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