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path: root/drivers/pcmcia/au1000_generic.c
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Diffstat (limited to 'drivers/pcmcia/au1000_generic.c')
-rw-r--r--drivers/pcmcia/au1000_generic.c545
1 files changed, 0 insertions, 545 deletions
diff --git a/drivers/pcmcia/au1000_generic.c b/drivers/pcmcia/au1000_generic.c
deleted file mode 100644
index 95dd7c62741..00000000000
--- a/drivers/pcmcia/au1000_generic.c
+++ /dev/null
@@ -1,545 +0,0 @@
-/*
- *
- * Alchemy Semi Au1000 pcmcia driver
- *
- * Copyright 2001-2003 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ppopov@embeddedalley.com or source@mvista.com
- *
- * Copyright 2004 Pete Popov, Embedded Alley Solutions, Inc.
- * Updated the driver to 2.6. Followed the sa11xx API and largely
- * copied many of the hardware independent functions.
- *
- * ########################################################################
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * ########################################################################
- *
- *
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/init.h>
-#include <linux/cpufreq.h>
-#include <linux/ioport.h>
-#include <linux/kernel.h>
-#include <linux/timer.h>
-#include <linux/mm.h>
-#include <linux/notifier.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#include <linux/mutex.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/system.h>
-
-#include <asm/mach-au1x00/au1000.h>
-#include "au1000_generic.h"
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Pete Popov <ppopov@embeddedalley.com>");
-MODULE_DESCRIPTION("Linux PCMCIA Card Services: Au1x00 Socket Controller");
-
-#if 0
-#define debug(x,args...) printk(KERN_DEBUG "%s: " x, __func__ , ##args)
-#else
-#define debug(x,args...)
-#endif
-
-#define MAP_SIZE 0x100000
-extern struct au1000_pcmcia_socket au1000_pcmcia_socket[];
-#define PCMCIA_SOCKET(x) (au1000_pcmcia_socket + (x))
-#define to_au1000_socket(x) container_of(x, struct au1000_pcmcia_socket, socket)
-
-/* Some boards like to support CF cards as IDE root devices, so they
- * grab pcmcia sockets directly.
- */
-u32 *pcmcia_base_vaddrs[2];
-extern const unsigned long mips_io_port_base;
-
-static DEFINE_MUTEX(pcmcia_sockets_lock);
-
-static int (*au1x00_pcmcia_hw_init[])(struct device *dev) = {
- au1x_board_init,
-};
-
-static int
-au1x00_pcmcia_skt_state(struct au1000_pcmcia_socket *skt)
-{
- struct pcmcia_state state;
- unsigned int stat;
-
- memset(&state, 0, sizeof(struct pcmcia_state));
-
- skt->ops->socket_state(skt, &state);
-
- stat = state.detect ? SS_DETECT : 0;
- stat |= state.ready ? SS_READY : 0;
- stat |= state.wrprot ? SS_WRPROT : 0;
- stat |= state.vs_3v ? SS_3VCARD : 0;
- stat |= state.vs_Xv ? SS_XVCARD : 0;
- stat |= skt->cs_state.Vcc ? SS_POWERON : 0;
-
- if (skt->cs_state.flags & SS_IOCARD)
- stat |= state.bvd1 ? SS_STSCHG : 0;
- else {
- if (state.bvd1 == 0)
- stat |= SS_BATDEAD;
- else if (state.bvd2 == 0)
- stat |= SS_BATWARN;
- }
- return stat;
-}
-
-/*
- * au100_pcmcia_config_skt
- *
- * Convert PCMCIA socket state to our socket configure structure.
- */
-static int
-au1x00_pcmcia_config_skt(struct au1000_pcmcia_socket *skt, socket_state_t *state)
-{
- int ret;
-
- ret = skt->ops->configure_socket(skt, state);
- if (ret == 0) {
- skt->cs_state = *state;
- }
-
- if (ret < 0)
- debug("unable to configure socket %d\n", skt->nr);
-
- return ret;
-}
-
-/* au1x00_pcmcia_sock_init()
- *
- * (Re-)Initialise the socket, turning on status interrupts
- * and PCMCIA bus. This must wait for power to stabilise
- * so that the card status signals report correctly.
