| /* Copyright (c) 2012-2018, 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/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_dcvs.h" |
| |
| #define MAX_EVENTS 30 |
| |
| 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) |
| { |
| int rc = -EINVAL; |
| struct msm_vidc_inst *inst = instance; |
| |
| if (!inst || !cap) |
| return -EINVAL; |
| |
| if (inst->session_type == MSM_VIDC_DECODER) |
| rc = msm_vdec_querycap(instance, cap); |
| else if (inst->session_type == MSM_VIDC_ENCODER) |
| rc = msm_venc_querycap(instance, cap); |
| else |
| goto exit; |
| if (!rc) { |
| cap->device_caps = cap->capabilities; |
| cap->capabilities |= V4L2_CAP_DEVICE_CAPS; |
| } |
| exit: |
| return rc; |
| } |
| 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); |
| |
| 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; |
| |
| if (!inst || !f) |
| return -EINVAL; |
| |
| if (inst->session_type == MSM_VIDC_DECODER) |
| return msm_vdec_g_fmt(instance, f); |
| else if (inst->session_type == MSM_VIDC_ENCODER) |
| return msm_venc_g_fmt(instance, f); |
| return -EINVAL; |
| } |
| 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; |
| |
| if (!inst || !control) |
| return -EINVAL; |
| |
| return msm_comm_g_ctrl(instance, control); |
| } |
| EXPORT_SYMBOL(msm_vidc_g_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; |
| |
| if (!inst || !b) |
| return -EINVAL; |
| |
| if (inst->session_type == MSM_VIDC_DECODER) |
| return msm_vdec_reqbufs(instance, b); |
| if (inst->session_type == MSM_VIDC_ENCODER) |
| return msm_venc_reqbufs(instance, b); |
| return -EINVAL; |
| } |
| 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[0], 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_output_buffer_mode(struct v4l2_buffer *b, |
| struct msm_vidc_inst *inst) |
| { |
| return b->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && |
| inst->buffer_mode_set[CAPTURE_PORT] == HAL_BUFFER_MODE_DYNAMIC; |
| } |
| |
| |
| static inline bool is_encoder_input_buffer(struct v4l2_buffer *b, |
| struct msm_vidc_inst *inst) |
| { |
| return b->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && |
| inst->session_type == MSM_VIDC_ENCODER; |
| } |
| |
| 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_output_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_output_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_output_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} }; |
| |
| 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); |
| |
| if (inst->session_type == MSM_VIDC_DECODER) |
| return msm_vdec_qbuf(inst, &b); |
| if (inst->session_type == MSM_VIDC_ENCODER) |
| return msm_venc_qbuf(inst, &b); |
| |
| return -EINVAL; |
| } |
| |
| 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; |
| } |
| |
| if (binfo->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) |
| return 0; |
| |
| |
| for (i = 0; i < binfo->num_planes; i++) { |
| if (binfo->handle[i]) { |
| rc = msm_comm_smem_cache_operations(inst, |
| binfo->handle[i], 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->fmts[port].num_planes == b->length; |
| } |
| |
| int msm_vidc_prepare_buf(void *instance, struct v4l2_buffer *b) |
| { |
| struct msm_vidc_inst *inst = instance; |
| |
| 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; |
| |
| if (is_dynamic_output_buffer_mode(b, inst)) |
| return 0; |
| |
| if (map_and_register_buf(inst, b)) |
| return -EINVAL; |
| |
| if (inst->session_type == MSM_VIDC_DECODER) |
| return msm_vdec_prepare_buf(instance, b); |
| if (inst->session_type == MSM_VIDC_ENCODER) |
| return msm_venc_prepare_buf(instance, b); |
| return -EINVAL; |
| } |
| EXPORT_SYMBOL(msm_vidc_prepare_buf); |
| |
| int msm_vidc_release_buffers(void *instance, int buffer_type) |
| { |
| struct msm_vidc_inst *inst = instance; |
| struct buffer_info *bi, *dummy; |
| struct v4l2_buffer buffer_info; |
| struct v4l2_plane plane[VIDEO_MAX_PLANES]; |
| int i, rc = 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); |
