1890 lines · c
1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.4 * Copyright (C) 2017 Linaro Ltd.5 */6#include <linux/clk.h>7#include <linux/module.h>8#include <linux/mod_devicetable.h>9#include <linux/platform_device.h>10#include <linux/pm_runtime.h>11#include <linux/slab.h>12#include <media/v4l2-ioctl.h>13#include <media/v4l2-event.h>14#include <media/v4l2-ctrls.h>15#include <media/v4l2-mem2mem.h>16#include <media/videobuf2-dma-contig.h>17 18#include "hfi_venus_io.h"19#include "hfi_parser.h"20#include "core.h"21#include "helpers.h"22#include "vdec.h"23#include "pm_helpers.h"24 25/*26 * Three resons to keep MPLANE formats (despite that the number of planes27 * currently is one):28 * - the MPLANE formats allow only one plane to be used29 * - the downstream driver use MPLANE formats too30 * - future firmware versions could add support for >1 planes31 */32static const struct venus_format vdec_formats[] = {33 [VENUS_FMT_NV12] = {34 .pixfmt = V4L2_PIX_FMT_NV12,35 .num_planes = 1,36 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,37 },38 [VENUS_FMT_QC08C] = {39 .pixfmt = V4L2_PIX_FMT_QC08C,40 .num_planes = 1,41 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,42 },43 [VENUS_FMT_QC10C] = {44 .pixfmt = V4L2_PIX_FMT_QC10C,45 .num_planes = 1,46 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,47 },48 [VENUS_FMT_P010] = {49 .pixfmt = V4L2_PIX_FMT_P010,50 .num_planes = 1,51 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,52 },53 [VENUS_FMT_H264] = {54 .pixfmt = V4L2_PIX_FMT_H264,55 .num_planes = 1,56 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,57 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,58 },59 [VENUS_FMT_VP8] = {60 .pixfmt = V4L2_PIX_FMT_VP8,61 .num_planes = 1,62 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,63 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,64 },65 [VENUS_FMT_VP9] = {66 .pixfmt = V4L2_PIX_FMT_VP9,67 .num_planes = 1,68 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,69 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,70 },71 [VENUS_FMT_HEVC] = {72 .pixfmt = V4L2_PIX_FMT_HEVC,73 .num_planes = 1,74 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,75 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,76 },77 [VENUS_FMT_VC1_ANNEX_G] = {78 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G,79 .num_planes = 1,80 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,81 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,82 },83 [VENUS_FMT_VC1_ANNEX_L] = {84 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L,85 .num_planes = 1,86 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,87 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,88 },89 [VENUS_FMT_MPEG4] = {90 .pixfmt = V4L2_PIX_FMT_MPEG4,91 .num_planes = 1,92 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,93 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,94 },95 [VENUS_FMT_MPEG2] = {96 .pixfmt = V4L2_PIX_FMT_MPEG2,97 .num_planes = 1,98 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,99 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,100 },101 [VENUS_FMT_H263] = {102 .pixfmt = V4L2_PIX_FMT_H263,103 .num_planes = 1,104 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,105 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,106 },107 [VENUS_FMT_XVID] = {108 .pixfmt = V4L2_PIX_FMT_XVID,109 .num_planes = 1,110 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,111 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,112 },113 114};115 116static const struct venus_format *117find_format(struct venus_inst *inst, u32 pixfmt, u32 type)118{119 const struct venus_format *fmt = vdec_formats;120 unsigned int size = ARRAY_SIZE(vdec_formats);121 unsigned int i;122 123 for (i = 0; i < size; i++) {124 if (fmt[i].pixfmt == pixfmt)125 break;126 }127 128 if (i == size || fmt[i].type != type)129 return NULL;130 131 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&132 !venus_helper_check_codec(inst, fmt[i].pixfmt))133 return NULL;134 135 if (V4L2_TYPE_IS_CAPTURE(type) &&136 !venus_helper_check_format(inst, fmt[i].pixfmt))137 return NULL;138 139 if (V4L2_TYPE_IS_CAPTURE(type) && fmt[i].pixfmt == V4L2_PIX_FMT_QC10C &&140 !(inst->bit_depth == VIDC_BITDEPTH_10))141 return NULL;142 143 return &fmt[i];144}145 146static const struct venus_format *147find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)148{149 const struct venus_format *fmt = vdec_formats;150 unsigned int size = ARRAY_SIZE(vdec_formats);151 unsigned int i, k = 0;152 153 if (index > size)154 return NULL;155 156 for (i = 0; i < size; i++) {157 bool valid;158 159 if (fmt[i].type != type)160 continue;161 162 if (V4L2_TYPE_IS_OUTPUT(type)) {163 valid = venus_helper_check_codec(inst, fmt[i].pixfmt);164 } else if (V4L2_TYPE_IS_CAPTURE(type)) {165 valid = venus_helper_check_format(inst, fmt[i].pixfmt);166 167 if (fmt[i].pixfmt == V4L2_PIX_FMT_QC10C &&168 !(inst->bit_depth == VIDC_BITDEPTH_10))169 valid = false;170 }171 172 if (k == index && valid)173 break;174 if (valid)175 k++;176 }177 178 if (i == size)179 return NULL;180 181 return &fmt[i];182}183 184static const struct venus_format *185vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)186{187 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;188 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;189 const struct venus_format *fmt;190 u32 szimage;191 192 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));193 memset(pixmp->reserved, 0, sizeof(pixmp->reserved));194 195 fmt = find_format(inst, pixmp->pixelformat, f->type);196 if (!fmt) {197 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)198 pixmp->pixelformat = V4L2_PIX_FMT_NV12;199 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)200 pixmp->pixelformat = V4L2_PIX_FMT_H264;201 else202 return NULL;203 fmt = find_format(inst, pixmp->pixelformat, f->type);204 if (!fmt)205 return NULL;206 }207 208 pixmp->width = clamp(pixmp->width, frame_width_min(inst),209 frame_width_max(inst));210 pixmp->height = clamp(pixmp->height, frame_height_min(inst),211 frame_height_max(inst));212 213 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)214 pixmp->height = ALIGN(pixmp->height, 32);215 216 if (pixmp->field == V4L2_FIELD_ANY)217 pixmp->field = V4L2_FIELD_NONE;218 pixmp->num_planes = fmt->num_planes;219 pixmp->flags = 0;220 221 szimage = venus_helper_get_framesz(pixmp->pixelformat, pixmp->width,222 pixmp->height);223 224 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {225 