Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -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 | */ |
| 13 | |
| 14 | #include <asm/dma-iommu.h> |
| 15 | #include <asm/memory.h> |
| 16 | #include <linux/clk/qcom.h> |
| 17 | #include <linux/coresight-stm.h> |
| 18 | #include <linux/delay.h> |
| 19 | #include <linux/devfreq.h> |
| 20 | #include <linux/hash.h> |
| 21 | #include <linux/interrupt.h> |
| 22 | #include <linux/io.h> |
| 23 | #include <linux/iommu.h> |
| 24 | #include <linux/iopoll.h> |
| 25 | #include <linux/of.h> |
| 26 | #include <linux/pm_qos.h> |
| 27 | #include <linux/regulator/consumer.h> |
| 28 | #include <linux/slab.h> |
| 29 | #include <linux/workqueue.h> |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 30 | #include <linux/platform_device.h> |
| 31 | #include <linux/soc/qcom/llcc-qcom.h> |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 32 | #include <soc/qcom/scm.h> |
| 33 | #include <soc/qcom/smem.h> |
| 34 | #include <soc/qcom/subsystem_restart.h> |
| 35 | #include "hfi_packetization.h" |
| 36 | #include "msm_vidc_debug.h" |
| 37 | #include "venus_hfi.h" |
| 38 | #include "vidc_hfi_io.h" |
| 39 | |
| 40 | #define FIRMWARE_SIZE 0X00A00000 |
| 41 | #define REG_ADDR_OFFSET_BITMASK 0x000FFFFF |
| 42 | #define QDSS_IOVA_START 0x80001000 |
| 43 | |
| 44 | static struct hal_device_data hal_ctxt; |
| 45 | |
| 46 | #define TZBSP_MEM_PROTECT_VIDEO_VAR 0x8 |
| 47 | struct tzbsp_memprot { |
| 48 | u32 cp_start; |
| 49 | u32 cp_size; |
| 50 | u32 cp_nonpixel_start; |
| 51 | u32 cp_nonpixel_size; |
| 52 | }; |
| 53 | |
| 54 | struct tzbsp_resp { |
| 55 | int ret; |
| 56 | }; |
| 57 | |
| 58 | #define TZBSP_VIDEO_SET_STATE 0xa |
| 59 | |
| 60 | /* Poll interval in uS */ |
| 61 | #define POLL_INTERVAL_US 50 |
| 62 | |
| 63 | enum tzbsp_video_state { |
| 64 | TZBSP_VIDEO_STATE_SUSPEND = 0, |
| 65 | TZBSP_VIDEO_STATE_RESUME = 1, |
| 66 | TZBSP_VIDEO_STATE_RESTORE_THRESHOLD = 2, |
| 67 | }; |
| 68 | |
| 69 | struct tzbsp_video_set_state_req { |
| 70 | u32 state; /* should be tzbsp_video_state enum value */ |
| 71 | u32 spare; /* reserved for future, should be zero */ |
| 72 | }; |
| 73 | |
| 74 | const struct msm_vidc_gov_data DEFAULT_BUS_VOTE = { |
| 75 | .data = NULL, |
| 76 | .data_count = 0, |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 77 | }; |
| 78 | |
| 79 | const int max_packets = 1000; |
| 80 | |
| 81 | static void venus_hfi_pm_handler(struct work_struct *work); |
| 82 | static DECLARE_DELAYED_WORK(venus_hfi_pm_work, venus_hfi_pm_handler); |
| 83 | static inline int __resume(struct venus_hfi_device *device); |
| 84 | static inline int __suspend(struct venus_hfi_device *device); |
| 85 | static int __disable_regulators(struct venus_hfi_device *device); |
| 86 | static int __enable_regulators(struct venus_hfi_device *device); |
| 87 | static inline int __prepare_enable_clks(struct venus_hfi_device *device); |
| 88 | static inline void __disable_unprepare_clks(struct venus_hfi_device *device); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 89 | static void __flush_debug_queue(struct venus_hfi_device *device, u8 *packet); |
| 90 | static int __initialize_packetization(struct venus_hfi_device *device); |
| 91 | static struct hal_session *__get_session(struct venus_hfi_device *device, |
| 92 | u32 session_id); |
Praneeth Paladugu | b71968b | 2015-08-19 20:47:57 -0700 | [diff] [blame] | 93 | static int __set_clocks(struct venus_hfi_device *device, u32 freq); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 94 | static int __iface_cmdq_write(struct venus_hfi_device *device, |
| 95 | void *pkt); |
| 96 | static int __load_fw(struct venus_hfi_device *device); |
| 97 | static void __unload_fw(struct venus_hfi_device *device); |
| 98 | static int __tzbsp_set_video_state(enum tzbsp_video_state state); |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 99 | static int __enable_subcaches(struct venus_hfi_device *device); |
| 100 | static int __disable_subcaches(struct venus_hfi_device *device); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 101 | |
| 102 | |
| 103 | /** |
| 104 | * Utility function to enforce some of our assumptions. Spam calls to this |
| 105 | * in hotspots in code to double check some of the assumptions that we hold. |
| 106 | */ |
| 107 | static inline void __strict_check(struct venus_hfi_device *device) |
| 108 | { |
| 109 | WARN_ON(!mutex_is_locked(&device->lock)); |
| 110 | } |
| 111 | |
| 112 | static inline void __set_state(struct venus_hfi_device *device, |
| 113 | enum venus_hfi_state state) |
| 114 | { |
| 115 | device->state = state; |
| 116 | } |
| 117 | |
| 118 | static inline bool __core_in_valid_state(struct venus_hfi_device *device) |
| 119 | { |
| 120 | return device->state != VENUS_STATE_DEINIT; |
| 121 | } |
| 122 | |
| 123 | static void __dump_packet(u8 *packet, enum vidc_msg_prio log_level) |
| 124 | { |
| 125 | u32 c = 0, packet_size = *(u32 *)packet; |
| 126 | const int row_size = 32; |
| 127 | /* |
| 128 | * row must contain enough for 0xdeadbaad * 8 to be converted into |
| 129 | * "de ad ba ab " * 8 + '\0' |
| 130 | */ |
| 131 | char row[3 * row_size]; |
| 132 | |
| 133 | for (c = 0; c * row_size < packet_size; ++c) { |
| 134 | int bytes_to_read = ((c + 1) * row_size > packet_size) ? |
| 135 | packet_size % row_size : row_size; |
| 136 | hex_dump_to_buffer(packet + c * row_size, bytes_to_read, |
| 137 | row_size, 4, row, sizeof(row), false); |
| 138 | dprintk(log_level, "%s\n", row); |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | static void __sim_modify_cmd_packet(u8 *packet, struct venus_hfi_device *device) |
| 143 | { |
| 144 | struct hfi_cmd_sys_session_init_packet *sys_init; |
| 145 | struct hal_session *session = NULL; |
| 146 | u8 i; |
| 147 | phys_addr_t fw_bias = 0; |
| 148 | |
| 149 | if (!device || !packet) { |
| 150 | dprintk(VIDC_ERR, "Invalid Param\n"); |
| 151 | return; |
| 152 | } else if (!device->hal_data->firmware_base |
| 153 | || is_iommu_present(device->res)) { |
| 154 | return; |
| 155 | } |
| 156 | |
| 157 | fw_bias = device->hal_data->firmware_base; |
| 158 | sys_init = (struct hfi_cmd_sys_session_init_packet *)packet; |
| 159 | |
| 160 | session = __get_session(device, sys_init->session_id); |
| 161 | if (!session) { |
| 162 | dprintk(VIDC_DBG, "%s :Invalid session id: %x\n", |
| 163 | __func__, sys_init->session_id); |
| 164 | return; |
| 165 | } |
| 166 | |
| 167 | switch (sys_init->packet_type) { |
| 168 | case HFI_CMD_SESSION_EMPTY_BUFFER: |
| 169 | if (session->is_decoder) { |
| 170 | struct hfi_cmd_session_empty_buffer_compressed_packet |
| 171 | *pkt = (struct |
| 172 | hfi_cmd_session_empty_buffer_compressed_packet |
| 173 | *) packet; |
| 174 | pkt->packet_buffer -= fw_bias; |
| 175 | } else { |
| 176 | struct |
| 177 | hfi_cmd_session_empty_buffer_uncompressed_plane0_packet |
| 178 | *pkt = (struct |
| 179 | hfi_cmd_session_empty_buffer_uncompressed_plane0_packet |
| 180 | *) packet; |
| 181 | pkt->packet_buffer -= fw_bias; |
| 182 | } |
| 183 | break; |
| 184 | case HFI_CMD_SESSION_FILL_BUFFER: |
| 185 | { |
| 186 | struct hfi_cmd_session_fill_buffer_packet *pkt = |
| 187 | (struct hfi_cmd_session_fill_buffer_packet *)packet; |
| 188 | pkt->packet_buffer -= fw_bias; |
| 189 | break; |
| 190 | } |
| 191 | case HFI_CMD_SESSION_SET_BUFFERS: |
| 192 | { |
| 193 | struct hfi_cmd_session_set_buffers_packet *pkt = |
| 194 | (struct hfi_cmd_session_set_buffers_packet *)packet; |
| 195 | if (pkt->buffer_type == HFI_BUFFER_OUTPUT || |
| 196 | pkt->buffer_type == HFI_BUFFER_OUTPUT2) { |
| 197 | struct hfi_buffer_info *buff; |
| 198 | |
| 199 | buff = (struct hfi_buffer_info *) pkt->rg_buffer_info; |
| 200 | buff->buffer_addr -= fw_bias; |
| 201 | if (buff->extra_data_addr >= fw_bias) |
| 202 | buff->extra_data_addr -= fw_bias; |
| 203 | } else { |
| 204 | for (i = 0; i < pkt->num_buffers; i++) |
| 205 | pkt->rg_buffer_info[i] -= fw_bias; |
| 206 | } |
| 207 | break; |
| 208 | } |
| 209 | case HFI_CMD_SESSION_RELEASE_BUFFERS: |
| 210 | { |
| 211 | struct hfi_cmd_session_release_buffer_packet *pkt = |
| 212 | (struct hfi_cmd_session_release_buffer_packet *)packet; |
| 213 | |
| 214 | if (pkt->buffer_type == HFI_BUFFER_OUTPUT || |
| 215 | pkt->buffer_type == HFI_BUFFER_OUTPUT2) { |
| 216 | struct hfi_buffer_info *buff; |
| 217 | |
| 218 | buff = (struct hfi_buffer_info *) pkt->rg_buffer_info; |
| 219 | buff->buffer_addr -= fw_bias; |
| 220 | buff->extra_data_addr -= fw_bias; |
| 221 | } else { |
| 222 | for (i = 0; i < pkt->num_buffers; i++) |
| 223 | pkt->rg_buffer_info[i] -= fw_bias; |
| 224 | } |
| 225 | break; |
| 226 | } |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 227 | default: |
| 228 | break; |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | static int __acquire_regulator(struct regulator_info *rinfo) |
| 233 | { |
| 234 | int rc = 0; |
| 235 | |
| 236 | if (rinfo->has_hw_power_collapse) { |
| 237 | rc = regulator_set_mode(rinfo->regulator, |
| 238 | REGULATOR_MODE_NORMAL); |
| 239 | if (rc) { |
| 240 | /* |
| 241 | * This is somewhat fatal, but nothing we can do |
| 242 | * about it. We can't disable the regulator w/o |
| 243 | * getting it back under s/w control |
| 244 | */ |
| 245 | dprintk(VIDC_WARN, |
| 246 | "Failed to acquire regulator control: %s\n", |
| 247 | rinfo->name); |
| 248 | } else { |
| 249 | |
| 250 | dprintk(VIDC_DBG, |
| 251 | "Acquire regulator control from HW: %s\n", |
| 252 | rinfo->name); |
| 253 | |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | if (!regulator_is_enabled(rinfo->regulator)) { |
| 258 | dprintk(VIDC_WARN, "Regulator is not enabled %s\n", |
| 259 | rinfo->name); |
| 260 | WARN_ON(1); |
| 261 | } |
| 262 | |
| 263 | return rc; |
| 264 | } |
| 265 | |
| 266 | static int __hand_off_regulator(struct regulator_info *rinfo) |
| 267 | { |
| 268 | int rc = 0; |
| 269 | |
| 270 | if (rinfo->has_hw_power_collapse) { |
| 271 | rc = regulator_set_mode(rinfo->regulator, |
| 272 | REGULATOR_MODE_FAST); |
| 273 | if (rc) { |
| 274 | dprintk(VIDC_WARN, |
| 275 | "Failed to hand off regulator control: %s\n", |
| 276 | rinfo->name); |
| 277 | } else { |
| 278 | dprintk(VIDC_DBG, |
| 279 | "Hand off regulator control to HW: %s\n", |
| 280 | rinfo->name); |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | return rc; |
| 285 | } |
| 286 | |
| 287 | static int __hand_off_regulators(struct venus_hfi_device *device) |
| 288 | { |
| 289 | struct regulator_info *rinfo; |
| 290 | int rc = 0, c = 0; |
| 291 | |
| 292 | venus_hfi_for_each_regulator(device, rinfo) { |
| 293 | rc = __hand_off_regulator(rinfo); |
| 294 | /* |
| 295 | * If one regulator hand off failed, driver should take |
| 296 | * the control for other regulators back. |
| 297 | */ |
| 298 | if (rc) |
| 299 | goto err_reg_handoff_failed; |
| 300 | c++; |
| 301 | } |
| 302 | |
| 303 | return rc; |
| 304 | err_reg_handoff_failed: |
| 305 | venus_hfi_for_each_regulator_reverse_continue(device, rinfo, c) |
| 306 | __acquire_regulator(rinfo); |
| 307 | |
| 308 | return rc; |
| 309 | } |
| 310 | |
| 311 | static int __write_queue(struct vidc_iface_q_info *qinfo, u8 *packet, |
| 312 | bool *rx_req_is_set) |
| 313 | { |
| 314 | struct hfi_queue_header *queue; |
| 315 | u32 packet_size_in_words, new_write_idx; |
| 316 | u32 empty_space, read_idx; |
| 317 | u32 *write_ptr; |
| 318 | |
| 319 | if (!qinfo || !packet) { |
| 320 | dprintk(VIDC_ERR, "Invalid Params\n"); |
| 321 | return -EINVAL; |
| 322 | } else if (!qinfo->q_array.align_virtual_addr) { |
| 323 | dprintk(VIDC_WARN, "Queues have already been freed\n"); |
| 324 | return -EINVAL; |
| 325 | } |
| 326 | |
| 327 | queue = (struct hfi_queue_header *) qinfo->q_hdr; |
| 328 | if (!queue) { |
| 329 | dprintk(VIDC_ERR, "queue not present\n"); |
| 330 | return -ENOENT; |
| 331 | } |
| 332 | |
| 333 | if (msm_vidc_debug & VIDC_PKT) { |
| 334 | dprintk(VIDC_PKT, "%s: %pK\n", __func__, qinfo); |
| 335 | __dump_packet(packet, VIDC_PKT); |
| 336 | } |
| 337 | |
| 338 | packet_size_in_words = (*(u32 *)packet) >> 2; |
| 339 | if (!packet_size_in_words) { |
| 340 | dprintk(VIDC_ERR, "Zero packet size\n"); |
| 341 | return -ENODATA; |
| 342 | } |
| 343 | |
| 344 | read_idx = queue->qhdr_read_idx; |
| 345 | |
| 346 | empty_space = (queue->qhdr_write_idx >= read_idx) ? |
| 347 | (queue->qhdr_q_size - (queue->qhdr_write_idx - read_idx)) : |
| 348 | (read_idx - queue->qhdr_write_idx); |
| 349 | if (empty_space <= packet_size_in_words) { |
| 350 | queue->qhdr_tx_req = 1; |
| 351 | dprintk(VIDC_ERR, "Insufficient size (%d) to write (%d)\n", |
| 352 | empty_space, packet_size_in_words); |
| 353 | return -ENOTEMPTY; |
| 354 | } |
| 355 | |
| 356 | queue->qhdr_tx_req = 0; |
| 357 | |
| 358 | new_write_idx = (queue->qhdr_write_idx + packet_size_in_words); |
| 359 | write_ptr = (u32 *)((qinfo->q_array.align_virtual_addr) + |
| 360 | (queue->qhdr_write_idx << 2)); |
| 361 | if (new_write_idx < queue->qhdr_q_size) { |
| 362 | memcpy(write_ptr, packet, packet_size_in_words << 2); |
| 363 | } else { |
| 364 | new_write_idx -= queue->qhdr_q_size; |
| 365 | memcpy(write_ptr, packet, (packet_size_in_words - |
| 366 | new_write_idx) << 2); |
| 367 | memcpy((void *)qinfo->q_array.align_virtual_addr, |
| 368 | packet + ((packet_size_in_words - new_write_idx) << 2), |
| 369 | new_write_idx << 2); |
| 370 | } |
| 371 | |
| 372 | /* |
| 373 | * Memory barrier to make sure packet is written before updating the |
| 374 | * write index |
| 375 | */ |
| 376 | mb(); |
| 377 | queue->qhdr_write_idx = new_write_idx; |
| 378 | if (rx_req_is_set) |
| 379 | *rx_req_is_set = queue->qhdr_rx_req == 1; |
| 380 | /* |
| 381 | * Memory barrier to make sure write index is updated before an |
| 382 | * interrupt is raised on venus. |
| 383 | */ |
| 384 | mb(); |
| 385 | return 0; |
| 386 | } |
| 387 | |
| 388 | static void __hal_sim_modify_msg_packet(u8 *packet, |
| 389 | struct venus_hfi_device *device) |
| 390 | { |
| 391 | struct hfi_msg_sys_session_init_done_packet *sys_idle; |
| 392 | struct hal_session *session = NULL; |
| 393 | phys_addr_t fw_bias = 0; |
| 394 | |
| 395 | if (!device || !packet) { |
| 396 | dprintk(VIDC_ERR, "Invalid Param\n"); |
| 397 | return; |
| 398 | } else if (!device->hal_data->firmware_base |
| 399 | || is_iommu_present(device->res)) { |
| 400 | return; |
| 401 | } |
| 402 | |
| 403 | fw_bias = device->hal_data->firmware_base; |
| 404 | sys_idle = (struct hfi_msg_sys_session_init_done_packet *)packet; |
| 405 | session = __get_session(device, sys_idle->session_id); |
| 406 | |
| 407 | if (!session) { |
| 408 | dprintk(VIDC_DBG, "%s: Invalid session id: %x\n", |
| 409 | __func__, sys_idle->session_id); |
| 410 | return; |
| 411 | } |
| 412 | |
| 413 | switch (sys_idle->packet_type) { |
| 414 | case HFI_MSG_SESSION_FILL_BUFFER_DONE: |
| 415 | if (session->is_decoder) { |
| 416 | struct |
| 417 | hfi_msg_session_fbd_uncompressed_plane0_packet |
| 418 | *pkt_uc = (struct |
| 419 | hfi_msg_session_fbd_uncompressed_plane0_packet |
| 420 | *) packet; |
| 421 | pkt_uc->packet_buffer += fw_bias; |
| 422 | } else { |
| 423 | struct |
| 424 | hfi_msg_session_fill_buffer_done_compressed_packet |
| 425 | *pkt = (struct |
| 426 | hfi_msg_session_fill_buffer_done_compressed_packet |
| 427 | *) packet; |
| 428 | pkt->packet_buffer += fw_bias; |
| 429 | } |
| 430 | break; |
| 431 | case HFI_MSG_SESSION_EMPTY_BUFFER_DONE: |
| 432 | { |
| 433 | struct hfi_msg_session_empty_buffer_done_packet *pkt = |
| 434 | (struct hfi_msg_session_empty_buffer_done_packet *)packet; |
| 435 | pkt->packet_buffer += fw_bias; |
| 436 | break; |
| 437 | } |
| 438 | case HFI_MSG_SESSION_GET_SEQUENCE_HEADER_DONE: |
| 439 | { |
| 440 | struct |
| 441 | hfi_msg_session_get_sequence_header_done_packet |
| 442 | *pkt = |
| 443 | (struct hfi_msg_session_get_sequence_header_done_packet *) |
| 444 | packet; |
| 445 | pkt->sequence_header += fw_bias; |
| 446 | break; |
| 447 | } |
| 448 | default: |
| 449 | break; |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | static int __read_queue(struct vidc_iface_q_info *qinfo, u8 *packet, |
| 454 | u32 *pb_tx_req_is_set) |
| 455 | { |
| 456 | struct hfi_queue_header *queue; |
| 457 | u32 packet_size_in_words, new_read_idx; |
| 458 | u32 *read_ptr; |
| 459 | u32 receive_request = 0; |
| 460 | int rc = 0; |
| 461 | |
| 462 | if (!qinfo || !packet || !pb_tx_req_is_set) { |
| 463 | dprintk(VIDC_ERR, "Invalid Params\n"); |
| 464 | return -EINVAL; |
| 465 | } else if (!qinfo->q_array.align_virtual_addr) { |
| 466 | dprintk(VIDC_WARN, "Queues have already been freed\n"); |
| 467 | return -EINVAL; |
| 468 | } |
| 469 | |
| 470 | /* |
| 471 | * Memory barrier to make sure data is valid before |
| 472 | *reading it |
| 473 | */ |
| 474 | mb(); |
| 475 | queue = (struct hfi_queue_header *) qinfo->q_hdr; |
| 476 | |
| 477 | if (!queue) { |
| 478 | dprintk(VIDC_ERR, "Queue memory is not allocated\n"); |
| 479 | return -ENOMEM; |
| 480 | } |
| 481 | |
| 482 | /* |
| 483 | * Do not set receive request for debug queue, if set, |
| 484 | * Venus generates interrupt for debug messages even |
| 485 | * when there is no response message available. |
| 486 | * In general debug queue will not become full as it |
| 487 | * is being emptied out for every interrupt from Venus. |
| 488 | * Venus will anyway generates interrupt if it is full. |
| 489 | */ |
| 490 | if (queue->qhdr_type & HFI_Q_ID_CTRL_TO_HOST_MSG_Q) |
| 491 | receive_request = 1; |
| 492 | |
| 493 | if (queue->qhdr_read_idx == queue->qhdr_write_idx) { |
| 494 | queue->qhdr_rx_req = receive_request; |
| 495 | *pb_tx_req_is_set = 0; |
| 496 | dprintk(VIDC_DBG, |
| 497 | "%s queue is empty, rx_req = %u, tx_req = %u, read_idx = %u\n", |
| 498 | receive_request ? "message" : "debug", |
| 499 | queue->qhdr_rx_req, queue->qhdr_tx_req, |
| 500 | queue->qhdr_read_idx); |
| 501 | return -ENODATA; |
| 502 | } |
| 503 | |
| 504 | read_ptr = (u32 *)((qinfo->q_array.align_virtual_addr) + |
| 505 | (queue->qhdr_read_idx << 2)); |
| 506 | packet_size_in_words = (*read_ptr) >> 2; |
| 507 | if (!packet_size_in_words) { |
| 508 | dprintk(VIDC_ERR, "Zero packet size\n"); |
| 509 | return -ENODATA; |
| 510 | } |
| 511 | |
| 512 | new_read_idx = queue->qhdr_read_idx + packet_size_in_words; |
| 513 | if (((packet_size_in_words << 2) <= VIDC_IFACEQ_VAR_HUGE_PKT_SIZE) |
| 514 | && queue->qhdr_read_idx <= queue->qhdr_q_size) { |
| 515 | if (new_read_idx < queue->qhdr_q_size) { |
| 516 | memcpy(packet, read_ptr, |
| 517 | packet_size_in_words << 2); |
| 518 | } else { |
| 519 | new_read_idx -= queue->qhdr_q_size; |
| 520 | memcpy(packet, read_ptr, |
| 521 | (packet_size_in_words - new_read_idx) << 2); |
| 522 | memcpy(packet + ((packet_size_in_words - |
| 523 | new_read_idx) << 2), |
| 524 | (u8 *)qinfo->q_array.align_virtual_addr, |
| 525 | new_read_idx << 2); |
| 526 | } |
| 527 | } else { |
| 528 | dprintk(VIDC_WARN, |
| 529 | "BAD packet received, read_idx: %#x, pkt_size: %d\n", |
| 530 | queue->qhdr_read_idx, packet_size_in_words << 2); |
| 531 | dprintk(VIDC_WARN, "Dropping this packet\n"); |
| 532 | new_read_idx = queue->qhdr_write_idx; |
| 533 | rc = -ENODATA; |
| 534 | } |
| 535 | |
| 536 | queue->qhdr_read_idx = new_read_idx; |
| 537 | |
| 538 | if (queue->qhdr_read_idx != queue->qhdr_write_idx) |
| 539 | queue->qhdr_rx_req = 0; |
| 540 | else |
| 541 | queue->qhdr_rx_req = receive_request; |
| 542 | |
| 543 | *pb_tx_req_is_set = (queue->qhdr_tx_req == 1) ? 1 : 0; |
| 544 | |
Maheshwar Ajja | 6a99057 | 2017-03-31 15:31:57 -0700 | [diff] [blame] | 545 | if ((msm_vidc_debug & VIDC_PKT) && |
| 546 | !(queue->qhdr_type & HFI_Q_ID_CTRL_TO_HOST_DEBUG_Q)) { |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 547 | dprintk(VIDC_PKT, "%s: %pK\n", __func__, qinfo); |
