Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
[linux-2.6-microblaze.git] / include / linux / mfd / davinci_voicecodec.h
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * DaVinci Voice Codec Core Interface for TI platforms
4  *
5  * Copyright (C) 2010 Texas Instruments, Inc
6  *
7  * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>
8  */
9
10 #ifndef __LINUX_MFD_DAVINCI_VOICECODEC_H_
11 #define __LINUX_MFD_DAVINCI_VOICECODEC_H_
12
13 #include <linux/kernel.h>
14 #include <linux/platform_device.h>
15 #include <linux/mfd/core.h>
16 #include <linux/platform_data/edma.h>
17
18 struct regmap;
19
20 /*
21  * Register values.
22  */
23 #define DAVINCI_VC_PID                  0x00
24 #define DAVINCI_VC_CTRL                 0x04
25 #define DAVINCI_VC_INTEN                0x08
26 #define DAVINCI_VC_INTSTATUS            0x0c
27 #define DAVINCI_VC_INTCLR               0x10
28 #define DAVINCI_VC_EMUL_CTRL            0x14
29 #define DAVINCI_VC_RFIFO                0x20
30 #define DAVINCI_VC_WFIFO                0x24
31 #define DAVINCI_VC_FIFOSTAT             0x28
32 #define DAVINCI_VC_TST_CTRL             0x2C
33 #define DAVINCI_VC_REG05                0x94
34 #define DAVINCI_VC_REG09                0xA4
35 #define DAVINCI_VC_REG12                0xB0
36
37 /* DAVINCI_VC_CTRL bit fields */
38 #define DAVINCI_VC_CTRL_MASK            0x5500
39 #define DAVINCI_VC_CTRL_RSTADC          BIT(0)
40 #define DAVINCI_VC_CTRL_RSTDAC          BIT(1)
41 #define DAVINCI_VC_CTRL_RD_BITS_8       BIT(4)
42 #define DAVINCI_VC_CTRL_RD_UNSIGNED     BIT(5)
43 #define DAVINCI_VC_CTRL_WD_BITS_8       BIT(6)
44 #define DAVINCI_VC_CTRL_WD_UNSIGNED     BIT(7)
45 #define DAVINCI_VC_CTRL_RFIFOEN         BIT(8)
46 #define DAVINCI_VC_CTRL_RFIFOCL         BIT(9)
47 #define DAVINCI_VC_CTRL_RFIFOMD_WORD_1  BIT(10)
48 #define DAVINCI_VC_CTRL_WFIFOEN         BIT(12)
49 #define DAVINCI_VC_CTRL_WFIFOCL         BIT(13)
50 #define DAVINCI_VC_CTRL_WFIFOMD_WORD_1  BIT(14)
51
52 /* DAVINCI_VC_INT bit fields */
53 #define DAVINCI_VC_INT_MASK             0x3F
54 #define DAVINCI_VC_INT_RDRDY_MASK       BIT(0)
55 #define DAVINCI_VC_INT_RERROVF_MASK     BIT(1)
56 #define DAVINCI_VC_INT_RERRUDR_MASK     BIT(2)
57 #define DAVINCI_VC_INT_WDREQ_MASK       BIT(3)
58 #define DAVINCI_VC_INT_WERROVF_MASKBIT  BIT(4)
59 #define DAVINCI_VC_INT_WERRUDR_MASK     BIT(5)
60
61 /* DAVINCI_VC_REG05 bit fields */
62 #define DAVINCI_VC_REG05_PGA_GAIN       0x07
63
64 /* DAVINCI_VC_REG09 bit fields */
65 #define DAVINCI_VC_REG09_MUTE           0x40
66 #define DAVINCI_VC_REG09_DIG_ATTEN      0x3F
67
68 /* DAVINCI_VC_REG12 bit fields */
69 #define DAVINCI_VC_REG12_POWER_ALL_ON   0xFD
70 #define DAVINCI_VC_REG12_POWER_ALL_OFF  0x00
71
72 #define DAVINCI_VC_CELLS                2
73
74 enum davinci_vc_cells {
75         DAVINCI_VC_VCIF_CELL,
76         DAVINCI_VC_CQ93VC_CELL,
77 };
78
79 struct davinci_vcif {
80         struct platform_device  *pdev;
81         u32 dma_tx_channel;
82         u32 dma_rx_channel;
83         dma_addr_t dma_tx_addr;
84         dma_addr_t dma_rx_addr;
85 };
86
87 struct davinci_vc {
88         /* Device data */
89         struct device *dev;
90         struct platform_device *pdev;
91         struct clk *clk;
92
93         /* Memory resources */
94         void __iomem *base;
95         struct regmap *regmap;
96
97         /* MFD cells */
98         struct mfd_cell cells[DAVINCI_VC_CELLS];
99
100         /* Client devices */
101         struct davinci_vcif davinci_vcif;
102 };
103
104 #endif