| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| #ifndef __MSM_VIDC_PRIVATE_H__ |
| #define __MSM_VIDC_PRIVATE_H__ |
| |
| #include <linux/videodev2.h> |
| |
| /* VIDIOC private video command */ |
| #define VIDIOC_VIDEO_CMD \ |
| _IOWR('V', BASE_VIDIOC_PRIVATE_VIDEO, struct msm_vidc_arg) |
| |
| /* Commands type */ |
| #define MSM_VIDC_CMD_START 0x10000000 |
| #define MSM_CVP_START (MSM_VIDC_CMD_START + 0x1000) |
| |
| /* |
| * userspace clients pass one of the below arguments type |
| * in struct msm_vidc_arg (@type field). |
| */ |
| |
| /* |
| * MSM_CVP_GET_SESSION_INFO - this argument type is used to |
| * get the session information from driver. it passes |
| * struct msm_cvp_session_info {} |
| */ |
| #define MSM_CVP_GET_SESSION_INFO (MSM_CVP_START + 1) |
| |
| /* |
| * MSM_CVP_REQUEST_POWER - this argument type is used to |
| * set the power required to driver. it passes |
| * struct msm_cvp_request_power {} |
| */ |
| #define MSM_CVP_REQUEST_POWER (MSM_CVP_START + 2) |
| |
| /* |
| * MSM_CVP_REGISTER_BUFFER - this argument type is used to |
| * register the buffer to driver. it passes |
| * struct msm_cvp_buffer {} |
| */ |
| #define MSM_CVP_REGISTER_BUFFER (MSM_CVP_START + 3) |
| |
| /* |
| * MSM_CVP_REGISTER_BUFFER - this argument type is used to |
| * unregister the buffer to driver. it passes |
| * struct msm_cvp_buffer {} |
| */ |
| #define MSM_CVP_UNREGISTER_BUFFER (MSM_CVP_START + 4) |
| |
| /* flags */ |
| #define MSM_CVP_FLAG_UNSECURE 0x00000000 |
| #define MSM_CVP_FLAG_SECURE 0x00000001 |
| |
| /* buffer type */ |
| #define MSM_CVP_BUFTYPE_INPUT 0x00000001 |
| #define MSM_CVP_BUFTYPE_OUTPUT 0x00000002 |
| #define MSM_CVP_BUFTYPE_INTERNAL_1 0x00000003 |
| #define MSM_CVP_BUFTYPE_INTERNAL_2 0x00000004 |
| |
| |
| /** |
| * struct msm_cvp_session_info - session information |
| * @session_id: current session id |
| */ |
| struct msm_cvp_session_info { |
| unsigned int session_id; |
| unsigned int reserved[10]; |
| }; |
| |
| /** |
| * struct msm_cvp_request_power - power / clock data information |
| * @clock_cycles_a: clock cycles per second required for hardware_a |
| * @clock_cycles_b: clock cycles per second required for hardware_b |
| * @ddr_bw: bandwidth required for ddr in bps |
| * @sys_cache_bw: bandwidth required for system cache in bps |
| */ |
| struct msm_cvp_request_power { |
| unsigned int clock_cycles_a; |
| unsigned int clock_cycles_b; |
| unsigned int ddr_bw; |
| unsigned int sys_cache_bw; |
| unsigned int reserved[8]; |
| }; |
| |
| /** |
| * struct msm_cvp_buffer - buffer information to be registered |
| * @index: index of buffer |
| * @type: buffer type |
| * @fd: file descriptor of buffer |
| * @size: allocated size of buffer |
| * @offset: offset in fd from where usable data starts |
| * @pixelformat: fourcc format |
| * @flags: buffer flags |
| */ |
| struct msm_cvp_buffer { |
| unsigned int index; |
| unsigned int type; |
| unsigned int fd; |
| unsigned int size; |
| unsigned int offset; |
| unsigned int pixelformat; |
| unsigned int flags; |
| unsigned int reserved[5]; |
| }; |
| |
| /** |
| * struct msm_vidc_arg - argument passed with VIDIOC_VIDEO_CMD |
| * @type: command type |
| * @session: session information |
| * @req_power: power information |
| * @regbuf: buffer to be registered |
| * @unregbuf: buffer to be unregistered |
| */ |
| struct msm_vidc_arg { |
| unsigned int type; |
| union data_t { |
| struct msm_cvp_session_info session; |
| struct msm_cvp_request_power req_power; |
| struct msm_cvp_buffer regbuf; |
| struct msm_cvp_buffer unregbuf; |
| } data; |
| unsigned int reserved[12]; |
| }; |
| |
| #endif |
