Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) ST-Ericsson SA 2012 |
| 3 | * |
| 4 | * Author: Ola Lilja <ola.o.lilja@stericsson.com>, |
| 5 | * Roger Nilsson <roger.xr.nilsson@stericsson.com> |
| 6 | * for ST-Ericsson. |
| 7 | * |
| 8 | * License terms: |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as published |
| 12 | * by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/slab.h> |
| 17 | #include <linux/bitops.h> |
| 18 | #include <linux/platform_device.h> |
| 19 | #include <linux/clk.h> |
Lee Jones | f382acbe | 2013-12-19 15:55:05 +0000 | [diff] [blame^] | 20 | #include <linux/of.h> |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 21 | #include <linux/regulator/consumer.h> |
| 22 | #include <linux/mfd/dbx500-prcmu.h> |
Arnd Bergmann | ab0fc6c | 2013-03-21 22:51:06 +0100 | [diff] [blame] | 23 | #include <linux/platform_data/asoc-ux500-msp.h> |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 24 | |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 25 | #include <sound/soc.h> |
| 26 | #include <sound/soc-dai.h> |
Lee Jones | f382acbe | 2013-12-19 15:55:05 +0000 | [diff] [blame^] | 27 | #include <sound/dmaengine_pcm.h> |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 28 | |
| 29 | #include "ux500_msp_i2s.h" |
| 30 | #include "ux500_msp_dai.h" |
Lee Jones | 1428c20 | 2012-11-23 13:05:41 +0000 | [diff] [blame] | 31 | #include "ux500_pcm.h" |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 32 | |
| 33 | static int setup_pcm_multichan(struct snd_soc_dai *dai, |
| 34 | struct ux500_msp_config *msp_config) |
| 35 | { |
| 36 | struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); |
| 37 | struct msp_multichannel_config *multi = |
| 38 | &msp_config->multichannel_config; |
| 39 | |
| 40 | if (drvdata->slots > 1) { |
| 41 | msp_config->multichannel_configured = 1; |
| 42 | |
| 43 | multi->tx_multichannel_enable = true; |
| 44 | multi->rx_multichannel_enable = true; |
| 45 | multi->rx_comparison_enable_mode = MSP_COMPARISON_DISABLED; |
| 46 | |
| 47 | multi->tx_channel_0_enable = drvdata->tx_mask; |
| 48 | multi->tx_channel_1_enable = 0; |
| 49 | multi->tx_channel_2_enable = 0; |
| 50 | multi->tx_channel_3_enable = 0; |
| 51 | |
| 52 | multi->rx_channel_0_enable = drvdata->rx_mask; |
| 53 | multi->rx_channel_1_enable = 0; |
| 54 | multi->rx_channel_2_enable = 0; |
| 55 | multi->rx_channel_3_enable = 0; |
| 56 | |
| 57 | dev_dbg(dai->dev, |
| 58 | "%s: Multichannel enabled. Slots: %d, TX: %u, RX: %u\n", |
| 59 | __func__, drvdata->slots, multi->tx_channel_0_enable, |
| 60 | multi->rx_channel_0_enable); |
| 61 | } |
| 62 | |
| 63 | return 0; |
| 64 | } |
| 65 | |
| 66 | static int setup_frameper(struct snd_soc_dai *dai, unsigned int rate, |
| 67 | struct msp_protdesc *prot_desc) |
| 68 | { |
| 69 | struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); |
| 70 | |
| 71 | switch (drvdata->slots) { |
| 72 | case 1: |
| 73 | switch (rate) { |
| 74 | case 8000: |
| 75 | prot_desc->frame_period = |
| 76 | FRAME_PER_SINGLE_SLOT_8_KHZ; |
| 77 | break; |
| 78 | |
| 79 | case 16000: |
| 80 | prot_desc->frame_period = |
| 81 | FRAME_PER_SINGLE_SLOT_16_KHZ; |
| 82 | break; |
| 83 | |
| 84 | case 44100: |
| 85 | prot_desc->frame_period = |
| 86 | FRAME_PER_SINGLE_SLOT_44_1_KHZ; |
| 87 | break; |
| 88 | |
| 89 | case 48000: |
| 90 | prot_desc->frame_period = |
| 91 | FRAME_PER_SINGLE_SLOT_48_KHZ; |
| 92 | break; |
| 93 | |
| 94 | default: |
| 95 | dev_err(dai->dev, |
| 96 | "%s: Error: Unsupported sample-rate (freq = %d)!\n", |
| 97 | __func__, rate); |
| 98 | return -EINVAL; |
| 99 | } |
| 100 | break; |
| 101 | |
| 102 | case 2: |
| 103 | prot_desc->frame_period = FRAME_PER_2_SLOTS; |
| 104 | break; |
| 105 | |
| 106 | case 8: |
| 107 | prot_desc->frame_period = FRAME_PER_8_SLOTS; |
| 108 | break; |
| 109 | |
| 110 | case 16: |
| 111 | prot_desc->frame_period = FRAME_PER_16_SLOTS; |
| 112 | break; |
| 113 | default: |
| 114 | dev_err(dai->dev, |
| 115 | "%s: Error: Unsupported slot-count (slots = %d)!\n", |
| 116 | __func__, drvdata->slots); |
| 117 | return -EINVAL; |
| 118 | } |
| 119 | |
| 120 | prot_desc->clocks_per_frame = |
| 121 | prot_desc->frame_period+1; |
| 122 | |
| 123 | dev_dbg(dai->dev, "%s: Clocks per frame: %u\n", |
| 124 | __func__, |
| 125 | prot_desc->clocks_per_frame); |
| 126 | |
| 127 | return 0; |
| 128 | } |
| 129 | |
| 130 | static int setup_pcm_framing(struct snd_soc_dai *dai, unsigned int rate, |
| 131 | struct msp_protdesc *prot_desc) |
