| /* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| */ |
| |
| #include <linux/dma-direction.h> |
| #include <linux/sched.h> |
| #include <linux/slab.h> |
| #include <media/msm_vidc.h> |
| #include "msm_vidc_internal.h" |
| #include "msm_vidc_debug.h" |
| #include "msm_vdec.h" |
| #include "msm_venc.h" |
| #include "msm_vidc_common.h" |
| #include <linux/delay.h> |
| #include "vidc_hfi_api.h" |
| #include "msm_vidc_clocks.h" |
| |
| #define MAX_EVENTS 30 |
| |
| static int try_get_ctrl(struct msm_vidc_inst *inst, |
| struct v4l2_ctrl *ctrl); |
| static int msm_vidc_get_count(struct msm_vidc_inst *inst, |
| struct v4l2_ctrl *ctrl); |
| |
| static int get_poll_flags(void *instance) |
| { |
| struct msm_vidc_inst *inst = instance; |
| struct vb2_queue *outq = &inst->bufq[OUTPUT_PORT].vb2_bufq; |
| struct vb2_queue *capq = &inst->bufq[CAPTURE_PORT].vb2_bufq; |
| struct vb2_buffer *out_vb = NULL; |
| struct vb2_buffer *cap_vb = NULL; |
| unsigned long flags; |
| int rc = 0; |
| |
| if (v4l2_event_pending(&inst->event_handler)) |
| rc |= POLLPRI; |
| |
| spin_lock_irqsave(&capq->done_lock, flags); |
| if (!list_empty(&capq->done_list)) |
| cap_vb = list_first_entry(&capq->done_list, struct vb2_buffer, |
| done_entry); |
| if (cap_vb && (cap_vb->state == VB2_BUF_STATE_DONE |
| || cap_vb->state == VB2_BUF_STATE_ERROR)) |
| rc |= POLLIN | POLLRDNORM; |
| spin_unlock_irqrestore(&capq->done_lock, flags); |
| |
| spin_lock_irqsave(&outq->done_lock, flags); |
| if (!list_empty(&outq->done_list)) |
| out_vb = list_first_entry(&outq->done_list, struct vb2_buffer, |
| done_entry); |
| if (out_vb && (out_vb->state == VB2_BUF_STATE_DONE |
| || out_vb->state == VB2_BUF_STATE_ERROR)) |
| rc |= POLLOUT | POLLWRNORM; |
| spin_unlock_irqrestore(&outq->done_lock, flags); |
| |
| return rc; |
| } |
| |
| int msm_vidc_poll(void *instance, struct file *filp, |
| struct poll_table_struct *wait) |
| { |
| struct msm_vidc_inst *inst = instance; |
| struct vb2_queue *outq = NULL; |
| struct vb2_queue *capq = NULL; |
| |
| if (!inst) |
| return -EINVAL; |
| |
| outq = &inst->bufq[OUTPUT_PORT].vb2_bufq; |
| capq = &inst->bufq[CAPTURE_PORT].vb2_bufq; |
| |
| poll_wait(filp, &inst->event_handler.wait, wait); |
| poll_wait(filp, &capq->done_wq, wait); |
| poll_wait(filp, &outq->done_wq, wait); |
| return get_poll_flags(inst); |
| } |
| EXPORT_SYMBOL(msm_vidc_poll); |
| |
| int msm_vidc_querycap(void *instance, struct v4l2_capability *cap) |
| { |
| struct msm_vidc_inst *inst = instance; |
| |
| if (!inst || !cap) |
| return -EINVAL; |
| |
| strlcpy(cap->driver, MSM_VIDC_DRV_NAME, sizeof(cap->driver)); |
| cap->bus_info[0] = 0; |
| cap->version = MSM_VIDC_VERSION; |
| cap->device_caps = V4L2_CAP_VIDEO_CAPTURE_MPLANE | |
| V4L2_CAP_VIDEO_OUTPUT_MPLANE | |
| V4L2_CAP_STREAMING; |
| cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; |
| |
| memset(cap->reserved, 0, sizeof(cap->reserved)); |
| |
| if (inst->session_type == MSM_VIDC_DECODER) |
| strlcpy(cap->card, MSM_VDEC_DVC_NAME, sizeof(cap->card)); |
| else if (inst->session_type == MSM_VIDC_ENCODER) |
| strlcpy(cap->card, MSM_VENC_DVC_NAME, sizeof(cap->card)); |
| else |
| return -EINVAL; |
| |
| return 0; |
| } |
| EXPORT_SYMBOL(msm_vidc_querycap); |
| |
| int msm_vidc_enum_fmt(void *instance, struct v4l2_fmtdesc *f) |
| { |
| struct msm_vidc_inst *inst = instance; |
| |
| if (!inst || !f) |
| return -EINVAL; |
| |
| if (inst->session_type == MSM_VIDC_DECODER) |
| return msm_vdec_enum_fmt(instance, f); |
| else if (inst->session_type == MSM_VIDC_ENCODER) |
| return msm_venc_enum_fmt(instance, f); |
| return -EINVAL; |
| } |
| EXPORT_SYMBOL(msm_vidc_enum_fmt); |
| |
| static void msm_vidc_ctrl_get_range(struct v4l2_queryctrl *ctrl, |
| struct hal_capability_supported *capability) |
| |
| { |
| ctrl->maximum = capability->max; |
| ctrl->minimum = capability->min; |
| } |
| |
| int msm_vidc_query_ctrl(void *instance, struct v4l2_queryctrl *ctrl) |
| { |
| struct msm_vidc_inst *inst = instance; |
| int rc = 0; |
| |
| if (!inst || !ctrl) |
| return -EINVAL; |
| |
| switch (ctrl->id) { |
| case V4L2_CID_MPEG_VIDC_VIDEO_HYBRID_HIERP_MODE: |
| msm_vidc_ctrl_get_range(ctrl, |
| &inst->capability.hier_p_hybrid); |
| break; |
| case V4L2_CID_MPEG_VIDC_VIDEO_HIER_B_NUM_LAYERS: |
| msm_vidc_ctrl_get_range(ctrl, &inst->capability.hier_b); |
| break; |
| case V4L2_CID_MPEG_VIDC_VIDEO_HIER_P_NUM_LAYERS: |
| msm_vidc_ctrl_get_range(ctrl, &inst->capability.hier_p); |
| break; |
| case V4L2_CID_MPEG_VIDC_VENC_PARAM_LAYER_BITRATE: |
| case V4L2_CID_MPEG_VIDEO_BITRATE: |
| msm_vidc_ctrl_get_range(ctrl, &inst->capability.bitrate); |
| break; |
| case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: |
| msm_vidc_ctrl_get_range(ctrl, &inst->capability.peakbitrate); |
| break; |
| case V4L2_CID_MPEG_VIDC_VIDEO_BLUR_WIDTH: |
| msm_vidc_ctrl_get_range(ctrl, &inst->capability.blur_width); |
| break; |
| case V4L2_CID_MPEG_VIDC_VIDEO_BLUR_HEIGHT: |
| msm_vidc_ctrl_get_range(ctrl, &inst->capability.blur_height); |
| break; |
| default: |
| rc = -EINVAL; |
| } |
| return rc; |
| } |
| EXPORT_SYMBOL(msm_vidc_query_ctrl); |
| |
| int msm_vidc_s_fmt(void *instance, struct v4l2_format *f) |
| { |
| struct msm_vidc_inst *inst = instance; |
| |
| if (!inst || !f) |
| return -EINVAL; |
| |
| if (inst->session_type == MSM_VIDC_DECODER) |
| return msm_vdec_s_fmt(instance, f); |
| if (inst->session_type == MSM_VIDC_ENCODER) |
| return msm_venc_s_fmt(instance, f); |
| return -EINVAL; |
| } |
| EXPORT_SYMBOL(msm_vidc_s_fmt); |
| |
| int msm_vidc_g_fmt(void *instance, struct v4l2_format *f) |
| { |
| struct msm_vidc_inst *inst = instance; |
| int i, rc = 0, color_format = 0; |
| enum vidc_ports port; |
| u32 num_planes; |
| |
| if (!inst || !f) { |
| dprintk(VIDC_ERR, |
| "Invalid input, inst = %pK, format = %pK\n", inst, f); |
| return -EINVAL; |
| } |
| if (inst->in_reconfig) { |
| inst->prop.height[OUTPUT_PORT] = inst->reconfig_height; |
| inst->prop.width[OUTPUT_PORT] = inst->reconfig_width; |
| } |
| |
| port = f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE ? |
| OUTPUT_PORT : CAPTURE_PORT; |
| |
| f->fmt.pix_mp.pixelformat = inst->fmts[port].fourcc; |
| f->fmt.pix_mp.height = inst->prop.height[port]; |
| f->fmt.pix_mp.width = inst->prop.width[port]; |
| num_planes = f->fmt.pix_mp.num_planes = inst->bufq[port].num_planes; |
| for (i = 0; i < num_planes; ++i) |
| f->fmt.pix_mp.plane_fmt[i].sizeimage = |
| inst->bufq[port].plane_sizes[i]; |
| switch (inst->fmts[port].fourcc) { |
| case V4L2_PIX_FMT_NV12: |
| color_format = COLOR_FMT_NV12; |
| break; |
| case V4L2_PIX_FMT_NV12_UBWC: |
| color_format = COLOR_FMT_NV12_UBWC; |
| break; |
| case V4L2_PIX_FMT_NV12_TP10_UBWC: |
| color_format = COLOR_FMT_NV12_BPP10_UBWC; |
| break; |
| default: |
| dprintk(VIDC_DBG, |
| "Invalid : g_fmt called on %s port with Invalid fourcc 0x%x\n", |
| port == OUTPUT_PORT ? "OUTPUT" : "CAPTURE", |
| inst->fmts[port].fourcc); |
| goto exit; |
| } |
| |
| f->fmt.pix_mp.plane_fmt[0].bytesperline = VENUS_Y_STRIDE(color_format, |
| inst->prop.width[port]); |
| f->fmt.pix_mp.plane_fmt[0].reserved[0] = VENUS_Y_SCANLINES(color_format, |
| inst->prop.height[port]); |
| |
| exit: |
| return rc; |
| } |
| EXPORT_SYMBOL(msm_vidc_g_fmt); |
| |
| int msm_vidc_s_ctrl(void *instance, struct v4l2_control *control) |
| { |
| struct msm_vidc_inst *inst = instance; |
| |
| if (!inst || !control) |
| return -EINVAL; |
| |
| return msm_comm_s_ctrl(instance, control); |
| } |
| EXPORT_SYMBOL(msm_vidc_s_ctrl); |
| |
| int msm_vidc_g_ctrl(void *instance, struct v4l2_control *control) |
| { |
| struct msm_vidc_inst *inst = instance; |
| struct v4l2_ctrl *ctrl = NULL; |
| int rc = 0; |
| |
| if (!inst || !control) |
| return -EINVAL; |
| |
| ctrl = v4l2_ctrl_find(&inst->ctrl_handler, control->id); |
| if (ctrl) { |
| rc = try_get_ctrl(inst, ctrl); |
| if (!rc) |
| control->value = ctrl->val; |
| } |
| |
| return rc; |
| } |
| EXPORT_SYMBOL(msm_vidc_g_ctrl); |
| |
| int msm_vidc_g_ext_ctrl(void *instance, struct v4l2_ext_controls *control) |
