Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 1 | /* |
| 2 | * intel_sst_dsp.c - Intel SST Driver for audio engine |
| 3 | * |
| 4 | * Copyright (C) 2008-10 Intel Corp |
| 5 | * Authors: Vinod Koul <vinod.koul@intel.com> |
| 6 | * Harsha Priya <priya.harsha@intel.com> |
| 7 | * Dharageswari R <dharageswari.r@intel.com> |
| 8 | * KP Jeeja <jeeja.kp@intel.com> |
| 9 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License as published by |
| 13 | * the Free Software Foundation; version 2 of the License. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, but |
| 16 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 18 | * General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License along |
| 21 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 22 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. |
| 23 | * |
| 24 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 25 | * |
| 26 | * This driver exposes the audio engine functionalities to the ALSA |
| 27 | * and middleware. |
| 28 | * |
| 29 | * This file contains all dsp controlling functions like firmware download, |
| 30 | * setting/resetting dsp cores, etc |
| 31 | */ |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 32 | |
| 33 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 34 | |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 35 | #include <linux/pci.h> |
| 36 | #include <linux/fs.h> |
| 37 | #include <linux/firmware.h> |
| 38 | #include "intel_sst.h" |
| 39 | #include "intel_sst_ioctl.h" |
| 40 | #include "intel_sst_fw_ipc.h" |
| 41 | #include "intel_sst_common.h" |
| 42 | |
| 43 | |
| 44 | /** |
| 45 | * intel_sst_reset_dsp_mrst - Resetting SST DSP |
| 46 | * |
| 47 | * This resets DSP in case of MRST platfroms |
| 48 | */ |
| 49 | static int intel_sst_reset_dsp_mrst(void) |
| 50 | { |
| 51 | union config_status_reg csr; |
| 52 | |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 53 | pr_debug("Resetting the DSP in mrst\n"); |
Vinod Koul | 964c697 | 2010-11-22 10:33:28 +0000 | [diff] [blame] | 54 | csr.full = sst_shim_read(sst_drv_ctx->shim, SST_CSR); |
| 55 | csr.full |= 0x382; |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 56 | sst_shim_write(sst_drv_ctx->shim, SST_CSR, csr.full); |
| 57 | csr.full = sst_shim_read(sst_drv_ctx->shim, SST_CSR); |
| 58 | csr.part.strb_cntr_rst = 0; |
| 59 | csr.part.run_stall = 0x1; |
| 60 | csr.part.bypass = 0x7; |
| 61 | csr.part.sst_reset = 0x1; |
| 62 | sst_shim_write(sst_drv_ctx->shim, SST_CSR, csr.full); |
| 63 | return 0; |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * intel_sst_reset_dsp_medfield - Resetting SST DSP |
| 68 | * |
| 69 | * This resets DSP in case of Medfield platfroms |
| 70 | */ |
| 71 | static int intel_sst_reset_dsp_medfield(void) |
| 72 | { |
| 73 | union config_status_reg csr; |
| 74 | |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 75 | pr_debug("Resetting the DSP in medfield\n"); |
Vinod Koul | afe9194 | 2011-05-03 17:31:49 +0100 | [diff] [blame] | 76 | csr.full = sst_shim_read(sst_drv_ctx->shim, SST_CSR); |
| 77 | csr.full |= 0x382; |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 78 | sst_shim_write(sst_drv_ctx->shim, SST_CSR, csr.full); |
| 79 | |
| 80 | return 0; |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * sst_start_mrst - Start the SST DSP processor |
| 85 | * |
| 86 | * This starts the DSP in MRST platfroms |
| 87 | */ |
| 88 | static int sst_start_mrst(void) |
| 89 | { |
| 90 | union config_status_reg csr; |
| 91 | |
| 92 | csr.full = sst_shim_read(sst_drv_ctx->shim, SST_CSR); |
| 93 | csr.part.bypass = 0; |
| 94 | sst_shim_write(sst_drv_ctx->shim, SST_CSR, csr.full); |
| 95 | csr.part.run_stall = 0; |
