Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 1 | /* |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 2 | * Renesas R-Car SRC support |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2013 Renesas Solutions Corp. |
| 5 | * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 as |
| 9 | * published by the Free Software Foundation. |
| 10 | */ |
| 11 | #include "rsnd.h" |
| 12 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 13 | struct rsnd_src { |
| 14 | struct rsnd_src_platform_info *info; /* rcar_snd.h */ |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 15 | struct rsnd_mod mod; |
Kuninori Morimoto | ef74940 | 2013-12-19 19:28:51 -0800 | [diff] [blame] | 16 | struct clk *clk; |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 17 | }; |
| 18 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 19 | #define RSND_SRC_NAME_SIZE 16 |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 20 | |
| 21 | /* |
| 22 | * ADINR |
| 23 | */ |
| 24 | #define OTBL_24 (0 << 16) |
| 25 | #define OTBL_22 (2 << 16) |
| 26 | #define OTBL_20 (4 << 16) |
| 27 | #define OTBL_18 (6 << 16) |
| 28 | #define OTBL_16 (8 << 16) |
| 29 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 30 | #define rsnd_src_mode_flags(p) ((p)->info->flags) |
| 31 | #define rsnd_src_convert_rate(p) ((p)->info->convert_rate) |
| 32 | #define rsnd_mod_to_src(_mod) \ |
| 33 | container_of((_mod), struct rsnd_src, mod) |
| 34 | #define rsnd_src_hpbif_is_enable(src) \ |
| 35 | (rsnd_src_mode_flags(src) & RSND_SCU_USE_HPBIF) |
| 36 | #define rsnd_src_dma_available(src) \ |
| 37 | rsnd_dma_available(rsnd_mod_to_dma(&(src)->mod)) |
Kuninori Morimoto | 39cf3c4 | 2014-01-23 18:40:47 -0800 | [diff] [blame] | 38 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 39 | #define for_each_rsnd_src(pos, priv, i) \ |
Kuninori Morimoto | 39cf3c4 | 2014-01-23 18:40:47 -0800 | [diff] [blame] | 40 | for ((i) = 0; \ |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 41 | ((i) < rsnd_src_nr(priv)) && \ |
| 42 | ((pos) = (struct rsnd_src *)(priv)->src + i); \ |
Kuninori Morimoto | 39cf3c4 | 2014-01-23 18:40:47 -0800 | [diff] [blame] | 43 | i++) |
| 44 | |
| 45 | |
Kuninori Morimoto | ef74940 | 2013-12-19 19:28:51 -0800 | [diff] [blame] | 46 | /* |
| 47 | * image of SRC (Sampling Rate Converter) |
| 48 | * |
| 49 | * 96kHz <-> +-----+ 48kHz +-----+ 48kHz +-------+ |
| 50 | * 48kHz <-> | SRC | <------> | SSI | <-----> | codec | |
| 51 | * 44.1kHz <-> +-----+ +-----+ +-------+ |
| 52 | * ... |
| 53 | * |
| 54 | */ |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 55 | |
Kuninori Morimoto | 41c6221 | 2014-01-23 18:39:56 -0800 | [diff] [blame] | 56 | /* |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 57 | * src.c is caring... |
Kuninori Morimoto | c926b74 | 2014-01-23 18:40:41 -0800 | [diff] [blame] | 58 | * |
| 59 | * Gen1 |
| 60 | * |
| 61 | * [mem] -> [SRU] -> [SSI] |
| 62 | * |--------| |
| 63 | * |
| 64 | * Gen2 |
| 65 | * |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 66 | * [mem] -> [SRC] -> [SSIU] -> [SSI] |
Kuninori Morimoto | c926b74 | 2014-01-23 18:40:41 -0800 | [diff] [blame] | 67 | * |-----------------| |
| 68 | */ |
| 69 | |
| 70 | /* |
Kuninori Morimoto | 41c6221 | 2014-01-23 18:39:56 -0800 | [diff] [blame] | 71 | * How to use SRC bypass mode for debugging |
| 72 | * |
| 73 | * SRC has bypass mode, and it is useful for debugging. |
| 74 | * In Gen2 case, |
| 75 | * SRCm_MODE controls whether SRC is used or not |
| 76 | * SSI_MODE0 controls whether SSIU which receives SRC data |
| 77 | * is used or not. |
| 78 | * Both SRCm_MODE/SSI_MODE0 settings are needed if you use SRC, |
| 79 | * but SRC bypass mode needs SSI_MODE0 only. |
| 80 | * |
| 81 | * This driver request |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 82 | * struct rsnd_src_platform_info { |
Kuninori Morimoto | 41c6221 | 2014-01-23 18:39:56 -0800 | [diff] [blame] | 83 | * u32 flags; |
| 84 | * u32 convert_rate; |
| 85 | * } |
| 86 | * |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 87 | * rsnd_src_hpbif_is_enable() will be true |
| 88 | * if flags had RSND_SRC_USE_HPBIF, |
Kuninori Morimoto | 41c6221 | 2014-01-23 18:39:56 -0800 | [diff] [blame] | 89 | * and it controls whether SSIU is used or not. |
| 90 | * |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 91 | * rsnd_src_convert_rate() indicates |
Kuninori Morimoto | 41c6221 | 2014-01-23 18:39:56 -0800 | [diff] [blame] | 92 | * above convert_rate, and it controls |
| 93 | * whether SRC is used or not. |
| 94 | * |
