1
2
3#ifndef _IMX_SSI_H
4#define _IMX_SSI_H
5
6#define SSI_STX0 0x00
7#define SSI_STX1 0x04
8#define SSI_SRX0 0x08
9#define SSI_SRX1 0x0c
10
11#define SSI_SCR 0x10
12#define SSI_SCR_CLK_IST (1 << 9)
13#define SSI_SCR_CLK_IST_SHIFT 9
14#define SSI_SCR_TCH_EN (1 << 8)
15#define SSI_SCR_SYS_CLK_EN (1 << 7)
16#define SSI_SCR_I2S_MODE_NORM (0 << 5)
17#define SSI_SCR_I2S_MODE_MSTR (1 << 5)
18#define SSI_SCR_I2S_MODE_SLAVE (2 << 5)
19#define SSI_I2S_MODE_MASK (3 << 5)
20#define SSI_SCR_SYN (1 << 4)
21#define SSI_SCR_NET (1 << 3)
22#define SSI_SCR_RE (1 << 2)
23#define SSI_SCR_TE (1 << 1)
24#define SSI_SCR_SSIEN (1 << 0)
25
26#define SSI_SISR 0x14
27#define SSI_SISR_MASK ((1 << 19) - 1)
28#define SSI_SISR_CMDAU (1 << 18)
29#define SSI_SISR_CMDDU (1 << 17)
30#define SSI_SISR_RXT (1 << 16)
31#define SSI_SISR_RDR1 (1 << 15)
32#define SSI_SISR_RDR0 (1 << 14)
33#define SSI_SISR_TDE1 (1 << 13)
34#define SSI_SISR_TDE0 (1 << 12)
35#define SSI_SISR_ROE1 (1 << 11)
36#define SSI_SISR_ROE0 (1 << 10)
37#define SSI_SISR_TUE1 (1 << 9)
38#define SSI_SISR_TUE0 (1 << 8)
39#define SSI_SISR_TFS (1 << 7)
40#define SSI_SISR_RFS (1 << 6)
41#define SSI_SISR_TLS (1 << 5)
42#define SSI_SISR_RLS (1 << 4)
43#define SSI_SISR_RFF1 (1 << 3)
44#define SSI_SISR_RFF0 (1 << 2)
45#define SSI_SISR_TFE1 (1 << 1)
46#define SSI_SISR_TFE0 (1 << 0)
47
48#define SSI_SIER 0x18
49#define SSI_SIER_RDMAE (1 << 22)
50#define SSI_SIER_RIE (1 << 21)
51#define SSI_SIER_TDMAE (1 << 20)
52#define SSI_SIER_TIE (1 << 19)
53#define SSI_SIER_CMDAU_EN (1 << 18)
54#define SSI_SIER_CMDDU_EN (1 << 17)
55#define SSI_SIER_RXT_EN (1 << 16)
56#define SSI_SIER_RDR1_EN (1 << 15)
57#define SSI_SIER_RDR0_EN (1 << 14)
58#define SSI_SIER_TDE1_EN (1 << 13)
59#define SSI_SIER_TDE0_EN (1 << 12)
60#define SSI_SIER_ROE1_EN (1 << 11)
61#define SSI_SIER_ROE0_EN (1 << 10)
62#define SSI_SIER_TUE1_EN (1 << 9)
63#define SSI_SIER_TUE0_EN (1 << 8)
64#define SSI_SIER_TFS_EN (1 << 7)
65#define SSI_SIER_RFS_EN (1 << 6)
66#define SSI_SIER_TLS_EN (1 << 5)
67#define SSI_SIER_RLS_EN (1 << 4)
68#define SSI_SIER_RFF1_EN (1 << 3)
69#define SSI_SIER_RFF0_EN (1 << 2)
70#define SSI_SIER_TFE1_EN (1 << 1)
71#define SSI_SIER_TFE0_EN (1 << 0)
72
73#define SSI_STCR 0x1c
74#define SSI_STCR_TXBIT0 (1 << 9)
75#define SSI_STCR_TFEN1 (1 << 8)
76#define SSI_STCR_TFEN0 (1 << 7)
77#define SSI_FIFO_ENABLE_0_SHIFT 7
78#define SSI_STCR_TFDIR (1 << 6)
79#define SSI_STCR_TXDIR (1 << 5)
80#define SSI_STCR_TSHFD (1 << 4)
81#define SSI_STCR_TSCKP (1 << 3)
82#define SSI_STCR_TFSI (1 << 2)
83#define SSI_STCR_TFSL (1 << 1)
84#define SSI_STCR_TEFS (1 << 0)
85
86#define SSI_SRCR 0x20
87#define SSI_SRCR_RXBIT0 (1 << 9)
88#define SSI_SRCR_RFEN1 (1 << 8)
89#define SSI_SRCR_RFEN0 (1 << 7)
90#define SSI_FIFO_ENABLE_0_SHIFT 7
91#define SSI_SRCR_RFDIR (1 << 6)
92#define SSI_SRCR_RXDIR (1 << 5)
93#define SSI_SRCR_RSHFD (1 << 4)
94#define SSI_SRCR_RSCKP (1 << 3)
95#define SSI_SRCR_RFSI (1 << 2)
96#define SSI_SRCR_RFSL (1 << 1)
97#define SSI_SRCR_REFS (1 << 0)
98
99#define SSI_SRCCR 0x28
100#define SSI_SRCCR_DIV2 (1 << 18)
101#define SSI_SRCCR_PSR (1 << 17)
102#define SSI_SRCCR_WL(x) ((((x) - 2) >> 1) << 13)
103#define SSI_SRCCR_DC(x) (((x) & 0x1f) << 8)
104#define SSI_SRCCR_PM(x) (((x) & 0xff) << 0)
105#define SSI_SRCCR_WL_MASK (0xf << 13)