| 548 | __dump_packet(packet, VIDC_PKT); |
| 549 | } |
| 550 | |
| 551 | return rc; |
| 552 | } |
| 553 | |
| 554 | static int __smem_alloc(struct venus_hfi_device *dev, |
| 555 | struct vidc_mem_addr *mem, u32 size, u32 align, |
| 556 | u32 flags, u32 usage) |
| 557 | { |
| 558 | struct msm_smem *alloc = NULL; |
| 559 | int rc = 0; |
| 560 | |
| 561 | if (!dev || !dev->hal_client || !mem || !size) { |
| 562 | dprintk(VIDC_ERR, "Invalid Params\n"); |
| 563 | return -EINVAL; |
| 564 | } |
| 565 | |
| 566 | dprintk(VIDC_INFO, "start to alloc size: %d, flags: %d\n", size, flags); |
| 567 | alloc = msm_smem_alloc(dev->hal_client, size, align, flags, usage, 1); |
| 568 | if (!alloc) { |
| 569 | dprintk(VIDC_ERR, "Alloc failed\n"); |
| 570 | rc = -ENOMEM; |
| 571 | goto fail_smem_alloc; |
| 572 | } |
| 573 | |
| 574 | dprintk(VIDC_DBG, "__smem_alloc: ptr = %pK, size = %d\n", |
| 575 | alloc->kvaddr, size); |
| 576 | rc = msm_smem_cache_operations(dev->hal_client, alloc, |
| 577 | SMEM_CACHE_CLEAN); |
| 578 | if (rc) { |
| 579 | dprintk(VIDC_WARN, "Failed to clean cache\n"); |
| 580 | dprintk(VIDC_WARN, "This may result in undefined behavior\n"); |
| 581 | } |
| 582 | |
| 583 | mem->mem_size = alloc->size; |
| 584 | mem->mem_data = alloc; |
| 585 | mem->align_virtual_addr = alloc->kvaddr; |
| 586 | mem->align_device_addr = alloc->device_addr; |
| 587 | return rc; |
| 588 | fail_smem_alloc: |
| 589 | return rc; |
| 590 | } |
| 591 | |
| 592 | static void __smem_free(struct venus_hfi_device *dev, struct msm_smem *mem) |
| 593 | { |
| 594 | if (!dev || !mem) { |
| 595 | dprintk(VIDC_ERR, "invalid param %pK %pK\n", dev, mem); |
| 596 | return; |
| 597 | } |
| 598 | |
| 599 | msm_smem_free(dev->hal_client, mem); |
| 600 | } |
| 601 | |
| 602 | static void __write_register(struct venus_hfi_device *device, |
| 603 | u32 reg, u32 value) |
| 604 | { |
| 605 | u32 hwiosymaddr = reg; |
| 606 | u8 *base_addr; |
| 607 | |
| 608 | if (!device) { |
| 609 | dprintk(VIDC_ERR, "Invalid params: %pK\n", device); |
| 610 | return; |
| 611 | } |
| 612 | |
| 613 | __strict_check(device); |
| 614 | |
| 615 | if (!device->power_enabled) { |
| 616 | dprintk(VIDC_WARN, |
| 617 | "HFI Write register failed : Power is OFF\n"); |
| 618 | WARN_ON(1); |
| 619 | return; |
| 620 | } |
| 621 | |
| 622 | base_addr = device->hal_data->register_base; |
| 623 | dprintk(VIDC_DBG, "Base addr: %pK, written to: %#x, Value: %#x...\n", |
| 624 | base_addr, hwiosymaddr, value); |
| 625 | base_addr += hwiosymaddr; |
| 626 | writel_relaxed(value, base_addr); |
| 627 | |
| 628 | /* |
| 629 | * Memory barrier to make sure value is written into the register. |
| 630 | */ |
| 631 | wmb(); |
| 632 | } |
| 633 | |
| 634 | static int __read_register(struct venus_hfi_device *device, u32 reg) |
| 635 | { |
| 636 | int rc = 0; |
| 637 | u8 *base_addr; |
| 638 | |
| 639 | if (!device) { |
| 640 | dprintk(VIDC_ERR, "Invalid params: %pK\n", device); |
| 641 | return -EINVAL; |
| 642 | } |
| 643 | |
| 644 | __strict_check(device); |
| 645 | |
| 646 | if (!device->power_enabled) { |
| 647 | dprintk(VIDC_WARN, |
| 648 | "HFI Read register failed : Power is OFF\n"); |
| 649 | WARN_ON(1); |
| 650 | return -EINVAL; |
| 651 | } |
| 652 | |
| 653 | base_addr = device->hal_data->register_base; |
| 654 | |
| 655 | rc = readl_relaxed(base_addr + reg); |
| 656 | /* |
| 657 | * Memory barrier to make sure value is read correctly from the |
| 658 | * register. |
| 659 | */ |
| 660 | rmb(); |
| 661 | dprintk(VIDC_DBG, "Base addr: %pK, read from: %#x, value: %#x...\n", |
| 662 | base_addr, reg, rc); |
| 663 | |
| 664 | return rc; |
| 665 | } |
| 666 | |
| 667 | static void __set_registers(struct venus_hfi_device *device) |
| 668 | { |
| 669 | struct reg_set *reg_set; |
| 670 | int i; |
| 671 | |
| 672 | if (!device->res) { |
| 673 | dprintk(VIDC_ERR, |
| 674 | "device resources null, cannot set registers\n"); |
| 675 | return; |
| 676 | } |
| 677 | |
| 678 | reg_set = &device->res->reg_set; |
| 679 | for (i = 0; i < reg_set->count; i++) { |
| 680 | __write_register(device, reg_set->reg_tbl[i].reg, |
| 681 | reg_set->reg_tbl[i].value); |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | /* |
| 686 | * The existence of this function is a hack for 8996 (or certain Venus versions) |
| 687 | * to overcome a hardware bug. Whenever the GDSCs momentarily power collapse |
| 688 | * (after calling __hand_off_regulators()), the values of the threshold |
| 689 | * registers (typically programmed by TZ) are incorrectly reset. As a result |
| 690 | * reprogram these registers at certain agreed upon points. |
| 691 | */ |
| 692 | static void __set_threshold_registers(struct venus_hfi_device *device) |
| 693 | { |
| 694 | u32 version = __read_register(device, VIDC_WRAPPER_HW_VERSION); |
| 695 | |
| 696 | version &= ~GENMASK(15, 0); |
| 697 | if (version != (0x3 << 28 | 0x43 << 16)) |
| 698 | return; |
| 699 | |
| 700 | if (__tzbsp_set_video_state(TZBSP_VIDEO_STATE_RESTORE_THRESHOLD)) |
| 701 | dprintk(VIDC_ERR, "Failed to restore threshold values\n"); |
| 702 | } |
| 703 | |
| 704 | static void __iommu_detach(struct venus_hfi_device *device) |
| 705 | { |
| 706 | struct context_bank_info *cb; |
| 707 | |
| 708 | if (!device || !device->res) { |
| 709 | dprintk(VIDC_ERR, "Invalid parameter: %pK\n", device); |
| 710 | return; |
| 711 | } |
| 712 | |
| 713 | list_for_each_entry(cb, &device->res->context_banks, list) { |
| 714 | if (cb->dev) |
| 715 | arm_iommu_detach_device(cb->dev); |
| 716 | if (cb->mapping) |
| 717 | arm_iommu_release_mapping(cb->mapping); |
| 718 | } |
| 719 | } |
| 720 | |
| 721 | static bool __is_session_supported(unsigned long sessions_supported, |
| 722 | enum vidc_vote_data_session session_type) |
| 723 | { |
| 724 | bool same_codec, same_session_type; |
| 725 | int codec_bit, session_type_bit; |
| 726 | unsigned long session = session_type; |
| 727 | |
| 728 | if (!sessions_supported || !session) |
| 729 | return false; |
| 730 | |
| 731 | /* ffs returns a 1 indexed, test_bit takes a 0 indexed...index */ |
| 732 | codec_bit = ffs(session) - 1; |
| 733 | session_type_bit = codec_bit + 1; |
| 734 | |
| 735 | same_codec = test_bit(codec_bit, &sessions_supported) == |
| 736 | test_bit(codec_bit, &session); |
| 737 | same_session_type = test_bit(session_type_bit, &sessions_supported) == |
| 738 | test_bit(session_type_bit, &session); |
| 739 | |
| 740 | return same_codec && same_session_type; |
| 741 | } |
| 742 | |
| 743 | bool venus_hfi_is_session_supported(unsigned long sessions_supported, |
| 744 | enum vidc_vote_data_session session_type) |
| 745 | { |
| 746 | return __is_session_supported(sessions_supported, session_type); |
| 747 | } |
| 748 | EXPORT_SYMBOL(venus_hfi_is_session_supported); |
| 749 | |
| 750 | static int __devfreq_target(struct device *devfreq_dev, |
| 751 | unsigned long *freq, u32 flags) |
| 752 | { |
| 753 | int rc = 0; |
| 754 | uint64_t ab = 0; |
| 755 | struct bus_info *bus = NULL, *temp = NULL; |
| 756 | struct venus_hfi_device *device = dev_get_drvdata(devfreq_dev); |
| 757 | |
| 758 | venus_hfi_for_each_bus(device, temp) { |
| 759 | if (temp->dev == devfreq_dev) { |
| 760 | bus = temp; |
| 761 | break; |
| 762 | } |
| 763 | } |
| 764 | |
| 765 | if (!bus) { |
| 766 | rc = -EBADHANDLE; |
| 767 | goto err_unknown_device; |
| 768 | } |
| 769 | |
| 770 | /* |
| 771 | * Clamp for all non zero frequencies. This clamp is necessary to stop |
| 772 | * devfreq driver from spamming - Couldn't update frequency - logs, if |
| 773 | * the scaled ab value is not part of the frequency table. |
| 774 | */ |
| 775 | if (*freq) |
| 776 | *freq = clamp_t(typeof(*freq), *freq, bus->range[0], |
| 777 | bus->range[1]); |
| 778 | |
| 779 | /* we expect governors to provide values in kBps form, convert to Bps */ |
| 780 | ab = *freq * 1000; |
| 781 | rc = msm_bus_scale_update_bw(bus->client, ab, 0); |
| 782 | if (rc) { |
| 783 | dprintk(VIDC_ERR, "Failed voting bus %s to ab %llu\n: %d", |
| 784 | bus->name, ab, rc); |
| 785 | goto err_unknown_device; |
| 786 | } |
| 787 | |
| 788 | dprintk(VIDC_PROF, "Voting bus %s to ab %llu\n", bus->name, ab); |
| 789 | |
| 790 | return 0; |
| 791 | err_unknown_device: |
| 792 | return rc; |
| 793 | } |
| 794 | |
| 795 | static int __devfreq_get_status(struct device *devfreq_dev, |
| 796 | struct devfreq_dev_status *stat) |
| 797 | { |
| 798 | int rc = 0; |
| 799 | struct bus_info *bus = NULL, *temp = NULL; |
| 800 | struct venus_hfi_device *device = dev_get_drvdata(devfreq_dev); |
| 801 | |
| 802 | venus_hfi_for_each_bus(device, temp) { |
| 803 | if (temp->dev == devfreq_dev) { |
| 804 | bus = temp; |
| 805 | break; |
| 806 | } |
| 807 | } |
| 808 | |
| 809 | if (!bus) { |
| 810 | rc = -EBADHANDLE; |
| 811 | goto err_unknown_device; |
| 812 | } |
| 813 | |
| 814 | *stat = (struct devfreq_dev_status) { |
| 815 | .private_data = &device->bus_vote, |
| 816 | /* |
| 817 | * Put in dummy place holder values for upstream govs, our |
| 818 | * custom gov only needs .private_data. We should fill this in |
| 819 | * properly if we can actually measure busy_time accurately |
| 820 | * (which we can't at the moment) |
| 821 | */ |
| 822 | .total_time = 1, |
| 823 | .busy_time = 1, |
| 824 | .current_frequency = 0, |
| 825 | }; |
| 826 | |
| 827 | err_unknown_device: |
| 828 | return rc; |
| 829 | } |
| 830 | |
| 831 | static int __unvote_buses(struct venus_hfi_device *device) |
| 832 | { |
| 833 | int rc = 0; |
| 834 | struct bus_info *bus = NULL; |
| 835 | |
| 836 | venus_hfi_for_each_bus(device, bus) { |
| 837 | int local_rc = 0; |
| 838 | unsigned long zero = 0; |
| 839 | |
| 840 | rc = devfreq_suspend_device(bus->devfreq); |
| 841 | if (rc) |
| 842 | goto err_unknown_device; |
| 843 | |
| 844 | local_rc = __devfreq_target(bus->dev, &zero, 0); |
| 845 | rc = rc ?: local_rc; |
| 846 | } |
| 847 | |
| 848 | if (rc) |
| 849 | dprintk(VIDC_WARN, "Failed to unvote some buses\n"); |
| 850 | |
| 851 | err_unknown_device: |
| 852 | return rc; |
| 853 | } |
| 854 | |
| 855 | static int __vote_buses(struct venus_hfi_device *device, |
| 856 | struct vidc_bus_vote_data *data, int num_data) |
| 857 | { |
| 858 | int rc = 0; |
| 859 | struct bus_info *bus = NULL; |
| 860 | struct vidc_bus_vote_data *new_data = NULL; |
| 861 | |
| 862 | if (!num_data) { |
| 863 | dprintk(VIDC_DBG, "No vote data available\n"); |
| 864 | goto no_data_count; |
| 865 | } else if (!data) { |
| 866 | dprintk(VIDC_ERR, "Invalid voting data\n"); |
| 867 | return -EINVAL; |
| 868 | } |
| 869 | |
| 870 | new_data = kmemdup(data, num_data * sizeof(*new_data), GFP_KERNEL); |
| 871 | if (!new_data) { |
| 872 | dprintk(VIDC_ERR, "Can't alloc memory to cache bus votes\n"); |
| 873 | rc = -ENOMEM; |
| 874 | goto err_no_mem; |
| 875 | } |
| 876 | |
| 877 | no_data_count: |
| 878 | kfree(device->bus_vote.data); |
| 879 | device->bus_vote.data = new_data; |
| 880 | device->bus_vote.data_count = num_data; |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 881 | |
| 882 | venus_hfi_for_each_bus(device, bus) { |
| 883 | if (bus && bus->devfreq) { |
| 884 | /* NOP if already resume */ |
| 885 | rc = devfreq_resume_device(bus->devfreq); |
| 886 | if (rc) |
| 887 | goto err_no_mem; |
| 888 | |
| 889 | /* Kick devfreq awake incase _resume() didn't do it */ |
Praneeth Paladugu | f3a8e5f | 2016-12-14 11:04:17 -0800 | [diff] [blame] | 890 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 891 | bus->devfreq->nb.notifier_call( |
| 892 | &bus->devfreq->nb, 0, NULL); |
| 893 | } |
| 894 | } |
| 895 | |
| 896 | err_no_mem: |
| 897 | return rc; |
| 898 | } |
| 899 | |
| 900 | static int venus_hfi_vote_buses(void *dev, struct vidc_bus_vote_data *d, int n) |
| 901 | { |
| 902 | int rc = 0; |
| 903 | struct venus_hfi_device *device = dev; |
| 904 | |
| 905 | if (!device) |
| 906 | return -EINVAL; |
| 907 | |
| 908 | mutex_lock(&device->lock); |
| 909 | rc = __vote_buses(device, d, n); |
| 910 | mutex_unlock(&device->lock); |
| 911 | |
| 912 | return rc; |
| 913 | |
| 914 | } |
| 915 | static int __core_set_resource(struct venus_hfi_device *device, |
| 916 | struct vidc_resource_hdr *resource_hdr, void *resource_value) |
| 917 | { |
| 918 | struct hfi_cmd_sys_set_resource_packet *pkt; |
| 919 | u8 packet[VIDC_IFACEQ_VAR_SMALL_PKT_SIZE]; |
| 920 | int rc = 0; |
| 921 | |
| 922 | if (!device || !resource_hdr || !resource_value) { |
| 923 | dprintk(VIDC_ERR, "set_res: Invalid Params\n"); |
| 924 | return -EINVAL; |
| 925 | } |
| 926 | |
| 927 | pkt = (struct hfi_cmd_sys_set_resource_packet *) packet; |
| 928 | |
| 929 | rc = call_hfi_pkt_op(device, sys_set_resource, |
| 930 | pkt, resource_hdr, resource_value); |
| 931 | if (rc) { |
| 932 | dprintk(VIDC_ERR, "set_res: failed to create packet\n"); |
| 933 | goto err_create_pkt; |
| 934 | } |
| 935 | |
| 936 | rc = __iface_cmdq_write(device, pkt); |
| 937 | if (rc) |
| 938 | rc = -ENOTEMPTY; |
| 939 | |
| 940 | err_create_pkt: |
| 941 | return rc; |
| 942 | } |
| 943 | |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 944 | static int __core_release_resource(struct venus_hfi_device *device, |
| 945 | struct vidc_resource_hdr *resource_hdr) |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 946 | { |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 947 | struct hfi_cmd_sys_release_resource_packet *pkt; |
| 948 | u8 packet[VIDC_IFACEQ_VAR_SMALL_PKT_SIZE]; |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 949 | int rc = 0; |
| 950 | |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 951 | if (!device || !resource_hdr) { |
| 952 | dprintk(VIDC_ERR, "release_res: Invalid Params\n"); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 953 | return -EINVAL; |
| 954 | } |
| 955 | |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 956 | pkt = (struct hfi_cmd_sys_release_resource_packet *) packet; |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 957 | |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 958 | rc = call_hfi_pkt_op(device, sys_release_resource, |
| 959 | pkt, resource_hdr); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 960 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 961 | if (rc) { |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 962 | dprintk(VIDC_ERR, "release_res: failed to create packet\n"); |
| 963 | goto err_create_pkt; |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 964 | } |
| 965 | |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 966 | rc = __iface_cmdq_write(device, pkt); |
| 967 | if (rc) |
| 968 | rc = -ENOTEMPTY; |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 969 | |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 970 | err_create_pkt: |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 971 | return rc; |
| 972 | } |
| 973 | |
| 974 | static int __tzbsp_set_video_state(enum tzbsp_video_state state) |
| 975 | { |
| 976 | struct tzbsp_video_set_state_req cmd = {0}; |
| 977 | int tzbsp_rsp = 0; |
| 978 | int rc = 0; |
| 979 | struct scm_desc desc = {0}; |
| 980 | |
| 981 | desc.args[0] = cmd.state = state; |
| 982 | desc.args[1] = cmd.spare = 0; |
| 983 | desc.arginfo = SCM_ARGS(2); |
| 984 | |
| 985 | if (!is_scm_armv8()) { |
| 986 | rc = scm_call(SCM_SVC_BOOT, TZBSP_VIDEO_SET_STATE, &cmd, |
| 987 | sizeof(cmd), &tzbsp_rsp, sizeof(tzbsp_rsp)); |
| 988 | } else { |
| 989 | rc = scm_call2(SCM_SIP_FNID(SCM_SVC_BOOT, |
| 990 | TZBSP_VIDEO_SET_STATE), &desc); |
| 991 | tzbsp_rsp = desc.ret[0]; |
| 992 | } |
| 993 | |
| 994 | if (rc) { |
| 995 | dprintk(VIDC_ERR, "Failed scm_call %d\n", rc); |
| 996 | return rc; |
| 997 | } |
| 998 | |
| 999 | dprintk(VIDC_DBG, "Set state %d, resp %d\n", state, tzbsp_rsp); |
| 1000 | if (tzbsp_rsp) { |
| 1001 | dprintk(VIDC_ERR, |
| 1002 | "Failed to set video core state to suspend: %d\n", |
| 1003 | tzbsp_rsp); |
| 1004 | return -EINVAL; |
| 1005 | } |
| 1006 | |
| 1007 | return 0; |
| 1008 | } |
| 1009 | |
| 1010 | static inline int __boot_firmware(struct venus_hfi_device *device) |
| 1011 | { |
| 1012 | int rc = 0; |
Praneeth Paladugu | f3a8e5f | 2016-12-14 11:04:17 -0800 | [diff] [blame] | 1013 | u32 ctrl_status = 0, count = 0, max_tries = 1000; |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 1014 | |
| 1015 | __write_register(device, VIDC_CTRL_INIT, 0x1); |
| 1016 | while (!ctrl_status && count < max_tries) { |
| 1017 | ctrl_status = __read_register(device, VIDC_CPU_CS_SCIACMDARG0); |
| 1018 | if ((ctrl_status & 0xFE) == 0x4) { |
| 1019 | dprintk(VIDC_ERR, "invalid setting for UC_REGION\n"); |
| 1020 | break; |
| 1021 | } |
| 1022 | |
Praneeth Paladugu | f3a8e5f | 2016-12-14 11:04:17 -0800 | [diff] [blame] | 1023 | usleep_range(50, 100); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 1024 | count++; |
| 1025 | } |
| 1026 | |
| 1027 | if (count >= max_tries) { |
| 1028 | dprintk(VIDC_ERR, "Error booting up vidc firmware\n"); |
| 1029 | rc = -ETIME; |
| 1030 | } |
| 1031 | return rc; |
| 1032 | } |
| 1033 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 1034 | static int venus_hfi_suspend(void *dev) |
| 1035 | { |
| 1036 | int rc = 0; |
| 1037 | struct venus_hfi_device *device = (struct venus_hfi_device *) dev; |
| 1038 | |
| 1039 | if (!device) { |
| 1040 | dprintk(VIDC_ERR, "%s invalid device\n", __func__); |
| 1041 | return -EINVAL; |
| 1042 | } else if (!device->res->sw_power_collapsible) { |
| 1043 | return -ENOTSUPP; |
| 1044 | } |
| 1045 | |
| 1046 | dprintk(VIDC_DBG, "Suspending Venus\n"); |
| 1047 | rc = flush_delayed_work(&venus_hfi_pm_work); |
| 1048 | |
| 1049 | return rc; |
| 1050 | } |
| 1051 | |
| 1052 | static int venus_hfi_flush_debug_queue(void *dev) |
| 1053 | { |
| 1054 | int rc = 0; |
| 1055 | struct venus_hfi_device *device = (struct venus_hfi_device *) dev; |
| 1056 | |
| 1057 | if (!device) { |
| 1058 | dprintk(VIDC_ERR, "%s invalid device\n", __func__); |
| 1059 | return -EINVAL; |
| 1060 | } |
| 1061 | |
| 1062 | mutex_lock(&device->lock); |
| 1063 | |
| 1064 | if (device->power_enabled) { |
| 1065 | dprintk(VIDC_DBG, "Venus is busy\n"); |
| 1066 | rc = -EBUSY; |
| 1067 | goto exit; |
| 1068 | } |
| 1069 | __flush_debug_queue(device, NULL); |
| 1070 | exit: |
| 1071 | mutex_unlock(&device->lock); |
| 1072 | return rc; |
| 1073 | } |
| 1074 | |
| 1075 | static enum hal_default_properties venus_hfi_get_default_properties(void *dev) |
| 1076 | { |
| 1077 | enum hal_default_properties prop = 0; |
| 1078 | struct venus_hfi_device *device = (struct venus_hfi_device *) dev; |
| 1079 | |
| 1080 | if (!device) { |
| 1081 | dprintk(VIDC_ERR, "%s invalid device\n", __func__); |
| 1082 | return -EINVAL; |
| 1083 | } |
| 1084 | |
| 1085 | mutex_lock(&device->lock); |
| 1086 | |
Chinmay Sawarkar | 2de3f77 | 2017-02-07 12:03:44 -0800 | [diff] [blame] | 1087 | prop = HAL_VIDEO_DYNAMIC_BUF_MODE; |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 1088 | |
| 1089 | mutex_unlock(&device->lock); |
| 1090 | return prop; |
| 1091 | } |
| 1092 | |
Praneeth Paladugu | b71968b | 2015-08-19 20:47:57 -0700 | [diff] [blame] | 1093 | static int __set_clocks(struct venus_hfi_device *device, u32 freq) |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 1094 | { |
| 1095 | struct clock_info *cl; |
Praneeth Paladugu | b71968b | 2015-08-19 20:47:57 -0700 | [diff] [blame] | 1096 | int rc = 0; |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 1097 | |
| 1098 | venus_hfi_for_each_clock(device, cl) { |
Praneeth Paladugu | b71968b | 2015-08-19 20:47:57 -0700 | [diff] [blame] | 1099 | if (cl->has_scaling) {/* has_scaling */ |
| 1100 | device->clk_freq = freq; |
| 1101 | rc = clk_set_rate(cl->clk, freq); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 1102 | if (rc) { |
