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Diffstat (limited to 'drivers/staging/tm6000/tm6000.h')
| -rw-r--r-- | drivers/staging/tm6000/tm6000.h | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/drivers/staging/tm6000/tm6000.h b/drivers/staging/tm6000/tm6000.h new file mode 100644 index 000000000000..623e85c351e1 --- /dev/null +++ b/drivers/staging/tm6000/tm6000.h @@ -0,0 +1,230 @@ +/* + tm6000.h - driver for TM5600/TM6000 USB video capture devices + + Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.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 version 2 + + 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. + */ + +// Use the tm6000-hack, instead of the proper initialization code +//#define HACK 1 + +#include <linux/videodev2.h> +#include <media/v4l2-common.h> +#include <media/videobuf-vmalloc.h> +#include "tm6000-usb-isoc.h" +#include <linux/i2c.h> +#include <linux/mutex.h> + +#define TM6000_VERSION KERNEL_VERSION(0, 0, 1) + +/* Inputs */ +#define TM6000_INPUT_TV 0 +#define TM6000_INPUT_COMPOSITE 1 +#define TM6000_INPUT_SVIDEO 2 + +/* ------------------------------------------------------------------ + Basic structures + ------------------------------------------------------------------*/ + +struct tm6000_fmt { + char *name; + u32 fourcc; /* v4l2 format id */ + int depth; +}; + +/* buffer for one video frame */ +struct tm6000_buffer { + /* common v4l buffer stuff -- must be first */ + struct videobuf_buffer vb; + + struct tm6000_fmt *fmt; +}; + +struct tm6000_dmaqueue { + struct list_head active; + struct list_head queued; + struct timer_list timeout; + + /* thread for generating video stream*/ + struct task_struct *kthread; + wait_queue_head_t wq; + /* Counters to control fps rate */ + int frame; + int ini_jiffies; +}; + +/* device states */ +enum tm6000_core_state { + DEV_INITIALIZED = 0x01, + DEV_DISCONNECTED = 0x02, + DEV_MISCONFIGURED = 0x04, +}; + +/* io methods */ +enum tm6000_io_method { + IO_NONE, + IO_READ, + IO_MMAP, +}; + +enum tm6000_mode { + TM6000_MODE_UNKNOWN=0, + TM6000_MODE_ANALOG, + TM6000_MODE_DIGITAL, +}; + +struct tm6000_capabilities { + unsigned int has_tuner:1; + unsigned int has_tda9874:1; + unsigned int has_dvb:1; + unsigned int has_zl10353:1; + unsigned int has_eeprom:1; +}; + +struct tm6000_core { + /* 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 */ + v4l2_std_id norm; /* Current norm */ + + enum tm6000_core_state state; + + /* Device Capabilities*/ + struct tm6000_capabilities caps; + + /* Tuner configuration */ + int tuner_type; /* type of the tuner */ + int tuner_addr; /* tuner address */ + + /* i2c i/o */ + struct i2c_adapter i2c_adap; + struct i2c_client i2c_client; + + /* video for linux */ + struct list_head tm6000_corelist; + int users; + + /* various device info */ + unsigned int resources; + struct video_device vfd; + struct tm6000_dmaqueue vidq; + + int input; + int freq; + unsigned int fourcc; + + enum tm6000_mode mode; + + /* locks */ + struct mutex lock; + + /* usb transfer */ + struct usb_device *udev; /* the usb device */ + + struct usb_host_endpoint *bulk_in, *bulk_out, *isoc_in, *isoc_out; + unsigned int max_bulk_in, max_bulk_out; + unsigned int max_isoc_in, max_isoc_out; + + /* scaler!=0 if scaler is active*/ + int scaler; + + /* Isoc control struct */ + struct usb_isoc_ctl isoc_ctl; + + spinlock_t slock; +}; + +struct tm6000_fh { + struct tm6000_core *dev; + + /* video capture */ + struct tm6000_fmt *fmt; + unsigned int width,height; + struct videobuf_queue vb_vidq; + + enum v4l2_buf_type type; +}; + +#define TM6000_STD V4L2_STD_PAL|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc| \ + V4L2_STD_PAL_M|V4L2_STD_PAL_60|V4L2_STD_NTSC_M| \ + V4L2_STD_NTSC_M_JP|V4L2_STD_SECAM + +/* In tm6000-core.c */ +extern unsigned long tm6000_devused; + +int tm6000_read_write_usb (struct tm6000_core *dev, u8 reqtype, u8 req, + u16 value, u16 index, u8 *buf, u16 len); +int tm6000_get_reg (struct tm6000_core *dev, u8 req, u16 value, u16 index); +int tm6000_set_reg (struct tm6000_core *dev, u8 req, u16 value, u16 index); +int tm6000_init (struct tm6000_core *dev); +int tm6000_init_after_firmware (struct tm6000_core *dev); + +int tm6000_init_analog_mode (struct tm6000_core *dev); +int tm6000_set_standard (struct tm6000_core *dev, v4l2_std_id *norm); +int tm6000_set_audio_bitrate (struct tm6000_core *dev, int bitrate); + +int tm6000_v4l2_register(struct tm6000_core *dev); +int tm6000_v4l2_unregister(struct tm6000_core *dev); +int tm6000_v4l2_exit(void); +void tm6000_set_fourcc_format(struct tm6000_core *dev); + +/* In tm6000-i2c.c */ +int tm6000_i2c_register(struct tm6000_core *dev); +int tm6000_i2c_unregister(struct tm6000_core *dev); +void tm6000_i2c_call_clients(struct tm6000_core *dev, unsigned int cmd, + void *arg); + +/* In tm6000-queue.c */ + +int tm6000_v4l2_mmap(struct file *filp, struct vm_area_struct *vma); + +int tm6000_vidioc_streamon(struct file *file, void *priv, + enum v4l2_buf_type i); +int tm6000_vidioc_streamoff(struct file *file, void *priv, + enum v4l2_buf_type i); +int tm6000_vidioc_reqbufs (struct file *file, void *priv, + struct v4l2_requestbuffers *rb); +int tm6000_vidioc_querybuf (struct file *file, void *priv, + struct v4l2_buffer *b); +int tm6000_vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *b); +int tm6000_vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *b); +ssize_t tm6000_v4l2_read(struct file *filp, char __user * buf, size_t count, + loff_t * f_pos); +unsigned int tm6000_v4l2_poll(struct file *file, + struct poll_table_struct *wait); +int tm6000_queue_init(struct tm6000_core *dev); + +/* Debug stuff */ + +extern int tm6000_debug; + +#define dprintk(dev, level, fmt, arg...) do {\ + if (tm6000_debug & level) \ + printk(KERN_INFO "(%lu) %s %s :"fmt, jiffies, \ + dev->name, __FUNCTION__ , ##arg); } while (0) + +#define V4L2_DEBUG_REG 0x0004 +#define V4L2_DEBUG_I2C 0x0008 +#define V4L2_DEBUG_QUEUE 0x0010 +#define V4L2_DEBUG_ISOC 0x0020 +#define V4L2_DEBUG_RES_LOCK 0x0040 /* Resource locking */ +#define V4L2_DEBUG_OPEN 0x0080 /* video open/close debug */ + +#define tm6000_err(fmt, arg...) do {\ + printk(KERN_ERR "tm6000 %s :"fmt, \ + __FUNCTION__ , ##arg); } while (0) + + |