| 132 | { |
| 133 | struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); |
| 134 | |
| 135 | u32 frame_length = MSP_FRAME_LEN_1; |
| 136 | prot_desc->frame_width = 0; |
| 137 | |
| 138 | switch (drvdata->slots) { |
| 139 | case 1: |
| 140 | frame_length = MSP_FRAME_LEN_1; |
| 141 | break; |
| 142 | |
| 143 | case 2: |
| 144 | frame_length = MSP_FRAME_LEN_2; |
| 145 | break; |
| 146 | |
| 147 | case 8: |
| 148 | frame_length = MSP_FRAME_LEN_8; |
| 149 | break; |
| 150 | |
| 151 | case 16: |
| 152 | frame_length = MSP_FRAME_LEN_16; |
| 153 | break; |
| 154 | default: |
| 155 | dev_err(dai->dev, |
| 156 | "%s: Error: Unsupported slot-count (slots = %d)!\n", |
| 157 | __func__, drvdata->slots); |
| 158 | return -EINVAL; |
| 159 | } |
| 160 | |
| 161 | prot_desc->tx_frame_len_1 = frame_length; |
| 162 | prot_desc->rx_frame_len_1 = frame_length; |
| 163 | prot_desc->tx_frame_len_2 = frame_length; |
| 164 | prot_desc->rx_frame_len_2 = frame_length; |
| 165 | |
| 166 | prot_desc->tx_elem_len_1 = MSP_ELEM_LEN_16; |
| 167 | prot_desc->rx_elem_len_1 = MSP_ELEM_LEN_16; |
| 168 | prot_desc->tx_elem_len_2 = MSP_ELEM_LEN_16; |
| 169 | prot_desc->rx_elem_len_2 = MSP_ELEM_LEN_16; |
| 170 | |
| 171 | return setup_frameper(dai, rate, prot_desc); |
| 172 | } |
| 173 | |
| 174 | static int setup_clocking(struct snd_soc_dai *dai, |
| 175 | unsigned int fmt, |
| 176 | struct ux500_msp_config *msp_config) |
| 177 | { |
| 178 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 179 | case SND_SOC_DAIFMT_NB_NF: |
| 180 | break; |
| 181 | |
| 182 | case SND_SOC_DAIFMT_NB_IF: |
| 183 | msp_config->tx_fsync_pol ^= 1 << TFSPOL_SHIFT; |
| 184 | msp_config->rx_fsync_pol ^= 1 << RFSPOL_SHIFT; |
| 185 | |
| 186 | break; |
| 187 | |
| 188 | default: |
| 189 | dev_err(dai->dev, |
| 190 | "%s: Error: Unsopported inversion (fmt = 0x%x)!\n", |
| 191 | __func__, fmt); |
| 192 | |
| 193 | return -EINVAL; |
| 194 | } |
| 195 | |
| 196 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
| 197 | case SND_SOC_DAIFMT_CBM_CFM: |
| 198 | dev_dbg(dai->dev, "%s: Codec is master.\n", __func__); |
| 199 | |
| 200 | msp_config->iodelay = 0x20; |
| 201 | msp_config->rx_fsync_sel = 0; |
| 202 | msp_config->tx_fsync_sel = 1 << TFSSEL_SHIFT; |
| 203 | msp_config->tx_clk_sel = 0; |
| 204 | msp_config->rx_clk_sel = 0; |
| 205 | msp_config->srg_clk_sel = 0x2 << SCKSEL_SHIFT; |
| 206 | |
| 207 | break; |
| 208 | |
| 209 | case SND_SOC_DAIFMT_CBS_CFS: |
| 210 | dev_dbg(dai->dev, "%s: Codec is slave.\n", __func__); |
| 211 | |
| 212 | msp_config->tx_clk_sel = TX_CLK_SEL_SRG; |
| 213 | msp_config->tx_fsync_sel = TX_SYNC_SRG_PROG; |
| 214 | msp_config->rx_clk_sel = RX_CLK_SEL_SRG; |
| 215 | msp_config->rx_fsync_sel = RX_SYNC_SRG; |
| 216 | msp_config->srg_clk_sel = 1 << SCKSEL_SHIFT; |
| 217 | |
| 218 | break; |
| 219 | |
| 220 | default: |
| 221 | dev_err(dai->dev, "%s: Error: Unsopported master (fmt = 0x%x)!\n", |
| 222 | __func__, fmt); |
| 223 | |
| 224 | return -EINVAL; |
| 225 | } |
| 226 | |
| 227 | return 0; |
| 228 | } |
| 229 | |
| 230 | static int setup_pcm_protdesc(struct snd_soc_dai *dai, |
| 231 | unsigned int fmt, |
| 232 | struct msp_protdesc *prot_desc) |
| 233 | { |
| 234 | prot_desc->rx_phase_mode = MSP_SINGLE_PHASE; |
| 235 | prot_desc->tx_phase_mode = MSP_SINGLE_PHASE; |
| 236 | prot_desc->rx_phase2_start_mode = MSP_PHASE2_START_MODE_IMEDIATE; |
| 237 | prot_desc->tx_phase2_start_mode = MSP_PHASE2_START_MODE_IMEDIATE; |
| 238 | prot_desc->rx_byte_order = MSP_BTF_MS_BIT_FIRST; |
| 239 | prot_desc->tx_byte_order = MSP_BTF_MS_BIT_FIRST; |
| 240 | prot_desc->tx_fsync_pol = MSP_FSYNC_POL(MSP_FSYNC_POL_ACT_HI); |
| 241 | prot_desc->rx_fsync_pol = MSP_FSYNC_POL_ACT_HI << RFSPOL_SHIFT; |
| 242 | |
| 243 | if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_DSP_A) { |
| 244 | dev_dbg(dai->dev, "%s: DSP_A.\n", __func__); |
| 245 | prot_desc->rx_clk_pol = MSP_RISING_EDGE; |
| 246 | prot_desc->tx_clk_pol = MSP_FALLING_EDGE; |
| 247 | |
| 248 | prot_desc->rx_data_delay = MSP_DELAY_1; |
| 249 | prot_desc->tx_data_delay = MSP_DELAY_1; |
| 250 | } else { |
| 251 | dev_dbg(dai->dev, "%s: DSP_B.\n", __func__); |
| 252 | prot_desc->rx_clk_pol = MSP_FALLING_EDGE; |
| 253 | prot_desc->tx_clk_pol = MSP_RISING_EDGE; |
| 254 | |
| 255 | prot_desc->rx_data_delay = MSP_DELAY_0; |
| 256 | prot_desc->tx_data_delay = MSP_DELAY_0; |
| 257 | } |
| 258 | |
| 259 | prot_desc->rx_half_word_swap = MSP_SWAP_NONE; |
| 260 | prot_desc->tx_half_word_swap = MSP_SWAP_NONE; |
