| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * Copyright 2012-2013 Freescale Semiconductor, Inc. |
| 4 | */ |
| 5 | |
| 6 | #ifndef __FSL_SAI_H |
| 7 | #define __FSL_SAI_H |
| 8 | |
| 9 | #include <linux/dma/imx-dma.h> |
| 10 | #include <sound/dmaengine_pcm.h> |
| 11 | |
| 12 | #define FAL_SAI_NUM_RATES 20 |
| 13 | #define FSL_SAI_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ |
| 14 | SNDRV_PCM_FMTBIT_S20_3LE |\ |
| 15 | SNDRV_PCM_FMTBIT_S24_LE |\ |
| 16 | SNDRV_PCM_FMTBIT_S32_LE |\ |
| 17 | SNDRV_PCM_FMTBIT_DSD_U8 |\ |
| 18 | SNDRV_PCM_FMTBIT_DSD_U16_LE |\ |
| 19 | SNDRV_PCM_FMTBIT_DSD_U32_LE) |
| 20 | |
| 21 | /* SAI Register Map Register */ |
| 22 | #define FSL_SAI_VERID 0x00 /* SAI Version ID Register */ |
| 23 | #define FSL_SAI_PARAM 0x04 /* SAI Parameter Register */ |
| 24 | #define FSL_SAI_TCSR(ofs) (0x00 + ofs) /* SAI Transmit Control */ |
| 25 | #define FSL_SAI_TCR1(ofs) (0x04 + ofs) /* SAI Transmit Configuration 1 */ |
| 26 | #define FSL_SAI_TCR2(ofs) (0x08 + ofs) /* SAI Transmit Configuration 2 */ |
| 27 | #define FSL_SAI_TCR3(ofs) (0x0c + ofs) /* SAI Transmit Configuration 3 */ |
| 28 | #define FSL_SAI_TCR4(ofs) (0x10 + ofs) /* SAI Transmit Configuration 4 */ |
| 29 | #define FSL_SAI_TCR5(ofs) (0x14 + ofs) /* SAI Transmit Configuration 5 */ |
| 30 | #define FSL_SAI_TDR0 0x20 /* SAI Transmit Data 0 */ |
| 31 | #define FSL_SAI_TDR1 0x24 /* SAI Transmit Data 1 */ |
| 32 | #define FSL_SAI_TDR2 0x28 /* SAI Transmit Data 2 */ |
| 33 | #define FSL_SAI_TDR3 0x2C /* SAI Transmit Data 3 */ |
| 34 | #define FSL_SAI_TDR4 0x30 /* SAI Transmit Data 4 */ |
| 35 | #define FSL_SAI_TDR5 0x34 /* SAI Transmit Data 5 */ |
| 36 | #define FSL_SAI_TDR6 0x38 /* SAI Transmit Data 6 */ |
| 37 | #define FSL_SAI_TDR7 0x3C /* SAI Transmit Data 7 */ |
| 38 | #define FSL_SAI_TFR0 0x40 /* SAI Transmit FIFO 0 */ |
| 39 | #define FSL_SAI_TFR1 0x44 /* SAI Transmit FIFO 1 */ |
| 40 | #define FSL_SAI_TFR2 0x48 /* SAI Transmit FIFO 2 */ |
| 41 | #define FSL_SAI_TFR3 0x4C /* SAI Transmit FIFO 3 */ |
| 42 | #define FSL_SAI_TFR4 0x50 /* SAI Transmit FIFO 4 */ |
| 43 | #define FSL_SAI_TFR5 0x54 /* SAI Transmit FIFO 5 */ |
| 44 | #define FSL_SAI_TFR6 0x58 /* SAI Transmit FIFO 6 */ |
| 45 | #define FSL_SAI_TFR7 0x5C /* SAI Transmit FIFO 7 */ |
| 46 | #define FSL_SAI_TMR 0x60 /* SAI Transmit Mask */ |
| 47 | #define FSL_SAI_TTCTL 0x70 /* SAI Transmit Timestamp Control Register */ |
