From: Tomas Winkler <tomas.winkler@xxxxxxxxx>
This patch adds implementation for eeprom check version
handler for 5000 HW
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-5000.c | 29 +++++++++++++++++++++++++++++
drivers/net/wireless/iwlwifi/iwl-eeprom.h | 4 ++++
2 files changed, 33 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 1e63b49..d8e3dd7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/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/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
index 56e0a07..06ed300 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h
+++ b/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)
--
1.5.3.4
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