| 1103 | dprintk(VIDC_ERR, |
Praneeth Paladugu | b71968b | 2015-08-19 20:47:57 -0700 | [diff] [blame] | 1104 | "Failed to set clock rate %u %s: %d %s\n", |
| 1105 | freq, cl->name, rc, __func__); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 1106 | return rc; |
| 1107 | } |
| 1108 | |
Praneeth Paladugu | b71968b | 2015-08-19 20:47:57 -0700 | [diff] [blame] | 1109 | dprintk(VIDC_PROF, "Scaling clock %s to %u\n", |
| 1110 | cl->name, freq); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 1111 | } |
| 1112 | } |
| 1113 | |
| 1114 | return 0; |
| 1115 | } |
| 1116 | |
Praneeth Paladugu | b71968b | 2015-08-19 20:47:57 -0700 | [diff] [blame] | 1117 | static int venus_hfi_scale_clocks(void *dev, u32 freq) |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 1118 | { |
| 1119 | int rc = 0; |
| 1120 | struct venus_hfi_device *device = dev; |
| 1121 | |
| 1122 | if (!device) { |
| 1123 | dprintk(VIDC_ERR, "Invalid args: %pK\n", device); |
| 1124 | return -EINVAL; |
| 1125 | } |
| 1126 | |
| 1127 | mutex_lock(&device->lock); |
| 1128 | |
| 1129 | if (__resume(device)) { |
| 1130 | dprintk(VIDC_ERR, "Resume from power collapse failed\n"); |
| 1131 | rc = -ENODEV; |
| 1132 | goto exit; |
| 1133 | } |
| 1134 | |
Praneeth Paladugu | b71968b | 2015-08-19 20:47:57 -0700 | [diff] [blame] | 1135 | rc = __set_clocks(device, freq); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 1136 | exit: |
| 1137 | mutex_unlock(&device->lock); |
Praneeth Paladugu | b71968b | 2015-08-19 20:47:57 -0700 | [diff] [blame] | 1138 | |
| 1139 | return rc; |
| 1140 | } |
| 1141 | |
| 1142 | static int __scale_clocks(struct venus_hfi_device *device) |
| 1143 | { |
| 1144 | int rc = 0; |
| 1145 | struct clock_freq_table *clk_freq_tbl = NULL; |
| 1146 | struct allowed_clock_rates_table *allowed_clks_tbl = NULL; |
| 1147 | u32 rate = 0; |
| 1148 | |
| 1149 | clk_freq_tbl = &device->res->clock_freq_tbl; |
| 1150 | allowed_clks_tbl = device->res->allowed_clks_tbl; |
| 1151 | |
| 1152 | dprintk(VIDC_DBG, "%s: NULL scale data\n", __func__); |
| 1153 | rate = device->clk_freq ? device->clk_freq : |
| 1154 | allowed_clks_tbl[0].clock_rate; |
| 1155 | |
| 1156 | rc = __set_clocks(device, rate); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 1157 | return rc; |
| 1158 | } |
| 1159 | |
| 1160 | /* Writes into cmdq without raising an interrupt */ |
| 1161 | static int __iface_cmdq_write_relaxed(struct venus_hfi_device *device, |
| 1162 | void *pkt, bool *requires_interrupt) |
| 1163 | { |
| 1164 | struct vidc_iface_q_info *q_info; |
| 1165 | struct vidc_hal_cmd_pkt_hdr *cmd_packet; |
| 1166 | int result = -E2BIG; |
| 1167 | |
| 1168 | if (!device || !pkt) { |
| 1169 | dprintk(VIDC_ERR, "Invalid Params\n"); |
| 1170 | return -EINVAL; |
| 1171 | } |
| 1172 | |
| 1173 | __strict_check(device); |
| 1174 | |
| 1175 | if (!__core_in_valid_state(device)) { |
| 1176 | dprintk(VIDC_DBG, "%s - fw not in init state\n", __func__); |
| 1177 | result = -EINVAL; |
| 1178 | goto err_q_null; |
| 1179 | } |
| 1180 | |
| 1181 | cmd_packet = (struct vidc_hal_cmd_pkt_hdr *)pkt; |
| 1182 | device->last_packet_type = cmd_packet->packet_type; |
| 1183 | |
| 1184 | q_info = &device->iface_queues[VIDC_IFACEQ_CMDQ_IDX]; |
| 1185 | if (!q_info) { |
| 1186 | dprintk(VIDC_ERR, "cannot write to shared Q's\n"); |
| 1187 | goto err_q_null; |
| 1188 | } |
| 1189 | |
| 1190 | if (!q_info->q_array.align_virtual_addr) { |
| 1191 | dprintk(VIDC_ERR, "cannot write to shared CMD Q's\n"); |
| 1192 | result = -ENODATA; |
| 1193 | goto err_q_null; |
| 1194 | } |
| 1195 | |
| 1196 | __sim_modify_cmd_packet((u8 *)pkt, device); |
| 1197 | if (__resume(device)) { |
| 1198 | dprintk(VIDC_ERR, "%s: Power on failed\n", __func__); |
| 1199 | goto err_q_write; |
| 1200 | } |
| 1201 | |
| 1202 | if (!__write_queue(q_info, (u8 *)pkt, requires_interrupt)) { |
| 1203 | if (device->res->sw_power_collapsible) { |
| 1204 | cancel_delayed_work(&venus_hfi_pm_work); |
| 1205 | if (!queue_delayed_work(device->venus_pm_workq, |
| 1206 | &venus_hfi_pm_work, |
| 1207 | msecs_to_jiffies( |
| 1208 | msm_vidc_pwr_collapse_delay))) { |
| 1209 | dprintk(VIDC_DBG, |
| 1210 | "PM work already scheduled\n"); |
| 1211 | } |
| 1212 | } |
| 1213 | |
| 1214 | result = 0; |
| 1215 | } else { |
| 1216 | dprintk(VIDC_ERR, "__iface_cmdq_write: queue full\n"); |
| 1217 | } |
| 1218 | |
| 1219 | err_q_write: |
| 1220 | err_q_null: |
| 1221 | return result; |
| 1222 | } |
| 1223 | |
| 1224 | static int __iface_cmdq_write(struct venus_hfi_device *device, void *pkt) |
| 1225 | { |
| 1226 | bool needs_interrupt = false; |
| 1227 | int rc = __iface_cmdq_write_relaxed(device, pkt, &needs_interrupt); |
| 1228 | |
| 1229 | if (!rc && needs_interrupt) { |
| 1230 | /* Consumer of cmdq prefers that we raise an interrupt */ |
| 1231 | rc = 0; |
| 1232 | __write_register(device, VIDC_CPU_IC_SOFTINT, |
| 1233 | 1 << VIDC_CPU_IC_SOFTINT_H2A_SHFT); |
| 1234 | } |
| 1235 | |
| 1236 | return rc; |
| 1237 | } |
| 1238 | |
| 1239 | static int __iface_msgq_read(struct venus_hfi_device *device, void *pkt) |
| 1240 | { |
| 1241 | u32 tx_req_is_set = 0; |
| 1242 | int rc = 0; |
| 1243 | struct vidc_iface_q_info *q_info; |
| 1244 | |
| 1245 | if (!pkt) { |
| 1246 | dprintk(VIDC_ERR, "Invalid Params\n"); |
| 1247 | return -EINVAL; |
| 1248 | } |
| 1249 | |
| 1250 | __strict_check(device); |
| 1251 | |
| 1252 | if (!__core_in_valid_state(device)) { |
| 1253 | dprintk(VIDC_DBG, "%s - fw not in init state\n", __func__); |
| 1254 | rc = -EINVAL; |
| 1255 | goto read_error_null; |
| 1256 | } |
| 1257 | |
| 1258 | if (device->iface_queues[VIDC_IFACEQ_MSGQ_IDX]. |
| 1259 | q_array.align_virtual_addr == 0) { |
| 1260 | dprintk(VIDC_ERR, "cannot read from shared MSG Q's\n"); |
| 1261 | rc = -ENODATA; |
| 1262 | goto read_error_null; |
| 1263 | } |
| 1264 | |
| 1265 | q_info = &device->iface_queues[VIDC_IFACEQ_MSGQ_IDX]; |
| 1266 | if (!__read_queue(q_info, (u8 *)pkt, &tx_req_is_set)) { |
| 1267 | __hal_sim_modify_msg_packet((u8 *)pkt, device); |
| 1268 | if (tx_req_is_set) |
| 1269 | __write_register(device, VIDC_CPU_IC_SOFTINT, |
| 1270 | 1 << VIDC_CPU_IC_SOFTINT_H2A_SHFT); |
| 1271 | rc = 0; |
| 1272 | } else |
| 1273 | rc = -ENODATA; |
| 1274 | |
| 1275 | read_error_null: |
| 1276 | return rc; |
| 1277 | } |
| 1278 | |
| 1279 | static int __iface_dbgq_read(struct venus_hfi_device *device, void *pkt) |
| 1280 | { |
| 1281 | u32 tx_req_is_set = 0; |
| 1282 | int rc = 0; |
| 1283 | struct vidc_iface_q_info *q_info; |
| 1284 | |
| 1285 | if (!pkt) { |
| 1286 | dprintk(VIDC_ERR, "Invalid Params\n"); |
| 1287 | return -EINVAL; |
| 1288 | } |
| 1289 | |
| 1290 | __strict_check(device); |
| 1291 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 1292 | if (device->iface_queues[VIDC_IFACEQ_DBGQ_IDX]. |
| 1293 | q_array.align_virtual_addr == 0) { |
| 1294 | dprintk(VIDC_ERR, "cannot read from shared DBG Q's\n"); |
| 1295 | rc = -ENODATA; |
| 1296 | goto dbg_error_null; |
| 1297 | } |
| 1298 | |
| 1299 | q_info = &device->iface_queues[VIDC_IFACEQ_DBGQ_IDX]; |
| 1300 | if (!__read_queue(q_info, (u8 *)pkt, &tx_req_is_set)) { |
| 1301 | if (tx_req_is_set) |
| 1302 | __write_register(device, VIDC_CPU_IC_SOFTINT, |
| 1303 | 1 << VIDC_CPU_IC_SOFTINT_H2A_SHFT); |
| 1304 | rc = 0; |
| 1305 | } else |
| 1306 | rc = -ENODATA; |
| 1307 | |
| 1308 | dbg_error_null: |
| 1309 | return rc; |
| 1310 | } |
| 1311 | |
| 1312 | static void __set_queue_hdr_defaults(struct hfi_queue_header *q_hdr) |
| 1313 | { |
| 1314 | q_hdr->qhdr_status = 0x1; |
| 1315 | q_hdr->qhdr_type = VIDC_IFACEQ_DFLT_QHDR; |
| 1316 | q_hdr->qhdr_q_size = VIDC_IFACEQ_QUEUE_SIZE / 4; |
| 1317 | q_hdr->qhdr_pkt_size = 0; |
| 1318 | q_hdr->qhdr_rx_wm = 0x1; |
| 1319 | q_hdr->qhdr_tx_wm = 0x1; |
| 1320 | q_hdr->qhdr_rx_req = 0x1; |
| 1321 | q_hdr->qhdr_tx_req = 0x0; |
| 1322 | q_hdr->qhdr_rx_irq_status = 0x0; |
| 1323 | q_hdr->qhdr_tx_irq_status = 0x0; |
| 1324 | q_hdr->qhdr_read_idx = 0x0; |
| 1325 | q_hdr->qhdr_write_idx = 0x0; |
| 1326 | } |
| 1327 | |
| 1328 | static void __interface_queues_release(struct venus_hfi_device *device) |
| 1329 | { |
| 1330 | int i; |
| 1331 | struct hfi_mem_map_table *qdss; |
| 1332 | struct hfi_mem_map *mem_map; |
| 1333 | int num_entries = device->res->qdss_addr_set.count; |
| 1334 | unsigned long mem_map_table_base_addr; |
| 1335 | struct context_bank_info *cb; |
| 1336 | |
| 1337 | if (device->qdss.mem_data) { |
| 1338 | qdss = (struct hfi_mem_map_table *) |
| 1339 | device->qdss.align_virtual_addr; |
| 1340 | qdss->mem_map_num_entries = num_entries; |
| 1341 | mem_map_table_base_addr = |
| 1342 | device->qdss.align_device_addr + |
| 1343 | sizeof(struct hfi_mem_map_table); |
| 1344 | qdss->mem_map_table_base_addr = |
| 1345 | (u32)mem_map_table_base_addr; |
| 1346 | if ((unsigned long)qdss->mem_map_table_base_addr != |
| 1347 | mem_map_table_base_addr) { |
| 1348 | dprintk(VIDC_ERR, |
| 1349 | "Invalid mem_map_table_base_addr %#lx", |
| 1350 | mem_map_table_base_addr); |
| 1351 | } |
| 1352 | |
| 1353 | mem_map = (struct hfi_mem_map *)(qdss + 1); |
| 1354 | cb = msm_smem_get_context_bank(device->hal_client, |
| 1355 | false, HAL_BUFFER_INTERNAL_CMD_QUEUE); |
| 1356 | |
| 1357 | for (i = 0; cb && i < num_entries; i++) { |
| 1358 | iommu_unmap(cb->mapping->domain, |
| 1359 | mem_map[i].virtual_addr, |
| 1360 | mem_map[i].size); |
| 1361 | } |
| 1362 | |
| 1363 | __smem_free(device, device->qdss.mem_data); |
| 1364 | } |
| 1365 | |
| 1366 | __smem_free(device, device->iface_q_table.mem_data); |
| 1367 | __smem_free(device, device->sfr.mem_data); |
| 1368 | |
| 1369 | for (i = 0; i < VIDC_IFACEQ_NUMQ; i++) { |
| 1370 | device->iface_queues[i].q_hdr = NULL; |
| 1371 | device->iface_queues[i].q_array.mem_data = NULL; |
| 1372 | device->iface_queues[i].q_array.align_virtual_addr = NULL; |
| 1373 | device->iface_queues[i].q_array.align_device_addr = 0; |
| 1374 | } |
| 1375 | |
| 1376 | device->iface_q_table.mem_data = NULL; |
| 1377 | device->iface_q_table.align_virtual_addr = NULL; |
| 1378 | device->iface_q_table.align_device_addr = 0; |
| 1379 | |
| 1380 | device->qdss.mem_data = NULL; |
| 1381 | device->qdss.align_virtual_addr = NULL; |
| 1382 | device->qdss.align_device_addr = 0; |
| 1383 | |
| 1384 | device->sfr.mem_data = NULL; |
| 1385 | device->sfr.align_virtual_addr = NULL; |
| 1386 | device->sfr.align_device_addr = 0; |
| 1387 | |
| 1388 | device->mem_addr.mem_data = NULL; |
| 1389 | device->mem_addr.align_virtual_addr = NULL; |
| 1390 | device->mem_addr.align_device_addr = 0; |
| 1391 | |
| 1392 | msm_smem_delete_client(device->hal_client); |
| 1393 | device->hal_client = NULL; |
| 1394 | } |
| 1395 | |
| 1396 | static int __get_qdss_iommu_virtual_addr(struct venus_hfi_device *dev, |
| 1397 | struct hfi_mem_map *mem_map, struct dma_iommu_mapping *mapping) |
| 1398 | { |
| 1399 | int i; |
| 1400 | int rc = 0; |
| 1401 | dma_addr_t iova = QDSS_IOVA_START; |
| 1402 | int num_entries = dev->res->qdss_addr_set.count; |
| 1403 | struct addr_range *qdss_addr_tbl = dev->res->qdss_addr_set.addr_tbl; |
| 1404 | |
| 1405 | if (!num_entries) |
| 1406 | return -ENODATA; |
| 1407 | |
| 1408 | for (i = 0; i < num_entries; i++) { |
| 1409 | if (mapping) { |
| 1410 | rc = iommu_map(mapping->domain, iova, |
| 1411 | qdss_addr_tbl[i].start, |
| 1412 | qdss_addr_tbl[i].size, |
| 1413 | IOMMU_READ | IOMMU_WRITE); |
| 1414 | |
| 1415 | if (rc) { |
| 1416 | dprintk(VIDC_ERR, |
| 1417 | "IOMMU QDSS mapping failed for addr %#x\n", |
| 1418 | qdss_addr_tbl[i].start); |
| 1419 | rc = -ENOMEM; |
| 1420 | break; |
| 1421 | } |
| 1422 | } else { |
| 1423 | iova = qdss_addr_tbl[i].start; |
| 1424 | } |
| 1425 | |
| 1426 | mem_map[i].virtual_addr = (u32)iova; |
| 1427 | mem_map[i].physical_addr = qdss_addr_tbl[i].start; |
| 1428 | mem_map[i].size = qdss_addr_tbl[i].size; |
| 1429 | mem_map[i].attr = 0x0; |
| 1430 | |
| 1431 | iova += mem_map[i].size; |
| 1432 | } |
| 1433 | |
| 1434 | if (i < num_entries) { |
| 1435 | dprintk(VIDC_ERR, |
| 1436 | "QDSS mapping failed, Freeing other entries %d\n", i); |
| 1437 | |
| 1438 | for (--i; mapping && i >= 0; i--) { |
| 1439 | iommu_unmap(mapping->domain, |
| 1440 | mem_map[i].virtual_addr, |
| 1441 | mem_map[i].size); |
| 1442 | } |
| 1443 | } |
| 1444 | |
| 1445 | return rc; |
| 1446 | } |
| 1447 | |
| 1448 | static void __setup_ucregion_memory_map(struct venus_hfi_device *device) |
| 1449 | { |
| 1450 | __write_register(device, VIDC_UC_REGION_ADDR, |
| 1451 | (u32)device->iface_q_table.align_device_addr); |
| 1452 | __write_register(device, VIDC_UC_REGION_SIZE, SHARED_QSIZE); |
| 1453 | __write_register(device, VIDC_CPU_CS_SCIACMDARG2, |
| 1454 | (u32)device->iface_q_table.align_device_addr); |
| 1455 | __write_register(device, VIDC_CPU_CS_SCIACMDARG1, 0x01); |
| 1456 | if (device->sfr.align_device_addr) |
| 1457 | __write_register(device, VIDC_SFR_ADDR, |
| 1458 | (u32)device->sfr.align_device_addr); |
| 1459 | if (device->qdss.align_device_addr) |
| 1460 | __write_register(device, VIDC_MMAP_ADDR, |
| 1461 | (u32)device->qdss.align_device_addr); |
| 1462 | } |
| 1463 | |
| 1464 | static int __interface_queues_init(struct venus_hfi_device *dev) |
| 1465 | { |
| 1466 | struct hfi_queue_table_header *q_tbl_hdr; |
| 1467 | struct hfi_queue_header *q_hdr; |
| 1468 | u32 i; |
| 1469 | int rc = 0; |
| 1470 | struct hfi_mem_map_table *qdss; |
| 1471 | struct hfi_mem_map *mem_map; |
| 1472 | struct vidc_iface_q_info *iface_q; |
| 1473 | struct hfi_sfr_struct *vsfr; |
| 1474 | struct vidc_mem_addr *mem_addr; |
| 1475 | int offset = 0; |
| 1476 | int num_entries = dev->res->qdss_addr_set.count; |
| 1477 | u32 value = 0; |
| 1478 | phys_addr_t fw_bias = 0; |
| 1479 | size_t q_size; |
| 1480 | unsigned long mem_map_table_base_addr; |
| 1481 | struct context_bank_info *cb; |
| 1482 | |
| 1483 | q_size = SHARED_QSIZE - ALIGNED_SFR_SIZE - ALIGNED_QDSS_SIZE; |
| 1484 | mem_addr = &dev->mem_addr; |
| 1485 | if (!is_iommu_present(dev->res)) |
| 1486 | fw_bias = dev->hal_data->firmware_base; |
| 1487 | rc = __smem_alloc(dev, mem_addr, q_size, 1, 0, |
| 1488 | HAL_BUFFER_INTERNAL_CMD_QUEUE); |
| 1489 | if (rc) { |
| 1490 | dprintk(VIDC_ERR, "iface_q_table_alloc_fail\n"); |
| 1491 | goto fail_alloc_queue; |
| 1492 | } |
| 1493 | |
| 1494 | dev->iface_q_table.align_virtual_addr = mem_addr->align_virtual_addr; |
| 1495 | dev->iface_q_table.align_device_addr = mem_addr->align_device_addr - |
| 1496 | fw_bias; |
| 1497 | dev->iface_q_table.mem_size = VIDC_IFACEQ_TABLE_SIZE; |
| 1498 | dev->iface_q_table.mem_data = mem_addr->mem_data; |
| 1499 | offset += dev->iface_q_table.mem_size; |
| 1500 | |
| 1501 | for (i = 0; i < VIDC_IFACEQ_NUMQ; i++) { |
| 1502 | iface_q = &dev->iface_queues[i]; |
| 1503 | iface_q->q_array.align_device_addr = mem_addr->align_device_addr |
| 1504 | + offset - fw_bias; |
| 1505 | iface_q->q_array.align_virtual_addr = |
| 1506 | mem_addr->align_virtual_addr + offset; |
| 1507 | iface_q->q_array.mem_size = VIDC_IFACEQ_QUEUE_SIZE; |
| 1508 | iface_q->q_array.mem_data = NULL; |
| 1509 | offset += iface_q->q_array.mem_size; |
| 1510 | iface_q->q_hdr = VIDC_IFACEQ_GET_QHDR_START_ADDR( |
| 1511 | dev->iface_q_table.align_virtual_addr, i); |
| 1512 | __set_queue_hdr_defaults(iface_q->q_hdr); |
| 1513 | } |
| 1514 | |
| 1515 | if ((msm_vidc_fw_debug_mode & HFI_DEBUG_MODE_QDSS) && num_entries) { |
| 1516 | rc = __smem_alloc(dev, mem_addr, |
| 1517 | ALIGNED_QDSS_SIZE, 1, 0, |
| 1518 | HAL_BUFFER_INTERNAL_CMD_QUEUE); |
| 1519 | if (rc) { |
| 1520 | dprintk(VIDC_WARN, |
| 1521 | "qdss_alloc_fail: QDSS messages logging will not work\n"); |
| 1522 | dev->qdss.align_device_addr = 0; |
| 1523 | } else { |
| 1524 | dev->qdss.align_device_addr = |
| 1525 | mem_addr->align_device_addr - fw_bias; |
| 1526 | dev->qdss.align_virtual_addr = |
| 1527 | mem_addr->align_virtual_addr; |
| 1528 | dev->qdss.mem_size = ALIGNED_QDSS_SIZE; |
| 1529 | dev->qdss.mem_data = mem_addr->mem_data; |
| 1530 | } |
| 1531 | } |
| 1532 | |
| 1533 | rc = __smem_alloc(dev, mem_addr, |
| 1534 | ALIGNED_SFR_SIZE, 1, 0, |
| 1535 | HAL_BUFFER_INTERNAL_CMD_QUEUE); |
| 1536 | if (rc) { |
| 1537 | dprintk(VIDC_WARN, "sfr_alloc_fail: SFR not will work\n"); |
| 1538 | dev->sfr.align_device_addr = 0; |
| 1539 | } else { |
| 1540 | dev->sfr.align_device_addr = mem_addr->align_device_addr - |
| 1541 | fw_bias; |
| 1542 | dev->sfr.align_virtual_addr = mem_addr->align_virtual_addr; |
| 1543 | dev->sfr.mem_size = ALIGNED_SFR_SIZE; |
| 1544 | dev->sfr.mem_data = mem_addr->mem_data; |
| 1545 | } |
| 1546 | |
| 1547 | q_tbl_hdr = (struct hfi_queue_table_header *) |
| 1548 | dev->iface_q_table.align_virtual_addr; |
| 1549 | q_tbl_hdr->qtbl_version = 0; |
| 1550 | q_tbl_hdr->device_addr = (void *)dev; |
| 1551 | strlcpy(q_tbl_hdr->name, "msm_v4l2_vidc", sizeof(q_tbl_hdr->name)); |
| 1552 | q_tbl_hdr->qtbl_size = VIDC_IFACEQ_TABLE_SIZE; |
| 1553 | q_tbl_hdr->qtbl_qhdr0_offset = sizeof(struct hfi_queue_table_header); |
| 1554 | q_tbl_hdr->qtbl_qhdr_size = sizeof(struct hfi_queue_header); |
| 1555 | q_tbl_hdr->qtbl_num_q = VIDC_IFACEQ_NUMQ; |
| 1556 | q_tbl_hdr->qtbl_num_active_q = VIDC_IFACEQ_NUMQ; |
| 1557 | |
| 1558 | iface_q = &dev->iface_queues[VIDC_IFACEQ_CMDQ_IDX]; |
| 1559 | q_hdr = iface_q->q_hdr; |
| 1560 | q_hdr->qhdr_start_addr = (u32)iface_q->q_array.align_device_addr; |
| 1561 | q_hdr->qhdr_type |= HFI_Q_ID_HOST_TO_CTRL_CMD_Q; |
| 1562 | if ((ion_phys_addr_t)q_hdr->qhdr_start_addr != |
| 1563 | iface_q->q_array.align_device_addr) { |
| 1564 | dprintk(VIDC_ERR, "Invalid CMDQ device address (%pa)", |
| 1565 | &iface_q->q_array.align_device_addr); |
| 1566 | } |
| 1567 | |
| 1568 | iface_q = &dev->iface_queues[VIDC_IFACEQ_MSGQ_IDX]; |
| 1569 | q_hdr = iface_q->q_hdr; |
| 1570 | q_hdr->qhdr_start_addr = (u32)iface_q->q_array.align_device_addr; |
| 1571 | q_hdr->qhdr_type |= HFI_Q_ID_CTRL_TO_HOST_MSG_Q; |
| 1572 | if ((ion_phys_addr_t)q_hdr->qhdr_start_addr != |
| 1573 | iface_q->q_array.align_device_addr) { |
| 1574 | dprintk(VIDC_ERR, "Invalid MSGQ device address (%pa)", |
| 1575 | &iface_q->q_array.align_device_addr); |
| 1576 | } |
| 1577 | |
| 1578 | iface_q = &dev->iface_queues[VIDC_IFACEQ_DBGQ_IDX]; |
| 1579 | q_hdr = iface_q->q_hdr; |
| 1580 | q_hdr->qhdr_start_addr = (u32)iface_q->q_array.align_device_addr; |
| 1581 | q_hdr->qhdr_type |= HFI_Q_ID_CTRL_TO_HOST_DEBUG_Q; |
| 1582 | /* |
| 1583 | * Set receive request to zero on debug queue as there is no |
| 1584 | * need of interrupt from video hardware for debug messages |
| 1585 | */ |
| 1586 | q_hdr->qhdr_rx_req = 0; |
| 1587 | if ((ion_phys_addr_t)q_hdr->qhdr_start_addr != |
| 1588 | iface_q->q_array.align_device_addr) { |
| 1589 | dprintk(VIDC_ERR, "Invalid DBGQ device address (%pa)", |
| 1590 | &iface_q->q_array.align_device_addr); |
| 1591 | } |
| 1592 | |
| 1593 | value = (u32)dev->iface_q_table.align_device_addr; |
| 1594 | if ((ion_phys_addr_t)value != |
| 1595 | dev->iface_q_table.align_device_addr) { |
| 1596 | dprintk(VIDC_ERR, |
| 1597 | "Invalid iface_q_table device address (%pa)", |
| 1598 | &dev->iface_q_table.align_device_addr); |
| 1599 | } |
| 1600 | |
| 1601 | if (dev->qdss.mem_data) { |
| 1602 | qdss = (struct hfi_mem_map_table *)dev->qdss.align_virtual_addr; |
| 1603 | qdss->mem_map_num_entries = num_entries; |
| 1604 | mem_map_table_base_addr = dev->qdss.align_device_addr + |
| 1605 | sizeof(struct hfi_mem_map_table); |
| 1606 | qdss->mem_map_table_base_addr = |
| 1607 | (u32)mem_map_table_base_addr; |
| 1608 | if ((ion_phys_addr_t)qdss->mem_map_table_base_addr != |
| 1609 | mem_map_table_base_addr) { |
| 1610 | dprintk(VIDC_ERR, |
| 1611 | "Invalid mem_map_table_base_addr (%#lx)", |
