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Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi/fw.c')
-rw-r--r--drivers/net/wireless/iwmc3200wifi/fw.c416
1 files changed, 0 insertions, 416 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/fw.c b/drivers/net/wireless/iwmc3200wifi/fw.c
deleted file mode 100644
index 6f1afe6..0000000
--- a/drivers/net/wireless/iwmc3200wifi/fw.c
+++ /dev/null
@@ -1,416 +0,0 @@
-/*
- * Intel Wireless Multicomm 3200 WiFi driver
- *
- * Copyright (C) 2009 Intel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *
- * Intel Corporation <ilw@linux.intel.com>
- * Samuel Ortiz <samuel.ortiz@intel.com>
- * Zhu Yi <yi.zhu@intel.com>
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/firmware.h>
-
-#include "iwm.h"
-#include "bus.h"
-#include "hal.h"
-#include "umac.h"
-#include "debug.h"
-#include "fw.h"
-#include "commands.h"
-
-static const char fw_barker[] = "*WESTOPFORNOONE*";
-
-/*
- * @op_code: Op code we're looking for.
- * @index: There can be several instances of the same opcode within
- * the firmware. Index specifies which one we're looking for.
- */
-static int iwm_fw_op_offset(struct iwm_priv *iwm, const struct firmware *fw,
- u16 op_code, u32 index)
-{
- int offset = -EINVAL, fw_offset;
- u32 op_index = 0;
- const u8 *fw_ptr;
- struct iwm_fw_hdr_rec *rec;
-
- fw_offset = 0;
- fw_ptr = fw->data;
-
- /* We first need to look for the firmware barker */
- if (memcmp(fw_ptr, fw_barker, IWM_HDR_BARKER_LEN)) {
- IWM_ERR(iwm, "No barker string in this FW\n");
- return -EINVAL;
- }
-
- if (fw->size < IWM_HDR_LEN) {
- IWM_ERR(iwm, "FW is too small (%zu)\n", fw->size);
- return -EINVAL;
- }
-
- fw_offset += IWM_HDR_BARKER_LEN;
-
- while (fw_offset < fw->size) {
- rec = (struct iwm_fw_hdr_rec *)(fw_ptr + fw_offset);
-
- IWM_DBG_FW(iwm, DBG, "FW: op_code: 0x%x, len: %d @ 0x%x\n",
- rec->op_code, rec->len, fw_offset);
-
- if (rec->op_code == IWM_HDR_REC_OP_INVALID) {
- IWM_DBG_FW(iwm, DBG, "Reached INVALID op code\n");
- break;
- }
-
- if (rec->op_code == op_code) {
- if (op_index == index) {
- fw_offset += sizeof(struct iwm_fw_hdr_rec);
- offset = fw_offset;
- goto out;
- }
- op_index++;
- }
-
- fw_offset += sizeof(struct iwm_fw_hdr_rec) + rec->len;
- }
-
- out:
- return offset;
-}
-
-static int iwm_load_firmware_chunk(struct iwm_priv *iwm,
- const struct firmware *fw,
- struct iwm_fw_img_desc *img_desc)
-{
- struct iwm_udma_nonwifi_cmd target_cmd;
- u32 chunk_size;
- const u8 *chunk_ptr;
- int ret = 0;
-
- IWM_DBG_FW(iwm, INFO, "Loading FW chunk: %d bytes @ 0x%x\n",
- img_desc->length, img_desc->address);
-
- target_cmd.opcode = UMAC_HDI_OUT_OPCODE_WRITE;
- target_cmd.handle_by_hw = 1;
- target_cmd.op2 = 0;
- target_cmd.resp = 0;
- target_cmd.eop = 1;
-
- chunk_size = img_desc->length;
- chunk_ptr = fw->data + img_desc->offset;
-
- while (chunk_size > 0) {
- u32 tmp_chunk_size;
-
- tmp_chunk_size = min_t(u32, chunk_size,
- IWM_MAX_NONWIFI_CMD_BUFF_SIZE);
-
- target_cmd.addr = cpu_to_le32(img_desc->address +
- (chunk_ptr - fw->data - img_desc->offset));
- target_cmd.op1_sz = cpu_to_le32(tmp_chunk_size);
-
- IWM_DBG_FW(iwm, DBG, "\t%d bytes @ 0x%x\n",
- tmp_chunk_size, target_cmd.addr);
-
- ret = iwm_hal_send_target_cmd(iwm, &target_cmd, chunk_ptr);
- if (ret < 0) {
- IWM_ERR(iwm, "Couldn't load FW chunk\n");
- break;
- }
-
- chunk_size -= tmp_chunk_size;
- chunk_ptr += tmp_chunk_size;
- }
-
- return ret;
-}
-/*
- * To load a fw image to the target, we basically go through the
- * fw, looking for OP_MEM_DESC records. Once we found one, we
- * pass it to iwm_load_firmware_chunk().