| 48 | #define FSL_SAI_TTCTN 0x74 /* SAI Transmit Timestamp Counter Register */ |
| 49 | #define FSL_SAI_TBCTN 0x78 /* SAI Transmit Bit Counter Register */ |
| 50 | #define FSL_SAI_TTCAP 0x7C /* SAI Transmit Timestamp Capture */ |
| 51 | #define FSL_SAI_RCSR(ofs) (0x80 + ofs) /* SAI Receive Control */ |
| 52 | #define FSL_SAI_RCR1(ofs) (0x84 + ofs)/* SAI Receive Configuration 1 */ |
| 53 | #define FSL_SAI_RCR2(ofs) (0x88 + ofs) /* SAI Receive Configuration 2 */ |
| 54 | #define FSL_SAI_RCR3(ofs) (0x8c + ofs) /* SAI Receive Configuration 3 */ |
| 55 | #define FSL_SAI_RCR4(ofs) (0x90 + ofs) /* SAI Receive Configuration 4 */ |
| 56 | #define FSL_SAI_RCR5(ofs) (0x94 + ofs) /* SAI Receive Configuration 5 */ |
| 57 | #define FSL_SAI_RDR0 0xa0 /* SAI Receive Data 0 */ |
| 58 | #define FSL_SAI_RDR1 0xa4 /* SAI Receive Data 1 */ |
| 59 | #define FSL_SAI_RDR2 0xa8 /* SAI Receive Data 2 */ |
| 60 | #define FSL_SAI_RDR3 0xac /* SAI Receive Data 3 */ |
| 61 | #define FSL_SAI_RDR4 0xb0 /* SAI Receive Data 4 */ |
| 62 | #define FSL_SAI_RDR5 0xb4 /* SAI Receive Data 5 */ |
| 63 | #define FSL_SAI_RDR6 0xb8 /* SAI Receive Data 6 */ |
| 64 | #define FSL_SAI_RDR7 0xbc /* SAI Receive Data 7 */ |
| 65 | #define FSL_SAI_RFR0 0xc0 /* SAI Receive FIFO 0 */ |
| 66 | #define FSL_SAI_RFR1 0xc4 /* SAI Receive FIFO 1 */ |
| 67 | #define FSL_SAI_RFR2 0xc8 /* SAI Receive FIFO 2 */ |
| 68 | #define FSL_SAI_RFR3 0xcc /* SAI Receive FIFO 3 */ |
| 69 | #define FSL_SAI_RFR4 0xd0 /* SAI Receive FIFO 4 */ |
| 70 | #define FSL_SAI_RFR5 0xd4 /* SAI Receive FIFO 5 */ |
| 71 | #define FSL_SAI_RFR6 0xd8 /* SAI Receive FIFO 6 */ |
| 72 | #define FSL_SAI_RFR7 0xdc /* SAI Receive FIFO 7 */ |
| 73 | #define FSL_SAI_RMR 0xe0 /* SAI Receive Mask */ |
| 74 | #define FSL_SAI_RTCTL 0xf0 /* SAI Receive Timestamp Control Register */ |
| 75 | #define FSL_SAI_RTCTN 0xf4 /* SAI Receive Timestamp Counter Register */ |
| 76 | #define FSL_SAI_RBCTN 0xf8 /* SAI Receive Bit Counter Register */ |
| 77 | #define FSL_SAI_RTCAP 0xfc /* SAI Receive Timestamp Capture */ |
| 78 | |
| 79 | #define FSL_SAI_MCTL 0x100 /* SAI MCLK Control Register */ |
| 80 | #define FSL_SAI_MDIV 0x104 /* SAI MCLK Divide Register */ |
| 81 | |
| 82 | #define FSL_SAI_xCSR(tx, ofs) (tx ? FSL_SAI_TCSR(ofs) : FSL_SAI_RCSR(ofs)) |
| 83 | #define FSL_SAI_xCR1(tx, ofs) (tx ? FSL_SAI_TCR1(ofs) : FSL_SAI_RCR1(ofs)) |
