Commit | Line | Data |
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1da177e4 LT |
1 | /* |
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> | |
13 | #include <linux/config.h> | |
14 | #include <linux/types.h> | |
15 | #include <linux/fcntl.h> | |
16 | #include <linux/string.h> | |
17 | #include <linux/kernel.h> | |
18 | #include <linux/errno.h> | |
19 | #include <linux/timer.h> | |
20 | #include <linux/sched.h> | |
21 | #include <linux/slab.h> | |
22 | #include <linux/ioport.h> | |
23 | #include <linux/delay.h> | |
24 | #include <linux/workqueue.h> | |
25 | #include <linux/interrupt.h> | |
26 | #include <linux/device.h> | |
934bb7f8 | 27 | #include <linux/bitops.h> |
1da177e4 LT |
28 | #include <asm/irq.h> |
29 | #include <asm/io.h> | |
1da177e4 LT |
30 | #include <asm/system.h> |
31 | ||
1da177e4 LT |
32 | #include <pcmcia/cs_types.h> |
33 | #include <pcmcia/ss.h> | |
34 | #include <pcmcia/cs.h> | |
35 | ||
36 | #undef MAX_IO_WIN /* FIXME */ | |
37 | #define MAX_IO_WIN 1 | |
38 | #undef MAX_WIN /* FIXME */ | |
39 | #define MAX_WIN 1 | |
40 | ||
41 | #include "m32r_cfc.h" | |
42 | ||
43 | #ifdef DEBUG | |
44 | static int m32r_cfc_debug; | |
45 | module_param(m32r_cfc_debug, int, 0644); | |
46 | #define debug(lvl, fmt, arg...) do { \ | |
47 | if (m32r_cfc_debug > (lvl)) \ | |
48 | printk(KERN_DEBUG "m32r_cfc: " fmt , ## arg); \ | |
49 | } while (0) | |
50 | #else | |
51 | #define debug(n, args...) do { } while (0) | |
52 | #endif | |
53 | ||
54 | /* Poll status interval -- 0 means default to interrupt */ | |
55 | static int poll_interval = 0; | |
56 | ||
57 | typedef enum pcc_space { as_none = 0, as_comm, as_attr, as_io } pcc_as_t; | |
58 | ||
59 | typedef struct pcc_socket { | |
60 | u_short type, flags; | |
61 | struct pcmcia_socket socket; | |
62 | unsigned int number; | |
63 | kio_addr_t ioaddr; | |
64 | u_long mapaddr; | |
65 | u_long base; /* PCC register base */ | |
66 | u_char cs_irq1, cs_irq2, intr; | |
67 | pccard_io_map io_map[MAX_IO_WIN]; | |
68 | pccard_mem_map mem_map[MAX_WIN]; | |
69 | u_char io_win; | |
70 | u_char mem_win; | |
71 | pcc_as_t current_space; | |
72 | u_char last_iodbex; | |
73 | #ifdef CONFIG_PROC_FS | |
74 | struct proc_dir_entry *proc; | |
75 | #endif | |
76 | } pcc_socket_t; | |
77 | ||
78 | static int pcc_sockets = 0; | |
79 | static pcc_socket_t socket[M32R_MAX_PCC] = { | |
80 | { 0, }, /* ... */ | |
81 | }; | |
82 | ||
83 | /*====================================================================*/ | |
84 | ||
85 | static unsigned int pcc_get(u_short, unsigned int); | |
86 | static void pcc_set(u_short, unsigned int , unsigned int ); | |
87 | ||
88 | static DEFINE_SPINLOCK(pcc_lock); | |
89 | ||
90 | #if !defined(CONFIG_PLAT_USRV) | |
91 | static inline u_long pcc_port2addr(unsigned long port, int size) { | |
92 | u_long addr = 0; | |
93 | u_long odd; | |
94 | ||
95 | if (size == 1) { /* byte access */ | |
96 | odd = (port&1) << 11; | |
97 | port -= port & 1; | |
98 | addr = CFC_IO_MAPBASE_BYTE - CFC_IOPORT_BASE + odd + port; | |
99 | } else if (size == 2) | |
100 | addr = CFC_IO_MAPBASE_WORD - CFC_IOPORT_BASE + port; | |
101 | ||
102 | return addr; | |
103 | } | |
104 | #else /* CONFIG_PLAT_USRV */ | |
105 | static inline u_long pcc_port2addr(unsigned long port, int size) { | |
106 | u_long odd; | |
107 | u_long addr = ((port - CFC_IOPORT_BASE) & 0xf000) << 8; | |
108 | ||
109 | if (size == 1) { /* byte access */ | |
110 | odd = port & 1; | |
111 | port -= odd; | |
112 | odd <<= 11; | |
113 | addr = (addr | CFC_IO_MAPBASE_BYTE) + odd + (port & 0xfff); | |
114 | } else if (size == 2) /* word access */ | |
115 | addr = (addr | CFC_IO_MAPBASE_WORD) + (port & 0xfff); | |
116 | ||
117 | return addr; | |