- * The OP_MEM_DESC records contain the actuall memory chunk to be
- * sent, but also the destination address.
- */
-static int iwm_load_img(struct iwm_priv *iwm, const char *img_name)
-{
- const struct firmware *fw;
- struct iwm_fw_img_desc *img_desc;
- struct iwm_fw_img_ver *ver;
- int ret = 0, fw_offset;
- u32 opcode_idx = 0, build_date;
- char *build_tag;
-
- ret = request_firmware(&fw, img_name, iwm_to_dev(iwm));
- if (ret) {
- IWM_ERR(iwm, "Request firmware failed");
- return ret;
- }
-
- IWM_DBG_FW(iwm, INFO, "Start to load FW %s\n", img_name);
-
- while (1) {
- fw_offset = iwm_fw_op_offset(iwm, fw,
- IWM_HDR_REC_OP_MEM_DESC,
- opcode_idx);
- if (fw_offset < 0)
- break;
-
- img_desc = (struct iwm_fw_img_desc *)(fw->data + fw_offset);
- ret = iwm_load_firmware_chunk(iwm, fw, img_desc);
- if (ret < 0)
- goto err_release_fw;
- opcode_idx++;
- }
-
- /* Read firmware version */
- fw_offset = iwm_fw_op_offset(iwm, fw, IWM_HDR_REC_OP_SW_VER, 0);
- if (fw_offset < 0)
- goto err_release_fw;
-
- ver = (struct iwm_fw_img_ver *)(fw->data + fw_offset);
-
- /* Read build tag */
- fw_offset = iwm_fw_op_offset(iwm, fw, IWM_HDR_REC_OP_BUILD_TAG, 0);
- if (fw_offset < 0)
- goto err_release_fw;
-
- build_tag = (char *)(fw->data + fw_offset);
-
- /* Read build date */
- fw_offset = iwm_fw_op_offset(iwm, fw, IWM_HDR_REC_OP_BUILD_DATE, 0);
- if (fw_offset < 0)
- goto err_release_fw;
-
- build_date = *(u32 *)(fw->data + fw_offset);
-
- IWM_INFO(iwm, "%s:\n", img_name);
- IWM_INFO(iwm, "\tVersion: %02X.%02X\n", ver->major, ver->minor);
- IWM_INFO(iwm, "\tBuild tag: %s\n", build_tag);
- IWM_INFO(iwm, "\tBuild date: %x-%x-%x\n",
- IWM_BUILD_YEAR(build_date), IWM_BUILD_MONTH(build_date),
- IWM_BUILD_DAY(build_date));
-
- if (!strcmp(img_name, iwm->bus_ops->umac_name))
- sprintf(iwm->umac_version, "%02X.%02X",
- ver->major, ver->minor);
-
- if (!strcmp(img_name, iwm->bus_ops->lmac_name))
- sprintf(iwm->lmac_version, "%02X.%02X",
- ver->major, ver->minor);
-
- err_release_fw:
- release_firmware(fw);
-
- return ret;
-}
-
-static int iwm_load_umac(struct iwm_priv *iwm)
-{