| 84 | #define FSL_SAI_xCR2(tx, ofs) (tx ? FSL_SAI_TCR2(ofs) : FSL_SAI_RCR2(ofs)) |
| 85 | #define FSL_SAI_xCR3(tx, ofs) (tx ? FSL_SAI_TCR3(ofs) : FSL_SAI_RCR3(ofs)) |
| 86 | #define FSL_SAI_xCR4(tx, ofs) (tx ? FSL_SAI_TCR4(ofs) : FSL_SAI_RCR4(ofs)) |
| 87 | #define FSL_SAI_xCR5(tx, ofs) (tx ? FSL_SAI_TCR5(ofs) : FSL_SAI_RCR5(ofs)) |
| 88 | #define FSL_SAI_xDR0(tx) (tx ? FSL_SAI_TDR0 : FSL_SAI_RDR0) |
| 89 | #define FSL_SAI_xFR0(tx) (tx ? FSL_SAI_TFR0 : FSL_SAI_RFR0) |
| 90 | #define FSL_SAI_xMR(tx) (tx ? FSL_SAI_TMR : FSL_SAI_RMR) |
| 91 | |
| 92 | /* SAI Transmit/Receive Control Register */ |
| 93 | #define FSL_SAI_CSR_TERE BIT(31) |
| 94 | #define FSL_SAI_CSR_SE BIT(30) |
| 95 | #define FSL_SAI_CSR_BCE BIT(28) |
| 96 | #define FSL_SAI_CSR_FR BIT(25) |
| 97 | #define FSL_SAI_CSR_SR BIT(24) |
| 98 | #define FSL_SAI_CSR_xF_SHIFT 16 |
| 99 | #define FSL_SAI_CSR_xF_W_SHIFT 18 |
| 100 | #define FSL_SAI_CSR_xF_MASK (0x1f << FSL_SAI_CSR_xF_SHIFT) |
| 101 | #define FSL_SAI_CSR_xF_W_MASK (0x7 << FSL_SAI_CSR_xF_W_SHIFT) |
| 102 | #define FSL_SAI_CSR_WSF BIT(20) |
| 103 | #define FSL_SAI_CSR_SEF BIT(19) |
| 104 | #define FSL_SAI_CSR_FEF BIT(18) |
| 105 | #define FSL_SAI_CSR_FWF BIT(17) |
| 106 | #define FSL_SAI_CSR_FRF BIT(16) |
| 107 | #define FSL_SAI_CSR_xIE_SHIFT 8 |
| 108 | #define FSL_SAI_CSR_xIE_MASK (0x1f << FSL_SAI_CSR_xIE_SHIFT) |
| 109 | #define FSL_SAI_CSR_WSIE BIT(12) |
| 110 | #define FSL_SAI_CSR_SEIE BIT(11) |
| 111 | #define FSL_SAI_CSR_FEIE BIT(10) |
| 112 | #define FSL_SAI_CSR_FWIE BIT(9) |
| 113 | #define FSL_SAI_CSR_FRIE BIT(8) |
| 114 | #define FSL_SAI_CSR_FRDE BIT(0) |
| 115 | |
| 116 | /* SAI Transmit and Receive Configuration 1 Register */ |
| 117 | #define FSL_SAI_CR1_RFW_MASK(x) ((x) - 1) |
| 118 | |
| 119 | /* SAI Transmit and Receive Configuration 2 Register */ |
| 120 | #define FSL_SAI_CR2_SYNC BIT(30) |
| 121 | #define FSL_SAI_CR2_BCI BIT(28) |
| 122 | #define FSL_SAI_CR2_MSEL_MASK (0x3 << 26) |
| 123 | #define FSL_SAI_CR2_MSEL_BUS 0 |
| 124 | #define FSL_SAI_CR2_MSEL_MCLK1 BIT(26) |
| 125 | #define FSL_SAI_CR2_MSEL_MCLK2 BIT(27) |
| 126 | #define FSL_SAI_CR2_MSEL_MCLK3 (BIT(26) | BIT(27)) |
| 127 | #define FSL_SAI_CR2_MSEL(ID) ((ID) << 26) |
| 128 | #define FSL_SAI_CR2_BCP BIT(25) |
| 129 | #define FSL_SAI_CR2_BCD_MSTR BIT(24) |
| 130 | #define FSL_SAI_CR2_BYP BIT(23) /* BCLK bypass */ |
