mach-crag6410-module.c

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/* Speyside modules for Cragganmore - board data probing
 *
 * Copyright 2011 Wolfson Microelectronics plc
 *  Mark Brown <[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 <linux/export.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>

#include <linux/mfd/wm831x/irq.h>
#include <linux/mfd/wm831x/gpio.h>
#include <linux/mfd/wm8994/pdata.h>
#include <linux/mfd/arizona/pdata.h>

#include <linux/regulator/machine.h>

#include <sound/wm5100.h>
#include <sound/wm8996.h>
#include <sound/wm8962.h>
#include <sound/wm9081.h>

#include <linux/platform_data/spi-s3c64xx.h>

#include <mach/crag6410.h>

static struct s3c64xx_spi_csinfo wm0010_spi_csinfo = {
    .line = S3C64XX_GPC(3),
};

static struct spi_board_info wm1253_devs[] = {
    [0] = {
        .modalias   = "wm0010",
        .bus_num    = 0,
        .chip_select    = 0,
        .mode       = SPI_MODE_0,
        .irq        = S3C_EINT(5),
        .controller_data = &wm0010_spi_csinfo,
    },
};

static struct wm5100_pdata wm5100_pdata = {
    .ldo_ena = S3C64XX_GPN(7),
    .irq_flags = IRQF_TRIGGER_HIGH,
    .gpio_base = CODEC_GPIO_BASE,

    .in_mode = {
        WM5100_IN_DIFF,
        WM5100_IN_DIFF,
        WM5100_IN_DIFF,
        WM5100_IN_SE,
    },

    .hp_pol = CODEC_GPIO_BASE + 3,
    .jack_modes = {
        { WM5100_MICDET_MICBIAS3, 0, 0 },
        { WM5100_MICDET_MICBIAS2, 1, 1 },
    },

    .gpio_defaults = {
        0,
        0,
        0,
        0,
        0x2, /* IRQ: CMOS output */
        0x3, /* CLKOUT: CMOS output */
    },
};

static struct wm8996_retune_mobile_config wm8996_retune[] = {
    {
        .name = "Sub LPF",
        .rate = 48000,
        .regs = {
            0x6318, 0x6300, 0x1000, 0x0000, 0x0004, 0x2000, 0xF000,
            0x0000, 0x0004, 0x2000, 0xF000, 0x0000, 0x0004, 0x2000,
            0xF000, 0x0000, 0x0004, 0x1000, 0x0800, 0x4000
        },
    },
    {
        .name = "Sub HPF",
        .rate = 48000,
        .regs = {
            0x000A, 0x6300, 0x1000, 0x0000, 0x0004, 0x2000, 0xF000,
            0x0000, 0x0004, 0x2000, 0xF000, 0x0000, 0x0004, 0x2000,
            0xF000, 0x0000, 0x0004, 0x1000, 0x0800, 0x4000
        },
    },
};

static struct wm8996_pdata wm8996_pdata __initdata = {
    .ldo_ena = S3C64XX_GPN(7),
    .gpio_base = CODEC_GPIO_BASE,
    .micdet_def = 1,
    .inl_mode = WM8996_DIFFERRENTIAL_1,
    .inr_mode = WM8996_DIFFERRENTIAL_1,

    .irq_flags = IRQF_TRIGGER_RISING,

    .gpio_default = {
        0x8001, /* GPIO1 == ADCLRCLK1 */
        0x8001, /* GPIO2 == ADCLRCLK2, input due to CPU */
        0x0141, /* GPIO3 == HP_SEL */
        0x0002, /* GPIO4 == IRQ */
        0x020e, /* GPIO5 == CLKOUT */
    },

    .retune_mobile_cfgs = wm8996_retune,
    .num_retune_mobile_cfgs = ARRAY_SIZE(wm8996_retune),
};

static struct wm8962_pdata wm8962_pdata __initdata = {
    .gpio_init = {
        0,
        WM8962_GPIO_FN_OPCLK,
        WM8962_GPIO_FN_DMICCLK,
        0,
        0x8000 | WM8962_GPIO_FN_DMICDAT,
        WM8962_GPIO_FN_IRQ,    /* Open drain mode */
    },
    .in4_dc_measure = true,
};

static struct wm9081_pdata wm9081_pdata __initdata = {
    .irq_high = false,
    .irq_cmos = false,
};

static const struct i2c_board_info wm1254_devs[] = {
    { I2C_BOARD_INFO("wm8996", 0x1a),
      .platform_data = &wm8996_pdata,
      .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
    },
    { I2C_BOARD_INFO("wm9081", 0x6c),
      .platform_data = &wm9081_pdata, },
};

static const struct i2c_board_info wm1255_devs[] = {
    { I2C_BOARD_INFO("wm5100", 0x1a),
      .platform_data = &wm5100_pdata,
      .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
    },
    { I2C_BOARD_INFO("wm9081", 0x6c),
      .platform_data = &wm9081_pdata, },
};

static const struct i2c_board_info wm1259_devs[] = {
    { I2C_BOARD_INFO("wm8962", 0x1a),
      .platform_data = &wm8962_pdata,
      .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
    },
};

static struct regulator_init_data wm8994_ldo1 = {
    .supply_regulator = "WALLVDD",
};

static struct regulator_init_data wm8994_ldo2 = {
    .supply_regulator = "WALLVDD",
};

static struct wm8994_pdata wm8994_pdata = {
    .gpio_base = CODEC_GPIO_BASE,
    .gpio_defaults = {
        0x3,          /* IRQ out, active high, CMOS */
    },
    .ldo = {
         { .init_data = &wm8994_ldo1, },
         { .init_data = &wm8994_ldo2, },
    },
};

