include/media/saa7146.h - kernel/msm - Gitiles

 #ifndef __SAA7146__
 #define __SAA7146__

 #include <linux/module.h>	/* for module-version */
 #include <linux/delay.h>	/* for delay-stuff */
 #include <linux/slab.h>		/* for kmalloc/kfree */
 #include <linux/pci.h>		/* for pci-config-stuff, vendor ids etc. */
 #include <linux/init.h>		/* for "__init" */
 #include <linux/interrupt.h>	/* for IMMEDIATE_BH */
 #include <linux/kmod.h>		/* for kernel module loader */
 #include <linux/i2c.h>		/* for i2c subsystem */
 #include <asm/io.h>		/* for accessing devices */
 #include <linux/stringify.h>
 #include <linux/mutex.h>
 #include <linux/scatterlist.h>
 #include <media/v4l2-device.h>

 #include <linux/vmalloc.h>	/* for vmalloc() */
 #include <linux/mm.h>		/* for vmalloc_to_page() */

 #define SAA7146_VERSION_CODE 0x000600	/* 0.6.0 */

 #define saa7146_write(sxy,adr,dat)    writel((dat),(sxy->mem+(adr)))
 #define saa7146_read(sxy,adr)         readl(sxy->mem+(adr))

 extern unsigned int saa7146_debug;

 #ifndef DEBUG_VARIABLE
 	#define DEBUG_VARIABLE saa7146_debug
 #endif

 #define ERR(fmt, ...)	pr_err("%s: " fmt, __func__, ##__VA_ARGS__)

 #define _DBG(mask, fmt, ...)						\
 do {									\
 	if (DEBUG_VARIABLE & mask)					\
 		pr_debug("%s(): " fmt, __func__, ##__VA_ARGS__);	\
 } while (0)

 /* simple debug messages */
 #define DEB_S(fmt, ...)		_DBG(0x01, fmt, ##__VA_ARGS__)
 /* more detailed debug messages */
 #define DEB_D(fmt, ...)		_DBG(0x02, fmt, ##__VA_ARGS__)
 /* print enter and exit of functions */
 #define DEB_EE(fmt, ...)	_DBG(0x04, fmt, ##__VA_ARGS__)
 /* i2c debug messages */
 #define DEB_I2C(fmt, ...)	_DBG(0x08, fmt, ##__VA_ARGS__)
 /* vbi debug messages */
 #define DEB_VBI(fmt, ...)	_DBG(0x10, fmt, ##__VA_ARGS__)
 /* interrupt debug messages */
 #define DEB_INT(fmt, ...)	_DBG(0x20, fmt, ##__VA_ARGS__)
 /* capture debug messages */
 #define DEB_CAP(fmt, ...)	_DBG(0x40, fmt, ##__VA_ARGS__)

 #define SAA7146_ISR_CLEAR(x,y) \
 	saa7146_write(x, ISR, (y));

 struct saa7146_dev;
 struct saa7146_extension;
 struct saa7146_vv;

 /* saa7146 page table */
 struct saa7146_pgtable {
 	unsigned int	size;
 	__le32		*cpu;
 	dma_addr_t	dma;
 	/* used for offsets for u,v planes for planar capture modes */
 	unsigned long	offset;
 	/* used for custom pagetables (used for example by budget dvb cards) */
 	struct scatterlist *slist;
 	int		nents;
 };

 struct saa7146_pci_extension_data {
 	struct saa7146_extension *ext;
 	void *ext_priv;			/* most likely a name string */
 };

 #define MAKE_EXTENSION_PCI(x_var, x_vendor, x_device)		\
 	{							\
 		.vendor    = PCI_VENDOR_ID_PHILIPS,		\
 		.device	   = PCI_DEVICE_ID_PHILIPS_SAA7146,	\
 		.subvendor = x_vendor,				\
 		.subdevice = x_device,				\
 		.driver_data = (unsigned long)& x_var,		\
 	}

 struct saa7146_extension
 {
 	char	name[32];		/* name of the device */
 #define SAA7146_USE_I2C_IRQ	0x1
 #define SAA7146_I2C_SHORT_DELAY	0x2
 	int	flags;

 	/* pairs of subvendor and subdevice ids for
 	   supported devices, last entry 0xffff, 0xfff */
 	struct module *module;
 	struct pci_driver driver;
 	struct pci_device_id *pci_tbl;

 	/* extension functions */
 	int (*probe)(struct saa7146_dev *);
 	int (*attach)(struct saa7146_dev *, struct saa7146_pci_extension_data *);
 	int (*detach)(struct saa7146_dev*);

 	u32	irq_mask;	/* mask to indicate, which irq-events are handled by the extension */
 	void	(*irq_func)(struct saa7146_dev*, u32* irq_mask);
 };

 struct saa7146_dma
 {
 	dma_addr_t	dma_handle;
 	__le32		*cpu_addr;
 };

 struct saa7146_dev
 {
 	struct module			*module;

 	struct list_head		item;

 	struct v4l2_device 		v4l2_dev;

 	/* different device locks */
 	spinlock_t			slock;
 	struct mutex			v4l2_lock;

 	unsigned char			__iomem *mem;		/* pointer to mapped IO memory */
 	u32				revision;	/* chip revision; needed for bug-workarounds*/

 	/* pci-device & irq stuff*/
 	char				name[32];
 	struct pci_dev			*pci;
 	u32				int_todo;
 	spinlock_t			int_slock;

 	/* extension handling */
 	struct saa7146_extension	*ext;		/* indicates if handled by extension */
 	void				*ext_priv;	/* pointer for extension private use (most likely some private data) */
 	struct saa7146_ext_vv		*ext_vv_data;

 	/* per device video/vbi informations (if available) */
 	struct saa7146_vv	*vv_data;
 	void (*vv_callback)(struct saa7146_dev *dev, unsigned long status);

 	/* i2c-stuff */
 	struct mutex			i2c_lock;

 	u32				i2c_bitrate;
 	struct saa7146_dma		d_i2c;	/* pointer to i2c memory */
 	wait_queue_head_t		i2c_wq;
 	int				i2c_op;

