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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/mtd/maps/pcmciamtd.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/mtd/maps/pcmciamtd.c')
-rw-r--r--drivers/mtd/maps/pcmciamtd.c753
1 files changed, 753 insertions, 0 deletions
diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c
new file mode 100644
index 0000000000..2ac79e1ced
--- /dev/null
+++ b/drivers/mtd/maps/pcmciamtd.c
@@ -0,0 +1,753 @@
+/*
+ * pcmciamtd.c - MTD driver for PCMCIA flash memory cards
+ *
+ * Author: Simon Evans <spse@secret.org.uk>
+ *
+ * Copyright (C) 2002 Simon Evans
+ *
+ * Licence: GPL
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <asm/io.h>
+
+#include <pcmcia/cistpl.h>
+#include <pcmcia/ds.h>
+
+#include <linux/mtd/map.h>
+#include <linux/mtd/mtd.h>
+
+#define info(format, arg...) printk(KERN_INFO "pcmciamtd: " format "\n" , ## arg)
+
+#define DRIVER_DESC "PCMCIA Flash memory card driver"
+
+/* Size of the PCMCIA address space: 26 bits = 64 MB */
+#define MAX_PCMCIA_ADDR 0x4000000
+
+struct pcmciamtd_dev {
+ struct pcmcia_device *p_dev;
+ void __iomem *win_base; /* ioremapped address of PCMCIA window */
+ unsigned int win_size; /* size of window */
+ unsigned int offset; /* offset into card the window currently points at */
+ struct map_info pcmcia_map;
+ struct mtd_info *mtd_info;
+ int vpp;
+ char mtd_name[sizeof(struct cistpl_vers_1_t)];
+};
+
+
+/* Module parameters */
+
+/* 2 = do 16-bit transfers, 1 = do 8-bit transfers */
+static int bankwidth = 2;
+
+/* Speed of memory accesses, in ns */
+static int mem_speed;
+
+/* Force the size of an SRAM card */
+static int force_size;
+
+/* Force Vpp */
+static int vpp;
+
+/* Set Vpp */
+static int setvpp;
+
+/* Force card to be treated as FLASH, ROM or RAM */
+static int mem_type;
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Simon Evans <spse@secret.org.uk>");
+MODULE_DESCRIPTION(DRIVER_DESC);
+module_param(bankwidth, int, 0);
+MODULE_PARM_DESC(bankwidth, "Set bankwidth (1=8 bit, 2=16 bit, default=2)");
+module_param(mem_speed, int, 0);
+MODULE_PARM_DESC(mem_speed, "Set memory access speed in ns");
+module_param(force_size, int, 0);
+MODULE_PARM_DESC(force_size, "Force size of card in MiB (1-64)");
+module_param(setvpp, int, 0);
+MODULE_PARM_DESC(setvpp, "Set Vpp (0=Never, 1=On writes, 2=Always on, default=0)");
+module_param(vpp, int, 0);
+MODULE_PARM_DESC(vpp, "Vpp value in 1/10ths eg 33=3.3V 120=12V (Dangerous)");
+module_param(mem_type, int, 0);
+MODULE_PARM_DESC(mem_type, "Set Memory type (0=Flash, 1=RAM, 2=ROM, default=0)");
+
+
+/* read/write{8,16} copy_{from,to} routines with window remapping
+ * to access whole card
+ */
+static void __iomem *remap_window(struct map_info *map, unsigned long to)
+{
+ struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
+ struct resource *win = (struct resource *) map->map_priv_2;
+ unsigned int offset;
+ int ret;
+
+ if (!pcmcia_dev_present(dev->p_dev)) {
+ pr_debug("device removed\n");
+ return NULL;
+ }
+
+ offset = to & ~(dev->win_size-1);
+ if (offset != dev->offset) {
+ pr_debug("Remapping window from 0x%8.8x to 0x%8.8x\n",
+ dev->offset, offset);
+ ret = pcmcia_map_mem_page(dev->p_dev, win, offset);
+ if (ret != 0)
+ return NULL;
+ dev->offset = offset;
+ }
+ return dev->win_base + (to & (dev->win_size-1));
