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1 | /* |
2 | * linux/sound/wm2200.h -- Platform data for WM2200 | |
3 | * | |
4 | * Copyright 2012 Wolfson Microelectronics. PLC. | |
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 | #ifndef __LINUX_SND_WM2200_H | |
12 | #define __LINUX_SND_WM2200_H | |
13 | ||
14 | #define WM2200_GPIO_SET 0x10000 | |
1a786243 | 15 | #define WM2200_MAX_MICBIAS 2 |
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16 | |
17 | enum wm2200_in_mode { | |
18 | WM2200_IN_SE = 0, | |
19 | WM2200_IN_DIFF = 1, | |
20 | WM2200_IN_DMIC = 2, | |
21 | }; | |
22 | ||
23 | enum wm2200_dmic_sup { | |
24 | WM2200_DMIC_SUP_MICVDD = 0, | |
25 | WM2200_DMIC_SUP_MICBIAS1 = 1, | |
26 | WM2200_DMIC_SUP_MICBIAS2 = 2, | |
27 | }; | |
28 | ||
1a786243 CR |
29 | enum wm2200_mbias_lvl { |
30 | WM2200_MBIAS_LVL_1V5 = 1, | |
31 | WM2200_MBIAS_LVL_1V8 = 2, | |
32 | WM2200_MBIAS_LVL_1V9 = 3, | |
33 | WM2200_MBIAS_LVL_2V0 = 4, | |
34 | WM2200_MBIAS_LVL_2V2 = 5, | |
35 | WM2200_MBIAS_LVL_2V4 = 6, | |
36 | WM2200_MBIAS_LVL_2V5 = 7, | |
37 | WM2200_MBIAS_LVL_2V6 = 8, | |
38 | }; | |
39 | ||
40 | struct wm2200_micbias { | |
41 | enum wm2200_mbias_lvl mb_lvl; /** Regulated voltage */ | |
42 | unsigned int discharge:1; /** Actively discharge */ | |
43 | unsigned int fast_start:1; /** Enable aggressive startup ramp rate */ | |
44 | unsigned int bypass:1; /** Use bypass mode */ | |
45 | }; | |
46 | ||
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47 | struct wm2200_pdata { |
48 | int reset; /** GPIO controlling /RESET, if any */ | |
49 | int ldo_ena; /** GPIO controlling LODENA, if any */ | |
50 | int irq_flags; | |
51 | ||
52 | int gpio_defaults[4]; | |
53 | ||
54 | enum wm2200_in_mode in_mode[3]; | |
55 | enum wm2200_dmic_sup dmic_sup[3]; | |
56 | ||
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57 | /** MICBIAS configurations */ |
58 | struct wm2200_micbias micbias[WM2200_MAX_MICBIAS]; | |
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59 | }; |
60 | ||
61 | #endif |