| 261 | prot_desc->compression_mode = MSP_COMPRESS_MODE_LINEAR; |
| 262 | prot_desc->expansion_mode = MSP_EXPAND_MODE_LINEAR; |
| 263 | prot_desc->frame_sync_ignore = MSP_FSYNC_IGNORE; |
| 264 | |
| 265 | return 0; |
| 266 | } |
| 267 | |
| 268 | static int setup_i2s_protdesc(struct msp_protdesc *prot_desc) |
| 269 | { |
| 270 | prot_desc->rx_phase_mode = MSP_DUAL_PHASE; |
| 271 | prot_desc->tx_phase_mode = MSP_DUAL_PHASE; |
| 272 | prot_desc->rx_phase2_start_mode = MSP_PHASE2_START_MODE_FSYNC; |
| 273 | prot_desc->tx_phase2_start_mode = MSP_PHASE2_START_MODE_FSYNC; |
| 274 | prot_desc->rx_byte_order = MSP_BTF_MS_BIT_FIRST; |
| 275 | prot_desc->tx_byte_order = MSP_BTF_MS_BIT_FIRST; |
| 276 | prot_desc->tx_fsync_pol = MSP_FSYNC_POL(MSP_FSYNC_POL_ACT_LO); |
| 277 | prot_desc->rx_fsync_pol = MSP_FSYNC_POL_ACT_LO << RFSPOL_SHIFT; |
| 278 | |
| 279 | prot_desc->rx_frame_len_1 = MSP_FRAME_LEN_1; |
| 280 | prot_desc->rx_frame_len_2 = MSP_FRAME_LEN_1; |
| 281 | prot_desc->tx_frame_len_1 = MSP_FRAME_LEN_1; |
| 282 | prot_desc->tx_frame_len_2 = MSP_FRAME_LEN_1; |
| 283 | prot_desc->rx_elem_len_1 = MSP_ELEM_LEN_16; |
| 284 | prot_desc->rx_elem_len_2 = MSP_ELEM_LEN_16; |
| 285 | prot_desc->tx_elem_len_1 = MSP_ELEM_LEN_16; |
| 286 | prot_desc->tx_elem_len_2 = MSP_ELEM_LEN_16; |
| 287 | |
| 288 | prot_desc->rx_clk_pol = MSP_RISING_EDGE; |
| 289 | prot_desc->tx_clk_pol = MSP_FALLING_EDGE; |
| 290 | |
| 291 | prot_desc->rx_data_delay = MSP_DELAY_0; |
| 292 | prot_desc->tx_data_delay = MSP_DELAY_0; |
| 293 | |
| 294 | prot_desc->tx_half_word_swap = MSP_SWAP_NONE; |
| 295 | prot_desc->rx_half_word_swap = MSP_SWAP_NONE; |
| 296 | prot_desc->compression_mode = MSP_COMPRESS_MODE_LINEAR; |
| 297 | prot_desc->expansion_mode = MSP_EXPAND_MODE_LINEAR; |
| 298 | prot_desc->frame_sync_ignore = MSP_FSYNC_IGNORE; |
| 299 | |
| 300 | return 0; |
| 301 | } |
| 302 | |
| 303 | static int setup_msp_config(struct snd_pcm_substream *substream, |
| 304 | struct snd_soc_dai *dai, |
| 305 | struct ux500_msp_config *msp_config) |
| 306 | { |
| 307 | struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); |
| 308 | struct msp_protdesc *prot_desc = &msp_config->protdesc; |
| 309 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 310 | unsigned int fmt = drvdata->fmt; |
| 311 | int ret; |
| 312 | |
| 313 | memset(msp_config, 0, sizeof(*msp_config)); |
| 314 | |
| 315 | msp_config->f_inputclk = drvdata->master_clk; |
| 316 | |
| 317 | msp_config->tx_fifo_config = TX_FIFO_ENABLE; |
| 318 | msp_config->rx_fifo_config = RX_FIFO_ENABLE; |
| 319 | msp_config->def_elem_len = 1; |
| 320 | msp_config->direction = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? |
| 321 | MSP_DIR_TX : MSP_DIR_RX; |
| 322 | msp_config->data_size = MSP_DATA_BITS_32; |
| 323 | msp_config->frame_freq = runtime->rate; |
| 324 | |
| 325 | dev_dbg(dai->dev, "%s: f_inputclk = %u, frame_freq = %u.\n", |
| 326 | __func__, msp_config->f_inputclk, msp_config->frame_freq); |
| 327 | /* To avoid division by zero */ |
| 328 | prot_desc->clocks_per_frame = 1; |
| 329 | |
| 330 | dev_dbg(dai->dev, "%s: rate: %u, channels: %d.\n", __func__, |
| 331 | runtime->rate, runtime->channels); |
| 332 | switch (fmt & |
| 333 | (SND_SOC_DAIFMT_FORMAT_MASK | SND_SOC_DAIFMT_MASTER_MASK)) { |
| 334 | case SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS: |
| 335 | dev_dbg(dai->dev, "%s: SND_SOC_DAIFMT_I2S.\n", __func__); |
| 336 | |
| 337 | msp_config->default_protdesc = 1; |
| 338 | msp_config->protocol = MSP_I2S_PROTOCOL; |
| 339 | break; |
| 340 | |
| 341 | case SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM: |
| 342 | dev_dbg(dai->dev, "%s: SND_SOC_DAIFMT_I2S.\n", __func__); |
| 343 | |
| 344 | msp_config->data_size = MSP_DATA_BITS_16; |
| 345 | msp_config->protocol = MSP_I2S_PROTOCOL; |
| 346 | |
| 347 | ret = setup_i2s_protdesc(prot_desc); |
| 348 | if (ret < 0) |
| 349 | return ret; |
| 350 | |
| 351 | break; |
| 352 | |
| 353 | case SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_CBS_CFS: |
| 354 | case SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_CBM_CFM: |
| 355 | case SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBS_CFS: |
| 356 | case SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM: |
| 357 | dev_dbg(dai->dev, "%s: PCM format.\n", __func__); |
| 358 | |
| 359 | msp_config->data_size = MSP_DATA_BITS_16; |
| 360 | msp_config->protocol = MSP_PCM_PROTOCOL; |
| 361 | |
| 362 | ret = setup_pcm_protdesc(dai, fmt, prot_desc); |
