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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/platform/amphion/vpu.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/platform/amphion/vpu.h')
-rw-r--r--drivers/media/platform/amphion/vpu.h366
1 files changed, 366 insertions, 0 deletions
diff --git a/drivers/media/platform/amphion/vpu.h b/drivers/media/platform/amphion/vpu.h
new file mode 100644
index 000000000..deb2288d4
--- /dev/null
+++ b/drivers/media/platform/amphion/vpu.h
@@ -0,0 +1,366 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2020-2021 NXP
+ */
+
+#ifndef _AMPHION_VPU_H
+#define _AMPHION_VPU_H
+
+#include <media/v4l2-device.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-mem2mem.h>
+#include <linux/mailbox_client.h>
+#include <linux/mailbox_controller.h>
+#include <linux/kfifo.h>
+
+#define VPU_TIMEOUT_WAKEUP msecs_to_jiffies(200)
+#define VPU_TIMEOUT msecs_to_jiffies(1000)
+#define VPU_INST_NULL_ID (-1L)
+#define VPU_MSG_BUFFER_SIZE (8192)
+
+enum imx_plat_type {
+ IMX8QXP = 0,
+ IMX8QM = 1,
+ IMX8DM,
+ IMX8DX,
+ PLAT_TYPE_RESERVED
+};
+
+enum vpu_core_type {
+ VPU_CORE_TYPE_ENC = 0,
+ VPU_CORE_TYPE_DEC = 0x10,
+};
+
+struct vpu_dev;
+struct vpu_resources {
+ enum imx_plat_type plat_type;
+ u32 mreg_base;
+ int (*setup)(struct vpu_dev *vpu);
+ int (*setup_encoder)(struct vpu_dev *vpu);
+ int (*setup_decoder)(struct vpu_dev *vpu);
+ int (*reset)(struct vpu_dev *vpu);
+};
+
+struct vpu_buffer {
+ void *virt;
+ dma_addr_t phys;
+ u32 length;
+ u32 bytesused;
+ struct device *dev;
+};
+
+struct vpu_func {
+ struct video_device *vfd;
+ struct v4l2_m2m_dev *m2m_dev;
+ enum vpu_core_type type;
+ int function;
+};
+
+struct vpu_dev {
+ void __iomem *base;
+ struct platform_device *pdev;
+ struct device *dev;
+ struct mutex lock; /* protect vpu device */
+ const struct vpu_resources *res;
+ struct list_head cores;
+
+ struct v4l2_device v4l2_dev;
+ struct vpu_func encoder;
+ struct vpu_func decoder;
+ struct media_device mdev;
+
+ struct delayed_work watchdog_work;
+ void (*get_vpu)(struct vpu_dev *vpu);
+ void (*put_vpu)(struct vpu_dev *vpu);
+ void (*get_enc)(struct vpu_dev *vpu);
+ void (*put_enc)(struct vpu_dev *vpu);
+ void (*get_dec)(struct vpu_dev *vpu);
+ void (*put_dec)(struct vpu_dev *vpu);
+ atomic_t ref_vpu;
+ atomic_t ref_enc;
+ atomic_t ref_dec;
+
+ struct dentry *debugfs;
+};
+
+struct vpu_format {
+ u32 pixfmt;
+ unsigned int num_planes;
+ u32 type;
+ u32 flags;
+ u32 width;
+ u32 height;
+ u32 sizeimage[VIDEO_MAX_PLANES];
+ u32 bytesperline[VIDEO_MAX_PLANES];
+ u32 field;
+};
+
+struct vpu_core_resources {
+ enum vpu_core_type type;
+ const char *fwname;
+ u32 stride;
+ u32 max_width;
+ u32 min_width;
+ u32 step_width;
+ u32 max_height;
+ u32 min_height;
+ u32 step_height;
+ u32 rpc_size;
+ u32 fwlog_size;
+ u32 act_size;
+};
+
+struct vpu_mbox {
+ char name[20];
+ struct mbox_client cl;
+ struct mbox_chan *ch;
+ bool block;
+};
+
+enum vpu_core_state {
+ VPU_CORE_DEINIT = 0,
+ VPU_CORE_ACTIVE,
+ VPU_CORE_HANG
+};
+
+struct vpu_core {
+ void __iomem *base;
+ struct platform_device *pdev;
+ struct device *dev;
+ struct device *parent;
+ struct device *pd;
