Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * FILE NAME |
| 3 | * drivers/pcmcia/vrc4173_cardu.c |
| 4 | * |
| 5 | * BRIEF MODULE DESCRIPTION |
| 6 | * NEC VRC4173 CARDU driver for Socket Services |
| 7 | * (This device doesn't support CardBus. it is supporting only 16bit PC Card.) |
| 8 | * |
Yoichi Yuasa | ada8e95 | 2009-07-03 00:39:38 +0900 | [diff] [blame] | 9 | * Copyright 2002,2003 Yoichi Yuasa <yuasa@linux-mips.org> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify it |
| 12 | * under the terms of the GNU General Public License as published by the |
| 13 | * Free Software Foundation; either version 2 of the License, or (at your |
| 14 | * option) any later version. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 21 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| 22 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
| 24 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| 25 | * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | * |
| 27 | * You should have received a copy of the GNU General Public License along |
| 28 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 29 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
| 30 | */ |
| 31 | #include <linux/init.h> |
| 32 | #include <linux/module.h> |
| 33 | #include <linux/pci.h> |
| 34 | #include <linux/spinlock.h> |
| 35 | #include <linux/types.h> |
| 36 | |
| 37 | #include <asm/io.h> |
| 38 | |
| 39 | #include <pcmcia/ss.h> |
| 40 | |
| 41 | #include "vrc4173_cardu.h" |
| 42 | |
| 43 | MODULE_DESCRIPTION("NEC VRC4173 CARDU driver for Socket Services"); |
Yoichi Yuasa | ada8e95 | 2009-07-03 00:39:38 +0900 | [diff] [blame] | 44 | MODULE_AUTHOR("Yoichi Yuasa <yuasa@linux-mips.org>"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | MODULE_LICENSE("GPL"); |
| 46 | |
| 47 | static int vrc4173_cardu_slots; |
| 48 | |
| 49 | static vrc4173_socket_t cardu_sockets[CARDU_MAX_SOCKETS]; |
| 50 | |
| 51 | extern struct socket_info_t *pcmcia_register_socket (int slot, |
| 52 | struct pccard_operations *vtable, |
| 53 | int use_bus_pm); |
| 54 | extern void pcmcia_unregister_socket(struct socket_info_t *s); |
| 55 | |
| 56 | static inline uint8_t exca_readb(vrc4173_socket_t *socket, uint16_t offset) |
| 57 | { |
| 58 | return readb(socket->base + EXCA_REGS_BASE + offset); |
| 59 | } |
| 60 | |
| 61 | static inline uint16_t exca_readw(vrc4173_socket_t *socket, uint16_t offset) |
| 62 | { |
| 63 | uint16_t val; |
| 64 | |
| 65 | val = readb(socket->base + EXCA_REGS_BASE + offset); |
| 66 | val |= (u16)readb(socket->base + EXCA_REGS_BASE + offset + 1) << 8; |
| 67 | |
| 68 | return val; |
| 69 | } |
| 70 | |
| 71 | static inline void exca_writeb(vrc4173_socket_t *socket, uint16_t offset, uint8_t val) |
| 72 | { |
| 73 | writeb(val, socket->base + EXCA_REGS_BASE + offset); |
| 74 | } |
| 75 | |
| 76 | static inline void exca_writew(vrc4173_socket_t *socket, uint8_t offset, uint16_t val) |
| 77 | { |
| 78 | writeb((u8)val, socket->base + EXCA_REGS_BASE + offset); |
| 79 | writeb((u8)(val >> 8), socket->base + EXCA_REGS_BASE + offset + 1); |
| 80 | } |
| 81 | |