| 95 | * ex) doesn't use SRC |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 96 | * struct rsnd_src_platform_info info = { |
Kuninori Morimoto | 41c6221 | 2014-01-23 18:39:56 -0800 | [diff] [blame] | 97 | * .flags = 0, |
| 98 | * .convert_rate = 0, |
| 99 | * }; |
| 100 | * |
| 101 | * ex) uses SRC |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 102 | * struct rsnd_src_platform_info info = { |
| 103 | * .flags = RSND_SRC_USE_HPBIF, |
Kuninori Morimoto | 41c6221 | 2014-01-23 18:39:56 -0800 | [diff] [blame] | 104 | * .convert_rate = 48000, |
| 105 | * }; |
| 106 | * |
| 107 | * ex) uses SRC bypass mode |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 108 | * struct rsnd_src_platform_info info = { |
| 109 | * .flags = RSND_SRC_USE_HPBIF, |
Kuninori Morimoto | 41c6221 | 2014-01-23 18:39:56 -0800 | [diff] [blame] | 110 | * .convert_rate = 0, |
| 111 | * }; |
| 112 | * |
| 113 | */ |
| 114 | |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 115 | /* |
| 116 | * Gen1/Gen2 common functions |
| 117 | */ |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 118 | int rsnd_src_ssi_mode_init(struct rsnd_mod *ssi_mod, |
Kuninori Morimoto | 221bf52 | 2014-03-03 20:50:24 -0800 | [diff] [blame] | 119 | struct rsnd_dai *rdai, |
| 120 | struct rsnd_dai_stream *io) |
Kuninori Morimoto | 7b5ce97 | 2014-01-23 18:39:32 -0800 | [diff] [blame] | 121 | { |
Kuninori Morimoto | 221bf52 | 2014-03-03 20:50:24 -0800 | [diff] [blame] | 122 | struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod); |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 123 | struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io); |
Kuninori Morimoto | 221bf52 | 2014-03-03 20:50:24 -0800 | [diff] [blame] | 124 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
Kuninori Morimoto | 374e542 | 2014-03-02 23:43:03 -0800 | [diff] [blame] | 125 | int ssi_id = rsnd_mod_id(ssi_mod); |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 126 | int has_src = 0; |
Kuninori Morimoto | 7b5ce97 | 2014-01-23 18:39:32 -0800 | [diff] [blame] | 127 | |
| 128 | /* |
| 129 | * SSI_MODE0 |
| 130 | */ |
Kuninori Morimoto | 221bf52 | 2014-03-03 20:50:24 -0800 | [diff] [blame] | 131 | if (info->dai_info) { |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 132 | has_src = !!src_mod; |
Kuninori Morimoto | 221bf52 | 2014-03-03 20:50:24 -0800 | [diff] [blame] | 133 | } else { |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 134 | struct rsnd_src *src = rsnd_mod_to_src(src_mod); |
| 135 | has_src = rsnd_src_hpbif_is_enable(src); |
Kuninori Morimoto | 221bf52 | 2014-03-03 20:50:24 -0800 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | rsnd_mod_bset(ssi_mod, SSI_MODE0, (1 << ssi_id), |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 139 | has_src ? 0 : (1 << ssi_id)); |
Kuninori Morimoto | 7b5ce97 | 2014-01-23 18:39:32 -0800 | [diff] [blame] | 140 | |
| 141 | /* |
| 142 | * SSI_MODE1 |
| 143 | */ |
Kuninori Morimoto | 374e542 | 2014-03-02 23:43:03 -0800 | [diff] [blame] | 144 | if (rsnd_ssi_is_pin_sharing(ssi_mod)) { |
Kuninori Morimoto | 7b5ce97 | 2014-01-23 18:39:32 -0800 | [diff] [blame] | 145 | int shift = -1; |
Kuninori Morimoto | 374e542 | 2014-03-02 23:43:03 -0800 | [diff] [blame] | 146 | switch (ssi_id) { |
Kuninori Morimoto | 7b5ce97 | 2014-01-23 18:39:32 -0800 | [diff] [blame] | 147 | case 1: |
| 148 | shift = 0; |
| 149 | break; |
| 150 | case 2: |
| 151 | shift = 2; |
| 152 | break; |
| 153 | case 4: |
| 154 | shift = 16; |
| 155 | break; |
| 156 | } |
| 157 | |
| 158 | if (shift >= 0) |
Kuninori Morimoto | 221bf52 | 2014-03-03 20:50:24 -0800 | [diff] [blame] | 159 | rsnd_mod_bset(ssi_mod, SSI_MODE1, |
Kuninori Morimoto | 7b5ce97 | 2014-01-23 18:39:32 -0800 | [diff] [blame] | 160 | 0x3 << shift, |
| 161 | rsnd_dai_is_clk_master(rdai) ? |
| 162 | 0x2 << shift : 0x1 << shift); |
| 163 | } |
| 164 | |
| 165 | return 0; |
| 166 | } |
| 167 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 168 | int rsnd_src_enable_ssi_irq(struct rsnd_mod *ssi_mod, |
Kuninori Morimoto | b8cc41e | 2014-03-03 20:50:08 -0800 | [diff] [blame] | 169 | struct rsnd_dai *rdai, |
| 170 | struct rsnd_dai_stream *io) |
| 171 | { |
| 172 | struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod); |
| 173 | |
| 174 | /* enable PIO interrupt if Gen2 */ |
| 175 | if (rsnd_is_gen2(priv)) |
| 176 | rsnd_mod_write(ssi_mod, INT_ENABLE, 0x0f000000); |
| 177 | |
| 178 | return 0; |
| 179 | } |
| 180 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 181 | unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv, |
