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Diffstat (limited to 'package/linux/kernel-source/drivers/pcmcia/bcm4710_generic.c')
-rw-r--r--package/linux/kernel-source/drivers/pcmcia/bcm4710_generic.c912
1 files changed, 912 insertions, 0 deletions
diff --git a/package/linux/kernel-source/drivers/pcmcia/bcm4710_generic.c b/package/linux/kernel-source/drivers/pcmcia/bcm4710_generic.c
new file mode 100644
index 000000000..18eba4679
--- /dev/null
+++ b/package/linux/kernel-source/drivers/pcmcia/bcm4710_generic.c
@@ -0,0 +1,912 @@
+/*
+ *
+ * bcm47xx pcmcia driver
+ *
+ * Copyright 2004, Broadcom Corporation
+ * All Rights Reserved.
+ *
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
+ *
+ * Based on sa1100_generic.c from www.handhelds.org,
+ * and au1000_generic.c from oss.sgi.com.
+ *
+ * $Id$
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/config.h>
+#include <linux/delay.h>
+#include <linux/ioport.h>
+#include <linux/kernel.h>
+#include <linux/tqueue.h>
+#include <linux/timer.h>
+#include <linux/mm.h>
+#include <linux/proc_fs.h>
+#include <linux/version.h>
+#include <linux/types.h>
+#include <linux/vmalloc.h>
+
+#include <pcmcia/version.h>
+#include <pcmcia/cs_types.h>
+#include <pcmcia/cs.h>
+#include <pcmcia/ss.h>
+#include <pcmcia/bulkmem.h>
+#include <pcmcia/cistpl.h>
+#include <pcmcia/bus_ops.h>
+#include "cs_internal.h"
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/system.h>
+
+#include <typedefs.h>
+#include <bcm4710.h>
+#include <sbextif.h>
+
+#include "bcm4710pcmcia.h"
+
+#ifdef PCMCIA_DEBUG
+static int pc_debug = PCMCIA_DEBUG;
+#endif
+
+MODULE_DESCRIPTION("Linux PCMCIA Card Services: bcm47xx Socket Controller");
+
+/* This structure maintains housekeeping state for each socket, such
+ * as the last known values of the card detect pins, or the Card Services
+ * callback value associated with the socket:
+ */
+static struct bcm47xx_pcmcia_socket *pcmcia_socket;
+static int socket_count;
+
+
+/* Returned by the low-level PCMCIA interface: */
+static struct pcmcia_low_level *pcmcia_low_level;
+
+/* Event poll timer structure */
+static struct timer_list poll_timer;
+
+
+/* Prototypes for routines which are used internally: */
+
+static int bcm47xx_pcmcia_driver_init(void);
+static void bcm47xx_pcmcia_driver_shutdown(void);
+static void bcm47xx_pcmcia_task_handler(void *data);
+static void bcm47xx_pcmcia_poll_event(unsigned long data);
+static void bcm47xx_pcmcia_interrupt(int irq, void *dev, struct pt_regs *regs);
+static struct tq_struct bcm47xx_pcmcia_task;
+
+#ifdef CONFIG_PROC_FS
+static int bcm47xx_pcmcia_proc_status(char *buf, char **start,
+ off_t pos, int count, int *eof, void *data);
+#endif
+
+
+/* Prototypes for operations which are exported to the
+ * in-kernel PCMCIA core:
+ */
+
+static int bcm47xx_pcmcia_init(unsigned int sock);
+static int bcm47xx_pcmcia_suspend(unsigned int sock);
+static int bcm47xx_pcmcia_register_callback(unsigned int sock,
+ void (*handler)(void *, unsigned int), void *info);
+static int bcm47xx_pcmcia_inquire_socket(unsigned int sock, socket_cap_t *cap);
+static int bcm47xx_pcmcia_get_status(unsigned int sock, u_int *value);
+static int bcm47xx_pcmcia_get_socket(unsigned int sock, socket_state_t *state);
+static int bcm47xx_pcmcia_set_socket(unsigned int sock, socket_state_t *state);
+static int bcm47xx_pcmcia_get_io_map(unsigned int sock, struct pccard_io_map *io);
+static int bcm47xx_pcmcia_set_io_map(unsigned int sock, struct pccard_io_map *io);
+static int bcm47xx_pcmcia_get_mem_map(unsigned int sock, struct pccard_mem_map *mem);
+static int bcm47xx_pcmcia_set_mem_map(unsigned int sock, struct pccard_mem_map *mem);
+#ifdef CONFIG_PROC_FS
+static void bcm47xx_pcmcia_proc_setup(unsigned int sock, struct proc_dir_entry *base);
+#endif
+
+static struct pccard_operations bcm47xx_pcmcia_operations = {
+ bcm47xx_pcmcia_init,
+ bcm47xx_pcmcia_suspend,
+ bcm47xx_pcmcia_register_callback,
+ bcm47xx_pcmcia_inquire_socket,
+ bcm47xx_pcmcia_get_status,
+ bcm47xx_pcmcia_get_socket,
+ bcm47xx_pcmcia_set_socket,
+ bcm47xx_pcmcia_get_io_map,
+ bcm47xx_pcmcia_set_io_map,
+ bcm47xx_pcmcia_get_mem_map,
+ bcm47xx_pcmcia_set_mem_map,
+#ifdef CONFIG_PROC_FS
+ bcm47xx_pcmcia_proc_setup
+#endif
+};
+
+
+/*
+ * bcm47xx_pcmcia_driver_init()
+ *
+ * This routine performs a basic sanity check to ensure that this
+ * kernel has been built with the appropriate board-specific low-level
+ * PCMCIA support, performs low-level PCMCIA initialization, registers
+ * this socket driver with Card Services, and then spawns the daemon
+ * thread which is the real workhorse of the socket driver.
