80d4596c1b
- 3fa71d3, [feat](saradc):Add pm api. - cfc34b, [fix](pwm):Change pwm setting don't need to disable pwm. Change-Id: If0f2ef94f163fd534ddcd8a07444081e7bc0fb5a
129 lines
2.9 KiB
C
129 lines
2.9 KiB
C
/*
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* Copyright (C) Cvitek Co., Ltd. 2019-2021. All rights reserved.
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*
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* File Name: cvi_jpeg.h
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* Description: jpeg system interface definition
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*/
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#ifndef __CVI_JPEG_H__
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#define __CVI_JPEG_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <linux/fs.h>
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#include <linux/types.h>
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#include <linux/list.h>
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#include <linux/cdev.h>
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#include "jpuconfig.h"
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#include "jmm.h"
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#define USE_VMALLOC_FOR_INSTANCE_POOL_MEMORY
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/* global device context to avoid kernal config mismatch in filp->private_data */
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#define JPU_SUPPORT_GLOBAL_DEVICE_CONTEXT
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typedef struct jpudrv_buffer_t {
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__u32 size;
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__u64 phys_addr;
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__u64 base; /* kernel logical address in use kernel */
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__u8 *virt_addr; /* virtual user space address */
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#ifdef __arm__
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__u32 padding; /* padding for keeping same size of this structure */
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#endif
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} jpudrv_buffer_t;
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/* To track the allocated memory buffer */
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struct jpudrv_buffer_pool_t {
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struct list_head list;
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struct jpudrv_buffer_t jb;
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struct file *filp;
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};
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struct jpudrv_instance_pool_t {
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unsigned char jpgInstPool[MAX_NUM_INSTANCE][MAX_INST_HANDLE_SIZE];
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};
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/* To track the instance index and buffer in instance pool */
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struct jpudrv_instanace_list_t {
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struct list_head list;
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unsigned long inst_idx;
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struct file *filp;
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};
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#define JPU_QUIRK_SUPPORT_CLOCK_CONTROL (1<<0)
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#define JPU_QUIRK_SUPPORT_SWITCH_TO_PLL (1<<1)
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#define JPU_QUIRK_SUPPORT_FPGA (1<<2)
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struct jpu_pltfm_data {
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const struct jpu_ops *ops;
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unsigned int quirks;
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unsigned int version;
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};
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struct cvi_jpu_device {
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struct device *dev;
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dev_t cdev_id;
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struct cdev cdev;
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int s_jpu_major;
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struct class *jpu_class;
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int jpu_irq;
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int interrupt_flag;
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// inc when JDI_IOCTL_OPEN_INSTANCE is called, dec when JDI_IOCTL_CLOSE_INSTANCE is called
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int open_instance_count;
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// inc when jpu_open is called, dec when jpu_release is called
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int process_count;
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struct clk *clk_axi_video_codec;
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struct clk *clk_jpeg;
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struct clk *clk_apb_jpeg;
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struct clk *clk_vc_src0;
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struct clk *clk_vc_src1;
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struct clk *clk_vc_src2;
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struct clk *clk_cfg_reg_vc;
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jpudrv_buffer_t jpu_instance_pool;
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struct jpudrv_buffer_t video_memory;
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struct jpu_mm_struct jmem;
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struct jpudrv_buffer_t jpu_register;
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struct jpudrv_buffer_t jpu_control_register;
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wait_queue_head_t interrupt_wait_q;
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spinlock_t jpu_lock;
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struct fasync_struct *async_queue;
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struct list_head s_jbp_head;
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struct list_head s_jpu_inst_list_head;
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const struct jpu_pltfm_data *pdata;
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};
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struct jpu_ops {
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void (*clk_get)(struct cvi_jpu_device *jdev);
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void (*clk_put)(struct cvi_jpu_device *jdev);
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void (*clk_enable)(struct cvi_jpu_device *jdev);
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void (*clk_disable)(struct cvi_jpu_device *jdev);
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void (*config_pll)(struct cvi_jpu_device *jdev);
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};
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struct jpu_intr_info_t {
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unsigned int timeout;
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int intr_reason;
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};
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#define JPEG_CLK_ENABLE 1
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#define JPEG_CLK_DISABLE 0
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extern bool __clk_is_enabled(struct clk *clk);
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#ifdef __cplusplus
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}
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#endif
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#endif // __CVI_JPEG_H__
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