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d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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2 | /* |
3 | * linux/sound/wm2200.h -- Platform data for WM2200 | |
4 | * | |
5 | * Copyright 2012 Wolfson Microelectronics. PLC. | |
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6 | */ |
7 | ||
8 | #ifndef __LINUX_SND_WM2200_H | |
9 | #define __LINUX_SND_WM2200_H | |
10 | ||
11 | #define WM2200_GPIO_SET 0x10000 | |
1a786243 | 12 | #define WM2200_MAX_MICBIAS 2 |
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13 | |
14 | enum wm2200_in_mode { | |
15 | WM2200_IN_SE = 0, | |
16 | WM2200_IN_DIFF = 1, | |
17 | WM2200_IN_DMIC = 2, | |
18 | }; | |
19 | ||
20 | enum wm2200_dmic_sup { | |
21 | WM2200_DMIC_SUP_MICVDD = 0, | |
22 | WM2200_DMIC_SUP_MICBIAS1 = 1, | |
23 | WM2200_DMIC_SUP_MICBIAS2 = 2, | |
24 | }; | |
25 | ||
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26 | enum wm2200_mbias_lvl { |
27 | WM2200_MBIAS_LVL_1V5 = 1, | |
28 | WM2200_MBIAS_LVL_1V8 = 2, | |
29 | WM2200_MBIAS_LVL_1V9 = 3, | |
30 | WM2200_MBIAS_LVL_2V0 = 4, | |
31 | WM2200_MBIAS_LVL_2V2 = 5, | |
32 | WM2200_MBIAS_LVL_2V4 = 6, | |
33 | WM2200_MBIAS_LVL_2V5 = 7, | |
34 | WM2200_MBIAS_LVL_2V6 = 8, | |
35 | }; | |
36 | ||
37 | struct wm2200_micbias { | |
38 | enum wm2200_mbias_lvl mb_lvl; /** Regulated voltage */ | |
39 | unsigned int discharge:1; /** Actively discharge */ | |
40 | unsigned int fast_start:1; /** Enable aggressive startup ramp rate */ | |
41 | unsigned int bypass:1; /** Use bypass mode */ | |
42 | }; | |
43 | ||
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44 | struct wm2200_pdata { |
45 | int reset; /** GPIO controlling /RESET, if any */ | |
46 | int ldo_ena; /** GPIO controlling LODENA, if any */ | |
47 | int irq_flags; | |
48 | ||
49 | int gpio_defaults[4]; | |
50 | ||
51 | enum wm2200_in_mode in_mode[3]; | |
52 | enum wm2200_dmic_sup dmic_sup[3]; | |
53 | ||
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54 | /** MICBIAS configurations */ |
55 | struct wm2200_micbias micbias[WM2200_MAX_MICBIAS]; | |
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56 | }; |
57 | ||
58 | #endif |