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authorMatt Porter <mporter@ti.com>2012-10-17 16:08:04 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-10-22 14:58:35 +0100
commit88abfd5b84cc98c839fb7783c59b4c79d63d45e2 (patch)
treef352c7fe0f71aefb0e66a41c085f9d337be42b7c /arch/arm/mach-davinci
parentb8ec56d8eabc6382bd6586024138d9f1d1121ceb (diff)
ARM: davinci: enable SRAM ping ping buffering on DA850
Passes the DA850 shared SRAM gen_pool to the McASP driver and enables the ping-pong buffer DMA support. Signed-off-by: Matt Porter <mporter@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'arch/arm/mach-davinci')
-rw-r--r--arch/arm/mach-davinci/board-da850-evm.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 32ee3f89596..d9bc3fa7bb2 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -762,16 +762,19 @@ static u8 da850_iis_serializer_direction[] = {
};
static struct snd_platform_data da850_evm_snd_data = {
- .tx_dma_offset = 0x2000,
- .rx_dma_offset = 0x2000,
- .op_mode = DAVINCI_MCASP_IIS_MODE,
- .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
- .tdm_slots = 2,
- .serial_dir = da850_iis_serializer_direction,
- .asp_chan_q = EVENTQ_0,
- .version = MCASP_VERSION_2,
- .txnumevt = 1,
- .rxnumevt = 1,
+ .tx_dma_offset = 0x2000,
+ .rx_dma_offset = 0x2000,
+ .op_mode = DAVINCI_MCASP_IIS_MODE,
+ .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
+ .tdm_slots = 2,
+ .serial_dir = da850_iis_serializer_direction,
+ .asp_chan_q = EVENTQ_0,
+ .ram_chan_q = EVENTQ_1,
+ .version = MCASP_VERSION_2,
+ .txnumevt = 1,
+ .rxnumevt = 1,
+ .sram_size_playback = SZ_8K,
+ .sram_size_capture = SZ_8K,
};
static const short da850_evm_mcasp_pins[] __initconst = {
@@ -1509,6 +1512,7 @@ static __init void da850_evm_init(void)
pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
ret);
+ da850_evm_snd_data.sram_pool = sram_get_gen_pool();
da8xx_register_mcasp(0, &da850_evm_snd_data);
ret = davinci_cfg_reg_list(da850_lcdcntl_pins);