| /* |
| |
| 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/freezer.h> |
| #include <linux/kernel.h> |
| #include <linux/slab.h> |
| #include <linux/mm.h> |
| #include <linux/poll.h> |
| #include <linux/signal.h> |
| #include <linux/ioport.h> |
| #include <linux/types.h> |
| #include <linux/interrupt.h> |
| #include <linux/vmalloc.h> |
| #include <linux/init.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]"); |
| |
| static unsigned int always_analog = 0; |
| module_param(always_analog,int,0644); |
| MODULE_PARM_DESC(always_analog,"force analog audio out"); |
| |
| |
| #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) |
| { |
| /* mute */ |
| cx_write(AUD_VOL_CTL, (1 << 6)); |
| |
| /* start programming */ |
| cx_write(AUD_INIT, mode); |
| cx_write(AUD_INIT_LD, 0x0001); |
| cx_write(AUD_SOFT_RESET, 0x0001); |
| } |
| |
| static void set_audio_finish(struct cx88_core *core, u32 ctl) |
| { |
| u32 volume; |
| |
| /* restart dma; This avoids buzz in NICAM and is good in others */ |
| cx88_stop_audio_dma(core); |
| cx_write(AUD_RATE_THRES_DMD, 0x000000C0); |
| cx88_start_audio_dma(core); |
| |
| if (cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD) { |
| cx_write(AUD_I2SINPUTCNTL, 4); |
| cx_write(AUD_BAUDRATE, 1); |
| /* 'pass-thru mode': this enables the i2s output to the mpeg encoder */ |
| cx_set(AUD_CTL, EN_I2SOUT_ENABLE); |
| cx_write(AUD_I2SOUTPUTCNTL, 1); |
| cx_write(AUD_I2SCNTL, 0); |
| /* cx_write(AUD_APB_IN_RATE_ADJ, 0); */ |
| } |
| if ((always_analog) || (!(cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD))) { |
| ctl |= EN_DAC_ENABLE; |
| cx_write(AUD_CTL, ctl); |
| } |
| |
| /* finish programming */ |
| cx_write(AUD_SOFT_RESET, 0x0000); |
| |
| /* 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, |
| u32 mode) |
| { |
| static const struct rlist btsc[] = { |
| {AUD_AFE_12DB_EN, 0x00000001}, |
| {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_AFE_12DB_EN, 0x00000001}, |
| {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 */ }, |
| }; |
| |
| mode |= EN_FMRADIO_EN_RDS; |
| |
| if (sap) { |
| dprintk("%s SAP (status: unknown)\n", __FUNCTION__); |
| set_audio_start(core, SEL_SAP); |
| set_audio_registers(core, btsc_sap); |
| set_audio_finish(core, mode); |
| } else { |
| dprintk("%s (status: known-good)\n", __FUNCTION__); |
| set_audio_start(core, SEL_BTSC); |
| set_audio_registers(core, btsc); |
| set_audio_finish(core, mode); |
| } |
| } |
| |
| static void set_audio_standard_NICAM(struct cx88_core *core, u32 mode) |
| { |
| static const struct rlist nicam_l[] = { |
| {AUD_AFE_12DB_EN, 0x00000001}, |
| {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_PDF_DDS_CNST_BYTE0, 0x12}, |
| {AUD_QAM_MODE, 0x05}, |
| {AUD_PHACC_FREQ_8MSB, 0x34}, |
