blob: 83ace277426ca5592cebc5a461b877b90c9c7a6e [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Regular cardbus driver ("yenta_socket")
3 *
4 * (C) Copyright 1999, 2000 Linus Torvalds
5 *
6 * Changelog:
7 * Aug 2002: Manfred Spraul <manfred@colorfullife.com>
8 * Dynamically adjust the size of the bridge resource
Dominik Brodowski9fea84f2009-12-07 22:11:45 +01009 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070010 * May 2003: Dominik Brodowski <linux@brodo.de>
11 * Merge pci_socket.c and yenta.c into one file
12 */
13#include <linux/init.h>
14#include <linux/pci.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070015#include <linux/workqueue.h>
16#include <linux/interrupt.h>
17#include <linux/delay.h>
18#include <linux/module.h>
Dominik Brodowski9fea84f2009-12-07 22:11:45 +010019#include <linux/io.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090020#include <linux/slab.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070021
Linus Torvalds1da177e2005-04-16 15:20:36 -070022#include <pcmcia/cs_types.h>
23#include <pcmcia/ss.h>
24#include <pcmcia/cs.h>
25
Linus Torvalds1da177e2005-04-16 15:20:36 -070026#include "yenta_socket.h"
27#include "i82365.h"
28
29static int disable_clkrun;
30module_param(disable_clkrun, bool, 0444);
31MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option");
32
Daniel Ritzfa912bc2005-06-23 00:10:12 -070033static int isa_probe = 1;
34module_param(isa_probe, bool, 0444);
35MODULE_PARM_DESC(isa_probe, "If set ISA interrupts are probed (default). Set to N to disable probing");
36
37static int pwr_irqs_off;
38module_param(pwr_irqs_off, bool, 0644);
39MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!");
40
Wolfram Sang35169522010-01-10 09:41:24 +010041static char o2_speedup[] = "default";
42module_param_string(o2_speedup, o2_speedup, sizeof(o2_speedup), 0444);
43MODULE_PARM_DESC(o2_speedup, "Use prefetch/burst for O2-bridges: 'on', 'off' "
44 "or 'default' (uses recommended behaviour for the detected bridge)");
45
Jens Künzer0d3a9402010-03-06 08:27:22 +010046/*
47 * Only probe "regular" interrupts, don't
48 * touch dangerous spots like the mouse irq,
49 * because there are mice that apparently
50 * get really confused if they get fondled
51 * too intimately.
52 *
53 * Default to 11, 10, 9, 7, 6, 5, 4, 3.
54 */
55static u32 isa_interrupts = 0x0ef8;
56
57
Dominik Brodowskidd797d82008-08-02 17:54:14 +020058#define debug(x, s, args...) dev_dbg(&s->dev->dev, x, ##args)
Linus Torvalds1da177e2005-04-16 15:20:36 -070059
60/* Don't ask.. */
61#define to_cycles(ns) ((ns)/120)
62#define to_ns(cycles) ((cycles)*120)
63
Randy Dunlap78187862007-12-10 15:49:22 -080064/*
Daniel Ritz63e7ebd2005-11-03 21:12:14 +010065 * yenta PCI irq probing.
66 * currently only used in the TI/EnE initialization code
67 */
68#ifdef CONFIG_YENTA_TI
Linus Torvalds1da177e2005-04-16 15:20:36 -070069static int yenta_probe_cb_irq(struct yenta_socket *socket);
Jens Künzer0d3a9402010-03-06 08:27:22 +010070static unsigned int yenta_probe_irq(struct yenta_socket *socket,
71 u32 isa_irq_mask);
Daniel Ritz63e7ebd2005-11-03 21:12:14 +010072#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070073
74
75static unsigned int override_bios;
76module_param(override_bios, uint, 0000);
Dominik Brodowski9fea84f2009-12-07 22:11:45 +010077MODULE_PARM_DESC(override_bios, "yenta ignore bios resource allocation");
Linus Torvalds1da177e2005-04-16 15:20:36 -070078
79/*
80 * Generate easy-to-use ways of reading a cardbus sockets
81 * regular memory space ("cb_xxx"), configuration space
82 * ("config_xxx") and compatibility space ("exca_xxxx")
83 */
84static inline u32 cb_readl(struct yenta_socket *socket, unsigned reg)
85{
86 u32 val = readl(socket->base + reg);
Dominik Brodowskidd797d82008-08-02 17:54:14 +020087 debug("%04x %08x\n", socket, reg, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -070088 return val;
89}
90
91static inline void cb_writel(struct yenta_socket *socket, unsigned reg, u32 val)
92{
Dominik Brodowskidd797d82008-08-02 17:54:14 +020093 debug("%04x %08x\n", socket, reg, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -070094 writel(val, socket->base + reg);
Daniel Ritzc8751e42005-09-09 13:03:25 -070095 readl(socket->base + reg); /* avoid problems with PCI write posting */
Linus Torvalds1da177e2005-04-16 15:20:36 -070096}
97
98static inline u8 config_readb(struct yenta_socket *socket, unsigned offset)
99{
100 u8 val;
101 pci_read_config_byte(socket->dev, offset, &val);
Dominik Brodowskidd797d82008-08-02 17:54:14 +0200102 debug("%04x %02x\n", socket, offset, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103 return val;
104}
105
106static inline u16 config_readw(struct yenta_socket *socket, unsigned offset)
107{
108 u16 val;
109 pci_read_config_word(socket->dev, offset, &val);
Dominik Brodowskidd797d82008-08-02 17:54:14 +0200110 debug("%04x %04x\n", socket, offset, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 return val;
112}
113
114static inline u32 config_readl(struct yenta_socket *socket, unsigned offset)
115{
116 u32 val;
117 pci_read_config_dword(socket->dev, offset, &val);
Dominik Brodowskidd797d82008-08-02 17:54:14 +0200118 debug("%04x %08x\n", socket, offset, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119 return val;
120}
121
122static inline void config_writeb(struct yenta_socket *socket, unsigned offset, u8 val)
123{
Dominik Brodowskidd797d82008-08-02 17:54:14 +0200124 debug("%04x %02x\n", socket, offset, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125 pci_write_config_byte(socket->dev, offset, val);
126}
127
128static inline void config_writew(struct yenta_socket *socket, unsigned offset, u16 val)
129{
Dominik Brodowskidd797d82008-08-02 17:54:14 +0200130 debug("%04x %04x\n", socket, offset, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131 pci_write_config_word(socket->dev, offset, val);
132}
133
134static inline void config_writel(struct yenta_socket *socket, unsigned offset, u32 val)
135{
Dominik Brodowskidd797d82008-08-02 17:54:14 +0200136 debug("%04x %08x\n", socket, offset, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137 pci_write_config_dword(socket->dev, offset, val);
138}
139
140static inline u8 exca_readb(struct yenta_socket *socket, unsigned reg)
141{
142 u8 val = readb(socket->base + 0x800 + reg);
Dominik Brodowskidd797d82008-08-02 17:54:14 +0200143 debug("%04x %02x\n", socket, reg, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144 return val;
145}
146
147static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg)
148{
149 u16 val;
150 val = readb(socket->base + 0x800 + reg);
151 val |= readb(socket->base + 0x800 + reg + 1) << 8;
Dominik Brodowskidd797d82008-08-02 17:54:14 +0200152 debug("%04x %04x\n", socket, reg, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153 return val;
154}
155
156static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val)
157{
Dominik Brodowskidd797d82008-08-02 17:54:14 +0200158 debug("%04x %02x\n", socket, reg, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159 writeb(val, socket->base + 0x800 + reg);
Daniel Ritzc8751e42005-09-09 13:03:25 -0700160 readb(socket->base + 0x800 + reg); /* PCI write posting... */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161}
162
163static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val)
164{
Dominik Brodowskidd797d82008-08-02 17:54:14 +0200165 debug("%04x %04x\n", socket, reg, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700166 writeb(val, socket->base + 0x800 + reg);
167 writeb(val >> 8, socket->base + 0x800 + reg + 1);
Daniel Ritzc8751e42005-09-09 13:03:25 -0700168
169 /* PCI write posting... */
170 readb(socket->base + 0x800 + reg);
171 readb(socket->base + 0x800 + reg + 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700172}
173
Linus Torvalds030ee392005-10-28 13:55:08 -0700174static ssize_t show_yenta_registers(struct device *yentadev, struct device_attribute *attr, char *buf)
175{
176 struct pci_dev *dev = to_pci_dev(yentadev);
177 struct yenta_socket *socket = pci_get_drvdata(dev);
178 int offset = 0, i;
179
180 offset = snprintf(buf, PAGE_SIZE, "CB registers:");
181 for (i = 0; i < 0x24; i += 4) {
182 unsigned val;
183 if (!(i & 15))
184 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
185 val = cb_readl(socket, i);
186 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %08x", val);
187 }
188
189 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n\nExCA registers:");
190 for (i = 0; i < 0x45; i++) {
191 unsigned char val;
192 if (!(i & 7)) {
193 if (i & 8) {
194 memcpy(buf + offset, " -", 2);
195 offset += 2;
196 } else
197 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
198 }
199 val = exca_readb(socket, i);
200 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %02x", val);
201 }
202 buf[offset++] = '\n';
203 return offset;
204}
205
206static DEVICE_ATTR(yenta_registers, S_IRUSR, show_yenta_registers, NULL);
207
Linus Torvalds1da177e2005-04-16 15:20:36 -0700208/*
209 * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend
210 * on what kind of card is inserted..