+}
+
+
+static map_word pcmcia_read8_remap(struct map_info *map, unsigned long ofs)
+{
+ void __iomem *addr;
+ map_word d = {{0}};
+
+ addr = remap_window(map, ofs);
+ if(!addr)
+ return d;
+
+ d.x[0] = readb(addr);
+ pr_debug("ofs = 0x%08lx (%p) data = 0x%02lx\n", ofs, addr, d.x[0]);
+ return d;
+}
+
+
+static map_word pcmcia_read16_remap(struct map_info *map, unsigned long ofs)
+{
+ void __iomem *addr;
+ map_word d = {{0}};
+
+ addr = remap_window(map, ofs);
+ if(!addr)
+ return d;
+
+ d.x[0] = readw(addr);
+ pr_debug("ofs = 0x%08lx (%p) data = 0x%04lx\n", ofs, addr, d.x[0]);
+ return d;
+}
+
+
+static void pcmcia_copy_from_remap(struct map_info *map, void *to, unsigned long from, ssize_t len)
+{
+ struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
+ unsigned long win_size = dev->win_size;
+
+ pr_debug("to = %p from = %lu len = %zd\n", to, from, len);
+ while(len) {
+ int toread = win_size - (from & (win_size-1));
+ void __iomem *addr;
+
+ if(toread > len)
+ toread = len;
+
+ addr = remap_window(map, from);
+ if(!addr)
+ return;
+
+ pr_debug("memcpy from %p to %p len = %d\n", addr, to, toread);
+ memcpy_fromio(to, addr, toread);
+ len -= toread;
+ to += toread;
+ from += toread;
+ }
+}
+
+
+static void pcmcia_write8_remap(struct map_info *map, map_word d, unsigned long adr)
+{
+ void __iomem *addr = remap_window(map, adr);
+
+ if(!addr)
+ return;
+
+ pr_debug("adr = 0x%08lx (%p) data = 0x%02lx\n", adr, addr, d.x[0]);
+ writeb(d.x[0], addr);
+}
+
+
+static void pcmcia_write16_remap(struct map_info *map, map_word d, unsigned long adr)
+{
+ void __iomem *addr = remap_window(map, adr);
+ if(!addr)
+ return;
+
+ pr_debug("adr = 0x%08lx (%p) data = 0x%04lx\n", adr, addr, d.x[0]);
+ writew(d.x[0], addr);
+}
+
+
+static void pcmcia_copy_to_remap(struct map_info *map, unsigned long to, const void *from, ssize_t len)
+{
+ struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
+ unsigned long win_size = dev->win_size;
+
+ pr_debug("to = %lu from = %p len = %zd\n", to, from, len);
+ while(len) {
+ int towrite = win_size - (to & (win_size-1));
+ void __iomem *addr;
+
+ if(towrite > len)
+ towrite = len;
+
+ addr = remap_window(map, to);
+ if(!addr)
+ return;
+
+ pr_debug("memcpy from %p to %p len = %d\n", from, addr, towrite);
+ memcpy_toio(addr, from, towrite);
+ len -= towrite;
+ to += towrite;
+ from += towrite;
+ }
+}
+
+
+/* read/write{8,16} copy_{from,to} routines with direct access */
+
+#define DEV_REMOVED(x) (!(pcmcia_dev_present(((struct pcmciamtd_dev *)map->map_priv_1)->p_dev)))
+
+static map_word pcmcia_read8(struct map_info *map, unsigned long ofs)
+{
+ void __iomem *win_base = (void __iomem *)map->map_priv_2;
+ map_word d = {{0}};
+
+ if(DEV_REMOVED(map))
+ return d;
+
+ d.x[0] = readb(win_base + ofs);
+ pr_debug("ofs = 0x%08lx (%p) data = 0x%02lx\n",
+ ofs, win_base + ofs, d.x[0]);
+ return d;
+}
+
+
+static map_word pcmcia_read16(struct map_info *map, unsigned long ofs)
+{
+ void __iomem *win_base = (void __iomem *)map->map_priv_2;
+ map_word d = {{0}};
+
+ if(DEV_REMOVED(map))
+ return d;
+
+ d.x[0] = readw(win_base + ofs);
+ pr_debug("ofs = 0x%08lx (%p) data = 0x%04lx\n",
+ ofs, win_base + ofs, d.x[0]);
+ return d;
+}
+
+
+static void pcmcia_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
+{
