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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2006-09-16 18:00:54 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-10-01 12:06:37 -0400
commitefd92dfaad962c4fbaf4251b28578c97bd3aa85f (patch)
treed3f0a68985fb72423681ac005df3500d8e3955b3 /drivers/serial/serial_cs.c
parent7ef057fa707897c19725d7e07123e57f6aea79db (diff)
[SERIAL] serial_cs: add configuration quirk
Add a quirk primerily to handle tweaks to the link->conf structure, eg as required for Socket cards. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/serial/serial_cs.c')
-rw-r--r--drivers/serial/serial_cs.c39
1 files changed, 34 insertions, 5 deletions
diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c
index 8e48cb659b3d..788ba404efc6 100644
--- a/drivers/serial/serial_cs.c
+++ b/drivers/serial/serial_cs.c
@@ -84,6 +84,7 @@ struct serial_quirk {
84 unsigned int manfid; 84 unsigned int manfid;
85 unsigned int prodid; 85 unsigned int prodid;
86 int multi; /* 1 = multifunction, > 1 = # ports */ 86 int multi; /* 1 = multifunction, > 1 = # ports */
87 void (*config)(struct pcmcia_device *);
87 void (*wakeup)(struct pcmcia_device *); 88 void (*wakeup)(struct pcmcia_device *);
88 int (*post)(struct pcmcia_device *); 89 int (*post)(struct pcmcia_device *);
89}; 90};
@@ -164,6 +165,19 @@ static void quirk_wakeup_possio_gcc(struct pcmcia_device *link)
164 outb(0xC, ctrl + 1); 165 outb(0xC, ctrl + 1);
165} 166}
166 167
168/*
169 * Socket Dual IO: this enables irq's for second port
170 */
171static void quirk_config_socket(struct pcmcia_device *link)
172{
173 struct serial_info *info = link->priv;
174
175 if (info->multi) {
176 link->conf.Present |= PRESENT_EXT_STATUS;
177 link->conf.ExtStatus = ESR_REQ_ATTN_ENA;
178 }
179}
180
167static const struct serial_quirk quirks[] = { 181static const struct serial_quirk quirks[] = {
168 { 182 {
169 .manfid = MANFID_IBM, 183 .manfid = MANFID_IBM,
@@ -208,6 +222,12 @@ static const struct serial_quirk quirks[] = {
208 .manfid = MANFID_SOCKET, 222 .manfid = MANFID_SOCKET,
209 .prodid = PRODID_SOCKET_DUAL_RS232, 223 .prodid = PRODID_SOCKET_DUAL_RS232,
210 .multi = 2, 224 .multi = 2,
225 .config = quirk_config_socket,
226 }, {
227 .manfid = MANFID_SOCKET,
228 .prodid = ~0,
229 .multi = -1,
230 .config = quirk_config_socket,
211 } 231 }
212}; 232};
213 233
@@ -504,6 +524,13 @@ next_entry:
504 } 524 }
505 if (info->multi && (info->manfid == MANFID_3COM)) 525 if (info->multi && (info->manfid == MANFID_3COM))
506 link->conf.ConfigIndex &= ~(0x08); 526 link->conf.ConfigIndex &= ~(0x08);
527
528 /*
529 * Apply any configuration quirks.
530 */
531 if (info->quirk && info->quirk->config)
532 info->quirk->config(link);
533
507 i = pcmcia_request_configuration(link, &link->conf); 534 i = pcmcia_request_configuration(link, &link->conf);
508 if (i != CS_SUCCESS) { 535 if (i != CS_SUCCESS) {
509 cs_error(link, RequestConfiguration, i); 536 cs_error(link, RequestConfiguration, i);
@@ -592,11 +619,13 @@ static int multi_config(struct pcmcia_device * link)
592 cs_error(link, RequestIRQ, i); 619 cs_error(link, RequestIRQ, i);
593 link->irq.AssignedIRQ = 0; 620 link->irq.AssignedIRQ = 0;
594 } 621 }
595 /* Socket Dual IO: this enables irq's for second port */ 622
596 if (info->multi && (info->manfid == MANFID_SOCKET)) { 623 /*
597 link->conf.Present |= PRESENT_EXT_STATUS; 624 * Apply any configuration quirks.
598 link->conf.ExtStatus = ESR_REQ_ATTN_ENA; 625 */
599 } 626 if (info->quirk && info->quirk->config)
627 info->quirk->config(link);
628
600 i = pcmcia_request_configuration(link, &link->conf); 629 i = pcmcia_request_configuration(link, &link->conf);
601 if (i != CS_SUCCESS) { 630 if (i != CS_SUCCESS) {
602 cs_error(link, RequestConfiguration, i); 631 cs_error(link, RequestConfiguration, i);