211 */
212static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value)
213{
214 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
215 unsigned int val;
216 u32 state = cb_readl(socket, CB_SOCKET_STATE);
217
218 val = (state & CB_3VCARD) ? SS_3VCARD : 0;
219 val |= (state & CB_XVCARD) ? SS_XVCARD : 0;
Daniel Ritzfa912bc2005-06-23 00:10:12 -0700220 val |= (state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ? 0 : SS_PENDING;
221 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? SS_PENDING : 0;
222
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223
224 if (state & CB_CBCARD) {
Dominik Brodowskidd797d82008-08-02 17:54:14 +0200225 val |= SS_CARDBUS;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700226 val |= (state & CB_CARDSTS) ? SS_STSCHG : 0;
227 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? 0 : SS_DETECT;
228 val |= (state & CB_PWRCYCLE) ? SS_POWERON | SS_READY : 0;
Daniel Ritzfa912bc2005-06-23 00:10:12 -0700229 } else if (state & CB_16BITCARD) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700230 u8 status = exca_readb(socket, I365_STATUS);
231 val |= ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0;
232 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
233 val |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
234 } else {
235 val |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
236 val |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
237 }
238 val |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
239 val |= (status & I365_CS_READY) ? SS_READY : 0;
240 val |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
241 }
242
243 *value = val;
244 return 0;
245}
246
Linus Torvalds1da177e2005-04-16 15:20:36 -0700247static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state)
248{
Daniel Ritzea2f1592005-09-06 15:16:50 -0700249 /* some birdges require to use the ExCA registers to power 16bit cards */
250 if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) &&
251 (socket->flags & YENTA_16BIT_POWER_EXCA)) {
252 u8 reg, old;
253 reg = old = exca_readb(socket, I365_POWER);
254 reg &= ~(I365_VCC_MASK | I365_VPP1_MASK | I365_VPP2_MASK);
255
256 /* i82365SL-DF style */
257 if (socket->flags & YENTA_16BIT_POWER_DF) {
258 switch (state->Vcc) {
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100259 case 33:
260 reg |= I365_VCC_3V;
261 break;
262 case 50:
263 reg |= I365_VCC_5V;
264 break;
265 default:
266 reg = 0;
267 break;
Daniel Ritzea2f1592005-09-06 15:16:50 -0700268 }
269 switch (state->Vpp) {
270 case 33:
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100271 case 50:
272 reg |= I365_VPP1_5V;
273 break;
274 case 120:
275 reg |= I365_VPP1_12V;
276 break;
Daniel Ritzea2f1592005-09-06 15:16:50 -0700277 }
278 } else {
279 /* i82365SL-B style */
280 switch (state->Vcc) {
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100281 case 50:
282 reg |= I365_VCC_5V;
283 break;
284 default:
285 reg = 0;
286 break;
Daniel Ritzea2f1592005-09-06 15:16:50 -0700287 }
288 switch (state->Vpp) {
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100289 case 50:
290 reg |= I365_VPP1_5V | I365_VPP2_5V;
291 break;
292 case 120:
293 reg |= I365_VPP1_12V | I365_VPP2_12V;
294 break;
Daniel Ritzea2f1592005-09-06 15:16:50 -0700295 }
296 }
297
298 if (reg != old)
299 exca_writeb(socket, I365_POWER, reg);
300 } else {
301 u32 reg = 0; /* CB_SC_STPCLK? */
302 switch (state->Vcc) {
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100303 case 33:
304 reg = CB_SC_VCC_3V;
305 break;
306 case 50:
307 reg = CB_SC_VCC_5V;
308 break;
309 default:
310 reg = 0;
311 break;
Daniel Ritzea2f1592005-09-06 15:16:50 -0700312 }
313 switch (state->Vpp) {
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100314 case 33:
315 reg |= CB_SC_VPP_3V;
316 break;
317 case 50:
318 reg |= CB_SC_VPP_5V;
319 break;
320 case 120:
321 reg |= CB_SC_VPP_12V;
322 break;
Daniel Ritzea2f1592005-09-06 15:16:50 -0700323 }
324 if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
325 cb_writel(socket, CB_SOCKET_CONTROL, reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700326 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700327}
328
329static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
330{
331 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
332 u16 bridge;
333
Daniel Ritzd250a482006-03-06 17:37:04 +0100334 /* if powering down: do it immediately */
335 if (state->Vcc == 0)
336 yenta_set_power(socket, state);
337
Linus Torvalds1da177e2005-04-16 15:20:36 -0700338 socket->io_irq = state->io_irq;
339 bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR);
340 if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
341 u8 intr;
342 bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0;
343
344 /* ISA interrupt control? */
345 intr = exca_readb(socket, I365_INTCTL);
346 intr = (intr & ~0xf);
Jens Künzerba8819e2010-03-06 08:02:24 +0100347 if (!socket->dev->irq) {
348 intr |= socket->cb_irq ? socket->cb_irq : state->io_irq;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700349 bridge |= CB_BRIDGE_INTR;
350 }
351 exca_writeb(socket, I365_INTCTL, intr);
352 } else {
353 u8 reg;
354
355 reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA);
356 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
357 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
Jens Künzerba8819e2010-03-06 08:02:24 +0100358 if (state->io_irq != socket->dev->irq) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359 reg |= state->io_irq;
360 bridge |= CB_BRIDGE_INTR;
361 }
362 exca_writeb(socket, I365_INTCTL, reg);
363
364 reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK);
365 reg |= I365_PWR_NORESET;
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100366 if (state->flags & SS_PWR_AUTO)
367 reg |= I365_PWR_AUTO;
368 if (state->flags & SS_OUTPUT_ENA)
369 reg |= I365_PWR_OUT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700370 if (exca_readb(socket, I365_POWER) != reg)
371 exca_writeb(socket, I365_POWER, reg);
372
373 /* CSC interrupt: no ISA irq for CSC */
Jens Künzer28ca8dd2010-03-06 07:46:16 +0100374 reg = exca_readb(socket, I365_CSCINT);
375 reg &= I365_CSC_IRQ_MASK;
376 reg |= I365_CSC_DETECT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700377 if (state->flags & SS_IOCARD) {
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100378 if (state->csc_mask & SS_STSCHG)
379 reg |= I365_CSC_STSCHG;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700380 } else {
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100381 if (state->csc_mask & SS_BATDEAD)
382 reg |= I365_CSC_BVD1;
383 if (state->csc_mask & SS_BATWARN)
384 reg |= I365_CSC_BVD2;
385 if (state->csc_mask & SS_READY)
386 reg |= I365_CSC_READY;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700387 }
388 exca_writeb(socket, I365_CSCINT, reg);
389 exca_readb(socket, I365_CSC);
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100390 if (sock->zoom_video)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700391 sock->zoom_video(sock, state->flags & SS_ZVCARD);
392 }
393 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
394 /* Socket event mask: get card insert/remove events.. */
395 cb_writel(socket, CB_SOCKET_EVENT, -1);
396 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
Daniel Ritzd250a482006-03-06 17:37:04 +0100397