| } |
| } |
| |
| /* |
| * In dynamic buffer mode, driver needs to release resources, |
| * but not call release buffers on firmware, as the buffers |
| * were never registered with firmware. |
| */ |
| if (buffer_type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && |
| inst->buffer_mode_set[CAPTURE_PORT] == |
| HAL_BUFFER_MODE_DYNAMIC) { |
| goto free_and_unmap; |
| } |
| |
| mutex_lock(&inst->registeredbufs.lock); |
| list_for_each_entry(bi, &inst->registeredbufs.list, list) { |
| bool release_buf = false; |
| |
| if (bi->type == buffer_type) { |
| buffer_info.type = bi->type; |
| for (i = 0; i < min(bi->num_planes, VIDEO_MAX_PLANES); |
| i++) { |
| plane[i].reserved[0] = bi->fd[i]; |
| plane[i].reserved[1] = bi->buff_off[i]; |
| plane[i].length = bi->size[i]; |
| plane[i].m.userptr = bi->device_addr[i]; |
| buffer_info.m.planes = plane; |
| dprintk(VIDC_DBG, |
| "Releasing buffer: %d, %d, %d\n", |
| buffer_info.m.planes[i].reserved[0], |
| buffer_info.m.planes[i].reserved[1], |
| buffer_info.m.planes[i].length); |
| } |
| buffer_info.length = bi->num_planes; |
| release_buf = true; |
| } |
| |
| if (!release_buf) |
| continue; |
| if (inst->session_type == MSM_VIDC_DECODER) |
| rc = msm_vdec_release_buf(instance, |
| &buffer_info); |
| if (inst->session_type == MSM_VIDC_ENCODER) |
| rc = msm_venc_release_buf(instance, |
| &buffer_info); |
| if (rc) |
| dprintk(VIDC_ERR, |
| "Failed Release buffer: %d, %d, %d\n", |
| buffer_info.m.planes[0].reserved[0], |
| buffer_info.m.planes[0].reserved[1], |
| buffer_info.m.planes[0].length); |
| } |
| mutex_unlock(&inst->registeredbufs.lock); |
| |
| free_and_unmap: |
| mutex_lock(&inst->registeredbufs.lock); |
| list_for_each_entry_safe(bi, dummy, &inst->registeredbufs.list, list) { |
| if (bi->type == buffer_type) { |
| 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]); |
| } |
| } |
| kfree(bi); |
| } |
| } |
| mutex_unlock(&inst->registeredbufs.lock); |
| return rc; |
| } |
| EXPORT_SYMBOL(msm_vidc_release_buffers); |
| |
| 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; |
| |
| 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_output_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 (inst->fmts[OUTPUT_PORT].fourcc == |
| V4L2_PIX_FMT_HEVC_HYBRID && binfo->handle[i] && |
| b->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { |
| rc = msm_comm_smem_cache_operations(inst, |
| binfo->handle[i], SMEM_CACHE_INVALIDATE); |
| if (rc) { |
| dprintk(VIDC_ERR, |
| "Failed to inv caches: %d\n", rc); |
| goto err_invalid_buff; |
| } |
| } |
| |
| 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; |
| } |
| } |
| } |
| |
| if (inst->session_type == MSM_VIDC_DECODER) |
| return msm_vdec_qbuf(instance, b); |
| if (inst->session_type == MSM_VIDC_ENCODER) |
| return msm_venc_qbuf(instance, b); |
| |
| 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; |
| |
| if (!inst || !b || !valid_v4l2_buffer(b, inst)) |
| return -EINVAL; |
| |
| if (inst->session_type == MSM_VIDC_DECODER) |
| rc = msm_vdec_dqbuf(instance, b); |
| if (inst->session_type == MSM_VIDC_ENCODER) |
| rc = msm_venc_dqbuf(instance, b); |
| |
| if (rc) |
| return rc; |
| |
| for (i = b->length - 1; i >= 0 ; 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]; |
| |
| b->m.planes[i].reserved[2] = buffer_info->crop_data.nLeft; |
| b->m.planes[i].reserved[3] = buffer_info->crop_data.nTop; |
| b->m.planes[i].reserved[4] = buffer_info->crop_data.nWidth; |
| b->m.planes[i].reserved[5] = buffer_info->crop_data.nHeight; |
| b->m.planes[i].reserved[6] = |
| buffer_info->crop_data.width_height[0]; |
| b->m.planes[i].reserved[7] = |
| buffer_info->crop_data.width_height[1]; |
| if (!(inst->flags & VIDC_SECURE) && !b->m.planes[i].m.userptr) { |
| dprintk(VIDC_ERR, |
| "%s: Failed to find user virtual address, %#lx, %d, %d\n", |
| __func__, b->m.planes[i].m.userptr, b->type, i); |
| return -EINVAL; |
| } |
| } |
| |
| 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_output_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; |
