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-rw-r--r--drivers/sn/ioc3.c844
1 files changed, 0 insertions, 844 deletions
diff --git a/drivers/sn/ioc3.c b/drivers/sn/ioc3.c
deleted file mode 100644
index 358025af4918..000000000000
--- a/drivers/sn/ioc3.c
+++ /dev/null
@@ -1,844 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * SGI IOC3 master driver and IRQ demuxer
- *
- * Copyright (c) 2005 Stanislaw Skowronek <skylark@linux-mips.org>
- * Heavily based on similar work by:
- * Brent Casavant <bcasavan@sgi.com> - IOC4 master driver
- * Pat Gefre <pfg@sgi.com> - IOC3 serial port IRQ demuxer
- */
-
-#include <linux/errno.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/dma-mapping.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#include <linux/delay.h>
-#include <linux/ioc3.h>
-#include <linux/rwsem.h>
-#include <linux/slab.h>
-
-#define IOC3_PCI_SIZE 0x100000
-
-static LIST_HEAD(ioc3_devices);
-static int ioc3_counter;
-static DECLARE_RWSEM(ioc3_devices_rwsem);
-
-static struct ioc3_submodule *ioc3_submodules[IOC3_MAX_SUBMODULES];
-static struct ioc3_submodule *ioc3_ethernet;
-static DEFINE_RWLOCK(ioc3_submodules_lock);
-
-/* NIC probing code */
-
-#define GPCR_MLAN_EN 0x00200000 /* enable MCR to pin 8 */
-
-static inline unsigned mcr_pack(unsigned pulse, unsigned sample)
-{
- return (pulse << 10) | (sample << 2);
-}
-
-static int nic_wait(struct ioc3_driver_data *idd)
-{
- unsigned mcr;
-
- do {
- mcr = readl(&idd->vma->mcr);
- } while (!(mcr & 2));
-
- return mcr & 1;
-}
-
-static int nic_reset(struct ioc3_driver_data *idd)
-{
- int presence;
- unsigned long flags;
-
- local_irq_save(flags);
- writel(mcr_pack(500, 65), &idd->vma->mcr);
- presence = nic_wait(idd);
- local_irq_restore(flags);
-
- udelay(500);
-
- return presence;
-}
-
-static int nic_read_bit(struct ioc3_driver_data *idd)
-{
- int result;
- unsigned long flags;
-
- local_irq_save(flags);
- writel(mcr_pack(6, 13), &idd->vma->mcr);
- result = nic_wait(idd);
- local_irq_restore(flags);
-
- udelay(500);
-
- return result;
-}
-
-static void nic_write_bit(struct ioc3_driver_data *idd, int bit)
-{
- if (bit)
- writel(mcr_pack(6, 110), &idd->vma->mcr);
- else
- writel(mcr_pack(80, 30), &idd->vma->mcr);
-
- nic_wait(idd);
-}
-
-static unsigned nic_read_byte(struct ioc3_driver_data *idd)
-{
- unsigned result = 0;
- int i;
-
- for (i = 0; i < 8; i++)
- result = (result >> 1) | (nic_read_bit(idd) << 7);
-
- return result;
-}
-
-static void nic_write_byte(struct ioc3_driver_data *idd, int byte)
-{
- int i, bit;
-
- for (i = 8; i; i--) {
- bit = byte & 1;
- byte >>= 1;
-
- nic_write_bit(idd, bit);
- }
-}
-
-static unsigned long
-nic_find(struct ioc3_driver_data *idd, int *last, unsigned long addr)
-{
- int a, b, index, disc;
-
- nic_reset(idd);
-
- /* Search ROM. */
- nic_write_byte(idd, 0xF0);
-
- /* Algorithm from ``Book of iButton Standards''. */
- for (index = 0, disc = 0; index < 64; index++) {
- a = nic_read_bit(idd);
- b = nic_read_bit(idd);
-
- if (a && b) {
- printk(KERN_WARNING "IOC3 NIC search failed.\n");
