2 * fsl_ssi.h - ALSA SSI interface for the Freescale MPC8610 SoC
4 * Author: Timur Tabi <timur@freescale.com>
6 * Copyright 2007-2008 Freescale Semiconductor, Inc. This file is licensed
7 * under the terms of the GNU General Public License version 2. This
8 * program is licensed "as is" without any warranty of any kind, whether
12 #ifndef _MPC8610_I2S_H
13 #define _MPC8610_I2S_H
15 /* SSI Register Map */
17 __be32 stx0; /* 0x.0000 - SSI Transmit Data Register 0 */
18 __be32 stx1; /* 0x.0004 - SSI Transmit Data Register 1 */
19 __be32 srx0; /* 0x.0008 - SSI Receive Data Register 0 */
20 __be32 srx1; /* 0x.000C - SSI Receive Data Register 1 */
21 __be32 scr; /* 0x.0010 - SSI Control Register */
22 __be32 sisr; /* 0x.0014 - SSI Interrupt Status Register Mixed */
23 __be32 sier; /* 0x.0018 - SSI Interrupt Enable Register */
24 __be32 stcr; /* 0x.001C - SSI Transmit Configuration Register */
25 __be32 srcr; /* 0x.0020 - SSI Receive Configuration Register */
26 __be32 stccr; /* 0x.0024 - SSI Transmit Clock Control Register */
27 __be32 srccr; /* 0x.0028 - SSI Receive Clock Control Register */
28 __be32 sfcsr; /* 0x.002C - SSI FIFO Control/Status Register */
29 __be32 str; /* 0x.0030 - SSI Test Register */
30 __be32 sor; /* 0x.0034 - SSI Option Register */
31 __be32 sacnt; /* 0x.0038 - SSI AC97 Control Register */
32 __be32 sacadd; /* 0x.003C - SSI AC97 Command Address Register */
33 __be32 sacdat; /* 0x.0040 - SSI AC97 Command Data Register */
34 __be32 satag; /* 0x.0044 - SSI AC97 Tag Register */
35 __be32 stmsk; /* 0x.0048 - SSI Transmit Time Slot Mask Register */
36 __be32 srmsk; /* 0x.004C - SSI Receive Time Slot Mask Register */
37 __be32 saccst; /* 0x.0050 - SSI AC97 Channel Status Register */
38 __be32 saccen; /* 0x.0054 - SSI AC97 Channel Enable Register */
39 __be32 saccdis; /* 0x.0058 - SSI AC97 Channel Disable Register */
42 #define CCSR_SSI_SCR_RFR_CLK_DIS 0x00000800
43 #define CCSR_SSI_SCR_TFR_CLK_DIS 0x00000400
44 #define CCSR_SSI_SCR_TCH_EN 0x00000100
45 #define CCSR_SSI_SCR_SYS_CLK_EN 0x00000080
46 #define CCSR_SSI_SCR_I2S_MODE_MASK 0x00000060
47 #define CCSR_SSI_SCR_I2S_MODE_NORMAL 0x00000000
48 #define CCSR_SSI_SCR_I2S_MODE_MASTER 0x00000020
49 #define CCSR_SSI_SCR_I2S_MODE_SLAVE 0x00000040
50 #define CCSR_SSI_SCR_SYN 0x00000010
51 #define CCSR_SSI_SCR_NET 0x00000008
52 #define CCSR_SSI_SCR_RE 0x00000004
53 #define CCSR_SSI_SCR_TE 0x00000002
54 #define CCSR_SSI_SCR_SSIEN 0x00000001
56 #define CCSR_SSI_SISR_RFRC 0x01000000
57 #define CCSR_SSI_SISR_TFRC 0x00800000
58 #define CCSR_SSI_SISR_CMDAU 0x00040000
59 #define CCSR_SSI_SISR_CMDDU 0x00020000
60 #define CCSR_SSI_SISR_RXT 0x00010000
61 #define CCSR_SSI_SISR_RDR1 0x00008000
62 #define CCSR_SSI_SISR_RDR0 0x00004000
63 #define CCSR_SSI_SISR_TDE1 0x00002000
64 #define CCSR_SSI_SISR_TDE0 0x00001000
65 #define CCSR_SSI_SISR_ROE1 0x00000800
66 #define CCSR_SSI_SISR_ROE0 0x00000400
67 #define CCSR_SSI_SISR_TUE1 0x00000200
68 #define CCSR_SSI_SISR_TUE0 0x00000100
69 #define CCSR_SSI_SISR_TFS 0x00000080
70 #define CCSR_SSI_SISR_RFS 0x00000040
71 #define CCSR_SSI_SISR_TLS 0x00000020
72 #define CCSR_SSI_SISR_RLS 0x00000010
73 #define CCSR_SSI_SISR_RFF1 0x00000008
74 #define CCSR_SSI_SISR_RFF0 0x00000004
75 #define CCSR_SSI_SISR_TFE1 0x00000002
76 #define CCSR_SSI_SISR_TFE0 0x00000001
78 #define CCSR_SSI_SIER_RFRC_EN 0x01000000
79 #define CCSR_SSI_SIER_TFRC_EN 0x00800000
80 #define CCSR_SSI_SIER_RDMAE 0x00400000
81 #define CCSR_SSI_SIER_RIE 0x00200000
82 #define CCSR_SSI_SIER_TDMAE 0x00100000
83 #define CCSR_SSI_SIER_TIE 0x00080000
84 #define CCSR_SSI_SIER_CMDAU_EN 0x00040000
85 #define CCSR_SSI_SIER_CMDDU_EN 0x00020000
86 #define CCSR_SSI_SIER_RXT_EN 0x00010000
87 #define CCSR_SSI_SIER_RDR1_EN 0x00008000
88 #define CCSR_SSI_SIER_RDR0_EN 0x00004000
89 #define CCSR_SSI_SIER_TDE1_EN 0x00002000
90 #define CCSR_SSI_SIER_TDE0_EN 0x00001000
91 #define CCSR_SSI_SIER_ROE1_EN 0x00000800
92 #define CCSR_SSI_SIER_ROE0_EN 0x00000400
93 #define CCSR_SSI_SIER_TUE1_EN 0x00000200
94 #define CCSR_SSI_SIER_TUE0_EN 0x00000100
95 #define CCSR_SSI_SIER_TFS_EN 0x00000080
96 #define CCSR_SSI_SIER_RFS_EN 0x00000040
97 #define CCSR_SSI_SIER_TLS_EN 0x00000020
98 #define CCSR_SSI_SIER_RLS_EN 0x00000010
99 #define CCSR_SSI_SIER_RFF1_EN 0x00000008
100 #define CCSR_SSI_SIER_RFF0_EN 0x00000004
101 #define CCSR_SSI_SIER_TFE1_EN 0x00000002
102 #define CCSR_SSI_SIER_TFE0_EN 0x00000001
104 #define CCSR_SSI_STCR_TXBIT0 0x00000200
105 #define CCSR_SSI_STCR_TFEN1 0x00000100
106 #define CCSR_SSI_STCR_TFEN0 0x00000080
107 #define CCSR_SSI_STCR_TFDIR 0x00000040
108 #define CCSR_SSI_STCR_TXDIR 0x00000020
109 #define CCSR_SSI_STCR_TSHFD 0x00000010
