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path: root/drivers/parisc/superio.c
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Diffstat (limited to 'drivers/parisc/superio.c')
-rw-r--r--drivers/parisc/superio.c186
1 files changed, 86 insertions, 100 deletions
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index bab3bcabcb6..a042d065a0c 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -12,6 +12,7 @@
* (C) Copyright 2001 John Marvin <jsm fc hp com>
* (C) Copyright 2003 Grant Grundler <grundler parisc-linux org>
* (C) Copyright 2005 Kyle McMartin <kyle@parisc-linux.org>
+ * (C) Copyright 2006 Helge Deller <deller@gmx.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -24,6 +25,9 @@
* Major changes to get basic interrupt infrastructure working to
* hopefully be able to support all SuperIO devices. Currently
* works with serial. -- John Marvin <jsm@fc.hp.com>
+ *
+ * Converted superio_init() to be a PCI_FIXUP_FINAL callee.
+ * -- Kyle McMartin <kyle@parisc-linux.org>
*/
@@ -69,6 +73,7 @@
#include <linux/termios.h>
#include <linux/tty.h>
#include <linux/serial_core.h>
+#include <linux/serial_8250.h>
#include <linux/delay.h>
#include <asm/io.h>
@@ -86,8 +91,11 @@ static struct superio_device sio_dev;
#define DBG_INIT(x...)
#endif
+#define SUPERIO "SuperIO"
+#define PFX SUPERIO ": "
+
static irqreturn_t
-superio_interrupt(int parent_irq, void *devp, struct pt_regs *regs)
+superio_interrupt(int parent_irq, void *devp)
{
u8 results;
u8 local_irq;
@@ -114,7 +122,7 @@ superio_interrupt(int parent_irq, void *devp, struct pt_regs *regs)
local_irq = results & 0x0f;
if (local_irq == 2 || local_irq > 7) {
- printk(KERN_ERR "SuperIO: slave interrupted!\n");
+ printk(KERN_ERR PFX "slave interrupted!\n");
return IRQ_HANDLED;
}
@@ -125,13 +133,13 @@ superio_interrupt(int parent_irq, void *devp, struct pt_regs *regs)
outb(OCW3_ISR,IC_PIC1+0);
results = inb(IC_PIC1+0);
if ((results & 0x80) == 0) { /* if ISR7 not set: spurious */
- printk(KERN_WARNING "SuperIO: spurious interrupt!\n");
+ printk(KERN_WARNING PFX "spurious interrupt!\n");
return IRQ_HANDLED;
}
}
/* Call the appropriate device's interrupt */
- __do_IRQ(local_irq, regs);
+ generic_handle_irq(local_irq);
/* set EOI - forces a new interrupt if a lower priority device
* still needs service.
@@ -141,18 +149,19 @@ superio_interrupt(int parent_irq, void *devp, struct pt_regs *regs)
}
/* Initialize Super I/O device */
-
-static void __devinit
-superio_init(struct superio_device *sio)
+static void
+superio_init(struct pci_dev *pcidev)
{
+ struct superio_device *sio = &sio_dev;
struct pci_dev *pdev = sio->lio_pdev;
u16 word;
+ int ret;
- if (sio->suckyio_irq_enabled)
+ if (sio->suckyio_irq_enabled)
return;
- if (!pdev) BUG();
- if (!sio->usb_pdev) BUG();
+ BUG_ON(!pdev);
+ BUG_ON(!sio->usb_pdev);
/* use the IRQ iosapic found for USB INT D... */
pdev->irq = sio->usb_pdev->irq;
@@ -160,39 +169,40 @@ superio_init(struct superio_device *sio)
/* ...then properly fixup the USB to point at suckyio PIC */
sio->usb_pdev->irq = superio_fixup_irq(sio->usb_pdev);
- printk (KERN_INFO "SuperIO: Found NS87560 Legacy I/O device at %s (IRQ %i) \n",
- pci_name(pdev),pdev->irq);
+ printk(KERN_INFO PFX "Found NS87560 Legacy I/O device at %s (IRQ %i)\n",
+ pci_name(pdev), pdev->irq);
pci_read_config_dword (pdev, SIO_SP1BAR, &sio->sp1_base);
sio->sp1_base &= ~1;
- printk (KERN_INFO "SuperIO: Serial port 1 at 0x%x\n", sio->sp1_base);
+ printk(KERN_INFO PFX "Serial port 1 at 0x%x\n", sio->sp1_base);
pci_read_config_dword (pdev, SIO_SP2BAR, &sio->sp2_base);
sio->sp2_base &= ~1;
- printk (KERN_INFO "SuperIO: Serial port 2 at 0x%x\n", sio->sp2_base);
+ printk(KERN_INFO PFX "Serial port 2 at 0x%x\n", sio->sp2_base);
pci_read_config_dword (pdev, SIO_PPBAR, &sio->pp_base);
sio->pp_base &= ~1;
- printk (KERN_INFO "SuperIO: Parallel port at 0x%x\n", sio->pp_base);
+ printk(KERN_INFO PFX "Parallel port at 0x%x\n", sio->pp_base);
pci_read_config_dword (pdev, SIO_FDCBAR, &sio->fdc_base);
sio->fdc_base &= ~1;
- printk (KERN_INFO "SuperIO: Floppy controller at 0x%x\n", sio->fdc_base);
+ printk(KERN_INFO PFX "Floppy controller at 0x%x\n", sio->fdc_base);
pci_read_config_dword (pdev, SIO_ACPIBAR, &sio->acpi_base);
sio->acpi_base &= ~1;
- printk (KERN_INFO "SuperIO: ACPI at 0x%x\n", sio->acpi_base);
+ printk(KERN_INFO PFX "ACPI at 0x%x\n", sio->acpi_base);
request_region (IC_PIC1, 0x1f, "pic1");
request_region (IC_PIC2, 0x1f, "pic2");
request_region (sio->acpi_base, 0x1f, "acpi");
/* Enable the legacy I/O function */
- pci_read_config_word (pdev, PCI_COMMAND, &word);
+ pci_read_config_word (pdev, PCI_COMMAND, &word);
word |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY | PCI_COMMAND_IO;
pci_write_config_word (pdev, PCI_COMMAND, word);
pci_set_master (pdev);
- pci_enable_device(pdev);
+ ret = pci_enable_device(pdev);
+ BUG_ON(ret < 0); /* not too much we can do about this... */
/*
* Next project is programming the onboard interrupt controllers.
