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47 files changed, 10217 insertions, 0 deletions
diff --git a/Documentation/video4linux/cx18.txt b/Documentation/video4linux/cx18.txt new file mode 100644 index 0000000..077d56e --- /dev/null +++ b/Documentation/video4linux/cx18.txt @@ -0,0 +1,34 @@ +Some notes regarding the cx18 driver for the Conexant CX23418 MPEG +encoder chip: + +1) The only hardware currently supported is the Hauppauge HVR-1600. + +2) Some people have problems getting the i2c bus to work. Cause unknown. + The symptom is that the eeprom cannot be read and the card is + unusable. + +3) The audio from the analog tuner is mono only. Probably caused by + incorrect audio register information in the datasheet. We are + waiting for updated information from Conexant. + +4) VBI (raw or sliced) has not yet been implemented. + +5) MPEG indexing is not yet implemented. + +6) The driver is still a bit rough around the edges, this should + improve over time. + + +Firmware: + +The firmware needs to be extracted from the Windows Hauppauge HVR-1600 +driver, available here: + +http://hauppauge.lightpath.net/software/install_cd/hauppauge_cd_3.4d1.zip + +Unzip, then copy the following files to the firmware directory +and rename them as follows: + +Drivers/Driver18/hcw18apu.rom -> v4l-cx23418-apu.fw +Drivers/Driver18/hcw18enc.rom -> v4l-cx23418-cpu.fw +Drivers/Driver18/hcw18mlC.rom -> v4l-cx23418-dig.fw diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 7dda5d5..fe743aa 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -748,6 +748,8 @@ source "drivers/media/video/au0828/Kconfig" source "drivers/media/video/ivtv/Kconfig" +source "drivers/media/video/cx18/Kconfig" + config VIDEO_M32R_AR tristate "AR devices" depends on M32R && VIDEO_V4L1 diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 560dc32..a352c6e 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -124,6 +124,7 @@ obj-$(CONFIG_USB_VICAM) += usbvideo/ obj-$(CONFIG_USB_QUICKCAM_MESSENGER) += usbvideo/ obj-$(CONFIG_VIDEO_IVTV) += ivtv/ +obj-$(CONFIG_VIDEO_CX18) += cx18/ obj-$(CONFIG_VIDEO_VIVI) += vivi.o obj-$(CONFIG_VIDEO_CX23885) += cx23885/ diff --git a/drivers/media/video/cx18/Kconfig b/drivers/media/video/cx18/Kconfig new file mode 100644 index 0000000..be654a2 --- /dev/null +++ b/drivers/media/video/cx18/Kconfig @@ -0,0 +1,20 @@ +config VIDEO_CX18 + tristate "Conexant cx23418 MPEG encoder support" + depends on VIDEO_V4L2 && DVB_CORE && PCI && I2C && EXPERIMENTAL + select I2C_ALGOBIT + select FW_LOADER + select VIDEO_IR + select VIDEO_TUNER + select VIDEO_TVEEPROM + select VIDEO_CX2341X + select VIDEO_CS5345 + select DVB_S5H1409 + ---help--- + This is a video4linux driver for Conexant cx23418 based + PCI combo video recorder devices. + + This is used in devices such as the Hauppauge HVR-1600 + cards. + + To compile this driver as a module, choose M here: the + module will be called cx18. diff --git a/drivers/media/video/cx18/Makefile b/drivers/media/video/cx18/Makefile new file mode 100644 index 0000000..b23d2e2 --- /dev/null +++ b/drivers/media/video/cx18/Makefile @@ -0,0 +1,11 @@ +cx18-objs := cx18-driver.o cx18-cards.o cx18-i2c.o cx18-firmware.o cx18-gpio.o \ + cx18-queue.o cx18-streams.o cx18-fileops.o cx18-ioctl.o cx18-controls.o \ + cx18-mailbox.o cx18-vbi.o cx18-audio.o cx18-video.o cx18-irq.o \ + cx18-av-core.o cx18-av-audio.o cx18-av-firmware.o cx18-av-vbi.o cx18-scb.o \ + cx18-dvb.o + +obj-$(CONFIG_VIDEO_CX18) += cx18.o + +EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core +EXTRA_CFLAGS += -Idrivers/media/dvb/frontends +EXTRA_CFLAGS += -Idrivers/media/common/tuners diff --git a/drivers/media/video/cx18/cx18-audio.c b/drivers/media/video/cx18/cx18-audio.c new file mode 100644 index 0000000..1adc404 --- /dev/null +++ b/drivers/media/video/cx18/cx18-audio.c @@ -0,0 +1,73 @@ +/* + * cx18 audio-related functions + * + * Derived from ivtv-audio.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-i2c.h" +#include "cx18-cards.h" +#include "cx18-audio.h" + +/* Selects the audio input and output according to the current + settings. */ +int cx18_audio_set_io(struct cx18 *cx) +{ + struct v4l2_routing route; + u32 audio_input; + int mux_input; + + /* Determine which input to use */ + if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) { + audio_input = cx->card->radio_input.audio_input; + mux_input = cx->card->radio_input.muxer_input; + } else { + audio_input = + cx->card->audio_inputs[cx->audio_input].audio_input; + mux_input = + cx->card->audio_inputs[cx->audio_input].muxer_input; + } + + /* handle muxer chips */ + route.input = mux_input; + route.output = 0; + cx18_i2c_hw(cx, cx->card->hw_muxer, VIDIOC_INT_S_AUDIO_ROUTING, &route); + + route.input = audio_input; + return cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, + VIDIOC_INT_S_AUDIO_ROUTING, &route); +} + +void cx18_audio_set_route(struct cx18 *cx, struct v4l2_routing *route) +{ + cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, + VIDIOC_INT_S_AUDIO_ROUTING, route); +} + +void cx18_audio_set_audio_clock_freq(struct cx18 *cx, u8 freq) +{ + static u32 freqs[3] = { 44100, 48000, 32000 }; + + /* The audio clock of the digitizer must match the codec sample + rate otherwise you get some very strange effects. */ + if (freq > 2) + return; + cx18_call_i2c_clients(cx, VIDIOC_INT_AUDIO_CLOCK_FREQ, &freqs[freq]); +} diff --git a/drivers/media/video/cx18/cx18-audio.h b/drivers/media/video/cx18/cx18-audio.h new file mode 100644 index 0000000..cb569a6 --- /dev/null +++ b/drivers/media/video/cx18/cx18-audio.h @@ -0,0 +1,26 @@ +/* + * cx18 audio-related functions + * + * Derived from ivtv-audio.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +int cx18_audio_set_io(struct cx18 *cx); +void cx18_audio_set_route(struct cx18 *cx, struct v4l2_routing *route); +void cx18_audio_set_audio_clock_freq(struct cx18 *cx, u8 freq); diff --git a/drivers/media/video/cx18/cx18-av-audio.c b/drivers/media/video/cx18/cx18-av-audio.c new file mode 100644 index 0000000..2dc3a5d --- /dev/null +++ b/drivers/media/video/cx18/cx18-av-audio.c @@ -0,0 +1,361 @@ +/* + * cx18 ADEC audio functions + * + * Derived from cx25840-audio.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include "cx18-driver.h" + +static int set_audclk_freq(struct cx18 *cx, u32 freq) +{ + struct cx18_av_state *state = &cx->av_state; + + if (freq != 32000 && freq != 44100 && freq != 48000) + return -EINVAL; + + /* common for all inputs and rates */ + /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x10 */ + cx18_av_write(cx, 0x127, 0x50); + + if (state->aud_input != CX18_AV_AUDIO_SERIAL) { + switch (freq) { + case 32000: + /* VID_PLL and AUX_PLL */ + cx18_av_write4(cx, 0x108, 0x1006040f); + + /* AUX_PLL_FRAC */ + cx18_av_write4(cx, 0x110, 0x01bb39ee); + + /* src3/4/6_ctl = 0x0801f77f */ + cx18_av_write4(cx, 0x900, 0x0801f77f); + cx18_av_write4(cx, 0x904, 0x0801f77f); + cx18_av_write4(cx, 0x90c, 0x0801f77f); + break; + + case 44100: + /* VID_PLL and AUX_PLL */ + cx18_av_write4(cx, 0x108, 0x1009040f); + + /* AUX_PLL_FRAC */ + cx18_av_write4(cx, 0x110, 0x00ec6bd6); + + /* src3/4/6_ctl = 0x08016d59 */ + cx18_av_write4(cx, 0x900, 0x08016d59); + cx18_av_write4(cx, 0x904, 0x08016d59); + cx18_av_write4(cx, 0x90c, 0x08016d59); + break; + + case 48000: + /* VID_PLL and AUX_PLL */ + cx18_av_write4(cx, 0x108, 0x100a040f); + + /* AUX_PLL_FRAC */ + cx18_av_write4(cx, 0x110, 0x0098d6e5); + + /* src3/4/6_ctl = 0x08014faa */ + cx18_av_write4(cx, 0x900, 0x08014faa); + cx18_av_write4(cx, 0x904, 0x08014faa); + cx18_av_write4(cx, 0x90c, 0x08014faa); + break; + } + } else { + switch (freq) { + case 32000: + /* VID_PLL and AUX_PLL */ + cx18_av_write4(cx, 0x108, 0x1e08040f); + + /* AUX_PLL_FRAC */ + cx18_av_write4(cx, 0x110, 0x012a0869); + + /* src1_ctl = 0x08010000 */ + cx18_av_write4(cx, 0x8f8, 0x08010000); + + /* src3/4/6_ctl = 0x08020000 */ + cx18_av_write4(cx, 0x900, 0x08020000); + cx18_av_write4(cx, 0x904, 0x08020000); + cx18_av_write4(cx, 0x90c, 0x08020000); + + /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x14 */ + cx18_av_write(cx, 0x127, 0x54); + break; + + case 44100: + /* VID_PLL and AUX_PLL */ + cx18_av_write4(cx, 0x108, 0x1809040f); + + /* AUX_PLL_FRAC */ + cx18_av_write4(cx, 0x110, 0x00ec6bd6); + + /* src1_ctl = 0x08010000 */ + cx18_av_write4(cx, 0x8f8, 0x080160cd); + + /* src3/4/6_ctl = 0x08020000 */ + cx18_av_write4(cx, 0x900, 0x08017385); + cx18_av_write4(cx, 0x904, 0x08017385); + cx18_av_write4(cx, 0x90c, 0x08017385); + break; + + case 48000: + /* VID_PLL and AUX_PLL */ + cx18_av_write4(cx, 0x108, 0x180a040f); + + /* AUX_PLL_FRAC */ + cx18_av_write4(cx, 0x110, 0x0098d6e5); + + /* src1_ctl = 0x08010000 */ + cx18_av_write4(cx, 0x8f8, 0x08018000); + + /* src3/4/6_ctl = 0x08020000 */ + cx18_av_write4(cx, 0x900, 0x08015555); + cx18_av_write4(cx, 0x904, 0x08015555); + cx18_av_write4(cx, 0x90c, 0x08015555); + break; + } + } + + state->audclk_freq = freq; + + return 0; +} + +void cx18_av_audio_set_path(struct cx18 *cx) +{ + struct cx18_av_state *state = &cx->av_state; + + /* stop microcontroller */ + cx18_av_and_or(cx, 0x803, ~0x10, 0); + + /* assert soft reset */ + cx18_av_and_or(cx, 0x810, ~0x1, 0x01); + + /* Mute everything to prevent the PFFT! */ + cx18_av_write(cx, 0x8d3, 0x1f); + + if (state->aud_input == CX18_AV_AUDIO_SERIAL) { + /* Set Path1 to Serial Audio Input */ + cx18_av_write4(cx, 0x8d0, 0x01011012); + + /* The microcontroller should not be started for the + * non-tuner inputs: autodetection is specific for + * TV audio. */ + } else { + /* Set Path1 to Analog Demod Main Channel */ + cx18_av_write4(cx, 0x8d0, 0x1f063870); + } + + set_audclk_freq(cx, state->audclk_freq); + + /* deassert soft reset */ + cx18_av_and_or(cx, 0x810, ~0x1, 0x00); + + if (state->aud_input != CX18_AV_AUDIO_SERIAL) { + /* When the microcontroller detects the + * audio format, it will unmute the lines */ + cx18_av_and_or(cx, 0x803, ~0x10, 0x10); + } +} + +static int get_volume(struct cx18 *cx) +{ + /* Volume runs +18dB to -96dB in 1/2dB steps + * change to fit the msp3400 -114dB to +12dB range */ + + /* check PATH1_VOLUME */ + int vol = 228 - cx18_av_read(cx, 0x8d4); + vol = (vol / 2) + 23; + return vol << 9; +} + +static void set_volume(struct cx18 *cx, int volume) +{ + /* First convert the volume to msp3400 values (0-127) */ + int vol = volume >> 9; + /* now scale it up to cx18_av values + * -114dB to -96dB maps to 0 + * this should be 19, but in my testing that was 4dB too loud */ + if (vol <= 23) + vol = 0; + else + vol -= 23; + + /* PATH1_VOLUME */ + cx18_av_write(cx, 0x8d4, 228 - (vol * 2)); +} + +static int get_bass(struct cx18 *cx) +{ + /* bass is 49 steps +12dB to -12dB */ + + /* check PATH1_EQ_BASS_VOL */ + int bass = cx18_av_read(cx, 0x8d9) & 0x3f; + bass = (((48 - bass) * 0xffff) + 47) / 48; + return bass; +} + +static void set_bass(struct cx18 *cx, int bass) +{ + /* PATH1_EQ_BASS_VOL */ + cx18_av_and_or(cx, 0x8d9, ~0x3f, 48 - (bass * 48 / 0xffff)); +} + +static int get_treble(struct cx18 *cx) +{ + /* treble is 49 steps +12dB to -12dB */ + + /* check PATH1_EQ_TREBLE_VOL */ + int treble = cx18_av_read(cx, 0x8db) & 0x3f; + treble = (((48 - treble) * 0xffff) + 47) / 48; + return treble; +} + +static void set_treble(struct cx18 *cx, int treble) +{ + /* PATH1_EQ_TREBLE_VOL */ + cx18_av_and_or(cx, 0x8db, ~0x3f, 48 - (treble * 48 / 0xffff)); +} + +static int get_balance(struct cx18 *cx) +{ + /* balance is 7 bit, 0 to -96dB */ + + /* check PATH1_BAL_LEVEL */ + int balance = cx18_av_read(cx, 0x8d5) & 0x7f; + /* check PATH1_BAL_LEFT */ + if ((cx18_av_read(cx, 0x8d5) & 0x80) == 0) + balance = 0x80 - balance; + else + balance = 0x80 + balance; + return balance << 8; +} + +static void set_balance(struct cx18 *cx, int balance) +{ + int bal = balance >> 8; + if (bal > 0x80) { + /* PATH1_BAL_LEFT */ + cx18_av_and_or(cx, 0x8d5, 0x7f, 0x80); + /* PATH1_BAL_LEVEL */ + cx18_av_and_or(cx, 0x8d5, ~0x7f, bal & 0x7f); + } else { + /* PATH1_BAL_LEFT */ + cx18_av_and_or(cx, 0x8d5, 0x7f, 0x00); + /* PATH1_BAL_LEVEL */ + cx18_av_and_or(cx, 0x8d5, ~0x7f, 0x80 - bal); + } +} + +static int get_mute(struct cx18 *cx) +{ + /* check SRC1_MUTE_EN */ + return cx18_av_read(cx, 0x8d3) & 0x2 ? 1 : 0; +} + +static void set_mute(struct cx18 *cx, int mute) +{ + struct cx18_av_state *state = &cx->av_state; + + if (state->aud_input != CX18_AV_AUDIO_SERIAL) { + /* Must turn off microcontroller in order to mute sound. + * Not sure if this is the best method, but it does work. + * If the microcontroller is running, then it will undo any + * changes to the mute register. */ + if (mute) { + /* disable microcontroller */ + cx18_av_and_or(cx, 0x803, ~0x10, 0x00); + cx18_av_write(cx, 0x8d3, 0x1f); + } else { + /* enable microcontroller */ + cx18_av_and_or(cx, 0x803, ~0x10, 0x10); + } + } else { + /* SRC1_MUTE_EN */ + cx18_av_and_or(cx, 0x8d3, ~0x2, mute ? 0x02 : 0x00); + } +} + +int cx18_av_audio(struct cx18 *cx, unsigned int cmd, void *arg) +{ + struct cx18_av_state *state = &cx->av_state; + struct v4l2_control *ctrl = arg; + int retval; + + switch (cmd) { + case VIDIOC_INT_AUDIO_CLOCK_FREQ: + if (state->aud_input != CX18_AV_AUDIO_SERIAL) { + cx18_av_and_or(cx, 0x803, ~0x10, 0); + cx18_av_write(cx, 0x8d3, 0x1f); + } + cx18_av_and_or(cx, 0x810, ~0x1, 1); + retval = set_audclk_freq(cx, *(u32 *)arg); + cx18_av_and_or(cx, 0x810, ~0x1, 0); + if (state->aud_input != CX18_AV_AUDIO_SERIAL) + cx18_av_and_or(cx, 0x803, ~0x10, 0x10); + return retval; + + case VIDIOC_G_CTRL: + switch (ctrl->id) { + case V4L2_CID_AUDIO_VOLUME: + ctrl->value = get_volume(cx); + break; + case V4L2_CID_AUDIO_BASS: + ctrl->value = get_bass(cx); + break; + case V4L2_CID_AUDIO_TREBLE: + ctrl->value = get_treble(cx); + break; + case V4L2_CID_AUDIO_BALANCE: + ctrl->value = get_balance(cx); + break; + case V4L2_CID_AUDIO_MUTE: + ctrl->value = get_mute(cx); + break; + default: + return -EINVAL; + } + break; + + case VIDIOC_S_CTRL: + switch (ctrl->id) { + case V4L2_CID_AUDIO_VOLUME: + set_volume(cx, ctrl->value); + break; + case V4L2_CID_AUDIO_BASS: + set_bass(cx, ctrl->value); + break; + case V4L2_CID_AUDIO_TREBLE: + set_treble(cx, ctrl->value); + break; + case V4L2_CID_AUDIO_BALANCE: + set_balance(cx, ctrl->value); + break; + case V4L2_CID_AUDIO_MUTE: + set_mute(cx, ctrl->value); + break; + default: + return -EINVAL; + } + break; + + default: + return -EINVAL; + } + + return 0; +} diff --git a/drivers/media/video/cx18/cx18-av-core.c b/drivers/media/video/cx18/cx18-av-core.c new file mode 100644 index 0000000..6686490 --- /dev/null +++ b/drivers/media/video/cx18/cx18-av-core.c @@ -0,0 +1,879 @@ +/* + * cx18 ADEC audio functions + * + * Derived from cx25840-core.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include "cx18-driver.h" + +int cx18_av_write(struct cx18 *cx, u16 addr, u8 value) +{ + u32 x = readl(cx->reg_mem + 0xc40000 + (addr & ~3)); + u32 mask = 0xff; + int shift = (addr & 3) * 8; + + x = (x & ~(mask << shift)) | ((u32)value << shift); + writel(x, cx->reg_mem + 0xc40000 + (addr & ~3)); + return 0; +} + +int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value) +{ + writel(value, cx->reg_mem + 0xc40000 + addr); + return 0; +} + +u8 cx18_av_read(struct cx18 *cx, u16 addr) +{ + u32 x = readl(cx->reg_mem + 0xc40000 + (addr & ~3)); + int shift = (addr & 3) * 8; + + return (x >> shift) & 0xff; +} + +u32 cx18_av_read4(struct cx18 *cx, u16 addr) +{ + return readl(cx->reg_mem + 0xc40000 + addr); +} + +int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask, + u8 or_value) +{ + return cx18_av_write(cx, addr, + (cx18_av_read(cx, addr) & and_mask) | + or_value); +} + +int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 and_mask, + u32 or_value) +{ + return cx18_av_write4(cx, addr, + (cx18_av_read4(cx, addr) & and_mask) | + or_value); +} + +/* ----------------------------------------------------------------------- */ + +static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input, + enum cx18_av_audio_input aud_input); +static void log_audio_status(struct cx18 *cx); +static void log_video_status(struct cx18 *cx); + +/* ----------------------------------------------------------------------- */ + +static void cx18_av_initialize(struct cx18 *cx) +{ + u32 v; + + cx18_av_loadfw(cx); + /* Stop 8051 code execution */ + cx18_av_write4(cx, CXADEC_DL_CTL, 0x03000000); + + /* initallize the PLL by toggling sleep bit */ + v = cx18_av_read4(cx, CXADEC_HOST_REG1); + /* enable sleep mode */ + cx18_av_write4(cx, CXADEC_HOST_REG1, v | 1); + /* disable sleep mode */ + cx18_av_write4(cx, CXADEC_HOST_REG1, v & 0xfffe); + + /* initialize DLLs */ + v = cx18_av_read4(cx, CXADEC_DLL1_DIAG_CTRL) & 0xE1FFFEFF; + /* disable FLD */ + cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v); + /* enable FLD */ + cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v | 0x10000100); + + v = cx18_av_read4(cx, CXADEC_DLL2_DIAG_CTRL) & 0xE1FFFEFF; + /* disable FLD */ + cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v); + /* enable FLD */ + cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v | 0x06000100); + + /* set analog bias currents. Set Vreg to 1.20V. */ + cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL1, 0x000A1802); + + v = cx18_av_read4(cx, CXADEC_AFE_DIAG_CTRL3) | 1; + /* enable TUNE_FIL_RST */ + cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL3, v); + /* disable TUNE_FIL_RST */ + cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL3, v & 0xFFFFFFFE); + + /* enable 656 output */ + cx18_av_and_or4(cx, CXADEC_PIN_CTRL1, ~0, 0x040C00); + + /* video output drive strength */ + cx18_av_and_or4(cx, CXADEC_PIN_CTRL2, ~0, 0x2); + + /* reset video */ + cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0x8000); + cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0); + + /* set video to auto-detect */ + /* Clear bits 11-12 to enable slow locking mode. Set autodetect mode */ + /* set the comb notch = 1 */ + cx18_av_and_or4(cx, CXADEC_MODE_CTRL, 0xFFF7E7F0, 0x02040800); + + /* Enable wtw_en in CRUSH_CTRL (Set bit 22) */ + /* Enable maj_sel in CRUSH_CTRL (Set bit 20) */ + cx18_av_and_or4(cx, CXADEC_CRUSH_CTRL, ~0, 0x00500000); + + /* Set VGA_TRACK_RANGE to 0x20 */ + cx18_av_and_or4(cx, CXADEC_DFE_CTRL2, 0xFFFF00FF, 0x00002000); + + /* Enable VBI capture */ + cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4010253F); + /* cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4010253E); */ + + /* Set the video input. + The setting in MODE_CTRL gets lost when we do the above setup */ + /* EncSetSignalStd(dwDevNum, pEnc->dwSigStd); */ + /* EncSetVideoInput(dwDevNum, pEnc->VidIndSelection); */ + + v = cx18_av_read4(cx, CXADEC_AFE_CTRL); + v &= 0xFFFBFFFF; /* turn OFF bit 18 for droop_comp_ch1 */ + v &= 0xFFFF7FFF; /* turn OFF bit 9 for clamp_sel_ch1 */ + v &= 0xFFFFFFFE; /* turn OFF bit 0 for 12db_ch1 */ + /* v |= 0x00000001;*/ /* turn ON bit 0 for 12db_ch1 */ + cx18_av_write4(cx, CXADEC_AFE_CTRL, v); + +/* if(dwEnable && dw3DCombAvailable) { */ +/* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x7728021F); */ +/* } else { */ +/* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x6628021F); */ +/* } */ + cx18_av_write4(cx, CXADEC_SRC_COMB_CFG, 0x6628021F); +} + +/* ----------------------------------------------------------------------- */ + +static void input_change(struct cx18 *cx) +{ + struct cx18_av_state *state = &cx->av_state; + v4l2_std_id std = state->std; + + /* Follow step 8c and 8d of section 3.16 in the cx18_av datasheet */ + if (std & V4L2_STD_SECAM) + cx18_av_write(cx, 0x402, 0); + else { + cx18_av_write(cx, 0x402, 0x04); + cx18_av_write(cx, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11); + } + cx18_av_and_or(cx, 0x401, ~0x60, 0); + cx18_av_and_or(cx, 0x401, ~0x60, 0x60); + + if (std & V4L2_STD_525_60) { + if (std == V4L2_STD_NTSC_M_JP) { + /* Japan uses EIAJ audio standard */ + cx18_av_write(cx, 0x808, 0xf7); + } else if (std == V4L2_STD_NTSC_M_KR) { + /* South Korea uses A2 audio standard */ + cx18_av_write(cx, 0x808, 0xf8); + } else { + /* Others use the BTSC audio standard */ + cx18_av_write(cx, 0x808, 0xf6); + } + cx18_av_write(cx, 0x80b, 0x00); + } else if (std & V4L2_STD_PAL) { + /* Follow tuner change procedure for PAL */ + cx18_av_write(cx, 0x808, 0xff); + cx18_av_write(cx, 0x80b, 0x03); + } else if (std & V4L2_STD_SECAM) { + /* Select autodetect for SECAM */ + cx18_av_write(cx, 0x808, 0xff); + cx18_av_write(cx, 0x80b, 0x03); + } + + if (cx18_av_read(cx, 0x803) & 0x10) { + /* restart audio decoder microcontroller */ + cx18_av_and_or(cx, 0x803, ~0x10, 0x00); + cx18_av_and_or(cx, 0x803, ~0x10, 0x10); + } +} + +static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input, + enum cx18_av_audio_input aud_input) +{ + struct cx18_av_state *state = &cx->av_state; + u8 is_composite = (vid_input >= CX18_AV_COMPOSITE1 && + vid_input <= CX18_AV_COMPOSITE8); + u8 reg; + + CX18_DEBUG_INFO("decoder set video input %d, audio input %d\n", + vid_input, aud_input); + + if (is_composite) { + reg = 0xf0 + (vid_input - CX18_AV_COMPOSITE1); + } else { + int luma = vid_input & 0xf0; + int chroma = vid_input & 0xf00; + + if ((vid_input & ~0xff0) || + luma < CX18_AV_SVIDEO_LUMA1 || + luma > CX18_AV_SVIDEO_LUMA4 || + chroma < CX18_AV_SVIDEO_CHROMA4 || + chroma > CX18_AV_SVIDEO_CHROMA8) { + CX18_ERR("0x%04x is not a valid video input!\n", + vid_input); + return -EINVAL; + } + reg = 0xf0 + ((luma - CX18_AV_SVIDEO_LUMA1) >> 4); + if (chroma >= CX18_AV_SVIDEO_CHROMA7) { + reg &= 0x3f; + reg |= (chroma - CX18_AV_SVIDEO_CHROMA7) >> 2; + } else { + reg &= 0xcf; + reg |= (chroma - CX18_AV_SVIDEO_CHROMA4) >> 4; + } + } + + switch (aud_input) { + case CX18_AV_AUDIO_SERIAL: + /* do nothing, use serial audio input */ + break; + case CX18_AV_AUDIO4: reg &= ~0x30; break; + case CX18_AV_AUDIO5: reg &= ~0x30; reg |= 0x10; break; + case CX18_AV_AUDIO6: reg &= ~0x30; reg |= 0x20; break; + case CX18_AV_AUDIO7: reg &= ~0xc0; break; + case CX18_AV_AUDIO8: reg &= ~0xc0; reg |= 0x40; break; + + default: + CX18_ERR("0x%04x is not a valid audio input!\n", aud_input); + return -EINVAL; + } + + cx18_av_write(cx, 0x103, reg); + /* Set INPUT_MODE to Composite (0) or S-Video (1) */ + cx18_av_and_or(cx, 0x401, ~0x6, is_composite ? 0 : 0x02); + /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */ + cx18_av_and_or(cx, 0x102, ~0x2, (reg & 0x80) == 0 ? 2 : 0); + /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */ + if ((reg & 0xc0) != 0xc0 && (reg & 0x30) != 0x30) + cx18_av_and_or(cx, 0x102, ~0x4, 4); + else + cx18_av_and_or(cx, 0x102, ~0x4, 0); + /*cx18_av_and_or4(cx, 0x104, ~0x001b4180, 0x00004180);*/ + + state->vid_input = vid_input; + state->aud_input = aud_input; + cx18_av_audio_set_path(cx); + input_change(cx); + return 0; +} + +/* ----------------------------------------------------------------------- */ + +static int set_v4lstd(struct cx18 *cx) +{ + struct cx18_av_state *state = &cx->av_state; + u8 fmt = 0; /* zero is autodetect */ + u8 pal_m = 0; + + /* First tests should be against specific std */ + if (state->std == V4L2_STD_NTSC_M_JP) { + fmt = 0x2; + } else if (state->std == V4L2_STD_NTSC_443) { + fmt = 0x3; + } else if (state->std == V4L2_STD_PAL_M) { + pal_m = 1; + fmt = 0x5; + } else if (state->std == V4L2_STD_PAL_N) { + fmt = 0x6; + } else if (state->std == V4L2_STD_PAL_Nc) { + fmt = 0x7; + } else if (state->std == V4L2_STD_PAL_60) { + fmt = 0x8; + } else { + /* Then, test against generic ones */ + if (state->std & V4L2_STD_NTSC) + fmt = 0x1; + else if (state->std & V4L2_STD_PAL) + fmt = 0x4; + else if (state->std & V4L2_STD_SECAM) + fmt = 0xc; + } + + CX18_DEBUG_INFO("changing video std to fmt %i\n", fmt); + + /* Follow step 9 of section 3.16 in the cx18_av datasheet. + Without this PAL may display a vertical ghosting effect. + This happens for example with the Yuan MPC622. */ + if (fmt >= 4 && fmt < 8) { + /* Set format to NTSC-M */ + cx18_av_and_or(cx, 0x400, ~0xf, 1); + /* Turn off LCOMB */ + cx18_av_and_or(cx, 0x47b, ~6, 0); + } + cx18_av_and_or(cx, 0x400, ~0xf, fmt); + cx18_av_and_or(cx, 0x403, ~0x3, pal_m); + cx18_av_vbi_setup(cx); + input_change(cx); + return 0; +} + +/* ----------------------------------------------------------------------- */ + +static int set_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl) +{ + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + if (ctrl->value < 0 || ctrl->value > 255) { + CX18_ERR("invalid brightness setting %d\n", + ctrl->value); + return -ERANGE; + } + + cx18_av_write(cx, 0x414, ctrl->value - 128); + break; + + case V4L2_CID_CONTRAST: + if (ctrl->value < 0 || ctrl->value > 127) { + CX18_ERR("invalid contrast setting %d\n", + ctrl->value); + return -ERANGE; + } + + cx18_av_write(cx, 0x415, ctrl->value << 1); + break; + + case V4L2_CID_SATURATION: + if (ctrl->value < 0 || ctrl->value > 127) { + CX18_ERR("invalid saturation setting %d\n", + ctrl->value); + return -ERANGE; + } + + cx18_av_write(cx, 0x420, ctrl->value << 1); + cx18_av_write(cx, 0x421, ctrl->value << 1); + break; + + case V4L2_CID_HUE: + if (ctrl->value < -127 || ctrl->value > 127) { + CX18_ERR("invalid hue setting %d\n", ctrl->value); + return -ERANGE; + } + + cx18_av_write(cx, 0x422, ctrl->value); + break; + + case V4L2_CID_AUDIO_VOLUME: + case V4L2_CID_AUDIO_BASS: + case V4L2_CID_AUDIO_TREBLE: + case V4L2_CID_AUDIO_BALANCE: + case V4L2_CID_AUDIO_MUTE: + return cx18_av_audio(cx, VIDIOC_S_CTRL, ctrl); + + default: + return -EINVAL; + } + + return 0; +} + +static int get_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl) +{ + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + ctrl->value = (s8)cx18_av_read(cx, 0x414) + 128; + break; + case V4L2_CID_CONTRAST: + ctrl->value = cx18_av_read(cx, 0x415) >> 1; + break; + case V4L2_CID_SATURATION: + ctrl->value = cx18_av_read(cx, 0x420) >> 1; + break; + case V4L2_CID_HUE: + ctrl->value = (s8)cx18_av_read(cx, 0x422); + break; + case V4L2_CID_AUDIO_VOLUME: + case V4L2_CID_AUDIO_BASS: + case V4L2_CID_AUDIO_TREBLE: + case V4L2_CID_AUDIO_BALANCE: + case V4L2_CID_AUDIO_MUTE: + return cx18_av_audio(cx, VIDIOC_G_CTRL, ctrl); + default: + return -EINVAL; + } + + return 0; +} + +/* ----------------------------------------------------------------------- */ + +static int get_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt) +{ + switch (fmt->type) { + case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: + return cx18_av_vbi(cx, VIDIOC_G_FMT, fmt); + default: + return -EINVAL; + } + + return 0; +} + +static int set_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt) +{ + struct cx18_av_state *state = &cx->av_state; + struct v4l2_pix_format *pix; + int HSC, VSC, Vsrc, Hsrc, filter, Vlines; + int is_50Hz = !(state->std & V4L2_STD_525_60); + + switch (fmt->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + pix = &(fmt->fmt.pix); + + Vsrc = (cx18_av_read(cx, 0x476) & 0x3f) << 4; + Vsrc |= (cx18_av_read(cx, 0x475) & 0xf0) >> 4; + + Hsrc = (cx18_av_read(cx, 0x472) & 0x3f) << 4; + Hsrc |= (cx18_av_read(cx, 0x471) & 0xf0) >> 4; + + Vlines = pix->height + (is_50Hz ? 4 : 7); + + if ((pix->width * 16 < Hsrc) || (Hsrc < pix->width) || + (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) { + CX18_ERR("%dx%d is not a valid size!\n", + pix->width, pix->height); + return -ERANGE; + } + + HSC = (Hsrc * (1 << 20)) / pix->width - (1 << 20); + VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9)); + VSC &= 0x1fff; + + if (pix->width >= 385) + filter = 0; + else if (pix->width > 192) + filter = 1; + else if (pix->width > 96) + filter = 2; + else + filter = 3; + + CX18_DEBUG_INFO("decoder set size %dx%d -> scale %ux%u\n", + pix->width, pix->height, HSC, VSC); + + /* HSCALE=HSC */ + cx18_av_write(cx, 0x418, HSC & 0xff); + cx18_av_write(cx, 0x419, (HSC >> 8) & 0xff); + cx18_av_write(cx, 0x41a, HSC >> 16); + /* VSCALE=VSC */ + cx18_av_write(cx, 0x41c, VSC & 0xff); + cx18_av_write(cx, 0x41d, VSC >> 8); + /* VS_INTRLACE=1 VFILT=filter */ + cx18_av_write(cx, 0x41e, 0x8 | filter); + break; + + case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: + return cx18_av_vbi(cx, VIDIOC_S_FMT, fmt); + + case V4L2_BUF_TYPE_VBI_CAPTURE: + return cx18_av_vbi(cx, VIDIOC_S_FMT, fmt); + + default: + return -EINVAL; + } + + return 0; +} + +/* ----------------------------------------------------------------------- */ + +int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg) +{ + struct cx18_av_state *state = &cx->av_state; + struct v4l2_tuner *vt = arg; + struct v4l2_routing *route = arg; + + /* ignore these commands */ + switch (cmd) { + case TUNER_SET_TYPE_ADDR: + return 0; + } + + if (!state->is_initialized) { + CX18_DEBUG_INFO("cmd %08x triggered fw load\n", cmd); + /* initialize on first use */ + state->is_initialized = 1; + cx18_av_initialize(cx); + } + + switch (cmd) { + case VIDIOC_INT_DECODE_VBI_LINE: + return cx18_av_vbi(cx, cmd, arg); + + case VIDIOC_INT_AUDIO_CLOCK_FREQ: + return cx18_av_audio(cx, cmd, arg); + + case VIDIOC_STREAMON: + CX18_DEBUG_INFO("enable output\n"); + cx18_av_write(cx, 0x115, 0x8c); + cx18_av_write(cx, 0x116, 0x07); + break; + + case VIDIOC_STREAMOFF: + CX18_DEBUG_INFO("disable output\n"); + cx18_av_write(cx, 0x115, 0x00); + cx18_av_write(cx, 0x116, 0x00); + break; + + case VIDIOC_LOG_STATUS: + log_video_status(cx); + log_audio_status(cx); + break; + + case VIDIOC_G_CTRL: + return get_v4lctrl(cx, (struct v4l2_control *)arg); + + case VIDIOC_S_CTRL: + return set_v4lctrl(cx, (struct v4l2_control *)arg); + + case VIDIOC_QUERYCTRL: + { + struct v4l2_queryctrl *qc = arg; + + switch (qc->id) { + case V4L2_CID_BRIGHTNESS: + case V4L2_CID_CONTRAST: + case V4L2_CID_SATURATION: + case V4L2_CID_HUE: + return v4l2_ctrl_query_fill_std(qc); + default: + break; + } + + switch (qc->id) { + case V4L2_CID_AUDIO_VOLUME: + case V4L2_CID_AUDIO_MUTE: + case V4L2_CID_AUDIO_BALANCE: + case V4L2_CID_AUDIO_BASS: + case V4L2_CID_AUDIO_TREBLE: + return v4l2_ctrl_query_fill_std(qc); + default: + return -EINVAL; + } + return -EINVAL; + } + + case VIDIOC_G_STD: + *(v4l2_std_id *)arg = state->std; + break; + + case VIDIOC_S_STD: + if (state->radio == 0 && state->std == *(v4l2_std_id *)arg) + return 0; + state->radio = 0; + state->std = *(v4l2_std_id *)arg; + return set_v4lstd(cx); + + case AUDC_SET_RADIO: + state->radio = 1; + break; + + case VIDIOC_INT_G_VIDEO_ROUTING: + route->input = state->vid_input; + route->output = 0; + break; + + case VIDIOC_INT_S_VIDEO_ROUTING: + return set_input(cx, route->input, state->aud_input); + + case VIDIOC_INT_G_AUDIO_ROUTING: + route->input = state->aud_input; + route->output = 0; + break; + + case VIDIOC_INT_S_AUDIO_ROUTING: + return set_input(cx, state->vid_input, route->input); + + case VIDIOC_S_FREQUENCY: + input_change(cx); + break; + + case VIDIOC_G_TUNER: + { + u8 vpres = cx18_av_read(cx, 0x40e) & 0x20; + u8 mode; + int val = 0; + + if (state->radio) + break; + + vt->signal = vpres ? 0xffff : 0x0; + + vt->capability |= + V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | + V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; + + mode = cx18_av_read(cx, 0x804); + + /* get rxsubchans and audmode */ + if ((mode & 0xf) == 1) + val |= V4L2_TUNER_SUB_STEREO; + else + val |= V4L2_TUNER_SUB_MONO; + + if (mode == 2 || mode == 4) + val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; + + if (mode & 0x10) + val |= V4L2_TUNER_SUB_SAP; + + vt->rxsubchans = val; + vt->audmode = state->audmode; + break; + } + + case VIDIOC_S_TUNER: + if (state->radio) + break; + + switch (vt->audmode) { + case V4L2_TUNER_MODE_MONO: + /* mono -> mono + stereo -> mono + bilingual -> lang1 */ + cx18_av_and_or(cx, 0x809, ~0xf, 0x00); + break; + case V4L2_TUNER_MODE_STEREO: + case V4L2_TUNER_MODE_LANG1: + /* mono -> mono + stereo -> stereo + bilingual -> lang1 */ + cx18_av_and_or(cx, 0x809, ~0xf, 0x04); + break; + case V4L2_TUNER_MODE_LANG1_LANG2: + /* mono -> mono + stereo -> stereo + bilingual -> lang1/lang2 */ + cx18_av_and_or(cx, 0x809, ~0xf, 0x07); + break; + case V4L2_TUNER_MODE_LANG2: + /* mono -> mono + stereo -> stereo + bilingual -> lang2 */ + cx18_av_and_or(cx, 0x809, ~0xf, 0x01); + break; + default: + return -EINVAL; + } + state->audmode = vt->audmode; + break; + + case VIDIOC_G_FMT: + return get_v4lfmt(cx, (struct v4l2_format *)arg); + + case VIDIOC_S_FMT: + return set_v4lfmt(cx, (struct v4l2_format *)arg); + + case VIDIOC_INT_RESET: + cx18_av_initialize(cx); + break; + + default: + return -EINVAL; + } + + return 0; +} + +/* ----------------------------------------------------------------------- */ + +/* ----------------------------------------------------------------------- */ + +static void log_video_status(struct cx18 *cx) +{ + static const char *const fmt_strs[] = { + "0x0", + "NTSC-M", "NTSC-J", "NTSC-4.43", + "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60", + "0x9", "0xA", "0xB", + "SECAM", + "0xD", "0xE", "0xF" + }; + + struct cx18_av_state *state = &cx->av_state; + u8 vidfmt_sel = cx18_av_read(cx, 0x400) & 0xf; + u8 gen_stat1 = cx18_av_read(cx, 0x40d); + u8 gen_stat2 = cx18_av_read(cx, 0x40e); + int vid_input = state->vid_input; + + CX18_INFO("Video signal: %spresent\n", + (gen_stat2 & 0x20) ? "" : "not "); + CX18_INFO("Detected format: %s\n", + fmt_strs[gen_stat1 & 0xf]); + + CX18_INFO("Specified standard: %s\n", + vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection"); + + if (vid_input >= CX18_AV_COMPOSITE1 && + vid_input <= CX18_AV_COMPOSITE8) { + CX18_INFO("Specified video input: Composite %d\n", + vid_input - CX18_AV_COMPOSITE1 + 1); + } else { + CX18_INFO("Specified video input: S-Video (Luma In%d, Chroma In%d)\n", + (vid_input & 0xf0) >> 4, (vid_input & 0xf00) >> 8); + } + + CX18_INFO("Specified audioclock freq: %d Hz\n", state->audclk_freq); +} + +/* ----------------------------------------------------------------------- */ + +static void log_audio_status(struct cx18 *cx) +{ + struct cx18_av_state *state = &cx->av_state; + u8 download_ctl = cx18_av_read(cx, 0x803); + u8 mod_det_stat0 = cx18_av_read(cx, 0x805); + u8 mod_det_stat1 = cx18_av_read(cx, 0x804); + u8 audio_config = cx18_av_read(cx, 0x808); + u8 pref_mode = cx18_av_read(cx, 0x809); + u8 afc0 = cx18_av_read(cx, 0x80b); + u8 mute_ctl = cx18_av_read(cx, 0x8d3); + int aud_input = state->aud_input; + char *p; + + switch (mod_det_stat0) { + case 0x00: p = "mono"; break; + case 0x01: p = "stereo"; break; + case 0x02: p = "dual"; break; + case 0x04: p = "tri"; break; + case 0x10: p = "mono with SAP"; break; + case 0x11: p = "stereo with SAP"; break; + case 0x12: p = "dual with SAP"; break; + case 0x14: p = "tri with SAP"; break; + case 0xfe: p = "forced mode"; break; + default: p = "not defined"; + } + CX18_INFO("Detected audio mode: %s\n", p); + + switch (mod_det_stat1) { + case 0x00: p = "BTSC"; break; + case 0x01: p = "EIAJ"; break; + case 0x02: p = "A2-M"; break; + case 0x03: p = "A2-BG"; break; + case 0x04: p = "A2-DK1"; break; + case 0x05: p = "A2-DK2"; break; + case 0x06: p = "A2-DK3"; break; + case 0x07: p = "A1 (6.0 MHz FM Mono)"; break; + case 0x08: p = "AM-L"; break; + case 0x09: p = "NICAM-BG"; break; + case 0x0a: p = "NICAM-DK"; break; + case 0x0b: p = "NICAM-I"; break; + case 0x0c: p = "NICAM-L"; break; + case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break; + case 0xff: p = "no detected audio standard"; break; + default: p = "not defined"; + } + CX18_INFO("Detected audio standard: %s\n", p); + CX18_INFO("Audio muted: %s\n", + (mute_ctl & 0x2) ? "yes" : "no"); + CX18_INFO("Audio microcontroller: %s\n", + (download_ctl & 0x10) ? "running" : "stopped"); + + switch (audio_config >> 4) { + case 0x00: p = "BTSC"; break; + case 0x01: p = "EIAJ"; break; + case 0x02: p = "A2-M"; break; + case 0x03: p = "A2-BG"; break; + case 0x04: p = "A2-DK1"; break; + case 0x05: p = "A2-DK2"; break; + case 0x06: p = "A2-DK3"; break; + case 0x07: p = "A1 (6.0 MHz FM Mono)"; break; + case 0x08: p = "AM-L"; break; + case 0x09: p = "NICAM-BG"; break; + case 0x0a: p = "NICAM-DK"; break; + case 0x0b: p = "NICAM-I"; break; + case 0x0c: p = "NICAM-L"; break; + case 0x0d: p = "FM radio"; break; + case 0x0f: p = "automatic detection"; break; + default: p = "undefined"; + } + CX18_INFO("Configured audio standard: %s\n", p); + + if ((audio_config >> 4) < 0xF) { + switch (audio_config & 0xF) { + case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break; + case 0x01: p = "MONO2 (LANGUAGE B)"; break; + case 0x02: p = "MONO3 (STEREO forced MONO)"; break; + case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break; + case 0x04: p = "STEREO"; break; + case 0x05: p = "DUAL1 (AB)"; break; + case 0x06: p = "DUAL2 (AC) (FM)"; break; + case 0x07: p = "DUAL3 (BC) (FM)"; break; + case 0x08: p = "DUAL4 (AC) (AM)"; break; + case 0x09: p = "DUAL5 (BC) (AM)"; break; + case 0x0a: p = "SAP"; break; + default: p = "undefined"; + } + CX18_INFO("Configured audio mode: %s\n", p); + } else { + switch (audio_config & 0xF) { + case 0x00: p = "BG"; break; + case 0x01: p = "DK1"; break; + case 0x02: p = "DK2"; break; + case 0x03: p = "DK3"; break; + case 0x04: p = "I"; break; + case 0x05: p = "L"; break; + case 0x06: p = "BTSC"; break; + case 0x07: p = "EIAJ"; break; + case 0x08: p = "A2-M"; break; + case 0x09: p = "FM Radio"; break; + case 0x0f: p = "automatic standard and mode detection"; break; + default: p = "undefined"; + } + CX18_INFO("Configured audio system: %s\n", p); + } + + if (aud_input) + CX18_INFO("Specified audio input: Tuner (In%d)\n", + aud_input); + else + CX18_INFO("Specified audio input: External\n"); + + switch (pref_mode & 0xf) { + case 0: p = "mono/language A"; break; + case 1: p = "language B"; break; + case 2: p = "language C"; break; + case 3: p = "analog fallback"; break; + case 4: p = "stereo"; break; + case 5: p = "language AC"; break; + case 6: p = "language BC"; break; + case 7: p = "language AB"; break; + default: p = "undefined"; + } + CX18_INFO("Preferred audio mode: %s\n", p); + + if ((audio_config & 0xf) == 0xf) { + switch ((afc0 >> 2) & 0x1) { + case 0: p = "system DK"; break; + case 1: p = "system L"; break; + } + CX18_INFO("Selected 65 MHz format: %s\n", p); + + switch (afc0 & 0x3) { + case 0: p = "BTSC"; break; + case 1: p = "EIAJ"; break; + case 2: p = "A2-M"; break; + default: p = "undefined"; + } + CX18_INFO("Selected 45 MHz format: %s\n", p); + } +} diff --git a/drivers/media/video/cx18/cx18-av-core.h b/drivers/media/video/cx18/cx18-av-core.h new file mode 100644 index 0000000..786901d --- /dev/null +++ b/drivers/media/video/cx18/cx18-av-core.h @@ -0,0 +1,318 @@ +/* + * cx18 ADEC header + * + * Derived from cx25840-core.