Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * A driver for Nokia Connectivity Card DTL-1 devices |
| 4 | * |
| 5 | * Copyright (C) 2001-2002 Marcel Holtmann <marcel@holtmann.org> |
| 6 | * |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation; |
| 11 | * |
| 12 | * Software distributed under the License is distributed on an "AS |
| 13 | * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or |
| 14 | * implied. See the License for the specific language governing |
| 15 | * rights and limitations under the License. |
| 16 | * |
| 17 | * The initial developer of the original code is David A. Hinds |
| 18 | * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds |
| 19 | * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. |
| 20 | * |
| 21 | */ |
| 22 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | #include <linux/module.h> |
| 24 | |
| 25 | #include <linux/kernel.h> |
| 26 | #include <linux/init.h> |
| 27 | #include <linux/slab.h> |
| 28 | #include <linux/types.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | #include <linux/delay.h> |
| 30 | #include <linux/errno.h> |
| 31 | #include <linux/ptrace.h> |
| 32 | #include <linux/ioport.h> |
| 33 | #include <linux/spinlock.h> |
| 34 | #include <linux/moduleparam.h> |
| 35 | |
| 36 | #include <linux/skbuff.h> |
| 37 | #include <linux/string.h> |
| 38 | #include <linux/serial.h> |
| 39 | #include <linux/serial_reg.h> |
| 40 | #include <linux/bitops.h> |
| 41 | #include <asm/system.h> |
| 42 | #include <asm/io.h> |
| 43 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | #include <pcmcia/cs_types.h> |
| 45 | #include <pcmcia/cs.h> |
| 46 | #include <pcmcia/cistpl.h> |
| 47 | #include <pcmcia/ciscode.h> |
| 48 | #include <pcmcia/ds.h> |
| 49 | #include <pcmcia/cisreg.h> |
| 50 | |
| 51 | #include <net/bluetooth/bluetooth.h> |
| 52 | #include <net/bluetooth/hci_core.h> |
| 53 | |
| 54 | |
| 55 | |
| 56 | /* ======================== Module parameters ======================== */ |
| 57 | |
| 58 | |
| 59 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
| 60 | MODULE_DESCRIPTION("Bluetooth driver for Nokia Connectivity Card DTL-1"); |
| 61 | MODULE_LICENSE("GPL"); |
| 62 | |
| 63 | |
| 64 | |
| 65 | /* ======================== Local structures ======================== */ |
| 66 | |
| 67 | |
| 68 | typedef struct dtl1_info_t { |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 69 | struct pcmcia_device *p_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | dev_node_t node; |
| 71 | |
| 72 | struct hci_dev *hdev; |
| 73 | |
| 74 | spinlock_t lock; /* For serializing operations */ |
| 75 | |
| 76 | unsigned long flowmask; /* HCI flow mask */ |
| 77 | int ri_latch; |
| 78 | |
| 79 | struct sk_buff_head txq; |
| 80 | unsigned long tx_state; |
| 81 | |
| 82 | unsigned long rx_state; |
| 83 | unsigned long rx_count; |
| 84 | struct sk_buff *rx_skb; |
| 85 | } dtl1_info_t; |
| 86 | |
| 87 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 88 | static int dtl1_config(struct pcmcia_device *link); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 89 | static void dtl1_release(struct pcmcia_device *link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 91 | static void dtl1_detach(struct pcmcia_device *p_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | |
| 94 | /* Transmit states */ |
| 95 | #define XMIT_SENDING 1 |
| 96 | #define XMIT_WAKEUP 2 |
| 97 | #define XMIT_WAITING 8 |
| 98 | |
| 99 | /* Receiver States */ |
| 100 | #define RECV_WAIT_NSH 0 |
| 101 | #define RECV_WAIT_DATA 1 |
| 102 | |
| 103 | |
| 104 | typedef struct { |
| 105 | u8 type; |
| 106 | u8 zero; |
| 107 | u16 len; |
| 108 | } __attribute__ ((packed)) nsh_t; /* Nokia Specific Header */ |
