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-rw-r--r--drivers/media/platform/qcom/venus/core.h324
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diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
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+/*
+ * 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
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