| {AUD_PHACC_FREQ_8LSB, 0x4C}, |
| {AUD_DEEMPHGAIN_R, 0x00006680}, |
| {AUD_RATE_THRES_DMD, 0x000000C0}, |
| { /* end of list */ }, |
| }; |
| |
| static const struct rlist nicam_bgdki_common[] = { |
| {AUD_AFE_12DB_EN, 0x00000001}, |
| {AUD_RATE_ADJ1, 0x00000010}, |
| {AUD_RATE_ADJ2, 0x00000040}, |
| {AUD_RATE_ADJ3, 0x00000100}, |
| {AUD_RATE_ADJ4, 0x00000400}, |
| {AUD_RATE_ADJ5, 0x00001000}, |
| {AUD_ERRLOGPERIOD_R, 0x00000fff}, |
| {AUD_ERRINTRPTTHSHLD1_R, 0x000003ff}, |
| {AUD_ERRINTRPTTHSHLD2_R, 0x000000ff}, |
| {AUD_ERRINTRPTTHSHLD3_R, 0x0000003f}, |
| {AUD_POLYPH80SCALEFAC, 0x00000003}, |
| {AUD_DEEMPHGAIN_R, 0x000023c2}, |
| {AUD_DEEMPHNUMER1_R, 0x0002a7bc}, |
| {AUD_DEEMPHNUMER2_R, 0x0003023e}, |
| {AUD_DEEMPHDENOM1_R, 0x0000f3d0}, |
| {AUD_DEEMPHDENOM2_R, 0x00000000}, |
| {AUD_PDF_DDS_CNST_BYTE2, 0x06}, |
| {AUD_PDF_DDS_CNST_BYTE1, 0x82}, |
| {AUD_QAM_MODE, 0x05}, |
| { /* end of list */ }, |
| }; |
| |
| static const struct rlist nicam_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,SEL_NICAM); |
| switch (core->tvaudio) { |
| case WW_L: |
| dprintk("%s SECAM-L NICAM (status: devel)\n", __FUNCTION__); |
| set_audio_registers(core, nicam_l); |
| break; |
| case WW_I: |
| dprintk("%s PAL-I NICAM (status: known-good)\n", __FUNCTION__); |
| set_audio_registers(core, nicam_bgdki_common); |
| set_audio_registers(core, nicam_i); |
| break; |
| default: |
| dprintk("%s PAL-BGDK NICAM (status: known-good)\n", __FUNCTION__); |
| set_audio_registers(core, nicam_bgdki_common); |
| set_audio_registers(core, nicam_default); |
| break; |
| }; |
| |
| mode |= EN_DMTRX_LR | EN_DMTRX_BYPASS; |
| set_audio_finish(core, mode); |
| } |
| |
| static void set_audio_standard_A2(struct cx88_core *core, u32 mode) |
| { |
| static const struct rlist a2_bgdk_common[] = { |
| {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, 0x34}, |
| {AUD_PHACC_FREQ_8LSB, 0x4c}, |
| {AUD_RATE_ADJ1, 0x00000100}, |
| {AUD_RATE_ADJ2, 0x00000200}, |
| {AUD_RATE_ADJ3, 0x00000300}, |
| {AUD_RATE_ADJ4, 0x00000400}, |
| {AUD_RATE_ADJ5, 0x00000500}, |
| {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_AFE_12DB_EN, 0x00000001}, |
| {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_PLL_INT, 0x0000001e}, |
| {AUD_PLL_DDS, 0x00000000}, |
| {AUD_PLL_FRAC, 0x0000e542}, |
| {AUD_POLYPH80SCALEFAC, 0x00000001}, |
| {AUD_START_TIMER, 0x00000000}, |
| { /* end of list */ }, |
| }; |
| |
| static const struct rlist a2_bg[] = { |
| {AUD_DMD_RA_DDS, 0x002a4f2f}, |
| {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_dk[] = { |
| {AUD_DMD_RA_DDS, 0x002a4f2f}, |
| {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 a1_i[] = { |
| {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 am_l[] = { |