unsigned int stride = pixmp->width;226 227 if (pixmp->pixelformat == V4L2_PIX_FMT_P010)228 stride *= 2;229 230 pfmt[0].sizeimage = szimage;231 pfmt[0].bytesperline = ALIGN(stride, 128);232 } else {233 pfmt[0].sizeimage = clamp_t(u32, pfmt[0].sizeimage, 0, SZ_8M);234 pfmt[0].sizeimage = max(pfmt[0].sizeimage, szimage);235 pfmt[0].bytesperline = 0;236 }237 238 return fmt;239}240 241static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f)242{243 struct venus_inst *inst = to_inst(file);244 245 vdec_try_fmt_common(inst, f);246 247 return 0;248}249 250static int vdec_check_src_change(struct venus_inst *inst)251{252 int ret;253 254 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE &&255 inst->codec_state == VENUS_DEC_STATE_INIT &&256 !inst->reconfig)257 return -EINVAL;258 259 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE)260 return 0;261 262 /*263 * The code snippet below is a workaround for backward compatibility264 * with applications which doesn't support V4L2 events. It will be265 * dropped in future once those applications are fixed.266 */267 268 if (inst->codec_state != VENUS_DEC_STATE_INIT)269 goto done;270 271 ret = wait_event_timeout(inst->reconf_wait, inst->reconfig,272 msecs_to_jiffies(100));273 if (!ret)274 return -EINVAL;275 276 if (!(inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) ||277 !inst->reconfig)278 dev_dbg(inst->core->dev, VDBGH "wrong state\n");279 280done:281 return 0;282}283 284static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f)285{286 struct venus_inst *inst = to_inst(file);287 const struct venus_format *fmt = NULL;288 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;289 int ret;290 291 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)292 fmt = inst->fmt_cap;293 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)294 fmt = inst->fmt_out;295 296 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {297 ret = vdec_check_src_change(inst);298 if (ret)299 return ret;300 }301 302 pixmp->pixelformat = fmt->pixfmt;303 304 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {305 pixmp->width = inst->width;306 pixmp->height = inst->height;307 pixmp->colorspace = inst->colorspace;308 pixmp->ycbcr_enc = inst->ycbcr_enc;309 pixmp->quantization = inst->quantization;310 pixmp->xfer_func = inst->xfer_func;311 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {312 pixmp->width = inst->out_width;313 pixmp->height = inst->out_height;314 }315 316 vdec_try_fmt_common(inst, f);317 318 return 0;319}320 321static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f)322{323 struct venus_inst *inst = to_inst(file);324 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;325 struct v4l2_pix_format_mplane orig_pixmp;326 const struct venus_format *fmt;327 struct v4l2_format format;328 u32 pixfmt_out = 0, pixfmt_cap = 0;329 struct vb2_queue *q;330 331 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type);332 if (!q)333 return -EINVAL;334 335 if (vb2_is_busy(q))336 return -EBUSY;337 338 orig_pixmp = *pixmp;339 340 fmt = vdec_try_fmt_common(inst, f);341 342 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {343 pixfmt_out = pixmp->pixelformat;344 pixfmt_cap = inst->fmt_cap->pixfmt;345 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {346 pixfmt_cap = pixmp->pixelformat;347 pixfmt_out = inst->fmt_out->pixfmt;348 }349 350 memset(&format, 0, sizeof(format));351 352 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;353 format.fmt.pix_mp.pixelformat = pixfmt_out;354 format.fmt.pix_mp.width = orig_pixmp.width;355 format.fmt.pix_mp.height = orig_pixmp.height;356 vdec_try_fmt_common(inst, &format);357 358 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {359 inst->out_width = format.fmt.pix_mp.width;360 inst->out_height = format.fmt.pix_mp.height;361 inst->colorspace = pixmp->colorspace;362 inst->ycbcr_enc = pixmp->ycbcr_enc;363 inst->quantization = pixmp->quantization;364 inst->xfer_func = pixmp->xfer_func;365 inst->input_buf_size = pixmp->plane_fmt[0].sizeimage;366 }367 368 memset(&format, 0, sizeof(format));369 370 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;371 format.fmt.pix_mp.pixelformat = pixfmt_cap;372 format.fmt.pix_mp.width = orig_pixmp.width;373 format.fmt.pix_mp.height = orig_pixmp.height;374 vdec_try_fmt_common(inst, &format);375 376 inst->width = format.fmt.pix_mp.width;377 inst->height = format.fmt.pix_mp.height;378 inst->crop.top = 0;379 inst->crop.left = 0;380 inst->crop.width = inst->width;381 inst->crop.height = inst->height;382 383 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)384 inst->fmt_out = fmt;385 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {386 inst->fmt_cap = fmt;387 inst->output2_buf_size =388 venus_helper_get_framesz(pixfmt_cap, orig_pixmp.width, orig_pixmp.height);389 }390 391 return 0;392}393 394static int395vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s)396{397 struct venus_inst *inst = to_inst(file);398 399 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&400 s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)401 return -EINVAL;402 403 s->r.top = 0;404 s->r.left = 0;405 406 switch (s->target) {407 case V4L2_SEL_TGT_CROP_BOUNDS:408 case V4L2_SEL_TGT_CROP_DEFAULT:409 case V4L2_SEL_TGT_CROP:410 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)411 return -EINVAL;412 s->r.width = inst->out_width;413 s->r.height = inst->out_height;414 break;415 case V4L2_SEL_TGT_COMPOSE_BOUNDS:416 case V4L2_SEL_TGT_COMPOSE_PADDED:417 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)418 return -EINVAL;419 s->r.width = inst->width;420 s->r.height = inst->height;421 break;422 case V4L2_SEL_TGT_COMPOSE_DEFAULT:423 case V4L2_SEL_TGT_COMPOSE:424 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)425 return -EINVAL;426 s->r = inst->crop;427 break;428 default:429 return -EINVAL;430 }431 432 return 0;433}434 435static int436vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap)437{438 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));439 strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card));440 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));441 442 return 0;443}444 445static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)446{447 struct venus_inst *inst = to_inst(file);448 const struct venus_format *fmt;449 450 memset(f->reserved, 0, sizeof(f->reserved));451 452 fmt = find_format_by_index(inst, f->index, f->type);453 if (!fmt)454 return -EINVAL;455 456 f->pixelformat = fmt->pixfmt;457 f->flags = fmt->flags;458 459 return 0;460}461 462static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)463{464 struct venus_inst *inst = to_inst(file);465 struct v4l2_captureparm *cap = &a->parm.capture;466 struct v4l2_fract *timeperframe = &cap->timeperframe;467 u64 us_per_frame, fps;468 469 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&470 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)471 return -EINVAL;472 473 memset(cap->reserved, 0, sizeof(cap->reserved));474 if (!timeperframe->denominator)475 timeperframe->denominator = inst->timeperframe.denominator;476 if (!timeperframe->numerator)477 timeperframe->numerator = inst->timeperframe.numerator;478 cap->readbuffers = 0;479 cap->extendedmode = 0;480 cap->capability = V4L2_CAP_TIMEPERFRAME;481 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;482 do_div(us_per_frame, timeperframe->denominator);483 484 if (!us_per_frame)485 return -EINVAL;486 487 fps = (u64)USEC_PER_SEC;488 do_div(fps, us_per_frame);489 490 inst->fps = fps;491 inst->timeperframe = *timeperframe;492 493 return 0;494}495 496static int vdec_enum_framesizes(struct file *file, void *fh,497 struct v4l2_frmsizeenum *fsize)498{499 struct venus_inst *inst = to_inst(file);500 const struct venus_format *fmt;501 502 fmt = find_format(inst, fsize->pixel_format,503 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);504 if (!fmt) {505 fmt = find_format(inst, fsize->pixel_format,506 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);507 if (!fmt)508 return -EINVAL;509 }510 511 if (fsize->index)512 return -EINVAL;513 514 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;515 516 fsize->stepwise.min_width = frame_width_min(inst);517 fsize->stepwise.max_width = frame_width_max(inst);518 fsize->stepwise.step_width = frame_width_step(inst);519 fsize->stepwise.min_height = frame_height_min(inst);520 fsize->stepwise.max_height = frame_height_max(inst);521 fsize->stepwise.step_height = frame_height_step(inst);522 523 return 0;524}525 526static int vdec_subscribe_event(struct v4l2_fh *fh,527 const struct v4l2_event_subscription *sub)528{529 struct venus_inst *inst = container_of(fh, struct venus_inst, fh);530 int ret;531 532 switch (sub->type) {533 case V4L2_EVENT_EOS:534 return v4l2_event_subscribe(fh, sub, 2, NULL);535 case V4L2_EVENT_SOURCE_CHANGE:536 ret = v4l2_src_change_event_subscribe(fh, sub);537 if (ret)538 return ret;539 inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE;540 return 0;541 case V4L2_EVENT_CTRL:542 return v4l2_ctrl_subscribe_event(fh, sub);543 default:544 return -EINVAL;545 }546}547 548static int549vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd)550{551 struct venus_inst *inst = to_inst(file);552 struct vb2_queue *dst_vq;553 struct hfi_frame_data fdata = {0};554 int ret;555 556 ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd);557 if (ret)558 return ret;559 560 mutex_lock(&inst->lock);561 562 if (cmd->cmd == V4L2_DEC_CMD_STOP) {563 /*564 * Implement V4L2_DEC_CMD_STOP by enqueue an empty buffer on565 * decoder input to signal EOS.566 */567 if (!(inst->streamon_out && inst->streamon_cap))568 goto unlock;569 570 fdata.buffer_type = HFI_BUFFER_INPUT;571 fdata.flags |= HFI_BUFFERFLAG_EOS;572 if (IS_V6(inst->core) && is_fw_rev_or_older(inst->core, 1, 0, 87))573 fdata.device_addr = 0;574 else575 fdata.device_addr = 0xdeadb000;576 577 ret = hfi_session_process_buf(inst, &fdata);578 579 if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING) {580 inst->codec_state = VENUS_DEC_STATE_DRAIN;581 inst->drain_active = true;582 }583 } else if (cmd->cmd == V4L2_DEC_CMD_START &&584 inst->codec_state == VENUS_DEC_STATE_STOPPED) {585 dst_vq = v4l2_m2m_get_vq(inst->fh.m2m_ctx,586 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);587 vb2_clear_last_buffer_dequeued(dst_vq);588 589 inst->codec_state = VENUS_DEC_STATE_DECODING;590 }591 592unlock:593 mutex_unlock(&inst->lock);594 return ret;595}596 597static const struct v4l2_ioctl_ops vdec_ioctl_ops = {598 .vidioc_querycap = vdec_querycap,599 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt,600 .vidioc_enum_fmt_vid_out = vdec_enum_fmt,601 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt,602 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt,603 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt,604 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt,605 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt,606 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt,607 .vidioc_g_selection = vdec_g_selection,608 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,609 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,610 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,611 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,612 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,613 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,614 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,615 .vidioc_streamon = v4l2_m2m_ioctl_streamon,616 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,617 .vidioc_s_parm = vdec_s_parm,618 .vidioc_enum_framesizes = vdec_enum_framesizes,619 .vidioc_subscribe_event = vdec_subscribe_event,620 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,621 .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd,622 .vidioc_decoder_cmd = vdec_decoder_cmd,623};624 625static int vdec_pm_get(struct venus_inst *inst)626{627 struct venus_core *core = inst->core;628 struct device *dev = core->dev_dec;629 int ret;630 631 mutex_lock(&core->pm_lock);632 ret = pm_runtime_resume_and_get(dev);633 mutex_unlock(&core->pm_lock);634 635 return ret;636}637 638static int vdec_pm_put(struct venus_inst *inst, bool autosuspend)639{640 struct venus_core *core = inst->core;641 struct device *dev = core->dev_dec;642 int ret;643 644 mutex_lock(&core->pm_lock);645 646 if (autosuspend)647 ret = pm_runtime_put_autosuspend(dev);648 else649 ret = pm_runtime_put_sync(dev);650 651 mutex_unlock(&core->pm_lock);652 653 return ret < 0 ? ret : 0;654}655 656static int vdec_pm_get_put(struct venus_inst *inst)657{658 struct venus_core *core = inst->core;659 struct device *dev = core->dev_dec;660 int ret = 0;661 662 mutex_lock(&core->pm_lock);663 664 if (pm_runtime_suspended(dev)) {665 ret = pm_runtime_resume_and_get(dev);666 if (ret < 0)667 goto error;668 669 ret = pm_runtime_put_autosuspend(dev);670 }671 672error:673 mutex_unlock(&core->pm_lock);674 675 return