 	/* memories */
 	struct saa7146_dma		d_rps0;
 	struct saa7146_dma		d_rps1;
 };

 static inline struct saa7146_dev *to_saa7146_dev(struct v4l2_device *v4l2_dev)
 {
 	return container_of(v4l2_dev, struct saa7146_dev, v4l2_dev);
 }

 /* from saa7146_i2c.c */
 int saa7146_i2c_adapter_prepare(struct saa7146_dev *dev, struct i2c_adapter *i2c_adapter, u32 bitrate);

 /* from saa7146_core.c */
 extern struct list_head saa7146_devices;
 extern struct mutex saa7146_devices_lock;
 int saa7146_register_extension(struct saa7146_extension*);
 int saa7146_unregister_extension(struct saa7146_extension*);
 struct saa7146_format* saa7146_format_by_fourcc(struct saa7146_dev *dev, int fourcc);
 int saa7146_pgtable_alloc(struct pci_dev *pci, struct saa7146_pgtable *pt);
 void saa7146_pgtable_free(struct pci_dev *pci, struct saa7146_pgtable *pt);
 int saa7146_pgtable_build_single(struct pci_dev *pci, struct saa7146_pgtable *pt, struct scatterlist *list, int length );
 void *saa7146_vmalloc_build_pgtable(struct pci_dev *pci, long length, struct saa7146_pgtable *pt);
 void saa7146_vfree_destroy_pgtable(struct pci_dev *pci, void *mem, struct saa7146_pgtable *pt);
 void saa7146_setgpio(struct saa7146_dev *dev, int port, u32 data);
 int saa7146_wait_for_debi_done(struct saa7146_dev *dev, int nobusyloop);

 /* some memory sizes */
 #define SAA7146_I2C_MEM		( 1*PAGE_SIZE)
 #define SAA7146_RPS_MEM		( 1*PAGE_SIZE)

 /* some i2c constants */
 #define SAA7146_I2C_TIMEOUT	100	/* i2c-timeout-value in ms */
 #define SAA7146_I2C_RETRIES	3	/* how many times shall we retry an i2c-operation? */
 #define SAA7146_I2C_DELAY	5	/* time we wait after certain i2c-operations */

 /* unsorted defines */
 #define ME1    0x0000000800
 #define PV1    0x0000000008

 /* gpio defines */
 #define SAA7146_GPIO_INPUT 0x00
 #define SAA7146_GPIO_IRQHI 0x10
 #define SAA7146_GPIO_IRQLO 0x20
 #define SAA7146_GPIO_IRQHL 0x30
 #define SAA7146_GPIO_OUTLO 0x40
 #define SAA7146_GPIO_OUTHI 0x50

 /* debi defines */
 #define DEBINOSWAP 0x000e0000

 /* define for the register programming sequencer (rps) */
 #define CMD_NOP		0x00000000  /* No operation */
 #define CMD_CLR_EVENT	0x00000000  /* Clear event */
 #define CMD_SET_EVENT	0x10000000  /* Set signal event */
 #define CMD_PAUSE	0x20000000  /* Pause */
 #define CMD_CHECK_LATE	0x30000000  /* Check late */
 #define CMD_UPLOAD	0x40000000  /* Upload */
 #define CMD_STOP	0x50000000  /* Stop */
 #define CMD_INTERRUPT	0x60000000  /* Interrupt */
 #define CMD_JUMP	0x80000000  /* Jump */
 #define CMD_WR_REG	0x90000000  /* Write (load) register */
 #define CMD_RD_REG	0xa0000000  /* Read (store) register */
 #define CMD_WR_REG_MASK	0xc0000000  /* Write register with mask */

 #define CMD_OAN		MASK_27
 #define CMD_INV		MASK_26
 #define CMD_SIG4	MASK_25
 #define CMD_SIG3	MASK_24
 #define CMD_SIG2	MASK_23
 #define CMD_SIG1	MASK_22
 #define CMD_SIG0	MASK_21
 #define CMD_O_FID_B	MASK_14
 #define CMD_E_FID_B	MASK_13
 #define CMD_O_FID_A	MASK_12
 #define CMD_E_FID_A	MASK_11

 /* some events and command modifiers for rps1 squarewave generator */
 #define EVT_HS          (1<<15)     // Source Line Threshold reached
 #define EVT_VBI_B       (1<<9)      // VSYNC Event
 #define RPS_OAN         (1<<27)     // 1: OR events, 0: AND events
 #define RPS_INV         (1<<26)     // Invert (compound) event
 #define GPIO3_MSK       0xFF000000  // GPIO #3 control bits

 /* Bit mask constants */
 #define MASK_00   0x00000001    /* Mask value for bit 0 */
 #define MASK_01   0x00000002    /* Mask value for bit 1 */
 #define MASK_02   0x00000004    /* Mask value for bit 2 */
 #define MASK_03   0x00000008    /* Mask value for bit 3 */
 #define MASK_04   0x00000010    /* Mask value for bit 4 */
 #define MASK_05   0x00000020    /* Mask value for bit 5 */
 #define MASK_06   0x00000040    /* Mask value for bit 6 */
 #define MASK_07   0x00000080    /* Mask value for bit 7 */
 #define MASK_08   0x00000100    /* Mask value for bit 8 */
 #define MASK_09   0x00000200    /* Mask value for bit 9 */
 #define MASK_10   0x00000400    /* Mask value for bit 10 */
 #define MASK_11   0x00000800    /* Mask value for bit 11 */
 #define MASK_12   0x00001000    /* Mask value for bit 12 */
 #define MASK_13   0x00002000    /* Mask value for bit 13 */
 #define MASK_14   0x00004000    /* Mask value for bit 14 */
 #define MASK_15   0x00008000    /* Mask value for bit 15 */
 #define MASK_16   0x00010000    /* Mask value for bit 16 */
 #define MASK_17   0x00020000    /* Mask value for bit 17 */
 #define MASK_18   0x00040000    /* Mask value for bit 18 */
 #define MASK_19   0x00080000    /* Mask value for bit 19 */
 #define MASK_20   0x00100000    /* Mask value for bit 20 */
 #define MASK_21   0x00200000    /* Mask value for bit 21 */
 #define MASK_22   0x00400000    /* Mask value for bit 22 */
 #define MASK_23   0x00800000    /* Mask value for bit 23 */
 #define MASK_24   0x01000000    /* Mask value for bit 24 */
 #define MASK_25   0x02000000    /* Mask value for bit 25 */
 #define MASK_26   0x04000000    /* Mask value for bit 26 */
 #define MASK_27   0x08000000    /* Mask value for bit 27 */
 #define MASK_28   0x10000000    /* Mask value for bit 28 */
 #define MASK_29   0x20000000    /* Mask value for bit 29 */
 #define MASK_30   0x40000000    /* Mask value for bit 30 */
 #define MASK_31   0x80000000    /* Mask value for bit 31 */

