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6f11adc6a5
linux-next/drivers/media/pci/cx88/cx88.h
Hans Verkuil 6f11adc6a5 [media] cx88: drop the bogus 'queue' list in dmaqueue 
This list is only used if the width, height and/or format of a buffer has
changed, but that can never happen. Remove it and all associated code.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-11-03 08:21:24 -02:00

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/*
*
* v4l2 device driver for cx2388x based TV cards
*
* (c) 2003,04 Gerd Knorr <kraxel@bytesex.org> [SUSE Labs]
*
* 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/videodev2.h>
#include <linux/kdev_t.h>
#include <media/v4l2-device.h>
#include <media/v4l2-fh.h>
#include <media/tuner.h>
#include <media/tveeprom.h>
#include <media/videobuf-dma-sg.h>
#include <media/cx2341x.h>
#include <media/videobuf-dvb.h>
#include <media/ir-kbd-i2c.h>
#include <media/wm8775.h>
#include "btcx-risc.h"
#include "cx88-reg.h"
#include "tuner-xc2028.h"
#include <linux/mutex.h>
#define CX88_VERSION "0.0.9"
#define UNSET (-1U)
#define CX88_MAXBOARDS 8
/* Max number of inputs by card */
#define MAX_CX88_INPUT 8
/* ----------------------------------------------------------- */
/* defines and enums */
/* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM/LC */
#define CX88_NORMS (V4L2_STD_ALL \
& ~V4L2_STD_PAL_H \
& ~V4L2_STD_NTSC_M_KR \
& ~V4L2_STD_SECAM_LC)
#define FORMAT_FLAGS_PACKED 0x01
#define FORMAT_FLAGS_PLANAR 0x02
#define VBI_LINE_COUNT 17
#define VBI_LINE_LENGTH 2048
#define AUD_RDS_LINES 4
/* need "shadow" registers for some write-only ones ... */
#define SHADOW_AUD_VOL_CTL 1
#define SHADOW_AUD_BAL_CTL 2
#define SHADOW_MAX 3
/* FM Radio deemphasis type */
enum cx88_deemph_type {
FM_NO_DEEMPH = 0,
FM_DEEMPH_50,
FM_DEEMPH_75
};
enum cx88_board_type {
CX88_BOARD_NONE = 0,
CX88_MPEG_DVB,
CX88_MPEG_BLACKBIRD
};
enum cx8802_board_access {
CX8802_DRVCTL_SHARED = 1,
CX8802_DRVCTL_EXCLUSIVE = 2,
};
/* ----------------------------------------------------------- */
/* 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 data */
struct cx8800_fmt {
const char *name;
u32 fourcc; /* v4l2 format id */
int depth;
int flags;
u32 cxformat;
};
/* ----------------------------------------------------------- */
/* 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
#define SRAM_CH28 6 /* mpeg */
#define SRAM_CH27 7 /* audio rds */
/* more */
struct sram_channel {
const 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 const 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_EXPERT 5
#define CX88_BOARD_AVERTV_STUDIO_303 6
#define CX88_BOARD_MSI_TVANYWHERE_MASTER 7
#define CX88_BOARD_WINFAST_DV2000 8
#define CX88_BOARD_LEADTEK_PVR2000 9
#define CX88_BOARD_IODATA_GVVCP3PCI 10
#define CX88_BOARD_PROLINK_PLAYTVPVR 11
#define CX88_BOARD_ASUS_PVR_416 12
#define CX88_BOARD_MSI_TVANYWHERE 13
#define CX88_BOARD_KWORLD_DVB_T 14
#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1 15
#define CX88_BOARD_KWORLD_LTV883 16
#define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q 17
#define CX88_BOARD_HAUPPAUGE_DVB_T1 18
#define CX88_BOARD_CONEXANT_DVB_T1 19
#define CX88_BOARD_PROVIDEO_PV259 20
#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS 21
#define CX88_BOARD_PCHDTV_HD3000 22
#define CX88_BOARD_DNTV_LIVE_DVB_T 23
#define CX88_BOARD_HAUPPAUGE_ROSLYN 24
#define CX88_BOARD_DIGITALLOGIC_MEC 25
#define CX88_BOARD_IODATA_GVBCTV7E 26
#define CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO 27
#define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T 28
#define CX88_BOARD_ADSTECH_DVB_T_PCI 29
#define CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1 30
#define CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD 31