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#ifndef _CX18_AV_CORE_H_ +#define _CX18_AV_CORE_H_ + +struct cx18; + +enum cx18_av_video_input { + /* Composite video inputs In1-In8 */ + CX18_AV_COMPOSITE1 = 1, + CX18_AV_COMPOSITE2, + CX18_AV_COMPOSITE3, + CX18_AV_COMPOSITE4, + CX18_AV_COMPOSITE5, + CX18_AV_COMPOSITE6, + CX18_AV_COMPOSITE7, + CX18_AV_COMPOSITE8, + + /* S-Video inputs consist of one luma input (In1-In4) ORed with one + chroma input (In5-In8) */ + CX18_AV_SVIDEO_LUMA1 = 0x10, + CX18_AV_SVIDEO_LUMA2 = 0x20, + CX18_AV_SVIDEO_LUMA3 = 0x30, + CX18_AV_SVIDEO_LUMA4 = 0x40, + CX18_AV_SVIDEO_CHROMA4 = 0x400, + CX18_AV_SVIDEO_CHROMA5 = 0x500, + CX18_AV_SVIDEO_CHROMA6 = 0x600, + CX18_AV_SVIDEO_CHROMA7 = 0x700, + CX18_AV_SVIDEO_CHROMA8 = 0x800, + + /* S-Video aliases for common luma/chroma combinations */ + CX18_AV_SVIDEO1 = 0x510, + CX18_AV_SVIDEO2 = 0x620, + CX18_AV_SVIDEO3 = 0x730, + CX18_AV_SVIDEO4 = 0x840, +}; + +enum cx18_av_audio_input { + /* Audio inputs: serial or In4-In8 */ + CX18_AV_AUDIO_SERIAL, + CX18_AV_AUDIO4 = 4, + CX18_AV_AUDIO5, + CX18_AV_AUDIO6, + CX18_AV_AUDIO7, + CX18_AV_AUDIO8, +}; + +struct cx18_av_state { + int radio; + v4l2_std_id std; + enum cx18_av_video_input vid_input; + enum cx18_av_audio_input aud_input; + u32 audclk_freq; + int audmode; + int vbi_line_offset; + u32 id; + u32 rev; + int is_initialized; +}; + + +/* Registers */ +#define CXADEC_CHIP_TYPE_TIGER 0x837 +#define CXADEC_CHIP_TYPE_MAKO 0x843 + +#define CXADEC_HOST_REG1 0x000 +#define CXADEC_HOST_REG2 0x001 + +#define CXADEC_CHIP_CTRL 0x100 +#define CXADEC_AFE_CTRL 0x104 +#define CXADEC_PLL_CTRL1 0x108 +#define CXADEC_VID_PLL_FRAC 0x10C +#define CXADEC_AUX_PLL_FRAC 0x110 +#define CXADEC_PIN_CTRL1 0x114 +#define CXADEC_PIN_CTRL2 0x118 +#define CXADEC_PIN_CFG1 0x11C +#define CXADEC_PIN_CFG2 0x120 + +#define CXADEC_PIN_CFG3 0x124 +#define CXADEC_I2S_MCLK 0x127 + +#define CXADEC_AUD_LOCK1 0x128 +#define CXADEC_AUD_LOCK2 0x12C +#define CXADEC_POWER_CTRL 0x130 +#define CXADEC_AFE_DIAG_CTRL1 0x134 +#define CXADEC_AFE_DIAG_CTRL2 0x138 +#define CXADEC_AFE_DIAG_CTRL3 0x13C +#define CXADEC_PLL_DIAG_CTRL 0x140 +#define CXADEC_TEST_CTRL1 0x144 +#define CXADEC_TEST_CTRL2 0x148 +#define CXADEC_BIST_STAT 0x14C +#define CXADEC_DLL1_DIAG_CTRL 0x158 +#define CXADEC_DLL2_DIAG_CTRL 0x15C + +/* IR registers */ +#define CXADEC_IR_CTRL_REG 0x200 +#define CXADEC_IR_TXCLK_REG 0x204 +#define CXADEC_IR_RXCLK_REG 0x208 +#define CXADEC_IR_CDUTY_REG 0x20C +#define CXADEC_IR_STAT_REG 0x210 +#define CXADEC_IR_IRQEN_REG 0x214 +#define CXADEC_IR_FILTER_REG 0x218 +#define CXADEC_IR_FIFO_REG 0x21C + +/* Video Registers */ +#define CXADEC_MODE_CTRL 0x400 +#define CXADEC_OUT_CTRL1 0x404 +#define CXADEC_OUT_CTRL2 0x408 +#define CXADEC_GEN_STAT 0x40C +#define CXADEC_INT_STAT_MASK 0x410 +#define CXADEC_LUMA_CTRL 0x414 + +#define CXADEC_BRIGHTNESS_CTRL_BYTE 0x414 +#define CXADEC_CONTRAST_CTRL_BYTE 0x415 +#define CXADEC_LUMA_CTRL_BYTE_3 0x416 + +#define CXADEC_HSCALE_CTRL 0x418 +#define CXADEC_VSCALE_CTRL 0x41C + +#define CXADEC_CHROMA_CTRL 0x420 + +#define CXADEC_USAT_CTRL_BYTE 0x420 +#define CXADEC_VSAT_CTRL_BYTE 0x421 +#define CXADEC_HUE_CTRL_BYTE 0x422 + +#define CXADEC_VBI_LINE_CTRL1 0x424 +#define CXADEC_VBI_LINE_CTRL2 0x428 +#define CXADEC_VBI_LINE_CTRL3 0x42C +#define CXADEC_VBI_LINE_CTRL4 0x430 +#define CXADEC_VBI_LINE_CTRL5 0x434 +#define CXADEC_VBI_FC_CFG 0x438 +#define CXADEC_VBI_MISC_CFG1 0x43C +#define CXADEC_VBI_MISC_CFG2 0x440 +#define CXADEC_VBI_PAY1 0x444 +#define CXADEC_VBI_PAY2 0x448 +#define CXADEC_VBI_CUST1_CFG1 0x44C +#define CXADEC_VBI_CUST1_CFG2 0x450 +#define CXADEC_VBI_CUST1_CFG3 0x454 +#define CXADEC_VBI_CUST2_CFG1 0x458 +#define CXADEC_VBI_CUST2_CFG2 0x45C +#define CXADEC_VBI_CUST2_CFG3 0x460 +#define CXADEC_VBI_CUST3_CFG1 0x464 +#define CXADEC_VBI_CUST3_CFG2 0x468 +#define CXADEC_VBI_CUST3_CFG3 0x46C +#define CXADEC_HORIZ_TIM_CTRL 0x470 +#define CXADEC_VERT_TIM_CTRL 0x474 +#define CXADEC_SRC_COMB_CFG 0x478 +#define CXADEC_CHROMA_VBIOFF_CFG 0x47C +#define CXADEC_FIELD_COUNT 0x480 +#define CXADEC_MISC_TIM_CTRL 0x484 +#define CXADEC_DFE_CTRL1 0x488 +#define CXADEC_DFE_CTRL2 0x48C +#define CXADEC_DFE_CTRL3 0x490 +#define CXADEC_PLL_CTRL2 0x494 +#define CXADEC_HTL_CTRL 0x498 +#define CXADEC_COMB_CTRL 0x49C +#define CXADEC_CRUSH_CTRL 0x4A0 +#define CXADEC_SOFT_RST_CTRL 0x4A4 +#define CXADEC_MV_DT_CTRL2 0x4A8 +#define CXADEC_MV_DT_CTRL3 0x4AC +#define CXADEC_MISC_DIAG_CTRL 0x4B8 + +#define CXADEC_DL_CTL 0x800 +#define CXADEC_DL_CTL_ADDRESS_LOW 0x800 /* Byte 1 in DL_CTL */ +#define CXADEC_DL_CTL_ADDRESS_HIGH 0x801 /* Byte 2 in DL_CTL */ +#define CXADEC_DL_CTL_DATA 0x802 /* Byte 3 in DL_CTL */ +#define CXADEC_DL_CTL_CONTROL 0x803 /* Byte 4 in DL_CTL */ + +#define CXADEC_STD_DET_STATUS 0x804 + +#define CXADEC_STD_DET_CTL 0x808 +#define CXADEC_STD_DET_CTL_AUD_CTL 0x808 /* Byte 1 in STD_DET_CTL */ +#define CXADEC_STD_DET_CTL_PREF_MODE 0x809 /* Byte 2 in STD_DET_CTL */ + +#define CXADEC_DW8051_INT 0x80C +#define CXADEC_GENERAL_CTL 0x810 +#define CXADEC_AAGC_CTL 0x814 +#define CXADEC_IF_SRC_CTL 0x818 +#define CXADEC_ANLOG_DEMOD_CTL 0x81C +#define CXADEC_ROT_FREQ_CTL 0x820 +#define CXADEC_FM1_CTL 0x824 +#define CXADEC_PDF_CTL 0x828 +#define CXADEC_DFT1_CTL1 0x82C +#define CXADEC_DFT1_CTL2 0x830 +#define CXADEC_DFT_STATUS 0x834 +#define CXADEC_DFT2_CTL1 0x838 +#define CXADEC_DFT2_CTL2 0x83C +#define CXADEC_DFT2_STATUS 0x840 +#define CXADEC_DFT3_CTL1 0x844 +#define CXADEC_DFT3_CTL2 0x848 +#define CXADEC_DFT3_STATUS 0x84C +#define CXADEC_DFT4_CTL1 0x850 +#define CXADEC_DFT4_CTL2 0x854 +#define CXADEC_DFT4_STATUS 0x858 +#define CXADEC_AM_MTS_DET 0x85C +#define CXADEC_ANALOG_MUX_CTL 0x860 +#define CXADEC_DIG_PLL_CTL1 0x864 +#define CXADEC_DIG_PLL_CTL2 0x868 +#define CXADEC_DIG_PLL_CTL3 0x86C +#define CXADEC_DIG_PLL_CTL4 0x870 +#define CXADEC_DIG_PLL_CTL5 0x874 +#define CXADEC_DEEMPH_GAIN_CTL 0x878 +#define CXADEC_DEEMPH_COEF1 0x87C +#define CXADEC_DEEMPH_COEF2 0x880 +#define CXADEC_DBX1_CTL1 0x884 +#define CXADEC_DBX1_CTL2 0x888 +#define CXADEC_DBX1_STATUS 0x88C +#define CXADEC_DBX2_CTL1 0x890 +#define CXADEC_DBX2_CTL2 0x894 +#define CXADEC_DBX2_STATUS 0x898 +#define CXADEC_AM_FM_DIFF 0x89C + +/* NICAM registers go here */ +#define CXADEC_NICAM_STATUS 0x8C8 +#define CXADEC_DEMATRIX_CTL 0x8CC + +#define CXADEC_PATH1_CTL1 0x8D0 +#define CXADEC_PATH1_VOL_CTL 0x8D4 +#define CXADEC_PATH1_EQ_CTL 0x8D8 +#define CXADEC_PATH1_SC_CTL 0x8DC + +#define CXADEC_PATH2_CTL1 0x8E0 +#define CXADEC_PATH2_VOL_CTL 0x8E4 +#define CXADEC_PATH2_EQ_CTL 0x8E8 +#define CXADEC_PATH2_SC_CTL 0x8EC + +#define CXADEC_SRC_CTL 0x8F0 +#define CXADEC_SRC_LF_COEF 0x8F4 +#define CXADEC_SRC1_CTL 0x8F8 +#define CXADEC_SRC2_CTL 0x8FC +#define CXADEC_SRC3_CTL 0x900 +#define CXADEC_SRC4_CTL 0x904 +#define CXADEC_SRC5_CTL 0x908 +#define CXADEC_SRC6_CTL 0x90C + +#define CXADEC_BASEBAND_OUT_SEL 0x910 +#define CXADEC_I2S_IN_CTL 0x914 +#define CXADEC_I2S_OUT_CTL 0x918 +#define CXADEC_AC97_CTL 0x91C +#define CXADEC_QAM_PDF 0x920 +#define CXADEC_QAM_CONST_DEC 0x924 +#define CXADEC_QAM_ROTATOR_FREQ 0x948 + +/* Bit defintions / settings used in Mako Audio */ +#define CXADEC_PREF_MODE_MONO_LANGA 0 +#define CXADEC_PREF_MODE_MONO_LANGB 1 +#define CXADEC_PREF_MODE_MONO_LANGC 2 +#define CXADEC_PREF_MODE_FALLBACK 3 +#define CXADEC_PREF_MODE_STEREO 4 +#define CXADEC_PREF_MODE_DUAL_LANG_AC 5 +#define CXADEC_PREF_MODE_DUAL_LANG_BC 6 +#define CXADEC_PREF_MODE_DUAL_LANG_AB 7 + + +#define CXADEC_DETECT_STEREO 1 +#define CXADEC_DETECT_DUAL 2 +#define CXADEC_DETECT_TRI 4 +#define CXADEC_DETECT_SAP 0x10 +#define CXADEC_DETECT_NO_SIGNAL 0xFF + +#define CXADEC_SELECT_AUDIO_STANDARD_BG 0xF0 /* NICAM BG and A2 BG */ +#define CXADEC_SELECT_AUDIO_STANDARD_DK1 0xF1 /* NICAM DK and A2 DK */ +#define CXADEC_SELECT_AUDIO_STANDARD_DK2 0xF2 +#define CXADEC_SELECT_AUDIO_STANDARD_DK3 0xF3 +#define CXADEC_SELECT_AUDIO_STANDARD_I 0xF4 /* NICAM I and A1 */ +#define CXADEC_SELECT_AUDIO_STANDARD_L 0xF5 /* NICAM L and System L AM */ +#define CXADEC_SELECT_AUDIO_STANDARD_BTSC 0xF6 +#define CXADEC_SELECT_AUDIO_STANDARD_EIAJ 0xF7 +#define CXADEC_SELECT_AUDIO_STANDARD_A2_M 0xF8 /* A2 M */ +#define CXADEC_SELECT_AUDIO_STANDARD_FM 0xF9 /* FM radio */ +#define CXADEC_SELECT_AUDIO_STANDARD_AUTO 0xFF /* Auto detect */ + +/* ----------------------------------------------------------------------- */ +/* cx18_av-core.c */ +int cx18_av_write(struct cx18 *cx, u16 addr, u8 value); +int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value); +u8 cx18_av_read(struct cx18 *cx, u16 addr); +u32 cx18_av_read4(struct cx18 *cx, u16 addr); +int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned mask, u8 value); +int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 mask, u32 value); +int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg); + +/* ----------------------------------------------------------------------- */ +/* cx18_av-firmware.c */ +int cx18_av_loadfw(struct cx18 *cx); + +/* ----------------------------------------------------------------------- */ +/* cx18_av-audio.c */ +int cx18_av_audio(struct cx18 *cx, unsigned int cmd, void *arg); +void cx18_av_audio_set_path(struct cx18 *cx); + +/* ----------------------------------------------------------------------- */ +/* cx18_av-vbi.c */ +void cx18_av_vbi_setup(struct cx18 *cx); +int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg); + +#endif diff --git a/drivers/media/video/cx18/cx18-av-firmware.c b/drivers/media/video/cx18/cx18-av-firmware.c new file mode 100644 index 0000000..526e142 --- /dev/null +++ b/drivers/media/video/cx18/cx18-av-firmware.c @@ -0,0 +1,120 @@ +/* + * cx18 ADEC firmware functions + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include "cx18-driver.h" +#include <linux/firmware.h> + +#define FWFILE "v4l-cx23418-dig.fw" + +int cx18_av_loadfw(struct cx18 *cx) +{ + const struct firmware *fw = NULL; + u32 size; + u32 v; + u8 *ptr; + int i; + + if (request_firmware(&fw, FWFILE, &cx->dev->dev) != 0) { + CX18_ERR("unable to open firmware %s\n", FWFILE); + return -EINVAL; + } + + cx18_av_write4(cx, CXADEC_CHIP_CTRL, 0x00010000); + cx18_av_write(cx, CXADEC_STD_DET_CTL, 0xf6); /* Byte 0 */ + + /* Reset the Mako core (Register is undocumented.) */ + cx18_av_write4(cx, 0x8100, 0x00010000); + + /* Put the 8051 in reset and enable firmware upload */ + cx18_av_write4(cx, CXADEC_DL_CTL, 0x0F000000); + + ptr = fw->data; + size = fw->size; + + for (i = 0; i < size; i++) { + u32 dl_control = 0x0F000000 | ((u32)ptr[i] << 16); + u32 value = 0; + int retries; + + for (retries = 0; retries < 5; retries++) { + cx18_av_write4(cx, CXADEC_DL_CTL, dl_control); + value = cx18_av_read4(cx, CXADEC_DL_CTL); + if ((value & 0x3F00) == (dl_control & 0x3F00)) + break; + } + if (retries >= 5) { + CX18_ERR("unable to load firmware %s\n", FWFILE); + release_firmware(fw); + return -EIO; + } + } + + cx18_av_write4(cx, CXADEC_DL_CTL, 0x13000000 | fw->size); + + /* Output to the 416 */ + cx18_av_and_or4(cx, CXADEC_PIN_CTRL1, ~0, 0x78000); + + /* Audio input control 1 set to Sony mode */ + /* Audio output input 2 is 0 for slave operation input */ + /* 0xC4000914[5]: 0 = left sample on WS=0, 1 = left sample on WS=1 */ + /* 0xC4000914[7]: 0 = Philips mode, 1 = Sony mode (1st SCK rising edge + after WS transition for first bit of audio word. */ + cx18_av_write4(cx, CXADEC_I2S_IN_CTL, 0x000000A0); + + /* Audio output control 1 is set to Sony mode */ + /* Audio output control 2 is set to 1 for master mode */ + /* 0xC4000918[5]: 0 = left sample on WS=0, 1 = left sample on WS=1 */ + /* 0xC4000918[7]: 0 = Philips mode, 1 = Sony mode (1st SCK rising edge + after WS transition for first bit of audio word. */ + /* 0xC4000918[8]: 0 = slave operation, 1 = master (SCK_OUT and WS_OUT + are generated) */ + cx18_av_write4(cx, CXADEC_I2S_OUT_CTL, 0x000001A0); + + /* set alt I2s master clock to /16 and enable alt divider i2s + passthrough */ + cx18_av_write4(cx, CXADEC_PIN_CFG3, 0x5000B687); + + cx18_av_write4(cx, CXADEC_STD_DET_CTL, 0x000000F6); + /* CxDevWrReg(CXADEC_STD_DET_CTL, 0x000000FF); */ + + /* Set bit 0 in register 0x9CC to signify that this is MiniMe. */ + /* Register 0x09CC is defined by the Merlin firmware, and doesn't + have a name in the spec. */ + cx18_av_write4(cx, 0x09CC, 1); + +#define CX18_AUDIO_ENABLE 0xc72014 + v = read_reg(CX18_AUDIO_ENABLE); + /* If bit 11 is 1 */ + if (v & 0x800) + write_reg(v & 0xFFFFFBFF, CX18_AUDIO_ENABLE); /* Clear bit 10 */ + + /* Enable WW auto audio standard detection */ + v = cx18_av_read4(cx, CXADEC_STD_DET_CTL); + v |= 0xFF; /* Auto by default */ + v |= 0x400; /* Stereo by default */ + v |= 0x14000000; + cx18_av_write4(cx, CXADEC_STD_DET_CTL, v); + + release_firmware(fw); + + CX18_INFO("loaded %s firmware (%d bytes)\n", FWFILE, size); + return 0; +} diff --git a/drivers/media/video/cx18/cx18-av-vbi.c b/drivers/media/video/cx18/cx18-av-vbi.c new file mode 100644 index 0000000..d09f1da --- /dev/null +++ b/drivers/media/video/cx18/cx18-av-vbi.c @@ -0,0 +1,413 @@ +/* + * cx18 ADEC VBI functions + * + * Derived from cx25840-vbi.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + + +#include "cx18-driver.h" + +static int odd_parity(u8 c) +{ + c ^= (c >> 4); + c ^= (c >> 2); + c ^= (c >> 1); + + return c & 1; +} + +static int decode_vps(u8 *dst, u8 *p) +{ + static const u8 biphase_tbl[] = { + 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, + 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, + 0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96, + 0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2, + 0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94, + 0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0, + 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, + 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, + 0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5, + 0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1, + 0xc3, 0x4b, 0x43, 0xc3, 0x87, 0x0f, 0x07, 0x87, + 0x83, 0x0b, 0x03, 0x83, 0xc3, 0x4b, 0x43, 0xc3, + 0xc1, 0x49, 0x41, 0xc1, 0x85, 0x0d, 0x05, 0x85, + 0x81, 0x09, 0x01, 0x81, 0xc1, 0x49, 0x41, 0xc1, + 0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5, + 0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1, + 0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4, + 0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0, + 0xc2, 0x4a, 0x42, 0xc2, 0x86, 0x0e, 0x06, 0x86, + 0x82, 0x0a, 0x02, 0x82, 0xc2, 0x4a, 0x42, 0xc2, + 0xc0, 0x48, 0x40, 0xc0, 0x84, 0x0c, 0x04, 0x84, + 0x80, 0x08, 0x00, 0x80, 0xc0, 0x48, 0x40, 0xc0, + 0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4, + 0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0, + 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, + 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, + 0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96, + 0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2, + 0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94, + 0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0, + 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, + 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, + }; + + u8 c, err = 0; + int i; + + for (i = 0; i < 2 * 13; i += 2) { + err |= biphase_tbl[p[i]] | biphase_tbl[p[i + 1]]; + c = (biphase_tbl[p[i + 1]] & 0xf) | + ((biphase_tbl[p[i]] & 0xf) << 4); + dst[i / 2] = c; + } + + return err & 0xf0; +} + +void cx18_av_vbi_setup(struct cx18 *cx) +{ + struct cx18_av_state *state = &cx->av_state; + v4l2_std_id std = state->std; + int hblank, hactive, burst, vblank, vactive, sc; + int vblank656, src_decimation; + int luma_lpf, uv_lpf, comb; + u32 pll_int, pll_frac, pll_post; + + /* datasheet startup, step 8d */ + if (std & ~V4L2_STD_NTSC) + cx18_av_write(cx, 0x49f, 0x11); + else + cx18_av_write(cx, 0x49f, 0x14); + + if (std & V4L2_STD_625_50) { + hblank = 0x084; + hactive = 0x2d0; + burst = 0x5d; + vblank = 0x024; + vactive = 0x244; + vblank656 = 0x28; + src_decimation = 0x21f; + + luma_lpf = 2; + if (std & V4L2_STD_SECAM) { + uv_lpf = 0; + comb = 0; + sc = 0x0a425f; + } else if (std == V4L2_STD_PAL_Nc) { + uv_lpf = 1; + comb = 0x20; + sc = 556453; + } else { + uv_lpf = 1; + comb = 0x20; + sc = 0x0a8263; + } + } else { + hactive = 720; + hblank = 122; + vactive = 487; + luma_lpf = 1; + uv_lpf = 1; + + src_decimation = 0x21f; + if (std == V4L2_STD_PAL_60) { + vblank = 26; + vblank656 = 26; + burst = 0x5b; + luma_lpf = 2; + comb = 0x20; + sc = 0x0a8263; + } else if (std == V4L2_STD_PAL_M) { + vblank = 20; + vblank656 = 24; + burst = 0x61; + comb = 0x20; + + sc = 555452; + } else { + vblank = 26; + vblank656 = 26; + burst = 0x5b; + comb = 0x66; + sc = 556063; + } + } + + /* DEBUG: Displays configured PLL frequency */ + pll_int = cx18_av_read(cx, 0x108); + pll_frac = cx18_av_read4(cx, 0x10c) & 0x1ffffff; + pll_post = cx18_av_read(cx, 0x109); + CX18_DEBUG_INFO("PLL regs = int: %u, frac: %u, post: %u\n", + pll_int, pll_frac, pll_post); + + if (pll_post) { + int fin, fsc; + int pll = 28636363L * ((((u64)pll_int) << 25) + pll_frac); + + pll >>= 25; + pll /= pll_post; + CX18_DEBUG_INFO("PLL = %d.%06d MHz\n", + pll / 1000000, pll % 1000000); + CX18_DEBUG_INFO("PLL/8 = %d.%06d MHz\n", + pll / 8000000, (pll / 8) % 1000000); + + fin = ((u64)src_decimation * pll) >> 12; + CX18_DEBUG_INFO("ADC Sampling freq = %d.%06d MHz\n", + fin / 1000000, fin % 1000000); + + fsc = (((u64)sc) * pll) >> 24L; + CX18_DEBUG_INFO("Chroma sub-carrier freq = %d.%06d MHz\n", + fsc / 1000000, fsc % 1000000); + + CX18_DEBUG_INFO("hblank %i, hactive %i, " + "vblank %i , vactive %i, vblank656 %i, src_dec %i," + "burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x," + " sc 0x%06x\n", + hblank, hactive, vblank, vactive, vblank656, + src_decimation, burst, luma_lpf, uv_lpf, comb, sc); + } + + /* Sets horizontal blanking delay and active lines */ + cx18_av_write(cx, 0x470, hblank); + cx18_av_write(cx, 0x471, 0xff & (((hblank >> 8) & 0x3) | + (hactive << 4))); + cx18_av_write(cx, 0x472, hactive >> 4); + + /* Sets burst gate delay */ + cx18_av_write(cx, 0x473, burst); + + /* Sets vertical blanking delay and active duration */ + cx18_av_write(cx, 0x474, vblank); + cx18_av_write(cx, 0x475, 0xff & (((vblank >> 8) & 0x3) | + (vactive << 4))); + cx18_av_write(cx, 0x476, vactive >> 4); + cx18_av_write(cx, 0x477, vblank656); + + /* Sets src decimation rate */ + cx18_av_write(cx, 0x478, 0xff & src_decimation); + cx18_av_write(cx, 0x479, 0xff & (src_decimation >> 8)); + + /* Sets Luma and UV Low pass filters */ + cx18_av_write(cx, 0x47a, luma_lpf << 6 | ((uv_lpf << 4) & 0x30)); + + /* Enables comb filters */ + cx18_av_write(cx, 0x47b, comb); + + /* Sets SC Step*/ + cx18_av_write(cx, 0x47c, sc); + cx18_av_write(cx, 0x47d, 0xff & sc >> 8); + cx18_av_write(cx, 0x47e, 0xff & sc >> 16); + + /* Sets VBI parameters */ + if (std & V4L2_STD_625_50) { + cx18_av_write(cx, 0x47f, 0x01); + state->vbi_line_offset = 5; + } else { + cx18_av_write(cx, 0x47f, 0x00); + state->vbi_line_offset = 8; + } +} + +int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg) +{ + struct cx18_av_state *state = &cx->av_state; + struct v4l2_format *fmt; + struct v4l2_sliced_vbi_format *svbi; + + switch (cmd) { + case VIDIOC_G_FMT: + { + static u16 lcr2vbi[] = { + 0, V4L2_SLICED_TELETEXT_B, 0, /* 1 */ + 0, V4L2_SLICED_WSS_625, 0, /* 4 */ + V4L2_SLICED_CAPTION_525, /* 6 */ + 0, 0, V4L2_SLICED_VPS, 0, 0, /* 9 */ + 0, 0, 0, 0 + }; + int is_pal = !(state->std & V4L2_STD_525_60); + int i; + + fmt = arg; + if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) + return -EINVAL; + svbi = &fmt->fmt.sliced; + memset(svbi, 0, sizeof(*svbi)); + /* we're done if raw VBI is active */ + if ((cx18_av_read(cx, 0x404) & 0x10) == 0) + break; + + if (is_pal) { + for (i = 7; i <= 23; i++) { + u8 v = cx18_av_read(cx, 0x424 + i - 7); + + svbi->service_lines[0][i] = lcr2vbi[v >> 4]; + svbi->service_lines[1][i] = lcr2vbi[v & 0xf]; + svbi->service_set |= svbi->service_lines[0][i] | + svbi->service_lines[1][i]; + } + } else { + for (i = 10; i <= 21; i++) { + u8 v = cx18_av_read(cx, 0x424 + i - 10); + + svbi->service_lines[0][i] = lcr2vbi[v >> 4]; + svbi->service_lines[1][i] = lcr2vbi[v & 0xf]; + svbi->service_set |= svbi->service_lines[0][i] | + svbi->service_lines[1][i]; + } + } + break; + } + + case VIDIOC_S_FMT: + { + int is_pal = !(state->std & V4L2_STD_525_60); + int vbi_offset = is_pal ? 1 : 0; + int i, x; + u8 lcr[24]; + + fmt = arg; + if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) + return -EINVAL; + svbi = &fmt->fmt.sliced; + if (svbi->service_set == 0) { + /* raw VBI */ + memset(svbi, 0, sizeof(*svbi)); + + /* Setup VBI */ + cx18_av_vbi_setup(cx); + + /* VBI Offset */ + cx18_av_write(cx, 0x47f, vbi_offset); + cx18_av_write(cx, 0x404, 0x2e); + break; + } + + for (x = 0; x <= 23; x++) + lcr[x] = 0x00; + + /* Setup VBI */ + cx18_av_vbi_setup(cx); + + /* Sliced VBI */ + cx18_av_write(cx, 0x404, 0x32); /* Ancillary data */ + cx18_av_write(cx, 0x406, 0x13); + cx18_av_write(cx, 0x47f, vbi_offset); + + if (is_pal) { + for (i = 0; i <= 6; i++) + svbi->service_lines[0][i] = + svbi->service_lines[1][i] = 0; + } else { + for (i = 0; i <= 9; i++) + svbi->service_lines[0][i] = + svbi->service_lines[1][i] = 0; + + for (i = 22; i <= 23; i++) + svbi->service_lines[0][i] = + svbi->service_lines[1][i] = 0; + } + + for (i = 7; i <= 23; i++) { + for (x = 0; x <= 1; x++) { + switch (svbi->service_lines[1-x][i]) { + case V4L2_SLICED_TELETEXT_B: + lcr[i] |= 1 << (4 * x); + break; + case V4L2_SLICED_WSS_625: + lcr[i] |= 4 << (4 * x); + break; + case V4L2_SLICED_CAPTION_525: + lcr[i] |= 6 << (4 * x); + break; + case V4L2_SLICED_VPS: + lcr[i] |= 9 << (4 * x); + break; + } + } + } + + if (is_pal) { + for (x = 1, i = 0x424; i <= 0x434; i++, x++) + cx18_av_write(cx, i, lcr[6 + x]); + } else { + for (x = 1, i = 0x424; i <= 0x430; i++, x++) + cx18_av_write(cx, i, lcr[9 + x]); + for (i = 0x431; i <= 0x434; i++) + cx18_av_write(cx, i, 0); + } + + cx18_av_write(cx, 0x43c, 0x16); + cx18_av_write(cx, 0x474, is_pal ? 0x2a : 0x22); + break; + } + + case VIDIOC_INT_DECODE_VBI_LINE: + { + struct v4l2_decode_vbi_line *vbi = arg; + u8 *p = vbi->p; + int id1, id2, l, err = 0; + + if (p[0] || p[1] != 0xff || p[2] != 0xff || + (p[3] != 0x55 && p[3] != 0x91)) { + vbi->line = vbi->type = 0; + break; + } + + p += 4; + id1 = p[-1]; + id2 = p[0] & 0xf; + l = p[2] & 0x3f; + l += state->vbi_line_offset; + p += 4; + + switch (id2) { + case 1: + id2 = V4L2_SLICED_TELETEXT_B; + break; + case 4: + id2 = V4L2_SLICED_WSS_625; + break; + case 6: + id2 = V4L2_SLICED_CAPTION_525; + err = !odd_parity(p[0]) || !odd_parity(p[1]); + break; + case 9: + id2 = V4L2_SLICED_VPS; + if (decode_vps(p, p) != 0) + err = 1; + break; + default: + id2 = 0; + err = 1; + break; + } + + vbi->type = err ? 0 : id2; + vbi->line = err ? 0 : l; + vbi->is_second_field = err ? 0 : (id1 == 0x55); + vbi->p = p; + break; + } + } + + return 0; +} diff --git a/drivers/media/video/cx18/cx18-cards.c b/drivers/media/video/cx18/cx18-cards.c new file mode 100644 index 0000000..f5e3ba1 --- /dev/null +++ b/drivers/media/video/cx18/cx18-cards.c @@ -0,0 +1,277 @@ +/* + * cx18 functions to query card hardware + * + * Derived from ivtv-cards.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-cards.h" +#include "cx18-i2c.h" +#include <media/cs5345.h> + +/********************** card configuration *******************************/ + +/* usual i2c tuner addresses to probe */ +static struct cx18_card_tuner_i2c cx18_i2c_std = { + .radio = { I2C_CLIENT_END }, + .demod = { 0x43, I2C_CLIENT_END }, + .tv = { 0x61, 0x60, I2C_CLIENT_END }, +}; + +/* Please add new PCI IDs to: http://pci-ids.ucw.cz/iii + This keeps the PCI ID database up to date. Note that the entries + must be added under vendor 0x4444 (Conexant) as subsystem IDs. + New vendor IDs should still be added to the vendor ID list. */ + +/* Hauppauge HVR-1600 cards */ + +/* Note: for Hauppauge cards the tveeprom information is used instead + of PCI IDs */ +static const struct cx18_card cx18_card_hvr1600_esmt = { + .type = CX18_CARD_HVR_1600_ESMT, + .name = "Hauppauge HVR-1600", + .comment = "DVB & VBI are not yet supported\n", + .v4l2_capabilities = CX18_CAP_ENCODER, + .hw_audio_ctrl = CX18_HW_CX23418, + .hw_muxer = CX18_HW_CS5345, + .hw_all = CX18_HW_TVEEPROM | CX18_HW_TUNER | CX18_HW_CS5345, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX23418_COMPOSITE7 }, + { CX18_CARD_INPUT_SVIDEO1, 1, CX23418_SVIDEO1 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX23418_COMPOSITE3 }, + { CX18_CARD_INPUT_SVIDEO2, 2, CX23418_SVIDEO2 }, + { CX18_CARD_INPUT_COMPOSITE2, 2, CX23418_COMPOSITE4 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, + CX23418_AUDIO8, CS5345_IN_1 | CS5345_MCLK_1_5 }, + { CX18_CARD_INPUT_LINE_IN1, + CX23418_AUDIO_SERIAL, CS5345_IN_2 }, + { CX18_CARD_INPUT_LINE_IN2, + CX23418_AUDIO_SERIAL, CS5345_IN_2 }, + }, + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, + CX23418_AUDIO_SERIAL, 0 }, + .ddr = { + /* ESMT M13S128324A-5B memory */ + .chip_config = 0x003, + .refresh = 0x30c, + .timing1 = 0x44220e82, + .timing2 = 0x08, + .tune_lane = 0, + .initial_emrs = 0, + }, + .gpio_init.initial_value = 0x3001, + .gpio_init.direction = 0x3001, + .i2c = &cx18_i2c_std, +}; + +static const struct cx18_card cx18_card_hvr1600_samsung = { + .type = CX18_CARD_HVR_1600_SAMSUNG, + .name = "Hauppauge HVR-1600 (Preproduction)", + .comment = "DVB & VBI are not yet supported\n", + .v4l2_capabilities = CX18_CAP_ENCODER, + .hw_audio_ctrl = CX18_HW_CX23418, + .hw_muxer = CX18_HW_CS5345, + .hw_all = CX18_HW_TVEEPROM | CX18_HW_TUNER | CX18_HW_CS5345, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX23418_COMPOSITE7 }, + { CX18_CARD_INPUT_SVIDEO1, 1, CX23418_SVIDEO1 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX23418_COMPOSITE3 }, + { CX18_CARD_INPUT_SVIDEO2, 2, CX23418_SVIDEO2 }, + { CX18_CARD_INPUT_COMPOSITE2, 2, CX23418_COMPOSITE4 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, + CX23418_AUDIO8, CS5345_IN_1 | CS5345_MCLK_1_5 }, + { CX18_CARD_INPUT_LINE_IN1, + CX23418_AUDIO_SERIAL, CS5345_IN_2 }, + { CX18_CARD_INPUT_LINE_IN2, + CX23418_AUDIO_SERIAL, CS5345_IN_2 }, + }, + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, + CX23418_AUDIO_SERIAL, 0 }, + .ddr = { + /* Samsung K4D263238G-VC33 memory */ + .chip_config = 0x003, + .refresh = 0x30c, + .timing1 = 0x23230b73, + .timing2 = 0x08, + .tune_lane = 0, + .initial_emrs = 2, + }, + .gpio_init.initial_value = 0x3001, + .gpio_init.direction = 0x3001, + .i2c = &cx18_i2c_std, +}; + +/* ------------------------------------------------------------------------- */ + +/* Compro VideoMate H900: not working at the moment! */ + +static const struct cx18_card_pci_info cx18_pci_h900[] = { + { PCI_DEVICE_ID_CX23418, CX18_PCI_ID_COMPRO, 0xe100 }, + { 0, 0, 0 } +}; + +static const struct cx18_card cx18_card_h900 = { + .type = CX18_CARD_COMPRO_H900, + .name = "Compro VideoMate H900", + .comment = "Not yet supported!\n", + .v4l2_capabilities = 0, + .hw_audio_ctrl = CX18_HW_CX23418, + .hw_all = CX18_HW_TUNER, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX23418_COMPOSITE7 }, + { CX18_CARD_INPUT_SVIDEO1, 1, CX23418_SVIDEO1 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX23418_COMPOSITE3 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, + CX23418_AUDIO8, 0 }, + { CX18_CARD_INPUT_LINE_IN1, + CX23418_AUDIO_SERIAL, 0 }, + }, + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, + CX23418_AUDIO_SERIAL, 0 }, + .tuners = { + { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 }, + }, + .ddr = { + /* EtronTech EM6A9160TS-5G memory */ + .chip_config = 0x50003, + .refresh = 0x753, + .timing1 = 0x24330e84, + .timing2 = 0x1f, + .tune_lane = 0, + .initial_emrs = 0, + }, + .pci_list = cx18_pci_h900, + .i2c = &cx18_i2c_std, +}; + +/* ------------------------------------------------------------------------- */ + +/* Yuan MPC718: not working at the moment! */ + +static const struct cx18_card_pci_info cx18_pci_mpc718[] = { + { PCI_DEVICE_ID_CX23418, CX18_PCI_ID_YUAN, 0x0718 }, + { 0, 0, 0 } +}; + +static const struct cx18_card cx18_card_mpc718 = { + .type = CX18_CARD_YUAN_MPC718, + .name = "Yuan MPC718", + .comment = "Not yet supported!\n", + .v4l2_capabilities = 0, + .hw_audio_ctrl = CX18_HW_CX23418, + .hw_all = CX18_HW_TUNER, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX23418_COMPOSITE7 }, + { CX18_CARD_INPUT_SVIDEO1, 1, CX23418_SVIDEO1 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX23418_COMPOSITE3 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, + CX23418_AUDIO8, 0 }, + { CX18_CARD_INPUT_LINE_IN1, + CX23418_AUDIO_SERIAL, 0 }, + }, + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, + CX23418_AUDIO_SERIAL, 0 }, + .tuners = { + /* XC3028 tuner */ + { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 }, + }, + /* tuner reset */ + .gpio_init = { .direction = 0x1000, .initial_value = 0x1000 }, + .ddr = { + /* Probably Samsung K4D263238G-VC33 memory */ + .chip_config = 0x003, + .refresh = 0x30c, + .timing1 = 0x23230b73, + .timing2 = 0x08, + .tune_lane = 0, + .initial_emrs = 2, + }, + .pci_list = cx18_pci_mpc718, + .i2c = &cx18_i2c_std, +}; + +static const struct cx18_card *cx18_card_list[] = { + &cx18_card_hvr1600_esmt, + &cx18_card_hvr1600_samsung, + &cx18_card_h900, + &cx18_card_mpc718, +}; + +const struct cx18_card *cx18_get_card(u16 index) +{ + if (index >= ARRAY_SIZE(cx18_card_list)) + return NULL; + return cx18_card_list[index]; +} + +int cx18_get_input(struct cx18 *cx, u16 index, struct v4l2_input *input) +{ + const struct cx18_card_video_input *card_input = + cx->card->video_inputs + index; + static const char * const input_strs[] = { + "Tuner 1", + "S-Video 1", + "S-Video 2", + "Composite 1", + "Composite 2", + "Composite 3" + }; + + memset(input, 0, sizeof(*input)); + if (index >= cx->nof_inputs) + return -EINVAL; + input->index = index; + strlcpy(input->name, input_strs[card_input->video_type - 1], + sizeof(input->name)); + input->type = (card_input->video_type == CX18_CARD_INPUT_VID_TUNER ? + V4L2_INPUT_TYPE_TUNER : V4L2_INPUT_TYPE_CAMERA); + input->audioset = (1 << cx->nof_audio_inputs) - 1; + input->std = (input->type == V4L2_INPUT_TYPE_TUNER) ? + cx->tuner_std : V4L2_STD_ALL; + return 0; +} + +int cx18_get_audio_input(struct cx18 *cx, u16 index, struct v4l2_audio *audio) +{ + const struct cx18_card_audio_input *aud_input = + cx->card->audio_inputs + index; + static const char * const input_strs[] = { + "Tuner 1", + "Line In 1", + "Line In 2" + }; + + memset(audio, 0, sizeof(*audio)); + if (index >= cx->nof_audio_inputs) + return -EINVAL; + strlcpy(audio->name, input_strs[aud_input->audio_type - 1], + sizeof(audio->name)); + audio->index = index; + audio->capability = V4L2_AUDCAP_STEREO; + return 0; +} diff --git a/drivers/media/video/cx18/cx18-cards.h b/drivers/media/video/cx18/cx18-cards.h new file mode 100644 index 0000000..bca249b --- /dev/null +++ b/drivers/media/video/cx18/cx18-cards.h @@ -0,0 +1,170 @@ +/* + * cx18 functions to query card hardware + * + * Derived from ivtv-cards.