2005-04-17 06:20:36 +08:00
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/*
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2005-11-07 19:15:40 +08:00
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* $Id: pcmciamtd.c,v 1.55 2005/11/07 11:14:28 gleixner Exp $
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2005-04-17 06:20:36 +08:00
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*
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* pcmciamtd.c - MTD driver for PCMCIA flash memory cards
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*
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* Author: Simon Evans <spse@secret.org.uk>
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*
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* Copyright (C) 2002 Simon Evans
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*
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* Licence: GPL
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*
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*/
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <asm/io.h>
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#include <asm/system.h>
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#include <pcmcia/cs_types.h>
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#include <pcmcia/cs.h>
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#include <pcmcia/cistpl.h>
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#include <pcmcia/ds.h>
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#include <linux/mtd/map.h>
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#include <linux/mtd/mtd.h>
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#ifdef CONFIG_MTD_DEBUG
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static int debug = CONFIG_MTD_DEBUG_VERBOSE;
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2006-03-25 19:07:05 +08:00
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module_param(debug, int, 0);
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2005-04-17 06:20:36 +08:00
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MODULE_PARM_DESC(debug, "Set Debug Level 0=quiet, 5=noisy");
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#undef DEBUG
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#define DEBUG(n, format, arg...) \
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if (n <= debug) { \
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printk(KERN_DEBUG __FILE__ ":%s(): " format "\n", __FUNCTION__ , ## arg); \
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}
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#else
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#undef DEBUG
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#define DEBUG(n, arg...)
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static const int debug = 0;
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#endif
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#define err(format, arg...) printk(KERN_ERR "pcmciamtd: " format "\n" , ## arg)
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#define info(format, arg...) printk(KERN_INFO "pcmciamtd: " format "\n" , ## arg)
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#define warn(format, arg...) printk(KERN_WARNING "pcmciamtd: " format "\n" , ## arg)
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#define DRIVER_DESC "PCMCIA Flash memory card driver"
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2005-11-07 19:15:40 +08:00
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#define DRIVER_VERSION "$Revision: 1.55 $"
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2005-04-17 06:20:36 +08:00
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/* Size of the PCMCIA address space: 26 bits = 64 MB */
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#define MAX_PCMCIA_ADDR 0x4000000
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struct pcmciamtd_dev {
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2006-03-05 17:45:09 +08:00
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struct pcmcia_device *p_dev;
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2005-04-17 06:20:36 +08:00
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dev_node_t node; /* device node */
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caddr_t win_base; /* ioremapped address of PCMCIA window */
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unsigned int win_size; /* size of window */
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unsigned int offset; /* offset into card the window currently points at */
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struct map_info pcmcia_map;
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struct mtd_info *mtd_info;
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int vpp;
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char mtd_name[sizeof(struct cistpl_vers_1_t)];
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};
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/* Module parameters */
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/* 2 = do 16-bit transfers, 1 = do 8-bit transfers */
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static int bankwidth = 2;
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/* Speed of memory accesses, in ns */
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static int mem_speed;
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/* Force the size of an SRAM card */
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static int force_size;
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/* Force Vpp */
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static int vpp;
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/* Set Vpp */
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static int setvpp;
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/* Force card to be treated as FLASH, ROM or RAM */
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static int mem_type;
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Simon Evans <spse@secret.org.uk>");
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MODULE_DESCRIPTION(DRIVER_DESC);
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2006-03-25 19:07:05 +08:00
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module_param(bankwidth, int, 0);
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2005-04-17 06:20:36 +08:00
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MODULE_PARM_DESC(bankwidth, "Set bankwidth (1=8 bit, 2=16 bit, default=2)");
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2006-03-25 19:07:05 +08:00
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module_param(mem_speed, int, 0);
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2005-04-17 06:20:36 +08:00
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MODULE_PARM_DESC(mem_speed, "Set memory access speed in ns");
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2006-03-25 19:07:05 +08:00
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module_param(force_size, int, 0);
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2005-04-17 06:20:36 +08:00
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MODULE_PARM_DESC(force_size, "Force size of card in MiB (1-64)");
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2006-03-25 19:07:05 +08:00
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module_param(setvpp, int, 0);
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2005-04-17 06:20:36 +08:00
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MODULE_PARM_DESC(setvpp, "Set Vpp (0=Never, 1=On writes, 2=Always on, default=0)");
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2006-03-25 19:07:05 +08:00
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module_param(vpp, int, 0);
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2005-04-17 06:20:36 +08:00