+ void __iomem *win_base = (void __iomem *)map->map_priv_2;
+
+ if(DEV_REMOVED(map))
+ return;
+
+ pr_debug("to = %p from = %lu len = %zd\n", to, from, len);
+ memcpy_fromio(to, win_base + from, len);
+}
+
+
+static void pcmcia_write8(struct map_info *map, map_word d, unsigned long adr)
+{
+ void __iomem *win_base = (void __iomem *)map->map_priv_2;
+
+ if(DEV_REMOVED(map))
+ return;
+
+ pr_debug("adr = 0x%08lx (%p) data = 0x%02lx\n",
+ adr, win_base + adr, d.x[0]);
+ writeb(d.x[0], win_base + adr);
+}
+
+
+static void pcmcia_write16(struct map_info *map, map_word d, unsigned long adr)
+{
+ void __iomem *win_base = (void __iomem *)map->map_priv_2;
+
+ if(DEV_REMOVED(map))
+ return;
+
+ pr_debug("adr = 0x%08lx (%p) data = 0x%04lx\n",
+ adr, win_base + adr, d.x[0]);
+ writew(d.x[0], win_base + adr);
+}
+
+
+static void pcmcia_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
+{
+ void __iomem *win_base = (void __iomem *)map->map_priv_2;
+
+ if(DEV_REMOVED(map))
+ return;
+
+ pr_debug("to = %lu from = %p len = %zd\n", to, from, len);
+ memcpy_toio(win_base + to, from, len);
+}
+
+
+static DEFINE_MUTEX(pcmcia_vpp_lock);
+static int pcmcia_vpp_refcnt;
+static void pcmciamtd_set_vpp(struct map_info *map, int on)
+{
+ struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
+ struct pcmcia_device *link = dev->p_dev;
+
+ pr_debug("dev = %p on = %d vpp = %d\n\n", dev, on, dev->vpp);
+ mutex_lock(&pcmcia_vpp_lock);
+ if (on) {
+ if (++pcmcia_vpp_refcnt == 1) /* first nested 'on' */
+ pcmcia_fixup_vpp(link, dev->vpp);
+ } else {
+ if (--pcmcia_vpp_refcnt == 0) /* last nested 'off' */
+ pcmcia_fixup_vpp(link, 0);
+ }
+ mutex_unlock(&pcmcia_vpp_lock);
+}
+
+
+static void pcmciamtd_release(struct pcmcia_device *link)
+{
+ struct pcmciamtd_dev *dev = link->priv;
+
+ pr_debug("link = 0x%p\n", link);
+
+ if (link->resource[2]->end) {
+ if(dev->win_base) {
+ iounmap(dev->win_base);
+ dev->win_base = NULL;
+ }
+ }
+ pcmcia_disable_device(link);
+}
+
+
+static int pcmciamtd_cistpl_format(struct pcmcia_device *p_dev,
+ tuple_t *tuple,
+ void *priv_data)
+{
+ cisparse_t parse;
+
+ if (!pcmcia_parse_tuple(tuple, &parse)) {
+ cistpl_format_t *t = &parse.format;
+ (void)t; /* Shut up, gcc */
+ pr_debug("Format type: %u, Error Detection: %u, offset = %u, length =%u\n",
+ t->type, t->edc, t->offset, t->length);
+ }
+ return -ENOSPC;
+}
+
+static int pcmciamtd_cistpl_jedec(struct pcmcia_device *p_dev,
+ tuple_t *tuple,
+ void *priv_data)
+{
+ cisparse_t parse;
+ int i;
+
+ if (!pcmcia_parse_tuple(tuple, &parse)) {
+ cistpl_jedec_t *t = &parse.jedec;
+ for (i = 0; i < t->nid; i++)
+ pr_debug("JEDEC: 0x%02x 0x%02x\n",
+ t->id[i].mfr, t->id[i].info);
+ }
+ return -ENOSPC;
+}
+
+static int pcmciamtd_cistpl_device(struct pcmcia_device *p_dev,
+ tuple_t *tuple,
+ void *priv_data)
+{
+ struct pcmciamtd_dev *dev = priv_data;
+ cisparse_t parse;
+ cistpl_device_t *t = &parse.device;
+ int i;
+
+ if (pcmcia_parse_tuple(tuple, &parse))
+ return -EINVAL;
+
+ pr_debug("Common memory:\n");
+ dev->pcmcia_map.size = t->dev[0].size;
+ /* from here on: DEBUG only */
+ for (i = 0; i < t->ndev; i++) {
+ pr_debug("Region %d, type = %u\n", i, t->dev[i].type);
+ pr_debug("Region %d, wp = %u\n", i, t->dev[i].wp);
+ pr_debug("Region %d, speed = %u ns\n", i, t->dev[i].speed);
+ pr_debug("Region %d, size = %u bytes\n", i, t->dev[i].size);
