#include "iwl-drv.h"
#include "iwl-trans.h"
-#include "iwl-wifi.h"
#include "iwl-shared.h"
#include "iwl-op-mode.h"
/* private includes */
#include "iwl-ucode.h"
-static void iwl_free_fw_desc(struct iwl_nic *nic, struct fw_desc *desc)
+/**
+ * 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;
+};
+
+
+
+static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
{
if (desc->v_addr)
- dma_free_coherent(trans(nic)->dev, desc->len,
+ 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_nic *nic, struct fw_img *img)
+static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
{
- iwl_free_fw_desc(nic, &img->code);
- iwl_free_fw_desc(nic, &img->data);
+ iwl_free_fw_desc(drv, &img->code);
+ iwl_free_fw_desc(drv, &img->data);
}
-static void iwl_dealloc_ucode(struct iwl_nic *nic)
+static void iwl_dealloc_ucode(struct iwl_drv *drv)
{
- 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);
+ iwl_free_fw_img(drv, &drv->fw.ucode_rt);
+ iwl_free_fw_img(drv, &drv->fw.ucode_init);
+ iwl_free_fw_img(drv, &drv->fw.ucode_wowlan);
}
-static int iwl_alloc_fw_desc(struct iwl_nic *nic, struct fw_desc *desc,
+static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
const void *data, size_t len)
{
if (!len) {
return -EINVAL;
}
- desc->v_addr = dma_alloc_coherent(trans(nic)->dev, len,
+ desc->v_addr = dma_alloc_coherent(trans(drv)->dev, len,
&desc->p_addr, GFP_KERNEL);
if (!desc->v_addr)
return -ENOMEM;
#define UCODE_EXPERIMENTAL_INDEX 100
#define UCODE_EXPERIMENTAL_TAG "exp"
-static int iwl_request_firmware(struct iwl_nic *nic, bool first)
+static int iwl_request_firmware(struct iwl_drv *drv, bool first)
{
- const struct iwl_cfg *cfg = cfg(nic);
+ 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
- nic->fw_index = UCODE_EXPERIMENTAL_INDEX;
+ drv->fw_index = UCODE_EXPERIMENTAL_INDEX;
strcpy(tag, UCODE_EXPERIMENTAL_TAG);
- } else if (nic->fw_index == UCODE_EXPERIMENTAL_INDEX) {
+ } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
#endif
- nic->fw_index = cfg->ucode_api_max;
- sprintf(tag, "%d", nic->fw_index);
+ drv->fw_index = cfg->ucode_api_max;
+ sprintf(tag, "%d", drv->fw_index);
} else {
- nic->fw_index--;
- sprintf(tag, "%d", nic->fw_index);
+ drv->fw_index--;
+ sprintf(tag, "%d", drv->fw_index);
}
- if (nic->fw_index < cfg->ucode_api_min) {
- IWL_ERR(nic, "no suitable firmware found!\n");
+ if (drv->fw_index < cfg->ucode_api_min) {
+ IWL_ERR(drv, "no suitable firmware found!\n");
return -ENOENT;
}
- sprintf(nic->firmware_name, "%s%s%s", name_pre, tag, ".ucode");
+ sprintf(drv->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)
+ IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
+ (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
? "EXPERIMENTAL " : "",
- nic->firmware_name);
+ drv->firmware_name);
- return request_firmware_nowait(THIS_MODULE, 1, nic->firmware_name,
- trans(nic)->dev,
- GFP_KERNEL, nic, iwl_ucode_callback);
+ return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
+ trans(drv)->dev,
+ GFP_KERNEL, drv, iwl_ucode_callback);
}
struct iwlagn_firmware_pieces {
u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
};
-static int iwl_parse_v1_v2_firmware(struct iwl_nic *nic,
+static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
const struct firmware *ucode_raw,
struct iwlagn_firmware_pieces *pieces)
{
char buildstr[25];
const u8 *src;
- nic->fw.ucode_ver = le32_to_cpu(ucode->ver);
- api_ver = IWL_UCODE_API(nic->fw.ucode_ver);
+ 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(nic, "File size too small!\n");
+ IWL_ERR(drv, "File size too small!\n");
return -EINVAL;
}
build = le32_to_cpu(ucode->u.v2.build);
case 2:
hdr_size = 24;
if (ucode_raw->size < hdr_size) {
- IWL_ERR(nic, "File size too small!\n");
+ IWL_ERR(drv, "File size too small!\n");
return -EINVAL;
}
build = 0;
if (build)
sprintf(buildstr, " build %u%s", build,
- (nic->fw_index == UCODE_EXPERIMENTAL_INDEX)
+ (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
? " (EXP)" : "");
else
buildstr[0] = '\0';
- snprintf(nic->fw.fw_version,
- sizeof(nic->fw.fw_version),
+ snprintf(drv->fw.fw_version,
+ sizeof(drv->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),
+ 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 */
