vrc4171_card.c 18 KB

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  1. /*
  2. * vrc4171_card.c, NEC VRC4171 Card Controller driver for Socket Services.
  3. *
  4. * Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19. */
  20. #include <linux/init.h>
  21. #include <linux/ioport.h>
  22. #include <linux/interrupt.h>
  23. #include <linux/module.h>
  24. #include <linux/spinlock.h>
  25. #include <linux/types.h>
  26. #include <linux/platform_device.h>
  27. #include <asm/io.h>
  28. #include <pcmcia/ss.h>
  29. #include "i82365.h"
  30. MODULE_DESCRIPTION("NEC VRC4171 Card Controllers driver for Socket Services");
  31. MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>");
  32. MODULE_LICENSE("GPL");
  33. #define CARD_MAX_SLOTS 2
  34. #define CARD_SLOTA 0
  35. #define CARD_SLOTB 1
  36. #define CARD_SLOTB_OFFSET 0x40
  37. #define CARD_MEM_START 0x10000000
  38. #define CARD_MEM_END 0x13ffffff
  39. #define CARD_MAX_MEM_OFFSET 0x3ffffff
  40. #define CARD_MAX_MEM_SPEED 1000
  41. #define CARD_CONTROLLER_INDEX 0x03e0
  42. #define CARD_CONTROLLER_DATA 0x03e1
  43. /* Power register */
  44. #define VPP_GET_VCC 0x01
  45. #define POWER_ENABLE 0x10
  46. #define CARD_VOLTAGE_SENSE 0x1f
  47. #define VCC_3VORXV_CAPABLE 0x00
  48. #define VCC_XV_ONLY 0x01
  49. #define VCC_3V_CAPABLE 0x02
  50. #define VCC_5V_ONLY 0x03
  51. #define CARD_VOLTAGE_SELECT 0x2f
  52. #define VCC_3V 0x01
  53. #define VCC_5V 0x00
  54. #define VCC_XV 0x02
  55. #define VCC_STATUS_3V 0x02
  56. #define VCC_STATUS_5V 0x01
  57. #define VCC_STATUS_XV 0x03
  58. #define GLOBAL_CONTROL 0x1e
  59. #define EXWRBK 0x04
  60. #define IRQPM_EN 0x08
  61. #define CLRPMIRQ 0x10
  62. #define INTERRUPT_STATUS 0x05fa
  63. #define IRQ_A 0x02
  64. #define IRQ_B 0x04
  65. #define CONFIGURATION1 0x05fe
  66. #define SLOTB_CONFIG 0xc000
  67. #define SLOTB_NONE 0x0000
  68. #define SLOTB_PCCARD 0x4000
  69. #define SLOTB_CF 0x8000
  70. #define SLOTB_FLASHROM 0xc000
  71. #define CARD_CONTROLLER_START CARD_CONTROLLER_INDEX
  72. #define CARD_CONTROLLER_END CARD_CONTROLLER_DATA
  73. #define IO_MAX_MAPS 2
  74. #define MEM_MAX_MAPS 5
  75. typedef enum {
  76. SLOT_PROBE = 0,
  77. SLOT_NOPROBE_IO,
  78. SLOT_NOPROBE_MEM,
  79. SLOT_NOPROBE_ALL,
  80. SLOT_INITIALIZED,
  81. } vrc4171_slot_t;
  82. typedef enum {
  83. SLOTB_IS_NONE,
  84. SLOTB_IS_PCCARD,
  85. SLOTB_IS_CF,
  86. SLOTB_IS_FLASHROM,
  87. } vrc4171_slotb_t;
  88. typedef struct vrc4171_socket {
  89. vrc4171_slot_t slot;
  90. struct pcmcia_socket pcmcia_socket;
  91. char name[24];
  92. int csc_irq;
  93. int io_irq;
  94. } vrc4171_socket_t;
  95. static vrc4171_socket_t vrc4171_sockets[CARD_MAX_SLOTS];
  96. static vrc4171_slotb_t vrc4171_slotb = SLOTB_IS_NONE;
  97. static char vrc4171_card_name[] = "NEC VRC4171 Card Controller";
  98. static unsigned int vrc4171_irq;
  99. static uint16_t vrc4171_irq_mask = 0xdeb8;
