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path: root/drivers/serial/serial_cs.c
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Diffstat (limited to 'drivers/serial/serial_cs.c')
-rw-r--r--drivers/serial/serial_cs.c229
1 files changed, 112 insertions, 117 deletions
diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c
index c30333694fd..2c70773543e 100644
--- a/drivers/serial/serial_cs.c
+++ b/drivers/serial/serial_cs.c
@@ -41,6 +41,7 @@
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/serial_core.h>
+#include <linux/delay.h>
#include <linux/major.h>
#include <asm/io.h>
#include <asm/system.h>
@@ -97,11 +98,13 @@ static const struct multi_id multi_id[] = {
#define MULTI_COUNT (sizeof(multi_id)/sizeof(struct multi_id))
struct serial_info {
- dev_link_t link;
+ struct pcmcia_device *p_dev;
int ndev;
int multi;
int slave;
int manfid;
+ int prodid;
+ int c950ctrl;
dev_node_t node[4];
int line[4];
};
@@ -113,9 +116,36 @@ struct serial_cfg_mem {
};
-static void serial_config(dev_link_t * link);
+static int serial_config(struct pcmcia_device * link);
+static void wakeup_card(struct serial_info *info)
+{
+ int ctrl = info->c950ctrl;
+
+ if (info->manfid == MANFID_OXSEMI) {
+ outb(12, ctrl + 1);
+ } else if (info->manfid == MANFID_POSSIO && info->prodid == PRODID_POSSIO_GCC) {
+ /* request_region? oxsemi branch does no request_region too... */
+ /* This sequence is needed to properly initialize MC45 attached to OXCF950.
+ * I tried decreasing these msleep()s, but it worked properly (survived
+ * 1000 stop/start operations) with these timeouts (or bigger). */
+ outb(0xA, ctrl + 1);
+ msleep(100);
+ outb(0xE, ctrl + 1);
+ msleep(300);
+ outb(0xC, ctrl + 1);
+ msleep(100);
+ outb(0xE, ctrl + 1);
+ msleep(200);
+ outb(0xF, ctrl + 1);
+ msleep(100);
+ outb(0xE, ctrl + 1);
+ msleep(100);
+ outb(0xC, ctrl + 1);
+ }
+}
+
/*======================================================================
After a card is removed, serial_remove() will unregister
@@ -123,67 +153,45 @@ static void serial_config(dev_link_t * link);
======================================================================*/
-static void serial_remove(dev_link_t *link)
+static void serial_remove(struct pcmcia_device *link)
{
struct serial_info *info = link->priv;
int i;
- link->state &= ~DEV_PRESENT;
-
DEBUG(0, "serial_release(0x%p)\n", link);
/*
* Recheck to see if the device is still configured.
*/
- if (info->link.state & DEV_CONFIG) {
- for (i = 0; i < info->ndev; i++)
- serial8250_unregister_port(info->line[i]);
+ for (i = 0; i < info->ndev; i++)
+ serial8250_unregister_port(info->line[i]);
- info->link.dev = NULL;
+ info->p_dev->dev_node = NULL;
- if (!info->slave) {
- pcmcia_release_configuration(info->link.handle);
- pcmcia_release_io(info->link.handle, &info->link.io);
- pcmcia_release_irq(info->link.handle, &info->link.irq);
- }
-
- info->link.state &= ~DEV_CONFIG;
- }
+ if (!info->slave)
+ pcmcia_disable_device(link);
}
-static int serial_suspend(struct pcmcia_device *dev)
+static int serial_suspend(struct pcmcia_device *link)
{
- dev_link_t *link = dev_to_instance(dev);
- link->state |= DEV_SUSPEND;
-
- if (link->state & DEV_CONFIG) {
- struct serial_info *info = link->priv;
- int i;
-
- for (i = 0; i < info->ndev; i++)
- serial8250_suspend_port(info->line[i]);
+ struct serial_info *info = link->priv;
+ int i;
- if (!info->slave)
- pcmcia_release_configuration(link->handle);
- }
