carlfw/usb/fifo.c

   1 /*
   2  * carl9170 firmware - used by the ar9170 wireless device
   3  *
   4  * Copyright (c) 2000-2005  ZyDAS Technology Corporation
   5  * Copyright (c) 2007-2009 Atheros Communications, Inc.
   6  * Copyright    2009    Johannes Berg <johannes@sipsolutions.net>
   7  * Copyright 2009-2011  Christian Lamparter <chunkeey@googlemail.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  22  */
  23
  24 #include "carl9170.h"
  25 #include "printf.h"
  26 #include "rom.h"
  27 #include "usb_fifo.h"
  28
  29 /* TODO / TOTEST */
  30 #ifdef CONFIG_CARL9170FW_USB_MODESWITCH
  31 static void usb_ep_map(const uint8_t ep, const uint8_t map)
  32 {
  33         setb(AR9170_USB_REG_EP_MAP + (ep - 1), map);
  34 }
  35
  36 static void usb_fifo_map(const uint8_t fifo, const uint8_t map)
  37 {
  38         setb(AR9170_USB_REG_FIFO_MAP + (fifo - 1), map);
  39 }
  40
  41 static void usb_fifo_config(const uint8_t fifo, const uint8_t cfg)
  42 {
  43         setb(AR9170_USB_REG_FIFO_CONFIG + (fifo - 1), cfg);
  44 }
  45
  46 static void usb_ep_packet_size_hi(const uint8_t ep, const uint8_t dir,
  47                              const uint16_t size)
  48 {
  49         setb(AR9170_USB_REG_EP_IN_MAX_SIZE_HIGH + (((dir * 0x20) + ep) << 1),
  50              (size >> 8) & 0xf);
  51 }
  52
  53 static void usb_ep_packet_size_lo(const uint8_t ep, const uint8_t dir,
  54                             const uint16_t size)
  55 {
  56         setb(AR9170_USB_REG_EP_IN_MAX_SIZE_LOW + (((dir * 0x20) + ep) << 1),
  57              size & 0xff);
  58 }
  59
  60 static void usb_ep_in_highbandset(const uint8_t ep, const uint8_t dir,
  61                                 const uint16_t size)
  62 {
  63         andb(AR9170_USB_REG_EP_IN_MAX_SIZE_HIGH + (ep << 1), ~(BIT(6) | BIT(5)));
  64
  65         switch (dir) {
  66         case DIRECTION_IN:
  67                 setb(AR9170_USB_REG_EP_IN_MAX_SIZE_HIGH + (ep << 1),
  68                      ((size >> 11) + 1) << 5);
  69                 break;
  70         case DIRECTION_OUT:
  71         default:
  72                 break;
  73         }
  74 }
  75
  76 /*
  77  *      vUsbFIFO_EPxCfg_HS(void)
  78  *      Description:
  79  *          1. Configure the FIFO and EPx map
  80  *      input: none
  81  *      output: none
  82  */
  83
  84 void usb_init_highspeed_fifo_cfg(void)
  85 {
  86         int i;
  87
  88         /* EP 1 */
  89         usb_ep_map(1, HS_C1_I0_A0_EP1_MAP);
  90         usb_fifo_map(HS_C1_I0_A0_EP1_FIFO_START, HS_C1_I0_A0_EP1_FIFO_MAP);
  91         usb_fifo_config(HS_C1_I0_A0_EP1_FIFO_START, HS_C1_I0_A0_EP1_FIFO_CONFIG);
  92
  93         for (i = HS_C1_I0_A0_EP1_FIFO_START + 1;
  94              i < HS_C1_I0_A0_EP1_FIFO_START + HS_C1_I0_A0_EP1_FIFO_NO; i++) {
  95                 usb_fifo_config(i, (HS_C1_I0_A0_EP1_FIFO_CONFIG & (~BIT(7))));
  96         }
  97
  98         usb_ep_packet_size_hi(1, HS_C1_I0_A0_EP1_DIRECTION, (HS_C1_I0_A0_EP1_MAX_PACKET & 0x7ff));