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* hardware flags */ +#define CX18_HW_TUNER (1 << 0) +#define CX18_HW_TVEEPROM (1 << 1) +#define CX18_HW_CS5345 (1 << 2) +#define CX18_HW_GPIO (1 << 3) +#define CX18_HW_CX23418 (1 << 4) +#define CX18_HW_DVB (1 << 5) + +/* video inputs */ +#define CX18_CARD_INPUT_VID_TUNER 1 +#define CX18_CARD_INPUT_SVIDEO1 2 +#define CX18_CARD_INPUT_SVIDEO2 3 +#define CX18_CARD_INPUT_COMPOSITE1 4 +#define CX18_CARD_INPUT_COMPOSITE2 5 +#define CX18_CARD_INPUT_COMPOSITE3 6 + +enum cx34180_video_input { + /* Composite video inputs In1-In8 */ + CX23418_COMPOSITE1 = 1, + CX23418_COMPOSITE2, + CX23418_COMPOSITE3, + CX23418_COMPOSITE4, + CX23418_COMPOSITE5, + CX23418_COMPOSITE6, + CX23418_COMPOSITE7, + CX23418_COMPOSITE8, + + /* S-Video inputs consist of one luma input (In1-In4) ORed with one + chroma input (In5-In8) */ + CX23418_SVIDEO_LUMA1 = 0x10, + CX23418_SVIDEO_LUMA2 = 0x20, + CX23418_SVIDEO_LUMA3 = 0x30, + CX23418_SVIDEO_LUMA4 = 0x40, + CX23418_SVIDEO_CHROMA4 = 0x400, + CX23418_SVIDEO_CHROMA5 = 0x500, + CX23418_SVIDEO_CHROMA6 = 0x600, + CX23418_SVIDEO_CHROMA7 = 0x700, + CX23418_SVIDEO_CHROMA8 = 0x800, + + /* S-Video aliases for common luma/chroma combinations */ + CX23418_SVIDEO1 = 0x510, + CX23418_SVIDEO2 = 0x620, + CX23418_SVIDEO3 = 0x730, + CX23418_SVIDEO4 = 0x840, +}; + +/* audio inputs */ +#define CX18_CARD_INPUT_AUD_TUNER 1 +#define CX18_CARD_INPUT_LINE_IN1 2 +#define CX18_CARD_INPUT_LINE_IN2 3 + +#define CX18_CARD_MAX_VIDEO_INPUTS 6 +#define CX18_CARD_MAX_AUDIO_INPUTS 3 +#define CX18_CARD_MAX_TUNERS 2 + +enum cx23418_audio_input { + /* Audio inputs: serial or In4-In8 */ + CX23418_AUDIO_SERIAL, + CX23418_AUDIO4 = 4, + CX23418_AUDIO5, + CX23418_AUDIO6, + CX23418_AUDIO7, + CX23418_AUDIO8, +}; + +/* V4L2 capability aliases */ +#define CX18_CAP_ENCODER (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | \ + V4L2_CAP_AUDIO | V4L2_CAP_READWRITE) +/* | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE) not yet */ + +struct cx18_card_video_input { + u8 video_type; /* video input type */ + u8 audio_index; /* index in cx18_card_audio_input array */ + u16 video_input; /* hardware video input */ +}; + +struct cx18_card_audio_input { + u8 audio_type; /* audio input type */ + u32 audio_input; /* hardware audio input */ + u16 muxer_input; /* hardware muxer input for boards with a + multiplexer chip */ +}; + +struct cx18_card_pci_info { + u16 device; + u16 subsystem_vendor; + u16 subsystem_device; +}; + +/* GPIO definitions */ + +/* The mask is the set of bits used by the operation */ + +struct cx18_gpio_init { /* set initial GPIO DIR and OUT values */ + u16 direction; /* DIR setting. Leave to 0 if no init is needed */ + u16 initial_value; +}; + +struct cx18_card_tuner { + v4l2_std_id std; /* standard for which the tuner is suitable */ + int tuner; /* tuner ID (from tuner.h) */ +}; + +struct cx18_card_tuner_i2c { + unsigned short radio[2];/* radio tuner i2c address to probe */ + unsigned short demod[2];/* demodulator i2c address to probe */ + unsigned short tv[4]; /* tv tuner i2c addresses to probe */ +}; + +struct cx18_ddr { /* DDR config data */ + u32 chip_config; + u32 refresh; + u32 timing1; + u32 timing2; + u32 tune_lane; + u32 initial_emrs; +}; + +/* for card information/parameters */ +struct cx18_card { + int type; + char *name; + char *comment; + u32 v4l2_capabilities; + u32 hw_audio_ctrl; /* hardware used for the V4L2 controls (only + 1 dev allowed) */ + u32 hw_muxer; /* hardware used to multiplex audio input */ + u32 hw_all; /* all hardware used by the board */ + struct cx18_card_video_input video_inputs[CX18_CARD_MAX_VIDEO_INPUTS]; + struct cx18_card_audio_input audio_inputs[CX18_CARD_MAX_AUDIO_INPUTS]; + struct cx18_card_audio_input radio_input; + + /* GPIO card-specific settings */ + struct cx18_gpio_init gpio_init; + + struct cx18_card_tuner tuners[CX18_CARD_MAX_TUNERS]; + struct cx18_card_tuner_i2c *i2c; + + struct cx18_ddr ddr; + + /* list of device and subsystem vendor/devices that + correspond to this card type. */ + const struct cx18_card_pci_info *pci_list; +}; + +int cx18_get_input(struct cx18 *cx, u16 index, struct v4l2_input *input); +int cx18_get_audio_input(struct cx18 *cx, u16 index, struct v4l2_audio *input); +const struct cx18_card *cx18_get_card(u16 index); diff --git a/drivers/media/video/cx18/cx18-controls.c b/drivers/media/video/cx18/cx18-controls.c new file mode 100644 index 0000000..da299ae --- /dev/null +++ b/drivers/media/video/cx18/cx18-controls.c @@ -0,0 +1,306 @@ +/* + * cx18 ioctl control functions + * + * Derived from ivtv-controls.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-av-core.h" +#include "cx18-cards.h" +#include "cx18-ioctl.h" +#include "cx18-audio.h" +#include "cx18-i2c.h" +#include "cx18-mailbox.h" +#include "cx18-controls.h" + +static const u32 user_ctrls[] = { + V4L2_CID_USER_CLASS, + V4L2_CID_BRIGHTNESS, + V4L2_CID_CONTRAST, + V4L2_CID_SATURATION, + V4L2_CID_HUE, + V4L2_CID_AUDIO_VOLUME, + V4L2_CID_AUDIO_BALANCE, + V4L2_CID_AUDIO_BASS, + V4L2_CID_AUDIO_TREBLE, + V4L2_CID_AUDIO_MUTE, + V4L2_CID_AUDIO_LOUDNESS, + 0 +}; + +static const u32 *ctrl_classes[] = { + user_ctrls, + cx2341x_mpeg_ctrls, + NULL +}; + +static int cx18_queryctrl(struct cx18 *cx, struct v4l2_queryctrl *qctrl) +{ + const char *name; + + CX18_DEBUG_IOCTL("VIDIOC_QUERYCTRL(%08x)\n", qctrl->id); + + qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); + if (qctrl->id == 0) + return -EINVAL; + + switch (qctrl->id) { + /* Standard V4L2 controls */ + case V4L2_CID_BRIGHTNESS: + case V4L2_CID_HUE: + case V4L2_CID_SATURATION: + case V4L2_CID_CONTRAST: + if (cx18_av_cmd(cx, VIDIOC_QUERYCTRL, qctrl)) + qctrl->flags |= V4L2_CTRL_FLAG_DISABLED; + return 0; + + case V4L2_CID_AUDIO_VOLUME: + case V4L2_CID_AUDIO_MUTE: + case V4L2_CID_AUDIO_BALANCE: + case V4L2_CID_AUDIO_BASS: + case V4L2_CID_AUDIO_TREBLE: + case V4L2_CID_AUDIO_LOUDNESS: + if (cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, VIDIOC_QUERYCTRL, qctrl)) + qctrl->flags |= V4L2_CTRL_FLAG_DISABLED; + return 0; + + default: + if (cx2341x_ctrl_query(&cx->params, qctrl)) + qctrl->flags |= V4L2_CTRL_FLAG_DISABLED; + return 0; + } + strncpy(qctrl->name, name, sizeof(qctrl->name) - 1); + qctrl->name[sizeof(qctrl->name) - 1] = 0; + return 0; +} + +static int cx18_querymenu(struct cx18 *cx, struct v4l2_querymenu *qmenu) +{ + struct v4l2_queryctrl qctrl; + + qctrl.id = qmenu->id; + cx18_queryctrl(cx, &qctrl); + return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id)); +} + +static int cx18_s_ctrl(struct cx18 *cx, struct v4l2_control *vctrl) +{ + s32 v = vctrl->value; + + CX18_DEBUG_IOCTL("VIDIOC_S_CTRL(%08x, %x)\n", vctrl->id, v); + + switch (vctrl->id) { + /* Standard V4L2 controls */ + case V4L2_CID_BRIGHTNESS: + case V4L2_CID_HUE: + case V4L2_CID_SATURATION: + case V4L2_CID_CONTRAST: + return cx18_av_cmd(cx, VIDIOC_S_CTRL, vctrl); + + case V4L2_CID_AUDIO_VOLUME: + case V4L2_CID_AUDIO_MUTE: + case V4L2_CID_AUDIO_BALANCE: + case V4L2_CID_AUDIO_BASS: + case V4L2_CID_AUDIO_TREBLE: + case V4L2_CID_AUDIO_LOUDNESS: + return cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, VIDIOC_S_CTRL, vctrl); + + default: + CX18_DEBUG_IOCTL("invalid control %x\n", vctrl->id); + return -EINVAL; + } + return 0; +} + +static int cx18_g_ctrl(struct cx18 *cx, struct v4l2_control *vctrl) +{ + CX18_DEBUG_IOCTL("VIDIOC_G_CTRL(%08x)\n", vctrl->id); + + switch (vctrl->id) { + /* Standard V4L2 controls */ + case V4L2_CID_BRIGHTNESS: + case V4L2_CID_HUE: + case V4L2_CID_SATURATION: + case V4L2_CID_CONTRAST: + return cx18_av_cmd(cx, VIDIOC_G_CTRL, vctrl); + + case V4L2_CID_AUDIO_VOLUME: + case V4L2_CID_AUDIO_MUTE: + case V4L2_CID_AUDIO_BALANCE: + case V4L2_CID_AUDIO_BASS: + case V4L2_CID_AUDIO_TREBLE: + case V4L2_CID_AUDIO_LOUDNESS: + return cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, VIDIOC_G_CTRL, vctrl); + default: + CX18_DEBUG_IOCTL("invalid control %x\n", vctrl->id); + return -EINVAL; + } + return 0; +} + +static int cx18_setup_vbi_fmt(struct cx18 *cx, enum v4l2_mpeg_stream_vbi_fmt fmt) +{ + if (!(cx->v4l2_cap & V4L2_CAP_SLICED_VBI_CAPTURE)) + return -EINVAL; + if (atomic_read(&cx->capturing) > 0) + return -EBUSY; + + /* First try to allocate sliced VBI buffers if needed. */ + if (fmt && cx->vbi.sliced_mpeg_data[0] == NULL) { + int i; + + for (i = 0; i < CX18_VBI_FRAMES; i++) { + /* Yuck, hardcoded. Needs to be a define */ + cx->vbi.sliced_mpeg_data[i] = kmalloc(2049, GFP_KERNEL); + if (cx->vbi.sliced_mpeg_data[i] == NULL) { + while (--i >= 0) { + kfree(cx->vbi.sliced_mpeg_data[i]); + cx->vbi.sliced_mpeg_data[i] = NULL; + } + return -ENOMEM; + } + } + } + + cx->vbi.insert_mpeg = fmt; + + if (cx->vbi.insert_mpeg == 0) + return 0; + /* Need sliced data for mpeg insertion */ + if (get_service_set(cx->vbi.sliced_in) == 0) { + if (cx->is_60hz) + cx->vbi.sliced_in->service_set = V4L2_SLICED_CAPTION_525; + else + cx->vbi.sliced_in->service_set = V4L2_SLICED_WSS_625; + expand_service_set(cx->vbi.sliced_in, cx->is_50hz); + } + return 0; +} + +int cx18_control_ioctls(struct cx18 *cx, unsigned int cmd, void *arg) +{ + struct v4l2_control ctrl; + + switch (cmd) { + case VIDIOC_QUERYMENU: + CX18_DEBUG_IOCTL("VIDIOC_QUERYMENU\n"); + return cx18_querymenu(cx, arg); + + case VIDIOC_QUERYCTRL: + return cx18_queryctrl(cx, arg); + + case VIDIOC_S_CTRL: + return cx18_s_ctrl(cx, arg); + + case VIDIOC_G_CTRL: + return cx18_g_ctrl(cx, arg); + + case VIDIOC_S_EXT_CTRLS: + { + struct v4l2_ext_controls *c = arg; + + if (c->ctrl_class == V4L2_CTRL_CLASS_USER) { + int i; + int err = 0; + + for (i = 0; i < c->count; i++) { + ctrl.id = c->controls[i].id; + ctrl.value = c->controls[i].value; + err = cx18_s_ctrl(cx, &ctrl); + c->controls[i].value = ctrl.value; + if (err) { + c->error_idx = i; + break; + } + } + return err; + } + CX18_DEBUG_IOCTL("VIDIOC_S_EXT_CTRLS\n"); + if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) { + struct cx2341x_mpeg_params p = cx->params; + int err = cx2341x_ext_ctrls(&p, atomic_read(&cx->capturing), arg, cmd); + + if (err) + return err; + + if (p.video_encoding != cx->params.video_encoding) { + int is_mpeg1 = p.video_encoding == + V4L2_MPEG_VIDEO_ENCODING_MPEG_1; + struct v4l2_format fmt; + + /* fix videodecoder resolution */ + fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + fmt.fmt.pix.width = cx->params.width / (is_mpeg1 ? 2 : 1); + fmt.fmt.pix.height = cx->params.height; + cx18_av_cmd(cx, VIDIOC_S_FMT, &fmt); + } + err = cx2341x_update(cx, cx18_api_func, &cx->params, &p); + if (!err && cx->params.stream_vbi_fmt != p.stream_vbi_fmt) + err = cx18_setup_vbi_fmt(cx, p.stream_vbi_fmt); + cx->params = p; + cx->dualwatch_stereo_mode = p.audio_properties & 0x0300; + cx18_audio_set_audio_clock_freq(cx, p.audio_properties & 0x03); + return err; + } + return -EINVAL; + } + + case VIDIOC_G_EXT_CTRLS: + { + struct v4l2_ext_controls *c = arg; + + if (c->ctrl_class == V4L2_CTRL_CLASS_USER) { + int i; + int err = 0; + + for (i = 0; i < c->count; i++) { + ctrl.id = c->controls[i].id; + ctrl.value = c->controls[i].value; + err = cx18_g_ctrl(cx, &ctrl); + c->controls[i].value = ctrl.value; + if (err) { + c->error_idx = i; + break; + } + } + return err; + } + CX18_DEBUG_IOCTL("VIDIOC_G_EXT_CTRLS\n"); + if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) + return cx2341x_ext_ctrls(&cx->params, 0, arg, cmd); + return -EINVAL; + } + + case VIDIOC_TRY_EXT_CTRLS: + { + struct v4l2_ext_controls *c = arg; + + CX18_DEBUG_IOCTL("VIDIOC_TRY_EXT_CTRLS\n"); + if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) + return cx2341x_ext_ctrls(&cx->params, + atomic_read(&cx->capturing), arg, cmd); + return -EINVAL; + } + + default: + return -EINVAL; + } + return 0; +} diff --git a/drivers/media/video/cx18/cx18-controls.h b/drivers/media/video/cx18/cx18-controls.h new file mode 100644 index 0000000..6e985cf --- /dev/null +++ b/drivers/media/video/cx18/cx18-controls.h @@ -0,0 +1,24 @@ +/* + * cx18 ioctl control functions + * + * Derived from ivtv-controls.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +int cx18_control_ioctls(struct cx18 *cx, unsigned int cmd, void *arg); diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c new file mode 100644 index 0000000..9f31bef --- /dev/null +++ b/drivers/media/video/cx18/cx18-driver.c @@ -0,0 +1,971 @@ +/* + * cx18 driver initialization and card probing + * + * Derived from ivtv-driver.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-version.h" +#include "cx18-cards.h" +#include "cx18-i2c.h" +#include "cx18-irq.h" +#include "cx18-gpio.h" +#include "cx18-firmware.h" +#include "cx18-streams.h" +#include "cx18-av-core.h" +#include "cx18-scb.h" +#include "cx18-mailbox.h" +#include "cx18-ioctl.h" +#include "tuner-xc2028.h" + +#include <media/tveeprom.h> + + +/* var to keep track of the number of array elements in use */ +int cx18_cards_active; + +/* If you have already X v4l cards, then set this to X. This way + the device numbers stay matched. Example: you have a WinTV card + without radio and a Compro H900 with. Normally this would give a + video1 device together with a radio0 device for the Compro. By + setting this to 1 you ensure that radio0 is now also radio1. */ +int cx18_first_minor; + +/* Master variable for all cx18 info */ +struct cx18 *cx18_cards[CX18_MAX_CARDS]; + +/* Protects cx18_cards_active */ +DEFINE_SPINLOCK(cx18_cards_lock); + +/* add your revision and whatnot here */ +static struct pci_device_id cx18_pci_tbl[] __devinitdata = { + {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {0,} +}; + +MODULE_DEVICE_TABLE(pci, cx18_pci_tbl); + +/* Parameter declarations */ +static int cardtype[CX18_MAX_CARDS]; +static int tuner[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1 }; +static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1 }; + +static int cardtype_c = 1; +static int tuner_c = 1; +static int radio_c = 1; +static char pal[] = "--"; +static char secam[] = "--"; +static char ntsc[] = "-"; + +/* Buffers */ +static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS; +static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS; +static int enc_yuv_buffers = CX18_DEFAULT_ENC_YUV_BUFFERS; +static int enc_vbi_buffers = CX18_DEFAULT_ENC_VBI_BUFFERS; +static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS; + +static int cx18_pci_latency = 1; + +int cx18_debug; + +module_param_array(tuner, int, &tuner_c, 0644); +module_param_array(radio, bool, &radio_c, 0644); +module_param_array(cardtype, int, &cardtype_c, 0644); +module_param_string(pal, pal, sizeof(pal), 0644); +module_param_string(secam, secam, sizeof(secam), 0644); +module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); +module_param_named(debug, cx18_debug, int, 0644); +module_param(cx18_pci_latency, int, 0644); +module_param(cx18_first_minor, int, 0644); + +module_param(enc_mpg_buffers, int, 0644); +module_param(enc_ts_buffers, int, 0644); +module_param(enc_yuv_buffers, int, 0644); +module_param(enc_vbi_buffers, int, 0644); +module_param(enc_pcm_buffers, int, 0644); + +MODULE_PARM_DESC(tuner, "Tuner type selection,\n" + "\t\t\tsee tuner.h for values"); +MODULE_PARM_DESC(radio, + "Enable or disable the radio. Use only if autodetection\n" + "\t\t\tfails. 0 = disable, 1 = enable"); +MODULE_PARM_DESC(cardtype, + "Only use this option if your card is not detected properly.\n" + "\t\tSpecify card type:\n" + "\t\t\t 1 = Hauppauge HVR 1600 (ESMT memory)\n" + "\t\t\t 2 = Hauppauge HVR 1600 (Samsung memory)\n" + "\t\t\t 3 = Compro VideoMate H900\n" + "\t\t\t 4 = Yuan MPC718\n" + "\t\t\t 0 = Autodetect (default)\n" + "\t\t\t-1 = Ignore this card\n\t\t"); +MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60"); +MODULE_PARM_DESC(secam, "Set SECAM standard: B, G, H, D, K, L, LC"); +MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J, K"); +MODULE_PARM_DESC(debug, + "Debug level (bitmask). Default: 0\n" + "\t\t\t 1/0x0001: warning\n" + "\t\t\t 2/0x0002: info\n" + "\t\t\t 4/0x0004: mailbox\n" + "\t\t\t 8/0x0008: dma\n" + "\t\t\t 16/0x0010: ioctl\n" + "\t\t\t 32/0x0020: file\n" + "\t\t\t 64/0x0040: i2c\n" + "\t\t\t128/0x0080: irq\n" + "\t\t\t256/0x0100: high volume\n"); +MODULE_PARM_DESC(cx18_pci_latency, + "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n" + "\t\t\tDefault: Yes"); +MODULE_PARM_DESC(enc_mpg_buffers, + "Encoder MPG Buffers (in MB)\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS)); +MODULE_PARM_DESC(enc_ts_buffers, + "Encoder TS Buffers (in MB)\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFFERS)); +MODULE_PARM_DESC(enc_yuv_buffers, + "Encoder YUV Buffers (in MB)\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFFERS)); +MODULE_PARM_DESC(enc_vbi_buffers, + "Encoder VBI Buffers (in MB)\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_VBI_BUFFERS)); +MODULE_PARM_DESC(enc_pcm_buffers, + "Encoder PCM buffers (in MB)\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS)); + +MODULE_PARM_DESC(cx18_first_minor, "Set minor assigned to first card"); + +MODULE_AUTHOR("Hans Verkuil"); +MODULE_DESCRIPTION("CX23418 driver"); +MODULE_SUPPORTED_DEVICE("CX23418 MPEG2 encoder"); +MODULE_LICENSE("GPL"); + +MODULE_VERSION(CX18_VERSION); + +int cx18_waitq(wait_queue_head_t *waitq) +{ + DEFINE_WAIT(wait); + + prepare_to_wait(waitq, &wait, TASK_INTERRUPTIBLE); + schedule(); + finish_wait(waitq, &wait); + return signal_pending(current) ? -EINTR : 0; +} + +/* Generic utility functions */ +int cx18_msleep_timeout(unsigned int msecs, int intr) +{ + int timeout = msecs_to_jiffies(msecs); + int sig; + + do { + set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE); + timeout = schedule_timeout(timeout); + sig = intr ? signal_pending(current) : 0; + } while (!sig && timeout); + return sig; +} + +/* Release ioremapped memory */ +static void cx18_iounmap(struct cx18 *cx) +{ + if (cx == NULL) + return; + + /* Release io memory */ + if (cx->enc_mem != NULL) { + CX18_DEBUG_INFO("releasing enc_mem\n"); + iounmap(cx->enc_mem); + cx->enc_mem = NULL; + } +} + +/* Hauppauge card? get values from tveeprom */ +void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv) +{ + u8 eedata[256]; + + cx->i2c_client[0].addr = 0xA0 >> 1; + tveeprom_read(&cx->i2c_client[0], eedata, sizeof(eedata)); + tveeprom_hauppauge_analog(&cx->i2c_client[0], tv, eedata); +} + +static void cx18_process_eeprom(struct cx18 *cx) +{ + struct tveeprom tv; + + cx18_read_eeprom(cx, &tv); + + /* Many thanks to Steven Toth from Hauppauge for providing the + model numbers */ + switch (tv.model) { + case 74000 ... 74099: + cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); + break; + case 74700 ... 74799: + cx->card = cx18_get_card(CX18_CARD_HVR_1600_SAMSUNG); + break; + case 0: + CX18_ERR("Invalid EEPROM\n"); + return; + default: + CX18_ERR("Unknown model %d, defaulting to HVR-1600\n", tv.model); + cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); + break; + } + + cx->v4l2_cap = cx->card->v4l2_capabilities; + cx->card_name = cx->card->name; + cx->card_i2c = cx->card->i2c; + + CX18_INFO("Autodetected %s\n", cx->card_name); + + if (tv.tuner_type == TUNER_ABSENT) + CX18_ERR("tveeprom cannot autodetect tuner!"); + + if (cx->options.tuner == -1) + cx->options.tuner = tv.tuner_type; + if (cx->options.radio == -1) + cx->options.radio = (tv.has_radio != 0); + + if (cx->std != 0) + /* user specified tuner standard */ + return; + + /* autodetect tuner standard */ + if (tv.tuner_formats & V4L2_STD_PAL) { + CX18_DEBUG_INFO("PAL tuner detected\n"); + cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H; + } else if (tv.tuner_formats & V4L2_STD_NTSC) { + CX18_DEBUG_INFO("NTSC tuner detected\n"); + cx->std |= V4L2_STD_NTSC_M; + } else if (tv.tuner_formats & V4L2_STD_SECAM) { + CX18_DEBUG_INFO("SECAM tuner detected\n"); + cx->std |= V4L2_STD_SECAM_L; + } else { + CX18_INFO("No tuner detected, default to NTSC-M\n"); + cx->std |= V4L2_STD_NTSC_M; + } +} + +static v4l2_std_id cx18_parse_std(struct cx18 *cx) +{ + switch (pal[0]) { + case '6': + return V4L2_STD_PAL_60; + case 'b': + case 'B': + case 'g': + case 'G': + return V4L2_STD_PAL_BG; + case 'h': + case 'H': + return V4L2_STD_PAL_H; + case 'n': + case 'N': + if (pal[1] == 'c' || pal[1] == 'C') + return V4L2_STD_PAL_Nc; + return V4L2_STD_PAL_N; + case 'i': + case 'I': + return V4L2_STD_PAL_I; + case 'd': + case 'D': + case 'k': + case 'K': + return V4L2_STD_PAL_DK; + case 'M': + case 'm': + return V4L2_STD_PAL_M; + case '-': + break; + default: + CX18_WARN("pal= argument not recognised\n"); + return 0; + } + + switch (secam[0]) { + case 'b': + case 'B': + case 'g': + case 'G': + case 'h': + case 'H': + return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; + case 'd': + case 'D': + case 'k': + case 'K': + return V4L2_STD_SECAM_DK; + case 'l': + case 'L': + if (secam[1] == 'C' || secam[1] == 'c') + return V4L2_STD_SECAM_LC; + return V4L2_STD_SECAM_L; + case '-': + break; + default: + CX18_WARN("secam= argument not recognised\n"); + return 0; + } + + switch (ntsc[0]) { + case 'm': + case 'M': + return V4L2_STD_NTSC_M; + case 'j': + case 'J': + return V4L2_STD_NTSC_M_JP; + case 'k': + case 'K': + return V4L2_STD_NTSC_M_KR; + case '-': + break; + default: + CX18_WARN("ntsc= argument not recognised\n"); + return 0; + } + + /* no match found */ + return 0; +} + +static void cx18_process_options(struct cx18 *cx) +{ + int i, j; + + cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers; + cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers; + cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers; + cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers; + cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers; + cx->options.cardtype = cardtype[cx->num]; + cx->options.tuner = tuner[cx->num]; + cx->options.radio = radio[cx->num]; + + cx->std = cx18_parse_std(cx); + if (cx->options.cardtype == -1) { + CX18_INFO("Ignore card\n"); + return; + } + cx->card = cx18_get_card(cx->options.cardtype - 1); + if (cx->card) + CX18_INFO("User specified %s card\n", cx->card->name); + else if (cx->options.cardtype != 0) + CX18_ERR("Unknown user specified type, trying to autodetect card\n"); + if (cx->card == NULL) { + if (cx->dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) { + cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); + CX18_INFO("Autodetected Hauppauge card\n"); + } + } + if (cx->card == NULL) { + for (i = 0; (cx->card = cx18_get_card(i)); i++) { + if (cx->card->pci_list == NULL) + continue; + for (j = 0; cx->card->pci_list[j].device; j++) { + if (cx->dev->device != + cx->card->pci_list[j].device) + continue; + if (cx->dev->subsystem_vendor != + cx->card->pci_list[j].subsystem_vendor) + continue; + if (cx->dev->subsystem_device != + cx->card->pci_list[j].subsystem_device) + continue; + CX18_INFO("Autodetected %s card\n", cx->card->name); + goto done; + } + } + } +done: + + if (cx->card == NULL) { + cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); + CX18_ERR("Unknown card: vendor/device: %04x/%04x\n", + cx->dev->vendor, cx->dev->device); + CX18_ERR(" subsystem vendor/device: %04x/%04x\n", + cx->dev->subsystem_vendor, cx->dev->subsystem_device); + CX18_ERR("Defaulting to %s card\n", cx->card->name); + CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n"); + CX18_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n"); + CX18_ERR("Prefix your subject line with [UNKNOWN CX18 CARD].\n"); + } + cx->v4l2_cap = cx->card->v4l2_capabilities; + cx->card_name = cx->card->name; + cx->card_i2c = cx->card->i2c; +} + +/* Precondition: the cx18 structure has been memset to 0. Only + the dev and num fields have been filled in. + No assumptions on the card type may be made here (see cx18_init_struct2 + for that). + */ +static int __devinit cx18_init_struct1(struct cx18 *cx) +{ + cx->base_addr = pci_resource_start(cx->dev, 0); + + mutex_init(&cx->serialize_lock); + mutex_init(&cx->i2c_bus_lock[0]); + mutex_init(&cx->i2c_bus_lock[1]); + + spin_lock_init(&cx->lock); + spin_lock_init(&cx->dma_reg_lock); + + /* start counting open_id at 1 */ + cx->open_id = 1; + + /* Initial settings */ + cx2341x_fill_defaults(&cx->params); + cx->temporal_strength = cx->params.video_temporal_filter; + cx->spatial_strength = cx->params.video_spatial_filter; + cx->filter_mode = cx->params.video_spatial_filter_mode | + (cx->params.video_temporal_filter_mode << 1) | + (cx->params.video_median_filter_type << 2); + cx->params.port = CX2341X_PORT_MEMORY; + cx->params.capabilities = CX2341X_CAP_HAS_SLICED_VBI; + init_waitqueue_head(&cx->cap_w); + init_waitqueue_head(&cx->mb_apu_waitq); + init_waitqueue_head(&cx->mb_cpu_waitq); + init_waitqueue_head(&cx->mb_epu_waitq); + init_waitqueue_head(&cx->mb_hpu_waitq); + init_waitqueue_head(&cx->dma_waitq); + + /* VBI */ + cx->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE; + cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced; + cx->vbi.raw_size = 1456; + cx->vbi.raw_decoder_line_size = 1456; + cx->vbi.raw_decoder_sav_odd_field = 0x20; + cx->vbi.raw_decoder_sav_even_field = 0x60; + cx->vbi.sliced_decoder_line_size = 272; + cx->vbi.sliced_decoder_sav_odd_field = 0xB0; + cx->vbi.sliced_decoder_sav_even_field = 0xF0; + return 0; +} + +/* Second initialization part. Here the card type has been + autodetected. */ +static void __devinit cx18_init_struct2(struct cx18 *cx) +{ + int i; + + for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS; i++) + if (cx->card->video_inputs[i].video_type == 0) + break; + cx->nof_inputs = i; + for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS; i++) + if (cx->card->audio_inputs[i].audio_type == 0) + break; + cx->nof_audio_inputs = i; + + /* Find tuner input */ + for (i = 0; i < cx->nof_inputs; i++) { + if (cx->card->video_inputs[i].video_type == + CX18_CARD_INPUT_VID_TUNER) + break; + } + if (i == cx->nof_inputs) + i = 0; + cx->active_input = i; + cx->audio_input = cx->card->video_inputs[i].audio_index; + cx->av_state.vid_input = CX18_AV_COMPOSITE7; + cx->av_state.aud_input = CX18_AV_AUDIO8; + cx->av_state.audclk_freq = 48000; + cx->av_state.audmode = V4L2_TUNER_MODE_LANG1; + cx->av_state.vbi_line_offset = 8; +} + +static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev, + const struct pci_device_id *pci_id) +{ + u16 cmd; + unsigned char pci_latency; + + CX18_DEBUG_INFO("Enabling pci device\n"); + + if (pci_enable_device(dev)) { + CX18_ERR("Can't enable device %d!\n", cx->num); + return -EIO; + } + if (pci_set_dma_mask(dev, 0xffffffff)) { + CX18_ERR("No suitable DMA available on card %d.\n", cx->num); + return -EIO; + } + if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) { + CX18_ERR("Cannot request encoder memory region on card %d.\n", cx->num); + return -EIO; + } + + /* Check for bus mastering */ + pci_read_config_word(dev, PCI_COMMAND, &cmd); + cmd |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; + pci_write_config_word(dev, PCI_COMMAND, cmd); + + pci_read_config_byte(dev, PCI_CLASS_REVISION, &cx->card_rev); + pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency); + + if (pci_latency < 64 && cx18_pci_latency) { + CX18_INFO("Unreasonably low latency timer, " + "setting to 64 (was %d)\n", pci_latency); + pci_write_config_byte(dev, PCI_LATENCY_TIMER, 64); + pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency); + } + /* This config space value relates to DMA latencies. The + default value 0x8080 is too low however and will lead + to DMA errors. 0xffff is the max value which solves + these problems. */ + pci_write_config_dword(dev, 0x40, 0xffff); + + CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, " + "irq: %d, latency: %d, memory: 0x%lx\n", + cx->dev->device, cx->card_rev, dev->bus->number, + PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn), + cx->dev->irq, pci_latency, (unsigned long)cx->base_addr); + + return 0; +} + +static u32 cx18_request_module(struct cx18 *cx, u32 hw, + const char *name, u32 id) +{ + if ((hw & id) == 0) + return hw; + if (request_module(name) != 0) { + CX18_ERR("Failed to load module %s\n", name); + return hw & ~id; + } + CX18_DEBUG_INFO("Loaded module %s\n", name); + return hw; +} + +static void cx18_load_and_init_modules(struct cx18 *cx) +{ + u32 hw = cx->card->hw_all; + int i; + + /* load modules */ +#ifndef CONFIG_VIDEO_TUNER + hw = cx18_request_module(cx, hw, "tuner", CX18_HW_TUNER); +#endif +#ifndef CONFIG_VIDEO_CS5345 + hw = cx18_request_module(cx, hw, "cs5345", CX18_HW_CS5345); +#endif + + /* check which i2c devices are actually found */ + for (i = 0; i < 32; i++) { + u32 device = 1 << i; + + if (!(device & hw)) + continue; + if (device == CX18_HW_GPIO || device == CX18_HW_TVEEPROM || + device == CX18_HW_CX23418 || device == CX18_HW_DVB) { + /* These 'devices' do not use i2c probing */ + cx->hw_flags |= device; + continue; + } + cx18_i2c_register(cx, i); + if (cx18_i2c_hw_addr(cx, device) > 0) + cx->hw_flags |= device; + } + + hw = cx->hw_flags; +} + +static int __devinit cx18_probe(struct pci_dev *dev, + const struct pci_device_id *pci_id) +{ + int retval = 0; + int vbi_buf_size; + u32 devtype; + struct cx18 *cx; + + spin_lock(&cx18_cards_lock); + + /* Make sure we've got a place for this card */ + if (cx18_cards_active == CX18_MAX_CARDS) { + printk(KERN_ERR "cx18: Maximum number of cards detected (%d).\n", + cx18_cards_active); + spin_unlock(&cx18_cards_lock); + return -ENOMEM; + } + + cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC); + if (cx == 0) { + spin_unlock(&cx18_cards_lock); + return -ENOMEM; + } + cx18_cards[cx18_cards_active] = cx; + cx->dev = dev; + cx->num = cx18_cards_active++; + snprintf(cx->name, sizeof(cx->name) - 1, "cx18-%d", cx->num); + CX18_INFO("Initializing card #%d\n", cx->num); + + spin_unlock(&cx18_cards_lock); + + cx18_process_options(cx); + if (cx->options.cardtype == -1) { + retval = -ENODEV; + goto err; + } + if (cx18_init_struct1(cx)) { + retval = -ENOMEM; + goto err; + } + + CX18_DEBUG_INFO("base addr: 0x%08x\n", cx->base_addr); + + /* PCI Device Setup */ + retval = cx18_setup_pci(cx, dev, pci_id); + if (retval != 0) { + if (retval == -EIO) + goto free_workqueue; + else if (retval == -ENXIO) + goto free_mem; + } + /* save cx in the pci struct for later use */ + pci_set_drvdata(dev, cx); + + /* map io memory */ + CX18_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n", + cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE); + cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET, + CX18_MEM_SIZE); + if (!cx->enc_mem) { + CX18_ERR("ioremap failed, perhaps increasing __VMALLOC_RESERVE in page.h\n"); + CX18_ERR("or disabling CONFIG_HIGHMEM4G into the kernel would help\n"); + retval = -ENOMEM; + goto free_mem; + } + cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET; + devtype = read_reg(0xC72028); + switch (devtype & 0xff000000) { + case 0xff000000: + CX18_INFO("cx23418 revision %08x (A)\n", devtype); + break; + case 0x01000000: + CX18_INFO("cx23418 revision %08x (B)\n", devtype); + break; + default: + CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype); + break; + } + + cx18_init_power(cx, 1); + cx18_init_memory(cx); + + cx->scb = (struct cx18_scb *)(cx->enc_mem + SCB_OFFSET); + cx18_init_scb(cx); + + cx18_gpio_init(cx); + + /* active i2c */ + CX18_DEBUG_INFO("activating i2c...\n"); + if (init_cx18_i2c(cx)) { + CX18_ERR("Could not initialize i2c\n"); + goto free_map; + } + + CX18_DEBUG_INFO("Active card count: %d.\n", cx18_cards_active); + + if (cx->card->hw_all & CX18_HW_TVEEPROM) { + /* Based on the model number the cardtype may be changed. + The PCI IDs are not always reliable. */ + cx18_process_eeprom(cx); + } + if (cx->card->comment) + CX18_INFO("%s", cx->card->comment); + if (cx->card->v4l2_capabilities == 0) { + retval = -ENODEV; + goto free_i2c; + } + cx18_init_memory(cx); + + /* Register IRQ */ + retval = request_irq(cx->dev->irq, cx18_irq_handler, + IRQF_SHARED | IRQF_DISABLED, cx->name, (void *)cx); + if (retval) { + CX18_ERR("Failed to register irq %d\n", retval); + goto free_i2c; + } + + if (cx->std == 0) + cx->std = V4L2_STD_NTSC_M; + + if (cx->options.tuner == -1) { + int i; + + for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) { + if ((cx->std & cx->card->tuners[i].std) == 0) + continue; + cx->options.tuner = cx->card->tuners[i].tuner; + break; + } + } + /* if no tuner was found, then pick the first tuner in the card list */ + if (cx->options.tuner == -1 && cx->card->tuners[0].std) { + cx->std = cx->card->tuners[0].std; + cx->options.tuner = cx->card->tuners[0].tuner; + } + if (cx->options.radio == -1) + cx->options.radio = (cx->card->radio_input.audio_type != 0); + + /* The card is now fully identified, continue with card-specific + initialization. */ + cx18_init_struct2(cx); + + cx18_load_and_init_modules(cx); + + if (cx->std & V4L2_STD_525_60) { + cx->is_60hz = 1; + cx->is_out_60hz = 1; + } else { + cx->is_50hz = 1; + cx->is_out_50hz = 1; + } + cx->params.video_gop_size = cx->is_60hz ? 15 : 12; + + cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = 0x08000; + cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = 0x08000; + cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = 0x01200; + cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = 0x20000; + vbi_buf_size = cx->vbi.raw_size * (cx->is_60hz ? 