Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 1 | /** |
| 2 | * Marvell Bluetooth driver |
| 3 | * |
| 4 | * Copyright (C) 2009, Marvell International Ltd. |
| 5 | * |
| 6 | * This software file (the "File") is distributed by Marvell International |
| 7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 |
| 8 | * (the "License"). You may use, redistribute and/or modify this File in |
| 9 | * accordance with the terms and conditions of the License, a copy of which |
| 10 | * is available by writing to the Free Software Foundation, Inc., |
| 11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the |
| 12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. |
| 13 | * |
| 14 | * |
| 15 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE |
| 16 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE |
| 17 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about |
| 18 | * this warranty disclaimer. |
| 19 | **/ |
| 20 | |
Paul Gortmaker | a59b968 | 2011-08-29 16:44:23 -0400 | [diff] [blame] | 21 | #include <linux/module.h> |
Bing Zhao | 433a938 | 2013-11-01 15:28:24 -0700 | [diff] [blame] | 22 | #include <linux/of.h> |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 23 | #include <net/bluetooth/bluetooth.h> |
| 24 | #include <net/bluetooth/hci_core.h> |
| 25 | |
| 26 | #include "btmrvl_drv.h" |
Bing Zhao | 0d36740 | 2014-03-28 14:54:39 -0700 | [diff] [blame] | 27 | #include "btmrvl_sdio.h" |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 28 | |
| 29 | #define VERSION "1.0" |
| 30 | |
| 31 | /* |
| 32 | * This function is called by interface specific interrupt handler. |
| 33 | * It updates Power Save & Host Sleep states, and wakes up the main |
| 34 | * thread. |
| 35 | */ |
| 36 | void btmrvl_interrupt(struct btmrvl_private *priv) |
| 37 | { |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 38 | priv->adapter->ps_state = PS_AWAKE; |
| 39 | |
| 40 | priv->adapter->wakeup_tries = 0; |
| 41 | |
| 42 | priv->adapter->int_count++; |
| 43 | |
Amitkumar Karwar | 4c79e1d | 2014-11-19 01:28:34 -0800 | [diff] [blame] | 44 | if (priv->adapter->hs_state == HS_ACTIVATED) { |
Amitkumar Karwar | 7365d47 | 2014-11-24 02:40:52 -0800 | [diff] [blame^] | 45 | BT_DBG("BT: HS DEACTIVATED in ISR!"); |
Amitkumar Karwar | 4c79e1d | 2014-11-19 01:28:34 -0800 | [diff] [blame] | 46 | priv->adapter->hs_state = HS_DEACTIVATED; |
| 47 | } |
| 48 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 49 | wake_up_interruptible(&priv->main_thread.wait_q); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 50 | } |
| 51 | EXPORT_SYMBOL_GPL(btmrvl_interrupt); |
| 52 | |
Andrei Emeltchenko | ea1e76a | 2012-06-13 13:35:44 +0300 | [diff] [blame] | 53 | bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb) |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 54 | { |
Marcel Holtmann | 4271e08 | 2009-06-09 16:00:22 +0200 | [diff] [blame] | 55 | struct hci_event_hdr *hdr = (void *) skb->data; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 56 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 57 | if (hdr->evt == HCI_EV_CMD_COMPLETE) { |
Andrei Emeltchenko | 2c2453f | 2012-07-09 13:57:18 +0300 | [diff] [blame] | 58 | struct hci_ev_cmd_complete *ec; |
Bing Zhao | 3e4543a | 2013-10-31 15:08:31 -0700 | [diff] [blame] | 59 | u16 opcode; |
Andrei Emeltchenko | 2c2453f | 2012-07-09 13:57:18 +0300 | [diff] [blame] | 60 | |
Marcel Holtmann | 4271e08 | 2009-06-09 16:00:22 +0200 | [diff] [blame] | 61 | ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 62 | opcode = __le16_to_cpu(ec->opcode); |
Andrei Emeltchenko | ea1e76a | 2012-06-13 13:35:44 +0300 | [diff] [blame] | 63 | |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 64 | if (priv->btmrvl_dev.sendcmdflag) { |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 65 | priv->btmrvl_dev.sendcmdflag = false; |
| 66 | priv->adapter->cmd_complete = true; |
| 67 | wake_up_interruptible(&priv->adapter->cmd_wait_q); |
Andrei Emeltchenko | ea1e76a | 2012-06-13 13:35:44 +0300 | [diff] [blame] | 68 | |
Amitkumar Karwar | d986b4a | 2014-03-20 20:05:44 -0700 | [diff] [blame] | 69 | if (hci_opcode_ogf(opcode) == 0x3F) { |
| 70 | BT_DBG("vendor event skipped: opcode=%#4.4x", |
| 71 | opcode); |
| 72 | kfree_skb(skb); |
| 73 | return false; |
| 74 | } |
Andrei Emeltchenko | ea1e76a | 2012-06-13 13:35:44 +0300 | [diff] [blame] | 75 | } |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 76 | } |
Andrei Emeltchenko | ea1e76a | 2012-06-13 13:35:44 +0300 | [diff] [blame] | 77 | |
| 78 | return true; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 79 | } |
| 80 | EXPORT_SYMBOL_GPL(btmrvl_check_evtpkt); |
| 81 | |
| 82 | int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb) |
| 83 | { |
| 84 | struct btmrvl_adapter *adapter = priv->adapter; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 85 | struct btmrvl_event *event; |
