Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2)  * Marvell Bluetooth driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Copyright (C) 2009, Marvell International Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * This software file (the "File") is distributed by Marvell International
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * (the "License").  You may use, redistribute and/or modify this File in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * accordance with the terms and conditions of the License, a copy of which
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * is available by writing to the Free Software Foundation, Inc.,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  * this warranty disclaimer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <net/bluetooth/bluetooth.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <net/bluetooth/hci_core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include <linux/mmc/sdio_func.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #include "btmrvl_drv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #include "btmrvl_sdio.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #define VERSION "1.0"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33)  * This function is called by interface specific interrupt handler.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34)  * It updates Power Save & Host Sleep states, and wakes up the main
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35)  * thread.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) void btmrvl_interrupt(struct btmrvl_private *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	priv->adapter->ps_state = PS_AWAKE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	priv->adapter->wakeup_tries = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	priv->adapter->int_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	if (priv->adapter->hs_state == HS_ACTIVATED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 		BT_DBG("BT: HS DEACTIVATED in ISR!");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		priv->adapter->hs_state = HS_DEACTIVATED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	wake_up_interruptible(&priv->main_thread.wait_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) EXPORT_SYMBOL_GPL(btmrvl_interrupt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	struct hci_event_hdr *hdr = (void *) skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	if (hdr->evt == HCI_EV_CMD_COMPLETE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		struct hci_ev_cmd_complete *ec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 		u16 opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		opcode = __le16_to_cpu(ec->opcode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		if (priv->btmrvl_dev.sendcmdflag) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 			priv->btmrvl_dev.sendcmdflag = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 			priv->adapter->cmd_complete = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 			wake_up_interruptible(&priv->adapter->cmd_wait_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 			if (hci_opcode_ogf(opcode) == 0x3F) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 				BT_DBG("vendor event skipped: opcode=%#4.4x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 				       opcode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 				kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 				return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) EXPORT_SYMBOL_GPL(btmrvl_check_evtpkt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	struct btmrvl_adapter *adapter = priv->adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	struct btmrvl_event *event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	event = (struct btmrvl_event *) skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	if (event->ec != 0xff) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 		BT_DBG("Not Marvell Event=%x", event->ec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	switch (event->data[0]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	case BT_EVENT_AUTO_SLEEP_MODE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		if (!event->data[2]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 			if (event->data[1] == BT_PS_ENABLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 				adapter->psmode = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 				adapter->psmode = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 			BT_DBG("PS Mode:%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 				(adapter->psmode) ? "Enable" : "Disable");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 			BT_DBG("PS Mode command failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	case BT_EVENT_HOST_SLEEP_CONFIG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 		if (!event->data[3])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 			BT_DBG("gpio=%x, gap=%x", event->data[1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 							event->data[2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 			BT_DBG("HSCFG command failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	case BT_EVENT_HOST_SLEEP_ENABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		if (!event->data[1]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 			adapter->hs_state = HS_ACTIVATED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 			if (adapter->psmode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 				adapter->ps_state = PS_SLEEP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 			wake_up_interruptible(&adapter->event_hs_wait_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 			BT_DBG("HS ACTIVATED!");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 			BT_DBG("HS Enable failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	case BT_EVENT_MODULE_CFG_REQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 		if (priv->btmrvl_dev.sendcmdflag &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 				event->data[1] == MODULE_BRINGUP_REQ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 			BT_DBG("EVENT:%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 				((event->data[2] == MODULE_BROUGHT_UP) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 				(event->data[2] == MODULE_ALREADY_UP)) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 				"Bring-up succeed" : "Bring-up failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 			if (event->length > 3 && event->data[3])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 				priv->btmrvl_dev.dev_type = HCI_AMP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 				priv->btmrvl_dev.dev_type = HCI_PRIMARY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 			BT_DBG("dev_type: %d", priv->btmrvl_dev.dev_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 		} else if (priv->btmrvl_dev.sendcmdflag &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 				event->data[1] == MODULE_SHUTDOWN_REQ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 			BT_DBG("EVENT:%s", (event->data[2]) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 				