--- /dev/null
+/*
+ * drivers/pcmcia/m32r_cfc.c
+ *
+ * Device driver for the CFC functionality of M32R.
+ *
+ * Copyright (c) 2001, 2002, 2003, 2004
+ * Hiroyuki Kondo, Naoto Sugai, Hayato Fujiwara
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/config.h>
+#include <linux/types.h>
+#include <linux/fcntl.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/timer.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/ioport.h>
+#include <linux/delay.h>
+#include <linux/workqueue.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/bitops.h>
+#include <asm/system.h>
+
+#include <pcmcia/version.h>
+#include <pcmcia/cs_types.h>
+#include <pcmcia/ss.h>
+#include <pcmcia/cs.h>
+
+#undef MAX_IO_WIN /* FIXME */
+#define MAX_IO_WIN 1
+#undef MAX_WIN /* FIXME */
+#define MAX_WIN 1
+
+#include "m32r_cfc.h"
+
+#ifdef DEBUG
+static int m32r_cfc_debug;
+module_param(m32r_cfc_debug, int, 0644);
+#define debug(lvl, fmt, arg...) do { \
+ if (m32r_cfc_debug > (lvl)) \
+ printk(KERN_DEBUG "m32r_cfc: " fmt , ## arg); \
+} while (0)
+#else
+#define debug(n, args...) do { } while (0)
+#endif
+
+/* Poll status interval -- 0 means default to interrupt */
+static int poll_interval = 0;
+
+typedef enum pcc_space { as_none = 0, as_comm, as_attr, as_io } pcc_as_t;
+
+typedef struct pcc_socket {
+ u_short type, flags;
+ struct pcmcia_socket socket;
+ unsigned int number;
+ ioaddr_t ioaddr;
+ u_long mapaddr;
+ u_long base; /* PCC register base */
+ u_char cs_irq1, cs_irq2, intr;
+ pccard_io_map io_map[MAX_IO_WIN];
+ pccard_mem_map mem_map[MAX_WIN];
+ u_char io_win;
+ u_char mem_win;
+ pcc_as_t current_space;
+ u_char last_iodbex;
+#ifdef CONFIG_PROC_FS
+ struct proc_dir_entry *proc;
+#endif
+} pcc_socket_t;
+
+static int pcc_sockets = 0;
+static pcc_socket_t socket[M32R_MAX_PCC] = {
+ { 0, }, /* ... */
+};
+
+/*====================================================================*/
+
+static unsigned int pcc_get(u_short, unsigned int);
+static void pcc_set(u_short, unsigned int , unsigned int );
+
+static spinlock_t pcc_lock = SPIN_LOCK_UNLOCKED;
+
+#if !defined(CONFIG_PLAT_USRV)
+static inline u_long pcc_port2addr(unsigned long port, int size) {
+ u_long addr = 0;
+ u_long odd;
+
+ if (size == 1) { /* byte access */
+ odd = (port&1) << 11;
+ port -= port & 1;
+ addr = CFC_IO_MAPBASE_BYTE - CFC_IOPORT_BASE + odd + port;
+ } else if (size == 2)
+ addr = CFC_IO_MAPBASE_WORD - CFC_IOPORT_BASE + port;
+
+ return addr;
+}
+#else /* CONFIG_PLAT_USRV */
+static inline u_long pcc_port2addr(unsigned long port, int size) {
+ u_long odd;
+ u_long addr = ((port - CFC_IOPORT_BASE) & 0xf000) << 8;
+
+ if (size == 1) { /* byte access */
+ odd = port & 1;
+ port -= odd;
+ odd <<= 11;
+ addr = (addr | CFC_IO_MAPBASE_BYTE) + odd + (port & 0xfff);
+ } else if (size == 2) /* word access */
+ addr = (addr | CFC_IO_MAPBASE_WORD) + (port & 0xfff);
+
+ return addr;
+}
+#endif /* CONFIG_PLAT_USRV */
+
+void pcc_ioread_byte(int sock, unsigned long port, void *buf, size_t size,
+ size_t nmemb, int flag)
+{
+ u_long addr;
+ unsigned char *bp = (unsigned char *)buf;
+ unsigned long flags;
+
+ debug(3, "m32r_cfc: pcc_ioread_byte: sock=%d, port=%#lx, buf=%p, "
+ "size=%u, nmemb=%d, flag=%d\n",
+ sock, port, buf, size, nmemb, flag);
+
+ addr = pcc_port2addr(port, 1);
+ if (!addr) {
+ printk("m32r_cfc:ioread_byte null port :%#lx\n",port);
+ return;
+ }
+ debug(3, "m32r_cfc: pcc_ioread_byte: addr=%#lx\n", addr);
+
+ spin_lock_irqsave(&pcc_lock, flags);
+ /* read Byte */
+ while (nmemb--)
+ *bp++ = readb(addr);
+ spin_unlock_irqrestore(&pcc_lock, flags);
+}
+
+void pcc_ioread_word(int sock, unsigned long port, void *buf, size_t size,
+ size_t nmemb, int flag)
+{
+ u_long addr;
+ unsigned short *bp = (unsigned short *)buf;
+ unsigned long flags;
+
+ debug(3, "m32r_cfc: pcc_ioread_word: sock=%d, port=%#lx, "
+ "buf=%p, size=%u, nmemb=%d, flag=%d\n",
+ sock, port, buf, size, nmemb, flag);
+
+ if (size != 2)
+ printk("m32r_cfc: ioread_word :illigal size %u : %#lx\n", size,
+ port);
+ if (size == 9)
+ printk("m32r_cfc: ioread_word :insw \n");
+
+ addr = pcc_port2addr(port, 2);
+ if (!addr) {
+ printk("m32r_cfc:ioread_word null port :%#lx\n",port);
+ return;
+ }
+ debug(3, "m32r_cfc: pcc_ioread_word: addr=%#lx\n", addr);
+
+ spin_lock_irqsave(&pcc_lock, flags);
+ /* read Word */
+ while (nmemb--)
+ *bp++ = readw(addr);
+ spin_unlock_irqrestore(&pcc_lock, flags);
+}
+
+void pcc_iowrite_byte(int sock, unsigned long port, void *buf, size_t size,
+ size_t nmemb, int flag)
+{
+ u_long addr;
+ unsigned char *bp = (unsigned char *)buf;
+ unsigned long flags;
+
+ debug(3, "m32r_cfc: pcc_iowrite_byte: sock=%d, port=%#lx, "
+ "buf=%p, size=%u, nmemb=%d, flag=%d\n",
+ sock, port, buf, size, nmemb, flag);
+
+ /* write Byte */
+ addr = pcc_port2addr(port, 1);
+ if (!addr) {
+ printk("m32r_cfc:iowrite_byte null port:%#lx\n",port);
+ return;
+ }
+ debug(3, "m32r_cfc: pcc_iowrite_byte: addr=%#lx\n", addr);
+
+ spin_lock_irqsave(&pcc_lock, flags);
+ while (nmemb--)
+ writeb(*bp++, addr);
+ spin_unlock_irqrestore(&pcc_lock, flags);
+}
+
+void pcc_iowrite_word(int sock, unsigned long port, void *buf, size_t size,
+ size_t nmemb, int flag)
+{
+ u_long addr;
+ unsigned short *bp = (unsigned short *)buf;
+ unsigned long flags;
+
+ debug(3, "m32r_cfc: pcc_iowrite_word: sock=%d, port=%#lx, "
+ "buf=%p, size=%u, nmemb=%d, flag=%d\n",
+ sock, port, buf, size, nmemb, flag);
+
+ if(size != 2)
+ printk("m32r_cfc: iowrite_word :illigal size %u : %#lx\n",