 #define MASK_B0   0x000000ff    /* Mask value for byte 0 */
 #define MASK_B1   0x0000ff00    /* Mask value for byte 1 */
 #define MASK_B2   0x00ff0000    /* Mask value for byte 2 */
 #define MASK_B3   0xff000000    /* Mask value for byte 3 */

 #define MASK_W0   0x0000ffff    /* Mask value for word 0 */
 #define MASK_W1   0xffff0000    /* Mask value for word 1 */

 #define MASK_PA   0xfffffffc    /* Mask value for physical address */
 #define MASK_PR   0xfffffffe	/* Mask value for protection register */
 #define MASK_ER   0xffffffff    /* Mask value for the entire register */

 #define MASK_NONE 0x00000000    /* No mask */

 /* register aliases */
 #define BASE_ODD1         0x00  /* Video DMA 1 registers  */
 #define BASE_EVEN1        0x04
 #define PROT_ADDR1        0x08
 #define PITCH1            0x0C
 #define BASE_PAGE1        0x10  /* Video DMA 1 base page */
 #define NUM_LINE_BYTE1    0x14

 #define BASE_ODD2         0x18  /* Video DMA 2 registers */
 #define BASE_EVEN2        0x1C
 #define PROT_ADDR2        0x20
 #define PITCH2            0x24
 #define BASE_PAGE2        0x28  /* Video DMA 2 base page */
 #define NUM_LINE_BYTE2    0x2C

 #define BASE_ODD3         0x30  /* Video DMA 3 registers */
 #define BASE_EVEN3        0x34
 #define PROT_ADDR3        0x38
 #define PITCH3            0x3C
 #define BASE_PAGE3        0x40  /* Video DMA 3 base page */
 #define NUM_LINE_BYTE3    0x44

 #define PCI_BT_V1         0x48  /* Video/FIFO 1 */
 #define PCI_BT_V2         0x49  /* Video/FIFO 2 */
 #define PCI_BT_V3         0x4A  /* Video/FIFO 3 */
 #define PCI_BT_DEBI       0x4B  /* DEBI */
 #define PCI_BT_A          0x4C  /* Audio */

 #define DD1_INIT          0x50  /* Init setting of DD1 interface */

 #define DD1_STREAM_B      0x54  /* DD1 B video data stream handling */
 #define DD1_STREAM_A      0x56  /* DD1 A video data stream handling */

 #define BRS_CTRL          0x58  /* BRS control register */
 #define HPS_CTRL          0x5C  /* HPS control register */
 #define HPS_V_SCALE       0x60  /* HPS vertical scale */
 #define HPS_V_GAIN        0x64  /* HPS vertical ACL and gain */
 #define HPS_H_PRESCALE    0x68  /* HPS horizontal prescale   */
 #define HPS_H_SCALE       0x6C  /* HPS horizontal scale */
 #define BCS_CTRL          0x70  /* BCS control */
 #define CHROMA_KEY_RANGE  0x74
 #define CLIP_FORMAT_CTRL  0x78  /* HPS outputs formats & clipping */

 #define DEBI_CONFIG       0x7C
 #define DEBI_COMMAND      0x80
 #define DEBI_PAGE         0x84
 #define DEBI_AD           0x88

 #define I2C_TRANSFER      0x8C
 #define I2C_STATUS        0x90

 #define BASE_A1_IN        0x94	/* Audio 1 input DMA */
 #define PROT_A1_IN        0x98
 #define PAGE_A1_IN        0x9C

 #define BASE_A1_OUT       0xA0  /* Audio 1 output DMA */
 #define PROT_A1_OUT       0xA4
 #define PAGE_A1_OUT       0xA8

 #define BASE_A2_IN        0xAC  /* Audio 2 input DMA */
 #define PROT_A2_IN        0xB0
 #define PAGE_A2_IN        0xB4

 #define BASE_A2_OUT       0xB8  /* Audio 2 output DMA */
 #define PROT_A2_OUT       0xBC
 #define PAGE_A2_OUT       0xC0

 #define RPS_PAGE0         0xC4  /* RPS task 0 page register */
 #define RPS_PAGE1         0xC8  /* RPS task 1 page register */

 #define RPS_THRESH0       0xCC  /* HBI threshold for task 0 */
 #define RPS_THRESH1       0xD0  /* HBI threshold for task 1 */

 #define RPS_TOV0          0xD4  /* RPS timeout for task 0 */
 #define RPS_TOV1          0xD8  /* RPS timeout for task 1 */

 #define IER               0xDC  /* Interrupt enable register */

 #define GPIO_CTRL         0xE0  /* GPIO 0-3 register */

 #define EC1SSR            0xE4  /* Event cnt set 1 source select */
 #define EC2SSR            0xE8  /* Event cnt set 2 source select */
 #define ECT1R             0xEC  /* Event cnt set 1 thresholds */
 #define ECT2R             0xF0  /* Event cnt set 2 thresholds */