| 96 | csr.part.sst_reset = 0; |
| 97 | csr.part.strb_cntr_rst = 1; |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 98 | pr_debug("Setting SST to execute_mrst 0x%x\n", csr.full); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 99 | sst_shim_write(sst_drv_ctx->shim, SST_CSR, csr.full); |
| 100 | |
| 101 | return 0; |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * sst_start_medfield - Start the SST DSP processor |
| 106 | * |
| 107 | * This starts the DSP in MRST platfroms |
| 108 | */ |
| 109 | static int sst_start_medfield(void) |
| 110 | { |
| 111 | union config_status_reg csr; |
| 112 | |
Vinod Koul | afe9194 | 2011-05-03 17:31:49 +0100 | [diff] [blame] | 113 | csr.full = sst_shim_read(sst_drv_ctx->shim, SST_CSR); |
| 114 | csr.part.bypass = 0; |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 115 | sst_shim_write(sst_drv_ctx->shim, SST_CSR, csr.full); |
Vinod Koul | afe9194 | 2011-05-03 17:31:49 +0100 | [diff] [blame] | 116 | csr.full = sst_shim_read(sst_drv_ctx->shim, SST_CSR); |
| 117 | csr.part.mfld_strb = 1; |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 118 | sst_shim_write(sst_drv_ctx->shim, SST_CSR, csr.full); |
Vinod Koul | afe9194 | 2011-05-03 17:31:49 +0100 | [diff] [blame] | 119 | csr.full = sst_shim_read(sst_drv_ctx->shim, SST_CSR); |
| 120 | csr.part.run_stall = 0; |
| 121 | csr.part.sst_reset = 0; |
| 122 | pr_debug("Starting the DSP_medfld %x\n", csr.full); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 123 | sst_shim_write(sst_drv_ctx->shim, SST_CSR, csr.full); |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 124 | pr_debug("Starting the DSP_medfld\n"); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 125 | |
| 126 | return 0; |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * sst_parse_module - Parse audio FW modules |
| 131 | * |
| 132 | * @module: FW module header |
| 133 | * |
| 134 | * Parses modules that need to be placed in SST IRAM and DRAM |
| 135 | * returns error or 0 if module sizes are proper |
| 136 | */ |
| 137 | static int sst_parse_module(struct fw_module_header *module) |
| 138 | { |
| 139 | struct dma_block_info *block; |
| 140 | u32 count; |
| 141 | void __iomem *ram; |
| 142 | |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 143 | pr_debug("module sign %s size %x blocks %x type %x\n", |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 144 | module->signature, module->mod_size, |
| 145 | module->blocks, module->type); |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 146 | pr_debug("module entrypoint 0x%x\n", module->entry_point); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 147 | |
| 148 | block = (void *)module + sizeof(*module); |
| 149 | |
| 150 | for (count = 0; count < module->blocks; count++) { |
| 151 | if (block->size <= 0) { |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 152 | pr_err("block size invalid\n"); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 153 | return -EINVAL; |
| 154 | } |
| 155 | switch (block->type) { |
| 156 | case SST_IRAM: |
| 157 | ram = sst_drv_ctx->iram; |
| 158 | break; |
| 159 | case SST_DRAM: |
| 160 | ram = sst_drv_ctx->dram; |
| 161 | break; |
| 162 | default: |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 163 | pr_err("wrong ram type0x%x in block0x%x\n", |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 164 | block->type, count); |
| 165 | return -EINVAL; |
| 166 | } |
| 167 | memcpy_toio(ram + block->ram_offset, |
| 168 | (void *)block + sizeof(*block), block->size); |
| 169 | block = (void *)block + sizeof(*block) + block->size; |
| 170 | } |
| 171 | return 0; |
| 172 | } |
| 173 | |
| 174 | /** |
| 175 | * sst_parse_fw_image - parse and load FW |
