From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Porter Subject: [PATCH 2/2] ARM: davinci: enable SRAM ping ping buffering on DA850 Date: Thu, 4 Oct 2012 06:15:45 -0400 Message-ID: <1349345745-10584-3-git-send-email-mporter@ti.com> References: <1349345745-10584-1-git-send-email-mporter@ti.com> Return-path: In-Reply-To: <1349345745-10584-1-git-send-email-mporter@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: Mark Brown , gururaja.hebbar@ti.com, Sekhar Nori Cc: Linux Kernel Mailing List , Alsa Devel List , Linux DaVinci Kernel List , Ben Gardiner , Daniel Mack List-Id: alsa-devel@alsa-project.org Passes the DA850 shared SRAM gen_pool to the McASP driver and enables the ping-pong buffer DMA support. Signed-off-by: Matt Porter --- arch/arm/mach-davinci/board-da850-evm.c | 24 ++++++++++++++---------- 1 file 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 acc6e84..c14ca9d 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -750,16 +750,19 @@ 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 = { @@ -1338,6 +1341,7 @@ 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); -- 1.7.9.5