+ size, port);
+ if(size == 9)
+ printk("m32r_cfc: iowrite_word :outsw \n");
+
+ addr = pcc_port2addr(port, 2);
+ if (!addr) {
+ printk("m32r_cfc:iowrite_word null addr :%#lx\n",port);
+ return;
+ }
+#if 1
+ if (addr & 1) {
+ printk("m32r_cfc:iowrite_word port addr (%#lx):%#lx\n", port,
+ addr);
+ return;
+ }
+#endif
+ debug(3, "m32r_cfc: pcc_iowrite_word: addr=%#lx\n", addr);
+
+ spin_lock_irqsave(&pcc_lock, flags);
+ while (nmemb--)
+ writew(*bp++, addr);
+ spin_unlock_irqrestore(&pcc_lock, flags);
+}
+
+/*====================================================================*/
+
+#define IS_ALIVE 0x8000
+
+typedef struct pcc_t {
+ char *name;
+ u_short flags;
+} pcc_t;
+
+static pcc_t pcc[] = {
+#if !defined(CONFIG_PLAT_USRV)
+ { "m32r_cfc", 0 }, { "", 0 },
+#else /* CONFIG_PLAT_USRV */
+ { "m32r_cfc", 0 }, { "m32r_cfc", 0 }, { "m32r_cfc", 0 },
+ { "m32r_cfc", 0 }, { "m32r_cfc", 0 }, { "", 0 },
+#endif /* CONFIG_PLAT_USRV */
+};
+
+static irqreturn_t pcc_interrupt(int, void *, struct pt_regs *);
+
+/*====================================================================*/
+
+static struct timer_list poll_timer;
+
+static unsigned int pcc_get(u_short sock, unsigned int reg)
+{
+ unsigned int val = inw(reg);
+ debug(3, "m32r_cfc: pcc_get: reg(0x%08x)=0x%04x\n", reg, val);
+ return val;
+}
+
+
+static void pcc_set(u_short sock, unsigned int reg, unsigned int data)
+{
+ outw(data, reg);
+ debug(3, "m32r_cfc: pcc_set: reg(0x%08x)=0x%04x\n", reg, data);
+}
+
+/*======================================================================
+
+ See if a card is present, powered up, in IO mode, and already
+ bound to a (non PC Card) Linux driver. We leave these alone.
+
+ We make an exception for cards that seem to be serial devices.
+
+======================================================================*/
+
+static int __init is_alive(u_short sock)
+{
+ unsigned int stat;
+
+ debug(3, "m32r_cfc: is_alive:\n");
+
+ printk("CF: ");
+ stat = pcc_get(sock, (unsigned int)PLD_CFSTS);
+ if (!stat)
+ printk("No ");
+ printk("Card is detected at socket %d : stat = 0x%08x\n", sock, stat);
+ debug(3, "m32r_cfc: is_alive: sock stat is 0x%04x\n", stat);
+
+ return 0;
+}
+
+static void add_pcc_socket(ulong base, int irq, ulong mapaddr, ioaddr_t ioaddr)
+{
+ pcc_socket_t *t = &socket[pcc_sockets];
+
+ debug(3, "m32r_cfc: add_pcc_socket: base=%#lx, irq=%d, "
+ "mapaddr=%#lx, ioaddr=%08x\n",
+ base, irq, mapaddr, ioaddr);
+
+ /* add sockets */
+ t->ioaddr = ioaddr;
+ t->mapaddr = mapaddr;
+#if !defined(CONFIG_PLAT_USRV)
+ t->base = 0;
+ t->flags = 0;
+ t->cs_irq1 = irq; // insert irq
+ t->cs_irq2 = irq + 1; // eject irq
+#else /* CONFIG_PLAT_USRV */
+ t->base = base;
+ t->flags = 0;
+ t->cs_irq1 = 0; // insert irq
+ t->cs_irq2 = 0; // eject irq
+#endif /* CONFIG_PLAT_USRV */
+
+ if (is_alive(pcc_sockets))
+ t->flags |= IS_ALIVE;
+
+ /* add pcc */
+#if !defined(CONFIG_PLAT_USRV)
+ request_region((unsigned int)PLD_CFRSTCR, 0x20, "m32r_cfc");
+#else /* CONFIG_PLAT_USRV */
+ {
+ unsigned int reg_base;
+
+ reg_base = (unsigned int)PLD_CFRSTCR;
+ reg_base |= pcc_sockets << 8;
+ request_region(reg_base, 0x20, "m32r_cfc");
+ }
+#endif /* CONFIG_PLAT_USRV */
+ printk(KERN_INFO " %s ", pcc[pcc_sockets].name);
+ printk("pcc at 0x%08lx\n", t->base);
+
+ /* Update socket interrupt information, capabilities */
+ t->socket.features |= (SS_CAP_PCCARD | SS_CAP_STATIC_MAP);
+ t->socket.map_size = M32R_PCC_MAPSIZE;
+ t->socket.io_offset = ioaddr; /* use for io access offset */
+ t->socket.irq_mask = 0;
+#if !defined(CONFIG_PLAT_USRV)
+ t->socket.pci_irq = PLD_IRQ_CFIREQ ; /* card interrupt */
+#else /* CONFIG_PLAT_USRV */
+ t->socket.pci_irq = PLD_IRQ_CF0 + pcc_sockets;
+#endif /* CONFIG_PLAT_USRV */
+
+#ifndef CONFIG_PLAT_USRV
+ /* insert interrupt */
+ request_irq(irq, pcc_interrupt, 0, "m32r_cfc", pcc_interrupt);
+ /* eject interrupt */
+ request_irq(irq+1, pcc_interrupt, 0, "m32r_cfc", pcc_interrupt);
+
+ debug(3, "m32r_cfc: enable CFMSK, RDYSEL\n");
+ pcc_set(pcc_sockets, (unsigned int)PLD_CFIMASK, 0x01);
+#endif /* CONFIG_PLAT_USRV */
+#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT)
+ pcc_set(pcc_sockets, (unsigned int)PLD_CFCR1, 0x0200);
+#endif
+ pcc_sockets++;
+
+ return;
+}
+
+
+/*====================================================================*/
+
+static irqreturn_t pcc_interrupt(int irq, void *dev, struct pt_regs *regs)
+{
+ int i;
+ u_int events = 0;
+ int handled = 0;
+
+ debug(3, "m32r_cfc: pcc_interrupt: irq=%d, dev=%p, regs=%p\n",
+ irq, dev, regs);
+ for (i = 0; i < pcc_sockets; i++) {
+ if (socket[i].cs_irq1 != irq && socket[i].cs_irq2 != irq)
+ continue;
+
+ handled = 1;
+ debug(3, "m32r_cfc: pcc_interrupt: socket %d irq 0x%02x ",
+ i, irq);
+ events |= SS_DETECT; /* insert or eject */
+ if (events)
+ pcmcia_parse_events(&socket[i].socket, events);
+ }
+ debug(3, "m32r_cfc: pcc_interrupt: done\n");
+
+ return IRQ_RETVAL(handled);
+} /* pcc_interrupt */
+
+static void pcc_interrupt_wrapper(u_long data)
+{
+ debug(3, "m32r_cfc: pcc_interrupt_wrapper:\n");
+ pcc_interrupt(0, NULL, NULL);
+ init_timer(&poll_timer);
+ poll_timer.expires = jiffies + poll_interval;
+ add_timer(&poll_timer);
+}
+
+/*====================================================================*/
+
+static int _pcc_get_status(u_short sock, u_int *value)
+{
+ u_int status;
+
+ debug(3, "m32r_cfc: _pcc_get_status:\n");
+ status = pcc_get(sock, (unsigned int)PLD_CFSTS);
