2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License version 2 as
4 * published by the Free Software Foundation.
16 #define SSI_SCR_CLK_IST (1 << 9)
17 #define SSI_SCR_CLK_IST_SHIFT 9
18 #define SSI_SCR_TCH_EN (1 << 8)
19 #define SSI_SCR_SYS_CLK_EN (1 << 7)
20 #define SSI_SCR_I2S_MODE_NORM (0 << 5)
21 #define SSI_SCR_I2S_MODE_MSTR (1 << 5)
22 #define SSI_SCR_I2S_MODE_SLAVE (2 << 5)
23 #define SSI_I2S_MODE_MASK (3 << 5)
24 #define SSI_SCR_SYN (1 << 4)
25 #define SSI_SCR_NET (1 << 3)
26 #define SSI_SCR_RE (1 << 2)
27 #define SSI_SCR_TE (1 << 1)
28 #define SSI_SCR_SSIEN (1 << 0)
31 #define SSI_SISR_MASK ((1 << 19) - 1)
32 #define SSI_SISR_CMDAU (1 << 18)
33 #define SSI_SISR_CMDDU (1 << 17)
34 #define SSI_SISR_RXT (1 << 16)
35 #define SSI_SISR_RDR1 (1 << 15)
36 #define SSI_SISR_RDR0 (1 << 14)
37 #define SSI_SISR_TDE1 (1 << 13)
38 #define SSI_SISR_TDE0 (1 << 12)
39 #define SSI_SISR_ROE1 (1 << 11)
40 #define SSI_SISR_ROE0 (1 << 10)
41 #define SSI_SISR_TUE1 (1 << 9)
42 #define SSI_SISR_TUE0 (1 << 8)
43 #define SSI_SISR_TFS (1 << 7)
44 #define SSI_SISR_RFS (1 << 6)
45 #define SSI_SISR_TLS (1 << 5)
46 #define SSI_SISR_RLS (1 << 4)
47 #define SSI_SISR_RFF1 (1 << 3)
48 #define SSI_SISR_RFF0 (1 << 2)
49 #define SSI_SISR_TFE1 (1 << 1)
50 #define SSI_SISR_TFE0 (1 << 0)
53 #define SSI_SIER_RDMAE (1 << 22)
54 #define SSI_SIER_RIE (1 << 21)
55 #define SSI_SIER_TDMAE (1 << 20)
56 #define SSI_SIER_TIE (1 << 19)
57 #define SSI_SIER_CMDAU_EN (1 << 18)
58 #define SSI_SIER_CMDDU_EN (1 << 17)
59 #define SSI_SIER_RXT_EN (1 << 16)
60 #define SSI_SIER_RDR1_EN (1 << 15)
61 #define SSI_SIER_RDR0_EN (1 << 14)
62 #define SSI_SIER_TDE1_EN (1 << 13)
63 #define SSI_SIER_TDE0_EN (1 << 12)
64 #define SSI_SIER_ROE1_EN (1 << 11)
65 #define SSI_SIER_ROE0_EN (1 << 10)
66 #define SSI_SIER_TUE1_EN (1 << 9)
67 #define SSI_SIER_TUE0_EN (1 << 8)
68 #define SSI_SIER_TFS_EN (1 << 7)
69 #define SSI_SIER_RFS_EN (1 << 6)
70 #define SSI_SIER_TLS_EN (1 << 5)
71 #define SSI_SIER_RLS_EN (1 << 4)
72 #define SSI_SIER_RFF1_EN (1 << 3)
73 #define SSI_SIER_RFF0_EN (1 << 2)
74 #define SSI_SIER_TFE1_EN (1 << 1)
75 #define SSI_SIER_TFE0_EN (1 << 0)
78 #define SSI_STCR_TXBIT0 (1 << 9)
79 #define SSI_STCR_TFEN1 (1 << 8)
80 #define SSI_STCR_TFEN0 (1 << 7)
81 #define SSI_FIFO_ENABLE_0_SHIFT 7
82 #define SSI_STCR_TFDIR (1 << 6)
83 #define SSI_STCR_TXDIR (1 << 5)
84 #define SSI_STCR_TSHFD (1 << 4)
85 #define SSI_STCR_TSCKP (1 << 3)
86 #define SSI_STCR_TFSI (1 << 2)
87 #define SSI_STCR_TFSL (1 << 1)
88 #define SSI_STCR_TEFS (1 << 0)
91 #define SSI_SRCR_RXBIT0 (1 << 9)
92 #define SSI_SRCR_RFEN1 (1 << 8)
93 #define SSI_SRCR_RFEN0 (1 << 7)
94 #define SSI_FIFO_ENABLE_0_SHIFT 7
95 #define SSI_SRCR_RFDIR (1 << 6)
96 #define SSI_SRCR_RXDIR (1 << 5)
97 #define SSI_SRCR_RSHFD (1 << 4)
98 #define SSI_SRCR_RSCKP (1 << 3)
99 #define SSI_SRCR_RFSI (1 << 2)
100 #define SSI_SRCR_RFSL (1 << 1)
101 #define SSI_SRCR_REFS (1 << 0)
103 #define SSI_SRCCR 0x28
104 #define SSI_SRCCR_DIV2 (1 << 18)
105 #define SSI_SRCCR_PSR (1 << 17)
106 #define SSI_SRCCR_WL(x) ((((x) - 2) >> 1) << 13)
107 #define SSI_SRCCR_DC(x) (((x) & 0x1f) << 8)
108 #define SSI_SRCCR_PM(x) (((x) & 0xff) << 0)
109 #define SSI_SRCCR_WL_MASK (0xf << 13)
110 #define SSI_SRCCR_DC_MASK (0x1f << 8)
111 #define SSI_SRCCR_PM_MASK (0xff << 0)
113 #define SSI_STCCR 0x24
114 #define SSI_STCCR_DIV2 (1 << 18)
115 #define SSI_STCCR_PSR (1 << 17)
116 #define SSI_STCCR_WL(x) ((((x) - 2) >> 1) << 13)
