diff options
| author | Sugar Zhang <sugar.zhang@rock-chips.com> | 2015-10-08 12:40:07 (GMT) |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-10-22 16:50:45 (GMT) |
| commit | 4c9c018b2ac72e6ffaeae472723023dc4fd99a88 (patch) | |
| tree | 8a1acce3305d20f833cc164b866d423ef7a299c9 /sound/soc/rockchip/rockchip_i2s.h | |
| parent | 13531520e3106e73474225b68b889e9dc7da329e (diff) | |
| download | linux-4c9c018b2ac72e6ffaeae472723023dc4fd99a88.tar.xz | |
ASoC: rockchip: i2s: add 8 channels capture support
support max 8 channels capture, please add property
'rockchip,capture-channels' in dts to enable this,
if not, support 2 channels capture default.
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/rockchip/rockchip_i2s.h')
| -rw-r--r-- | sound/soc/rockchip/rockchip_i2s.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/soc/rockchip/rockchip_i2s.h b/sound/soc/rockchip/rockchip_i2s.h index 93f456f..a54ee35 100644 --- a/sound/soc/rockchip/rockchip_i2s.h +++ b/sound/soc/rockchip/rockchip_i2s.h @@ -49,6 +49,9 @@ * RXCR * receive operation control register */ +#define I2S_RXCR_CSR_SHIFT 15 +#define I2S_RXCR_CSR(x) (x << I2S_RXCR_CSR_SHIFT) +#define I2S_RXCR_CSR_MASK (3 << I2S_RXCR_CSR_SHIFT) #define I2S_RXCR_HWT BIT(14) #define I2S_RXCR_SJM_SHIFT 12 #define I2S_RXCR_SJM_R (0 << I2S_RXCR_SJM_SHIFT) @@ -207,6 +210,13 @@ enum { ROCKCHIP_DIV_BCLK, }; +/* channel select */ +#define I2S_CSR_SHIFT 15 +#define I2S_CHN_2 (0 << I2S_CSR_SHIFT) +#define I2S_CHN_4 (1 << I2S_CSR_SHIFT) +#define I2S_CHN_6 (2 << I2S_CSR_SHIFT) +#define I2S_CHN_8 (3 << I2S_CSR_SHIFT) + /* I2S REGS */ #define I2S_TXCR (0x0000) #define I2S_RXCR (0x0004) |