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/*
* v4l2 device driver for philips saa7134 based TV cards
*
* (c) 2001,02 Gerd Knorr <kraxel@bytesex.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/videodev.h>
#include <linux/kdev_t.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,64)
#include "video-buf.h"
#include "tuner.h"
#include "audiochip.h"
#include "i2c-compat.h"
#else
#include <media/video-buf.h>
#include <media/tuner.h>
#include <media/audiochip.h>
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,23)
# define irqreturn_t void
# define IRQ_RETVAL(foobar)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,71)
# define strlcpy(dest,src,len) strncpy(dest,src,(len)-1)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
# define iminor(inode) minor(inode->i_rdev)
#endif
#include "btcx-risc.h"
#include "cx88-reg.h"
#include <linux/version.h>
#define CX88_VERSION_CODE KERNEL_VERSION(0,0,1)
#ifndef TRUE
# define TRUE (1==1)
#endif
#ifndef FALSE
# define FALSE (1==0)
#endif
#define UNSET (-1U)
#define CX88_MAXBOARDS 8
/* ----------------------------------------------------------- */
/* defines and enums */
#define FORMAT_FLAGS_PACKED 0x01
#define FORMAT_FLAGS_PLANAR 0x02
#define VBI_LINE_COUNT 16
#define VBI_LINE_LENGTH 2048
/* need "shadow" registers for some write-only ones ... */
#define SHADOW_AUD_VOL_CTL 1
#define SHADOW_AUD_BAL_CTL 2
#define SHADOW_MAX 2
/* ----------------------------------------------------------- */
/* static data */
struct cx8800_tvnorm {
char *name;
v4l2_std_id id;
u32 cxiformat;
u32 cxoformat;
};
struct cx8800_fmt {
char *name;
u32 fourcc; /* v4l2 format id */
int depth;
int flags;
u32 cxformat;
};
struct cx88_ctrl {
struct v4l2_queryctrl v;
u32 off;
u32 reg;
u32 sreg;
u32 mask;
u32 shift;
};
/* ----------------------------------------------------------- */
/* SRAM memory management data (see cx88-core.c) */
#define SRAM_CH21 0 /* video */
#define SRAM_CH22 1
#define SRAM_CH23 2
#define SRAM_CH24 3 /* vbi */
#define SRAM_CH25 4 /* audio */
#define SRAM_CH26 5
/* more */
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;
};
extern struct sram_channel cx88_sram_channels[];
/* ----------------------------------------------------------- */
/* card configuration */
#define CX88_BOARD_NOAUTO UNSET
#define CX88_BOARD_UNKNOWN 0
#define CX88_BOARD_HAUPPAUGE 1
#define CX88_BOARD_GDI 2
#define CX88_BOARD_PIXELVIEW 3
#define CX88_BOARD_ATI_WONDER_PRO 4
#define CX88_BOARD_WINFAST2000XP 5
#define CX88_BOARD_AVERTV_303 6
#define CX88_BOARD_MSI_TVANYWHERE 7
#define CX88_BOARD_WINFAST_DV2000 8
#define CX88_BOARD_LEADTEK_PVR2000 9
enum cx88_itype {
CX88_VMUX_COMPOSITE1 = 1,
CX88_VMUX_COMPOSITE2 = 2,
CX88_VMUX_COMPOSITE3 = 3,
CX88_VMUX_COMPOSITE4 = 4,
CX88_VMUX_TELEVISION = 5,
CX88_VMUX_SVIDEO = 6,
CX88_VMUX_DEBUG = 7,
CX88_RADIO = 8,
};
struct cx88_input {
enum cx88_itype type;
unsigned int vmux;
u32 gpio0;
};
struct cx88_board {
char *name;
unsigned int tuner_type;
struct cx88_input input[8];
struct cx88_input radio;
};
struct cx88_subid {
u16 subvendor;
u16 subdevice;
u32 card;
};
#define INPUT(nr) (&cx88_boards[dev->board].input[nr])
/* ----------------------------------------------------------- */
/* device / file handle status */
#define RESOURCE_OVERLAY 1
#define RESOURCE_VIDEO 2
#define RESOURCE_VBI 4
//#define BUFFER_TIMEOUT (HZ/2) /* 0.5 seconds */
#define BUFFER_TIMEOUT (HZ*2)
struct cx8800_dev;
/* buffer for one video frame */
struct cx88_buffer {
/* common v4l buffer stuff -- must be first */
struct videobuf_buffer vb;
/* cx88 specific */
unsigned int bpl;
struct btcx_riscmem risc;
struct cx8800_fmt *fmt;
u32 count;
};
struct cx88_dmaqueue {
struct list_head active;
struct list_head queued;
struct timer_list timeout;
struct btcx_riscmem stopper;
u32 count;
};
/* video filehandle status */
struct cx8800_fh {
struct cx8800_dev *dev;
enum v4l2_buf_type type;
int radio;
unsigned int resources;
/* video overlay */
struct v4l2_window win;
struct v4l2_clip *clips;
unsigned int nclips;
/* video capture */
struct cx8800_fmt *fmt;