| 1612 | mem_map_table_base_addr); |
| 1613 | } |
| 1614 | |
| 1615 | mem_map = (struct hfi_mem_map *)(qdss + 1); |
| 1616 | cb = msm_smem_get_context_bank(dev->hal_client, false, |
| 1617 | HAL_BUFFER_INTERNAL_CMD_QUEUE); |
| 1618 | |
| 1619 | if (!cb) { |
| 1620 | dprintk(VIDC_ERR, |
| 1621 | "%s: failed to get context bank\n", __func__); |
| 1622 | return -EINVAL; |
| 1623 | } |
| 1624 | |
| 1625 | rc = __get_qdss_iommu_virtual_addr(dev, mem_map, cb->mapping); |
| 1626 | if (rc) { |
| 1627 | dprintk(VIDC_ERR, |
| 1628 | "IOMMU mapping failed, Freeing qdss memdata\n"); |
| 1629 | __smem_free(dev, dev->qdss.mem_data); |
| 1630 | dev->qdss.mem_data = NULL; |
| 1631 | dev->qdss.align_virtual_addr = NULL; |
| 1632 | dev->qdss.align_device_addr = 0; |
| 1633 | } |
| 1634 | |
| 1635 | value = (u32)dev->qdss.align_device_addr; |
| 1636 | if ((ion_phys_addr_t)value != |
| 1637 | dev->qdss.align_device_addr) { |
| 1638 | dprintk(VIDC_ERR, "Invalid qdss device address (%pa)", |
| 1639 | &dev->qdss.align_device_addr); |
| 1640 | } |
| 1641 | } |
| 1642 | |
| 1643 | vsfr = (struct hfi_sfr_struct *) dev->sfr.align_virtual_addr; |
| 1644 | vsfr->bufSize = ALIGNED_SFR_SIZE; |
| 1645 | value = (u32)dev->sfr.align_device_addr; |
| 1646 | if ((ion_phys_addr_t)value != |
| 1647 | dev->sfr.align_device_addr) { |
| 1648 | dprintk(VIDC_ERR, "Invalid sfr device address (%pa)", |
| 1649 | &dev->sfr.align_device_addr); |
| 1650 | } |
| 1651 | |
| 1652 | __setup_ucregion_memory_map(dev); |
| 1653 | return 0; |
| 1654 | fail_alloc_queue: |
| 1655 | return -ENOMEM; |
| 1656 | } |
| 1657 | |
| 1658 | static int __sys_set_debug(struct venus_hfi_device *device, u32 debug) |
| 1659 | { |
| 1660 | u8 packet[VIDC_IFACEQ_VAR_SMALL_PKT_SIZE]; |
| 1661 | int rc = 0; |
| 1662 | struct hfi_cmd_sys_set_property_packet *pkt = |
| 1663 | (struct hfi_cmd_sys_set_property_packet *) &packet; |
| 1664 | |
| 1665 | rc = call_hfi_pkt_op(device, sys_debug_config, pkt, debug); |
| 1666 | if (rc) { |
| 1667 | dprintk(VIDC_WARN, |
| 1668 | "Debug mode setting to FW failed\n"); |
| 1669 | return -ENOTEMPTY; |
| 1670 | } |
| 1671 | |
| 1672 | if (__iface_cmdq_write(device, pkt)) |
| 1673 | return -ENOTEMPTY; |
| 1674 | return 0; |
| 1675 | } |
| 1676 | |
| 1677 | static int __sys_set_coverage(struct venus_hfi_device *device, u32 mode) |
| 1678 | { |
| 1679 | u8 packet[VIDC_IFACEQ_VAR_SMALL_PKT_SIZE]; |
| 1680 | int rc = 0; |
| 1681 | struct hfi_cmd_sys_set_property_packet *pkt = |
| 1682 | (struct hfi_cmd_sys_set_property_packet *) &packet; |
| 1683 | |
| 1684 | rc = call_hfi_pkt_op(device, sys_coverage_config, |
| 1685 | pkt, mode); |
| 1686 | if (rc) { |
| 1687 | dprintk(VIDC_WARN, |
| 1688 | "Coverage mode setting to FW failed\n"); |
| 1689 | return -ENOTEMPTY; |
| 1690 | } |
| 1691 | |
| 1692 | if (__iface_cmdq_write(device, pkt)) { |
| 1693 | dprintk(VIDC_WARN, "Failed to send coverage pkt to f/w\n"); |
| 1694 | return -ENOTEMPTY; |
| 1695 | } |
| 1696 | |
| 1697 | return 0; |
| 1698 | } |
| 1699 | |
| 1700 | static int __sys_set_idle_message(struct venus_hfi_device *device, |
| 1701 | bool enable) |
| 1702 | { |
| 1703 | u8 packet[VIDC_IFACEQ_VAR_SMALL_PKT_SIZE]; |
| 1704 | struct hfi_cmd_sys_set_property_packet *pkt = |
| 1705 | (struct hfi_cmd_sys_set_property_packet *) &packet; |
| 1706 | |
| 1707 | if (!enable) { |
| 1708 | dprintk(VIDC_DBG, "sys_idle_indicator is not enabled\n"); |
| 1709 | return 0; |
| 1710 | } |
| 1711 | |
| 1712 | call_hfi_pkt_op(device, sys_idle_indicator, pkt, enable); |
| 1713 | if (__iface_cmdq_write(device, pkt)) |
| 1714 | return -ENOTEMPTY; |
| 1715 | return 0; |
| 1716 | } |
| 1717 | |
| 1718 | static int __sys_set_power_control(struct venus_hfi_device *device, |
| 1719 | bool enable) |
| 1720 | { |
| 1721 | struct regulator_info *rinfo; |
| 1722 | bool supported = false; |
| 1723 | u8 packet[VIDC_IFACEQ_VAR_SMALL_PKT_SIZE]; |
| 1724 | struct hfi_cmd_sys_set_property_packet *pkt = |
| 1725 | (struct hfi_cmd_sys_set_property_packet *) &packet; |
| 1726 | |
| 1727 | venus_hfi_for_each_regulator(device, rinfo) { |
| 1728 | if (rinfo->has_hw_power_collapse) { |
| 1729 | supported = true; |
| 1730 | break; |
| 1731 | } |
| 1732 | } |
| 1733 | |
| 1734 | if (!supported) |
| 1735 | return 0; |
| 1736 | |
| 1737 | call_hfi_pkt_op(device, sys_power_control, pkt, enable); |
| 1738 | if (__iface_cmdq_write(device, pkt)) |
| 1739 | return -ENOTEMPTY; |
| 1740 | return 0; |
| 1741 | } |
| 1742 | |
| 1743 | static int venus_hfi_core_init(void *device) |
| 1744 | { |
| 1745 | struct hfi_cmd_sys_init_packet pkt; |
| 1746 | struct hfi_cmd_sys_get_property_packet version_pkt; |
| 1747 | int rc = 0; |
| 1748 | struct list_head *ptr, *next; |
| 1749 | struct hal_session *session = NULL; |
| 1750 | struct venus_hfi_device *dev; |
| 1751 | |
| 1752 | if (!device) { |
| 1753 | dprintk(VIDC_ERR, "Invalid device\n"); |
| 1754 | return -ENODEV; |
| 1755 | } |
| 1756 | |
| 1757 | dev = device; |
| 1758 | mutex_lock(&dev->lock); |
| 1759 | |
| 1760 | rc = __load_fw(dev); |
| 1761 | if (rc) { |
| 1762 | dprintk(VIDC_ERR, "Failed to load Venus FW\n"); |
| 1763 | goto err_load_fw; |
| 1764 | } |
| 1765 | |
| 1766 | __set_state(dev, VENUS_STATE_INIT); |
| 1767 | |
| 1768 | list_for_each_safe(ptr, next, &dev->sess_head) { |
| 1769 | /* |
| 1770 | * This means that session list is not empty. Kick stale |
| 1771 | * sessions out of our valid instance list, but keep the |
| 1772 | * list_head inited so that list_del (in the future, called |
| 1773 | * by session_clean()) will be valid. When client doesn't close |
| 1774 | * them, then it is a genuine leak which driver can't fix. |
| 1775 | */ |
| 1776 | session = list_entry(ptr, struct hal_session, list); |
| 1777 | list_del_init(&session->list); |
| 1778 | } |
| 1779 | |
| 1780 | INIT_LIST_HEAD(&dev->sess_head); |
| 1781 | |
| 1782 | if (!dev->hal_client) { |
| 1783 | dev->hal_client = msm_smem_new_client( |
| 1784 | SMEM_ION, dev->res, MSM_VIDC_UNKNOWN); |
| 1785 | if (dev->hal_client == NULL) { |
| 1786 | dprintk(VIDC_ERR, "Failed to alloc ION_Client\n"); |
| 1787 | rc = -ENODEV; |
| 1788 | goto err_core_init; |
| 1789 | } |
| 1790 | |
| 1791 | dprintk(VIDC_DBG, "Dev_Virt: %pa, Reg_Virt: %pK\n", |
| 1792 | &dev->hal_data->firmware_base, |
| 1793 | dev->hal_data->register_base); |
| 1794 | |
| 1795 | rc = __interface_queues_init(dev); |
| 1796 | if (rc) { |
| 1797 | dprintk(VIDC_ERR, "failed to init queues\n"); |
| 1798 | rc = -ENOMEM; |
| 1799 | goto err_core_init; |
| 1800 | } |
| 1801 | } else { |
| 1802 | dprintk(VIDC_ERR, "hal_client exists\n"); |
| 1803 | rc = -EEXIST; |
| 1804 | goto err_core_init; |
| 1805 | } |
| 1806 | |
| 1807 | rc = __boot_firmware(dev); |
| 1808 | if (rc) { |
| 1809 | dprintk(VIDC_ERR, "Failed to start core\n"); |
| 1810 | rc = -ENODEV; |
| 1811 | goto err_core_init; |
| 1812 | } |
| 1813 | |
| 1814 | rc = call_hfi_pkt_op(dev, sys_init, &pkt, HFI_VIDEO_ARCH_OX); |
| 1815 | if (rc) { |
| 1816 | dprintk(VIDC_ERR, "Failed to create sys init pkt\n"); |
| 1817 | goto err_core_init; |
| 1818 | } |
| 1819 | |
| 1820 | if (__iface_cmdq_write(dev, &pkt)) { |
| 1821 | rc = -ENOTEMPTY; |
| 1822 | goto err_core_init; |
| 1823 | } |
| 1824 | |
| 1825 | rc = call_hfi_pkt_op(dev, sys_image_version, &version_pkt); |
| 1826 | if (rc || __iface_cmdq_write(dev, &version_pkt)) |
| 1827 | dprintk(VIDC_WARN, "Failed to send image version pkt to f/w\n"); |
| 1828 | |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 1829 | rc = __enable_subcaches(device); |
| 1830 | if (rc) { |
| 1831 | dprintk(VIDC_WARN, |
| 1832 | "Failed to enable subcaches, err = %d\n", rc); |
| 1833 | } |
| 1834 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 1835 | if (dev->res->pm_qos_latency_us) { |
| 1836 | #ifdef CONFIG_SMP |
| 1837 | dev->qos.type = PM_QOS_REQ_AFFINE_IRQ; |
| 1838 | dev->qos.irq = dev->hal_data->irq; |
| 1839 | #endif |
| 1840 | pm_qos_add_request(&dev->qos, PM_QOS_CPU_DMA_LATENCY, |
| 1841 | dev->res->pm_qos_latency_us); |
| 1842 | } |
| 1843 | |
| 1844 | mutex_unlock(&dev->lock); |
| 1845 | return rc; |
| 1846 | err_core_init: |
| 1847 | __set_state(dev, VENUS_STATE_DEINIT); |
| 1848 | __unload_fw(dev); |
| 1849 | err_load_fw: |
| 1850 | mutex_unlock(&dev->lock); |
| 1851 | return rc; |
| 1852 | } |
| 1853 | |
| 1854 | static int venus_hfi_core_release(void *dev) |
| 1855 | { |
| 1856 | struct venus_hfi_device *device = dev; |
| 1857 | int rc = 0; |
| 1858 | |
| 1859 | if (!device) { |
| 1860 | dprintk(VIDC_ERR, "invalid device\n"); |
| 1861 | return -ENODEV; |
| 1862 | } |
| 1863 | |
| 1864 | mutex_lock(&device->lock); |
| 1865 | |
| 1866 | if (device->res->pm_qos_latency_us && |
| 1867 | pm_qos_request_active(&device->qos)) |
| 1868 | pm_qos_remove_request(&device->qos); |
Maheshwar Ajja | e43dd82 | 2017-04-25 15:56:53 -0700 | [diff] [blame] | 1869 | |
| 1870 | __resume(device); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 1871 | __set_state(device, VENUS_STATE_DEINIT); |
| 1872 | __unload_fw(device); |
| 1873 | |
| 1874 | mutex_unlock(&device->lock); |
| 1875 | |
| 1876 | return rc; |
| 1877 | } |
| 1878 | |
| 1879 | static int __get_q_size(struct venus_hfi_device *dev, unsigned int q_index) |
| 1880 | { |
| 1881 | struct hfi_queue_header *queue; |
| 1882 | struct vidc_iface_q_info *q_info; |
| 1883 | u32 write_ptr, read_ptr; |
| 1884 | |
| 1885 | if (q_index >= VIDC_IFACEQ_NUMQ) { |
| 1886 | dprintk(VIDC_ERR, "Invalid q index: %d\n", q_index); |
| 1887 | return -ENOENT; |
| 1888 | } |
| 1889 | |
| 1890 | q_info = &dev->iface_queues[q_index]; |
| 1891 | if (!q_info) { |
| 1892 | dprintk(VIDC_ERR, "cannot read shared Q's\n"); |
| 1893 | return -ENOENT; |
| 1894 | } |
| 1895 | |
| 1896 | queue = (struct hfi_queue_header *)q_info->q_hdr; |
| 1897 | if (!queue) { |
| 1898 | dprintk(VIDC_ERR, "queue not present\n"); |
| 1899 | return -ENOENT; |
| 1900 | } |
| 1901 | |
| 1902 | write_ptr = (u32)queue->qhdr_write_idx; |
| 1903 | read_ptr = (u32)queue->qhdr_read_idx; |
| 1904 | return read_ptr - write_ptr; |
| 1905 | } |
| 1906 | |
| 1907 | static void __core_clear_interrupt(struct venus_hfi_device *device) |
| 1908 | { |
| 1909 | u32 intr_status = 0; |
| 1910 | |
| 1911 | if (!device) { |
| 1912 | dprintk(VIDC_ERR, "%s: NULL device\n", __func__); |
| 1913 | return; |
| 1914 | } |
| 1915 | |
| 1916 | intr_status = __read_register(device, VIDC_WRAPPER_INTR_STATUS); |
| 1917 | |
| 1918 | if (intr_status & VIDC_WRAPPER_INTR_STATUS_A2H_BMSK || |
| 1919 | intr_status & VIDC_WRAPPER_INTR_STATUS_A2HWD_BMSK || |
| 1920 | intr_status & |
| 1921 | VIDC_CPU_CS_SCIACMDARG0_HFI_CTRL_INIT_IDLE_MSG_BMSK) { |
| 1922 | device->intr_status |= intr_status; |
| 1923 | device->reg_count++; |
| 1924 | dprintk(VIDC_DBG, |
| 1925 | "INTERRUPT for device: %pK: times: %d interrupt_status: %d\n", |
| 1926 | device, device->reg_count, intr_status); |
| 1927 | } else { |
| 1928 | device->spur_count++; |
| 1929 | dprintk(VIDC_INFO, |
| 1930 | "SPURIOUS_INTR for device: %pK: times: %d interrupt_status: %d\n", |
| 1931 | device, device->spur_count, intr_status); |
| 1932 | } |
| 1933 | |
| 1934 | __write_register(device, VIDC_CPU_CS_A2HSOFTINTCLR, 1); |
| 1935 | __write_register(device, VIDC_WRAPPER_INTR_CLEAR, intr_status); |
| 1936 | dprintk(VIDC_DBG, "Cleared WRAPPER/A2H interrupt\n"); |
| 1937 | } |
| 1938 | |
| 1939 | static int venus_hfi_core_ping(void *device) |
| 1940 | { |
| 1941 | struct hfi_cmd_sys_ping_packet pkt; |
| 1942 | int rc = 0; |
| 1943 | struct venus_hfi_device *dev; |
| 1944 | |
| 1945 | if (!device) { |
| 1946 | dprintk(VIDC_ERR, "invalid device\n"); |
| 1947 | return -ENODEV; |
| 1948 | } |
| 1949 | |
| 1950 | dev = device; |
| 1951 | mutex_lock(&dev->lock); |
| 1952 | |
| 1953 | rc = call_hfi_pkt_op(dev, sys_ping, &pkt); |
| 1954 | if (rc) { |
| 1955 | dprintk(VIDC_ERR, "core_ping: failed to create packet\n"); |
| 1956 | goto err_create_pkt; |
| 1957 | } |
| 1958 | |
| 1959 | if (__iface_cmdq_write(dev, &pkt)) |
| 1960 | rc = -ENOTEMPTY; |
| 1961 | |
| 1962 | err_create_pkt: |
| 1963 | mutex_unlock(&dev->lock); |
| 1964 | return rc; |
| 1965 | } |
| 1966 | |
| 1967 | static int venus_hfi_core_trigger_ssr(void *device, |
| 1968 | enum hal_ssr_trigger_type type) |
| 1969 | { |
| 1970 | struct hfi_cmd_sys_test_ssr_packet pkt; |
| 1971 | int rc = 0; |
| 1972 | struct venus_hfi_device *dev; |
| 1973 | |
| 1974 | if (!device) { |
| 1975 | dprintk(VIDC_ERR, "invalid device\n"); |
| 1976 | return -ENODEV; |
| 1977 | } |
| 1978 | |
| 1979 | dev = device; |
| 1980 | mutex_lock(&dev->lock); |
| 1981 | |
| 1982 | rc = call_hfi_pkt_op(dev, ssr_cmd, type, &pkt); |
| 1983 | if (rc) { |
| 1984 | dprintk(VIDC_ERR, "core_ping: failed to create packet\n"); |
| 1985 | goto err_create_pkt; |
| 1986 | } |
| 1987 | |
| 1988 | if (__iface_cmdq_write(dev, &pkt)) |
| 1989 | rc = -ENOTEMPTY; |
| 1990 | |
| 1991 | err_create_pkt: |
| 1992 | mutex_unlock(&dev->lock); |
| 1993 | return rc; |
| 1994 | } |
| 1995 | |
| 1996 | static int venus_hfi_session_set_property(void *sess, |
| 1997 | enum hal_property ptype, void *pdata) |
| 1998 | { |
| 1999 | u8 packet[VIDC_IFACEQ_VAR_LARGE_PKT_SIZE]; |
| 2000 | struct hfi_cmd_session_set_property_packet *pkt = |
| 2001 | (struct hfi_cmd_session_set_property_packet *) &packet; |
| 2002 | struct hal_session *session = sess; |
| 2003 | struct venus_hfi_device *device; |
| 2004 | int rc = 0; |
| 2005 | |
| 2006 | if (!session || !session->device || !pdata) { |
| 2007 | dprintk(VIDC_ERR, "Invalid Params\n"); |
| 2008 | return -EINVAL; |
| 2009 | } |
| 2010 | |
| 2011 | device = session->device; |
| 2012 | mutex_lock(&device->lock); |
| 2013 | |
| 2014 | dprintk(VIDC_INFO, "in set_prop,with prop id: %#x\n", ptype); |
| 2015 | |
| 2016 | rc = call_hfi_pkt_op(device, session_set_property, |
| 2017 | pkt, session, ptype, pdata); |
| 2018 | |
| 2019 | if (rc == -ENOTSUPP) { |
| 2020 | dprintk(VIDC_DBG, |
| 2021 | "set property: unsupported prop id: %#x\n", ptype); |
| 2022 | rc = 0; |
| 2023 | goto err_set_prop; |
| 2024 | } else if (rc) { |
| 2025 | dprintk(VIDC_ERR, "set property: failed to create packet\n"); |
| 2026 | rc = -EINVAL; |
| 2027 | goto err_set_prop; |
| 2028 | } |
| 2029 | |
| 2030 | if (__iface_cmdq_write(session->device, pkt)) { |
| 2031 | rc = -ENOTEMPTY; |
| 2032 | goto err_set_prop; |
| 2033 | } |
| 2034 | |
| 2035 | err_set_prop: |
| 2036 | mutex_unlock(&device->lock); |
| 2037 | return rc; |
| 2038 | } |
| 2039 | |
| 2040 | static int venus_hfi_session_get_property(void *sess, |
| 2041 | enum hal_property ptype) |
| 2042 | { |
| 2043 | struct hfi_cmd_session_get_property_packet pkt = {0}; |
| 2044 | struct hal_session *session = sess; |
| 2045 | int rc = 0; |
| 2046 | struct venus_hfi_device *device; |
| 2047 | |
| 2048 | if (!session || !session->device) { |
| 2049 | dprintk(VIDC_ERR, "Invalid Params\n"); |
| 2050 | return -EINVAL; |
| 2051 | } |
| 2052 | |
| 2053 | device = session->device; |
| 2054 | mutex_lock(&device->lock); |
| 2055 | |
| 2056 | dprintk(VIDC_INFO, "%s: property id: %d\n", __func__, ptype); |
| 2057 | |
| 2058 | rc = call_hfi_pkt_op(device, session_get_property, |
| 2059 | &pkt, session, ptype); |
| 2060 | if (rc) { |
| 2061 | dprintk(VIDC_ERR, "get property profile: pkt failed\n"); |
| 2062 | goto err_create_pkt; |
| 2063 | } |
| 2064 | |
| 2065 | if (__iface_cmdq_write(session->device, &pkt)) { |
| 2066 | rc = -ENOTEMPTY; |
| 2067 | dprintk(VIDC_ERR, "%s cmdq_write error\n", __func__); |
| 2068 | } |
| 2069 | |
| 2070 | err_create_pkt: |
| 2071 | mutex_unlock(&device->lock); |
| 2072 | return rc; |
| 2073 | } |
| 2074 | |
| 2075 | static void __set_default_sys_properties(struct venus_hfi_device *device) |
| 2076 | { |
| 2077 | if (__sys_set_debug(device, msm_vidc_fw_debug)) |
| 2078 | dprintk(VIDC_WARN, "Setting fw_debug msg ON failed\n"); |
| 2079 | if (__sys_set_idle_message(device, |
| 2080 | device->res->sys_idle_indicator || msm_vidc_sys_idle_indicator)) |
| 2081 | dprintk(VIDC_WARN, "Setting idle response ON failed\n"); |
| 2082 | if (__sys_set_power_control(device, msm_vidc_fw_low_power_mode)) |
| 2083 | dprintk(VIDC_WARN, "Setting h/w power collapse ON failed\n"); |
| 2084 | } |
| 2085 | |
| 2086 | static void __session_clean(struct hal_session *session) |
| 2087 | { |
| 2088 | dprintk(VIDC_DBG, "deleted the session: %pK\n", session); |
| 2089 | list_del(&session->list); |
| 2090 | /* Poison the session handle with zeros */ |
| 2091 | *session = (struct hal_session){ {0} }; |
| 2092 | kfree(session); |
| 2093 | } |
| 2094 | |
| 2095 | static int venus_hfi_session_clean(void *session) |
| 2096 | { |
| 2097 | struct hal_session *sess_close; |
| 2098 | struct venus_hfi_device *device; |
| 2099 | |
| 2100 | if (!session) { |
| 2101 | dprintk(VIDC_ERR, "Invalid Params %s\n", __func__); |
| 2102 | return -EINVAL; |
| 2103 | } |
| 2104 | |
| 2105 | sess_close = session; |
| 2106 | device = sess_close->device; |
| 2107 | |
| 2108 | if (!device) { |
| 2109 | dprintk(VIDC_ERR, "Invalid device handle %s\n", __func__); |
| 2110 | return -EINVAL; |
| 2111 | } |
| 2112 | |
| 2113 | mutex_lock(&device->lock); |
| 2114 | |
| 2115 | __session_clean(sess_close); |
| 2116 | |
| 2117 | mutex_unlock(&device->lock); |
| 2118 | return 0; |
| 2119 | } |
| 2120 | |
| 2121 | static int venus_hfi_session_init(void *device, void *session_id, |
| 2122 | enum hal_domain session_type, enum hal_video_codec codec_type, |
| 2123 | void **new_session) |
| 2124 | { |
| 2125 | struct hfi_cmd_sys_session_init_packet pkt; |
| 2126 | struct venus_hfi_device *dev; |
| 2127 | struct hal_session *s; |
| 2128 | |
| 2129 | if (!device || !new_session) { |
| 2130 | dprintk(VIDC_ERR, "%s - invalid input\n", __func__); |
| 2131 | return -EINVAL; |
| 2132 | } |
| 2133 | |
| 2134 | dev = device; |
| 2135 | mutex_lock(&dev->lock); |
| 2136 | |
| 2137 | s = kzalloc(sizeof(struct hal_session), GFP_KERNEL); |
| 2138 | if (!s) { |
| 2139 | dprintk(VIDC_ERR, "new session fail: Out of memory\n"); |
| 2140 | goto err_session_init_fail; |
| 2141 | } |
| 2142 | |
| 2143 | s->session_id = session_id; |
| 2144 | s->is_decoder = (session_type == HAL_VIDEO_DOMAIN_DECODER); |
| 2145 | s->device = dev; |
| 2146 | s->codec = codec_type; |
| 2147 | s->domain = session_type; |
| 2148 | dprintk(VIDC_DBG, |
| 2149 | "%s: inst %pK, session %pK, codec 0x%x, domain 0x%x\n", |
| 2150 | __func__, session_id, s, s->codec, s->domain); |
| 2151 | |
| 2152 | list_add_tail(&s->list, &dev->sess_head); |
| 2153 | |
| 2154 | __set_default_sys_properties(device); |
| 2155 | |
| 2156 | if (call_hfi_pkt_op(dev, session_init, &pkt, |
| 2157 | s, session_type, codec_type)) { |
| 2158 | dprintk(VIDC_ERR, "session_init: failed to create packet\n"); |
| 2159 | goto err_session_init_fail; |
| 2160 | } |
| 2161 | |
| 2162 | *new_session = s; |
| 2163 | if (__iface_cmdq_write(dev, &pkt)) |
| 2164 | goto err_session_init_fail; |
| 2165 | |
| 2166 | mutex_unlock(&dev->lock); |
| 2167 | return 0; |
| 2168 | |
| 2169 | err_session_init_fail: |
| 2170 | if (s) |
| 2171 | __session_clean(s); |
| 2172 | *new_session = NULL; |
| 2173 | mutex_unlock(&dev->lock); |
| 2174 | return -EINVAL; |
| 2175 | } |
| 2176 | |
| 2177 | static int __send_session_cmd(struct hal_session *session, int pkt_type) |
| 2178 | { |
| 2179 | struct vidc_hal_session_cmd_pkt pkt; |
| 2180 | int rc = 0; |
| 2181 | struct venus_hfi_device *device = session->device; |
| 2182 | |
| 2183 | rc = call_hfi_pkt_op(device, session_cmd, |
| 2184 | &pkt, pkt_type, session); |
| 2185 | if (rc == -EPERM) |
| 2186 | return 0; |
| 2187 | |
| 2188 | if (rc) { |
| 2189 | dprintk(VIDC_ERR, "send session cmd: create pkt failed\n"); |
| 2190 | goto err_create_pkt; |
