diff options
Diffstat (limited to 'drivers/bluetooth/bt3c_cs.c')
| -rw-r--r-- | drivers/bluetooth/bt3c_cs.c | 259 |
1 files changed, 88 insertions, 171 deletions
diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c index 7703d6e06fd..1d82721cf9c 100644 --- a/drivers/bluetooth/bt3c_cs.c +++ b/drivers/bluetooth/bt3c_cs.c @@ -39,14 +39,11 @@ #include <linux/serial.h> #include <linux/serial_reg.h> #include <linux/bitops.h> -#include <asm/system.h> #include <asm/io.h> #include <linux/device.h> #include <linux/firmware.h> -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/ciscode.h> #include <pcmcia/ds.h> @@ -60,7 +57,7 @@ /* ======================== Module parameters ======================== */ -MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>, Jose Orlando Pereira <jop@di.uminho.pt>"); +MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); MODULE_DESCRIPTION("Bluetooth driver for the 3Com Bluetooth PCMCIA card"); MODULE_LICENSE("GPL"); MODULE_FIRMWARE("BT3CPCC.bin"); @@ -72,7 +69,6 @@ MODULE_FIRMWARE("BT3CPCC.bin"); typedef struct bt3c_info_t { struct pcmcia_device *p_dev; - dev_node_t node; struct hci_dev *hdev; @@ -190,15 +186,15 @@ static void bt3c_write_wakeup(bt3c_info_t *info) return; do { - register unsigned int iobase = info->p_dev->io.BasePort1; + unsigned int iobase = info->p_dev->resource[0]->start; register struct sk_buff *skb; - register int len; + int len; if (!pcmcia_dev_present(info->p_dev)) break; - - if (!(skb = skb_dequeue(&(info->txq)))) { + skb = skb_dequeue(&(info->txq)); + if (!skb) { clear_bit(XMIT_SENDING, &(info->tx_state)); break; } @@ -228,7 +224,7 @@ static void bt3c_receive(bt3c_info_t *info) return; } - iobase = info->p_dev->io.BasePort1; + iobase = info->p_dev->resource[0]->start; avail = bt3c_read(iobase, 0x7006); //printk("bt3c_cs: receiving %d bytes\n", avail); @@ -242,7 +238,8 @@ static void bt3c_receive(bt3c_info_t *info) 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))) { + info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); + if (!info->rx_skb) { BT_ERR("Can't allocate mem for new packet"); return; } @@ -251,7 +248,6 @@ static void bt3c_receive(bt3c_info_t *info) if (info->rx_state == RECV_WAIT_PACKET_TYPE) { - info->rx_skb->dev = (void *) info->hdev; bt_cb(info->rx_skb)->pkt_type = inb(iobase + DATA_L); inb(iobase + DATA_H); //printk("bt3c: PACKET_TYPE=%02x\n", bt_cb(info->rx_skb)->pkt_type); @@ -322,7 +318,7 @@ static void bt3c_receive(bt3c_info_t *info) break; case RECV_WAIT_DATA: - hci_recv_frame(info->rx_skb); + hci_recv_frame(info->hdev, info->rx_skb); info->rx_skb = NULL; break; @@ -343,10 +339,13 @@ static irqreturn_t bt3c_interrupt(int irq, void *dev_inst) bt3c_info_t *info = dev_inst; unsigned int iobase; int iir; + irqreturn_t r = IRQ_NONE; - BUG_ON(!info->hdev); + if (!info || !info->hdev) + /* our irq handler is shared */ + return IRQ_NONE; - iobase = info->p_dev->io.BasePort1; + iobase = info->p_dev->resource[0]->start; spin_lock(&(info->lock)); @@ -358,9 +357,9 @@ static irqreturn_t bt3c_interrupt(int irq, void *dev_inst) BT_ERR("Very strange (stat=0x%04x)", stat); } else if ((stat & 0xff) != 0xff) { if (stat & 0x0020) { - int stat = bt3c_read(iobase, 0x7002) & 0x10; + int status = bt3c_read(iobase, 0x7002) & 0x10; BT_INFO("%s: Antenna %s", info->hdev->name, - stat ? "out" : "in"); + status ? "out" : "in"); } if (stat & 0x0001) bt3c_receive(info); @@ -374,11 +373,12 @@ static irqreturn_t bt3c_interrupt(int irq, void *dev_inst) outb(iir, iobase + CONTROL); } + r = IRQ_HANDLED; } spin_unlock(&(info->lock)); - return IRQ_HANDLED; + return r; } @@ -388,7 +388,7 @@ static irqreturn_t bt3c_interrupt(int irq, void *dev_inst) static int bt3c_hci_flush(struct hci_dev *hdev) { - bt3c_info_t *info = (bt3c_info_t *)(hdev->driver_data); + bt3c_info_t *info = hci_get_drvdata(hdev); /* Drop TX queue */ skb_queue_purge(&(info->txq)); @@ -416,19 +416,11 @@ static int bt3c_hci_close(struct hci_dev *hdev) } -static int bt3c_hci_send_frame(struct sk_buff *skb) +static int bt3c_hci_send_frame(struct hci_dev *hdev, struct sk_buff *skb) { - bt3c_info_t *info; - struct hci_dev *hdev = (struct hci_dev *)(skb->dev); + bt3c_info_t *info = hci_get_drvdata(hdev); unsigned long flags; - if (!hdev) { - BT_ERR("Frame for unknown HCI device (hdev=NULL)"); - return -ENODEV; - } - - info = (bt3c_info_t *) (hdev->driver_data); - switch (bt_cb(skb)->pkt_type) { case HCI_COMMAND_PKT: hdev->stat.cmd_tx++; @@ -455,29 +447,19 @@ static int bt3c_hci_send_frame(struct sk_buff *skb) } -static void bt3c_hci_destruct(struct hci_dev *hdev) -{ -} - - -static int bt3c_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg) -{ - return -ENOIOCTLCMD; -} - - /* ======================== Card services HCI interaction ======================== */ -static int bt3c_load_firmware(bt3c_info_t *info, unsigned char *firmware, int count) +static int bt3c_load_firmware(bt3c_info_t *info, const unsigned char *firmware, + int count) { char *ptr = (char *) firmware; char b[9]; unsigned int iobase, size, addr, fcs, tmp; int i, err = 0; - iobase = info->p_dev->io.BasePort1; + iobase = info->p_dev->resource[0]->start; /* Reset */ bt3c_io_write(iobase, 0x8040, 0x0404); @@ -499,15 +481,15 @@ static int bt3c_load_firmware(bt3c_info_t *info, unsigned char *firmware, int co memset(b, 0, sizeof(b)); memcpy(b, ptr + 2, 2); - size = simple_strtol(b, NULL, 16); + size = simple_strtoul(b, NULL, 16); memset(b, 0, sizeof(b)); memcpy(b, ptr + 4, 8); - addr = simple_strtol(b, NULL, 16); + addr = simple_strtoul(b, NULL, 16); memset(b, 0, sizeof(b)); memcpy(b, ptr + (size * 2) + 2, 2); - fcs = simple_strtol(b, NULL, 16); + fcs = simple_strtoul(b, NULL, 16); memset(b, 0, sizeof(b)); for (tmp = 0, i = 0; i < size; i++) { @@ -527,7 +509,7 @@ static int bt3c_load_firmware(bt3c_info_t *info, unsigned char *firmware, int co memset(b, 0, sizeof(b)); for (i = 0; i < (size - 4) / 2; i++) { memcpy(b, ptr + (i * 4) + 12, 4); - tmp = simple_strtol(b, NULL, 16); + tmp = simple_strtoul(b, NULL, 16); bt3c_put(iobase, tmp); } } @@ -577,18 +559,14 @@ static int bt3c_open(bt3c_info_t *info) info->hdev = hdev; - hdev->type = HCI_PCCARD; - hdev->driver_data = info; + hdev->bus = HCI_PCCARD; + hci_set_drvdata(hdev, info); SET_HCIDEV_DEV(hdev, &info->p_dev->dev); - hdev->open = bt3c_hci_open; - hdev->close = bt3c_hci_close; - hdev->flush = bt3c_hci_flush; - hdev->send = bt3c_hci_send_frame; - hdev->destruct = bt3c_hci_destruct; - hdev->ioctl = bt3c_hci_ioctl; - - hdev->owner = THIS_MODULE; + hdev->open = bt3c_hci_open; + hdev->close = bt3c_hci_close; + hdev->flush = bt3c_hci_flush; + hdev->send = bt3c_hci_send_frame; /* Load firmware */ err = request_firmware(&firmware, "BT3CPCC.bin", &info->p_dev->dev); @@ -634,9 +612,7 @@ static int bt3c_close(bt3c_info_t *info) bt3c_hci_close(hdev); - if (hci_unregister_dev(hdev) < 0) - BT_ERR("Can't unregister HCI device %s", hdev->name); - + hci_unregister_dev(hdev); hci_free_dev(hdev); return 0; @@ -647,23 +623,15 @@ static int bt3c_probe(struct pcmcia_device *link) bt3c_info_t *info; /* Create new info device */ - info = kzalloc(sizeof(*info), GFP_KERNEL); + info = devm_kzalloc(&link->dev, 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_EXCLUSIVE | IRQ_HANDLE_PRESENT; - link->irq.IRQInfo1 = IRQ_LEVEL_ID; - - link->irq.Handler = bt3c_interrupt; - link->irq.Instance = info; - - link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.IntType = INT_MEMORY_AND_IO; + link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP | + CONF_AUTO_SET_IO; return bt3c_config(link); } @@ -671,117 +639,81 @@ static int bt3c_probe(struct pcmcia_device *link) static void bt3c_detach(struct pcmcia_device *link) { - bt3c_info_t *info = link->priv; - bt3c_release(link); - kfree(info); } -static int get_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse) +static int bt3c_check_config(struct pcmcia_device *p_dev, void *priv_data) { - int i; + int *try = priv_data; - i = pcmcia_get_tuple_data(handle, tuple); - if (i != CS_SUCCESS) - return i; + if (!try) + p_dev->io_lines = 16; - return pcmcia_parse_tuple(handle, tuple, parse); -} + if ((p_dev->resource[0]->end != 8) || (p_dev->resource[0]->start == 0)) + return -EINVAL; -static int first_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse) -{ - if (pcmcia_get_first_tuple(handle, tuple) != CS_SUCCESS) - return CS_NO_MORE_ITEMS; - return get_tuple(handle, tuple, parse); + p_dev->resource[0]->end = 8; + p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; + p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8; + + return pcmcia_request_io(p_dev); } -static int next_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse) +static int bt3c_check_config_notpicky(struct pcmcia_device *p_dev, + void *priv_data) { - if (pcmcia_get_next_tuple(handle, tuple) != CS_SUCCESS) - return CS_NO_MORE_ITEMS; - return get_tuple(handle, tuple, parse); + static unsigned int base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 }; + int j; + + if (p_dev->io_lines > 3) + return -ENODEV; + + p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; + p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8; + p_dev->resource[0]->end = 8; + + for (j = 0; j < 5; j++) { + p_dev->resource[0]->start = base[j]; + p_dev->io_lines = base[j] ? 