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- /*
- * 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 <linux/platform_data/pinctrl-nomadik.h>
- #include <linux/platform_data/dma-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,
- },
- };
- 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);
- }
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