mirror of
https://github.com/torvalds/linux.git
synced 2024-12-21 10:31:54 +00:00
98b68ab5ce
STEDMA40_*_TO_* direction definitions are identical in all but name to the pre-defined generic DMA_*_TO_* ones. Let's make things easy by not duplicating such things. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
133 lines
3.2 KiB
C
133 lines
3.2 KiB
C
/*
|
|
* 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 "devices.h"
|
|
#include "irqs.h"
|
|
#include <linux/platform_data/asoc-ux500-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 = DMA_DEV_TO_MEM,
|
|
.dev_type = DB8500_DMA_DEV31_MSP0_SLIM0_CH0,
|
|
};
|
|
|
|
static struct stedma40_chan_cfg msp0_dma_tx = {
|
|
.high_priority = true,
|
|
.dir = DMA_MEM_TO_DEV,
|
|
.dev_type = DB8500_DMA_DEV31_MSP0_SLIM0_CH0,
|
|
};
|
|
|
|
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 = DMA_DEV_TO_MEM,
|
|
.dev_type = DB8500_DMA_DEV30_MSP3,
|
|
};
|
|
|
|
static struct stedma40_chan_cfg msp1_dma_tx = {
|
|
.high_priority = true,
|
|
.dir = DMA_MEM_TO_DEV,
|
|
.dev_type = DB8500_DMA_DEV30_MSP1,
|
|
};
|
|
|
|
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 = DMA_DEV_TO_MEM,
|
|
.dev_type = DB8500_DMA_DEV14_MSP2,
|
|
};
|
|
|
|
static struct stedma40_chan_cfg msp2_dma_tx = {
|
|
.high_priority = true,
|
|
.dir = DMA_MEM_TO_DEV,
|
|
.dev_type = DB8500_DMA_DEV14_MSP2,
|
|
.use_fixed_channel = true,
|
|
.phy_channel = 1,
|
|
};
|
|
|
|
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);
|
|
}
|