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platform-imx-ssi.c

/*
 * 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),
      imx51_imx_ssi_data_entry(2, 3),
};
#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));
}

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