+ *value = (status) ? SS_DETECT : 0;
+ debug(3, "m32r_cfc: _pcc_get_status: status=0x%08x\n", status);
+
+#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT)
+ if ( status ) {
+ /* enable CF power */
+ status = inw((unsigned int)PLD_CPCR);
+ if (!(status & PLD_CPCR_CF)) {
+ debug(3, "m32r_cfc: _pcc_get_status: "
+ "power on (CPCR=0x%08x)\n", status);
+ status |= PLD_CPCR_CF;
+ outw(status, (unsigned int)PLD_CPCR);
+ udelay(100);
+ }
+ *value |= SS_POWERON;
+
+ pcc_set(sock, (unsigned int)PLD_CFBUFCR,0);/* enable buffer */
+ udelay(100);
+
+ *value |= SS_READY; /* always ready */
+ *value |= SS_3VCARD;
+ } else {
+ /* disable CF power */
+ status = inw((unsigned int)PLD_CPCR);
+ status &= ~PLD_CPCR_CF;
+ outw(status, (unsigned int)PLD_CPCR);
+ udelay(100);
+ debug(3, "m32r_cfc: _pcc_get_status: "
+ "power off (CPCR=0x%08x)\n", status);
+ }
+#elif defined(CONFIG_PLAT_MAPPI2)
+ if ( status ) {
+ status = pcc_get(sock, (unsigned int)PLD_CPCR);
+ if (status == 0) { /* power off */
+ pcc_set(sock, (unsigned int)PLD_CPCR, 1);
+ pcc_set(sock, (unsigned int)PLD_CFBUFCR,0); /* force buffer off for ZA-36 */
+ udelay(50);
+ }
+ status = pcc_get(sock, (unsigned int)PLD_CFBUFCR);
+ if (status != 0) { /* buffer off */
+ pcc_set(sock, (unsigned int)PLD_CFBUFCR,0);
+ udelay(50);
+ pcc_set(sock, (unsigned int)PLD_CFRSTCR, 0x0101);
+ udelay(25); /* for IDE reset */
+ pcc_set(sock, (unsigned int)PLD_CFRSTCR, 0x0100);
+ mdelay(2); /* for IDE reset */
+ } else {
+ *value |= SS_POWERON;
+ *value |= SS_READY;
+ }
+ }
+#else
+#error no platform configuration
+#endif
+ debug(3, "m32r_cfc: _pcc_get_status: GetStatus(%d) = %#4.4x\n",
+ sock, *value);
+ return 0;
+} /* _get_status */
+
+/*====================================================================*/
+
+static int _pcc_get_socket(u_short sock, socket_state_t *state)
+{
+// pcc_socket_t *t = &socket[sock];
+
+#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT)
+ state->flags = 0;
+ state->csc_mask = SS_DETECT;
+ state->csc_mask |= SS_READY;
+ state->io_irq = 0;
+ state->Vcc = 33; /* 3.3V fixed */
+ state->Vpp = 33;
+#endif
+ debug(3, "m32r_cfc: GetSocket(%d) = flags %#3.3x, Vcc %d, Vpp %d, "
+ "io_irq %d, csc_mask %#2.2x\n", sock, state->flags,
+ state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
+ return 0;
+} /* _get_socket */
+
+/*====================================================================*/
+
+static int _pcc_set_socket(u_short sock, socket_state_t *state)
+{
+#if defined(CONFIG_PLAT_MAPPI2)
+ u_long reg = 0;
+#endif
+ debug(3, "m32r_cfc: SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
+ "io_irq %d, csc_mask %#2.2x)\n", sock, state->flags,
+ state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
+
+#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT)
+ if (state->Vcc) {
+ if ((state->Vcc != 50) && (state->Vcc != 33))
+ return -EINVAL;
+ /* accept 5V and 3.3V */
+ }
+#elif defined(CONFIG_PLAT_MAPPI2)
+ if (state->Vcc) {
+ /*
+ * 5V only
+ */
+ if (state->Vcc == 50) {
+ reg |= PCCSIGCR_VEN;
+ } else {
+ return -EINVAL;
+ }
+ }
+#endif
+
+ if (state->flags & SS_RESET) {
+ debug(3, ":RESET\n");
+ pcc_set(sock,(unsigned int)PLD_CFRSTCR,0x101);
+ }else{
+ pcc_set(sock,(unsigned int)PLD_CFRSTCR,0x100);
+ }
+ if (state->flags & SS_OUTPUT_ENA){
+ debug(3, ":OUTPUT_ENA\n");
+ /* bit clear */
+ pcc_set(sock,(unsigned int)PLD_CFBUFCR,0);
+ } else {
+ pcc_set(sock,(unsigned int)PLD_CFBUFCR,1);
+ }
+
+#ifdef DEBUG
+ if(state->flags & SS_IOCARD){
+ debug(3, ":IOCARD");
+ }
+ if (state->flags & SS_PWR_AUTO) {
+ debug(3, ":PWR_AUTO");
+ }
+ if (state->csc_mask & SS_DETECT)
+ debug(3, ":csc-SS_DETECT");
+ if (state->flags & SS_IOCARD) {
+ if (state->csc_mask & SS_STSCHG)
+ debug(3, ":STSCHG");
+ } else {
+ if (state->csc_mask & SS_BATDEAD)
+ debug(3, ":BATDEAD");
+ if (state->csc_mask & SS_BATWARN)
+ debug(3, ":BATWARN");
+ if (state->csc_mask & SS_READY)
+ debug(3, ":READY");
+ }
+ debug(3, "\n");
+#endif
+ return 0;
+} /* _set_socket */
+
+/*====================================================================*/
+
+static int _pcc_set_io_map(u_short sock, struct pccard_io_map *io)
+{
+ u_char map;
+
+ debug(3, "m32r_cfc: SetIOMap(%d, %d, %#2.2x, %d ns, "
+ "%#4.4x-%#4.4x)\n", sock, io->map, io->flags,
+ io->speed, io->start, io->stop);
+ map = io->map;
+
+ return 0;
+} /* _set_io_map */
+
+/*====================================================================*/
+
+static int _pcc_set_mem_map(u_short sock, struct pccard_mem_map *mem)
+{
+
+ u_char map = mem->map;
+ u_long addr;
+ pcc_socket_t *t = &socket[sock];
+
+ debug(3, "m32r_cfc: SetMemMap(%d, %d, %#2.2x, %d ns, "
+ "%#5.5lx, %#5.5x)\n", sock, map, mem->flags,
+ mem->speed, mem->static_start, mem->card_start);
+
+ /*
+ * sanity check
+ */
+ if ((map > MAX_WIN) || (mem->card_start > 0x3ffffff)){
+ return -EINVAL;
+ }
+
+ /*
+ * de-activate
+ */
+ if ((mem->flags & MAP_ACTIVE) == 0) {
+ t->current_space = as_none;
+ return 0;
+ }
+
+ /*
+ * Set mode
+ */
+ if (mem->flags & MAP_ATTRIB) {
+ t->current_space = as_attr;
+ } else {
+ t->current_space = as_comm;
+ }
+
+ /*
+ * Set address
+ */
+ addr = t->mapaddr + (mem->card_start & M32R_PCC_MAPMASK);
+ mem->static_start = addr + mem->card_start;
+
+ return 0;
+
+} /* _set_mem_map */
+
+#if 0 /* driver model ordering issue */
+/*======================================================================
+
+ Routines for accessing socket information and register dumps via
+ /proc/bus/pccard/...
