* Changelog:
* Aug 2002: Manfred Spraul <manfred@colorfullife.com>
* Dynamically adjust the size of the bridge resource
- *
+ *
* May 2003: Dominik Brodowski <linux@brodo.de>
* Merge pci_socket.c and yenta.c into one file
*/
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/module.h>
+#include <linux/io.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/ss.h>
#include <pcmcia/cs.h>
-#include <asm/io.h>
-
#include "yenta_socket.h"
#include "i82365.h"
module_param(pwr_irqs_off, bool, 0644);
MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!");
+static char o2_speedup[] = "default";
+module_param_string(o2_speedup, o2_speedup, sizeof(o2_speedup), 0444);
+MODULE_PARM_DESC(o2_speedup, "Use prefetch/burst for O2-bridges: 'on', 'off' "
+ "or 'default' (uses recommended behaviour for the detected bridge)");
+
+/*
+ * Only probe "regular" interrupts, don't
+ * touch dangerous spots like the mouse irq,
+ * because there are mice that apparently
+ * get really confused if they get fondled
+ * too intimately.
+ *
+ * Default to 11, 10, 9, 7, 6, 5, 4, 3.
+ */
+static u32 isa_interrupts = 0x0ef8;
+
+
#define debug(x, s, args...) dev_dbg(&s->dev->dev, x, ##args)
/* Don't ask.. */
*/
#ifdef CONFIG_YENTA_TI
static int yenta_probe_cb_irq(struct yenta_socket *socket);
+static unsigned int yenta_probe_irq(struct yenta_socket *socket,
+ u32 isa_irq_mask);
#endif
static unsigned int override_bios;
module_param(override_bios, uint, 0000);
-MODULE_PARM_DESC (override_bios, "yenta ignore bios resource allocation");
+MODULE_PARM_DESC(override_bios, "yenta ignore bios resource allocation");
/*
* Generate easy-to-use ways of reading a cardbus sockets
/* i82365SL-DF style */
if (socket->flags & YENTA_16BIT_POWER_DF) {
switch (state->Vcc) {
- case 33: reg |= I365_VCC_3V; break;
- case 50: reg |= I365_VCC_5V; break;
- default: reg = 0; break;
+ case 33:
+ reg |= I365_VCC_3V;
+ break;
+ case 50:
+ reg |= I365_VCC_5V;
+ break;
+ default:
+ reg = 0;
+ break;
}
switch (state->Vpp) {
case 33:
- case 50: reg |= I365_VPP1_5V; break;
- case 120: reg |= I365_VPP1_12V; break;
+ case 50:
+ reg |= I365_VPP1_5V;
+ break;
+ case 120:
+ reg |= I365_VPP1_12V;
+ break;
}
} else {
/* i82365SL-B style */
switch (state->Vcc) {
- case 50: reg |= I365_VCC_5V; break;
- default: reg = 0; break;
+ case 50:
+ reg |= I365_VCC_5V;
+ break;
+ default:
+ reg = 0;
+ break;
}
switch (state->Vpp) {
- case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break;
- case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break;
+ case 50:
+ reg |= I365_VPP1_5V | I365_VPP2_5V;
+ break;
+ case 120:
+ reg |= I365_VPP1_12V | I365_VPP2_12V;
+ break;
}
}
} else {
u32 reg = 0; /* CB_SC_STPCLK? */
switch (state->Vcc) {
- case 33: reg = CB_SC_VCC_3V; break;
- case 50: reg = CB_SC_VCC_5V; break;
- default: reg = 0; break;
+ case 33:
+ reg = CB_SC_VCC_3V;
+ break;
+ case 50:
+ reg = CB_SC_VCC_5V;
+ break;
+ default:
+ reg = 0;
+ break;
}
switch (state->Vpp) {
- case 33: reg |= CB_SC_VPP_3V; break;
- case 50: reg |= CB_SC_VPP_5V; break;
- case 120: reg |= CB_SC_VPP_12V; break;
+ case 33:
+ reg |= CB_SC_VPP_3V;
+ break;
+ case 50:
+ reg |= CB_SC_VPP_5V;
+ break;
+ case 120:
+ reg |= CB_SC_VPP_12V;
+ break;
}
if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
cb_writel(socket, CB_SOCKET_CONTROL, reg);
/* ISA interrupt control? */
intr = exca_readb(socket, I365_INTCTL);
intr = (intr & ~0xf);
- if (!socket->cb_irq) {
- intr |= state->io_irq;
+ if (!socket->dev->irq) {
+ intr |= socket->cb_irq ? socket->cb_irq : state->io_irq;
bridge |= CB_BRIDGE_INTR;
}
exca_writeb(socket, I365_INTCTL, intr);
reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA);
reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
