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-rw-r--r--drivers/media/video/cx231xx/cx231xx.h779
1 files changed, 779 insertions, 0 deletions
diff --git a/drivers/media/video/cx231xx/cx231xx.h b/drivers/media/video/cx231xx/cx231xx.h
new file mode 100644
index 000000000000..aa4a23ef491a
--- /dev/null
+++ b/drivers/media/video/cx231xx/cx231xx.h
@@ -0,0 +1,779 @@
+/*
+ cx231xx.h - driver for Conexant Cx23100/101/102 USB video capture devices
+
+ Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
+ Based on em28xx driver
+
+ 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.
+ */
+
+#ifndef _CX231XX_H
+#define _CX231XX_H
+
+#include <linux/videodev2.h>
+#include <linux/types.h>
+#include <linux/ioctl.h>
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+#include <linux/mutex.h>
+
+
+#include <media/videobuf-vmalloc.h>
+#include <media/v4l2-device.h>
+#include <media/ir-kbd-i2c.h>
+#if defined(CONFIG_VIDEO_CX231XX_DVB) || \
+ defined(CONFIG_VIDEO_CX231XX_DVB_MODULE)
+#include <media/videobuf-dvb.h>
+#endif
+
+#include "cx231xx-reg.h"
+#include "cx231xx-pcb-cfg.h"
+#include "cx231xx-conf-reg.h"
+
+#define DRIVER_NAME "cx231xx"
+#define PWR_SLEEP_INTERVAL 5
+
+/* I2C addresses for control block in Cx231xx */
+#define AFE_DEVICE_ADDRESS 0x60
+#define I2S_BLK_DEVICE_ADDRESS 0x98
+#define VID_BLK_I2C_ADDRESS 0x88
+#define DIF_USE_BASEBAND 0xFFFFFFFF
+
+/* Boards supported by driver */
+#define CX231XX_BOARD_UNKNOWN 0
+#define CX231XX_BOARD_CNXT_RDE_250 1
+#define CX231XX_BOARD_CNXT_RDU_250 2
+
+/* Limits minimum and default number of buffers */
+#define CX231XX_MIN_BUF 4
+#define CX231XX_DEF_BUF 12
+#define CX231XX_DEF_VBI_BUF 6
+
+#define VBI_LINE_COUNT 17
+#define VBI_LINE_LENGTH 1440
+
+/*Limits the max URB message size */
+#define URB_MAX_CTRL_SIZE 80
+
+/* Params for validated field */
+#define CX231XX_BOARD_NOT_VALIDATED 1
+#define CX231XX_BOARD_VALIDATED 0
+
+/* maximum number of cx231xx boards */
+#define CX231XX_MAXBOARDS 8
+
+/* maximum number of frames that can be queued */
+#define CX231XX_NUM_FRAMES 5
+
+/* number of buffers for isoc transfers */
+#define CX231XX_NUM_BUFS 8
+
+/* number of packets for each buffer
+ windows requests only 40 packets .. so we better do the same
+ this is what I found out for all alternate numbers there!