  100. static struct resource vrc4171_card_resource[3] = {
  101. { .name = vrc4171_card_name,
  102. .start = CARD_CONTROLLER_START,
  103. .end = CARD_CONTROLLER_END,
  104. .flags = IORESOURCE_IO, },
  105. { .name = vrc4171_card_name,
  106. .start = INTERRUPT_STATUS,
  107. .end = INTERRUPT_STATUS,
  108. .flags = IORESOURCE_IO, },
  109. { .name = vrc4171_card_name,
  110. .start = CONFIGURATION1,
  111. .end = CONFIGURATION1,
  112. .flags = IORESOURCE_IO, },
  113. };
  114. static struct platform_device vrc4171_card_device = {
  115. .name = vrc4171_card_name,
  116. .id = 0,
  117. .num_resources = 3,
  118. .resource = vrc4171_card_resource,
  119. };
  120. static inline uint16_t vrc4171_get_irq_status(void)
  121. {
  122. return inw(INTERRUPT_STATUS);
  123. }
  124. static inline void vrc4171_set_multifunction_pin(vrc4171_slotb_t config)
  125. {
  126. uint16_t config1;
  127. config1 = inw(CONFIGURATION1);
  128. config1 &= ~SLOTB_CONFIG;
  129. switch (config) {
  130. case SLOTB_IS_NONE:
  131. config1 |= SLOTB_NONE;
  132. break;
  133. case SLOTB_IS_PCCARD:
  134. config1 |= SLOTB_PCCARD;
  135. break;
  136. case SLOTB_IS_CF:
  137. config1 |= SLOTB_CF;
  138. break;
  139. case SLOTB_IS_FLASHROM:
  140. config1 |= SLOTB_FLASHROM;
  141. break;
  142. default:
  143. break;
  144. }
  145. outw(config1, CONFIGURATION1);
  146. }
  147. static inline uint8_t exca_read_byte(int slot, uint8_t index)
  148. {
  149. if (slot == CARD_SLOTB)
  150. index += CARD_SLOTB_OFFSET;
  151. outb(index, CARD_CONTROLLER_INDEX);
  152. return inb(CARD_CONTROLLER_DATA);
  153. }
  154. static inline uint16_t exca_read_word(int slot, uint8_t index)
  155. {
  156. uint16_t data;
  157. if (slot == CARD_SLOTB)
  158. index += CARD_SLOTB_OFFSET;
  159. outb(index++, CARD_CONTROLLER_INDEX);
  160. data = inb(CARD_CONTROLLER_DATA);
  161. outb(index, CARD_CONTROLLER_INDEX);
  162. data |= ((uint16_t)inb(CARD_CONTROLLER_DATA)) << 8;
  163. return data;
  164. }
  165. static inline uint8_t exca_write_byte(int slot, uint8_t index, uint8_t data)
  166. {
  167. if (slot == CARD_SLOTB)
  168. index += CARD_SLOTB_OFFSET;
  169. outb(index, CARD_CONTROLLER_INDEX);
  170. outb(data, CARD_CONTROLLER_DATA);
  171. return data;
  172. }
  173. static inline uint16_t exca_write_word(int slot, uint8_t index, uint16_t data)
  174. {
  175. if (slot == CARD_SLOTB)
  176. index += CARD_SLOTB_OFFSET;
  177. outb(index++, CARD_CONTROLLER_INDEX);
  178. outb(data, CARD_CONTROLLER_DATA);
  179. outb(index, CARD_CONTROLLER_INDEX);
  180. outb((uint8_t)(data >> 8), CARD_CONTROLLER_DATA);
  181. return data;
  182. }
  183. static inline int search_nonuse_irq(void)
  184. {
  185. int i;
  186. for (i = 0; i < 16; i++) {
  187. if (vrc4171_irq_mask & (1 << i)) {
  188. vrc4171_irq_mask &= ~(1 << i);
  189. return i;
  190. }
  191. }
  192. return -1;
  193. }
  194. static int pccard_init(struct pcmcia_socket *sock)
  195. {
  196. vrc4171_socket_t *socket;
