[PATCH 06/33] iris: vidc: define video core and instance context

Vikash Garodia
2023-07-28T13:26:05Z

This implements video core and instance context structure and
associated core and session ops.

Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
Signed-off-by: Vikash Garodia <quic_vgarodia@quicinc.com>
---
.../platform/qcom/iris/vidc/inc/msm_vidc_core.h | 165 ++++++++++++++++
.../platform/qcom/iris/vidc/inc/msm_vidc_inst.h | 207 +++++++++++++++++++++
2 files changed, 372 insertions(+)
create mode 100644 drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_core.h
create mode 100644 drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_inst.h

diff --git a/drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_core.h b/drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_core.h
new file mode 100644
index 0000000..cd8804ff
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_core.h
@@ -0,0 +1,165 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef _MSM_VIDC_CORE_H_
+#define _MSM_VIDC_CORE_H_
+
+#include <linux/platform_device.h>
+
+#include "msm_vidc_internal.h"
+#include "msm_vidc_state.h"
+#include "resources.h"
+#include "venus_hfi_queue.h"
+
+#define MAX_EVENTS 30
+
+#define call_iris_op(d, op, ...) \
+ (((d) && (d)->iris_ops && (d)->iris_ops->op) ? \
+ ((d)->iris_ops->op(__VA_ARGS__)) : 0)
+
+struct msm_vidc_iris_ops {
+ int (*boot_firmware)(struct msm_vidc_core *core);
+ int (*raise_interrupt)(struct msm_vidc_core *core);
+ int (*clear_interrupt)(struct msm_vidc_core *core);
+ int (*prepare_pc)(struct msm_vidc_core *core);
+ int (*power_on)(struct msm_vidc_core *core);
+ int (*power_off)(struct msm_vidc_core *core);
+ int (*watchdog)(struct msm_vidc_core *core, u32 intr_status);
+};
+
+struct msm_vidc_mem_addr {
+ u32 align_device_addr;
+ u8 *align_virtual_addr;
+ u32 mem_size;
+ struct msm_vidc_mem mem;
+};
+
+struct msm_vidc_iface_q_info {
+ void *q_hdr;
+ struct msm_vidc_mem_addr q_array;
+};
+
+struct msm_video_device {
+ enum msm_vidc_domain_type type;
+ struct video_device vdev;
+ struct v4l2_m2m_dev *m2m_dev;
+};
+
+struct msm_vidc_core_power {
+ u64 clk_freq;
+ u64 bw_ddr;
+ u64 bw_llcc;
+};
+
+/**
+ * struct msm_vidc_core - holds core parameters valid for all instances
+ *
+ * @pdev: refernce to platform device structure
+ * @vdev: a reference to video device structure for encoder & decoder instances
+ * @v4l2_dev : a holder for v4l2 device structure
+ * @instances: a list_head of all instances
+ * @dangling_instances : a list_head of all dangling instances
+ * @debugfs_parent: debugfs node for msm_vidc
+ * @debugfs_root: debugfs node for core info
+ * @fw_version: a holder for fw version
+ * @state: a structure of core states
+ * @state_handle: a handler for core state change
+ * @sub_state: enumeration of core substate
+ * @sub_state_name: holder for core substate name
+ * @lock: a lock for this strucure
+ * @resources: a structure for core resources
+ * @platform: a structure for platform data
+ * @intr_status: interrupt status
+ * @spur_count: counter for spurious interrupt
+ * @reg_count: counter for interrupts
+ * @enc_codecs_count: encoder codec count
+ * @dec_codecs_count: decoder codec count
+ * @capabilities: an array for supported core capabilities
+ * @inst_caps: a pointer to supported instance capabilities
+ * @sfr: SFR register memory
+ * @iface_q_table: Interface queue table memory
+ * @iface_queues: a array of interface queues info
+ * @pm_work: delayed work to handle power collapse
+ * @pm_workq: workqueue for power collapse work
