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iwlwifi-5000: add eeprom check version handler 

This patch adds implementation for eeprom check version
handler for 5000 HW

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Tomas Winkler 2008-04-24 11:55:35 -07:00 committed by John W. Linville
parent 7839fc0386
commit f1f6941500
2 changed files with 33 additions and 0 deletions
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29
drivers/net/wireless/iwlwifi/iwl-5000.c
View File

@ -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,
},
};

4
drivers/net/wireless/iwlwifi/iwl-eeprom.h
View File

@ -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)