24 : 36) / 2; + cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_buf_size; + + if (cx->options.radio > 0) + cx->v4l2_cap |= V4L2_CAP_RADIO; + + retval = cx18_streams_setup(cx); + if (retval) { + CX18_ERR("Error %d setting up streams\n", retval); + goto free_irq; + } + retval = cx18_streams_register(cx); + if (retval) { + CX18_ERR("Error %d registering devices\n", retval); + goto free_streams; + } + + if (cx->options.tuner > -1) { + struct tuner_setup setup; + + setup.addr = ADDR_UNSET; + setup.type = cx->options.tuner; + setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */ + setup.tuner_callback = (setup.type == TUNER_XC2028) ? + cx18_reset_tuner_gpio : NULL; + cx18_call_i2c_clients(cx, TUNER_SET_TYPE_ADDR, &setup); + if (setup.type == TUNER_XC2028) { + static struct xc2028_ctrl ctrl = { + .fname = XC2028_DEFAULT_FIRMWARE, + .max_len = 64, + }; + struct v4l2_priv_tun_config cfg = { + .tuner = cx->options.tuner, + .priv = &ctrl, + }; + cx18_call_i2c_clients(cx, TUNER_SET_CONFIG, &cfg); + } + } + + /* The tuner is fixed to the standard. The other inputs (e.g. S-Video) + are not. */ + cx->tuner_std = cx->std; + + cx18_init_on_first_open(cx); + + CX18_INFO("Initialized card #%d: %s\n", cx->num, cx->card_name); + + return 0; + +free_streams: + cx18_streams_cleanup(cx); +free_irq: + free_irq(cx->dev->irq, (void *)cx); +free_i2c: + exit_cx18_i2c(cx); +free_map: + cx18_iounmap(cx); +free_mem: + release_mem_region(cx->base_addr, CX18_MEM_SIZE); +free_workqueue: +err: + if (retval == 0) + retval = -ENODEV; + CX18_ERR("Error %d on initialization\n", retval); + + kfree(cx18_cards[cx18_cards_active]); + cx18_cards[cx18_cards_active] = NULL; + return retval; +} + +int cx18_init_on_first_open(struct cx18 *cx) +{ + int video_input; + int fw_retry_count = 3; + struct v4l2_frequency vf; + + if (test_bit(CX18_F_I_FAILED, &cx->i_flags)) + return -ENXIO; + + if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags)) + return 0; + + while (--fw_retry_count > 0) { + /* load firmware */ + if (cx18_firmware_init(cx) == 0) + break; + if (fw_retry_count > 1) + CX18_WARN("Retry loading firmware\n"); + } + + if (fw_retry_count == 0) { + set_bit(CX18_F_I_FAILED, &cx->i_flags); + return -ENXIO; + } + set_bit(CX18_F_I_LOADED_FW, &cx->i_flags); + + /* Init the firmware twice to work around a silicon bug + * transport related. */ + + fw_retry_count = 3; + while (--fw_retry_count > 0) { + /* load firmware */ + if (cx18_firmware_init(cx) == 0) + break; + if (fw_retry_count > 1) + CX18_WARN("Retry loading firmware\n"); + } + + if (fw_retry_count == 0) { + set_bit(CX18_F_I_FAILED, &cx->i_flags); + return -ENXIO; + } + + vf.tuner = 0; + vf.type = V4L2_TUNER_ANALOG_TV; + vf.frequency = 6400; /* the tuner 'baseline' frequency */ + + /* Set initial frequency. For PAL/SECAM broadcasts no + 'default' channel exists AFAIK. */ + if (cx->std == V4L2_STD_NTSC_M_JP) + vf.frequency = 1460; /* ch. 1 91250*16/1000 */ + else if (cx->std & V4L2_STD_NTSC_M) + vf.frequency = 1076; /* ch. 4 67250*16/1000 */ + + video_input = cx->active_input; + cx->active_input++; /* Force update of input */ + cx18_v4l2_ioctls(cx, NULL, VIDIOC_S_INPUT, &video_input); + + /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code + in one place. */ + cx->std++; /* Force full standard initialization */ + cx18_v4l2_ioctls(cx, NULL, VIDIOC_S_STD, &cx->tuner_std); + cx18_v4l2_ioctls(cx, NULL, VIDIOC_S_FREQUENCY, &vf); + return 0; +} + +static void cx18_remove(struct pci_dev *pci_dev) +{ + struct cx18 *cx = pci_get_drvdata(pci_dev); + + CX18_DEBUG_INFO("Removing Card #%d\n", cx->num); + + /* Stop all captures */ + CX18_DEBUG_INFO("Stopping all streams\n"); + if (atomic_read(&cx->capturing) > 0) + cx18_stop_all_captures(cx); + + /* Interrupts */ + sw1_irq_disable(IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); + sw2_irq_disable(IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); + + cx18_halt_firmware(cx); + + cx18_streams_cleanup(cx); + + exit_cx18_i2c(cx); + + free_irq(cx->dev->irq, (void *)cx); + + if (cx->dev) + cx18_iounmap(cx); + + release_mem_region(cx->base_addr, CX18_MEM_SIZE); + + pci_disable_device(cx->dev); + + CX18_INFO("Removed %s, card #%d\n", cx->card_name, cx->num); +} + +/* define a pci_driver for card detection */ +static struct pci_driver cx18_pci_driver = { + .name = "cx18", + .id_table = cx18_pci_tbl, + .probe = cx18_probe, + .remove = cx18_remove, +}; + +static int module_start(void) +{ + printk(KERN_INFO "cx18: Start initialization, version %s\n", CX18_VERSION); + + memset(cx18_cards, 0, sizeof(cx18_cards)); + + /* Validate parameters */ + if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) { + printk(KERN_ERR "cx18: Exiting, ivtv_first_minor must be between 0 and %d\n", + CX18_MAX_CARDS - 1); + return -1; + } + + if (cx18_debug < 0 || cx18_debug > 511) { + cx18_debug = 0; + printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n"); + } + + if (pci_register_driver(&cx18_pci_driver)) { + printk(KERN_ERR "cx18: Error detecting PCI card\n"); + return -ENODEV; + } + printk(KERN_INFO "cx18: End initialization\n"); + return 0; +} + +static void module_cleanup(void) +{ + int i; + + pci_unregister_driver(&cx18_pci_driver); + + for (i = 0; i < cx18_cards_active; i++) { + if (cx18_cards[i] == NULL) + continue; + kfree(cx18_cards[i]); + } +} + +module_init(module_start); +module_exit(module_cleanup); diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h new file mode 100644 index 0000000..2ee9391 --- /dev/null +++ b/drivers/media/video/cx18/cx18-driver.h @@ -0,0 +1,500 @@ +/* + * cx18 driver internal defines and structures + * + * Derived from ivtv-driver.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#ifndef CX18_DRIVER_H +#define CX18_DRIVER_H + +#include <linux/version.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/sched.h> +#include <linux/fs.h> +#include <linux/pci.h> +#include <linux/interrupt.h> +#include <linux/spinlock.h> +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> +#include <linux/list.h> +#include <linux/unistd.h> +#include <linux/byteorder/swab.h> +#include <linux/pagemap.h> +#include <linux/workqueue.h> +#include <linux/mutex.h> + +#include <linux/dvb/video.h> +#include <linux/dvb/audio.h> +#include <media/v4l2-common.h> +#include <media/tuner.h> +#include "cx18-mailbox.h" +#include "cx18-av-core.h" +#include "cx23418.h" + +/* DVB */ +#include "demux.h" +#include "dmxdev.h" +#include "dvb_demux.h" +#include "dvb_frontend.h" +#include "dvb_net.h" +#include "dvbdev.h" + +#ifndef CONFIG_PCI +# error "This driver requires kernel PCI support." +#endif + +#define CX18_MEM_OFFSET 0x00000000 +#define CX18_MEM_SIZE 0x04000000 +#define CX18_REG_OFFSET 0x02000000 + +/* Maximum cx18 driver instances. */ +#define CX18_MAX_CARDS 32 + +/* Supported cards */ +#define CX18_CARD_HVR_1600_ESMT 0 /* Hauppauge HVR 1600 (ESMT memory) */ +#define CX18_CARD_HVR_1600_SAMSUNG 1 /* Hauppauge HVR 1600 (Samsung memory) */ +#define CX18_CARD_COMPRO_H900 2 /* Compro VideoMate H900 */ +#define CX18_CARD_YUAN_MPC718 3 /* Yuan MPC718 */ +#define CX18_CARD_LAST 3 + +#define CX18_ENC_STREAM_TYPE_MPG 0 +#define CX18_ENC_STREAM_TYPE_TS 1 +#define CX18_ENC_STREAM_TYPE_YUV 2 +#define CX18_ENC_STREAM_TYPE_VBI 3 +#define CX18_ENC_STREAM_TYPE_PCM 4 +#define CX18_ENC_STREAM_TYPE_IDX 5 +#define CX18_ENC_STREAM_TYPE_RAD 6 +#define CX18_MAX_STREAMS 7 + +/* system vendor and device IDs */ +#define PCI_VENDOR_ID_CX 0x14f1 +#define PCI_DEVICE_ID_CX23418 0x5b7a + +/* subsystem vendor ID */ +#define CX18_PCI_ID_HAUPPAUGE 0x0070 +#define CX18_PCI_ID_COMPRO 0x185b +#define CX18_PCI_ID_YUAN 0x12ab + +/* ======================================================================== */ +/* ========================== START USER SETTABLE DMA VARIABLES =========== */ +/* ======================================================================== */ + +/* DMA Buffers, Default size in MB allocated */ +#define CX18_DEFAULT_ENC_TS_BUFFERS 1 +#define CX18_DEFAULT_ENC_MPG_BUFFERS 2 +#define CX18_DEFAULT_ENC_IDX_BUFFERS 1 +#define CX18_DEFAULT_ENC_YUV_BUFFERS 2 +#define CX18_DEFAULT_ENC_VBI_BUFFERS 1 +#define CX18_DEFAULT_ENC_PCM_BUFFERS 1 + +/* i2c stuff */ +#define I2C_CLIENTS_MAX 16 + +/* debugging */ + +/* Flag to turn on high volume debugging */ +#define CX18_DBGFLG_WARN (1 << 0) +#define CX18_DBGFLG_INFO (1 << 1) +#define CX18_DBGFLG_API (1 << 2) +#define CX18_DBGFLG_DMA (1 << 3) +#define CX18_DBGFLG_IOCTL (1 << 4) +#define CX18_DBGFLG_FILE (1 << 5) +#define CX18_DBGFLG_I2C (1 << 6) +#define CX18_DBGFLG_IRQ (1 << 7) +/* Flag to turn on high volume debugging */ +#define CX18_DBGFLG_HIGHVOL (1 << 8) + +/* NOTE: extra space before comma in 'cx->num , ## args' is required for + gcc-2.95, otherwise it won't compile. */ +#define CX18_DEBUG(x, type, fmt, args...) \ + do { \ + if ((x) & cx18_debug) \ + printk(KERN_INFO "cx18-%d " type ": " fmt, cx->num , ## args); \ + } while (0) +#define CX18_DEBUG_WARN(fmt, args...) CX18_DEBUG(CX18_DBGFLG_WARN, "warning", fmt , ## args) +#define CX18_DEBUG_INFO(fmt, args...) CX18_DEBUG(CX18_DBGFLG_INFO, "info", fmt , ## args) +#define CX18_DEBUG_API(fmt, args...) CX18_DEBUG(CX18_DBGFLG_API, "api", fmt , ## args) +#define CX18_DEBUG_DMA(fmt, args...) CX18_DEBUG(CX18_DBGFLG_DMA, "dma", fmt , ## args) +#define CX18_DEBUG_IOCTL(fmt, args...) CX18_DEBUG(CX18_DBGFLG_IOCTL, "ioctl", fmt , ## args) +#define CX18_DEBUG_FILE(fmt, args...) CX18_DEBUG(CX18_DBGFLG_FILE, "file", fmt , ## args) +#define CX18_DEBUG_I2C(fmt, args...) CX18_DEBUG(CX18_DBGFLG_I2C, "i2c", fmt , ## args) +#define CX18_DEBUG_IRQ(fmt, args...) CX18_DEBUG(CX18_DBGFLG_IRQ, "irq", fmt , ## args) + +#define CX18_DEBUG_HIGH_VOL(x, type, fmt, args...) \ + do { \ + if (((x) & cx18_debug) && (cx18_debug & CX18_DBGFLG_HIGHVOL)) \ + printk(KERN_INFO "cx18%d " type ": " fmt, cx->num , ## args); \ + } while (0) +#define CX18_DEBUG_HI_WARN(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_WARN, "warning", fmt , ## args) +#define CX18_DEBUG_HI_INFO(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_INFO, "info", fmt , ## args) +#define CX18_DEBUG_HI_API(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_API, "api", fmt , ## args) +#define CX18_DEBUG_HI_DMA(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_DMA, "dma", fmt , ## args) +#define CX18_DEBUG_HI_IOCTL(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_IOCTL, "ioctl", fmt , ## args) +#define CX18_DEBUG_HI_FILE(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_FILE, "file", fmt , ## args) +#define CX18_DEBUG_HI_I2C(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_I2C, "i2c", fmt , ## args) +#define CX18_DEBUG_HI_IRQ(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_IRQ, "irq", fmt , ## args) + +/* Standard kernel messages */ +#define CX18_ERR(fmt, args...) printk(KERN_ERR "cx18-%d: " fmt, cx->num , ## args) +#define CX18_WARN(fmt, args...) printk(KERN_WARNING "cx18-%d: " fmt, cx->num , ## args) +#define CX18_INFO(fmt, args...) printk(KERN_INFO "cx18-%d: " fmt, cx->num , ## args) + +/* Values for CX18_API_DEC_PLAYBACK_SPEED mpeg_frame_type_mask parameter: */ +#define MPEG_FRAME_TYPE_IFRAME 1 +#define MPEG_FRAME_TYPE_IFRAME_PFRAME 3 +#define MPEG_FRAME_TYPE_ALL 7 + +#define CX18_MAX_PGM_INDEX (400) + +extern int cx18_debug; + + +struct cx18_options { + int megabytes[CX18_MAX_STREAMS]; /* Size in megabytes of each stream */ + int cardtype; /* force card type on load */ + int tuner; /* set tuner on load */ + int radio; /* enable/disable radio */ +}; + +/* per-buffer bit flags */ +#define CX18_F_B_NEED_BUF_SWAP 0 /* this buffer should be byte swapped */ + +/* per-stream, s_flags */ +#define CX18_F_S_CLAIMED 3 /* this stream is claimed */ +#define CX18_F_S_STREAMING 4 /* the fw is decoding/encoding this stream */ +#define CX18_F_S_INTERNAL_USE 5 /* this stream is used internally (sliced VBI processing) */ +#define CX18_F_S_STREAMOFF 7 /* signal end of stream EOS */ +#define CX18_F_S_APPL_IO 8 /* this stream is used read/written by an application */ + +/* per-cx18, i_flags */ +#define CX18_F_I_LOADED_FW 0 /* Loaded the firmware the first time */ +#define CX18_F_I_EOS 4 /* End of encoder stream reached */ +#define CX18_F_I_RADIO_USER 5 /* The radio tuner is selected */ +#define CX18_F_I_ENC_PAUSED 13 /* the encoder is paused */ +#define CX18_F_I_INITED 21 /* set after first open */ +#define CX18_F_I_FAILED 22 /* set if first open failed */ + +/* These are the VBI types as they appear in the embedded VBI private packets. */ +#define CX18_SLICED_TYPE_TELETEXT_B (1) +#define CX18_SLICED_TYPE_CAPTION_525 (4) +#define CX18_SLICED_TYPE_WSS_625 (5) +#define CX18_SLICED_TYPE_VPS (7) + +struct cx18_buffer { + struct list_head list; + dma_addr_t dma_handle; + u32 id; + unsigned long b_flags; + char *buf; + + u32 bytesused; + u32 readpos; +}; + +struct cx18_queue { + struct list_head list; + u32 buffers; + u32 length; + u32 bytesused; +}; + +struct cx18_dvb { + struct dmx_frontend hw_frontend; + struct dmx_frontend mem_frontend; + struct dmxdev dmxdev; + struct dvb_adapter dvb_adapter; + struct dvb_demux demux; + struct dvb_frontend *fe; + struct dvb_net dvbnet; + int enabled; + int feeding; + + struct mutex feedlock; + +}; + +struct cx18; /* forward reference */ +struct cx18_scb; /* forward reference */ + +struct cx18_stream { + /* These first four fields are always set, even if the stream + is not actually created. */ + struct video_device *v4l2dev; /* NULL when stream not created */ + struct cx18 *cx; /* for ease of use */ + const char *name; /* name of the stream */ + int type; /* stream type */ + u32 handle; /* task handle */ + unsigned mdl_offset; + + u32 id; + spinlock_t qlock; /* locks access to the queues */ + unsigned long s_flags; /* status flags, see above */ + int dma; /* can be PCI_DMA_TODEVICE, + PCI_DMA_FROMDEVICE or + PCI_DMA_NONE */ + u64 dma_pts; + wait_queue_head_t waitq; + + /* Buffer Stats */ + u32 buffers; + u32 buf_size; + u32 buffers_stolen; + + /* Buffer Queues */ + struct cx18_queue q_free; /* free buffers */ + struct cx18_queue q_full; /* full buffers */ + struct cx18_queue q_io; /* waiting for I/O */ + + /* DVB / Digital Transport */ + struct cx18_dvb dvb; +}; + +struct cx18_open_id { + u32 open_id; + int type; + enum v4l2_priority prio; + struct cx18 *cx; +}; + +/* forward declaration of struct defined in cx18-cards.h */ +struct cx18_card; + + +#define CX18_VBI_FRAMES 32 + +/* VBI data */ +struct vbi_info { + u32 enc_size; + u32 frame; + u8 cc_data_odd[256]; + u8 cc_data_even[256]; + int cc_pos; + u8 cc_no_update; + u8 vps[5]; + u8 vps_found; + int wss; + u8 wss_found; + u8 wss_no_update; + u32 raw_decoder_line_size; + u8 raw_decoder_sav_odd_field; + u8 raw_decoder_sav_even_field; + u32 sliced_decoder_line_size; + u8 sliced_decoder_sav_odd_field; + u8 sliced_decoder_sav_even_field; + struct v4l2_format in; + /* convenience pointer to sliced struct in vbi_in union */ + struct v4l2_sliced_vbi_format *sliced_in; + u32 service_set_in; + int insert_mpeg; + + /* Buffer for the maximum of 2 * 18 * packet_size sliced VBI lines. + One for /dev/vbi0 and one for /dev/vbi8 */ + struct v4l2_sliced_vbi_data sliced_data[36]; + + /* Buffer for VBI data inserted into MPEG stream. + The first byte is a dummy byte that's never used. + The next 16 bytes contain the MPEG header for the VBI data, + the remainder is the actual VBI data. + The max size accepted by the MPEG VBI reinsertion turns out + to be 1552 bytes, which happens to be 4 + (1 + 42) * (2 * 18) bytes, + where 4 is a four byte header, 42 is the max sliced VBI payload, 1 is + a single line header byte and 2 * 18 is the number of VBI lines per frame. + + However, it seems that the data must be 1K aligned, so we have to + pad the data until the 1 or 2 K boundary. + + This pointer array will allocate 2049 bytes to store each VBI frame. */ + u8 *sliced_mpeg_data[CX18_VBI_FRAMES]; + u32 sliced_mpeg_size[CX18_VBI_FRAMES]; + struct cx18_buffer sliced_mpeg_buf; + u32 inserted_frame; + + u32 start[2], count; + u32 raw_size; + u32 sliced_size; +}; + +/* Per cx23418, per I2C bus private algo callback data */ +struct cx18_i2c_algo_callback_data { + struct cx18 *cx; + int bus_index; /* 0 or 1 for the cx23418's 1st or 2nd I2C bus */ +}; + +/* Struct to hold info about cx18 cards */ +struct cx18 { + int num; /* board number, -1 during init! */ + char name[8]; /* board name for printk and interrupts (e.g. 'cx180') */ + struct pci_dev *dev; /* PCI device */ + const struct cx18_card *card; /* card information */ + const char *card_name; /* full name of the card */ + const struct cx18_card_tuner_i2c *card_i2c; /* i2c addresses to probe for tuner */ + u8 is_50hz; + u8 is_60hz; + u8 is_out_50hz; + u8 is_out_60hz; + u8 nof_inputs; /* number of video inputs */ + u8 nof_audio_inputs; /* number of audio inputs */ + u16 buffer_id; /* buffer ID counter */ + u32 v4l2_cap; /* V4L2 capabilities of card */ + u32 hw_flags; /* Hardware description of the board */ + unsigned mdl_offset; + struct cx18_scb *scb; /* pointer to SCB */ + + struct cx18_av_state av_state; + + /* codec settings */ + struct cx2341x_mpeg_params params; + u32 filter_mode; + u32 temporal_strength; + u32 spatial_strength; + + /* dualwatch */ + unsigned long dualwatch_jiffies; + u16 dualwatch_stereo_mode; + + /* Digitizer type */ + int digitizer; /* 0x00EF = saa7114 0x00FO = saa7115 0x0106 = mic */ + + struct mutex serialize_lock; /* mutex used to serialize open/close/start/stop/ioctl operations */ + struct cx18_options options; /* User options */ + int stream_buf_size[CX18_MAX_STREAMS]; /* Stream buffer size */ + struct cx18_stream streams[CX18_MAX_STREAMS]; /* Stream data */ + unsigned long i_flags; /* global cx18 flags */ + atomic_t capturing; /* count number of active capture streams */ + spinlock_t lock; /* lock access to this struct */ + int search_pack_header; + + spinlock_t dma_reg_lock; /* lock access to DMA engine registers */ + + int open_id; /* incremented each time an open occurs, used as + unique ID. Starts at 1, so 0 can be used as + uninitialized value in the stream->id. */ + + u32 base_addr; + struct v4l2_prio_state prio; + + u8 card_rev; + void __iomem *enc_mem, *reg_mem; + + struct vbi_info vbi; + + u32 pgm_info_offset; + u32 pgm_info_num; + u32 pgm_info_write_idx; + u32 pgm_info_read_idx; + struct v4l2_enc_idx_entry pgm_info[CX18_MAX_PGM_INDEX]; + + u64 mpg_data_received; + u64 vbi_data_inserted; + + wait_queue_head_t mb_apu_waitq; + wait_queue_head_t mb_cpu_waitq; + wait_queue_head_t mb_epu_waitq; + wait_queue_head_t mb_hpu_waitq; + wait_queue_head_t cap_w; + /* when the current DMA is finished this queue is woken up */ + wait_queue_head_t dma_waitq; + + /* i2c */ + struct i2c_adapter i2c_adap[2]; + struct i2c_algo_bit_data i2c_algo[2]; + struct cx18_i2c_algo_callback_data i2c_algo_cb_data[2]; + struct i2c_client i2c_client[2]; + struct mutex i2c_bus_lock[2]; + struct i2c_client *i2c_clients[I2C_CLIENTS_MAX]; + + /* v4l2 and User settings */ + + /* codec settings */ + u32 audio_input; + u32 active_input; + u32 active_output; + v4l2_std_id std; + v4l2_std_id tuner_std; /* The norm of the tuner (fixed) */ +}; + +/* Globals */ +extern struct cx18 *cx18_cards[]; +extern int cx18_cards_active; +extern int cx18_first_minor; +extern spinlock_t cx18_cards_lock; + +/*==============Prototypes==================*/ + +/* Return non-zero if a signal is pending */ +int cx18_msleep_timeout(unsigned int msecs, int intr); + +/* Wait on queue, returns -EINTR if interrupted */ +int cx18_waitq(wait_queue_head_t *waitq); + +/* Read Hauppauge eeprom */ +struct tveeprom; /* forward reference */ +void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv); + +/* First-open initialization: load firmware, etc. */ +int cx18_init_on_first_open(struct cx18 *cx); + +/* This is a PCI post thing, where if the pci register is not read, then + the write doesn't always take effect right away. By reading back the + register any pending PCI writes will be performed (in order), and so + you can be sure that the writes are guaranteed to be done. + + Rarely needed, only in some timing sensitive cases. + Apparently if this is not done some motherboards seem + to kill the firmware and get into the broken state until computer is + rebooted. */ +#define write_sync(val, reg) \ + do { writel(val, reg); readl(reg); } while (0) + +#define read_reg(reg) readl(cx->reg_mem + (reg)) +#define write_reg(val, reg) writel(val, cx->reg_mem + (reg)) +#define write_reg_sync(val, reg) \ + do { write_reg(val, reg); read_reg(reg); } while (0) + +#define read_enc(addr) readl(cx->enc_mem + (u32)(addr)) +#define write_enc(val, addr) writel(val, cx->enc_mem + (u32)(addr)) +#define write_enc_sync(val, addr) \ + do { write_enc(val, addr); read_enc(addr); } while (0) + +#define sw1_irq_enable(val) do { \ + write_reg(val, SW1_INT_STATUS); \ + write_reg(read_reg(SW1_INT_ENABLE_PCI) | (val), SW1_INT_ENABLE_PCI); \ +} while (0) + +#define sw1_irq_disable(val) \ + write_reg(read_reg(SW1_INT_ENABLE_PCI) & ~(val), SW1_INT_ENABLE_PCI); + +#define sw2_irq_enable(val) do { \ + write_reg(val, SW2_INT_STATUS); \ + write_reg(read_reg(SW2_INT_ENABLE_PCI) | (val), SW2_INT_ENABLE_PCI); \ +} while (0) + +#define sw2_irq_disable(val) \ + write_reg(read_reg(SW2_INT_ENABLE_PCI) & ~(val), SW2_INT_ENABLE_PCI); + +#define setup_page(addr) do { \ + u32 val = read_reg(0xD000F8) & ~0x1f00; \ + write_reg(val | (((addr) >> 17) & 0x1f00), 0xD000F8); \ +} while (0) + +#endif /* CX18_DRIVER_H */ diff --git a/drivers/media/video/cx18/cx18-dvb.c b/drivers/media/video/cx18/cx18-dvb.c new file mode 100644 index 0000000..65efe69 --- /dev/null +++ b/drivers/media/video/cx18/cx18-dvb.c @@ -0,0 +1,288 @@ +/* + * cx18 functions for DVB support + * + * Copyright (c) 2008 Steven Toth <stoth@hauppauge.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx18-version.h" +#include "cx18-dvb.h" +#include "cx18-streams.h" +#include "cx18-cards.h" +#include "s5h1409.h" + +/* Wait until the MXL500X driver is merged */ +#ifdef HAVE_MXL500X +#include "mxl500x.h" +#endif + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +#define CX18_REG_DMUX_NUM_PORT_0_CONTROL 0xd5a000 + +#ifdef HAVE_MXL500X +static struct mxl500x_config hauppauge_hvr1600_tuner = { + .delsys = MXL500x_MODE_ATSC, + .octf = MXL500x_OCTF_CH, + .xtal_freq = 16000000, + .iflo_freq = 5380000, + .ref_freq = 322800000, + .rssi_ena = MXL_RSSI_ENABLE, + .addr = 0xC6 >> 1, +}; + +static struct s5h1409_config hauppauge_hvr1600_config = { + .demod_address = 0x32 >> 1, + .output_mode = S5H1409_SERIAL_OUTPUT, + .gpio = S5H1409_GPIO_ON, + .qam_if = 44000, + .inversion = S5H1409_INVERSION_OFF, + .status_mode = S5H1409_DEMODLOCKING, + .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK + +}; +#endif + +static int dvb_register(struct cx18_stream *stream); + +/* Kernel DVB framework calls this when the feed needs to start. + * The CX18 framework should enable the transport DMA handling + * and queue processing. + */ +static int cx18_dvb_start_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct cx18_stream *stream = (struct cx18_stream *) demux->priv; + struct cx18 *cx = stream->cx; + int ret = -EINVAL; + u32 v; + + CX18_DEBUG_INFO("Start feed: pid = 0x%x index = %d\n", + feed->pid, feed->index); + switch (cx->card->type) { + case CX18_CARD_HVR_1600_ESMT: + case CX18_CARD_HVR_1600_SAMSUNG: + v = read_reg(CX18_REG_DMUX_NUM_PORT_0_CONTROL); + v |= 0x00400000; /* Serial Mode */ + v |= 0x00002000; /* Data Length - Byte */ + v |= 0x00010000; /* Error - Polarity */ + v |= 0x00020000; /* Error - Passthru */ + v |= 0x000c0000; /* Error - Ignore */ + write_reg(v, CX18_REG_DMUX_NUM_PORT_0_CONTROL); + break; + + default: + /* Assumption - Parallel transport - Signalling + * undefined or default. + */ + break; + } + + if (!demux->dmx.frontend) + return -EINVAL; + + if (stream) { + mutex_lock(&stream->dvb.feedlock); + if (stream->dvb.feeding++ == 0) { + CX18_DEBUG_INFO("Starting Transport DMA\n"); + ret = cx18_start_v4l2_encode_stream(stream); + } else + ret = 0; + mutex_unlock(&stream->dvb.feedlock); + } + + return ret; +} + +/* Kernel DVB framework calls this when the feed needs to stop. */ +static int cx18_dvb_stop_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct cx18_stream *stream = (struct cx18_stream *)demux->priv; + struct cx18 *cx = stream->cx; + int ret = -EINVAL; + + CX18_DEBUG_INFO("Stop feed: pid = 0x%x index = %d\n", + feed->pid, feed->index); + + if (stream) { + mutex_lock(&stream->dvb.feedlock); + if (--stream->dvb.feeding == 0) { + CX18_DEBUG_INFO("Stopping Transport DMA\n"); + ret = cx18_stop_v4l2_encode_stream(stream, 0); + } else + ret = 0; + mutex_unlock(&stream->dvb.feedlock); + } + + return ret; +} + +int cx18_dvb_register(struct cx18_stream *stream) +{ + struct cx18 *cx = stream->cx; + struct cx18_dvb *dvb = &stream->dvb; + struct dvb_adapter *dvb_adapter; + struct dvb_demux *dvbdemux; + struct dmx_demux *dmx; + int ret; + + if (!dvb) + return -EINVAL; + + ret = dvb_register_adapter(&dvb->dvb_adapter, + CX18_DRIVER_NAME, + THIS_MODULE, &cx->dev->dev, adapter_nr); + if (ret < 0) + goto err_out; + + dvb_adapter = &dvb->dvb_adapter; + + dvbdemux = &dvb->demux; + + dvbdemux->priv = (void *)stream; + + dvbdemux->filternum = 256; + dvbdemux->feednum = 256; + dvbdemux->start_feed = cx18_dvb_start_feed; + dvbdemux->stop_feed = cx18_dvb_stop_feed; + dvbdemux->dmx.capabilities = (DMX_TS_FILTERING | + DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING); + ret = dvb_dmx_init(dvbdemux); + if (ret < 0) + goto err_dvb_unregister_adapter; + + dmx = &dvbdemux->dmx; + + dvb->hw_frontend.source = DMX_FRONTEND_0; + dvb->mem_frontend.source = DMX_MEMORY_FE; + dvb->dmxdev.filternum = 256; + dvb->dmxdev.demux = dmx; + + ret = dvb_dmxdev_init(&dvb->dmxdev, dvb_adapter); + if (ret < 0) + goto err_dvb_dmx_release; + + ret = dmx->add_frontend(dmx, &dvb->hw_frontend); + if (ret < 0) + goto err_dvb_dmxdev_release; + + ret = dmx->add_frontend(dmx, &dvb->mem_frontend); + if (ret < 0) + goto err_remove_hw_frontend; + + ret = dmx->connect_frontend(dmx, &dvb->hw_frontend); + if (ret < 0) + goto err_remove_mem_frontend; + + ret = dvb_register(stream); + if (ret < 0) + goto err_disconnect_frontend; + + dvb_net_init(dvb_adapter, &dvb->dvbnet, dmx); + + CX18_INFO("DVB Frontend registered\n"); + mutex_init(&dvb->feedlock); + dvb->enabled = 1; + return ret; + +err_disconnect_frontend: + dmx->disconnect_frontend(dmx); +err_remove_mem_frontend: + dmx->remove_frontend(dmx, &dvb->mem_frontend); +err_remove_hw_frontend: + dmx->remove_frontend(dmx, &dvb->hw_frontend); +err_dvb_dmxdev_release: + dvb_dmxdev_release(&dvb->dmxdev); +err_dvb_dmx_release: + dvb_dmx_release(dvbdemux); +err_dvb_unregister_adapter: + dvb_unregister_adapter(dvb_adapter); +err_out: + return ret; +} + +void cx18_dvb_unregister(struct cx18_stream *stream) +{ + struct cx18 *cx = stream->cx; + struct cx18_dvb *dvb = &stream->dvb; + struct dvb_adapter *dvb_adapter; + struct dvb_demux *dvbdemux; + struct dmx_demux *dmx; + + CX18_INFO("unregister DVB\n"); + + dvb_adapter = &dvb->dvb_adapter; + dvbdemux = &dvb->demux; + dmx = &dvbdemux->dmx; + + dmx->close(dmx); + dvb_net_release(&dvb->dvbnet); + dmx->remove_frontend(dmx, &dvb->mem_frontend); + dmx->remove_frontend(dmx, &dvb->hw_frontend); + dvb_dmxdev_release(&dvb->dmxdev); + dvb_dmx_release(dvbdemux); + dvb_unregister_frontend(dvb->fe); + dvb_frontend_detach(dvb->fe); + dvb_unregister_adapter(dvb_adapter); +} + +/* All the DVB attach calls go here, this function get's modified + * for each new card. No other function in this file needs + * to change. + */ +static int dvb_register(struct cx18_stream *stream) +{ + struct cx18_dvb *dvb = &stream->dvb; + struct cx18 *cx = stream->cx; + int ret = 0; + + switch (cx->card->type) { +/* Wait until the MXL500X driver is merged */ +#ifdef HAVE_MXL500X + case CX18_CARD_HVR_1600_ESMT: + case CX18_CARD_HVR_1600_SAMSUNG: + dvb->fe = dvb_attach(s5h1409_attach, + &hauppauge_hvr1600_config, + &cx->i2c_adap[0]); + if (dvb->fe != NULL) { + dvb_attach(mxl500x_attach, dvb->fe, + &hauppauge_hvr1600_tuner, + &cx->i2c_adap[0]); + ret = 0; + } + break; +#endif + default: + /* No Digital Tv Support */ + break; + } + + if (dvb->fe == NULL) { + CX18_ERR("frontend initialization failed\n"); + return -1; + } + + ret = dvb_register_frontend(&dvb->dvb_adapter, dvb->fe); + if (ret < 0) { + if (dvb->fe->ops.release) + dvb->fe->ops.release(dvb->fe); + return ret; + } + + return ret; +} diff --git a/drivers/media/video/cx18/cx18-dvb.h b/drivers/media/video/cx18/cx18-dvb.h new file mode 100644 index 0000000..d6a6ccd --- /dev/null +++ b/drivers/media/video/cx18/cx18-dvb.h @@ -0,0 +1,25 @@ +/* + * cx18 functions for DVB support + * + * Copyright (c) 2008 Steven Toth <stoth@hauppauge.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx18-driver.h" + +int cx18_dvb_register(struct cx18_stream *stream); +void cx18_dvb_unregister(struct cx18_stream *stream); diff --git a/drivers/media/video/cx18/cx18-fileops.c b/drivers/media/video/cx18/cx18-fileops.c new file mode 100644 index 0000000..6930306 --- /dev/null +++ b/drivers/media/video/cx18/cx18-fileops.c @@ -0,0 +1,711 @@ +/* + * cx18 file operation functions + * + * Derived from ivtv-fileops.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-fileops.h" +#include "cx18-i2c.h" +#include "cx18-queue.h" +#include "cx18-vbi.h" +#include "cx18-audio.h" +#include "cx18-mailbox.h" +#include "cx18-scb.h" +#include "cx18-streams.h" +#include "cx18-controls.h" +#include "cx18-ioctl.h" +#include "cx18-cards.h" + +/* This function tries to claim the stream for a specific file descriptor. + If no one else is using this stream then the stream is claimed and + associated VBI streams are also automatically claimed. + Possible error returns: -EBUSY if someone else has claimed + the stream or 0 on success. */ +int cx18_claim_stream(struct cx18_open_id *id, int type) +{ + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[type]; + struct cx18_stream *s_vbi; + int vbi_type; + + if (test_and_set_bit(CX18_F_S_CLAIMED, &s->s_flags)) { + /* someone already claimed this stream */ + if (s->id == id->open_id) { + /* yes, this file descriptor did. So that's OK. */ + return 0; + } + if (s->id == -1 && type == CX18_ENC_STREAM_TYPE_VBI) { + /* VBI is handled already internally, now also assign + the file descriptor to this stream for external + reading of the stream. */ + s->id = id->open_id; + CX18_DEBUG_INFO("Start Read VBI\n"); + return 0; + } + /* someone else is using this stream already */ + CX18_DEBUG_INFO("Stream %d is busy\n", type); + return -EBUSY; + } + s->id = id->open_id; + + /* CX18_DEC_STREAM_TYPE_MPG needs to claim CX18_DEC_STREAM_TYPE_VBI, + CX18_ENC_STREAM_TYPE_MPG needs to claim CX18_ENC_STREAM_TYPE_VBI + (provided VBI insertion is on and sliced VBI is selected), for all + other streams we're done */ + if (type == CX18_ENC_STREAM_TYPE_MPG && + cx->vbi.insert_mpeg && cx->vbi.sliced_in->service_set) { + vbi_type = CX18_ENC_STREAM_TYPE_VBI; + } else { + return 0; + } + s_vbi = &cx->streams[vbi_type]; + + set_bit(CX18_F_S_CLAIMED, &s_vbi->s_flags); + + /* mark that it is used internally */ + set_bit(CX18_F_S_INTERNAL_USE, &s_vbi->s_flags); + return 0; +} + +/* This function releases a previously claimed stream. It will take into + account associated VBI streams. */ +void cx18_release_stream(struct cx18_stream *s) +{ + struct cx18 *cx = s->cx; + struct cx18_stream *s_vbi; + + s->id = -1; + if (s->type == CX18_ENC_STREAM_TYPE_VBI && + test_bit(CX18_F_S_INTERNAL_USE, &s->s_flags)) { + /* this stream is still in use internally */ + return; + } + if (!test_and_clear_bit(CX18_F_S_CLAIMED, &s->s_flags)) { + CX18_DEBUG_WARN("Release stream %s not in use!\n", s->name); + return; + } + + cx18_flush_queues(s); + + /* CX18_ENC_STREAM_TYPE_MPG needs to release CX18_ENC_STREAM_TYPE_VBI, + for all other streams we're done */ + if (s->type == CX18_ENC_STREAM_TYPE_MPG) + s_vbi = &cx->streams[CX18_ENC_STREAM_TYPE_VBI]; + else + return; + + /* clear internal use flag */ + if (!test_and_clear_bit(CX18_F_S_INTERNAL_USE, &s_vbi->s_flags)) { + /* was already cleared */ + return; + } + if (s_vbi->id != -1) { + /* VBI stream still claimed by a file descriptor */ + return; + } + clear_bit(CX18_F_S_CLAIMED, &s_vbi->s_flags); + cx18_flush_queues(s_vbi); +} + +static void cx18_dualwatch(struct cx18 *cx) +{ + struct v4l2_tuner vt; + u16 new_bitmap; + u16 new_stereo_mode; + const u16 stereo_mask = 0x0300; + const u16 dual = 0x0200; + + new_stereo_mode = cx->params.audio_properties & stereo_mask; + memset(&vt, 0, sizeof(vt)); + cx18_call_i2c_clients(cx, VIDIOC_G_TUNER, &vt); + if (vt.audmode == V4L2_TUNER_MODE_LANG1_LANG2 && + (vt.rxsubchans & V4L2_TUNER_SUB_LANG2)) + new_stereo_mode = dual; + + if (new_stereo_mode == cx->dualwatch_stereo_mode) + return; + + new_bitmap = new_stereo_mode | (cx->params.audio_properties & ~stereo_mask); + + CX18_DEBUG_INFO("dualwatch: change stereo flag from 0x%x to 0x%x. new audio_bitmask=0x%ux\n", + cx->dualwatch_stereo_mode, new_stereo_mode, new_bitmap); + + if (cx18_vapi(cx, CX18_CPU_SET_AUDIO_PARAMETERS, 2, + cx18_find_handle(cx), new_bitmap) == 0) { + cx->dualwatch_stereo_mode = new_stereo_mode; + return; + } + CX18_DEBUG_INFO("dualwatch: changing stereo flag failed\n"); +} + + +static struct cx18_buffer *cx18_get_buffer(struct cx18_stream *s, int non_block, int *err) +{ + struct cx18 *cx = s->cx; + struct cx18_stream *s_vbi = &cx->streams[CX18_ENC_STREAM_TYPE_VBI]; + struct cx18_buffer *buf; + DEFINE_WAIT(wait); + + *err = 0; + while (1) { + if (s->type == CX18_ENC_STREAM_TYPE_MPG) { + + if (time_after(jiffies, cx->dualwatch_jiffies + msecs_to_jiffies(1000))) { + cx->dualwatch_jiffies = jiffies; + cx18_dualwatch(cx); + } + if (test_bit(CX18_F_S_INTERNAL_USE, &s_vbi->s_flags) && + !test_bit(CX18_F_S_APPL_IO, &s_vbi->s_flags)) { + while ((buf = cx18_dequeue(s_vbi, &s_vbi->q_full))) { + /* byteswap and process VBI data */ +/* cx18_process_vbi_data(cx, buf, s_vbi->dma_pts, s_vbi->type); */ + cx18_enqueue(s_vbi, buf, &s_vbi->q_free); + } + } + buf = &cx->vbi.sliced_mpeg_buf; + if (buf->readpos != buf->bytesused) + return buf; + } + + /* do we have leftover data? */ + buf = cx18_dequeue(s, &s->q_io); + if (buf) + return buf; + + /* do we have new data? */ + buf = cx18_dequeue(s, &s->q_full); + if (buf) { + if (!test_and_clear_bit(CX18_F_B_NEED_BUF_SWAP, + &buf->b_flags)) + return buf; + if (s->type == CX18_ENC_STREAM_TYPE_MPG) + /* byteswap MPG data */ + cx18_buf_swap(buf); + else { + /* byteswap and process VBI data */ + cx18_process_vbi_data(cx, buf, + s->dma_pts, s->type); + } + return buf; + } + + /* return if end of stream */ + if (!test_bit(CX18_F_S_STREAMING, &s->s_flags)) { + CX18_DEBUG_INFO("EOS %s\n", s->name); + return NULL; + } + + /* return if file was opened with O_NONBLOCK */ + if (non_block) { + *err = -EAGAIN; + return NULL; + } + + /* wait for more data to arrive */ + prepare_to_wait(&s->waitq, &wait, TASK_INTERRUPTIBLE); + /* New buffers might have become available before we were added + to the waitqueue */ + if (!s->q_full.buffers) + schedule(); + finish_wait(&s->waitq, &wait); + if (signal_pending(current)) { + /* return if a signal was received */ + CX18_DEBUG_INFO("User stopped %s\n", s->name); + *err = -EINTR; + return NULL; + } + } +} + +static void cx18_setup_sliced_vbi_buf(struct cx18 *cx) +{ + int idx = cx->vbi.inserted_frame % CX18_VBI_FRAMES; + + cx->vbi.sliced_mpeg_buf.buf = cx->vbi.sliced_mpeg_data[idx]; + cx->vbi.sliced_mpeg_buf.bytesused = cx->vbi.sliced_mpeg_size[idx]; + cx->vbi.sliced_mpeg_buf.readpos = 0; +} + +static size_t cx18_copy_buf_to_user(struct cx18_stream *s, + struct cx18_buffer *buf, char __user *ubuf, size_t ucount) +{ + struct cx18 *cx = s->cx; + size_t len = buf->bytesused - buf->readpos; + + if (len > ucount) + len = ucount; + if (cx->vbi.insert_mpeg && s->type == CX18_ENC_STREAM_TYPE_MPG && + cx->vbi.sliced_in->service_set && buf != &cx->vbi.sliced_mpeg_buf) { + const char *start = buf->buf + buf->readpos; + const char *p = start + 1; + const u8 *q; + u8 ch = cx->search_pack_header ? 