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Diffstat (limited to 'arch/arm/mach-ux500/board-mop500-audio.c')
-rw-r--r--arch/arm/mach-ux500/board-mop500-audio.c195
1 files changed, 195 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/board-mop500-audio.c b/arch/arm/mach-ux500/board-mop500-audio.c
new file mode 100644
index 000000000000..070629a95625
--- /dev/null
+++ b/arch/arm/mach-ux500/board-mop500-audio.c
@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License terms: GNU General Public License (GPL), version 2
+ */
+
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/gpio.h>
+
+#include <plat/gpio-nomadik.h>
+#include <plat/pincfg.h>
+#include <plat/ste_dma40.h>
+
+#include <mach/devices.h>
+#include <mach/hardware.h>
+#include <mach/irqs.h>
+#include <mach/msp.h>
+
+#include "ste-dma40-db8500.h"
+#include "board-mop500.h"
+#include "devices-db8500.h"
+#include "pins-db8500.h"
+
+static struct stedma40_chan_cfg msp0_dma_rx = {
+ .high_priority = true,
+ .dir = STEDMA40_PERIPH_TO_MEM,
+
+ .src_dev_type = DB8500_DMA_DEV31_MSP0_RX_SLIM0_CH0_RX,
+ .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
+
+ .src_info.psize = STEDMA40_PSIZE_LOG_4,
+ .dst_info.psize = STEDMA40_PSIZE_LOG_4,
+
+ /* data_width is set during configuration */
+};
+
+static struct stedma40_chan_cfg msp0_dma_tx = {
+ .high_priority = true,
+ .dir = STEDMA40_MEM_TO_PERIPH,
+
+ .src_dev_type = STEDMA40_DEV_DST_MEMORY,
+ .dst_dev_type = DB8500_DMA_DEV31_MSP0_TX_SLIM0_CH0_TX,
+
+ .src_info.psize = STEDMA40_PSIZE_LOG_4,
+ .dst_info.psize = STEDMA40_PSIZE_LOG_4,
+
+ /* data_width is set during configuration */
+};
+
+struct msp_i2s_platform_data msp0_platform_data = {
+ .id = MSP_I2S_0,
+ .msp_i2s_dma_rx = &msp0_dma_rx,
+ .msp_i2s_dma_tx = &msp0_dma_tx,
+};
+
+static struct stedma40_chan_cfg msp1_dma_rx = {
+ .high_priority = true,
+ .dir = STEDMA40_PERIPH_TO_MEM,
+
+ .src_dev_type = DB8500_DMA_DEV30_MSP3_RX,
+ .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
+
+ .src_info.psize = STEDMA40_PSIZE_LOG_4,
+ .dst_info.psize = STEDMA40_PSIZE_LOG_4,
+
+ /* data_width is set during configuration */
+};
+
+static struct stedma40_chan_cfg msp1_dma_tx = {
+ .high_priority = true,
+ .dir = STEDMA40_MEM_TO_PERIPH,
+
+ .src_dev_type = STEDMA40_DEV_DST_MEMORY,
+ .dst_dev_type = DB8500_DMA_DEV30_MSP1_TX,
+
+ .src_info.psize = STEDMA40_PSIZE_LOG_4,
+ .dst_info.psize = STEDMA40_PSIZE_LOG_4,
+
+ /* data_width is set during configuration */
+};
+
+struct msp_i2s_platform_data msp1_platform_data = {
+ .id = MSP_I2S_1,
+ .msp_i2s_dma_rx = NULL,
+ .msp_i2s_dma_tx = &msp1_dma_tx,
+};
+
+static struct stedma40_chan_cfg msp2_dma_rx = {
+ .high_priority = true,
+ .dir = STEDMA40_PERIPH_TO_MEM,
+
