Banajit Goswami | de8271c | 2017-01-18 00:28:59 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | #include <linux/slab.h> |
| 13 | #include <linux/mutex.h> |
| 14 | #include <linux/mfd/wcd9xxx/wcd9xxx-slimslave.h> |
| 15 | #include <linux/mfd/wcd9xxx/wcd9xxx_registers.h> |
| 16 | |
| 17 | struct wcd9xxx_slim_sch { |
| 18 | u16 rx_port_ch_reg_base; |
| 19 | u16 port_tx_cfg_reg_base; |
| 20 | u16 port_rx_cfg_reg_base; |
| 21 | }; |
| 22 | |
| 23 | static struct wcd9xxx_slim_sch sh_ch; |
| 24 | |
| 25 | static int wcd9xxx_alloc_slim_sh_ch(struct wcd9xxx *wcd9xxx, |
| 26 | u8 wcd9xxx_pgd_la, u32 cnt, |
| 27 | struct wcd9xxx_ch *channels, u32 path); |
| 28 | |
| 29 | static int wcd9xxx_dealloc_slim_sh_ch(struct slim_device *slim, |
| 30 | u32 cnt, struct wcd9xxx_ch *channels); |
| 31 | |
| 32 | static int wcd9xxx_configure_ports(struct wcd9xxx *wcd9xxx) |
| 33 | { |
| 34 | if (wcd9xxx->codec_type->slim_slave_type == |
| 35 | WCD9XXX_SLIM_SLAVE_ADDR_TYPE_0) { |
| 36 | sh_ch.rx_port_ch_reg_base = 0x180; |
| 37 | sh_ch.port_rx_cfg_reg_base = 0x040; |
| 38 | sh_ch.port_tx_cfg_reg_base = 0x040; |
| 39 | } else { |
| 40 | sh_ch.rx_port_ch_reg_base = |
| 41 | 0x180 - (TAIKO_SB_PGD_OFFSET_OF_RX_SLAVE_DEV_PORTS * 4); |
| 42 | sh_ch.port_rx_cfg_reg_base = |
| 43 | 0x040 - TAIKO_SB_PGD_OFFSET_OF_RX_SLAVE_DEV_PORTS; |
| 44 | sh_ch.port_tx_cfg_reg_base = 0x050; |
| 45 | } |
| 46 | |
| 47 | return 0; |
| 48 | } |
| 49 | |
Karthikeyan Mani | eea1836 | 2017-06-27 18:09:46 -0700 | [diff] [blame] | 50 | /** |
| 51 | * wcd9xxx_init_slimslave |
| 52 | * |
| 53 | * @wcd9xxx: pointer to wcd9xxx struct |
| 54 | * @wcd9xxx_pgd_la: pgd_la value |
| 55 | * @tx_num: tx number |
| 56 | * @rx_num: rx number |
| 57 | * @tx_slot: pointer to tx slot |
| 58 | * @rx_slot: pointer to rx slot |
| 59 | * |
| 60 | * Returns 0 on success, appropriate error code otherwise |
| 61 | */ |
Banajit Goswami | de8271c | 2017-01-18 00:28:59 -0800 | [diff] [blame] | 62 | int wcd9xxx_init_slimslave(struct wcd9xxx *wcd9xxx, u8 wcd9xxx_pgd_la, |
| 63 | unsigned int tx_num, unsigned int *tx_slot, |
| 64 | unsigned int rx_num, unsigned int *rx_slot) |
| 65 | { |
| 66 | int ret = 0; |
| 67 | int i; |
| 68 | |
| 69 | ret = wcd9xxx_configure_ports(wcd9xxx); |
| 70 | if (ret) { |
| 71 | pr_err("%s: Failed to configure register address offset\n", |
| 72 | __func__); |
| 73 | goto err; |
| 74 | } |
| 75 | |
Xiaoyu Ye | b849d53 | 2016-12-20 10:56:59 -0800 | [diff] [blame] | 76 | if (!rx_num || rx_num > wcd9xxx->num_rx_port) { |
