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-rw-r--r--carl9170fw/carlfw/src/ashlsi3.S193
-rw-r--r--carl9170fw/carlfw/src/cam.c161
-rw-r--r--carl9170fw/carlfw/src/cmd.c154
-rw-r--r--carl9170fw/carlfw/src/dma.c255
-rw-r--r--carl9170fw/carlfw/src/fw.c116
-rw-r--r--carl9170fw/carlfw/src/gpio.c52
-rw-r--r--carl9170fw/carlfw/src/hostif.c165
-rw-r--r--carl9170fw/carlfw/src/main.c256
-rw-r--r--carl9170fw/carlfw/src/memcpy.S228
-rw-r--r--carl9170fw/carlfw/src/memset.S58
-rw-r--r--carl9170fw/carlfw/src/printf.c161
-rw-r--r--carl9170fw/carlfw/src/reboot.S11
-rw-r--r--carl9170fw/carlfw/src/rf.c277
-rw-r--r--carl9170fw/carlfw/src/uart.c76
-rw-r--r--carl9170fw/carlfw/src/udivsi3_i4i-Os.S149
-rw-r--r--carl9170fw/carlfw/src/wlan.c1211
-rw-r--r--carl9170fw/carlfw/src/wol.c287
17 files changed, 0 insertions, 3810 deletions
diff --git a/carl9170fw/carlfw/src/ashlsi3.S b/carl9170fw/carlfw/src/ashlsi3.S
deleted file mode 100644
index 593d902..0000000
--- a/carl9170fw/carlfw/src/ashlsi3.S
+++ /dev/null
@@ -1,193 +0,0 @@
-/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2006
- Free Software Foundation, Inc.
-
-This file 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, or (at your option) any
-later version.
-
-In addition to the permissions in the GNU General Public License, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file into combinations with other programs,
-and to distribute those combinations without any restriction coming
-from the use of this file. (The General Public License restrictions
-do apply in other respects; for example, they cover modification of
-the file, and distribution when not linked into a combine
-executable.)
-
-This file 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; see the file COPYING. If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
-
-!! libgcc routines for the Renesas / SuperH SH CPUs.
-!! Contributed by Steve Chamberlain.
-!! sac@cygnus.com
-
-!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
-!! recoded in assembly by Toshiyasu Morita
-!! tm@netcom.com
-
-/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
- ELF local label prefixes by J"orn Rennecke
- amylaar@cygnus.com */
-
-!
-! __ashlsi3
-!
-! Entry:
-!
-! r4: Value to shift
-! r5: Shifts
-!
-! Exit:
-!
-! r0: Result
-!
-! Destroys:
-!
-! (none)
-!
- .global ___ashlsi3
-
- .align 2
-___ashlsi3:
- mov #31,r0
- and r0,r5
- mova ashlsi3_table,r0
- mov.b @(r0,r5),r5
-#ifdef __sh1__
- add r5,r0
- jmp @r0
-#else
- braf r5
-#endif
- mov r4,r0
-
- .align 2
-ashlsi3_table:
- .byte ashlsi3_0-ashlsi3_table
- .byte ashlsi3_1-ashlsi3_table
- .byte ashlsi3_2-ashlsi3_table
- .byte ashlsi3_3-ashlsi3_table
- .byte ashlsi3_4-ashlsi3_table
- .byte ashlsi3_5-ashlsi3_table
- .byte ashlsi3_6-ashlsi3_table
- .byte ashlsi3_7-ashlsi3_table
- .byte ashlsi3_8-ashlsi3_table
- .byte ashlsi3_9-ashlsi3_table
- .byte ashlsi3_10-ashlsi3_table
- .byte ashlsi3_11-ashlsi3_table
- .byte ashlsi3_12-ashlsi3_table
- .byte ashlsi3_13-ashlsi3_table
- .byte ashlsi3_14-ashlsi3_table
- .byte ashlsi3_15-ashlsi3_table
- .byte ashlsi3_16-ashlsi3_table
- .byte ashlsi3_17-ashlsi3_table
- .byte ashlsi3_18-ashlsi3_table
- .byte ashlsi3_19-ashlsi3_table
- .byte ashlsi3_20-ashlsi3_table
- .byte ashlsi3_21-ashlsi3_table
- .byte ashlsi3_22-ashlsi3_table
- .byte ashlsi3_23-ashlsi3_table
- .byte ashlsi3_24-ashlsi3_table
- .byte ashlsi3_25-ashlsi3_table
- .byte ashlsi3_26-ashlsi3_table
- .byte ashlsi3_27-ashlsi3_table
- .byte ashlsi3_28-ashlsi3_table
- .byte ashlsi3_29-ashlsi3_table
- .byte ashlsi3_30-ashlsi3_table
- .byte ashlsi3_31-ashlsi3_table
-
-ashlsi3_6:
- shll2 r0
-ashlsi3_4:
- shll2 r0
-ashlsi3_2:
- rts
- shll2 r0
-
-ashlsi3_7:
- shll2 r0
-ashlsi3_5:
- shll2 r0
-ashlsi3_3:
- shll2 r0
-ashlsi3_1:
- rts
- shll r0
-
-ashlsi3_14:
- shll2 r0
-ashlsi3_12:
- shll2 r0
-ashlsi3_10:
- shll2 r0
-ashlsi3_8:
- rts
- shll8 r0
-
-ashlsi3_15:
- shll2 r0
-ashlsi3_13:
- shll2 r0
-ashlsi3_11:
- shll2 r0
-ashlsi3_9:
- shll8 r0
- rts
- shll r0
-
-ashlsi3_22:
- shll2 r0
-ashlsi3_20:
- shll2 r0
-ashlsi3_18:
- shll2 r0
-ashlsi3_16:
- rts
- shll16 r0
-
-ashlsi3_23:
- shll2 r0
-ashlsi3_21:
- shll2 r0
-ashlsi3_19:
- shll2 r0
-ashlsi3_17:
- shll16 r0
- rts
- shll r0
-
-ashlsi3_30:
- shll2 r0
-ashlsi3_28:
- shll2 r0
-ashlsi3_26:
- shll2 r0
-ashlsi3_24:
- shll16 r0
- rts
- shll8 r0
-
-ashlsi3_31:
- shll2 r0
-ashlsi3_29:
- shll2 r0
-ashlsi3_27:
- shll2 r0
-ashlsi3_25:
- shll16 r0
- shll8 r0
- rts
- shll r0
-
-ashlsi3_0:
- rts
- nop
diff --git a/carl9170fw/carlfw/src/cam.c b/carl9170fw/carlfw/src/cam.c
deleted file mode 100644
index 7c0e61c..0000000
--- a/carl9170fw/carlfw/src/cam.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * carl9170 firmware - used by the ar9170 wireless device
- *
- * Security Engine
- *
- * 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 "cam.h"
-
-#ifdef CONFIG_CARL9170FW_SECURITY_ENGINE
-static void disable_cam_user(const uint16_t userId)
-{
- if (userId <= 31)
- andl(AR9170_MAC_REG_CAM_ROLL_CALL_TBL_L, (~((uint32_t) 1 << userId)));
- else if (userId <= 63)
- andl(AR9170_MAC_REG_CAM_ROLL_CALL_TBL_H, (~((uint32_t) 1 << (userId - 32))));
-}
-
-static void enable_cam_user(const uint16_t userId)
-{
- if (userId <= 31)
- orl(AR9170_MAC_REG_CAM_ROLL_CALL_TBL_L, (((uint32_t) 1) << userId));
- else if (userId <= 63)
- orl(AR9170_MAC_REG_CAM_ROLL_CALL_TBL_H, (((uint32_t) 1) << (userId - 32)));
-}
-
-static void wait_for_cam_read_ready(void)
-{
- while ((get(AR9170_MAC_REG_CAM_STATE) & AR9170_MAC_CAM_STATE_READ_PENDING) == 0) {
- /*
- * wait
- */
- }
-}
-
-static void wait_for_cam_write_ready(void)
-{
- while ((get(AR9170_MAC_REG_CAM_STATE) & AR9170_MAC_CAM_STATE_WRITE_PENDING) == 0) {
- /*
- * wait some more
- */
- }
-}
-
-static void HW_CAM_Avail(void)
-{
- uint32_t tmpValue;
-
- do {
- tmpValue = get(AR9170_MAC_REG_CAM_MODE);
- } while (tmpValue & AR9170_MAC_CAM_HOST_PENDING);
-}
-
-static void HW_CAM_Write128(const uint32_t address, const uint32_t *data)
-{
- HW_CAM_Avail();
-
- set(AR9170_MAC_REG_CAM_DATA0, data[0]);
- set(AR9170_MAC_REG_CAM_DATA1, data[1]);
- set(AR9170_MAC_REG_CAM_DATA2, data[2]);
- set(AR9170_MAC_REG_CAM_DATA3, data[3]);
-
- set(AR9170_MAC_REG_CAM_ADDR, address | AR9170_MAC_CAM_ADDR_WRITE);
-
- wait_for_cam_write_ready();
-}
-
-static void HW_CAM_Read128(const uint32_t address, uint32_t *data)
-{
-
- HW_CAM_Avail();
- set(AR9170_MAC_REG_CAM_ADDR, address);
-
- wait_for_cam_read_ready();
- HW_CAM_Avail();
- data[0] = get(AR9170_MAC_REG_CAM_DATA0);
- data[1] = get(AR9170_MAC_REG_CAM_DATA1);
- data[2] = get(AR9170_MAC_REG_CAM_DATA2);
- data[3] = get(AR9170_MAC_REG_CAM_DATA3);
-}
-
-void set_key(const struct carl9170_set_key_cmd *key)
-{
- uint32_t data[4];
- uint16_t row, wordId, nibbleId, i;
-
- if (key->user > (AR9170_CAM_MAX_USER + 3))
- return ;
-
- if (key->keyId > 1)
- return ;
-
- /* Disable Key */
- disable_cam_user(key->user);
-
- /* Set encrypt type */
- if (key->user >= AR9170_CAM_MAX_USER) {
- /* default */
- row = DEFAULT_ENCRY_TYPE;
- wordId = 0;
- nibbleId = (key->user - AR9170_CAM_MAX_USER) & 0x7;
- } else {
- row = ENCRY_TYPE_START_ADDR + (key->user >> 5);
- wordId = (key->user >> 3) & 0x3;
- nibbleId = key->user & 0x7;
- }
-
- HW_CAM_Read128(row, data);
- data[wordId] &= (~(0xf << ((uint32_t) nibbleId * 4)));
- data[wordId] |= (key->type << ((uint32_t) nibbleId * 4));
- HW_CAM_Write128(row, data);
-
- /* Set MAC address */
- if (key->user < AR9170_CAM_MAX_USER) {
- uint16_t byteId;
- wordId = (key->user >> 2) & 0x3;
- byteId = key->user & 0x3;
- row = (key->user >> 4) * 6;
-
- for (i = 0; i < 6; i++) {
- HW_CAM_Read128(row + i, data);
- data[wordId] &= (~(0xff << ((uint32_t) byteId * 8)));
- data[wordId] |= (key->macAddr[i] << ((uint32_t) byteId * 8));
- HW_CAM_Write128(row + i, data);
- }
- }
-
- /* Set key */
- row = KEY_START_ADDR + (key->user * 2) + key->keyId;
-
- HW_CAM_Write128(row, key->key);
-
- /* Enable Key */
- enable_cam_user(key->user);
-}
-
-void disable_key(const struct carl9170_disable_key_cmd *key)
-{
- disable_cam_user(key->user);
-}
-
-#endif /* CONFIG_CARL9170FW_SECURITY_ENGINE */
diff --git a/carl9170fw/carlfw/src/cmd.c b/carl9170fw/carlfw/src/cmd.c
deleted file mode 100644
index 5382083..0000000
--- a/carl9170fw/carlfw/src/cmd.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * carl9170 firmware - used by the ar9170 wireless device
- *
- * Code to handle commands from the host driver.
- *
- * 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 "io.h"
-#include "cam.h"
-#include "rf.h"
-#include "printf.h"
-#include "timer.h"
-#include "wl.h"
-#include "wol.h"
-
-void handle_cmd(struct carl9170_rsp *resp)
-{
- struct carl9170_cmd *cmd = &dma_mem.reserved.cmd.cmd;
- unsigned int i;
-
- /* copies cmd, len and extra fields */
- resp->hdr.len = cmd->hdr.len;
- resp->hdr.cmd = cmd->hdr.cmd;
- resp->hdr.ext = cmd->hdr.ext;
- resp->hdr.seq |= cmd->hdr.seq;
-
- switch (cmd->hdr.cmd & ~CARL9170_CMD_ASYNC_FLAG) {
- case CARL9170_CMD_RREG:
- for (i = 0; i < (cmd->hdr.len / 4); i++)
- resp->rreg_res.vals[i] = get(cmd->rreg.regs[i]);
- break;
-
- case CARL9170_CMD_WREG:
- resp->hdr.len = 0;
- for (i = 0; i < (cmd->hdr.len / 8); i++)
- set(cmd->wreg.regs[i].addr, cmd->wreg.regs[i].val);
- break;
-
- case CARL9170_CMD_ECHO:
- memcpy(resp->echo.vals, cmd->echo.vals, cmd->hdr.len);
- break;
-
- case CARL9170_CMD_SWRST:
-#ifdef CONFIG_CARL9170FW_FW_MAC_RESET
- /*
- * Command has no payload, so the response
- * has no payload either.
- * resp->hdr.len = 0;
- */
- fw.wlan.mac_reset = CARL9170_MAC_RESET_FORCE;
-#endif /* CONFIG_CARL9170FW_FW_MAC_RESET */
- break;
-
- case CARL9170_CMD_REBOOT:
- /*
- * resp->len = 0;
- */
- fw.reboot = 1;
- break;
-
- case CARL9170_CMD_READ_TSF:
- resp->hdr.len = 8;
- read_tsf((uint32_t *)resp->tsf.tsf);
- break;
-
- case CARL9170_CMD_RX_FILTER:
- resp->hdr.len = 0;
- fw.wlan.rx_filter = cmd->rx_filter.rx_filter;
- break;
-
- case CARL9170_CMD_WOL:
- wol_cmd(&cmd->wol);
- break;
-
- case CARL9170_CMD_TALLY:
- resp->hdr.len = sizeof(struct carl9170_tally_rsp);
- memcpy(&resp->tally, &fw.tally, sizeof(struct carl9170_tally_rsp));
- resp->tally.tick = fw.ticks_per_usec;
- memset(&fw.tally, 0, sizeof(struct carl9170_tally_rsp));
- break;
-
-#ifdef CONFIG_CARL9170FW_CAB_QUEUE
- case CARL9170_CMD_BCN_CTRL:
- resp->hdr.len = 0;
-
- if (cmd->bcn_ctrl.mode & CARL9170_BCN_CTRL_CAB_TRIGGER) {
- wlan_modify_beacon(cmd->bcn_ctrl.vif_id,
- cmd->bcn_ctrl.bcn_addr, cmd->bcn_ctrl.bcn_len);
- set(AR9170_MAC_REG_BCN_ADDR, cmd->bcn_ctrl.bcn_addr);
- set(AR9170_MAC_REG_BCN_LENGTH, cmd->bcn_ctrl.bcn_len);
- set(AR9170_MAC_REG_BCN_CTRL, AR9170_BCN_CTRL_READY);
- } else {
- wlan_cab_flush_queue(cmd->bcn_ctrl.vif_id);
- fw.wlan.cab_flush_trigger[cmd->bcn_ctrl.vif_id] = CARL9170_CAB_TRIGGER_EMPTY;
- }
- break;
-#endif /* CONFIG_CARL9170FW_CAB_QUEUE */
-
-#ifdef CONFIG_CARL9170FW_SECURITY_ENGINE
- case CARL9170_CMD_EKEY:
- resp->hdr.len = 0;
- set_key(&cmd->setkey);
- break;
-
- case CARL9170_CMD_DKEY:
- resp->hdr.len = 0;
- disable_key(&cmd->disablekey);
- break;
-#endif /* CONFIG_CARL9170FW_SECURITY_ENGINE */
-
-#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS
- case CARL9170_CMD_FREQUENCY:
- case CARL9170_CMD_RF_INIT:
- rf_cmd(cmd, resp);
- break;
-
- case CARL9170_CMD_FREQ_START:
- /*
- * resp->hdr.len = 0;
- */
- rf_notify_set_channel();
- break;
-
- case CARL9170_CMD_PSM:
- resp->hdr.len = 0;
- fw.phy.psm.state = le32_to_cpu(cmd->psm.state);
- rf_psm();
- break;
-#endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */
-
- default:
- BUG("Unknown command %x\n", cmd->hdr.cmd);
- break;
- }
-}
diff --git a/carl9170fw/carlfw/src/dma.c b/carl9170fw/carlfw/src/dma.c
deleted file mode 100644
index 9b83fcf..0000000
--- a/carl9170fw/carlfw/src/dma.c
+++ /dev/null
@@ -1,255 +0,0 @@
-/*
- * carl9170 firmware - used by the ar9170 wireless device
- *
- * DMA descriptor handling functions
- *
- * 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 "wl.h"
-#include "printf.h"
-
-struct ar9170_dma_memory dma_mem __section(sram);
-
-static void copy_dma_desc(struct dma_desc *dst,
- struct dma_desc *src)
-{
- memcpy(dst, src, sizeof(struct dma_desc));
-}
-
-static void clear_descriptor(struct dma_desc *d)
-{
- d->status = AR9170_OWN_BITS_SW;
- d->ctrl = 0;
- d->dataSize = 0;
- d->totalLen = 0;
- d->lastAddr = d;
- d->dataAddr = NULL;
- d->nextAddr = d;
-}
-
-static void fill_descriptor(struct dma_desc *d, uint16_t size, uint8_t *data)
-{
- d->status = AR9170_OWN_BITS_SW;
- d->ctrl = 0;
- d->dataSize = size;
- d->totalLen = 0;
- d->lastAddr = d;
- d->dataAddr = data;
- d->nextAddr = NULL;
-}
-
-static void init_queue(struct dma_queue *q, struct dma_desc *d)
-{
- q->head = q->terminator = d;
-}
-
-/*
- * - Init up_queue, down_queue, tx_queue[5], rx_queue.
