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path: root/drivers/net/wireless/iwmc3200wifi/fw.c
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Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi/fw.c')
-rw-r--r--drivers/net/wireless/iwmc3200wifi/fw.c56
1 files changed, 39 insertions, 17 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/fw.c b/drivers/net/wireless/iwmc3200wifi/fw.c
index 0f32cab9ced4..6b0bcad758ca 100644
--- a/drivers/net/wireless/iwmc3200wifi/fw.c
+++ b/drivers/net/wireless/iwmc3200wifi/fw.c
@@ -261,6 +261,33 @@ static int iwm_load_lmac(struct iwm_priv *iwm, const char *img_name)
261 cpu_to_le32(UMAC_RST_CTRL_FLG_LARC_CLK_EN), 0); 261 cpu_to_le32(UMAC_RST_CTRL_FLG_LARC_CLK_EN), 0);
262} 262}
263 263
264static int iwm_init_calib(struct iwm_priv *iwm, unsigned long cfg_bitmap,
265 unsigned long expected_bitmap, u8 rx_iq_cmd)
266{
267 /* Read RX IQ calibration result from EEPROM */
268 if (test_bit(rx_iq_cmd, &cfg_bitmap)) {
269 iwm_store_rxiq_calib_result(iwm);
270 set_bit(PHY_CALIBRATE_RX_IQ_CMD, &iwm->calib_done_map);
271 }
272
273 iwm_send_prio_table(iwm);
274 iwm_send_init_calib_cfg(iwm, cfg_bitmap);
275
276 while (iwm->calib_done_map != expected_bitmap) {
277 if (iwm_notif_handle(iwm, CALIBRATION_RES_NOTIFICATION,
278 IWM_SRC_LMAC, WAIT_NOTIF_TIMEOUT)) {
279 IWM_DBG_FW(iwm, DBG, "Initial calibration timeout\n");
280 return -ETIMEDOUT;
281 }
282
283 IWM_DBG_FW(iwm, DBG, "Got calibration result. calib_done_map: "
284 "0x%lx, expected calibrations: 0x%lx\n",
285 iwm->calib_done_map, expected_bitmap);
286 }
287
288 return 0;
289}
290
264/* 291/*
265 * We currently have to load 3 FWs: 292 * We currently have to load 3 FWs:
266 * 1) The UMAC (Upper MAC). 293 * 1) The UMAC (Upper MAC).
@@ -276,6 +303,7 @@ static int iwm_load_lmac(struct iwm_priv *iwm, const char *img_name)
276int iwm_load_fw(struct iwm_priv *iwm) 303int iwm_load_fw(struct iwm_priv *iwm)
277{ 304{
278 unsigned long init_calib_map, periodic_calib_map; 305 unsigned long init_calib_map, periodic_calib_map;
306 unsigned long expected_calib_map;
279 int ret; 307 int ret;
280 308
281 /* We first start downloading the UMAC */ 309 /* We first start downloading the UMAC */
@@ -317,27 +345,21 @@ int iwm_load_fw(struct iwm_priv *iwm)
317 } 345 }
318 346
319 init_calib_map = iwm->conf.calib_map & IWM_CALIB_MAP_INIT_MSK; 347 init_calib_map = iwm->conf.calib_map & IWM_CALIB_MAP_INIT_MSK;
348 expected_calib_map = iwm->conf.expected_calib_map &
349 IWM_CALIB_MAP_INIT_MSK;
320 periodic_calib_map = IWM_CALIB_MAP_PER_LMAC(iwm->conf.calib_map); 350 periodic_calib_map = IWM_CALIB_MAP_PER_LMAC(iwm->conf.calib_map);
321 351
322 /* Read RX IQ calibration result from EEPROM */ 352 ret = iwm_init_calib(iwm, init_calib_map, expected_calib_map,
323 if (test_bit(PHY_CALIBRATE_RX_IQ_CMD, &init_calib_map)) { 353 CALIB_CFG_RX_IQ_IDX);
324 iwm_store_rxiq_calib_result(iwm); 354 if (ret < 0) {
325 set_bit(PHY_CALIBRATE_RX_IQ_CMD, &iwm->calib_done_map); 355 /* Let's try the old way */
326 } 356 ret = iwm_init_calib(iwm, expected_calib_map,
327 357 expected_calib_map,
328 iwm_send_prio_table(iwm); 358 PHY_CALIBRATE_RX_IQ_CMD);
329 iwm_send_init_calib_cfg(iwm, init_calib_map); 359 if (ret < 0) {
330 360 IWM_ERR(iwm, "Calibration result timeout\n");
331 while (iwm->calib_done_map != init_calib_map) {
332 ret = iwm_notif_handle(iwm, CALIBRATION_RES_NOTIFICATION,
333 IWM_SRC_LMAC, WAIT_NOTIF_TIMEOUT);
334 if (ret) {
335 IWM_ERR(iwm, "Wait for calibration result timeout\n");
336 goto out; 361 goto out;
337 } 362 }
338 IWM_DBG_FW(iwm, DBG, "Got calibration result. calib_done_map: "
339 "0x%lx, requested calibrations: 0x%lx\n",
340 iwm->calib_done_map, init_calib_map);
341 } 363 }
342 364
343 /* Handle LMAC CALIBRATION_COMPLETE notification */ 365 /* Handle LMAC CALIBRATION_COMPLETE notification */