diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp_acc.h')
-rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp_acc.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp_acc.h b/drivers/staging/media/atomisp/pci/atomisp_acc.h new file mode 100644 index 000000000000..ba14181962f8 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/atomisp_acc.h @@ -0,0 +1,119 @@ +/* + * Support for Clovertrail PNW Camera Imaging ISP subsystem. + * + * Copyright (c) 2012 Intel Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * 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 __ATOMISP_ACC_H__ +#define __ATOMISP_ACC_H__ + +#include "../../include/linux/atomisp.h" +#include "atomisp_internal.h" + +#include "ia_css_types.h" + +/* + * Interface functions for AtomISP driver acceleration API implementation. + */ + +struct atomisp_sub_device; + +void atomisp_acc_cleanup(struct atomisp_device *isp); + +/* + * Free up any allocated resources. + * Must be called each time when the device is closed. + * Note that there isn't corresponding open() call; + * this function may be called sequentially multiple times. + * Must be called to free up resources before driver is unloaded. + */ +void atomisp_acc_release(struct atomisp_sub_device *asd); + +/* Load acceleration binary. DEPRECATED. */ +int atomisp_acc_load(struct atomisp_sub_device *asd, + struct atomisp_acc_fw_load *fw); + +/* Load acceleration binary with specified properties */ +int atomisp_acc_load_to_pipe(struct atomisp_sub_device *asd, + struct atomisp_acc_fw_load_to_pipe *fw); + +/* Unload specified acceleration binary */ +int atomisp_acc_unload(struct atomisp_sub_device *asd, + unsigned int *handle); + +/* + * Map a memory region into ISP memory space. + */ +int atomisp_acc_map(struct atomisp_sub_device *asd, + struct atomisp_acc_map *map); + +/* + * Unmap a mapped memory region. + */ +int atomisp_acc_unmap(struct atomisp_sub_device *asd, + struct atomisp_acc_map *map); + +/* + * Set acceleration binary argument to a previously mapped memory region. + */ +int atomisp_acc_s_mapped_arg(struct atomisp_sub_device *asd, + struct atomisp_acc_s_mapped_arg *arg); + +/* + * Start acceleration. + * Return immediately, acceleration is left running in background. + * Specify either acceleration binary or pipeline which to start. + */ +int atomisp_acc_start(struct atomisp_sub_device *asd, + unsigned int *handle); + +/* + * Wait until acceleration finishes. + * This MUST be called after each acceleration has been started. + * Specify either acceleration binary or pipeline handle. + */ +int atomisp_acc_wait(struct atomisp_sub_device *asd, + unsigned int *handle); + +/* + * Used by ISR to notify ACC stage finished. + * This is internally used and does not export as IOCTL. + */ +void atomisp_acc_done(struct atomisp_sub_device *asd, unsigned int handle); + +/* + * Appends the loaded acceleration binary extensions to the + * current ISP mode. Must be called just before atomisp_css_start(). + */ +int atomisp_acc_load_extensions(struct atomisp_sub_device *asd); + +/* + * Must be called after streaming is stopped: + * unloads any loaded acceleration extensions. + */ +void atomisp_acc_unload_extensions(struct atomisp_sub_device *asd); + +/* + * Set acceleration firmware flags. + */ +int atomisp_acc_set_state(struct atomisp_sub_device *asd, + struct atomisp_acc_state *arg); + +/* + * Get acceleration firmware flags. + */ +int atomisp_acc_get_state(struct atomisp_sub_device *asd, + struct atomisp_acc_state *arg); + +#endif /* __ATOMISP_ACC_H__ */ |