diff options
author | Antti Palosaari <crope@iki.fi> | 2014-07-13 04:12:05 +0300 |
---|---|---|
committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-07-21 23:15:12 -0300 |
commit | fd8b5f502929925468561279d5697a4d7d8b7671 (patch) | |
tree | 9232d2bdaddbb6503ad6794623372c8cd5c95d08 /drivers/staging/media | |
parent | 1b303e1a58599e42f858805285f03ccb5a4e18d2 (diff) | |
download | op-kernel-dev-fd8b5f502929925468561279d5697a4d7d8b7671.zip op-kernel-dev-fd8b5f502929925468561279d5697a4d7d8b7671.tar.gz |
msi2500: move msi3101 out of staging and rename
Move msi3101 out of staging and rename to msi2500.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/staging/media')
-rw-r--r-- | drivers/staging/media/Kconfig | 2 | ||||
-rw-r--r-- | drivers/staging/media/Makefile | 1 | ||||
-rw-r--r-- | drivers/staging/media/msi3101/Kconfig | 7 | ||||
-rw-r--r-- | drivers/staging/media/msi3101/Makefile | 1 | ||||
-rw-r--r-- | drivers/staging/media/msi3101/sdr-msi3101.c | 1517 |
5 files changed, 0 insertions, 1528 deletions
diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig index a326d5d..e91c538 100644 --- a/drivers/staging/media/Kconfig +++ b/drivers/staging/media/Kconfig @@ -31,8 +31,6 @@ source "drivers/staging/media/dt3155v4l/Kconfig" source "drivers/staging/media/go7007/Kconfig" -source "drivers/staging/media/msi3101/Kconfig" - source "drivers/staging/media/omap24xx/Kconfig" source "drivers/staging/media/solo6x10/Kconfig" diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile index e1e053a..4f6c0ee 100644 --- a/drivers/staging/media/Makefile +++ b/drivers/staging/media/Makefile @@ -5,7 +5,6 @@ obj-$(CONFIG_LIRC_STAGING) += lirc/ obj-$(CONFIG_SOLO6X10) += solo6x10/ obj-$(CONFIG_VIDEO_DT3155) += dt3155v4l/ obj-$(CONFIG_VIDEO_GO7007) += go7007/ -obj-$(CONFIG_USB_MSI3101) += msi3101/ obj-$(CONFIG_VIDEO_DM365_VPFE) += davinci_vpfe/ obj-$(CONFIG_VIDEO_OMAP4) += omap4iss/ obj-$(CONFIG_VIDEO_OMAP2) += omap24xx/ diff --git a/drivers/staging/media/msi3101/Kconfig b/drivers/staging/media/msi3101/Kconfig deleted file mode 100644 index 399dbbb..0000000 --- a/drivers/staging/media/msi3101/Kconfig +++ /dev/null @@ -1,7 +0,0 @@ -config USB_MSI3101 - tristate "Mirics MSi3101 SDR Dongle" - depends on USB && VIDEO_DEV && VIDEO_V4L2 && SPI - select VIDEOBUF2_CORE - select VIDEOBUF2_VMALLOC - select MEDIA_TUNER_MSI001 - diff --git a/drivers/staging/media/msi3101/Makefile b/drivers/staging/media/msi3101/Makefile deleted file mode 100644 index 3730654..0000000 --- a/drivers/staging/media/msi3101/Makefile +++ /dev/null @@ -1 +0,0 @@ -obj-$(CONFIG_USB_MSI3101) += sdr-msi3101.o diff --git a/drivers/staging/media/msi3101/sdr-msi3101.c b/drivers/staging/media/msi3101/sdr-msi3101.c deleted file mode 100644 index 53aca38..0000000 --- a/drivers/staging/media/msi3101/sdr-msi3101.c +++ /dev/null @@ -1,1517 +0,0 @@ -/* - * Mirics MSi3101 SDR Dongle driver - * - * Copyright (C) 2013 Antti Palosaari <crope@iki.fi> - * - * 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. - * - * That driver is somehow based of pwc driver: - * (C) 1999-2004 Nemosoft Unv. - * (C) 2004-2006 Luc Saillard (luc@saillard.org) - * (C) 2011 Hans de Goede <hdegoede@redhat.com> - */ - -#include <linux/module.h> -#include <linux/slab.h> -#include <asm/div64.h> -#include <media/v4l2-device.h> -#include <media/v4l2-ioctl.h> -#include <media/v4l2-ctrls.h> -#include <media/v4l2-event.h> -#include <linux/usb.h> -#include <media/videobuf2-vmalloc.h> -#include <linux/spi/spi.h> - -/* - * iConfiguration 0 - * bInterfaceNumber 0 - * bAlternateSetting 1 - * bNumEndpoints 1 - * bEndpointAddress 0x81 EP 1 IN - * bmAttributes 1 - * Transfer Type Isochronous - * wMaxPacketSize 0x1400 3x 1024 bytes - * bInterval 1 - */ -#define MAX_ISO_BUFS (8) -#define ISO_FRAMES_PER_DESC (8) -#define ISO_MAX_FRAME_SIZE (3 * 1024) -#define ISO_BUFFER_SIZE (ISO_FRAMES_PER_DESC * ISO_MAX_FRAME_SIZE) -#define MAX_ISOC_ERRORS 20 - -/* TODO: These should be moved to V4L2 API */ -#define V4L2_PIX_FMT_SDR_S8 v4l2_fourcc('D', 'S', '0', '8') /* signed 8-bit */ -#define V4L2_PIX_FMT_SDR_S12 v4l2_fourcc('D', 'S', '1', '2') /* signed 12-bit */ -#define V4L2_PIX_FMT_SDR_S14 v4l2_fourcc('D', 'S', '1', '4') /* signed 14-bit */ -#define V4L2_PIX_FMT_SDR_MSI2500_384 v4l2_fourcc('M', '3', '8', '4') /* Mirics MSi2500 format 384 */ - -static const struct v4l2_frequency_band bands[] = { - { - .tuner = 0, - .type = V4L2_TUNER_ADC, - .index = 0, - .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS, - .rangelow = 1200000, - .rangehigh = 15000000, - }, -}; - -/* stream formats */ -struct msi3101_format { - char *name; - u32 pixelformat; -}; - -/* format descriptions for capture and preview */ -static struct msi3101_format formats[] = { - { - .name = "IQ U8", - .pixelformat = V4L2_SDR_FMT_CU8, - }, { - .name = "IQ U16LE", - .pixelformat = V4L2_SDR_FMT_CU16LE, -#if 0 - }, { - .name = "8-bit signed", - .pixelformat = V4L2_PIX_FMT_SDR_S8, - }, { - .name = "10+2-bit signed", - .pixelformat = V4L2_PIX_FMT_SDR_MSI2500_384, - }, { - .name = "12-bit signed", - .pixelformat = V4L2_PIX_FMT_SDR_S12, - }, { - .name = "14-bit signed", - .pixelformat = V4L2_PIX_FMT_SDR_S14, -#endif - }, -}; - -static const unsigned int NUM_FORMATS = ARRAY_SIZE(formats); - -/* intermediate buffers with raw data from the USB device */ -struct msi3101_frame_buf { - struct vb2_buffer vb; /* common v4l buffer stuff -- must be first */ - struct list_head list; -}; - -struct msi3101_state { - struct video_device vdev; - struct v4l2_device v4l2_dev; - struct v4l2_subdev *v4l2_subdev; - struct spi_master *master; - - /* videobuf2 queue and queued buffers list */ - struct vb2_queue vb_queue; - struct list_head queued_bufs; - spinlock_t