blob: 0075bd7162ed1d3c5bd3816b2cb447a5b3b3e34f [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * drivers/pcmcia/m32r_cfc.c
3 *
4 * Device driver for the CFC functionality of M32R.
5 *
6 * Copyright (c) 2001, 2002, 2003, 2004
7 * Hiroyuki Kondo, Naoto Sugai, Hayato Fujiwara
8 */
9
10#include <linux/module.h>
11#include <linux/moduleparam.h>
12#include <linux/init.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070013#include <linux/types.h>
14#include <linux/fcntl.h>
15#include <linux/string.h>
16#include <linux/kernel.h>
17#include <linux/errno.h>
18#include <linux/timer.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#include <linux/ioport.h>
20#include <linux/delay.h>
21#include <linux/workqueue.h>
22#include <linux/interrupt.h>
Russell Kingd052d1b2005-10-29 19:07:23 +010023#include <linux/platform_device.h>
Hirokazu Takata934bb7f2005-06-21 17:16:14 -070024#include <linux/bitops.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070025#include <asm/irq.h>
26#include <asm/io.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070027
Linus Torvalds1da177e2005-04-16 15:20:36 -070028#include <pcmcia/ss.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
30#undef MAX_IO_WIN /* FIXME */
31#define MAX_IO_WIN 1
32#undef MAX_WIN /* FIXME */
33#define MAX_WIN 1
34
35#include "m32r_cfc.h"
36
Linus Torvalds1da177e2005-04-16 15:20:36 -070037/* Poll status interval -- 0 means default to interrupt */
38static int poll_interval = 0;
39
40typedef enum pcc_space { as_none = 0, as_comm, as_attr, as_io } pcc_as_t;
41
42typedef struct pcc_socket {
43 u_short type, flags;
44 struct pcmcia_socket socket;
45 unsigned int number;
Olof Johansson906da802008-02-04 22:27:35 -080046 unsigned int ioaddr;
Linus Torvalds1da177e2005-04-16 15:20:36 -070047 u_long mapaddr;
48 u_long base; /* PCC register base */
49 u_char cs_irq1, cs_irq2, intr;
50 pccard_io_map io_map[MAX_IO_WIN];
51 pccard_mem_map mem_map[MAX_WIN];
52 u_char io_win;
53 u_char mem_win;
54 pcc_as_t current_space;
55 u_char last_iodbex;
56#ifdef CONFIG_PROC_FS
57 struct proc_dir_entry *proc;
58#endif
59} pcc_socket_t;
60
61static int pcc_sockets = 0;
62static pcc_socket_t socket[M32R_MAX_PCC] = {
63 { 0, }, /* ... */
64};
65
66/*====================================================================*/
67
68static unsigned int pcc_get(u_short, unsigned int);
69static void pcc_set(u_short, unsigned int , unsigned int );
70
71static DEFINE_SPINLOCK(pcc_lock);
72
73#if !defined(CONFIG_PLAT_USRV)
74static inline u_long pcc_port2addr(unsigned long port, int size) {
75 u_long addr = 0;
76 u_long odd;
77
78 if (size == 1) { /* byte access */
79 odd = (port&1) << 11;
80 port -= port & 1;
81 addr = CFC_IO_MAPBASE_BYTE - CFC_IOPORT_BASE + odd + port;
82 } else if (size == 2)
83 addr = CFC_IO_MAPBASE_WORD - CFC_IOPORT_BASE + port;
84
85 return addr;
86}
87#else /* CONFIG_PLAT_USRV */
88static inline u_long pcc_port2addr(unsigned long port, int size) {
89 u_long odd;
90 u_long addr = ((port - CFC_IOPORT_BASE) & 0xf000) << 8;
91
92 if (size == 1) { /* byte access */
93 odd = port & 1;
94 port -= odd;
95 odd <<= 11;
96 addr = (addr | CFC_IO_MAPBASE_BYTE) + odd + (port & 0xfff);
97 } else if (size == 2) /* word access */
98 addr = (addr | CFC_IO_MAPBASE_WORD) + (port & 0xfff);
99
100 return addr;
101}
102#endif /* CONFIG_PLAT_USRV */
103
104void pcc_ioread_byte(int sock, unsigned long port, void *buf, size_t size,
105 size_t nmemb, int flag)
106{
107 u_long addr;
108 unsigned char *bp = (unsigned char *)buf;
109 unsigned long flags;
110
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200111 pr_debug("m32r_cfc: pcc_ioread_byte: sock=%d, port=%#lx, buf=%p, "