Dan Carpenter | 31f085f | 2010-03-08 15:15:59 +0300 | [diff] [blame] | 86 | int ret = 0; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 87 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 88 | event = (struct btmrvl_event *) skb->data; |
| 89 | if (event->ec != 0xff) { |
| 90 | BT_DBG("Not Marvell Event=%x", event->ec); |
| 91 | ret = -EINVAL; |
| 92 | goto exit; |
| 93 | } |
| 94 | |
| 95 | switch (event->data[0]) { |
Bing Zhao | 3e4543a | 2013-10-31 15:08:31 -0700 | [diff] [blame] | 96 | case BT_EVENT_AUTO_SLEEP_MODE: |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 97 | if (!event->data[2]) { |
| 98 | if (event->data[1] == BT_PS_ENABLE) |
| 99 | adapter->psmode = 1; |
| 100 | else |
| 101 | adapter->psmode = 0; |
| 102 | BT_DBG("PS Mode:%s", |
| 103 | (adapter->psmode) ? "Enable" : "Disable"); |
| 104 | } else { |
| 105 | BT_DBG("PS Mode command failed"); |
| 106 | } |
| 107 | break; |
| 108 | |
Bing Zhao | 3e4543a | 2013-10-31 15:08:31 -0700 | [diff] [blame] | 109 | case BT_EVENT_HOST_SLEEP_CONFIG: |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 110 | if (!event->data[3]) |
| 111 | BT_DBG("gpio=%x, gap=%x", event->data[1], |
Marcel Holtmann | 4271e08 | 2009-06-09 16:00:22 +0200 | [diff] [blame] | 112 | event->data[2]); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 113 | else |
| 114 | BT_DBG("HSCFG command failed"); |
| 115 | break; |
| 116 | |
Bing Zhao | 3e4543a | 2013-10-31 15:08:31 -0700 | [diff] [blame] | 117 | case BT_EVENT_HOST_SLEEP_ENABLE: |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 118 | if (!event->data[1]) { |
| 119 | adapter->hs_state = HS_ACTIVATED; |
| 120 | if (adapter->psmode) |
| 121 | adapter->ps_state = PS_SLEEP; |
Chin-Ran Lo | 396e04f | 2014-07-01 14:00:14 -0700 | [diff] [blame] | 122 | wake_up_interruptible(&adapter->event_hs_wait_q); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 123 | BT_DBG("HS ACTIVATED!"); |
| 124 | } else { |
| 125 | BT_DBG("HS Enable failed"); |
| 126 | } |
| 127 | break; |
| 128 | |
Bing Zhao | 3e4543a | 2013-10-31 15:08:31 -0700 | [diff] [blame] | 129 | case BT_EVENT_MODULE_CFG_REQ: |
Marcel Holtmann | 4271e08 | 2009-06-09 16:00:22 +0200 | [diff] [blame] | 130 | if (priv->btmrvl_dev.sendcmdflag && |
| 131 | event->data[1] == MODULE_BRINGUP_REQ) { |
Bing Zhao | 903c843 | 2010-03-03 14:37:35 -0800 | [diff] [blame] | 132 | BT_DBG("EVENT:%s", |
| 133 | ((event->data[2] == MODULE_BROUGHT_UP) || |
| 134 | (event->data[2] == MODULE_ALREADY_UP)) ? |
| 135 | "Bring-up succeed" : "Bring-up failed"); |
Bing Zhao | f120c6b | 2010-03-03 14:37:37 -0800 | [diff] [blame] | 136 | |
David Vrabel | 8f1e174 | 2010-08-09 17:38:10 -0400 | [diff] [blame] | 137 | if (event->length > 3 && event->data[3]) |
| 138 | priv->btmrvl_dev.dev_type = HCI_AMP; |
Bing Zhao | f120c6b | 2010-03-03 14:37:37 -0800 | [diff] [blame] | 139 | else |
| 140 | priv->btmrvl_dev.dev_type = HCI_BREDR; |
| 141 | |
| 142 | BT_DBG("dev_type: %d", priv->btmrvl_dev.dev_type); |
Marcel Holtmann | 4271e08 | 2009-06-09 16:00:22 +0200 | [diff] [blame] | 143 | } else if (priv->btmrvl_dev.sendcmdflag && |
| 144 | event->data[1] == MODULE_SHUTDOWN_REQ) { |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 145 | BT_DBG("EVENT:%s", (event->data[2]) ? |
| 146 | "Shutdown failed" : "Shutdown succeed"); |
| 147 | } else { |
| 148 | BT_DBG("BT_CMD_MODULE_CFG_REQ resp for APP"); |
| 149 | ret = -EINVAL; |
| 150 | } |
| 151 | break; |
| 152 | |
| 153 | case BT_EVENT_POWER_STATE: |
| 154 | if (event->data[1] == BT_PS_SLEEP) |
| 155 | adapter->ps_state = PS_SLEEP; |
| 156 | BT_DBG("EVENT:%s", |
| 157 | (adapter->ps_state) ? "PS_SLEEP" : "PS_AWAKE"); |
| 158 | break; |
| 159 | |
| 160 | default: |
| 161 | BT_DBG("Unknown Event=%d", event->data[0]); |
| 162 | ret = -EINVAL; |
| 163 | break; |
| 164 | } |
| 165 | |
| 166 | exit: |
| 167 | if (!ret) |
| 168 | kfree_skb(skb); |
| 169 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 170 | return ret; |
| 171 | } |
| 172 | EXPORT_SYMBOL_GPL(btmrvl_process_event); |
| 173 | |
Bing Zhao | 3e4543a | 2013-10-31 15:08:31 -0700 | [diff] [blame] | 174 | static int btmrvl_send_sync_cmd(struct btmrvl_private *priv, u16 opcode, |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 175 | const void *param, u8 len) |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 176 | { |
Marcel Holtmann | 4271e08 | 2009-06-09 16:00:22 +0200 | [diff] [blame] | 177 | struct sk_buff *skb; |
Amitkumar Karwar | 7d5b400 | 2013-10-01 12:19:13 -0700 | [diff] [blame] | 178 | struct hci_command_hdr *hdr; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 179 | |
Amitkumar Karwar | 7d5b400 | 2013-10-01 12:19:13 -0700 | [diff] [blame] | 180 | skb = bt_skb_alloc(HCI_COMMAND_HDR_SIZE + len, GFP_ATOMIC); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 181 | if (skb == NULL) { |
| 182 | BT_ERR("No free skb"); |
