Duy Truong | 790f06d | 2013-02-13 16:38:12 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2008-2009, The Linux Foundation. All rights reserved. |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 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 <linux/slab.h> |
| 15 | #include <linux/cdev.h> |
| 16 | #include <linux/file.h> |
| 17 | #include <linux/device.h> |
| 18 | #include <linux/fs.h> |
| 19 | #include <linux/list.h> |
| 20 | #include <linux/module.h> |
| 21 | #include <linux/sched.h> |
| 22 | #include <linux/spinlock.h> |
| 23 | #include <linux/uaccess.h> |
| 24 | #include <linux/wakelock.h> |
| 25 | #include <linux/android_pmem.h> |
| 26 | #include <linux/msm_q6venc.h> |
Stephen Boyd | 2fcabf9 | 2012-05-30 10:41:11 -0700 | [diff] [blame] | 27 | #include <linux/pm_qos.h> |
| 28 | |
| 29 | #include <mach/cpuidle.h> |
| 30 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 31 | #include "dal.h" |
| 32 | |
| 33 | #define DALDEVICEID_VENC_DEVICE 0x0200002D |
| 34 | #define DALDEVICEID_VENC_PORTNAME "DAL_AQ_VID" |
| 35 | |
| 36 | #define VENC_NAME "q6venc" |
| 37 | #define VENC_MSG_MAX 128 |
| 38 | |
| 39 | #define VENC_INTERFACE_VERSION 0x00020000 |
| 40 | #define MAJOR_MASK 0xFFFF0000 |
| 41 | #define MINOR_MASK 0x0000FFFF |
| 42 | #define VENC_GET_MAJOR_VERSION(version) ((version & MAJOR_MASK)>>16) |
| 43 | #define VENC_GET_MINOR_VERSION(version) (version & MINOR_MASK) |
| 44 | |
| 45 | enum { |
| 46 | VENC_BUFFER_TYPE_INPUT, |
| 47 | VENC_BUFFER_TYPE_OUTPUT, |
| 48 | VENC_BUFFER_TYPE_QDSP6, |
| 49 | VENC_BUFFER_TYPE_HDR |
| 50 | }; |
| 51 | enum { |
| 52 | VENC_DALRPC_GET_SYNTAX_HEADER = DAL_OP_FIRST_DEVICE_API, |
| 53 | VENC_DALRPC_UPDATE_INTRA_REFRESH, |
| 54 | VENC_DALRPC_UPDATE_FRAME_RATE, |
| 55 | VENC_DALRPC_UPDATE_BITRATE, |
| 56 | VENC_DALRPC_UPDATE_QP_RANGE, |
| 57 | VENC_DALRPC_UPDATE_INTRA_PERIOD, |
| 58 | VENC_DALRPC_REQUEST_IFRAME, |
| 59 | VENC_DALRPC_START, |
| 60 | VENC_DALRPC_STOP, |
| 61 | VENC_DALRPC_SUSPEND, |
| 62 | VENC_DALRPC_RESUME, |
| 63 | VENC_DALRPC_FLUSH, |
| 64 | VENC_DALRPC_QUEUE_INPUT, |
| 65 | VENC_DALRPC_QUEUE_OUTPUT |
| 66 | }; |
| 67 | struct venc_input_payload { |
| 68 | u32 data; |
| 69 | }; |
| 70 | struct venc_output_payload { |
| 71 | u32 size; |
| 72 | long long time_stamp; |
| 73 | u32 flags; |
| 74 | u32 data; |
| 75 | u32 client_data_from_input; |
| 76 | }; |
| 77 | union venc_payload { |
| 78 | struct venc_input_payload input_payload; |
| 79 | struct venc_output_payload output_payload; |
| 80 | }; |
| 81 | struct venc_msg_type { |
| 82 | u32 event; |
| 83 | u32 status; |
| 84 | union venc_payload payload; |
| 85 | }; |
| 86 | struct venc_input_buf { |
| 87 | struct venc_buf_type yuv_buf; |
| 88 | u32 data_size; |
| 89 | long long time_stamp; |
| 90 | u32 flags; |
| 91 | u32 dvs_offsetx; |
| 92 | u32 dvs_offsety; |
| 93 | u32 client_data; |
| 94 | u32 op_client_data; |
| 95 | }; |
| 96 | struct venc_output_buf { |
| 97 | struct venc_buf_type bit_stream_buf; |
| 98 | u32 client_data; |
| 99 | }; |
| 100 | |
| 101 | struct venc_msg_list { |
| 102 | struct list_head list; |
| 103 | struct venc_msg msg_data; |
| 104 | }; |
| 105 | struct venc_buf { |
| 106 | int fd; |
| 107 | u32 src; |
| 108 | u32 offset; |
| 109 | u32 size; |
| 110 | u32 btype; |
| 111 | unsigned long paddr; |
| 112 | struct file *file; |
| 113 | }; |
| 114 | struct venc_pmem_list { |
| 115 | struct list_head list; |
| 116 | struct venc_buf buf; |
| 117 | }; |
| 118 | struct venc_dev { |
| 119 | bool is_active; |
| 120 | bool pmem_freed; |
| 121 | enum venc_state_type state; |
| 122 | struct list_head venc_msg_list_head; |
| 123 | struct list_head venc_msg_list_free; |
| 124 | spinlock_t venc_msg_list_lock; |
| 125 | struct list_head venc_pmem_list_head; |
| 126 | spinlock_t venc_pmem_list_lock; |
| 127 | struct dal_client *q6_handle; |
| 128 | wait_queue_head_t venc_msg_evt; |
| 129 | struct device *class_devp; |
| 130 | }; |
| 131 | |
| 132 | #define DEBUG_VENC 0 |
| 133 | #if DEBUG_VENC |
| 134 | #define TRACE(fmt, x...) \ |
| 135 | do { pr_debug("%s:%d " fmt, __func__, __LINE__, ##x); } while (0) |
| 136 | #else |
| 137 | #define TRACE(fmt, x...) do { } while (0) |
| 138 | #endif |
| 139 | |
| 140 | static struct cdev cdev; |
| 141 | static dev_t venc_dev_num; |
| 142 | static struct class *venc_class; |
| 143 | static struct venc_dev *venc_device_p; |
| 144 | static int venc_ref; |
| 145 | |
| 146 | static DEFINE_MUTEX(idlecount_lock); |
| 147 | static int idlecount; |
| 148 | static struct wake_lock wakelock; |
Stephen Boyd | 2fcabf9 | 2012-05-30 10:41:11 -0700 | [diff] [blame] | 149 | static struct pm_qos_request pm_qos_req; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 150 | |
| 151 | static void prevent_sleep(void) |
| 152 | { |
| 153 | mutex_lock(&idlecount_lock); |
| 154 | if (++idlecount == 1) { |
Stephen Boyd | 2fcabf9 | 2012-05-30 10:41:11 -0700 | [diff] [blame] | 155 | pm_qos_update_request(&pm_qos_req, |
| 156 | msm_cpuidle_get_deep_idle_latency()); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 157 | wake_lock(&wakelock); |
| 158 | } |
| 159 | mutex_unlock(&idlecount_lock); |
| 160 | } |
| 161 | |
| 162 | static void allow_sleep(void) |
| 163 | { |
| 164 | mutex_lock(&idlecount_lock); |
