*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
+ * Copyright(c) 2008 - 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
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/dma-mapping.h>
+#include <linux/firmware.h>
+#include "iwl-ucode.h"
#include "iwl-wifi.h"
#include "iwl-dev.h"
#include "iwl-core.h"
#include "iwl-agn-calib.h"
#include "iwl-trans.h"
#include "iwl-fh.h"
+#include "iwl-op-mode.h"
static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = {
{COEX_CU_UNASSOC_IDLE_RP, COEX_CU_UNASSOC_IDLE_WP,
*
******************************************************************************/
-static void iwl_free_fw_desc(struct iwl_bus *bus, struct fw_desc *desc)
+static void iwl_free_fw_desc(struct iwl_nic *nic, struct fw_desc *desc)
{
if (desc->v_addr)
- dma_free_coherent(bus->dev, desc->len,
+ dma_free_coherent(trans(nic)->dev, desc->len,
desc->v_addr, desc->p_addr);
desc->v_addr = NULL;
desc->len = 0;
}
-static void iwl_free_fw_img(struct iwl_bus *bus, struct fw_img *img)
+static void iwl_free_fw_img(struct iwl_nic *nic, struct fw_img *img)
{
- iwl_free_fw_desc(bus, &img->code);
- iwl_free_fw_desc(bus, &img->data);
+ iwl_free_fw_desc(nic, &img->code);
+ iwl_free_fw_desc(nic, &img->data);
}
-void iwl_dealloc_ucode(struct iwl_trans *trans)
+void iwl_dealloc_ucode(struct iwl_nic *nic)
{
- iwl_free_fw_img(bus(trans), &trans->ucode_rt);
- iwl_free_fw_img(bus(trans), &trans->ucode_init);
- iwl_free_fw_img(bus(trans), &trans->ucode_wowlan);
+ iwl_free_fw_img(nic, &nic->fw.ucode_rt);
+ iwl_free_fw_img(nic, &nic->fw.ucode_init);
+ iwl_free_fw_img(nic, &nic->fw.ucode_wowlan);
}
-int iwl_alloc_fw_desc(struct iwl_bus *bus, struct fw_desc *desc,
+static int iwl_alloc_fw_desc(struct iwl_nic *nic, struct fw_desc *desc,
const void *data, size_t len)
{
if (!len) {
return -EINVAL;
}
- desc->v_addr = dma_alloc_coherent(bus->dev, len,
+ desc->v_addr = dma_alloc_coherent(trans(nic)->dev, len,
&desc->p_addr, GFP_KERNEL);
if (!desc->v_addr)
return -ENOMEM;
return 0;
}
-/*
- * ucode
- */
-static int iwl_load_section(struct iwl_trans *trans, const char *name,
- struct fw_desc *image, u32 dst_addr)
-{
- struct iwl_bus *bus = bus(trans);
- dma_addr_t phy_addr = image->p_addr;
- u32 byte_cnt = image->len;
- int ret;
-
- trans->ucode_write_complete = 0;
-
- iwl_write_direct32(bus,
- FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
- FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE);
-
- iwl_write_direct32(bus,
- FH_SRVC_CHNL_SRAM_ADDR_REG(FH_SRVC_CHNL), dst_addr);
-
- iwl_write_direct32(bus,
- FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL),
- phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK);
-
- iwl_write_direct32(bus,
- FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL),
- (iwl_get_dma_hi_addr(phy_addr)
- << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_cnt);
-
- iwl_write_direct32(bus,
- FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL),
- 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM |
- 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX |
- FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID);
-
- iwl_write_direct32(bus,
- FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
- FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
- FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE |
- FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD);
-
- IWL_DEBUG_FW(bus, "%s uCode section being loaded...\n", name);
- ret = wait_event_timeout(trans->shrd->wait_command_queue,
- trans->ucode_write_complete, 5 * HZ);
- if (!ret) {
- IWL_ERR(trans, "Could not load the %s uCode section\n",
- name);
- return -ETIMEDOUT;
- }
-
- return 0;
-}
-
-static inline struct fw_img *iwl_get_ucode_image(struct iwl_trans *trans,
+static inline struct fw_img *iwl_get_ucode_image(struct iwl_nic *nic,
enum iwl_ucode_type ucode_type)
{
switch (ucode_type) {
case IWL_UCODE_INIT:
- return &trans->ucode_init;
+ return &nic->fw.ucode_init;
case IWL_UCODE_WOWLAN:
- return &trans->ucode_wowlan;
+ return &nic->fw.ucode_wowlan;
case IWL_UCODE_REGULAR:
- return &trans->ucode_rt;
+ return &nic->fw.ucode_rt;
case IWL_UCODE_NONE:
break;
}
return NULL;
}
-static int iwl_load_given_ucode(struct iwl_trans *trans,
- enum iwl_ucode_type ucode_type)
-{
- int ret = 0;
- struct fw_img *image = iwl_get_ucode_image(trans, ucode_type);
-
-
- if (!image) {
- IWL_ERR(trans, "Invalid ucode requested (%d)\n",
- ucode_type);
- return -EINVAL;
- }
-
- ret = iwl_load_section(trans, "INST", &image->code,
- IWLAGN_RTC_INST_LOWER_BOUND);
- if (ret)
- return ret;
-
- return iwl_load_section(trans, "DATA", &image->data,
- IWLAGN_RTC_DATA_LOWER_BOUND);
-}
-
/*
* Calibration
*/
}
int iwlagn_rx_calib_result(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
if (!priv->tx_cmd_pool)
return -ENOMEM;
- iwl_trans_tx_start(trans);
+ iwl_trans_fw_alive(trans);
for_each_context(priv, ctx)
ctx->last_tx_rejected = false;
* using sample data 100 bytes apart. If these sample points are good,
* it's a pretty good bet that everything between them is good, too.
*/
-static int iwl_verify_inst_sparse(struct iwl_bus *bus,
+static int iwl_verify_inst_sparse(struct iwl_nic *nic,
struct fw_desc *fw_desc)
{
+ struct iwl_trans *trans = trans(nic);
__le32 *image = (__le32 *)fw_desc->v_addr;
u32 len = fw_desc->len;
u32 val;
u32 i;
- IWL_DEBUG_FW(bus, "ucode inst image size is %u\n", len);
+ IWL_DEBUG_FW(nic, "ucode inst image size is %u\n", len);
for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) {
/* read data comes through single port, auto-incr addr */
/* NOTE: Use the debugless read so we don't flood kernel log
* if IWL_DL_IO is set */
- iwl_write_direct32(bus, HBUS_TARG_MEM_RADDR,
+ iwl_write_direct32(trans, HBUS_TARG_MEM_RADDR,
i + IWLAGN_RTC_INST_LOWER_BOUND);
- val = iwl_read32(bus, HBUS_TARG_MEM_RDAT);
+ val = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
if (val != le32_to_cpu(*image))
return -EIO;
}
return 0;
}
-static void iwl_print_mismatch_inst(struct iwl_bus *bus,
+static void iwl_print_mismatch_inst(struct iwl_nic *nic,
struct fw_desc *fw_desc)
{
+ struct iwl_trans *trans = trans(nic);
__le32 *image = (__le32 *)fw_desc->v_addr;
u32 len = fw_desc->len;
u32 val;
u32 offs;
int errors = 0;
- IWL_DEBUG_FW(bus, "ucode inst image size is %u\n", len);
+ IWL_DEBUG_FW(nic, "ucode inst image size is %u\n", len);
- iwl_write_direct32(bus, HBUS_TARG_MEM_RADDR,
+ iwl_write_direct32(trans, HBUS_TARG_MEM_RADDR,
IWLAGN_RTC_INST_LOWER_BOUND);
for (offs = 0;
offs < len && errors < 20;
offs += sizeof(u32), image++) {
/* read data comes through single port, auto-incr addr */