| |
| if (!inst) |
| return -EINVAL; |
| |
| if (inst->session_type == MSM_VIDC_DECODER) |
| return msm_vdec_streamon(instance, i); |
| if (inst->session_type == MSM_VIDC_ENCODER) |
| return msm_venc_streamon(instance, i); |
| return -EINVAL; |
| } |
| EXPORT_SYMBOL(msm_vidc_streamon); |
| |
| int msm_vidc_streamoff(void *instance, enum v4l2_buf_type i) |
| { |
| struct msm_vidc_inst *inst = instance; |
| |
| if (!inst) |
| return -EINVAL; |
| |
| if (inst->session_type == MSM_VIDC_DECODER) |
| return msm_vdec_streamoff(instance, i); |
| if (inst->session_type == MSM_VIDC_ENCODER) |
| return msm_venc_streamoff(instance, i); |
| return -EINVAL; |
| } |
| 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 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; |
| |
| if (sess == MSM_VIDC_DECODER) |
| q->ops = msm_vdec_get_vb2q_ops(); |
| else if (sess == MSM_VIDC_ENCODER) |
| q->ops = msm_venc_get_vb2q_ops(); |
| q->mem_ops = &msm_vidc_vb2_mem_ops; |
| q->drv_priv = inst; |
| q->allow_zero_bytesused = !V4L2_TYPE_IS_OUTPUT(type); |
| 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; |
| } |
| |
| 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->persistbufs); |
| INIT_MSM_VIDC_LIST(&inst->pending_getpropq); |
| INIT_MSM_VIDC_LIST(&inst->outputbufs); |
| INIT_MSM_VIDC_LIST(&inst->registeredbufs); |
| INIT_MSM_VIDC_LIST(&inst->eosbufs); |
| |
| kref_init(&inst->kref); |
| |
| inst->session_type = session_type; |
| inst->state = MSM_VIDC_CORE_UNINIT_DONE; |
| inst->core = core; |
| inst->bit_depth = MSM_VIDC_BIT_DEPTH_8; |
| inst->instant_bitrate = 0; |
| inst->pic_struct = MSM_VIDC_PIC_STRUCT_PROGRESSIVE; |
| inst->colour_space = MSM_VIDC_BT601_6_525; |
| |
| 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); |
| } else if (session_type == MSM_VIDC_ENCODER) { |
| msm_venc_inst_init(inst); |
| rc = msm_venc_ctrl_init(inst); |
| } |
| |
| if (rc) |
| goto fail_bufq_capture; |
| |
| msm_dcvs_init(inst); |
| 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; |
| } |
| |
| if (msm_vidc_check_for_inst_overload(core)) { |
| dprintk(VIDC_ERR, |
| "Instance count reached Max limit, rejecting session"); |
| goto fail_init; |
| } |
| |
| inst->debugfs_root = |
| msm_vidc_debugfs_init_inst(inst, core->debugfs_root); |
| |
| return inst; |
| fail_init: |
| v4l2_fh_del(&inst->event_handler); |
| v4l2_fh_exit(&inst->event_handler); |
| vb2_queue_release(&inst->bufq[OUTPUT_PORT].vb2_bufq); |
| |
| mutex_lock(&core->lock); |
| list_del(&inst->list); |
| mutex_unlock(&core->lock); |
| |
| 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: |
| DEINIT_MSM_VIDC_LIST(&inst->eosbufs); |
| 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); |
| |
| 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"); |
| } |
| |
| msm_comm_release_eos_buffers(inst); |
| |
| if (msm_comm_release_output_buffers(inst)) { |
| dprintk(VIDC_ERR, |
| "Failed to release output buffers\n"); |
| } |
| |
| if (inst->extradata_handle) |
| msm_comm_smem_free(inst, inst->extradata_handle); |
| |
| mutex_lock(&inst->pending_getpropq.lock); |
| if (!list_empty(&inst->pending_getpropq.list)) { |
| dprintk(VIDC_ERR, |
| "pending_getpropq not empty\n"); |
| WARN_ON(VIDC_DBG_WARN_ENABLE); |
| } |
| 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); |
| |
| 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); |
| |
| DEINIT_MSM_VIDC_LIST(&inst->eosbufs); |
| |
| mutex_destroy(&inst->sync_lock); |
| mutex_destroy(&inst->bufq[CAPTURE_PORT].lock); |
| mutex_destroy(&inst->bufq[OUTPUT_PORT].lock); |
| mutex_destroy(&inst->lock); |
| |
| msm_vidc_debugfs_deinit_inst(inst); |
| 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; |
| |
| |
| mutex_lock(&inst->registeredbufs.lock); |
| list_for_each_entry_safe(bi, dummy, &inst->registeredbufs.list, list) { |
| if (bi->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { |
| 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); |
| |