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/export.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 #include <linux/mfd/wm8994/pdata.h>
  18
  19 #include <sound/wm5100.h>
  20 #include <sound/wm8996.h>
  21 #include <sound/wm8962.h>
  22 #include <sound/wm9081.h>
  23
  24 #include <mach/crag6410.h>
  25
  26 static struct wm5100_pdata wm5100_pdata = {
  27         .ldo_ena = S3C64XX_GPN(7),
  28         .irq_flags = IRQF_TRIGGER_HIGH,
  29         .gpio_base = CODEC_GPIO_BASE,
  30
  31         .in_mode = {
  32                 WM5100_IN_DIFF,
  33                 WM5100_IN_DIFF,
  34                 WM5100_IN_DIFF,
  35                 WM5100_IN_SE,
  36         },
  37
  38         .hp_pol = CODEC_GPIO_BASE + 3,
  39         .jack_modes = {
  40                 { WM5100_MICDET_MICBIAS3, 0, 0 },
  41                 { WM5100_MICDET_MICBIAS2, 1, 1 },
  42         },
  43
  44         .gpio_defaults = {
  45                 0,
  46                 0,
  47                 0,
  48                 0,
  49                 0x2, /* IRQ: CMOS output */
  50                 0x3, /* CLKOUT: CMOS output */
  51         },
  52 };
  53
  54 static struct wm8996_retune_mobile_config wm8996_retune[] = {
  55         {
  56                 .name = "Sub LPF",
  57                 .rate = 48000,
  58                 .regs = {
  59                         0x6318, 0x6300, 0x1000, 0x0000, 0x0004, 0x2000, 0xF000,
  60                         0x0000, 0x0004, 0x2000, 0xF000, 0x0000, 0x0004, 0x2000,
  61                         0xF000, 0x0000, 0x0004, 0x1000, 0x0800, 0x4000
  62                 },
  63         },
  64         {
  65                 .name = "Sub HPF",
  66                 .rate = 48000,
  67                 .regs = {
  68                         0x000A, 0x6300, 0x1000, 0x0000, 0x0004, 0x2000, 0xF000,
  69                         0x0000, 0x0004, 0x2000, 0xF000, 0x0000, 0x0004, 0x2000,
  70                         0xF000, 0x0000, 0x0004, 0x1000, 0x0800, 0x4000
  71                 },
  72         },
  73 };
  74
  75 static struct wm8996_pdata wm8996_pdata __initdata = {
  76         .ldo_ena = S3C64XX_GPN(7),
  77         .gpio_base = CODEC_GPIO_BASE,
  78         .micdet_def = 1,
  79         .inl_mode = WM8996_DIFFERRENTIAL_1,
  80         .inr_mode = WM8996_DIFFERRENTIAL_1,
  81
  82         .irq_flags = IRQF_TRIGGER_RISING,
  83
  84         .gpio_default = {
  85                 0x8001, /* GPIO1 == ADCLRCLK1 */
  86                 0x8001, /* GPIO2 == ADCLRCLK2, input due to CPU */
  87                 0x0141, /* GPIO3 == HP_SEL */
  88                 0x0002, /* GPIO4 == IRQ */
  89                 0x020e, /* GPIO5 == CLKOUT */
  90         },
  91
  92         .retune_mobile_cfgs = wm8996_retune,
  93         .num_retune_mobile_cfgs = ARRAY_SIZE(wm8996_retune),
  94 };
  95
  96 static struct wm8962_pdata wm8962_pdata __initdata = {
  97         .gpio_init = {
  98                 0,
  99                 WM8962_GPIO_FN_OPCLK,
 100                 WM8962_GPIO_FN_DMICCLK,
 101                 0,
 102                 0x8000 | WM8962_GPIO_FN_DMICDAT,
 103                 WM8962_GPIO_FN_IRQ,    /* Open drain mode */
 104         },
 105 };
 106
 107 static struct wm9081_pdata wm9081_pdata __initdata = {
 108         .irq_high = false,
 109         .irq_cmos = false,
 110 };
 111
 112 static const struct i2c_board_info wm1254_devs[] = {
 113         { I2C_BOARD_INFO("wm8996", 0x1a),
 114           .platform_data = &wm8996_pdata,
 115           .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
 116         },
 117         { I2C_BOARD_INFO("wm9081", 0x6c),
 118           .platform_data = &wm9081_pdata, },
 119 };
 120
 121 static const struct i2c_board_info wm1255_devs[] = {
 122         { I2C_BOARD_INFO("wm5100", 0x1a),
 123           .platform_data = &wm5100_pdata,
 124           .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
 125         },
 126         { I2C_BOARD_INFO("wm9081", 0x6c),
 127           .platform_data = &wm9081_pdata, },
 128 };
 129