"Shutdown failed" : "Shutdown succeed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 			BT_DBG("BT_CMD_MODULE_CFG_REQ resp for APP");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 			ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	case BT_EVENT_POWER_STATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		if (event->data[1] == BT_PS_SLEEP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 			adapter->ps_state = PS_SLEEP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		BT_DBG("EVENT:%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 			(adapter->ps_state) ? "PS_SLEEP" : "PS_AWAKE");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 		BT_DBG("Unknown Event=%d", event->data[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) EXPORT_SYMBOL_GPL(btmrvl_process_event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) static int btmrvl_send_sync_cmd(struct btmrvl_private *priv, u16 opcode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 				const void *param, u8 len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	struct hci_command_hdr *hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	if (priv->surprise_removed) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 		BT_ERR("Card is removed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	skb = bt_skb_alloc(HCI_COMMAND_HDR_SIZE + len, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	if (!skb) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		BT_ERR("No free skb");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	hdr = skb_put(skb, HCI_COMMAND_HDR_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	hdr->opcode = cpu_to_le16(opcode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	hdr->plen = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	if (len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		skb_put_data(skb, param, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	hci_skb_pkt_type(skb) = MRVL_VENDOR_PKT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	skb_queue_head(&priv->adapter->tx_queue, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	priv->btmrvl_dev.sendcmdflag = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	priv->adapter->cmd_complete = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	wake_up_interruptible(&priv->main_thread.wait_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 					      priv->adapter->cmd_complete ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 					      priv->surprise_removed,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 					      WAIT_UNTIL_CMD_RESP))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 		return -ETIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	if (priv->surprise_removed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	ret = btmrvl_send_sync_cmd(priv, BT_CMD_MODULE_CFG_REQ, &subcmd, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		BT_ERR("module_cfg_cmd(%x) failed", subcmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) static int btmrvl_enable_sco_routing_to_host(struct btmrvl_private *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	u8 subcmd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	ret = btmrvl_send_sync_cmd(priv, BT_CMD_ROUTE_SCO_TO_HOST, &subcmd, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 		BT_ERR("BT_CMD_ROUTE_SCO_TO_HOST command failed: %#x", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	if (!card->support_pscan_win_report)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	ret = btmrvl_send_sync_cmd(priv, BT_CMD_PSCAN_WIN_REPORT_ENABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 				   &subcmd, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 		BT_ERR("PSCAN_WIN_REPORT_ENABLE command failed: %#x", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) EXPORT_SYMBOL_GPL(btmrvl_pscan_window_reporting);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	u8 param[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	param[0] = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	param[1] = (u8) (priv->btmrvl_dev.gpio_gap & 0x00ff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	BT_DBG("Sending HSCFG Command, gpio=0x%x, gap=0x%x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	       param[0], param[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_CONFIG, param, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 		BT_ERR("HSCFG command failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) EXPORT_SYMBOL_GPL(btmrvl_send_hscfg_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) int btmrvl_enable_ps(struct btmrvl_private *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	u8 param;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	if (priv->btmrvl_dev.psmode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 		param = BT_PS_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 		param = BT_PS_DISABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	ret = btmrvl_send_sync_cmd(priv, BT_CMD_AUTO_SLEEP_MODE, &param, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 		BT_ERR("PSMODE command failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) EXPORT_SYMBOL_GPL(btmrvl_enable_ps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) int btmrvl_enable_hs(struct btmrvl_private *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	struct btmrvl_adapter *adapter = priv->adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_ENABLE, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 		BT_ERR("Host sleep enable command failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	ret = wait_event_interruptible_timeout(adapter->event_hs_wait_q,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 					       adapter->hs_state ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 					       priv->surprise_removed,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 					       WAIT_UNTIL_HS_STATE_CHANGED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	if (ret < 0 || priv->surprise_removed) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 		BT_ERR("event_hs_wait_q terminated (%d): %d,%d,%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 		       ret, adapter->hs_state, adapter->ps_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 		       adapter->wakeup_tries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	} else if (!ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 		BT_ERR("hs_enable timeout: %d,%d,%d", adapter->hs_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 		       adapter->ps_state, adapter->wakeup_tries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 		ret = -ETIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 		BT_DBG("host sleep enabled: %d,%d,%d", adapter->hs_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 		       adapter->ps_state, adapter->wakeup_tries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 		ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) EXPORT_SYMBOL_GPL(btmrvl_enable_hs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) int btmrvl_prepare_command(struct btmrvl_private *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	if (priv->btmrvl_dev.hscfgcmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 		priv->btmrvl_dev.hscfgcmd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 		btmrvl_send_hscfg_cmd(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	if (priv->btmrvl_dev.pscmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 		priv->btmrvl_dev.pscmd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 		btmrvl_enable_ps(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	if (priv->btmrvl_dev.hscmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 		priv->btmrvl_dev.hscmd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 		if (priv->btmrvl_dev.hsmode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 			ret = btmrvl_enable_hs(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 			ret = priv->hw_wakeup_firmware(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 			priv->adapter->hs_state = HS_DEACTIVATED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 			BT_DBG("BT: HS DEACTIVATED due to host activity!");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) static int btmrvl_tx_pkt(struct btmrvl_private *priv, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	if (!skb || !skb->data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 	if (!skb->len || ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 		BT_ERR("Tx Error: Bad skb length %d : %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 						skb->len, BTM_UPLD_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	skb_push(skb, BTM_HEADER_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	/* header type: byte[3]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 	 * HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 	 * header length: byte[2][1][0]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 	skb->data[0] = (skb->len & 0x0000ff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 	skb->data[1] = (skb->len & 0x00ff00) >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 	skb->data[2] = (skb->len & 0xff0000) >> 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	skb->data[3] = hci_skb_pkt_type(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	if (priv->hw_host_to_card)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 		ret = priv->hw_host_to_card(priv, skb->data, skb->len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) static void btmrvl_init_adapter(struct btmrvl_private *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 	int buf_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 	skb_queue_head_init(&priv->adapter->tx_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	priv->adapter->ps_state = PS_AWAKE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	buf_size = ALIGN_SZ(SDIO_BLOCK_SIZE, BTSDIO_DMA_ALIGN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 	priv->adapter->hw_regs_buf = kzalloc(buf_size, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	if (!priv->adapter->hw_regs_buf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 		priv->adapter->hw_regs = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 		BT_ERR("Unable to allocate buffer for hw_regs.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 		priv->adapter->hw_regs =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 			(u8 *)ALIGN_ADDR(priv->adapter->hw_regs_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 					 BTSDIO_DMA_ALIGN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 		BT_DBG("hw_regs_buf=%p hw_regs=%p",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 		       priv->adapter->hw_regs_buf, priv->adapter->hw_regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 	init_waitqueue_head(&priv->adapter->cmd_wait_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 	init_waitqueue_head(&priv->adapter->event_hs_wait_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) static void btmrvl_free_adapter(struct btmrvl_private *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 	skb_queue_purge(&priv->adapter->tx_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 	kfree(priv->adapter->hw_regs_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	kfree(priv->adapter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 	priv->adapter = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) static int btmrvl_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 	struct btmrvl_private *priv = hci_get_drvdata(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 	BT_DBG("type=%d, len=%d", hci_skb_pkt_type(skb), skb->len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 	if (priv->adapter->is_suspending || priv->adapter->is_suspended) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 		BT_ERR("%s: Device is suspending or suspended", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 	switch (hci_skb_pkt_type(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 	case HCI_COMMAND_PKT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 		hdev->stat.cmd_tx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 	case HCI_ACLDATA_PKT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 		hdev->stat.acl_tx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	case HCI_SCODATA_PKT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 		hdev->stat.sco_tx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 	skb_queue_tail(&priv->adapter->tx_queue, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 	if (!priv->adapter->is_suspended)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 		wake_up_interruptible(&priv->main_thread.wait_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) static int btmrvl_flush(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 	struct btmrvl_private *priv = hci_get_drvdata(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 	skb_queue_purge(&priv->adapter->tx_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) static int btmrvl_close(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 	struct btmrvl_private *priv = hci_get_drvdata(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 	skb_queue_purge(&priv->adapter->tx_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) static int btmrvl_open(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) static int btmrvl_download_cal_data(struct btmrvl_private *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) 				    u8 *data, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) 	data[0] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) 	data[1] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) 	data[2] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) 	data[3] = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) 	print_hex_dump_bytes("Calibration data: ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) 			     DUMP_PREFIX_OFFSET, data, BT_CAL_HDR_LEN + len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) 	ret = btmrvl_send_sync_cmd(priv, BT_CMD_LOAD_CONFIG_DATA, data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) 				   BT_CAL_HDR_LEN + len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) 		BT_ERR("Failed to download calibration data");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) static int btmrvl_check_device_tree(struct btmrvl_private *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) 	struct device_node *dt_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) 	struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) 	u8 cal_data[BT_CAL_HDR_LEN + BT_CAL_DATA_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) 	u16 gpio, gap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) 	if (card->plt_of_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) 		dt_node = card->plt_of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) 		ret = of_property_read_u16(dt_node, "marvell,wakeup-pin",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) 					   &gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) 			gpio = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) 		ret = of_property_read_u16(dt_node, "marvell,wakeup-gap-ms",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) 					   &gap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) 			gap = (u8)(priv->btmrvl_dev.gpio_gap & 0x00ff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) 		priv->btmrvl_dev.gpio_gap = (gpio << 8) + gap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) 		ret = of_property_read_u8_array(dt_node, "marvell,cal-data",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) 						cal_data + BT_CAL_HDR_LEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) 						BT_CAL_DATA_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) 		BT_DBG("Use cal data from device tree");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) 		ret = btmrvl_download_cal_data(priv, cal_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) 					       BT_CAL_DATA_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) 			BT_ERR("Fail to download calibrate data");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) static int btmrvl_setup(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) 	struct btmrvl_private *priv = hci_get_drvdata(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) 	ret = btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) 	priv->btmrvl_dev.gpio_gap = 0xfffe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) 	btmrvl_check_device_tree(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) 	btmrvl_enable_sco_routing_to_host(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) 	btmrvl_pscan_window_reporting(priv, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) 	priv->btmrvl_dev.psmode = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) 	btmrvl_enable_ps(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) 	btmrvl_send_hscfg_cmd(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) static int btmrvl_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) 	struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) 	long ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) 	u8 buf[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) 	buf[0] = MRVL_VENDOR_PKT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) 	buf[1] = sizeof(bdaddr_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) 	memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) 	skb = __hci_cmd_sync(hdev, BT_CMD_SET_BDADDR, sizeof(buf), buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) 			     HCI_INIT_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) 	if (IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) 		ret = PTR_ERR(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) 		BT_ERR("%s: changing btmrvl device address failed (%ld)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) 		       hdev->name, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) 	kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) static bool btmrvl_prevent_wake(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) 	struct btmrvl_private *priv = hci_get_drvdata(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) 	struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) 	return !device_may_wakeup(&card->func->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599)  * This function handles the event generated by firmware, rx data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600)  * received from firmware, and tx data sent from kernel.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) static int btmrvl_service_main_thread(void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) 	struct btmrvl_thread *thread = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) 	struct btmrvl_private *priv = thread->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) 	struct btmrvl_adapter *adapter = priv->adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) 	wait_queue_entry_t wait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) 	struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) 	ulong flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) 	init_waitqueue_entry(&wait, current);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) 	for (;;) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) 		add_wait_queue(&thread->wait_q, &wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) 		set_current_state(TASK_INTERRUPTIBLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) 		if (kthread_should_stop() || priv->surprise_removed) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) 			BT_DBG("main_thread: break from main thread");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) 		if (adapter->wakeup_tries ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) 				((!adapter->int_count) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) 				(!priv->btmrvl_dev.tx_dnld_rdy ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) 				skb_queue_empty(&adapter->tx_queue)))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) 			BT_DBG("main_thread is sleeping...");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) 			schedule();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) 		set_current_state(TASK_RUNNING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) 		remove_wait_queue(&thread->wait_q, &wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) 		BT_DBG("main_thread woke up");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) 		if (kthread_should_stop() || priv->surprise_removed) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) 			BT_DBG("main_thread: break from main thread");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) 		spin_lock_irqsave(&priv->driver_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) 		if (adapter->int_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) 			adapter->int_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) 			spin_unlock_irqrestore(&priv->driver_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) 			priv->hw_process_int_status(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) 		} else if (adapter->ps_state == PS_SLEEP &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) 					!skb_queue_empty(&adapter->tx_queue)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) 			spin_unlock_irqrestore(&priv->driver_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) 			adapter->wakeup_tries++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) 			priv->hw_wakeup_firmware(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) 			