#define CX88_BOARD_AVERMEDIA_ULTRATV_MC_550 32
#define CX88_BOARD_KWORLD_VSTREAM_EXPERT_DVD 33
#define CX88_BOARD_ATI_HDTVWONDER 34
#define CX88_BOARD_WINFAST_DTV1000 35
#define CX88_BOARD_AVERTV_303 36
#define CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1 37
#define CX88_BOARD_HAUPPAUGE_NOVASE2_S1 38
#define CX88_BOARD_KWORLD_DVBS_100 39
#define CX88_BOARD_HAUPPAUGE_HVR1100 40
#define CX88_BOARD_HAUPPAUGE_HVR1100LP 41
#define CX88_BOARD_DNTV_LIVE_DVB_T_PRO 42
#define CX88_BOARD_KWORLD_DVB_T_CX22702 43
#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL 44
#define CX88_BOARD_KWORLD_HARDWARE_MPEG_TV_XPERT 45
#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID 46
#define CX88_BOARD_PCHDTV_HD5500 47
#define CX88_BOARD_KWORLD_MCE200_DELUXE 48
#define CX88_BOARD_PIXELVIEW_PLAYTV_P7000 49
#define CX88_BOARD_NPGTECH_REALTV_TOP10FM 50
#define CX88_BOARD_WINFAST_DTV2000H 51
#define CX88_BOARD_GENIATECH_DVBS 52
#define CX88_BOARD_HAUPPAUGE_HVR3000 53
#define CX88_BOARD_NORWOOD_MICRO 54
#define CX88_BOARD_TE_DTV_250_OEM_SWANN 55
#define CX88_BOARD_HAUPPAUGE_HVR1300 56
#define CX88_BOARD_ADSTECH_PTV_390 57
#define CX88_BOARD_PINNACLE_PCTV_HD_800i 58
#define CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO 59
#define CX88_BOARD_PINNACLE_HYBRID_PCTV 60
#define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL 61
#define CX88_BOARD_POWERCOLOR_REAL_ANGEL 62
#define CX88_BOARD_GENIATECH_X8000_MT 63
#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO 64
#define CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD 65
#define CX88_BOARD_PROLINK_PV_8000GT 66
#define CX88_BOARD_KWORLD_ATSC_120 67
#define CX88_BOARD_HAUPPAUGE_HVR4000 68
#define CX88_BOARD_HAUPPAUGE_HVR4000LITE 69
#define CX88_BOARD_TEVII_S460 70
#define CX88_BOARD_OMICOM_SS4_PCI 71
#define CX88_BOARD_TBS_8920 72
#define CX88_BOARD_TEVII_S420 73
#define CX88_BOARD_PROLINK_PV_GLOBAL_XTREME 74
#define CX88_BOARD_PROF_7300 75
#define CX88_BOARD_SATTRADE_ST4200 76
#define CX88_BOARD_TBS_8910 77
#define CX88_BOARD_PROF_6200 78
#define CX88_BOARD_TERRATEC_CINERGY_HT_PCI_MKII 79
#define CX88_BOARD_HAUPPAUGE_IRONLY 80
#define CX88_BOARD_WINFAST_DTV1800H 81
#define CX88_BOARD_WINFAST_DTV2000H_J 82
#define CX88_BOARD_PROF_7301 83
#define CX88_BOARD_SAMSUNG_SMT_7020 84
#define CX88_BOARD_TWINHAN_VP1027_DVBS 85
#define CX88_BOARD_TEVII_S464 86
#define CX88_BOARD_WINFAST_DTV2000H_PLUS 87
#define CX88_BOARD_WINFAST_DTV1800H_XC4000 88
#define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36 89
#define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43 90
enum cx88_itype {
CX88_VMUX_COMPOSITE1 = 1,
CX88_VMUX_COMPOSITE2,
CX88_VMUX_COMPOSITE3,
CX88_VMUX_COMPOSITE4,
CX88_VMUX_SVIDEO,
CX88_VMUX_TELEVISION,
CX88_VMUX_CABLE,
CX88_VMUX_DVB,
CX88_VMUX_DEBUG,
CX88_RADIO,
};
struct cx88_input {
enum cx88_itype type;
u32 gpio0, gpio1, gpio2, gpio3;
unsigned int vmux:2;
unsigned int audioroute:4;
};
enum cx88_audio_chip {
CX88_AUDIO_WM8775 = 1,
CX88_AUDIO_TVAUDIO,
};
struct cx88_board {
const char *name;
unsigned int tuner_type;
unsigned int radio_type;
unsigned char tuner_addr;
unsigned char radio_addr;
int tda9887_conf;
struct cx88_input input[MAX_CX88_INPUT];
struct cx88_input radio;
enum cx88_board_type mpeg;
enum cx88_audio_chip audio_chip;
int num_frontends;
/* Used for I2S devices */
int i2sinputcntl;
};
struct cx88_subid {
u16 subvendor;
u16 subdevice;
u32 card;
};
enum cx88_tvaudio {
WW_NONE = 1,
WW_BTSC,
WW_BG,
WW_DK,
WW_I,
WW_L,
WW_EIAJ,
WW_I2SPT,
WW_FM,
WW_I2SADC,
WW_M
};
#define INPUT(nr) (core->board.input[nr])
/* ----------------------------------------------------------- */
/* device / file handle status */
#define RESOURCE_OVERLAY 1
#define RESOURCE_VIDEO 2