+ }
+ return 0;
+}
+
+static int pcmciamtd_cistpl_geo(struct pcmcia_device *p_dev,
+ tuple_t *tuple,
+ void *priv_data)
+{
+ struct pcmciamtd_dev *dev = priv_data;
+ cisparse_t parse;
+ cistpl_device_geo_t *t = &parse.device_geo;
+ int i;
+
+ if (pcmcia_parse_tuple(tuple, &parse))
+ return -EINVAL;
+
+ dev->pcmcia_map.bankwidth = t->geo[0].buswidth;
+ /* from here on: DEBUG only */
+ for (i = 0; i < t->ngeo; i++) {
+ pr_debug("region: %d bankwidth = %u\n", i, t->geo[i].buswidth);
+ pr_debug("region: %d erase_block = %u\n", i, t->geo[i].erase_block);
+ pr_debug("region: %d read_block = %u\n", i, t->geo[i].read_block);
+ pr_debug("region: %d write_block = %u\n", i, t->geo[i].write_block);
+ pr_debug("region: %d partition = %u\n", i, t->geo[i].partition);
+ pr_debug("region: %d interleave = %u\n", i, t->geo[i].interleave);
+ }
+ return 0;
+}
+
+
+static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *p_dev, int *new_name)
+{
+ int i;
+
+ if (p_dev->prod_id[0]) {
+ dev->mtd_name[0] = '\0';
+ for (i = 0; i < 4; i++) {
+ if (i)
+ strcat(dev->mtd_name, " ");
+ if (p_dev->prod_id[i])
+ strcat(dev->mtd_name, p_dev->prod_id[i]);
+ }
+ pr_debug("Found name: %s\n", dev->mtd_name);
+ }
+
+ pcmcia_loop_tuple(p_dev, CISTPL_FORMAT, pcmciamtd_cistpl_format, NULL);
+ pcmcia_loop_tuple(p_dev, CISTPL_JEDEC_C, pcmciamtd_cistpl_jedec, NULL);
+ pcmcia_loop_tuple(p_dev, CISTPL_DEVICE, pcmciamtd_cistpl_device, dev);
+ pcmcia_loop_tuple(p_dev, CISTPL_DEVICE_GEO, pcmciamtd_cistpl_geo, dev);
+
+ if(!dev->pcmcia_map.size)
+ dev->pcmcia_map.size = MAX_PCMCIA_ADDR;
+
+ if(!dev->pcmcia_map.bankwidth)
+ dev->pcmcia_map.bankwidth = 2;
+
+ if(force_size) {
+ dev->pcmcia_map.size = force_size << 20;
+ pr_debug("size forced to %dM\n", force_size);
+ }
+
+ if(bankwidth) {
+ dev->pcmcia_map.bankwidth = bankwidth;
+ pr_debug("bankwidth forced to %d\n", bankwidth);
+ }
+
+ dev->pcmcia_map.name = dev->mtd_name;
+ if(!dev->mtd_name[0]) {
+ strcpy(dev->mtd_name, "PCMCIA Memory card");
+ *new_name = 1;
+ }
+
+ pr_debug("Device: Size: %lu Width:%d Name: %s\n",
+ dev->pcmcia_map.size,
+ dev->pcmcia_map.bankwidth << 3, dev->mtd_name);
+}
+
+
+static int pcmciamtd_config(struct pcmcia_device *link)
+{
+ struct pcmciamtd_dev *dev = link->priv;
+ struct mtd_info *mtd = NULL;
+ int ret;
+ int i, j = 0;
+ static char *probes[] = { "jedec_probe", "cfi_probe" };
+ int new_name = 0;
+
+ pr_debug("link=0x%p\n", link);
+
+ card_settings(dev, link, &new_name);
+
+ dev->pcmcia_map.phys = NO_XIP;
+ dev->pcmcia_map.copy_from = pcmcia_copy_from_remap;
+ dev->pcmcia_map.copy_to = pcmcia_copy_to_remap;
+ if (dev->pcmcia_map.bankwidth == 1) {
+ dev->pcmcia_map.read = pcmcia_read8_remap;
+ dev->pcmcia_map.write = pcmcia_write8_remap;
+ } else {
+ dev->pcmcia_map.read = pcmcia_read16_remap;
+ dev->pcmcia_map.write = pcmcia_write16_remap;
+ }
+ if(setvpp == 1)
+ dev->pcmcia_map.set_vpp = pcmciamtd_set_vpp;
+
+ /* Request a memory window for PCMCIA. Some architeures can map windows
+ * up to the maximum that PCMCIA can support (64MiB) - this is ideal and
+ * we aim for a window the size of the whole card - otherwise we try
+ * smaller windows until we succeed
+ */
+
+ link->resource[2]->flags |= WIN_MEMORY_TYPE_CM | WIN_ENABLE;
+ link->resource[2]->flags |= (dev->pcmcia_map.bankwidth == 1) ?
