Commit | Line | Data |
---|---|---|
43550821 XL |
1 | /* |
2 | * Copyright 2012-2013 Freescale Semiconductor, Inc. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | */ | |
8 | ||
9 | #ifndef __FSL_SAI_H | |
10 | #define __FSL_SAI_H | |
11 | ||
12 | #include <sound/dmaengine_pcm.h> | |
13 | ||
14 | #define FSL_SAI_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ | |
15 | SNDRV_PCM_FMTBIT_S20_3LE |\ | |
16 | SNDRV_PCM_FMTBIT_S24_LE) | |
17 | ||
78957fc3 XL |
18 | /* SAI Register Map Register */ |
19 | #define FSL_SAI_TCSR 0x00 /* SAI Transmit Control */ | |
20 | #define FSL_SAI_TCR1 0x04 /* SAI Transmit Configuration 1 */ | |
21 | #define FSL_SAI_TCR2 0x08 /* SAI Transmit Configuration 2 */ | |
22 | #define FSL_SAI_TCR3 0x0c /* SAI Transmit Configuration 3 */ | |
23 | #define FSL_SAI_TCR4 0x10 /* SAI Transmit Configuration 4 */ | |
24 | #define FSL_SAI_TCR5 0x14 /* SAI Transmit Configuration 5 */ | |
25 | #define FSL_SAI_TDR 0x20 /* SAI Transmit Data */ | |
26 | #define FSL_SAI_TFR 0x40 /* SAI Transmit FIFO */ | |
27 | #define FSL_SAI_TMR 0x60 /* SAI Transmit Mask */ | |
28 | #define FSL_SAI_RCSR 0x80 /* SAI Receive Control */ | |
29 | #define FSL_SAI_RCR1 0x84 /* SAI Receive Configuration 1 */ | |
30 | #define FSL_SAI_RCR2 0x88 /* SAI Receive Configuration 2 */ | |
31 | #define FSL_SAI_RCR3 0x8c /* SAI Receive Configuration 3 */ | |
32 | #define FSL_SAI_RCR4 0x90 /* SAI Receive Configuration 4 */ | |
33 | #define FSL_SAI_RCR5 0x94 /* SAI Receive Configuration 5 */ | |
34 | #define FSL_SAI_RDR 0xa0 /* SAI Receive Data */ | |
35 | #define FSL_SAI_RFR 0xc0 /* SAI Receive FIFO */ | |
36 | #define FSL_SAI_RMR 0xe0 /* SAI Receive Mask */ | |
37 | ||
43550821 | 38 | /* SAI Transmit/Recieve Control Register */ |
43550821 XL |
39 | #define FSL_SAI_CSR_TERE BIT(31) |
40 | #define FSL_SAI_CSR_FWF BIT(17) | |
41 | #define FSL_SAI_CSR_FRIE BIT(8) | |
42 | #define FSL_SAI_CSR_FRDE BIT(0) | |
43 | ||
43550821 | 44 | /* SAI Transmit and Recieve Configuration 1 Register */ |
78957fc3 | 45 | #define FSL_SAI_CR1_RFW_MASK 0x1f |
43550821 XL |
46 | |
47 | /* SAI Transmit and Recieve Configuration 2 Register */ | |
43550821 XL |
48 | #define FSL_SAI_CR2_SYNC BIT(30) |
49 | #define FSL_SAI_CR2_MSEL_MASK (0xff << 26) | |
50 | #define FSL_SAI_CR2_MSEL_BUS 0 | |
51 | #define FSL_SAI_CR2_MSEL_MCLK1 BIT(26) | |
52 | #define FSL_SAI_CR2_MSEL_MCLK2 BIT(27) | |
53 | #define FSL_SAI_CR2_MSEL_MCLK3 (BIT(26) | BIT(27)) | |
54 | #define FSL_SAI_CR2_BCP BIT(25) | |
55 | #define FSL_SAI_CR2_BCD_MSTR BIT(24) | |
56 | ||
57 | /* SAI Transmit and Recieve Configuration 3 Register */ | |
43550821 XL |
58 | #define FSL_SAI_CR3_TRCE BIT(16) |
59 | #define FSL_SAI_CR3_WDFL(x) (x) | |
60 | #define FSL_SAI_CR3_WDFL_MASK 0x1f | |
61 | ||
62 | /* SAI Transmit and Recieve Configuration 4 Register */ | |
43550821 XL |
63 | #define FSL_SAI_CR4_FRSZ(x) (((x) - 1) << 16) |
64 | #define FSL_SAI_CR4_FRSZ_MASK (0x1f << 16) | |
65 | #define FSL_SAI_CR4_SYWD(x) (((x) - 1) << 8) | |
66 | #define FSL_SAI_CR4_SYWD_MASK (0x1f << 8) | |
67 | #define FSL_SAI_CR4_MF BIT(4) | |
68 | #define FSL_SAI_CR4_FSE BIT(3) | |
69 | #define FSL_SAI_CR4_FSP BIT(1) | |
70 | #define FSL_SAI_CR4_FSD_MSTR BIT(0) | |
71 | ||
72 | /* SAI Transmit and Recieve Configuration 5 Register */ | |
43550821 XL |
73 | #define FSL_SAI_CR5_WNW(x) (((x) - 1) << 24) |
74 | #define FSL_SAI_CR5_WNW_MASK (0x1f << 24) | |
75 | #define FSL_SAI_CR5_W0W(x) (((x) - 1) << 16) | |
76 | #define FSL_SAI_CR5_W0W_MASK (0x1f << 16) | |
77 | #define FSL_SAI_CR5_FBT(x) ((x) << 8) | |
78 | #define FSL_SAI_CR5_FBT_MASK (0x1f << 8) | |
79 | ||
80 | /* SAI type */ | |
81 | #define FSL_SAI_DMA BIT(0) | |
82 | #define FSL_SAI_USE_AC97 BIT(1) | |
83 | #define FSL_SAI_NET BIT(2) | |
84 | #define FSL_SAI_TRA_SYN BIT(3) | |
85 | #define FSL_SAI_REC_SYN BIT(4) | |
86 | #define FSL_SAI_USE_I2S_SLAVE BIT(5) | |
87 | ||
88 | #define FSL_FMT_TRANSMITTER 0 | |
89 | #define FSL_FMT_RECEIVER 1 | |
90 | ||
91 | /* SAI clock sources */ | |
92 | #define FSL_SAI_CLK_BUS 0 | |
93 | #define FSL_SAI_CLK_MAST1 1 | |
94 | #define FSL_SAI_CLK_MAST2 2 | |
95 | #define FSL_SAI_CLK_MAST3 3 | |
96 | ||
97 | /* SAI data transfer numbers per DMA request */ | |
98 | #define FSL_SAI_MAXBURST_TX 6 | |
99 | #define FSL_SAI_MAXBURST_RX 6 | |
100 | ||
101 | struct fsl_sai { | |
78957fc3 | 102 | struct regmap *regmap; |
43550821 XL |
103 | |
104 | bool big_endian_regs; | |
105 | bool big_endian_data; | |
106 | ||
107 | struct snd_dmaengine_dai_dma_data dma_params_rx; | |
108 | struct snd_dmaengine_dai_dma_data dma_params_tx; | |
109 | }; | |
110 | ||
111 | #endif /* __FSL_SAI_H */ |