* Changelog:
* Aug 2002: Manfred Spraul <manfred@colorfullife.com>
* Dynamically adjust the size of the bridge resource
- *
+ *
* May 2003: Dominik Brodowski <linux@brodo.de>
* Merge pci_socket.c and yenta.c into one file
*/
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/module.h>
+#include <linux/io.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/ss.h>
#include <pcmcia/cs.h>
-#include <asm/io.h>
-
#include "yenta_socket.h"
#include "i82365.h"
static unsigned int override_bios;
module_param(override_bios, uint, 0000);
-MODULE_PARM_DESC (override_bios, "yenta ignore bios resource allocation");
+MODULE_PARM_DESC(override_bios, "yenta ignore bios resource allocation");
/*
* Generate easy-to-use ways of reading a cardbus sockets
/* i82365SL-DF style */
if (socket->flags & YENTA_16BIT_POWER_DF) {
switch (state->Vcc) {
- case 33: reg |= I365_VCC_3V; break;
- case 50: reg |= I365_VCC_5V; break;
- default: reg = 0; break;
+ case 33:
+ reg |= I365_VCC_3V;
+ break;
+ case 50:
+ reg |= I365_VCC_5V;
+ break;
+ default:
+ reg = 0;
+ break;
}
switch (state->Vpp) {
case 33:
- case 50: reg |= I365_VPP1_5V; break;
- case 120: reg |= I365_VPP1_12V; break;
+ case 50:
+ reg |= I365_VPP1_5V;
+ break;
+ case 120:
+ reg |= I365_VPP1_12V;
+ break;
}
} else {
/* i82365SL-B style */
switch (state->Vcc) {
- case 50: reg |= I365_VCC_5V; break;
- default: reg = 0; break;
+ case 50:
+ reg |= I365_VCC_5V;
+ break;
+ default:
+ reg = 0;
+ break;
}
switch (state->Vpp) {
- case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break;
- case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break;
+ case 50:
+ reg |= I365_VPP1_5V | I365_VPP2_5V;
+ break;
+ case 120:
+ reg |= I365_VPP1_12V | I365_VPP2_12V;
+ break;
}
}
} else {
u32 reg = 0; /* CB_SC_STPCLK? */
switch (state->Vcc) {
- case 33: reg = CB_SC_VCC_3V; break;
- case 50: reg = CB_SC_VCC_5V; break;
- default: reg = 0; break;
+ case 33:
+ reg = CB_SC_VCC_3V;
+ break;
+ case 50:
+ reg = CB_SC_VCC_5V;
+ break;
+ default:
+ reg = 0;
+ break;
}
switch (state->Vpp) {
- case 33: reg |= CB_SC_VPP_3V; break;
- case 50: reg |= CB_SC_VPP_5V; break;
- case 120: reg |= CB_SC_VPP_12V; break;
+ case 33:
+ reg |= CB_SC_VPP_3V;
+ break;
+ case 50:
+ reg |= CB_SC_VPP_5V;
+ break;
+ case 120:
+ reg |= CB_SC_VPP_12V;
+ break;
}
if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
cb_writel(socket, CB_SOCKET_CONTROL, reg);
reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK);
reg |= I365_PWR_NORESET;
- if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO;
- if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT;
+ if (state->flags & SS_PWR_AUTO)
+ reg |= I365_PWR_AUTO;
+ if (state->flags & SS_OUTPUT_ENA)
+ reg |= I365_PWR_OUT;
if (exca_readb(socket, I365_POWER) != reg)
exca_writeb(socket, I365_POWER, reg);
/* CSC interrupt: no ISA irq for CSC */
reg = I365_CSC_DETECT;
if (state->flags & SS_IOCARD) {
- if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG;
+ if (state->csc_mask & SS_STSCHG)
+ reg |= I365_CSC_STSCHG;
} else {
- if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1;
- if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2;
- if (state->csc_mask & SS_READY) reg |= I365_CSC_READY;
+ if (state->csc_mask & SS_BATDEAD)
+ reg |= I365_CSC_BVD1;
+ if (state->csc_mask & SS_BATWARN)
+ reg |= I365_CSC_BVD2;
+ if (state->csc_mask & SS_READY)
+ reg |= I365_CSC_READY;
}
exca_writeb(socket, I365_CSCINT, reg);
exca_readb(socket, I365_CSC);
- if(sock->zoom_video)
+ if (sock->zoom_video)
sock->zoom_video(sock, state->flags & SS_ZVCARD);
}