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112 "size=%u, nmemb=%d, flag=%d\n",
113 sock, port, buf, size, nmemb, flag);
114
115 addr = pcc_port2addr(port, 1);
116 if (!addr) {
117 printk("m32r_cfc:ioread_byte null port :%#lx\n",port);
118 return;
119 }
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200120 pr_debug("m32r_cfc: pcc_ioread_byte: addr=%#lx\n", addr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121
122 spin_lock_irqsave(&pcc_lock, flags);
123 /* read Byte */
124 while (nmemb--)
125 *bp++ = readb(addr);
126 spin_unlock_irqrestore(&pcc_lock, flags);
127}
128
129void pcc_ioread_word(int sock, unsigned long port, void *buf, size_t size,
130 size_t nmemb, int flag)
131{
132 u_long addr;
133 unsigned short *bp = (unsigned short *)buf;
134 unsigned long flags;
135
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200136 pr_debug("m32r_cfc: pcc_ioread_word: sock=%d, port=%#lx, "
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137 "buf=%p, size=%u, nmemb=%d, flag=%d\n",
138 sock, port, buf, size, nmemb, flag);
139
140 if (size != 2)
141 printk("m32r_cfc: ioread_word :illigal size %u : %#lx\n", size,
142 port);
143 if (size == 9)
144 printk("m32r_cfc: ioread_word :insw \n");
145
146 addr = pcc_port2addr(port, 2);
147 if (!addr) {
148 printk("m32r_cfc:ioread_word null port :%#lx\n",port);
149 return;
150 }
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200151 pr_debug("m32r_cfc: pcc_ioread_word: addr=%#lx\n", addr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152
153 spin_lock_irqsave(&pcc_lock, flags);
154 /* read Word */
155 while (nmemb--)
156 *bp++ = readw(addr);
157 spin_unlock_irqrestore(&pcc_lock, flags);
158}
159
160void pcc_iowrite_byte(int sock, unsigned long port, void *buf, size_t size,
161 size_t nmemb, int flag)
162{
163 u_long addr;
164 unsigned char *bp = (unsigned char *)buf;
165 unsigned long flags;
166
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200167 pr_debug("m32r_cfc: pcc_iowrite_byte: sock=%d, port=%#lx, "
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168 "buf=%p, size=%u, nmemb=%d, flag=%d\n",
169 sock, port, buf, size, nmemb, flag);
170
171 /* write Byte */
172 addr = pcc_port2addr(port, 1);
173 if (!addr) {
174 printk("m32r_cfc:iowrite_byte null port:%#lx\n",port);
175 return;
176 }
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200177 pr_debug("m32r_cfc: pcc_iowrite_byte: addr=%#lx\n", addr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178
179 spin_lock_irqsave(&pcc_lock, flags);
180 while (nmemb--)
181 writeb(*bp++, addr);
182 spin_unlock_irqrestore(&pcc_lock, flags);
183}
184
185void pcc_iowrite_word(int sock, unsigned long port, void *buf, size_t size,
186 size_t nmemb, int flag)
187{
188 u_long addr;
189 unsigned short *bp = (unsigned short *)buf;
190 unsigned long flags;
191
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200192 pr_debug("m32r_cfc: pcc_iowrite_word: sock=%d, port=%#lx, "
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193 "buf=%p, size=%u, nmemb=%d, flag=%d\n",
194 sock, port, buf, size, nmemb, flag);
195
196 if(size != 2)
197 printk("m32r_cfc: iowrite_word :illigal size %u : %#lx\n",
198 size, port);
199 if(size == 9)
200 printk("m32r_cfc: iowrite_word :outsw \n");
201
202 addr = pcc_port2addr(port, 2);
203 if (!addr) {
204 printk("m32r_cfc:iowrite_word null addr :%#lx\n",port);
205 return;
206 }
207#if 1
208 if (addr & 1) {
209 printk("m32r_cfc:iowrite_word port addr (%#lx):%#lx\n", port,
210 addr);
211 return;
212 }
213#endif
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200214 pr_debug("m32r_cfc: pcc_iowrite_word: addr=%#lx\n", addr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700215