| 165 | if (--idlecount == 0) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 166 | wake_unlock(&wakelock); |
Stephen Boyd | 2fcabf9 | 2012-05-30 10:41:11 -0700 | [diff] [blame] | 167 | pm_qos_update_request(&pm_qos_req, PM_QOS_DEFAULT_VALUE); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 168 | } |
| 169 | mutex_unlock(&idlecount_lock); |
| 170 | } |
| 171 | |
| 172 | static inline int venc_check_version(u32 client, u32 server) |
| 173 | { |
| 174 | int ret = -EINVAL; |
| 175 | |
| 176 | if ((VENC_GET_MAJOR_VERSION(client) == VENC_GET_MAJOR_VERSION(server)) |
| 177 | && (VENC_GET_MINOR_VERSION(client) <= |
| 178 | VENC_GET_MINOR_VERSION(server))) |
| 179 | ret = 0; |
| 180 | |
| 181 | return ret; |
| 182 | } |
| 183 | |
| 184 | static int venc_get_msg(struct venc_dev *dvenc, void *msg) |
| 185 | { |
| 186 | struct venc_msg_list *l; |
| 187 | unsigned long flags; |
| 188 | int ret = 0; |
| 189 | struct venc_msg qdsp_msg; |
| 190 | |
| 191 | if (!dvenc->is_active) |
| 192 | return -EPERM; |
| 193 | spin_lock_irqsave(&dvenc->venc_msg_list_lock, flags); |
| 194 | list_for_each_entry_reverse(l, &dvenc->venc_msg_list_head, list) { |
| 195 | memcpy(&qdsp_msg, &l->msg_data, sizeof(struct venc_msg)); |
| 196 | list_del(&l->list); |
| 197 | list_add(&l->list, &dvenc->venc_msg_list_free); |
| 198 | ret = 1; |
| 199 | break; |
| 200 | } |
| 201 | spin_unlock_irqrestore(&dvenc->venc_msg_list_lock, flags); |
| 202 | if (copy_to_user(msg, &qdsp_msg, sizeof(struct venc_msg))) |
| 203 | pr_err("%s failed to copy_to_user\n", __func__); |
| 204 | return ret; |
| 205 | } |
| 206 | |
| 207 | static void venc_put_msg(struct venc_dev *dvenc, struct venc_msg *msg) |
| 208 | { |
| 209 | struct venc_msg_list *l; |
| 210 | unsigned long flags; |
| 211 | int found = 0; |
| 212 | |
| 213 | spin_lock_irqsave(&dvenc->venc_msg_list_lock, flags); |
| 214 | list_for_each_entry(l, &dvenc->venc_msg_list_free, list) { |
| 215 | memcpy(&l->msg_data, msg, sizeof(struct venc_msg)); |
| 216 | list_del(&l->list); |
| 217 | list_add(&l->list, &dvenc->venc_msg_list_head); |
| 218 | found = 1; |
| 219 | break; |
| 220 | } |
| 221 | spin_unlock_irqrestore(&dvenc->venc_msg_list_lock, flags); |
| 222 | if (found) |
| 223 | wake_up(&dvenc->venc_msg_evt); |
| 224 | else |
| 225 | pr_err("%s: failed to find a free node\n", __func__); |
| 226 | |
| 227 | } |
| 228 | |
| 229 | static struct venc_pmem_list *venc_add_pmem_to_list(struct venc_dev *dvenc, |
| 230 | struct venc_pmem *mptr, |
| 231 | u32 btype) |
| 232 | { |
| 233 | int ret = 0; |
| 234 | unsigned long flags; |
| 235 | unsigned long len; |
| 236 | unsigned long vaddr; |
| 237 | struct venc_pmem_list *plist = NULL; |
| 238 | |
| 239 | plist = kzalloc(sizeof(struct venc_pmem_list), GFP_KERNEL); |
| 240 | if (!plist) { |
| 241 | pr_err("%s: kzalloc failed\n", __func__); |
| 242 | return NULL; |
| 243 | } |
| 244 | |
| 245 | ret = get_pmem_file(mptr->fd, &(plist->buf.paddr), |
| 246 | &vaddr, &len, &(plist->buf.file)); |
| 247 | if (ret) { |
| 248 | pr_err("%s: get_pmem_file failed for fd=%d offset=%d\n", |
| 249 | __func__, mptr->fd, mptr->offset); |
| 250 | goto err_venc_add_pmem; |
| 251 | } else if (mptr->offset >= len) { |
| 252 | pr_err("%s: invalid offset (%d > %ld) for fd=%d\n", |
| 253 | __func__, mptr->offset, len, mptr->fd); |
| 254 | ret = -EINVAL; |
| 255 | goto err_venc_get_pmem; |
| 256 | } |
| 257 | |
| 258 | plist->buf.fd = mptr->fd; |
| 259 | plist->buf.paddr += mptr->offset; |
| 260 | plist->buf.size = mptr->size; |
| 261 | plist->buf.btype = btype; |
| 262 | plist->buf.offset = mptr->offset; |
| 263 | plist->buf.src = mptr->src; |
| 264 | |
| 265 | spin_lock_irqsave(&dvenc->venc_pmem_list_lock, flags); |
| 266 | list_add(&plist->list, &dvenc->venc_pmem_list_head); |
| 267 | spin_unlock_irqrestore(&dvenc->venc_pmem_list_lock, flags); |
| 268 | return plist; |
| 269 | |
| 270 | err_venc_get_pmem: |
| 271 | put_pmem_file(plist->buf.file); |
| 272 | err_venc_add_pmem: |
| 273 | kfree(plist); |
| 274 | return NULL; |
| 275 | } |
| 276 | |
| 277 | static struct venc_pmem_list *venc_get_pmem_from_list( |
| 278 | struct venc_dev *dvenc, u32 pmem_fd, |
| 279 | u32 offset, u32 btype) |
| 280 | { |
| 281 | struct venc_pmem_list *plist; |
| 282 | unsigned long flags; |
| 283 | struct file *file; |
| 284 | int found = 0; |
| 285 | |
| 286 | file = fget(pmem_fd); |
| 287 | if (!file) { |
| 288 | pr_err("%s: invalid encoder buffer fd(%d)\n", __func__, |
| 289 | pmem_fd); |
| 290 | return NULL; |
| 291 | } |
| 292 | spin_lock_irqsave(&dvenc->venc_pmem_list_lock, flags); |
| 293 | list_for_each_entry(plist, &dvenc->venc_pmem_list_head, list) { |
| 294 | if (plist->buf.btype == btype && plist->buf.file == file && |
| 295 | plist->buf.offset == offset) { |
| 296 | found = 1; |
| 297 | break; |
| 298 | } |
| 299 | } |
| 300 | spin_unlock_irqrestore(&dvenc->venc_pmem_list_lock, flags); |
| 301 | fput(file); |
| 302 | if (found) |
| 303 | return plist; |
| 304 | |
| 305 | else |
| 306 | return NULL; |
| 307 | } |
| 308 | |
| 309 | static int venc_set_buffer(struct venc_dev *dvenc, void *argp, |
| 310 | u32 btype) |
| 311 | { |
| 312 | struct venc_pmem pmem; |
| 313 | struct venc_pmem_list *plist; |
| 314 | int ret = 0; |
| 315 | |