  197. unsigned int slot;
  198. sock->features |= SS_CAP_PCCARD | SS_CAP_PAGE_REGS;
  199. sock->irq_mask = 0;
  200. sock->map_size = 0x1000;
  201. sock->pci_irq = vrc4171_irq;
  202. slot = sock->sock;
  203. socket = &vrc4171_sockets[slot];
  204. socket->csc_irq = search_nonuse_irq();
  205. socket->io_irq = search_nonuse_irq();
  206. return 0;
  207. }
  208. static int pccard_get_status(struct pcmcia_socket *sock, u_int *value)
  209. {
  210. unsigned int slot;
  211. uint8_t status, sense;
  212. u_int val = 0;
  213. if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || value == NULL)
  214. return -EINVAL;
  215. slot = sock->sock;
  216. status = exca_read_byte(slot, I365_STATUS);
  217. if (exca_read_byte(slot, I365_INTCTL) & I365_PC_IOCARD) {
  218. if (status & I365_CS_STSCHG)
  219. val |= SS_STSCHG;
  220. } else {
  221. if (!(status & I365_CS_BVD1))
  222. val |= SS_BATDEAD;
  223. else if ((status & (I365_CS_BVD1 | I365_CS_BVD2)) == I365_CS_BVD1)
  224. val |= SS_BATWARN;
  225. }
  226. if ((status & I365_CS_DETECT) == I365_CS_DETECT)
  227. val |= SS_DETECT;
  228. if (status & I365_CS_WRPROT)
  229. val |= SS_WRPROT;
  230. if (status & I365_CS_READY)
  231. val |= SS_READY;
  232. if (status & I365_CS_POWERON)
  233. val |= SS_POWERON;
  234. sense = exca_read_byte(slot, CARD_VOLTAGE_SENSE);
  235. switch (sense) {
  236. case VCC_3VORXV_CAPABLE:
  237. val |= SS_3VCARD | SS_XVCARD;
  238. break;
  239. case VCC_XV_ONLY:
  240. val |= SS_XVCARD;
  241. break;
  242. case VCC_3V_CAPABLE:
  243. val |= SS_3VCARD;
  244. break;
  245. default:
  246. /* 5V only */
  247. break;
  248. }
  249. *value = val;
  250. return 0;
  251. }
  252. static inline uint8_t set_Vcc_value(u_char Vcc)
  253. {
  254. switch (Vcc) {
  255. case 33:
  256. return VCC_3V;
  257. case 50:
  258. return VCC_5V;
  259. }
  260. /* Small voltage is chosen for safety. */
  261. return VCC_3V;
  262. }
  263. static int pccard_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
  264. {
  265. vrc4171_socket_t *socket;
  266. unsigned int slot;
  267. uint8_t voltage, power, control, cscint;
  268. if (sock == NULL || sock->sock >= CARD_MAX_SLOTS ||
  269. (state->Vpp != state->Vcc && state->Vpp != 0) ||
  270. (state->Vcc != 50 && state->Vcc != 33 && state->Vcc != 0))
  271. return -EINVAL;
  272. slot = sock->sock;
  273. socket = &vrc4171_sockets[slot];
  274. spin_lock_irq(&sock->lock);
  275. voltage = set_Vcc_value(state->Vcc);
  276. exca_write_byte(slot, CARD_VOLTAGE_SELECT, voltage);
  277. power = POWER_ENABLE;
  278. if (state->Vpp == state->Vcc)
  279. power |= VPP_GET_VCC;
  280. if (state->flags & SS_OUTPUT_ENA)
  281. power |= I365_PWR_OUT;
  282. exca_write_byte(slot, I365_POWER, power);
  283. control = 0;
  284. if (state->io_irq != 0)
  285. control |= socket->io_irq;
  286. if (state->flags & SS_IOCARD)
  287. control |= I365_PC_IOCARD;
  288. if (state->flags & SS_RESET)
