diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/iwlwifi/iwl-drv.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/wireless/iwlwifi/iwl-drv.c | 993 |
1 files changed, 0 insertions, 993 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/iwlwifi/iwl-drv.c b/ANDROID_3.4.5/drivers/net/wireless/iwlwifi/iwl-drv.c deleted file mode 100644 index 6f312c77..00000000 --- a/ANDROID_3.4.5/drivers/net/wireless/iwlwifi/iwl-drv.c +++ /dev/null @@ -1,993 +0,0 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * 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, - * USA - * - * The full GNU General Public License is included in this distribution - * in the file called LICENSE.GPL. - * - * Contact Information: - * Intel Linux Wireless <ilw@linux.intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - * BSD LICENSE - * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. - * 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 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. - * - *****************************************************************************/ -#include <linux/completion.h> -#include <linux/dma-mapping.h> -#include <linux/firmware.h> -#include <linux/module.h> - -#include "iwl-drv.h" -#include "iwl-trans.h" -#include "iwl-shared.h" -#include "iwl-op-mode.h" -#include "iwl-agn-hw.h" - -/* private includes */ -#include "iwl-fw-file.h" - -/** - * struct iwl_drv - drv common data - * @fw: the iwl_fw structure - * @shrd: pointer to common shared structure - * @op_mode: the running op_mode - * @fw_index: firmware revision to try loading - * @firmware_name: composite filename of ucode file to load - * @request_firmware_complete: the firmware has been obtained from user space - */ -struct iwl_drv { - struct iwl_fw fw; - - struct iwl_shared *shrd; - struct iwl_op_mode *op_mode; - - int fw_index; /* firmware we're trying to load */ - char firmware_name[25]; /* name of firmware file to load */ - - struct completion request_firmware_complete; -}; - - - -/* - * struct fw_sec: Just for the image parsing proccess. - * For the fw storage we are using struct fw_desc. - */ -struct fw_sec { - const void *data; /* the sec data */ - size_t size; /* section size */ - u32 offset; /* offset of writing in the device */ -}; - -static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) -{ - if (desc->v_addr) - dma_free_coherent(trans(drv)->dev, desc->len, - desc->v_addr, desc->p_addr); - desc->v_addr = NULL; - desc->len = 0; -} - -static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) -{ - int i; - for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) - iwl_free_fw_desc(drv, &img->sec[i]); -} - -static void iwl_dealloc_ucode(struct iwl_drv *drv) -{ - int i; - for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) - iwl_free_fw_img(drv, drv->fw.img + i); -} - -static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, - struct fw_sec *sec) -{ - if (!sec || !sec->size) { - desc->v_addr = NULL; - return -EINVAL; - } - - desc->v_addr = dma_alloc_coherent(trans(drv)->dev, sec->size, - &desc->p_addr, GFP_KERNEL); - if (!desc->v_addr) - return -ENOMEM; - - desc->len = sec->size; - desc->offset = sec->offset; - memcpy(desc->v_addr, sec->data, sec->size); - return 0; -} - -static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context); - -#define UCODE_EXPERIMENTAL_INDEX 100 -#define UCODE_EXPERIMENTAL_TAG "exp" - -static int iwl_request_firmware(struct iwl_drv *drv, bool first) -{ - const struct iwl_cfg *cfg = cfg(drv); - const char *name_pre = cfg->fw_name_pre; - char tag[8]; - - if (first) { -#ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE - drv->fw_index = UCODE_EXPERIMENTAL_INDEX; - strcpy(tag, UCODE_EXPERIMENTAL_TAG); - } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) { -#endif - drv->fw_index = cfg->ucode_api_max; - sprintf(tag, "%d", drv->fw_index); - } else { - drv->fw_index--; - sprintf(tag, "%d", drv->fw_index); - } - - if (drv->fw_index < cfg->ucode_api_min) { - IWL_ERR(drv, "no suitable firmware found!