| { |
| struct msm_vidc_inst *inst = instance; |
| struct v4l2_ext_control *ext_control; |
| struct v4l2_ctrl ctrl; |
| int i = 0, rc = 0; |
| |
| if (!inst || !control) |
| return -EINVAL; |
| |
| ext_control = control->controls; |
| |
| for (i = 0; i < control->count; i++) { |
| switch (ext_control[i].id) { |
| case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: |
| case V4L2_CID_MIN_BUFFERS_FOR_OUTPUT: |
| ctrl.id = ext_control[i].id; |
| ctrl.val = ext_control[i].value; |
| |
| msm_vidc_get_count(inst, &ctrl); |
| ext_control->value = ctrl.val; |
| break; |
| default: |
| dprintk(VIDC_ERR, |
| "This control %x is not supported yet\n", |
| ext_control[i].id); |
| rc = -EINVAL; |
| break; |
| } |
| } |
| return rc; |
| } |
| EXPORT_SYMBOL(msm_vidc_g_ext_ctrl); |
| |
| int msm_vidc_s_ext_ctrl(void *instance, struct v4l2_ext_controls *control) |
| { |
| struct msm_vidc_inst *inst = instance; |
| |
| if (!inst || !control) |
| return -EINVAL; |
| |
| if (inst->session_type == MSM_VIDC_DECODER) |
| return msm_vdec_s_ext_ctrl(instance, control); |
| if (inst->session_type == MSM_VIDC_ENCODER) |
| return msm_venc_s_ext_ctrl(instance, control); |
| return -EINVAL; |
| } |
| EXPORT_SYMBOL(msm_vidc_s_ext_ctrl); |
| |
| int msm_vidc_reqbufs(void *instance, struct v4l2_requestbuffers *b) |
| { |
| struct msm_vidc_inst *inst = instance; |
| struct buf_queue *q = NULL; |
| int rc = 0; |
| |
| if (!inst || !b) |
| return -EINVAL; |
| q = msm_comm_get_vb2q(inst, b->type); |
| if (!q) { |
| dprintk(VIDC_ERR, |
| "Failed to find buffer queue for type = %d\n", |
| b->type); |
| return -EINVAL; |
| } |
| |
| mutex_lock(&q->lock); |
| rc = vb2_reqbufs(&q->vb2_bufq, b); |
| mutex_unlock(&q->lock); |
| |
| if (rc) |
| dprintk(VIDC_ERR, "Failed to get reqbufs, %d\n", rc); |
| return rc; |
| } |
| EXPORT_SYMBOL(msm_vidc_reqbufs); |
| |
| struct buffer_info *get_registered_buf(struct msm_vidc_inst *inst, |
| struct v4l2_buffer *b, int idx, int *plane) |
| { |
| struct buffer_info *temp; |
| struct buffer_info *ret = NULL; |
| int i; |
| int fd = b->m.planes[idx].reserved[0]; |
| u32 buff_off = b->m.planes[idx].reserved[1]; |
| u32 size = b->m.planes[idx].length; |
| ion_phys_addr_t device_addr = b->m.planes[idx].m.userptr; |
| |
| if (fd < 0 || !plane) { |
| dprintk(VIDC_ERR, "Invalid input\n"); |
| goto err_invalid_input; |
| } |
| |
| WARN(!mutex_is_locked(&inst->registeredbufs.lock), |
| "Registered buf lock is not acquired for %s", __func__); |
| |
| *plane = 0; |
| list_for_each_entry(temp, &inst->registeredbufs.list, list) { |
| for (i = 0; i < min(temp->num_planes, VIDEO_MAX_PLANES); i++) { |
| bool ion_hndl_matches = temp->handle[i] ? |
| msm_smem_compare_buffers(inst->mem_client, fd, |
| temp->handle[i]->smem_priv) : false; |
| bool device_addr_matches = device_addr == |
| temp->device_addr[i]; |
| bool contains_within = CONTAINS(temp->buff_off[i], |
| temp->size[i], buff_off) || |
| CONTAINS(buff_off, size, temp->buff_off[i]); |
| bool overlaps = OVERLAPS(buff_off, size, |
| temp->buff_off[i], temp->size[i]); |
| |
| if (!temp->inactive && |
| (ion_hndl_matches || device_addr_matches) && |
| (contains_within || overlaps)) { |
| dprintk(VIDC_DBG, |
| "This memory region is already mapped\n"); |
| ret = temp; |
| *plane = i; |
| break; |
| } |
| } |
| if (ret) |
| break; |
| } |
| |
| err_invalid_input: |
| return ret; |
| } |
| |
| static struct msm_smem *get_same_fd_buffer(struct msm_vidc_inst *inst, int fd) |
| { |
| struct buffer_info *temp; |
| struct msm_smem *same_fd_handle = NULL; |
| int i; |
| |
| if (!fd) |
| return NULL; |
| |
| if (!inst || fd < 0) { |
| dprintk(VIDC_ERR, "%s: Invalid input\n", __func__); |
| goto err_invalid_input; |
| } |
| |
| mutex_lock(&inst->registeredbufs.lock); |
| list_for_each_entry(temp, &inst->registeredbufs.list, list) { |
| for (i = 0; i < min(temp->num_planes, VIDEO_MAX_PLANES); i++) { |
| bool ion_hndl_matches = temp->handle[i] ? |
| msm_smem_compare_buffers(inst->mem_client, fd, |
| temp->handle[i]->smem_priv) : false; |
| if (ion_hndl_matches && temp->mapped[i]) { |
| temp->same_fd_ref[i]++; |
| dprintk(VIDC_INFO, |
| "Found same fd buffer\n"); |
| same_fd_handle = temp->handle[i]; |
| break; |
| } |
| } |
| if (same_fd_handle) |
| break; |
| } |
| mutex_unlock(&inst->registeredbufs.lock); |
| |
| err_invalid_input: |
| return same_fd_handle; |
| } |
| |
| struct buffer_info *device_to_uvaddr(struct msm_vidc_list *buf_list, |
| ion_phys_addr_t device_addr) |
| { |
| struct buffer_info *temp = NULL; |
| bool found = false; |
| int i; |
| |
| if (!buf_list || !device_addr) { |
| dprintk(VIDC_ERR, |
| "Invalid input- device_addr: %pa buf_list: %pK\n", |
| &device_addr, buf_list); |
| goto err_invalid_input; |
| } |
| |
| mutex_lock(&buf_list->lock); |
| list_for_each_entry(temp, &buf_list->list, list) { |
| for (i = 0; i < min(temp->num_planes, VIDEO_MAX_PLANES); i++) { |
| if (!temp->inactive && |
| temp->device_addr[i] == device_addr) { |
| dprintk(VIDC_INFO, |
| "Found same fd buffer\n"); |
| found = true; |
| break; |
| } |
| } |
| |
| if (found) |
| break; |
| } |
| mutex_unlock(&buf_list->lock); |
| |
| err_invalid_input: |
| return temp; |
| } |
| |
| static inline void populate_buf_info(struct buffer_info *binfo, |
| struct v4l2_buffer *b, u32 i) |
| { |
| if (i >= VIDEO_MAX_PLANES) { |
| dprintk(VIDC_ERR, "%s: Invalid input\n", __func__); |
| return; |
| } |
| binfo->type = b->type; |
| binfo->fd[i] = b->m.planes[i].reserved[0]; |
| binfo->buff_off[i] = b->m.planes[i].reserved[1]; |
| binfo->size[i] = b->m.planes[i].length; |
| binfo->uvaddr[i] = b->m.planes[i].m.userptr; |
| binfo->num_planes = b->length; |
| binfo->memory = b->memory; |
| binfo->v4l2_index = b->index; |
| binfo->timestamp.tv_sec = b->timestamp.tv_sec; |
| binfo->timestamp.tv_usec = b->timestamp.tv_usec; |
| dprintk(VIDC_DBG, "%s: fd[%d] = %d b->index = %d", |
| __func__, i, binfo->fd[i], b->index); |
| } |
| |
| static inline void repopulate_v4l2_buffer(struct v4l2_buffer *b, |
| struct buffer_info *binfo) |
| { |
| int i = 0; |
| |
| b->type = binfo->type; |
| b->length = binfo->num_planes; |
| b->memory = binfo->memory; |
| b->index = binfo->v4l2_index; |
| b->timestamp.tv_sec = binfo->timestamp.tv_sec; |
| b->timestamp.tv_usec = binfo->timestamp.tv_usec; |
| binfo->dequeued = false; |
| for (i = 0; i < binfo->num_planes; ++i) { |
| b->m.planes[i].reserved[0] = binfo->fd[i]; |
| b->m.planes[i].reserved[1] = binfo->buff_off[i]; |
| b->m.planes[i].length = binfo->size[i]; |
| b->m.planes[i].m.userptr = binfo->device_addr[i]; |
| dprintk(VIDC_DBG, "%s %d %d %d %pa\n", __func__, binfo->fd[i], |
| binfo->buff_off[i], binfo->size[i], |
| &binfo->device_addr[i]); |
| } |
| } |
| |
| static struct msm_smem *map_buffer(struct msm_vidc_inst *inst, |
| struct v4l2_plane *p, enum hal_buffer buffer_type) |
| { |
| struct msm_smem *handle = NULL; |
| |
| handle = msm_comm_smem_user_to_kernel(inst, |
| p->reserved[0], |
| p->reserved[1], |
| buffer_type); |
| if (!handle) { |
| dprintk(VIDC_ERR, |
| "%s: Failed to get device buffer address\n", __func__); |
| return NULL; |
| } |
| return handle; |
| } |
| |
| static inline enum hal_buffer get_hal_buffer_type( |
| struct msm_vidc_inst *inst, struct v4l2_buffer *b) |
| { |
| if (b->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) |
| return HAL_BUFFER_INPUT; |
| else if (b->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) |
| return HAL_BUFFER_OUTPUT; |
| else |
| return -EINVAL; |
| } |
| |
| static inline bool is_dynamic_buffer_mode(struct v4l2_buffer *b, |
| struct msm_vidc_inst *inst) |
| { |
| enum vidc_ports port = b->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE ? |
| OUTPUT_PORT : CAPTURE_PORT; |
| return inst->buffer_mode_set[port] == HAL_BUFFER_MODE_DYNAMIC; |
| } |
| |
| |
| static inline void save_v4l2_buffer(struct v4l2_buffer *b, |
| struct buffer_info *binfo) |
| { |
| int i = 0; |
| |
| for (i = 0; i < b->length; ++i) { |
| if (EXTRADATA_IDX(b->length) && |
| (i == EXTRADATA_IDX(b->length)) && |
