1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * wm8804.h  --  WM8804 S/PDIF transceiver driver
4  *
5  * Copyright 2010 Wolfson Microelectronics plc
6  *
7  * Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
8  */
9 
10 #ifndef _WM8804_H
11 #define _WM8804_H
12 
13 #include <linux/regmap.h>
14 
15 /*
16  * Register values.
17  */
18 #define WM8804_RST_DEVID1			0x00
19 #define WM8804_DEVID2				0x01
20 #define WM8804_DEVREV				0x02
21 #define WM8804_PLL1				0x03
22 #define WM8804_PLL2				0x04
23 #define WM8804_PLL3				0x05
24 #define WM8804_PLL4				0x06
25 #define WM8804_PLL5				0x07
26 #define WM8804_PLL6				0x08
27 #define WM8804_SPDMODE				0x09
28 #define WM8804_INTMASK				0x0A
29 #define WM8804_INTSTAT				0x0B
30 #define WM8804_SPDSTAT				0x0C
31 #define WM8804_RXCHAN1				0x0D
32 #define WM8804_RXCHAN2				0x0E
33 #define WM8804_RXCHAN3				0x0F
34 #define WM8804_RXCHAN4				0x10
35 #define WM8804_RXCHAN5				0x11
36 #define WM8804_SPDTX1				0x12
37 #define WM8804_SPDTX2				0x13
38 #define WM8804_SPDTX3				0x14
39 #define WM8804_SPDTX4				0x15
40 #define WM8804_SPDTX5				0x16
41 #define WM8804_GPO0				0x17
42 #define WM8804_GPO1				0x18
43 #define WM8804_GPO2				0x1A
44 #define WM8804_AIFTX				0x1B
45 #define WM8804_AIFRX				0x1C
46 #define WM8804_SPDRX1				0x1D
47 #define WM8804_PWRDN				0x1E
48 
49 #define WM8804_REGISTER_COUNT			30
50 #define WM8804_MAX_REGISTER			0x1E
51 
52 #define WM8804_TX_CLKSRC_MCLK			1
53 #define WM8804_TX_CLKSRC_PLL			2
54 
55 #define WM8804_CLKOUT_SRC_CLK1			3
56 #define WM8804_CLKOUT_SRC_OSCCLK		4
57 
58 #define WM8804_CLKOUT_DIV			1
59 #define WM8804_MCLK_DIV				2
60 
61 #define WM8804_MCLKDIV_256FS			0
62 #define WM8804_MCLKDIV_128FS			1
63 
64 extern const struct regmap_config wm8804_regmap_config;
65 extern const struct dev_pm_ops wm8804_pm;
66 
67 int wm8804_probe(struct device *dev, struct regmap *regmap);
68 void wm8804_remove(struct device *dev);
69 
70 #endif  /* _WM8804_H */
71