pd6729.c 19 KB

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  1. /*
  2. * Driver for the Cirrus PD6729 PCI-PCMCIA bridge.
  3. *
  4. * Based on the i82092.c driver.
  5. *
  6. * This software may be used and distributed according to the terms of
  7. * the GNU General Public License, incorporated herein by reference.
  8. */
  9. #include <linux/kernel.h>
  10. #include <linux/module.h>
  11. #include <linux/pci.h>
  12. #include <linux/init.h>
  13. #include <linux/workqueue.h>
  14. #include <linux/interrupt.h>
  15. #include <linux/device.h>
  16. #include <pcmcia/cs_types.h>
  17. #include <pcmcia/ss.h>
  18. #include <pcmcia/cs.h>
  19. #include <asm/system.h>
  20. #include <asm/io.h>
  21. #include "pd6729.h"
  22. #include "i82365.h"
  23. #include "cirrus.h"
  24. MODULE_LICENSE("GPL");
  25. MODULE_DESCRIPTION("Driver for the Cirrus PD6729 PCI-PCMCIA bridge");
  26. MODULE_AUTHOR("Jun Komuro <komurojun-mbn@nifty.com>");
  27. #define MAX_SOCKETS 2
  28. /*
  29. * simple helper functions
  30. * External clock time, in nanoseconds. 120 ns = 8.33 MHz
  31. */
  32. #define to_cycles(ns) ((ns)/120)
  33. #ifndef NO_IRQ
  34. #define NO_IRQ ((unsigned int)(0))
  35. #endif
  36. /*
  37. * PARAMETERS
  38. * irq_mode=n
  39. * Specifies the interrupt delivery mode. The default (1) is to use PCI
  40. * interrupts; a value of 0 selects ISA interrupts. This must be set for
  41. * correct operation of PCI card readers.
  42. *
  43. * irq_list=i,j,...
  44. * This list limits the set of interrupts that can be used by PCMCIA
  45. * cards.
  46. * The default list is 3,4,5,7,9,10,11.
  47. * (irq_list parameter is not used, if irq_mode = 1)
  48. */
  49. static int irq_mode = 1; /* 0 = ISA interrupt, 1 = PCI interrupt */
  50. static int irq_list[16];
  51. static int irq_list_count = 0;
  52. module_param(irq_mode, int, 0444);
  53. module_param_array(irq_list, int, &irq_list_count, 0444);
  54. MODULE_PARM_DESC(irq_mode,
  55. "interrupt delivery mode. 0 = ISA, 1 = PCI. default is 1");
  56. MODULE_PARM_DESC(irq_list, "interrupts that can be used by PCMCIA cards");
  57. static DEFINE_SPINLOCK(port_lock);
  58. /* basic value read/write functions */
  59. static unsigned char indirect_read(struct pd6729_socket *socket,
  60. unsigned short reg)
  61. {
  62. unsigned long port;
  63. unsigned char val;
  64. unsigned long flags;
  65. spin_lock_irqsave(&port_lock, flags);
  66. reg += socket->number * 0x40;
  67. port = socket->io_base;
  68. outb(reg, port);
  69. val = inb(port + 1);
  70. spin_unlock_irqrestore(&port_lock, flags);
  71. return val;
  72. }
  73. static unsigned short indirect_read16(struct pd6729_socket *socket,
  74. unsigned short reg)
  75. {
  76. unsigned long port;
  77. unsigned short tmp;
  78. unsigned long flags;
  79. spin_lock_irqsave(&port_lock, flags);
  80. reg = reg + socket->number * 0x40;
  81. port = socket->io_base;
  82. outb(reg, port);
  83. tmp = inb(port + 1);
  84. reg++;
  85. outb(reg, port);
  86. tmp = tmp | (inb(port + 1) << 8);
  87. spin_unlock_irqrestore(&port_lock, flags);
  88. return tmp;
  89. }
  90. static void indirect_write(struct pd6729_socket *socket, unsigned short reg,
  91. unsigned char value)
  92. {
  93. unsigned long port;
  94. unsigned long flags;