| 176 | * |
| 177 | * @sst_fw: pointer to audio fw |
| 178 | * |
| 179 | * This function is called to parse and download the FW image |
| 180 | */ |
| 181 | static int sst_parse_fw_image(const struct firmware *sst_fw) |
| 182 | { |
| 183 | struct fw_header *header; |
| 184 | u32 count; |
| 185 | int ret_val; |
| 186 | struct fw_module_header *module; |
| 187 | |
| 188 | BUG_ON(!sst_fw); |
| 189 | |
| 190 | /* Read the header information from the data pointer */ |
| 191 | header = (struct fw_header *)sst_fw->data; |
| 192 | |
| 193 | /* verify FW */ |
| 194 | if ((strncmp(header->signature, SST_FW_SIGN, 4) != 0) || |
| 195 | (sst_fw->size != header->file_size + sizeof(*header))) { |
| 196 | /* Invalid FW signature */ |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 197 | pr_err("Invalid FW sign/filesize mismatch\n"); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 198 | return -EINVAL; |
| 199 | } |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 200 | pr_debug("header sign=%s size=%x modules=%x fmt=%x size=%x\n", |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 201 | header->signature, header->file_size, header->modules, |
| 202 | header->file_format, sizeof(*header)); |
| 203 | module = (void *)sst_fw->data + sizeof(*header); |
| 204 | for (count = 0; count < header->modules; count++) { |
| 205 | /* module */ |
| 206 | ret_val = sst_parse_module(module); |
| 207 | if (ret_val) |
| 208 | return ret_val; |
| 209 | module = (void *)module + sizeof(*module) + module->mod_size ; |
| 210 | } |
| 211 | |
| 212 | return 0; |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * sst_load_fw - function to load FW into DSP |
| 217 | * |
| 218 | * @fw: Pointer to driver loaded FW |
| 219 | * @context: driver context |
| 220 | * |
| 221 | * This function is called by OS when the FW is loaded into kernel |
| 222 | */ |
| 223 | int sst_load_fw(const struct firmware *fw, void *context) |
| 224 | { |
| 225 | int ret_val; |
| 226 | |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 227 | pr_debug("load_fw called\n"); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 228 | BUG_ON(!fw); |
| 229 | |
| 230 | if (sst_drv_ctx->pci_id == SST_MRST_PCI_ID) |
| 231 | ret_val = intel_sst_reset_dsp_mrst(); |
| 232 | else if (sst_drv_ctx->pci_id == SST_MFLD_PCI_ID) |
| 233 | ret_val = intel_sst_reset_dsp_medfield(); |
| 234 | if (ret_val) |
| 235 | return ret_val; |
| 236 | |
| 237 | ret_val = sst_parse_fw_image(fw); |
| 238 | if (ret_val) |
| 239 | return ret_val; |
| 240 | mutex_lock(&sst_drv_ctx->sst_lock); |
| 241 | sst_drv_ctx->sst_state = SST_FW_LOADED; |
| 242 | mutex_unlock(&sst_drv_ctx->sst_lock); |
| 243 | /* 7. ask scu to reset the bypass bits */ |
| 244 | /* 8.bring sst out of reset */ |
| 245 | if (sst_drv_ctx->pci_id == SST_MRST_PCI_ID) |
| 246 | ret_val = sst_start_mrst(); |
| 247 | else if (sst_drv_ctx->pci_id == SST_MFLD_PCI_ID) |
| 248 | ret_val = sst_start_medfield(); |
| 249 | if (ret_val) |
| 250 | return ret_val; |
| 251 | |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 252 | pr_debug("fw loaded successful!!!\n"); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 253 | return ret_val; |
| 254 | } |
| 255 | |
| 256 | /*This function is called when any codec/post processing library |
| 257 | needs to be downloaded*/ |
| 258 | static int sst_download_library(const struct firmware *fw_lib, |
| 259 | struct snd_sst_lib_download_info *lib) |
| 260 | { |
| 261 | /* send IPC message and wait */ |
| 262 | int i; |
| 263 | u8 pvt_id; |
| 264 | struct ipc_post *msg = NULL; |
| 265 | union config_status_reg csr; |
| 266 | struct snd_sst_str_type str_type = {0}; |
| 267 | int retval = 0; |
| 268 | |
