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-rw-r--r--linux/pcmcia-cs/modules/i82365.c2570
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diff --git a/linux/pcmcia-cs/modules/i82365.c b/linux/pcmcia-cs/modules/i82365.c
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+++ b/linux/pcmcia-cs/modules/i82365.c
@@ -0,0 +1,2570 @@
+/*======================================================================
+
+ Device driver for Intel 82365 and compatible PC Card controllers,
+ and Yenta-compatible PCI-to-CardBus controllers.
+
+ i82365.c 1.358 2003/09/13 17:34:01
+
+ The contents of this file are subject to the Mozilla Public
+ License Version 1.1 (the "License"); you may not use this file
+ except in compliance with the License. You may obtain a copy of
+ the License at http://www.mozilla.org/MPL/
+
+ Software distributed under the License is distributed on an "AS
+ IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ implied. See the License for the specific language governing
+ rights and limitations under the License.
+
+ The initial developer of the original code is David A. Hinds
+ <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
+ are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
+
+ Alternatively, the contents of this file may be used under the
+ terms of the GNU General Public License version 2 (the "GPL"), in
+ which case the provisions of the GPL are applicable instead of the
+ above. If you wish to allow the use of your version of this file
+ only under the terms of the GPL and not to allow others to use
+ your version of this file under the MPL, indicate your decision
+ by deleting the provisions above and replace them with the notice
+ and other provisions required by the GPL. If you do not delete
+ the provisions above, a recipient may use your version of this
+ file under either the MPL or the GPL.
+
+======================================================================*/
+
+#include <linux/module.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/pci.h>
+#include <linux/ioport.h>
+#include <linux/delay.h>
+#include <linux/proc_fs.h>
+#include <linux/spinlock.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>
+
+/* ISA-bus controllers */
+#include "i82365.h"
+#include "cirrus.h"
+#include "vg468.h"
+#include "ricoh.h"
+#include "o2micro.h"
+
+/* PCI-bus controllers */
+#include "yenta.h"
+#include "ti113x.h"
+#include "smc34c90.h"
+#include "topic.h"
+#include "ene.h"
+
+/*====================================================================*/
+
+/* Module parameters */
+
+MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
+MODULE_DESCRIPTION("Intel ExCA/Yenta PCMCIA socket driver");
+MODULE_LICENSE("Dual MPL/GPL");
+
+#define INT_MODULE_PARM(n, v) static int n = v; MODULE_PARM(n, "i")
+
+/* General options */
+INT_MODULE_PARM(poll_interval, 0); /* in ticks, 0 means never */
+INT_MODULE_PARM(cycle_time, 120); /* in ns, 120 ns = 8.33 MHz */
+INT_MODULE_PARM(do_scan, 1); /* Probe free interrupts? */
+
+/* Cirrus options */
+INT_MODULE_PARM(has_dma, -1);
+INT_MODULE_PARM(has_led, -1);
+INT_MODULE_PARM(has_ring, -1);
+INT_MODULE_PARM(has_vsense, 0);
+INT_MODULE_PARM(dynamic_mode, 0);
+INT_MODULE_PARM(freq_bypass, -1);
+INT_MODULE_PARM(setup_time, -1);
+INT_MODULE_PARM(cmd_time, -1);
+INT_MODULE_PARM(recov_time, -1);
+
+#ifdef CONFIG_ISA
+INT_MODULE_PARM(i365_base, 0x3e0); /* IO address for probes */
+INT_MODULE_PARM(extra_sockets, 0); /* Probe at i365_base+2? */
+INT_MODULE_PARM(ignore, -1); /* Ignore this socket # */
+INT_MODULE_PARM(cs_irq, 0); /* card status irq */
+INT_MODULE_PARM(irq_mask, 0xffff); /* bit map of irq's to use */
+static int irq_list[16] = { -1 };
+MODULE_PARM(irq_list, "1-16i");
+INT_MODULE_PARM(async_clock, -1); /* Vadem specific */
+INT_MODULE_PARM(cable_mode, -1);
+INT_MODULE_PARM(wakeup, 0); /* Cirrus specific */
+#endif
+
+#ifdef CONFIG_PCI
+static int pci_irq_list[8] = { 0 }; /* PCI interrupt assignments */
+MODULE_PARM(pci_irq_list, "1-8i");
+INT_MODULE_PARM(do_pci_probe, 1); /* Scan for PCI bridges? */
+INT_MODULE_PARM(fast_pci, -1);
+INT_MODULE_PARM(cb_write_post, -1);
+INT_MODULE_PARM(irq_mode, -1); /* Override BIOS routing? */
+INT_MODULE_PARM(hold_time, -1); /* Ricoh specific */
+INT_MODULE_PARM(p2cclk, -1); /* TI specific */
+#endif
+
+#if defined(CONFIG_ISA) && defined(CONFIG_PCI)
+INT_MODULE_PARM(pci_csc, 1); /* PCI card status irqs? */
+INT_MODULE_PARM(pci_int, 1); /* PCI IO card irqs? */
+#elif defined(CONFIG_ISA) && !defined(CONFIG_PCI)
+#define pci_csc 0
+#define pci_int 0
+#elif !defined(CONFIG_ISA) && defined(CONFIG_PCI)
+#define pci_csc 0
+#define pci_int 1 /* We must use PCI irq's */
+#else
+#error "No bus architectures defined!"
+#endif
+
+#ifdef PCMCIA_DEBUG
+INT_MODULE_PARM(pc_debug, PCMCIA_DEBUG);
+#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
+static const char *version =
+"i82365.c 1.358 2003/09/13 17:34:01 (David Hinds)";
+#else
+#define DEBUG(n, args...) do { } while (0)
+#endif
+
+/*====================================================================*/
+
+typedef struct socket_info_t {
+ u_short type, flags;
+ socket_cap_t cap;
+ ioaddr_t ioaddr;
+ u_short psock;
+ u_char cs_irq, intr;
+ void (*handler)(void *info, u_int events);
+ void *info;
+#ifdef HAS_PROC_BUS
+ struct proc_dir_entry *proc;
+#endif
+ u_char pci_irq_code;
+#ifdef CONFIG_PCI
+ u_short vendor, device;
+ u_char revision, bus, devfn;
+ u_short bcr;
+ u_char pci_lat, cb_lat, sub_bus, cache;
+ u_int cb_phys;
+ char *cb_virt;
+#endif
+ union {
+ cirrus_state_t cirrus;
+ vg46x_state_t vg46x;
+ o2micro_state_t o2micro;
+ ti113x_state_t ti113x;
+ ricoh_state_t ricoh;
+ topic_state_t topic;
+ } state;
+} socket_info_t;
+
+/* Where we keep track of our sockets... */
+static int sockets = 0;
+static socket_info_t socket[8] = {
+ { 0, }, /* ... */
+};
+
+#ifdef CONFIG_ISA
+static int grab_irq;
+#ifdef USE_SPIN_LOCKS
+static spinlock_t isa_lock = SPIN_LOCK_UNLOCKED;
+#endif
+#define ISA_LOCK(s, f) \
+ if (!((s)->flags & IS_CARDBUS)) spin_lock_irqsave(&isa_lock, f)
+#define ISA_UNLOCK(n, f) \
+ if (!((s)->flags & IS_CARDBUS)) spin_unlock_irqrestore(&isa_lock, f)
+#else
+#define ISA_LOCK(n, f) do { } while (0)
+#define ISA_UNLOCK(n, f) do { } while (0)
+#endif
+
+static void pcic_interrupt_wrapper(u_long data);
+static struct timer_list poll_timer = {
+ function: pcic_interrupt_wrapper
+};
+
+#define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b))))
+
+/*====================================================================*/
+
+/* Some PCI shortcuts */
+
+#ifdef CONFIG_PCI
+static int pci_readb(socket_info_t *s, int r, u_char *v)
+{ return pcibios_read_config_byte(s->bus, s->devfn, r, v); }
+static int pci_writeb(socket_info_t *s, int r, u_char v)
+{ return pcibios_write_config_byte(s->bus, s->devfn, r, v); }
+static int pci_readw(socket_info_t *s, int r, u_short *v)
+{ return pcibios_read_config_word(s->bus, s->devfn, r, v); }
+static int pci_writew(socket_info_t *s, int r, u_short v)
+{ return pcibios_write_config_word(s->bus, s->devfn, r, v); }
+static int pci_readl(socket_info_t *s, int r, u_int *v)
+{ return pcibios_read_config_dword(s->bus, s->devfn, r, v); }
+static int pci_writel(socket_info_t *s, int r, u_int v)
+{ return pcibios_write_config_dword(s->bus, s->devfn, r, v); }
+#endif
+
+#define cb_readb(s, r) readb((s)->cb_virt + (r))
+#define cb_readl(s, r) readl((s)->cb_virt + (r))
+#define cb_writeb(s, r, v) writeb(v, (s)->cb_virt + (r))
+#define cb_writel(s, r, v) writel(v, (s)->cb_virt + (r))
+
+/*====================================================================*/
+
+/* These definitions must match the pcic table! */
+typedef enum pcic_id {
+#ifdef CONFIG_ISA
+ IS_I82365A, IS_I82365B, IS_I82365DF, IS_IBM, IS_RF5Cx96,
+ IS_VLSI, IS_VG468, IS_VG469, IS_PD6710, IS_PD672X, IS_VT83C469,
+#endif
+#ifdef CONFIG_PCI
+ IS_I82092AA, IS_OM82C092G, CIRRUS_PCIC_ID, O2MICRO_PCIC_ID,
+ RICOH_PCIC_ID, SMC_PCIC_ID, TI_PCIC_ID, ENE_PCIC_ID,
+ TOPIC_PCIC_ID, IS_UNK_PCI, IS_UNK_CARDBUS
+#endif
+} pcic_id;
+
+/* Flags for classifying groups of controllers */
+#define IS_VADEM 0x0001
+#define IS_CIRRUS 0x0002
+#define IS_TI 0x0004
+#define IS_O2MICRO 0x0008
+#define IS_TOPIC 0x0020
+#define IS_RICOH 0x0040
+#define IS_UNKNOWN 0x0400
+#define IS_VG_PWR 0x0800
+#define IS_DF_PWR 0x1000
+#define IS_PCI 0x2000
+#define IS_CARDBUS 0x4000
+#define IS_ALIVE 0x8000
+
+typedef struct pcic_t {
+ char *name;
+ u_short flags;
+#ifdef CONFIG_PCI
+ u_short vendor, device;
+#endif
+} pcic_t;
+
+#define ID(a,b) PCI_VENDOR_ID_##a,PCI_DEVICE_ID_##a##_##b
+
+static pcic_t pcic[] = {
+#ifdef CONFIG_ISA
+ { "Intel i82365sl A step", 0 },
+ { "Intel i82365sl B step", 0 },
+ { "Intel i82365sl DF", IS_DF_PWR },
+ { "IBM Clone", 0 },
+ { "Ricoh RF5C296/396", 0 },
+ { "VLSI 82C146", 0 },
+ { "Vadem VG-468", IS_VADEM },
+ { "Vadem VG-469", IS_VADEM|IS_VG_PWR },
+ { "Cirrus PD6710", IS_CIRRUS },
+ { "Cirrus PD672x", IS_CIRRUS },
+ { "VIA VT83C469", IS_CIRRUS },
+#endif
+#ifdef CONFIG_PCI
+ { "Intel 82092AA", IS_PCI, ID(INTEL, 82092AA_0) },
+ { "Omega Micro 82C092G", IS_PCI, ID(OMEGA, 82C092G) },
+ CIRRUS_PCIC_INFO, O2MICRO_PCIC_INFO, RICOH_PCIC_INFO,
+ SMC_PCIC_INFO, TI_PCIC_INFO, ENE_PCIC_INFO, TOPIC_PCIC_INFO,
+ { "Unknown", IS_PCI|IS_UNKNOWN, 0, 0 },
+ { "Unknown", IS_CARDBUS|IS_UNKNOWN, 0, 0 }
+#endif
+};
+
+#define PCIC_COUNT (sizeof(pcic)/sizeof(pcic_t))
+
+/*====================================================================*/
+
+static u_char i365_get(socket_info_t *s, u_short reg)
+{
+#ifdef CONFIG_PCI
+ if (s->cb_virt)
+ return cb_readb(s, 0x0800 + reg);
+#endif
+ outb(I365_REG(s->psock, reg), s->ioaddr);
+ return inb(s->ioaddr+1);
+}
+
+static void i365_set(socket_info_t *s, u_short reg, u_char data)
+{
+#ifdef CONFIG_PCI
+ if (s->cb_virt) {
+ cb_writeb(s, 0x0800 + reg, data);
+ return;
+ }
+#endif
+ outb(I365_REG(s->psock, reg), s->ioaddr);
+ outb(data, s->ioaddr+1);
+}
+
+static void i365_bset(socket_info_t *s, u_short reg, u_char mask)
+{
+ i365_set(s, reg, i365_get(s, reg) | mask);
+}
+
+static void i365_bclr(socket_info_t *s, u_short reg, u_char mask)
+{
+ i365_set(s, reg, i365_get(s, reg) & ~mask);
+}
+
+static void i365_bflip(socket_info_t *s, u_short reg, u_char mask, int b)
+{
+ u_char d = i365_get(s, reg);
+ i365_set(s, reg, (b) ? (d | mask) : (d & ~mask));
+}
+
+static u_short i365_get_pair(socket_info_t *s, u_short reg)
+{
+ return (i365_get(s, reg) + (i365_get(s, reg+1) << 8));
+}
+
+static void i365_set_pair(socket_info_t *s, u_short reg, u_short data)
+{
+ i365_set(s, reg, data & 0xff);
+ i365_set(s, reg+1, data >> 8);
+}
+
+/*======================================================================
+
+ Code to save and restore global state information for Cirrus
+ PD67xx controllers, and to set and report global configuration
+ options.