 #define ACON1             0xF4
 #define ACON2             0xF8

 #define MC1               0xFC   /* Main control register 1 */
 #define MC2               0x100  /* Main control register 2  */

 #define RPS_ADDR0         0x104  /* RPS task 0 address register */
 #define RPS_ADDR1         0x108  /* RPS task 1 address register */

 #define ISR               0x10C  /* Interrupt status register */
 #define PSR               0x110  /* Primary status register */
 #define SSR               0x114  /* Secondary status register */

 #define EC1R              0x118  /* Event counter set 1 register */
 #define EC2R              0x11C  /* Event counter set 2 register */

 #define PCI_VDP1          0x120  /* Video DMA pointer of FIFO 1 */
 #define PCI_VDP2          0x124  /* Video DMA pointer of FIFO 2 */
 #define PCI_VDP3          0x128  /* Video DMA pointer of FIFO 3 */
 #define PCI_ADP1          0x12C  /* Audio DMA pointer of audio out 1 */
 #define PCI_ADP2          0x130  /* Audio DMA pointer of audio in 1 */
 #define PCI_ADP3          0x134  /* Audio DMA pointer of audio out 2 */
 #define PCI_ADP4          0x138  /* Audio DMA pointer of audio in 2 */
 #define PCI_DMA_DDP       0x13C  /* DEBI DMA pointer */

 #define LEVEL_REP         0x140,
 #define A_TIME_SLOT1      0x180,  /* from 180 - 1BC */
 #define A_TIME_SLOT2      0x1C0,  /* from 1C0 - 1FC */

 /* isr masks */
 #define SPCI_PPEF       0x80000000  /* PCI parity error */
 #define SPCI_PABO       0x40000000  /* PCI access error (target or master abort) */
 #define SPCI_PPED       0x20000000  /* PCI parity error on 'real time data' */
 #define SPCI_RPS_I1     0x10000000  /* Interrupt issued by RPS1 */
 #define SPCI_RPS_I0     0x08000000  /* Interrupt issued by RPS0 */
 #define SPCI_RPS_LATE1  0x04000000  /* RPS task 1 is late */
 #define SPCI_RPS_LATE0  0x02000000  /* RPS task 0 is late */
 #define SPCI_RPS_E1     0x01000000  /* RPS error from task 1 */
 #define SPCI_RPS_E0     0x00800000  /* RPS error from task 0 */
 #define SPCI_RPS_TO1    0x00400000  /* RPS timeout task 1 */
 #define SPCI_RPS_TO0    0x00200000  /* RPS timeout task 0 */
 #define SPCI_UPLD       0x00100000  /* RPS in upload */
 #define SPCI_DEBI_S     0x00080000  /* DEBI status */
 #define SPCI_DEBI_E     0x00040000  /* DEBI error */
 #define SPCI_IIC_S      0x00020000  /* I2C status */
 #define SPCI_IIC_E      0x00010000  /* I2C error */
 #define SPCI_A2_IN      0x00008000  /* Audio 2 input DMA protection / limit */
 #define SPCI_A2_OUT     0x00004000  /* Audio 2 output DMA protection / limit */
 #define SPCI_A1_IN      0x00002000  /* Audio 1 input DMA protection / limit */
 #define SPCI_A1_OUT     0x00001000  /* Audio 1 output DMA protection / limit */
 #define SPCI_AFOU       0x00000800  /* Audio FIFO over- / underflow */
 #define SPCI_V_PE       0x00000400  /* Video protection address */
 #define SPCI_VFOU       0x00000200  /* Video FIFO over- / underflow */
 #define SPCI_FIDA       0x00000100  /* Field ID video port A */
 #define SPCI_FIDB       0x00000080  /* Field ID video port B */
 #define SPCI_PIN3       0x00000040  /* GPIO pin 3 */
 #define SPCI_PIN2       0x00000020  /* GPIO pin 2 */
 #define SPCI_PIN1       0x00000010  /* GPIO pin 1 */
 #define SPCI_PIN0       0x00000008  /* GPIO pin 0 */
 #define SPCI_ECS        0x00000004  /* Event counter 1, 2, 4, 5 */
 #define SPCI_EC3S       0x00000002  /* Event counter 3 */
 #define SPCI_EC0S       0x00000001  /* Event counter 0 */

 /* i2c */
 #define	SAA7146_I2C_ABORT	(1<<7)
 #define	SAA7146_I2C_SPERR	(1<<6)
 #define	SAA7146_I2C_APERR	(1<<5)
 #define	SAA7146_I2C_DTERR	(1<<4)
 #define	SAA7146_I2C_DRERR	(1<<3)
 #define	SAA7146_I2C_AL		(1<<2)
 #define	SAA7146_I2C_ERR		(1<<1)
 #define	SAA7146_I2C_BUSY	(1<<0)

 #define	SAA7146_I2C_START	(0x3)
 #define	SAA7146_I2C_CONT	(0x2)
 #define	SAA7146_I2C_STOP	(0x1)
 #define	SAA7146_I2C_NOP		(0x0)

 #define SAA7146_I2C_BUS_BIT_RATE_6400	(0x500)
 #define SAA7146_I2C_BUS_BIT_RATE_3200	(0x100)
 #define SAA7146_I2C_BUS_BIT_RATE_480	(0x400)
 #define SAA7146_I2C_BUS_BIT_RATE_320	(0x600)
 #define SAA7146_I2C_BUS_BIT_RATE_240	(0x700)
 #define SAA7146_I2C_BUS_BIT_RATE_120	(0x000)
 #define SAA7146_I2C_BUS_BIT_RATE_80	(0x200)
 #define SAA7146_I2C_BUS_BIT_RATE_60	(0x300)

 static inline void SAA7146_IER_DISABLE(struct saa7146_dev *x, unsigned y)
 {
 	unsigned long flags;
 	spin_lock_irqsave(&x->int_slock, flags);
 	saa7146_write(x, IER, saa7146_read(x, IER) & ~y);
 	spin_unlock_irqrestore(&x->int_slock, flags);
 }

 static inline void SAA7146_IER_ENABLE(struct saa7146_dev *x, unsigned y)
 {
 	unsigned long flags;
 	spin_lock_irqsave(&x->int_slock, flags);
 	saa7146_write(x, IER, saa7146_read(x, IER) | y);
 	spin_unlock_irqrestore(&x->int_slock, flags);
 }

