1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * omap-dmic.h -- OMAP Digital Microphone Controller
4 */
5
6 #ifndef _OMAP_DMIC_H
7 #define _OMAP_DMIC_H
8
9 #define OMAP_DMIC_REVISION_REG 0x00
10 #define OMAP_DMIC_SYSCONFIG_REG 0x10
11 #define OMAP_DMIC_IRQSTATUS_RAW_REG 0x24
12 #define OMAP_DMIC_IRQSTATUS_REG 0x28
13 #define OMAP_DMIC_IRQENABLE_SET_REG 0x2C
14 #define OMAP_DMIC_IRQENABLE_CLR_REG 0x30
15 #define OMAP_DMIC_IRQWAKE_EN_REG 0x34
16 #define OMAP_DMIC_DMAENABLE_SET_REG 0x38
17 #define OMAP_DMIC_DMAENABLE_CLR_REG 0x3C
18 #define OMAP_DMIC_DMAWAKEEN_REG 0x40
19 #define OMAP_DMIC_CTRL_REG 0x44
20 #define OMAP_DMIC_DATA_REG 0x48
21 #define OMAP_DMIC_FIFO_CTRL_REG 0x4C
22 #define OMAP_DMIC_FIFO_DMIC1R_DATA_REG 0x50
23 #define OMAP_DMIC_FIFO_DMIC1L_DATA_REG 0x54
24 #define OMAP_DMIC_FIFO_DMIC2R_DATA_REG 0x58
25 #define OMAP_DMIC_FIFO_DMIC2L_DATA_REG 0x5C
26 #define OMAP_DMIC_FIFO_DMIC3R_DATA_REG 0x60
27 #define OMAP_DMIC_FIFO_DMIC3L_DATA_REG 0x64
28
29 /* IRQSTATUS_RAW, IRQSTATUS, IRQENABLE_SET, IRQENABLE_CLR bit fields */
30 #define OMAP_DMIC_IRQ (1 << 0)
31 #define OMAP_DMIC_IRQ_FULL (1 << 1)
32 #define OMAP_DMIC_IRQ_ALMST_EMPTY (1 << 2)
33 #define OMAP_DMIC_IRQ_EMPTY (1 << 3)
34 #define OMAP_DMIC_IRQ_MASK 0x07
35
36 /* DMIC_DMAENABLE bit fields */
37 #define OMAP_DMIC_DMA_ENABLE 0x1
38
39 /* DMIC_CTRL bit fields */
40 #define OMAP_DMIC_UP1_ENABLE (1 << 0)
41 #define OMAP_DMIC_UP2_ENABLE (1 << 1)
42 #define OMAP_DMIC_UP3_ENABLE (1 << 2)
43 #define OMAP_DMIC_UP_ENABLE_MASK 0x7
44 #define OMAP_DMIC_FORMAT (1 << 3)
45 #define OMAP_DMIC_POLAR1 (1 << 4)
46 #define OMAP_DMIC_POLAR2 (1 << 5)
47 #define OMAP_DMIC_POLAR3 (1 << 6)
48 #define OMAP_DMIC_POLAR_MASK (0x7 << 4)
49 #define OMAP_DMIC_CLK_DIV(x) (((x) & 0x7) << 7)
50 #define OMAP_DMIC_CLK_DIV_MASK (0x7 << 7)
51 #define OMAP_DMIC_RESET (1 << 10)
52
53 #define OMAP_DMICOUTFORMAT_LJUST (0 << 3)
54 #define OMAP_DMICOUTFORMAT_RJUST (1 << 3)
55
56 /* DMIC_FIFO_CTRL bit fields */
57 #define OMAP_DMIC_THRES_MAX 0xF
58
59 enum omap_dmic_clk {
60 OMAP_DMIC_SYSCLK_PAD_CLKS, /* PAD_CLKS */
61 OMAP_DMIC_SYSCLK_SLIMBLUS_CLKS, /* SLIMBUS_CLK */
62 OMAP_DMIC_SYSCLK_SYNC_MUX_CLKS, /* DMIC_SYNC_MUX_CLK */
63 OMAP_DMIC_ABE_DMIC_CLK, /* abe_dmic_clk */
64 };
65
66 #endif
67
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