[linux-2.6-block.git] / drivers / media / video / saa7164 / saa7164.h

/*
 *  Driver for the NXP SAA7164 PCIe bridge
 *
 *  Copyright (c) 2010 Steven Toth <stoth@kernellabs.com>
 *
 *  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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/*
	Driver architecture
	*******************

	saa7164_core.c/buffer.c/cards.c/i2c.c/dvb.c
		|	: Standard Linux driver framework for creating
		|	: exposing and managing interfaces to the rest
		|	: of the kernel or userland. Also uses _fw.c to load
		|	: firmware direct into the PCIe bus, bypassing layers.
		V
	saa7164_api..()	: Translate kernel specific functions/features
		|	: into command buffers.
		V
	saa7164_cmd..()	: Manages the flow of command packets on/off,
		|	: the bus. Deal with bus errors, timeouts etc.
		V
	saa7164_bus..() : Manage a read/write memory ring buffer in the
		|	: PCIe Address space.
		|
		|		saa7164_fw...()	: Load any frimware
		|			|	: direct into the device
		V			V
	<- ----------------- PCIe address space -------------------- ->
*/

#include <linux/pci.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/kdev_t.h>
#include <linux/version.h>
#include <linux/mutex.h>

#include <media/tuner.h>
#include <media/tveeprom.h>
#include <media/videobuf-dma-sg.h>
#include <media/videobuf-dvb.h>
#include <linux/smp_lock.h>
#include <dvb_demux.h>
#include <dvb_frontend.h>
#include <dvb_net.h>
#include <dvbdev.h>
#include <dmxdev.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-chip-ident.h>

#include "saa7164-reg.h"
#include "saa7164-types.h"

#define SAA7164_MAXBOARDS 8

#define UNSET (-1U)
#define SAA7164_BOARD_NOAUTO			UNSET
#define SAA7164_BOARD_UNKNOWN			0
#define SAA7164_BOARD_UNKNOWN_REV2		1
#define SAA7164_BOARD_UNKNOWN_REV3		2
#define SAA7164_BOARD_HAUPPAUGE_HVR2250		3
#define SAA7164_BOARD_HAUPPAUGE_HVR2200		4
#define SAA7164_BOARD_HAUPPAUGE_HVR2200_2	5
#define SAA7164_BOARD_HAUPPAUGE_HVR2200_3	6
#define SAA7164_BOARD_HAUPPAUGE_HVR2250_2	7
#define SAA7164_BOARD_HAUPPAUGE_HVR2250_3	8

#define SAA7164_MAX_UNITS		8
#define SAA7164_TS_NUMBER_OF_LINES	312
#define SAA7164_PT_ENTRIES		16 /* (312 * 188) / 4096 */
#define SAA7164_MAX_ENCODER_BUFFERS	16

/* Port related defines */
#define SAA7164_PORT_TS1	(0)
#define SAA7164_PORT_TS2	(SAA7164_PORT_TS1 + 1)
#define SAA7164_PORT_ENC1	(SAA7164_PORT_TS2 + 1)
#define SAA7164_PORT_ENC2	(SAA7164_PORT_ENC1 + 1)
#define SAA7164_MAX_PORTS	(SAA7164_PORT_ENC2 + 1)

#define DBGLVL_FW    4
#define DBGLVL_DVB   8
#define DBGLVL_I2C  16
#define DBGLVL_API  32
#define DBGLVL_CMD  64
#define DBGLVL_BUS 128
#define DBGLVL_IRQ 256
#define DBGLVL_BUF 512
#define DBGLVL_ENC 1024

#define SAA7164_NORMS ( V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 )

enum port_t {
	SAA7164_MPEG_UNDEFINED = 0,
	SAA7164_MPEG_DVB,
	SAA7164_MPEG_ENCODER,
};

enum saa7164_i2c_bus_nr {
	SAA7164_I2C_BUS_0 = 0,
	SAA7164_I2C_BUS_1,
	SAA7164_I2C_BUS_2,
};

enum saa7164_buffer_flags {
	SAA7164_BUFFER_UNDEFINED = 0,
	SAA7164_BUFFER_FREE,
	SAA7164_BUFFER_BUSY,
	SAA7164_BUFFER_FULL
};

enum saa7164_unit_type {
	SAA7164_UNIT_UNDEFINED = 0,
	SAA7164_UNIT_DIGITAL_DEMODULATOR,
	SAA7164_UNIT_ANALOG_DEMODULATOR,
	SAA7164_UNIT_TUNER,
	SAA7164_UNIT_EEPROM,
	SAA7164_UNIT_ZILOG_IRBLASTER,
	SAA7164_UNIT_ENCODER,
};