118 | } | |
119 | #endif /* CONFIG_PLAT_USRV */ | |
120 | ||
121 | void pcc_ioread_byte(int sock, unsigned long port, void *buf, size_t size, | |
122 | size_t nmemb, int flag) | |
123 | { | |
124 | u_long addr; | |
125 | unsigned char *bp = (unsigned char *)buf; | |
126 | unsigned long flags; | |
127 | ||
128 | debug(3, "m32r_cfc: pcc_ioread_byte: sock=%d, port=%#lx, buf=%p, " | |
129 | "size=%u, nmemb=%d, flag=%d\n", | |
130 | sock, port, buf, size, nmemb, flag); | |
131 | ||
132 | addr = pcc_port2addr(port, 1); | |
133 | if (!addr) { | |
134 | printk("m32r_cfc:ioread_byte null port :%#lx\n",port); | |
135 | return; | |
136 | } | |
137 | debug(3, "m32r_cfc: pcc_ioread_byte: addr=%#lx\n", addr); | |
138 | ||
139 | spin_lock_irqsave(&pcc_lock, flags); | |
140 | /* read Byte */ | |
141 | while (nmemb--) | |
142 | *bp++ = readb(addr); | |
143 | spin_unlock_irqrestore(&pcc_lock, flags); | |
144 | } | |
145 | ||
146 | void pcc_ioread_word(int sock, unsigned long port, void *buf, size_t size, | |
147 | size_t nmemb, int flag) | |
148 | { | |
149 | u_long addr; | |
150 | unsigned short *bp = (unsigned short *)buf; | |
151 | unsigned long flags; | |
152 | ||
153 | debug(3, "m32r_cfc: pcc_ioread_word: sock=%d, port=%#lx, " | |
154 | "buf=%p, size=%u, nmemb=%d, flag=%d\n", | |
155 | sock, port, buf, size, nmemb, flag); | |
156 | ||
157 | if (size != 2) | |
158 | printk("m32r_cfc: ioread_word :illigal size %u : %#lx\n", size, | |
159 | port); | |
160 | if (size == 9) | |
161 | printk("m32r_cfc: ioread_word :insw \n"); | |
162 | ||
163 | addr = pcc_port2addr(port, 2); | |
164 | if (!addr) { | |
165 | printk("m32r_cfc:ioread_word null port :%#lx\n",port); | |
166 | return; | |
167 | } | |
168 | debug(3, "m32r_cfc: pcc_ioread_word: addr=%#lx\n", addr); | |
169 | ||
170 | spin_lock_irqsave(&pcc_lock, flags); | |
171 | /* read Word */ | |
172 | while (nmemb--) | |
173 | *bp++ = readw(addr); | |
174 | spin_unlock_irqrestore(&pcc_lock, flags); | |
175 | } | |
176 | ||
177 | void pcc_iowrite_byte(int sock, unsigned long port, void *buf, size_t size, | |
178 | size_t nmemb, int flag) | |
179 | { | |
180 | u_long addr; | |
181 | unsigned char *bp = (unsigned char *)buf; | |
182 | unsigned long flags; | |
183 | ||
184 | debug(3, "m32r_cfc: pcc_iowrite_byte: sock=%d, port=%#lx, " | |
185 | "buf=%p, size=%u, nmemb=%d, flag=%d\n", | |
186 | sock, port, buf, size, nmemb, flag); | |
187 | ||
188 | /* write Byte */ | |
189 | addr = pcc_port2addr(port, 1); | |
190 | if (!addr) { | |
191 | printk("m32r_cfc:iowrite_byte null port:%#lx\n",port); | |
192 | return; | |
193 | } | |
194 | debug(3, "m32r_cfc: pcc_iowrite_byte: addr=%#lx\n", addr); | |
195 | ||
196 | spin_lock_irqsave(&pcc_lock, flags); | |
197 | while (nmemb--) | |
198 | writeb(*bp++, addr); | |
199 | spin_unlock_irqrestore(&pcc_lock, flags); | |
200 | } | |
201 | ||
202 | void pcc_iowrite_word(int sock, unsigned long port, void *buf, size_t size, | |
203 | size_t nmemb, int flag) | |
204 | { | |
205 | u_long addr; | |
206 | unsigned short *bp = (unsigned short *)buf; | |
207 | unsigned long flags; | |
208 | ||
209 | debug(3, "m32r_cfc: pcc_iowrite_word: sock=%d, port=%#lx, " | |
210 | "buf=%p, size=%u, nmemb=%d, flag=%d\n", | |
211 | sock, port, buf, size, nmemb, flag); | |
212 | ||
213 | if(size != 2) | |
214 | printk("m32r_cfc: iowrite_word :illigal size %u : %#lx\n", | |
215 | size, port); | |
216 | if(size == 9) | |
217 | printk("m32r_cfc: iowrite_word :outsw \n"); | |
218 | ||
219 | addr = pcc_port2addr(port, 2); | |
220 | if (!addr) { | |
221 | printk("m32r_cfc:iowrite_word null addr :%#lx\n",port); | |
222 | return; | |
223 | } | |
224 | #if 1 | |
225 | if (addr & 1) { | |