+ struct device_link *pd_link;
+ struct mutex lock; /* protect vpu core */
+ struct mutex cmd_lock; /* Lock vpu command */
+ struct list_head list;
+ enum vpu_core_type type;
+ int id;
+ const struct vpu_core_resources *res;
+ unsigned long instance_mask;
+ u32 supported_instance_count;
+ unsigned long hang_mask;
+ u32 request_count;
+ struct list_head instances;
+ enum vpu_core_state state;
+ u32 fw_version;
+
+ struct vpu_buffer fw;
+ struct vpu_buffer rpc;
+ struct vpu_buffer log;
+ struct vpu_buffer act;
+
+ struct vpu_mbox tx_type;
+ struct vpu_mbox tx_data;
+ struct vpu_mbox rx;
+ unsigned long cmd_seq;
+
+ wait_queue_head_t ack_wq;
+ struct completion cmp;
+ struct workqueue_struct *workqueue;
+ struct work_struct msg_work;
+ struct delayed_work msg_delayed_work;
+ struct kfifo msg_fifo;
+ void *msg_buffer;
+ unsigned int msg_buffer_size;
+
+ struct vpu_dev *vpu;
+ void *iface;
+
+ struct dentry *debugfs;
+ struct dentry *debugfs_fwlog;
+};
+
+enum vpu_codec_state {
+ VPU_CODEC_STATE_DEINIT = 1,
+ VPU_CODEC_STATE_CONFIGURED,
+ VPU_CODEC_STATE_START,
+ VPU_CODEC_STATE_STARTED,
+ VPU_CODEC_STATE_ACTIVE,
+ VPU_CODEC_STATE_SEEK,
+ VPU_CODEC_STATE_STOP,
+ VPU_CODEC_STATE_DRAIN,
+ VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE,
+};
+
+struct vpu_frame_info {
+ u32 type;
+ u32 id;
+ u32 sequence;
+ u32 luma;
+ u32 chroma_u;
+ u32 chroma_v;
+ u32 data_offset;
+ u32 flags;
+ u32 skipped;
+ s64 timestamp;
+};
+
+struct vpu_inst;
+struct vpu_inst_ops {
+ int (*ctrl_init)(struct vpu_inst *inst);
+ int (*start)(struct vpu_inst *inst, u32 type);
+ int (*stop)(struct vpu_inst *inst, u32 type);
+ int (*abort)(struct vpu_inst *inst);
+ bool (*check_ready)(struct vpu_inst *inst, unsigned int type);
+ void (*buf_done)(struct vpu_inst *inst, struct vpu_frame_info *frame);
+ void (*event_notify)(struct vpu_inst *inst, u32 event, void *data);
+ void (*release)(struct vpu_inst *inst);
+ void (*cleanup)(struct vpu_inst *inst);
+ void (*mem_request)(struct vpu_inst *inst,
+ u32 enc_frame_size,
+ u32 enc_frame_num,
+ u32 ref_frame_size,
+ u32 ref_frame_num,
+ u32 act_frame_size,
+ u32 act_frame_num);
+ void (*input_done)(struct vpu_inst *inst);
+ void (*stop_done)(struct vpu_inst *inst);
+ int (*process_output)(struct vpu_inst *inst, struct vb2_buffer *vb);
+ int (*process_capture)(struct vpu_inst *inst, struct vb2_buffer *vb);
+ int (*get_one_frame)(struct vpu_inst *inst, void *info);
+ void (*on_queue_empty)(struct vpu_inst *inst, u32 type);
+ int (*get_debug_info)(struct vpu_inst *inst, char *str, u32 size, u32 i);
+ void (*wait_prepare)(struct vpu_inst *inst);
+ void (*wait_finish)(struct vpu_inst *inst);
+};
+
+struct vpu_inst {
+ struct list_head list;
+ struct mutex lock; /* v4l2 and videobuf2 lock */
+ struct vpu_dev *vpu;
+ struct vpu_core *core;
+ struct device *dev;
+ int id;
+
+ struct v4l2_fh fh;
+ struct v4l2_ctrl_handler ctrl_handler;
+ atomic_t ref_count;
+ int (*release)(struct vpu_inst *inst);
+
+ enum vpu_codec_state state;
+ enum vpu_core_type type;
+
+ struct workqueue_struct *workqueue;
+ struct work_struct msg_work;
+ struct kfifo msg_fifo;
+ u8 msg_buffer[VPU_MSG_BUFFER_SIZE];
+
+ struct vpu_buffer stream_buffer;