| 109 | |
| 110 | #define NSHL 4 /* Nokia Specific Header Length */ |
| 111 | |
| 112 | |
| 113 | |
| 114 | /* ======================== Interrupt handling ======================== */ |
| 115 | |
| 116 | |
| 117 | static int dtl1_write(unsigned int iobase, int fifo_size, __u8 *buf, int len) |
| 118 | { |
| 119 | int actual = 0; |
| 120 | |
| 121 | /* Tx FIFO should be empty */ |
| 122 | if (!(inb(iobase + UART_LSR) & UART_LSR_THRE)) |
| 123 | return 0; |
| 124 | |
| 125 | /* Fill FIFO with current frame */ |
| 126 | while ((fifo_size-- > 0) && (actual < len)) { |
| 127 | /* Transmit next byte */ |
| 128 | outb(buf[actual], iobase + UART_TX); |
| 129 | actual++; |
| 130 | } |
| 131 | |
| 132 | return actual; |
| 133 | } |
| 134 | |
| 135 | |
| 136 | static void dtl1_write_wakeup(dtl1_info_t *info) |
| 137 | { |
| 138 | if (!info) { |
| 139 | BT_ERR("Unknown device"); |
| 140 | return; |
| 141 | } |
| 142 | |
| 143 | if (test_bit(XMIT_WAITING, &(info->tx_state))) { |
| 144 | set_bit(XMIT_WAKEUP, &(info->tx_state)); |
| 145 | return; |
| 146 | } |
| 147 | |
| 148 | if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) { |
| 149 | set_bit(XMIT_WAKEUP, &(info->tx_state)); |
| 150 | return; |
| 151 | } |
| 152 | |
| 153 | do { |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 154 | register unsigned int iobase = info->p_dev->io.BasePort1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | register struct sk_buff *skb; |
| 156 | register int len; |
| 157 | |
| 158 | clear_bit(XMIT_WAKEUP, &(info->tx_state)); |
| 159 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 160 | if (!pcmcia_dev_present(info->p_dev)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | return; |
| 162 | |
| 163 | if (!(skb = skb_dequeue(&(info->txq)))) |
| 164 | break; |
| 165 | |
| 166 | /* Send frame */ |
| 167 | len = dtl1_write(iobase, 32, skb->data, skb->len); |
| 168 | |
| 169 | if (len == skb->len) { |
| 170 | set_bit(XMIT_WAITING, &(info->tx_state)); |
| 171 | kfree_skb(skb); |
| 172 | } else { |
| 173 | skb_pull(skb, len); |
| 174 | skb_queue_head(&(info->txq), skb); |
| 175 | } |
| 176 | |
| 177 | info->hdev->stat.byte_tx += len; |
| 178 | |
| 179 | } while (test_bit(XMIT_WAKEUP, &(info->tx_state))); |
| 180 | |
| 181 | clear_bit(XMIT_SENDING, &(info->tx_state)); |
| 182 | } |
| 183 | |
| 184 | |
| 185 | static void dtl1_control(dtl1_info_t *info, struct sk_buff *skb) |
| 186 | { |
| 187 | u8 flowmask = *(u8 *)skb->data; |
| 188 | int i; |
| 189 | |
| 190 | printk(KERN_INFO "Bluetooth: Nokia control data ="); |
| 191 | for (i = 0; i < skb->len; i++) { |
| 192 | printk(" %02x", skb->data[i]); |
| 193 | } |
| 194 | printk("\n"); |
| 195 | |
| 196 | /* transition to active state */ |
| 197 | if (((info->flowmask & 0x07) == 0) && ((flowmask & 0x07) != 0)) { |
| 198 | clear_bit(XMIT_WAITING, &(info->tx_state)); |
| 199 | dtl1_write_wakeup(info); |
| 200 | } |
| 201 | |
| 202 | info->flowmask = flowmask; |
| 203 | |
| 204 | kfree_skb(skb); |
| 205 | } |
| 206 | |
| 207 | |
| 208 | static void dtl1_receive(dtl1_info_t *info) |
| 209 | { |
| 210 | unsigned int iobase; |
| 211 | nsh_t *nsh; |
| 212 | int boguscount = 0; |
| 213 | |
| 214 | if (!info) { |
| 215 | BT_ERR("Unknown device"); |
| 216 | return; |
| 217 | } |
| 218 | |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 219 | iobase = info->p_dev->io.BasePort1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | |
| 221 | do { |
| 222 | info->hdev->stat.byte_rx++; |
| 223 | |
| 224 | /* Allocate packet */ |
| 225 | if (info->rx_skb == NULL) |
| 226 | if (!(info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC))) { |
| 227 | BT_ERR("Can't allocate mem for new packet"); |