Marcel Holtmann | 9374253 | 2009-06-13 07:40:18 +0200 | [diff] [blame] | 183 | return -ENOMEM; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 184 | } |
| 185 | |
Amitkumar Karwar | 7d5b400 | 2013-10-01 12:19:13 -0700 | [diff] [blame] | 186 | hdr = (struct hci_command_hdr *)skb_put(skb, HCI_COMMAND_HDR_SIZE); |
Bing Zhao | 3e4543a | 2013-10-31 15:08:31 -0700 | [diff] [blame] | 187 | hdr->opcode = cpu_to_le16(opcode); |
Amitkumar Karwar | 7d5b400 | 2013-10-01 12:19:13 -0700 | [diff] [blame] | 188 | hdr->plen = len; |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 189 | |
| 190 | if (len) |
Amitkumar Karwar | 7d5b400 | 2013-10-01 12:19:13 -0700 | [diff] [blame] | 191 | memcpy(skb_put(skb, len), param, len); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 192 | |
| 193 | bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT; |
| 194 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 195 | skb_queue_head(&priv->adapter->tx_queue, skb); |
| 196 | |
| 197 | priv->btmrvl_dev.sendcmdflag = true; |
| 198 | |
| 199 | priv->adapter->cmd_complete = false; |
| 200 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 201 | wake_up_interruptible(&priv->main_thread.wait_q); |
| 202 | |
Marcel Holtmann | 4271e08 | 2009-06-09 16:00:22 +0200 | [diff] [blame] | 203 | if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q, |
| 204 | priv->adapter->cmd_complete, |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 205 | msecs_to_jiffies(WAIT_UNTIL_CMD_RESP))) |
| 206 | return -ETIMEDOUT; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 207 | |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 208 | return 0; |
| 209 | } |
| 210 | |
Petri Gynther | 7125df5 | 2014-04-15 13:00:00 -0700 | [diff] [blame] | 211 | int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd) |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 212 | { |
| 213 | int ret; |
| 214 | |
| 215 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_MODULE_CFG_REQ, &subcmd, 1); |
| 216 | if (ret) |
Amitkumar Karwar | 7365d47 | 2014-11-24 02:40:52 -0800 | [diff] [blame^] | 217 | BT_ERR("module_cfg_cmd(%x) failed", subcmd); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 218 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 219 | return ret; |
| 220 | } |
| 221 | EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd); |
| 222 | |
Bing Zhao | 4df82b5 | 2014-03-31 14:41:44 -0700 | [diff] [blame] | 223 | int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd) |
| 224 | { |
| 225 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; |
| 226 | int ret; |
| 227 | |
| 228 | if (!card->support_pscan_win_report) |
| 229 | return 0; |
| 230 | |
| 231 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_PSCAN_WIN_REPORT_ENABLE, |
| 232 | &subcmd, 1); |
| 233 | if (ret) |
| 234 | BT_ERR("PSCAN_WIN_REPORT_ENABLE command failed: %#x", ret); |
| 235 | |
| 236 | return ret; |
| 237 | } |
| 238 | EXPORT_SYMBOL_GPL(btmrvl_pscan_window_reporting); |
| 239 | |
Amitkumar Karwar | 2a8ff61 | 2012-04-24 16:31:40 -0700 | [diff] [blame] | 240 | int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv) |
| 241 | { |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 242 | int ret; |
| 243 | u8 param[2]; |
Amitkumar Karwar | 2a8ff61 | 2012-04-24 16:31:40 -0700 | [diff] [blame] | 244 | |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 245 | param[0] = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8; |
| 246 | param[1] = (u8) (priv->btmrvl_dev.gpio_gap & 0x00ff); |
Amitkumar Karwar | 2a8ff61 | 2012-04-24 16:31:40 -0700 | [diff] [blame] | 247 | |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 248 | BT_DBG("Sending HSCFG Command, gpio=0x%x, gap=0x%x", |
| 249 | param[0], param[1]); |
Amitkumar Karwar | 2a8ff61 | 2012-04-24 16:31:40 -0700 | [diff] [blame] | 250 | |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 251 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_CONFIG, param, 2); |
| 252 | if (ret) |
Amitkumar Karwar | 7365d47 | 2014-11-24 02:40:52 -0800 | [diff] [blame^] | 253 | BT_ERR("HSCFG command failed"); |
Amitkumar Karwar | 2a8ff61 | 2012-04-24 16:31:40 -0700 | [diff] [blame] | 254 | |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 255 | return ret; |
Amitkumar Karwar | 2a8ff61 | 2012-04-24 16:31:40 -0700 | [diff] [blame] | 256 | } |
| 257 | EXPORT_SYMBOL_GPL(btmrvl_send_hscfg_cmd); |
| 258 | |
Amitkumar Karwar | 32fd639 | 2009-09-30 11:18:30 -0700 | [diff] [blame] | 259 | int btmrvl_enable_ps(struct btmrvl_private *priv) |
| 260 | { |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 261 | int ret; |
| 262 | u8 param; |
Amitkumar Karwar | 32fd639 | 2009-09-30 11:18:30 -0700 | [diff] [blame] | 263 | |
| 264 | if (priv->btmrvl_dev.psmode) |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 265 | param = BT_PS_ENABLE; |
