diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2012-11-06 03:30:38 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-11-06 09:54:42 +0100 |
| commit | ab6f6d85210c4d0265cf48e9958c04e08595055a (patch) | |
| tree | 95a3371ac6700bc5b7d351b93a2190ec48e65416 /include/sound/sh_fsi.h | |
| parent | ASoC: fsi: care fsi_hw_start/stop() return value (diff) | |
| download | linux-ab6f6d85210c4d0265cf48e9958c04e08595055a.tar.xz linux-ab6f6d85210c4d0265cf48e9958c04e08595055a.zip | |
ASoC: fsi: add master clock control functions
Current FSI driver required set_rate() platform callback function
to set audio clock if it was master mode,
because it seemed that CPG/FSI-DIV clocks calculation depend on
platform/board/cpu.
But it was calculable regardless of platform.
This patch supports audio clock calculation method,
but the sampling rate under 32kHz is not supported at this point.
Old type set_rate() is still supported now,
but it will be deleted on next version
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'include/sound/sh_fsi.h')
| -rw-r--r-- | include/sound/sh_fsi.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/sound/sh_fsi.h b/include/sound/sh_fsi.h index 906010344dd7..27ee1dcc3e2e 100644 --- a/include/sound/sh_fsi.h +++ b/include/sound/sh_fsi.h @@ -26,6 +26,7 @@ * A: inversion * B: format mode * C: chip specific + * D: clock selecter if master mode */ /* A: clock inversion */ @@ -44,6 +45,11 @@ #define SH_FSI_OPTION_MASK 0x00000F00 #define SH_FSI_ENABLE_STREAM_MODE (1 << 8) /* for 16bit data */ +/* D: clock selecter if master mode */ +#define SH_FSI_CLK_MASK 0x0000F000 +#define SH_FSI_CLK_EXTERNAL (1 << 12) +#define SH_FSI_CLK_CPG (2 << 12) /* FSIxCK + FSI-DIV */ + /* * set_rate return value * |