216 spin_lock_irqsave(&pcc_lock, flags);
217 while (nmemb--)
218 writew(*bp++, addr);
219 spin_unlock_irqrestore(&pcc_lock, flags);
220}
221
222/*====================================================================*/
223
224#define IS_REGISTERED 0x2000
225#define IS_ALIVE 0x8000
226
227typedef struct pcc_t {
228 char *name;
229 u_short flags;
230} pcc_t;
231
232static pcc_t pcc[] = {
233#if !defined(CONFIG_PLAT_USRV)
234 { "m32r_cfc", 0 }, { "", 0 },
235#else /* CONFIG_PLAT_USRV */
236 { "m32r_cfc", 0 }, { "m32r_cfc", 0 }, { "m32r_cfc", 0 },
237 { "m32r_cfc", 0 }, { "m32r_cfc", 0 }, { "", 0 },
238#endif /* CONFIG_PLAT_USRV */
239};
240
David Howells7d12e782006-10-05 14:55:46 +0100241static irqreturn_t pcc_interrupt(int, void *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700242
243/*====================================================================*/
244
245static struct timer_list poll_timer;
246
247static unsigned int pcc_get(u_short sock, unsigned int reg)
248{
249 unsigned int val = inw(reg);
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200250 pr_debug("m32r_cfc: pcc_get: reg(0x%08x)=0x%04x\n", reg, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700251 return val;
252}
253
254
255static void pcc_set(u_short sock, unsigned int reg, unsigned int data)
256{
257 outw(data, reg);
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200258 pr_debug("m32r_cfc: pcc_set: reg(0x%08x)=0x%04x\n", reg, data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700259}
260
261/*======================================================================
262
263 See if a card is present, powered up, in IO mode, and already
264 bound to a (non PC Card) Linux driver. We leave these alone.
265
266 We make an exception for cards that seem to be serial devices.
267
268======================================================================*/
269
270static int __init is_alive(u_short sock)
271{
272 unsigned int stat;
273
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200274 pr_debug("m32r_cfc: is_alive:\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700275
276 printk("CF: ");
277 stat = pcc_get(sock, (unsigned int)PLD_CFSTS);
278 if (!stat)
279 printk("No ");
280 printk("Card is detected at socket %d : stat = 0x%08x\n", sock, stat);
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200281 pr_debug("m32r_cfc: is_alive: sock stat is 0x%04x\n", stat);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700282
283 return 0;
284}
285
Olof Johansson906da802008-02-04 22:27:35 -0800286static void add_pcc_socket(ulong base, int irq, ulong mapaddr,
287 unsigned int ioaddr)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700288{
289 pcc_socket_t *t = &socket[pcc_sockets];
290
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200291 pr_debug("m32r_cfc: add_pcc_socket: base=%#lx, irq=%d, "
Linus Torvalds1da177e2005-04-16 15:20:36 -0700292 "mapaddr=%#lx, ioaddr=%08x\n",
293 base, irq, mapaddr, ioaddr);
294
295 /* add sockets */
296 t->ioaddr = ioaddr;
297 t->mapaddr = mapaddr;
298#if !defined(CONFIG_PLAT_USRV)
299 t->base = 0;
300 t->flags = 0;
301 t->cs_irq1 = irq; // insert irq
302 t->cs_irq2 = irq + 1; // eject irq
303#else /* CONFIG_PLAT_USRV */
304 t->base = base;
305 t->flags = 0;
306 t->cs_irq1 = 0; // insert irq
307 t->cs_irq2 = 0; // eject irq
308#endif /* CONFIG_PLAT_USRV */
309
310 if (is_alive(pcc_sockets))
311 t->flags |= IS_ALIVE;
312
313 /* add pcc */
314#if !defined(CONFIG_PLAT_USRV)
315 request_region((unsigned int)PLD_CFRSTCR, 0x20, "m32r_cfc");
316#else /* CONFIG_PLAT_USRV */
317 {
318 unsigned int reg_base;
319
320 reg_base = (unsigned int)PLD_CFRSTCR;
321 reg_base |= pcc_sockets << 8;