Amitkumar Karwar | 32fd639 | 2009-09-30 11:18:30 -0700 | [diff] [blame] | 266 | else |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 267 | param = BT_PS_DISABLE; |
Amitkumar Karwar | 32fd639 | 2009-09-30 11:18:30 -0700 | [diff] [blame] | 268 | |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 269 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_AUTO_SLEEP_MODE, ¶m, 1); |
| 270 | if (ret) |
Amitkumar Karwar | 7365d47 | 2014-11-24 02:40:52 -0800 | [diff] [blame^] | 271 | BT_ERR("PSMODE command failed"); |
Amitkumar Karwar | 32fd639 | 2009-09-30 11:18:30 -0700 | [diff] [blame] | 272 | |
| 273 | return 0; |
| 274 | } |
| 275 | EXPORT_SYMBOL_GPL(btmrvl_enable_ps); |
| 276 | |
Amitkumar Karwar | ba54a16 | 2012-04-25 11:43:54 -0700 | [diff] [blame] | 277 | int btmrvl_enable_hs(struct btmrvl_private *priv) |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 278 | { |
Chin-Ran Lo | 396e04f | 2014-07-01 14:00:14 -0700 | [diff] [blame] | 279 | struct btmrvl_adapter *adapter = priv->adapter; |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 280 | int ret; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 281 | |
Amitkumar Karwar | c037874 | 2013-10-01 12:19:12 -0700 | [diff] [blame] | 282 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_ENABLE, NULL, 0); |
Chin-Ran Lo | 396e04f | 2014-07-01 14:00:14 -0700 | [diff] [blame] | 283 | if (ret) { |
Amitkumar Karwar | 7365d47 | 2014-11-24 02:40:52 -0800 | [diff] [blame^] | 284 | BT_ERR("Host sleep enable command failed"); |
Chin-Ran Lo | 396e04f | 2014-07-01 14:00:14 -0700 | [diff] [blame] | 285 | return ret; |
| 286 | } |
| 287 | |
| 288 | ret = wait_event_interruptible_timeout(adapter->event_hs_wait_q, |
| 289 | adapter->hs_state, |
| 290 | msecs_to_jiffies(WAIT_UNTIL_HS_STATE_CHANGED)); |
| 291 | if (ret < 0) { |
| 292 | BT_ERR("event_hs_wait_q terminated (%d): %d,%d,%d", |
| 293 | ret, adapter->hs_state, adapter->ps_state, |
| 294 | adapter->wakeup_tries); |
| 295 | } else if (!ret) { |
| 296 | BT_ERR("hs_enable timeout: %d,%d,%d", adapter->hs_state, |
| 297 | adapter->ps_state, adapter->wakeup_tries); |
| 298 | ret = -ETIMEDOUT; |
| 299 | } else { |
| 300 | BT_DBG("host sleep enabled: %d,%d,%d", adapter->hs_state, |
| 301 | adapter->ps_state, adapter->wakeup_tries); |
| 302 | ret = 0; |
| 303 | } |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 304 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 305 | return ret; |
| 306 | } |
Amitkumar Karwar | ba54a16 | 2012-04-25 11:43:54 -0700 | [diff] [blame] | 307 | EXPORT_SYMBOL_GPL(btmrvl_enable_hs); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 308 | |
| 309 | int btmrvl_prepare_command(struct btmrvl_private *priv) |
| 310 | { |
Marcel Holtmann | 9374253 | 2009-06-13 07:40:18 +0200 | [diff] [blame] | 311 | int ret = 0; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 312 | |
| 313 | if (priv->btmrvl_dev.hscfgcmd) { |
| 314 | priv->btmrvl_dev.hscfgcmd = 0; |
Amitkumar Karwar | 2a8ff61 | 2012-04-24 16:31:40 -0700 | [diff] [blame] | 315 | btmrvl_send_hscfg_cmd(priv); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 316 | } |
| 317 | |
| 318 | if (priv->btmrvl_dev.pscmd) { |
| 319 | priv->btmrvl_dev.pscmd = 0; |
Amitkumar Karwar | 32fd639 | 2009-09-30 11:18:30 -0700 | [diff] [blame] | 320 | btmrvl_enable_ps(priv); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | if (priv->btmrvl_dev.hscmd) { |
| 324 | priv->btmrvl_dev.hscmd = 0; |
| 325 | |
| 326 | if (priv->btmrvl_dev.hsmode) { |
| 327 | ret = btmrvl_enable_hs(priv); |
| 328 | } else { |
| 329 | ret = priv->hw_wakeup_firmware(priv); |
| 330 | priv->adapter->hs_state = HS_DEACTIVATED; |
Amitkumar Karwar | 7365d47 | 2014-11-24 02:40:52 -0800 | [diff] [blame^] | 331 | BT_DBG("BT: HS DEACTIVATED due to host activity!"); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 332 | } |
| 333 | } |
| 334 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 335 | return ret; |
| 336 | } |
| 337 | |
| 338 | static int btmrvl_tx_pkt(struct btmrvl_private *priv, struct sk_buff *skb) |
| 339 | { |
Marcel Holtmann | 9374253 | 2009-06-13 07:40:18 +0200 | [diff] [blame] | 340 | int ret = 0; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 341 | |
Marcel Holtmann | 9374253 | 2009-06-13 07:40:18 +0200 | [diff] [blame] | 342 | if (!skb || !skb->data) |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 343 | return -EINVAL; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 344 | |
| 345 | if (!skb->len || ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) { |
| 346 | BT_ERR("Tx Error: Bad skb length %d : %d", |
Marcel Holtmann | 4271e08 | 2009-06-09 16:00:22 +0200 | [diff] [blame] | 347 | skb->len, BTM_UPLD_SIZE); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 348 | return -EINVAL; |
| 349 | } |
| 350 | |
| 351 | if (skb_headroom(skb) < BTM_HEADER_LEN) { |
| 352 | struct sk_buff *tmp = skb; |