398 /* if powering up: do it as the last step when the socket is configured */
399 if (state->Vcc != 0)
400 yenta_set_power(socket, state);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700401 return 0;
402}
403
404static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
405{
406 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
407 int map;
408 unsigned char ioctl, addr, enable;
409
410 map = io->map;
411
412 if (map > 1)
413 return -EINVAL;
414
415 enable = I365_ENA_IO(map);
416 addr = exca_readb(socket, I365_ADDRWIN);
417
418 /* Disable the window before changing it.. */
419 if (addr & enable) {
420 addr &= ~enable;
421 exca_writeb(socket, I365_ADDRWIN, addr);
422 }
423
424 exca_writew(socket, I365_IO(map)+I365_W_START, io->start);
425 exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop);
426
427 ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map);
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100428 if (io->flags & MAP_0WS)
429 ioctl |= I365_IOCTL_0WS(map);
430 if (io->flags & MAP_16BIT)
431 ioctl |= I365_IOCTL_16BIT(map);
432 if (io->flags & MAP_AUTOSZ)
433 ioctl |= I365_IOCTL_IOCS16(map);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700434 exca_writeb(socket, I365_IOCTL, ioctl);
435
436 if (io->flags & MAP_ACTIVE)
437 exca_writeb(socket, I365_ADDRWIN, addr | enable);
438 return 0;
439}
440
441static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
442{
443 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
444 struct pci_bus_region region;
445 int map;
446 unsigned char addr, enable;
447 unsigned int start, stop, card_start;
448 unsigned short word;
449
450 pcibios_resource_to_bus(socket->dev, &region, mem->res);
451
452 map = mem->map;
453 start = region.start;
454 stop = region.end;
455 card_start = mem->card_start;
456
457 if (map > 4 || start > stop || ((start ^ stop) >> 24) ||
458 (card_start >> 26) || mem->speed > 1000)
459 return -EINVAL;
460
461 enable = I365_ENA_MEM(map);
462 addr = exca_readb(socket, I365_ADDRWIN);
463 if (addr & enable) {
464 addr &= ~enable;
465 exca_writeb(socket, I365_ADDRWIN, addr);
466 }
467
468 exca_writeb(socket, CB_MEM_PAGE(map), start >> 24);
469
470 word = (start >> 12) & 0x0fff;
471 if (mem->flags & MAP_16BIT)
472 word |= I365_MEM_16BIT;
473 if (mem->flags & MAP_0WS)
474 word |= I365_MEM_0WS;
475 exca_writew(socket, I365_MEM(map) + I365_W_START, word);
476
477 word = (stop >> 12) & 0x0fff;
478 switch (to_cycles(mem->speed)) {
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100479 case 0:
480 break;
481 case 1:
482 word |= I365_MEM_WS0;
483 break;
484 case 2:
485 word |= I365_MEM_WS1;
486 break;
487 default:
488 word |= I365_MEM_WS1 | I365_MEM_WS0;
489 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700490 }
491 exca_writew(socket, I365_MEM(map) + I365_W_STOP, word);
492
493 word = ((card_start - start) >> 12) & 0x3fff;
494 if (mem->flags & MAP_WRPROT)
495 word |= I365_MEM_WRPROT;
496 if (mem->flags & MAP_ATTRIB)
497 word |= I365_MEM_REG;
498 exca_writew(socket, I365_MEM(map) + I365_W_OFF, word);
499
500 if (mem->flags & MAP_ACTIVE)
501 exca_writeb(socket, I365_ADDRWIN, addr | enable);
502 return 0;
503}
504
505
Daniel Ritzfa912bc2005-06-23 00:10:12 -0700506
David Howells7d12e782006-10-05 14:55:46 +0100507static irqreturn_t yenta_interrupt(int irq, void *dev_id)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700508{
Daniel Ritzfa912bc2005-06-23 00:10:12 -0700509 unsigned int events;
510 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700511 u8 csc;
512 u32 cb_event;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700513
514 /* Clear interrupt status for the event */
515 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
516 cb_writel(socket, CB_SOCKET_EVENT, cb_event);
517
518 csc = exca_readb(socket, I365_CSC);
519
Daniel Ritze4115802005-09-20 14:17:37 -0700520 if (!(cb_event || csc))
521 return IRQ_NONE;
522
Linus Torvalds1da177e2005-04-16 15:20:36 -0700523 events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ;
524 events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
525 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
526 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
527 } else {
528 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
529 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
530 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
531 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700532
Daniel Ritzfa912bc2005-06-23 00:10:12 -0700533 if (events)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700534 pcmcia_parse_events(&socket->socket, events);
Daniel Ritzfa912bc2005-06-23 00:10:12 -0700535
Daniel Ritze4115802005-09-20 14:17:37 -0700536 return IRQ_HANDLED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700537}
538
539static void yenta_interrupt_wrapper(unsigned long data)
540{
541 struct yenta_socket *socket = (struct yenta_socket *) data;
542
David Howells7d12e782006-10-05 14:55:46 +0100543 yenta_interrupt(0, (void *)socket);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700544 socket->poll_timer.expires = jiffies + HZ;
545 add_timer(&socket->poll_timer);
546}
547
548static void yenta_clear_maps(struct yenta_socket *socket)
549{
550 int i;
551 struct resource res = { .start = 0, .end = 0x0fff };
552 pccard_io_map io = { 0, 0, 0, 0, 1 };
553 pccard_mem_map mem = { .res = &res, };
554
555 yenta_set_socket(&socket->socket, &dead_socket);
556 for (i = 0; i < 2; i++) {
557 io.map = i;
558 yenta_set_io_map(&socket->socket, &io);
559 }
560 for (i = 0; i < 5; i++) {
561 mem.map = i;
562 yenta_set_mem_map(&socket->socket, &mem);
563 }
564}
565
Daniel Ritzfa912bc2005-06-23 00:10:12 -0700566/* redoes voltage interrogation if required */
567static void yenta_interrogate(struct yenta_socket *socket)
568{
569 u32 state;
570
571 state = cb_readl(socket, CB_SOCKET_STATE);
572 if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ||
573 (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) ||
574 ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD)))
575 cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST);
576}
577
Linus Torvalds1da177e2005-04-16 15:20:36 -0700578/* Called at resume and initialization events */
579static int yenta_sock_init(struct pcmcia_socket *sock)
580{
581 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700582
583 exca_writeb(socket, I365_GBLCTL, 0x00);
584 exca_writeb(socket, I365_GENCTL, 0x00);
585
586 /* Redo card voltage interrogation */
Daniel Ritzfa912bc2005-06-23 00:10:12 -0700587 yenta_interrogate(socket);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700588
589 yenta_clear_maps(socket);
590
591 if (socket->type && socket->type->sock_init)
592 socket->type->sock_init(socket);
593
594 /* Re-enable CSC interrupts */
595 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
596
597 return 0;
598}
599
600static int yenta_sock_suspend(struct pcmcia_socket *sock)
601{
602 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
603
604 /* Disable CSC interrupts */
605 cb_writel(socket, CB_SOCKET_MASK, 0x0);
606
607 return 0;
608}
609
610/*
611 * Use an adaptive allocation for the memory resource,
612 * sometimes the memory behind pci bridges is limited:
613 * 1/8 of the size of the io window of the parent.