+ for (i = 0; i < info->ndev; i++)
+ serial8250_suspend_port(info->line[i]);
return 0;
}
-static int serial_resume(struct pcmcia_device *dev)
+static int serial_resume(struct pcmcia_device *link)
{
- dev_link_t *link = dev_to_instance(dev);
- link->state &= ~DEV_SUSPEND;
-
- if (DEV_OK(link)) {
+ if (pcmcia_dev_present(link)) {
struct serial_info *info = link->priv;
int i;
- if (!info->slave)
- pcmcia_request_configuration(link->handle, &link->conf);
-
for (i = 0; i < info->ndev; i++)
serial8250_resume_port(info->line[i]);
+ wakeup_card(info);
}
return 0;
@@ -197,10 +205,9 @@ static int serial_resume(struct pcmcia_device *dev)
======================================================================*/
-static int serial_probe(struct pcmcia_device *p_dev)
+static int serial_probe(struct pcmcia_device *link)
{
struct serial_info *info;
- dev_link_t *link;
DEBUG(0, "serial_attach()\n");
@@ -209,7 +216,7 @@ static int serial_probe(struct pcmcia_device *p_dev)
if (!info)
return -ENOMEM;
memset(info, 0, sizeof (*info));
- link = &info->link;
+ info->p_dev = link;
link->priv = info;
link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
@@ -223,12 +230,7 @@ static int serial_probe(struct pcmcia_device *p_dev)
}
link->conf.IntType = INT_MEMORY_AND_IO;
- link->handle = p_dev;
- p_dev->instance = link;
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- serial_config(link);
-
- return 0;
+ return serial_config(link);
}
/*======================================================================
@@ -240,9 +242,8 @@ static int serial_probe(struct pcmcia_device *p_dev)
======================================================================*/
-static void serial_detach(struct pcmcia_device *p_dev)
+static void serial_detach(struct pcmcia_device *link)
{
- dev_link_t *link = dev_to_instance(p_dev);
struct serial_info *info = link->priv;
DEBUG(0, "serial_detach(0x%p)\n", link);
@@ -263,7 +264,7 @@ static void serial_detach(struct pcmcia_device *p_dev)
/*====================================================================*/
-static int setup_serial(client_handle_t handle, struct serial_info * info,
+static int setup_serial(struct pcmcia_device *handle, struct serial_info * info,
kio_addr_t iobase, int irq)
{
struct uart_port port;
@@ -298,7 +299,7 @@ static int setup_serial(client_handle_t handle, struct serial_info * info,
/*====================================================================*/
static int
-first_tuple(client_handle_t handle, tuple_t * tuple, cisparse_t * parse)
+first_tuple(struct pcmcia_device *handle, tuple_t * tuple, cisparse_t * parse)
{
int i;
i = pcmcia_get_first_tuple(handle, tuple);
@@ -311,7 +312,7 @@ first_tuple(client_handle_t handle, tuple_t * tuple, cisparse_t * parse)
}
static int
-next_tuple(client_handle_t handle, tuple_t * tuple, cisparse_t * parse)
+next_tuple(struct pcmcia_device *handle, tuple_t * tuple, cisparse_t * parse)
{
int i;
i = pcmcia_get_next_tuple(handle, tuple);
@@ -325,11 +326,10 @@ next_tuple(client_handle_t handle, tuple_t * tuple, cisparse_t * parse)
/*====================================================================*/
-static int simple_config(dev_link_t *link)
+static int simple_config(struct pcmcia_device *link)
{
static const kio_addr_t base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
static const int size_table[2] = { 8, 16 };
- client_handle_t handle = link->handle;
struct serial_info *info = link->priv;
struct serial_cfg_mem *cfg_mem;