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MODULE_PARM_DESC(vpp, "Vpp value in 1/10ths eg 33=3.3V 120=12V (Dangerous)");
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2006-03-25 19:07:05 +08:00
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module_param(mem_type, int, 0);
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2005-04-17 06:20:36 +08:00
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MODULE_PARM_DESC(mem_type, "Set Memory type (0=Flash, 1=RAM, 2=ROM, default=0)");
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/* read/write{8,16} copy_{from,to} routines with window remapping to access whole card */
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static caddr_t remap_window(struct map_info *map, unsigned long to)
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{
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struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
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window_handle_t win = (window_handle_t)map->map_priv_2;
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memreq_t mrq;
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int ret;
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2006-03-02 07:09:29 +08:00
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if (!pcmcia_dev_present(dev->p_dev)) {
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DEBUG(1, "device removed");
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2005-04-17 06:20:36 +08:00
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return 0;
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}
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mrq.CardOffset = to & ~(dev->win_size-1);
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if(mrq.CardOffset != dev->offset) {
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DEBUG(2, "Remapping window from 0x%8.8x to 0x%8.8x",
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dev->offset, mrq.CardOffset);
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mrq.Page = 0;
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if( (ret = pcmcia_map_mem_page(win, &mrq)) != CS_SUCCESS) {
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2006-03-31 23:21:06 +08:00
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cs_error(dev->p_dev, MapMemPage, ret);
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2005-04-17 06:20:36 +08:00
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return NULL;
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}
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dev->offset = mrq.CardOffset;
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}
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return dev->win_base + (to & (dev->win_size-1));
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}
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static map_word pcmcia_read8_remap(struct map_info *map, unsigned long ofs)
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{
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caddr_t addr;
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map_word d = {{0}};
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addr = remap_window(map, ofs);
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if(!addr)
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return d;
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d.x[0] = readb(addr);
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DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02x", ofs, addr, d.x[0]);
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return d;
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}
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static map_word pcmcia_read16_remap(struct map_info *map, unsigned long ofs)
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{
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caddr_t addr;
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map_word d = {{0}};
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addr = remap_window(map, ofs);
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if(!addr)
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return d;
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d.x[0] = readw(addr);
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DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04x", ofs, addr, d.x[0]);
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return d;
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}
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static void pcmcia_copy_from_remap(struct map_info *map, void *to, unsigned long from, ssize_t len)
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{
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struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
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unsigned long win_size = dev->win_size;
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DEBUG(3, "to = %p from = %lu len = %u", to, from, len);
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while(len) {
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int toread = win_size - (from & (win_size-1));
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caddr_t addr;
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if(toread > len)
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toread = len;
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2005-11-07 19:15:40 +08:00
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2005-04-17 06:20:36 +08:00
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addr = remap_window(map, from);
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if(!addr)
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return;
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DEBUG(4, "memcpy from %p to %p len = %d", addr, to, toread);
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memcpy_fromio(to, addr, toread);
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len -= toread;
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to += toread;
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from += toread;
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}
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}
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static void pcmcia_write8_remap(struct map_info *map, map_word d, unsigned long adr)
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{
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caddr_t addr = remap_window(map, adr);
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if(!addr)
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return;
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DEBUG(3, "adr = 0x%08lx (%p) data = 0x%02x", adr, addr, d.x[0]);
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writeb(d.x[0], addr);
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}
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static void pcmcia_write16_remap(struct map_info *map, map_word d, unsigned long adr)
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{
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caddr_t addr = remap_window(map, adr);
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if(!addr)
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return;
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DEBUG(3, "adr = 0x%08lx (%p) data = 0x%04x", adr, addr, d.x[0]);
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writew(d.x[0], addr);
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}
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static void pcmcia_copy_to_remap(struct map_info *map, unsigned long to, const void *from, ssize_t len)
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{
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struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
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unsigned long win_size = dev->win_size;