- if (state->io_irq != socket->cb_irq) {
+ if (state->io_irq != socket->dev->irq) {
reg |= state->io_irq;
bridge |= CB_BRIDGE_INTR;
}
reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK);
reg |= I365_PWR_NORESET;
- if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO;
- if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT;
+ if (state->flags & SS_PWR_AUTO)
+ reg |= I365_PWR_AUTO;
+ if (state->flags & SS_OUTPUT_ENA)
+ reg |= I365_PWR_OUT;
if (exca_readb(socket, I365_POWER) != reg)
exca_writeb(socket, I365_POWER, reg);
/* CSC interrupt: no ISA irq for CSC */
- reg = I365_CSC_DETECT;
+ reg = exca_readb(socket, I365_CSCINT);
+ reg &= I365_CSC_IRQ_MASK;
+ reg |= I365_CSC_DETECT;
if (state->flags & SS_IOCARD) {
- if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG;
+ 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;
+ 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;
}
exca_writeb(socket, I365_CSCINT, reg);
exca_readb(socket, I365_CSC);
- if(sock->zoom_video)
+ if (sock->zoom_video)
sock->zoom_video(sock, state->flags & SS_ZVCARD);
}
config_writew(socket, CB_BRIDGE_CONTROL, bridge);
exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop);
ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map);
- if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
- if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
- if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
+ if (io->flags & MAP_0WS)
+ ioctl |= I365_IOCTL_0WS(map);
+ if (io->flags & MAP_16BIT)
+ ioctl |= I365_IOCTL_16BIT(map);
+ if (io->flags & MAP_AUTOSZ)
+ ioctl |= I365_IOCTL_IOCS16(map);
exca_writeb(socket, I365_IOCTL, ioctl);
if (io->flags & MAP_ACTIVE)
word = (stop >> 12) & 0x0fff;
switch (to_cycles(mem->speed)) {
- case 0: break;
- case 1: word |= I365_MEM_WS0; break;
- case 2: word |= I365_MEM_WS1; break;
- default: word |= I365_MEM_WS1 | I365_MEM_WS0; break;
+ case 0:
+ break;
+ case 1:
+ word |= I365_MEM_WS0;
+ break;
+ case 2:
+ word |= I365_MEM_WS1;
+ break;
+ default:
+ word |= I365_MEM_WS1 | I365_MEM_WS0;
+ break;
}
exca_writew(socket, I365_MEM(map) + I365_W_STOP, word);
* max 4 MB, min 16 kB. We try very hard to not get below
* the "ACC" values, though.
*/
-#define BRIDGE_MEM_MAX 4*1024*1024
-#define BRIDGE_MEM_ACC 128*1024
-#define BRIDGE_MEM_MIN 16*1024
+#define BRIDGE_MEM_MAX (4*1024*1024)
+#define BRIDGE_MEM_ACC (128*1024)
+#define BRIDGE_MEM_MIN (16*1024)
#define BRIDGE_IO_MAX 512
#define BRIDGE_IO_ACC 256
int i;
size = BRIDGE_MEM_MAX;
if (size > avail/8) {
- size=(avail+1)/8;
+ size = (avail+1)/8;
/* round size down to next power of 2 */
i = 0;
while ((size /= 2) != 0)
do {
if (allocate_resource(root, res, size, start, end, align,
- NULL, NULL)==0) {
+ NULL, NULL) == 0) {
return 1;
}
size = size/2;
static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
u32 min)
{
+ struct resource *root;
int i;
- for (i=0; i<PCI_BUS_NUM_RESOURCES; i++) {
- struct resource * root = socket->dev->bus->resource[i];
+
+ pci_bus_for_each_resource(socket->dev->bus, root, i) {
if (!root)
continue;
static void yenta_free_resources(struct yenta_socket *socket)
{
int i;
- for (i=0;i<4;i++) {
+ for (i = 0; i < 4; i++) {
struct resource *res;
res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
if (res->start != 0 && res->end != 0)
/* we don't want a dying socket registered */
pcmcia_unregister_socket(&sock->socket);
-
+
/* Disable all events so we don't die in an IRQ storm */
cb_writel(sock, CB_SOCKET_MASK, 0x0);
exca_writeb(sock, I365_CSCINT, 0);
};
-/*
- * Only probe "regular" interrupts, don't
- * touch dangerous spots like the mouse irq,
- * because there are mice that apparently
- * get really confused if they get fondled
- * too intimately.
- *
- * Default to 11, 10, 9, 7, 6, 5, 4, 3.