+ *
+ * Please see linux/Documentation/arm/SA1100/PCMCIA for more information
+ * on the low-level kernel interface.
+ *
+ * Returns: 0 on success, -1 on error
+ */
+static int __init bcm47xx_pcmcia_driver_init(void)
+{
+ servinfo_t info;
+ struct pcmcia_init pcmcia_init;
+ struct pcmcia_state state;
+ unsigned int i;
+ unsigned long tmp;
+
+
+ printk("\nBCM47XX PCMCIA (CS release %s)\n", CS_RELEASE);
+
+ CardServices(GetCardServicesInfo, &info);
+
+ if (info.Revision != CS_RELEASE_CODE) {
+ printk(KERN_ERR "Card Services release codes do not match\n");
+ return -1;
+ }
+
+#ifdef CONFIG_BCM4710
+ pcmcia_low_level=&bcm4710_pcmcia_ops;
+#else
+#error Unsupported Broadcom BCM47XX board.
+#endif
+
+ pcmcia_init.handler=bcm47xx_pcmcia_interrupt;
+
+ if ((socket_count = pcmcia_low_level->init(&pcmcia_init)) < 0) {
+ printk(KERN_ERR "Unable to initialize PCMCIA service.\n");
+ return -EIO;
+ } else {
+ printk("\t%d PCMCIA sockets initialized.\n", socket_count);
+ }
+
+ pcmcia_socket =
+ kmalloc(sizeof(struct bcm47xx_pcmcia_socket) * socket_count,
+ GFP_KERNEL);
+ memset(pcmcia_socket, 0,
+ sizeof(struct bcm47xx_pcmcia_socket) * socket_count);
+ if (!pcmcia_socket) {
+ printk(KERN_ERR "Card Services can't get memory \n");
+ return -1;
+ }
+
+ for (i = 0; i < socket_count; i++) {
+ if (pcmcia_low_level->socket_state(i, &state) < 0) {
+ printk(KERN_ERR "Unable to get PCMCIA status\n");
+ return -EIO;
+ }
+ pcmcia_socket[i].k_state = state;
+ pcmcia_socket[i].cs_state.csc_mask = SS_DETECT;
+
+ if (i == 0) {
+ pcmcia_socket[i].virt_io =
+ (unsigned long)ioremap_nocache(EXTIF_PCMCIA_IOBASE(BCM4710_EXTIF), 0x1000);
+ /* Substract ioport base which gets added by in/out */
+ pcmcia_socket[i].virt_io -= mips_io_port_base;
+ pcmcia_socket[i].phys_attr =
+ (unsigned long)EXTIF_PCMCIA_CFGBASE(BCM4710_EXTIF);
+ pcmcia_socket[i].phys_mem =
+ (unsigned long)EXTIF_PCMCIA_MEMBASE(BCM4710_EXTIF);
+ } else {
+ printk(KERN_ERR "bcm4710: socket 1 not supported\n");
+ return 1;
+ }
+ }
+
+ /* Only advertise as many sockets as we can detect: */
+ if (register_ss_entry(socket_count, &bcm47xx_pcmcia_operations) < 0) {
+ printk(KERN_ERR "Unable to register socket service routine\n");
+ return -ENXIO;
+ }
+
+ /* Start the event poll timer.
+ * It will reschedule by itself afterwards.
+ */
+ bcm47xx_pcmcia_poll_event(0);
+
+ DEBUG(1, "bcm4710: initialization complete\n");
+ return 0;
+
+}
+
+module_init(bcm47xx_pcmcia_driver_init);
+
+
+/*
+ * bcm47xx_pcmcia_driver_shutdown()
+ *
+ * Invokes the low-level kernel service to free IRQs associated with this
+ * socket controller and reset GPIO edge detection.