config_writew(socket, CB_BRIDGE_CONTROL, bridge);
exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop);
ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map);
- if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
- if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
- if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
+ if (io->flags & MAP_0WS)
+ ioctl |= I365_IOCTL_0WS(map);
+ if (io->flags & MAP_16BIT)
+ ioctl |= I365_IOCTL_16BIT(map);
+ if (io->flags & MAP_AUTOSZ)
+ ioctl |= I365_IOCTL_IOCS16(map);
exca_writeb(socket, I365_IOCTL, ioctl);
if (io->flags & MAP_ACTIVE)
word = (stop >> 12) & 0x0fff;
switch (to_cycles(mem->speed)) {
- case 0: break;
- case 1: word |= I365_MEM_WS0; break;
- case 2: word |= I365_MEM_WS1; break;
- default: word |= I365_MEM_WS1 | I365_MEM_WS0; break;
+ case 0:
+ break;
+ case 1:
+ word |= I365_MEM_WS0;
+ break;
+ case 2:
+ word |= I365_MEM_WS1;
+ break;
+ default:
+ word |= I365_MEM_WS1 | I365_MEM_WS0;
+ break;
}
exca_writew(socket, I365_MEM(map) + I365_W_STOP, word);
* max 4 MB, min 16 kB. We try very hard to not get below
* the "ACC" values, though.
*/
-#define BRIDGE_MEM_MAX 4*1024*1024
-#define BRIDGE_MEM_ACC 128*1024
-#define BRIDGE_MEM_MIN 16*1024
+#define BRIDGE_MEM_MAX (4*1024*1024)
+#define BRIDGE_MEM_ACC (128*1024)
+#define BRIDGE_MEM_MIN (16*1024)
#define BRIDGE_IO_MAX 512
#define BRIDGE_IO_ACC 256
int i;
size = BRIDGE_MEM_MAX;
if (size > avail/8) {
- size=(avail+1)/8;
+ size = (avail+1)/8;
/* round size down to next power of 2 */
i = 0;
while ((size /= 2) != 0)
do {
if (allocate_resource(root, res, size, start, end, align,
- NULL, NULL)==0) {
+ NULL, NULL) == 0) {
return 1;
}
size = size/2;
u32 min)
{
int i;
- for (i=0; i<PCI_BUS_NUM_RESOURCES; i++) {
- struct resource * root = socket->dev->bus->resource[i];
+ for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) {
+ struct resource *root = socket->dev->bus->resource[i];
if (!root)
continue;
static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end)
{
- struct resource *root, *res;
+ struct pci_dev *dev = socket->dev;
+ struct resource *res;
struct pci_bus_region region;
unsigned mask;
- res = socket->dev->resource + PCI_BRIDGE_RESOURCES + nr;
+ res = dev->resource + PCI_BRIDGE_RESOURCES + nr;
/* Already allocated? */
if (res->parent)
return 0;
if (type & IORESOURCE_IO)
mask = ~3;
- res->name = socket->dev->subordinate->name;
+ res->name = dev->subordinate->name;
res->flags = type;
region.start = config_readl(socket, addr_start) & mask;
region.end = config_readl(socket, addr_end) | ~mask;
if (region.start && region.end > region.start && !override_bios) {
- pcibios_bus_to_resource(socket->dev, res, ®ion);
- root = pci_find_parent_resource(socket->dev, res);
- if (root && (request_resource(root, res) == 0))
+ pcibios_bus_to_resource(dev, res, ®ion);
+ if (pci_claim_resource(dev, PCI_BRIDGE_RESOURCES + nr) == 0)
return 0;
- dev_printk(KERN_INFO, &socket->dev->dev,
+ dev_printk(KERN_INFO, &dev->dev,
"Preassigned resource %d busy or not available, "
"reconfiguring...\n",
nr);
return 1;
}
- dev_printk(KERN_INFO, &socket->dev->dev,
+ dev_printk(KERN_INFO, &dev->dev,
"no resource of type %x available, trying to continue...\n",
type);
res->start = res->end = res->flags = 0;
static void yenta_free_resources(struct yenta_socket *socket)
{
int i;
- for (i=0;i<4;i++) {
+ for (i = 0; i < 4; i++) {
struct resource *res;
res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
if (res->start != 0 && res->end != 0)
/*
* Close it down - release our resources and go home..