+
+======================================================================*/
+
+static ssize_t show_info(struct class_device *class_dev, char *buf)
+{
+ pcc_socket_t *s = container_of(class_dev, struct pcc_socket,
+ socket.dev);
+
+ return sprintf(buf, "type: %s\nbase addr: 0x%08lx\n",
+ pcc[s->type].name, s->base);
+}
+
+static ssize_t show_exca(struct class_device *class_dev, char *buf)
+{
+ /* FIXME */
+
+ return 0;
+}
+
+static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL);
+static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL);
+#endif
+
+/*====================================================================*/
+
+/* this is horribly ugly... proper locking needs to be done here at
+ * some time... */
+#define LOCKED(x) do { \
+ int retval; \
+ unsigned long flags; \
+ spin_lock_irqsave(&pcc_lock, flags); \
+ retval = x; \
+ spin_unlock_irqrestore(&pcc_lock, flags); \
+ return retval; \
+} while (0)
+
+
+static int pcc_get_status(struct pcmcia_socket *s, u_int *value)
+{
+ unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
+
+ if (socket[sock].flags & IS_ALIVE) {
+ debug(3, "m32r_cfc: pcc_get_status: sock(%d) -EINVAL\n", sock);
+ *value = 0;
+ return -EINVAL;
+ }
+ debug(3, "m32r_cfc: pcc_get_status: sock(%d)\n", sock);
+ LOCKED(_pcc_get_status(sock, value));
+}
+
+static int pcc_get_socket(struct pcmcia_socket *s, socket_state_t *state)
+{
+ unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
+
+ if (socket[sock].flags & IS_ALIVE) {
+ debug(3, "m32r_cfc: pcc_get_socket: sock(%d) -EINVAL\n", sock);
+ return -EINVAL;
+ }
+ debug(3, "m32r_cfc: pcc_get_socket: sock(%d)\n", sock);
+ LOCKED(_pcc_get_socket(sock, state));
+}
+
+static int pcc_set_socket(struct pcmcia_socket *s, socket_state_t *state)
+{
+ unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
+
+ if (socket[sock].flags & IS_ALIVE) {
+ debug(3, "m32r_cfc: pcc_set_socket: sock(%d) -EINVAL\n", sock);
+ return -EINVAL;
+ }
+ debug(3, "m32r_cfc: pcc_set_socket: sock(%d)\n", sock);
+ LOCKED(_pcc_set_socket(sock, state));
+}
+
+static int pcc_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
+{
+ unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
+
+ if (socket[sock].flags & IS_ALIVE) {
+ debug(3, "m32r_cfc: pcc_set_io_map: sock(%d) -EINVAL\n", sock);
+ return -EINVAL;
+ }
+ debug(3, "m32r_cfc: pcc_set_io_map: sock(%d)\n", sock);
+ LOCKED(_pcc_set_io_map(sock, io));
+}
+
+static int pcc_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem)
+{
+ unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
+
+ if (socket[sock].flags & IS_ALIVE) {
+ debug(3, "m32r_cfc: pcc_set_mem_map: sock(%d) -EINVAL\n", sock);
+ return -EINVAL;
+ }
+ debug(3, "m32r_cfc: pcc_set_mem_map: sock(%d)\n", sock);
+ LOCKED(_pcc_set_mem_map(sock, mem));
+}
+
+static int pcc_init(struct pcmcia_socket *s)
+{
+ debug(3, "m32r_cfc: pcc_init()\n");
+ return 0;
+}
+
+static int pcc_suspend(struct pcmcia_socket *sock)
+{
+ debug(3, "m32r_cfc: pcc_suspend()\n");
+ return pcc_set_socket(sock, &dead_socket);
+}
+
+static struct pccard_operations pcc_operations = {
+ .init = pcc_init,
+ .suspend = pcc_suspend,
+ .get_status = pcc_get_status,
+ .get_socket = pcc_get_socket,
+ .set_socket = pcc_set_socket,
+ .set_io_map = pcc_set_io_map,
+ .set_mem_map = pcc_set_mem_map,
+};
+
+/*====================================================================*/
+
+static int m32r_pcc_suspend(struct device *dev, u32 state, u32 level)
+{
+ int ret = 0;
+ if (level == SUSPEND_SAVE_STATE)
+ ret = pcmcia_socket_dev_suspend(dev, state);
+ return ret;
+}
+
+static int m32r_pcc_resume(struct device *dev, u32 level)
+{
+ int ret = 0;
+ if (level == RESUME_RESTORE_STATE)
+ ret = pcmcia_socket_dev_resume(dev);
+ return ret;
+}
+
+
+static struct device_driver pcc_driver = {
+ .name = "cfc",
+ .bus = &platform_bus_type,
+ .suspend = m32r_pcc_suspend,
+ .resume = m32r_pcc_resume,
+};
+
+static struct platform_device pcc_device = {
+ .name = "cfc",
+ .id = 0,
+};
+
+/*====================================================================*/
+
+static int __init init_m32r_pcc(void)
+{
+ int i, ret;
+
+ ret = driver_register(&pcc_driver);
+ if (ret)
+ return ret;
+
+ ret = platform_device_register(&pcc_device);
+ if (ret){
+ driver_unregister(&pcc_driver);
+ return ret;
+ }
+
+#if defined(CONFIG_PLAT_MAPPI2)
+ pcc_set(0, (unsigned int)PLD_CFCR0, 0x0f0f);
+ pcc_set(0, (unsigned int)PLD_CFCR1, 0x0200);
+#endif
+
+ pcc_sockets = 0;
+
+#if !defined(CONFIG_PLAT_USRV)
+ add_pcc_socket(M32R_PCC0_BASE, PLD_IRQ_CFC_INSERT, CFC_ATTR_MAPBASE,
+ CFC_IOPORT_BASE);
+#else /* CONFIG_PLAT_USRV */
+ {
+ ulong base, mapaddr;
+ ioaddr_t ioaddr;
+
+ for (i = 0 ; i < M32R_MAX_PCC ; i++) {
+ base = (ulong)PLD_CFRSTCR;
+ base = base | (i << 8);
+ ioaddr = (i + 1) << 12;
+ mapaddr = CFC_ATTR_MAPBASE | (i << 20);
+ add_pcc_socket(base, 0, mapaddr, ioaddr);
+ }