queued_bufs_lock; /* Protects queued_bufs */ - - /* Note if taking both locks v4l2_lock must always be locked first! */ - struct mutex v4l2_lock; /* Protects everything else */ - struct mutex vb_queue_lock; /* Protects vb_queue and capt_file */ - - /* Pointer to our usb_device, will be NULL after unplug */ - struct usb_device *udev; /* Both mutexes most be hold when setting! */ - - unsigned int f_adc; - u32 pixelformat; - - unsigned int isoc_errors; /* number of contiguous ISOC errors */ - unsigned int vb_full; /* vb is full and packets dropped */ - - struct urb *urbs[MAX_ISO_BUFS]; - int (*convert_stream)(struct msi3101_state *s, u8 *dst, u8 *src, - unsigned int src_len); - - /* Controls */ - struct v4l2_ctrl_handler hdl; - - u32 next_sample; /* for track lost packets */ - u32 sample; /* for sample rate calc */ - unsigned long jiffies_next; - unsigned int sample_ctrl_bit[4]; -}; - -/* Private functions */ -static struct msi3101_frame_buf *msi3101_get_next_fill_buf( - struct msi3101_state *s) -{ - unsigned long flags = 0; - struct msi3101_frame_buf *buf = NULL; - - spin_lock_irqsave(&s->queued_bufs_lock, flags); - if (list_empty(&s->queued_bufs)) - goto leave; - - buf = list_entry(s->queued_bufs.next, struct msi3101_frame_buf, list); - list_del(&buf->list); -leave: - spin_unlock_irqrestore(&s->queued_bufs_lock, flags); - return buf; -} - -/* - * +=========================================================================== - * | 00-1023 | USB packet type '504' - * +=========================================================================== - * | 00- 03 | sequence number of first sample in that USB packet - * +--------------------------------------------------------------------------- - * | 04- 15 | garbage - * +--------------------------------------------------------------------------- - * | 16-1023 | samples - * +--------------------------------------------------------------------------- - * signed 8-bit sample - * 504 * 2 = 1008 samples - */ -static int msi3101_convert_stream_504(struct msi3101_state *s, u8 *dst, - u8 *src, unsigned int src_len) -{ - int i, i_max, dst_len = 0; - u32 sample_num[3]; - - /* There could be 1-3 1024 bytes URB frames */ - i_max = src_len / 1024; - - for (i = 0; i < i_max; i++) { - sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0; - if (i == 0 && s->next_sample != sample_num[0]) { - dev_dbg_ratelimited(&s->udev->dev, - "%d samples lost, %d %08x:%08x\n", - sample_num[0] - s->next_sample, - src_len, s->next_sample, sample_num[0]); - } - - /* - * Dump all unknown 'garbage' data - maybe we will discover - * someday if there is something rational... - */ - dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]); - - /* 504 x I+Q samples */ - src += 16; - memcpy(dst, src, 1008); - src += 1008; - dst += 1008; - dst_len += 1008; - } - - /* calculate samping rate and output it in 10 seconds intervals */ - if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) { - unsigned long jiffies_now = jiffies; - unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next); - unsigned int samples = sample_num[i_max - 1] - s->sample; - s->jiffies_next = jiffies_now; - s->sample = sample_num[i_max - 1]; - dev_dbg(&s->udev->dev, - "slen=%d samples=%u msecs=%lu sampling rate=%lu\n", - src_len, samples, msecs, - samples * 1000UL / msecs); - } - - /* next sample (sample = sample + i * 504) */ - s->next_sample = sample_num[i_max - 1] + 504; - - return dst_len; -} - -static int msi3101_convert_stream_504_u8(struct msi3101_state *s, u8 *dst, - u8 *src, unsigned int src_len) -{ - int i, j, i_max, dst_len = 0; - u32 sample_num[3]; - s8 *s8src; - u8 *u8dst; - - /* There could be 1-3 1024 bytes URB frames */ - i_max = src_len / 1024; - u8dst = (u8 *) dst; - - for (i = 0; i < i_max; i++) { - sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0; - if (i == 0 && s->next_sample != sample_num[0]) { - dev_dbg_ratelimited(&s->udev->dev, - "%d samples lost, %d %08x:%08x\n", - sample_num[0] - s->next_sample, - src_len, s->next_sample, sample_num[0]); - } - - /* - * Dump all unknown 'garbage' data - maybe we will discover - * someday if there is something rational... - */ - dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]); - - /* 504 x I+Q samples */ - src += 16; - - s8src = (s8 *) src; - for (j = 0; j < 1008; j++) - *u8dst++ = *s8src++ + 128; - - src += 1008; - dst += 1008; - dst_len += 1008; - } - - /* calculate samping rate and output it in 10 seconds intervals */ - if (unlikely(time_is_before_jiffies(s->jiffies_next))) { -#define MSECS 10000UL - unsigned int samples = sample_num[i_max - 1] - s->sample; - s->jiffies_next = jiffies + msecs_to_jiffies(MSECS); - s->sample = sample_num[i_max - 1]; - dev_dbg(&s->udev->dev, - "slen=%d samples=%u msecs=%lu sampling rate=%lu\n", - src_len, samples, MSECS, - samples * 1000UL / MSECS); - } - - /* next sample (sample = sample + i * 504) */ - s->next_sample = sample_num[i_max - 1] + 504; - - return dst_len; -} - -/* - * +=========================================================================== - * | 00-1023 | USB packet type '384' - * +=========================================================================== - * | 00- 03 | sequence number of first sample in that USB packet - * +--------------------------------------------------------------------------- - * | 04- 15 | garbage - * +--------------------------------------------------------------------------- - * | 16- 175 | samples - * +--------------------------------------------------------------------------- - * | 176- 179 | control bits for previous samples - * +--------------------------------------------------------------------------- - * | 180- 339 | samples - * +--------------------------------------------------------------------------- - * | 340- 343 | control bits for previous samples - * +--------------------------------------------------------------------------- - * | 344- 503 | samples - * +--------------------------------------------------------------------------- - * | 504- 507 | control bits for previous samples - * +--------------------------------------------------------------------------- - * | 508- 667 | samples - * +--------------------------------------------------------------------------- - * | 668- 671 | control bits for previous samples - * +--------------------------------------------------------------------------- - * | 672- 831 | samples - * +--------------------------------------------------------------------------- - * | 832- 835 | control bits for previous samples - * +--------------------------------------------------------------------------- - * | 836- 995 | samples - * +--------------------------------------------------------------------------- - * | 996- 999 | control bits for previous samples - * +--------------------------------------------------------------------------- - * | 1000-1023 | garbage - * +--------------------------------------------------------------------------- - * - * Bytes 4 - 7 could have some meaning? - * - * Control bits for previous samples is 32-bit field, containing 16 x 2-bit - * numbers. This results one 2-bit number for 8 samples. It is likely used for - * for bit shifting sample by given bits, increasing actual sampling resolution. - * Number 2 (0b10) was never seen. - * - * 6 * 16 * 2 * 4 = 768 samples. 768 * 4 = 3072 bytes - */ -static int msi3101_convert_stream_384(struct msi3101_state *s, u8 *dst, - u8 *src, unsigned int src_len) -{ - int i, i_max, dst_len = 0; - u32 sample_num[3]; - - /* There could be 1-3 1024 bytes URB frames */ - i_max = src_len / 1024; - for (i = 0; i < i_max; i++) { - sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0; - if (i == 0 && s->next_sample != sample_num[0]) { - dev_dbg_ratelimited(&s->udev->dev, - "%d samples lost, %d %08x:%08x\n", - sample_num[0] - s->next_sample, - src_len, s->next_sample, sample_num[0]); - } - - /* - * Dump all unknown 'garbage' data - maybe we will discover - * someday if there is something rational... - */ - dev_dbg_ratelimited(&s->udev->dev, - "%*ph %*ph\n", 12, &src[4], 24, &src[1000]); - - /* 384 x I+Q samples */ - src += 16; - memcpy(dst, src, 984); - src += 984 + 24; - dst += 984; - dst_len += 984; - } - - /* calculate samping rate and output it in 10 seconds intervals */ - if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) { - unsigned long jiffies_now = jiffies; - unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next); - unsigned int samples = sample_num[i_max - 1] - s->sample; - s->jiffies_next = jiffies_now; - s->sample = sample_num[i_max - 1]; - dev_dbg(&s->udev->dev, - "slen=%d samples=%u msecs=%lu sampling rate=%lu bits=%d.%d.%d.%d\n", - src_len, samples, msecs, - samples * 1000UL / msecs, - s->sample_ctrl_bit[0], s->sample_ctrl_bit[1], - s->sample_ctrl_bit[2], s->sample_ctrl_bit[3]); - } - - /* next sample (sample = sample + i * 384) */ - s->next_sample = sample_num[i_max - 1] + 384; - - return dst_len; -} - -/* - * +=========================================================================== - * | 00-1023 | USB packet type '336' - * +=========================================================================== - * | 00- 03 | sequence number of first sample in that USB packet - * +--------------------------------------------------------------------------- - * | 04- 15 | garbage - * +--------------------------------------------------------------------------- - * | 16-1023 | samples - * +--------------------------------------------------------------------------- - * signed 12-bit sample - */ -static int msi3101_convert_stream_336(struct msi3101_state *s, u8 *dst, - u8 *src, unsigned int src_len) -{ - int i, i_max, dst_len = 0; - u32 sample_num[3]; - - /* There could be 1-3 1024 bytes URB frames */ - i_max = src_len / 1024; - - for (i = 0; i < i_max; i++) { - sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0; - if (i == 0 && s->next_sample != sample_num[0]) { - dev_dbg_ratelimited(&s->udev->dev, - "%d samples lost, %d %08x:%08x\n", - sample_num[0] - s->next_sample, - src_len, s->next_sample, sample_num[0]); - } - - /* - * Dump all unknown 'garbage' data - maybe we will discover - * someday if there is something rational... - */ - dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]); - - /* 336 x I+Q samples */ - src += 16; - memcpy(dst, src, 1008); - src += 1008; - dst += 1008; - dst_len += 1008; - } - - /* calculate samping rate and output it in 10 seconds intervals */ - if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) { - unsigned long jiffies_now = jiffies; - unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next); - unsigned int samples = sample_num[i_max - 1] - s->sample; - s->jiffies_next = jiffies_now; - s->sample = sample_num[i_max - 1]; - dev_dbg(&s->udev->dev, - "slen=%d samples=%u msecs=%lu sampling rate=%lu\n", - src_len, samples, msecs, - samples * 1000UL / msecs); - } - - /* next sample (sample = sample + i * 336) */ - s->next_sample = sample_num[i_max - 1] + 336; - - return dst_len; -} - -/* - * +=========================================================================== - * | 00-1023 | USB packet type '252' - * +=========================================================================== - * | 00- 03 | sequence number of first sample in that USB packet - * +--------------------------------------------------------------------------- - * | 04- 15 | garbage - * +--------------------------------------------------------------------------- - * | 16-1023 | samples - * +--------------------------------------------------------------------------- - * signed 14-bit sample - */ -static int msi3101_convert_stream_252(struct msi3101_state *s, u8 *dst, - u8 *src, unsigned int src_len) -{ - int i, i_max, dst_len = 0; - u32 sample_num[3]; - - /* There could be 1-3 1024 bytes URB frames */ - i_max = src_len / 1024; - - for (i = 0; i < i_max; i++) { - sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0; - if (i == 0 && s->next_sample != sample_num[0]) { - dev_dbg_ratelimited(&s->udev->dev, - "%d samples lost, %d %08x:%08x\n", - sample_num[0] - s->next_sample, - src_len, s->next_sample, sample_num[0]); - } - - /* - * Dump all unknown 'garbage' data - maybe we will discover - * someday if there is something rational... - */ - dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]); - - /* 252 x I+Q samples */ - src += 16; - memcpy(dst, src, 1008); - src += 1008; - dst += 1008; - dst_len += 1008; - } - - /* calculate samping rate and output it in 10 seconds intervals */ - if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) { - unsigned long jiffies_now = jiffies; - unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next); - unsigned int samples = sample_num[i_max - 1] - s->sample; - s->jiffies_next = jiffies_now; - s->sample = sample_num[i_max - 1]; - dev_dbg(&s->udev->dev, - "slen=%d samples=%u msecs=%lu sampling rate=%lu\n", - src_len, samples, msecs, - samples * 1000UL / msecs); - } - - /* next sample (sample = sample + i * 252) */ - s->next_sample = sample_num[i_max - 1] + 252; - - return dst_len; -} - -static int msi3101_convert_stream_252_u16(struct msi3101_state *s, u8 *dst, - u8 *src, unsigned int src_len) -{ - int i, j, i_max, dst_len = 0; - u32 sample_num[3]; - u16 *u16dst = (u16 *) dst; - struct {signed int x:14;} se; - - /* There could be 1-3 1024 bytes URB frames */ - i_max = src_len / 1024; - - for (i = 0; i < i_max; i++) { - sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0; - if (i == 0 && s->next_sample != sample_num[0]) { - dev_dbg_ratelimited(&s->udev->dev, - "%d samples lost, %d %08x:%08x\n", - sample_num[0] - s->next_sample, - src_len, s->next_sample, sample_num[0]); - } - - /* - * Dump all unknown 'garbage' data - maybe we will discover - * someday if there is something rational... - */ - dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]); - - /* 252 x I+Q samples */ - src += 16; - - for (j = 0; j < 1008; j += 4) { - unsigned int usample[2]; - int ssample[2]; - - usample[0] = src[j + 0] >> 0 | src[j + 1] << 8; - usample[1] = src[j + 2] >> 0 | src[j + 3] << 8; - - /* sign extension from 14-bit to signed int */ - ssample[0] = se.x = usample[0]; - ssample[1] = se.x = usample[1]; - - /* from signed to unsigned */ - usample[0] = ssample[0] + 8192; - usample[1] = ssample[1] + 8192; - - /* from 14-bit to 16-bit */ - *u16dst++ = (usample[0] << 2) | (usample[0] >> 12); - *u16dst++ = (usample[1] << 2) | (usample[1] >> 12); - } - - src += 1008; - dst += 1008; - dst_len += 1008; - } - - /* calculate samping rate and output it in 10 seconds intervals */ - if (unlikely(time_is_before_jiffies(s->jiffies_next))) { -#define MSECS 10000UL - unsigned int samples = sample_num[i_max - 1] - s->sample; - s->jiffies_next = jiffies + msecs_to_jiffies(MSECS); - s->sample = sample_num[i_max - 1]; - dev_dbg(&s->udev->dev, - "slen=%d samples=%u msecs=%lu sampling rate=%lu\n", - src_len, samples, MSECS, - samples * 1000UL / MSECS); - } - - /* next sample (sample = sample + i * 252) */ - s->next_sample = sample_num[i_max - 1] + 252; - - return dst_len; -} - -/* - * This gets called for the Isochronous pipe (stream). This is done in interrupt - * time, so it has to be fast, not crash, and not stall. Neat. - */ -static void msi3101_isoc_handler(struct urb *urb) -{ - struct msi3101_state *s = (struct msi3101_state *)urb->context; - int i, flen, fstatus; - unsigned char *iso_buf = NULL; - struct msi3101_frame_buf *fbuf; - - if (unlikely(urb->status == -ENOENT || urb->status == -ECONNRESET || - urb->status == -ESHUTDOWN)) { - dev_dbg(&s->udev->dev, "URB (%p) unlinked %ssynchronuously\n", - urb, urb->status == -ENOENT ? "" : "a"); - return; - } - - if (unlikely(urb->status != 0)) { - dev_dbg(&s->udev->dev, - "msi3101_isoc_handler() called with status %d\n", - urb->status); - /* Give up after a number of contiguous errors */ - if (++s->isoc_errors > MAX_ISOC_ERRORS) - dev_dbg(&s->udev->dev, - "Too many ISOC errors, bailing out\n"); - goto handler_end; - } else { - /* Reset ISOC error counter. We did get here, after all. */ - s->isoc_errors = 0; - } - - /* Compact data */ - for (i = 0; i < urb->number_of_packets; i++) { - void *ptr; - - /* Check frame error */ - fstatus = urb->iso_frame_desc[i].status; - if (unlikely(fstatus)) { - dev_dbg_ratelimited(&s->udev->dev, - "frame=%d/%d has error %d skipping\n", - i, urb->number_of_packets, fstatus); - continue; - } - - /* Check if that frame contains data */ - flen = urb->iso_frame_desc[i].actual_length; - if (unlikely(flen == 0)) - continue; - - iso_buf = urb->transfer_buffer + urb->iso_frame_desc[i].offset; - - /* Get free framebuffer */ - fbuf = msi3101_get_next_fill_buf(s); - if (unlikely(fbuf == NULL)) { - s->vb_full++; - dev_dbg_ratelimited(&s->udev->dev, - "videobuf is full, %d packets dropped\n", - s->vb_full); - continue; - } - - /* fill framebuffer */ - ptr = vb2_plane_vaddr(&fbuf->vb, 0); - flen = s->convert_stream(s, ptr, iso_buf, flen); - vb2_set_plane_payload(&fbuf->vb, 0, flen); - vb2_buffer_done(&fbuf->vb, VB2_BUF_STATE_DONE); - } - -handler_end: - i = usb_submit_urb(urb, GFP_ATOMIC); - if (unlikely(i != 0)) - dev_dbg(&s->udev->dev, - "Error (%d) re-submitting urb in msi3101_isoc_handler\n", - i); -} - -static void msi3101_iso_stop(struct msi3101_state *s) -{ - int i; - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - /* Unlinking ISOC buffers one by one */ - for (i = 0; i < MAX_ISO_BUFS; i++) { - if (s->urbs[i]) { - dev_dbg(&s->udev->dev, "Unlinking URB %p\n", - s->urbs[i]); - usb_kill_urb(s->urbs[i]); - } - } -} - -static void msi3101_iso_free(struct msi3101_state *s) -{ - int i; - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - /* Freeing ISOC buffers one by one */ - for (i = 0; i < MAX_ISO_BUFS; i++) { - if (s->urbs[i]) { - dev_dbg(&s->udev->dev, "Freeing URB\n"); - if (s->urbs[i]->transfer_buffer) { - usb_free_coherent(s->udev, - s->urbs[i]->transfer_buffer_length, - s->urbs[i]->transfer_buffer, - s->urbs[i]->transfer_dma); - } - usb_free_urb(s->urbs[i]); - s->urbs[i] = NULL; - } - } -} - -/* Both v4l2_lock and vb_queue_lock should be locked when calling this */ -static void msi3101_isoc_cleanup(struct msi3101_state *s) -{ - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - msi3101_iso_stop(s); - msi3101_iso_free(s); -} - -/* Both v4l2_lock and vb_queue_lock should be locked when calling this */ -static int msi3101_isoc_init(struct msi3101_state *s) -{ - struct usb_device *udev; - struct urb *urb; - int i, j, ret; - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - s->isoc_errors = 0; - udev = s->udev; - - ret = usb_set_interface(s->udev, 0, 1); - if (ret) - return ret; - - /* Allocate and init Isochronuous urbs */ - for (i = 0; i < MAX_ISO_BUFS; i++) { - urb = usb_alloc_urb(ISO_FRAMES_PER_DESC, GFP_KERNEL); - if (urb == NULL) { - dev_err(&s->udev->dev, - "Failed to allocate urb %d\n", i); - msi3101_isoc_cleanup(s); - return -ENOMEM; - } - s->urbs[i] = urb; - dev_dbg(&s->udev->dev, "Allocated URB at 0x%p\n", urb); - - urb->interval = 1; - urb->dev = udev; - urb->pipe = usb_rcvisocpipe(udev, 0x81); - urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; - urb->transfer_buffer = usb_alloc_coherent(udev, ISO_BUFFER_SIZE, - GFP_KERNEL, &urb->transfer_dma); - if (urb->transfer_buffer == NULL) { - dev_err(&s->udev->dev, - "Failed to allocate urb buffer %d\n", - i); - msi3101_isoc_cleanup(s); - return -ENOMEM; - } - urb->transfer_buffer_length = ISO_BUFFER_SIZE; - urb->complete = msi3101_isoc_handler; - urb->context = s; - urb->start_frame = 0; - urb->number_of_packets = ISO_FRAMES_PER_DESC; - for (j = 0; j < ISO_FRAMES_PER_DESC; j++) { - urb->iso_frame_desc[j].offset = j * ISO_MAX_FRAME_SIZE; - urb->iso_frame_desc[j].length = ISO_MAX_FRAME_SIZE; - } - } - - /* link */ - for (i = 0; i < MAX_ISO_BUFS; i++) { - ret = usb_submit_urb(s->urbs[i], GFP_KERNEL); - if (ret) { - dev_err(&s->udev->dev, - "isoc_init() submit_urb %d failed with error %d\n", - i, ret); - msi3101_isoc_cleanup(s); - return ret; - } - dev_dbg(&s->udev->dev, "URB 0x%p submitted.\n", s->urbs[i]); - } - - /* All is done... */ - return 0; -} - -/* Must be called with vb_queue_lock hold */ -static void msi3101_cleanup_queued_bufs(struct msi3101_state *s) -{ - unsigned long flags = 0; - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - spin_lock_irqsave(&s->queued_bufs_lock, flags); - while (!list_empty(&s->queued_bufs)) { - struct msi3101_frame_buf *buf; - - buf = list_entry(s->queued_bufs.next, struct msi3101_frame_buf, - list); - list_del(&buf->list); - vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); - } - spin_unlock_irqrestore(&s->queued_bufs_lock, flags); -} - -/* The user yanked out the cable... */ -static void msi3101_disconnect(struct usb_interface *intf) -{ - struct v4l2_device *v = usb_get_intfdata(intf); - struct msi3101_state *s = - container_of(v, struct msi3101_state, v4l2_dev); - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - mutex_lock(&s->vb_queue_lock); - mutex_lock(&s->v4l2_lock); - /* No need to keep the urbs around after disconnection */ - s->udev = NULL; - v4l2_device_disconnect(&s->v4l2_dev); - video_unregister_device(&s->vdev); - spi_unregister_master(s->master); - mutex_unlock(&s->v4l2_lock); - mutex_unlock(&s->vb_queue_lock); - - v4l2_device_put(&s->v4l2_dev); -} - -static int msi3101_querycap(struct file *file, void *fh, - struct v4l2_capability *cap) -{ - struct msi3101_state *s = video_drvdata(file); - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver)); - strlcpy(cap->card, s->vdev.name, sizeof(cap->card)); - usb_make_path(s->udev, cap->bus_info, sizeof(cap->bus_info)); - cap->device_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_STREAMING | - V4L2_CAP_READWRITE | V4L2_CAP_TUNER; - cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; - return 0; -} - -/* Videobuf2 operations */ -static int msi3101_queue_setup(struct vb2_queue *vq, - const struct v4l2_format *fmt, unsigned int *nbuffers, - unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) -{ - struct msi3101_state *s = vb2_get_drv_priv(vq); - dev_dbg(&s->udev->dev, "%s: *nbuffers=%d\n", __func__, *nbuffers); - - /* Absolute min and max number of buffers available for mmap() */ - *nbuffers = clamp_t(unsigned int, *nbuffers, 8, 32); - *nplanes = 1; - /* - * 3, wMaxPacketSize 3x 1024 bytes - * 504, max IQ sample pairs per 1024 frame - * 2, two samples, I and Q - * 2, 16-bit is enough for single sample - */ - sizes[0] = PAGE_ALIGN(3 * 504 * 2 * 2); - dev_dbg(&s->udev->dev, "%s: nbuffers=%d sizes[0]=%d\n", - __func__, *nbuffers, sizes[0]); - return 0; -} - -static void msi3101_buf_queue(struct vb2_buffer *vb) -{ - struct msi3101_state *s = vb2_get_drv_priv(vb->vb2_queue); - struct msi3101_frame_buf *buf = - container_of(vb, struct msi3101_frame_buf, vb); - unsigned long flags = 0; - - /* Check the device has not