- *last = 0;
- return 0;
- }
-
- if (!a && !b) {
- if (index == *last) {
- addr |= 1UL << index;
- } else if (index > *last) {
- addr &= ~(1UL << index);
- disc = index;
- } else if ((addr & (1UL << index)) == 0)
- disc = index;
- nic_write_bit(idd, (addr>>index)&1);
- continue;
- } else {
- if (a)
- addr |= 1UL << index;
- else
- addr &= ~(1UL << index);
- nic_write_bit(idd, a);
- continue;
- }
- }
- *last = disc;
- return addr;
-}
-
-static void nic_addr(struct ioc3_driver_data *idd, unsigned long addr)
-{
- int index;
-
- nic_reset(idd);
- nic_write_byte(idd, 0xF0);
- for (index = 0; index < 64; index++) {
- nic_read_bit(idd);
- nic_read_bit(idd);
- nic_write_bit(idd, (addr>>index)&1);
- }
-}
-
-static void crc16_byte(unsigned int *crc, unsigned char db)
-{
- int i;
-
- for(i=0;i<8;i++) {
- *crc <<= 1;
- if((db^(*crc>>16)) & 1)
- *crc ^= 0x8005;
- db >>= 1;
- }
- *crc &= 0xFFFF;
-}
-
-static unsigned int crc16_area(unsigned char *dbs, int size, unsigned int crc)
-{
- while(size--)
- crc16_byte(&crc, *(dbs++));
- return crc;
-}
-
-static void crc8_byte(unsigned int *crc, unsigned char db)
-{
- int i,f;
-
- for(i=0;i<8;i++) {
- f = (*crc ^ db) & 1;
- *crc >>= 1;
- db >>= 1;
- if(f)
- *crc ^= 0x8c;
- }
- *crc &= 0xff;
-}
-
-static unsigned int crc8_addr(unsigned long addr)
-{
- int i;
- unsigned int crc = 0x00;
-
- for(i=0;i<8;i++)
- crc8_byte(&crc, addr>>(i<<3));
- return crc;
-}
-
-static void
-read_redir_page(struct ioc3_driver_data *idd, unsigned long addr, int page,
- unsigned char *redir, unsigned char *data)
-{
- int loops = 16, i;
-
- while(redir[page] != 0xFF) {
- page = redir[page]^0xFF;
- loops--;
- if(loops<0) {
- printk(KERN_ERR "IOC3: NIC circular redirection\n");
- return;
- }
- }
- loops = 3;
- while(loops>0) {
- nic_addr(idd, addr);
- nic_write_byte(idd, 0xF0);
- nic_write_byte(idd, (page << 5) & 0xE0);
- nic_write_byte(idd, (page >> 3) & 0x1F);
- for(i=0;i<0x20;i++)
- data[i] = nic_read_byte(idd);
- if(crc16_area(data, 0x20, 0x0000) == 0x800d)
- return;
- loops--;
- }
- printk(KERN_ERR "IOC3: CRC error in data page\n");
- for(i=0;i<0x20;i++)
- data[i] = 0x00;
-}
-
-static void
-read_redir_map(struct ioc3_driver_data *idd, unsigned long addr,
- unsigned char *redir)
-{
- int i,j,loops = 3,crc_ok;
- unsigned int crc;
-
- while(loops>0) {
- crc_ok = 1;
- nic_addr(idd, addr);
- nic_write_byte(idd, 0xAA);
- nic_write_byte(idd, 0x00);
- nic_write_byte(idd, 0x01);
- for(i=0;i<64;i+=8) {
- for(j=0;j<8;j++)
- redir[i+j] = nic_read_byte(idd);
- crc = crc16_area(redir+i, 8, (i==0)?0x8707:0x0000);
- crc16_byte(&crc, nic_read_byte(idd));
- crc16_byte(&crc, nic_read_byte(idd));
- if(crc != 0x800d)
- crc_ok = 0;
- }
- if(crc_ok)
- return;
- loops--;
- }
- printk(KERN_ERR "IOC3: CRC error in redirection page\n");
- for(i=0;i<64;i++)
- redir[i] = 0xFF;
-}
-
-static void read_nic(struct ioc3_driver_data *idd, unsigned long addr)
-{
- unsigned char redir[64];
- unsigned char data[64],part[32];
- int i,j;
-
- /* read redirections */
- read_redir_map(idd, addr, redir);