+ }
+#endif /* CONFIG_PLAT_USRV */
+
+ if (pcc_sockets == 0) {
+ printk("socket is not found.\n");
+ platform_device_unregister(&pcc_device);
+ driver_unregister(&pcc_driver);
+ return -ENODEV;
+ }
+
+ /* Set up interrupt handler(s) */
+
+ for (i = 0 ; i < pcc_sockets ; i++) {
+ socket[i].socket.dev.dev = &pcc_device.dev;
+ socket[i].socket.ops = &pcc_operations;
+ socket[i].socket.owner = THIS_MODULE;
+ socket[i].number = i;
+ ret = pcmcia_register_socket(&socket[i].socket);
+ if (ret && i--) {
+ for (; i>= 0; i--)
+ pcmcia_unregister_socket(&socket[i].socket);
+ break;
+ }
+#if 0 /* driver model ordering issue */
+ class_device_create_file(&socket[i].socket.dev,
+ &class_device_attr_info);
+ class_device_create_file(&socket[i].socket.dev,
+ &class_device_attr_exca);
+#endif
+ }
+
+ /* Finally, schedule a polling interrupt */
+ if (poll_interval != 0) {
+ poll_timer.function = pcc_interrupt_wrapper;
+ poll_timer.data = 0;
+ init_timer(&poll_timer);
+ poll_timer.expires = jiffies + poll_interval;
+ add_timer(&poll_timer);
+ }
+
+ return 0;
+} /* init_m32r_pcc */
+
+static void __exit exit_m32r_pcc(void)
+{
+ int i;
+
+ for (i = 0; i < pcc_sockets; i++)
+ pcmcia_unregister_socket(&socket[i].socket);
+
+ platform_device_unregister(&pcc_device);
+ if (poll_interval != 0)
+ del_timer_sync(&poll_timer);
+
+ driver_unregister(&pcc_driver);
+} /* exit_m32r_pcc */
+
+module_init(init_m32r_pcc);
+module_exit(exit_m32r_pcc);
+MODULE_LICENSE("Dual MPL/GPL");
+/*====================================================================*/
--- /dev/null
+/*
+ * drivers/pcmcia/m32r_pcc.c
+ *
+ * Device driver for the PCMCIA functionality of M32R.
+ *
+ * Copyright (c) 2001, 2002, 2003, 2004
+ * Hiroyuki Kondo, Naoto Sugai, Hayato Fujiwara
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/config.h>
+#include <linux/types.h>
+#include <linux/fcntl.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/timer.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/ioport.h>
+#include <linux/delay.h>
+#include <linux/workqueue.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/bitops.h>
+#include <asm/system.h>
+#include <asm/addrspace.h>
+
+#include <pcmcia/version.h>
+#include <pcmcia/cs_types.h>
+#include <pcmcia/ss.h>
+#include <pcmcia/cs.h>
+
+/* XXX: should be moved into asm/irq.h */
+#define PCC0_IRQ 24
+#define PCC1_IRQ 25
+
+#include "m32r_pcc.h"
+
+#define CHAOS_PCC_DEBUG
+#ifdef CHAOS_PCC_DEBUG
+ static volatile u_short dummy_readbuf;
+#endif
+
+#define PCC_DEBUG_DBEX
+
+#ifdef DEBUG
+static int m32r_pcc_debug;
+module_param(m32r_pcc_debug, int, 0644);
+#define debug(lvl, fmt, arg...) do { \
+ if (m32r_pcc_debug > (lvl)) \
+ printk(KERN_DEBUG "m32r_pcc: " fmt , ## arg); \
+} while (0)
+#else
+#define debug(n, args...) do { } while (0)
+#endif
+
+/* Poll status interval -- 0 means default to interrupt */
+static int poll_interval = 0;
+
+typedef enum pcc_space { as_none = 0, as_comm, as_attr, as_io } pcc_as_t;
+
+typedef struct pcc_socket {
+ u_short type, flags;
+ struct pcmcia_socket socket;
+ unsigned int number;
+ ioaddr_t ioaddr;
+ u_long mapaddr;
+ u_long base; /* PCC register base */
+ u_char cs_irq, intr;
+ pccard_io_map io_map[MAX_IO_WIN];
+ pccard_mem_map mem_map[MAX_WIN];
+ u_char io_win;
+ u_char mem_win;
+ pcc_as_t current_space;
+ u_char last_iodbex;
+#ifdef CHAOS_PCC_DEBUG
+ u_char last_iosize;
+#endif
+#ifdef CONFIG_PROC_FS
+ struct proc_dir_entry *proc;
+#endif
+} pcc_socket_t;
+
+static int pcc_sockets = 0;
+static pcc_socket_t socket[M32R_MAX_PCC] = {
+ { 0, }, /* ... */
+};
+
+/*====================================================================*/
+
+static unsigned int pcc_get(u_short, unsigned int);
+static void pcc_set(u_short, unsigned int , unsigned int );
+
+static spinlock_t pcc_lock = SPIN_LOCK_UNLOCKED;
+
+void pcc_iorw(int sock, unsigned long port, void *buf, size_t size, size_t nmemb, int wr, int flag)
+{
+ u_long addr;
+ u_long flags;
+ int need_ex;
+#ifdef PCC_DEBUG_DBEX
+ int _dbex;
+#endif
+ pcc_socket_t *t = &socket[sock];
+#ifdef CHAOS_PCC_DEBUG
+ int map_changed = 0;
+#endif
+
+ /* Need lock ? */
+ spin_lock_irqsave(&pcc_lock, flags);
+
+ /*
+ * Check if need dbex
+ */
+ need_ex = (size > 1 && flag == 0) ? PCMOD_DBEX : 0;
+#ifdef PCC_DEBUG_DBEX
+ _dbex = need_ex;
+ need_ex = 0;
+#endif
+
+ /*
+ * calculate access address
+ */
+ addr = t->mapaddr + port - t->ioaddr + KSEG1; /* XXX */
+
+ /*
+ * Check current mapping
+ */
+ if (t->current_space != as_io || t->last_iodbex != need_ex) {
+
+ u_long cbsz;
+
+ /*
+ * Disable first
+ */
+ pcc_set(sock, PCCR, 0);
+
+ /*
+ * Set mode and io address
+ */
+ cbsz = (t->flags & MAP_16BIT) ? 0 : PCMOD_CBSZ;
+ pcc_set(sock, PCMOD, PCMOD_AS_IO | cbsz | need_ex);
+ pcc_set(sock, PCADR, addr & 0x1ff00000);
+
+ /*
+ * Enable and read it
+ */
+ pcc_set(sock, PCCR, 1);
+
+#ifdef CHAOS_PCC_DEBUG