Dominik Brodowskieb0a90b2005-07-12 13:58:17 -0700614 * max 4 MB, min 16 kB. We try very hard to not get below
615 * the "ACC" values, though.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700616 */
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100617#define BRIDGE_MEM_MAX (4*1024*1024)
618#define BRIDGE_MEM_ACC (128*1024)
619#define BRIDGE_MEM_MIN (16*1024)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700620
Dominik Brodowskieb0a90b2005-07-12 13:58:17 -0700621#define BRIDGE_IO_MAX 512
622#define BRIDGE_IO_ACC 256
Linus Torvalds1da177e2005-04-16 15:20:36 -0700623#define BRIDGE_IO_MIN 32
624
625#ifndef PCIBIOS_MIN_CARDBUS_IO
626#define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO
627#endif
628
Dominik Brodowskieb0a90b2005-07-12 13:58:17 -0700629static int yenta_search_one_res(struct resource *root, struct resource *res,
630 u32 min)
631{
632 u32 align, size, start, end;
633
634 if (res->flags & IORESOURCE_IO) {
635 align = 1024;
636 size = BRIDGE_IO_MAX;
637 start = PCIBIOS_MIN_CARDBUS_IO;
638 end = ~0U;
639 } else {
640 unsigned long avail = root->end - root->start;
641 int i;
642 size = BRIDGE_MEM_MAX;
643 if (size > avail/8) {
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100644 size = (avail+1)/8;
Dominik Brodowskieb0a90b2005-07-12 13:58:17 -0700645 /* round size down to next power of 2 */
646 i = 0;
647 while ((size /= 2) != 0)
648 i++;
649 size = 1 << i;
650 }
651 if (size < min)
652 size = min;
653 align = size;
654 start = PCIBIOS_MIN_MEM;
655 end = ~0U;
656 }
657
658 do {
659 if (allocate_resource(root, res, size, start, end, align,
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100660 NULL, NULL) == 0) {
Dominik Brodowskieb0a90b2005-07-12 13:58:17 -0700661 return 1;
662 }
663 size = size/2;
664 align = size;
665 } while (size >= min);
666
667 return 0;
668}
669
670
671static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
672 u32 min)
673{
Bjorn Helgaas89a74ec2010-02-23 10:24:31 -0700674 struct resource *root;
Dominik Brodowskieb0a90b2005-07-12 13:58:17 -0700675 int i;
Bjorn Helgaas89a74ec2010-02-23 10:24:31 -0700676
677 pci_bus_for_each_resource(socket->dev->bus, root, i) {
Dominik Brodowskieb0a90b2005-07-12 13:58:17 -0700678 if (!root)
679 continue;
680
681 if ((res->flags ^ root->flags) &
682 (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH))
683 continue; /* Wrong type */
684
685 if (yenta_search_one_res(root, res, min))
686 return 1;
687 }
688 return 0;
689}
690
Dominik Brodowskib3743fa2005-09-09 13:03:23 -0700691static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700692{
Matthew Wilcox852710d2009-06-19 09:36:15 -0400693 struct pci_dev *dev = socket->dev;
694 struct resource *res;
Dominik Brodowski43c34732005-08-04 18:06:21 -0700695 struct pci_bus_region region;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700696 unsigned mask;
697
Matthew Wilcox852710d2009-06-19 09:36:15 -0400698 res = dev->resource + PCI_BRIDGE_RESOURCES + nr;
Ivan Kokshaysky79254072005-06-27 16:28:02 -0700699 /* Already allocated? */
700 if (res->parent)
Dominik Brodowskib3743fa2005-09-09 13:03:23 -0700701 return 0;
Ivan Kokshaysky79254072005-06-27 16:28:02 -0700702
Linus Torvalds1da177e2005-04-16 15:20:36 -0700703 /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */
704 mask = ~0xfff;
705 if (type & IORESOURCE_IO)
706 mask = ~3;
707
Matthew Wilcox852710d2009-06-19 09:36:15 -0400708 res->name = dev->subordinate->name;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700709 res->flags = type;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700710
Dominik Brodowski43c34732005-08-04 18:06:21 -0700711 region.start = config_readl(socket, addr_start) & mask;
712 region.end = config_readl(socket, addr_end) | ~mask;
713 if (region.start && region.end > region.start && !override_bios) {
Matthew Wilcox852710d2009-06-19 09:36:15 -0400714 pcibios_bus_to_resource(dev, res, &region);
715 if (pci_claim_resource(dev, PCI_BRIDGE_RESOURCES + nr) == 0)
Dominik Brodowskib3743fa2005-09-09 13:03:23 -0700716 return 0;
Matthew Wilcox852710d2009-06-19 09:36:15 -0400717 dev_printk(KERN_INFO, &dev->dev,
Dominik Brodowskidd797d82008-08-02 17:54:14 +0200718 "Preassigned resource %d busy or not available, "
719 "reconfiguring...\n",
720 nr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700721 }
722
723 if (type & IORESOURCE_IO) {
Dominik Brodowskieb0a90b2005-07-12 13:58:17 -0700724 if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) ||
725 (yenta_search_res(socket, res, BRIDGE_IO_ACC)) ||
Dominik Brodowskib3743fa2005-09-09 13:03:23 -0700726 (yenta_search_res(socket, res, BRIDGE_IO_MIN)))
727 return 1;
Dominik Brodowskieb0a90b2005-07-12 13:58:17 -0700728 } else {
729 if (type & IORESOURCE_PREFETCH) {
730 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
731 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
Dominik Brodowskib3743fa2005-09-09 13:03:23 -0700732 (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
733 return 1;
Dominik Brodowskieb0a90b2005-07-12 13:58:17 -0700734 /* Approximating prefetchable by non-prefetchable */
735 res->flags = IORESOURCE_MEM;
736 }
737 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
738 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
Dominik Brodowskib3743fa2005-09-09 13:03:23 -0700739 (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
740 return 1;
Dominik Brodowskieb0a90b2005-07-12 13:58:17 -0700741 }
742
Matthew Wilcox852710d2009-06-19 09:36:15 -0400743 dev_printk(KERN_INFO, &dev->dev,
Dominik Brodowskidd797d82008-08-02 17:54:14 +0200744 "no resource of type %x available, trying to continue...\n",
745 type);
Dominik Brodowskieb0a90b2005-07-12 13:58:17 -0700746 res->start = res->end = res->flags = 0;
Dominik Brodowskib3743fa2005-09-09 13:03:23 -0700747 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700748}
749
750/*
751 * Allocate the bridge mappings for the device..
752 */
753static void yenta_allocate_resources(struct yenta_socket *socket)
754{
Dominik Brodowskib3743fa2005-09-09 13:03:23 -0700755 int program = 0;
756 program += yenta_allocate_res(socket, 0, IORESOURCE_IO,
Dominik Brodowski27879832005-07-12 13:58:16 -0700757 PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0);
Dominik Brodowskib3743fa2005-09-09 13:03:23 -0700758 program += yenta_allocate_res(socket, 1, IORESOURCE_IO,
Dominik Brodowski27879832005-07-12 13:58:16 -0700759 PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1);
Dominik Brodowskib3743fa2005-09-09 13:03:23 -0700760 program += yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH,
Dominik Brodowski27879832005-07-12 13:58:16 -0700761 PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0);
Dominik Brodowskib3743fa2005-09-09 13:03:23 -0700762 program += yenta_allocate_res(socket, 3, IORESOURCE_MEM,
Dominik Brodowski27879832005-07-12 13:58:16 -0700763 PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1);
Dominik Brodowskib3743fa2005-09-09 13:03:23 -0700764 if (program)
765 pci_setup_cardbus(socket->dev->subordinate);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700766}
767
768
769/*
770 * Free the bridge mappings for the device..
771 */
772static void yenta_free_resources(struct yenta_socket *socket)
773{
774 int i;
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100775 for (i = 0; i < 4; i++) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700776 struct resource *res;
777 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
778 if (res->start != 0 && res->end != 0)
779 release_resource(res);
Dominik Brodowskib3743fa2005-09-09 13:03:23 -0700780 res->start = res->end = res->flags = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700781 }
782}
783
784
785/*
786 * Close it down - release our resources and go home..
