/* * * Driver for Bluetooth PCMCIA cards with HCI UART interface * * Copyright (C) 2001-2002 Marcel Holtmann * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation; * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The initial developer of the original code is David A. Hinds * . Portions created by David A. Hinds * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* ======================== Module parameters ======================== */ MODULE_AUTHOR("Marcel Holtmann "); MODULE_DESCRIPTION("Bluetooth driver for Bluetooth PCMCIA cards with HCI UART interface"); MODULE_LICENSE("GPL"); /* ======================== Local structures ======================== */ typedef struct btuart_info_t { struct pcmcia_device *p_dev; dev_node_t node; struct hci_dev *hdev; spinlock_t lock; /* For serializing operations */ struct sk_buff_head txq; unsigned long tx_state; unsigned long rx_state; unsigned long rx_count; struct sk_buff *rx_skb; } btuart_info_t; static int btuart_config(struct pcmcia_device *link); static void btuart_release(struct pcmcia_device *link); static void btuart_detach(struct pcmcia_device *p_dev); /* Maximum baud rate */ #define SPEED_MAX 115200 /* Default baud rate: 57600, 115200, 230400 or 460800 */ #define DEFAULT_BAUD_RATE 115200 /* Transmit states */ #define XMIT_SENDING 1 #define XMIT_WAKEUP 2 #define XMIT_WAITING 8 /* Receiver states */ #define RECV_WAIT_PACKET_TYPE 0 #define RECV_WAIT_EVENT_HEADER 1 #define RECV_WAIT_ACL_HEADER 2 #define RECV_WAIT_SCO_HEADER 3 #define RECV_WAIT_DATA 4 /* ======================== Interrupt handling ======================== */ static int btuart_write(unsigned int iobase, int fifo_size, __u8 *buf, int len) { int actual = 0; /* Tx FIFO should be empty */ if (!(inb(iobase + UART_LSR) & UART_LSR_THRE)) return 0; /* Fill FIFO with current frame */ while ((fifo_size-- > 0) && (actual < len)) { /* Transmit next byte */ outb(buf[actual], iobase + UART_TX); actual++; } return actual; } static void btuart_write_wakeup(btuart_info_t *info) { if (!info) { BT_ERR("Unknown device"); return; } if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) { set_bit(XMIT_WAKEUP, &(info->tx_state)); return; } do { register unsigned int iobase = info->p_dev->io.BasePort1; register struct sk_buff *skb; register int len; clear_bit(XMIT_WAKEUP, &(info->tx_state)); if (!pcmcia_dev_present(info->p_dev)) return; if (!(skb = skb_dequeue(&(info->txq)))) break; /* Send frame */ len = btuart_write(iobase, 16, skb->data, skb->len); set_bit(XMIT_WAKEUP, &(info->tx_state)); if (len == skb->len) { kfree_skb(skb); } else { skb_pull(skb, len); skb_queue_head(&(info->txq), skb); } info->hdev->stat.byte_tx += len; } while (test_bit(XMIT_WAKEUP, &(info->tx_state))); clear_bit(XMIT_SENDING, &(info->tx_state)); } static void btuart_receive(btuart_info_t *info) { unsigned int iobase; int boguscount = 0; if (!info) { BT_ERR("Unknown device"); return; } iobase = info->p_dev->io.BasePort1; do { info->hdev->stat.byte_rx++; /* Allocate packet */ if (info->rx_skb == NULL) { info->rx_state = RECV_WAIT_PACKET_TYPE; info->rx_count = 0; if (!