226 | printk("m32r_cfc:iowrite_word port addr (%#lx):%#lx\n", port, | |
227 | addr); | |
228 | return; | |
229 | } | |
230 | #endif | |
231 | debug(3, "m32r_cfc: pcc_iowrite_word: addr=%#lx\n", addr); | |
232 | ||
233 | spin_lock_irqsave(&pcc_lock, flags); | |
234 | while (nmemb--) | |
235 | writew(*bp++, addr); | |
236 | spin_unlock_irqrestore(&pcc_lock, flags); | |
237 | } | |
238 | ||
239 | /*====================================================================*/ | |
240 | ||
241 | #define IS_REGISTERED 0x2000 | |
242 | #define IS_ALIVE 0x8000 | |
243 | ||
244 | typedef struct pcc_t { | |
245 | char *name; | |
246 | u_short flags; | |
247 | } pcc_t; | |
248 | ||
249 | static pcc_t pcc[] = { | |
250 | #if !defined(CONFIG_PLAT_USRV) | |
251 | { "m32r_cfc", 0 }, { "", 0 }, | |
252 | #else /* CONFIG_PLAT_USRV */ | |
253 | { "m32r_cfc", 0 }, { "m32r_cfc", 0 }, { "m32r_cfc", 0 }, | |
254 | { "m32r_cfc", 0 }, { "m32r_cfc", 0 }, { "", 0 }, | |
255 | #endif /* CONFIG_PLAT_USRV */ | |
256 | }; | |
257 | ||
258 | static irqreturn_t pcc_interrupt(int, void *, struct pt_regs *); | |
259 | ||
260 | /*====================================================================*/ | |
261 | ||
262 | static struct timer_list poll_timer; | |
263 | ||
264 | static unsigned int pcc_get(u_short sock, unsigned int reg) | |
265 | { | |
266 | unsigned int val = inw(reg); | |
267 | debug(3, "m32r_cfc: pcc_get: reg(0x%08x)=0x%04x\n", reg, val); | |
268 | return val; | |
269 | } | |
270 | ||
271 | ||
272 | static void pcc_set(u_short sock, unsigned int reg, unsigned int data) | |
273 | { | |
274 | outw(data, reg); | |
275 | debug(3, "m32r_cfc: pcc_set: reg(0x%08x)=0x%04x\n", reg, data); | |
276 | } | |
277 | ||
278 | /*====================================================================== | |
279 | ||
280 | See if a card is present, powered up, in IO mode, and already | |
281 | bound to a (non PC Card) Linux driver. We leave these alone. | |
282 | ||
283 | We make an exception for cards that seem to be serial devices. | |
284 | ||
285 | ======================================================================*/ | |
286 | ||
287 | static int __init is_alive(u_short sock) | |
288 | { | |
289 | unsigned int stat; | |
290 | ||
291 | debug(3, "m32r_cfc: is_alive:\n"); | |
292 | ||
293 | printk("CF: "); | |
294 | stat = pcc_get(sock, (unsigned int)PLD_CFSTS); | |
295 | if (!stat) | |
296 | printk("No "); | |
297 | printk("Card is detected at socket %d : stat = 0x%08x\n", sock, stat); | |
298 | debug(3, "m32r_cfc: is_alive: sock stat is 0x%04x\n", stat); | |
299 | ||
300 | return 0; | |
301 | } | |
302 | ||
303 | static void add_pcc_socket(ulong base, int irq, ulong mapaddr, kio_addr_t ioaddr) | |
304 | { | |
305 | pcc_socket_t *t = &socket[pcc_sockets]; | |
306 | ||
307 | debug(3, "m32r_cfc: add_pcc_socket: base=%#lx, irq=%d, " | |
308 | "mapaddr=%#lx, ioaddr=%08x\n", | |
309 | base, irq, mapaddr, ioaddr); | |
310 | ||
311 | /* add sockets */ | |
312 | t->ioaddr = ioaddr; | |
313 | t->mapaddr = mapaddr; | |
314 | #if !defined(CONFIG_PLAT_USRV) | |
315 | t->base = 0; | |
316 | t->flags = 0; | |
317 | t->cs_irq1 = irq; // insert irq | |
318 | t->cs_irq2 = irq + 1; // eject irq | |
319 | #else /* CONFIG_PLAT_USRV */ | |
320 | t->base = base; | |
321 | t->flags = 0; | |
322 | t->cs_irq1 = 0; // insert irq | |
323 | t->cs_irq2 = 0; // eject irq | |
324 | #endif /* CONFIG_PLAT_USRV */ | |
325 | ||
326 | if (is_alive(pcc_sockets)) | |
327 | t->flags |= IS_ALIVE; | |
328 | ||
329 | /* add pcc */ | |
330 | #if !defined(CONFIG_PLAT_USRV) | |
331 | request_region((unsigned int)PLD_CFRSTCR, 0x20, "m32r_cfc"); | |
332 | #else /* CONFIG_PLAT_USRV */ | |
333 | { | |
334 | unsigned int reg_base; | |
335 | ||