  95. spin_lock_irqsave(&port_lock, flags);
  96. reg = reg + socket->number * 0x40;
  97. port = socket->io_base;
  98. outb(reg, port);
  99. outb(value, port + 1);
  100. spin_unlock_irqrestore(&port_lock, flags);
  101. }
  102. static void indirect_setbit(struct pd6729_socket *socket, unsigned short reg,
  103. unsigned char mask)
  104. {
  105. unsigned long port;
  106. unsigned char val;
  107. unsigned long flags;
  108. spin_lock_irqsave(&port_lock, flags);
  109. reg = reg + socket->number * 0x40;
  110. port = socket->io_base;
  111. outb(reg, port);
  112. val = inb(port + 1);
  113. val |= mask;
  114. outb(reg, port);
  115. outb(val, port + 1);
  116. spin_unlock_irqrestore(&port_lock, flags);
  117. }
  118. static void indirect_resetbit(struct pd6729_socket *socket, unsigned short reg,
  119. unsigned char mask)
  120. {
  121. unsigned long port;
  122. unsigned char val;
  123. unsigned long flags;
  124. spin_lock_irqsave(&port_lock, flags);
  125. reg = reg + socket->number * 0x40;
  126. port = socket->io_base;
  127. outb(reg, port);
  128. val = inb(port + 1);
  129. val &= ~mask;
  130. outb(reg, port);
  131. outb(val, port + 1);
  132. spin_unlock_irqrestore(&port_lock, flags);
  133. }
  134. static void indirect_write16(struct pd6729_socket *socket, unsigned short reg,
  135. unsigned short value)
  136. {
  137. unsigned long port;
  138. unsigned char val;
  139. unsigned long flags;
  140. spin_lock_irqsave(&port_lock, flags);
  141. reg = reg + socket->number * 0x40;
  142. port = socket->io_base;
  143. outb(reg, port);
  144. val = value & 255;
  145. outb(val, port + 1);
  146. reg++;
  147. outb(reg, port);
  148. val = value >> 8;
  149. outb(val, port + 1);
  150. spin_unlock_irqrestore(&port_lock, flags);
  151. }
  152. /* Interrupt handler functionality */
  153. static irqreturn_t pd6729_interrupt(int irq, void *dev)
  154. {
  155. struct pd6729_socket *socket = (struct pd6729_socket *)dev;
  156. int i;
  157. int loopcount = 0;
  158. int handled = 0;
  159. unsigned int events, active = 0;
  160. while (1) {
  161. loopcount++;
  162. if (loopcount > 20) {
  163. printk(KERN_ERR "pd6729: infinite eventloop "
  164. "in interrupt\n");
  165. break;
  166. }
  167. active = 0;
  168. for (i = 0; i < MAX_SOCKETS; i++) {
  169. unsigned int csc;
  170. /* card status change register */
  171. csc = indirect_read(&socket[i], I365_CSC);
  172. if (csc == 0) /* no events on this socket */
  173. continue;
  174. handled = 1;
  175. events = 0;
  176. if (csc & I365_CSC_DETECT) {
  177. events |= SS_DETECT;
  178. dprintk("Card detected in socket %i!\n", i);
  179. }
  180. if (indirect_read(&socket[i], I365_INTCTL)
  181. & I365_PC_IOCARD) {
  182. /* For IO/CARDS, bit 0 means "read the card" */
  183. events |= (csc & I365_CSC_STSCHG)
  184. ? SS_STSCHG : 0;
  185. } else {
  186. /* Check for battery/ready events */
  187. events |= (csc & I365_CSC_BVD1)
  188. ? SS_BATDEAD : 0;
  189. events |= (csc & I365_CSC_BVD2)
  190. ? SS_BATWARN : 0;
  191. events |= (csc & I365_CSC_READY)
  192. ? SS_READY : 0;
  193. }
  194. if (events) {
  195. pcmcia_parse_events(&socket[i].socket, events);
  196. }
  197. active |= events;
  198. }
  199. if (active == 0) /* no more events to handle */