| 131 | #define FSL_SAI_CR2_DIV_MASK 0xff |
| 132 | |
| 133 | /* SAI Transmit and Receive Configuration 3 Register */ |
| 134 | #define FSL_SAI_CR3_TRCE(x) ((x) << 16) |
| 135 | #define FSL_SAI_CR3_TRCE_MASK GENMASK(23, 16) |
| 136 | #define FSL_SAI_CR3_WDFL(x) (x) |
| 137 | #define FSL_SAI_CR3_WDFL_MASK 0x1f |
| 138 | |
| 139 | /* SAI Transmit and Receive Configuration 4 Register */ |
| 140 | |
| 141 | #define FSL_SAI_CR4_FCONT_MASK BIT(28) |
| 142 | #define FSL_SAI_CR4_FCONT BIT(28) |
| 143 | #define FSL_SAI_CR4_FCOMB_SHIFT BIT(26) |
| 144 | #define FSL_SAI_CR4_FCOMB_SOFT BIT(27) |
| 145 | #define FSL_SAI_CR4_FCOMB_MASK (0x3 << 26) |
| 146 | #define FSL_SAI_CR4_FPACK_8 (0x2 << 24) |
| 147 | #define FSL_SAI_CR4_FPACK_16 (0x3 << 24) |
| 148 | #define FSL_SAI_CR4_FRSZ(x) (((x) - 1) << 16) |
| 149 | #define FSL_SAI_CR4_FRSZ_MASK (0x1f << 16) |
| 150 | #define FSL_SAI_CR4_SYWD(x) (((x) - 1) << 8) |
| 151 | #define FSL_SAI_CR4_SYWD_MASK (0x1f << 8) |
| 152 | #define FSL_SAI_CR4_CHMOD BIT(5) |
| 153 | #define FSL_SAI_CR4_CHMOD_MASK BIT(5) |
| 154 | #define FSL_SAI_CR4_MF BIT(4) |
| 155 | #define FSL_SAI_CR4_FSE BIT(3) |
| 156 | #define FSL_SAI_CR4_FSP BIT(1) |
| 157 | #define FSL_SAI_CR4_FSD_MSTR BIT(0) |
| 158 | |
| 159 | /* SAI Transmit and Receive Configuration 5 Register */ |
| 160 | #define FSL_SAI_CR5_WNW(x) (((x) - 1) << 24) |
| 161 | #define FSL_SAI_CR5_WNW_MASK (0x1f << 24) |
| 162 | #define FSL_SAI_CR5_W0W(x) (((x) - 1) << 16) |
| 163 | #define FSL_SAI_CR5_W0W_MASK (0x1f << 16) |
| 164 | #define FSL_SAI_CR5_FBT(x) ((x) << 8) |
| 165 | #define FSL_SAI_CR5_FBT_MASK (0x1f << 8) |
| 166 | |
| 167 | /* SAI MCLK Control Register */ |
| 168 | #define FSL_SAI_MCTL_MCLK_EN BIT(30) /* MCLK Enable */ |
| 169 | #define FSL_SAI_MCTL_MSEL_MASK (0x3 << 24) |
| 170 | #define FSL_SAI_MCTL_MSEL(ID) ((ID) << 24) |
| 171 | #define FSL_SAI_MCTL_MSEL_BUS 0 |
| 172 | #define FSL_SAI_MCTL_MSEL_MCLK1 BIT(24) |
| 173 | #define FSL_SAI_MCTL_MSEL_MCLK2 BIT(25) |
| 174 | #define FSL_SAI_MCTL_MSEL_MCLK3 (BIT(24) | BIT(25)) |
| 175 | #define FSL_SAI_MCTL_DIV_EN BIT(23) |
| 176 | #define FSL_SAI_MCTL_DIV_MASK 0xFF |
| 177 | |
| 178 | /* SAI VERID Register */ |
| 179 | #define FSL_SAI_VERID_MAJOR_SHIFT 24 |
| 180 | #define FSL_SAI_VERID_MAJOR_MASK GENMASK(31, 24) |
| 181 | #define FSL_SAI_VERID_MINOR_SHIFT 16 |