- struct iwm_udma_nonwifi_cmd target_cmd;
- int ret;
-
- ret = iwm_load_img(iwm, iwm->bus_ops->umac_name);
- if (ret < 0)
- return ret;
-
- /* We've loaded the UMAC, we can tell the target to jump there */
- target_cmd.opcode = UMAC_HDI_OUT_OPCODE_JUMP;
- target_cmd.addr = cpu_to_le32(UMAC_MU_FW_INST_DATA_12_ADDR);
- target_cmd.op1_sz = 0;
- target_cmd.op2 = 0;
- target_cmd.handle_by_hw = 0;
- target_cmd.resp = 1 ;
- target_cmd.eop = 1;
-
- ret = iwm_hal_send_target_cmd(iwm, &target_cmd, NULL);
- if (ret < 0)
- IWM_ERR(iwm, "Couldn't send JMP command\n");
-
- return ret;
-}
-
-static int iwm_load_lmac(struct iwm_priv *iwm, const char *img_name)
-{
- int ret;
-
- ret = iwm_load_img(iwm, img_name);
- if (ret < 0)
- return ret;
-
- return iwm_send_umac_reset(iwm,
- cpu_to_le32(UMAC_RST_CTRL_FLG_LARC_CLK_EN), 0);
-}
-
-static int iwm_init_calib(struct iwm_priv *iwm, unsigned long cfg_bitmap,
- unsigned long expected_bitmap, u8 rx_iq_cmd)
-{
- /* Read RX IQ calibration result from EEPROM */
- if (test_bit(rx_iq_cmd, &cfg_bitmap)) {
- iwm_store_rxiq_calib_result(iwm);
- set_bit(PHY_CALIBRATE_RX_IQ_CMD, &iwm->calib_done_map);
- }
-
- iwm_send_prio_table(iwm);
- iwm_send_init_calib_cfg(iwm, cfg_bitmap);
-
- while (iwm->calib_done_map != expected_bitmap) {
- if (iwm_notif_handle(iwm, CALIBRATION_RES_NOTIFICATION,
- IWM_SRC_LMAC, WAIT_NOTIF_TIMEOUT)) {
- IWM_DBG_FW(iwm, DBG, "Initial calibration timeout\n");
- return -ETIMEDOUT;
- }
-
- IWM_DBG_FW(iwm, DBG, "Got calibration result. calib_done_map: "
- "0x%lx, expected calibrations: 0x%lx\n",
- iwm->calib_done_map, expected_bitmap);
- }
-
- return 0;
-}
-
-/*
- * We currently have to load 3 FWs:
- * 1) The UMAC (Upper MAC).
- * 2) The calibration LMAC (Lower MAC).
- * We then send the calibration init command, so that the device can
- * run a first calibration round.
- * 3) The operational LMAC, which replaces the calibration one when it's
- * done with the first calibration round.
- *
- * Once those 3 FWs have been loaded, we send the periodic calibration
- * command, and then the device is available for regular 802.11 operations.