| 316 | ret = copy_from_user(&pmem, argp, sizeof(pmem)); |
| 317 | if (ret) { |
| 318 | pr_err("%s: copy_from_user failed\n", __func__); |
| 319 | return ret; |
| 320 | } |
| 321 | plist = venc_add_pmem_to_list(dvenc, &pmem, btype); |
| 322 | if (plist == NULL) { |
| 323 | pr_err("%s: buffer add_to_pmem_list failed\n", |
| 324 | __func__); |
| 325 | return -EPERM; |
| 326 | } |
| 327 | return ret; |
| 328 | } |
| 329 | |
| 330 | static int venc_assign_q6_buffers(struct venc_dev *dvenc, |
| 331 | struct venc_buffers *pbufs, |
| 332 | struct venc_nonio_buf_config *pcfg) |
| 333 | { |
| 334 | int ret = 0; |
| 335 | struct venc_pmem_list *plist; |
| 336 | |
| 337 | plist = venc_add_pmem_to_list(dvenc, &(pbufs->recon_buf[0]), |
| 338 | VENC_BUFFER_TYPE_QDSP6); |
| 339 | if (plist == NULL) { |
| 340 | pr_err("%s: recon_buf0 failed to add_to_pmem_list\n", |
| 341 | __func__); |
| 342 | return -EPERM; |
| 343 | } |
| 344 | pcfg->recon_buf1.region = pbufs->recon_buf[0].src; |
| 345 | pcfg->recon_buf1.phys = plist->buf.paddr; |
| 346 | pcfg->recon_buf1.size = plist->buf.size; |
| 347 | pcfg->recon_buf1.offset = 0; |
| 348 | |
| 349 | plist = venc_add_pmem_to_list(dvenc, &(pbufs->recon_buf[1]), |
| 350 | VENC_BUFFER_TYPE_QDSP6); |
| 351 | if (plist == NULL) { |
| 352 | pr_err("%s: recons_buf1 failed to add_to_pmem_list\n", |
| 353 | __func__); |
| 354 | return -EPERM; |
| 355 | } |
| 356 | pcfg->recon_buf2.region = pbufs->recon_buf[1].src; |
| 357 | pcfg->recon_buf2.phys = plist->buf.paddr; |
| 358 | pcfg->recon_buf2.size = plist->buf.size; |
| 359 | pcfg->recon_buf2.offset = 0; |
| 360 | |
| 361 | plist = venc_add_pmem_to_list(dvenc, &(pbufs->wb_buf), |
| 362 | VENC_BUFFER_TYPE_QDSP6); |
| 363 | if (plist == NULL) { |
| 364 | pr_err("%s: wb_buf failed to add_to_pmem_list\n", |
| 365 | __func__); |
| 366 | return -EPERM; |
| 367 | } |
| 368 | pcfg->wb_buf.region = pbufs->wb_buf.src; |
| 369 | pcfg->wb_buf.phys = plist->buf.paddr; |
| 370 | pcfg->wb_buf.size = plist->buf.size; |
| 371 | pcfg->wb_buf.offset = 0; |
| 372 | |
| 373 | plist = venc_add_pmem_to_list(dvenc, &(pbufs->cmd_buf), |
| 374 | VENC_BUFFER_TYPE_QDSP6); |
| 375 | if (plist == NULL) { |
| 376 | pr_err("%s: cmd_buf failed to add_to_pmem_list\n", |
| 377 | __func__); |
| 378 | return -EPERM; |
| 379 | } |
| 380 | pcfg->cmd_buf.region = pbufs->cmd_buf.src; |
| 381 | pcfg->cmd_buf.phys = plist->buf.paddr; |
| 382 | pcfg->cmd_buf.size = plist->buf.size; |
| 383 | pcfg->cmd_buf.offset = 0; |
| 384 | |
| 385 | plist = venc_add_pmem_to_list(dvenc, &(pbufs->vlc_buf), |
| 386 | VENC_BUFFER_TYPE_QDSP6); |
| 387 | if (plist == NULL) { |
| 388 | pr_err("%s: vlc_buf failed to add_to_pmem_list" |
| 389 | " failed\n", __func__); |
| 390 | return -EPERM; |
| 391 | } |
| 392 | pcfg->vlc_buf.region = pbufs->vlc_buf.src; |
| 393 | pcfg->vlc_buf.phys = plist->buf.paddr; |
| 394 | pcfg->vlc_buf.size = plist->buf.size; |
| 395 | pcfg->vlc_buf.offset = 0; |
| 396 | |
| 397 | return ret; |
| 398 | } |
| 399 | |
| 400 | static int venc_start(struct venc_dev *dvenc, void *argp) |
| 401 | { |
| 402 | int ret = 0; |
| 403 | struct venc_q6_config q6_config; |
| 404 | struct venc_init_config vconfig; |
| 405 | |
| 406 | dvenc->state = VENC_STATE_START; |
| 407 | ret = copy_from_user(&vconfig, argp, sizeof(struct venc_init_config)); |
| 408 | if (ret) { |
| 409 | pr_err("%s: copy_from_user failed\n", __func__); |
| 410 | return ret; |
| 411 | } |
| 412 | memcpy(&q6_config, &(vconfig.q6_config), sizeof(q6_config)); |
| 413 | ret = venc_assign_q6_buffers(dvenc, &(vconfig.q6_bufs), |
| 414 | &(q6_config.buf_params)); |
| 415 | if (ret != 0) { |
| 416 | pr_err("%s: assign_q6_buffers failed\n", __func__); |
| 417 | return -EPERM; |
| 418 | } |
| 419 | |
| 420 | q6_config.callback_event = dvenc->q6_handle; |
| 421 | TRACE("%s: parameters: handle:%p, config:%p, callback:%p \n", __func__, |
| 422 | dvenc->q6_handle, &q6_config, q6_config.callback_event); |
| 423 | TRACE("%s: parameters:recon1:0x%x, recon2:0x%x," |
| 424 | " wb_buf:0x%x, cmd:0x%x, vlc:0x%x\n", __func__, |
| 425 | q6_config.buf_params.recon_buf1.phys, |
| 426 | q6_config.buf_params.recon_buf2.phys, |
| 427 | q6_config.buf_params.wb_buf.phys, |
| 428 | q6_config.buf_params.cmd_buf.phys, |
| 429 | q6_config.buf_params.vlc_buf.phys); |
| 430 | TRACE("%s: size of param:%d \n", __func__, sizeof(q6_config)); |
| 431 | ret = dal_call_f5(dvenc->q6_handle, VENC_DALRPC_START, &q6_config, |
| 432 | sizeof(q6_config)); |
| 433 | if (ret != 0) { |
| 434 | pr_err("%s: remote function failed (%d)\n", __func__, ret); |
| 435 | return ret; |
| 436 | } |
| 437 | return ret; |
| 438 | } |
| 439 | |
| 440 | static int venc_encode_frame(struct venc_dev *dvenc, void *argp) |
| 441 | { |
| 442 | int ret = 0; |
| 443 | struct venc_pmem buf; |
| 444 | struct venc_input_buf q6_input; |
| 445 | struct venc_pmem_list *plist; |
| 446 | struct venc_buffer input; |
| 447 | |
| 448 | ret = copy_from_user(&input, argp, sizeof(struct venc_buffer)); |
| 449 | if (ret) { |
| 450 | pr_err("%s: copy_from_user failed\n", __func__); |
| 451 | return ret; |
| 452 | } |
| 453 | ret = copy_from_user(&buf, |
| 454 | ((struct venc_buffer *)argp)->ptr_buffer, |
| 455 | sizeof(struct venc_pmem)); |
| 456 | if (ret) { |