322 request_region(reg_base, 0x20, "m32r_cfc");
323 }
324#endif /* CONFIG_PLAT_USRV */
325 printk(KERN_INFO " %s ", pcc[pcc_sockets].name);
326 printk("pcc at 0x%08lx\n", t->base);
327
328 /* Update socket interrupt information, capabilities */
329 t->socket.features |= (SS_CAP_PCCARD | SS_CAP_STATIC_MAP);
330 t->socket.map_size = M32R_PCC_MAPSIZE;
331 t->socket.io_offset = ioaddr; /* use for io access offset */
332 t->socket.irq_mask = 0;
333#if !defined(CONFIG_PLAT_USRV)
334 t->socket.pci_irq = PLD_IRQ_CFIREQ ; /* card interrupt */
335#else /* CONFIG_PLAT_USRV */
336 t->socket.pci_irq = PLD_IRQ_CF0 + pcc_sockets;
337#endif /* CONFIG_PLAT_USRV */
338
339#ifndef CONFIG_PLAT_USRV
340 /* insert interrupt */
341 request_irq(irq, pcc_interrupt, 0, "m32r_cfc", pcc_interrupt);
Hirokazu Takataad09d582005-11-28 13:44:00 -0800342#ifndef CONFIG_PLAT_MAPPI3
Linus Torvalds1da177e2005-04-16 15:20:36 -0700343 /* eject interrupt */
344 request_irq(irq+1, pcc_interrupt, 0, "m32r_cfc", pcc_interrupt);
Hirokazu Takataad09d582005-11-28 13:44:00 -0800345#endif
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200346 pr_debug("m32r_cfc: enable CFMSK, RDYSEL\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700347 pcc_set(pcc_sockets, (unsigned int)PLD_CFIMASK, 0x01);
348#endif /* CONFIG_PLAT_USRV */
349#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT)
350 pcc_set(pcc_sockets, (unsigned int)PLD_CFCR1, 0x0200);
351#endif
352 pcc_sockets++;
353
354 return;
355}
356
357
358/*====================================================================*/
359
David Howells7d12e782006-10-05 14:55:46 +0100360static irqreturn_t pcc_interrupt(int irq, void *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700361{
362 int i;
363 u_int events = 0;
364 int handled = 0;
365
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200366 pr_debug("m32r_cfc: pcc_interrupt: irq=%d, dev=%p\n", irq, dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700367 for (i = 0; i < pcc_sockets; i++) {
368 if (socket[i].cs_irq1 != irq && socket[i].cs_irq2 != irq)
369 continue;
370
371 handled = 1;
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200372 pr_debug("m32r_cfc: pcc_interrupt: socket %d irq 0x%02x ",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700373 i, irq);
374 events |= SS_DETECT; /* insert or eject */
375 if (events)
376 pcmcia_parse_events(&socket[i].socket, events);
377 }
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200378 pr_debug("m32r_cfc: pcc_interrupt: done\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700379
380 return IRQ_RETVAL(handled);
381} /* pcc_interrupt */
382
383static void pcc_interrupt_wrapper(u_long data)
384{
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200385 pr_debug("m32r_cfc: pcc_interrupt_wrapper:\n");
Adrian Bunk1dd997f2006-12-02 18:55:06 +0100386 pcc_interrupt(0, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700387 init_timer(&poll_timer);
388 poll_timer.expires = jiffies + poll_interval;
389 add_timer(&poll_timer);
390}
391
392/*====================================================================*/
393
394static int _pcc_get_status(u_short sock, u_int *value)
395{
396 u_int status;
397
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200398 pr_debug("m32r_cfc: _pcc_get_status:\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700399 status = pcc_get(sock, (unsigned int)PLD_CFSTS);
400 *value = (status) ? SS_DETECT : 0;
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200401 pr_debug("m32r_cfc: _pcc_get_status: status=0x%08x\n", status);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700402
403#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT)