336 | reg_base = (unsigned int)PLD_CFRSTCR; | |
337 | reg_base |= pcc_sockets << 8; | |
338 | request_region(reg_base, 0x20, "m32r_cfc"); | |
339 | } | |
340 | #endif /* CONFIG_PLAT_USRV */ | |
341 | printk(KERN_INFO " %s ", pcc[pcc_sockets].name); | |
342 | printk("pcc at 0x%08lx\n", t->base); | |
343 | ||
344 | /* Update socket interrupt information, capabilities */ | |
345 | t->socket.features |= (SS_CAP_PCCARD | SS_CAP_STATIC_MAP); | |
346 | t->socket.map_size = M32R_PCC_MAPSIZE; | |
347 | t->socket.io_offset = ioaddr; /* use for io access offset */ | |
348 | t->socket.irq_mask = 0; | |
349 | #if !defined(CONFIG_PLAT_USRV) | |
350 | t->socket.pci_irq = PLD_IRQ_CFIREQ ; /* card interrupt */ | |
351 | #else /* CONFIG_PLAT_USRV */ | |
352 | t->socket.pci_irq = PLD_IRQ_CF0 + pcc_sockets; | |
353 | #endif /* CONFIG_PLAT_USRV */ | |
354 | ||
355 | #ifndef CONFIG_PLAT_USRV | |
356 | /* insert interrupt */ | |
357 | request_irq(irq, pcc_interrupt, 0, "m32r_cfc", pcc_interrupt); | |
358 | /* eject interrupt */ | |
359 | request_irq(irq+1, pcc_interrupt, 0, "m32r_cfc", pcc_interrupt); | |
360 | ||
361 | debug(3, "m32r_cfc: enable CFMSK, RDYSEL\n"); | |
362 | pcc_set(pcc_sockets, (unsigned int)PLD_CFIMASK, 0x01); | |
363 | #endif /* CONFIG_PLAT_USRV */ | |
364 | #if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT) | |
365 | pcc_set(pcc_sockets, (unsigned int)PLD_CFCR1, 0x0200); | |
366 | #endif | |
367 | pcc_sockets++; | |
368 | ||
369 | return; | |
370 | } | |
371 | ||
372 | ||
373 | /*====================================================================*/ | |
374 | ||
375 | static irqreturn_t pcc_interrupt(int irq, void *dev, struct pt_regs *regs) | |
376 | { | |
377 | int i; | |
378 | u_int events = 0; | |
379 | int handled = 0; | |
380 | ||
381 | debug(3, "m32r_cfc: pcc_interrupt: irq=%d, dev=%p, regs=%p\n", | |
382 | irq, dev, regs); | |
383 | for (i = 0; i < pcc_sockets; i++) { | |
384 | if (socket[i].cs_irq1 != irq && socket[i].cs_irq2 != irq) | |
385 | continue; | |
386 | ||
387 | handled = 1; | |
388 | debug(3, "m32r_cfc: pcc_interrupt: socket %d irq 0x%02x ", | |
389 | i, irq); | |
390 | events |= SS_DETECT; /* insert or eject */ | |
391 | if (events) | |
392 | pcmcia_parse_events(&socket[i].socket, events); | |
393 | } | |
394 | debug(3, "m32r_cfc: pcc_interrupt: done\n"); | |
395 | ||
396 | return IRQ_RETVAL(handled); | |
397 | } /* pcc_interrupt */ | |
398 | ||
399 | static void pcc_interrupt_wrapper(u_long data) | |
400 | { | |
401 | debug(3, "m32r_cfc: pcc_interrupt_wrapper:\n"); | |
402 | pcc_interrupt(0, NULL, NULL); | |
403 | init_timer(&poll_timer); | |
404 | poll_timer.expires = jiffies + poll_interval; | |
405 | add_timer(&poll_timer); | |
406 | } | |
407 | ||
408 | /*====================================================================*/ | |
409 | ||
410 | static int _pcc_get_status(u_short sock, u_int *value) | |
411 | { | |
412 | u_int status; | |
413 | ||
414 | debug(3, "m32r_cfc: _pcc_get_status:\n"); | |
415 | status = pcc_get(sock, (unsigned int)PLD_CFSTS); | |
416 | *value = (status) ? SS_DETECT : 0; | |
417 | debug(3, "m32r_cfc: _pcc_get_status: status=0x%08x\n", status); | |
418 | ||
419 | #if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT) | |
420 | if ( status ) { | |
421 | /* enable CF power */ | |
422 | status = inw((unsigned int)PLD_CPCR); | |
423 | if (!(status & PLD_CPCR_CF)) { | |
424 | debug(3, "m32r_cfc: _pcc_get_status: " | |
425 | "power on (CPCR=0x%08x)\n", status); | |
426 | status |= PLD_CPCR_CF; | |
427 | outw(status, (unsigned int)PLD_CPCR); | |
428 | udelay(100); | |
429 | } | |
430 | *value |= SS_POWERON; | |
431 | ||
432 | pcc_set(sock, (unsigned int)PLD_CFBUFCR,0);/* enable buffer */ | |