| 82 | static inline uint32_t cardbus_socket_readl(vrc4173_socket_t *socket, u16 offset) |
| 83 | { |
| 84 | return readl(socket->base + CARDBUS_SOCKET_REGS_BASE + offset); |
| 85 | } |
| 86 | |
| 87 | static inline void cardbus_socket_writel(vrc4173_socket_t *socket, u16 offset, uint32_t val) |
| 88 | { |
| 89 | writel(val, socket->base + CARDBUS_SOCKET_REGS_BASE + offset); |
| 90 | } |
| 91 | |
| 92 | static void cardu_pciregs_init(struct pci_dev *dev) |
| 93 | { |
| 94 | u32 syscnt; |
| 95 | u16 brgcnt; |
| 96 | u8 devcnt; |
| 97 | |
| 98 | pci_write_config_dword(dev, 0x1c, 0x10000000); |
| 99 | pci_write_config_dword(dev, 0x20, 0x17fff000); |
| 100 | pci_write_config_dword(dev, 0x2c, 0); |
| 101 | pci_write_config_dword(dev, 0x30, 0xfffc); |
| 102 | |
| 103 | pci_read_config_word(dev, BRGCNT, &brgcnt); |
| 104 | brgcnt &= ~IREQ_INT; |
| 105 | pci_write_config_word(dev, BRGCNT, brgcnt); |
| 106 | |
| 107 | pci_read_config_dword(dev, SYSCNT, &syscnt); |
| 108 | syscnt &= ~(BAD_VCC_REQ_DISB|PCPCI_EN|CH_ASSIGN_MASK|SUB_ID_WR_EN|PCI_CLK_RIN); |
| 109 | syscnt |= (CH_ASSIGN_NODMA|ASYN_INT_MODE); |
| 110 | pci_write_config_dword(dev, SYSCNT, syscnt); |
| 111 | |
| 112 | pci_read_config_byte(dev, DEVCNT, &devcnt); |
| 113 | devcnt &= ~(ZOOM_VIDEO_EN|SR_PCI_INT_SEL_MASK|PCI_INT_MODE|IRQ_MODE); |
| 114 | devcnt |= (SR_PCI_INT_SEL_NONE|IFG); |
| 115 | pci_write_config_byte(dev, DEVCNT, devcnt); |
| 116 | |
| 117 | pci_write_config_byte(dev, CHIPCNT, S_PREF_DISB); |
| 118 | |
| 119 | pci_write_config_byte(dev, SERRDIS, 0); |
| 120 | } |
| 121 | |
| 122 | static int cardu_init(unsigned int slot) |
| 123 | { |
| 124 | vrc4173_socket_t *socket = &cardu_sockets[slot]; |
| 125 | |
| 126 | cardu_pciregs_init(socket->dev); |
| 127 | |
| 128 | /* CARD_SC bits are cleared by reading CARD_SC. */ |
| 129 | exca_writeb(socket, GLO_CNT, 0); |
| 130 | |
| 131 | socket->cap.features |= SS_CAP_PCCARD | SS_CAP_PAGE_REGS; |
| 132 | socket->cap.irq_mask = 0; |
| 133 | socket->cap.map_size = 0x1000; |
| 134 | socket->cap.pci_irq = socket->dev->irq; |
| 135 | socket->events = 0; |
| 136 | spin_lock_init(socket->event_lock); |
| 137 | |
| 138 | /* Enable PC Card status interrupts */ |
| 139 | exca_writeb(socket, CARD_SCI, CARD_DT_EN|RDY_EN|BAT_WAR_EN|BAT_DEAD_EN); |
| 140 | |
| 141 | return 0; |
| 142 | } |
| 143 | |
| 144 | static int cardu_register_callback(unsigned int sock, |
| 145 | void (*handler)(void *, unsigned int), |
| 146 | void * info) |
| 147 | { |
| 148 | vrc4173_socket_t *socket = &cardu_sockets[sock]; |
| 149 | |
| 150 | socket->handler = handler; |
| 151 | socket->info = info; |
| 152 | |
| 153 | return 0; |
| 154 | } |
| 155 | |
| 156 | static int cardu_inquire_socket(unsigned int sock, socket_cap_t *cap) |
| 157 | { |
| 158 | vrc4173_socket_t *socket = &cardu_sockets[sock]; |
| 159 | |
| 160 | *cap = socket->cap; |
| 161 | |
| 162 | return 0; |
| 163 | } |
| 164 | |
| 165 | static int cardu_get_status(unsigned int sock, u_int *value) |
| 166 | { |
| 167 | vrc4173_socket_t *socket = &cardu_sockets[sock]; |
| 168 | uint32_t state; |
| 169 | uint8_t status; |
| 170 | u_int val = 0; |
| 171 | |