| 269 | if (sst_create_large_msg(&msg)) |
| 270 | return -ENOMEM; |
| 271 | |
| 272 | pvt_id = sst_assign_pvt_id(sst_drv_ctx); |
| 273 | i = sst_get_block_stream(sst_drv_ctx); |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 274 | pr_debug("alloc block allocated = %d, pvt_id %d\n", i, pvt_id); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 275 | if (i < 0) { |
| 276 | kfree(msg); |
| 277 | return -ENOMEM; |
| 278 | } |
| 279 | sst_drv_ctx->alloc_block[i].sst_id = pvt_id; |
| 280 | sst_fill_header(&msg->header, IPC_IA_PREP_LIB_DNLD, 1, pvt_id); |
| 281 | msg->header.part.data = sizeof(u32) + sizeof(str_type); |
| 282 | str_type.codec_type = lib->dload_lib.lib_info.lib_type; |
| 283 | /*str_type.pvt_id = pvt_id;*/ |
| 284 | memcpy(msg->mailbox_data, &msg->header, sizeof(u32)); |
| 285 | memcpy(msg->mailbox_data + sizeof(u32), &str_type, sizeof(str_type)); |
| 286 | spin_lock(&sst_drv_ctx->list_spin_lock); |
| 287 | list_add_tail(&msg->node, &sst_drv_ctx->ipc_dispatch_list); |
| 288 | spin_unlock(&sst_drv_ctx->list_spin_lock); |
| 289 | sst_post_message(&sst_drv_ctx->ipc_post_msg_wq); |
| 290 | retval = sst_wait_timeout(sst_drv_ctx, &sst_drv_ctx->alloc_block[i]); |
| 291 | if (retval) { |
| 292 | /* error */ |
| 293 | sst_drv_ctx->alloc_block[i].sst_id = BLOCK_UNINIT; |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 294 | pr_err("Prep codec downloaded failed %d\n", |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 295 | retval); |
| 296 | return -EIO; |
| 297 | } |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 298 | pr_debug("FW responded, ready for download now...\n"); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 299 | /* downloading on success */ |
| 300 | mutex_lock(&sst_drv_ctx->sst_lock); |
| 301 | sst_drv_ctx->sst_state = SST_FW_LOADED; |
| 302 | mutex_unlock(&sst_drv_ctx->sst_lock); |
| 303 | csr.full = readl(sst_drv_ctx->shim + SST_CSR); |
| 304 | csr.part.run_stall = 1; |
| 305 | sst_shim_write(sst_drv_ctx->shim, SST_CSR, csr.full); |
| 306 | |
| 307 | csr.full = sst_shim_read(sst_drv_ctx->shim, SST_CSR); |
| 308 | csr.part.bypass = 0x7; |
| 309 | sst_shim_write(sst_drv_ctx->shim, SST_CSR, csr.full); |
| 310 | |
| 311 | sst_parse_fw_image(fw_lib); |
| 312 | |
| 313 | /* set the FW to running again */ |
| 314 | csr.full = sst_shim_read(sst_drv_ctx->shim, SST_CSR); |
| 315 | csr.part.bypass = 0x0; |
| 316 | sst_shim_write(sst_drv_ctx->shim, SST_CSR, csr.full); |
| 317 | |
| 318 | csr.full = sst_shim_read(sst_drv_ctx->shim, SST_CSR); |
| 319 | csr.part.run_stall = 0; |
| 320 | sst_shim_write(sst_drv_ctx->shim, SST_CSR, csr.full); |
| 321 | |
| 322 | /* send download complete and wait */ |
| 323 | if (sst_create_large_msg(&msg)) { |
| 324 | sst_drv_ctx->alloc_block[i].sst_id = BLOCK_UNINIT; |
| 325 | return -ENOMEM; |
| 326 | } |
| 327 | |
| 328 | sst_fill_header(&msg->header, IPC_IA_LIB_DNLD_CMPLT, 1, pvt_id); |
| 329 | sst_drv_ctx->alloc_block[i].sst_id = pvt_id; |
| 330 | msg->header.part.data = sizeof(u32) + sizeof(*lib); |
| 331 | lib->pvt_id = pvt_id; |
| 332 | memcpy(msg->mailbox_data, &msg->header, sizeof(u32)); |
| 333 | memcpy(msg->mailbox_data + sizeof(u32), lib, sizeof(*lib)); |
| 334 | spin_lock(&sst_drv_ctx->list_spin_lock); |
| 335 | list_add_tail(&msg->node, &sst_drv_ctx->ipc_dispatch_list); |
| 336 | spin_unlock(&sst_drv_ctx->list_spin_lock); |
| 337 | sst_post_message(&sst_drv_ctx->ipc_post_msg_wq); |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 338 | pr_debug("Waiting for FW response Download complete\n"); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 339 | sst_drv_ctx->alloc_block[i].ops_block.condition = false; |