| !b->m.planes[i].length) { |
| continue; |
| } |
| populate_buf_info(binfo, b, i); |
| } |
| } |
| |
| int map_and_register_buf(struct msm_vidc_inst *inst, struct v4l2_buffer *b) |
| { |
| struct buffer_info *binfo = NULL; |
| struct buffer_info *temp = NULL, *iterator = NULL; |
| int plane = 0; |
| int i = 0, rc = 0; |
| struct msm_smem *same_fd_handle = NULL; |
| |
| if (!b || !inst) { |
| dprintk(VIDC_ERR, "%s: invalid input\n", __func__); |
| return -EINVAL; |
| } |
| |
| binfo = kzalloc(sizeof(*binfo), GFP_KERNEL); |
| if (!binfo) { |
| dprintk(VIDC_ERR, "Out of memory\n"); |
| rc = -ENOMEM; |
| goto exit; |
| } |
| if (b->length > VIDEO_MAX_PLANES) { |
| dprintk(VIDC_ERR, "Num planes exceeds max: %d, %d\n", |
| b->length, VIDEO_MAX_PLANES); |
| rc = -EINVAL; |
| goto exit; |
| } |
| |
| dprintk(VIDC_DBG, "[MAP] Create binfo = %pK fd = %d type = %d\n", |
| binfo, b->m.planes[0].reserved[0], b->type); |
| |
| for (i = 0; i < b->length; ++i) { |
| rc = 0; |
| if (EXTRADATA_IDX(b->length) && |
| (i == EXTRADATA_IDX(b->length)) && |
| !b->m.planes[i].length) { |
| continue; |
| } |
| mutex_lock(&inst->registeredbufs.lock); |
| temp = get_registered_buf(inst, b, i, &plane); |
| if (temp && !is_dynamic_buffer_mode(b, inst)) { |
| dprintk(VIDC_DBG, |
| "This memory region has already been prepared\n"); |
| rc = 0; |
| mutex_unlock(&inst->registeredbufs.lock); |
| goto exit; |
| } |
| |
| if (temp && is_dynamic_buffer_mode(b, inst) && !i) { |
| /* |
| * Buffer is already present in registered list |
| * increment ref_count, populate new values of v4l2 |
| * buffer in existing buffer_info struct. |
| * |
| * We will use the saved buffer info and queue it when |
| * we receive RELEASE_BUFFER_REFERENCE EVENT from f/w. |
| */ |
| dprintk(VIDC_DBG, "[MAP] Buffer already prepared\n"); |
| temp->inactive = false; |
| list_for_each_entry(iterator, |
| &inst->registeredbufs.list, list) { |
| if (iterator == temp) { |
| rc = buf_ref_get(inst, temp); |
| save_v4l2_buffer(b, temp); |
| break; |
| } |
| } |
| } |
| mutex_unlock(&inst->registeredbufs.lock); |
| /* |
| * rc == 1, |
| * buffer is mapped, fw has released all reference, so skip |
| * mapping and queue it immediately. |
| * |
| * rc == 2, |
| * buffer is mapped and fw is holding a reference, hold it in |
| * the driver and queue it later when fw has released |
| */ |
| if (rc == 1) { |
| rc = 0; |
| goto exit; |
| } else if (rc >= 2) { |
| rc = -EEXIST; |
| goto exit; |
| } |
| |
| same_fd_handle = get_same_fd_buffer( |
| inst, b->m.planes[i].reserved[0]); |
| |
| populate_buf_info(binfo, b, i); |
| if (same_fd_handle) { |
| binfo->device_addr[i] = |
| same_fd_handle->device_addr + binfo->buff_off[i]; |
| b->m.planes[i].m.userptr = binfo->device_addr[i]; |
| binfo->mapped[i] = false; |
| binfo->handle[i] = same_fd_handle; |
| } else { |
| binfo->handle[i] = map_buffer(inst, &b->m.planes[i], |
| get_hal_buffer_type(inst, b)); |
| if (!binfo->handle[i]) { |
| rc = -EINVAL; |
| goto exit; |
| } |
| |
| binfo->mapped[i] = true; |
| binfo->device_addr[i] = binfo->handle[i]->device_addr + |
| binfo->buff_off[i]; |
| b->m.planes[i].m.userptr = binfo->device_addr[i]; |
| } |
| |
| /* We maintain one ref count for all planes*/ |
| if (!i && is_dynamic_buffer_mode(b, inst)) { |
| rc = buf_ref_get(inst, binfo); |
| if (rc < 0) |
| goto exit; |
| } |
| dprintk(VIDC_DBG, |
| "%s: [MAP] binfo = %pK, handle[%d] = %pK, device_addr = %pa, fd = %d, offset = %d, mapped = %d\n", |
| __func__, binfo, i, binfo->handle[i], |
| &binfo->device_addr[i], binfo->fd[i], |
| binfo->buff_off[i], binfo->mapped[i]); |
| } |
| |
| mutex_lock(&inst->registeredbufs.lock); |
| list_add_tail(&binfo->list, &inst->registeredbufs.list); |
| mutex_unlock(&inst->registeredbufs.lock); |
| return 0; |
| |
| exit: |
| kfree(binfo); |
| return rc; |
| } |
| int unmap_and_deregister_buf(struct msm_vidc_inst *inst, |
| struct buffer_info *binfo) |
| { |
| int i = 0; |
| struct buffer_info *temp = NULL; |
| bool found = false, keep_node = false; |
| |
| if (!inst || !binfo) { |
| dprintk(VIDC_ERR, "%s invalid param: %pK %pK\n", |
| __func__, inst, binfo); |
| return -EINVAL; |
| } |
| |
| WARN(!mutex_is_locked(&inst->registeredbufs.lock), |
| "Registered buf lock is not acquired for %s", __func__); |
| |
| /* |
| * Make sure the buffer to be unmapped and deleted |
| * from the registered list is present in the list. |
| */ |
| list_for_each_entry(temp, &inst->registeredbufs.list, list) { |
| if (temp == binfo) { |
| found = true; |
| break; |
| } |
| } |
| |
| /* |
| * Free the buffer info only if |
| * - buffer info has not been deleted from registered list |
| * - vidc client has called dqbuf on the buffer |
| * - no references are held on the buffer |
| */ |
| if (!found || !temp || !temp->pending_deletion || !temp->dequeued) |
| goto exit; |
| |
| for (i = 0; i < temp->num_planes; i++) { |
| dprintk(VIDC_DBG, |
| "%s: [UNMAP] binfo = %pK, handle[%d] = %pK, device_addr = %pa, fd = %d, offset = %d, mapped = %d\n", |
| __func__, temp, i, temp->handle[i], |
| &temp->device_addr[i], temp->fd[i], |
| temp->buff_off[i], temp->mapped[i]); |
| /* |
| * Unmap the handle only if the buffer has been mapped and no |
| * other buffer has a reference to this buffer. |
| * In case of buffers with same fd, we will map the buffer only |
| * once and subsequent buffers will refer to the mapped buffer's |
| * device address. |
| * For buffers which share the same fd, do not unmap and keep |
| * the buffer info in registered list. |
| */ |
| if (temp->handle[i] && temp->mapped[i] && |
| !temp->same_fd_ref[i]) { |
| msm_comm_smem_free(inst, |
| temp->handle[i]); |
| } |
| |
| if (temp->same_fd_ref[i]) |
| keep_node = true; |
| else { |
| temp->fd[i] = 0; |
| temp->handle[i] = 0; |
| temp->device_addr[i] = 0; |
| temp->uvaddr[i] = 0; |
| } |
| } |
| if (!keep_node) { |
| dprintk(VIDC_DBG, "[UNMAP] AND-FREED binfo: %pK\n", temp); |
| list_del(&temp->list); |
| kfree(temp); |
| } else { |
| temp->inactive = true; |
| dprintk(VIDC_DBG, "[UNMAP] NOT-FREED binfo: %pK\n", temp); |
| } |
| exit: |
| return 0; |
| } |
| |
| |
| int qbuf_dynamic_buf(struct msm_vidc_inst *inst, |
| struct buffer_info *binfo) |
| { |
| struct v4l2_buffer b = {0}; |
| struct v4l2_plane plane[VIDEO_MAX_PLANES] = { {0} }; |
| struct buf_queue *q = NULL; |
| int rc = 0; |
| |
| if (!binfo) { |
| dprintk(VIDC_ERR, "%s invalid param: %pK\n", __func__, binfo); |
| return -EINVAL; |
| } |
| dprintk(VIDC_DBG, "%s fd[0] = %d\n", __func__, binfo->fd[0]); |
| |
| b.m.planes = plane; |
| repopulate_v4l2_buffer(&b, binfo); |
| |
| q = msm_comm_get_vb2q(inst, (&b)->type); |
| if (!q) { |
| dprintk(VIDC_ERR, "Failed to find buffer queue for type = %d\n" |
| , (&b)->type); |
| return -EINVAL; |
| } |
| |
| mutex_lock(&q->lock); |
| rc = vb2_qbuf(&q->vb2_bufq, &b); |
| mutex_unlock(&q->lock); |
| |
| if (rc) |
| dprintk(VIDC_ERR, "Failed to qbuf, %d\n", rc); |
| return rc; |
| } |
| |
| int output_buffer_cache_invalidate(struct msm_vidc_inst *inst, |
| struct buffer_info *binfo) |
| { |
| int i = 0; |
| int rc = 0; |
| |
| if (!inst) { |
| dprintk(VIDC_ERR, "%s: invalid inst: %pK\n", __func__, inst); |
| return -EINVAL; |
| } |
| |
| if (!binfo) { |
| dprintk(VIDC_ERR, "%s: invalid buffer info: %pK\n", |
| __func__, inst); |
| return -EINVAL; |
| } |
| |
| for (i = 0; i < binfo->num_planes; i++) { |
| if (binfo->handle[i]) { |
| struct msm_smem smem = *binfo->handle[i]; |
| |
| smem.offset = (unsigned int)(binfo->buff_off[i]); |
| smem.size = binfo->size[i]; |
| rc = msm_comm_smem_cache_operations(inst, |
| &smem, SMEM_CACHE_INVALIDATE); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "%s: Failed to clean caches: %d\n", |
| __func__, rc); |
| return -EINVAL; |
| } |
| } else |
| dprintk(VIDC_DBG, "%s: NULL handle for plane %d\n", |
| __func__, i); |
| } |
| return 0; |
| } |
| |
| static bool valid_v4l2_buffer(struct v4l2_buffer *b, |
| struct msm_vidc_inst *inst) { |
| enum vidc_ports port = |
| !V4L2_TYPE_IS_MULTIPLANAR(b->type) ? MAX_PORT_NUM : |