*/
-static void yenta_close(struct pci_dev *dev)
+static void __devexit yenta_close(struct pci_dev *dev)
{
struct yenta_socket *sock = pci_get_drvdata(dev);
/* we don't want a dying socket registered */
pcmcia_unregister_socket(&sock->socket);
-
+
/* Disable all events so we don't die in an IRQ storm */
cb_writel(sock, CB_SOCKET_MASK, 0x0);
exca_writeb(sock, I365_CSCINT, 0);
{
struct yenta_socket *socket = (struct yenta_socket *) dev_id;
u8 csc;
- u32 cb_event;
+ u32 cb_event;
/* Clear interrupt status for the event */
cb_event = cb_readl(socket, CB_SOCKET_EVENT);
{
struct list_head *tmp;
unsigned char upper_limit;
- /*
+ /*
* We only check and fix the parent bridge: All systems which need
* this fixup that have been reviewed are laptops and the only bridge
* which needed fixing was the parent bridge of the CardBus bridge:
/* check the bus ranges of all silbling bridges to prevent overlap */
list_for_each(tmp, &bridge_to_fix->parent->children) {
- struct pci_bus * silbling = pci_bus_b(tmp);
+ struct pci_bus *silbling = pci_bus_b(tmp);
/*
* If the silbling has a higher secondary bus number
* and it's secondary is equal or smaller than our
* interrupt, and that we can map the cardbus area. Fill in the
* socket information structure..
*/
-static int __devinit yenta_probe (struct pci_dev *dev, const struct pci_device_id *id)
+static int __devinit yenta_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
struct yenta_socket *socket;
int ret;
}
#ifdef CONFIG_PM
-static int yenta_dev_suspend (struct pci_dev *dev, pm_message_t state)
+static int yenta_dev_suspend_noirq(struct device *dev)
{
- struct yenta_socket *socket = pci_get_drvdata(dev);
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct yenta_socket *socket = pci_get_drvdata(pdev);
int ret;
- ret = pcmcia_socket_dev_suspend(&dev->dev, state);
+ ret = pcmcia_socket_dev_suspend(dev);
- if (socket) {
- if (socket->type && socket->type->save_state)
- socket->type->save_state(socket);
+ if (!socket)
+ return ret;
- /* FIXME: pci_save_state needs to have a better interface */
- pci_save_state(dev);
- pci_read_config_dword(dev, 16*4, &socket->saved_state[0]);
- pci_read_config_dword(dev, 17*4, &socket->saved_state[1]);
- pci_disable_device(dev);
+ if (socket->type && socket->type->save_state)
+ socket->type->save_state(socket);
- /*
- * Some laptops (IBM T22) do not like us putting the Cardbus
- * bridge into D3. At a guess, some other laptop will
- * probably require this, so leave it commented out for now.