- val = iwl_read32(bus, HBUS_TARG_MEM_RDAT);
+ val = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
if (val != le32_to_cpu(*image)) {
- IWL_ERR(bus, "uCode INST section at "
+ IWL_ERR(nic, "uCode INST section at "
"offset 0x%x, is 0x%x, s/b 0x%x\n",
offs, val, le32_to_cpu(*image));
errors++;
* iwl_verify_ucode - determine which instruction image is in SRAM,
* and verify its contents
*/
-static int iwl_verify_ucode(struct iwl_trans *trans,
+static int iwl_verify_ucode(struct iwl_nic *nic,
enum iwl_ucode_type ucode_type)
{
- struct fw_img *img = iwl_get_ucode_image(trans, ucode_type);
+ struct fw_img *img = iwl_get_ucode_image(nic, ucode_type);
if (!img) {
- IWL_ERR(trans, "Invalid ucode requested (%d)\n", ucode_type);
+ IWL_ERR(nic, "Invalid ucode requested (%d)\n", ucode_type);
return -EINVAL;
}
- if (!iwl_verify_inst_sparse(bus(trans), &img->code)) {
- IWL_DEBUG_FW(trans, "uCode is good in inst SRAM\n");
+ if (!iwl_verify_inst_sparse(nic, &img->code)) {
+ IWL_DEBUG_FW(nic, "uCode is good in inst SRAM\n");
return 0;
}
- IWL_ERR(trans, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n");
+ IWL_ERR(nic, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n");
- iwl_print_mismatch_inst(bus(trans), &img->code);
+ iwl_print_mismatch_inst(nic, &img->code);
return -EIO;
}
{
struct iwl_notification_wait alive_wait;
struct iwl_alive_data alive_data;
+ struct fw_img *fw;
int ret;
enum iwl_ucode_type old_type;
- ret = iwl_trans_start_device(trans);
- if (ret)
- return ret;
-
iwl_init_notification_wait(trans->shrd, &alive_wait, REPLY_ALIVE,
iwl_alive_fn, &alive_data);
old_type = trans->shrd->ucode_type;
trans->shrd->ucode_type = ucode_type;
+ fw = iwl_get_ucode_image(nic(trans), ucode_type);
+
+ if (!fw)
+ return -EINVAL;
- ret = iwl_load_given_ucode(trans, ucode_type);
+ ret = iwl_trans_start_fw(trans, fw);
if (ret) {
trans->shrd->ucode_type = old_type;
iwl_remove_notification(trans->shrd, &alive_wait);
return ret;
}
- iwl_trans_kick_nic(trans);
-
/*
* Some things may run in the background now, but we
* just wait for the ALIVE notification here.
* skip it for WoWLAN.
*/
if (ucode_type != IWL_UCODE_WOWLAN) {
- ret = iwl_verify_ucode(trans, ucode_type);
+ ret = iwl_verify_ucode(nic(trans), ucode_type);
if (ret) {
trans->shrd->ucode_type = old_type;
return ret;
lockdep_assert_held(&trans->shrd->mutex);
/* No init ucode required? Curious, but maybe ok */
- if (!trans->ucode_init.code.len)
+ if (!nic(trans)->fw.ucode_init.code.len)
return 0;
if (trans->shrd->ucode_type != IWL_UCODE_NONE)
iwl_trans_stop_device(trans);
return ret;
}
+
+static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context);
+
+#define UCODE_EXPERIMENTAL_TAG "exp"
+
+int __must_check iwl_request_firmware(struct iwl_nic *nic, bool first)
+{
+ const struct iwl_cfg *cfg = cfg(nic);
+ const char *name_pre = cfg->fw_name_pre;
+ char tag[8];
+
+ if (first) {
+#ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
+ nic->fw_index = UCODE_EXPERIMENTAL_INDEX;
+ strcpy(tag, UCODE_EXPERIMENTAL_TAG);
+ } else if (nic->fw_index == UCODE_EXPERIMENTAL_INDEX) {
+#endif
+ nic->fw_index = cfg->ucode_api_max;
+ sprintf(tag, "%d", nic->fw_index);
+ } else {
+ nic->fw_index--;
+ sprintf(tag, "%d", nic->fw_index);
+ }
+
+ if (nic->fw_index < cfg->ucode_api_min) {