- * - Setup descriptors and data buffer address.
- * - Ring descriptors rx_queue and down_queue by dma_reclaim().
- *
- * NOTE: LastAddr tempary point (same) to nextAddr after initialize.
- * Because LastAddr is don't care in function dma_reclaim().
- */
-void dma_init_descriptors(void)
-{
- unsigned int i, j;
-
- for (i = 0; i < ARRAY_SIZE(dma_mem.terminator); i++)
- clear_descriptor(&dma_mem.terminator[i]);
-
- /* Assign terminators to DMA queues */
- i = 0;
- init_queue(&fw.pta.up_queue, &dma_mem.terminator[i++]);
- init_queue(&fw.pta.down_queue, &dma_mem.terminator[i++]);
- for (j = 0; j < __AR9170_NUM_TX_QUEUES; j++)
- init_queue(&fw.wlan.tx_queue[j], &dma_mem.terminator[i++]);
- init_queue(&fw.wlan.tx_retry, &dma_mem.terminator[i++]);
- init_queue(&fw.wlan.rx_queue, &dma_mem.terminator[i++]);
- fw.usb.int_desc = &dma_mem.terminator[i++];
- fw.wlan.fw_desc = &dma_mem.terminator[i++];
-
-#ifdef CONFIG_CARL9170FW_CAB_QUEUE
- for (j = 0; j < CARL9170_INTF_NUM; j++)
- init_queue(&fw.wlan.cab_queue[j], &dma_mem.terminator[i++]);
-#endif /* CONFIG_CARL9170FW_CAB_QUEUE */
-
- BUG_ON(AR9170_TERMINATOR_NUMBER != i);
-
- DBG("Blocks:%d [tx:%d, rx:%d] Terminators:%d/%d\n",
- AR9170_BLOCK_NUMBER, AR9170_TX_BLOCK_NUMBER,
- AR9170_RX_BLOCK_NUMBER, AR9170_TERMINATOR_NUMBER, i);
-
- /* Init descriptors and memory blocks */
- for (i = 0; i < AR9170_BLOCK_NUMBER; i++) {
- fill_descriptor(&dma_mem.block[i], AR9170_BLOCK_SIZE, dma_mem.data[i].data);
-
- if (i < AR9170_TX_BLOCK_NUMBER)
- dma_reclaim(&fw.pta.down_queue, &dma_mem.block[i]);
- else
- dma_reclaim(&fw.wlan.rx_queue, &dma_mem.block[i]);
- }
-
- /* Set DMA address registers */
- set(AR9170_PTA_REG_DN_DMA_ADDRH, (uint32_t) fw.pta.down_queue.head >> 16);
- set(AR9170_PTA_REG_DN_DMA_ADDRL, (uint32_t) fw.pta.down_queue.head & 0xffff);
- set(AR9170_PTA_REG_UP_DMA_ADDRH, (uint32_t) fw.pta.up_queue.head >> 16);
- set(AR9170_PTA_REG_UP_DMA_ADDRL, (uint32_t) fw.pta.up_queue.head & 0xffff);
-
- for (i = 0; i < __AR9170_NUM_TX_QUEUES; i++)
- set_wlan_txq_dma_addr(i, (uint32_t) fw.wlan.tx_queue[i].head);
-
- set(AR9170_MAC_REG_DMA_RXQ_ADDR, (uint32_t) fw.wlan.rx_queue.head);
- fw.usb.int_desc->dataSize = AR9170_BLOCK_SIZE;
- fw.usb.int_desc->dataAddr = (void *) &dma_mem.reserved.rsp;
-
- memset(DESC_PAYLOAD(fw.usb.int_desc), 0xff,
- AR9170_INT_MAGIC_HEADER_SIZE);
- memset(DESC_PAYLOAD_OFF(fw.usb.int_desc, AR9170_INT_MAGIC_HEADER_SIZE),
- 0, AR9170_BLOCK_SIZE - AR9170_INT_MAGIC_HEADER_SIZE);
-
- /* rsp is now available for use */
- fw.usb.int_desc_available = 1;
-
- memset(DESC_PAYLOAD(fw.wlan.fw_desc), 0, 128);
- fw.wlan.fw_desc_available = 1;
-}
-
-/*
- * Free descriptor.
- *
- * Exchange the terminator and the first descriptor of the packet
- * for hardware ascy...
- */
-void dma_reclaim(struct dma_queue *q, struct dma_desc *desc)
-{
- struct dma_desc *tmpDesc, *last;
- struct dma_desc tdesc;
-
- /* 1. Set OWN bit to HW for all TDs to be added, clear ctrl and size */
- tmpDesc = desc;
- last = desc->lastAddr;
-
- while (1) {
- tmpDesc->status = AR9170_OWN_BITS_HW;
- tmpDesc->ctrl = 0;
- tmpDesc->totalLen = 0;
- tmpDesc->dataSize = AR9170_BLOCK_SIZE;
-
- /* TODO : Exception handle */
-
- tmpDesc->lastAddr = tmpDesc;
-
- if (tmpDesc == last)
- break;
-
- tmpDesc = tmpDesc->nextAddr;
- }
-
- /* 2. Next address of Last TD to be added = first TD */
- tmpDesc->nextAddr = desc;
-
- /* Link first TD to self */
- desc->lastAddr = q->terminator;
-
- /* 3. Copy first TD to be added to TTD */
- copy_dma_desc(&tdesc, desc);
-
- /* 4. Initialize new terminator */
- clear_descriptor(desc);
-
- /* 5. Copy TTD to last TD */
- tdesc.status = 0;
- copy_dma_desc((void *)q->terminator, (void *)&tdesc);
- q->terminator->status |= AR9170_OWN_BITS_HW;
-
- /* Update terminator pointer */
- q->terminator = desc;
-}
-
-/*
- * Put a complete packet into the tail of the Queue q.
- * Exchange the terminator and the first descriptor of the packet
- * for hardware ascy...
- */
-void dma_put(struct dma_queue *q, struct dma_desc *desc)
-{
- struct dma_desc *tmpDesc;
- struct dma_desc tdesc;
-
- tmpDesc = desc;
-
- while (1) {
- /* update totalLen */
- tmpDesc->totalLen = desc->totalLen;
-
- /* 1. Set OWN bit to HW for all TDs to be added */
- tmpDesc->status = AR9170_OWN_BITS_HW;
- /* TODO : Exception handle */
-
- tmpDesc->lastAddr = desc->lastAddr;
-
- if (desc->lastAddr == tmpDesc)
- break;
-
- tmpDesc = tmpDesc->nextAddr;
- }
-
- /* 2. Next address of Last TD to be added = first TD */
- desc->lastAddr->nextAddr = desc;
-
- /* If there is only one descriptor, update pointer of last descriptor */
- if (desc->lastAddr == desc)
- desc->lastAddr = q->terminator;
-
- /* 3. Copy first TD to be added to TTD */
- copy_dma_desc(&tdesc, desc);
-
- /* 4. Initialize new terminator */
- clear_descriptor(desc);
-
- /* 5. Copy TTD to last TD */
- tdesc.status &= (~AR9170_OWN_BITS);
- copy_dma_desc((void *)q->terminator, (void *)&tdesc);
- q->terminator->status |= AR9170_OWN_BITS_HW;
-
- /* Update terminator pointer */
- q->terminator = desc;
-}
-
-struct dma_desc *dma_unlink_head(struct dma_queue *queue)
-{
- struct dma_desc *desc;
-
- if (queue_empty(queue))
- return NULL;
-
- desc = queue->head;
-
- queue->head = desc->lastAddr->nextAddr;
-
- /* poison nextAddr address */
- desc->lastAddr->nextAddr = desc->lastAddr;
- desc->lastAddr->lastAddr = desc->lastAddr;
-
- return desc;
-}
diff --git a/carl9170fw/carlfw/src/fw.c b/carl9170fw/carlfw/src/fw.c
deleted file mode 100644
index 5bde675..0000000
--- a/carl9170fw/carlfw/src/fw.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * carl9170 firmware - used by the ar9170 wireless device
- *
- * Firmware descriptor
- *
- * 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 "fwdsc.h"
-
-#define FILL(small, big, more...) \
- .small = { \
- CARL9170FW_FILL_DESC(big##_MAGIC, \
- sizeof(struct carl9170fw_## small##_desc), \
- CARL9170FW_## big##_DESC_MIN_VER, \
- CARL9170FW_## big##_DESC_CUR_VER), \
- more \
- }
-
-const struct carl9170_firmware_descriptor __section(fwdsc) carl9170fw_desc = {
- FILL(otus, OTUS,
- .feature_set = cpu_to_le32(BIT(CARL9170FW_DUMMY_FEATURE) |
- BIT(CARL9170FW_USB_RESP_EP2) |
- BIT(CARL9170FW_HANDLE_BACK_REQ) |
- BIT(CARL9170FW_RX_FILTER) |
- BIT(CARL9170FW_HW_COUNTERS) |
- BIT(CARL9170FW_RX_BA_FILTER) |
- BIT(CARL9170FW_USB_INIT_FIRMWARE) |
-#ifdef CONFIG_CARL9170FW_USB_UP_STREAM
- BIT(CARL9170FW_USB_UP_STREAM) |
-#endif /* CONFIG_CARL9170FW_USB_UP_STREAM */
-#ifdef CONFIG_CARL9170FW_USB_DOWN_STREAM
- BIT(CARL9170FW_USB_DOWN_STREAM) |
-#endif /* CONFIG_CARL9170FW_USB_DOWN_STREAM */
-#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS
- BIT(CARL9170FW_COMMAND_PHY) |
- BIT(CARL9170FW_PSM) |
- BIT(CARL9170FW_FIXED_5GHZ_PSM) |
-#endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */
-#ifdef CONFIG_CARL9170FW_SECURITY_ENGINE
- BIT(CARL9170FW_COMMAND_CAM) |
-#endif /* CONFIG_CARL9170FW_SECURITY_ENGINE */
-#ifdef CONFIG_CARL9170FW_CAB_QUEUE
- BIT(CARL9170FW_WLANTX_CAB) |
-#endif /* CONFIG_CARL9170FW_CAB_QUEUE */
-#ifdef CONFIG_CARL9170FW_UNUSABLE
- BIT(CARL9170FW_UNUSABLE) |
-#endif /* CONFIG_CARL9170FW_UNUSABLE */
-#ifdef CONFIG_CARL9170FW_GPIO_INTERRUPT
- BIT(CARL9170FW_GPIO_INTERRUPT) |
-#endif /* CONFIG_CARL9170FW_GPIO_INTERRUPT */
-#ifdef CONFIG_CARL9170FW_WOL
- BIT(CARL9170FW_WOL) |
-#endif /* CONFIG_CARL9170FW_WOL */
- (0)),
-
- .miniboot_size = cpu_to_le16(0),
- .tx_descs = AR9170_TX_BLOCK_NUMBER,
- .cmd_bufs = CARL9170_INT_RQ_CACHES,
- .rx_max_frame_len = cpu_to_le16(CONFIG_CARL9170FW_RX_FRAME_LEN),
- .tx_frag_len = cpu_to_le16(AR9170_BLOCK_SIZE),
- .fw_address = cpu_to_le32(AR9170_PRAM_OFFSET),
- .bcn_addr = (__le32) cpu_to_le32(&dma_mem.reserved.bcn),
- .bcn_len = (__le16) cpu_to_le16(sizeof(dma_mem.reserved.bcn)),
- .vif_num = CARL9170_INTF_NUM,
- .api_ver = CONFIG_CARL9170FW_RELEASE_VERSION,
- ),
-
- FILL(txsq, TXSQ,
- .seq_table_addr = cpu_to_le32(&fw.wlan.sequence),
- ),
-
-#ifdef CONFIG_CARL9170FW_WOL
- FILL(wol, WOL,
- .supported_triggers = BIT(CARL9170_WOL_DISCONNECT) |
- BIT(CARL9170_WOL_MAGIC_PKT),
- ),
-#endif /* CONFIG_CARL9170FW_WOL */
-
-
- FILL(motd, MOTD,
- .fw_year_month_day = cpu_to_le32(
- CARL9170FW_SET_DAY(CARL9170FW_VERSION_DAY) +
- CARL9170FW_SET_MONTH(CARL9170FW_VERSION_MONTH) +
- CARL9170FW_SET_YEAR(CARL9170FW_VERSION_YEAR)),
- .desc = "Community AR9170 Linux",
- .release = CARL9170FW_VERSION_GIT),
-
- FILL(dbg, DBG,
- .bogoclock_addr = cpu_to_le32(0),
- .counter_addr = cpu_to_le32(&fw.counter),
- .rx_total_addr = cpu_to_le32(0),
- .rx_overrun_addr = cpu_to_le32(0),
- .rx_filter = cpu_to_le32(&fw.wlan.rx_filter),
- ),
-
- FILL(last, LAST),
-};
-
-#undef FILL
-
-struct firmware_context_struct fw;
diff --git a/carl9170fw/carlfw/src/gpio.c b/carl9170fw/carlfw/src/gpio.c
deleted file mode 100644
index 85cd81f..0000000
--- a/carl9170fw/carlfw/src/gpio.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * carl9170 firmware - used by the ar9170 wireless device
- *
- * GPIO interrupt service
- *
- * 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 "gpio.h"
-
-#ifdef CONFIG_CARL9170FW_GPIO_INTERRUPT
-void gpio_timer(void)
-{
- uint32_t cur;
-
- cur = get(AR9170_GPIO_REG_PORT_DATA) & CARL9170_GPIO_MASK;
-
- if (cur != fw.cached_gpio_state.gpio) {
- fw.cached_gpio_state.gpio = cur;
-
- send_cmd_to_host(sizeof(struct carl9170_gpio),
- CARL9170_RSP_GPIO, 0x00,
- (uint8_t *)&fw.cached_gpio_state);
-
-# ifdef CONFIG_CARL9170FW_WATCHDOG_BUTTON
- for (;;) {
- /*
- * Loop forever... Until the watchdog triggers.