787 */
Mike Frysinger734f3fa2009-09-21 17:03:53 -0700788static void __devexit yenta_close(struct pci_dev *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700789{
790 struct yenta_socket *sock = pci_get_drvdata(dev);
791
Linus Torvalds030ee392005-10-28 13:55:08 -0700792 /* Remove the register attributes */
793 device_remove_file(&dev->dev, &dev_attr_yenta_registers);
794
Linus Torvalds1da177e2005-04-16 15:20:36 -0700795 /* we don't want a dying socket registered */
796 pcmcia_unregister_socket(&sock->socket);
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100797
Linus Torvalds1da177e2005-04-16 15:20:36 -0700798 /* Disable all events so we don't die in an IRQ storm */
799 cb_writel(sock, CB_SOCKET_MASK, 0x0);
800 exca_writeb(sock, I365_CSCINT, 0);
801
802 if (sock->cb_irq)
803 free_irq(sock->cb_irq, sock);
804 else
805 del_timer_sync(&sock->poll_timer);
806
807 if (sock->base)
808 iounmap(sock->base);
809 yenta_free_resources(sock);
810
811 pci_release_regions(dev);
812 pci_disable_device(dev);
813 pci_set_drvdata(dev, NULL);
814}
815
816
817static struct pccard_operations yenta_socket_operations = {
818 .init = yenta_sock_init,
819 .suspend = yenta_sock_suspend,
820 .get_status = yenta_get_status,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700821 .set_socket = yenta_set_socket,
822 .set_io_map = yenta_set_io_map,
823 .set_mem_map = yenta_set_mem_map,
824};
825
826
Daniel Ritz63e7ebd2005-11-03 21:12:14 +0100827#ifdef CONFIG_YENTA_TI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700828#include "ti113x.h"
Daniel Ritz63e7ebd2005-11-03 21:12:14 +0100829#endif
830#ifdef CONFIG_YENTA_RICOH
Linus Torvalds1da177e2005-04-16 15:20:36 -0700831#include "ricoh.h"
Daniel Ritz63e7ebd2005-11-03 21:12:14 +0100832#endif
833#ifdef CONFIG_YENTA_TOSHIBA
Linus Torvalds1da177e2005-04-16 15:20:36 -0700834#include "topic.h"
Daniel Ritz63e7ebd2005-11-03 21:12:14 +0100835#endif
836#ifdef CONFIG_YENTA_O2
Linus Torvalds1da177e2005-04-16 15:20:36 -0700837#include "o2micro.h"
Daniel Ritz63e7ebd2005-11-03 21:12:14 +0100838#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700839
840enum {
841 CARDBUS_TYPE_DEFAULT = -1,
842 CARDBUS_TYPE_TI,
843 CARDBUS_TYPE_TI113X,
844 CARDBUS_TYPE_TI12XX,
845 CARDBUS_TYPE_TI1250,
846 CARDBUS_TYPE_RICOH,
Daniel Ritzea2f1592005-09-06 15:16:50 -0700847 CARDBUS_TYPE_TOPIC95,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700848 CARDBUS_TYPE_TOPIC97,
849 CARDBUS_TYPE_O2MICRO,
Daniel Ritz8c3520d2005-08-21 22:29:26 -0700850 CARDBUS_TYPE_ENE,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700851};
852
853/*
854 * Different cardbus controllers have slightly different
855 * initialization sequences etc details. List them here..
856 */
857static struct cardbus_type cardbus_type[] = {
Daniel Ritz63e7ebd2005-11-03 21:12:14 +0100858#ifdef CONFIG_YENTA_TI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700859 [CARDBUS_TYPE_TI] = {
860 .override = ti_override,
861 .save_state = ti_save_state,
862 .restore_state = ti_restore_state,
863 .sock_init = ti_init,
864 },
865 [CARDBUS_TYPE_TI113X] = {
866 .override = ti113x_override,
867 .save_state = ti_save_state,
868 .restore_state = ti_restore_state,
869 .sock_init = ti_init,
870 },
871 [CARDBUS_TYPE_TI12XX] = {
872 .override = ti12xx_override,
873 .save_state = ti_save_state,
874 .restore_state = ti_restore_state,
875 .sock_init = ti_init,
876 },
877 [CARDBUS_TYPE_TI1250] = {
878 .override = ti1250_override,
879 .save_state = ti_save_state,
880 .restore_state = ti_restore_state,
881 .sock_init = ti_init,
882 },
Daniel Ritz63e7ebd2005-11-03 21:12:14 +0100883#endif
884#ifdef CONFIG_YENTA_RICOH
Linus Torvalds1da177e2005-04-16 15:20:36 -0700885 [CARDBUS_TYPE_RICOH] = {
886 .override = ricoh_override,
887 .save_state = ricoh_save_state,
888 .restore_state = ricoh_restore_state,
889 },
Daniel Ritz63e7ebd2005-11-03 21:12:14 +0100890#endif
891#ifdef CONFIG_YENTA_TOSHIBA
Daniel Ritzea2f1592005-09-06 15:16:50 -0700892 [CARDBUS_TYPE_TOPIC95] = {
893 .override = topic95_override,
894 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700895 [CARDBUS_TYPE_TOPIC97] = {
896 .override = topic97_override,
897 },
Daniel Ritz63e7ebd2005-11-03 21:12:14 +0100898#endif
899#ifdef CONFIG_YENTA_O2
Linus Torvalds1da177e2005-04-16 15:20:36 -0700900 [CARDBUS_TYPE_O2MICRO] = {
901 .override = o2micro_override,
902 .restore_state = o2micro_restore_state,
903 },
Daniel Ritz63e7ebd2005-11-03 21:12:14 +0100904#endif
905#ifdef CONFIG_YENTA_TI
Daniel Ritz8c3520d2005-08-21 22:29:26 -0700906 [CARDBUS_TYPE_ENE] = {
907 .override = ene_override,
908 .save_state = ti_save_state,
909 .restore_state = ti_restore_state,
910 .sock_init = ti_init,
911 },
Daniel Ritz63e7ebd2005-11-03 21:12:14 +0100912#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700913};
914
915
Linus Torvalds1da177e2005-04-16 15:20:36 -0700916static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask)
917{
918 int i;
919 unsigned long val;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700920 u32 mask;
Jens Künzer28ca8dd2010-03-06 07:46:16 +0100921 u8 reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700922
Linus Torvalds1da177e2005-04-16 15:20:36 -0700923 /*
924 * Probe for usable interrupts using the force
925 * register to generate bogus card status events.
926 */
927 cb_writel(socket, CB_SOCKET_EVENT, -1);
928 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
Jens Künzer28ca8dd2010-03-06 07:46:16 +0100929 reg = exca_readb(socket, I365_CSCINT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700930 exca_writeb(socket, I365_CSCINT, 0);
931 val = probe_irq_on() & isa_irq_mask;
932 for (i = 1; i < 16; i++) {
933 if (!((val >> i) & 1))
934 continue;
935 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG | (i << 4));
936 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
937 udelay(100);
938 cb_writel(socket, CB_SOCKET_EVENT, -1);
939 }
940 cb_writel(socket, CB_SOCKET_MASK, 0);
Jens Künzer28ca8dd2010-03-06 07:46:16 +0100941 exca_writeb(socket, I365_CSCINT, reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700942
943 mask = probe_irq_mask(val) & 0xffff;
944
Linus Torvalds1da177e2005-04-16 15:20:36 -0700945 return mask;
946}
947
948
Randy Dunlap78187862007-12-10 15:49:22 -0800949/*
Daniel Ritz63e7ebd2005-11-03 21:12:14 +0100950 * yenta PCI irq probing.