| 182 | #define FSL_SAI_VERID_MINOR_MASK GENMASK(23, 16) |
| 183 | #define FSL_SAI_VERID_FEATURE_SHIFT 0 |
| 184 | #define FSL_SAI_VERID_FEATURE_MASK GENMASK(15, 0) |
| 185 | #define FSL_SAI_VERID_EFIFO_EN BIT(0) |
| 186 | #define FSL_SAI_VERID_TSTMP_EN BIT(1) |
| 187 | |
| 188 | /* SAI PARAM Register */ |
| 189 | #define FSL_SAI_PARAM_SPF_SHIFT 16 |
| 190 | #define FSL_SAI_PARAM_SPF_MASK GENMASK(19, 16) |
| 191 | #define FSL_SAI_PARAM_WPF_SHIFT 8 |
| 192 | #define FSL_SAI_PARAM_WPF_MASK GENMASK(11, 8) |
| 193 | #define FSL_SAI_PARAM_DLN_MASK GENMASK(3, 0) |
| 194 | |
| 195 | /* SAI MCLK Divide Register */ |
| 196 | #define FSL_SAI_MDIV_MASK 0xFFFFF |
| 197 | |
| 198 | /* SAI timestamp and bitcounter */ |
| 199 | #define FSL_SAI_xTCTL_TSEN BIT(0) |
| 200 | #define FSL_SAI_xTCTL_TSINC BIT(1) |
| 201 | #define FSL_SAI_xTCTL_RTSC BIT(8) |
| 202 | #define FSL_SAI_xTCTL_RBC BIT(9) |
| 203 | |
| 204 | /* SAI type */ |
| 205 | #define FSL_SAI_DMA BIT(0) |
| 206 | #define FSL_SAI_USE_AC97 BIT(1) |
| 207 | #define FSL_SAI_NET BIT(2) |
| 208 | #define FSL_SAI_TRA_SYN BIT(3) |
| 209 | #define FSL_SAI_REC_SYN BIT(4) |
| 210 | #define FSL_SAI_USE_I2S_SLAVE BIT(5) |
| 211 | |
| 212 | /* SAI clock sources */ |
| 213 | #define FSL_SAI_CLK_BUS 0 |
| 214 | #define FSL_SAI_CLK_MAST1 1 |
| 215 | #define FSL_SAI_CLK_MAST2 2 |
| 216 | #define FSL_SAI_CLK_MAST3 3 |
| 217 | |
| 218 | #define FSL_SAI_MCLK_MAX 4 |
| 219 | |
| 220 | /* SAI data transfer numbers per DMA request */ |
| 221 | #define FSL_SAI_MAXBURST_TX 6 |
| 222 | #define FSL_SAI_MAXBURST_RX 6 |
| 223 | |
| 224 | #define PMQOS_CPU_LATENCY BIT(0) |
| 225 | |
| 226 | /* Max number of dataline */ |
| 227 | #define FSL_SAI_DL_NUM (8) |
| 228 | /* default dataline type is zero */ |
| 229 | #define FSL_SAI_DL_DEFAULT (0) |
| 230 | #define FSL_SAI_DL_I2S BIT(0) |
| 231 | #define FSL_SAI_DL_PDM BIT(1) |
| 232 | |
| 233 | struct fsl_sai_soc_data { |
| 234 | bool use_imx_pcm; |
| 235 | bool use_edma; |
| 236 | bool mclk0_is_mclk1; |
| 237 | bool mclk_with_tere; |
| 238 | unsigned int fifo_depth; |
| 239 | unsigned int pins; |
| 240 | unsigned int reg_offset; |
| 241 | unsigned int flags; |
| 242 | unsigned int max_register; |
| 243 | unsigned int max_burst[2]; |
| 244 | }; |
| 245 | |
| 246 | /** |
| 247 | * struct fsl_sai_verid - version id data |
| 248 | * @version: version number |
| 249 | * @feature: feature specification number |