/* The PCIe bridge doesn't grant direct access to i2c.
 * Instead, you address i2c devices using a uniqely
 * allocated 'unitid' value via a messaging API. This
 * is a problem. The kernel and existing demod/tuner
 * drivers expect to talk 'i2c', so we have to maintain
 * a translation layer, and a series of functions to
 * convert i2c bus + device address into a unit id.
 */
struct saa7164_unit {
	enum saa7164_unit_type type;
	u8	id;
	char	*name;
	enum saa7164_i2c_bus_nr i2c_bus_nr;
	u8	i2c_bus_addr;
	u8	i2c_reg_len;
};

struct saa7164_board {
	char	*name;
	enum port_t porta, portb, portc, portd;
	enum {
		SAA7164_CHIP_UNDEFINED = 0,
		SAA7164_CHIP_REV2,
		SAA7164_CHIP_REV3,
	} chiprev;
	struct	saa7164_unit unit[SAA7164_MAX_UNITS];
};

struct saa7164_subid {
	u16     subvendor;
	u16     subdevice;
	u32     card;
};

struct saa7164_fh {
	struct saa7164_port *port;
	u32 freq;
	u32 tuner_type;
	atomic_t v4l_reading;
};

struct saa7164_histogram_bucket {
	u32 val;
	u32 count;
	u64 update_time;
};

struct saa7164_histogram {
	char name[32];
	struct saa7164_histogram_bucket counter1[64];
};

struct saa7164_user_buffer {
	struct list_head list;

	/* Attributes */
	u8  *data;
	u32 pos;
	u32 actual_size;
};

struct saa7164_fw_status {

	/* RISC Core details */
	u32	status;
	u32	mode;
	u32	spec;
	u32	inst;
	u32	cpuload;
	u32	remainheap;

	/* Firmware version */
	u32	version;
	u32	major;
	u32	sub;
	u32	rel;
	u32	buildnr;
};

struct saa7164_dvb {
	struct mutex lock;
	struct dvb_adapter adapter;
	struct dvb_frontend *frontend;
	struct dvb_demux demux;
	struct dmxdev dmxdev;
	struct dmx_frontend fe_hw;
	struct dmx_frontend fe_mem;
	struct dvb_net net;
	int feeding;
};

struct saa7164_i2c {
	struct saa7164_dev		*dev;

	enum saa7164_i2c_bus_nr		nr;

	/* I2C I/O */
	struct i2c_adapter		i2c_adap;
	struct i2c_algo_bit_data	i2c_algo;
	struct i2c_client		i2c_client;
	u32				i2c_rc;
};

struct saa7164_ctrl {
	struct v4l2_queryctrl v;
};

struct saa7164_tvnorm {
	char		*name;
	v4l2_std_id	id;
//	u32		cxiformat;
//	u32		cxoformat;
};

struct saa7164_encoder_params {
	struct saa7164_tvnorm encodernorm;
	u32 height;
	u32 width;
	u32 is_50hz;
	u32 bitrate; /* bps */
	u32 bitrate_peak; /* bps */
	u32 bitrate_mode;
	u32 stream_type; /* V4L2_MPEG_STREAM_TYPE_MPEG2_TS */

	u32 audio_sampling_freq;
	u32 ctl_mute;
	u32 ctl_aspect;
	u32 refdist;
	u32 gop_size;
};

struct saa7164_port;

struct saa7164_buffer {
	struct list_head list;

	/* Note of which h/w buffer list index position we occupy */
	int idx;

	struct saa7164_port *port;

	/* Hardware Specific */
	/* PCI Memory allocations */
	enum saa7164_buffer_flags flags; /* Free, Busy, Full */

	/* A block of page align PCI memory */
	u32 pci_size;	/* PCI allocation size in bytes */
	u64 *cpu;	/* Virtual address */
	dma_addr_t dma;	/* Physical address */

	/* A page table that splits the block into a number of entries */
	u32 pt_size;		/* PCI allocation size in bytes */
	u64 *pt_cpu;		/* Virtual address */
	dma_addr_t pt_dma;	/* Physical address */

	/* Encoder fops */
	u32 pos;
	u32 actual_size;
};

struct saa7164_port {

	struct saa7164_dev *dev;
	enum port_t type;
	int nr;

	/* --- Generic port attributes --- */

	/* HW stream parameters */
	tmHWStreamParameters_t hw_streamingparams;

	/* DMA configuration values, is seeded during initialization */
	tmComResDMATermDescrHeader_t hwcfg;

	/* hardware specific registers */
	u32 bufcounter;
	u32 pitch;
	u32 bufsize;
	u32 bufoffset;
	u32 bufptr32l;
	u32 bufptr32h;
	u64 bufptr64;

	u32 numpte;	/* Number of entries in array, only valid in head */

	struct mutex dmaqueue_lock;
	struct saa7164_buffer dmaqueue;

	u64 last_irq_msecs, last_svc_msecs;
	u64 last_irq_msecs_diff, last_svc_msecs_diff;
	u32 last_irq_wp, last_svc_wp;
	u32 last_irq_rp, last_svc_rp;
	u64 last_irq_svc_msecs_diff;

	struct saa7164_histogram irq_interval;
	struct saa7164_histogram svc_interval;
	struct saa7164_histogram irq_svc_interval;

	/* --- DVB Transport Specific --- */
	struct saa7164_dvb dvb;

	/* --- Encoder/V4L related attributes --- */
	/* Encoder */
	/* Defaults established in saa7164-encoder.c */
	struct saa7164_tvnorm encodernorm;
	u32 height;
	u32 width;
	u32 freq;
	u32 ts_packet_size;
	u32 ts_packet_count;
	u8 mux_input;
	u8 encoder_profile;
	u8 video_format;
	u8 audio_format;
	u8 video_resolution;
	u16 ctl_brightness;
	u16 ctl_contrast;
	u16 ctl_hue;
	u16 ctl_saturation;
	u16 ctl_sharpness;
	s8 ctl_volume;

	tmComResAFeatureDescrHeader_t audfeat;
	tmComResEncoderDescrHeader_t encunit;
	tmComResProcDescrHeader_t vidproc;
	tmComResExtDevDescrHeader_t ifunit;
	tmComResTunerDescrHeader_t tunerunit;

	struct work_struct workenc;

