/lib/firmware/carl9170fw/carlfw/usb/fifo.c is in linux-firmware 1.173.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* carl9170 firmware - used by the ar9170 wireless device
*
* Copyright (c) 2000-2005 ZyDAS Technology Corporation
* Copyright (c) 2007-2009 Atheros Communications, Inc.
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "carl9170.h"
#include "printf.h"
#include "rom.h"
#include "usb_fifo.h"
/* TODO / TOTEST */
#ifdef CONFIG_CARL9170FW_USB_MODESWITCH
static inline void usb_ep_map(const uint8_t ep, const uint8_t map)
{
setb(AR9170_USB_REG_EP_MAP + (ep - 1), map);
}
static inline void usb_fifo_map(const uint8_t fifo, const uint8_t map)
{
setb(AR9170_USB_REG_FIFO_MAP + (fifo - 1), map);
}
static inline void usb_fifo_config(const uint8_t fifo, const uint8_t cfg)
{
setb(AR9170_USB_REG_FIFO_CONFIG + (fifo - 1), cfg);
}
static inline void usb_ep_packet_size_hi(const uint8_t ep, const uint8_t dir,
const uint16_t size)
{
setb(AR9170_USB_REG_EP_IN_MAX_SIZE_HIGH + (((dir * 0x20) + ep) << 1),
(size >> 8) & 0xf);
}
static inline void usb_ep_packet_size_lo(const uint8_t ep, const uint8_t dir,
const uint16_t size)
{
setb(AR9170_USB_REG_EP_IN_MAX_SIZE_LOW + (((dir * 0x20) + ep) << 1),
size & 0xff);
}
static void usb_ep_in_highbandset(const uint8_t ep, const uint8_t dir,
const uint16_t size)
{
andb(AR9170_USB_REG_EP_IN_MAX_SIZE_HIGH + (ep << 1), ~(BIT(6) | BIT(5)));
switch (dir) {
case DIRECTION_IN:
setb(AR9170_USB_REG_EP_IN_MAX_SIZE_HIGH + (ep << 1),
((size >> 11) + 1) << 5);
break;
case DIRECTION_OUT:
default:
break;
}
}
/*
* vUsbFIFO_EPxCfg_HS(void)
* Description:
* 1. Configure the FIFO and EPx map
* input: none
* output: none
*/
void usb_init_highspeed_fifo_cfg(void)
{
int i;
/* EP 1 */
usb_ep_map(1, HS_C1_I0_A0_EP1_MAP);
usb_fifo_map(HS_C1_I0_A0_EP1_FIFO_START, HS_C1_I0_A0_EP1_FIFO_MAP);
usb_fifo_config(HS_C1_I0_A0_EP1_FIFO_START, HS_C1_I0_A0_EP1_FIFO_CONFIG);
for (i = HS_C1_I0_A0_EP1_FIFO_START + 1;
i < HS_C1_I0_A0_EP1_FIFO_START + HS_C1_I0_A0_EP1_FIFO_NO; i++) {
usb_fifo_config(i, (HS_C1_I0_A0_EP1_FIFO_CONFIG & (~BIT(7))));
}
usb_ep_packet_size_hi(1, HS_C1_I0_A0_EP1_DIRECTION, (HS_C1_I0_A0_EP1_MAX_PACKET & 0x7ff));
usb_ep_packet_size_lo(1, HS_C1_I0_A0_EP1_DIRECTION, (HS_C1_I0_A0_EP1_MAX_PACKET & 0x7ff));
