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path: root/drivers/pcmcia/i82092.c
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Diffstat (limited to 'drivers/pcmcia/i82092.c')
-rw-r--r--drivers/pcmcia/i82092.c799
1 files changed, 799 insertions, 0 deletions
diff --git a/drivers/pcmcia/i82092.c b/drivers/pcmcia/i82092.c
new file mode 100644
index 00000000000..f3fdc748659
--- /dev/null
+++ b/drivers/pcmcia/i82092.c
@@ -0,0 +1,799 @@
+/*
+ * Driver for Intel I82092AA PCI-PCMCIA bridge.
+ *
+ * (C) 2001 Red Hat, Inc.
+ *
+ * Author: Arjan Van De Ven <arjanv@redhat.com>
+ * Loosly based on i82365.c from the pcmcia-cs package
+ *
+ * $Id: i82092aa.c,v 1.2 2001/10/23 14:43:34 arjanv Exp $
+ */
+
+#include <linux/kernel.h>
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/workqueue.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+
+#include <pcmcia/cs_types.h>
+#include <pcmcia/ss.h>
+#include <pcmcia/cs.h>
+
+#include <asm/system.h>
+#include <asm/io.h>
+
+#include "i82092aa.h"
+#include "i82365.h"
+
+MODULE_LICENSE("GPL");
+
+/* PCI core routines */
+static struct pci_device_id i82092aa_pci_ids[] = {
+ {
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_82092AA_0,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {}
+};
+MODULE_DEVICE_TABLE(pci, i82092aa_pci_ids);
+
+static int i82092aa_socket_suspend (struct pci_dev *dev, pm_message_t state)
+{
+ return pcmcia_socket_dev_suspend(&dev->dev, state);
+}
+
+static int i82092aa_socket_resume (struct pci_dev *dev)
+{
+ return pcmcia_socket_dev_resume(&dev->dev);
+}
+
+static struct pci_driver i82092aa_pci_drv = {
+ .name = "i82092aa",
+ .id_table = i82092aa_pci_ids,
+ .probe = i82092aa_pci_probe,
+ .remove = __devexit_p(i82092aa_pci_remove),
+ .suspend = i82092aa_socket_suspend,
+ .resume = i82092aa_socket_resume,
+};
+
+
+/* the pccard structure and its functions */
+static struct pccard_operations i82092aa_operations = {
+ .init = i82092aa_init,
+ .get_status = i82092aa_get_status,
+ .get_socket = i82092aa_get_socket,
+ .set_socket = i82092aa_set_socket,
+ .set_io_map = i82092aa_set_io_map,
+ .set_mem_map = i82092aa_set_mem_map,
+};
+
+/* The card can do upto 4 sockets, allocate a structure for each of them */
+
+struct socket_info {
+ int number;
+ int card_state; /* 0 = no socket,
+ 1 = empty socket,
+ 2 = card but not initialized,
+ 3 = operational card */
+ kio_addr_t io_base; /* base io address of the socket */
+
+ struct pcmcia_socket socket;
+ struct pci_dev *dev; /* The PCI device for the socket */
+};
+
+#define MAX_SOCKETS 4
+static struct socket_info sockets[MAX_SOCKETS];
+static int socket_count; /* shortcut */
+
+
+static int __devinit i82092aa_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
+{
+ unsigned char configbyte;
+ int i, ret;
+
+ enter("i82092aa_pci_probe");
+
+ if ((ret = pci_enable_device(dev)))
+ return ret;
+
+ pci_read_config_byte(dev, 0x40, &configbyte); /* PCI Configuration Control */
+ switch(configbyte&6) {
+ case 0:
+ socket_count = 2;
+ break;
+ case 2:
+ socket_count = 1;
+ break;
+ case 4:
+ case 6:
+ socket_count = 4;
+ break;
+
+ default:
+ printk(KERN_ERR "i82092aa: Oops, you did something we didn't think of.\n");
+ ret = -EIO;
+ goto err_out_disable;
+ }
+ printk(KERN_INFO "i82092aa: configured as a %d socket device.\n", socket_count);
+
+ if (!request_region(pci_resource_start(dev, 0), 2, "i82092aa")) {
