Release 4.7 drivers/mtd/maps/pcmciamtd.c
/*
* 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));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 102 | 67.55% | 1 | 8.33% |
| dominik brodowski | dominik brodowski | 23 | 15.23% | 5 | 41.67% |
| simon evans | simon evans | 13 | 8.61% | 1 | 8.33% |
| brian norris | brian norris | 4 | 2.65% | 1 | 8.33% |
| magnus damm | magnus damm | 4 | 2.65% | 1 | 8.33% |
| al viro | al viro | 3 | 1.99% | 1 | 8.33% |
| andrew morton | andrew morton | 1 | 0.66% | 1 | 8.33% |
| martin kepplinger | martin kepplinger | 1 | 0.66% | 1 | 8.33% |
| Total | 151 | 100.00% | 12 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 53 | 68.83% | 1 | 25.00% |
| david woodhouse | david woodhouse | 19 | 24.68% | 1 | 25.00% |
| al viro | al viro | 3 | 3.90% | 1 | 25.00% |
| brian norris | brian norris | 2 | 2.60% | 1 | 25.00% |
| Total | 77 | 100.00% | 4 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 53 | 68.83% | 1 | 25.00% |
| david woodhouse | david woodhouse | 19 | 24.68% | 1 | 25.00% |
| al viro | al viro | 3 | 3.90% | 1 | 25.00% |
| brian norris | brian norris | 2 | 2.60% | 1 | 25.00% |
| Total | 77 | 100.00% | 4 | 100.00% |
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;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 131 | 94.93% | 1 | 33.33% |
| brian norris | brian norris | 4 | 2.90% | 1 | 33.33% |
| al viro | al viro | 3 | 2.17% | 1 | 33.33% |
| Total | 138 | 100.00% | 3 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 48 | 75.00% | 1 | 25.00% |
| david woodhouse | david woodhouse | 11 | 17.19% | 1 | 25.00% |
| al viro | al viro | 3 | 4.69% | 1 | 25.00% |
| brian norris | brian norris | 2 | 3.12% | 1 | 25.00% |
| Total | 64 | 100.00% | 4 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 48 | 75.00% | 1 | 25.00% |
| david woodhouse | david woodhouse | 11 | 17.19% | 1 | 25.00% |
| al viro | al viro | 3 | 4.69% | 1 | 25.00% |
| brian norris | brian norris | 2 | 3.12% | 1 | 25.00% |
| Total | 64 | 100.00% | 4 | 100.00% |
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;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 132 | 94.96% | 1 | 33.33% |
| brian norris | brian norris | 4 | 2.88% | 1 | 33.33% |
| al viro | al viro | 3 | 2.16% | 1 | 33.33% |
| Total | 139 | 100.00% | 3 | 100.00% |
/* 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 47 | 56.63% | 1 | 20.00% |
| david woodhouse | david woodhouse | 19 | 22.89% | 1 | 20.00% |
| simon evans | simon evans | 9 | 10.84% | 1 | 20.00% |
| al viro | al viro | 6 | 7.23% | 1 | 20.00% |
| brian norris | brian norris | 2 | 2.41% | 1 | 20.00% |
| Total | 83 | 100.00% | 5 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 47 | 56.63% | 1 | 20.00% |
| david woodhouse | david woodhouse | 19 | 22.89% | 1 | 20.00% |
| simon evans | simon evans | 9 | 10.84% | 1 | 20.00% |
| al viro | al viro | 6 | 7.23% | 1 | 20.00% |
| brian norris | brian norris | 2 | 2.41% | 1 | 20.00% |
| Total | 83 | 100.00% | 5 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 50 | 75.76% | 1 | 25.00% |
| simon evans | simon evans | 8 | 12.12% | 1 | 25.00% |
| al viro | al viro | 6 | 9.09% | 1 | 25.00% |
| brian norris | brian norris | 2 | 3.03% | 1 | 25.00% |
| Total | 66 | 100.00% | 4 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 45 | 62.50% | 1 | 20.00% |
| alexander kurz | alexander kurz | 11 | 15.28% | 1 | 20.00% |
| simon evans | simon evans | 8 | 11.11% | 1 | 20.00% |
| al viro | al viro | 6 | 8.33% | 1 | 20.00% |
| brian norris | brian norris | 2 | 2.78% | 1 | 20.00% |
| Total | 72 | 100.00% | 5 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 45 | 62.50% | 1 | 20.00% |
| alexander kurz | alexander kurz | 11 | 15.28% | 1 | 20.00% |