0xba : 0xe0; + int stuffing, i; + + while (start + len > p) { + q = memchr(p, 0, start + len - p); + if (q == NULL) + break; + p = q + 1; + if ((char *)q + 15 >= buf->buf + buf->bytesused || + q[1] != 0 || q[2] != 1 || q[3] != ch) + continue; + if (!cx->search_pack_header) { + if ((q[6] & 0xc0) != 0x80) + continue; + if (((q[7] & 0xc0) == 0x80 && + (q[9] & 0xf0) == 0x20) || + ((q[7] & 0xc0) == 0xc0 && + (q[9] & 0xf0) == 0x30)) { + ch = 0xba; + cx->search_pack_header = 1; + p = q + 9; + } + continue; + } + stuffing = q[13] & 7; + /* all stuffing bytes must be 0xff */ + for (i = 0; i < stuffing; i++) + if (q[14 + i] != 0xff) + break; + if (i == stuffing && + (q[4] & 0xc4) == 0x44 && + (q[12] & 3) == 3 && + q[14 + stuffing] == 0 && + q[15 + stuffing] == 0 && + q[16 + stuffing] == 1) { + cx->search_pack_header = 0; + len = (char *)q - start; + cx18_setup_sliced_vbi_buf(cx); + break; + } + } + } + if (copy_to_user(ubuf, (u8 *)buf->buf + buf->readpos, len)) { + CX18_DEBUG_WARN("copy %zd bytes to user failed for %s\n", + len, s->name); + return -EFAULT; + } + buf->readpos += len; + if (s->type == CX18_ENC_STREAM_TYPE_MPG && + buf != &cx->vbi.sliced_mpeg_buf) + cx->mpg_data_received += len; + return len; +} + +static ssize_t cx18_read(struct cx18_stream *s, char __user *ubuf, + size_t tot_count, int non_block) +{ + struct cx18 *cx = s->cx; + size_t tot_written = 0; + int single_frame = 0; + + if (atomic_read(&cx->capturing) == 0 && s->id == -1) { + /* shouldn't happen */ + CX18_DEBUG_WARN("Stream %s not initialized before read\n", + s->name); + return -EIO; + } + + /* Each VBI buffer is one frame, the v4l2 API says that for VBI the + frames should arrive one-by-one, so make sure we never output more + than one VBI frame at a time */ + if (s->type == CX18_ENC_STREAM_TYPE_VBI && + cx->vbi.sliced_in->service_set) + single_frame = 1; + + for (;;) { + struct cx18_buffer *buf; + int rc; + + buf = cx18_get_buffer(s, non_block, &rc); + /* if there is no data available... */ + if (buf == NULL) { + /* if we got data, then return that regardless */ + if (tot_written) + break; + /* EOS condition */ + if (rc == 0) { + clear_bit(CX18_F_S_STREAMOFF, &s->s_flags); + clear_bit(CX18_F_S_APPL_IO, &s->s_flags); + cx18_release_stream(s); + } + /* set errno */ + return rc; + } + + rc = cx18_copy_buf_to_user(s, buf, ubuf + tot_written, + tot_count - tot_written); + + if (buf != &cx->vbi.sliced_mpeg_buf) { + if (buf->readpos == buf->bytesused) { + cx18_buf_sync_for_device(s, buf); + cx18_enqueue(s, buf, &s->q_free); + cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, + s->handle, + (void *)&cx->scb->cpu_mdl[buf->id] - cx->enc_mem, + 1, buf->id, s->buf_size); + } else + cx18_enqueue(s, buf, &s->q_io); + } else if (buf->readpos == buf->bytesused) { + int idx = cx->vbi.inserted_frame % CX18_VBI_FRAMES; + + cx->vbi.sliced_mpeg_size[idx] = 0; + cx->vbi.inserted_frame++; + cx->vbi_data_inserted += buf->bytesused; + } + if (rc < 0) + return rc; + tot_written += rc; + + if (tot_written == tot_count || single_frame) + break; + } + return tot_written; +} + +static ssize_t cx18_read_pos(struct cx18_stream *s, char __user *ubuf, + size_t count, loff_t *pos, int non_block) +{ + ssize_t rc = count ? cx18_read(s, ubuf, count, non_block) : 0; + struct cx18 *cx = s->cx; + + CX18_DEBUG_HI_FILE("read %zd from %s, got %zd\n", count, s->name, rc); + if (rc > 0) + pos += rc; + return rc; +} + +int cx18_start_capture(struct cx18_open_id *id) +{ + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + struct cx18_stream *s_vbi; + + if (s->type == CX18_ENC_STREAM_TYPE_RAD) { + /* you cannot read from these stream types. */ + return -EPERM; + } + + /* Try to claim this stream. */ + if (cx18_claim_stream(id, s->type)) + return -EBUSY; + + /* If capture is already in progress, then we also have to + do nothing extra. */ + if (test_bit(CX18_F_S_STREAMOFF, &s->s_flags) || + test_and_set_bit(CX18_F_S_STREAMING, &s->s_flags)) { + set_bit(CX18_F_S_APPL_IO, &s->s_flags); + return 0; + } + + /* Start VBI capture if required */ + s_vbi = &cx->streams[CX18_ENC_STREAM_TYPE_VBI]; + if (s->type == CX18_ENC_STREAM_TYPE_MPG && + test_bit(CX18_F_S_INTERNAL_USE, &s_vbi->s_flags) && + !test_and_set_bit(CX18_F_S_STREAMING, &s_vbi->s_flags)) { + /* Note: the CX18_ENC_STREAM_TYPE_VBI is claimed + automatically when the MPG stream is claimed. + We only need to start the VBI capturing. */ + if (cx18_start_v4l2_encode_stream(s_vbi)) { + CX18_DEBUG_WARN("VBI capture start failed\n"); + + /* Failure, clean up and return an error */ + clear_bit(CX18_F_S_STREAMING, &s_vbi->s_flags); + clear_bit(CX18_F_S_STREAMING, &s->s_flags); + /* also releases the associated VBI stream */ + cx18_release_stream(s); + return -EIO; + } + CX18_DEBUG_INFO("VBI insertion started\n"); + } + + /* Tell the card to start capturing */ + if (!cx18_start_v4l2_encode_stream(s)) { + /* We're done */ + set_bit(CX18_F_S_APPL_IO, &s->s_flags); + /* Resume a possibly paused encoder */ + if (test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) + cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, s->handle); + return 0; + } + + /* failure, clean up */ + CX18_DEBUG_WARN("Failed to start capturing for stream %s\n", s->name); + + /* Note: the CX18_ENC_STREAM_TYPE_VBI is released + automatically when the MPG stream is released. + We only need to stop the VBI capturing. */ + if (s->type == CX18_ENC_STREAM_TYPE_MPG && + test_bit(CX18_F_S_STREAMING, &s_vbi->s_flags)) { + cx18_stop_v4l2_encode_stream(s_vbi, 0); + clear_bit(CX18_F_S_STREAMING, &s_vbi->s_flags); + } + clear_bit(CX18_F_S_STREAMING, &s->s_flags); + cx18_release_stream(s); + return -EIO; +} + +ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count, + loff_t *pos) +{ + struct cx18_open_id *id = filp->private_data; + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + int rc; + + CX18_DEBUG_HI_FILE("read %zd bytes from %s\n", count, s->name); + + mutex_lock(&cx->serialize_lock); + rc = cx18_start_capture(id); + mutex_unlock(&cx->serialize_lock); + if (rc) + return rc; + return cx18_read_pos(s, buf, count, pos, filp->f_flags & O_NONBLOCK); +} + +unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait) +{ + struct cx18_open_id *id = filp->private_data; + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + int eof = test_bit(CX18_F_S_STREAMOFF, &s->s_flags); + + /* Start a capture if there is none */ + if (!eof && !test_bit(CX18_F_S_STREAMING, &s->s_flags)) { + int rc; + + mutex_lock(&cx->serialize_lock); + rc = cx18_start_capture(id); + mutex_unlock(&cx->serialize_lock); + if (rc) { + CX18_DEBUG_INFO("Could not start capture for %s (%d)\n", + s->name, rc); + return POLLERR; + } + CX18_DEBUG_FILE("Encoder poll started capture\n"); + } + + /* add stream's waitq to the poll list */ + CX18_DEBUG_HI_FILE("Encoder poll\n"); + poll_wait(filp, &s->waitq, wait); + + if (s->q_full.length || s->q_io.length) + return POLLIN | POLLRDNORM; + if (eof) + return POLLHUP; + return 0; +} + +void cx18_stop_capture(struct cx18_open_id *id, int gop_end) +{ + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + + CX18_DEBUG_IOCTL("close() of %s\n", s->name); + + /* 'Unclaim' this stream */ + + /* Stop capturing */ + if (test_bit(CX18_F_S_STREAMING, &s->s_flags)) { + struct cx18_stream *s_vbi = + &cx->streams[CX18_ENC_STREAM_TYPE_VBI]; + + CX18_DEBUG_INFO("close stopping capture\n"); + /* Special case: a running VBI capture for VBI insertion + in the mpeg stream. Need to stop that too. */ + if (id->type == CX18_ENC_STREAM_TYPE_MPG && + test_bit(CX18_F_S_STREAMING, &s_vbi->s_flags) && + !test_bit(CX18_F_S_APPL_IO, &s_vbi->s_flags)) { + CX18_DEBUG_INFO("close stopping embedded VBI capture\n"); + cx18_stop_v4l2_encode_stream(s_vbi, 0); + } + if (id->type == CX18_ENC_STREAM_TYPE_VBI && + test_bit(CX18_F_S_INTERNAL_USE, &s->s_flags)) + /* Also used internally, don't stop capturing */ + s->id = -1; + else + cx18_stop_v4l2_encode_stream(s, gop_end); + } + if (!gop_end) { + clear_bit(CX18_F_S_APPL_IO, &s->s_flags); + clear_bit(CX18_F_S_STREAMOFF, &s->s_flags); + cx18_release_stream(s); + } +} + +int cx18_v4l2_close(struct inode *inode, struct file *filp) +{ + struct cx18_open_id *id = filp->private_data; + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + + CX18_DEBUG_IOCTL("close() of %s\n", s->name); + + v4l2_prio_close(&cx->prio, &id->prio); + + /* Easy case first: this stream was never claimed by us */ + if (s->id != id->open_id) { + kfree(id); + return 0; + } + + /* 'Unclaim' this stream */ + + /* Stop radio */ + mutex_lock(&cx->serialize_lock); + if (id->type == CX18_ENC_STREAM_TYPE_RAD) { + /* Closing radio device, return to TV mode */ + cx18_mute(cx); + /* Mark that the radio is no longer in use */ + clear_bit(CX18_F_I_RADIO_USER, &cx->i_flags); + /* Switch tuner to TV */ + cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std); + /* Select correct audio input (i.e. TV tuner or Line in) */ + cx18_audio_set_io(cx); + if (atomic_read(&cx->capturing) > 0) { + /* Undo video mute */ + cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, s->handle, + cx->params.video_mute | + (cx->params.video_mute_yuv << 8)); + } + /* Done! Unmute and continue. */ + cx18_unmute(cx); + cx18_release_stream(s); + } else { + cx18_stop_capture(id, 0); + } + kfree(id); + mutex_unlock(&cx->serialize_lock); + return 0; +} + +static int cx18_serialized_open(struct cx18_stream *s, struct file *filp) +{ + struct cx18 *cx = s->cx; + struct cx18_open_id *item; + + CX18_DEBUG_FILE("open %s\n", s->name); + + /* Allocate memory */ + item = kmalloc(sizeof(struct cx18_open_id), GFP_KERNEL); + if (NULL == item) { + CX18_DEBUG_WARN("nomem on v4l2 open\n"); + return -ENOMEM; + } + item->cx = cx; + item->type = s->type; + v4l2_prio_open(&cx->prio, &item->prio); + + item->open_id = cx->open_id++; + filp->private_data = item; + + if (item->type == CX18_ENC_STREAM_TYPE_RAD) { + /* Try to claim this stream */ + if (cx18_claim_stream(item, item->type)) { + /* No, it's already in use */ + kfree(item); + return -EBUSY; + } + + if (!test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) { + if (atomic_read(&cx->capturing) > 0) { + /* switching to radio while capture is + in progress is not polite */ + cx18_release_stream(s); + kfree(item); + return -EBUSY; + } + } + + /* Mark that the radio is being used. */ + set_bit(CX18_F_I_RADIO_USER, &cx->i_flags); + /* We have the radio */ + cx18_mute(cx); + /* Switch tuner to radio */ + cx18_call_i2c_clients(cx, AUDC_SET_RADIO, NULL); + /* Select the correct audio input (i.e. radio tuner) */ + cx18_audio_set_io(cx); + /* Done! Unmute and continue. */ + cx18_unmute(cx); + } + return 0; +} + +int cx18_v4l2_open(struct inode *inode, struct file *filp) +{ + int res, x, y = 0; + struct cx18 *cx = NULL; + struct cx18_stream *s = NULL; + int minor = iminor(inode); + + /* Find which card this open was on */ + spin_lock(&cx18_cards_lock); + for (x = 0; cx == NULL && x < cx18_cards_active; x++) { + /* find out which stream this open was on */ + for (y = 0; y < CX18_MAX_STREAMS; y++) { + s = &cx18_cards[x]->streams[y]; + if (s->v4l2dev && s->v4l2dev->minor == minor) { + cx = cx18_cards[x]; + break; + } + } + } + spin_unlock(&cx18_cards_lock); + + if (cx == NULL) { + /* Couldn't find a device registered + on that minor, shouldn't happen! */ + printk(KERN_WARNING "No cx18 device found on minor %d\n", + minor); + return -ENXIO; + } + + mutex_lock(&cx->serialize_lock); + if (cx18_init_on_first_open(cx)) { + CX18_ERR("Failed to initialize on minor %d\n", minor); + mutex_unlock(&cx->serialize_lock); + return -ENXIO; + } + res = cx18_serialized_open(s, filp); + mutex_unlock(&cx->serialize_lock); + return res; +} + +void cx18_mute(struct cx18 *cx) +{ + if (atomic_read(&cx->capturing)) + cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, + cx18_find_handle(cx), 1); + CX18_DEBUG_INFO("Mute\n"); +} + +void cx18_unmute(struct cx18 *cx) +{ + if (atomic_read(&cx->capturing)) { + cx18_msleep_timeout(100, 0); + cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2, + cx18_find_handle(cx), 12); + cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, + cx18_find_handle(cx), 0); + } + CX18_DEBUG_INFO("Unmute\n"); +} diff --git a/drivers/media/video/cx18/cx18-fileops.h b/drivers/media/video/cx18/cx18-fileops.h new file mode 100644 index 0000000..16cdafb --- /dev/null +++ b/drivers/media/video/cx18/cx18-fileops.h @@ -0,0 +1,45 @@ +/* + * cx18 file operation functions + * + * Derived from ivtv-fileops.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +/* Testing/Debugging */ +int cx18_v4l2_open(struct inode *inode, struct file *filp); +ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count, + loff_t *pos); +ssize_t cx18_v4l2_write(struct file *filp, const char __user *buf, size_t count, + loff_t *pos); +int cx18_v4l2_close(struct inode *inode, struct file *filp); +unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait); +int cx18_start_capture(struct cx18_open_id *id); +void cx18_stop_capture(struct cx18_open_id *id, int gop_end); +void cx18_mute(struct cx18 *cx); +void cx18_unmute(struct cx18 *cx); + +/* Utilities */ + +/* Try to claim a stream for the filehandle. Return 0 on success, + -EBUSY if stream already claimed. Once a stream is claimed, it + remains claimed until the associated filehandle is closed. */ +int cx18_claim_stream(struct cx18_open_id *id, int type); + +/* Release a previously claimed stream. */ +void cx18_release_stream(struct cx18_stream *s); diff --git a/drivers/media/video/cx18/cx18-firmware.c b/drivers/media/video/cx18/cx18-firmware.c new file mode 100644 index 0000000..2694ce3 --- /dev/null +++ b/drivers/media/video/cx18/cx18-firmware.c @@ -0,0 +1,373 @@ +/* + * cx18 firmware functions + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-scb.h" +#include "cx18-irq.h" +#include "cx18-firmware.h" +#include "cx18-cards.h" +#include <linux/firmware.h> + +#define CX18_PROC_SOFT_RESET 0xc70010 +#define CX18_DDR_SOFT_RESET 0xc70014 +#define CX18_CLOCK_SELECT1 0xc71000 +#define CX18_CLOCK_SELECT2 0xc71004 +#define CX18_HALF_CLOCK_SELECT1 0xc71008 +#define CX18_HALF_CLOCK_SELECT2 0xc7100C +#define CX18_CLOCK_POLARITY1 0xc71010 +#define CX18_CLOCK_POLARITY2 0xc71014 +#define CX18_ADD_DELAY_ENABLE1 0xc71018 +#define CX18_ADD_DELAY_ENABLE2 0xc7101C +#define CX18_CLOCK_ENABLE1 0xc71020 +#define CX18_CLOCK_ENABLE2 0xc71024 + +#define CX18_REG_BUS_TIMEOUT_EN 0xc72024 + +#define CX18_AUDIO_ENABLE 0xc72014 +#define CX18_REG_BUS_TIMEOUT_EN 0xc72024 + +#define CX18_FAST_CLOCK_PLL_INT 0xc78000 +#define CX18_FAST_CLOCK_PLL_FRAC 0xc78004 +#define CX18_FAST_CLOCK_PLL_POST 0xc78008 +#define CX18_FAST_CLOCK_PLL_PRESCALE 0xc7800C +#define CX18_FAST_CLOCK_PLL_ADJUST_BANDWIDTH 0xc78010 + +#define CX18_SLOW_CLOCK_PLL_INT 0xc78014 +#define CX18_SLOW_CLOCK_PLL_FRAC 0xc78018 +#define CX18_SLOW_CLOCK_PLL_POST 0xc7801C +#define CX18_MPEG_CLOCK_PLL_INT 0xc78040 +#define CX18_MPEG_CLOCK_PLL_FRAC 0xc78044 +#define CX18_MPEG_CLOCK_PLL_POST 0xc78048 +#define CX18_PLL_POWER_DOWN 0xc78088 +#define CX18_SW1_INT_STATUS 0xc73104 +#define CX18_SW1_INT_ENABLE_PCI 0xc7311C +#define CX18_SW2_INT_SET 0xc73140 +#define CX18_SW2_INT_STATUS 0xc73144 +#define CX18_ADEC_CONTROL 0xc78120 + +#define CX18_DDR_REQUEST_ENABLE 0xc80000 +#define CX18_DDR_CHIP_CONFIG 0xc80004 +#define CX18_DDR_REFRESH 0xc80008 +#define CX18_DDR_TIMING1 0xc8000C +#define CX18_DDR_TIMING2 0xc80010 +#define CX18_DDR_POWER_REG 0xc8001C + +#define CX18_DDR_TUNE_LANE 0xc80048 +#define CX18_DDR_INITIAL_EMRS 0xc80054 +#define CX18_DDR_MB_PER_ROW_7 0xc8009C +#define CX18_DDR_BASE_63_ADDR 0xc804FC + +#define CX18_WMB_CLIENT02 0xc90108 +#define CX18_WMB_CLIENT05 0xc90114 +#define CX18_WMB_CLIENT06 0xc90118 +#define CX18_WMB_CLIENT07 0xc9011C +#define CX18_WMB_CLIENT08 0xc90120 +#define CX18_WMB_CLIENT09 0xc90124 +#define CX18_WMB_CLIENT10 0xc90128 +#define CX18_WMB_CLIENT11 0xc9012C +#define CX18_WMB_CLIENT12 0xc90130 +#define CX18_WMB_CLIENT13 0xc90134 +#define CX18_WMB_CLIENT14 0xc90138 + +#define CX18_DSP0_INTERRUPT_MASK 0xd0004C + +/* Encoder/decoder firmware sizes */ +#define CX18_FW_CPU_SIZE (174716) +#define CX18_FW_APU_SIZE (141200) + +#define APU_ROM_SYNC1 0x6D676553 /* "mgeS" */ +#define APU_ROM_SYNC2 0x72646548 /* "rdeH" */ + +struct cx18_apu_rom_seghdr { + u32 sync1; + u32 sync2; + u32 addr; + u32 size; +}; + +static int load_cpu_fw_direct(const char *fn, u8 __iomem *mem, struct cx18 *cx, long size) +{ + const struct firmware *fw = NULL; + int retries = 3; + int i, j; + u32 __iomem *dst = (u32 __iomem *)mem; + const u32 *src; + +retry: + if (!retries || request_firmware(&fw, fn, &cx->dev->dev)) { + CX18_ERR("Unable to open firmware %s (must be %ld bytes)\n", + fn, size); + CX18_ERR("Did you put the firmware in the hotplug firmware directory?\n"); + return -ENOMEM; + } + + src = (const u32 *)fw->data; + + if (fw->size != size) { + /* Due to race conditions in firmware loading (esp. with + udev <0.95) the wrong file was sometimes loaded. So we check + filesizes to see if at least the right-sized file was + loaded. If not, then we retry. */ + CX18_INFO("retry: file loaded was not %s (expected size %ld, got %zd)\n", + fn, size, fw->size); + release_firmware(fw); + retries--; + goto retry; + } + for (i = 0; i < fw->size; i += 4096) { + setup_page(i); + for (j = i; j < fw->size && j < i + 4096; j += 4) { + /* no need for endianness conversion on the ppc */ + __raw_writel(*src, dst); + if (__raw_readl(dst) != *src) { + CX18_ERR("Mismatch at offset %x\n", i); + release_firmware(fw); + return -EIO; + } + dst++; + src++; + } + } + if (!test_bit(CX18_F_I_LOADED_FW, &cx->i_flags)) + CX18_INFO("loaded %s firmware (%zd bytes)\n", fn, fw->size); + release_firmware(fw); + return size; +} + +static int load_apu_fw_direct(const char *fn, u8 __iomem *dst, struct cx18 *cx, long size) +{ + const struct firmware *fw = NULL; + int retries = 3; + int i, j; + const u32 *src; + struct cx18_apu_rom_seghdr seghdr; + const u8 *vers; + u32 offset = 0; + u32 apu_version = 0; + int sz; + +retry: + if (!retries || request_firmware(&fw, fn, &cx->dev->dev)) { + CX18_ERR("unable to open firmware %s (must be %ld bytes)\n", + fn, size); + CX18_ERR("did you put the firmware in the hotplug firmware directory?\n"); + return -ENOMEM; + } + + src = (const u32 *)fw->data; + vers = fw->data + sizeof(seghdr); + sz = fw->size; + + if (fw->size != size) { + /* Due to race conditions in firmware loading (esp. with + udev <0.95) the wrong file was sometimes loaded. So we check + filesizes to see if at least the right-sized file was + loaded. If not, then we retry. */ + CX18_INFO("retry: file loaded was not %s (expected size %ld, got %zd)\n", + fn, size, fw->size); + release_firmware(fw); + retries--; + goto retry; + } + apu_version = (vers[0] << 24) | (vers[4] << 16) | vers[32]; + while (offset + sizeof(seghdr) < size) { + /* TODO: byteswapping */ + memcpy(&seghdr, src + offset / 4, sizeof(seghdr)); + offset += sizeof(seghdr); + if (seghdr.sync1 != APU_ROM_SYNC1 || + seghdr.sync2 != APU_ROM_SYNC2) { + offset += seghdr.size; + continue; + } + CX18_DEBUG_INFO("load segment %x-%x\n", seghdr.addr, + seghdr.addr + seghdr.size - 1); + if (offset + seghdr.size > sz) + break; + for (i = 0; i < seghdr.size; i += 4096) { + setup_page(offset + i); + for (j = i; j < seghdr.size && j < i + 4096; j += 4) { + /* no need for endianness conversion on the ppc */ + __raw_writel(src[(offset + j) / 4], dst + seghdr.addr + j); + if (__raw_readl(dst + seghdr.addr + j) != src[(offset + j) / 4]) { + CX18_ERR("Mismatch at offset %x\n", offset + j); + release_firmware(fw); + return -EIO; + } + } + } + offset += seghdr.size; + } + if (!test_bit(CX18_F_I_LOADED_FW, &cx->i_flags)) + CX18_INFO("loaded %s firmware V%08x (%zd bytes)\n", + fn, apu_version, fw->size); + release_firmware(fw); + /* Clear bit0 for APU to start from 0 */ + write_reg(read_reg(0xc72030) & ~1, 0xc72030); + return size; +} + +void cx18_halt_firmware(struct cx18 *cx) +{ + CX18_DEBUG_INFO("Preparing for firmware halt.\n"); + write_reg(0x000F000F, CX18_PROC_SOFT_RESET); /* stop the fw */ + write_reg(0x00020002, CX18_ADEC_CONTROL); +} + +void cx18_init_power(struct cx18 *cx, int lowpwr) +{ + /* power-down Spare and AOM PLLs */ + /* power-up fast, slow and mpeg PLLs */ + write_reg(0x00000008, CX18_PLL_POWER_DOWN); + + /* ADEC out of sleep */ + write_reg(0x00020000, CX18_ADEC_CONTROL); + + /* The fast clock is at 200/245 MHz */ + write_reg(lowpwr ? 0xD : 0x11, CX18_FAST_CLOCK_PLL_INT); + write_reg(lowpwr ? 0x1EFBF37 : 0x038E3D7, CX18_FAST_CLOCK_PLL_FRAC); + + write_reg(2, CX18_FAST_CLOCK_PLL_POST); + write_reg(1, CX18_FAST_CLOCK_PLL_PRESCALE); + write_reg(4, CX18_FAST_CLOCK_PLL_ADJUST_BANDWIDTH); + + /* set slow clock to 125/120 MHz */ + write_reg(lowpwr ? 0x11 : 0x10, CX18_SLOW_CLOCK_PLL_INT); + write_reg(lowpwr ? 0xEBAF05 : 0x18618A8, CX18_SLOW_CLOCK_PLL_FRAC); + write_reg(4, CX18_SLOW_CLOCK_PLL_POST); + + /* mpeg clock pll 54MHz */ + write_reg(0xF, CX18_MPEG_CLOCK_PLL_INT); + write_reg(0x2BCFEF, CX18_MPEG_CLOCK_PLL_FRAC); + write_reg(8, CX18_MPEG_CLOCK_PLL_POST); + + /* Defaults */ + /* APU = SC or SC/2 = 125/62.5 */ + /* EPU = SC = 125 */ + /* DDR = FC = 180 */ + /* ENC = SC = 125 */ + /* AI1 = SC = 125 */ + /* VIM2 = disabled */ + /* PCI = FC/2 = 90 */ + /* AI2 = disabled */ + /* DEMUX = disabled */ + /* AO = SC/2 = 62.5 */ + /* SER = 54MHz */ + /* VFC = disabled */ + /* USB = disabled */ + + write_reg(lowpwr ? 0xFFFF0020 : 0x00060004, CX18_CLOCK_SELECT1); + write_reg(lowpwr ? 0xFFFF0004 : 0x00060006, CX18_CLOCK_SELECT2); + + write_reg(0xFFFF0002, CX18_HALF_CLOCK_SELECT1); + write_reg(0xFFFF0104, CX18_HALF_CLOCK_SELECT2); + + write_reg(0xFFFF9026, CX18_CLOCK_ENABLE1); + write_reg(0xFFFF3105, CX18_CLOCK_ENABLE2); +} + +void cx18_init_memory(struct cx18 *cx) +{ + cx18_msleep_timeout(10, 0); + write_reg(0x10000, CX18_DDR_SOFT_RESET); + cx18_msleep_timeout(10, 0); + + write_reg(cx->card->ddr.chip_config, CX18_DDR_CHIP_CONFIG); + + cx18_msleep_timeout(10, 0); + + write_reg(cx->card->ddr.refresh, CX18_DDR_REFRESH); + write_reg(cx->card->ddr.timing1, CX18_DDR_TIMING1); + write_reg(cx->card->ddr.timing2, CX18_DDR_TIMING2); + + cx18_msleep_timeout(10, 0); + + /* Initialize DQS pad time */ + write_reg(cx->card->ddr.tune_lane, CX18_DDR_TUNE_LANE); + write_reg(cx->card->ddr.initial_emrs, CX18_DDR_INITIAL_EMRS); + + cx18_msleep_timeout(10, 0); + + write_reg(0x20000, CX18_DDR_SOFT_RESET); + cx18_msleep_timeout(10, 0); + + /* use power-down mode when idle */ + write_reg(0x00000010, CX18_DDR_POWER_REG); + + write_reg(0x10001, CX18_REG_BUS_TIMEOUT_EN); + + write_reg(0x48, CX18_DDR_MB_PER_ROW_7); + write_reg(0xE0000, CX18_DDR_BASE_63_ADDR); + + write_reg(0x00000101, CX18_WMB_CLIENT02); /* AO */ + write_reg(0x00000101, CX18_WMB_CLIENT09); /* AI2 */ + write_reg(0x00000101, CX18_WMB_CLIENT05); /* VIM1 */ + write_reg(0x00000101, CX18_WMB_CLIENT06); /* AI1 */ + write_reg(0x00000101, CX18_WMB_CLIENT07); /* 3D comb */ + write_reg(0x00000101, CX18_WMB_CLIENT10); /* ME */ + write_reg(0x00000101, CX18_WMB_CLIENT12); /* ENC */ + write_reg(0x00000101, CX18_WMB_CLIENT13); /* PK */ + write_reg(0x00000101, CX18_WMB_CLIENT11); /* RC */ + write_reg(0x00000101, CX18_WMB_CLIENT14); /* AVO */ +} + +int cx18_firmware_init(struct cx18 *cx) +{ + /* Allow chip to control CLKRUN */ + write_reg(0x5, CX18_DSP0_INTERRUPT_MASK); + + write_reg(0x000F000F, CX18_PROC_SOFT_RESET); /* stop the fw */ + + cx18_msleep_timeout(1, 0); + + sw1_irq_enable(IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); + sw2_irq_enable(IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); + + /* Only if the processor is not running */ + if (read_reg(CX18_PROC_SOFT_RESET) & 8) { + int sz = load_apu_fw_direct("v4l-cx23418-apu.fw", + cx->enc_mem, cx, CX18_FW_APU_SIZE); + + sz = sz <= 0 ? sz : load_cpu_fw_direct("v4l-cx23418-cpu.fw", + cx->enc_mem, cx, CX18_FW_CPU_SIZE); + + if (sz > 0) { + int retries = 0; + + /* start the CPU */ + write_reg(0x00080000, CX18_PROC_SOFT_RESET); + while (retries++ < 50) { /* Loop for max 500mS */ + if ((read_reg(CX18_PROC_SOFT_RESET) & 1) == 0) + break; + cx18_msleep_timeout(10, 0); + } + cx18_msleep_timeout(200, 0); + if (retries == 51) { + CX18_ERR("Could not start the CPU\n"); + return -EIO; + } + } + if (sz <= 0) + return -EIO; + } + /* initialize GPIO */ + write_reg(0x14001400, 0xC78110); + return 0; +} diff --git a/drivers/media/video/cx18/cx18-firmware.h b/drivers/media/video/cx18/cx18-firmware.h new file mode 100644 index 0000000..38d4c05 --- /dev/null +++ b/drivers/media/video/cx18/cx18-firmware.h @@ -0,0 +1,25 @@ +/* + * cx18 firmware functions + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +int cx18_firmware_init(struct cx18 *cx); +void cx18_halt_firmware(struct cx18 *cx); +void cx18_init_memory(struct cx18 *cx); +void cx18_init_power(struct cx18 *cx, int lowpwr); diff --git a/drivers/media/video/cx18/cx18-gpio.c b/drivers/media/video/cx18/cx18-gpio.c new file mode 100644 index 0000000..19253e6 --- /dev/null +++ b/drivers/media/video/cx18/cx18-gpio.c @@ -0,0 +1,74 @@ +/* + * cx18 gpio functions + * + * Derived from ivtv-gpio.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-cards.h" +#include "cx18-gpio.h" +#include "tuner-xc2028.h" + +/********************* GPIO stuffs *********************/ + +/* GPIO registers */ +#define CX18_REG_GPIO_IN 0xc72010 +#define CX18_REG_GPIO_OUT1 0xc78100 +#define CX18_REG_GPIO_DIR1 0xc78108 +#define CX18_REG_GPIO_OUT2 0xc78104 +#define CX18_REG_GPIO_DIR2 0xc7810c + +/* + * HVR-1600 GPIO pins, courtesy of Hauppauge: + * + * gpio0: zilog ir process reset pin + * gpio1: zilog programming pin (you should never use this) + * gpio12: cx24227 reset pin + * gpio13: cs5345 reset pin +*/ + +void cx18_gpio_init(struct cx18 *cx) +{ + if (cx->card->gpio_init.direction == 0) + return; + + CX18_DEBUG_INFO("GPIO initial dir: %08x out: %08x\n", + read_reg(CX18_REG_GPIO_DIR1), read_reg(CX18_REG_GPIO_OUT1)); + + /* init output data then direction */ + write_reg(cx->card->gpio_init.direction << 16, CX18_REG_GPIO_DIR1); + write_reg(0, CX18_REG_GPIO_DIR2); + write_reg((cx->card->gpio_init.direction << 16) | + cx->card->gpio_init.initial_value, CX18_REG_GPIO_OUT1); + write_reg(0, CX18_REG_GPIO_OUT2); +} + +/* Xceive tuner reset function */ +int cx18_reset_tuner_gpio(void *dev, int cmd, int value) +{ + struct i2c_algo_bit_data *algo = dev; + struct cx18 *cx = algo->data; +/* int curdir, curout;*/ + + if (cmd != XC2028_TUNER_RESET) + return 0; + CX18_DEBUG_INFO("Resetting tuner\n"); + return 0; +} diff --git a/drivers/media/video/cx18/cx18-gpio.h b/drivers/media/video/cx18/cx18-gpio.h new file mode 100644 index 0000000..41bac88 --- /dev/null +++ b/drivers/media/video/cx18/cx18-gpio.h @@ -0,0 +1,24 @@ +/* + * cx18 gpio functions + * + * Derived from ivtv-gpio.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +void cx18_gpio_init(struct cx18 *cx); +int cx18_reset_tuner_gpio(void *dev, int cmd, int value); diff --git a/drivers/media/video/cx18/cx18-i2c.c b/drivers/media/video/cx18/cx18-i2c.c new file mode 100644 index 0000000..18c88d1 --- /dev/null +++ b/drivers/media/video/cx18/cx18-i2c.c @@ -0,0 +1,431 @@ +/* + * cx18 I2C functions + * + * Derived from ivtv-i2c.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-cards.h" +#include "cx18-gpio.h" +#include "cx18-av-core.h" + +#include <media/ir-kbd-i2c.h> + +#define CX18_REG_I2C_1_WR 0xf15000 +#define CX18_REG_I2C_1_RD 0xf15008 +#define CX18_REG_I2C_2_WR 0xf25100 +#define CX18_REG_I2C_2_RD 0xf25108 + +#define SETSCL_BIT 0x0001 +#define SETSDL_BIT 0x0002 +#define GETSCL_BIT 0x0004 +#define GETSDL_BIT 0x0008 + +#ifndef I2C_ADAP_CLASS_TV_ANALOG +#define I2C_ADAP_CLASS_TV_ANALOG I2C_CLASS_TV_ANALOG +#endif + +#define CX18_CS5345_I2C_ADDR 0x4c + +/* This array should match the CX18_HW_ defines */ +static const u8 hw_driverids[] = { + I2C_DRIVERID_TUNER, + I2C_DRIVERID_TVEEPROM, + I2C_DRIVERID_CS5345, + 0, /* CX18_HW_GPIO dummy driver ID */ + 0 /* CX18_HW_CX23418 dummy driver ID */ +}; + +/* This array should match the CX18_HW_ defines */ +static const u8 hw_addrs[] = { + 0, + 0, + CX18_CS5345_I2C_ADDR, + 0, /* CX18_HW_GPIO dummy driver ID */ + 0, /* CX18_HW_CX23418 dummy driver ID */ +}; + +/* This array should match the CX18_HW_ defines */ +/* This might well become a card-specific array */ +static const u8 hw_bus[] = { + 0, + 0, + 0, + 0, /* CX18_HW_GPIO dummy driver ID */ + 0, /* CX18_HW_CX23418 dummy driver ID */ +}; + +/* This array should match the CX18_HW_ defines */ +static const char * const hw_drivernames[] = { + "tuner", + "tveeprom", + "cs5345", + "gpio", + "cx23418", +}; + +int cx18_i2c_register(struct cx18 *cx, unsigned idx) +{ + struct i2c_board_info info; + struct i2c_client *c; + u8 id, bus; + int i; + + CX18_DEBUG_I2C("i2c client register\n"); + if (idx >= ARRAY_SIZE(hw_driverids) || hw_driverids[idx] == 0) + return -1; + id = hw_driverids[idx]; + bus = hw_bus[idx]; + memset(&info, 0, sizeof(info)); + strlcpy(info.driver_name, hw_drivernames[idx], + sizeof(info.driver_name)); + info.addr = hw_addrs[idx]; + for (i = 0; i < I2C_CLIENTS_MAX; i++) + if (cx->i2c_clients[i] == NULL) + break; + + if (i == I2C_CLIENTS_MAX) { + CX18_ERR("insufficient room for new I2C client!\n"); + return -ENOMEM; + } + + if (id != I2C_DRIVERID_TUNER) { + c = i2c_new_device(&cx->i2c_adap[bus], &info); + if (c->driver == NULL) + i2c_unregister_device(c); + else + cx->i2c_clients[i] = c; + return cx->i2c_clients[i] ? 0 : -ENODEV; + } + + /* special tuner handling */ + c = i2c_new_probed_device(&cx->i2c_adap[1], &info, cx->card_i2c->radio); + if (c && c->driver == NULL) + i2c_unregister_device(c); + else if (c) + cx->i2c_clients[i++] = c; + c = i2c_new_probed_device(&cx->i2c_adap[1], &info, cx->card_i2c->demod); + if (c && c->driver == NULL) + i2c_unregister_device(c); + else if (c) + cx->i2c_clients[i++] = c; + c = i2c_new_probed_device(&cx->i2c_adap[1], &info, cx->card_i2c->tv); + if (c && c->driver == NULL) + i2c_unregister_device(c); + else if (c) + cx->i2c_clients[i++] = c; + return 0; +} + +static int attach_inform(struct i2c_client *client) +{ + return 0; +} + +static int detach_inform(struct i2c_client *client) +{ + int i; + struct cx18 *cx = (struct cx18 *)i2c_get_adapdata(client->adapter); + + CX18_DEBUG_I2C("i2c client detach\n"); + for (i = 0; i < I2C_CLIENTS_MAX; i++) { + if (cx->i2c_clients[i] == client) { + cx->i2c_clients[i] = NULL; + break; + } + } + CX18_DEBUG_I2C("i2c detach [client=%s,%s]\n", + client->name, (i < I2C_CLIENTS_MAX) ? "ok" : "failed"); + + return 0; +} + +static void cx18_setscl(void *data, int state) +{ + struct cx18 *cx = ((struct cx18_i2c_algo_callback_data *)data)->cx; + int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; + u32 addr = bus_index ? CX18_REG_I2C_2_WR : CX18_REG_I2C_1_WR; + u32 r = read_reg(addr); + + if (state) + write_reg_sync(r | SETSCL_BIT, addr); + else + write_reg_sync(r & ~SETSCL_BIT, addr); +} + +static void cx18_setsda(void *data, int state) +{ + struct cx18 *cx = ((struct cx18_i2c_algo_callback_data *)data)->cx; + int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; + u32 addr = bus_index ? CX18_REG_I2C_2_WR : CX18_REG_I2C_1_WR; + u32 r = read_reg(addr); + + if (state) + write_reg_sync(r | SETSDL_BIT, addr); + else + write_reg_sync(r & ~SETSDL_BIT, addr); +} + +static int cx18_getscl(void *data) +{ + struct cx18 *cx = ((struct cx18_i2c_algo_callback_data *)data)->cx; + int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; + u32 addr = bus_index ? CX18_REG_I2C_2_RD : CX18_REG_I2C_1_RD; + + return read_reg(addr) & GETSCL_BIT; +} + +static int cx18_getsda(void *data) +{ + struct cx18 *cx = ((struct cx18_i2c_algo_callback_data *)data)->cx; + int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; + u32 addr = bus_index ? CX18_REG_I2C_2_RD : CX18_REG_I2C_1_RD; + + return read_reg(addr) & GETSDL_BIT; +} + +/* template for i2c-bit-algo */ +static struct i2c_adapter cx18_i2c_adap_template = { + .name = "cx18 i2c driver", + .id = I2C_HW_B_CX2341X, + .algo = NULL, /* set by i2c-algo-bit */ + .algo_data = NULL, /* filled from template */ + .client_register = attach_inform, + .client_unregister = detach_inform, + .owner = THIS_MODULE, +}; + +#define CX18_SCL_PERIOD (10) /* usecs. 10 usec is period for a 100 KHz clock */ +#define CX18_ALGO_BIT_TIMEOUT (2) /* seconds */ + +static struct i2c_algo_bit_data cx18_i2c_algo_template = { + .setsda = cx18_setsda, + .setscl = cx18_setscl, + .getsda = cx18_getsda, + .getscl = cx18_getscl, + .udelay = CX18_SCL_PERIOD/2, /* 1/2 clock period in usec*/ + .timeout = CX18_ALGO_BIT_TIMEOUT*HZ /* jiffies */ +}; + +static struct i2c_client cx18_i2c_client_template = { + .name = "cx18 internal", +}; + +int cx18_call_i2c_client(struct cx18 *cx, int addr, unsigned cmd, void *arg) +{ + struct i2c_client *client; + int retval; + int i; + + CX18_DEBUG_I2C("call_i2c_client addr=%02x\n", addr); + for (i = 0; i < I2C_CLIENTS_MAX; i++) { + client = cx->i2c_clients[i]; + if (client == NULL || client->driver == NULL || + client->driver->command == NULL) + continue; + if (addr == client->addr) { + retval = client->driver->command(client, cmd, arg); + return retval; + } + } + if (cmd != VIDIOC_G_CHIP_IDENT) + CX18_ERR("i2c addr 0x%02x not found for cmd 0x%x!\n", + addr, cmd); + return -ENODEV; +} + +/* Find the i2c device based on the driver ID and return + its i2c address or -ENODEV if no matching device was found. */ +static int cx18_i2c_id_addr(struct cx18 *cx, u32 id) +{ + struct i2c_client *client; + int retval = -ENODEV; + int i; + + for (i = 0; i < I2C_CLIENTS_MAX; i++) { + client = cx->i2c_clients[i]; + if (client == NULL || client->driver == NULL) + continue; + if (id == client->driver->id) { + retval = client->addr; + break; + } + } + return retval; +} + +/* Find the i2c device name matching the DRIVERID */ +static const char *cx18_i2c_id_name(u32 id) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(hw_driverids); i++) + if (hw_driverids[i] == id) + return hw_drivernames[i]; + return "unknown device"; +} + +/* Find the i2c device name matching the CX18_HW_ flag */ +static const char *cx18_i2c_hw_name(u32 hw) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(hw_driverids); i++) + if (1 << i == hw) + return hw_drivernames[i]; + return "unknown device"; +} + +/* Find the i2c device matching the CX18_HW_ flag and return + its i2c address or -ENODEV if no matching device was found. */ +int cx18_i2c_hw_addr(struct cx18 *cx, u32 hw) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(hw_driverids); i++) + if (1 << i == hw) + return cx18_i2c_id_addr(cx, hw_driverids[i]); + return -ENODEV; +} + +/* Calls i2c device based on CX18_HW_ flag. If hw == 0, then do nothing. + If hw == CX18_HW_GPIO then call the gpio handler. */ +int cx18_i2c_hw(struct cx18 *cx, u32 hw, unsigned int cmd, void *arg) +{ + int addr; + + if (hw == CX18_HW_GPIO || hw == 0) + return 0; + if (hw == CX18_HW_CX23418) + return cx18_av_cmd(cx, cmd, arg); + + addr = cx18_i2c_hw_addr(cx, hw); + if (addr < 0) { + CX18_ERR("i2c hardware 0x%08x (%s) not found for cmd 0x%x!