+ */
+#define CX231XX_NUM_PACKETS 40
+
+/* default alternate; 0 means choose the best */
+#define CX231XX_PINOUT 0
+
+#define CX231XX_INTERLACED_DEFAULT 1
+
+/* time to wait when stopping the isoc transfer */
+#define CX231XX_URB_TIMEOUT \
+ msecs_to_jiffies(CX231XX_NUM_BUFS * CX231XX_NUM_PACKETS)
+
+enum cx231xx_mode {
+ CX231XX_SUSPEND,
+ CX231XX_ANALOG_MODE,
+ CX231XX_DIGITAL_MODE,
+};
+
+enum cx231xx_std_mode {
+ CX231XX_TV_AIR = 0,
+ CX231XX_TV_CABLE
+};
+
+enum cx231xx_stream_state {
+ STREAM_OFF,
+ STREAM_INTERRUPT,
+ STREAM_ON,
+};
+
+struct cx231xx;
+
+struct cx231xx_usb_isoc_ctl {
+ /* max packet size of isoc transaction */
+ int max_pkt_size;
+
+ /* number of allocated urbs */
+ int num_bufs;
+
+ /* urb for isoc transfers */
+ struct urb **urb;
+
+ /* transfer buffers for isoc transfer */
+ char **transfer_buffer;
+
+ /* Last buffer command and region */
+ u8 cmd;
+ int pos, size, pktsize;
+
+ /* Last field: ODD or EVEN? */
+ int field;
+
+ /* Stores incomplete commands */
+ u32 tmp_buf;
+ int tmp_buf_len;
+
+ /* Stores already requested buffers */
+ struct cx231xx_buffer *buf;
+
+ /* Stores the number of received fields */
+ int nfields;
+
+ /* isoc urb callback */
+ int (*isoc_copy) (struct cx231xx *dev, struct urb *urb);
+};
+
+struct cx231xx_fmt {
+ char *name;
+ u32 fourcc; /* v4l2 format id */
+ int depth;
+ int reg;
+};
+
+/* buffer for one video frame */
+struct cx231xx_buffer {
+ /* common v4l buffer stuff -- must be first */
+ struct videobuf_buffer vb;
+
+ struct list_head frame;
+ int top_field;
+ int receiving;
+};
+
+struct cx231xx_dmaqueue {
+ struct list_head active;
+ struct list_head queued;
+
+ wait_queue_head_t wq;
+
+ /* Counters to control buffer fill */
+ int pos;
+ u8 is_partial_line;
+ u8 partial_buf[8];
+ u8 last_sav;
+ int current_field;
+ u32 bytes_left_in_line;
+ u32 lines_completed;
+ u8 field1_done;
+ u32 lines_per_field;
+};
+
+/* inputs */
+
+#define MAX_CX231XX_INPUT 4
+
+enum cx231xx_itype {
+ CX231XX_VMUX_COMPOSITE1 = 1,
+ CX231XX_VMUX_SVIDEO,
+ CX231XX_VMUX_TELEVISION,
+ CX231XX_VMUX_CABLE,
+ CX231XX_RADIO,
+ CX231XX_VMUX_DVB,
+ CX231XX_VMUX_DEBUG
+};
+
+enum cx231xx_v_input {
+ CX231XX_VIN_1_1 = 0x1,
+ CX231XX_VIN_2_1,
+ CX231XX_VIN_3_1,
+ CX231XX_VIN_4_1,
+ CX231XX_VIN_1_2 = 0x01,
+ CX231XX_VIN_2_2,
+ CX231XX_VIN_3_2,
+ CX231XX_VIN_1_3 = 0x1,
+ CX231XX_VIN_2_3,
+ CX231XX_VIN_3_3,
+};
+
+/* cx231xx has two audio inputs: tuner and line in */
+enum cx231xx_amux {
+ /* This is the only entry for cx231xx tuner input */
+ CX231XX_AMUX_VIDEO, /* cx231xx tuner */
+ CX231XX_AMUX_LINE_IN, /* Line In */
+};
+
+struct cx231xx_reg_seq {
+ unsigned char bit;
+ unsigned char val;
+ int sleep;
+};
+
+struct cx231xx_input {
+ enum cx231xx_itype type;
+ unsigned int vmux;
+ enum cx231xx_amux amux;
+ struct cx231xx_reg_seq *gpio;
+};
+
+#define INPUT(nr) (&cx231xx_boards[dev->model].input[nr])
+
+enum cx231xx_decoder {
+ CX231XX_NODECODER,
+ CX231XX_AVDECODER
+};
+
+enum CX231XX_I2C_MASTER_PORT {
+ I2C_0 = 0,
+ I2C_1 = 1,
+ I2C_2 = 2,
+ I2C_3 = 3
+};
+
+struct cx231xx_board {
+ char *name;
+ int vchannels;
+ int tuner_type;
+ int tuner_addr;
+ v4l2_std_id norm; /* tv norm */
+
+ /* demod related */
+ int demod_addr;
+ u8 demod_xfer_mode; /* 0 - Serial; 1 - parallel */