404 if ( status ) {
405 /* enable CF power */
406 status = inw((unsigned int)PLD_CPCR);
407 if (!(status & PLD_CPCR_CF)) {
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200408 pr_debug("m32r_cfc: _pcc_get_status: "
Linus Torvalds1da177e2005-04-16 15:20:36 -0700409 "power on (CPCR=0x%08x)\n", status);
410 status |= PLD_CPCR_CF;
411 outw(status, (unsigned int)PLD_CPCR);
412 udelay(100);
413 }
414 *value |= SS_POWERON;
415
416 pcc_set(sock, (unsigned int)PLD_CFBUFCR,0);/* enable buffer */
417 udelay(100);
418
419 *value |= SS_READY; /* always ready */
420 *value |= SS_3VCARD;
421 } else {
422 /* disable CF power */
423 status = inw((unsigned int)PLD_CPCR);
424 status &= ~PLD_CPCR_CF;
425 outw(status, (unsigned int)PLD_CPCR);
426 udelay(100);
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200427 pr_debug("m32r_cfc: _pcc_get_status: "
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428 "power off (CPCR=0x%08x)\n", status);
429 }
Hirokazu Takata934bb7f2005-06-21 17:16:14 -0700430#elif defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700431 if ( status ) {
432 status = pcc_get(sock, (unsigned int)PLD_CPCR);
433 if (status == 0) { /* power off */
434 pcc_set(sock, (unsigned int)PLD_CPCR, 1);
435 pcc_set(sock, (unsigned int)PLD_CFBUFCR,0); /* force buffer off for ZA-36 */
436 udelay(50);
437 }
Hirokazu Takata934bb7f2005-06-21 17:16:14 -0700438 *value |= SS_POWERON;
439
440 pcc_set(sock, (unsigned int)PLD_CFBUFCR,0);
441 udelay(50);
442 pcc_set(sock, (unsigned int)PLD_CFRSTCR, 0x0101);
443 udelay(25); /* for IDE reset */
444 pcc_set(sock, (unsigned int)PLD_CFRSTCR, 0x0100);
445 mdelay(2); /* for IDE reset */
446
447 *value |= SS_READY;
448 *value |= SS_3VCARD;
449 } else {
450 /* disable CF power */
451 pcc_set(sock, (unsigned int)PLD_CPCR, 0);
452 udelay(100);
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200453 pr_debug("m32r_cfc: _pcc_get_status: "
Hirokazu Takata934bb7f2005-06-21 17:16:14 -0700454 "power off (CPCR=0x%08x)\n", status);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700455 }
456#else
457#error no platform configuration
458#endif
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200459 pr_debug("m32r_cfc: _pcc_get_status: GetStatus(%d) = %#4.4x\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700460 sock, *value);
461 return 0;
462} /* _get_status */
463
464/*====================================================================*/
465
Linus Torvalds1da177e2005-04-16 15:20:36 -0700466static int _pcc_set_socket(u_short sock, socket_state_t *state)
467{
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200468 pr_debug("m32r_cfc: SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
Linus Torvalds1da177e2005-04-16 15:20:36 -0700469 "io_irq %d, csc_mask %#2.2x)\n", sock, state->flags,
470 state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
471
Hirokazu Takata934bb7f2005-06-21 17:16:14 -0700472#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT) || defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700473 if (state->Vcc) {
474 if ((state->Vcc != 50) && (state->Vcc != 33))
475 return -EINVAL;
476 /* accept 5V and 3.3V */
477 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700478#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700479 if (state->flags & SS_RESET) {
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200480 pr_debug(":RESET\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700481 pcc_set(sock,(unsigned int)PLD_CFRSTCR,0x101);
482 }else{
483 pcc_set(sock,(unsigned int)PLD_CFRSTCR,0x100);
484 }
485 if (state->flags & SS_OUTPUT_ENA){
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200486 pr_debug(":OUTPUT_ENA\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700487 /* bit clear */
