drivers/media/video/cx23885/cx23885.h - maze/linux - Git at Google

 /*
  *  Driver for the Conexant CX23885 PCIe bridge
  *
  *  Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
  *
  *  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.
  */

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

 #include <media/v4l2-common.h>
 #include <media/tuner.h>
 #include <media/tveeprom.h>
 #include <media/videobuf-dma-sg.h>
 #include <media/videobuf-dvb.h>

 #include "btcx-risc.h"
 #include "cx23885-reg.h"
 #include "media/cx2341x.h"

 #include <linux/version.h>
 #include <linux/mutex.h>

 #define CX23885_VERSION_CODE KERNEL_VERSION(0, 0, 1)

 #define UNSET (-1U)

 #define CX23885_MAXBOARDS 8

 /* Max number of inputs by card */
 #define MAX_CX23885_INPUT 8
 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
 #define RESOURCE_OVERLAY       1
 #define RESOURCE_VIDEO         2
 #define RESOURCE_VBI           4

 #define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */

 #define CX23885_BOARD_NOAUTO               UNSET
 #define CX23885_BOARD_UNKNOWN                  0
 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
 #define CX23885_BOARD_HAUPPAUGE_HVR1800        2
 #define CX23885_BOARD_HAUPPAUGE_HVR1250        3
 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP   4
 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q       5
 #define CX23885_BOARD_HAUPPAUGE_HVR1500        6
 #define CX23885_BOARD_HAUPPAUGE_HVR1200        7
 #define CX23885_BOARD_HAUPPAUGE_HVR1700        8
 #define CX23885_BOARD_HAUPPAUGE_HVR1400        9
 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12

 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
 #define CX23885_NORMS (\
 	V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
 	V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
 	V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
 	V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)

 struct cx23885_fmt {
 	char  *name;
 	u32   fourcc;          /* v4l2 format id */
 	int   depth;
 	int   flags;
 	u32   cxformat;
 };

 struct cx23885_ctrl {
 	struct v4l2_queryctrl v;
 	u32                   off;
 	u32                   reg;
 	u32                   mask;
 	u32                   shift;
 };

 struct cx23885_tvnorm {
 	char		*name;
 	v4l2_std_id	id;
 	u32		cxiformat;
 	u32		cxoformat;
 };

 struct cx23885_fh {
 	struct cx23885_dev         *dev;
 	enum v4l2_buf_type         type;
 	int                        radio;
 	u32                        resources;

 	/* video overlay */
 	struct v4l2_window         win;
 	struct v4l2_clip           *clips;
 	unsigned int               nclips;

 	/* video capture */
 	struct cx23885_fmt         *fmt;
 	unsigned int               width, height;

 	/* vbi capture */
 	struct videobuf_queue      vidq;
 	struct videobuf_queue      vbiq;

 	/* MPEG Encoder specifics ONLY */
 	struct videobuf_queue      mpegq;
 	atomic_t                   v4l_reading;
 };

 enum cx23885_itype {
 	CX23885_VMUX_COMPOSITE1 = 1,
 	CX23885_VMUX_COMPOSITE2,
 	CX23885_VMUX_COMPOSITE3,
 	CX23885_VMUX_COMPOSITE4,
 	CX23885_VMUX_SVIDEO,
 	CX23885_VMUX_TELEVISION,
 	CX23885_VMUX_CABLE,
 	CX23885_VMUX_DVB,
 	CX23885_VMUX_DEBUG,
 	CX23885_RADIO,
 };

 enum cx23885_src_sel_type {
 	CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 	CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 };

 /* buffer for one video frame */
 struct cx23885_buffer {
 	/* common v4l buffer stuff -- must be first */
 	struct videobuf_buffer vb;