+ * @batch_workq: workqueue for batching
+ * @fw_unload_work: delayed work for fw unload
+ * @power: a sturture for core power
+ * @skip_pc_count: a counter for skipped power collpase
+ * @last_packet_type: holder for last packet type info
+ * @packet: pointer to packet from driver to fw
+ * @packet_size: size of packet
+ * @response_packet: a pointer to response packet from fw to driver
+ * @v4l2_file_ops: a pointer to v4l2 file ops
+ * @v4l2_ioctl_ops_enc: a pointer to v4l2 ioctl ops for encoder
+ * @v4l2_ioctl_ops_dec: a pointer to v4l2 ioclt ops for decoder
+ * @v4l2_ctrl_ops: a pointer to v4l2 control ops
+ * @vb2_ops: a pointer to vb2 ops
+ * @vb2_mem_ops: a pointer to vb2 memory ops
+ * @v4l2_m2m_ops: a pointer to v4l2_mem ops
+ * @iris_ops: a pointer to iris ops
+ * @res_ops: a pointer to resource management ops
+ * @session_ops: a pointer to session level ops
+ * @mem_ops: a pointer to memory management ops
+ * @header_id: id of packet header
+ * @packet_id: id of packet
+ * @sys_init_id: id of sys init packet
+ */
+
+struct msm_vidc_core {
+ struct platform_device *pdev;
+ struct msm_video_device vdev[2];
+ struct v4l2_device v4l2_dev;
+ struct list_head instances;
+ struct list_head dangling_instances;
+ struct dentry *debugfs_parent;
+ struct dentry *debugfs_root;
+ char fw_version[MAX_NAME_LENGTH];
+ enum msm_vidc_core_state state;
+ int (*state_handle)(struct msm_vidc_core *core,
+ enum msm_vidc_core_event_type type,
+ struct msm_vidc_event_data *data);
+ enum msm_vidc_core_sub_state sub_state;
+ char sub_state_name[MAX_NAME_LENGTH];
+ struct mutex lock; /* lock for core structure */
+ struct msm_vidc_resource *resource;
+ struct msm_vidc_platform *platform;
+ u32 intr_status;
+ u32 spur_count;
+ u32 reg_count;
+ u32 enc_codecs_count;
+ u32 dec_codecs_count;
+ struct msm_vidc_core_capability capabilities[CORE_CAP_MAX + 1];
+ struct msm_vidc_inst_capability *inst_caps;
+ struct msm_vidc_mem_addr sfr;
+ struct msm_vidc_mem_addr iface_q_table;
+ struct msm_vidc_iface_q_info iface_queues[VIDC_IFACEQ_NUMQ];
+ struct delayed_work pm_work;
+ struct workqueue_struct *pm_workq;
+ struct workqueue_struct *batch_workq;
+ struct delayed_work fw_unload_work;
+ struct msm_vidc_core_power power;
+ u32 skip_pc_count;
+ u32 last_packet_type;
+ u8 *packet;
+ u32 packet_size;
+ u8 *response_packet;
+ struct v4l2_file_operations *v4l2_file_ops;
+ const struct v4l2_ioctl_ops *v4l2_ioctl_ops_enc;
+ const struct v4l2_ioctl_ops *v4l2_ioctl_ops_dec;
+ const struct v4l2_ctrl_ops *v4l2_ctrl_ops;
+ const struct vb2_ops *vb2_ops;
+ struct vb2_mem_ops *vb2_mem_ops;
+ struct v4l2_m2m_ops *v4l2_m2m_ops;
+ struct msm_vidc_iris_ops *iris_ops;
+ const struct msm_vidc_resources_ops *res_ops;
+ struct msm_vidc_session_ops *session_ops;
+ const struct msm_vidc_memory_ops *mem_ops;
+ u32 header_id;
+ u32 packet_id;
+ u32 sys_init_id;
+};
+
+#endif // _MSM_VIDC_CORE_H_
diff --git a/drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_inst.h b/drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_inst.h
new file mode 100644
index 0000000..96c8903
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_inst.h
@@ -0,0 +1,207 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef _MSM_VIDC_INST_H_
+#define _MSM_VIDC_INST_H_
+
+#include "hfi_property.h"
+#include "msm_vidc_internal.h"
+#include "msm_vidc_memory.h"
+#include "msm_vidc_state.h"
+
+#define call_session_op(c, op, ...) \
+ (((c) && (c)->session_ops && (c)->session_ops->op) ? \
+ ((c)->session_ops->op(__VA_ARGS__)) : 0)
+
+struct msm_vidc_session_ops {