+
+ The VIA controllers also use these routines, as they are mostly
+ Cirrus lookalikes, without the timing registers.
+
+======================================================================*/
+
+#ifdef CONFIG_PCI
+
+static int __init get_pci_irq(socket_info_t *s)
+{
+ u8 irq = pci_irq_list[s - socket];
+ if (!irq)
+ irq = pci_find_slot(s->bus, s->devfn)->irq;
+ if (irq >= NR_IRQS) irq = 0;
+ s->cap.pci_irq = irq;
+ return irq;
+}
+
+#endif
+
+static void __init cirrus_get_state(socket_info_t *s)
+{
+ cirrus_state_t *p = &s->state.cirrus;
+ int i;
+
+ p->misc1 = i365_get(s, PD67_MISC_CTL_1);
+ p->misc1 &= (PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
+ p->misc2 = i365_get(s, PD67_MISC_CTL_2);
+ if (s->flags & IS_PCI)
+ p->ectl1 = pd67_ext_get(s, PD67_EXT_CTL_1);
+ for (i = 0; i < 6; i++)
+ p->timer[i] = i365_get(s, PD67_TIME_SETUP(0)+i);
+}
+
+static void cirrus_set_state(socket_info_t *s)
+{
+ cirrus_state_t *p = &s->state.cirrus;
+ u_char misc;
+ int i;
+
+ misc = i365_get(s, PD67_MISC_CTL_2);
+ i365_set(s, PD67_MISC_CTL_2, p->misc2);
+ if (misc & PD67_MC2_SUSPEND) mdelay(50);
+ misc = i365_get(s, PD67_MISC_CTL_1);
+ misc &= ~(PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
+ i365_set(s, PD67_MISC_CTL_1, misc | p->misc1);
+ if (s->flags & IS_PCI)
+ pd67_ext_set(s, PD67_EXT_CTL_1, p->ectl1);
+ else if (has_vsense) {
+ socket_info_t *t = (s->psock) ? s : s+1;
+ pd67_ext_set(t, PD67_EXT_CTL_2, PD67_EC2_GPSTB_IOR);
+ }
+ for (i = 0; i < 6; i++)
+ i365_set(s, PD67_TIME_SETUP(0)+i, p->timer[i]);
+}
+
+#ifdef CONFIG_PCI
+static int cirrus_set_irq_mode(socket_info_t *s, int pcsc, int pint)
+{
+ flip(s->bcr, PD6832_BCR_MGMT_IRQ_ENA, !pcsc);
+ return 0;
+}
+#endif
+
+static u_int __init cirrus_set_opts(socket_info_t *s, char *buf)
+{
+ cirrus_state_t *p = &s->state.cirrus;
+ u_int mask = 0xffff;
+
+ p->misc1 |= PD67_MC1_SPKR_ENA;
+ if (has_ring == -1) has_ring = 1;
+ flip(p->misc2, PD67_MC2_IRQ15_RI, has_ring);
+ flip(p->misc2, PD67_MC2_DYNAMIC_MODE, dynamic_mode);
+ if (p->misc2 & PD67_MC2_IRQ15_RI)
+ strcat(buf, " [ring]");
+ if (p->misc2 & PD67_MC2_DYNAMIC_MODE)
+ strcat(buf, " [dyn mode]");
+ if (p->misc1 & PD67_MC1_INPACK_ENA)
+ strcat(buf, " [inpack]");
+ if (!(s->flags & (IS_PCI|IS_CARDBUS))) {
+ flip(p->misc2, PD67_MC2_FREQ_BYPASS, freq_bypass);
+ if (p->misc2 & PD67_MC2_FREQ_BYPASS)
+ strcat(buf, " [freq bypass]");
+ if (p->misc2 & PD67_MC2_IRQ15_RI)
+ mask &= ~0x8000;
+ if (has_led > 0) {
+ strcat(buf, " [led]");
+ mask &= ~0x1000;
+ }
+ if (has_dma > 0) {
+ strcat(buf, " [dma]");
+ mask &= ~0x0600;
+ }
+#ifdef CONFIG_PCI
+ } else {
+ p->misc1 &= ~PD67_MC1_MEDIA_ENA;
+ p->misc1 &= ~(PD67_MC1_PULSE_MGMT | PD67_MC1_PULSE_IRQ);
+ p->ectl1 &= ~(PD67_EC1_INV_MGMT_IRQ | PD67_EC1_INV_CARD_IRQ);
+ flip(p->misc2, PD67_MC2_FAST_PCI, fast_pci);
+ if (p->misc2 & PD67_MC2_IRQ15_RI)
+ mask &= (s->type == IS_PD6730) ? ~0x0400 : ~0x8000;
+ if ((s->flags & IS_PCI) && (irq_mode == 1) && get_pci_irq(s)) {
+ /* Configure PD6729 bridge for PCI interrupts */
+ p->ectl1 |= PD67_EC1_INV_MGMT_IRQ | PD67_EC1_INV_CARD_IRQ;
+ s->pci_irq_code = 3; /* PCI INTA = "irq 3" */
+ buf += strlen(buf);
+ sprintf(buf, " [pci irq %d]", s->cap.pci_irq);
+ mask = 0;
+ }
+#endif
+ }
+#ifdef CONFIG_ISA
+ if (s->type != IS_VT83C469)
+#endif
+ {
+ if (setup_time >= 0)
+ p->timer[0] = p->timer[3] = setup_time;
+ if (cmd_time > 0) {
+ p->timer[1] = cmd_time;
+ p->timer[4] = cmd_time*2+4;
+ }
+ if (p->timer[1] == 0) {
+ p->timer[1] = 6; p->timer[4] = 16;
+ if (p->timer[0] == 0)
+ p->timer[0] = p->timer[3] = 1;
+ }
+ if (recov_time >= 0)
+ p->timer[2] = p->timer[5] = recov_time;
+ buf += strlen(buf);
+ sprintf(buf, " [%d/%d/%d] [%d/%d/%d]", p->timer[0], p->timer[1],
+ p->timer[2], p->timer[3], p->timer[4], p->timer[5]);
+ }
+ return mask;
+}
+
+/*======================================================================
+
+ Code to save and restore global state information for Vadem VG468
+ and VG469 controllers, and to set and report global configuration
+ options.
+
+======================================================================*/
+
+#ifdef CONFIG_ISA
+
+static void __init vg46x_get_state(socket_info_t *s)
+{
+ vg46x_state_t *p = &s->state.vg46x;
+ p->ctl = i365_get(s, VG468_CTL);
+ if (s->type == IS_VG469)
+ p->ema = i365_get(s, VG469_EXT_MODE);
+}
+
+static void vg46x_set_state(socket_info_t *s)
+{
+ vg46x_state_t *p = &s->state.vg46x;
+ i365_set(s, VG468_CTL, p->ctl);
+ if (s->type == IS_VG469)
+ i365_set(s, VG469_EXT_MODE, p->ema);
+}
+
+static u_int __init vg46x_set_opts(socket_info_t *s, char *buf)
+{
+ vg46x_state_t *p = &s->state.vg46x;
+
+ flip(p->ctl, VG468_CTL_ASYNC, async_clock);
+ flip(p->ema, VG469_MODE_CABLE, cable_mode);
+ if (p->ctl & VG468_CTL_ASYNC)
+ strcat(buf, " [async]");
+ if (p->ctl & VG468_CTL_INPACK)
+ strcat(buf, " [inpack]");
+ if (s->type == IS_VG469) {
+ u_char vsel = i365_get(s, VG469_VSELECT);
+ if (vsel & VG469_VSEL_EXT_STAT) {
+ strcat(buf, " [ext mode]");
+ if (vsel & VG469_VSEL_EXT_BUS)
+ strcat(buf, " [isa buf]");
+ }
+ if (p->ema & VG469_MODE_CABLE)
+ strcat(buf, " [cable]");
+ if (p->ema & VG469_MODE_COMPAT)
+ strcat(buf, " [c step]");
+ }
+ return 0xffff;
+}
+
+#endif
+
+/*======================================================================
+
+ Code to save and restore global state information for TI 1130 and
+ TI 1131 controllers, and to set and report global configuration
+ options.
+
+======================================================================*/
+
+#ifdef CONFIG_PCI
+
+static void __init ti113x_get_state(socket_info_t *s)
+{
+ ti113x_state_t *p = &s->state.ti113x;
+ pci_readl(s, TI113X_SYSTEM_CONTROL, &p->sysctl);
+ pci_readb(s, TI113X_CARD_CONTROL, &p->cardctl);
+ pci_readb(s, TI113X_DEVICE_CONTROL, &p->devctl);
+ pci_readb(s, TI1250_DIAGNOSTIC, &p->diag);
+ pci_readl(s, TI12XX_IRQMUX, &p->irqmux);
+}
+
+static void ti113x_set_state(socket_info_t *s)
+{
+ ti113x_state_t *p = &s->state.ti113x;
+ pci_writel(s, TI113X_SYSTEM_CONTROL, p->sysctl);
+ pci_writeb(s, TI113X_CARD_CONTROL, p->cardctl);
+ pci_writeb(s, TI113X_DEVICE_CONTROL, p->devctl);
+ pci_writeb(s, TI1250_MULTIMEDIA_CTL, 0);
+ pci_writeb(s, TI1250_DIAGNOSTIC, p->diag);
+ pci_writel(s, TI12XX_IRQMUX, p->irqmux);
+ i365_set_pair(s, TI113X_IO_OFFSET(0), 0);
+ i365_set_pair(s, TI113X_IO_OFFSET(1), 0);
+}
+
+static int ti113x_set_irq_mode(socket_info_t *s, int pcsc, int pint)
+{
+ ti113x_state_t *p = &s->state.ti113x;
+ s->intr = (pcsc) ? I365_INTR_ENA : 0;
+ if (s->type <= IS_TI1131) {
+ p->cardctl &= ~(TI113X_CCR_PCI_IRQ_ENA |
+ TI113X_CCR_PCI_IREQ | TI113X_CCR_PCI_CSC);
+ if (pcsc)
+ p->cardctl |= TI113X_CCR_PCI_IRQ_ENA | TI113X_CCR_PCI_CSC;
+ if (pint)
+ p->cardctl |= TI113X_CCR_PCI_IRQ_ENA | TI113X_CCR_PCI_IREQ;
+ } else if (s->type == IS_TI1250A) {
+ p->diag &= TI1250_DIAG_PCI_CSC | TI1250_DIAG_PCI_IREQ;
+ if (pcsc)
+ p->diag |= TI1250_DIAG_PCI_CSC;
+ if (pint)
+ p->diag |= TI1250_DIAG_PCI_IREQ;
+ }
+ return 0;
+}
+
+static u_int __init ti113x_set_opts(socket_info_t *s, char *buf)
+{
+ ti113x_state_t *p = &s->state.ti113x;
+ u_int mask = 0xffff;
+ int old = (s->type <= IS_TI1131);
+
+ flip(p->cardctl, TI113X_CCR_RIENB, has_ring);
+ p->cardctl &= ~TI113X_CCR_ZVENABLE;
+ p->cardctl |= TI113X_CCR_SPKROUTEN;
+ if (!old) flip(p->sysctl, TI122X_SCR_P2CCLK, p2cclk);
+ switch (irq_mode) {
+ case 0:
+ p->devctl &= ~TI113X_DCR_IMODE_MASK;
+ p->irqmux = (p->irqmux & ~0x0f) | 0x02; /* route INTA */
+ if (!(p->sysctl & TI122X_SCR_INTRTIE))
+ p->irqmux = (p->irqmux & ~0xf0) | 0x20; /* route INTB */
+ break;
+ case 1:
+ p->devctl &= ~TI113X_DCR_IMODE_MASK;
+ p->devctl |= TI113X_DCR_IMODE_ISA;
+ break;
+ case 2:
+ p->devctl &= ~TI113X_DCR_IMODE_MASK;
+ p->devctl |= TI113X_DCR_IMODE_SERIAL;
+ break;
+ case 3:
+ p->devctl &= ~TI113X_DCR_IMODE_MASK;
+ p->devctl |= TI12XX_DCR_IMODE_ALL_SERIAL;
+ break;
+ default:
+ /* Feeble fallback: if PCI-only but no PCI irq, try ISA */
+ if (((p->devctl & TI113X_DCR_IMODE_MASK) == 0) &&
+ (s->cap.pci_irq == 0))
+ p->devctl |= TI113X_DCR_IMODE_ISA;
+ }
+ if (p->cardctl & TI113X_CCR_RIENB) {
+ strcat(buf, " [ring]");
+ if (old) mask &= ~0x8000;
+ }
+ if (old && (p->sysctl & TI113X_SCR_CLKRUN_ENA)) {
+ if (p->sysctl & TI113X_SCR_CLKRUN_SEL) {
+ strcat(buf, " [clkrun irq 12]");
+ mask &= ~0x1000;
+ } else {
+ strcat(buf, " [clkrun irq 10]");
+ mask &= ~0x0400;
+ }
+ }
+ switch (p->devctl & TI113X_DCR_IMODE_MASK) {
+ case TI12XX_DCR_IMODE_PCI_ONLY:
+ strcat(buf, " [pci only]");
+ mask = 0;
+ break;
+ case TI113X_DCR_IMODE_ISA:
+ strcat(buf, " [isa irq]");
+ if (old) mask &= ~0x0018;
+ break;
+ case TI113X_DCR_IMODE_SERIAL:
+ strcat(buf, " [pci + serial irq]");
+ mask = 0xffff;
+ break;
+ case TI12XX_DCR_IMODE_ALL_SERIAL:
+ strcat(buf, " [serial pci & irq]");
+ mask = 0xffff;
+ break;
+ }
+ return mask;
+}
+
+#endif
+
+/*======================================================================
+
+ Code to save and restore global state information for the Ricoh
+ RL5C4XX controllers, and to set and report global configuration
+ options.