| 457 | pr_err("%s: copy_from_user failed\n", __func__); |
| 458 | return ret; |
| 459 | } |
| 460 | |
| 461 | plist = venc_get_pmem_from_list(dvenc, buf.fd, buf.offset, |
| 462 | VENC_BUFFER_TYPE_INPUT); |
| 463 | if (NULL == plist) { |
| 464 | plist = venc_add_pmem_to_list(dvenc, &buf, |
| 465 | VENC_BUFFER_TYPE_INPUT); |
| 466 | if (plist == NULL) { |
| 467 | pr_err("%s: buffer add_to_pmem_list failed\n", |
| 468 | __func__); |
| 469 | return -EPERM; |
| 470 | } |
| 471 | } |
| 472 | |
| 473 | q6_input.flags = 0; |
| 474 | if (input.flags & VENC_FLAG_EOS) |
| 475 | q6_input.flags |= 0x00000001; |
| 476 | q6_input.yuv_buf.region = plist->buf.src; |
| 477 | q6_input.yuv_buf.phys = plist->buf.paddr; |
| 478 | q6_input.yuv_buf.size = plist->buf.size; |
| 479 | q6_input.yuv_buf.offset = 0; |
| 480 | q6_input.data_size = plist->buf.size; |
| 481 | q6_input.client_data = (u32)input.client_data; |
| 482 | q6_input.time_stamp = input.time_stamp; |
| 483 | q6_input.dvs_offsetx = 0; |
| 484 | q6_input.dvs_offsety = 0; |
| 485 | |
| 486 | TRACE("Pushing down input phys=0x%x fd= %d, client_data: 0x%x," |
| 487 | " time_stamp:%lld \n", q6_input.yuv_buf.phys, plist->buf.fd, |
| 488 | input.client_data, input.time_stamp); |
| 489 | ret = dal_call_f5(dvenc->q6_handle, VENC_DALRPC_QUEUE_INPUT, |
| 490 | &q6_input, sizeof(q6_input)); |
| 491 | |
| 492 | if (ret != 0) |
| 493 | pr_err("%s: Q6 queue_input failed (%d)\n", __func__, |
| 494 | (int)ret); |
| 495 | return ret; |
| 496 | } |
| 497 | |
| 498 | static int venc_fill_output(struct venc_dev *dvenc, void *argp) |
| 499 | { |
| 500 | int ret = 0; |
| 501 | struct venc_pmem buf; |
| 502 | struct venc_output_buf q6_output; |
| 503 | struct venc_pmem_list *plist; |
| 504 | struct venc_buffer output; |
| 505 | |
| 506 | ret = copy_from_user(&output, argp, sizeof(struct venc_buffer)); |
| 507 | if (ret) { |
| 508 | pr_err("%s: copy_from_user failed\n", __func__); |
| 509 | return ret; |
| 510 | } |
| 511 | ret = copy_from_user(&buf, |
| 512 | ((struct venc_buffer *)argp)->ptr_buffer, |
| 513 | sizeof(struct venc_pmem)); |
| 514 | if (ret) { |
| 515 | pr_err("%s: copy_from_user failed\n", __func__); |
| 516 | return ret; |
| 517 | } |
| 518 | plist = venc_get_pmem_from_list(dvenc, buf.fd, buf.offset, |
| 519 | VENC_BUFFER_TYPE_OUTPUT); |
| 520 | if (NULL == plist) { |
| 521 | plist = venc_add_pmem_to_list(dvenc, &buf, |
| 522 | VENC_BUFFER_TYPE_OUTPUT); |
| 523 | if (NULL == plist) { |
| 524 | pr_err("%s: output buffer failed to add_to_pmem_list" |
| 525 | "\n", __func__); |
| 526 | return -EPERM; |
| 527 | } |
| 528 | } |
| 529 | q6_output.bit_stream_buf.region = plist->buf.src; |
| 530 | q6_output.bit_stream_buf.phys = (u32)plist->buf.paddr; |
| 531 | q6_output.bit_stream_buf.size = plist->buf.size; |
| 532 | q6_output.bit_stream_buf.offset = 0; |
| 533 | q6_output.client_data = (u32)output.client_data; |
| 534 | ret = |
| 535 | dal_call_f5(dvenc->q6_handle, VENC_DALRPC_QUEUE_OUTPUT, &q6_output, |
| 536 | sizeof(q6_output)); |
| 537 | if (ret != 0) |
| 538 | pr_err("%s: remote function failed (%d)\n", __func__, ret); |
| 539 | return ret; |
| 540 | } |
| 541 | |
| 542 | static int venc_stop(struct venc_dev *dvenc) |
| 543 | { |
| 544 | int ret = 0; |
| 545 | struct venc_msg msg; |
| 546 | |
| 547 | ret = dal_call_f0(dvenc->q6_handle, VENC_DALRPC_STOP, 1); |
| 548 | if (ret) { |
| 549 | pr_err("%s: remote runction failed (%d)\n", __func__, ret); |
| 550 | msg.msg_code = VENC_MSG_STOP; |
| 551 | msg.msg_data_size = 0; |
| 552 | msg.status_code = VENC_S_EFAIL; |
| 553 | venc_put_msg(dvenc, &msg); |
| 554 | } |
| 555 | return ret; |
| 556 | } |
| 557 | |
| 558 | static int venc_pause(struct venc_dev *dvenc) |
| 559 | { |
| 560 | int ret = 0; |
| 561 | struct venc_msg msg; |
| 562 | |
| 563 | ret = dal_call_f0(dvenc->q6_handle, VENC_DALRPC_SUSPEND, 1); |
| 564 | if (ret) { |
| 565 | pr_err("%s: remote function failed (%d)\n", __func__, ret); |
| 566 | msg.msg_code = VENC_MSG_PAUSE; |
| 567 | msg.status_code = VENC_S_EFAIL; |
| 568 | msg.msg_data_size = 0; |
| 569 | venc_put_msg(dvenc, &msg); |
| 570 | } |
| 571 | return ret; |
| 572 | } |
| 573 | |
| 574 | static int venc_resume(struct venc_dev *dvenc) |
| 575 | { |
| 576 | int ret = 0; |
| 577 | struct venc_msg msg; |
| 578 | |
| 579 | ret = dal_call_f0(dvenc->q6_handle, VENC_DALRPC_RESUME, 1); |
| 580 | if (ret) { |
| 581 | pr_err("%s: remote function failed (%d)\n", __func__, ret); |
| 582 | msg.msg_code = VENC_MSG_RESUME; |
| 583 | msg.msg_data_size = 0; |
| 584 | msg.status_code = VENC_S_EFAIL; |
| 585 | venc_put_msg(dvenc, &msg); |
| 586 | } |
| 587 | return ret; |
| 588 | } |
| 589 | |
| 590 | static int venc_flush(struct venc_dev *dvenc, void *argp) |
| 591 | { |
| 592 | int ret = 0; |
| 593 | struct venc_msg msg; |
| 594 | union venc_msg_data smsg; |
| 595 | int status = VENC_S_SUCCESS; |
| 596 | struct venc_buffer_flush flush; |
| 597 | |
| 598 | if (copy_from_user(&flush, argp, sizeof(struct venc_buffer_flush))) |
| 599 | return -EFAULT; |
| 600 | if (flush.flush_mode == VENC_FLUSH_ALL) { |
| 601 | ret = dal_call_f0(dvenc->q6_handle, VENC_DALRPC_FLUSH, 1); |
| 602 | if (ret) |
| 603 | status = VENC_S_EFAIL; |
| 604 | } else |
| 605 | status = VENC_S_ENOTSUPP; |
| 606 | |
