diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-tvaudio.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-tvaudio.c | 1032 |
1 files changed, 1032 insertions, 0 deletions
diff --git a/drivers/media/video/cx88/cx88-tvaudio.c b/drivers/media/video/cx88/cx88-tvaudio.c new file mode 100644 index 0000000..f2a9475 --- /dev/null +++ b/drivers/media/video/cx88/cx88-tvaudio.c @@ -0,0 +1,1032 @@ +/* + $Id: cx88-tvaudio.c,v 1.34 2005/03/07 16:10:51 kraxel Exp $ + + cx88x-audio.c - Conexant CX23880/23881 audio downstream driver driver + + (c) 2001 Michael Eskin, Tom Zakrajsek [Windows version] + (c) 2002 Yurij Sysoev <yurij@naturesoft.net> + (c) 2003 Gerd Knorr <kraxel@bytesex.org> + + ----------------------------------------------------------------------- + + Lot of voodoo here. Even the data sheet doesn't help to + understand what is going on here, the documentation for the audio + part of the cx2388x chip is *very* bad. + + Some of this comes from party done linux driver sources I got from + [undocumented]. + + Some comes from the dscaler sources, one of the dscaler driver guy works + for Conexant ... + + ----------------------------------------------------------------------- + + 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 <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/mm.h> +#include <linux/poll.h> +#include <linux/pci.h> +#include <linux/signal.h> +#include <linux/ioport.h> +#include <linux/sched.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/vmalloc.h> +#include <linux/init.h> +#include <linux/smp_lock.h> +#include <linux/delay.h> +#include <linux/kthread.h> + +#include "cx88.h" + +static unsigned int audio_debug = 0; +module_param(audio_debug,int,0644); +MODULE_PARM_DESC(audio_debug,"enable debug messages [audio]"); + +#define dprintk(fmt, arg...) if (audio_debug) \ + printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg) + +/* ----------------------------------------------------------- */ + +static char *aud_ctl_names[64] = +{ + [ EN_BTSC_FORCE_MONO ] = "BTSC_FORCE_MONO", + [ EN_BTSC_FORCE_STEREO ] = "BTSC_FORCE_STEREO", + [ EN_BTSC_FORCE_SAP ] = "BTSC_FORCE_SAP", + [ EN_BTSC_AUTO_STEREO ] = "BTSC_AUTO_STEREO", + [ EN_BTSC_AUTO_SAP ] = "BTSC_AUTO_SAP", + [ EN_A2_FORCE_MONO1 ] = "A2_FORCE_MONO1", + [ EN_A2_FORCE_MONO2 ] = "A2_FORCE_MONO2", + [ EN_A2_FORCE_STEREO ] = "A2_FORCE_STEREO", + [ EN_A2_AUTO_MONO2 ] = "A2_AUTO_MONO2", + [ EN_A2_AUTO_STEREO ] = "A2_AUTO_STEREO", + [ EN_EIAJ_FORCE_MONO1 ] = "EIAJ_FORCE_MONO1", + [ EN_EIAJ_FORCE_MONO2 ] = "EIAJ_FORCE_MONO2", + [ EN_EIAJ_FORCE_STEREO ] = "EIAJ_FORCE_STEREO", + [ EN_EIAJ_AUTO_MONO2 ] = "EIAJ_AUTO_MONO2", + [ EN_EIAJ_AUTO_STEREO ] = "EIAJ_AUTO_STEREO", + [ EN_NICAM_FORCE_MONO1 ] = "NICAM_FORCE_MONO1", + [ EN_NICAM_FORCE_MONO2 ] = "NICAM_FORCE_MONO2", + [ EN_NICAM_FORCE_STEREO ] = "NICAM_FORCE_STEREO", + [ EN_NICAM_AUTO_MONO2 ] = "NICAM_AUTO_MONO2", + [ EN_NICAM_AUTO_STEREO ] = "NICAM_AUTO_STEREO", + [ EN_FMRADIO_FORCE_MONO ] = "FMRADIO_FORCE_MONO", + [ EN_FMRADIO_FORCE_STEREO ] = "FMRADIO_FORCE_STEREO", + [ EN_FMRADIO_AUTO_STEREO ] = "FMRADIO_AUTO_STEREO", +}; + +struct rlist { + u32 reg; + u32 val; +}; + +static void set_audio_registers(struct cx88_core *core, + const struct rlist *l) +{ + int i; + + for (i = 0; l[i].reg; i++) { + switch (l[i].reg) { + case AUD_PDF_DDS_CNST_BYTE2: + case AUD_PDF_DDS_CNST_BYTE1: + case AUD_PDF_DDS_CNST_BYTE0: + case AUD_QAM_MODE: + case AUD_PHACC_FREQ_8MSB: + case AUD_PHACC_FREQ_8LSB: + cx_writeb(l[i].reg, l[i].val); + break; + default: + cx_write(l[i].reg, l[i].val); + break; + } + } +} + +static