  200. break;
  201. }
  202. return IRQ_RETVAL(handled);
  203. }
  204. /* socket functions */
  205. static void pd6729_interrupt_wrapper(unsigned long data)
  206. {
  207. struct pd6729_socket *socket = (struct pd6729_socket *) data;
  208. pd6729_interrupt(0, (void *)socket);
  209. mod_timer(&socket->poll_timer, jiffies + HZ);
  210. }
  211. static int pd6729_get_status(struct pcmcia_socket *sock, u_int *value)
  212. {
  213. struct pd6729_socket *socket
  214. = container_of(sock, struct pd6729_socket, socket);
  215. unsigned int status;
  216. unsigned int data;
  217. struct pd6729_socket *t;
  218. /* Interface Status Register */
  219. status = indirect_read(socket, I365_STATUS);
  220. *value = 0;
  221. if ((status & I365_CS_DETECT) == I365_CS_DETECT) {
  222. *value |= SS_DETECT;
  223. }
  224. /*
  225. * IO cards have a different meaning of bits 0,1
  226. * Also notice the inverse-logic on the bits
  227. */
  228. if (indirect_read(socket, I365_INTCTL) & I365_PC_IOCARD) {
  229. /* IO card */
  230. if (!(status & I365_CS_STSCHG))
  231. *value |= SS_STSCHG;
  232. } else {
  233. /* non I/O card */
  234. if (!(status & I365_CS_BVD1))
  235. *value |= SS_BATDEAD;
  236. if (!(status & I365_CS_BVD2))
  237. *value |= SS_BATWARN;
  238. }
  239. if (status & I365_CS_WRPROT)
  240. *value |= SS_WRPROT; /* card is write protected */
  241. if (status & I365_CS_READY)
  242. *value |= SS_READY; /* card is not busy */
  243. if (status & I365_CS_POWERON)
  244. *value |= SS_POWERON; /* power is applied to the card */
  245. t = (socket->number) ? socket : socket + 1;
  246. indirect_write(t, PD67_EXT_INDEX, PD67_EXTERN_DATA);
  247. data = indirect_read16(t, PD67_EXT_DATA);
  248. *value |= (data & PD67_EXD_VS1(socket->number)) ? 0 : SS_3VCARD;
  249. return 0;
  250. }
  251. static int pd6729_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
  252. {
  253. struct pd6729_socket *socket
  254. = container_of(sock, struct pd6729_socket, socket);
  255. unsigned char reg, data;
  256. /* First, set the global controller options */
  257. indirect_write(socket, I365_GBLCTL, 0x00);
  258. indirect_write(socket, I365_GENCTL, 0x00);
  259. /* Values for the IGENC register */
  260. socket->card_irq = state->io_irq;
  261. reg = 0;
  262. /* The reset bit has "inverse" logic */
  263. if (!(state->flags & SS_RESET))
  264. reg |= I365_PC_RESET;
  265. if (state->flags & SS_IOCARD)
  266. reg |= I365_PC_IOCARD;
  267. /* IGENC, Interrupt and General Control Register */
  268. indirect_write(socket, I365_INTCTL, reg);
  269. /* Power registers */
  270. reg = I365_PWR_NORESET; /* default: disable resetdrv on resume */
  271. if (state->flags & SS_PWR_AUTO) {
  272. dprintk("Auto power\n");
  273. reg |= I365_PWR_AUTO; /* automatic power mngmnt */
  274. }
  275. if (state->flags & SS_OUTPUT_ENA) {
  276. dprintk("Power Enabled\n");
  277. reg |= I365_PWR_OUT; /* enable power */
  278. }
  279. switch (state->Vcc) {
  280. case 0:
  281. break;
  282. case 33:
  283. dprintk("setting voltage to Vcc to 3.3V on socket %i\n",
  284. socket->number);
  285. reg |= I365_VCC_5V;
  286. indirect_setbit(socket, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
  287. break;
  288. case 50:
  289. dprintk("setting voltage to Vcc to 5V on socket %i\n",