| 77 | pr_err("%s: invalid rx num %d\n", __func__, rx_num); |
| 78 | return -EINVAL; |
| 79 | } |
Banajit Goswami | de8271c | 2017-01-18 00:28:59 -0800 | [diff] [blame] | 80 | if (wcd9xxx->rx_chs) { |
| 81 | wcd9xxx->num_rx_port = rx_num; |
| 82 | for (i = 0; i < rx_num; i++) { |
| 83 | wcd9xxx->rx_chs[i].ch_num = rx_slot[i]; |
| 84 | INIT_LIST_HEAD(&wcd9xxx->rx_chs[i].list); |
| 85 | } |
| 86 | ret = wcd9xxx_alloc_slim_sh_ch(wcd9xxx, wcd9xxx_pgd_la, |
| 87 | wcd9xxx->num_rx_port, |
| 88 | wcd9xxx->rx_chs, |
| 89 | SLIM_SINK); |
| 90 | if (ret) { |
| 91 | pr_err("%s: Failed to alloc %d rx slimbus channels\n", |
| 92 | __func__, wcd9xxx->num_rx_port); |
| 93 | kfree(wcd9xxx->rx_chs); |
| 94 | wcd9xxx->rx_chs = NULL; |
| 95 | wcd9xxx->num_rx_port = 0; |
| 96 | } |
| 97 | } else { |
| 98 | pr_err("Not able to allocate memory for %d slimbus rx ports\n", |
| 99 | wcd9xxx->num_rx_port); |
| 100 | } |
| 101 | |
Xiaoyu Ye | b849d53 | 2016-12-20 10:56:59 -0800 | [diff] [blame] | 102 | if (!tx_num || tx_num > wcd9xxx->num_tx_port) { |
| 103 | pr_err("%s: invalid tx num %d\n", __func__, tx_num); |
| 104 | return -EINVAL; |
| 105 | } |
Banajit Goswami | de8271c | 2017-01-18 00:28:59 -0800 | [diff] [blame] | 106 | if (wcd9xxx->tx_chs) { |
| 107 | wcd9xxx->num_tx_port = tx_num; |
| 108 | for (i = 0; i < tx_num; i++) { |
| 109 | wcd9xxx->tx_chs[i].ch_num = tx_slot[i]; |
| 110 | INIT_LIST_HEAD(&wcd9xxx->tx_chs[i].list); |
| 111 | } |
| 112 | ret = wcd9xxx_alloc_slim_sh_ch(wcd9xxx, wcd9xxx_pgd_la, |
| 113 | wcd9xxx->num_tx_port, |
| 114 | wcd9xxx->tx_chs, |
| 115 | SLIM_SRC); |
| 116 | if (ret) { |
| 117 | pr_err("%s: Failed to alloc %d tx slimbus channels\n", |
| 118 | __func__, wcd9xxx->num_tx_port); |
| 119 | kfree(wcd9xxx->tx_chs); |
| 120 | wcd9xxx->tx_chs = NULL; |
| 121 | wcd9xxx->num_tx_port = 0; |
| 122 | } |
| 123 | } else { |
| 124 | pr_err("Not able to allocate memory for %d slimbus tx ports\n", |
| 125 | wcd9xxx->num_tx_port); |
| 126 | } |
| 127 | return 0; |
| 128 | err: |
| 129 | return ret; |
| 130 | } |
Karthikeyan Mani | eea1836 | 2017-06-27 18:09:46 -0700 | [diff] [blame] | 131 | EXPORT_SYMBOL(wcd9xxx_init_slimslave); |
Banajit Goswami | de8271c | 2017-01-18 00:28:59 -0800 | [diff] [blame] | 132 | |
| 133 | int wcd9xxx_deinit_slimslave(struct wcd9xxx *wcd9xxx) |
| 134 | { |
| 135 | if (wcd9xxx->num_rx_port) { |
| 136 | wcd9xxx_dealloc_slim_sh_ch(wcd9xxx->slim, |
| 137 | wcd9xxx->num_rx_port, |
| 138 | wcd9xxx->rx_chs); |
| 139 | wcd9xxx->num_rx_port = 0; |