+ WIN_DATA_WIDTH_8 : WIN_DATA_WIDTH_16;
+ link->resource[2]->start = 0;
+ link->resource[2]->end = (force_size) ? force_size << 20 :
+ MAX_PCMCIA_ADDR;
+ dev->win_size = 0;
+
+ do {
+ int ret;
+ pr_debug("requesting window with size = %luKiB memspeed = %d\n",
+ (unsigned long) resource_size(link->resource[2]) >> 10,
+ mem_speed);
+ ret = pcmcia_request_window(link, link->resource[2], mem_speed);
+ pr_debug("ret = %d dev->win_size = %d\n", ret, dev->win_size);
+ if(ret) {
+ j++;
+ link->resource[2]->start = 0;
+ link->resource[2]->end = (force_size) ?
+ force_size << 20 : MAX_PCMCIA_ADDR;
+ link->resource[2]->end >>= j;
+ } else {
+ pr_debug("Got window of size %luKiB\n", (unsigned long)
+ resource_size(link->resource[2]) >> 10);
+ dev->win_size = resource_size(link->resource[2]);
+ break;
+ }
+ } while (link->resource[2]->end >= 0x1000);
+
+ pr_debug("dev->win_size = %d\n", dev->win_size);
+
+ if(!dev->win_size) {
+ dev_err(&dev->p_dev->dev, "Cannot allocate memory window\n");
+ pcmciamtd_release(link);
+ return -ENODEV;
+ }
+ pr_debug("Allocated a window of %dKiB\n", dev->win_size >> 10);
+
+ /* Get write protect status */
+ dev->win_base = ioremap(link->resource[2]->start,
+ resource_size(link->resource[2]));
+ if(!dev->win_base) {
+ dev_err(&dev->p_dev->dev, "ioremap(%pR) failed\n",
+ link->resource[2]);
+ pcmciamtd_release(link);
+ return -ENODEV;
+ }
+ pr_debug("mapped window dev = %p @ %pR, base = %p\n",
+ dev, link->resource[2], dev->win_base);
+
+ dev->offset = 0;
+ dev->pcmcia_map.map_priv_1 = (unsigned long)dev;
+ dev->pcmcia_map.map_priv_2 = (unsigned long)link->resource[2];
+
+ dev->vpp = (vpp) ? vpp : link->socket->socket.Vpp;
+ if(setvpp == 2) {
+ link->vpp = dev->vpp;
+ } else {
+ link->vpp = 0;
+ }
+
+ link->config_index = 0;
+ pr_debug("Setting Configuration\n");
+ ret = pcmcia_enable_device(link);
+ if (ret != 0) {
+ if (dev->win_base) {
+ iounmap(dev->win_base);
+ dev->win_base = NULL;
+ }
+ return -ENODEV;
+ }
+
+ if(mem_type == 1) {
+ mtd = do_map_probe("map_ram", &dev->pcmcia_map);
+ } else if(mem_type == 2) {
+ mtd = do_map_probe("map_rom", &dev->pcmcia_map);
+ } else {
+ for(i = 0; i < ARRAY_SIZE(probes); i++) {
+ pr_debug("Trying %s\n", probes[i]);
+ mtd = do_map_probe(probes[i], &dev->pcmcia_map);
+ if(mtd)
+ break;
+
+ pr_debug("FAILED: %s\n", probes[i]);
+ }
+ }
+
+ if(!mtd) {
+ pr_debug("Can not find an MTD\n");
+ pcmciamtd_release(link);
+ return -ENODEV;
+ }
+
+ dev->mtd_info = mtd;
+ mtd->owner = THIS_MODULE;
+
+ if(new_name) {
+ int size = 0;
+ char unit = ' ';
+ /* Since we are using a default name, make it better by adding