+ IWL_ERR(nic, "no suitable firmware found!\n");
+ return -ENOENT;
+ }
+
+ sprintf(nic->firmware_name, "%s%s%s", name_pre, tag, ".ucode");
+
+ IWL_DEBUG_INFO(nic, "attempting to load firmware %s'%s'\n",
+ (nic->fw_index == UCODE_EXPERIMENTAL_INDEX)
+ ? "EXPERIMENTAL " : "",
+ nic->firmware_name);
+
+ return request_firmware_nowait(THIS_MODULE, 1, nic->firmware_name,
+ trans(nic)->dev,
+ GFP_KERNEL, nic, iwl_ucode_callback);
+}
+
+struct iwlagn_firmware_pieces {
+ const void *inst, *data, *init, *init_data, *wowlan_inst, *wowlan_data;
+ size_t inst_size, data_size, init_size, init_data_size,
+ wowlan_inst_size, wowlan_data_size;
+
+ u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
+ u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
+};
+
+static int iwl_parse_v1_v2_firmware(struct iwl_nic *nic,
+ const struct firmware *ucode_raw,
+ struct iwlagn_firmware_pieces *pieces)
+{
+ struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
+ u32 api_ver, hdr_size, build;
+ char buildstr[25];
+ const u8 *src;
+
+ nic->fw.ucode_ver = le32_to_cpu(ucode->ver);
+ api_ver = IWL_UCODE_API(nic->fw.ucode_ver);
+
+ switch (api_ver) {
+ default:
+ hdr_size = 28;
+ if (ucode_raw->size < hdr_size) {
+ IWL_ERR(nic, "File size too small!\n");
+ return -EINVAL;
+ }
+ build = le32_to_cpu(ucode->u.v2.build);
+ pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size);
+ pieces->data_size = le32_to_cpu(ucode->u.v2.data_size);
+ pieces->init_size = le32_to_cpu(ucode->u.v2.init_size);
+ pieces->init_data_size = 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(nic, "File size too small!\n");
+ return -EINVAL;
+ }
+ build = 0;
+ pieces->inst_size = le32_to_cpu(ucode->u.v1.inst_size);
+ pieces->data_size = le32_to_cpu(ucode->u.v1.data_size);
+ pieces->init_size = le32_to_cpu(ucode->u.v1.init_size);
+ pieces->init_data_size = le32_to_cpu(ucode->u.v1.init_data_size);
+ src = ucode->u.v1.data;
+ break;
+ }
+
+ if (build)
+ sprintf(buildstr, " build %u%s", build,
+ (nic->fw_index == UCODE_EXPERIMENTAL_INDEX)
+ ? " (EXP)" : "");
+ else
+ buildstr[0] = '\0';
+
+ snprintf(nic->fw.fw_version,
+ sizeof(nic->fw.fw_version),
+ "%u.%u.%u.%u%s",
+ IWL_UCODE_MAJOR(nic->fw.ucode_ver),
+ IWL_UCODE_MINOR(nic->fw.ucode_ver),
+ IWL_UCODE_API(nic->fw.ucode_ver),
+ IWL_UCODE_SERIAL(nic->fw.ucode_ver),
+ buildstr);
+
+ /* Verify size of file vs. image size info in file's header */
+ if (ucode_raw->size != hdr_size + pieces->inst_size +
+ pieces->data_size + pieces->init_size +
+ pieces->init_data_size) {
+
+ IWL_ERR(nic,
+ "uCode file size %d does not match expected size\n",
+ (int)ucode_raw->size);
+ return -EINVAL;
+ }
+
+ pieces->inst = src;
+ src += pieces->inst_size;
+ pieces->data = src;
+ src += pieces->data_size;
+ pieces->init = src;
+ src += pieces->init_size;
+ pieces->init_data = src;
+ src += pieces->init_data_size;
+
+ return 0;
+}
+
+static int iwl_parse_tlv_firmware(struct iwl_nic *nic,
+ const struct firmware *ucode_raw,
+ struct iwlagn_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(nic, "uCode has invalid length: %zd\n", len);
+ return -EINVAL;
+ }
+
+ if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
+ IWL_ERR(nic, "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(nic,
+ "uCode alternative %d not available, choosing %d\n",