+ */
+static void __exit bcm47xx_pcmcia_driver_shutdown(void)
+{
+ int i;
+
+ del_timer_sync(&poll_timer);
+ unregister_ss_entry(&bcm47xx_pcmcia_operations);
+ pcmcia_low_level->shutdown();
+ flush_scheduled_tasks();
+ for (i = 0; i < socket_count; i++) {
+ if (pcmcia_socket[i].virt_io)
+ iounmap((void *)pcmcia_socket[i].virt_io);
+ if (pcmcia_socket[i].phys_attr)
+ iounmap((void *)pcmcia_socket[i].phys_attr);
+ if (pcmcia_socket[i].phys_mem)
+ iounmap((void *)pcmcia_socket[i].phys_mem);
+ }
+ DEBUG(1, "bcm4710: shutdown complete\n");
+}
+
+module_exit(bcm47xx_pcmcia_driver_shutdown);
+
+/*
+ * bcm47xx_pcmcia_init()
+ * We perform all of the interesting initialization tasks in
+ * bcm47xx_pcmcia_driver_init().
+ *
+ * Returns: 0
+ */
+static int bcm47xx_pcmcia_init(unsigned int sock)
+{
+ DEBUG(1, "%s(): initializing socket %u\n", __FUNCTION__, sock);
+
+ return 0;
+}
+
+/*
+ * bcm47xx_pcmcia_suspend()
+ *
+ * We don't currently perform any actions on a suspend.
+ *
+ * Returns: 0
+ */
+static int bcm47xx_pcmcia_suspend(unsigned int sock)
+{
+ DEBUG(1, "%s(): suspending socket %u\n", __FUNCTION__, sock);
+
+ return 0;
+}
+
+
+/*
+ * bcm47xx_pcmcia_events()
+ *
+ * Helper routine to generate a Card Services event mask based on
+ * state information obtained from the kernel low-level PCMCIA layer
+ * in a recent (and previous) sampling. Updates `prev_state'.
+ *
+ * Returns: an event mask for the given socket state.
+ */
+static inline unsigned
+bcm47xx_pcmcia_events(struct pcmcia_state *state,
+ struct pcmcia_state *prev_state,
+ unsigned int mask, unsigned int flags)
+{
+ unsigned int events=0;
+
+ if (state->bvd1 != prev_state->bvd1) {
+
+ DEBUG(3, "%s(): card BVD1 value %u\n", __FUNCTION__, state->bvd1);
+
+ events |= mask & (flags & SS_IOCARD) ? SS_STSCHG : SS_BATDEAD;
+ }
+
+ if (state->bvd2 != prev_state->bvd2) {
+
+ DEBUG(3, "%s(): card BVD2 value %u\n", __FUNCTION__, state->bvd2);
+
+ events |= mask & (flags & SS_IOCARD) ? 0 : SS_BATWARN;
+ }
+
+ if (state->detect != prev_state->detect) {
+
+ DEBUG(3, "%s(): card detect value %u\n", __FUNCTION__, state->detect);
+
+ events |= mask & SS_DETECT;
+ }
+
+
+ if (state->ready != prev_state->ready) {
+
+ DEBUG(3, "%s(): card ready value %u\n", __FUNCTION__, state->ready);
+
+ events |= mask & ((flags & SS_IOCARD) ? 0 : SS_READY);
+ }
+
+ if (events != 0) {
+ DEBUG(2, "events: %s%s%s%s%s\n",
+ (events & SS_DETECT) ? "DETECT " : "",
+ (events & SS_READY) ? "READY " : "",
+ (events & SS_BATDEAD) ? "BATDEAD " : "",
+ (events & SS_BATWARN) ? "BATWARN " : "",
+ (events & SS_STSCHG) ? "STSCHG " : "");
+ }
+
+ *prev_state=*state;
+ return events;
+}
+
+
+/*
+ * bcm47xx_pcmcia_task_handler()
+ *
+ * Processes serviceable socket events using the "eventd" thread context.
+ *
+ * Event processing (specifically, the invocation of the Card Services event
+ * callback) occurs in this thread rather than in the actual interrupt
+ * handler due to the use of scheduling operations in the PCMCIA core.
+ */
+static void bcm47xx_pcmcia_task_handler(void *data)
+{
+ struct pcmcia_state state;
+ int i, events, irq_status;
+
+ DEBUG(4, "%s(): entering PCMCIA monitoring thread\n", __FUNCTION__);
+
+ for (i = 0; i < socket_count; i++) {
+ if ((irq_status = pcmcia_low_level->socket_state(i, &state)) < 0)
+ printk(KERN_ERR "Error in kernel low-level PCMCIA service.\n");
+
+ events = bcm47xx_pcmcia_events(&state,
+ &pcmcia_socket[i].k_state,
+ pcmcia_socket[i].cs_state.csc_mask,
+ pcmcia_socket[i].cs_state.flags);
+
+ if (pcmcia_socket[i].handler != NULL) {
+ pcmcia_socket[i].handler(pcmcia_socket[i].handler_info,
+ events);
+ }
+ }
+}
+
+static struct tq_struct bcm47xx_pcmcia_task = {
+ routine: bcm47xx_pcmcia_task_handler
+};
+
+
+/*
+ * bcm47xx_pcmcia_poll_event()
+ *
+ * Let's poll for events in addition to IRQs since IRQ only is unreliable...
