forked from ~ljy/RK356X_SDK_RELEASE
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2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e 
 kernel/drivers/net/wireless/rockchip_wlan/rkwifi/bcmdhd/dbus.c
old mode 100644new mode 100755
....@@ -1,3 +1,4 @@
1
+/* SPDX-License-Identifier: GPL-2.0 */
12 /** @file dbus.c
23  *
34  * Hides details of USB / SDIO / SPI interfaces and OS details. It is intended to shield details and
....@@ -42,12 +43,7 @@
4243 #include <dhd_wlfc.h>
4344 #endif
4445 #include <dhd_config.h>
45
-#ifdef WL_CFG80211
46
-#include <wl_cfg80211.h>
47
-#include <wl_cfgp2p.h>
48
-#endif
4946 
50
-#include <bcmdevs_legacy.h>
5147 #if defined(BCM_REQUEST_FW)
5248 #include <bcmsrom_fmt.h>
5349 #include <trxhdr.h>
....@@ -99,7 +95,7 @@
9995 	bool        txoverride;   /* flow control related */
10096 	bool        rxoff;
10197 	bool        tx_timer_ticking;
102
-	uint ctl_completed;
98
+
10399 
104100 	dbus_irbq_t *rx_q;
105101 	dbus_irbq_t *tx_q;
....@@ -119,7 +115,6 @@
119115 #endif
120116 	char		*fw_path;		/* module_param: path to firmware image */
121117 	char		*nv_path;		/* module_param: path to nvram vars file */
122
-	uint64 last_suspend_end_time;
123118 } dhd_bus_t;
124119 
125120 struct exec_parms {
....@@ -158,11 +153,10 @@
158153 static struct dbus_irb *dbus_if_getirb(void *cbarg, bool send);
159154 static void dbus_if_rxerr_indicate(void *handle, bool on);
160155 
161
-static int dbus_suspend(void *context);
162
-static int dbus_resume(void *context);
163
-static void * dhd_dbus_probe_cb(uint16 bus_no, uint16 slot, uint32 hdrlen);
164
-static void dhd_dbus_disconnect_cb(void *arg);
165
-static void dbus_detach(dhd_bus_t *pub);
156
+void * dhd_dbus_probe_cb(void *arg, const char *desc, uint32 bustype,
157
+	uint16 bus_no, uint16 slot, uint32 hdrlen);
158
+void dhd_dbus_disconnect_cb(void *arg);
159
+void dbus_detach(dhd_bus_t *pub);
166160 
167161 /** functions in this file that are called by lower DBUS levels, e.g. dbus_usb.c */
168162 static dbus_intf_callbacks_t dbus_intf_cbs = {
....@@ -187,6 +181,10 @@
187181  * can be called inside disconnect()
188182  */
189183 static dbus_intf_t     *g_busintf = NULL;
184
+static probe_cb_t      probe_cb = NULL;
185
+static disconnect_cb_t disconnect_cb = NULL;
186
+static void            *probe_arg = NULL;
187
+static void            *disc_arg = NULL;
190188 
191189 #if defined(BCM_REQUEST_FW)
192190 int8 *nonfwnvram = NULL; /* stand-alone multi-nvram given with driver load */
....@@ -204,6 +202,9 @@
204202 static int   dbus_irbq_deinit(dhd_bus_t *dhd_bus, dbus_irbq_t *q, int size_irb);
205203 static int   dbus_rxirbs_fill(dhd_bus_t *dhd_bus);
206204 static int   dbus_send_irb(dbus_pub_t *pub, uint8 *buf, int len, void *pkt, void *info);
205
+static void  dbus_disconnect(void *handle);
206
+static void *dbus_probe(void *arg, const char *desc, uint32 bustype,
207
+	uint16 bus_no, uint16 slot, uint32 hdrlen);
207208 
208209 #if defined(BCM_REQUEST_FW)
209210 extern char * dngl_firmware;
....@@ -602,7 +603,7 @@
602603 
603604 #ifdef EXTERNAL_FW_PATH
604605 static int
605
-dbus_get_fw_nvram(dhd_bus_t *dhd_bus)
606
+dbus_get_fw_nvram(dhd_bus_t *dhd_bus, char *pfw_path, char *pnv_path)
606607 {
607608 	int bcmerror = -1, i;
608609 	uint len, total_len;
....@@ -617,8 +618,6 @@