(info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC))) { BT_ERR("Can't allocate mem for new packet"); return; } } if (info->rx_state == RECV_WAIT_PACKET_TYPE) { info->rx_skb->dev = (void *) info->hdev; bt_cb(info->rx_skb)->pkt_type = inb(iobase + UART_RX); switch (bt_cb(info->rx_skb)->pkt_type) { case HCI_EVENT_PKT: info->rx_state = RECV_WAIT_EVENT_HEADER; info->rx_count = HCI_EVENT_HDR_SIZE; break; case HCI_ACLDATA_PKT: info->rx_state = RECV_WAIT_ACL_HEADER; info->rx_count = HCI_ACL_HDR_SIZE; break; case HCI_SCODATA_PKT: info->rx_state = RECV_WAIT_SCO_HEADER; info->rx_count = HCI_SCO_HDR_SIZE; break; default: /* Unknown packet */ BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type); info->hdev->stat.err_rx++; clear_bit(HCI_RUNNING, &(info->hdev->flags)); kfree_skb(info->rx_skb); info->rx_skb = NULL; break; } } else { *skb_put(info->rx_skb, 1) = inb(iobase + UART_RX); info->rx_count--; if (info->rx_count == 0) { int dlen; struct hci_event_hdr *eh; struct hci_acl_hdr *ah; struct hci_sco_hdr *sh; switch (info->rx_state) { case RECV_WAIT_EVENT_HEADER: eh = hci_event_hdr(info->rx_skb); info->rx_state = RECV_WAIT_DATA; info->rx_count = eh->plen; break; case RECV_WAIT_ACL_HEADER: ah = hci_acl_hdr(info->rx_skb); dlen = __le16_to_cpu(ah->dlen); info->rx_state = RECV_WAIT_DATA; info->rx_count = dlen; break; case RECV_WAIT_SCO_HEADER: sh = hci_sco_hdr(info->rx_skb); info->rx_state = RECV_WAIT_DATA; info->rx_count = sh->dlen; break; case RECV_WAIT_DATA: hci_recv_frame(info->rx_skb); info->rx_skb = NULL; break; } } } /* Make sure we don't stay here too long */ if (boguscount++ > 16) break; } while (inb(iobase + UART_LSR) & UART_LSR_DR); } static irqreturn_t btuart_interrupt(int irq, void *dev_inst) { btuart_info_t *info = dev_inst; unsigned int iobase; int boguscount = 0; int iir, lsr; irqreturn_t r = IRQ_NONE; BUG_ON(!info->hdev); iobase = info->p_dev->io.BasePort1; spin_lock(&(info->lock)); iir = inb(iobase + UART_IIR) & UART_IIR_ID; while (iir) { r = IRQ_HANDLED; /* Clear interrupt */ lsr = inb(iobase + UART_LSR); switch (iir) { case UART_IIR_RLSI: BT_ERR("RLSI"); break; case UART_IIR_RDI: /* Receive interrupt */ btuart_receive(info); break; case UART_IIR_THRI: if (lsr & UART_LSR_THRE) { /* Transmitter ready for data */ btuart_write_wakeup(info); } break; default: BT_ERR("Unhandled IIR=%#x", iir); break; } /* Make sure we don't stay here too long */ if (boguscount++ > 100) break; iir = inb(iobase + UART_IIR) & UART_IIR_ID; } spin_unlock(&(info->lock)); return r; } static void btuart_change_speed(btuart_info_t *info, unsigned int speed) { unsigned long flags; unsigned int iobase; int fcr; /* FIFO control reg */ int lcr; /* Line control reg */ int divisor; if (!info) { BT_ERR("Unknown device"); return; } iobase = info->p_dev->io.BasePort1; spin_lock_irqsave(&(info->lock), flags); /* Turn off interrupts */ outb(0, iobase + UART_IER); divisor = SPEED_MAX / speed; fcr = UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT; /* * Use trigger level 1 to avoid 3 ms. timeout delay at 9600 bps, and * almost 1,7 ms at 19200 bps. At speeds above that we can just forget * about this timeout since it will always be fast enough. */ if (speed < 38400) fcr |= UART_FCR_TRIGGER_1; else fcr |= UART_FCR_TRIGGER_14; /* Bluetooth cards use 8N1 */ lcr = UART_LCR_WLEN8; outb(UART_LCR_DLAB | lcr, iobase + UART_LCR); /* Set DLAB */ outb(divisor & 0xff, iobase + UART_DLL); /* Set speed */ outb(divisor >> 8, iobase + UART_DLM); outb(lcr, iobase + UART_LCR); /* Set 8N1 */ outb(fcr, iobase + UART_FCR); /* Enable FIFO's */ /* Turn on interrupts */ outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER); spin_unlock_irqrestore(&(info->lock), flags); } /* ======================== HCI interface ======================== */ static int btuart_hci_flush(struct hci_dev *hdev) { btuart_info_t *info = (btuart_info_t *)(hdev->driver_data); /* Drop TX queue */ skb_queue_purge(&(info->txq)); return 0; } static int btuart_hci_open(struct hci_dev *hdev) { set_bit(HCI_RUNNING, &(hdev->flags)); return 0; } static int btuart_hci_close(struct hci_dev *hdev) { if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags))) return 0; btuart_hci_flush(hdev); return 0; } static int btuart_hci_send_frame(struct sk_buff *skb) { btuart_info_t *info; struct hci_dev *hdev = (struct hci_dev *)(skb->dev); if (!hdev) { BT_ERR("Frame for unknown HCI device (hdev=NULL)"); return -ENODEV; } info = (btuart_info_t *)(hdev->driver_data); switch (bt_cb(skb)->pkt_type) { case HCI_COMMAND_PKT: hdev->stat.cmd_tx++; break; case HCI_ACLDATA_PKT: hdev->stat.acl_tx++; break; case HCI_SCODATA_PKT: hdev->stat.sco_tx++; break; }; /* Prepend skb with frame type */ memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1); skb_queue_tail(&(info->txq), skb); btuart_write_wakeup(info); return 0; } static void btuart_hci_destruct(struct hci_dev *hdev) { } static int btuart_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg) { return -ENOIOCTLCMD; } /* ======================== Card services HCI interaction ======================== */ static int btuart_open(btuart_info_t *info) { unsigned long flags; unsigned int iobase = info->p_dev->io.BasePort1; struct hci_dev *hdev; spin_lock_init(&(info->lock)); skb_queue_head_init(&(info->txq)); info->rx_state = RECV_WAIT_PACKET_TYPE; info->rx_count = 0; info->rx_skb = NULL; /* Initialize HCI device */ hdev = hci_alloc_dev(); if (!hdev) { BT_ERR("Can't allocate HCI device"); return -ENOMEM; } info->hdev = hdev; hdev->type = HCI_PCCARD; hdev->driver_data = info; SET_HCIDEV_DEV(hdev, &info->p_dev->dev); hdev->open = btuart_hci_open; hdev->close = btuart_hci_close; hdev->flush = btuart_hci_flush; hdev->send = btuart_hci_send_frame; hdev->destruct = btuart_hci_destruct; hdev->ioctl = btuart_hci_ioctl; hdev->owner = THIS_MODULE; spin_lock_irqsave(&(info->lock), flags); /* Reset UART */ outb(0, iobase + UART_MCR); /* Turn off interrupts */ outb(0, iobase + UART_IER); /* Initialize UART */ outb(UART_LCR_WLEN8, iobase + UART_LCR); /* Reset DLAB */ outb((UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2), iobase + UART_MCR); /* Turn on interrupts */ // outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER); spin_unlock_irqrestore(&(info->lock), flags); btuart_change_speed(info, DEFAULT_BAUD_RATE); /* Timeout before it is safe to send the first HCI packet */ msleep(1000); /* Register HCI device */ if (hci_register_dev(hdev) < 0) { BT_ERR("Can't register HCI device"); info->hdev = NULL; hci_free_dev(hdev); return -ENODEV; } return 0; } static int btuart_close(btuart_info_t *info) { unsigned long flags; unsigned int iobase = info->p_dev->io.BasePort1; struct hci_dev *hdev = info->hdev; if (!hdev) return -ENODEV; btuart_hci_close(hdev); spin_lock_irqsave(&(info->lock), flags); /* Reset UART */ outb(0, iobase + UART_MCR); /* Turn