spin_unlock_irqrestore(&priv->driver_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) 		if (adapter->ps_state == PS_SLEEP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) 		if (!priv->btmrvl_dev.tx_dnld_rdy ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) 		    priv->adapter->is_suspended)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) 		skb = skb_dequeue(&adapter->tx_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) 		if (skb) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) 			if (btmrvl_tx_pkt(priv, skb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) 				priv->btmrvl_dev.hcidev->stat.err_tx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) 				priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) 			kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) int btmrvl_register_hdev(struct btmrvl_private *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) 	struct hci_dev *hdev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) 	struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) 	hdev = hci_alloc_dev();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) 	if (!hdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) 		BT_ERR("Can not allocate HCI device");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) 		goto err_hdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) 	priv->btmrvl_dev.hcidev = hdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) 	hci_set_drvdata(hdev, priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) 	hdev->bus   = HCI_SDIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) 	hdev->open  = btmrvl_open;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) 	hdev->close = btmrvl_close;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) 	hdev->flush = btmrvl_flush;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) 	hdev->send  = btmrvl_send_frame;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) 	hdev->setup = btmrvl_setup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) 	hdev->set_bdaddr = btmrvl_set_bdaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) 	hdev->prevent_wake = btmrvl_prevent_wake;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) 	SET_HCIDEV_DEV(hdev, &card->func->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) 	hdev->dev_type = priv->btmrvl_dev.dev_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) 	ret = hci_register_dev(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) 		BT_ERR("Can not register HCI device");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) 		goto err_hci_register_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) #ifdef CONFIG_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) 	btmrvl_debugfs_init(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) err_hci_register_dev:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) 	hci_free_dev(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) err_hdev:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) 	/* Stop the thread servicing the interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) 	kthread_stop(priv->main_thread.task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) 	btmrvl_free_adapter(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) 	kfree(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) 	return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) EXPORT_SYMBOL_GPL(btmrvl_register_hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) struct btmrvl_private *btmrvl_add_card(void *card)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) 	struct btmrvl_private *priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) 	if (!priv) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) 		BT_ERR("Can not allocate priv");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) 		goto err_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) 	priv->adapter = kzalloc(sizeof(*priv->adapter), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) 	if (!priv->adapter) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) 		BT_ERR("Allocate buffer for btmrvl_adapter failed!");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) 		goto err_adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) 	btmrvl_init_adapter(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) 	BT_DBG("Starting kthread...");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) 	priv->main_thread.priv = priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) 	spin_lock_init(&priv->driver_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) 	init_waitqueue_head(&priv->main_thread.wait_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) 	priv->main_thread.task = kthread_run(btmrvl_service_main_thread,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) 				&priv->main_thread, "btmrvl_main_service");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) 	if (IS_ERR(priv->main_thread.task))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) 		goto err_thread;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) 	priv->btmrvl_dev.card = card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) 	priv->btmrvl_dev.tx_dnld_rdy = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) 	return priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) err_thread:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) 	btmrvl_free_adapter(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) err_adapter:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) 	kfree(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) err_priv:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) EXPORT_SYMBOL_GPL(btmrvl_add_card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) int btmrvl_remove_card(struct btmrvl_private *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) 	struct hci_dev *hdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) 	hdev = priv->btmrvl_dev.hcidev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) 	wake_up_interruptible(&priv->adapter->cmd_wait_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) 	wake_up_interruptible(&priv->adapter->event_hs_wait_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) 	kthread_stop(priv->main_thread.task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) #ifdef CONFIG_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) 	btmrvl_debugfs_remove(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) 	hci_unregister_dev(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) 	hci_free_dev(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) 	priv->btmrvl_dev.hcidev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) 	btmrvl_free_adapter(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) 	kfree(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) EXPORT_SYMBOL_GPL(btmrvl_remove_card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) MODULE_AUTHOR("Marvell International Ltd.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) MODULE_DESCRIPTION("Marvell Bluetooth driver ver " VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) MODULE_VERSION(VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) MODULE_LICENSE("GPL v2");