\n"); - return -ENOENT; - } - - sprintf(drv->firmware_name, "%s%s%s", name_pre, tag, ".ucode"); - - IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", - (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) - ? "EXPERIMENTAL " : "", - drv->firmware_name); - - return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, - trans(drv)->dev, - GFP_KERNEL, drv, iwl_ucode_callback); -} - -struct fw_img_parsing { - struct fw_sec sec[IWL_UCODE_SECTION_MAX]; - int sec_counter; -}; - -/* - * struct fw_sec_parsing: to extract fw section and it's offset from tlv - */ -struct fw_sec_parsing { - __le32 offset; - const u8 data[]; -} __packed; - -/** - * struct iwl_tlv_calib_data - parse the default calib data from TLV - * - * @ucode_type: the uCode to which the following default calib relates. - * @calib: default calibrations. - */ -struct iwl_tlv_calib_data { - __le32 ucode_type; - __le64 calib; -} __packed; - -struct iwl_firmware_pieces { - struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; - - u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; - u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; -}; - -/* - * These functions are just to extract uCode section data from the pieces - * structure. - */ -static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, - enum iwl_ucode_type type, - int sec) -{ - return &pieces->img[type].sec[sec]; -} - -static void set_sec_data(struct iwl_firmware_pieces *pieces, - enum iwl_ucode_type type, - int sec, - const void *data) -{ - pieces->img[type].sec[sec].data = data; -} - -static void set_sec_size(struct iwl_firmware_pieces *pieces, - enum iwl_ucode_type type, - int sec, - size_t size) -{ - pieces->img[type].sec[sec].size = size; -} - -static size_t get_sec_size(struct iwl_firmware_pieces *pieces, - enum iwl_ucode_type type, - int sec) -{ - return pieces->img[type].sec[sec].size; -} - -static void set_sec_offset(struct iwl_firmware_pieces *pieces, - enum iwl_ucode_type type, - int sec, - u32 offset) -{ - pieces->img[type].sec[sec].offset = offset; -} - -/* - * Gets uCode section from tlv. - */ -static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, - const void *data, enum iwl_ucode_type type, - int size) -{ - struct fw_img_parsing *img; - struct fw_sec *sec; - struct fw_sec_parsing *sec_parse; - - if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) - return -1; - - sec_parse = (struct fw_sec_parsing *)data; - - img = &pieces->img[type]; - sec = &img->sec[img->sec_counter]; - - sec->offset = le32_to_cpu(sec_parse->offset); - sec->data = sec_parse->data; - - ++img->sec_counter; - - return 0; -} - -static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) -{ - struct iwl_tlv_calib_data *def_calib = - (struct iwl_tlv_calib_data *)data; - u32 ucode_type = le32_to_cpu(def_calib->ucode_type); - if (ucode_type >= IWL_UCODE_TYPE_MAX) { - IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", - ucode_type); - return -EINVAL; - } - drv->fw.default_calib[ucode_type] = le64_to_cpu(def_calib->calib); - return 0; -} - -static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, - const struct firmware *ucode_raw, - struct iwl_firmware_pieces *pieces) -{ - struct iwl_ucode_header *ucode = (void *)ucode_raw->data; - u32 api_ver, hdr_size, build; - char buildstr[25]; - const u8 *src; - - drv->fw.ucode_ver = le32_to_cpu(ucode->ver); - api_ver = IWL_UCODE_API(drv->fw.ucode_ver); - - switch (api_ver) { - default: - hdr_size = 28; - if (ucode_raw->size < hdr_size) { - IWL_ERR(drv, "File size too small!\n"); - return -EINVAL; - } - build = le32_to_cpu(ucode->u.v2.build); - set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, - le32_to_cpu(ucode->u.v2.inst_size)); - set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, - le32_to_cpu(ucode->u.v2.data_size)); - set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, - le32_to_cpu(ucode->u.v2.init_size)); - set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, - le32_to_cpu(ucode->u.v2.init_data_size)); - src = ucode->u.v2.data; - break; - case 0: - case 1: - case 2: - hdr_size = 24; - if (ucode_raw->size < hdr_size) { - IWL_ERR(drv, "File size too small!\n"); - return -EINVAL; - } - build = 0; - set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, - le32_to_cpu(ucode->u.v1.inst_size)); - set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, - le32_to_cpu(ucode->u.v1.data_size)); - set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, - le32_to_cpu(ucode->u.v1.init_size)); - set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, - le32_to_cpu(ucode->u.v1.init_data_size)); - src = ucode->u.v1.data; - break; - } - - if (build) - sprintf(buildstr, " build %u%s", build, - (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) - ? " (EXP)" : ""); - else - buildstr[0] = '\0'; - - snprintf(drv->fw.fw_version, - sizeof(drv->fw.fw_version), - "%u.%u.%u.