+
+ The interrupt test doesn't seem to be reliable with Ricoh
+ bridges. It seems to depend on what type of card is in the
+ socket, and on the history of that socket, in some way that
+ doesn't show up in the current socket state.
+
+======================================================================*/
+
+#ifdef CONFIG_PCI
+
+static void __init ricoh_get_state(socket_info_t *s)
+{
+ ricoh_state_t *p = &s->state.ricoh;
+ pci_readw(s, RL5C4XX_CONFIG, &p->config);
+ pci_readw(s, RL5C4XX_MISC, &p->misc);
+ pci_readw(s, RL5C4XX_16BIT_CTL, &p->ctl);
+ pci_readw(s, RL5C4XX_16BIT_IO_0, &p->io);
+ pci_readw(s, RL5C4XX_16BIT_MEM_0, &p->mem);
+}
+
+static void ricoh_set_state(socket_info_t *s)
+{
+ ricoh_state_t *p = &s->state.ricoh;
+ pci_writew(s, RL5C4XX_CONFIG, p->config);
+ pci_writew(s, RL5C4XX_MISC, p->misc);
+ pci_writew(s, RL5C4XX_16BIT_CTL, p->ctl);
+ pci_writew(s, RL5C4XX_16BIT_IO_0, p->io);
+ pci_writew(s, RL5C4XX_16BIT_MEM_0, p->mem);
+}
+
+static u_int __init ricoh_set_opts(socket_info_t *s, char *buf)
+{
+ ricoh_state_t *p = &s->state.ricoh;
+ u_int mask = 0xffff;
+ int old = (s->type < IS_RL5C475);
+
+ p->ctl = RL5C4XX_16CTL_IO_TIMING | RL5C4XX_16CTL_MEM_TIMING;
+ if (old)
+ p->ctl |= RL5C46X_16CTL_LEVEL_1 | RL5C46X_16CTL_LEVEL_2;
+ else
+ p->config |= RL5C4XX_CONFIG_PREFETCH;
+
+ if (setup_time >= 0) {
+ p->io = (p->io & ~RL5C4XX_SETUP_MASK) +
+ ((setup_time+1) << RL5C4XX_SETUP_SHIFT);
+ p->mem = (p->mem & ~RL5C4XX_SETUP_MASK) +
+ (setup_time << RL5C4XX_SETUP_SHIFT);
+ }
+ if (cmd_time >= 0) {
+ p->io = (p->io & ~RL5C4XX_CMD_MASK) +
+ (cmd_time << RL5C4XX_CMD_SHIFT);
+ p->mem = (p->mem & ~RL5C4XX_CMD_MASK) +
+ (cmd_time << RL5C4XX_CMD_SHIFT);
+ }
+ if (hold_time >= 0) {
+ p->io = (p->io & ~RL5C4XX_HOLD_MASK) +
+ (hold_time << RL5C4XX_HOLD_SHIFT);
+ p->mem = (p->mem & ~RL5C4XX_HOLD_MASK) +
+ (hold_time << RL5C4XX_HOLD_SHIFT);
+ }
+ if (irq_mode == 0) {
+ mask = 0;
+ p->misc &= ~RL5C47X_MISC_SRIRQ_ENA;
+ sprintf(buf, " [pci only]");
+ buf += strlen(buf);
+ } else if (!old) {
+ switch (irq_mode) {
+ case 1:
+ p->misc &= ~RL5C47X_MISC_SRIRQ_ENA; break;
+ case 2:
+ p->misc |= RL5C47X_MISC_SRIRQ_ENA; break;
+ }
+ if (p->misc & RL5C47X_MISC_SRIRQ_ENA)
+ sprintf(buf, " [serial irq]");
+ else
+ sprintf(buf, " [isa irq]");
+ buf += strlen(buf);
+ }
+ sprintf(buf, " [io %d/%d/%d] [mem %d/%d/%d]",
+ (p->io & RL5C4XX_SETUP_MASK) >> RL5C4XX_SETUP_SHIFT,
+ (p->io & RL5C4XX_CMD_MASK) >> RL5C4XX_CMD_SHIFT,
+ (p->io & RL5C4XX_HOLD_MASK) >> RL5C4XX_HOLD_SHIFT,
+ (p->mem & RL5C4XX_SETUP_MASK) >> RL5C4XX_SETUP_SHIFT,
+ (p->mem & RL5C4XX_CMD_MASK) >> RL5C4XX_CMD_SHIFT,
+ (p->mem & RL5C4XX_HOLD_MASK) >> RL5C4XX_HOLD_SHIFT);
+ return mask;
+}
+
+#endif
+
+/*======================================================================
+
+ Code to save and restore global state information for O2Micro
+ controllers, and to set and report global configuration options.
+
+======================================================================*/
+
+#ifdef CONFIG_PCI
+
+static void __init o2micro_get_state(socket_info_t *s)
+{
+ o2micro_state_t *p = &s->state.o2micro;
+ if ((s->revision == 0x34) || (s->revision == 0x62) ||
+ (s->type == IS_OZ6812)) {
+ p->mode_a = i365_get(s, O2_MODE_A_2);
+ p->mode_b = i365_get(s, O2_MODE_B_2);
+ } else {
+ p->mode_a = i365_get(s, O2_MODE_A);
+ p->mode_b = i365_get(s, O2_MODE_B);
+ }
+ p->mode_c = i365_get(s, O2_MODE_C);
+ p->mode_d = i365_get(s, O2_MODE_D);
+ if (s->flags & IS_CARDBUS) {
+ p->mhpg = i365_get(s, O2_MHPG_DMA);
+ p->fifo = i365_get(s, O2_FIFO_ENA);
+ p->mode_e = i365_get(s, O2_MODE_E);
+ }
+}
+
+static void o2micro_set_state(socket_info_t *s)
+{
+ o2micro_state_t *p = &s->state.o2micro;
+ if ((s->revision == 0x34) || (s->revision == 0x62) ||
+ (s->type == IS_OZ6812)) {
+ i365_set(s, O2_MODE_A_2, p->mode_a);
+ i365_set(s, O2_MODE_B_2, p->mode_b);
+ } else {
+ i365_set(s, O2_MODE_A, p->mode_a);
+ i365_set(s, O2_MODE_B, p->mode_b);
+ }
+ i365_set(s, O2_MODE_C, p->mode_c);
+ i365_set(s, O2_MODE_D, p->mode_d);
+ if (s->flags & IS_CARDBUS) {
+ i365_set(s, O2_MHPG_DMA, p->mhpg);
+ i365_set(s, O2_FIFO_ENA, p->fifo);
+ i365_set(s, O2_MODE_E, p->mode_e);
+ }
+}
+
+static u_int __init o2micro_set_opts(socket_info_t *s, char *buf)
+{
+ o2micro_state_t *p = &s->state.o2micro;
+ u_int mask = 0xffff;
+
+ p->mode_b = (p->mode_b & ~O2_MODE_B_IDENT) | O2_MODE_B_ID_CSTEP;
+ flip(p->mode_b, O2_MODE_B_IRQ15_RI, has_ring);
+ p->mode_c &= ~(O2_MODE_C_ZVIDEO | O2_MODE_C_DREQ_MASK);
+ if (s->flags & IS_CARDBUS) {
+ p->mode_d &= ~O2_MODE_D_W97_IRQ;
+ p->mode_e &= ~O2_MODE_E_MHPG_DMA;
+ p->mhpg = O2_MHPG_CINT_ENA | O2_MHPG_CSC_ENA;
+ if (s->revision == 0x34)
+ p->mode_c = 0x20;
+ } else {
+ if (p->mode_b & O2_MODE_B_IRQ15_RI) mask &= ~0x8000;
+ }
+ if (p->mode_b & O2_MODE_B_IRQ15_RI)
+ strcat(buf, " [ring]");
+ if (irq_mode != -1)
+ p->mode_d = irq_mode;
+ if (p->mode_d & O2_MODE_D_ISA_IRQ) {
+ strcat(buf, " [pci+isa]");
+ } else {
+ switch (p->mode_d & O2_MODE_D_IRQ_MODE) {
+ case O2_MODE_D_IRQ_PCPCI:
+ strcat(buf, " [pc/pci]"); break;
+ case O2_MODE_D_IRQ_PCIWAY:
+ strcat(buf, " [pci/way]"); break;
+ case O2_MODE_D_IRQ_PCI:
+ strcat(buf, " [pci only]"); mask = 0; break;
+ }
+ }
+ if (s->flags & IS_CARDBUS) {
+ if (p->mode_d & O2_MODE_D_W97_IRQ)
+ strcat(buf, " [win97]");
+ }
+ return mask;
+}
+
+#endif
+
+/*======================================================================
+
+ Code to save and restore global state information for the Toshiba
+ ToPIC 95 and 97 controllers, and to set and report global
+ configuration options.
+
+======================================================================*/
+
+#ifdef CONFIG_PCI
+
+static void __init topic_get_state(socket_info_t *s)
+{
+ topic_state_t *p = &s->state.topic;
+ pci_readb(s, TOPIC_SLOT_CONTROL, &p->slot);
+ pci_readb(s, TOPIC_CARD_CONTROL, &p->ccr);
+ pci_readb(s, TOPIC_CARD_DETECT, &p->cdr);
+ pci_readl(s, TOPIC_REGISTER_CONTROL, &p->rcr);
+ p->fcr = i365_get(s, TOPIC_FUNCTION_CONTROL);
+}
+
+static void topic_set_state(socket_info_t *s)
+{
+ topic_state_t *p = &s->state.topic;
+ u_int state;
+ pci_writeb(s, TOPIC_SLOT_CONTROL, p->slot);
+ pci_writeb(s, TOPIC_CARD_CONTROL, p->ccr);
+ pci_writeb(s, TOPIC_CARD_DETECT, p->cdr);
+ pci_writel(s, TOPIC_REGISTER_CONTROL, p->rcr);
+ i365_set(s, TOPIC_FUNCTION_CONTROL, p->fcr);
+ state = cb_readl(s, CB_SOCKET_STATE);
+ if (!(state & CB_SS_32BIT))
+ cb_writel(s, CB_SOCKET_CONTROL, 0);
+ if (!(state & CB_SS_VSENSE))
+ cb_writel(s, CB_SOCKET_FORCE, CB_SF_CVSTEST);
+}
+
+static u_int __init topic_set_opts(socket_info_t *s, char *buf)
+{
+ topic_state_t *p = &s->state.topic;
+
+ p->slot |= TOPIC_SLOT_SLOTON|TOPIC_SLOT_SLOTEN;
+ p->slot &= ~TOPIC_SLOT_ID_LOCK;
+ p->cdr |= TOPIC_CDR_MODE_PC32;
+ p->cdr &= ~(TOPIC_CDR_SW_DETECT);
+ p->ccr |= TOPIC97_ICR_IRQSEL;
+ p->fcr |= TOPIC_FCR_3V_ENA;
+ sprintf(buf, " [slot 0x%02x] [ccr 0x%02x] [cdr 0x%02x] [rcr 0x%02x]",
+ p->slot, p->ccr, p->cdr, p->rcr);
+ return 0xffff;
+}
+
+#endif
+
+/*======================================================================
+
+ Routines to handle common CardBus options
+
+======================================================================*/
+
+/* Default settings for PCI command configuration register */
+#define CMD_DFLT (PCI_COMMAND_IO|PCI_COMMAND_MEMORY| \
+ PCI_COMMAND_MASTER|PCI_COMMAND_WAIT)
+
+#ifdef CONFIG_PCI
+
+static void __init cb_get_state(socket_info_t *s)
+{
+ pci_readb(s, PCI_CACHE_LINE_SIZE, &s->cache);
+ pci_readb(s, PCI_LATENCY_TIMER, &s->pci_lat);
+ pci_readb(s, CB_LATENCY_TIMER, &s->cb_lat);
+ pci_readb(s, CB_CARDBUS_BUS, &s->cap.cardbus);
+ pci_readb(s, CB_SUBORD_BUS, &s->sub_bus);
+ pci_readw(s, CB_BRIDGE_CONTROL, &s->bcr);
+ get_pci_irq(s);
+}
+
+static void cb_set_state(socket_info_t *s)
+{
+ pci_set_power_state(pci_find_slot(s->bus, s->devfn), 0);
+ pci_writel(s, CB_LEGACY_MODE_BASE, 0);
+ pci_writel(s, PCI_BASE_ADDRESS_0, s->cb_phys);
+ pci_writew(s, PCI_COMMAND, CMD_DFLT);
+ pci_writeb(s, PCI_CACHE_LINE_SIZE, s->cache);
+ pci_writeb(s, PCI_LATENCY_TIMER, s->pci_lat);
+ pci_writeb(s, CB_LATENCY_TIMER, s->cb_lat);
+ pci_writeb(s, CB_CARDBUS_BUS, s->cap.cardbus);
+ pci_writeb(s, CB_SUBORD_BUS, s->sub_bus);
+ pci_writew(s, CB_BRIDGE_CONTROL, s->bcr);
+}
+
+static int cb_get_irq_mode(socket_info_t *s)
+{
+ return (!(s->bcr & CB_BCR_ISA_IRQ));
+}
+
+static int cb_set_irq_mode(socket_info_t *s, int pcsc, int pint)
+{
+ flip(s->bcr, CB_BCR_ISA_IRQ, !(pint));
+ if (s->flags & IS_CIRRUS)
+ return cirrus_set_irq_mode(s, pcsc, pint);
+ else if (s->flags & IS_TI)
+ return ti113x_set_irq_mode(s, pcsc, pint);
+ /* By default, assume that we can't do ISA status irqs */
+ return (!pcsc);
+}
+
+static void __init cb_set_opts(socket_info_t *s, char *buf)
+{
+ s->bcr |= CB_BCR_WRITE_POST;
+ /* some TI1130's seem to exhibit problems with write posting */
+ if (((s->type == IS_TI1130) && (s->revision == 4) &&
+ (cb_write_post < 0)) || (cb_write_post == 0))
+ s->bcr &= ~CB_BCR_WRITE_POST;
+ if (s->cache == 0) s->cache = 8;
+ if (s->pci_lat == 0) s->pci_lat = 0xa8;
+ if (s->cb_lat == 0) s->cb_lat = 0xb0;
+ if (s->cap.pci_irq == 0)
+ strcat(buf, " [no pci irq]");
+ else
+ sprintf(buf, " [pci irq %d]", s->cap.pci_irq);
+ buf += strlen(buf);
+ if (!(s->flags & IS_TOPIC))
+ s->cap.features |= SS_CAP_PAGE_REGS;
+ sprintf(buf, " [lat %d/%d] [bus %d/%d]",
+ s->pci_lat, s->cb_lat, s->cap.cardbus, s->sub_bus);
+}
+
+#endif
+
+/*======================================================================
+
+ Power control for Cardbus controllers: used both for 16-bit and
+ Cardbus cards.