| b->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE ? CAPTURE_PORT : |
| b->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE ? OUTPUT_PORT : |
| MAX_PORT_NUM; |
| |
| return port != MAX_PORT_NUM && |
| inst->bufq[port].num_planes == b->length; |
| } |
| |
| int msm_vidc_release_buffer(void *instance, int buffer_type, |
| unsigned int buffer_index) |
| { |
| struct msm_vidc_inst *inst = instance; |
| struct buffer_info *bi, *dummy; |
| int i, rc = 0; |
| int found_buf = 0; |
| |
| if (!inst) |
| return -EINVAL; |
| |
| if (!inst->in_reconfig && |
| inst->state > MSM_VIDC_LOAD_RESOURCES && |
| inst->state < MSM_VIDC_RELEASE_RESOURCES_DONE) { |
| rc = msm_comm_try_state(inst, MSM_VIDC_RELEASE_RESOURCES_DONE); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "Failed to move inst: %pK to release res done\n", |
| inst); |
| } |
| } |
| |
| mutex_lock(&inst->registeredbufs.lock); |
| list_for_each_entry_safe(bi, dummy, &inst->registeredbufs.list, list) { |
| if (bi->type == buffer_type && bi->v4l2_index == buffer_index) { |
| found_buf = 1; |
| list_del(&bi->list); |
| for (i = 0; i < bi->num_planes; i++) { |
| if (bi->handle[i] && bi->mapped[i]) { |
| dprintk(VIDC_DBG, |
| "%s: [UNMAP] binfo = %pK, handle[%d] = %pK, device_addr = %pa, fd = %d, offset = %d, mapped = %d\n", |
| __func__, bi, i, bi->handle[i], |
| &bi->device_addr[i], bi->fd[i], |
| bi->buff_off[i], bi->mapped[i]); |
| msm_comm_smem_free(inst, |
| bi->handle[i]); |
| found_buf = 2; |
| } |
| } |
| kfree(bi); |
| break; |
| } |
| } |
| mutex_unlock(&inst->registeredbufs.lock); |
| |
| switch (found_buf) { |
| case 0: |
| dprintk(VIDC_WARN, |
| "%s: No buffer(type: %d) found for index %d\n", |
| __func__, buffer_type, buffer_index); |
| break; |
| case 1: |
| dprintk(VIDC_WARN, |
| "%s: Buffer(type: %d) found for index %d.", |
| __func__, buffer_type, buffer_index); |
| dprintk(VIDC_WARN, "zero planes mapped.\n"); |
| break; |
| case 2: |
| dprintk(VIDC_DBG, |
| "%s: Released buffer(type: %d) for index %d\n", |
| __func__, buffer_type, buffer_index); |
| break; |
| default: |
| break; |
| } |
| return rc; |
| } |
| EXPORT_SYMBOL(msm_vidc_release_buffer); |
| |
| int msm_vidc_qbuf(void *instance, struct v4l2_buffer *b) |
| { |
| struct msm_vidc_inst *inst = instance; |
| struct buffer_info *binfo; |
| int plane = 0; |
| int rc = 0; |
| int i; |
| struct buf_queue *q = NULL; |
| |
| if (!inst || !inst->core || !b || !valid_v4l2_buffer(b, inst)) |
| return -EINVAL; |
| |
| if (inst->state == MSM_VIDC_CORE_INVALID || |
| inst->core->state == VIDC_CORE_INVALID) |
| return -EINVAL; |
| |
| rc = map_and_register_buf(inst, b); |
| if (rc == -EEXIST) { |
| if (atomic_read(&inst->in_flush) && |
| is_dynamic_buffer_mode(b, inst)) { |
| dprintk(VIDC_ERR, |
| "Flush in progress, do not hold any buffers in driver\n"); |
| msm_comm_flush_dynamic_buffers(inst); |
| } |
| return 0; |
| } |
| if (rc) |
| return rc; |
| |
| for (i = 0; i < b->length; ++i) { |
| if (EXTRADATA_IDX(b->length) && |
| (i == EXTRADATA_IDX(b->length)) && |
| !b->m.planes[i].length) { |
| b->m.planes[i].m.userptr = 0; |
| continue; |
| } |
| mutex_lock(&inst->registeredbufs.lock); |
| binfo = get_registered_buf(inst, b, i, &plane); |
| mutex_unlock(&inst->registeredbufs.lock); |
| if (!binfo) { |
| dprintk(VIDC_ERR, |
| "This buffer is not registered: %d, %d, %d\n", |
| b->m.planes[i].reserved[0], |
| b->m.planes[i].reserved[1], |
| b->m.planes[i].length); |
| goto err_invalid_buff; |
| } |
| b->m.planes[i].m.userptr = binfo->device_addr[i]; |
| dprintk(VIDC_DBG, "Queueing device address = %pa\n", |
| &binfo->device_addr[i]); |
| |
| if (binfo->handle[i] && |
| (b->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)) { |
| rc = msm_comm_smem_cache_operations(inst, |
| binfo->handle[i], SMEM_CACHE_CLEAN); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "Failed to clean caches: %d\n", rc); |
| goto err_invalid_buff; |
| } |
| } |
| } |
| |
| q = msm_comm_get_vb2q(inst, b->type); |
| if (!q) { |
| dprintk(VIDC_ERR, |
| "Failed to find buffer queue for type = %d\n", b->type); |
| return -EINVAL; |
| } |
| mutex_lock(&q->lock); |
| rc = vb2_qbuf(&q->vb2_bufq, b); |
| mutex_unlock(&q->lock); |
| if (rc) |
| dprintk(VIDC_ERR, "Failed to qbuf, %d\n", rc); |
| return rc; |
| |
| err_invalid_buff: |
| return -EINVAL; |
| } |
| EXPORT_SYMBOL(msm_vidc_qbuf); |
| |
| int msm_vidc_dqbuf(void *instance, struct v4l2_buffer *b) |
| { |
| struct msm_vidc_inst *inst = instance; |
| struct buffer_info *buffer_info = NULL; |
| int i = 0, rc = 0; |
| struct buf_queue *q = NULL; |
| |
| if (!inst || !b || !valid_v4l2_buffer(b, inst)) |
| return -EINVAL; |
| |
| q = msm_comm_get_vb2q(inst, b->type); |
| if (!q) { |
| dprintk(VIDC_ERR, |
| "Failed to find buffer queue for type = %d\n", b->type); |
| return -EINVAL; |
| } |
| mutex_lock(&q->lock); |
| rc = vb2_dqbuf(&q->vb2_bufq, b, true); |
| mutex_unlock(&q->lock); |
| if (rc) { |
| dprintk(VIDC_DBG, "Failed to dqbuf, %d\n", rc); |
| return rc; |
| } |
| |
| for (i = 0; i < b->length; i++) { |
| if (EXTRADATA_IDX(b->length) && |
| i == EXTRADATA_IDX(b->length)) { |
| continue; |
| } |
| buffer_info = device_to_uvaddr(&inst->registeredbufs, |
| b->m.planes[i].m.userptr); |
| |
| if (!buffer_info) { |
| dprintk(VIDC_ERR, |
| "%s no buffer info registered for buffer addr: %#lx\n", |
| __func__, b->m.planes[i].m.userptr); |
| return -EINVAL; |
| } |
| |
| b->m.planes[i].m.userptr = buffer_info->uvaddr[i]; |
| b->m.planes[i].reserved[0] = buffer_info->fd[i]; |
| b->m.planes[i].reserved[1] = buffer_info->buff_off[i]; |
| } |
| |
| if (!buffer_info) { |
| dprintk(VIDC_ERR, |
| "%s: error - no buffer info found in registered list\n", |
| __func__); |
| return -EINVAL; |
| } |
| |
| rc = output_buffer_cache_invalidate(inst, buffer_info); |
| if (rc) |
| return rc; |
| |
| |
| if (is_dynamic_buffer_mode(b, inst)) { |
| buffer_info->dequeued = true; |
| |
| dprintk(VIDC_DBG, "[DEQUEUED]: fd[0] = %d\n", |
| buffer_info->fd[0]); |
| mutex_lock(&inst->registeredbufs.lock); |
| rc = unmap_and_deregister_buf(inst, buffer_info); |
| mutex_unlock(&inst->registeredbufs.lock); |
| } |
| |
| return rc; |
| } |
| EXPORT_SYMBOL(msm_vidc_dqbuf); |
| |
| int msm_vidc_streamon(void *instance, enum v4l2_buf_type i) |
| { |
| struct msm_vidc_inst *inst = instance; |
| int rc = 0; |
| struct buf_queue *q; |
| |
| if (!inst) |
| return -EINVAL; |
| |
| q = msm_comm_get_vb2q(inst, i); |
| if (!q) { |
| dprintk(VIDC_ERR, |
| "Failed to find buffer queue for type = %d\n", i); |
| return -EINVAL; |
| } |
| dprintk(VIDC_DBG, "Calling streamon\n"); |
| mutex_lock(&q->lock); |
| rc = vb2_streamon(&q->vb2_bufq, i); |
| mutex_unlock(&q->lock); |
| if (rc) |
| dprintk(VIDC_ERR, "streamon failed on port: %d\n", i); |
| return rc; |
| } |
| EXPORT_SYMBOL(msm_vidc_streamon); |
| |
| int msm_vidc_streamoff(void *instance, enum v4l2_buf_type i) |
| { |
| struct msm_vidc_inst *inst = instance; |
| int rc = 0; |
| struct buf_queue *q; |
| |
| if (!inst) |
| return -EINVAL; |
| |
| q = msm_comm_get_vb2q(inst, i); |
| if (!q) { |
| dprintk(VIDC_ERR, |
| "Failed to find buffer queue for type = %d\n", i); |
| return -EINVAL; |
| } |
| dprintk(VIDC_DBG, "Calling streamoff\n"); |
| mutex_lock(&q->lock); |
| rc = vb2_streamoff(&q->vb2_bufq, i); |
| mutex_unlock(&q->lock); |
| if (rc) |
| dprintk(VIDC_ERR, "streamoff failed on port: %d\n", i); |
| return rc; |
| } |
| EXPORT_SYMBOL(msm_vidc_streamoff); |
| |
| int msm_vidc_enum_framesizes(void *instance, struct v4l2_frmsizeenum *fsize) |
| { |
| struct msm_vidc_inst *inst = instance; |
| struct msm_vidc_capability *capability = NULL; |
| |
| if (!inst || !fsize) { |
| dprintk(VIDC_ERR, "%s: invalid parameter: %pK %pK\n", |
| __func__, inst, fsize); |
| return -EINVAL; |
| } |
| if (!inst->core) |
| return -EINVAL; |
| |
| capability = &inst->capability; |
| fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; |
| fsize->stepwise.min_width = capability->width.min; |
| fsize->stepwise.max_width = capability->width.max; |
