diff options
Diffstat (limited to 'camera/isp/msm_buf_mgr.h')
| -rw-r--r-- | camera/isp/msm_buf_mgr.h | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/camera/isp/msm_buf_mgr.h b/camera/isp/msm_buf_mgr.h new file mode 100644 index 00000000..6673007f --- /dev/null +++ b/camera/isp/msm_buf_mgr.h @@ -0,0 +1,219 @@ +/* Copyright (c) 2013-2015, 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. + */ + +#ifndef _MSM_ISP_BUF_H_ +#define _MSM_ISP_BUF_H_ + +#include <lenovo_media/msmb_isp.h> +#include "msm_sd.h" + +/* Buffer type could be userspace / HAL. + * Userspase could provide native or scratch buffer. */ +#define BUF_SRC(id) ( \ + (id & ISP_SCRATCH_BUF_BIT) ? MSM_ISP_BUFFER_SRC_SCRATCH : \ + (id & ISP_NATIVE_BUF_BIT) ? MSM_ISP_BUFFER_SRC_NATIVE : \ + MSM_ISP_BUFFER_SRC_HAL) + +/* + * This mask can be set dynamically if there are more than 2 VFE + *.and 2 of those are used + */ +#define ISP_SHARE_BUF_MASK 0x3 +#define ISP_NUM_BUF_MASK 2 +#define BUF_MGR_NUM_BUF_Q 28 +#define MAX_IOMMU_CTX 2 + +struct msm_isp_buf_mgr; + +enum msm_isp_buffer_src_t { + MSM_ISP_BUFFER_SRC_HAL, + MSM_ISP_BUFFER_SRC_NATIVE, + MSM_ISP_BUFFER_SRC_SCRATCH, + MSM_ISP_BUFFER_SRC_MAX, +}; + +enum msm_isp_buffer_state { + MSM_ISP_BUFFER_STATE_UNUSED, /* not used */ + MSM_ISP_BUFFER_STATE_INITIALIZED, /* REQBUF done */ + MSM_ISP_BUFFER_STATE_PREPARED, /* BUF mapped */ + MSM_ISP_BUFFER_STATE_QUEUED, /* buf queued */ + MSM_ISP_BUFFER_STATE_DEQUEUED, /* in use in VFE */ + MSM_ISP_BUFFER_STATE_DIVERTED, /* Sent to other hardware*/ + MSM_ISP_BUFFER_STATE_DISPATCHED, /* Sent to HAL*/ +}; + +enum msm_isp_buffer_put_state { + MSM_ISP_BUFFER_STATE_PUT_PREPARED, /* on init */ + MSM_ISP_BUFFER_STATE_PUT_BUF, /* on rotation */ + MSM_ISP_BUFFER_STATE_FLUSH, /* on recovery */ + MSM_ISP_BUFFER_STATE_DROP_REG, /* on drop frame for reg_update */ + MSM_ISP_BUFFER_STATE_DROP_SKIP, /* on drop frame for sw skip */ + MSM_ISP_BUFFER_STATE_RETURN_EMPTY, /* for return empty */ +}; + +enum msm_isp_buffer_flush_t { + MSM_ISP_BUFFER_FLUSH_DIVERTED, + MSM_ISP_BUFFER_FLUSH_ALL, +}; + +enum msm_isp_buf_mgr_state { + MSM_ISP_BUF_MGR_ATTACH, + MSM_ISP_BUF_MGR_DETACH, +}; + +struct msm_isp_buffer_mapped_info { + size_t len; + dma_addr_t paddr; + int buf_fd; +}; + +struct buffer_cmd { + struct list_head list; + struct msm_isp_buffer_mapped_info *mapped_info; +}; + +struct msm_isp_buffer_debug_t { + enum msm_isp_buffer_put_state put_state[2]; + uint8_t put_state_last; +}; + +struct msm_isp_buffer { + /*Common Data structure*/ + int num_planes; + struct msm_isp_buffer_mapped_info mapped_info[VIDEO_MAX_PLANES]; + int buf_idx; + uint32_t bufq_handle; + uint32_t frame_id; + struct timeval *tv; + /* Indicates whether buffer is used as ping ot pong buffer */ + uint32_t pingpong_bit; + + /*Native buffer*/ + struct list_head list; + enum msm_isp_buffer_state state; + + struct msm_isp_buffer_debug_t buf_debug; + + /*Vb2 buffer data*/ + struct vb2_buffer *vb2_buf; +}; + +struct msm_isp_bufq { + uint32_t session_id; + uint32_t stream_id; + uint32_t num_bufs; + uint32_t bufq_handle; + enum msm_isp_buf_type buf_type; + struct msm_isp_buffer *bufs; + spinlock_t bufq_lock; + uint8_t put_buf_mask[ISP_NUM_BUF_MASK]; + /*Native