+ * in the size
+ */
+ if(mtd->size < 1048576) { /* <1MiB in size, show size in KiB */
+ size = mtd->size >> 10;
+ unit = 'K';
+ } else {
+ size = mtd->size >> 20;
+ unit = 'M';
+ }
+ snprintf(dev->mtd_name, sizeof(dev->mtd_name), "%d%ciB %s", size, unit, "PCMCIA Memory card");
+ }
+
+ /* If the memory found is fits completely into the mapped PCMCIA window,
+ use the faster non-remapping read/write functions */
+ if(mtd->size <= dev->win_size) {
+ pr_debug("Using non remapping memory functions\n");
+ dev->pcmcia_map.map_priv_2 = (unsigned long)dev->win_base;
+ if (dev->pcmcia_map.bankwidth == 1) {
+ dev->pcmcia_map.read = pcmcia_read8;
+ dev->pcmcia_map.write = pcmcia_write8;
+ } else {
+ dev->pcmcia_map.read = pcmcia_read16;
+ dev->pcmcia_map.write = pcmcia_write16;
+ }
+ dev->pcmcia_map.copy_from = pcmcia_copy_from;
+ dev->pcmcia_map.copy_to = pcmcia_copy_to;
+ }
+
+ if (mtd_device_register(mtd, NULL, 0)) {
+ map_destroy(mtd);
+ dev->mtd_info = NULL;
+ dev_err(&dev->p_dev->dev,
+ "Could not register the MTD device\n");
+ pcmciamtd_release(link);
+ return -ENODEV;
+ }
+ dev_info(&dev->p_dev->dev, "mtd%d: %s\n", mtd->index, mtd->name);
+ return 0;
+}
+
+
+static int pcmciamtd_suspend(struct pcmcia_device *dev)
+{
+ pr_debug("EVENT_PM_RESUME\n");
+
+ /* get_lock(link); */
+
+ return 0;
+}
+
+static int pcmciamtd_resume(struct pcmcia_device *dev)
+{
+ pr_debug("EVENT_PM_SUSPEND\n");
+
+ /* free_lock(link); */
+
+ return 0;
+}
+
+
+static void pcmciamtd_detach(struct pcmcia_device *link)
+{
+ struct pcmciamtd_dev *dev = link->priv;
+
+ pr_debug("link=0x%p\n", link);
+
+ if(dev->mtd_info) {
+ mtd_device_unregister(dev->mtd_info);
+ dev_info(&dev->p_dev->dev, "mtd%d: Removing\n",
+ dev->mtd_info->index);
+ map_destroy(dev->mtd_info);
+ }
+
+ pcmciamtd_release(link);
+}
+
+
+static int pcmciamtd_probe(struct pcmcia_device *link)
+{
+ struct pcmciamtd_dev *dev;
+
+ /* Create new memory card device */
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (!dev) return -ENOMEM;
+ pr_debug("dev=0x%p\n", dev);
+
+ dev->p_dev = link;
+ link->priv = dev;
+
+ return pcmciamtd_config(link);
+}
+
+static const struct pcmcia_device_id pcmciamtd_ids[] = {
+ PCMCIA_DEVICE_FUNC_ID(1),
+ PCMCIA_DEVICE_PROD_ID123("IO DATA", "PCS-2M", "2MB SRAM", 0x547e66dc, 0x1fed36cd, 0x36eadd21),
+ PCMCIA_DEVICE_PROD_ID12("IBM", "2MB SRAM", 0xb569a6e5, 0x36eadd21),
+ PCMCIA_DEVICE_PROD_ID12("IBM", "4MB FLASH", 0xb569a6e5, 0x8bc54d2a),
+ PCMCIA_DEVICE_PROD_ID12("IBM", "8MB FLASH", 0xb569a6e5, 0x6df1be3e),
+ PCMCIA_DEVICE_PROD_ID12("Intel", "S2E20SW", 0x816cc815, 0xd14c9dcf),
