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path: root/drivers/pcmcia/pd6729.c
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Diffstat (limited to 'drivers/pcmcia/pd6729.c')
-rw-r--r--drivers/pcmcia/pd6729.c100
1 files changed, 42 insertions, 58 deletions
diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c
index e1741cd875aa..b61a13663a0a 100644
--- a/drivers/pcmcia/pd6729.c
+++ b/drivers/pcmcia/pd6729.c
@@ -9,18 +9,19 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/device.h>
+#include <linux/io.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/ss.h>
#include <pcmcia/cs.h>
#include <asm/system.h>
-#include <asm/io.h>
#include "pd6729.h"
#include "i82365.h"
@@ -48,23 +49,13 @@ MODULE_AUTHOR("Jun Komuro <komurojun-mbn@nifty.com>");
* Specifies the interrupt delivery mode. The default (1) is to use PCI
* interrupts; a value of 0 selects ISA interrupts. This must be set for
* correct operation of PCI card readers.
- *
- * irq_list=i,j,...
- * This list limits the set of interrupts that can be used by PCMCIA
- * cards.
- * The default list is 3,4,5,7,9,10,11.
- * (irq_list parameter is not used, if irq_mode = 1)
*/
static int irq_mode = 1; /* 0 = ISA interrupt, 1 = PCI interrupt */
-static int irq_list[16];
-static unsigned int irq_list_count = 0;
module_param(irq_mode, int, 0444);
-module_param_array(irq_list, int, &irq_list_count, 0444);
MODULE_PARM_DESC(irq_mode,
"interrupt delivery mode. 0 = ISA, 1 = PCI. default is 1");
-MODULE_PARM_DESC(irq_list, "interrupts that can be used by PCMCIA cards");
static DEFINE_SPINLOCK(port_lock);
@@ -232,9 +223,9 @@ static irqreturn_t pd6729_interrupt(int irq, void *dev)
? SS_READY : 0;
}
- if (events) {
+ if (events)
pcmcia_parse_events(&socket[i].socket, events);
- }
+
active |= events;
}
@@ -266,9 +257,8 @@ static int pd6729_get_status(struct pcmcia_socket *sock, u_int *value)
status = indirect_read(socket, I365_STATUS);
*value = 0;
- if ((status & I365_CS_DETECT) == I365_CS_DETECT) {
+ if ((status & I365_CS_DETECT) == I365_CS_DETECT)
*value |= SS_DETECT;
- }
/*
* IO cards have a different meaning of bits 0,1
@@ -318,7 +308,7 @@ static int pd6729_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
socket->card_irq = state->io_irq;
reg = 0;
- /* The reset bit has "inverse" logic */
+ /* The reset bit has "inverse" logic */
if (!(state->flags & SS_RESET))
reg |= I365_PC_RESET;
if (state->flags & SS_IOCARD)
@@ -390,7 +380,7 @@ static int pd6729_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
indirect_write(socket, I365_POWER, reg);
if (irq_mode == 1) {
- /* all interrupts are to be done as PCI interrupts */
+ /* all interrupts are to be done as PCI interrupts */
data = PD67_EC1_INV_MGMT_IRQ | PD67_EC1_INV_CARD_IRQ;
} else
data = 0;
@@ -401,9 +391,9 @@ static int pd6729_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
/* Enable specific interrupt events */
reg = 0x00;
- if (state->csc_mask & SS_DETECT) {
+ if (state->csc_mask & SS_DETECT)
reg |= I365_CSC_DETECT;
- }
+
if (state->flags & SS_IOCARD) {
if (state->csc_mask & SS_STSCHG)
reg |= I365_CSC_STSCHG;
@@ -460,9 +450,12 @@ static int pd6729_set_io_map(struct pcmcia_socket *sock,
ioctl = indirect_read(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);
indirect_write(socket, I365_IOCTL, ioctl);
@@ -507,7 +500,7 @@ static int pd6729_set_mem_map(struct pcmcia_socket *sock,
/* write the stop address */
- i= (mem->res->end >> 12) & 0x0fff;
+ i = (mem->res->end >> 12) & 0x0fff;
switch (to_cycles(mem->speed)) {
case 0:
break;
@@ -573,7 +566,7 @@ static int pd6729_init(struct pcmcia_socket *sock)
/* the pccard structure and its functions */