+#if 0
+ map_changed = (t->current_space == as_attr && size == 2); /* XXX */
+#else
+ map_changed = 1;
+#endif
+#endif
+ t->current_space = as_io;
+ }
+
+ /*
+ * access to IO space
+ */
+ if (size == 1) {
+ /* Byte */
+ unsigned char *bp = (unsigned char *)buf;
+
+#ifdef CHAOS_DEBUG
+ if (map_changed) {
+ dummy_readbuf = readb(addr);
+ }
+#endif
+ if (wr) {
+ /* write Byte */
+ while (nmemb--) {
+ writeb(*bp++, addr);
+ }
+ } else {
+ /* read Byte */
+ while (nmemb--) {
+ *bp++ = readb(addr);
+ }
+ }
+ } else {
+ /* Word */
+ unsigned short *bp = (unsigned short *)buf;
+
+#ifdef CHAOS_PCC_DEBUG
+ if (map_changed) {
+ dummy_readbuf = readw(addr);
+ }
+#endif
+ if (wr) {
+ /* write Word */
+ while (nmemb--) {
+#ifdef PCC_DEBUG_DBEX
+ if (_dbex) {
+ unsigned char *cp = (unsigned char *)bp;
+ unsigned short tmp;
+ tmp = cp[1] << 8 | cp[0];
+ writew(tmp, addr);
+ bp++;
+ } else
+#endif
+ writew(*bp++, addr);
+ }
+ } else {
+ /* read Word */
+ while (nmemb--) {
+#ifdef PCC_DEBUG_DBEX
+ if (_dbex) {
+ unsigned char *cp = (unsigned char *)bp;
+ unsigned short tmp;
+ tmp = readw(addr);
+ cp[0] = tmp & 0xff;
+ cp[1] = (tmp >> 8) & 0xff;
+ bp++;
+ } else
+#endif
+ *bp++ = readw(addr);
+ }
+ }
+ }
+
+#if 1
+ /* addr is no longer used */
+ if ((addr = pcc_get(sock, PCIRC)) & PCIRC_BWERR) {
+ printk("m32r_pcc: BWERR detected : port 0x%04lx : iosize %dbit\n",
+ port, size * 8);
+ pcc_set(sock, PCIRC, addr);
+ }
+#endif
+ /*
+ * save state
+ */
+ t->last_iosize = size;
+ t->last_iodbex = need_ex;
+
+ /* Need lock ? */
+
+ spin_unlock_irqrestore(&pcc_lock,flags);
+
+ return;
+}
+
+void pcc_ioread(int sock, unsigned long port, void *buf, size_t size, size_t nmemb, int flag) {
+ pcc_iorw(sock, port, buf, size, nmemb, 0, flag);
+}
+
+void pcc_iowrite(int sock, unsigned long port, void *buf, size_t size, size_t nmemb, int flag) {
+ pcc_iorw(sock, port, buf, size, nmemb, 1, flag);
+}
+
+/*====================================================================*/
+
+#define IS_ALIVE 0x8000
+
+typedef struct pcc_t {
+ char *name;
+ u_short flags;
+} pcc_t;
+
+static pcc_t pcc[] = {
+ { "xnux2", 0 }, { "xnux2", 0 },
+};
+
+static irqreturn_t pcc_interrupt(int, void *, struct pt_regs *);
+
+/*====================================================================*/
+
+static struct timer_list poll_timer;
+
+static unsigned int pcc_get(u_short sock, unsigned int reg)
+{
+ return inl(socket[sock].base + reg);
+}
+
+
+static void pcc_set(u_short sock, unsigned int reg, unsigned int data)
+{
+ outl(data, socket[sock].base + reg);
+}
+
+/*======================================================================
+
+ See if a card is present, powered up, in IO mode, and already
+ bound to a (non PC Card) Linux driver. We leave these alone.
+
+ We make an exception for cards that seem to be serial devices.
+
+======================================================================*/
+
+static int __init is_alive(u_short sock)
+{
+ unsigned int stat;
+ unsigned int f;
+
+ stat = pcc_get(sock, PCIRC);
+ f = (stat & (PCIRC_CDIN1 | PCIRC_CDIN2)) >> 16;
+ if(!f){
+ printk("m32r_pcc: No Card is detected at socket %d : stat = 0x%08x\n",stat,sock);
+ return 0;
+ }
+ if(f!=3)
+ printk("m32r_pcc: Insertion fail (%.8x) at socket %d\n",stat,sock);
+ else
+ printk("m32r_pcc: Card is Inserted at socket %d(%.8x)\n",sock,stat);
+ return 0;
+}
+
+static void add_pcc_socket(ulong base, int irq, ulong mapaddr, ioaddr_t ioaddr)
+{
+ pcc_socket_t *t = &socket[pcc_sockets];
+
+ /* add sockets */
+ t->ioaddr = ioaddr;
+ t->mapaddr = mapaddr;
+ t->base = base;
+#ifdef CHAOS_PCC_DEBUG
+ t->flags = MAP_16BIT;
+#else
+ t->flags = 0;
+#endif
+ if (is_alive(pcc_sockets))
+ t->flags |= IS_ALIVE;
+
+ /* add pcc */
+ if (t->base > 0) {
+ request_region(t->base, 0x20, "m32r-pcc");
+ }
+
+ printk(KERN_INFO " %s ", pcc[pcc_sockets].name);
+ printk("pcc at 0x%08lx\n", t->base);
+
+ /* Update socket interrupt information, capabilities */
+ t->socket.features |= (SS_CAP_PCCARD | SS_CAP_STATIC_MAP);
+ t->socket.map_size = M32R_PCC_MAPSIZE;
+ t->socket.io_offset = ioaddr; /* use for io access offset */
+ t->socket.irq_mask = 0;
+ t->socket.pci_irq = 2 + pcc_sockets; /* XXX */
+
+ request_irq(irq, pcc_interrupt, 0, "m32r-pcc", pcc_interrupt);
+
+ pcc_sockets++;
+
+ return;
+}
+
+
+/*====================================================================*/
+
+static irqreturn_t pcc_interrupt(int irq, void *dev, struct pt_regs *regs)
+{
+ int i, j, irc;
+ u_int events, active;
+ int handled = 0;
+
+ debug(4, "m32r: pcc_interrupt(%d)\n", irq);
+
+ for (j = 0; j < 20; j++) {
+ active = 0;
+ for (i = 0; i < pcc_sockets; i++) {
+ if ((socket[i].cs_irq != irq) &&
+ (socket[i].socket.pci_irq != irq))
+ continue;
+ handled = 1;
+ irc = pcc_get(i, PCIRC);
+ irc >>=16;
+ debug(2, "m32r-pcc:interrput: socket %d pcirc 0x%02x ", i, irc);
+ if (!irc)
+ continue;