951 * currently only used in the TI/EnE initialization code
952 */
953#ifdef CONFIG_YENTA_TI
954
Linus Torvalds1da177e2005-04-16 15:20:36 -0700955/* interrupt handler, only used during probing */
David Howells7d12e782006-10-05 14:55:46 +0100956static irqreturn_t yenta_probe_handler(int irq, void *dev_id)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700957{
958 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
959 u8 csc;
Dominik Brodowski9fea84f2009-12-07 22:11:45 +0100960 u32 cb_event;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700961
962 /* Clear interrupt status for the event */
963 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
964 cb_writel(socket, CB_SOCKET_EVENT, -1);
965 csc = exca_readb(socket, I365_CSC);
966
967 if (cb_event || csc) {
968 socket->probe_status = 1;
969 return IRQ_HANDLED;
970 }
971
972 return IRQ_NONE;
973}
974
975/* probes the PCI interrupt, use only on override functions */
976static int yenta_probe_cb_irq(struct yenta_socket *socket)
977{
Jens Künzer28ca8dd2010-03-06 07:46:16 +0100978 u8 reg;
979
Linus Torvalds1da177e2005-04-16 15:20:36 -0700980 if (!socket->cb_irq)
981 return -1;
982
983 socket->probe_status = 0;
984
Thomas Gleixnerdace1452006-07-01 19:29:38 -0700985 if (request_irq(socket->cb_irq, yenta_probe_handler, IRQF_SHARED, "yenta", socket)) {
Dominik Brodowskidd797d82008-08-02 17:54:14 +0200986 dev_printk(KERN_WARNING, &socket->dev->dev,
987 "request_irq() in yenta_probe_cb_irq() failed!\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700988 return -1;
989 }
990
991 /* generate interrupt, wait */
Jens Künzer28ca8dd2010-03-06 07:46:16 +0100992 reg = exca_readb(socket, I365_CSCINT);
993 exca_writeb(socket, I365_CSCINT, reg | I365_CSC_STSCHG);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700994 cb_writel(socket, CB_SOCKET_EVENT, -1);
995 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
996 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
Daniel Ritza413c092005-08-24 17:03:23 +0200997
Linus Torvalds1da177e2005-04-16 15:20:36 -0700998 msleep(100);
999
1000 /* disable interrupts */
1001 cb_writel(socket, CB_SOCKET_MASK, 0);
Jens Künzer28ca8dd2010-03-06 07:46:16 +01001002 exca_writeb(socket, I365_CSCINT, reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001003 cb_writel(socket, CB_SOCKET_EVENT, -1);
1004 exca_readb(socket, I365_CSC);
1005
1006 free_irq(socket->cb_irq, socket);
1007
1008 return (int) socket->probe_status;
1009}
1010
Daniel Ritz63e7ebd2005-11-03 21:12:14 +01001011#endif /* CONFIG_YENTA_TI */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001012
1013
1014/*
1015 * Set static data that doesn't need re-initializing..
1016 */
1017static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask)
1018{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001019 socket->socket.pci_irq = socket->cb_irq;
Daniel Ritzfa912bc2005-06-23 00:10:12 -07001020 if (isa_probe)
1021 socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask);
1022 else
1023 socket->socket.irq_mask = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001024
Dominik Brodowskidd797d82008-08-02 17:54:14 +02001025 dev_printk(KERN_INFO, &socket->dev->dev,
1026 "ISA IRQ mask 0x%04x, PCI irq %d\n",
1027 socket->socket.irq_mask, socket->cb_irq);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001028}
1029
1030/*
1031 * Initialize the standard cardbus registers
1032 */
1033static void yenta_config_init(struct yenta_socket *socket)
1034{
1035 u16 bridge;
1036 struct pci_dev *dev = socket->dev;
Dominik Brodowski8e5d17e2005-09-07 16:00:28 -07001037 struct pci_bus_region region;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001038
Dominik Brodowski8e5d17e2005-09-07 16:00:28 -07001039 pcibios_resource_to_bus(socket->dev, &region, &dev->resource[0]);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001040
1041 config_writel(socket, CB_LEGACY_MODE_BASE, 0);
Dominik Brodowski8e5d17e2005-09-07 16:00:28 -07001042 config_writel(socket, PCI_BASE_ADDRESS_0, region.start);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001043 config_writew(socket, PCI_COMMAND,
1044 PCI_COMMAND_IO |
1045 PCI_COMMAND_MEMORY |
1046 PCI_COMMAND_MASTER |
1047 PCI_COMMAND_WAIT);
1048
1049 /* MAGIC NUMBERS! Fixme */
1050 config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4);
1051 config_writeb(socket, PCI_LATENCY_TIMER, 168);
1052 config_writel(socket, PCI_PRIMARY_BUS,
1053 (176 << 24) | /* sec. latency timer */
1054 (dev->subordinate->subordinate << 16) | /* subordinate bus */
1055 (dev->subordinate->secondary << 8) | /* secondary bus */
1056 dev->subordinate->primary); /* primary bus */
1057
1058 /*
1059 * Set up the bridging state:
1060 * - enable write posting.
1061 * - memory window 0 prefetchable, window 1 non-prefetchable
1062 * - PCI interrupts enabled if a PCI interrupt exists..
1063 */
1064 bridge = config_readw(socket, CB_BRIDGE_CONTROL);
Daniel Ritza413c092005-08-24 17:03:23 +02001065 bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN);
1066 bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001067 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
1068}
1069
Bernhard Kaindlb4352612006-05-30 18:00:34 +02001070/**
Randy Dunlap66005212006-06-06 12:06:41 -07001071 * yenta_fixup_parent_bridge - Fix subordinate bus# of the parent bridge
Bernhard Kaindlb4352612006-05-30 18:00:34 +02001072 * @cardbus_bridge: The PCI bus which the CardBus bridge bridges to
1073 *
1074 * Checks if devices on the bus which the CardBus bridge bridges to would be
1075 * invisible during PCI scans because of a misconfigured subordinate number
1076 * of the parent brige - some BIOSes seem to be too lazy to set it right.
1077 * Does the fixup carefully by checking how far it can go without conflicts.
Randy Dunlap78187862007-12-10 15:49:22 -08001078 * See http\://bugzilla.kernel.org/show_bug.cgi?id=2944 for more information.
Bernhard Kaindlb4352612006-05-30 18:00:34 +02001079 */
1080static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge)
1081{
1082 struct list_head *tmp;
1083 unsigned char upper_limit;
Dominik Brodowski9fea84f2009-12-07 22:11:45 +01001084 /*
Bernhard Kaindlb4352612006-05-30 18:00:34 +02001085 * We only check and fix the parent bridge: All systems which need
1086 * this fixup that have been reviewed are laptops and the only bridge
1087 * which needed fixing was the parent bridge of the CardBus bridge:
1088 */
1089 struct pci_bus *bridge_to_fix = cardbus_bridge->parent;
1090
1091 /* Check bus numbers are already set up correctly: */
1092 if (bridge_to_fix->subordinate >= cardbus_bridge->subordinate)
1093 return; /* The subordinate number is ok, nothing to do */
1094
1095 if (!bridge_to_fix->parent)
1096 return; /* Root bridges are ok */
1097
1098 /* stay within the limits of the bus range of the parent: */
1099 upper_limit = bridge_to_fix->parent->subordinate;
1100
1101 /* check the bus ranges of all silbling bridges to prevent overlap */
1102 list_for_each(tmp, &bridge_to_fix->parent->children) {
Dominik Brodowski9fea84f2009-12-07 22:11:45 +01001103 struct pci_bus *silbling = pci_bus_b(tmp);
Bernhard Kaindlb4352612006-05-30 18:00:34 +02001104 /*
1105 * If the silbling has a higher secondary bus number
1106 * and it's secondary is equal or smaller than our
1107 * current upper limit, set the new upper limit to
1108 * the bus number below the silbling's range:
1109 */
1110 if (silbling->secondary > bridge_to_fix->subordinate
1111 && silbling->secondary <= upper_limit)
1112 upper_limit = silbling->secondary - 1;
1113 }
1114
1115 /* Show that the wanted subordinate number is not possible: */
1116 if (cardbus_bridge->subordinate > upper_limit)
Dominik Brodowskidd797d82008-08-02 17:54:14 +02001117 dev_printk(KERN_WARNING, &cardbus_bridge->dev,
1118 "Upper limit for fixing this "
1119 "bridge's parent bridge: #%02x\n", upper_limit);
Bernhard Kaindlb4352612006-05-30 18:00:34 +02001120
1121 /* If we have room to increase the bridge's subordinate number, */
1122 if (bridge_to_fix->subordinate < upper_limit) {
1123
1124 /* use the highest number of the hidden bus, within limits */
1125 unsigned char subordinate_to_assign =
1126 min(cardbus_bridge->subordinate, upper_limit);
1127
Dominik Brodowskidd797d82008-08-02 17:54:14 +02001128 dev_printk(KERN_INFO, &bridge_to_fix->dev,
1129 "Raising subordinate bus# of parent "
1130 "bus (#%02x) from #%02x to #%02x\n",
1131 bridge_to_fix->number,
1132 bridge_to_fix->subordinate, subordinate_to_assign);
Bernhard Kaindlb4352612006-05-30 18:00:34 +02001133
1134 /* Save the new subordinate in the bus struct of the bridge */
1135 bridge_to_fix->subordinate = subordinate_to_assign;
1136
1137 /* and update the PCI config space with the new subordinate */
1138 pci_write_config_byte(bridge_to_fix->self,
1139 PCI_SUBORDINATE_BUS, bridge_to_fix->subordinate);
1140 }
1141}
1142
Linus Torvalds1da177e2005-04-16 15:20:36 -07001143/*
1144 * Initialize a cardbus controller. Make sure we have a usable
1145 * interrupt, and that we can map the cardbus area. Fill in the
1146 * socket information structure..