void set_audio_start(struct cx88_core *core, + u32 mode, u32 ctl) +{ + // mute + cx_write(AUD_VOL_CTL, (1 << 6)); + + // increase level of input by 12dB + cx_write(AUD_AFE_12DB_EN, 0x0001); + + // start programming + cx_write(AUD_CTL, 0x0000); + cx_write(AUD_INIT, mode); + cx_write(AUD_INIT_LD, 0x0001); + cx_write(AUD_SOFT_RESET, 0x0001); + + cx_write(AUD_CTL, ctl); +} + +static void set_audio_finish(struct cx88_core *core) +{ + u32 volume; + + if (cx88_boards[core->board].blackbird) { + // 'pass-thru mode': this enables the i2s output to the mpeg encoder + cx_set(AUD_CTL, 0x2000); + cx_write(AUD_I2SOUTPUTCNTL, 1); + //cx_write(AUD_APB_IN_RATE_ADJ, 0); + } + + // finish programming + cx_write(AUD_SOFT_RESET, 0x0000); + + // start audio processing + cx_set(AUD_CTL, EN_DAC_ENABLE); + + // unmute + volume = cx_sread(SHADOW_AUD_VOL_CTL); + cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, volume); +} + +/* ----------------------------------------------------------- */ + +static void set_audio_standard_BTSC(struct cx88_core *core, unsigned int sap) +{ + static const struct rlist btsc[] = { + /* from dscaler */ + { AUD_OUT1_SEL, 0x00000013 }, + { AUD_OUT1_SHIFT, 0x00000000 }, + { AUD_POLY0_DDS_CONSTANT, 0x0012010c }, + { AUD_DMD_RA_DDS, 0x00c3e7aa }, + { AUD_DBX_IN_GAIN, 0x00004734 }, + { AUD_DBX_WBE_GAIN, 0x00004640 }, + { AUD_DBX_SE_GAIN, 0x00008d31 }, + { AUD_DCOC_0_SRC, 0x0000001a }, + { AUD_IIR1_4_SEL, 0x00000021 }, + { AUD_DCOC_PASS_IN, 0x00000003 }, + { AUD_DCOC_0_SHIFT_IN0, 0x0000000a }, + { AUD_DCOC_0_SHIFT_IN1, 0x00000008 }, + { AUD_DCOC_1_SHIFT_IN0, 0x0000000a }, + { AUD_DCOC_1_SHIFT_IN1, 0x00000008 }, + { AUD_DN0_FREQ, 0x0000283b }, + { AUD_DN2_SRC_SEL, 0x00000008 }, + { AUD_DN2_FREQ, 0x00003000 }, + { AUD_DN2_AFC, 0x00000002 }, + { AUD_DN2_SHFT, 0x00000000 }, + { AUD_IIR2_2_SEL, 0x00000020 }, + { AUD_IIR2_2_SHIFT, 0x00000000 }, + { AUD_IIR2_3_SEL, 0x0000001f }, + { AUD_IIR2_3_SHIFT, 0x00000000 }, + { AUD_CRDC1_SRC_SEL, 0x000003ce }, + { AUD_CRDC1_SHIFT, 0x00000000 }, + { AUD_CORDIC_SHIFT_1, 0x00000007 }, + { AUD_DCOC_1_SRC, 0x0000001b }, + { AUD_DCOC1_SHIFT, 0x00000000 }, + { AUD_RDSI_SEL, 0x00000008 }, + { AUD_RDSQ_SEL, 0x00000008 }, + { AUD_RDSI_SHIFT, 0x00000000 }, + { AUD_RDSQ_SHIFT, 0x00000000 }, + { AUD_POLYPH80SCALEFAC, 0x00000003 }, + { /* end of list */ }, + }; + static const struct rlist btsc_sap[] = { + { AUD_DBX_IN_GAIN, 0x00007200 }, + { AUD_DBX_WBE_GAIN, 0x00006200 }, + { AUD_DBX_SE_GAIN, 0x00006200 }, + { AUD_IIR1_1_SEL, 0x00000000 }, + { AUD_IIR1_3_SEL, 0x00000001 }, + { AUD_DN1_SRC_SEL, 0x00000007 }, + { AUD_IIR1_4_SHIFT, 0x00000006 }, + { AUD_IIR2_1_SHIFT, 0x00000000 }, + { AUD_IIR2_2_SHIFT, 0x00000000 }, + { AUD_IIR3_0_SHIFT, 0x00000000 }, + { AUD_IIR3_1_SHIFT, 0x00000000 }, + { AUD_IIR3_0_SEL, 0x0000000d }, + { AUD_IIR3_1_SEL, 0x0000000e }, + { AUD_DEEMPH1_SRC_SEL, 0x00000014 }, + { AUD_DEEMPH1_SHIFT, 0x00000000 }, + { AUD_DEEMPH1_G0, 0x00004000 }, + { AUD_DEEMPH1_A0, 0x00000000 }, + { AUD_DEEMPH1_B0, 0x00000000 }, + { AUD_DEEMPH1_A1, 0x00000000 }, + { AUD_DEEMPH1_B1, 0x00000000 }, + { AUD_OUT0_SEL, 0x0000003f }, + { AUD_OUT1_SEL, 0x0000003f }, + { AUD_DN1_AFC, 0x00000002 }, + { AUD_DCOC_0_SHIFT_IN0, 0x0000000a }, + { AUD_DCOC_0_SHIFT_IN1, 0x00000008 }, + { AUD_DCOC_1_SHIFT_IN0, 0x0000000a }, + { AUD_DCOC_1_SHIFT_IN1, 0x00000008 }, + { AUD_IIR1_0_SEL, 0x0000001d }, + { AUD_IIR1_2_SEL, 0x0000001e }, + { AUD_IIR2_1_SEL, 0x00000002 }, + { AUD_IIR2_2_SEL, 0x00000004 }, + { AUD_IIR3_2_SEL, 0x0000000f }, + { AUD_DCOC2_SHIFT, 0x00000001 }, + { AUD_IIR3_2_SHIFT, 0x00000001 }, + { AUD_DEEMPH0_SRC_SEL, 0x00000014 }, + { AUD_CORDIC_SHIFT_1, 0x00000006 }, + { AUD_POLY0_DDS_CONSTANT, 0x000e4db2 }, + { AUD_DMD_RA_DDS, 0x00f696e6 }, + { AUD_IIR2_3_SEL, 0x00000025 }, + { AUD_IIR1_4_SEL, 0x00000021 }, + { AUD_DN1_FREQ, 0x0000c965 }, + { AUD_DCOC_PASS_IN, 0x00000003 }, + { AUD_DCOC_0_SRC, 0x0000001a }, + { AUD_DCOC_1_SRC, 0x0000001b }, + { AUD_DCOC1_SHIFT, 0x00000000 }, + { AUD_RDSI_SEL, 0x00000009 }, + { AUD_RDSQ_SEL, 0x00000009 }, + { AUD_RDSI_SHIFT, 0x00000000 }, + { AUD_RDSQ_SHIFT, 0x00000000 }, + { AUD_POLYPH80SCALEFAC, 0x00000003 }, + { /* end of list */ }, + }; + + // dscaler: exactly taken from driver, + // dscaler: don't know why to set EN_FMRADIO_EN_RDS + if (sap) { + dprintk("%s SAP (status: unknown)\n",__FUNCTION__); + set_audio_start(core, 0x0001, + EN_FMRADIO_EN_RDS | EN_BTSC_FORCE_SAP); + set_audio_registers(core, btsc_sap); + } else { + dprintk("%s (status: known-good)\n",__FUNCTION__); + set_audio_start(core, 0x0001, + EN_FMRADIO_EN_RDS | EN_BTSC_AUTO_STEREO); + set_audio_registers(core, btsc); + } + set_audio_finish(core); +} + +#if 0 +static void set_audio_standard_NICAM(struct cx88_core *core) +{ + static const struct rlist nicam_common[] = { + /* from dscaler */ + { AUD_RATE_ADJ1, 0x00000010 }, + { AUD_RATE_ADJ2, 0x00000040 }, + { AUD_RATE_ADJ3, 0x00000100 }, + { AUD_RATE_ADJ4, 0x00000400 }, + { AUD_RATE_ADJ5, 0x00001000 }, + // { AUD_DMD_RA_DDS, 0x00c0d5ce }, + + // Deemphasis 1: + { AUD_DEEMPHGAIN_R, 0x000023c2 }, + { AUD_DEEMPHNUMER1_R, 0x0002a7bc }, + { AUD_DEEMPHNUMER2_R, 0x0003023e }, + { AUD_DEEMPHDENOM1_R, 0x0000f3d0 }, + { AUD_DEEMPHDENOM2_R, 0x00000000 }, + +#if 0 + // Deemphasis 2: (other tv norm?) + { AUD_DEEMPHGAIN_R, 0x0000c600 }, + { AUD_DEEMPHNUMER1_R, 0x00066738 }, + { AUD_DEEMPHNUMER2_R, 0x00066739 }, + { AUD_DEEMPHDENOM1_R, 0x0001e88c }, + { AUD_DEEMPHDENOM2_R, 0x0001e88c }, +#endif + + { AUD_DEEMPHDENOM2_R, 0x00000000 }, + { AUD_ERRLOGPERIOD_R, 0x00000fff }, + { AUD_ERRINTRPTTHSHLD1_R, 0x000003ff }, + { AUD_ERRINTRPTTHSHLD2_R, 0x000000ff }, + { AUD_ERRINTRPTTHSHLD3_R, 0x0000003f }, + { AUD_POLYPH80SCALEFAC, 0x00000003 }, + + // setup QAM registers + { AUD_PDF_DDS_CNST_BYTE2, 0x06 }, + { AUD_PDF_DDS_CNST_BYTE1, 0x82 }, + { AUD_PDF_DDS_CNST_BYTE0, 0x16 }, + { AUD_QAM_MODE, 0x05 }, + + { /* end of list */ }, + }; + static const struct rlist nicam_pal_i[] = { + { AUD_PDF_DDS_CNST_BYTE0, 0x12 }, + { AUD_PHACC_FREQ_8MSB, 0x3a }, + { AUD_PHACC_FREQ_8LSB, 0x93 }, + + { /* end of list */ }, + }; + static const struct rlist nicam_default[] = { + { AUD_PDF_DDS_CNST_BYTE0, 0x16 }, + { AUD_PHACC_FREQ_8MSB, 0x34 }, + { AUD_PHACC_FREQ_8LSB, 0x4c }, + + { /* end of list */ }, + }; + + set_audio_start(core, 0x0010, + EN_DMTRX_LR | EN_DMTRX_BYPASS | EN_NICAM_AUTO_STEREO); + set_audio_registers(core, nicam_common); + switch (core->tvaudio) { + case WW_NICAM_I: + dprintk("%s PAL-I NICAM (status: unknown)\n",__FUNCTION__); + set_audio_registers(core, nicam_pal_i); + break; + case WW_NICAM_BGDKL: + dprintk("%s PAL-BGDK NICAM (status: unknown)\n",__FUNCTION__); + set_audio_registers(core, nicam_default); + break; + }; + set_audio_finish(core); +} +#endif + +static void set_audio_standard_NICAM_L(struct cx88_core *core, int stereo) +{ + /* This is probably weird.. + * Let's operate and find out. */ + + static const struct rlist nicam_l_mono[] = { + { AUD_ERRLOGPERIOD_R, 0x00000064 }, + { AUD_ERRINTRPTTHSHLD1_R, 0x00000FFF }, + { AUD_ERRINTRPTTHSHLD2_R, 0x0000001F }, + { AUD_ERRINTRPTTHSHLD3_R, 0x0000000F }, + + { AUD_PDF_DDS_CNST_BYTE2, 0x48 }, + { AUD_PDF_DDS_CNST_BYTE1, 