117 #define SSI_STCCR_DC(x) (((x) & 0x1f) << 8)
118 #define SSI_STCCR_PM(x) (((x) & 0xff) << 0)
119 #define SSI_STCCR_WL_MASK (0xf << 13)
120 #define SSI_STCCR_DC_MASK (0x1f << 8)
121 #define SSI_STCCR_PM_MASK (0xff << 0)
123 #define SSI_SFCSR 0x2c
124 #define SSI_SFCSR_RFCNT1(x) (((x) & 0xf) << 28)
125 #define SSI_RX_FIFO_1_COUNT_SHIFT 28
126 #define SSI_SFCSR_TFCNT1(x) (((x) & 0xf) << 24)
127 #define SSI_TX_FIFO_1_COUNT_SHIFT 24
128 #define SSI_SFCSR_RFWM1(x) (((x) & 0xf) << 20)
129 #define SSI_SFCSR_TFWM1(x) (((x) & 0xf) << 16)
130 #define SSI_SFCSR_RFCNT0(x) (((x) & 0xf) << 12)
131 #define SSI_RX_FIFO_0_COUNT_SHIFT 12
132 #define SSI_SFCSR_TFCNT0(x) (((x) & 0xf) << 8)
133 #define SSI_TX_FIFO_0_COUNT_SHIFT 8
134 #define SSI_SFCSR_RFWM0(x) (((x) & 0xf) << 4)
135 #define SSI_SFCSR_TFWM0(x) (((x) & 0xf) << 0)
136 #define SSI_SFCSR_RFWM0_MASK (0xf << 4)
137 #define SSI_SFCSR_TFWM0_MASK (0xf << 0)
140 #define SSI_STR_TEST (1 << 15)
141 #define SSI_STR_RCK2TCK (1 << 14)
142 #define SSI_STR_RFS2TFS (1 << 13)
143 #define SSI_STR_RXSTATE(x) (((x) & 0xf) << 8)
144 #define SSI_STR_TXD2RXD (1 << 7)
145 #define SSI_STR_TCK2RCK (1 << 6)
146 #define SSI_STR_TFS2RFS (1 << 5)
147 #define SSI_STR_TXSTATE(x) (((x) & 0xf) << 0)
150 #define SSI_SOR_CLKOFF (1 << 6)
151 #define SSI_SOR_RX_CLR (1 << 5)
152 #define SSI_SOR_TX_CLR (1 << 4)
153 #define SSI_SOR_INIT (1 << 3)
154 #define SSI_SOR_WAIT(x) (((x) & 0x3) << 1)
155 #define SSI_SOR_WAIT_MASK (0x3 << 1)
156 #define SSI_SOR_SYNRST (1 << 0)
158 #define SSI_SACNT 0x38
159 #define SSI_SACNT_FRDIV(x) (((x) & 0x3f) << 5)
160 #define SSI_SACNT_WR (1 << 4)
161 #define SSI_SACNT_RD (1 << 3)
162 #define SSI_SACNT_TIF (1 << 2)
163 #define SSI_SACNT_FV (1 << 1)
164 #define SSI_SACNT_AC97EN (1 << 0)
166 #define SSI_SACADD 0x3c
167 #define SSI_SACDAT 0x40
168 #define SSI_SATAG 0x44
169 #define SSI_STMSK 0x48
170 #define SSI_SRMSK 0x4c
171 #define SSI_SACCST 0x50
172 #define SSI_SACCEN 0x54
173 #define SSI_SACCDIS 0x58
175 /* SSI clock sources */
176 #define IMX_SSP_SYS_CLK 0
178 /* SSI audio dividers */
179 #define IMX_SSI_TX_DIV_2 0
180 #define IMX_SSI_TX_DIV_PSR 1
181 #define IMX_SSI_TX_DIV_PM 2
182 #define IMX_SSI_RX_DIV_2 3
183 #define IMX_SSI_RX_DIV_PSR 4
184 #define IMX_SSI_RX_DIV_PM 5
186 extern struct snd_soc_dai imx_ssi_pcm_dai[2];
187 extern struct snd_soc_platform imx_soc_platform;
189 #define DRV_NAME "imx-ssi"
191 struct imx_pcm_dma_params {
193 unsigned long dma_addr;
198 struct platform_device *ac97_dev;
200 struct snd_soc_device imx_ac97;
209 void (*ac97_reset) (struct snd_ac97 *ac97);
210 void (*ac97_warm_reset)(struct snd_ac97 *ac97);
212 struct imx_pcm_dma_params dma_params_rx;
213 struct imx_pcm_dma_params dma_params_tx;
218 struct snd_soc_platform *imx_ssi_fiq_init(struct platform_device *pdev,
219 struct imx_ssi *ssi);
220 void imx_ssi_fiq_exit(struct platform_device *pdev, struct imx_ssi *ssi);
221 struct snd_soc_platform *imx_ssi_dma_mx2_init(struct platform_device *pdev,
222 struct imx_ssi *ssi);
224 int snd_imx_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma);
225 int imx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
226 struct snd_pcm *pcm);
227 void imx_pcm_free(struct snd_pcm *pcm);
230 * Do not change this as the FIQ handler depends on this size
232 #define IMX_SSI_DMABUF_SIZE (64 * 1024)
234 #define DMA_RXFIFO_BURST 0x4
235 #define DMA_TXFIFO_BURST 0x6
237 #endif /* _IMX_SSI_H */