| 172 | status = exca_readb(socket, IF_STATUS); |
| 173 | if (status & CARD_PWR) val |= SS_POWERON; |
| 174 | if (status & READY) val |= SS_READY; |
| 175 | if (status & CARD_WP) val |= SS_WRPROT; |
| 176 | if ((status & (CARD_DETECT1|CARD_DETECT2)) == (CARD_DETECT1|CARD_DETECT2)) |
| 177 | val |= SS_DETECT; |
| 178 | if (exca_readb(socket, INT_GEN_CNT) & CARD_TYPE_IO) { |
| 179 | if (status & STSCHG) val |= SS_STSCHG; |
| 180 | } else { |
| 181 | status &= BV_DETECT_MASK; |
| 182 | if (status != BV_DETECT_GOOD) { |
| 183 | if (status == BV_DETECT_WARN) val |= SS_BATWARN; |
| 184 | else val |= SS_BATDEAD; |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | state = cardbus_socket_readl(socket, SKT_PRE_STATE); |
| 189 | if (state & VOL_3V_CARD_DT) val |= SS_3VCARD; |
| 190 | if (state & VOL_XV_CARD_DT) val |= SS_XVCARD; |
| 191 | if (state & CB_CARD_DT) val |= SS_CARDBUS; |
| 192 | if (!(state & |
| 193 | (VOL_YV_CARD_DT|VOL_XV_CARD_DT|VOL_3V_CARD_DT|VOL_5V_CARD_DT|CCD20|CCD10))) |
| 194 | val |= SS_PENDING; |
| 195 | |
| 196 | *value = val; |
| 197 | |
| 198 | return 0; |
| 199 | } |
| 200 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | static inline uint8_t set_Vcc_value(u_char Vcc) |
| 202 | { |
| 203 | switch (Vcc) { |
| 204 | case 33: |
| 205 | return VCC_3V; |
| 206 | case 50: |
| 207 | return VCC_5V; |
| 208 | } |
| 209 | |
| 210 | return VCC_0V; |
| 211 | } |
| 212 | |
| 213 | static inline uint8_t set_Vpp_value(u_char Vpp) |
| 214 | { |
| 215 | switch (Vpp) { |
| 216 | case 33: |
| 217 | case 50: |
| 218 | return VPP_VCC; |
| 219 | case 120: |
| 220 | return VPP_12V; |
| 221 | } |
| 222 | |
| 223 | return VPP_0V; |
| 224 | } |
| 225 | |
| 226 | static int cardu_set_socket(unsigned int sock, socket_state_t *state) |
| 227 | { |
| 228 | vrc4173_socket_t *socket = &cardu_sockets[sock]; |
| 229 | uint8_t val; |
| 230 | |
| 231 | if (((state->Vpp == 33) || (state->Vpp == 50)) && (state->Vpp != state->Vcc)) |
| 232 | return -EINVAL; |
| 233 | |
| 234 | val = set_Vcc_value(state->Vcc); |
| 235 | val |= set_Vpp_value(state->Vpp); |
| 236 | if (state->flags & SS_OUTPUT_ENA) val |= CARD_OUT_EN; |
| 237 | exca_writeb(socket, PWR_CNT, val); |
| 238 | |
| 239 | val = exca_readb(socket, INT_GEN_CNT) & CARD_REST0; |
| 240 | if (state->flags & SS_RESET) val &= ~CARD_REST0; |
| 241 | else val |= CARD_REST0; |
| 242 | if (state->flags & SS_IOCARD) val |= CARD_TYPE_IO; |
| 243 | exca_writeb(socket, INT_GEN_CNT, val); |
| 244 | |
| 245 | return 0; |
| 246 | } |
| 247 | |
| 248 | static int cardu_get_io_map(unsigned int sock, struct pccard_io_map *io) |
| 249 | { |
| 250 | vrc4173_socket_t *socket = &cardu_sockets[sock]; |
| 251 | uint8_t ioctl, window; |
| 252 | u_char map; |
| 253 | |
| 254 | map = io->map; |
| 255 | if (map > 1) |
| 256 | return -EINVAL; |
| 257 | |
| 258 | io->start = exca_readw(socket, IO_WIN_SA(map)); |
| 259 | io->stop = exca_readw(socket, IO_WIN_EA(map)); |
| 260 | |
| 261 | ioctl = exca_readb(socket, IO_WIN_CNT); |
| 262 | window = exca_readb(socket, ADR_WIN_EN); |
| 263 | io->flags = (window & IO_WIN_EN(map)) ? MAP_ACTIVE : 0; |
| 264 | if (ioctl & IO_WIN_DATA_AUTOSZ(map)) |