1147 */
Dominik Brodowski9fea84f2009-12-07 22:11:45 +01001148static int __devinit yenta_probe(struct pci_dev *dev, const struct pci_device_id *id)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001149{
1150 struct yenta_socket *socket;
1151 int ret;
Ivan Kokshayskyc7fb0b32005-09-14 23:05:30 +04001152
1153 /*
1154 * If we failed to assign proper bus numbers for this cardbus
1155 * controller during PCI probe, its subordinate pci_bus is NULL.
1156 * Bail out if so.
1157 */
1158 if (!dev->subordinate) {
Dominik Brodowskidd797d82008-08-02 17:54:14 +02001159 dev_printk(KERN_ERR, &dev->dev, "no bus associated! "
1160 "(try 'pci=assign-busses')\n");
Ivan Kokshayskyc7fb0b32005-09-14 23:05:30 +04001161 return -ENODEV;
1162 }
1163
Dominik Brodowski8084b372005-12-11 21:18:26 +01001164 socket = kzalloc(sizeof(struct yenta_socket), GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001165 if (!socket)
1166 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001167
1168 /* prepare pcmcia_socket */
1169 socket->socket.ops = &yenta_socket_operations;
1170 socket->socket.resource_ops = &pccard_nonstatic_ops;
Greg Kroah-Hartman87373312006-09-12 17:00:10 +02001171 socket->socket.dev.parent = &dev->dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001172 socket->socket.driver_data = socket;
1173 socket->socket.owner = THIS_MODULE;
Russell King5bc6b682005-07-07 17:59:07 -07001174 socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD;
1175 socket->socket.map_size = 0x1000;
1176 socket->socket.cb_dev = dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001177
1178 /* prepare struct yenta_socket */
1179 socket->dev = dev;
1180 pci_set_drvdata(dev, socket);
1181
1182 /*
1183 * Do some basic sanity checking..
1184 */
1185 if (pci_enable_device(dev)) {
1186 ret = -EBUSY;
1187 goto free;
1188 }
1189
1190 ret = pci_request_regions(dev, "yenta_socket");
1191 if (ret)
1192 goto disable;
1193
1194 if (!pci_resource_start(dev, 0)) {
Dominik Brodowskidd797d82008-08-02 17:54:14 +02001195 dev_printk(KERN_ERR, &dev->dev, "No cardbus resource!\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001196 ret = -ENODEV;
1197 goto release;
1198 }
1199
1200 /*
1201 * Ok, start setup.. Map the cardbus registers,
1202 * and request the IRQ.
1203 */
1204 socket->base = ioremap(pci_resource_start(dev, 0), 0x1000);
1205 if (!socket->base) {
1206 ret = -ENOMEM;
1207 goto release;
1208 }
1209
1210 /*
1211 * report the subsystem vendor and device for help debugging
1212 * the irq stuff...
1213 */
Dominik Brodowskidd797d82008-08-02 17:54:14 +02001214 dev_printk(KERN_INFO, &dev->dev, "CardBus bridge found [%04x:%04x]\n",
1215 dev->subsystem_vendor, dev->subsystem_device);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001216
1217 yenta_config_init(socket);
1218
1219 /* Disable all events */
1220 cb_writel(socket, CB_SOCKET_MASK, 0x0);
1221
1222 /* Set up the bridge regions.. */
1223 yenta_allocate_resources(socket);
1224
1225 socket->cb_irq = dev->irq;
1226
1227 /* Do we have special options for the device? */
1228 if (id->driver_data != CARDBUS_TYPE_DEFAULT &&
1229 id->driver_data < ARRAY_SIZE(cardbus_type)) {
1230 socket->type = &cardbus_type[id->driver_data];
1231
1232 ret = socket->type->override(socket);
1233 if (ret < 0)
1234 goto unmap;
1235 }
1236
1237 /* We must finish initialization here */
1238
Thomas Gleixnerdace1452006-07-01 19:29:38 -07001239 if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001240 /* No IRQ or request_irq failed. Poll */
1241 socket->cb_irq = 0; /* But zero is a valid IRQ number. */
1242 init_timer(&socket->poll_timer);
1243 socket->poll_timer.function = yenta_interrupt_wrapper;
1244 socket->poll_timer.data = (unsigned long)socket;
1245 socket->poll_timer.expires = jiffies + HZ;
1246 add_timer(&socket->poll_timer);
Dominik Brodowskidd797d82008-08-02 17:54:14 +02001247 dev_printk(KERN_INFO, &dev->dev,
1248 "no PCI IRQ, CardBus support disabled for this "
1249 "socket.\n");
1250 dev_printk(KERN_INFO, &dev->dev,
1251 "check your BIOS CardBus, BIOS IRQ or ACPI "
1252 "settings.\n");
Russell King5bc6b682005-07-07 17:59:07 -07001253 } else {
1254 socket->socket.features |= SS_CAP_CARDBUS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001255 }
1256
1257 /* Figure out what the dang thing can do for the PCMCIA layer... */
Daniel Ritzfa912bc2005-06-23 00:10:12 -07001258 yenta_interrogate(socket);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001259 yenta_get_socket_capabilities(socket, isa_interrupts);
Dominik Brodowskidd797d82008-08-02 17:54:14 +02001260 dev_printk(KERN_INFO, &dev->dev,
1261 "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001262
Bernhard Kaindlb4352612006-05-30 18:00:34 +02001263 yenta_fixup_parent_bridge(dev->subordinate);
1264
Linus Torvalds1da177e2005-04-16 15:20:36 -07001265 /* Register it with the pcmcia layer.. */
1266 ret = pcmcia_register_socket(&socket->socket);
Linus Torvalds030ee392005-10-28 13:55:08 -07001267 if (ret == 0) {
1268 /* Add the yenta register attributes */
Jeff Garzik4deb7c12006-10-20 14:44:23 -07001269 ret = device_create_file(&dev->dev, &dev_attr_yenta_registers);
1270 if (ret == 0)
1271 goto out;
1272
1273 /* error path... */
1274 pcmcia_unregister_socket(&socket->socket);
Linus Torvalds030ee392005-10-28 13:55:08 -07001275 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001276
1277 unmap:
1278 iounmap(socket->base);
1279 release:
1280 pci_release_regions(dev);
1281 disable:
1282 pci_disable_device(dev);
1283 free:
1284 kfree(socket);
1285 out:
1286 return ret;
1287}
1288
Alexey Dobriyanf237de52006-10-20 14:44:13 -07001289#ifdef CONFIG_PM
Rafael J. Wysocki0c570cd2009-09-29 00:11:03 +02001290static int yenta_dev_suspend_noirq(struct device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001291{
Rafael J. Wysocki0c570cd2009-09-29 00:11:03 +02001292 struct pci_dev *pdev = to_pci_dev(dev);
1293 struct yenta_socket *socket = pci_get_drvdata(pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001294
Rafael J. Wysocki0c570cd2009-09-29 00:11:03 +02001295 if (!socket)
Dominik Brodowskid7646f72010-03-15 21:46:34 +01001296 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001297
Rafael J. Wysocki0c570cd2009-09-29 00:11:03 +02001298 if (socket->type && socket->type->save_state)
1299 socket->type->save_state(socket);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001300
Rafael J. Wysocki0c570cd2009-09-29 00:11:03 +02001301 pci_save_state(pdev);
1302 pci_read_config_dword(pdev, 16*4, &socket->saved_state[0]);
1303 pci_read_config_dword(pdev, 17*4, &socket->saved_state[1]);
1304 pci_disable_device(pdev);
1305
1306 /*
1307 * Some laptops (IBM T22) do not like us putting the Cardbus
1308 * bridge into D3. At a guess, some other laptop will
1309 * probably require this, so leave it commented out for now.