+
+ /* GPIO Pins */
+ struct cx231xx_reg_seq *dvb_gpio;
+ struct cx231xx_reg_seq *suspend_gpio;
+ struct cx231xx_reg_seq *tuner_gpio;
+ u8 tuner_sif_gpio;
+ u8 tuner_scl_gpio;
+ u8 tuner_sda_gpio;
+
+ /* PIN ctrl */
+ u32 ctl_pin_status_mask;
+ u8 agc_analog_digital_select_gpio;
+ u32 gpio_pin_status_mask;
+
+ /* i2c masters */
+ u8 tuner_i2c_master;
+ u8 demod_i2c_master;
+
+ unsigned int max_range_640_480:1;
+ unsigned int has_dvb:1;
+ unsigned int valid:1;
+
+ unsigned char xclk, i2c_speed;
+
+ enum cx231xx_decoder decoder;
+
+ struct cx231xx_input input[MAX_CX231XX_INPUT];
+ struct cx231xx_input radio;
+ IR_KEYTAB_TYPE *ir_codes;
+};
+
+/* device states */
+enum cx231xx_dev_state {
+ DEV_INITIALIZED = 0x01,
+ DEV_DISCONNECTED = 0x02,
+ DEV_MISCONFIGURED = 0x04,
+};
+
+enum AFE_MODE {
+ AFE_MODE_LOW_IF,
+ AFE_MODE_BASEBAND,
+ AFE_MODE_EU_HI_IF,
+ AFE_MODE_US_HI_IF,
+ AFE_MODE_JAPAN_HI_IF
+};
+
+enum AUDIO_INPUT {
+ AUDIO_INPUT_MUTE,
+ AUDIO_INPUT_LINE,
+ AUDIO_INPUT_TUNER_TV,
+ AUDIO_INPUT_SPDIF,
+ AUDIO_INPUT_TUNER_FM
+};
+
+#define CX231XX_AUDIO_BUFS 5
+#define CX231XX_NUM_AUDIO_PACKETS 64
+#define CX231XX_CAPTURE_STREAM_EN 1
+#define CX231XX_STOP_AUDIO 0
+#define CX231XX_START_AUDIO 1
+
+/* cx231xx extensions */
+#define CX231XX_AUDIO 0x10
+#define CX231XX_DVB 0x20
+
+struct cx231xx_audio {
+ char name[50];
+ char *transfer_buffer[CX231XX_AUDIO_BUFS];
+ struct urb *urb[CX231XX_AUDIO_BUFS];
+ struct usb_device *udev;
+ unsigned int capture_transfer_done;
+ struct snd_pcm_substream *capture_pcm_substream;
+
+ unsigned int hwptr_done_capture;
+ struct snd_card *sndcard;
+
+ int users, shutdown;
+ enum cx231xx_stream_state capture_stream;
+ spinlock_t slock;
+
+ int alt; /* alternate */
+ int max_pkt_size; /* max packet size of isoc transaction */
+ int num_alt; /* Number of alternative settings */
+ unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
+ u16 end_point_addr;
+};
+
+struct cx231xx;
+
+struct cx231xx_fh {
+ struct cx231xx *dev;
+ unsigned int stream_on:1; /* Locks streams */
+ int radio;
+
+ struct videobuf_queue vb_vidq;
+
+ enum v4l2_buf_type type;
+};
+
+/*****************************************************************/
+/* set/get i2c */
+/* 00--1Mb/s, 01-400kb/s, 10--100kb/s, 11--5Mb/s */
+#define I2C_SPEED_1M 0x0
+#define I2C_SPEED_400K 0x1
+#define I2C_SPEED_100K 0x2
+#define I2C_SPEED_5M 0x3
+
+/* 0-- STOP transaction */
+#define I2C_STOP 0x0
+/* 1-- do not transmit STOP at end of transaction */
+#define I2C_NOSTOP 0x1
+/* 1--alllow slave to insert clock wait states */
+#define I2C_SYNC 0x1
+
+struct cx231xx_i2c {
+ struct cx231xx *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;
+
+ /* different settings for each bus */
+ u8 i2c_period;
+ u8 i2c_nostop;
+ u8 i2c_reserve;
+};
+
+struct cx231xx_i2c_xfer_data {
+ u8 dev_addr;
+ u8 direction; /* 1 - IN, 0 - OUT */
+ u8 saddr_len; /* sub address len */
+ u16 saddr_dat; /* sub addr data */
+ u8 buf_size; /* buffer size */
+ u8 *p_buffer; /* pointer to the buffer */
+};
+
+struct VENDOR_REQUEST_IN {
+ u8 bRequest;
+ u16 wValue;
+ u16 wIndex;
+ u16 wLength;
+ u8 direction;
+ u8 bData;
+ u8 *pBuff;
+};
+
+struct cx231xx_ctrl {
+ struct v4l2_queryctrl v;
+ u32 off;
+ u32 reg;
+ u32 mask;
+ u32 shift;
+};
+