| fsize->stepwise.step_width = capability->width.step_size; |
| fsize->stepwise.min_height = capability->height.min; |
| fsize->stepwise.max_height = capability->height.max; |
| fsize->stepwise.step_height = capability->height.step_size; |
| return 0; |
| } |
| EXPORT_SYMBOL(msm_vidc_enum_framesizes); |
| |
| static void *vidc_get_userptr(struct device *dev, unsigned long vaddr, |
| unsigned long size, enum dma_data_direction dma_dir) |
| { |
| return (void *)0xdeadbeef; |
| } |
| |
| static void vidc_put_userptr(void *buf_priv) |
| { |
| } |
| |
| static const struct vb2_mem_ops msm_vidc_vb2_mem_ops = { |
| .get_userptr = vidc_get_userptr, |
| .put_userptr = vidc_put_userptr, |
| }; |
| |
| static void msm_vidc_cleanup_buffer(struct vb2_buffer *vb) |
| { |
| int rc = 0; |
| struct buf_queue *q = NULL; |
| struct msm_vidc_inst *inst = NULL; |
| |
| if (!vb) { |
| dprintk(VIDC_ERR, "%s : Invalid vb pointer %pK", |
| __func__, vb); |
| return; |
| } |
| |
| inst = vb2_get_drv_priv(vb->vb2_queue); |
| if (!inst) { |
| dprintk(VIDC_ERR, "%s : Invalid inst pointer", |
| __func__); |
| return; |
| } |
| |
| q = msm_comm_get_vb2q(inst, vb->type); |
| if (!q) { |
| dprintk(VIDC_ERR, |
| "%s : Failed to find buffer queue for type = %d\n", |
| __func__, vb->type); |
| return; |
| } |
| |
| if (q->vb2_bufq.streaming) { |
| dprintk(VIDC_DBG, "%d PORT is streaming\n", |
| vb->type); |
| return; |
| } |
| |
| rc = msm_vidc_release_buffer(inst, vb->type, vb->index); |
| if (rc) |
| dprintk(VIDC_ERR, "%s : Failed to release buffers : %d\n", |
| __func__, rc); |
| } |
| |
| static int set_buffer_count(struct msm_vidc_inst *inst, |
| int host_count, int act_count, enum hal_buffer type) |
| { |
| int rc = 0; |
| struct hfi_device *hdev; |
| struct hal_buffer_count_actual buf_count; |
| |
| hdev = inst->core->device; |
| |
| buf_count.buffer_type = type; |
| buf_count.buffer_count_actual = act_count; |
| buf_count.buffer_count_min_host = host_count; |
| dprintk(VIDC_DBG, "%s : Act count = %d Host count = %d\n", |
| __func__, act_count, host_count); |
| rc = call_hfi_op(hdev, session_set_property, |
| inst->session, HAL_PARAM_BUFFER_COUNT_ACTUAL, &buf_count); |
| if (rc) |
| dprintk(VIDC_ERR, |
| "Failed to set actual buffer count %d for buffer type %d\n", |
| act_count, type); |
| return rc; |
| } |
| |
| static int msm_vidc_queue_setup(struct vb2_queue *q, |
| unsigned int *num_buffers, unsigned int *num_planes, |
| unsigned int sizes[], struct device *alloc_devs[]) |
| { |
| struct msm_vidc_inst *inst; |
| int i, rc = 0; |
| struct hal_buffer_requirements *bufreq; |
| enum hal_buffer buffer_type; |
| |
| if (!q || !num_buffers || !num_planes |
| || !sizes || !q->drv_priv) { |
| dprintk(VIDC_ERR, "Invalid input, q = %pK, %pK, %pK\n", |
| q, num_buffers, num_planes); |
| return -EINVAL; |
| } |
| inst = q->drv_priv; |
| |
| if (!inst || !inst->core || !inst->core->device) { |
| dprintk(VIDC_ERR, "%s invalid parameters\n", __func__); |
| return -EINVAL; |
| } |
| |
| switch (q->type) { |
| case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: { |
| bufreq = get_buff_req_buffer(inst, |
| HAL_BUFFER_INPUT); |
| if (!bufreq) { |
| dprintk(VIDC_ERR, |
| "Failed : No buffer requirements : %x\n", |
| HAL_BUFFER_INPUT); |
| return -EINVAL; |
| } |
| if (*num_buffers < bufreq->buffer_count_min_host) { |
| dprintk(VIDC_ERR, |
| "Invalid parameters : Req = %d Act = %d\n", |
| *num_buffers, bufreq->buffer_count_min_host); |
| return -EINVAL; |
| } |
| *num_planes = inst->bufq[OUTPUT_PORT].num_planes; |
| if (*num_buffers < MIN_NUM_OUTPUT_BUFFERS || |
| *num_buffers > MAX_NUM_OUTPUT_BUFFERS) |
| bufreq->buffer_count_actual = *num_buffers = |
| MIN_NUM_OUTPUT_BUFFERS; |
| for (i = 0; i < *num_planes; i++) |
| sizes[i] = inst->bufq[OUTPUT_PORT].plane_sizes[i]; |
| |
| bufreq->buffer_count_actual = *num_buffers; |
| rc = set_buffer_count(inst, bufreq->buffer_count_actual, |
| *num_buffers, HAL_BUFFER_INPUT); |
| } |
| |
| break; |
| case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: { |
| buffer_type = msm_comm_get_hal_output_buffer(inst); |
| bufreq = get_buff_req_buffer(inst, |
| buffer_type); |
| if (!bufreq) { |
| dprintk(VIDC_ERR, |
| "Failed : No buffer requirements : %x\n", |
| buffer_type); |
| return -EINVAL; |
| } |
| if (inst->session_type != MSM_VIDC_DECODER && |
| inst->state > MSM_VIDC_LOAD_RESOURCES_DONE) { |
| if (*num_buffers < bufreq->buffer_count_min_host) { |
| dprintk(VIDC_ERR, |
| "Invalid parameters : Req = %d Act = %d\n", |
| *num_buffers, |
| bufreq->buffer_count_min_host); |
| return -EINVAL; |
| } |
| } |
| *num_planes = inst->bufq[CAPTURE_PORT].num_planes; |
| if (*num_buffers < MIN_NUM_CAPTURE_BUFFERS || |
| *num_buffers > MAX_NUM_CAPTURE_BUFFERS) |
| bufreq->buffer_count_actual = *num_buffers = |
| MIN_NUM_CAPTURE_BUFFERS; |
| |
| for (i = 0; i < *num_planes; i++) |
| sizes[i] = inst->bufq[CAPTURE_PORT].plane_sizes[i]; |
| |
| bufreq->buffer_count_actual = *num_buffers; |
| rc = set_buffer_count(inst, bufreq->buffer_count_actual, |
| *num_buffers, buffer_type); |
| } |
| break; |
| default: |
| dprintk(VIDC_ERR, "Invalid q type = %d\n", q->type); |
| rc = -EINVAL; |
| break; |
| } |
| return rc; |
| } |
| |
| static inline int msm_vidc_verify_buffer_counts(struct msm_vidc_inst *inst) |
| { |
| int rc = 0, i = 0; |
| |
| /* For decoder No need to sanity till LOAD_RESOURCES */ |
| if (inst->session_type == MSM_VIDC_DECODER && |
| inst->state < MSM_VIDC_LOAD_RESOURCES_DONE) { |
| dprintk(VIDC_DBG, |
| "No need to verify buffer counts : %pK\n", inst); |
| return 0; |
| } |
| |
| for (i = 0; i < HAL_BUFFER_MAX; i++) { |
| struct hal_buffer_requirements *req = &inst->buff_req.buffer[i]; |
| |
| if (req && (msm_comm_get_hal_output_buffer(inst) == |
| req->buffer_type)) { |
| dprintk(VIDC_DBG, "Verifying Buffer : %d\n", |
| req->buffer_type); |
| if (req->buffer_count_actual < |
| req->buffer_count_min_host || |
| req->buffer_count_min_host < |
| req->buffer_count_min) { |
| |
| dprintk(VIDC_ERR, |
| "Invalid data : Counts mismatch\n"); |
| dprintk(VIDC_ERR, |
| "Min Count = %d ", |
| req->buffer_count_min); |
| dprintk(VIDC_ERR, |
| "Min Host Count = %d ", |
| req->buffer_count_min_host); |
| dprintk(VIDC_ERR, |
| "Min Actual Count = %d\n", |
| req->buffer_count_actual); |
| rc = -EINVAL; |
| break; |
| } |
| } |
| } |
| return rc; |
| } |
| |
| static inline int start_streaming(struct msm_vidc_inst *inst) |
| { |
| int rc = 0; |
| struct hfi_device *hdev; |
| struct hal_buffer_size_minimum b; |
| struct vb2_buf_entry *temp, *next; |
| |
| hdev = inst->core->device; |
| |
| /* Check if current session is under HW capability */ |
| rc = msm_vidc_check_session_supported(inst); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "This session is not supported %pK\n", inst); |
| goto fail_start; |
| } |
| |
| /* Decide work mode for current session */ |
| rc = msm_vidc_decide_work_mode(inst); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "Failed to decide work mode for session %pK\n", inst); |
| goto fail_start; |
| } |
| |
| /* Assign Core and LP mode for current session */ |
| rc = msm_vidc_decide_core_and_power_mode(inst); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "This session can't be submitted to HW %pK\n", inst); |
| goto fail_start; |
| } |
| |
| if (msm_comm_get_stream_output_mode(inst) == |
| HAL_VIDEO_DECODER_SECONDARY) { |
| b.buffer_type = HAL_BUFFER_OUTPUT2; |
| } else { |
| b.buffer_type = HAL_BUFFER_OUTPUT; |
| } |
| |
| b.buffer_size = inst->bufq[CAPTURE_PORT].plane_sizes[0]; |
| rc = call_hfi_op(hdev, session_set_property, |
| inst->session, HAL_PARAM_BUFFER_SIZE_MINIMUM, |
| &b); |
| |
| rc = msm_comm_try_get_bufreqs(inst); |
| |
| /* Verify if buffer counts are correct */ |
| rc = msm_vidc_verify_buffer_counts(inst); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "This session has mis-match buffer counts%pK\n", inst); |
| goto fail_start; |
| } |
| |
| rc = msm_comm_set_scratch_buffers(inst); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "Failed to set scratch buffers: %d\n", rc); |
