diff options
Diffstat (limited to 'drivers/bluetooth/bluecard_cs.c')
| -rw-r--r-- | drivers/bluetooth/bluecard_cs.c | 306 |
1 files changed, 81 insertions, 225 deletions
diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c index 9888bc15175..dfa5043e68b 100644 --- a/drivers/bluetooth/bluecard_cs.c +++ b/drivers/bluetooth/bluecard_cs.c @@ -20,7 +20,6 @@ * */ -#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> @@ -38,10 +37,8 @@ #include <linux/wait.h> #include <linux/skbuff.h> -#include <asm/io.h> +#include <linux/io.h> -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/ciscode.h> #include <pcmcia/ds.h> @@ -65,8 +62,7 @@ MODULE_LICENSE("GPL"); typedef struct bluecard_info_t { - dev_link_t link; - dev_node_t node; + struct pcmcia_device *p_dev; struct hci_dev *hdev; @@ -85,8 +81,8 @@ typedef struct bluecard_info_t { } bluecard_info_t; -static void bluecard_config(dev_link_t *link); -static void bluecard_release(dev_link_t *link); +static int bluecard_config(struct pcmcia_device *link); +static void bluecard_release(struct pcmcia_device *link); static void bluecard_detach(struct pcmcia_device *p_dev); @@ -162,7 +158,7 @@ static void bluecard_detach(struct pcmcia_device *p_dev); static void bluecard_activity_led_timeout(u_long arg) { bluecard_info_t *info = (bluecard_info_t *)arg; - unsigned int iobase = info->link.io.BasePort1; + unsigned int iobase = info->p_dev->resource[0]->start; if (!test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state))) return; @@ -179,7 +175,7 @@ static void bluecard_activity_led_timeout(u_long arg) static void bluecard_enable_activity_led(bluecard_info_t *info) { - unsigned int iobase = info->link.io.BasePort1; + unsigned int iobase = info->p_dev->resource[0]->start; if (!test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state))) return; @@ -235,16 +231,16 @@ static void bluecard_write_wakeup(bluecard_info_t *info) } do { - register unsigned int iobase = info->link.io.BasePort1; - register unsigned int offset; - register unsigned char command; - register unsigned long ready_bit; + unsigned int iobase = info->p_dev->resource[0]->start; + unsigned int offset; + unsigned char command; + unsigned long ready_bit; register struct sk_buff *skb; - register int len; + int len; clear_bit(XMIT_WAKEUP, &(info->tx_state)); - if (!(info->link.state & DEV_PRESENT)) + if (!pcmcia_dev_present(info->p_dev)) return; if (test_bit(XMIT_BUFFER_NUMBER, &(info->tx_state))) { @@ -261,7 +257,8 @@ static void bluecard_write_wakeup(bluecard_info_t *info) ready_bit = XMIT_BUF_ONE_READY; } - if (!(skb = skb_dequeue(&(info->txq)))) + skb = skb_dequeue(&(info->txq)); + if (!skb) break; if (bt_cb(skb)->pkt_type & 0x80) { @@ -283,7 +280,7 @@ static void bluecard_write_wakeup(bluecard_info_t *info) clear_bit(ready_bit, &(info->tx_state)); if (bt_cb(skb)->pkt_type & 0x80) { - DECLARE_WAIT_QUEUE_HEAD(wq); + DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wq); DEFINE_WAIT(wait); unsigned char baud_reg; @@ -382,7 +379,7 @@ static void bluecard_receive(bluecard_info_t *info, unsigned int offset) return; } - iobase = info->link.io.BasePort1; + iobase = info->p_dev->resource[0]->start; if (test_bit(XMIT_SENDING_READY, &(info->tx_state))) bluecard_enable_activity_led(info); @@ -395,7 +392,8 @@ static void bluecard_receive(bluecard_info_t *info, unsigned int offset) 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; } @@ -403,7 +401,6 @@ static void bluecard_receive(bluecard_info_t *info, unsigned int offset) if (info->rx_state == RECV_WAIT_PACKET_TYPE) { - info->rx_skb->dev = (void *) info->hdev; bt_cb(info->rx_skb)->pkt_type = buf[i]; switch (bt_cb(info->rx_skb)->pkt_type) { @@ -462,26 +459,26 @@ static void bluecard_receive(bluecard_info_t *info, unsigned int offset) switch (info->rx_state) { case RECV_WAIT_EVENT_HEADER: - eh = (struct hci_event_hdr *)(info->rx_skb->data); + 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 = (struct hci_acl_hdr *)(info->rx_skb->data); + 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 = (struct hci_sco_hdr *)(info->rx_skb->data); + 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); + hci_recv_frame(info->hdev, info->rx_skb); info->rx_skb = NULL; break; @@ -498,21 +495,20 @@ static void bluecard_receive(bluecard_info_t *info, unsigned int offset) } -static irqreturn_t bluecard_interrupt(int irq, void *dev_inst, struct pt_regs *regs) +static irqreturn_t bluecard_interrupt(int irq, void *dev_inst) { bluecard_info_t *info = dev_inst; unsigned int iobase; unsigned char reg; - if (!info || !info->hdev) { - BT_ERR("Call of irq %d for unknown device", irq); + if (!info || !info->hdev) + /* our irq handler is shared */ return IRQ_NONE; - } if (!test_bit(CARD_READY, &(info->hw_state))) return IRQ_HANDLED; - iobase = info->link.io.BasePort1; + iobase = info->p_dev->resource[0]->start; spin_lock(&(info->lock)); @@ -566,13 +562,14 @@ static irqreturn_t bluecard_interrupt(int irq, void *dev_inst, struct pt_regs *r static int bluecard_hci_set_baud_rate(struct hci_dev *hdev, int baud) { - bluecard_info_t *info = (bluecard_info_t *)(hdev->driver_data); + bluecard_info_t *info = hci_get_drvdata(hdev); struct sk_buff *skb; /* Ericsson baud rate command */ unsigned char cmd[] = { HCI_COMMAND_PKT, 0x09, 0xfc, 0x01, 0x03 }; - if (!(skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC))) { + skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); + if (!skb) { BT_ERR("Can't allocate mem for new packet"); return -1; } @@ -614,7 +611,7 @@ static int bluecard_hci_set_baud_rate(struct hci_dev *hdev, int baud) static int bluecard_hci_flush(struct hci_dev *hdev) { - bluecard_info_t *info = (bluecard_info_t *)(hdev->driver_data); + bluecard_info_t *info = hci_get_drvdata(hdev); /* Drop TX queue */ skb_queue_purge(&(info->txq)); @@ -625,8 +622,7 @@ static int bluecard_hci_flush(struct hci_dev *hdev) static int bluecard_hci_open(struct hci_dev *hdev) { - bluecard_info_t *info = (bluecard_info_t *)(hdev->driver_data); - unsigned int iobase = info->link.io.BasePort1; + bluecard_info_t *info = hci_get_drvdata(hdev); if (test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state))) bluecard_hci_set_baud_rate(hdev, DEFAULT_BAUD_RATE); @@ -635,6 +631,8 @@ static int bluecard_hci_open(struct hci_dev *hdev) return 0; if (test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state))) { + unsigned int iobase = info->p_dev->resource[0]->start; + /* Enable LED */ outb(0x08 | 0x20, iobase + 0x30); } @@ -645,8 +643,7 @@ static int bluecard_hci_open(struct hci_dev *hdev) static int bluecard_hci_close(struct hci_dev *hdev) { - bluecard_info_t *info = (bluecard_info_t *)(hdev->driver_data); - unsigned int iobase = info->link.io.BasePort1; + bluecard_info_t *info = hci_get_drvdata(hdev); if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags))) return 0; @@ -654,6 +651,8 @@ static int bluecard_hci_close(struct hci_dev *hdev) bluecard_hci_flush(hdev); if (test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state))) { + unsigned int iobase = info->p_dev->resource[0]->start; + /* Disable LED */ outb(0x00, iobase + 0x30); } @@ -662,17 +661,9 @@ static int bluecard_hci_close(struct hci_dev *hdev) } -static int bluecard_hci_send_frame(struct sk_buff *skb) +static int bluecard_hci_send_frame(struct hci_dev *hdev, struct sk_buff *skb) { - bluecard_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 = (bluecard_info_t *)(hdev->driver_data); + bluecard_info_t *info = hci_get_drvdata(hdev); switch (bt_cb(skb)->pkt_type) { case HCI_COMMAND_PKT: @@ -684,7 +675,7 @@ static int bluecard_hci_send_frame(struct sk_buff *skb) 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); @@ -696,24 +687,13 @@ static int bluecard_hci_send_frame(struct sk_buff *skb) } -static void bluecard_hci_destruct(struct hci_dev *hdev) -{ -} - - -static int bluecard_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg) -{ - return -ENOIOCTLCMD; -} - - /* ======================== Card services HCI interaction ======================== */ static int bluecard_open(bluecard_info_t *info) { - unsigned int iobase = info->link.io.BasePort1; + unsigned int iobase = info->p_dev->resource[0]->start; struct hci_dev *hdev; unsigned char id; @@ -738,17 +718,14 @@ static int bluecard_open(bluecard_info_t *info) info->hdev = hdev; - hdev->type = HCI_PCCARD; - hdev->driver_data = info; - - hdev->open = bluecard_hci_open; - hdev->close = bluecard_hci_close; - hdev->flush = bluecard_hci_flush; - hdev->send = bluecard_hci_send_frame; - hdev->destruct = bluecard_hci_destruct; - hdev->ioctl = bluecard_hci_ioctl; + hdev->bus = HCI_PCCARD; + hci_set_drvdata(hdev, info); + SET_HCIDEV_DEV(hdev, &info->p_dev->dev); - hdev->owner = THIS_MODULE; + hdev->open = bluecard_hci_open; + hdev->close = bluecard_hci_close; + hdev->flush = bluecard_hci_flush; + hdev->send = bluecard_hci_send_frame; id = inb(iobase + 0x30); @@ -831,7 +808,7 @@ static int bluecard_open(bluecard_info_t *info) static int bluecard_close(bluecard_info_t *info) { - unsigned int iobase = info->link.io.BasePort1; + unsigned int iobase = info->p_dev->resource[0]->start; struct hci_dev *hdev = info->hdev; if (!hdev) @@ -848,192 +825,88 @@ static int bluecard_close(bluecard_info_t *info) /* Turn FPGA off */ outb(0x80, iobase + 0x30); - 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; } -static int bluecard_attach(struct pcmcia_device *p_dev) +static int bluecard_probe(struct pcmcia_device *link) { bluecard_info_t *info; - dev_link_t *link; /* Create new info device */ - info = kzalloc(sizeof(*info), GFP_KERNEL); + info = devm_kzalloc(&link->dev, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; - link = &info->link; + 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 = bluecard_interrupt; - link->irq.Instance = info; + link->config_flags |= CONF_ENABLE_IRQ; - link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.Vcc = 50; - link->conf.IntType = INT_MEMORY_AND_IO; - - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - bluecard_config(link); - - return 0; + return bluecard_config(link); } -static void bluecard_detach(struct pcmcia_device *p_dev) +static void bluecard_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); - bluecard_info_t *info = link->priv; - - if (link->state & DEV_CONFIG) - bluecard_release(link); - - kfree(info); + bluecard_release(link); } -static int first_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse) +static int bluecard_config(struct pcmcia_device *link) { - int i; - - i = pcmcia_get_first_tuple(handle, tuple); - if (i != CS_SUCCESS) - return CS_NO_MORE_ITEMS; - - i = pcmcia_get_tuple_data(handle, tuple); - if (i != CS_SUCCESS) - return i; - - return pcmcia_parse_tuple(handle, tuple, parse); -} - -static void bluecard_config(dev_link_t *link) -{ - client_handle_t handle = link->handle; bluecard_info_t *info = link->priv; - tuple_t tuple; - u_short buf[256]; - cisparse_t parse; - config_info_t config; - int i, n, last_ret, last_fn; - - tuple.TupleData = (cisdata_t *)buf; - tuple.TupleOffset = 0; - tuple.TupleDataMax = 255; - tuple.Attributes = 0; - - /* Get configuration register information */ - tuple.DesiredTuple = CISTPL_CONFIG; - last_ret = first_tuple(handle, &tuple, &parse); - if (last_ret != CS_SUCCESS) { - last_fn = ParseTuple; - goto cs_failed; - } - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; + int i, n; - /* Configure card */ - link->state |= DEV_CONFIG; - i = pcmcia_get_configuration_info(handle, &config); - link->conf.Vcc = config.Vcc; + link->config_index = 0x20; - link->conf.ConfigIndex = 0x20; - link->io.NumPorts1 = 64; - link->io.IOAddrLines = 6; + link->resource[0]->flags |= IO_DATA_PATH_WIDTH_8; + link->resource[0]->end = 64; + link->io_lines = 6; for (n = 0; n < 0x400; n += 0x40) { - link->io.BasePort1 = n ^ 0x300; - i = pcmcia_request_io(link->handle, &link->io); - if (i == CS_SUCCESS) + link->resource[0]->start = n ^ 0x300; + i = pcmcia_request_io(link); + if (i == 0) break; } - if (i != CS_SUCCESS) { - cs_error(link->handle, RequestIO, i); + if (i != 0) goto failed; - } - i = pcmcia_request_irq(link->handle, &link->irq); - if (i != CS_SUCCESS) { - cs_error(link->handle, RequestIRQ, i); - link->irq.AssignedIRQ = 0; - } + i = pcmcia_request_irq(link, bluecard_interrupt); + if (i != 0) + goto failed; - i = pcmcia_request_configuration(link->handle, &link->conf); - if (i != CS_SUCCESS) { - cs_error(link->handle, RequestConfiguration, i); + i = pcmcia_enable_device(link); + if (i != 0) goto failed; - } if (bluecard_open(info) != 0) goto failed; - strcpy(info->node.dev_name, info->hdev->name); - link->dev = &info->node; - link->state &= ~DEV_CONFIG_PENDING; - - return; - -cs_failed: - cs_error(link->handle, last_fn, last_ret); + return 0; failed: bluecard_release(link); + return -ENODEV; } -static void bluecard_release(dev_link_t *link) +static void bluecard_release(struct pcmcia_device *link) { bluecard_info_t *info = link->priv; - if (link->state & DEV_PRESENT) - bluecard_close(info); - - del_timer(&(info->timer)); - - link->dev = NULL; - - pcmcia_release_configuration(link->handle); - pcmcia_release_io(link->handle, &link->io); - pcmcia_release_irq(link->handle, &link->irq); - - link->state &= ~DEV_CONFIG; -} - -static int bluecard_suspend(struct pcmcia_device *dev) -{ - dev_link_t *link = dev_to_instance(dev); - - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); - - return 0; -} - -static int bluecard_resume(struct pcmcia_device *dev) -{ - dev_link_t *link = dev_to_instance(dev); + bluecard_close(info); - link->state &= ~DEV_SUSPEND; - if (DEV_OK(link)) - pcmcia_request_configuration(link->handle, &link->conf); + del_timer_sync(&(info->timer)); - return 0; + pcmcia_disable_device(link); } -static struct pcmcia_device_id bluecard_ids[] = { +static const struct pcmcia_device_id bluecard_ids[] = { PCMCIA_DEVICE_PROD_ID12("BlueCard", "LSE041", 0xbaf16fbf, 0x657cc15e), PCMCIA_DEVICE_PROD_ID12("BTCFCARD", "LSE139", 0xe3987764, 0x2524b59c), PCMCIA_DEVICE_PROD_ID12("WSS", "LSE039", 0x0a0736ec, 0x24e6dfab), @@ -1043,26 +916,9 @@ MODULE_DEVICE_TABLE(pcmcia, bluecard_ids); static struct pcmcia_driver bluecard_driver = { .owner = THIS_MODULE, - .drv = { - .name = "bluecard_cs", - }, - .probe = bluecard_attach, + .name = "bluecard_cs", + .probe = bluecard_probe, .remove = bluecard_detach, .id_table = bluecard_ids, - .suspend = bluecard_suspend, - .resume = bluecard_resume, }; - -static int __init init_bluecard_cs(void) -{ - return pcmcia_register_driver(&bluecard_driver); -} - - -static void __exit exit_bluecard_cs(void) -{ - pcmcia_unregister_driver(&bluecard_driver); -} - -module_init(init_bluecard_cs); -module_exit(exit_bluecard_cs); +module_pcmcia_driver(bluecard_driver); 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