| 140 | } |
| 141 | if (wcd9xxx->num_tx_port) { |
| 142 | wcd9xxx_dealloc_slim_sh_ch(wcd9xxx->slim, |
| 143 | wcd9xxx->num_tx_port, |
| 144 | wcd9xxx->tx_chs); |
| 145 | wcd9xxx->num_tx_port = 0; |
| 146 | } |
| 147 | return 0; |
| 148 | } |
| 149 | |
| 150 | |
| 151 | static int wcd9xxx_alloc_slim_sh_ch(struct wcd9xxx *wcd9xxx, |
| 152 | u8 wcd9xxx_pgd_la, u32 cnt, |
| 153 | struct wcd9xxx_ch *channels, u32 path) |
| 154 | { |
| 155 | int ret = 0; |
| 156 | u32 ch_idx; |
| 157 | |
| 158 | /* The slimbus channel allocation seem take longer time |
| 159 | * so do the allocation up front to avoid delay in start of |
| 160 | * playback |
| 161 | */ |
| 162 | pr_debug("%s: pgd_la[%d]\n", __func__, wcd9xxx_pgd_la); |
| 163 | for (ch_idx = 0; ch_idx < cnt; ch_idx++) { |
| 164 | ret = slim_get_slaveport(wcd9xxx_pgd_la, |
| 165 | channels[ch_idx].port, |
| 166 | &channels[ch_idx].sph, path); |
| 167 | pr_debug("%s: pgd_la[%d] channels[%d].port[%d]\n" |
| 168 | "channels[%d].sph[%d] path[%d]\n", |
| 169 | __func__, wcd9xxx_pgd_la, ch_idx, |
| 170 | channels[ch_idx].port, |
| 171 | ch_idx, channels[ch_idx].sph, path); |
| 172 | if (ret < 0) { |
| 173 | pr_err("%s: slave port failure id[%d] ret[%d]\n", |
| 174 | __func__, channels[ch_idx].ch_num, ret); |
| 175 | goto err; |
| 176 | } |
| 177 | |
| 178 | ret = slim_query_ch(wcd9xxx->slim, |
| 179 | channels[ch_idx].ch_num, |
| 180 | &channels[ch_idx].ch_h); |
| 181 | if (ret < 0) { |
| 182 | pr_err("%s: slim_query_ch failed ch-num[%d] ret[%d]\n", |
| 183 | __func__, channels[ch_idx].ch_num, ret); |
| 184 | goto err; |
| 185 | } |
| 186 | } |
| 187 | err: |
| 188 | return ret; |
| 189 | } |
| 190 | |
| 191 | static int wcd9xxx_dealloc_slim_sh_ch(struct slim_device *slim, |
| 192 | u32 cnt, struct wcd9xxx_ch *channels) |
| 193 | { |
| 194 | int idx = 0; |
| 195 | int ret = 0; |
| 196 | /* slim_dealloc_ch */ |
| 197 | for (idx = 0; idx < cnt; idx++) { |
| 198 | ret = slim_dealloc_ch(slim, channels[idx].ch_h); |
| 199 | if (ret < 0) { |
| 200 | pr_err("%s: slim_dealloc_ch fail ret[%d] ch_h[%d]\n", |
| 201 | __func__, ret, channels[idx].ch_h); |
| 202 | } |
| 203 | } |
| 204 | return ret; |
| 205 | } |
| 206 | |
| 207 | /* Enable slimbus slave device for RX path */ |
| 208 | int wcd9xxx_cfg_slim_sch_rx(struct wcd9xxx *wcd9xxx, |
| 209 | struct list_head *wcd9xxx_ch_list, |
| 210 | unsigned int rate, unsigned int bit_width, |
| 211 | u16 *grph) |
| 212 | { |
| 213 | u8 ch_cnt = 0; |
| 214 | u16 ch_h[SLIM_MAX_RX_PORTS] = {0}; |