| 340 | retval = sst_wait_timeout(sst_drv_ctx, &sst_drv_ctx->alloc_block[i]); |
| 341 | if (retval) { |
| 342 | /* error */ |
| 343 | mutex_lock(&sst_drv_ctx->sst_lock); |
| 344 | sst_drv_ctx->sst_state = SST_UN_INIT; |
| 345 | mutex_unlock(&sst_drv_ctx->sst_lock); |
| 346 | sst_drv_ctx->alloc_block[i].sst_id = BLOCK_UNINIT; |
| 347 | return -EIO; |
| 348 | } |
| 349 | |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 350 | pr_debug("FW success on Download complete\n"); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 351 | sst_drv_ctx->alloc_block[i].sst_id = BLOCK_UNINIT; |
| 352 | mutex_lock(&sst_drv_ctx->sst_lock); |
| 353 | sst_drv_ctx->sst_state = SST_FW_RUNNING; |
| 354 | mutex_unlock(&sst_drv_ctx->sst_lock); |
| 355 | return 0; |
| 356 | |
| 357 | } |
| 358 | |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 359 | /* This function is called before downloading the codec/postprocessing |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 360 | library is set for download to SST DSP*/ |
| 361 | static int sst_validate_library(const struct firmware *fw_lib, |
| 362 | struct lib_slot_info *slot, |
| 363 | u32 *entry_point) |
| 364 | { |
| 365 | struct fw_header *header; |
| 366 | struct fw_module_header *module; |
| 367 | struct dma_block_info *block; |
| 368 | unsigned int n_blk, isize = 0, dsize = 0; |
| 369 | int err = 0; |
| 370 | |
| 371 | header = (struct fw_header *)fw_lib->data; |
| 372 | if (header->modules != 1) { |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 373 | pr_err("Module no mismatch found\n"); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 374 | err = -EINVAL; |
| 375 | goto exit; |
| 376 | } |
| 377 | module = (void *)fw_lib->data + sizeof(*header); |
| 378 | *entry_point = module->entry_point; |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 379 | pr_debug("Module entry point 0x%x\n", *entry_point); |
| 380 | pr_debug("Module Sign %s, Size 0x%x, Blocks 0x%x Type 0x%x\n", |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 381 | module->signature, module->mod_size, |
| 382 | module->blocks, module->type); |
| 383 | |
| 384 | block = (void *)module + sizeof(*module); |
| 385 | for (n_blk = 0; n_blk < module->blocks; n_blk++) { |
| 386 | switch (block->type) { |
| 387 | case SST_IRAM: |
| 388 | isize += block->size; |
| 389 | break; |
| 390 | case SST_DRAM: |
| 391 | dsize += block->size; |
| 392 | break; |
| 393 | default: |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 394 | pr_err("Invalid block type for 0x%x\n", n_blk); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 395 | err = -EINVAL; |
| 396 | goto exit; |
| 397 | } |
| 398 | block = (void *)block + sizeof(*block) + block->size; |
| 399 | } |
| 400 | if (isize > slot->iram_size || dsize > slot->dram_size) { |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 401 | pr_err("library exceeds size allocated\n"); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 402 | err = -EINVAL; |
| 403 | goto exit; |
| 404 | } else |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 405 | pr_debug("Library is safe for download...\n"); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 406 | |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 407 | pr_debug("iram 0x%x, dram 0x%x, iram 0x%x, dram 0x%x\n", |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 408 | isize, dsize, slot->iram_size, slot->dram_size); |
| 409 | exit: |
| 410 | return err; |
| 411 | |
| 412 | } |
| 413 | |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 414 | /* This function is called when FW requests for a particular library download |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 415 | This function prepares the library to download*/ |
