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ca26308c MA |
1 | /* |
2 | * DaVinci Voice Codec Core Interface for TI platforms | |
3 | * | |
4 | * Copyright (C) 2010 Texas Instruments, Inc | |
5 | * | |
6 | * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | */ | |
22 | ||
23 | #ifndef __LINUX_MFD_DAVINCI_VOICECODEC_H_ | |
c593aca4 | 24 | #define __LINUX_MFD_DAVINCI_VOICECODEC_H_ |
ca26308c MA |
25 | |
26 | #include <linux/kernel.h> | |
27 | #include <linux/platform_device.h> | |
28 | #include <linux/mfd/core.h> | |
3ad7a42d | 29 | #include <linux/platform_data/edma.h> |
ca26308c | 30 | |
921a2c87 MB |
31 | struct regmap; |
32 | ||
ca26308c MA |
33 | /* |
34 | * Register values. | |
35 | */ | |
36 | #define DAVINCI_VC_PID 0x00 | |
37 | #define DAVINCI_VC_CTRL 0x04 | |
38 | #define DAVINCI_VC_INTEN 0x08 | |
39 | #define DAVINCI_VC_INTSTATUS 0x0c | |
40 | #define DAVINCI_VC_INTCLR 0x10 | |
41 | #define DAVINCI_VC_EMUL_CTRL 0x14 | |
42 | #define DAVINCI_VC_RFIFO 0x20 | |
43 | #define DAVINCI_VC_WFIFO 0x24 | |
44 | #define DAVINCI_VC_FIFOSTAT 0x28 | |
45 | #define DAVINCI_VC_TST_CTRL 0x2C | |
46 | #define DAVINCI_VC_REG05 0x94 | |
47 | #define DAVINCI_VC_REG09 0xA4 | |
48 | #define DAVINCI_VC_REG12 0xB0 | |
49 | ||
50 | /* DAVINCI_VC_CTRL bit fields */ | |
51 | #define DAVINCI_VC_CTRL_MASK 0x5500 | |
52 | #define DAVINCI_VC_CTRL_RSTADC BIT(0) | |
53 | #define DAVINCI_VC_CTRL_RSTDAC BIT(1) | |
54 | #define DAVINCI_VC_CTRL_RD_BITS_8 BIT(4) | |
55 | #define DAVINCI_VC_CTRL_RD_UNSIGNED BIT(5) | |
56 | #define DAVINCI_VC_CTRL_WD_BITS_8 BIT(6) | |
57 | #define DAVINCI_VC_CTRL_WD_UNSIGNED BIT(7) | |
58 | #define DAVINCI_VC_CTRL_RFIFOEN BIT(8) | |
59 | #define DAVINCI_VC_CTRL_RFIFOCL BIT(9) | |
60 | #define DAVINCI_VC_CTRL_RFIFOMD_WORD_1 BIT(10) | |
61 | #define DAVINCI_VC_CTRL_WFIFOEN BIT(12) | |
62 | #define DAVINCI_VC_CTRL_WFIFOCL BIT(13) | |
63 | #define DAVINCI_VC_CTRL_WFIFOMD_WORD_1 BIT(14) | |
64 | ||
65 | /* DAVINCI_VC_INT bit fields */ | |
66 | #define DAVINCI_VC_INT_MASK 0x3F | |
67 | #define DAVINCI_VC_INT_RDRDY_MASK BIT(0) | |
68 | #define DAVINCI_VC_INT_RERROVF_MASK BIT(1) | |
69 | #define DAVINCI_VC_INT_RERRUDR_MASK BIT(2) | |
70 | #define DAVINCI_VC_INT_WDREQ_MASK BIT(3) | |
71 | #define DAVINCI_VC_INT_WERROVF_MASKBIT BIT(4) | |
72 | #define DAVINCI_VC_INT_WERRUDR_MASK BIT(5) | |
73 | ||
74 | /* DAVINCI_VC_REG05 bit fields */ | |
75 | #define DAVINCI_VC_REG05_PGA_GAIN 0x07 | |
76 | ||
77 | /* DAVINCI_VC_REG09 bit fields */ | |
78 | #define DAVINCI_VC_REG09_MUTE 0x40 | |
79 | #define DAVINCI_VC_REG09_DIG_ATTEN 0x3F | |
80 | ||
81 | /* DAVINCI_VC_REG12 bit fields */ | |
82 | #define DAVINCI_VC_REG12_POWER_ALL_ON 0xFD | |
83 | #define DAVINCI_VC_REG12_POWER_ALL_OFF 0x00 | |
84 | ||
85 | #define DAVINCI_VC_CELLS 2 | |
86 | ||
87 | enum davinci_vc_cells { | |
88 | DAVINCI_VC_VCIF_CELL, | |
89 | DAVINCI_VC_CQ93VC_CELL, | |
90 | }; | |
91 | ||
92 | struct davinci_vcif { | |
93 | struct platform_device *pdev; | |
94 | u32 dma_tx_channel; | |
95 | u32 dma_rx_channel; | |
96 | dma_addr_t dma_tx_addr; | |
97 | dma_addr_t dma_rx_addr; | |
98 | }; | |
99 | ||
ca26308c MA |
100 | struct davinci_vc { |
101 | /* Device data */ | |
102 | struct device *dev; | |
103 | struct platform_device *pdev; | |
104 | struct clk *clk; | |
105 | ||
106 | /* Memory resources */ | |
107 | void __iomem *base; | |
921a2c87 | 108 | struct regmap *regmap; |
ca26308c MA |
109 | |
110 | /* MFD cells */ | |
111 | struct mfd_cell cells[DAVINCI_VC_CELLS]; | |
112 | ||
113 | /* Client devices */ | |
114 | struct davinci_vcif davinci_vcif; | |
ca26308c MA |
115 | }; |
116 | ||
117 | #endif |