original_kernel/arch/arm/plat-mxc/devices/platform-imx-ssi.c

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/*
* Copyright (C) 2010 Pengutronix
* Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2 as published by the
* Free Software Foundation.
*/
#include <mach/hardware.h>
#include <mach/devices-common.h>
#define imx_imx_ssi_data_entry(soc, _id, _hwid, _size) \
[_id] = { \
.id = _id, \
.iobase = soc ## _SSI ## _hwid ## _BASE_ADDR, \
.iosize = _size, \
.irq = soc ## _INT_SSI ## _hwid, \
.dmatx0 = soc ## _DMA_REQ_SSI ## _hwid ## _TX0, \
.dmarx0 = soc ## _DMA_REQ_SSI ## _hwid ## _RX0, \
.dmatx1 = soc ## _DMA_REQ_SSI ## _hwid ## _TX1, \
.dmarx1 = soc ## _DMA_REQ_SSI ## _hwid ## _RX1, \
}
#ifdef CONFIG_SOC_IMX21
const struct imx_imx_ssi_data imx21_imx_ssi_data[] __initconst = {
#define imx21_imx_ssi_data_entry(_id, _hwid) \
imx_imx_ssi_data_entry(MX21, _id, _hwid, SZ_4K)
imx21_imx_ssi_data_entry(0, 1),
imx21_imx_ssi_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX21 */
#ifdef CONFIG_SOC_IMX25
const struct imx_imx_ssi_data imx25_imx_ssi_data[] __initconst = {
#define imx25_imx_ssi_data_entry(_id, _hwid) \
imx_imx_ssi_data_entry(MX25, _id, _hwid, SZ_4K)
imx25_imx_ssi_data_entry(0, 1),
imx25_imx_ssi_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX25 */
#ifdef CONFIG_SOC_IMX27
const struct imx_imx_ssi_data imx27_imx_ssi_data[] __initconst = {
#define imx27_imx_ssi_data_entry(_id, _hwid) \
imx_imx_ssi_data_entry(MX27, _id, _hwid, SZ_4K)
imx27_imx_ssi_data_entry(0, 1),
imx27_imx_ssi_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX27 */
#ifdef CONFIG_SOC_IMX31
const struct imx_imx_ssi_data imx31_imx_ssi_data[] __initconst = {
#define imx31_imx_ssi_data_entry(_id, _hwid) \
imx_imx_ssi_data_entry(MX31, _id, _hwid, SZ_4K)
imx31_imx_ssi_data_entry(0, 1),
imx31_imx_ssi_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX31 */
#ifdef CONFIG_SOC_IMX35
const struct imx_imx_ssi_data imx35_imx_ssi_data[] __initconst = {
#define imx35_imx_ssi_data_entry(_id, _hwid) \
imx_imx_ssi_data_entry(MX35, _id, _hwid, SZ_4K)
imx35_imx_ssi_data_entry(0, 1),
imx35_imx_ssi_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX35 */
#ifdef CONFIG_SOC_IMX51
const struct imx_imx_ssi_data imx51_imx_ssi_data[] __initconst = {
#define imx51_imx_ssi_data_entry(_id, _hwid) \
imx_imx_ssi_data_entry(MX51, _id, _hwid, SZ_4K)
imx51_imx_ssi_data_entry(0, 1),
imx51_imx_ssi_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX51 */
struct platform_device *__init imx_add_imx_ssi(
const struct imx_imx_ssi_data *data,
const struct imx_ssi_platform_data *pdata)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + data->iosize - 1,
.flags = IORESOURCE_MEM,
}, {
.start = data->irq,
.end = data->irq,
.flags = IORESOURCE_IRQ,
},
#define DMARES(_name) { \
.name = #_name, \
.start = data->dma ## _name, \
.end = data->dma ## _name, \
.flags = IORESOURCE_DMA, \
}
DMARES(tx0),
DMARES(rx0),
DMARES(tx1),
DMARES(rx1),
};
return imx_add_platform_device("imx-ssi", data->id,
res, ARRAY_SIZE(res),
pdata, sizeof(*pdata));
}