+ ret = -EBUSY;
+ goto err_out_disable;
+ }
+
+ for (i = 0;i<socket_count;i++) {
+ sockets[i].card_state = 1; /* 1 = present but empty */
+ sockets[i].io_base = pci_resource_start(dev, 0);
+ sockets[i].socket.features |= SS_CAP_PCCARD;
+ sockets[i].socket.map_size = 0x1000;
+ sockets[i].socket.irq_mask = 0;
+ sockets[i].socket.pci_irq = dev->irq;
+ sockets[i].socket.owner = THIS_MODULE;
+
+ sockets[i].number = i;
+
+ if (card_present(i)) {
+ sockets[i].card_state = 3;
+ dprintk(KERN_DEBUG "i82092aa: slot %i is occupied\n",i);
+ } else {
+ dprintk(KERN_DEBUG "i82092aa: slot %i is vacant\n",i);
+ }
+ }
+
+ /* Now, specifiy that all interrupts are to be done as PCI interrupts */
+ configbyte = 0xFF; /* bitmask, one bit per event, 1 = PCI interrupt, 0 = ISA interrupt */
+ pci_write_config_byte(dev, 0x50, configbyte); /* PCI Interrupt Routing Register */
+
+ /* Register the interrupt handler */
+ dprintk(KERN_DEBUG "Requesting interrupt %i \n",dev->irq);
+ if ((ret = request_irq(dev->irq, i82092aa_interrupt, SA_SHIRQ, "i82092aa", i82092aa_interrupt))) {
+ printk(KERN_ERR "i82092aa: Failed to register IRQ %d, aborting\n", dev->irq);
+ goto err_out_free_res;
+ }
+
+ pci_set_drvdata(dev, &sockets[i].socket);
+
+ for (i = 0; i<socket_count; i++) {
+ sockets[i].socket.dev.dev = &dev->dev;
+ sockets[i].socket.ops = &i82092aa_operations;
+ sockets[i].socket.resource_ops = &pccard_nonstatic_ops;
+ ret = pcmcia_register_socket(&sockets[i].socket);
+ if (ret) {
+ goto err_out_free_sockets;
+ }
+ }
+
+ leave("i82092aa_pci_probe");
+ return 0;
+
+err_out_free_sockets:
+ if (i) {
+ for (i--;i>=0;i--) {
+ pcmcia_unregister_socket(&sockets[i].socket);
+ }
+ }
+ free_irq(dev->irq, i82092aa_interrupt);
+err_out_free_res:
+ release_region(pci_resource_start(dev, 0), 2);
+err_out_disable:
+ pci_disable_device(dev);
+ return ret;
+}
+
+static void __devexit i82092aa_pci_remove(struct pci_dev *dev)
+{
+ struct pcmcia_socket *socket = pci_get_drvdata(dev);
+
+ enter("i82092aa_pci_remove");
+
+ free_irq(dev->irq, i82092aa_interrupt);
+
+ if (socket)
+ pcmcia_unregister_socket(socket);
+
+ leave("i82092aa_pci_remove");
+}
+
+static DEFINE_SPINLOCK(port_lock);
+
+/* basic value read/write functions */
+
+static unsigned char indirect_read(int socket, unsigned short reg)
+{
+ unsigned short int port;
+ unsigned char val;
+ unsigned long flags;
+ spin_lock_irqsave(&port_lock,flags);
+ reg += socket * 0x40;
+ port = sockets[socket].io_base;
+ outb(reg,port);
+ val = inb(port+1);
+ spin_unlock_irqrestore(&port_lock,flags);
+ return val;
+}
+
+#if 0
+static unsigned short indirect_read16(int socket, unsigned short reg)
+{
+ unsigned short int port;
+ unsigned short tmp;
+ unsigned long flags;
+ spin_lock_irqsave(&port_lock,flags);
+ reg = reg + socket * 0x40;
+ port = sockets[socket].io_base;
+ outb(reg,port);
+ tmp = inb(port+1);
+ reg++;
+ outb(reg,port);
+ tmp = tmp | (inb(port+1)<<8);
+ spin_unlock_irqrestore(&port_lock,flags);
+ return tmp;
+}
+#endif
+
+static void indirect_write(int socket, unsigned short reg, unsigned char value)
+{
+ unsigned short int port;
+ unsigned long flags;
+ spin_lock_irqsave(&port_lock,flags);
+ reg = reg + socket * 0x40;
+ port = sockets[socket].io_base;
+ outb(reg,port);
+ outb(value,port+1);
+ spin_unlock_irqrestore(&port_lock,flags);
+}
+