| 265 | io->flags |= MAP_AUTOSZ; |
| 266 | else if (ioctl & IO_WIN_DATA_16BIT(map)) |
| 267 | io->flags |= MAP_16BIT; |
| 268 | |
| 269 | return 0; |
| 270 | } |
| 271 | |
| 272 | static int cardu_set_io_map(unsigned int sock, struct pccard_io_map *io) |
| 273 | { |
| 274 | vrc4173_socket_t *socket = &cardu_sockets[sock]; |
| 275 | uint16_t ioctl; |
| 276 | uint8_t window, enable; |
| 277 | u_char map; |
| 278 | |
| 279 | map = io->map; |
| 280 | if (map > 1) |
| 281 | return -EINVAL; |
| 282 | |
| 283 | window = exca_readb(socket, ADR_WIN_EN); |
| 284 | enable = IO_WIN_EN(map); |
| 285 | |
| 286 | if (window & enable) { |
| 287 | window &= ~enable; |
| 288 | exca_writeb(socket, ADR_WIN_EN, window); |
| 289 | } |
| 290 | |
| 291 | exca_writew(socket, IO_WIN_SA(map), io->start); |
| 292 | exca_writew(socket, IO_WIN_EA(map), io->stop); |
| 293 | |
| 294 | ioctl = exca_readb(socket, IO_WIN_CNT) & ~IO_WIN_CNT_MASK(map); |
| 295 | if (io->flags & MAP_AUTOSZ) ioctl |= IO_WIN_DATA_AUTOSZ(map); |
| 296 | else if (io->flags & MAP_16BIT) ioctl |= IO_WIN_DATA_16BIT(map); |
| 297 | exca_writeb(socket, IO_WIN_CNT, ioctl); |
| 298 | |
| 299 | if (io->flags & MAP_ACTIVE) |
| 300 | exca_writeb(socket, ADR_WIN_EN, window | enable); |
| 301 | |
| 302 | return 0; |
| 303 | } |
| 304 | |
| 305 | static int cardu_get_mem_map(unsigned int sock, struct pccard_mem_map *mem) |
| 306 | { |
| 307 | vrc4173_socket_t *socket = &cardu_sockets[sock]; |
| 308 | uint32_t start, stop, offset, page; |
| 309 | uint8_t window; |
| 310 | u_char map; |
| 311 | |
| 312 | map = mem->map; |
| 313 | if (map > 4) |
| 314 | return -EINVAL; |
| 315 | |
| 316 | window = exca_readb(socket, ADR_WIN_EN); |
| 317 | mem->flags = (window & MEM_WIN_EN(map)) ? MAP_ACTIVE : 0; |
| 318 | |
| 319 | start = exca_readw(socket, MEM_WIN_SA(map)); |
| 320 | mem->flags |= (start & MEM_WIN_DSIZE) ? MAP_16BIT : 0; |
| 321 | start = (start & 0x0fff) << 12; |
| 322 | |
| 323 | stop = exca_readw(socket, MEM_WIN_EA(map)); |
| 324 | stop = ((stop & 0x0fff) << 12) + 0x0fff; |
| 325 | |
| 326 | offset = exca_readw(socket, MEM_WIN_OA(map)); |
| 327 | mem->flags |= (offset & MEM_WIN_WP) ? MAP_WRPROT : 0; |
| 328 | mem->flags |= (offset & MEM_WIN_REGSET) ? MAP_ATTRIB : 0; |
| 329 | offset = ((offset & 0x3fff) << 12) + start; |
| 330 | mem->card_start = offset & 0x03ffffff; |
| 331 | |
| 332 | page = exca_readb(socket, MEM_WIN_SAU(map)) << 24; |
| 333 | mem->sys_start = start + page; |
| 334 | mem->sys_stop = start + page; |
| 335 | |
| 336 | return 0; |
| 337 | } |
| 338 | |
| 339 | static int cardu_set_mem_map(unsigned int sock, struct pccard_mem_map *mem) |
| 340 | { |
| 341 | vrc4173_socket_t *socket = &cardu_sockets[sock]; |
| 342 | uint16_t value; |
| 343 | uint8_t window, enable; |
| 344 | u_long sys_start, sys_stop, card_start; |
| 345 | u_char map; |
| 346 | |
| 347 | map = mem->map; |
| 348 | sys_start = mem->sys_start; |
| 349 | sys_stop = mem->sys_stop; |
| 350 | card_start = mem->card_start; |
| 351 | |
| 352 | if (map > 4 || sys_start > sys_stop || ((sys_start ^ sys_stop) >> 24) || |
| 353 | (card_start >> 26)) |