| 215 | u8 payload = 0; |
| 216 | u16 codec_port = 0; |
| 217 | int ret; |
| 218 | struct slim_ch prop; |
| 219 | struct wcd9xxx_ch *rx; |
| 220 | int size = ARRAY_SIZE(ch_h); |
| 221 | |
| 222 | /* Configure slave interface device */ |
| 223 | |
| 224 | list_for_each_entry(rx, wcd9xxx_ch_list, list) { |
| 225 | payload |= 1 << rx->shift; |
| 226 | if (ch_cnt < size) { |
| 227 | ch_h[ch_cnt] = rx->ch_h; |
| 228 | ch_cnt++; |
| 229 | pr_debug("list ch->ch_h %d ch->sph %d\n", |
| 230 | rx->ch_h, rx->sph); |
| 231 | } else { |
| 232 | pr_err("%s: allocated channel number %u is out of max rangae %d\n", |
| 233 | __func__, ch_cnt, |
| 234 | size); |
| 235 | ret = EINVAL; |
| 236 | goto err; |
| 237 | } |
| 238 | } |
| 239 | pr_debug("%s: ch_cnt[%d] rate=%d WATER_MARK_VAL %d\n", |
| 240 | __func__, ch_cnt, rate, WATER_MARK_VAL); |
| 241 | /* slim_define_ch api */ |
| 242 | prop.prot = SLIM_AUTO_ISO; |
| 243 | if ((rate == 44100) || (rate == 88200) || (rate == 176400) || |
| 244 | (rate == 352800)) { |
| 245 | prop.baser = SLIM_RATE_11025HZ; |
| 246 | prop.ratem = (rate/11025); |
| 247 | } else { |
| 248 | prop.baser = SLIM_RATE_4000HZ; |
| 249 | prop.ratem = (rate/4000); |
| 250 | } |
| 251 | prop.dataf = SLIM_CH_DATAF_NOT_DEFINED; |
| 252 | prop.auxf = SLIM_CH_AUXF_NOT_APPLICABLE; |
| 253 | prop.sampleszbits = bit_width; |
| 254 | |
| 255 | pr_debug("Before slim_define_ch:\n" |
| 256 | "ch_cnt %d,ch_h[0] %d ch_h[1] %d, grph %d\n", |
| 257 | ch_cnt, ch_h[0], ch_h[1], *grph); |
| 258 | ret = slim_define_ch(wcd9xxx->slim, &prop, ch_h, ch_cnt, |
| 259 | true, grph); |
| 260 | if (ret < 0) { |
| 261 | pr_err("%s: slim_define_ch failed ret[%d]\n", |
| 262 | __func__, ret); |
| 263 | goto err; |
| 264 | } |
| 265 | |
| 266 | list_for_each_entry(rx, wcd9xxx_ch_list, list) { |
| 267 | codec_port = rx->port; |
| 268 | pr_debug("%s: codec_port %d rx 0x%p, payload %d\n" |
| 269 | "sh_ch.rx_port_ch_reg_base0 0x%x\n" |
| 270 | "sh_ch.port_rx_cfg_reg_base 0x%x\n", |
| 271 | __func__, codec_port, rx, payload, |
| 272 | sh_ch.rx_port_ch_reg_base, |
| 273 | sh_ch.port_rx_cfg_reg_base); |
| 274 | |
| 275 | /* look for the valid port range and chose the |
| 276 | * payload accordingly |
| 277 | */ |
| 278 | /* write to interface device */ |
| 279 | ret = wcd9xxx_interface_reg_write(wcd9xxx, |
| 280 | SB_PGD_RX_PORT_MULTI_CHANNEL_0( |
| 281 | sh_ch.rx_port_ch_reg_base, codec_port), |
| 282 | payload); |
| 283 | |
| 284 | if (ret < 0) { |
| 285 | pr_err("%s:Intf-dev fail reg[%d] payload[%d] ret[%d]\n", |