+static void indirect_setbit(int socket, unsigned short reg, unsigned char mask)
+{
+ unsigned short int port;
+ unsigned char val;
+ unsigned long flags;
+ spin_lock_irqsave(&port_lock,flags);
+ reg = reg + socket * 0x40;
+ port = sockets[socket].io_base;
+ outb(reg,port);
+ val = inb(port+1);
+ val |= mask;
+ outb(reg,port);
+ outb(val,port+1);
+ spin_unlock_irqrestore(&port_lock,flags);
+}
+
+
+static void indirect_resetbit(int socket, unsigned short reg, unsigned char mask)
+{
+ unsigned short int port;
+ unsigned char val;
+ unsigned long flags;
+ spin_lock_irqsave(&port_lock,flags);
+ reg = reg + socket * 0x40;
+ port = sockets[socket].io_base;
+ outb(reg,port);
+ val = inb(port+1);
+ val &= ~mask;
+ outb(reg,port);
+ outb(val,port+1);
+ spin_unlock_irqrestore(&port_lock,flags);
+}
+
+static void indirect_write16(int socket, unsigned short reg, unsigned short value)
+{
+ unsigned short int port;
+ unsigned char val;
+ unsigned long flags;
+ spin_lock_irqsave(&port_lock,flags);
+ reg = reg + socket * 0x40;
+ port = sockets[socket].io_base;
+
+ outb(reg,port);
+ val = value & 255;
+ outb(val,port+1);
+
+ reg++;
+
+ outb(reg,port);
+ val = value>>8;
+ outb(val,port+1);
+ spin_unlock_irqrestore(&port_lock,flags);
+}
+
+/* simple helper functions */
+/* External clock time, in nanoseconds. 120 ns = 8.33 MHz */
+static int cycle_time = 120;
+
+static int to_cycles(int ns)
+{
+ if (cycle_time!=0)
+ return ns/cycle_time;
+ else
+ return 0;
+}
+
+
+/* Interrupt handler functionality */
+
+static irqreturn_t i82092aa_interrupt(int irq, void *dev, struct pt_regs *regs)
+{
+ int i;
+ int loopcount = 0;
+ int handled = 0;
+
+ unsigned int events, active=0;
+
+/* enter("i82092aa_interrupt");*/
+
+ while (1) {
+ loopcount++;
+ if (loopcount>20) {
+ printk(KERN_ERR "i82092aa: infinite eventloop in interrupt \n");
+ break;
+ }
+
+ active = 0;
+
+ for (i=0;i<socket_count;i++) {
+ int csc;
+ if (sockets[i].card_state==0) /* Inactive socket, should not happen */
+ continue;
+
+ csc = indirect_read(i,I365_CSC); /* card status change register */
+
+ if (csc==0) /* no events on this socket */
+ continue;
+ handled = 1;
+ events = 0;
+
+ if (csc & I365_CSC_DETECT) {
+ events |= SS_DETECT;
+ printk("Card detected in socket %i!\n",i);
+ }
+
+ if (indirect_read(i,I365_INTCTL) & I365_PC_IOCARD) {
+ /* For IO/CARDS, bit 0 means "read the card" */
+ events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
+ } else {
+ /* Check for battery/ready events */
+ events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
+ events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
+ events |= (csc & I365_CSC_READY) ? SS_READY : 0;
+ }
+
+ if (events) {
+ pcmcia_parse_events(&sockets[i].socket, events);
+ }
+ active |= events;
+ }
+
+ if (active==0) /* no more events to handle */
+ break;
+
+ }
+ return IRQ_RETVAL(handled);
+/* leave("i82092aa_interrupt");*/
+}
+
+
+
+/* socket functions */
+
+static int card_present(int socketno)
+{
+ unsigned int val;
+ enter("card_present");
+
+ if ((socketno<0) || (socketno >= MAX_SOCKETS))
+ return 0;
+ if (sockets[socketno].io_base == 0)
+ return 0;
+
+
+ val = indirect_read(socketno, 1); /* Interface status register */
+ if ((val&12)==12) {
+ leave("card_present 1");
+ return 1;
+ }
+
+ leave("card_present 0");
+ return 0;
+}
+
+static void set_bridge_state(int sock)
+{
+ enter("set_bridge_state");
