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/*
* Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com>
*
* Original author:
* Ben Collins <bcollins@ubuntu.com>
*
* Additional work by:
* John Brooks <john.brooks@bluecherry.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 __SOLO6X10_H
#define __SOLO6X10_H
#include <linux/pci.h>
#include <linux/i2c.h>
#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/wait.h>
#include <linux/stringify.h>
#include <linux/io.h>
#include <linux/atomic.h>
#include <linux/slab.h>
#include <linux/videodev2.h>
#include <linux/gpio/driver.h>
#include <media/v4l2-dev.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <media/videobuf2-v4l2.h>
#include "solo6x10-regs.h"
#ifndef PCI_VENDOR_ID_SOFTLOGIC
#define PCI_VENDOR_ID_SOFTLOGIC 0x9413
#define PCI_DEVICE_ID_SOLO6010 0x6010
#define PCI_DEVICE_ID_SOLO6110 0x6110
#endif
#ifndef PCI_VENDOR_ID_BLUECHERRY
#define PCI_VENDOR_ID_BLUECHERRY 0x1BB3
/* Neugent Softlogic 6010 based cards */
#define PCI_DEVICE_ID_NEUSOLO_4 0x4304
#define PCI_DEVICE_ID_NEUSOLO_9 0x4309
#define PCI_DEVICE_ID_NEUSOLO_16 0x4310
/* Bluecherry Softlogic 6010 based cards */
#define PCI_DEVICE_ID_BC_SOLO_4 0x4E04
#define PCI_DEVICE_ID_BC_SOLO_9 0x4E09
#define PCI_DEVICE_ID_BC_SOLO_16 0x4E10
/* Bluecherry Softlogic 6110 based cards */
#define PCI_DEVICE_ID_BC_6110_4 0x5304
#define PCI_DEVICE_ID_BC_6110_8 0x5308
#define PCI_DEVICE_ID_BC_6110_16 0x5310
#endif /* Bluecherry */
/* Used in pci_device_id, and solo_dev->type */
#define SOLO_DEV_6010 0
#define SOLO_DEV_6110 1
#define SOLO6X10_NAME "solo6x10"
#define SOLO_MAX_CHANNELS 16
#define SOLO6X10_VERSION "3.0.0"
/*
* The SOLO6x10 actually has 8 i2c channels, but we only use 2.
* 0 - Techwell chip(s)
* 1 - SAA7128
*/
#define SOLO_I2C_ADAPTERS 2
#define SOLO_I2C_TW 0
#define SOLO_I2C_SAA 1
/* DMA Engine setup */
#define SOLO_NR_P2M 4
#define SOLO_NR_P2M_DESC 256
#define SOLO_P2M_DESC_SIZE (SOLO_NR_P2M_DESC * 16)
/* Encoder standard modes */
#define SOLO_ENC_MODE_CIF 2
#define SOLO_ENC_MODE_HD1 1
#define SOLO_ENC_MODE_D1 9
#define SOLO_DEFAULT_QP 3
#define SOLO_CID_CUSTOM_BASE (V4L2_CID_USER_BASE | 0xf000)
#define V4L2_CID_MOTION_TRACE (SOLO_CID_CUSTOM_BASE+2)
#define V4L2_CID_OSD_TEXT (SOLO_CID_CUSTOM_BASE+3)
/*
* Motion thresholds are in a table of 64x64 samples, with
* each sample representing 16x16 pixels of the source. In
* effect, 44x30 samples are used for NTSC, and 44x36 for PAL.
* The 5th sample on the 10th row is (10*64)+5 = 645.
*
* Internally it is stored as a 45x45 array (45*16 = 720, which is the
* maximum PAL/NTSC width).
