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Diffstat (limited to 'arch/arm/mach-s3c64xx/mach-crag6410-module.c')
-rw-r--r--arch/arm/mach-s3c64xx/mach-crag6410-module.c182
1 files changed, 182 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410-module.c b/arch/arm/mach-s3c64xx/mach-crag6410-module.c
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index 000000000000..66668565ee75
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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
24static 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
45static 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
66static 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
78static struct wm9081_pdata wm9081_pdata __initdata = {
79 .irq_high = false,
80 .irq_cmos = false,
81};
82
83static 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
92static const struct i2c_board_info wm1255_devs[] = {
93 { I2C_BOARD_INFO("wm5100", 0x1a),
94 .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
95 },
96 { I2C_BOARD_INFO("wm9081", 0x6c),
97 .platform_data = &wm9081_pdata, },
98};
99
100static const struct i2c_board_info wm1259_devs[] = {
101 { I2C_BOARD_INFO("wm8962", 0x1a),
102 .platform_data = &wm8962_pdata,
103 .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
104 },
105};
106
107
108static __devinitdata const struct {
109 u8 id;
110 const char *name;
111 const struct i2c_board_info *i2c_devs;
112 int num_i2c_devs;
113} gf_mods[] = {
114 { .id = 0x01, .name = "1250-EV1 Springbank" },
115 { .id = 0x02, .name = "1251-EV1 Jura" },
116 { .id = 0x03, .name = "1252-EV1 Glenlivet" },
117 { .id = 0x11, .name = "6249-EV2 Glenfarclas", },
118 { .id = 0x21, .name = "1275-EV1 Mortlach" },
119 { .id = 0x25, .name = "1274-EV1 Glencadam" },
120 { .id = 0x31, .name = "1253-EV1 Tomatin", },
121 { .id = 0x39, .name = "1254-EV1 Dallas Dhu",
122 .i2c_devs = wm1254_devs, .num_i2c_devs = ARRAY_SIZE(wm1254_devs) },
123 { .id = 0x3a, .name = "1259-EV1 Tobermory",
124 .i2c_devs = wm1259_devs, .num_i2c_devs = ARRAY_SIZE(wm1259_devs) },
125 { .id = 0x3b, .name = "1255-EV1 Kilchoman",
126 .i2c_devs = wm1255_devs, .num_i2c_devs = ARRAY_SIZE(wm1255_devs) },
127 { .id = 0x3c, .name = "1273-EV1 Longmorn" },
128};
129
130static __devinit int wlf_gf_module_probe(struct i2c_client *i2c,
131 const struct i2c_device_id *i2c_id)
132{
133 int ret, i, j, id, rev;
134
135 ret = i2c_smbus_read_byte_data(i2c, 0);
136 if (ret < 0) {
137 dev_err(&i2c->dev, "Failed to read ID: %d\n", ret);
138 return ret;
139 }
140
141 id = (ret & 0xfe) >> 2;
142 rev = ret & 0x3;
143 for (i = 0; i < ARRAY_SIZE(gf_mods); i++)
144 if (id == gf_mods[i].id)
145 break;
146
147 if (i < ARRAY_SIZE(gf_mods)) {
148 dev_info(&i2c->dev, "%s revision %d\n",
149 gf_mods[i].name, rev + 1);
150 for (j = 0; j < gf_mods[i].num_i2c_devs; j++) {
151 if (!i2c_new_device(i2c->adapter,
152 &(gf_mods[i].i2c_devs[j])))
153 dev_err(&i2c->dev,
154 "Failed to register dev: %d\n", ret);
155 }
156 } else {
157 dev_warn(&i2c->dev, "Unknown module ID %d revision %d\n",
158 id, rev);
159 }
160
161 return 0;
162}
163
164static const struct i2c_device_id wlf_gf_module_id[] = {
165 { "wlf-gf-module", 0 },
166 { }
167};
168
169static struct i2c_driver wlf_gf_module_driver = {
170 .driver = {
171 .name = "wlf-gf-module",
172 .owner = THIS_MODULE,
173 },
174 .probe = wlf_gf_module_probe,
175 .id_table = wlf_gf_module_id,
176};
177
178static int __init wlf_gf_module_register(void)
179{
180 return i2c_add_driver(&wlf_gf_module_driver);
181}
182module_init(wlf_gf_module_register);