2 * sound/soc/rockchip/rockchip_i2s.h
4 * ALSA SoC Audio Layer - Rockchip I2S Controller driver
6 * Copyright (c) 2014 Rockchip Electronics Co. Ltd.
7 * Author: Jianqun xu <jay.xu@rock-chips.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #ifndef _ROCKCHIP_IIS_H
15 #define _ROCKCHIP_IIS_H
19 * transmit operation control register
21 #define I2S_TXCR_RCNT_SHIFT 17
22 #define I2S_TXCR_RCNT_MASK (0x3f << I2S_TXCR_RCNT_SHIFT)
23 #define I2S_TXCR_CSR_SHIFT 15
24 #define I2S_TXCR_CSR(x) (x << I2S_TXCR_CSR_SHIFT)
25 #define I2S_TXCR_CSR_MASK (3 << I2S_TXCR_CSR_SHIFT)
26 #define I2S_TXCR_HWT BIT(14)
27 #define I2S_TXCR_SJM_SHIFT 12
28 #define I2S_TXCR_SJM_R (0 << I2S_TXCR_SJM_SHIFT)
29 #define I2S_TXCR_SJM_L (1 << I2S_TXCR_SJM_SHIFT)
30 #define I2S_TXCR_FBM_SHIFT 11
31 #define I2S_TXCR_FBM_MSB (0 << I2S_TXCR_FBM_SHIFT)
32 #define I2S_TXCR_FBM_LSB (1 << I2S_TXCR_FBM_SHIFT)
33 #define I2S_TXCR_IBM_SHIFT 9
34 #define I2S_TXCR_IBM_NORMAL (0 << I2S_TXCR_IBM_SHIFT)
35 #define I2S_TXCR_IBM_LSJM (1 << I2S_TXCR_IBM_SHIFT)
36 #define I2S_TXCR_IBM_RSJM (2 << I2S_TXCR_IBM_SHIFT)
37 #define I2S_TXCR_IBM_MASK (3 << I2S_TXCR_IBM_SHIFT)
38 #define I2S_TXCR_PBM_SHIFT 7
39 #define I2S_TXCR_PBM_MODE(x) (x << I2S_TXCR_PBM_SHIFT)
40 #define I2S_TXCR_PBM_MASK (3 << I2S_TXCR_PBM_SHIFT)
41 #define I2S_TXCR_TFS_SHIFT 5
42 #define I2S_TXCR_TFS_I2S (0 << I2S_TXCR_TFS_SHIFT)
43 #define I2S_TXCR_TFS_PCM (1 << I2S_TXCR_TFS_SHIFT)
44 #define I2S_TXCR_VDW_SHIFT 0
45 #define I2S_TXCR_VDW(x) ((x - 1) << I2S_TXCR_VDW_SHIFT)
46 #define I2S_TXCR_VDW_MASK (0x1f << I2S_TXCR_VDW_SHIFT)
50 * receive operation control register
52 #define I2S_RXCR_CSR_SHIFT 15
53 #define I2S_RXCR_CSR(x) (x << I2S_RXCR_CSR_SHIFT)
54 #define I2S_RXCR_CSR_MASK (3 << I2S_RXCR_CSR_SHIFT)
55 #define I2S_RXCR_HWT BIT(14)
56 #define I2S_RXCR_SJM_SHIFT 12
57 #define I2S_RXCR_SJM_R (0 << I2S_RXCR_SJM_SHIFT)
58 #define I2S_RXCR_SJM_L (1 << I2S_RXCR_SJM_SHIFT)
59 #define I2S_RXCR_FBM_SHIFT 11
60 #define I2S_RXCR_FBM_MSB (0 << I2S_RXCR_FBM_SHIFT)
61 #define I2S_RXCR_FBM_LSB (1 << I2S_RXCR_FBM_SHIFT)
62 #define I2S_RXCR_IBM_SHIFT 9
63 #define I2S_RXCR_IBM_NORMAL (0 << I2S_RXCR_IBM_SHIFT)
64 #define I2S_RXCR_IBM_LSJM (1 << I2S_RXCR_IBM_SHIFT)
65 #define I2S_RXCR_IBM_RSJM (2 << I2S_RXCR_IBM_SHIFT)
66 #define I2S_RXCR_IBM_MASK (3 << I2S_RXCR_IBM_SHIFT)
67 #define I2S_RXCR_PBM_SHIFT 7
68 #define I2S_RXCR_PBM_MODE(x) (x << I2S_RXCR_PBM_SHIFT)
69 #define I2S_RXCR_PBM_MASK (3 << I2S_RXCR_PBM_SHIFT)
70 #define I2S_RXCR_TFS_SHIFT 5
71 #define I2S_RXCR_TFS_I2S (0 << I2S_RXCR_TFS_SHIFT)
72 #define I2S_RXCR_TFS_PCM (1 << I2S_RXCR_TFS_SHIFT)
73 #define I2S_RXCR_VDW_SHIFT 0
74 #define I2S_RXCR_VDW(x) ((x - 1) << I2S_RXCR_VDW_SHIFT)
75 #define I2S_RXCR_VDW_MASK (0x1f << I2S_RXCR_VDW_SHIFT)