| 607 | if (status != VENC_S_SUCCESS) { |
| 608 | if ((flush.flush_mode == VENC_FLUSH_INPUT) || |
| 609 | (flush.flush_mode == VENC_FLUSH_ALL)) { |
| 610 | smsg.flush_ret.flush_mode = VENC_FLUSH_INPUT; |
| 611 | msg.msg_data = smsg; |
| 612 | msg.status_code = status; |
| 613 | msg.msg_code = VENC_MSG_FLUSH; |
| 614 | msg.msg_data_size = sizeof(union venc_msg_data); |
| 615 | venc_put_msg(dvenc, &msg); |
| 616 | } |
| 617 | if (flush.flush_mode == VENC_FLUSH_OUTPUT || |
| 618 | (flush.flush_mode == VENC_FLUSH_ALL)) { |
| 619 | smsg.flush_ret.flush_mode = VENC_FLUSH_OUTPUT; |
| 620 | msg.msg_data = smsg; |
| 621 | msg.status_code = status; |
| 622 | msg.msg_code = VENC_MSG_FLUSH; |
| 623 | msg.msg_data_size = sizeof(union venc_msg_data); |
| 624 | venc_put_msg(dvenc, &msg); |
| 625 | } |
| 626 | return -EIO; |
| 627 | } |
| 628 | return ret; |
| 629 | } |
| 630 | |
| 631 | static int venc_get_sequence_hdr(struct venc_dev *dvenc, void *argp) |
| 632 | { |
| 633 | pr_err("%s not supported\n", __func__); |
| 634 | return -EIO; |
| 635 | } |
| 636 | |
| 637 | static int venc_set_qp_range(struct venc_dev *dvenc, void *argp) |
| 638 | { |
| 639 | int ret = 0; |
| 640 | struct venc_qp_range qp; |
| 641 | |
| 642 | ret = copy_from_user(&qp, argp, sizeof(struct venc_qp_range)); |
| 643 | if (ret) { |
| 644 | pr_err("%s: copy_from_user failed\n", __func__); |
| 645 | return ret; |
| 646 | } |
| 647 | |
| 648 | if (dvenc->state == VENC_STATE_START || |
| 649 | dvenc->state == VENC_STATE_PAUSE) { |
| 650 | ret = |
| 651 | dal_call_f5(dvenc->q6_handle, VENC_DALRPC_UPDATE_QP_RANGE, |
| 652 | &qp, sizeof(struct venc_qp_range)); |
| 653 | if (ret) { |
| 654 | pr_err("%s: remote function failed (%d) \n", __func__, |
| 655 | ret); |
| 656 | return ret; |
| 657 | } |
| 658 | } |
| 659 | return ret; |
| 660 | } |
| 661 | |
| 662 | static int venc_set_intra_period(struct venc_dev *dvenc, void *argp) |
| 663 | { |
| 664 | int ret = 0; |
| 665 | u32 pnum = 0; |
| 666 | |
| 667 | ret = copy_from_user(&pnum, argp, sizeof(int)); |
| 668 | if (ret) { |
| 669 | pr_err("%s: copy_from_user failed\n", __func__); |
| 670 | return ret; |
| 671 | } |
| 672 | if (dvenc->state == VENC_STATE_START || |
| 673 | dvenc->state == VENC_STATE_PAUSE) { |
| 674 | ret = dal_call_f0(dvenc->q6_handle, |
| 675 | VENC_DALRPC_UPDATE_INTRA_PERIOD, pnum); |
| 676 | if (ret) |
| 677 | pr_err("%s: remote function failed (%d)\n", __func__, |
| 678 | ret); |
| 679 | } |
| 680 | return ret; |
| 681 | } |
| 682 | |
| 683 | static int venc_set_intra_refresh(struct venc_dev *dvenc, void *argp) |
| 684 | { |
| 685 | int ret = 0; |
| 686 | u32 mb_num = 0; |
| 687 | |
| 688 | ret = copy_from_user(&mb_num, argp, sizeof(int)); |
| 689 | if (ret) { |
| 690 | pr_err("%s: copy_from_user failed\n", __func__); |
| 691 | return ret; |
| 692 | } |
| 693 | if (dvenc->state == VENC_STATE_START || |
| 694 | dvenc->state == VENC_STATE_PAUSE) { |
| 695 | ret = dal_call_f0(dvenc->q6_handle, |
| 696 | VENC_DALRPC_UPDATE_INTRA_REFRESH, mb_num); |
| 697 | if (ret) |
| 698 | pr_err("%s: remote function failed (%d)\n", __func__, |
| 699 | ret); |
| 700 | } |
| 701 | return ret; |
| 702 | } |
| 703 | |
| 704 | static int venc_set_frame_rate(struct venc_dev *dvenc, void *argp) |
| 705 | { |
| 706 | int ret = 0; |
| 707 | struct venc_frame_rate pdata; |
| 708 | ret = copy_from_user(&pdata, argp, sizeof(struct venc_frame_rate)); |
| 709 | if (ret) { |
| 710 | pr_err("%s: copy_from_user failed\n", __func__); |
| 711 | return ret; |
| 712 | } |
| 713 | if (dvenc->state == VENC_STATE_START || |
| 714 | dvenc->state == VENC_STATE_PAUSE) { |
| 715 | ret = dal_call_f5(dvenc->q6_handle, |
| 716 | VENC_DALRPC_UPDATE_FRAME_RATE, |
| 717 | (void *)&(pdata), |
| 718 | sizeof(struct venc_frame_rate)); |
| 719 | if (ret) |
| 720 | pr_err("%s: remote function failed (%d)\n", __func__, |
| 721 | ret); |
| 722 | } |
| 723 | return ret; |
| 724 | } |
| 725 | |
| 726 | static int venc_set_target_bitrate(struct venc_dev *dvenc, void *argp) |
| 727 | { |
| 728 | int ret = 0; |
| 729 | u32 pdata = 0; |
| 730 | |
| 731 | ret = copy_from_user(&pdata, argp, sizeof(int)); |
| 732 | if (ret) { |
| 733 | pr_err("%s: copy_from_user failed\n", __func__); |
| 734 | return ret; |
| 735 | } |
| 736 | if (dvenc->state == VENC_STATE_START || |
| 737 | dvenc->state == VENC_STATE_PAUSE) { |
| 738 | ret = dal_call_f0(dvenc->q6_handle, |
| 739 | VENC_DALRPC_UPDATE_BITRATE, pdata); |
| 740 | if (ret) |
| 741 | pr_err("%s: remote function failed (%d)\n", __func__, |
| 742 | ret); |
| 743 | } |
| 744 | return ret; |
| 745 | } |
| 746 | |
| 747 | static int venc_request_iframe(struct venc_dev *dvenc) |
| 748 | { |
| 749 | int ret = 0; |
| 750 | |
| 751 | if (dvenc->state != VENC_STATE_START) |
| 752 | return -EINVAL; |
| 753 | |
| 754 | ret = dal_call_f0(dvenc->q6_handle, VENC_DALRPC_REQUEST_IFRAME, 1); |
| 755 | if (ret) |
| 756 | pr_err("%s: remote function failed (%d)\n", __func__, ret); |
| 757 | return ret; |
| 758 | } |
| 759 | |
| 760 | static int venc_stop_read_msg(struct venc_dev *dvenc) |
| 761 | { |
| 762 | struct venc_msg msg; |
| 763 | int ret = 0; |
| 764 | |
| 765 | msg.status_code = 0; |
| 766 | msg.msg_code = VENC_MSG_STOP_READING_MSG; |
| 767 | msg.msg_data_size = 0; |