+enum TRANSFER_TYPE {
+ Raw_Video = 0,
+ Audio,
+ Vbi, /* VANC */
+ Sliced_cc, /* HANC */
+ TS1_serial_mode,
+ TS2,
+ TS1_parallel_mode
+} ;
+
+struct cx231xx_video_mode {
+ /* Isoc control struct */
+ struct cx231xx_dmaqueue vidq;
+ struct cx231xx_usb_isoc_ctl isoc_ctl;
+ spinlock_t slock;
+
+ /* usb transfer */
+ int alt; /* alternate */
+ int max_pkt_size; /* max packet size of isoc transaction */
+ int num_alt; /* Number of alternative settings */
+ unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
+ u16 end_point_addr;
+};
+
+/* main device struct */
+struct cx231xx {
+ /* generic device properties */
+ char name[30]; /* name (including minor) of the device */
+ int model; /* index in the device_data struct */
+ int devno; /* marks the number of this device */
+
+ struct cx231xx_board board;
+
+ unsigned int stream_on:1; /* Locks streams */
+ unsigned int vbi_stream_on:1; /* Locks streams for VBI */
+ unsigned int has_audio_class:1;
+ unsigned int has_alsa_audio:1;
+
+ struct cx231xx_fmt *format;
+
+ struct v4l2_device v4l2_dev;
+ struct v4l2_subdev *sd_cx25840;
+ struct v4l2_subdev *sd_tuner;
+
+ struct cx231xx_IR *ir;
+
+ struct list_head devlist;
+
+ int tuner_type; /* type of the tuner */
+ int tuner_addr; /* tuner address */
+
+ /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
+ struct cx231xx_i2c i2c_bus[3];
+ unsigned int xc_fw_load_done:1;
+ struct mutex gpio_i2c_lock;
+
+ /* video for linux */
+ int users; /* user count for exclusive use */
+ struct video_device *vdev; /* video for linux device struct */
+ v4l2_std_id norm; /* selected tv norm */
+ int ctl_freq; /* selected frequency */
+ unsigned int ctl_ainput; /* selected audio input */
+ int mute;
+ int volume;
+
+ /* frame properties */
+ int width; /* current frame width */
+ int height; /* current frame height */
+ unsigned hscale; /* horizontal scale factor (see datasheet) */
+ unsigned vscale; /* vertical scale factor (see datasheet) */
+ int interlaced; /* 1=interlace fileds, 0=just top fileds */
+
+ struct cx231xx_audio adev;
+
+ /* states */
+ enum cx231xx_dev_state state;
+
+ struct work_struct request_module_wk;
+
+ /* locks */
+ struct mutex lock;
+ struct mutex ctrl_urb_lock; /* protects urb_buf */
+ struct list_head inqueue, outqueue;
+ wait_queue_head_t open, wait_frame, wait_stream;
+ struct video_device *vbi_dev;
+ struct video_device *radio_dev;
+
+ unsigned char eedata[256];
+
+ struct cx231xx_video_mode video_mode;
+ struct cx231xx_video_mode vbi_mode;
+ struct cx231xx_video_mode sliced_cc_mode;
+ struct cx231xx_video_mode ts1_mode;
+
+ struct usb_device *udev; /* the usb device */
+ char urb_buf[URB_MAX_CTRL_SIZE]; /* urb control msg buffer */
+
+ /* helper funcs that call usb_control_msg */
+ int (*cx231xx_read_ctrl_reg) (struct cx231xx *dev, u8 req, u16 reg,
+ char *buf, int len);
+ int (*cx231xx_write_ctrl_reg) (struct cx231xx *dev, u8 req, u16 reg,
+ char *buf, int len);
+ int (*cx231xx_send_usb_command) (struct cx231xx_i2c *i2c_bus,
+ struct cx231xx_i2c_xfer_data *req_data);
+ int (*cx231xx_gpio_i2c_read) (struct cx231xx *dev, u8 dev_addr,
+ u8 *buf, u8 len);
+ int (*cx231xx_gpio_i2c_write) (struct cx231xx *dev, u8 dev_addr,
+ u8 *buf, u8 len);
+
+ int (*cx231xx_set_analog_freq) (struct cx231xx *dev, u32 freq);
