diff options
Diffstat (limited to 'drivers/dahdi/voicebus/vpmoct.h')
| -rw-r--r-- | drivers/dahdi/voicebus/vpmoct.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/drivers/dahdi/voicebus/vpmoct.h b/drivers/dahdi/voicebus/vpmoct.h new file mode 100644 index 0000000..486a80d --- /dev/null +++ b/drivers/dahdi/voicebus/vpmoct.h @@ -0,0 +1,110 @@ +/* + * VPMOCT Driver. + * + * Written by Russ Meyerriecks <rmeyerriecks@digium.com> + * + * Copyright (C) 2010-2011 Digium, Inc. + * + * All rights reserved. + * + */ + +/* + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2 as published by the + * Free Software Foundation. See the LICENSE file included with + * this program for more details. + */ + +#ifndef _VPMOCT_H +#define _VPMOCT_H + +#include <linux/list.h> +#include <linux/pci.h> +#include <linux/timer.h> +#include "dahdi/kernel.h" + +#include <stdbool.h> + +#define VPMOCT_FIRM_HEADER_LEN 32 +#define VPMOCT_BOOT_RAM_LEN 128 +#define VPMOCT_FLASH_BUF_SECTIONS 4 +#define VPMOCT_MAX_CHUNK 7 + +/* Bootloader commands */ +#define VPMOCT_BOOT_FLASH_ERASE 0x01 +#define VPMOCT_BOOT_FLASH_COPY 0x02 +#define VPMOCT_BOOT_IMAGE_VALIDATE 0x06 +#define VPMOCT_BOOT_REBOOT 0x07 +#define VPMOCT_BOOT_DECRYPT 0x08 +#define VPMOCT_BOOT_FLASHLOAD 0x10 + +/* Dual use registers */ +#define VPMOCT_IDENT 0x00 +#define VPMOCT_MAJOR 0x0a +#define VPMOCT_MINOR 0x0b +#define VPMOCT_SERIAL 0x90 +#define VPMOCT_SERIAL_SIZE 32 + +/* Bootloader registers */ +#define VPMOCT_BOOT_ERROR 0x0c +#define VPMOCT_BOOT_STATUS 0x10 +#define VPMOCT_BOOT_CMD 0x11 +#define VPMOCT_BOOT_LEN 0x14 +#define VPMOCT_BOOT_ADDRESS1 0x18 +#define VPMOCT_BOOT_ADDRESS2 0x1c +#define VPMOCT_BOOT_RAM 0x20 + +#define VPMOCT_MODE_BOOTLOADER 0 +#define VPMOCT_MODE_APPLICATION 1 + +struct vpmoct { + struct list_head pending_list; + struct list_head active_list; + spinlock_t list_lock; + struct mutex mutex; + unsigned short int mode; + struct device *dev; + u32 companding; + u32 echo; + unsigned int preecho_enabled:1; + unsigned int echo_update_active:1; + unsigned int companding_update_active:1; + u8 preecho_timeslot; + u8 preecho_buf[8]; + u8 major; + u8 minor; +}; + +struct vpmoct_cmd { + struct list_head node; + u8 address; + u8 data[VPMOCT_MAX_CHUNK]; + u8 command; + u8 chunksize; + u8 txident; + struct completion complete; +}; + +static inline bool is_vpmoct_cmd_read(const struct vpmoct_cmd *cmd) +{ + return (0x60 == (cmd->command & 0xf0)); +} + +struct vpmoct *vpmoct_alloc(void); +void vpmoct_free(struct vpmoct *vpm); +int vpmoct_init(struct vpmoct *vpm); +int vpmoct_echocan_create(struct vpmoct *vpm, + int channo, + int companding); +void vpmoct_echocan_free(struct vpmoct *vpm, + int channo); +int vpmoct_preecho_enable(struct vpmoct *vpm, int channo); +int vpmoct_preecho_disable(struct vpmoct *vpm, int channo); +#endif |