	/* V4L */
	struct saa7164_encoder_params encoder_params;
	struct video_device *v4l_device;
	atomic_t v4l_reader_count;
//	spinlock_t slock;
//	struct mutex fops_lock;

	struct saa7164_buffer list_buf_used;
	struct saa7164_buffer list_buf_free;
	wait_queue_head_t wait_read;
};

struct saa7164_dev {
	struct list_head	devlist;
	atomic_t		refcount;

	/* pci stuff */
	struct pci_dev	*pci;
	unsigned char	pci_rev, pci_lat;
	int		pci_bus, pci_slot;
	u32		__iomem *lmmio;
	u8		__iomem *bmmio;
	u32		__iomem *lmmio2;
	u8		__iomem *bmmio2;
	int		pci_irqmask;

	/* board details */
	int	nr;
	int	hwrevision;
	u32	board;
	char	name[32];

	/* firmware status */
	struct saa7164_fw_status	fw_status;

	tmComResHWDescr_t		hwdesc;
	tmComResInterfaceDescr_t	intfdesc;
	tmComResBusDescr_t		busdesc;

	tmComResBusInfo_t		bus;

	/* Interrupt status and ack registers */
	u32 int_status;
	u32 int_ack;

	struct cmd			cmds[SAA_CMD_MAX_MSG_UNITS];
	struct mutex			lock;

	/* I2c related */
	struct saa7164_i2c i2c_bus[3];

	/* Transport related */
	struct saa7164_port ports[ SAA7164_MAX_PORTS ];

	/* Deferred command/api interrupts handling */
	struct work_struct workcmd;

};

extern struct list_head saa7164_devlist;
extern unsigned int waitsecs;

/* ----------------------------------------------------------- */
/* saa7164-core.c                                              */
void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr);
void saa7164_dumphex16(struct saa7164_dev *dev, u8 *buf, int len);
void saa7164_getfirmwarestatus(struct saa7164_dev *dev);
u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev);

/* ----------------------------------------------------------- */
/* saa7164-fw.c                                                */
int saa7164_downloadfirmware(struct saa7164_dev *dev);

/* ----------------------------------------------------------- */
/* saa7164-i2c.c                                               */
extern int saa7164_i2c_register(struct saa7164_i2c *bus);
extern int saa7164_i2c_unregister(struct saa7164_i2c *bus);
extern void saa7164_call_i2c_clients(struct saa7164_i2c *bus,
	unsigned int cmd, void *arg);

/* ----------------------------------------------------------- */
/* saa7164-bus.c                                               */
int saa7164_bus_setup(struct saa7164_dev *dev);
void saa7164_bus_dump(struct saa7164_dev *dev);
int saa7164_bus_set(struct saa7164_dev *dev, tmComResInfo_t* msg, void *buf);
int saa7164_bus_get(struct saa7164_dev *dev, tmComResInfo_t* msg,
	void *buf, int peekonly);

/* ----------------------------------------------------------- */
/* saa7164-cmd.c                                               */
int saa7164_cmd_send(struct saa7164_dev *dev,
	u8 id, tmComResCmd_t command, u16 controlselector,
	u16 size, void *buf);
void saa7164_cmd_signal(struct saa7164_dev *dev, u8 seqno);
int saa7164_irq_dequeue(struct saa7164_dev *dev);

/* ----------------------------------------------------------- */
/* saa7164-api.c                                               */
int saa7164_api_get_fw_version(struct saa7164_dev *dev, u32 *version);
int saa7164_api_enum_subdevs(struct saa7164_dev *dev);
int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg,
	u32 datalen, u8 *data);
int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr,
	u32 datalen, u8 *data);
int saa7164_api_dif_write(struct saa7164_i2c *bus, u8 addr,
	u32 datalen, u8 *data);
int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen);
int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin);
int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin);
int saa7164_api_transition_port(struct saa7164_port *port, u8 mode);
int saa7164_api_initialize_dif(struct saa7164_port *port);
int saa7164_api_configure_dif(struct saa7164_port *port, u32 std);
int saa7164_api_set_encoder(struct saa7164_port *port);
int saa7164_api_get_encoder(struct saa7164_port *port);
int saa7164_api_set_aspect_ratio(struct saa7164_port *port);
int saa7164_api_set_usercontrol(struct saa7164_port *port, u8 ctl);
int saa7164_api_get_usercontrol(struct saa7164_port *port, u8 ctl);
int saa7164_api_set_videomux(struct saa7164_port *port);
int saa7164_api_audio_mute(struct saa7164_port *port, int mute);
int saa7164_api_set_audio_volume(struct saa7164_port *port, s8 level);
int saa7164_api_set_audio_std(struct saa7164_port *port);
int saa7164_api_set_audio_detection(struct saa7164_port *port, int autodetect);
int saa7164_api_get_videomux(struct saa7164_port *port);