- */
- }
-# endif /* CONFIG_CARL9170FW_WATCHDOG_BUTTON */
- }
-}
-#endif /* CONFIG_CARL9170FW_GPIO_INTERRUPT */
diff --git a/carl9170fw/carlfw/src/hostif.c b/carl9170fw/carlfw/src/hostif.c
deleted file mode 100644
index e445d5f..0000000
--- a/carl9170fw/carlfw/src/hostif.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * carl9170 firmware - used by the ar9170 wireless device
- *
- * Host interface routines
- *
- * 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 "hostif.h"
-#include "printf.h"
-#include "wl.h"
-
-static bool length_check(struct dma_desc *desc)
-{
- volatile struct carl9170_tx_superframe *super = __get_super(desc);
-
- if (unlikely(desc->totalLen < sizeof(struct carl9170_tx_superdesc)))
- return false;
-
- /*
- * check if the DMA is complete, or clipped.
- *
- * NB: The hardware aligns the descriptor length to
- * a 4 byte boundary. This makes the direct comparison
- * difficult, or unnecessary complex for a hot-path.
- */
- if (unlikely(super->s.len > desc->totalLen))
- return false;
-
- return true;
-}
-
-static void handle_download(void)
-{
- struct dma_desc *desc;
-
- /*
- * Under normal conditions, all completed descs should have
- * the AR9170_OWN_BITS_SE status flag set.
- * However there seems to be a undocumented case where the flag
- * is _SW ( handle_download_exception )
- */
-
- for_each_desc_not_bits(desc, &fw.pta.down_queue, AR9170_OWN_BITS_HW) {
- if (unlikely((length_check(desc) == false))) {
- /*
- * There is no easy way of telling what was lost.
- *
- * Therefore we just reclaim the data.
- * The driver has to have some sort frame
- * timeout mechanism.
- */
-
- wlan_tx_complete(__get_super(desc), false);
- dma_reclaim(&fw.pta.down_queue, desc);
- down_trigger();
- } else {
- wlan_tx(desc);
- }
- }
-
-#ifdef CONFIG_CARL9170FW_DEBUG_LED_HEARTBEAT
- xorl(AR9170_GPIO_REG_PORT_DATA, 2);
-#endif /* CONFIG_CARL9170FW_DEBUG_LED_HEARTBEAT */
-}
-
-static void handle_upload(void)
-{
- struct dma_desc *desc;
-
- for_each_desc_not_bits(desc, &fw.pta.up_queue, AR9170_OWN_BITS_HW) {
- /*
- * BIG FAT NOTE:
- *
- * DO NOT compare the descriptor addresses.
- */
- if (DESC_PAYLOAD(desc) == (void *) &dma_mem.reserved.rsp) {
- fw.usb.int_desc = desc;
- fw.usb.int_desc_available = 1;
- } else {
- dma_reclaim(&fw.wlan.rx_queue, desc);
- wlan_trigger(AR9170_DMA_TRIGGER_RXQ);
- }
- }
-
-#ifdef CONFIG_CARL9170FW_DEBUG_LED_HEARTBEAT
- xorl(AR9170_GPIO_REG_PORT_DATA, 2);
-#endif /* CONFIG_CARL9170FW_DEBUG_LED_HEARTBEAT */
-}
-
-static void handle_download_exception(void)
-{
- struct dma_desc *desc, *target;
-
- /* actually, the queue should be stopped by now? */
- usb_stop_down_queue();
-
- target = (void *)((get(AR9170_PTA_REG_DN_CURR_ADDRH) << 16) |
- get(AR9170_PTA_REG_DN_CURR_ADDRL));
-
- /*
- * Put "forgotten" packets from the head of the queue, back
- * to the current position
- */
- __while_desc_bits(desc, &fw.pta.down_queue, AR9170_OWN_BITS_HW) {
- if (desc == target)
- break;
-
- dma_reclaim(&fw.pta.down_queue,
- dma_unlink_head(&fw.pta.down_queue));
- }
-
- __for_each_desc_continue(desc, &fw.pta.down_queue) {
- if ((desc->status & AR9170_OWN_BITS) == AR9170_OWN_BITS_SW)
- dma_fix_downqueue(desc);
- }
-
-
- usb_start_down_queue();
-
- down_trigger();
-}
-
-/* handle interrupts from DMA chip */
-void handle_host_interface(void)
-{
- uint32_t pta_int;
-
- pta_int = get(AR9170_PTA_REG_INT_FLAG);
-
-#define HANDLER(intr, flag, func) \
- do { \
- if ((intr & flag) != 0) { \
- func(); \
- } \
- } while (0)
-
- HANDLER(pta_int, AR9170_PTA_INT_FLAG_DN, handle_download);
-
- HANDLER(pta_int, AR9170_PTA_INT_FLAG_UP, handle_upload);
-
- /* This is just guesswork and MAGIC */
- pta_int = get(AR9170_PTA_REG_DMA_STATUS);
- HANDLER(pta_int, 0x1, handle_download_exception);
-
-#undef HANDLER
-}
diff --git a/carl9170fw/carlfw/src/main.c b/carl9170fw/carlfw/src/main.c
deleted file mode 100644
index 17cbaf9..0000000
--- a/carl9170fw/carlfw/src/main.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- * carl9170 firmware - used by the ar9170 wireless device
- *
- * initialization and main() loop
- *
- * 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 "timer.h"
-#include "hostif.h"
-#include "printf.h"
-#include "gpio.h"
-#include "wl.h"
-#include "rf.h"
-#include "usb.h"
-
-#define AR9170_WATCH_DOG_TIMER 0x100
-
-static void timer_init(const unsigned int timer, const unsigned int interval)
-{
- /* Set timer to periodic mode */
- orl(AR9170_TIMER_REG_CONTROL, BIT(timer));
-
- /* Set time interval */
- set(AR9170_TIMER_REG_TIMER0 + (timer << 2), interval - 1);
-
- /* Clear timer interrupt flag */
- orl(AR9170_TIMER_REG_INTERRUPT, BIT(timer));
-}
-
-void clock_set(enum cpu_clock_t clock_, bool on)
-{
- /*
- * Word of Warning!
- * This setting does more than just mess with the CPU Clock.
- * So watch out, if you need _stable_ timer interrupts.
- */
-#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS
- if (fw.phy.frequency < 3000000)
- set(AR9170_PWR_REG_PLL_ADDAC, 0x5163);
- else
- set(AR9170_PWR_REG_PLL_ADDAC, 0x5143);
-#else
- set(AR9170_PWR_REG_PLL_ADDAC, 0x5163);
-#endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */
-
- fw.ticks_per_usec = GET_VAL(AR9170_PWR_PLL_ADDAC_DIV,
- get(AR9170_PWR_REG_PLL_ADDAC));
-
- set(AR9170_PWR_REG_CLOCK_SEL, (uint32_t) ((on ? 0x70 : 0x600) | clock_));
-
- switch (clock_) {
- case AHB_20_22MHZ:
- fw.ticks_per_usec >>= 1;
- case AHB_40MHZ_OSC:
- case AHB_40_44MHZ:
- fw.ticks_per_usec >>= 1;
- case AHB_80_88MHZ:
- break;
- }
-}
-
-static void init(void)
-{
- led_init();
-
-#ifdef CONFIG_CARL9170FW_DEBUG_UART
- uart_init();
-#endif /* CONFIG_CARL9170FW_DEBUG_UART */
-
- /* 25/50/100ms timer (depends on cpu clock) */
- timer_init(0, 50000);
-
- /* USB init */
- usb_init();
-
- /* initialize DMA memory */
- memset(&dma_mem, 0, sizeof(dma_mem));
-
- /* fill DMA rings */
- dma_init_descriptors();
-
- /* clear all interrupt */
- set(AR9170_MAC_REG_INT_CTRL, 0xffff);
-
- orl(AR9170_MAC_REG_AFTER_PNP, 1);
-
- /* Init watch dog control flag */
- fw.watchdog_enable = 1;
-
- set(AR9170_TIMER_REG_WATCH_DOG, AR9170_WATCH_DOG_TIMER);
-
-#ifdef CONFIG_CARL9170FW_GPIO_INTERRUPT
- fw.cached_gpio_state.gpio = get(AR9170_GPIO_REG_PORT_DATA) &
- CARL9170_GPIO_MASK;
-#endif /* CONFIG_CARL9170FW_GPIO_INTERRUPT */
-
- /* this will get the downqueue moving. */
- down_trigger();
-}
-
-static void handle_fw(void)
-{
- if (fw.watchdog_enable == 1)
- set(AR9170_TIMER_REG_WATCH_DOG, AR9170_WATCH_DOG_TIMER);
-
- if (fw.reboot)
- reboot();
-}
-
-static void timer0_isr(void)
-{
- wlan_timer();
-
-#ifdef CONFIG_CARL9170FW_GPIO_INTERRUPT
- gpio_timer();
-#endif /* CONFIG_CARL9170FW_GPIO_INTERRUPT */
-
-#ifdef CONFIG_CARL9170FW_DEBUG_LED_HEARTBEAT
- set(AR9170_GPIO_REG_PORT_DATA, get(AR9170_GPIO_REG_PORT_DATA) ^ 1);
-#endif /* CONFIG_CARL9170FW_DEBUG_LED_HEARTBEAT */
-}
-
-static void handle_timer(void)
-{
- uint32_t intr;
-
- intr = get(AR9170_TIMER_REG_INTERRUPT);
-
- /* ACK timer interrupt */
- set(AR9170_TIMER_REG_INTERRUPT, intr);
-
-#define HANDLER(intr, flag, func) \
- do { \
- if ((intr & flag) != 0) { \
- intr &= ~flag; \
- func(); \
- } \
- } while (0)
-
- HANDLER(intr, BIT(0), timer0_isr);
-
- if (intr)
- DBG("Unhandled Timer Event %x", (unsigned int) intr);
-
-#undef HANDLER
-}
-
-static void tally_update(void)
-{
- unsigned int boff, time, delta;
-
- time = get_clock_counter();
- if (fw.phy.state == CARL9170_PHY_ON) {
- delta = (time - fw.tally_clock);
-
- fw.tally.active += delta;
-
- boff = get(AR9170_MAC_REG_BACKOFF_STATUS);
- if (boff & AR9170_MAC_BACKOFF_TX_PE)
- fw.tally.tx_time += delta;
- if (boff & AR9170_MAC_BACKOFF_CCA)
- fw.tally.cca += delta;
- }
-
- fw.tally_clock = time;
- fw.counter++;
-}
-
-static void __noreturn main_loop(void)
-{
- /* main loop */
- while (1) {
- handle_fw();
-
- /*
- * Due to frame order persevation, the wlan subroutines
- * must be executed before handle_host_interface.
- */
- handle_wlan();
-
- handle_host_interface();
-
- handle_usb();
-
- handle_timer();
-
- tally_update();
- }
-}
-
-/*
- * The bootcode will work with the device driver to load the firmware
- * onto the device's Program SRAM. The Program SRAM has a size of 16 KB
- * and also contains the stack, which grows down from 0x204000.
- *
- * The Program SRAM starts at address 0x200000 on the device.
- * The firmware entry point (0x200004) is located in boot.S.
- * we put _start() there with the linker script carl9170.lds.
- */
-
-void __section(boot) start(void)
-{
- clock_set(AHB_40MHZ_OSC, true);
-
- /* watchdog magic pattern check */
- if ((get(AR9170_PWR_REG_WATCH_DOG_MAGIC) & 0xffff0000) == 0x12340000) {
- /* watch dog warm start */
- incl(AR9170_PWR_REG_WATCH_DOG_MAGIC);
- usb_trigger_out();
- } else if ((get(AR9170_PWR_REG_WATCH_DOG_MAGIC) & 0xffff0000) == 0x98760000) {
- /* suspend/resume */
- }
-
- /* write the magic pattern for watch dog */
- andl(AR9170_PWR_REG_WATCH_DOG_MAGIC, 0xFFFF);
- orl(AR9170_PWR_REG_WATCH_DOG_MAGIC, 0x12340000);
-
- init();
-
-#ifdef CONFIG_CARL9170FW_DEBUG
-
- BUG("TEST BUG");
- BUG_ON(0x2b || !0x2b);
- INFO("INFO MESSAGE");
-
- /* a set of unique characters to detect transfer data corruptions */
- DBG("AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz"
- " ~`!1@2#3$4%%5^6&7*8(9)0_-+={[}]|\\:;\"'<,>.?/");
-#endif /* CONFIG_CARL9170FW_DEBUG */
-
- /*
- * Tell the host, that the firmware has booted and is
- * now ready to process requests.
- */
- send_cmd_to_host(0, CARL9170_RSP_BOOT, 0x00, NULL);
- main_loop();
-}
diff --git a/carl9170fw/carlfw/src/memcpy.S b/carl9170fw/carlfw/src/memcpy.S
deleted file mode 100644
index 9539a6b..0000000
--- a/carl9170fw/carlfw/src/memcpy.S
+++ /dev/null
@@ -1,228 +0,0 @@
-/* $Id: memcpy.S,v 1.3 2001/07/27 11:50:52 gniibe Exp $
- *
- * "memcpy" implementation of SuperH
- *
- * Copyright (C) 1999 Niibe Yutaka
- *
- */
-
-/*
- * void *memcpy(void *dst, const void *src, size_t n);
- * No overlap between the memory of DST and of SRC are assumed.
- */
-
- .globl _memcpy
- .align 2
- _memcpy:
- tst r6,r6
- bt/s 9f ! if n=0, do nothing
- mov r4,r0
- sub r4,r5 ! From here, r5 has the distance to r0
- add r6,r0 ! From here, r0 points the end of copying point
- mov #12,r1
- cmp/gt r6,r1
- bt/s 7f ! if it's too small, copy a byte at once
- add #-1,r5
- add #1,r5
- ! From here, r6 is free
- !
- ! r4 --> [ ... ] DST [ ... ] SRC
- ! [ ... ] [ ... ]
- ! : :
- ! r0 --> [ ... ] r0+r5 --> [ ... ]
- !
- !
- mov r5,r1
- mov #3,r2
- and r2,r1
- shll2 r1
- mov r0,r3 ! Save the value on R0 to R3
- mova jmptable,r0
- add r1,r0
- mov.l @r0,r1
- jmp @r1
- mov r3,r0 ! and back to R0
- .balign 4
-jmptable:
- .long case0
- .long case1
- .long case2
- .long case3
-
- ! copy a byte at once
-7: mov r4,r2
- add #1,r2
-8:
- cmp/hi r2,r0
- mov.b @(r0,r5),r1
- bt/s 8b ! while (r0>r2)
- mov.b r1,@-r0
-9:
- rts
- nop
-
-case0:
- !
- ! GHIJ KLMN OPQR --> GHIJ KLMN OPQR
- !
- ! First, align to long word boundary
- mov r0,r3
- and r2,r3
- tst r3,r3
- bt/s 2f
- add #-4,r5
- add #3,r5
-1: dt r3
- mov.b @(r0,r5),r1
- bf/s 1b
- mov.b r1,@-r0
- !
- add #-3,r5
-2: ! Second, copy a long word at once
- mov r4,r2
- add #7,r2
-3: mov.l @(r0,r5),r1
- cmp/hi r2,r0
- bt/s 3b
- mov.l r1,@-r0
- !
- ! Third, copy a byte at once, if necessary
- cmp/eq r4,r0
- bt/s 9b
- add #3,r5
- bra 8b
- add #-6,r2
-
-case1:
- !
- ! GHIJ KLMN OPQR --> ...G HIJK LMNO PQR.
- !
- ! First, align to long word boundary
- mov r0,r3
- and r2,r3
- tst r3,r3
- bt/s 2f
- add #-1,r5
-1: dt r3
- mov.b @(r0,r5),r1
- bf/s 1b
- mov.b r1,@-r0
- !
