Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

1 files changed, 185 insertions, 60 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
index 53b9cad50477..2f962ec0b750 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
@@ -179,8 +202,18 @@ 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_idx >= NUM_2GHZ_CHANNELS &&
@@ -190,7 +223,7 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
 		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");
@@ -200,7 +233,7 @@ 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 =
@@ -211,11 +244,11 @@ 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;
@@ -307,14 +340,23 @@ 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];
@@ -340,67 +382,150 @@ 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);
+		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);
+}
+
+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;
 
-	/* check overrides (some devices have wrong NVM) */
-	if (cfg->valid_tx_ant)
-		data->valid_tx_ant = cfg->valid_tx_ant;
-	if (cfg->valid_rx_ant)
-		data->valid_rx_ant = cfg->valid_rx_ant;
+	data->n_hw_addrs = iwl_get_n_hw_addrs(cfg, nvm_sw);
 
-	if (!data->valid_tx_ant || !data->valid_rx_ant) {
-		IWL_ERR_DEV(dev, "invalid antennas (0x%x, 0x%x)\n",
-			    data->valid_tx_ant, data->valid_rx_ant);
-		kfree(data);
-		return NULL;
+	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");
+			kfree(data);
+			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);
 	}
 
-	data->n_hw_addrs = le16_to_cpup(nvm_sw + N_HW_ADDRS);
+	if (cfg->device_family != IWL_DEVICE_FAMILY_8000) {
+		iwl_set_hw_address(cfg, data, nvm_hw);
 
-	data->xtal_calib[0] = *(nvm_calib + XTAL_CALIB);
-	data->xtal_calib[1] = *(nvm_calib + XTAL_CALIB + 1);
+		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);
 
-	/* 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];
-
-	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;