79 * clock generation register
81 #define I2S_CKR_TRCM_SHIFT 28
82 #define I2S_CKR_TRCM(x) (x << I2S_CKR_TRCM_SHIFT)
83 #define I2S_CKR_TRCM_TXRX (0 << I2S_CKR_TRCM_SHIFT)
84 #define I2S_CKR_TRCM_TXSHARE (1 << I2S_CKR_TRCM_SHIFT)
85 #define I2S_CKR_TRCM_RXSHARE (2 << I2S_CKR_TRCM_SHIFT)
86 #define I2S_CKR_TRCM_MASK (3 << I2S_CKR_TRCM_SHIFT)
87 #define I2S_CKR_MSS_SHIFT 27
88 #define I2S_CKR_MSS_MASTER (0 << I2S_CKR_MSS_SHIFT)
89 #define I2S_CKR_MSS_SLAVE (1 << I2S_CKR_MSS_SHIFT)
90 #define I2S_CKR_MSS_MASK (1 << I2S_CKR_MSS_SHIFT)
91 #define I2S_CKR_CKP_SHIFT 26
92 #define I2S_CKR_CKP_NEG (0 << I2S_CKR_CKP_SHIFT)
93 #define I2S_CKR_CKP_POS (1 << I2S_CKR_CKP_SHIFT)
94 #define I2S_CKR_RLP_SHIFT 25
95 #define I2S_CKR_RLP_NORMAL (0 << I2S_CKR_RLP_SHIFT)
96 #define I2S_CKR_RLP_OPPSITE (1 << I2S_CKR_RLP_SHIFT)
97 #define I2S_CKR_TLP_SHIFT 24
98 #define I2S_CKR_TLP_NORMAL (0 << I2S_CKR_TLP_SHIFT)
99 #define I2S_CKR_TLP_OPPSITE (1 << I2S_CKR_TLP_SHIFT)
100 #define I2S_CKR_MDIV_SHIFT 16
101 #define I2S_CKR_MDIV(x) ((x - 1) << I2S_CKR_MDIV_SHIFT)
102 #define I2S_CKR_MDIV_MASK (0xff << I2S_CKR_MDIV_SHIFT)
103 #define I2S_CKR_RSD_SHIFT 8
104 #define I2S_CKR_RSD(x) ((x - 1) << I2S_CKR_RSD_SHIFT)
105 #define I2S_CKR_RSD_MASK (0xff << I2S_CKR_RSD_SHIFT)
106 #define I2S_CKR_TSD_SHIFT 0
107 #define I2S_CKR_TSD(x) ((x - 1) << I2S_CKR_TSD_SHIFT)
108 #define I2S_CKR_TSD_MASK (0xff << I2S_CKR_TSD_SHIFT)
112 * FIFO level register
114 #define I2S_FIFOLR_RFL_SHIFT 24
115 #define I2S_FIFOLR_RFL_MASK (0x3f << I2S_FIFOLR_RFL_SHIFT)
116 #define I2S_FIFOLR_TFL3_SHIFT 18
117 #define I2S_FIFOLR_TFL3_MASK (0x3f << I2S_FIFOLR_TFL3_SHIFT)
118 #define I2S_FIFOLR_TFL2_SHIFT 12
119 #define I2S_FIFOLR_TFL2_MASK (0x3f << I2S_FIFOLR_TFL2_SHIFT)
120 #define I2S_FIFOLR_TFL1_SHIFT 6
121 #define I2S_FIFOLR_TFL1_MASK (0x3f << I2S_FIFOLR_TFL1_SHIFT)
122 #define I2S_FIFOLR_TFL0_SHIFT 0
123 #define I2S_FIFOLR_TFL0_MASK (0x3f << I2S_FIFOLR_TFL0_SHIFT)
127 * DMA control register
129 #define I2S_DMACR_RDE_SHIFT 24
130 #define I2S_DMACR_RDE_DISABLE (0 << I2S_DMACR_RDE_SHIFT)
131 #define I2S_DMACR_RDE_ENABLE (1 << I2S_DMACR_RDE_SHIFT)
132 #define I2S_DMACR_RDL_SHIFT 16
133 #define I2S_DMACR_RDL(x) ((x - 1) << I2S_DMACR_RDL_SHIFT)
134 #define I2S_DMACR_RDL_MASK (0x1f << I2S_DMACR_RDL_SHIFT)
135 #define I2S_DMACR_TDE_SHIFT 8
136 #define I2S_DMACR_TDE_DISABLE (0 << I2S_DMACR_TDE_SHIFT)
137 #define I2S_DMACR_TDE_ENABLE (1 << I2S_DMACR_TDE_SHIFT)
138 #define I2S_DMACR_TDL_SHIFT 0
139 #define I2S_DMACR_TDL(x) ((x) << I2S_DMACR_TDL_SHIFT)
140 #define I2S_DMACR_TDL_MASK (0x1f << I2S_DMACR_TDL_SHIFT)
144 * interrupt control register
146 #define I2S_INTCR_RFT_SHIFT 20
147 #define I2S_INTCR_RFT(x) ((x - 1) << I2S_INTCR_RFT_SHIFT)
