---

yaml --- r: 102502 b: refs/heads/master c: f1f6941 h: refs/heads/master v: v3
git-mirror · May 7, 2008 · 0fd984b · 0fd984b
1 parent 9f55ecf
commit 0fd984b
Show file tree

Hide file tree

Showing 3 changed files with 34 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7839fc03862704677902be2d63c0482fee3deae3
+refs/heads/master: f1f6941500602504fa9cd97294bfb3df7f22384f
diff --git a/trunk/drivers/net/wireless/iwlwifi/iwl-5000.c b/trunk/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -125,6 +125,33 @@ 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)
+{
+	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);
+
+	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;
+
+}
+
 #ifdef CONFIG_IWL5000_RUN_TIME_CALIB
 
 static void iwl5000_gain_computation(struct iwl_priv *priv,
@@ -179,6 +206,7 @@ static void iwl5000_gain_computation(struct iwl_priv *priv,
 	data->beacon_count = 0;
 }
 
+
 static void iwl5000_chain_noise_reset(struct iwl_priv *priv)
 {
 	struct iwl_chain_noise_data *data = &priv->chain_noise_data;
@@ -394,6 +422,7 @@ 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,
 		.query_addr = iwl5000_eeprom_query_addr,
 	},
 };

diff --git a/trunk/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/trunk/drivers/net/wireless/iwlwifi/iwl-eeprom.h
@@ -140,6 +140,10 @@ struct iwl_eeprom_channel {
 #define EEPROM_4965_BOARD_REVISION             (2*0x4F) /* 2 bytes */
 #define EEPROM_4965_BOARD_PBA                  (2*0x56+1) /* 9 bytes */
 
+/* 5000 Specific */
+#define EEPROM_5000_TX_POWER_VERSION    (4)
+#define EEPROM_5000_EEPROM_VERSION	(0x11A)
+
 /*5000 calibrations */
 #define EEPROM_5000_CALIB_ALL	(INDIRECT_ADDRESS | INDIRECT_CALIBRATION)