tuple_t *tuple;
@@ -350,7 +350,7 @@ static int simple_config(dev_link_t *link)
buf = cfg_mem->buf;
/* If the card is already configured, look up the port and irq */
- i = pcmcia_get_configuration_info(handle, &config);
+ i = pcmcia_get_configuration_info(link, &config);
if ((i == CS_SUCCESS) && (config.Attributes & CONF_VALID_CLIENT)) {
kio_addr_t port = 0;
if ((config.BasePort2 != 0) && (config.NumPorts2 == 8)) {
@@ -363,10 +363,9 @@ static int simple_config(dev_link_t *link)
}
if (info->slave) {
kfree(cfg_mem);
- return setup_serial(handle, info, port, config.AssignedIRQ);
+ return setup_serial(link, info, port, config.AssignedIRQ);
}
}
- link->conf.Vcc = config.Vcc;
/* First pass: look for a config entry that looks normal. */
tuple->TupleData = (cisdata_t *) buf;
@@ -377,12 +376,12 @@ static int simple_config(dev_link_t *link)
/* Two tries: without IO aliases, then with aliases */
for (s = 0; s < 2; s++) {
for (try = 0; try < 2; try++) {
- i = first_tuple(handle, tuple, parse);
+ i = first_tuple(link, tuple, parse);
while (i != CS_NO_MORE_ITEMS) {
if (i != CS_SUCCESS)
goto next_entry;
if (cf->vpp1.present & (1 << CISTPL_POWER_VNOM))
- link->conf.Vpp1 = link->conf.Vpp2 =
+ link->conf.Vpp =
cf->vpp1.param[CISTPL_POWER_VNOM] / 10000;
if ((cf->io.nwin > 0) && (cf->io.win[0].len == size_table[s]) &&
(cf->io.win[0].base != 0)) {
@@ -390,19 +389,19 @@ static int simple_config(dev_link_t *link)
link->io.BasePort1 = cf->io.win[0].base;
link->io.IOAddrLines = (try == 0) ?
16 : cf->io.flags & CISTPL_IO_LINES_MASK;
- i = pcmcia_request_io(link->handle, &link->io);
+ i = pcmcia_request_io(link, &link->io);
if (i == CS_SUCCESS)
goto found_port;
}
next_entry:
- i = next_tuple(handle, tuple, parse);
+ i = next_tuple(link, tuple, parse);
}
}
}
/* Second pass: try to find an entry that isn't picky about
its base address, then try to grab any standard serial port
address, and finally try to get any free port. */
- i = first_tuple(handle, tuple, parse);
+ i = first_tuple(link, tuple, parse);
while (i != CS_NO_MORE_ITEMS) {
if ((i == CS_SUCCESS) && (cf->io.nwin > 0) &&
((cf->io.flags & CISTPL_IO_LINES_MASK) <= 3)) {
@@ -410,50 +409,48 @@ next_entry:
for (j = 0; j < 5; j++) {
link->io.BasePort1 = base[j];
link->io.IOAddrLines = base[j] ? 16 : 3;
- i = pcmcia_request_io(link->handle, &link->io);
+ i = pcmcia_request_io(link, &link->io);
if (i == CS_SUCCESS)
goto found_port;
}
}
- i = next_tuple(handle, tuple, parse);
+ i = next_tuple(link, tuple, parse);
}
found_port:
if (i != CS_SUCCESS) {
printk(KERN_NOTICE
"serial_cs: no usable port range found, giving up\n");
- cs_error(link->handle, RequestIO, i);
+ cs_error(link, RequestIO, i);
kfree(cfg_mem);
return -1;
}
- i = pcmcia_request_irq(link->handle, &link->irq);
+ i = pcmcia_request_irq(link, &link->irq);
if (i != CS_SUCCESS) {
- cs_error(link->handle, RequestIRQ, i);
+ cs_error(link, RequestIRQ, i);
link->irq.AssignedIRQ = 0;
}
if (info->multi && (info->manfid == MANFID_3COM))
link->conf.ConfigIndex &= ~(0x08);
- i = pcmcia_request_configuration(link->handle, &link->conf);
+ i = pcmcia_request_configuration(link, &link->conf);
if (i != CS_SUCCESS) {
- cs_error(link->handle, RequestConfiguration, i);
+ cs_error(link, RequestConfiguration, i);
kfree(cfg_mem);
return -1;
}
kfree(cfg_mem);
- return setup_serial(handle, info, link->io.BasePort1, link->irq.AssignedIRQ);
+ return setup_serial(link, info, link->io.BasePort1, link->irq.AssignedIRQ);