- */
-static u32 isa_interrupts = 0x0ef8;
-
static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask)
{
int i;
unsigned long val;
u32 mask;
+ u8 reg;
/*
* Probe for usable interrupts using the force
*/
cb_writel(socket, CB_SOCKET_EVENT, -1);
cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
+ reg = exca_readb(socket, I365_CSCINT);
exca_writeb(socket, I365_CSCINT, 0);
val = probe_irq_on() & isa_irq_mask;
for (i = 1; i < 16; i++) {
cb_writel(socket, CB_SOCKET_EVENT, -1);
}
cb_writel(socket, CB_SOCKET_MASK, 0);
- exca_writeb(socket, I365_CSCINT, 0);
+ exca_writeb(socket, I365_CSCINT, reg);
mask = probe_irq_mask(val) & 0xffff;
{
struct yenta_socket *socket = (struct yenta_socket *) dev_id;
u8 csc;
- u32 cb_event;
+ u32 cb_event;
/* Clear interrupt status for the event */
cb_event = cb_readl(socket, CB_SOCKET_EVENT);
/* probes the PCI interrupt, use only on override functions */
static int yenta_probe_cb_irq(struct yenta_socket *socket)
{
+ u8 reg;
+
if (!socket->cb_irq)
return -1;
}
/* generate interrupt, wait */
- exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG);
+ reg = exca_readb(socket, I365_CSCINT);
+ exca_writeb(socket, I365_CSCINT, reg | I365_CSC_STSCHG);
cb_writel(socket, CB_SOCKET_EVENT, -1);
cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
/* disable interrupts */
cb_writel(socket, CB_SOCKET_MASK, 0);
- exca_writeb(socket, I365_CSCINT, 0);
+ exca_writeb(socket, I365_CSCINT, reg);
cb_writel(socket, CB_SOCKET_EVENT, -1);
exca_readb(socket, I365_CSC);
{
struct list_head *tmp;
unsigned char upper_limit;
- /*
+ /*
* We only check and fix the parent bridge: All systems which need
* this fixup that have been reviewed are laptops and the only bridge
* which needed fixing was the parent bridge of the CardBus bridge:
/* check the bus ranges of all silbling bridges to prevent overlap */
list_for_each(tmp, &bridge_to_fix->parent->children) {
- struct pci_bus * silbling = pci_bus_b(tmp);
+ struct pci_bus *silbling = pci_bus_b(tmp);
/*
* If the silbling has a higher secondary bus number
* and it's secondary is equal or smaller than our
* interrupt, and that we can map the cardbus area. Fill in the
* socket information structure..
*/
-static int __devinit yenta_probe (struct pci_dev *dev, const struct pci_device_id *id)
+static int __devinit yenta_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
struct yenta_socket *socket;
int ret;
{
struct pci_dev *pdev = to_pci_dev(dev);
struct yenta_socket *socket = pci_get_drvdata(pdev);
- int ret;
-
- ret = pcmcia_socket_dev_suspend(dev);
if (!socket)
- return ret;
+ return 0;
if (socket->type && socket->type->save_state)
socket->type->save_state(socket);
*/
/* pci_set_power_state(dev, 3); */
- return ret;
+ return 0;
}
static int yenta_dev_resume_noirq(struct device *dev)
if (socket->type && socket->type->restore_state)
socket->type->restore_state(socket);
- return pcmcia_socket_dev_resume(dev);
+ return 0;
}
-static struct dev_pm_ops yenta_pm_ops = {
+static const struct dev_pm_ops yenta_pm_ops = {
.suspend_noirq = yenta_dev_suspend_noirq,
.resume_noirq = yenta_dev_resume_noirq,
.freeze_noirq = yenta_dev_suspend_noirq,
#define YENTA_PM_OPS NULL
#endif
-#define CB_ID(vend,dev,type) \
+#define CB_ID(vend, dev, type) \
{ \
.vendor = vend, \
.device = dev, \
.driver_data = CARDBUS_TYPE_##type, \
}
-static struct pci_device_id yenta_table [] = {
+static struct pci_device_id yenta_table[] = {
CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI),
/*
CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX),
CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX),
- CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, TI12XX),
- CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, TI12XX),
- CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, TI12XX),
- CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, TI12XX),
+ CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, ENE),
+ CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, ENE),
+ CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, ENE),
+ CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, ENE),
CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE),
CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE),
CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE),
static int __init yenta_socket_init(void)
{
- return pci_register_driver (¥ta_cardbus_driver);
+ return pci_register_driver(¥ta_cardbus_driver);
}
-static void __exit yenta_socket_exit (void)
+static void __exit yenta_socket_exit(void)
{
- pci_unregister_driver (¥ta_cardbus_driver);
+ pci_unregister_driver(¥ta_cardbus_driver);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff