aboutsummaryrefslogtreecommitdiffstats
path: root/sound/soc/fsl/fsl_ssi.h
blob: 83b44d700e3328fbf973d25c616751555211f202 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
/*
 * fsl_ssi.h - ALSA SSI interface for the Freescale MPC8610 SoC
 *
 * Author: Timur Tabi <timur@freescale.com>
 *
 * Copyright 2007-2008 Freescale Semiconductor, Inc.  This file is licensed
 * under the terms of the GNU General Public License version 2.  This
 * program is licensed "as is" without any warranty of any kind, whether
 * express or implied.
 */

#ifndef _MPC8610_I2S_H
#define _MPC8610_I2S_H

/* SSI Register Map */
struct ccsr_ssi {
	__be32 stx0;	/* 0x.0000 - SSI Transmit Data Register 0 */
	__be32 stx1;	/* 0x.0004 - SSI Transmit Data Register 1 */
	__be32 srx0;	/* 0x.0008 - SSI Receive Data Register 0 */
	__be32 srx1;	/* 0x.000C - SSI Receive Data Register 1 */
	__be32 scr;	/* 0x.0010 - SSI Control Register */
	__be32 sisr;	/* 0x.0014 - SSI Interrupt Status Register Mixed */
	__be32 sier;	/* 0x.0018 - SSI Interrupt Enable Register */
	__be32 stcr;	/* 0x.001C - SSI Transmit Configuration Register */
	__be32 srcr;	/* 0x.0020 - SSI Receive Configuration Register */
	__be32 stccr;	/* 0x.0024 - SSI Transmit Clock Control Register */
	__be32 srccr;	/* 0x.0028 - SSI Receive Clock Control Register */
	__be32 sfcsr;	/* 0x.002C - SSI FIFO Control/Status Register */
	__be32 str;	/* 0x.0030 - SSI Test Register */
	__be32 sor;	/* 0x.0034 - SSI Option Register */
	__be32 sacnt;	/* 0x.0038 - SSI AC97 Control Register */
	__be32 sacadd;	/* 0x.003C - SSI AC97 Command Address Register */
	__be32 sacdat;	/* 0x.0040 - SSI AC97 Command Data Register */
	__be32 satag;	/* 0x.0044 - SSI AC97 Tag Register */
	__be32 stmsk;	/* 0x.0048 - SSI Transmit Time Slot Mask Register */
	__be32 srmsk;	/* 0x.004C - SSI Receive Time Slot Mask Register */
	__be32 saccst;	/* 0x.0050 - SSI AC97 Channel Status Register */
	__be32 saccen;	/* 0x.0054 - SSI AC97 Channel Enable Register */
	__be32 saccdis; /* 0x.0058 - SSI AC97 Channel Disable Register */
};

#define CCSR_SSI_SCR_RFR_CLK_DIS	0x00000800
#define CCSR_SSI_SCR_TFR_CLK_DIS	0x00000400
#define CCSR_SSI_SCR_TCH_EN		0x00000100
#define CCSR_SSI_SCR_SYS_CLK_EN		0x00000080
#define CCSR_SSI_SCR_I2S_MODE_MASK	0x00000060
#define CCSR_SSI_SCR_I2S_MODE_NORMAL	0x00000000
#define CCSR_SSI_SCR_I2S_MODE_MASTER	0x00000020
#define CCSR_SSI_SCR_I2S_MODE_SLAVE	0x00000040
#define CCSR_SSI_SCR_SYN		0x00000010
#define CCSR_SSI_SCR_NET		0x00000008
#define CCSR_SSI_SCR_RE			0x00000004
#define CCSR_SSI_SCR_TE			0x00000002
#define CCSR_SSI_SCR_SSIEN		0x00000001

#define CCSR_SSI_SISR_RFRC		0x01000000
#define CCSR_SSI_SISR_TFRC		0x00800000
#define CCSR_SSI_SISR_CMDAU		0x00040000
#define CCSR_SSI_SISR_CMDDU		0x00020000
#define CCSR_SSI_SISR_RXT		0x00010000
#define CCSR_SSI_SISR_RDR1		0x00008000
#define CCSR_SSI_SISR_RDR0		0x00004000
#define CCSR_SSI_SISR_TDE1		0x00002000
#define CCSR_SSI_SISR_TDE0		0x00001000
#define CCSR_SSI_SISR_ROE1		0x00000800
#define CCSR_SSI_SISR_ROE0		0x00000400
#define CCSR_SSI_SISR_TUE1		0x00000200
#define CCSR_SSI_SISR_TUE0		0x00000100
#define CCSR_SSI_SISR_TFS		0x00000080
#define CCSR_SSI_SISR_RFS		0x00000040
#define CCSR_SSI_SISR_TLS		0x00000020
#define CCSR_SSI_SISR_RLS		0x00000010
#define CCSR_SSI_SISR_RFF1		0x00000008
#define CCSR_SSI_SISR_RFF0		0x00000004
#define CCSR_SSI_SISR_TFE1		0x00000002
#define CCSR_SSI_SISR_TFE0		0x00000001