| 2191 | } |
| 2192 | |
| 2193 | if (__iface_cmdq_write(session->device, &pkt)) |
| 2194 | rc = -ENOTEMPTY; |
| 2195 | |
| 2196 | err_create_pkt: |
| 2197 | return rc; |
| 2198 | } |
| 2199 | |
| 2200 | static int venus_hfi_session_end(void *session) |
| 2201 | { |
| 2202 | struct hal_session *sess; |
| 2203 | struct venus_hfi_device *device; |
| 2204 | int rc = 0; |
| 2205 | |
| 2206 | if (!session) { |
| 2207 | dprintk(VIDC_ERR, "Invalid Params %s\n", __func__); |
| 2208 | return -EINVAL; |
| 2209 | } |
| 2210 | |
| 2211 | sess = session; |
| 2212 | device = sess->device; |
| 2213 | |
| 2214 | mutex_lock(&device->lock); |
| 2215 | |
| 2216 | if (msm_vidc_fw_coverage) { |
| 2217 | if (__sys_set_coverage(sess->device, msm_vidc_fw_coverage)) |
| 2218 | dprintk(VIDC_WARN, "Fw_coverage msg ON failed\n"); |
| 2219 | } |
| 2220 | |
| 2221 | rc = __send_session_cmd(session, HFI_CMD_SYS_SESSION_END); |
| 2222 | |
| 2223 | mutex_unlock(&device->lock); |
| 2224 | |
| 2225 | return rc; |
| 2226 | } |
| 2227 | |
| 2228 | static int venus_hfi_session_abort(void *sess) |
| 2229 | { |
| 2230 | struct hal_session *session = sess; |
| 2231 | struct venus_hfi_device *device; |
| 2232 | int rc = 0; |
| 2233 | |
| 2234 | if (!session || !session->device) { |
| 2235 | dprintk(VIDC_ERR, "Invalid Params %s\n", __func__); |
| 2236 | return -EINVAL; |
| 2237 | } |
| 2238 | |
| 2239 | device = session->device; |
| 2240 | |
| 2241 | mutex_lock(&device->lock); |
| 2242 | |
| 2243 | __flush_debug_queue(device, NULL); |
| 2244 | rc = __send_session_cmd(session, HFI_CMD_SYS_SESSION_ABORT); |
| 2245 | |
| 2246 | mutex_unlock(&device->lock); |
| 2247 | |
| 2248 | return rc; |
| 2249 | } |
| 2250 | |
| 2251 | static int venus_hfi_session_set_buffers(void *sess, |
| 2252 | struct vidc_buffer_addr_info *buffer_info) |
| 2253 | { |
| 2254 | struct hfi_cmd_session_set_buffers_packet *pkt; |
| 2255 | u8 packet[VIDC_IFACEQ_VAR_LARGE_PKT_SIZE]; |
| 2256 | int rc = 0; |
| 2257 | struct hal_session *session = sess; |
| 2258 | struct venus_hfi_device *device; |
| 2259 | |
| 2260 | if (!session || !session->device || !buffer_info) { |
| 2261 | dprintk(VIDC_ERR, "Invalid Params\n"); |
| 2262 | return -EINVAL; |
| 2263 | } |
| 2264 | |
| 2265 | device = session->device; |
| 2266 | mutex_lock(&device->lock); |
| 2267 | |
| 2268 | if (buffer_info->buffer_type == HAL_BUFFER_INPUT) { |
| 2269 | /* |
| 2270 | * Hardware doesn't care about input buffers being |
| 2271 | * published beforehand |
| 2272 | */ |
| 2273 | rc = 0; |
| 2274 | goto err_create_pkt; |
| 2275 | } |
| 2276 | |
| 2277 | pkt = (struct hfi_cmd_session_set_buffers_packet *)packet; |
| 2278 | |
| 2279 | rc = call_hfi_pkt_op(device, session_set_buffers, |
| 2280 | pkt, session, buffer_info); |
| 2281 | if (rc) { |
| 2282 | dprintk(VIDC_ERR, "set buffers: failed to create packet\n"); |
| 2283 | goto err_create_pkt; |
| 2284 | } |
| 2285 | |
| 2286 | dprintk(VIDC_INFO, "set buffers: %#x\n", buffer_info->buffer_type); |
| 2287 | if (__iface_cmdq_write(session->device, pkt)) |
| 2288 | rc = -ENOTEMPTY; |
| 2289 | |
| 2290 | err_create_pkt: |
| 2291 | mutex_unlock(&device->lock); |
| 2292 | return rc; |
| 2293 | } |
| 2294 | |
| 2295 | static int venus_hfi_session_release_buffers(void *sess, |
| 2296 | struct vidc_buffer_addr_info *buffer_info) |
| 2297 | { |
| 2298 | struct hfi_cmd_session_release_buffer_packet *pkt; |
| 2299 | u8 packet[VIDC_IFACEQ_VAR_LARGE_PKT_SIZE]; |
| 2300 | int rc = 0; |
| 2301 | struct hal_session *session = sess; |
| 2302 | struct venus_hfi_device *device; |
| 2303 | |
| 2304 | if (!session || !session->device || !buffer_info) { |
| 2305 | dprintk(VIDC_ERR, "Invalid Params\n"); |
| 2306 | return -EINVAL; |
| 2307 | } |
| 2308 | |
| 2309 | device = session->device; |
| 2310 | mutex_lock(&device->lock); |
| 2311 | |
| 2312 | if (buffer_info->buffer_type == HAL_BUFFER_INPUT) { |
| 2313 | rc = 0; |
| 2314 | goto err_create_pkt; |
| 2315 | } |
| 2316 | |
| 2317 | pkt = (struct hfi_cmd_session_release_buffer_packet *) packet; |
| 2318 | |
| 2319 | rc = call_hfi_pkt_op(device, session_release_buffers, |
| 2320 | pkt, session, buffer_info); |
| 2321 | if (rc) { |
| 2322 | dprintk(VIDC_ERR, "release buffers: failed to create packet\n"); |
| 2323 | goto err_create_pkt; |
| 2324 | } |
| 2325 | |
| 2326 | dprintk(VIDC_INFO, "Release buffers: %#x\n", buffer_info->buffer_type); |
| 2327 | if (__iface_cmdq_write(session->device, pkt)) |
| 2328 | rc = -ENOTEMPTY; |
| 2329 | |
| 2330 | err_create_pkt: |
| 2331 | mutex_unlock(&device->lock); |
| 2332 | return rc; |
| 2333 | } |
| 2334 | |
| 2335 | static int venus_hfi_session_load_res(void *session) |
| 2336 | { |
| 2337 | struct hal_session *sess; |
| 2338 | struct venus_hfi_device *device; |
| 2339 | int rc = 0; |
| 2340 | |
| 2341 | if (!session) { |
| 2342 | dprintk(VIDC_ERR, "Invalid Params %s\n", __func__); |
| 2343 | return -EINVAL; |
| 2344 | } |
| 2345 | |
| 2346 | sess = session; |
| 2347 | device = sess->device; |
| 2348 | |
| 2349 | mutex_lock(&device->lock); |
| 2350 | rc = __send_session_cmd(sess, HFI_CMD_SESSION_LOAD_RESOURCES); |
| 2351 | mutex_unlock(&device->lock); |
| 2352 | |
| 2353 | return rc; |
| 2354 | } |
| 2355 | |
| 2356 | static int venus_hfi_session_release_res(void *session) |
| 2357 | { |
| 2358 | struct hal_session *sess; |
| 2359 | struct venus_hfi_device *device; |
| 2360 | int rc = 0; |
| 2361 | |
| 2362 | if (!session) { |
| 2363 | dprintk(VIDC_ERR, "Invalid Params %s\n", __func__); |
| 2364 | return -EINVAL; |
| 2365 | } |
| 2366 | |
| 2367 | sess = session; |
| 2368 | device = sess->device; |
| 2369 | |
| 2370 | mutex_lock(&device->lock); |
| 2371 | rc = __send_session_cmd(sess, HFI_CMD_SESSION_RELEASE_RESOURCES); |
| 2372 | mutex_unlock(&device->lock); |
| 2373 | |
| 2374 | return rc; |
| 2375 | } |
| 2376 | |
| 2377 | static int venus_hfi_session_start(void *session) |
| 2378 | { |
| 2379 | struct hal_session *sess; |
| 2380 | struct venus_hfi_device *device; |
| 2381 | int rc = 0; |
| 2382 | |
| 2383 | if (!session) { |
| 2384 | dprintk(VIDC_ERR, "Invalid Params %s\n", __func__); |
| 2385 | return -EINVAL; |
| 2386 | } |
| 2387 | |
| 2388 | sess = session; |
| 2389 | device = sess->device; |
| 2390 | |
| 2391 | mutex_lock(&device->lock); |
| 2392 | rc = __send_session_cmd(sess, HFI_CMD_SESSION_START); |
| 2393 | mutex_unlock(&device->lock); |
| 2394 | |
| 2395 | return rc; |
| 2396 | } |
| 2397 | |
| 2398 | static int venus_hfi_session_continue(void *session) |
| 2399 | { |
| 2400 | struct hal_session *sess; |
| 2401 | struct venus_hfi_device *device; |
| 2402 | int rc = 0; |
| 2403 | |
| 2404 | if (!session) { |
| 2405 | dprintk(VIDC_ERR, "Invalid Params %s\n", __func__); |
| 2406 | return -EINVAL; |
| 2407 | } |
| 2408 | |
| 2409 | sess = session; |
| 2410 | device = sess->device; |
| 2411 | |
| 2412 | mutex_lock(&device->lock); |
| 2413 | rc = __send_session_cmd(sess, HFI_CMD_SESSION_CONTINUE); |
| 2414 | mutex_unlock(&device->lock); |
| 2415 | |
| 2416 | return rc; |
| 2417 | } |
| 2418 | |
| 2419 | static int venus_hfi_session_stop(void *session) |
| 2420 | { |
| 2421 | struct hal_session *sess; |
| 2422 | struct venus_hfi_device *device; |
| 2423 | int rc = 0; |
| 2424 | |
| 2425 | if (!session) { |
| 2426 | dprintk(VIDC_ERR, "Invalid Params %s\n", __func__); |
| 2427 | return -EINVAL; |
| 2428 | } |
| 2429 | |
| 2430 | sess = session; |
| 2431 | device = sess->device; |
| 2432 | |
| 2433 | mutex_lock(&device->lock); |
| 2434 | rc = __send_session_cmd(sess, HFI_CMD_SESSION_STOP); |
| 2435 | mutex_unlock(&device->lock); |
| 2436 | |
| 2437 | return rc; |
| 2438 | } |
| 2439 | |
| 2440 | static int __session_etb(struct hal_session *session, |
| 2441 | struct vidc_frame_data *input_frame, bool relaxed) |
| 2442 | { |
| 2443 | int rc = 0; |
| 2444 | struct venus_hfi_device *device = session->device; |
| 2445 | |
| 2446 | if (session->is_decoder) { |
| 2447 | struct hfi_cmd_session_empty_buffer_compressed_packet pkt; |
| 2448 | |
| 2449 | rc = call_hfi_pkt_op(device, session_etb_decoder, |
| 2450 | &pkt, session, input_frame); |
| 2451 | if (rc) { |
| 2452 | dprintk(VIDC_ERR, |
| 2453 | "Session etb decoder: failed to create pkt\n"); |
| 2454 | goto err_create_pkt; |
| 2455 | } |
| 2456 | |
| 2457 | if (!relaxed) |
| 2458 | rc = __iface_cmdq_write(session->device, &pkt); |
| 2459 | else |
| 2460 | rc = __iface_cmdq_write_relaxed(session->device, |
| 2461 | &pkt, NULL); |
| 2462 | if (rc) |
| 2463 | goto err_create_pkt; |
| 2464 | } else { |
| 2465 | struct hfi_cmd_session_empty_buffer_uncompressed_plane0_packet |
| 2466 | pkt; |
| 2467 | |
| 2468 | rc = call_hfi_pkt_op(device, session_etb_encoder, |
| 2469 | &pkt, session, input_frame); |
| 2470 | if (rc) { |
| 2471 | dprintk(VIDC_ERR, |
| 2472 | "Session etb encoder: failed to create pkt\n"); |
| 2473 | goto err_create_pkt; |
| 2474 | } |
| 2475 | |
| 2476 | if (!relaxed) |
| 2477 | rc = __iface_cmdq_write(session->device, &pkt); |
| 2478 | else |
| 2479 | rc = __iface_cmdq_write_relaxed(session->device, |
| 2480 | &pkt, NULL); |
| 2481 | if (rc) |
| 2482 | goto err_create_pkt; |
| 2483 | } |
| 2484 | |
| 2485 | err_create_pkt: |
| 2486 | return rc; |
| 2487 | } |
| 2488 | |
| 2489 | static int venus_hfi_session_etb(void *sess, |
| 2490 | struct vidc_frame_data *input_frame) |
| 2491 | { |
| 2492 | int rc = 0; |
| 2493 | struct hal_session *session = sess; |
| 2494 | struct venus_hfi_device *device; |
| 2495 | |
| 2496 | if (!session || !session->device || !input_frame) { |
| 2497 | dprintk(VIDC_ERR, "Invalid Params\n"); |
| 2498 | return -EINVAL; |
| 2499 | } |
| 2500 | |
| 2501 | device = session->device; |
| 2502 | mutex_lock(&device->lock); |
| 2503 | rc = __session_etb(session, input_frame, false); |
| 2504 | mutex_unlock(&device->lock); |
| 2505 | return rc; |
| 2506 | } |
| 2507 | |
| 2508 | static int __session_ftb(struct hal_session *session, |
| 2509 | struct vidc_frame_data *output_frame, bool relaxed) |
| 2510 | { |
| 2511 | int rc = 0; |
| 2512 | struct venus_hfi_device *device = session->device; |
| 2513 | struct hfi_cmd_session_fill_buffer_packet pkt; |
| 2514 | |
| 2515 | rc = call_hfi_pkt_op(device, session_ftb, |
| 2516 | &pkt, session, output_frame); |
| 2517 | if (rc) { |
| 2518 | dprintk(VIDC_ERR, "Session ftb: failed to create pkt\n"); |
| 2519 | goto err_create_pkt; |
| 2520 | } |
| 2521 | |
| 2522 | if (!relaxed) |
| 2523 | rc = __iface_cmdq_write(session->device, &pkt); |
| 2524 | else |
| 2525 | rc = __iface_cmdq_write_relaxed(session->device, |
| 2526 | &pkt, NULL); |
| 2527 | |
| 2528 | err_create_pkt: |
| 2529 | return rc; |
| 2530 | } |
| 2531 | |
| 2532 | static int venus_hfi_session_ftb(void *sess, |
| 2533 | struct vidc_frame_data *output_frame) |
| 2534 | { |
| 2535 | int rc = 0; |
| 2536 | struct hal_session *session = sess; |
| 2537 | struct venus_hfi_device *device; |
| 2538 | |
| 2539 | if (!session || !session->device || !output_frame) { |
| 2540 | dprintk(VIDC_ERR, "Invalid Params\n"); |
| 2541 | return -EINVAL; |
| 2542 | } |
| 2543 | |
| 2544 | device = session->device; |
| 2545 | mutex_lock(&device->lock); |
| 2546 | rc = __session_ftb(session, output_frame, false); |
| 2547 | mutex_unlock(&device->lock); |
| 2548 | return rc; |
| 2549 | } |
| 2550 | |
| 2551 | static int venus_hfi_session_process_batch(void *sess, |
| 2552 | int num_etbs, struct vidc_frame_data etbs[], |
| 2553 | int num_ftbs, struct vidc_frame_data ftbs[]) |
| 2554 | { |
| 2555 | int rc = 0, c = 0; |
| 2556 | struct hal_session *session = sess; |
| 2557 | struct venus_hfi_device *device; |
| 2558 | struct hfi_cmd_session_sync_process_packet pkt; |
| 2559 | |
| 2560 | if (!session || !session->device) { |
| 2561 | dprintk(VIDC_ERR, "%s: Invalid Params\n", __func__); |
| 2562 | return -EINVAL; |
| 2563 | } |
| 2564 | |
| 2565 | device = session->device; |
| 2566 | |
| 2567 | mutex_lock(&device->lock); |
| 2568 | for (c = 0; c < num_ftbs; ++c) { |
| 2569 | rc = __session_ftb(session, &ftbs[c], true); |
| 2570 | if (rc) { |
| 2571 | dprintk(VIDC_ERR, "Failed to queue batched ftb: %d\n", |
| 2572 | rc); |
| 2573 | goto err_etbs_and_ftbs; |
| 2574 | } |
| 2575 | } |
| 2576 | |
| 2577 | for (c = 0; c < num_etbs; ++c) { |
| 2578 | rc = __session_etb(session, &etbs[c], true); |
| 2579 | if (rc) { |
| 2580 | dprintk(VIDC_ERR, "Failed to queue batched etb: %d\n", |
| 2581 | rc); |
| 2582 | goto err_etbs_and_ftbs; |
| 2583 | } |
| 2584 | } |
| 2585 | |
| 2586 | rc = call_hfi_pkt_op(device, session_sync_process, &pkt, session); |
| 2587 | if (rc) { |
| 2588 | dprintk(VIDC_ERR, "Failed to create sync packet\n"); |
| 2589 | goto err_etbs_and_ftbs; |
| 2590 | } |
| 2591 | |
| 2592 | if (__iface_cmdq_write(session->device, &pkt)) |
| 2593 | rc = -ENOTEMPTY; |
| 2594 | |
| 2595 | err_etbs_and_ftbs: |
| 2596 | mutex_unlock(&device->lock); |
| 2597 | return rc; |
| 2598 | } |
| 2599 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 2600 | static int venus_hfi_session_get_buf_req(void *sess) |
| 2601 | { |
| 2602 | struct hfi_cmd_session_get_property_packet pkt; |
| 2603 | int rc = 0; |
| 2604 | struct hal_session *session = sess; |
| 2605 | struct venus_hfi_device *device; |
| 2606 | |
| 2607 | if (!session || !session->device) { |
| 2608 | dprintk(VIDC_ERR, "invalid session"); |
| 2609 | return -ENODEV; |
| 2610 | } |
| 2611 | |
| 2612 | device = session->device; |
| 2613 | mutex_lock(&device->lock); |
| 2614 | |
| 2615 | rc = call_hfi_pkt_op(device, session_get_buf_req, |
| 2616 | &pkt, session); |
| 2617 | if (rc) { |
| 2618 | dprintk(VIDC_ERR, |
| 2619 | "Session get buf req: failed to create pkt\n"); |
| 2620 | goto err_create_pkt; |
| 2621 | } |
| 2622 | |
| 2623 | if (__iface_cmdq_write(session->device, &pkt)) |
| 2624 | rc = -ENOTEMPTY; |
| 2625 | err_create_pkt: |
| 2626 | mutex_unlock(&device->lock); |
| 2627 | return rc; |
| 2628 | } |
| 2629 | |
| 2630 | static int venus_hfi_session_flush(void *sess, enum hal_flush flush_mode) |
| 2631 | { |
| 2632 | struct hfi_cmd_session_flush_packet pkt; |
| 2633 | int rc = 0; |
| 2634 | struct hal_session *session = sess; |
| 2635 | struct venus_hfi_device *device; |
| 2636 | |
| 2637 | if (!session || !session->device) { |
| 2638 | dprintk(VIDC_ERR, "invalid session"); |
| 2639 | return -ENODEV; |
| 2640 | } |
| 2641 | |
| 2642 | device = session->device; |
| 2643 | mutex_lock(&device->lock); |
| 2644 | |
| 2645 | rc = call_hfi_pkt_op(device, session_flush, |
| 2646 | &pkt, session, flush_mode); |
| 2647 | if (rc) { |
| 2648 | dprintk(VIDC_ERR, "Session flush: failed to create pkt\n"); |
| 2649 | goto err_create_pkt; |
| 2650 | } |
| 2651 | |
| 2652 | if (__iface_cmdq_write(session->device, &pkt)) |
| 2653 | rc = -ENOTEMPTY; |
| 2654 | err_create_pkt: |
| 2655 | mutex_unlock(&device->lock); |
| 2656 | return rc; |
| 2657 | } |
| 2658 | |
| 2659 | static int __check_core_registered(struct hal_device_data core, |
| 2660 | phys_addr_t fw_addr, u8 *reg_addr, u32 reg_size, |
| 2661 | phys_addr_t irq) |
| 2662 | { |
| 2663 | struct venus_hfi_device *device; |
| 2664 | struct list_head *curr, *next; |
| 2665 | |
| 2666 | if (core.dev_count) { |
| 2667 | list_for_each_safe(curr, next, &core.dev_head) { |
| 2668 | device = list_entry(curr, |
| 2669 | struct venus_hfi_device, list); |
| 2670 | if (device && device->hal_data->irq == irq && |
| 2671 | (CONTAINS(device->hal_data-> |
| 2672 | firmware_base, |
| 2673 | FIRMWARE_SIZE, fw_addr) || |
| 2674 | CONTAINS(fw_addr, FIRMWARE_SIZE, |
| 2675 | device->hal_data-> |
| 2676 | firmware_base) || |
| 2677 | CONTAINS(device->hal_data-> |
| 2678 | register_base, |
| 2679 | reg_size, reg_addr) || |
| 2680 | CONTAINS(reg_addr, reg_size, |
| 2681 | device->hal_data-> |
| 2682 | register_base) || |
| 2683 | OVERLAPS(device->hal_data-> |
| 2684 | register_base, |
| 2685 | reg_size, reg_addr, reg_size) || |
| 2686 | OVERLAPS(reg_addr, reg_size, |
| 2687 | device->hal_data-> |
| 2688 | register_base, reg_size) || |
| 2689 | OVERLAPS(device->hal_data-> |
| 2690 | firmware_base, |
| 2691 | FIRMWARE_SIZE, fw_addr, |
| 2692 | FIRMWARE_SIZE) || |
| 2693 | OVERLAPS(fw_addr, FIRMWARE_SIZE, |
| 2694 | device->hal_data-> |
| 2695 | firmware_base, |
| 2696 | FIRMWARE_SIZE))) { |
| 2697 | return 0; |
| 2698 | } |
| 2699 | |
| 2700 | dprintk(VIDC_INFO, "Device not registered\n"); |
| 2701 | return -EINVAL; |
| 2702 | } |
| 2703 | } else { |
| 2704 | dprintk(VIDC_INFO, "no device Registered\n"); |
| 2705 | } |
| 2706 | |
| 2707 | return -EINVAL; |
| 2708 | } |
| 2709 | |
| 2710 | static void __process_fatal_error( |
| 2711 | struct venus_hfi_device *device) |
| 2712 | { |
| 2713 | struct msm_vidc_cb_cmd_done cmd_done = {0}; |
| 2714 | |
| 2715 | cmd_done.device_id = device->device_id; |
| 2716 | device->callback(HAL_SYS_ERROR, &cmd_done); |
| 2717 | } |
| 2718 | |
| 2719 | static int __prepare_pc(struct venus_hfi_device *device) |
| 2720 | { |
| 2721 | int rc = 0; |
| 2722 | struct hfi_cmd_sys_pc_prep_packet pkt; |
| 2723 | |
| 2724 | rc = call_hfi_pkt_op(device, sys_pc_prep, &pkt); |
| 2725 | if (rc) { |
| 2726 | dprintk(VIDC_ERR, "Failed to create sys pc prep pkt\n"); |
| 2727 | goto err_pc_prep; |
| 2728 | } |
| 2729 | |
| 2730 | if (__iface_cmdq_write(device, &pkt)) |
| 2731 | rc = -ENOTEMPTY; |
| 2732 | if (rc) |
| 2733 | dprintk(VIDC_ERR, "Failed to prepare venus for power off"); |
| 2734 | err_pc_prep: |
| 2735 | return rc; |
| 2736 | } |
| 2737 | |
| 2738 | static void venus_hfi_pm_handler(struct work_struct *work) |
| 2739 | { |
| 2740 | int rc = 0; |
| 2741 | u32 wfi_status = 0, idle_status = 0, pc_ready = 0; |
| 2742 | int count = 0; |
Praneeth Paladugu | f3a8e5f | 2016-12-14 11:04:17 -0800 | [diff] [blame] | 2743 | const int max_tries = 10; |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 2744 | struct venus_hfi_device *device = list_first_entry( |
| 2745 | &hal_ctxt.dev_head, struct venus_hfi_device, list); |
| 2746 | |
| 2747 | if (!device) { |
| 2748 | dprintk(VIDC_ERR, "%s: NULL device\n", __func__); |
| 2749 | return; |
| 2750 | } |
| 2751 | |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 2752 | dprintk(VIDC_PROF, |
| 2753 | "Entering venus_hfi_pm_handler\n"); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 2754 | /* |
| 2755 | * It is ok to check this variable outside the lock since |
| 2756 | * it is being updated in this context only |
| 2757 | */ |
| 2758 | if (device->skip_pc_count >= VIDC_MAX_PC_SKIP_COUNT) { |
| 2759 | dprintk(VIDC_WARN, "Failed to PC for %d times\n", |
| 2760 | device->skip_pc_count); |
| 2761 | device->skip_pc_count = 0; |
| 2762 | __process_fatal_error(device); |
| 2763 | return; |
| 2764 | } |
| 2765 | mutex_lock(&device->lock); |
| 2766 | if (!device->power_enabled) { |
| 2767 | dprintk(VIDC_DBG, "%s: Power already disabled\n", |
| 2768 | __func__); |
| 2769 | goto exit; |
| 2770 | } |
| 2771 | |
| 2772 | rc = __core_in_valid_state(device); |
| 2773 | if (!rc) { |
| 2774 | dprintk(VIDC_WARN, |
| 2775 | "Core is in bad state, Skipping power collapse\n"); |
| 2776 | goto skip_power_off; |
| 2777 | } |
| 2778 | pc_ready = __read_register(device, VIDC_CPU_CS_SCIACMDARG0) & |
| 2779 | VIDC_CPU_CS_SCIACMDARG0_HFI_CTRL_PC_READY; |
| 2780 | if (!pc_ready) { |
| 2781 | wfi_status = __read_register(device, |
| 2782 | VIDC_WRAPPER_CPU_STATUS); |
| 2783 | idle_status = __read_register(device, |
| 2784 | VIDC_CPU_CS_SCIACMDARG0); |
Maheshwar Ajja | 79c2eb8 | 2017-04-14 12:23:34 -0700 | [diff] [blame] | 2785 | if (!(wfi_status & BIT(0))) { |
| 2786 | dprintk(VIDC_WARN, |
| 2787 | "Skipping PC as wfi_status (%#x) bit not set\n", |
| 2788 | wfi_status); |
| 2789 | goto skip_power_off; |
| 2790 | } |
