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/* Copyright (c) 2012, Code Aurora Forum. All rights reserved.
*
* 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 VCAP_V4L2_H
#define VCAP_V4L2_H
#ifdef __KERNEL__
#include <linux/types.h>
#include <linux/videodev2.h>
#include <linux/platform_device.h>
#include <linux/workqueue.h>
#include <media/videobuf2-vmalloc.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-fh.h>
#include <media/v4l2-common.h>
#include <media/vcap_fmt.h>
#include <mach/board.h>
#include <mach/iommu_domains.h>
#define to_client_data(val) container_of(val, struct vcap_client_data, vfh)
#define writel_iowmb(val, addr) \
do { \
__iowmb(); \
writel_relaxed(val, addr); \
} while (0)
#define VCAP_USEC (1000000)
#define VCAP_STRIDE_ALIGN_16 0x10
#define VCAP_STRIDE_ALIGN_32 0x20
#define VCAP_STRIDE_CALC(x, align) (((x / align) + \
(!(!(x % align)))) * align)
#define VCAP_BASE (dev->vcapbase)
#define VCAP_OFFSET(off) (VCAP_BASE + off)
struct reg_range {
u32 min_val;
u32 max_val;
};
#define VCAP_REG_RANGE_1_MIN 0x0
#define VCAP_REG_RANGE_1_MAX 0x48
#define VCAP_REG_RANGE_2_MIN 0x100
#define VCAP_REG_RANGE_2_MAX 0x104
#define VCAP_REG_RANGE_3_MIN 0x400
#define VCAP_REG_RANGE_3_MAX 0x7F0
#define VCAP_REG_RANGE_4_MIN 0x800
#define VCAP_REG_RANGE_4_MAX 0x8A0
#define VCAP_REG_RANGE_5_MIN 0xC00
#define VCAP_REG_RANGE_5_MAX 0xDF0
#define VCAP_SW_RESET_REQ (VCAP_BASE + 0x024)
#define VCAP_SW_RESET_STATUS (VCAP_BASE + 0x028)
#define VCAP_VP_MIN_BUF 4
#define VCAP_VC_MAX_BUF 6
#define VCAP_VC_MIN_BUF 2
struct vcap_client_data;
enum vp_state {
VP_UNKNOWN = 0,
VP_FRAME1,
VP_FRAME2,
VP_FRAME3,
VP_NORMAL,
};
enum nr_buf_pos {
BUF_NOT_IN_USE = 0,
NRT2_BUF,
T1_BUF,
T0_BUF,
TM1_BUF,
};
struct vcap_buf_info {
unsigned long vaddr;
unsigned long size;
};
enum vcap_op_mode {
UNKNOWN_VCAP_OP = 0,
VC_VCAP_OP,
VP_VCAP_OP,
VC_AND_VP_VCAP_OP,
};
struct vc_action {
struct list_head active;
/* thread for generating video stream*/
wait_queue_head_t wq;
/* Buffer index */
uint8_t tot_buf;
uint8_t buf_num;
bool field1;
bool field_dropped;
struct timeval vc_ts;
uint32_t last_ts;
/* Buffers inside vc */
struct vcap_buffer *buf[6];
};
struct nr_buffer {
struct ion_handle *nr_handle;
unsigned long paddr;
enum nr_buf_pos nr_pos;
};
struct vp_action {
struct list_head in_active;
struct list_head out_active;
/* Buffer index */
enum vp_state vp_state;
/* Buffers inside vc */
struct vcap_buffer *bufTm1;
struct vcap_buffer *bufT0;
struct vcap_buffer *bufT1;
struct vcap_buffer *bufT2;
struct vcap_buffer *bufNRT2;
struct vcap_buffer *bufOut;
struct ion_handle *motionHandle;
void *bufMotion;
struct nr_buffer bufNR;
};
struct vp_work_t {
struct work_struct work;
struct vcap_client_data *cd;
};
struct vcap_debugfs_params {
atomic_t vc_drop_count;
uint32_t vc_timestamp;
uint32_t vp_timestamp;
uint32_t vp_ewma;/* Exponential moving average */
uint32_t clk_rate;
uint32_t bw_request;
uint32_t reg_addr;
};
struct vcap_dev {
struct v4l2_device v4l2_dev;
struct video_device *vfd;
struct ion_client *ion_client;
struct resource *vcirq;
struct resource *vpirq;
struct resource *vcapmem;
struct resource *vcapio;
void __iomem *vcapbase;
struct vcap_platform_data *vcap_pdata;
struct regulator *fs_vcap;
struct clk *vcap_clk;
struct clk *vcap_p_clk;
struct clk *vcap_npl_clk;
struct device *ddev;
/*struct platform_device *pdev;*/
uint32_t bus_client_handle;
int domain_num;
struct device *vc_iommu_ctx;
struct device *vp_iommu_ctx;
struct iommu_domain *iommu_vcap_domain;
struct vcap_client_data *vc_client;
struct vcap_client_data *vp_client;
atomic_t vc_enabled;
atomic_t vp_enabled;
struct mutex dev_mutex;
atomic_t open_clients;
bool vc_resource;
bool vp_resource;
bool vp_dummy_event;
bool vp_dummy_complete;
bool vp_shutdown;
wait_queue_head_t vp_dummy_waitq;
uint8_t vc_tot_buf;
struct workqueue_struct *vcap_wq;
struct vp_work_t vp_work;
struct vp_work_t vc_to_vp_work;
struct vp_work_t vp_to_vc_work;
struct nr_param nr_param;
bool nr_update;
struct vcap_debugfs_params dbg_p;
};
struct vp_format_data {
unsigned int width, height;
unsigned int pixfmt;
};
struct vcap_buffer {
/* common v4l buffer stuff -- must be first */
struct vb2_buffer vb;
struct list_head list;
unsigned long paddr;
struct ion_handle *ion_handle;
};
struct vcap_client_data {
bool set_cap, set_decode, set_vp_o;
struct vcap_dev *dev;
struct vb2_queue vc_vidq;
struct vb2_queue vp_in_vidq;
struct vb2_queue vp_out_vidq;
enum vcap_op_mode op_mode;
struct v4l2_format_vc_ext vc_format;
enum vcap_stride stride;
enum v4l2_buf_type vp_buf_type_field;
struct vp_format_data vp_in_fmt;
struct vp_format_data vp_out_fmt;
struct vc_action vc_action;
struct vp_action vp_action;
struct workqueue_struct *vcap_work_q;
struct ion_handle *vc_ion_handle;
uint32_t hold_vc;
uint32_t hold_vp;
/* Mutex ensures only one thread is dq buffer or turning streamoff */
struct mutex mutex;
spinlock_t cap_slock;
bool streaming;
struct v4l2_fh vfh;
};
struct vcap_hacked_vals {
uint32_t value;
uint32_t offset;
};
extern struct vcap_hacked_vals hacked_buf[];
#endif
int vcvp_qbuf(struct vb2_queue *q, struct v4l2_buffer *b);
int vcvp_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b);
#endif