+
+======================================================================*/
+
+#ifdef CONFIG_PCI
+
+static void cb_get_power(socket_info_t *s, socket_state_t *state)
+{
+ u_int reg = cb_readl(s, CB_SOCKET_CONTROL);
+ state->Vcc = state->Vpp = 0;
+ switch (reg & CB_SC_VCC_MASK) {
+ case CB_SC_VCC_3V: state->Vcc = 33; break;
+ case CB_SC_VCC_5V: state->Vcc = 50; break;
+ }
+ switch (reg & CB_SC_VPP_MASK) {
+ case CB_SC_VPP_3V: state->Vpp = 33; break;
+ case CB_SC_VPP_5V: state->Vpp = 50; break;
+ case CB_SC_VPP_12V: state->Vpp = 120; break;
+ }
+}
+
+static int cb_set_power(socket_info_t *s, socket_state_t *state)
+{
+ u_int reg = 0;
+ /* restart card voltage detection if it seems appropriate */
+ if ((state->Vcc == 0) && (state->Vpp == 0) &&
+ !(cb_readl(s, CB_SOCKET_STATE) & CB_SS_VSENSE))
+ cb_writel(s, CB_SOCKET_FORCE, CB_SF_CVSTEST);
+ switch (state->Vcc) {
+ case 0: reg = 0; break;
+ case 33: reg = CB_SC_VCC_3V; break;
+ case 50: reg = CB_SC_VCC_5V; break;
+ default: return -EINVAL;
+ }
+ switch (state->Vpp) {
+ case 0: 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;
+ default: return -EINVAL;
+ }
+ if (reg != cb_readl(s, CB_SOCKET_CONTROL))
+ cb_writel(s, CB_SOCKET_CONTROL, reg);
+ return 0;
+}
+
+#endif
+
+/*======================================================================
+
+ Generic routines to get and set controller options
+
+======================================================================*/
+
+static void __init get_bridge_state(socket_info_t *s)
+{
+ if (s->flags & IS_CIRRUS)
+ cirrus_get_state(s);
+#ifdef CONFIG_ISA
+ else if (s->flags & IS_VADEM)
+ vg46x_get_state(s);
+#endif
+#ifdef CONFIG_PCI
+ else if (s->flags & IS_O2MICRO)
+ o2micro_get_state(s);
+ else if (s->flags & IS_TI)
+ ti113x_get_state(s);
+ else if (s->flags & IS_RICOH)
+ ricoh_get_state(s);
+ else if (s->flags & IS_TOPIC)
+ topic_get_state(s);
+ if (s->flags & IS_CARDBUS)
+ cb_get_state(s);
+#endif
+}
+
+static void set_bridge_state(socket_info_t *s)
+{
+#ifdef CONFIG_PCI
+ if (s->flags & IS_CARDBUS)
+ cb_set_state(s);
+#endif
+ if (s->flags & IS_CIRRUS) {
+ cirrus_set_state(s);
+ } else {
+ i365_set(s, I365_GBLCTL, 0x00);
+ i365_set(s, I365_GENCTL, 0x00);
+ /* Trouble: changes timing of memory operations */
+ /* i365_bset(s, I365_ADDRWIN, I365_ADDR_MEMCS16); */
+ }
+ i365_bflip(s, I365_INTCTL, I365_INTR_ENA, s->intr);
+#ifdef CONFIG_ISA
+ if (s->flags & IS_VADEM)
+ vg46x_set_state(s);
+#endif
+#ifdef CONFIG_PCI
+ if (s->flags & IS_O2MICRO)
+ o2micro_set_state(s);
+ else if (s->flags & IS_TI)
+ ti113x_set_state(s);
+ else if (s->flags & IS_RICOH)
+ ricoh_set_state(s);
+ else if (s->flags & IS_TOPIC)
+ topic_set_state(s);
+#endif
+}
+
+static u_int __init set_bridge_opts(socket_info_t *s, u_short ns)
+{
+ u_short i;
+ u_int m = 0xffff;
+ char buf[128];
+
+ for (i = 0; i < ns; i++) {
+ if (s[i].flags & IS_ALIVE) {
+ printk(KERN_INFO " host opts [%d]: already alive!\n", i);
+ continue;
+ }
+ buf[0] = '\0';
+ get_bridge_state(s+i);
+ if (s[i].flags & IS_CIRRUS)
+ m = cirrus_set_opts(s+i, buf);
+#ifdef CONFIG_ISA
+ else if (s[i].flags & IS_VADEM)
+ m = vg46x_set_opts(s+i, buf);
+#endif
+#ifdef CONFIG_PCI
+ else if (s[i].flags & IS_O2MICRO)
+ m = o2micro_set_opts(s+i, buf);
+ else if (s[i].flags & IS_TI)
+ m = ti113x_set_opts(s+i, buf);
+ else if (s[i].flags & IS_RICOH)
+ m = ricoh_set_opts(s+i, buf);
+ else if (s[i].flags & IS_TOPIC)
+ m = topic_set_opts(s+i, buf);
+ if (s[i].flags & IS_CARDBUS)
+ cb_set_opts(s+i, buf+strlen(buf));
+#endif
+ set_bridge_state(s+i);
+ printk(KERN_INFO " host opts [%d]:%s\n", i,
+ (*buf) ? buf : " none");
+ }
+#ifdef CONFIG_PCI
+ m &= ~pci_irq_mask;
+#endif
+ return m;
+}
+
+/*======================================================================
+
+ Interrupt testing code, for ISA and PCI interrupts
+
+======================================================================*/
+
+static volatile u_int irq_hits, irq_shared;
+static volatile socket_info_t *irq_sock;
+
+static void irq_count(int irq, void *dev, struct pt_regs *regs)
+{
+ irq_hits++;
+ DEBUG(2, "-> hit on irq %d\n", irq);
+ if (!irq_shared && (irq_hits > 100)) {
+ printk(KERN_INFO " PCI irq %d seems to be wedged!\n", irq);
+ disable_irq(irq);
+ return;
+ }
+#ifdef CONFIG_PCI
+ if (irq_sock->flags & IS_CARDBUS) {
+ cb_writel(irq_sock, CB_SOCKET_EVENT, -1);
+ } else
+#endif
+ i365_get((socket_info_t *)irq_sock, I365_CSC);
+ return;
+}
+
+static u_int __init test_irq(socket_info_t *s, int irq, int pci)
+{
+ u_char csc = (pci) ? 0 : irq;
+
+#ifdef CONFIG_PNP_BIOS
+ extern int check_pnp_irq(int);
+ if (!pci && check_pnp_irq(irq)) return 1;
+#endif
+
+ DEBUG(2, " testing %s irq %d\n", pci ? "PCI" : "ISA", irq);
+ irq_sock = s; irq_shared = irq_hits = 0;
+ if (request_irq(irq, irq_count, 0, "scan", socket)) {
+ irq_shared++;
+ if (!pci || request_irq(irq, irq_count, SA_SHIRQ, "scan", socket))
+ return 1;
+ }
+ irq_hits = 0;
+ __set_current_state(TASK_UNINTERRUPTIBLE);
+ schedule_timeout(HZ/100);
+ if (irq_hits && !irq_shared) {
+ free_irq(irq, socket);
+ DEBUG(2, " spurious hit!\n");
+ return 1;
+ }
+
+ /* Generate one interrupt */
+#ifdef CONFIG_PCI
+ if (s->flags & IS_CARDBUS) {
+ cb_writel(s, CB_SOCKET_EVENT, -1);
+ i365_set(s, I365_CSCINT, I365_CSC_STSCHG | (csc << 4));
+ cb_writel(s, CB_SOCKET_EVENT, -1);
+ cb_writel(s, CB_SOCKET_MASK, CB_SM_CSTSCHG);
+ cb_writel(s, CB_SOCKET_FORCE, CB_SE_CSTSCHG);
+ mdelay(1);
+ cb_writel(s, CB_SOCKET_EVENT, -1);
+ cb_writel(s, CB_SOCKET_MASK, 0);
+ } else
+#endif
+ {
+ i365_set(s, I365_CSCINT, I365_CSC_DETECT | (csc << 4));
+ i365_bset(s, I365_GENCTL, I365_CTL_SW_IRQ);
+ mdelay(1);
+ }
+
+ free_irq(irq, socket);
+
+ /* mask all interrupts */
+ i365_set(s, I365_CSCINT, 0);
+ DEBUG(2, " hits = %d\n", irq_hits);
+
+ return pci ? (irq_hits == 0) : (irq_hits != 1);
+}
+
+#ifdef CONFIG_ISA
+static int _check_irq(int irq, int flags)
+{
+#ifdef CONFIG_PNP_BIOS
+ extern int check_pnp_irq(int);
+ if ((flags != SA_SHIRQ) && check_pnp_irq(irq))
+ return -1;
+#endif
+ if (request_irq(irq, irq_count, flags, "x", irq_count) != 0)
+ return -1;
+ free_irq(irq, irq_count);
+ return 0;
+}
+
+static u_int __init isa_scan(socket_info_t *s, u_int mask0)
+{
+ u_int mask1 = 0;
+ int i;
+
+#ifdef CONFIG_PCI
+ /* Only scan if we can select ISA csc irq's */
+ if (!(s->flags & IS_CARDBUS) || (cb_set_irq_mode(s, 0, 0) == 0))
+#endif
+ if (do_scan) {
+ set_bridge_state(s);
+ i365_set(s, I365_CSCINT, 0);
+ for (i = 0; i < 16; i++)
+ if ((mask0 & (1 << i)) && (test_irq(s, i, 0) == 0))
+ mask1 |= (1 << i);
+ for (i = 0; i < 16; i++)
+ if ((mask1 & (1 << i)) && (test_irq(s, i, 0) != 0))
+ mask1 ^= (1 << i);
+ }
+
+ printk(KERN_INFO " ISA irqs (");
+ /* we trust TI bridges to do this right */
+ if (mask1 || (s->flags & IS_TI)) {
+ printk("scanned");
+ } else {
+ /* Fallback: just find interrupts that aren't in use */
+ for (i = 0; i < 16; i++)
+ if ((mask0 & (1 << i)) && (_check_irq(i, 0) == 0))
+ mask1 |= (1 << i);
+ printk("default");
+ /* If scan failed, default to polled status */
+ if (!cs_irq && (poll_interval == 0)) poll_interval = HZ;
+ }
+ printk(") = ");
+
+ for (i = 0; i < 16; i++)
+ if (mask1 & (1<<i))
+ printk("%s%d", ((mask1 & ((1<<i)-1)) ? "," : ""), i);
+ if (mask1 == 0) printk("none!");
+
+ return mask1;
+}
+#endif /* CONFIG_ISA */
+
+#ifdef CONFIG_PCI
+static int __init pci_scan(socket_info_t *s)
+{
+ int ret;
+ if ((s->flags & IS_RICOH) || !(s->flags & IS_CARDBUS) || !do_scan) {
+ /* for PCI-to-PCMCIA bridges, just check for wedged irq */
+ irq_sock = s; irq_hits = 0;
+ if (request_irq(s->cap.pci_irq, irq_count, 0, "scan", socket))
+ return 1;
+ udelay(50);
+ free_irq(s->cap.pci_irq, socket);
+ return (!irq_hits);
+ }
+ cb_set_irq_mode(s, 1, 0);
+ set_bridge_state(s);
+ i365_set(s, I365_CSCINT, 0);
+ ret = ((test_irq(s, s->cap.pci_irq, 1) == 0) &&
+ (test_irq(s, s->cap.pci_irq, 1) == 0));
+ if (!ret)
+ printk(KERN_INFO " PCI irq %d test failed\n",
+ s->cap.pci_irq);
+ return ret;
+}
+#endif /* CONFIG_PCI */
+
+/*====================================================================*/
+
+#ifdef CONFIG_ISA
+
+static int __init isa_identify(u_short port, u_short sock)
+{
+ socket_info_t *s = socket+sockets;
+ u_char val;
+ int type = -1;
+
+ /* Use the next free entry in the socket table */
+ s->ioaddr = port;
+ s->psock = sock;
+
+ /* Wake up a sleepy Cirrus controller */
+ if (wakeup) {
+ i365_bclr(s, PD67_MISC_CTL_2, PD67_MC2_SUSPEND);
+ /* Pause at least 50 ms */
+ mdelay(50);
+ }
+
+ if ((val = i365_get(s, I365_IDENT)) & 0x70)
+ return -1;
+ switch (val) {
+ case 0x82:
+ type = IS_I82365A; break;
+ case 0x83:
+ type = IS_I82365B; break;
+ case 0x84:
+ type = IS_I82365DF; break;
+ case 0x88: case 0x89: case 0x8a:
+ type = IS_IBM; break;
+ }
+
+ /* Check for Vadem VG-468 chips */
+ outb(0x0e, port);
+ outb(0x37, port);
+ i365_bset(s, VG468_MISC, VG468_MISC_VADEMREV);
+ val = i365_get(s, I365_IDENT);
+ if (val & I365_IDENT_VADEM) {
+ i365_bclr(s, VG468_MISC, VG468_MISC_VADEMREV);
+ type = ((val & 7) >= 4) ? IS_VG469 : IS_VG468;
+ }
+
+ /* Check for Ricoh chips */
+ val = i365_get(s, RF5C_CHIP_ID);
+ if ((val == RF5C_CHIP_RF5C296) || (val == RF5C_CHIP_RF5C396))
+ type = IS_RF5Cx96;
+
+ /* Check for Cirrus CL-PD67xx chips */
+ i365_set(s, PD67_CHIP_INFO, 0);
+ val = i365_get(s, PD67_CHIP_INFO);
+ if ((val & PD67_INFO_CHIP_ID) == PD67_INFO_CHIP_ID) {
+ val = i365_get(s, PD67_CHIP_INFO);
+ if ((val & PD67_INFO_CHIP_ID) == 0) {