488 pcc_set(sock,(unsigned int)PLD_CFBUFCR,0);
489 } else {
490 pcc_set(sock,(unsigned int)PLD_CFBUFCR,1);
491 }
492
Linus Torvalds1da177e2005-04-16 15:20:36 -0700493 if(state->flags & SS_IOCARD){
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200494 pr_debug(":IOCARD");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700495 }
496 if (state->flags & SS_PWR_AUTO) {
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200497 pr_debug(":PWR_AUTO");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700498 }
499 if (state->csc_mask & SS_DETECT)
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200500 pr_debug(":csc-SS_DETECT");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700501 if (state->flags & SS_IOCARD) {
502 if (state->csc_mask & SS_STSCHG)
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200503 pr_debug(":STSCHG");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700504 } else {
505 if (state->csc_mask & SS_BATDEAD)
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200506 pr_debug(":BATDEAD");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700507 if (state->csc_mask & SS_BATWARN)
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200508 pr_debug(":BATWARN");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700509 if (state->csc_mask & SS_READY)
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200510 pr_debug(":READY");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700511 }
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200512 pr_debug("\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700513 return 0;
514} /* _set_socket */
515
516/*====================================================================*/
517
518static int _pcc_set_io_map(u_short sock, struct pccard_io_map *io)
519{
520 u_char map;
521
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200522 pr_debug("m32r_cfc: SetIOMap(%d, %d, %#2.2x, %d ns, "
Wolfram Sang5f784332009-10-19 11:42:13 +0200523 "%#llx-%#llx)\n", sock, io->map, io->flags,
524 io->speed, (unsigned long long)io->start,
525 (unsigned long long)io->stop);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700526 map = io->map;
527
528 return 0;
529} /* _set_io_map */
530
531/*====================================================================*/
532
533static int _pcc_set_mem_map(u_short sock, struct pccard_mem_map *mem)
534{
535
536 u_char map = mem->map;
537 u_long addr;
538 pcc_socket_t *t = &socket[sock];
539
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200540 pr_debug("m32r_cfc: SetMemMap(%d, %d, %#2.2x, %d ns, "
Wolfram Sang5f784332009-10-19 11:42:13 +0200541 "%#llx, %#x)\n", sock, map, mem->flags,
542 mem->speed, (unsigned long long)mem->static_start,
543 mem->card_start);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700544
545 /*
546 * sanity check
547 */
548 if ((map > MAX_WIN) || (mem->card_start > 0x3ffffff)){
549 return -EINVAL;
550 }
551
552 /*
553 * de-activate
554 */
555 if ((mem->flags & MAP_ACTIVE) == 0) {
556 t->current_space = as_none;
557 return 0;
558 }
559
560 /*
561 * Set mode
562 */
563 if (mem->flags & MAP_ATTRIB) {
564 t->current_space = as_attr;
565 } else {
566 t->current_space = as_comm;
567 }
568
569 /*
570 * Set address
571 */
572 addr = t->mapaddr + (mem->card_start & M32R_PCC_MAPMASK);
573 mem->static_start = addr + mem->card_start;
574
575 return 0;
576
577} /* _set_mem_map */
578
579#if 0 /* driver model ordering issue */
580/*======================================================================
581
582 Routines for accessing socket information and register dumps via
583 /proc/bus/pccard/...
