diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-ucode.c | 23 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 98 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-debugfs.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-dev.h | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-helpers.h | 24 |
6 files changed, 65 insertions, 98 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c index 56dc7712aa7..c3ae2e44fcc 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c @@ -161,17 +161,16 @@ static int iwlagn_load_section(struct iwl_priv *priv, const char *name, } static int iwlagn_load_given_ucode(struct iwl_priv *priv, - struct fw_desc *inst_image, - struct fw_desc *data_image) + struct fw_img *image) { int ret = 0; - ret = iwlagn_load_section(priv, "INST", inst_image, + ret = iwlagn_load_section(priv, "INST", &image->code, IWLAGN_RTC_INST_LOWER_BOUND); if (ret) return ret; - return iwlagn_load_section(priv, "DATA", data_image, + return iwlagn_load_section(priv, "DATA", &image->data, IWLAGN_RTC_DATA_LOWER_BOUND); } @@ -557,16 +556,16 @@ static void iwl_print_mismatch_inst(struct iwl_priv *priv, * iwl_verify_ucode - determine which instruction image is in SRAM, * and verify its contents */ -static int iwl_verify_ucode(struct iwl_priv *priv, struct fw_desc *fw_desc) +static int iwl_verify_ucode(struct iwl_priv *priv, struct fw_img *img) { - if (!iwlcore_verify_inst_sparse(priv, fw_desc)) { + if (!iwlcore_verify_inst_sparse(priv, &img->code)) { IWL_DEBUG_INFO(priv, "uCode is good in inst SRAM\n"); return 0; } IWL_ERR(priv, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n"); - iwl_print_mismatch_inst(priv, fw_desc); + iwl_print_mismatch_inst(priv, &img->code); return -EIO; } @@ -602,8 +601,7 @@ static void iwlagn_alive_fn(struct iwl_priv *priv, #define UCODE_CALIB_TIMEOUT (2*HZ) int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, - struct fw_desc *inst_image, - struct fw_desc *data_image, + struct fw_img *image, int subtype, int alternate_subtype) { struct iwl_notification_wait alive_wait; @@ -621,7 +619,7 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, old_type = priv->ucode_type; priv->ucode_type = subtype; - ret = iwlagn_load_given_ucode(priv, inst_image, data_image); + ret = iwlagn_load_given_ucode(priv, image); if (ret) { priv->ucode_type = old_type; iwlagn_remove_notification(priv, &alive_wait); @@ -656,7 +654,7 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, return -EIO; } - ret = iwl_verify_ucode(priv, inst_image); + ret = iwl_verify_ucode(priv, image); if (ret) { priv->ucode_type = old_type; return ret; @@ -684,7 +682,7 @@ int iwlagn_run_init_ucode(struct iwl_priv *priv) lockdep_assert_held(&priv->mutex); /* No init ucode required? Curious, but maybe ok */ - if (!priv->ucode_init.len) + if (!priv->ucode_init.code.len) return 0; if (priv->ucode_type != UCODE_SUBTYPE_NONE_LOADED) @@ -696,7 +694,6 @@ int iwlagn_run_init_ucode(struct iwl_priv *priv) /* Will also start the device */ ret = iwlagn_load_ucode_wait_alive(priv, &priv->ucode_init, - &priv->ucode_init_data, UCODE_SUBTYPE_INIT, -1); if (ret) goto error; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 12cd5e0352b..f30735b656c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -1173,12 +1173,42 @@ static struct attribute_group iwl_attribute_group = { * ******************************************************************************/ +static void iwl_free_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc) +{ + if (desc->v_addr) + dma_free_coherent(&pci_dev->dev, desc->len, + desc->v_addr, desc->p_addr); + desc->v_addr = NULL; + desc->len = 0; +} + +static void iwl_free_fw_img(struct pci_dev *pci_dev, struct fw_img *img) +{ + iwl_free_fw_desc(pci_dev, &img->code); + iwl_free_fw_desc(pci_dev, &img->data); +} + +static int iwl_alloc_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc, + const void *data, size_t len) +{ + if (!len) { + desc->v_addr = NULL; + return -EINVAL; + } + + desc->v_addr = dma_alloc_coherent(&pci_dev->dev, len, + &desc->p_addr, GFP_KERNEL); + if (!desc->v_addr) + return -ENOMEM; + desc->len = len; + memcpy(desc->v_addr, data, len); + return 0; +} + static void iwl_dealloc_ucode_pci(struct iwl_priv *priv) { - iwl_free_fw_desc(priv->pci_dev, &priv->ucode_code); - iwl_free_fw_desc(priv->pci_dev, &priv->ucode_data); - iwl_free_fw_desc(priv->pci_dev, &priv->ucode_init); - iwl_free_fw_desc(priv->pci_dev, &priv->ucode_init_data); + iwl_free_fw_img(priv->pci_dev, &priv->ucode_rt); + iwl_free_fw_img(priv->pci_dev, &priv->ucode_init); } struct iwlagn_ucode_capabilities { @@ -1647,24 +1677,20 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) /* Runtime instructions and 2 copies of data: * 1) unmodified from disk * 2) backup cache for save/restore during power-downs */ - priv->ucode_code.len = pieces.inst_size; - iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_code); - - priv->ucode_data.len = pieces.data_size; - iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_data); - - if (!priv->ucode_code.v_addr || !priv->ucode_data.v_addr) + if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_rt.code, + pieces.inst, pieces.inst_size)) + goto err_pci_alloc; + if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_rt.data, + pieces.data, pieces.data_size)) goto