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/* Speyside modules for Cragganmore - board data probing
*
* Copyright 2011 Wolfson Microelectronics plc
* Mark Brown <broonie@opensource.wolfsonmicro.com>
*
* 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/mfd/wm831x/irq.h>
#include <linux/mfd/wm831x/gpio.h>
#include <sound/wm8996.h>
#include <sound/wm8962.h>
#include <sound/wm9081.h>
#include <mach/crag6410.h>
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 */
},
.irq_active_low = 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),
.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 __devinitdata const struct {
u8 id;
const char *name;
const struct i2c_board_info *i2c_devs;
int num_i2c_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 = 0x21, .name = "1275-EV1 Mortlach" },
{ .id = 0x25, .name = "1274-EV1 Glencadam" },
{ .id = 0x31, .name = "1253-EV1 Tomatin", },
{ .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" },
};
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);
}
} else {
dev_warn(&i2c->dev, "Unknown module ID %d revision %d\n",
id, rev);
}
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);
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