 #endif
	#ifndef __SAA7146__
	#define __SAA7146__

	#include <linux/module.h> /* for module-version */
	#include <linux/delay.h> /* for delay-stuff */
	#include <linux/slab.h> /* for kmalloc/kfree */
	#include <linux/pci.h> /* for pci-config-stuff, vendor ids etc. */
	#include <linux/init.h> /* for "__init" */
	#include <linux/interrupt.h> /* for IMMEDIATE_BH */
	#include <linux/kmod.h> /* for kernel module loader */
	#include <linux/i2c.h> /* for i2c subsystem */
	#include <asm/io.h> /* for accessing devices */
	#include <linux/stringify.h>
	#include <linux/mutex.h>
	#include <linux/scatterlist.h>
	#include <media/v4l2-device.h>

	#include <linux/vmalloc.h> /* for vmalloc() */
	#include <linux/mm.h> /* for vmalloc_to_page() */

	#define SAA7146_VERSION_CODE 0x000600 /* 0.6.0 */

	#define saa7146_write(sxy,adr,dat) writel((dat),(sxy->mem+(adr)))
	#define saa7146_read(sxy,adr) readl(sxy->mem+(adr))

	extern unsigned int saa7146_debug;

	#ifndef DEBUG_VARIABLE
	#define DEBUG_VARIABLE saa7146_debug
	#endif

	#define ERR(fmt, ...) pr_err("%s: " fmt, __func__, ##__VA_ARGS__)

	#define _DBG(mask, fmt, ...) \
	do { \
	if (DEBUG_VARIABLE & mask) \
	pr_debug("%s(): " fmt, __func__, ##__VA_ARGS__); \
	} while (0)

	/* simple debug messages */
	#define DEB_S(fmt, ...) _DBG(0x01, fmt, ##__VA_ARGS__)
	/* more detailed debug messages */
	#define DEB_D(fmt, ...) _DBG(0x02, fmt, ##__VA_ARGS__)
	/* print enter and exit of functions */
	#define DEB_EE(fmt, ...) _DBG(0x04, fmt, ##__VA_ARGS__)
	/* i2c debug messages */
	#define DEB_I2C(fmt, ...) _DBG(0x08, fmt, ##__VA_ARGS__)
	/* vbi debug messages */
	#define DEB_VBI(fmt, ...) _DBG(0x10, fmt, ##__VA_ARGS__)
	/* interrupt debug messages */
	#define DEB_INT(fmt, ...) _DBG(0x20, fmt, ##__VA_ARGS__)
	/* capture debug messages */
	#define DEB_CAP(fmt, ...) _DBG(0x40, fmt, ##__VA_ARGS__)

	#define SAA7146_ISR_CLEAR(x,y) \
	saa7146_write(x, ISR, (y));

	struct saa7146_dev;
	struct saa7146_extension;
	struct saa7146_vv;

	/* saa7146 page table */
	struct saa7146_pgtable {
	unsigned int size;
	__le32 *cpu;
	dma_addr_t dma;
	/* used for offsets for u,v planes for planar capture modes */
	unsigned long offset;
	/* used for custom pagetables (used for example by budget dvb cards) */
	struct scatterlist *slist;
	int nents;
	};

	struct saa7146_pci_extension_data {
	struct saa7146_extension *ext;
	void ext_priv; / most likely a name string */
	};

	#define MAKE_EXTENSION_PCI(x_var, x_vendor, x_device) \
	{ \
	.vendor = PCI_VENDOR_ID_PHILIPS, \
	.device = PCI_DEVICE_ID_PHILIPS_SAA7146, \
	.subvendor = x_vendor, \
	.subdevice = x_device, \
	.driver_data = (unsigned long)& x_var, \
	}

	struct saa7146_extension
	{
	char name[32]; /* name of the device */
	#define SAA7146_USE_I2C_IRQ 0x1
	#define SAA7146_I2C_SHORT_DELAY 0x2
	int flags;

	/* pairs of subvendor and subdevice ids for
	supported devices, last entry 0xffff, 0xfff */
	struct module *module;
	struct pci_driver driver;
	struct pci_device_id *pci_tbl;

	/* extension functions */
	int (probe)(struct saa7146_dev );
	int (attach)(struct saa7146_dev , struct saa7146_pci_extension_data *);
	int (detach)(struct saa7146_dev);

	u32 irq_mask; /* mask to indicate, which irq-events are handled by the extension */
	void (irq_func)(struct saa7146_dev, u32* irq_mask);
	};

	struct saa7146_dma
	{
	dma_addr_t dma_handle;
	__le32 *cpu_addr;
	};

	struct saa7146_dev
	{
	struct module *module;

	struct list_head item;

	struct v4l2_device v4l2_dev;

	/* different device locks */
	spinlock_t slock;
	struct mutex v4l2_lock;

	unsigned char __iomem mem; / pointer to mapped IO memory */
	u32 revision; /* chip revision; needed for bug-workarounds*/

	/* pci-device & irq stuff*/
	char name[32];
	struct pci_dev *pci;
	u32 int_todo;
	spinlock_t int_slock;

	/* extension handling */
	struct saa7146_extension ext; / indicates if handled by extension */
	void ext_priv; / pointer for extension private use (most likely some private data) */
	struct saa7146_ext_vv *ext_vv_data;

	/* per device video/vbi informations (if available) */
	struct saa7146_vv *vv_data;
	void (vv_callback)(struct saa7146_dev dev, unsigned long status);

	/* i2c-stuff */
	struct mutex i2c_lock;

	u32 i2c_bitrate;
	struct saa7146_dma d_i2c; /* pointer to i2c memory */
	wait_queue_head_t i2c_wq;
	int i2c_op;