0x3D }, + { AUD_QAM_MODE, 0x00 }, + { AUD_PDF_DDS_CNST_BYTE0, 0xf5 }, + { AUD_PHACC_FREQ_8MSB, 0x3a }, + { AUD_PHACC_FREQ_8LSB, 0x4a }, + + { AUD_DEEMPHGAIN_R, 0x6680 }, + { AUD_DEEMPHNUMER1_R, 0x353DE }, + { AUD_DEEMPHNUMER2_R, 0x1B1 }, + { AUD_DEEMPHDENOM1_R, 0x0F3D0 }, + { AUD_DEEMPHDENOM2_R, 0x0 }, + { AUD_FM_MODE_ENABLE, 0x7 }, + { AUD_POLYPH80SCALEFAC, 0x3 }, + { AUD_AFE_12DB_EN, 0x1 }, + { AAGC_GAIN, 0x0 }, + { AAGC_HYST, 0x18 }, + { AAGC_DEF, 0x20 }, + { AUD_DN0_FREQ, 0x0 }, + { AUD_POLY0_DDS_CONSTANT, 0x0E4DB2 }, + { AUD_DCOC_0_SRC, 0x21 }, + { AUD_IIR1_0_SEL, 0x0 }, + { AUD_IIR1_0_SHIFT, 0x7 }, + { AUD_IIR1_1_SEL, 0x2 }, + { AUD_IIR1_1_SHIFT, 0x0 }, + { AUD_DCOC_1_SRC, 0x3 }, + { AUD_DCOC1_SHIFT, 0x0 }, + { AUD_DCOC_PASS_IN, 0x0 }, + { AUD_IIR1_2_SEL, 0x23 }, + { AUD_IIR1_2_SHIFT, 0x0 }, + { AUD_IIR1_3_SEL, 0x4 }, + { AUD_IIR1_3_SHIFT, 0x7 }, + { AUD_IIR1_4_SEL, 0x5 }, + { AUD_IIR1_4_SHIFT, 0x7 }, + { AUD_IIR3_0_SEL, 0x7 }, + { AUD_IIR3_0_SHIFT, 0x0 }, + { AUD_DEEMPH0_SRC_SEL, 0x11 }, + { AUD_DEEMPH0_SHIFT, 0x0 }, + { AUD_DEEMPH0_G0, 0x7000 }, + { AUD_DEEMPH0_A0, 0x0 }, + { AUD_DEEMPH0_B0, 0x0 }, + { AUD_DEEMPH0_A1, 0x0 }, + { AUD_DEEMPH0_B1, 0x0 }, + { AUD_DEEMPH1_SRC_SEL, 0x11 }, + { AUD_DEEMPH1_SHIFT, 0x0 }, + { AUD_DEEMPH1_G0, 0x7000 }, + { AUD_DEEMPH1_A0, 0x0 }, + { AUD_DEEMPH1_B0, 0x0 }, + { AUD_DEEMPH1_A1, 0x0 }, + { AUD_DEEMPH1_B1, 0x0 }, + { AUD_OUT0_SEL, 0x3F }, + { AUD_OUT1_SEL, 0x3F }, + { AUD_DMD_RA_DDS, 0x0F5C285 }, + { AUD_PLL_INT, 0x1E }, + { AUD_PLL_DDS, 0x0 }, + { AUD_PLL_FRAC, 0x0E542 }, + + // setup QAM registers + { AUD_RATE_ADJ1, 0x00000100 }, + { AUD_RATE_ADJ2, 0x00000200 }, + { AUD_RATE_ADJ3, 0x00000300 }, + { AUD_RATE_ADJ4, 0x00000400 }, + { AUD_RATE_ADJ5, 0x00000500 }, + { AUD_RATE_THRES_DMD, 0x000000C0 }, + { /* end of list */ }, + }; + + static const struct rlist nicam_l[] = { + // setup QAM registers + { AUD_RATE_ADJ1, 0x00000060 }, + { AUD_RATE_ADJ2, 0x000000F9 }, + { AUD_RATE_ADJ3, 0x000001CC }, + { AUD_RATE_ADJ4, 0x000002B3 }, + { AUD_RATE_ADJ5, 0x00000726 }, + { AUD_DEEMPHDENOM1_R, 0x0000F3D0 }, + { AUD_DEEMPHDENOM2_R, 0x00000000 }, + { AUD_ERRLOGPERIOD_R, 0x00000064 }, + { AUD_ERRINTRPTTHSHLD1_R, 0x00000FFF }, + { AUD_ERRINTRPTTHSHLD2_R, 0x0000001F }, + { AUD_ERRINTRPTTHSHLD3_R, 0x0000000F }, + { AUD_POLYPH80SCALEFAC, 0x00000003 }, + { AUD_DMD_RA_DDS, 0x00C00000 }, + { AUD_PLL_INT, 0x0000001E }, + { AUD_PLL_DDS, 0x00000000 }, + { AUD_PLL_FRAC, 0x0000E542 }, + { AUD_START_TIMER, 0x00000000 }, + { AUD_DEEMPHNUMER1_R, 0x000353DE }, + { AUD_DEEMPHNUMER2_R, 0x000001B1 }, + { AUD_PDF_DDS_CNST_BYTE2, 0x06 }, + { AUD_PDF_DDS_CNST_BYTE1, 0x82 }, + { AUD_QAM_MODE, 0x05 }, + { AUD_PDF_DDS_CNST_BYTE0, 0x12 }, + { AUD_PHACC_FREQ_8MSB, 0x34 }, + { AUD_PHACC_FREQ_8LSB, 0x4C }, + { AUD_DEEMPHGAIN_R, 0x00006680 }, + { AUD_RATE_THRES_DMD, 0x000000C0 }, + { /* end of list */ }, + } ; + dprintk("%s (status: devel), stereo : %d\n",__FUNCTION__,stereo); + + if (!stereo) { + /* AM mono sound */ + set_audio_start(core, 0x0004, + 0x100c /* FIXME again */); + set_audio_registers(core, nicam_l_mono); + } else { + set_audio_start(core, 0x0010, + 0x1924 /* FIXME again */); + set_audio_registers(core, nicam_l); + } + set_audio_finish(core); + +} + +static void set_audio_standard_PAL_I(struct cx88_core *core, int stereo) +{ + static const struct rlist pal_i_fm_mono[] = { + {AUD_ERRLOGPERIOD_R, 0x00000064}, + {AUD_ERRINTRPTTHSHLD1_R, 0x00000fff}, + {AUD_ERRINTRPTTHSHLD2_R, 0x0000001f}, + {AUD_ERRINTRPTTHSHLD3_R, 0x0000000f}, + {AUD_PDF_DDS_CNST_BYTE2, 0x06}, + {AUD_PDF_DDS_CNST_BYTE1, 