| 286 | __func__, |
| 287 | SB_PGD_RX_PORT_MULTI_CHANNEL_0( |
| 288 | sh_ch.rx_port_ch_reg_base, codec_port), |
| 289 | payload, ret); |
| 290 | goto err; |
| 291 | } |
| 292 | /* configure the slave port for water mark and enable*/ |
| 293 | ret = wcd9xxx_interface_reg_write(wcd9xxx, |
| 294 | SB_PGD_PORT_CFG_BYTE_ADDR( |
| 295 | sh_ch.port_rx_cfg_reg_base, codec_port), |
| 296 | WATER_MARK_VAL); |
| 297 | if (ret < 0) { |
| 298 | pr_err("%s:watermark set failure for port[%d] ret[%d]", |
| 299 | __func__, codec_port, ret); |
| 300 | } |
| 301 | |
| 302 | ret = slim_connect_sink(wcd9xxx->slim, &rx->sph, 1, rx->ch_h); |
| 303 | if (ret < 0) { |
| 304 | pr_err("%s: slim_connect_sink failed ret[%d]\n", |
| 305 | __func__, ret); |
| 306 | goto err_close_slim_sch; |
| 307 | } |
| 308 | } |
| 309 | /* slim_control_ch */ |
| 310 | ret = slim_control_ch(wcd9xxx->slim, *grph, SLIM_CH_ACTIVATE, |
| 311 | true); |
| 312 | if (ret < 0) { |
| 313 | pr_err("%s: slim_control_ch failed ret[%d]\n", |
| 314 | __func__, ret); |
| 315 | goto err_close_slim_sch; |
| 316 | } |
| 317 | return 0; |
| 318 | |
| 319 | err_close_slim_sch: |
| 320 | /* release all acquired handles */ |
| 321 | wcd9xxx_close_slim_sch_rx(wcd9xxx, wcd9xxx_ch_list, *grph); |
| 322 | err: |
| 323 | return ret; |
| 324 | } |
| 325 | EXPORT_SYMBOL(wcd9xxx_cfg_slim_sch_rx); |
| 326 | |
| 327 | /* Enable slimbus slave device for RX path */ |
| 328 | int wcd9xxx_cfg_slim_sch_tx(struct wcd9xxx *wcd9xxx, |
| 329 | struct list_head *wcd9xxx_ch_list, |
| 330 | unsigned int rate, unsigned int bit_width, |
| 331 | u16 *grph) |
| 332 | { |
| 333 | u16 ch_cnt = 0; |
| 334 | u16 payload = 0; |
| 335 | u16 ch_h[SLIM_MAX_TX_PORTS] = {0}; |
| 336 | u16 codec_port; |
| 337 | int ret = 0; |
| 338 | struct wcd9xxx_ch *tx; |
| 339 | int size = ARRAY_SIZE(ch_h); |
| 340 | |
| 341 | struct slim_ch prop; |
| 342 | |
| 343 | list_for_each_entry(tx, wcd9xxx_ch_list, list) { |
| 344 | payload |= 1 << tx->shift; |
| 345 | if (ch_cnt < size) { |
| 346 | ch_h[ch_cnt] = tx->ch_h; |
| 347 | ch_cnt++; |
| 348 | } else { |
| 349 | pr_err("%s: allocated channel number %u is out of max rangae %d\n", |
| 350 | __func__, ch_cnt, |
| 351 | size); |
| 352 | ret = EINVAL; |
| 353 | goto err; |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | /* slim_define_ch api */ |
| 358 | prop.prot = SLIM_AUTO_ISO; |
| 359 | prop.baser = SLIM_RATE_4000HZ; |
| 360 | prop.dataf = SLIM_CH_DATAF_NOT_DEFINED; |
