platform-imx-ssi.c

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/*
 * Copyright (C) 2010 Pengutronix
 * Uwe Kleine-Koenig <[email protected]>
 *
 * 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_16K)
    imx51_imx_ssi_data_entry(0, 1),
    imx51_imx_ssi_data_entry(1, 2),
    imx51_imx_ssi_data_entry(2, 3),
};
#endif /* ifdef CONFIG_SOC_IMX51 */

#ifdef CONFIG_SOC_IMX53
const struct imx_imx_ssi_data imx53_imx_ssi_data[] __initconst = {
#define imx53_imx_ssi_data_entry(_id, _hwid)                \
    imx_imx_ssi_data_entry(MX53, _id, _hwid, SZ_16K)
    imx53_imx_ssi_data_entry(0, 1),
    imx53_imx_ssi_data_entry(1, 2),
    imx53_imx_ssi_data_entry(2, 3),
};
#endif /* ifdef CONFIG_SOC_IMX53 */

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));
}