 	/* cx23885 specific */
 	unsigned int           bpl;
 	struct btcx_riscmem    risc;
 	struct cx23885_fmt     *fmt;
 	u32                    count;
 };

 struct cx23885_input {
 	enum cx23885_itype type;
 	unsigned int    vmux;
 	u32             gpio0, gpio1, gpio2, gpio3;
 };

 typedef enum {
 	CX23885_MPEG_UNDEFINED = 0,
 	CX23885_MPEG_DVB,
 	CX23885_ANALOG_VIDEO,
 	CX23885_MPEG_ENCODER,
 } port_t;

 struct cx23885_board {
 	char                    *name;
 	port_t			porta, portb, portc;
 	unsigned int		tuner_type;
 	unsigned int		radio_type;
 	unsigned char		tuner_addr;
 	unsigned char		radio_addr;

 	/* Vendors can and do run the PCIe bridge at different
 	 * clock rates, driven physically by crystals on the PCBs.
 	 * The core has to accomodate this. This allows the user
 	 * to add new boards with new frequencys. The value is
 	 * expressed in Hz.
 	 *
 	 * The core framework will default this value based on
 	 * current designs, but it can vary.
 	 */
 	u32			clk_freq;
 	struct cx23885_input    input[MAX_CX23885_INPUT];
 };

 struct cx23885_subid {
 	u16     subvendor;
 	u16     subdevice;
 	u32     card;
 };

 struct cx23885_i2c {
 	struct cx23885_dev *dev;

 	int                        nr;

 	/* i2c i/o */
 	struct i2c_adapter         i2c_adap;
 	struct i2c_algo_bit_data   i2c_algo;
 	struct i2c_client          i2c_client;
 	u32                        i2c_rc;

 	/* 885 registers used for raw addess */
 	u32                        i2c_period;
 	u32                        reg_ctrl;
 	u32                        reg_stat;
 	u32                        reg_addr;
 	u32                        reg_rdata;
 	u32                        reg_wdata;
 };

 struct cx23885_dmaqueue {
 	struct list_head       active;
 	struct list_head       queued;
 	struct timer_list      timeout;
 	struct btcx_riscmem    stopper;
 	u32                    count;
 };

 struct cx23885_tsport {
 	struct cx23885_dev *dev;

 	int                        nr;
 	int                        sram_chno;

 	struct videobuf_dvb_frontends frontends;

 	/* dma queues */
 	struct cx23885_dmaqueue    mpegq;
 	u32                        ts_packet_size;
 	u32                        ts_packet_count;

 	int                        width;
 	int                        height;

 	spinlock_t                 slock;

 	/* registers */
 	u32                        reg_gpcnt;
 	u32                        reg_gpcnt_ctl;
 	u32                        reg_dma_ctl;
 	u32                        reg_lngth;
 	u32                        reg_hw_sop_ctrl;
 	u32                        reg_gen_ctrl;
 	u32                        reg_bd_pkt_status;
 	u32                        reg_sop_status;
 	u32                        reg_fifo_ovfl_stat;
 	u32                        reg_vld_misc;
 	u32                        reg_ts_clk_en;
 	u32                        reg_ts_int_msk;
 	u32                        reg_ts_int_stat;
 	u32                        reg_src_sel;

 	/* Default register vals */
 	int                        pci_irqmask;
 	u32                        dma_ctl_val;
 	u32                        ts_int_msk_val;
 	u32                        gen_ctrl_val;
 	u32                        ts_clk_en_val;
 	u32                        src_sel_val;
 	u32                        vld_misc_val;
 	u32                        hw_sop_ctrl_val;

 	/* Allow a single tsport to have multiple frontends */
 	u32                        num_frontends;
 };

 struct cx23885_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;
 	int                        pci_irqmask;
 	int                        hwrevision;

 	/* This valud is board specific and is used to configure the
 	 * AV core so we see nice clean and stable video and audio. */
 	u32                        clk_freq;

 	/* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 	struct cx23885_i2c         i2c_bus[3];

 	int                        nr;
 	struct mutex               lock;

 	/* board details */
 	unsigned int               board;
 	char                       name[32];

 	struct cx23885_tsport      ts1, ts2;