| 361 | prop.auxf = SLIM_CH_AUXF_NOT_APPLICABLE; |
| 362 | prop.ratem = (rate/4000); |
| 363 | prop.sampleszbits = bit_width; |
| 364 | ret = slim_define_ch(wcd9xxx->slim, &prop, ch_h, ch_cnt, |
| 365 | true, grph); |
| 366 | if (ret < 0) { |
| 367 | pr_err("%s: slim_define_ch failed ret[%d]\n", |
| 368 | __func__, ret); |
| 369 | goto err; |
| 370 | } |
| 371 | |
| 372 | pr_debug("%s: ch_cnt[%d] rate[%d] bitwidth[%u]\n", __func__, ch_cnt, |
| 373 | rate, bit_width); |
| 374 | list_for_each_entry(tx, wcd9xxx_ch_list, list) { |
| 375 | codec_port = tx->port; |
| 376 | pr_debug("%s: codec_port %d tx 0x%p, payload 0x%x\n", |
| 377 | __func__, codec_port, tx, payload); |
| 378 | /* write to interface device */ |
| 379 | ret = wcd9xxx_interface_reg_write(wcd9xxx, |
| 380 | SB_PGD_TX_PORT_MULTI_CHANNEL_0(codec_port), |
| 381 | payload & 0x00FF); |
| 382 | if (ret < 0) { |
| 383 | pr_err("%s:Intf-dev fail reg[%d] payload[%d] ret[%d]\n", |
| 384 | __func__, |
| 385 | SB_PGD_TX_PORT_MULTI_CHANNEL_0(codec_port), |
| 386 | payload, ret); |
| 387 | goto err; |
| 388 | } |
| 389 | /* ports 8,9 */ |
| 390 | ret = wcd9xxx_interface_reg_write(wcd9xxx, |
| 391 | SB_PGD_TX_PORT_MULTI_CHANNEL_1(codec_port), |
| 392 | (payload & 0xFF00)>>8); |
| 393 | if (ret < 0) { |
| 394 | pr_err("%s:Intf-dev fail reg[%d] payload[%d] ret[%d]\n", |
| 395 | __func__, |
| 396 | SB_PGD_TX_PORT_MULTI_CHANNEL_1(codec_port), |
| 397 | payload, ret); |
| 398 | goto err; |
| 399 | } |
| 400 | /* configure the slave port for water mark and enable*/ |
| 401 | ret = wcd9xxx_interface_reg_write(wcd9xxx, |
| 402 | SB_PGD_PORT_CFG_BYTE_ADDR( |
| 403 | sh_ch.port_tx_cfg_reg_base, codec_port), |
| 404 | WATER_MARK_VAL); |
| 405 | if (ret < 0) { |
| 406 | pr_err("%s:watermark set failure for port[%d] ret[%d]", |
| 407 | __func__, codec_port, ret); |
| 408 | } |
| 409 | |
| 410 | ret = slim_connect_src(wcd9xxx->slim, tx->sph, tx->ch_h); |
| 411 | |
| 412 | if (ret < 0) { |
| 413 | pr_err("%s: slim_connect_src failed ret[%d]\n", |
| 414 | __func__, ret); |
| 415 | goto err; |
| 416 | } |
| 417 | } |
| 418 | /* slim_control_ch */ |
| 419 | ret = slim_control_ch(wcd9xxx->slim, *grph, SLIM_CH_ACTIVATE, |
| 420 | true); |
| 421 | if (ret < 0) { |
| 422 | pr_err("%s: slim_control_ch failed ret[%d]\n", |
| 423 | __func__, ret); |
| 424 | goto err; |
| 425 | } |
| 426 | return 0; |
| 427 | err: |
| 428 | /* release all acquired handles */ |
| 429 | wcd9xxx_close_slim_sch_tx(wcd9xxx, wcd9xxx_ch_list, *grph); |
| 430 | return ret; |
| 431 | } |