| 363 | if (ret < 0) |
| 364 | return ret; |
| 365 | |
| 366 | ret = setup_pcm_multichan(dai, msp_config); |
| 367 | if (ret < 0) |
| 368 | return ret; |
| 369 | |
| 370 | ret = setup_pcm_framing(dai, runtime->rate, prot_desc); |
| 371 | if (ret < 0) |
| 372 | return ret; |
| 373 | |
| 374 | break; |
| 375 | |
| 376 | default: |
| 377 | dev_err(dai->dev, "%s: Error: Unsopported format (%d)!\n", |
| 378 | __func__, fmt); |
| 379 | return -EINVAL; |
| 380 | } |
| 381 | |
| 382 | return setup_clocking(dai, fmt, msp_config); |
| 383 | } |
| 384 | |
| 385 | static int ux500_msp_dai_startup(struct snd_pcm_substream *substream, |
| 386 | struct snd_soc_dai *dai) |
| 387 | { |
| 388 | int ret = 0; |
| 389 | struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); |
| 390 | |
| 391 | dev_dbg(dai->dev, "%s: MSP %d (%s): Enter.\n", __func__, dai->id, |
| 392 | snd_pcm_stream_str(substream)); |
| 393 | |
| 394 | /* Enable regulator */ |
| 395 | ret = regulator_enable(drvdata->reg_vape); |
| 396 | if (ret != 0) { |
| 397 | dev_err(drvdata->msp->dev, |
| 398 | "%s: Failed to enable regulator!\n", __func__); |
| 399 | return ret; |
| 400 | } |
| 401 | |
Ulf Hansson | f61ab09 | 2012-10-22 14:32:05 +0200 | [diff] [blame] | 402 | /* Prepare and enable clocks */ |
| 403 | dev_dbg(dai->dev, "%s: Enabling MSP-clocks.\n", __func__); |
| 404 | ret = clk_prepare_enable(drvdata->pclk); |
| 405 | if (ret) { |
| 406 | dev_err(drvdata->msp->dev, |
| 407 | "%s: Failed to prepare/enable pclk!\n", __func__); |
| 408 | goto err_pclk; |
| 409 | } |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 410 | |
Ulf Hansson | f61ab09 | 2012-10-22 14:32:05 +0200 | [diff] [blame] | 411 | ret = clk_prepare_enable(drvdata->clk); |
| 412 | if (ret) { |
| 413 | dev_err(drvdata->msp->dev, |
| 414 | "%s: Failed to prepare/enable clk!\n", __func__); |
| 415 | goto err_clk; |
| 416 | } |
| 417 | |
| 418 | return ret; |
| 419 | err_clk: |
| 420 | clk_disable_unprepare(drvdata->pclk); |
| 421 | err_pclk: |
| 422 | regulator_disable(drvdata->reg_vape); |
Ulf Hansson | fe36a0b | 2012-10-22 14:32:04 +0200 | [diff] [blame] | 423 | return ret; |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 424 | } |
| 425 | |
| 426 | static void ux500_msp_dai_shutdown(struct snd_pcm_substream *substream, |
| 427 | struct snd_soc_dai *dai) |
| 428 | { |
| 429 | int ret; |
| 430 | struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); |
| 431 | bool is_playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK); |
| 432 | |
| 433 | dev_dbg(dai->dev, "%s: MSP %d (%s): Enter.\n", __func__, dai->id, |
| 434 | snd_pcm_stream_str(substream)); |
| 435 | |
| 436 | if (drvdata->vape_opp_constraint == 1) { |
| 437 | prcmu_qos_update_requirement(PRCMU_QOS_APE_OPP, |
| 438 | "ux500_msp_i2s", 50); |
| 439 | drvdata->vape_opp_constraint = 0; |
| 440 | } |
| 441 | |
| 442 | if (ux500_msp_i2s_close(drvdata->msp, |
| 443 | is_playback ? MSP_DIR_TX : MSP_DIR_RX)) { |
| 444 | dev_err(dai->dev, |
| 445 | "%s: Error: MSP %d (%s): Unable to close i2s.\n", |
| 446 | __func__, dai->id, snd_pcm_stream_str(substream)); |
| 447 | } |
| 448 | |
Ulf Hansson | f61ab09 | 2012-10-22 14:32:05 +0200 | [diff] [blame] | 449 | /* Disable and unprepare clocks */ |
Ulf Hansson | fe36a0b | 2012-10-22 14:32:04 +0200 | [diff] [blame] | 450 | clk_disable_unprepare(drvdata->clk); |
Ulf Hansson | f61ab09 | 2012-10-22 14:32:05 +0200 | [diff] [blame] | 451 | clk_disable_unprepare(drvdata->pclk); |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 452 | |
| 453 | /* Disable regulator */ |
| 454 | ret = regulator_disable(drvdata->reg_vape); |
| 455 | if (ret < 0) |
| 456 | dev_err(dai->dev, |
| 457 | "%s: ERROR: Failed to disable regulator (%d)!\n", |
| 458 | __func__, ret); |
| 459 | } |
| 460 | |
| 461 | static int ux500_msp_dai_prepare(struct snd_pcm_substream *substream, |
| 462 | struct snd_soc_dai *dai) |
| 463 | { |
| 464 | int ret = 0; |
| 465 | struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); |
| 466 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 467 | struct ux500_msp_config msp_config; |
| 468 | |
| 469 | dev_dbg(dai->dev, "%s: MSP %d (%s): Enter (rate = %d).\n", __func__, |
| 470 | dai->id, snd_pcm_stream_str(substream), runtime->rate); |
| 471 | |
| 472 | setup_msp_config(substream, dai, &msp_config); |
| 473 | |
| 474 | ret = ux500_msp_i2s_open(drvdata->msp, &msp_config); |
| 475 | if (ret < 0) { |
| 476 | dev_err(dai->dev, "%s: Error: msp_setup failed (ret = %d)!\n", |