#define RESOURCE_VBI 4
#define BUFFER_TIMEOUT msecs_to_jiffies(2000)
/* 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;
u32 count;
};
struct cx88_dmaqueue {
struct list_head active;
struct timer_list timeout;
struct btcx_riscmem stopper;
u32 count;
};
struct cx88_core {
struct list_head devlist;
atomic_t refcount;
/* board name */
int nr;
char name[32];
u32 model;
/* pci stuff */
int pci_bus;
int pci_slot;
u32 __iomem *lmmio;
u8 __iomem *bmmio;
u32 shadow[SHADOW_MAX];
int pci_irqmask;
/* 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;
/* config info -- analog */
struct v4l2_device v4l2_dev;
struct v4l2_ctrl_handler video_hdl;
struct v4l2_ctrl *chroma_agc;
struct v4l2_ctrl_handler audio_hdl;
struct v4l2_subdev *sd_wm8775;
struct i2c_client *i2c_rtc;
unsigned int boardnr;
struct cx88_board board;
/* Supported V4L _STD_ tuner formats */
unsigned int tuner_formats;
/* config info -- dvb */
#if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
int (*prev_set_voltage)(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
#endif
void (*gate_ctrl)(struct cx88_core *core, int open);
/* state info */
struct task_struct *kthread;
v4l2_std_id tvnorm;
enum cx88_tvaudio tvaudio;
u32 audiomode_manual;
u32 audiomode_current;
u32 input;
u32 last_analog_input;
u32 astat;
u32 use_nicam;
unsigned long last_change;
/* IR remote control state */
struct cx88_IR *ir;
/* I2C remote data */
struct IR_i2c_init_data init_data;
struct wm8775_platform_data wm8775_data;
struct mutex lock;
/* various v4l controls */
u32 freq;
int users;
int mpeg_users;
/* cx88-video needs to access cx8802 for hybrid tuner pll access. */
struct cx8802_dev *dvbdev;
enum cx88_board_type active_type_id;
int active_ref;
int active_fe_id;
};
static inline struct cx88_core *to_core(struct v4l2_device *v4l2_dev)
{
return container_of(v4l2_dev, struct cx88_core, v4l2_dev);
}
#define call_hw(core, grpid, o, f, args...) \
do { \
if (!core->i2c_rc) { \
if (core->gate_ctrl) \
core->gate_ctrl(core, 1); \
v4l2_device_call_all(&core->v4l2_dev, grpid, o, f, ##args); \
if (core->gate_ctrl) \
core->gate_ctrl(core, 0); \
} \
} while (0)
#define call_all(core, o, f, args...) call_hw(core, 0, o, f, ##args)
#define WM8775_GID (1 << 0)
#define wm8775_s_ctrl(core, id, val) \
do { \
struct v4l2_ctrl *ctrl_ = \
v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id); \
if (ctrl_ && !core->i2c_rc) { \
if (core->gate_ctrl) \
core->gate_ctrl(core, 1); \
v4l2_ctrl_s_ctrl(ctrl_, val); \
if (core->gate_ctrl) \
core->gate_ctrl(core, 0); \
} \
} while (0)
#define wm8775_g_ctrl(core, id) \
({ \
struct v4l2_ctrl *ctrl_ = \
v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id); \
s32 val = 0; \
if (ctrl_ && !core->i2c_rc) { \
if (core->gate_ctrl) \
core->gate_ctrl(core, 1); \
val = v4l2_ctrl_g_ctrl(ctrl_); \
if (core->gate_ctrl) \
core->gate_ctrl(core, 0); \
} \
val; \
})
struct cx8800_dev;
struct cx8802_dev;
/* ----------------------------------------------------------- */
/* function 0: video stuff */
struct cx8800_fh {
struct v4l2_fh fh;
struct cx8800_dev *dev;
unsigned int resources;
/* video capture */
struct videobuf_queue vidq;
/* vbi capture */
struct videobuf_queue vbiq;
};
struct cx8800_suspend_state {
int disabled;
};
struct cx8800_dev {
struct cx88_core *core;
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 */
struct pci_dev *pci;
unsigned char pci_rev,pci_lat;
const struct cx8800_fmt *fmt;
unsigned int width, height;
/* capture queues */
struct cx88_dmaqueue vidq;
struct cx88_dmaqueue vbiq;
/* various v4l controls */
/* other global state info */
struct cx8800_suspend_state state;
};
/* ----------------------------------------------------------- */
/* function 1: audio/alsa stuff */