| {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, 0x00006680}, |
| {AUD_DEEMPHNUMER1_R, 0x000353DE}, |
| {AUD_DEEMPHNUMER2_R, 0x000001B1}, |
| {AUD_DEEMPHDENOM1_R, 0x0000F3D0}, |
| {AUD_DEEMPHDENOM2_R, 0x00000000}, |
| {AUD_FM_MODE_ENABLE, 0x00000007}, |
| {AUD_POLYPH80SCALEFAC, 0x00000003}, |
| {AUD_AFE_12DB_EN, 0x00000001}, |
| {AAGC_GAIN, 0x00000000}, |
| {AAGC_HYST, 0x00000018}, |
| {AAGC_DEF, 0x00000020}, |
| {AUD_DN0_FREQ, 0x00000000}, |
| {AUD_POLY0_DDS_CONSTANT, 0x000E4DB2}, |
| {AUD_DCOC_0_SRC, 0x00000021}, |
| {AUD_IIR1_0_SEL, 0x00000000}, |
| {AUD_IIR1_0_SHIFT, 0x00000007}, |
| {AUD_IIR1_1_SEL, 0x00000002}, |
| {AUD_IIR1_1_SHIFT, 0x00000000}, |
| {AUD_DCOC_1_SRC, 0x00000003}, |
| {AUD_DCOC1_SHIFT, 0x00000000}, |
| {AUD_DCOC_PASS_IN, 0x00000000}, |
| {AUD_IIR1_2_SEL, 0x00000023}, |
| {AUD_IIR1_2_SHIFT, 0x00000000}, |
| {AUD_IIR1_3_SEL, 0x00000004}, |
| {AUD_IIR1_3_SHIFT, 0x00000007}, |
| {AUD_IIR1_4_SEL, 0x00000005}, |
| {AUD_IIR1_4_SHIFT, 0x00000007}, |
| {AUD_IIR3_0_SEL, 0x00000007}, |
| {AUD_IIR3_0_SHIFT, 0x00000000}, |
| {AUD_DEEMPH0_SRC_SEL, 0x00000011}, |
| {AUD_DEEMPH0_SHIFT, 0x00000000}, |
| {AUD_DEEMPH0_G0, 0x00007000}, |
| {AUD_DEEMPH0_A0, 0x00000000}, |
| {AUD_DEEMPH0_B0, 0x00000000}, |
| {AUD_DEEMPH0_A1, 0x00000000}, |
| {AUD_DEEMPH0_B1, 0x00000000}, |
| {AUD_DEEMPH1_SRC_SEL, 0x00000011}, |
| {AUD_DEEMPH1_SHIFT, 0x00000000}, |
| {AUD_DEEMPH1_G0, 0x00007000}, |
| {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_DMD_RA_DDS, 0x00F5C285}, |
| {AUD_PLL_INT, 0x0000001E}, |
| {AUD_PLL_DDS, 0x00000000}, |
| {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_RATE_THRES_DMD, 0x000000C0}, |
| { /* end of list */ }, |
| }; |
| |
| static const struct rlist a2_deemph50[] = { |
| {AUD_DEEMPH0_G0, 0x00000380}, |
| {AUD_DEEMPH1_G0, 0x00000380}, |
| {AUD_DEEMPHGAIN_R, 0x000011e1}, |
| {AUD_DEEMPHNUMER1_R, 0x0002a7bc}, |
| {AUD_DEEMPHNUMER2_R, 0x0003023c}, |
| { /* end of list */ }, |
| }; |
| |
| set_audio_start(core, SEL_A2); |
| switch (core->tvaudio) { |
| case WW_BG: |
| dprintk("%s PAL-BG A1/2 (status: known-good)\n", __FUNCTION__); |
| set_audio_registers(core, a2_bgdk_common); |
| set_audio_registers(core, a2_bg); |
| set_audio_registers(core, a2_deemph50); |
| break; |
| case WW_DK: |
| dprintk("%s PAL-DK A1/2 (status: known-good)\n", __FUNCTION__); |
| set_audio_registers(core, a2_bgdk_common); |
| set_audio_registers(core, a2_dk); |
| set_audio_registers(core, a2_deemph50); |
| break; |
| case WW_I: |
| dprintk("%s PAL-I A1 (status: known-good)\n", __FUNCTION__); |
| set_audio_registers(core, a1_i); |
| set_audio_registers(core, a2_deemph50); |
| break; |
| case WW_L: |
| dprintk("%s AM-L (status: devel)\n", __FUNCTION__); |
| set_audio_registers(core, am_l); |
| break; |