- */
- /* pci_set_power_state(dev, 3); */
- }
+ pci_save_state(pdev);
+ pci_read_config_dword(pdev, 16*4, &socket->saved_state[0]);
+ pci_read_config_dword(pdev, 17*4, &socket->saved_state[1]);
+ pci_disable_device(pdev);
+
+ /*
+ * Some laptops (IBM T22) do not like us putting the Cardbus
+ * bridge into D3. At a guess, some other laptop will
+ * probably require this, so leave it commented out for now.
+ */
+ /* pci_set_power_state(dev, 3); */
return ret;
}
-
-static int yenta_dev_resume (struct pci_dev *dev)
+static int yenta_dev_resume_noirq(struct device *dev)
{
- struct yenta_socket *socket = pci_get_drvdata(dev);
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct yenta_socket *socket = pci_get_drvdata(pdev);
+ int ret;
- if (socket) {
- int rc;
+ if (!socket)
+ return 0;
- pci_set_power_state(dev, 0);
- /* FIXME: pci_restore_state needs to have a better interface */
- pci_restore_state(dev);
- pci_write_config_dword(dev, 16*4, socket->saved_state[0]);
- pci_write_config_dword(dev, 17*4, socket->saved_state[1]);
+ pci_write_config_dword(pdev, 16*4, socket->saved_state[0]);
+ pci_write_config_dword(pdev, 17*4, socket->saved_state[1]);
- rc = pci_enable_device(dev);
- if (rc)
- return rc;
+ ret = pci_enable_device(pdev);
+ if (ret)
+ return ret;
- pci_set_master(dev);
+ pci_set_master(pdev);
- if (socket->type && socket->type->restore_state)
- socket->type->restore_state(socket);
- }
+ if (socket->type && socket->type->restore_state)
+ socket->type->restore_state(socket);
- return pcmcia_socket_dev_resume(&dev->dev);
+ pcmcia_socket_dev_early_resume(dev);
+ return 0;
}
+
+static int yenta_dev_resume(struct device *dev)
+{
+ pcmcia_socket_dev_late_resume(dev);
+ return 0;
+}
+
+static const struct dev_pm_ops yenta_pm_ops = {
+ .suspend_noirq = yenta_dev_suspend_noirq,
+ .resume_noirq = yenta_dev_resume_noirq,
+ .resume = yenta_dev_resume,
+ .freeze_noirq = yenta_dev_suspend_noirq,
+ .thaw_noirq = yenta_dev_resume_noirq,
+ .thaw = yenta_dev_resume,
+ .poweroff_noirq = yenta_dev_suspend_noirq,
+ .restore_noirq = yenta_dev_resume_noirq,
+ .restore = yenta_dev_resume,
+};
+
+#define YENTA_PM_OPS (¥ta_pm_ops)
+#else
+#define YENTA_PM_OPS NULL
#endif
-#define CB_ID(vend,dev,type) \
+#define CB_ID(vend, dev, type) \
{ \
.vendor = vend, \
.device = dev, \
.driver_data = CARDBUS_TYPE_##type, \
}
-static struct pci_device_id yenta_table [] = {
+static struct pci_device_id yenta_table[] = {
CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI),
/*
.id_table = yenta_table,
.probe = yenta_probe,
.remove = __devexit_p(yenta_close),
-#ifdef CONFIG_PM
- .suspend = yenta_dev_suspend,
- .resume = yenta_dev_resume,
-#endif
+ .driver.pm = YENTA_PM_OPS,
};
static int __init yenta_socket_init(void)
{
- return pci_register_driver (¥ta_cardbus_driver);
+ return pci_register_driver(¥ta_cardbus_driver);
}
-static void __exit yenta_socket_exit (void)
+static void __exit yenta_socket_exit(void)
{
- pci_unregister_driver (¥ta_cardbus_driver);
+ pci_unregister_driver(¥ta_cardbus_driver);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff