My review comments are always going to be about style or error handling. I don't know much about v4l or the big picture. There is a bug in wave5_vpu_dec_release(). Otherwise it's just style stuff. regards, dan carpenter On Wed, Nov 10, 2021 at 02:09:07PM +0200, Dafna Hirschfeld wrote: > +static int wave5_vpu_load_firmware(struct device *dev, const char *fw_name) > +{ > + const struct firmware *fw; > + int ret; > + u32 version; > + u32 revision; > + u32 product_id; > + > + ret = request_firmware(&fw, fw_name, dev); > + if (ret) { > + dev_err(dev, "request_firmware fail\n"); > + return ret; > + } > + > + ret = wave5_vpu_init_with_bitcode(dev, (u8 *)fw->data, fw->size); > + if (ret) { > + dev_err(dev, "vpu_init_with_bitcode fail\n"); release_firmware(fw); before returning. > + return ret; > + } > + release_firmware(fw); > + > + ret = wave5_vpu_get_version_info(dev, &version, &revision, &product_id); > + if (ret) { > + dev_err(dev, "vpu_get_version_info fail\n"); > + return ret; > + } > + > + dev_err(dev, "enum product_id : %08x\n", product_id); > + dev_err(dev, "fw_version : %08x(r%d)\n", version, revision); > + > + return 0; > +} > + > +static int wave5_vpu_probe(struct platform_device *pdev) > +{ > + int ret = 0; Delete bogus initializer. > + struct vpu_device *dev; > + struct resource *res = NULL; Delete bogus initializer. > + const struct wave5_match_data *match_data; > + > + match_data = device_get_match_data(&pdev->dev); > + if (!match_data) { > + dev_err(&pdev->dev, "missing data\n"); > + return -EINVAL; > + } > + > + /* physical addresses limited to 32 bits */ > + dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); > + dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); > + > + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > + if (!res) { > + dev_err(&pdev->dev, "unable to get mem resource\n"); > + return -EINVAL; > + } > + dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); > + if (!dev) > + return -ENOMEM; > + > + dev->vdb_register.daddr = res->start; > + dev->vdb_register.size = resource_size(res); > + dev->vdb_register.vaddr = > + devm_ioremap(&pdev->dev, dev->vdb_register.daddr, dev->vdb_register.size); > + ida_init(&dev->inst_ida); > + > + mutex_init(&dev->dev_lock); > + mutex_init(&dev->hw_lock); > + init_completion(&dev->irq_done); > + dev_set_drvdata(&pdev->dev, dev); > + dev->dev = &pdev->dev; > + dev->product_code = wave5_vdi_read_register(dev, VPU_PRODUCT_CODE_REGISTER); > + ret = wave5_vdi_init(&pdev->dev); > + if (ret < 0) { > + dev_err(&pdev->dev, "failed to init vdi: %d\n", ret); > + return ret; > + } > + dev->product = wave_vpu_get_product_id(dev); > + > + ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev); > + if (ret) { > + dev_err(&pdev->dev, "v4l2_device_register fail: %d\n", ret); > + goto err_v4l2_dev_reg; > + } > + > + dev->v4l2_m2m_dev = v4l2_m2m_init(&wave5_vpu_m2m_ops); > + if (IS_ERR(dev->v4l2_m2m_dev)) { > + dev_err(&pdev->dev, "v4l2_m2m_init fail: %ld\n", PTR_ERR(dev->v4l2_m2m_dev)); > + ret = PTR_ERR(dev->v4l2_m2m_dev); > + goto err_m2m_init; > + } > + > + if (match_data->flags & WAVE5_IS_DEC) { > + ret = wave5_vpu_dec_register_device(dev); > + if (ret) { > + dev_err(&pdev->dev, "wave5_vpu_dec_register_device fail: %d\n", ret); > + goto err_dec_reg; > + } > + } > + if (match_data->flags & WAVE5_IS_ENC) { > + ret = wave5_vpu_enc_register_device(dev); > + if (ret) { > + dev_err(&pdev->dev, "wave5_vpu_enc_register_device fail: %d\n", ret); > + goto err_enc_reg; > + } > + } > + > + ret = devm_clk_bulk_get_all(&pdev->dev, &dev->clks); > + > + /* continue without clock, assume externally managed */ > + if (ret < 0) { > + dev_warn(&pdev->dev, "unable to get clocks: %d\n", ret); > + ret = 0; > + } > + dev->num_clks = ret; > + > + ret = clk_bulk_prepare_enable(dev->num_clks, dev->clks); > + if (ret) { > + dev_err(&pdev->dev, "failed to enable clocks: %d\n", ret); > + goto err_clk_prep_en; > + } > + > + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); > + if (!res) { > + dev_err(&pdev->dev, "failed to get irq resource\n"); > + ret = -ENXIO; > + goto err_get_irq; > + } > + dev->irq = res->start; > + > + if (kfifo_alloc(&dev->irq_status, 16 * sizeof(int), GFP_KERNEL)) { > + dev_err(&pdev->dev, "failed to allocate fifo\n"); > + goto err_kfifo_alloc; > + } > + > + ret = devm_request_threaded_irq(&pdev->dev, dev->irq, wave5_vpu_irq, > + wave5_vpu_irq_thread, 0, "vpu_irq", dev); > + if (ret) { > + dev_err(&pdev->dev, "fail to register interrupt handler: %d\n", ret); > + goto err_request_irq; > + } > + > + ret = wave5_vpu_load_firmware(&pdev->dev, match_data->fw_name); > + if (ret) { > + dev_err(&pdev->dev, "failed to wave5_vpu_load_firmware: %d\n", ret); > + goto err_load_fw; > + } > + > + return 0; > + > +err_load_fw: > +err_request_irq: > + kfifo_free(&dev->irq_status); > +err_kfifo_alloc: > +err_get_irq: > + clk_bulk_disable_unprepare(dev->num_clks, dev->clks); > +err_clk_prep_en: > + if (match_data->flags & WAVE5_IS_ENC) > + wave5_vpu_enc_unregister_device(dev); > +err_enc_reg: > + if (match_data->flags & WAVE5_IS_DEC) > + wave5_vpu_dec_unregister_device(dev); > +err_dec_reg: > + v4l2_m2m_release(dev->v4l2_m2m_dev); > +err_m2m_init: > + v4l2_device_unregister(&dev->v4l2_dev); > +err_v4l2_dev_reg: > + wave5_vdi_release(&pdev->dev); > + > + return ret; > +} > + > +static int wave5_vpu_remove(struct platform_device *pdev) > +{ > + struct vpu_device *dev = dev_get_drvdata(&pdev->dev); > + > + clk_bulk_disable_unprepare(dev->num_clks, dev->clks); > + wave5_vpu_enc_unregister_device(dev); > + wave5_vpu_dec_unregister_device(dev); > + v4l2_m2m_release(dev->v4l2_m2m_dev); > + v4l2_device_unregister(&dev->v4l2_dev); > + kfifo_free(&dev->irq_status); > + wave5_vdi_release(&pdev->dev); > + > + return 0; > +} > + > +const struct wave5_match_data wave511_data = { > + .flags = WAVE5_IS_DEC, > + .fw_name = "wave511_dec_fw.bin", > +}; > + > +const struct wave5_match_data wave521_data = { > + .flags = WAVE5_IS_ENC, > + .fw_name = "wave521_enc_fw.bin", > +}; > + > +const struct wave5_match_data wave521c_data = { > + .flags = WAVE5_IS_ENC | WAVE5_IS_DEC, > + .fw_name = "wave521c_codec_fw.bin", > +}; > + > +const struct wave5_match_data default_match_data = { > + .flags = WAVE5_IS_ENC | WAVE5_IS_DEC, > + .fw_name = "chagall.bin", > +}; > + > +static const struct of_device_id wave5_dt_ids[] = { > + { .compatible = "cnm,cm511-vpu", .data = &wave511_data }, > + { .compatible = "cnm,cm517-vpu", .data = &default_match_data }, > + { .compatible = "cnm,cm521-vpu", .data = &wave521_data }, > + { .compatible = "cnm,cm521c-vpu", .data = &wave521c_data }, > + { .compatible = "cnm,cm521c-dual-vpu", .data = &wave521c_data }, > + { .compatible = "cnm,cm521e1-vpu", .data = &default_match_data }, > + { .compatible = "cnm,cm537-vpu", .data = &default_match_data }, > + { /* sentinel */ } > +}; > +MODULE_DEVICE_TABLE(of, wave5_dt_ids); > + > +static struct platform_driver wave5_vpu_driver = { > + .driver = { > + .name = VPU_PLATFORM_DEVICE_NAME, > + .of_match_table = of_match_ptr(wave5_dt_ids), > + }, > + .probe = wave5_vpu_probe, > + .remove = wave5_vpu_remove, > + //.suspend = vpu_suspend, > + //.resume = vpu_resume, > +}; > + > +module_platform_driver(wave5_vpu_driver); > +MODULE_DESCRIPTION("chips&media VPU V4L2 driver"); > +MODULE_LICENSE("Dual BSD/GPL"); > diff --git a/drivers/staging/media/wave5/vpu.h b/drivers/staging/media/wave5/vpu.h > new file mode 100644 > index 000000000000..4caf16c62486 > --- /dev/null > +++ b/drivers/staging/media/wave5/vpu.h > @@ -0,0 +1,64 @@ > +/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */ > +/* > + * Wave5 series multi-standard codec IP - basic types > + * > + * Copyright (C) 2021 CHIPS&MEDIA INC > + */ > +#ifndef __VPU_DRV_H__ > +#define __VPU_DRV_H__ > + > +#include <media/v4l2-ctrls.h> > +#include <media/v4l2-ioctl.h> > +#include <media/v4l2-event.h> > +#include <media/v4l2-fh.h> > +#include <media/videobuf2-v4l2.h> > +#include <media/videobuf2-dma-contig.h> > +#include <media/videobuf2-vmalloc.h> > +#include "vpuconfig.h" > +#include "vpuapi.h" > + > +#define VPU_BUF_SYNC_TO_DEVICE 0 > +#define VPU_BUF_SYNC_FROM_DEVICE 1 > + > +struct vpu_buffer { > + struct v4l2_m2m_buffer v4l2_m2m_buf; > + bool consumed; > +}; > + > +enum vpu_fmt_type { > + VPU_FMT_TYPE_CODEC = 0, > + VPU_FMT_TYPE_RAW = 1 > +}; > + > +struct vpu_format { > + unsigned int v4l2_pix_fmt; > + unsigned int max_width; > + unsigned int min_width; > + unsigned int max_height; > + unsigned int min_height; > +}; > + > +static inline struct vpu_instance *wave5_to_vpu_inst(struct v4l2_fh *vfh) > +{ > + return container_of(vfh, struct vpu_instance, v4l2_fh); > +} > + > +static inline struct vpu_instance *wave5_ctrl_to_vpu_inst(struct v4l2_ctrl *vctrl) > +{ > + return container_of(vctrl->handler, struct vpu_instance, v4l2_ctrl_hdl); > +} > + > +static inline struct vpu_buffer *wave5_to_vpu_buf(struct vb2_v4l2_buffer *vbuf) > +{ > + return container_of(vbuf, struct vpu_buffer, v4l2_m2m_buf.vb); > +} > + > +int wave5_vpu_wait_interrupt(struct vpu_instance *inst, unsigned int timeout); > + > +int wave5_vpu_dec_register_device(struct vpu_device *dev); > +void wave5_vpu_dec_unregister_device(struct vpu_device *dev); > +int wave5_vpu_enc_register_device(struct vpu_device *dev); > +void wave5_vpu_enc_unregister_device(struct vpu_device *dev); > +inline bool wave5_vpu_both_queues_are_streaming(struct vpu_instance *inst); > +#endif > + > diff --git a/drivers/staging/media/wave5/vpu_dec.c b/drivers/staging/media/wave5/vpu_dec.c > new file mode 100644 > index 000000000000..613a337cc0fc > --- /dev/null > +++ b/drivers/staging/media/wave5/vpu_dec.c > @@ -0,0 +1,1397 @@ > +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) > +/* > + * Wave5 series multi-standard codec IP - decoder interface > + * > + * Copyright (C) 2021 CHIPS&MEDIA INC > + */ > +#include "vpu.h" > +#define VPU_DEC_DEV_NAME "C&M VPU decoder" > +#define VPU_DEC_DRV_NAME "vpu-dec" > +#define V4L2_CID_VPU_THUMBNAIL_MODE (V4L2_CID_USER_BASE + 0x1001) > + > +static const struct vpu_format wave5_vpu_dec_fmt_list[2][6] = { > + [VPU_FMT_TYPE_CODEC] = { > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_HEVC, > + .max_width = 8192, > + .min_width = 8, > + .max_height = 8192, > + .min_height = 8, > + }, > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_H264, > + .max_width = 8192, > + .min_width = 32, > + .max_height = 8192, > + .min_height = 32, > + }, > + }, > + [VPU_FMT_TYPE_RAW] = { > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_YUV420, > + .max_width = 8192, > + .min_width = 8, > + .max_height = 8192, > + .min_height = 8, > + }, > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_NV12, > + .max_width = 8192, > + .min_width = 8, > + .max_height = 8192, > + .min_height = 8, > + }, > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_NV21, > + .max_width = 8192, > + .min_width = 8, > + .max_height = 8192, > + .min_height = 8, > + }, > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_YUV420M, > + .max_width = 8192, > + .min_width = 8, > + .max_height = 8192, > + .min_height = 8, > + }, > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_NV12M, > + .max_width = 8192, > + .min_width = 8, > + .max_height = 8192, > + .min_height = 8, > + }, > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_NV21M, > + .max_width = 8192, > + .min_width = 8, > + .max_height = 8192, > + .min_height = 8, > + }, > + } > +}; > + > +static enum wave_std wave5_to_vpu_codstd(unsigned int v4l2_pix_fmt) > +{ > + switch (v4l2_pix_fmt) { > + case V4L2_PIX_FMT_H264: > + return W_AVC_DEC; > + case V4L2_PIX_FMT_HEVC: > + return W_HEVC_DEC; > + default: > + return STD_UNKNOWN; > + } > +} > + > +static const struct vpu_format *wave5_get_vpu_fmt(unsigned int v4l2_pix_fmt, enum vpu_fmt_type type) > +{ > + unsigned int index; > + > + for (index = 0; index < ARRAY_SIZE(wave5_vpu_dec_fmt_list[type]); index++) { > + if (wave5_vpu_dec_fmt_list[type][index].v4l2_pix_fmt == v4l2_pix_fmt) > + return &wave5_vpu_dec_fmt_list[type][index]; > + } > + > + return NULL; > +} > + > +static const struct vpu_format *wave5_find_vpu_fmt_by_idx(unsigned int idx, enum vpu_fmt_type type) > +{ > + if (idx >= ARRAY_SIZE(wave5_vpu_dec_fmt_list[type])) > + return NULL; > + > + if (!wave5_vpu_dec_fmt_list[type][idx].v4l2_pix_fmt) > + return NULL; > + > + return &wave5_vpu_dec_fmt_list[type][idx]; > +} > + > +static void wave5_handle_bitstream_buffer(struct vpu_instance *inst) > +{ > + struct v4l2_m2m_buffer *v4l2_m2m_buf = NULL; > + > + unsigned long flags; > + > + spin_lock_irqsave(&inst->bitstream_lock, flags); > + > + v4l2_m2m_for_each_src_buf(inst->v4l2_fh.m2m_ctx, v4l2_m2m_buf) { > + int ret; > + struct vb2_v4l2_buffer *vbuf = &v4l2_m2m_buf->vb; > + struct vpu_buffer *vpu_buf = wave5_to_vpu_buf(vbuf); > + u32 src_size = vb2_get_plane_payload(&vbuf->vb2_buf, 0); > + void *src_buf = vb2_plane_vaddr(&vbuf->vb2_buf, 0); > + dma_addr_t bs_rd_ptr = 0; > + dma_addr_t bs_wr_ptr = 0; > + u32 bs_remain_size = 0; > + size_t offset; > + > + if (vpu_buf->consumed) { > + dev_dbg(inst->dev->dev, "already consumed buffer\n"); > + continue; > + } > + > + wave5_vpu_dec_get_bitstream_buffer(inst, &bs_rd_ptr, &bs_wr_ptr, &bs_remain_size); > + > + if (bs_remain_size < src_size) { > + dev_dbg(inst->dev->dev, "fill next time : remained size < source size.\n"); > + continue; > + } > + > + offset = bs_wr_ptr - inst->bitstream_vbuf.daddr; > + if (bs_wr_ptr + src_size > inst->bitstream_vbuf.daddr + inst->bitstream_vbuf.size) { > + int size; > + > + size = inst->bitstream_vbuf.daddr + inst->bitstream_vbuf.size - bs_wr_ptr; > + wave5_vdi_write_memory(inst->dev, &inst->bitstream_vbuf, offset, src_buf, > + size, VDI_128BIT_LITTLE_ENDIAN); > + wave5_vdi_write_memory(inst->dev, &inst->bitstream_vbuf, 0, > + src_buf + size, src_size - size, > + VDI_128BIT_LITTLE_ENDIAN); > + } else { > + wave5_vdi_write_memory(inst->dev, &inst->bitstream_vbuf, offset, src_buf, > + src_size, VDI_128BIT_LITTLE_ENDIAN); > + } > + > + ret = wave5_vpu_dec_update_bitstream_buffer(inst, src_size); > + if (ret) { > + dev_dbg(inst->dev->dev, "vpu_dec_update_bitstream_buffer fail: %d\n", ret); > + continue; > + } > + > + vpu_buf->consumed = TRUE; > + > + if (inst->state == VPU_INST_STATE_WAIT_BUF) > + inst->state = VPU_INST_STATE_PIC_RUN; > + } > + > + spin_unlock_irqrestore(&inst->bitstream_lock, flags); > +} > + > +static void wave5_handle_src_buffer(struct vpu_instance *inst) > +{ > + struct vb2_v4l2_buffer *src_buf; > + > + unsigned long flags; > + > + spin_lock_irqsave(&inst->bitstream_lock, flags); > + > + src_buf = v4l2_m2m_next_src_buf(inst->v4l2_fh.m2m_ctx); > + if (src_buf) { > + struct vpu_buffer *vpu_buf = wave5_to_vpu_buf(src_buf); > + > + if (vpu_buf->consumed) { > + u32 remain_num = 0; > + > + dev_dbg(inst->dev->dev, "already consumed buffer\n"); > + remain_num = v4l2_m2m_num_src_bufs_ready(inst->v4l2_fh.m2m_ctx); > + dev_dbg(inst->dev->dev, "remain buffer : %d\n", remain_num); > + if (remain_num > 1) { > + src_buf = v4l2_m2m_src_buf_remove(inst->v4l2_fh.m2m_ctx); > + inst->timestamp = src_buf->vb2_buf.timestamp; > + v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE); > + } > + } > + } > + spin_unlock_irqrestore(&inst->bitstream_lock, flags); > +} > + > +static void wave5_update_pix_fmt(struct v4l2_pix_format_mplane *pix_mp, unsigned int width, > + unsigned int height) > +{ > + switch (pix_mp->pixelformat) { > + case V4L2_PIX_FMT_YUV420: > + case V4L2_PIX_FMT_NV12: > + case V4L2_PIX_FMT_NV21: > + pix_mp->width = round_up(width, 32); > + pix_mp->height = height; > + pix_mp->plane_fmt[0].bytesperline = round_up(width, 32); > + pix_mp->plane_fmt[0].sizeimage = width * height * 3 / 2; > + memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved)); > + break; > + case V4L2_PIX_FMT_YUV420M: > + pix_mp->width = round_up(width, 32); > + pix_mp->height = height; > + pix_mp->plane_fmt[0].bytesperline = round_up(width, 32); > + pix_mp->plane_fmt[0].sizeimage = width * height; > + memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved)); > + pix_mp->plane_fmt[1].bytesperline = round_up(width, 32) / 2; > + pix_mp->plane_fmt[1].sizeimage = width * height / 4; > + memset(&pix_mp->plane_fmt[1].reserved, 0, sizeof(pix_mp->plane_fmt[1].reserved)); > + pix_mp->plane_fmt[2].bytesperline = round_up(width, 32) / 2; > + pix_mp->plane_fmt[2].sizeimage = width * height / 4; > + memset(&pix_mp->plane_fmt[2].reserved, 0, sizeof(pix_mp->plane_fmt[2].reserved)); > + break; > + case V4L2_PIX_FMT_NV12M: > + case V4L2_PIX_FMT_NV21M: > + pix_mp->width = round_up(width, 32); > + pix_mp->height = height; > + pix_mp->plane_fmt[0].bytesperline = round_up(width, 32); > + pix_mp->plane_fmt[0].sizeimage = width * height; > + memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved)); > + pix_mp->plane_fmt[1].bytesperline = round_up(width, 32); > + pix_mp->plane_fmt[1].sizeimage = width * height / 2; > + memset(&pix_mp->plane_fmt[1].reserved, 0, sizeof(pix_mp->plane_fmt[1].reserved)); > + break; > + default: > + pix_mp->width = width; > + pix_mp->height = height; > + pix_mp->plane_fmt[0].bytesperline = 0; > + pix_mp->plane_fmt[0].sizeimage = width * height / 2; > + memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved)); > + break; > + } > +} > + > +static void wave5_vpu_dec_start_decode(struct vpu_instance *inst) > +{ > + struct dec_param pic_param; > + struct queue_status_info q_status; > + u32 remain_cmd_q, max_cmd_q = 0; > + > + memset(&pic_param, 0, sizeof(struct dec_param)); > + > + wave5_vpu_dec_give_command(inst, DEC_GET_QUEUE_STATUS, &q_status); > + dev_dbg(inst->dev->dev, "min_src_buf_cnt :%d default : %d | qcount : %d | report_q : %d\n", > + inst->min_src_frame_buf_count, COMMAND_QUEUE_DEPTH, q_status.instance_queue_count, > + q_status.report_queue_count); > + > + max_cmd_q = (inst->min_src_frame_buf_count < COMMAND_QUEUE_DEPTH) ? > + inst->min_src_frame_buf_count : COMMAND_QUEUE_DEPTH; > + remain_cmd_q = max_cmd_q - q_status.instance_queue_count; > + > + while (remain_cmd_q) { > + int ret; If you're going to have a ret variable, just declare it at the start of the function. > + u32 fail_res = 0; > + > + ret = wave5_vpu_dec_start_one_frame(inst, &pic_param, &fail_res); > + if (ret) { > + if (fail_res != WAVE5_SYSERR_QUEUEING_FAIL) { > + struct vb2_v4l2_buffer *src_buf = > + v4l2_m2m_src_buf_remove(inst->v4l2_fh.m2m_ctx); > + > + inst->state = VPU_INST_STATE_STOP; > + v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR); > + break; > + } > + } else { > + dev_dbg(inst->dev->dev, "vpu_dec_start_one_frame success %d\n", ret); This is a pointless debug statement. ret is zero. > + } > + > + remain_cmd_q--; > + } > +} > + > +static void wave5_vpu_dec_stop_decode(struct vpu_instance *inst) > +{ > + u32 i; > + unsigned long flags; > + > + inst->state = VPU_INST_STATE_STOP; > + > + spin_lock_irqsave(&inst->bitstream_lock, flags); > + wave5_vpu_dec_update_bitstream_buffer(inst, 0); > + spin_unlock_irqrestore(&inst->bitstream_lock, flags); > + > + for (i = 0; i < inst->min_dst_frame_buf_count; i++) { > + wave5_vpu_dec_clr_disp_flag(inst, i); > + dev_dbg(inst->dev->dev, "clear display flag : %d\n", i); Just use ftrace for this. Delete the debug statement. > + } > +} > + > +static void wave5_vpu_dec_finish_decode(struct vpu_instance *inst) > +{ > + struct dec_output_info dec_output_info; > + int ret_code; > + int irq_status; > + > + if (kfifo_out(&inst->dev->irq_status, &irq_status, sizeof(int))) > + wave5_vpu_clear_interrupt_ex(inst, irq_status); > + > + if (irq_status & (1 << INT_WAVE5_BSBUF_EMPTY)) { > + dev_dbg(inst->dev->dev, "bitstream EMPTY!!!!\n"); > + inst->state = VPU_INST_STATE_WAIT_BUF; > + wave5_handle_src_buffer(inst); > + wave5_handle_bitstream_buffer(inst); > + } > + > + if (!(irq_status & (1 << INT_WAVE5_DEC_PIC))) > + return; > + ret_code = wave5_vpu_dec_get_output_info(inst, &dec_output_info); > + if (ret_code) { > + v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, inst->v4l2_fh.m2m_ctx); > + return; > + } > + if (inst->state == VPU_INST_STATE_STOP) { > + struct queue_status_info q_status; > + > + if (dec_output_info.index_frame_display >= 0) > + wave5_vpu_dec_clr_disp_flag(inst, dec_output_info.index_frame_display); > + > + wave5_vpu_dec_give_command(inst, DEC_GET_QUEUE_STATUS, &q_status); > + > + if (!(q_status.report_queue_count + q_status.instance_queue_count)) > + v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, inst->v4l2_fh.m2m_ctx); > + } else if (dec_output_info.index_frame_decoded == DECODED_IDX_FLAG_NO_FB && > + dec_output_info.index_frame_display == DISPLAY_IDX_FLAG_NO_FB) { > + dev_dbg(inst->dev->dev, "no more frame buffer\n"); > + inst->state = VPU_INST_STATE_WAIT_BUF; > + } else { > + wave5_handle_src_buffer(inst); > + > + if (dec_output_info.index_frame_display >= 0) { > + struct vb2_v4l2_buffer *dst_buf = > + v4l2_m2m_dst_buf_remove_by_idx(inst->v4l2_fh.m2m_ctx, > + dec_output_info.index_frame_display); > + int stride = dec_output_info.disp_frame.stride; > + int height = dec_output_info.disp_pic_height; > + > + if (inst->dst_fmt.num_planes == 1) { > + vb2_set_plane_payload(&dst_buf->vb2_buf, 0, > + (stride * height * 3 / 2)); > + } else if (inst->dst_fmt.num_planes == 2) { > + vb2_set_plane_payload(&dst_buf->vb2_buf, 0, > + (stride * height)); > + vb2_set_plane_payload(&dst_buf->vb2_buf, 1, > + ((stride / 2) * height)); > + } else if (inst->dst_fmt.num_planes == 3) { > + vb2_set_plane_payload(&dst_buf->vb2_buf, 0, > + (stride * height)); > + vb2_set_plane_payload(&dst_buf->vb2_buf, 1, > + ((stride / 2) * (height / 2))); > + vb2_set_plane_payload(&dst_buf->vb2_buf, 2, > + ((stride / 2) * (height / 2))); > + } > + > + dst_buf->vb2_buf.timestamp = inst->timestamp; > + dst_buf->field = V4L2_FIELD_NONE; > + v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE); > + } else if (dec_output_info.index_frame_display == DISPLAY_IDX_FLAG_SEQ_END) { > + static const struct v4l2_event vpu_event_eos = { > + .type = V4L2_EVENT_EOS > + }; > + > + dev_dbg(inst->dev->dev, "stream end\n"); > + inst->state = VPU_INST_STATE_STOP; > + v4l2_event_queue_fh(&inst->v4l2_fh, &vpu_event_eos); > + } > + > + if (!kfifo_len(&inst->dev->irq_status)) > + v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, > + inst->v4l2_fh.m2m_ctx); > + } > +} > + > +static int wave5_vpu_dec_querycap(struct file *file, void *fh, struct v4l2_capability *cap) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + > + dev_dbg(inst->dev->dev, "\n"); Delete. > + > + strscpy(cap->driver, VPU_DEC_DRV_NAME, sizeof(cap->driver)); > + strscpy(cap->card, VPU_DEC_DRV_NAME, sizeof(cap->card)); > + strscpy(cap->bus_info, "platform:" VPU_DEC_DRV_NAME, sizeof(cap->bus_info)); > + > + return 0; > +} > + > +static int wave5_vpu_dec_enum_framesizes(struct file *f, void *fh, struct v4l2_frmsizeenum *fsize) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + const struct vpu_format *vpu_fmt; > + > + dev_dbg(inst->dev->dev, "\n"); Delete. > + > + if (fsize->index) > + return -EINVAL; > + > + vpu_fmt = wave5_get_vpu_fmt(fsize->pixel_format, VPU_FMT_TYPE_CODEC); > + if (!vpu_fmt) { > + vpu_fmt = wave5_get_vpu_fmt(fsize->pixel_format, VPU_FMT_TYPE_RAW); > + if (!vpu_fmt) > + return -EINVAL; > + } > + > + fsize->type = V4L2_FRMSIZE_TYPE_CONTINUOUS; > + fsize->stepwise.min_width = vpu_fmt->min_width; > + fsize->stepwise.max_width = vpu_fmt->max_width; > + fsize->stepwise.step_width = 1; > + fsize->stepwise.min_height = vpu_fmt->min_height; > + fsize->stepwise.max_height = vpu_fmt->max_height; > + fsize->stepwise.step_height = 1; > + > + return 0; > +} > + > +static int wave5_vpu_dec_enum_fmt_cap(struct file *file, void *fh, struct v4l2_fmtdesc *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + const struct vpu_format *vpu_fmt; > + > + dev_dbg(inst->dev->dev, "index : %d\n", f->index); Do we need this, really? > + > + vpu_fmt = wave5_find_vpu_fmt_by_idx(f->index, VPU_FMT_TYPE_RAW); > + if (!vpu_fmt) > + return -EINVAL; > + > + f->pixelformat = vpu_fmt->v4l2_pix_fmt; > + f->flags = 0; > + > + return 0; > +} > + > +static int wave5_vpu_dec_try_fmt_cap(struct file *file, void *fh, struct v4l2_format *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + const struct vpu_format *vpu_fmt; > + > + dev_dbg(inst->dev->dev, "4cc %d width %d height %d nm planes %d colorspace %d field : %d\n", > + f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height, > + f->fmt.pix_mp.num_planes, f->fmt.pix_mp.colorspace, f->fmt.pix_mp.field); > + > + if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) > + return -EINVAL; > + > + vpu_fmt = wave5_get_vpu_fmt(f->fmt.pix_mp.pixelformat, VPU_FMT_TYPE_RAW); > + if (!vpu_fmt) { > + f->fmt.pix_mp.pixelformat = inst->dst_fmt.pixelformat; > + f->fmt.pix_mp.num_planes = inst->dst_fmt.num_planes; > + wave5_update_pix_fmt(&f->fmt.pix_mp, inst->dst_fmt.width, inst->dst_fmt.height); > + } else { > + int width = clamp(f->fmt.pix_mp.width, vpu_fmt->min_width, vpu_fmt->max_width); > + int height = clamp(f->fmt.pix_mp.height, vpu_fmt->min_height, vpu_fmt->max_height); > + const struct v4l2_format_info *info = v4l2_format_info(vpu_fmt->v4l2_pix_fmt); > + > + f->fmt.pix_mp.pixelformat = vpu_fmt->v4l2_pix_fmt; > + f->fmt.pix_mp.num_planes = info->mem_planes; > + wave5_update_pix_fmt(&f->fmt.pix_mp, width, height); > + } > + > + f->fmt.pix_mp.flags = 0; > + f->fmt.pix_mp.field = V4L2_FIELD_NONE; > + f->fmt.pix_mp.colorspace = inst->colorspace; > + f->fmt.pix_mp.ycbcr_enc = inst->ycbcr_enc; > + f->fmt.pix_mp.hsv_enc = inst->hsv_enc; > + f->fmt.pix_mp.quantization = inst->quantization; > + f->fmt.pix_mp.xfer_func = inst->xfer_func; > + memset(&f->fmt.pix_mp.reserved, 0, sizeof(f->fmt.pix_mp.reserved)); > + > + return 0; > +} > + > +static int wave5_vpu_dec_s_fmt_cap(struct file *file, void *fh, struct v4l2_format *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + int i, ret; > + > + dev_dbg(inst->dev->dev, "4cc %d width %d height %d num_planes %d colorspace %d field %d\n", > + f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height, > + f->fmt.pix_mp.num_planes, f->fmt.pix_mp.colorspace, f->fmt.pix_mp.field); > + > + ret = wave5_vpu_dec_try_fmt_cap(file, fh, f); > + if (ret) > + return ret; > + > + inst->dst_fmt.width = f->fmt.pix_mp.width; > + inst->dst_fmt.height = f->fmt.pix_mp.height; > + inst->dst_fmt.pixelformat = f->fmt.pix_mp.pixelformat; > + inst->dst_fmt.field = f->fmt.pix_mp.field; > + inst->dst_fmt.flags = f->fmt.pix_mp.flags; > + inst->dst_fmt.num_planes = f->fmt.pix_mp.num_planes; > + for (i = 0; i < inst->dst_fmt.num_planes; i++) { > + inst->dst_fmt.plane_fmt[i].bytesperline = f->fmt.pix_mp.plane_fmt[i].bytesperline; > + inst->dst_fmt.plane_fmt[i].sizeimage = f->fmt.pix_mp.plane_fmt[i].sizeimage; > + } > + > + return 0; > +} > + > +static int wave5_vpu_dec_g_fmt_cap(struct file *file, void *fh, struct v4l2_format *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + int i; > + > + dev_dbg(inst->dev->dev, "\n"); Delete. > + > + f->fmt.pix_mp.width = inst->dst_fmt.width; > + f->fmt.pix_mp.height = inst->dst_fmt.height; > + f->fmt.pix_mp.pixelformat = inst->dst_fmt.pixelformat; > + f->fmt.pix_mp.field = inst->dst_fmt.field; > + f->fmt.pix_mp.flags = inst->dst_fmt.flags; > + f->fmt.pix_mp.num_planes = inst->dst_fmt.num_planes; > + for (i = 0; i < f->fmt.pix_mp.num_planes; i++) { > + f->fmt.pix_mp.plane_fmt[i].bytesperline = inst->dst_fmt.plane_fmt[i].bytesperline; > + f->fmt.pix_mp.plane_fmt[i].sizeimage = inst->dst_fmt.plane_fmt[i].sizeimage; > + } > + > + f->fmt.pix_mp.colorspace = inst->colorspace; > + f->fmt.pix_mp.ycbcr_enc = inst->ycbcr_enc; > + f->fmt.pix_mp.hsv_enc = inst->hsv_enc; > + f->fmt.pix_mp.quantization = inst->quantization; > + f->fmt.pix_mp.xfer_func = inst->xfer_func; > + > + return 0; > +} > + > +static int wave5_vpu_dec_enum_fmt_out(struct file *file, void *fh, struct v4l2_fmtdesc *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + const struct vpu_format *vpu_fmt; > + > + dev_dbg(inst->dev->dev, "index : %d\n", f->index); > + > + vpu_fmt = wave5_find_vpu_fmt_by_idx(f->index, VPU_FMT_TYPE_CODEC); > + if (!vpu_fmt) > + return -EINVAL; > + > + f->pixelformat = vpu_fmt->v4l2_pix_fmt; > + f->flags = 0; > + > + return 0; > +} > + > +static int wave5_vpu_dec_try_fmt_out(struct file *file, void *fh, struct v4l2_format *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + const struct vpu_format *vpu_fmt; > + > + dev_dbg(inst->dev->dev, "4cc %d width %d height %d num_planes %d colorspace %d field %d\n", > + f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height, > + f->fmt.pix_mp.num_planes, f->fmt.pix_mp.colorspace, f->fmt.pix_mp.field); > + > + if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) > + return -EINVAL; > + > + vpu_fmt = wave5_get_vpu_fmt(f->fmt.pix_mp.pixelformat, VPU_FMT_TYPE_CODEC); > + if (!vpu_fmt) { > + f->fmt.pix_mp.pixelformat = inst->src_fmt.pixelformat; > + f->fmt.pix_mp.num_planes = inst->src_fmt.num_planes; > + wave5_update_pix_fmt(&f->fmt.pix_mp, inst->src_fmt.width, inst->src_fmt.height); > + } else { > + int width = clamp(f->fmt.pix_mp.width, vpu_fmt->min_width, vpu_fmt->max_width); > + int height = clamp(f->fmt.pix_mp.height, vpu_fmt->min_height, vpu_fmt->max_height); > + > + f->fmt.pix_mp.pixelformat = vpu_fmt->v4l2_pix_fmt; > + f->fmt.pix_mp.num_planes = 1; > + wave5_update_pix_fmt(&f->fmt.pix_mp, width, height); > + } > + > + f->fmt.pix_mp.flags = 0; > + f->fmt.pix_mp.field = V4L2_FIELD_NONE; > + memset(&f->fmt.pix_mp.reserved, 0, sizeof(f->fmt.pix_mp.reserved)); > + > + return 0; > +} > + > +static int wave5_vpu_dec_s_fmt_out(struct file *file, void *fh, struct v4l2_format *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + int i, ret; > + > + dev_dbg(inst->dev->dev, "pixelformat %d width %d height %d num_planes %d field : %d\n", > + f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height, > + f->fmt.pix_mp.num_planes, f->fmt.pix_mp.field); > + > + ret = wave5_vpu_dec_try_fmt_out(file, fh, f); > + if (ret) > + return ret; > + > + inst->src_fmt.width = f->fmt.pix_mp.width; > + inst->src_fmt.height = f->fmt.pix_mp.height; > + inst->src_fmt.pixelformat = f->fmt.pix_mp.pixelformat; > + inst->src_fmt.field = f->fmt.pix_mp.field; > + inst->src_fmt.flags = f->fmt.pix_mp.flags; > + inst->src_fmt.num_planes = f->fmt.pix_mp.num_planes; > + for (i = 0; i < inst->src_fmt.num_planes; i++) { > + inst->src_fmt.plane_fmt[i].bytesperline = f->fmt.pix_mp.plane_fmt[i].bytesperline; > + inst->src_fmt.plane_fmt[i].sizeimage = f->fmt.pix_mp.plane_fmt[i].sizeimage; > + } > + > + inst->colorspace = f->fmt.pix_mp.colorspace; > + inst->ycbcr_enc = f->fmt.pix_mp.ycbcr_enc; > + inst->hsv_enc = f->fmt.pix_mp.hsv_enc; > + inst->quantization = f->fmt.pix_mp.quantization; > + inst->xfer_func = f->fmt.pix_mp.xfer_func; > + > + wave5_update_pix_fmt(&inst->dst_fmt, f->fmt.pix_mp.width, f->fmt.pix_mp.height); > + > + return 0; > +} > + > +static int wave5_vpu_dec_g_fmt_out(struct file *file, void *fh, struct v4l2_format *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + int i; > + > + dev_dbg(inst->dev->dev, "\n"); Delete. > + > + f->fmt.pix_mp.width = inst->src_fmt.width; > + f->fmt.pix_mp.height = inst->src_fmt.height; > + f->fmt.pix_mp.pixelformat = inst->src_fmt.pixelformat; > + f->fmt.pix_mp.field = inst->src_fmt.field; > + f->fmt.pix_mp.flags = inst->src_fmt.flags; > + f->fmt.pix_mp.num_planes = inst->src_fmt.num_planes; > + for (i = 0; i < f->fmt.pix_mp.num_planes; i++) { > + f->fmt.pix_mp.plane_fmt[i].bytesperline = inst->src_fmt.plane_fmt[i].bytesperline; > + f->fmt.pix_mp.plane_fmt[i].sizeimage = inst->src_fmt.plane_fmt[i].sizeimage; > + } > + > + f->fmt.pix_mp.colorspace = inst->colorspace; > + f->fmt.pix_mp.ycbcr_enc = inst->ycbcr_enc; > + f->fmt.pix_mp.hsv_enc = inst->hsv_enc; > + f->fmt.pix_mp.quantization = inst->quantization; > + f->fmt.pix_mp.xfer_func = inst->xfer_func; > + > + return 0; > +} > + > +static int wave5_vpu_dec_g_selection(struct file *file, void *fh, struct v4l2_selection *s) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + > + dev_dbg(inst->dev->dev, "type : %d | target : %d\n", s->type, s->target); > + > + if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { Reverse this if statement. Pull the code in a tab. > + switch (s->target) { > + case V4L2_SEL_TGT_COMPOSE_BOUNDS: > + case V4L2_SEL_TGT_COMPOSE_PADDED: > + s->r.left = 0; > + s->r.top = 0; > + s->r.width = inst->dst_fmt.width; > + s->r.height = inst->dst_fmt.height; > + break; > + case V4L2_SEL_TGT_COMPOSE: > + case V4L2_SEL_TGT_COMPOSE_DEFAULT: > + s->r.left = 0; > + s->r.top = 0; > + s->r.width = inst->src_fmt.width; > + s->r.height = inst->src_fmt.height; > + break; > + default: > + return -EINVAL; > + } > + } else { > + return -EINVAL; > + } > + > + return 0; > +} > + > +static int wave5_vpu_dec_s_selection(struct file *file, void *fh, struct v4l2_selection *s) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + > + dev_dbg(inst->dev->dev, "type : %d | target : %d\n", s->type, s->target); > + > + if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { Reverse this if statement. > + switch (s->target) { > + case V4L2_SEL_TGT_COMPOSE: > + dev_dbg(inst->dev->dev, "V4L2_SEL_TGT_COMPOSE width : %d | height : %d\n", > + s->r.width, s->r.height); > + inst->dst_fmt.width = s->r.width; > + inst->dst_fmt.height = s->r.height; > + break; > + default: > + return -EINVAL; > + } > + } else { > + return -EINVAL; > + } > + > + return 0; > +} > + > +static int wave5_vpu_dec_try_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *dc) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + > + dev_dbg(inst->dev->dev, "decoder command : %d\n", dc->cmd); > + > + if (dc->cmd != V4L2_DEC_CMD_STOP && dc->cmd != V4L2_DEC_CMD_START) > + return -EINVAL; > + > + dc->flags = 0; > + > + if (dc->cmd == V4L2_DEC_CMD_STOP) { > + dc->stop.pts = 0; > + } else if (dc->cmd == V4L2_DEC_CMD_START) { > + dc->start.speed = 0; > + dc->start.format = V4L2_DEC_START_FMT_NONE; > + } > + > + return 0; > +} > + > +static int wave5_vpu_dec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *dc) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + int ret; > + > + dev_dbg(inst->dev->dev, "decoder command : %d\n", dc->cmd); > + > + ret = wave5_vpu_dec_try_decoder_cmd(file, fh, dc); > + if (ret < 0) > + return ret; > + > + if (!wave5_vpu_both_queues_are_streaming(inst)) > + return 0; > + > + switch (dc->cmd) { > + case V4L2_DEC_CMD_STOP: > + wave5_vpu_dec_stop_decode(inst); > + break; > + case V4L2_DEC_CMD_START: > + break; > + default: > + return -EINVAL; > + } > + > + return 0; > +} > + > +static int wave5_vpu_dec_subscribe_event(struct v4l2_fh *fh, > + const struct v4l2_event_subscription *sub) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + > + dev_dbg(inst->dev->dev, "type : %d id : %d | flags : %d\n", sub->type, sub->id, sub->flags); > + > + switch (sub->type) { > + case V4L2_EVENT_EOS: > + return v4l2_event_subscribe(fh, sub, 0, NULL); > + case V4L2_EVENT_SOURCE_CHANGE: > + return v4l2_src_change_event_subscribe(fh, sub); > + case V4L2_EVENT_CTRL: > + return v4l2_ctrl_subscribe_event(fh, sub); > + default: > + return -EINVAL; > + } > +} > + > +static const struct v4l2_ioctl_ops wave5_vpu_dec_ioctl_ops = { > + .vidioc_querycap = wave5_vpu_dec_querycap, > + .vidioc_enum_framesizes = wave5_vpu_dec_enum_framesizes, > + > + .vidioc_enum_fmt_vid_cap = wave5_vpu_dec_enum_fmt_cap, > + .vidioc_s_fmt_vid_cap_mplane = wave5_vpu_dec_s_fmt_cap, > + .vidioc_g_fmt_vid_cap_mplane = wave5_vpu_dec_g_fmt_cap, > + .vidioc_try_fmt_vid_cap_mplane = wave5_vpu_dec_try_fmt_cap, > + > + .vidioc_enum_fmt_vid_out = wave5_vpu_dec_enum_fmt_out, > + .vidioc_s_fmt_vid_out_mplane = wave5_vpu_dec_s_fmt_out, > + .vidioc_g_fmt_vid_out_mplane = wave5_vpu_dec_g_fmt_out, > + .vidioc_try_fmt_vid_out_mplane = wave5_vpu_dec_try_fmt_out, > + > + .vidioc_g_selection = wave5_vpu_dec_g_selection, > + .vidioc_s_selection = wave5_vpu_dec_s_selection, > + > + .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, > + .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, > + .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, > + .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, > + .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, > + .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, > + .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, > + .vidioc_streamon = v4l2_m2m_ioctl_streamon, > + .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, > + > + .vidioc_try_decoder_cmd = wave5_vpu_dec_try_decoder_cmd, > + .vidioc_decoder_cmd = wave5_vpu_dec_decoder_cmd, > + > + .vidioc_subscribe_event = wave5_vpu_dec_subscribe_event, > + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, > +}; > + > +static int wave5_vpu_dec_g_volatile_ctrl(struct v4l2_ctrl *ctrl) > +{ > + struct vpu_instance *inst = wave5_ctrl_to_vpu_inst(ctrl); > + > + dev_dbg(inst->dev->dev, "name : %s\n", ctrl->name); > + > + switch (ctrl->id) { > + case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: > + if (inst->state != VPU_INST_STATE_NONE && inst->state != VPU_INST_STATE_OPEN) > + ctrl->val = inst->min_dst_frame_buf_count; > + break; > + default: > + return -EINVAL; > + } > + > + dev_dbg(inst->dev->dev, "value : %d\n", ctrl->val); > + > + return 0; > +} > + > +static int wave5_vpu_dec_s_ctrl(struct v4l2_ctrl *ctrl) > +{ > + struct vpu_instance *inst = wave5_ctrl_to_vpu_inst(ctrl); > + > + dev_dbg(inst->dev->dev, "name : %s | value : %d\n", ctrl->name, ctrl->val); > + > + switch (ctrl->id) { > + case V4L2_CID_VPU_THUMBNAIL_MODE: > + inst->thumbnail_mode = ctrl->val; > + break; > + default: > + return -EINVAL; > + } > + > + return 0; > +} > + > +static const struct v4l2_ctrl_ops wave5_vpu_dec_ctrl_ops = { > + .g_volatile_ctrl = wave5_vpu_dec_g_volatile_ctrl, > + .s_ctrl = wave5_vpu_dec_s_ctrl, > +}; > + > +static const struct v4l2_ctrl_config wave5_vpu_thumbnail_mode = { > + .ops = &wave5_vpu_dec_ctrl_ops, > + .id = V4L2_CID_VPU_THUMBNAIL_MODE, > + .name = "thumbnail mode", > + .type = V4L2_CTRL_TYPE_BOOLEAN, > + .def = 0, > + .min = 0, > + .max = 1, > + .step = 1, > + .flags = V4L2_CTRL_FLAG_WRITE_ONLY, > +}; > + > +static void wave5_set_default_dec_openparam(struct dec_open_param *open_param) > +{ > + open_param->bitstream_mode = BS_MODE_INTERRUPT; > + open_param->stream_endian = VPU_STREAM_ENDIAN; > + open_param->frame_endian = VPU_FRAME_ENDIAN; > + open_param->cbcr_interleave = FALSE; > + open_param->nv21 = FALSE; > +} > + > +static int wave5_vpu_dec_queue_setup(struct vb2_queue *q, unsigned int *num_buffers, > + unsigned int *num_planes, unsigned int sizes[], > + struct device *alloc_devs[]) > +{ > + struct vpu_instance *inst = vb2_get_drv_priv(q); > + struct v4l2_pix_format_mplane inst_format = > + (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) ? inst->src_fmt : inst->dst_fmt; > + unsigned int i; > + > + dev_dbg(inst->dev->dev, "num_buffers : %d | num_planes : %d | type : %d\n", *num_buffers, > + *num_planes, q->type); > + > + if (*num_planes) { > + if (inst_format.num_planes != *num_planes) > + return -EINVAL; > + > + for (i = 0; i < *num_planes; i++) { > + if (sizes[i] < inst_format.plane_fmt[i].sizeimage) > + return -EINVAL; > + } > + } else { > + *num_planes = inst_format.num_planes; > + > + if (*num_planes == 1) { > + sizes[0] = inst_format.width * inst_format.height * 3 / 2; > + if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) > + sizes[0] = inst_format.plane_fmt[0].sizeimage; > + dev_dbg(inst->dev->dev, "size[0] : %d\n", sizes[0]); > + } else if (*num_planes == 2) { > + sizes[0] = inst_format.width * inst_format.height; > + sizes[1] = inst_format.width * inst_format.height / 2; > + dev_dbg(inst->dev->dev, "size[0] :%d | size[1] : %d\n", sizes[0], sizes[1]); > + } else if (*num_planes == 3) { > + sizes[0] = inst_format.width * inst_format.height; > + sizes[1] = inst_format.width * inst_format.height / 4; > + sizes[2] = inst_format.width * inst_format.height / 4; > + dev_dbg(inst->dev->dev, "size[0] : %d | size[1] : %d | size[2] : %d\n", > + sizes[0], sizes[1], sizes[2]); > + } > + } > + > + if (inst->state == VPU_INST_STATE_NONE && q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { > + int ret_code; Declare "int ret;" at the start of the function. Change all the "ret_code" variables to "int ret;". > + struct dec_open_param open_param; > + > + memset(&open_param, 0, sizeof(struct dec_open_param)); > + wave5_set_default_dec_openparam(&open_param); > + > + inst->bitstream_vbuf.size = ALIGN(inst->src_fmt.plane_fmt[0].sizeimage, 1024) * 4; > + if (wave5_vdi_allocate_dma_memory(inst->dev, &inst->bitstream_vbuf) < 0) > + dev_dbg(inst->dev->dev, "alloc bitstream fail: %zu\n", > + inst->bitstream_vbuf.size); > + > + inst->std = wave5_to_vpu_codstd(inst->src_fmt.pixelformat); > + if (inst->std == STD_UNKNOWN) { > + dev_warn(inst->dev->dev, "unsupported pixelformat: %.4s\n", > + (char *)&inst->src_fmt.pixelformat); > + return -EINVAL; > + } > + open_param.bitstream_buffer = inst->bitstream_vbuf.daddr; > + open_param.bitstream_buffer_size = inst->bitstream_vbuf.size; > + > + ret_code = wave5_vpu_dec_open(inst, &open_param); > + if (ret_code) { > + dev_dbg(inst->dev->dev, "wave5_vpu_dec_open failed: %d\n", ret_code); > + return -EINVAL; Can we preserve the error code from wave5_vpu_dec_open() "return ret;"? > + } > + > + inst->state = VPU_INST_STATE_OPEN; > + > + //wave5_vpu_dec_give_command(inst, ENABLE_LOGGING, 0); Delete commented out code. > + > + if (inst->thumbnail_mode) > + wave5_vpu_dec_give_command(inst, ENABLE_DEC_THUMBNAIL_MODE, 0); > + > + inst->min_src_frame_buf_count = *num_buffers; > + } > + > + if (inst->state != VPU_INST_STATE_NONE && inst->state != VPU_INST_STATE_OPEN && q->type == > + V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { Please write it like this: if (inst->state != VPU_INST_STATE_NONE && inst->state != VPU_INST_STATE_OPEN && q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { > + *num_buffers = inst->min_dst_frame_buf_count; > + > + if (inst->state == VPU_INST_STATE_INIT_SEQ) { Flip this around. Pull the code in a tab. if (inst->state != VPU_INST_STATE_INIT_SEQ) continue; > + u32 non_linear_num = inst->min_dst_frame_buf_count; > + u32 fb_stride, fb_height; > + u32 luma_size, chroma_size; > + > + for (i = 0; i < non_linear_num; i++) { > + fb_stride = inst->dst_fmt.width; > + fb_height = ALIGN(inst->dst_fmt.height, 32); > + luma_size = fb_stride * fb_height; > + chroma_size = ALIGN(fb_stride / 2, 16) * fb_height; > + > + inst->frame_vbuf[i].size = luma_size + chroma_size; > + if (wave5_vdi_allocate_dma_memory(inst->dev, &inst->frame_vbuf[i]) < 0) > + dev_dbg(inst->dev->dev, "failed to alloc FBC buffer : %zu\n", > + inst->frame_vbuf[i].size); There needs to