106#define SSI_SRCCR_DC_MASK (0x1f << 8)
107#define SSI_SRCCR_PM_MASK (0xff << 0)
108
109#define SSI_STCCR 0x24
110#define SSI_STCCR_DIV2 (1 << 18)
111#define SSI_STCCR_PSR (1 << 17)
112#define SSI_STCCR_WL(x) ((((x) - 2) >> 1) << 13)
113#define SSI_STCCR_DC(x) (((x) & 0x1f) << 8)
114#define SSI_STCCR_PM(x) (((x) & 0xff) << 0)
115#define SSI_STCCR_WL_MASK (0xf << 13)
116#define SSI_STCCR_DC_MASK (0x1f << 8)
117#define SSI_STCCR_PM_MASK (0xff << 0)
118
119#define SSI_SFCSR 0x2c
120#define SSI_SFCSR_RFCNT1(x) (((x) & 0xf) << 28)
121#define SSI_RX_FIFO_1_COUNT_SHIFT 28
122#define SSI_SFCSR_TFCNT1(x) (((x) & 0xf) << 24)
123#define SSI_TX_FIFO_1_COUNT_SHIFT 24
124#define SSI_SFCSR_RFWM1(x) (((x) & 0xf) << 20)
125#define SSI_SFCSR_TFWM1(x) (((x) & 0xf) << 16)
126#define SSI_SFCSR_RFCNT0(x) (((x) & 0xf) << 12)
127#define SSI_RX_FIFO_0_COUNT_SHIFT 12
128#define SSI_SFCSR_TFCNT0(x) (((x) & 0xf) << 8)
129#define SSI_TX_FIFO_0_COUNT_SHIFT 8
130#define SSI_SFCSR_RFWM0(x) (((x) & 0xf) << 4)
131#define SSI_SFCSR_TFWM0(x) (((x) & 0xf) << 0)
132#define SSI_SFCSR_RFWM0_MASK (0xf << 4)
133#define SSI_SFCSR_TFWM0_MASK (0xf << 0)
134
135#define SSI_STR 0x30
136#define SSI_STR_TEST (1 << 15)
137#define SSI_STR_RCK2TCK (1 << 14)
138#define SSI_STR_RFS2TFS (1 << 13)
139#define SSI_STR_RXSTATE(x) (((x) & 0xf) << 8)
140#define SSI_STR_TXD2RXD (1 << 7)
141#define SSI_STR_TCK2RCK (1 << 6)
142#define SSI_STR_TFS2RFS (1 << 5)
143#define SSI_STR_TXSTATE(x) (((x) & 0xf) << 0)
144
145#define SSI_SOR 0x34
146#define SSI_SOR_CLKOFF (1 << 6)
147#define SSI_SOR_RX_CLR (1 << 5)
148#define SSI_SOR_TX_CLR (1 << 4)
149#define SSI_SOR_INIT (1 << 3)
150#define SSI_SOR_WAIT(x) (((x) & 0x3) << 1)
151#define SSI_SOR_WAIT_MASK (0x3 << 1)
152#define SSI_SOR_SYNRST (1 << 0)
153
154#define SSI_SACNT 0x38
155#define SSI_SACNT_FRDIV(x) (((x) & 0x3f) << 5)
156#define SSI_SACNT_WR (1 << 4)
157#define SSI_SACNT_RD (1 << 3)
158#define SSI_SACNT_TIF (1 << 2)
159#define SSI_SACNT_FV (1 << 1)
160#define SSI_SACNT_AC97EN (1 << 0)
161
162#define SSI_SACADD 0x3c
163#define SSI_SACDAT 0x40
164#define SSI_SATAG 0x44
165#define SSI_STMSK 0x48
166#define SSI_SRMSK 0x4c
167#define SSI_SACCST 0x50
168#define SSI_SACCEN 0x54
169#define SSI_SACCDIS 0x58
170
171
172#define IMX_SSP_SYS_CLK 0
173
174
175#define IMX_SSI_TX_DIV_2 0
176#define IMX_SSI_TX_DIV_PSR 1
177#define IMX_SSI_TX_DIV_PM 2
178#define IMX_SSI_RX_DIV_2 3
179#define IMX_SSI_RX_DIV_PSR 4
180#define IMX_SSI_RX_DIV_PM 5
181
182#define DRV_NAME "imx-ssi"
183
184#include <linux/dmaengine.h>
185#include <linux/platform_data/dma-imx.h>
186#include <sound/dmaengine_pcm.h>
187#include "imx-pcm.h"
188
189struct imx_ssi {
190 struct platform_device *ac97_dev;
191
192 struct snd_soc_dai *imx_ac97;
193 struct clk *clk;
194 void __iomem *base;
195 int irq;
196 int fiq_enable;
197 unsigned int offset;
198
199 unsigned int flags;
200
201 void (*ac97_reset) (struct snd_ac97 *ac97);
202 void (*ac97_warm_reset)(struct snd_ac97 *ac97);
203
204 struct snd_dmaengine_dai_dma_data dma_params_rx;
205 struct snd_dmaengine_dai_dma_data dma_params_tx;
206 struct imx_dma_data filter_data_tx;
207 struct imx_dma_data filter_data_rx;
208 struct imx_pcm_fiq_params fiq_params;
209
210 int fiq_init;
211 int dma_init;
212};
213
214#endif
215
