drivers/media/pci/solo6x10/solo6x10.h - LeafOS-Devices/android_kernel_samsung_universal7904 - Gitiles

 /*
  * 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 <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;
 	void			*alloc_ctx;
 	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;

 	/* 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;
 	struct vb2_alloc_ctx	*alloc_ctx;
 	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 */
	/*
	* 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 <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;
	void *alloc_ctx;
	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;

	/* 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;
	struct vb2_alloc_ctx *alloc_ctx;
	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 */