+ indirect_write(sock, I365_GBLCTL,0x00);
+ indirect_write(sock, I365_GENCTL,0x00);
+
+ indirect_setbit(sock, I365_INTCTL,0x08);
+ leave("set_bridge_state");
+}
+
+
+
+
+
+
+static int i82092aa_init(struct pcmcia_socket *sock)
+{
+ int i;
+ struct resource res = { .start = 0, .end = 0x0fff };
+ pccard_io_map io = { 0, 0, 0, 0, 1 };
+ pccard_mem_map mem = { .res = &res, };
+
+ enter("i82092aa_init");
+
+ for (i = 0; i < 2; i++) {
+ io.map = i;
+ i82092aa_set_io_map(sock, &io);
+ }
+ for (i = 0; i < 5; i++) {
+ mem.map = i;
+ i82092aa_set_mem_map(sock, &mem);
+ }
+
+ leave("i82092aa_init");
+ return 0;
+}
+
+static int i82092aa_get_status(struct pcmcia_socket *socket, u_int *value)
+{
+ unsigned int sock = container_of(socket, struct socket_info, socket)->number;
+ unsigned int status;
+
+ enter("i82092aa_get_status");
+
+ status = indirect_read(sock,I365_STATUS); /* Interface Status Register */
+ *value = 0;
+
+ if ((status & I365_CS_DETECT) == I365_CS_DETECT) {
+ *value |= SS_DETECT;
+ }
+
+ /* IO cards have a different meaning of bits 0,1 */
+ /* Also notice the inverse-logic on the bits */
+ if (indirect_read(sock, I365_INTCTL) & I365_PC_IOCARD) {
+ /* IO card */
+ if (!(status & I365_CS_STSCHG))
+ *value |= SS_STSCHG;
+ } else { /* non I/O card */
+ if (!(status & I365_CS_BVD1))
+ *value |= SS_BATDEAD;
+ if (!(status & I365_CS_BVD2))
+ *value |= SS_BATWARN;
+
+ }
+
+ if (status & I365_CS_WRPROT)
+ (*value) |= SS_WRPROT; /* card is write protected */
+
+ if (status & I365_CS_READY)
+ (*value) |= SS_READY; /* card is not busy */
+
+ if (status & I365_CS_POWERON)
+ (*value) |= SS_POWERON; /* power is applied to the card */
+
+
+ leave("i82092aa_get_status");
+ return 0;
+}
+
+
+static int i82092aa_get_socket(struct pcmcia_socket *socket, socket_state_t *state)
+{
+ unsigned int sock = container_of(socket, struct socket_info, socket)->number;
+ unsigned char reg,vcc,vpp;
+
+ enter("i82092aa_get_socket");
+ state->flags = 0;
+ state->Vcc = 0;
+ state->Vpp = 0;
+ state->io_irq = 0;
+ state->csc_mask = 0;
+
+ /* First the power status of the socket */
+ reg = indirect_read(sock,I365_POWER); /* PCTRL - Power Control Register */
+
+ if (reg & I365_PWR_AUTO)
+ state->flags |= SS_PWR_AUTO; /* Automatic Power Switch */
+
+ if (reg & I365_PWR_OUT)
+ state->flags |= SS_OUTPUT_ENA; /* Output signals are enabled */
+
+ vcc = reg & I365_VCC_MASK; vpp = reg & I365_VPP1_MASK;
+
+ if (reg & I365_VCC_5V) { /* Can still be 3.3V, in this case the Vcc value will be overwritten later */
+ state->Vcc = 50;
+
+ if (vpp == I365_VPP1_5V)
+ state->Vpp = 50;
+ if (vpp == I365_VPP1_12V)
+ state->Vpp = 120;
+
+ }
+
+ if ((reg & I365_VCC_3V)==I365_VCC_3V)
+ state->Vcc = 33;
+
+
+ /* Now the IO card, RESET flags and IO interrupt */
+
+ reg = indirect_read(sock, I365_INTCTL); /* IGENC, Interrupt and General Control */
+
+ if ((reg & I365_PC_RESET)==0)
+ state->flags |= SS_RESET;
+ if (reg & I365_PC_IOCARD)
+ state->flags |= SS_IOCARD; /* This is an IO card */
+
+ /* Set the IRQ number */
+ if (sockets[sock].dev!=NULL)
+ state->io_irq = sockets[sock].dev->irq;
+
+ /* Card status change */
+ reg = indirect_read(sock, I365_CSCINT); /* CSCICR, Card Status Change Interrupt Configuration */
+
+ if (reg & I365_CSC_DETECT)
+ state->csc_mask |= SS_DETECT; /* Card detect is enabled */
+
+ if (state->flags & SS_IOCARD) {/* IO Cards behave different */