584
585======================================================================*/
586
587static ssize_t show_info(struct class_device *class_dev, char *buf)
588{
589 pcc_socket_t *s = container_of(class_dev, struct pcc_socket,
590 socket.dev);
591
592 return sprintf(buf, "type: %s\nbase addr: 0x%08lx\n",
593 pcc[s->type].name, s->base);
594}
595
596static ssize_t show_exca(struct class_device *class_dev, char *buf)
597{
598 /* FIXME */
599
600 return 0;
601}
602
603static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL);
604static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL);
605#endif
606
607/*====================================================================*/
608
609/* this is horribly ugly... proper locking needs to be done here at
610 * some time... */
611#define LOCKED(x) do { \
612 int retval; \
613 unsigned long flags; \
614 spin_lock_irqsave(&pcc_lock, flags); \
615 retval = x; \
616 spin_unlock_irqrestore(&pcc_lock, flags); \
617 return retval; \
618} while (0)
619
620
621static int pcc_get_status(struct pcmcia_socket *s, u_int *value)
622{
623 unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
624
625 if (socket[sock].flags & IS_ALIVE) {
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200626 dev_dbg(&s->dev, "pcc_get_status: sock(%d) -EINVAL\n", sock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700627 *value = 0;
628 return -EINVAL;
629 }
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200630 dev_dbg(&s->dev, "pcc_get_status: sock(%d)\n", sock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700631 LOCKED(_pcc_get_status(sock, value));
632}
633
Linus Torvalds1da177e2005-04-16 15:20:36 -0700634static int pcc_set_socket(struct pcmcia_socket *s, socket_state_t *state)
635{
636 unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
637
638 if (socket[sock].flags & IS_ALIVE) {
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200639 dev_dbg(&s->dev, "pcc_set_socket: sock(%d) -EINVAL\n", sock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700640 return -EINVAL;
641 }
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200642 dev_dbg(&s->dev, "pcc_set_socket: sock(%d)\n", sock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700643 LOCKED(_pcc_set_socket(sock, state));
644}
645
646static int pcc_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
647{
648 unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
649
650 if (socket[sock].flags & IS_ALIVE) {
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200651 dev_dbg(&s->dev, "pcc_set_io_map: sock(%d) -EINVAL\n", sock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700652 return -EINVAL;
653 }
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200654 dev_dbg(&s->dev, "pcc_set_io_map: sock(%d)\n", sock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700655 LOCKED(_pcc_set_io_map(sock, io));
656}
657
658static int pcc_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem)
659{
660 unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
661
662 if (socket[sock].flags & IS_ALIVE) {
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200663 dev_dbg(&s->dev, "pcc_set_mem_map: sock(%d) -EINVAL\n", sock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700664 return -EINVAL;
665 }
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200666 dev_dbg(&s->dev, "pcc_set_mem_map: sock(%d)\n", sock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700667 LOCKED(_pcc_set_mem_map(sock, mem));
668}
669
670static int pcc_init(struct pcmcia_socket *s)
671{
Dominik Brodowskic9f50dd2009-10-23 12:56:46 +0200672 dev_dbg(&s->dev, "pcc_init()\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700673 return 0;
674}
675
676static struct pccard_operations pcc_operations = {
677 .init = pcc_init,
678 .get_status = pcc_get_status,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700679 .set_socket = pcc_set_socket,
680 .set_io_map = pcc_set_io_map,
681 .set_mem_map = pcc_set_mem_map,