  290. socket->number);
  291. reg |= I365_VCC_5V;
  292. indirect_resetbit(socket, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
  293. break;
  294. default:
  295. dprintk("pd6729: pd6729_set_socket called with "
  296. "invalid VCC power value: %i\n",
  297. state->Vcc);
  298. return -EINVAL;
  299. }
  300. switch (state->Vpp) {
  301. case 0:
  302. dprintk("not setting Vpp on socket %i\n", socket->number);
  303. break;
  304. case 33:
  305. case 50:
  306. dprintk("setting Vpp to Vcc for socket %i\n", socket->number);
  307. reg |= I365_VPP1_5V;
  308. break;
  309. case 120:
  310. dprintk("setting Vpp to 12.0\n");
  311. reg |= I365_VPP1_12V;
  312. break;
  313. default:
  314. dprintk("pd6729: pd6729_set_socket called with invalid VPP power value: %i\n",
  315. state->Vpp);
  316. return -EINVAL;
  317. }
  318. /* only write if changed */
  319. if (reg != indirect_read(socket, I365_POWER))
  320. indirect_write(socket, I365_POWER, reg);
  321. if (irq_mode == 1) {
  322. /* all interrupts are to be done as PCI interrupts */
  323. data = PD67_EC1_INV_MGMT_IRQ | PD67_EC1_INV_CARD_IRQ;
  324. } else
  325. data = 0;
  326. indirect_write(socket, PD67_EXT_INDEX, PD67_EXT_CTL_1);
  327. indirect_write(socket, PD67_EXT_DATA, data);
  328. /* Enable specific interrupt events */
  329. reg = 0x00;
  330. if (state->csc_mask & SS_DETECT) {
  331. reg |= I365_CSC_DETECT;
  332. }
  333. if (state->flags & SS_IOCARD) {
  334. if (state->csc_mask & SS_STSCHG)
  335. reg |= I365_CSC_STSCHG;
  336. } else {
  337. if (state->csc_mask & SS_BATDEAD)
  338. reg |= I365_CSC_BVD1;
  339. if (state->csc_mask & SS_BATWARN)
  340. reg |= I365_CSC_BVD2;
  341. if (state->csc_mask & SS_READY)
  342. reg |= I365_CSC_READY;
  343. }
  344. if (irq_mode == 1)
  345. reg |= 0x30; /* management IRQ: PCI INTA# = "irq 3" */
  346. indirect_write(socket, I365_CSCINT, reg);
  347. reg = indirect_read(socket, I365_INTCTL);
  348. if (irq_mode == 1)
  349. reg |= 0x03; /* card IRQ: PCI INTA# = "irq 3" */
  350. else
  351. reg |= socket->card_irq;
  352. indirect_write(socket, I365_INTCTL, reg);
  353. /* now clear the (probably bogus) pending stuff by doing a dummy read */
  354. (void)indirect_read(socket, I365_CSC);
  355. return 0;
  356. }
  357. static int pd6729_set_io_map(struct pcmcia_socket *sock,
  358. struct pccard_io_map *io)
  359. {
  360. struct pd6729_socket *socket
  361. = container_of(sock, struct pd6729_socket, socket);
  362. unsigned char map, ioctl;
  363. map = io->map;
  364. /* Check error conditions */
  365. if (map > 1) {
  366. dprintk("pd6729_set_io_map with invalid map");
  367. return -EINVAL;
  368. }
  369. /* Turn off the window before changing anything */
  370. if (indirect_read(socket, I365_ADDRWIN) & I365_ENA_IO(map))
  371. indirect_resetbit(socket, I365_ADDRWIN, I365_ENA_IO(map));
  372. /* dprintk("set_io_map: Setting range to %x - %x\n",
  373. io->start, io->stop);*/
  374. /* write the new values */
  375. indirect_write16(socket, I365_IO(map)+I365_W_START, io->start);
  376. indirect_write16(socket, I365_IO(map)+I365_W_STOP, io->stop);
  377. ioctl = indirect_read(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map);
  378. if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