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DEBUG(3, "to = %lu from = %p len = %u", to, from, len);
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while(len) {
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int towrite = win_size - (to & (win_size-1));
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caddr_t addr;
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if(towrite > len)
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towrite = len;
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addr = remap_window(map, to);
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if(!addr)
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return;
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DEBUG(4, "memcpy from %p to %p len = %d", from, addr, towrite);
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memcpy_toio(addr, from, towrite);
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len -= towrite;
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to += towrite;
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from += towrite;
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}
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}
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/* read/write{8,16} copy_{from,to} routines with direct access */
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2006-03-02 07:09:29 +08:00
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#define DEV_REMOVED(x) (!(pcmcia_dev_present(((struct pcmciamtd_dev *)map->map_priv_1)->p_dev)))
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2005-04-17 06:20:36 +08:00
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static map_word pcmcia_read8(struct map_info *map, unsigned long ofs)
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{
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caddr_t win_base = (caddr_t)map->map_priv_2;
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map_word d = {{0}};
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if(DEV_REMOVED(map))
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return d;
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d.x[0] = readb(win_base + ofs);
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DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02x", ofs, win_base + ofs, d.x[0]);
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return d;
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}
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static map_word pcmcia_read16(struct map_info *map, unsigned long ofs)
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{
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caddr_t win_base = (caddr_t)map->map_priv_2;
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map_word d = {{0}};
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if(DEV_REMOVED(map))
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return d;
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d.x[0] = readw(win_base + ofs);
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DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04x", ofs, win_base + ofs, d.x[0]);
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return d;
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}
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static void pcmcia_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
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{
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caddr_t win_base = (caddr_t)map->map_priv_2;
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if(DEV_REMOVED(map))
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return;
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DEBUG(3, "to = %p from = %lu len = %u", to, from, len);
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memcpy_fromio(to, win_base + from, len);
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}
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static void pcmcia_write8(struct map_info *map, u8 d, unsigned long adr)
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{
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caddr_t win_base = (caddr_t)map->map_priv_2;
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if(DEV_REMOVED(map))
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return;
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DEBUG(3, "adr = 0x%08lx (%p) data = 0x%02x", adr, win_base + adr, d);
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writeb(d, win_base + adr);
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}
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static void pcmcia_write16(struct map_info *map, u16 d, unsigned long adr)
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{
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caddr_t win_base = (caddr_t)map->map_priv_2;
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if(DEV_REMOVED(map))
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return;
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DEBUG(3, "adr = 0x%08lx (%p) data = 0x%04x", adr, win_base + adr, d);
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writew(d, win_base + adr);
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}
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static void pcmcia_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
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{
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caddr_t win_base = (caddr_t)map->map_priv_2;
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if(DEV_REMOVED(map))
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return;
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DEBUG(3, "to = %lu from = %p len = %u", to, from, len);
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memcpy_toio(win_base + to, from, len);
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}
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static void pcmciamtd_set_vpp(struct map_info *map, int on)
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{
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struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
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2006-03-31 23:21:06 +08:00
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struct pcmcia_device *link = dev->p_dev;
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2005-04-17 06:20:36 +08:00
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modconf_t mod;
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int ret;
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mod.Attributes = CONF_VPP1_CHANGE_VALID | CONF_VPP2_CHANGE_VALID;
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mod.Vcc = 0;
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mod.Vpp1 = mod.Vpp2 = on ? dev->vpp : 0;
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DEBUG(2, "dev = %p on = %d vpp = %d\n", dev, on, dev->vpp);
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2006-03-31 23:21:06 +08:00
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ret = pcmcia_modify_configuration(link, &mod);
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2005-04-17 06:20:36 +08:00
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if(ret != CS_SUCCESS) {
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2006-03-31 23:21:06 +08:00
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cs_error(link, ModifyConfiguration, ret);
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2005-04-17 06:20:36 +08:00
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}
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}
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|
/* After a card is removed, pcmciamtd_release() will unregister the
|
|
|
|
* device, and release the PCMCIA configuration. If the device is
|
|
|
|
* still open, this will be postponed until it is closed.