433 | udelay(100); | |
434 | ||
435 | *value |= SS_READY; /* always ready */ | |
436 | *value |= SS_3VCARD; | |
437 | } else { | |
438 | /* disable CF power */ | |
439 | status = inw((unsigned int)PLD_CPCR); | |
440 | status &= ~PLD_CPCR_CF; | |
441 | outw(status, (unsigned int)PLD_CPCR); | |
442 | udelay(100); | |
443 | debug(3, "m32r_cfc: _pcc_get_status: " | |
444 | "power off (CPCR=0x%08x)\n", status); | |
445 | } | |
934bb7f8 | 446 | #elif defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3) |
1da177e4 LT |
447 | if ( status ) { |
448 | status = pcc_get(sock, (unsigned int)PLD_CPCR); | |
449 | if (status == 0) { /* power off */ | |
450 | pcc_set(sock, (unsigned int)PLD_CPCR, 1); | |
451 | pcc_set(sock, (unsigned int)PLD_CFBUFCR,0); /* force buffer off for ZA-36 */ | |
452 | udelay(50); | |
453 | } | |
934bb7f8 HT |
454 | *value |= SS_POWERON; |
455 | ||
456 | pcc_set(sock, (unsigned int)PLD_CFBUFCR,0); | |
457 | udelay(50); | |
458 | pcc_set(sock, (unsigned int)PLD_CFRSTCR, 0x0101); | |
459 | udelay(25); /* for IDE reset */ | |
460 | pcc_set(sock, (unsigned int)PLD_CFRSTCR, 0x0100); | |
461 | mdelay(2); /* for IDE reset */ | |
462 | ||
463 | *value |= SS_READY; | |
464 | *value |= SS_3VCARD; | |
465 | } else { | |
466 | /* disable CF power */ | |
467 | pcc_set(sock, (unsigned int)PLD_CPCR, 0); | |
468 | udelay(100); | |
469 | debug(3, "m32r_cfc: _pcc_get_status: " | |
470 | "power off (CPCR=0x%08x)\n", status); | |
1da177e4 LT |
471 | } |
472 | #else | |
473 | #error no platform configuration | |
474 | #endif | |
475 | debug(3, "m32r_cfc: _pcc_get_status: GetStatus(%d) = %#4.4x\n", | |
476 | sock, *value); | |
477 | return 0; | |
478 | } /* _get_status */ | |
479 | ||
480 | /*====================================================================*/ | |
481 | ||
482 | static int _pcc_get_socket(u_short sock, socket_state_t *state) | |
483 | { | |
484 | // pcc_socket_t *t = &socket[sock]; | |
485 | ||
1da177e4 LT |
486 | state->flags = 0; |
487 | state->csc_mask = SS_DETECT; | |
488 | state->csc_mask |= SS_READY; | |
489 | state->io_irq = 0; | |
490 | state->Vcc = 33; /* 3.3V fixed */ | |
491 | state->Vpp = 33; | |
934bb7f8 | 492 | |
1da177e4 LT |
493 | debug(3, "m32r_cfc: GetSocket(%d) = flags %#3.3x, Vcc %d, Vpp %d, " |
494 | "io_irq %d, csc_mask %#2.2x\n", sock, state->flags, | |
495 | state->Vcc, state->Vpp, state->io_irq, state->csc_mask); | |
496 | return 0; | |
497 | } /* _get_socket */ | |
498 | ||
499 | /*====================================================================*/ | |
500 | ||
501 | static int _pcc_set_socket(u_short sock, socket_state_t *state) | |
502 | { | |
1da177e4 LT |
503 | debug(3, "m32r_cfc: SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, " |
504 | "io_irq %d, csc_mask %#2.2x)\n", sock, state->flags, | |
505 | state->Vcc, state->Vpp, state->io_irq, state->csc_mask); | |
506 | ||
934bb7f8 | 507 | #if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT) || defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3) |
1da177e4 LT |
508 | if (state->Vcc) { |
509 | if ((state->Vcc != 50) && (state->Vcc != 33)) | |
510 | return -EINVAL; | |
511 | /* accept 5V and 3.3V */ | |
512 | } | |
1da177e4 | 513 | #endif |
1da177e4 LT |
514 | if (state->flags & SS_RESET) { |
515 | debug(3, ":RESET\n"); | |
516 | pcc_set(sock,(unsigned int)PLD_CFRSTCR,0x101); | |
517 | }else{ | |
518 | pcc_set(sock,(unsigned int)PLD_CFRSTCR,0x100); | |
519 | } | |
520 | if (state->flags & SS_OUTPUT_ENA){ | |
521 | debug(3, ":OUTPUT_ENA\n"); | |
522 | /* bit clear */ | |
523 | pcc_set(sock,(unsigned int)PLD_CFBUFCR,0); | |
524 | } else { | |
525 | pcc_set(sock,(unsigned int)PLD_CFBUFCR,1); | |
526 | } | |
527 | ||
528 | #ifdef DEBUG | |