pieces->data_size + pieces->init_size +
pieces->init_data_size) {
- IWL_ERR(nic,
+ IWL_ERR(drv,
"uCode file size %d does not match expected size\n",
(int)ucode_raw->size);
return -EINVAL;
return 0;
}
-static int iwl_parse_tlv_firmware(struct iwl_nic *nic,
+static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
const struct firmware *ucode_raw,
struct iwlagn_firmware_pieces *pieces,
struct iwl_ucode_capabilities *capa)
u32 build;
if (len < sizeof(*ucode)) {
- IWL_ERR(nic, "uCode has invalid length: %zd\n", len);
+ IWL_ERR(drv, "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",
+ IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
le32_to_cpu(ucode->magic));
return -EINVAL;
}
while (wanted_alternative && !(alternatives & BIT(wanted_alternative)))
wanted_alternative--;
if (wanted_alternative && wanted_alternative != tmp)
- IWL_WARN(nic,
+ IWL_WARN(drv,
"uCode alternative %d not available, choosing %d\n",
tmp, wanted_alternative);
- nic->fw.ucode_ver = le32_to_cpu(ucode->ver);
+ drv->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)
+ (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
? " (EXP)" : "");
else
buildstr[0] = '\0';
- snprintf(nic->fw.fw_version,
- sizeof(nic->fw.fw_version),
+ snprintf(drv->fw.fw_version,
+ sizeof(drv->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),
+ 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;
tlv_data = tlv->data;
if (len < tlv_len) {
- IWL_ERR(nic, "invalid TLV len: %zd/%u\n",
+ IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
len, tlv_len);
return -EINVAL;
}
pieces->init_data_size = tlv_len;
break;
case IWL_UCODE_TLV_BOOT:
- IWL_ERR(nic, "Found unexpected BOOT ucode\n");
+ IWL_ERR(drv, "Found unexpected BOOT ucode\n");
break;
case IWL_UCODE_TLV_PROBE_MAX_LEN:
if (tlv_len != sizeof(u32))
case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
if (tlv_len)
goto invalid_tlv_len;
- nic->fw.enhance_sensitivity_table = true;
+ drv->fw.enhance_sensitivity_table = true;
break;
case IWL_UCODE_TLV_WOWLAN_INST:
pieces->wowlan_inst = tlv_data;
le32_to_cpup((__le32 *)tlv_data);
break;
default:
- IWL_DEBUG_INFO(nic, "unknown TLV: %d\n", tlv_type);
+ IWL_DEBUG_INFO(drv, "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);
+ 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(nic, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
- iwl_print_hex_dump(nic, IWL_DL_FW, tlv_data, tlv_len);
+ IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
+ iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
return -EINVAL;
}
*/
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_drv *drv = context;
+ const struct iwl_cfg *cfg = cfg(drv);
+ struct iwl_fw *fw = &drv->fw;
struct iwl_ucode_header *ucode;
int err;
struct iwlagn_firmware_pieces pieces;
memset(&pieces, 0, sizeof(pieces));
if (!ucode_raw) {
- if (nic->fw_index <= api_ok)
- IWL_ERR(nic,
+ if (drv->fw_index <= api_ok)
+ IWL_ERR(drv,
"request for firmware file '%s' failed.\n",
- nic->firmware_name);
+ drv->firmware_name);
goto try_again;
}
- IWL_DEBUG_INFO(nic, "Loaded firmware file '%s' (%zd bytes).\n",
- nic->firmware_name, ucode_raw->size);
+ 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(nic, "File size way too small!\n");
+ IWL_ERR(drv, "File size way too small!\n");
goto try_again;
}
ucode = (struct iwl_ucode_header *)ucode_raw->data;
if (ucode->ver)
- err = iwl_parse_v1_v2_firmware(nic, ucode_raw, &pieces);
+ err = iwl_parse_v1_v2_firmware(drv, ucode_raw, &pieces);
else
- err = iwl_parse_tlv_firmware(nic, ucode_raw, &pieces,
+ err = iwl_parse_tlv_firmware(drv, ucode_raw, &pieces,
&fw->ucode_capa);
if (err)
goto try_again;
- api_ver = IWL_UCODE_API(nic->fw.ucode_ver);
+ api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
/*
* api_ver should match the api version forming part of the
* 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 (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
if (api_ver < api_min || api_ver > api_max) {
- IWL_ERR(nic,
+ IWL_ERR(drv,
"Driver unable to support your firmware API. "
"Driver supports v%u, firmware is v%u.\n",
api_max, api_ver);
if (api_ver < api_ok) {
if (api_ok != api_max)
- IWL_ERR(nic, "Firmware has old API version, "