| 353 | |
| 354 | skb = skb_realloc_headroom(skb, BTM_HEADER_LEN); |
| 355 | if (!skb) { |
| 356 | BT_ERR("Tx Error: realloc_headroom failed %d", |
| 357 | BTM_HEADER_LEN); |
| 358 | skb = tmp; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 359 | return -EINVAL; |
| 360 | } |
| 361 | |
| 362 | kfree_skb(tmp); |
| 363 | } |
| 364 | |
| 365 | skb_push(skb, BTM_HEADER_LEN); |
| 366 | |
| 367 | /* header type: byte[3] |
| 368 | * HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor |
| 369 | * header length: byte[2][1][0] |
| 370 | */ |
| 371 | |
| 372 | skb->data[0] = (skb->len & 0x0000ff); |
| 373 | skb->data[1] = (skb->len & 0x00ff00) >> 8; |
| 374 | skb->data[2] = (skb->len & 0xff0000) >> 16; |
| 375 | skb->data[3] = bt_cb(skb)->pkt_type; |
| 376 | |
| 377 | if (priv->hw_host_to_card) |
| 378 | ret = priv->hw_host_to_card(priv, skb->data, skb->len); |
| 379 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 380 | return ret; |
| 381 | } |
| 382 | |
| 383 | static void btmrvl_init_adapter(struct btmrvl_private *priv) |
| 384 | { |
Bing Zhao | 0d36740 | 2014-03-28 14:54:39 -0700 | [diff] [blame] | 385 | int buf_size; |
| 386 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 387 | skb_queue_head_init(&priv->adapter->tx_queue); |
| 388 | |
| 389 | priv->adapter->ps_state = PS_AWAKE; |
| 390 | |
Bing Zhao | 0d36740 | 2014-03-28 14:54:39 -0700 | [diff] [blame] | 391 | buf_size = ALIGN_SZ(SDIO_BLOCK_SIZE, BTSDIO_DMA_ALIGN); |
| 392 | priv->adapter->hw_regs_buf = kzalloc(buf_size, GFP_KERNEL); |
| 393 | if (!priv->adapter->hw_regs_buf) { |
| 394 | priv->adapter->hw_regs = NULL; |
| 395 | BT_ERR("Unable to allocate buffer for hw_regs."); |
| 396 | } else { |
| 397 | priv->adapter->hw_regs = |
| 398 | (u8 *)ALIGN_ADDR(priv->adapter->hw_regs_buf, |
| 399 | BTSDIO_DMA_ALIGN); |
| 400 | BT_DBG("hw_regs_buf=%p hw_regs=%p", |
| 401 | priv->adapter->hw_regs_buf, priv->adapter->hw_regs); |
| 402 | } |
| 403 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 404 | init_waitqueue_head(&priv->adapter->cmd_wait_q); |
Chin-Ran Lo | 396e04f | 2014-07-01 14:00:14 -0700 | [diff] [blame] | 405 | init_waitqueue_head(&priv->adapter->event_hs_wait_q); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 406 | } |
| 407 | |
| 408 | static void btmrvl_free_adapter(struct btmrvl_private *priv) |
| 409 | { |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 410 | skb_queue_purge(&priv->adapter->tx_queue); |
| 411 | |
Bing Zhao | 0d36740 | 2014-03-28 14:54:39 -0700 | [diff] [blame] | 412 | kfree(priv->adapter->hw_regs_buf); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 413 | kfree(priv->adapter); |
| 414 | |
| 415 | priv->adapter = NULL; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 416 | } |
| 417 | |
Marcel Holtmann | 7bd8f09 | 2013-10-11 06:19:18 -0700 | [diff] [blame] | 418 | static int btmrvl_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 419 | { |
Marcel Holtmann | 7648d28 | 2013-10-11 07:01:00 -0700 | [diff] [blame] | 420 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 421 | |
Marcel Holtmann | 9374253 | 2009-06-13 07:40:18 +0200 | [diff] [blame] | 422 | BT_DBG("type=%d, len=%d", skb->pkt_type, skb->len); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 423 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 424 | if (!test_bit(HCI_RUNNING, &hdev->flags)) { |
| 425 | BT_ERR("Failed testing HCI_RUNING, flags=%lx", hdev->flags); |
| 426 | print_hex_dump_bytes("data: ", DUMP_PREFIX_OFFSET, |
Marcel Holtmann | 4271e08 | 2009-06-09 16:00:22 +0200 | [diff] [blame] | 427 | skb->data, skb->len); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 428 | return -EBUSY; |
| 429 | } |
| 430 | |
| 431 | switch (bt_cb(skb)->pkt_type) { |
| 432 | case HCI_COMMAND_PKT: |
| 433 | hdev->stat.cmd_tx++; |
| 434 | break; |
| 435 | |
| 436 | case HCI_ACLDATA_PKT: |
| 437 | hdev->stat.acl_tx++; |
| 438 | break; |
| 439 | |
| 440 | case HCI_SCODATA_PKT: |
| 441 | hdev->stat.sco_tx++; |
| 442 | break; |
| 443 | } |
| 444 | |
| 445 | skb_queue_tail(&priv->adapter->tx_queue, skb); |
| 446 | |
| 447 | wake_up_interruptible(&priv->main_thread.wait_q); |
| 448 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 449 | return 0; |
| 450 | } |
| 451 | |
| 452 | static int btmrvl_flush(struct hci_dev *hdev) |
| 453 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 454 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 455 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 456 | skb_queue_purge(&priv->adapter->tx_queue); |
| 457 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 458 | return 0; |
| 459 | } |
| 460 | |
| 461 | static int btmrvl_close(struct hci_dev *hdev) |
| 462 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 463 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 464 | |
