diff options
Diffstat (limited to 'drivers/media/platform/qcom/venus/core.h')
-rw-r--r-- | drivers/media/platform/qcom/venus/core.h | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h new file mode 100644 index 000000000000..e542700eee32 --- /dev/null +++ b/drivers/media/platform/qcom/venus/core.h @@ -0,0 +1,324 @@ +/* + * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved. + * Copyright (C) 2017 Linaro Ltd. + * + * 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 __VENUS_CORE_H_ +#define __VENUS_CORE_H_ + +#include <linux/list.h> +#include <media/videobuf2-v4l2.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-device.h> + +#include "hfi.h" + +#define VIDC_CLKS_NUM_MAX 4 + +struct freq_tbl { + unsigned int load; + unsigned long freq; +}; + +struct reg_val { + u32 reg; + u32 value; +}; + +struct venus_resources { + u64 dma_mask; + const struct freq_tbl *freq_tbl; + unsigned int freq_tbl_size; + const struct reg_val *reg_tbl; + unsigned int reg_tbl_size; + const char * const clks[VIDC_CLKS_NUM_MAX]; + unsigned int clks_num; + enum hfi_version hfi_version; + u32 max_load; + unsigned int vmem_id; + u32 vmem_size; + u32 vmem_addr; + const char *fwname; +}; + +struct venus_format { + u32 pixfmt; + unsigned int num_planes; + u32 type; +}; + +/** + * struct venus_core - holds core parameters valid for all instances + * + * @base: IO memory base address + * @irq: Venus irq + * @clks: an array of struct clk pointers + * @core0_clk: a struct clk pointer for core0 + * @core1_clk: a struct clk pointer for core1 + * @vdev_dec: a reference to video device structure for decoder instances + * @vdev_enc: a reference to video device structure for encoder instances + * @v4l2_dev: a holder for v4l2 device structure + * @res: a reference to venus resources structure + * @dev: convenience struct device pointer + * @dev_dec: convenience struct device pointer for decoder device + * @dev_enc: convenience struct device pointer for encoder device + * @lock: a lock for this strucure + * @instances: a list_head of all instances + * @insts_count: num of instances + * @state: the state of the venus core + * @done: a completion for sync HFI operations + * @error: an error returned during last HFI sync operations + * @sys_error: an error flag that signal system error event + * @core_ops: the core operations + * @enc_codecs: encoders supported by this core + * @dec_codecs: decoders supported by this core + * @max_sessions_supported: holds the maximum number of sessions + * @core_caps: core capabilities + * @priv: a private filed for HFI operations + * @ops: the core HFI operations + * @work: a delayed work for handling system fatal error + */ +struct venus_core { + void __iomem *base; + int irq; + struct clk *clks[VIDC_CLKS_NUM_MAX]; + struct clk *core0_clk; + struct clk *core1_clk; + struct video_device *vdev_dec; + struct video_device *vdev_enc; + struct v4l2_device v4l2_dev; + const struct venus_resources *res; + struct device *dev; + struct device *dev_dec; + struct device *dev_enc; + struct device dev_fw; + struct mutex lock; + struct list_head instances; + atomic_t insts_count; + unsigned int state; + struct completion done; + unsigned int error; + bool sys_error; + const struct hfi_core_ops *core_ops; + u32 enc_codecs; + u32 dec_codecs; + unsigned int max_sessions_supported; +#define ENC_ROTATION_CAPABILITY 0x1 +#define ENC_SCALING_CAPABILITY 0x2 +#define ENC_DEINTERLACE_CAPABILITY 0x4 +#define DEC_MULTI_STREAM_CAPABILITY 0x8 + unsigned int core_caps; + void *priv; + const struct hfi_ops *ops; + struct delayed_work work; +}; + +struct vdec_controls { + u32 post_loop_deb_mode; + u32 profile; + u32 level; +}; + +struct venc_controls { + u16 gop_size; + u32 num_p_frames; + u32 num_b_frames; + u32 bitrate_mode; + u32 bitrate; + u32 bitrate_peak; + + u32 h264_i_period; + u32 h264_entropy_mode; + u32 h264_i_qp; + u32 h264_p_qp; + u32 h264_b_qp; + u32 h264_min_qp; + u32 h264_max_qp; + u32 h264_loop_filter_mode; + u32 h264_loop_filter_alpha; + u32 h264_loop_filter_beta; + + u32 vp8_min_qp; + u32 vp8_max_qp; + + u32 multi_slice_mode; + u32 multi_slice_max_bytes; + u32 multi_slice_max_mb; + + u32 header_mode; + + struct { + u32 mpeg4; + u32 h264; + u32 vpx; + } profile; + struct { + u32 mpeg4; + u32 h264; + } level; +}; + +struct venus_buffer { + struct vb2_v4l2_buffer vb; + struct list_head list; + dma_addr_t dma_addr; + u32 size; + struct list_head reg_list; + u32 flags; + struct list_head ref_list; +}; + +#define to_venus_buffer(ptr) container_of(ptr, struct venus_buffer, vb) + +/** + * struct venus_inst - holds per instance paramerters + * + * @list: used for attach an instance to the core + * @lock: instance lock + * @core: a reference to the core struct + * @internalbufs: a list of internal bufferes + * @registeredbufs: a list of registered capture bufferes + * @delayed_process a list of delayed buffers + * @delayed_process_work: a work_struct for process delayed buffers + * @ctrl_handler: v4l control handler + * @controls: a union of decoder and encoder control parameters + * @fh: a holder of v4l file handle structure + * @streamon_cap: stream on flag for capture queue + * @streamon_out: stream on flag for output queue + * @cmd_stop: a flag to signal encoder/decoder commands + * @width: current capture width + * @height: current capture height + * @out_width: current output width + * @out_height: current output height + * @colorspace: current color space + * @quantization: current quantization + * @xfer_func: current xfer function + * @fps: holds current FPS + * @timeperframe: holds current time per frame structure + * @fmt_out: a reference to output format structure + * @fmt_cap: a reference to capture format structure + * @num_input_bufs: holds number of input buffers + * @num_output_bufs: holds number of output buffers + * @input_buf_size holds input buffer size + * @output_buf_size: holds output buffer size + * @reconfig: a flag raised by decoder when the stream resolution changed + * @reconfig_width: holds the new width + * @reconfig_height: holds the new height + * @sequence_cap: a sequence counter for capture queue + * @sequence_out: a sequence counter for output queue + * @m2m_dev: a reference to m2m device structure + * @m2m_ctx: a reference to m2m context structure + * @state: current state of the instance + * @done: a completion for sync HFI operation + * @error: an error returned during last HFI sync operation + * @session_error: a flag rised by HFI interface in case of session error + * @ops: HFI operations + * @priv: a private for HFI operations callbacks + * @session_type: the type of the session (decoder or encoder) + * @hprop: a union used as a holder by get property + * @cap_width: width capability + * @cap_height: height capability + * @cap_mbs_per_frame: macroblocks per frame capability + * @cap_mbs_per_sec: macroblocks per second capability + * @cap_framerate: framerate capability + * @cap_scale_x: horizontal scaling capability + * @cap_scale_y: vertical scaling capability + * @cap_bitrate: bitrate capability + * @cap_hier_p: hier capability + * @cap_ltr_count: LTR count capability + * @cap_secure_output2_threshold: secure OUTPUT2 threshold capability + * @cap_bufs_mode_static: buffers allocation mode capability + * @cap_bufs_mode_dynamic: buffers allocation mode capability + * @pl_count: count of supported profiles/levels + * @pl: supported profiles/levels + * @bufreq: holds buffer requirements + */ +struct venus_inst { + struct list_head list; + struct mutex lock; + struct venus_core *core; + struct list_head internalbufs; + struct list_head registeredbufs; + struct list_head delayed_process; + struct work_struct delayed_process_work; + + struct v4l2_ctrl_handler ctrl_handler; + union { + struct vdec_controls dec; + struct venc_controls enc; + } controls; + struct v4l2_fh fh; + unsigned int streamon_cap, streamon_out; + bool cmd_stop; + u32 width; + u32 height; + u32 out_width; + u32 out_height; + u32 colorspace; + u8 ycbcr_enc; + u8 quantization; + u8 xfer_func; + u64 fps; + struct v4l2_fract timeperframe; + const struct venus_format *fmt_out; + const struct venus_format *fmt_cap; + unsigned int num_input_bufs; + unsigned int num_output_bufs; + unsigned int input_buf_size; + unsigned int output_buf_size; + bool reconfig; + u32 reconfig_width; + u32 reconfig_height; + u32 sequence_cap; + u32 sequence_out; + struct v4l2_m2m_dev *m2m_dev; + struct v4l2_m2m_ctx *m2m_ctx; + unsigned int state; + struct completion done; + unsigned int error; + bool session_error; + const struct hfi_inst_ops *ops; + u32 session_type; + union hfi_get_property hprop; + struct hfi_capability cap_width; + struct hfi_capability cap_height; + struct hfi_capability cap_mbs_per_frame; + struct hfi_capability cap_mbs_per_sec; + struct hfi_capability cap_framerate; + struct hfi_capability cap_scale_x; + struct hfi_capability cap_scale_y; + struct hfi_capability cap_bitrate; + struct hfi_capability cap_hier_p; + struct hfi_capability cap_ltr_count; + struct hfi_capability cap_secure_output2_threshold; + bool cap_bufs_mode_static; + bool cap_bufs_mode_dynamic; + unsigned int pl_count; + struct hfi_profile_level pl[HFI_MAX_PROFILE_COUNT]; + struct hfi_buffer_requirements bufreq[HFI_BUFFER_TYPE_MAX]; +}; + +#define ctrl_to_inst(ctrl) \ + container_of((ctrl)->handler, struct venus_inst, ctrl_handler) + +static inline struct venus_inst *to_inst(struct file *filp) +{ + return container_of(filp->private_data, struct venus_inst, fh); +} + +static inline void *to_hfi_priv(struct venus_core *core) +{ + return core->priv; +} + +#endif |