| 432 | EXPORT_SYMBOL(wcd9xxx_cfg_slim_sch_tx); |
| 433 | |
| 434 | int wcd9xxx_close_slim_sch_rx(struct wcd9xxx *wcd9xxx, |
| 435 | struct list_head *wcd9xxx_ch_list, u16 grph) |
| 436 | { |
| 437 | u32 sph[SLIM_MAX_RX_PORTS] = {0}; |
| 438 | int ch_cnt = 0; |
| 439 | int ret = 0; |
| 440 | struct wcd9xxx_ch *rx; |
| 441 | |
| 442 | list_for_each_entry(rx, wcd9xxx_ch_list, list) |
| 443 | sph[ch_cnt++] = rx->sph; |
| 444 | |
| 445 | pr_debug("%s ch_cht %d, sph[0] %d sph[1] %d\n", __func__, ch_cnt, |
| 446 | sph[0], sph[1]); |
| 447 | |
| 448 | /* slim_control_ch (REMOVE) */ |
| 449 | pr_debug("%s before slim_control_ch grph %d\n", __func__, grph); |
| 450 | ret = slim_control_ch(wcd9xxx->slim, grph, SLIM_CH_REMOVE, true); |
| 451 | if (ret < 0) { |
| 452 | pr_err("%s: slim_control_ch failed ret[%d]\n", __func__, ret); |
| 453 | goto err; |
| 454 | } |
| 455 | err: |
| 456 | return ret; |
| 457 | } |
| 458 | EXPORT_SYMBOL(wcd9xxx_close_slim_sch_rx); |
| 459 | |
| 460 | int wcd9xxx_close_slim_sch_tx(struct wcd9xxx *wcd9xxx, |
| 461 | struct list_head *wcd9xxx_ch_list, |
| 462 | u16 grph) |
| 463 | { |
| 464 | u32 sph[SLIM_MAX_TX_PORTS] = {0}; |
| 465 | int ret = 0; |
| 466 | int ch_cnt = 0; |
| 467 | struct wcd9xxx_ch *tx; |
| 468 | |
| 469 | pr_debug("%s\n", __func__); |
| 470 | list_for_each_entry(tx, wcd9xxx_ch_list, list) |
| 471 | sph[ch_cnt++] = tx->sph; |
| 472 | |
| 473 | pr_debug("%s ch_cht %d, sph[0] %d sph[1] %d\n", |
| 474 | __func__, ch_cnt, sph[0], sph[1]); |
| 475 | /* slim_control_ch (REMOVE) */ |
| 476 | ret = slim_control_ch(wcd9xxx->slim, grph, SLIM_CH_REMOVE, true); |
| 477 | if (ret < 0) { |
| 478 | pr_err("%s: slim_control_ch failed ret[%d]\n", |
| 479 | __func__, ret); |
| 480 | goto err; |
| 481 | } |
| 482 | err: |
| 483 | return ret; |
| 484 | } |
| 485 | EXPORT_SYMBOL(wcd9xxx_close_slim_sch_tx); |
| 486 | |
| 487 | int wcd9xxx_get_slave_port(unsigned int ch_num) |
| 488 | { |
| 489 | int ret = 0; |
| 490 | |
| 491 | ret = (ch_num - BASE_CH_NUM); |
| 492 | pr_debug("%s: ch_num[%d] slave port[%d]\n", __func__, ch_num, ret); |
| 493 | if (ret < 0) { |
| 494 | pr_err("%s: Error:- Invalid slave port found = %d\n", |
| 495 | __func__, ret); |
| 496 | return -EINVAL; |
| 497 | } |
| 498 | return ret; |
| 499 | } |
| 500 | EXPORT_SYMBOL(wcd9xxx_get_slave_port); |
| 501 | |
| 502 | int wcd9xxx_disconnect_port(struct wcd9xxx *wcd9xxx, |
| 503 | struct list_head *wcd9xxx_ch_list, u16 grph) |
| 504 | { |
| 505 | u32 sph[SLIM_MAX_TX_PORTS + SLIM_MAX_RX_PORTS] = {0}; |