  99         usb_ep_packet_size_lo(1, HS_C1_I0_A0_EP1_DIRECTION, (HS_C1_I0_A0_EP1_MAX_PACKET & 0x7ff));
 100         usb_ep_in_highbandset(1, HS_C1_I0_A0_EP1_DIRECTION, HS_C1_I0_A0_EP1_MAX_PACKET);
 101
 102         /* EP 2 */
 103         usb_ep_map(2, HS_C1_I0_A0_EP2_MAP);
 104         usb_fifo_map(HS_C1_I0_A0_EP2_FIFO_START, HS_C1_I0_A0_EP2_FIFO_MAP);
 105         usb_fifo_config(HS_C1_I0_A0_EP2_FIFO_START, HS_C1_I0_A0_EP2_FIFO_CONFIG);
 106
 107         for (i = HS_C1_I0_A0_EP2_FIFO_START + 1;
 108              i < HS_C1_I0_A0_EP2_FIFO_START + HS_C1_I0_A0_EP2_FIFO_NO; i++) {
 109                 usb_fifo_config(i, (HS_C1_I0_A0_EP2_FIFO_CONFIG & (~BIT(7))));
 110         }
 111
 112         usb_ep_packet_size_hi(2, HS_C1_I0_A0_EP2_DIRECTION, (HS_C1_I0_A0_EP2_MAX_PACKET & 0x7ff));
 113         usb_ep_packet_size_lo(2, HS_C1_I0_A0_EP2_DIRECTION, (HS_C1_I0_A0_EP2_MAX_PACKET & 0x7ff));
 114         usb_ep_in_highbandset(2, HS_C1_I0_A0_EP2_DIRECTION, HS_C1_I0_A0_EP2_MAX_PACKET);
 115
 116         /* EP 3 */
 117         usb_ep_map(3, HS_C1_I0_A0_EP3_MAP);
 118         usb_fifo_map(HS_C1_I0_A0_EP3_FIFO_START, HS_C1_I0_A0_EP3_FIFO_MAP);
 119         usb_fifo_config(HS_C1_I0_A0_EP3_FIFO_START, HS_C1_I0_A0_EP3_FIFO_CONFIG);
 120
 121         for (i = HS_C1_I0_A0_EP3_FIFO_START + 1;
 122              i < HS_C1_I0_A0_EP3_FIFO_START + HS_C1_I0_A0_EP3_FIFO_NO; i++) {
 123                 usb_fifo_config(i, (HS_C1_I0_A0_EP3_FIFO_CONFIG & (~BIT(7))));
 124         }
 125
 126         usb_ep_packet_size_hi(3, HS_C1_I0_A0_EP3_DIRECTION, (HS_C1_I0_A0_EP3_MAX_PACKET & 0x7ff));
 127         usb_ep_packet_size_lo(3, HS_C1_I0_A0_EP3_DIRECTION, (HS_C1_I0_A0_EP3_MAX_PACKET & 0x7ff));
 128         usb_ep_in_highbandset(3, HS_C1_I0_A0_EP3_DIRECTION, HS_C1_I0_A0_EP3_MAX_PACKET);
 129
 130         /* EP 4 */
 131         usb_ep_map(4, HS_C1_I0_A0_EP4_MAP);
 132         usb_fifo_map(HS_C1_I0_A0_EP4_FIFO_START, HS_C1_I0_A0_EP4_FIFO_MAP);
 133         usb_fifo_config(HS_C1_I0_A0_EP4_FIFO_START, HS_C1_I0_A0_EP4_FIFO_CONFIG);
 134
 135         for (i = HS_C1_I0_A0_EP4_FIFO_START + 1;
 136              i < HS_C1_I0_A0_EP4_FIFO_START + HS_C1_I0_A0_EP4_FIFO_NO; i++) {
 137                 usb_fifo_config(i, (HS_C1_I0_A0_EP4_FIFO_CONFIG & (~BIT(7))));
 138         }
 139
 140         usb_ep_packet_size_hi(4, HS_C1_I0_A0_EP4_DIRECTION, (HS_C1_I0_A0_EP4_MAX_PACKET & 0x7ff));
 141         usb_ep_packet_size_lo(4, HS_C1_I0_A0_EP4_DIRECTION, (HS_C1_I0_A0_EP4_MAX_PACKET & 0x7ff));
 142         usb_ep_in_highbandset(4, HS_C1_I0_A0_EP4_DIRECTION, HS_C1_I0_A0_EP4_MAX_PACKET);
 143 }
 144
 145 void usb_init_fullspeed_fifo_cfg(void)
 146 {
 147         int i;
 148
 149         /* EP 1 */
 150         usb_ep_map(1, FS_C1_I0_A0_EP1_MAP);
 151         usb_fifo_map(FS_C1_I0_A0_EP1_FIFO_START, FS_C1_I0_A0_EP1_FIFO_MAP);
 152         usb_fifo_config(FS_C1_I0_A0_EP1_FIFO_START, FS_C1_I0_A0_EP1_FIFO_CONFIG);
 153
 154         for (i = FS_C1_I0_A0_EP1_FIFO_START + 1;