%u%s", - IWL_UCODE_MAJOR(drv->fw.ucode_ver), - IWL_UCODE_MINOR(drv->fw.ucode_ver), - IWL_UCODE_API(drv->fw.ucode_ver), - IWL_UCODE_SERIAL(drv->fw.ucode_ver), - buildstr); - - /* Verify size of file vs. image size info in file's header */ - - if (ucode_raw->size != hdr_size + - get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + - get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + - get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + - get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { - - IWL_ERR(drv, - "uCode file size %d does not match expected size\n", - (int)ucode_raw->size); - return -EINVAL; - } - - - set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); - src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); - set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, - IWLAGN_RTC_INST_LOWER_BOUND); - set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); - src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); - set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, - IWLAGN_RTC_DATA_LOWER_BOUND); - set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); - src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); - set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, - IWLAGN_RTC_INST_LOWER_BOUND); - set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); - src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); - set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, - IWLAGN_RTC_DATA_LOWER_BOUND); - return 0; -} - -static int iwl_parse_tlv_firmware(struct iwl_drv *drv, - const struct firmware *ucode_raw, - struct iwl_firmware_pieces *pieces, - struct iwl_ucode_capabilities *capa) -{ - struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; - struct iwl_ucode_tlv *tlv; - size_t len = ucode_raw->size; - const u8 *data; - int wanted_alternative = iwlagn_mod_params.wanted_ucode_alternative; - int tmp; - u64 alternatives; - u32 tlv_len; - enum iwl_ucode_tlv_type tlv_type; - const u8 *tlv_data; - char buildstr[25]; - u32 build; - - if (len < sizeof(*ucode)) { - IWL_ERR(drv, "uCode has invalid length: %zd\n", len); - return -EINVAL; - } - - if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { - IWL_ERR(drv, "invalid uCode magic: 0X%x\n", - le32_to_cpu(ucode->magic)); - return -EINVAL; - } - - /* - * Check which alternatives are present, and "downgrade" - * when the chosen alternative is not present, warning - * the user when that happens. Some files may not have - * any alternatives, so don't warn in that case. - */ - alternatives = le64_to_cpu(ucode->alternatives); - tmp = wanted_alternative; - if (wanted_alternative > 63) - wanted_alternative = 63; - while (wanted_alternative && !(alternatives & BIT(wanted_alternative))) - wanted_alternative--; - if (wanted_alternative && wanted_alternative != tmp) - IWL_WARN(drv, - "uCode alternative %d not available, choosing %d\n", - tmp, wanted_alternative); - - drv->fw.ucode_ver = le32_to_cpu(ucode->ver); - build = le32_to_cpu(ucode->build); - - if (build) - sprintf(buildstr, " build %u%s", build, - (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) - ? " (EXP)" : ""); - else - buildstr[0] = '\0'; - - snprintf(drv->fw.fw_version, - sizeof(drv->fw.fw_version), - "%u.%u.%u.%u%s", - IWL_UCODE_MAJOR(drv->fw.ucode_ver), - IWL_UCODE_MINOR(drv->fw.ucode_ver), - IWL_UCODE_API(drv->fw.ucode_ver), - IWL_UCODE_SERIAL(drv->fw.ucode_ver), - buildstr); - - data = ucode->data; - - len -= sizeof(*ucode); - - while (len >= sizeof(*tlv)) { - u16 tlv_alt; - - len -= sizeof(*tlv); - tlv = (void *)data; - - tlv_len = le32_to_cpu(tlv->length); - tlv_type = le16_to_cpu(tlv->type); - tlv_alt = le16_to_cpu(tlv->alternative); - tlv_data = tlv->data; - - if (len < tlv_len) { - IWL_ERR(drv, "invalid TLV len: %zd/%u\n", - len, tlv_len); - return -EINVAL; - } - len -= ALIGN(tlv_len, 4); - data += sizeof(*tlv) + ALIGN(tlv_len, 4); - - /* - * Alternative 0 is always valid. - * - * Skip alternative TLVs that are not selected. - */ - if (tlv_alt != 0 && tlv_alt != wanted_alternative) - continue; - - switch (tlv_type) { - case IWL_UCODE_TLV_INST: - set_sec_data(pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_INST, tlv_data); - set_sec_size(pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_INST, tlv_len); - set_sec_offset(pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_INST, - IWLAGN_RTC_INST_LOWER_BOUND); - break; - case IWL_UCODE_TLV_DATA: - set_sec_data(pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_DATA, tlv_data); - set_sec_size(pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_DATA, tlv_len); - set_sec_offset(pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_DATA, - IWLAGN_RTC_DATA_LOWER_BOUND); - break; - case IWL_UCODE_TLV_INIT: - set_sec_data(pieces, IWL_UCODE_INIT, - IWL_UCODE_SECTION_INST, tlv_data); - set_sec_size(pieces, IWL_UCODE_INIT, - IWL_UCODE_SECTION_INST, tlv_len); - set_sec_offset(pieces, IWL_UCODE_INIT, - IWL_UCODE_SECTION_INST, - IWLAGN_RTC_INST_LOWER_BOUND); - break; - case IWL_UCODE_TLV_INIT_DATA: - set_sec_data(pieces, IWL_UCODE_INIT, - IWL_UCODE_SECTION_DATA, tlv_data); - set_sec_size(pieces, IWL_UCODE_INIT, - IWL_UCODE_SECTION_DATA, tlv_len); - set_sec_offset(pieces, IWL_UCODE_INIT, - IWL_UCODE_SECTION_DATA, - IWLAGN_RTC_DATA_LOWER_BOUND); - break; - case IWL_UCODE_TLV_BOOT: - IWL_ERR(drv, "Found unexpected BOOT ucode\n"); - break; - case IWL_UCODE_TLV_PROBE_MAX_LEN: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - capa->max_probe_length = - le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_PAN: - if (tlv_len) - goto invalid_tlv_len; - capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; - break; - case IWL_UCODE_TLV_FLAGS: - /* must be at least one u32 */ - if (tlv_len < sizeof(u32)) - goto invalid_tlv_len; - /* and a proper number of u32s */ - if (tlv_len % sizeof(u32)) - goto invalid_tlv_len; - /* - * This driver only reads the first u32 as - * right now no more features are defined, - * if that changes then either the driver - * will not work with the new firmware, or - * it'll not take advantage of new features. - */ - capa->flags = le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_INIT_EVTLOG_PTR: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - pieces->init_evtlog_ptr = - le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - pieces->init_evtlog_size = - le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_INIT_ERRLOG_PTR: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - pieces->init_errlog_ptr = - le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - pieces->inst_evtlog_ptr = - le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - pieces->inst_evtlog_size = - le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - pieces->inst_errlog_ptr = - le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_ENHANCE_SENS_TBL: - if (tlv_len) - goto invalid_tlv_len; - drv->fw.enhance_sensitivity_table = true; - break; - case IWL_UCODE_TLV_WOWLAN_INST: - set_sec_data(pieces, IWL_UCODE_WOWLAN, - IWL_UCODE_SECTION_INST, tlv_data); - set_sec_size(pieces, IWL_UCODE_WOWLAN, - IWL_UCODE_SECTION_INST, tlv_len); - set_sec_offset(pieces, IWL_UCODE_WOWLAN, - IWL_UCODE_SECTION_INST, - IWLAGN_RTC_INST_LOWER_BOUND); - break; - case IWL_UCODE_TLV_WOWLAN_DATA: - set_sec_data(pieces, IWL_UCODE_WOWLAN, - IWL_UCODE_SECTION_DATA, tlv_data); - set_sec_size(pieces, IWL_UCODE_WOWLAN, - IWL_UCODE_SECTION_DATA, tlv_len); - set_sec_offset(pieces, IWL_UCODE_WOWLAN, - IWL_UCODE_SECTION_DATA, - IWLAGN_RTC_DATA_LOWER_BOUND); - break; - case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - capa->standard_phy_calibration_size = - le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_SEC_RT: - iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, - tlv_len); - drv->fw.mvm_fw = true; - break; - case IWL_UCODE_TLV_SEC_INIT: - iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, - tlv_len); - drv->fw.mvm_fw = true; - break; - case IWL_UCODE_TLV_SEC_WOWLAN: - iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, - tlv_len); - drv->fw.mvm_fw = true; - break; - case IWL_UCODE_TLV_DEF_CALIB: - if (tlv_len != sizeof(struct iwl_tlv_calib_data)) - goto invalid_tlv_len; - if (iwl_set_default_calib(drv, tlv_data)) - goto tlv_error; - break; - case IWL_UCODE_TLV_PHY_SKU: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); - break; - default: - IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); - break; - } - } - - if (len) { - IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); - iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); - return -EINVAL; - } - - return 0; - - invalid_tlv_len: - IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); - tlv_error: - iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); - - return -EINVAL; -} - -static int alloc_pci_desc(struct iwl_drv *drv, - struct iwl_firmware_pieces *pieces, - enum iwl_ucode_type type) -{ - int i; - for (i = 