-2: ! Second, read a long word and write a long word at once
- mov.l @(r0,r5),r1
- add #-4,r5
- mov r4,r2
- add #7,r2
- !
-#ifdef __LITTLE_ENDIAN__
-3: mov r1,r3 ! RQPO
- shll16 r3
- shll8 r3 ! Oxxx
- mov.l @(r0,r5),r1 ! NMLK
- mov r1,r6
- shlr8 r6 ! xNML
- or r6,r3 ! ONML
- cmp/hi r2,r0
- bt/s 3b
- mov.l r3,@-r0
-#else
-3: mov r1,r3 ! OPQR
- shlr16 r3
- shlr8 r3 ! xxxO
- mov.l @(r0,r5),r1 ! KLMN
- mov r1,r6
- shll8 r6 ! LMNx
- or r6,r3 ! LMNO
- cmp/hi r2,r0
- bt/s 3b
- mov.l r3,@-r0
-#endif
- !
- ! Third, copy a byte at once, if necessary
- cmp/eq r4,r0
- bt/s 9b
- add #4,r5
- bra 8b
- add #-6,r2
-
-case2:
- !
- ! GHIJ KLMN OPQR --> ..GH IJKL MNOP QR..
- !
- ! First, align to word boundary
- tst #1,r0
- bt/s 2f
- add #-1,r5
- mov.b @(r0,r5),r1
- mov.b r1,@-r0
- !
-2: ! Second, read a word and write a word at once
- add #-1,r5
- mov r4,r2
- add #3,r2
- !
-3: mov.w @(r0,r5),r1
- cmp/hi r2,r0
- bt/s 3b
- mov.w r1,@-r0
- !
- ! Third, copy a byte at once, if necessary
- cmp/eq r4,r0
- bt/s 9b
- add #1,r5
- mov.b @(r0,r5),r1
- rts
- mov.b r1,@-r0
-
-case3:
- !
- ! GHIJ KLMN OPQR --> .GHI JKLM NOPQ R...
- !
- ! First, align to long word boundary
- mov r0,r3
- and r2,r3
- tst r3,r3
- bt/s 2f
- add #-1,r5
-1: dt r3
- mov.b @(r0,r5),r1
- bf/s 1b
- mov.b r1,@-r0
- !
-2: ! Second, read a long word and write a long word at once
- add #-2,r5
- mov.l @(r0,r5),r1
- add #-4,r5
- mov r4,r2
- add #7,r2
- !
-#ifdef __LITTLE_ENDIAN__
-3: mov r1,r3 ! RQPO
- shll8 r3 ! QPOx
- mov.l @(r0,r5),r1 ! NMLK
- mov r1,r6
- shlr16 r6
- shlr8 r6 ! xxxN
- or r6,r3 ! QPON
- cmp/hi r2,r0
- bt/s 3b
- mov.l r3,@-r0
-#else
-3: mov r1,r3 ! OPQR
- shlr8 r3 ! xOPQ
- mov.l @(r0,r5),r1 ! KLMN
- mov r1,r6
- shll16 r6
- shll8 r6 ! Nxxx
- or r6,r3 ! NOPQ
- cmp/hi r2,r0
- bt/s 3b
- mov.l r3,@-r0
-#endif
- !
- ! Third, copy a byte at once, if necessary
- cmp/eq r4,r0
- bt/s 9b
- add #6,r5
- bra 8b
- add #-6,r2
diff --git a/carl9170fw/carlfw/src/memset.S b/carl9170fw/carlfw/src/memset.S
deleted file mode 100644
index d39c8a6..0000000
--- a/carl9170fw/carlfw/src/memset.S
+++ /dev/null
@@ -1,58 +0,0 @@
-/* $Id: memset.S,v 1.1 2000/04/14 16:49:01 mjd Exp $
- *
- * "memset" implementation of SuperH
- *
- * Copyright (C) 1999 Niibe Yutaka
- *
- */
-
-/*
- * void *memset(void *s, int c, size_t n);
- */
-
- .globl _memset
- .align 2
- _memset:
- tst r6,r6
- bt/s 5f ! if n=0, do nothing
- add r6,r4
- mov #12,r0
- cmp/gt r6,r0
- bt/s 4f ! if it's too small, set a byte at once
- mov r4,r0
- and #3,r0
- cmp/eq #0,r0
- bt/s 2f ! It's aligned
- sub r0,r6
-1:
- dt r0
- bf/s 1b
- mov.b r5,@-r4
-2: ! make VVVV
- extu.b r5,r5
- swap.b r5,r0 ! V0
- or r0,r5 ! VV
- swap.w r5,r0 ! VV00
- or r0,r5 ! VVVV
- !
- mov r6,r0
- shlr2 r0
- shlr r0 ! r0 = r6 >> 3
-3:
- dt r0
- mov.l r5,@-r4 ! set 8-byte at once
- bf/s 3b
- mov.l r5,@-r4
- !
- mov #7,r0
- and r0,r6
- tst r6,r6
- bt 5f
- ! fill bytes
-4:
- dt r6
- bf/s 4b
- mov.b r5,@-r4
-5:
- rts
- mov r4,r0
diff --git a/carl9170fw/carlfw/src/printf.c b/carl9170fw/carlfw/src/printf.c
deleted file mode 100644
index 3ff05c4..0000000
--- a/carl9170fw/carlfw/src/printf.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * Copyright (C) 2004,2008 Kustaa Nyholm
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include "carl9170.h"
-#include "printf.h"
-
-#ifdef CONFIG_CARL9170FW_PRINTF
-static char *bf;
-static char buf[12];
-static unsigned int num;
-static char uc;
-static char zs;
-
-static void out(const char c)
-{
- *bf++ = c;
-}
-
-static void outDgt(const char dgt)
-{
- out(dgt + (dgt < 10 ? '0' : (uc ? 'A' : 'a') - 10));
- zs = 1;
-}
-
-static void divOut(const unsigned int d)
-{
- unsigned char dgt = 0;
-
- while (num >= d) {
- num -= d;
- dgt++;
- }
-
- if (zs || dgt > 0)
- outDgt(dgt);
-}
-
-void tfp_printf(const char *fmt, ...)
-{
- va_list va;
- char *p;
- unsigned int i;
- char ch;
-
- va_start(va, fmt);
-
- while ((ch = *(fmt++))) {
- if (ch != '%') {
- putcharacter(ch);
- } else {
- char lz = 0;
- char w = 0;
- ch = *(fmt++);
-
- if (ch == '0') {
- ch = *(fmt++);
- lz = 1;
- }
-
- if (ch >= '0' && ch <= '9') {
- w = 0;
- while (ch >= '0' && ch <= '9') {
- w = (((w << 2) + w) << 1) + ch - '0';
- ch = *fmt++;
- }
- }
-
- bf = buf;
- p = bf;
- zs = 0;
-
- switch (ch) {
- case 0:
- goto abort;
-
- case 'u':
- case 'd':
- num = va_arg(va, unsigned int);
- if (ch == 'd' && (int) num < 0) {
- num = -(int)num;
- out('-');
- }
-
- for (i = 100000000; i != 1; i /= 10)
- divOut(i);
-
- outDgt(num);
- break;
-
- case 'p':
- case 'x':
- case 'X':
- uc = ch == 'X';
- num = va_arg(va, unsigned int);
- for (i = 0x10000000; i != 0x1; i >>= 4)
- divOut(i);
-
- outDgt(num);
- break;
-
- case 'c':
- out((char)(va_arg(va, int)));
- break;
-
- case 's':
- p = va_arg(va, char*);
- break;
- case '%':
- out('%');
- break;
-
- default:
- break;
- }
-
- *bf = 0;
- bf = p;
- while (*bf++ && w > 0)
- w--;
-
- while (w-- > 0)
- putcharacter(lz ? '0' : ' ');
-
- while ((ch = *p++))
- putcharacter(ch);
- }
- }
-
-abort:
- putcharacter('\0');
- va_end(va);
-}
-
-#else
-
-void min_printf(const char *fmt, ...)
-{
- char ch;
-
- do {
- ch = *(fmt++);
- putcharacter(ch);
- } while (ch);
-}
-
-#endif /* CONFIG_CARL9170FW_PRINTF */
diff --git a/carl9170fw/carlfw/src/reboot.S b/carl9170fw/carlfw/src/reboot.S
deleted file mode 100644
index 14c1813..0000000
--- a/carl9170fw/carlfw/src/reboot.S
+++ /dev/null
@@ -1,11 +0,0 @@
- .globl _jump_to_bootcode
- .type _jump_to_bootcode, @function
- _jump_to_bootcode:
- mov.l stack_start, r0
- mov.l @r0, sp
- mov.l eeprom_start, r0
- mov.l @r0, r0
- jmp @r0
- .align 4
-stack_start: .long 0x00000004
-eeprom_start: .long 0x00000000
diff --git a/carl9170fw/carlfw/src/rf.c b/carl9170fw/carlfw/src/rf.c
deleted file mode 100644
index e031dd8..0000000
--- a/carl9170fw/carlfw/src/rf.c
+++ /dev/null
@@ -1,277 +0,0 @@
-/*
- * carl9170 firmware - used by the ar9170 wireless device
- *
- * PHY and RF functions
- *
- * 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 "timer.h"
-#include "printf.h"
-#include "rf.h"
-#include "shared/phy.h"
-
-#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS
-static void set_channel_end(void)
-{
- /* Manipulate CCA threshold to resume transmission */
- set(AR9170_PHY_REG_CCA_THRESHOLD, 0x0);
- /* Disable Virtual CCA */
- andl(AR9170_MAC_REG_QOS_PRIORITY_VIRTUAL_CCA,
- ~AR9170_MAC_VIRTUAL_CCA_ALL);
-
- fw.phy.state = CARL9170_PHY_ON;
-}
-
-void rf_notify_set_channel(void)
-{
- /* Manipulate CCA threshold to stop transmission */
- set(AR9170_PHY_REG_CCA_THRESHOLD, 0x300);
- /* Enable Virtual CCA */
- orl(AR9170_MAC_REG_QOS_PRIORITY_VIRTUAL_CCA,
- AR9170_MAC_VIRTUAL_CCA_ALL);
-
- /* reset CCA stats */
- fw.tally.active = 0;
- fw.tally.cca = 0;
- fw.tally.tx_time = 0;
- fw.phy.state = CARL9170_PHY_OFF;
-}
-
-/*
- * Update delta slope coeff man and exp
- */
-static void hw_turn_off_dyn(const uint32_t delta_slope_coeff_exp,
- const uint32_t delta_slope_coeff_man,
- const uint32_t delta_slope_coeff_exp_shgi,
- const uint32_t delta_slope_coeff_man_shgi)
-{
- uint32_t tmp;
-
- tmp = get_async(AR9170_PHY_REG_TIMING3) & 0x00001fff;
- tmp |= (delta_slope_coeff_man << AR9170_PHY_TIMING3_DSC_MAN_S) &
- AR9170_PHY_TIMING3_DSC_MAN;
- tmp |= (delta_slope_coeff_exp << AR9170_PHY_TIMING3_DSC_EXP_S) &
- AR9170_PHY_TIMING3_DSC_EXP;
-
- set(AR9170_PHY_REG_TIMING3, tmp);
-
- tmp = (delta_slope_coeff_man_shgi << AR9170_PHY_HALFGI_DSC_MAN_S) &
- AR9170_PHY_HALFGI_DSC_MAN;
-
- tmp |= (delta_slope_coeff_exp_shgi << AR9170_PHY_HALFGI_DSC_EXP_S) &
- AR9170_PHY_HALFGI_DSC_EXP;
-
- set(AR9170_PHY_REG_HALFGI, tmp);
-}
-
-static void program_ADDAC(void)
-{
- /* ??? Select Internal ADDAC ??? (is external radio) */
- set(AR9170_PHY_REG_ADC_SERIAL_CTL, AR9170_PHY_ADC_SCTL_SEL_EXTERNAL_RADIO);
-
- delay(10);
-
- set(0x1c589c, 0x00000000); /*# 7-0 */
- set(0x1c589c, 0x00000000); /*# 15-8 */
- set(0x1c589c, 0x00000000); /*# 23-16 */
- set(0x1c589c, 0x00000000); /*# 31- */
-
- set(0x1c589c, 0x00000000); /*# 39- */
- set(0x1c589c, 0x00000000); /*# 47- */
- set(0x1c589c, 0x00000000); /*# 55- [48]:doubles the xtalosc bias current */
- set(0x1c589c, 0x00000000); /*# 63- */
-
- set(0x1c589c, 0x00000000); /*# 71- */
- set(0x1c589c, 0x00000000); /*# 79- */
- set(0x1c589c, 0x00000000); /*# 87- */
- set(0x1c589c, 0x00000000); /*# 95- */
-
- set(0x1c589c, 0x00000000); /*# 103- */
- set(0x1c589c, 0x00000000); /*# 111- */
- set(0x1c589c, 0x00000000); /*# 119- */
- set(0x1c589c, 0x00000000); /*# 127- */
-
- set(0x1c589c, 0x00000000); /*# 135- */
- set(0x1c589c, 0x00000000); /*# 143- */
- set(0x1c589c, 0x00000000); /*# 151- */
- set(0x1c589c, 0x00000030); /*# 159- #[158:156]=xlnabufmode */
-
- set(0x1c589c, 0x00000004); /*# 167- [162]:disable clkp_driver to flow */
- set(0x1c589c, 0x00000000); /*# 175- */
- set(0x1c589c, 0x00000000); /*# 183-176 */
- set(0x1c589c, 0x00000000); /*# 191-184 */
-
- set(0x1c589c, 0x00000000); /*# 199- */
- set(0x1c589c, 0x00000000); /*# 207- */
- set(0x1c589c, 0x00000000); /*# 215- */
- set(0x1c589c, 0x00000000); /*# 223- */
-
- set(0x1c589c, 0x00000000); /*# 231- */
- set(0x1c58c4, 0x00000000); /*# 233-232 */
-
- delay(10);
-
- /* Select External Flow ???? (is internal addac??) */
- set(AR9170_PHY_REG_ADC_SERIAL_CTL, AR9170_PHY_ADC_SCTL_SEL_INTERNAL_ADDAC);
-}
-
-static uint32_t AGC_calibration(uint32_t loop)
-{
- uint32_t wrdata;
- uint32_t ret;
-
-#define AGC_CAL_NF (AR9170_PHY_AGC_CONTROL_CAL | AR9170_PHY_AGC_CONTROL_NF)
-
- wrdata = get_async(AR9170_PHY_REG_AGC_CONTROL) | AGC_CAL_NF;
- set(AR9170_PHY_REG_AGC_CONTROL, wrdata);
-
- ret = get_async(AR9170_PHY_REG_AGC_CONTROL) & AGC_CAL_NF;
-
- /* sitesurvey : 100 ms / current connected 200 ms */
- while ((ret != 0) && loop--) {
- udelay(100);
-
- ret = get_async(AR9170_PHY_REG_AGC_CONTROL) & AGC_CAL_NF;
- }
-
- /* return the AGC/Noise calibration state to the driver */
- return ret;
-}
-
-#define EIGHTY_FLAG (CARL9170FW_PHY_HT_ENABLE | CARL9170FW_PHY_HT_DYN2040)
-
-static uint32_t rf_init(const uint32_t delta_slope_coeff_exp,
- const uint32_t delta_slope_coeff_man,
- const uint32_t delta_slope_coeff_exp_shgi,
- const uint32_t delta_slope_coeff_man_shgi,
- const uint32_t finiteLoopCount,
- const bool initialize)
-{
- uint32_t ret;
-
- hw_turn_off_dyn(delta_slope_coeff_exp,
- delta_slope_coeff_man,
- delta_slope_coeff_exp_shgi,
- delta_slope_coeff_man_shgi);
-
- if (initialize) {
- /* Real Chip */
- program_ADDAC();
-
- /* inverse chain 0 <-> chain 2 */
- set(AR9170_PHY_REG_ANALOG_SWAP, AR9170_PHY_ANALOG_SWAP_AB);
-
- /* swap chain 0 and chain 2 */
- set(AR9170_PHY_REG_ANALOG_SWAP, AR9170_PHY_ANALOG_SWAP_AB |
- AR9170_PHY_ANALOG_SWAP_ALT_CHAIN);
-
- /* Activate BB */
- set(AR9170_PHY_REG_ACTIVE, AR9170_PHY_ACTIVE_EN);
- delay(10);
- }
-
- ret = AGC_calibration(finiteLoopCount);
-
- set_channel_end();
- return ret;
-}
-
-void rf_cmd(const struct carl9170_cmd *cmd, struct carl9170_rsp *resp)
-{
- uint32_t ret;
-
- fw.phy.ht_settings = cmd->rf_init.ht_settings;
- fw.phy.frequency = cmd->rf_init.freq;
-
- /*
- * Is the clock controlled by the PHY?
