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authorTomas Winkler <tomas.winkler@intel.com>2008-09-03 11:26:37 +0800
committerJohn W. Linville <linville@tuxdriver.com>2008-09-08 14:23:18 -0400
commit6e21f2c109edd746a10e08186484bae8168cdd0c (patch)
treeb006657b3a64edd05fc8b568b4241dc3617ec5d5 /drivers/net/wireless/iwlwifi/iwl-5000.c
parent7c95168aba66bd11bf9efaf45e16e83ae869401d (diff)
iwlwifi: generic init calibrations framework
This patch allows variable number of init calibrations and allows addition new HW. This patch also fixes critical bug. Only last calibration result was applied. On reception of one calibration result all the calibration was freed. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-5000.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c63
1 files changed, 9 insertions, 54 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index cbc01a00eaf..8b6a72949ac 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -444,48 +444,6 @@ static int iwl5000_send_Xtal_calib(struct iwl_priv *priv)
sizeof(cal_cmd), &cal_cmd);
}
-static int iwl5000_send_calib_results(struct iwl_priv *priv)
-{
- int ret = 0;
-
- struct iwl_host_cmd hcmd = {
- .id = REPLY_PHY_CALIBRATION_CMD,
- .meta.flags = CMD_SIZE_HUGE,
- };
-
- if (priv->calib_results.lo_res) {
- hcmd.len = priv->calib_results.lo_res_len;
- hcmd.data = priv->calib_results.lo_res;
- ret = iwl_send_cmd_sync(priv, &hcmd);
-
- if (ret)
- goto err;
- }
-
- if (priv->calib_results.tx_iq_res) {
- hcmd.len = priv->calib_results.tx_iq_res_len;
- hcmd.data = priv->calib_results.tx_iq_res;
- ret = iwl_send_cmd_sync(priv, &hcmd);
-
- if (ret)
- goto err;
- }
-
- if (priv->calib_results.tx_iq_perd_res) {
- hcmd.len = priv->calib_results.tx_iq_perd_res_len;
- hcmd.data = priv->calib_results.tx_iq_perd_res;
- ret = iwl_send_cmd_sync(priv, &hcmd);
-
- if (ret)
- goto err;
- }
-
- return 0;
-err:
- IWL_ERROR("Error %d\n", ret);
- return ret;
-}
-
static int iwl5000_send_calib_cfg(struct iwl_priv *priv)
{
struct iwl5000_calib_cfg_cmd calib_cfg_cmd;
@@ -510,33 +468,30 @@ static void iwl5000_rx_calib_result(struct iwl_priv *priv,
struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
struct iwl5000_calib_hdr *hdr = (struct iwl5000_calib_hdr *)pkt->u.raw;
int len = le32_to_cpu(pkt->len) & FH_RSCSR_FRAME_SIZE_MSK;
-
- iwl_free_calib_results(priv);
+ int index;
/* reduce the size of the length field itself */
len -= 4;
+ /* Define the order in which the results will be sent to the runtime
+ * uCode. iwl_send_calib_results sends them in a row according to their
+ * index. We sort them here */
switch (hdr->op_code) {
case IWL5000_PHY_CALIBRATE_LO_CMD:
- priv->calib_results.lo_res = kzalloc(len, GFP_ATOMIC);
- priv->calib_results.lo_res_len = len;
- memcpy(priv->calib_results.lo_res, pkt->u.raw, len);
+ index = IWL5000_CALIB_LO;
break;
case IWL5000_PHY_CALIBRATE_TX_IQ_CMD:
- priv->calib_results.tx_iq_res = kzalloc(len, GFP_ATOMIC);
- priv->calib_results.tx_iq_res_len = len;
- memcpy(priv->calib_results.tx_iq_res, pkt->u.raw, len);
+ index = IWL5000_CALIB_TX_IQ;
break;
case IWL5000_PHY_CALIBRATE_TX_IQ_PERD_CMD:
- priv->calib_results.tx_iq_perd_res = kzalloc(len, GFP_ATOMIC);
- priv->calib_results.tx_iq_perd_res_len = len;
- memcpy(priv->calib_results.tx_iq_perd_res, pkt->u.raw, len);
+ index = IWL5000_CALIB_TX_IQ_PERD;
break;
default:
IWL_ERROR("Unknown calibration notification %d\n",
hdr->op_code);
return;
}
+ iwl_calib_set(&priv->calib_results[index], pkt->u.raw, len);
}
static void iwl5000_rx_calib_complete(struct iwl_priv *priv,
@@ -834,7 +789,7 @@ static int iwl5000_alive_notify(struct iwl_priv *priv)
iwl5000_send_Xtal_calib(priv);
if (priv->ucode_type == UCODE_RT)
- iwl5000_send_calib_results(priv);
+ iwl_send_calib_results(priv);
return 0;
}