| 354 | return -EINVAL; |
| 355 | |
| 356 | window = exca_readb(socket, ADR_WIN_EN); |
| 357 | enable = MEM_WIN_EN(map); |
| 358 | if (window & enable) { |
| 359 | window &= ~enable; |
| 360 | exca_writeb(socket, ADR_WIN_EN, window); |
| 361 | } |
| 362 | |
| 363 | exca_writeb(socket, MEM_WIN_SAU(map), sys_start >> 24); |
| 364 | |
| 365 | value = (sys_start >> 12) & 0x0fff; |
| 366 | if (mem->flags & MAP_16BIT) value |= MEM_WIN_DSIZE; |
| 367 | exca_writew(socket, MEM_WIN_SA(map), value); |
| 368 | |
| 369 | value = (sys_stop >> 12) & 0x0fff; |
| 370 | exca_writew(socket, MEM_WIN_EA(map), value); |
| 371 | |
| 372 | value = ((card_start - sys_start) >> 12) & 0x3fff; |
| 373 | if (mem->flags & MAP_WRPROT) value |= MEM_WIN_WP; |
| 374 | if (mem->flags & MAP_ATTRIB) value |= MEM_WIN_REGSET; |
| 375 | exca_writew(socket, MEM_WIN_OA(map), value); |
| 376 | |
| 377 | if (mem->flags & MAP_ACTIVE) |
| 378 | exca_writeb(socket, ADR_WIN_EN, window | enable); |
| 379 | |
| 380 | return 0; |
| 381 | } |
| 382 | |
| 383 | static void cardu_proc_setup(unsigned int sock, struct proc_dir_entry *base) |
| 384 | { |
| 385 | } |
| 386 | |
| 387 | static struct pccard_operations cardu_operations = { |
| 388 | .init = cardu_init, |
| 389 | .register_callback = cardu_register_callback, |
| 390 | .inquire_socket = cardu_inquire_socket, |
| 391 | .get_status = cardu_get_status, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | .set_socket = cardu_set_socket, |
| 393 | .get_io_map = cardu_get_io_map, |
| 394 | .set_io_map = cardu_set_io_map, |
| 395 | .get_mem_map = cardu_get_mem_map, |
| 396 | .set_mem_map = cardu_set_mem_map, |
| 397 | .proc_setup = cardu_proc_setup, |
| 398 | }; |
| 399 | |
| 400 | static void cardu_bh(void *data) |
| 401 | { |
| 402 | vrc4173_socket_t *socket = (vrc4173_socket_t *)data; |
| 403 | uint16_t events; |
| 404 | |
| 405 | spin_lock_irq(&socket->event_lock); |
| 406 | events = socket->events; |
| 407 | socket->events = 0; |
| 408 | spin_unlock_irq(&socket->event_lock); |
| 409 | |
| 410 | if (socket->handler) |
| 411 | socket->handler(socket->info, events); |
| 412 | } |
| 413 | |
| 414 | static uint16_t get_events(vrc4173_socket_t *socket) |
| 415 | { |
| 416 | uint16_t events = 0; |
| 417 | uint8_t csc, status; |
| 418 | |
| 419 | status = exca_readb(socket, IF_STATUS); |
| 420 | csc = exca_readb(socket, CARD_SC); |
| 421 | if ((csc & CARD_DT_CHG) && |
| 422 | ((status & (CARD_DETECT1|CARD_DETECT2)) == (CARD_DETECT1|CARD_DETECT2))) |
| 423 | events |= SS_DETECT; |
| 424 | |
| 425 | if ((csc & RDY_CHG) && (status & READY)) |
| 426 | events |= SS_READY; |
| 427 | |
| 428 | if (exca_readb(socket, INT_GEN_CNT) & CARD_TYPE_IO) { |
| 429 | if ((csc & BAT_DEAD_ST_CHG) && (status & STSCHG)) |
| 430 | events |= SS_STSCHG; |
| 431 | } else { |
| 432 | if (csc & (BAT_WAR_CHG|BAT_DEAD_ST_CHG)) { |
| 433 | if ((status & BV_DETECT_MASK) != BV_DETECT_GOOD) { |
| 434 | if (status == BV_DETECT_WARN) events |= SS_BATWARN; |
| 435 | else events |= SS_BATDEAD; |
| 436 | } |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | return events; |
| 441 | } |