| 2791 | if (device->res->sys_idle_indicator && |
| 2792 | !(idle_status & BIT(30))) { |
| 2793 | dprintk(VIDC_WARN, |
| 2794 | "Skipping PC as idle_status (%#x) bit not set\n", |
| 2795 | idle_status); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 2796 | goto skip_power_off; |
| 2797 | } |
| 2798 | |
| 2799 | rc = __prepare_pc(device); |
| 2800 | if (rc) { |
| 2801 | dprintk(VIDC_WARN, "Failed PC %d\n", rc); |
| 2802 | goto skip_power_off; |
| 2803 | } |
| 2804 | |
| 2805 | while (count < max_tries) { |
| 2806 | wfi_status = __read_register(device, |
| 2807 | VIDC_WRAPPER_CPU_STATUS); |
| 2808 | pc_ready = __read_register(device, |
| 2809 | VIDC_CPU_CS_SCIACMDARG0); |
| 2810 | if ((wfi_status & BIT(0)) && (pc_ready & |
| 2811 | VIDC_CPU_CS_SCIACMDARG0_HFI_CTRL_PC_READY)) |
| 2812 | break; |
Praneeth Paladugu | f3a8e5f | 2016-12-14 11:04:17 -0800 | [diff] [blame] | 2813 | usleep_range(150, 250); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 2814 | count++; |
| 2815 | } |
| 2816 | |
| 2817 | if (count == max_tries) { |
| 2818 | dprintk(VIDC_ERR, |
| 2819 | "Skip PC. Core is not in right state (%#x, %#x)\n", |
| 2820 | wfi_status, pc_ready); |
| 2821 | goto skip_power_off; |
| 2822 | } |
| 2823 | } |
| 2824 | |
| 2825 | rc = __suspend(device); |
| 2826 | if (rc) |
| 2827 | dprintk(VIDC_ERR, "Failed venus power off\n"); |
| 2828 | |
| 2829 | /* Cancel pending delayed works if any */ |
| 2830 | cancel_delayed_work(&venus_hfi_pm_work); |
| 2831 | device->skip_pc_count = 0; |
| 2832 | |
| 2833 | mutex_unlock(&device->lock); |
| 2834 | return; |
| 2835 | |
| 2836 | skip_power_off: |
| 2837 | device->skip_pc_count++; |
| 2838 | dprintk(VIDC_WARN, "Skip PC(%d, %#x, %#x, %#x)\n", |
| 2839 | device->skip_pc_count, wfi_status, idle_status, pc_ready); |
| 2840 | queue_delayed_work(device->venus_pm_workq, |
| 2841 | &venus_hfi_pm_work, |
| 2842 | msecs_to_jiffies(msm_vidc_pwr_collapse_delay)); |
| 2843 | exit: |
| 2844 | mutex_unlock(&device->lock); |
| 2845 | } |
| 2846 | |
| 2847 | static void __process_sys_error(struct venus_hfi_device *device) |
| 2848 | { |
| 2849 | struct hfi_sfr_struct *vsfr = NULL; |
| 2850 | |
| 2851 | __set_state(device, VENUS_STATE_DEINIT); |
| 2852 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 2853 | vsfr = (struct hfi_sfr_struct *)device->sfr.align_virtual_addr; |
| 2854 | if (vsfr) { |
| 2855 | void *p = memchr(vsfr->rg_data, '\0', vsfr->bufSize); |
| 2856 | /* |
| 2857 | * SFR isn't guaranteed to be NULL terminated |
| 2858 | * since SYS_ERROR indicates that Venus is in the |
| 2859 | * process of crashing. |
| 2860 | */ |
| 2861 | if (p == NULL) |
| 2862 | vsfr->rg_data[vsfr->bufSize - 1] = '\0'; |
| 2863 | |
| 2864 | dprintk(VIDC_ERR, "SFR Message from FW: %s\n", |
| 2865 | vsfr->rg_data); |
| 2866 | } |
| 2867 | } |
| 2868 | |
| 2869 | static void __flush_debug_queue(struct venus_hfi_device *device, u8 *packet) |
| 2870 | { |
| 2871 | bool local_packet = false; |
| 2872 | enum vidc_msg_prio log_level = VIDC_FW; |
| 2873 | |
| 2874 | if (!device) { |
| 2875 | dprintk(VIDC_ERR, "%s: Invalid params\n", __func__); |
| 2876 | return; |
| 2877 | } |
| 2878 | |
| 2879 | if (!packet) { |
| 2880 | packet = kzalloc(VIDC_IFACEQ_VAR_HUGE_PKT_SIZE, GFP_TEMPORARY); |
| 2881 | if (!packet) { |
| 2882 | dprintk(VIDC_ERR, "In %s() Fail to allocate mem\n", |
| 2883 | __func__); |
| 2884 | return; |
| 2885 | } |
| 2886 | |
| 2887 | local_packet = true; |
| 2888 | |
| 2889 | /* |
| 2890 | * Local packek is used when something FATAL occurred. |
| 2891 | * It is good to print these logs by default. |
| 2892 | */ |
| 2893 | |
| 2894 | log_level = VIDC_ERR; |
| 2895 | } |
| 2896 | |
| 2897 | while (!__iface_dbgq_read(device, packet)) { |
| 2898 | struct hfi_msg_sys_coverage_packet *pkt = |
| 2899 | (struct hfi_msg_sys_coverage_packet *) packet; |
| 2900 | |
| 2901 | if (pkt->packet_type == HFI_MSG_SYS_COV) { |
| 2902 | int stm_size = 0; |
| 2903 | |
| 2904 | stm_size = stm_log_inv_ts(0, 0, |
| 2905 | pkt->rg_msg_data, pkt->msg_size); |
| 2906 | if (stm_size == 0) |
| 2907 | dprintk(VIDC_ERR, |
| 2908 | "In %s, stm_log returned size of 0\n", |
| 2909 | __func__); |
| 2910 | } else { |
| 2911 | struct hfi_msg_sys_debug_packet *pkt = |
| 2912 | (struct hfi_msg_sys_debug_packet *) packet; |
| 2913 | dprintk(log_level, "%s", pkt->rg_msg_data); |
| 2914 | } |
| 2915 | } |
| 2916 | |
| 2917 | if (local_packet) |
| 2918 | kfree(packet); |
| 2919 | } |
| 2920 | |
| 2921 | static struct hal_session *__get_session(struct venus_hfi_device *device, |
| 2922 | u32 session_id) |
| 2923 | { |
| 2924 | struct hal_session *temp = NULL; |
| 2925 | |
| 2926 | list_for_each_entry(temp, &device->sess_head, list) { |
| 2927 | if (session_id == hash32_ptr(temp)) |
| 2928 | return temp; |
| 2929 | } |
| 2930 | |
| 2931 | return NULL; |
| 2932 | } |
| 2933 | |
| 2934 | static int __response_handler(struct venus_hfi_device *device) |
| 2935 | { |
| 2936 | struct msm_vidc_cb_info *packets; |
| 2937 | int packet_count = 0; |
| 2938 | u8 *raw_packet = NULL; |
| 2939 | bool requeue_pm_work = true; |
| 2940 | |
| 2941 | if (!device || device->state != VENUS_STATE_INIT) |
| 2942 | return 0; |
| 2943 | |
| 2944 | packets = device->response_pkt; |
| 2945 | |
| 2946 | raw_packet = device->raw_packet; |
| 2947 | |
| 2948 | if (!raw_packet || !packets) { |
| 2949 | dprintk(VIDC_ERR, |
| 2950 | "%s: Invalid args : Res packet = %p, Raw packet = %p\n", |
| 2951 | __func__, packets, raw_packet); |
| 2952 | return 0; |
| 2953 | } |
| 2954 | |
| 2955 | if (device->intr_status & VIDC_WRAPPER_INTR_CLEAR_A2HWD_BMSK) { |
| 2956 | struct hfi_sfr_struct *vsfr = (struct hfi_sfr_struct *) |
| 2957 | device->sfr.align_virtual_addr; |
| 2958 | struct msm_vidc_cb_info info = { |
| 2959 | .response_type = HAL_SYS_WATCHDOG_TIMEOUT, |
| 2960 | .response.cmd = { |
| 2961 | .device_id = device->device_id, |
| 2962 | } |
| 2963 | }; |
| 2964 | |
| 2965 | if (vsfr) |
| 2966 | dprintk(VIDC_ERR, "SFR Message from FW: %s\n", |
| 2967 | vsfr->rg_data); |
| 2968 | |
| 2969 | dprintk(VIDC_ERR, "Received watchdog timeout\n"); |
| 2970 | packets[packet_count++] = info; |
| 2971 | goto exit; |
| 2972 | } |
| 2973 | |
| 2974 | /* Bleed the msg queue dry of packets */ |
| 2975 | while (!__iface_msgq_read(device, raw_packet)) { |
| 2976 | void **session_id = NULL; |
| 2977 | struct msm_vidc_cb_info *info = &packets[packet_count++]; |
| 2978 | struct vidc_hal_sys_init_done sys_init_done = {0}; |
| 2979 | int rc = 0; |
| 2980 | |
| 2981 | rc = hfi_process_msg_packet(device->device_id, |
| 2982 | (struct vidc_hal_msg_pkt_hdr *)raw_packet, info); |
| 2983 | if (rc) { |
| 2984 | dprintk(VIDC_WARN, |
| 2985 | "Corrupt/unknown packet found, discarding\n"); |
| 2986 | --packet_count; |
| 2987 | continue; |
| 2988 | } |
| 2989 | |
| 2990 | /* Process the packet types that we're interested in */ |
| 2991 | switch (info->response_type) { |
| 2992 | case HAL_SYS_ERROR: |
| 2993 | __process_sys_error(device); |
| 2994 | break; |
| 2995 | case HAL_SYS_RELEASE_RESOURCE_DONE: |
| 2996 | dprintk(VIDC_DBG, "Received SYS_RELEASE_RESOURCE\n"); |
| 2997 | break; |
| 2998 | case HAL_SYS_INIT_DONE: |
| 2999 | dprintk(VIDC_DBG, "Received SYS_INIT_DONE\n"); |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 3000 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3001 | sys_init_done.capabilities = |
| 3002 | device->sys_init_capabilities; |
| 3003 | hfi_process_sys_init_done_prop_read( |
| 3004 | (struct hfi_msg_sys_init_done_packet *) |
| 3005 | raw_packet, &sys_init_done); |
| 3006 | info->response.cmd.data.sys_init_done = sys_init_done; |
| 3007 | break; |
| 3008 | case HAL_SESSION_LOAD_RESOURCE_DONE: |
| 3009 | /* |
| 3010 | * Work around for H/W bug, need to re-program these |
| 3011 | * registers as part of a handshake agreement with the |
| 3012 | * firmware. This strictly only needs to be done for |
| 3013 | * decoder secure sessions, but there's no harm in doing |
| 3014 | * so for all sessions as it's at worst a NO-OP. |
| 3015 | */ |
| 3016 | __set_threshold_registers(device); |
| 3017 | break; |
| 3018 | default: |
| 3019 | break; |
| 3020 | } |
| 3021 | |
| 3022 | /* For session-related packets, validate session */ |
| 3023 | switch (info->response_type) { |
| 3024 | case HAL_SESSION_LOAD_RESOURCE_DONE: |
| 3025 | case HAL_SESSION_INIT_DONE: |
| 3026 | case HAL_SESSION_END_DONE: |
| 3027 | case HAL_SESSION_ABORT_DONE: |
| 3028 | case HAL_SESSION_START_DONE: |
| 3029 | case HAL_SESSION_STOP_DONE: |
| 3030 | case HAL_SESSION_FLUSH_DONE: |
| 3031 | case HAL_SESSION_SUSPEND_DONE: |
| 3032 | case HAL_SESSION_RESUME_DONE: |
| 3033 | case HAL_SESSION_SET_PROP_DONE: |
| 3034 | case HAL_SESSION_GET_PROP_DONE: |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3035 | case HAL_SESSION_RELEASE_BUFFER_DONE: |
| 3036 | case HAL_SESSION_RELEASE_RESOURCE_DONE: |
| 3037 | case HAL_SESSION_PROPERTY_INFO: |
| 3038 | session_id = &info->response.cmd.session_id; |
| 3039 | break; |
| 3040 | case HAL_SESSION_ERROR: |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3041 | case HAL_SESSION_ETB_DONE: |
| 3042 | case HAL_SESSION_FTB_DONE: |
| 3043 | session_id = &info->response.data.session_id; |
| 3044 | break; |
| 3045 | case HAL_SESSION_EVENT_CHANGE: |
| 3046 | session_id = &info->response.event.session_id; |
| 3047 | break; |
| 3048 | case HAL_RESPONSE_UNUSED: |
| 3049 | default: |
| 3050 | session_id = NULL; |
| 3051 | break; |
| 3052 | } |
| 3053 | |
| 3054 | /* |
| 3055 | * hfi_process_msg_packet provides a session_id that's a hashed |
| 3056 | * value of struct hal_session, we need to coerce the hashed |
| 3057 | * value back to pointer that we can use. Ideally, hfi_process\ |
| 3058 | * _msg_packet should take care of this, but it doesn't have |
| 3059 | * required information for it |
| 3060 | */ |
| 3061 | if (session_id) { |
| 3062 | struct hal_session *session = NULL; |
| 3063 | |
| 3064 | WARN_ON(upper_32_bits((uintptr_t)*session_id) != 0); |
| 3065 | session = __get_session(device, |
| 3066 | (u32)(uintptr_t)*session_id); |
| 3067 | if (!session) { |
| 3068 | dprintk(VIDC_ERR, |
| 3069 | "Received a packet (%#x) for an unrecognized session (%pK), discarding\n", |
| 3070 | info->response_type, |
| 3071 | *session_id); |
| 3072 | --packet_count; |
| 3073 | continue; |
| 3074 | } |
| 3075 | |
| 3076 | *session_id = session->session_id; |
| 3077 | } |
| 3078 | |
| 3079 | if (packet_count >= max_packets && |
| 3080 | __get_q_size(device, VIDC_IFACEQ_MSGQ_IDX)) { |
| 3081 | dprintk(VIDC_WARN, |
| 3082 | "Too many packets in message queue to handle at once, deferring read\n"); |
| 3083 | break; |
| 3084 | } |
| 3085 | } |
| 3086 | |
| 3087 | if (requeue_pm_work && device->res->sw_power_collapsible) { |
| 3088 | cancel_delayed_work(&venus_hfi_pm_work); |
| 3089 | if (!queue_delayed_work(device->venus_pm_workq, |
| 3090 | &venus_hfi_pm_work, |
| 3091 | msecs_to_jiffies(msm_vidc_pwr_collapse_delay))) { |
| 3092 | dprintk(VIDC_ERR, "PM work already scheduled\n"); |
| 3093 | } |
| 3094 | } |
| 3095 | |
| 3096 | exit: |
| 3097 | __flush_debug_queue(device, raw_packet); |
| 3098 | |
| 3099 | return packet_count; |
| 3100 | } |
| 3101 | |
| 3102 | static void venus_hfi_core_work_handler(struct work_struct *work) |
| 3103 | { |
| 3104 | struct venus_hfi_device *device = list_first_entry( |
| 3105 | &hal_ctxt.dev_head, struct venus_hfi_device, list); |
| 3106 | int num_responses = 0, i = 0; |
| 3107 | u32 intr_status; |
| 3108 | |
| 3109 | mutex_lock(&device->lock); |
| 3110 | |
| 3111 | dprintk(VIDC_INFO, "Handling interrupt\n"); |
| 3112 | |
| 3113 | if (!__core_in_valid_state(device)) { |
| 3114 | dprintk(VIDC_DBG, "%s - Core not in init state\n", __func__); |
| 3115 | goto err_no_work; |
| 3116 | } |
| 3117 | |
| 3118 | if (!device->callback) { |
| 3119 | dprintk(VIDC_ERR, "No interrupt callback function: %pK\n", |
| 3120 | device); |
| 3121 | goto err_no_work; |
| 3122 | } |
| 3123 | |
| 3124 | if (__resume(device)) { |
| 3125 | dprintk(VIDC_ERR, "%s: Power enable failed\n", __func__); |
| 3126 | goto err_no_work; |
| 3127 | } |
| 3128 | |
| 3129 | __core_clear_interrupt(device); |
| 3130 | num_responses = __response_handler(device); |
| 3131 | |
| 3132 | err_no_work: |
| 3133 | |
| 3134 | /* Keep the interrupt status before releasing device lock */ |
| 3135 | intr_status = device->intr_status; |
| 3136 | mutex_unlock(&device->lock); |
| 3137 | |
| 3138 | /* |
| 3139 | * Issue the callbacks outside of the locked contex to preserve |
| 3140 | * re-entrancy. |
| 3141 | */ |
| 3142 | |
| 3143 | for (i = 0; !IS_ERR_OR_NULL(device->response_pkt) && |
| 3144 | i < num_responses; ++i) { |
| 3145 | struct msm_vidc_cb_info *r = &device->response_pkt[i]; |
| 3146 | |
| 3147 | device->callback(r->response_type, &r->response); |
| 3148 | } |
| 3149 | |
| 3150 | /* We need re-enable the irq which was disabled in ISR handler */ |
| 3151 | if (!(intr_status & VIDC_WRAPPER_INTR_STATUS_A2HWD_BMSK)) |
| 3152 | enable_irq(device->hal_data->irq); |
| 3153 | |
| 3154 | /* |
| 3155 | * XXX: Don't add any code beyond here. Reacquiring locks after release |
| 3156 | * it above doesn't guarantee the atomicity that we're aiming for. |
| 3157 | */ |
| 3158 | } |
| 3159 | |
| 3160 | static DECLARE_WORK(venus_hfi_work, venus_hfi_core_work_handler); |
| 3161 | |
| 3162 | static irqreturn_t venus_hfi_isr(int irq, void *dev) |
| 3163 | { |
| 3164 | struct venus_hfi_device *device = dev; |
| 3165 | |
| 3166 | dprintk(VIDC_INFO, "Received an interrupt %d\n", irq); |
| 3167 | disable_irq_nosync(irq); |
| 3168 | queue_work(device->vidc_workq, &venus_hfi_work); |
| 3169 | return IRQ_HANDLED; |
| 3170 | } |
| 3171 | |
| 3172 | static int __init_regs_and_interrupts(struct venus_hfi_device *device, |
| 3173 | struct msm_vidc_platform_resources *res) |
| 3174 | { |
| 3175 | struct hal_data *hal = NULL; |
| 3176 | int rc = 0; |
| 3177 | |
| 3178 | rc = __check_core_registered(hal_ctxt, res->firmware_base, |
| 3179 | (u8 *)(uintptr_t)res->register_base, |
| 3180 | res->register_size, res->irq); |
| 3181 | if (!rc) { |
| 3182 | dprintk(VIDC_ERR, "Core present/Already added\n"); |
| 3183 | rc = -EEXIST; |
| 3184 | goto err_core_init; |
| 3185 | } |
| 3186 | |
| 3187 | dprintk(VIDC_DBG, "HAL_DATA will be assigned now\n"); |
| 3188 | hal = (struct hal_data *) |
| 3189 | kzalloc(sizeof(struct hal_data), GFP_KERNEL); |
| 3190 | if (!hal) { |
| 3191 | dprintk(VIDC_ERR, "Failed to alloc\n"); |
| 3192 | rc = -ENOMEM; |
| 3193 | goto err_core_init; |
| 3194 | } |
| 3195 | |
| 3196 | hal->irq = res->irq; |
| 3197 | hal->firmware_base = res->firmware_base; |
| 3198 | hal->register_base = devm_ioremap_nocache(&res->pdev->dev, |
| 3199 | res->register_base, res->register_size); |
| 3200 | hal->register_size = res->register_size; |
| 3201 | if (!hal->register_base) { |
| 3202 | dprintk(VIDC_ERR, |
| 3203 | "could not map reg addr %pa of size %d\n", |
| 3204 | &res->register_base, res->register_size); |
| 3205 | goto error_irq_fail; |
| 3206 | } |
| 3207 | |
| 3208 | device->hal_data = hal; |
| 3209 | rc = request_irq(res->irq, venus_hfi_isr, IRQF_TRIGGER_HIGH, |
| 3210 | "msm_vidc", device); |
| 3211 | if (unlikely(rc)) { |
| 3212 | dprintk(VIDC_ERR, "() :request_irq failed\n"); |
| 3213 | goto error_irq_fail; |
| 3214 | } |
| 3215 | |
| 3216 | disable_irq_nosync(res->irq); |
| 3217 | dprintk(VIDC_INFO, |
| 3218 | "firmware_base = %pa, register_base = %pa, register_size = %d\n", |
| 3219 | &res->firmware_base, &res->register_base, |
| 3220 | res->register_size); |
| 3221 | return rc; |
| 3222 | |
| 3223 | error_irq_fail: |
| 3224 | kfree(hal); |
| 3225 | err_core_init: |
| 3226 | return rc; |
| 3227 | |
| 3228 | } |
| 3229 | |
| 3230 | static inline void __deinit_clocks(struct venus_hfi_device *device) |
| 3231 | { |
| 3232 | struct clock_info *cl; |
| 3233 | |
| 3234 | device->clk_freq = 0; |
| 3235 | venus_hfi_for_each_clock_reverse(device, cl) { |
| 3236 | if (cl->clk) { |
| 3237 | clk_put(cl->clk); |
| 3238 | cl->clk = NULL; |
| 3239 | } |
| 3240 | } |
| 3241 | } |
| 3242 | |
| 3243 | static inline int __init_clocks(struct venus_hfi_device *device) |
| 3244 | { |
| 3245 | int rc = 0; |
| 3246 | struct clock_info *cl = NULL; |
| 3247 | |
| 3248 | if (!device) { |
| 3249 | dprintk(VIDC_ERR, "Invalid params: %pK\n", device); |
| 3250 | return -EINVAL; |
| 3251 | } |
| 3252 | |
| 3253 | venus_hfi_for_each_clock(device, cl) { |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3254 | |
| 3255 | dprintk(VIDC_DBG, "%s: scalable? %d, count %d\n", |
| 3256 | cl->name, cl->has_scaling, cl->count); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3257 | } |
| 3258 | |
| 3259 | venus_hfi_for_each_clock(device, cl) { |
| 3260 | if (!cl->clk) { |
| 3261 | cl->clk = clk_get(&device->res->pdev->dev, cl->name); |
| 3262 | if (IS_ERR_OR_NULL(cl->clk)) { |
| 3263 | dprintk(VIDC_ERR, |
| 3264 | "Failed to get clock: %s\n", cl->name); |
| 3265 | rc = PTR_ERR(cl->clk) ?: -EINVAL; |
| 3266 | cl->clk = NULL; |
| 3267 | goto err_clk_get; |
| 3268 | } |
| 3269 | } |
| 3270 | } |
| 3271 | device->clk_freq = 0; |
| 3272 | return 0; |
| 3273 | |
| 3274 | err_clk_get: |
| 3275 | __deinit_clocks(device); |
| 3276 | return rc; |
| 3277 | } |
| 3278 | |
| 3279 | |
| 3280 | static inline void __disable_unprepare_clks(struct venus_hfi_device *device) |
| 3281 | { |
| 3282 | struct clock_info *cl; |
Praneeth Paladugu | 03edb08 | 2017-04-17 10:31:14 -0700 | [diff] [blame] | 3283 | int rc = 0; |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3284 | |
| 3285 | if (!device) { |
| 3286 | dprintk(VIDC_ERR, "Invalid params: %pK\n", device); |
| 3287 | return; |
| 3288 | } |
| 3289 | |
| 3290 | venus_hfi_for_each_clock_reverse(device, cl) { |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3291 | dprintk(VIDC_DBG, "Clock: %s disable and unprepare\n", |
| 3292 | cl->name); |
Praneeth Paladugu | 03edb08 | 2017-04-17 10:31:14 -0700 | [diff] [blame] | 3293 | rc = clk_set_flags(cl->clk, CLKFLAG_NORETAIN_PERIPH); |
| 3294 | if (rc) { |
| 3295 | dprintk(VIDC_WARN, |
| 3296 | "Failed set flag NORETAIN_PERIPH %s\n", |
| 3297 | cl->name); |
| 3298 | } |
| 3299 | rc = clk_set_flags(cl->clk, CLKFLAG_NORETAIN_MEM); |
| 3300 | if (rc) { |
| 3301 | dprintk(VIDC_WARN, |
| 3302 | "Failed set flag NORETAIN_MEM %s\n", |
| 3303 | cl->name); |
| 3304 | } |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3305 | clk_disable_unprepare(cl->clk); |
| 3306 | } |
| 3307 | } |
| 3308 | |
| 3309 | static inline int __prepare_enable_clks(struct venus_hfi_device *device) |
| 3310 | { |
| 3311 | struct clock_info *cl = NULL, *cl_fail = NULL; |
| 3312 | int rc = 0, c = 0; |
| 3313 | |
| 3314 | if (!device) { |
| 3315 | dprintk(VIDC_ERR, "Invalid params: %pK\n", device); |
| 3316 | return -EINVAL; |
| 3317 | } |
| 3318 | |
| 3319 | venus_hfi_for_each_clock(device, cl) { |
| 3320 | /* |
| 3321 | * For the clocks we control, set the rate prior to preparing |
| 3322 | * them. Since we don't really have a load at this point, scale |
| 3323 | * it to the lowest frequency possible |
| 3324 | */ |
| 3325 | if (cl->has_scaling) |
| 3326 | clk_set_rate(cl->clk, clk_round_rate(cl->clk, 0)); |
| 3327 | |
Praneeth Paladugu | 03edb08 | 2017-04-17 10:31:14 -0700 | [diff] [blame] | 3328 | rc = clk_set_flags(cl->clk, CLKFLAG_RETAIN_PERIPH); |
| 3329 | if (rc) { |
| 3330 | dprintk(VIDC_WARN, |
| 3331 | "Failed set flag RETAIN_PERIPH %s\n", |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3332 | cl->name); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3333 | } |
Praneeth Paladugu | 03edb08 | 2017-04-17 10:31:14 -0700 | [diff] [blame] | 3334 | rc = clk_set_flags(cl->clk, CLKFLAG_RETAIN_MEM); |