| 228 | info->rx_state = RECV_WAIT_NSH; |
| 229 | info->rx_count = NSHL; |
| 230 | return; |
| 231 | } |
| 232 | |
| 233 | *skb_put(info->rx_skb, 1) = inb(iobase + UART_RX); |
| 234 | nsh = (nsh_t *)info->rx_skb->data; |
| 235 | |
| 236 | info->rx_count--; |
| 237 | |
| 238 | if (info->rx_count == 0) { |
| 239 | |
| 240 | switch (info->rx_state) { |
| 241 | case RECV_WAIT_NSH: |
| 242 | info->rx_state = RECV_WAIT_DATA; |
| 243 | info->rx_count = nsh->len + (nsh->len & 0x0001); |
| 244 | break; |
| 245 | case RECV_WAIT_DATA: |
Marcel Holtmann | 0d48d93 | 2005-08-09 20:30:28 -0700 | [diff] [blame] | 246 | bt_cb(info->rx_skb)->pkt_type = nsh->type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | |
| 248 | /* remove PAD byte if it exists */ |
| 249 | if (nsh->len & 0x0001) { |
| 250 | info->rx_skb->tail--; |
| 251 | info->rx_skb->len--; |
| 252 | } |
| 253 | |
| 254 | /* remove NSH */ |
| 255 | skb_pull(info->rx_skb, NSHL); |
| 256 | |
Marcel Holtmann | 0d48d93 | 2005-08-09 20:30:28 -0700 | [diff] [blame] | 257 | switch (bt_cb(info->rx_skb)->pkt_type) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | case 0x80: |
| 259 | /* control data for the Nokia Card */ |
| 260 | dtl1_control(info, info->rx_skb); |
| 261 | break; |
| 262 | case 0x82: |
| 263 | case 0x83: |
| 264 | case 0x84: |
| 265 | /* send frame to the HCI layer */ |
| 266 | info->rx_skb->dev = (void *) info->hdev; |
Marcel Holtmann | 0d48d93 | 2005-08-09 20:30:28 -0700 | [diff] [blame] | 267 | bt_cb(info->rx_skb)->pkt_type &= 0x0f; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | hci_recv_frame(info->rx_skb); |
| 269 | break; |
| 270 | default: |
| 271 | /* unknown packet */ |
Marcel Holtmann | 0d48d93 | 2005-08-09 20:30:28 -0700 | [diff] [blame] | 272 | BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | kfree_skb(info->rx_skb); |
| 274 | break; |
| 275 | } |
| 276 | |
| 277 | info->rx_state = RECV_WAIT_NSH; |
| 278 | info->rx_count = NSHL; |
| 279 | info->rx_skb = NULL; |
| 280 | break; |
| 281 | } |
| 282 | |
| 283 | } |
| 284 | |
| 285 | /* Make sure we don't stay here too long */ |
| 286 | if (boguscount++ > 32) |
| 287 | break; |
| 288 | |
| 289 | } while (inb(iobase + UART_LSR) & UART_LSR_DR); |
| 290 | } |
| 291 | |
| 292 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 293 | static irqreturn_t dtl1_interrupt(int irq, void *dev_inst) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | { |
| 295 | dtl1_info_t *info = dev_inst; |
| 296 | unsigned int iobase; |
| 297 | unsigned char msr; |
| 298 | int boguscount = 0; |
| 299 | int iir, lsr; |
Alan Cox | aafcf99 | 2008-10-05 17:35:41 +0100 | [diff] [blame] | 300 | irqreturn_t r = IRQ_NONE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | |
Mike Frysinger | 7427847 | 2009-09-14 13:43:49 -0400 | [diff] [blame] | 302 | if (!info || !info->hdev) |
| 303 | /* our irq handler is shared */ |
| 304 | return IRQ_NONE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 306 | iobase = info->p_dev->io.BasePort1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | |
| 308 | spin_lock(&(info->lock)); |
| 309 | |
| 310 | iir = inb(iobase + UART_IIR) & UART_IIR_ID; |
| 311 | while (iir) { |
| 312 | |
Alan Cox | aafcf99 | 2008-10-05 17:35:41 +0100 | [diff] [blame] | 313 | r = IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | /* Clear interrupt */ |
| 315 | lsr = inb(iobase + UART_LSR); |
| 316 | |
| 317 | switch (iir) { |
| 318 | case UART_IIR_RLSI: |
| 319 | BT_ERR("RLSI"); |
| 320 | break; |
| 321 | case UART_IIR_RDI: |
| 322 | /* Receive interrupt */ |
| 323 | dtl1_receive(info); |
| 324 | break; |
| 325 | case UART_IIR_THRI: |
| 326 | if (lsr & UART_LSR_THRE) { |
| 327 | /* Transmitter ready for data */ |
