diff options
Diffstat (limited to 'carl9170fw/carlfw/src')
| -rw-r--r-- | carl9170fw/carlfw/src/ashlsi3.S | 193 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/cam.c | 161 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/cmd.c | 154 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/dma.c | 255 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/fw.c | 116 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/gpio.c | 52 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/hostif.c | 165 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/main.c | 256 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/memcpy.S | 228 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/memset.S | 58 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/printf.c | 161 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/reboot.S | 11 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/rf.c | 277 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/uart.c | 76 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/udivsi3_i4i-Os.S | 149 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/wlan.c | 1211 | ||||
| -rw-r--r-- | carl9170fw/carlfw/src/wol.c | 287 |
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 */ |