617618 	struct trx_header *hdr;
618619 	uint32 img_offset = 0;
619620 	int offset = 0;
620
-	char *pfw_path = dhd_bus->fw_path;
621
-	char *pnv_path = dhd_bus->nv_path;
622621 
623622 	/* For Get nvram */
624623 	file_exists = ((pnv_path != NULL) && (pnv_path[0] != '\0'));
....@@ -751,11 +750,11 @@
751750  * the dongle
752751  */
753752 static int
754
-dbus_do_download(dhd_bus_t *dhd_bus)
753
+dbus_do_download(dhd_bus_t *dhd_bus, char *pfw_path, char *pnv_path)
755754 {
756755 	int err = DBUS_OK;
757756 
758
-	err = dbus_get_fw_nvram(dhd_bus);
757
+	err = dbus_get_fw_nvram(dhd_bus, pfw_path, pnv_path);
759758 	if (err) {
760759 		DBUSERR(("dbus_do_download: fail to get nvram %d\n", err));
761760 		return err;
....@@ -863,12 +862,7 @@
863862 			nvram_words_pad = 4 - dhd_bus->nvram_len % 4;
864863 
865864 		len = actual_fwlen + dhd_bus->nvram_len + nvram_words_pad;
866
-#if defined(CONFIG_DHD_USE_STATIC_BUF)
867
-		dhd_bus->image = (uint8*)DHD_OS_PREALLOC(dhd_bus->dhd,
868
-			DHD_PREALLOC_MEMDUMP_RAM, len);
869
-#else
870865 		dhd_bus->image = MALLOC(dhd_bus->pub.osh, len);
871
-#endif /* CONFIG_DHD_USE_STATIC_BUF */
872866 		dhd_bus->image_len = len;
873867 		if (dhd_bus->image == NULL) {
874868 			DBUSERR(("%s: malloc failed!\n", __FUNCTION__));
....@@ -947,7 +941,7 @@
947941 #if defined(BCM_REQUEST_FW)
948942 	dhd_bus->firmware = dbus_get_fw_nvfile(dhd_bus->pub.attrib.devid,
949943 		dhd_bus->pub.attrib.chiprev, &dhd_bus->fw, &dhd_bus->fwlen,
950
-		DBUS_FIRMWARE, 0, 0, dhd_bus->fw_path);
944
+		DBUS_FIRMWARE, 0, 0);
951945 	if (!dhd_bus->firmware)
952946 		return DBUS_ERR;
953947 #endif
....@@ -973,7 +967,7 @@
973967 	nonfwnvramlen = 0;
974968 	dhd_bus->nvfile = dbus_get_fw_nvfile(dhd_bus->pub.attrib.devid,
975969 		dhd_bus->pub.attrib.chiprev, (void *)&temp_nvram, &temp_len,
976
-		DBUS_NVFILE, boardtype, boardrev, dhd_bus->nv_path);
970
+		DBUS_NVFILE, boardtype, boardrev);
977971 	if (dhd_bus->nvfile) {
978972 		int8 *tmp = MALLOC(dhd_bus->pub.osh, temp_len);
979973 		if (tmp) {
....@@ -1004,11 +998,7 @@
1004998 		err = DBUS_ERR;
1005999 
10061000 	if (dhd_bus->nvram) {
1007
-#if defined(CONFIG_DHD_USE_STATIC_BUF)
1008
-		DHD_OS_PREFREE(dhd_bus->dhd, dhd_bus->image, dhd_bus->image_len);
1009
-#else
10101001 		MFREE(dhd_bus->pub.osh, dhd_bus->image, dhd_bus->image_len);
1011
-#endif /* CONFIG_DHD_USE_STATIC_BUF */
10121002 		dhd_bus->image = dhd_bus->fw;
10131003 		dhd_bus->image_len = (uint32)dhd_bus->fwlen;
10141004 	}
....@@ -1041,6 +1031,16 @@
10411031 } /* dbus_do_download */
10421032 #endif /* EXTERNAL_FW_PATH */
10431033 #endif
1034
+
1035
+/** required for DBUS deregistration */
1036
+static void
1037
+dbus_disconnect(void *handle)
1038
+{
1039
+	DBUSTRACE(("%s\n", __FUNCTION__));
1040
+
1041
+	if (disconnect_cb)
1042
+		disconnect_cb(disc_arg);
1043
+}
10441044 
10451045 /**
10461046  * This function is called when the sent irb times out without a tx response status.
....@@ -1373,17 +1373,22 @@
13731373 	return irb;
13741374 }
13751375 
1376
-/* Register/Unregister functions are called by the main DHD entry
1377
- * point (e.g. module insertion) to link with the bus driver, in
1378
- * order to look for or await the device.
1376
+/**
1377
+ * Called as part of DBUS bus registration. Calls back into higher level (e.g. dhd_linux.c) probe
1378
+ * function.