/* =============> moved to cx88-alsa.c <====================== */
/* ----------------------------------------------------------- */
/* function 2: mpeg stuff */
struct cx8802_fh {
struct v4l2_fh fh;
struct cx8802_dev *dev;
struct videobuf_queue mpegq;
};
struct cx8802_suspend_state {
int disabled;
};
struct cx8802_driver {
struct cx88_core *core;
/* List of drivers attached to device */
struct list_head drvlist;
/* Type of driver and access required */
enum cx88_board_type type_id;
enum cx8802_board_access hw_access;
/* MPEG 8802 internal only */
int (*suspend)(struct pci_dev *pci_dev, pm_message_t state);
int (*resume)(struct pci_dev *pci_dev);
/* Callers to the following functions must hold core->lock */
/* MPEG 8802 -> mini driver - Driver probe and configuration */
int (*probe)(struct cx8802_driver *drv);
int (*remove)(struct cx8802_driver *drv);
/* MPEG 8802 -> mini driver - Access for hardware control */
int (*advise_acquire)(struct cx8802_driver *drv);
int (*advise_release)(struct cx8802_driver *drv);
/* MPEG 8802 <- mini driver - Access for hardware control */
int (*request_acquire)(struct cx8802_driver *drv);
int (*request_release)(struct cx8802_driver *drv);
};
struct cx8802_dev {
struct cx88_core *core;
spinlock_t slock;
/* pci i/o */
struct pci_dev *pci;
unsigned char pci_rev,pci_lat;
/* dma queues */
struct cx88_dmaqueue mpegq;
u32 ts_packet_size;
u32 ts_packet_count;
/* other global state info */
struct cx8802_suspend_state state;
/* for blackbird only */
struct list_head devlist;
#if IS_ENABLED(CONFIG_VIDEO_CX88_BLACKBIRD)
struct video_device *mpeg_dev;
u32 mailbox;
int width;
int height;
unsigned char mpeg_active; /* nonzero if mpeg encoder is active */
/* mpeg params */
struct cx2341x_handler cxhdl;
#endif
#if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
/* for dvb only */
struct videobuf_dvb_frontends frontends;
#endif
#if IS_ENABLED(CONFIG_VIDEO_CX88_VP3054)
/* For VP3045 secondary I2C bus support */
struct vp3054_i2c_state *vp3054;
#endif
/* for switching modulation types */
unsigned char ts_gen_cntrl;
/* List of attached drivers; must hold core->lock to access */
struct list_head drvlist;
struct work_struct request_module_wk;
};
/* ----------------------------------------------------------- */
#define cx_read(reg) readl(core->lmmio + ((reg)>>2))
#define cx_write(reg,value) writel((value), core->lmmio + ((reg)>>2))
#define cx_writeb(reg,value) writeb((value), core->bmmio + (reg))
#define cx_andor(reg,mask,value) \
writel((readl(core->lmmio+((reg)>>2)) & ~(mask)) |\
((value) & (mask)), core->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) (core->shadow[sreg])
#define cx_swrite(sreg,reg,value) \
(core->shadow[sreg] = value, \
writel(core->shadow[sreg], core->lmmio + ((reg)>>2)))
#define cx_sandor(sreg,reg,mask,value) \
(core->shadow[sreg] = (core->shadow[sreg] & ~(mask)) | ((value) & (mask)), \
writel(core->shadow[sreg], core->lmmio + ((reg)>>2)))
/* ----------------------------------------------------------- */
/* cx88-core.c */
extern unsigned int cx88_core_debug;
extern void cx88_print_irqbits(const char *name, const char *tag, const char *strings[],
int len, u32 bits, u32 mask);
extern int cx88_core_irq(struct cx88_core *core, u32 status);
extern void cx88_wakeup(struct cx88_core *core,
struct cx88_dmaqueue *q, u32 count);
extern void cx88_shutdown(struct cx88_core *core);
extern int cx88_reset(struct cx88_core *core);
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_databuffer(struct pci_dev *pci, struct btcx_riscmem *risc,
struct scatterlist *sglist, unsigned int bpl,
unsigned int lines, unsigned int lpi);
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 videobuf_queue *q, struct cx88_buffer *buf);
extern void cx88_risc_disasm(struct cx88_core *core,