ret < 0 ? ret : 0;676}677 678static void vdec_pm_touch(struct venus_inst *inst)679{680 pm_runtime_mark_last_busy(inst->core->dev_dec);681}682 683static int vdec_set_properties(struct venus_inst *inst)684{685 struct vdec_controls *ctr = &inst->controls.dec;686 struct hfi_enable en = { .enable = 1 };687 u32 ptype, decode_order, conceal;688 int ret;689 690 if (ctr->post_loop_deb_mode) {691 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER;692 ret = hfi_session_set_property(inst, ptype, &en);693 if (ret)694 return ret;695 }696 697 if (ctr->display_delay_enable && ctr->display_delay == 0) {698 ptype = HFI_PROPERTY_PARAM_VDEC_OUTPUT_ORDER;699 decode_order = HFI_OUTPUT_ORDER_DECODE;700 ret = hfi_session_set_property(inst, ptype, &decode_order);701 if (ret)702 return ret;703 }704 705 /* Enabling sufficient sequence change support for VP9 */706 if (is_fw_rev_or_newer(inst->core, 5, 4, 51)) {707 ptype = HFI_PROPERTY_PARAM_VDEC_ENABLE_SUFFICIENT_SEQCHANGE_EVENT;708 ret = hfi_session_set_property(inst, ptype, &en);709 if (ret)710 return ret;711 }712 713 ptype = HFI_PROPERTY_PARAM_VDEC_CONCEAL_COLOR;714 conceal = ctr->conceal_color & 0xffff;715 conceal |= ((ctr->conceal_color >> 16) & 0xffff) << 10;716 conceal |= ((ctr->conceal_color >> 32) & 0xffff) << 20;717 718 ret = hfi_session_set_property(inst, ptype, &conceal);719 if (ret)720 return ret;721 722 return 0;723}724 725static int vdec_set_work_route(struct venus_inst *inst)726{727 u32 ptype = HFI_PROPERTY_PARAM_WORK_ROUTE;728 struct hfi_video_work_route wr;729 730 if (!(IS_IRIS2(inst->core) || IS_IRIS2_1(inst->core)))731 return 0;732 733 wr.video_work_route = inst->core->res->num_vpp_pipes;734 735 return hfi_session_set_property(inst, ptype, &wr);736}737 738#define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE))739#define is_10bit_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_10_BIT_BASE & \740 HFI_COLOR_FORMAT_UBWC_BASE))741 742 743static int vdec_output_conf(struct venus_inst *inst)744{745 struct venus_core *core = inst->core;746 struct hfi_enable en = { .enable = 1 };747 struct hfi_buffer_requirements bufreq;748 u32 width = inst->width;749 u32 height = inst->height;750 u32 out_fmt, out2_fmt;751 bool ubwc = false;752 u32 ptype;753 int ret;754 755 ret = venus_helper_set_work_mode(inst);756 if (ret)757 return ret;758 759 if (core->res->hfi_version == HFI_VERSION_1XX) {760 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER;761 ret = hfi_session_set_property(inst, ptype, &en);762 if (ret)763 return ret;764 }765 766 /* Force searching UBWC formats for bigger then HD resolutions */767 if (width > 1920 && height > ALIGN(1080, 32))768 ubwc = true;769 770 /* For Venus v4/v6 UBWC format is mandatory */771 if (IS_V4(core) || IS_V6(core))772 ubwc = true;773 774 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt,775 &out2_fmt, ubwc);776 if (ret)777 return ret;778 779 inst->output_buf_size =780 venus_helper_get_framesz_raw(out_fmt, width, height);781 inst->output2_buf_size =782 venus_helper_get_framesz_raw(out2_fmt, width, height);783 784 if (is_ubwc_fmt(out_fmt)) {785 inst->opb_buftype = HFI_BUFFER_OUTPUT2;786 inst->opb_fmt = out2_fmt;787 inst->dpb_buftype = HFI_BUFFER_OUTPUT;788 inst->dpb_fmt = out_fmt;789 } else if (is_ubwc_fmt(out2_fmt) || is_10bit_ubwc_fmt(out_fmt)) {790 inst->opb_buftype = HFI_BUFFER_OUTPUT;791 inst->opb_fmt = out_fmt;792 inst->dpb_buftype = HFI_BUFFER_OUTPUT2;793 inst->dpb_fmt = out2_fmt;794 } else {795 inst->opb_buftype = HFI_BUFFER_OUTPUT;796 inst->opb_fmt = out_fmt;797 inst->dpb_buftype = 0;798 inst->dpb_fmt = 0;799 }800 801 ret = venus_helper_set_raw_format(inst, inst->opb_fmt,802 inst->opb_buftype);803 if (ret)804 return ret;805 806 ret = venus_helper_set_format_constraints(inst);807 if (ret)808 return ret;809 810 if (inst->dpb_fmt) {811 ret = venus_helper_set_multistream(inst, false, true);812 if (ret)813 return ret;814 815 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt,816 inst->dpb_buftype);817 if (ret)818 return ret;819 820 ret = venus_helper_set_output_resolution(inst, width, height,821 HFI_BUFFER_OUTPUT2);822 if (ret)823 return ret;824 }825 826 if (IS_V3(core) || IS_V4(core) || IS_V6(core)) {827 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);828 if (ret)829 return ret;830 831 if (bufreq.size > inst->output_buf_size)832 return -EINVAL;833 834 if (inst->dpb_fmt) {835 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT2,836 &bufreq);837 if (ret)838 return ret;839 840 if (bufreq.size > inst->output2_buf_size)841 return -EINVAL;842 }843 844 if (inst->output2_buf_size) {845 ret = venus_helper_set_bufsize(inst,846 inst->output2_buf_size,847 HFI_BUFFER_OUTPUT2);848 if (ret)849 return ret;850 }851 852 if (inst->output_buf_size) {853 ret = venus_helper_set_bufsize(inst,854 inst->output_buf_size,855 HFI_BUFFER_OUTPUT);856 if (ret)857 return ret;858 }859 }860 861 ret = venus_helper_set_dyn_bufmode(inst);862 if (ret)863 return ret;864 865 return 0;866}867 868static int vdec_session_init(struct venus_inst *inst)869{870 int ret;871 872 ret = venus_helper_session_init(inst);873 if (ret == -EALREADY)874 return 0;875 else if (ret)876 return ret;877 878 ret = venus_helper_set_input_resolution(inst, frame_width_min(inst),879 frame_height_min(inst));880 if (ret)881 goto deinit;882 883 return 0;884deinit:885 hfi_session_deinit(inst);886 return ret;887}888 889static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num,890 unsigned int *out_num)891{892 enum hfi_version ver = inst->core->res->hfi_version;893 struct hfi_buffer_requirements bufreq;894 int ret;895 896 *in_num = *out_num = 0;897 898 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);899 if (ret)900 return ret;901 902 *in_num = hfi_bufreq_get_count_min(&bufreq, ver);903 904 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);905 if (ret)906 return ret;907 908 *out_num = hfi_bufreq_get_count_min(&bufreq, ver);909 910 return 0;911}912 913static int vdec_queue_setup(struct vb2_queue *q,914 unsigned int *num_buffers, unsigned int *num_planes,915 unsigned int sizes[], struct device *alloc_devs[])916{917 struct venus_inst *inst = vb2_get_drv_priv(q);918 struct venus_core *core = inst->core;919 unsigned int in_num, out_num;920 int ret = 0;921 922 if (*num_planes) {923 unsigned int output_buf_size = venus_helper_get_opb_size(inst);924 925 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&926 *num_planes != inst->fmt_out->num_planes)927 return -EINVAL;928 929 