d9c700d415
Reading and writing to a register doesn't always work reliably. Add a cache and ensure that it is deallocated properly upon module disconnect. Signed-off-by: Erik Andr?n <erik.andren@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/*
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* USB Driver for ALi m5602 based webcams
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*
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* Copyright (C) 2008 Erik Andrén
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* Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
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* Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
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*
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* Portions of code to USB interface and ALi driver software,
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* Copyright (c) 2006 Willem Duinker
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* v4l2 interface modeled after the V4L2 driver
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* for SN9C10x PC Camera Controllers
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*
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*/
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#ifndef M5602_SENSOR_H_
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#define M5602_SENSOR_H_
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#include "m5602_bridge.h"
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/* Enumerates all supported sensors */
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enum sensors {
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OV9650_SENSOR = 1,
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S5K83A_SENSOR = 2,
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S5K4AA_SENSOR = 3,
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MT9M111_SENSOR = 4,
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PO1030_SENSOR = 5
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};
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/* Enumerates all possible instruction types */
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enum instruction {
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BRIDGE,
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SENSOR,
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SENSOR_LONG
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};
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struct m5602_sensor {
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/* Defines the name of a sensor */
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char name[32];
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/* What i2c address the sensor is connected to */
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u8 i2c_slave_id;
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/* Width of each i2c register (in bytes) */
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u8 i2c_regW;
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/* Probes if the sensor is connected */
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int (*probe)(struct sd *sd);
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/* Performs a initialization sequence */
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int (*init)(struct sd *sd);
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/* Executed when the camera starts to send data */
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int (*start)(struct sd *sd);
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/* Executed when the camera ends to send data */
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int (*stop)(struct sd *sd);
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/* Executed when the device is disconnected */
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void (*disconnect)(struct sd *sd);
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/* Performs a power down sequence */
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int (*power_down)(struct sd *sd);
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};
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#endif
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