  289. control &= ~I365_PC_RESET;
  290. else
  291. control |= I365_PC_RESET;
  292. exca_write_byte(slot, I365_INTCTL, control);
  293. cscint = 0;
  294. exca_write_byte(slot, I365_CSCINT, cscint);
  295. exca_read_byte(slot, I365_CSC); /* clear CardStatus change */
  296. if (state->csc_mask != 0)
  297. cscint |= socket->csc_irq << 8;
  298. if (state->flags & SS_IOCARD) {
  299. if (state->csc_mask & SS_STSCHG)
  300. cscint |= I365_CSC_STSCHG;
  301. } else {
  302. if (state->csc_mask & SS_BATDEAD)
  303. cscint |= I365_CSC_BVD1;
  304. if (state->csc_mask & SS_BATWARN)
  305. cscint |= I365_CSC_BVD2;
  306. }
  307. if (state->csc_mask & SS_READY)
  308. cscint |= I365_CSC_READY;
  309. if (state->csc_mask & SS_DETECT)
  310. cscint |= I365_CSC_DETECT;
  311. exca_write_byte(slot, I365_CSCINT, cscint);
  312. spin_unlock_irq(&sock->lock);
  313. return 0;
  314. }
  315. static int pccard_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
  316. {
  317. unsigned int slot;
  318. uint8_t ioctl, addrwin;
  319. u_char map;
  320. if (sock == NULL || sock->sock >= CARD_MAX_SLOTS ||
  321. io == NULL || io->map >= IO_MAX_MAPS ||
  322. io->start > 0xffff || io->stop > 0xffff || io->start > io->stop)
  323. return -EINVAL;
  324. slot = sock->sock;
  325. map = io->map;
  326. addrwin = exca_read_byte(slot, I365_ADDRWIN);
  327. if (addrwin & I365_ENA_IO(map)) {
  328. addrwin &= ~I365_ENA_IO(map);
  329. exca_write_byte(slot, I365_ADDRWIN, addrwin);
  330. }
  331. exca_write_word(slot, I365_IO(map)+I365_W_START, io->start);
  332. exca_write_word(slot, I365_IO(map)+I365_W_STOP, io->stop);
  333. ioctl = 0;
  334. if (io->speed > 0)
  335. ioctl |= I365_IOCTL_WAIT(map);
  336. if (io->flags & MAP_16BIT)
  337. ioctl |= I365_IOCTL_16BIT(map);
  338. if (io->flags & MAP_AUTOSZ)
  339. ioctl |= I365_IOCTL_IOCS16(map);
  340. if (io->flags & MAP_0WS)
  341. ioctl |= I365_IOCTL_0WS(map);
  342. exca_write_byte(slot, I365_IOCTL, ioctl);
  343. if (io->flags & MAP_ACTIVE) {
  344. addrwin |= I365_ENA_IO(map);
  345. exca_write_byte(slot, I365_ADDRWIN, addrwin);
  346. }
  347. return 0;
  348. }
  349. static int pccard_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
  350. {
  351. unsigned int slot;
  352. uint16_t start, stop, offset;
  353. uint8_t addrwin;
  354. u_char map;
  355. if (sock == NULL || sock->sock >= CARD_MAX_SLOTS ||
  356. mem == NULL || mem->map >= MEM_MAX_MAPS ||
  357. mem->res->start < CARD_MEM_START || mem->res->start > CARD_MEM_END ||
  358. mem->res->end < CARD_MEM_START || mem->res->end > CARD_MEM_END ||
  359. mem->res->start > mem->res->end ||
  360. mem->card_start > CARD_MAX_MEM_OFFSET ||
  361. mem->speed > CARD_MAX_MEM_SPEED)
  362. return -EINVAL;
  363. slot = sock->sock;
  364. map = mem->map;
  365. addrwin = exca_read_byte(slot, I365_ADDRWIN);
  366. if (addrwin & I365_ENA_MEM(map)) {
  367. addrwin &= ~I365_ENA_MEM(map);