| goto fail_start; |
| } |
| rc = msm_comm_set_persist_buffers(inst); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "Failed to set persist buffers: %d\n", rc); |
| goto fail_start; |
| } |
| |
| if (msm_comm_get_stream_output_mode(inst) == |
| HAL_VIDEO_DECODER_SECONDARY) { |
| rc = msm_comm_set_output_buffers(inst); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "Failed to set output buffers: %d\n", rc); |
| goto fail_start; |
| } |
| } |
| |
| /* |
| * For seq_changed_insufficient, driver should set session_continue |
| * to firmware after the following sequence |
| * - driver raises insufficient event to v4l2 client |
| * - all output buffers have been flushed and freed |
| * - v4l2 client queries buffer requirements and splits/combines OPB-DPB |
| * - v4l2 client sets new set of buffers to firmware |
| * - v4l2 client issues CONTINUE to firmware to resume decoding of |
| * submitted ETBs. |
| */ |
| rc = msm_comm_session_continue(inst); |
| if (rc) |
| goto fail_start; |
| |
| msm_comm_scale_clocks_and_bus(inst); |
| |
| rc = msm_comm_try_state(inst, MSM_VIDC_START_DONE); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "Failed to move inst: %pK to start done state\n", inst); |
| goto fail_start; |
| } |
| |
| msm_clock_data_reset(inst); |
| |
| if (msm_comm_get_stream_output_mode(inst) == |
| HAL_VIDEO_DECODER_SECONDARY) { |
| rc = msm_comm_queue_output_buffers(inst); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "Failed to queue output buffers: %d\n", rc); |
| goto fail_start; |
| } |
| } |
| |
| fail_start: |
| if (rc) { |
| mutex_lock(&inst->pendingq.lock); |
| list_for_each_entry_safe(temp, next, &inst->pendingq.list, |
| list) { |
| vb2_buffer_done(temp->vb, |
| VB2_BUF_STATE_QUEUED); |
| list_del(&temp->list); |
| kfree(temp); |
| } |
| mutex_unlock(&inst->pendingq.lock); |
| } |
| return rc; |
| } |
| |
| static int msm_vidc_start_streaming(struct vb2_queue *q, unsigned int count) |
| { |
| struct msm_vidc_inst *inst; |
| int rc = 0; |
| struct hfi_device *hdev; |
| |
| if (!q || !q->drv_priv) { |
| dprintk(VIDC_ERR, "Invalid input, q = %pK\n", q); |
| return -EINVAL; |
| } |
| inst = q->drv_priv; |
| if (!inst || !inst->core || !inst->core->device) { |
| dprintk(VIDC_ERR, "%s invalid parameters\n", __func__); |
| return -EINVAL; |
| } |
| hdev = inst->core->device; |
| dprintk(VIDC_DBG, "Streamon called on: %d capability for inst: %pK\n", |
| q->type, inst); |
| switch (q->type) { |
| case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
| if (inst->bufq[CAPTURE_PORT].vb2_bufq.streaming) |
| rc = start_streaming(inst); |
| break; |
| case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
| if (inst->bufq[OUTPUT_PORT].vb2_bufq.streaming) |
| rc = start_streaming(inst); |
| break; |
| default: |
| dprintk(VIDC_ERR, "Queue type is not supported: %d\n", q->type); |
| rc = -EINVAL; |
| goto stream_start_failed; |
| } |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "Streamon failed on: %d capability for inst: %pK\n", |
| q->type, inst); |
| goto stream_start_failed; |
| } |
| |
| rc = msm_comm_qbuf(inst, NULL); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "Failed to commit buffers queued before STREAM_ON to hardware: %d\n", |
| rc); |
| goto stream_start_failed; |
| } |
| |
| stream_start_failed: |
| return rc; |
| } |
| |
| static inline int stop_streaming(struct msm_vidc_inst *inst) |
| { |
| int rc = 0; |
| |
| rc = msm_comm_try_state(inst, MSM_VIDC_RELEASE_RESOURCES_DONE); |
| if (rc) |
| dprintk(VIDC_ERR, |
| "Failed to move inst: %pK to state %d\n", |
| inst, MSM_VIDC_RELEASE_RESOURCES_DONE); |
| |
| msm_clock_data_reset(inst); |
| |
| return rc; |
| } |
| |
| static void msm_vidc_stop_streaming(struct vb2_queue *q) |
| { |
| struct msm_vidc_inst *inst; |
| int rc = 0; |
| |
| if (!q || !q->drv_priv) { |
| dprintk(VIDC_ERR, "Invalid input, q = %pK\n", q); |
| return; |
| } |
| |
| inst = q->drv_priv; |
| dprintk(VIDC_DBG, "Streamoff called on: %d capability\n", q->type); |
| switch (q->type) { |
| case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
| if (!inst->bufq[CAPTURE_PORT].vb2_bufq.streaming) |
| rc = stop_streaming(inst); |
| break; |
| case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
| if (!inst->bufq[OUTPUT_PORT].vb2_bufq.streaming) |
| rc = stop_streaming(inst); |
| break; |
| default: |
| dprintk(VIDC_ERR, |
| "Q-type is not supported: %d\n", q->type); |
| rc = -EINVAL; |
| break; |
| } |
| |
| msm_comm_scale_clocks_and_bus(inst); |
| |
| if (rc) |
| dprintk(VIDC_ERR, |
| "Failed STOP Streaming inst = %pK on cap = %d\n", |
| inst, q->type); |
| } |
| |
| static void msm_vidc_buf_queue(struct vb2_buffer *vb) |
| { |
| int rc = msm_comm_qbuf(vb2_get_drv_priv(vb->vb2_queue), vb); |
| |
| if (rc) |
| dprintk(VIDC_ERR, "Failed to queue buffer: %d\n", rc); |
| } |
| |
| static const struct vb2_ops msm_vidc_vb2q_ops = { |
| .queue_setup = msm_vidc_queue_setup, |
| .start_streaming = msm_vidc_start_streaming, |
| .buf_queue = msm_vidc_buf_queue, |
| .buf_cleanup = msm_vidc_cleanup_buffer, |
| .stop_streaming = msm_vidc_stop_streaming, |
| }; |
| |
| static inline int vb2_bufq_init(struct msm_vidc_inst *inst, |
| enum v4l2_buf_type type, enum session_type sess) |
| { |
| struct vb2_queue *q = NULL; |
| |
| if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { |
| q = &inst->bufq[CAPTURE_PORT].vb2_bufq; |
| } else if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { |
| q = &inst->bufq[OUTPUT_PORT].vb2_bufq; |
| } else { |
| dprintk(VIDC_ERR, "buf_type = %d not recognised\n", type); |
| return -EINVAL; |
| } |
| |
| q->type = type; |
| q->io_modes = VB2_MMAP | VB2_USERPTR; |
| q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; |
| q->ops = &msm_vidc_vb2q_ops; |
| |
| q->mem_ops = &msm_vidc_vb2_mem_ops; |
| q->drv_priv = inst; |
| q->allow_zero_bytesused = 1; |
| q->copy_timestamp = 1; |
| return vb2_queue_init(q); |
| } |
| |
| static int setup_event_queue(void *inst, |
| struct video_device *pvdev) |
| { |
| int rc = 0; |
| struct msm_vidc_inst *vidc_inst = (struct msm_vidc_inst *)inst; |
| |
| v4l2_fh_init(&vidc_inst->event_handler, pvdev); |
| v4l2_fh_add(&vidc_inst->event_handler); |
| |
| return rc; |
| } |
| |
| int msm_vidc_subscribe_event(void *inst, |
| const struct v4l2_event_subscription *sub) |
| { |
| int rc = 0; |
| struct msm_vidc_inst *vidc_inst = (struct msm_vidc_inst *)inst; |
| |
| if (!inst || !sub) |
| return -EINVAL; |
| |
| rc = v4l2_event_subscribe(&vidc_inst->event_handler, |
| sub, MAX_EVENTS, NULL); |
| return rc; |
| } |
| EXPORT_SYMBOL(msm_vidc_subscribe_event); |
| |
| int msm_vidc_unsubscribe_event(void *inst, |
| const struct v4l2_event_subscription *sub) |
| { |
| int rc = 0; |
| struct msm_vidc_inst *vidc_inst = (struct msm_vidc_inst *)inst; |
| |
| if (!inst || !sub) |
| return -EINVAL; |
| |
| rc = v4l2_event_unsubscribe(&vidc_inst->event_handler, sub); |
| return rc; |
| } |
| EXPORT_SYMBOL(msm_vidc_unsubscribe_event); |
| |
| int msm_vidc_dqevent(void *inst, struct v4l2_event *event) |
| { |
| int rc = 0; |
| struct msm_vidc_inst *vidc_inst = (struct msm_vidc_inst *)inst; |
| |
| if (!inst || !event) |
| return -EINVAL; |
| |
| rc = v4l2_event_dequeue(&vidc_inst->event_handler, event, false); |
| return rc; |
| } |
| EXPORT_SYMBOL(msm_vidc_dqevent); |
| |
| static bool msm_vidc_check_for_inst_overload(struct msm_vidc_core *core) |
| { |
| u32 instance_count = 0; |
| u32 secure_instance_count = 0; |
| struct msm_vidc_inst *inst = NULL; |
| bool overload = false; |
| |
| mutex_lock(&core->lock); |
| list_for_each_entry(inst, &core->instances, list) { |
| instance_count++; |
| /* This flag is not updated yet for the current instance */ |
| if (inst->flags & VIDC_SECURE) |
| secure_instance_count++; |
| } |
| mutex_unlock(&core->lock); |
| |
| /* Instance count includes current instance as well. */ |
| |
| if ((instance_count > core->resources.max_inst_count) || |
| (secure_instance_count > core->resources.max_secure_inst_count)) |
| overload = true; |
| return overload; |