+ .src_dev_type = DB8500_DMA_DEV14_MSP2_RX,
+ .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
+
+ /* MSP2 DMA doesn't work with PSIZE == 4 on DB8500v2 */
+ .src_info.psize = STEDMA40_PSIZE_LOG_1,
+ .dst_info.psize = STEDMA40_PSIZE_LOG_1,
+
+ /* data_width is set during configuration */
+};
+
+static struct stedma40_chan_cfg msp2_dma_tx = {
+ .high_priority = true,
+ .dir = STEDMA40_MEM_TO_PERIPH,
+
+ .src_dev_type = STEDMA40_DEV_DST_MEMORY,
+ .dst_dev_type = DB8500_DMA_DEV14_MSP2_TX,
+
+ .src_info.psize = STEDMA40_PSIZE_LOG_4,
+ .dst_info.psize = STEDMA40_PSIZE_LOG_4,
+
+ .use_fixed_channel = true,
+ .phy_channel = 1,
+
+ /* data_width is set during configuration */
+};
+
+static struct platform_device *db8500_add_msp_i2s(struct device *parent,
+ int id,
+ resource_size_t base, int irq,
+ struct msp_i2s_platform_data *pdata)
+{
+ struct platform_device *pdev;
+ struct resource res[] = {
+ DEFINE_RES_MEM(base, SZ_4K),
+ DEFINE_RES_IRQ(irq),
+ };
+
+ pr_info("Register platform-device 'ux500-msp-i2s', id %d, irq %d\n",
+ id, irq);
+ pdev = platform_device_register_resndata(parent, "ux500-msp-i2s", id,
+ res, ARRAY_SIZE(res),
+ pdata, sizeof(*pdata));
+ if (!pdev) {
+ pr_err("Failed to register platform-device 'ux500-msp-i2s.%d'!\n",
+ id);
+ return NULL;
+ }
+
+ return pdev;
+}
+
+/* Platform device for ASoC MOP500 machine */
+static struct platform_device snd_soc_mop500 = {
+ .name = "snd-soc-mop500",
+ .id = 0,
+ .dev = {
+ .platform_data = NULL,
+ },
+};
+
+/* Platform device for Ux500-PCM */
+static struct platform_device ux500_pcm = {
+ .name = "ux500-pcm",
+ .id = 0,
+ .dev = {
+ .platform_data = NULL,
+ },
+};
+
+struct msp_i2s_platform_data msp2_platform_data = {
+ .id = MSP_I2S_2,
+ .msp_i2s_dma_rx = &msp2_dma_rx,
+ .msp_i2s_dma_tx = &msp2_dma_tx,
+};
+
+struct msp_i2s_platform_data msp3_platform_data = {
+ .id = MSP_I2S_3,
+ .msp_i2s_dma_rx = &msp1_dma_rx,
+ .msp_i2s_dma_tx = NULL,
+};
+
+void mop500_audio_init(struct device *parent)
+{
+ pr_info("%s: Register platform-device 'snd-soc-mop500'.\n", __func__);
+ platform_device_register(&snd_soc_mop500);
+
+ pr_info("Initialize MSP I2S-devices.\n");
+ db8500_add_msp_i2s(parent, 0, U8500_MSP0_BASE, IRQ_DB8500_MSP0,
+ &msp0_platform_data);
+ db8500_add_msp_i2s(parent, 1, U8500_MSP1_BASE, IRQ_DB8500_MSP1,
+ &msp1_platform_data);
+ db8500_add_msp_i2s(parent, 2, U8500_MSP2_BASE, IRQ_DB8500_MSP2,
+ &msp2_platform_data);
+ db8500_add_msp_i2s(parent, 3, U8500_MSP3_BASE, IRQ_DB8500_MSP1,
+ &msp3_platform_data);
+}
+
+/* Due for removal once the MSP driver has been fully DT:ed. */
+void mop500_of_audio_init(struct device *parent)
+{
+ pr_info("%s: Register platform-device 'ux500-pcm'\n", __func__);
+ platform_device_register(&ux500_pcm);
+}