+ type = (val & PD67_INFO_SLOTS) ? IS_PD672X : IS_PD6710;
+ i365_set(s, PD67_EXT_INDEX, 0xe5);
+ if (i365_get(s, PD67_EXT_INDEX) != 0xe5)
+ type = IS_VT83C469;
+ }
+ }
+ return type;
+} /* isa_identify */
+
+#endif
+
+/*======================================================================
+
+ 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(socket_info_t *s)
+{
+ u_char stat;
+ u_short start, stop;
+
+ stat = i365_get(s, I365_STATUS);
+ start = i365_get_pair(s, I365_IO(0)+I365_W_START);
+ stop = i365_get_pair(s, I365_IO(0)+I365_W_STOP);
+ if ((stop - start < 0x40) && (stop - start >= 0x07) &&
+ ((start & 0xfeef) != 0x02e8) && (start >= 0x100) &&
+ (stat & I365_CS_DETECT) && (stat & I365_CS_POWERON) &&
+ (i365_get(s, I365_INTCTL) & I365_PC_IOCARD) &&
+ (i365_get(s, I365_ADDRWIN) & I365_ENA_IO(0)) &&
+ (check_region(start, stop-start+1) != 0))
+ return 1;
+ else
+ return 0;
+}
+
+/*====================================================================*/
+
+static void __init add_socket(u_int port, int psock, int type)
+{
+ socket_info_t *s = socket+sockets;
+ s->ioaddr = port;
+ s->psock = psock;
+ s->type = type;
+ s->flags = pcic[type].flags;
+ if (is_alive(s))
+ s->flags |= IS_ALIVE;
+ sockets++;
+}
+
+static void __init add_pcic(int ns, int type)
+{
+ u_int mask = 0, i;
+ int use_pci = 0, isa_irq = 0;
+ socket_info_t *s = &socket[sockets-ns];
+
+ if (s->ioaddr > 0) request_region(s->ioaddr, 2, "i82365");
+
+ printk(KERN_INFO " %s", pcic[type].name);
+#ifdef CONFIG_PCI
+ if (s->flags & IS_UNKNOWN)
+ printk(" [%04x %04x]", s->vendor, s->device);
+ printk(" rev %02x", s->revision);
+ if (s->flags & IS_CARDBUS)
+ printk(" PCI-to-CardBus at slot %02x:%02x, mem %#08x\n",
+ s->bus, PCI_SLOT(s->devfn), s->cb_phys);
+ else if (s->flags & IS_PCI)
+ printk(" PCI-to-PCMCIA at slot %02x:%02x, port %#x\n",
+ s->bus, PCI_SLOT(s->devfn), s->ioaddr);
+ else
+#endif
+ printk(" ISA-to-PCMCIA at port %#x ofs 0x%02x\n",
+ s->ioaddr, s->psock*0x40);
+
+#ifdef CONFIG_ISA
+ if (irq_list[0] == -1)
+ mask = irq_mask;
+ else
+ for (i = mask = 0; i < 16; i++)
+ mask |= (1<<irq_list[i]);
+#endif
+ /* Set host options, build basic interrupt mask */
+ mask &= I365_ISA_IRQ_MASK & set_bridge_opts(s, ns);
+
+#ifdef CONFIG_PCI
+ /* Can we use PCI interrupts for card status changes? */
+ if (pci_csc || pci_int) {
+ for (i = 0; i < ns; i++)
+ if (!s[i].cap.pci_irq || !pci_scan(&s[i])) break;
+ use_pci = (i == ns);
+ }
+#endif
+#ifdef CONFIG_ISA
+ /* Scan, report ISA card interrupts */
+ if (mask)
+ mask = isa_scan(s, mask);
+#endif
+
+#ifdef CONFIG_PCI
+ if (!mask)
+ printk(KERN_INFO " %s card interrupts,",
+ (use_pci && pci_int) ? "PCI" : "*NO*");
+ if (use_pci && pci_csc)
+ printk(" PCI status changes\n");
+#endif
+
+#ifdef CONFIG_ISA
+ /* Poll if only two sensible interrupts available */
+ if (!(use_pci && pci_csc) && !poll_interval) {
+ u_int tmp = (mask & 0xff20);
+ tmp = tmp & (tmp-1);
+ if ((tmp & (tmp-1)) == 0)
+ poll_interval = HZ;
+ }
+ /* Only try an ISA cs_irq if this is the first controller */
+ if (!(use_pci && pci_csc) && !grab_irq &&
+ (cs_irq || !poll_interval)) {
+ /* Avoid irq 12 unless it is explicitly requested */
+ u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12));
+ for (isa_irq = 15; isa_irq > 0; isa_irq--)
+ if (cs_mask & (1 << isa_irq)) break;
+ if (isa_irq) {
+ grab_irq = 1;
+ cs_irq = isa_irq;
+ printk(" status change on irq %d\n", isa_irq);
+ }
+ }
+#endif
+
+ if (!(use_pci && pci_csc) && !isa_irq) {
+ if (poll_interval == 0)
+ poll_interval = HZ;
+ printk(" polling interval = %d ms\n", poll_interval*1000/HZ);
+ }
+
+ /* Update socket interrupt information, capabilities */
+ for (i = 0; i < ns; i++) {
+ s[i].cap.features |= SS_CAP_PCCARD;
+ s[i].cap.map_size = 0x1000;
+ s[i].cap.irq_mask = mask;
+ if (!use_pci)
+ s[i].cap.pci_irq = 0;
+ s[i].cs_irq = isa_irq;
+#ifdef CONFIG_PCI
+ if (s[i].flags & IS_CARDBUS) {
+ s[i].cap.features |= SS_CAP_CARDBUS;
+ cb_set_irq_mode(s+i, pci_csc && s[i].cap.pci_irq, 0);
+ }
+#endif
+ }
+
+} /* add_pcic */
+
+/*====================================================================*/
+
+#ifdef CONFIG_PCI
+
+static int __init pci_lookup(u_int class, struct pci_dev **id,
+ u_char *bus, u_char *devfn)
+{
+ if ((*id = pci_find_class(class<<8, *id)) != NULL) {
+ *bus = (*id)->bus->number;
+ *devfn = (*id)->devfn;
+ return 0;
+ } else return -1;
+}
+
+static void __init add_pci_bridge(int type, u_short v, u_short d)
+{
+ socket_info_t *s = &socket[sockets];
+ u_int addr, ns;
+
+ pci_enable_device(pci_find_slot(s->bus, s->devfn));
+ pci_writew(s, PCI_COMMAND, CMD_DFLT);
+
+ if (type == PCIC_COUNT) type = IS_UNK_PCI;
+ pci_readl(s, PCI_BASE_ADDRESS_0, &addr);
+ addr &= ~0x1;
+ for (ns = 0; ns < ((type == IS_I82092AA) ? 4 : 2); ns++) {
+ s[ns].bus = s->bus; s[ns].devfn = s->devfn;
+ s[ns].vendor = v; s[ns].device = d;
+ add_socket(addr, ns, type);
+ }
+ add_pcic(ns, type);
+}
+
+static int check_cb_mapping(socket_info_t *s)
+{
+ u_int state = cb_readl(s, CB_SOCKET_STATE) >> 16;
+ /* A few sanity checks to validate the bridge mapping */
+ if ((cb_readb(s, 0x800+I365_IDENT) & 0x70) ||
+ (cb_readb(s, 0x800+I365_CSC) && cb_readb(s, 0x800+I365_CSC) &&
+ cb_readb(s, 0x800+I365_CSC)) || cb_readl(s, CB_SOCKET_FORCE) ||
+ ((state & ~0x3000) || !(state & 0x3000)))
+ return 1;
+ return 0;
+}
+
+static void __init add_cb_bridge(int type, u_short v, u_short d0)
+{
+ socket_info_t *s = &socket[sockets];
+ u_char bus = s->bus, devfn = s->devfn;
+ u_short d, ns;
+ u_char a, r, max;
+
+ /* PCI bus enumeration is broken on some systems */
+ for (ns = 0; ns < sockets; ns++)
+ if ((socket[ns].bus == bus) &&
+ (socket[ns].devfn == devfn))
+ return;
+
+ if (type == PCIC_COUNT) type = IS_UNK_CARDBUS;
+ pci_readb(s, PCI_HEADER_TYPE, &a);
+ pci_readb(s, PCI_CLASS_REVISION, &r);
+ max = (a & 0x80) ? 8 : 1;
+ for (ns = 0; ns < max; ns++, s++, devfn++) {
+ s->bus = bus; s->devfn = devfn;
+ if (pci_readw(s, PCI_DEVICE_ID, &d) || (d != d0))
+ break;
+ s->vendor = v; s->device = d; s->revision = r;
+
+ pci_enable_device(pci_find_slot(bus, devfn));
+ pci_set_power_state(pci_find_slot(bus, devfn), 0);
+ pci_writew(s, PCI_COMMAND, CMD_DFLT);
+
+ /* Set up CardBus register mapping */
+ pci_writel(s, CB_LEGACY_MODE_BASE, 0);
+ pci_readl(s, PCI_BASE_ADDRESS_0, &s->cb_phys);
+ if (s->cb_phys == 0) {
+ printk("\n" KERN_NOTICE " Bridge register mapping failed:"
+ " check cb_mem_base setting\n");
+ break;
+ }
+ s->cb_virt = ioremap(s->cb_phys, 0x1000);
+ if (check_cb_mapping(s) != 0) {
+ printk("\n" KERN_NOTICE " Bad bridge mapping at "
+ "0x%08x!\n", s->cb_phys);
+ break;
+ }
+
+ request_mem_region(s->cb_phys, 0x1000, "i82365");
+ add_socket(0, 0, type);
+ }
+ if (ns == 0) return;
+
+ add_pcic(ns, type);
+
+ /* Look up PCI bus bridge structures if needed */
+ s -= ns;
+ for (a = 0; a < ns; a++) {
+ struct pci_dev *self = pci_find_slot(bus, s[a].devfn);
+#if (LINUX_VERSION_CODE >= VERSION(2,3,40))
+ s[a].cap.cb_bus = self->subordinate;
+#else
+ struct pci_bus *child;
+ for (child = self->bus->children; child; child = child->next)
+ if (child->number == s[a].cap.cardbus) break;
+ s[a].cap.cb_bus = child;
+#endif
+ }
+}
+
+static void __init pci_probe(u_int class)
+{
+ socket_info_t *s = &socket[sockets];
+ u_short i, v, d;
+ struct pci_dev *id;
+
+ id = 0;
+ while (pci_lookup(class, &id, &s->bus, &s->devfn) == 0) {
+ if (PCI_FUNC(s->devfn) != 0) continue;
+ pci_readw(s, PCI_VENDOR_ID, &v);
+ pci_readw(s, PCI_DEVICE_ID, &d);
+ for (i = 0; i < PCIC_COUNT; i++)
+ if ((pcic[i].vendor == v) && (pcic[i].device == d)) break;
+ /* The "ToPIC95-A" is unusable as a CardBus bridge */
+ if (i == IS_TOPIC95_A)
+ continue;
+ if (((i < PCIC_COUNT) && (pcic[i].flags & IS_CARDBUS)) ||
+ (class == PCI_CLASS_BRIDGE_CARDBUS))
+ add_cb_bridge(i, v, d);
+ else
+ add_pci_bridge(i, v, d);
+ s = &socket[sockets];
+ }
+}
+
+#endif
+
+/*====================================================================*/
+
+#ifdef CONFIG_ISA
+
+static void __init isa_probe(ioaddr_t base)
+{
+ int i, j, sock, k, ns, id;
+ ioaddr_t port;
+
+ if (check_region(base, 2) != 0) {
+ if (sockets == 0)
+ printk("port conflict at %#x\n", base);
+ return;
+ }
+
+ id = isa_identify(base, 0);
+ if ((id == IS_I82365DF) && (isa_identify(base, 1) != id)) {
+ for (i = 0; i < 4; i++) {
+ if (i == ignore) continue;
+ port = base + ((i & 1) << 2) + ((i & 2) << 1);
+ sock = (i & 1) << 1;
+ if (isa_identify(port, sock) == IS_I82365DF) {
+ add_socket(port, sock, IS_VLSI);
+ add_pcic(1, IS_VLSI);
+ }
+ }
+ } else {
+ for (i = 0; i < 4; i += 2) {
+ port = base + 2*(i>>2);
+ sock = (i & 3);
+ id = isa_identify(port, sock);
+ if (id < 0) continue;
+
+ for (j = ns = 0; j < 2; j++) {
+ /* Does the socket exist? */
+ if ((ignore == i+j) || (isa_identify(port, sock+j) < 0))
+ continue;
+ /* Check for bad socket decode */
+ for (k = 0; k <= sockets; k++)
+ i365_set(socket+k, I365_MEM(0)+I365_W_OFF, k);
+ for (k = 0; k <= sockets; k++)
+ if (i365_get(socket+k, I365_MEM(0)+I365_W_OFF) != k)
+ break;
+ if (k <= sockets) break;
+ add_socket(port, sock+j, id); ns++;
+ }
+ if (ns != 0) add_pcic(ns, id);
+ }
+ }
+}
+
+#endif
+
+/*======================================================================
+
+ The card status event handler. This may either be interrupt
+ driven or polled. It monitors mainly for card insert and eject
+ events; there are various other kinds of events that can be
+ monitored (ready/busy, status change, etc), but they are almost
+ never used.