0; - i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i); - i++) - if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]), - get_sec(pieces, type, i))) - return -1; - return 0; -} - -static int validate_sec_sizes(struct iwl_drv *drv, - struct iwl_firmware_pieces *pieces, - const struct iwl_cfg *cfg) -{ - IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", - get_sec_size(pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_INST)); - IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", - get_sec_size(pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_DATA)); - IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", - get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); - IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", - get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); - - /* Verify that uCode images will fit in card's SRAM. */ - if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > - cfg->max_inst_size) { - IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", - get_sec_size(pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_INST)); - return -1; - } - - if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > - cfg->max_data_size) { - IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", - get_sec_size(pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_DATA)); - return -1; - } - - if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > - cfg->max_inst_size) { - IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n", - get_sec_size(pieces, IWL_UCODE_INIT, - IWL_UCODE_SECTION_INST)); - return -1; - } - - if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > - cfg->max_data_size) { - IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n", - get_sec_size(pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_DATA)); - return -1; - } - return 0; -} - - -/** - * iwl_ucode_callback - callback when firmware was loaded - * - * If loaded successfully, copies the firmware into buffers - * for the card to fetch (via DMA). - */ -static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) -{ - struct iwl_drv *drv = context; - const struct iwl_cfg *cfg = cfg(drv); - struct iwl_fw *fw = &drv->fw; - struct iwl_ucode_header *ucode; - int err; - struct iwl_firmware_pieces pieces; - const unsigned int api_max = cfg->ucode_api_max; - unsigned int api_ok = cfg->ucode_api_ok; - const unsigned int api_min = cfg->ucode_api_min; - u32 api_ver; - int i; - - fw->ucode_capa.max_probe_length = 200; - fw->ucode_capa.standard_phy_calibration_size = - IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; - - if (!api_ok) - api_ok = api_max; - - memset(&pieces, 0, sizeof(pieces)); - - if (!ucode_raw) { - if (drv->fw_index <= api_ok) - IWL_ERR(drv, - "request for firmware file '%s' failed.\n", - drv->firmware_name); - goto try_again; - } - - IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", - drv->firmware_name, ucode_raw->size); - - /* Make sure that we got at least the API version number */ - if (ucode_raw->size < 4) { - IWL_ERR(drv, "File size way too small!\n"); - goto try_again; - } - - /* Data from ucode file: header followed by uCode images */ - ucode = (struct iwl_ucode_header *)ucode_raw->data; - - if (ucode->ver) - err = iwl_parse_v1_v2_firmware(drv, ucode_raw, &pieces); - else - err = iwl_parse_tlv_firmware(drv, ucode_raw, &pieces, - &fw->ucode_capa); - - if (err) - goto try_again; - - api_ver = IWL_UCODE_API(drv->fw.ucode_ver); - - /* - * api_ver should match the api version forming part of the - * firmware filename ... but we don't check for that and only rely - * on the API version read from firmware header from here on forward - */ - /* no api version check required for experimental uCode */ - if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) { - if (api_ver < api_min || api_ver > api_max) { - IWL_ERR(drv, - "Driver unable to support your firmware API. " - "Driver supports v%u, firmware is v%u.\n", - api_max, api_ver); - goto try_again; - } - - if (api_ver < api_ok) { - if (api_ok != api_max) - IWL_ERR(drv, "Firmware has old API version, " - "expected v%u through v%u, got v%u.\n", - api_ok, api_max, api_ver); - else - IWL_ERR(drv, "Firmware has old API version, " - "expected v%u, got v%u.\n", - api_max, api_ver); - IWL_ERR(drv, "New firmware can be obtained from " - "http://www.intellinuxwireless.org/.