| 768 | venc_put_msg(dvenc, &msg); |
| 769 | return ret; |
| 770 | } |
| 771 | |
| 772 | static int venc_q6_stop(struct venc_dev *dvenc) |
| 773 | { |
| 774 | int ret = 0; |
| 775 | struct venc_pmem_list *plist; |
| 776 | unsigned long flags; |
| 777 | |
| 778 | wake_up(&dvenc->venc_msg_evt); |
| 779 | spin_lock_irqsave(&dvenc->venc_pmem_list_lock, flags); |
| 780 | if (!dvenc->pmem_freed) { |
| 781 | list_for_each_entry(plist, &dvenc->venc_pmem_list_head, list) |
| 782 | put_pmem_file(plist->buf.file); |
| 783 | dvenc->pmem_freed = 1; |
| 784 | } |
| 785 | spin_unlock_irqrestore(&dvenc->venc_pmem_list_lock, flags); |
| 786 | |
| 787 | dvenc->state = VENC_STATE_STOP; |
| 788 | return ret; |
| 789 | } |
| 790 | |
| 791 | static int venc_translate_error(enum venc_status_code q6_status) |
| 792 | { |
| 793 | int ret = 0; |
| 794 | |
| 795 | switch (q6_status) { |
| 796 | case VENC_STATUS_SUCCESS: |
| 797 | ret = VENC_S_SUCCESS; |
| 798 | break; |
| 799 | case VENC_STATUS_ERROR: |
| 800 | ret = VENC_S_EFAIL; |
| 801 | break; |
| 802 | case VENC_STATUS_INVALID_STATE: |
| 803 | ret = VENC_S_EINVALSTATE; |
| 804 | break; |
| 805 | case VENC_STATUS_FLUSHING: |
| 806 | ret = VENC_S_EFLUSHED; |
| 807 | break; |
| 808 | case VENC_STATUS_INVALID_PARAM: |
| 809 | ret = VENC_S_EBADPARAM; |
| 810 | break; |
| 811 | case VENC_STATUS_CMD_QUEUE_FULL: |
| 812 | ret = VENC_S_ECMDQFULL; |
| 813 | break; |
| 814 | case VENC_STATUS_CRITICAL: |
| 815 | ret = VENC_S_EFATAL; |
| 816 | break; |
| 817 | case VENC_STATUS_INSUFFICIENT_RESOURCES: |
| 818 | ret = VENC_S_ENOHWRES; |
| 819 | break; |
| 820 | case VENC_STATUS_TIMEOUT: |
| 821 | ret = VENC_S_ETIMEOUT; |
| 822 | break; |
| 823 | } |
| 824 | if (q6_status != VENC_STATUS_SUCCESS) |
| 825 | pr_err("%s: Q6 failed (%d)", __func__, (int)q6_status); |
| 826 | return ret; |
| 827 | } |
| 828 | |
| 829 | static void venc_q6_callback(void *data, int len, void *cookie) |
| 830 | { |
| 831 | int status = 0; |
| 832 | struct venc_dev *dvenc = (struct venc_dev *)cookie; |
| 833 | struct venc_msg_type *q6_msg = NULL; |
| 834 | struct venc_msg msg, msg1; |
| 835 | union venc_msg_data smsg1, smsg2; |
| 836 | unsigned long msg_code = 0; |
| 837 | struct venc_input_payload *pload1; |
| 838 | struct venc_output_payload *pload2; |
| 839 | uint32_t * tmp = (uint32_t *) data; |
| 840 | |
| 841 | if (dvenc == NULL) { |
| 842 | pr_err("%s: empty driver parameter\n", __func__); |
| 843 | return; |
| 844 | } |
| 845 | if (tmp[2] == sizeof(struct venc_msg_type)) { |
| 846 | q6_msg = (struct venc_msg_type *)&tmp[3]; |
| 847 | } else { |
| 848 | pr_err("%s: callback with empty message (%d, %d)\n", |
| 849 | __func__, tmp[2], sizeof(struct venc_msg_type)); |
| 850 | return; |
| 851 | } |
| 852 | msg.msg_data_size = 0; |
| 853 | status = venc_translate_error(q6_msg->status); |
| 854 | switch ((enum venc_event_type_enum)q6_msg->event) { |
| 855 | case VENC_EVENT_START_STATUS: |
| 856 | dvenc->state = VENC_STATE_START; |
| 857 | msg_code = VENC_MSG_START; |
| 858 | break; |
| 859 | case VENC_EVENT_STOP_STATUS: |
| 860 | venc_q6_stop(dvenc); |
| 861 | msg_code = VENC_MSG_STOP; |
| 862 | break; |
| 863 | case VENC_EVENT_SUSPEND_STATUS: |
| 864 | dvenc->state = VENC_STATE_PAUSE; |
| 865 | msg_code = VENC_MSG_PAUSE; |
| 866 | break; |
| 867 | case VENC_EVENT_RESUME_STATUS: |
| 868 | dvenc->state = VENC_STATE_START; |
| 869 | msg_code = VENC_MSG_RESUME; |
| 870 | break; |
| 871 | case VENC_EVENT_FLUSH_STATUS: |
| 872 | smsg1.flush_ret.flush_mode = VENC_FLUSH_INPUT; |
| 873 | msg1.status_code = status; |
| 874 | msg1.msg_code = VENC_MSG_FLUSH; |
| 875 | msg1.msg_data = smsg1; |
| 876 | msg1.msg_data_size = sizeof(union venc_msg_data); |
| 877 | venc_put_msg(dvenc, &msg1); |
| 878 | smsg2.flush_ret.flush_mode = VENC_FLUSH_OUTPUT; |
| 879 | msg_code = VENC_MSG_FLUSH; |
| 880 | msg.msg_data = smsg2; |
| 881 | msg.msg_data_size = sizeof(union venc_msg_data); |
| 882 | break; |
| 883 | case VENC_EVENT_RELEASE_INPUT: |
| 884 | pload1 = &((q6_msg->payload).input_payload); |
| 885 | TRACE("Release_input: data: 0x%x \n", pload1->data); |
| 886 | if (pload1 != NULL) { |
| 887 | msg.msg_data.buf.client_data = pload1->data; |
| 888 | msg_code = VENC_MSG_INPUT_BUFFER_DONE; |
| 889 | msg.msg_data_size = sizeof(union venc_msg_data); |
| 890 | } |
| 891 | break; |
| 892 | case VENC_EVENT_DELIVER_OUTPUT: |
| 893 | pload2 = &((q6_msg->payload).output_payload); |
| 894 | smsg1.buf.flags = 0; |
| 895 | if (pload2->flags & VENC_FLAG_SYNC_FRAME) |
| 896 | smsg1.buf.flags |= VENC_FLAG_SYNC_FRAME; |
| 897 | if (pload2->flags & VENC_FLAG_CODEC_CONFIG) |
| 898 | smsg1.buf.flags |= VENC_FLAG_CODEC_CONFIG; |
| 899 | if (pload2->flags & VENC_FLAG_END_OF_FRAME) |
| 900 | smsg1.buf.flags |= VENC_FLAG_END_OF_FRAME; |
| 901 | if (pload2->flags & VENC_FLAG_EOS) |
| 902 | smsg1.buf.flags |= VENC_FLAG_EOS; |
| 903 | smsg1.buf.len = pload2->size; |
| 904 | smsg1.buf.offset = 0; |
| 905 | smsg1.buf.time_stamp = pload2->time_stamp; |
| 906 | smsg1.buf.client_data = pload2->data; |
| 907 | msg_code = VENC_MSG_OUTPUT_BUFFER_DONE; |
| 908 | msg.msg_data = smsg1; |
| 909 | msg.msg_data_size = sizeof(union venc_msg_data); |
| 910 | break; |
| 911 | default: |
| 912 | pr_err("%s: invalid response from Q6 (%d)\n", __func__, |
