iwlwifi: mvm: new NVM format in family 8000

Support the changes below:
- Fields and sections structure were changed.
- the NVM file built from DWord instead of Words.
- sections header format was changed.

Signed-off-by: Eran Harary <eran.harary@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

1 files changed, 190 insertions, 49 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
index 42780971aa04..df3ea60c87d9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
@@ -71,7 +71,7 @@ enum wkp_nvm_offsets {
         /* NVM HW-Section offset (in words) definitions */
         HW_ADDR = 0x15,
 
-/* NVM SW-Section offset (in words) definitions */
+        /* NVM SW-Section offset (in words) definitions */
         NVM_SW_SECTION = 0x1C0,
         NVM_VERSION = 0,
         RADIO_CFG = 1,
@@ -79,11 +79,32 @@ enum wkp_nvm_offsets {
         N_HW_ADDRS = 3,
         NVM_CHANNELS = 0x1E0 - NVM_SW_SECTION,
 
-/* NVM calibration section offset (in words) definitions */
+        /* NVM calibration section offset (in words) definitions */
         NVM_CALIB_SECTION = 0x2B8,
         XTAL_CALIB = 0x316 - NVM_CALIB_SECTION
 };
 
+enum family_8000_nvm_offsets {
+        /* NVM HW-Section offset (in words) definitions */
+        HW_ADDR0_FAMILY_8000 = 0x12,
+        HW_ADDR1_FAMILY_8000 = 0x16,
+        MAC_ADDRESS_OVERRIDE_FAMILY_8000 = 1,
+
+        /* NVM SW-Section offset (in words) definitions */
+        NVM_SW_SECTION_FAMILY_8000 = 0x1C0,
+        NVM_VERSION_FAMILY_8000 = 0,
+        RADIO_CFG_FAMILY_8000 = 2,
+        SKU_FAMILY_8000 = 4,
+        N_HW_ADDRS_FAMILY_8000 = 5,
+
+        /* NVM REGULATORY -Section offset (in words) definitions */
+        NVM_CHANNELS_FAMILY_8000 = 0,
+
+        /* NVM calibration section offset (in words) definitions */
+        NVM_CALIB_SECTION_FAMILY_8000 = 0x2B8,
+        XTAL_CALIB_FAMILY_8000 = 0x316 - NVM_CALIB_SECTION_FAMILY_8000
+};
+
 /* SKU Capabilities (actual values from NVM definition) */
 enum nvm_sku_bits {
         NVM_SKU_CAP_BAND_24GHZ  = BIT(0),
@@ -92,14 +113,6 @@ enum nvm_sku_bits {
         NVM_SKU_CAP_11AC_ENABLE = BIT(3),
 };
 
-/* radio config bits (actual values from NVM definition) */
-#define NVM_RF_CFG_DASH_MSK(x)   (x & 0x3)         /* bits 0-1   */
-#define NVM_RF_CFG_STEP_MSK(x)   ((x >> 2)  & 0x3) /* bits 2-3   */
-#define NVM_RF_CFG_TYPE_MSK(x)   ((x >> 4)  & 0x3) /* bits 4-5   */
-#define NVM_RF_CFG_PNUM_MSK(x)   ((x >> 6)  & 0x3) /* bits 6-7   */
-#define NVM_RF_CFG_TX_ANT_MSK(x) ((x >> 8)  & 0xF) /* bits 8-11  */
-#define NVM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */
-
 /*
  * These are the channel numbers in the order that they are stored in the NVM
  */
@@ -112,7 +125,17 @@ static const u8 iwl_nvm_channels[] = {
         149, 153, 157, 161, 165
 };
 
+static const u8 iwl_nvm_channels_family_8000[] = {
+        /* 2.4 GHz */
+        1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
+        /* 5 GHz */
+        36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92,
+        96, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144,
+        149, 153, 157, 161, 165, 169, 173, 177, 181
+};
+
 #define IWL_NUM_CHANNELS        ARRAY_SIZE(iwl_nvm_channels)
+#define IWL_NUM_CHANNELS_FAMILY_8000    ARRAY_SIZE(iwl_nvm_channels_family_8000)
 #define NUM_2GHZ_CHANNELS       14
 #define FIRST_2GHZ_HT_MINUS     5
 #define LAST_2GHZ_HT_PLUS       9
@@ -179,13 +202,23 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
         struct ieee80211_channel *channel;
         u16 ch_flags;
         bool is_5ghz;
+        int num_of_ch;
+        const u8 *nvm_chan;
+
+        if (cfg->device_family != IWL_DEVICE_FAMILY_8000) {
+                num_of_ch = IWL_NUM_CHANNELS;
+                nvm_chan = &iwl_nvm_channels[0];
+        } else {
+                num_of_ch = IWL_NUM_CHANNELS_FAMILY_8000;
+                nvm_chan = &iwl_nvm_channels_family_8000[0];
+        }
 