+
+ events = (irc) ? SS_DETECT : 0;
+ events |= (pcc_get(i,PCCR) & PCCR_PCEN) ? SS_READY : 0;
+ debug(2, " event 0x%02x\n", events);
+
+ if (events)
+ pcmcia_parse_events(&socket[i].socket, events);
+
+ active |= events;
+ active = 0;
+ }
+ if (!active) break;
+ }
+ if (j == 20)
+ printk(KERN_NOTICE "m32r-pcc: infinite loop in interrupt handler\n");
+
+ debug(4, "m32r-pcc: interrupt done\n");
+
+ return IRQ_RETVAL(handled);
+} /* pcc_interrupt */
+
+static void pcc_interrupt_wrapper(u_long data)
+{
+ pcc_interrupt(0, NULL, NULL);
+ init_timer(&poll_timer);
+ poll_timer.expires = jiffies + poll_interval;
+ add_timer(&poll_timer);
+}
+
+/*====================================================================*/
+
+static int _pcc_get_status(u_short sock, u_int *value)
+{
+ u_int status;
+
+ status = pcc_get(sock,PCIRC);
+ *value = ((status & PCIRC_CDIN1) && (status & PCIRC_CDIN2))
+ ? SS_DETECT : 0;
+
+ status = pcc_get(sock,PCCR);
+
+#if 0
+ *value |= (status & PCCR_PCEN) ? SS_READY : 0;
+#else
+ *value |= SS_READY; /* XXX: always */
+#endif
+
+ status = pcc_get(sock,PCCSIGCR);
+ *value |= (status & PCCSIGCR_VEN) ? SS_POWERON : 0;
+
+ debug(3, "m32r-pcc: GetStatus(%d) = %#4.4x\n", sock, *value);
+ return 0;
+} /* _get_status */
+
+/*====================================================================*/
+
+static int _pcc_get_socket(u_short sock, socket_state_t *state)
+{
+ debug(3, "m32r-pcc: GetSocket(%d) = flags %#3.3x, Vcc %d, Vpp %d, "
+ "io_irq %d, csc_mask %#2.2x\n", sock, state->flags,
+ state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
+ return 0;
+} /* _get_socket */
+
+/*====================================================================*/
+
+static int _pcc_set_socket(u_short sock, socket_state_t *state)
+{
+ u_long reg = 0;
+
+ debug(3, "m32r-pcc: SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
+ "io_irq %d, csc_mask %#2.2x)", sock, state->flags,
+ state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
+
+ if (state->Vcc) {
+ /*
+ * 5V only
+ */
+ if (state->Vcc == 50) {
+ reg |= PCCSIGCR_VEN;
+ } else {
+ return -EINVAL;
+ }
+ }
+
+ if (state->flags & SS_RESET) {
+ debug(3, ":RESET\n");
+ reg |= PCCSIGCR_CRST;
+ }
+ if (state->flags & SS_OUTPUT_ENA){
+ debug(3, ":OUTPUT_ENA\n");
+ /* bit clear */
+ } else {
+ reg |= PCCSIGCR_SEN;
+ }
+
+ pcc_set(sock,PCCSIGCR,reg);
+
+#ifdef DEBUG
+ if(state->flags & SS_IOCARD){
+ debug(3, ":IOCARD");
+ }
+ if (state->flags & SS_PWR_AUTO) {
+ debug(3, ":PWR_AUTO");
+ }
+ if (state->csc_mask & SS_DETECT)
+ debug(3, ":csc-SS_DETECT");
+ if (state->flags & SS_IOCARD) {
+ if (state->csc_mask & SS_STSCHG)
+ debug(3, ":STSCHG");
+ } else {
+ if (state->csc_mask & SS_BATDEAD)
+ debug(3, ":BATDEAD");
+ if (state->csc_mask & SS_BATWARN)
+ debug(3, ":BATWARN");
+ if (state->csc_mask & SS_READY)
+ debug(3, ":READY");
+ }
+ debug(3, "\n");
+#endif
+ return 0;
+} /* _set_socket */
+
+/*====================================================================*/
+
+static int _pcc_set_io_map(u_short sock, struct pccard_io_map *io)
+{
+ u_char map;
+
+ debug(3, "m32r-pcc: SetIOMap(%d, %d, %#2.2x, %d ns, "
+ "%#4.4x-%#4.4x)\n", sock, io->map, io->flags,
+ io->speed, io->start, io->stop);
+ map = io->map;
+
+ return 0;
+} /* _set_io_map */
+
+/*====================================================================*/
+
+static int _pcc_set_mem_map(u_short sock, struct pccard_mem_map *mem)
+{
+
+ u_char map = mem->map;
+ u_long mode;
+ u_long addr;
+ pcc_socket_t *t = &socket[sock];
+#ifdef CHAOS_PCC_DEBUG
+#if 0
+ pcc_as_t last = t->current_space;
+#endif
+#endif
+
+ debug(3, "m32r-pcc: SetMemMap(%d, %d, %#2.2x, %d ns, "
+ "%#5.5lx, %#5.5x)\n", sock, map, mem->flags,
+ mem->speed, mem->static_start, mem->card_start);
+
+ /*
+ * sanity check
+ */
+ if ((map > MAX_WIN) || (mem->card_start > 0x3ffffff)){
+ return -EINVAL;
+ }
+
+ /*
+ * de-activate
+ */
+ if ((mem->flags & MAP_ACTIVE) == 0) {
+ t->current_space = as_none;
+ return 0;
+ }
+
+ /*
+ * Disable first
+ */
+ pcc_set(sock, PCCR, 0);
+
+ /*
+ * Set mode
+ */
+ if (mem->flags & MAP_ATTRIB) {
+ mode = PCMOD_AS_ATTRIB | PCMOD_CBSZ;
+ t->current_space = as_attr;
+ } else {
+ mode = 0; /* common memory */
+ t->current_space = as_comm;
+ }
+ pcc_set(sock, PCMOD, mode);
+
+ /*
+ * Set address
+ */
+ addr = t->mapaddr + (mem->card_start & M32R_PCC_MAPMASK);
+ pcc_set(sock, PCADR, addr);
+
+ mem->static_start = addr + mem->card_start;
+
+ /*
+ * Enable again
+ */
+ pcc_set(sock, PCCR, 1);
+
+#ifdef CHAOS_PCC_DEBUG
+#if 0
+ if (last != as_attr) {
+#else
+ if (1) {
+#endif
+ dummy_readbuf = *(u_char *)(addr + KSEG1);
+ }
+#endif
+
+ return 0;
+
+} /* _set_mem_map */
+
+#if 0 /* driver model ordering issue */
+/*======================================================================
+
+ Routines for accessing socket information and register dumps via
+ /proc/bus/pccard/...