16 : 3; + if (!pcmcia_request_io(p_dev)) + return 0; + } + return -ENODEV; } static int bt3c_config(struct pcmcia_device *link) { - static unsigned int base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 }; bt3c_info_t *info = link->priv; - tuple_t tuple; - u_short buf[256]; - cisparse_t parse; - cistpl_cftable_entry_t *cf = &parse.cftable_entry; - int i, j, try; - - /* First pass: look for a config entry that looks normal. */ - tuple.TupleData = (cisdata_t *)buf; - tuple.TupleOffset = 0; - tuple.TupleDataMax = 255; - tuple.Attributes = 0; - tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - /* Two tries: without IO aliases, then with aliases */ - for (try = 0; try < 2; try++) { - i = first_tuple(link, &tuple, &parse); - while (i != CS_NO_MORE_ITEMS) { - if (i != CS_SUCCESS) - goto next_entry; - if (cf->vpp1.present & (1 << CISTPL_POWER_VNOM)) - link->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)) { - link->conf.ConfigIndex = cf->index; - link->io.BasePort1 = cf->io.win[0].base; - link->io.IOAddrLines = (try == 0) ? 16 : cf->io.flags & CISTPL_IO_LINES_MASK; - i = pcmcia_request_io(link, &link->io); - if (i == CS_SUCCESS) - goto found_port; - } -next_entry: - i = next_tuple(link, &tuple, &parse); - } - } + int i; + unsigned long 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, bt3c_check_config, (void *) 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. */ - i = first_tuple(link, &tuple, &parse); - while (i != CS_NO_MORE_ITEMS) { - if ((i == CS_SUCCESS) && (cf->io.nwin > 0) && ((cf->io.flags & CISTPL_IO_LINES_MASK) <= 3)) { - link->conf.ConfigIndex = cf->index; - for (j = 0; j < 5; j++) { - link->io.BasePort1 = base[j]; - link->io.IOAddrLines = base[j] ? 16 : 3; - i = pcmcia_request_io(link, &link->io); - if (i == CS_SUCCESS) - goto found_port; - } - } - i = next_tuple(link, &tuple, &parse); - } + if (!pcmcia_loop_config(link, bt3c_check_config_notpicky, NULL)) + goto found_port; + + BT_ERR("No usable port range found"); + goto failed; found_port: - if (i != CS_SUCCESS) { - BT_ERR("No usable port range found"); - cs_error(link, RequestIO, i); + i = pcmcia_request_irq(link, &bt3c_interrupt); + if (i != 0) goto failed; - } - - i = pcmcia_request_irq(link, &link->irq); - if (i != CS_SUCCESS) { - cs_error(link, RequestIRQ, i); - link->irq.AssignedIRQ = 0; - } - i = pcmcia_request_configuration(link, &link->conf); - if (i != CS_SUCCESS) { - cs_error(link, RequestConfiguration, i); + i = pcmcia_enable_device(link); + if (i != 0) goto failed; - } if (bt3c_open(info) != 0) goto failed; - strcpy(info->node.dev_name, info->hdev->name); - link->dev_node = &info->node; - return 0; failed: @@ -800,7 +732,7 @@ static void bt3c_release(struct pcmcia_device *link) } -static struct pcmcia_device_id bt3c_ids[] = { +static const struct pcmcia_device_id bt3c_ids[] = { PCMCIA_DEVICE_PROD_ID13("3COM", "Bluetooth PC Card", 0xefce0a31, 0xd4ce9b02), PCMCIA_DEVICE_NULL }; @@ -808,24 +740,9 @@ MODULE_DEVICE_TABLE(pcmcia, bt3c_ids); static struct pcmcia_driver bt3c_driver = { .owner = THIS_MODULE, - .drv = { - .name = "bt3c_cs", - }, + .name = "bt3c_cs", .probe = bt3c_probe, .remove = bt3c_detach, .id_table = bt3c_ids, }; - -static int __init init_bt3c_cs(void) -{ - return pcmcia_register_driver(&bt3c_driver); -} - - -static void __exit exit_bt3c_cs(void) -{ - pcmcia_unregister_driver(&bt3c_driver); -} - -module_init(init_bt3c_cs); -module_exit(exit_bt3c_cs); +module_pcmcia_driver(bt3c_driver); |
