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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-17 09:25:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-17 09:25:04 +0000
commit9a2fbbd0e16f98edf2fcb7fff59fedbb96338aa4 (patch)
tree6fded03e579078dd23375575e45c9a8a487c22ea /carl9170fw/carlfw/usb/main.c
parentAdding debian version 20200122-4. (diff)
downloadfirmware-free-9a2fbbd0e16f98edf2fcb7fff59fedbb96338aa4.tar.xz
firmware-free-9a2fbbd0e16f98edf2fcb7fff59fedbb96338aa4.zip
Merging upstream version 20240610.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'carl9170fw/carlfw/usb/main.c')
-rw-r--r--carl9170fw/carlfw/usb/main.c432
1 files changed, 0 insertions, 432 deletions
diff --git a/carl9170fw/carlfw/usb/main.c b/carl9170fw/carlfw/usb/main.c
deleted file mode 100644
index 890970c..0000000
--- a/carl9170fw/carlfw/usb/main.c
+++ /dev/null
@@ -1,432 +0,0 @@
-/*
- * 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 "shared/phy.h"
-#include "hostif.h"
-#include "printf.h"
-#include "timer.h"
-#include "rom.h"
-#include "wl.h"
-#include "wol.h"
-
-#ifdef CONFIG_CARL9170FW_DEBUG_USB
-void usb_putc(const char c)
-{
- fw.usb.put_buffer[fw.usb.put_index++] = (uint8_t) c;
-
- if (fw.usb.put_index == CARL9170_MAX_CMD_PAYLOAD_LEN || c == '\0') {
- fw.usb.put_buffer[fw.usb.put_index] = 0;
-
- send_cmd_to_host(__roundup(fw.usb.put_index, 4),
- CARL9170_RSP_TEXT, fw.usb.put_index,
- fw.usb.put_buffer);
- fw.usb.put_index = 0;
- }
-}
-
-void usb_print_hex_dump(const void *buf, int len)
-{
- unsigned int offset = 0, block = 0;
- while (len > 0) {
- block = min(__roundup(len, 4), CARL9170_MAX_CMD_PAYLOAD_LEN);
-
- send_cmd_to_host(block, CARL9170_RSP_HEXDUMP, len,
- (const uint8_t *) buf + offset);
-
- offset += block;
- len -= block;
- }
-}
-#endif /* CONFIG_CARL9170FW_DEBUG_USB */
-
-/* grab a buffer from the interrupt in queue ring-buffer */
-static struct carl9170_rsp *get_int_buf(void)
-{
- struct carl9170_rsp *tmp;
-
- /* fetch the _oldest_ buffer from the ring */
- tmp = &fw.usb.int_buf[fw.usb.int_tail_index];
-
- /* assign a unique sequence for every response/trap */
- tmp->hdr.seq = fw.usb.int_tail_index;
-
- fw.usb.int_tail_index++;
-
- fw.usb.int_tail_index %= CARL9170_INT_RQ_CACHES;
- if (fw.usb.int_pending != CARL9170_INT_RQ_CACHES)
- fw.usb.int_pending++;
-
- return tmp;
-}
-
-/* Pop up data from Interrupt IN Queue to USB Response buffer */
-static struct carl9170_rsp *dequeue_int_buf(unsigned int space)
-{
- struct carl9170_rsp *tmp = NULL;
-
- if (fw.usb.int_pending > 0) {
- tmp = &fw.usb.int_buf[fw.usb.int_head_index];
-
- if ((unsigned int)(tmp->hdr.len + 8) > space)
- return NULL;
-
- fw.usb.int_head_index++;
- fw.usb.int_head_index %= CARL9170_INT_RQ_CACHES;
- fw.usb.int_pending--;
- }
-
- return tmp;
-}
-
-static void usb_data_in(void)
-{
-}
-
-static void usb_reg_out(void)
-{
- uint32_t *regaddr = (uint32_t *) &dma_mem.reserved.cmd;
- uint16_t usbfifolen, i;
-
- usb_reset_out();
-
- usbfifolen = getb(AR9170_USB_REG_EP4_BYTE_COUNT_LOW) |