+ int (*cx231xx_reset_analog_tuner) (struct cx231xx *dev);
+
+ enum cx231xx_mode mode;
+
+ struct cx231xx_dvb *dvb;
+
+ /* Cx231xx supported PCB config's */
+ struct pcb_config current_pcb_config;
+ u8 current_scenario_idx;
+ u8 interface_count;
+ u8 max_iad_interface_count;
+
+ /* GPIO related register direction and values */
+ u32 gpio_dir;
+ u32 gpio_val;
+
+ /* Power Modes */
+ int power_mode;
+
+ /* afe parameters */
+ enum AFE_MODE afe_mode;
+ u32 afe_ref_count;
+
+ /* video related parameters */
+ u32 video_input;
+ u32 active_mode;
+ u8 vbi_or_sliced_cc_mode; /* 0 - vbi ; 1 - sliced cc mode */
+ enum cx231xx_std_mode std_mode; /* 0 - Air; 1 - cable */
+
+};
+
+#define cx25840_call(cx231xx, o, f, args...) \
+ v4l2_subdev_call(cx231xx->sd_cx25840, o, f, ##args)
+#define tuner_call(cx231xx, o, f, args...) \
+ v4l2_subdev_call(cx231xx->sd_tuner, o, f, ##args)
+#define call_all(dev, o, f, args...) \
+ v4l2_device_call_until_err(&dev->v4l2_dev, 0, o, f, ##args)
+
+struct cx231xx_ops {
+ struct list_head next;
+ char *name;
+ int id;
+ int (*init) (struct cx231xx *);
+ int (*fini) (struct cx231xx *);
+};
+
+/* call back functions in dvb module */
+int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq);
+int cx231xx_reset_analog_tuner(struct cx231xx *dev);
+
+/* Provided by cx231xx-i2c.c */
+void cx231xx_do_i2c_scan(struct cx231xx *dev, struct i2c_client *c);
+int cx231xx_i2c_register(struct cx231xx_i2c *bus);
+int cx231xx_i2c_unregister(struct cx231xx_i2c *bus);
+
+/* Internal block control functions */
+int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr,
+ u16 saddr, u8 saddr_len, u32 *data, u8 data_len);
+int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr,
+ u16 saddr, u8 saddr_len, u32 data, u8 data_len);
+int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size,
+ u16 register_address, u8 bit_start, u8 bit_end,
+ u32 value);
+int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
+ u16 saddr, u32 mask, u32 value);
+u32 cx231xx_set_field(u32 field_mask, u32 data);
+
+/* afe related functions */
+int cx231xx_afe_init_super_block(struct cx231xx *dev, u32 ref_count);
+int cx231xx_afe_init_channels(struct cx231xx *dev);
+int cx231xx_afe_setup_AFE_for_baseband(struct cx231xx *dev);
+int cx231xx_afe_set_input_mux(struct cx231xx *dev, u32 input_mux);
+int cx231xx_afe_set_mode(struct cx231xx *dev, enum AFE_MODE mode);
+int cx231xx_afe_update_power_control(struct cx231xx *dev,
+ enum AV_MODE avmode);
+int cx231xx_afe_adjust_ref_count(struct cx231xx *dev, u32 video_input);
+
+/* i2s block related functions */
+int cx231xx_i2s_blk_initialize(struct cx231xx *dev);
+int cx231xx_i2s_blk_update_power_control(struct cx231xx *dev,
+ enum AV_MODE avmode);
+int cx231xx_i2s_blk_set_audio_input(struct cx231xx *dev, u8 audio_input);
+
+/* DIF related functions */
+int cx231xx_dif_configure_C2HH_for_low_IF(struct cx231xx *dev, u32 mode,
+ u32 function_mode, u32 standard);
+int cx231xx_dif_set_standard(struct cx231xx *dev, u32 standard);
+int cx231xx_tuner_pre_channel_change(struct cx231xx *dev);
+int cx231xx_tuner_post_channel_change(struct cx231xx *dev);
+
+/* video parser functions */
+u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size,
+ u32 *p_bytes_used);