  368. exca_write_byte(slot, I365_ADDRWIN, addrwin);
  369. }
  370. start = (mem->res->start >> 12) & 0x3fff;
  371. if (mem->flags & MAP_16BIT)
  372. start |= I365_MEM_16BIT;
  373. exca_write_word(slot, I365_MEM(map)+I365_W_START, start);
  374. stop = (mem->res->end >> 12) & 0x3fff;
  375. switch (mem->speed) {
  376. case 0:
  377. break;
  378. case 1:
  379. stop |= I365_MEM_WS0;
  380. break;
  381. case 2:
  382. stop |= I365_MEM_WS1;
  383. break;
  384. default:
  385. stop |= I365_MEM_WS0 | I365_MEM_WS1;
  386. break;
  387. }
  388. exca_write_word(slot, I365_MEM(map)+I365_W_STOP, stop);
  389. offset = (mem->card_start >> 12) & 0x3fff;
  390. if (mem->flags & MAP_ATTRIB)
  391. offset |= I365_MEM_REG;
  392. if (mem->flags & MAP_WRPROT)
  393. offset |= I365_MEM_WRPROT;
  394. exca_write_word(slot, I365_MEM(map)+I365_W_OFF, offset);
  395. if (mem->flags & MAP_ACTIVE) {
  396. addrwin |= I365_ENA_MEM(map);
  397. exca_write_byte(slot, I365_ADDRWIN, addrwin);
  398. }
  399. return 0;
  400. }
  401. static struct pccard_operations vrc4171_pccard_operations = {
  402. .init = pccard_init,
  403. .get_status = pccard_get_status,
  404. .set_socket = pccard_set_socket,
  405. .set_io_map = pccard_set_io_map,
  406. .set_mem_map = pccard_set_mem_map,
  407. };
  408. static inline unsigned int get_events(int slot)
  409. {
  410. unsigned int events = 0;
  411. uint8_t status, csc;
  412. status = exca_read_byte(slot, I365_STATUS);
  413. csc = exca_read_byte(slot, I365_CSC);
  414. if (exca_read_byte(slot, I365_INTCTL) & I365_PC_IOCARD) {
  415. if ((csc & I365_CSC_STSCHG) && (status & I365_CS_STSCHG))
  416. events |= SS_STSCHG;
  417. } else {
  418. if (csc & (I365_CSC_BVD1 | I365_CSC_BVD2)) {
  419. if (!(status & I365_CS_BVD1))
  420. events |= SS_BATDEAD;
  421. else if ((status & (I365_CS_BVD1 | I365_CS_BVD2)) == I365_CS_BVD1)
  422. events |= SS_BATWARN;
  423. }
  424. }
  425. if ((csc & I365_CSC_READY) && (status & I365_CS_READY))
  426. events |= SS_READY;
  427. if ((csc & I365_CSC_DETECT) && ((status & I365_CS_DETECT) == I365_CS_DETECT))
  428. events |= SS_DETECT;
  429. return events;
  430. }
  431. static irqreturn_t pccard_interrupt(int irq, void *dev_id)
  432. {
  433. vrc4171_socket_t *socket;
  434. unsigned int events;
  435. irqreturn_t retval = IRQ_NONE;
  436. uint16_t status;
  437. status = vrc4171_get_irq_status();
  438. if (status & IRQ_A) {
  439. socket = &vrc4171_sockets[CARD_SLOTA];
  440. if (socket->slot == SLOT_INITIALIZED) {
  441. if (status & (1 << socket->csc_irq)) {
  442. events = get_events(CARD_SLOTA);
  443. if (events != 0) {
  444. pcmcia_parse_events(&socket->pcmcia_socket, events);
  445. retval = IRQ_HANDLED;
  446. }
  447. }
  448. }
  449. }
  450. if (status & IRQ_B) {
  451. socket = &vrc4171_sockets[CARD_SLOTB];
  452. if (socket->slot == SLOT_INITIALIZED) {
  453. if (status & (1 << socket->csc_irq)) {
  454. events = get_events(CARD_SLOTB);
