From: Tomas Winkler <tomas.winkler@xxxxxxxxx>
This patch adds initial calibration framework for 5000 HW faimily.
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
Signed-off-by: Gregory Greenman <gregory.greenman@xxxxxxxxx>
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-5000.c | 127 +++++++++++++++++++++++++++
drivers/net/wireless/iwlwifi/iwl-commands.h | 50 +++++++++++
drivers/net/wireless/iwlwifi/iwl-core.c | 16 ++++
drivers/net/wireless/iwlwifi/iwl-core.h | 1 +
drivers/net/wireless/iwlwifi/iwl-dev.h | 12 +++
drivers/net/wireless/iwlwifi/iwl-eeprom.h | 1 +
drivers/net/wireless/iwlwifi/iwl-hcmd.c | 4 +
7 files changed, 211 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index a94cd36..eb6141e 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) &&
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index a637abe..6f62beb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -2778,10 +2778,59 @@ enum {
IWL5000_PHY_CALIBRATE_AGC_TABLE_CMD = 14,
IWL5000_PHY_CALIBRATE_CRYSTAL_FRQ_CMD = 15,
IWL5000_PHY_CALIBRATE_BASE_BAND_CMD = 16,
+ IWL5000_PHY_CALIBRATE_TX_IQ_PERD_CMD = 17,
IWL5000_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD = 18,
IWL5000_PHY_CALIBRATE_CHAIN_NOISE_GAIN_CMD = 19,
};
+enum {
+ CALIBRATION_CFG_CMD = 0x65,
+ CALIBRATION_RES_NOTIFICATION = 0x66,
+ CALIBRATION_COMPLETE_NOTIFICATION = 0x67
+};
+
+struct iwl_cal_crystal_freq_cmd {
+ u8 cap_pin1;
+ u8 cap_pin2;
+} __attribute__ ((packed));
+
+struct iwl5000_calibration {
+ u8 op_code;
+ u8 first_group;
+ u8 num_groups;
+ u8 all_data_valid;
+ struct iwl_cal_crystal_freq_cmd data;
+} __attribute__ ((packed));
+
+#define IWL_CALIB_INIT_CFG_ALL __constant_cpu_to_le32(0xffffffff)
+
+struct iwl_calib_cfg_elmnt_s {
+ __le32 is_enable;
+ __le32 start;
+ __le32 send_res;
+ __le32 apply_res;
+ __le32 reserved;
+} __attribute__ ((packed));
+
+struct iwl_calib_cfg_status_s {
+ struct iwl_calib_cfg_elmnt_s once;
+ struct iwl_calib_cfg_elmnt_s perd;
+ __le32 flags;
+} __attribute__ ((packed));
+
+struct iwl5000_calib_cfg_cmd {
+ struct iwl_calib_cfg_status_s ucd_calib_cfg;
+ struct iwl_calib_cfg_status_s drv_calib_cfg;
+ __le32 reserved1;
+} __attribute__ ((packed));
+
+struct iwl5000_calib_hdr {
+ u8 op_code;
+ u8 first_group;
+ u8 groups_num;
+ u8 data_valid;
+} __attribute__ ((packed));
+
struct iwl5000_calibration_chain_noise_reset_cmd {
u8 op_code; /* IWL5000_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD */
u8 flags; /* not used */
@@ -2894,6 +2943,7 @@ struct iwl_rx_packet {
struct iwl4965_notif_statistics stats;
struct iwl4965_compressed_ba_resp compressed_ba;
struct iwl4965_missed_beacon_notif missed_beacon;
+ struct iwl5000_calibration calib;
__le32 status;
u8 raw[0];
} u;
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 373e984..010085a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -871,9 +871,25 @@ err:
}
EXPORT_SYMBOL(iwl_init_drv);
+void iwl_free_calib_results(struct iwl_priv *priv)
+{
+ kfree(priv->calib_results.lo_res);
+ priv->calib_results.lo_res = NULL;
+ priv->calib_results.lo_res_len = 0;
+
+ kfree(priv->calib_results.tx_iq_res);
+ priv->calib_results.tx_iq_res = NULL;
+ priv->calib_results.tx_iq_res_len = 0;
+
+ kfree(priv->calib_results.tx_iq_perd_res);
+ priv->calib_results.tx_iq_perd_res = NULL;
+ priv->calib_results.tx_iq_perd_res_len = 0;
+}
+EXPORT_SYMBOL(iwl_free_calib_results);
void iwl_uninit_drv(struct iwl_priv *priv)
{
+ iwl_free_calib_results(priv);
iwlcore_free_geos(priv);
iwl_free_channel_map(priv);
}
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index eeea4e8..4fe7a9b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -172,6 +172,7 @@ struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg,
void iwl_hw_detect(struct iwl_priv *priv);
void iwlcore_clear_stations_table(struct iwl_priv *priv);
+void iwl_free_calib_results(struct iwl_priv *priv);
void iwl_reset_qos(struct iwl_priv *priv);
void iwl_set_rxon_chain(struct iwl_priv *priv);
int iwl_set_rxon_channel(struct iwl_priv *priv,
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index d7bca7c..924a1f4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -877,6 +877,15 @@ struct statistics_general_data {
u32 beacon_energy_c;
};
+struct iwl_calib_results {
+ void *tx_iq_res;
+ void *tx_iq_perd_res;
+ void *lo_res;
+ u32 tx_iq_res_len;
+ u32 tx_iq_perd_res_len;
+ u32 lo_res_len;
+};
+
enum ucode_type {
UCODE_NONE = 0,
UCODE_INIT,
@@ -984,6 +993,9 @@ struct iwl_priv {
s32 temperature; /* degrees Kelvin */
s32 last_temperature;
+ /* init calibration results */
+ struct iwl_calib_results calib_results;
+
/* Scan related variables */
unsigned long last_scan_jiffies;
unsigned long next_scan_jiffies;
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
index dc1f027..d3a2a5b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
@@ -146,6 +146,7 @@ struct iwl_eeprom_channel {
/*5000 calibrations */
#define EEPROM_5000_CALIB_ALL (INDIRECT_ADDRESS | INDIRECT_CALIBRATION)
+#define EEPROM_5000_XTAL ((2*0x128) | EEPROM_5000_CALIB_ALL)
/* 5000 links */
#define EEPROM_5000_LINK_HOST (2*0x64)
diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
index dab4a0e..6c53736 100644
--- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c
+++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
@@ -56,6 +56,7 @@ const char *get_cmd_string(u8 cmd)
IWL_CMD(REPLY_RATE_SCALE);
IWL_CMD(REPLY_LEDS_CMD);
IWL_CMD(REPLY_TX_LINK_QUALITY_CMD);
+ IWL_CMD(COEX_PRIORITY_TABLE_CMD);
IWL_CMD(RADAR_NOTIFICATION);
IWL_CMD(REPLY_QUIET_CMD);
IWL_CMD(REPLY_CHANNEL_SWITCH);
@@ -89,6 +90,9 @@ const char *get_cmd_string(u8 cmd)
IWL_CMD(REPLY_RX_MPDU_CMD);
IWL_CMD(REPLY_RX);
IWL_CMD(REPLY_COMPRESSED_BA);
+ IWL_CMD(CALIBRATION_CFG_CMD);
+ IWL_CMD(CALIBRATION_RES_NOTIFICATION);
+ IWL_CMD(CALIBRATION_COMPLETE_NOTIFICATION);
default:
return "UNKNOWN";
--
1.5.3.6
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