}
-static int multi_config(dev_link_t * link)
+static int multi_config(struct pcmcia_device * link)
{
- client_handle_t handle = link->handle;
struct serial_info *info = link->priv;
struct serial_cfg_mem *cfg_mem;
tuple_t *tuple;
u_char *buf;
cisparse_t *parse;
cistpl_cftable_entry_t *cf;
- config_info_t config;
int i, rc, base2 = 0;
cfg_mem = kmalloc(sizeof(struct serial_cfg_mem), GFP_KERNEL);
@@ -464,14 +461,6 @@ static int multi_config(dev_link_t * link)
cf = &parse->cftable_entry;
buf = cfg_mem->buf;
- i = pcmcia_get_configuration_info(handle, &config);
- if (i != CS_SUCCESS) {
- cs_error(handle, GetConfigurationInfo, i);
- rc = -1;
- goto free_cfg_mem;
- }
- link->conf.Vcc = config.Vcc;
-
tuple->TupleData = (cisdata_t *) buf;
tuple->TupleOffset = 0;
tuple->TupleDataMax = 255;
@@ -480,7 +469,7 @@ static int multi_config(dev_link_t * link)
/* First, look for a generic full-sized window */
link->io.NumPorts1 = info->multi * 8;
- i = first_tuple(handle, tuple, parse);
+ i = first_tuple(link, tuple, parse);
while (i != CS_NO_MORE_ITEMS) {
/* The quad port cards have bad CIS's, so just look for a
window larger than 8 ports and assume it will be right */
@@ -490,19 +479,19 @@ static int multi_config(dev_link_t * link)
link->io.BasePort1 = cf->io.win[0].base;
link->io.IOAddrLines =
cf->io.flags & CISTPL_IO_LINES_MASK;
- i = pcmcia_request_io(link->handle, &link->io);
+ i = pcmcia_request_io(link, &link->io);
base2 = link->io.BasePort1 + 8;
if (i == CS_SUCCESS)
break;
}
- i = next_tuple(handle, tuple, parse);
+ i = next_tuple(link, tuple, parse);
}
/* If that didn't work, look for two windows */
if (i != CS_SUCCESS) {
link->io.NumPorts1 = link->io.NumPorts2 = 8;
info->multi = 2;
- i = first_tuple(handle, tuple, parse);
+ i = first_tuple(link, tuple, parse);
while (i != CS_NO_MORE_ITEMS) {
if ((i == CS_SUCCESS) && (cf->io.nwin == 2)) {
link->conf.ConfigIndex = cf->index;
@@ -510,26 +499,26 @@ static int multi_config(dev_link_t * link)
link->io.BasePort2 = cf->io.win[1].base;
link->io.IOAddrLines =
cf->io.flags & CISTPL_IO_LINES_MASK;
- i = pcmcia_request_io(link->handle, &link->io);
+ i = pcmcia_request_io(link, &link->io);
base2 = link->io.BasePort2;
if (i == CS_SUCCESS)
break;
}
- i = next_tuple(handle, tuple, parse);
+ i = next_tuple(link, tuple, parse);
}
}
if (i != CS_SUCCESS) {
- cs_error(link->handle, RequestIO, i);
+ cs_error(link, RequestIO, i);
rc = -1;
goto free_cfg_mem;
}
- i = pcmcia_request_irq(link->handle, &link->irq);
+ i = pcmcia_request_irq(link, &link->irq);
if (i != CS_SUCCESS) {
printk(KERN_NOTICE
"serial_cs: no usable port range found, giving up\n");
- cs_error(link->handle, RequestIRQ, i);
+ cs_error(link, RequestIRQ, i);
link->irq.AssignedIRQ = 0;
}
/* Socket Dual IO: this enables irq's for second port */
@@ -537,35 +526,43 @@ static int multi_config(dev_link_t * link)
link->conf.Present |= PRESENT_EXT_STATUS;
link->conf.ExtStatus = ESR_REQ_ATTN_ENA;
}
- i = pcmcia_request_configuration(link->handle, &link->conf);
+ i = pcmcia_request_configuration(link, &link->conf);
if (i != CS_SUCCESS) {
- cs_error(link->handle, RequestConfiguration, i);
+ cs_error(link, RequestConfiguration, i);
rc = -1;
goto free_cfg_mem;
}
/* The Oxford Semiconductor OXCF950 cards are in fact single-port:
- 8 registers are for the UART, the others are extra registers */
- if (info->manfid == MANFID_OXSEMI) {
+ * 8 registers are for the UART, the others are extra registers.