- */
- if ((fw.phy.ht_settings & EIGHTY_FLAG) == EIGHTY_FLAG)
- clock_set(AHB_80_88MHZ, true);
- else
- clock_set(AHB_40_44MHZ, true);
-
- ret = rf_init(le32_to_cpu(cmd->rf_init.delta_slope_coeff_exp),
- le32_to_cpu(cmd->rf_init.delta_slope_coeff_man),
- le32_to_cpu(cmd->rf_init.delta_slope_coeff_exp_shgi),
- le32_to_cpu(cmd->rf_init.delta_slope_coeff_man_shgi),
- le32_to_cpu(cmd->rf_init.finiteLoopCount),
- cmd->hdr.cmd == CARL9170_CMD_RF_INIT);
-
- resp->hdr.len = sizeof(struct carl9170_rf_init_result);
- resp->rf_init_res.ret = cpu_to_le32(ret);
-}
-
-void rf_psm(void)
-{
- u32 bank3;
-
- if (fw.phy.psm.state == CARL9170_PSM_SOFTWARE) {
- /* not enabled by the driver */
- return;
- }
-
- if (fw.phy.psm.state & CARL9170_PSM_SLEEP) {
- fw.phy.psm.state &= ~CARL9170_PSM_SLEEP;
-
- /* disable all agc gain and offset updates to a2 */
- set(AR9170_PHY_REG_TEST2, 0x8000000);
-
- /* power down ADDAC */
- set(AR9170_PHY_REG_ADC_CTL,
- AR9170_PHY_ADC_CTL_OFF_PWDDAC |
- AR9170_PHY_ADC_CTL_OFF_PWDADC |
- 0xa0000000);
-
- /* Synthesizer off + RX off */
- bank3 = 0x00400018;
-
- fw.phy.state = CARL9170_PHY_OFF;
- } else {
- /* advance to the next PSM step */
- fw.phy.psm.state--;
-
- if (fw.phy.psm.state == CARL9170_PSM_WAKE) {
- /* wake up ADDAC */
- set(AR9170_PHY_REG_ADC_CTL,
- AR9170_PHY_ADC_CTL_OFF_PWDDAC |
- AR9170_PHY_ADC_CTL_OFF_PWDADC);
-
- /* enable all agc gain and offset updates to a2 */
- set(AR9170_PHY_REG_TEST2, 0x0);
-
- /* Synthesizer on + RX on */
- bank3 = 0x01420098;
-
- fw.phy.state = CARL9170_PHY_ON;
- } else {
- return ;
- }
- }
-
- if (fw.phy.frequency < 3000000)
- bank3 |= 0x00800000;
-
- set(0x1c58f0, bank3);
-}
-
-#endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */
diff --git a/carl9170fw/carlfw/src/uart.c b/carl9170fw/carlfw/src/uart.c
deleted file mode 100644
index 58f6486..0000000
--- a/carl9170fw/carlfw/src/uart.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * carl9170 firmware - used by the ar9170 wireless device
- *
- * UART debug interface functions.
- *
- * 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 "uart.h"
-#include "io.h"
-
-#ifdef CONFIG_CARL9170FW_DEBUG_UART
-void uart_putc(const char c)
-{
- set(AR9170_UART_REG_TX_HOLDING, c);
-
- while (get(AR9170_UART_REG_LINE_STATUS) &
- AR9170_UART_LINE_STS_TX_FIFO_ALMOST_EMPTY) {
- /*
- * wait until the byte has made it
- */
- }
-}
-
-void uart_print_hex_dump(const void *buf, const int len)
-{
- unsigned int offset = 0;
-
- uart_putc('H');
- uart_putc('D');
- uart_putc(':');
-
- while (len > 0) {
- uart_putc(*((uint8_t *) buf + offset));
- offset++;
- }
-}
-
-void uart_init(void)
-{
- unsigned int timeout = 0;
-
-#ifdef CONFIG_CARL9170FW_UART_CLOCK_25M
- set(AR9170_UART_REG_DIVISOR_LSB, 0xc);
-#elif CONFIG_CARL9170FW_UART_CLOCK_40M
- set(AR9170_UART_REG_DIVISOR_LSB, 0x14); /* 40 MHz */
- set(AR9170_UART_REG_REMAINDER, 0xb38e);
-#else
-#error "Unsupported UART clock"
-#endif /* CARL9170FW_UART_CLOCK_25M */
-
- while (get(AR9170_UART_REG_LINE_STATUS) &
- AR9170_UART_LINE_STS_TRANSMITTER_EMPTY) {
- if (timeout++ >= 10000)
- break;
- }
-}
-#endif /* CONFIG_CARL9170FW_DEBUG_UART */
diff --git a/carl9170fw/carlfw/src/udivsi3_i4i-Os.S b/carl9170fw/carlfw/src/udivsi3_i4i-Os.S
deleted file mode 100644
index 7bbec4c..0000000
--- a/carl9170fw/carlfw/src/udivsi3_i4i-Os.S
+++ /dev/null
@@ -1,149 +0,0 @@
-/* Copyright (C) 2006 Free Software Foundation, Inc.
-
-This file 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, or (at your option) any
-later version.
-
-In addition to the permissions in the GNU General Public License, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file into combinations with other programs,
-and to distribute those combinations without any restriction coming
-from the use of this file. (The General Public License restrictions
-do apply in other respects; for example, they cover modification of
-the file, and distribution when not linked into a combine
-executable.)
-
-This file 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; see the file COPYING. If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
-
-/* Moderately Space-optimized libgcc routines for the Renesas SH /
- STMicroelectronics ST40 CPUs.
- Contributed by J"orn Rennecke joern.rennecke@st.com. */
-
-/* Size: 186 bytes jointly for udivsi3_i4i and sdivsi3_i4i
- sh4-200 run times:
- udiv small divisor: 55 cycles
- udiv large divisor: 52 cycles
- sdiv small divisor, positive result: 59 cycles
- sdiv large divisor, positive result: 56 cycles
- sdiv small divisor, negative result: 65 cycles (*)
- sdiv large divisor, negative result: 62 cycles (*)
- (*): r2 is restored in the rts delay slot and has a lingering latency
- of two more cycles. */
- .balign 4
- .global ___udivsi3_i4i
- .global ___udivsi3_i4
- .set ___udivsi3_i4, ___udivsi3_i4i
- .type ___udivsi3_i4i, @function
- .type ___sdivsi3_i4i, @function
-___udivsi3_i4i:
- sts pr,r1
- mov.l r4,@-r15
- extu.w r5,r0
- cmp/eq r5,r0
- swap.w r4,r0
- shlr16 r4
- bf/s large_divisor
- div0u
- mov.l r5,@-r15
- shll16 r5
-sdiv_small_divisor:
- div1 r5,r4
- bsr div6
- div1 r5,r4
- div1 r5,r4
- bsr div6
- div1 r5,r4
- xtrct r4,r0
- xtrct r0,r4
- bsr div7
- swap.w r4,r4
- div1 r5,r4
- bsr div7
- div1 r5,r4
- xtrct r4,r0
- mov.l @r15+,r5
- swap.w r0,r0
- mov.l @r15+,r4
- jmp @r1
- rotcl r0
-div7:
- div1 r5,r4
-div6:
- div1 r5,r4; div1 r5,r4; div1 r5,r4
- div1 r5,r4; div1 r5,r4; rts; div1 r5,r4
-
-divx3:
- rotcl r0
- div1 r5,r4
- rotcl r0
- div1 r5,r4
- rotcl r0
- rts
- div1 r5,r4
-
-large_divisor:
- mov.l r5,@-r15
-sdiv_large_divisor:
- xor r4,r0
- .rept 4
- rotcl r0
- bsr divx3
- div1 r5,r4
- .endr
- mov.l @r15+,r5
- mov.l @r15+,r4
- jmp @r1
- rotcl r0
-
- .global __sdivsi3_i4i
- .global __sdivsi3_i4
- .global __sdivsi3
- .set __sdivsi3_i4, __sdivsi3_i4i
- .set __sdivsi3, __sdivsi3_i4i
-__sdivsi3_i4i:
- mov.l r4,@-r15
- cmp/pz r5
- mov.l r5,@-r15
- bt/s pos_divisor
- cmp/pz r4
- neg r5,r5
- extu.w r5,r0
- bt/s neg_result
- cmp/eq r5,r0
- neg r4,r4
-pos_result:
- swap.w r4,r0
- bra sdiv_check_divisor
- sts pr,r1
-pos_divisor:
- extu.w r5,r0
- bt/s pos_result
- cmp/eq r5,r0
- neg r4,r4
-neg_result:
- mova negate_result,r0
- ;
- mov r0,r1
- swap.w r4,r0
- lds r2,macl
- sts pr,r2
-sdiv_check_divisor:
- shlr16 r4
- bf/s sdiv_large_divisor
- div0u
- bra sdiv_small_divisor
- shll16 r5
- .balign 4
-negate_result:
- neg r0,r0
- jmp @r2
- sts macl,r2
diff --git a/carl9170fw/carlfw/src/wlan.c b/carl9170fw/carlfw/src/wlan.c
deleted file mode 100644
index d3328d6..0000000
--- a/carl9170fw/carlfw/src/wlan.c
+++ /dev/null
@@ -1,1211 +0,0 @@
-/*
- * carl9170 firmware - used by the ar9170 wireless device
- *
- * Interface to the WLAN part of the chip
- *
- * 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 "timer.h"
-#include "wl.h"
-#include "printf.h"
-#include "rf.h"
-#include "linux/ieee80211.h"
-#include "wol.h"
-
-static void wlan_txunstuck(unsigned int queue)
-{
- set_wlan_txq_dma_addr(queue, ((uint32_t) fw.wlan.tx_queue[queue].head) | 1);
-}
-
-#ifdef CONFIG_CARL9170FW_DMA_QUEUE_BUMP
-static void wlan_txupdate(unsigned int queue)
-{
- set_wlan_txq_dma_addr(queue, ((uint32_t) fw.wlan.tx_queue[queue].head));
-}
-
-static void wlan_dma_bump(unsigned int qidx)
-{
- unsigned int offset = qidx;
- uint32_t status, trigger;
-
- status = get(AR9170_MAC_REG_DMA_STATUS) >> 12;
- trigger = get(AR9170_MAC_REG_DMA_TRIGGER) >> 12;
-
- while (offset != 0) {
- status >>= 4;
- trigger >>= 4;
- offset--;
- }
-
- status &= 0xf;
- trigger &= 0xf;
-
- if ((trigger == 0xa) && (status == 0x8)) {
- DBG("UNSTUCK");
- wlan_txunstuck(qidx);
- } else {
- DBG("UPDATE");
- wlan_txupdate(qidx);
- }
-}
-#endif /* CONFIG_CARL9170FW_DMA_QUEUE_BUMP */
-
-#ifdef CONFIG_CARL9170FW_DEBUG
-static void wlan_dump_queue(unsigned int qidx)
-{
-
- struct dma_desc *desc;
- struct carl9170_tx_superframe *super;
- int entries = 0;
-
- __for_each_desc(desc, &fw.wlan.tx_queue[qidx]) {
- super = get_super(desc);
- DBG("%d: %p s:%x c:%x tl:%x ds:%x n:%p l:%p ", entries, desc,
- desc->status, desc->ctrl, desc->totalLen,
- desc->dataSize, desc->nextAddr, desc->lastAddr);
-
- DBG("c:%x tr:%d ri:%d l:%x m:%x p:%x fc:%x",
- super->s.cookie, super->s.cnt, super->s.rix,
- super->f.hdr.length, super->f.hdr.mac.set,
- (unsigned int) le32_to_cpu(super->f.hdr.phy.set),
- super->f.data.i3e.frame_control);
-
- entries++;
- }
-
- desc = get_wlan_txq_addr(qidx);
-
- DBG("Queue: %d: te:%d td:%d h:%p c:%p t:%p",
- qidx, entries, queue_len(&fw.wlan.tx_queue[qidx]),
- fw.wlan.tx_queue[qidx].head,
- desc, fw.wlan.tx_queue[qidx].terminator);
-
- DBG("HW: t:%x s:%x ac:%x c:%x",
- (unsigned int) get(AR9170_MAC_REG_DMA_TRIGGER),
- (unsigned int) get(AR9170_MAC_REG_DMA_STATUS),
- (unsigned int) get(AR9170_MAC_REG_AMPDU_COUNT),
- (unsigned int) get(AR9170_MAC_REG_DMA_TXQX_ADDR_CURR));
-}
-#endif /* CONFIG_CARL9170FW_DEBUG */
-
-static void wlan_send_buffered_tx_status(void)
-{
- unsigned int len;
-
- while (fw.wlan.tx_status_pending) {
- len = min((unsigned int)fw.wlan.tx_status_pending,
- CARL9170_RSP_TX_STATUS_NUM);
- len = min(len, CARL9170_TX_STATUS_NUM - fw.wlan.tx_status_head_idx);
-
- /*
- * rather than memcpy each individual request into a large buffer,
- * we _splice_ them all together.
- *
- * The only downside is however that we have to be careful around
- * the edges of the tx_status_cache.
- *
- * Note:
- * Each tx_status is about 2 bytes. However every command package
- * must have a size which is a multiple of 4.
- */
-
- send_cmd_to_host((len * sizeof(struct carl9170_tx_status) + 3) & ~3,
- CARL9170_RSP_TXCOMP, len, (void *)
- &fw.wlan.tx_status_cache[fw.wlan.tx_status_head_idx]);
-
- fw.wlan.tx_status_pending -= len;
- fw.wlan.tx_status_head_idx += len;
- fw.wlan.tx_status_head_idx %= CARL9170_TX_STATUS_NUM;
- }
-}
-
-static struct carl9170_tx_status *wlan_get_tx_status_buffer(void)
-{
- struct carl9170_tx_status *tmp;
-
- tmp = &fw.wlan.tx_status_cache[fw.wlan.tx_status_tail_idx++];
- fw.wlan.tx_status_tail_idx %= CARL9170_TX_STATUS_NUM;
-
- if (fw.wlan.tx_status_pending == CARL9170_TX_STATUS_NUM)
- wlan_send_buffered_tx_status();
-
- fw.wlan.tx_status_pending++;
-
- return tmp;
-}
-
-/* generate _aggregated_ tx_status for the host */
-void wlan_tx_complete(struct carl9170_tx_superframe *super,
- bool txs)
-{
- struct carl9170_tx_status *status;
-
- status = wlan_get_tx_status_buffer();
-
- /*
- * The *unique* cookie and AC_ID is used by the driver for
- * frame lookup.
- */
- status->cookie = super->s.cookie;
- status->queue = super->s.queue;
- super->s.cookie = 0;
-
- /*
- * This field holds the number of tries of the rate in
- * the rate index field (rix).
