*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
+ * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
*
* BSD LICENSE
*
- * Copyright(c) 2005 - 2010 Intel Corporation. All rights reserved.
+ * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
*
******************************************************************************/
-/*
- * The device's EEPROM semaphore prevents conflicts between driver and uCode
- * when accessing the EEPROM; each access is a series of pulses to/from the
- * EEPROM chip, not a single event, so even reads could conflict if they
- * weren't arbitrated by the semaphore.
- */
-int iwlcore_eeprom_acquire_semaphore(struct iwl_priv *priv)
-{
- u16 count;
- int ret;
-
- for (count = 0; count < EEPROM_SEM_RETRY_LIMIT; count++) {
- /* Request semaphore */
- iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
- CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);
-
- /* See if we got it */
- ret = iwl_poll_bit(priv, CSR_HW_IF_CONFIG_REG,
- CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
- CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
- EEPROM_SEM_TIMEOUT);
- if (ret >= 0) {
- IWL_DEBUG_IO(priv,
- "Acquired semaphore after %d tries.\n",
- count+1);
- return ret;
- }
- }
-
- return ret;
-}
-
-void iwlcore_eeprom_release_semaphore(struct iwl_priv *priv)
-{
- iwl_clear_bit(priv, CSR_HW_IF_CONFIG_REG,
- CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);
-
-}
-
int iwl_eeprom_check_version(struct iwl_priv *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);
+ calib_ver = iwlagn_eeprom_calib_version(priv);
if (eeprom_ver < priv->cfg->eeprom_ver ||
calib_ver < priv->cfg->eeprom_calib_ver)
int iwl_eeprom_check_sku(struct iwl_priv *priv)
{
- u16 eeprom_sku;
u16 radio_cfg;
- eeprom_sku = iwl_eeprom_query16(priv, EEPROM_SKU_CAP);
-
if (!priv->cfg->sku) {
/* not using sku overwrite */
- priv->cfg->sku =
- ((eeprom_sku & EEPROM_SKU_CAP_BAND_SELECTION) >>
- EEPROM_SKU_CAP_BAND_POS);
- if (eeprom_sku & EEPROM_SKU_CAP_11N_ENABLE)
- priv->cfg->sku |= IWL_SKU_N;
+ priv->cfg->sku = iwl_eeprom_query16(priv, EEPROM_SKU_CAP);
+ if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE &&
+ !priv->cfg->ht_params) {
+ IWL_ERR(priv, "Invalid 11n configuration\n");
+ return -EINVAL;
+ }
}
if (!priv->cfg->sku) {
IWL_ERR(priv, "Invalid device sku\n");