| } |
| |
| static int msm_vidc_try_set_ctrl(void *instance, struct v4l2_ctrl *ctrl) |
| { |
| struct msm_vidc_inst *inst = instance; |
| |
| if (inst->session_type == MSM_VIDC_DECODER) |
| return msm_vdec_s_ctrl(instance, ctrl); |
| else if (inst->session_type == MSM_VIDC_ENCODER) |
| return msm_venc_s_ctrl(instance, ctrl); |
| return -EINVAL; |
| } |
| |
| static int msm_vidc_op_s_ctrl(struct v4l2_ctrl *ctrl) |
| { |
| |
| int rc = 0, c = 0; |
| struct msm_vidc_inst *inst; |
| |
| if (!ctrl) { |
| dprintk(VIDC_ERR, "%s invalid parameters for ctrl\n", __func__); |
| return -EINVAL; |
| } |
| |
| inst = container_of(ctrl->handler, |
| struct msm_vidc_inst, ctrl_handler); |
| if (!inst) { |
| dprintk(VIDC_ERR, "%s invalid parameters for inst\n", __func__); |
| return -EINVAL; |
| } |
| |
| for (c = 0; c < ctrl->ncontrols; ++c) { |
| if (ctrl->cluster[c]->is_new) { |
| rc = msm_vidc_try_set_ctrl(inst, ctrl->cluster[c]); |
| if (rc) { |
| dprintk(VIDC_ERR, "Failed setting %x\n", |
| ctrl->cluster[c]->id); |
| break; |
| } |
| } |
| } |
| if (rc) |
| dprintk(VIDC_ERR, "Failed setting control: Inst = %pK (%s)\n", |
| inst, v4l2_ctrl_get_name(ctrl->id)); |
| return rc; |
| } |
| |
| static int set_actual_buffer_count(struct msm_vidc_inst *inst, |
| int count, enum hal_buffer type) |
| { |
| int rc = 0; |
| struct hfi_device *hdev; |
| struct hal_buffer_count_actual buf_count; |
| |
| hdev = inst->core->device; |
| |
| buf_count.buffer_type = type; |
| buf_count.buffer_count_min_host = count; |
| buf_count.buffer_count_actual = count; |
| rc = call_hfi_op(hdev, session_set_property, |
| inst->session, HAL_PARAM_BUFFER_COUNT_ACTUAL, |
| &buf_count); |
| if (rc) |
| dprintk(VIDC_ERR, |
| "Failed to set actual count %d for buffer type %d\n", |
| count, type); |
| return rc; |
| } |
| |
| |
| static int msm_vidc_get_count(struct msm_vidc_inst *inst, |
| struct v4l2_ctrl *ctrl) |
| { |
| int rc = 0; |
| struct hal_buffer_requirements *bufreq, *newreq; |
| enum hal_buffer buffer_type; |
| |
| if (ctrl->id == V4L2_CID_MIN_BUFFERS_FOR_OUTPUT) { |
| bufreq = get_buff_req_buffer(inst, HAL_BUFFER_INPUT); |
| if (!bufreq) { |
| dprintk(VIDC_ERR, |
| "Failed to find bufreqs for buffer type = %d\n", |
| HAL_BUFFER_INPUT); |
| return 0; |
| } |
| if (inst->bufq[OUTPUT_PORT].vb2_bufq.streaming) { |
| ctrl->val = bufreq->buffer_count_min_host; |
| return 0; |
| } |
| if (ctrl->val > bufreq->buffer_count_min_host) { |
| dprintk(VIDC_DBG, |
| "Buffer count Host changed from %d to %d\n", |
| bufreq->buffer_count_min_host, |
| ctrl->val); |
| bufreq->buffer_count_min_host = ctrl->val; |
| } else { |
| ctrl->val = bufreq->buffer_count_min_host; |
| } |
| rc = set_actual_buffer_count(inst, |
| bufreq->buffer_count_min_host, |
| HAL_BUFFER_INPUT); |
| return rc; |
| |
| } else if (ctrl->id == V4L2_CID_MIN_BUFFERS_FOR_CAPTURE) { |
| |
| buffer_type = msm_comm_get_hal_output_buffer(inst); |
| bufreq = get_buff_req_buffer(inst, |
| buffer_type); |
| if (!bufreq) { |
| dprintk(VIDC_ERR, |
| "Failed to find bufreqs for buffer type = %d\n", |
| buffer_type); |
| return 0; |
| } |
| if (inst->bufq[CAPTURE_PORT].vb2_bufq.streaming) { |
| if (ctrl->val != bufreq->buffer_count_min_host) |
| return -EINVAL; |
| else |
| return 0; |
| } |
| |
| |
| if (inst->in_reconfig) { |
| rc = msm_comm_try_get_bufreqs(inst); |
| newreq = get_buff_req_buffer(inst, |
| buffer_type); |
| if (!newreq) { |
| dprintk(VIDC_ERR, |
| "Failed to find new bufreqs = %d\n", |
| buffer_type); |
| return 0; |
| } |
| ctrl->val = newreq->buffer_count_min; |
| } |
| if (inst->session_type == MSM_VIDC_DECODER && |
| !inst->in_reconfig && |
| inst->state < MSM_VIDC_LOAD_RESOURCES_DONE) { |
| dprintk(VIDC_DBG, |
| "Clients updates Buffer count from %d to %d\n", |
| bufreq->buffer_count_min_host, ctrl->val); |
| bufreq->buffer_count_min_host = ctrl->val; |
| } |
| if (ctrl->val > bufreq->buffer_count_min_host) { |
| dprintk(VIDC_DBG, |
| "Buffer count Host changed from %d to %d\n", |
| bufreq->buffer_count_min_host, |
| ctrl->val); |
| bufreq->buffer_count_min_host = ctrl->val; |
| } else { |
| ctrl->val = bufreq->buffer_count_min_host; |
| } |
| rc = set_actual_buffer_count(inst, |
| bufreq->buffer_count_min_host, |
| HAL_BUFFER_OUTPUT); |
| |
| return rc; |
| } |
| return -EINVAL; |
| } |
| |
| static int try_get_ctrl(struct msm_vidc_inst *inst, struct v4l2_ctrl *ctrl) |
| { |
| int rc = 0; |
| struct hal_buffer_requirements *bufreq = NULL; |
| enum hal_buffer buffer_type; |
| |
| switch (ctrl->id) { |
| |
| case V4L2_CID_MPEG_VIDEO_H264_PROFILE: |
| case V4L2_CID_MPEG_VIDC_VIDEO_MPEG2_PROFILE: |
| case V4L2_CID_MPEG_VIDC_VIDEO_HEVC_PROFILE: |
| ctrl->val = inst->profile; |
| break; |
| |
| case V4L2_CID_MPEG_VIDEO_H264_LEVEL: |
| case V4L2_CID_MPEG_VIDC_VIDEO_VP8_PROFILE_LEVEL: |
| case V4L2_CID_MPEG_VIDC_VIDEO_MPEG2_LEVEL: |
| case V4L2_CID_MPEG_VIDC_VIDEO_HEVC_TIER_LEVEL: |
| ctrl->val = inst->level; |
| break; |
| |
| case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE: |
| ctrl->val = inst->entropy_mode; |
| break; |
| |
| case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: |
| if (inst->in_reconfig) |
| msm_comm_try_get_bufreqs(inst); |
| |
| buffer_type = msm_comm_get_hal_output_buffer(inst); |
| bufreq = get_buff_req_buffer(inst, |
| buffer_type); |
| if (!bufreq) { |
| dprintk(VIDC_ERR, |
| "Failed to find bufreqs for buffer type = %d\n", |
| buffer_type); |
| return -EINVAL; |
| } |
| ctrl->val = bufreq->buffer_count_min_host; |
| break; |
| case V4L2_CID_MIN_BUFFERS_FOR_OUTPUT: |
| bufreq = get_buff_req_buffer(inst, HAL_BUFFER_INPUT); |
| if (!bufreq) { |
| dprintk(VIDC_ERR, |
| "Failed to find bufreqs for buffer type = %d\n", |
| HAL_BUFFER_INPUT); |
| return -EINVAL; |
| } |
| ctrl->val = bufreq->buffer_count_min_host; |
| break; |
| default: |
| /* |
| * Other controls aren't really volatile, shouldn't need to |
| * modify ctrl->value |
| */ |
| break; |
| } |
| |
| return rc; |
| } |
| |
| static int msm_vidc_op_g_volatile_ctrl(struct v4l2_ctrl *ctrl) |
| { |
| int rc = 0, c = 0; |
| struct msm_vidc_inst *inst; |
| struct v4l2_ctrl *master; |
| |
| if (!ctrl) { |
| dprintk(VIDC_ERR, "%s invalid parameters for ctrl\n", __func__); |
| return -EINVAL; |
| } |
| |
| inst = container_of(ctrl->handler, |
| struct msm_vidc_inst, ctrl_handler); |
| if (!inst) { |
| dprintk(VIDC_ERR, "%s invalid parameters for inst\n", __func__); |
| return -EINVAL; |
| } |
| master = ctrl->cluster[0]; |
| if (!master) { |
| dprintk(VIDC_ERR, "%s invalid parameters for master\n", |
| __func__); |
| return -EINVAL; |
| } |
| |
| for (c = 0; c < master->ncontrols; ++c) { |
| if (master->cluster[c]->flags & V4L2_CTRL_FLAG_VOLATILE) { |
| rc = try_get_ctrl(inst, master->cluster[c]); |
| if (rc) { |
| dprintk(VIDC_ERR, "Failed getting %x\n", |
| master->cluster[c]->id); |
| return rc; |
| } |
| } |
| } |
| if (rc) |
| dprintk(VIDC_ERR, "Failed getting control: Inst = %pK (%s)\n", |
| inst, v4l2_ctrl_get_name(ctrl->id)); |
| return rc; |
| } |
| |
| static const struct v4l2_ctrl_ops msm_vidc_ctrl_ops = { |
| |
| .s_ctrl = msm_vidc_op_s_ctrl, |
| .g_volatile_ctrl = msm_vidc_op_g_volatile_ctrl, |
| }; |
| |
| void *msm_vidc_open(int core_id, int session_type) |
| { |
| struct msm_vidc_inst *inst = NULL; |
| struct msm_vidc_core *core = NULL; |
| int rc = 0; |
| int i = 0; |
| |
| if (core_id >= MSM_VIDC_CORES_MAX || |
| session_type >= MSM_VIDC_MAX_DEVICES) { |
| dprintk(VIDC_ERR, "Invalid input, core_id = %d, session = %d\n", |
| core_id, session_type); |
| goto err_invalid_core; |
| } |
| core = get_vidc_core(core_id); |
| if (!core) { |
| dprintk(VIDC_ERR, |
| "Failed to find core for core_id = %d\n", core_id); |
| goto err_invalid_core; |
| } |
| |
| inst = kzalloc(sizeof(*inst), GFP_KERNEL); |
| if (!inst) { |
| dprintk(VIDC_ERR, "Failed to allocate memory\n"); |
| rc = -ENOMEM; |
| goto err_invalid_core; |
| } |
| |
| pr_info(VIDC_DBG_TAG "Opening video instance: %pK, %d\n", |
| VIDC_MSG_PRIO2STRING(VIDC_INFO), inst, session_type); |
| mutex_init(&inst->sync_lock); |
