From: Dmitri Belimov Date: Wed, 21 May 2008 06:16:52 +0000 (-0300) Subject: V4L/DVB (7976): I2S on for MPEG of saa7134_empress X-Git-Tag: firefly_0821_release~19561^2~250 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f808a9e3cefd577d96d43d308685468c0a03185e;p=firefly-linux-kernel-4.4.55.git 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 Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/saa7134/saa7134-reg.h b/drivers/media/video/saa7134/saa7134-reg.h index 86f5eefdb0f6..258792c1784e 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 232af598d947..460d4a35e5f1 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)