Skip to content

Commit

Permalink
iwmc3200wifi: simplify calibration map
Browse files Browse the repository at this point in the history
The patch simplifies calibration map by combining the init_calib_map
and periodic_calib_map into one calib_map in struct iwm_conf. Now the
initial calibration map is stored in the lower 16 bits of calib_map
and the periodic calibration map is stored in the higher 16 bits.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
  • Loading branch information
Zhu Yi authored and John W. Linville committed Jul 10, 2009
1 parent dd13fd6 commit fd2c7fe
Show file tree
Hide file tree
Showing 4 changed files with 17 additions and 15 deletions.
19 changes: 11 additions & 8 deletions drivers/net/wireless/iwmc3200wifi/fw.c
Original file line number Diff line number Diff line change
Expand Up @@ -275,6 +275,7 @@ static int iwm_load_lmac(struct iwm_priv *iwm, const char *img_name)
*/
int iwm_load_fw(struct iwm_priv *iwm)
{
unsigned long init_calib_map, periodic_calib_map;
int ret;

/* We first start downloading the UMAC */
Expand Down Expand Up @@ -315,23 +316,25 @@ int iwm_load_fw(struct iwm_priv *iwm)
return ret;
}

init_calib_map = iwm->conf.calib_map & IWM_CALIB_MAP_INIT_MSK;
periodic_calib_map = IWM_CALIB_MAP_PER_LMAC(iwm->conf.calib_map);

#ifdef CONFIG_IWM_B0_HW_SUPPORT
if (iwm->conf.hw_b0) {
clear_bit(PHY_CALIBRATE_RX_IQ_CMD, &iwm->conf.init_calib_map);
clear_bit(PHY_CALIBRATE_RX_IQ_CMD,
&iwm->conf.periodic_calib_map);
clear_bit(PHY_CALIBRATE_RX_IQ_CMD, &init_calib_map);
clear_bit(PHY_CALIBRATE_RX_IQ_CMD, &periodic_calib_map);
}
#endif
/* Read RX IQ calibration result from EEPROM */
if (test_bit(PHY_CALIBRATE_RX_IQ_CMD, &iwm->conf.init_calib_map)) {
if (test_bit(PHY_CALIBRATE_RX_IQ_CMD, &init_calib_map)) {
iwm_store_rxiq_calib_result(iwm);
set_bit(PHY_CALIBRATE_RX_IQ_CMD, &iwm->calib_done_map);
}

iwm_send_prio_table(iwm);
iwm_send_init_calib_cfg(iwm, iwm->conf.init_calib_map);
iwm_send_init_calib_cfg(iwm, init_calib_map);

while (iwm->calib_done_map != iwm->conf.init_calib_map) {
while (iwm->calib_done_map != init_calib_map) {
ret = iwm_notif_handle(iwm, CALIBRATION_RES_NOTIFICATION,
IWM_SRC_LMAC, WAIT_NOTIF_TIMEOUT);
if (ret) {
Expand All @@ -340,7 +343,7 @@ int iwm_load_fw(struct iwm_priv *iwm)
}
IWM_DBG_FW(iwm, DBG, "Got calibration result. calib_done_map: "
"0x%lx, requested calibrations: 0x%lx\n",
iwm->calib_done_map, iwm->conf.init_calib_map);
iwm->calib_done_map, init_calib_map);
}

/* Handle LMAC CALIBRATION_COMPLETE notification */
Expand Down Expand Up @@ -378,7 +381,7 @@ int iwm_load_fw(struct iwm_priv *iwm)

iwm_send_prio_table(iwm);
iwm_send_calib_results(iwm);
iwm_send_periodic_calib_cfg(iwm, iwm->conf.periodic_calib_map);
iwm_send_periodic_calib_cfg(iwm, periodic_calib_map);

return 0;

Expand Down
3 changes: 1 addition & 2 deletions drivers/net/wireless/iwmc3200wifi/iwm.h
Original file line number Diff line number Diff line change
Expand Up @@ -65,8 +65,7 @@

struct iwm_conf {
u32 sdio_ior_timeout;
unsigned long init_calib_map;
unsigned long periodic_calib_map;
unsigned long calib_map;
bool reset_on_fatal_err;
bool auto_connect;
bool wimax_not_present;
Expand Down
4 changes: 4 additions & 0 deletions drivers/net/wireless/iwmc3200wifi/lmac.h
Original file line number Diff line number Diff line change
Expand Up @@ -396,6 +396,10 @@ enum {
CALIBRATION_CMD_NUM,
};

#define IWM_CALIB_MAP_INIT_MSK 0xFFFF
#define IWM_CALIB_MAP_PER_LMAC(m) ((m & 0xFF0000) >> 16)
#define IWM_CALIB_MAP_PER_UMAC(m) ((m & 0xFF000000) >> 24)

struct iwm_lmac_calib_hdr {
u8 opcode;
u8 first_grp;
Expand Down
6 changes: 1 addition & 5 deletions drivers/net/wireless/iwmc3200wifi/main.c
Original file line number Diff line number Diff line change
Expand Up @@ -53,11 +53,7 @@
static struct iwm_conf def_iwm_conf = {

.sdio_ior_timeout = 5000,
.init_calib_map = BIT(PHY_CALIBRATE_DC_CMD) |
BIT(PHY_CALIBRATE_LO_CMD) |
BIT(PHY_CALIBRATE_TX_IQ_CMD) |
BIT(PHY_CALIBRATE_RX_IQ_CMD),
.periodic_calib_map = BIT(PHY_CALIBRATE_DC_CMD) |
.calib_map = BIT(PHY_CALIBRATE_DC_CMD) |
BIT(PHY_CALIBRATE_LO_CMD) |
BIT(PHY_CALIBRATE_TX_IQ_CMD) |
BIT(PHY_CALIBRATE_RX_IQ_CMD) |
Expand Down

0 comments on commit fd2c7fe

Please sign in to comment.