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&930 *num_planes != inst->fmt_cap->num_planes)931 return -EINVAL;932 933 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&934 sizes[0] < inst->input_buf_size)935 return -EINVAL;936 937 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&938 sizes[0] < output_buf_size)939 return -EINVAL;940 941 return 0;942 }943 944 if (test_bit(0, &core->sys_error)) {945 if (inst->nonblock)946 return -EAGAIN;947 948 ret = wait_event_interruptible(core->sys_err_done,949 !test_bit(0, &core->sys_error));950 if (ret)951 return ret;952 }953 954 ret = vdec_pm_get(inst);955 if (ret)956 return ret;957 958 ret = vdec_session_init(inst);959 if (ret)960 goto put_power;961 962 ret = vdec_num_buffers(inst, &in_num, &out_num);963 if (ret)964 goto put_power;965 966 ret = vdec_pm_put(inst, false);967 if (ret)968 return ret;969 970 switch (q->type) {971 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:972 *num_planes = inst->fmt_out->num_planes;973 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,974 inst->out_width,975 inst->out_height);976 sizes[0] = max(sizes[0], inst->input_buf_size);977 inst->input_buf_size = sizes[0];978 *num_buffers = max(*num_buffers, in_num);979 inst->num_input_bufs = *num_buffers;980 inst->num_output_bufs = out_num;981 break;982 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:983 *num_planes = inst->fmt_cap->num_planes;984 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,985 inst->width,986 inst->height);987 inst->output_buf_size = sizes[0];988 *num_buffers = max(*num_buffers, out_num);989 inst->num_output_bufs = *num_buffers;990 991 mutex_lock(&inst->lock);992 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP)993 inst->codec_state = VENUS_DEC_STATE_STOPPED;994 mutex_unlock(&inst->lock);995 break;996 default:997 ret = -EINVAL;998 break;999 }1000 1001 return ret;1002 1003put_power:1004 vdec_pm_put(inst, false);1005 return ret;1006}1007 1008static int vdec_verify_conf(struct venus_inst *inst)1009{1010 enum hfi_version ver = inst->core->res->hfi_version;1011 struct hfi_buffer_requirements bufreq;1012 int ret;1013 1014 if (!inst->num_input_bufs || !inst->num_output_bufs)1015 return -EINVAL;1016 1017 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);1018 if (ret)1019 return ret;1020 1021 if (inst->num_output_bufs < bufreq.count_actual ||1022 inst->num_output_bufs < hfi_bufreq_get_count_min(&bufreq, ver))1023 return -EINVAL;1024 1025 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);1026 if (ret)1027 return ret;1028 1029 if (inst->num_input_bufs < hfi_bufreq_get_count_min(&bufreq, ver))1030 return -EINVAL;1031 1032 return 0;1033}1034 1035static int vdec_start_capture(struct venus_inst *inst)1036{1037 int ret;1038 1039 if (!inst->streamon_out)1040 return 0;1041 1042 if (inst->codec_state == VENUS_DEC_STATE_DECODING) {1043 if (inst->reconfig)1044 goto reconfigure;1045 1046 venus_helper_queue_dpb_bufs(inst);1047 venus_helper_process_initial_cap_bufs(inst);1048 inst->streamon_cap = 1;1049 return 0;1050 }1051 1052 if (inst->codec_state != VENUS_DEC_STATE_STOPPED)1053 return 0;1054 1055reconfigure:1056 ret = vdec_output_conf(inst);1057 if (ret)1058 return ret;1059 1060 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,1061 VB2_MAX_FRAME, VB2_MAX_FRAME);1062 if (ret)1063 return ret;1064 1065 ret = venus_helper_intbufs_realloc(inst);1066 if (ret)1067 goto err;1068 1069 venus_pm_load_scale(inst);1070 1071 inst->next_buf_last = false;1072 1073 ret = venus_helper_alloc_dpb_bufs(inst);1074 if (ret)1075 goto err;1076 1077 ret = hfi_session_continue(inst);1078 if (ret)1079 goto free_dpb_bufs;1080 1081 ret = venus_helper_queue_dpb_bufs(inst);1082 if (ret)1083 goto free_dpb_bufs;1084 1085 ret = venus_helper_process_initial_cap_bufs(inst);1086 if (ret)1087 goto free_dpb_bufs;1088 1089 inst->codec_state = VENUS_DEC_STATE_DECODING;1090 1091 if (inst->drain_active)1092 inst->codec_state = VENUS_DEC_STATE_DRAIN;1093 1094 inst->streamon_cap = 1;1095 inst->sequence_cap = 0;1096 inst->reconfig = false;1097 inst->drain_active = false;1098 1099 return 0;1100 1101free_dpb_bufs:1102 venus_helper_free_dpb_bufs(inst);1103err:1104 return ret;1105}1106 1107static int vdec_start_output(struct venus_inst *inst)1108{1109 int ret;1110 1111 if (inst->codec_state == VENUS_DEC_STATE_SEEK) {1112 ret = venus_helper_process_initial_out_bufs(inst);1113 if (inst->next_buf_last)1114 inst->codec_state = VENUS_DEC_STATE_DRC;1115 else1116 inst->codec_state = VENUS_DEC_STATE_DECODING;1117 goto done;1118 }1119 1120 if (inst->codec_state == VENUS_DEC_STATE_INIT ||1121 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) {1122 ret = venus_helper_process_initial_out_bufs(inst);1123 goto done;1124 }1125 1126 if (inst->codec_state != VENUS_DEC_STATE_DEINIT)1127 return -EINVAL;1128 1129 venus_helper_init_instance(inst);1130 inst->sequence_out = 0;1131 inst->reconfig = false;1132 inst->next_buf_last = false;1133 1134 ret = vdec_set_properties(inst);1135 if (ret)1136 return ret;1137 1138 ret = vdec_set_work_route(inst);1139 if (ret)1140 return ret;1141 1142 ret = vdec_output_conf(inst);1143 if (ret)1144 return ret;1145 1146 ret = vdec_verify_conf(inst);1147 if (ret)1148 return ret;1149 1150 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,1151 VB2_MAX_FRAME, VB2_MAX_FRAME);1152 if (ret)1153 return ret;1154 1155 ret = venus_helper_vb2_start_streaming(inst);1156 if (ret)1157 return ret;1158 1159 ret = venus_helper_process_initial_out_bufs(inst);1160 if (ret)1161 return ret;1162 1163 inst->codec_state = VENUS_DEC_STATE_INIT;1164 1165done:1166 inst->streamon_out = 1;1167 return ret;1168}1169 1170static int vdec_start_streaming(struct vb2_queue *q, unsigned int count)1171{1172 struct venus_inst *inst = vb2_get_drv_priv(q);1173 int ret;1174 1175 mutex_lock(&inst->lock);1176 1177 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {1178 ret = vdec_start_capture(inst);1179 } else {1180 ret = vdec_pm_get(inst);1181 if (ret)1182 goto error;1183 1184 ret = venus_pm_acquire_core(inst);1185 if (ret)1186 goto put_power;1187 1188 ret = vdec_pm_put(inst, true);1189 if (ret)1190 goto error;1191 1192 ret = vdec_start_output(inst);1193 }1194 1195 if (ret)1196 goto error;1197 1198 mutex_unlock(&inst->lock);1199 return 0;1200 1201put_power:1202 vdec_pm_put(inst, false);1203error:1204 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED);1205 mutex_unlock(&inst->lock);1206 return ret;1207}1208 1209static