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d0f0b43f MB |
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); |