+
+======================================================================*/
+
+static void pcic_interrupt(int irq, void *dev, struct pt_regs *regs)
+{
+ int i, j, csc;
+ u_int events, active;
+#ifdef CONFIG_ISA
+ u_long flags = 0;
+#endif
+
+ DEBUG(2, "i82365: pcic_interrupt(%d)\n", irq);
+
+ for (j = 0; j < 20; j++) {
+ active = 0;
+ for (i = 0; i < sockets; i++) {
+ socket_info_t *s = &socket[i];
+ if ((s->cs_irq != irq) && (s->cap.pci_irq != irq))
+ continue;
+ ISA_LOCK(s, flags);
+ csc = i365_get(s, I365_CSC);
+#ifdef CONFIG_PCI
+ if ((s->flags & IS_CARDBUS) &&
+ (cb_readl(s, CB_SOCKET_EVENT) & CB_SE_CCD)) {
+ cb_writel(s, CB_SOCKET_EVENT, CB_SE_CCD);
+ csc |= I365_CSC_DETECT;
+ }
+#endif
+ if ((csc == 0) || (!s->handler) ||
+ (i365_get(s, I365_IDENT) & 0x70)) {
+ ISA_UNLOCK(s, flags);
+ continue;
+ }
+ events = (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
+ if (i365_get(s, I365_INTCTL) & I365_PC_IOCARD) {
+ events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
+ } else {
+ events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
+ events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
+ events |= (csc & I365_CSC_READY) ? SS_READY : 0;
+ }
+ ISA_UNLOCK(s, flags);
+ DEBUG(1, "i82365: socket %d event 0x%04x\n", i, events);
+ if (events)
+ s->handler(s->info, events);
+ active |= events;
+ }
+ if (!active) break;
+ }
+ if (j == 20)
+ printk(KERN_NOTICE "i82365: infinite loop in interrupt "
+ "handler: active = 0x%04x\n", active);
+
+ DEBUG(2, "i82365: interrupt done\n");
+} /* pcic_interrupt */
+
+static void pcic_interrupt_wrapper(u_long data)
+{
+ pcic_interrupt(0, NULL, NULL);
+ poll_timer.expires = jiffies + poll_interval;
+ add_timer(&poll_timer);
+}
+
+/*====================================================================*/
+
+static int pcic_register_callback(socket_info_t *s, ss_callback_t *call)
+{
+ if (call == NULL) {
+ s->handler = NULL;
+ MOD_DEC_USE_COUNT;
+ } else {
+ MOD_INC_USE_COUNT;
+ s->handler = call->handler;
+ s->info = call->info;
+ }
+ return 0;
+} /* pcic_register_callback */
+
+/*====================================================================*/
+
+static int pcic_inquire_socket(socket_info_t *s, socket_cap_t *cap)
+{
+ *cap = s->cap;
+ return 0;
+}
+
+/*====================================================================*/
+
+static int i365_get_status(socket_info_t *s, u_int *value)
+{
+ u_int status;
+
+ status = i365_get(s, I365_STATUS);
+ *value = ((status & I365_CS_DETECT) == I365_CS_DETECT)
+ ? SS_DETECT : 0;
+ if (i365_get(s, I365_INTCTL) & I365_PC_IOCARD) {
+ *value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
+ } else {
+ *value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
+ *value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
+ }
+ *value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
+ *value |= (status & I365_CS_READY) ? SS_READY : 0;
+ *value |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
+
+#ifdef CONFIG_PCI
+ if (s->flags & IS_CARDBUS) {
+ status = cb_readl(s, CB_SOCKET_STATE);
+ *value |= (status & CB_SS_32BIT) ? SS_CARDBUS : 0;
+ *value |= (status & CB_SS_3VCARD) ? SS_3VCARD : 0;
+ *value |= (status & CB_SS_XVCARD) ? SS_XVCARD : 0;
+ *value |= (status & CB_SS_VSENSE) ? 0 : SS_PENDING;
+ } else if (s->flags & IS_O2MICRO) {
+ status = i365_get(s, O2_MODE_B);
+ *value |= (status & O2_MODE_B_VS1) ? 0 : SS_3VCARD;
+ *value |= (status & O2_MODE_B_VS2) ? 0 : SS_XVCARD;
+ }
+#endif
+ if ((s->flags & IS_CIRRUS) &&
+ ((s->flags & IS_PCI) || has_vsense)) {
+ socket_info_t *t = (s->psock) ? s : s+1;
+ status = pd67_ext_get(t, PD67_EXTERN_DATA);
+ *value |= (status & PD67_EXD_VS1(s->psock)) ? 0 : SS_3VCARD;
+ *value |= (status & PD67_EXD_VS2(s->psock)) ? 0 : SS_XVCARD;
+ }
+#ifdef CONFIG_ISA
+ if (s->type == IS_VG469) {
+ status = i365_get(s, VG469_VSENSE);
+ if (s->psock & 1) {
+ *value |= (status & VG469_VSENSE_B_VS1) ? 0 : SS_3VCARD;
+ *value |= (status & VG469_VSENSE_B_VS2) ? 0 : SS_XVCARD;
+ } else {
+ *value |= (status & VG469_VSENSE_A_VS1) ? 0 : SS_3VCARD;
+ *value |= (status & VG469_VSENSE_A_VS2) ? 0 : SS_XVCARD;
+ }
+ }
+#endif
+ /* For now, ignore cards with unsupported voltage keys */
+ if (*value & SS_XVCARD)
+ *value &= ~(SS_DETECT|SS_3VCARD|SS_XVCARD);
+ DEBUG(1, "i82365: GetStatus(%d) = %#4.4x\n", s-socket, *value);
+ return 0;
+} /* i365_get_status */
+
+/*====================================================================*/
+
+static int i365_get_socket(socket_info_t *s, socket_state_t *state)
+{
+ u_char reg, vcc, vpp;
+
+ reg = i365_get(s, I365_POWER);
+ state->flags = (reg & I365_PWR_AUTO) ? SS_PWR_AUTO : 0;
+ state->flags |= (reg & I365_PWR_OUT) ? SS_OUTPUT_ENA : 0;
+ vcc = reg & I365_VCC_MASK; vpp = reg & I365_VPP1_MASK;
+ state->Vcc = state->Vpp = 0;
+#ifdef CONFIG_PCI
+ if ((s->flags & IS_CARDBUS) && !(s->flags & IS_TOPIC)) {
+ cb_get_power(s, state);
+ } else
+#endif
+ {
+ if ((s->flags & IS_CIRRUS) && (reg & I365_VCC_5V)) {
+ state->Vcc = (i365_get(s, PD67_MISC_CTL_1) &
+ PD67_MC1_VCC_3V) ? 33 : 50;
+ } else if ((s->flags & IS_VG_PWR) && (reg & I365_VCC_5V)) {
+ state->Vcc = (i365_get(s, VG469_VSELECT) &
+ VG469_VSEL_VCC) ? 33 : 50;
+ } else if ((s->flags & IS_DF_PWR) || (s->flags & IS_TOPIC)) {
+ if (vcc == I365_VCC_3V) state->Vcc = 33;
+ if (vcc == I365_VCC_5V) state->Vcc = 50;
+ } else {
+ if (reg & I365_VCC_5V) state->Vcc = 50;
+ }
+ if (vpp == I365_VPP1_5V)
+ state->Vpp = (s->flags & IS_DF_PWR) ? 50 : state->Vcc;
+ if (vpp == I365_VPP1_12V) state->Vpp = 120;
+ }
+
+ /* IO card, RESET flags, IO interrupt */
+ reg = i365_get(s, I365_INTCTL);
+ state->flags |= (reg & I365_PC_RESET) ? 0 : SS_RESET;
+ state->flags |= (reg & I365_PC_IOCARD) ? SS_IOCARD : 0;
+#ifdef CONFIG_PCI
+ if (cb_get_irq_mode(s) != 0)
+ state->io_irq = s->cap.pci_irq;
+ else
+#endif
+ state->io_irq = reg & I365_IRQ_MASK;
+
+ /* Card status change mask */
+ reg = i365_get(s, I365_CSCINT);
+ state->csc_mask = (reg & I365_CSC_DETECT) ? SS_DETECT : 0;
+ if (state->flags & SS_IOCARD) {
+ state->csc_mask |= (reg & I365_CSC_STSCHG) ? SS_STSCHG : 0;
+ } else {
+ state->csc_mask |= (reg & I365_CSC_BVD1) ? SS_BATDEAD : 0;
+ state->csc_mask |= (reg & I365_CSC_BVD2) ? SS_BATWARN : 0;
+ state->csc_mask |= (reg & I365_CSC_READY) ? SS_READY : 0;
+ }
+
+ DEBUG(2, "i82365: GetSocket(%d) = flags %#3.3x, Vcc %d, Vpp %d, "
+ "io_irq %d, csc_mask %#2.2x\n", s-socket, state->flags,
+ state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
+ return 0;
+} /* i365_get_socket */
+
+/*====================================================================*/
+
+static int i365_set_socket(socket_info_t *s, socket_state_t *state)
+{
+ u_char reg;
+
+ DEBUG(2, "i82365: SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
+ "io_irq %d, csc_mask %#2.2x)\n", s-socket, state->flags,
+ state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
+
+ /* First set global controller options */
+#ifdef CONFIG_PCI
+ if (s->cap.pci_irq)
+ cb_set_irq_mode(s, pci_csc, (s->cap.pci_irq == state->io_irq));
+ s->bcr &= ~CB_BCR_CB_RESET;
+#endif
+ set_bridge_state(s);
+
+ /* IO card, RESET flag, IO interrupt */
+ reg = s->intr | ((state->io_irq == s->cap.pci_irq) ?