| 250 | * 0000000000000000b - Standard feature set |
| 251 | * 0000000000000000b - Standard feature set |
| 252 | */ |
| 253 | struct fsl_sai_verid { |
| 254 | u32 version; |
| 255 | u32 feature; |
| 256 | }; |
| 257 | |
| 258 | /** |
| 259 | * struct fsl_sai_param - parameter data |
| 260 | * @slot_num: The maximum number of slots per frame |
| 261 | * @fifo_depth: The number of words in each FIFO (depth) |
| 262 | * @dataline: The number of datalines implemented |
| 263 | */ |
| 264 | struct fsl_sai_param { |
| 265 | u32 slot_num; |
| 266 | u32 fifo_depth; |
| 267 | u32 dataline; |
| 268 | }; |
| 269 | |
| 270 | struct fsl_sai_dl_cfg { |
| 271 | unsigned int type; |
| 272 | unsigned int pins[2]; |
| 273 | unsigned int mask[2]; |
| 274 | unsigned int start_off[2]; |
| 275 | unsigned int next_off[2]; |
| 276 | }; |
| 277 | |
| 278 | struct fsl_sai { |
| 279 | struct platform_device *pdev; |
| 280 | struct regmap *regmap; |
| 281 | struct clk *bus_clk; |
| 282 | struct clk *mclk_clk[FSL_SAI_MCLK_MAX]; |
| 283 | struct clk *pll8k_clk; |
| 284 | struct clk *pll11k_clk; |
| 285 | struct resource *res; |
| 286 | |
| 287 | bool is_consumer_mode[2]; |
| 288 | bool is_lsb_first; |
| 289 | bool is_dsp_mode[2]; |
| 290 | bool is_pdm_mode; |
| 291 | bool is_multi_fifo_dma; |
| 292 | bool synchronous[2]; |
| 293 | struct fsl_sai_dl_cfg *dl_cfg; |
| 294 | unsigned int dl_cfg_cnt; |
| 295 | bool mclk_direction_output; |
| 296 | |
| 297 | unsigned int mclk_id[2]; |
| 298 | unsigned int mclk_streams; |
| 299 | unsigned int slots[2]; |
| 300 | unsigned int slot_width[2]; |
| 301 | unsigned int bclk_ratio; |
| 302 | |
| 303 | const struct fsl_sai_soc_data *soc_data; |
| 304 | struct snd_soc_dai_driver cpu_dai_drv[3]; |
| 305 | struct snd_dmaengine_dai_dma_data dma_params_rx; |
| 306 | struct snd_dmaengine_dai_dma_data dma_params_tx; |
| 307 | struct fsl_sai_verid verid; |
| 308 | struct fsl_sai_param param; |
| 309 | struct pm_qos_request pm_qos_req; |
| 310 | struct pinctrl *pinctrl; |
| 311 | struct pinctrl_state *pins_state; |
| 312 | struct sdma_peripheral_config audio_config[2]; |
| 313 | struct snd_pcm_hw_constraint_list constraint_rates; |
| 314 | unsigned int constraint_rates_list[FAL_SAI_NUM_RATES]; |
| 315 | }; |
| 316 | |
| 317 | #define TX 1 |
| 318 | #define RX 0 |
| 319 | |
| 320 | #endif /* __FSL_SAI_H */ |
| 321 | |