be some error handling for this. No one will see a dbg and allocation failure is almost certainly going to lead to a crash, probably? > + > + inst->frame_buf[i].buf_y = inst->frame_vbuf[i].daddr; > + inst->frame_buf[i].buf_cb = inst->frame_vbuf[i].daddr + luma_size; > + inst->frame_buf[i].buf_cr = (dma_addr_t)-1; > + inst->frame_buf[i].size = inst->frame_vbuf[i].size; > + inst->frame_buf[i].width = inst->src_fmt.width; > + inst->frame_buf[i].stride = fb_stride; > + inst->frame_buf[i].map_type = COMPRESSED_FRAME_MAP; > + inst->frame_buf[i].update_fb_info = TRUE; Use a tmp variable to shorten the lines and make it more readable. Humans only read the first and last characters of a word so I completely missed the "v" in "inst->frame_vbuf[i].daddr + luma_size;" at first. frame = &inst->frame_buf[i]; vframe = &inst->frame_vbuf[i]; vframe->size = luma_size + chroma_size; ret = wave5_vdi_allocate_dma_memory(inst->dev, vframe); if (ret) something; frame->buf_y = vframe->daddr; frame->buf_cb = vframe->daddr + luma_size; frame->buf_cr = (dma_addr_t)-1; ... > + } > + } > + } > + > + return 0; > +} > + > +static int wave5_vpu_dec_buf_init(struct vb2_buffer *vb) > +{ > + struct vpu_instance *inst = vb2_get_drv_priv(vb->vb2_queue); > + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); > + > + dev_dbg(inst->dev->dev, "type : %4d index %4d size[0] %4ld size[1] %4ld size[2] : %4ld\n", > + vb->type, vb->index, vb2_plane_size(&vbuf->vb2_buf, 0), > + vb2_plane_size(&vbuf->vb2_buf, 1), vb2_plane_size(&vbuf->vb2_buf, 2)); > + return 0; > +} Delete this dummy function. It's not called if it doesn't exist. > + > +static int wave5_vpu_dec_buf_prepare(struct vb2_buffer *vb) > +{ > + struct vpu_instance *inst = vb2_get_drv_priv(vb->vb2_queue); > + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); > + > + dev_dbg(inst->dev->dev, "type : %4d index %4d size[0] %4ld size[1] %4ld size[2] %4ld\n", > + vb->type, vb->index, vb2_plane_size(&vbuf->vb2_buf, 0), > + vb2_plane_size(&vbuf->vb2_buf, 1), vb2_plane_size(&vbuf->vb2_buf, 2)); > + > + return 0; > +} Delete dummy function. > + > +static void wave5_vpu_dec_buf_queue(struct vb2_buffer *vb) > +{ > + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); > + struct vpu_instance *inst = vb2_get_drv_priv(vb->vb2_queue); > + struct vpu_buffer *vpu_buf = wave5_to_vpu_buf(vbuf); > + > + dev_dbg(inst->dev->dev, "type %4d index %4d size[0] %4ld size[1] : %4ld | size[2] : %4ld\n", > + vb->type, vb->index, vb2_plane_size(&vbuf->vb2_buf, 0), > + vb2_plane_size(&vbuf->vb2_buf, 1), vb2_plane_size(&vbuf->vb2_buf, 2)); > + > + v4l2_m2m_buf_queue(inst->v4l2_fh.m2m_ctx, vbuf); > + > + if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { > + vpu_buf->consumed = FALSE; > + wave5_handle_bitstream_buffer(inst); > + vbuf->sequence = inst->queued_src_buf_num++; > + } > + > + if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { Reverse this if statement. Pull the code in a tab. > + if (inst->state == VPU_INST_STATE_INIT_SEQ) { > + dma_addr_t buf_addr_y = 0, buf_addr_cb = 0, buf_addr_cr = 0; > + u32 buf_size = 0; > + u32 non_linear_num = inst->min_dst_frame_buf_count; > + u32 fb_stride = inst->dst_fmt.width; > + u32 luma_size = fb_stride * inst->dst_fmt.height; > + u32 chroma_size = (fb_stride / 2) * (inst->dst_fmt.height / 2); > + > + if (inst->dst_fmt.num_planes == 1) { > + buf_size = vb2_plane_size(&vbuf->vb2_buf, 0); > + buf_addr_y = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, 0); > + buf_addr_cb = buf_addr_y + luma_size; > + buf_addr_cr = buf_addr_cb + chroma_size; > + } else if (inst->dst_fmt.num_planes == 2) { > + buf_size = vb2_plane_size(&vbuf->vb2_buf, 0) + > + vb2_plane_size(&vbuf->vb2_buf, 1); > + buf_addr_y = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, 0); > + buf_addr_cb = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, 1); > + buf_addr_cr = buf_addr_cb + chroma_size; > + } else if (inst->dst_fmt.num_planes == 3) { > + buf_size = vb2_plane_size(&vbuf->vb2_buf, 0) + > + vb2_plane_size(&vbuf->vb2_buf, 1) + > + vb2_plane_size(&vbuf->vb2_buf, 2); > + buf_addr_y = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, 0); > + buf_addr_cb = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, 1); > + buf_addr_cr = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, 2); > + } > + inst->frame_buf[vb->index + non_linear_num].buf_y = buf_addr_y; > + inst->frame_buf[vb->index + non_linear_num].buf_cb = buf_addr_cb; > + inst->frame_buf[vb->index + non_linear_num].buf_cr = buf_addr_cr; > + inst->frame_buf[vb->index + non_linear_num].size = buf_size; > + inst->frame_buf[vb->index + non_linear_num].width = inst->src_fmt.width; > + inst->frame_buf[vb->index + non_linear_num].stride = fb_stride; > + inst->frame_buf[vb->index + non_linear_num].map_type = LINEAR_FRAME_MAP; > + inst->frame_buf[vb->index + non_linear_num].update_fb_info = TRUE; > + } > + > + if (inst->state == VPU_INST_STATE_PIC_RUN || inst->state == VPU_INST_STATE_STOP || > + inst->state == VPU_INST_STATE_WAIT_BUF) { Break this up like: if (inst->state == VPU_INST_STATE_PIC_RUN || inst->state == VPU_INST_STATE_STOP || inst->state == VPU_INST_STATE_WAIT_BUF) { > + wave5_vpu_dec_clr_disp_flag(inst, vb->index); > + if (inst->state == VPU_INST_STATE_WAIT_BUF) > + inst->state = VPU_INST_STATE_PIC_RUN; > + } > + vbuf->sequence = inst->queued_dst_buf_num++; > + } > +} > + > +static void wave5_vpu_dec_buf_finish(struct vb2_buffer *vb) > +{ > + struct vpu_instance *inst = vb2_get_drv_priv(vb->vb2_queue); > + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); > + > + dev_dbg(inst->dev->dev, "type %4d index : %4d size[0] %4ld size[1] %4ld | size[2] : %4ld\n", > + vb->type, vb->index, vb2_plane_size(&vbuf->vb2_buf, 0), > + vb2_plane_size(&vbuf->vb2_buf, 1), vb2_plane_size(&vbuf->vb2_buf, 2)); > +} Delete. > + > +static void wave5_vpu_dec_buf_cleanup(struct vb2_buffer *vb) > +{ > + struct vpu_instance *inst = vb2_get_drv_priv(vb->vb2_queue); > + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); > + > + dev_dbg(inst->dev->dev, "type %4d index %4d size[0] %4ld size[1] : %4ld | size[2] : %4ld\n", > + vb->type, vb->index, vb2_plane_size(&vbuf->vb2_buf, 0), > + vb2_plane_size(&vbuf->vb2_buf, 1), vb2_plane_size(&vbuf->vb2_buf, 2)); > +} Delete. > + > +static int wave5_vpu_dec_start_streaming(struct vb2_queue *q, unsigned int count) > +{ > + struct vpu_instance *inst = vb2_get_drv_priv(q); > + > + dev_dbg(inst->dev->dev, "type : %d\n", q->type); > + > + if (inst->state == VPU_INST_STATE_OPEN) { Pull this if statement code into a separate function. > + struct dec_initial_info initial_info; > + int ret; Search for "[tab][tab]ret;". Always declare "ret" at the top of a function. > + > + ret = wave5_vpu_dec_issue_seq_init(inst); > + if (ret) > + dev_dbg(inst->dev->dev, "failed wave5_vpu_dec_issue_seq_init %d\n", ret); > + > + if (wave5_vpu_wait_interrupt(inst, VPU_DEC_TIMEOUT) < 0) > + dev_dbg(inst->dev->dev, "failed to call vpu_wait_interrupt()\n"); > + > + ret = wave5_vpu_dec_complete_seq_init(inst, &initial_info); > + if (ret) { > + dev_dbg(inst->dev->dev, "vpu_dec_complete_seq_init: %d, reason : %d\n", > + ret, initial_info.seq_init_err_reason); > + } else { > + static const struct v4l2_event vpu_event_src_ch = { > + .type = V4L2_EVENT_SOURCE_CHANGE, > + .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION, > + }; > + > + dev_dbg(inst->dev->dev, "width %d height %d profile %d | minbuffer : %u\n", > + initial_info.pic_width, initial_info.pic_height, > + initial_info.profile, initial_info.min_frame_buffer_count); > + > + inst->state = VPU_INST_STATE_INIT_SEQ; > + inst->min_dst_frame_buf_count = initial_info.min_frame_buffer_count + 1; > + > + if (initial_info.pic_width != inst->src_fmt.width || > + initial_info.pic_height != inst->src_fmt.height) { > + wave5_update_pix_fmt(&inst->src_fmt, initial_info.pic_width, > + initial_info.pic_height); > + wave5_update_pix_fmt(&inst->dst_fmt, initial_info.pic_width, > + initial_info.pic_height); > + } > + > + v4l2_event_queue_fh(&inst->v4l2_fh, &vpu_event_src_ch); > + } > + } > + > + if (inst->state == VPU_INST_STATE_INIT_SEQ && > + q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { > + int ret; > + u32 non_linear_num = inst->min_dst_frame_buf_count; > + u32 linear_num = inst->min_dst_frame_buf_count; > + u32 stride = inst->dst_fmt.width; > + > + dev_dbg(inst->dev->dev, "stride %d dst height %d\n", stride, inst->dst_fmt.height); > + ret = wave5_vpu_dec_register_frame_buffer_ex(inst, non_linear_num, linear_num, > + stride, inst->dst_fmt.height, > + COMPRESSED_FRAME_MAP); > + if (ret) > + dev_dbg(inst->dev->dev, "fail vpu_dec_register_frame_buffer_ex %d", ret); > + > + inst->state = VPU_INST_STATE_PIC_RUN; > + } > + > + return 0; > +} > + > +static void wave5_vpu_dec_stop_streaming(struct vb2_queue *q) > +{ > + struct vpu_instance *inst = vb2_get_drv_priv(q); > + struct vb2_v4l2_buffer *buf; > + > + dev_dbg(inst->dev->dev, "type : %d\n", q->type); > + > + if (wave5_vpu_both_queues_are_streaming(inst)) > + inst->state = VPU_INST_STATE_STOP; > + > + if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { > + while ((buf = v4l2_m2m_src_buf_remove(inst->v4l2_fh.m2m_ctx))) { > + dev_dbg(inst->dev->dev, "buf type : %4d | index : %4d\n", buf->vb2_buf.type, > + buf->vb2_buf.index); > + v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); > + } > + } else { > + while ((buf = v4l2_m2m_dst_buf_remove(inst->v4l2_fh.m2m_ctx))) { > + u32 plane = 0; Bogus initializer. > + > + dev_dbg(inst->dev->dev, "buf type : %4d | index : %4d\n", buf->vb2_buf.type, > + buf->vb2_buf.index); > + > + for (plane = 0; plane < inst->dst_fmt.num_planes; plane++) > + vb2_set_plane_payload(&buf->vb2_buf, plane, 0); > + > + v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); > + } > + } > +} > + > +static const struct vb2_ops wave5_vpu_dec_vb2_ops = { > + .queue_setup = wave5_vpu_dec_queue_setup, > + .wait_prepare = vb2_ops_wait_prepare, > + .wait_finish = vb2_ops_wait_finish, > + .buf_init = wave5_vpu_dec_buf_init, > + .buf_prepare = wave5_vpu_dec_buf_prepare, > + .buf_queue = wave5_vpu_dec_buf_queue, > + .buf_finish = wave5_vpu_dec_buf_finish, > + .buf_cleanup = wave5_vpu_dec_buf_cleanup, > + .start_streaming = wave5_vpu_dec_start_streaming, > + .stop_streaming = wave5_vpu_dec_stop_streaming, > +}; > + > +static void wave5_set_default_format(struct v4l2_pix_format_mplane *src_fmt, > + struct v4l2_pix_format_mplane *dst_fmt) > +{ > + unsigned int dst_pix_fmt = wave5_vpu_dec_fmt_list[VPU_FMT_TYPE_RAW][0].v4l2_pix_fmt; > + const struct v4l2_format_info *dst_fmt_info = v4l2_format_info(dst_pix_fmt); > + > + src_fmt->pixelformat = wave5_vpu_dec_fmt_list[VPU_FMT_TYPE_CODEC][0].v4l2_pix_fmt; > + src_fmt->field = V4L2_FIELD_NONE; > + src_fmt->flags = 0; > + src_fmt->num_planes = 1; > + wave5_update_pix_fmt(src_fmt, 720, 480); > + > + dst_fmt->pixelformat = dst_pix_fmt; > + dst_fmt->field = V4L2_FIELD_NONE; > + dst_fmt->flags = 0; > + dst_fmt->num_planes = dst_fmt_info->mem_planes; > + wave5_update_pix_fmt(dst_fmt, 736, 480); > +} > + > +static int wave5_vpu_dec_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq) > +{ > + struct vpu_instance *inst = priv; > + int ret; > + > + dev_dbg(inst->dev->dev, "\n"); Delete. > + > + src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; > + src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; > + src_vq->mem_ops = &vb2_dma_contig_memops; > + src_vq->ops = &wave5_vpu_dec_vb2_ops; > + src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; > + src_vq->buf_struct_size = sizeof(struct vpu_buffer); > + src_vq->allow_zero_bytesused = 1; > + src_vq->min_buffers_needed = 0; > + src_vq->drv_priv = inst; > + src_vq->lock = &inst->dev->dev_lock; > + src_vq->dev = inst->dev->v4l2_dev.dev; > + ret = vb2_queue_init(src_vq); > + if (ret) > + return ret; > + > + dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; > + dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; > + dst_vq->mem_ops = &vb2_dma_contig_memops; > + dst_vq->ops = &wave5_vpu_dec_vb2_ops; > + dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; > + dst_vq->buf_struct_size = sizeof(struct vpu_buffer); > + dst_vq->allow_zero_bytesused = 1; > + dst_vq->min_buffers_needed = 0; > + dst_vq->drv_priv = inst; > + dst_vq->lock = &inst->dev->dev_lock; > + dst_vq->dev = inst->dev->v4l2_dev.dev; > + ret = vb2_queue_init(dst_vq); > + if (ret) > + return ret; > + > + return 0; > +} > + > +static const struct vpu_instance_ops wave5_vpu_dec_inst_ops = { > + .start_process = wave5_vpu_dec_start_decode, > + .stop_process = wave5_vpu_dec_stop_decode, > + .finish_process = wave5_vpu_dec_finish_decode, > +}; > + > +static int wave5_vpu_open_dec(struct file *filp) > +{ > + struct video_device *vdev = video_devdata(filp); > + struct vpu_device *dev = video_drvdata(filp); > + struct vpu_instance *inst = NULL; > + struct v4l2_ctrl *ctrl; > + > + inst = kzalloc(sizeof(*inst), GFP_KERNEL); > + if (!inst) > + return -ENOMEM; > + > + inst->dev = dev; > + inst->type = VPU_INST_TYPE_DEC; > + inst->ops = &wave5_vpu_dec_inst_ops; > + > + spin_lock_init(&inst->bitstream_lock); > + > + v4l2_fh_init(&inst->v4l2_fh, vdev); > + filp->private_data = &inst->v4l2_fh; > + v4l2_fh_add(&inst->v4l2_fh); > + > + inst->v4l2_fh.m2m_ctx = v4l2_m2m_ctx_init(dev->v4l2_m2m_dev, inst, wave5_vpu_dec_queue_init); > + if (IS_ERR(inst->v4l2_fh.m2m_ctx)) > + return -ENODEV; kfree(inst); > + > + v4l2_ctrl_handler_init(&inst->v4l2_ctrl_hdl, 10); > + v4l2_ctrl_new_custom(&inst->v4l2_ctrl_hdl, &wave5_vpu_thumbnail_mode, NULL); > + ctrl = v4l2_ctrl_new_std(&inst->v4l2_ctrl_hdl, &wave5_vpu_dec_ctrl_ops, > + V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 1, 32, 1, 1); > + if (ctrl) > + ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE; > + > + if (inst->v4l2_ctrl_hdl.error) > + return -ENODEV; Error handling. Cleanup. > + > + inst->v4l2_fh.ctrl_handler = &inst->v4l2_ctrl_hdl; > + v4l2_ctrl_handler_setup(&inst->v4l2_ctrl_hdl); > + > + wave5_set_default_format(&inst->src_fmt, &inst->dst_fmt); > + inst->colorspace = V4L2_COLORSPACE_REC709; > + inst->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; > + inst->hsv_enc = 0; > + inst->quantization = V4L2_QUANTIZATION_DEFAULT; > + inst->xfer_func = V4L2_XFER_FUNC_DEFAULT; > + > + return 0; > +} > + > +static int wave5_vpu_dec_release(struct file *filp) > +{ > + int i; > + struct vpu_instance *inst = wave5_to_vpu_inst(filp->private_data); > + unsigned int loop_count = 0; > + > + v4l2_m2m_ctx_release(inst->v4l2_fh.m2m_ctx); > + if (inst->state != VPU_INST_STATE_NONE) { > + u32 fail_res = 0; No need to initialize this. > + > + wave5_vpu_dec_close(inst, &fail_res); > + while (fail_res == WAVE5_SYSERR_VPU_STILL_RUNNING) { > + if (wave5_vpu_wait_interrupt(inst, VPU_DEC_TIMEOUT) < 0) { > + dev_dbg(inst->dev->dev, "failed to call vpu_wait_interrupt()\n"); > + if (loop_count < 10) { > + loop_count++; > + continue; > + } else { > + dev_dbg(inst->dev->dev, "failed wave5_vpu_dec_close()\n"); This should be a warning. > + break; > + } > + } else { > + break; > + } > + fail_res = 0; > + wave5_vpu_dec_close(inst, &fail_res); Heh... This is dead code. At this point we've either hit a break or a continue so the condition "fail_res == WAVE5_SYSERR_VPU_STILL_RUNNING" is always true. The loop counter seems like a work around for this forever loop bug. > + } > + } You could write it like this? u32 fail_res; int retry_count = 10; int i; if (inst->state != VPU_INST_STATE_NONE) { for (i = 0; i < retry_count; i++) { wave5_vpu_dec_close(inst, &fail_res); if (fail_res != WAVE5_SYSERR_VPU_STILL_RUNNING) break; if (wave5_vpu_wait_interrupt(inst, VPU_DEC_TIMEOUT)) break; } if (fail_res == WAVE5_SYSERR_VPU_STILL_RUNNING) dev_warn(inst->dev->dev, "failed wave5_vpu_dec_close()\n"); } > + for (i = 0; i < inst->min_dst_frame_buf_count; i++) { > + if (inst->frame_vbuf[i].size != 0) > + wave5_vdi_free_dma_memory(inst->dev, &inst->frame_vbuf[i]); No need for this if condition. Freeing size zero is allowed. for (i = 0; i < inst->min_dst_frame_buf_count; i++) wave5_vdi_free_dma_memory(inst->dev, &inst->frame_vbuf[i]); > + } > + if (inst->bitstream_vbuf.size != 0) No need. > + wave5_vdi_free_dma_memory(inst->dev, &inst->bitstream_vbuf); > + v4l2_ctrl_handler_free(&inst->v4l2_ctrl_hdl); > + v4l2_fh_del(&inst->v4l2_fh); > + v4l2_fh_exit(&inst->v4l2_fh); > + kfree(inst); > + > + return 0; > +} > + > +static const struct v4l2_file_operations wave5_vpu_dec_fops = { > + .owner = THIS_MODULE, > + .open = wave5_vpu_open_dec, > + .release = wave5_vpu_dec_release, > + .unlocked_ioctl = video_ioctl2, > + .poll = v4l2_m2m_fop_poll, > + .mmap = v4l2_m2m_fop_mmap, > +}; > + > +int wave5_vpu_dec_register_device(struct vpu_device *dev) > +{ > + struct video_device *vdev_dec; > + int ret; > + > + vdev_dec = devm_kzalloc(dev->v4l2_dev.dev, sizeof(*vdev_dec), GFP_KERNEL); > + if (!vdev_dec) > + return -ENOMEM; > + > + dev->video_dev_dec = vdev_dec; > + > + strscpy(vdev_dec->name, VPU_DEC_DEV_NAME, sizeof(vdev_dec->name)); > + vdev_dec->fops = &wave5_vpu_dec_fops; > + vdev_dec->ioctl_ops = &wave5_vpu_dec_ioctl_ops; > + vdev_dec->release = video_device_release_empty; > + vdev_dec->v4l2_dev = &dev->v4l2_dev; > + vdev_dec->vfl_dir = VFL_DIR_M2M; > + vdev_dec->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; > + vdev_dec->lock = &dev->dev_lock; > + > + ret = video_register_device(vdev_dec, VFL_TYPE_VIDEO, -1); > + if (ret) > + return ret; > + > + video_set_drvdata(vdev_dec, dev); > + > + return 0; > +} > + > +void wave5_vpu_dec_unregister_device(struct vpu_device *dev) > +{ > + video_unregister_device(dev->video_dev_dec); > +} > + > diff --git a/drivers/staging/media/wave5/vpu_enc.c b/drivers/staging/media/wave5/vpu_enc.c > new file mode 100644 > index 000000000000..b4b695a7da0a > --- /dev/null > +++ b/drivers/staging/media/wave5/vpu_enc.c > @@ -0,0 +1,1585 @@ > +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) > +/* > + * Wave5 series multi-standard codec IP - encoder interface > + * > + * Copyright (C) 2021 CHIPS&MEDIA INC > + */ > +#include "vpu.h" > +#define VPU_ENC_DEV_NAME "C&M VPU encoder" > +#define VPU_ENC_DRV_NAME "vpu-enc" > + > +static const struct vpu_format wave5_vpu_enc_fmt_list[2][6] = { > + [VPU_FMT_TYPE_CODEC] = { > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_HEVC, > + .max_width = 8192, > + .min_width = 8, > + .max_height = 8192, > + .min_height = 8, > + }, > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_H264, > + .max_width = 8192, > + .min_width = 32, > + .max_height = 8192, > + .min_height = 32, > + }, > + }, > + [VPU_FMT_TYPE_RAW] = { > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_YUV420, > + .max_width = 8192, > + .min_width = 8, > + .max_height = 8192, > + .min_height = 8, > + }, > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_NV12, > + .max_width = 8192, > + .min_width = 8, > + .max_height = 8192, > + .min_height = 8, > + }, > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_NV21, > + .max_width = 8192, > + .min_width = 8, > + .max_height = 8192, > + .min_height = 8, > + }, > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_YUV420M, > + .max_width = 8192, > + .min_width = 8, > + .max_height = 8192, > + .min_height = 8, > + }, > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_NV12M, > + .max_width = 8192, > + .min_width = 8, > + .max_height = 8192, > + .min_height = 8, > + }, > + { > + .v4l2_pix_fmt = V4L2_PIX_FMT_NV21M, > + .max_width = 8192, > + .min_width = 8, > + .max_height = 8192, > + .min_height = 8, > + }, > + } > +}; > + > +static enum wave_std wave5_to_vpu_wavestd(unsigned int v4l2_pix_fmt) > +{ > + switch (v4l2_pix_fmt) { > + case V4L2_PIX_FMT_H264: > + return W_AVC_ENC; > + case V4L2_PIX_FMT_HEVC: > + return W_HEVC_ENC; > + default: > + return STD_UNKNOWN; > + } > +} > + > +static const struct vpu_format *wave5_find_vpu_format(unsigned int v4l2_pix_fmt, enum vpu_fmt_type type) > +{ > + unsigned int index; > + > + for (index = 0; index < ARRAY_SIZE(wave5_vpu_enc_fmt_list[type]); index++) { > + if (wave5_vpu_enc_fmt_list[type][index].v4l2_pix_fmt == v4l2_pix_fmt) > + return &wave5_vpu_enc_fmt_list[type][index]; > + } > + > + return NULL; > +} > + > +static const struct vpu_format *wave5_find_vpu_fmt_by_idx(unsigned int idx, enum vpu_fmt_type type) > +{ > + if (idx >= ARRAY_SIZE(wave5_vpu_enc_fmt_list[type])) > + return NULL; > + > + if (!wave5_vpu_enc_fmt_list[type][idx].v4l2_pix_fmt) > + return NULL; > + > + return &wave5_vpu_enc_fmt_list[type][idx]; > +} > + > +static struct vb2_v4l2_buffer *wave5_get_valid_src_buf(struct vpu_instance *inst) > +{ > + struct vb2_v4l2_buffer *vb2_v4l2_buf = NULL; > + struct v4l2_m2m_buffer *v4l2_m2m_buf = NULL; > + struct vpu_buffer *vpu_buf = NULL; > + bool no_src_buf = TRUE; Don't put "no" in a variable name. The double negatives make my brain ache. "Not found equals false" ???!? bool src_buf = false; Even better just delete the variable all together and introduce direct returns. See below: > + > + v4l2_m2m_for_each_src_buf(inst->v4l2_fh.m2m_ctx, v4l2_m2m_buf) { > + vb2_v4l2_buf = &v4l2_m2m_buf->vb; > + vpu_buf = wave5_to_vpu_buf(vb2_v4l2_buf); > + > + if (!vpu_buf->consumed) { > + dev_dbg(inst->dev->dev, "no consumed src idx : %d\n", > + vb2_v4l2_buf->vb2_buf.index); > + no_src_buf = FALSE; > + break; > + } > + } > + > + if (no_src_buf) > + vb2_v4l2_buf = NULL; > + > + return vb2_v4l2_buf; > +} You could write it like so: static struct vb2_v4l2_buffer *wave5_get_valid_src_buf(struct vpu_instance *inst) { struct v4l2_m2m_buffer *v4l2_m2m; struct vb2_v4l2_buffer *vb; struct vpu_buffer *vpu; v4l2_m2m_for_each_src_buf(inst->v4l2_fh.m2m_ctx, v4l2_m2m) { vb = &v4l2_m2m->vb; vpu = wave5_to_vpu_buf(vb); if (!vpu->consumed) return vb; } return NULL; } > + > +static struct vb2_v4l2_buffer *wave5_get_valid_dst_buf(struct vpu_instance *inst) > +{ > + struct vb2_v4l2_buffer *vb2_v4l2_buf = NULL; > + struct v4l2_m2m_buffer *v4l2_m2m_buf = NULL; > + struct vpu_buffer *vpu_buf = NULL; > + bool no_dst_buf = TRUE; Same comments. > + > + v4l2_m2m_for_each_dst_buf(inst->v4l2_fh.m2m_ctx, v4l2_m2m_buf) { > + vb2_v4l2_buf = &v4l2_m2m_buf->vb; > + vpu_buf = wave5_to_vpu_buf(vb2_v4l2_buf); > + > + if (!vpu_buf->consumed) { > + dev_dbg(inst->dev->dev, "no consumed dst idx : %d\n", > + vb2_v4l2_buf->vb2_buf.index); > + no_dst_buf = FALSE; > + break; > + } > + } > + > + if (no_dst_buf) > + vb2_v4l2_buf = NULL; > + > + return vb2_v4l2_buf; > +} > + > +static void wave5_update_pix_fmt(struct v4l2_pix_format_mplane *pix_mp, unsigned int width, > + unsigned int height) > +{ > + switch (pix_mp->pixelformat) { > + case V4L2_PIX_FMT_YUV420: > + case V4L2_PIX_FMT_NV12: > + case V4L2_PIX_FMT_NV21: > + pix_mp->width = round_up(width, 32); > + pix_mp->height = height; > + pix_mp->plane_fmt[0].bytesperline = round_up(width, 32); > + pix_mp->plane_fmt[0].sizeimage = round_up(width, 32) * height * 3 / 2; > + memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved)); > + break; > + case V4L2_PIX_FMT_YUV420M: > + pix_mp->width = round_up(width, 32); > + pix_mp->height = height; > + pix_mp->plane_fmt[0].bytesperline = round_up(width, 32); > + pix_mp->plane_fmt[0].sizeimage = round_up(width, 32) * height; > + memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved)); > + pix_mp->plane_fmt[1].bytesperline = round_up(width, 32) / 2; > + pix_mp->plane_fmt[1].sizeimage = round_up(width, 32) * height / 4; > + memset(&pix_mp->plane_fmt[1].reserved, 0, sizeof(pix_mp->plane_fmt[1].reserved)); > + pix_mp->plane_fmt[2].bytesperline = round_up(width, 32) / 2; > + pix_mp->plane_fmt[2].sizeimage = round_up(width, 32) * height / 4; > + memset(&pix_mp->plane_fmt[2].reserved, 0, sizeof(pix_mp->plane_fmt[2].reserved)); > + break; > + case V4L2_PIX_FMT_NV12M: > + case V4L2_PIX_FMT_NV21M: > + pix_mp->width = round_up(width, 32); > + pix_mp->height = height; > + pix_mp->plane_fmt[0].bytesperline = round_up(width, 32); > + pix_mp->plane_fmt[0].sizeimage = round_up(width, 32) * height; > + memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved)); > + pix_mp->plane_fmt[1].bytesperline = round_up(width, 32); > + pix_mp->plane_fmt[1].sizeimage = round_up(width, 32) * height / 2; > + memset(&pix_mp->plane_fmt[1].reserved, 0, sizeof(pix_mp->plane_fmt[1].reserved)); > + break; > + default: > + pix_mp->width = round_up(width, 32); > + pix_mp->height = height; > + pix_mp->plane_fmt[0].bytesperline = 0; > + pix_mp->plane_fmt[0].sizeimage = round_up(width, 32) * height; > + memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved)); > + break; > + } > +} > + > +static void wave5_vpu_enc_start_encode(struct vpu_instance *inst) > +{ > + int ret; > + struct queue_status_info q_status; > + u32 remain_cmd_q, max_cmd_q = 0; > + > + wave5_vpu_enc_give_command(inst, ENC_GET_QUEUE_STATUS, &q_status); > + dev_dbg(inst->dev->dev, "min_src_buf_cnt %d | default : %d | qcount : %d | report_q : %d\n", > + inst->min_src_frame_buf_count, COMMAND_QUEUE_DEPTH, q_status.instance_queue_count, > + q_status.report_queue_count); > + > + max_cmd_q = (inst->min_src_frame_buf_count < COMMAND_QUEUE_DEPTH) ? > + inst->min_src_frame_buf_count : COMMAND_QUEUE_DEPTH; > + remain_cmd_q = max_cmd_q - q_status.instance_queue_count; > + > + while (remain_cmd_q) { > + struct vb2_v4l2_buffer *src_buf; > + struct vb2_v4l2_buffer *dst_buf; > + struct vpu_buffer *src_vbuf; > + struct vpu_buffer *dst_vbuf; > + struct frame_buffer frame_buf; > + struct enc_param pic_param; > + u32 luma_size = (inst->dst_fmt.width * inst->dst_fmt.height); > + u32 chroma_size = ((inst->dst_fmt.width / 2) * (inst->dst_fmt.height / 2)); > + u32 fail_res; > + > + memset(&pic_param, 0, sizeof(struct enc_param)); > + > + src_buf = wave5_get_valid_src_buf(inst); > + dst_buf = wave5_get_valid_dst_buf(inst); > + > + if (!src_buf || !dst_buf) { > + dev_dbg(inst->dev->dev, "no valid src/dst buf\n"); > + break; > + } > + > + src_vbuf = wave5_to_vpu_buf(src_buf); > + dst_vbuf = wave5_to_vpu_buf(dst_buf); > + > + if (inst->src_fmt.num_planes == 1) { > + frame_buf.buf_y = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0); > + frame_buf.buf_cb = frame_buf.buf_y + luma_size; > + frame_buf.buf_cr = frame_buf.buf_cb + chroma_size; > + } else if (inst->src_fmt.num_planes == 2) { > + frame_buf.buf_y = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0); > + frame_buf.buf_cb = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 1); > + frame_buf.buf_cr = frame_buf.buf_cb + chroma_size; > + } else if (inst->src_fmt.num_planes == 3) { > + frame_buf.buf_y = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0); > + frame_buf.buf_cb = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 1); > + frame_buf.buf_cr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 2); > + } > + frame_buf.stride = inst->dst_fmt.width; > + frame_buf.cbcr_interleave = 0; > + > + dev_dbg(inst->dev->dev, "encoding src sequence : %d | dst sequence : %d\n", > + src_buf->sequence, dst_buf->sequence); > + > + pic_param.src_idx = src_buf->vb2_buf.index; > + pic_param.source_frame = &frame_buf; > + pic_param.pic_stream_buffer_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, > + 0); > + pic_param.pic_stream_buffer_size = vb2_plane_size(&dst_buf->vb2_buf, 0); > + pic_param.code_option.implicit_header_encode = 1; > + > + ret = wave5_vpu_enc_start_one_frame(inst, &pic_param, &fail_res); > + if (ret) { > + if (fail_res != WAVE5_SYSERR_QUEUEING_FAIL) { > + src_buf = v4l2_m2m_src_buf_remove(inst->v4l2_fh.m2m_ctx); > + dst_buf = v4l2_m2m_dst_buf_remove(inst->v4l2_fh.m2m_ctx); > + dev_dbg(inst->dev->dev, "fail wave5_vpu_enc_start_one_frame() %d\n", > + ret); > + inst->state = VPU_INST_STATE_STOP; > + v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR); > + v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR); > + } > + } else { > + dev_dbg(inst->dev->dev, "success wave5_vpu_enc_start_one_frame()\n"); > + src_vbuf->consumed = TRUE; > + dst_vbuf->consumed = TRUE; > + } > + > + remain_cmd_q--; > + } > +} > + > +static void wave5_vpu_enc_stop_encode(struct vpu_instance *inst) > +{ > + struct queue_status_info q_status; > + > + inst->state = VPU_INST_STATE_STOP; > + > + wave5_vpu_enc_give_command(inst, ENC_GET_QUEUE_STATUS, &q_status); > + > + if (q_status.report_queue_count + q_status.instance_queue_count == 0) > + v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, inst->v4l2_fh.m2m_ctx); > +} > + > +static void wave5_vpu_enc_finish_encode(struct vpu_instance *inst) > +{ > + int ret; > + struct enc_output_info