	/* memories */
	struct saa7146_dma d_rps0;
	struct saa7146_dma d_rps1;
	};

	static inline struct saa7146_dev to_saa7146_dev(struct v4l2_device v4l2_dev)
	{
	return container_of(v4l2_dev, struct saa7146_dev, v4l2_dev);
	}

	/* from saa7146_i2c.c */
	int saa7146_i2c_adapter_prepare(struct saa7146_dev dev, struct i2c_adapter i2c_adapter, u32 bitrate);

	/* from saa7146_core.c */
	extern struct list_head saa7146_devices;
	extern struct mutex saa7146_devices_lock;
	int saa7146_register_extension(struct saa7146_extension*);
	int saa7146_unregister_extension(struct saa7146_extension*);
	struct saa7146_format* saa7146_format_by_fourcc(struct saa7146_dev *dev, int fourcc);
	int saa7146_pgtable_alloc(struct pci_dev pci, struct saa7146_pgtable pt);
	void saa7146_pgtable_free(struct pci_dev pci, struct saa7146_pgtable pt);
	int saa7146_pgtable_build_single(struct pci_dev pci, struct saa7146_pgtable pt, struct scatterlist *list, int length );
	void saa7146_vmalloc_build_pgtable(struct pci_dev pci, long length, struct saa7146_pgtable *pt);
	void saa7146_vfree_destroy_pgtable(struct pci_dev pci, void mem, struct saa7146_pgtable *pt);
	void saa7146_setgpio(struct saa7146_dev *dev, int port, u32 data);
	int saa7146_wait_for_debi_done(struct saa7146_dev *dev, int nobusyloop);

	/* some memory sizes */
	#define SAA7146_I2C_MEM ( 1*PAGE_SIZE)
	#define SAA7146_RPS_MEM ( 1*PAGE_SIZE)

	/* some i2c constants */
	#define SAA7146_I2C_TIMEOUT 100 /* i2c-timeout-value in ms */
	#define SAA7146_I2C_RETRIES 3 /* how many times shall we retry an i2c-operation? */
	#define SAA7146_I2C_DELAY 5 /* time we wait after certain i2c-operations */

	/* unsorted defines */
	#define ME1 0x0000000800
	#define PV1 0x0000000008

	/* gpio defines */
	#define SAA7146_GPIO_INPUT 0x00
	#define SAA7146_GPIO_IRQHI 0x10
	#define SAA7146_GPIO_IRQLO 0x20
	#define SAA7146_GPIO_IRQHL 0x30
	#define SAA7146_GPIO_OUTLO 0x40
	#define SAA7146_GPIO_OUTHI 0x50

	/* debi defines */
	#define DEBINOSWAP 0x000e0000

	/* define for the register programming sequencer (rps) */
	#define CMD_NOP 0x00000000 /* No operation */
	#define CMD_CLR_EVENT 0x00000000 /* Clear event */
	#define CMD_SET_EVENT 0x10000000 /* Set signal event */
	#define CMD_PAUSE 0x20000000 /* Pause */
	#define CMD_CHECK_LATE 0x30000000 /* Check late */
	#define CMD_UPLOAD 0x40000000 /* Upload */
	#define CMD_STOP 0x50000000 /* Stop */
	#define CMD_INTERRUPT 0x60000000 /* Interrupt */
	#define CMD_JUMP 0x80000000 /* Jump */
	#define CMD_WR_REG 0x90000000 /* Write (load) register */
	#define CMD_RD_REG 0xa0000000 /* Read (store) register */
	#define CMD_WR_REG_MASK 0xc0000000 /* Write register with mask */

	#define CMD_OAN MASK_27
	#define CMD_INV MASK_26
	#define CMD_SIG4 MASK_25
	#define CMD_SIG3 MASK_24
	#define CMD_SIG2 MASK_23
	#define CMD_SIG1 MASK_22
	#define CMD_SIG0 MASK_21
	#define CMD_O_FID_B MASK_14
	#define CMD_E_FID_B MASK_13
	#define CMD_O_FID_A MASK_12
	#define CMD_E_FID_A MASK_11

	/* some events and command modifiers for rps1 squarewave generator */
	#define EVT_HS (1<<15) // Source Line Threshold reached
	#define EVT_VBI_B (1<<9) // VSYNC Event
	#define RPS_OAN (1<<27) // 1: OR events, 0: AND events
	#define RPS_INV (1<<26) // Invert (compound) event
	#define GPIO3_MSK 0xFF000000 // GPIO #3 control bits

	/* Bit mask constants */
	#define MASK_00 0x00000001 /* Mask value for bit 0 */
	#define MASK_01 0x00000002 /* Mask value for bit 1 */
	#define MASK_02 0x00000004 /* Mask value for bit 2 */
	#define MASK_03 0x00000008 /* Mask value for bit 3 */
	#define MASK_04 0x00000010 /* Mask value for bit 4 */
	#define MASK_05 0x00000020 /* Mask value for bit 5 */
	#define MASK_06 0x00000040 /* Mask value for bit 6 */
	#define MASK_07 0x00000080 /* Mask value for bit 7 */
	#define MASK_08 0x00000100 /* Mask value for bit 8 */
	#define MASK_09 0x00000200 /* Mask value for bit 9 */
	#define MASK_10 0x00000400 /* Mask value for bit 10 */
	#define MASK_11 0x00000800 /* Mask value for bit 11 */
	#define MASK_12 0x00001000 /* Mask value for bit 12 */
	#define MASK_13 0x00002000 /* Mask value for bit 13 */
	#define MASK_14 0x00004000 /* Mask value for bit 14 */
	#define MASK_15 0x00008000 /* Mask value for bit 15 */
	#define MASK_16 0x00010000 /* Mask value for bit 16 */
	#define MASK_17 0x00020000 /* Mask value for bit 17 */
	#define MASK_18 0x00040000 /* Mask value for bit 18 */
	#define MASK_19 0x00080000 /* Mask value for bit 19 */
	#define MASK_20 0x00100000 /* Mask value for bit 20 */
	#define MASK_21 0x00200000 /* Mask value for bit 21 */
	#define MASK_22 0x00400000 /* Mask value for bit 22 */
	#define MASK_23 0x00800000 /* Mask value for bit 23 */
	#define MASK_24 0x01000000 /* Mask value for bit 24 */
	#define MASK_25 0x02000000 /* Mask value for bit 25 */
	#define MASK_26 0x04000000 /* Mask value for bit 26 */
	#define MASK_27 0x08000000 /* Mask value for bit 27 */
	#define MASK_28 0x10000000 /* Mask value for bit 28 */
	#define MASK_29 0x20000000 /* Mask value for bit 29 */
	#define MASK_30 0x40000000 /* Mask value for bit 30 */
	#define MASK_31 0x80000000 /* Mask value for bit 31 */

	#define MASK_B0 0x000000ff /* Mask value for byte 0 */
	#define MASK_B1 0x0000ff00 /* Mask value for byte 1 */
	#define MASK_B2 0x00ff0000 /* Mask value for byte 2 */
	#define MASK_B3 0xff000000 /* Mask value for byte 3 */

	#define MASK_W0 0x0000ffff /* Mask value for word 0 */
	#define MASK_W1 0xffff0000 /* Mask value for word 1 */

	#define MASK_PA 0xfffffffc /* Mask value for physical address */
	#define MASK_PR 0xfffffffe /* Mask value for protection register */
	#define MASK_ER 0xffffffff /* Mask value for the entire register */

	#define MASK_NONE 0x00000000 /* No mask */

	/* register aliases */
	#define BASE_ODD1 0x00 /* Video DMA 1 registers */
	#define BASE_EVEN1 0x04
	#define PROT_ADDR1 0x08
	#define PITCH1 0x0C
	#define BASE_PAGE1 0x10 /* Video DMA 1 base page */
	#define NUM_LINE_BYTE1 0x14

	#define BASE_ODD2 0x18 /* Video DMA 2 registers */
	#define BASE_EVEN2 0x1C
	#define PROT_ADDR2 0x20
	#define PITCH2 0x24
	#define BASE_PAGE2 0x28 /* Video DMA 2 base page */
	#define NUM_LINE_BYTE2 0x2C

	#define BASE_ODD3 0x30 /* Video DMA 3 registers */
	#define BASE_EVEN3 0x34
	#define PROT_ADDR3 0x38
	#define PITCH3 0x3C
	#define BASE_PAGE3 0x40 /* Video DMA 3 base page */
	#define NUM_LINE_BYTE3 0x44

	#define PCI_BT_V1 0x48 /* Video/FIFO 1 */
	#define PCI_BT_V2 0x49 /* Video/FIFO 2 */
	#define PCI_BT_V3 0x4A /* Video/FIFO 3 */
	#define PCI_BT_DEBI 0x4B /* DEBI */
	#define PCI_BT_A 0x4C /* Audio */

	#define DD1_INIT 0x50 /* Init setting of DD1 interface */

	#define DD1_STREAM_B 0x54 /* DD1 B video data stream handling */
	#define DD1_STREAM_A 0x56 /* DD1 A video data stream handling */

	#define BRS_CTRL 0x58 /* BRS control register */
	#define HPS_CTRL 0x5C /* HPS control register */
	#define HPS_V_SCALE 0x60 /* HPS vertical scale */
	#define HPS_V_GAIN 0x64 /* HPS vertical ACL and gain */
	#define HPS_H_PRESCALE 0x68 /* HPS horizontal prescale */
	#define HPS_H_SCALE 0x6C /* HPS horizontal scale */
	#define BCS_CTRL 0x70 /* BCS control */
	#define CHROMA_KEY_RANGE 0x74
	#define CLIP_FORMAT_CTRL 0x78 /* HPS outputs formats & clipping */

	#define DEBI_CONFIG 0x7C
	#define DEBI_COMMAND 0x80
	#define DEBI_PAGE 0x84
	#define DEBI_AD 0x88

	#define I2C_TRANSFER 0x8C
	#define I2C_STATUS 0x90

	#define BASE_A1_IN 0x94 /* Audio 1 input DMA */
	#define PROT_A1_IN 0x98
	#define PAGE_A1_IN 0x9C

	#define BASE_A1_OUT 0xA0 /* Audio 1 output DMA */
	#define PROT_A1_OUT 0xA4
	#define PAGE_A1_OUT 0xA8

	#define BASE_A2_IN 0xAC /* Audio 2 input DMA */
	#define PROT_A2_IN 0xB0
	#define PAGE_A2_IN 0xB4

	#define BASE_A2_OUT 0xB8 /* Audio 2 output DMA */
	#define PROT_A2_OUT 0xBC
	#define PAGE_A2_OUT 0xC0

	#define RPS_PAGE0 0xC4 /* RPS task 0 page register */
	#define RPS_PAGE1 0xC8 /* RPS task 1 page register */

	#define RPS_THRESH0 0xCC /* HBI threshold for task 0 */
	#define RPS_THRESH1 0xD0 /* HBI threshold for task 1 */

	#define RPS_TOV0 0xD4 /* RPS timeout for task 0 */
	#define RPS_TOV1 0xD8 /* RPS timeout for task 1 */

	#define IER 0xDC /* Interrupt enable register */

	#define GPIO_CTRL 0xE0 /* GPIO 0-3 register */

	#define EC1SSR 0xE4 /* Event cnt set 1 source select */
	#define EC2SSR 0xE8 /* Event cnt set 2 source select */
	#define ECT1R 0xEC /* Event cnt set 1 thresholds */
	#define ECT2R 0xF0 /* Event cnt set 2 thresholds */

	#define ACON1 0xF4
	#define ACON2 0xF8

	#define MC1 0xFC /* Main control register 1 */
	#define MC2 0x100 /* Main control register 2 */

	#define RPS_ADDR0 0x104 /* RPS task 0 address register */
	#define RPS_ADDR1 0x108 /* RPS task 1 address register */