*/
#define SOLO_MOTION_SZ (45)
enum SOLO_I2C_STATE {
IIC_STATE_IDLE,
IIC_STATE_START,
IIC_STATE_READ,
IIC_STATE_WRITE,
IIC_STATE_STOP
};
/* Defined in Table 4-16, Page 68-69 of the 6010 Datasheet */
struct solo_p2m_desc {
u32 ctrl;
u32 cfg;
u32 dma_addr;
u32 ext_addr;
};
struct solo_p2m_dev {
struct mutex mutex;
struct completion completion;
int desc_count;
int desc_idx;
struct solo_p2m_desc *descs;
int error;
};
#define OSD_TEXT_MAX 44
struct solo_vb2_buf {
struct vb2_v4l2_buffer vb;
struct list_head list;
};
enum solo_enc_types {
SOLO_ENC_TYPE_STD,
SOLO_ENC_TYPE_EXT,
};
struct solo_enc_dev {
struct solo_dev *solo_dev;
/* V4L2 Items */
struct v4l2_ctrl_handler hdl;
struct v4l2_ctrl *md_thresholds;
struct video_device *vfd;
/* General accounting */
struct mutex lock;
spinlock_t motion_lock;
u8 ch;
u8 mode, gop, qp, interlaced, interval;
u8 bw_weight;
u16 motion_thresh;
bool motion_global;
bool motion_enabled;
u16 width;
u16 height;
/* OSD buffers */
char osd_text[OSD_TEXT_MAX + 1];
u8 osd_buf[SOLO_EOSD_EXT_SIZE_MAX]
__aligned(4);
/* VOP stuff */
u8 vop[64];
int vop_len;
u8 jpeg_header[1024];
int jpeg_len;
u32 fmt;
enum solo_enc_types type;
u32 sequence;
struct vb2_queue vidq;
struct list_head vidq_active;
int desc_count;
int desc_nelts;
struct solo_p2m_desc *desc_items;
dma_addr_t desc_dma;
spinlock_t av_lock;
};
/* The SOLO6x10 PCI Device */
struct solo_dev {
/* General stuff */
struct pci_dev *pdev;
int type;
unsigned int time_sync;
unsigned int usec_lsb;
unsigned int clock_mhz;
u8 __iomem *reg_base;
int nr_chans;
int nr_ext;
u32 irq_mask;
u32 motion_mask;
struct v4l2_device v4l2_dev;
#ifdef CONFIG_GPIOLIB
/* GPIO */
struct gpio_chip gpio_dev;
#endif
/* tw28xx accounting */
u8 tw2865, tw2864, tw2815;
u8 tw28_cnt;
/* i2c related items */
struct i2c_adapter i2c_adap[SOLO_I2C_ADAPTERS];
enum SOLO_I2C_STATE i2c_state;
struct mutex i2c_mutex;
int i2c_id;
wait_queue_head_t i2c_wait;
struct i2c_msg *i2c_msg;
unsigned int i2c_msg_num;
unsigned int i2c_msg_ptr;
/* P2M DMA Engine */
struct solo_p2m_dev p2m_dev[SOLO_NR_P2M];
atomic_t p2m_count;
int p2m_jiffies;
unsigned int p2m_timeouts;
/* V4L2 Display items */
struct video_device *vfd;
unsigned int erasing;
unsigned int frame_blank;
u8 cur_disp_ch;
wait_queue_head_t disp_thread_wait;
struct v4l2_ctrl_handler disp_hdl;
/* V4L2 Encoder items */
struct solo_enc_dev *v4l2_enc[SOLO_MAX_CHANNELS];
u16 enc_bw_remain;
/* IDX into hw mp4 encoder */
u8 enc_idx;
/* Current video settings */
u32 video_type;
u16 video_hsize, video_vsize;
u16 vout_hstart, vout_vstart;
u16 vin_hstart, vin_vstart;
u8 fps;
/* JPEG Qp setting */
spinlock_t jpeg_qp_lock;
u32 jpeg_qp[2];
/* Audio components */
struct snd_card *snd_card;
struct snd_pcm *snd_pcm;
atomic_t snd_users;
int g723_hw_idx;
/* sysfs stuffs */
struct device dev;
int sdram_size;
struct bin_attribute sdram_attr;
unsigned int sys_config;
/* Ring thread */
struct task_struct *ring_thread;
wait_queue_head_t ring_thread_wait;
/* VOP_HEADER handling */
void *vh_buf;
dma_addr_t vh_dma;
int vh_size;
/* Buffer handling */
struct vb2_queue vidq;
u32 sequence;
struct task_struct *kthread;
struct mutex lock;
spinlock_t slock;
int old_write;
struct list_head vidq_active;
};
static inline u32 solo_reg_read(struct solo_dev *solo_dev, int reg)
{
return readl(solo_dev->reg_base + reg);
}
