iwlwifi: parametrize eeprom versions

This patch uses new parameters eeprom_ver and eeprom_calib_ver
to support additional HW.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-4965.c

@@ -318,27 +318,9 @@ static int is_fat_channel(__le32 rxon_flags)
 /*
  * EEPROM handlers
  */
-
+static u16 iwl4965_eeprom_calib_version(struct iwl_priv *priv)
-static int iwl4965_eeprom_check_version(struct iwl_priv *priv)
 {
-	u16 eeprom_ver;
+	return iwl_eeprom_query16(priv, EEPROM_4965_CALIB_VERSION_OFFSET);
-	u16 calib_ver;
-
-	eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
-
-	calib_ver = iwl_eeprom_query16(priv, EEPROM_4965_CALIB_VERSION_OFFSET);
-
-	if (eeprom_ver < EEPROM_4965_EEPROM_VERSION ||
-	    calib_ver < EEPROM_4965_TX_POWER_VERSION)
-		goto err;
-
-	return 0;
-err:
-	IWL_ERROR("Unsuported EEPROM VER=0x%x < 0x%x CALIB=0x%x < 0x%x\n",
-		  eeprom_ver, EEPROM_4965_EEPROM_VERSION,
-		  calib_ver, EEPROM_4965_TX_POWER_VERSION);
-	return -EINVAL;
-
 }
 
 /*
@@ -2355,7 +2337,7 @@ static struct iwl_lib_ops iwl4965_lib = {
 		.verify_signature  = iwlcore_eeprom_verify_signature,
 		.acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
 		.release_semaphore = iwlcore_eeprom_release_semaphore,
-		.check_version = iwl4965_eeprom_check_version,
+		.calib_version = iwl4965_eeprom_calib_version,
 		.query_addr = iwlcore_eeprom_query_addr,
 	},
 	.send_tx_power	= iwl4965_send_tx_power,
@@ -2374,6 +2356,8 @@ struct iwl_cfg iwl4965_agn_cfg = {
 	.fw_name = "iwlwifi-4965" IWL4965_UCODE_API ".ucode",
 	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 	.eeprom_size = IWL4965_EEPROM_IMG_SIZE,
+	.eeprom_ver = EEPROM_4965_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_4965_TX_POWER_VERSION,
 	.ops = &iwl4965_ops,
 	.mod_params = &iwl4965_mod_params,
 };

drivers/net/wireless/iwlwifi/iwl-5000.c

@@ -293,30 +293,17 @@ static u32 eeprom_indirect_address(const struct iwl_priv *priv, u32 address)
 	return (address & ADDRESS_MSK) + (offset << 1);
 }
 
-static int iwl5000_eeprom_check_version(struct iwl_priv *priv)
+static u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv)
 {
-	u16 eeprom_ver;
 	struct iwl_eeprom_calib_hdr {
 		u8 version;
 		u8 pa_type;
 		u16 voltage;
 	} *hdr;
 
-	eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
-
 	hdr = (struct iwl_eeprom_calib_hdr *)iwl_eeprom_query_addr(priv,
 							EEPROM_5000_CALIB_ALL);
-
+	return hdr->version;
-	if (eeprom_ver < EEPROM_5000_EEPROM_VERSION ||
-	    hdr->version < EEPROM_5000_TX_POWER_VERSION)
-		goto err;
-
-	return 0;
-err:
-	IWL_ERROR("Unsuported EEPROM VER=0x%x < 0x%x CALIB=0x%x < 0x%x\n",
-		  eeprom_ver, EEPROM_5000_EEPROM_VERSION,
-		  hdr->version, EEPROM_5000_TX_POWER_VERSION);
-	return -EINVAL;
 