+ if (reg & I365_CSC_STSCHG)
+ state->csc_mask |= SS_STSCHG;
+ } else {
+ if (reg & I365_CSC_BVD1)
+ state->csc_mask |= SS_BATDEAD;
+ if (reg & I365_CSC_BVD2)
+ state->csc_mask |= SS_BATWARN;
+ if (reg & I365_CSC_READY)
+ state->csc_mask |= SS_READY;
+ }
+
+ leave("i82092aa_get_socket");
+ return 0;
+}
+
+static int i82092aa_set_socket(struct pcmcia_socket *socket, socket_state_t *state)
+{
+ unsigned int sock = container_of(socket, struct socket_info, socket)->number;
+ unsigned char reg;
+
+ enter("i82092aa_set_socket");
+
+ /* First, set the global controller options */
+
+ set_bridge_state(sock);
+
+ /* Values for the IGENC register */
+
+ reg = 0;
+ if (!(state->flags & SS_RESET)) /* The reset bit has "inverse" logic */
+ reg = reg | I365_PC_RESET;
+ if (state->flags & SS_IOCARD)
+ reg = reg | I365_PC_IOCARD;
+
+ indirect_write(sock,I365_INTCTL,reg); /* IGENC, Interrupt and General Control Register */
+
+ /* Power registers */
+
+ reg = I365_PWR_NORESET; /* default: disable resetdrv on resume */
+
+ if (state->flags & SS_PWR_AUTO) {
+ printk("Auto power\n");
+ reg |= I365_PWR_AUTO; /* automatic power mngmnt */
+ }
+ if (state->flags & SS_OUTPUT_ENA) {
+ printk("Power Enabled \n");
+ reg |= I365_PWR_OUT; /* enable power */
+ }
+
+ switch (state->Vcc) {
+ case 0:
+ break;
+ case 50:
+ printk("setting voltage to Vcc to 5V on socket %i\n",sock);
+ reg |= I365_VCC_5V;
+ break;
+ default:
+ printk("i82092aa: i82092aa_set_socket called with invalid VCC power value: %i ", state->Vcc);
+ leave("i82092aa_set_socket");
+ return -EINVAL;
+ }
+
+
+ switch (state->Vpp) {
+ case 0:
+ printk("not setting Vpp on socket %i\n",sock);
+ break;
+ case 50:
+ printk("setting Vpp to 5.0 for socket %i\n",sock);
+ reg |= I365_VPP1_5V | I365_VPP2_5V;
+ break;
+ case 120:
+ printk("setting Vpp to 12.0\n");
+ reg |= I365_VPP1_12V | I365_VPP2_12V;
+ break;
+ default:
+ printk("i82092aa: i82092aa_set_socket called with invalid VPP power value: %i ", state->Vcc);
+ leave("i82092aa_set_socket");
+ return -EINVAL;
+ }
+
+ if (reg != indirect_read(sock,I365_POWER)) /* only write if changed */
+ indirect_write(sock,I365_POWER,reg);
+
+ /* Enable specific interrupt events */
+
+ reg = 0x00;
+ 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;
+ } 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;
+
+ }
+
+ /* now write the value and clear the (probably bogus) pending stuff by doing a dummy read*/
+
+ indirect_write(sock,I365_CSCINT,reg);
+ (void)indirect_read(sock,I365_CSC);
+
+ leave("i82092aa_set_socket");
+ return 0;
+}
+
+static int i82092aa_set_io_map(struct pcmcia_socket *socket, struct pccard_io_map *io)
+{
+ unsigned int sock = container_of(socket, struct socket_info, socket)->number;
+ unsigned char map, ioctl;
+
+ enter("i82092aa_set_io_map");
+
+ map = io->map;
+
+ /* Check error conditions */
+ if (map > 1) {
+ leave("i82092aa_set_io_map with invalid map");
+ return -EINVAL;
+ }
+ if ((io->start > 0xffff) || (io->stop > 0xffff) || (io->stop < io->start)){
+ leave("i82092aa_set_io_map with invalid io");
+ return -EINVAL;
+ }
+
+ /* Turn off the window before changing anything */
+ if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_IO(map))
+ indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_IO(map));
+
+/* printk("set_io_map: Setting range to %x - %x \n",io->start,io->stop); */