Marcel Holtmann | 9374253 | 2009-06-13 07:40:18 +0200 | [diff] [blame] | 465 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 466 | return 0; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 467 | |
| 468 | skb_queue_purge(&priv->adapter->tx_queue); |
| 469 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 470 | return 0; |
| 471 | } |
| 472 | |
| 473 | static int btmrvl_open(struct hci_dev *hdev) |
| 474 | { |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 475 | set_bit(HCI_RUNNING, &hdev->flags); |
| 476 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 477 | return 0; |
| 478 | } |
| 479 | |
Bing Zhao | 433a938 | 2013-11-01 15:28:24 -0700 | [diff] [blame] | 480 | static int btmrvl_download_cal_data(struct btmrvl_private *priv, |
Bing Zhao | 8a4934f | 2013-11-01 15:28:25 -0700 | [diff] [blame] | 481 | u8 *data, int len) |
Amitkumar Karwar | 2cc8689 | 2013-10-01 12:19:15 -0700 | [diff] [blame] | 482 | { |
Bing Zhao | 8a4934f | 2013-11-01 15:28:25 -0700 | [diff] [blame] | 483 | int ret; |
Amitkumar Karwar | 2cc8689 | 2013-10-01 12:19:15 -0700 | [diff] [blame] | 484 | |
| 485 | data[0] = 0x00; |
| 486 | data[1] = 0x00; |
| 487 | data[2] = 0x00; |
Bing Zhao | 8a4934f | 2013-11-01 15:28:25 -0700 | [diff] [blame] | 488 | data[3] = len; |
Amitkumar Karwar | 2cc8689 | 2013-10-01 12:19:15 -0700 | [diff] [blame] | 489 | |
| 490 | print_hex_dump_bytes("Calibration data: ", |
Bing Zhao | 8a4934f | 2013-11-01 15:28:25 -0700 | [diff] [blame] | 491 | DUMP_PREFIX_OFFSET, data, BT_CAL_HDR_LEN + len); |
Amitkumar Karwar | 2cc8689 | 2013-10-01 12:19:15 -0700 | [diff] [blame] | 492 | |
| 493 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_LOAD_CONFIG_DATA, data, |
Bing Zhao | 8a4934f | 2013-11-01 15:28:25 -0700 | [diff] [blame] | 494 | BT_CAL_HDR_LEN + len); |
Amitkumar Karwar | 2cc8689 | 2013-10-01 12:19:15 -0700 | [diff] [blame] | 495 | if (ret) |
Amitkumar Karwar | 7365d47 | 2014-11-24 02:40:52 -0800 | [diff] [blame^] | 496 | BT_ERR("Failed to download caibration data"); |
Amitkumar Karwar | 2cc8689 | 2013-10-01 12:19:15 -0700 | [diff] [blame] | 497 | |
| 498 | return 0; |
| 499 | } |
| 500 | |
Amitkumar Karwar | 025a60a | 2014-11-19 01:28:33 -0800 | [diff] [blame] | 501 | static int btmrvl_check_device_tree(struct btmrvl_private *priv) |
Amitkumar Karwar | 2cc8689 | 2013-10-01 12:19:15 -0700 | [diff] [blame] | 502 | { |
Bing Zhao | 433a938 | 2013-11-01 15:28:24 -0700 | [diff] [blame] | 503 | struct device_node *dt_node; |
Bing Zhao | 8a4934f | 2013-11-01 15:28:25 -0700 | [diff] [blame] | 504 | u8 cal_data[BT_CAL_HDR_LEN + BT_CAL_DATA_SIZE]; |
Amitkumar Karwar | 2cc8689 | 2013-10-01 12:19:15 -0700 | [diff] [blame] | 505 | int ret; |
Amitkumar Karwar | 025a60a | 2014-11-19 01:28:33 -0800 | [diff] [blame] | 506 | u32 val; |
Amitkumar Karwar | 2cc8689 | 2013-10-01 12:19:15 -0700 | [diff] [blame] | 507 | |
Amitkumar Karwar | 098ea6b | 2014-11-19 01:28:32 -0800 | [diff] [blame] | 508 | for_each_compatible_node(dt_node, NULL, "btmrvl,cfgdata") { |
Amitkumar Karwar | 025a60a | 2014-11-19 01:28:33 -0800 | [diff] [blame] | 509 | ret = of_property_read_u32(dt_node, "btmrvl,gpio-gap", &val); |
| 510 | if (!ret) |
| 511 | priv->btmrvl_dev.gpio_gap = val; |
| 512 | |
Amitkumar Karwar | 098ea6b | 2014-11-19 01:28:32 -0800 | [diff] [blame] | 513 | ret = of_property_read_u8_array(dt_node, "btmrvl,cal-data", |
| 514 | cal_data + BT_CAL_HDR_LEN, |
| 515 | BT_CAL_DATA_SIZE); |
| 516 | if (ret) |
| 517 | return ret; |
Bing Zhao | 433a938 | 2013-11-01 15:28:24 -0700 | [diff] [blame] | 518 | |
Amitkumar Karwar | 098ea6b | 2014-11-19 01:28:32 -0800 | [diff] [blame] | 519 | BT_DBG("Use cal data from device tree"); |
| 520 | ret = btmrvl_download_cal_data(priv, cal_data, |
| 521 | BT_CAL_DATA_SIZE); |
| 522 | if (ret) { |
| 523 | BT_ERR("Fail to download calibrate data"); |
| 524 | return ret; |
| 525 | } |
Amitkumar Karwar | 2cc8689 | 2013-10-01 12:19:15 -0700 | [diff] [blame] | 526 | } |
| 527 | |
| 528 | return 0; |
| 529 | } |
| 530 | |
Amitkumar Karwar | 4b24572 | 2013-10-01 12:19:14 -0700 | [diff] [blame] | 531 | static int btmrvl_setup(struct hci_dev *hdev) |
| 532 | { |
| 533 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
| 534 | |
| 535 | btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ); |
| 536 | |
Amitkumar Karwar | 025a60a | 2014-11-19 01:28:33 -0800 | [diff] [blame] | 537 | priv->btmrvl_dev.gpio_gap = 0xffff; |
| 538 | |
| 539 | btmrvl_check_device_tree(priv); |
Amitkumar Karwar | 2cc8689 | 2013-10-01 12:19:15 -0700 | [diff] [blame] | 540 | |
Bing Zhao | 4df82b5 | 2014-03-31 14:41:44 -0700 | [diff] [blame] | 541 | btmrvl_pscan_window_reporting(priv, 0x01); |
| 542 | |
Amitkumar Karwar | 4b24572 | 2013-10-01 12:19:14 -0700 | [diff] [blame] | 543 | priv->btmrvl_dev.psmode = 1; |
| 544 | btmrvl_enable_ps(priv); |
| 545 | |
Amitkumar Karwar | 4b24572 | 2013-10-01 12:19:14 -0700 | [diff] [blame] | 546 | btmrvl_send_hscfg_cmd(priv); |
| 547 | |
| 548 | return 0; |
| 549 | } |
| 550 | |
Amitkumar Karwar | 27b869f | 2014-07-18 14:47:07 -0700 | [diff] [blame] | 551 | static int btmrvl_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
| 552 | { |
| 553 | struct sk_buff *skb; |
| 554 | long ret; |
| 555 | u8 buf[8]; |
| 556 | |
| 557 | buf[0] = MRVL_VENDOR_PKT; |
| 558 | buf[1] = sizeof(bdaddr_t); |
| 559 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); |
| 560 | |
| 561 | skb = __hci_cmd_sync(hdev, BT_CMD_SET_BDADDR, sizeof(buf), buf, |
| 562 | HCI_INIT_TIMEOUT); |
| 563 | if (IS_ERR(skb)) { |
| 564 | ret = PTR_ERR(skb); |
| 565 | BT_ERR("%s: changing btmrvl device address failed (%ld)", |
| 566 | hdev->name, ret); |
| 567 | return ret; |
| 568 | } |
| 569 | kfree_skb(skb); |
| 570 | |
| 571 | return 0; |
| 572 | } |
| 573 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 574 | /* |
| 575 | * This function handles the event generated by firmware, rx data |
| 576 | * received from firmware, and tx data sent from kernel. |
| 577 | */ |
| 578 | static int btmrvl_service_main_thread(void *data) |
| 579 | { |
| 580 | struct btmrvl_thread *thread = data; |
| 581 | struct btmrvl_private *priv = thread->priv; |
| 582 | struct btmrvl_adapter *adapter = priv->adapter; |
| 583 | wait_queue_t wait; |
| 584 | struct sk_buff *skb; |
| 585 | ulong flags; |
| 586 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 587 | init_waitqueue_entry(&wait, current); |
| 588 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 589 | for (;;) { |
| 590 | add_wait_queue(&thread->wait_q, &wait); |
| 591 | |
| 592 | set_current_state(TASK_INTERRUPTIBLE); |
Daniel Drake | ea05fea | 2013-06-11 15:40:20 -0400 | [diff] [blame] | 593 | if (kthread_should_stop()) { |
| 594 | BT_DBG("main_thread: break from main thread"); |
| 595 | break; |
| 596 | } |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 597 | |
| 598 | if (adapter->wakeup_tries || |
Marcel Holtmann | 4271e08 | 2009-06-09 16:00:22 +0200 | [diff] [blame] | 599 | ((!adapter->int_count) && |
| 600 | (!priv->btmrvl_dev.tx_dnld_rdy || |
| 601 | skb_queue_empty(&adapter->tx_queue)))) { |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 602 | BT_DBG("main_thread is sleeping..."); |
| 603 | schedule(); |
| 604 | } |
| 605 | |
| 606 | set_current_state(TASK_RUNNING); |
| 607 | |
| 608 | remove_wait_queue(&thread->wait_q, &wait); |
| 609 | |
| 610 | BT_DBG("main_thread woke up"); |
| 611 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 612 | spin_lock_irqsave(&priv->driver_lock, flags); |
| 613 | if (adapter->int_count) { |
| 614 | adapter->int_count = 0; |
Amitkumar Karwar | d1d10d7 | 2010-05-27 16:38:37 -0700 | [diff] [blame] | 615 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 616 | priv->hw_process_int_status(priv); |
Marcel Holtmann | 4271e08 | 2009-06-09 16:00:22 +0200 | [diff] [blame] | 617 | } else if (adapter->ps_state == PS_SLEEP && |
| 618 | !skb_queue_empty(&adapter->tx_queue)) { |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 619 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 620 | adapter->wakeup_tries++; |
| 621 | priv->hw_wakeup_firmware(priv); |
| 622 | continue; |
Amitkumar Karwar | d1d10d7 | 2010-05-27 16:38:37 -0700 | [diff] [blame] | 623 | } else { |
| 624 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 625 | } |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 626 | |
| 627 | if (adapter->ps_state == PS_SLEEP) |
| 628 | continue; |
| 629 | |
| 630 | if (!priv->btmrvl_dev.tx_dnld_rdy) |
| 631 | continue; |
| 632 | |
| 633 | skb = skb_dequeue(&adapter->tx_queue); |
| 634 | if (skb) { |
| 635 | if (btmrvl_tx_pkt(priv, skb)) |
| 636 | priv->btmrvl_dev.hcidev->stat.err_tx++; |
| 637 | else |
Marcel Holtmann | 4271e08 | 2009-06-09 16:00:22 +0200 | [diff] [blame] | 638 | priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 639 | |
| 640 | kfree_skb(skb); |
| 641 | } |
| 642 | } |
| 643 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 644 | return 0; |
| 645 | } |
| 646 | |
Bing Zhao | 6406160 | 2010-03-03 14:37:36 -0800 | [diff] [blame] | 647 | int btmrvl_register_hdev(struct btmrvl_private *priv) |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 648 | { |
| 649 | struct hci_dev *hdev = NULL; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 650 | int ret; |
| 651 | |
Bing Zhao | 6406160 | 2010-03-03 14:37:36 -0800 | [diff] [blame] | 652 | hdev = hci_alloc_dev(); |
| 653 | if (!hdev) { |
| 654 | BT_ERR("Can not allocate HCI device"); |
| 655 | goto err_hdev; |
| 656 | } |
| 657 | |
| 658 | priv->btmrvl_dev.hcidev = hdev; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 659 | hci_set_drvdata(hdev, priv); |
Bing Zhao | 6406160 | 2010-03-03 14:37:36 -0800 | [diff] [blame] | 660 | |
Marcel Holtmann | e93ac9c | 2013-10-10 10:50:05 -0700 | [diff] [blame] | 661 | hdev->bus = HCI_SDIO; |