 130 static const struct i2c_board_info wm1259_devs[] = {
 131         { I2C_BOARD_INFO("wm8962", 0x1a),
 132           .platform_data = &wm8962_pdata,
 133           .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
 134         },
 135 };
 136
 137 static struct wm8994_pdata wm8994_pdata = {
 138         .gpio_base = CODEC_GPIO_BASE,
 139         .gpio_defaults = {
 140                 0x3,          /* IRQ out, active high, CMOS */
 141         },
 142         .irq_base = CODEC_IRQ_BASE,
 143         .ldo = {
 144                 { .supply = "WALLVDD" },
 145                 { .supply = "WALLVDD" },
 146         },
 147 };
 148
 149 static const struct i2c_board_info wm1277_devs[] = {
 150         { I2C_BOARD_INFO("wm8958", 0x1a),  /* WM8958 is the superset */
 151           .platform_data = &wm8994_pdata,
 152           .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
 153         },
 154 };
 155
 156 static __devinitdata const struct {
 157         u8 id;
 158         const char *name;
 159         const struct i2c_board_info *i2c_devs;
 160         int num_i2c_devs;
 161 } gf_mods[] = {
 162         { .id = 0x01, .name = "1250-EV1 Springbank" },
 163         { .id = 0x02, .name = "1251-EV1 Jura" },
 164         { .id = 0x03, .name = "1252-EV1 Glenlivet" },
 165         { .id = 0x11, .name = "6249-EV2 Glenfarclas", },
 166         { .id = 0x21, .name = "1275-EV1 Mortlach" },
 167         { .id = 0x25, .name = "1274-EV1 Glencadam" },
 168         { .id = 0x31, .name = "1253-EV1 Tomatin", },
 169         { .id = 0x39, .name = "1254-EV1 Dallas Dhu",
 170           .i2c_devs = wm1254_devs, .num_i2c_devs = ARRAY_SIZE(wm1254_devs) },
 171         { .id = 0x3a, .name = "1259-EV1 Tobermory",
 172           .i2c_devs = wm1259_devs, .num_i2c_devs = ARRAY_SIZE(wm1259_devs) },
 173         { .id = 0x3b, .name = "1255-EV1 Kilchoman",
 174           .i2c_devs = wm1255_devs, .num_i2c_devs = ARRAY_SIZE(wm1255_devs) },
 175         { .id = 0x3c, .name = "1273-EV1 Longmorn" },
 176         { .id = 0x3d, .name = "1277-EV1 Littlemill",
 177           .i2c_devs = wm1277_devs, .num_i2c_devs = ARRAY_SIZE(wm1277_devs) },
 178 };
 179
 180 static __devinit int wlf_gf_module_probe(struct i2c_client *i2c,
 181                                          const struct i2c_device_id *i2c_id)
 182 {
 183         int ret, i, j, id, rev;
 184
 185         ret = i2c_smbus_read_byte_data(i2c, 0);
 186         if (ret < 0) {
 187                 dev_err(&i2c->dev, "Failed to read ID: %d\n", ret);
 188                 return ret;
 189         }
 190
 191         id = (ret & 0xfe) >> 2;
 192         rev = ret & 0x3;
 193         for (i = 0; i < ARRAY_SIZE(gf_mods); i++)
 194                 if (id == gf_mods[i].id)
 195                         break;
 196
 197         if (i < ARRAY_SIZE(gf_mods)) {
 198                 dev_info(&i2c->dev, "%s revision %d\n",
 199                          gf_mods[i].name, rev + 1);
 200                 for (j = 0; j < gf_mods[i].num_i2c_devs; j++) {
 201                         if (!i2c_new_device(i2c->adapter,
 202                                             &(gf_mods[i].i2c_devs[j])))
 203                                 dev_err(&i2c->dev,
 204                                         "Failed to register dev: %d\n", ret);
 205                 }
 206         } else {
 207                 dev_warn(&i2c->dev, "Unknown module ID 0x%x revision %d\n",
 208                          id, rev + 1);
 209         }
 210
 211         return 0;
 212 }
 213
 214 static const struct i2c_device_id wlf_gf_module_id[] = {
 215         { "wlf-gf-module", 0 },
 216         { }
 217 };
 218
 219 static struct i2c_driver wlf_gf_module_driver = {
 220         .driver = {
 221                 .name = "wlf-gf-module",
 222                 .owner = THIS_MODULE,
 223         },
 224         .probe = wlf_gf_module_probe,
 225         .id_table = wlf_gf_module_id,
 226 };
 227
 228 static int __init wlf_gf_module_register(void)
 229 {
 230         return i2c_add_driver(&wlf_gf_module_driver);
 231 }
 232 module_init(wlf_gf_module_register);