+ */
+static void bcm47xx_pcmcia_poll_event(unsigned long dummy)
+{
+ DEBUG(4, "%s(): polling for events\n", __FUNCTION__);
+
+ poll_timer.function = bcm47xx_pcmcia_poll_event;
+ poll_timer.expires = jiffies + BCM47XX_PCMCIA_POLL_PERIOD;
+ add_timer(&poll_timer);
+ schedule_task(&bcm47xx_pcmcia_task);
+}
+
+
+/*
+ * bcm47xx_pcmcia_interrupt()
+ *
+ * Service routine for socket driver interrupts (requested by the
+ * low-level PCMCIA init() operation via bcm47xx_pcmcia_thread()).
+ *
+ * The actual interrupt-servicing work is performed by
+ * bcm47xx_pcmcia_task(), largely because the Card Services event-
+ * handling code performs scheduling operations which cannot be
+ * executed from within an interrupt context.
+ */
+static void
+bcm47xx_pcmcia_interrupt(int irq, void *dev, struct pt_regs *regs)
+{
+ DEBUG(3, "%s(): servicing IRQ %d\n", __FUNCTION__, irq);
+ schedule_task(&bcm47xx_pcmcia_task);
+}
+
+
+/*
+ * bcm47xx_pcmcia_register_callback()
+ *
+ * Implements the register_callback() operation for the in-kernel
+ * PCMCIA service (formerly SS_RegisterCallback in Card Services). If
+ * the function pointer `handler' is not NULL, remember the callback
+ * location in the state for `sock', and increment the usage counter
+ * for the driver module. (The callback is invoked from the interrupt
+ * service routine, bcm47xx_pcmcia_interrupt(), to notify Card Services
+ * of interesting events.) Otherwise, clear the callback pointer in the
+ * socket state and decrement the module usage count.
+ *
+ * Returns: 0
+ */
+static int
+bcm47xx_pcmcia_register_callback(unsigned int sock,
+ void (*handler)(void *, unsigned int), void *info)
+{
+ if (handler == NULL) {
+ pcmcia_socket[sock].handler = NULL;
+ MOD_DEC_USE_COUNT;
+ } else {
+ MOD_INC_USE_COUNT;
+ pcmcia_socket[sock].handler = handler;
+ pcmcia_socket[sock].handler_info = info;
+ }
+ return 0;
+}
+
+
+/*
+ * bcm47xx_pcmcia_inquire_socket()
+ *
+ * Implements the inquire_socket() operation for the in-kernel PCMCIA
+ * service (formerly SS_InquireSocket in Card Services). Of note is
+ * the setting of the SS_CAP_PAGE_REGS bit in the `features' field of
+ * `cap' to "trick" Card Services into tolerating large "I/O memory"
+ * addresses. Also set is SS_CAP_STATIC_MAP, which disables the memory
+ * resource database check. (Mapped memory is set up within the socket
+ * driver itself.)
+ *
+ * In conjunction with the STATIC_MAP capability is a new field,
+ * `io_offset', recommended by David Hinds. Rather than go through
+ * the SetIOMap interface (which is not quite suited for communicating
+ * window locations up from the socket driver), we just pass up
+ * an offset which is applied to client-requested base I/O addresses
+ * in alloc_io_space().
+ *
+ * Returns: 0 on success, -1 if no pin has been configured for `sock'
+ */
+static int
+bcm47xx_pcmcia_inquire_socket(unsigned int sock, socket_cap_t *cap)
+{
+ struct pcmcia_irq_info irq_info;
+
+ if (sock >= socket_count) {
+ printk(KERN_ERR "bcm47xx: socket %u not configured\n", sock);
+ return -1;
+ }
+
+ /* SS_CAP_PAGE_REGS: used by setup_cis_mem() in cistpl.c to set the
+ * force_low argument to validate_mem() in rsrc_mgr.c -- since in
+ * general, the mapped * addresses of the PCMCIA memory regions
+ * will not be within 0xffff, setting force_low would be
+ * undesirable.
+ *
+ * SS_CAP_STATIC_MAP: don't bother with the (user-configured) memory
+ * resource database; we instead pass up physical address ranges
+ * and allow other parts of Card Services to deal with remapping.