+ * Siemen's MC45 PCMCIA (Possio's GCC) is OXCF950 based too.
+ */
+ if (info->manfid == MANFID_OXSEMI || (info->manfid == MANFID_POSSIO &&
+ info->prodid == PRODID_POSSIO_GCC)) {
+ int err;
+
if (cf->index == 1 || cf->index == 3) {
- setup_serial(handle, info, base2, link->irq.AssignedIRQ);
- outb(12, link->io.BasePort1 + 1);
+ err = setup_serial(link, info, base2,
+ link->irq.AssignedIRQ);
+ base2 = link->io.BasePort1;
} else {
- setup_serial(handle, info, link->io.BasePort1, link->irq.AssignedIRQ);
- outb(12, base2 + 1);
+ err = setup_serial(link, info, link->io.BasePort1,
+ link->irq.AssignedIRQ);
}
+ info->c950ctrl = base2;
+ wakeup_card(info);
rc = 0;
goto free_cfg_mem;
}
- setup_serial(handle, info, link->io.BasePort1, link->irq.AssignedIRQ);
+ setup_serial(link, info, link->io.BasePort1, link->irq.AssignedIRQ);
/* The Nokia cards are not really multiport cards */
if (info->manfid == MANFID_NOKIA) {
rc = 0;
goto free_cfg_mem;
}
for (i = 0; i < info->multi - 1; i++)
- setup_serial(handle, info, base2 + (8 * i),
+ setup_serial(link, info, base2 + (8 * i),
link->irq.AssignedIRQ);
rc = 0;
free_cfg_mem:
@@ -581,9 +578,8 @@ free_cfg_mem:
======================================================================*/
-void serial_config(dev_link_t * link)
+static int serial_config(struct pcmcia_device * link)
{
- client_handle_t handle = link->handle;
struct serial_info *info = link->priv;
struct serial_cfg_mem *cfg_mem;
tuple_t *tuple;
@@ -609,7 +605,7 @@ void serial_config(dev_link_t * link)
tuple->Attributes = 0;
/* Get configuration register information */
tuple->DesiredTuple = CISTPL_CONFIG;
- last_ret = first_tuple(handle, tuple, parse);
+ last_ret = first_tuple(link, tuple, parse);
if (last_ret != CS_SUCCESS) {
last_fn = ParseTuple;
goto cs_failed;
@@ -617,18 +613,16 @@ void serial_config(dev_link_t * link)
link->conf.ConfigBase = parse->config.base;
link->conf.Present = parse->config.rmask[0];
- /* Configure card */
- link->state |= DEV_CONFIG;
-
/* Is this a compliant multifunction card? */
tuple->DesiredTuple = CISTPL_LONGLINK_MFC;
tuple->Attributes = TUPLE_RETURN_COMMON | TUPLE_RETURN_LINK;
- info->multi = (first_tuple(handle, tuple, parse) == CS_SUCCESS);
+ info->multi = (first_tuple(link, tuple, parse) == CS_SUCCESS);
/* Is this a multiport card? */
tuple->DesiredTuple = CISTPL_MANFID;
- if (first_tuple(handle, tuple, parse) == CS_SUCCESS) {
+ if (first_tuple(link, tuple, parse) == CS_SUCCESS) {
info->manfid = parse->manfid.manf;
+ info->prodid = le16_to_cpu(buf[1]);
for (i = 0; i < MULTI_COUNT; i++)
if ((info->manfid == multi_id[i].manfid) &&
(parse->manfid.card == multi_id[i].prodid))
@@ -641,11 +635,11 @@ void serial_config(dev_link_t * link)
multifunction cards that ask for appropriate IO port ranges */