682};
683
Ming Lei7a192ec2009-02-06 23:40:12 +0800684
Linus Torvalds1da177e2005-04-16 15:20:36 -0700685/*====================================================================*/
686
Ming Lei7a192ec2009-02-06 23:40:12 +0800687static struct platform_driver pcc_driver = {
688 .driver = {
689 .name = "cfc",
Ming Lei7a192ec2009-02-06 23:40:12 +0800690 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700691};
692
693static struct platform_device pcc_device = {
694 .name = "cfc",
695 .id = 0,
696};
697
698/*====================================================================*/
699
700static int __init init_m32r_pcc(void)
701{
702 int i, ret;
703
Ming Lei7a192ec2009-02-06 23:40:12 +0800704 ret = platform_driver_register(&pcc_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700705 if (ret)
706 return ret;
707
708 ret = platform_device_register(&pcc_device);
709 if (ret){
Ming Lei7a192ec2009-02-06 23:40:12 +0800710 platform_driver_unregister(&pcc_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700711 return ret;
712 }
713
Hirokazu Takata934bb7f2005-06-21 17:16:14 -0700714#if defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700715 pcc_set(0, (unsigned int)PLD_CFCR0, 0x0f0f);
716 pcc_set(0, (unsigned int)PLD_CFCR1, 0x0200);
717#endif
718
719 pcc_sockets = 0;
720
721#if !defined(CONFIG_PLAT_USRV)
722 add_pcc_socket(M32R_PCC0_BASE, PLD_IRQ_CFC_INSERT, CFC_ATTR_MAPBASE,
723 CFC_IOPORT_BASE);
724#else /* CONFIG_PLAT_USRV */
725 {
726 ulong base, mapaddr;
Olof Johansson906da802008-02-04 22:27:35 -0800727 unsigned int ioaddr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700728
729 for (i = 0 ; i < M32R_MAX_PCC ; i++) {
730 base = (ulong)PLD_CFRSTCR;
731 base = base | (i << 8);
732 ioaddr = (i + 1) << 12;
733 mapaddr = CFC_ATTR_MAPBASE | (i << 20);
734 add_pcc_socket(base, 0, mapaddr, ioaddr);
735 }
736 }
737#endif /* CONFIG_PLAT_USRV */
738
739 if (pcc_sockets == 0) {
740 printk("socket is not found.\n");
741 platform_device_unregister(&pcc_device);
Ming Lei7a192ec2009-02-06 23:40:12 +0800742 platform_driver_unregister(&pcc_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700743 return -ENODEV;
744 }
745
746 /* Set up interrupt handler(s) */
747
748 for (i = 0 ; i < pcc_sockets ; i++) {
Manuel Laussdfe461a2007-02-21 14:47:20 +0100749 socket[i].socket.dev.parent = &pcc_device.dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700750 socket[i].socket.ops = &pcc_operations;
Dominik Brodowskia7eb1692010-01-06 12:18:13 +0100751 socket[i].socket.resource_ops = &pccard_static_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700752 socket[i].socket.owner = THIS_MODULE;
753 socket[i].number = i;
754 ret = pcmcia_register_socket(&socket[i].socket);
755 if (!ret)
756 socket[i].flags |= IS_REGISTERED;
757
758#if 0 /* driver model ordering issue */
759 class_device_create_file(&socket[i].socket.dev,
760 &class_device_attr_info);
761 class_device_create_file(&socket[i].socket.dev,
762 &class_device_attr_exca);
763#endif
764 }
765
766 /* Finally, schedule a polling interrupt */
767 if (poll_interval != 0) {
768 poll_timer.function = pcc_interrupt_wrapper;
769 poll_timer.data = 0;
770 init_timer(&poll_timer);
771 poll_timer.expires = jiffies + poll_interval;
772 add_timer(&poll_timer);
773 }
774
775 return 0;
776} /* init_m32r_pcc */
777
778static void __exit exit_m32r_pcc(void)
779{
780 int i;
781
782 for (i = 0; i < pcc_sockets; i++)
783 if (socket[i].flags & IS_REGISTERED)
784 pcmcia_unregister_socket(&socket[i].socket);
785
786 platform_device_unregister(&pcc_device);
787 if (poll_interval != 0)
788 del_timer_sync(&poll_timer);
789
Ming Lei7a192ec2009-02-06 23:40:12 +0800790 platform_driver_unregister(&pcc_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700791} /* exit_m32r_pcc */
792
793module_init(init_m32r_pcc);
794module_exit(exit_m32r_pcc);
795MODULE_LICENSE("Dual MPL/GPL");
796/*====================================================================*/