arch/arm/mach-imx/devices/platform-imx-ssi.c

   1 /*
   2  * Copyright (C) 2010 Pengutronix
   3  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under
   6  * the terms of the GNU General Public License version 2 as published by the
   7  * Free Software Foundation.
   8  */
   9 #include "../hardware.h"
  10 #include "devices-common.h"
  11
  12 #define imx_imx_ssi_data_entry(soc, _id, _hwid, _size)                  \
  13         [_id] = {                                                       \
  14                 .id = _id,                                              \
  15                 .iobase = soc ## _SSI ## _hwid ## _BASE_ADDR,           \
  16                 .iosize = _size,                                        \
  17                 .irq = soc ## _INT_SSI ## _hwid,                        \
  18                 .dmatx0 = soc ## _DMA_REQ_SSI ## _hwid ## _TX0,         \
  19                 .dmarx0 = soc ## _DMA_REQ_SSI ## _hwid ## _RX0,         \
  20                 .dmatx1 = soc ## _DMA_REQ_SSI ## _hwid ## _TX1,         \
  21                 .dmarx1 = soc ## _DMA_REQ_SSI ## _hwid ## _RX1,         \
  22         }
  23
  24 #ifdef CONFIG_SOC_IMX21
  25 const struct imx_imx_ssi_data imx21_imx_ssi_data[] __initconst = {
  26 #define imx21_imx_ssi_data_entry(_id, _hwid)                            \
  27         imx_imx_ssi_data_entry(MX21, _id, _hwid, SZ_4K)
  28         imx21_imx_ssi_data_entry(0, 1),
  29         imx21_imx_ssi_data_entry(1, 2),
  30 };
  31 #endif /* ifdef CONFIG_SOC_IMX21 */
  32
  33 #ifdef CONFIG_SOC_IMX25
  34 const struct imx_imx_ssi_data imx25_imx_ssi_data[] __initconst = {
  35 #define imx25_imx_ssi_data_entry(_id, _hwid)                            \
  36         imx_imx_ssi_data_entry(MX25, _id, _hwid, SZ_4K)
  37         imx25_imx_ssi_data_entry(0, 1),
  38         imx25_imx_ssi_data_entry(1, 2),
  39 };
  40 #endif /* ifdef CONFIG_SOC_IMX25 */
  41
  42 #ifdef CONFIG_SOC_IMX27
  43 const struct imx_imx_ssi_data imx27_imx_ssi_data[] __initconst = {
  44 #define imx27_imx_ssi_data_entry(_id, _hwid)                            \
  45         imx_imx_ssi_data_entry(MX27, _id, _hwid, SZ_4K)
  46         imx27_imx_ssi_data_entry(0, 1),
  47         imx27_imx_ssi_data_entry(1, 2),
  48 };
  49 #endif /* ifdef CONFIG_SOC_IMX27 */
  50
  51 #ifdef CONFIG_SOC_IMX31
  52 const struct imx_imx_ssi_data imx31_imx_ssi_data[] __initconst = {
  53 #define imx31_imx_ssi_data_entry(_id, _hwid)                            \
  54         imx_imx_ssi_data_entry(MX31, _id, _hwid, SZ_4K)
  55         imx31_imx_ssi_data_entry(0, 1),
  56         imx31_imx_ssi_data_entry(1, 2),
  57 };
  58 #endif /* ifdef CONFIG_SOC_IMX31 */
  59
  60 #ifdef CONFIG_SOC_IMX35
  61 const struct imx_imx_ssi_data imx35_imx_ssi_data[] __initconst = {
  62 #define imx35_imx_ssi_data_entry(_id, _hwid)                            \
  63         imx_imx_ssi_data_entry(MX35, _id, _hwid, SZ_4K)
  64         imx35_imx_ssi_data_entry(0, 1),
  65         imx35_imx_ssi_data_entry(1, 2),
  66 };
  67 #endif /* ifdef CONFIG_SOC_IMX35 */
  68
  69 struct platform_device *__init imx_add_imx_ssi(
  70                 const struct imx_imx_ssi_data *data,
  71                 const struct imx_ssi_platform_data *pdata)
  72 {
  73         struct resource res[] = {
  74                 {
  75                         .start = data->iobase,
  76                         .end = data->iobase + data->iosize - 1,
  77                         .flags = IORESOURCE_MEM,
  78                 }, {
  79                         .start = data->irq,
  80                         .end = data->irq,
  81                         .flags = IORESOURCE_IRQ,
  82                 },
  83 #define DMARES(_name) {                                                 \
  84         .name = #_name,                                                 \
  85         .start = data->dma ## _name,                                    \
  86         .end = data->dma ## _name,                                      \
  87         .flags = IORESOURCE_DMA,                                        \
  88 }
  89                 DMARES(tx0),
  90                 DMARES(rx0),
  91                 DMARES(tx1),
  92                 DMARES(rx1),
  93         };
  94
  95         return imx_add_platform_device("imx-ssi", data->id,
  96                         res, ARRAY_SIZE(res),
  97                         pdata, sizeof(*pdata));
  98 }