Kuninori Morimoto | 374e542 | 2014-03-02 23:43:03 -0800 | [diff] [blame] | 182 | struct rsnd_dai_stream *io, |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 183 | struct snd_pcm_runtime *runtime) |
| 184 | { |
Kuninori Morimoto | b1eac43 | 2014-03-23 21:23:42 -0700 | [diff] [blame^] | 185 | struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io); |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 186 | struct rsnd_src *src; |
Kuninori Morimoto | b1eac43 | 2014-03-23 21:23:42 -0700 | [diff] [blame^] | 187 | unsigned int rate = 0; |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 188 | |
Kuninori Morimoto | b1eac43 | 2014-03-23 21:23:42 -0700 | [diff] [blame^] | 189 | if (src_mod) { |
| 190 | src = rsnd_mod_to_src(src_mod); |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 191 | |
Kuninori Morimoto | b1eac43 | 2014-03-23 21:23:42 -0700 | [diff] [blame^] | 192 | /* |
| 193 | * return convert rate if SRC is used, |
| 194 | * otherwise, return runtime->rate as usual |
| 195 | */ |
| 196 | rate = rsnd_src_convert_rate(src); |
| 197 | } |
| 198 | |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 199 | if (!rate) |
| 200 | rate = runtime->rate; |
| 201 | |
| 202 | return rate; |
| 203 | } |
| 204 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 205 | static int rsnd_src_set_convert_rate(struct rsnd_mod *mod, |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 206 | struct rsnd_dai *rdai, |
| 207 | struct rsnd_dai_stream *io) |
| 208 | { |
| 209 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 210 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
| 211 | u32 convert_rate = rsnd_src_convert_rate(src); |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 212 | u32 adinr = runtime->channels; |
| 213 | u32 fsrate = 0; |
| 214 | |
| 215 | if (convert_rate) |
| 216 | fsrate = 0x0400000 / convert_rate * runtime->rate; |
| 217 | |
| 218 | /* set/clear soft reset */ |
| 219 | rsnd_mod_write(mod, SRC_SWRSR, 0); |
| 220 | rsnd_mod_write(mod, SRC_SWRSR, 1); |
| 221 | |
| 222 | /* |
| 223 | * Initialize the operation of the SRC internal circuits |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 224 | * see rsnd_src_start() |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 225 | */ |
| 226 | rsnd_mod_write(mod, SRC_SRCIR, 1); |
| 227 | |
| 228 | /* Set channel number and output bit length */ |
| 229 | switch (runtime->sample_bits) { |
| 230 | case 16: |
| 231 | adinr |= OTBL_16; |
| 232 | break; |
| 233 | case 32: |
| 234 | adinr |= OTBL_24; |
| 235 | break; |
| 236 | default: |
| 237 | return -EIO; |
| 238 | } |
| 239 | rsnd_mod_write(mod, SRC_ADINR, adinr); |
| 240 | |
| 241 | /* Enable the initial value of IFS */ |
| 242 | if (fsrate) { |
| 243 | rsnd_mod_write(mod, SRC_IFSCR, 1); |
| 244 | |
| 245 | /* Set initial value of IFS */ |
| 246 | rsnd_mod_write(mod, SRC_IFSVR, fsrate); |
| 247 | } |
| 248 | |
| 249 | /* use DMA transfer */ |
| 250 | rsnd_mod_write(mod, SRC_BUSIF_MODE, 1); |
| 251 | |
| 252 | return 0; |
| 253 | } |
| 254 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 255 | static int rsnd_src_init(struct rsnd_mod *mod, |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 256 | struct rsnd_dai *rdai, |
| 257 | struct rsnd_dai_stream *io) |
| 258 | { |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 259 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 260 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 261 | clk_enable(src->clk); |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 262 | |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 263 | return 0; |
| 264 | } |
| 265 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 266 | static int rsnd_src_quit(struct rsnd_mod *mod, |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 267 | struct rsnd_dai *rdai, |
| 268 | struct rsnd_dai_stream *io) |
| 269 | { |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 270 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 271 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 272 | clk_disable(src->clk); |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 273 | |
| 274 | return 0; |
| 275 | } |
| 276 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 277 | static int rsnd_src_start(struct rsnd_mod *mod, |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 278 | struct rsnd_dai *rdai, |
| 279 | struct rsnd_dai_stream *io) |
| 280 | { |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 281 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 282 | |
| 283 | /* |
| 284 | * Cancel the initialization and operate the SRC function |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 285 | * see rsnd_src_set_convert_rate() |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 286 | */ |