- */
- status->rix = super->s.rix;
- status->tries = super->s.cnt;
- status->success = (txs) ? 1 : 0;
-}
-
-static bool wlan_tx_consume_retry(struct carl9170_tx_superframe *super)
-{
- /* check if this was the last possible retry with this rate */
- if (unlikely(super->s.cnt >= super->s.ri[super->s.rix].tries)) {
- /* end of the road - indicate tx failure */
- if (unlikely(super->s.rix == CARL9170_TX_MAX_RETRY_RATES))
- return false;
-
- /* check if there are alternative rates available */
- if (!super->s.rr[super->s.rix].set)
- return false;
-
- /* try next retry rate */
- super->f.hdr.phy.set = super->s.rr[super->s.rix].set;
-
- /* finally - mark the old rate as USED */
- super->s.rix++;
-
- /* update MAC flags */
- super->f.hdr.mac.erp_prot = super->s.ri[super->s.rix].erp_prot;
- super->f.hdr.mac.ampdu = super->s.ri[super->s.rix].ampdu;
-
- /* reinitialize try counter */
- super->s.cnt = 1;
- } else {
- /* just increase retry counter */
- super->s.cnt++;
- }
-
- return true;
-}
-
-static inline u16 get_tid(struct ieee80211_hdr *hdr)
-{
- return (ieee80211_get_qos_ctl(hdr))[0] & IEEE80211_QOS_CTL_TID_MASK;
-}
-
-/* This function will only work on uint32_t-aligned pointers! */
-static bool same_hdr(const void *_d0, const void *_d1)
-{
- const uint32_t *d0 = _d0;
- const uint32_t *d1 = _d1;
-
- /* BUG_ON((unsigned long)d0 & 3 || (unsigned long)d1 & 3)) */
- return !((d0[0] ^ d1[0]) | /* FC + DU */
- (d0[1] ^ d1[1]) | /* addr1 */
- (d0[2] ^ d1[2]) | (d0[3] ^ d1[3]) | /* addr2 + addr3 */
- (d0[4] ^ d1[4])); /* addr3 */
-}
-
-static inline bool same_aggr(struct ieee80211_hdr *a, struct ieee80211_hdr *b)
-{
- return (get_tid(a) == get_tid(b)) || same_hdr(a, b);
-}
-
-static void wlan_tx_ampdu_reset(unsigned int qidx)
-{
- fw.wlan.ampdu_prev[qidx] = NULL;
-}
-
-static void wlan_tx_ampdu_end(unsigned int qidx)
-{
- struct carl9170_tx_superframe *ht_prev = fw.wlan.ampdu_prev[qidx];
-
- if (ht_prev)
- ht_prev->f.hdr.mac.ba_end = 1;
-
- wlan_tx_ampdu_reset(qidx);
-}
-
-static void wlan_tx_ampdu(struct carl9170_tx_superframe *super)
-{
- unsigned int qidx = super->s.queue;
- struct carl9170_tx_superframe *ht_prev = fw.wlan.ampdu_prev[qidx];
-
- if (super->f.hdr.mac.ampdu) {
- if (ht_prev &&
- !same_aggr(&super->f.data.i3e, &ht_prev->f.data.i3e))
- ht_prev->f.hdr.mac.ba_end = 1;
- else
- super->f.hdr.mac.ba_end = 0;
-
- fw.wlan.ampdu_prev[qidx] = super;
- } else {
- wlan_tx_ampdu_end(qidx);
- }
-}
-
-/* for all tries */
-static void __wlan_tx(struct dma_desc *desc)
-{
- struct carl9170_tx_superframe *super = get_super(desc);
-
- if (unlikely(super->s.fill_in_tsf)) {
- struct ieee80211_mgmt *mgmt = (void *) &super->f.data.i3e;
- uint32_t *tsf = (uint32_t *) &mgmt->u.probe_resp.timestamp;
-
- /*
- * Truth be told: this is a hack.
- *
- * The *real* TSF is definitely going to be higher/older.
- * But this hardware emulation code is head and shoulders
- * above anything a driver can possibly do.
- *
- * (even, if it's got an accurate atomic clock source).
- */
-
- read_tsf(tsf);
- }
-
- wlan_tx_ampdu(super);
-
-#ifdef CONFIG_CARL9170FW_DEBUG
- BUG_ON(fw.phy.psm.state != CARL9170_PSM_WAKE);
-#endif /* CONFIG_CARL9170FW_DEBUG */
-
- /* insert desc into the right queue */
- dma_put(&fw.wlan.tx_queue[super->s.queue], desc);
-}
-
-static void wlan_assign_seq(struct ieee80211_hdr *hdr, unsigned int vif)
-{
- hdr->seq_ctrl &= cpu_to_le16(~IEEE80211_SCTL_SEQ);
- hdr->seq_ctrl |= cpu_to_le16(fw.wlan.sequence[vif]);
-
- if (ieee80211_is_first_frag(hdr->seq_ctrl))
- fw.wlan.sequence[vif] += 0x10;
-}
-
-/* prepares frame for the first transmission */
-static void _wlan_tx(struct dma_desc *desc)
-{
- struct carl9170_tx_superframe *super = get_super(desc);
-
- if (unlikely(super->s.assign_seq))
- wlan_assign_seq(&super->f.data.i3e, super->s.vif_id);
-
- if (unlikely(super->s.ampdu_commit_density)) {
- set(AR9170_MAC_REG_AMPDU_DENSITY,
- MOD_VAL(AR9170_MAC_AMPDU_DENSITY,
- get(AR9170_MAC_REG_AMPDU_DENSITY),
- super->s.ampdu_density));
- }
-
- if (unlikely(super->s.ampdu_commit_factor)) {
- set(AR9170_MAC_REG_AMPDU_FACTOR,
- MOD_VAL(AR9170_MAC_AMPDU_FACTOR,
- get(AR9170_MAC_REG_AMPDU_FACTOR),
- 8 << super->s.ampdu_factor));
- }
-}
-
-/* propagate transmission status back to the driver */
-static bool wlan_tx_status(struct dma_queue *queue,
- struct dma_desc *desc)
-{
- struct carl9170_tx_superframe *super = get_super(desc);
- unsigned int qidx = super->s.queue;
- bool txfail = false, success;
-
- success = true;
-
- /* update hangcheck */
- fw.wlan.last_super_num[qidx] = 0;
-
- /*
- * Note:
- * There could be a corner case when the TXFAIL is set
- * even though the frame was properly ACKed by the peer:
- * a BlockAckReq with the immediate policy will cause
- * the receiving peer to produce a BlockACK unfortunately
- * the MAC in this chip seems to be expecting a legacy
- * ACK and marks the BAR as failed!
- */
-
- if (!!(desc->ctrl & AR9170_CTRL_FAIL)) {
- txfail = !!(desc->ctrl & AR9170_CTRL_TXFAIL);
-
- /* reset retry indicator flags */
- desc->ctrl &= ~(AR9170_CTRL_TXFAIL | AR9170_CTRL_BAFAIL);
-
- /*
- * Note: wlan_tx_consume_retry will override the old
- * phy [CCK,OFDM, HT, BW20/40, MCS...] and mac vectors
- * [AMPDU,RTS/CTS,...] therefore be careful when they
- * are used.
- */
- if (wlan_tx_consume_retry(super)) {
- /*
- * retry for simple and aggregated 802.11 frames.
- *
- * Note: We must not mess up the original frame
- * order.
- */
-
- if (!super->f.hdr.mac.ampdu) {
- /*
- * 802.11 - 7.1.3.1.5.
- * set "Retry Field" for consecutive attempts
- *
- * Note: For AMPDU see:
- * 802.11n 9.9.1.6 "Retransmit Procedures"
- */
- super->f.data.i3e.frame_control |=
- cpu_to_le16(IEEE80211_FCTL_RETRY);
- }
-
- if (txfail) {
- /* Normal TX Failure */
-
- /* demise descriptor ownership back to the hardware */
- dma_rearm(desc);
-
- /*
- * And this will get the queue going again.
- * To understand why: you have to get the HW
- * specs... But sadly I never saw them.
- */
- wlan_txunstuck(qidx);
-
- /* abort cycle - this is necessary due to HW design */
- return false;
- } else {
- /* (HT-) BlockACK failure */
-
- /*
- * Unlink the failed attempt and put it into
- * the retry queue. The caller routine must
- * be aware of this so the frames don't get lost.
- */
-
-#ifndef CONFIG_CARL9170FW_DEBUG
- dma_unlink_head(queue);
-#else /* CONFIG_CARL9170FW_DEBUG */
- BUG_ON(dma_unlink_head(queue) != desc);
-#endif /* CONFIG_CARL9170FW_DEBUG */
- dma_put(&fw.wlan.tx_retry, desc);
- return true;
- }
- } else {
- /* out of frame attempts - discard frame */
- success = false;
- }
- }
-
-#ifndef CONFIG_CARL9170FW_DEBUG
- dma_unlink_head(queue);
-#else /* CONFIG_CARL9170FW_DEBUG */
- BUG_ON(dma_unlink_head(queue) != desc);
-#endif /* CONFIG_CARL9170FW_DEBUG */
- if (txfail) {
- /*
- * Issue the queue bump,
- * We need to do this in case this was the frame's last
- * possible retry attempt and it unfortunately: it failed.
- */
-
- wlan_txunstuck(qidx);
- }
-
- unhide_super(desc);
-
- if (unlikely(super == fw.wlan.fw_desc_data)) {
- fw.wlan.fw_desc = desc;
- fw.wlan.fw_desc_available = 1;
-
- if (fw.wlan.fw_desc_callback)
- fw.wlan.fw_desc_callback(super, success);
-
- return true;
- }
-
-#ifdef CONFIG_CARL9170FW_CAB_QUEUE
- if (unlikely(super->s.cab))
- fw.wlan.cab_queue_len[super->s.vif_id]--;
-#endif /* CONFIG_CARL9170FW_CAB_QUEUE */
-
- wlan_tx_complete(super, success);
-
- if (ieee80211_is_back_req(super->f.data.i3e.frame_control)) {
- fw.wlan.queued_bar--;
- }
-
- /* recycle freed descriptors */
- dma_reclaim(&fw.pta.down_queue, desc);
- down_trigger();
- return true;
-}
-
-static void handle_tx_completion(void)
-{
- struct dma_desc *desc;
- int i;
-
- for (i = AR9170_TXQ_SPECIAL; i >= AR9170_TXQ0; i--) {
- __while_desc_bits(desc, &fw.wlan.tx_queue[i], AR9170_OWN_BITS_SW) {
- if (!wlan_tx_status(&fw.wlan.tx_queue[i], desc)) {
- /* termination requested. */
- break;
- }
- }
-
- wlan_tx_ampdu_reset(i);
-
- for_each_desc(desc, &fw.wlan.tx_retry)
- __wlan_tx(desc);
-
- wlan_tx_ampdu_end(i);
- if (!queue_empty(&fw.wlan.tx_queue[i]))
- wlan_trigger(BIT(i));
- }
-}
-
-void __hot wlan_tx(struct dma_desc *desc)
-{
- struct carl9170_tx_superframe *super = DESC_PAYLOAD(desc);
-
- if (ieee80211_is_back_req(super->f.data.i3e.frame_control)) {
- fw.wlan.queued_bar++;
- }
-
- /* initialize rate control struct */
- super->s.rix = 0;
- super->s.cnt = 1;
- hide_super(desc);
-
-#ifdef CONFIG_CARL9170FW_CAB_QUEUE
- if (unlikely(super->s.cab)) {
- fw.wlan.cab_queue_len[super->s.vif_id]++;
- dma_put(&fw.wlan.cab_queue[super->s.vif_id], desc);
- return;
- }
-#endif /* CONFIG_CARL9170FW_CAB_QUEUE */
-
- _wlan_tx(desc);
- __wlan_tx(desc);
- wlan_trigger(BIT(super->s.queue));
-}
-
-void wlan_tx_fw(struct carl9170_tx_superdesc *super, fw_desc_callback_t cb)
-{
- if (!fw.wlan.fw_desc_available)
- return;
-
- fw.wlan.fw_desc_available = 0;
-
- /* Format BlockAck */
- fw.wlan.fw_desc->ctrl = AR9170_CTRL_FS_BIT | AR9170_CTRL_LS_BIT;
- fw.wlan.fw_desc->status = AR9170_OWN_BITS_SW;
-
- fw.wlan.fw_desc->totalLen = fw.wlan.fw_desc->dataSize = super->len;
- fw.wlan.fw_desc_data = fw.wlan.fw_desc->dataAddr = super;
- fw.wlan.fw_desc->nextAddr = fw.wlan.fw_desc->lastAddr =
- fw.wlan.fw_desc;
- fw.wlan.fw_desc_callback = cb;
- wlan_tx(fw.wlan.fw_desc);
-}
-
-static void wlan_send_buffered_ba(void)
-{
- struct carl9170_tx_ba_superframe *baf = &dma_mem.reserved.ba.ba;
- struct ieee80211_ba *ba = (struct ieee80211_ba *) &baf->f.ba;
- struct carl9170_bar_ctx *ctx;
-
- if (likely(!fw.wlan.queued_ba))
- return;
-
- /* there's no point to continue when the ba_desc is not available. */
- if (!fw.wlan.fw_desc_available)
- return;
-
- ctx = &fw.wlan.ba_cache[fw.wlan.ba_head_idx];
- fw.wlan.ba_head_idx++;
- fw.wlan.ba_head_idx %= CONFIG_CARL9170FW_BACK_REQS_NUM;
- fw.wlan.queued_ba--;
-
- baf->s.len = sizeof(struct carl9170_tx_superdesc) +
- sizeof(struct ar9170_tx_hwdesc) +
- sizeof(struct ieee80211_ba);
- baf->s.ri[0].tries = 1;
- baf->s.cookie = 0;
- baf->s.queue = AR9170_TXQ_VO;
- baf->f.hdr.length = sizeof(struct ieee80211_ba) + FCS_LEN;
-
- baf->f.hdr.mac.no_ack = 1;
-
- baf->f.hdr.phy.modulation = 1; /* OFDM */
- baf->f.hdr.phy.tx_power = 34; /* 17 dBm */
- baf->f.hdr.phy.chains = 1;
- baf->f.hdr.phy.mcs = AR9170_TXRX_PHY_RATE_OFDM_6M;
-
- /* format outgoing BA */
- ba->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
- ba->duration = cpu_to_le16(0);
-
- /* the BAR contains all necessary MACs. All we need is to swap them */
- memcpy(ba->ra, ctx->ta, 6);
- memcpy(ba->ta, ctx->ra, 6);
-
- /*
- * Unfortunately, we cannot look into the hardware's scoreboard.
- * Therefore we have to proceed as described in 802.11n 9.10.7.5
- * and send a null BlockAck.
- */
- memset(ba->bitmap, 0x0, sizeof(ba->bitmap));
-
- /*
- * Both, the original firmare and ath9k set the NO ACK flag in
- * the BA Ack Policy subfield.
- */
- ba->control = ctx->control | cpu_to_le16(1);
- ba->start_seq_num = ctx->start_seq_num;
- wlan_tx_fw(&baf->s, NULL);
-}
-
-static struct carl9170_bar_ctx *wlan_get_bar_cache_buffer(void)
-{
- struct carl9170_bar_ctx *tmp;
-
- tmp = &fw.wlan.ba_cache[fw.wlan.ba_tail_idx];
- fw.wlan.ba_tail_idx++;
- fw.wlan.ba_tail_idx %= CONFIG_CARL9170FW_BACK_REQS_NUM;
- if (fw.wlan.queued_ba < CONFIG_CARL9170FW_BACK_REQS_NUM)
- fw.wlan.queued_ba++;
-
- return tmp;
-}
-
-static void handle_bar(struct dma_desc *desc __unused, struct ieee80211_hdr *hdr,
- unsigned int len, unsigned int mac_err)
-{
- struct ieee80211_bar *bar;
- struct carl9170_bar_ctx *ctx;
-
- if (unlikely(mac_err)) {
- /*
- * This check does a number of things:
- * 1. checks if the frame is in good nick
- * 2. checks if the RA (MAC) matches
- */
- return ;
- }
-
- if (unlikely(len < (sizeof(struct ieee80211_bar) + FCS_LEN))) {
- /*
- * Sneaky, corrupted BARs... but not with us!