| 416 | int sst_load_library(struct snd_sst_lib_download *lib, u8 ops) |
| 417 | { |
| 418 | char buf[20]; |
| 419 | const char *type, *dir; |
| 420 | int len = 0, error = 0; |
| 421 | u32 entry_point; |
| 422 | const struct firmware *fw_lib; |
| 423 | struct snd_sst_lib_download_info dload_info = {{{0},},}; |
| 424 | |
| 425 | memset(buf, 0, sizeof(buf)); |
| 426 | |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 427 | pr_debug("Lib Type 0x%x, Slot 0x%x, ops 0x%x\n", |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 428 | lib->lib_info.lib_type, lib->slot_info.slot_num, ops); |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 429 | pr_debug("Version 0x%x, name %s, caps 0x%x media type 0x%x\n", |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 430 | lib->lib_info.lib_version, lib->lib_info.lib_name, |
| 431 | lib->lib_info.lib_caps, lib->lib_info.media_type); |
| 432 | |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 433 | pr_debug("IRAM Size 0x%x, offset 0x%x\n", |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 434 | lib->slot_info.iram_size, lib->slot_info.iram_offset); |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 435 | pr_debug("DRAM Size 0x%x, offset 0x%x\n", |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 436 | lib->slot_info.dram_size, lib->slot_info.dram_offset); |
| 437 | |
| 438 | switch (lib->lib_info.lib_type) { |
| 439 | case SST_CODEC_TYPE_MP3: |
| 440 | type = "mp3_"; |
| 441 | break; |
| 442 | case SST_CODEC_TYPE_AAC: |
| 443 | type = "aac_"; |
| 444 | break; |
| 445 | case SST_CODEC_TYPE_AACP: |
| 446 | type = "aac_v1_"; |
| 447 | break; |
| 448 | case SST_CODEC_TYPE_eAACP: |
| 449 | type = "aac_v2_"; |
| 450 | break; |
| 451 | case SST_CODEC_TYPE_WMA9: |
| 452 | type = "wma9_"; |
| 453 | break; |
| 454 | default: |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 455 | pr_err("Invalid codec type\n"); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 456 | error = -EINVAL; |
| 457 | goto wake; |
| 458 | } |
| 459 | |
| 460 | if (ops == STREAM_OPS_CAPTURE) |
| 461 | dir = "enc_"; |
| 462 | else |
| 463 | dir = "dec_"; |
| 464 | len = strlen(type) + strlen(dir); |
| 465 | strncpy(buf, type, sizeof(buf)-1); |
| 466 | strncpy(buf + strlen(type), dir, sizeof(buf)-strlen(type)-1); |
| 467 | len += snprintf(buf + len, sizeof(buf) - len, "%d", |
| 468 | lib->slot_info.slot_num); |
| 469 | len += snprintf(buf + len, sizeof(buf) - len, ".bin"); |
| 470 | |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 471 | pr_debug("Requesting %s\n", buf); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 472 | |
| 473 | error = request_firmware(&fw_lib, buf, &sst_drv_ctx->pci->dev); |
| 474 | if (error) { |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 475 | pr_err("library load failed %d\n", error); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 476 | goto wake; |
| 477 | } |
| 478 | error = sst_validate_library(fw_lib, &lib->slot_info, &entry_point); |
| 479 | if (error) |
| 480 | goto wake_free; |
| 481 | |
| 482 | lib->mod_entry_pt = entry_point; |
| 483 | memcpy(&dload_info.dload_lib, lib, sizeof(*lib)); |
| 484 | error = sst_download_library(fw_lib, &dload_info); |
| 485 | if (error) |
| 486 | goto wake_free; |
| 487 | |
| 488 | /* lib is downloaded and init send alloc again */ |
Joe Perches | d0f40c5 | 2010-10-20 18:51:06 -0700 | [diff] [blame] | 489 | pr_debug("Library is downloaded now...\n"); |
Vinod Koul | fffa1cc | 2010-10-05 16:25:17 +0100 | [diff] [blame] | 490 | wake_free: |
| 491 | /* sst_wake_up_alloc_block(sst_drv_ctx, pvt_id, error, NULL); */ |
| 492 | release_firmware(fw_lib); |
| 493 | wake: |
| 494 | return error; |
| 495 | } |
| 496 | |