13791379  */
1380
+static void *
1381
+dbus_probe(void *arg, const char *desc, uint32 bustype, uint16 bus_no,
1382
+	uint16 slot, uint32 hdrlen)
1383
+{
1384
+	DBUSTRACE(("%s\n", __FUNCTION__));
1385
+	if (probe_cb) {
1386
+		disc_arg = probe_cb(probe_arg, desc, bustype, bus_no, slot, hdrlen);
1387
+		return disc_arg;
1388
+	}
13801389 
1381
-static dbus_driver_t dhd_dbus = {
1382
-	dhd_dbus_probe_cb,
1383
-	dhd_dbus_disconnect_cb,
1384
-	dbus_suspend,
1385
-	dbus_resume
1386
-};
1390
+	return (void *)DBUS_ERR;
1391
+}
13871392 
13881393 /**
13891394  * As part of initialization, higher level (e.g. dhd_linux.c) requests DBUS to prepare for
....@@ -1396,7 +1401,12 @@
13961401 
13971402 	DBUSTRACE(("%s: Enter\n", __FUNCTION__));
13981403 
1399
-	err = dbus_bus_register(&dhd_dbus, &g_busintf);
1404
+	probe_cb = dhd_dbus_probe_cb;
1405
+	disconnect_cb = dhd_dbus_disconnect_cb;
1406
+	probe_arg = NULL;
1407
+
1408
+	err = dbus_bus_register(0xa5c, 0x48f, dbus_probe, /* call lower DBUS level register function */
1409
+		dbus_disconnect, NULL, &g_busintf, NULL, NULL);
14001410 
14011411 	/* Device not detected */
14021412 	if (err == DBUS_ERR_NODEVICE)
....@@ -1406,10 +1416,11 @@
14061416 }
14071417 
14081418 dhd_pub_t *g_pub = NULL;
1409
-bool net_attached = FALSE;
14101419 void
14111420 dhd_bus_unregister(void)
14121421 {
1422
+	int ret;
1423
+
14131424 	DBUSTRACE(("%s\n", __FUNCTION__));
14141425 
14151426 	DHD_MUTEX_LOCK();
....@@ -1419,8 +1430,11 @@
14191430 			dhd_dbus_disconnect_cb(g_pub->bus);
14201431 		}
14211432 	}
1433
+	probe_cb = NULL;
14221434 	DHD_MUTEX_UNLOCK();
1423
-	dbus_bus_deregister();
1435
+	ret = dbus_bus_deregister();
1436
+	disconnect_cb = NULL;
1437
+	probe_arg = NULL;
14241438 }
14251439 
14261440 /** As part of initialization, data structures have to be allocated and initialized */
....@@ -1586,7 +1600,7 @@
15861600 }
15871601 
15881602 #if defined(BCM_REQUEST_FW)
1589
-int dbus_download_firmware(dhd_bus_t *pub)
1603
+int dbus_download_firmware(dhd_bus_t *pub, char *pfw_path, char *pnv_path)
15901604 {
15911605 	dhd_bus_t *dhd_bus = (dhd_bus_t *) pub;
15921606 	int err = DBUS_OK;
....@@ -1599,7 +1613,11 @@
15991613 	DBUSTRACE(("%s: state %d\n", __FUNCTION__, dhd_bus->pub.busstate));
16001614 
16011615 	dhd_bus->pub.busstate = DBUS_STATE_DL_PENDING;
1616
+#ifdef EXTERNAL_FW_PATH
1617
+	err = dbus_do_download(dhd_bus, pfw_path, pnv_path);
1618
+#else
16021619 	err = dbus_do_download(dhd_bus);
1620
+#endif /* EXTERNAL_FW_PATH */
16031621 	if (err == DBUS_OK) {
16041622 		dhd_bus->pub.busstate = DBUS_STATE_DL_DONE;
16051623 	} else {
....@@ -1700,19 +1718,24 @@
17001718 	return DBUS_ERR;
17011719 }
17021720 
1721
+int dbus_send_txdata(dbus_pub_t *dbus, void *pktbuf)
1722
+{
1723
+	return dbus_send_pkt(dbus, pktbuf, pktbuf /* pktinfo */);
1724
+}
1725
+
17031726 int
17041727 dbus_send_buf(dbus_pub_t *pub, uint8 *buf, int len, void *info)
17051728 {
17061729 	return dbus_send_irb(pub, buf, len, NULL, info);
17071730 }
17081731 
1709
-static int
1732
+int
17101733 dbus_send_pkt(dbus_pub_t *pub, void *pkt, void *info)
17111734 {
17121735 	return dbus_send_irb(pub, NULL, 0, pkt, info);
17131736 }
17141737 
1715
-static int
1738
+int
17161739 dbus_send_ctl(struct dhd_bus *pub, uint8 *buf, int len)
17171740 {
17181741 	dhd_bus_t *dhd_bus = (dhd_bus_t *) pub;
....@@ -1733,7 +1756,7 @@
17331756 	return DBUS_ERR;
17341757 }
17351758 
1736
-static int
1759
+int
17371760 dbus_recv_ctl(struct dhd_bus *pub, uint8 *buf, int len)