  379. if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
  380. if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
  381. indirect_write(socket, I365_IOCTL, ioctl);
  382. /* Turn the window back on if needed */
  383. if (io->flags & MAP_ACTIVE)
  384. indirect_setbit(socket, I365_ADDRWIN, I365_ENA_IO(map));
  385. return 0;
  386. }
  387. static int pd6729_set_mem_map(struct pcmcia_socket *sock,
  388. struct pccard_mem_map *mem)
  389. {
  390. struct pd6729_socket *socket
  391. = container_of(sock, struct pd6729_socket, socket);
  392. unsigned short base, i;
  393. unsigned char map;
  394. map = mem->map;
  395. if (map > 4) {
  396. printk("pd6729_set_mem_map: invalid map");
  397. return -EINVAL;
  398. }
  399. if ((mem->res->start > mem->res->end) || (mem->speed > 1000)) {
  400. printk("pd6729_set_mem_map: invalid address / speed");
  401. return -EINVAL;
  402. }
  403. /* Turn off the window before changing anything */
  404. if (indirect_read(socket, I365_ADDRWIN) & I365_ENA_MEM(map))
  405. indirect_resetbit(socket, I365_ADDRWIN, I365_ENA_MEM(map));
  406. /* write the start address */
  407. base = I365_MEM(map);
  408. i = (mem->res->start >> 12) & 0x0fff;
  409. if (mem->flags & MAP_16BIT)
  410. i |= I365_MEM_16BIT;
  411. if (mem->flags & MAP_0WS)
  412. i |= I365_MEM_0WS;
  413. indirect_write16(socket, base + I365_W_START, i);
  414. /* write the stop address */
  415. i= (mem->res->end >> 12) & 0x0fff;
  416. switch (to_cycles(mem->speed)) {
  417. case 0:
  418. break;
  419. case 1:
  420. i |= I365_MEM_WS0;
  421. break;
  422. case 2:
  423. i |= I365_MEM_WS1;
  424. break;
  425. default:
  426. i |= I365_MEM_WS1 | I365_MEM_WS0;
  427. break;
  428. }
  429. indirect_write16(socket, base + I365_W_STOP, i);
  430. /* Take care of high byte */
  431. indirect_write(socket, PD67_EXT_INDEX, PD67_MEM_PAGE(map));
  432. indirect_write(socket, PD67_EXT_DATA, mem->res->start >> 24);
  433. /* card start */
  434. i = ((mem->card_start - mem->res->start) >> 12) & 0x3fff;
  435. if (mem->flags & MAP_WRPROT)
  436. i |= I365_MEM_WRPROT;
  437. if (mem->flags & MAP_ATTRIB) {
  438. /* dprintk("requesting attribute memory for socket %i\n",
  439. socket->number);*/
  440. i |= I365_MEM_REG;
  441. } else {
  442. /* dprintk("requesting normal memory for socket %i\n",
  443. socket->number);*/
  444. }
  445. indirect_write16(socket, base + I365_W_OFF, i);
  446. /* Enable the window if necessary */
  447. if (mem->flags & MAP_ACTIVE)
  448. indirect_setbit(socket, I365_ADDRWIN, I365_ENA_MEM(map));
  449. return 0;
  450. }
  451. static int pd6729_init(struct pcmcia_socket *sock)
  452. {
  453. int i;
  454. struct resource res = { .end = 0x0fff };
  455. pccard_io_map io = { 0, 0, 0, 0, 1 };
  456. pccard_mem_map mem = { .res = &res, };
  457. pd6729_set_socket(sock, &dead_socket);
  458. for (i = 0; i < 2; i++) {
  459. io.map = i;
  460. pd6729_set_io_map(sock, &io);
  461. }
  462. for (i = 0; i < 5; i++) {
  463. mem.map = i;
  464. pd6729_set_mem_map(sock, &mem);
  465. }
  466. return 0;
  467. }
  468. /* the pccard structure and its functions */
  469. static struct pccard_operations pd6729_operations = {
  470. .init = pd6729_init,
  471. .get_status = pd6729_get_status,
  472. .set_socket = pd6729_set_socket,