- */
-
- return ;
- }
-
- bar = (void *) hdr;
-
- if ((bar->control & cpu_to_le16(IEEE80211_BAR_CTRL_MULTI_TID)) ||
- !(bar->control & cpu_to_le16(IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA))) {
- /* not implemented yet */
-
- return ;
- }
-
- ctx = wlan_get_bar_cache_buffer();
-
- memcpy(ctx->ra, bar->ra, 6);
- memcpy(ctx->ta, bar->ta, 6);
- ctx->control = bar->control;
- ctx->start_seq_num = bar->start_seq_num;
-}
-
-static void wlan_check_rx_overrun(void)
-{
- uint32_t overruns, total;
-
- fw.tally.rx_total += total = get(AR9170_MAC_REG_RX_TOTAL);
- fw.tally.rx_overrun += overruns = get(AR9170_MAC_REG_RX_OVERRUN);
- if (unlikely(overruns)) {
- if (overruns == total) {
- DBG("RX Overrun");
- fw.wlan.mac_reset++;
- }
-
- wlan_trigger(AR9170_DMA_TRIGGER_RXQ);
- }
-}
-
-static unsigned int wlan_rx_filter(struct dma_desc *desc)
-{
- struct ieee80211_hdr *hdr;
- unsigned int data_len;
- unsigned int rx_filter;
- unsigned int mac_err;
-
- data_len = ar9170_get_rx_mpdu_len(desc);
- mac_err = ar9170_get_rx_macstatus_error(desc);
-
-#define AR9170_RX_ERROR_BAD (AR9170_RX_ERROR_FCS | AR9170_RX_ERROR_PLCP)
-
- if (unlikely(data_len < (4 + 6 + FCS_LEN) ||
- desc->totalLen > CONFIG_CARL9170FW_RX_FRAME_LEN) ||
- mac_err & AR9170_RX_ERROR_BAD) {
- /*
- * This frame is too damaged to do anything
- * useful with it.
- */
-
- return CARL9170_RX_FILTER_BAD;
- }
-
- rx_filter = 0;
- if (mac_err & AR9170_RX_ERROR_WRONG_RA)
- rx_filter |= CARL9170_RX_FILTER_OTHER_RA;
-
- if (mac_err & AR9170_RX_ERROR_DECRYPT)
- rx_filter |= CARL9170_RX_FILTER_DECRY_FAIL;
-
- hdr = ar9170_get_rx_i3e(desc);
- if (likely(ieee80211_is_data(hdr->frame_control))) {
- rx_filter |= CARL9170_RX_FILTER_DATA;
- } else if (ieee80211_is_ctl(hdr->frame_control)) {
- switch (le16_to_cpu(hdr->frame_control) & IEEE80211_FCTL_STYPE) {
- case IEEE80211_STYPE_BACK_REQ:
- handle_bar(desc, hdr, data_len, mac_err);
- rx_filter |= CARL9170_RX_FILTER_CTL_BACKR;
- break;
- case IEEE80211_STYPE_PSPOLL:
- rx_filter |= CARL9170_RX_FILTER_CTL_PSPOLL;
- break;
- case IEEE80211_STYPE_BACK:
- if (fw.wlan.queued_bar) {
- /*
- * Don't filter block acks when the application
- * has queued BARs. This is because the firmware
- * can't do the accouting and the application
- * has to sort out if the BA belongs to any BARs.
- */
- break;
- }
- /* otherwise fall through */
- default:
- rx_filter |= CARL9170_RX_FILTER_CTL_OTHER;
- break;
- }
- } else {
- /* ieee80211_is_mgmt */
- rx_filter |= CARL9170_RX_FILTER_MGMT;
- }
-
- if (unlikely(fw.suspend_mode == CARL9170_HOST_SUSPENDED)) {
- wol_rx(rx_filter, hdr, min(data_len,
- (unsigned int)AR9170_BLOCK_SIZE));
- }
-
-#undef AR9170_RX_ERROR_BAD
-
- return rx_filter;
-}
-
-static void handle_rx(void)
-{
- struct dma_desc *desc;
-
- for_each_desc_not_bits(desc, &fw.wlan.rx_queue, AR9170_OWN_BITS_HW) {
- if (!(wlan_rx_filter(desc) & fw.wlan.rx_filter)) {
- dma_put(&fw.pta.up_queue, desc);
- up_trigger();
- } else {
- dma_reclaim(&fw.wlan.rx_queue, desc);
- wlan_trigger(AR9170_DMA_TRIGGER_RXQ);
- }
- }
-}
-
-#ifdef CONFIG_CARL9170FW_CAB_QUEUE
-void wlan_cab_flush_queue(const unsigned int vif)
-{
- struct dma_queue *cab_queue = &fw.wlan.cab_queue[vif];
- struct dma_desc *desc;
-
- /* move queued frames into the main tx queues */
- for_each_desc(desc, cab_queue) {
- struct carl9170_tx_superframe *super = get_super(desc);
- if (!queue_empty(cab_queue)) {
- /*
- * Set MOREDATA flag for all,
- * but the last queued frame.
- * see: 802.11-2007 11.2.1.5 f)
- *
- * This is actually the reason to why
- * we need to prevent the reentry.
- */
-
- super->f.data.i3e.frame_control |=
- cpu_to_le16(IEEE80211_FCTL_MOREDATA);
- } else {
- super->f.data.i3e.frame_control &=
- cpu_to_le16(~IEEE80211_FCTL_MOREDATA);
- }
-
- /* ready to roll! */
- _wlan_tx(desc);
- __wlan_tx(desc);
- wlan_trigger(BIT(super->s.queue));
- }
-}
-
-static uint8_t *beacon_find_ie(uint8_t ie, void *addr,
- const unsigned int len)
-{
- struct ieee80211_mgmt *mgmt = addr;
- uint8_t *pos, *end;
-
- pos = mgmt->u.beacon.variable;
- end = (uint8_t *) ((unsigned long)mgmt + (len - FCS_LEN));
- while (pos < end) {
- if (pos + 2 + pos[1] > end)
- return NULL;
-
- if (pos[0] == ie)
- return pos;
-
- pos += pos[1] + 2;
- }
-
- return NULL;
-}
-
-void wlan_modify_beacon(const unsigned int vif,
- const unsigned int addr, const unsigned int len)
-{
- uint8_t *_ie;
- struct ieee80211_tim_ie *ie;
-
- _ie = beacon_find_ie(WLAN_EID_TIM, (void *)addr, len);
- if (likely(_ie)) {
- ie = (struct ieee80211_tim_ie *) &_ie[2];
-
- if (!queue_empty(&fw.wlan.cab_queue[vif]) && (ie->dtim_count == 0)) {
- /* schedule DTIM transfer */
- fw.wlan.cab_flush_trigger[vif] = CARL9170_CAB_TRIGGER_ARMED;
- } else if ((fw.wlan.cab_queue_len[vif] == 0) && (fw.wlan.cab_flush_trigger[vif])) {
- /* undo all chances to the beacon structure */
- ie->bitmap_ctrl &= ~0x1;
- fw.wlan.cab_flush_trigger[vif] = CARL9170_CAB_TRIGGER_EMPTY;
- }
-
- /* Triggered by CARL9170_CAB_TRIGGER_ARMED || CARL9170_CAB_TRIGGER_DEFER */
- if (fw.wlan.cab_flush_trigger[vif]) {
- /* Set the almighty Multicast Traffic Indication Bit. */
- ie->bitmap_ctrl |= 0x1;
- }
- }
-
- /*
- * Ideally, the sequence number should be assigned by the TX arbiter
- * hardware. But AFAIK that's not possible, so we have to go for the
- * next best thing and write it into the beacon fifo during the open
- * beacon update window.
- */
-
- wlan_assign_seq((struct ieee80211_hdr *)addr, vif);
-}
-
-static void wlan_send_buffered_cab(void)
-{
- unsigned int i;
-
- for (i = 0; i < CARL9170_INTF_NUM; i++) {
- if (unlikely(fw.wlan.cab_flush_trigger[i] == CARL9170_CAB_TRIGGER_ARMED)) {
- /*
- * This is hardcoded into carl9170usb driver.
- *
- * The driver must set the PRETBTT event to beacon_interval -
- * CARL9170_PRETBTT_KUS (usually 6) Kus.
- *
- * But still, we can only do so much about 802.11-2007 9.3.2.1 &
- * 11.2.1.6. Let's hope the current solution is adequate enough.
- */
-
- if (is_after_msecs(fw.wlan.cab_flush_time, (CARL9170_TBTT_DELTA))) {
- wlan_cab_flush_queue(i);
-
- /*
- * This prevents the code from sending new BC/MC frames
- * which were queued after the previous buffered traffic
- * has been sent out... They will have to wait until the
- * next DTIM beacon comes along.
- */
- fw.wlan.cab_flush_trigger[i] = CARL9170_CAB_TRIGGER_DEFER;
- }
- }
-
- }
-}
-#endif /* CONFIG_CARL9170FW_CAB_QUEUE */
-
-static void handle_beacon_config(void)
-{
- uint32_t bcn_count;
-
- bcn_count = get(AR9170_MAC_REG_BCN_COUNT);
- send_cmd_to_host(4, CARL9170_RSP_BEACON_CONFIG, 0x00,
- (uint8_t *) &bcn_count);
-}
-
-static void handle_pretbtt(void)
-{
-#ifdef CONFIG_CARL9170FW_CAB_QUEUE
- fw.wlan.cab_flush_time = get_clock_counter();
-#endif /* CONFIG_CARL9170FW_CAB_QUEUE */
-
-#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS
- rf_psm();
-
- send_cmd_to_host(4, CARL9170_RSP_PRETBTT, 0x00,
- (uint8_t *) &fw.phy.psm.state);
-#endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */
-}
-
-static void handle_atim(void)
-{
- send_cmd_to_host(0, CARL9170_RSP_ATIM, 0x00, NULL);
-}
-
-#ifdef CONFIG_CARL9170FW_DEBUG
-static void handle_qos(void)
-{
- /*
- * What is the QoS Bit used for?
- * Is it only an indicator for TXOP & Burst, or
- * should we do something here?
- */
-}
-
-static void handle_radar(void)
-{
- send_cmd_to_host(0, CARL9170_RSP_RADAR, 0x00, NULL);
-}
-#endif /* CONFIG_CARL9170FW_DEBUG */
-
-static void wlan_janitor(void)
-{
-#ifdef CONFIG_CARL9170FW_CAB_QUEUE
- wlan_send_buffered_cab();
-#endif /* CONFIG_CARL9170FW_CAB_QUEUE */
-
- wlan_send_buffered_tx_status();
-
- wlan_send_buffered_ba();
-
- wol_janitor();
-}
-
-void handle_wlan(void)
-{
- uint32_t intr;
-
- intr = get(AR9170_MAC_REG_INT_CTRL);
- /* ACK Interrupt */
- set(AR9170_MAC_REG_INT_CTRL, intr);
-
-#define HANDLER(intr, flag, func) \
- do { \
- if ((intr & flag) != 0) { \
- func(); \
- } \
- } while (0)
-
- intr |= fw.wlan.soft_int;
- fw.wlan.soft_int = 0;
-
- HANDLER(intr, AR9170_MAC_INT_PRETBTT, handle_pretbtt);
-
- HANDLER(intr, AR9170_MAC_INT_ATIM, handle_atim);
-
- HANDLER(intr, AR9170_MAC_INT_RXC, handle_rx);
-
- HANDLER(intr, (AR9170_MAC_INT_TXC | AR9170_MAC_INT_RETRY_FAIL),
- handle_tx_completion);
-
-#ifdef CONFIG_CARL9170FW_DEBUG
- HANDLER(intr, AR9170_MAC_INT_QOS, handle_qos);
-
- HANDLER(intr, AR9170_MAC_INT_RADAR, handle_radar);
-#endif /* CONFIG_CARL9170FW_DEBUG */
-
- HANDLER(intr, AR9170_MAC_INT_CFG_BCN, handle_beacon_config);
-
- if (unlikely(intr))
- DBG("Unhandled Interrupt %x\n", (unsigned int) intr);
-
- wlan_janitor();
-
-#undef HANDLER
-}
-
-enum {
- CARL9170FW_TX_MAC_BUMP = 4,
- CARL9170FW_TX_MAC_DEBUG = 6,
- CARL9170FW_TX_MAC_RESET = 7,
-};
-
-static void wlan_check_hang(void)
-{
- struct dma_desc *desc;
- int i;
-
- for (i = AR9170_TXQ_SPECIAL; i >= AR9170_TXQ0; i--) {
- if (queue_empty(&fw.wlan.tx_queue[i])) {
- /* Nothing to do here... move along */
- continue;
- }
-
- /* fetch the current DMA queue position */
- desc = (struct dma_desc *)get_wlan_txq_addr(i);
-
- /* Stuck frame detection */
- if (unlikely(DESC_PAYLOAD(desc) == fw.wlan.last_super[i])) {
- fw.wlan.last_super_num[i]++;
-
- if (unlikely(fw.wlan.last_super_num[i] >= CARL9170FW_TX_MAC_RESET)) {
- /*
- * schedule MAC reset (aka OFF/ON => dead)
- *
- * This will almost certainly kill
- * the device for good, but it's the
- * recommended thing to do...
- */
-
- fw.wlan.mac_reset++;
- }
-
-#ifdef CONFIG_CARL9170FW_DEBUG
- if (unlikely(fw.wlan.last_super_num[i] >= CARL9170FW_TX_MAC_DEBUG)) {
- /*
- * Sigh, the queue is almost certainly
- * dead. Dump the queue content to the
- * user, maybe we find out why it got
- * so stuck.
- */
-
- wlan_dump_queue(i);
- }
-#endif /* CONFIG_CARL9170FW_DEBUG */
-
-#ifdef CONFIG_CARL9170FW_DMA_QUEUE_BUMP
- if (unlikely(fw.wlan.last_super_num[i] >= CARL9170FW_TX_MAC_BUMP)) {
- /*
- * Hrrm, bump the queue a bit.
- * maybe this will get it going again.
- */
-
- wlan_dma_bump(i);
- wlan_trigger(BIT(i));
- }
-#endif /* CONFIG_CARL9170FW_DMA_QUEUE_BUMP */
- } else {
- /* Nothing stuck */
- fw.wlan.last_super[i] = DESC_PAYLOAD(desc);
- fw.wlan.last_super_num[i] = 0;
- }
- }
-}
-
-#ifdef CONFIG_CARL9170FW_FW_MAC_RESET
-/*
- * NB: Resetting the MAC is a two-edged sword.
- * On most occasions, it does what it is supposed to do.
- * But there is a chance that this will make it
- * even worse and the radio dies silently.