static const struct i2c_board_info wm1277_devs[] = {
    { I2C_BOARD_INFO("wm8958", 0x1a),  /* WM8958 is the superset */
      .platform_data = &wm8994_pdata,
      .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
    },
};

static struct arizona_pdata wm5102_pdata = {
    .ldoena = S3C64XX_GPN(7),
    .gpio_base = CODEC_GPIO_BASE,
    .irq_active_high = true,
    .micd_pol_gpio = CODEC_GPIO_BASE + 4,
    .gpio_defaults = {
        [2] = 0x10000, /* AIF3TXLRCLK */
        [3] = 0x4,     /* OPCLK */
    },
};

static struct s3c64xx_spi_csinfo wm5102_spi_csinfo = {
    .line = S3C64XX_GPN(5),
};

static struct spi_board_info wm5102_spi_devs[] = {
    [0] = {
        .modalias   = "wm5102",
        .max_speed_hz   = 10 * 1000 * 1000,
        .bus_num    = 0,
        .chip_select    = 0,
        .mode       = SPI_MODE_0,
        .irq        = GLENFARCLAS_PMIC_IRQ_BASE +
                  WM831X_IRQ_GPIO_2,
        .controller_data = &wm5102_spi_csinfo,
        .platform_data = &wm5102_pdata,
    },
};

static const struct i2c_board_info wm6230_i2c_devs[] = {
    { I2C_BOARD_INFO("wm9081", 0x6c),
      .platform_data = &wm9081_pdata, },
};

static __devinitdata const struct {
    u8 id;
    const char *name;
    const struct i2c_board_info *i2c_devs;
    int num_i2c_devs;
    const struct spi_board_info *spi_devs;
    int num_spi_devs;
} gf_mods[] = {
    { .id = 0x01, .name = "1250-EV1 Springbank" },
    { .id = 0x02, .name = "1251-EV1 Jura" },
    { .id = 0x03, .name = "1252-EV1 Glenlivet" },
    { .id = 0x11, .name = "6249-EV2 Glenfarclas", },
    { .id = 0x14, .name = "6271-EV1 Lochnagar" },
    { .id = 0x15, .name = "6320-EV1 Bells",
      .i2c_devs = wm6230_i2c_devs,
      .num_i2c_devs = ARRAY_SIZE(wm6230_i2c_devs) },
    { .id = 0x21, .name = "1275-EV1 Mortlach" },
    { .id = 0x25, .name = "1274-EV1 Glencadam" },
    { .id = 0x31, .name = "1253-EV1 Tomatin",
      .spi_devs = wm1253_devs, .num_spi_devs = ARRAY_SIZE(wm1253_devs) },
    { .id = 0x32, .name = "XXXX-EV1 Caol Illa" },
    { .id = 0x33, .name = "XXXX-EV1 Oban" },
    { .id = 0x34, .name = "WM0010-6320-CS42 Balblair" },
    { .id = 0x39, .name = "1254-EV1 Dallas Dhu",
      .i2c_devs = wm1254_devs, .num_i2c_devs = ARRAY_SIZE(wm1254_devs) },
    { .id = 0x3a, .name = "1259-EV1 Tobermory",
      .i2c_devs = wm1259_devs, .num_i2c_devs = ARRAY_SIZE(wm1259_devs) },
    { .id = 0x3b, .name = "1255-EV1 Kilchoman",
      .i2c_devs = wm1255_devs, .num_i2c_devs = ARRAY_SIZE(wm1255_devs) },
    { .id = 0x3c, .name = "1273-EV1 Longmorn" },
    { .id = 0x3d, .name = "1277-EV1 Littlemill",
      .i2c_devs = wm1277_devs, .num_i2c_devs = ARRAY_SIZE(wm1277_devs) },
    { .id = 0x3e, .name = "WM5102-6271-EV1-CS127 Amrut",
      .spi_devs = wm5102_spi_devs,
      .num_spi_devs = ARRAY_SIZE(wm5102_spi_devs) },
};

static __devinit int wlf_gf_module_probe(struct i2c_client *i2c,
                     const struct i2c_device_id *i2c_id)
{
    int ret, i, j, id, rev;

    ret = i2c_smbus_read_byte_data(i2c, 0);
    if (ret < 0) {
        dev_err(&i2c->dev, "Failed to read ID: %d\n", ret);
        return ret;
    }

    id = (ret & 0xfe) >> 2;
    rev = ret & 0x3;
    for (i = 0; i < ARRAY_SIZE(gf_mods); i++)
        if (id == gf_mods[i].id)
            break;

    if (i < ARRAY_SIZE(gf_mods)) {
        dev_info(&i2c->dev, "%s revision %d\n",
             gf_mods[i].name, rev + 1);

        for (j = 0; j < gf_mods[i].num_i2c_devs; j++) {
            if (!i2c_new_device(i2c->adapter,
                        &(gf_mods[i].i2c_devs[j])))
                dev_err(&i2c->dev,
                    "Failed to register dev: %d\n", ret);
        }

        spi_register_board_info(gf_mods[i].spi_devs,
                    gf_mods[i].num_spi_devs);
    } else {
        dev_warn(&i2c->dev, "Unknown module ID 0x%x revision %d\n",
             id, rev + 1);
    }

    return 0;
}

static const struct i2c_device_id wlf_gf_module_id[] = {
    { "wlf-gf-module", 0 },
    { }
};

static struct i2c_driver wlf_gf_module_driver = {
    .driver = {
        .name = "wlf-gf-module",
        .owner = THIS_MODULE,
    },
    .probe = wlf_gf_module_probe,
    .id_table = wlf_gf_module_id,
};

static int __init wlf_gf_module_register(void)
{
    return i2c_add_driver(&wlf_gf_module_driver);
}
module_init(wlf_gf_module_register);