off interrupts */ outb(0, iobase + UART_IER); spin_unlock_irqrestore(&(info->lock), flags); if (hci_unregister_dev(hdev) < 0) BT_ERR("Can't unregister HCI device %s", hdev->name); hci_free_dev(hdev); return 0; } static int btuart_probe(struct pcmcia_device *link) { btuart_info_t *info; /* Create new info device */ info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; info->p_dev = link; link->priv = info; link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; link->io.NumPorts1 = 8; link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->irq.Handler = btuart_interrupt; link->irq.Instance = info; link->conf.Attributes = CONF_ENABLE_IRQ; link->conf.IntType = INT_MEMORY_AND_IO; return btuart_config(link); } static void btuart_detach(struct pcmcia_device *link) { btuart_info_t *info = link->priv; btuart_release(link); kfree(info); } static int btuart_check_config(struct pcmcia_device *p_dev, cistpl_cftable_entry_t *cf, cistpl_cftable_entry_t *dflt, unsigned int vcc, void *priv_data) { int *try = priv_data; if (cf->vpp1.present & (1 << CISTPL_POWER_VNOM)) p_dev->conf.Vpp = cf->vpp1.param[CISTPL_POWER_VNOM] / 10000; if ((cf->io.nwin > 0) && (cf->io.win[0].len == 8) && (cf->io.win[0].base != 0)) { p_dev->io.BasePort1 = cf->io.win[0].base; p_dev->io.IOAddrLines = (*try == 0) ? 16 : cf->io.flags & CISTPL_IO_LINES_MASK; if (!pcmcia_request_io(p_dev, &p_dev->io)) return 0; } return -ENODEV; } static int btuart_check_config_notpicky(struct pcmcia_device *p_dev, cistpl_cftable_entry_t *cf, cistpl_cftable_entry_t *dflt, unsigned int vcc, void *priv_data) { static unsigned int base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 }; int j; if ((cf->io.nwin > 0) && ((cf->io.flags & CISTPL_IO_LINES_MASK) <= 3)) { for (j = 0; j < 5; j++) { p_dev->io.BasePort1 = base[j]; p_dev->io.IOAddrLines = base[j] ? 16 : 3; if (!pcmcia_request_io(p_dev, &p_dev->io)) return 0; } } return -ENODEV; } static int btuart_config(struct pcmcia_device *link) { btuart_info_t *info = link->priv; int i; int try; /* First pass: look for a config entry that looks normal. Two tries: without IO aliases, then with aliases */ for (try = 0; try < 2; try++) if (!pcmcia_loop_config(link, btuart_check_config, &try)) goto found_port; /* Second pass: try to find an entry that isn't picky about its base address, then try to grab any standard serial port address, and finally try to get any free port. */ if (!pcmcia_loop_config(link, btuart_check_config_notpicky, NULL)) goto found_port; BT_ERR("No usable port range found"); cs_error(link, RequestIO, -ENODEV); goto failed; found_port: i = pcmcia_request_irq(link, &link->irq); if (i != 0) { cs_error(link, RequestIRQ, i); link->irq.AssignedIRQ = 0; } i = pcmcia_request_configuration(link, &link->conf); if (i != 0) { cs_error(link, RequestConfiguration, i); goto failed; } if (btuart_open(info) != 0) goto failed; strcpy(info->node.dev_name, info->hdev->name); link->dev_node = &info->node; return 0; failed: btuart_release(link); return -ENODEV; } static void btuart_release(struct pcmcia_device *link) { btuart_info_t *info = link->priv; btuart_close(info); pcmcia_disable_device(link); } static struct pcmcia_device_id btuart_ids[] = { /* don't use this driver. Use serial_cs + hci_uart instead */ PCMCIA_DEVICE_NULL }; MODULE_DEVICE_TABLE(pcmcia, btuart_ids); static struct pcmcia_driver btuart_driver = { .owner = THIS_MODULE, .drv = { .name = "btuart_cs", }, .probe = btuart_probe, .remove = btuart_detach, .id_table = btuart_ids, }; static int __init init_btuart_cs(void) { return pcmcia_register_driver(&btuart_driver); } static void __exit exit_btuart_cs(void) { pcmcia_unregister_driver(&btuart_driver); } module_init(init_btuart_cs); module_exit(exit_btuart_cs); ue='libreoffice-7-0-1'>libreoffice-7-0-1 Unnamed repository; edit this file to name it for gitweb.root
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2019-10-09update translations for 6.2.8 rc2libreoffice-6-2-8Christian Lohmaier14-79/+62
2019-09-24update translations for 6.2.8 rc1Christian Lohmaier92-2096/+2091
2019-08-28update translations for 6.2.7Christian Lohmaier48-639/+609
2019-08-08update translations for 6.2.6 rc2Christian Lohmaier24-175/+162
2019-07-26update translations for 6.2.6 rc1Christian Lohmaier177-2270/+2273
2019-06-26update translations for 6.2.5 rc2Christian Lohmaier96-1161/+1175
2019-06-11update translations for 6.2.5 rc1cp-6.2-branch-pointChristian Lohmaier129-1486/+1502
2019-05-17update translations for 6.2.4 rc2Christian Lohmaier110-3528/+3532
2019-05-03update translations for 6.2.4 rc1Christian Lohmaier1285-95067/+87685
2019-04-09update translations for 6.2.3 rc2Christian Lohmaier24-694/+685
2019-03-29update translations for 6.2.3 rc1Christian Lohmaier102-2740/+2408
2019-03-15update translations for 6.2.2 rc2Christian Lohmaier158-6375/+8841
2019-03-04update templates for 6.2.2 rc1Christian Lohmaier165-12902/+12904
2019-02-24update translations for 6.2.1 rc2Christian Lohmaier203-10179/+9756
2019-02-11update translations for 6.2.1 rc1Christian Lohmaier1080-57369/+56386
2019-02-11Updated Slovenian translationAndras Timar20-356/+355
2019-01-23update translations for 6.2.0 rc3Christian Lohmaier480-15971/+16060
2019-01-14Updated Slovenian translationAndras Timar27-204/+213
2019-01-08update translations for 6.2.0 rc2Christian Lohmaier1455-29408/+24748
2019-01-02Updated Slovenian translationMartin Srebotnjak13-198/+142
2018-12-19update translations for 6.2.0 rc1Christian Lohmaier2447-308790/+318726
2018-12-19Updated Slovenian translationAndras Timar5-66/+68
2018-12-18Updated Slovenian translationAndras Timar17-911/+812
2018-12-09Updated Slovenian translationAndras Timar18-934/+959
2018-11-27Updated Slovenian translationAndras Timar44-38615/+38995
2018-11-17final update of translations for 6.2.0 beta1Christian Lohmaier715-130641/+153468
2018-11-16Galician: remove duplicated string that breaks help creationChristian Lohmaier1-8/+0
2018-11-15update translations for 6.2.0 beta1Christian Lohmaier1386-35012/+35227
2018-11-15Updated Slovenian translationAndras Timar29-735/+913
2018-11-14Updated Slovenian translationAndras Timar43-12487/+13062
2018-11-13update translations for masterChristian Lohmaier3869-1514831/+1542918
2018-10-27update translations for masterlibreoffice-6-2-branch-pointChristian Lohmaier350-7245/+6707
2018-10-22update translations for 6.2.0 alpha1Christian Lohmaier3024-444366/+665057
2018-10-21Updated Slovenian translationAndras Timar65-18606/+13514
2018-10-03update translations for masterChristian Lohmaier5223-1108119/+690681
2018-08-03update translations for masterChristian Lohmaier