| mutex_init(&inst->bufq[CAPTURE_PORT].lock); |
| mutex_init(&inst->bufq[OUTPUT_PORT].lock); |
| mutex_init(&inst->lock); |
| |
| INIT_MSM_VIDC_LIST(&inst->pendingq); |
| INIT_MSM_VIDC_LIST(&inst->scratchbufs); |
| INIT_MSM_VIDC_LIST(&inst->freqs); |
| INIT_MSM_VIDC_LIST(&inst->persistbufs); |
| INIT_MSM_VIDC_LIST(&inst->pending_getpropq); |
| INIT_MSM_VIDC_LIST(&inst->outputbufs); |
| INIT_MSM_VIDC_LIST(&inst->registeredbufs); |
| |
| kref_init(&inst->kref); |
| |
| inst->session_type = session_type; |
| inst->state = MSM_VIDC_CORE_UNINIT_DONE; |
| inst->core = core; |
| inst->clk_data.min_freq = 0; |
| inst->clk_data.curr_freq = 0; |
| inst->clk_data.bitrate = 0; |
| inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; |
| inst->bit_depth = MSM_VIDC_BIT_DEPTH_8; |
| inst->pic_struct = MSM_VIDC_PIC_STRUCT_PROGRESSIVE; |
| inst->colour_space = MSM_VIDC_BT601_6_525; |
| inst->profile = V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE; |
| inst->level = V4L2_MPEG_VIDEO_H264_LEVEL_1_0; |
| inst->entropy_mode = V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC; |
| |
| for (i = SESSION_MSG_INDEX(SESSION_MSG_START); |
| i <= SESSION_MSG_INDEX(SESSION_MSG_END); i++) { |
| init_completion(&inst->completions[i]); |
| } |
| inst->mem_client = msm_smem_new_client(SMEM_ION, |
| &inst->core->resources, session_type); |
| if (!inst->mem_client) { |
| dprintk(VIDC_ERR, "Failed to create memory client\n"); |
| goto fail_mem_client; |
| } |
| |
| if (session_type == MSM_VIDC_DECODER) { |
| msm_vdec_inst_init(inst); |
| rc = msm_vdec_ctrl_init(inst, &msm_vidc_ctrl_ops); |
| } else if (session_type == MSM_VIDC_ENCODER) { |
| msm_venc_inst_init(inst); |
| rc = msm_venc_ctrl_init(inst, &msm_vidc_ctrl_ops); |
| } |
| |
| if (rc) |
| goto fail_bufq_capture; |
| |
| rc = vb2_bufq_init(inst, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, |
| session_type); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "Failed to initialize vb2 queue on capture port\n"); |
| goto fail_bufq_capture; |
| } |
| rc = vb2_bufq_init(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, |
| session_type); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "Failed to initialize vb2 queue on capture port\n"); |
| goto fail_bufq_output; |
| } |
| |
| setup_event_queue(inst, &core->vdev[session_type].vdev); |
| |
| mutex_lock(&core->lock); |
| list_add_tail(&inst->list, &core->instances); |
| mutex_unlock(&core->lock); |
| |
| rc = msm_comm_try_state(inst, MSM_VIDC_CORE_INIT_DONE); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "Failed to move video instance to init state\n"); |
| goto fail_init; |
| } |
| |
| msm_dcvs_try_enable(inst); |
| if (msm_vidc_check_for_inst_overload(core)) { |
| dprintk(VIDC_ERR, |
| "Instance count reached Max limit, rejecting session"); |
| goto fail_init; |
| } |
| |
| msm_comm_scale_clocks_and_bus(inst); |
| |
| inst->debugfs_root = |
| msm_vidc_debugfs_init_inst(inst, core->debugfs_root); |
| |
| return inst; |
| fail_init: |
| mutex_lock(&core->lock); |
| list_del(&inst->list); |
| mutex_unlock(&core->lock); |
| |
| v4l2_fh_del(&inst->event_handler); |
| v4l2_fh_exit(&inst->event_handler); |
| vb2_queue_release(&inst->bufq[OUTPUT_PORT].vb2_bufq); |
| fail_bufq_output: |
| vb2_queue_release(&inst->bufq[CAPTURE_PORT].vb2_bufq); |
| fail_bufq_capture: |
| msm_comm_ctrl_deinit(inst); |
| msm_smem_delete_client(inst->mem_client); |
| fail_mem_client: |
| mutex_destroy(&inst->sync_lock); |
| mutex_destroy(&inst->bufq[CAPTURE_PORT].lock); |
| mutex_destroy(&inst->bufq[OUTPUT_PORT].lock); |
| mutex_destroy(&inst->lock); |
| |
| DEINIT_MSM_VIDC_LIST(&inst->pendingq); |
| DEINIT_MSM_VIDC_LIST(&inst->scratchbufs); |
| DEINIT_MSM_VIDC_LIST(&inst->persistbufs); |
| DEINIT_MSM_VIDC_LIST(&inst->pending_getpropq); |
| DEINIT_MSM_VIDC_LIST(&inst->outputbufs); |
| DEINIT_MSM_VIDC_LIST(&inst->registeredbufs); |
| |
| kfree(inst); |
| inst = NULL; |
| err_invalid_core: |
| return inst; |
| } |
| EXPORT_SYMBOL(msm_vidc_open); |
| |
| static void cleanup_instance(struct msm_vidc_inst *inst) |
| { |
| struct vb2_buf_entry *entry, *dummy; |
| |
| if (inst) { |
| |
| mutex_lock(&inst->pendingq.lock); |
| list_for_each_entry_safe(entry, dummy, &inst->pendingq.list, |
| list) { |
| list_del(&entry->list); |
| kfree(entry); |
| } |
| mutex_unlock(&inst->pendingq.lock); |
| |
| msm_comm_free_freq_table(inst); |
| |
| if (msm_comm_release_scratch_buffers(inst, false)) { |
| dprintk(VIDC_ERR, |
| "Failed to release scratch buffers\n"); |
| } |
| |
| if (msm_comm_release_persist_buffers(inst)) { |
| dprintk(VIDC_ERR, |
| "Failed to release persist buffers\n"); |
| } |
| |
| /* |
| * At this point all buffes should be with driver |
| * irrespective of scenario |
| */ |
| msm_comm_validate_output_buffers(inst); |
| |
| if (msm_comm_release_output_buffers(inst, true)) { |
| dprintk(VIDC_ERR, |
| "Failed to release output buffers\n"); |
| } |
| |
| if (inst->extradata_handle) |
| msm_comm_smem_free(inst, inst->extradata_handle); |
| |
| debugfs_remove_recursive(inst->debugfs_root); |
| |
| mutex_lock(&inst->pending_getpropq.lock); |
| WARN_ON(!list_empty(&inst->pending_getpropq.list)); |
| mutex_unlock(&inst->pending_getpropq.lock); |
| } |
| } |
| |
| int msm_vidc_destroy(struct msm_vidc_inst *inst) |
| { |
| struct msm_vidc_core *core; |
| int i = 0; |
| |
| if (!inst || !inst->core) |
| return -EINVAL; |
| |
| core = inst->core; |
| |
| mutex_lock(&core->lock); |
| /* inst->list lives in core->instances */ |
| list_del(&inst->list); |
| mutex_unlock(&core->lock); |
| |
| msm_comm_ctrl_deinit(inst); |
| |
| DEINIT_MSM_VIDC_LIST(&inst->pendingq); |
| DEINIT_MSM_VIDC_LIST(&inst->scratchbufs); |
| DEINIT_MSM_VIDC_LIST(&inst->persistbufs); |
| DEINIT_MSM_VIDC_LIST(&inst->pending_getpropq); |
| DEINIT_MSM_VIDC_LIST(&inst->outputbufs); |
| DEINIT_MSM_VIDC_LIST(&inst->registeredbufs); |
| |
| v4l2_fh_del(&inst->event_handler); |
| v4l2_fh_exit(&inst->event_handler); |
| |
| for (i = 0; i < MAX_PORT_NUM; i++) |
| vb2_queue_release(&inst->bufq[i].vb2_bufq); |
| |
| mutex_destroy(&inst->sync_lock); |
| mutex_destroy(&inst->bufq[CAPTURE_PORT].lock); |
| mutex_destroy(&inst->bufq[OUTPUT_PORT].lock); |
| mutex_destroy(&inst->lock); |
| |
| pr_info(VIDC_DBG_TAG "Closed video instance: %pK\n", |
| VIDC_MSG_PRIO2STRING(VIDC_INFO), inst); |
| kfree(inst); |
| return 0; |
| } |
| |
| int msm_vidc_close(void *instance) |
| { |
| void close_helper(struct kref *kref) |
| { |
| struct msm_vidc_inst *inst = container_of(kref, |
| struct msm_vidc_inst, kref); |
| |
| msm_vidc_destroy(inst); |
| } |
| |
| struct msm_vidc_inst *inst = instance; |
| struct buffer_info *bi, *dummy; |
| int rc = 0; |
| |
| if (!inst || !inst->core) |
| return -EINVAL; |
| |
| /* |
| * Make sure that HW stop working on these buffers that |
| * we are going to free. |
| */ |
| if (inst->state != MSM_VIDC_CORE_INVALID && |
| inst->core->state != VIDC_CORE_INVALID) |
| rc = msm_comm_try_state(inst, |
| MSM_VIDC_RELEASE_RESOURCES_DONE); |
| |
| mutex_lock(&inst->registeredbufs.lock); |
| list_for_each_entry_safe(bi, dummy, &inst->registeredbufs.list, list) { |
| int i = 0; |
| |
| list_del(&bi->list); |
| |
| for (i = 0; i < min(bi->num_planes, VIDEO_MAX_PLANES); |
| i++) { |
| if (bi->handle[i] && bi->mapped[i]) |
| msm_comm_smem_free(inst, bi->handle[i]); |
| } |
| |
| kfree(bi); |
| } |
| mutex_unlock(&inst->registeredbufs.lock); |
| |
| cleanup_instance(inst); |
| if (inst->state != MSM_VIDC_CORE_INVALID && |
| inst->core->state != VIDC_CORE_INVALID) |
| rc = msm_comm_try_state(inst, MSM_VIDC_CORE_UNINIT); |
| else |
| rc = msm_comm_force_cleanup(inst); |
| if (rc) |
| dprintk(VIDC_ERR, |
| "Failed to move video instance to uninit state\n"); |
| |
| msm_comm_session_clean(inst); |
| msm_smem_delete_client(inst->mem_client); |
| |
| kref_put(&inst->kref, close_helper); |
| return 0; |
| } |
| EXPORT_SYMBOL(msm_vidc_close); |
| |
| int msm_vidc_suspend(int core_id) |
| { |
| return msm_comm_suspend(core_id); |
| } |
| EXPORT_SYMBOL(msm_vidc_suspend); |
| |