529 | if(state->flags & SS_IOCARD){ | |
530 | debug(3, ":IOCARD"); | |
531 | } | |
532 | if (state->flags & SS_PWR_AUTO) { | |
533 | debug(3, ":PWR_AUTO"); | |
534 | } | |
535 | if (state->csc_mask & SS_DETECT) | |
536 | debug(3, ":csc-SS_DETECT"); | |
537 | if (state->flags & SS_IOCARD) { | |
538 | if (state->csc_mask & SS_STSCHG) | |
539 | debug(3, ":STSCHG"); | |
540 | } else { | |
541 | if (state->csc_mask & SS_BATDEAD) | |
542 | debug(3, ":BATDEAD"); | |
543 | if (state->csc_mask & SS_BATWARN) | |
544 | debug(3, ":BATWARN"); | |
545 | if (state->csc_mask & SS_READY) | |
546 | debug(3, ":READY"); | |
547 | } | |
548 | debug(3, "\n"); | |
549 | #endif | |
550 | return 0; | |
551 | } /* _set_socket */ | |
552 | ||
553 | /*====================================================================*/ | |
554 | ||
555 | static int _pcc_set_io_map(u_short sock, struct pccard_io_map *io) | |
556 | { | |
557 | u_char map; | |
558 | ||
559 | debug(3, "m32r_cfc: SetIOMap(%d, %d, %#2.2x, %d ns, " | |
560 | "%#lx-%#lx)\n", sock, io->map, io->flags, | |
561 | io->speed, io->start, io->stop); | |
562 | map = io->map; | |
563 | ||
564 | return 0; | |
565 | } /* _set_io_map */ | |
566 | ||
567 | /*====================================================================*/ | |
568 | ||
569 | static int _pcc_set_mem_map(u_short sock, struct pccard_mem_map *mem) | |
570 | { | |
571 | ||
572 | u_char map = mem->map; | |
573 | u_long addr; | |
574 | pcc_socket_t *t = &socket[sock]; | |
575 | ||
576 | debug(3, "m32r_cfc: SetMemMap(%d, %d, %#2.2x, %d ns, " | |
577 | "%#lx, %#x)\n", sock, map, mem->flags, | |
578 | mem->speed, mem->static_start, mem->card_start); | |
579 | ||
580 | /* | |
581 | * sanity check | |
582 | */ | |
583 | if ((map > MAX_WIN) || (mem->card_start > 0x3ffffff)){ | |
584 | return -EINVAL; | |
585 | } | |
586 | ||
587 | /* | |
588 | * de-activate | |
589 | */ | |
590 | if ((mem->flags & MAP_ACTIVE) == 0) { | |
591 | t->current_space = as_none; | |
592 | return 0; | |
593 | } | |
594 | ||
595 | /* | |
596 | * Set mode | |
597 | */ | |
598 | if (mem->flags & MAP_ATTRIB) { | |
599 | t->current_space = as_attr; | |
600 | } else { | |
601 | t->current_space = as_comm; | |
602 | } | |
603 | ||
604 | /* | |
605 | * Set address | |
606 | */ | |
607 | addr = t->mapaddr + (mem->card_start & M32R_PCC_MAPMASK); | |
608 | mem->static_start = addr + mem->card_start; | |
609 | ||
610 | return 0; | |
611 | ||
612 | } /* _set_mem_map */ | |
613 | ||
614 | #if 0 /* driver model ordering issue */ | |
615 | /*====================================================================== | |
616 | ||
617 | Routines for accessing socket information and register dumps via | |
618 | /proc/bus/pccard/... | |
619 | ||
620 | ======================================================================*/ | |
621 | ||
622 | static ssize_t show_info(struct class_device *class_dev, char *buf) | |
623 | { | |
624 | pcc_socket_t *s = container_of(class_dev, struct pcc_socket, | |
625 | socket.dev); | |
626 | ||
627 | return sprintf(buf, "type: %s\nbase addr: 0x%08lx\n", | |
628 | pcc[s->type].name, s->base); | |
629 | } | |
630 | ||
631 | static ssize_t show_exca(struct class_device *class_dev, char *buf) | |
632 | { | |
633 | /* FIXME */ | |
634 | ||
635 | return 0; | |
636 | } | |
637 | ||
638 | static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL); | |
639 | static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL); | |
640 | #endif | |
641 | ||
642 | /*====================================================================*/ | |
643 | ||
644 | /* this is horribly ugly... proper locking needs to be done here at | |
645 | * some time... */ | |
646 | #define LOCKED(x) do { \ | |