| 913 | (int)q6_msg->event); |
| 914 | return; |
| 915 | } |
| 916 | msg.status_code = status; |
| 917 | msg.msg_code = msg_code; |
| 918 | venc_put_msg(dvenc, &msg); |
| 919 | return; |
| 920 | } |
| 921 | |
| 922 | static int venc_get_version(struct venc_dev *dvenc, void *argp) |
| 923 | { |
| 924 | struct venc_version ver_info; |
| 925 | int ret = 0; |
| 926 | |
| 927 | ver_info.major = VENC_GET_MAJOR_VERSION(VENC_INTERFACE_VERSION); |
| 928 | ver_info.minor = VENC_GET_MINOR_VERSION(VENC_INTERFACE_VERSION); |
| 929 | |
| 930 | ret = copy_to_user(((struct venc_version *)argp), |
| 931 | &ver_info, sizeof(ver_info)); |
| 932 | if (ret) |
| 933 | pr_err("%s failed to copy_to_user\n", __func__); |
| 934 | |
| 935 | return ret; |
| 936 | |
| 937 | } |
| 938 | |
| 939 | static long q6venc_ioctl(struct file *file, u32 cmd, |
| 940 | unsigned long arg) |
| 941 | { |
| 942 | long ret = 0; |
| 943 | void __user *argp = (void __user *)arg; |
| 944 | struct venc_dev *dvenc = file->private_data; |
| 945 | |
| 946 | if (!dvenc || !dvenc->is_active) |
| 947 | return -EPERM; |
| 948 | |
| 949 | switch (cmd) { |
| 950 | case VENC_IOCTL_SET_INPUT_BUFFER: |
| 951 | ret = venc_set_buffer(dvenc, argp, VENC_BUFFER_TYPE_INPUT); |
| 952 | break; |
| 953 | case VENC_IOCTL_SET_OUTPUT_BUFFER: |
| 954 | ret = venc_set_buffer(dvenc, argp, VENC_BUFFER_TYPE_OUTPUT); |
| 955 | break; |
| 956 | case VENC_IOCTL_GET_SEQUENCE_HDR: |
| 957 | ret = venc_get_sequence_hdr(dvenc, argp); |
| 958 | break; |
| 959 | case VENC_IOCTL_SET_QP_RANGE: |
| 960 | ret = venc_set_qp_range(dvenc, argp); |
| 961 | break; |
| 962 | case VENC_IOCTL_SET_INTRA_PERIOD: |
| 963 | ret = venc_set_intra_period(dvenc, argp); |
| 964 | break; |
| 965 | case VENC_IOCTL_SET_INTRA_REFRESH: |
| 966 | ret = venc_set_intra_refresh(dvenc, argp); |
| 967 | break; |
| 968 | case VENC_IOCTL_SET_FRAME_RATE: |
| 969 | ret = venc_set_frame_rate(dvenc, argp); |
| 970 | break; |
| 971 | case VENC_IOCTL_SET_TARGET_BITRATE: |
| 972 | ret = venc_set_target_bitrate(dvenc, argp); |
| 973 | break; |
| 974 | case VENC_IOCTL_CMD_REQUEST_IFRAME: |
| 975 | if (dvenc->state == VENC_STATE_START) |
| 976 | ret = venc_request_iframe(dvenc); |
| 977 | break; |
| 978 | case VENC_IOCTL_CMD_START: |
| 979 | ret = venc_start(dvenc, argp); |
| 980 | break; |
| 981 | case VENC_IOCTL_CMD_STOP: |
| 982 | ret = venc_stop(dvenc); |
| 983 | break; |
| 984 | case VENC_IOCTL_CMD_PAUSE: |
| 985 | ret = venc_pause(dvenc); |
| 986 | break; |
| 987 | case VENC_IOCTL_CMD_RESUME: |
| 988 | ret = venc_resume(dvenc); |
| 989 | break; |
| 990 | case VENC_IOCTL_CMD_ENCODE_FRAME: |
| 991 | ret = venc_encode_frame(dvenc, argp); |
| 992 | break; |
| 993 | case VENC_IOCTL_CMD_FILL_OUTPUT_BUFFER: |
| 994 | ret = venc_fill_output(dvenc, argp); |
| 995 | break; |
| 996 | case VENC_IOCTL_CMD_FLUSH: |
| 997 | ret = venc_flush(dvenc, argp); |
| 998 | break; |
| 999 | case VENC_IOCTL_CMD_READ_NEXT_MSG: |
| 1000 | wait_event_interruptible(dvenc->venc_msg_evt, |
| 1001 | venc_get_msg(dvenc, argp)); |
| 1002 | break; |
| 1003 | case VENC_IOCTL_CMD_STOP_READ_MSG: |
| 1004 | ret = venc_stop_read_msg(dvenc); |
| 1005 | break; |
| 1006 | case VENC_IOCTL_GET_VERSION: |
| 1007 | ret = venc_get_version(dvenc, argp); |
| 1008 | break; |
| 1009 | default: |
| 1010 | pr_err("%s: invalid ioctl code (%d)\n", __func__, cmd); |
| 1011 | ret = -ENOTTY; |
| 1012 | break; |
| 1013 | } |
| 1014 | return ret; |
| 1015 | } |
| 1016 | |
| 1017 | static int q6venc_open(struct inode *inode, struct file *file) |
| 1018 | { |
| 1019 | int i; |
| 1020 | int ret = 0; |
| 1021 | struct venc_dev *dvenc; |
| 1022 | struct venc_msg_list *plist, *tmp; |
| 1023 | struct dal_info version_info; |
| 1024 | |
| 1025 | dvenc = kzalloc(sizeof(struct venc_dev), GFP_KERNEL); |
| 1026 | if (!dvenc) { |
| 1027 | pr_err("%s: unable to allocate memory for struct venc_dev\n", |
| 1028 | __func__); |
| 1029 | return -ENOMEM; |
| 1030 | } |
| 1031 | file->private_data = dvenc; |
| 1032 | INIT_LIST_HEAD(&dvenc->venc_msg_list_head); |
| 1033 | INIT_LIST_HEAD(&dvenc->venc_msg_list_free); |
| 1034 | INIT_LIST_HEAD(&dvenc->venc_pmem_list_head); |
| 1035 | init_waitqueue_head(&dvenc->venc_msg_evt); |
| 1036 | spin_lock_init(&dvenc->venc_msg_list_lock); |
| 1037 | spin_lock_init(&dvenc->venc_pmem_list_lock); |
| 1038 | venc_ref++; |
| 1039 | for (i = 0; i < VENC_MSG_MAX; i++) { |
| 1040 | plist = kzalloc(sizeof(struct venc_msg_list), GFP_KERNEL); |
| 1041 | if (!plist) { |
| 1042 | pr_err("%s: kzalloc failed\n", __func__); |
| 1043 | ret = -ENOMEM; |
| 1044 | goto err_venc_create_msg_list; |
| 1045 | } |
| 1046 | list_add(&plist->list, &dvenc->venc_msg_list_free); |
| 1047 | } |
| 1048 | dvenc->q6_handle = |
| 1049 | dal_attach(DALDEVICEID_VENC_DEVICE, DALDEVICEID_VENC_PORTNAME, 1, |
| 1050 | venc_q6_callback, (void *)dvenc); |
| 1051 | if (!(dvenc->q6_handle)) { |
| 1052 | pr_err("%s: daldevice_attach failed (%d)\n", __func__, ret); |
| 1053 | goto err_venc_dal_attach; |
| 1054 | } |
| 1055 | ret = dal_call_f9(dvenc->q6_handle, DAL_OP_INFO, &version_info, |
| 1056 | sizeof(struct dal_info)); |
| 1057 | if (ret) { |
| 1058 | pr_err("%s: failed to get version\n", __func__); |
| 1059 | goto err_venc_dal_open; |
| 1060 | } |