- */
-static void wlan_mac_reset(void)
-{
- uint32_t val;
- uint32_t agg_wait_counter;
- uint32_t agg_density;
- uint32_t bcn_start_addr;
- uint32_t rctl, rcth;
- uint32_t cam_mode;
- uint32_t ack_power;
- uint32_t rts_cts_tpc;
- uint32_t rts_cts_rate;
- int i;
-
-#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS
- uint32_t rx_BB;
-#endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */
-
-#ifdef CONFIG_CARL9170FW_NOISY_MAC_RESET
- INFO("MAC RESET");
-#endif /* CONFIG_CARL9170FW_NOISY_MAC_RESET */
-
- /* Save aggregation parameters */
- agg_wait_counter = get(AR9170_MAC_REG_AMPDU_FACTOR);
- agg_density = get(AR9170_MAC_REG_AMPDU_DENSITY);
-
- bcn_start_addr = get(AR9170_MAC_REG_BCN_ADDR);
-
- cam_mode = get(AR9170_MAC_REG_CAM_MODE);
- rctl = get(AR9170_MAC_REG_CAM_ROLL_CALL_TBL_L);
- rcth = get(AR9170_MAC_REG_CAM_ROLL_CALL_TBL_H);
-
- ack_power = get(AR9170_MAC_REG_ACK_TPC);
- rts_cts_tpc = get(AR9170_MAC_REG_RTS_CTS_TPC);
- rts_cts_rate = get(AR9170_MAC_REG_RTS_CTS_RATE);
-
-#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS
- /* 0x1c8960 write only */
- rx_BB = get(AR9170_PHY_REG_SWITCH_CHAIN_0);
-#endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */
-
- /* TX/RX must be stopped by now */
- val = get(AR9170_MAC_REG_POWER_STATE_CTRL);
-
- val |= AR9170_MAC_POWER_STATE_CTRL_RESET;
-
- /*
- * Manipulate CCA threshold to stop transmission
- *
- * set(AR9170_PHY_REG_CCA_THRESHOLD, 0x300);
- */
-
- /*
- * check Rx state in 0(idle) 9(disable)
- *
- * chState = (get(AR9170_MAC_REG_MISC_684) >> 16) & 0xf;
- * while( (chState != 0) && (chState != 9)) {
- * chState = (get(AR9170_MAC_REG_MISC_684) >> 16) & 0xf;
- * }
- */
-
- set(AR9170_MAC_REG_POWER_STATE_CTRL, val);
-
- delay(2);
-
- /* Restore aggregation parameters */
- set(AR9170_MAC_REG_AMPDU_FACTOR, agg_wait_counter);
- set(AR9170_MAC_REG_AMPDU_DENSITY, agg_density);
-
- set(AR9170_MAC_REG_BCN_ADDR, bcn_start_addr);
- set(AR9170_MAC_REG_CAM_MODE, cam_mode);
- set(AR9170_MAC_REG_CAM_ROLL_CALL_TBL_L, rctl);
- set(AR9170_MAC_REG_CAM_ROLL_CALL_TBL_H, rcth);
-
- set(AR9170_MAC_REG_RTS_CTS_TPC, rts_cts_tpc);
- set(AR9170_MAC_REG_ACK_TPC, ack_power);
- set(AR9170_MAC_REG_RTS_CTS_RATE, rts_cts_rate);
-
-#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS
- set(AR9170_PHY_REG_SWITCH_CHAIN_2, rx_BB);
-#endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */
-
- /*
- * Manipulate CCA threshold to resume transmission
- *
- * set(AR9170_PHY_REG_CCA_THRESHOLD, 0x0);
- */
-
- val = AR9170_DMA_TRIGGER_RXQ;
- /* Reinitialize all WLAN TX DMA queues. */
- for (i = AR9170_TXQ_SPECIAL; i >= AR9170_TXQ0; i--) {
- struct dma_desc *iter;
-
- __for_each_desc_bits(iter, &fw.wlan.tx_queue[i], AR9170_OWN_BITS_SW);
-
- /* kill the stuck frame */
- if (!is_terminator(&fw.wlan.tx_queue[i], iter) &&
- fw.wlan.last_super_num[i] >= CARL9170FW_TX_MAC_RESET &&
- fw.wlan.last_super[i] == DESC_PAYLOAD(iter)) {
- struct carl9170_tx_superframe *super = get_super(iter);
-
- iter->status = AR9170_OWN_BITS_SW;
- /*
- * Mark the frame as failed.
- * The BAFAIL flag allows the frame to sail through
- * wlan_tx_status without much "unstuck" trouble.
- */
- iter->ctrl &= ~(AR9170_CTRL_FAIL);
- iter->ctrl |= AR9170_CTRL_BAFAIL;
-
- super->s.cnt = CARL9170_TX_MAX_RATE_TRIES;
- super->s.rix = CARL9170_TX_MAX_RETRY_RATES;
-
- fw.wlan.last_super_num[i] = 0;
- fw.wlan.last_super[i] = NULL;
- iter = iter->lastAddr->nextAddr;
- }
-
- set_wlan_txq_dma_addr(i, (uint32_t) iter);
- if (!is_terminator(&fw.wlan.tx_queue[i], iter))
- val |= BIT(i);
-
- DBG("Q:%d l:%d h:%p t:%p cu:%p it:%p ct:%x st:%x\n", i, queue_len(&fw.wlan.tx_queue[i]),
- fw.wlan.tx_queue[i].head, fw.wlan.tx_queue[i].terminator,
- get_wlan_txq_addr(i), iter, iter->ctrl, iter->status);
- }
-
- fw.wlan.soft_int |= AR9170_MAC_INT_RXC | AR9170_MAC_INT_TXC |
- AR9170_MAC_INT_RETRY_FAIL;
-
- set(AR9170_MAC_REG_DMA_RXQ_ADDR, (uint32_t) fw.wlan.rx_queue.head);
- wlan_trigger(val);
-}
-#else
-static void wlan_mac_reset(void)
-{
- /* The driver takes care of reinitializing the device */
- BUG("MAC RESET");
-}
-#endif /* CONFIG_CARL9170FW_FW_MAC_RESET */
-
-void __cold wlan_timer(void)
-{
- unsigned int cached_mac_reset;
-
- cached_mac_reset = fw.wlan.mac_reset;
-
- /* TX Queue Hang check */
- wlan_check_hang();
-
- /* RX Overrun check */
- wlan_check_rx_overrun();
-
- if (unlikely(fw.wlan.mac_reset >= CARL9170_MAC_RESET_RESET)) {
- wlan_mac_reset();
- fw.wlan.mac_reset = CARL9170_MAC_RESET_OFF;
- } else {
- if (fw.wlan.mac_reset && cached_mac_reset == fw.wlan.mac_reset)
- fw.wlan.mac_reset--;
- }
-}
diff --git a/carl9170fw/carlfw/src/wol.c b/carl9170fw/carlfw/src/wol.c
deleted file mode 100644
index 7afb8e5..0000000
--- a/carl9170fw/carlfw/src/wol.c
+++ /dev/null
@@ -1,287 +0,0 @@
-/*
- * carl9170 firmware - used by the ar9170 wireless device
- *
- * WakeUp on WLAN functions
- *
- * Copyright 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 "timer.h"
-#include "wl.h"
-#include "printf.h"
-#include "rf.h"
-#include "wol.h"
-#include "linux/ieee80211.h"
-
-#ifdef CONFIG_CARL9170FW_WOL
-
-void wol_cmd(const struct carl9170_wol_cmd *cmd)
-{
- memcpy(&fw.wol.cmd, cmd, sizeof(cmd));
-}
-
-void wol_prepare(void)
-{
- /* set MAC filter */
- memcpy((void *)AR9170_MAC_REG_MAC_ADDR_L, fw.wol.cmd.mac, 6);
- memcpy((void *)AR9170_MAC_REG_BSSID_L, fw.wol.cmd.bssid, 6);
- set(AR9170_MAC_REG_RX_CONTROL, AR9170_MAC_RX_CTRL_DEAGG);
-
- /* set filter policy to: discard everything */
- fw.wlan.rx_filter = CARL9170_RX_FILTER_EVERYTHING;
-
- /* reenable rx dma */
- wlan_trigger(AR9170_DMA_TRIGGER_RXQ);
-
- /* initialize the last_beacon timer */
- fw.wol.last_null = fw.wol.last_beacon = get_clock_counter();
-}
-
-#ifdef CONFIG_CARL9170FW_WOL_NL80211_TRIGGERS
-static bool wlan_rx_wol_magic_packet(const struct ieee80211_hdr *hdr, const unsigned int len)
-{
- const unsigned char *data, *end, *mac;
- unsigned int found = 0;
-
- /*
- * LIMITATION:
- * We can only scan the first AR9170_BLOCK_SIZE [=~320] bytes
- * for MAGIC patterns!
- */
-
- mac = (const unsigned char *) AR9170_MAC_REG_MAC_ADDR_L;
-
- data = (u8 *)((unsigned long)hdr + ieee80211_hdrlen(hdr->frame_control));
- end = (u8 *)((unsigned long)hdr + len);
-
- /*
- * scan for standard WOL Magic frame
- *
- * "A physical WakeOnLAN (Magic Packet) will look like this:
- * ---------------------------------------------------------------
- * | Synchronization Stream | Target MAC | Password (optional) |
- * | 6 octets | 96 octets | 0, 4 or 6 |
- * ---------------------------------------------------------------
- *
- * The Synchronization Stream is defined as 6 bytes of FFh.
- * The Target MAC block contains 16 duplications of the IEEEaddress
- * of the target, with no breaks or interruptions.
- *
- * The Password field is optional, but if present, contains either
- * 4 bytes or 6 bytes. The WakeOnLAN dissector was implemented to
- * dissect the password, if present, according to the command-line
- * format that ether-wake uses, therefore, if a 4-byte password is
- * present, it will be dissected as an IPv4 address and if a 6-byte
- * password is present, it will be dissected as an Ethernet address.
- *
- * <http://wiki.wireshark.org/WakeOnLAN>
- */
-
- while (data < end) {
- if (found >= 6) {
- if (*data == mac[found % 6])
- found++;
- else
- found = 0;
- }
-
- /* previous check might reset found counter */
- if (found < 6) {
- if (*data == 0xff)
- found++;
- else
- found = 0;
- }
-
- if (found == (6 + 16 * 6))
- return true;
-
- data++;
- }
-
- return false;
-}
-
-static void wlan_wol_connect_callback(void __unused *dummy, bool success)
-{
- if (success)
- fw.wol.lost_null = 0;
- else
- fw.wol.lost_null++;
-}
-
-static void wlan_wol_connection_monitor(void)
-{
- struct carl9170_tx_null_superframe *nullf = &dma_mem.reserved.cmd.null;
- struct ieee80211_hdr *null = (struct ieee80211_hdr *) &nullf->f.null;
-
- if (!fw.wlan.fw_desc_available)
- return;
-
- memset(nullf, 0, sizeof(*nullf));
-
- nullf->s.len = sizeof(struct carl9170_tx_superdesc) +
- sizeof(struct ar9170_tx_hwdesc) +
- sizeof(struct ieee80211_hdr);
- nullf->s.ri[0].tries = 3;
- nullf->s.assign_seq = true;
- nullf->s.queue = AR9170_TXQ_VO;
- nullf->f.hdr.length = sizeof(struct ieee80211_hdr) + FCS_LEN;
-
- nullf->f.hdr.mac.backoff = 1;
- nullf->f.hdr.mac.hw_duration = 1;
- nullf->f.hdr.mac.erp_prot = AR9170_TX_MAC_PROT_RTS;
-
- nullf->f.hdr.phy.modulation = AR9170_TX_PHY_MOD_OFDM;
- nullf->f.hdr.phy.bandwidth = AR9170_TX_PHY_BW_20MHZ;
- nullf->f.hdr.phy.chains = AR9170_TX_PHY_TXCHAIN_2;
- nullf->f.hdr.phy.tx_power = 29; /* 14.5 dBm */
- nullf->f.hdr.phy.mcs = AR9170_TXRX_PHY_RATE_OFDM_6M;
-
- /* format outgoing nullfunc */
- null->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
- IEEE80211_STYPE_NULLFUNC | IEEE80211_FCTL_TODS);
-
- memcpy(null->addr1, fw.wol.cmd.bssid, 6);
- memcpy(null->addr2, fw.wol.cmd.mac, 6);
- memcpy(null->addr3, fw.wol.cmd.bssid, 6);
-
- wlan_tx_fw(&nullf->s, wlan_wol_connect_callback);
-}
-
-static bool wlan_rx_wol_disconnect(const unsigned int rx_filter,
- const struct ieee80211_hdr *hdr,
- const unsigned int __unused len)
-{
- const unsigned char *bssid;
- bssid = (const unsigned char *) AR9170_MAC_REG_BSSID_L;
-
- /* should catch both broadcast and unicast MLMEs */
- if (!(rx_filter & CARL9170_RX_FILTER_OTHER_RA)) {
- if (ieee80211_is_deauth(hdr->frame_control) ||
- ieee80211_is_disassoc(hdr->frame_control))
- return true;
- }
-
- if (ieee80211_is_beacon(hdr->frame_control) &&
- compare_ether_address(hdr->addr3, bssid)) {
- fw.wol.last_beacon = get_clock_counter();
- }
-
- return false;
-}
-
-#endif /* CARL9170FW_WOL_NL80211_TRIGGERS */
-
-#ifdef CONFIG_CARL9170FW_WOL_PROBE_REQUEST
-
-/*
- * Note: CONFIG_CARL9170FW_WOL_PROBE_REQUEST_SSID is not a real
- * string. We have to be careful not to add a \0 at the end.
- */
-static const struct {
- u8 ssid_ie;
- u8 ssid_len;
- u8 ssid[sizeof(CONFIG_CARL9170FW_WOL_PROBE_REQUEST_SSID) - 1];
-} __packed probe_req = {
- .ssid_ie = WLAN_EID_SSID,
- .ssid_len = sizeof(CONFIG_CARL9170FW_WOL_PROBE_REQUEST_SSID) - 1,
- .ssid = CONFIG_CARL9170FW_WOL_PROBE_REQUEST_SSID,
-};
-
-static bool wlan_rx_wol_probe_ssid(const struct ieee80211_hdr *hdr, const unsigned int len)
-{
- const unsigned char *data, *end, *scan = (void *) &probe_req;
-
- /*
- * IEEE 802.11-2007 7.3.2.1 specifies that the SSID is no
- * longer than 32 octets.
- */
- BUILD_BUG_ON((sizeof(CONFIG_CARL9170FW_WOL_PROBE_REQUEST_SSID) - 1) > 32);
-
- if (ieee80211_is_probe_req(hdr->frame_control)) {
- unsigned int i;
- end = (u8 *)((unsigned long)hdr + len);
-
- /*
- * The position of the SSID information element inside
- * a probe request frame is more or less "fixed".
- */
- data = (u8 *)((struct ieee80211_mgmt *)hdr)->u.probe_req.variable;
- for (i = 0; i < (unsigned int)(probe_req.ssid_len + 1); i++) {
- if (data > end || scan[i] != data[i])
- return false;
- }
-
- return true;
- }
-
- return false;
-}
-#endif /* CONFIG_CARL9170FW_WOL_PROBE_REQUEST */
-
-void wol_rx(const unsigned int rx_filter __unused, const struct ieee80211_hdr *hdr __unused, const unsigned int len __unused)
-{
-#ifdef CONFIG_CARL9170FW_WOL_NL80211_TRIGGERS
- /* Disconnect is always enabled */
- if (fw.wol.cmd.flags & CARL9170_WOL_DISCONNECT &&
- rx_filter & CARL9170_RX_FILTER_MGMT)
- fw.wol.wake_up |= wlan_rx_wol_disconnect(rx_filter, hdr, len);
-
- if (fw.wol.cmd.flags & CARL9170_WOL_MAGIC_PKT &&
- rx_filter & CARL9170_RX_FILTER_DATA)
- fw.wol.wake_up |= wlan_rx_wol_magic_packet(hdr, len);
-#endif /* CONFIG_CARL9170FW_WOL_NL80211_TRIGGERS */
-
-#ifdef CONFIG_CARL9170FW_WOL_PROBE_REQUEST
- if (rx_filter & CARL9170_RX_FILTER_MGMT)
- fw.wol.wake_up |= wlan_rx_wol_probe_ssid(hdr, len);
-#endif /* CONFIG_CARL9170FW_WOL_PROBE_REQUEST */
-}
-
-void wol_janitor(void)
-{
- if (unlikely(fw.suspend_mode == CARL9170_HOST_SUSPENDED)) {
-#ifdef CONFIG_CARL9170FW_WOL_NL80211_TRIGGERS
- if (fw.wol.cmd.flags & CARL9170_WOL_DISCONNECT) {
- /*
- * connection lost after 10sec without receiving
- * a beacon
- */
- if (is_after_msecs(fw.wol.last_beacon, 10000))
- fw.wol.wake_up |= true;
-
- if (fw.wol.cmd.null_interval &&
- is_after_msecs(fw.wol.last_null, fw.wol.cmd.null_interval))
- wlan_wol_connection_monitor();
-
- if (fw.wol.lost_null >= 5)
- fw.wol.wake_up |= true;
- }
-#endif /* CONFIG_CARL9170FW_WOL_NL80211_TRIGGERS */
-
- if (fw.wol.wake_up) {
- fw.suspend_mode = CARL9170_AWAKE_HOST;
- set(AR9170_USB_REG_WAKE_UP, AR9170_USB_WAKE_UP_WAKE);
- }
- }
-}
-#else
-
-#endif /* CONFIG_CARL9170FW_WOL */