	#define ISR 0x10C /* Interrupt status register */
	#define PSR 0x110 /* Primary status register */
	#define SSR 0x114 /* Secondary status register */

	#define EC1R 0x118 /* Event counter set 1 register */
	#define EC2R 0x11C /* Event counter set 2 register */

	#define PCI_VDP1 0x120 /* Video DMA pointer of FIFO 1 */
	#define PCI_VDP2 0x124 /* Video DMA pointer of FIFO 2 */
	#define PCI_VDP3 0x128 /* Video DMA pointer of FIFO 3 */
	#define PCI_ADP1 0x12C /* Audio DMA pointer of audio out 1 */
	#define PCI_ADP2 0x130 /* Audio DMA pointer of audio in 1 */
	#define PCI_ADP3 0x134 /* Audio DMA pointer of audio out 2 */
	#define PCI_ADP4 0x138 /* Audio DMA pointer of audio in 2 */
	#define PCI_DMA_DDP 0x13C /* DEBI DMA pointer */

	#define LEVEL_REP 0x140,
	#define A_TIME_SLOT1 0x180, /* from 180 - 1BC */
	#define A_TIME_SLOT2 0x1C0, /* from 1C0 - 1FC */

	/* isr masks */
	#define SPCI_PPEF 0x80000000 /* PCI parity error */
	#define SPCI_PABO 0x40000000 /* PCI access error (target or master abort) */
	#define SPCI_PPED 0x20000000 /* PCI parity error on 'real time data' */
	#define SPCI_RPS_I1 0x10000000 /* Interrupt issued by RPS1 */
	#define SPCI_RPS_I0 0x08000000 /* Interrupt issued by RPS0 */
	#define SPCI_RPS_LATE1 0x04000000 /* RPS task 1 is late */
	#define SPCI_RPS_LATE0 0x02000000 /* RPS task 0 is late */
	#define SPCI_RPS_E1 0x01000000 /* RPS error from task 1 */
	#define SPCI_RPS_E0 0x00800000 /* RPS error from task 0 */
	#define SPCI_RPS_TO1 0x00400000 /* RPS timeout task 1 */
	#define SPCI_RPS_TO0 0x00200000 /* RPS timeout task 0 */
	#define SPCI_UPLD 0x00100000 /* RPS in upload */
	#define SPCI_DEBI_S 0x00080000 /* DEBI status */
	#define SPCI_DEBI_E 0x00040000 /* DEBI error */
	#define SPCI_IIC_S 0x00020000 /* I2C status */
	#define SPCI_IIC_E 0x00010000 /* I2C error */
	#define SPCI_A2_IN 0x00008000 /* Audio 2 input DMA protection / limit */
	#define SPCI_A2_OUT 0x00004000 /* Audio 2 output DMA protection / limit */
	#define SPCI_A1_IN 0x00002000 /* Audio 1 input DMA protection / limit */
	#define SPCI_A1_OUT 0x00001000 /* Audio 1 output DMA protection / limit */
	#define SPCI_AFOU 0x00000800 /* Audio FIFO over- / underflow */
	#define SPCI_V_PE 0x00000400 /* Video protection address */
	#define SPCI_VFOU 0x00000200 /* Video FIFO over- / underflow */
	#define SPCI_FIDA 0x00000100 /* Field ID video port A */
	#define SPCI_FIDB 0x00000080 /* Field ID video port B */
	#define SPCI_PIN3 0x00000040 /* GPIO pin 3 */
	#define SPCI_PIN2 0x00000020 /* GPIO pin 2 */
	#define SPCI_PIN1 0x00000010 /* GPIO pin 1 */
	#define SPCI_PIN0 0x00000008 /* GPIO pin 0 */
	#define SPCI_ECS 0x00000004 /* Event counter 1, 2, 4, 5 */
	#define SPCI_EC3S 0x00000002 /* Event counter 3 */
	#define SPCI_EC0S 0x00000001 /* Event counter 0 */

	/* i2c */
	#define SAA7146_I2C_ABORT (1<<7)
	#define SAA7146_I2C_SPERR (1<<6)
	#define SAA7146_I2C_APERR (1<<5)
	#define SAA7146_I2C_DTERR (1<<4)
	#define SAA7146_I2C_DRERR (1<<3)
	#define SAA7146_I2C_AL (1<<2)
	#define SAA7146_I2C_ERR (1<<1)
	#define SAA7146_I2C_BUSY (1<<0)

	#define SAA7146_I2C_START (0x3)
	#define SAA7146_I2C_CONT (0x2)
	#define SAA7146_I2C_STOP (0x1)
	#define SAA7146_I2C_NOP (0x0)

	#define SAA7146_I2C_BUS_BIT_RATE_6400 (0x500)
	#define SAA7146_I2C_BUS_BIT_RATE_3200 (0x100)
	#define SAA7146_I2C_BUS_BIT_RATE_480 (0x400)
	#define SAA7146_I2C_BUS_BIT_RATE_320 (0x600)
	#define SAA7146_I2C_BUS_BIT_RATE_240 (0x700)
	#define SAA7146_I2C_BUS_BIT_RATE_120 (0x000)
	#define SAA7146_I2C_BUS_BIT_RATE_80 (0x200)
	#define SAA7146_I2C_BUS_BIT_RATE_60 (0x300)

	static inline void SAA7146_IER_DISABLE(struct saa7146_dev *x, unsigned y)
	{
	unsigned long flags;
	spin_lock_irqsave(&x->int_slock, flags);
	saa7146_write(x, IER, saa7146_read(x, IER) & ~y);
	spin_unlock_irqrestore(&x->int_slock, flags);
	}

	static inline void SAA7146_IER_ENABLE(struct saa7146_dev *x, unsigned y)
	{
	unsigned long flags;
	spin_lock_irqsave(&x->int_slock, flags);
	saa7146_write(x, IER, saa7146_read(x, IER) \| y);
	spin_unlock_irqrestore(&x->int_slock, flags);
	}

	#endif