usb_ep_in_highbandset(1, HS_C1_I0_A0_EP1_DIRECTION, HS_C1_I0_A0_EP1_MAX_PACKET);
/* EP 2 */
usb_ep_map(2, HS_C1_I0_A0_EP2_MAP);
usb_fifo_map(HS_C1_I0_A0_EP2_FIFO_START, HS_C1_I0_A0_EP2_FIFO_MAP);
usb_fifo_config(HS_C1_I0_A0_EP2_FIFO_START, HS_C1_I0_A0_EP2_FIFO_CONFIG);
for (i = HS_C1_I0_A0_EP2_FIFO_START + 1;
i < HS_C1_I0_A0_EP2_FIFO_START + HS_C1_I0_A0_EP2_FIFO_NO; i++) {
usb_fifo_config(i, (HS_C1_I0_A0_EP2_FIFO_CONFIG & (~BIT(7))));
}
usb_ep_packet_size_hi(2, HS_C1_I0_A0_EP2_DIRECTION, (HS_C1_I0_A0_EP2_MAX_PACKET & 0x7ff));
usb_ep_packet_size_lo(2, HS_C1_I0_A0_EP2_DIRECTION, (HS_C1_I0_A0_EP2_MAX_PACKET & 0x7ff));
usb_ep_in_highbandset(2, HS_C1_I0_A0_EP2_DIRECTION, HS_C1_I0_A0_EP2_MAX_PACKET);
/* EP 3 */
usb_ep_map(3, HS_C1_I0_A0_EP3_MAP);
usb_fifo_map(HS_C1_I0_A0_EP3_FIFO_START, HS_C1_I0_A0_EP3_FIFO_MAP);
usb_fifo_config(HS_C1_I0_A0_EP3_FIFO_START, HS_C1_I0_A0_EP3_FIFO_CONFIG);
for (i = HS_C1_I0_A0_EP3_FIFO_START + 1;
i < HS_C1_I0_A0_EP3_FIFO_START + HS_C1_I0_A0_EP3_FIFO_NO; i++) {
usb_fifo_config(i, (HS_C1_I0_A0_EP3_FIFO_CONFIG & (~BIT(7))));
}
usb_ep_packet_size_hi(3, HS_C1_I0_A0_EP3_DIRECTION, (HS_C1_I0_A0_EP3_MAX_PACKET & 0x7ff));
usb_ep_packet_size_lo(3, HS_C1_I0_A0_EP3_DIRECTION, (HS_C1_I0_A0_EP3_MAX_PACKET & 0x7ff));
usb_ep_in_highbandset(3, HS_C1_I0_A0_EP3_DIRECTION, HS_C1_I0_A0_EP3_MAX_PACKET);
/* EP 4 */
usb_ep_map(4, HS_C1_I0_A0_EP4_MAP);
usb_fifo_map(HS_C1_I0_A0_EP4_FIFO_START, HS_C1_I0_A0_EP4_FIFO_MAP);
usb_fifo_config(HS_C1_I0_A0_EP4_FIFO_START, HS_C1_I0_A0_EP4_FIFO_CONFIG);
for (i = HS_C1_I0_A0_EP4_FIFO_START + 1;
i < HS_C1_I0_A0_EP4_FIFO_START + HS_C1_I0_A0_EP4_FIFO_NO; i++) {
usb_fifo_config(i, (HS_C1_I0_A0_EP4_FIFO_CONFIG & (~BIT(7))));
}
usb_ep_packet_size_hi(4, HS_C1_I0_A0_EP4_DIRECTION, (HS_C1_I0_A0_EP4_MAX_PACKET & 0x7ff));
usb_ep_packet_size_lo(4, HS_C1_I0_A0_EP4_DIRECTION, (HS_C1_I0_A0_EP4_MAX_PACKET & 0x7ff));
usb_ep_in_highbandset(4, HS_C1_I0_A0_EP4_DIRECTION, HS_C1_I0_A0_EP4_MAX_PACKET);
}
void usb_init_fullspeed_fifo_cfg(void)
{
int i;
/* EP 1 */
usb_ep_map(1, FS_C1_I0_A0_EP1_MAP);
usb_fifo_map(FS_C1_I0_A0_EP1_FIFO_START, FS_C1_I0_A0_EP1_FIFO_MAP);
usb_fifo_config(FS_C1_I0_A0_EP1_FIFO_START, FS_C1_I0_A0_EP1_FIFO_CONFIG);
for (i = FS_C1_I0_A0_EP1_FIFO_START + 1;
i < FS_C1_I0_A0_EP1_FIFO_START + FS_C1_I0_A0_EP1_FIFO_NO; i++) {