| 477 | __func__, ret); |
| 478 | return ret; |
| 479 | } |
| 480 | |
| 481 | /* Set OPP-level */ |
| 482 | if ((drvdata->fmt & SND_SOC_DAIFMT_MASTER_MASK) && |
| 483 | (drvdata->msp->f_bitclk > 19200000)) { |
| 484 | /* If the bit-clock is higher than 19.2MHz, Vape should be |
| 485 | * run in 100% OPP. Only when bit-clock is used (MSP master) */ |
| 486 | prcmu_qos_update_requirement(PRCMU_QOS_APE_OPP, |
| 487 | "ux500-msp-i2s", 100); |
| 488 | drvdata->vape_opp_constraint = 1; |
| 489 | } else { |
| 490 | prcmu_qos_update_requirement(PRCMU_QOS_APE_OPP, |
| 491 | "ux500-msp-i2s", 50); |
| 492 | drvdata->vape_opp_constraint = 0; |
| 493 | } |
| 494 | |
| 495 | return ret; |
| 496 | } |
| 497 | |
| 498 | static int ux500_msp_dai_hw_params(struct snd_pcm_substream *substream, |
| 499 | struct snd_pcm_hw_params *params, |
| 500 | struct snd_soc_dai *dai) |
| 501 | { |
| 502 | unsigned int mask, slots_active; |
| 503 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 504 | struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); |
| 505 | |
| 506 | dev_dbg(dai->dev, "%s: MSP %d (%s): Enter.\n", |
| 507 | __func__, dai->id, snd_pcm_stream_str(substream)); |
| 508 | |
| 509 | switch (drvdata->fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 510 | case SND_SOC_DAIFMT_I2S: |
| 511 | snd_pcm_hw_constraint_minmax(runtime, |
| 512 | SNDRV_PCM_HW_PARAM_CHANNELS, |
| 513 | 1, 2); |
| 514 | break; |
| 515 | |
| 516 | case SND_SOC_DAIFMT_DSP_B: |
| 517 | case SND_SOC_DAIFMT_DSP_A: |
| 518 | mask = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? |
| 519 | drvdata->tx_mask : |
| 520 | drvdata->rx_mask; |
| 521 | |
| 522 | slots_active = hweight32(mask); |
| 523 | dev_dbg(dai->dev, "TDM-slots active: %d", slots_active); |
| 524 | |
| 525 | snd_pcm_hw_constraint_minmax(runtime, |
| 526 | SNDRV_PCM_HW_PARAM_CHANNELS, |
| 527 | slots_active, slots_active); |
| 528 | break; |
| 529 | |
| 530 | default: |
| 531 | dev_err(dai->dev, |
| 532 | "%s: Error: Unsupported protocol (fmt = 0x%x)!\n", |
| 533 | __func__, drvdata->fmt); |
| 534 | return -EINVAL; |
| 535 | } |
| 536 | |
| 537 | return 0; |
| 538 | } |
| 539 | |
| 540 | static int ux500_msp_dai_set_dai_fmt(struct snd_soc_dai *dai, |
| 541 | unsigned int fmt) |
| 542 | { |
| 543 | struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); |
| 544 | |
| 545 | dev_dbg(dai->dev, "%s: MSP %d: Enter.\n", __func__, dai->id); |
| 546 | |
| 547 | switch (fmt & (SND_SOC_DAIFMT_FORMAT_MASK | |
| 548 | SND_SOC_DAIFMT_MASTER_MASK)) { |
| 549 | case SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS: |
| 550 | case SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM: |
| 551 | case SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBS_CFS: |
| 552 | case SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM: |
| 553 | case SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_CBS_CFS: |
| 554 | case SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_CBM_CFM: |
| 555 | break; |
| 556 | |
| 557 | default: |
| 558 | dev_err(dai->dev, |
| 559 | "%s: Error: Unsupported protocol/master (fmt = 0x%x)!\n", |
| 560 | __func__, drvdata->fmt); |
| 561 | return -EINVAL; |
| 562 | } |
| 563 | |
| 564 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 565 | case SND_SOC_DAIFMT_NB_NF: |
| 566 | case SND_SOC_DAIFMT_NB_IF: |
| 567 | case SND_SOC_DAIFMT_IB_IF: |
| 568 | break; |
| 569 | |
| 570 | default: |
| 571 | dev_err(dai->dev, |
| 572 | "%s: Error: Unsupported inversion (fmt = 0x%x)!\n", |
| 573 | __func__, drvdata->fmt); |
| 574 | return -EINVAL; |
| 575 | } |
| 576 | |
| 577 | drvdata->fmt = fmt; |
| 578 | return 0; |
| 579 | } |
| 580 | |
| 581 | static int ux500_msp_dai_set_tdm_slot(struct snd_soc_dai *dai, |
| 582 | unsigned int tx_mask, |
| 583 | unsigned int rx_mask, |
| 584 | int slots, int slot_width) |
| 585 | { |
| 586 | struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); |
| 587 | unsigned int cap; |
| 588 | |
| 589 | switch (slots) { |
| 590 | case 1: |
| 591 | cap = 0x01; |
| 592 | break; |
| 593 | case 2: |
| 594 | cap = 0x03; |
| 595 | break; |
| 596 | case 8: |
| 597 | cap = 0xFF; |
| 598 | break; |
| 599 | case 16: |
| 600 | cap = 0xFFFF; |
| 601 | break; |
| 602 | default: |
| 603 | dev_err(dai->dev, "%s: Error: Unsupported slot-count (%d)!\n", |
| 604 | __func__, slots); |
| 605 | return -EINVAL; |
| 606 | } |
| 607 | drvdata->slots = slots; |
| 608 | |
| 609 | if (!(slot_width == 16)) { |