17381761 {
17391762 	dhd_bus_t *dhd_bus = (dhd_bus_t *) pub;
....@@ -1745,8 +1768,6 @@
17451768 		dhd_bus->pub.busstate == DBUS_STATE_SLEEP) {
17461769 		if (dhd_bus->drvintf && dhd_bus->drvintf->recv_ctl)
17471770 			return dhd_bus->drvintf->recv_ctl(dhd_bus->bus_info, buf, len);
1748
-	} else {
1749
-		DBUSERR(("%s: bustate=%d\n", __FUNCTION__, dhd_bus->pub.busstate));
17501771 	}
17511772 
17521773 	return DBUS_ERR;
....@@ -1785,9 +1806,8 @@
17851806 	return DBUS_ERR;
17861807 }
17871808 
1788
-#ifdef INTR_EP_ENABLE
17891809 /** only called by dhd_cdc.c (Dec 2012) */
1790
-static int
1810
+int
17911811 dbus_poll_intr(dbus_pub_t *pub)
17921812 {
17931813 	dhd_bus_t *dhd_bus = (dhd_bus_t *) pub;
....@@ -1805,7 +1825,6 @@
18051825 	}
18061826 	return status;
18071827 }
1808
-#endif /* INTR_EP_ENABLE */
18091828 
18101829 /** called by nobody (Dec 2012) */
18111830 void *
....@@ -2442,49 +2461,31 @@
24422461 			dhd->tx_ctlerrs++;
24432462 	}
24442463 
2445
-	dhd->bus->ctl_completed = TRUE;
2446
-	dhd_os_ioctl_resp_wake(dhd);
2464
+	dhd_prot_ctl_complete(dhd);
24472465 }
24482466 
24492467 static void
24502468 dhd_dbus_state_change(void *handle, int state)
24512469 {
24522470 	dhd_pub_t *dhd = (dhd_pub_t *)handle;
2453
-	unsigned long flags;
2454
-	wifi_adapter_info_t *adapter;
2455
-	int wowl_dngldown = 0;
24562471 
24572472 	if (dhd == NULL) {
24582473 		DBUSERR(("%s: dhd is NULL\n", __FUNCTION__));
24592474 		return;
24602475 	}
2461
-	adapter = (wifi_adapter_info_t *)dhd->adapter;
2462
-#ifdef WL_EXT_WOWL
2463
-	wowl_dngldown = dhd_conf_wowl_dngldown(dhd);
2464
-#endif
24652476 
2466
-	if ((dhd->busstate == DHD_BUS_SUSPEND && state == DBUS_STATE_DOWN) ||
2467
-			(dhd->hostsleep && wowl_dngldown)) {
2468
-		DBUSERR(("%s: switch state %d to %d\n", __FUNCTION__, state, DBUS_STATE_SLEEP));
2469
-		state = DBUS_STATE_SLEEP;
2470
-	}
24712477 	switch (state) {
2478
+
24722479 		case DBUS_STATE_DL_NEEDED:
24732480 			DBUSERR(("%s: firmware request cannot be handled\n", __FUNCTION__));
24742481 			break;
24752482 		case DBUS_STATE_DOWN:
2476
-			DHD_LINUX_GENERAL_LOCK(dhd, flags);
2477
-			dhd_txflowcontrol(dhd, ALL_INTERFACES, ON);
24782483 			DBUSTRACE(("%s: DBUS is down\n", __FUNCTION__));
24792484 			dhd->busstate = DHD_BUS_DOWN;
2480
-			DHD_LINUX_GENERAL_UNLOCK(dhd, flags);
24812485 			break;
24822486 		case DBUS_STATE_UP:
24832487 			DBUSTRACE(("%s: DBUS is up\n", __FUNCTION__));
2484
-			DHD_LINUX_GENERAL_LOCK(dhd, flags);
2485
-			dhd_txflowcontrol(dhd, ALL_INTERFACES, OFF);
24862488 			dhd->busstate = DHD_BUS_DATA;
2487
-			DHD_LINUX_GENERAL_UNLOCK(dhd, flags);
24882489 			break;
24892490 		default:
24902491 			break;
....@@ -2576,7 +2577,14 @@
25762577 struct device *
25772578 dhd_bus_to_dev(struct dhd_bus *bus)
25782579 {
2579
-	return dbus_get_dev();
2580
+	struct usb_device *pdev;
2581
+
2582
+	pdev = (struct usb_device *)bus->pub.dev_info;
2583
+
2584
+	if (pdev)
2585
+		return &pdev->dev;
2586
+	else
2587
+		return NULL;
25802588 }
25812589 
25822590 void
....@@ -2598,91 +2606,7 @@
25982606 		DBUSTRACE(("txoff\n"));
25992607 		return BCME_EPERM;
26002608 	}
2601
-	return dbus_send_pkt(&bus->pub, pktbuf, pktbuf);
2602
-}
2603
-
2604
-int
2605
-dhd_bus_txctl(struct dhd_bus *bus, uchar *msg, uint msglen)
2606
-{
2607
-	int timeleft = 0;
2608
-	int ret = -1;
2609
-
2610
-	DBUSTRACE(("%s: Enter\n", __FUNCTION__));
2611
-
2612
-	if (bus->dhd->dongle_reset)
2613
-		return -EIO;
2614
-
2615
-	bus->ctl_completed = FALSE;
2616