- *
- * Returns: 0
- */
-static int au1x00_pcmcia_sock_init(struct pcmcia_socket *sock)
-{
- struct au1000_pcmcia_socket *skt = to_au1000_socket(sock);
-
- debug("initializing socket %u\n", skt->nr);
-
- skt->ops->socket_init(skt);
- return 0;
-}
-
-/*
- * au1x00_pcmcia_suspend()
- *
- * Remove power on the socket, disable IRQs from the card.
- * Turn off status interrupts, and disable the PCMCIA bus.
- *
- * Returns: 0
- */
-static int au1x00_pcmcia_suspend(struct pcmcia_socket *sock)
-{
- struct au1000_pcmcia_socket *skt = to_au1000_socket(sock);
-
- debug("suspending socket %u\n", skt->nr);
-
- skt->ops->socket_suspend(skt);
-
- return 0;
-}
-
-static DEFINE_SPINLOCK(status_lock);
-
-/*
- * au1x00_check_status()
- */
-static void au1x00_check_status(struct au1000_pcmcia_socket *skt)
-{
- unsigned int events;
-
- debug("entering PCMCIA monitoring thread\n");
-
- do {
- unsigned int status;
- unsigned long flags;
-
- status = au1x00_pcmcia_skt_state(skt);
-
- spin_lock_irqsave(&status_lock, flags);
- events = (status ^ skt->status) & skt->cs_state.csc_mask;
- skt->status = status;
- spin_unlock_irqrestore(&status_lock, flags);
-
- debug("events: %s%s%s%s%s%s\n",
- events == 0 ? "<NONE>" : "",
- events & SS_DETECT ? "DETECT " : "",
- events & SS_READY ? "READY " : "",
- events & SS_BATDEAD ? "BATDEAD " : "",
- events & SS_BATWARN ? "BATWARN " : "",
- events & SS_STSCHG ? "STSCHG " : "");
-
- if (events)
- pcmcia_parse_events(&skt->socket, events);
- } while (events);
-}
-
-/*
- * au1x00_pcmcia_poll_event()
- * Let's poll for events in addition to IRQs since IRQ only is unreliable...
- */
-static void au1x00_pcmcia_poll_event(unsigned long dummy)
-{
- struct au1000_pcmcia_socket *skt = (struct au1000_pcmcia_socket *)dummy;
- debug("polling for events\n");
-
- mod_timer(&skt->poll_timer, jiffies + AU1000_PCMCIA_POLL_PERIOD);
-
- au1x00_check_status(skt);
-}
-
-/* au1x00_pcmcia_get_status()
- *
- * From the sa11xx_core.c:
- * 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
-au1x00_pcmcia_get_status(struct pcmcia_socket *sock, unsigned int *status)
-{
- struct au1000_pcmcia_socket *skt = to_au1000_socket(sock);
-
- skt->status = au1x00_pcmcia_skt_state(skt);
- *status = skt->status;
-
- return 0;
-}
-
-/* au1x00_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
-au1x00_pcmcia_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
-{
- struct au1000_pcmcia_socket *skt = to_au1000_socket(sock);
-
- debug("for sock %u\n", skt->nr);
-
- debug("\tmask: %s%s%s%s%s%s\n\tflags: %s%s%s%s%s%s\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 ":"");
- debug("\tVcc %d Vpp %d irq %d\n",
- state->Vcc, state->Vpp, state->io_irq);
-
- return au1x00_pcmcia_config_skt(skt, state);
-}
-
-int
-au1x00_pcmcia_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *map)
-{
- struct au1000_pcmcia_socket *skt = to_au1000_socket(sock);
- unsigned int speed;
-
- if(map->map>=MAX_IO_WIN){
- debug("map (%d) out of range\n", map->map);
- return -1;
- }
-
- if(map->flags&MAP_ACTIVE){
- speed=(map->speed>0)?map->speed:AU1000_PCMCIA_IO_SPEED;
- skt->spd_io[map->map] = speed;
- }
-
- map->start=(unsigned int)(u32)skt->virt_io;
- map->stop=map->start+MAP_SIZE;
- return 0;
-
-} /* au1x00_pcmcia_set_io_map() */
-
-
-static int
-au1x00_pcmcia_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *map)
-{
- struct au1000_pcmcia_socket *skt = to_au1000_socket(sock);
- unsigned short speed = map->speed;
-
- if(map->map>=MAX_WIN){
- debug("map (%d) out of range\n", map->map);
- return -1;
- }
-
- if (map->flags & MAP_ATTRIB) {
- skt->spd_attr[map->map] = speed;
- skt->spd_mem[map->map] = 0;
- } else {
- skt->spd_attr[map->map] = 0;
- skt->spd_mem[map->map] = speed;
- }
-
- if (map->flags & MAP_ATTRIB) {
- map->static_start = skt->phys_attr + map->card_start;
- }
- else {
- map->static_start = skt->phys_mem + map->card_start;
- }
-
- debug("set_mem_map %d start %08lx card_start %08x\n",
- map->map, map->static_start, map->card_start);
- return 0;
-
-} /* au1x00_pcmcia_set_mem_map() */
-
-static struct pccard_operations au1x00_pcmcia_operations = {
- .init = au1x00_pcmcia_sock_init,
- .suspend = au1x00_pcmcia_suspend,
- .get_status = au1x00_pcmcia_get_status,
- .set_socket = au1x00_pcmcia_set_socket,
- .set_io_map = au1x00_pcmcia_set_io_map,
- .set_mem_map = au1x00_pcmcia_set_mem_map,
-};
-
-static const char *skt_names[] = {
- "PCMCIA socket 0",
- "PCMCIA socket 1",
-};
-
-struct skt_dev_info {
- int nskt;
-};
-
-int au1x00_pcmcia_socket_probe(struct device *dev, struct pcmcia_low_level *ops, int first, int nr)
-{
- struct skt_dev_info *sinfo;
- struct au1000_pcmcia_socket *skt;
- int ret, i;
-
- sinfo = kzalloc(sizeof(struct skt_dev_info), GFP_KERNEL);
- if (!sinfo) {
- ret = -ENOMEM;
- goto out;
- }
-
- sinfo->nskt = nr;
-
- /*
- * Initialise the per-socket structure.
- */
- for (i = 0; i < nr; i++) {
- skt = PCMCIA_SOCKET(i);
- memset(skt, 0, sizeof(*skt));
-
- skt->socket.resource_ops = &pccard_static_ops;
- skt->socket.ops = &au1x00_pcmcia_operations;
- skt->socket.owner = ops->owner;
- skt->socket.dev.parent = dev;
-
- init_timer(&skt->poll_timer);
- skt->poll_timer.function = au1x00_pcmcia_poll_event;
- skt->poll_timer.data = (unsigned long)skt;
- skt->poll_timer.expires = jiffies + AU1000_PCMCIA_POLL_PERIOD;
-
- skt->nr = first + i;
- skt->irq = 255;
- skt->dev = dev;
- skt->ops = ops;
-
- skt->res_skt.name = skt_names[skt->nr];
- skt->res_io.name = "io";
- skt->res_io.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
- skt->res_mem.name = "memory";
- skt->res_mem.flags = IORESOURCE_MEM;
- skt->res_attr.name = "attribute";
- skt->res_attr.flags = IORESOURCE_MEM;
-
- /*
- * PCMCIA client drivers use the inb/outb macros to access the
- * IO registers. Since mips_io_port_base is added to the
- * access address of the mips implementation of inb/outb,
- * we need to subtract it here because we want to access the
- * I/O or MEM address directly, without going through this
- * "mips_io_port_base" mechanism.
- */
- if (i == 0) {
- skt->virt_io = (void *)
- (ioremap((phys_t)AU1X_SOCK0_IO, 0x1000) -
- (u32)mips_io_port_base);
- skt->phys_attr = AU1X_SOCK0_PHYS_ATTR;
- skt->phys_mem = AU1X_SOCK0_PHYS_MEM;
- }
- else {
- skt->virt_io = (void *)
- (ioremap((phys_t)AU1X_SOCK1_IO, 0x1000) -
- (u32)mips_io_port_base);
- skt->phys_attr = AU1X_SOCK1_PHYS_ATTR;
- skt->phys_mem = AU1X_SOCK1_PHYS_MEM;
- }
- pcmcia_base_vaddrs[i] = (u32 *)skt->virt_io;
- ret = ops->hw_init(skt);
-
- skt->socket.features = SS_CAP_STATIC_MAP|SS_CAP_PCCARD;
- skt->socket.irq_mask = 0;
- skt->socket.map_size = MAP_SIZE;
- skt->socket.pci_irq = skt->irq;
- skt->socket.io_offset = (unsigned long)skt->virt_io;
-
- skt->status = au1x00_pcmcia_skt_state(skt);
-
- ret = pcmcia_register_socket(&skt->socket);
- if (ret)
- goto out_err;
-
- WARN_ON(skt->socket.sock != i);
-
- add_timer(&skt->poll_timer);
- }
-
- dev_set_drvdata(dev, sinfo);
- return 0;
-
-
-out_err:
- ops->hw_shutdown(skt);
- while (i-- > 0) {
- skt = PCMCIA_SOCKET(i);
-
- del_timer_sync(&skt->poll_timer);
- pcmcia_unregister_socket(&skt->socket);
- if (i == 0) {
- iounmap(skt->virt_io + (u32)mips_io_port_base);
- skt->virt_io = NULL;
- }
-#ifndef CONFIG_MIPS_XXS1500
- else {
- iounmap(skt->virt_io + (u32)mips_io_port_base);
- skt->virt_io = NULL;
- }
-#endif
- ops->hw_shutdown(skt);
-
- }
- kfree(sinfo);
-out:
- return ret;
-}
-
-int au1x00_drv_pcmcia_remove(struct platform_device *dev)
-{
- struct skt_dev_info *sinfo = platform_get_drvdata(dev);
- int i;
-
- mutex_lock(&pcmcia_sockets_lock);
- platform_set_drvdata(dev, NULL);
-
- for (i = 0; i < sinfo->nskt; i++) {
- struct au1000_pcmcia_socket *skt = PCMCIA_SOCKET(i);
-
- del_timer_sync(&skt->poll_timer);
- pcmcia_unregister_socket(&skt->socket);
- skt->ops->hw_shutdown(skt);
- au1x00_pcmcia_config_skt(skt, &dead_socket);
- iounmap(skt->virt_io + (u32)mips_io_port_base);
- skt->virt_io = NULL;
- }
-
- kfree(sinfo);
- mutex_unlock(&pcmcia_sockets_lock);
- return 0;
-}
-
-
-/*
- * PCMCIA "Driver" API
- */
-
-static int au1x00_drv_pcmcia_probe(struct platform_device *dev)
-{
- int i, ret = -ENODEV;
-
- mutex_lock(&pcmcia_sockets_lock);
- for (i=0; i < ARRAY_SIZE(au1x00_pcmcia_hw_init); i++) {
- ret = au1x00_pcmcia_hw_init[i](&dev->dev);
- if (ret == 0)
- break;
- }
- mutex_unlock(&pcmcia_sockets_lock);
- return ret;
-}
-
-static struct platform_driver au1x00_pcmcia_driver = {
- .driver = {
- .name = "au1x00-pcmcia",
- .owner = THIS_MODULE,
- },
- .probe = au1x00_drv_pcmcia_probe,
- .remove = au1x00_drv_pcmcia_remove,
-};
-
-
-/* au1x00_pcmcia_init()
- *
- * This routine performs low-level PCMCIA initialization and then
- * registers this socket driver with Card Services.
- *
- * Returns: 0 on success, -ve error code on failure
- */
-static int __init au1x00_pcmcia_init(void)
-{
- int error = 0;
- error = platform_driver_register(&au1x00_pcmcia_driver);
- return error;
-}
-
-/* au1x00_pcmcia_exit()
- * Invokes the low-level kernel service to free IRQs associated with this
- * socket controller and reset GPIO edge detection.
- */
-static void __exit au1x00_pcmcia_exit(void)
-{
- platform_driver_unregister(&au1x00_pcmcia_driver);
-}
-
-module_init(au1x00_pcmcia_init);
-module_exit(au1x00_pcmcia_exit);