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   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Simon Qian <SimonQian@SimonQian.com>            *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  16  ***************************************************************************/
  17
  18 #ifndef __VERSALOON_H_INCLUDED__
  19 #define __VERSALOON_H_INCLUDED__
  20
  21 #include <libusb.h>
  22
  23 struct usart_status_t {
  24         uint32_t tx_buff_avail;
  25         uint32_t tx_buff_size;
  26         uint32_t rx_buff_avail;
  27         uint32_t rx_buff_size;
  28 };
  29
  30 #include "usbtoxxx/usbtoxxx.h"
  31
  32 /* GPIO pins */
  33 #define GPIO_SRST                               (1 << 0)
  34 #define GPIO_TRST                               (1 << 1)
  35 #define GPIO_USR1                               (1 << 2)
  36 #define GPIO_USR2                               (1 << 3)
  37 #define GPIO_TCK                                (1 << 4)
  38 #define GPIO_TDO                                (1 << 5)
  39 #define GPIO_TDI                                (1 << 6)
  40 #define GPIO_RTCK                               (1 << 7)
  41 #define GPIO_TMS                                (1 << 8)
  42
  43 struct interface_gpio_t {
  44         RESULT(*init)(uint8_t interface_index);
  45         RESULT(*fini)(uint8_t interface_index);
  46         RESULT(*config)(uint8_t interface_index, uint32_t pin_mask, uint32_t io,
  47                         uint32_t pull_en_mask, uint32_t input_pull_mask);
  48         RESULT(*out)(uint8_t interface_index, uint32_t pin_mask, uint32_t value);
  49         RESULT(*in)(uint8_t interface_index, uint32_t pin_mask, uint32_t *value);
  50 };
  51
  52 struct interface_delay_t {
  53         RESULT(*delayms)(uint16_t ms);
  54         RESULT(*delayus)(uint16_t us);
  55 };
  56
  57 struct interface_swd_t {
  58         RESULT(*init)(uint8_t interface_index);
  59         RESULT(*fini)(uint8_t interface_index);
  60         RESULT(*config)(uint8_t interface_index, uint8_t trn, uint16_t retry,
  61                 uint16_t dly);
  62         RESULT(*seqout)(uint8_t interface_index, const uint8_t *data,
  63                         uint16_t bitlen);
  64         RESULT(*seqin)(uint8_t interface_index, uint8_t *data, uint16_t bitlen);
  65         RESULT(*transact)(uint8_t interface_index, uint8_t request,
  66                 uint32_t *data, uint8_t *ack);
  67 };
  68
  69 struct interface_jtag_raw_t {
  70         RESULT(*init)(uint8_t interface_index);
  71         RESULT(*fini)(uint8_t interface_index);
  72         RESULT(*config)(uint8_t interface_index, uint32_t kHz);
  73         RESULT(*execute)(uint8_t interface_index, uint8_t *tdi, uint8_t *tms,
  74                 uint8_t *tdo, uint32_t bitlen);
  75 };
  76
  77 struct interface_target_voltage_t {
  78         RESULT(*get)(uint16_t *voltage);
  79         RESULT(*set)(uint16_t voltage);
  80 };
  81
  82 struct versaloon_adaptors_t {
  83         struct interface_target_voltage_t target_voltage;
  84         struct interface_gpio_t gpio;
  85         struct interface_delay_t delay;
  86         struct interface_swd_t swd;
  87         struct interface_jtag_raw_t jtag_raw;
  88         RESULT(*peripheral_commit)(void);
  89 };
  90
  91 struct versaloon_usb_setting_t {
  92         uint16_t vid;
  93         uint16_t pid;
  94         uint8_t ep_out;
  95         uint8_t ep_in;
  96         uint8_t interface;
  97         char *serialstring;
  98
  99         uint16_t buf_size;
 100 };
 101
 102 struct versaloon_interface_t {
 103         RESULT(*init)(void);
 104         RESULT(*fini)(void);
 105         struct versaloon_adaptors_t adaptors;
 106         struct versaloon_usb_setting_t usb_setting;
 107 };
 108
 109 extern struct versaloon_interface_t versaloon_interface;
 110 extern libusb_device_handle *versaloon_usb_device_handle;
 111
 112 #endif /* __VERSALOON_H_INCLUDED__ */
 113