\n"); - } - } - - IWL_INFO(drv, "loaded firmware version %s", drv->fw.fw_version); - - /* - * For any of the failures below (before allocating pci memory) - * we will try to load a version with a smaller API -- maybe the - * user just got a corrupted version of the latest API. - */ - - IWL_DEBUG_INFO(drv, "f/w package hdr ucode version raw = 0x%x\n", - drv->fw.ucode_ver); - IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", - get_sec_size(&pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_INST)); - IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", - get_sec_size(&pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_DATA)); - IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", - get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); - IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", - get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); - - /* Verify that uCode images will fit in card's SRAM */ - if (get_sec_size(&pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > - cfg->max_inst_size) { - IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", - get_sec_size(&pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_INST)); - goto try_again; - } - - if (get_sec_size(&pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > - cfg->max_data_size) { - IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", - get_sec_size(&pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_DATA)); - goto try_again; - } - - /* - * In mvm uCode there is no difference between data and instructions - * sections. - */ - if (!fw->mvm_fw && validate_sec_sizes(drv, &pieces, cfg)) - goto try_again; - - /* Allocate ucode buffers for card's bus-master loading ... */ - - /* Runtime instructions and 2 copies of data: - * 1) unmodified from disk - * 2) backup cache for save/restore during power-downs */ - for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) - if (alloc_pci_desc(drv, &pieces, i)) - goto err_pci_alloc; - - /* Now that we can no longer fail, copy information */ - - /* - * The (size - 16) / 12 formula is based on the information recorded - * for each event, which is of mode 1 (including timestamp) for all - * new microcodes that include this information. - */ - fw->init_evtlog_ptr = pieces.init_evtlog_ptr; - if (pieces.init_evtlog_size) - fw->init_evtlog_size = (pieces.init_evtlog_size - 16)/12; - else - fw->init_evtlog_size = - cfg->base_params->max_event_log_size; - fw->init_errlog_ptr = pieces.init_errlog_ptr; - fw->inst_evtlog_ptr = pieces.inst_evtlog_ptr; - if (pieces.inst_evtlog_size) - fw->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; - else - fw->inst_evtlog_size = - cfg->base_params->max_event_log_size; - fw->inst_errlog_ptr = pieces.inst_errlog_ptr; - - /* - * figure out the offset of chain noise reset and gain commands - * base on the size of standard phy calibration commands table size - */ - if (fw->ucode_capa.standard_phy_calibration_size > - IWL_MAX_PHY_CALIBRATE_TBL_SIZE) - fw->ucode_capa.standard_phy_calibration_size = - IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; - - /* We have our copies now, allow OS release its copies */ - release_firmware(ucode_raw); - complete(&drv->request_firmware_complete); - - drv->op_mode = iwl_dvm_ops.start(drv->shrd->trans, &drv->fw); - - if (!drv->op_mode) - goto out_unbind; - - return; - - try_again: - /* try next, if any */ - release_firmware(ucode_raw); - if (iwl_request_firmware(drv, false)) - goto out_unbind; - return; - - err_pci_alloc: - IWL_ERR(drv, "failed to allocate pci memory\n"); - iwl_dealloc_ucode(drv); - release_firmware(ucode_raw); - out_unbind: - complete(&drv->request_firmware_complete); - device_release_driver(trans(drv)->dev); -} - -int iwl_drv_start(struct iwl_shared *shrd, - struct iwl_trans *trans, const struct iwl_cfg *cfg) -{ - struct iwl_drv *drv; - int ret; - - shrd->cfg = cfg; - - drv = kzalloc(sizeof(*drv), GFP_KERNEL); - if (!drv) { - dev_printk(KERN_ERR, trans->dev, "Couldn't allocate iwl_drv"); - return -ENOMEM; - } - drv->shrd = shrd; - shrd->drv = drv; - - init_completion(&drv->request_firmware_complete); - - ret = iwl_request_firmware(drv, true); - - if (ret) { - dev_printk(KERN_ERR, trans->dev, "Couldn't request the fw"); - kfree(drv); - shrd->drv = NULL; - } - - return ret; -} - -void iwl_drv_stop(struct iwl_shared *shrd) -{ - struct iwl_drv *drv = shrd->drv; - - wait_for_completion(&drv->request_firmware_complete); - - /* op_mode can be NULL if its start failed */ - if (drv->op_mode) - iwl_op_mode_stop(drv->op_mode); - - iwl_dealloc_ucode(drv); - - kfree(drv); - shrd->drv = NULL; -} |