@@ -260,28 +270,29 @@ superio_init(struct superio_device *sio)
/* Setup USB power regulation */
outb(1, sio->acpi_base + USB_REG_CR);
if (inb(sio->acpi_base + USB_REG_CR) & 1)
- printk(KERN_INFO "SuperIO: USB regulator enabled\n");
+ printk(KERN_INFO PFX "USB regulator enabled\n");
else
- printk(KERN_ERR "USB regulator not initialized!\n");
+ printk(KERN_ERR PFX "USB regulator not initialized!\n");
- if (request_irq(pdev->irq, superio_interrupt, SA_INTERRUPT,
- "SuperIO", (void *)sio)) {
+ if (request_irq(pdev->irq, superio_interrupt, 0,
+ SUPERIO, (void *)sio)) {
- printk(KERN_ERR "SuperIO: could not get irq\n");
+ printk(KERN_ERR PFX "could not get irq\n");
BUG();
return;
}
sio->suckyio_irq_enabled = 1;
}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87560_LIO, superio_init);
-
-static void superio_disable_irq(unsigned int irq)
+static void superio_mask_irq(struct irq_data *d)
{
+ unsigned int irq = d->irq;
u8 r8;
if ((irq < 1) || (irq == 2) || (irq > 7)) {
- printk(KERN_ERR "SuperIO: Illegal irq number.\n");
+ printk(KERN_ERR PFX "Illegal irq number.\n");
BUG();
return;
}
@@ -293,12 +304,13 @@ static void superio_disable_irq(unsigned int irq)
outb (r8,IC_PIC1+1);
}
-static void superio_enable_irq(unsigned int irq)
+static void superio_unmask_irq(struct irq_data *d)
{
+ unsigned int irq = d->irq;
u8 r8;
if ((irq < 1) || (irq == 2) || (irq > 7)) {
- printk(KERN_ERR "SuperIO: Illegal irq number (%d).\n", irq);
+ printk(KERN_ERR PFX "Illegal irq number (%d).\n", irq);
BUG();
return;
}
@@ -309,20 +321,10 @@ static void superio_enable_irq(unsigned int irq)
outb (r8,IC_PIC1+1);
}
-static unsigned int superio_startup_irq(unsigned int irq)
-{
- superio_enable_irq(irq);
- return 0;
-}
-
-static struct hw_interrupt_type superio_interrupt_type = {
- .typename = "SuperIO",
- .startup = superio_startup_irq,
- .shutdown = superio_disable_irq,
- .enable = superio_enable_irq,
- .disable = superio_disable_irq,
- .ack = no_ack_irq,
- .end = no_end_irq,
+static struct irq_chip superio_interrupt_type = {
+ .name = SUPERIO,
+ .irq_unmask = superio_unmask_irq,
+ .irq_mask = superio_mask_irq,
};
#ifdef DEBUG_SUPERIO_INIT
@@ -346,14 +348,15 @@ int superio_fixup_irq(struct pci_dev *pcidev)
BUG();
return -1;
}
- printk("superio_fixup_irq(%s) ven 0x%x dev 0x%x from %p\n",
+ printk("superio_fixup_irq(%s) ven 0x%x dev 0x%x from %pf\n",
pci_name(pcidev),
pcidev->vendor, pcidev->device,
__builtin_return_address(0));
#endif
for (i = 0; i < 16; i++) {
- irq_desc[i].handler = &superio_interrupt_type;
+ irq_set_chip_and_handler(i, &superio_interrupt_type,
+ handle_simple_irq);
}
/*
@@ -382,59 +385,50 @@ int superio_fixup_irq(struct pci_dev *pcidev)
return local_irq;
}
-static struct uart_port serial[] = {
- {
- .iotype = UPIO_PORT,
- .line = 0,
- .type = PORT_16550A,
- .uartclk = 115200*16,
- .fifosize = 16,
- },
- {
- .iotype = UPIO_PORT,
- .line = 1,
- .type = PORT_16550A,
- .uartclk = 115200*16,
- .fifosize = 16,
- }
-};
-
-static void __devinit superio_serial_init(void)
+static void __init superio_serial_init(void)
{
#ifdef CONFIG_SERIAL_8250
int retval;
-
- serial[0].iobase = sio_dev.sp1_base;
- serial[0].irq = SP1_IRQ;
- spin_lock_init(&serial[0].lock);
-
- retval = early_serial_setup(&serial[0]);
+ struct uart_port serial_port;
+
+ memset(&serial_port, 0, sizeof(serial_port));
+ serial_port.iotype = UPIO_PORT;