| 3335 | if (rc) { |
| 3336 | dprintk(VIDC_WARN, |
| 3337 | "Failed set flag RETAIN_MEM %s\n", |
| 3338 | cl->name); |
| 3339 | } |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3340 | rc = clk_prepare_enable(cl->clk); |
| 3341 | if (rc) { |
| 3342 | dprintk(VIDC_ERR, "Failed to enable clocks\n"); |
| 3343 | cl_fail = cl; |
| 3344 | goto fail_clk_enable; |
| 3345 | } |
| 3346 | |
| 3347 | c++; |
| 3348 | dprintk(VIDC_DBG, "Clock: %s prepared and enabled\n", cl->name); |
| 3349 | } |
| 3350 | |
| 3351 | __write_register(device, VIDC_WRAPPER_CLOCK_CONFIG, 0); |
| 3352 | __write_register(device, VIDC_WRAPPER_CPU_CLOCK_CONFIG, 0); |
| 3353 | return rc; |
| 3354 | |
| 3355 | fail_clk_enable: |
| 3356 | venus_hfi_for_each_clock_reverse_continue(device, cl, c) { |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3357 | dprintk(VIDC_ERR, "Clock: %s disable and unprepare\n", |
| 3358 | cl->name); |
| 3359 | clk_disable_unprepare(cl->clk); |
| 3360 | } |
| 3361 | |
| 3362 | return rc; |
| 3363 | } |
| 3364 | |
| 3365 | static void __deinit_bus(struct venus_hfi_device *device) |
| 3366 | { |
| 3367 | struct bus_info *bus = NULL; |
| 3368 | |
| 3369 | if (!device) |
| 3370 | return; |
| 3371 | |
| 3372 | kfree(device->bus_vote.data); |
| 3373 | device->bus_vote = DEFAULT_BUS_VOTE; |
| 3374 | |
| 3375 | venus_hfi_for_each_bus_reverse(device, bus) { |
| 3376 | devfreq_remove_device(bus->devfreq); |
| 3377 | bus->devfreq = NULL; |
| 3378 | dev_set_drvdata(bus->dev, NULL); |
| 3379 | |
| 3380 | msm_bus_scale_unregister(bus->client); |
| 3381 | bus->client = NULL; |
| 3382 | } |
| 3383 | } |
| 3384 | |
| 3385 | static int __init_bus(struct venus_hfi_device *device) |
| 3386 | { |
| 3387 | struct bus_info *bus = NULL; |
| 3388 | int rc = 0; |
| 3389 | |
| 3390 | if (!device) |
| 3391 | return -EINVAL; |
| 3392 | |
| 3393 | venus_hfi_for_each_bus(device, bus) { |
| 3394 | struct devfreq_dev_profile profile = { |
| 3395 | .initial_freq = 0, |
| 3396 | .polling_ms = INT_MAX, |
| 3397 | .freq_table = NULL, |
| 3398 | .max_state = 0, |
| 3399 | .target = __devfreq_target, |
| 3400 | .get_dev_status = __devfreq_get_status, |
| 3401 | .exit = NULL, |
| 3402 | }; |
| 3403 | |
| 3404 | /* |
| 3405 | * This is stupid, but there's no other easy way to ahold |
| 3406 | * of struct bus_info in venus_hfi_devfreq_*() |
| 3407 | */ |
| 3408 | WARN(dev_get_drvdata(bus->dev), "%s's drvdata already set\n", |
| 3409 | dev_name(bus->dev)); |
| 3410 | dev_set_drvdata(bus->dev, device); |
| 3411 | |
| 3412 | bus->client = msm_bus_scale_register(bus->master, bus->slave, |
| 3413 | bus->name, false); |
| 3414 | if (IS_ERR_OR_NULL(bus->client)) { |
| 3415 | rc = PTR_ERR(bus->client) ?: -EBADHANDLE; |
| 3416 | dprintk(VIDC_ERR, "Failed to register bus %s: %d\n", |
| 3417 | bus->name, rc); |
| 3418 | bus->client = NULL; |
| 3419 | goto err_add_dev; |
| 3420 | } |
| 3421 | |
| 3422 | bus->devfreq_prof = profile; |
| 3423 | bus->devfreq = devfreq_add_device(bus->dev, |
| 3424 | &bus->devfreq_prof, bus->governor, NULL); |
| 3425 | if (IS_ERR_OR_NULL(bus->devfreq)) { |
| 3426 | rc = PTR_ERR(bus->devfreq) ?: -EBADHANDLE; |
| 3427 | dprintk(VIDC_ERR, |
| 3428 | "Failed to add devfreq device for bus %s and governor %s: %d\n", |
| 3429 | bus->name, bus->governor, rc); |
| 3430 | bus->devfreq = NULL; |
| 3431 | goto err_add_dev; |
| 3432 | } |
| 3433 | |
| 3434 | /* |
| 3435 | * Devfreq starts monitoring immediately, since we are just |
| 3436 | * initializing stuff at this point, force it to suspend |
| 3437 | */ |
| 3438 | devfreq_suspend_device(bus->devfreq); |
| 3439 | } |
| 3440 | |
| 3441 | device->bus_vote = DEFAULT_BUS_VOTE; |
| 3442 | return 0; |
| 3443 | |
| 3444 | err_add_dev: |
| 3445 | __deinit_bus(device); |
| 3446 | return rc; |
| 3447 | } |
| 3448 | |
| 3449 | static void __deinit_regulators(struct venus_hfi_device *device) |
| 3450 | { |
| 3451 | struct regulator_info *rinfo = NULL; |
| 3452 | |
| 3453 | venus_hfi_for_each_regulator_reverse(device, rinfo) { |
| 3454 | if (rinfo->regulator) { |
| 3455 | regulator_put(rinfo->regulator); |
| 3456 | rinfo->regulator = NULL; |
| 3457 | } |
| 3458 | } |
| 3459 | } |
| 3460 | |
| 3461 | static int __init_regulators(struct venus_hfi_device *device) |
| 3462 | { |
| 3463 | int rc = 0; |
| 3464 | struct regulator_info *rinfo = NULL; |
| 3465 | |
| 3466 | venus_hfi_for_each_regulator(device, rinfo) { |
| 3467 | rinfo->regulator = regulator_get(&device->res->pdev->dev, |
| 3468 | rinfo->name); |
| 3469 | if (IS_ERR_OR_NULL(rinfo->regulator)) { |
| 3470 | rc = PTR_ERR(rinfo->regulator) ?: -EBADHANDLE; |
| 3471 | dprintk(VIDC_ERR, "Failed to get regulator: %s\n", |
| 3472 | rinfo->name); |
| 3473 | rinfo->regulator = NULL; |
| 3474 | goto err_reg_get; |
| 3475 | } |
| 3476 | } |
| 3477 | |
| 3478 | return 0; |
| 3479 | |
| 3480 | err_reg_get: |
| 3481 | __deinit_regulators(device); |
| 3482 | return rc; |
| 3483 | } |
| 3484 | |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 3485 | static void __deinit_subcaches(struct venus_hfi_device *device) |
| 3486 | { |
| 3487 | struct subcache_info *sinfo = NULL; |
| 3488 | |
| 3489 | if (!device) { |
| 3490 | dprintk(VIDC_ERR, "deinit_subcaches: invalid device %pK\n", |
| 3491 | device); |
| 3492 | goto exit; |
| 3493 | } |
| 3494 | |
| 3495 | if (!device->res->sys_cache_enabled) |
| 3496 | goto exit; |
| 3497 | |
| 3498 | venus_hfi_for_each_subcache_reverse(device, sinfo) { |
| 3499 | if (sinfo->subcache) { |
| 3500 | dprintk(VIDC_DBG, "deinit_subcaches: %s\n", |
| 3501 | sinfo->name); |
| 3502 | llcc_slice_putd(sinfo->subcache); |
| 3503 | sinfo->subcache = NULL; |
| 3504 | } |
| 3505 | } |
| 3506 | |
| 3507 | exit: |
| 3508 | return; |
| 3509 | } |
| 3510 | |
| 3511 | static int __init_subcaches(struct venus_hfi_device *device) |
| 3512 | { |
| 3513 | int rc = 0; |
| 3514 | struct subcache_info *sinfo = NULL; |
| 3515 | |
| 3516 | if (!device) { |
| 3517 | dprintk(VIDC_ERR, "init_subcaches: invalid device %pK\n", |
| 3518 | device); |
| 3519 | return -EINVAL; |
| 3520 | } |
| 3521 | |
| 3522 | if (!device->res->sys_cache_enabled) |
| 3523 | return 0; |
| 3524 | |
| 3525 | venus_hfi_for_each_subcache(device, sinfo) { |
| 3526 | sinfo->subcache = llcc_slice_getd(&device->res->pdev->dev, |
| 3527 | sinfo->name); |
| 3528 | if (IS_ERR_OR_NULL(sinfo->subcache)) { |
| 3529 | rc = PTR_ERR(sinfo->subcache) ? : -EBADHANDLE; |
| 3530 | dprintk(VIDC_ERR, |
| 3531 | "init_subcaches: invalid subcache: %s rc %d\n", |
| 3532 | sinfo->name, rc); |
| 3533 | sinfo->subcache = NULL; |
| 3534 | goto err_subcache_get; |
| 3535 | } |
| 3536 | dprintk(VIDC_DBG, "init_subcaches: %s\n", |
| 3537 | sinfo->name); |
| 3538 | } |
| 3539 | |
| 3540 | return 0; |
| 3541 | |
| 3542 | err_subcache_get: |
| 3543 | __deinit_subcaches(device); |
| 3544 | return rc; |
| 3545 | } |
| 3546 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3547 | static int __init_resources(struct venus_hfi_device *device, |
| 3548 | struct msm_vidc_platform_resources *res) |
| 3549 | { |
| 3550 | int rc = 0; |
| 3551 | |
| 3552 | rc = __init_regulators(device); |
| 3553 | if (rc) { |
| 3554 | dprintk(VIDC_ERR, "Failed to get all regulators\n"); |
| 3555 | return -ENODEV; |
| 3556 | } |
| 3557 | |
| 3558 | rc = __init_clocks(device); |
| 3559 | if (rc) { |
| 3560 | dprintk(VIDC_ERR, "Failed to init clocks\n"); |
| 3561 | rc = -ENODEV; |
| 3562 | goto err_init_clocks; |
| 3563 | } |
| 3564 | |
| 3565 | rc = __init_bus(device); |
| 3566 | if (rc) { |
| 3567 | dprintk(VIDC_ERR, "Failed to init bus: %d\n", rc); |
| 3568 | goto err_init_bus; |
| 3569 | } |
| 3570 | |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 3571 | rc = __init_subcaches(device); |
| 3572 | if (rc) |
| 3573 | dprintk(VIDC_WARN, "Failed to init subcaches: %d\n", rc); |
| 3574 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3575 | device->sys_init_capabilities = |
| 3576 | kzalloc(sizeof(struct msm_vidc_capability) |
| 3577 | * VIDC_MAX_SESSIONS, GFP_TEMPORARY); |
| 3578 | |
| 3579 | return rc; |
| 3580 | |
| 3581 | err_init_bus: |
| 3582 | __deinit_clocks(device); |
| 3583 | err_init_clocks: |
| 3584 | __deinit_regulators(device); |
| 3585 | return rc; |
| 3586 | } |
| 3587 | |
| 3588 | static void __deinit_resources(struct venus_hfi_device *device) |
| 3589 | { |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 3590 | __deinit_subcaches(device); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3591 | __deinit_bus(device); |
| 3592 | __deinit_clocks(device); |
| 3593 | __deinit_regulators(device); |
| 3594 | kfree(device->sys_init_capabilities); |
| 3595 | device->sys_init_capabilities = NULL; |
| 3596 | } |
| 3597 | |
| 3598 | static int __protect_cp_mem(struct venus_hfi_device *device) |
| 3599 | { |
| 3600 | struct tzbsp_memprot memprot; |
| 3601 | unsigned int resp = 0; |
| 3602 | int rc = 0; |
| 3603 | struct context_bank_info *cb; |
| 3604 | struct scm_desc desc = {0}; |
| 3605 | |
| 3606 | if (!device) |
| 3607 | return -EINVAL; |
| 3608 | |
| 3609 | memprot.cp_start = 0x0; |
| 3610 | memprot.cp_size = 0x0; |
| 3611 | memprot.cp_nonpixel_start = 0x0; |
| 3612 | memprot.cp_nonpixel_size = 0x0; |
| 3613 | |
| 3614 | list_for_each_entry(cb, &device->res->context_banks, list) { |
| 3615 | if (!strcmp(cb->name, "venus_ns")) { |
| 3616 | desc.args[1] = memprot.cp_size = |
| 3617 | cb->addr_range.start; |
| 3618 | dprintk(VIDC_DBG, "%s memprot.cp_size: %#x\n", |
| 3619 | __func__, memprot.cp_size); |
| 3620 | } |
| 3621 | |
| 3622 | if (!strcmp(cb->name, "venus_sec_non_pixel")) { |
| 3623 | desc.args[2] = memprot.cp_nonpixel_start = |
| 3624 | cb->addr_range.start; |
| 3625 | desc.args[3] = memprot.cp_nonpixel_size = |
| 3626 | cb->addr_range.size; |
| 3627 | dprintk(VIDC_DBG, |
| 3628 | "%s memprot.cp_nonpixel_start: %#x size: %#x\n", |
| 3629 | __func__, memprot.cp_nonpixel_start, |
| 3630 | memprot.cp_nonpixel_size); |
| 3631 | } |
| 3632 | } |
| 3633 | |
| 3634 | if (!is_scm_armv8()) { |
| 3635 | rc = scm_call(SCM_SVC_MP, TZBSP_MEM_PROTECT_VIDEO_VAR, &memprot, |
| 3636 | sizeof(memprot), &resp, sizeof(resp)); |
| 3637 | } else { |
| 3638 | desc.arginfo = SCM_ARGS(4); |
| 3639 | rc = scm_call2(SCM_SIP_FNID(SCM_SVC_MP, |
| 3640 | TZBSP_MEM_PROTECT_VIDEO_VAR), &desc); |
| 3641 | resp = desc.ret[0]; |
| 3642 | } |
| 3643 | |
| 3644 | if (rc) { |
| 3645 | dprintk(VIDC_ERR, "Failed to protect memory(%d) response: %d\n", |
| 3646 | rc, resp); |
| 3647 | } |
| 3648 | |
| 3649 | trace_venus_hfi_var_done( |
| 3650 | memprot.cp_start, memprot.cp_size, |
| 3651 | memprot.cp_nonpixel_start, memprot.cp_nonpixel_size); |
| 3652 | return rc; |
| 3653 | } |
| 3654 | |
| 3655 | static int __disable_regulator(struct regulator_info *rinfo) |
| 3656 | { |
| 3657 | int rc = 0; |
| 3658 | |
| 3659 | dprintk(VIDC_DBG, "Disabling regulator %s\n", rinfo->name); |
| 3660 | |
| 3661 | /* |
| 3662 | * This call is needed. Driver needs to acquire the control back |
| 3663 | * from HW in order to disable the regualtor. Else the behavior |
| 3664 | * is unknown. |
| 3665 | */ |
| 3666 | |
| 3667 | rc = __acquire_regulator(rinfo); |
| 3668 | if (rc) { |
| 3669 | /* |
| 3670 | * This is somewhat fatal, but nothing we can do |
| 3671 | * about it. We can't disable the regulator w/o |
| 3672 | * getting it back under s/w control |
| 3673 | */ |
| 3674 | dprintk(VIDC_WARN, |
| 3675 | "Failed to acquire control on %s\n", |
| 3676 | rinfo->name); |
| 3677 | |
| 3678 | goto disable_regulator_failed; |
| 3679 | } |
| 3680 | |
| 3681 | rc = regulator_disable(rinfo->regulator); |
| 3682 | if (rc) { |
| 3683 | dprintk(VIDC_WARN, |
| 3684 | "Failed to disable %s: %d\n", |
| 3685 | rinfo->name, rc); |
| 3686 | goto disable_regulator_failed; |
| 3687 | } |
| 3688 | |
| 3689 | return 0; |
| 3690 | disable_regulator_failed: |
| 3691 | |
| 3692 | /* Bring attention to this issue */ |
| 3693 | WARN_ON(1); |
| 3694 | return rc; |
| 3695 | } |
| 3696 | |
| 3697 | static int __enable_hw_power_collapse(struct venus_hfi_device *device) |
| 3698 | { |
| 3699 | int rc = 0; |
| 3700 | |
| 3701 | if (!msm_vidc_fw_low_power_mode) { |
| 3702 | dprintk(VIDC_DBG, "Not enabling hardware power collapse\n"); |
| 3703 | return 0; |
| 3704 | } |
| 3705 | |
| 3706 | rc = __hand_off_regulators(device); |
| 3707 | if (rc) |
| 3708 | dprintk(VIDC_WARN, |
| 3709 | "%s : Failed to enable HW power collapse %d\n", |
| 3710 | __func__, rc); |
| 3711 | return rc; |
| 3712 | } |
| 3713 | |
| 3714 | static int __enable_regulators(struct venus_hfi_device *device) |
| 3715 | { |
| 3716 | int rc = 0, c = 0; |
| 3717 | struct regulator_info *rinfo; |
| 3718 | |
| 3719 | dprintk(VIDC_DBG, "Enabling regulators\n"); |
| 3720 | |
| 3721 | venus_hfi_for_each_regulator(device, rinfo) { |
| 3722 | rc = regulator_enable(rinfo->regulator); |
| 3723 | if (rc) { |
| 3724 | dprintk(VIDC_ERR, |
| 3725 | "Failed to enable %s: %d\n", |
| 3726 | rinfo->name, rc); |
| 3727 | goto err_reg_enable_failed; |
| 3728 | } |
| 3729 | |
| 3730 | dprintk(VIDC_DBG, "Enabled regulator %s\n", |
| 3731 | rinfo->name); |
| 3732 | c++; |
| 3733 | } |
| 3734 | |
| 3735 | return 0; |
| 3736 | |
| 3737 | err_reg_enable_failed: |
| 3738 | venus_hfi_for_each_regulator_reverse_continue(device, rinfo, c) |
| 3739 | __disable_regulator(rinfo); |
| 3740 | |
| 3741 | return rc; |
| 3742 | } |
| 3743 | |
| 3744 | static int __disable_regulators(struct venus_hfi_device *device) |
| 3745 | { |
| 3746 | struct regulator_info *rinfo; |
| 3747 | int rc = 0; |
| 3748 | |
| 3749 | dprintk(VIDC_DBG, "Disabling regulators\n"); |
| 3750 | |
| 3751 | venus_hfi_for_each_regulator_reverse(device, rinfo) |
| 3752 | __disable_regulator(rinfo); |
| 3753 | |
| 3754 | return rc; |
| 3755 | } |
| 3756 | |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 3757 | static int __enable_subcaches(struct venus_hfi_device *device) |
| 3758 | { |
| 3759 | int rc = 0; |
| 3760 | u32 c = 0; |
| 3761 | struct subcache_info *sinfo; |
| 3762 | u32 resource[VIDC_MAX_SUBCACHE_SIZE]; |
| 3763 | struct hfi_resource_syscache_info_type *sc_res_info; |
| 3764 | struct hfi_resource_subcache_type *sc_res; |
| 3765 | struct vidc_resource_hdr rhdr; |
| 3766 | |
| 3767 | if (!device->res->sys_cache_enabled) |
| 3768 | return 0; |
| 3769 | |
| 3770 | memset((void *)resource, 0x0, (sizeof(u32) * VIDC_MAX_SUBCACHE_SIZE)); |
| 3771 | |
| 3772 | sc_res_info = (struct hfi_resource_syscache_info_type *)resource; |
| 3773 | sc_res = &(sc_res_info->rg_subcache_entries[0]); |
| 3774 | |
| 3775 | /* Activate subcaches */ |
| 3776 | venus_hfi_for_each_subcache(device, sinfo) { |
| 3777 | rc = llcc_slice_activate(sinfo->subcache); |
| 3778 | if (rc) { |
| 3779 | dprintk(VIDC_ERR, "Failed to activate %s: %d\n", |
| 3780 | sinfo->name, rc); |
| 3781 | continue; |
| 3782 | } |
| 3783 | sinfo->isactive = true; |
| 3784 | |
| 3785 | /* Update the entry */ |
| 3786 | sc_res[c].size = sinfo->subcache->llcc_slice_size; |
| 3787 | sc_res[c].sc_id = sinfo->subcache->llcc_slice_id; |
| 3788 | dprintk(VIDC_DBG, "Activate subcache %s\n", sinfo->name); |
| 3789 | c++; |
| 3790 | } |
| 3791 | |
| 3792 | /* Set resource to Venus for activated subcaches */ |
| 3793 | if (c) { |
| 3794 | dprintk(VIDC_DBG, "Setting Subcaches\n"); |
| 3795 | |
| 3796 | rhdr.resource_handle = sc_res_info; /* cookie */ |
| 3797 | rhdr.resource_id = VIDC_RESOURCE_SYSCACHE; |
| 3798 | |
| 3799 | sc_res_info->num_entries = c; |
| 3800 | |
| 3801 | rc = __core_set_resource(device, &rhdr, (void *)sc_res_info); |
| 3802 | if (rc) { |
| 3803 | dprintk(VIDC_ERR, "Failed to set subcaches %d\n", rc); |
| 3804 | goto err_fail_set_subacaches; |
| 3805 | } |
| 3806 | } |
| 3807 | |
| 3808 | venus_hfi_for_each_subcache(device, sinfo) { |
| 3809 | if (sinfo->isactive == true) |
| 3810 | sinfo->isset = true; |
| 3811 | } |
| 3812 | |
| 3813 | dprintk(VIDC_DBG, "Activated & Set Subcaches to Venus\n"); |
| 3814 | |
| 3815 | return 0; |
| 3816 | |
| 3817 | err_fail_set_subacaches: |
| 3818 | __disable_subcaches(device); |
| 3819 | |
| 3820 | return rc; |
| 3821 | } |
| 3822 | |
| 3823 | static int __disable_subcaches(struct venus_hfi_device *device) |
| 3824 | { |
| 3825 | struct subcache_info *sinfo; |
| 3826 | int rc = 0; |
| 3827 | u32 c = 0; |
| 3828 | u32 resource[VIDC_MAX_SUBCACHE_SIZE]; |
| 3829 | struct hfi_resource_syscache_info_type *sc_res_info; |
| 3830 | struct hfi_resource_subcache_type *sc_res; |
| 3831 | struct vidc_resource_hdr rhdr; |
| 3832 | |
| 3833 | if (!device->res->sys_cache_enabled) |
| 3834 | return 0; |
| 3835 | |
| 3836 | dprintk(VIDC_DBG, "Disabling Subcaches\n"); |
| 3837 | |
| 3838 | memset((void *)resource, 0x0, (sizeof(u32) * VIDC_MAX_SUBCACHE_SIZE)); |
| 3839 | |
| 3840 | sc_res_info = (struct hfi_resource_syscache_info_type *)resource; |
| 3841 | sc_res = &(sc_res_info->rg_subcache_entries[0]); |
| 3842 | |
| 3843 | /* Release resource command to Venus */ |
| 3844 | venus_hfi_for_each_subcache_reverse(device, sinfo) { |
| 3845 | if (sinfo->isset == true) { |
| 3846 | /* Update the entry */ |
| 3847 | sc_res[c].size = sinfo->subcache->llcc_slice_size; |
| 3848 | sc_res[c].sc_id = sinfo->subcache->llcc_slice_id; |
| 3849 | c++; |
| 3850 | sinfo->isset = false; |
| 3851 | } |
| 3852 | } |
| 3853 | |
| 3854 | if (c > 0) { |
| 3855 | rhdr.resource_handle = sc_res_info; /* cookie */ |
| 3856 | rhdr.resource_id = VIDC_RESOURCE_SYSCACHE; |
| 3857 | |
| 3858 | rc = __core_release_resource(device, &rhdr); |
| 3859 | if (rc) |
| 3860 | dprintk(VIDC_ERR, "Failed to release subcaches\n"); |
| 3861 | |
| 3862 | dprintk(VIDC_DBG, "Release %d subcaches\n", c); |
| 3863 | } |
| 3864 | |
| 3865 | /* De-activate subcaches */ |
| 3866 | venus_hfi_for_each_subcache_reverse(device, sinfo) { |
| 3867 | if (sinfo->isactive == true) { |
| 3868 | dprintk(VIDC_DBG, "De-activate subcache %s\n", |
| 3869 | sinfo->name); |
| 3870 | rc = llcc_slice_deactivate(sinfo->subcache); |
| 3871 | if (rc) { |
| 3872 | dprintk(VIDC_ERR, |
| 3873 | "Failed to de-activate %s: %d\n", |
| 3874 | sinfo->name, rc); |
| 3875 | } |
| 3876 | sinfo->isactive = false; |
| 3877 | } |
| 3878 | } |
| 3879 | |
| 3880 | return rc; |
| 3881 | } |
| 3882 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3883 | static int __venus_power_on(struct venus_hfi_device *device) |
| 3884 | { |
| 3885 | int rc = 0; |
| 3886 | |
| 3887 | if (device->power_enabled) |
| 3888 | return 0; |
| 3889 | |
| 3890 | device->power_enabled = true; |
| 3891 | /* Vote for all hardware resources */ |
| 3892 | rc = __vote_buses(device, device->bus_vote.data, |
| 3893 | device->bus_vote.data_count); |
| 3894 | if (rc) { |
| 3895 | dprintk(VIDC_ERR, "Failed to vote buses, err: %d\n", rc); |
| 3896 | goto fail_vote_buses; |
| 3897 | } |
| 3898 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3899 | rc = __enable_regulators(device); |
| 3900 | if (rc) { |
| 3901 | dprintk(VIDC_ERR, "Failed to enable GDSC, err = %d\n", rc); |
| 3902 | goto fail_enable_gdsc; |
| 3903 | } |
| 3904 | |
| 3905 | rc = __prepare_enable_clks(device); |
| 3906 | if (rc) { |
| 3907 | dprintk(VIDC_ERR, "Failed to enable clocks: %d\n", rc); |
| 3908 | goto fail_enable_clks; |
| 3909 | } |
| 3910 | |
Praneeth Paladugu | b71968b | 2015-08-19 20:47:57 -0700 | [diff] [blame] | 3911 | rc = __scale_clocks(device); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3912 | if (rc) { |
| 3913 | dprintk(VIDC_WARN, |
| 3914 | "Failed to scale clocks, performance might be affected\n"); |
| 3915 | rc = 0; |
| 3916 | } |
| 3917 | |
| 3918 | /* |
| 3919 | * Re-program all of the registers that get reset as a result of |
| 3920 | * regulator_disable() and _enable() |
| 3921 | */ |
| 3922 | __set_registers(device); |
