/*
- $Id: cx88-tvaudio.c,v 1.24 2004/10/25 11:51:00 kraxel Exp $
+ $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
*/
#include <linux/module.h>
+#include <linux/moduleparam.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include "cx88.h"
-static unsigned int audio_debug = 1;
+static unsigned int audio_debug = 0;
module_param(audio_debug,int,0644);
MODULE_PARM_DESC(audio_debug,"enable debug messages [audio]");
{
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);
set_audio_finish(core);
}
+#if 0
static void set_audio_standard_NICAM(struct cx88_core *core)
{
static const struct rlist nicam_common[] = {
};
set_audio_finish(core);
}
+#endif
-static void set_audio_standard_NICAM_L(struct cx88_core *core)
+static void set_audio_standard_NICAM_L(struct cx88_core *core, int stereo)
{
- /* This is officially weird.. register dumps indicate windows
- * uses audio mode 4.. A2. Let's operate and find out. */
+ /* 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_PDF_DDS_CNST_BYTE2, 0x48 },
- { AUD_PDF_DDS_CNST_BYTE1, 0x3d },
- { AUD_PDF_DDS_CNST_BYTE0, 0xf5 },
- { AUD_QAM_MODE, 0x00 },
- { AUD_PHACC_FREQ_8MSB, 0x3a },
- { AUD_PHACC_FREQ_8LSB, 0x4a },
-
- { AUD_POLY0_DDS_CONSTANT, 0x000e4db2 },
- { AUD_IIR1_0_SEL, 0x00000000 },
- { AUD_IIR1_1_SEL, 0x00000002 },
- { AUD_IIR1_2_SEL, 0x00000023 },
- { AUD_IIR1_3_SEL, 0x00000004 },
- { AUD_IIR1_4_SEL, 0x00000005 },
- { AUD_IIR1_5_SEL, 0x00000007 },
- { AUD_IIR1_0_SHIFT, 0x00000007 },
- { AUD_IIR1_1_SHIFT, 0x00000000 },
- { AUD_IIR1_2_SHIFT, 0x00000000 },
- { AUD_IIR1_3_SHIFT, 0x00000007 },
- { AUD_IIR1_4_SHIFT, 0x00000007 },
- { AUD_IIR1_5_SHIFT, 0x00000007 },
- { AUD_IIR2_0_SEL, 0x00000002 },
- { AUD_IIR2_1_SEL, 0x00000003 },
- { AUD_IIR2_2_SEL, 0x00000004 },
- { AUD_IIR2_3_SEL, 0x00000005 },
- { AUD_IIR3_0_SEL, 0x00000007 },
- { AUD_IIR3_1_SEL, 0x00000023 },
- { AUD_IIR3_2_SEL, 0x00000016 },
- { AUD_IIR4_0_SHIFT, 0x00000000 },
- { AUD_IIR4_1_SHIFT, 0x00000000 },
- { AUD_IIR3_2_SHIFT, 0x00000002 },
- { AUD_IIR4_0_SEL, 0x0000001d },
- { AUD_IIR4_1_SEL, 0x00000019 },
- { AUD_IIR4_2_SEL, 0x00000008 },
- { AUD_IIR4_0_SHIFT, 0x00000000 },
- { AUD_IIR4_1_SHIFT, 0x00000007 },
- { AUD_IIR4_2_SHIFT, 0x00000007 },
- { AUD_IIR4_0_CA0, 0x0003e57e },
- { AUD_IIR4_0_CA1, 0x00005e11 },
- { AUD_IIR4_0_CA2, 0x0003a7cf },
- { AUD_IIR4_0_CB0, 0x00002368 },
- { AUD_IIR4_0_CB1, 0x0003bf1b },
- { AUD_IIR4_1_CA0, 0x00006349 },
- { AUD_IIR4_1_CA1, 0x00006f27 },
- { AUD_IIR4_1_CA2, 0x0000e7a3 },
- { AUD_IIR4_1_CB0, 0x00005653 },
- { AUD_IIR4_1_CB1, 0x0000cf97 },
- { AUD_IIR4_2_CA0, 0x00006349 },
- { AUD_IIR4_2_CA1, 0x00006f27 },
- { AUD_IIR4_2_CA2, 0x0000e7a3 },
- { AUD_IIR4_2_CB0, 0x00005653 },
- { AUD_IIR4_2_CB1, 0x0000cf97 },
- { AUD_HP_MD_IIR4_1, 0x00000001 },
- { AUD_HP_PROG_IIR4_1, 0x0000001a },
- { AUD_DN0_FREQ, 0x00000000 },
- { AUD_DN1_FREQ, 0x00003318 },
- { AUD_DN1_SRC_SEL, 0x00000017 },
- { AUD_DN1_SHFT, 0x00000007 },
- { AUD_DN1_AFC, 0x00000000 },
- { AUD_DN1_FREQ_SHIFT, 0x00000000 },
- { AUD_DN2_FREQ, 0x00003551 },
- { AUD_DN2_SRC_SEL, 0x00000001 },
- { AUD_DN2_SHFT, 0x00000000 },
- { AUD_DN2_AFC, 0x00000002 },
- { AUD_DN2_FREQ_SHIFT, 0x00000000 },
- { AUD_PDET_SRC, 0x00000014 },
- { AUD_PDET_SHIFT, 0x00000000 },
- { AUD_DEEMPH0_SRC_SEL, 0x00000011 },
- { AUD_DEEMPH1_SRC_SEL, 0x00000011 },
- { AUD_DEEMPH0_SHIFT, 0x00000000 },
- { AUD_DEEMPH1_SHIFT, 0x00000000 },
- { AUD_DEEMPH0_G0, 0x00007000 },