110 #define CCSR_SSI_STCR_TSCKP 0x00000008
111 #define CCSR_SSI_STCR_TFSI 0x00000004
112 #define CCSR_SSI_STCR_TFSL 0x00000002
113 #define CCSR_SSI_STCR_TEFS 0x00000001
115 #define CCSR_SSI_SRCR_RXEXT 0x00000400
116 #define CCSR_SSI_SRCR_RXBIT0 0x00000200
117 #define CCSR_SSI_SRCR_RFEN1 0x00000100
118 #define CCSR_SSI_SRCR_RFEN0 0x00000080
119 #define CCSR_SSI_SRCR_RFDIR 0x00000040
120 #define CCSR_SSI_SRCR_RXDIR 0x00000020
121 #define CCSR_SSI_SRCR_RSHFD 0x00000010
122 #define CCSR_SSI_SRCR_RSCKP 0x00000008
123 #define CCSR_SSI_SRCR_RFSI 0x00000004
124 #define CCSR_SSI_SRCR_RFSL 0x00000002
125 #define CCSR_SSI_SRCR_REFS 0x00000001
127 /* STCCR and SRCCR */
128 #define CCSR_SSI_SxCCR_DIV2 0x00040000
129 #define CCSR_SSI_SxCCR_PSR 0x00020000
130 #define CCSR_SSI_SxCCR_WL_SHIFT 13
131 #define CCSR_SSI_SxCCR_WL_MASK 0x0001E000
132 #define CCSR_SSI_SxCCR_WL(x) \
133 (((((x) / 2) - 1) << CCSR_SSI_SxCCR_WL_SHIFT) & CCSR_SSI_SxCCR_WL_MASK)
134 #define CCSR_SSI_SxCCR_DC_SHIFT 8
135 #define CCSR_SSI_SxCCR_DC_MASK 0x00001F00
136 #define CCSR_SSI_SxCCR_DC(x) \
137 ((((x) - 1) << CCSR_SSI_SxCCR_DC_SHIFT) & CCSR_SSI_SxCCR_DC_MASK)
138 #define CCSR_SSI_SxCCR_PM_SHIFT 0
139 #define CCSR_SSI_SxCCR_PM_MASK 0x000000FF
140 #define CCSR_SSI_SxCCR_PM(x) \
141 ((((x) - 1) << CCSR_SSI_SxCCR_PM_SHIFT) & CCSR_SSI_SxCCR_PM_MASK)
144 * The xFCNT bits are read-only, and the xFWM bits are read/write. Use the
145 * CCSR_SSI_SFCSR_xFCNTy() macros to read the FIFO counters, and use the
146 * CCSR_SSI_SFCSR_xFWMy() macros to set the watermarks.
148 #define CCSR_SSI_SFCSR_RFCNT1_SHIFT 28
149 #define CCSR_SSI_SFCSR_RFCNT1_MASK 0xF0000000
150 #define CCSR_SSI_SFCSR_RFCNT1(x) \
151 (((x) & CCSR_SSI_SFCSR_RFCNT1_MASK) >> CCSR_SSI_SFCSR_RFCNT1_SHIFT)
152 #define CCSR_SSI_SFCSR_TFCNT1_SHIFT 24
153 #define CCSR_SSI_SFCSR_TFCNT1_MASK 0x0F000000
154 #define CCSR_SSI_SFCSR_TFCNT1(x) \
155 (((x) & CCSR_SSI_SFCSR_TFCNT1_MASK) >> CCSR_SSI_SFCSR_TFCNT1_SHIFT)
156 #define CCSR_SSI_SFCSR_RFWM1_SHIFT 20
157 #define CCSR_SSI_SFCSR_RFWM1_MASK 0x00F00000
158 #define CCSR_SSI_SFCSR_RFWM1(x) \
159 (((x) << CCSR_SSI_SFCSR_RFWM1_SHIFT) & CCSR_SSI_SFCSR_RFWM1_MASK)
160 #define CCSR_SSI_SFCSR_TFWM1_SHIFT 16
161 #define CCSR_SSI_SFCSR_TFWM1_MASK 0x000F0000
162 #define CCSR_SSI_SFCSR_TFWM1(x) \
163 (((x) << CCSR_SSI_SFCSR_TFWM1_SHIFT) & CCSR_SSI_SFCSR_TFWM1_MASK)