-	ret = dbus_send_ctl(bus, (void *)msg, msglen);
2617
-	if (ret) {
2618
-		DBUSERR(("%s: dbus_send_ctl error %d\n", __FUNCTION__, ret));
2619
-		return ret;
2620
-	}
2621
-
2622
-	timeleft = dhd_os_ioctl_resp_wait(bus->dhd, &bus->ctl_completed);
2623
-	if ((!timeleft) || (!bus->ctl_completed)) {
2624
-		DBUSERR(("%s: Txctl timeleft %d ctl_completed %d\n",
2625
-			__FUNCTION__, timeleft, bus->ctl_completed));
2626
-		ret = -1;
2627
-	}
2628
-
2629
-#ifdef INTR_EP_ENABLE
2630
-	/* If the ctl write is successfully completed, wait for an acknowledgement
2631
-	* that indicates that it is now ok to do ctl read from the dongle
2632
-	*/
2633
-	if (ret != -1) {
2634
-		bus->ctl_completed = FALSE;
2635
-		if (dbus_poll_intr(bus->pub)) {
2636
-			DBUSERR(("%s: dbus_poll_intr not submitted\n", __FUNCTION__));
2637
-		} else {
2638
-			/* interrupt polling is sucessfully submitted. Wait for dongle to send
2639
-			* interrupt
2640
-			*/
2641
-			timeleft = dhd_os_ioctl_resp_wait(bus->dhd, &bus->ctl_completed);
2642
-			if (!timeleft) {
2643
-				DBUSERR(("%s: intr poll wait timed out\n", __FUNCTION__));
2644
-			}
2645
-		}
2646
-	}
2647
-#endif /* INTR_EP_ENABLE */
2648
-
2649
-	return ret;
2650
-}
2651
-
2652
-int
2653
-dhd_bus_rxctl(struct dhd_bus *bus, uchar *msg, uint msglen)
2654
-{
2655
-	int timeleft;
2656
-	int ret = -1;
2657
-
2658
-	DBUSTRACE(("%s: Enter\n", __FUNCTION__));
2659
-
2660
-	if (bus->dhd->dongle_reset)
2661
-		return -EIO;
2662
-
2663
-	bus->ctl_completed = FALSE;
2664
-	ret = dbus_recv_ctl(bus, (uchar*)msg, msglen);
2665
-	if (ret) {
2666
-		DBUSERR(("%s: dbus_recv_ctl error %d\n", __FUNCTION__, ret));
2667
-		goto done;
2668
-	}
2669
-
2670
-	timeleft = dhd_os_ioctl_resp_wait(bus->dhd, &bus->ctl_completed);
2671
-	if ((!timeleft) || (!bus->ctl_completed)) {
2672
-		DBUSERR(("%s: Rxctl timeleft %d ctl_completed %d\n", __FUNCTION__,
2673
-			timeleft, bus->ctl_completed));
2674
-		ret = -ETIMEDOUT;
2675
-		goto done;
2676
-	}
2677
-
2678
-	/* XXX FIX: Must return cdc_len, not len, because after query_ioctl()
2679
-	 * it subtracts sizeof(cdc_ioctl_t);  The other approach is
2680
-	 * to have dbus_recv_ctl() return actual len.
2681
-	 */
2682
-	ret = msglen;
2683
-
2684
-done:
2685
-	return ret;
2609
+	return dbus_send_txdata(&bus->pub, pktbuf);
26862610 }
26872611 
26882612 static void
....@@ -2712,8 +2636,7 @@
27122636 	int timeleft;
27132637 
27142638 	DHD_LINUX_GENERAL_LOCK(dhdp, flags);
2715
-	if (dhdp->busstate != DHD_BUS_SUSPEND)
2716
-		dhdp->busstate = DHD_BUS_REMOVE;
2639
+	dhdp->busstate = DHD_BUS_REMOVE;
27172640 	DHD_LINUX_GENERAL_UNLOCK(dhdp, flags);
27182641 
27192642 	timeleft = dhd_os_busbusy_wait_negation(dhdp, &dhdp->dhd_bus_busy_state);
....@@ -2806,160 +2729,27 @@
28062729 
28072730 }
28082731 
2809
-static int
2810
-dhd_dbus_sync_dongle(dhd_pub_t *pub, int dlneeded)
2811
-{
2812
-	int ret = 0;
2813
-
2814
-	if (dlneeded == 0) {
2815
-		ret = dbus_up(pub->bus);
2816
-		if (ret) {
2817
-			DBUSERR(("%s: dbus_up failed!!\n", __FUNCTION__));
2818
-			goto exit;
2819
-		}
2820
-		ret = dhd_sync_with_dongle(pub);
2821
-		if (ret < 0) {
2822
-			DBUSERR(("%s: failed with code ret=%d\n", __FUNCTION__, ret));
2823
-			goto exit;
2824
-		}
2825
-	}
2826
-
2827
-exit:
2828
-	return ret;
2829
-}
2830
-
2831
-static int
2832
-dbus_suspend(void *context)
2833
-{
2834
-	int ret = 0;
2835
-
2836
-#if defined(LINUX)
2837
-	dhd_bus_t *bus = (dhd_bus_t*)context;
2838
-	unsigned long flags;
2839
-
2840
-	DBUSERR(("%s Enter\n", __FUNCTION__));