+u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf,
+ u32 *p_bytes_used);
+int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
+ u8 *p_buffer, u32 bytes_to_copy);
+void cx231xx_reset_video_buffer(struct cx231xx *dev,
+ struct cx231xx_dmaqueue *dma_q);
+u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q);
+u32 cx231xx_copy_video_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
+ u8 *p_line, u32 length, int field_number);
+u32 cx231xx_get_video_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
+ u8 sav_eav, u8 *p_buffer, u32 buffer_size);
+void cx231xx_swab(u16 *from, u16 *to, u16 len);
+
+/* Provided by cx231xx-core.c */
+
+u32 cx231xx_request_buffers(struct cx231xx *dev, u32 count);
+void cx231xx_queue_unusedframes(struct cx231xx *dev);
+void cx231xx_release_buffers(struct cx231xx *dev);
+
+/* read from control pipe */
+int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
+ char *buf, int len);
+
+/* write to control pipe */
+int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
+ char *buf, int len);
+int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode);
+
+int cx231xx_send_vendor_cmd(struct cx231xx *dev,
+ struct VENDOR_REQUEST_IN *ven_req);
+int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus,
+ struct cx231xx_i2c_xfer_data *req_data);
+
+/* Gpio related functions */
+int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val,
+ u8 len, u8 request, u8 direction);
+int cx231xx_set_gpio_bit(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val);
+int cx231xx_get_gpio_bit(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val);
+int cx231xx_set_gpio_value(struct cx231xx *dev, int pin_number, int pin_value);
+int cx231xx_set_gpio_direction(struct cx231xx *dev, int pin_number,
+ int pin_value);
+
+int cx231xx_gpio_i2c_start(struct cx231xx *dev);
+int cx231xx_gpio_i2c_end(struct cx231xx *dev);
+int cx231xx_gpio_i2c_write_byte(struct cx231xx *dev, u8 data);
+int cx231xx_gpio_i2c_read_byte(struct cx231xx *dev, u8 *buf);
+int cx231xx_gpio_i2c_read_ack(struct cx231xx *dev);
+int cx231xx_gpio_i2c_write_ack(struct cx231xx *dev);
+int cx231xx_gpio_i2c_write_nak(struct cx231xx *dev);
+
+int cx231xx_gpio_i2c_read(struct cx231xx *dev, u8 dev_addr, u8 *buf, u8 len);
+int cx231xx_gpio_i2c_write(struct cx231xx *dev, u8 dev_addr, u8 *buf, u8 len);
+
+/* audio related functions */
+int cx231xx_set_audio_decoder_input(struct cx231xx *dev,
+ enum AUDIO_INPUT audio_input);
+
+int cx231xx_capture_start(struct cx231xx *dev, int start, u8 media_type);
+int cx231xx_resolution_set(struct cx231xx *dev);
+int cx231xx_set_video_alternate(struct cx231xx *dev);
+int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt);
+int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
+ int num_bufs, int max_pkt_size,
+ int (*isoc_copy) (struct cx231xx *dev,
+ struct urb *urb));
+void cx231xx_uninit_isoc(struct cx231xx *dev);
+int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode);
+int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio);
+
+/* Device list functions */
+void cx231xx_release_resources(struct cx231xx *dev);
+void cx231xx_release_analog_resources(struct cx231xx *dev);
+int cx231xx_register_analog_devices(struct cx231xx *dev);