- /* read data pages */
- read_redir_page(idd, addr, 0, redir, data);
- read_redir_page(idd, addr, 1, redir, data+32);
- /* assemble the part # */
- j=0;
- for(i=0;i<19;i++)
- if(data[i+11] != ' ')
- part[j++] = data[i+11];
- for(i=0;i<6;i++)
- if(data[i+32] != ' ')
- part[j++] = data[i+32];
- part[j] = 0;
- /* skip Octane power supplies */
- if(!strncmp(part, "060-0035-", 9))
- return;
- if(!strncmp(part, "060-0038-", 9))
- return;
- strcpy(idd->nic_part, part);
- /* assemble the serial # */
- j=0;
- for(i=0;i<10;i++)
- if(data[i+1] != ' ')
- idd->nic_serial[j++] = data[i+1];
- idd->nic_serial[j] = 0;
-}
-
-static void read_mac(struct ioc3_driver_data *idd, unsigned long addr)
-{
- int i, loops = 3;
- unsigned char data[13];
-
- while(loops>0) {
- nic_addr(idd, addr);
- nic_write_byte(idd, 0xF0);
- nic_write_byte(idd, 0x00);
- nic_write_byte(idd, 0x00);
- nic_read_byte(idd);
- for(i=0;i<13;i++)
- data[i] = nic_read_byte(idd);
- if(crc16_area(data, 13, 0x0000) == 0x800d) {
- for(i=10;i>4;i--)
- idd->nic_mac[10-i] = data[i];
- return;
- }
- loops--;
- }
- printk(KERN_ERR "IOC3: CRC error in MAC address\n");
- for(i=0;i<6;i++)
- idd->nic_mac[i] = 0x00;
-}
-
-static void probe_nic(struct ioc3_driver_data *idd)
-{
- int save = 0, loops = 3;
- unsigned long first, addr;
-
- writel(GPCR_MLAN_EN, &idd->vma->gpcr_s);
-
- while(loops>0) {
- idd->nic_part[0] = 0;
- idd->nic_serial[0] = 0;
- addr = first = nic_find(idd, &save, 0);
- if(!first)
- return;
- while(1) {
- if(crc8_addr(addr))
- break;
- else {
- switch(addr & 0xFF) {
- case 0x0B:
- read_nic(idd, addr);
- break;
- case 0x09:
- case 0x89:
- case 0x91:
- read_mac(idd, addr);
- break;
- }
- }
- addr = nic_find(idd, &save, addr);
- if(addr == first)
- return;
- }
- loops--;
- }
- printk(KERN_ERR "IOC3: CRC error in NIC address\n");
-}
-
-/* Interrupts */
-
-static void write_ireg(struct ioc3_driver_data *idd, uint32_t val, int which)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&idd->ir_lock, flags);
- switch (which) {
- case IOC3_W_IES:
- writel(val, &idd->vma->sio_ies);
- break;
- case IOC3_W_IEC:
- writel(val, &idd->vma->sio_iec);
- break;
- }
- spin_unlock_irqrestore(&idd->ir_lock, flags);
-}
-static inline uint32_t get_pending_intrs(struct ioc3_driver_data *idd)
-{
- unsigned long flag;
- uint32_t intrs = 0;
-
- spin_lock_irqsave(&idd->ir_lock, flag);
- intrs = readl(&idd->vma->sio_ir);
- intrs &= readl(&idd->vma->sio_ies);
- spin_unlock_irqrestore(&idd->ir_lock, flag);
- return intrs;
-}
-
-static irqreturn_t ioc3_intr_io(int irq, void *arg)
-{
- unsigned long flags;
- struct ioc3_driver_data *idd = arg;
- int handled = 1, id;
- unsigned int pending;
-
- read_lock_irqsave(&ioc3_submodules_lock, flags);
-
- if(idd->dual_irq && readb(&idd->vma->eisr)) {
- /* send Ethernet IRQ to the driver */
- if(ioc3_ethernet && idd->active[ioc3_ethernet->id] &&
- ioc3_ethernet->intr) {
- handled = handled && !ioc3_ethernet->intr(ioc3_ethernet,
- idd, 0);
- }
- }
- pending = get_pending_intrs(idd); /* look at the IO IRQs */
-