| 328 | dtl1_write_wakeup(info); |
| 329 | } |
| 330 | break; |
| 331 | default: |
| 332 | BT_ERR("Unhandled IIR=%#x", iir); |
| 333 | break; |
| 334 | } |
| 335 | |
| 336 | /* Make sure we don't stay here too long */ |
| 337 | if (boguscount++ > 100) |
| 338 | break; |
| 339 | |
| 340 | iir = inb(iobase + UART_IIR) & UART_IIR_ID; |
| 341 | |
| 342 | } |
| 343 | |
| 344 | msr = inb(iobase + UART_MSR); |
| 345 | |
| 346 | if (info->ri_latch ^ (msr & UART_MSR_RI)) { |
| 347 | info->ri_latch = msr & UART_MSR_RI; |
| 348 | clear_bit(XMIT_WAITING, &(info->tx_state)); |
| 349 | dtl1_write_wakeup(info); |
Alan Cox | aafcf99 | 2008-10-05 17:35:41 +0100 | [diff] [blame] | 350 | r = IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 351 | } |
| 352 | |
| 353 | spin_unlock(&(info->lock)); |
| 354 | |
Alan Cox | aafcf99 | 2008-10-05 17:35:41 +0100 | [diff] [blame] | 355 | return r; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | |
| 359 | |
| 360 | /* ======================== HCI interface ======================== */ |
| 361 | |
| 362 | |
| 363 | static int dtl1_hci_open(struct hci_dev *hdev) |
| 364 | { |
| 365 | set_bit(HCI_RUNNING, &(hdev->flags)); |
| 366 | |
| 367 | return 0; |
| 368 | } |
| 369 | |
| 370 | |
| 371 | static int dtl1_hci_flush(struct hci_dev *hdev) |
| 372 | { |
| 373 | dtl1_info_t *info = (dtl1_info_t *)(hdev->driver_data); |
| 374 | |
| 375 | /* Drop TX queue */ |
| 376 | skb_queue_purge(&(info->txq)); |
| 377 | |
| 378 | return 0; |
| 379 | } |
| 380 | |
| 381 | |
| 382 | static int dtl1_hci_close(struct hci_dev *hdev) |
| 383 | { |
| 384 | if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags))) |
| 385 | return 0; |
| 386 | |
| 387 | dtl1_hci_flush(hdev); |
| 388 | |
| 389 | return 0; |
| 390 | } |
| 391 | |
| 392 | |
| 393 | static int dtl1_hci_send_frame(struct sk_buff *skb) |
| 394 | { |
| 395 | dtl1_info_t *info; |
| 396 | struct hci_dev *hdev = (struct hci_dev *)(skb->dev); |
| 397 | struct sk_buff *s; |
| 398 | nsh_t nsh; |
| 399 | |
| 400 | if (!hdev) { |
| 401 | BT_ERR("Frame for unknown HCI device (hdev=NULL)"); |
| 402 | return -ENODEV; |
| 403 | } |
| 404 | |
| 405 | info = (dtl1_info_t *)(hdev->driver_data); |
| 406 | |
Marcel Holtmann | 0d48d93 | 2005-08-09 20:30:28 -0700 | [diff] [blame] | 407 | switch (bt_cb(skb)->pkt_type) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | case HCI_COMMAND_PKT: |
| 409 | hdev->stat.cmd_tx++; |
| 410 | nsh.type = 0x81; |
| 411 | break; |
| 412 | case HCI_ACLDATA_PKT: |
| 413 | hdev->stat.acl_tx++; |
| 414 | nsh.type = 0x82; |
| 415 | break; |
| 416 | case HCI_SCODATA_PKT: |
| 417 | hdev->stat.sco_tx++; |
| 418 | nsh.type = 0x83; |
| 419 | break; |
Marcel Holtmann | 3c4bdc4 | 2009-06-14 15:24:44 +0200 | [diff] [blame] | 420 | default: |
| 421 | return -EILSEQ; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 422 | }; |
| 423 | |
| 424 | nsh.zero = 0; |
| 425 | nsh.len = skb->len; |
| 426 | |
| 427 | s = bt_skb_alloc(NSHL + skb->len + 1, GFP_ATOMIC); |
Jesper Juhl | 57136ca | 2006-06-26 00:24:33 -0700 | [diff] [blame] | 428 | if (!s) |
| 429 | return -ENOMEM; |
| 430 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 | skb_reserve(s, NSHL); |
Arnaldo Carvalho de Melo | d626f62 | 2007-03-27 18:55:52 -0300 | [diff] [blame] | 432 | skb_copy_from_linear_data(skb, skb_put(s, skb->len), skb->len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | if (skb->len & 0x0001) |
| 434 | *skb_put(s, 1) = 0; /* PAD */ |
| 435 | |
| 436 | /* Prepend skb with Nokia frame header and queue */ |
| 437 | memcpy(skb_push(s, NSHL), &nsh, NSHL); |
| 438 | skb_queue_tail(&(info->txq), s); |
| 439 | |
| 440 | dtl1_write_wakeup(info); |
| 441 | |
| 442 | kfree_skb(skb); |
| 443 | |
| 444 | return 0; |