2841
-	if (bus->dhd == NULL) {
2842
-		DBUSERR(("bus not inited\n"));
2843
-		return BCME_ERROR;
2844
-	}
2845
-	if (bus->dhd->prot == NULL) {
2846
-		DBUSERR(("prot is not inited\n"));
2847
-		return BCME_ERROR;
2848
-	}
2849
-
2850
-	if (bus->dhd->up == FALSE) {
2851
-		return BCME_OK;
2852
-	}
2853
-
2854
-	DHD_LINUX_GENERAL_LOCK(bus->dhd, flags);
2855
-	if (bus->dhd->busstate != DHD_BUS_DATA && bus->dhd->busstate != DHD_BUS_SUSPEND) {
2856
-		DBUSERR(("not in a readystate to LPBK  is not inited\n"));
2857
-		DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags);
2858
-		return BCME_ERROR;
2859
-	}
2860
-	DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags);
2861
-	if (bus->dhd->dongle_reset) {
2862
-		DBUSERR(("Dongle is in reset state.\n"));
2863
-		return -EIO;
2864
-	}
2865
-
2866
-	DHD_LINUX_GENERAL_LOCK(bus->dhd, flags);
2867
-	/* stop all interface network queue. */
2868
-	dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, ON);
2869
-	bus->dhd->busstate = DHD_BUS_SUSPEND;
2870
-#if defined(LINUX) || defined(linux)
2871
-	if (DHD_BUS_BUSY_CHECK_IN_TX(bus->dhd)) {
2872
-		DBUSERR(("Tx Request is not ended\n"));
2873
-		bus->dhd->busstate = DHD_BUS_DATA;
2874
-		/* resume all interface network queue. */
2875
-		dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, OFF);
2876
-		DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags);
2877
-		return -EBUSY;
2878
-	}
2879
-#endif /* LINUX || linux */
2880
-	DHD_BUS_BUSY_SET_SUSPEND_IN_PROGRESS(bus->dhd);
2881
-	DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags);
2882
-
2883
-	ret = dhd_os_check_wakelock_all(bus->dhd);
2884
-
2885
-	DHD_LINUX_GENERAL_LOCK(bus->dhd, flags);
2886
-	if (ret) {
2887
-		bus->dhd->busstate = DHD_BUS_DATA;
2888
-		/* resume all interface network queue. */
2889
-		dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, OFF);
2890
-	} else {
2891
-		bus->last_suspend_end_time = OSL_LOCALTIME_NS();
2892
-	}
2893
-	bus->dhd->hostsleep = 2;
2894
-	DHD_BUS_BUSY_CLEAR_SUSPEND_IN_PROGRESS(bus->dhd);
2895
-	dhd_os_busbusy_wake(bus->dhd);
2896
-	DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags);
2897
-
2898
-#endif /* LINUX */
2899
-	DBUSERR(("%s Exit ret=%d\n", __FUNCTION__, ret));
2900
-	return ret;
2901
-}
2902
-
2903
-static int
2904
-dbus_resume(void *context)
2905
-{
2906
-	dhd_bus_t *bus = (dhd_bus_t*)context;
2907
-	ulong flags;
2908
-	int dlneeded = 0;
2909
-	int ret = 0;
2910
-
2911
-	DBUSERR(("%s Enter\n", __FUNCTION__));
2912
-
2913
-	if (bus->dhd->up == FALSE) {
2914
-		return BCME_OK;
2915
-	}
2916
-	
2917
-	dlneeded = dbus_dlneeded(bus);
2918
-	if (dlneeded == 0) {
2919
-		ret = dbus_up(bus);
2920
-		if (ret) {
2921
-			DBUSERR(("%s: dbus_up failed!!\n", __FUNCTION__));
2922
-		}
2923
-	}
2924
-
2925
-	DHD_LINUX_GENERAL_LOCK(bus->dhd, flags);
2926
-	DHD_BUS_BUSY_SET_RESUME_IN_PROGRESS(bus->dhd);
2927
-	DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags);
2928
-
2929
-	DHD_LINUX_GENERAL_LOCK(bus->dhd, flags);
2930
-	DHD_BUS_BUSY_CLEAR_RESUME_IN_PROGRESS(bus->dhd);
2931
-	bus->dhd->hostsleep = 0;
2932
-	bus->dhd->busstate = DHD_BUS_DATA;
2933
-	dhd_os_busbusy_wake(bus->dhd);
2934
-	/* resume all interface network queue. */
2935
-	dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, OFF);
2936
-	DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags);
2937
-//	dhd_conf_set_suspend_resume(bus->dhd, 0);
2938
-
2939
-	return 0;
2940
-}
2941
-
29422732 /*