- for(id=0;id<IOC3_MAX_SUBMODULES;id++) {
- if(idd->active[id] && ioc3_submodules[id]
- && (pending & ioc3_submodules[id]->irq_mask)
- && ioc3_submodules[id]->intr) {
- write_ireg(idd, ioc3_submodules[id]->irq_mask,
- IOC3_W_IEC);
- if(!ioc3_submodules[id]->intr(ioc3_submodules[id],
- idd, pending & ioc3_submodules[id]->irq_mask))
- pending &= ~ioc3_submodules[id]->irq_mask;
- if (ioc3_submodules[id]->reset_mask)
- write_ireg(idd, ioc3_submodules[id]->irq_mask,
- IOC3_W_IES);
- }
- }
- read_unlock_irqrestore(&ioc3_submodules_lock, flags);
- if(pending) {
- printk(KERN_WARNING
- "IOC3: Pending IRQs 0x%08x discarded and disabled\n",pending);
- write_ireg(idd, pending, IOC3_W_IEC);
- handled = 1;
- }
- return handled?IRQ_HANDLED:IRQ_NONE;
-}
-
-static irqreturn_t ioc3_intr_eth(int irq, void *arg)
-{
- unsigned long flags;
- struct ioc3_driver_data *idd = (struct ioc3_driver_data *)arg;
- int handled = 1;
-
- if(!idd->dual_irq)
- return IRQ_NONE;
- read_lock_irqsave(&ioc3_submodules_lock, flags);
- if(ioc3_ethernet && idd->active[ioc3_ethernet->id]
- && ioc3_ethernet->intr)
- handled = handled && !ioc3_ethernet->intr(ioc3_ethernet, idd, 0);
- read_unlock_irqrestore(&ioc3_submodules_lock, flags);
- return handled?IRQ_HANDLED:IRQ_NONE;
-}
-
-void ioc3_enable(struct ioc3_submodule *is,
- struct ioc3_driver_data *idd, unsigned int irqs)
-{
- write_ireg(idd, irqs & is->irq_mask, IOC3_W_IES);
-}
-
-void ioc3_ack(struct ioc3_submodule *is, struct ioc3_driver_data *idd,
- unsigned int irqs)
-{
- writel(irqs & is->irq_mask, &idd->vma->sio_ir);
-}
-
-void ioc3_disable(struct ioc3_submodule *is,
- struct ioc3_driver_data *idd, unsigned int irqs)
-{
- write_ireg(idd, irqs & is->irq_mask, IOC3_W_IEC);
-}
-
-void ioc3_gpcr_set(struct ioc3_driver_data *idd, unsigned int val)
-{
- unsigned long flags;
- spin_lock_irqsave(&idd->gpio_lock, flags);
- writel(val, &idd->vma->gpcr_s);
- spin_unlock_irqrestore(&idd->gpio_lock, flags);
-}
-
-/* Keep it simple, stupid! */
-static int find_slot(void **tab, int max)
-{
- int i;
- for(i=0;i<max;i++)
- if(!(tab[i]))
- return i;
- return -1;
-}
-
-/* Register an IOC3 submodule */
-int ioc3_register_submodule(struct ioc3_submodule *is)
-{
- struct ioc3_driver_data *idd;
- int alloc_id;
- unsigned long flags;
-
- write_lock_irqsave(&ioc3_submodules_lock, flags);
- alloc_id = find_slot((void **)ioc3_submodules, IOC3_MAX_SUBMODULES);
- if(alloc_id != -1) {
- ioc3_submodules[alloc_id] = is;
- if(is->ethernet) {
- if(ioc3_ethernet==NULL)
- ioc3_ethernet=is;
- else
- printk(KERN_WARNING
- "IOC3 Ethernet module already registered!\n");
- }
- }
- write_unlock_irqrestore(&ioc3_submodules_lock, flags);
-
- if(alloc_id == -1) {
- printk(KERN_WARNING "Increase IOC3_MAX_SUBMODULES!\n");
- return -ENOMEM;
- }
-
- is->id=alloc_id;
-
- /* Initialize submodule for each IOC3 */
- if (!is->probe)
- return 0;
-
- down_read(&ioc3_devices_rwsem);
- list_for_each_entry(idd, &ioc3_devices, list) {
- /* set to 1 for IRQs in probe */
- idd->active[alloc_id] = 1;
- idd->active[alloc_id] = !is->probe(is, idd);
