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Diffstat (limited to 'include/video/sprd_jpg.h')
| -rw-r--r-- | include/video/sprd_jpg.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/video/sprd_jpg.h b/include/video/sprd_jpg.h new file mode 100644 index 00000000..e23c0082 --- /dev/null +++ b/include/video/sprd_jpg.h @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2012 Spreadtrum Communications Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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. + */ +#ifndef _SPRD_JPG_H +#define _SPRD_JPG_H + +#include <linux/ioctl.h> + +/*76k vsp address space size*/ +#define SPRD_JPG_MAP_SIZE 0x6000 + +#define SPRD_JPG_IOCTL_MAGIC 'm' +#define JPG_CONFIG_FREQ _IOW(SPRD_JPG_IOCTL_MAGIC, 1, unsigned int) +#define JPG_GET_FREQ _IOR(SPRD_JPG_IOCTL_MAGIC, 2, unsigned int) +#define JPG_ENABLE _IO(SPRD_JPG_IOCTL_MAGIC, 3) +#define JPG_DISABLE _IO(SPRD_JPG_IOCTL_MAGIC, 4) +#define JPG_ACQUAIRE _IO(SPRD_JPG_IOCTL_MAGIC, 5) +#define JPG_RELEASE _IO(SPRD_JPG_IOCTL_MAGIC, 6) +#define JPG_START _IO(SPRD_JPG_IOCTL_MAGIC, 7) +#define JPG_RESET _IO(SPRD_JPG_IOCTL_MAGIC, 8) +//#define JPG_REG_IRQ _IO(SPRD_JPG_IOCTL_MAGIC,9) +//#define JPG_UNREG_IRQ _IO(SPRD_JPG_IOCTL_MAGIC,10) +#define JPG_ACQUAIRE_MBIO_VLC_DONE _IOR(SPRD_JPG_IOCTL_MAGIC, 9,unsigned int) + +enum sprd_jpg_frequency_e{ + JPG_FREQENCY_LEVEL_0 = 0, + JPG_FREQENCY_LEVEL_1 = 1, + JPG_FREQENCY_LEVEL_2 = 2, + JPG_FREQENCY_LEVEL_3 = 3 +}; + +/* +ioctl command description +the JPG module user must mmap the jpg module address space to user-space to access +the hardware. +JPG_ACQUAIRE:aquaire the jpg module lock +JPG_RELEASE:release the jpg module lock +all other commands must be sent only when the JPG user posses the lock +JPG_ENABLE:enable jpg module clock +JPG_DISABLE:disable jpg module clock +JPG_START:all the preparing work is done and start the jpg module, the jpg module finishes +its job after this command retruns. +JPG_RESET:reset jpg module hardware +JPG_CONFIG_FREQ/JPG_GET_FREQ:set/get jpg module frequency,the parameter is of +type sprd_jpg_frequency_e, the smaller the faster +*/ + +#endif + |