err_pci_alloc; /* Initialization instructions and data */ if (pieces.init_size && pieces.init_data_size) { - priv->ucode_init.len = pieces.init_size; - iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init); - - priv->ucode_init_data.len = pieces.init_data_size; - iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init_data); - - if (!priv->ucode_init.v_addr || !priv->ucode_init_data.v_addr) + if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init.code, + pieces.init, pieces.init_size)) + goto err_pci_alloc; + if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init.data, + pieces.init_data, pieces.init_data_size)) goto err_pci_alloc; } @@ -1701,39 +1727,6 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) else priv->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; - /* Copy images into buffers for card's bus-master reads ... */ - - /* Runtime instructions (first block of data in file) */ - IWL_DEBUG_INFO(priv, "Copying (but not loading) uCode instr len %Zd\n", - pieces.inst_size); - memcpy(priv->ucode_code.v_addr, pieces.inst, pieces.inst_size); - - IWL_DEBUG_INFO(priv, "uCode instr buf vaddr = 0x%p, paddr = 0x%08x\n", - priv->ucode_code.v_addr, (u32)priv->ucode_code.p_addr); - - /* - * Runtime data - * NOTE: Copy into backup buffer will be done in iwl_up() - */ - IWL_DEBUG_INFO(priv, "Copying (but not loading) uCode data len %Zd\n", - pieces.data_size); - memcpy(priv->ucode_data.v_addr, pieces.data, pieces.data_size); - - /* Initialization instructions */ - if (pieces.init_size) { - IWL_DEBUG_INFO(priv, "Copying (but not loading) init instr len %Zd\n", - pieces.init_size); - memcpy(priv->ucode_init.v_addr, pieces.init, pieces.init_size); - } - - /* Initialization data */ - if (pieces.init_data_size) { - IWL_DEBUG_INFO(priv, "Copying (but not loading) init data len %Zd\n", - pieces.init_data_size); - memcpy(priv->ucode_init_data.v_addr, pieces.init_data, - pieces.init_data_size); - } - /* * figure out the offset of chain noise reset and gain commands * base on the size of standard phy calibration commands table size @@ -2450,8 +2443,7 @@ static int __iwl_up(struct iwl_priv *priv) } ret = iwlagn_load_ucode_wait_alive(priv, - &priv->ucode_code, - &priv->ucode_data, + &priv->ucode_rt, UCODE_SUBTYPE_REGULAR, UCODE_SUBTYPE_REGULAR_NEW); if (ret) { diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h index cf05f87ec80..c475ac42759 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn.h @@ -164,8 +164,7 @@ int iwlagn_send_bt_env(struct iwl_priv *priv, u8 action, u8 type); void iwlagn_send_prio_tbl(struct iwl_priv *priv); int iwlagn_run_init_ucode(struct iwl_priv *priv); int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, - struct fw_desc *inst_image, - struct fw_desc *data_image, + struct fw_img *image, int subtype, int alternate_subtype); /* lib */ diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 2b606889b64..7bd4f5af5b0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -227,9 +227,9 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file, if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { priv->dbgfs_sram_offset = 0x800000; if (priv->ucode_type == UCODE_SUBTYPE_INIT) - priv->dbgfs_sram_len = priv->ucode_init_data.len; + priv->dbgfs_sram_len = priv->ucode_init.data.len; else - priv->dbgfs_sram_len = priv->ucode_data.len; + priv->dbgfs_sram_len = priv->ucode_rt.data.len; } len = priv->dbgfs_sram_len; diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 414968c6b7c..857eb0e9e39 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -479,6 +479,10 @@ struct fw_desc { u32 len; /* bytes */ }; +struct fw_img { + struct fw_desc code, data; +}; + /* v1/v2 uCode file layout */ struct iwl_ucode_header { __le32 ver; /* major/minor/API/serial */ @@ -1266,10 +1270,9 @@ struct iwl_priv { int fw_index; /* firmware we're trying to load */ u32 ucode_ver; /* version of ucode, copy of iwl_ucode.ver */ - struct fw_desc ucode_code; /* runtime inst */ - struct fw_desc ucode_data; /* runtime data original */ - struct fw_desc ucode_init; /* initialization inst */ - struct fw_desc ucode_init_data; /* initialization data */ + struct fw_img ucode_rt; + struct fw_img ucode_init; + enum iwlagn_ucode_subtype ucode_type; u8 ucode_write_complete; /* the image write is complete */ char firmware_name[25]; diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h index 9309ff2df4c..41207a3645b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-helpers.h +++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h @@ -64,30 +64,6 @@ static inline int iwl_queue_dec_wrap(int index, int n_bd) return --index & (n_bd - 1); } -/* TODO: Move fw_desc functions to iwl-pci.ko */ -static inline void iwl_free_fw_desc(struct pci_dev *pci_dev, - struct fw_desc *desc) -{ - if (desc->v_addr) - dma_free_coherent(&pci_dev->dev, desc->len, - desc->v_addr, desc->p_addr); - desc->v_addr = NULL; - desc->len = 0; -} - -static inline int iwl_alloc_fw_desc(struct pci_dev *pci_dev, - struct fw_desc *desc) -{ - if (!desc->len) { - desc->v_addr = NULL; - return -EINVAL; - } - - desc->v_addr = dma_alloc_coherent(&pci_dev->dev, desc->len, - &desc->p_addr, GFP_KERNEL); - return (desc->v_addr != NULL) ? 0 : -ENOMEM; -} - /* * we have 8 bits used like this: * |