- }
- up_read(&ioc3_devices_rwsem);
-
- return 0;
-}
-
-/* Unregister an IOC3 submodule */
-void ioc3_unregister_submodule(struct ioc3_submodule *is)
-{
- struct ioc3_driver_data *idd;
- unsigned long flags;
-
- write_lock_irqsave(&ioc3_submodules_lock, flags);
- if(ioc3_submodules[is->id]==is)
- ioc3_submodules[is->id]=NULL;
- else
- printk(KERN_WARNING
- "IOC3 submodule %s has wrong ID.\n",is->name);
- if(ioc3_ethernet==is)
- ioc3_ethernet = NULL;
- write_unlock_irqrestore(&ioc3_submodules_lock, flags);
-
- /* Remove submodule for each IOC3 */
- down_read(&ioc3_devices_rwsem);
- list_for_each_entry(idd, &ioc3_devices, list)
- if(idd->active[is->id]) {
- if(is->remove)
- if(is->remove(is, idd))
- printk(KERN_WARNING
- "%s: IOC3 submodule %s remove failed "
- "for pci_dev %s.\n",
- __func__, module_name(is->owner),
- pci_name(idd->pdev));
- idd->active[is->id] = 0;
- if(is->irq_mask)
- write_ireg(idd, is->irq_mask, IOC3_W_IEC);
- }
- up_read(&ioc3_devices_rwsem);
-}
-
-/*********************
- * Device management *
- *********************/
-
-static char *ioc3_class_names[] = { "unknown", "IP27 BaseIO", "IP30 system",
- "MENET 1/2/3", "MENET 4", "CADduo", "Altix Serial" };
-
-static int ioc3_class(struct ioc3_driver_data *idd)
-{
- int res = IOC3_CLASS_NONE;
- /* NIC-based logic */
- if(!strncmp(idd->nic_part, "030-0891-", 9))
- res = IOC3_CLASS_BASE_IP30;
- if(!strncmp(idd->nic_part, "030-1155-", 9))
- res = IOC3_CLASS_CADDUO;
- if(!strncmp(idd->nic_part, "030-1657-", 9))
- res = IOC3_CLASS_SERIAL;
- if(!strncmp(idd->nic_part, "030-1664-", 9))
- res = IOC3_CLASS_SERIAL;
- /* total random heuristics */
-#ifdef CONFIG_SGI_IP27
- if(!idd->nic_part[0])
- res = IOC3_CLASS_BASE_IP27;
-#endif
- /* print educational message */
- printk(KERN_INFO "IOC3 part: [%s], serial: [%s] => class %s\n",
- idd->nic_part, idd->nic_serial, ioc3_class_names[res]);
- return res;
-}
-/* Adds a new instance of an IOC3 card */
-static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
-{
- struct ioc3_driver_data *idd;
- uint32_t pcmd;
- int ret, id;
-
- /* Enable IOC3 and take ownership of it */
- if ((ret = pci_enable_device(pdev))) {
- printk(KERN_WARNING
- "%s: Failed to enable IOC3 device for pci_dev %s.\n",
- __func__, pci_name(pdev));
- goto out;
- }
- pci_set_master(pdev);
-
-#ifdef USE_64BIT_DMA
- ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
- if (!ret) {
- ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
- if (ret < 0) {
- printk(KERN_WARNING "%s: Unable to obtain 64 bit DMA "
- "for consistent allocations\n",
- __func__);
- }
- }
-#endif
-
- /* Set up per-IOC3 data */
- idd = kzalloc(sizeof(struct ioc3_driver_data), GFP_KERNEL);
- if (!idd) {
- printk(KERN_WARNING
- "%s: Failed to allocate IOC3 data for pci_dev %s.\n",
- __func__, pci_name(pdev));
- ret = -ENODEV;
- goto out_idd;
- }
- spin_lock_init(&idd->ir_lock);
- spin_lock_init(&idd->gpio_lock);
- idd->pdev = pdev;
-
- /* Map all IOC3 registers. These are shared between subdevices
- * so the main IOC3 module manages them.