164 #define CCSR_SSI_SFCSR_RFCNT0_SHIFT 12
165 #define CCSR_SSI_SFCSR_RFCNT0_MASK 0x0000F000
166 #define CCSR_SSI_SFCSR_RFCNT0(x) \
167 (((x) & CCSR_SSI_SFCSR_RFCNT0_MASK) >> CCSR_SSI_SFCSR_RFCNT0_SHIFT)
168 #define CCSR_SSI_SFCSR_TFCNT0_SHIFT 8
169 #define CCSR_SSI_SFCSR_TFCNT0_MASK 0x00000F00
170 #define CCSR_SSI_SFCSR_TFCNT0(x) \
171 (((x) & CCSR_SSI_SFCSR_TFCNT0_MASK) >> CCSR_SSI_SFCSR_TFCNT0_SHIFT)
172 #define CCSR_SSI_SFCSR_RFWM0_SHIFT 4
173 #define CCSR_SSI_SFCSR_RFWM0_MASK 0x000000F0
174 #define CCSR_SSI_SFCSR_RFWM0(x) \
175 (((x) << CCSR_SSI_SFCSR_RFWM0_SHIFT) & CCSR_SSI_SFCSR_RFWM0_MASK)
176 #define CCSR_SSI_SFCSR_TFWM0_SHIFT 0
177 #define CCSR_SSI_SFCSR_TFWM0_MASK 0x0000000F
178 #define CCSR_SSI_SFCSR_TFWM0(x) \
179 (((x) << CCSR_SSI_SFCSR_TFWM0_SHIFT) & CCSR_SSI_SFCSR_TFWM0_MASK)
181 #define CCSR_SSI_STR_TEST 0x00008000
182 #define CCSR_SSI_STR_RCK2TCK 0x00004000
183 #define CCSR_SSI_STR_RFS2TFS 0x00002000
184 #define CCSR_SSI_STR_RXSTATE(x) (((x) >> 8) & 0x1F)
185 #define CCSR_SSI_STR_TXD2RXD 0x00000080
186 #define CCSR_SSI_STR_TCK2RCK 0x00000040
187 #define CCSR_SSI_STR_TFS2RFS 0x00000020
188 #define CCSR_SSI_STR_TXSTATE(x) ((x) & 0x1F)
190 #define CCSR_SSI_SOR_CLKOFF 0x00000040
191 #define CCSR_SSI_SOR_RX_CLR 0x00000020
192 #define CCSR_SSI_SOR_TX_CLR 0x00000010
193 #define CCSR_SSI_SOR_INIT 0x00000008
194 #define CCSR_SSI_SOR_WAIT_SHIFT 1
195 #define CCSR_SSI_SOR_WAIT_MASK 0x00000006
196 #define CCSR_SSI_SOR_WAIT(x) (((x) & 3) << CCSR_SSI_SOR_WAIT_SHIFT)
197 #define CCSR_SSI_SOR_SYNRST 0x00000001
199 /* Instantiation data for an SSI interface
201 * This structure contains all the information that the the SSI driver needs
202 * to instantiate an SSI interface with ALSA. The machine driver should
203 * create this structure, fill it in, call fsl_ssi_create_dai(), and then
204 * delete the structure.
206 * id: which SSI this is (0, 1, etc. )
207 * ssi: pointer to the SSI's registers
208 * ssi_phys: physical address of the SSI registers
209 * irq: IRQ of this SSI
210 * dev: struct device, used to create the sysfs statistics file
211 * asynchronous: 0=synchronous mode, 1=asynchronous mode
213 struct fsl_ssi_info {
215 struct ccsr_ssi __iomem *ssi;
222 struct snd_soc_dai *fsl_ssi_create_dai(struct fsl_ssi_info *ssi_info);
223 void fsl_ssi_destroy_dai(struct snd_soc_dai *fsl_ssi_dai);