| simon evans | simon evans | 8 | 11.11% | 1 | 20.00% |
| al viro | al viro | 6 | 8.33% | 1 | 20.00% |
| brian norris | brian norris | 2 | 2.78% | 1 | 20.00% |
| Total | 72 | 100.00% | 5 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 51 | 76.12% | 1 | 25.00% |
| simon evans | simon evans | 8 | 11.94% | 1 | 25.00% |
| al viro | al viro | 6 | 8.96% | 1 | 25.00% |
| brian norris | brian norris | 2 | 2.99% | 1 | 25.00% |
| Total | 67 | 100.00% | 4 | 100.00% |
static DEFINE_SPINLOCK(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;
unsigned long flags;
pr_debug("dev = %p on = %d vpp = %d\n\n", dev, on, dev->vpp);
spin_lock_irqsave(&pcmcia_vpp_lock, flags);
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);
}
spin_unlock_irqrestore(&pcmcia_vpp_lock, flags);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| paul parsons | paul parsons | 51 | 45.95% | 1 | 16.67% |
| russell king | russell king | 50 | 45.05% | 1 | 16.67% |
| dominik brodowski | dominik brodowski | 8 | 7.21% | 3 | 50.00% |
| brian norris | brian norris | 2 | 1.80% | 1 | 16.67% |
| Total | 111 | 100.00% | 6 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 50 | 75.76% | 1 | 14.29% |
| dominik brodowski | dominik brodowski | 9 | 13.64% | 3 | 42.86% |
| simon evans | simon evans | 3 | 4.55% | 1 | 14.29% |
| brian norris | brian norris | 2 | 3.03% | 1 | 14.29% |
| vinay k nallamothu | vinay k nallamothu | 2 | 3.03% | 1 | 14.29% |
| Total | 66 | 100.00% | 7 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 58 | 77.33% | 1 | 25.00% |
| dominik brodowski | dominik brodowski | 14 | 18.67% | 1 | 25.00% |
| brian norris | brian norris | 2 | 2.67% | 1 | 25.00% |
| andrew morton | andrew morton | 1 | 1.33% | 1 | 25.00% |
| Total | 75 | 100.00% | 4 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 44 | 49.44% | 1 | 33.33% |
| dominik brodowski | dominik brodowski | 43 | 48.31% | 1 | 33.33% |
| brian norris | brian norris | 2 | 2.25% | 1 | 33.33% |
| Total | 89 | 100.00% | 3 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| dominik brodowski | dominik brodowski | 95 | 59.38% | 1 | 33.33% |
| russell king | russell king | 55 | 34.38% | 1 | 33.33% |
| brian norris | brian norris | 10 | 6.25% | 1 | 33.33% |
| Total | 160 | 100.00% | 3 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 128 | 68.45% | 1 | 25.00% |
| dominik brodowski | dominik brodowski | 46 | 24.60% | 1 | 25.00% |
| brian norris | brian norris | 12 | 6.42% | 1 | 25.00% |
| david woodhouse | david woodhouse | 1 | 0.53% | 1 | 25.00% |
| Total | 187 | 100.00% | 4 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 135 | 47.54% | 1 | 20.00% |
| dominik brodowski | dominik brodowski | 133 | 46.83% | 1 | 20.00% |
| brian norris | brian norris | 8 | 2.82% | 1 | 20.00% |
| david woodhouse | david woodhouse | 7 | 2.46% | 1 | 20.00% |
| alexander kurz | alexander kurz | 1 | 0.35% | 1 | 20.00% |
| Total | 284 | 100.00% | 5 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 633 | 61.82% | 1 | 5.00% |
| dominik brodowski | dominik brodowski | 198 | 19.34% | 8 | 40.00% |
| david woodhouse | david woodhouse | 62 | 6.05% | 2 | 10.00% |
| simon evans | simon evans | 39 | 3.81% | 1 | 5.00% |
| alexander kurz | alexander kurz | 37 | 3.61% | 2 | 10.00% |
| brian norris | brian norris | 24 | 2.34% | 1 | 5.00% |
| amol lad | amol lad | 21 | 2.05% | 1 | 5.00% |
| jamie iles | jamie iles | 5 | 0.49% | 1 | 5.00% |
| andrew morton | andrew morton | 3 | 0.29% | 1 | 5.00% |
| lucas de marchi | lucas de marchi | 1 | 0.10% | 1 | 5.00% |
| tobias klauser | tobias klauser | 1 | 0.10% | 1 | 5.00% |
| Total | 1024 | 100.00% | 20 | 100.00% |
static int pcmciamtd_suspend(struct pcmcia_device *dev)
