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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>
This commit is contained in:
Matt Porter 2012-10-17 16:08:04 +02:00 committed by Mark Brown
parent b8ec56d8ea
commit 88abfd5b84
1 changed files with 14 additions and 10 deletions
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24
arch/arm/mach-davinci/board-da850-evm.c
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@ -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);