| default: |
| dprintk("%s Warning: wrong value\n", __FUNCTION__); |
| return; |
| break; |
| }; |
| |
| mode |= EN_FMRADIO_EN_RDS | EN_DMTRX_SUMDIFF; |
| set_audio_finish(core, mode); |
| } |
| |
| 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, SEL_EIAJ); |
| set_audio_registers(core, eiaj); |
| set_audio_finish(core, EN_EIAJ_AUTO_STEREO); |
| } |
| |
| static void set_audio_standard_FM(struct cx88_core *core, |
| enum cx88_deemph_type deemph) |
| { |
| static const struct rlist fm_deemph_50[] = { |
| {AUD_DEEMPH0_G0, 0x0C45}, |
| {AUD_DEEMPH0_A0, 0x6262}, |
| {AUD_DEEMPH0_B0, 0x1C29}, |
| {AUD_DEEMPH0_A1, 0x3FC66}, |
| {AUD_DEEMPH0_B1, 0x399A}, |
| |
| {AUD_DEEMPH1_G0, 0x0D80}, |
| {AUD_DEEMPH1_A0, 0x6262}, |
| {AUD_DEEMPH1_B0, 0x1C29}, |
| {AUD_DEEMPH1_A1, 0x3FC66}, |
| {AUD_DEEMPH1_B1, 0x399A}, |
| |
| {AUD_POLYPH80SCALEFAC, 0x0003}, |
| { /* end of list */ }, |
| }; |
| static const struct rlist fm_deemph_75[] = { |
| {AUD_DEEMPH0_G0, 0x091B}, |
| {AUD_DEEMPH0_A0, 0x6B68}, |
| {AUD_DEEMPH0_B0, 0x11EC}, |
| {AUD_DEEMPH0_A1, 0x3FC66}, |
| {AUD_DEEMPH0_B1, 0x399A}, |
| |
| {AUD_DEEMPH1_G0, 0x0AA0}, |
| {AUD_DEEMPH1_A0, 0x6B68}, |
| {AUD_DEEMPH1_B0, 0x11EC}, |
| {AUD_DEEMPH1_A1, 0x3FC66}, |
| {AUD_DEEMPH1_B1, 0x399A}, |
| |
| {AUD_POLYPH80SCALEFAC, 0x0003}, |
| { /* end of list */ }, |
| }; |
| |
| /* It is enough to leave default values? */ |
| static const struct rlist fm_no_deemph[] = { |
| |
| {AUD_POLYPH80SCALEFAC, 0x0003}, |
| { /* end of list */ }, |
| }; |
| |
| dprintk("%s (status: unknown)\n", __FUNCTION__); |
| set_audio_start(core, SEL_FMRADIO); |
| |
| switch (deemph) { |
| case FM_NO_DEEMPH: |
| set_audio_registers(core, fm_no_deemph); |
| break; |
| |
| case FM_DEEMPH_50: |
| set_audio_registers(core, fm_deemph_50); |
| break; |
| |
| case FM_DEEMPH_75: |
| set_audio_registers(core, fm_deemph_75); |
| break; |
| } |
| |
| set_audio_finish(core, EN_FMRADIO_AUTO_STEREO); |
| } |
| |
| /* ----------------------------------------------------------- */ |
| |
| static int cx88_detect_nicam(struct cx88_core *core) |
| { |
| int i, j = 0; |
| |
| dprintk("start nicam autodetect.\n"); |
| |
| for (i = 0; i < 6; i++) { |
| /* if bit1=1 then nicam is detected */ |
| j += ((cx_read(AUD_NICAM_STATUS2) & 0x02) >> 1); |
| |
| if (j == 1) { |
| dprintk("nicam is detected.\n"); |
| return 1; |
| } |
| |
| /* wait a little bit for next reading status */ |
| msleep(10); |
| } |
| |
| dprintk("nicam is not detected.\n"); |
| return 0; |
| } |
| |
| void cx88_set_tvaudio(struct cx88_core *core) |
| { |
| switch (core->tvaudio) { |
| case WW_BTSC: |
| set_audio_standard_BTSC(core, 0, EN_BTSC_AUTO_STEREO); |
| break; |
| case WW_BG: |
| case WW_DK: |
| case WW_I: |
| case WW_L: |
