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path: root/drivers/media/video/cx88/cx88-tvaudio.c
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Diffstat (limited to 'drivers/media/video/cx88/cx88-tvaudio.c')
-rw-r--r--drivers/media/video/cx88/cx88-tvaudio.c103
1 files changed, 63 insertions, 40 deletions
diff --git a/drivers/media/video/cx88/cx88-tvaudio.c b/drivers/media/video/cx88/cx88-tvaudio.c
index f2a9475a2fe..46d78b1dc9b 100644
--- a/drivers/media/video/cx88/cx88-tvaudio.c
+++ b/drivers/media/video/cx88/cx88-tvaudio.c
@@ -1,5 +1,5 @@
/*
- $Id: cx88-tvaudio.c,v 1.34 2005/03/07 16:10:51 kraxel Exp $
+ $Id: cx88-tvaudio.c,v 1.36 2005/06/05 05:53:45 mchehab Exp $
cx88x-audio.c - Conexant CX23880/23881 audio downstream driver driver
@@ -127,7 +127,8 @@ static void set_audio_start(struct cx88_core *core,
cx_write(AUD_VOL_CTL, (1 << 6));
// increase level of input by 12dB
- cx_write(AUD_AFE_12DB_EN, 0x0001);
+// cx_write(AUD_AFE_12DB_EN, 0x0001);
+ cx_write(AUD_AFE_12DB_EN, 0x0000);
// start programming
cx_write(AUD_CTL, 0x0000);
@@ -143,9 +144,15 @@ static void set_audio_finish(struct cx88_core *core)
u32 volume;
if (cx88_boards[core->board].blackbird) {
+ // sets sound input from external adc
+ cx_set(AUD_CTL, EN_I2SIN_ENABLE);
+ //cx_write(AUD_I2SINPUTCNTL, 0);
+ 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, 0x2000);
+ 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);
}
@@ -707,50 +714,65 @@ static void set_audio_standard_EIAJ(struct cx88_core *core)
set_audio_finish(core);
}
-static void set_audio_standard_FM(struct cx88_core *core)
+static void set_audio_standard_FM(struct cx88_core *core, enum cx88_deemph_type deemph)
{
-#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);
+ 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 */ },
+ };
- break;
+ /* It is enough to leave default values? */
+ static const struct rlist fm_no_deemph[] = {
- 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);
+ { AUD_POLYPH80SCALEFAC, 0x0003},
+ { /* end of list */ },
+ };
- 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);
+ dprintk("%s (status: unknown)\n",__FUNCTION__);
+ set_audio_start(core, 0x0020, EN_FMRADIO_AUTO_STEREO);
+ switch (deemph)
+ {
+ case FM_NO_DEEMPH:
+ set_audio_registers(core, fm_no_deemph);
break;
- }
-#endif
- dprintk("%s (status: unknown)\n",__FUNCTION__);
- set_audio_start(core, 0x0020, EN_FMRADIO_AUTO_STEREO);
+ case FM_DEEMPH_50:
+ set_audio_registers(core, fm_deemph_50);
+ break;
- // AB: 10/2/01: this register is not being reset appropriately on occasion.
- cx_write(AUD_POLYPH80SCALEFAC,3);
+ case FM_DEEMPH_75:
+ set_audio_registers(core, fm_deemph_75);
+ break;
+ }
set_audio_finish(core);
}
@@ -778,7 +800,7 @@ void cx88_set_tvaudio(struct cx88_core *core)
set_audio_standard_EIAJ(core);
break;
case WW_FM:
- set_audio_standard_FM(core);
+ set_audio_standard_FM(core,FM_NO_DEEMPH);
break;
case WW_SYSTEM_L_AM:
set_audio_standard_NICAM_L(core, 1);
@@ -1029,4 +1051,5 @@ 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
*/