static struct pccard_operations pd6729_operations = {
- .init = pd6729_init,
+ .init = pd6729_init,
.get_status = pd6729_get_status,
.set_socket = pd6729_set_socket,
.set_io_map = pd6729_set_io_map,
@@ -588,8 +581,13 @@ static irqreturn_t pd6729_test(int irq, void *dev)
static int pd6729_check_irq(int irq)
{
- if (request_irq(irq, pd6729_test, IRQF_PROBE_SHARED, "x", pd6729_test)
- != 0) return -1;
+ int ret;
+
+ ret = request_irq(irq, pd6729_test, IRQF_PROBE_SHARED, "x",
+ pd6729_test);
+ if (ret)
+ return -1;
+
free_irq(irq, pd6729_test);
return 0;
}
@@ -601,17 +599,11 @@ static u_int __devinit pd6729_isa_scan(void)
if (irq_mode == 1) {
printk(KERN_INFO "pd6729: PCI card interrupts, "
- "PCI status changes\n");
+ "PCI status changes\n");
return 0;
}
- if (irq_list_count == 0)
- mask0 = 0xffff;
- else
- for (i = mask0 = 0; i < irq_list_count; i++)
- mask0 |= (1<<irq_list[i]);
-
- mask0 &= PD67_MASK;
+ mask0 = PD67_MASK;
/* just find interrupts that aren't in use */
for (i = 0; i < 16; i++)
@@ -623,9 +615,10 @@ static u_int __devinit pd6729_isa_scan(void)
if (mask & (1<<i))
printk("%s%d", ((mask & ((1<<i)-1)) ? "," : ""), i);
- if (mask == 0) printk("none!");
-
- printk(" polling status changes.\n");
+ if (mask == 0)
+ printk("none!");
+ else
+ printk(" polling status changes.\n");
return mask;
}
@@ -640,11 +633,16 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev,
socket = kzalloc(sizeof(struct pd6729_socket) * MAX_SOCKETS,
GFP_KERNEL);
- if (!socket)
+ if (!socket) {
+ dev_warn(&dev->dev, "failed to kzalloc socket.\n");
return -ENOMEM;
+ }
- if ((ret = pci_enable_device(dev)))
+ ret = pci_enable_device(dev);
+ if (ret) {
+ dev_warn(&dev->dev, "failed to enable pci_device.\n");
goto err_out_free_mem;
+ }
if (!pci_resource_start(dev, 0)) {
dev_warn(&dev->dev, "refusing to load the driver as the "
@@ -655,7 +653,7 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev,
dev_info(&dev->dev, "Cirrus PD6729 PCI to PCMCIA Bridge at 0x%llx "
"on irq %d\n",
(unsigned long long)pci_resource_start(dev, 0), dev->irq);
- /*
+ /*
* Since we have no memory BARs some firmware may not
* have had PCI_COMMAND_MEMORY enabled, yet the device needs it.
*/
@@ -687,6 +685,7 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev,
socket[i].socket.map_size = 0x1000;
socket[i].socket.irq_mask = mask;
socket[i].socket.pci_irq = dev->irq;
+ socket[i].socket.cb_dev = dev;
socket[i].socket.owner = THIS_MODULE;
socket[i].number = i;
@@ -700,8 +699,9 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev,
pci_set_drvdata(dev, socket);
if (irq_mode == 1) {
/* Register the interrupt handler */
- if ((ret = request_irq(dev->irq, pd6729_interrupt, IRQF_SHARED,
- "pd6729", socket))) {
+ ret = request_irq(dev->irq, pd6729_interrupt, IRQF_SHARED,
+ "pd6729", socket);
+ if (ret) {
dev_err(&dev->dev, "Failed to register irq %d\n",
dev->irq);
goto err_out_free_res;
@@ -765,18 +765,6 @@ static void __devexit pd6729_pci_remove(struct pci_dev *dev)
kfree(socket);
}
-#ifdef CONFIG_PM
-static int pd6729_socket_suspend(struct pci_dev *dev, pm_message_t state)
-{
- return pcmcia_socket_dev_suspend(&dev->dev);
-}
-
-static int pd6729_socket_resume(struct pci_dev *dev)
-{
- return pcmcia_socket_dev_resume(&dev->dev);
-}
-#endif
-
static struct pci_device_id pd6729_pci_ids[] = {
{
.vendor = PCI_VENDOR_ID_CIRRUS,
@@ -793,10 +781,6 @@ static struct pci_driver pd6729_pci_driver = {
.id_table = pd6729_pci_ids,
.probe = pd6729_pci_probe,
.remove = __devexit_p(pd6729_pci_remove),
-#ifdef CONFIG_PM
- .suspend = pd6729_socket_suspend,
- .resume = pd6729_socket_resume,
-#endif
};
static int pd6729_module_init(void)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.