- { AUD_DEEMPH0_A0, 0x00000000 },
- { AUD_DEEMPH0_B0, 0x00000000 },
- { AUD_DEEMPH0_A1, 0x00000000 },
- { AUD_DEEMPH0_B1, 0x00000000 },
- { AUD_DEEMPH1_G0, 0x00007000 },
- { AUD_DEEMPH1_A0, 0x00000000 },
- { AUD_DEEMPH1_B0, 0x00000000 },
- { AUD_DEEMPH1_A1, 0x00000000 },
- { AUD_DEEMPH1_B1, 0x00000000 },
- { AUD_DMD_RA_DDS, 0x00f5c285 },
- { AUD_RATE_ADJ1, 0x00000100 },
- { AUD_RATE_ADJ2, 0x00000200 },
- { AUD_RATE_ADJ3, 0x00000300 },
- { AUD_RATE_ADJ4, 0x00000400 },
- { AUD_RATE_ADJ5, 0x00000500 },
- { AUD_C2_UP_THR, 0x00005400 },
- { AUD_C2_LO_THR, 0x00003000 },
- { AUD_C1_UP_THR, 0x00007000 },
- { AUD_C2_LO_THR, 0x00005400 },
- { AUD_CTL, 0x0000100c },
- { AUD_DCOC_0_SRC, 0x00000021 },
- { AUD_DCOC_1_SRC, 0x00000003 },
- { AUD_DCOC1_SHIFT, 0x00000000 },
- { AUD_DCOC_1_SHIFT_IN0, 0x0000000a },
- { AUD_DCOC_1_SHIFT_IN1, 0x00000008 },
- { AUD_DCOC_PASS_IN, 0x00000000 },
- { AUD_DCOC_2_SRC, 0x0000001b },
- { AUD_IIR4_0_SEL, 0x0000001d },
- { AUD_POLY0_DDS_CONSTANT, 0x000e4db2 },
- { AUD_PHASE_FIX_CTL, 0x00000000 },
- { AUD_CORDIC_SHIFT_1, 0x00000007 },
- { AUD_PLL_EN, 0x00000000 },
- { AUD_PLL_PRESCALE, 0x00000002 },
- { AUD_PLL_INT, 0x0000001e },
- { AUD_OUT1_SHIFT, 0x00000000 },
+ 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);
- { /* end of list */ },
- };
+}
- dprintk("%s (status: unknown)\n",__FUNCTION__);
- set_audio_start(core, 0x0004,
- 0 /* FIXME */);
- set_audio_registers(core, nicam_l);
+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);
}
set_audio_start(core, 0x0004, EN_DMTRX_SUMDIFF | EN_A2_AUTO_STEREO);
set_audio_registers(core, a2_common);
switch (core->tvaudio) {
- case WW_NICAM_I:
- /* gives at least mono according to the dscaler guys */
- /* so use use that while nicam is broken ... */
- dprintk("%s PAL-I mono (status: unknown)\n",__FUNCTION__);
- set_audio_registers(core, a2_table1);
- cx_write(AUD_CTL, EN_A2_FORCE_MONO1);
- break;
case WW_A2_BG:
dprintk("%s PAL-BG A2 (status: known-good)\n",__FUNCTION__);
set_audio_registers(core, a2_table1);
case WW_BTSC:
set_audio_standard_BTSC(core,0);
break;
- // case WW_NICAM_I:
case WW_NICAM_BGDKL:
- set_audio_standard_NICAM(core);
+ 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_FM(core);
break;
case WW_SYSTEM_L_AM:
- set_audio_standard_NICAM_L(core);
+ set_audio_standard_NICAM_L(core, 1);
break;
case WW_NONE:
default:
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"};
}
break;
case WW_NICAM_BGDKL:
- if (0 == mode)
+ 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:
- t->rxsubchans = V4L2_TUNER_SUB_MONO;
- t->audmode = V4L2_TUNER_MODE_MONO;
+ /* nothing */
break;
}
return;
}
-void cx88_set_stereo(struct cx88_core *core, u32 mode)
+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) {
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:
}
if (UNSET != ctl) {
- cx_write(AUD_SOFT_RESET, 0x0001);
- cx_andor(AUD_CTL, mask, ctl);
- cx_write(AUD_SOFT_RESET, 0x0000);
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;
}
{
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);
- msleep_interruptible(1000);
+
+ 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");
/* ----------------------------------------------------------- */
EXPORT_SYMBOL(cx88_set_tvaudio);
+EXPORT_SYMBOL(cx88_newstation);
EXPORT_SYMBOL(cx88_set_stereo);
EXPORT_SYMBOL(cx88_get_stereo);
EXPORT_SYMBOL(cx88_audio_thread);
git://git.onelab.eu / linux-2.6.git / blobdiff