+ u64 (*calc_freq)(struct msm_vidc_inst *inst, u32 data_size);
+ int (*calc_bw)(struct msm_vidc_inst *inst,
+ struct vidc_bus_vote_data *vote_data);
+ int (*decide_work_route)(struct msm_vidc_inst *inst);
+ int (*decide_work_mode)(struct msm_vidc_inst *inst);
+ int (*decide_quality_mode)(struct msm_vidc_inst *inst);
+ int (*buffer_size)(struct msm_vidc_inst *inst, enum msm_vidc_buffer_type type);
+ int (*min_count)(struct msm_vidc_inst *inst, enum msm_vidc_buffer_type type);
+ int (*extra_count)(struct msm_vidc_inst *inst, enum msm_vidc_buffer_type type);
+ int (*ring_buf_count)(struct msm_vidc_inst *inst, u32 data_size);
+};
+
+struct msm_vidc_mem_list_info {
+ struct msm_vidc_mem_list bin;
+ struct msm_vidc_mem_list arp;
+ struct msm_vidc_mem_list comv;
+ struct msm_vidc_mem_list non_comv;
+ struct msm_vidc_mem_list line;
+ struct msm_vidc_mem_list dpb;
+ struct msm_vidc_mem_list persist;
+ struct msm_vidc_mem_list vpss;
+};
+
+struct msm_vidc_buffers_info {
+ struct msm_vidc_buffers input;
+ struct msm_vidc_buffers output;
+ struct msm_vidc_buffers read_only;
+ struct msm_vidc_buffers bin;
+ struct msm_vidc_buffers arp;
+ struct msm_vidc_buffers comv;
+ struct msm_vidc_buffers non_comv;
+ struct msm_vidc_buffers line;
+ struct msm_vidc_buffers dpb;
+ struct msm_vidc_buffers persist;
+ struct msm_vidc_buffers vpss;
+};
+
+struct buf_queue {
+ struct vb2_queue *vb2q;
+};
+
+/**
+ * struct msm_vidc_inst - holds per instance parameters
+ *
+ * @list: used for attach an instance to the core
+ * @lock: lock for this structure
+ * @ctx_q_lock: lock to serialize ioctls calls related to queues
+ * @client_lock: lock to serialize ioctls
+ * @state: instnace state
+ * @event_handle: handler for different v4l2 ioctls
+ * @sub_state: substate of instance
+ * @sub_state_name: substate name
+ * @domain: domain type: encoder or decoder
+ * @codec: codec type
+ * @core: pointer to core structure
+ * @kref: instance reference
+ * @session_id: id of current session
+ * @debug_str: debug string
+ * @packet: HFI packet
+ * @packet_size: HFI packet size
+ * @fmts: structure of v4l2_format
+ * @ctrl_handler: reference of v4l2 ctrl handler
+ * @fh: reference of v4l2 file handler
+ * @m2m_dev: m2m device handle
+ * @m2m_ctx: m2m device context
+ * @num_ctrls: supported number of controls
+ * @hfi_rc_type: type of HFI rate control
+ * @hfi_layer_type: type of HFI layer encoding
+ * @bufq: array of vb2 queue
+ * @crop: structure of crop info
+ * @compose: structure of compose info
+ * @power: structure of power info
+ * @bus_data: structure of bus data
+ * @pool: array of memory pool of buffers
+ * @buffers: structure of buffer info
+ * @mem_info: structure of memory info
+ * @timestamps: structure of timestamp related info
+ * @subcr_params: array of subscription params which driver subscribes to fw
+ * @hfi_frame_info: structure of frame info
+ * @decode_batch: strtucre of decode batch
+ * @decode_vpp_delay: structure for vpp delay related info
+ * @session_idle: structure of idle session related info
+ * @stats_work: delayed work for buffer stats
+ * @workq: pointer to workqueue
+ * @enc_input_crs: list head of input compression rations
+ * @dmabuf_tracker: list head of dambuf tracker
+ * @input_timer_list: list head of input timer
+ * @caps_list: list head of capability
+ * @children_list: list head of children list of caps
+ * @firmware_list: list head of fw list of cap which will be set to cap
+ * @buffer_stats_list: list head of buffer stats
+ * @once_per_session_set: boolean to set once per session property
