132 lines
3.2 KiB
C
132 lines
3.2 KiB
C
/*
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* Copyright (C) ST-Ericsson SA 2010
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*
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* License terms: GNU General Public License (GPL), version 2
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*/
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#include <linux/platform_device.h>
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#include <linux/init.h>
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#include <linux/gpio.h>
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#include <linux/platform_data/pinctrl-nomadik.h>
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#include <linux/platform_data/dma-ste-dma40.h>
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#include "devices.h"
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#include "irqs.h"
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#include <linux/platform_data/asoc-ux500-msp.h>
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#include "ste-dma40-db8500.h"
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#include "board-mop500.h"
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#include "devices-db8500.h"
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static struct stedma40_chan_cfg msp0_dma_rx = {
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.high_priority = true,
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.dir = DMA_DEV_TO_MEM,
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.dev_type = DB8500_DMA_DEV31_MSP0_SLIM0_CH0,
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};
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static struct stedma40_chan_cfg msp0_dma_tx = {
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.high_priority = true,
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.dir = DMA_MEM_TO_DEV,
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.dev_type = DB8500_DMA_DEV31_MSP0_SLIM0_CH0,
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};
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struct msp_i2s_platform_data msp0_platform_data = {
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.id = MSP_I2S_0,
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.msp_i2s_dma_rx = &msp0_dma_rx,
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.msp_i2s_dma_tx = &msp0_dma_tx,
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};
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static struct stedma40_chan_cfg msp1_dma_rx = {
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.high_priority = true,
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.dir = DMA_DEV_TO_MEM,
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.dev_type = DB8500_DMA_DEV30_MSP3,
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};
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static struct stedma40_chan_cfg msp1_dma_tx = {
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.high_priority = true,
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.dir = DMA_MEM_TO_DEV,
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.dev_type = DB8500_DMA_DEV30_MSP1,
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};
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struct msp_i2s_platform_data msp1_platform_data = {
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.id = MSP_I2S_1,
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.msp_i2s_dma_rx = NULL,
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.msp_i2s_dma_tx = &msp1_dma_tx,
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};
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static struct stedma40_chan_cfg msp2_dma_rx = {
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.high_priority = true,
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.dir = DMA_DEV_TO_MEM,
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.dev_type = DB8500_DMA_DEV14_MSP2,
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};
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static struct stedma40_chan_cfg msp2_dma_tx = {
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.high_priority = true,
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.dir = DMA_MEM_TO_DEV,
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.dev_type = DB8500_DMA_DEV14_MSP2,
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.use_fixed_channel = true,
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.phy_channel = 1,
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};
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static struct platform_device *db8500_add_msp_i2s(struct device *parent,
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int id,
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resource_size_t base, int irq,
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struct msp_i2s_platform_data *pdata)
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{
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struct platform_device *pdev;
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struct resource res[] = {
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DEFINE_RES_MEM(base, SZ_4K),
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DEFINE_RES_IRQ(irq),
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};
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pr_info("Register platform-device 'ux500-msp-i2s', id %d, irq %d\n",
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id, irq);
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pdev = platform_device_register_resndata(parent, "ux500-msp-i2s", id,
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res, ARRAY_SIZE(res),
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pdata, sizeof(*pdata));
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if (!pdev) {
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pr_err("Failed to register platform-device 'ux500-msp-i2s.%d'!\n",
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id);
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return NULL;
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}
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return pdev;
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}
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/* Platform device for ASoC MOP500 machine */
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static struct platform_device snd_soc_mop500 = {
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.name = "snd-soc-mop500",
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.id = 0,
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.dev = {
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.platform_data = NULL,
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},
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};
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struct msp_i2s_platform_data msp2_platform_data = {
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.id = MSP_I2S_2,
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.msp_i2s_dma_rx = &msp2_dma_rx,
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.msp_i2s_dma_tx = &msp2_dma_tx,
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};
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struct msp_i2s_platform_data msp3_platform_data = {
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.id = MSP_I2S_3,
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.msp_i2s_dma_rx = &msp1_dma_rx,
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.msp_i2s_dma_tx = NULL,
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};
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void mop500_audio_init(struct device *parent)
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{
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pr_info("%s: Register platform-device 'snd-soc-mop500'.\n", __func__);
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platform_device_register(&snd_soc_mop500);
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pr_info("Initialize MSP I2S-devices.\n");
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db8500_add_msp_i2s(parent, 0, U8500_MSP0_BASE, IRQ_DB8500_MSP0,
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&msp0_platform_data);
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db8500_add_msp_i2s(parent, 1, U8500_MSP1_BASE, IRQ_DB8500_MSP1,
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&msp1_platform_data);
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db8500_add_msp_i2s(parent, 2, U8500_MSP2_BASE, IRQ_DB8500_MSP2,
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&msp2_platform_data);
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db8500_add_msp_i2s(parent, 3, U8500_MSP3_BASE, IRQ_DB8500_MSP1,
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&msp3_platform_data);
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}
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