/* ----------------------------------------------------------- */
/* saa7164-cards.c                                             */
extern struct saa7164_board saa7164_boards[];
extern const unsigned int saa7164_bcount;

extern struct saa7164_subid saa7164_subids[];
extern const unsigned int saa7164_idcount;

extern void saa7164_card_list(struct saa7164_dev *dev);
extern void saa7164_gpio_setup(struct saa7164_dev *dev);
extern void saa7164_card_setup(struct saa7164_dev *dev);

extern int saa7164_i2caddr_to_reglen(struct saa7164_i2c *bus, int addr);
extern int saa7164_i2caddr_to_unitid(struct saa7164_i2c *bus, int addr);
extern char *saa7164_unitid_name(struct saa7164_dev *dev, u8 unitid);

/* ----------------------------------------------------------- */
/* saa7164-dvb.c                                               */
extern int saa7164_dvb_register(struct saa7164_port *port);
extern int saa7164_dvb_unregister(struct saa7164_port *port);

/* ----------------------------------------------------------- */
/* saa7164-buffer.c                                            */
extern struct saa7164_buffer *saa7164_buffer_alloc(
	struct saa7164_port *port, u32 len);
extern int saa7164_buffer_dealloc(struct saa7164_buffer *buf);
extern void saa7164_buffer_display(struct saa7164_buffer *buf);
extern int saa7164_buffer_activate(struct saa7164_buffer *buf, int i);
extern int saa7164_buffer_cfg_port(struct saa7164_port *port);
extern struct saa7164_user_buffer *saa7164_buffer_alloc_user(
	struct saa7164_dev *dev, u32 len);
extern void saa7164_buffer_dealloc_user(struct saa7164_user_buffer *buf);


/* ----------------------------------------------------------- */
/* saa7164-encoder.c                                            */
int saa7164_encoder_register(struct saa7164_port *port);
void saa7164_encoder_unregister(struct saa7164_port *port);

/* ----------------------------------------------------------- */

extern unsigned int saa_debug;
#define dprintk(level, fmt, arg...)\
	do { if (saa_debug & level)\
		printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
	} while (0)

#define log_warn(fmt, arg...)\
	do { \
		printk(KERN_WARNING "%s: " fmt, dev->name, ## arg);\
	} while (0)

#define log_err(fmt, arg...)\
	do { \
		printk(KERN_ERROR "%s: " fmt, dev->name, ## arg);\
	} while (0)

#define saa7164_readl(reg) readl(dev->lmmio + ((reg) >> 2))
#define saa7164_writel(reg, value) writel((value), dev->lmmio + ((reg) >> 2))