| 610 | dev_err(dai->dev, "%s: Error: Unsupported slot-width (%d)!\n", |
| 611 | __func__, slot_width); |
| 612 | return -EINVAL; |
| 613 | } |
| 614 | drvdata->slot_width = slot_width; |
| 615 | |
| 616 | drvdata->tx_mask = tx_mask & cap; |
| 617 | drvdata->rx_mask = rx_mask & cap; |
| 618 | |
| 619 | return 0; |
| 620 | } |
| 621 | |
| 622 | static int ux500_msp_dai_set_dai_sysclk(struct snd_soc_dai *dai, |
| 623 | int clk_id, unsigned int freq, int dir) |
| 624 | { |
| 625 | struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); |
| 626 | |
| 627 | dev_dbg(dai->dev, "%s: MSP %d: Enter. clk-id: %d, freq: %u.\n", |
| 628 | __func__, dai->id, clk_id, freq); |
| 629 | |
| 630 | switch (clk_id) { |
| 631 | case UX500_MSP_MASTER_CLOCK: |
| 632 | drvdata->master_clk = freq; |
| 633 | break; |
| 634 | |
| 635 | default: |
| 636 | dev_err(dai->dev, "%s: MSP %d: Invalid clk-id (%d)!\n", |
| 637 | __func__, dai->id, clk_id); |
| 638 | return -EINVAL; |
| 639 | } |
| 640 | |
| 641 | return 0; |
| 642 | } |
| 643 | |
| 644 | static int ux500_msp_dai_trigger(struct snd_pcm_substream *substream, |
| 645 | int cmd, struct snd_soc_dai *dai) |
| 646 | { |
| 647 | int ret = 0; |
| 648 | struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); |
| 649 | |
| 650 | dev_dbg(dai->dev, "%s: MSP %d (%s): Enter (msp->id = %d, cmd = %d).\n", |
| 651 | __func__, dai->id, snd_pcm_stream_str(substream), |
| 652 | (int)drvdata->msp->id, cmd); |
| 653 | |
| 654 | ret = ux500_msp_i2s_trigger(drvdata->msp, cmd, substream->stream); |
| 655 | |
| 656 | return ret; |
| 657 | } |
| 658 | |
Lee Jones | f382acbe | 2013-12-19 15:55:05 +0000 | [diff] [blame^] | 659 | static int ux500_msp_dai_of_probe(struct snd_soc_dai *dai) |
| 660 | { |
| 661 | struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); |
| 662 | struct snd_dmaengine_dai_dma_data *playback_dma_data; |
| 663 | struct snd_dmaengine_dai_dma_data *capture_dma_data; |
| 664 | |
| 665 | playback_dma_data = devm_kzalloc(dai->dev, |
| 666 | sizeof(*playback_dma_data), |
| 667 | GFP_KERNEL); |
| 668 | if (!playback_dma_data) |
| 669 | return -ENOMEM; |
| 670 | |
| 671 | capture_dma_data = devm_kzalloc(dai->dev, |
| 672 | sizeof(*capture_dma_data), |
| 673 | GFP_KERNEL); |
| 674 | if (!capture_dma_data) |
| 675 | return -ENOMEM; |
| 676 | |
| 677 | playback_dma_data->addr = drvdata->msp->playback_dma_data.tx_rx_addr; |
| 678 | capture_dma_data->addr = drvdata->msp->capture_dma_data.tx_rx_addr; |
| 679 | |
| 680 | playback_dma_data->maxburst = 4; |
| 681 | capture_dma_data->maxburst = 4; |
| 682 | |
| 683 | snd_soc_dai_init_dma_data(dai, playback_dma_data, capture_dma_data); |
| 684 | |
| 685 | return 0; |
| 686 | } |
| 687 | |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 688 | static int ux500_msp_dai_probe(struct snd_soc_dai *dai) |
| 689 | { |
| 690 | struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); |
Lee Jones | f382acbe | 2013-12-19 15:55:05 +0000 | [diff] [blame^] | 691 | struct msp_i2s_platform_data *pdata = dai->dev->platform_data; |
| 692 | int ret; |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 693 | |
Lee Jones | f382acbe | 2013-12-19 15:55:05 +0000 | [diff] [blame^] | 694 | if (!pdata) { |
| 695 | ret = ux500_msp_dai_of_probe(dai); |
| 696 | return ret; |
| 697 | } |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 698 | |
Fabio Baltieri | f3fe53d | 2013-06-12 09:57:57 +0200 | [diff] [blame] | 699 | drvdata->msp->playback_dma_data.data_size = drvdata->slot_width; |
| 700 | drvdata->msp->capture_dma_data.data_size = drvdata->slot_width; |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 701 | |
Lee Jones | f382acbe | 2013-12-19 15:55:05 +0000 | [diff] [blame^] | 702 | snd_soc_dai_init_dma_data(dai, |
| 703 | &drvdata->msp->playback_dma_data, |
| 704 | &drvdata->msp->capture_dma_data); |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 705 | return 0; |
| 706 | } |
| 707 | |
| 708 | static struct snd_soc_dai_ops ux500_msp_dai_ops[] = { |
| 709 | { |
| 710 | .set_sysclk = ux500_msp_dai_set_dai_sysclk, |
| 711 | .set_fmt = ux500_msp_dai_set_dai_fmt, |
| 712 | .set_tdm_slot = ux500_msp_dai_set_tdm_slot, |
| 713 | .startup = ux500_msp_dai_startup, |
| 714 | .shutdown = ux500_msp_dai_shutdown, |
| 715 | .prepare = ux500_msp_dai_prepare, |
| 716 | .trigger = ux500_msp_dai_trigger, |
| 717 | .hw_params = ux500_msp_dai_hw_params, |
| 718 | } |
| 719 | }; |
| 720 | |
| 721 | static struct snd_soc_dai_driver ux500_msp_dai_drv[UX500_NBR_OF_DAI] = { |