+void cx231xx_remove_from_devlist(struct cx231xx *dev);
+void cx231xx_add_into_devlist(struct cx231xx *dev);
+struct cx231xx *cx231xx_get_device(int minor,
+ enum v4l2_buf_type *fh_type, int *has_radio);
+void cx231xx_init_extension(struct cx231xx *dev);
+void cx231xx_close_extension(struct cx231xx *dev);
+
+/* hardware init functions */
+int cx231xx_dev_init(struct cx231xx *dev);
+void cx231xx_dev_uninit(struct cx231xx *dev);
+void cx231xx_config_i2c(struct cx231xx *dev);
+int cx231xx_config(struct cx231xx *dev);
+
+/* Stream control functions */
+int cx231xx_start_stream(struct cx231xx *dev, u32 ep_mask);
+int cx231xx_stop_stream(struct cx231xx *dev, u32 ep_mask);
+
+int cx231xx_initialize_stream_xfer(struct cx231xx *dev, u32 media_type);
+
+/* Power control functions */
+int cx231xx_set_power_mode(struct cx231xx *dev, enum AV_MODE mode);
+int cx231xx_power_suspend(struct cx231xx *dev);
+
+/* chip specific control functions */
+int cx231xx_init_ctrl_pin_status(struct cx231xx *dev);
+int cx231xx_set_agc_analog_digital_mux_select(struct cx231xx *dev,
+ u8 analog_or_digital);
+int cx231xx_enable_i2c_for_tuner(struct cx231xx *dev, u8 I2CIndex);
+
+/* video audio decoder related functions */
+void video_mux(struct cx231xx *dev, int index);
+int cx231xx_set_video_input_mux(struct cx231xx *dev, u8 input);
+int cx231xx_set_decoder_video_input(struct cx231xx *dev, u8 pin_type, u8 input);
+int cx231xx_do_mode_ctrl_overrides(struct cx231xx *dev);
+int cx231xx_set_audio_input(struct cx231xx *dev, u8 input);
+void get_scale(struct cx231xx *dev,
+ unsigned int width, unsigned int height,
+ unsigned int *hscale, unsigned int *vscale);
+
+/* Provided by cx231xx-video.c */
+int cx231xx_register_extension(struct cx231xx_ops *dev);
+void cx231xx_unregister_extension(struct cx231xx_ops *dev);
+void cx231xx_init_extension(struct cx231xx *dev);
+void cx231xx_close_extension(struct cx231xx *dev);
+
+/* Provided by cx231xx-cards.c */
+extern void cx231xx_pre_card_setup(struct cx231xx *dev);
+extern void cx231xx_card_setup(struct cx231xx *dev);
+extern struct cx231xx_board cx231xx_boards[];
+extern struct usb_device_id cx231xx_id_table[];
+extern const unsigned int cx231xx_bcount;
+void cx231xx_set_ir(struct cx231xx *dev, struct IR_i2c *ir);
+int cx231xx_tuner_callback(void *ptr, int component, int command, int arg);
+
+/* Provided by cx231xx-input.c */
+int cx231xx_ir_init(struct cx231xx *dev);
+int cx231xx_ir_fini(struct cx231xx *dev);
+
+/* printk macros */
+
+#define cx231xx_err(fmt, arg...) do {\
+ printk(KERN_ERR fmt , ##arg); } while (0)
+
+#define cx231xx_errdev(fmt, arg...) do {\
+ printk(KERN_ERR "%s: "fmt,\
+ dev->name , ##arg); } while (0)
+
+#define cx231xx_info(fmt, arg...) do {\
+ printk(KERN_INFO "%s: "fmt,\
+ dev->name , ##arg); } while (0)
+#define cx231xx_warn(fmt, arg...) do {\
+ printk(KERN_WARNING "%s: "fmt,\
+ dev->name , ##arg); } while (0)
+
+static inline unsigned int norm_maxw(struct cx231xx *dev)
+{
+ if (dev->board.max_range_640_480)
+ return 640;
+ else
+ return 720;
+}
+
+static inline unsigned int norm_maxh(struct cx231xx *dev)
+{
+ if (dev->board.max_range_640_480)
+ return 480;
+ else
+ return (dev->norm & V4L2_STD_625_50) ? 576 : 480;
+}
+#endif
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