enc_output_info; > + int irq_status; > + > + if (kfifo_out(&inst->dev->irq_status, &irq_status, sizeof(int))) > + wave5_vpu_clear_interrupt_ex(inst, irq_status); > + > + ret = wave5_vpu_enc_get_output_info(inst, &enc_output_info); > + if (ret) { > + dev_dbg(inst->dev->dev, "vpu_enc_get_output_info fail %d reason: %d | info : %d\n", > + ret, enc_output_info.error_reason, enc_output_info.warn_info); > + } else { > + struct vb2_v4l2_buffer *dst_buf = NULL; > + struct v4l2_m2m_buffer *v4l2_m2m_buf = NULL; > + > + v4l2_m2m_buf = NULL; > + v4l2_m2m_for_each_dst_buf(inst->v4l2_fh.m2m_ctx, v4l2_m2m_buf) { > + dst_buf = &v4l2_m2m_buf->vb; > + if (enc_output_info.bitstream_buffer == > + vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0)) > + break; > + } > + > + if (enc_output_info.enc_src_idx >= 0) { > + struct vb2_v4l2_buffer *src_buf = > + v4l2_m2m_src_buf_remove_by_idx(inst->v4l2_fh.m2m_ctx, > + enc_output_info.enc_src_idx); > + > + inst->timestamp = src_buf->vb2_buf.timestamp; > + v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE); > + } > + > + if (enc_output_info.recon_frame_index == RECON_IDX_FLAG_ENC_END) { > + static const struct v4l2_event vpu_event_eos = { > + .type = V4L2_EVENT_EOS > + }; > + > + dst_buf->flags |= V4L2_BUF_FLAG_LAST; > + vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0); > + > + inst->state = VPU_INST_STATE_STOP; > + v4l2_event_queue_fh(&inst->v4l2_fh, &vpu_event_eos); > + } else { > + vb2_set_plane_payload(&dst_buf->vb2_buf, 0, enc_output_info.bitstream_size); > + > + dst_buf->vb2_buf.timestamp = inst->timestamp; > + dst_buf->field = V4L2_FIELD_NONE; > + if (enc_output_info.pic_type == PIC_TYPE_I) { > + if (enc_output_info.enc_vcl_nut == 19 || > + enc_output_info.enc_vcl_nut == 20) > + dst_buf->flags |= V4L2_BUF_FLAG_KEYFRAME; > + else > + dst_buf->flags |= V4L2_BUF_FLAG_PFRAME; > + } else if (enc_output_info.pic_type == PIC_TYPE_P) { > + dst_buf->flags |= V4L2_BUF_FLAG_PFRAME; > + } else if (enc_output_info.pic_type == PIC_TYPE_B) { > + dst_buf->flags |= V4L2_BUF_FLAG_BFRAME; > + } > + } > + > + v4l2_m2m_dst_buf_remove_by_buf(inst->v4l2_fh.m2m_ctx, dst_buf); > + v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE); > + } > + > + if (inst->state == VPU_INST_STATE_STOP) { > + struct queue_status_info q_status; > + > + wave5_vpu_enc_give_command(inst, ENC_GET_QUEUE_STATUS, &q_status); > + dev_dbg(inst->dev->dev, "default : %d | qcount : %d | report_q : %d\n", > + COMMAND_QUEUE_DEPTH, q_status.instance_queue_count, > + q_status.report_queue_count); > + > + if (q_status.report_queue_count + q_status.instance_queue_count == 0) > + v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, inst->v4l2_fh.m2m_ctx); > + } else { > + v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, inst->v4l2_fh.m2m_ctx); > + } > +} > + > +static int wave5_vpu_enc_querycap(struct file *file, void *fh, struct v4l2_capability *cap) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + > + dev_dbg(inst->dev->dev, "\n"); Delete. > + > + strscpy(cap->driver, VPU_ENC_DRV_NAME, sizeof(cap->driver)); > + strscpy(cap->card, VPU_ENC_DRV_NAME, sizeof(cap->card)); > + strscpy(cap->bus_info, "platform:" VPU_ENC_DRV_NAME, sizeof(cap->bus_info)); > + > + return 0; > +} > + > +static int wave5_vpu_enc_enum_framesizes(struct file *f, void *fh, struct v4l2_frmsizeenum *fsize) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + const struct vpu_format *vpu_fmt; > + > + dev_dbg(inst->dev->dev, "\n"); Delete. > + > + if (fsize->index) > + return -EINVAL; > + > + vpu_fmt = wave5_find_vpu_format(fsize->pixel_format, VPU_FMT_TYPE_CODEC); > + if (!vpu_fmt) { > + vpu_fmt = wave5_find_vpu_format(fsize->pixel_format, VPU_FMT_TYPE_RAW); > + if (!vpu_fmt) > + return -EINVAL; > + } > + > + fsize->type = V4L2_FRMSIZE_TYPE_CONTINUOUS; > + fsize->stepwise.min_width = vpu_fmt->min_width; > + fsize->stepwise.max_width = vpu_fmt->max_width; > + fsize->stepwise.step_width = 1; > + fsize->stepwise.min_height = vpu_fmt->min_height; > + fsize->stepwise.max_height = vpu_fmt->max_height; > + fsize->stepwise.step_height = 1; > + > + return 0; > +} > + > +static int wave5_vpu_enc_enum_fmt_cap(struct file *file, void *fh, struct v4l2_fmtdesc *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + const struct vpu_format *vpu_fmt; > + > + dev_dbg(inst->dev->dev, "index : %d\n", f->index); > + > + vpu_fmt = wave5_find_vpu_fmt_by_idx(f->index, VPU_FMT_TYPE_CODEC); > + if (!vpu_fmt) > + return -EINVAL; > + > + f->pixelformat = vpu_fmt->v4l2_pix_fmt; > + f->flags = 0; > + > + return 0; > +} > + > +static int wave5_vpu_enc_try_fmt_cap(struct file *file, void *fh, struct v4l2_format *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + const struct vpu_format *vpu_fmt; > + > + dev_dbg(inst->dev->dev, "fourcc: %d width %d height %d num_planes %d field : %d\n", > + f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height, > + f->fmt.pix_mp.num_planes, f->fmt.pix_mp.field); > + > + if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) > + return -EINVAL; > + > + vpu_fmt = wave5_find_vpu_format(f->fmt.pix_mp.pixelformat, VPU_FMT_TYPE_CODEC); > + if (!vpu_fmt) { > + f->fmt.pix_mp.pixelformat = inst->dst_fmt.pixelformat; > + f->fmt.pix_mp.num_planes = inst->dst_fmt.num_planes; > + wave5_update_pix_fmt(&f->fmt.pix_mp, inst->dst_fmt.width, inst->dst_fmt.height); > + } else { > + int width = clamp(f->fmt.pix_mp.width, vpu_fmt->min_width, vpu_fmt->max_width); > + int height = clamp(f->fmt.pix_mp.height, vpu_fmt->min_height, vpu_fmt->max_height); > + > + f->fmt.pix_mp.pixelformat = vpu_fmt->v4l2_pix_fmt; > + f->fmt.pix_mp.num_planes = 1; > + wave5_update_pix_fmt(&f->fmt.pix_mp, width, height); > + } > + > + f->fmt.pix_mp.flags = 0; > + f->fmt.pix_mp.field = V4L2_FIELD_NONE; > + f->fmt.pix_mp.colorspace = inst->colorspace; > + f->fmt.pix_mp.ycbcr_enc = inst->ycbcr_enc; > + f->fmt.pix_mp.hsv_enc = inst->hsv_enc; > + f->fmt.pix_mp.quantization = inst->quantization; > + f->fmt.pix_mp.xfer_func = inst->xfer_func; > + memset(&f->fmt.pix_mp.reserved, 0, sizeof(f->fmt.pix_mp.reserved)); > + > + return 0; > +} > + > +static int wave5_vpu_enc_s_fmt_cap(struct file *file, void *fh, struct v4l2_format *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + int i, ret; > + > + dev_dbg(inst->dev->dev, "4cc %d width %d height %d num_planes %d field %d\n", > + f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height, > + f->fmt.pix_mp.num_planes, f->fmt.pix_mp.field); > + > + ret = wave5_vpu_enc_try_fmt_cap(file, fh, f); > + if (ret) > + return ret; > + > + inst->dst_fmt.width = f->fmt.pix_mp.width; > + inst->dst_fmt.height = f->fmt.pix_mp.height; > + inst->dst_fmt.pixelformat = f->fmt.pix_mp.pixelformat; > + inst->dst_fmt.field = f->fmt.pix_mp.field; > + inst->dst_fmt.flags = f->fmt.pix_mp.flags; > + inst->dst_fmt.num_planes = f->fmt.pix_mp.num_planes; > + for (i = 0; i < inst->dst_fmt.num_planes; i++) { > + inst->dst_fmt.plane_fmt[i].bytesperline = f->fmt.pix_mp.plane_fmt[i].bytesperline; > + inst->dst_fmt.plane_fmt[i].sizeimage = f->fmt.pix_mp.plane_fmt[i].sizeimage; > + } > + > + return 0; > +} > + > +static int wave5_vpu_enc_g_fmt_cap(struct file *file, void *fh, struct v4l2_format *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + int i; > + > + dev_dbg(inst->dev->dev, "\n"); Delete. > + > + f->fmt.pix_mp.width = inst->dst_fmt.width; > + f->fmt.pix_mp.height = inst->dst_fmt.height; > + f->fmt.pix_mp.pixelformat = inst->dst_fmt.pixelformat; > + f->fmt.pix_mp.field = inst->dst_fmt.field; > + f->fmt.pix_mp.flags = inst->dst_fmt.flags; > + f->fmt.pix_mp.num_planes = inst->dst_fmt.num_planes; > + for (i = 0; i < f->fmt.pix_mp.num_planes; i++) { > + f->fmt.pix_mp.plane_fmt[i].bytesperline = inst->dst_fmt.plane_fmt[i].bytesperline; > + f->fmt.pix_mp.plane_fmt[i].sizeimage = inst->dst_fmt.plane_fmt[i].sizeimage; > + } > + > + f->fmt.pix_mp.colorspace = inst->colorspace; > + f->fmt.pix_mp.ycbcr_enc = inst->ycbcr_enc; > + f->fmt.pix_mp.hsv_enc = inst->hsv_enc; > + f->fmt.pix_mp.quantization = inst->quantization; > + f->fmt.pix_mp.xfer_func = inst->xfer_func; > + > + return 0; > +} > + > +static int wave5_vpu_enc_enum_fmt_out(struct file *file, void *fh, struct v4l2_fmtdesc *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + const struct vpu_format *vpu_fmt; > + > + dev_dbg(inst->dev->dev, "index : %d\n", f->index); > + > + vpu_fmt = wave5_find_vpu_fmt_by_idx(f->index, VPU_FMT_TYPE_RAW); > + if (!vpu_fmt) > + return -EINVAL; > + > + f->pixelformat = vpu_fmt->v4l2_pix_fmt; > + f->flags = 0; > + > + return 0; > +} > + > +static int wave5_vpu_enc_try_fmt_out(struct file *file, void *fh, struct v4l2_format *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + const struct vpu_format *vpu_fmt; > + > + dev_dbg(inst->dev->dev, "4cc %d width %d height %d num_planes %d field %d\n", > + f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height, > + f->fmt.pix_mp.num_planes, f->fmt.pix_mp.field); > + > + if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) > + return -EINVAL; > + > + vpu_fmt = wave5_find_vpu_format(f->fmt.pix_mp.pixelformat, VPU_FMT_TYPE_RAW); > + if (!vpu_fmt) { > + f->fmt.pix_mp.pixelformat = inst->src_fmt.pixelformat; > + f->fmt.pix_mp.num_planes = inst->src_fmt.num_planes; > + wave5_update_pix_fmt(&f->fmt.pix_mp, inst->src_fmt.width, inst->src_fmt.height); > + } else { > + int width = clamp(f->fmt.pix_mp.width, vpu_fmt->min_width, vpu_fmt->max_width); > + int height = clamp(f->fmt.pix_mp.height, vpu_fmt->min_height, vpu_fmt->max_height); > + const struct v4l2_format_info *info = v4l2_format_info(vpu_fmt->v4l2_pix_fmt); > + > + f->fmt.pix_mp.pixelformat = vpu_fmt->v4l2_pix_fmt; > + f->fmt.pix_mp.num_planes = info->mem_planes; > + wave5_update_pix_fmt(&f->fmt.pix_mp, width, height); > + } > + > + f->fmt.pix_mp.flags = 0; > + f->fmt.pix_mp.field = V4L2_FIELD_NONE; > + memset(&f->fmt.pix_mp.reserved, 0, sizeof(f->fmt.pix_mp.reserved)); > + > + return 0; > +} > + > +static int wave5_vpu_enc_s_fmt_out(struct file *file, void *fh, struct v4l2_format *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + int i, ret; > + > + dev_dbg(inst->dev->dev, "4cc %d width %d height %d num_planes %d field : %d\n", > + f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height, > + f->fmt.pix_mp.num_planes, f->fmt.pix_mp.field); > + > + ret = wave5_vpu_enc_try_fmt_out(file, fh, f); > + if (ret) > + return ret; > + > + inst->src_fmt.width = f->fmt.pix_mp.width; > + inst->src_fmt.height = f->fmt.pix_mp.height; > + inst->src_fmt.pixelformat = f->fmt.pix_mp.pixelformat; > + inst->src_fmt.field = f->fmt.pix_mp.field; > + inst->src_fmt.flags = f->fmt.pix_mp.flags; > + inst->src_fmt.num_planes = f->fmt.pix_mp.num_planes; > + for (i = 0; i < inst->src_fmt.num_planes; i++) { > + inst->src_fmt.plane_fmt[i].bytesperline = f->fmt.pix_mp.plane_fmt[i].bytesperline; > + inst->src_fmt.plane_fmt[i].sizeimage = f->fmt.pix_mp.plane_fmt[i].sizeimage; > + } > + > + inst->colorspace = f->fmt.pix_mp.colorspace; > + inst->ycbcr_enc = f->fmt.pix_mp.ycbcr_enc; > + inst->hsv_enc = f->fmt.pix_mp.hsv_enc; > + inst->quantization = f->fmt.pix_mp.quantization; > + inst->xfer_func = f->fmt.pix_mp.xfer_func; > + > + wave5_update_pix_fmt(&inst->dst_fmt, f->fmt.pix_mp.width, f->fmt.pix_mp.height); > + > + return 0; > +} > + > +static int wave5_vpu_enc_g_fmt_out(struct file *file, void *fh, struct v4l2_format *f) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + int i; > + > + dev_dbg(inst->dev->dev, "\n"); Delete. > + > + f->fmt.pix_mp.width = inst->src_fmt.width; > + f->fmt.pix_mp.height = inst->src_fmt.height; > + f->fmt.pix_mp.pixelformat = inst->src_fmt.pixelformat; > + f->fmt.pix_mp.field = inst->src_fmt.field; > + f->fmt.pix_mp.flags = inst->src_fmt.flags; > + f->fmt.pix_mp.num_planes = inst->src_fmt.num_planes; > + for (i = 0; i < f->fmt.pix_mp.num_planes; i++) { > + f->fmt.pix_mp.plane_fmt[i].bytesperline = inst->src_fmt.plane_fmt[i].bytesperline; > + f->fmt.pix_mp.plane_fmt[i].sizeimage = inst->src_fmt.plane_fmt[i].sizeimage; > + } > + > + f->fmt.pix_mp.colorspace = inst->colorspace; > + f->fmt.pix_mp.ycbcr_enc = inst->ycbcr_enc; > + f->fmt.pix_mp.hsv_enc = inst->hsv_enc; > + f->fmt.pix_mp.quantization = inst->quantization; > + f->fmt.pix_mp.xfer_func = inst->xfer_func; > + > + return 0; > +} > + > +static int wave5_vpu_enc_g_selection(struct file *file, void *fh, struct v4l2_selection *s) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + > + dev_dbg(inst->dev->dev, "type : %d | target : %d\n", s->type, s->target); > + > + if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { > + switch (s->target) { > + case V4L2_SEL_TGT_CROP_DEFAULT: > + case V4L2_SEL_TGT_CROP_BOUNDS: > + s->r.left = 0; > + s->r.top = 0; > + s->r.width = inst->src_fmt.width; > + s->r.height = inst->src_fmt.height; > + break; > + case V4L2_SEL_TGT_CROP: > + s->r.left = 0; > + s->r.top = 0; > + s->r.width = inst->dst_fmt.width; > + s->r.height = inst->dst_fmt.height; > + dev_dbg(inst->dev->dev, "V4L2_SEL_TGT_CROP width : %d | height : %d\n", > + s->r.width, s->r.height); > + break; > + default: > + return -EINVAL; > + } > + } else { > + return -EINVAL; > + } > + > + return 0; > +} > + > +static int wave5_vpu_enc_s_selection(struct file *file, void *fh, struct v4l2_selection *s) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + > + dev_dbg(inst->dev->dev, "type : %d | target : %d\n", s->type, s->target); > + > + if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { Reverse this if statement. Pull the code in a tab. Always do error handling, never do success handling. > + switch (s->target) { > + case V4L2_SEL_TGT_CROP: > + dev_dbg(inst->dev->dev, "V4L2_SEL_TGT_CROP width : %d | height : %d\n", > + s->r.width, s->r.height); > + inst->dst_fmt.width = s->r.width; > + inst->dst_fmt.height = s->r.height; > + break; > + default: > + return -EINVAL; > + } > + } else { > + return -EINVAL; > + } > + > + return 0; > +} > + > +static int wave5_vpu_enc_try_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *ec) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + > + dev_dbg(inst->dev->dev, "\n"); Delete. > + > + if (ec->cmd != V4L2_ENC_CMD_STOP && ec->cmd != V4L2_ENC_CMD_START) > + return -EINVAL; > + > + ec->flags = 0; > + return 0; > +} > + > +static int