+
+======================================================================*/
+
+static ssize_t show_info(struct class_device *class_dev, char *buf)
+{
+ pcc_socket_t *s = container_of(class_dev, struct pcc_socket,
+ socket.dev);
+
+ return sprintf(buf, "type: %s\nbase addr: 0x%08lx\n",
+ pcc[s->type].name, s->base);
+}
+
+static ssize_t show_exca(struct class_device *class_dev, char *buf)
+{
+ /* FIXME */
+
+ return 0;
+}
+
+static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL);
+static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL);
+#endif
+
+/*====================================================================*/
+
+/* this is horribly ugly... proper locking needs to be done here at
+ * some time... */
+#define LOCKED(x) do { \
+ int retval; \
+ unsigned long flags; \
+ spin_lock_irqsave(&pcc_lock, flags); \
+ retval = x; \
+ spin_unlock_irqrestore(&pcc_lock, flags); \
+ return retval; \
+} while (0)
+
+
+static int pcc_get_status(struct pcmcia_socket *s, u_int *value)
+{
+ unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
+
+ if (socket[sock].flags & IS_ALIVE) {
+ *value = 0;
+ return -EINVAL;
+ }
+ LOCKED(_pcc_get_status(sock, value));
+}
+
+static int pcc_get_socket(struct pcmcia_socket *s, socket_state_t *state)
+{
+ unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
+
+ if (socket[sock].flags & IS_ALIVE)
+ return -EINVAL;
+ LOCKED(_pcc_get_socket(sock, state));
+}
+
+static int pcc_set_socket(struct pcmcia_socket *s, socket_state_t *state)
+{
+ unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
+
+ if (socket[sock].flags & IS_ALIVE)
+ return -EINVAL;
+
+ LOCKED(_pcc_set_socket(sock, state));
+}
+
+static int pcc_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
+{
+ unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
+
+ if (socket[sock].flags & IS_ALIVE)
+ return -EINVAL;
+ LOCKED(_pcc_set_io_map(sock, io));
+}
+
+static int pcc_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem)
+{
+ unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
+
+ if (socket[sock].flags & IS_ALIVE)
+ return -EINVAL;
+ LOCKED(_pcc_set_mem_map(sock, mem));
+}
+
+static int pcc_init(struct pcmcia_socket *s)
+{
+ debug(4, "m32r-pcc: init call\n");
+ return 0;
+}
+
+static int pcc_suspend(struct pcmcia_socket *sock)
+{
+ return pcc_set_socket(sock, &dead_socket);
+}
+
+static struct pccard_operations pcc_operations = {
+ .init = pcc_init,
+ .suspend = pcc_suspend,
+ .get_status = pcc_get_status,
+ .get_socket = pcc_get_socket,
+ .set_socket = pcc_set_socket,
+ .set_io_map = pcc_set_io_map,
+ .set_mem_map = pcc_set_mem_map,
+};
+
+/*====================================================================*/
+
+static int m32r_pcc_suspend(struct device *dev, u32 state, u32 level)
+{
+ int ret = 0;
+ if (level == SUSPEND_SAVE_STATE)
+ ret = pcmcia_socket_dev_suspend(dev, state);
+ return ret;
+}
+
+static int m32r_pcc_resume(struct device *dev, u32 level)
+{
+ int ret = 0;
+ if (level == RESUME_RESTORE_STATE)
+ ret = pcmcia_socket_dev_resume(dev);
+ return ret;
+}
+
+
+static struct device_driver pcc_driver = {
+ .name = "pcc",
+ .bus = &platform_bus_type,
+ .suspend = m32r_pcc_suspend,
+ .resume = m32r_pcc_resume,
+};
+
+static struct platform_device pcc_device = {
+ .name = "pcc",
+ .id = 0,
+};
+
+/*====================================================================*/
+
+static int __init init_m32r_pcc(void)
+{
+ int i, ret;
+
+ ret = driver_register(&pcc_driver);
+ if (ret)
+ return ret;
+
+ ret = platform_device_register(&pcc_device);
+ if (ret){
+ driver_unregister(&pcc_driver);
+ return ret;
+ }
+
+ printk(KERN_INFO "m32r PCC probe:\n");
+
+ pcc_sockets = 0;
+
+ add_pcc_socket(M32R_PCC0_BASE, PCC0_IRQ, M32R_PCC0_MAPBASE, 0x1000);
+
+#ifdef CONFIG_M32RPCC_SLOT2
+ add_pcc_socket(M32R_PCC1_BASE, PCC1_IRQ, M32R_PCC1_MAPBASE, 0x2000);
+#endif
+
+ if (pcc_sockets == 0) {
+ printk("socket is not found.\n");
+ platform_device_unregister(&pcc_device);
+ driver_unregister(&pcc_driver);
+ return -ENODEV;
+ }
+
+ /* Set up interrupt handler(s) */
+
+ for (i = 0 ; i < pcc_sockets ; i++) {
+ socket[i].socket.dev.dev = &pcc_device.dev;
+ socket[i].socket.ops = &pcc_operations;
+ socket[i].socket.owner = THIS_MODULE;
+ socket[i].number = i;
+ ret = pcmcia_register_socket(&socket[i].socket);
+ if (ret && i--) {
+ for (; i>= 0; i--)
+ pcmcia_unregister_socket(&socket[i].socket);
+ break;
+ }
+#if 0 /* driver model ordering issue */
+ class_device_create_file(&socket[i].socket.dev,
+ &class_device_attr_info);
+ class_device_create_file(&socket[i].socket.dev,
+ &class_device_attr_exca);
+#endif
+ }
+
+ /* Finally, schedule a polling interrupt */
+ if (poll_interval != 0) {
+ poll_timer.function = pcc_interrupt_wrapper;
+ poll_timer.data = 0;
+ init_timer(&poll_timer);
+ poll_timer.expires = jiffies + poll_interval;
+ add_timer(&poll_timer);
+ }
+
+ return 0;
+} /* init_m32r_pcc */
+
+static void __exit exit_m32r_pcc(void)
+{
+ int i;
+
+ for (i = 0; i < pcc_sockets; i++)
+ pcmcia_unregister_socket(&socket[i].socket);
+
+ platform_device_unregister(&pcc_device);
+ if (poll_interval != 0)
+ del_timer_sync(&poll_timer);
+
+ driver_unregister(&pcc_driver);
+} /* exit_m32r_pcc */
+
+module_init(init_m32r_pcc);
+module_exit(exit_m32r_pcc);
+MODULE_LICENSE("Dual MPL/GPL");
+/*====================================================================*/
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