0x82}, + {AUD_PDF_DDS_CNST_BYTE0, 0x12}, + {AUD_QAM_MODE, 0x05}, + {AUD_PHACC_FREQ_8MSB, 0x3a}, + {AUD_PHACC_FREQ_8LSB, 0x93}, + {AUD_DMD_RA_DDS, 0x002a4f2f}, + {AUD_PLL_INT, 0x0000001e}, + {AUD_PLL_DDS, 0x00000004}, + {AUD_PLL_FRAC, 0x0000e542}, + {AUD_RATE_ADJ1, 0x00000100}, + {AUD_RATE_ADJ2, 0x00000200}, + {AUD_RATE_ADJ3, 0x00000300}, + {AUD_RATE_ADJ4, 0x00000400}, + {AUD_RATE_ADJ5, 0x00000500}, + {AUD_THR_FR, 0x00000000}, + {AUD_PILOT_BQD_1_K0, 0x0000755b}, + {AUD_PILOT_BQD_1_K1, 0x00551340}, + {AUD_PILOT_BQD_1_K2, 0x006d30be}, + {AUD_PILOT_BQD_1_K3, 0xffd394af}, + {AUD_PILOT_BQD_1_K4, 0x00400000}, + {AUD_PILOT_BQD_2_K0, 0x00040000}, + {AUD_PILOT_BQD_2_K1, 0x002a4841}, + {AUD_PILOT_BQD_2_K2, 0x00400000}, + {AUD_PILOT_BQD_2_K3, 0x00000000}, + {AUD_PILOT_BQD_2_K4, 0x00000000}, + {AUD_MODE_CHG_TIMER, 0x00000060}, + {AUD_AFE_12DB_EN, 0x00000001}, + {AAGC_HYST, 0x0000000a}, + {AUD_CORDIC_SHIFT_0, 0x00000007}, + {AUD_CORDIC_SHIFT_1, 0x00000007}, + {AUD_C1_UP_THR, 0x00007000}, + {AUD_C1_LO_THR, 0x00005400}, + {AUD_C2_UP_THR, 0x00005400}, + {AUD_C2_LO_THR, 0x00003000}, + {AUD_DCOC_0_SRC, 0x0000001a}, + {AUD_DCOC0_SHIFT, 0x00000000}, + {AUD_DCOC_0_SHIFT_IN0, 0x0000000a}, + {AUD_DCOC_0_SHIFT_IN1, 0x00000008}, + {AUD_DCOC_PASS_IN, 0x00000003}, + {AUD_IIR3_0_SEL, 0x00000021}, + {AUD_DN2_AFC, 0x00000002}, + {AUD_DCOC_1_SRC, 0x0000001b}, + {AUD_DCOC1_SHIFT, 0x00000000}, + {AUD_DCOC_1_SHIFT_IN0, 0x0000000a}, + {AUD_DCOC_1_SHIFT_IN1, 0x00000008}, + {AUD_IIR3_1_SEL, 0x00000023}, + {AUD_DN0_FREQ, 0x000035a3}, + {AUD_DN2_FREQ, 0x000029c7}, + {AUD_CRDC0_SRC_SEL, 0x00000511}, + {AUD_IIR1_0_SEL, 0x00000001}, + {AUD_IIR1_1_SEL, 0x00000000}, + {AUD_IIR3_2_SEL, 0x00000003}, + {AUD_IIR3_2_SHIFT, 0x00000000}, + {AUD_IIR3_0_SEL, 0x00000002}, + {AUD_IIR2_0_SEL, 0x00000021}, + {AUD_IIR2_0_SHIFT, 0x00000002}, + {AUD_DEEMPH0_SRC_SEL, 0x0000000b}, + {AUD_DEEMPH1_SRC_SEL, 0x0000000b}, + {AUD_POLYPH80SCALEFAC, 0x00000001}, + {AUD_START_TIMER, 0x00000000}, + { /* end of list */ }, + }; + + static const struct rlist pal_i_nicam[] = { + { AUD_RATE_ADJ1, 0x00000010 }, + { AUD_RATE_ADJ2, 0x00000040 }, + { AUD_RATE_ADJ3, 0x00000100 }, + { AUD_RATE_ADJ4, 0x00000400 }, + { AUD_RATE_ADJ5, 0x00001000 }, + // { AUD_DMD_RA_DDS, 0x00c0d5ce }, + { AUD_DEEMPHGAIN_R, 0x000023c2 }, + { AUD_DEEMPHNUMER1_R, 0x0002a7bc }, + { AUD_DEEMPHNUMER2_R, 0x0003023e }, + { AUD_DEEMPHDENOM1_R, 0x0000f3d0 }, + { AUD_DEEMPHDENOM2_R, 0x00000000 }, + { AUD_DEEMPHDENOM2_R, 0x00000000 }, + { AUD_ERRLOGPERIOD_R, 0x00000fff }, + { AUD_ERRINTRPTTHSHLD1_R, 0x000003ff }, + { AUD_ERRINTRPTTHSHLD2_R, 0x000000ff }, + { AUD_ERRINTRPTTHSHLD3_R, 0x0000003f }, + { AUD_POLYPH80SCALEFAC, 0x00000003 }, + { AUD_PDF_DDS_CNST_BYTE2, 0x06 }, + { AUD_PDF_DDS_CNST_BYTE1, 0x82 }, + { AUD_PDF_DDS_CNST_BYTE0, 0x16 }, + { AUD_QAM_MODE, 0x05 }, + { AUD_PDF_DDS_CNST_BYTE0, 0x12 }, + { AUD_PHACC_FREQ_8MSB, 0x3a }, + { AUD_PHACC_FREQ_8LSB, 0x93 }, + { /* end of list */ }, + }; + + dprintk("%s (status: devel), stereo : %d\n",__FUNCTION__,stereo); + + if (!stereo) { + // FM mono + set_audio_start(core, 0x0004, EN_DMTRX_SUMDIFF | EN_A2_FORCE_MONO1); + set_audio_registers(core, pal_i_fm_mono); + } else { + // Nicam Stereo + set_audio_start(core, 0x0010, EN_DMTRX_LR | EN_DMTRX_BYPASS | EN_NICAM_AUTO_STEREO); + set_audio_registers(core, pal_i_nicam); + } + set_audio_finish(core); +} + +static void set_audio_standard_A2(struct cx88_core *core) +{ + /* from dscaler cvs */ + static const struct rlist a2_common[] = { + { AUD_PDF_DDS_CNST_BYTE2, 0x06 }, + { AUD_PDF_DDS_CNST_BYTE1, 0x82 }, + { AUD_PDF_DDS_CNST_BYTE0, 0x12 }, + { AUD_QAM_MODE, 0x05 }, + { AUD_PHACC_FREQ_8MSB, 0x34 }, + { AUD_PHACC_FREQ_8LSB, 0x4c }, + + { AUD_RATE_ADJ1, 0x00001000 }, + { AUD_RATE_ADJ2, 0x00002000 }, + { AUD_RATE_ADJ3, 0x00003000 }, + { AUD_RATE_ADJ4, 0x00004000 }, + { AUD_RATE_ADJ5, 0x00005000 }, + { AUD_THR_FR, 0x00000000 }, + { AAGC_HYST, 0x0000001a }, + { AUD_PILOT_BQD_1_K0, 0x0000755b }, + { AUD_PILOT_BQD_1_K1, 0x00551340 }, + { AUD_PILOT_BQD_1_K2, 0x006d30be }, + { AUD_PILOT_BQD_1_K3, 0xffd394af }, + { AUD_PILOT_BQD_1_K4, 0x00400000 }, + { AUD_PILOT_BQD_2_K0, 0x00040000 }, + { AUD_PILOT_BQD_2_K1, 0x002a4841 }, + { AUD_PILOT_BQD_2_K2, 0x00400000 }, + { AUD_PILOT_BQD_2_K3, 0x00000000 }, + { AUD_PILOT_BQD_2_K4, 0x00000000 }, + { AUD_MODE_CHG_TIMER, 0x00000040 }, + { AUD_START_TIMER, 0x00000200 }, + { AUD_AFE_12DB_EN, 0x00000000 }, + { AUD_CORDIC_SHIFT_0, 0x00000007 }, + { AUD_CORDIC_SHIFT_1, 0x00000007 }, + { AUD_DEEMPH0_G0, 0x00000380 }, + { AUD_DEEMPH1_G0, 0x00000380 }, + { AUD_DCOC_0_SRC, 0x0000001a }, + { AUD_DCOC0_SHIFT, 0x00000000 }, + { AUD_DCOC_0_SHIFT_IN0, 0x0000000a }, + { AUD_DCOC_0_SHIFT_IN1, 0x00000008 }, + { AUD_DCOC_PASS_IN, 0x00000003 }, + { AUD_IIR3_0_SEL, 0x00000021 }, + { AUD_DN2_AFC, 0x00000002 }, + { AUD_DCOC_1_SRC, 0x0000001b }, + { AUD_DCOC1_SHIFT, 0x00000000 }, + { AUD_DCOC_1_SHIFT_IN0, 0x0000000a }, + { AUD_DCOC_1_SHIFT_IN1, 0x00000008 }, + { AUD_IIR3_1_SEL, 0x00000023 }, + { AUD_RDSI_SEL, 0x00000017 }, + { AUD_RDSI_SHIFT, 0x00000000 }, + { AUD_RDSQ_SEL, 0x00000017 }, + { AUD_RDSQ_SHIFT, 0x00000000 }, + { AUD_POLYPH80SCALEFAC, 0x00000001 }, + + { /* end of list */ }, + }; + + static const struct rlist a2_table1[] = { + // PAL-BG + { AUD_DMD_RA_DDS, 0x002a73bd }, + { AUD_C1_UP_THR, 0x00007000 }, + { AUD_C1_LO_THR, 0x00005400 }, + { AUD_C2_UP_THR, 0x00005400 }, + { AUD_C2_LO_THR, 0x00003000 }, + { /* end of list */ }, + }; + static const struct rlist a2_table2[] = { + // PAL-DK + { AUD_DMD_RA_DDS, 0x002a73bd }, + { AUD_C1_UP_THR, 0x00007000 }, + { AUD_C1_LO_THR, 0x00005400 }, + { AUD_C2_UP_THR, 0x00005400 }, + { AUD_C2_LO_THR, 0x00003000 }, + { AUD_DN0_FREQ, 0x00003a1c }, + { AUD_DN2_FREQ, 0x0000d2e0 }, + { /* end of list */ }, + }; + static const struct rlist a2_table3[] = { + // unknown, probably NTSC-M + { AUD_DMD_RA_DDS, 0x002a2873 }, + { AUD_C1_UP_THR, 0x00003c00 }, + { AUD_C1_LO_THR, 0x00003000 }, + { AUD_C2_UP_THR, 0x00006000 }, + { AUD_C2_LO_THR, 0x00003c00 }, + { AUD_DN0_FREQ, 0x00002836 }, + { AUD_DN1_FREQ, 0x00003418 }, + { AUD_DN2_FREQ, 0x000029c7 }, + { AUD_POLY0_DDS_CONSTANT, 0x000a7540 }, + { /* end of list */ }, + }; + + set_audio_start(core, 0x0004, EN_DMTRX_SUMDIFF | EN_A2_AUTO_STEREO); + set_audio_registers(core, a2_common); + switch (core->tvaudio) { + case WW_A2_BG: + dprintk("%s PAL-BG A2 (status: known-good)\n",__FUNCTION__); + set_audio_registers(core, a2_table1); + break; + case WW_A2_DK: + dprintk("%s PAL-DK A2 (status: known-good)\n",__FUNCTION__); + set_audio_registers(core, a2_table2); + break; + case WW_A2_M: + dprintk("%s NTSC-M A2 (status: unknown)\n",__FUNCTION__); + set_audio_registers(core, a2_table3); + break; + }; + set_audio_finish(core); +} + +static void set_audio_standard_EIAJ(struct cx88_core *core) +{ + static const struct rlist eiaj[] = { + /* TODO: eiaj register settings are not there yet ... */ + + { /* end of list */ }, + }; + dprintk("%s (status: unknown)\n",__FUNCTION__); + + set_audio_start(core, 0x0002, EN_EIAJ_AUTO_STEREO); + set_audio_registers(core, eiaj); + set_audio_finish(core); +} + +static void set_audio_standard_FM(struct cx88_core *core) +{ +#if 0 /* FIXME */ + switch (dev->audio_properties.FM_deemphasis) + { + case WW_FM_DEEMPH_50: + //Set De-emphasis filter coefficients for 50 usec + cx_write(AUD_DEEMPH0_G0, 0x0C45); + cx_write(AUD_DEEMPH0_A0, 0x6262); + cx_write(AUD_DEEMPH0_B0, 0x1C29); + cx_write(AUD_DEEMPH0_A1, 0x3FC66); + cx_write(AUD_DEEMPH0_B1, 0x399A); + + cx_write(AUD_DEEMPH1_G0, 0x0D80); + cx_write(AUD_DEEMPH1_A0, 0x6262); + cx_write(AUD_DEEMPH1_B0, 0x1C29); + cx_write(AUD_DEEMPH1_A1, 0x3FC66); + cx_write(AUD_DEEMPH1_B1, 0x399A); + + break; + + case WW_FM_DEEMPH_75: + //Set De-emphasis filter coefficients for 75 usec + cx_write(AUD_DEEMPH0_G0, 0x91B ); + cx_write(AUD_DEEMPH0_A0, 0x6B68); + cx_write(AUD_DEEMPH0_B0, 0x11EC); + cx_write(AUD_DEEMPH0_A1, 0x3FC66); + cx_write(AUD_DEEMPH0_B1, 0x399A); + + cx_write(AUD_DEEMPH1_G0, 0xAA0 ); + cx_write(AUD_DEEMPH1_A0, 0x6B68); + cx_write(AUD_DEEMPH1_B0, 0x11EC); + cx_write(AUD_DEEMPH1_A1, 0x3FC66); + cx_write(AUD_DEEMPH1_B1, 0x399A); + + break; + } +#endif + + dprintk("%s (status: unknown)\n",__FUNCTION__); + set_audio_start(core, 0x0020, EN_FMRADIO_AUTO_STEREO); + + // AB: 10/2/01: this register is not being reset appropriately on occasion. + cx_write(AUD_POLYPH80SCALEFAC,3); + + set_audio_finish(core); +} + +/* ----------------------------------------------------------- */ + +void cx88_set_tvaudio(struct cx88_core *core) +{ + switch (core->tvaudio) { + case WW_BTSC: + set_audio_standard_BTSC(core,0); + break; + case WW_NICAM_BGDKL: + set_audio_standard_NICAM_L(core,0); + break; + case WW_NICAM_I: + set_audio_standard_PAL_I(core,0); + break; + case WW_A2_BG: + case WW_A2_DK: + case WW_A2_M: + set_audio_standard_A2(core); + break; + case WW_EIAJ: + set_audio_standard_EIAJ(core); + break; + case WW_FM: + set_audio_standard_FM(core); + break; + case WW_SYSTEM_L_AM: + set_audio_standard_NICAM_L(core, 1); + break; + case WW_NONE: + default: + printk("%s/0: unknown tv audio mode [%d]\n", + core->name, core->tvaudio); + break; + } + return; +} + +void cx88_newstation(struct cx88_core *core) +{ + core->audiomode_manual = UNSET; + + switch (core->tvaudio) { + case WW_SYSTEM_L_AM: + /* try nicam ... */ + core->audiomode_current = V4L2_TUNER_MODE_STEREO; + set_audio_standard_NICAM_L(core, 1); + break; + } +} + +void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t) +{ + static char *m[] = {"stereo", "dual mono", "mono", "sap"}; + static char *p[] = {"no pilot", "pilot c1", "pilot c2", "?"}; + u32 reg,mode,pilot; + + reg = cx_read(AUD_STATUS); + mode = reg & 0x03; + pilot = (reg >> 2) & 0x03; + + if (core->astat != reg) + dprintk("AUD_STATUS: 0x%x [%s/%s] ctl=%s\n", + reg, m[mode], p[pilot], + aud_ctl_names[cx_read(AUD_CTL) & 63]); + core->astat = reg; + + t->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_SAP | + V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; + t->rxsubchans = V4L2_TUNER_SUB_MONO; + t->audmode = V4L2_TUNER_MODE_MONO; + + switch (core->tvaudio) { + case WW_BTSC: + t->capability = V4L2_TUNER_CAP_STEREO | + V4L2_TUNER_CAP_SAP; + t->rxsubchans = V4L2_TUNER_SUB_STEREO; + if (1 == pilot) { + /* SAP */ + t->rxsubchans |= V4L2_TUNER_SUB_SAP; + } + break; + case WW_A2_BG: + case WW_A2_DK: + case WW_A2_M: + if (1 == pilot) { + /* stereo */ + t->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; + if (0 == mode) + t->audmode = V4L2_TUNER_MODE_STEREO; + } + if (2 == pilot) { + /* dual language -- FIXME */ + t->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; + t->audmode = V4L2_TUNER_MODE_LANG1; + } + break; + case WW_NICAM_BGDKL: + if (0 == mode) { + t->audmode = V4L2_TUNER_MODE_STEREO; + t->rxsubchans |= V4L2_TUNER_SUB_STEREO; + } + break; + case WW_SYSTEM_L_AM: + if (0x0 == mode && !