unsigned int width,height;
struct videobuf_queue vidq;
/* vbi capture */
struct videobuf_queue vbiq;
};
struct cx8800_suspend_state {
u32 pci_cfg[64 / sizeof(u32)];
int disabled;
};
/* global device status */
struct cx8800_dev {
struct list_head devlist;
struct semaphore lock;
spinlock_t slock;
/* various device info */
unsigned int resources;
struct video_device *video_dev;
struct video_device *vbi_dev;
struct video_device *radio_dev;
/* pci i/o */
char name[32];
struct pci_dev *pci;
unsigned char pci_rev,pci_lat;
u32 *lmmio;
/* config info */
unsigned int board;
unsigned int tuner_type;
unsigned int has_radio;
/* i2c i/o */
struct i2c_adapter i2c_adap;
struct i2c_algo_bit_data i2c_algo;
struct i2c_client i2c_client;
u32 i2c_state, i2c_rc;
/* video overlay */
struct v4l2_framebuffer fbuf;
struct cx88_buffer *screen;
/* capture queues */
struct cx88_dmaqueue vidq;
struct cx88_dmaqueue vbiq;
/* various v4l controls */
struct cx8800_tvnorm *tvnorm;
u32 tvaudio;
u32 input;
u32 freq;
/* other global state info */
u32 shadow[SHADOW_MAX];
struct cx8800_suspend_state state;
};
/* ----------------------------------------------------------- */
#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)
#define cx_wait(d) { if (need_resched()) schedule(); else udelay(d); }
/* shadow registers */
#define cx_sread(sreg) (dev->shadow[sreg])
#define cx_swrite(sreg,reg,value) \
(dev->shadow[sreg] = value, \
writel(dev->shadow[sreg], dev->lmmio + ((reg)>>2)))
#define cx_sandor(sreg,reg,mask,value) \
(dev->shadow[sreg] = (dev->shadow[sreg] & ~(mask)) | ((value) & (mask)), \
writel(dev->shadow[sreg], dev->lmmio + ((reg)>>2)))
/* ----------------------------------------------------------- */
/* cx88-core.c */
extern char *cx88_pci_irqs[32];
extern char *cx88_vid_irqs[32];
extern void cx88_print_irqbits(char *name, char *tag, char **strings,
u32 bits, u32 mask);
extern void cx88_print_ioctl(char *name, unsigned int cmd);
extern int
cx88_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);
extern int
cx88_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
u32 reg, u32 mask, u32 value);
extern void
cx88_free_buffer(struct pci_dev *pci, struct cx88_buffer *buf);
extern void cx88_risc_disasm(struct cx8800_dev *dev,
struct btcx_riscmem *risc);
extern int cx88_sram_channel_setup(struct cx8800_dev *dev,
struct sram_channel *ch,
unsigned int bpl, u32 risc);
extern void cx88_sram_channel_dump(struct cx8800_dev *dev,
struct sram_channel *ch);
extern int cx88_pci_quirks(char *name, struct pci_dev *pci,
unsigned int *latency);
/* ----------------------------------------------------------- */
/* cx88-vbi.c */
void cx8800_vbi_fmt(struct cx8800_dev *dev, struct v4l2_format *f);
int cx8800_start_vbi_dma(struct cx8800_dev *dev,
struct cx88_dmaqueue *q,
struct cx88_buffer *buf);
int cx8800_restart_vbi_queue(struct cx8800_dev *dev,
struct cx88_dmaqueue *q);
void cx8800_vbi_timeout(unsigned long data);
extern struct videobuf_queue_ops cx8800_vbi_qops;
/* ----------------------------------------------------------- */
/* cx88-i2c.c */
extern int cx8800_i2c_init(struct cx8800_dev *dev);
extern void cx8800_call_i2c_clients(struct cx8800_dev *dev,
unsigned int cmd, void *arg);
/* ----------------------------------------------------------- */
/* cx88-cards.c */
extern struct cx88_board cx88_boards[];
extern const unsigned int cx88_bcount;
extern struct cx88_subid cx88_subids[];
extern const unsigned int cx88_idcount;
extern void cx88_card_setup(struct cx8800_dev *dev);
/* ----------------------------------------------------------- */
/* cx88-tvaudio.c */
#define WW_NONE 1
#define WW_BTSC 2
#define WW_NICAM_I 3
#define WW_NICAM_BGDKL 4
#define WW_A1 5
#define WW_A2_BG 6
#define WW_A2_DK 7
#define WW_A2_M 8
#define WW_EIAJ 9
#define WW_SYSTEM_L_AM 10
#define WW_I2SPT 11
#define WW_FM 12
void cx88_set_tvaudio(struct cx8800_dev *dev);
void cx88_get_stereo(struct cx8800_dev *dev, struct v4l2_tuner *t);
void cx88_set_stereo(struct cx8800_dev *dev, u32 mode);
/*
* Local variables:
* c-basic-offset: 8
* End:
*/
|