| 287 | rsnd_mod_write(mod, SRC_SRCIR, 0); |
| 288 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 289 | if (rsnd_src_convert_rate(src)) |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 290 | rsnd_mod_write(mod, SRC_ROUTE_MODE0, 1); |
| 291 | |
| 292 | return 0; |
| 293 | } |
| 294 | |
| 295 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 296 | static int rsnd_src_stop(struct rsnd_mod *mod, |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 297 | struct rsnd_dai *rdai, |
| 298 | struct rsnd_dai_stream *io) |
| 299 | { |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 300 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 301 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 302 | if (rsnd_src_convert_rate(src)) |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 303 | rsnd_mod_write(mod, SRC_ROUTE_MODE0, 0); |
| 304 | |
| 305 | return 0; |
| 306 | } |
| 307 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 308 | static struct rsnd_mod_ops rsnd_src_non_ops = { |
| 309 | .name = "src (non)", |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 310 | }; |
| 311 | |
| 312 | /* |
| 313 | * Gen1 functions |
| 314 | */ |
| 315 | static int rsnd_src_set_route_gen1(struct rsnd_mod *mod, |
| 316 | struct rsnd_dai *rdai, |
| 317 | struct rsnd_dai_stream *io) |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 318 | { |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 319 | struct src_route_config { |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 320 | u32 mask; |
| 321 | int shift; |
| 322 | } routes[] = { |
| 323 | { 0xF, 0, }, /* 0 */ |
| 324 | { 0xF, 4, }, /* 1 */ |
| 325 | { 0xF, 8, }, /* 2 */ |
| 326 | { 0x7, 12, }, /* 3 */ |
| 327 | { 0x7, 16, }, /* 4 */ |
| 328 | { 0x7, 20, }, /* 5 */ |
| 329 | { 0x7, 24, }, /* 6 */ |
| 330 | { 0x3, 28, }, /* 7 */ |
| 331 | { 0x3, 30, }, /* 8 */ |
| 332 | }; |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 333 | u32 mask; |
| 334 | u32 val; |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 335 | int id; |
| 336 | |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 337 | id = rsnd_mod_id(mod); |
Dan Carpenter | b5f3d7a | 2013-11-08 12:46:10 +0300 | [diff] [blame] | 338 | if (id < 0 || id >= ARRAY_SIZE(routes)) |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 339 | return -EIO; |
| 340 | |
| 341 | /* |
| 342 | * SRC_ROUTE_SELECT |
| 343 | */ |
| 344 | val = rsnd_dai_is_play(rdai, io) ? 0x1 : 0x2; |
| 345 | val = val << routes[id].shift; |
| 346 | mask = routes[id].mask << routes[id].shift; |
| 347 | |
| 348 | rsnd_mod_bset(mod, SRC_ROUTE_SEL, mask, val); |
| 349 | |
Kuninori Morimoto | 28dc4b6 | 2014-01-23 18:41:10 -0800 | [diff] [blame] | 350 | return 0; |
| 351 | } |
| 352 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 353 | static int rsnd_src_set_convert_timing_gen1(struct rsnd_mod *mod, |
Kuninori Morimoto | 28dc4b6 | 2014-01-23 18:41:10 -0800 | [diff] [blame] | 354 | struct rsnd_dai *rdai, |
| 355 | struct rsnd_dai_stream *io) |
| 356 | { |
| 357 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 358 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
Kuninori Morimoto | 28dc4b6 | 2014-01-23 18:41:10 -0800 | [diff] [blame] | 359 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 360 | u32 convert_rate = rsnd_src_convert_rate(src); |
Kuninori Morimoto | 28dc4b6 | 2014-01-23 18:41:10 -0800 | [diff] [blame] | 361 | u32 mask; |
| 362 | u32 val; |
| 363 | int shift; |
| 364 | int id = rsnd_mod_id(mod); |
| 365 | int ret; |
| 366 | |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 367 | /* |
| 368 | * SRC_TIMING_SELECT |
| 369 | */ |
| 370 | shift = (id % 4) * 8; |
| 371 | mask = 0x1F << shift; |
Kuninori Morimoto | ef74940 | 2013-12-19 19:28:51 -0800 | [diff] [blame] | 372 | |
| 373 | /* |
| 374 | * ADG is used as source clock if SRC was used, |
| 375 | * then, SSI WS is used as destination clock. |
| 376 | * SSI WS is used as source clock if SRC is not used |
| 377 | * (when playback, source/destination become reverse when capture) |
| 378 | */ |
Kuninori Morimoto | 28dc4b6 | 2014-01-23 18:41:10 -0800 | [diff] [blame] | 379 | ret = 0; |
| 380 | if (convert_rate) { |
| 381 | /* use ADG */ |
Kuninori Morimoto | ef74940 | 2013-12-19 19:28:51 -0800 | [diff] [blame] | 382 | val = 0; |
Kuninori Morimoto | 28dc4b6 | 2014-01-23 18:41:10 -0800 | [diff] [blame] | 383 | ret = rsnd_adg_set_convert_clk_gen1(priv, mod, |
| 384 | runtime->rate, |
| 385 | convert_rate); |
| 386 | } else if (8 == id) { |