- */
- idd->pma = pci_resource_start(pdev, 0);
- if (!idd->pma) {
- printk(KERN_WARNING
- "%s: Unable to find IOC3 resource "
- "for pci_dev %s.\n",
- __func__, pci_name(pdev));
- ret = -ENODEV;
- goto out_pci;
- }
- if (!request_mem_region(idd->pma, IOC3_PCI_SIZE, "ioc3")) {
- printk(KERN_WARNING
- "%s: Unable to request IOC3 region "
- "for pci_dev %s.\n",
- __func__, pci_name(pdev));
- ret = -ENODEV;
- goto out_pci;
- }
- idd->vma = ioremap(idd->pma, IOC3_PCI_SIZE);
- if (!idd->vma) {
- printk(KERN_WARNING
- "%s: Unable to remap IOC3 region "
- "for pci_dev %s.\n",
- __func__, pci_name(pdev));
- ret = -ENODEV;
- goto out_misc_region;
- }
-
- /* Track PCI-device specific data */
- pci_set_drvdata(pdev, idd);
- down_write(&ioc3_devices_rwsem);
- list_add_tail(&idd->list, &ioc3_devices);
- idd->id = ioc3_counter++;
- up_write(&ioc3_devices_rwsem);
-
- idd->gpdr_shadow = readl(&idd->vma->gpdr);
-
- /* Read IOC3 NIC contents */
- probe_nic(idd);
-
- /* Detect IOC3 class */
- idd->class = ioc3_class(idd);
-
- /* Initialize IOC3 */
- pci_read_config_dword(pdev, PCI_COMMAND, &pcmd);
- pci_write_config_dword(pdev, PCI_COMMAND,
- pcmd | PCI_COMMAND_MEMORY |
- PCI_COMMAND_PARITY | PCI_COMMAND_SERR |
- PCI_SCR_DROP_MODE_EN);
-
- write_ireg(idd, ~0, IOC3_W_IEC);
- writel(~0, &idd->vma->sio_ir);
-
- /* Set up IRQs */
- if(idd->class == IOC3_CLASS_BASE_IP30
- || idd->class == IOC3_CLASS_BASE_IP27) {
- writel(0, &idd->vma->eier);
- writel(~0, &idd->vma->eisr);
-
- idd->dual_irq = 1;
- if (!request_irq(pdev->irq, ioc3_intr_eth, IRQF_SHARED,
- "ioc3-eth", (void *)idd)) {
- idd->irq_eth = pdev->irq;
- } else {
- printk(KERN_WARNING
- "%s : request_irq fails for IRQ 0x%x\n ",
- __func__, pdev->irq);
- }
- if (!request_irq(pdev->irq+2, ioc3_intr_io, IRQF_SHARED,
- "ioc3-io", (void *)idd)) {
- idd->irq_io = pdev->irq+2;
- } else {
- printk(KERN_WARNING
- "%s : request_irq fails for IRQ 0x%x\n ",
- __func__, pdev->irq+2);
- }
- } else {
- if (!request_irq(pdev->irq, ioc3_intr_io, IRQF_SHARED,
- "ioc3", (void *)idd)) {
- idd->irq_io = pdev->irq;
- } else {
- printk(KERN_WARNING
- "%s : request_irq fails for IRQ 0x%x\n ",
- __func__, pdev->irq);
- }
- }
-
- /* Add this IOC3 to all submodules */
- for(id=0;id<IOC3_MAX_SUBMODULES;id++)
- if(ioc3_submodules[id] && ioc3_submodules[id]->probe) {
- idd->active[id] = 1;
- idd->active[id] = !ioc3_submodules[id]->probe
- (ioc3_submodules[id], idd);
- }
-