| 445 | } |
| 446 | |
| 447 | |
| 448 | static void dtl1_hci_destruct(struct hci_dev *hdev) |
| 449 | { |
| 450 | } |
| 451 | |
| 452 | |
| 453 | static int dtl1_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg) |
| 454 | { |
| 455 | return -ENOIOCTLCMD; |
| 456 | } |
| 457 | |
| 458 | |
| 459 | |
| 460 | /* ======================== Card services HCI interaction ======================== */ |
| 461 | |
| 462 | |
| 463 | static int dtl1_open(dtl1_info_t *info) |
| 464 | { |
| 465 | unsigned long flags; |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 466 | unsigned int iobase = info->p_dev->io.BasePort1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 467 | struct hci_dev *hdev; |
| 468 | |
| 469 | spin_lock_init(&(info->lock)); |
| 470 | |
| 471 | skb_queue_head_init(&(info->txq)); |
| 472 | |
| 473 | info->rx_state = RECV_WAIT_NSH; |
| 474 | info->rx_count = NSHL; |
| 475 | info->rx_skb = NULL; |
| 476 | |
| 477 | set_bit(XMIT_WAITING, &(info->tx_state)); |
| 478 | |
| 479 | /* Initialize HCI device */ |
| 480 | hdev = hci_alloc_dev(); |
| 481 | if (!hdev) { |
| 482 | BT_ERR("Can't allocate HCI device"); |
| 483 | return -ENOMEM; |
| 484 | } |
| 485 | |
| 486 | info->hdev = hdev; |
| 487 | |
| 488 | hdev->type = HCI_PCCARD; |
| 489 | hdev->driver_data = info; |
Marcel Holtmann | 27d3528 | 2006-07-03 10:02:37 +0200 | [diff] [blame] | 490 | SET_HCIDEV_DEV(hdev, &info->p_dev->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | |
| 492 | hdev->open = dtl1_hci_open; |
| 493 | hdev->close = dtl1_hci_close; |
| 494 | hdev->flush = dtl1_hci_flush; |
| 495 | hdev->send = dtl1_hci_send_frame; |
| 496 | hdev->destruct = dtl1_hci_destruct; |
| 497 | hdev->ioctl = dtl1_hci_ioctl; |
| 498 | |
| 499 | hdev->owner = THIS_MODULE; |
| 500 | |
| 501 | spin_lock_irqsave(&(info->lock), flags); |
| 502 | |
| 503 | /* Reset UART */ |
| 504 | outb(0, iobase + UART_MCR); |
| 505 | |
| 506 | /* Turn off interrupts */ |
| 507 | outb(0, iobase + UART_IER); |
| 508 | |
| 509 | /* Initialize UART */ |
| 510 | outb(UART_LCR_WLEN8, iobase + UART_LCR); /* Reset DLAB */ |
| 511 | outb((UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2), iobase + UART_MCR); |
| 512 | |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 513 | info->ri_latch = inb(info->p_dev->io.BasePort1 + UART_MSR) & UART_MSR_RI; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 514 | |
| 515 | /* Turn on interrupts */ |
| 516 | outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER); |
| 517 | |
| 518 | spin_unlock_irqrestore(&(info->lock), flags); |
| 519 | |
| 520 | /* Timeout before it is safe to send the first HCI packet */ |
| 521 | msleep(2000); |
| 522 | |
| 523 | /* Register HCI device */ |
| 524 | if (hci_register_dev(hdev) < 0) { |
| 525 | BT_ERR("Can't register HCI device"); |
| 526 | info->hdev = NULL; |
| 527 | hci_free_dev(hdev); |
| 528 | return -ENODEV; |
| 529 | } |
| 530 | |
| 531 | return 0; |
| 532 | } |
| 533 | |
| 534 | |
| 535 | static int dtl1_close(dtl1_info_t *info) |
| 536 | { |
| 537 | unsigned long flags; |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 538 | unsigned int iobase = info->p_dev->io.BasePort1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | struct hci_dev *hdev = info->hdev; |
| 540 | |
| 541 | if (!hdev) |
| 542 | return -ENODEV; |
| 543 | |
| 544 | dtl1_hci_close(hdev); |
| 545 | |
| 546 | spin_lock_irqsave(&(info->lock), flags); |
| 547 | |
| 548 | /* Reset UART */ |
| 549 | outb(0, iobase + UART_MCR); |
| 550 | |
| 551 | /* Turn off interrupts */ |
| 552 | outb(0, iobase + UART_IER); |
| 553 | |
| 554 | spin_unlock_irqrestore(&(info->lock), flags); |
| 555 | |
| 556 | if (hci_unregister_dev(hdev) < 0) |
| 557 | BT_ERR("Can't unregister HCI device %s", hdev->name); |
| 558 | |
| 559 | hci_free_dev(hdev); |
| 560 | |
| 561 | return 0; |
| 562 | } |
| 563 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 564 | static int dtl1_probe(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 565 | { |
| 566 | dtl1_info_t *info; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 567 | |
| 568 | /* Create new info device */ |
Deepak Saxena | 089b1db | 2005-11-07 01:01:26 -0800 | [diff] [blame] | 569 | info = kzalloc(sizeof(*info), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 570 | if (!info) |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 571 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 572 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 573 | info->p_dev = link; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 574 | link->priv = info; |
| 575 | |
| 576 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; |
| 577 | link->io.NumPorts1 = 8; |
Dominik Brodowski | 5fa9167 | 2009-11-08 17:24:46 +0100 | [diff] [blame] | 578 | link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | |
| 580 | link->irq.Handler = dtl1_interrupt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 581 | |
| 582 | link->conf.Attributes = CONF_ENABLE_IRQ; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 583 | link->conf.IntType = INT_MEMORY_AND_IO; |
| 584 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 585 | return dtl1_config(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 586 | } |
| 587 | |
| 588 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 589 | static void dtl1_detach(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 590 | { |
| 591 | dtl1_info_t *info = link->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 592 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 593 | dtl1_release(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 594 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 595 | kfree(info); |
| 596 | } |
| 597 | |
Dominik Brodowski | ed58872 | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 598 | static int dtl1_confcheck(struct pcmcia_device *p_dev, |
| 599 | cistpl_cftable_entry_t *cf, |
Dominik Brodowski | 8e2fc39 | 2008-08-02 15:30:31 +0200 | [diff] [blame] | 600 | cistpl_cftable_entry_t *dflt, |
Dominik Brodowski | ad913c1 | 2008-08-02 16:12:00 +0200 | [diff] [blame] | 601 | unsigned int vcc, |
Dominik Brodowski | ed58872 | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 602 | void *priv_data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 603 | { |
Dominik Brodowski | ed58872 | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 604 | if ((cf->io.nwin == 1) && (cf->io.win[0].len > 8)) { |
Dominik Brodowski | ed58872 | 2008-07-29 08:38:55 +0200 | [diff] [blame] | 605 | p_dev->io.BasePort1 = cf->io.win[0].base; |
| 606 | p_dev->io.NumPorts1 = cf->io.win[0].len; /*yo */ |
| 607 | p_dev->io.IOAddrLines = cf->io.flags & CISTPL_IO_LINES_MASK; |
| 608 | if (!pcmcia_request_io(p_dev, &p_dev->io)) |
| 609 | return 0; |
| 610 | } |
| 611 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 612 | } |
| 613 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 614 | static int dtl1_config(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 616 | dtl1_info_t *info = link->priv; |
Dominik Brodowski | af2b3b5 | 2006-10-25 21:49:27 -0400 | [diff] [blame] | 617 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 619 | /* Look for a generic full-sized window */ |
| 620 | link->io.NumPorts1 = 8; |