+ s->pci_irq_code : state->io_irq);
+ reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
+ reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
+ i365_set(s, I365_INTCTL, reg);
+
+ reg = I365_PWR_NORESET;
+ if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO;
+ if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT;
+
+#ifdef CONFIG_PCI
+ if ((s->flags & IS_CARDBUS) && !(s->flags & IS_TOPIC)) {
+ cb_set_power(s, state);
+ reg |= i365_get(s, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK);
+ } else
+#endif
+ {
+ int new = s->flags & (IS_TOPIC|IS_CIRRUS|IS_VG_PWR|IS_DF_PWR);
+ int vcc3 = (state->Vcc == 33), df = (s->flags & IS_DF_PWR);
+
+ if (state->Vcc == 50) {
+ reg |= I365_VCC_5V;
+ } else if (new && vcc3) {
+ reg |= ((s->flags & (IS_TOPIC|IS_DF_PWR)) ?
+ I365_VCC_3V : I365_VCC_5V);
+ } else if (state->Vcc)
+ return -EINVAL;
+ if (s->flags & IS_CIRRUS)
+ i365_bflip(s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V, vcc3);
+ if (s->flags & IS_VG_PWR)
+ i365_bflip(s, VG469_VSELECT, VG469_VSEL_VCC, vcc3);
+
+ if (state->Vpp == 120) {
+ reg |= I365_VPP1_12V | (new ? 0 : I365_VPP2_12V);
+ } else if (state->Vpp == (df ? 50 : state->Vcc)) {
+ reg |= I365_VPP1_5V | (new ? 0 : I365_VPP2_5V);
+ } else if (state->Vpp)
+ return -EINVAL;
+ }
+
+ if (reg != i365_get(s, I365_POWER))
+ i365_set(s, I365_POWER, reg);
+
+ /* Card status change interrupt mask */
+ reg = (s->cap.pci_irq ? s->pci_irq_code : s->cs_irq) << 4;
+ 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;
+ }
+ i365_set(s, I365_CSCINT, reg);
+ i365_get(s, I365_CSC);
+#ifdef CONFIG_PCI
+ if (s->flags & IS_CARDBUS) {
+ if (s->cs_irq || (pci_csc && s->cap.pci_irq))
+ cb_writel(s, CB_SOCKET_MASK, CB_SM_CCD);
+ cb_writel(s, CB_SOCKET_EVENT, -1);
+ }
+#endif
+
+ return 0;
+} /* i365_set_socket */
+
+/*====================================================================*/
+
+static int i365_get_io_map(socket_info_t *s, struct pccard_io_map *io)
+{
+ u_char map, ioctl, addr;
+
+ map = io->map;
+ if (map > 1) return -EINVAL;
+ io->start = i365_get_pair(s, I365_IO(map)+I365_W_START);
+ io->stop = i365_get_pair(s, I365_IO(map)+I365_W_STOP);
+ ioctl = i365_get(s, I365_IOCTL);
+ addr = i365_get(s, I365_ADDRWIN);
+ io->speed = (ioctl & I365_IOCTL_WAIT(map)) ? cycle_time : 0;
+ io->flags = (addr & I365_ENA_IO(map)) ? MAP_ACTIVE : 0;
+ io->flags |= (ioctl & I365_IOCTL_0WS(map)) ? MAP_0WS : 0;
+ io->flags |= (ioctl & I365_IOCTL_16BIT(map)) ? MAP_16BIT : 0;
+ io->flags |= (ioctl & I365_IOCTL_IOCS16(map)) ? MAP_AUTOSZ : 0;
+ DEBUG(3, "i82365: GetIOMap(%d, %d) = %#2.2x, %d ns, %#4.4x-%#4.4x\n",
+ s-socket, map, io->flags, io->speed, io->start, io->stop);
+ return 0;
+} /* i365_get_io_map */
+
+/*====================================================================*/
+
+static int i365_set_io_map(socket_info_t *s, struct pccard_io_map *io)
+{
+ u_char map, ioctl;
+
+ DEBUG(3, "i82365: SetIOMap(%d, %d, %#2.2x, %d ns, %#4.4x-%#4.4x)\n",
+ s-socket, io->map, io->flags, io->speed, io->start, io->stop);
+ map = io->map;
+ if ((map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) ||
+ (io->stop < io->start)) return -EINVAL;
+ /* Turn off the window before changing anything */
+ if (i365_get(s, I365_ADDRWIN) & I365_ENA_IO(map))
+ i365_bclr(s, I365_ADDRWIN, I365_ENA_IO(map));
+ i365_set_pair(s, I365_IO(map)+I365_W_START, io->start);
+ i365_set_pair(s, I365_IO(map)+I365_W_STOP, io->stop);
+ ioctl = i365_get(s, I365_IOCTL) & ~I365_IOCTL_MASK(map);
+ if (io->speed) ioctl |= I365_IOCTL_WAIT(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);
+ i365_set(s, I365_IOCTL, ioctl);
+ /* Turn on the window if necessary */
+ if (io->flags & MAP_ACTIVE)
+ i365_bset(s, I365_ADDRWIN, I365_ENA_IO(map));
+ return 0;
+} /* i365_set_io_map */
+
+/*====================================================================*/
+
+static int i365_get_mem_map(socket_info_t *s, struct pccard_mem_map *mem)
+{
+ u_short base, i;
+ u_char map, addr;
+
+ map = mem->map;
+ if (map > 4) return -EINVAL;
+ addr = i365_get(s, I365_ADDRWIN);
+ mem->flags = (addr & I365_ENA_MEM(map)) ? MAP_ACTIVE : 0;
+ base = I365_MEM(map);
+
+ i = i365_get_pair(s, base+I365_W_START);
+ mem->flags |= (i & I365_MEM_16BIT) ? MAP_16BIT : 0;
+ mem->flags |= (i & I365_MEM_0WS) ? MAP_0WS : 0;
+ mem->sys_start = ((u_long)(i & 0x0fff) << 12);
+
+ i = i365_get_pair(s, base+I365_W_STOP);
+ mem->speed = (i & I365_MEM_WS0) ? 1 : 0;
+ mem->speed += (i & I365_MEM_WS1) ? 2 : 0;
+ mem->speed *= cycle_time;
+ mem->sys_stop = ((u_long)(i & 0x0fff) << 12) + 0x0fff;
+
+ i = i365_get_pair(s, base+I365_W_OFF);
+ mem->flags |= (i & I365_MEM_WRPROT) ? MAP_WRPROT : 0;
+ mem->flags |= (i & I365_MEM_REG) ? MAP_ATTRIB : 0;
+ mem->card_start = ((u_int)(i & 0x3fff) << 12) + mem->sys_start;
+ mem->card_start &= 0x3ffffff;
+
+#ifdef CONFIG_PCI
+ /* Take care of high byte, for PCI controllers */
+ if (s->type == IS_PD6729) {
+ addr = pd67_ext_get(s, PD67_MEM_PAGE(map)) << 24;
+ mem->sys_stop += addr; mem->sys_start += addr;
+ } else if (s->flags & IS_CARDBUS) {
+ addr = i365_get(s, CB_MEM_PAGE(map)) << 24;
+ mem->sys_stop += addr; mem->sys_start += addr;
+ }
+#endif
+
+ DEBUG(3, "i82365: GetMemMap(%d, %d) = %#2.2x, %d ns, %#5.5lx-%#5."
+ "5lx, %#5.5x\n", s-socket, mem->map, mem->flags, mem->speed,
+ mem->sys_start, mem->sys_stop, mem->card_start);
+ return 0;
+} /* i365_get_mem_map */
+
+/*====================================================================*/
+
+static int i365_set_mem_map(socket_info_t *s, struct pccard_mem_map *mem)
+{
+ u_short base, i;
+ u_char map;
+
+ DEBUG(3, "i82365: SetMemMap(%d, %d, %#2.2x, %d ns, %#5.5lx-%#5.5"
+ "lx, %#5.5x)\n", s-socket, mem->map, mem->flags, mem->speed,
+ mem->sys_start, mem->sys_stop, mem->card_start);
+
+ map = mem->map;
+ if ((map > 4) || (mem->card_start > 0x3ffffff) ||
+ (mem->sys_start > mem->sys_stop) || (mem->speed > 1000))
+ return -EINVAL;
+ if (!(s->flags & (IS_PCI|IS_CARDBUS)) &&
+ ((mem->sys_start > 0xffffff) || (mem->sys_stop > 0xffffff)))
+ return -EINVAL;
+
+ /* Turn off the window before changing anything */
+ if (i365_get(s, I365_ADDRWIN) & I365_ENA_MEM(map))
+ i365_bclr(s, I365_ADDRWIN, I365_ENA_MEM(map));
+
+#ifdef CONFIG_PCI
+ /* Take care of high byte, for PCI controllers */
+ if (s->type == IS_PD6729) {
+ pd67_ext_set(s, PD67_MEM_PAGE(map), (mem->sys_start >> 24));
+ } else if (s->flags & IS_CARDBUS)
+ i365_set(s, CB_MEM_PAGE(map), mem->sys_start >> 24);
+#endif
+
+ base = I365_MEM(map);
+ i = (mem->sys_start >> 12) & 0x0fff;
+ if (mem->flags & MAP_16BIT) i |= I365_MEM_16BIT;
+ if (mem->flags & MAP_0WS) i |= I365_MEM_0WS;
+ i365_set_pair(s, base+I365_W_START, i);
+
+ i = (mem->sys_stop >> 12) & 0x0fff;
+ switch (mem->speed / cycle_time) {
+ 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;
+ }
+ i365_set_pair(s, base+I365_W_STOP, i);
+
+ i = ((mem->card_start - mem->sys_start) >> 12) & 0x3fff;
+ if (mem->flags & MAP_WRPROT) i |= I365_MEM_WRPROT;
+ if (mem->flags & MAP_ATTRIB) i |= I365_MEM_REG;
+ i365_set_pair(s, base+I365_W_OFF, i);
+
+ /* Turn on the window if necessary */
+ if (mem->flags & MAP_ACTIVE)
+ i365_bset(s, I365_ADDRWIN, I365_ENA_MEM(map));
+ return 0;
+} /* i365_set_mem_map */
+
+/*======================================================================
+
+ The few things that are strictly for Cardbus cards goes here.
+
+======================================================================*/
+
+#ifdef CONFIG_CARDBUS
+
+static int cb_get_status(socket_info_t *s, u_int *value)
+{
+ u_int state = cb_readl(s, CB_SOCKET_STATE);
+ *value = (state & CB_SS_32BIT) ? SS_CARDBUS : 0;
+ *value |= (state & CB_SS_CCD) ? 0 : SS_DETECT;
+ *value |= (state & CB_SS_CSTSCHG) ? SS_STSCHG : 0;
+ *value |= (state & CB_SS_PWRCYCLE) ? (SS_POWERON|SS_READY) : 0;
+ *value |= (state & CB_SS_3VCARD) ? SS_3VCARD : 0;
+ *value |= (state & CB_SS_XVCARD) ? SS_XVCARD : 0;
+ *value |= (state & CB_SS_VSENSE) ? 0 : SS_PENDING;
+ DEBUG(1, "yenta: GetStatus(%d) = %#4.4x\n", s-socket, *value);
+ return 0;
+} /* cb_get_status */
+
+static int cb_get_socket(socket_info_t *s, socket_state_t *state)
+{
+ u_short bcr;
+
+ cb_get_power(s, state);
+ pci_readw(s, CB_BRIDGE_CONTROL, &bcr);
+ state->flags |= (bcr & CB_BCR_CB_RESET) ? SS_RESET : 0;
+ if (cb_get_irq_mode(s) != 0)
+ state->io_irq = s->cap.pci_irq;
+ else
+ state->io_irq = i365_get(s, I365_INTCTL) & I365_IRQ_MASK;
+ DEBUG(2, "yenta: GetSocket(%d) = flags %#3.3x, Vcc %d, Vpp %d"
+ ", io_irq %d, csc_mask %#2.2x\n", s-socket, state->flags,
+ state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
+ return 0;
+} /* cb_get_socket */
+
+static int cb_set_socket(socket_info_t *s, socket_state_t *state)
+{
+ u_int reg;
+
+ DEBUG(2, "yenta: SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
+ "io_irq %d, csc_mask %#2.2x)\n", s-socket, state->flags,
+ state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
+
+ /* First set global controller options */
+ if (s->cap.pci_irq)
+ cb_set_irq_mode(s, pci_csc, (s->cap.pci_irq == state->io_irq));
+ s->bcr &= ~CB_BCR_CB_RESET;
+ s->bcr |= (state->flags & SS_RESET) ? CB_BCR_CB_RESET : 0;
+ set_bridge_state(s);
+
+ cb_set_power(s, state);
+
+ /* Handle IO interrupt using ISA routing */
+ reg = s->intr;
+ if (state->io_irq != s->cap.pci_irq) reg |= state->io_irq;
+ i365_set(s, I365_INTCTL, reg);
+
+ /* Handle CSC mask */
+ if (!s->cs_irq && (!pci_csc || !s->cap.pci_irq))
+ return 0;
+ reg = (s->cs_irq << 4);
+ if (state->csc_mask & SS_DETECT) reg |= I365_CSC_DETECT;
+ i365_set(s, I365_CSCINT, reg);
+ i365_get(s, I365_CSC);
+ cb_writel(s, CB_SOCKET_MASK, CB_SM_CCD);
+ cb_writel(s, CB_SOCKET_EVENT, -1);
+
+ return 0;
+} /* cb_set_socket */
+
+static int cb_get_bridge(socket_info_t *s, struct cb_bridge_map *m)
+{
+ u_char map = m->map;
+
+ if (map > 1) return -EINVAL;
+ m->flags &= MAP_IOSPACE;
+ map += (m->flags & MAP_IOSPACE) ? 2 : 0;
+ pci_readl(s, CB_MEM_BASE(map), &m->start);
+ pci_readl(s, CB_MEM_LIMIT(map), &m->stop);
+ if (m->start || m->stop) {
+ m->flags |= MAP_ACTIVE;
+ m->stop |= (map > 1) ? 3 : 0x0fff;
+ }
+ if (map > 1) {
+ u_short bcr;
+ pci_readw(s, CB_BRIDGE_CONTROL, &bcr);
+ m->flags |= (bcr & CB_BCR_PREFETCH(map)) ? MAP_PREFETCH : 0;
+ }
+ DEBUG(3, "yenta: GetBridge(%d, %d) = %#2.2x, %#4.4x-%#4.4x\n",
+ s-socket, map, m->flags, m->start, m->stop);
+ return 0;
+}
+
+static int cb_set_bridge(socket_info_t *s, struct cb_bridge_map *m)
+{
+ u_char map;
+
+ DEBUG(3, "yenta: SetBridge(%d, %d, %#2.2x, %#4.4x-%#4.4x)\n",
+ s-socket, m->map, m->flags, m->start, m->stop);
+ map = m->map;
+ if (!(s->flags & IS_CARDBUS) || (map > 1) || (m->stop < m->start))
+ return -EINVAL;
+ if (m->flags & MAP_IOSPACE) {
+ if ((m->stop > 0xffff) || (m->start & 3) ||
+ ((m->stop & 3) != 3))
+ return -EINVAL;
+ map += 2;
+ } else {
+ if ((m->start & 0x0fff) || ((m->stop & 0x0fff) != 0x0fff))
+ return -EINVAL;
+ s->bcr &= ~CB_BCR_PREFETCH(map);
+ s->bcr |= (m->flags & MAP_PREFETCH) ? CB_BCR_PREFETCH(map) : 0;
+ pci_writew(s, CB_BRIDGE_CONTROL, s->bcr);
+ }
+ if (m->flags & MAP_ACTIVE) {
+ pci_writel(s, CB_MEM_BASE(map), m->start);
+ pci_writel(s, CB_MEM_LIMIT(map), m->stop);
+ } else {
+ pci_writel(s, CB_MEM_LIMIT(map), 0);
+ pci_writel(s, CB_MEM_BASE(map), 0);
+ }
+ return 0;
+}
+
+#endif /* CONFIG_CARDBUS */
+
+/*======================================================================
+
+ Routines for accessing socket information and register dumps via
+ /proc/bus/pccard/...