void vdec_cancel_dst_buffers(struct venus_inst *inst)1210{1211 struct vb2_v4l2_buffer *buf;1212 1213 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx)))1214 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);1215}1216 1217static int vdec_stop_capture(struct venus_inst *inst)1218{1219 int ret = 0;1220 1221 switch (inst->codec_state) {1222 case VENUS_DEC_STATE_DECODING:1223 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true);1224 fallthrough;1225 case VENUS_DEC_STATE_DRAIN:1226 inst->codec_state = VENUS_DEC_STATE_STOPPED;1227 inst->drain_active = false;1228 fallthrough;1229 case VENUS_DEC_STATE_SEEK:1230 vdec_cancel_dst_buffers(inst);1231 break;1232 case VENUS_DEC_STATE_DRC:1233 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true);1234 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP;1235 venus_helper_free_dpb_bufs(inst);1236 break;1237 default:1238 break;1239 }1240 1241 return ret;1242}1243 1244static int vdec_stop_output(struct venus_inst *inst)1245{1246 int ret = 0;1247 1248 switch (inst->codec_state) {1249 case VENUS_DEC_STATE_DECODING:1250 case VENUS_DEC_STATE_DRAIN:1251 case VENUS_DEC_STATE_STOPPED:1252 case VENUS_DEC_STATE_DRC:1253 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true);1254 inst->codec_state = VENUS_DEC_STATE_SEEK;1255 break;1256 case VENUS_DEC_STATE_INIT:1257 case VENUS_DEC_STATE_CAPTURE_SETUP:1258 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true);1259 break;1260 default:1261 break;1262 }1263 1264 return ret;1265}1266 1267static void vdec_stop_streaming(struct vb2_queue *q)1268{1269 struct venus_inst *inst = vb2_get_drv_priv(q);1270 int ret = -EINVAL;1271 1272 vdec_pm_get_put(inst);1273 1274 mutex_lock(&inst->lock);1275 1276 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)1277 ret = vdec_stop_capture(inst);1278 else1279 ret = vdec_stop_output(inst);1280 1281 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR);1282 1283 inst->session_error = 0;1284 1285 if (ret)1286 goto unlock;1287 1288 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)1289 inst->streamon_out = 0;1290 else1291 inst->streamon_cap = 0;1292 1293unlock:1294 mutex_unlock(&inst->lock);1295}1296 1297static void vdec_session_release(struct venus_inst *inst)1298{1299 struct venus_core *core = inst->core;1300 int ret, abort = 0;1301 1302 vdec_pm_get(inst);1303 1304 mutex_lock(&inst->lock);1305 inst->codec_state = VENUS_DEC_STATE_DEINIT;1306 1307 ret = hfi_session_stop(inst);1308 abort = (ret && ret != -EINVAL) ? 1 : 0;1309 ret = hfi_session_unload_res(inst);1310 abort = (ret && ret != -EINVAL) ? 1 : 0;1311 ret = venus_helper_unregister_bufs(inst);1312 abort = (ret && ret != -EINVAL) ? 1 : 0;1313 ret = venus_helper_intbufs_free(inst);1314 abort = (ret && ret != -EINVAL) ? 1 : 0;1315 ret = hfi_session_deinit(inst);1316 abort = (ret && ret != -EINVAL) ? 1 : 0;1317 1318 if (inst->session_error || test_bit(0, &core->sys_error))1319 abort = 1;1320 1321 if (abort)1322 hfi_session_abort(inst);1323 1324 venus_helper_free_dpb_bufs(inst);1325 venus_pm_load_scale(inst);1326 INIT_LIST_HEAD(&inst->registeredbufs);1327 mutex_unlock(&inst->lock);1328 1329 venus_pm_release_core(inst);1330 vdec_pm_put(inst, false);1331}1332 1333static int vdec_buf_init(struct vb2_buffer *vb)1334{1335 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);1336 1337 inst->buf_count++;1338 1339 return venus_helper_vb2_buf_init(vb);1340}1341 1342static void vdec_buf_cleanup(struct vb2_buffer *vb)1343{1344 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);1345 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);1346 struct venus_buffer *buf = to_venus_buffer(vbuf);1347 1348 mutex_lock(&inst->lock);1349 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)1350 if (!list_empty(&inst->registeredbufs))1351 list_del_init(&buf->reg_list);1352 mutex_unlock(&inst->lock);1353 1354 inst->buf_count--;1355 if (!inst->buf_count)1356 vdec_session_release(inst);1357}1358 1359static void vdec_vb2_buf_queue(struct vb2_buffer *vb)1360{1361 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);1362 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);1363 static const struct v4l2_event eos = { .type = V4L2_EVENT_EOS };1364 1365 vdec_pm_get_put(inst);1366 1367 mutex_lock(&inst->lock);1368 1369 if (inst->next_buf_last && V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) &&1370 inst->codec_state == VENUS_DEC_STATE_DRC) {1371 vbuf->flags |= V4L2_BUF_FLAG_LAST;1372 vbuf->sequence = inst->sequence_cap++;1373 vbuf->field = V4L2_FIELD_NONE;1374 vb2_set_plane_payload(vb, 0, 0);1375 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);1376 v4l2_event_queue_fh(&inst->fh, &eos);1377 inst->next_buf_last = false;1378 mutex_unlock(&inst->lock);1379 return;1380 }1381 1382 venus_helper_vb2_buf_queue(vb);1383 mutex_unlock(&inst->lock);1384}1385 1386static const struct vb2_ops vdec_vb2_ops = {1387 .queue_setup = vdec_queue_setup,1388 .buf_init = vdec_buf_init,1389 .buf_cleanup = vdec_buf_cleanup,1390 .buf_prepare = venus_helper_vb2_buf_prepare,1391 .start_streaming = vdec_start_streaming,1392 .stop_streaming = vdec_stop_streaming,1393 .buf_queue = vdec_vb2_buf_queue,1394};1395 1396static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type,1397 u32 tag, u32 bytesused, u32 data_offset, u32 flags,1398 u32 hfi_flags, u64 timestamp_us)1399{1400 enum vb2_buffer_state state = VB2_BUF_STATE_DONE;1401 struct vb2_v4l2_buffer *vbuf;1402 struct vb2_buffer *vb;1403 unsigned int type;1404 1405 vdec_pm_touch(inst);1406 1407 if (buf_type == HFI_BUFFER_INPUT)1408 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;1409 else1410 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;1411 1412 vbuf = venus_helper_find_buf(inst, type, tag);1413 if (!vbuf) {1414 venus_helper_change_dpb_owner(inst, vbuf, type, buf_type, tag);1415 return;1416 }1417 1418 vbuf->flags = flags;1419 vbuf->field = V4L2_FIELD_NONE;1420 vb = &vbuf->vb2_buf;1421 1422 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {1423 vb2_set_plane_payload(vb, 0, bytesused);1424 vb->planes[0].data_offset = data_offset;1425 vb->timestamp = timestamp_us * NSEC_PER_USEC;1426 vbuf->sequence = inst->sequence_cap++;1427 1428 if (vbuf->flags & V4L2_BUF_FLAG_LAST) {1429 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS };1430 1431 v4l2_event_queue_fh(&inst->fh, &ev);1432 1433 if (inst->codec_state == VENUS_DEC_STATE_DRAIN) {1434 inst->drain_active = false;1435 inst->codec_state = VENUS_DEC_STATE_STOPPED;1436 }1437 }1438 1439 if (!bytesused)1440 state = VB2_BUF_STATE_ERROR;1441 } else {1442 vbuf->sequence = inst->sequence_out++;1443 }1444 1445 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf);1446 1447 if (hfi_flags & HFI_BUFFERFLAG_READONLY)1448 venus_helper_acquire_buf_ref(vbuf);1449 1450 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT)1451 state = VB2_BUF_STATE_ERROR;1452 1453 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) {1454 state = VB2_BUF_STATE_ERROR;1455 vb2_set_plane_payload(vb, 0, 0);1456 vb->timestamp = 0;1457 }1458 1459 v4l2_m2m_buf_done(vbuf, state);1460}1461 1462static void vdec_event_change(struct venus_inst *inst,1463 struct hfi_event_data *ev_data, bool sufficient)1464{1465 static const struct v4l2_event ev = {1466 .type = V4L2_EVENT_SOURCE_CHANGE,1467 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION };1468 struct device *dev = inst->core->dev_dec;1469 struct v4l2_format format = {};1470 1471 mutex_lock(&inst->lock);1472 1473 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;1474 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt;1475 format.fmt.pix_mp.width = ev_data->width;1476 format.fmt.pix_mp.height = ev_data->height;1477 1478 vdec_try_fmt_common(inst, &format);1479 1480 inst->width = format.fmt.pix_mp.width;1481 inst->height = format.fmt.pix_mp.height;1482 /*1483 * Some versions of the firmware do not report crop information for1484 * all codecs. For these cases, set the crop to the coded resolution.1485 */1486 if (ev_data->input_crop.width > 0 && ev_data->input_crop.height > 0) {1487 inst->crop.left = ev_data->input_crop.left;1488 inst->crop.top = ev_data->input_crop.top;1489 inst->crop.width = ev_data->input_crop.width;1490 inst->crop.height = ev_data->input_crop.height;1491 } else {1492 inst->crop.left = 0;1493 inst->crop.top = 0;1494 inst->crop.width = ev_data->width;1495 inst->crop.height = ev_data->height;1496 }1497 1498 inst->fw_min_cnt = ev_data->buf_count;1499 /* overwriting this to 11 for vp9 due to fw bug */1500 if (inst->hfi_codec == HFI_VIDEO_CODEC_VP9)1501 inst->fw_min_cnt = 11;1502 1503 inst->out_width = ev_data->width;1504 inst->out_height = ev_data->height;1505 1506 if (inst->bit_depth != ev_data->bit_depth) {1507 inst->bit_depth = ev_data->bit_depth;1508 if (inst->bit_depth == VIDC_BITDEPTH_10)1509 inst->fmt_cap = &vdec_formats[VENUS_FMT_P010];1510 else1511 inst->fmt_cap = &vdec_formats[VENUS_FMT_NV12];1512 }1513 1514 if (inst->pic_struct != ev_data->pic_struct)1515 inst->pic_struct = ev_data->pic_struct;1516 1517 dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n",1518 sufficient ? "" : "not", ev_data->width, ev_data->height);1519 1520 switch (inst->codec_state) {1521 case VENUS_DEC_STATE_INIT:1522 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP;1523 break;1524 case VENUS_DEC_STATE_DECODING:1525 case VENUS_DEC_STATE_DRAIN:1526 inst->codec_state = VENUS_DEC_STATE_DRC;1527 break;1528 default:1529 break;1530 }1531 1532 /*1533 * The assumption is that the firmware have to return the last buffer1534 * before this event is received in the v4l2 driver. Also the firmware1535 * itself doesn't mark the last decoder output buffer with HFI EOS flag.1536 */1537 1538 if (inst->codec_state == VENUS_DEC_STATE_DRC) {1539 int ret;1540 1541 inst->next_buf_last = true;1542 1543 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false);1544 if (ret)1545 dev_dbg(dev, VDBGH "flush output error %d\n", ret);1546 }1547 1548 inst->next_buf_last = true;1549 inst->reconfig = true;1550 v4l2_event_queue_fh(&inst->fh, &ev);1551 wake_up(&inst->reconf_wait);1552 1553 mutex_unlock(&inst->lock);1554}1555 1556static void vdec_event_notify(struct venus_inst *inst, u32 event,1557 struct hfi_event_data *data)1558{1559 struct venus_core *core = inst->core;1560 struct device *dev = core->dev_dec;1561 1562 vdec_pm_touch(inst);1563 1564 switch (event) {1565 case EVT_SESSION_ERROR:1566 inst->session_error = true;1567 venus_helper_vb2_queue_error(inst);1568 dev_err(dev, "dec: event session error %x\n", inst->error);1569 break;1570 case EVT_SYS_EVENT_CHANGE:1571 switch (data->event_type) {1572 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES:1573 vdec_event_change(inst, data, true);1574 break;1575 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES:1576 vdec_event_change(inst, data, false);1577 break;1578 case HFI_EVENT_RELEASE_BUFFER_REFERENCE:1579 venus_helper_release_buf_ref(inst, data->tag);1580 break;1581 default:1582 break;1583 }1584 break;1585 default:1586 break;1587 }1588}1589 1590static void vdec_flush_done(struct venus_inst *inst)1591{1592 dev_dbg(inst->core->dev_dec, VDBGH "flush done\n");1593}1594 1595static const struct hfi_inst_ops vdec_hfi_ops = {1596 .buf_done = vdec_buf_done,1597 .event_notify = vdec_event_notify,1598 .flush_done = vdec_flush_done,1599};1600 1601static void vdec_inst_init(struct venus_inst *inst)1602{1603 inst->hfi_codec = HFI_VIDEO_CODEC_H264;1604 inst->fmt_out = &vdec_formats[VENUS_FMT_H264];1605 inst->fmt_cap = &vdec_formats[VENUS_FMT_NV12];1606 inst->width = frame_width_min(inst);1607 inst->height = ALIGN(frame_height_min(inst), 32);1608 inst->crop.left = 0;1609 inst->crop.top = 0;1610 inst->crop.width = inst->width;1611 inst->crop.height = inst->height;1612 inst->fw_min_cnt = 8;1613 inst->out_width = frame_width_min(inst);1614 inst->out_height = frame_height_min(inst);1615 inst->fps = 30;1616 inst->timeperframe.numerator = 1;1617 inst->timeperframe.denominator = 30;1618 inst->opb_buftype = HFI_BUFFER_OUTPUT;1619}1620 1621static void vdec_m2m_device_run(void *priv)1622{1623}1624 1625static const struct v4l2_m2m_ops vdec_m2m_ops = {1626 .device_run = vdec_m2m_device_run,1627 .job_abort = venus_helper_m2m_job_abort,1628};1629 1630static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,1631 struct vb2_queue *dst_vq)1632{1633 struct venus_inst *inst = priv;1634 int ret;1635 1636 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;1637 src_vq->io_modes = VB2_MMAP | VB2_DMABUF;1638 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;1639 src_vq->ops = &vdec_vb2_ops;1640 src_vq->mem_ops = &vb2_dma_contig_memops;1641 src_vq->drv_priv = inst;1642 src_vq->buf_struct_size = sizeof(struct venus_buffer);1643 src_vq->allow_zero_bytesused = 1;1644 src_vq->min_queued_buffers = 0;1645 src_vq->dev = inst->core->dev;1646 src_vq->lock = &inst->ctx_q_lock;1647 ret = vb2_queue_init(src_vq);1648 if (ret)1649 return ret;1650 1651 