647 | int retval; \ | |
648 | unsigned long flags; \ | |
649 | spin_lock_irqsave(&pcc_lock, flags); \ | |
650 | retval = x; \ | |
651 | spin_unlock_irqrestore(&pcc_lock, flags); \ | |
652 | return retval; \ | |
653 | } while (0) | |
654 | ||
655 | ||
656 | static int pcc_get_status(struct pcmcia_socket *s, u_int *value) | |
657 | { | |
658 | unsigned int sock = container_of(s, struct pcc_socket, socket)->number; | |
659 | ||
660 | if (socket[sock].flags & IS_ALIVE) { | |
661 | debug(3, "m32r_cfc: pcc_get_status: sock(%d) -EINVAL\n", sock); | |
662 | *value = 0; | |
663 | return -EINVAL; | |
664 | } | |
665 | debug(3, "m32r_cfc: pcc_get_status: sock(%d)\n", sock); | |
666 | LOCKED(_pcc_get_status(sock, value)); | |
667 | } | |
668 | ||
669 | static int pcc_get_socket(struct pcmcia_socket *s, socket_state_t *state) | |
670 | { | |
671 | unsigned int sock = container_of(s, struct pcc_socket, socket)->number; | |
672 | ||
673 | if (socket[sock].flags & IS_ALIVE) { | |
674 | debug(3, "m32r_cfc: pcc_get_socket: sock(%d) -EINVAL\n", sock); | |
675 | return -EINVAL; | |
676 | } | |
677 | debug(3, "m32r_cfc: pcc_get_socket: sock(%d)\n", sock); | |
678 | LOCKED(_pcc_get_socket(sock, state)); | |
679 | } | |
680 | ||
681 | static int pcc_set_socket(struct pcmcia_socket *s, socket_state_t *state) | |
682 | { | |
683 | unsigned int sock = container_of(s, struct pcc_socket, socket)->number; | |
684 | ||
685 | if (socket[sock].flags & IS_ALIVE) { | |
686 | debug(3, "m32r_cfc: pcc_set_socket: sock(%d) -EINVAL\n", sock); | |
687 | return -EINVAL; | |
688 | } | |
689 | debug(3, "m32r_cfc: pcc_set_socket: sock(%d)\n", sock); | |
690 | LOCKED(_pcc_set_socket(sock, state)); | |
691 | } | |
692 | ||
693 | static int pcc_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io) | |
694 | { | |
695 | unsigned int sock = container_of(s, struct pcc_socket, socket)->number; | |
696 | ||
697 | if (socket[sock].flags & IS_ALIVE) { | |
698 | debug(3, "m32r_cfc: pcc_set_io_map: sock(%d) -EINVAL\n", sock); | |
699 | return -EINVAL; | |
700 | } | |
701 | debug(3, "m32r_cfc: pcc_set_io_map: sock(%d)\n", sock); | |
702 | LOCKED(_pcc_set_io_map(sock, io)); | |
703 | } | |
704 | ||
705 | static int pcc_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem) | |
706 | { | |
707 | unsigned int sock = container_of(s, struct pcc_socket, socket)->number; | |
708 | ||
709 | if (socket[sock].flags & IS_ALIVE) { | |
710 | debug(3, "m32r_cfc: pcc_set_mem_map: sock(%d) -EINVAL\n", sock); | |
711 | return -EINVAL; | |
712 | } | |
713 | debug(3, "m32r_cfc: pcc_set_mem_map: sock(%d)\n", sock); | |
714 | LOCKED(_pcc_set_mem_map(sock, mem)); | |
715 | } | |
716 | ||
717 | static int pcc_init(struct pcmcia_socket *s) | |
718 | { | |
719 | debug(3, "m32r_cfc: pcc_init()\n"); | |
720 | return 0; | |
721 | } | |
722 | ||
723 | static struct pccard_operations pcc_operations = { | |
724 | .init = pcc_init, | |
725 | .get_status = pcc_get_status, | |
726 | .get_socket = pcc_get_socket, | |
727 | .set_socket = pcc_set_socket, | |
728 | .set_io_map = pcc_set_io_map, | |
729 | .set_mem_map = pcc_set_mem_map, | |
730 | }; | |
731 | ||
732 | /*====================================================================*/ | |
733 | ||
8bf28030 | 734 | static int m32r_pcc_suspend(struct device *dev, pm_message_t state, u32 level) |
1da177e4 LT |
735 | { |
736 | int ret = 0; | |
737 | if (level == SUSPEND_SAVE_STATE) | |
738 | ret = pcmcia_socket_dev_suspend(dev, state); | |
739 | return ret; | |
740 | } | |
741 | ||
742 | static int m32r_pcc_resume(struct device *dev, u32 level) | |
743 | { | |
744 | int ret = 0; | |
745 | if (level == RESUME_RESTORE_STATE) | |
746 | ret = pcmcia_socket_dev_resume(dev); | |
747 | return ret; | |