| 3923 | |
| 3924 | __write_register(device, VIDC_WRAPPER_INTR_MASK, |
| 3925 | VIDC_WRAPPER_INTR_MASK_A2HVCODEC_BMSK); |
| 3926 | device->intr_status = 0; |
| 3927 | enable_irq(device->hal_data->irq); |
| 3928 | |
| 3929 | /* |
| 3930 | * Hand off control of regulators to h/w _after_ enabling clocks. |
| 3931 | * Note that the GDSC will turn off when switching from normal |
| 3932 | * (s/w triggered) to fast (HW triggered) unless the h/w vote is |
| 3933 | * present. Since Venus isn't up yet, the GDSC will be off briefly. |
| 3934 | */ |
| 3935 | if (__enable_hw_power_collapse(device)) |
| 3936 | dprintk(VIDC_ERR, "Failed to enabled inter-frame PC\n"); |
| 3937 | |
| 3938 | return rc; |
| 3939 | |
| 3940 | fail_enable_clks: |
| 3941 | __disable_regulators(device); |
| 3942 | fail_enable_gdsc: |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3943 | __unvote_buses(device); |
| 3944 | fail_vote_buses: |
| 3945 | device->power_enabled = false; |
| 3946 | return rc; |
| 3947 | } |
| 3948 | |
Maheshwar Ajja | 1e0d531 | 2017-04-14 12:14:30 -0700 | [diff] [blame] | 3949 | static void __venus_power_off(struct venus_hfi_device *device) |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3950 | { |
| 3951 | if (!device->power_enabled) |
| 3952 | return; |
| 3953 | |
| 3954 | if (!(device->intr_status & VIDC_WRAPPER_INTR_STATUS_A2HWD_BMSK)) |
| 3955 | disable_irq_nosync(device->hal_data->irq); |
| 3956 | device->intr_status = 0; |
| 3957 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3958 | __disable_unprepare_clks(device); |
| 3959 | if (__disable_regulators(device)) |
| 3960 | dprintk(VIDC_WARN, "Failed to disable regulators\n"); |
| 3961 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3962 | if (__unvote_buses(device)) |
| 3963 | dprintk(VIDC_WARN, "Failed to unvote for buses\n"); |
| 3964 | device->power_enabled = false; |
| 3965 | } |
| 3966 | |
| 3967 | static inline int __suspend(struct venus_hfi_device *device) |
| 3968 | { |
| 3969 | int rc = 0; |
| 3970 | |
| 3971 | if (!device) { |
| 3972 | dprintk(VIDC_ERR, "Invalid params: %pK\n", device); |
| 3973 | return -EINVAL; |
| 3974 | } else if (!device->power_enabled) { |
| 3975 | dprintk(VIDC_DBG, "Power already disabled\n"); |
| 3976 | return 0; |
| 3977 | } |
| 3978 | |
| 3979 | dprintk(VIDC_PROF, "Entering power collapse\n"); |
| 3980 | |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 3981 | if (__disable_subcaches(device)) |
| 3982 | dprintk(VIDC_ERR, "Failed to disable subcaches\n"); |
| 3983 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3984 | if (device->res->pm_qos_latency_us && |
| 3985 | pm_qos_request_active(&device->qos)) |
| 3986 | pm_qos_remove_request(&device->qos); |
| 3987 | |
| 3988 | rc = __tzbsp_set_video_state(TZBSP_VIDEO_STATE_SUSPEND); |
| 3989 | if (rc) { |
| 3990 | dprintk(VIDC_WARN, "Failed to suspend video core %d\n", rc); |
| 3991 | goto err_tzbsp_suspend; |
| 3992 | } |
| 3993 | |
Maheshwar Ajja | 1e0d531 | 2017-04-14 12:14:30 -0700 | [diff] [blame] | 3994 | __venus_power_off(device); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 3995 | dprintk(VIDC_PROF, "Venus power collapsed\n"); |
| 3996 | return rc; |
| 3997 | |
| 3998 | err_tzbsp_suspend: |
| 3999 | return rc; |
| 4000 | } |
| 4001 | |
| 4002 | static inline int __resume(struct venus_hfi_device *device) |
| 4003 | { |
| 4004 | int rc = 0; |
| 4005 | |
| 4006 | if (!device) { |
| 4007 | dprintk(VIDC_ERR, "Invalid params: %pK\n", device); |
| 4008 | return -EINVAL; |
| 4009 | } else if (device->power_enabled) { |
| 4010 | dprintk(VIDC_DBG, "Power is already enabled\n"); |
| 4011 | goto exit; |
| 4012 | } else if (!__core_in_valid_state(device)) { |
| 4013 | dprintk(VIDC_DBG, "venus_hfi_device in deinit state."); |
| 4014 | return -EINVAL; |
| 4015 | } |
| 4016 | |
| 4017 | dprintk(VIDC_PROF, "Resuming from power collapse\n"); |
| 4018 | rc = __venus_power_on(device); |
| 4019 | if (rc) { |
| 4020 | dprintk(VIDC_ERR, "Failed to power on venus\n"); |
| 4021 | goto err_venus_power_on; |
| 4022 | } |
| 4023 | |
| 4024 | /* Reboot the firmware */ |
| 4025 | rc = __tzbsp_set_video_state(TZBSP_VIDEO_STATE_RESUME); |
| 4026 | if (rc) { |
| 4027 | dprintk(VIDC_ERR, "Failed to resume video core %d\n", rc); |
| 4028 | goto err_set_video_state; |
| 4029 | } |
| 4030 | |
| 4031 | __setup_ucregion_memory_map(device); |
| 4032 | /* Wait for boot completion */ |
| 4033 | rc = __boot_firmware(device); |
| 4034 | if (rc) { |
| 4035 | dprintk(VIDC_ERR, "Failed to reset venus core\n"); |
| 4036 | goto err_reset_core; |
| 4037 | } |
| 4038 | |
| 4039 | /* |
| 4040 | * Work around for H/W bug, need to reprogram these registers once |
| 4041 | * firmware is out reset |
| 4042 | */ |
| 4043 | __set_threshold_registers(device); |
| 4044 | |
| 4045 | if (device->res->pm_qos_latency_us) { |
| 4046 | #ifdef CONFIG_SMP |
| 4047 | device->qos.type = PM_QOS_REQ_AFFINE_IRQ; |
| 4048 | device->qos.irq = device->hal_data->irq; |
| 4049 | #endif |
| 4050 | pm_qos_add_request(&device->qos, PM_QOS_CPU_DMA_LATENCY, |
| 4051 | device->res->pm_qos_latency_us); |
| 4052 | } |
Shivendra Kakrania | c1f60e0 | 2017-04-13 00:07:26 -0700 | [diff] [blame^] | 4053 | |
| 4054 | __sys_set_debug(device, msm_vidc_fw_debug); |
| 4055 | |
| 4056 | rc = __enable_subcaches(device); |
| 4057 | if (rc) { |
| 4058 | dprintk(VIDC_WARN, |
| 4059 | "Failed to enable subcaches, err = %d\n", rc); |
| 4060 | } |
| 4061 | |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 4062 | dprintk(VIDC_PROF, "Resumed from power collapse\n"); |
| 4063 | exit: |
| 4064 | device->skip_pc_count = 0; |
| 4065 | return rc; |
| 4066 | err_reset_core: |
| 4067 | __tzbsp_set_video_state(TZBSP_VIDEO_STATE_SUSPEND); |
| 4068 | err_set_video_state: |
Maheshwar Ajja | 1e0d531 | 2017-04-14 12:14:30 -0700 | [diff] [blame] | 4069 | __venus_power_off(device); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 4070 | err_venus_power_on: |
| 4071 | dprintk(VIDC_ERR, "Failed to resume from power collapse\n"); |
| 4072 | return rc; |
| 4073 | } |
| 4074 | |
| 4075 | static int __load_fw(struct venus_hfi_device *device) |
| 4076 | { |
| 4077 | int rc = 0; |
| 4078 | |
| 4079 | /* Initialize resources */ |
| 4080 | rc = __init_resources(device, device->res); |
| 4081 | if (rc) { |
| 4082 | dprintk(VIDC_ERR, "Failed to init resources: %d\n", rc); |
| 4083 | goto fail_init_res; |
| 4084 | } |
| 4085 | |
| 4086 | rc = __initialize_packetization(device); |
| 4087 | if (rc) { |
| 4088 | dprintk(VIDC_ERR, "Failed to initialize packetization\n"); |
| 4089 | goto fail_init_pkt; |
| 4090 | } |
| 4091 | trace_msm_v4l2_vidc_fw_load_start("msm_v4l2_vidc venus_fw load start"); |
| 4092 | |
| 4093 | rc = __venus_power_on(device); |
| 4094 | if (rc) { |
| 4095 | dprintk(VIDC_ERR, "Failed to power on venus in in load_fw\n"); |
| 4096 | goto fail_venus_power_on; |
| 4097 | } |
| 4098 | |
| 4099 | if ((!device->res->use_non_secure_pil && !device->res->firmware_base) |
| 4100 | || device->res->use_non_secure_pil) { |
| 4101 | if (!device->resources.fw.cookie) |
| 4102 | device->resources.fw.cookie = |
| 4103 | subsystem_get_with_fwname("venus", |
| 4104 | device->res->fw_name); |
| 4105 | |
| 4106 | if (IS_ERR_OR_NULL(device->resources.fw.cookie)) { |
| 4107 | dprintk(VIDC_ERR, "Failed to download firmware\n"); |
| 4108 | device->resources.fw.cookie = NULL; |
| 4109 | rc = -ENOMEM; |
| 4110 | goto fail_load_fw; |
| 4111 | } |
| 4112 | } |
| 4113 | |
| 4114 | if (!device->res->use_non_secure_pil && !device->res->firmware_base) { |
| 4115 | rc = __protect_cp_mem(device); |
| 4116 | if (rc) { |
| 4117 | dprintk(VIDC_ERR, "Failed to protect memory\n"); |
| 4118 | goto fail_protect_mem; |
| 4119 | } |
| 4120 | } |
| 4121 | trace_msm_v4l2_vidc_fw_load_end("msm_v4l2_vidc venus_fw load end"); |
| 4122 | return rc; |
| 4123 | fail_protect_mem: |
| 4124 | if (device->resources.fw.cookie) |
| 4125 | subsystem_put(device->resources.fw.cookie); |
| 4126 | device->resources.fw.cookie = NULL; |
| 4127 | fail_load_fw: |
Maheshwar Ajja | 1e0d531 | 2017-04-14 12:14:30 -0700 | [diff] [blame] | 4128 | __venus_power_off(device); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 4129 | fail_venus_power_on: |
| 4130 | fail_init_pkt: |
| 4131 | __deinit_resources(device); |
| 4132 | fail_init_res: |
| 4133 | trace_msm_v4l2_vidc_fw_load_end("msm_v4l2_vidc venus_fw load end"); |
| 4134 | return rc; |
| 4135 | } |
| 4136 | |
| 4137 | static void __unload_fw(struct venus_hfi_device *device) |
| 4138 | { |
| 4139 | if (!device->resources.fw.cookie) |
| 4140 | return; |
| 4141 | |
| 4142 | cancel_delayed_work(&venus_hfi_pm_work); |
| 4143 | if (device->state != VENUS_STATE_DEINIT) |
| 4144 | flush_workqueue(device->venus_pm_workq); |
| 4145 | |
| 4146 | __vote_buses(device, NULL, 0); |
| 4147 | subsystem_put(device->resources.fw.cookie); |
| 4148 | __interface_queues_release(device); |
Maheshwar Ajja | 1e0d531 | 2017-04-14 12:14:30 -0700 | [diff] [blame] | 4149 | __venus_power_off(device); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 4150 | device->resources.fw.cookie = NULL; |
| 4151 | __deinit_resources(device); |
Maheshwar Ajja | e43dd82 | 2017-04-25 15:56:53 -0700 | [diff] [blame] | 4152 | |
| 4153 | dprintk(VIDC_PROF, "Firmware unloaded successfully\n"); |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 4154 | } |
| 4155 | |
| 4156 | static int venus_hfi_get_fw_info(void *dev, struct hal_fw_info *fw_info) |
| 4157 | { |
| 4158 | int i = 0, j = 0; |
| 4159 | struct venus_hfi_device *device = dev; |
| 4160 | u32 smem_block_size = 0; |
| 4161 | u8 *smem_table_ptr; |
| 4162 | char version[VENUS_VERSION_LENGTH]; |
| 4163 | const u32 smem_image_index_venus = 14 * 128; |
| 4164 | |
| 4165 | if (!device || !fw_info) { |
| 4166 | dprintk(VIDC_ERR, |
| 4167 | "%s Invalid parameter: device = %pK fw_info = %pK\n", |
| 4168 | __func__, device, fw_info); |
| 4169 | return -EINVAL; |
| 4170 | } |
| 4171 | |
| 4172 | mutex_lock(&device->lock); |
| 4173 | |
| 4174 | smem_table_ptr = smem_get_entry(SMEM_IMAGE_VERSION_TABLE, |
| 4175 | &smem_block_size, 0, SMEM_ANY_HOST_FLAG); |
| 4176 | if (smem_table_ptr && |
| 4177 | ((smem_image_index_venus + |
| 4178 | VENUS_VERSION_LENGTH) <= smem_block_size)) |
| 4179 | memcpy(version, |
| 4180 | smem_table_ptr + smem_image_index_venus, |
| 4181 | VENUS_VERSION_LENGTH); |
| 4182 | |
| 4183 | while (version[i++] != 'V' && i < VENUS_VERSION_LENGTH) |
| 4184 | ; |
| 4185 | |
| 4186 | if (i == VENUS_VERSION_LENGTH - 1) { |
| 4187 | dprintk(VIDC_WARN, "Venus version string is not proper\n"); |
| 4188 | fw_info->version[0] = '\0'; |
| 4189 | goto fail_version_string; |
| 4190 | } |
| 4191 | |
| 4192 | for (i--; i < VENUS_VERSION_LENGTH && j < VENUS_VERSION_LENGTH - 1; i++) |
| 4193 | fw_info->version[j++] = version[i]; |
| 4194 | fw_info->version[j] = '\0'; |
| 4195 | |
| 4196 | fail_version_string: |
| 4197 | dprintk(VIDC_DBG, "F/W version retrieved : %s\n", fw_info->version); |
| 4198 | fw_info->base_addr = device->hal_data->firmware_base; |
| 4199 | fw_info->register_base = device->res->register_base; |
| 4200 | fw_info->register_size = device->hal_data->register_size; |
| 4201 | fw_info->irq = device->hal_data->irq; |
| 4202 | |
| 4203 | mutex_unlock(&device->lock); |
| 4204 | return 0; |
| 4205 | } |
| 4206 | |
| 4207 | static int venus_hfi_get_core_capabilities(void *dev) |
| 4208 | { |
| 4209 | struct venus_hfi_device *device = dev; |
| 4210 | int rc = 0; |
| 4211 | |
| 4212 | if (!device) |
| 4213 | return -EINVAL; |
| 4214 | |
| 4215 | mutex_lock(&device->lock); |
| 4216 | |
| 4217 | rc = HAL_VIDEO_ENCODER_ROTATION_CAPABILITY | |
| 4218 | HAL_VIDEO_ENCODER_SCALING_CAPABILITY | |
| 4219 | HAL_VIDEO_ENCODER_DEINTERLACE_CAPABILITY | |
| 4220 | HAL_VIDEO_DECODER_MULTI_STREAM_CAPABILITY; |
| 4221 | |
| 4222 | mutex_unlock(&device->lock); |
| 4223 | |
| 4224 | return rc; |
| 4225 | } |
| 4226 | |
| 4227 | static int __initialize_packetization(struct venus_hfi_device *device) |
| 4228 | { |
| 4229 | int rc = 0; |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 4230 | |
| 4231 | if (!device || !device->res) { |
| 4232 | dprintk(VIDC_ERR, "%s - invalid param\n", __func__); |
| 4233 | return -EINVAL; |
| 4234 | } |
| 4235 | |
Chinmay Sawarkar | 2de3f77 | 2017-02-07 12:03:44 -0800 | [diff] [blame] | 4236 | device->packetization_type = HFI_PACKETIZATION_4XX; |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 4237 | |
| 4238 | device->pkt_ops = hfi_get_pkt_ops_handle(device->packetization_type); |
| 4239 | if (!device->pkt_ops) { |
| 4240 | rc = -EINVAL; |
| 4241 | dprintk(VIDC_ERR, "Failed to get pkt_ops handle\n"); |
| 4242 | } |
| 4243 | |
| 4244 | return rc; |
| 4245 | } |
| 4246 | |
| 4247 | static struct venus_hfi_device *__add_device(u32 device_id, |
| 4248 | struct msm_vidc_platform_resources *res, |
| 4249 | hfi_cmd_response_callback callback) |
| 4250 | { |
| 4251 | struct venus_hfi_device *hdevice = NULL; |
| 4252 | int rc = 0; |
| 4253 | |
| 4254 | if (!res || !callback) { |
| 4255 | dprintk(VIDC_ERR, "Invalid Parameters\n"); |
| 4256 | return NULL; |
| 4257 | } |
| 4258 | |
| 4259 | dprintk(VIDC_INFO, "entered , device_id: %d\n", device_id); |
| 4260 | |
| 4261 | hdevice = (struct venus_hfi_device *) |
| 4262 | kzalloc(sizeof(struct venus_hfi_device), GFP_KERNEL); |
| 4263 | if (!hdevice) { |
| 4264 | dprintk(VIDC_ERR, "failed to allocate new device\n"); |
| 4265 | goto exit; |
| 4266 | } |
| 4267 | |
| 4268 | hdevice->response_pkt = kmalloc_array(max_packets, |
| 4269 | sizeof(*hdevice->response_pkt), GFP_KERNEL); |
| 4270 | if (!hdevice->response_pkt) { |
| 4271 | dprintk(VIDC_ERR, "failed to allocate response_pkt\n"); |
| 4272 | goto err_cleanup; |
| 4273 | } |
| 4274 | |
| 4275 | hdevice->raw_packet = |
| 4276 | kzalloc(VIDC_IFACEQ_VAR_HUGE_PKT_SIZE, GFP_TEMPORARY); |
| 4277 | if (!hdevice->raw_packet) { |
| 4278 | dprintk(VIDC_ERR, "failed to allocate raw packet\n"); |
| 4279 | goto err_cleanup; |
| 4280 | } |
| 4281 | |
| 4282 | rc = __init_regs_and_interrupts(hdevice, res); |
| 4283 | if (rc) |
| 4284 | goto err_cleanup; |
| 4285 | |
| 4286 | hdevice->res = res; |
| 4287 | hdevice->device_id = device_id; |
| 4288 | hdevice->callback = callback; |
| 4289 | |
| 4290 | hdevice->vidc_workq = create_singlethread_workqueue( |
| 4291 | "msm_vidc_workerq_venus"); |
| 4292 | if (!hdevice->vidc_workq) { |
| 4293 | dprintk(VIDC_ERR, ": create vidc workq failed\n"); |
| 4294 | goto err_cleanup; |
| 4295 | } |
| 4296 | |
| 4297 | hdevice->venus_pm_workq = create_singlethread_workqueue( |
| 4298 | "pm_workerq_venus"); |
| 4299 | if (!hdevice->venus_pm_workq) { |
| 4300 | dprintk(VIDC_ERR, ": create pm workq failed\n"); |
| 4301 | goto err_cleanup; |
| 4302 | } |
| 4303 | |
| 4304 | if (!hal_ctxt.dev_count) |
| 4305 | INIT_LIST_HEAD(&hal_ctxt.dev_head); |
| 4306 | |
| 4307 | mutex_init(&hdevice->lock); |
| 4308 | INIT_LIST_HEAD(&hdevice->list); |
| 4309 | INIT_LIST_HEAD(&hdevice->sess_head); |
| 4310 | list_add_tail(&hdevice->list, &hal_ctxt.dev_head); |
| 4311 | hal_ctxt.dev_count++; |
| 4312 | |
| 4313 | return hdevice; |
| 4314 | |
| 4315 | err_cleanup: |
| 4316 | if (hdevice->vidc_workq) |
| 4317 | destroy_workqueue(hdevice->vidc_workq); |
| 4318 | kfree(hdevice->response_pkt); |
| 4319 | kfree(hdevice->raw_packet); |
| 4320 | kfree(hdevice); |
| 4321 | exit: |
| 4322 | return NULL; |
| 4323 | } |
| 4324 | |
| 4325 | static struct venus_hfi_device *__get_device(u32 device_id, |
| 4326 | struct msm_vidc_platform_resources *res, |
| 4327 | hfi_cmd_response_callback callback) |
| 4328 | { |
| 4329 | if (!res || !callback) { |
| 4330 | dprintk(VIDC_ERR, "Invalid params: %pK %pK\n", res, callback); |
| 4331 | return NULL; |
| 4332 | } |
| 4333 | |
| 4334 | return __add_device(device_id, res, callback); |
| 4335 | } |
| 4336 | |
| 4337 | void venus_hfi_delete_device(void *device) |
| 4338 | { |
| 4339 | struct venus_hfi_device *close, *tmp, *dev; |
| 4340 | |
| 4341 | if (!device) |
| 4342 | return; |
| 4343 | |
| 4344 | dev = (struct venus_hfi_device *) device; |
| 4345 | |
| 4346 | mutex_lock(&dev->lock); |
| 4347 | __iommu_detach(dev); |
| 4348 | mutex_unlock(&dev->lock); |
| 4349 | |
| 4350 | list_for_each_entry_safe(close, tmp, &hal_ctxt.dev_head, list) { |
| 4351 | if (close->hal_data->irq == dev->hal_data->irq) { |
| 4352 | hal_ctxt.dev_count--; |
| 4353 | list_del(&close->list); |
| 4354 | mutex_destroy(&close->lock); |
| 4355 | destroy_workqueue(close->vidc_workq); |
| 4356 | destroy_workqueue(close->venus_pm_workq); |
| 4357 | free_irq(dev->hal_data->irq, close); |
| 4358 | iounmap(dev->hal_data->register_base); |
| 4359 | kfree(close->hal_data); |
| 4360 | kfree(close->response_pkt); |
| 4361 | kfree(close->raw_packet); |
| 4362 | kfree(close); |
| 4363 | break; |
| 4364 | } |
| 4365 | } |
| 4366 | } |
| 4367 | |
| 4368 | static void venus_init_hfi_callbacks(struct hfi_device *hdev) |
| 4369 | { |
| 4370 | hdev->core_init = venus_hfi_core_init; |
| 4371 | hdev->core_release = venus_hfi_core_release; |
| 4372 | hdev->core_ping = venus_hfi_core_ping; |
| 4373 | hdev->core_trigger_ssr = venus_hfi_core_trigger_ssr; |
| 4374 | hdev->session_init = venus_hfi_session_init; |
| 4375 | hdev->session_end = venus_hfi_session_end; |
| 4376 | hdev->session_abort = venus_hfi_session_abort; |
| 4377 | hdev->session_clean = venus_hfi_session_clean; |
| 4378 | hdev->session_set_buffers = venus_hfi_session_set_buffers; |
| 4379 | hdev->session_release_buffers = venus_hfi_session_release_buffers; |
| 4380 | hdev->session_load_res = venus_hfi_session_load_res; |
| 4381 | hdev->session_release_res = venus_hfi_session_release_res; |
| 4382 | hdev->session_start = venus_hfi_session_start; |
| 4383 | hdev->session_continue = venus_hfi_session_continue; |
| 4384 | hdev->session_stop = venus_hfi_session_stop; |
| 4385 | hdev->session_etb = venus_hfi_session_etb; |
| 4386 | hdev->session_ftb = venus_hfi_session_ftb; |
| 4387 | hdev->session_process_batch = venus_hfi_session_process_batch; |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 4388 | hdev->session_get_buf_req = venus_hfi_session_get_buf_req; |
| 4389 | hdev->session_flush = venus_hfi_session_flush; |
| 4390 | hdev->session_set_property = venus_hfi_session_set_property; |
| 4391 | hdev->session_get_property = venus_hfi_session_get_property; |
| 4392 | hdev->scale_clocks = venus_hfi_scale_clocks; |
| 4393 | hdev->vote_bus = venus_hfi_vote_buses; |
| 4394 | hdev->get_fw_info = venus_hfi_get_fw_info; |
| 4395 | hdev->get_core_capabilities = venus_hfi_get_core_capabilities; |
| 4396 | hdev->suspend = venus_hfi_suspend; |
| 4397 | hdev->flush_debug_queue = venus_hfi_flush_debug_queue; |
Praneeth Paladugu | 6e6fbdb | 2017-01-16 15:43:01 -0800 | [diff] [blame] | 4398 | hdev->get_default_properties = venus_hfi_get_default_properties; |
| 4399 | } |
| 4400 | |
| 4401 | int venus_hfi_initialize(struct hfi_device *hdev, u32 device_id, |
| 4402 | struct msm_vidc_platform_resources *res, |
| 4403 | hfi_cmd_response_callback callback) |
| 4404 | { |
| 4405 | int rc = 0; |
| 4406 | |
| 4407 | if (!hdev || !res || !callback) { |
| 4408 | dprintk(VIDC_ERR, "Invalid params: %pK %pK %pK\n", |
| 4409 | hdev, res, callback); |
| 4410 | rc = -EINVAL; |
| 4411 | goto err_venus_hfi_init; |
| 4412 | } |
| 4413 | |
| 4414 | hdev->hfi_device_data = __get_device(device_id, res, callback); |
| 4415 | |
| 4416 | if (IS_ERR_OR_NULL(hdev->hfi_device_data)) { |
| 4417 | rc = PTR_ERR(hdev->hfi_device_data) ?: -EINVAL; |
| 4418 | goto err_venus_hfi_init; |
| 4419 | } |
| 4420 | |
| 4421 | venus_init_hfi_callbacks(hdev); |
| 4422 | |
| 4423 | err_venus_hfi_init: |
| 4424 | return rc; |
| 4425 | } |
| 4426 | |