#define CCSR_SSI_SIER_RFRC_EN		0x01000000
#define CCSR_SSI_SIER_TFRC_EN		0x00800000
#define CCSR_SSI_SIER_RDMAE		0x00400000
#define CCSR_SSI_SIER_RIE		0x00200000
#define CCSR_SSI_SIER_TDMAE		0x00100000
#define CCSR_SSI_SIER_TIE		0x00080000
#define CCSR_SSI_SIER_CMDAU_EN		0x00040000
#define CCSR_SSI_SIER_CMDDU_EN		0x00020000
#define CCSR_SSI_SIER_RXT_EN		0x00010000
#define CCSR_SSI_SIER_RDR1_EN		0x00008000
#define CCSR_SSI_SIER_RDR0_EN		0x00004000
#define CCSR_SSI_SIER_TDE1_EN		0x00002000
#define CCSR_SSI_SIER_TDE0_EN		0x00001000
#define CCSR_SSI_SIER_ROE1_EN		0x00000800
#define CCSR_SSI_SIER_ROE0_EN		0x00000400
#define CCSR_SSI_SIER_TUE1_EN		0x00000200
#define CCSR_SSI_SIER_TUE0_EN		0x00000100
#define CCSR_SSI_SIER_TFS_EN		0x00000080
#define CCSR_SSI_SIER_RFS_EN		0x00000040
#define CCSR_SSI_SIER_TLS_EN		0x00000020
#define CCSR_SSI_SIER_RLS_EN		0x00000010
#define CCSR_SSI_SIER_RFF1_EN		0x00000008
#define CCSR_SSI_SIER_RFF0_EN		0x00000004
#define CCSR_SSI_SIER_TFE1_EN		0x00000002
#define CCSR_SSI_SIER_TFE0_EN		0x00000001

#define CCSR_SSI_STCR_TXBIT0		0x00000200
#define CCSR_SSI_STCR_TFEN1		0x00000100
#define CCSR_SSI_STCR_TFEN0		0x00000080
#define CCSR_SSI_STCR_TFDIR		0x00000040
#define CCSR_SSI_STCR_TXDIR		0x00000020
#define CCSR_SSI_STCR_TSHFD		0x00000010
#define CCSR_SSI_STCR_TSCKP		0x00000008
#define CCSR_SSI_STCR_TFSI		0x00000004
#define CCSR_SSI_STCR_TFSL		0x00000002
#define CCSR_SSI_STCR_TEFS		0x00000001

#define CCSR_SSI_SRCR_RXEXT		0x00000400
#define CCSR_SSI_SRCR_RXBIT0		0x00000200
#define CCSR_SSI_SRCR_RFEN1		0x00000100
#define CCSR_SSI_SRCR_RFEN0		0x00000080
#define CCSR_SSI_SRCR_RFDIR		0x00000040
#define CCSR_SSI_SRCR_RXDIR		0x00000020
#define CCSR_SSI_SRCR_RSHFD		0x00000010
#define CCSR_SSI_SRCR_RSCKP		0x00000008
#define CCSR_SSI_SRCR_RFSI		0x00000004
#define CCSR_SSI_SRCR_RFSL		0x00000002
#define CCSR_SSI_SRCR_REFS		0x00000001

/* STCCR and SRCCR */
#define CCSR_SSI_SxCCR_DIV2		0x00040000
#define CCSR_SSI_SxCCR_PSR		0x00020000
#define CCSR_SSI_SxCCR_WL_SHIFT		13
#define CCSR_SSI_SxCCR_WL_MASK		0x0001E000
#define CCSR_SSI_SxCCR_WL(x) \
	(((((x) / 2) - 1) << CCSR_SSI_SxCCR_WL_SHIFT) & CCSR_SSI_SxCCR_WL_MASK)
#define CCSR_SSI_SxCCR_DC_SHIFT		8
#define CCSR_SSI_SxCCR_DC_MASK		0x00001F00
#define CCSR_SSI_SxCCR_DC(x) \
	((((x) - 1) << CCSR_SSI_SxCCR_DC_SHIFT) & CCSR_SSI_SxCCR_DC_MASK)
#define CCSR_SSI_SxCCR_PM_SHIFT		0
#define CCSR_SSI_SxCCR_PM_MASK		0x000000FF
#define CCSR_SSI_SxCCR_PM(x) \
	((((x) - 1) << CCSR_SSI_SxCCR_PM_SHIFT) & CCSR_SSI_SxCCR_PM_MASK)

