diff options
Diffstat (limited to 'snd-alpx/alpx_mtd.h')
| -rw-r--r-- | snd-alpx/alpx_mtd.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/snd-alpx/alpx_mtd.h b/snd-alpx/alpx_mtd.h new file mode 100644 index 0000000..1735619 --- /dev/null +++ b/snd-alpx/alpx_mtd.h @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* +* Support for Digigram AlpX PCI-e boards +* +* Copyright (c) 2024 Digigram Digital (info@digigram.com) +*/ +#ifndef _ALPX_MTD_H +#define _ALPX_MTD_H + +#include "alpx.h" +#include "alpx_proc.h" +#include <linux/mtd/partitions.h> + +int alpx_mtd_read(struct mtd_info *mtd, loff_t from, size_t len, + size_t *retlen, u_char *buf); +int alpx_mtd_write(struct mtd_info *mtd, loff_t to, size_t len, + size_t *retlen, const u_char *buf); +int alpx_mtd_probe(struct alpx_device *alpx_dev, const struct mtd_partition* partitions, u32 partitions_size); +int alpx_mtd_remove(struct alpx_device *alpx_dev); + +/* Check validity of PRODUCTION area in Golden Region : Serial Number set */ +int alpx_mtd_is_golden_prod_area_valid(struct alpx_device* alpx_dev); + +/*replicate the USER's Production area into the GOLDEN's Production area */ +int alpx_mtd_replicate_prod_area(struct alpx_device* alpx_dev); + +/* Read lenght Bytes out of the flash FROM to the TO buffer using the SHARED area => length limited*/ +int alpx_mtd_read_from(struct alpx_device* alpx_dev, + uint32_t from, + unsigned char* to, + unsigned int length); + +/* Load the SHARED Area with Flash data "from" , NOT MT safe */ +int alpx_mtd_load_shared_from(struct alpx_device* alpx_dev, uint32_t from); + +/* Read Shared Area "at" to for "length" bytes NOT MT safe */ +int alpx_mtd_read_shared(struct alpx_device* alpx_dev, + uint32_t at, + unsigned char* to, + unsigned int length); + +/* Clean the Shared Area NOT MT safe */ +int alpx_mtd_clean_shared(struct alpx_device* alpx_dev); + +/* return true if the MTD is availble for the given device */ +int alpx_mtd_is_available(struct alpx_device* alpx_dev); + +#endif |