| /* prepare all dsp registers */ |
| set_audio_standard_A2(core, EN_A2_FORCE_MONO1); |
| |
| /* set nicam mode - otherwise |
| AUD_NICAM_STATUS2 contains wrong values */ |
| set_audio_standard_NICAM(core, EN_NICAM_AUTO_STEREO); |
| if (0 == cx88_detect_nicam(core)) { |
| /* fall back to fm / am mono */ |
| set_audio_standard_A2(core, EN_A2_FORCE_MONO1); |
| core->use_nicam = 0; |
| } else { |
| core->use_nicam = 1; |
| } |
| break; |
| case WW_EIAJ: |
| set_audio_standard_EIAJ(core); |
| break; |
| case WW_FM: |
| set_audio_standard_FM(core, FM_NO_DEEMPH); |
| 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; |
| } |
| |
| 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; |
| |
| /* TODO |
| Reading from AUD_STATUS is not enough |
| for auto-detecting sap/dual-fm/nicam. |
| Add some code here later. |
| */ |
| |
| 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: |
| set_audio_standard_BTSC(core, 0, EN_BTSC_FORCE_MONO); |
| break; |
| case V4L2_TUNER_MODE_LANG1: |
| set_audio_standard_BTSC(core, 0, EN_BTSC_AUTO_STEREO); |
| break; |
| case V4L2_TUNER_MODE_LANG2: |
| set_audio_standard_BTSC(core, 1, EN_BTSC_FORCE_SAP); |
| break; |
| case V4L2_TUNER_MODE_STEREO: |
| case V4L2_TUNER_MODE_LANG1_LANG2: |
| set_audio_standard_BTSC(core, 0, EN_BTSC_FORCE_STEREO); |
| break; |
| } |
| break; |
| case WW_BG: |
| case WW_DK: |
| case WW_I: |
| case WW_L: |
| if (1 == core->use_nicam) { |
| switch (mode) { |
| case V4L2_TUNER_MODE_MONO: |
| case V4L2_TUNER_MODE_LANG1: |
| set_audio_standard_NICAM(core, |
| EN_NICAM_FORCE_MONO1); |
| break; |
| case V4L2_TUNER_MODE_LANG2: |
| set_audio_standard_NICAM(core, |
| EN_NICAM_FORCE_MONO2); |
| break; |
| case V4L2_TUNER_MODE_STEREO: |
| case V4L2_TUNER_MODE_LANG1_LANG2: |
| set_audio_standard_NICAM(core, |
| EN_NICAM_FORCE_STEREO); |
| break; |
| } |
| } else { |
| if ((core->tvaudio == WW_I) || (core->tvaudio == WW_L)) { |
| /* fall back to fm / am mono */ |
| set_audio_standard_A2(core, EN_A2_FORCE_MONO1); |
| } else { |
| /* TODO: Add A2 autodection */ |
| switch (mode) { |
| case V4L2_TUNER_MODE_MONO: |
| case V4L2_TUNER_MODE_LANG1: |
| set_audio_standard_A2(core, |
| EN_A2_FORCE_MONO1); |
| break; |
| case V4L2_TUNER_MODE_LANG2: |
| set_audio_standard_A2(core, |
| EN_A2_FORCE_MONO2); |
| break; |
| case V4L2_TUNER_MODE_STEREO: |
| case V4L2_TUNER_MODE_LANG1_LANG2: |
| set_audio_standard_A2(core, |
| EN_A2_FORCE_STEREO); |
| 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"); |
| set_freezable(); |
| for (;;) { |
| msleep_interruptible(1000); |
| if (kthread_should_stop()) |
| break; |
| try_to_freeze(); |
| |
| /* 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: |
| * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off |
| */ |