  455. if (events != 0) {
  456. pcmcia_parse_events(&socket->pcmcia_socket, events);
  457. retval = IRQ_HANDLED;
  458. }
  459. }
  460. }
  461. }
  462. return retval;
  463. }
  464. static inline void reserve_using_irq(int slot)
  465. {
  466. unsigned int irq;
  467. irq = exca_read_byte(slot, I365_INTCTL);
  468. irq &= 0x0f;
  469. vrc4171_irq_mask &= ~(1 << irq);
  470. irq = exca_read_byte(slot, I365_CSCINT);
  471. irq = (irq & 0xf0) >> 4;
  472. vrc4171_irq_mask &= ~(1 << irq);
  473. }
  474. static int __devinit vrc4171_add_sockets(void)
  475. {
  476. vrc4171_socket_t *socket;
  477. int slot, retval;
  478. for (slot = 0; slot < CARD_MAX_SLOTS; slot++) {
  479. if (slot == CARD_SLOTB && vrc4171_slotb == SLOTB_IS_NONE)
  480. continue;
  481. socket = &vrc4171_sockets[slot];
  482. if (socket->slot != SLOT_PROBE) {
  483. uint8_t addrwin;
  484. switch (socket->slot) {
  485. case SLOT_NOPROBE_MEM:
  486. addrwin = exca_read_byte(slot, I365_ADDRWIN);
  487. addrwin &= 0x1f;
  488. exca_write_byte(slot, I365_ADDRWIN, addrwin);
  489. break;
  490. case SLOT_NOPROBE_IO:
  491. addrwin = exca_read_byte(slot, I365_ADDRWIN);
  492. addrwin &= 0xc0;
  493. exca_write_byte(slot, I365_ADDRWIN, addrwin);
  494. break;
  495. default:
  496. break;
  497. }
  498. reserve_using_irq(slot);
  499. continue;
  500. }
  501. sprintf(socket->name, "NEC VRC4171 Card Slot %1c", 'A' + slot);
  502. socket->pcmcia_socket.dev.parent = &vrc4171_card_device.dev;
  503. socket->pcmcia_socket.ops = &vrc4171_pccard_operations;
  504. socket->pcmcia_socket.owner = THIS_MODULE;
  505. retval = pcmcia_register_socket(&socket->pcmcia_socket);
  506. if (retval < 0)
  507. return retval;
  508. exca_write_byte(slot, I365_ADDRWIN, 0);
  509. exca_write_byte(slot, GLOBAL_CONTROL, 0);
  510. socket->slot = SLOT_INITIALIZED;
  511. }
  512. return 0;
  513. }
  514. static void vrc4171_remove_sockets(void)
  515. {
  516. vrc4171_socket_t *socket;
  517. int slot;
  518. for (slot = 0; slot < CARD_MAX_SLOTS; slot++) {
  519. if (slot == CARD_SLOTB && vrc4171_slotb == SLOTB_IS_NONE)
  520. continue;
  521. socket = &vrc4171_sockets[slot];
  522. if (socket->slot == SLOT_INITIALIZED)
  523. pcmcia_unregister_socket(&socket->pcmcia_socket);
  524. socket->slot = SLOT_PROBE;
  525. }
  526. }
  527. static int __devinit vrc4171_card_setup(char *options)
  528. {
  529. if (options == NULL || *options == '\0')
  530. return 1;
  531. if (strncmp(options, "irq:", 4) == 0) {
  532. int irq;
  533. options += 4;
  534. irq = simple_strtoul(options, &options, 0);
  535. if (irq >= 0 && irq < NR_IRQS)
  536. vrc4171_irq = irq;
  537. if (*options != ',')
  538. return 1;
  539. options++;
  540. }
  541. if (strncmp(options, "slota:", 6) == 0) {
  542. options += 6;
  543. if (*options != '\0') {
  544. if (strncmp(options, "memnoprobe", 10) == 0) {
  545. vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_MEM;
