static int _pcc_set_socket(u_short sock, socket_state_t *state)
{
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) || defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3)
if (state->Vcc) {
if ((state->Vcc != 50) && (state->Vcc != 33))
return -EINVAL;
/* accept 5V and 3.3V */
}
#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_get_status(u_short sock, u_int *value)
{
u_int status;
pr_debug("m32r_cfc: _pcc_get_status:\n");
status = pcc_get(sock, (unsigned int)PLD_CFSTS);
*value = (status) ? SS_DETECT : 0;
pr_debug("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)) {
pr_debug("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);
pr_debug("m32r_cfc: _pcc_get_status: "
"power off (CPCR=0x%08x)\n", status);
}
#elif defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3)
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);
}
*value |= SS_POWERON;
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 */
*value |= SS_READY;
*value |= SS_3VCARD;
} else {
/* disable CF power */
pcc_set(sock, (unsigned int)PLD_CPCR, 0);
udelay(100);
pr_debug("m32r_cfc: _pcc_get_status: "
"power off (CPCR=0x%08x)\n", status);
}
#else
#error no platform configuration
#endif
pr_debug("m32r_cfc: _pcc_get_status: GetStatus(%d) = %#4.4x\n",
sock, *value);
return 0;
} /* _get_status */
static void add_pcc_socket(ulong base, int irq, ulong mapaddr,
unsigned int ioaddr)
{
pcc_socket_t *t = &socket[pcc_sockets];
pr_debug("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);
#ifndef CONFIG_PLAT_MAPPI3
/* eject interrupt */
request_irq(irq+1, pcc_interrupt, 0, "m32r_cfc", pcc_interrupt);
#endif
pr_debug("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 int __init init_m32r_pcc(void)
{
int i, ret;
ret = platform_driver_register(&pcc_driver);
if (ret)
return ret;
ret = platform_device_register(&pcc_device);
if (ret){
platform_driver_unregister(&pcc_driver);
return ret;
}
#if defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3)
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;
unsigned int 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);
platform_driver_unregister(&pcc_driver);
return -ENODEV;
}
/* Set up interrupt handler(s) */
for (i = 0 ; i < pcc_sockets ; i++) {
socket[i].socket.dev.parent = &pcc_device.dev;
socket[i].socket.ops = &pcc_operations;
socket[i].socket.resource_ops = &pccard_static_ops;
socket[i].socket.owner = THIS_MODULE;
socket[i].number = i;
ret = pcmcia_register_socket(&socket[i].socket);
if (!ret)
socket[i].flags |= IS_REGISTERED;
}
/* 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 */