| 442 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 443 | static void cardu_interrupt(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 444 | { |
| 445 | vrc4173_socket_t *socket = (vrc4173_socket_t *)dev_id; |
| 446 | uint16_t events; |
| 447 | |
| 448 | INIT_WORK(&socket->tq_work, cardu_bh, socket); |
| 449 | |
| 450 | events = get_events(socket); |
| 451 | if (events) { |
| 452 | spin_lock(&socket->event_lock); |
| 453 | socket->events |= events; |
| 454 | spin_unlock(&socket->event_lock); |
| 455 | schedule_work(&socket->tq_work); |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | static int __devinit vrc4173_cardu_probe(struct pci_dev *dev, |
| 460 | const struct pci_device_id *ent) |
| 461 | { |
| 462 | vrc4173_socket_t *socket; |
| 463 | unsigned long start, len, flags; |
Rahul Ruikar | 1ab488d | 2010-09-26 22:20:30 +0530 | [diff] [blame] | 464 | int slot, err, ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | |
| 466 | slot = vrc4173_cardu_slots++; |
| 467 | socket = &cardu_sockets[slot]; |
| 468 | if (socket->noprobe != 0) |
| 469 | return -EBUSY; |
| 470 | |
| 471 | sprintf(socket->name, "NEC VRC4173 CARDU%1d", slot+1); |
| 472 | |
| 473 | if ((err = pci_enable_device(dev)) < 0) |
| 474 | return err; |
| 475 | |
| 476 | start = pci_resource_start(dev, 0); |
Rahul Ruikar | 1ab488d | 2010-09-26 22:20:30 +0530 | [diff] [blame] | 477 | if (start == 0) { |
| 478 | ret = -ENODEV; |
| 479 | goto disable; |
| 480 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 481 | |
| 482 | len = pci_resource_len(dev, 0); |
Rahul Ruikar | 1ab488d | 2010-09-26 22:20:30 +0530 | [diff] [blame] | 483 | if (len == 0) { |
| 484 | ret = -ENODEV; |
| 485 | goto disable; |
| 486 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | |
Rahul Ruikar | 1ab488d | 2010-09-26 22:20:30 +0530 | [diff] [blame] | 488 | flags = pci_resource_flags(dev, 0); |
| 489 | if ((flags & IORESOURCE_MEM) == 0) { |
| 490 | ret = -EBUSY; |
| 491 | goto disable; |
| 492 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 493 | |
Rahul Ruikar | 1ab488d | 2010-09-26 22:20:30 +0530 | [diff] [blame] | 494 | err = pci_request_regions(dev, socket->name); |
| 495 | if (err < 0) { |
| 496 | ret = err; |
| 497 | goto disable; |
| 498 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 499 | |
| 500 | socket->base = ioremap(start, len); |
Rahul Ruikar | 1ab488d | 2010-09-26 22:20:30 +0530 | [diff] [blame] | 501 | if (socket->base == NULL) { |
| 502 | ret = -ENODEV; |
| 503 | goto release; |
| 504 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 505 | |
| 506 | socket->dev = dev; |
| 507 | |
| 508 | socket->pcmcia_socket = pcmcia_register_socket(slot, &cardu_operations, 1); |
| 509 | if (socket->pcmcia_socket == NULL) { |
Rahul Ruikar | 1ab488d | 2010-09-26 22:20:30 +0530 | [diff] [blame] | 510 | ret = -ENOMEM; |
| 511 | goto unmap; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 512 | } |
| 513 | |
Thomas Gleixner | dace145 | 2006-07-01 19:29:38 -0700 | [diff] [blame] | 514 | if (request_irq(dev->irq, cardu_interrupt, IRQF_SHARED, socket->name, socket) < 0) { |