\n", + hw, cx18_i2c_hw_name(hw), cmd); + return addr; + } + return cx18_call_i2c_client(cx, addr, cmd, arg); +} + +/* Calls i2c device based on I2C driver ID. */ +int cx18_i2c_id(struct cx18 *cx, u32 id, unsigned int cmd, void *arg) +{ + int addr; + + addr = cx18_i2c_id_addr(cx, id); + if (addr < 0) { + if (cmd != VIDIOC_G_CHIP_IDENT) + CX18_ERR("i2c ID 0x%08x (%s) not found for cmd 0x%x!\n", + id, cx18_i2c_id_name(id), cmd); + return addr; + } + return cx18_call_i2c_client(cx, addr, cmd, arg); +} + +/* broadcast cmd for all I2C clients and for the gpio subsystem */ +void cx18_call_i2c_clients(struct cx18 *cx, unsigned int cmd, void *arg) +{ + if (cx->i2c_adap[0].algo == NULL || cx->i2c_adap[1].algo == NULL) { + CX18_ERR("adapter is not set\n"); + return; + } + cx18_av_cmd(cx, cmd, arg); + i2c_clients_command(&cx->i2c_adap[0], cmd, arg); + i2c_clients_command(&cx->i2c_adap[1], cmd, arg); +} + +/* init + register i2c algo-bit adapter */ +int init_cx18_i2c(struct cx18 *cx) +{ + int i; + CX18_DEBUG_I2C("i2c init\n"); + + for (i = 0; i < 2; i++) { + memcpy(&cx->i2c_adap[i], &cx18_i2c_adap_template, + sizeof(struct i2c_adapter)); + memcpy(&cx->i2c_algo[i], &cx18_i2c_algo_template, + sizeof(struct i2c_algo_bit_data)); + cx->i2c_algo_cb_data[i].cx = cx; + cx->i2c_algo_cb_data[i].bus_index = i; + cx->i2c_algo[i].data = &cx->i2c_algo_cb_data[i]; + cx->i2c_adap[i].algo_data = &cx->i2c_algo[i]; + + sprintf(cx->i2c_adap[i].name + strlen(cx->i2c_adap[i].name), + " #%d-%d", cx->num, i); + i2c_set_adapdata(&cx->i2c_adap[i], cx); + + memcpy(&cx->i2c_client[i], &cx18_i2c_client_template, + sizeof(struct i2c_client)); + sprintf(cx->i2c_client[i].name + + strlen(cx->i2c_client[i].name), "%d", i); + cx->i2c_client[i].adapter = &cx->i2c_adap[i]; + cx->i2c_adap[i].dev.parent = &cx->dev->dev; + } + + if (read_reg(CX18_REG_I2C_2_WR) != 0x0003c02f) { + /* Reset/Unreset I2C hardware block */ + write_reg(0x10000000, 0xc71004); /* Clock select 220MHz */ + write_reg_sync(0x10001000, 0xc71024); /* Clock Enable */ + } + /* courtesy of Steven Toth <stoth@hauppauge.com> */ + write_reg_sync(0x00c00000, 0xc7001c); + mdelay(10); + write_reg_sync(0x00c000c0, 0xc7001c); + mdelay(10); + write_reg_sync(0x00c00000, 0xc7001c); + + write_reg_sync(0x00c00000, 0xc730c8); /* Set to edge-triggered intrs. */ + write_reg_sync(0x00c00000, 0xc730c4); /* Clear any stale intrs */ + + /* Hw I2C1 Clock Freq ~100kHz */ + write_reg_sync(0x00021c0f & ~4, CX18_REG_I2C_1_WR); + cx18_setscl(&cx->i2c_algo_cb_data[0], 1); + cx18_setsda(&cx->i2c_algo_cb_data[0], 1); + + /* Hw I2C2 Clock Freq ~100kHz */ + write_reg_sync(0x00021c0f & ~4, CX18_REG_I2C_2_WR); + cx18_setscl(&cx->i2c_algo_cb_data[1], 1); + cx18_setsda(&cx->i2c_algo_cb_data[1], 1); + + return i2c_bit_add_bus(&cx->i2c_adap[0]) || + i2c_bit_add_bus(&cx->i2c_adap[1]); +} + +void exit_cx18_i2c(struct cx18 *cx) +{ + int i; + CX18_DEBUG_I2C("i2c exit\n"); + write_reg(read_reg(CX18_REG_I2C_1_WR) | 4, CX18_REG_I2C_1_WR); + write_reg(read_reg(CX18_REG_I2C_2_WR) | 4, CX18_REG_I2C_2_WR); + + for (i = 0; i < 2; i++) { + i2c_del_adapter(&cx->i2c_adap[i]); + } +} + +/* + Hauppauge HVR1600 should have: + 32 cx24227 + 98 unknown + a0 eeprom + c2 tuner + e? zilog ir + */ diff --git a/drivers/media/video/cx18/cx18-i2c.h b/drivers/media/video/cx18/cx18-i2c.h new file mode 100644 index 0000000..113c3f9 --- /dev/null +++ b/drivers/media/video/cx18/cx18-i2c.h @@ -0,0 +1,33 @@ +/* + * cx18 I2C functions + * + * Derived from ivtv-i2c.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +int cx18_i2c_hw_addr(struct cx18 *cx, u32 hw); +int cx18_i2c_hw(struct cx18 *cx, u32 hw, unsigned int cmd, void *arg); +int cx18_i2c_id(struct cx18 *cx, u32 id, unsigned int cmd, void *arg); +int cx18_call_i2c_client(struct cx18 *cx, int addr, unsigned cmd, void *arg); +void cx18_call_i2c_clients(struct cx18 *cx, unsigned int cmd, void *arg); +int cx18_i2c_register(struct cx18 *cx, unsigned idx); + +/* init + register i2c algo-bit adapter */ +int init_cx18_i2c(struct cx18 *cx); +void exit_cx18_i2c(struct cx18 *cx); diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c new file mode 100644 index 0000000..4a93af2 --- /dev/null +++ b/drivers/media/video/cx18/cx18-ioctl.c @@ -0,0 +1,851 @@ +/* + * cx18 ioctl system call + * + * Derived from ivtv-ioctl.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-version.h" +#include "cx18-mailbox.h" +#include "cx18-i2c.h" +#include "cx18-queue.h" +#include "cx18-fileops.h" +#include "cx18-vbi.h" +#include "cx18-audio.h" +#include "cx18-video.h" +#include "cx18-streams.h" +#include "cx18-ioctl.h" +#include "cx18-gpio.h" +#include "cx18-controls.h" +#include "cx18-cards.h" +#include "cx18-av-core.h" +#include <media/tveeprom.h> +#include <media/v4l2-chip-ident.h> +#include <linux/i2c-id.h> + +u16 service2vbi(int type) +{ + switch (type) { + case V4L2_SLICED_TELETEXT_B: + return CX18_SLICED_TYPE_TELETEXT_B; + case V4L2_SLICED_CAPTION_525: + return CX18_SLICED_TYPE_CAPTION_525; + case V4L2_SLICED_WSS_625: + return CX18_SLICED_TYPE_WSS_625; + case V4L2_SLICED_VPS: + return CX18_SLICED_TYPE_VPS; + default: + return 0; + } +} + +static int valid_service_line(int field, int line, int is_pal) +{ + return (is_pal && line >= 6 && (line != 23 || field == 0)) || + (!is_pal && line >= 10 && line < 22); +} + +static u16 select_service_from_set(int field, int line, u16 set, int is_pal) +{ + u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525); + int i; + + set = set & valid_set; + if (set == 0 || !valid_service_line(field, line, is_pal)) + return 0; + if (!is_pal) { + if (line == 21 && (set & V4L2_SLICED_CAPTION_525)) + return V4L2_SLICED_CAPTION_525; + } else { + if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS)) + return V4L2_SLICED_VPS; + if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625)) + return V4L2_SLICED_WSS_625; + if (line == 23) + return 0; + } + for (i = 0; i < 32; i++) { + if ((1 << i) & set) + return 1 << i; + } + return 0; +} + +void expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) +{ + u16 set = fmt->service_set; + int f, l; + + fmt->service_set = 0; + for (f = 0; f < 2; f++) { + for (l = 0; l < 24; l++) + fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal); + } +} + +static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) +{ + int f, l; + u16 set = 0; + + for (f = 0; f < 2; f++) { + for (l = 0; l < 24; l++) { + fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal); + set |= fmt->service_lines[f][l]; + } + } + return set != 0; +} + +u16 get_service_set(struct v4l2_sliced_vbi_format *fmt) +{ + int f, l; + u16 set = 0; + + for (f = 0; f < 2; f++) { + for (l = 0; l < 24; l++) + set |= fmt->service_lines[f][l]; + } + return set; +} + +static const struct { + v4l2_std_id std; + char *name; +} enum_stds[] = { + { V4L2_STD_PAL_BG | V4L2_STD_PAL_H, "PAL-BGH" }, + { V4L2_STD_PAL_DK, "PAL-DK" }, + { V4L2_STD_PAL_I, "PAL-I" }, + { V4L2_STD_PAL_M, "PAL-M" }, + { V4L2_STD_PAL_N, "PAL-N" }, + { V4L2_STD_PAL_Nc, "PAL-Nc" }, + { V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H, "SECAM-BGH" }, + { V4L2_STD_SECAM_DK, "SECAM-DK" }, + { V4L2_STD_SECAM_L, "SECAM-L" }, + { V4L2_STD_SECAM_LC, "SECAM-L'" }, + { V4L2_STD_NTSC_M, "NTSC-M" }, + { V4L2_STD_NTSC_M_JP, "NTSC-J" }, + { V4L2_STD_NTSC_M_KR, "NTSC-K" }, +}; + +static const struct v4l2_standard cx18_std_60hz = { + .frameperiod = {.numerator = 1001, .denominator = 30000}, + .framelines = 525, +}; + +static const struct v4l2_standard cx18_std_50hz = { + .frameperiod = { .numerator = 1, .denominator = 25 }, + .framelines = 625, +}; + +static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg) +{ + struct v4l2_register *regs = arg; + unsigned long flags; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + if (regs->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE) + return -EINVAL; + + spin_lock_irqsave(&cx18_cards_lock, flags); + if (cmd == VIDIOC_DBG_G_REGISTER) + regs->val = read_enc(regs->reg); + else + write_enc(regs->val, regs->reg); + spin_unlock_irqrestore(&cx18_cards_lock, flags); + return 0; +} + +static int cx18_get_fmt(struct cx18 *cx, int streamtype, struct v4l2_format *fmt) +{ + switch (fmt->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + fmt->fmt.pix.width = cx->params.width; + fmt->fmt.pix.height = cx->params.height; + fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + fmt->fmt.pix.field = V4L2_FIELD_INTERLACED; + if (streamtype == CX18_ENC_STREAM_TYPE_YUV) { + fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12; + /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */ + fmt->fmt.pix.sizeimage = + fmt->fmt.pix.height * fmt->fmt.pix.width + + fmt->fmt.pix.height * (fmt->fmt.pix.width / 2); + } else { + fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; + fmt->fmt.pix.sizeimage = 128 * 1024; + } + break; + + case V4L2_BUF_TYPE_VBI_CAPTURE: + fmt->fmt.vbi.sampling_rate = 27000000; + fmt->fmt.vbi.offset = 248; + fmt->fmt.vbi.samples_per_line = cx->vbi.raw_decoder_line_size - 4; + fmt->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; + fmt->fmt.vbi.start[0] = cx->vbi.start[0]; + fmt->fmt.vbi.start[1] = cx->vbi.start[1]; + fmt->fmt.vbi.count[0] = fmt->fmt.vbi.count[1] = cx->vbi.count; + break; + + case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: + { + struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; + + vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36; + memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved)); + memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines)); + + cx18_av_cmd(cx, VIDIOC_G_FMT, fmt); + vbifmt->service_set = get_service_set(vbifmt); + break; + } + default: + return -EINVAL; + } + return 0; +} + +static int cx18_try_or_set_fmt(struct cx18 *cx, int streamtype, + struct v4l2_format *fmt, int set_fmt) +{ + struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; + u16 set; + + /* set window size */ + if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { + int w = fmt->fmt.pix.width; + int h = fmt->fmt.pix.height; + + if (w > 720) + w = 720; + else if (w < 1) + w = 1; + if (h > (cx->is_50hz ? 576 : 480)) + h = (cx->is_50hz ? 576 : 480); + else if (h < 2) + h = 2; + cx18_get_fmt(cx, streamtype, fmt); + fmt->fmt.pix.width = w; + fmt->fmt.pix.height = h; + + if (!set_fmt || (cx->params.width == w && cx->params.height == h)) + return 0; + if (atomic_read(&cx->capturing) > 0) + return -EBUSY; + + cx->params.width = w; + cx->params.height = h; + if (w != 720 || h != (cx->is_50hz ? 576 : 480)) + cx->params.video_temporal_filter = 0; + else + cx->params.video_temporal_filter = 8; + cx18_av_cmd(cx, VIDIOC_S_FMT, fmt); + return cx18_get_fmt(cx, streamtype, fmt); + } + + /* set raw VBI format */ + if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) { + if (set_fmt && streamtype == CX18_ENC_STREAM_TYPE_VBI && + cx->vbi.sliced_in->service_set && + atomic_read(&cx->capturing) > 0) + return -EBUSY; + if (set_fmt) { + cx->vbi.sliced_in->service_set = 0; + cx18_av_cmd(cx, VIDIOC_S_FMT, &cx->vbi.in); + } + return cx18_get_fmt(cx, streamtype, fmt); + } + + /* any else but sliced VBI capture is an error */ + if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) + return -EINVAL; + + /* TODO: implement sliced VBI, for now silently return 0 */ + return 0; + + /* set sliced VBI capture format */ + vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36; + memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved)); + + if (vbifmt->service_set) + expand_service_set(vbifmt, cx->is_50hz); + set = check_service_set(vbifmt, cx->is_50hz); + vbifmt->service_set = get_service_set(vbifmt); + + if (!set_fmt) + return 0; + if (set == 0) + return -EINVAL; + if (atomic_read(&cx->capturing) > 0 && cx->vbi.sliced_in->service_set == 0) + return -EBUSY; + cx18_av_cmd(cx, VIDIOC_S_FMT, fmt); + memcpy(cx->vbi.sliced_in, vbifmt, sizeof(*cx->vbi.sliced_in)); + return 0; +} + +static int cx18_debug_ioctls(struct file *filp, unsigned int cmd, void *arg) +{ + struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data; + struct cx18 *cx = id->cx; + struct v4l2_register *reg = arg; + + switch (cmd) { + /* ioctls to allow direct access to the encoder registers for testing */ + case VIDIOC_DBG_G_REGISTER: + if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) + return cx18_cxc(cx, cmd, arg); + if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER) + return cx18_i2c_id(cx, reg->match_chip, cmd, arg); + return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg); + + case VIDIOC_DBG_S_REGISTER: + if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) + return cx18_cxc(cx, cmd, arg); + if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER) + return cx18_i2c_id(cx, reg->match_chip, cmd, arg); + return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg); + + case VIDIOC_G_CHIP_IDENT: { + struct v4l2_chip_ident *chip = arg; + + chip->ident = V4L2_IDENT_NONE; + chip->revision = 0; + if (reg->match_type == V4L2_CHIP_MATCH_HOST) { + if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) { + struct v4l2_chip_ident *chip = arg; + + chip->ident = V4L2_IDENT_CX23418; + } + return 0; + } + if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER) + return cx18_i2c_id(cx, reg->match_chip, cmd, arg); + if (reg->match_type == V4L2_CHIP_MATCH_I2C_ADDR) + return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg); + return -EINVAL; + } + + case VIDIOC_INT_S_AUDIO_ROUTING: { + struct v4l2_routing *route = arg; + + cx18_audio_set_route(cx, route); + break; + } + + default: + return -EINVAL; + } + return 0; +} + +int cx18_v4l2_ioctls(struct cx18 *cx, struct file *filp, unsigned cmd, void *arg) +{ + struct cx18_open_id *id = NULL; + + if (filp) + id = (struct cx18_open_id *)filp->private_data; + + switch (cmd) { + case VIDIOC_G_PRIORITY: + { + enum v4l2_priority *p = arg; + + *p = v4l2_prio_max(&cx->prio); + break; + } + + case VIDIOC_S_PRIORITY: + { + enum v4l2_priority *prio = arg; + + return v4l2_prio_change(&cx->prio, &id->prio, *prio); + } + + case VIDIOC_QUERYCAP:{ + struct v4l2_capability *vcap = arg; + + memset(vcap, 0, sizeof(*vcap)); + strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver)); + strlcpy(vcap->card, cx->card_name, sizeof(vcap->card)); + strlcpy(vcap->bus_info, pci_name(cx->dev), sizeof(vcap->bus_info)); + vcap->version = CX18_DRIVER_VERSION; /* version */ + vcap->capabilities = cx->v4l2_cap; /* capabilities */ + + /* reserved.. must set to 0! */ + vcap->reserved[0] = vcap->reserved[1] = + vcap->reserved[2] = vcap->reserved[3] = 0; + break; + } + + case VIDIOC_ENUMAUDIO:{ + struct v4l2_audio *vin = arg; + + return cx18_get_audio_input(cx, vin->index, vin); + } + + case VIDIOC_G_AUDIO:{ + struct v4l2_audio *vin = arg; + + vin->index = cx->audio_input; + return cx18_get_audio_input(cx, vin->index, vin); + } + + case VIDIOC_S_AUDIO:{ + struct v4l2_audio *vout = arg; + + if (vout->index >= cx->nof_audio_inputs) + return -EINVAL; + cx->audio_input = vout->index; + cx18_audio_set_io(cx); + break; + } + + case VIDIOC_ENUMINPUT:{ + struct v4l2_input *vin = arg; + + /* set it to defaults from our table */ + return cx18_get_input(cx, vin->index, vin); + } + + case VIDIOC_TRY_FMT: + case VIDIOC_S_FMT: { + struct v4l2_format *fmt = arg; + + return cx18_try_or_set_fmt(cx, id->type, fmt, cmd == VIDIOC_S_FMT); + } + + case VIDIOC_G_FMT: { + struct v4l2_format *fmt = arg; + int type = fmt->type; + + memset(fmt, 0, sizeof(*fmt)); + fmt->type = type; + return cx18_get_fmt(cx, id->type, fmt); + } + + case VIDIOC_CROPCAP: { + struct v4l2_cropcap *cropcap = arg; + + if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + cropcap->bounds.top = cropcap->bounds.left = 0; + cropcap->bounds.width = 720; + cropcap->bounds.height = cx->is_50hz ? 576 : 480; + cropcap->pixelaspect.numerator = cx->is_50hz ? 59 : 10; + cropcap->pixelaspect.denominator = cx->is_50hz ? 54 : 11; + cropcap->defrect = cropcap->bounds; + return 0; + } + + case VIDIOC_S_CROP: { + struct v4l2_crop *crop = arg; + + if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + return cx18_av_cmd(cx, VIDIOC_S_CROP, arg); + } + + case VIDIOC_G_CROP: { + struct v4l2_crop *crop = arg; + + if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + return cx18_av_cmd(cx, VIDIOC_G_CROP, arg); + } + + case VIDIOC_ENUM_FMT: { + static struct v4l2_fmtdesc formats[] = { + { 0, 0, 0, + "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, + { 0, 0, 0, 0 } + }, + { 1, 0, V4L2_FMT_FLAG_COMPRESSED, + "MPEG", V4L2_PIX_FMT_MPEG, + { 0, 0, 0, 0 } + } + }; + struct v4l2_fmtdesc *fmt = arg; + enum v4l2_buf_type type = fmt->type; + + switch (type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + break; + default: + return -EINVAL; + } + if (fmt->index > 1) + return -EINVAL; + *fmt = formats[fmt->index]; + fmt->type = type; + return 0; + } + + case VIDIOC_G_INPUT:{ + *(int *)arg = cx->active_input; + break; + } + + case VIDIOC_S_INPUT:{ + int inp = *(int *)arg; + + if (inp < 0 || inp >= cx->nof_inputs) + return -EINVAL; + + if (inp == cx->active_input) { + CX18_DEBUG_INFO("Input unchanged\n"); + break; + } + CX18_DEBUG_INFO("Changing input from %d to %d\n", + cx->active_input, inp); + + cx->active_input = inp; + /* Set the audio input to whatever is appropriate for the + input type. */ + cx->audio_input = cx->card->video_inputs[inp].audio_index; + + /* prevent others from messing with the streams until + we're finished changing inputs. */ + cx18_mute(cx); + cx18_video_set_io(cx); + cx18_audio_set_io(cx); + cx18_unmute(cx); + break; + } + + case VIDIOC_G_FREQUENCY:{ + struct v4l2_frequency *vf = arg; + + if (vf->tuner != 0) + return -EINVAL; + cx18_call_i2c_clients(cx, cmd, arg); + break; + } + + case VIDIOC_S_FREQUENCY:{ + struct v4l2_frequency vf = *(struct v4l2_frequency *)arg; + + if (vf.tuner != 0) + return -EINVAL; + + cx18_mute(cx); + CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf.frequency); + cx18_call_i2c_clients(cx, cmd, &vf); + cx18_unmute(cx); + break; + } + + case VIDIOC_ENUMSTD:{ + struct v4l2_standard *vs = arg; + int idx = vs->index; + + if (idx < 0 || idx >= ARRAY_SIZE(enum_stds)) + return -EINVAL; + + *vs = (enum_stds[idx].std & V4L2_STD_525_60) ? + cx18_std_60hz : cx18_std_50hz; + vs->index = idx; + vs->id = enum_stds[idx].std; + strlcpy(vs->name, enum_stds[idx].name, sizeof(vs->name)); + break; + } + + case VIDIOC_G_STD:{ + *(v4l2_std_id *) arg = cx->std; + break; + } + + case VIDIOC_S_STD: { + v4l2_std_id std = *(v4l2_std_id *) arg; + + if ((std & V4L2_STD_ALL) == 0) + return -EINVAL; + + if (std == cx->std) + break; + + if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) || + atomic_read(&cx->capturing) > 0) { + /* Switching standard would turn off the radio or mess + with already running streams, prevent that by + returning EBUSY. */ + return -EBUSY; + } + + cx->std = std; + cx->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0; + cx->params.is_50hz = cx->is_50hz = !cx->is_60hz; + cx->params.width = 720; + cx->params.height = cx->is_50hz ? 576 : 480; + cx->vbi.count = cx->is_50hz ? 18 : 12; + cx->vbi.start[0] = cx->is_50hz ? 6 : 10; + cx->vbi.start[1] = cx->is_50hz ? 318 : 273; + cx->vbi.sliced_decoder_line_size = cx->is_60hz ? 272 : 284; + CX18_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)cx->std); + + /* Tuner */ + cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std); + break; + } + + case VIDIOC_S_TUNER: { /* Setting tuner can only set audio mode */ + struct v4l2_tuner *vt = arg; + + if (vt->index != 0) + return -EINVAL; + + cx18_call_i2c_clients(cx, VIDIOC_S_TUNER, vt); + break; + } + + case VIDIOC_G_TUNER: { + struct v4l2_tuner *vt = arg; + + if (vt->index != 0) + return -EINVAL; + + memset(vt, 0, sizeof(*vt)); + cx18_call_i2c_clients(cx, VIDIOC_G_TUNER, vt); + + if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) { + strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name)); + vt->type = V4L2_TUNER_RADIO; + } else { + strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name)); + vt->type = V4L2_TUNER_ANALOG_TV; + } + break; + } + + case VIDIOC_G_SLICED_VBI_CAP: { + struct v4l2_sliced_vbi_cap *cap = arg; + int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525; + int f, l; + enum v4l2_buf_type type = cap->type; + + memset(cap, 0, sizeof(*cap)); + cap->type = type; + if (type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) { + for (f = 0; f < 2; f++) { + for (l = 0; l < 24; l++) { + if (valid_service_line(f, l, cx->is_50hz)) + cap->service_lines[f][l] = set; + } + } + return 0; + } + return -EINVAL; + } + + case VIDIOC_ENCODER_CMD: + case VIDIOC_TRY_ENCODER_CMD: { + struct v4l2_encoder_cmd *enc = arg; + int try = cmd == VIDIOC_TRY_ENCODER_CMD; + + memset(&enc->raw, 0, sizeof(enc->raw)); + switch (enc->cmd) { + case V4L2_ENC_CMD_START: + enc->flags = 0; + if (try) + return 0; + return cx18_start_capture(id); + + case V4L2_ENC_CMD_STOP: + enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END; + if (try) + return 0; + cx18_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END); + return 0; + + case V4L2_ENC_CMD_PAUSE: + enc->flags = 0; + if (try) + return 0; + if (!atomic_read(&cx->capturing)) + return -EPERM; + if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) + return 0; + cx18_mute(cx); + cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, cx18_find_handle(cx)); + break; + + case V4L2_ENC_CMD_RESUME: + enc->flags = 0; + if (try) + return 0; + if (!atomic_read(&cx->capturing)) + return -EPERM; + if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) + return 0; + cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, cx18_find_handle(cx)); + cx18_unmute(cx); + break; + default: + return -EINVAL; + } + break; + } + + case VIDIOC_LOG_STATUS: + { + struct v4l2_input vidin; + struct v4l2_audio audin; + int i; + + CX18_INFO("================= START STATUS CARD #%d =================\n", cx->num); + if (cx->hw_flags & CX18_HW_TVEEPROM) { + struct tveeprom tv; + + cx18_read_eeprom(cx, &tv); + } + cx18_call_i2c_clients(cx, VIDIOC_LOG_STATUS, NULL); + cx18_get_input(cx, cx->active_input, &vidin); + cx18_get_audio_input(cx, cx->audio_input, &audin); + CX18_INFO("Video Input: %s\n", vidin.name); + CX18_INFO("Audio Input: %s\n", audin.name); + CX18_INFO("Tuner: %s\n", + test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ? + "Radio" : "TV"); + cx2341x_log_status(&cx->params, cx->name); + CX18_INFO("Status flags: 0x%08lx\n", cx->i_flags); + for (i = 0; i < CX18_MAX_STREAMS; i++) { + struct cx18_stream *s = &cx->streams[i]; + + if (s->v4l2dev == NULL || s->buffers == 0) + continue; + CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", + s->name, s->s_flags, + (s->buffers - s->q_free.buffers) * 100 / s->buffers, + (s->buffers * s->buf_size) / 1024, s->buffers); + } + CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n", + (long long)cx->mpg_data_received, + (long long)cx->vbi_data_inserted); + CX18_INFO("================== END STATUS CARD #%d ==================\n", cx->num); + break; + } + + default: + return -EINVAL; + } + return 0; +} + +static int cx18_v4l2_do_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, void *arg) +{ + struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data; + struct cx18 *cx = id->cx; + int ret; + + /* check priority */ + switch (cmd) { + case VIDIOC_S_CTRL: + case VIDIOC_S_STD: + case VIDIOC_S_INPUT: + case VIDIOC_S_TUNER: + case VIDIOC_S_FREQUENCY: + case VIDIOC_S_FMT: + case VIDIOC_S_CROP: + case VIDIOC_S_EXT_CTRLS: + ret = v4l2_prio_check(&cx->prio, &id->prio); + if (ret) + return ret; + } + + switch (cmd) { + case VIDIOC_DBG_G_REGISTER: + case VIDIOC_DBG_S_REGISTER: + case VIDIOC_G_CHIP_IDENT: + case VIDIOC_INT_S_AUDIO_ROUTING: + case VIDIOC_INT_RESET: + if (cx18_debug & CX18_DBGFLG_IOCTL) { + printk(KERN_INFO "cx18%d ioctl: ", cx->num); + v4l_printk_ioctl(cmd); + } + return cx18_debug_ioctls(filp, cmd, arg); + + case VIDIOC_G_PRIORITY: + case VIDIOC_S_PRIORITY: + case VIDIOC_QUERYCAP: + case VIDIOC_ENUMINPUT: + case VIDIOC_G_INPUT: + case VIDIOC_S_INPUT: + case VIDIOC_G_FMT: + case VIDIOC_S_FMT: + case VIDIOC_TRY_FMT: + case VIDIOC_ENUM_FMT: + case VIDIOC_CROPCAP: + case VIDIOC_G_CROP: + case VIDIOC_S_CROP: + case VIDIOC_G_FREQUENCY: + case VIDIOC_S_FREQUENCY: + case VIDIOC_ENUMSTD: + case VIDIOC_G_STD: + case VIDIOC_S_STD: + case VIDIOC_S_TUNER: + case VIDIOC_G_TUNER: + case VIDIOC_ENUMAUDIO: + case VIDIOC_S_AUDIO: + case VIDIOC_G_AUDIO: + case VIDIOC_G_SLICED_VBI_CAP: + case VIDIOC_LOG_STATUS: + case VIDIOC_G_ENC_INDEX: + case VIDIOC_ENCODER_CMD: + case VIDIOC_TRY_ENCODER_CMD: + if (cx18_debug & CX18_DBGFLG_IOCTL) { + printk(KERN_INFO "cx18%d ioctl: ", cx->num); + v4l_printk_ioctl(cmd); + } + return cx18_v4l2_ioctls(cx, filp, cmd, arg); + + case VIDIOC_QUERYMENU: + case VIDIOC_QUERYCTRL: + case VIDIOC_S_CTRL: + case VIDIOC_G_CTRL: + case VIDIOC_S_EXT_CTRLS: + case VIDIOC_G_EXT_CTRLS: + case VIDIOC_TRY_EXT_CTRLS: + if (cx18_debug & CX18_DBGFLG_IOCTL) { + printk(KERN_INFO "cx18%d ioctl: ", cx->num); + v4l_printk_ioctl(cmd); + } + return cx18_control_ioctls(cx, cmd, arg); + + case 0x00005401: /* Handle isatty() calls */ + return -EINVAL; + default: + return v4l_compat_translate_ioctl(inode, filp, cmd, arg, + cx18_v4l2_do_ioctl); + } + return 0; +} + +int cx18_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data; + struct cx18 *cx = id->cx; + int res; + + mutex_lock(&cx->serialize_lock); + res = video_usercopy(inode, filp, cmd, arg, cx18_v4l2_do_ioctl); + mutex_unlock(&cx->serialize_lock); + return res; +} diff --git a/drivers/media/video/cx18/cx18-ioctl.h b/drivers/media/video/cx18/cx18-ioctl.h new file mode 100644 index 0000000..0ee152d --- /dev/null +++ b/drivers/media/video/cx18/cx18-ioctl.h @@ -0,0 +1,30 @@ +/* + * cx18 ioctl system call + * + * Derived from ivtv-ioctl.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +u16 service2vbi(int type); +void expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal); +u16 get_service_set(struct v4l2_sliced_vbi_format *fmt); +int cx18_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg); +int cx18_v4l2_ioctls(struct cx18 *cx, struct file *filp, unsigned cmd, + void *arg); diff --git a/drivers/media/video/cx18/cx18-irq.c b/drivers/media/video/cx18/cx18-irq.c new file mode 100644 index 0000000..6e14f8b --- /dev/null +++ b/drivers/media/video/cx18/cx18-irq.c @@ -0,0 +1,179 @@ +/* + * cx18 interrupt handling + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-firmware.h" +#include "cx18-fileops.h" +#include "cx18-queue.h" +#include "cx18-irq.h" +#include "cx18-ioctl.h" +#include "cx18-mailbox.h" +#include "cx18-vbi.h" +#include "cx18-scb.h" + +#define DMA_MAGIC_COOKIE 0x000001fe + +static void epu_dma_done(struct cx18 *cx, struct cx18_mailbox *mb) +{ + u32 handle = mb->args[0]; + struct cx18_stream *s = NULL; + struct cx18_buffer *buf; + u32 off; + int i; + int id; + + for (i = 0; i < CX18_MAX_STREAMS; i++) { + s = &cx->streams[i]; + if ((handle == s->handle) && (s->dvb.enabled)) + break; + if (s->v4l2dev && handle == s->handle) + break; + } + if (i == CX18_MAX_STREAMS) { + CX18_WARN("DMA done for unknown handle %d for stream %s\n", + handle, s->name); + mb->error = CXERR_NOT_OPEN; + mb->cmd = 0; + cx18_mb_ack(cx, mb); + return; + } + + off = mb->args[1]; + if (mb->args[2] != 1) + CX18_WARN("Ack struct = %d for %s\n", + mb->args[2], s->name); + id = read_enc(off); + buf = cx18_queue_find_buf(s, id, read_enc(off + 4)); + CX18_DEBUG_HI_DMA("DMA DONE for %s (buffer %d)\n", s->name, id); + if (buf) { + cx18_buf_sync_for_cpu(s, buf); + if (s->type == CX18_ENC_STREAM_TYPE_TS && s->dvb.enabled) { + /* process the buffer here */ + CX18_DEBUG_HI_DMA("TS recv and sent bytesused=%d\n", + buf->bytesused); + + dvb_dmx_swfilter(&s->dvb.demux, buf->buf, + buf->bytesused); + + cx18_buf_sync_for_device(s, buf); + cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, s->handle, + (void *)&cx->scb->cpu_mdl[buf->id] - cx->enc_mem, + 1, buf->id, s->buf_size); + } else + set_bit(CX18_F_B_NEED_BUF_SWAP, &buf->b_flags); + } else { + CX18_WARN("Could not find buf %d for stream %s\n", + read_enc(off), s->name); + } + mb->error = 0; + mb->cmd = 0; + cx18_mb_ack(cx, mb); + wake_up(&cx->dma_waitq); + if (s->id != -1) + wake_up(&s->waitq); +} + +static void epu_debug(struct cx18 *cx, struct cx18_mailbox *mb) +{ + char str[256] = { 0 }; + char *p; + + if (mb->args[1]) { + setup_page(mb->args[1]); + memcpy_fromio(str, cx->enc_mem + mb->args[1], 252); + str[252] = 0; + } + cx18_mb_ack(cx, mb); + CX18_DEBUG_INFO("%x %s\n", mb->args[0], str); + p = strchr(str, '.'); + if (!test_bit(CX18_F_I_LOADED_FW, &cx->i_flags) && p && p > str) + CX18_INFO("FW version: %s\n", p - 1); +} + +static void hpu_cmd(struct cx18 *cx, u32 sw1) +{ + struct cx18_mailbox mb; + + if (sw1 & IRQ_CPU_TO_EPU) { + memcpy_fromio(&mb, &cx->scb->cpu2epu_mb, sizeof(mb)); + mb.error = 0; + + switch (mb.cmd) { + case CX18_EPU_DMA_DONE: + epu_dma_done(cx, &mb); + break; + case CX18_EPU_DEBUG: + epu_debug(cx, &mb); + break; + default: + CX18_WARN("Unexpected mailbox command %08x\n", mb.cmd); + break; + } + } + if (sw1 & (IRQ_APU_TO_EPU | IRQ_HPU_TO_EPU)) + CX18_WARN("Unexpected interrupt %08x\n", sw1); +} + +irqreturn_t cx18_irq_handler(int irq, void *dev_id) +{ + struct cx18 *cx = (struct cx18 *)dev_id; + u32 sw1, sw1_mask; + u32 sw2, sw2_mask; + u32 hw2, hw2_mask; + + spin_lock(&cx->dma_reg_lock); + + hw2_mask = read_reg(HW2_INT_MASK5_PCI); + hw2 = read_reg(HW2_INT_CLR_STATUS) & hw2_mask; + sw2_mask = read_reg(SW2_INT_ENABLE_PCI) | IRQ_EPU_TO_HPU_ACK; + sw2 = read_reg(SW2_INT_STATUS) & sw2_mask; + sw1_mask = read_reg(SW1_INT_ENABLE_PCI) | IRQ_EPU_TO_HPU; + sw1 = read_reg(SW1_INT_STATUS) & sw1_mask; + + write_reg(sw2&sw2_mask, SW2_INT_STATUS); + write_reg(sw1&sw1_mask, SW1_INT_STATUS); + write_reg(hw2&hw2_mask, HW2_INT_CLR_STATUS); + + if (sw1 || sw2 || hw2) + CX18_DEBUG_HI_IRQ("SW1: %x SW2: %x HW2: %x\n", sw1, sw2, hw2); + + /* To do: interrupt-based I2C handling + if (hw2 & 0x00c00000) { + } + */ + + if (sw2) { + if (sw2 & (cx->scb->cpu2hpu_irq_ack | cx->scb->cpu2epu_irq_ack)) + wake_up(&cx->mb_cpu_waitq); + if (sw2 & (cx->scb->apu2hpu_irq_ack | cx->scb->apu2epu_irq_ack)) + wake_up(&cx->mb_apu_waitq); + if (sw2 & cx->scb->epu2hpu_irq_ack) + wake_up(&cx->mb_epu_waitq); + if (sw2 & cx->scb->hpu2epu_irq_ack) + wake_up(&cx->mb_hpu_waitq); + } + + if (sw1) + hpu_cmd(cx, sw1); + spin_unlock(&cx->dma_reg_lock); + + return (hw2 | sw1 | sw2) ? IRQ_HANDLED : IRQ_NONE; +} diff --git a/drivers/media/video/cx18/cx18-irq.h b/drivers/media/video/cx18/cx18-irq.h new file mode 100644 index 0000000..379f704 --- /dev/null +++ b/drivers/media/video/cx18/cx18-irq.h @@ -0,0 +1,37 @@ +/* + * cx18 interrupt handling + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#define HW2_I2C1_INT (1 << 22) +#define HW2_I2C2_INT (1 << 23) +#define HW2_INT_CLR_STATUS 0xc730c4 +#define HW2_INT_MASK5_PCI 0xc730e4 +#define SW1_INT_SET 0xc73100 +#define SW1_INT_STATUS 0xc73104 +#define SW1_INT_ENABLE_PCI 0xc7311c +#define SW2_INT_SET 0xc73140 +#define SW2_INT_STATUS 0xc73144 +#define SW2_INT_ENABLE_PCI 0xc7315c + +irqreturn_t cx18_irq_handler(int irq, void *dev_id); + +void cx18_irq_work_handler(struct work_struct *work); +void cx18_dma_stream_dec_prepare(struct cx18_stream *s, u32 offset, int lock); +void cx18_unfinished_dma(unsigned long arg); diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c new file mode 100644 index 0000000..0c5f328 --- /dev/null +++ b/drivers/media/video/cx18/cx18-mailbox.c @@ -0,0 +1,372 @@ +/* + * cx18 mailbox functions + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include <stdarg.h> + +#include "cx18-driver.h" +#include "cx18-scb.h" +#include "cx18-irq.h" +#include "cx18-mailbox.h" + +#define API_FAST (1 << 2) /* Short timeout */ +#define API_SLOW (1 << 3) /* Additional 300ms timeout */ + +#define APU 0 +#define CPU 1 +#define EPU 2 +#define HPU 3 + +struct cx18_api_info { + u32 cmd; + u8 flags; /* Flags, see above */ + u8 rpu; /* Processing unit */ + const char *name; /* The name of the command */ +}; + +#define API_ENTRY(rpu, x, f) { (x), (f), (rpu), #x } + +static const struct cx18_api_info api_info[] = { + /* MPEG encoder API */ + API_ENTRY(CPU, CX18_CPU_SET_CHANNEL_TYPE, 0), + API_ENTRY(CPU, CX18_EPU_DEBUG, 0), + API_ENTRY(CPU, CX18_CREATE_TASK, 0), + API_ENTRY(CPU, CX18_DESTROY_TASK, 0), + API_ENTRY(CPU, CX18_CPU_CAPTURE_START, API_SLOW), + API_ENTRY(CPU, CX18_CPU_CAPTURE_STOP, API_SLOW), + API_ENTRY(CPU, CX18_CPU_CAPTURE_PAUSE, 0), + API_ENTRY(CPU, CX18_CPU_CAPTURE_RESUME, 0), + API_ENTRY(CPU, CX18_CPU_SET_CHANNEL_TYPE, 0), + API_ENTRY(CPU, CX18_CPU_SET_STREAM_OUTPUT_TYPE, 0), + API_ENTRY(CPU, CX18_CPU_SET_VIDEO_IN, 0), + API_ENTRY(CPU, CX18_CPU_SET_VIDEO_RATE, 0), + API_ENTRY(CPU, CX18_CPU_SET_VIDEO_RESOLUTION, 0), + API_ENTRY(CPU, CX18_CPU_SET_FILTER_PARAM, 0), + API_ENTRY(CPU, CX18_CPU_SET_SPATIAL_FILTER_TYPE, 0), + API_ENTRY(CPU, CX18_CPU_SET_MEDIAN_CORING, 0), + API_ENTRY(CPU, CX18_CPU_SET_INDEXTABLE, 0), + API_ENTRY(CPU, CX18_CPU_SET_AUDIO_PARAMETERS, 0), + API_ENTRY(CPU, CX18_CPU_SET_VIDEO_MUTE, 0), + API_ENTRY(CPU, CX18_CPU_SET_AUDIO_MUTE, 0), + API_ENTRY(CPU, CX18_CPU_SET_MISC_PARAMETERS, 0), + API_ENTRY(CPU, CX18_CPU_SET_RAW_VBI_PARAM, API_SLOW), + API_ENTRY(CPU, CX18_CPU_SET_CAPTURE_LINE_NO, 0), + API_ENTRY(CPU, CX18_CPU_SET_COPYRIGHT, 0), + API_ENTRY(CPU, CX18_CPU_SET_AUDIO_PID, 0), + API_ENTRY(CPU, CX18_CPU_SET_VIDEO_PID, 0), + API_ENTRY(CPU, CX18_CPU_SET_VER_CROP_LINE, 0), + API_ENTRY(CPU, CX18_CPU_SET_GOP_STRUCTURE, 0), + API_ENTRY(CPU, CX18_CPU_SET_SCENE_CHANGE_DETECTION, 0), + API_ENTRY(CPU, CX18_CPU_SET_ASPECT_RATIO, 0), + API_ENTRY(CPU, CX18_CPU_SET_SKIP_INPUT_FRAME, 0), + API_ENTRY(CPU, CX18_CPU_SET_SLICED_VBI_PARAM, 0), + API_ENTRY(CPU, CX18_CPU_SET_USERDATA_PLACE_HOLDER, 0), + API_ENTRY(CPU, CX18_CPU_GET_ENC_PTS, 0), + API_ENTRY(CPU, CX18_CPU_DE_SET_MDL_ACK, 0), + API_ENTRY(CPU, CX18_CPU_DE_SET_MDL, API_FAST), + API_ENTRY(0, 0, 0), +}; + +static const struct cx18_api_info *find_api_info(u32 cmd) +{ + int i; + + for (i = 0; api_info[i].cmd; i++) + if (api_info[i].cmd == cmd) + return &api_info[i]; + return NULL; +} + +static struct cx18_mailbox *cx18_mb_is_complete(struct cx18 *cx, int rpu, + u32 *state, u32 *irq, u32 *req) +{ + struct cx18_mailbox *mb = NULL; + int wait_count = 0; + u32 ack; + + switch (rpu) { + case APU: + mb = &cx->scb->epu2apu_mb; + *state = readl(&cx->scb->apu_state); + *irq = readl(&cx->scb->epu2apu_irq); + break; + + case CPU: + mb = &cx->scb->epu2cpu_mb; + *state = readl(&cx->scb->cpu_state); + *irq = readl(&cx->scb->epu2cpu_irq); + break; + + case HPU: + mb = &cx->scb->epu2hpu_mb; + *state = readl(&cx->scb->hpu_state); + *irq = readl(&cx->scb->epu2hpu_irq); + break; + } + + if (mb == NULL) + return mb; + + do { + *req = readl(&mb->request); + ack = readl(&mb->ack); + wait_count++; + } while (*req != ack && wait_count < 600); + + if (*req == ack) { + (*req)++; + if (*req == 0 || *req == 0xffffffff) + *req = 1; + return mb; + } + return NULL; +} + +long cx18_mb_ack(struct cx18 *cx, const struct cx18_mailbox *mb) +{ + const struct cx18_api_info *info = find_api_info(mb->cmd); + struct cx18_mailbox *ack_mb; + u32 ack_irq; + u8 rpu = CPU; + + if (info == NULL && mb->cmd) { + CX18_WARN("Cannot ack unknown command %x\n", mb->cmd); + return -EINVAL; + } + if (info) + rpu = info->rpu; + + switch (rpu) { + case HPU: + ack_irq = IRQ_EPU_TO_HPU_ACK; + ack_mb = &cx->scb->hpu2epu_mb; + break; + case APU: + ack_irq = IRQ_EPU_TO_APU_ACK; + ack_mb = &cx->scb->apu2epu_mb; + break; + case CPU: + ack_irq = IRQ_EPU_TO_CPU_ACK; + ack_mb = &cx->scb->cpu2epu_mb; + break; + default: + CX18_WARN("Unknown RPU for command %x\n", mb->cmd); + return -EINVAL; + } + + setup_page(SCB_OFFSET); + write_sync(mb->request, &ack_mb->ack); + write_reg(ack_irq, SW2_INT_SET); + return 0; +} + + +static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) +{ + const struct cx18_api_info *info = find_api_info(cmd); + u32 state = 0, irq = 0, req, oldreq, err; + struct cx18_mailbox *mb; + wait_queue_head_t *waitq; + int timeout = 100; + int cnt = 0; + int sig = 0; + int i; + + if (info == NULL) { + CX18_WARN("unknown cmd %x\n", cmd); + return -EINVAL; + } + + if (cmd == CX18_CPU_DE_SET_MDL) + CX18_DEBUG_HI_API("%s\n", info->name); + else + CX18_DEBUG_API("%s\n", info->name); + setup_page(SCB_OFFSET); + mb = cx18_mb_is_complete(cx, info->rpu, &state, &irq, &req); + + if (mb == NULL) { + CX18_ERR("mb %s busy\n", info->name); + return -EBUSY; + } + + oldreq = req - 1; + writel(cmd, &mb->cmd); + for (i = 0; i < args; i++) + writel(data[i], &mb->args[i]); + writel(0, &mb->error); + writel(req, &mb->request); + + switch (info->rpu) { + case APU: waitq = &cx->mb_apu_waitq; break; + case CPU: waitq = &cx->mb_cpu_waitq; break; + case EPU: waitq = &cx->mb_epu_waitq; break; + case HPU: waitq = &cx->mb_hpu_waitq; break; + default: return -EINVAL; + } + if (info->flags & API_FAST) + timeout /= 2; + write_reg(irq, SW1_INT_SET); + + while (!sig && readl(&mb->ack) != readl(&mb->request) && cnt < 660) { + if (cnt > 200 && !in_atomic()) + sig = cx18_msleep_timeout(10, 1); + cnt++; + } + if (sig) + return -EINTR; + if (cnt == 660) { + writel(oldreq, &mb->request); + CX18_ERR("mb %s failed\n", info->name); + return -EINVAL; + } + for (i = 0; i < MAX_MB_ARGUMENTS; i++) + data[i] = readl(&mb->args[i]); + err = readl(&mb->error); + if (!in_atomic() && (info->flags & API_SLOW)) + cx18_msleep_timeout(300, 0); + if (err) + CX18_DEBUG_API("mailbox error %08x for command %s\n", err, + info->name); + return err ? -EIO : 0; +} + +int cx18_api(struct cx18 *cx, u32 cmd, int args, u32 data[]) +{ + int res = cx18_api_call(cx, cmd, args, data); + + /* Allow a single retry, probably already too late though. + If there is no free mailbox then that is usually an indication + of a more serious problem. */ + return (res == -EBUSY) ? cx18_api_call(cx, cmd, args, data) : res; +} + +static int cx18_set_filter_param(struct cx18_stream *s) +{ + struct cx18 *cx = s->cx; + u32 mode; + int ret; + + mode = (cx->filter_mode & 1) ? 