  546. options += 10;
  547. } else if (strncmp(options, "ionoprobe", 9) == 0) {
  548. vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_IO;
  549. options += 9;
  550. } else if ( strncmp(options, "noprobe", 7) == 0) {
  551. vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_ALL;
  552. options += 7;
  553. }
  554. if (*options != ',')
  555. return 1;
  556. options++;
  557. } else
  558. return 1;
  559. }
  560. if (strncmp(options, "slotb:", 6) == 0) {
  561. options += 6;
  562. if (*options != '\0') {
  563. if (strncmp(options, "pccard", 6) == 0) {
  564. vrc4171_slotb = SLOTB_IS_PCCARD;
  565. options += 6;
  566. } else if (strncmp(options, "cf", 2) == 0) {
  567. vrc4171_slotb = SLOTB_IS_CF;
  568. options += 2;
  569. } else if (strncmp(options, "flashrom", 8) == 0) {
  570. vrc4171_slotb = SLOTB_IS_FLASHROM;
  571. options += 8;
  572. } else if (strncmp(options, "none", 4) == 0) {
  573. vrc4171_slotb = SLOTB_IS_NONE;
  574. options += 4;
  575. }
  576. if (*options != ',')
  577. return 1;
  578. options++;
  579. if (strncmp(options, "memnoprobe", 10) == 0)
  580. vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_MEM;
  581. if (strncmp(options, "ionoprobe", 9) == 0)
  582. vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_IO;
  583. if (strncmp(options, "noprobe", 7) == 0)
  584. vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_ALL;
  585. }
  586. }
  587. return 1;
  588. }
  589. __setup("vrc4171_card=", vrc4171_card_setup);
  590. static struct device_driver vrc4171_card_driver = {
  591. .name = vrc4171_card_name,
  592. .bus = &platform_bus_type,
  593. .suspend = pcmcia_socket_dev_suspend,
  594. .resume = pcmcia_socket_dev_resume,
  595. };
  596. static int __devinit vrc4171_card_init(void)
  597. {
  598. int retval;
  599. retval = driver_register(&vrc4171_card_driver);
  600. if (retval < 0)
  601. return retval;
  602. retval = platform_device_register(&vrc4171_card_device);
  603. if (retval < 0) {
  604. driver_unregister(&vrc4171_card_driver);
  605. return retval;
  606. }
  607. vrc4171_set_multifunction_pin(vrc4171_slotb);
  608. retval = vrc4171_add_sockets();
  609. if (retval == 0)
  610. retval = request_irq(vrc4171_irq, pccard_interrupt, IRQF_SHARED,
  611. vrc4171_card_name, vrc4171_sockets);
  612. if (retval < 0) {
  613. vrc4171_remove_sockets();
  614. platform_device_unregister(&vrc4171_card_device);
  615. driver_unregister(&vrc4171_card_driver);
  616. return retval;
  617. }
  618. printk(KERN_INFO "%s, connected to IRQ %d\n", vrc4171_card_driver.name, vrc4171_irq);
  619. return 0;
  620. }
  621. static void __devexit vrc4171_card_exit(void)
  622. {
  623. free_irq(vrc4171_irq, vrc4171_sockets);
  624. vrc4171_remove_sockets();
  625. platform_device_unregister(&vrc4171_card_device);
  626. driver_unregister(&vrc4171_card_driver);
  627. }
  628. module_init(vrc4171_card_init);
  629. module_exit(vrc4171_card_exit);