+ bool use_stream_buffer;
+ struct vpu_buffer act;
+
+ struct list_head cmd_q;
+ void *pending;
+
+ struct vpu_inst_ops *ops;
+ const struct vpu_format *formats;
+ struct vpu_format out_format;
+ struct vpu_format cap_format;
+ u32 min_buffer_cap;
+ u32 min_buffer_out;
+ u32 total_input_count;
+
+ struct v4l2_rect crop;
+ u32 colorspace;
+ u8 ycbcr_enc;
+ u8 quantization;
+ u8 xfer_func;
+ u32 sequence;
+ u32 extra_size;
+
+ u32 flows[16];
+ u32 flow_idx;
+
+ pid_t pid;
+ pid_t tgid;
+ struct dentry *debugfs;
+
+ void *priv;
+};
+
+#define call_vop(inst, op, args...) \
+ ((inst)->ops->op ? (inst)->ops->op(inst, ##args) : 0) \
+
+#define call_void_vop(inst, op, args...) \
+ do { \
+ if ((inst)->ops->op) \
+ (inst)->ops->op(inst, ##args); \
+ } while (0)
+
+enum {
+ VPU_BUF_STATE_IDLE = 0,
+ VPU_BUF_STATE_INUSE,
+ VPU_BUF_STATE_DECODED,
+ VPU_BUF_STATE_READY,
+ VPU_BUF_STATE_SKIP,
+ VPU_BUF_STATE_ERROR
+};
+
+struct vpu_vb2_buffer {
+ struct v4l2_m2m_buffer m2m_buf;
+ dma_addr_t luma;
+ dma_addr_t chroma_u;
+ dma_addr_t chroma_v;
+ unsigned int state;
+ u32 tag;
+};
+
+void vpu_writel(struct vpu_dev *vpu, u32 reg, u32 val);
+u32 vpu_readl(struct vpu_dev *vpu, u32 reg);
+
+static inline struct vpu_vb2_buffer *to_vpu_vb2_buffer(struct vb2_v4l2_buffer *vbuf)
+{
+ struct v4l2_m2m_buffer *m2m_buf = container_of(vbuf, struct v4l2_m2m_buffer, vb);
+
+ return container_of(m2m_buf, struct vpu_vb2_buffer, m2m_buf);
+}
+
+static inline const char *vpu_core_type_desc(enum vpu_core_type type)
+{
+ return type == VPU_CORE_TYPE_ENC ? "encoder" : "decoder";
+}
+
+static inline struct vpu_inst *to_inst(struct file *filp)
+{
+ return container_of(filp->private_data, struct vpu_inst, fh);
+}
+
+#define ctrl_to_inst(ctrl) \
+ container_of((ctrl)->handler, struct vpu_inst, ctrl_handler)
+
+const struct v4l2_ioctl_ops *venc_get_ioctl_ops(void);
+const struct v4l2_file_operations *venc_get_fops(void);
+const struct v4l2_ioctl_ops *vdec_get_ioctl_ops(void);
+const struct v4l2_file_operations *vdec_get_fops(void);
+
+int vpu_add_func(struct vpu_dev *vpu, struct vpu_func *func);
+void vpu_remove_func(struct vpu_func *func);
+
+struct vpu_inst *vpu_inst_get(struct vpu_inst *inst);
+void vpu_inst_put(struct vpu_inst *inst);
+struct vpu_core *vpu_request_core(struct vpu_dev *vpu, enum vpu_core_type type);
+void vpu_release_core(struct vpu_core *core);
+int vpu_inst_register(struct vpu_inst *inst);
+int vpu_inst_unregister(struct vpu_inst *inst);
+const struct vpu_core_resources *vpu_get_resource(struct vpu_inst *inst);
+
+int vpu_inst_create_dbgfs_file(struct vpu_inst *inst);
+int vpu_inst_remove_dbgfs_file(struct vpu_inst *inst);
+int vpu_core_create_dbgfs_file(struct vpu_core *core);
+int vpu_core_remove_dbgfs_file(struct vpu_core *core);
+void vpu_inst_record_flow(struct vpu_inst *inst, u32 flow);
+
+int vpu_core_driver_init(void);
+void vpu_core_driver_exit(void);
+
+const char *vpu_id_name(u32 id);
+const char *vpu_codec_state_name(enum vpu_codec_state state);
+
+extern bool debug;
+#define vpu_trace(dev, fmt, arg...) \
+ do { \
+ if (debug) \
+ dev_info(dev, "%s: " fmt, __func__, ## arg); \
+ } while (0)
+
+#endif