148 #define I2S_INTCR_RXOIC BIT(18)
149 #define I2S_INTCR_RXOIE_SHIFT 17
150 #define I2S_INTCR_RXOIE_DISABLE (0 << I2S_INTCR_RXOIE_SHIFT)
151 #define I2S_INTCR_RXOIE_ENABLE (1 << I2S_INTCR_RXOIE_SHIFT)
152 #define I2S_INTCR_RXFIE_SHIFT 16
153 #define I2S_INTCR_RXFIE_DISABLE (0 << I2S_INTCR_RXFIE_SHIFT)
154 #define I2S_INTCR_RXFIE_ENABLE (1 << I2S_INTCR_RXFIE_SHIFT)
155 #define I2S_INTCR_TFT_SHIFT 4
156 #define I2S_INTCR_TFT(x) ((x - 1) << I2S_INTCR_TFT_SHIFT)
157 #define I2S_INTCR_TFT_MASK (0x1f << I2S_INTCR_TFT_SHIFT)
158 #define I2S_INTCR_TXUIC BIT(2)
159 #define I2S_INTCR_TXUIE_SHIFT 1
160 #define I2S_INTCR_TXUIE_DISABLE (0 << I2S_INTCR_TXUIE_SHIFT)
161 #define I2S_INTCR_TXUIE_ENABLE (1 << I2S_INTCR_TXUIE_SHIFT)
165 * interrupt status register
167 #define I2S_INTSR_TXEIE_SHIFT 0
168 #define I2S_INTSR_TXEIE_DISABLE (0 << I2S_INTSR_TXEIE_SHIFT)
169 #define I2S_INTSR_TXEIE_ENABLE (1 << I2S_INTSR_TXEIE_SHIFT)
170 #define I2S_INTSR_RXOI_SHIFT 17
171 #define I2S_INTSR_RXOI_INA (0 << I2S_INTSR_RXOI_SHIFT)
172 #define I2S_INTSR_RXOI_ACT (1 << I2S_INTSR_RXOI_SHIFT)
173 #define I2S_INTSR_RXFI_SHIFT 16
174 #define I2S_INTSR_RXFI_INA (0 << I2S_INTSR_RXFI_SHIFT)
175 #define I2S_INTSR_RXFI_ACT (1 << I2S_INTSR_RXFI_SHIFT)
176 #define I2S_INTSR_TXUI_SHIFT 1
177 #define I2S_INTSR_TXUI_INA (0 << I2S_INTSR_TXUI_SHIFT)
178 #define I2S_INTSR_TXUI_ACT (1 << I2S_INTSR_TXUI_SHIFT)
179 #define I2S_INTSR_TXEI_SHIFT 0
180 #define I2S_INTSR_TXEI_INA (0 << I2S_INTSR_TXEI_SHIFT)
181 #define I2S_INTSR_TXEI_ACT (1 << I2S_INTSR_TXEI_SHIFT)
185 * Transfer start register
187 #define I2S_XFER_RXS_SHIFT 1
188 #define I2S_XFER_RXS_STOP (0 << I2S_XFER_RXS_SHIFT)
189 #define I2S_XFER_RXS_START (1 << I2S_XFER_RXS_SHIFT)
190 #define I2S_XFER_TXS_SHIFT 0
191 #define I2S_XFER_TXS_STOP (0 << I2S_XFER_TXS_SHIFT)
192 #define I2S_XFER_TXS_START (1 << I2S_XFER_TXS_SHIFT)
196 * clear SCLK domain logic register
198 #define I2S_CLR_RXC BIT(1)
199 #define I2S_CLR_TXC BIT(0)
203 * Transimt FIFO data register, write only.
205 #define I2S_TXDR_MASK (0xff)
209 * Receive FIFO data register, write only.
211 #define I2S_RXDR_MASK (0xff)
213 /* Clock divider id */
215 ROCKCHIP_DIV_MCLK = 0,
220 #define I2S_CSR_SHIFT 15
221 #define I2S_CHN_2 (0 << I2S_CSR_SHIFT)
222 #define I2S_CHN_4 (1 << I2S_CSR_SHIFT)
223 #define I2S_CHN_6 (2 << I2S_CSR_SHIFT)
224 #define I2S_CHN_8 (3 << I2S_CSR_SHIFT)
227 #define I2S_TXCR (0x0000)
228 #define I2S_RXCR (0x0004)
229 #define I2S_CKR (0x0008)
230 #define I2S_FIFOLR (0x000c)
231 #define I2S_DMACR (0x0010)
232 #define I2S_INTCR (0x0014)
233 #define I2S_INTSR (0x0018)
234 #define I2S_XFER (0x001c)
235 #define I2S_CLR (0x0020)
236 #define I2S_TXDR (0x0024)
237 #define I2S_RXDR (0x0028)
239 #endif /* _ROCKCHIP_IIS_H */