-        for (ch_idx = 0; ch_idx < IWL_NUM_CHANNELS; ch_idx++) {
+        for (ch_idx = 0; ch_idx < num_of_ch; ch_idx++) {
                 ch_flags = __le16_to_cpup(nvm_ch_flags + ch_idx);
                 if (!(ch_flags & NVM_CHANNEL_VALID)) {
                         IWL_DEBUG_EEPROM(dev,
                                          "Ch. %d Flags %x [%sGHz] - No traffic\n",
-                                         iwl_nvm_channels[ch_idx],
+                                         nvm_chan[ch_idx],
                                          ch_flags,
                                          (ch_idx >= NUM_2GHZ_CHANNELS) ?
                                          "5.2" : "2.4");
@@ -195,7 +228,7 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
                 channel = &data->channels[n_channels];
                 n_channels++;
 
-                channel->hw_value = iwl_nvm_channels[ch_idx];
+                channel->hw_value = nvm_chan[ch_idx];
                 channel->band = (ch_idx < NUM_2GHZ_CHANNELS) ?
                                 IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
                 channel->center_freq =
@@ -206,11 +239,11 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
                 channel->flags = IEEE80211_CHAN_NO_HT40;
                 if (ch_idx < NUM_2GHZ_CHANNELS &&
                     (ch_flags & NVM_CHANNEL_40MHZ)) {
-                        if (iwl_nvm_channels[ch_idx] <= LAST_2GHZ_HT_PLUS)
+                        if (nvm_chan[ch_idx] <= LAST_2GHZ_HT_PLUS)
                                 channel->flags &= ~IEEE80211_CHAN_NO_HT40PLUS;
-                        if (iwl_nvm_channels[ch_idx] >= FIRST_2GHZ_HT_MINUS)
+                        if (nvm_chan[ch_idx] >= FIRST_2GHZ_HT_MINUS)
                                 channel->flags &= ~IEEE80211_CHAN_NO_HT40MINUS;
-                } else if (iwl_nvm_channels[ch_idx] <= LAST_5GHZ_HT &&
+                } else if (nvm_chan[ch_idx] <= LAST_5GHZ_HT &&
                            (ch_flags & NVM_CHANNEL_40MHZ)) {
                         if ((ch_idx - NUM_2GHZ_CHANNELS) % 2 == 0)
                                 channel->flags &= ~IEEE80211_CHAN_NO_HT40PLUS;
@@ -302,14 +335,23 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg,
 }
 
 static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
-                            struct iwl_nvm_data *data, const __le16 *nvm_sw,
-                            bool enable_vht, u8 tx_chains, u8 rx_chains)
+                            struct iwl_nvm_data *data,
+                            const __le16 *ch_section, bool enable_vht,
+                            u8 tx_chains, u8 rx_chains)
 {
-        int n_channels = iwl_init_channel_map(dev, cfg, data,
-                        &nvm_sw[NVM_CHANNELS]);
+        int n_channels;
         int n_used = 0;
         struct ieee80211_supported_band *sband;
 
+        if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
+                n_channels = iwl_init_channel_map(
+                                dev, cfg, data,
+                                &ch_section[NVM_CHANNELS]);
+        else
+                n_channels = iwl_init_channel_map(
+                                dev, cfg, data,
+                                &ch_section[NVM_CHANNELS_FAMILY_8000]);
+
         sband = &data->bands[IEEE80211_BAND_2GHZ];
         sband->band = IEEE80211_BAND_2GHZ;
         sband->bitrates = &iwl_cfg80211_rates[RATES_24_OFFS];
@@ -335,35 +377,122 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
                             n_used, n_channels);
 }
 
