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authorTomas Winkler <tomas.winkler@intel.com>2008-05-29 16:35:05 +0800
committerJohn W. Linville <linville@tuxdriver.com>2008-06-03 15:00:23 -0400
commit7c616cba240cd0d579c996be3f3603456acfb0ad (patch)
tree9c0a4594423b12138c1c430dac8063b4a437e1cd /drivers/net/wireless/iwlwifi/iwl-5000.c
parentc135475439f75e6eb29e7586d33f3e22a61c1bb4 (diff)
iwlwifi-5000: implement initial calibration for 5000
This patch adds initial calibration framework for 5000 HW faimily. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Signed-off-by: Ron Rindjunsky <ron.rindjunsky@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.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index a94cd362fef..eb6141e6edb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -395,6 +395,8 @@ static struct iwl_sensitivity_ranges iwl5000_sensitivity = {
#endif /* CONFIG_IWL5000_RUN_TIME_CALIB */
+
+
static const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv,
size_t offset)
{
@@ -404,6 +406,118 @@ static const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv,
}
/*
+ * Calibration
+ */
+static int iwl5000_send_Xtal_calib(struct iwl_priv *priv)
+{
+ u16 *xtal_calib = (u16 *)iwl_eeprom_query_addr(priv, EEPROM_5000_XTAL);
+
+ struct iwl5000_calibration cal_cmd = {
+ .op_code = IWL5000_PHY_CALIBRATE_CRYSTAL_FRQ_CMD,
+ .data = {
+ (u8)xtal_calib[0],
+ (u8)xtal_calib[1],
+ }
+ };
+
+ return iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
+ sizeof(cal_cmd), &cal_cmd);
+}
+
+static int iwl5000_send_calib_results(struct iwl_priv *priv)
+{
+ int ret = 0;
+
+ if (priv->calib_results.lo_res)
+ ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
+ priv->calib_results.lo_res_len,
+ priv->calib_results.lo_res);
+ if (ret)
+ goto err;
+
+
+ if (priv->calib_results.tx_iq_res)
+ ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
+ priv->calib_results.tx_iq_res_len,
+ priv->calib_results.tx_iq_res);
+
+ if (ret)
+ goto err;
+
+ if (priv->calib_results.tx_iq_perd_res)
+ ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
+ priv->calib_results.tx_iq_perd_res_len,
+ priv->calib_results.tx_iq_perd_res);
+ 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;
+ struct iwl_host_cmd cmd = {
+ .id = CALIBRATION_CFG_CMD,
+ .len = sizeof(struct iwl5000_calib_cfg_cmd),
+ .data = &calib_cfg_cmd,
+ };
+
+ memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
+ calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL;
+ calib_cfg_cmd.ucd_calib_cfg.once.start = IWL_CALIB_INIT_CFG_ALL;
+ calib_cfg_cmd.ucd_calib_cfg.once.send_res = IWL_CALIB_INIT_CFG_ALL;
+ calib_cfg_cmd.ucd_calib_cfg.flags = IWL_CALIB_INIT_CFG_ALL;
+
+ return iwl_send_cmd(priv, &cmd);
+}
+
+static void iwl5000_rx_calib_result(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb)
+{
+ 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);
+
+ /* reduce the size of the length field itself */
+ len -= 4;
+
+ 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);
+ 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);
+ 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);
+ break;
+ default:
+ IWL_ERROR("Unknown calibration notification %d\n",
+ hdr->op_code);
+ return;
+ }
+}
+
+static void iwl5000_rx_calib_complete(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb)
+{
+ IWL_DEBUG_INFO("Init. calibration is completed, restarting fw.\n");
+ queue_work(priv->workqueue, &priv->restart);
+}
+
+/*
* ucode
*/
static int iwl5000_load_section(struct iwl_priv *priv,
@@ -565,6 +679,7 @@ static void iwl5000_init_alive_start(struct iwl_priv *priv)
goto restart;
}
+ iwl5000_send_calib_cfg(priv);
return;
restart:
@@ -684,8 +799,14 @@ static int iwl5000_alive_notify(struct iwl_priv *priv)
iwl_release_nic_access(priv);
spin_unlock_irqrestore(&priv->lock, flags);
+
iwl5000_send_wimax_coex(priv);
+ iwl5000_send_Xtal_calib(priv);
+
+ if (priv->ucode_type == UCODE_RT)
+ iwl5000_send_calib_results(priv);
+
return 0;
}
@@ -856,8 +977,14 @@ static u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len)
static void iwl5000_rx_handler_setup(struct iwl_priv *priv)
{
+ /* init calibration handlers */
+ priv->rx_handlers[CALIBRATION_RES_NOTIFICATION] =
+ iwl5000_rx_calib_result;
+ priv->rx_handlers[CALIBRATION_COMPLETE_NOTIFICATION] =
+ iwl5000_rx_calib_complete;
}
+
static int iwl5000_hw_valid_rtc_data_addr(u32 addr)
{
return (addr >= RTC_DATA_LOWER_BOUND) &&