cx18-driver.h

trident tm5600的linux驱动

/*
 *  cx18 driver internal defines and structures
 *
 *  Derived from ivtv-driver.h
 *
 *  Copyright (C) 2007  Hans Verkuil <[e-mail]>
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA
 *  02111-1307  USA
 */

#ifndef CX18_DRIVER_H
#define CX18_DRIVER_H

#include <linux/version.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/fs.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/list.h>
#include <linux/unistd.h>
#include <linux/pagemap.h>
#include <linux/workqueue.h>
#include <linux/mutex.h>
#include <asm/byteorder.h>

#include <linux/dvb/video.h>
#include <linux/dvb/audio.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/tuner.h>
#include "cx18-mailbox.h"
#include "cx18-av-core.h"
#include "cx23418.h"

/* DVB */
#include "demux.h"
#include "dmxdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dvb_net.h"
#include "dvbdev.h"

#ifndef CONFIG_PCI
#  error "This driver requires kernel PCI support."
#endif

/* Default delay to throttle mmio access to the CX23418 */
#define CX18_DEFAULT_MMIO_NDELAY 0 /* 0 ns = 0 PCI clock(s) / 33 MHz */

#define CX18_MEM_OFFSET	0x00000000
#define CX18_MEM_SIZE	0x04000000
#define CX18_REG_OFFSET	0x02000000

/* Maximum cx18 driver instances. */
#define CX18_MAX_CARDS 32

/* Supported cards */
#define CX18_CARD_HVR_1600_ESMT	      0	/* Hauppauge HVR 1600 (ESMT memory) */
#define CX18_CARD_HVR_1600_SAMSUNG    1	/* Hauppauge HVR 1600 (Samsung memory) */
#define CX18_CARD_COMPRO_H900 	      2	/* Compro VideoMate H900 */
#define CX18_CARD_YUAN_MPC718 	      3	/* Yuan MPC718 */
#define CX18_CARD_CNXT_RAPTOR_PAL     4	/* Conexant Raptor PAL */
#define CX18_CARD_TOSHIBA_QOSMIO_DVBT 5 /* Toshiba Qosmio Interal DVB-T/Analog*/
#define CX18_CARD_LEADTEK_PVR2100     6 /* Leadtek WinFast PVR2100 */
#define CX18_CARD_LAST 		      6

#define CX18_ENC_STREAM_TYPE_MPG  0
#define CX18_ENC_STREAM_TYPE_TS   1
#define CX18_ENC_STREAM_TYPE_YUV  2
#define CX18_ENC_STREAM_TYPE_VBI  3
#define CX18_ENC_STREAM_TYPE_PCM  4
#define CX18_ENC_STREAM_TYPE_IDX  5
#define CX18_ENC_STREAM_TYPE_RAD  6
#define CX18_MAX_STREAMS	  7

/* system vendor and device IDs */
#define PCI_VENDOR_ID_CX      0x14f1
#define PCI_DEVICE_ID_CX23418 0x5b7a

/* subsystem vendor ID */
#define CX18_PCI_ID_HAUPPAUGE 		0x0070
#define CX18_PCI_ID_COMPRO 		0x185b
#define CX18_PCI_ID_YUAN 		0x12ab
#define CX18_PCI_ID_CONEXANT		0x14f1
#define CX18_PCI_ID_TOSHIBA		0x1179
#define CX18_PCI_ID_LEADTEK		0x107D

/* ======================================================================== */
/* ========================== START USER SETTABLE DMA VARIABLES =========== */
/* ======================================================================== */

/* DMA Buffers, Default size in MB allocated */
#define CX18_DEFAULT_ENC_TS_BUFFERS  1
#define CX18_DEFAULT_ENC_MPG_BUFFERS 2
#define CX18_DEFAULT_ENC_IDX_BUFFERS 1
#define CX18_DEFAULT_ENC_YUV_BUFFERS 2
#define CX18_DEFAULT_ENC_VBI_BUFFERS 1
#define CX18_DEFAULT_ENC_PCM_BUFFERS 1

/* i2c stuff */
#define I2C_CLIENTS_MAX 16

/* debugging */

/* Flag to turn on high volume debugging */
#define CX18_DBGFLG_WARN  (1 << 0)
#define CX18_DBGFLG_INFO  (1 << 1)
#define CX18_DBGFLG_API   (1 << 2)
#define CX18_DBGFLG_DMA   (1 << 3)
#define CX18_DBGFLG_IOCTL (1 << 4)
#define CX18_DBGFLG_FILE  (1 << 5)
#define CX18_DBGFLG_I2C   (1 << 6)
#define CX18_DBGFLG_IRQ   (1 << 7)
/* Flag to turn on high volume debugging */
#define CX18_DBGFLG_HIGHVOL (1 << 8)

/* NOTE: extra space before comma in 'cx->num , ## args' is required for
   gcc-2.95, otherwise it won't compile. */
#define CX18_DEBUG(x, type, fmt, args...) \
	do { \
		if ((x) & cx18_debug) \
			printk(KERN_INFO "cx18-%d " type ": " fmt, cx->num , ## args); \
	} while (0)
#define CX18_DEBUG_WARN(fmt, args...)  CX18_DEBUG(CX18_DBGFLG_WARN, "warning", fmt , ## args)
#define CX18_DEBUG_INFO(fmt, args...)  CX18_DEBUG(CX18_DBGFLG_INFO, "info", fmt , ## args)
#define CX18_DEBUG_API(fmt, args...)   CX18_DEBUG(CX18_DBGFLG_API, "api", fmt , ## args)
#define CX18_DEBUG_DMA(fmt, args...)   CX18_DEBUG(CX18_DBGFLG_DMA, "dma", fmt , ## args)
#define CX18_DEBUG_IOCTL(fmt, args...) CX18_DEBUG(CX18_DBGFLG_IOCTL, "ioctl", fmt , ## args)
#define CX18_DEBUG_FILE(fmt, args...)  CX18_DEBUG(CX18_DBGFLG_FILE, "file", fmt , ## args)
#define CX18_DEBUG_I2C(fmt, args...)   CX18_DEBUG(CX18_DBGFLG_I2C, "i2c", fmt , ## args)
#define CX18_DEBUG_IRQ(fmt, args...)   CX18_DEBUG(CX18_DBGFLG_IRQ, "irq", fmt , ## args)

#define CX18_DEBUG_HIGH_VOL(x, type, fmt, args...) \
	do { \
		if (((x) & cx18_debug) && (cx18_debug & CX18_DBGFLG_HIGHVOL)) \
			printk(KERN_INFO "cx18%d " type ": " fmt, cx->num , ## args); \
	} while (0)
#define CX18_DEBUG_HI_WARN(fmt, args...)  CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_WARN, "warning", fmt , ## args)
#define CX18_DEBUG_HI_INFO(fmt, args...)  CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_INFO, "info", fmt , ## args)
#define CX18_DEBUG_HI_API(fmt, args...)   CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_API, "api", fmt , ## args)
#define CX18_DEBUG_HI_DMA(fmt, args...)   CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_DMA, "dma", fmt , ## args)
#define CX18_DEBUG_HI_IOCTL(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_IOCTL, "ioctl", fmt , ## args)
#define CX18_DEBUG_HI_FILE(fmt, args...)  CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_FILE, "file", fmt , ## args)
#define CX18_DEBUG_HI_I2C(fmt, args...)   CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_I2C, "i2c", fmt , ## args)
#define CX18_DEBUG_HI_IRQ(fmt, args...)   CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_IRQ, "irq", fmt , ## args)

/* Standard kernel messages */
#define CX18_ERR(fmt, args...)      printk(KERN_ERR  "cx18-%d: " fmt, cx->num , ## args)
#define CX18_WARN(fmt, args...)     printk(KERN_WARNING "cx18-%d: " fmt, cx->num , ## args)
#define CX18_INFO(fmt, args...)     printk(KERN_INFO "cx18-%d: " fmt, cx->num , ## args)

/* Values for CX18_API_DEC_PLAYBACK_SPEED mpeg_frame_type_mask parameter: */
#define MPEG_FRAME_TYPE_IFRAME 1
#define MPEG_FRAME_TYPE_IFRAME_PFRAME 3
#define MPEG_FRAME_TYPE_ALL 7

#define CX18_MAX_PGM_INDEX (400)

extern int cx18_retry_mmio;	/* enable check & retry of mmio accesses */
extern int cx18_debug;


struct cx18_options {
	int megabytes[CX18_MAX_STREAMS]; /* Size in megabytes of each stream */
	int cardtype;		/* force card type on load */
	int tuner;		/* set tuner on load */
	int radio;		/* enable/disable radio */
	unsigned long mmio_ndelay; /* delay in ns after every PCI mmio access */
};

/* per-buffer bit flags */
#define CX18_F_B_NEED_BUF_SWAP  0	/* this buffer should be byte swapped */

/* per-stream, s_flags */
#define CX18_F_S_CLAIMED 	3	/* this stream is claimed */
#define CX18_F_S_STREAMING      4	/* the fw is decoding/encoding this stream */
#define CX18_F_S_INTERNAL_USE	5	/* this stream is used internally (sliced VBI processing) */
#define CX18_F_S_STREAMOFF	7	/* signal end of stream EOS */
#define CX18_F_S_APPL_IO        8	/* this stream is used read/written by an application */

/* per-cx18, i_flags */
#define CX18_F_I_LOADED_FW	0 	/* Loaded the firmware the first time */
#define CX18_F_I_EOS		4 	/* End of encoder stream reached */
#define CX18_F_I_RADIO_USER	5 	/* The radio tuner is selected */
#define CX18_F_I_ENC_PAUSED	13 	/* the encoder is paused */
#define CX18_F_I_INITED		21 	/* set after first open */
#define CX18_F_I_FAILED		22 	/* set if first open failed */

/* These are the VBI types as they appear in the embedded VBI private packets. */
#define CX18_SLICED_TYPE_TELETEXT_B     (1)
#define CX18_SLICED_TYPE_CAPTION_525    (4)
#define CX18_SLICED_TYPE_WSS_625        (5)
#define CX18_SLICED_TYPE_VPS            (7)

struct cx18_buffer {
	struct list_head list;
	dma_addr_t dma_handle;
	u32 id;
	unsigned long b_flags;
	char *buf;

	u32 bytesused;
	u32 readpos;
};

struct cx18_queue {
	struct list_head list;
	atomic_t buffers;
	u32 bytesused;
};

struct cx18_dvb {
	struct dmx_frontend hw_frontend;
	struct dmx_frontend mem_frontend;
	struct dmxdev dmxdev;
	struct dvb_adapter dvb_adapter;
	struct dvb_demux demux;
	struct dvb_frontend *fe;
	struct dvb_net dvbnet;
	int enabled;
	int feeding;