| 506 | int ch_cnt = 0; |
| 507 | int ret = 0; |
| 508 | struct wcd9xxx_ch *slim_ch; |
| 509 | |
| 510 | list_for_each_entry(slim_ch, wcd9xxx_ch_list, list) |
| 511 | sph[ch_cnt++] = slim_ch->sph; |
| 512 | |
| 513 | /* slim_disconnect_port */ |
| 514 | ret = slim_disconnect_ports(wcd9xxx->slim, sph, ch_cnt); |
| 515 | if (ret < 0) { |
| 516 | pr_err("%s: slim_disconnect_ports failed ret[%d]\n", |
| 517 | __func__, ret); |
| 518 | } |
| 519 | return ret; |
| 520 | } |
| 521 | EXPORT_SYMBOL(wcd9xxx_disconnect_port); |
| 522 | |
| 523 | /* This function is called with mutex acquired */ |
| 524 | int wcd9xxx_rx_vport_validation(u32 port_id, |
| 525 | struct list_head *codec_dai_list) |
| 526 | { |
| 527 | struct wcd9xxx_ch *ch; |
| 528 | int ret = 0; |
| 529 | |
| 530 | pr_debug("%s: port_id %u\n", __func__, port_id); |
| 531 | |
| 532 | list_for_each_entry(ch, |
| 533 | codec_dai_list, list) { |
| 534 | pr_debug("%s: ch->port %u\n", __func__, ch->port); |
| 535 | if (ch->port == port_id) { |
| 536 | ret = -EINVAL; |
| 537 | break; |
| 538 | } |
| 539 | } |
| 540 | return ret; |
| 541 | } |
| 542 | EXPORT_SYMBOL(wcd9xxx_rx_vport_validation); |
| 543 | |
| 544 | |
| 545 | /* This function is called with mutex acquired */ |
| 546 | int wcd9xxx_tx_vport_validation(u32 table, u32 port_id, |
| 547 | struct wcd9xxx_codec_dai_data *codec_dai, |
| 548 | u32 num_codec_dais) |
| 549 | { |
| 550 | struct wcd9xxx_ch *ch; |
| 551 | int ret = 0; |
| 552 | u32 index; |
| 553 | unsigned long vtable = table; |
| 554 | u32 size = sizeof(table) * BITS_PER_BYTE; |
| 555 | |
| 556 | pr_debug("%s: vtable 0x%lx port_id %u size %d\n", __func__, |
| 557 | vtable, port_id, size); |
| 558 | for_each_set_bit(index, &vtable, size) { |
| 559 | if (index < num_codec_dais) { |
| 560 | list_for_each_entry(ch, |
| 561 | &codec_dai[index].wcd9xxx_ch_list, |
| 562 | list) { |
| 563 | pr_debug("%s: index %u ch->port %u vtable 0x%lx\n", |
| 564 | __func__, index, ch->port, |
| 565 | vtable); |
| 566 | if (ch->port == port_id) { |
| 567 | pr_err("%s: TX%u is used by AIF%u_CAP Mixer\n", |
| 568 | __func__, port_id + 1, |
| 569 | (index + 1)/2); |
| 570 | ret = -EINVAL; |
| 571 | break; |
| 572 | } |
| 573 | } |
| 574 | } else { |
| 575 | pr_err("%s: Invalid index %d of codec dai", |
| 576 | __func__, index); |
| 577 | ret = -EINVAL; |
| 578 | } |
| 579 | if (ret) |
| 580 | break; |
| 581 | } |
| 582 | return ret; |
| 583 | } |
| 584 | EXPORT_SYMBOL(wcd9xxx_tx_vport_validation); |