+
+ /* write the new values */
+ indirect_write16(sock,I365_IO(map)+I365_W_START,io->start);
+ indirect_write16(sock,I365_IO(map)+I365_W_STOP,io->stop);
+
+ ioctl = indirect_read(sock,I365_IOCTL) & ~I365_IOCTL_MASK(map);
+
+ if (io->flags & (MAP_16BIT|MAP_AUTOSZ))
+ ioctl |= I365_IOCTL_16BIT(map);
+
+ indirect_write(sock,I365_IOCTL,ioctl);
+
+ /* Turn the window back on if needed */
+ if (io->flags & MAP_ACTIVE)
+ indirect_setbit(sock,I365_ADDRWIN,I365_ENA_IO(map));
+
+ leave("i82092aa_set_io_map");
+ return 0;
+}
+
+static int i82092aa_set_mem_map(struct pcmcia_socket *socket, struct pccard_mem_map *mem)
+{
+ struct socket_info *sock_info = container_of(socket, struct socket_info, socket);
+ unsigned int sock = sock_info->number;
+ struct pci_bus_region region;
+ unsigned short base, i;
+ unsigned char map;
+
+ enter("i82092aa_set_mem_map");
+
+ pcibios_resource_to_bus(sock_info->dev, &region, mem->res);
+
+ map = mem->map;
+ if (map > 4) {
+ leave("i82092aa_set_mem_map: invalid map");
+ return -EINVAL;
+ }
+
+
+ if ( (mem->card_start > 0x3ffffff) || (region.start > region.end) ||
+ (mem->speed > 1000) ) {
+ leave("i82092aa_set_mem_map: invalid address / speed");
+ printk("invalid mem map for socket %i : %lx to %lx with a start of %x \n",sock,region.start, region.end, mem->card_start);
+ return -EINVAL;
+ }
+
+ /* Turn off the window before changing anything */
+ if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
+ indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
+
+
+/* printk("set_mem_map: Setting map %i range to %x - %x on socket %i, speed is %i, active = %i \n",map, region.start,region.end,sock,mem->speed,mem->flags & MAP_ACTIVE); */
+
+ /* write the start address */
+ base = I365_MEM(map);
+ i = (region.start >> 12) & 0x0fff;
+ if (mem->flags & MAP_16BIT)
+ i |= I365_MEM_16BIT;
+ if (mem->flags & MAP_0WS)
+ i |= I365_MEM_0WS;
+ indirect_write16(sock,base+I365_W_START,i);
+
+ /* write the stop address */
+
+ i= (region.end >> 12) & 0x0fff;
+ switch (to_cycles(mem->speed)) {
+ case 0:
+ break;
+ case 1:
+ i |= I365_MEM_WS0;
+ break;
+ case 2:
+ i |= I365_MEM_WS1;
+ break;
+ default:
+ i |= I365_MEM_WS1 | I365_MEM_WS0;
+ break;
+ }
+
+ indirect_write16(sock,base+I365_W_STOP,i);
+
+ /* card start */
+
+ i = ((mem->card_start - region.start) >> 12) & 0x3fff;
+ if (mem->flags & MAP_WRPROT)
+ i |= I365_MEM_WRPROT;
+ if (mem->flags & MAP_ATTRIB) {
+/* printk("requesting attribute memory for socket %i\n",sock);*/
+ i |= I365_MEM_REG;
+ } else {
+/* printk("requesting normal memory for socket %i\n",sock);*/
+ }
+ indirect_write16(sock,base+I365_W_OFF,i);
+
+ /* Enable the window if necessary */
+ if (mem->flags & MAP_ACTIVE)
+ indirect_setbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
+
+ leave("i82092aa_set_mem_map");
+ return 0;
+}
+
+static int i82092aa_module_init(void)
+{
+ enter("i82092aa_module_init");
+ pci_register_driver(&i82092aa_pci_drv);
+ leave("i82092aa_module_init");
+ return 0;
+}
+
+static void i82092aa_module_exit(void)
+{
+ enter("i82092aa_module_exit");
+ pci_unregister_driver(&i82092aa_pci_drv);
+ if (sockets[0].io_base>0)
+ release_region(sockets[0].io_base, 2);
+ leave("i82092aa_module_exit");
+}
+
+module_init(i82092aa_module_init);
+module_exit(i82092aa_module_exit);
+
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-30 02:35:38 +0000