2 : (cx->spatial_strength ? 1 : 0); + ret = cx18_vapi(cx, CX18_CPU_SET_FILTER_PARAM, 4, + s->handle, 1, mode, cx->spatial_strength); + mode = (cx->filter_mode & 2) ? 2 : (cx->temporal_strength ? 1 : 0); + ret = ret ? ret : cx18_vapi(cx, CX18_CPU_SET_FILTER_PARAM, 4, + s->handle, 0, mode, cx->temporal_strength); + ret = ret ? ret : cx18_vapi(cx, CX18_CPU_SET_FILTER_PARAM, 4, + s->handle, 2, cx->filter_mode >> 2, 0); + return ret; +} + +int cx18_api_func(void *priv, u32 cmd, int in, int out, + u32 data[CX2341X_MBOX_MAX_DATA]) +{ + struct cx18 *cx = priv; + struct cx18_stream *s = &cx->streams[CX18_ENC_STREAM_TYPE_MPG]; + + switch (cmd) { + case CX2341X_ENC_SET_OUTPUT_PORT: + return 0; + case CX2341X_ENC_SET_FRAME_RATE: + return cx18_vapi(cx, CX18_CPU_SET_VIDEO_IN, 6, + s->handle, 0, 0, 0, 0, data[0]); + case CX2341X_ENC_SET_FRAME_SIZE: + return cx18_vapi(cx, CX18_CPU_SET_VIDEO_RESOLUTION, 3, + s->handle, data[1], data[0]); + case CX2341X_ENC_SET_STREAM_TYPE: + return cx18_vapi(cx, CX18_CPU_SET_STREAM_OUTPUT_TYPE, 2, + s->handle, data[0]); + case CX2341X_ENC_SET_ASPECT_RATIO: + return cx18_vapi(cx, CX18_CPU_SET_ASPECT_RATIO, 2, + s->handle, data[0]); + + case CX2341X_ENC_SET_GOP_PROPERTIES: + return cx18_vapi(cx, CX18_CPU_SET_GOP_STRUCTURE, 3, + s->handle, data[0], data[1]); + case CX2341X_ENC_SET_GOP_CLOSURE: + return 0; + case CX2341X_ENC_SET_AUDIO_PROPERTIES: + return cx18_vapi(cx, CX18_CPU_SET_AUDIO_PARAMETERS, 2, + s->handle, data[0]); + case CX2341X_ENC_MUTE_AUDIO: + return cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, + s->handle, data[0]); + case CX2341X_ENC_SET_BIT_RATE: + return cx18_vapi(cx, CX18_CPU_SET_VIDEO_RATE, 5, + s->handle, data[0], data[1], data[2], data[3]); + case CX2341X_ENC_MUTE_VIDEO: + return cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, + s->handle, data[0]); + case CX2341X_ENC_SET_FRAME_DROP_RATE: + return cx18_vapi(cx, CX18_CPU_SET_SKIP_INPUT_FRAME, 2, + s->handle, data[0]); + case CX2341X_ENC_MISC: + return cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 4, + s->handle, data[0], data[1], data[2]); + case CX2341X_ENC_SET_DNR_FILTER_MODE: + cx->filter_mode = (data[0] & 3) | (data[1] << 2); + return cx18_set_filter_param(s); + case CX2341X_ENC_SET_DNR_FILTER_PROPS: + cx->spatial_strength = data[0]; + cx->temporal_strength = data[1]; + return cx18_set_filter_param(s); + case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE: + return cx18_vapi(cx, CX18_CPU_SET_SPATIAL_FILTER_TYPE, 3, + s->handle, data[0], data[1]); + case CX2341X_ENC_SET_CORING_LEVELS: + return cx18_vapi(cx, CX18_CPU_SET_MEDIAN_CORING, 5, + s->handle, data[0], data[1], data[2], data[3]); + } + CX18_WARN("Unknown cmd %x\n", cmd); + return 0; +} + +int cx18_vapi_result(struct cx18 *cx, u32 data[MAX_MB_ARGUMENTS], + u32 cmd, int args, ...) +{ + va_list ap; + int i; + + va_start(ap, args); + for (i = 0; i < args; i++) + data[i] = va_arg(ap, u32); + va_end(ap); + return cx18_api(cx, cmd, args, data); +} + +int cx18_vapi(struct cx18 *cx, u32 cmd, int args, ...) +{ + u32 data[MAX_MB_ARGUMENTS]; + va_list ap; + int i; + + if (cx == NULL) { + CX18_ERR("cx == NULL (cmd=%x)\n", cmd); + return 0; + } + if (args > MAX_MB_ARGUMENTS) { + CX18_ERR("args too big (cmd=%x)\n", cmd); + args = MAX_MB_ARGUMENTS; + } + va_start(ap, args); + for (i = 0; i < args; i++) + data[i] = va_arg(ap, u32); + va_end(ap); + return cx18_api(cx, cmd, args, data); +} diff --git a/drivers/media/video/cx18/cx18-mailbox.h b/drivers/media/video/cx18/cx18-mailbox.h new file mode 100644 index 0000000..d995641 --- /dev/null +++ b/drivers/media/video/cx18/cx18-mailbox.h @@ -0,0 +1,73 @@ +/* + * cx18 mailbox functions + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#ifndef _CX18_MAILBOX_H_ +#define _CX18_MAILBOX_H_ + +/* mailbox max args */ +#define MAX_MB_ARGUMENTS 6 +/* compatibility, should be same as the define in cx2341x.h */ +#define CX2341X_MBOX_MAX_DATA 16 + +#define MB_RESERVED_HANDLE_0 0 +#define MB_RESERVED_HANDLE_1 0xFFFFFFFF + +struct cx18; + +/* The cx18_mailbox struct is the mailbox structure which is used for passing + messages between processors */ +struct cx18_mailbox { + /* The sender sets a handle in 'request' after he fills the command. The + 'request' should be different than 'ack'. The sender, also, generates + an interrupt on XPU2YPU_irq where XPU is the sender and YPU is the + receiver. */ + u32 request; + /* The receiver detects a new command when 'req' is different than 'ack'. + He sets 'ack' to the same value as 'req' to clear the command. He, also, + generates an interrupt on YPU2XPU_irq where XPU is the sender and YPU + is the receiver. */ + u32 ack; + u32 reserved[6]; + /* 'cmd' identifies the command. The list of these commands are in + cx23418.h */ + u32 cmd; + /* Each command can have up to 6 arguments */ + u32 args[MAX_MB_ARGUMENTS]; + /* The return code can be one of the codes in the file cx23418.h. If the + command is completed successfuly, the error will be ERR_SYS_SUCCESS. + If it is pending, the code is ERR_SYS_PENDING. If it failed, the error + code would indicate the task from which the error originated and will + be one of the errors in cx23418.h. In that case, the following + applies ((error & 0xff) != 0). + If the command is pending, the return will be passed in a MB from the + receiver to the sender. 'req' will be returned in args[0] */ + u32 error; +}; + +int cx18_api(struct cx18 *cx, u32 cmd, int args, u32 data[]); +int cx18_vapi_result(struct cx18 *cx, u32 data[MAX_MB_ARGUMENTS], u32 cmd, + int args, ...); +int cx18_vapi(struct cx18 *cx, u32 cmd, int args, ...); +int cx18_api_func(void *priv, u32 cmd, int in, int out, + u32 data[CX2341X_MBOX_MAX_DATA]); +long cx18_mb_ack(struct cx18 *cx, const struct cx18_mailbox *mb); + +#endif diff --git a/drivers/media/video/cx18/cx18-queue.c b/drivers/media/video/cx18/cx18-queue.c new file mode 100644 index 0000000..65af1bb --- /dev/null +++ b/drivers/media/video/cx18/cx18-queue.c @@ -0,0 +1,282 @@ +/* + * cx18 buffer queues + * + * Derived from ivtv-queue.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-streams.h" +#include "cx18-queue.h" +#include "cx18-scb.h" + +int cx18_buf_copy_from_user(struct cx18_stream *s, struct cx18_buffer *buf, + const char __user *src, int copybytes) +{ + if (s->buf_size - buf->bytesused < copybytes) + copybytes = s->buf_size - buf->bytesused; + if (copy_from_user(buf->buf + buf->bytesused, src, copybytes)) + return -EFAULT; + buf->bytesused += copybytes; + return copybytes; +} + +void cx18_buf_swap(struct cx18_buffer *buf) +{ + int i; + + for (i = 0; i < buf->bytesused; i += 4) + swab32s((u32 *)(buf->buf + i)); +} + +void cx18_queue_init(struct cx18_queue *q) +{ + INIT_LIST_HEAD(&q->list); + q->buffers = 0; + q->length = 0; + q->bytesused = 0; +} + +void cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf, + struct cx18_queue *q) +{ + unsigned long flags = 0; + + /* clear the buffer if it is going to be enqueued to the free queue */ + if (q == &s->q_free) { + buf->bytesused = 0; + buf->readpos = 0; + buf->b_flags = 0; + } + spin_lock_irqsave(&s->qlock, flags); + list_add_tail(&buf->list, &q->list); + q->buffers++; + q->length += s->buf_size; + q->bytesused += buf->bytesused - buf->readpos; + spin_unlock_irqrestore(&s->qlock, flags); +} + +struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q) +{ + struct cx18_buffer *buf = NULL; + unsigned long flags = 0; + + spin_lock_irqsave(&s->qlock, flags); + if (!list_empty(&q->list)) { + buf = list_entry(q->list.next, struct cx18_buffer, list); + list_del_init(q->list.next); + q->buffers--; + q->length -= s->buf_size; + q->bytesused -= buf->bytesused - buf->readpos; + } + spin_unlock_irqrestore(&s->qlock, flags); + return buf; +} + +struct cx18_buffer *cx18_queue_find_buf(struct cx18_stream *s, u32 id, + u32 bytesused) +{ + struct cx18 *cx = s->cx; + struct list_head *p; + + list_for_each(p, &s->q_free.list) { + struct cx18_buffer *buf = + list_entry(p, struct cx18_buffer, list); + + if (buf->id != id) + continue; + buf->bytesused = bytesused; + /* the transport buffers are handled differently, + so there is no need to move them to the full queue */ + if (s->type == CX18_ENC_STREAM_TYPE_TS) + return buf; + s->q_free.buffers--; + s->q_free.length -= s->buf_size; + s->q_full.buffers++; + s->q_full.length += s->buf_size; + s->q_full.bytesused += buf->bytesused; + list_move_tail(&buf->list, &s->q_full.list); + return buf; + } + CX18_ERR("Cannot find buffer %d for stream %s\n", id, s->name); + return NULL; +} + +static void cx18_queue_move_buf(struct cx18_stream *s, struct cx18_queue *from, + struct cx18_queue *to, int clear, int full) +{ + struct cx18_buffer *buf = + list_entry(from->list.next, struct cx18_buffer, list); + + list_move_tail(from->list.next, &to->list); + from->buffers--; + from->length -= s->buf_size; + from->bytesused -= buf->bytesused - buf->readpos; + /* special handling for q_free */ + if (clear) + buf->bytesused = buf->readpos = buf->b_flags = 0; + else if (full) { + /* special handling for stolen buffers, assume + all bytes are used. */ + buf->bytesused = s->buf_size; + buf->readpos = buf->b_flags = 0; + } + to->buffers++; + to->length += s->buf_size; + to->bytesused += buf->bytesused - buf->readpos; +} + +/* Move 'needed_bytes' worth of buffers from queue 'from' into queue 'to'. + If 'needed_bytes' == 0, then move all buffers from 'from' into 'to'. + If 'steal' != NULL, then buffers may also taken from that queue if + needed. + + The buffer is automatically cleared if it goes to the free queue. It is + also cleared if buffers need to be taken from the 'steal' queue and + the 'from' queue is the free queue. + + When 'from' is q_free, then needed_bytes is compared to the total + available buffer length, otherwise needed_bytes is compared to the + bytesused value. For the 'steal' queue the total available buffer + length is always used. + + -ENOMEM is returned if the buffers could not be obtained, 0 if all + buffers where obtained from the 'from' list and if non-zero then + the number of stolen buffers is returned. */ +int cx18_queue_move(struct cx18_stream *s, struct cx18_queue *from, + struct cx18_queue *steal, struct cx18_queue *to, int needed_bytes) +{ + unsigned long flags; + int rc = 0; + int from_free = from == &s->q_free; + int to_free = to == &s->q_free; + int bytes_available; + + spin_lock_irqsave(&s->qlock, flags); + if (needed_bytes == 0) { + from_free = 1; + needed_bytes = from->length; + } + + bytes_available = from_free ? from->length : from->bytesused; + bytes_available += steal ? steal->length : 0; + + if (bytes_available < needed_bytes) { + spin_unlock_irqrestore(&s->qlock, flags); + return -ENOMEM; + } + if (from_free) { + u32 old_length = to->length; + + while (to->length - old_length < needed_bytes) { + if (list_empty(&from->list)) + from = steal; + if (from == steal) + rc++; /* keep track of 'stolen' buffers */ + cx18_queue_move_buf(s, from, to, 1, 0); + } + } else { + u32 old_bytesused = to->bytesused; + + while (to->bytesused - old_bytesused < needed_bytes) { + if (list_empty(&from->list)) + from = steal; + if (from == steal) + rc++; /* keep track of 'stolen' buffers */ + cx18_queue_move_buf(s, from, to, to_free, rc); + } + } + spin_unlock_irqrestore(&s->qlock, flags); + return rc; +} + +void cx18_flush_queues(struct cx18_stream *s) +{ + cx18_queue_move(s, &s->q_io, NULL, &s->q_free, 0); + cx18_queue_move(s, &s->q_full, NULL, &s->q_free, 0); +} + +int cx18_stream_alloc(struct cx18_stream *s) +{ + struct cx18 *cx = s->cx; + int i; + + if (s->buffers == 0) + return 0; + + CX18_DEBUG_INFO("Allocate %s stream: %d x %d buffers (%dkB total)\n", + s->name, s->buffers, s->buf_size, + s->buffers * s->buf_size / 1024); + + if (((char *)&cx->scb->cpu_mdl[cx->mdl_offset + s->buffers] - + (char *)cx->scb) > SCB_RESERVED_SIZE) { + unsigned bufsz = (((char *)cx->scb) + SCB_RESERVED_SIZE - + ((char *)cx->scb->cpu_mdl)); + + CX18_ERR("Too many buffers, cannot fit in SCB area\n"); + CX18_ERR("Max buffers = %zd\n", + bufsz / sizeof(struct cx18_mdl)); + return -ENOMEM; + } + + s->mdl_offset = cx->mdl_offset; + + /* allocate stream buffers. Initially all buffers are in q_free. */ + for (i = 0; i < s->buffers; i++) { + struct cx18_buffer *buf = + kzalloc(sizeof(struct cx18_buffer), GFP_KERNEL); + + if (buf == NULL) + break; + buf->buf = kmalloc(s->buf_size, GFP_KERNEL); + if (buf->buf == NULL) { + kfree(buf); + break; + } + buf->id = cx->buffer_id++; + INIT_LIST_HEAD(&buf->list); + buf->dma_handle = pci_map_single(s->cx->dev, + buf->buf, s->buf_size, s->dma); + cx18_buf_sync_for_cpu(s, buf); + cx18_enqueue(s, buf, &s->q_free); + } + if (i == s->buffers) { + cx->mdl_offset += s->buffers; + return 0; + } + CX18_ERR("Couldn't allocate buffers for %s stream\n", s->name); + cx18_stream_free(s); + return -ENOMEM; +} + +void cx18_stream_free(struct cx18_stream *s) +{ + struct cx18_buffer *buf; + + /* move all buffers to q_free */ + cx18_flush_queues(s); + + /* empty q_free */ + while ((buf = cx18_dequeue(s, &s->q_free))) { + pci_unmap_single(s->cx->dev, buf->dma_handle, + s->buf_size, s->dma); + kfree(buf->buf); + kfree(buf); + } +} diff --git a/drivers/media/video/cx18/cx18-queue.h b/drivers/media/video/cx18/cx18-queue.h new file mode 100644 index 0000000..f86c8a6 --- /dev/null +++ b/drivers/media/video/cx18/cx18-queue.h @@ -0,0 +1,59 @@ +/* + * cx18 buffer queues + * + * Derived from ivtv-queue.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#define CX18_DMA_UNMAPPED ((u32) -1) + +/* cx18_buffer utility functions */ + +static inline void cx18_buf_sync_for_cpu(struct cx18_stream *s, + struct cx18_buffer *buf) +{ + pci_dma_sync_single_for_cpu(s->cx->dev, buf->dma_handle, + s->buf_size, s->dma); +} + +static inline void cx18_buf_sync_for_device(struct cx18_stream *s, + struct cx18_buffer *buf) +{ + pci_dma_sync_single_for_device(s->cx->dev, buf->dma_handle, + s->buf_size, s->dma); +} + +int cx18_buf_copy_from_user(struct cx18_stream *s, struct cx18_buffer *buf, + const char __user *src, int copybytes); +void cx18_buf_swap(struct cx18_buffer *buf); + +/* cx18_queue utility functions */ +void cx18_queue_init(struct cx18_queue *q); +void cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf, + struct cx18_queue *q); +struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q); +int cx18_queue_move(struct cx18_stream *s, struct cx18_queue *from, + struct cx18_queue *steal, struct cx18_queue *to, int needed_bytes); +struct cx18_buffer *cx18_queue_find_buf(struct cx18_stream *s, u32 id, + u32 bytesused); +void cx18_flush_queues(struct cx18_stream *s); + +/* cx18_stream utility functions */ +int cx18_stream_alloc(struct cx18_stream *s); +void cx18_stream_free(struct cx18_stream *s); diff --git a/drivers/media/video/cx18/cx18-scb.c b/drivers/media/video/cx18/cx18-scb.c new file mode 100644 index 0000000..30bc803 --- /dev/null +++ b/drivers/media/video/cx18/cx18-scb.c @@ -0,0 +1,121 @@ +/* + * cx18 System Control Block initialization + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-scb.h" + +void cx18_init_scb(struct cx18 *cx) +{ + setup_page(SCB_OFFSET); + memset_io(cx->scb, 0, 0x10000); + + writel(IRQ_APU_TO_CPU, &cx->scb->apu2cpu_irq); + writel(IRQ_CPU_TO_APU_ACK, &cx->scb->cpu2apu_irq_ack); + writel(IRQ_HPU_TO_CPU, &cx->scb->hpu2cpu_irq); + writel(IRQ_CPU_TO_HPU_ACK, &cx->scb->cpu2hpu_irq_ack); + writel(IRQ_PPU_TO_CPU, &cx->scb->ppu2cpu_irq); + writel(IRQ_CPU_TO_PPU_ACK, &cx->scb->cpu2ppu_irq_ack); + writel(IRQ_EPU_TO_CPU, &cx->scb->epu2cpu_irq); + writel(IRQ_CPU_TO_EPU_ACK, &cx->scb->cpu2epu_irq_ack); + + writel(IRQ_CPU_TO_APU, &cx->scb->cpu2apu_irq); + writel(IRQ_APU_TO_CPU_ACK, &cx->scb->apu2cpu_irq_ack); + writel(IRQ_HPU_TO_APU, &cx->scb->hpu2apu_irq); + writel(IRQ_APU_TO_HPU_ACK, &cx->scb->apu2hpu_irq_ack); + writel(IRQ_PPU_TO_APU, &cx->scb->ppu2apu_irq); + writel(IRQ_APU_TO_PPU_ACK, &cx->scb->apu2ppu_irq_ack); + writel(IRQ_EPU_TO_APU, &cx->scb->epu2apu_irq); + writel(IRQ_APU_TO_EPU_ACK, &cx->scb->apu2epu_irq_ack); + + writel(IRQ_CPU_TO_HPU, &cx->scb->cpu2hpu_irq); + writel(IRQ_HPU_TO_CPU_ACK, &cx->scb->hpu2cpu_irq_ack); + writel(IRQ_APU_TO_HPU, &cx->scb->apu2hpu_irq); + writel(IRQ_HPU_TO_APU_ACK, &cx->scb->hpu2apu_irq_ack); + writel(IRQ_PPU_TO_HPU, &cx->scb->ppu2hpu_irq); + writel(IRQ_HPU_TO_PPU_ACK, &cx->scb->hpu2ppu_irq_ack); + writel(IRQ_EPU_TO_HPU, &cx->scb->epu2hpu_irq); + writel(IRQ_HPU_TO_EPU_ACK, &cx->scb->hpu2epu_irq_ack); + + writel(IRQ_CPU_TO_PPU, &cx->scb->cpu2ppu_irq); + writel(IRQ_PPU_TO_CPU_ACK, &cx->scb->ppu2cpu_irq_ack); + writel(IRQ_APU_TO_PPU, &cx->scb->apu2ppu_irq); + writel(IRQ_PPU_TO_APU_ACK, &cx->scb->ppu2apu_irq_ack); + writel(IRQ_HPU_TO_PPU, &cx->scb->hpu2ppu_irq); + writel(IRQ_PPU_TO_HPU_ACK, &cx->scb->ppu2hpu_irq_ack); + writel(IRQ_EPU_TO_PPU, &cx->scb->epu2ppu_irq); + writel(IRQ_PPU_TO_EPU_ACK, &cx->scb->ppu2epu_irq_ack); + + writel(IRQ_CPU_TO_EPU, &cx->scb->cpu2epu_irq); + writel(IRQ_EPU_TO_CPU_ACK, &cx->scb->epu2cpu_irq_ack); + writel(IRQ_APU_TO_EPU, &cx->scb->apu2epu_irq); + writel(IRQ_EPU_TO_APU_ACK, &cx->scb->epu2apu_irq_ack); + writel(IRQ_HPU_TO_EPU, &cx->scb->hpu2epu_irq); + writel(IRQ_EPU_TO_HPU_ACK, &cx->scb->epu2hpu_irq_ack); + writel(IRQ_PPU_TO_EPU, &cx->scb->ppu2epu_irq); + writel(IRQ_EPU_TO_PPU_ACK, &cx->scb->epu2ppu_irq_ack); + + writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2cpu_mb), + &cx->scb->apu2cpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2cpu_mb), + &cx->scb->hpu2cpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2cpu_mb), + &cx->scb->ppu2cpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2cpu_mb), + &cx->scb->epu2cpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2apu_mb), + &cx->scb->cpu2apu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2apu_mb), + &cx->scb->hpu2apu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2apu_mb), + &cx->scb->ppu2apu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2apu_mb), + &cx->scb->epu2apu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2hpu_mb), + &cx->scb->cpu2hpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2hpu_mb), + &cx->scb->apu2hpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2hpu_mb), + &cx->scb->ppu2hpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2hpu_mb), + &cx->scb->epu2hpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2ppu_mb), + &cx->scb->cpu2ppu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2ppu_mb), + &cx->scb->apu2ppu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2ppu_mb), + &cx->scb->hpu2ppu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2ppu_mb), + &cx->scb->epu2ppu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2epu_mb), + &cx->scb->cpu2epu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2epu_mb), + &cx->scb->apu2epu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2epu_mb), + &cx->scb->hpu2epu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2epu_mb), + &cx->scb->ppu2epu_mb_offset); + + writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu_state), + &cx->scb->ipc_offset); + + writel(1, &cx->scb->hpu_state); + writel(1, &cx->scb->epu_state); +} diff --git a/drivers/media/video/cx18/cx18-scb.h b/drivers/media/video/cx18/cx18-scb.h new file mode 100644 index 0000000..86b4cb1 --- /dev/null +++ b/drivers/media/video/cx18/cx18-scb.h @@ -0,0 +1,285 @@ +/* + * cx18 System Control Block initialization + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#ifndef CX18_SCB_H +#define CX18_SCB_H + +#include "cx18-mailbox.h" + +/* NOTE: All ACK interrupts are in the SW2 register. All non-ACK interrupts + are in the SW1 register. */ + +#define IRQ_APU_TO_CPU 0x00000001 +#define IRQ_CPU_TO_APU_ACK 0x00000001 +#define IRQ_HPU_TO_CPU 0x00000002 +#define IRQ_CPU_TO_HPU_ACK 0x00000002 +#define IRQ_PPU_TO_CPU 0x00000004 +#define IRQ_CPU_TO_PPU_ACK 0x00000004 +#define IRQ_EPU_TO_CPU 0x00000008 +#define IRQ_CPU_TO_EPU_ACK 0x00000008 + +#define IRQ_CPU_TO_APU 0x00000010 +#define IRQ_APU_TO_CPU_ACK 0x00000010 +#define IRQ_HPU_TO_APU 0x00000020 +#define IRQ_APU_TO_HPU_ACK 0x00000020 +#define IRQ_PPU_TO_APU 0x00000040 +#define IRQ_APU_TO_PPU_ACK 0x00000040 +#define IRQ_EPU_TO_APU 0x00000080 +#define IRQ_APU_TO_EPU_ACK 0x00000080 + +#define IRQ_CPU_TO_HPU 0x00000100 +#define IRQ_HPU_TO_CPU_ACK 0x00000100 +#define IRQ_APU_TO_HPU 0x00000200 +#define IRQ_HPU_TO_APU_ACK 0x00000200 +#define IRQ_PPU_TO_HPU 0x00000400 +#define IRQ_HPU_TO_PPU_ACK 0x00000400 +#define IRQ_EPU_TO_HPU 0x00000800 +#define IRQ_HPU_TO_EPU_ACK 0x00000800 + +#define IRQ_CPU_TO_PPU 0x00001000 +#define IRQ_PPU_TO_CPU_ACK 0x00001000 +#define IRQ_APU_TO_PPU 0x00002000 +#define IRQ_PPU_TO_APU_ACK 0x00002000 +#define IRQ_HPU_TO_PPU 0x00004000 +#define IRQ_PPU_TO_HPU_ACK 0x00004000 +#define IRQ_EPU_TO_PPU 0x00008000 +#define IRQ_PPU_TO_EPU_ACK 0x00008000 + +#define IRQ_CPU_TO_EPU 0x00010000 +#define IRQ_EPU_TO_CPU_ACK 0x00010000 +#define IRQ_APU_TO_EPU 0x00020000 +#define IRQ_EPU_TO_APU_ACK 0x00020000 +#define IRQ_HPU_TO_EPU 0x00040000 +#define IRQ_EPU_TO_HPU_ACK 0x00040000 +#define IRQ_PPU_TO_EPU 0x00080000 +#define IRQ_EPU_TO_PPU_ACK 0x00080000 + +#define SCB_OFFSET 0xDC0000 + +/* If Firmware uses fixed memory map, it shall not allocate the area + between SCB_OFFSET and SCB_OFFSET+SCB_RESERVED_SIZE-1 inclusive */ +#define SCB_RESERVED_SIZE 0x10000 + + +/* This structure is used by EPU to provide memory descriptors in its memory */ +struct cx18_mdl { + u32 paddr; /* Physical address of a buffer segment */ + u32 length; /* Length of the buffer segment */ +}; + +/* This structure is used by CPU to provide completed buffers information */ +struct cx18_mdl_ack { + u32 id; /* ID of a completed MDL */ + u32 data_used; /* Total data filled in the MDL for buffer 'id' */ +}; + +struct cx18_scb { + /* These fields form the System Control Block which is used at boot time + for localizing the IPC data as well as the code positions for all + processors. The offsets are from the start of this struct. */ + + /* Offset where to find the Inter-Processor Communication data */ + u32 ipc_offset; + u32 reserved01[7]; + /* Offset where to find the start of the CPU code */ + u32 cpu_code_offset; + u32 reserved02[3]; + /* Offset where to find the start of the APU code */ + u32 apu_code_offset; + u32 reserved03[3]; + /* Offset where to find the start of the HPU code */ + u32 hpu_code_offset; + u32 reserved04[3]; + /* Offset where to find the start of the PPU code */ + u32 ppu_code_offset; + u32 reserved05[3]; + + /* These fields form Inter-Processor Communication data which is used + by all processors to locate the information needed for communicating + with other processors */ + + /* Fields for CPU: */ + + /* bit 0: 1/0 processor ready/not ready. Set other bits to 0. */ + u32 cpu_state; + u32 reserved1[7]; + /* Offset to the mailbox used for sending commands from APU to CPU */ + u32 apu2cpu_mb_offset; + /* Value to write to register SW1 register set (0xC7003100) after the + command is ready */ + u32 apu2cpu_irq; + /* Value to write to register SW2 register set (0xC7003140) after the + command is cleared */ + u32 apu2cpu_irq_ack; + u32 reserved2[13]; + + u32 hpu2cpu_mb_offset; + u32 hpu2cpu_irq; + u32 hpu2cpu_irq_ack; + u32 reserved3[13]; + + u32 ppu2cpu_mb_offset; + u32 ppu2cpu_irq; + u32 ppu2cpu_irq_ack; + u32 reserved4[13]; + + u32 epu2cpu_mb_offset; + u32 epu2cpu_irq; + u32 epu2cpu_irq_ack; + u32 reserved5[13]; + u32 reserved6[8]; + + /* Fields for APU: */ + + u32 apu_state; + u32 reserved11[7]; + u32 cpu2apu_mb_offset; + u32 cpu2apu_irq; + u32 cpu2apu_irq_ack; + u32 reserved12[13]; + + u32 hpu2apu_mb_offset; + u32 hpu2apu_irq; + u32 hpu2apu_irq_ack; + u32 reserved13[13]; + + u32 ppu2apu_mb_offset; + u32 ppu2apu_irq; + u32 ppu2apu_irq_ack; + u32 reserved14[13]; + + u32 epu2apu_mb_offset; + u32 epu2apu_irq; + u32 epu2apu_irq_ack; + u32 reserved15[13]; + u32 reserved16[8]; + + /* Fields for HPU: */ + + u32 hpu_state; + u32 reserved21[7]; + u32 cpu2hpu_mb_offset; + u32 cpu2hpu_irq; + u32 cpu2hpu_irq_ack; + u32 reserved22[13]; + + u32 apu2hpu_mb_offset; + u32 apu2hpu_irq; + u32 apu2hpu_irq_ack; + u32 reserved23[13]; + + u32 ppu2hpu_mb_offset; + u32 ppu2hpu_irq; + u32 ppu2hpu_irq_ack; + u32 reserved24[13]; + + u32 epu2hpu_mb_offset; + u32 epu2hpu_irq; + u32 epu2hpu_irq_ack; + u32 reserved25[13]; + u32 reserved26[8]; + + /* Fields for PPU: */ + + u32 ppu_state; + u32 reserved31[7]; + u32 cpu2ppu_mb_offset; + u32 cpu2ppu_irq; + u32 cpu2ppu_irq_ack; + u32 reserved32[13]; + + u32 apu2ppu_mb_offset; + u32 apu2ppu_irq; + u32 apu2ppu_irq_ack; + u32 reserved33[13]; + + u32 hpu2ppu_mb_offset; + u32 hpu2ppu_irq; + u32 hpu2ppu_irq_ack; + u32 reserved34[13]; + + u32 epu2ppu_mb_offset; + u32 epu2ppu_irq; + u32 epu2ppu_irq_ack; + u32 reserved35[13]; + u32 reserved36[8]; + + /* Fields for EPU: */ + + u32 epu_state; + u32 reserved41[7]; + u32 cpu2epu_mb_offset; + u32 cpu2epu_irq; + u32 cpu2epu_irq_ack; + u32 reserved42[13]; + + u32 apu2epu_mb_offset; + u32 apu2epu_irq; + u32 apu2epu_irq_ack; + u32 reserved43[13]; + + u32 hpu2epu_mb_offset; + u32 hpu2epu_irq; + u32 hpu2epu_irq_ack; + u32 reserved44[13]; + + u32 ppu2epu_mb_offset; + u32 ppu2epu_irq; + u32 ppu2epu_irq_ack; + u32 reserved45[13]; + u32 reserved46[8]; + + u32 semaphores[8]; /* Semaphores */ + + u32 reserved50[32]; /* Reserved for future use */ + + struct cx18_mailbox apu2cpu_mb; + struct cx18_mailbox hpu2cpu_mb; + struct cx18_mailbox ppu2cpu_mb; + struct cx18_mailbox epu2cpu_mb; + + struct cx18_mailbox cpu2apu_mb; + struct cx18_mailbox hpu2apu_mb; + struct cx18_mailbox ppu2apu_mb; + struct cx18_mailbox epu2apu_mb; + + struct cx18_mailbox cpu2hpu_mb; + struct cx18_mailbox apu2hpu_mb; + struct cx18_mailbox ppu2hpu_mb; + struct cx18_mailbox epu2hpu_mb; + + struct cx18_mailbox cpu2ppu_mb; + struct cx18_mailbox apu2ppu_mb; + struct cx18_mailbox hpu2ppu_mb; + struct cx18_mailbox epu2ppu_mb; + + struct cx18_mailbox cpu2epu_mb; + struct cx18_mailbox apu2epu_mb; + struct cx18_mailbox hpu2epu_mb; + struct cx18_mailbox ppu2epu_mb; + + struct cx18_mdl_ack cpu_mdl_ack[CX18_MAX_STREAMS][2]; + struct cx18_mdl cpu_mdl[1]; +}; + +void cx18_init_scb(struct cx18 *cx); + +#endif diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c new file mode 100644 index 0000000..afb141b --- /dev/null +++ b/drivers/media/video/cx18/cx18-streams.c @@ -0,0 +1,566 @@ +/* + * cx18 init/start/stop/exit stream functions + * + * Derived from ivtv-streams.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-fileops.h" +#include "cx18-mailbox.h" +#include "cx18-i2c.h" +#include "cx18-queue.h" +#include "cx18-ioctl.h" +#include "cx18-streams.h" +#include "cx18-cards.h" +#include "cx18-scb.h" +#include "cx18-av-core.h" +#include "cx18-dvb.h" + +#define CX18_DSP0_INTERRUPT_MASK 0xd0004C + +static struct file_operations cx18_v4l2_enc_fops = { + .owner = THIS_MODULE, + .read = cx18_v4l2_read, + .open = cx18_v4l2_open, + .ioctl = cx18_v4l2_ioctl, + .release = cx18_v4l2_close, + .poll = cx18_v4l2_enc_poll, +}; + +/* offset from 0 to register ts v4l2 minors on */ +#define CX18_V4L2_ENC_TS_OFFSET 16 +/* offset from 0 to register pcm v4l2 minors on */ +#define CX18_V4L2_ENC_PCM_OFFSET 24 +/* offset from 0 to register yuv v4l2 minors on */ +#define CX18_V4L2_ENC_YUV_OFFSET 32 + +static struct { + const char *name; + int vfl_type; + int minor_offset; + int dma; + enum v4l2_buf_type buf_type; + struct file_operations *fops; +} cx18_stream_info[] = { + { /* CX18_ENC_STREAM_TYPE_MPG */ + "encoder MPEG", + VFL_TYPE_GRABBER, 0, + PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, + &cx18_v4l2_enc_fops + }, + { /* CX18_ENC_STREAM_TYPE_TS */ + "TS", + VFL_TYPE_GRABBER, -1, + PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, + &cx18_v4l2_enc_fops + }, + { /* CX18_ENC_STREAM_TYPE_YUV */ + "encoder YUV", + VFL_TYPE_GRABBER, CX18_V4L2_ENC_YUV_OFFSET, + PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, + &cx18_v4l2_enc_fops + }, + { /* CX18_ENC_STREAM_TYPE_VBI */ + "encoder VBI", + VFL_TYPE_VBI, 0, + PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VBI_CAPTURE, + &cx18_v4l2_enc_fops + }, + { /* CX18_ENC_STREAM_TYPE_PCM */ + "encoder PCM audio", + VFL_TYPE_GRABBER, CX18_V4L2_ENC_PCM_OFFSET, + PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_PRIVATE, + &cx18_v4l2_enc_fops + }, + { /* CX18_ENC_STREAM_TYPE_IDX */ + "encoder IDX", + VFL_TYPE_GRABBER, -1, + PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, + &cx18_v4l2_enc_fops + }, + { /* CX18_ENC_STREAM_TYPE_RAD */ + "encoder radio", + VFL_TYPE_RADIO, 0, + PCI_DMA_NONE, V4L2_BUF_TYPE_PRIVATE, + &cx18_v4l2_enc_fops + }, +}; + +static void cx18_stream_init(struct cx18 *cx, int type) +{ + struct cx18_stream *s = &cx->streams[type]; + struct video_device *dev = s->v4l2dev; + u32 max_size = cx->options.megabytes[type] * 1024 * 1024; + + /* we need to keep v4l2dev, so restore it afterwards */ + memset(s, 0, sizeof(*s)); + s->v4l2dev = dev; + + /* initialize cx18_stream fields */ + s->cx = cx; + s->type = type; + s->name = cx18_stream_info[type].name; + s->handle = 0xffffffff; + + s->dma = cx18_stream_info[type].dma; + s->buf_size = cx->stream_buf_size[type]; + if (s->buf_size) + s->buffers = max_size / s->buf_size; + if (s->buffers > 63) { + /* Each stream has a maximum of 63 buffers, + ensure we do not exceed that. */ + s->buffers = 63; + s->buf_size = (max_size / s->buffers) & ~0xfff; + } + spin_lock_init(&s->qlock); + init_waitqueue_head(&s->waitq); + s->id = -1; + cx18_queue_init(&s->q_free); + cx18_queue_init(&s->q_full); + cx18_queue_init(&s->q_io); +} + +static int cx18_prep_dev(struct cx18 *cx, int type) +{ + struct cx18_stream *s = &cx->streams[type]; + u32 cap = cx->v4l2_cap; + int minor_offset = cx18_stream_info[type].minor_offset; + int minor; + + /* These four fields are always initialized. If v4l2dev == NULL, then + this stream is not in use. In that case no other fields but these + four can be used. */ + s->v4l2dev = NULL; + s->cx = cx; + s->type = type; + s->name = cx18_stream_info[type].name; + + /* Check whether the radio is supported */ + if (type == CX18_ENC_STREAM_TYPE_RAD && !(cap & V4L2_CAP_RADIO)) + return 0; + + /* Check whether VBI is supported */ + if (type == CX18_ENC_STREAM_TYPE_VBI && + !