diff options
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-i2c-track.h')
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-i2c-track.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-track.h b/drivers/media/video/pvrusb2/pvrusb2-i2c-track.h new file mode 100644 index 000000000000..7d0e4fb63785 --- /dev/null +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-track.h @@ -0,0 +1,97 @@ +/* + * + * + * Copyright (C) 2005 Mike Isely <isely@pobox.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 + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ +#ifndef __PVRUSB2_I2C_TRACK_H +#define __PVRUSB2_I2C_TRACK_H + +#include <linux/list.h> +#include <linux/i2c.h> + +struct pvr2_hdw; +struct pvr2_i2c_client; +struct pvr2_i2c_handler; +struct pvr2_i2c_handler_functions; +struct pvr2_i2c_op; +struct pvr2_i2c_op_functions; + +struct pvr2_i2c_client { + struct i2c_client *client; + struct pvr2_i2c_handler *handler; + struct list_head list; + struct pvr2_hdw *hdw; + int detected_flag; + int recv_enable; + unsigned long pend_mask; + unsigned long ctl_mask; + void (*status_poll)(struct pvr2_i2c_client *); +}; + +struct pvr2_i2c_handler { + void *func_data; + const struct pvr2_i2c_handler_functions *func_table; +}; + +struct pvr2_i2c_handler_functions { + void (*detach)(void *); + int (*check)(void *); + void (*update)(void *); + unsigned int (*describe)(void *,char *,unsigned int); +}; + +struct pvr2_i2c_op { + int (*check)(struct pvr2_hdw *); + void (*update)(struct pvr2_hdw *); + const char *name; +}; + +void pvr2_i2c_track_init(struct pvr2_hdw *); +void pvr2_i2c_track_done(struct pvr2_hdw *); +void pvr2_i2c_track_attach_inform(struct i2c_client *); +void pvr2_i2c_track_detach_inform(struct i2c_client *); + +int pvr2_i2c_client_cmd(struct pvr2_i2c_client *,unsigned int cmd,void *arg); +int pvr2_i2c_core_cmd(struct pvr2_hdw *,unsigned int cmd,void *arg); + +int pvr2_i2c_core_check_stale(struct pvr2_hdw *); +void pvr2_i2c_core_sync(struct pvr2_hdw *); +void pvr2_i2c_core_status_poll(struct pvr2_hdw *); +unsigned int pvr2_i2c_report(struct pvr2_hdw *,char *buf,unsigned int maxlen); +#define PVR2_I2C_DETAIL_DEBUG 0x0001 +#define PVR2_I2C_DETAIL_HANDLER 0x0002 +#define PVR2_I2C_DETAIL_CTLMASK 0x0004 +#define PVR2_I2C_DETAIL_ALL (\ + PVR2_I2C_DETAIL_DEBUG |\ + PVR2_I2C_DETAIL_HANDLER |\ + PVR2_I2C_DETAIL_CTLMASK) + +void pvr2_i2c_probe(struct pvr2_hdw *,struct pvr2_i2c_client *); +const struct pvr2_i2c_op *pvr2_i2c_get_op(unsigned int idx); + +#endif /* __PVRUSB2_I2C_CORE_H */ + + +/* + Stuff for Emacs to see, in order to encourage consistent editing style: + *** Local Variables: *** + *** mode: c *** + *** fill-column: 75 *** + *** tab-width: 8 *** + *** c-basic-offset: 8 *** + *** End: *** + */ |