disconnected between prep and queuing */ - if (unlikely(!s->udev)) { - vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); - return; - } - - spin_lock_irqsave(&s->queued_bufs_lock, flags); - list_add_tail(&buf->list, &s->queued_bufs); - spin_unlock_irqrestore(&s->queued_bufs_lock, flags); -} - -#define CMD_WREG 0x41 -#define CMD_START_STREAMING 0x43 -#define CMD_STOP_STREAMING 0x45 -#define CMD_READ_UNKNOW 0x48 - -#define msi3101_dbg_usb_control_msg(udev, r, t, v, _i, b, l) { \ - char *direction; \ - if (t == (USB_TYPE_VENDOR | USB_DIR_OUT)) \ - direction = ">>>"; \ - else \ - direction = "<<<"; \ - dev_dbg(&udev->dev, "%s: %02x %02x %02x %02x %02x %02x %02x %02x " \ - "%s %*ph\n", __func__, t, r, v & 0xff, v >> 8, \ - _i & 0xff, _i >> 8, l & 0xff, l >> 8, direction, l, b); \ -} - -static int msi3101_ctrl_msg(struct msi3101_state *s, u8 cmd, u32 data) -{ - int ret; - u8 request = cmd; - u8 requesttype = USB_DIR_OUT | USB_TYPE_VENDOR; - u16 value = (data >> 0) & 0xffff; - u16 index = (data >> 16) & 0xffff; - - msi3101_dbg_usb_control_msg(s->udev, - request, requesttype, value, index, NULL, 0); - - ret = usb_control_msg(s->udev, usb_sndctrlpipe(s->udev, 0), - request, requesttype, value, index, NULL, 0, 2000); - - if (ret) - dev_err(&s->udev->dev, "%s: failed %d, cmd %02x, data %04x\n", - __func__, ret, cmd, data); - - return ret; -}; - -#define F_REF 24000000 -#define DIV_R_IN 2 -static int msi3101_set_usb_adc(struct msi3101_state *s) -{ - int ret, div_n, div_m, div_r_out, f_sr, f_vco, fract; - u32 reg3, reg4, reg7; - struct v4l2_ctrl *bandwidth_auto; - struct v4l2_ctrl *bandwidth; - - f_sr = s->f_adc; - - /* set tuner, subdev, filters according to sampling rate */ - bandwidth_auto = v4l2_ctrl_find(&s->hdl, V4L2_CID_RF_TUNER_BANDWIDTH_AUTO); - if (v4l2_ctrl_g_ctrl(bandwidth_auto)) { - bandwidth = v4l2_ctrl_find(&s->hdl, V4L2_CID_RF_TUNER_BANDWIDTH); - v4l2_ctrl_s_ctrl(bandwidth, s->f_adc); - } - - /* select stream format */ - switch (s->pixelformat) { - case V4L2_SDR_FMT_CU8: - s->convert_stream = msi3101_convert_stream_504_u8; - reg7 = 0x000c9407; - break; - case V4L2_SDR_FMT_CU16LE: - s->convert_stream = msi3101_convert_stream_252_u16; - reg7 = 0x00009407; - break; - case V4L2_PIX_FMT_SDR_S8: - s->convert_stream = msi3101_convert_stream_504; - reg7 = 0x000c9407; - break; - case V4L2_PIX_FMT_SDR_MSI2500_384: - s->convert_stream = msi3101_convert_stream_384; - reg7 = 0x0000a507; - break; - case V4L2_PIX_FMT_SDR_S12: - s->convert_stream = msi3101_convert_stream_336; - reg7 = 0x00008507; - break; - case V4L2_PIX_FMT_SDR_S14: - s->convert_stream = msi3101_convert_stream_252; - reg7 = 0x00009407; - break; - default: - s->convert_stream = msi3101_convert_stream_504_u8; - reg7 = 0x000c9407; - break; - } - - /* - * Synthesizer config is just a educated guess... - * - * [7:0] 0x03, register address - * [8] 1, power control - * [9] ?, power control - * [12:10] output divider - * [13] 0 ? - * [14] 0 ? - * [15] fractional MSB, bit 20 - * [16:19] N - * [23:20] ? - * [24:31] 0x01 - * - * output divider - * val div - * 0 - (invalid) - * 1 4 - * 2 6 - * 3 8 - * 4 10 - * 5 12 - * 6 14 - * 7 16 - * - * VCO 202000000 - 720000000++ - */ - reg3 = 0x01000303; - reg4 = 0x00000004; - - /* XXX: Filters? AGC? */ - if (f_sr < 6000000) - reg3 |= 0x1 << 20; - else if (f_sr < 7000000) - reg3 |= 0x5 << 20; - else if (f_sr < 8500000) - reg3 |= 0x9 << 20; - else - reg3 |= 0xd << 20; - - for (div_r_out = 4; div_r_out < 16; div_r_out += 2) { - f_vco = f_sr * div_r_out * 12; - dev_dbg(&s->udev->dev, "%s: div_r_out=%d f_vco=%d\n", - __func__, div_r_out, f_vco); - if (f_vco >= 202000000) - break; - } - - div_n = f_vco / (F_REF * DIV_R_IN); - div_m = f_vco % (F_REF * DIV_R_IN); - fract = 0x200000ul * div_m / (F_REF * DIV_R_IN); - - reg3 |= div_n << 16; - reg3 |= (div_r_out / 2 - 1) << 10; - reg3 |= ((fract >> 20) & 0x000001) << 15; /* [20] */ - reg4 |= ((fract >> 0) & 0x0fffff) << 8; /* [19:0] */ - - dev_dbg(&s->udev->dev, - "%s: f_sr=%d f_vco=%d div_n=%d div_m=%d div_r_out=%d reg3=%08x reg4=%08x\n", - __func__, f_sr, f_vco, div_n, div_m, div_r_out, reg3, reg4); - - ret = msi3101_ctrl_msg(s, CMD_WREG, 0x00608008); - if (ret) - goto err; - - ret = msi3101_ctrl_msg(s, CMD_WREG, 0x00000c05); - if (ret) - goto err; - - ret = msi3101_ctrl_msg(s, CMD_WREG, 0x00020000); - if (ret) - goto err; - - ret = msi3101_ctrl_msg(s, CMD_WREG, 0x00480102); - if (ret) - goto err; - - ret = msi3101_ctrl_msg(s, CMD_WREG, 0x00f38008); - if (ret) - goto err; - - ret = msi3101_ctrl_msg(s, CMD_WREG, reg7); - if (ret) - goto err; - - ret = msi3101_ctrl_msg(s, CMD_WREG, reg4); - if (ret) - goto err; - - ret = msi3101_ctrl_msg(s, CMD_WREG, reg3); - if (ret) - goto err; -err: - return ret; -}; - -static int msi3101_start_streaming(struct vb2_queue *vq, unsigned int count) -{ - struct msi3101_state *s = vb2_get_drv_priv(vq); - int ret; - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - if (!s->udev) - return -ENODEV; - - if (mutex_lock_interruptible(&s->v4l2_lock)) - return -ERESTARTSYS; - - /* wake-up tuner */ - v4l2_subdev_call(s->v4l2_subdev, core, s_power, 1); - - ret = msi3101_set_usb_adc(s); - - ret = msi3101_isoc_init(s); - if (ret) - msi3101_cleanup_queued_bufs(s); - - ret = msi3101_ctrl_msg(s, CMD_START_STREAMING, 0); - - mutex_unlock(&s->v4l2_lock); - - return ret; -} - -static void msi3101_stop_streaming(struct vb2_queue *vq) -{ - struct msi3101_state *s = vb2_get_drv_priv(vq); - - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - mutex_lock(&s->v4l2_lock); - - if (s->udev) - msi3101_isoc_cleanup(s); - - msi3101_cleanup_queued_bufs(s); - - /* according to tests, at least 700us delay is required */ - msleep(20); - if (!msi3101_ctrl_msg(s, CMD_STOP_STREAMING, 0)) { - /* sleep USB IF / ADC */ - msi3101_ctrl_msg(s, CMD_WREG, 0x01000003); - } - - /* sleep tuner */ - v4l2_subdev_call(s->v4l2_subdev, core, s_power, 0); - - mutex_unlock(&s->v4l2_lock); -} - -static struct vb2_ops msi3101_vb2_ops = { - .queue_setup = msi3101_queue_setup, - .buf_queue = msi3101_buf_queue, - .start_streaming = msi3101_start_streaming, - .stop_streaming = msi3101_stop_streaming, - .wait_prepare = vb2_ops_wait_prepare, - .wait_finish = vb2_ops_wait_finish, -}; - -static int msi3101_enum_fmt_sdr_cap(struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - struct msi3101_state *s = video_drvdata(file); - dev_dbg(&s->udev->dev, "%s: index=%d\n", __func__, f->index); - - if (f->index >= NUM_FORMATS) - return -EINVAL; - - strlcpy(f->description, formats[f->index].name, sizeof(f->description)); - f->pixelformat = formats[f->index].pixelformat; - - return 0; -} - -static int msi3101_g_fmt_sdr_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct msi3101_state *s = video_drvdata(file); - dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__, - (char *)&s->pixelformat); - - memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); - f->fmt.sdr.pixelformat = s->pixelformat; - - return 0; -} - -static int msi3101_s_fmt_sdr_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct msi3101_state *s = video_drvdata(file); - struct vb2_queue *q = &s->vb_queue; - int i; - dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__, - (char *)&f->fmt.sdr.pixelformat); - - if (vb2_is_busy(q)) - return -EBUSY; - - memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); - for (i = 0; i < NUM_FORMATS; i++) { - if (formats[i].pixelformat == f->fmt.sdr.pixelformat) { - s->pixelformat = f->fmt.sdr.pixelformat; - return 0; - } - } - - f->fmt.sdr.pixelformat = formats[0].pixelformat; - s->pixelformat = formats[0].pixelformat; - - return 0; -} - -static int msi3101_try_fmt_sdr_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct msi3101_state *s = video_drvdata(file); - int i; - dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__, - (char *)&f->fmt.sdr.pixelformat); - - memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); - for (i = 0; i < NUM_FORMATS; i++) { - if (formats[i].pixelformat == f->fmt.sdr.pixelformat) - return 0; - } - - f->fmt.sdr.pixelformat = formats[0].pixelformat; - - return 0; -} - -static int msi3101_s_tuner(struct file *file, void *priv, - const struct v4l2_tuner *v) -{ - struct msi3101_state *s = video_drvdata(file); - int ret; - dev_dbg(&s->udev->dev, "%s: index=%d\n", __func__, v->index); - - if (v->index == 0) - ret = 0; - else if (v->index == 1) - ret = v4l2_subdev_call(s->v4l2_subdev, tuner, s_tuner, v); - else - ret = -EINVAL; - - return ret; -} - -static int msi3101_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) -{ - struct msi3101_state *s = video_drvdata(file); - int ret; - dev_dbg(&s->udev->dev, "%s: index=%d\n", __func__, v->index); - - if (v->index == 0) { - strlcpy(v->name, "Mirics MSi2500", sizeof(v->name)); - v->type = V4L2_TUNER_ADC; - v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS; - v->rangelow = 1200000; - v->rangehigh = 15000000; - ret = 0; - } else if (v->index == 1) { - ret = v4l2_subdev_call(s->v4l2_subdev, tuner, g_tuner, v); - } else { - ret = -EINVAL; - } - - return ret; -} - -static int msi3101_g_frequency(struct file *file, void *priv, - struct v4l2_frequency *f) -{ - struct msi3101_state *s = video_drvdata(file); - int ret = 0; - dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d\n", - __func__, f->tuner, f->type); - - if (f->tuner == 0) { - f->frequency = s->f_adc; - ret = 0; - } else if (f->tuner == 1) { - f->type = V4L2_TUNER_RF; - ret = v4l2_subdev_call(s->v4l2_subdev, tuner, g_frequency, f); - } else { - ret = -EINVAL; - } - - return ret; -} - -static int msi3101_s_frequency(struct file *file, void *priv, - const struct v4l2_frequency *f) -{ - struct msi3101_state *s = video_drvdata(file); - int ret; - dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d frequency=%u\n", - __func__, f->tuner, f->type, f->frequency); - - if (f->tuner == 0) { - s->f_adc = clamp_t(unsigned int, f->frequency, - bands[0].rangelow, - bands[0].rangehigh); - dev_dbg(&s->udev->dev, "%s: ADC frequency=%u Hz\n", - __func__, s->f_adc); - ret = msi3101_set_usb_adc(s); - } else if (f->tuner == 1) { - ret = v4l2_subdev_call(s->v4l2_subdev, tuner, s_frequency, f); - } else { - ret = -EINVAL; - } - - return ret; -} - -static int msi3101_enum_freq_bands(struct file *file, void *priv, - struct v4l2_frequency_band *band) -{ - struct msi3101_state *s = video_drvdata(file); - int ret; - dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d index=%d\n", - __func__, band->tuner, band->type, band->index); - - if (band->tuner == 0) { - if (band->index >= ARRAY_SIZE(bands)) { - ret = -EINVAL; - } else { - *band = bands[band->index]; - ret = 0; - } - } else if (band->tuner == 1) { - ret = v4l2_subdev_call(s->v4l2_subdev, tuner, - enum_freq_bands, band); - } else { - ret = -EINVAL; - } - - return ret; -} - -static const struct v4l2_ioctl_ops msi3101_ioctl_ops = { - .vidioc_querycap = msi3101_querycap, - - .vidioc_enum_fmt_sdr_cap = msi3101_enum_fmt_sdr_cap, - .vidioc_g_fmt_sdr_cap = msi3101_g_fmt_sdr_cap, - .vidioc_s_fmt_sdr_cap = msi3101_s_fmt_sdr_cap, - .vidioc_try_fmt_sdr_cap = msi3101_try_fmt_sdr_cap, - - .vidioc_reqbufs = vb2_ioctl_reqbufs, - .vidioc_create_bufs = vb2_ioctl_create_bufs, - .vidioc_prepare_buf = vb2_ioctl_prepare_buf, - .vidioc_querybuf = vb2_ioctl_querybuf, - .vidioc_qbuf = vb2_ioctl_qbuf, - .vidioc_dqbuf = vb2_ioctl_dqbuf, - - .vidioc_streamon = vb2_ioctl_streamon, - .vidioc_streamoff = vb2_ioctl_streamoff, - - .vidioc_g_tuner = msi3101_g_tuner, - .vidioc_s_tuner = msi3101_s_tuner, - - .vidioc_g_frequency = msi3101_g_frequency, - .vidioc_s_frequency = msi3101_s_frequency, - .vidioc_enum_freq_bands = msi3101_enum_freq_bands, - - .