| 387 | /* use SSI WS, but SRU8 is special */ |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 388 | val = id << shift; |
Kuninori Morimoto | 28dc4b6 | 2014-01-23 18:41:10 -0800 | [diff] [blame] | 389 | } else { |
| 390 | /* use SSI WS */ |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 391 | val = (id + 1) << shift; |
Kuninori Morimoto | 28dc4b6 | 2014-01-23 18:41:10 -0800 | [diff] [blame] | 392 | } |
| 393 | |
| 394 | if (ret < 0) |
| 395 | return ret; |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 396 | |
| 397 | switch (id / 4) { |
| 398 | case 0: |
| 399 | rsnd_mod_bset(mod, SRC_TMG_SEL0, mask, val); |
| 400 | break; |
| 401 | case 1: |
| 402 | rsnd_mod_bset(mod, SRC_TMG_SEL1, mask, val); |
| 403 | break; |
| 404 | case 2: |
| 405 | rsnd_mod_bset(mod, SRC_TMG_SEL2, mask, val); |
| 406 | break; |
| 407 | } |
| 408 | |
| 409 | return 0; |
| 410 | } |
| 411 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 412 | static int rsnd_src_set_convert_rate_gen1(struct rsnd_mod *mod, |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 413 | struct rsnd_dai *rdai, |
| 414 | struct rsnd_dai_stream *io) |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 415 | { |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 416 | int ret; |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 417 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 418 | ret = rsnd_src_set_convert_rate(mod, rdai, io); |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 419 | if (ret < 0) |
| 420 | return ret; |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 421 | |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 422 | /* Select SRC mode (fixed value) */ |
| 423 | rsnd_mod_write(mod, SRC_SRCCR, 0x00010110); |
Kuninori Morimoto | ef74940 | 2013-12-19 19:28:51 -0800 | [diff] [blame] | 424 | |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 425 | /* Set the restriction value of the FS ratio (98%) */ |
| 426 | rsnd_mod_write(mod, SRC_MNFSR, |
| 427 | rsnd_mod_read(mod, SRC_IFSVR) / 100 * 98); |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 428 | |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 429 | /* no SRC_BFSSR settings, since SRC_SRCCR::BUFMD is 0 */ |
Kuninori Morimoto | ef74940 | 2013-12-19 19:28:51 -0800 | [diff] [blame] | 430 | |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 431 | return 0; |
| 432 | } |
| 433 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 434 | static int rsnd_src_init_gen1(struct rsnd_mod *mod, |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 435 | struct rsnd_dai *rdai, |
| 436 | struct rsnd_dai_stream *io) |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 437 | { |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 438 | int ret; |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 439 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 440 | ret = rsnd_src_init(mod, rdai, io); |
Kuninori Morimoto | 7b5ce97 | 2014-01-23 18:39:32 -0800 | [diff] [blame] | 441 | if (ret < 0) |
| 442 | return ret; |
| 443 | |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 444 | ret = rsnd_src_set_route_gen1(mod, rdai, io); |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 445 | if (ret < 0) |
| 446 | return ret; |
| 447 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 448 | ret = rsnd_src_set_convert_rate_gen1(mod, rdai, io); |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 449 | if (ret < 0) |
| 450 | return ret; |
| 451 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 452 | ret = rsnd_src_set_convert_timing_gen1(mod, rdai, io); |
Kuninori Morimoto | 28dc4b6 | 2014-01-23 18:41:10 -0800 | [diff] [blame] | 453 | if (ret < 0) |
| 454 | return ret; |
| 455 | |
Kuninori Morimoto | a204d90 | 2014-01-23 18:38:33 -0800 | [diff] [blame] | 456 | return 0; |
| 457 | } |
| 458 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 459 | static int rsnd_src_start_gen1(struct rsnd_mod *mod, |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 460 | struct rsnd_dai *rdai, |
| 461 | struct rsnd_dai_stream *io) |
Kuninori Morimoto | a204d90 | 2014-01-23 18:38:33 -0800 | [diff] [blame] | 462 | { |
Kuninori Morimoto | e7ce74e | 2014-01-23 18:38:50 -0800 | [diff] [blame] | 463 | int id = rsnd_mod_id(mod); |
Kuninori Morimoto | a204d90 | 2014-01-23 18:38:33 -0800 | [diff] [blame] | 464 | |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 465 | rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), (1 << id)); |
Kuninori Morimoto | e7ce74e | 2014-01-23 18:38:50 -0800 | [diff] [blame] | 466 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 467 | return rsnd_src_start(mod, rdai, io); |