+ 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(nic, "Firmware has old API version, "
+ IWL_ERR(drv, "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 "
+ IWL_ERR(drv, "New firmware can be obtained from "
"http://www.intellinuxwireless.org/.\n");
}
}
- IWL_INFO(nic, "loaded firmware version %s", nic->fw.fw_version);
+ IWL_INFO(drv, "loaded firmware version %s", drv->fw.fw_version);
/*
* For any of the failures below (before allocating pci memory)
* 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",
+ 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",
pieces.inst_size);
- IWL_DEBUG_INFO(nic, "f/w package hdr runtime data size = %Zd\n",
+ IWL_DEBUG_INFO(drv, "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",
+ IWL_DEBUG_INFO(drv, "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",
+ IWL_DEBUG_INFO(drv, "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",
+ IWL_ERR(drv, "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",
+ IWL_ERR(drv, "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",
+ IWL_ERR(drv, "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",
+ IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
pieces.init_data_size);
goto try_again;
}
/* 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,
+ if (iwl_alloc_fw_desc(drv, &drv->fw.ucode_rt.code,
pieces.inst, pieces.inst_size))
goto err_pci_alloc;
- if (iwl_alloc_fw_desc(nic, &nic->fw.ucode_rt.data,
+ if (iwl_alloc_fw_desc(drv, &drv->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,
+ if (iwl_alloc_fw_desc(drv,
+ &drv->fw.ucode_init.code,
pieces.init, pieces.init_size))
goto err_pci_alloc;
- if (iwl_alloc_fw_desc(nic,
- &nic->fw.ucode_init.data,
+ if (iwl_alloc_fw_desc(drv,
+ &drv->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,
+ if (iwl_alloc_fw_desc(drv,
+ &drv->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,
+ if (iwl_alloc_fw_desc(drv,
+ &drv->fw.ucode_wowlan.data,
pieces.wowlan_data,
pieces.wowlan_data_size))
goto err_pci_alloc;
/* We have our copies now, allow OS release its copies */
release_firmware(ucode_raw);
- complete(&nic->request_firmware_complete);
+ complete(&drv->request_firmware_complete);
- nic->op_mode = iwl_dvm_ops.start(nic->shrd->trans, &nic->fw);
+ drv->op_mode = iwl_dvm_ops.start(drv->shrd->trans, &drv->fw);
- if (!nic->op_mode)
+ if (!drv->op_mode)
goto out_unbind;
return;
try_again:
/* try next, if any */
release_firmware(ucode_raw);
- if (iwl_request_firmware(nic, false))
+ if (iwl_request_firmware(drv, false))
goto out_unbind;
return;
err_pci_alloc:
- IWL_ERR(nic, "failed to allocate pci memory\n");
- iwl_dealloc_ucode(nic);
+ IWL_ERR(drv, "failed to allocate pci memory\n");
+ iwl_dealloc_ucode(drv);
release_firmware(ucode_raw);
out_unbind:
- complete(&nic->request_firmware_complete);
- device_release_driver(trans(nic)->dev);
+ 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_nic *nic;
+ struct iwl_drv *drv;
int ret;
shrd->cfg = cfg;
- nic = kzalloc(sizeof(*nic), GFP_KERNEL);
- if (!nic) {
- dev_printk(KERN_ERR, trans->dev, "Couldn't allocate iwl_nic");
+ drv = kzalloc(sizeof(*drv), GFP_KERNEL);
+ if (!drv) {
+ dev_printk(KERN_ERR, trans->dev, "Couldn't allocate iwl_drv");
return -ENOMEM;
}
- nic->shrd = shrd;
- shrd->nic = nic;
+ drv->shrd = shrd;
+ shrd->drv = drv;
- init_completion(&nic->request_firmware_complete);
+ init_completion(&drv->request_firmware_complete);
- ret = iwl_request_firmware(nic, true);
+ ret = iwl_request_firmware(drv, true);
if (ret) {
dev_printk(KERN_ERR, trans->dev, "Couldn't request the fw");
- kfree(nic);
- shrd->nic = NULL;
+ kfree(drv);
+ shrd->drv = NULL;
}
return ret;
void iwl_drv_stop(struct iwl_shared *shrd)
{
- struct iwl_nic *nic = shrd->nic;
+ struct iwl_drv *drv = shrd->drv;
- wait_for_completion(&nic->request_firmware_complete);
+ wait_for_completion(&drv->request_firmware_complete);
/* op_mode can be NULL if its start failed */
- if (nic->op_mode)
- iwl_op_mode_stop(nic->op_mode);
+ if (drv->op_mode)
+ iwl_op_mode_stop(drv->op_mode);
- iwl_dealloc_ucode(nic);
+ iwl_dealloc_ucode(drv);
- kfree(nic);
- shrd->nic = NULL;
+ kfree(drv);
+ shrd->drv = NULL;
}
projects / platform / kernel / linux-rpi.git / commitdiff