+ serial_port.type = PORT_16550A;
+ serial_port.uartclk = 115200*16;
+ serial_port.fifosize = 16;
+
+ /* serial port #1 */
+ serial_port.iobase = sio_dev.sp1_base;
+ serial_port.irq = SP1_IRQ;
+ serial_port.line = 0;
+ retval = early_serial_setup(&serial_port);
if (retval < 0) {
- printk(KERN_WARNING "SuperIO: Register Serial #0 failed.\n");
+ printk(KERN_WARNING PFX "Register Serial #0 failed.\n");
return;
}
- serial[1].iobase = sio_dev.sp2_base;
- serial[1].irq = SP2_IRQ;
- spin_lock_init(&serial[1].lock);
- retval = early_serial_setup(&serial[1]);
-
+ /* serial port #2 */
+ serial_port.iobase = sio_dev.sp2_base;
+ serial_port.irq = SP2_IRQ;
+ serial_port.line = 1;
+ retval = early_serial_setup(&serial_port);
if (retval < 0)
- printk(KERN_WARNING "SuperIO: Register Serial #1 failed.\n");
+ printk(KERN_WARNING PFX "Register Serial #1 failed.\n");
#endif /* CONFIG_SERIAL_8250 */
}
-static void __devinit superio_parport_init(void)
+static void __init superio_parport_init(void)
{
#ifdef CONFIG_PARPORT_PC
if (!parport_pc_probe_port(sio_dev.pp_base,
0 /*base_hi*/,
PAR_IRQ,
PARPORT_DMA_NONE /* dma */,
- NULL /*struct pci_dev* */) )
+ NULL /*struct pci_dev* */,
+ 0 /* shared irq flags */))
- printk(KERN_WARNING "SuperIO: Probing parallel port failed.\n");
+ printk(KERN_WARNING PFX "Probing parallel port failed.\n");
#endif /* CONFIG_PARPORT_PC */
}
@@ -452,8 +446,10 @@ static void superio_fixup_pci(struct pci_dev *pdev)
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87415, superio_fixup_pci);
-static int __devinit superio_probe(struct pci_dev *dev, const struct pci_device_id *id)
+static int __init
+superio_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
+ struct superio_device *sio = &sio_dev;
/*
** superio_probe(00:0e.0) ven 0x100b dev 0x2 sv 0x0 sd 0x0 class 0x1018a
@@ -466,7 +462,7 @@ static int __devinit superio_probe(struct pci_dev *dev, const struct pci_device_
dev->subsystem_vendor, dev->subsystem_device,
dev->class);
- superio_init(&sio_dev);
+ BUG_ON(!sio->suckyio_irq_enabled); /* Enabled by PCI_FIXUP_FINAL */
if (dev->device == PCI_DEVICE_ID_NS_87560_LIO) { /* Function 1 */
superio_parport_init();
@@ -481,31 +477,21 @@ static int __devinit superio_probe(struct pci_dev *dev, const struct pci_device_
DBG_INIT("superio_probe: WTF? Fire Extinguisher?\n");
}
- /* Let appropriate other driver claim this device. */
+ /* Let appropriate other driver claim this device. */
return -ENODEV;
}
-static struct pci_device_id superio_tbl[] = {
- { PCI_VENDOR_ID_NS, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+static const struct pci_device_id superio_tbl[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87560_LIO) },
+ { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87560_USB) },
+ { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87415) },
{ 0, }
};
static struct pci_driver superio_driver = {
- .name = "SuperIO",
- .id_table = superio_tbl,
- .probe = superio_probe,
+ .name = SUPERIO,
+ .id_table = superio_tbl,
+ .probe = superio_probe,
};
-static int __init superio_modinit(void)
-{
- return pci_register_driver(&superio_driver);
-}
-
-static void __exit superio_exit(void)
-{
- pci_unregister_driver(&superio_driver);
-}
-
-
-module_init(superio_modinit);
-module_exit(superio_exit);
+module_pci_driver(superio_driver);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 18:39:11 +0000