| 662 | hdev->open = btmrvl_open; |
Bing Zhao | 6406160 | 2010-03-03 14:37:36 -0800 | [diff] [blame] | 663 | hdev->close = btmrvl_close; |
| 664 | hdev->flush = btmrvl_flush; |
Marcel Holtmann | e93ac9c | 2013-10-10 10:50:05 -0700 | [diff] [blame] | 665 | hdev->send = btmrvl_send_frame; |
Amitkumar Karwar | 4b24572 | 2013-10-01 12:19:14 -0700 | [diff] [blame] | 666 | hdev->setup = btmrvl_setup; |
Amitkumar Karwar | 27b869f | 2014-07-18 14:47:07 -0700 | [diff] [blame] | 667 | hdev->set_bdaddr = btmrvl_set_bdaddr; |
Bing Zhao | 6406160 | 2010-03-03 14:37:36 -0800 | [diff] [blame] | 668 | |
Bing Zhao | f120c6b | 2010-03-03 14:37:37 -0800 | [diff] [blame] | 669 | hdev->dev_type = priv->btmrvl_dev.dev_type; |
| 670 | |
Bing Zhao | 6406160 | 2010-03-03 14:37:36 -0800 | [diff] [blame] | 671 | ret = hci_register_dev(hdev); |
| 672 | if (ret < 0) { |
| 673 | BT_ERR("Can not register HCI device"); |
| 674 | goto err_hci_register_dev; |
| 675 | } |
| 676 | |
| 677 | #ifdef CONFIG_DEBUG_FS |
| 678 | btmrvl_debugfs_init(hdev); |
| 679 | #endif |
| 680 | |
| 681 | return 0; |
| 682 | |
| 683 | err_hci_register_dev: |
| 684 | hci_free_dev(hdev); |
| 685 | |
| 686 | err_hdev: |
| 687 | /* Stop the thread servicing the interrupts */ |
| 688 | kthread_stop(priv->main_thread.task); |
| 689 | |
| 690 | btmrvl_free_adapter(priv); |
| 691 | kfree(priv); |
| 692 | |
| 693 | return -ENOMEM; |
| 694 | } |
| 695 | EXPORT_SYMBOL_GPL(btmrvl_register_hdev); |
| 696 | |
| 697 | struct btmrvl_private *btmrvl_add_card(void *card) |
| 698 | { |
| 699 | struct btmrvl_private *priv; |
| 700 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 701 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
| 702 | if (!priv) { |
| 703 | BT_ERR("Can not allocate priv"); |
| 704 | goto err_priv; |
| 705 | } |
| 706 | |
| 707 | priv->adapter = kzalloc(sizeof(*priv->adapter), GFP_KERNEL); |
| 708 | if (!priv->adapter) { |
| 709 | BT_ERR("Allocate buffer for btmrvl_adapter failed!"); |
| 710 | goto err_adapter; |
| 711 | } |
| 712 | |
| 713 | btmrvl_init_adapter(priv); |
| 714 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 715 | BT_DBG("Starting kthread..."); |
| 716 | priv->main_thread.priv = priv; |
| 717 | spin_lock_init(&priv->driver_lock); |
| 718 | |
| 719 | init_waitqueue_head(&priv->main_thread.wait_q); |
| 720 | priv->main_thread.task = kthread_run(btmrvl_service_main_thread, |
Marcel Holtmann | 4271e08 | 2009-06-09 16:00:22 +0200 | [diff] [blame] | 721 | &priv->main_thread, "btmrvl_main_service"); |
Anatol Pomozov | 8500d79 | 2014-07-30 15:57:03 -0700 | [diff] [blame] | 722 | if (IS_ERR(priv->main_thread.task)) |
| 723 | goto err_thread; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 724 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 725 | priv->btmrvl_dev.card = card; |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 726 | priv->btmrvl_dev.tx_dnld_rdy = true; |
| 727 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 728 | return priv; |
| 729 | |
Anatol Pomozov | 8500d79 | 2014-07-30 15:57:03 -0700 | [diff] [blame] | 730 | err_thread: |
| 731 | btmrvl_free_adapter(priv); |
| 732 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 733 | err_adapter: |
| 734 | kfree(priv); |
| 735 | |
| 736 | err_priv: |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 737 | return NULL; |
| 738 | } |
| 739 | EXPORT_SYMBOL_GPL(btmrvl_add_card); |
| 740 | |
| 741 | int btmrvl_remove_card(struct btmrvl_private *priv) |
| 742 | { |
| 743 | struct hci_dev *hdev; |
| 744 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 745 | hdev = priv->btmrvl_dev.hcidev; |
| 746 | |
| 747 | wake_up_interruptible(&priv->adapter->cmd_wait_q); |
Chin-Ran Lo | 396e04f | 2014-07-01 14:00:14 -0700 | [diff] [blame] | 748 | wake_up_interruptible(&priv->adapter->event_hs_wait_q); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 749 | |
| 750 | kthread_stop(priv->main_thread.task); |
| 751 | |
Bing Zhao | fb784f0 | 2009-06-02 14:29:37 -0700 | [diff] [blame] | 752 | #ifdef CONFIG_DEBUG_FS |
| 753 | btmrvl_debugfs_remove(hdev); |
| 754 | #endif |
| 755 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 756 | hci_unregister_dev(hdev); |
| 757 | |
| 758 | hci_free_dev(hdev); |
| 759 | |
| 760 | priv->btmrvl_dev.hcidev = NULL; |
| 761 | |
| 762 | btmrvl_free_adapter(priv); |
| 763 | |
| 764 | kfree(priv); |
| 765 | |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 766 | return 0; |
| 767 | } |
| 768 | EXPORT_SYMBOL_GPL(btmrvl_remove_card); |
| 769 | |
| 770 | MODULE_AUTHOR("Marvell International Ltd."); |
Marcel Holtmann | 9666fb3 | 2009-06-09 21:45:04 +0200 | [diff] [blame] | 771 | MODULE_DESCRIPTION("Marvell Bluetooth driver ver " VERSION); |
Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame] | 772 | MODULE_VERSION(VERSION); |
| 773 | MODULE_LICENSE("GPL v2"); |