Kuninori Morimoto | a204d90 | 2014-01-23 18:38:33 -0800 | [diff] [blame] | 468 | } |
| 469 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 470 | static int rsnd_src_stop_gen1(struct rsnd_mod *mod, |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 471 | struct rsnd_dai *rdai, |
| 472 | struct rsnd_dai_stream *io) |
Kuninori Morimoto | ef74940 | 2013-12-19 19:28:51 -0800 | [diff] [blame] | 473 | { |
Kuninori Morimoto | e7ce74e | 2014-01-23 18:38:50 -0800 | [diff] [blame] | 474 | int id = rsnd_mod_id(mod); |
Kuninori Morimoto | ef74940 | 2013-12-19 19:28:51 -0800 | [diff] [blame] | 475 | |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 476 | rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), 0); |
Kuninori Morimoto | e7ce74e | 2014-01-23 18:38:50 -0800 | [diff] [blame] | 477 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 478 | return rsnd_src_stop(mod, rdai, io); |
Kuninori Morimoto | ef74940 | 2013-12-19 19:28:51 -0800 | [diff] [blame] | 479 | } |
| 480 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 481 | static struct rsnd_mod_ops rsnd_src_gen1_ops = { |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 482 | .name = "sru (gen1)", |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 483 | .init = rsnd_src_init_gen1, |
| 484 | .quit = rsnd_src_quit, |
| 485 | .start = rsnd_src_start_gen1, |
| 486 | .stop = rsnd_src_stop_gen1, |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 487 | }; |
| 488 | |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 489 | /* |
| 490 | * Gen2 functions |
| 491 | */ |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 492 | static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod, |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 493 | struct rsnd_dai *rdai, |
| 494 | struct rsnd_dai_stream *io) |
| 495 | { |
| 496 | int ret; |
| 497 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 498 | ret = rsnd_src_set_convert_rate(mod, rdai, io); |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 499 | if (ret < 0) |
| 500 | return ret; |
| 501 | |
| 502 | rsnd_mod_write(mod, SSI_BUSIF_ADINR, rsnd_mod_read(mod, SRC_ADINR)); |
| 503 | rsnd_mod_write(mod, SSI_BUSIF_MODE, rsnd_mod_read(mod, SRC_BUSIF_MODE)); |
| 504 | |
| 505 | rsnd_mod_write(mod, SRC_SRCCR, 0x00011110); |
| 506 | |
| 507 | rsnd_mod_write(mod, SRC_BSDSR, 0x01800000); |
| 508 | rsnd_mod_write(mod, SRC_BSISR, 0x00100060); |
| 509 | |
| 510 | return 0; |
| 511 | } |
| 512 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 513 | static int rsnd_src_set_convert_timing_gen2(struct rsnd_mod *mod, |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 514 | struct rsnd_dai *rdai, |
| 515 | struct rsnd_dai_stream *io) |
| 516 | { |
| 517 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 518 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
| 519 | u32 convert_rate = rsnd_src_convert_rate(src); |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 520 | int ret; |
| 521 | |
| 522 | if (convert_rate) |
| 523 | ret = rsnd_adg_set_convert_clk_gen2(mod, rdai, io, |
| 524 | runtime->rate, |
| 525 | convert_rate); |
| 526 | else |
| 527 | ret = rsnd_adg_set_convert_timing_gen2(mod, rdai, io); |
| 528 | |
| 529 | return ret; |
| 530 | } |
| 531 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 532 | static int rsnd_src_probe_gen2(struct rsnd_mod *mod, |
Kuninori Morimoto | 76c6fb5 | 2014-03-03 20:50:41 -0800 | [diff] [blame] | 533 | struct rsnd_dai *rdai, |
| 534 | struct rsnd_dai_stream *io) |
| 535 | { |
| 536 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); |
| 537 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 538 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
Kuninori Morimoto | 76c6fb5 | 2014-03-03 20:50:41 -0800 | [diff] [blame] | 539 | struct rsnd_mod *ssi = rsnd_ssi_mod_get(priv, rsnd_mod_id(mod)); |
| 540 | struct device *dev = rsnd_priv_to_dev(priv); |
| 541 | int ret; |
| 542 | int is_play; |
| 543 | |
| 544 | if (info->dai_info) |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 545 | is_play = rsnd_info_is_playback(priv, src); |
Kuninori Morimoto | 76c6fb5 | 2014-03-03 20:50:41 -0800 | [diff] [blame] | 546 | else |
| 547 | is_play = rsnd_ssi_is_play(ssi); |
| 548 | |
| 549 | ret = rsnd_dma_init(priv, |
| 550 | rsnd_mod_to_dma(mod), |
| 551 | is_play, |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 552 | src->info->dma_id); |
Kuninori Morimoto | 76c6fb5 | 2014-03-03 20:50:41 -0800 | [diff] [blame] | 553 | if (ret < 0) |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 554 | dev_err(dev, "SRC DMA failed\n"); |
Kuninori Morimoto | 76c6fb5 | 2014-03-03 20:50:41 -0800 | [diff] [blame] | 555 | |
| 556 | return ret; |
| 557 | } |
| 558 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 559 | static int rsnd_src_remove_gen2(struct rsnd_mod *mod, |
Kuninori Morimoto | 76c6fb5 | 2014-03-03 20:50:41 -0800 | [diff] [blame] | 560 | struct rsnd_dai *rdai, |
| 561 | struct rsnd_dai_stream *io) |
| 562 | { |
| 563 | rsnd_dma_quit(rsnd_mod_to_priv(mod), rsnd_mod_to_dma(mod)); |
| 564 | |
| 565 | return 0; |
| 566 | } |
| 567 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 568 | static int rsnd_src_init_gen2(struct rsnd_mod *mod, |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 569 | struct rsnd_dai *rdai, |
| 570 | struct rsnd_dai_stream *io) |
| 571 | { |
| 572 | int ret; |
| 573 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 574 | ret = rsnd_src_init(mod, rdai, io); |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 575 | if (ret < 0) |
| 576 | return ret; |
| 577 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 578 | ret = rsnd_src_set_convert_rate_gen2(mod, rdai, io); |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 579 | if (ret < 0) |
| 580 | return ret; |
| 581 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 582 | ret = rsnd_src_set_convert_timing_gen2(mod, rdai, io); |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 583 | if (ret < 0) |
| 584 | return ret; |
| 585 | |
| 586 | return 0; |
| 587 | } |
| 588 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 589 | static int rsnd_src_start_gen2(struct rsnd_mod *mod, |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 590 | struct rsnd_dai *rdai, |
| 591 | struct rsnd_dai_stream *io) |
| 592 | { |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 593 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 594 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 595 | rsnd_dma_start(rsnd_mod_to_dma(&src->mod)); |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 596 | |
| 597 | rsnd_mod_write(mod, SSI_CTRL, 0x1); |
| 598 | rsnd_mod_write(mod, SRC_CTRL, 0x11); |
| 599 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 600 | return rsnd_src_start(mod, rdai, io); |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 601 | } |
| 602 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 603 | static int rsnd_src_stop_gen2(struct rsnd_mod *mod, |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 604 | struct rsnd_dai *rdai, |
| 605 | struct rsnd_dai_stream *io) |
| 606 | { |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 607 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 608 | |
| 609 | rsnd_mod_write(mod, SSI_CTRL, 0); |
| 610 | rsnd_mod_write(mod, SRC_CTRL, 0); |
| 611 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 612 | rsnd_dma_stop(rsnd_mod_to_dma(&src->mod)); |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 613 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 614 | return rsnd_src_stop(mod, rdai, io); |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 615 | } |
| 616 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 617 | static struct rsnd_mod_ops rsnd_src_gen2_ops = { |
| 618 | .name = "src (gen2)", |
| 619 | .probe = rsnd_src_probe_gen2, |
| 620 | .remove = rsnd_src_remove_gen2, |
| 621 | .init = rsnd_src_init_gen2, |
| 622 | .quit = rsnd_src_quit, |
| 623 | .start = rsnd_src_start_gen2, |
| 624 | .stop = rsnd_src_stop_gen2, |
Kuninori Morimoto | 629509c | 2014-01-23 18:42:00 -0800 | [diff] [blame] | 625 | }; |
| 626 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 627 | struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id) |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 628 | { |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 629 | if (WARN_ON(id < 0 || id >= rsnd_src_nr(priv))) |
Takashi Iwai | 8b14719 | 2013-11-05 18:40:05 +0100 | [diff] [blame] | 630 | id = 0; |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 631 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 632 | return &((struct rsnd_src *)(priv->src) + id)->mod; |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 633 | } |
| 634 | |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 635 | static void rsnd_of_parse_src(struct platform_device *pdev, |
| 636 | const struct rsnd_of_data *of_data, |
| 637 | struct rsnd_priv *priv) |
| 638 | { |
| 639 | struct device_node *src_node; |
| 640 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
| 641 | struct rsnd_src_platform_info *src_info; |