static inline void solo_reg_write(struct solo_dev *solo_dev, int reg,
u32 data)
{
u16 val;
writel(data, solo_dev->reg_base + reg);
pci_read_config_word(solo_dev->pdev, PCI_STATUS, &val);
}
static inline void solo_irq_on(struct solo_dev *dev, u32 mask)
{
dev->irq_mask |= mask;
solo_reg_write(dev, SOLO_IRQ_MASK, dev->irq_mask);
}
static inline void solo_irq_off(struct solo_dev *dev, u32 mask)
{
dev->irq_mask &= ~mask;
solo_reg_write(dev, SOLO_IRQ_MASK, dev->irq_mask);
}
/* Init/exit routines for subsystems */
int solo_disp_init(struct solo_dev *solo_dev);
void solo_disp_exit(struct solo_dev *solo_dev);
int solo_gpio_init(struct solo_dev *solo_dev);
void solo_gpio_exit(struct solo_dev *solo_dev);
int solo_i2c_init(struct solo_dev *solo_dev);
void solo_i2c_exit(struct solo_dev *solo_dev);
int solo_p2m_init(struct solo_dev *solo_dev);
void solo_p2m_exit(struct solo_dev *solo_dev);
int solo_v4l2_init(struct solo_dev *solo_dev, unsigned nr);
void solo_v4l2_exit(struct solo_dev *solo_dev);
int solo_enc_init(struct solo_dev *solo_dev);
void solo_enc_exit(struct solo_dev *solo_dev);
int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr);
void solo_enc_v4l2_exit(struct solo_dev *solo_dev);
int solo_g723_init(struct solo_dev *solo_dev);
void solo_g723_exit(struct solo_dev *solo_dev);
/* ISR's */
int solo_i2c_isr(struct solo_dev *solo_dev);
void solo_p2m_isr(struct solo_dev *solo_dev, int id);
void solo_p2m_error_isr(struct solo_dev *solo_dev);
void solo_enc_v4l2_isr(struct solo_dev *solo_dev);
void solo_g723_isr(struct solo_dev *solo_dev);
void solo_motion_isr(struct solo_dev *solo_dev);
void solo_video_in_isr(struct solo_dev *solo_dev);
/* i2c read/write */
u8 solo_i2c_readbyte(struct solo_dev *solo_dev, int id, u8 addr, u8 off);
void solo_i2c_writebyte(struct solo_dev *solo_dev, int id, u8 addr, u8 off,
u8 data);
/* P2M DMA */
int solo_p2m_dma_t(struct solo_dev *solo_dev, int wr,
dma_addr_t dma_addr, u32 ext_addr, u32 size,
int repeat, u32 ext_size);
int solo_p2m_dma(struct solo_dev *solo_dev, int wr,
void *sys_addr, u32 ext_addr, u32 size,
int repeat, u32 ext_size);
void solo_p2m_fill_desc(struct solo_p2m_desc *desc, int wr,
dma_addr_t dma_addr, u32 ext_addr, u32 size,
int repeat, u32 ext_size);
int solo_p2m_dma_desc(struct solo_dev *solo_dev,
struct solo_p2m_desc *desc, dma_addr_t desc_dma,
int desc_cnt);
/* Global s_std ioctl */
int solo_set_video_type(struct solo_dev *solo_dev, bool is_50hz);
void solo_update_mode(struct solo_enc_dev *solo_enc);
/* Set the threshold for motion detection */
int solo_set_motion_threshold(struct solo_dev *solo_dev, u8 ch, u16 val);
int solo_set_motion_block(struct solo_dev *solo_dev, u8 ch,
const u16 *thresholds);
#define SOLO_DEF_MOT_THRESH 0x0300
/* Write text on OSD */
int solo_osd_print(struct solo_enc_dev *solo_enc);
/* EEPROM commands */
unsigned int solo_eeprom_ewen(struct solo_dev *solo_dev, int w_en);
__be16 solo_eeprom_read(struct solo_dev *solo_dev, int loc);
int solo_eeprom_write(struct solo_dev *solo_dev, int loc,
__be16 data);
/* JPEG Qp functions */
void solo_s_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch,
unsigned int qp);
int solo_g_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch);
#define CHK_FLAGS(v, flags) (((v) & (flags)) == (flags))
#endif /* __SOLO6X10_H */
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