 	/* sram configuration */
 	struct sram_channel        *sram_channels;

 	enum {
 		CX23885_BRIDGE_UNDEFINED = 0,
 		CX23885_BRIDGE_885 = 885,
 		CX23885_BRIDGE_887 = 887,
 	} bridge;

 	/* Analog video */
 	u32                        resources;
 	unsigned int               input;
 	u32                        tvaudio;
 	v4l2_std_id                tvnorm;
 	unsigned int               tuner_type;
 	unsigned char              tuner_addr;
 	unsigned int               radio_type;
 	unsigned char              radio_addr;
 	unsigned int               has_radio;

 	/* V4l */
 	u32                        freq;
 	struct video_device        *video_dev;
 	struct video_device        *vbi_dev;
 	struct video_device        *radio_dev;

 	struct cx23885_dmaqueue    vidq;
 	struct cx23885_dmaqueue    vbiq;
 	spinlock_t                 slock;

 	/* MPEG Encoder ONLY settings */
 	u32                        cx23417_mailbox;
 	struct cx2341x_mpeg_params mpeg_params;
 	struct video_device        *v4l_device;
 	atomic_t                   v4l_reader_count;
 	struct cx23885_tvnorm      encodernorm;

 };

 extern struct list_head cx23885_devlist;

 #define SRAM_CH01  0 /* Video A */
 #define SRAM_CH02  1 /* VBI A */
 #define SRAM_CH03  2 /* Video B */
 #define SRAM_CH04  3 /* Transport via B */
 #define SRAM_CH05  4 /* VBI B */
 #define SRAM_CH06  5 /* Video C */
 #define SRAM_CH07  6 /* Transport via C */
 #define SRAM_CH08  7 /* Audio Internal A */
 #define SRAM_CH09  8 /* Audio Internal B */
 #define SRAM_CH10  9 /* Audio External */
 #define SRAM_CH11 10 /* COMB_3D_N */
 #define SRAM_CH12 11 /* Comb 3D N1 */
 #define SRAM_CH13 12 /* Comb 3D N2 */
 #define SRAM_CH14 13 /* MOE Vid */
 #define SRAM_CH15 14 /* MOE RSLT */

 struct sram_channel {
 	char *name;
 	u32  cmds_start;
 	u32  ctrl_start;
 	u32  cdt;
 	u32  fifo_start;;
 	u32  fifo_size;
 	u32  ptr1_reg;
 	u32  ptr2_reg;
 	u32  cnt1_reg;
 	u32  cnt2_reg;
 	u32  jumponly;
 };

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

 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 #define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))

 #define cx_andor(reg, mask, value) \
   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
   ((value) & (mask)), dev->lmmio+((reg)>>2))

 #define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
 #define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)

 /* ----------------------------------------------------------- */
 /* cx23885-core.c                                              */

 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 	struct sram_channel *ch,
 	unsigned int bpl, u32 risc);

 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 	struct sram_channel *ch);

 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 	u32 reg, u32 mask, u32 value);

 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 	struct scatterlist *sglist,
 	unsigned int top_offset, unsigned int bottom_offset,
 	unsigned int bpl, unsigned int padding, unsigned int lines);

 void cx23885_cancel_buffers(struct cx23885_tsport *port);

 extern int cx23885_restart_queue(struct cx23885_tsport *port,
 				struct cx23885_dmaqueue *q);

 extern void cx23885_wakeup(struct cx23885_tsport *port,
 			   struct cx23885_dmaqueue *q, u32 count);


 /* ----------------------------------------------------------- */
 /* cx23885-cards.c                                             */
 extern struct cx23885_board cx23885_boards[];
 extern const unsigned int cx23885_bcount;

 extern struct cx23885_subid cx23885_subids[];
 extern const unsigned int cx23885_idcount;

 extern int cx23885_tuner_callback(void *priv, int component,
 	int command, int arg);
 extern void cx23885_card_list(struct cx23885_dev *dev);
 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 extern void cx23885_card_setup(struct cx23885_dev *dev);
 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);

 extern int cx23885_dvb_register(struct cx23885_tsport *port);
 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);

 extern int cx23885_buf_prepare(struct videobuf_queue *q,
 			       struct cx23885_tsport *port,
 			       struct cx23885_buffer *buf,
 			       enum v4l2_field field);
 extern void cx23885_buf_queue(struct cx23885_tsport *port,
 			      struct cx23885_buffer *buf);
 extern void cx23885_free_buffer(struct videobuf_queue *q,
 				struct cx23885_buffer *buf);

 /* ----------------------------------------------------------- */
 /* cx23885-video.c                                             */
 /* Video */
 extern int cx23885_video_register(struct cx23885_dev *dev);
 extern void cx23885_video_unregister(struct cx23885_dev *dev);
 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);

 /* ----------------------------------------------------------- */
 /* cx23885-vbi.c                                               */
 extern int cx23885_vbi_fmt(struct file *file, void *priv,
 	struct v4l2_format *f);
 extern void cx23885_vbi_timeout(unsigned long data);
 extern struct videobuf_queue_ops cx23885_vbi_qops;

 /* cx23885-i2c.c                                                */
 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd,
 				     void *arg);
 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);

 /* ----------------------------------------------------------- */
 /* cx23885-417.c                                               */
 extern int cx23885_417_register(struct cx23885_dev *dev);
 extern void cx23885_417_unregister(struct cx23885_dev *dev);
 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
 extern void cx23885_mc417_init(struct cx23885_dev *dev);
 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);


 /* ----------------------------------------------------------- */
 /* tv norms                                                    */

 static inline unsigned int norm_maxw(v4l2_std_id norm)
 {
 	return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
 }

 static inline unsigned int norm_maxh(v4l2_std_id norm)
 {
 	return (norm & V4L2_STD_625_50) ? 576 : 480;
 }

 static inline unsigned int norm_swidth(v4l2_std_id norm)
 {
 	return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
 }
	/*
	* Driver for the Conexant CX23885 PCIe bridge
	*
	* Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
	*
	* 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.
	*/

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

	#include <media/v4l2-common.h>
	#include <media/tuner.h>
	#include <media/tveeprom.h>
	#include <media/videobuf-dma-sg.h>
	#include <media/videobuf-dvb.h>

	#include "btcx-risc.h"
	#include "cx23885-reg.h"
	#include "media/cx2341x.h"

	#include <linux/version.h>
	#include <linux/mutex.h>

	#define CX23885_VERSION_CODE KERNEL_VERSION(0, 0, 1)

	#define UNSET (-1U)

	#define CX23885_MAXBOARDS 8

	/* Max number of inputs by card */
	#define MAX_CX23885_INPUT 8
	#define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
	#define RESOURCE_OVERLAY 1
	#define RESOURCE_VIDEO 2
	#define RESOURCE_VBI 4

	#define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */

	#define CX23885_BOARD_NOAUTO UNSET
	#define CX23885_BOARD_UNKNOWN 0
	#define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1
	#define CX23885_BOARD_HAUPPAUGE_HVR1800 2
	#define CX23885_BOARD_HAUPPAUGE_HVR1250 3
	#define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP 4
	#define CX23885_BOARD_HAUPPAUGE_HVR1500Q 5
	#define CX23885_BOARD_HAUPPAUGE_HVR1500 6
	#define CX23885_BOARD_HAUPPAUGE_HVR1200 7
	#define CX23885_BOARD_HAUPPAUGE_HVR1700 8
	#define CX23885_BOARD_HAUPPAUGE_HVR1400 9
	#define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
	#define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
	#define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12

	/* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
	#define CX23885_NORMS (\
	V4L2_STD_NTSC_M \| V4L2_STD_NTSC_M_JP \| V4L2_STD_NTSC_443 \| \
	V4L2_STD_PAL_BG \| V4L2_STD_PAL_DK \| V4L2_STD_PAL_I \| \
	V4L2_STD_PAL_M \| V4L2_STD_PAL_N \| V4L2_STD_PAL_Nc \| \
	V4L2_STD_PAL_60 \| V4L2_STD_SECAM_L \| V4L2_STD_SECAM_DK)

	struct cx23885_fmt {
	char *name;
	u32 fourcc; /* v4l2 format id */
	int depth;
	int flags;
	u32 cxformat;
	};

	struct cx23885_ctrl {
	struct v4l2_queryctrl v;
	u32 off;
	u32 reg;
	u32 mask;
	u32 shift;
	};

	struct cx23885_tvnorm {
	char *name;
	v4l2_std_id id;
	u32 cxiformat;
	u32 cxoformat;
	};

	struct cx23885_fh {
	struct cx23885_dev *dev;
	enum v4l2_buf_type type;
	int radio;
	u32 resources;

	/* video overlay */
	struct v4l2_window win;
	struct v4l2_clip *clips;
	unsigned int nclips;

	/* video capture */
	struct cx23885_fmt *fmt;
	unsigned int width, height;

	/* vbi capture */
	struct videobuf_queue vidq;
	struct videobuf_queue vbiq;

	/* MPEG Encoder specifics ONLY */
	struct videobuf_queue mpegq;
	atomic_t v4l_reading;
	};

	enum cx23885_itype {
	CX23885_VMUX_COMPOSITE1 = 1,
	CX23885_VMUX_COMPOSITE2,
	CX23885_VMUX_COMPOSITE3,
	CX23885_VMUX_COMPOSITE4,
	CX23885_VMUX_SVIDEO,
	CX23885_VMUX_TELEVISION,
	CX23885_VMUX_CABLE,
	CX23885_VMUX_DVB,
	CX23885_VMUX_DEBUG,
	CX23885_RADIO,
	};

	enum cx23885_src_sel_type {
	CX23885_SRC_SEL_EXT_656_VIDEO = 0,
	CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
	};

	/* buffer for one video frame */
	struct cx23885_buffer {
	/* common v4l buffer stuff -- must be first */
	struct videobuf_buffer vb;

	/* cx23885 specific */
	unsigned int bpl;
	struct btcx_riscmem risc;
	struct cx23885_fmt *fmt;
	u32 count;
	};

	struct cx23885_input {
	enum cx23885_itype type;
	unsigned int vmux;
	u32 gpio0, gpio1, gpio2, gpio3;
	};

	typedef enum {
	CX23885_MPEG_UNDEFINED = 0,
	CX23885_MPEG_DVB,
	CX23885_ANALOG_VIDEO,
	CX23885_MPEG_ENCODER,
	} port_t;

	struct cx23885_board {
	char *name;
	port_t porta, portb, portc;
	unsigned int tuner_type;
	unsigned int radio_type;
	unsigned char tuner_addr;
	unsigned char radio_addr;

	/* Vendors can and do run the PCIe bridge at different
	* clock rates, driven physically by crystals on the PCBs.
	* The core has to accomodate this. This allows the user
	* to add new boards with new frequencys. The value is
	* expressed in Hz.
	*
	* The core framework will default this value based on
	* current designs, but it can vary.
	*/
	u32 clk_freq;
	struct cx23885_input input[MAX_CX23885_INPUT];
	};

	struct cx23885_subid {
	u16 subvendor;
	u16 subdevice;
	u32 card;
	};

	struct cx23885_i2c {
	struct cx23885_dev *dev;

	int nr;

	/* i2c i/o */
	struct i2c_adapter i2c_adap;
	struct i2c_algo_bit_data i2c_algo;
	struct i2c_client i2c_client;
	u32 i2c_rc;

	/* 885 registers used for raw addess */
	u32 i2c_period;
	u32 reg_ctrl;
	u32 reg_stat;
	u32 reg_addr;
	u32 reg_rdata;
	u32 reg_wdata;
	};

	struct cx23885_dmaqueue {
	struct list_head active;
	struct list_head queued;
	struct timer_list timeout;
	struct btcx_riscmem stopper;
	u32 count;
	};

	struct cx23885_tsport {
	struct cx23885_dev *dev;

	int nr;
	int sram_chno;

	struct videobuf_dvb_frontends frontends;

	/* dma queues */
	struct cx23885_dmaqueue mpegq;
	u32 ts_packet_size;
	u32 ts_packet_count;

	int width;
	int height;

	spinlock_t slock;

	/* registers */
	u32 reg_gpcnt;
	u32 reg_gpcnt_ctl;
	u32 reg_dma_ctl;
	u32 reg_lngth;
	u32 reg_hw_sop_ctrl;
	u32 reg_gen_ctrl;
	u32 reg_bd_pkt_status;
	u32 reg_sop_status;
	u32 reg_fifo_ovfl_stat;
	u32 reg_vld_misc;
	u32 reg_ts_clk_en;
	u32 reg_ts_int_msk;
	u32 reg_ts_int_stat;
	u32 reg_src_sel;

	/* Default register vals */
	int pci_irqmask;
	u32 dma_ctl_val;
	u32 ts_int_msk_val;
	u32 gen_ctrl_val;
	u32 ts_clk_en_val;
	u32 src_sel_val;
	u32 vld_misc_val;
	u32 hw_sop_ctrl_val;

	/* Allow a single tsport to have multiple frontends */
	u32 num_frontends;
	};

	struct cx23885_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;
	int pci_irqmask;
	int hwrevision;

	/* This valud is board specific and is used to configure the
	* AV core so we see nice clean and stable video and audio. */
	u32 clk_freq;

	/* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
	struct cx23885_i2c i2c_bus[3];

	int nr;
	struct mutex lock;

	/* board details */
	unsigned int board;
	char name[32];

	struct cx23885_tsport ts1, ts2;

	/* sram configuration */
	struct sram_channel *sram_channels;

	enum {
	CX23885_BRIDGE_UNDEFINED = 0,
	CX23885_BRIDGE_885 = 885,
	CX23885_BRIDGE_887 = 887,
	} bridge;

	/* Analog video */
	u32 resources;
	unsigned int input;
	u32 tvaudio;
	v4l2_std_id tvnorm;
	unsigned int tuner_type;
	unsigned char tuner_addr;
	unsigned int radio_type;
	unsigned char radio_addr;
	unsigned int has_radio;

	/* V4l */
	u32 freq;
	struct video_device *video_dev;
	struct video_device *vbi_dev;
	struct video_device *radio_dev;

	struct cx23885_dmaqueue vidq;
	struct cx23885_dmaqueue vbiq;
	spinlock_t slock;

	/* MPEG Encoder ONLY settings */
	u32 cx23417_mailbox;
	struct cx2341x_mpeg_params mpeg_params;
	struct video_device *v4l_device;
	atomic_t v4l_reader_count;
	struct cx23885_tvnorm encodernorm;

	};

	extern struct list_head cx23885_devlist;

	#define SRAM_CH01 0 /* Video A */
	#define SRAM_CH02 1 /* VBI A */
	#define SRAM_CH03 2 /* Video B */
	#define SRAM_CH04 3 /* Transport via B */
	#define SRAM_CH05 4 /* VBI B */
	#define SRAM_CH06 5 /* Video C */
	#define SRAM_CH07 6 /* Transport via C */
	#define SRAM_CH08 7 /* Audio Internal A */
	#define SRAM_CH09 8 /* Audio Internal B */
	#define SRAM_CH10 9 /* Audio External */
	#define SRAM_CH11 10 /* COMB_3D_N */
	#define SRAM_CH12 11 /* Comb 3D N1 */
	#define SRAM_CH13 12 /* Comb 3D N2 */
	#define SRAM_CH14 13 /* MOE Vid */
	#define SRAM_CH15 14 /* MOE RSLT */

	struct sram_channel {
	char *name;
	u32 cmds_start;
	u32 ctrl_start;
	u32 cdt;
	u32 fifo_start;;
	u32 fifo_size;
	u32 ptr1_reg;
	u32 ptr2_reg;
	u32 cnt1_reg;
	u32 cnt2_reg;
	u32 jumponly;
	};