| 1061 | if (venc_check_version(VENC_INTERFACE_VERSION, version_info.version)) { |
| 1062 | pr_err("%s: driver version mismatch\n", __func__); |
| 1063 | goto err_venc_dal_open; |
| 1064 | } |
| 1065 | ret = dal_call_f0(dvenc->q6_handle, DAL_OP_OPEN, 1); |
| 1066 | if (ret) { |
| 1067 | pr_err("%s: dal_call_open failed (%d)\n", __func__, ret); |
| 1068 | goto err_venc_dal_open; |
| 1069 | } |
| 1070 | dvenc->state = VENC_STATE_STOP; |
| 1071 | dvenc->is_active = 1; |
| 1072 | prevent_sleep(); |
| 1073 | return ret; |
| 1074 | err_venc_dal_open: |
| 1075 | dal_detach(dvenc->q6_handle); |
| 1076 | err_venc_dal_attach: |
| 1077 | list_for_each_entry_safe(plist, tmp, &dvenc->venc_msg_list_free, list) { |
| 1078 | list_del(&plist->list); |
| 1079 | kfree(plist); |
| 1080 | } |
| 1081 | err_venc_create_msg_list: |
| 1082 | kfree(dvenc); |
| 1083 | venc_ref--; |
| 1084 | return ret; |
| 1085 | } |
| 1086 | |
| 1087 | static int q6venc_release(struct inode *inode, struct file *file) |
| 1088 | { |
| 1089 | int ret = 0; |
| 1090 | struct venc_msg_list *l, *n; |
| 1091 | struct venc_pmem_list *plist, *m; |
| 1092 | struct venc_dev *dvenc; |
| 1093 | unsigned long flags; |
| 1094 | |
| 1095 | venc_ref--; |
| 1096 | dvenc = file->private_data; |
| 1097 | dvenc->is_active = 0; |
| 1098 | wake_up_all(&dvenc->venc_msg_evt); |
| 1099 | dal_call_f0(dvenc->q6_handle, VENC_DALRPC_STOP, 1); |
| 1100 | dal_call_f0(dvenc->q6_handle, DAL_OP_CLOSE, 1); |
| 1101 | dal_detach(dvenc->q6_handle); |
| 1102 | list_for_each_entry_safe(l, n, &dvenc->venc_msg_list_free, list) { |
| 1103 | list_del(&l->list); |
| 1104 | kfree(l); |
| 1105 | } |
| 1106 | list_for_each_entry_safe(l, n, &dvenc->venc_msg_list_head, list) { |
| 1107 | list_del(&l->list); |
| 1108 | kfree(l); |
| 1109 | } |
| 1110 | spin_lock_irqsave(&dvenc->venc_pmem_list_lock, flags); |
| 1111 | if (!dvenc->pmem_freed) { |
| 1112 | list_for_each_entry(plist, &dvenc->venc_pmem_list_head, list) |
| 1113 | put_pmem_file(plist->buf.file); |
| 1114 | dvenc->pmem_freed = 1; |
| 1115 | } |
| 1116 | spin_unlock_irqrestore(&dvenc->venc_pmem_list_lock, flags); |
| 1117 | |
| 1118 | list_for_each_entry_safe(plist, m, &dvenc->venc_pmem_list_head, list) { |
| 1119 | list_del(&plist->list); |
| 1120 | kfree(plist); |
| 1121 | } |
| 1122 | kfree(dvenc); |
| 1123 | allow_sleep(); |
| 1124 | return ret; |
| 1125 | } |
| 1126 | |
| 1127 | const struct file_operations q6venc_fops = { |
| 1128 | .owner = THIS_MODULE, |
| 1129 | .open = q6venc_open, |
| 1130 | .release = q6venc_release, |
| 1131 | .unlocked_ioctl = q6venc_ioctl, |
| 1132 | }; |
| 1133 | |
| 1134 | static int __init q6venc_init(void) |
| 1135 | { |
| 1136 | int ret = 0; |
| 1137 | |
Stephen Boyd | 2fcabf9 | 2012-05-30 10:41:11 -0700 | [diff] [blame] | 1138 | pm_qos_add_request(&pm_qos_req, PM_QOS_CPU_DMA_LATENCY, |
| 1139 | PM_QOS_DEFAULT_VALUE); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1140 | wake_lock_init(&wakelock, WAKE_LOCK_SUSPEND, "venc_suspend"); |
| 1141 | |
| 1142 | venc_device_p = kzalloc(sizeof(struct venc_dev), GFP_KERNEL); |
| 1143 | if (!venc_device_p) { |
| 1144 | pr_err("%s: unable to allocate memory for venc_device_p\n", |
| 1145 | __func__); |
| 1146 | return -ENOMEM; |
| 1147 | } |
| 1148 | ret = alloc_chrdev_region(&venc_dev_num, 0, 1, VENC_NAME); |
| 1149 | if (ret < 0) { |
| 1150 | pr_err("%s: alloc_chrdev_region failed (%d)\n", __func__, |
| 1151 | ret); |
| 1152 | return ret; |
| 1153 | } |
| 1154 | venc_class = class_create(THIS_MODULE, VENC_NAME); |
| 1155 | if (IS_ERR(venc_class)) { |
| 1156 | ret = PTR_ERR(venc_class); |
| 1157 | pr_err("%s: failed to create venc_class (%d)\n", |
| 1158 | __func__, ret); |
| 1159 | goto err_venc_class_create; |
| 1160 | } |
| 1161 | venc_device_p->class_devp = |
| 1162 | device_create(venc_class, NULL, venc_dev_num, NULL, |
| 1163 | VENC_NAME); |
| 1164 | if (IS_ERR(venc_device_p->class_devp)) { |
| 1165 | ret = PTR_ERR(venc_device_p->class_devp); |
| 1166 | pr_err("%s: failed to create class_device (%d)\n", __func__, |
| 1167 | ret); |
| 1168 | goto err_venc_class_device_create; |
| 1169 | } |
| 1170 | cdev_init(&cdev, &q6venc_fops); |
| 1171 | cdev.owner = THIS_MODULE; |
| 1172 | ret = cdev_add(&cdev, venc_dev_num, 1); |
| 1173 | if (ret < 0) { |
| 1174 | pr_err("%s: cdev_add failed (%d)\n", __func__, ret); |
| 1175 | goto err_venc_cdev_add; |
| 1176 | } |
| 1177 | init_waitqueue_head(&venc_device_p->venc_msg_evt); |
| 1178 | return ret; |
| 1179 | |
| 1180 | err_venc_cdev_add: |
| 1181 | device_destroy(venc_class, venc_dev_num); |
| 1182 | err_venc_class_device_create: |
| 1183 | class_destroy(venc_class); |
| 1184 | err_venc_class_create: |
| 1185 | unregister_chrdev_region(venc_dev_num, 1); |
| 1186 | return ret; |
| 1187 | } |
| 1188 | |
| 1189 | static void __exit q6venc_exit(void) |
| 1190 | { |
| 1191 | cdev_del(&(cdev)); |
| 1192 | device_destroy(venc_class, venc_dev_num); |
| 1193 | class_destroy(venc_class); |
| 1194 | unregister_chrdev_region(venc_dev_num, 1); |
| 1195 | } |
| 1196 | |
| 1197 | MODULE_LICENSE("GPL v2"); |
| 1198 | MODULE_DESCRIPTION("Video encoder driver for QDSP6"); |
| 1199 | MODULE_VERSION("2.0"); |
| 1200 | module_init(q6venc_init); |
| 1201 | module_exit(q6venc_exit); |