+ * @ipsc_properties_set: boolean to set ipsc properties to fw
+ * @opsc_properties_set: boolean to set opsc properties to fw
+ * @caps_list_prepared: boolean to prepare capability list
+ * @debugfs_root: root of debugfs
+ * @debug_count: count for ETBs, EBDs, FTBs and FBDs
+ * @stats: structure for bw stats
+ * @capabilities: array of supported instance capabilities
+ * @completions: structure of signal completions
+ * @active: boolean for active instances
+ * @last_qbuf_time_ns: time of last qbuf to driver
+ * @initial_time_us: start timestamp
+ * @max_input_data_size: max size of input data
+ * @dpb_list_payload: array of dpb buffers
+ * @input_dpb_list_enabled: boolean for input dpb buffer list
+ * @output_dpb_list_enabled: boolean for output dpb buffer list
+ * @max_rate: max input rate
+ * @has_bframe: boolean for B frame
+ * @ir_enabled: boolean for intra refresh
+ * @iframe: boolean for I frame
+ * @fw_min_count: minimnum count of buffers needed by fw
+ */
+
+struct msm_vidc_inst {
+ struct list_head list;
+ struct mutex lock; /* instance lock */
+ /* lock to serialize IOCTL calls related to queues */
+ struct mutex ctx_q_lock;
+ struct mutex client_lock; /* lock to serialize IOCTLs */
+ enum msm_vidc_state state;
+ int (*event_handle)(struct msm_vidc_inst *inst,
+ enum msm_vidc_event event, void *data);
+ enum msm_vidc_sub_state sub_state;
+ char sub_state_name[MAX_NAME_LENGTH];
+ enum msm_vidc_domain_type domain;
+ enum msm_vidc_codec_type codec;
+ void *core;
+ struct kref kref;
+ u32 session_id;
+ u8 debug_str[24];
+ void *packet;
+ u32 packet_size;
+ struct v4l2_format fmts[MAX_PORT];
+ struct v4l2_ctrl_handler ctrl_handler;
+ struct v4l2_fh fh;
+ struct v4l2_m2m_dev *m2m_dev;
+ struct v4l2_m2m_ctx *m2m_ctx;
+ u32 num_ctrls;
+ enum hfi_rate_control hfi_rc_type;
+ enum hfi_layer_encoding_type hfi_layer_type;
+ struct buf_queue bufq[MAX_PORT];
+ struct msm_vidc_rectangle crop;
+ struct msm_vidc_rectangle compose;
+ struct msm_vidc_power power;
+ struct vidc_bus_vote_data bus_data;
+ struct msm_memory_pool pool[MSM_MEM_POOL_MAX];
+ struct msm_vidc_buffers_info buffers;
+ struct msm_vidc_mem_list_info mem_info;
+ struct msm_vidc_timestamps timestamps;
+ struct msm_vidc_subscription_params subcr_params[MAX_PORT];
+ struct msm_vidc_hfi_frame_info hfi_frame_info;
+ struct msm_vidc_decode_batch decode_batch;
+ struct msm_vidc_decode_vpp_delay decode_vpp_delay;
+ struct msm_vidc_session_idle session_idle;
+ struct delayed_work stats_work;
+ struct workqueue_struct *workq;
+ struct list_head enc_input_crs;
+ struct list_head dmabuf_tracker; /* struct msm_memory_dmabuf */
+ struct list_head input_timer_list; /* struct msm_vidc_input_timer */
+ struct list_head caps_list;
+ struct list_head children_list; /* struct msm_vidc_inst_cap_entry */
+ struct list_head firmware_list; /* struct msm_vidc_inst_cap_entry */
+ struct list_head buffer_stats_list; /* struct msm_vidc_buffer_stats */
+ bool once_per_session_set;
+ bool ipsc_properties_set;
+ bool opsc_properties_set;
+ bool caps_list_prepared;
+ struct dentry *debugfs_root;
+ struct debug_buf_count debug_count;
+ struct msm_vidc_statistics stats;
+ struct msm_vidc_inst_cap capabilities[INST_CAP_MAX + 1];
+ struct completion completions[MAX_SIGNAL];
+ bool active;
+ u64 last_qbuf_time_ns;
+ u64 initial_time_us;
+ u32 max_input_data_size;
+ u32 dpb_list_payload[MAX_DPB_LIST_ARRAY_SIZE];
+ bool input_dpb_list_enabled;
+ bool output_dpb_list_enabled;
+ u32 max_rate;
+ bool has_bframe;
+ bool ir_enabled;
+ bool iframe;
+ u32 fw_min_count;
+};
+
+#endif // _MSM_VIDC_INST_H_
--
2.7.4