Philipp Zabel | cb6dbd7 | 2009-02-27 17:54:08 +0100 | [diff] [blame] | 621 | if (pcmcia_loop_config(link, dtl1_confcheck, NULL) < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 622 | goto failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 623 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 624 | i = pcmcia_request_irq(link, &link->irq); |
Dominik Brodowski | 9ac3e58 | 2009-10-24 15:45:06 +0200 | [diff] [blame] | 625 | if (i != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 626 | link->irq.AssignedIRQ = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 627 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 628 | i = pcmcia_request_configuration(link, &link->conf); |
Dominik Brodowski | 9ac3e58 | 2009-10-24 15:45:06 +0200 | [diff] [blame] | 629 | if (i != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 630 | goto failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 631 | |
| 632 | if (dtl1_open(info) != 0) |
| 633 | goto failed; |
| 634 | |
| 635 | strcpy(info->node.dev_name, info->hdev->name); |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 636 | link->dev_node = &info->node; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 637 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 638 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 639 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 640 | failed: |
| 641 | dtl1_release(link); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 642 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | } |
| 644 | |
| 645 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 646 | static void dtl1_release(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 647 | { |
| 648 | dtl1_info_t *info = link->priv; |
| 649 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 650 | dtl1_close(info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 651 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 652 | pcmcia_disable_device(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 653 | } |
| 654 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | |
Dominik Brodowski | 88eca2e | 2005-06-27 16:28:39 -0700 | [diff] [blame] | 656 | static struct pcmcia_device_id dtl1_ids[] = { |
| 657 | PCMCIA_DEVICE_PROD_ID12("Nokia Mobile Phones", "DTL-1", 0xe1bfdd64, 0xe168480d), |
Marcel Holtmann | 8602b4f | 2006-10-20 08:55:34 +0200 | [diff] [blame] | 658 | PCMCIA_DEVICE_PROD_ID12("Nokia Mobile Phones", "DTL-4", 0xe1bfdd64, 0x9102bc82), |
Dominik Brodowski | 88eca2e | 2005-06-27 16:28:39 -0700 | [diff] [blame] | 659 | PCMCIA_DEVICE_PROD_ID12("Socket", "CF", 0xb38bcc2e, 0x44ebf863), |
Richard Purdie | 725a6ab | 2006-01-05 09:56:03 +0000 | [diff] [blame] | 660 | PCMCIA_DEVICE_PROD_ID12("Socket", "CF+ Personal Network Card", 0xb38bcc2e, 0xe732bae3), |
Dominik Brodowski | 88eca2e | 2005-06-27 16:28:39 -0700 | [diff] [blame] | 661 | PCMCIA_DEVICE_NULL |
| 662 | }; |
| 663 | MODULE_DEVICE_TABLE(pcmcia, dtl1_ids); |
| 664 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 665 | static struct pcmcia_driver dtl1_driver = { |
| 666 | .owner = THIS_MODULE, |
| 667 | .drv = { |
| 668 | .name = "dtl1_cs", |
| 669 | }, |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 670 | .probe = dtl1_probe, |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 671 | .remove = dtl1_detach, |
Dominik Brodowski | 88eca2e | 2005-06-27 16:28:39 -0700 | [diff] [blame] | 672 | .id_table = dtl1_ids, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 673 | }; |
| 674 | |
| 675 | static int __init init_dtl1_cs(void) |
| 676 | { |
| 677 | return pcmcia_register_driver(&dtl1_driver); |
| 678 | } |
| 679 | |
| 680 | |
| 681 | static void __exit exit_dtl1_cs(void) |
| 682 | { |
| 683 | pcmcia_unregister_driver(&dtl1_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 684 | } |
| 685 | |
| 686 | module_init(init_dtl1_cs); |
| 687 | module_exit(exit_dtl1_cs); |