- getb(AR9170_USB_REG_EP4_BYTE_COUNT_HIGH) << 8;
-
- if (usbfifolen & 0x3)
- usbfifolen = (usbfifolen >> 2) + 1;
- else
- usbfifolen = usbfifolen >> 2;
-
- for (i = 0; i < usbfifolen; i++)
- *regaddr++ = get(AR9170_USB_REG_EP4_DATA);
-
- handle_cmd(get_int_buf());
-
- usb_trigger_in();
-}
-
-static void usb_status_in(void)
-{
- struct carl9170_rsp *rsp;
- unsigned int rem, tlen, elen;
-
- if (!fw.usb.int_desc_available)
- return ;
-
- fw.usb.int_desc_available = 0;
-
- rem = AR9170_BLOCK_SIZE - AR9170_INT_MAGIC_HEADER_SIZE;
- tlen = AR9170_INT_MAGIC_HEADER_SIZE;
-
- usb_reset_in();
-
- while (fw.usb.int_pending) {
- rsp = dequeue_int_buf(rem);
- if (!rsp)
- break;
-
- elen = rsp->hdr.len + 4;
-
- memcpy(DESC_PAYLOAD_OFF(fw.usb.int_desc, tlen), rsp, elen);
-
- rem -= elen;
- tlen += elen;
- }
-
- if (tlen == AR9170_INT_MAGIC_HEADER_SIZE) {
- DBG("attempted to send an empty int response!\n");
- goto reclaim;
- }
-
- fw.usb.int_desc->ctrl = AR9170_CTRL_FS_BIT | AR9170_CTRL_LS_BIT;
- fw.usb.int_desc->totalLen = tlen;
- fw.usb.int_desc->dataSize = tlen;
-
- /* Put to UpQ */
- dma_put(&fw.pta.up_queue, fw.usb.int_desc);
-
- /* Trigger PTA UP DMA */
- set(AR9170_PTA_REG_UP_DMA_TRIGGER, 1);
- usb_trigger_out();
-
- return ;
-
-reclaim:
- /* TODO: not sure what to do here */
- fw.usb.int_desc_available = 1;
-}
-
-void send_cmd_to_host(const uint8_t len, const uint8_t type,
- const uint8_t ext, const uint8_t *body)
-{
- struct carl9170_cmd *resp;
-
-#ifdef CONFIG_CARL9170FW_DEBUG
- if (unlikely(len > sizeof(resp->data))) {
- DBG("CMD too long:%x %d\n", type, len);
- return ;
- }
-
- /* Element length must be a multiple of 4. */
- if (unlikely(len & 0x3)) {
- DBG("CMD length not mult. of 4:%x %d\n", type, len);
- return ;
- }
-#endif /* CONFIG_CARL9170FW_DEBUG */
-
- resp = (struct carl9170_cmd *) get_int_buf();
- if (unlikely(resp == NULL)) {
- /* not very helpful for NON UART users */
- DBG("out of msg buffers\n");
- return ;
- }
-
- resp->hdr.len = len;
- resp->hdr.cmd = type;
- resp->hdr.ext = ext;
-
- memcpy(resp->data, body, len);
- usb_trigger_in();
-}
-
-/* Turn off ADDA/RF power, PLL */
-static void turn_power_off(void)
-{
- set(AR9170_PHY_REG_ACTIVE, AR9170_PHY_ACTIVE_DIS);
- set(AR9170_PHY_REG_ADC_CTL, 0xa0000000 |
- AR9170_PHY_ADC_CTL_OFF_PWDADC | AR9170_PHY_ADC_CTL_OFF_PWDDAC);
-
- /* This will also turn-off the LEDs */
- set(AR9170_GPIO_REG_PORT_DATA, 0);
- set(AR9170_GPIO_REG_PORT_TYPE, 0xf);
-
- set(AR9170_PWR_REG_BASE, 0x40021);
-
- set(AR9170_MAC_REG_DMA_TRIGGER, 0);
-
- andl(AR9170_USB_REG_DMA_CTL, ~(AR9170_USB_DMA_CTL_ENABLE_TO_DEVICE |
- AR9170_USB_DMA_CTL_ENABLE_FROM_DEVICE |
- AR9170_USB_DMA_CTL_UP_PACKET_MODE |
- AR9170_USB_DMA_CTL_DOWN_STREAM));
-
- /* Do a software reset to PTA component */
- orl(AR9170_PTA_REG_DMA_MODE_CTRL, AR9170_PTA_DMA_MODE_CTRL_RESET);
- andl(AR9170_PTA_REG_DMA_MODE_CTRL, ~AR9170_PTA_DMA_MODE_CTRL_RESET);
-
- orl(AR9170_PTA_REG_DMA_MODE_CTRL, AR9170_PTA_DMA_MODE_CTRL_DISABLE_USB);
-
- set(AR9170_MAC_REG_POWER_STATE_CTRL,
- AR9170_MAC_POWER_STATE_CTRL_RESET);