+ *
+ * SS_CAP_PCCARD: we can deal with 16-bit PCMCIA & CF cards, but
+ * not 32-bit CardBus devices.
+ */
+ cap->features = (SS_CAP_PAGE_REGS | SS_CAP_STATIC_MAP | SS_CAP_PCCARD);
+
+ irq_info.sock = sock;
+ irq_info.irq = -1;
+
+ if (pcmcia_low_level->get_irq_info(&irq_info) < 0) {
+ printk(KERN_ERR "Error obtaining IRQ info socket %u\n", sock);
+ return -1;
+ }
+
+ cap->irq_mask = 0;
+ cap->map_size = PAGE_SIZE;
+ cap->pci_irq = irq_info.irq;
+ cap->io_offset = pcmcia_socket[sock].virt_io;
+
+ return 0;
+}
+
+
+/*
+ * bcm47xx_pcmcia_get_status()
+ *
+ * Implements the get_status() operation for the in-kernel PCMCIA
+ * service (formerly SS_GetStatus in Card Services). Essentially just
+ * fills in bits in `status' according to internal driver state or
+ * the value of the voltage detect chipselect register.
+ *
+ * As a debugging note, during card startup, the PCMCIA core issues
+ * three set_socket() commands in a row the first with RESET deasserted,
+ * the second with RESET asserted, and the last with RESET deasserted
+ * again. Following the third set_socket(), a get_status() command will
+ * be issued. The kernel is looking for the SS_READY flag (see
+ * setup_socket(), reset_socket(), and unreset_socket() in cs.c).
+ *
+ * Returns: 0
+ */
+static int
+bcm47xx_pcmcia_get_status(unsigned int sock, unsigned int *status)
+{
+ struct pcmcia_state state;
+
+
+ if ((pcmcia_low_level->socket_state(sock, &state)) < 0) {
+ printk(KERN_ERR "Unable to get PCMCIA status from kernel.\n");
+ return -1;
+ }
+
+ pcmcia_socket[sock].k_state = state;
+
+ *status = state.detect ? SS_DETECT : 0;
+
+ *status |= state.ready ? SS_READY : 0;
+
+ /* The power status of individual sockets is not available
+ * explicitly from the hardware, so we just remember the state
+ * and regurgitate it upon request:
+ */
+ *status |= pcmcia_socket[sock].cs_state.Vcc ? SS_POWERON : 0;
+
+ if (pcmcia_socket[sock].cs_state.flags & SS_IOCARD)
+ *status |= state.bvd1 ? SS_STSCHG : 0;
+ else {
+ if (state.bvd1 == 0)
+ *status |= SS_BATDEAD;
+ else if (state.bvd2 == 0)
+ *status |= SS_BATWARN;
+ }
+
+ *status |= state.vs_3v ? SS_3VCARD : 0;
+
+ *status |= state.vs_Xv ? SS_XVCARD : 0;
+
+ DEBUG(2, "\tstatus: %s%s%s%s%s%s%s%s\n",
+ (*status&SS_DETECT)?"DETECT ":"",
+ (*status&SS_READY)?"READY ":"",
+ (*status&SS_BATDEAD)?"BATDEAD ":"",
+ (*status&SS_BATWARN)?"BATWARN ":"",
+ (*status&SS_POWERON)?"POWERON ":"",
+ (*status&SS_STSCHG)?"STSCHG ":"",
+ (*status&SS_3VCARD)?"3VCARD ":"",
+ (*status&SS_XVCARD)?"XVCARD ":"");
+
+ return 0;
+}
+
+
+/*
+ * bcm47xx_pcmcia_get_socket()
+ *
+ * Implements the get_socket() operation for the in-kernel PCMCIA
+ * service (formerly SS_GetSocket in Card Services). Not a very
+ * exciting routine.
+ *
+ * Returns: 0
+ */
+static int
+bcm47xx_pcmcia_get_socket(unsigned int sock, socket_state_t *state)
+{
+ DEBUG(2, "%s() for sock %u\n", __FUNCTION__, sock);
+
+ /* This information was given to us in an earlier call to set_socket(),
+ * so we're just regurgitating it here:
+ */
+ *state = pcmcia_socket[sock].cs_state;
+ return 0;
+}
+
+
+/*
+ * bcm47xx_pcmcia_set_socket()
+ *
+ * Implements the set_socket() operation for the in-kernel PCMCIA
+ * service (formerly SS_SetSocket in Card Services). We more or
+ * less punt all of this work and let the kernel handle the details
+ * of power configuration, reset, &c. We also record the value of
+ * `state' in order to regurgitate it to the PCMCIA core later.