(cap & (V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE))) + return 0; + + /* card number + user defined offset + device offset */ + minor = cx->num + cx18_first_minor + minor_offset; + + /* User explicitly selected 0 buffers for these streams, so don't + create them. */ + if (cx18_stream_info[type].dma != PCI_DMA_NONE && + cx->options.megabytes[type] == 0) { + CX18_INFO("Disabled %s device\n", cx18_stream_info[type].name); + return 0; + } + + cx18_stream_init(cx, type); + + if (minor_offset == -1) + return 0; + + /* allocate and initialize the v4l2 video device structure */ + s->v4l2dev = video_device_alloc(); + if (s->v4l2dev == NULL) { + CX18_ERR("Couldn't allocate v4l2 video_device for %s\n", + s->name); + return -ENOMEM; + } + + s->v4l2dev->type = + VID_TYPE_CAPTURE | VID_TYPE_TUNER | VID_TYPE_TELETEXT | + VID_TYPE_CLIPPING | VID_TYPE_SCALES | VID_TYPE_MPEG_ENCODER; + snprintf(s->v4l2dev->name, sizeof(s->v4l2dev->name), "cx18%d %s", + cx->num, s->name); + + s->v4l2dev->minor = minor; + s->v4l2dev->dev = &cx->dev->dev; + s->v4l2dev->fops = cx18_stream_info[type].fops; + s->v4l2dev->release = video_device_release; + + return 0; +} + +/* Initialize v4l2 variables and register v4l2 devices */ +int cx18_streams_setup(struct cx18 *cx) +{ + int type; + + /* Setup V4L2 Devices */ + for (type = 0; type < CX18_MAX_STREAMS; type++) { + /* Prepare device */ + if (cx18_prep_dev(cx, type)) + break; + + /* Allocate Stream */ + if (cx18_stream_alloc(&cx->streams[type])) + break; + } + if (type == CX18_MAX_STREAMS) + return 0; + + /* One or more streams could not be initialized. Clean 'em all up. */ + cx18_streams_cleanup(cx); + return -ENOMEM; +} + +static int cx18_reg_dev(struct cx18 *cx, int type) +{ + struct cx18_stream *s = &cx->streams[type]; + int vfl_type = cx18_stream_info[type].vfl_type; + int minor; + + /* TODO: Shouldn't this be a VFL_TYPE_TRANSPORT or something? + * We need a VFL_TYPE_TS defined. + */ + if (strcmp("TS", s->name) == 0) { + /* just return if no DVB is supported */ + if ((cx->card->hw_all & CX18_HW_DVB) == 0) + return 0; + if (cx18_dvb_register(s) < 0) { + CX18_ERR("DVB failed to register\n"); + return -EINVAL; + } + } + + if (s->v4l2dev == NULL) + return 0; + + minor = s->v4l2dev->minor; + + /* Register device. First try the desired minor, then any free one. */ + if (video_register_device(s->v4l2dev, vfl_type, minor) && + video_register_device(s->v4l2dev, vfl_type, -1)) { + CX18_ERR("Couldn't register v4l2 device for %s minor %d\n", + s->name, minor); + video_device_release(s->v4l2dev); + s->v4l2dev = NULL; + return -ENOMEM; + } + minor = s->v4l2dev->minor; + + switch (vfl_type) { + case VFL_TYPE_GRABBER: + CX18_INFO("Registered device video%d for %s (%d MB)\n", + minor, s->name, cx->options.megabytes[type]); + break; + + case VFL_TYPE_RADIO: + CX18_INFO("Registered device radio%d for %s\n", + minor - MINOR_VFL_TYPE_RADIO_MIN, s->name); + break; + + case VFL_TYPE_VBI: + if (cx->options.megabytes[type]) + CX18_INFO("Registered device vbi%d for %s (%d MB)\n", + minor - MINOR_VFL_TYPE_VBI_MIN, + s->name, cx->options.megabytes[type]); + else + CX18_INFO("Registered device vbi%d for %s\n", + minor - MINOR_VFL_TYPE_VBI_MIN, s->name); + break; + } + + return 0; +} + +/* Register v4l2 devices */ +int cx18_streams_register(struct cx18 *cx) +{ + int type; + int err = 0; + + /* Register V4L2 devices */ + for (type = 0; type < CX18_MAX_STREAMS; type++) + err |= cx18_reg_dev(cx, type); + + if (err == 0) + return 0; + + /* One or more streams could not be initialized. Clean 'em all up. */ + cx18_streams_cleanup(cx); + return -ENOMEM; +} + +/* Unregister v4l2 devices */ +void cx18_streams_cleanup(struct cx18 *cx) +{ + struct video_device *vdev; + int type; + + /* Teardown all streams */ + for (type = 0; type < CX18_MAX_STREAMS; type++) { + if (cx->streams[type].dvb.enabled) + cx18_dvb_unregister(&cx->streams[type]); + + vdev = cx->streams[type].v4l2dev; + + cx->streams[type].v4l2dev = NULL; + if (vdev == NULL) + continue; + + cx18_stream_free(&cx->streams[type]); + + /* Unregister device */ + video_unregister_device(vdev); + } +} + +static void cx18_vbi_setup(struct cx18_stream *s) +{ + struct cx18 *cx = s->cx; + int raw = cx->vbi.sliced_in->service_set == 0; + u32 data[CX2341X_MBOX_MAX_DATA]; + int lines; + + if (cx->is_60hz) { + cx->vbi.count = 12; + cx->vbi.start[0] = 10; + cx->vbi.start[1] = 273; + } else { /* PAL/SECAM */ + cx->vbi.count = 18; + cx->vbi.start[0] = 6; + cx->vbi.start[1] = 318; + } + + /* setup VBI registers */ + cx18_av_cmd(cx, VIDIOC_S_FMT, &cx->vbi.in); + + /* determine number of lines and total number of VBI bytes. + A raw line takes 1443 bytes: 2 * 720 + 4 byte frame header - 1 + The '- 1' byte is probably an unused U or V byte. Or something... + A sliced line takes 51 bytes: 4 byte frame header, 4 byte internal + header, 42 data bytes + checksum (to be confirmed) */ + if (raw) { + lines = cx->vbi.count * 2; + } else { + lines = cx->is_60hz ? 24 : 38; + if (cx->is_60hz) + lines += 2; + } + + cx->vbi.enc_size = lines * + (raw ? cx->vbi.raw_size : cx->vbi.sliced_size); + + data[0] = s->handle; + /* Lines per field */ + data[1] = (lines / 2) | ((lines / 2) << 16); + /* bytes per line */ + data[2] = (raw ? cx->vbi.raw_size : cx->vbi.sliced_size); + /* Every X number of frames a VBI interrupt arrives + (frames as in 25 or 30 fps) */ + data[3] = 1; + /* Setup VBI for the cx25840 digitizer */ + if (raw) { + data[4] = 0x20602060; + data[5] = 0x30703070; + } else { + data[4] = 0xB0F0B0F0; + data[5] = 0xA0E0A0E0; + } + + CX18_DEBUG_INFO("Setup VBI h: %d lines %x bpl %d fr %d %x %x\n", + data[0], data[1], data[2], data[3], data[4], data[5]); + + if (s->type == CX18_ENC_STREAM_TYPE_VBI) + cx18_api(cx, CX18_CPU_SET_RAW_VBI_PARAM, 6, data); +} + +int cx18_start_v4l2_encode_stream(struct cx18_stream *s) +{ + u32 data[MAX_MB_ARGUMENTS]; + struct cx18 *cx = s->cx; + struct list_head *p; + int ts = 0; + int captype = 0; + + if (s->v4l2dev == NULL && s->dvb.enabled == 0) + return -EINVAL; + + CX18_DEBUG_INFO("Start encoder stream %s\n", s->name); + + switch (s->type) { + case CX18_ENC_STREAM_TYPE_MPG: + captype = CAPTURE_CHANNEL_TYPE_MPEG; + cx->mpg_data_received = cx->vbi_data_inserted = 0; + cx->dualwatch_jiffies = jiffies; + cx->dualwatch_stereo_mode = cx->params.audio_properties & 0x300; + cx->search_pack_header = 0; + break; + + case CX18_ENC_STREAM_TYPE_TS: + captype = CAPTURE_CHANNEL_TYPE_TS; + ts = 1; + break; + case CX18_ENC_STREAM_TYPE_YUV: + captype = CAPTURE_CHANNEL_TYPE_YUV; + break; + case CX18_ENC_STREAM_TYPE_PCM: + captype = CAPTURE_CHANNEL_TYPE_PCM; + break; + case CX18_ENC_STREAM_TYPE_VBI: + captype = cx->vbi.sliced_in->service_set ? + CAPTURE_CHANNEL_TYPE_SLICED_VBI : CAPTURE_CHANNEL_TYPE_VBI; + cx->vbi.frame = 0; + cx->vbi.inserted_frame = 0; + memset(cx->vbi.sliced_mpeg_size, + 0, sizeof(cx->vbi.sliced_mpeg_size)); + break; + default: + return -EINVAL; + } + s->buffers_stolen = 0; + + /* mute/unmute video */ + cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, + s->handle, !!test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)); + + /* Clear Streamoff flags in case left from last capture */ + clear_bit(CX18_F_S_STREAMOFF, &s->s_flags); + + cx18_vapi_result(cx, data, CX18_CREATE_TASK, 1, CPU_CMD_MASK_CAPTURE); + s->handle = data[0]; + cx18_vapi(cx, CX18_CPU_SET_CHANNEL_TYPE, 2, s->handle, captype); + + if (atomic_read(&cx->capturing) == 0 && !ts) { + /* Stuff from Windows, we don't know what it is */ + cx18_vapi(cx, CX18_CPU_SET_VER_CROP_LINE, 2, s->handle, 0); + cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 3, 1); + cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 8, 0); + cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 4, 1); + cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2, s->handle, 12); + + cx18_vapi(cx, CX18_CPU_SET_CAPTURE_LINE_NO, 3, + s->handle, cx->digitizer, cx->digitizer); + + /* Setup VBI */ + if (cx->v4l2_cap & V4L2_CAP_VBI_CAPTURE) + cx18_vbi_setup(s); + + /* assign program index info. + Mask 7: select I/P/B, Num_req: 400 max */ + cx18_vapi_result(cx, data, CX18_CPU_SET_INDEXTABLE, 1, 0); + + /* Setup API for Stream */ + cx2341x_update(cx, cx18_api_func, NULL, &cx->params); + } + + if (atomic_read(&cx->capturing) == 0) { + clear_bit(CX18_F_I_EOS, &cx->i_flags); + write_reg(7, CX18_DSP0_INTERRUPT_MASK); + } + + cx18_vapi(cx, CX18_CPU_DE_SET_MDL_ACK, 3, s->handle, + (void *)&cx->scb->cpu_mdl_ack[s->type][0] - cx->enc_mem, + (void *)&cx->scb->cpu_mdl_ack[s->type][1] - cx->enc_mem); + + list_for_each(p, &s->q_free.list) { + struct cx18_buffer *buf = list_entry(p, struct cx18_buffer, list); + + writel(buf->dma_handle, &cx->scb->cpu_mdl[buf->id].paddr); + writel(s->buf_size, &cx->scb->cpu_mdl[buf->id].length); + cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, s->handle, + (void *)&cx->scb->cpu_mdl[buf->id] - cx->enc_mem, 1, + buf->id, s->buf_size); + } + /* begin_capture */ + if (cx18_vapi(cx, CX18_CPU_CAPTURE_START, 1, s->handle)) { + CX18_DEBUG_WARN("Error starting capture!\n"); + cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); + return -EINVAL; + } + + /* you're live! sit back and await interrupts :) */ + atomic_inc(&cx->capturing); + return 0; +} + +void cx18_stop_all_captures(struct cx18 *cx) +{ + int i; + + for (i = CX18_MAX_STREAMS - 1; i >= 0; i--) { + struct cx18_stream *s = &cx->streams[i]; + + if (s->v4l2dev == NULL && s->dvb.enabled == 0) + continue; + if (test_bit(CX18_F_S_STREAMING, &s->s_flags)) + cx18_stop_v4l2_encode_stream(s, 0); + } +} + +int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end) +{ + struct cx18 *cx = s->cx; + unsigned long then; + + if (s->v4l2dev == NULL && s->dvb.enabled == 0) + return -EINVAL; + + /* This function assumes that you are allowed to stop the capture + and that we are actually capturing */ + + CX18_DEBUG_INFO("Stop Capture\n"); + + if (atomic_read(&cx->capturing) == 0) + return 0; + + if (s->type == CX18_ENC_STREAM_TYPE_MPG) + cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 2, s->handle, !gop_end); + else + cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle); + + then = jiffies; + + if (s->type == CX18_ENC_STREAM_TYPE_MPG && gop_end) { + CX18_INFO("ignoring gop_end: not (yet?) supported by the firmware\n"); + } + + atomic_dec(&cx->capturing); + + /* Clear capture and no-read bits */ + clear_bit(CX18_F_S_STREAMING, &s->s_flags); + + cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); + s->handle = 0xffffffff; + + if (atomic_read(&cx->capturing) > 0) + return 0; + + write_reg(5, CX18_DSP0_INTERRUPT_MASK); + wake_up(&s->waitq); + + return 0; +} + +u32 cx18_find_handle(struct cx18 *cx) +{ + int i; + + /* find first available handle to be used for global settings */ + for (i = 0; i < CX18_MAX_STREAMS; i++) { + struct cx18_stream *s = &cx->streams[i]; + + if (s->v4l2dev && s->handle) + return s->handle; + } + return 0; +} diff --git a/drivers/media/video/cx18/cx18-streams.h b/drivers/media/video/cx18/cx18-streams.h new file mode 100644 index 0000000..8c7ba7d --- /dev/null +++ b/drivers/media/video/cx18/cx18-streams.h @@ -0,0 +1,33 @@ +/* + * cx18 init/start/stop/exit stream functions + * + * Derived from ivtv-streams.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +u32 cx18_find_handle(struct cx18 *cx); +int cx18_streams_setup(struct cx18 *cx); +int cx18_streams_register(struct cx18 *cx); +void cx18_streams_cleanup(struct cx18 *cx); + +/* Capture related */ +int cx18_start_v4l2_encode_stream(struct cx18_stream *s); +int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end); + +void cx18_stop_all_captures(struct cx18 *cx); diff --git a/drivers/media/video/cx18/cx18-vbi.c b/drivers/media/video/cx18/cx18-vbi.c new file mode 100644 index 0000000..4bece9c --- /dev/null +++ b/drivers/media/video/cx18/cx18-vbi.c @@ -0,0 +1,208 @@ +/* + * cx18 Vertical Blank Interval support functions + * + * Derived from ivtv-vbi.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-vbi.h" +#include "cx18-ioctl.h" +#include "cx18-queue.h" +#include "cx18-av-core.h" + +static void copy_vbi_data(struct cx18 *cx, int lines, u32 pts_stamp) +{ + int line = 0; + int i; + u32 linemask[2] = { 0, 0 }; + unsigned short size; + static const u8 mpeg_hdr_data[] = { + 0x00, 0x00, 0x01, 0xba, 0x44, 0x00, 0x0c, 0x66, + 0x24, 0x01, 0x01, 0xd1, 0xd3, 0xfa, 0xff, 0xff, + 0x00, 0x00, 0x01, 0xbd, 0x00, 0x1a, 0x84, 0x80, + 0x07, 0x21, 0x00, 0x5d, 0x63, 0xa7, 0xff, 0xff + }; + const int sd = sizeof(mpeg_hdr_data); /* start of vbi data */ + int idx = cx->vbi.frame % CX18_VBI_FRAMES; + u8 *dst = &cx->vbi.sliced_mpeg_data[idx][0]; + + for (i = 0; i < lines; i++) { + struct v4l2_sliced_vbi_data *sdata = cx->vbi.sliced_data + i; + int f, l; + + if (sdata->id == 0) + continue; + + l = sdata->line - 6; + f = sdata->field; + if (f) + l += 18; + if (l < 32) + linemask[0] |= (1 << l); + else + linemask[1] |= (1 << (l - 32)); + dst[sd + 12 + line * 43] = service2vbi(sdata->id); + memcpy(dst + sd + 12 + line * 43 + 1, sdata->data, 42); + line++; + } + memcpy(dst, mpeg_hdr_data, sizeof(mpeg_hdr_data)); + if (line == 36) { + /* All lines are used, so there is no space for the linemask + (the max size of the VBI data is 36 * 43 + 4 bytes). + So in this case we use the magic number 'ITV0'. */ + memcpy(dst + sd, "ITV0", 4); + memcpy(dst + sd + 4, dst + sd + 12, line * 43); + size = 4 + ((43 * line + 3) & ~3); + } else { + memcpy(dst + sd, "cx0", 4); + memcpy(dst + sd + 4, &linemask[0], 8); + size = 12 + ((43 * line + 3) & ~3); + } + dst[4+16] = (size + 10) >> 8; + dst[5+16] = (size + 10) & 0xff; + dst[9+16] = 0x21 | ((pts_stamp >> 29) & 0x6); + dst[10+16] = (pts_stamp >> 22) & 0xff; + dst[11+16] = 1 | ((pts_stamp >> 14) & 0xff); + dst[12+16] = (pts_stamp >> 7) & 0xff; + dst[13+16] = 1 | ((pts_stamp & 0x7f) << 1); + cx->vbi.sliced_mpeg_size[idx] = sd + size; +} + +/* Compress raw VBI format, removes leading SAV codes and surplus space + after the field. + Returns new compressed size. */ +static u32 compress_raw_buf(struct cx18 *cx, u8 *buf, u32 size) +{ + u32 line_size = cx->vbi.raw_decoder_line_size; + u32 lines = cx->vbi.count; + u8 sav1 = cx->vbi.raw_decoder_sav_odd_field; + u8 sav2 = cx->vbi.raw_decoder_sav_even_field; + u8 *q = buf; + u8 *p; + int i; + + for (i = 0; i < lines; i++) { + p = buf + i * line_size; + + /* Look for SAV code */ + if (p[0] != 0xff || p[1] || p[2] || + (p[3] != sav1 && p[3] != sav2)) + break; + memcpy(q, p + 4, line_size - 4); + q += line_size - 4; + } + return lines * (line_size - 4); +} + + +/* Compressed VBI format, all found sliced blocks put next to one another + Returns new compressed size */ +static u32 compress_sliced_buf(struct cx18 *cx, u32 line, u8 *buf, + u32 size, u8 sav) +{ + u32 line_size = cx->vbi.sliced_decoder_line_size; + struct v4l2_decode_vbi_line vbi; + int i; + + /* find the first valid line */ + for (i = 0; i < size; i++, buf++) { + if (buf[0] == 0xff && !buf[1] && !buf[2] && buf[3] == sav) + break; + } + + size -= i; + if (size < line_size) + return line; + for (i = 0; i < size / line_size; i++) { + u8 *p = buf + i * line_size; + + /* Look for SAV code */ + if (p[0] != 0xff || p[1] || p[2] || p[3] != sav) + continue; + vbi.p = p + 4; + cx18_av_cmd(cx, VIDIOC_INT_DECODE_VBI_LINE, &vbi); + if (vbi.type) { + cx->vbi.sliced_data[line].id = vbi.type; + cx->vbi.sliced_data[line].field = vbi.is_second_field; + cx->vbi.sliced_data[line].line = vbi.line; + memcpy(cx->vbi.sliced_data[line].data, vbi.p, 42); + line++; + } + } + return line; +} + +void cx18_process_vbi_data(struct cx18 *cx, struct cx18_buffer *buf, + u64 pts_stamp, int streamtype) +{ + u8 *p = (u8 *) buf->buf; + u32 size = buf->bytesused; + int lines; + + if (streamtype != CX18_ENC_STREAM_TYPE_VBI) + return; + + /* Raw VBI data */ + if (cx->vbi.sliced_in->service_set == 0) { + u8 type; + + cx18_buf_swap(buf); + + type = p[3]; + + size = buf->bytesused = compress_raw_buf(cx, p, size); + + /* second field of the frame? */ + if (type == cx->vbi.raw_decoder_sav_even_field) { + /* Dirty hack needed for backwards + compatibility of old VBI software. */ + p += size - 4; + memcpy(p, &cx->vbi.frame, 4); + cx->vbi.frame++; + } + return; + } + + /* Sliced VBI data with data insertion */ + cx18_buf_swap(buf); + + /* first field */ + lines = compress_sliced_buf(cx, 0, p, size / 2, + cx->vbi.sliced_decoder_sav_odd_field); + /* second field */ + /* experimentation shows that the second half does not always + begin at the exact address. So start a bit earlier + (hence 32). */ + lines = compress_sliced_buf(cx, lines, p + size / 2 - 32, + size / 2 + 32, cx->vbi.sliced_decoder_sav_even_field); + /* always return at least one empty line */ + if (lines == 0) { + cx->vbi.sliced_data[0].id = 0; + cx->vbi.sliced_data[0].line = 0; + cx->vbi.sliced_data[0].field = 0; + lines = 1; + } + buf->bytesused = size = lines * sizeof(cx->vbi.sliced_data[0]); + memcpy(p, &cx->vbi.sliced_data[0], size); + + if (cx->vbi.insert_mpeg) + copy_vbi_data(cx, lines, pts_stamp); + cx->vbi.frame++; +} diff --git a/drivers/media/video/cx18/cx18-vbi.h b/drivers/media/video/cx18/cx18-vbi.h new file mode 100644 index 0000000..c56ff7d --- /dev/null +++ b/drivers/media/video/cx18/cx18-vbi.h @@ -0,0 +1,26 @@ +/* + * cx18 Vertical Blank Interval support functions + * + * Derived from ivtv-vbi.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +void cx18_process_vbi_data(struct cx18 *cx, struct cx18_buffer *buf, + u64 pts_stamp, int streamtype); +int cx18_used_line(struct cx18 *cx, int line, int field); diff --git a/drivers/media/video/cx18/cx18-version.h b/drivers/media/video/cx18/cx18-version.h new file mode 100644 index 0000000..d5c7a6f --- /dev/null +++ b/drivers/media/video/cx18/cx18-version.h @@ -0,0 +1,34 @@ +/* + * cx18 driver version information + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#ifndef CX18_VERSION_H +#define CX18_VERSION_H + +#define CX18_DRIVER_NAME "cx18" +#define CX18_DRIVER_VERSION_MAJOR 1 +#define CX18_DRIVER_VERSION_MINOR 0 +#define CX18_DRIVER_VERSION_PATCHLEVEL 0 + +#define CX18_VERSION __stringify(CX18_DRIVER_VERSION_MAJOR) "." __stringify(CX18_DRIVER_VERSION_MINOR) "." __stringify(CX18_DRIVER_VERSION_PATCHLEVEL) +#define CX18_DRIVER_VERSION KERNEL_VERSION(CX18_DRIVER_VERSION_MAJOR, \ + CX18_DRIVER_VERSION_MINOR, CX18_DRIVER_VERSION_PATCHLEVEL) + +#endif diff --git a/drivers/media/video/cx18/cx18-video.c b/drivers/media/video/cx18/cx18-video.c new file mode 100644 index 0000000..2e5c419 --- /dev/null +++ b/drivers/media/video/cx18/cx18-video.c @@ -0,0 +1,45 @@ +/* + * cx18 video interface functions + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-video.h" +#include "cx18-av-core.h" +#include "cx18-cards.h" + +void cx18_video_set_io(struct cx18 *cx) +{ + struct v4l2_routing route; + int inp = cx->active_input; + u32 type; + + route.input = cx->card->video_inputs[inp].video_input; + route.output = 0; + cx18_av_cmd(cx, VIDIOC_INT_S_VIDEO_ROUTING, &route); + + type = cx->card->video_inputs[inp].video_type; + + if (type == CX18_CARD_INPUT_VID_TUNER) + route.input = 0; /* Tuner */ + else if (type < CX18_CARD_INPUT_COMPOSITE1) + route.input = 2; /* S-Video */ + else + route.input = 1; /* Composite */ +} diff --git a/drivers/media/video/cx18/cx18-video.h b/drivers/media/video/cx18/cx18-video.h new file mode 100644 index 0000000..529006a --- /dev/null +++ b/drivers/media/video/cx18/cx18-video.h @@ -0,0 +1,22 @@ +/* + * cx18 video interface functions + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +void cx18_video_set_io(struct cx18 *cx); diff --git a/drivers/media/video/cx18/cx23418.h b/drivers/media/video/cx18/cx23418.h new file mode 100644 index 0000000..33f78da --- /dev/null +++ b/drivers/media/video/cx18/cx23418.h @@ -0,0 +1,458 @@ +/* + * cx18 header containing common defines. + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#ifndef CX23418_H +#define CX23418_H + +#include <media/cx2341x.h> + +#define MGR_CMD_MASK 0x40000000 +/* The MSB of the command code indicates that this is the completion of a + command */ +#define MGR_CMD_MASK_ACK (MGR_CMD_MASK | 0x80000000) + +/* Description: This command creates a new instance of a certain task + IN[0] - Task ID. This is one of the XPU_CMD_MASK_YYY where XPU is + the processor on which the task YYY will be created + OUT[0] - Task handle. This handle is passed along with commands to + dispatch to the right instance of the task + ReturnCode - One of the ERR_SYS_... */ +#define CX18_CREATE_TASK (MGR_CMD_MASK | 0x0001) + +/* Description: This command destroys an instance of a task + IN[0] - Task handle. Hanlde of the task to destroy + ReturnCode - One of the ERR_SYS_... */ +#define CX18_DESTROY_TASK (MGR_CMD_MASK | 0x0002) + +/* All commands for CPU have the following mask set */ +#define CPU_CMD_MASK 0x20000000 +#define CPU_CMD_MASK_ACK (CPU_CMD_MASK | 0x80000000) +#define CPU_CMD_MASK_CAPTURE (CPU_CMD_MASK | 0x00020000) +#define CPU_CMD_MASK_TS (CPU_CMD_MASK | 0x00040000) + +#define EPU_CMD_MASK 0x02000000 +#define EPU_CMD_MASK_DEBUG (EPU_CMD_MASK | 0x000000) +#define EPU_CMD_MASK_DE (EPU_CMD_MASK | 0x040000) + +/* Description: This command indicates that a Memory Descriptor List has been + filled with the requested channel type + IN[0] - Task handle. Handle of the task + IN[1] - Offset of the MDL_ACK from the beginning of the local DDR. + IN[2] - Number of CNXT_MDL_ACK structures in the array pointed to by IN[1] + ReturnCode - One of the ERR_DE_... */ +#define CX18_EPU_DMA_DONE (EPU_CMD_MASK_DE | 0x0001) + +/* Something interesting happened + IN[0] - A value to log + IN[1] - An offset of a string in the MiniMe memory; + 0/zero/NULL means "I have nothing to say" */ +#define CX18_EPU_DEBUG (EPU_CMD_MASK_DEBUG | 0x0003) + +/* Description: This command starts streaming with the set channel type + IN[0] - Task handle. Handle of the task to start + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_CAPTURE_START (CPU_CMD_MASK_CAPTURE | 0x0002) + +/* Description: This command stops streaming with the set channel type + IN[0] - Task handle. Handle of the task to stop + IN[1] - 0 = stop at end of GOP, 1 = stop at end of frame (MPEG only) + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_CAPTURE_STOP (CPU_CMD_MASK_CAPTURE | 0x0003) + +/* Description: This command pauses streaming with the set channel type + IN[0] - Task handle. Handle of the task to pause + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_CAPTURE_PAUSE (CPU_CMD_MASK_CAPTURE | 0x0007) + +/* Description: This command resumes streaming with the set channel type + IN[0] - Task handle. Handle of the task to resume + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_CAPTURE_RESUME (CPU_CMD_MASK_CAPTURE | 0x0008) + +#define CAPTURE_CHANNEL_TYPE_NONE 0 +#define CAPTURE_CHANNEL_TYPE_MPEG 1 +#define CAPTURE_CHANNEL_TYPE_INDEX 2 +#define CAPTURE_CHANNEL_TYPE_YUV 3 +#define CAPTURE_CHANNEL_TYPE_PCM 4 +#define CAPTURE_CHANNEL_TYPE_VBI 5 +#define CAPTURE_CHANNEL_TYPE_SLICED_VBI 6 +#define CAPTURE_CHANNEL_TYPE_TS 7 +#define CAPTURE_CHANNEL_TYPE_MAX 15 + +/* Description: This command sets the channel type. This can only be done + when stopped. + IN[0] - Task handle. Handle of the task to start + IN[1] - Channel Type. See Below. + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_CHANNEL_TYPE (CPU_CMD_MASK_CAPTURE + 1) + +/* Description: Set stream output type + IN[0] - task handle. Handle of the task to start + IN[1] - type + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_STREAM_OUTPUT_TYPE (CPU_CMD_MASK_CAPTURE | 0x0012) + +/* Description: Set video input resolution and frame rate + IN[0] - task handle + IN[1] - reserved + IN[2] - reserved + IN[3] - reserved + IN[4] - reserved + IN[5] - frame rate, 0 - 29.97f/s, 1 - 25f/s + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_VIDEO_IN (CPU_CMD_MASK_CAPTURE | 0x0004) + +/* Description: Set video frame rate + IN[0] - task handle. Handle of the task to start + IN[1] - video bit rate mode + IN[2] - video average rate + IN[3] - video peak rate + IN[4] - system mux rate + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_VIDEO_RATE (CPU_CMD_MASK_CAPTURE | 0x0005) + +/* Description: Set video output resolution + IN[0] - task handle + IN[1] - horizontal size + IN[2] - vertical size + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_VIDEO_RESOLUTION (CPU_CMD_MASK_CAPTURE | 0x0006) + +/* Description: This command set filter parameters + IN[0] - Task handle. Handle of the task + IN[1] - type, 0 - temporal, 1 - spatial, 2 - median + IN[2] - mode, temporal/spatial: 0 - disable, 1 - static, 2 - dynamic + median: 0 = disable, 1 = horizontal, 2 = vertical, + 3 = horizontal/vertical, 4 = diagonal + IN[3] - strength, temporal 0 - 31, spatial 0 - 15 + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_FILTER_PARAM (CPU_CMD_MASK_CAPTURE | 0x0009) + +/* Description: This command set spatial filter type + IN[0] - Task handle. + IN[1] - luma type: 0 = disable, 1 = 1D horizontal only, 2 = 1D vertical only, + 3 = 2D H/V separable, 4 = 2D symmetric non-separable + IN[2] - chroma type: 0 - diable, 1 = 1D horizontal + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_SPATIAL_FILTER_TYPE (CPU_CMD_MASK_CAPTURE | 0x000C) + +/* Description: This command set coring levels for median filter + IN[0] - Task handle. + IN[1] - luma_high + IN[2] - luma_low + IN[3] - chroma_high + IN[4] - chroma_low + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_MEDIAN_CORING (CPU_CMD_MASK_CAPTURE | 0x000E) + +/* Description: This command set the picture type mask for index file + IN[0] - 0 = disable index file output + 1 = output I picture + 2 = P picture + 4 = B picture + other = illegal */ +#define CX18_CPU_SET_INDEXTABLE (CPU_CMD_MASK_CAPTURE | 0x0010) + +/* Description: Set audio parameters + IN[0] - task handle. Handle of the task to start + IN[1] - audio parameter + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_AUDIO_PARAMETERS (CPU_CMD_MASK_CAPTURE | 0x0011) + +/* Description: Set video mute + IN[0] - task handle. Handle of the task to start + IN[1] - bit31-24: muteYvalue + bit23-16: muteUvalue + bit15-8: muteVvalue + bit0: 1:mute, 0: unmute + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_VIDEO_MUTE (CPU_CMD_MASK_CAPTURE | 0x0013) + +/* Description: Set audio mute + IN[0] - task handle. Handle of the task to start + IN[1] - mute/unmute + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_AUDIO_MUTE (CPU_CMD_MASK_CAPTURE | 0x0014) + +/* Description: Set stream output type + IN[0] - task handle. Handle of the task to start + IN[1] - subType + SET_INITIAL_SCR 1 + SET_QUALITY_MODE 2 + SET_VIM_PROTECT_MODE 3 + SET_PTS_CORRECTION 4 + SET_USB_FLUSH_MODE 5 + SET_MERAQPAR_ENABLE 6 + SET_NAV_PACK_INSERTION 7 + SET_SCENE_CHANGE_ENABLE 8 + IN[2] - parameter 1 + IN[3] - parameter 2 + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_MISC_PARAMETERS (CPU_CMD_MASK_CAPTURE | 0x0015) + +/* Description: Set raw VBI parameters + IN[0] - Task handle + IN[1] - No. of input lines per field: + bit[15:0]: field 1, + bit[31:16]: field 2 + IN[2] - No. of input bytes per line + IN[3] - No. of output frames per transfer + IN[4] - start code + IN[5] - stop code + ReturnCode */ +#define CX18_CPU_SET_RAW_VBI_PARAM (CPU_CMD_MASK_CAPTURE | 0x0016) + +/* Description: Set capture line No. + IN[0] - task handle. Handle of the task to start + IN[1] - height1 + IN[2] - height2 + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_CAPTURE_LINE_NO (CPU_CMD_MASK_CAPTURE | 0x0017) + +/* Description: Set copyright + IN[0] - task handle. Handle of the task to start + IN[1] - copyright + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_COPYRIGHT (CPU_CMD_MASK_CAPTURE | 0x0018) + +/* Description: Set audio PID + IN[0] - task handle. Handle of the task to start + IN[1] - PID + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_AUDIO_PID (CPU_CMD_MASK_CAPTURE | 0x0019) + +/* Description: Set video PID + IN[0] - task handle. Handle of the task to start + IN[1] - PID + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_VIDEO_PID (CPU_CMD_MASK_CAPTURE | 0x001A) + +/* Description: Set Vertical Crop Line + IN[0] - task handle. Handle of the task to start + IN[1] - Line + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_VER_CROP_LINE (CPU_CMD_MASK_CAPTURE | 0x001B) + +/* Description: Set COP structure + IN[0] - task handle. Handle of the task to start + IN[1] - M + IN[2] - N + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_GOP_STRUCTURE (CPU_CMD_MASK_CAPTURE | 0x001C) + +/* Description: Set Scene Change Detection + IN[0] - task handle. Handle of the task to start + IN[1] - scene change + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_SCENE_CHANGE_DETECTION (CPU_CMD_MASK_CAPTURE | 0x001D) + +/* Description: Set Aspect Ratio + IN[0] - task handle. Handle of the task to start + IN[1] - AspectRatio + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_ASPECT_RATIO (CPU_CMD_MASK_CAPTURE | 0x001E) + +/* Description: Set Skip Input Frame + IN[0] - task handle. Handle of the task to start + IN[1] - skip input frames + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_SKIP_INPUT_FRAME (CPU_CMD_MASK_CAPTURE | 0x001F) + +/* Description: Set sliced VBI parameters - + Note This API will only apply to MPEG and Sliced VBI Channels + IN[0] - Task handle + IN[1] - output type, 0 - CC, 1 - Moji, 2 - Teletext + IN[2] - start / stop line + bit[15:0] start line number + bit[31:16] stop line number + IN[3] - number of output frames per interrupt + IN[4] - VBI insertion mode + bit 0: output user data, 1 - enable + bit 1: output private stream, 1 - enable + bit 2: mux option, 0 - in GOP, 1 - in picture + bit[7:0] private stream ID + IN[5] - insertion period while mux option is in picture + ReturnCode - VBI data offset */ +#define CX18_CPU_SET_SLICED_VBI_PARAM (CPU_CMD_MASK_CAPTURE | 0x0020) + +/* Description: Set the user data place holder + IN[0] - type of data (0 for user) + IN[1] - Stuffing period + IN[2] - ID data size in word (less than 10) + IN[3] - Pointer to ID buffer */ +#define CX18_CPU_SET_USERDATA_PLACE_HOLDER (CPU_CMD_MASK_CAPTURE | 0x0021) + + +/* Description: + In[0] Task Handle + return parameter: + Out[0] Reserved + Out[1] Video PTS bit[32:2] of last output video frame. + Out[2] Video PTS bit[ 1:0] of last output video frame. + Out[3] Hardware Video PTS counter bit[31:0], + these bits get incremented on every 90kHz clock tick. + Out[4] Hardware Video PTS counter bit32, + these bits get incremented on every 90kHz clock tick. + ReturnCode */ +#define CX18_CPU_GET_ENC_PTS (CPU_CMD_MASK_CAPTURE | 0x0022) + +/* Below is the list of commands related to the data exchange */ +#define CPU_CMD_MASK_DE (CPU_CMD_MASK | 0x040000) + +/* Description: This command provides the physical base address of the local + DDR as viewed by EPU + IN[0] - Physical offset where EPU has the local DDR mapped + ReturnCode - One of the ERR_DE_... */ +#define CPU_CMD_DE_SetBase (CPU_CMD_MASK_DE | 0x0001) + +/* Description: This command provides the offsets in the device memory where + the 2 cx18_mdl_ack blocks reside + IN[0] - Task handle. Handle of the task to start + IN[1] - Offset of the first cx18_mdl_ack from the beginning of the + local DDR. + IN[2] - Offset of the second cx18_mdl_ack from the beginning of the + local DDR. + ReturnCode - One of the ERR_DE_... */ +#define CX18_CPU_DE_SET_MDL_ACK (CPU_CMD_MASK_DE | 0x0002) + +/* Description: This command provides the offset to a Memory Descriptor List + IN[0] - Task handle. Handle of the task to start + IN[1] - Offset of the MDL from the beginning of the local DDR. + IN[2] - Number of cx18_mdl structures in the array pointed to by IN[1] + IN[3] - Buffer ID + IN[4] - Total buffer length + ReturnCode - One of the ERR_DE_... */ +#define CX18_CPU_DE_SET_MDL (CPU_CMD_MASK_DE | 0x0005) + +/* Description: This command requests return of all current Memory + Descriptor Lists to the driver + IN[0] - Task handle. Handle of the task to start + ReturnCode - One of the ERR_DE_... */ +/* #define CX18_CPU_DE_ReleaseMDL (CPU_CMD_MASK_DE | 0x0006) */ + +/* Description: This command signals the cpu that the dat buffer has been + consumed and ready for re-use. + IN[0] - Task handle. Handle of the task + IN[1] - Offset of the data block from the beginning of the local DDR. + IN[2] - Number of bytes in the data block + ReturnCode - One of the ERR_DE_... */ +/* #define CX18_CPU_DE_RELEASE_BUFFER (CPU_CMD_MASK_DE | 0x0007) */ + +/* No Error / Success */ +#define CNXT_OK 0x000000 + +/* Received unknown command */ +#define CXERR_UNK_CMD 0x000001 + +/* First parameter in the command is invalid */ +#define CXERR_INVALID_PARAM1 0x000002 + +/* Second parameter in the command is invalid */ +#define CXERR_INVALID_PARAM2 0x000003 + +/* Device interface is not open/found */ +#define CXERR_DEV_NOT_FOUND 0x000004 + +/* Requested function is not implemented/available */ +#define CXERR_NOTSUPPORTED 0x000005 + +/* Invalid pointer is provided */ +#define CXERR_BADPTR 0x000006 + +/* Unable to allocate memory */ +#define CXERR_NOMEM 0x000007 + +/* Object/Link not found */ +#define CXERR_LINK 0x000008 + +/* Device busy, command cannot be executed */ +#define CXERR_BUSY 0x000009 + +/* File/device/handle is not open. */ +#define CXERR_NOT_OPEN 0x00000A + +/* Value is out of range */ +#define CXERR_OUTOFRANGE 0x00000B + +/* Buffer overflow */ +#define CXERR_OVERFLOW 0x00000C + +/* Version mismatch */ +#define CXERR_BADVER 0x00000D + +/* Operation timed out */ +#define CXERR_TIMEOUT 0x00000E + +/* Operation aborted */ +#define CXERR_ABORT 0x00000F + +/* Specified I2C device not found for read/write */ +#define CXERR_I2CDEV_NOTFOUND 0x000010 + +/* Error in I2C data xfer (but I2C device is present) */ +#define CXERR_I2CDEV_XFERERR 0x000011 + +/* Chanel changing component not ready */ +#define CXERR_CHANNELNOTREADY 0x000012 + +/* PPU (Presensation/Decoder) mail box is corrupted */ +#define CXERR_PPU_MB_CORRUPT 0x000013 + +/* CPU (Capture/Encoder) mail box is corrupted */ +#define CXERR_CPU_MB_CORRUPT 0x000014 + +/* APU (Audio) mail box is corrupted */ +#define CXERR_APU_MB_CORRUPT 0x000015 + +/* Unable to open file for reading */ +#define CXERR_FILE_OPEN_READ 0x000016 + +/* Unable to open file for writing */ +#define CXERR_FILE_OPEN_WRITE 0x000017 + +/* Unable to find the I2C section specified */ +#define CXERR_I2C_BADSECTION 0x000018 + +/* Error in I2C data xfer (but I2C device is present) */ +#define CXERR_I2CDEV_DATALOW 0x000019 + +/* Error in I2C data xfer (but I2C device is present) */ +#define CXERR_I2CDEV_CLOCKLOW 0x00001A + +/* No Interrupt received from HW (for I2C access) */ +#define CXERR_NO_HW_I2C_INTR 0x00001B + +/* RPU is not ready to accept commands! */ +#define CXERR_RPU_NOT_READY 0x00001C + +/* RPU is not ready to accept commands! */ +#define CXERR_RPU_NO_ACK 0x00001D + +/* The are no buffers ready. Try again soon! */ +#define CXERR_NODATA_AGAIN 0x00001E + +/* The stream is stopping. Function not alllowed now! */ +#define CXERR_STOPPING_STATUS 0x00001F + +/* Trying to access hardware when the power is turned OFF */ +#define CXERR_DEVPOWER_OFF 0x000020 + +#endif /* CX23418_H */ diff --git a/include/media/v4l2-chip-ident.h b/include/media/v4l2-chip-ident.h index 0ea0bd8..2a52774 100644 --- a/include/media/v4l2-chip-ident.h +++ b/include/media/v4l2-chip-ident.h @@ -64,6 +64,7 @@ enum { /* Conexant MPEG encoder/decoders: reserved range 410-420 */ V4L2_IDENT_CX23415 = 415, V4L2_IDENT_CX23416 = 416, + V4L2_IDENT_CX23418 = 418, /* module vp27smpx: just ident 2700 */ V4L2_IDENT_VP27SMPX = 2700, |