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, - .vidioc_unsubscribe_event = v4l2_event_unsubscribe, - .vidioc_log_status = v4l2_ctrl_log_status, -}; - -static const struct v4l2_file_operations msi3101_fops = { - .owner = THIS_MODULE, - .open = v4l2_fh_open, - .release = vb2_fop_release, - .read = vb2_fop_read, - .poll = vb2_fop_poll, - .mmap = vb2_fop_mmap, - .unlocked_ioctl = video_ioctl2, -}; - -static struct video_device msi3101_template = { - .name = "Mirics MSi3101 SDR Dongle", - .release = video_device_release_empty, - .fops = &msi3101_fops, - .ioctl_ops = &msi3101_ioctl_ops, -}; - -static void msi3101_video_release(struct v4l2_device *v) -{ - struct msi3101_state *s = - container_of(v, struct msi3101_state, v4l2_dev); - - v4l2_ctrl_handler_free(&s->hdl); - v4l2_device_unregister(&s->v4l2_dev); - kfree(s); -} - -static int msi3101_transfer_one_message(struct spi_master *master, - struct spi_message *m) -{ - struct msi3101_state *s = spi_master_get_devdata(master); - struct spi_transfer *t; - int ret = 0; - u32 data; - - list_for_each_entry(t, &m->transfers, transfer_list) { - dev_dbg(&s->udev->dev, "%s: msg=%*ph\n", - __func__, t->len, t->tx_buf); - data = 0x09; /* reg 9 is SPI adapter */ - data |= ((u8 *)t->tx_buf)[0] << 8; - data |= ((u8 *)t->tx_buf)[1] << 16; - data |= ((u8 *)t->tx_buf)[2] << 24; - ret = msi3101_ctrl_msg(s, CMD_WREG, data); - } - - m->status = ret; - spi_finalize_current_message(master); - return ret; -} - -static int msi3101_probe(struct usb_interface *intf, - const struct usb_device_id *id) -{ - struct usb_device *udev = interface_to_usbdev(intf); - struct msi3101_state *s = NULL; - struct v4l2_subdev *sd; - struct spi_master *master; - int ret; - static struct spi_board_info board_info = { - .modalias = "msi001", - .bus_num = 0, - .chip_select = 0, - .max_speed_hz = 12000000, - }; - - s = kzalloc(sizeof(struct msi3101_state), GFP_KERNEL); - if (s == NULL) { - pr_err("Could not allocate memory for msi3101_state\n"); - return -ENOMEM; - } - - mutex_init(&s->v4l2_lock); - mutex_init(&s->vb_queue_lock); - spin_lock_init(&s->queued_bufs_lock); - INIT_LIST_HEAD(&s->queued_bufs); - s->udev = udev; - s->f_adc = bands[0].rangelow; - s->pixelformat = V4L2_SDR_FMT_CU8; - - /* Init videobuf2 queue structure */ - s->vb_queue.type = V4L2_BUF_TYPE_SDR_CAPTURE; - s->vb_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; - s->vb_queue.drv_priv = s; - s->vb_queue.buf_struct_size = sizeof(struct msi3101_frame_buf); - s->vb_queue.ops = &msi3101_vb2_ops; - s->vb_queue.mem_ops = &vb2_vmalloc_memops; - s->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - ret = vb2_queue_init(&s->vb_queue); - if (ret) { - dev_err(&s->udev->dev, "Could not initialize vb2 queue\n"); - goto err_free_mem; - } - - /* Init video_device structure */ - s->vdev = msi3101_template; - s->vdev.queue = &s->vb_queue; - s->vdev.queue->lock = &s->vb_queue_lock; - video_set_drvdata(&s->vdev, s); - - /* Register the v4l2_device structure */ - s->v4l2_dev.release = msi3101_video_release; - ret = v4l2_device_register(&intf->dev, &s->v4l2_dev); - if (ret) { - dev_err(&s->udev->dev, - "Failed to register v4l2-device (%d)\n", ret); - goto err_free_mem; - } - - /* SPI master adapter */ - master = spi_alloc_master(&s->udev->dev, 0); - if (master == NULL) { - ret = -ENOMEM; - goto err_unregister_v4l2_dev; - } - - s->master = master; - master->bus_num = 0; - master->num_chipselect = 1; - master->transfer_one_message = msi3101_transfer_one_message; - spi_master_set_devdata(master, s); - ret = spi_register_master(master); - if (ret) { - spi_master_put(master); - goto err_unregister_v4l2_dev; - } - - /* load v4l2 subdevice */ - sd = v4l2_spi_new_subdev(&s->v4l2_dev, master, &board_info); - s->v4l2_subdev = sd; - if (sd == NULL) { - dev_err(&s->udev->dev, "cannot get v4l2 subdevice\n"); - ret = -ENODEV; - goto err_unregister_master; - } - - /* Register controls */ - v4l2_ctrl_handler_init(&s->hdl, 0); - if (s->hdl.error) { - ret = s->hdl.error; - dev_err(&s->udev->dev, "Could not initialize controls\n"); - goto err_free_controls; - } - - /* currently all controls are from subdev */ - v4l2_ctrl_add_handler(&s->hdl, sd->ctrl_handler, NULL); - - s->v4l2_dev.ctrl_handler = &s->hdl; - s->vdev.v4l2_dev = &s->v4l2_dev; - s->vdev.lock = &s->v4l2_lock; - - ret = video_register_device(&s->vdev, VFL_TYPE_SDR, -1); - if (ret) { - dev_err(&s->udev->dev, - "Failed to register as video device (%d)\n", - ret); - goto err_unregister_v4l2_dev; - } - dev_info(&s->udev->dev, "Registered as %s\n", - video_device_node_name(&s->vdev)); - - return 0; - -err_free_controls: - v4l2_ctrl_handler_free(&s->hdl); -err_unregister_master: - spi_unregister_master(s->master); -err_unregister_v4l2_dev: - v4l2_device_unregister(&s->v4l2_dev); -err_free_mem: - kfree(s); - return ret; -} - -/* USB device ID list */ -static struct usb_device_id msi3101_id_table[] = { - { USB_DEVICE(0x1df7, 0x2500) }, /* Mirics MSi3101 SDR Dongle */ - { USB_DEVICE(0x2040, 0xd300) }, /* Hauppauge WinTV 133559 LF */ - { } -}; -MODULE_DEVICE_TABLE(usb, msi3101_id_table); - -/* USB subsystem interface */ -static struct usb_driver msi3101_driver = { - .name = KBUILD_MODNAME, - .probe = msi3101_probe, - .disconnect = msi3101_disconnect, - .id_table = msi3101_id_table, -}; - -module_usb_driver(msi3101_driver); - -MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); -MODULE_DESCRIPTION("Mirics MSi3101 SDR Dongle"); -MODULE_LICENSE("GPL"); |