  473. .set_io_map = pd6729_set_io_map,
  474. .set_mem_map = pd6729_set_mem_map,
  475. };
  476. static irqreturn_t pd6729_test(int irq, void *dev)
  477. {
  478. dprintk("-> hit on irq %d\n", irq);
  479. return IRQ_HANDLED;
  480. }
  481. static int pd6729_check_irq(int irq)
  482. {
  483. if (request_irq(irq, pd6729_test, IRQF_PROBE_SHARED, "x", pd6729_test)
  484. != 0) return -1;
  485. free_irq(irq, pd6729_test);
  486. return 0;
  487. }
  488. static u_int __devinit pd6729_isa_scan(void)
  489. {
  490. u_int mask0, mask = 0;
  491. int i;
  492. if (irq_mode == 1) {
  493. printk(KERN_INFO "pd6729: PCI card interrupts, "
  494. "PCI status changes\n");
  495. return 0;
  496. }
  497. if (irq_list_count == 0)
  498. mask0 = 0xffff;
  499. else
  500. for (i = mask0 = 0; i < irq_list_count; i++)
  501. mask0 |= (1<<irq_list[i]);
  502. mask0 &= PD67_MASK;
  503. /* just find interrupts that aren't in use */
  504. for (i = 0; i < 16; i++)
  505. if ((mask0 & (1 << i)) && (pd6729_check_irq(i) == 0))
  506. mask |= (1 << i);
  507. printk(KERN_INFO "pd6729: ISA irqs = ");
  508. for (i = 0; i < 16; i++)
  509. if (mask & (1<<i))
  510. printk("%s%d", ((mask & ((1<<i)-1)) ? "," : ""), i);
  511. if (mask == 0) printk("none!");
  512. printk(" polling status changes.\n");
  513. return mask;
  514. }
  515. static int __devinit pd6729_pci_probe(struct pci_dev *dev,
  516. const struct pci_device_id *id)
  517. {
  518. int i, j, ret;
  519. u_int mask;
  520. char configbyte;
  521. struct pd6729_socket *socket;
  522. socket = kzalloc(sizeof(struct pd6729_socket) * MAX_SOCKETS,
  523. GFP_KERNEL);
  524. if (!socket)
  525. return -ENOMEM;
  526. if ((ret = pci_enable_device(dev)))
  527. goto err_out_free_mem;
  528. printk(KERN_INFO "pd6729: Cirrus PD6729 PCI to PCMCIA Bridge "
  529. "at 0x%llx on irq %d\n",
  530. (unsigned long long)pci_resource_start(dev, 0), dev->irq);
  531. /*
  532. * Since we have no memory BARs some firmware may not
  533. * have had PCI_COMMAND_MEMORY enabled, yet the device needs it.
  534. */
  535. pci_read_config_byte(dev, PCI_COMMAND, &configbyte);
  536. if (!(configbyte & PCI_COMMAND_MEMORY)) {
  537. printk(KERN_DEBUG "pd6729: Enabling PCI_COMMAND_MEMORY.\n");
  538. configbyte |= PCI_COMMAND_MEMORY;
  539. pci_write_config_byte(dev, PCI_COMMAND, configbyte);
  540. }
  541. ret = pci_request_regions(dev, "pd6729");
  542. if (ret) {
  543. printk(KERN_INFO "pd6729: pci request region failed.\n");
  544. goto err_out_disable;
  545. }
  546. if (dev->irq == NO_IRQ)
  547. irq_mode = 0; /* fall back to ISA interrupt mode */
  548. mask = pd6729_isa_scan();
  549. if (irq_mode == 0 && mask == 0) {
  550. printk(KERN_INFO "pd6729: no ISA interrupt is available.\n");
  551. goto err_out_free_res;
  552. }
  553. for (i = 0; i < MAX_SOCKETS; i++) {
  554. socket[i].io_base = pci_resource_start(dev, 0);
  555. socket[i].socket.features |= SS_CAP_PAGE_REGS | SS_CAP_PCCARD;
  556. socket[i].socket.map_size = 0x1000;
  557. socket[i].socket.irq_mask = mask;
  558. socket[i].socket.pci_irq = dev->irq;
  559. socket[i].socket.owner = THIS_MODULE;
  560. socket[i].number = i;
  561. socket[i].socket.ops = &pd6729_operations;
  562. socket[i].socket.resource_ops = &pccard_nonstatic_ops;