#define saa7164_readb(reg)             readl(dev->bmmio + (reg))
#define saa7164_writeb(reg, value)     writel((value), dev->bmmio + (reg))
Commit	Line	Data
443c1228 ST	1	/*
	2	* Driver for the NXP SAA7164 PCIe bridge
	3	*
9b8b0199	4	* Copyright (c) 2010 Steven Toth <stoth@kernellabs.com>
443c1228 ST	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	*
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*/
	21
	22	/*
	23	Driver architecture
	24	*******************
	25
	26	saa7164_core.c/buffer.c/cards.c/i2c.c/dvb.c
	27	\| : Standard Linux driver framework for creating
	28	\| : exposing and managing interfaces to the rest
	29	\| : of the kernel or userland. Also uses _fw.c to load
	30	\| : firmware direct into the PCIe bus, bypassing layers.
	31	V
	32	saa7164_api..() : Translate kernel specific functions/features
	33	\| : into command buffers.
	34	V
	35	saa7164_cmd..() : Manages the flow of command packets on/off,
	36	\| : the bus. Deal with bus errors, timeouts etc.
	37	V
	38	saa7164_bus..() : Manage a read/write memory ring buffer in the
	39	\| : PCIe Address space.
	40	\|
	41	\| saa7164_fw...() : Load any frimware
	42	\| \| : direct into the device
	43	V V
	44	<- ----------------- PCIe address space -------------------- ->
	45	*/
	46
	47	#include <linux/pci.h>
	48	#include <linux/i2c.h>
	49	#include <linux/i2c-algo-bit.h>
	50	#include <linux/kdev_t.h>
7615e434 ST	51	#include <linux/version.h>
7615e434 ST	52	#include <linux/mutex.h>
443c1228 ST	53
	54	#include <media/tuner.h>
	55	#include <media/tveeprom.h>
	56	#include <media/videobuf-dma-sg.h>
	57	#include <media/videobuf-dvb.h>
7615e434 ST	58	#include <linux/smp_lock.h>
	59	#include <dvb_demux.h>
	60	#include <dvb_frontend.h>
	61	#include <dvb_net.h>
	62	#include <dvbdev.h>
	63	#include <dmxdev.h>
	64	#include <media/v4l2-common.h>
	65	#include <media/v4l2-ioctl.h>
	66	#include <media/v4l2-chip-ident.h>
443c1228 ST	67
	68	#include "saa7164-reg.h"
	69	#include "saa7164-types.h"
	70
443c1228 ST	71	#define SAA7164_MAXBOARDS 8
	72
	73	#define UNSET (-1U)
	74	#define SAA7164_BOARD_NOAUTO UNSET
	75	#define SAA7164_BOARD_UNKNOWN 0
	76	#define SAA7164_BOARD_UNKNOWN_REV2 1
	77	#define SAA7164_BOARD_UNKNOWN_REV3 2
	78	#define SAA7164_BOARD_HAUPPAUGE_HVR2250 3
	79	#define SAA7164_BOARD_HAUPPAUGE_HVR2200 4
	80	#define SAA7164_BOARD_HAUPPAUGE_HVR2200_2 5
	81	#define SAA7164_BOARD_HAUPPAUGE_HVR2200_3 6
	82	#define SAA7164_BOARD_HAUPPAUGE_HVR2250_2 7
e3335222	83	#define SAA7164_BOARD_HAUPPAUGE_HVR2250_3 8
443c1228 ST	84
	85	#define SAA7164_MAX_UNITS 8
	86	#define SAA7164_TS_NUMBER_OF_LINES 312
	87	#define SAA7164_PT_ENTRIES 16 /* (312 * 188) / 4096 */
7615e434 ST	88	#define SAA7164_MAX_ENCODER_BUFFERS 16
	89
	90	/* Port related defines */
	91	#define SAA7164_PORT_TS1 (0)
	92	#define SAA7164_PORT_TS2 (SAA7164_PORT_TS1 + 1)
	93	#define SAA7164_PORT_ENC1 (SAA7164_PORT_TS2 + 1)
	94	#define SAA7164_PORT_ENC2 (SAA7164_PORT_ENC1 + 1)
	95	#define SAA7164_MAX_PORTS (SAA7164_PORT_ENC2 + 1)
443c1228 ST	96
	97	#define DBGLVL_FW 4
	98	#define DBGLVL_DVB 8
	99	#define DBGLVL_I2C 16
	100	#define DBGLVL_API 32
	101	#define DBGLVL_CMD 64
	102	#define DBGLVL_BUS 128
	103	#define DBGLVL_IRQ 256
	104	#define DBGLVL_BUF 512
9b8b0199	105	#define DBGLVL_ENC 1024
443c1228	106
7615e434 ST	107	#define SAA7164_NORMS ( V4L2_STD_NTSC_M \| V4L2_STD_NTSC_M_JP \| V4L2_STD_NTSC_443 )
7615e434 ST	108
443c1228 ST	109	enum port_t {
	110	SAA7164_MPEG_UNDEFINED = 0,
	111	SAA7164_MPEG_DVB,
add3f580	112	SAA7164_MPEG_ENCODER,
443c1228 ST	113	};
	114
	115	enum saa7164_i2c_bus_nr {
	116	SAA7164_I2C_BUS_0 = 0,
	117	SAA7164_I2C_BUS_1,
	118	SAA7164_I2C_BUS_2,
	119	};
	120
	121	enum saa7164_buffer_flags {
	122	SAA7164_BUFFER_UNDEFINED = 0,
	123	SAA7164_BUFFER_FREE,
	124	SAA7164_BUFFER_BUSY,
	125	SAA7164_BUFFER_FULL
	126	};
	127
	128	enum saa7164_unit_type {
	129	SAA7164_UNIT_UNDEFINED = 0,
	130	SAA7164_UNIT_DIGITAL_DEMODULATOR,
	131	SAA7164_UNIT_ANALOG_DEMODULATOR,
	132	SAA7164_UNIT_TUNER,
	133	SAA7164_UNIT_EEPROM,
	134	SAA7164_UNIT_ZILOG_IRBLASTER,
	135	SAA7164_UNIT_ENCODER,
	136	};
	137
	138	/* The PCIe bridge doesn't grant direct access to i2c.
	139	* Instead, you address i2c devices using a uniqely
	140	* allocated 'unitid' value via a messaging API. This
	141	* is a problem. The kernel and existing demod/tuner
	142	* drivers expect to talk 'i2c', so we have to maintain
	143	* a translation layer, and a series of functions to
	144	* convert i2c bus + device address into a unit id.