 155              i < FS_C1_I0_A0_EP1_FIFO_START + FS_C1_I0_A0_EP1_FIFO_NO; i++) {
 156                 usb_fifo_config(i, (FS_C1_I0_A0_EP1_FIFO_CONFIG & (~BIT(7))));
 157         }
 158
 159         usb_ep_packet_size_hi(1, FS_C1_I0_A0_EP1_DIRECTION, (FS_C1_I0_A0_EP1_MAX_PACKET & 0x7ff));
 160         usb_ep_packet_size_lo(1, FS_C1_I0_A0_EP1_DIRECTION, (FS_C1_I0_A0_EP1_MAX_PACKET & 0x7ff));
 161         /* ``.JWEI 2003/04/29 */
 162         usb_ep_in_highbandset(1, FS_C1_I0_A0_EP1_DIRECTION, FS_C1_I0_A0_EP1_MAX_PACKET);
 163
 164         /* EP 2 */
 165         usb_ep_map(2, FS_C1_I0_A0_EP2_MAP);
 166         usb_fifo_map(FS_C1_I0_A0_EP2_FIFO_START, FS_C1_I0_A0_EP2_FIFO_MAP);
 167         usb_fifo_config(FS_C1_I0_A0_EP2_FIFO_START, FS_C1_I0_A0_EP2_FIFO_CONFIG);
 168
 169         for (i = FS_C1_I0_A0_EP2_FIFO_START + 1;
 170              i < FS_C1_I0_A0_EP2_FIFO_START + FS_C1_I0_A0_EP2_FIFO_NO; i++) {
 171                 usb_fifo_config(i, (FS_C1_I0_A0_EP2_FIFO_CONFIG & (~BIT(7))));
 172         }
 173
 174         usb_ep_packet_size_hi(2, FS_C1_I0_A0_EP2_DIRECTION, (FS_C1_I0_A0_EP2_MAX_PACKET & 0x7ff));
 175         usb_ep_packet_size_lo(2, FS_C1_I0_A0_EP2_DIRECTION, (FS_C1_I0_A0_EP2_MAX_PACKET & 0x7ff));
 176         usb_ep_in_highbandset(2, FS_C1_I0_A0_EP2_DIRECTION, FS_C1_I0_A0_EP2_MAX_PACKET);
 177
 178         /* EP 3 */
 179         usb_ep_map(3, FS_C1_I0_A0_EP3_MAP);
 180         usb_fifo_map(FS_C1_I0_A0_EP3_FIFO_START, FS_C1_I0_A0_EP3_FIFO_MAP);
 181         usb_fifo_config(FS_C1_I0_A0_EP3_FIFO_START, FS_C1_I0_A0_EP3_FIFO_CONFIG);
 182
 183         for (i = FS_C1_I0_A0_EP3_FIFO_START + 1;
 184              i < FS_C1_I0_A0_EP3_FIFO_START + FS_C1_I0_A0_EP3_FIFO_NO; i++) {
 185                 usb_fifo_config(i, (FS_C1_I0_A0_EP3_FIFO_CONFIG & (~BIT(7))));
 186         }
 187
 188         usb_ep_packet_size_hi(3, FS_C1_I0_A0_EP3_DIRECTION, (FS_C1_I0_A0_EP3_MAX_PACKET & 0x7ff));
 189         usb_ep_packet_size_lo(3, FS_C1_I0_A0_EP3_DIRECTION, (FS_C1_I0_A0_EP3_MAX_PACKET & 0x7ff));
 190         usb_ep_in_highbandset(3, FS_C1_I0_A0_EP3_DIRECTION, FS_C1_I0_A0_EP3_MAX_PACKET);
 191
 192         /* EP 4 */
 193         usb_ep_map(4, FS_C1_I0_A0_EP4_MAP);
 194         usb_fifo_map(FS_C1_I0_A0_EP4_FIFO_START, FS_C1_I0_A0_EP4_FIFO_MAP);
 195         usb_fifo_config(FS_C1_I0_A0_EP4_FIFO_START, FS_C1_I0_A0_EP4_FIFO_CONFIG);
 196
 197         for (i = FS_C1_I0_A0_EP4_FIFO_START + 1;
 198              i < FS_C1_I0_A0_EP4_FIFO_START + FS_C1_I0_A0_EP4_FIFO_NO; i++) {
 199                 usb_fifo_config(i, (FS_C1_I0_A0_EP4_FIFO_CONFIG & (~BIT(7))));
 200         }
 201
 202         usb_ep_packet_size_hi(4, FS_C1_I0_A0_EP4_DIRECTION, (FS_C1_I0_A0_EP4_MAX_PACKET & 0x7ff));
 203         usb_ep_packet_size_lo(4, FS_C1_I0_A0_EP4_DIRECTION, (FS_C1_I0_A0_EP4_MAX_PACKET & 0x7ff));
 204         usb_ep_in_highbandset(4, FS_C1_I0_A0_EP4_DIRECTION, FS_C1_I0_A0_EP4_MAX_PACKET);
 205 }
 206 #endif /* CONFIG_CARL9170FW_USB_MODESWITCH */