+static int iwl_get_sku(const struct iwl_cfg *cfg,
+                       const __le16 *nvm_sw)
+{
+        if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
+                return le16_to_cpup(nvm_sw + SKU);
+        else
+                return le32_to_cpup((__le32 *)(nvm_sw + SKU_FAMILY_8000));
+}
+
+static int iwl_get_nvm_version(const struct iwl_cfg *cfg,
+                               const __le16 *nvm_sw)
+{
+        if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
+                return le16_to_cpup(nvm_sw + NVM_VERSION);
+        else
+                return le32_to_cpup((__le32 *)(nvm_sw +
+                                               NVM_VERSION_FAMILY_8000));
+}
+
+static int iwl_get_radio_cfg(const struct iwl_cfg *cfg,
+                             const __le16 *nvm_sw)
+{
+        if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
+                return le16_to_cpup(nvm_sw + RADIO_CFG);
+        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)
+{
+        if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
+                return le16_to_cpup(nvm_sw + N_HW_ADDRS);
+        else
+                return le32_to_cpup((__le32 *)(nvm_sw + N_HW_ADDRS_FAMILY_8000))
+                       & N_HW_ADDRS_MASK_FAMILY_8000;
+}
+
+static void iwl_set_radio_cfg(const struct iwl_cfg *cfg,
+                              struct iwl_nvm_data *data,
+                              u32 radio_cfg)
+{
+        if (cfg->device_family != IWL_DEVICE_FAMILY_8000) {
+                data->radio_cfg_type = NVM_RF_CFG_TYPE_MSK(radio_cfg);
+                data->radio_cfg_step = NVM_RF_CFG_STEP_MSK(radio_cfg);
+                data->radio_cfg_dash = NVM_RF_CFG_DASH_MSK(radio_cfg);
+                data->radio_cfg_pnum = NVM_RF_CFG_PNUM_MSK(radio_cfg);
+                data->valid_tx_ant = NVM_RF_CFG_TX_ANT_MSK(radio_cfg);
+                data->valid_rx_ant = NVM_RF_CFG_RX_ANT_MSK(radio_cfg);
+                return;
+        }
+
+        /* set the radio configuration for family 8000 */
+        data->radio_cfg_type = NVM_RF_CFG_TYPE_MSK_FAMILY_8000(radio_cfg);
+        data->radio_cfg_step = NVM_RF_CFG_STEP_MSK_FAMILY_8000(radio_cfg);
+        data->radio_cfg_dash = NVM_RF_CFG_DASH_MSK_FAMILY_8000(radio_cfg);
+        data->radio_cfg_pnum = NVM_RF_CFG_FLAVOR_MSK_FAMILY_8000(radio_cfg);
+        data->valid_tx_ant = NVM_RF_CFG_TX_ANT_MSK_FAMILY_8000(radio_cfg);
+        data->valid_rx_ant = NVM_RF_CFG_RX_ANT_MSK_FAMILY_8000(radio_cfg);
+}
+
+static void iwl_set_hw_address(const struct iwl_cfg *cfg,
+                               struct iwl_nvm_data *data,
+                               const __le16 *nvm_sec)
+{
+        u8 hw_addr[ETH_ALEN];
+
+        if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
+                memcpy(hw_addr, nvm_sec + HW_ADDR, ETH_ALEN);
+        else
+                memcpy(hw_addr, nvm_sec + MAC_ADDRESS_OVERRIDE_FAMILY_8000,
+                       ETH_ALEN);
+
+        /* The byte order is little endian 16 bit, meaning 214365 */
+        data->hw_addr[0] = hw_addr[1];
+        data->hw_addr[1] = hw_addr[0];
+        data->hw_addr[2] = hw_addr[3];
+        data->hw_addr[3] = hw_addr[2];
+        data->hw_addr[4] = hw_addr[5];
+        data->hw_addr[5] = hw_addr[4];
+}
+
 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, u8 tx_chains, u8 rx_chains)
+                   const __le16 *nvm_calib, const __le16 *regulatory,
+                   const __le16 *mac_override, u8 tx_chains, u8 rx_chains)
 {
         struct iwl_nvm_data *data;
-        u8 hw_addr[ETH_ALEN];
-        u16 radio_cfg, sku;
-
-        data = kzalloc(sizeof(*data) +
-                       sizeof(struct ieee80211_channel) * IWL_NUM_CHANNELS,
-                       GFP_KERNEL);
+        u32 sku;
+        u32 radio_cfg;
+
+        if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
+                data = kzalloc(sizeof(*data) +
+                               sizeof(struct ieee80211_channel) *
+                               IWL_NUM_CHANNELS,
+                               GFP_KERNEL);
+        else
+                data = kzalloc(sizeof(*data) +
+                               sizeof(struct ieee80211_channel) *
+                               IWL_NUM_CHANNELS_FAMILY_8000,
+                               GFP_KERNEL);
         if (!data)
                 return NULL;
 