+ tmp, wanted_alternative);
+
+ nic->fw.ucode_ver = le32_to_cpu(ucode->ver);
+ build = le32_to_cpu(ucode->build);
+
+ if (build)
+ sprintf(buildstr, " build %u%s", build,
+ (nic->fw_index == UCODE_EXPERIMENTAL_INDEX)
+ ? " (EXP)" : "");
+ else
+ buildstr[0] = '\0';
+
+ snprintf(nic->fw.fw_version,
+ sizeof(nic->fw.fw_version),
+ "%u.%u.%u.%u%s",
+ IWL_UCODE_MAJOR(nic->fw.ucode_ver),
+ IWL_UCODE_MINOR(nic->fw.ucode_ver),
+ IWL_UCODE_API(nic->fw.ucode_ver),
+ IWL_UCODE_SERIAL(nic->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(nic, "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:
+ pieces->inst = tlv_data;
+ pieces->inst_size = tlv_len;
+ break;
+ case IWL_UCODE_TLV_DATA:
+ pieces->data = tlv_data;
+ pieces->data_size = tlv_len;
+ break;
+ case IWL_UCODE_TLV_INIT:
+ pieces->init = tlv_data;
+ pieces->init_size = tlv_len;
+ break;
+ case IWL_UCODE_TLV_INIT_DATA:
+ pieces->init_data = tlv_data;
+ pieces->init_data_size = tlv_len;
+ break;
+ case IWL_UCODE_TLV_BOOT:
+ IWL_ERR(nic, "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;
+ nic->fw.enhance_sensitivity_table = true;
+ break;
+ case IWL_UCODE_TLV_WOWLAN_INST:
+ pieces->wowlan_inst = tlv_data;
+ pieces->wowlan_inst_size = tlv_len;
+ break;
+ case IWL_UCODE_TLV_WOWLAN_DATA:
+ pieces->wowlan_data = tlv_data;
+ pieces->wowlan_data_size = tlv_len;
+ 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;
+ default:
+ IWL_DEBUG_INFO(nic, "unknown TLV: %d\n", tlv_type);
+ break;
+ }
+ }
+
+ if (len) {
+ IWL_ERR(nic, "invalid TLV after parsing: %zd\n", len);
+ iwl_print_hex_dump(nic, IWL_DL_FW, (u8 *)data, len);
+ return -EINVAL;
+ }
+
+ return 0;
+
+ invalid_tlv_len:
+ IWL_ERR(nic, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
+ iwl_print_hex_dump(nic, IWL_DL_FW, tlv_data, tlv_len);
+
+ return -EINVAL;
+}
+
+/**
+ * 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_nic *nic = context;
+ const struct iwl_cfg *cfg = cfg(nic);
+ struct iwl_fw *fw = &nic->fw;
+ struct iwl_ucode_header *ucode;
+ int err;
+ struct iwlagn_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;
+
+ 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 (nic->fw_index <= api_ok)
+ IWL_ERR(nic,
+ "request for firmware file '%s' failed.\n",
+ nic->firmware_name);
+ goto try_again;
+ }
+
+ IWL_DEBUG_INFO(nic, "Loaded firmware file '%s' (%zd bytes).\n",
+ nic->firmware_name, ucode_raw->size);
+
+ /* Make sure that we got at least the API version number */
+ if (ucode_raw->size < 4) {
+ IWL_ERR(nic, "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(nic, ucode_raw, &pieces);
+ else
+ err = iwl_parse_tlv_firmware(nic, ucode_raw, &pieces,
+ &fw->ucode_capa);
+
+ if (err)
+ goto try_again;
+
+ api_ver = IWL_UCODE_API(nic->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 (nic->fw_index != UCODE_EXPERIMENTAL_INDEX) {
+ if (api_ver < api_min || api_ver > api_max) {
+ IWL_ERR(nic,
+ "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(nic, "Firmware has old API version, "
+ "expected v%u through v%u, got v%u.\n",
+ api_ok, api_max, api_ver);
+ else
+ IWL_ERR(nic, "Firmware has old API version, "
+ "expected v%u, got v%u.\n",
+ api_max, api_ver);
+ IWL_ERR(nic, "New firmware can be obtained from "
+ "http://www.intellinuxwireless.org/.\n");
+ }
+ }
+