-
- /* Reset USB FIFO */
- set(AR9170_PWR_REG_RESET, AR9170_PWR_RESET_COMMIT_RESET_MASK |
- AR9170_PWR_RESET_DMA_MASK |
- AR9170_PWR_RESET_WLAN_MASK);
- set(AR9170_PWR_REG_RESET, 0x0);
-
- clock_set(AHB_20_22MHZ, false);
-
- set(AR9170_PWR_REG_PLL_ADDAC, 0x5163); /* 0x502b; */
- set(AR9170_PHY_REG_ADC_SERIAL_CTL, AR9170_PHY_ADC_SCTL_SEL_EXTERNAL_RADIO);
- set(0x1c589c, 0); /* 7-0 */
- set(0x1c589c, 0); /* 15-8 */
- set(0x1c589c, 0); /* 23-16 */
- set(0x1c589c, 0); /* 31- */
- set(0x1c589c, 0); /* 39- */
- set(0x1c589c, 0); /* 47- */
- set(0x1c589c, 0); /* 55- */
- set(0x1c589c, 0xf8); /* 63- */
- set(0x1c589c, 0x27); /* 0x24; 71- modified */
- set(0x1c589c, 0xf9); /* 79- */
- set(0x1c589c, 0x90); /* 87- */
- set(0x1c589c, 0x04); /* 95- */
- set(0x1c589c, 0x48); /* 103- */
- set(0x1c589c, 0x19); /* 0; 111- modified */
- set(0x1c589c, 0); /* 119- */
- set(0x1c589c, 0); /* 127- */
- set(0x1c589c, 0); /* 135- */
- set(0x1c589c, 0); /* 143- */
- set(0x1c589c, 0); /* 151- */
- set(0x1c589c, 0x70); /* 159- */
- set(0x1c589c, 0x0c); /* 167- */
- set(0x1c589c, 0); /* 175- */
- set(0x1c589c, 0); /* 183-176 */
- set(0x1c589c, 0); /* 191-184 */
- set(0x1c589c, 0); /* 199- */
- set(0x1c589c, 0); /* 207- */
- set(0x1c589c, 0); /* 215- */
- set(0x1c589c, 0); /* 223- */
- set(0x1c589c, 0); /* 231- */
- set(0x1c58c4, 0); /* 233- 232 */
- set(AR9170_PHY_REG_ADC_SERIAL_CTL, AR9170_PHY_ADC_SCTL_SEL_INTERNAL_ADDAC);
-}
-
-static void disable_watchdog(void)
-{
- if (!fw.watchdog_enable)
- return;
-
- /* write watchdog magic pattern for suspend */
- andl(AR9170_PWR_REG_WATCH_DOG_MAGIC, 0xffff);
- orl(AR9170_PWR_REG_WATCH_DOG_MAGIC, 0x98760000);
-
- /* Disable watchdog */
- set(AR9170_TIMER_REG_WATCH_DOG, 0xffff);
-}
-
-void __noreturn reboot(void)
-{
- disable_watchdog();
-
- /* Turn off power */
- turn_power_off();
-
- /* clean bootloader workspace */
- memset(&dma_mem, 0, sizeof(dma_mem));
-
- /* add by ygwei for work around USB PHY chirp sequence problem */
- set(0x10f100, 0x12345678);
-
- /* Jump to boot code */
- jump_to_bootcode();
-}
-
-/* service USB events and re-enable USB interrupt */
-static void usb_handler(uint8_t usb_interrupt_level1)
-{
- uint8_t usb_interrupt_level2;
-
- if (usb_interrupt_level1 & BIT(5))
- usb_data_in();
-
- if (usb_interrupt_level1 & BIT(4))
- usb_reg_out();
-
- if (usb_interrupt_level1 & BIT(6))
- usb_status_in();
-
- if (usb_interrupt_level1 & BIT(0)) {
- usb_interrupt_level2 = getb(AR9170_USB_REG_INTR_SOURCE_0);
-
- if (usb_interrupt_level2 & AR9170_USB_INTR_SRC0_SETUP)
- usb_ep0setup();
-
- if (usb_interrupt_level2 & AR9170_USB_INTR_SRC0_IN)
- usb_ep0tx();
-
- if (usb_interrupt_level2 & AR9170_USB_INTR_SRC0_OUT)
- usb_ep0rx();
-
- if (usb_interrupt_level2 & AR9170_USB_INTR_SRC0_ABORT) {
- /* Clear the command abort interrupt */
- andb(AR9170_USB_REG_INTR_SOURCE_0, (uint8_t)
- ~AR9170_USB_INTR_SRC0_ABORT);
- }
-
- if (usb_interrupt_level2 & AR9170_USB_INTR_SRC0_FAIL ||
- fw.usb.ep0_action & CARL9170_EP0_STALL) {
- /*
- * transmission failure.