  563. socket[i].socket.dev.parent = &dev->dev;
  564. socket[i].socket.driver_data = &socket[i];
  565. }
  566. pci_set_drvdata(dev, socket);
  567. if (irq_mode == 1) {
  568. /* Register the interrupt handler */
  569. if ((ret = request_irq(dev->irq, pd6729_interrupt, IRQF_SHARED,
  570. "pd6729", socket))) {
  571. printk(KERN_ERR "pd6729: Failed to register irq %d, "
  572. "aborting\n", dev->irq);
  573. goto err_out_free_res;
  574. }
  575. } else {
  576. /* poll Card status change */
  577. init_timer(&socket->poll_timer);
  578. socket->poll_timer.function = pd6729_interrupt_wrapper;
  579. socket->poll_timer.data = (unsigned long)socket;
  580. socket->poll_timer.expires = jiffies + HZ;
  581. add_timer(&socket->poll_timer);
  582. }
  583. for (i = 0; i < MAX_SOCKETS; i++) {
  584. ret = pcmcia_register_socket(&socket[i].socket);
  585. if (ret) {
  586. printk(KERN_INFO "pd6729: pcmcia_register_socket "
  587. "failed.\n");
  588. for (j = 0; j < i ; j++)
  589. pcmcia_unregister_socket(&socket[j].socket);
  590. goto err_out_free_res2;
  591. }
  592. }
  593. return 0;
  594. err_out_free_res2:
  595. if (irq_mode == 1)
  596. free_irq(dev->irq, socket);
  597. else
  598. del_timer_sync(&socket->poll_timer);
  599. err_out_free_res:
  600. pci_release_regions(dev);
  601. err_out_disable:
  602. pci_disable_device(dev);
  603. err_out_free_mem:
  604. kfree(socket);
  605. return ret;
  606. }
  607. static void __devexit pd6729_pci_remove(struct pci_dev *dev)
  608. {
  609. int i;
  610. struct pd6729_socket *socket = pci_get_drvdata(dev);
  611. for (i = 0; i < MAX_SOCKETS; i++) {
  612. /* Turn off all interrupt sources */
  613. indirect_write(&socket[i], I365_CSCINT, 0);
  614. indirect_write(&socket[i], I365_INTCTL, 0);
  615. pcmcia_unregister_socket(&socket[i].socket);
  616. }
  617. if (irq_mode == 1)
  618. free_irq(dev->irq, socket);
  619. else
  620. del_timer_sync(&socket->poll_timer);
  621. pci_release_regions(dev);
  622. pci_disable_device(dev);
  623. kfree(socket);
  624. }
  625. #ifdef CONFIG_PM
  626. static int pd6729_socket_suspend(struct pci_dev *dev, pm_message_t state)
  627. {
  628. return pcmcia_socket_dev_suspend(&dev->dev, state);
  629. }
  630. static int pd6729_socket_resume(struct pci_dev *dev)
  631. {
  632. return pcmcia_socket_dev_resume(&dev->dev);
  633. }
  634. #endif
  635. static struct pci_device_id pd6729_pci_ids[] = {
  636. {
  637. .vendor = PCI_VENDOR_ID_CIRRUS,
  638. .device = PCI_DEVICE_ID_CIRRUS_6729,
  639. .subvendor = PCI_ANY_ID,
  640. .subdevice = PCI_ANY_ID,
  641. },
  642. { }
  643. };
  644. MODULE_DEVICE_TABLE(pci, pd6729_pci_ids);
  645. static struct pci_driver pd6729_pci_drv = {
  646. .name = "pd6729",
  647. .id_table = pd6729_pci_ids,
  648. .probe = pd6729_pci_probe,
  649. .remove = __devexit_p(pd6729_pci_remove),
  650. #ifdef CONFIG_PM
  651. .suspend = pd6729_socket_suspend,
  652. .resume = pd6729_socket_resume,
  653. #endif
  654. };
  655. static int pd6729_module_init(void)
  656. {
  657. return pci_register_driver(&pd6729_pci_drv);
  658. }
  659. static void pd6729_module_exit(void)
  660. {
  661. pci_unregister_driver(&pd6729_pci_drv);
  662. }
  663. module_init(pd6729_module_init);
  664. module_exit(pd6729_module_exit);