usb_fifo_config(i, (FS_C1_I0_A0_EP1_FIFO_CONFIG & (~BIT(7))));
}
usb_ep_packet_size_hi(1, FS_C1_I0_A0_EP1_DIRECTION, (FS_C1_I0_A0_EP1_MAX_PACKET & 0x7ff));
usb_ep_packet_size_lo(1, FS_C1_I0_A0_EP1_DIRECTION, (FS_C1_I0_A0_EP1_MAX_PACKET & 0x7ff));
/* ``.JWEI 2003/04/29 */
usb_ep_in_highbandset(1, FS_C1_I0_A0_EP1_DIRECTION, FS_C1_I0_A0_EP1_MAX_PACKET);
/* EP 2 */
usb_ep_map(2, FS_C1_I0_A0_EP2_MAP);
usb_fifo_map(FS_C1_I0_A0_EP2_FIFO_START, FS_C1_I0_A0_EP2_FIFO_MAP);
usb_fifo_config(FS_C1_I0_A0_EP2_FIFO_START, FS_C1_I0_A0_EP2_FIFO_CONFIG);
for (i = FS_C1_I0_A0_EP2_FIFO_START + 1;
i < FS_C1_I0_A0_EP2_FIFO_START + FS_C1_I0_A0_EP2_FIFO_NO; i++) {
usb_fifo_config(i, (FS_C1_I0_A0_EP2_FIFO_CONFIG & (~BIT(7))));
}
usb_ep_packet_size_hi(2, FS_C1_I0_A0_EP2_DIRECTION, (FS_C1_I0_A0_EP2_MAX_PACKET & 0x7ff));
usb_ep_packet_size_lo(2, FS_C1_I0_A0_EP2_DIRECTION, (FS_C1_I0_A0_EP2_MAX_PACKET & 0x7ff));
usb_ep_in_highbandset(2, FS_C1_I0_A0_EP2_DIRECTION, FS_C1_I0_A0_EP2_MAX_PACKET);
/* EP 3 */
usb_ep_map(3, FS_C1_I0_A0_EP3_MAP);
usb_fifo_map(FS_C1_I0_A0_EP3_FIFO_START, FS_C1_I0_A0_EP3_FIFO_MAP);
usb_fifo_config(FS_C1_I0_A0_EP3_FIFO_START, FS_C1_I0_A0_EP3_FIFO_CONFIG);
for (i = FS_C1_I0_A0_EP3_FIFO_START + 1;
i < FS_C1_I0_A0_EP3_FIFO_START + FS_C1_I0_A0_EP3_FIFO_NO; i++) {
usb_fifo_config(i, (FS_C1_I0_A0_EP3_FIFO_CONFIG & (~BIT(7))));
}
usb_ep_packet_size_hi(3, FS_C1_I0_A0_EP3_DIRECTION, (FS_C1_I0_A0_EP3_MAX_PACKET & 0x7ff));
usb_ep_packet_size_lo(3, FS_C1_I0_A0_EP3_DIRECTION, (FS_C1_I0_A0_EP3_MAX_PACKET & 0x7ff));
usb_ep_in_highbandset(3, FS_C1_I0_A0_EP3_DIRECTION, FS_C1_I0_A0_EP3_MAX_PACKET);
/* EP 4 */
usb_ep_map(4, FS_C1_I0_A0_EP4_MAP);
usb_fifo_map(FS_C1_I0_A0_EP4_FIFO_START, FS_C1_I0_A0_EP4_FIFO_MAP);
usb_fifo_config(FS_C1_I0_A0_EP4_FIFO_START, FS_C1_I0_A0_EP4_FIFO_CONFIG);
for (i = FS_C1_I0_A0_EP4_FIFO_START + 1;
i < FS_C1_I0_A0_EP4_FIFO_START + FS_C1_I0_A0_EP4_FIFO_NO; i++) {
usb_fifo_config(i, (FS_C1_I0_A0_EP4_FIFO_CONFIG & (~BIT(7))));
}
usb_ep_packet_size_hi(4, FS_C1_I0_A0_EP4_DIRECTION, (FS_C1_I0_A0_EP4_MAX_PACKET & 0x7ff));
usb_ep_packet_size_lo(4, FS_C1_I0_A0_EP4_DIRECTION, (FS_C1_I0_A0_EP4_MAX_PACKET & 0x7ff));
usb_ep_in_highbandset(4, FS_C1_I0_A0_EP4_DIRECTION, FS_C1_I0_A0_EP4_MAX_PACKET);
}
#endif /* CONFIG_CARL9170FW_USB_MODESWITCH */
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