- * stall ep 0
- */
- setb(AR9170_USB_REG_CX_CONFIG_STATUS, BIT(2));
- fw.usb.ep0_action &= ~CARL9170_EP0_STALL;
- }
-
- if (usb_interrupt_level2 & AR9170_USB_INTR_SRC0_END ||
- fw.usb.ep0_action & CARL9170_EP0_TRIGGER) {
- /*
- * transmission done.
- * set DONE bit.
- */
- setb(AR9170_USB_REG_CX_CONFIG_STATUS, BIT(0));
- fw.usb.ep0_action &= ~CARL9170_EP0_TRIGGER;
- }
- }
-
- if (usb_interrupt_level1 & BIT(7)) {
- usb_interrupt_level2 = getb(AR9170_USB_REG_INTR_SOURCE_7);
-
- if (usb_interrupt_level2 & AR9170_USB_INTR_SRC7_RX0BYTE)
- usb_data_out0Byte();
-
- if (usb_interrupt_level2 & AR9170_USB_INTR_SRC7_TX0BYTE)
- usb_data_in0Byte();
-
- if (usb_interrupt_level2 & AR9170_USB_INTR_SRC7_USB_RESET) {
- usb_reset_ack();
- reboot();
- }
-
- if (usb_interrupt_level2 & AR9170_USB_INTR_SRC7_USB_SUSPEND) {
- usb_suspend_ack();
-
- fw.suspend_mode = CARL9170_HOST_SUSPENDED;
-
-#ifdef CONFIG_CARL9170FW_WOL
- if (!(fw.usb.device_feature & USB_DEVICE_REMOTE_WAKEUP) ||
- !fw.wol.cmd.flags) {
- disable_watchdog();
-
- /* GO_TO_SUSPEND stops the CPU clock too. */
- orb(AR9170_USB_REG_MAIN_CTRL, AR9170_USB_MAIN_CTRL_GO_TO_SUSPEND);
- } else {
- wol_prepare();
- }
-#else /* CONFIG_CARL9170FW_WOL */
- disable_watchdog();
-
- /* GO_TO_SUSPEND stops the CPU clock too. */
- orb(AR9170_USB_REG_MAIN_CTRL, AR9170_USB_MAIN_CTRL_GO_TO_SUSPEND);
-#endif /* CONFIG_CARL9170FW_WOL */
- }
-
- if (usb_interrupt_level2 & AR9170_USB_INTR_SRC7_USB_RESUME) {
- usb_resume_ack();
-
- fw.suspend_mode = CARL9170_HOST_AWAKE;
- set(AR9170_USB_REG_WAKE_UP, 0);
-
- reboot();
- }
- }
-}
-
-void handle_usb(void)
-{
- uint8_t usb_interrupt_level1;
-
- usb_interrupt_level1 = getb(AR9170_USB_REG_INTR_GROUP);
-
- if (usb_interrupt_level1)
- usb_handler(usb_interrupt_level1);
-
- if (fw.usb.int_pending > 0)
- usb_trigger_in();
-}
-
-void usb_timer(void)
-{
-}