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;1652 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;1653 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;1654 dst_vq->ops = &vdec_vb2_ops;1655 dst_vq->mem_ops = &vb2_dma_contig_memops;1656 dst_vq->drv_priv = inst;1657 dst_vq->buf_struct_size = sizeof(struct venus_buffer);1658 dst_vq->allow_zero_bytesused = 1;1659 dst_vq->min_queued_buffers = 0;1660 dst_vq->dev = inst->core->dev;1661 dst_vq->lock = &inst->ctx_q_lock;1662 return vb2_queue_init(dst_vq);1663}1664 1665static int vdec_open(struct file *file)1666{1667 struct venus_core *core = video_drvdata(file);1668 struct venus_inst *inst;1669 int ret;1670 1671 inst = kzalloc(sizeof(*inst), GFP_KERNEL);1672 if (!inst)1673 return -ENOMEM;1674 1675 INIT_LIST_HEAD(&inst->dpbbufs);1676 INIT_LIST_HEAD(&inst->registeredbufs);1677 INIT_LIST_HEAD(&inst->internalbufs);1678 INIT_LIST_HEAD(&inst->list);1679 mutex_init(&inst->lock);1680 mutex_init(&inst->ctx_q_lock);1681 1682 inst->core = core;1683 inst->session_type = VIDC_SESSION_TYPE_DEC;1684 inst->num_output_bufs = 1;1685 inst->codec_state = VENUS_DEC_STATE_DEINIT;1686 inst->buf_count = 0;1687 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT;1688 inst->core_acquired = false;1689 inst->bit_depth = VIDC_BITDEPTH_8;1690 inst->pic_struct = HFI_INTERLACE_FRAME_PROGRESSIVE;1691 init_waitqueue_head(&inst->reconf_wait);1692 inst->nonblock = file->f_flags & O_NONBLOCK;1693 1694 venus_helper_init_instance(inst);1695 1696 ret = vdec_ctrl_init(inst);1697 if (ret)1698 goto err_free;1699 1700 ret = hfi_session_create(inst, &vdec_hfi_ops);1701 if (ret)1702 goto err_ctrl_deinit;1703 1704 vdec_inst_init(inst);1705 1706 ida_init(&inst->dpb_ids);1707 1708 /*1709 * create m2m device for every instance, the m2m context scheduling1710 * is made by firmware side so we do not need to care about.1711 */1712 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops);1713 if (IS_ERR(inst->m2m_dev)) {1714 ret = PTR_ERR(inst->m2m_dev);1715 goto err_session_destroy;1716 }1717 1718 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);1719 if (IS_ERR(inst->m2m_ctx)) {1720 ret = PTR_ERR(inst->m2m_ctx);1721 goto err_m2m_release;1722 }1723 1724 v4l2_fh_init(&inst->fh, core->vdev_dec);1725 1726 inst->fh.ctrl_handler = &inst->ctrl_handler;1727 v4l2_fh_add(&inst->fh);1728 inst->fh.m2m_ctx = inst->m2m_ctx;1729 file->private_data = &inst->fh;1730 1731 return 0;1732 1733err_m2m_release:1734 v4l2_m2m_release(inst->m2m_dev);1735err_session_destroy:1736 hfi_session_destroy(inst);1737err_ctrl_deinit:1738 vdec_ctrl_deinit(inst);1739err_free:1740 kfree(inst);1741 return ret;1742}1743 1744static int vdec_close(struct file *file)1745{1746 struct venus_inst *inst = to_inst(file);1747 1748 vdec_pm_get(inst);1749 1750 cancel_work_sync(&inst->delayed_process_work);1751 v4l2_m2m_ctx_release(inst->m2m_ctx);1752 v4l2_m2m_release(inst->m2m_dev);1753 vdec_ctrl_deinit(inst);1754 ida_destroy(&inst->dpb_ids);1755 hfi_session_destroy(inst);1756 mutex_destroy(&inst->lock);1757 mutex_destroy(&inst->ctx_q_lock);1758 v4l2_fh_del(&inst->fh);1759 v4l2_fh_exit(&inst->fh);1760 1761 vdec_pm_put(inst, false);1762 1763 kfree(inst);1764 return 0;1765}1766 1767static const struct v4l2_file_operations vdec_fops = {1768 .owner = THIS_MODULE,1769 .open = vdec_open,1770 .release = vdec_close,1771 .unlocked_ioctl = video_ioctl2,1772 .poll = v4l2_m2m_fop_poll,1773 .mmap = v4l2_m2m_fop_mmap,1774};1775 1776static int vdec_probe(struct platform_device *pdev)1777{1778 struct device *dev = &pdev->dev;1779 struct video_device *vdev;1780 struct venus_core *core;1781 int ret;1782 1783 if (!dev->parent)1784 return -EPROBE_DEFER;1785 1786 core = dev_get_drvdata(dev->parent);1787 if (!core)1788 return -EPROBE_DEFER;1789 1790 platform_set_drvdata(pdev, core);1791 1792 if (core->pm_ops->vdec_get) {1793 ret = core->pm_ops->vdec_get(dev);1794 if (ret)1795 return ret;1796 }1797 1798 vdev = video_device_alloc();1799 if (!vdev)1800 return -ENOMEM;1801 1802 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name));1803 vdev->release = video_device_release;1804 vdev->fops = &vdec_fops;1805 vdev->ioctl_ops = &vdec_ioctl_ops;1806 vdev->vfl_dir = VFL_DIR_M2M;1807 vdev->v4l2_dev = &core->v4l2_dev;1808 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;1809 1810 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);1811 if (ret)1812 goto err_vdev_release;1813 1814 core->vdev_dec = vdev;1815 core->dev_dec = dev;1816 1817 video_set_drvdata(vdev, core);1818 pm_runtime_set_autosuspend_delay(dev, 2000);1819 pm_runtime_use_autosuspend(dev);1820 pm_runtime_enable(dev);1821 1822 return 0;1823 1824err_vdev_release:1825 video_device_release(vdev);1826 return ret;1827}1828 1829static void vdec_remove(struct platform_device *pdev)1830{1831 struct venus_core *core = dev_get_drvdata(pdev->dev.parent);1832 1833 video_unregister_device(core->vdev_dec);1834 pm_runtime_disable(core->dev_dec);1835 1836 if (core->pm_ops->vdec_put)1837 core->pm_ops->vdec_put(core->dev_dec);1838}1839 1840static __maybe_unused int vdec_runtime_suspend(struct device *dev)1841{1842 struct venus_core *core = dev_get_drvdata(dev);1843 const struct venus_pm_ops *pm_ops = core->pm_ops;1844 int ret = 0;1845 1846 if (pm_ops->vdec_power)1847 ret = pm_ops->vdec_power(dev, POWER_OFF);1848 1849 return ret;1850}1851 1852static __maybe_unused int vdec_runtime_resume(struct device *dev)1853{1854 struct venus_core *core = dev_get_drvdata(dev);1855 const struct venus_pm_ops *pm_ops = core->pm_ops;1856 int ret = 0;1857 1858 if (pm_ops->vdec_power)1859 ret = pm_ops->vdec_power(dev, POWER_ON);1860 1861 return ret;1862}1863 1864static const struct dev_pm_ops vdec_pm_ops = {1865 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,1866 pm_runtime_force_resume)1867 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL)1868};1869 1870static const struct of_device_id vdec_dt_match[] = {1871 { .compatible = "venus-decoder" },1872 { }1873};1874MODULE_DEVICE_TABLE(of, vdec_dt_match);1875 1876static struct platform_driver qcom_venus_dec_driver = {1877 .probe = vdec_probe,1878 .remove_new = vdec_remove,1879 .driver = {1880 .name = "qcom-venus-decoder",1881 .of_match_table = vdec_dt_match,1882 .pm = &vdec_pm_ops,1883 },1884};1885module_platform_driver(qcom_venus_dec_driver);1886 1887MODULE_ALIAS("platform:qcom-venus-decoder");1888MODULE_DESCRIPTION("Qualcomm Venus video decoder driver");1889MODULE_LICENSE("GPL v2");1890