- printk(KERN_INFO "IOC3 Master Driver loaded for %s\n", pci_name(pdev));
-
- return 0;
-
-out_misc_region:
- release_mem_region(idd->pma, IOC3_PCI_SIZE);
-out_pci:
- kfree(idd);
-out_idd:
- pci_disable_device(pdev);
-out:
- return ret;
-}
-
-/* Removes a particular instance of an IOC3 card. */
-static void ioc3_remove(struct pci_dev *pdev)
-{
- int id;
- struct ioc3_driver_data *idd;
-
- idd = pci_get_drvdata(pdev);
-
- /* Remove this IOC3 from all submodules */
- for(id=0;id<IOC3_MAX_SUBMODULES;id++)
- if(idd->active[id]) {
- if(ioc3_submodules[id] && ioc3_submodules[id]->remove)
- if(ioc3_submodules[id]->remove(ioc3_submodules[id],
- idd))
- printk(KERN_WARNING
- "%s: IOC3 submodule 0x%s remove failed "
- "for pci_dev %s.\n",
- __func__,
- module_name(ioc3_submodules[id]->owner),
- pci_name(pdev));
- idd->active[id] = 0;
- }
-
- /* Clear and disable all IRQs */
- write_ireg(idd, ~0, IOC3_W_IEC);
- writel(~0, &idd->vma->sio_ir);
-
- /* Release resources */
- free_irq(idd->irq_io, (void *)idd);
- if(idd->dual_irq)
- free_irq(idd->irq_eth, (void *)idd);
- iounmap(idd->vma);
- release_mem_region(idd->pma, IOC3_PCI_SIZE);
-
- /* Disable IOC3 and relinquish */
- pci_disable_device(pdev);
-
- /* Remove and free driver data */
- down_write(&ioc3_devices_rwsem);
- list_del(&idd->list);
- up_write(&ioc3_devices_rwsem);
- kfree(idd);
-}
-
-static struct pci_device_id ioc3_id_table[] = {
- {PCI_VENDOR_ID_SGI, PCI_DEVICE_ID_SGI_IOC3, PCI_ANY_ID, PCI_ANY_ID},
- {0}
-};
-
-static struct pci_driver ioc3_driver = {
- .name = "IOC3",
- .id_table = ioc3_id_table,
- .probe = ioc3_probe,
- .remove = ioc3_remove,
-};
-
-MODULE_DEVICE_TABLE(pci, ioc3_id_table);
-
-/*********************
- * Module management *
- *********************/
-
-/* Module load */
-static int __init ioc3_init(void)
-{
- if (ia64_platform_is("sn2"))
- return pci_register_driver(&ioc3_driver);
- return -ENODEV;
-}
-
-/* Module unload */
-static void __exit ioc3_exit(void)
-{
- pci_unregister_driver(&ioc3_driver);
-}
-
-module_init(ioc3_init);
-module_exit(ioc3_exit);
-
-MODULE_AUTHOR("Stanislaw Skowronek <skylark@linux-mips.org>");
-MODULE_DESCRIPTION("PCI driver for SGI IOC3");
-MODULE_LICENSE("GPL");
-
-EXPORT_SYMBOL_GPL(ioc3_register_submodule);
-EXPORT_SYMBOL_GPL(ioc3_unregister_submodule);
-EXPORT_SYMBOL_GPL(ioc3_ack);
-EXPORT_SYMBOL_GPL(ioc3_gpcr_set);
-EXPORT_SYMBOL_GPL(ioc3_disable);
-EXPORT_SYMBOL_GPL(ioc3_enable);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 10:58:52 +0000