| 722 | { |
| 723 | .name = "ux500-msp-i2s.0", |
| 724 | .probe = ux500_msp_dai_probe, |
| 725 | .id = 0, |
| 726 | .suspend = NULL, |
| 727 | .resume = NULL, |
| 728 | .playback = { |
| 729 | .channels_min = UX500_MSP_MIN_CHANNELS, |
| 730 | .channels_max = UX500_MSP_MAX_CHANNELS, |
| 731 | .rates = UX500_I2S_RATES, |
| 732 | .formats = UX500_I2S_FORMATS, |
| 733 | }, |
| 734 | .capture = { |
| 735 | .channels_min = UX500_MSP_MIN_CHANNELS, |
| 736 | .channels_max = UX500_MSP_MAX_CHANNELS, |
| 737 | .rates = UX500_I2S_RATES, |
| 738 | .formats = UX500_I2S_FORMATS, |
| 739 | }, |
| 740 | .ops = ux500_msp_dai_ops, |
| 741 | }, |
| 742 | { |
| 743 | .name = "ux500-msp-i2s.1", |
| 744 | .probe = ux500_msp_dai_probe, |
| 745 | .id = 1, |
| 746 | .suspend = NULL, |
| 747 | .resume = NULL, |
| 748 | .playback = { |
| 749 | .channels_min = UX500_MSP_MIN_CHANNELS, |
| 750 | .channels_max = UX500_MSP_MAX_CHANNELS, |
| 751 | .rates = UX500_I2S_RATES, |
| 752 | .formats = UX500_I2S_FORMATS, |
| 753 | }, |
| 754 | .capture = { |
| 755 | .channels_min = UX500_MSP_MIN_CHANNELS, |
| 756 | .channels_max = UX500_MSP_MAX_CHANNELS, |
| 757 | .rates = UX500_I2S_RATES, |
| 758 | .formats = UX500_I2S_FORMATS, |
| 759 | }, |
| 760 | .ops = ux500_msp_dai_ops, |
| 761 | }, |
| 762 | { |
| 763 | .name = "ux500-msp-i2s.2", |
| 764 | .id = 2, |
| 765 | .probe = ux500_msp_dai_probe, |
| 766 | .suspend = NULL, |
| 767 | .resume = NULL, |
| 768 | .playback = { |
| 769 | .channels_min = UX500_MSP_MIN_CHANNELS, |
| 770 | .channels_max = UX500_MSP_MAX_CHANNELS, |
| 771 | .rates = UX500_I2S_RATES, |
| 772 | .formats = UX500_I2S_FORMATS, |
| 773 | }, |
| 774 | .capture = { |
| 775 | .channels_min = UX500_MSP_MIN_CHANNELS, |
| 776 | .channels_max = UX500_MSP_MAX_CHANNELS, |
| 777 | .rates = UX500_I2S_RATES, |
| 778 | .formats = UX500_I2S_FORMATS, |
| 779 | }, |
| 780 | .ops = ux500_msp_dai_ops, |
| 781 | }, |
| 782 | { |
| 783 | .name = "ux500-msp-i2s.3", |
| 784 | .probe = ux500_msp_dai_probe, |
| 785 | .id = 3, |
| 786 | .suspend = NULL, |
| 787 | .resume = NULL, |
| 788 | .playback = { |
| 789 | .channels_min = UX500_MSP_MIN_CHANNELS, |
| 790 | .channels_max = UX500_MSP_MAX_CHANNELS, |
| 791 | .rates = UX500_I2S_RATES, |
| 792 | .formats = UX500_I2S_FORMATS, |
| 793 | }, |
| 794 | .capture = { |
| 795 | .channels_min = UX500_MSP_MIN_CHANNELS, |
| 796 | .channels_max = UX500_MSP_MAX_CHANNELS, |
| 797 | .rates = UX500_I2S_RATES, |
| 798 | .formats = UX500_I2S_FORMATS, |
| 799 | }, |
| 800 | .ops = ux500_msp_dai_ops, |
| 801 | }, |
| 802 | }; |
| 803 | |
Kuninori Morimoto | 42277bd | 2013-03-21 03:38:19 -0700 | [diff] [blame] | 804 | static const struct snd_soc_component_driver ux500_msp_component = { |
| 805 | .name = "ux500-msp", |
| 806 | }; |
| 807 | |
| 808 | |
Bill Pemberton | da79487 | 2012-12-07 09:26:35 -0500 | [diff] [blame] | 809 | static int ux500_msp_drv_probe(struct platform_device *pdev) |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 810 | { |
| 811 | struct ux500_msp_i2s_drvdata *drvdata; |
Lee Jones | a61f9e3 | 2013-12-19 15:55:00 +0000 | [diff] [blame] | 812 | struct msp_i2s_platform_data *pdata = pdev->dev.platform_data; |
| 813 | struct device_node *np = pdev->dev.of_node; |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 814 | int ret = 0; |
| 815 | |
Lee Jones | a61f9e3 | 2013-12-19 15:55:00 +0000 | [diff] [blame] | 816 | if (!pdata && !np) { |
| 817 | dev_err(&pdev->dev, "No platform data or Device Tree found\n"); |
| 818 | return -ENODEV; |
| 819 | } |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 820 | |
| 821 | drvdata = devm_kzalloc(&pdev->dev, |
| 822 | sizeof(struct ux500_msp_i2s_drvdata), |
| 823 | GFP_KERNEL); |
Lee Jones | 0dcd474 | 2012-07-26 11:28:37 +0100 | [diff] [blame] | 824 | if (!drvdata) |
| 825 | return -ENOMEM; |
| 826 | |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 827 | drvdata->fmt = 0; |
| 828 | drvdata->slots = 1; |
| 829 | drvdata->tx_mask = 0x01; |
| 830 | drvdata->rx_mask = 0x01; |
| 831 | drvdata->slot_width = 16; |
| 832 | drvdata->master_clk = MSP_INPUT_FREQ_APB; |
| 833 | |
| 834 | drvdata->reg_vape = devm_regulator_get(&pdev->dev, "v-ape"); |
| 835 | if (IS_ERR(drvdata->reg_vape)) { |
| 836 | ret = (int)PTR_ERR(drvdata->reg_vape); |
| 837 | dev_err(&pdev->dev, |
| 838 | "%s: ERROR: Failed to get Vape supply (%d)!\n", |
| 839 | __func__, ret); |
| 840 | return ret; |
| 841 | } |
| 842 | prcmu_qos_add_requirement(PRCMU_QOS_APE_OPP, (char *)pdev->name, 50); |
