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authorDmitri Belimov <d.belimov@gmail.com>2008-05-21 03:16:52 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-07-20 07:08:01 -0300
commitf808a9e3cefd577d96d43d308685468c0a03185e (patch)
treeb4a54ecff752ffde6d1d66408e05a658e85b5ea4 /drivers/media/video
parent53af158a901a32dd8639fbe03db5354ab711d8f0 (diff)
V4L/DVB (7976): I2S on for MPEG of saa7134_empress
Rework saa7134_enable_i2s function. Add vendor specific data. Add definition for I2S audio output control register. Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video')
-rw-r--r--drivers/media/video/saa7134/saa7134-reg.h1
-rw-r--r--drivers/media/video/saa7134/saa7134-tvaudio.c24
2 files changed, 19 insertions, 6 deletions
diff --git a/drivers/media/video/saa7134/saa7134-reg.h b/drivers/media/video/saa7134/saa7134-reg.h
index 86f5eefdb0f..258792c1784 100644
--- a/drivers/media/video/saa7134/saa7134-reg.h
+++ b/drivers/media/video/saa7134/saa7134-reg.h
@@ -353,6 +353,7 @@
/* I2S output */
#define SAA7134_I2S_AUDIO_OUTPUT 0x1c0
+#define SAA7134_I2S_AUDIO_CONTROL 0x591
/* test modes */
#define SAA7134_SPECIAL_MODE 0x1d0
diff --git a/drivers/media/video/saa7134/saa7134-tvaudio.c b/drivers/media/video/saa7134/saa7134-tvaudio.c
index 232af598d94..460d4a35e5f 100644
--- a/drivers/media/video/saa7134/saa7134-tvaudio.c
+++ b/drivers/media/video/saa7134/saa7134-tvaudio.c
@@ -873,13 +873,25 @@ void saa7134_enable_i2s(struct saa7134_dev *dev)
if (!card_is_empress(dev))
return;
- i2s_format = (dev->input->amux == TV) ? 0x00 : 0x01;
- /* enable I2S audio output for the mpeg encoder */
- saa_writeb(SAA7134_I2S_OUTPUT_SELECT, 0x80);
- saa_writeb(SAA7134_I2S_OUTPUT_FORMAT, i2s_format);
- saa_writeb(SAA7134_I2S_OUTPUT_LEVEL, 0x0F);
- saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x01);
+ switch (dev->board) {
+ case SAA7134_BOARD_BEHOLD_M6:
+ /* configure GPIO for out audio */
+ saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, 0x0E000000, 0x00000000);
+ /* Set I2S format */
+ saa_writeb(SAA7134_I2S_AUDIO_CONTROL, 0x00);
+ /* Start I2S */
+ saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x11);
+ break;
+ default:
+ i2s_format = (dev->input->amux == TV) ? 0x00 : 0x01;
+
+ /* enable I2S audio output for the mpeg encoder */
+ saa_writeb(SAA7134_I2S_OUTPUT_SELECT, 0x80);
+ saa_writeb(SAA7134_I2S_OUTPUT_FORMAT, i2s_format);
+ saa_writeb(SAA7134_I2S_OUTPUT_LEVEL, 0x0F);
+ saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x01);
+ }
}
int saa7134_tvaudio_rx2mode(u32 rx)