-        data->nvm_version = le16_to_cpup(nvm_sw + NVM_VERSION);
+        data->nvm_version = iwl_get_nvm_version(cfg, nvm_sw);
 
-        radio_cfg = le16_to_cpup(nvm_sw + RADIO_CFG);
-        data->radio_cfg_type = NVM_RF_CFG_TYPE_MSK(radio_cfg);
-        data->radio_cfg_step = NVM_RF_CFG_STEP_MSK(radio_cfg);
-        data->radio_cfg_dash = NVM_RF_CFG_DASH_MSK(radio_cfg);
-        data->radio_cfg_pnum = NVM_RF_CFG_PNUM_MSK(radio_cfg);
-        data->valid_tx_ant = NVM_RF_CFG_TX_ANT_MSK(radio_cfg);
-        data->valid_rx_ant = NVM_RF_CFG_RX_ANT_MSK(radio_cfg);
+        radio_cfg = iwl_get_radio_cfg(cfg, nvm_sw);
+        iwl_set_radio_cfg(cfg, data, radio_cfg);
 
-        sku = le16_to_cpup(nvm_sw + SKU);
+        sku = iwl_get_sku(cfg, nvm_sw);
         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;
+        data->sku_cap_11ac_enable = sku & NVM_SKU_CAP_11AC_ENABLE;
         if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL)
                 data->sku_cap_11n_enable = false;
 
@@ -380,22 +509,34 @@ iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg,
                 return NULL;
         }
 
-        data->n_hw_addrs = le16_to_cpup(nvm_sw + N_HW_ADDRS);
+        data->n_hw_addrs = iwl_get_n_hw_addrs(cfg, nvm_sw);
 
-        data->xtal_calib[0] = *(nvm_calib + XTAL_CALIB);
-        data->xtal_calib[1] = *(nvm_calib + XTAL_CALIB + 1);
+        if (cfg->device_family != IWL_DEVICE_FAMILY_8000) {
+                /* Checking for required sections */
+                if (!nvm_calib) {
+                        IWL_ERR_DEV(dev,
+                                    "Can't parse empty Calib NVM sections\n");
+                        return NULL;
+                }
+                /* in family 8000 Xtal calibration values moved to OTP */
+                data->xtal_calib[0] = *(nvm_calib + XTAL_CALIB);
+                data->xtal_calib[1] = *(nvm_calib + XTAL_CALIB + 1);
+        }
 
-        /* The byte order is little endian 16 bit, meaning 214365 */
-        memcpy(hw_addr, nvm_hw + HW_ADDR, ETH_ALEN);
-        data->hw_addr[0] = hw_addr[1];
-        data->hw_addr[1] = hw_addr[0];
-        data->hw_addr[2] = hw_addr[3];
-        data->hw_addr[3] = hw_addr[2];
-        data->hw_addr[4] = hw_addr[5];
-        data->hw_addr[5] = hw_addr[4];
+        if (cfg->device_family != IWL_DEVICE_FAMILY_8000) {
+                iwl_set_hw_address(cfg, data, nvm_hw);
+
+                iwl_init_sbands(dev, cfg, data, nvm_sw,
+                                sku & NVM_SKU_CAP_11AC_ENABLE, tx_chains,
+                                rx_chains);
+        } else {
+                /* MAC address in family 8000 */
+                iwl_set_hw_address(cfg, data, mac_override);
 
-        iwl_init_sbands(dev, cfg, data, nvm_sw, sku & NVM_SKU_CAP_11AC_ENABLE,
-                        tx_chains, rx_chains);
+                iwl_init_sbands(dev, cfg, data, regulatory,
+                                sku & NVM_SKU_CAP_11AC_ENABLE, tx_chains,
+                                rx_chains);
+        }
 
         data->calib_version = 255;