| 642 | struct device *dev = &pdev->dev; |
| 643 | int nr; |
| 644 | |
| 645 | if (!of_data) |
| 646 | return; |
| 647 | |
| 648 | src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src"); |
| 649 | if (!src_node) |
| 650 | return; |
| 651 | |
| 652 | nr = of_get_child_count(src_node); |
| 653 | if (!nr) |
| 654 | return; |
| 655 | |
| 656 | src_info = devm_kzalloc(dev, |
| 657 | sizeof(struct rsnd_src_platform_info) * nr, |
| 658 | GFP_KERNEL); |
| 659 | if (!src_info) { |
| 660 | dev_err(dev, "src info allocation error\n"); |
| 661 | return; |
| 662 | } |
| 663 | |
| 664 | info->src_info = src_info; |
| 665 | info->src_info_nr = nr; |
| 666 | } |
| 667 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 668 | int rsnd_src_probe(struct platform_device *pdev, |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 669 | const struct rsnd_of_data *of_data, |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 670 | struct rsnd_priv *priv) |
| 671 | { |
Kuninori Morimoto | 5da39cf | 2014-02-24 22:15:00 -0800 | [diff] [blame] | 672 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 673 | struct device *dev = rsnd_priv_to_dev(priv); |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 674 | struct rsnd_src *src; |
Kuninori Morimoto | 013f38f | 2014-01-23 18:38:26 -0800 | [diff] [blame] | 675 | struct rsnd_mod_ops *ops; |
Kuninori Morimoto | ef74940 | 2013-12-19 19:28:51 -0800 | [diff] [blame] | 676 | struct clk *clk; |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 677 | char name[RSND_SRC_NAME_SIZE]; |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 678 | int i, nr; |
| 679 | |
Kuninori Morimoto | 90e8e50 | 2014-03-17 19:29:55 -0700 | [diff] [blame] | 680 | rsnd_of_parse_src(pdev, of_data, priv); |
| 681 | |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 682 | /* |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 683 | * init SRC |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 684 | */ |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 685 | nr = info->src_info_nr; |
Kuninori Morimoto | 389933d | 2014-03-03 20:50:00 -0800 | [diff] [blame] | 686 | if (!nr) |
| 687 | return 0; |
| 688 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 689 | src = devm_kzalloc(dev, sizeof(*src) * nr, GFP_KERNEL); |
| 690 | if (!src) { |
| 691 | dev_err(dev, "SRC allocate failed\n"); |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 692 | return -ENOMEM; |
| 693 | } |
| 694 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 695 | priv->src_nr = nr; |
| 696 | priv->src = src; |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 697 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 698 | for_each_rsnd_src(src, priv, i) { |
| 699 | snprintf(name, RSND_SRC_NAME_SIZE, "src.%d", i); |
Kuninori Morimoto | ef74940 | 2013-12-19 19:28:51 -0800 | [diff] [blame] | 700 | |
| 701 | clk = devm_clk_get(dev, name); |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 702 | if (IS_ERR(clk)) { |
| 703 | snprintf(name, RSND_SRC_NAME_SIZE, "scu.%d", i); |
| 704 | clk = devm_clk_get(dev, name); |
| 705 | } |
| 706 | |
Kuninori Morimoto | ef74940 | 2013-12-19 19:28:51 -0800 | [diff] [blame] | 707 | if (IS_ERR(clk)) |
| 708 | return PTR_ERR(clk); |
| 709 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 710 | src->info = &info->src_info[i]; |
| 711 | src->clk = clk; |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 712 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 713 | ops = &rsnd_src_non_ops; |
| 714 | if (rsnd_src_hpbif_is_enable(src)) { |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 715 | if (rsnd_is_gen1(priv)) |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 716 | ops = &rsnd_src_gen1_ops; |
Kuninori Morimoto | 76c6fb5 | 2014-03-03 20:50:41 -0800 | [diff] [blame] | 717 | if (rsnd_is_gen2(priv)) |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 718 | ops = &rsnd_src_gen2_ops; |
Kuninori Morimoto | 1b7b08ef | 2014-01-23 18:41:36 -0800 | [diff] [blame] | 719 | } |
Kuninori Morimoto | 013f38f | 2014-01-23 18:38:26 -0800 | [diff] [blame] | 720 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 721 | rsnd_mod_init(priv, &src->mod, ops, RSND_MOD_SRC, i); |
Kuninori Morimoto | 013f38f | 2014-01-23 18:38:26 -0800 | [diff] [blame] | 722 | |
Kuninori Morimoto | ba9c949 | 2014-03-03 20:51:21 -0800 | [diff] [blame] | 723 | dev_dbg(dev, "SRC%d probed\n", i); |
Kuninori Morimoto | 374a5281 | 2013-07-28 18:59:12 -0700 | [diff] [blame] | 724 | } |
Kuninori Morimoto | 07539c1 | 2013-07-21 21:36:35 -0700 | [diff] [blame] | 725 | |
| 726 | return 0; |
| 727 | } |