From ce5000710bd80b87917875897d74167a0a07b342 Mon Sep 17 00:00:00 2001 From: Eran Harary Date: Mon, 1 Dec 2014 17:53:53 +0200 Subject: [PATCH] iwlwifi: mvm: support new PHY_SKU nvm section for family 8000 B0 Starting from family 8000 B0 step the radio_cfg parameters and the get_sku parameters moved from SW section to PHY_SKU section. Signed-off-by: Eran Harary Reviewed-by: Johannes Berg Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/iwlwifi/iwl-nvm-parse.c | 49 +++++++++++++++----- drivers/net/wireless/iwlwifi/iwl-nvm-parse.h | 5 +- drivers/net/wireless/iwlwifi/mvm/fw-api.h | 3 +- drivers/net/wireless/iwlwifi/mvm/nvm.c | 20 ++++++-- 4 files changed, 60 insertions(+), 17 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c index bca4582f4e73..d9423eda6ad9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c @@ -103,6 +103,11 @@ enum family_8000_nvm_offsets { SKU_FAMILY_8000 = 4, N_HW_ADDRS_FAMILY_8000 = 5, + /* NVM PHY-SKU-Section offset (in words) for B0 */ + RADIO_CFG_FAMILY_8000_B0 = 0, + SKU_FAMILY_8000_B0 = 2, + N_HW_ADDRS_FAMILY_8000_B0 = 3, + /* NVM REGULATORY -Section offset (in words) definitions */ NVM_CHANNELS_FAMILY_8000 = 0, NVM_LAR_OFFSET_FAMILY_8000 = 0x4C7, @@ -150,6 +155,7 @@ static const u8 iwl_nvm_channels_family_8000[] = { #define LAST_2GHZ_HT_PLUS 9 #define LAST_5GHZ_HT 165 #define LAST_5GHZ_HT_FAMILY_8000 181 +#define N_HW_ADDR_MASK 0xF /* rate data (static) */ static struct ieee80211_rate iwl_cfg80211_rates[] = { @@ -440,10 +446,15 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, } static int iwl_get_sku(const struct iwl_cfg *cfg, - const __le16 *nvm_sw) + const __le16 *nvm_sw, const __le16 *phy_sku, + bool is_family_8000_a_step) { if (cfg->device_family != IWL_DEVICE_FAMILY_8000) return le16_to_cpup(nvm_sw + SKU); + + if (!is_family_8000_a_step) + return le32_to_cpup((__le32 *)(phy_sku + + SKU_FAMILY_8000_B0)); else return le32_to_cpup((__le32 *)(nvm_sw + SKU_FAMILY_8000)); } @@ -459,23 +470,36 @@ static int iwl_get_nvm_version(const struct iwl_cfg *cfg, } static int iwl_get_radio_cfg(const struct iwl_cfg *cfg, - const __le16 *nvm_sw) + const __le16 *nvm_sw, const __le16 *phy_sku, + bool is_family_8000_a_step) { if (cfg->device_family != IWL_DEVICE_FAMILY_8000) return le16_to_cpup(nvm_sw + RADIO_CFG); + + if (!is_family_8000_a_step) + return le32_to_cpup((__le32 *)(phy_sku + + RADIO_CFG_FAMILY_8000_B0)); else return le32_to_cpup((__le32 *)(nvm_sw + RADIO_CFG_FAMILY_8000)); + } -#define N_HW_ADDRS_MASK_FAMILY_8000 0xF static int iwl_get_n_hw_addrs(const struct iwl_cfg *cfg, - const __le16 *nvm_sw) + const __le16 *nvm_sw, bool is_family_8000_a_step) { + int n_hw_addr; + if (cfg->device_family != IWL_DEVICE_FAMILY_8000) return le16_to_cpup(nvm_sw + N_HW_ADDRS); + + if (!is_family_8000_a_step) + n_hw_addr = le32_to_cpup((__le32 *)(nvm_sw + + N_HW_ADDRS_FAMILY_8000_B0)); else - return le32_to_cpup((__le32 *)(nvm_sw + N_HW_ADDRS_FAMILY_8000)) - & N_HW_ADDRS_MASK_FAMILY_8000; + n_hw_addr = le32_to_cpup((__le32 *)(nvm_sw + + N_HW_ADDRS_FAMILY_8000)); + + return n_hw_addr & N_HW_ADDR_MASK; } static void iwl_set_radio_cfg(const struct iwl_cfg *cfg, @@ -598,8 +622,9 @@ struct iwl_nvm_data * iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg, const __le16 *nvm_hw, const __le16 *nvm_sw, const __le16 *nvm_calib, const __le16 *regulatory, - const __le16 *mac_override, u8 tx_chains, u8 rx_chains, - bool lar_fw_supported) + const __le16 *mac_override, const __le16 *phy_sku, + u8 tx_chains, u8 rx_chains, + bool lar_fw_supported, bool is_family_8000_a_step) { struct iwl_nvm_data *data; u32 sku; @@ -621,14 +646,15 @@ iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg, data->nvm_version = iwl_get_nvm_version(cfg, nvm_sw); - radio_cfg = iwl_get_radio_cfg(cfg, nvm_sw); + radio_cfg = + iwl_get_radio_cfg(cfg, nvm_sw, phy_sku, is_family_8000_a_step); iwl_set_radio_cfg(cfg, data, radio_cfg); if (data->valid_tx_ant) tx_chains &= data->valid_tx_ant; if (data->valid_rx_ant) rx_chains &= data->valid_rx_ant; - sku = iwl_get_sku(cfg, nvm_sw); + sku = iwl_get_sku(cfg, nvm_sw, phy_sku, is_family_8000_a_step); data->sku_cap_band_24GHz_enable = sku & NVM_SKU_CAP_BAND_24GHZ; data->sku_cap_band_52GHz_enable = sku & NVM_SKU_CAP_BAND_52GHZ; data->sku_cap_11n_enable = sku & NVM_SKU_CAP_11N_ENABLE; @@ -637,7 +663,8 @@ iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg, data->sku_cap_11ac_enable = data->sku_cap_11n_enable && (sku & NVM_SKU_CAP_11AC_ENABLE); - data->n_hw_addrs = iwl_get_n_hw_addrs(cfg, nvm_sw); + data->n_hw_addrs = + iwl_get_n_hw_addrs(cfg, nvm_sw, is_family_8000_a_step); if (cfg->device_family != IWL_DEVICE_FAMILY_8000) { /* Checking for required sections */ diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.h b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.h index c950c142ba0f..18c3ff2c5593 100644 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.h +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.h @@ -77,8 +77,9 @@ struct iwl_nvm_data * iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg, const __le16 *nvm_hw, const __le16 *nvm_sw, const __le16 *nvm_calib, const __le16 *regulatory, - const __le16 *mac_override, u8 tx_chains, u8 rx_chains, - bool lar_fw_supported); + const __le16 *mac_override, const __le16 *phy_sku, + u8 tx_chains, u8 rx_chains, + bool lar_fw_supported, bool is_family_8000_a_step); /** * iwl_parse_mcc_info - parse MCC (mobile country code) info coming from FW diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h index c4b59ecb3606..f514fae017d1 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h @@ -366,7 +366,8 @@ enum { NVM_SECTION_TYPE_CALIBRATION = 4, NVM_SECTION_TYPE_PRODUCTION = 5, NVM_SECTION_TYPE_MAC_OVERRIDE = 11, - NVM_MAX_NUM_SECTIONS = 12, + NVM_SECTION_TYPE_PHY_SKU = 12, + NVM_MAX_NUM_SECTIONS = 13, }; /** diff --git a/drivers/net/wireless/iwlwifi/mvm/nvm.c b/drivers/net/wireless/iwlwifi/mvm/nvm.c index 1c699c9aaad3..eb40c89624d3 100644 --- a/drivers/net/wireless/iwlwifi/mvm/nvm.c +++ b/drivers/net/wireless/iwlwifi/mvm/nvm.c @@ -263,7 +263,8 @@ static struct iwl_nvm_data * iwl_parse_nvm_sections(struct iwl_mvm *mvm) { struct iwl_nvm_section *sections = mvm->nvm_sections; - const __le16 *hw, *sw, *calib, *regulatory, *mac_override; + const __le16 *hw, *sw, *calib, *regulatory, *mac_override, *phy_sku; + bool is_family_8000_a_step = false; /* Checking for required sections */ if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) { @@ -287,6 +288,17 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm) "Can't parse mac_address, empty sections\n"); return NULL; } + + if (CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_A_STEP) + is_family_8000_a_step = true; + + /* PHY_SKU section is mandatory in B0 */ + if (!is_family_8000_a_step && + !mvm->nvm_sections[NVM_SECTION_TYPE_PHY_SKU].data) { + IWL_ERR(mvm, + "Can't parse phy_sku in B0, empty sections\n"); + return NULL; + } } if (WARN_ON(!mvm->cfg)) @@ -298,13 +310,15 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm) regulatory = (const __le16 *)sections[NVM_SECTION_TYPE_REGULATORY].data; mac_override = (const __le16 *)sections[NVM_SECTION_TYPE_MAC_OVERRIDE].data; + phy_sku = (const __le16 *)sections[NVM_SECTION_TYPE_PHY_SKU].data; return iwl_parse_nvm_data(mvm->trans->dev, mvm->cfg, hw, sw, calib, - regulatory, mac_override, + regulatory, mac_override, phy_sku, mvm->fw->valid_tx_ant, mvm->fw->valid_rx_ant, mvm->fw->ucode_capa.capa[0] & - IWL_UCODE_TLV_CAPA_LAR_SUPPORT); + IWL_UCODE_TLV_CAPA_LAR_SUPPORT, + is_family_8000_a_step); } #define MAX_NVM_FILE_LEN 16384