(cx_read(AUD_INIT) & 0x04)) { + t->audmode = V4L2_TUNER_MODE_STEREO; + t->rxsubchans |= V4L2_TUNER_SUB_STEREO; + } + break ; + default: + /* nothing */ + break; + } + return; +} + +void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual) +{ + u32 ctl = UNSET; + u32 mask = UNSET; + + if (manual) { + core->audiomode_manual = mode; + } else { + if (UNSET != core->audiomode_manual) + return; + } + core->audiomode_current = mode; + + switch (core->tvaudio) { + case WW_BTSC: + switch (mode) { + case V4L2_TUNER_MODE_MONO: + ctl = EN_BTSC_FORCE_MONO; + mask = 0x3f; + break; + case V4L2_TUNER_MODE_SAP: + ctl = EN_BTSC_FORCE_SAP; + mask = 0x3f; + break; + case V4L2_TUNER_MODE_STEREO: + ctl = EN_BTSC_AUTO_STEREO; + mask = 0x3f; + break; + } + break; + case WW_A2_BG: + case WW_A2_DK: + case WW_A2_M: + switch (mode) { + case V4L2_TUNER_MODE_MONO: + case V4L2_TUNER_MODE_LANG1: + ctl = EN_A2_FORCE_MONO1; + mask = 0x3f; + break; + case V4L2_TUNER_MODE_LANG2: + ctl = EN_A2_AUTO_MONO2; + mask = 0x3f; + break; + case V4L2_TUNER_MODE_STEREO: + ctl = EN_A2_AUTO_STEREO | EN_DMTRX_SUMR; + mask = 0x8bf; + break; + } + break; + case WW_NICAM_BGDKL: + switch (mode) { + case V4L2_TUNER_MODE_MONO: + ctl = EN_NICAM_FORCE_MONO1; + mask = 0x3f; + break; + case V4L2_TUNER_MODE_LANG1: + ctl = EN_NICAM_AUTO_MONO2; + mask = 0x3f; + break; + case V4L2_TUNER_MODE_STEREO: + ctl = EN_NICAM_FORCE_STEREO | EN_DMTRX_LR; + mask = 0x93f; + break; + } + break; + case WW_SYSTEM_L_AM: + switch (mode) { + case V4L2_TUNER_MODE_MONO: + case V4L2_TUNER_MODE_LANG1: /* FIXME */ + set_audio_standard_NICAM_L(core, 0); + break; + case V4L2_TUNER_MODE_STEREO: + set_audio_standard_NICAM_L(core, 1); + break; + } + break; + case WW_NICAM_I: + switch (mode) { + case V4L2_TUNER_MODE_MONO: + case V4L2_TUNER_MODE_LANG1: + set_audio_standard_PAL_I(core, 0); + break; + case V4L2_TUNER_MODE_STEREO: + set_audio_standard_PAL_I(core, 1); + break; + } + break; + case WW_FM: + switch (mode) { + case V4L2_TUNER_MODE_MONO: + ctl = EN_FMRADIO_FORCE_MONO; + mask = 0x3f; + break; + case V4L2_TUNER_MODE_STEREO: + ctl = EN_FMRADIO_AUTO_STEREO; + mask = 0x3f; + break; + } + break; + } + + if (UNSET != ctl) { + dprintk("cx88_set_stereo: mask 0x%x, ctl 0x%x " + "[status=0x%x,ctl=0x%x,vol=0x%x]\n", + mask, ctl, cx_read(AUD_STATUS), + cx_read(AUD_CTL), cx_sread(SHADOW_AUD_VOL_CTL)); + cx_andor(AUD_CTL, mask, ctl); + } + return; +} + +int cx88_audio_thread(void *data) +{ + struct cx88_core *core = data; + struct v4l2_tuner t; + u32 mode = 0; + + dprintk("cx88: tvaudio thread started\n"); + for (;;) { + msleep_interruptible(1000); + if (kthread_should_stop()) + break; + + /* just monitor the audio status for now ... */ + memset(&t,0,sizeof(t)); + cx88_get_stereo(core,&t); + + if (UNSET != core->audiomode_manual) + /* manually set, don't do anything. */ + continue; + + /* monitor signal */ + if (t.rxsubchans & V4L2_TUNER_SUB_STEREO) + mode = V4L2_TUNER_MODE_STEREO; + else + mode = V4L2_TUNER_MODE_MONO; + if (mode == core->audiomode_current) + continue; + + /* automatically switch to best available mode */ + cx88_set_stereo(core, mode, 0); + } + + dprintk("cx88: tvaudio thread exiting\n"); + return 0; +} + +/* ----------------------------------------------------------- */ + +EXPORT_SYMBOL(cx88_set_tvaudio); +EXPORT_SYMBOL(cx88_newstation); +EXPORT_SYMBOL(cx88_set_stereo); +EXPORT_SYMBOL(cx88_get_stereo); +EXPORT_SYMBOL(cx88_audio_thread); + +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ |