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

	#define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
	#define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))

	#define cx_andor(reg, mask, value) \
	writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) \|\
	((value) & (mask)), dev->lmmio+((reg)>>2))

	#define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
	#define cx_clear(reg, bit) cx_andor((reg), (bit), 0)

	/* ----------------------------------------------------------- */
	/* cx23885-core.c */

	extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
	struct sram_channel *ch,
	unsigned int bpl, u32 risc);

	extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
	struct sram_channel *ch);

	extern int cx23885_risc_stopper(struct pci_dev pci, struct btcx_riscmem risc,
	u32 reg, u32 mask, u32 value);

	extern int cx23885_risc_buffer(struct pci_dev pci, struct btcx_riscmem risc,
	struct scatterlist *sglist,
	unsigned int top_offset, unsigned int bottom_offset,
	unsigned int bpl, unsigned int padding, unsigned int lines);

	void cx23885_cancel_buffers(struct cx23885_tsport *port);

	extern int cx23885_restart_queue(struct cx23885_tsport *port,
	struct cx23885_dmaqueue *q);

	extern void cx23885_wakeup(struct cx23885_tsport *port,
	struct cx23885_dmaqueue *q, u32 count);


	/* ----------------------------------------------------------- */
	/* cx23885-cards.c */
	extern struct cx23885_board cx23885_boards[];
	extern const unsigned int cx23885_bcount;

	extern struct cx23885_subid cx23885_subids[];
	extern const unsigned int cx23885_idcount;

	extern int cx23885_tuner_callback(void *priv, int component,
	int command, int arg);
	extern void cx23885_card_list(struct cx23885_dev *dev);
	extern int cx23885_ir_init(struct cx23885_dev *dev);
	extern void cx23885_gpio_setup(struct cx23885_dev *dev);
	extern void cx23885_card_setup(struct cx23885_dev *dev);
	extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);

	extern int cx23885_dvb_register(struct cx23885_tsport *port);
	extern int cx23885_dvb_unregister(struct cx23885_tsport *port);

	extern int cx23885_buf_prepare(struct videobuf_queue *q,
	struct cx23885_tsport *port,
	struct cx23885_buffer *buf,
	enum v4l2_field field);
	extern void cx23885_buf_queue(struct cx23885_tsport *port,
	struct cx23885_buffer *buf);
	extern void cx23885_free_buffer(struct videobuf_queue *q,
	struct cx23885_buffer *buf);

	/* ----------------------------------------------------------- */
	/* cx23885-video.c */
	/* Video */
	extern int cx23885_video_register(struct cx23885_dev *dev);
	extern void cx23885_video_unregister(struct cx23885_dev *dev);
	extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);

	/* ----------------------------------------------------------- */
	/* cx23885-vbi.c */
	extern int cx23885_vbi_fmt(struct file file, void priv,
	struct v4l2_format *f);
	extern void cx23885_vbi_timeout(unsigned long data);
	extern struct videobuf_queue_ops cx23885_vbi_qops;

	/* cx23885-i2c.c */
	extern int cx23885_i2c_register(struct cx23885_i2c *bus);
	extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
	extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd,
	void *arg);
	extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);

	/* ----------------------------------------------------------- */
	/* cx23885-417.c */
	extern int cx23885_417_register(struct cx23885_dev *dev);
	extern void cx23885_417_unregister(struct cx23885_dev *dev);
	extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
	extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
	extern void cx23885_mc417_init(struct cx23885_dev *dev);
	extern int mc417_memory_read(struct cx23885_dev dev, u32 address, u32 value);
	extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);


	/* ----------------------------------------------------------- */
	/* tv norms */

	static inline unsigned int norm_maxw(v4l2_std_id norm)
	{
	return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
	}

	static inline unsigned int norm_maxh(v4l2_std_id norm)
	{
	return (norm & V4L2_STD_625_50) ? 576 : 480;
	}

	static inline unsigned int norm_swidth(v4l2_std_id norm)
	{
	return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
	}