| 843 | |
Ulf Hansson | f61ab09 | 2012-10-22 14:32:05 +0200 | [diff] [blame] | 844 | drvdata->pclk = clk_get(&pdev->dev, "apb_pclk"); |
| 845 | if (IS_ERR(drvdata->pclk)) { |
| 846 | ret = (int)PTR_ERR(drvdata->pclk); |
| 847 | dev_err(&pdev->dev, "%s: ERROR: clk_get of pclk failed (%d)!\n", |
| 848 | __func__, ret); |
| 849 | goto err_pclk; |
| 850 | } |
| 851 | |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 852 | drvdata->clk = clk_get(&pdev->dev, NULL); |
| 853 | if (IS_ERR(drvdata->clk)) { |
| 854 | ret = (int)PTR_ERR(drvdata->clk); |
| 855 | dev_err(&pdev->dev, "%s: ERROR: clk_get failed (%d)!\n", |
| 856 | __func__, ret); |
| 857 | goto err_clk; |
| 858 | } |
| 859 | |
| 860 | ret = ux500_msp_i2s_init_msp(pdev, &drvdata->msp, |
| 861 | pdev->dev.platform_data); |
| 862 | if (!drvdata->msp) { |
| 863 | dev_err(&pdev->dev, |
| 864 | "%s: ERROR: Failed to init MSP-struct (%d)!", |
| 865 | __func__, ret); |
| 866 | goto err_init_msp; |
| 867 | } |
| 868 | dev_set_drvdata(&pdev->dev, drvdata); |
| 869 | |
Kuninori Morimoto | 42277bd | 2013-03-21 03:38:19 -0700 | [diff] [blame] | 870 | ret = snd_soc_register_component(&pdev->dev, &ux500_msp_component, |
| 871 | &ux500_msp_dai_drv[drvdata->msp->id], 1); |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 872 | if (ret < 0) { |
| 873 | dev_err(&pdev->dev, "Error: %s: Failed to register MSP%d!\n", |
| 874 | __func__, drvdata->msp->id); |
| 875 | goto err_init_msp; |
| 876 | } |
| 877 | |
Lee Jones | 1428c20 | 2012-11-23 13:05:41 +0000 | [diff] [blame] | 878 | ret = ux500_pcm_register_platform(pdev); |
| 879 | if (ret < 0) { |
| 880 | dev_err(&pdev->dev, |
| 881 | "Error: %s: Failed to register PCM platform device!\n", |
| 882 | __func__); |
| 883 | goto err_reg_plat; |
| 884 | } |
| 885 | |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 886 | return 0; |
| 887 | |
Lee Jones | 1428c20 | 2012-11-23 13:05:41 +0000 | [diff] [blame] | 888 | err_reg_plat: |
Kuninori Morimoto | 42277bd | 2013-03-21 03:38:19 -0700 | [diff] [blame] | 889 | snd_soc_unregister_component(&pdev->dev); |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 890 | err_init_msp: |
| 891 | clk_put(drvdata->clk); |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 892 | err_clk: |
Ulf Hansson | f61ab09 | 2012-10-22 14:32:05 +0200 | [diff] [blame] | 893 | clk_put(drvdata->pclk); |
| 894 | err_pclk: |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 895 | devm_regulator_put(drvdata->reg_vape); |
| 896 | |
| 897 | return ret; |
| 898 | } |
| 899 | |
Bill Pemberton | da79487 | 2012-12-07 09:26:35 -0500 | [diff] [blame] | 900 | static int ux500_msp_drv_remove(struct platform_device *pdev) |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 901 | { |
| 902 | struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(&pdev->dev); |
| 903 | |
Lee Jones | 1428c20 | 2012-11-23 13:05:41 +0000 | [diff] [blame] | 904 | ux500_pcm_unregister_platform(pdev); |
| 905 | |
Kuninori Morimoto | 42277bd | 2013-03-21 03:38:19 -0700 | [diff] [blame] | 906 | snd_soc_unregister_component(&pdev->dev); |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 907 | |
| 908 | devm_regulator_put(drvdata->reg_vape); |
| 909 | prcmu_qos_remove_requirement(PRCMU_QOS_APE_OPP, "ux500_msp_i2s"); |
| 910 | |
| 911 | clk_put(drvdata->clk); |
Ulf Hansson | f61ab09 | 2012-10-22 14:32:05 +0200 | [diff] [blame] | 912 | clk_put(drvdata->pclk); |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 913 | |
| 914 | ux500_msp_i2s_cleanup_msp(pdev, drvdata->msp); |
| 915 | |
| 916 | return 0; |
| 917 | } |
| 918 | |
Lee Jones | 49731c2 | 2012-07-26 17:07:26 +0100 | [diff] [blame] | 919 | static const struct of_device_id ux500_msp_i2s_match[] = { |
| 920 | { .compatible = "stericsson,ux500-msp-i2s", }, |
| 921 | {}, |
| 922 | }; |
| 923 | |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 924 | static struct platform_driver msp_i2s_driver = { |
| 925 | .driver = { |
| 926 | .name = "ux500-msp-i2s", |
| 927 | .owner = THIS_MODULE, |
Lee Jones | 49731c2 | 2012-07-26 17:07:26 +0100 | [diff] [blame] | 928 | .of_match_table = ux500_msp_i2s_match, |
Ola Lilja | 3592b7f | 2012-05-08 15:57:18 +0200 | [diff] [blame] | 929 | }, |
| 930 | .probe = ux500_msp_drv_probe, |
| 931 | .remove = ux500_msp_drv_remove, |
| 932 | }; |
| 933 | module_platform_driver(msp_i2s_driver); |
| 934 | |
Ola Lilja | 85f2439 | 2012-06-13 10:09:51 +0200 | [diff] [blame] | 935 | MODULE_LICENSE("GPL v2"); |