29432733  * hdrlen is space to reserve in pkt headroom for DBUS
29442734  */
2945
-static void *
2946
-dhd_dbus_probe_cb(uint16 bus_no, uint16 slot, uint32 hdrlen)
2735
+void *
2736
+dhd_dbus_probe_cb(void *arg, const char *desc, uint32 bustype,
2737
+	uint16 bus_no, uint16 slot, uint32 hdrlen)
29472738 {
29482739 	osl_t *osh = NULL;
29492740 	dhd_bus_t *bus = NULL;
29502741 	dhd_pub_t *pub = NULL;
29512742 	uint rxsz;
2952
-	int dlneeded = 0, ret = DBUS_OK;
2743
+	int dlneeded = 0;
29532744 	wifi_adapter_info_t *adapter = NULL;
2954
-	bool net_attach_now = TRUE;
29552745 
29562746 	DBUSTRACE(("%s: Enter\n", __FUNCTION__));
29572747 
2958
-	adapter = dhd_wifi_platform_get_adapter(USB_BUS, bus_no, slot);
2748
+	adapter = dhd_wifi_platform_get_adapter(bustype, bus_no, slot);
29592749 
29602750 	if (!g_pub) {
29612751 		/* Ask the OS interface part for an OSL handle */
2962
-		if (!(osh = osl_attach(NULL, USB_BUS, TRUE))) {
2752
+		if (!(osh = osl_attach(NULL, bustype, TRUE))) {
29632753 			DBUSERR(("%s: OSL attach failed\n", __FUNCTION__));
29642754 			goto fail;
29652755 		}
....@@ -2986,57 +2776,35 @@
29862776 		bus->dhd = pub;
29872777 
29882778 		dlneeded = dbus_dlneeded(bus);
2989
-		if (dlneeded >= 0 && !g_pub) {
2990
-			dhd_conf_reset(pub);
2991
-			dhd_conf_set_chiprev(pub, bus->pub.attrib.devid, bus->pub.attrib.chiprev);
2992
-			dhd_conf_preinit(pub);
2779
+		if (dlneeded >= 0) {
2780
+			if (!g_pub) {
2781
+				dhd_conf_reset(pub);
2782
+				dhd_conf_set_chiprev(pub, bus->pub.attrib.devid, bus->pub.attrib.chiprev);
2783
+				dhd_conf_preinit(pub);
2784
+			}
29932785 		}
29942786 
2995
-#if defined(BCMDHD_MODULAR) && defined(INSMOD_FW_LOAD)
2996
-		if (1)
2997
-#else
2998
-		if (g_pub || dhd_download_fw_on_driverload)
2999
-#endif
3000
-		{
3001
-			if (dlneeded == 0)
2787
+		if (g_pub || dhd_download_fw_on_driverload) {
2788
+			if (dlneeded == 0) {
30022789 				wifi_set_adapter_status(adapter, WIFI_STATUS_FW_READY);
30032790 #ifdef BCM_REQUEST_FW
3004
-			else if (dlneeded > 0) {
3005
-				struct dhd_conf *conf = pub->conf;
3006
-				unsigned long flags;
3007
-				bool suspended;
3008
-				wifi_clr_adapter_status(adapter, WIFI_STATUS_FW_READY);
3009
-				suspended = conf->suspended;
2791
+			} else if (dlneeded > 0) {
30102792 				dhd_set_path(bus->dhd);
3011
-				conf->suspended = suspended;
3012
-				if (dbus_download_firmware(bus) != DBUS_OK)
2793
+				if (dbus_download_firmware(bus, bus->fw_path, bus->nv_path) != DBUS_OK)
30132794 					goto fail;
3014
-				DHD_LINUX_GENERAL_LOCK(pub, flags);
3015
-				if (bus->dhd->busstate != DHD_BUS_SUSPEND)
3016
-					bus->dhd->busstate = DHD_BUS_LOAD;
3017
-				DHD_LINUX_GENERAL_UNLOCK(pub, flags);
3018
-			}
30192795 #endif
3020
-			else {
2796
+			} else {
30212797 				goto fail;
30222798 			}
30232799 		}
3024
-	}
3025
-	else {
2800
+	} else {
30262801 		DBUSERR(("%s: dbus_attach failed\n", __FUNCTION__));
3027
-		goto fail;
30282802 	}
30292803 
3030
-#if defined(BCMDHD_MODULAR) && defined(INSMOD_FW_LOAD)
3031
-	if (dlneeded > 0)
3032
-		net_attach_now = FALSE;
3033
-#endif
3034
-
3035
-	if (!net_attached && (net_attach_now || (dlneeded == 0))) {
3036
-		if (dhd_dbus_sync_dongle(pub, dlneeded)) {
3037
-			goto fail;
3038
-		}
3039
-		if (dhd_attach_net(bus->dhd, TRUE) != 0) {
2804
+	if (!g_pub) {
2805
+		/* Ok, have the per-port tell the stack we're open for business */
2806
+		if (dhd_attach_net(bus->dhd, TRUE) != 0)
2807
+		{
30402808 			DBUSERR(("%s: Net attach failed!!\n", __FUNCTION__));
30412809 			goto fail;
30422810 		}
....@@ -3044,32 +2812,14 @@
30442812 #if defined(MULTIPLE_SUPPLICANT)
30452813 		wl_android_post_init(); // terence 20120530: fix critical section in dhd_open and dhdsdio_probe
30462814 #endif
3047
-		net_attached = TRUE;
3048
-	}
3049
-	else if (net_attached && (pub->up == 1) && (dlneeded == 0)) {
3050
-		// kernel resume case
3051
-		pub->hostsleep = 0;
3052
-		ret = dhd_dbus_sync_dongle(pub, dlneeded);
3053
-#ifdef WL_CFG80211
3054
-		__wl_cfg80211_up_resume(pub);
3055
-		wl_cfgp2p_start_p2p_device_resume(pub);
3056
-#endif
3057
-		dhd_conf_set_suspend_resume(pub, 0);
3058
-		if (ret != DBUS_OK)
3059
-			goto fail;
3060
-	}
3061
-
3062
-	if (!g_pub) {
30632815 		g_pub = pub;
30642816 	}
30652817 
30662818 	DBUSTRACE(("%s: Exit\n", __FUNCTION__));
3067
-	wifi_clr_adapter_status(adapter, WIFI_STATUS_BUS_DISCONNECTED);
3068
-	if (net_attached) {
3069
-		wifi_set_adapter_status(adapter, WIFI_STATUS_NET_ATTACHED);
3070
-		wake_up_interruptible(&adapter->status_event);
3071
-		/* This is passed to dhd_dbus_disconnect_cb */
3072
-	}
2819
+	wifi_clr_adapter_status(adapter, WIFI_STATUS_DETTACH);
2820
+	wifi_set_adapter_status(adapter, WIFI_STATUS_ATTACH);
2821
+	wake_up_interruptible(&adapter->status_event);
2822
+	/* This is passed to dhd_dbus_disconnect_cb */
30732823 	return bus;
30742824 
30752825 fail:
....@@ -3092,7 +2842,7 @@
30922842 	return NULL;
30932843 }
30942844 
3095
-static void
2845
+void
30962846 dhd_dbus_disconnect_cb(void *arg)
30972847 {
30982848 	dhd_bus_t *bus = (dhd_bus_t *)arg;
....@@ -3118,7 +2868,8 @@
31182868 		dhd_dbus_advertise_bus_remove(bus->dhd);
31192869 		dbus_detach(pub->bus);
31202870 		pub->bus = NULL;
3121
-		wifi_set_adapter_status(adapter, WIFI_STATUS_BUS_DISCONNECTED);
2871
+		wifi_clr_adapter_status(adapter, WIFI_STATUS_ATTACH);
2872
+		wifi_set_adapter_status(adapter, WIFI_STATUS_DETTACH);
31222873 		wake_up_interruptible(&adapter->status_event);
31232874 	} else {
31242875 		osh = pub->osh;
....@@ -3129,8 +2880,6 @@
31292880 		}
31302881 		dhd_free(pub);
31312882 		g_pub = NULL;
3132
-		net_attached = FALSE;
3133
-		wifi_clr_adapter_status(adapter, WIFI_STATUS_NET_ATTACHED);
31342883 		if (MALLOCED(osh)) {
31352884 			DBUSERR(("%s: MEMORY LEAK %d bytes\n", __FUNCTION__, MALLOCED(osh)));
31362885 		}
....@@ -3138,24 +2887,6 @@
31382887 	}
31392888 
31402889 	DBUSTRACE(("%s: Exit\n", __FUNCTION__));
3141
-}
3142
-
3143
-int
3144
-dhd_bus_sleep(dhd_pub_t *dhdp, bool sleep, uint32 *intstatus)
3145
-{
3146
-	wifi_adapter_info_t *adapter = (wifi_adapter_info_t *)dhdp->adapter;
3147
-	s32 timeout = -1;
3148
-	int err = 0;
3149
-
3150
-	timeout = wait_event_interruptible_timeout(adapter->status_event,
3151
-		wifi_get_adapter_status(adapter, WIFI_STATUS_BUS_DISCONNECTED),
3152
-		msecs_to_jiffies(12000));
3153
-	if (timeout <= 0) {
3154
-		err = -1;
3155
-		DBUSERR(("%s: bus disconnected timeout\n", __FUNCTION__));
3156
-	}
3157
-
3158
-	return err;
31592890 }
31602891 
31612892 #ifdef LINUX_EXTERNAL_MODULE_DBUS
....@@ -3175,7 +2906,6 @@
31752906 }
31762907 
31772908 EXPORT_SYMBOL(dbus_pnp_sleep);
3178
-EXPORT_SYMBOL(dhd_bus_register);
31792909 EXPORT_SYMBOL(dbus_get_devinfo);
31802910 EXPORT_SYMBOL(dbus_detach);
31812911 EXPORT_SYMBOL(dbus_get_attrib);
....@@ -3188,7 +2918,6 @@
31882918 EXPORT_SYMBOL(dbus_send_pkt);
31892919 EXPORT_SYMBOL(dbus_recv_ctl);
31902920 EXPORT_SYMBOL(dbus_attach);
3191
-EXPORT_SYMBOL(dhd_bus_unregister);
31922921 
31932922 MODULE_LICENSE("GPL");
31942923