- */
-int iwm_load_fw(struct iwm_priv *iwm)
-{
- unsigned long init_calib_map, periodic_calib_map;
- unsigned long expected_calib_map;
- int ret;
-
- /* We first start downloading the UMAC */
- ret = iwm_load_umac(iwm);
- if (ret < 0) {
- IWM_ERR(iwm, "UMAC loading failed\n");
- return ret;
- }
-
- /* Handle UMAC_ALIVE notification */
- ret = iwm_notif_handle(iwm, UMAC_NOTIFY_OPCODE_ALIVE, IWM_SRC_UMAC,
- WAIT_NOTIF_TIMEOUT);
- if (ret) {
- IWM_ERR(iwm, "Handle UMAC_ALIVE failed: %d\n", ret);
- return ret;
- }
-
- /* UMAC is alive, we can download the calibration LMAC */
- ret = iwm_load_lmac(iwm, iwm->bus_ops->calib_lmac_name);
- if (ret) {
- IWM_ERR(iwm, "Calibration LMAC loading failed\n");
- return ret;
- }
-
- /* Handle UMAC_INIT_COMPLETE notification */
- ret = iwm_notif_handle(iwm, UMAC_NOTIFY_OPCODE_INIT_COMPLETE,
- IWM_SRC_UMAC, WAIT_NOTIF_TIMEOUT);
- if (ret) {
- IWM_ERR(iwm, "Handle INIT_COMPLETE failed for calibration "
- "LMAC: %d\n", ret);
- return ret;
- }
-
- /* Read EEPROM data */
- ret = iwm_eeprom_init(iwm);
- if (ret < 0) {
- IWM_ERR(iwm, "Couldn't init eeprom array\n");
- return ret;
- }
-
- init_calib_map = iwm->conf.calib_map & IWM_CALIB_MAP_INIT_MSK;
- expected_calib_map = iwm->conf.expected_calib_map &
- IWM_CALIB_MAP_INIT_MSK;
- periodic_calib_map = IWM_CALIB_MAP_PER_LMAC(iwm->conf.calib_map);
-
- ret = iwm_init_calib(iwm, init_calib_map, expected_calib_map,
- CALIB_CFG_RX_IQ_IDX);
- if (ret < 0) {
- /* Let's try the old way */
- ret = iwm_init_calib(iwm, expected_calib_map,
- expected_calib_map,
- PHY_CALIBRATE_RX_IQ_CMD);
- if (ret < 0) {
- IWM_ERR(iwm, "Calibration result timeout\n");
- goto out;
- }
- }
-
- /* Handle LMAC CALIBRATION_COMPLETE notification */
- ret = iwm_notif_handle(iwm, CALIBRATION_COMPLETE_NOTIFICATION,
- IWM_SRC_LMAC, WAIT_NOTIF_TIMEOUT);
- if (ret) {
- IWM_ERR(iwm, "Wait for CALIBRATION_COMPLETE timeout\n");
- goto out;
- }
-
- IWM_INFO(iwm, "LMAC calibration done: 0x%lx\n", iwm->calib_done_map);
-
- iwm_send_umac_reset(iwm, cpu_to_le32(UMAC_RST_CTRL_FLG_LARC_RESET), 1);
-
- ret = iwm_notif_handle(iwm, UMAC_CMD_OPCODE_RESET, IWM_SRC_UMAC,
- WAIT_NOTIF_TIMEOUT);
- if (ret) {
- IWM_ERR(iwm, "Wait for UMAC RESET timeout\n");
- goto out;
- }
-
- /* Download the operational LMAC */
- ret = iwm_load_lmac(iwm, iwm->bus_ops->lmac_name);
- if (ret) {
- IWM_ERR(iwm, "LMAC loading failed\n");
- goto out;
- }
-
- ret = iwm_notif_handle(iwm, UMAC_NOTIFY_OPCODE_INIT_COMPLETE,
- IWM_SRC_UMAC, WAIT_NOTIF_TIMEOUT);
- if (ret) {
- IWM_ERR(iwm, "Handle INIT_COMPLETE failed for LMAC: %d\n", ret);
- goto out;
- }
-
- iwm_send_prio_table(iwm);
- iwm_send_calib_results(iwm);
- iwm_send_periodic_calib_cfg(iwm, periodic_calib_map);
- iwm_send_ct_kill_cfg(iwm, iwm->conf.ct_kill_entry,
- iwm->conf.ct_kill_exit);
-
- return 0;
-
- out:
- iwm_eeprom_exit(iwm);
- return ret;
-}
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