+ *
+ * Returns: 0
+ */
+static int
+bcm47xx_pcmcia_set_socket(unsigned int sock, socket_state_t *state)
+{
+ struct pcmcia_configure configure;
+
+ DEBUG(2, "\tmask: %s%s%s%s%s%s\n\tflags: %s%s%s%s%s%s\n"
+ "\tVcc %d Vpp %d irq %d\n",
+ (state->csc_mask == 0) ? "<NONE>" : "",
+ (state->csc_mask & SS_DETECT) ? "DETECT " : "",
+ (state->csc_mask & SS_READY) ? "READY " : "",
+ (state->csc_mask & SS_BATDEAD) ? "BATDEAD " : "",
+ (state->csc_mask & SS_BATWARN) ? "BATWARN " : "",
+ (state->csc_mask & SS_STSCHG) ? "STSCHG " : "",
+ (state->flags == 0) ? "<NONE>" : "",
+ (state->flags & SS_PWR_AUTO) ? "PWR_AUTO " : "",
+ (state->flags & SS_IOCARD) ? "IOCARD " : "",
+ (state->flags & SS_RESET) ? "RESET " : "",
+ (state->flags & SS_SPKR_ENA) ? "SPKR_ENA " : "",
+ (state->flags & SS_OUTPUT_ENA) ? "OUTPUT_ENA " : "",
+ state->Vcc, state->Vpp, state->io_irq);
+
+ configure.sock = sock;
+ configure.vcc = state->Vcc;
+ configure.vpp = state->Vpp;
+ configure.output = (state->flags & SS_OUTPUT_ENA) ? 1 : 0;
+ configure.speaker = (state->flags & SS_SPKR_ENA) ? 1 : 0;
+ configure.reset = (state->flags & SS_RESET) ? 1 : 0;
+
+ if (pcmcia_low_level->configure_socket(&configure) < 0) {
+ printk(KERN_ERR "Unable to configure socket %u\n", sock);
+ return -1;
+ }
+
+ pcmcia_socket[sock].cs_state = *state;
+ return 0;
+}
+
+
+/*
+ * bcm47xx_pcmcia_get_io_map()
+ *
+ * Implements the get_io_map() operation for the in-kernel PCMCIA
+ * service (formerly SS_GetIOMap in Card Services). Just returns an
+ * I/O map descriptor which was assigned earlier by a set_io_map().
+ *
+ * Returns: 0 on success, -1 if the map index was out of range
+ */
+static int
+bcm47xx_pcmcia_get_io_map(unsigned int sock, struct pccard_io_map *map)
+{
+ DEBUG(2, "bcm47xx_pcmcia_get_io_map: sock %d\n", sock);
+
+ if (map->map >= MAX_IO_WIN) {
+ printk(KERN_ERR "%s(): map (%d) out of range\n",
+ __FUNCTION__, map->map);
+ return -1;
+ }
+
+ *map = pcmcia_socket[sock].io_map[map->map];
+ return 0;
+}
+
+
+/*
+ * bcm47xx_pcmcia_set_io_map()
+ *
+ * Implements the set_io_map() operation for the in-kernel PCMCIA
+ * service (formerly SS_SetIOMap in Card Services). We configure
+ * the map speed as requested, but override the address ranges
+ * supplied by Card Services.
+ *
+ * Returns: 0 on success, -1 on error
+ */
+int
+bcm47xx_pcmcia_set_io_map(unsigned int sock, struct pccard_io_map *map)
+{
+ unsigned int speed;
+ unsigned long start;
+
+ DEBUG(2, "\tmap %u speed %u\n\tstart 0x%08lx stop 0x%08lx\n"
+ "\tflags: %s%s%s%s%s%s%s%s\n",
+ map->map, map->speed, map->start, map->stop,
+ (map->flags == 0) ? "<NONE>" : "",
+ (map->flags & MAP_ACTIVE) ? "ACTIVE " : "",
+ (map->flags & MAP_16BIT) ? "16BIT " : "",
+ (map->flags & MAP_AUTOSZ) ? "AUTOSZ " : "",
+ (map->flags & MAP_0WS) ? "0WS " : "",
+ (map->flags & MAP_WRPROT) ? "WRPROT " : "",
+ (map->flags & MAP_USE_WAIT) ? "USE_WAIT " : "",
+ (map->flags & MAP_PREFETCH) ? "PREFETCH " : "");
+
+ if (map->map >= MAX_IO_WIN) {
+ printk(KERN_ERR "%s(): map (%d) out of range\n",
+ __FUNCTION__, map->map);
+ return -1;
+ }
+
+ if (map->flags & MAP_ACTIVE) {
+ speed = (map->speed > 0) ? map->speed : BCM47XX_PCMCIA_IO_SPEED;
+ pcmcia_socket[sock].speed_io = speed;
+ }
+
+ start = map->start;
+
+ if (map->stop == 1) {
+ map->stop = PAGE_SIZE - 1;
+ }
+
+ map->start = pcmcia_socket[sock].virt_io;
+ map->stop = map->start + (map->stop - start);
+ pcmcia_socket[sock].io_map[map->map] = *map;
+ DEBUG(2, "set_io_map %d start %x stop %x\n",
+ map->map, map->start, map->stop);
+ return 0;
+}
+
+
+/*
+ * bcm47xx_pcmcia_get_mem_map()
+ *
+ * Implements the get_mem_map() operation for the in-kernel PCMCIA
+ * service (formerly SS_GetMemMap in Card Services). Just returns a
+ * memory map descriptor which was assigned earlier by a
+ * set_mem_map() request.