{
pr_debug("EVENT_PM_RESUME\n");
/* get_lock(link); */
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| dominik brodowski | dominik brodowski | 18 | 90.00% | 1 | 50.00% |
| brian norris | brian norris | 2 | 10.00% | 1 | 50.00% |
| Total | 20 | 100.00% | 2 | 100.00% |
static int pcmciamtd_resume(struct pcmcia_device *dev)
{
pr_debug("EVENT_PM_SUSPEND\n");
/* free_lock(link); */
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| dominik brodowski | dominik brodowski | 18 | 90.00% | 1 | 50.00% |
| brian norris | brian norris | 2 | 10.00% | 1 | 50.00% |
| Total | 20 | 100.00% | 2 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 30 | 41.67% | 1 | 12.50% |
| dominik brodowski | dominik brodowski | 20 | 27.78% | 2 | 25.00% |
| alexander kurz | alexander kurz | 9 | 12.50% | 1 | 12.50% |
| sean young | sean young | 6 | 8.33% | 1 | 12.50% |
| julia lawall | julia lawall | 4 | 5.56% | 1 | 12.50% |
| brian norris | brian norris | 2 | 2.78% | 1 | 12.50% |
| jamie iles | jamie iles | 1 | 1.39% | 1 | 12.50% |
| Total | 72 | 100.00% | 8 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 46 | 71.88% | 1 | 12.50% |
| dominik brodowski | dominik brodowski | 12 | 18.75% | 4 | 50.00% |
| simon evans | simon evans | 3 | 4.69% | 1 | 12.50% |
| brian norris | brian norris | 2 | 3.12% | 1 | 12.50% |
| burman yan | burman yan | 1 | 1.56% | 1 | 12.50% |
| Total | 64 | 100.00% | 8 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 84 | 90.32% | 1 | 33.33% |
| david woodhouse | david woodhouse | 6 | 6.45% | 1 | 33.33% |
| christoph hellwig | christoph hellwig | 3 | 3.23% | 1 | 33.33% |
| Total | 93 | 100.00% | 3 | 100.00% |
static void __exit exit_pcmciamtd(void)
{
pr_debug(DRIVER_DESC " unloading");
pcmcia_unregister_driver(&pcmciamtd_driver);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 17 | 80.95% | 1 | 25.00% |
| christoph hellwig | christoph hellwig | 2 | 9.52% | 1 | 25.00% |
| brian norris | brian norris | 1 | 4.76% | 1 | 25.00% |
| simon evans | simon evans | 1 | 4.76% | 1 | 25.00% |
| Total | 21 | 100.00% | 4 | 100.00% |
module_init(init_pcmciamtd);
module_exit(exit_pcmciamtd);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| russell king | russell king | 2387 | 59.47% | 1 | 2.27% |
| dominik brodowski | dominik brodowski | 888 | 22.12% | 19 | 43.18% |
| david woodhouse | david woodhouse | 184 | 4.58% | 2 | 4.55% |
| simon evans | simon evans | 123 | 3.06% | 1 | 2.27% |
| brian norris | brian norris | 103 | 2.57% | 1 | 2.27% |
| alexander kurz | alexander kurz | 96 | 2.39% | 2 | 4.55% |
| paul parsons | paul parsons | 61 | 1.52% | 1 | 2.27% |
| al viro | al viro | 60 | 1.49% | 1 | 2.27% |
| rusty russell | rusty russell | 24 | 0.60% | 1 | 2.27% |
| christoph hellwig | christoph hellwig | 23 | 0.57% | 1 | 2.27% |
| amol lad | amol lad | 21 | 0.52% | 1 | 2.27% |
| tom englund | tom englund | 11 | 0.27% | 1 | 2.27% |
| jamie iles | jamie iles | 6 | 0.15% | 1 | 2.27% |
| sean young | sean young | 6 | 0.15% | 1 | 2.27% |
| andrew morton | andrew morton | 5 | 0.12% | 1 | 2.27% |
| magnus damm | magnus damm | 4 | 0.10% | 1 | 2.27% |
| julia lawall | julia lawall | 4 | 0.10% | 1 | 2.27% |
| vinay k nallamothu | vinay k nallamothu | 2 | 0.05% | 1 | 2.27% |
| tobias klauser | tobias klauser | 1 | 0.02% | 1 | 2.27% |
| burman yan | burman yan | 1 | 0.02% | 1 | 2.27% |
| adrian bunk | adrian bunk | 1 | 0.02% | 1 | 2.27% |
| lucas de marchi | lucas de marchi | 1 | 0.02% | 1 | 2.27% |
| joe perches | joe perches | 1 | 0.02% | 1 | 2.27% |
| martin kepplinger | martin kepplinger | 1 | 0.02% | 1 | 2.27% |
| Total | 4014 | 100.00% | 44 | 100.00% |
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