Rahul Ruikar | 1ab488d | 2010-09-26 22:20:30 +0530 | [diff] [blame] | 515 | ret = -EBUSY; |
| 516 | goto unregister; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 517 | } |
| 518 | |
| 519 | printk(KERN_INFO "%s at %#08lx, IRQ %d\n", socket->name, start, dev->irq); |
| 520 | |
| 521 | return 0; |
Rahul Ruikar | 1ab488d | 2010-09-26 22:20:30 +0530 | [diff] [blame] | 522 | |
| 523 | unregister: |
| 524 | pcmcia_unregister_socket(socket->pcmcia_socket); |
| 525 | socket->pcmcia_socket = NULL; |
| 526 | unmap: |
| 527 | iounmap(socket->base); |
| 528 | socket->base = NULL; |
| 529 | release: |
| 530 | pci_release_regions(dev); |
| 531 | disable: |
| 532 | pci_disable_device(dev); |
| 533 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | } |
| 535 | |
| 536 | static int __devinit vrc4173_cardu_setup(char *options) |
| 537 | { |
| 538 | if (options == NULL || *options == '\0') |
OGAWA Hirofumi | 9b41046 | 2006-03-31 02:30:33 -0800 | [diff] [blame] | 539 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 540 | |
| 541 | if (strncmp(options, "cardu1:", 7) == 0) { |
| 542 | options += 7; |
| 543 | if (*options != '\0') { |
| 544 | if (strncmp(options, "noprobe", 7) == 0) { |
| 545 | cardu_sockets[CARDU1].noprobe = 1; |
| 546 | options += 7; |
| 547 | } |
| 548 | |
| 549 | if (*options != ',') |
OGAWA Hirofumi | 9b41046 | 2006-03-31 02:30:33 -0800 | [diff] [blame] | 550 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | } else |
OGAWA Hirofumi | 9b41046 | 2006-03-31 02:30:33 -0800 | [diff] [blame] | 552 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 553 | } |
| 554 | |
| 555 | if (strncmp(options, "cardu2:", 7) == 0) { |
| 556 | options += 7; |
| 557 | if ((*options != '\0') && (strncmp(options, "noprobe", 7) == 0)) |
| 558 | cardu_sockets[CARDU2].noprobe = 1; |
| 559 | } |
| 560 | |
OGAWA Hirofumi | 9b41046 | 2006-03-31 02:30:33 -0800 | [diff] [blame] | 561 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 562 | } |
| 563 | |
| 564 | __setup("vrc4173_cardu=", vrc4173_cardu_setup); |
| 565 | |
Axel Lin | 2b2c5d8 | 2011-12-27 16:17:46 +0800 | [diff] [blame^] | 566 | static DEFINE_PCI_DEVICE_TABLE(vrc4173_cardu_id_table) = { |
| 567 | { PCI_DEVICE(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_NAPCCARD) }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 568 | {0, } |
| 569 | }; |
| 570 | |
| 571 | static struct pci_driver vrc4173_cardu_driver = { |
| 572 | .name = "NEC VRC4173 CARDU", |
| 573 | .probe = vrc4173_cardu_probe, |
| 574 | .id_table = vrc4173_cardu_id_table, |
| 575 | }; |
| 576 | |
| 577 | static int __devinit vrc4173_cardu_init(void) |
| 578 | { |
| 579 | vrc4173_cardu_slots = 0; |
| 580 | |
Richard Knutsson | 93b4768 | 2005-11-30 01:00:35 +0100 | [diff] [blame] | 581 | return pci_register_driver(&vrc4173_cardu_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 582 | } |
| 583 | |
| 584 | static void __devexit vrc4173_cardu_exit(void) |
| 585 | { |
| 586 | pci_unregister_driver(&vrc4173_cardu_driver); |
| 587 | } |
| 588 | |
| 589 | module_init(vrc4173_cardu_init); |
| 590 | module_exit(vrc4173_cardu_exit); |
| 591 | MODULE_DEVICE_TABLE(pci, vrc4173_cardu_id_table); |