struct btcx_riscmem *risc);
extern int cx88_sram_channel_setup(struct cx88_core *core,
const struct sram_channel *ch,
unsigned int bpl, u32 risc);
extern void cx88_sram_channel_dump(struct cx88_core *core,
const struct sram_channel *ch);
extern int cx88_set_scale(struct cx88_core *core, unsigned int width,
unsigned int height, enum v4l2_field field);
extern int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm);
extern struct video_device *cx88_vdev_init(struct cx88_core *core,
struct pci_dev *pci,
const struct video_device *template_,
const char *type);
extern struct cx88_core* cx88_core_get(struct pci_dev *pci);
extern void cx88_core_put(struct cx88_core *core,
struct pci_dev *pci);
extern int cx88_start_audio_dma(struct cx88_core *core);
extern int cx88_stop_audio_dma(struct cx88_core *core);
/* ----------------------------------------------------------- */
/* cx88-vbi.c */
/* Can be used as g_vbi_fmt, try_vbi_fmt and s_vbi_fmt */
int cx8800_vbi_fmt (struct file *file, void *priv,
struct v4l2_format *f);
/*
int cx8800_start_vbi_dma(struct cx8800_dev *dev,
struct cx88_dmaqueue *q,
struct cx88_buffer *buf);
*/
int cx8800_stop_vbi_dma(struct cx8800_dev *dev);
int cx8800_restart_vbi_queue(struct cx8800_dev *dev,
struct cx88_dmaqueue *q);
void cx8800_vbi_timeout(unsigned long data);
extern const struct videobuf_queue_ops cx8800_vbi_qops;
/* ----------------------------------------------------------- */
/* cx88-i2c.c */
extern int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci);
/* ----------------------------------------------------------- */
/* cx88-cards.c */
extern int cx88_tuner_callback(void *dev, int component, int command, int arg);
extern int cx88_get_resources(const struct cx88_core *core,
struct pci_dev *pci);
extern struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr);
extern void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl);
/* ----------------------------------------------------------- */
/* cx88-tvaudio.c */
void cx88_set_tvaudio(struct cx88_core *core);
void cx88_newstation(struct cx88_core *core);
void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t);
void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual);
int cx88_audio_thread(void *data);
int cx8802_register_driver(struct cx8802_driver *drv);
int cx8802_unregister_driver(struct cx8802_driver *drv);
/* Caller must hold core->lock */
struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype);
/* ----------------------------------------------------------- */
/* cx88-dsp.c */
s32 cx88_dsp_detect_stereo_sap(struct cx88_core *core);
/* ----------------------------------------------------------- */
/* cx88-input.c */
int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci);
int cx88_ir_fini(struct cx88_core *core);
void cx88_ir_irq(struct cx88_core *core);
int cx88_ir_start(struct cx88_core *core);
void cx88_ir_stop(struct cx88_core *core);
extern void cx88_i2c_init_ir(struct cx88_core *core);
/* ----------------------------------------------------------- */
/* cx88-mpeg.c */
int cx8802_buf_prepare(struct videobuf_queue *q,struct cx8802_dev *dev,
struct cx88_buffer *buf, enum v4l2_field field);
void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf);
void cx8802_cancel_buffers(struct cx8802_dev *dev);
/* ----------------------------------------------------------- */
/* cx88-video.c*/
int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i);
int cx88_set_freq(struct cx88_core *core, const struct v4l2_frequency *f);
int cx88_video_mux(struct cx88_core *core, unsigned int input);
void cx88_querycap(struct file *file, struct cx88_core *core,
struct v4l2_capability *cap);
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