1310 */
1311 /* pci_set_power_state(dev, 3); */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001312
Dominik Brodowskid7646f72010-03-15 21:46:34 +01001313 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001314}
1315
Rafael J. Wysocki0c570cd2009-09-29 00:11:03 +02001316static int yenta_dev_resume_noirq(struct device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001317{
Rafael J. Wysocki0c570cd2009-09-29 00:11:03 +02001318 struct pci_dev *pdev = to_pci_dev(dev);
1319 struct yenta_socket *socket = pci_get_drvdata(pdev);
1320 int ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001321
Rafael J. Wysocki0c570cd2009-09-29 00:11:03 +02001322 if (!socket)
1323 return 0;
Jeff Garzik4deb7c12006-10-20 14:44:23 -07001324
Rafael J. Wysocki0c570cd2009-09-29 00:11:03 +02001325 pci_write_config_dword(pdev, 16*4, socket->saved_state[0]);
1326 pci_write_config_dword(pdev, 17*4, socket->saved_state[1]);
Jeff Garzik4deb7c12006-10-20 14:44:23 -07001327
Rafael J. Wysocki0c570cd2009-09-29 00:11:03 +02001328 ret = pci_enable_device(pdev);
1329 if (ret)
1330 return ret;
Jeff Garzik4deb7c12006-10-20 14:44:23 -07001331
Rafael J. Wysocki0c570cd2009-09-29 00:11:03 +02001332 pci_set_master(pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001333
Rafael J. Wysocki0c570cd2009-09-29 00:11:03 +02001334 if (socket->type && socket->type->restore_state)
1335 socket->type->restore_state(socket);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001336
Rafael J. Wysocki9905d1b2009-11-03 10:54:58 +01001337 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001338}
Rafael J. Wysocki0c570cd2009-09-29 00:11:03 +02001339
Alexey Dobriyan47145212009-12-14 18:00:08 -08001340static const struct dev_pm_ops yenta_pm_ops = {
Rafael J. Wysocki0c570cd2009-09-29 00:11:03 +02001341 .suspend_noirq = yenta_dev_suspend_noirq,
1342 .resume_noirq = yenta_dev_resume_noirq,
1343 .freeze_noirq = yenta_dev_suspend_noirq,
1344 .thaw_noirq = yenta_dev_resume_noirq,
1345 .poweroff_noirq = yenta_dev_suspend_noirq,
1346 .restore_noirq = yenta_dev_resume_noirq,
1347};
1348
1349#define YENTA_PM_OPS (&yenta_pm_ops)
1350#else
1351#define YENTA_PM_OPS NULL
Alexey Dobriyanf237de52006-10-20 14:44:13 -07001352#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07001353
Dominik Brodowski9fea84f2009-12-07 22:11:45 +01001354#define CB_ID(vend, dev, type) \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001355 { \
1356 .vendor = vend, \
1357 .device = dev, \
1358 .subvendor = PCI_ANY_ID, \
1359 .subdevice = PCI_ANY_ID, \
1360 .class = PCI_CLASS_BRIDGE_CARDBUS << 8, \
1361 .class_mask = ~0, \
1362 .driver_data = CARDBUS_TYPE_##type, \
1363 }
1364
Dominik Brodowski9fea84f2009-12-07 22:11:45 +01001365static struct pci_device_id yenta_table[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001366 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI),
1367
1368 /*
1369 * TBD: Check if these TI variants can use more
1370 * advanced overrides instead. (I can't get the
1371 * data sheets for these devices. --rmk)
1372 */
Daniel Ritz63e7ebd2005-11-03 21:12:14 +01001373#ifdef CONFIG_YENTA_TI
Linus Torvalds1da177e2005-04-16 15:20:36 -07001374 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1210, TI),
1375
1376 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1130, TI113X),
1377 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1131, TI113X),
1378
1379 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1211, TI12XX),
1380 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1220, TI12XX),
1381 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1221, TI12XX),
1382 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1225, TI12XX),
1383 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251A, TI12XX),
1384 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251B, TI12XX),
1385 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420, TI12XX),
1386 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1450, TI12XX),
1387 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1451A, TI12XX),
1388 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510, TI12XX),
1389 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, TI12XX),
1390 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1620, TI12XX),
1391 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4410, TI12XX),
1392 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4450, TI12XX),
1393 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4451, TI12XX),
1394 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4510, TI12XX),
1395 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4520, TI12XX),
1396
1397 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250),
1398 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250),
1399
Daniel Ritz6c1a10d2005-09-20 14:12:17 -07001400 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX21_XX11, TI12XX),
1401 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X515, TI12XX),
Alex Williamson59e35ba2006-05-08 23:22:07 -06001402 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX12, TI12XX),
Daniel Ritz6c1a10d2005-09-20 14:12:17 -07001403 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X420, TI12XX),
1404 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X620, TI12XX),
1405 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7410, TI12XX),
1406 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX),
1407 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX),
1408
Michal Peciof3d4ae42010-02-02 14:39:47 -08001409 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, ENE),
1410 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, ENE),
1411 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, ENE),
1412 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, ENE),
Daniel Ritz8c3520d2005-08-21 22:29:26 -07001413 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE),
1414 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE),
1415 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE),
1416 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, ENE),
Daniel Ritz63e7ebd2005-11-03 21:12:14 +01001417#endif /* CONFIG_YENTA_TI */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001418
Daniel Ritz63e7ebd2005-11-03 21:12:14 +01001419#ifdef CONFIG_YENTA_RICOH
Linus Torvalds1da177e2005-04-16 15:20:36 -07001420 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH),
1421 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH),
1422 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C475, RICOH),
1423 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH),
1424 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH),
Daniel Ritz63e7ebd2005-11-03 21:12:14 +01001425#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07001426
Daniel Ritz63e7ebd2005-11-03 21:12:14 +01001427#ifdef CONFIG_YENTA_TOSHIBA
Daniel Ritzea2f1592005-09-06 15:16:50 -07001428 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC95, TOPIC95),
Linus Torvalds1da177e2005-04-16 15:20:36 -07001429 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97),
1430 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97),
Daniel Ritz63e7ebd2005-11-03 21:12:14 +01001431#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07001432
Daniel Ritz63e7ebd2005-11-03 21:12:14 +01001433#ifdef CONFIG_YENTA_O2
Linus Torvalds1da177e2005-04-16 15:20:36 -07001434 CB_ID(PCI_VENDOR_ID_O2, PCI_ANY_ID, O2MICRO),
Daniel Ritz63e7ebd2005-11-03 21:12:14 +01001435#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07001436
1437 /* match any cardbus bridge */
1438 CB_ID(PCI_ANY_ID, PCI_ANY_ID, DEFAULT),
1439 { /* all zeroes */ }
1440};
1441MODULE_DEVICE_TABLE(pci, yenta_table);
1442
1443
1444static struct pci_driver yenta_cardbus_driver = {
1445 .name = "yenta_cardbus",
1446 .id_table = yenta_table,
1447 .probe = yenta_probe,
1448 .remove = __devexit_p(yenta_close),
Rafael J. Wysocki0c570cd2009-09-29 00:11:03 +02001449 .driver.pm = YENTA_PM_OPS,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001450};
1451
1452
1453static int __init yenta_socket_init(void)
1454{
Dominik Brodowski9fea84f2009-12-07 22:11:45 +01001455 return pci_register_driver(&yenta_cardbus_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001456}
1457
1458
Dominik Brodowski9fea84f2009-12-07 22:11:45 +01001459static void __exit yenta_socket_exit(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001460{
Dominik Brodowski9fea84f2009-12-07 22:11:45 +01001461 pci_unregister_driver(&yenta_cardbus_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001462}
1463
1464
1465module_init(yenta_socket_init);
1466module_exit(yenta_socket_exit);
1467
1468MODULE_LICENSE("GPL");