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

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

 #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 <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 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

 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
 } port_t;

 struct cx23885_board {
 	char                    *name;
 	port_t			portb, portc;
 	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        dvb;

 	/* 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;
 };

 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;

 	/* 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;
 };

 #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)

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

 /* ----------------------------------------------------------- */
 /* 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 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-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);

 /*
  * Local variables:
  * c-basic-offset: 8
  * End:
  * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
  */
	/*
	* Driver for the Conexant CX23885 PCIe bridge
	*
	* Copyright (c) 2006 Steven Toth <stoth@hauppauge.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.
	*/

	#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 <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 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

	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
	} port_t;

	struct cx23885_board {
	char *name;
	port_t portb, portc;
	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 dvb;

	/* 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;
	};

	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;

	/* 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;
	};

	#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)

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

	/* ----------------------------------------------------------- */
	/* 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 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-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);

	/*
	* Local variables:
	* c-basic-offset: 8
	* End:
	* kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
	*/