	145	*/
	146	struct saa7164_unit {
	147	enum saa7164_unit_type type;
	148	u8 id;
	149	char *name;
	150	enum saa7164_i2c_bus_nr i2c_bus_nr;
	151	u8 i2c_bus_addr;
	152	u8 i2c_reg_len;
	153	};
	154
	155	struct saa7164_board {
	156	char *name;
7615e434	157	enum port_t porta, portb, portc, portd;
443c1228 ST	158	enum {
	159	SAA7164_CHIP_UNDEFINED = 0,
	160	SAA7164_CHIP_REV2,
	161	SAA7164_CHIP_REV3,
	162	} chiprev;
	163	struct saa7164_unit unit[SAA7164_MAX_UNITS];
	164	};
	165
	166	struct saa7164_subid {
	167	u16 subvendor;
	168	u16 subdevice;
	169	u32 card;
	170	};
	171
7615e434 ST	172	struct saa7164_fh {
	173	struct saa7164_port *port;
	174	u32 freq;
	175	u32 tuner_type;
	176	atomic_t v4l_reading;
	177	};
	178
91d80189 ST	179	struct saa7164_histogram_bucket {
	180	u32 val;
	181	u32 count;
	182	u64 update_time;
	183	};
	184
	185	struct saa7164_histogram {
	186	char name[32];
	187	struct saa7164_histogram_bucket counter1[64];
	188	};
	189
7615e434 ST	190	struct saa7164_user_buffer {
	191	struct list_head list;
	192
	193	/* Attributes */
	194	u8 *data;
	195	u32 pos;
	196	u32 actual_size;
	197	};
	198
443c1228 ST	199	struct saa7164_fw_status {
	200
	201	/* RISC Core details */
	202	u32 status;
	203	u32 mode;
	204	u32 spec;
	205	u32 inst;
	206	u32 cpuload;
	207	u32 remainheap;
	208
	209	/* Firmware version */
	210	u32 version;
	211	u32 major;
	212	u32 sub;
	213	u32 rel;
	214	u32 buildnr;
	215	};
	216
	217	struct saa7164_dvb {
	218	struct mutex lock;
	219	struct dvb_adapter adapter;
	220	struct dvb_frontend *frontend;
	221	struct dvb_demux demux;
	222	struct dmxdev dmxdev;
	223	struct dmx_frontend fe_hw;
	224	struct dmx_frontend fe_mem;
	225	struct dvb_net net;
	226	int feeding;
	227	};
	228
	229	struct saa7164_i2c {
	230	struct saa7164_dev *dev;
	231
	232	enum saa7164_i2c_bus_nr nr;
	233
	234	/* I2C I/O */
	235	struct i2c_adapter i2c_adap;
	236	struct i2c_algo_bit_data i2c_algo;
	237	struct i2c_client i2c_client;
	238	u32 i2c_rc;
	239	};
	240
7615e434 ST	241	struct saa7164_ctrl {
	242	struct v4l2_queryctrl v;
	243	};
	244
	245	struct saa7164_tvnorm {
	246	char *name;
	247	v4l2_std_id id;
	248	// u32 cxiformat;
	249	// u32 cxoformat;
	250	};
	251
	252	struct saa7164_encoder_params {
	253	struct saa7164_tvnorm encodernorm;
	254	u32 height;
	255	u32 width;
	256	u32 is_50hz;
	257	u32 bitrate; /* bps */
968b11b2	258	u32 bitrate_peak; /* bps */
2600d71c	259	u32 bitrate_mode;
7615e434 ST	260	u32 stream_type; /* V4L2_MPEG_STREAM_TYPE_MPEG2_TS */
	261
	262	u32 audio_sampling_freq;
	263	u32 ctl_mute;
	264	u32 ctl_aspect;
3ed43cf9	265	u32 refdist;
5fa56ccd	266	u32 gop_size;
7615e434 ST	267	};
7615e434 ST	268
add3f580	269	struct saa7164_port;
443c1228 ST	270
	271	struct saa7164_buffer {
	272	struct list_head list;
	273
add3f580 ST	274	/* Note of which h/w buffer list index position we occupy */
add3f580 ST	275	int idx;
443c1228	276
add3f580	277	struct saa7164_port *port;
443c1228 ST	278
	279	/* Hardware Specific */
	280	/* PCI Memory allocations */
	281	enum saa7164_buffer_flags flags; /* Free, Busy, Full */
	282
	283	/* A block of page align PCI memory */
	284	u32 pci_size; /* PCI allocation size in bytes */
	285	u64 cpu; / Virtual address */
	286	dma_addr_t dma; /* Physical address */
	287
	288	/* A page table that splits the block into a number of entries */
	289	u32 pt_size; /* PCI allocation size in bytes */
	290	u64 pt_cpu; / Virtual address */
	291	dma_addr_t pt_dma; /* Physical address */
add3f580 ST	292
	293	/* Encoder fops */
	294	u32 pos;
	295	u32 actual_size;
443c1228 ST	296	};
443c1228 ST	297
add3f580	298	struct saa7164_port {
443c1228 ST	299
443c1228 ST	300	struct saa7164_dev *dev;
443c1228	301	enum port_t type;
add3f580	302	int nr;
443c1228	303
add3f580	304	/* --- Generic port attributes --- */
443c1228	305
add3f580	306	/* HW stream parameters */
443c1228 ST	307	tmHWStreamParameters_t hw_streamingparams;
	308
	309	/* DMA configuration values, is seeded during initialization */
	310	tmComResDMATermDescrHeader_t hwcfg;
	311
	312	/* hardware specific registers */
	313	u32 bufcounter;
	314	u32 pitch;
	315	u32 bufsize;
	316	u32 bufoffset;
	317	u32 bufptr32l;
	318	u32 bufptr32h;
	319	u64 bufptr64;
	320
	321	u32 numpte; /* Number of entries in array, only valid in head */
add3f580	322
443c1228	323	struct mutex dmaqueue_lock;
443c1228	324	struct saa7164_buffer dmaqueue;
add3f580	325
91d80189 ST	326	u64 last_irq_msecs, last_svc_msecs;
	327	u64 last_irq_msecs_diff, last_svc_msecs_diff;