748 | } | |
749 | ||
750 | ||
751 | static struct device_driver pcc_driver = { | |
752 | .name = "cfc", | |
753 | .bus = &platform_bus_type, | |
754 | .suspend = m32r_pcc_suspend, | |
755 | .resume = m32r_pcc_resume, | |
756 | }; | |
757 | ||
758 | static struct platform_device pcc_device = { | |
759 | .name = "cfc", | |
760 | .id = 0, | |
761 | }; | |
762 | ||
763 | /*====================================================================*/ | |
764 | ||
765 | static int __init init_m32r_pcc(void) | |
766 | { | |
767 | int i, ret; | |
768 | ||
769 | ret = driver_register(&pcc_driver); | |
770 | if (ret) | |
771 | return ret; | |
772 | ||
773 | ret = platform_device_register(&pcc_device); | |
774 | if (ret){ | |
775 | driver_unregister(&pcc_driver); | |
776 | return ret; | |
777 | } | |
778 | ||
934bb7f8 | 779 | #if defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3) |
1da177e4 LT |
780 | pcc_set(0, (unsigned int)PLD_CFCR0, 0x0f0f); |
781 | pcc_set(0, (unsigned int)PLD_CFCR1, 0x0200); | |
782 | #endif | |
783 | ||
784 | pcc_sockets = 0; | |
785 | ||
786 | #if !defined(CONFIG_PLAT_USRV) | |
787 | add_pcc_socket(M32R_PCC0_BASE, PLD_IRQ_CFC_INSERT, CFC_ATTR_MAPBASE, | |
788 | CFC_IOPORT_BASE); | |
789 | #else /* CONFIG_PLAT_USRV */ | |
790 | { | |
791 | ulong base, mapaddr; | |
792 | kio_addr_t ioaddr; | |
793 | ||
794 | for (i = 0 ; i < M32R_MAX_PCC ; i++) { | |
795 | base = (ulong)PLD_CFRSTCR; | |
796 | base = base | (i << 8); | |
797 | ioaddr = (i + 1) << 12; | |
798 | mapaddr = CFC_ATTR_MAPBASE | (i << 20); | |
799 | add_pcc_socket(base, 0, mapaddr, ioaddr); | |
800 | } | |
801 | } | |
802 | #endif /* CONFIG_PLAT_USRV */ | |
803 | ||
804 | if (pcc_sockets == 0) { | |
805 | printk("socket is not found.\n"); | |
806 | platform_device_unregister(&pcc_device); | |
807 | driver_unregister(&pcc_driver); | |
808 | return -ENODEV; | |
809 | } | |
810 | ||
811 | /* Set up interrupt handler(s) */ | |
812 | ||
813 | for (i = 0 ; i < pcc_sockets ; i++) { | |
814 | socket[i].socket.dev.dev = &pcc_device.dev; | |
815 | socket[i].socket.ops = &pcc_operations; | |
934bb7f8 | 816 | socket[i].socket.resource_ops = &pccard_nonstatic_ops; |
1da177e4 LT |
817 | socket[i].socket.owner = THIS_MODULE; |
818 | socket[i].number = i; | |
819 | ret = pcmcia_register_socket(&socket[i].socket); | |
820 | if (!ret) | |
821 | socket[i].flags |= IS_REGISTERED; | |
822 | ||
823 | #if 0 /* driver model ordering issue */ | |
824 | class_device_create_file(&socket[i].socket.dev, | |
825 | &class_device_attr_info); | |
826 | class_device_create_file(&socket[i].socket.dev, | |
827 | &class_device_attr_exca); | |
828 | #endif | |
829 | } | |
830 | ||
831 | /* Finally, schedule a polling interrupt */ | |
832 | if (poll_interval != 0) { | |
833 | poll_timer.function = pcc_interrupt_wrapper; | |
834 | poll_timer.data = 0; | |
835 | init_timer(&poll_timer); | |
836 | poll_timer.expires = jiffies + poll_interval; | |
837 | add_timer(&poll_timer); | |
838 | } | |
839 | ||
840 | return 0; | |
841 | } /* init_m32r_pcc */ | |
842 | ||
843 | static void __exit exit_m32r_pcc(void) | |
844 | { | |
845 | int i; | |
846 | ||
847 | for (i = 0; i < pcc_sockets; i++) | |
848 | if (socket[i].flags & IS_REGISTERED) | |
849 | pcmcia_unregister_socket(&socket[i].socket); | |
850 | ||
851 | platform_device_unregister(&pcc_device); | |
852 | if (poll_interval != 0) | |
853 | del_timer_sync(&poll_timer); | |
854 | ||
855 | driver_unregister(&pcc_driver); | |
856 | } /* exit_m32r_pcc */ | |
857 | ||
858 | module_init(init_m32r_pcc); | |
859 | module_exit(exit_m32r_pcc); | |
860 | MODULE_LICENSE("Dual MPL/GPL"); | |
861 | /*====================================================================*/ |