diff options
Diffstat (limited to 'openwrt/package/linux/kernel-source/drivers/pcmcia/bcm4710_generic.c')
| -rw-r--r-- | openwrt/package/linux/kernel-source/drivers/pcmcia/bcm4710_generic.c | 912 |
1 files changed, 0 insertions, 912 deletions
diff --git a/openwrt/package/linux/kernel-source/drivers/pcmcia/bcm4710_generic.c b/openwrt/package/linux/kernel-source/drivers/pcmcia/bcm4710_generic.c deleted file mode 100644 index 18eba4679..000000000 --- a/openwrt/package/linux/kernel-source/drivers/pcmcia/bcm4710_generic.c +++ /dev/null @@ -1,912 +0,0 @@ -/* - * - * 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) */ |