	328	u32 last_irq_wp, last_svc_wp;
	329	u32 last_irq_rp, last_svc_rp;
	330	u64 last_irq_svc_msecs_diff;
	331
	332	struct saa7164_histogram irq_interval;
	333	struct saa7164_histogram svc_interval;
	334	struct saa7164_histogram irq_svc_interval;
	335
add3f580 ST	336	/* --- DVB Transport Specific --- */
	337	struct saa7164_dvb dvb;
	338
	339	/* --- Encoder/V4L related attributes --- */
7615e434 ST	340	/* Encoder */
	341	/* Defaults established in saa7164-encoder.c */
	342	struct saa7164_tvnorm encodernorm;
	343	u32 height;
	344	u32 width;
	345	u32 freq;
	346	u32 ts_packet_size;
	347	u32 ts_packet_count;
	348	u8 mux_input;
	349	u8 encoder_profile;
	350	u8 video_format;
	351	u8 audio_format;
	352	u8 video_resolution;
	353	u16 ctl_brightness;
	354	u16 ctl_contrast;
	355	u16 ctl_hue;
	356	u16 ctl_saturation;
	357	u16 ctl_sharpness;
	358	s8 ctl_volume;
	359
	360	tmComResAFeatureDescrHeader_t audfeat;
	361	tmComResEncoderDescrHeader_t encunit;
	362	tmComResProcDescrHeader_t vidproc;
	363	tmComResExtDevDescrHeader_t ifunit;
	364	tmComResTunerDescrHeader_t tunerunit;
	365
91d80189 ST	366	struct work_struct workenc;
91d80189 ST	367
7615e434 ST	368	/* V4L */
	369	struct saa7164_encoder_params encoder_params;
	370	struct video_device *v4l_device;
	371	atomic_t v4l_reader_count;
	372	// spinlock_t slock;
	373	// struct mutex fops_lock;
	374
	375	struct saa7164_buffer list_buf_used;
	376	struct saa7164_buffer list_buf_free;
	377	wait_queue_head_t wait_read;
443c1228 ST	378	};
	379
	380	struct saa7164_dev {
	381	struct list_head devlist;
	382	atomic_t refcount;
	383
	384	/* pci stuff */
	385	struct pci_dev *pci;
	386	unsigned char pci_rev, pci_lat;
	387	int pci_bus, pci_slot;
	388	u32 __iomem *lmmio;
	389	u8 __iomem *bmmio;
	390	u32 __iomem *lmmio2;
	391	u8 __iomem *bmmio2;
	392	int pci_irqmask;
	393
	394	/* board details */
	395	int nr;
	396	int hwrevision;
	397	u32 board;
	398	char name[32];
	399
	400	/* firmware status */
	401	struct saa7164_fw_status fw_status;
	402
	403	tmComResHWDescr_t hwdesc;
	404	tmComResInterfaceDescr_t intfdesc;
	405	tmComResBusDescr_t busdesc;
	406
	407	tmComResBusInfo_t bus;
	408
1a6450d4 ST	409	/* Interrupt status and ack registers */
	410	u32 int_status;
	411	u32 int_ack;
443c1228 ST	412
	413	struct cmd cmds[SAA_CMD_MAX_MSG_UNITS];
	414	struct mutex lock;
	415
	416	/* I2c related */
	417	struct saa7164_i2c i2c_bus[3];
	418
	419	/* Transport related */
7615e434	420	struct saa7164_port ports[ SAA7164_MAX_PORTS ];
443c1228 ST	421
	422	/* Deferred command/api interrupts handling */
	423	struct work_struct workcmd;
	424
	425	};
	426
	427	extern struct list_head saa7164_devlist;
dd1ee444	428	extern unsigned int waitsecs;
443c1228 ST	429
	430	/* ----------------------------------------------------------- */
	431	/* saa7164-core.c */
	432	void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr);
	433	void saa7164_dumphex16(struct saa7164_dev dev, u8 buf, int len);
	434	void saa7164_getfirmwarestatus(struct saa7164_dev *dev);
	435	u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev);
	436
	437	/* ----------------------------------------------------------- */
	438	/* saa7164-fw.c */
	439	int saa7164_downloadfirmware(struct saa7164_dev *dev);
	440
	441	/* ----------------------------------------------------------- */
	442	/* saa7164-i2c.c */
	443	extern int saa7164_i2c_register(struct saa7164_i2c *bus);
	444	extern int saa7164_i2c_unregister(struct saa7164_i2c *bus);
	445	extern void saa7164_call_i2c_clients(struct saa7164_i2c *bus,
	446	unsigned int cmd, void *arg);
	447
	448	/* ----------------------------------------------------------- */
	449	/* saa7164-bus.c */
	450	int saa7164_bus_setup(struct saa7164_dev *dev);
	451	void saa7164_bus_dump(struct saa7164_dev *dev);
	452	int saa7164_bus_set(struct saa7164_dev dev, tmComResInfo_t msg, void *buf);
	453	int saa7164_bus_get(struct saa7164_dev dev, tmComResInfo_t msg,
	454	void *buf, int peekonly);
	455
	456	/* ----------------------------------------------------------- */
	457	/* saa7164-cmd.c */
	458	int saa7164_cmd_send(struct saa7164_dev *dev,
	459	u8 id, tmComResCmd_t command, u16 controlselector,
	460	u16 size, void *buf);
	461	void saa7164_cmd_signal(struct saa7164_dev *dev, u8 seqno);
39e469ab	462	int saa7164_irq_dequeue(struct saa7164_dev *dev);
443c1228 ST	463
	464	/* ----------------------------------------------------------- */
	465	/* saa7164-api.c */