tuple->DesiredTuple = CISTPL_FUNCID;
if ((info->multi == 0) &&
- ((first_tuple(handle, tuple, parse) != CS_SUCCESS) ||
+ ((first_tuple(link, tuple, parse) != CS_SUCCESS) ||
(parse->funcid.func == CISTPL_FUNCID_MULTI) ||
(parse->funcid.func == CISTPL_FUNCID_SERIAL))) {
tuple->DesiredTuple = CISTPL_CFTABLE_ENTRY;
- if (first_tuple(handle, tuple, parse) == CS_SUCCESS) {
+ if (first_tuple(link, tuple, parse) == CS_SUCCESS) {
if ((cf->io.nwin == 1) && (cf->io.win[0].len % 8 == 0))
info->multi = cf->io.win[0].len >> 3;
if ((cf->io.nwin == 2) && (cf->io.win[0].len == 8) &&
@@ -664,31 +658,30 @@ void serial_config(dev_link_t * link)
if (info->manfid == MANFID_IBM) {
conf_reg_t reg = { 0, CS_READ, 0x800, 0 };
- last_ret = pcmcia_access_configuration_register(link->handle, &reg);
+ last_ret = pcmcia_access_configuration_register(link, &reg);
if (last_ret) {
last_fn = AccessConfigurationRegister;
goto cs_failed;
}
reg.Action = CS_WRITE;
reg.Value = reg.Value | 1;
- last_ret = pcmcia_access_configuration_register(link->handle, &reg);
+ last_ret = pcmcia_access_configuration_register(link, &reg);
if (last_ret) {
last_fn = AccessConfigurationRegister;
goto cs_failed;
}
}
- link->dev = &info->node[0];
- link->state &= ~DEV_CONFIG_PENDING;
+ link->dev_node = &info->node[0];
kfree(cfg_mem);
- return;
+ return 0;
cs_failed:
- cs_error(link->handle, last_fn, last_ret);
+ cs_error(link, last_fn, last_ret);
failed:
serial_remove(link);
- link->state &= ~DEV_CONFIG_PENDING;
kfree(cfg_mem);
+ return -ENODEV;
}
static struct pcmcia_device_id serial_ids[] = {
@@ -739,6 +732,7 @@ static struct pcmcia_device_id serial_ids[] = {
PCMCIA_MFC_DEVICE_PROD_ID1(1, "Motorola MARQUIS", 0xf03e4e77),
PCMCIA_MFC_DEVICE_PROD_ID2(1, "FAX/Modem/Ethernet Combo Card ", 0x1ed59302),
PCMCIA_DEVICE_MANF_CARD(0x0089, 0x0301),
+ PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x0276),
PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0039),
PCMCIA_DEVICE_MANF_CARD(0x0104, 0x0006),
PCMCIA_DEVICE_MANF_CARD(0x0105, 0x410a),
@@ -757,6 +751,7 @@ static struct pcmcia_device_id serial_ids[] = {
PCMCIA_DEVICE_PROD_ID14("MEGAHERTZ", "PCMCIA MODEM", 0xf510db04, 0xbd6c43ef),
PCMCIA_DEVICE_PROD_ID124("TOSHIBA", "T144PF", "PCMCIA MODEM", 0xb4585a1a, 0x7271409c, 0xbd6c43ef),
PCMCIA_DEVICE_PROD_ID123("FUJITSU", "FC14F ", "MBH10213", 0x6ee5a3d8, 0x30ead12b, 0xb00f05a0),
+ PCMCIA_DEVICE_PROD_ID123("Novatel Wireless", "Merlin UMTS Modem", "U630", 0x32607776, 0xd9e73b13, 0xe87332e),
PCMCIA_DEVICE_PROD_ID13("MEGAHERTZ", "V.34 PCMCIA MODEM", 0xf510db04, 0xbb2cce4a),
PCMCIA_DEVICE_PROD_ID12("Brain Boxes", "Bluetooth PC Card", 0xee138382, 0xd4ce9b02),
PCMCIA_DEVICE_PROD_ID12("CIRRUS LOGIC", "FAX MODEM", 0xe625f451, 0xcecd6dfa),
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 11:32:39 +0000