+
+======================================================================*/
+
+#ifdef HAS_PROC_BUS
+
+static int proc_read_info(char *buf, char **start, off_t pos,
+ int count, int *eof, void *data)
+{
+ socket_info_t *s = data;
+ char *p = buf;
+ p += sprintf(p, "type: %s\npsock: %d\n",
+ pcic[s->type].name, s->psock);
+#ifdef CONFIG_PCI
+ if (s->flags & (IS_PCI|IS_CARDBUS))
+ p += sprintf(p, "bus: %02x\ndevfn: %02x.%1x\n",
+ s->bus, PCI_SLOT(s->devfn), PCI_FUNC(s->devfn));
+ if (s->flags & IS_CARDBUS)
+ p += sprintf(p, "cardbus: %02x\n", s->cap.cardbus);
+#endif
+ return (p - buf);
+}
+
+static int proc_read_exca(char *buf, char **start, off_t pos,
+ int count, int *eof, void *data)
+{
+ socket_info_t *s = data;
+ char *p = buf;
+ int i, top;
+
+#ifdef CONFIG_ISA
+ u_long flags = 0;
+#endif
+ ISA_LOCK(s, flags);
+ top = 0x40;
+ if (s->flags & IS_CARDBUS)
+ top = (s->flags & IS_CIRRUS) ? 0x140 : 0x50;
+ for (i = 0; i < top; i += 4) {
+ if (i == 0x50) {
+ p += sprintf(p, "\n");
+ i = 0x100;
+ }
+ p += sprintf(p, "%02x %02x %02x %02x%s",
+ i365_get(s,i), i365_get(s,i+1),
+ i365_get(s,i+2), i365_get(s,i+3),
+ ((i % 16) == 12) ? "\n" : " ");
+ }
+ ISA_UNLOCK(s, flags);
+ return (p - buf);
+}
+
+#ifdef CONFIG_PCI
+static int proc_read_pci(char *buf, char **start, off_t pos,
+ int count, int *eof, void *data)
+{
+ socket_info_t *s = data;
+ char *p = buf;
+ u_int a, b, c, d;
+ int i;
+
+ for (i = 0; i < 0xc0; i += 0x10) {
+ pci_readl(s, i, &a);
+ pci_readl(s, i+4, &b);
+ pci_readl(s, i+8, &c);
+ pci_readl(s, i+12, &d);
+ p += sprintf(p, "%08x %08x %08x %08x\n", a, b, c, d);
+ }
+ return (p - buf);
+}
+
+static int proc_read_cardbus(char *buf, char **start, off_t pos,
+ int count, int *eof, void *data)
+{
+ socket_info_t *s = data;
+ char *p = buf;
+ int i, top;
+
+ top = (s->flags & IS_O2MICRO) ? 0x30 : 0x20;
+ for (i = 0; i < top; i += 0x10)
+ p += sprintf(p, "%08x %08x %08x %08x\n",
+ cb_readl(s,i+0x00), cb_readl(s,i+0x04),
+ cb_readl(s,i+0x08), cb_readl(s,i+0x0c));
+ return (p - buf);
+}
+#endif
+
+static void pcic_proc_setup(socket_info_t *s, struct proc_dir_entry *base)
+{
+ create_proc_read_entry("info", 0, base, proc_read_info, s);
+ create_proc_read_entry("exca", 0, base, proc_read_exca, s);
+#ifdef CONFIG_PCI
+ if (s->flags & (IS_PCI|IS_CARDBUS))
+ create_proc_read_entry("pci", 0, base, proc_read_pci, s);
+ if (s->flags & IS_CARDBUS)
+ create_proc_read_entry("cardbus", 0, base, proc_read_cardbus, s);
+#endif
+ s->proc = base;
+}
+
+static void pcic_proc_remove(socket_info_t *s)
+{
+ struct proc_dir_entry *base = s->proc;
+ if (base == NULL) return;
+ remove_proc_entry("info", base);
+ remove_proc_entry("exca", base);
+#ifdef CONFIG_PCI
+ if (s->flags & (IS_PCI|IS_CARDBUS))
+ remove_proc_entry("pci", base);
+ if (s->flags & IS_CARDBUS)
+ remove_proc_entry("cardbus", base);
+#endif
+}
+
+#endif /* HAS_PROC_BUS */
+
+/*====================================================================*/
+
+typedef int (*subfn_t)(socket_info_t *, void *);
+
+static subfn_t pcic_service_table[] = {
+ (subfn_t)&pcic_register_callback,
+ (subfn_t)&pcic_inquire_socket,
+ (subfn_t)&i365_get_status,
+ (subfn_t)&i365_get_socket,
+ (subfn_t)&i365_set_socket,
+ (subfn_t)&i365_get_io_map,
+ (subfn_t)&i365_set_io_map,
+ (subfn_t)&i365_get_mem_map,
+ (subfn_t)&i365_set_mem_map,
+#ifdef CONFIG_CARDBUS
+ (subfn_t)&cb_get_bridge,
+ (subfn_t)&cb_set_bridge,
+#else
+ NULL, NULL,
+#endif
+#ifdef HAS_PROC_BUS
+ (subfn_t)&pcic_proc_setup
+#endif
+};
+
+#define NFUNC (sizeof(pcic_service_table)/sizeof(subfn_t))
+
+static int pcic_service(u_int sock, u_int cmd, void *arg)
+{
+ socket_info_t *s = &socket[sock];
+ subfn_t fn;
+ int ret;
+#ifdef CONFIG_ISA
+ u_long flags = 0;
+#endif
+
+ if (cmd >= NFUNC)
+ return -EINVAL;
+
+ if (s->flags & IS_ALIVE) {
+ if (cmd == SS_GetStatus)
+ *(u_int *)arg = 0;
+ return -EINVAL;
+ }
+
+ fn = pcic_service_table[cmd];
+#ifdef CONFIG_CARDBUS
+ if ((s->flags & IS_CARDBUS) &&
+ (cb_readl(s, CB_SOCKET_STATE) & CB_SS_32BIT)) {
+ if (cmd == SS_GetStatus)
+ fn = (subfn_t)&cb_get_status;
+ else if (cmd == SS_GetSocket)
+ fn = (subfn_t)&cb_get_socket;
+ else if (cmd == SS_SetSocket)
+ fn = (subfn_t)&cb_set_socket;
+ }
+#endif
+
+ ISA_LOCK(s, flags);
+ ret = (fn == NULL) ? -EINVAL : fn(s, arg);
+ ISA_UNLOCK(s, flags);
+ return ret;
+} /* pcic_service */
+
+/*====================================================================*/
+
+static int __init init_i82365(void)
+{
+ servinfo_t serv;
+ CardServices(GetCardServicesInfo, &serv);
+ if (serv.Revision != CS_RELEASE_CODE) {
+ printk(KERN_NOTICE "i82365: Card Services release "
+ "does not match!\n");
+ return -EINVAL;
+ }
+ DEBUG(0, "%s\n", version);
+
+#ifdef CONFIG_PCI
+ if (pcic[IS_UNK_CARDBUS].flags != (IS_CARDBUS|IS_UNKNOWN)) {
+ printk(KERN_NOTICE "i82365: bad pcic_id enumeration!\n");
+ return -EINVAL;
+ }
+#endif
+
+ printk(KERN_INFO "Intel ISA/PCI/CardBus PCIC probe:\n");
+ sockets = 0;
+
+#ifdef CONFIG_PCI
+ if (do_pci_probe && pcibios_present()) {
+ pci_probe(PCI_CLASS_BRIDGE_CARDBUS);
+ pci_probe(PCI_CLASS_BRIDGE_PCMCIA);
+ }
+#endif
+
+#ifdef CONFIG_ISA
+ isa_probe(i365_base);
+ if (!sockets || extra_sockets)
+ isa_probe(i365_base+2);
+#endif
+
+ if (sockets == 0) {
+ printk(KERN_INFO " no bridges found.\n");
+ return -ENODEV;
+ }
+
+ /* Set up interrupt handler(s) */
+#ifdef CONFIG_ISA
+ if (grab_irq != 0)
+ request_irq(cs_irq, pcic_interrupt, 0, "i82365", socket);
+#endif
+#ifdef CONFIG_PCI
+ if (pci_csc) {
+ u_int i, irq, mask = 0;
+ for (i = 0; i < sockets; i++) {
+ irq = socket[i].cap.pci_irq;
+ if (irq && !(mask & (1<<irq)))
+ request_irq(irq, pcic_interrupt, SA_SHIRQ, "i82365", socket);
+ mask |= (1<<irq);
+ }
+ }
+#endif
+
+ if (register_ss_entry(sockets, &pcic_service) != 0)
+ printk(KERN_NOTICE "i82365: register_ss_entry() failed\n");
+
+ /* Finally, schedule a polling interrupt */
+ if (poll_interval != 0) {
+ poll_timer.expires = jiffies + poll_interval;
+ add_timer(&poll_timer);
+ }
+
+ return 0;
+
+} /* init_i82365 */
+
+static void __exit exit_i82365(void)
+{
+ int i;
+#ifdef HAS_PROC_BUS
+ for (i = 0; i < sockets; i++)
+ pcic_proc_remove(&socket[i]);
+#endif
+ unregister_ss_entry(&pcic_service);
+ if (poll_interval != 0)
+ del_timer(&poll_timer);
+#ifdef CONFIG_ISA
+ if (grab_irq != 0)
+ free_irq(cs_irq, socket);
+#endif
+#ifdef CONFIG_PCI
+ if (pci_csc) {
+ u_int irq, mask = 0;
+ for (i = 0; i < sockets; i++) {
+ irq = socket[i].cap.pci_irq;
+ if (irq && !(mask & (1<<irq)))
+ free_irq(irq, socket);
+ mask |= (1<<irq);
+ }
+ }
+#endif
+ for (i = 0; i < sockets; i++) {
+ socket_info_t *s = &socket[i];
+ /* Turn off all interrupt sources! */
+ i365_set(s, I365_CSCINT, 0);
+#ifdef CONFIG_PCI
+ if (s->flags & IS_CARDBUS)
+ cb_writel(s, CB_SOCKET_MASK, 0);
+ if (s->cb_virt) {
+ iounmap(s->cb_virt);
+ release_mem_region(s->cb_phys, 0x1000);
+ } else
+#endif
+ release_region(s->ioaddr, 2);
+ }
+} /* exit_i82365 */
+
+module_init(init_i82365);
+module_exit(exit_i82365);
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-10 13:24:21 +0000