+ PCMCIA_DEVICE_PROD_ID12("Intel", "S2E8 SW", 0x816cc815, 0xa2d7dedb),
+ PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-02 ", 0x40ade711, 0x145cea5c),
+ PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-04 ", 0x40ade711, 0x42064dda),
+ PCMCIA_DEVICE_PROD_ID12("intel", "SERIES2-20 ", 0x40ade711, 0x25ee5cb0),
+ PCMCIA_DEVICE_PROD_ID12("intel", "VALUE SERIES 100 ", 0x40ade711, 0xdf8506d8),
+ PCMCIA_DEVICE_PROD_ID12("KINGMAX TECHNOLOGY INC.", "SRAM 256K Bytes", 0x54d0c69c, 0xad12c29c),
+ PCMCIA_DEVICE_PROD_ID12("Maxtor", "MAXFL MobileMax Flash Memory Card", 0xb68968c8, 0x2dfb47b0),
+ PCMCIA_DEVICE_PROD_ID123("M-Systems", "M-SYS Flash Memory Card", "(c) M-Systems", 0x7ed2ad87, 0x675dc3fb, 0x7aef3965),
+ PCMCIA_DEVICE_PROD_ID12("PRETEC", " 2MB SRAM CARD", 0xebf91155, 0x805360ca),
+ PCMCIA_DEVICE_PROD_ID12("PRETEC", " 4MB SRAM CARD", 0xebf91155, 0x20b6bf17),
+ PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB101EN20", 0xf9876baf, 0xad0b207b),
+ PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB513EN20", 0xf9876baf, 0xe8d884ad),
+ PCMCIA_DEVICE_PROD_ID12("SMART Modular Technologies", " 4MB FLASH Card", 0x96fd8277, 0x737a5b05),
+ PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-3000", 0x05ddca47, 0xe7d67bca),
+ PCMCIA_DEVICE_PROD_ID12("Starfish, Inc.", "REX-4100", 0x05ddca47, 0x7bc32944),
+ /* the following was commented out in pcmcia-cs-3.2.7 */
+ /* PCMCIA_DEVICE_PROD_ID12("RATOC Systems,Inc.", "SmartMedia ADAPTER PC Card", 0xf4a2fefe, 0x5885b2ae), */
+#ifdef CONFIG_MTD_PCMCIA_ANONYMOUS
+ { .match_flags = PCMCIA_DEV_ID_MATCH_ANONYMOUS, },
+#endif
+ PCMCIA_DEVICE_NULL
+};
+MODULE_DEVICE_TABLE(pcmcia, pcmciamtd_ids);
+
+static struct pcmcia_driver pcmciamtd_driver = {
+ .name = "pcmciamtd",
+ .probe = pcmciamtd_probe,
+ .remove = pcmciamtd_detach,
+ .owner = THIS_MODULE,
+ .id_table = pcmciamtd_ids,
+ .suspend = pcmciamtd_suspend,
+ .resume = pcmciamtd_resume,
+};
+
+
+static int __init init_pcmciamtd(void)
+{
+ if(bankwidth && bankwidth != 1 && bankwidth != 2) {
+ info("bad bankwidth (%d), using default", bankwidth);
+ bankwidth = 2;
+ }
+ if(force_size && (force_size < 1 || force_size > 64)) {
+ info("bad force_size (%d), using default", force_size);
+ force_size = 0;
+ }
+ if(mem_type && mem_type != 1 && mem_type != 2) {
+ info("bad mem_type (%d), using default", mem_type);
+ mem_type = 0;
+ }
+ return pcmcia_register_driver(&pcmciamtd_driver);
+}
+
+
+static void __exit exit_pcmciamtd(void)
+{
+ pr_debug(DRIVER_DESC " unloading");
+ pcmcia_unregister_driver(&pcmciamtd_driver);
+}
+
+module_init(init_pcmciamtd);
+module_exit(exit_pcmciamtd);