buffer queue*/ + struct list_head head; +}; + +struct msm_isp_buf_ops { + int (*request_buf)(struct msm_isp_buf_mgr *buf_mgr, + struct msm_isp_buf_request *buf_request); + + int (*enqueue_buf)(struct msm_isp_buf_mgr *buf_mgr, + struct msm_isp_qbuf_info *info); + + int (*dequeue_buf)(struct msm_isp_buf_mgr *buf_mgr, + struct msm_isp_qbuf_info *info); + + int (*release_buf)(struct msm_isp_buf_mgr *buf_mgr, + uint32_t bufq_handle); + + int (*get_bufq_handle)(struct msm_isp_buf_mgr *buf_mgr, + uint32_t session_id, uint32_t stream_id); + + int (*get_buf_src)(struct msm_isp_buf_mgr *buf_mgr, + uint32_t bufq_handle, uint32_t *buf_src); + + int (*get_buf)(struct msm_isp_buf_mgr *buf_mgr, uint32_t id, + uint32_t bufq_handle, struct msm_isp_buffer **buf_info); + + int (*get_buf_by_index)(struct msm_isp_buf_mgr *buf_mgr, + uint32_t bufq_handle, uint32_t buf_index, + struct msm_isp_buffer **buf_info); + + int (*map_buf)(struct msm_isp_buf_mgr *buf_mgr, + struct msm_isp_buffer_mapped_info *mapped_info, uint32_t fd); + + int (*unmap_buf)(struct msm_isp_buf_mgr *buf_mgr, uint32_t fd); + + int (*put_buf)(struct msm_isp_buf_mgr *buf_mgr, + uint32_t bufq_handle, uint32_t buf_index); + + int (*flush_buf)(struct msm_isp_buf_mgr *buf_mgr, uint32_t id, + uint32_t bufq_handle, enum msm_isp_buffer_flush_t flush_type, + struct timeval *tv, uint32_t frame_id); + + int (*buf_done)(struct msm_isp_buf_mgr *buf_mgr, + uint32_t bufq_handle, uint32_t buf_index, + struct timeval *tv, uint32_t frame_id, uint32_t output_format); + void (*register_ctx)(struct msm_isp_buf_mgr *buf_mgr, + struct device **iommu_ctx1, struct device **iommu_ctx2, + int num_iommu_ctx1, int num_iommu_ctx2); + int (*buf_mgr_init)(struct msm_isp_buf_mgr *buf_mgr, + const char *ctx_name); + int (*buf_mgr_deinit)(struct msm_isp_buf_mgr *buf_mgr); + int (*buf_mgr_debug)(struct msm_isp_buf_mgr *buf_mgr, + unsigned long fault_addr); + struct msm_isp_bufq * (*get_bufq)(struct msm_isp_buf_mgr *buf_mgr, + uint32_t bufq_handle); + int (*update_put_buf_cnt)(struct msm_isp_buf_mgr *buf_mgr, + uint32_t id, uint32_t bufq_handle, int32_t buf_index, + struct timeval *tv, uint32_t frame_id, uint32_t pingpong_bit); +}; + +struct msm_isp_buf_mgr { + int init_done; + uint32_t open_count; + uint32_t pagefault_debug_disable; + uint32_t frameId_mismatch_recovery; + uint16_t num_buf_q; + struct msm_isp_bufq bufq[BUF_MGR_NUM_BUF_Q]; + + struct ion_client *client; + struct msm_isp_buf_ops *ops; + + struct msm_sd_req_vb2_q *vb2_ops; + + /*IOMMU driver*/ + int iommu_hdl; + + /*Add secure mode*/ + int secure_enable; + + int num_iommu_ctx; + int num_iommu_secure_ctx; + int attach_ref_cnt; + enum msm_isp_buf_mgr_state attach_state; + struct device *isp_dev; + struct mutex lock; + /* Scratch buffer */ + dma_addr_t scratch_buf_addr; + uint32_t scratch_buf_range; +}; + +int msm_isp_create_isp_buf_mgr(struct msm_isp_buf_mgr *buf_mgr, + struct msm_sd_req_vb2_q *vb2_ops, struct device *dev, + uint32_t scratch_addr_range); + +int msm_isp_proc_buf_cmd(struct msm_isp_buf_mgr *buf_mgr, + unsigned int cmd, void *arg); + +int msm_isp_smmu_attach(struct msm_isp_buf_mgr *buf_mgr, + void *arg); + +#endif /* _MSM_ISP_BUF_H_ */ |