+ *
+ * Returns: 0 on success, -1 if the map index was out of range
+ */
+static int
+bcm47xx_pcmcia_get_mem_map(unsigned int sock, struct pccard_mem_map *map)
+{
+ DEBUG(2, "%s() for sock %u\n", __FUNCTION__, sock);
+
+ if (map->map >= MAX_WIN) {
+ printk(KERN_ERR "%s(): map (%d) out of range\n",
+ __FUNCTION__, map->map);
+ return -1;
+ }
+
+ *map = pcmcia_socket[sock].mem_map[map->map];
+ return 0;
+}
+
+
+/*
+ * bcm47xx_pcmcia_set_mem_map()
+ *
+ * Implements the set_mem_map() operation for the in-kernel PCMCIA
+ * service (formerly SS_SetMemMap in Card Services). We configure
+ * the map speed as requested, but override the address ranges
+ * supplied by Card Services.
+ *
+ * Returns: 0 on success, -1 on error
+ */
+static int
+bcm47xx_pcmcia_set_mem_map(unsigned int sock, struct pccard_mem_map *map)
+{
+ unsigned int speed;
+ unsigned long start;
+ u_long flags;
+
+ if (map->map >= MAX_WIN) {
+ printk(KERN_ERR "%s(): map (%d) out of range\n",
+ __FUNCTION__, map->map);
+ return -1;
+ }
+
+ DEBUG(2, "\tmap %u speed %u\n\tsys_start %#lx\n"
+ "\tsys_stop %#lx\n\tcard_start %#x\n"
+ "\tflags: %s%s%s%s%s%s%s%s\n",
+ map->map, map->speed, map->sys_start, map->sys_stop,
+ map->card_start, (map->flags == 0) ? "<NONE>" : "",
+ (map->flags & MAP_ACTIVE) ? "ACTIVE " : "",
+ (map->flags & MAP_16BIT) ? "16BIT " : "",
+ (map->flags & MAP_AUTOSZ) ? "AUTOSZ " : "",
+ (map->flags & MAP_0WS) ? "0WS " : "",
+ (map->flags & MAP_WRPROT) ? "WRPROT " : "",
+ (map->flags & MAP_ATTRIB) ? "ATTRIB " : "",
+ (map->flags & MAP_USE_WAIT) ? "USE_WAIT " : "");
+
+ if (map->flags & MAP_ACTIVE) {
+ /* When clients issue RequestMap, the access speed is not always
+ * properly configured:
+ */
+ speed = (map->speed > 0) ? map->speed : BCM47XX_PCMCIA_MEM_SPEED;
+
+ /* TBD */
+ if (map->flags & MAP_ATTRIB) {
+ pcmcia_socket[sock].speed_attr = speed;
+ } else {
+ pcmcia_socket[sock].speed_mem = speed;
+ }
+ }
+
+ save_flags(flags);
+ cli();
+ start = map->sys_start;
+
+ if (map->sys_stop == 0)
+ map->sys_stop = PAGE_SIZE - 1;
+
+ if (map->flags & MAP_ATTRIB) {
+ map->sys_start = pcmcia_socket[sock].phys_attr +
+ map->card_start;
+ } else {
+ map->sys_start = pcmcia_socket[sock].phys_mem +
+ map->card_start;
+ }
+
+ map->sys_stop = map->sys_start + (map->sys_stop - start);
+ pcmcia_socket[sock].mem_map[map->map] = *map;
+ restore_flags(flags);
+ DEBUG(2, "set_mem_map %d start %x stop %x card_start %x\n",
+ map->map, map->sys_start, map->sys_stop,
+ map->card_start);
+ return 0;
+}
+
+
+#if defined(CONFIG_PROC_FS)
+
+/*
+ * bcm47xx_pcmcia_proc_setup()
+ *
+ * Implements the proc_setup() operation for the in-kernel PCMCIA
+ * service (formerly SS_ProcSetup in Card Services).