wave5_vpu_enc_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *ec) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + int ret; > + > + dev_dbg(inst->dev->dev, "\n"); Delete. > + > + ret = wave5_vpu_enc_try_encoder_cmd(file, fh, ec); > + if (ret < 0) > + return ret; > + > + if (!wave5_vpu_both_queues_are_streaming(inst)) > + return 0; > + > + switch (ec->cmd) { > + case V4L2_ENC_CMD_STOP: > + wave5_vpu_enc_stop_encode(inst); > + break; > + case V4L2_ENC_CMD_START: > + break; > + default: > + return -EINVAL; > + } > + > + return 0; > +} > + > +static int wave5_vpu_enc_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + > + dev_dbg(inst->dev->dev, "type %d | id : %d | flags : %d\n", sub->type, sub->id, sub->flags); > + > + switch (sub->type) { > + case V4L2_EVENT_EOS: > + return v4l2_event_subscribe(fh, sub, 0, NULL); > + case V4L2_EVENT_CTRL: > + return v4l2_ctrl_subscribe_event(fh, sub); > + default: > + return -EINVAL; > + } > +} > + > +static int wave5_vpu_enc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + > + dev_dbg(inst->dev->dev, "type : %d\n", a->type); > + > + if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) > + return -EINVAL; > + > + a->parm.output.capability = V4L2_CAP_TIMEPERFRAME; > + a->parm.output.timeperframe.numerator = 1; > + a->parm.output.timeperframe.denominator = inst->frame_rate; > + > + dev_dbg(inst->dev->dev, "numerator : %d | denominator : %d\n", > + a->parm.output.timeperframe.numerator, > + a->parm.output.timeperframe.denominator); > + > + return 0; > +} > + > +static int wave5_vpu_enc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) > +{ > + struct vpu_instance *inst = wave5_to_vpu_inst(fh); > + > + dev_dbg(inst->dev->dev, "type : %d\n", a->type); > + > + if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) > + return -EINVAL; > + > + a->parm.output.capability = V4L2_CAP_TIMEPERFRAME; > + if (a->parm.output.timeperframe.denominator && a->parm.output.timeperframe.numerator) { > + inst->frame_rate = a->parm.output.timeperframe.denominator / > + a->parm.output.timeperframe.numerator; > + } else { > + a->parm.output.timeperframe.numerator = 1; > + a->parm.output.timeperframe.denominator = inst->frame_rate; > + } > + > + dev_dbg(inst->dev->dev, "numerator : %d | denominator : %d\n", > + a->parm.output.timeperframe.numerator, > + a->parm.output.timeperframe.denominator); Fix indenting. > + > + return 0; > +} > + > +static const struct v4l2_ioctl_ops wave5_vpu_enc_ioctl_ops = { > + .vidioc_querycap = wave5_vpu_enc_querycap, > + .vidioc_enum_framesizes = wave5_vpu_enc_enum_framesizes, > + > + .vidioc_enum_fmt_vid_cap = wave5_vpu_enc_enum_fmt_cap, > + .vidioc_s_fmt_vid_cap_mplane = wave5_vpu_enc_s_fmt_cap, > + .vidioc_g_fmt_vid_cap_mplane = wave5_vpu_enc_g_fmt_cap, > + .vidioc_try_fmt_vid_cap_mplane = wave5_vpu_enc_try_fmt_cap, > + > + .vidioc_enum_fmt_vid_out = wave5_vpu_enc_enum_fmt_out, > + .vidioc_s_fmt_vid_out_mplane = wave5_vpu_enc_s_fmt_out, > + .vidioc_g_fmt_vid_out_mplane = wave5_vpu_enc_g_fmt_out, > + .vidioc_try_fmt_vid_out_mplane = wave5_vpu_enc_try_fmt_out, > + > + .vidioc_g_selection = wave5_vpu_enc_g_selection, > + .vidioc_s_selection = wave5_vpu_enc_s_selection, > + > + .vidioc_g_parm = wave5_vpu_enc_g_parm, > + .vidioc_s_parm = wave5_vpu_enc_s_parm, > + > + .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, > + .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, > + .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, > + .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, > + .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, > + .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, > + .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, > + .vidioc_streamon = v4l2_m2m_ioctl_streamon, > + .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, > + > + .vidioc_try_encoder_cmd = wave5_vpu_enc_try_encoder_cmd, > + .vidioc_encoder_cmd = wave5_vpu_enc_encoder_cmd, > + > + .vidioc_subscribe_event = wave5_vpu_enc_subscribe_event, > + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, > +}; > + > +static int wave5_vpu_enc_g_volatile_ctrl(struct v4l2_ctrl *ctrl) > +{ > + struct vpu_instance *inst = wave5_ctrl_to_vpu_inst(ctrl); > + > + dev_dbg(inst->dev->dev, "name : %s\n", ctrl->name); > + > + switch (ctrl->id) { > + case V4L2_CID_MIN_BUFFERS_FOR_OUTPUT: > + if (inst->state != VPU_INST_STATE_NONE && inst->state != VPU_INST_STATE_OPEN) > + ctrl->val = inst->min_src_frame_buf_count; > + break; > + default: > + return -EINVAL; > + } > + > + dev_dbg(inst->dev->dev, "value : %d\n", ctrl->val); > + > + return 0; > +} > + > +static int wave5_vpu_enc_s_ctrl(struct v4l2_ctrl *ctrl) > +{ > + struct vpu_instance *inst = wave5_ctrl_to_vpu_inst(ctrl); > + > + dev_dbg(inst->dev->dev, "name : %s | value : %d\n", ctrl->name, ctrl->val); > + > + switch (ctrl->id) { > + case V4L2_CID_HFLIP: > + inst->mirror_direction |= (ctrl->val << 1); > + break; > + case V4L2_CID_VFLIP: > + inst->mirror_direction |= ctrl->val; > + break; > + case V4L2_CID_ROTATE: > + inst->rot_angle = ctrl->val; > + break; > + case V4L2_CID_MPEG_VIDEO_VBV_SIZE: > + inst->vbv_buf_size = ctrl->val; > + break; > + case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE: > + switch (ctrl->val) { > + case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN: > + inst->profile = HEVC_PROFILE_MAIN; > + inst->bit_depth = 8; > + break; > + case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE: > + inst->profile = HEVC_PROFILE_STILLPICTURE; > + inst->bit_depth = 8; > + break; > + case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10: > + inst->profile = HEVC_PROFILE_MAIN10; > + inst->bit_depth = 10; > + break; > + default: > + inst->profile = 0; > + inst->bit_depth = 0; > + break; > + } > + break; > + case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL: > + switch (ctrl->val) { > + case V4L2_MPEG_VIDEO_HEVC_LEVEL_1: > + inst->level = 10 * 3; > + break; > + case V4L2_MPEG_VIDEO_HEVC_LEVEL_2: > + inst->level = 20 * 3; > + break; > + case V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1: > + inst->level = 21 * 3; > + break; > + case V4L2_MPEG_VIDEO_HEVC_LEVEL_3: > + inst->level = 30 * 3; > + break; > + case V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1: > + inst->level = 31 * 3; > + break; > + case V4L2_MPEG_VIDEO_HEVC_LEVEL_4: > + inst->level = 40 * 3; > + break; > + case V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1: > + inst->level = 41 * 3; > + break; > + case V4L2_MPEG_VIDEO_HEVC_LEVEL_5: > + inst->level = 50 * 3; > + break; > + case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1: > + inst->level = 51 * 3; > + break; > + case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2: > + inst->level = 52 * 3; > + break; > + default: > + inst->level = 0; > + break; > + } > + break; > + case V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP: > + inst->min_qp_i = ctrl->val; > + inst->min_qp_p = ctrl->val; > + inst->min_qp_b = ctrl->val; > + break; > + case V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP: > + inst->max_qp_i = ctrl->val; > + inst->max_qp_p = ctrl->val; > + inst->max_qp_b = ctrl->val; > + break; > + case V4L2_CID_MPEG_VIDEO_H264_PROFILE: > + switch (ctrl->val) { > + case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE: > + case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE: > + inst->profile = H264_PROFILE_BP; > + inst->bit_depth = 8; > + break; > + case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN: > + inst->profile = H264_PROFILE_MP; > + inst->bit_depth = 8; > + break; > + case V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED: > + inst->profile = H264_PROFILE_EXTENDED; > + inst->bit_depth = 8; > + break; > + case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH: > + inst->profile = H264_PROFILE_HP; > + inst->bit_depth = 8; > + break; > + case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10: > + inst->profile = H264_PROFILE_HIGH10; > + inst->bit_depth = 10; > + break; > + case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422: > + inst->profile = H264_PROFILE_HIGH422; > + inst->bit_depth = 10; > + break; > + case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE: > + inst->profile = H264_PROFILE_HIGH444; > + inst->bit_depth = 10; > + break; > + default: > + inst->profile = 0; > + inst->bit_depth = 0; > + break; > + } > + break; > + case V4L2_CID_MPEG_VIDEO_H264_LEVEL: > + switch (ctrl->val) { > + case V4L2_MPEG_VIDEO_H264_LEVEL_1_0: > + inst->level = 10; > + break; > + case V4L2_MPEG_VIDEO_H264_LEVEL_1B: > + inst->level = 9; > + break; > + case V4L2_MPEG_VIDEO_H264_LEVEL_1_1: > + inst->level = 11; > + break; > + case V4L2_MPEG_VIDEO_H264_LEVEL_1_2: > + inst->level = 12; > + break; > + case V4L2_MPEG_VIDEO_H264_LEVEL_1_3: > + inst->level = 13; > + break; > + case V4L2_MPEG_VIDEO_H264_LEVEL_2_0: > + inst->level = 20; > + break; > + case V4L2_MPEG_VIDEO_H264_LEVEL_2_1: > + inst->level = 21; > + break; > + case V4L2_MPEG_VIDEO_H264_LEVEL_2_2: > + inst->level = 22; > + break; > + case V4L2_MPEG_VIDEO_H264_LEVEL_3_0: > + inst->level = 30; > + break; > + case V4L2_MPEG_VIDEO_H264_LEVEL_3_1: > + inst->level = 31; > + break; > + case V4L2_MPEG_VIDEO_H264_LEVEL_3_2: > + inst->level = 32; > + break; > + case V4L2_MPEG_VIDEO_H264_LEVEL_4_0: > + inst->level = 40; > + break; > + case V4L2_MPEG_VIDEO_H264_LEVEL_4_1: > + inst->level = 41; > + break; > + case V4L2_MPEG_VIDEO_H264_LEVEL_4_2: > + inst->level = 42; > + break; > + case V4L2_MPEG_VIDEO_H264_LEVEL_5_0: > + inst->level = 50; > + break; > + case V4L2_MPEG_VIDEO_H264_LEVEL_5_1: > + inst->level = 51; > + break; > + default: > + inst->level = 0; > + break; > + } > + break; > + case V4L2_CID_MPEG_VIDEO_H264_MIN_QP: > + inst->min_qp_i = ctrl->val; > + inst->min_qp_p = ctrl->val; > + inst->min_qp_b = ctrl->val; > + break; > + case V4L2_CID_MPEG_VIDEO_H264_MAX_QP: > + inst->max_qp_i = ctrl->val; > + inst->max_qp_p = ctrl->val; > + inst->max_qp_b = ctrl->val; > + break; > + default: > + return -EINVAL; > + } > + > + return 0; > +} > + > +static const struct v4l2_ctrl_ops wave5_vpu_enc_ctrl_ops = { > + .g_volatile_ctrl = wave5_vpu_enc_g_volatile_ctrl, > + .s_ctrl = wave5_vpu_enc_s_ctrl, > +}; > + > +static void wave5_set_default_enc_openparam(struct enc_open_param *open_param) > +{ > + unsigned int i; > + > + open_param->stream_endian = VPU_STREAM_ENDIAN; > + open_param->source_endian = VPU_SOURCE_ENDIAN; > + open_param->line_buf_int_en = TRUE; > + > + open_param->wave_param.gop_preset_idx = PRESET_IDX_IPP_SINGLE; > + open_param->wave_param.decoding_refresh_type = 1; > + open_param->wave_param.intra_qp = 30; > + open_param->wave_param.tmvp_enable = 1; > + open_param->wave_param.max_num_merge = 2; > + open_param->wave_param.lf_cross_slice_boundary_enable = 1; > + open_param->wave_param.skip_intra_trans = 1; > + open_param->wave_param.sao_enable = 1; > + open_param->wave_param.transform8x8_enable = 1; > + open_param->wave_param.intra_nx_n_enable = 1; > + for (i = 0; i < MAX_GOP_NUM; i++) > + open_param->wave_param.fixed_bit_ratio[i] = 1; > + open_param->wave_param.cu_level_rc_enable = 1; > + open_param->wave_param.hvs_qp_enable = 1; > + open_param->wave_param.hvs_qp_scale = 2; > + open_param->wave_param.hvs_max_delta_qp = 10; > + open_param->wave_param.gop_param.custom_gop_size = 1; > + open_param->wave_param.initial_rc_qp = -1; > + open_param->wave_param.nr_intra_weight_y = 7; > + open_param->wave_param.nr_intra_weight_cb = 7; > + open_param->wave_param.nr_intra_weight_cr = 7; > + open_param->wave_param.nr_inter_weight_y = 4; > + open_param->wave_param.nr_inter_weight_cb = 4; > + open_param->wave_param.nr_inter_weight_cr = 4; > + open_param->wave_param.strong_intra_smooth_enable = 1; > + open_param->wave_param.bg_thr_diff = 8; > + open_param->wave_param.bg_thr_mean_diff = 1; > + open_param->wave_param.bg_lambda_qp = 32; > + open_param->wave_param.bg_delta_qp = 3; > + open_param->wave_param.rdo_skip = 1; > + open_param->wave_param.intra_mb_refresh_arg = 1; > + open_param->wave_param.entropy_coding_mode = 1; > + open_param->wave_param.rc_weight_param = 16; > + open_param->wave_param.rc_weight_buf = 128; > + open_param->wave_param.lambda_scaling_enable = 1; > +} > + > +static int wave5_vpu_enc_queue_setup(struct vb2_queue *q, unsigned int *num_buffers, > + unsigned int *num_planes, unsigned int sizes[], > + struct device *alloc_devs[]) > +{ > + struct vpu_instance *inst = vb2_get_drv_priv(q); > + struct v4l2_pix_format_mplane inst_format = > + (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) ? inst->src_fmt : inst->dst_fmt; > + unsigned int i; > + > + dev_dbg(inst->dev->dev, "num_buffers : %d | num_planes : %d | type : %d\n", *num_buffers, > + *num_planes, q->type); > + > + if (*num_planes) { > + if (inst_format.num_planes != *num_planes) > + return -EINVAL; > + > + for (i = 0; i < *num_planes; i++) { > + if (sizes[i] < inst_format.plane_fmt[i].sizeimage) > + return -EINVAL; > + } > + } else { > + *num_planes = inst_format.num_planes; > + for (i = 0; i < *num_planes; i++) { > + sizes[i] = inst_format.plane_fmt[i].sizeimage; > + dev_dbg(inst->dev->dev, "size[%d] : %d\n", i, sizes[i]); > + } > + } > + > + dev_dbg(inst->dev->dev, "size : %d\n", sizes[0]); > + > + if (inst->state == VPU_INST_STATE_NONE && q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { > + int ret; > + u32 non_linear_num = 0; > + unsigned int fb_stride = 0; > + u32 fb_height = 0; > + struct enc_open_param open_param; > + struct enc_initial_info initial_info; > + > + memset(&open_param, 0, sizeof(struct enc_open_param)); > + wave5_set_default_enc_openparam(&open_param); > + > + inst->std = wave5_to_vpu_wavestd(inst->dst_fmt.pixelformat); > + if (inst->std == STD_UNKNOWN) { > + dev_warn(inst->dev->dev, "unsupported pixelformat: %.4s\n", > + (char *)&inst->dst_fmt.pixelformat); > + return -EINVAL; > + } > + open_param.pic_width = inst->dst_fmt.width; > + open_param.pic_height = inst->dst_fmt.height; > + open_param.frame_rate_info = inst->frame_rate; > + open_param.vbv_buffer_size = inst->vbv_buf_size; > + open_param.wave_param.profile = inst->profile; > + open_param.wave_param.level = inst->level; > + open_param.wave_param.internal_bit_depth = inst->bit_depth; > + open_param.wave_param.min_qp_i = inst->min_qp_i; > + open_param.wave_param.max_qp_i = inst->max_qp_i; > + open_param.wave_param.min_qp_p = inst->min_qp_p; > + open_param.wave_param.max_qp_p = inst->max_qp_p; > + open_param.wave_param.min_qp_b = inst->min_qp_b; > + open_param.wave_param.max_qp_b = inst->max_qp_b; > + > + ret = wave5_vpu_enc_open(inst, &open_param); > + if (ret) { > + dev_dbg(inst->dev->dev, "failed wave5_vpu_enc_open : %d\n", ret); > + return -EINVAL; > + } > + > + inst->state = VPU_INST_STATE_OPEN; > + > + //wave5_vpu_enc_give_command(inst, ENABLE_LOGGING, 0); > + > + if (inst->mirror_direction) { > + wave5_vpu_enc_give_command(inst, ENABLE_MIRRORING, 0); > + wave5_vpu_enc_give_command(inst, SET_MIRROR_DIRECTION, &inst->mirror_direction); > + } > + if (inst->rot_angle) { > + wave5_vpu_enc_give_command(inst, ENABLE_ROTATION, 0); > + wave5_vpu_enc_give_command(inst, SET_ROTATION_ANGLE, &inst->rot_angle); > + } > + > + ret = wave5_vpu_enc_issue_seq_init(inst); > + if (ret) { > + dev_dbg(inst->dev->dev, "failed wave5_vpu_enc_issue_seq_init() : %d\n", > + ret); > + return -EINVAL; > + } > + > + if (wave5_vpu_wait_interrupt(inst, VPU_ENC_TIMEOUT) < 0) { > + dev_dbg(inst->dev->dev, "failed to call wave5_vpu_wait_interrupt()\n"); > + return -EINVAL; > + } > + > + ret = wave5_vpu_enc_complete_seq_init(inst, &initial_info); > + if (ret) > + return -EINVAL; > + > + dev_dbg(inst->dev->dev, "min_frame_buffer : %d | min_source_buffer : %d\n", > + initial_info.min_frame_buffer_count, initial_info.min_src_frame_count); > + inst->state = VPU_INST_STATE_INIT_SEQ; > + inst->min_src_frame_buf_count = initial_info.min_src_frame_count + > + COMMAND_QUEUE_DEPTH; > + inst->min_dst_frame_buf_count = initial_info.min_frame_buffer_count; > + *num_buffers = inst->min_src_frame_buf_count; > + dev_dbg(inst->dev->dev, "source buffer num : %d", *num_buffers); > + > + non_linear_num = inst->min_dst_frame_buf_count; > + > + fb_stride = inst->dst_fmt.width; > + fb_height = inst->dst_fmt.height; > + > + for (i = 0; i < non_linear_num; i++) { > + u32 luma_size = fb_stride * fb_height; > + u32 chroma_size = ALIGN(fb_stride / 2, 16) * fb_height; > + > + inst->frame_vbuf[i].size = luma_size + chroma_size; > + if (wave5_vdi_allocate_dma_memory(inst->dev, &inst->frame_vbuf[i]) < 0) > + dev_dbg(inst->dev->dev, "failed to allocate FBC buffer : %zu\n", > + inst->frame_vbuf[i].size); > + > + inst->frame_buf[i].buf_y = inst->frame_vbuf[i].daddr; > + inst->frame_buf[i].buf_cb = (dma_addr_t)-1; > + inst->frame_buf[i].buf_cr = (dma_addr_t)-1; > + inst->frame_buf[i].update_fb_info = TRUE; > + inst->frame_buf[i].size = inst->frame_vbuf[i].size; > + } > + > + ret = wave5_vpu_enc_register_frame_buffer(inst, non_linear_num, fb_stride, fb_height, > + COMPRESSED_FRAME_MAP); > + if (ret) { > + dev_dbg(inst->dev->dev, "failed wave5_vpu_enc_register_frame_buffer %d\n", > + ret); > + return -EINVAL; Preserve the error code. "return ret;" > + } > + > + inst->state = VPU_INST_STATE_PIC_RUN; > + } > + > + if (inst->state != VPU_INST_STATE_NONE && inst->state != VPU_INST_STATE_OPEN && > + q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { > + *num_buffers = inst->min_src_frame_buf_count; > + dev_dbg(inst->dev->dev, "source buffer num : %d", *num_buffers); > + } > + > + return 0; > +} > + > +static int wave5_vpu_enc_buf_init(struct vb2_buffer *vb) > +{ > + struct vpu_instance *inst = vb2_get_drv_priv(vb->vb2_queue); > + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); > + > + dev_dbg(inst->dev->dev, "type %4d index %4d size[0] %4ld size[1] %4ld size[2] : %4ld\n", > + vb->type, vb->index, vb2_plane_size(&vbuf->vb2_buf, 0), > + vb2_plane_size(&vbuf->vb2_buf, 1), vb2_plane_size(&vbuf->vb2_buf, 2)); > + > + return 0; > +} Delete. > + > +static int wave5_vpu_enc_buf_prepare(struct vb2_buffer *vb) > +{ > + struct vpu_instance *inst = vb2_get_drv_priv(vb->vb2_queue); > + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); > + > + dev_dbg(inst->dev->dev, "type %4d index %4d size[0] %4ld size[1] %4ld | size[2] : %4ld\n", > + vb->type, vb->index, vb2_plane_size(&vbuf->vb2_buf, 0), > + vb2_plane_size(&vbuf->vb2_buf, 1), vb2_plane_size(&vbuf->vb2_buf, 2)); > + > + return 0; > +} Delete. > + > +static void wave5_vpu_enc_buf_queue(struct vb2_buffer *vb) > +{ > + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); > + struct vpu_instance *inst = vb2_get_drv_priv(vb->vb2_queue); > + struct vpu_buffer *vpu_buf = wave5_to_vpu_buf(vbuf); > + > + dev_dbg(inst->dev->dev, "type %4d index %4d size[0] %4ld size[1] : %4ld | size[2] : %4ld\n", > + vb->type, vb->index, vb2_plane_size(&vbuf->vb2_buf, 0), > + vb2_plane_size(&vbuf->vb2_buf, 1), vb2_plane_size(&vbuf->vb2_buf, 2)); > + > + if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) > + vbuf->sequence = inst->queued_src_buf_num++; > + else > + vbuf->sequence = inst->queued_dst_buf_num++; > + > + vpu_buf->consumed = FALSE; > + v4l2_m2m_buf_queue(inst->v4l2_fh.m2m_ctx, vbuf); > +} > + > +static void wave5_vpu_enc_buf_finish(struct vb2_buffer *vb) > +{ > + struct vpu_instance *inst = vb2_get_drv_priv(vb->vb2_queue); > + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); > + > + dev_dbg(inst->dev->dev, "type %4d index %4d size[0] %4ld size[1] : %4ld | size[2] : %4ld\n", > + vb->type, vb->index, vb2_plane_size(&vbuf->vb2_buf, 0), > + vb2_plane_size(&vbuf->vb2_buf, 1), vb2_plane_size(&vbuf->vb2_buf, 2)); > +} Delete. > + > +static void wave5_vpu_enc_buf_cleanup(struct vb2_buffer *vb) > +{ > + struct vpu_instance *inst = vb2_get_drv_priv(vb->vb2_queue); > + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); > + > + dev_dbg(inst->dev->dev, "type %4d index %4d size[0] %4ld size[1] : %4ld | size[2] : %4ld\n", > + vb->type, vb->index, vb2_plane_size(&vbuf->vb2_buf, 0), > + vb2_plane_size(&vbuf->vb2_buf, 1), vb2_plane_size(&vbuf->vb2_buf, 2)); > +} Delete. > + > +static int wave5_vpu_enc_start_streaming(struct vb2_queue *q, unsigned int count) > +{ > + struct vpu_instance *inst = vb2_get_drv_priv(q); > + > + dev_dbg(inst->dev->dev, "type : %d\n", q->type); > + return 0; > +} Delete. > + > +static void wave5_vpu_enc_stop_streaming(struct vb2_queue *q) > +{ > + struct vpu_instance *inst = vb2_get_drv_priv(q); > + struct vb2_v4l2_buffer *buf; > + > + dev_dbg(inst->dev->dev, "type : %d\n", q->type); > + > + if (wave5_vpu_both_queues_are_streaming(inst)) > + inst->state = VPU_INST_STATE_STOP; > + > + if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { > + while ((buf = v4l2_m2m_src_buf_remove(inst->v4l2_fh.m2m_ctx))) { > + dev_dbg(inst->dev->dev, "buf type : %4d | index : %4d\n", > + buf->vb2_buf.type, buf->vb2_buf.index); > + v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); > + } > + } else { > + while ((buf = v4l2_m2m_dst_buf_remove(inst->v4l2_fh.m2m_ctx))) { > + dev_dbg(inst->dev->dev, "buf type : %4d | index : %4d\n", > + buf->vb2_buf.type, buf->vb2_buf.index); > + vb2_set_plane_payload(&buf->vb2_buf, 0, 0); > + v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); > + } > + } > +} > + > +static const struct vb2_ops wave5_vpu_enc_vb2_ops = { > + .queue_setup = wave5_vpu_enc_queue_setup, > + .wait_prepare = vb2_ops_wait_prepare, > + .wait_finish = vb2_ops_wait_finish, > + .buf_init = wave5_vpu_enc_buf_init, > + .buf_prepare = wave5_vpu_enc_buf_prepare, > + .buf_queue = wave5_vpu_enc_buf_queue, > + .buf_finish = wave5_vpu_enc_buf_finish, > + .buf_cleanup = wave5_vpu_enc_buf_cleanup, > + .start_streaming = wave5_vpu_enc_start_streaming, > + .stop_streaming = wave5_vpu_enc_stop_streaming, > +}; > + > +static void wave5_set_default_format(struct v4l2_pix_format_mplane *src_fmt, > + struct v4l2_pix_format_mplane *dst_fmt) > +{ > + unsigned int src_pix_fmt = wave5_vpu_enc_fmt_list[VPU_FMT_TYPE_RAW][0].v4l2_pix_fmt; > + const struct v4l2_format_info *src_fmt_info = v4l2_format_info(src_pix_fmt); > + > + src_fmt->pixelformat = src_pix_fmt; > + src_fmt->field = V4L2_FIELD_NONE; > + src_fmt->flags = 0; > + src_fmt->num_planes = src_fmt_info->mem_planes; > + wave5_update_pix_fmt(src_fmt, 416, 240); > + > + dst_fmt->pixelformat = wave5_vpu_enc_fmt_list[VPU_FMT_TYPE_CODEC][0].v4l2_pix_fmt; > + dst_fmt->field = V4L2_FIELD_NONE; > + dst_fmt->flags = 0; > + dst_fmt->num_planes = 1; > + wave5_update_pix_fmt(dst_fmt, 416, 240); > +} > + > +static int wave5_vpu_enc_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq) > +{ > + struct vpu_instance *inst = priv; > + int ret; > + > + dev_dbg(inst->dev->dev, "\n"); Delete. > + > + src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; > + src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; > + src_vq->mem_ops = &vb2_dma_contig_memops; > + src_vq->ops = &wave5_vpu_enc_vb2_ops; > + src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; > + src_vq->buf_struct_size = sizeof(struct vpu_buffer); > + src_vq->allow_zero_bytesused = 1; > + src_vq->min_buffers_needed = 0; > + src_vq->drv_priv = inst; > + src_vq->lock = &inst->dev->dev_lock; > + src_vq->dev = inst->dev->v4l2_dev.dev; > + ret = vb2_queue_init(src_vq); > + if (ret) > + return ret; > + > + dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; > + dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; > + dst_vq->mem_ops = &vb2_dma_contig_memops; > + dst_vq->ops = &wave5_vpu_enc_vb2_ops; > + dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; > + dst_vq->buf_struct_size = sizeof(struct vpu_buffer); > + dst_vq->allow_zero_bytesused = 1; > + dst_vq->min_buffers_needed = 0; > + dst_vq->drv_priv = inst; > + dst_vq->lock = &inst->dev->dev_lock; > + dst_vq->dev = inst->dev->v4l2_dev.dev; > + ret = vb2_queue_init(dst_vq); > + if (ret) > + return ret; > + > + return 0; > +} > + > +static const struct vpu_instance_ops wave5_vpu_enc_inst_ops = { > + .start_process = wave5_vpu_enc_start_encode, > + .stop_process = wave5_vpu_enc_stop_encode, > + .finish_process = wave5_vpu_enc_finish_encode, > +}; > + > +static int wave5_vpu_open_enc(struct file *filp) > +{ > + struct video_device *vdev = video_devdata(filp); > + struct vpu_device *dev = video_drvdata(filp); > + struct vpu_instance *inst = NULL; > + struct v4l2_ctrl_handler *v4l2_ctrl_hdl; > + struct v4l2_ctrl *ctrl; > + > + inst = kzalloc(sizeof(*inst), GFP_KERNEL); > + if (!inst) > + return -ENOMEM; > + v4l2_ctrl_hdl = &inst->v4l2_ctrl_hdl; > + > + inst->dev = dev; > + inst->type = VPU_INST_TYPE_ENC; > + inst->ops = &wave5_vpu_enc_inst_ops; > + > + v4l2_fh_init(&inst->v4l2_fh, vdev); > + filp->private_data = &inst->v4l2_fh; > + v4l2_fh_add(&inst->v4l2_fh); > + > + inst->v4l2_fh.m2m_ctx = v4l2_m2m_ctx_init(dev->v4l2_m2m_dev, inst, wave5_vpu_enc_queue_init); > + if (IS_ERR(inst->v4l2_fh.m2m_ctx)) > + return -ENODEV; > + > + v4l2_ctrl_handler_init(v4l2_ctrl_hdl, 30); > + v4l2_ctrl_new_std_menu(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, > + V4L2_CID_MPEG_VIDEO_HEVC_PROFILE, > + V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10, 0, > + V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN); Fix indenting. > + v4l2_ctrl_new_std_menu(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, > + V4L2_CID_MPEG_VIDEO_HEVC_LEVEL, V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1, 0, > + V4L2_MPEG_VIDEO_HEVC_LEVEL_1); > + v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP, > + 0, 63, 1, 8); > + v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP, > + 0, 63, 1, 51); > + v4l2_ctrl_new_std_menu(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, > + V4L2_CID_MPEG_VIDEO_H264_PROFILE, > + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE, 0, > + V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE); Fix indenting. > + v4l2_ctrl_new_std_menu(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, > + V4L2_CID_MPEG_VIDEO_H264_LEVEL, V4L2_MPEG_VIDEO_H264_LEVEL_5_1, 0, > + V4L2_MPEG_VIDEO_H264_LEVEL_1_0); Indenting. > + v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_MIN_QP, > + 0, 63, 1, 8); > + v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_MAX_QP, > + 0, 63, 1, 51); > + v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0); > + v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0); > + v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_ROTATE, 0, 270, 90, 0); > + v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_MPEG_VIDEO_VBV_SIZE, 10, > + 3000, 1, 3000); > + ctrl = v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, > + V4L2_CID_MIN_BUFFERS_FOR_OUTPUT, 1, 32, 1, 1); > + if (ctrl) > + ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE; > + > + if (inst->v4l2_ctrl_hdl.error) > + return -ENODEV; Preserve the error code? > + > + inst->v4l2_fh.ctrl_handler = v4l2_ctrl_hdl; > + v4l2_ctrl_handler_setup(v4l2_ctrl_hdl); > + > + wave5_set_default_format(&inst->src_fmt, &inst->dst_fmt); > + inst->colorspace = V4L2_COLORSPACE_REC709; > + inst->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; > + inst->hsv_enc = 0; > + inst->quantization = V4L2_QUANTIZATION_DEFAULT; > + inst->xfer_func = V4L2_XFER_FUNC_DEFAULT; > + inst->frame_rate = 30; > + > + return 0; > +} > + > +static int wave5_vpu_enc_release(struct file *filp) > +{ > + int i, ret; > + struct vpu_instance *inst = wave5_to_vpu_inst(filp->private_data); > + unsigned int loop_count = 0; > + u32 fail_res = 0; > + > + v4l2_m2m_ctx_release(inst->v4l2_fh.m2m_ctx); > + if (inst->state != VPU_INST_STATE_NONE) { > + ret = wave5_vpu_enc_close(inst, &fail_res); > + while (fail_res == WAVE5_SYSERR_VPU_STILL_RUNNING) { > + if (wave5_vpu_wait_interrupt(inst, VPU_ENC_TIMEOUT) < 0) { > + dev_dbg(inst->dev->dev, "failed wave5_vpu_wait_interrupt()\n"); > + if (loop_count < 10) { > + loop_count++; > + continue; if (loop_count++ >= 10) { dev_warn("inst->dev->dev, "failed wave5_vpu_enc_close()\n"); break; } > + } else { > + dev_dbg(inst->dev->dev, "failed wave5_vpu_enc_close()\n"); Make this a dev_warn(). > + break; > + } > + } > + fail_res = 0; > + ret = wave5_vpu_enc_close(inst, &fail_res); > + } > + if (ret) > + return ret; > + } > + for (i = 0; i < inst->min_dst_frame_buf_count; i++) { > + if (inst->frame_vbuf[i].size != 0) > + wave5_vdi_free_dma_memory(inst->dev, &inst->frame_vbuf[i]); > + } > + v4l2_ctrl_handler_free(&inst->v4l2_ctrl_hdl); > + v4l2_fh_del(&inst->v4l2_fh); > + v4l2_fh_exit(&inst->v4l2_fh); > + kfree(inst); > + > + return 0; > +}