+ IWL_INFO(nic, "loaded firmware version %s", nic->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(nic, "f/w package hdr ucode version raw = 0x%x\n",
+ nic->fw.ucode_ver);
+ IWL_DEBUG_INFO(nic, "f/w package hdr runtime inst size = %Zd\n",
+ pieces.inst_size);
+ IWL_DEBUG_INFO(nic, "f/w package hdr runtime data size = %Zd\n",
+ pieces.data_size);
+ IWL_DEBUG_INFO(nic, "f/w package hdr init inst size = %Zd\n",
+ pieces.init_size);
+ IWL_DEBUG_INFO(nic, "f/w package hdr init data size = %Zd\n",
+ pieces.init_data_size);
+
+ /* Verify that uCode images will fit in card's SRAM */
+ if (pieces.inst_size > cfg->max_inst_size) {
+ IWL_ERR(nic, "uCode instr len %Zd too large to fit in\n",
+ pieces.inst_size);
+ goto try_again;
+ }
+
+ if (pieces.data_size > cfg->max_data_size) {
+ IWL_ERR(nic, "uCode data len %Zd too large to fit in\n",
+ pieces.data_size);
+ goto try_again;
+ }
+
+ if (pieces.init_size > cfg->max_inst_size) {
+ IWL_ERR(nic, "uCode init instr len %Zd too large to fit in\n",
+ pieces.init_size);
+ goto try_again;
+ }
+
+ if (pieces.init_data_size > cfg->max_data_size) {
+ IWL_ERR(nic, "uCode init data len %Zd too large to fit in\n",
+ pieces.init_data_size);
+ 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 */
+ if (iwl_alloc_fw_desc(nic, &nic->fw.ucode_rt.code,
+ pieces.inst, pieces.inst_size))
+ goto err_pci_alloc;
+ if (iwl_alloc_fw_desc(nic, &nic->fw.ucode_rt.data,
+ pieces.data, pieces.data_size))
+ goto err_pci_alloc;
+
+ /* Initialization instructions and data */
+ if (pieces.init_size && pieces.init_data_size) {
+ if (iwl_alloc_fw_desc(nic,
+ &nic->fw.ucode_init.code,
+ pieces.init, pieces.init_size))
+ goto err_pci_alloc;
+ if (iwl_alloc_fw_desc(nic,
+ &nic->fw.ucode_init.data,
+ pieces.init_data, pieces.init_data_size))
+ goto err_pci_alloc;
+ }
+
+ /* WoWLAN instructions and data */
+ if (pieces.wowlan_inst_size && pieces.wowlan_data_size) {
+ if (iwl_alloc_fw_desc(nic,
+ &nic->fw.ucode_wowlan.code,
+ pieces.wowlan_inst,
+ pieces.wowlan_inst_size))
+ goto err_pci_alloc;
+ if (iwl_alloc_fw_desc(nic,
+ &nic->fw.ucode_wowlan.data,
+ pieces.wowlan_data,
+ pieces.wowlan_data_size))
+ 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.
+ */
+ nic->init_evtlog_ptr = pieces.init_evtlog_ptr;
+ if (pieces.init_evtlog_size)
+ nic->init_evtlog_size = (pieces.init_evtlog_size - 16)/12;
+ else
+ nic->init_evtlog_size =
+ cfg->base_params->max_event_log_size;
+ nic->init_errlog_ptr = pieces.init_errlog_ptr;
+ nic->inst_evtlog_ptr = pieces.inst_evtlog_ptr;
+ if (pieces.inst_evtlog_size)
+ nic->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12;
+ else
+ nic->inst_evtlog_size =
+ cfg->base_params->max_event_log_size;
+ nic->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(&nic->request_firmware_complete);
+
+ nic->op_mode = iwl_dvm_ops.start(nic->shrd->trans);
+
+ if (!nic->op_mode)
+ goto out_unbind;
+
+ return;
+
+ try_again:
+ /* try next, if any */
+ release_firmware(ucode_raw);
+ if (iwl_request_firmware(nic, false))
+ goto out_unbind;
+ return;
+
+ err_pci_alloc:
+ IWL_ERR(nic, "failed to allocate pci memory\n");
+ iwl_dealloc_ucode(nic);
+ release_firmware(ucode_raw);
+ out_unbind:
+ complete(&nic->request_firmware_complete);
+ device_release_driver(trans(nic)->dev);
+}
+
projects / deliverable / linux.git / blobdiff