/*
 * The xFCNT bits are read-only, and the xFWM bits are read/write.  Use the
 * CCSR_SSI_SFCSR_xFCNTy() macros to read the FIFO counters, and use the
 * CCSR_SSI_SFCSR_xFWMy() macros to set the watermarks.
 */
#define CCSR_SSI_SFCSR_RFCNT1_SHIFT	28
#define CCSR_SSI_SFCSR_RFCNT1_MASK	0xF0000000
#define CCSR_SSI_SFCSR_RFCNT1(x) \
	(((x) & CCSR_SSI_SFCSR_RFCNT1_MASK) >> CCSR_SSI_SFCSR_RFCNT1_SHIFT)
#define CCSR_SSI_SFCSR_TFCNT1_SHIFT	24
#define CCSR_SSI_SFCSR_TFCNT1_MASK	0x0F000000
#define CCSR_SSI_SFCSR_TFCNT1(x) \
	(((x) & CCSR_SSI_SFCSR_TFCNT1_MASK) >> CCSR_SSI_SFCSR_TFCNT1_SHIFT)
#define CCSR_SSI_SFCSR_RFWM1_SHIFT	20
#define CCSR_SSI_SFCSR_RFWM1_MASK	0x00F00000
#define CCSR_SSI_SFCSR_RFWM1(x)	\
	(((x) << CCSR_SSI_SFCSR_RFWM1_SHIFT) & CCSR_SSI_SFCSR_RFWM1_MASK)
#define CCSR_SSI_SFCSR_TFWM1_SHIFT	16
#define CCSR_SSI_SFCSR_TFWM1_MASK	0x000F0000
#define CCSR_SSI_SFCSR_TFWM1(x)	\
	(((x) << CCSR_SSI_SFCSR_TFWM1_SHIFT) & CCSR_SSI_SFCSR_TFWM1_MASK)
#define CCSR_SSI_SFCSR_RFCNT0_SHIFT	12
#define CCSR_SSI_SFCSR_RFCNT0_MASK	0x0000F000
#define CCSR_SSI_SFCSR_RFCNT0(x) \
	(((x) & CCSR_SSI_SFCSR_RFCNT0_MASK) >> CCSR_SSI_SFCSR_RFCNT0_SHIFT)
#define CCSR_SSI_SFCSR_TFCNT0_SHIFT	8
#define CCSR_SSI_SFCSR_TFCNT0_MASK	0x00000F00
#define CCSR_SSI_SFCSR_TFCNT0(x) \
	(((x) & CCSR_SSI_SFCSR_TFCNT0_MASK) >> CCSR_SSI_SFCSR_TFCNT0_SHIFT)
#define CCSR_SSI_SFCSR_RFWM0_SHIFT	4
#define CCSR_SSI_SFCSR_RFWM0_MASK	0x000000F0
#define CCSR_SSI_SFCSR_RFWM0(x)	\
	(((x) << CCSR_SSI_SFCSR_RFWM0_SHIFT) & CCSR_SSI_SFCSR_RFWM0_MASK)
#define CCSR_SSI_SFCSR_TFWM0_SHIFT	0
#define CCSR_SSI_SFCSR_TFWM0_MASK	0x0000000F
#define CCSR_SSI_SFCSR_TFWM0(x)	\
	(((x) << CCSR_SSI_SFCSR_TFWM0_SHIFT) & CCSR_SSI_SFCSR_TFWM0_MASK)

#define CCSR_SSI_STR_TEST		0x00008000
#define CCSR_SSI_STR_RCK2TCK		0x00004000
#define CCSR_SSI_STR_RFS2TFS		0x00002000
#define CCSR_SSI_STR_RXSTATE(x) (((x) >> 8) & 0x1F)
#define CCSR_SSI_STR_TXD2RXD		0x00000080
#define CCSR_SSI_STR_TCK2RCK		0x00000040
#define CCSR_SSI_STR_TFS2RFS		0x00000020
#define CCSR_SSI_STR_TXSTATE(x) ((x) & 0x1F)

#define CCSR_SSI_SOR_CLKOFF		0x00000040
#define CCSR_SSI_SOR_RX_CLR		0x00000020
#define CCSR_SSI_SOR_TX_CLR		0x00000010
#define CCSR_SSI_SOR_INIT		0x00000008
#define CCSR_SSI_SOR_WAIT_SHIFT		1
#define CCSR_SSI_SOR_WAIT_MASK		0x00000006
#define CCSR_SSI_SOR_WAIT(x) (((x) & 3) << CCSR_SSI_SOR_WAIT_SHIFT)
#define CCSR_SSI_SOR_SYNRST 		0x00000001

/* Instantiation data for an SSI interface
 *
 * This structure contains all the information that the the SSI driver needs
 * to instantiate an SSI interface with ALSA.  The machine driver should
 * create this structure, fill it in, call fsl_ssi_create_dai(), and then
 * delete the structure.
 *
 * id: which SSI this is (0, 1, etc. )
 * ssi: pointer to the SSI's registers
 * ssi_phys: physical address of the SSI registers
 * irq: IRQ of this SSI
 * dev: struct device, used to create the sysfs statistics file
*/
struct fsl_ssi_info {
	unsigned int id;
	struct ccsr_ssi __iomem *ssi;
	dma_addr_t ssi_phys;
	unsigned int irq;
	struct device *dev;
};

struct snd_soc_dai *fsl_ssi_create_dai(struct fsl_ssi_info *ssi_info);
void fsl_ssi_destroy_dai(struct snd_soc_dai *fsl_ssi_dai);

#endif