arch/arm/mach-s3c64xx/mach-crag6410-module.c

   1 /* Speyside modules for Cragganmore - board data probing
   2  *
   3  * Copyright 2011 Wolfson Microelectronics plc
   4  *      Mark Brown <broonie@opensource.wolfsonmicro.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/module.h>
  12 #include <linux/interrupt.h>
  13 #include <linux/i2c.h>
  14
  15 #include <linux/mfd/wm831x/irq.h>
  16 #include <linux/mfd/wm831x/gpio.h>
  17
  18 #include <sound/wm8996.h>
  19 #include <sound/wm8962.h>
  20 #include <sound/wm9081.h>
  21
  22 #include <mach/crag6410.h>
  23
  24 static struct wm8996_retune_mobile_config wm8996_retune[] = {
  25         {
  26                 .name = "Sub LPF",
  27                 .rate = 48000,
  28                 .regs = {
  29                         0x6318, 0x6300, 0x1000, 0x0000, 0x0004, 0x2000, 0xF000,
  30                         0x0000, 0x0004, 0x2000, 0xF000, 0x0000, 0x0004, 0x2000,
  31                         0xF000, 0x0000, 0x0004, 0x1000, 0x0800, 0x4000
  32                 },
  33         },
  34         {
  35                 .name = "Sub HPF",
  36                 .rate = 48000,
  37                 .regs = {
  38                         0x000A, 0x6300, 0x1000, 0x0000, 0x0004, 0x2000, 0xF000,
  39                         0x0000, 0x0004, 0x2000, 0xF000, 0x0000, 0x0004, 0x2000,
  40                         0xF000, 0x0000, 0x0004, 0x1000, 0x0800, 0x4000
  41                 },
  42         },
  43 };
  44
  45 static struct wm8996_pdata wm8996_pdata __initdata = {
  46         .ldo_ena = S3C64XX_GPN(7),
  47         .gpio_base = CODEC_GPIO_BASE,
  48         .micdet_def = 1,
  49         .inl_mode = WM8996_DIFFERRENTIAL_1,
  50         .inr_mode = WM8996_DIFFERRENTIAL_1,
  51
  52         .irq_flags = IRQF_TRIGGER_RISING,
  53
  54         .gpio_default = {
  55                 0x8001, /* GPIO1 == ADCLRCLK1 */
  56                 0x8001, /* GPIO2 == ADCLRCLK2, input due to CPU */
  57                 0x0141, /* GPIO3 == HP_SEL */
  58                 0x0002, /* GPIO4 == IRQ */
  59                 0x020e, /* GPIO5 == CLKOUT */
  60         },
  61
  62         .retune_mobile_cfgs = wm8996_retune,
  63         .num_retune_mobile_cfgs = ARRAY_SIZE(wm8996_retune),
  64 };
  65
  66 static struct wm8962_pdata wm8962_pdata __initdata = {
  67         .gpio_init = {
  68                 0,
  69                 WM8962_GPIO_FN_OPCLK,
  70                 WM8962_GPIO_FN_DMICCLK,
  71                 0,
  72                 0x8000 | WM8962_GPIO_FN_DMICDAT,
  73                 WM8962_GPIO_FN_IRQ,    /* Open drain mode */
  74         },
  75         .irq_active_low = true,
  76 };
  77
  78 static struct wm9081_pdata wm9081_pdata __initdata = {
  79         .irq_high = false,
  80         .irq_cmos = false,
  81 };
  82
  83 static const struct i2c_board_info wm1254_devs[] = {
  84         { I2C_BOARD_INFO("wm8996", 0x1a),
  85           .platform_data = &wm8996_pdata,
  86           .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
  87         },
  88         { I2C_BOARD_INFO("wm9081", 0x6c),
  89           .platform_data = &wm9081_pdata, },
  90 };
  91
  92 static const struct i2c_board_info wm1259_devs[] = {
  93         { I2C_BOARD_INFO("wm8962", 0x1a),
  94           .platform_data = &wm8962_pdata,
  95           .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
  96         },
  97 };
  98
  99
 100 static __devinitdata const struct {
 101         u8 id;
 102         const char *name;
 103         const struct i2c_board_info *i2c_devs;
 104         int num_i2c_devs;
 105 } gf_mods[] = {
 106         { .id = 0x01, .name = "1250-EV1 Springbank" },
 107         { .id = 0x02, .name = "1251-EV1 Jura" },
 108         { .id = 0x03, .name = "1252-EV1 Glenlivet" },
 109         { .id = 0x11, .name = "6249-EV2 Glenfarclas", },
 110         { .id = 0x21, .name = "1275-EV1 Mortlach" },
 111         { .id = 0x25, .name = "1274-EV1 Glencadam" },
 112         { .id = 0x31, .name = "1253-EV1 Tomatin", },
 113         { .id = 0x39, .name = "1254-EV1 Dallas Dhu",
 114           .i2c_devs = wm1254_devs, .num_i2c_devs = ARRAY_SIZE(wm1254_devs) },
 115         { .id = 0x3a, .name = "1259-EV1 Tobermory",
 116           .i2c_devs = wm1259_devs, .num_i2c_devs = ARRAY_SIZE(wm1259_devs) },
 117         { .id = 0x3b, .name = "1255-EV1 Kilchoman" },
 118         { .id = 0x3c, .name = "1273-EV1 Longmorn" },
 119 };
 120
 121 static __devinit int wlf_gf_module_probe(struct i2c_client *i2c,
 122                                          const struct i2c_device_id *i2c_id)
 123 {
 124         int ret, i, j, id, rev;
 125
 126         ret = i2c_smbus_read_byte_data(i2c, 0);
 127         if (ret < 0) {
 128                 dev_err(&i2c->dev, "Failed to read ID: %d\n", ret);
 129                 return ret;
 130         }
 131
 132         id = (ret & 0xfe) >> 2;
 133         rev = ret & 0x3;
 134         for (i = 0; i < ARRAY_SIZE(gf_mods); i++)
 135                 if (id == gf_mods[i].id)
 136                         break;
 137
 138         if (i < ARRAY_SIZE(gf_mods)) {
 139                 dev_info(&i2c->dev, "%s revision %d\n",
 140                          gf_mods[i].name, rev + 1);
 141                 for (j = 0; j < gf_mods[i].num_i2c_devs; j++) {
 142                         if (!i2c_new_device(i2c->adapter,
 143                                             &(gf_mods[i].i2c_devs[j])))
 144                                 dev_err(&i2c->dev,
 145                                         "Failed to register dev: %d\n", ret);
 146                 }
 147         } else {
 148                 dev_warn(&i2c->dev, "Unknown module ID %d revision %d\n",
 149                          id, rev);
 150         }
 151
 152         return 0;
 153 }
 154
 155 static const struct i2c_device_id wlf_gf_module_id[] = {
 156         { "wlf-gf-module", 0 },
 157         { }
 158 };
 159
 160 static struct i2c_driver wlf_gf_module_driver = {
 161         .driver = {
 162                 .name = "wlf-gf-module",
 163                 .owner = THIS_MODULE,
 164         },
 165         .probe = wlf_gf_module_probe,
 166         .id_table = wlf_gf_module_id,
 167 };
 168
 169 static int __init wlf_gf_module_register(void)
 170 {
 171         return i2c_add_driver(&wlf_gf_module_driver);
 172 }
 173 module_init(wlf_gf_module_register);