443c1228 ST	466	int saa7164_api_get_fw_version(struct saa7164_dev dev, u32 version);
	467	int saa7164_api_enum_subdevs(struct saa7164_dev *dev);
	468	int saa7164_api_i2c_read(struct saa7164_i2c bus, u8 addr, u32 reglen, u8 reg,
	469	u32 datalen, u8 *data);
	470	int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr,
	471	u32 datalen, u8 *data);
	472	int saa7164_api_dif_write(struct saa7164_i2c *bus, u8 addr,
	473	u32 datalen, u8 *data);
	474	int saa7164_api_read_eeprom(struct saa7164_dev dev, u8 buf, int buflen);
	475	int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin);
	476	int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin);
add3f580	477	int saa7164_api_transition_port(struct saa7164_port *port, u8 mode);
7615e434 ST	478	int saa7164_api_initialize_dif(struct saa7164_port *port);
	479	int saa7164_api_configure_dif(struct saa7164_port *port, u32 std);
	480	int saa7164_api_set_encoder(struct saa7164_port *port);
	481	int saa7164_api_get_encoder(struct saa7164_port *port);
	482	int saa7164_api_set_aspect_ratio(struct saa7164_port *port);
	483	int saa7164_api_set_usercontrol(struct saa7164_port *port, u8 ctl);
	484	int saa7164_api_get_usercontrol(struct saa7164_port *port, u8 ctl);
	485	int saa7164_api_set_videomux(struct saa7164_port *port);
	486	int saa7164_api_audio_mute(struct saa7164_port *port, int mute);
	487	int saa7164_api_set_audio_volume(struct saa7164_port *port, s8 level);
	488	int saa7164_api_set_audio_std(struct saa7164_port *port);
	489	int saa7164_api_set_audio_detection(struct saa7164_port *port, int autodetect);
	490	int saa7164_api_get_videomux(struct saa7164_port *port);
443c1228 ST	491
	492	/* ----------------------------------------------------------- */
	493	/* saa7164-cards.c */
	494	extern struct saa7164_board saa7164_boards[];
	495	extern const unsigned int saa7164_bcount;
	496
	497	extern struct saa7164_subid saa7164_subids[];
	498	extern const unsigned int saa7164_idcount;
	499
	500	extern void saa7164_card_list(struct saa7164_dev *dev);
	501	extern void saa7164_gpio_setup(struct saa7164_dev *dev);
	502	extern void saa7164_card_setup(struct saa7164_dev *dev);
	503
	504	extern int saa7164_i2caddr_to_reglen(struct saa7164_i2c *bus, int addr);
	505	extern int saa7164_i2caddr_to_unitid(struct saa7164_i2c *bus, int addr);
	506	extern char saa7164_unitid_name(struct saa7164_dev dev, u8 unitid);
	507
	508	/* ----------------------------------------------------------- */
	509	/* saa7164-dvb.c */
add3f580 ST	510	extern int saa7164_dvb_register(struct saa7164_port *port);
add3f580 ST	511	extern int saa7164_dvb_unregister(struct saa7164_port *port);
443c1228 ST	512
	513	/* ----------------------------------------------------------- */
	514	/* saa7164-buffer.c */
add3f580 ST	515	extern struct saa7164_buffer *saa7164_buffer_alloc(
	516	struct saa7164_port *port, u32 len);
	517	extern int saa7164_buffer_dealloc(struct saa7164_buffer *buf);
	518	extern void saa7164_buffer_display(struct saa7164_buffer *buf);
	519	extern int saa7164_buffer_activate(struct saa7164_buffer *buf, int i);
	520	extern int saa7164_buffer_cfg_port(struct saa7164_port *port);
7615e434 ST	521	extern struct saa7164_user_buffer *saa7164_buffer_alloc_user(
	522	struct saa7164_dev *dev, u32 len);
	523	extern void saa7164_buffer_dealloc_user(struct saa7164_user_buffer *buf);
	524
	525
	526	/* ----------------------------------------------------------- */
	527	/* saa7164-encoder.c */
	528	int saa7164_encoder_register(struct saa7164_port *port);
	529	void saa7164_encoder_unregister(struct saa7164_port *port);
443c1228 ST	530
	531	/* ----------------------------------------------------------- */
	532
b1912a85	533	extern unsigned int saa_debug;
443c1228	534	#define dprintk(level, fmt, arg...)\
b1912a85	535	do { if (saa_debug & level)\
443c1228 ST	536	printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
	537	} while (0)
	538
	539	#define log_warn(fmt, arg...)\
	540	do { \
	541	printk(KERN_WARNING "%s: " fmt, dev->name, ## arg);\
	542	} while (0)
	543
	544	#define log_err(fmt, arg...)\
	545	do { \
	546	printk(KERN_ERROR "%s: " fmt, dev->name, ## arg);\
	547	} while (0)
	548
	549	#define saa7164_readl(reg) readl(dev->lmmio + ((reg) >> 2))
207b42c4 ST	550	#define saa7164_writel(reg, value) writel((value), dev->lmmio + ((reg) >> 2))
207b42c4 ST	551
443c1228 ST	552
	553	#define saa7164_readb(reg) readl(dev->bmmio + (reg))
	554	#define saa7164_writeb(reg, value) writel((value), dev->bmmio + (reg))
	555