 }
 
@@ -1510,7 +1497,7 @@ static struct iwl_lib_ops iwl5000_lib = {
 		.verify_signature  = iwlcore_eeprom_verify_signature,
 		.acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
 		.release_semaphore = iwlcore_eeprom_release_semaphore,
-		.check_version	= iwl5000_eeprom_check_version,
+		.calib_version	= iwl5000_eeprom_calib_version,
 		.query_addr = iwl5000_eeprom_query_addr,
 	},
 };
@@ -1537,6 +1524,8 @@ struct iwl_cfg iwl5300_agn_cfg = {
 	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 	.ops = &iwl5000_ops,
 	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
+	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.mod_params = &iwl50_mod_params,
 };
 
@@ -1546,6 +1535,8 @@ struct iwl_cfg iwl5100_bg_cfg = {
 	.sku = IWL_SKU_G,
 	.ops = &iwl5000_ops,
 	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
+	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.mod_params = &iwl50_mod_params,
 };
 
@@ -1555,6 +1546,8 @@ struct iwl_cfg iwl5100_abg_cfg = {
 	.sku = IWL_SKU_A|IWL_SKU_G,
 	.ops = &iwl5000_ops,
 	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
+	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.mod_params = &iwl50_mod_params,
 };
 
@@ -1564,6 +1557,8 @@ struct iwl_cfg iwl5100_agn_cfg = {
 	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 	.ops = &iwl5000_ops,
 	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
+	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.mod_params = &iwl50_mod_params,
 };
 
@@ -1573,6 +1568,8 @@ struct iwl_cfg iwl5350_agn_cfg = {
 	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 	.ops = &iwl5000_ops,
 	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
+	.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
 	.mod_params = &iwl50_mod_params,
 };
 

drivers/net/wireless/iwlwifi/iwl-core.h

@@ -173,6 +173,8 @@ struct iwl_cfg {
 	const char *fw_name;
 	unsigned int sku;
 	int eeprom_size;
+	u16  eeprom_ver;
+	u16  eeprom_calib_ver;
 	const struct iwl_ops *ops;
 	const struct iwl_mod_params *mod_params;
 };

drivers/net/wireless/iwlwifi/iwl-eeprom.c

@@ -279,7 +279,23 @@ EXPORT_SYMBOL(iwl_eeprom_free);
 
 int iwl_eeprom_check_version(struct iwl_priv *priv)
 {
-	return priv->cfg->ops->lib->eeprom_ops.check_version(priv);
+	u16 eeprom_ver;
+	u16 calib_ver;
+
+	eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
+	calib_ver = priv->cfg->ops->lib->eeprom_ops.calib_version(priv);
+
+	if (eeprom_ver < priv->cfg->eeprom_ver ||
+	    calib_ver < priv->cfg->eeprom_calib_ver)
+		goto err;
+
+	return 0;
+err:
+	IWL_ERROR("Unsuported EEPROM VER=0x%x < 0x%x CALIB=0x%x < 0x%x\n",
+		  eeprom_ver, priv->cfg->eeprom_ver,
+		  calib_ver,  priv->cfg->eeprom_calib_ver);
+	return -EINVAL;
+
 }
 EXPORT_SYMBOL(iwl_eeprom_check_version);
 

drivers/net/wireless/iwlwifi/iwl-eeprom.h

@@ -174,6 +174,9 @@ struct iwl_eeprom_channel {
 #define EEPROM_5000_REG_BAND_52_FAT_CHANNELS  ((0x92)\
 		| INDIRECT_ADDRESS | INDIRECT_REGULATORY)   /* 22  bytes */
 
+/* 5050 Specific */
+#define EEPROM_5050_TX_POWER_VERSION    (4)
+#define EEPROM_5050_EEPROM_VERSION	(0x21E)
 
 /* 2.4 GHz */
 extern const u8 iwl_eeprom_band_1[14];
@@ -371,7 +374,7 @@ struct iwl_eeprom_ops {
 	int (*verify_signature) (struct iwl_priv *priv);
 	int (*acquire_semaphore) (struct iwl_priv *priv);
 	void (*release_semaphore) (struct iwl_priv *priv);
-	int (*check_version) (struct iwl_priv *priv);
+	u16 (*calib_version) (struct iwl_priv *priv);
 	const u8* (*query_addr) (const struct iwl_priv *priv, size_t offset);
 };