+ *
+ * Returns: 0 on success, -1 on error
+ */
+static void
+bcm47xx_pcmcia_proc_setup(unsigned int sock, struct proc_dir_entry *base)
+{
+ struct proc_dir_entry *entry;
+
+ if ((entry = create_proc_entry("status", 0, base)) == NULL) {
+ printk(KERN_ERR "Unable to install \"status\" procfs entry\n");
+ return;
+ }
+
+ entry->read_proc = bcm47xx_pcmcia_proc_status;
+ entry->data = (void *)sock;
+}
+
+
+/*
+ * bcm47xx_pcmcia_proc_status()
+ *
+ * Implements the /proc/bus/pccard/??/status file.
+ *
+ * Returns: the number of characters added to the buffer
+ */
+static int
+bcm47xx_pcmcia_proc_status(char *buf, char **start, off_t pos,
+ int count, int *eof, void *data)
+{
+ char *p = buf;
+ unsigned int sock = (unsigned int)data;
+
+ p += sprintf(p, "k_flags : %s%s%s%s%s%s%s\n",
+ pcmcia_socket[sock].k_state.detect ? "detect " : "",
+ pcmcia_socket[sock].k_state.ready ? "ready " : "",
+ pcmcia_socket[sock].k_state.bvd1 ? "bvd1 " : "",
+ pcmcia_socket[sock].k_state.bvd2 ? "bvd2 " : "",
+ pcmcia_socket[sock].k_state.wrprot ? "wrprot " : "",
+ pcmcia_socket[sock].k_state.vs_3v ? "vs_3v " : "",
+ pcmcia_socket[sock].k_state.vs_Xv ? "vs_Xv " : "");
+
+ p += sprintf(p, "status : %s%s%s%s%s%s%s%s%s\n",
+ pcmcia_socket[sock].k_state.detect ? "SS_DETECT " : "",
+ pcmcia_socket[sock].k_state.ready ? "SS_READY " : "",
+ pcmcia_socket[sock].cs_state.Vcc ? "SS_POWERON " : "",
+ pcmcia_socket[sock].cs_state.flags & SS_IOCARD ? "SS_IOCARD " : "",
+ (pcmcia_socket[sock].cs_state.flags & SS_IOCARD &&
+ pcmcia_socket[sock].k_state.bvd1) ? "SS_STSCHG " : "",
+ ((pcmcia_socket[sock].cs_state.flags & SS_IOCARD) == 0 &&
+ (pcmcia_socket[sock].k_state.bvd1 == 0)) ? "SS_BATDEAD " : "",
+ ((pcmcia_socket[sock].cs_state.flags & SS_IOCARD) == 0 &&
+ (pcmcia_socket[sock].k_state.bvd2 == 0)) ? "SS_BATWARN " : "",
+ pcmcia_socket[sock].k_state.vs_3v ? "SS_3VCARD " : "",
+ pcmcia_socket[sock].k_state.vs_Xv ? "SS_XVCARD " : "");
+
+ p += sprintf(p, "mask : %s%s%s%s%s\n",
+ pcmcia_socket[sock].cs_state.csc_mask & SS_DETECT ? "SS_DETECT " : "",
+ pcmcia_socket[sock].cs_state.csc_mask & SS_READY ? "SS_READY " : "",
+ pcmcia_socket[sock].cs_state.csc_mask & SS_BATDEAD ? "SS_BATDEAD " : "",
+ pcmcia_socket[sock].cs_state.csc_mask & SS_BATWARN ? "SS_BATWARN " : "",
+ pcmcia_socket[sock].cs_state.csc_mask & SS_STSCHG ? "SS_STSCHG " : "");
+
+ p += sprintf(p, "cs_flags : %s%s%s%s%s\n",
+ pcmcia_socket[sock].cs_state.flags & SS_PWR_AUTO ?
+ "SS_PWR_AUTO " : "",
+ pcmcia_socket[sock].cs_state.flags & SS_IOCARD ?
+ "SS_IOCARD " : "",
+ pcmcia_socket[sock].cs_state.flags & SS_RESET ?
+ "SS_RESET " : "",
+ pcmcia_socket[sock].cs_state.flags & SS_SPKR_ENA ?
+ "SS_SPKR_ENA " : "",
+ pcmcia_socket[sock].cs_state.flags & SS_OUTPUT_ENA ?
+ "SS_OUTPUT_ENA " : "");
+
+ p += sprintf(p, "Vcc : %d\n", pcmcia_socket[sock].cs_state.Vcc);
+ p += sprintf(p, "Vpp : %d\n", pcmcia_socket[sock].cs_state.Vpp);
+ p += sprintf(p, "irq : %d\n", pcmcia_socket[sock].cs_state.io_irq);
+ p += sprintf(p, "I/O : %u\n", pcmcia_socket[sock].speed_io);
+ p += sprintf(p, "attribute: %u\n", pcmcia_socket[sock].speed_attr);
+ p += sprintf(p, "common : %u\n", pcmcia_socket[sock].speed_mem);
+ return p-buf;
+}
+
+
+#endif /* defined(CONFIG_PROC_FS) */