|
|
|
|
*/
|
|
|
|
|
2006-03-31 23:21:06 +08:00
|
|
|
static void pcmciamtd_release(struct pcmcia_device *link)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
struct pcmciamtd_dev *dev = link->priv;
|
|
|
|
|
|
|
|
DEBUG(3, "link = 0x%p", link);
|
|
|
|
|
|
|
|
if (link->win) {
|
|
|
|
if(dev->win_base) {
|
|
|
|
iounmap(dev->win_base);
|
|
|
|
dev->win_base = NULL;
|
|
|
|
}
|
|
|
|
pcmcia_release_window(link->win);
|
|
|
|
}
|
2006-03-31 23:21:06 +08:00
|
|
|
pcmcia_disable_device(link);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2006-03-31 23:21:06 +08:00
|
|
|
static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *link, int *new_name)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
int rc;
|
|
|
|
tuple_t tuple;
|
|
|
|
cisparse_t parse;
|
|
|
|
u_char buf[64];
|
|
|
|
|
|
|
|
tuple.Attributes = 0;
|
|
|
|
tuple.TupleData = (cisdata_t *)buf;
|
|
|
|
tuple.TupleDataMax = sizeof(buf);
|
|
|
|
tuple.TupleOffset = 0;
|
|
|
|
tuple.DesiredTuple = RETURN_FIRST_TUPLE;
|
|
|
|
|
2006-03-31 23:21:06 +08:00
|
|
|
rc = pcmcia_get_first_tuple(link, &tuple);
|
2005-04-17 06:20:36 +08:00
|
|
|
while(rc == CS_SUCCESS) {
|
2006-03-31 23:21:06 +08:00
|
|
|
rc = pcmcia_get_tuple_data(link, &tuple);
|
2005-04-17 06:20:36 +08:00
|
|
|
if(rc != CS_SUCCESS) {
|
2006-03-31 23:21:06 +08:00
|
|
|
cs_error(link, GetTupleData, rc);
|
2005-04-17 06:20:36 +08:00
|
|
|
break;
|
|
|
|
}
|
2006-03-31 23:21:06 +08:00
|
|
|
rc = pcmcia_parse_tuple(link, &tuple, &parse);
|
2005-04-17 06:20:36 +08:00
|
|
|
if(rc != CS_SUCCESS) {
|
2006-03-31 23:21:06 +08:00
|
|
|
cs_error(link, ParseTuple, rc);
|
2005-04-17 06:20:36 +08:00
|
|
|
break;
|
|
|
|
}
|
2005-11-07 19:15:40 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
switch(tuple.TupleCode) {
|
|
|
|
case CISTPL_FORMAT: {
|
|
|
|
cistpl_format_t *t = &parse.format;
|
|
|
|
(void)t; /* Shut up, gcc */
|
|
|
|
DEBUG(2, "Format type: %u, Error Detection: %u, offset = %u, length =%u",
|
|
|
|
t->type, t->edc, t->offset, t->length);
|
|
|
|
break;
|
2005-11-07 19:15:40 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
2005-11-07 19:15:40 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
case CISTPL_DEVICE: {
|
|
|
|
cistpl_device_t *t = &parse.device;
|
|
|
|
int i;
|
|
|
|
DEBUG(2, "Common memory:");
|
|
|
|
dev->pcmcia_map.size = t->dev[0].size;
|
|
|
|
for(i = 0; i < t->ndev; i++) {
|
|
|
|
DEBUG(2, "Region %d, type = %u", i, t->dev[i].type);
|
|
|
|
DEBUG(2, "Region %d, wp = %u", i, t->dev[i].wp);
|
|
|
|
DEBUG(2, "Region %d, speed = %u ns", i, t->dev[i].speed);
|
|
|
|
DEBUG(2, "Region %d, size = %u bytes", i, t->dev[i].size);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
2005-11-07 19:15:40 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
case CISTPL_VERS_1: {
|
|
|
|
cistpl_vers_1_t *t = &parse.version_1;
|
|
|
|
int i;
|
|
|
|
if(t->ns) {
|
|
|
|
dev->mtd_name[0] = '\0';
|
|
|
|
for(i = 0; i < t->ns; i++) {
|
|
|
|
if(i)
|
|
|
|
strcat(dev->mtd_name, " ");
|
|
|
|
strcat(dev->mtd_name, t->str+t->ofs[i]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
DEBUG(2, "Found name: %s", dev->mtd_name);
|
|
|
|
break;
|
|
|
|
}
|
2005-11-07 19:15:40 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
case CISTPL_JEDEC_C: {
|
|
|
|
cistpl_jedec_t *t = &parse.jedec;
|
|
|
|
int i;
|
|
|
|
for(i = 0; i < t->nid; i++) {
|
|
|
|
DEBUG(2, "JEDEC: 0x%02x 0x%02x", t->id[i].mfr, t->id[i].info);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
2005-11-07 19:15:40 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
case CISTPL_DEVICE_GEO: {
|
|
|
|
cistpl_device_geo_t *t = &parse.device_geo;
|
|
|
|
int i;
|
|
|
|
dev->pcmcia_map.bankwidth = t->geo[0].buswidth;
|
|
|
|
for(i = 0; i < t->ngeo; i++) {
|
|
|
|
DEBUG(2, "region: %d bankwidth = %u", i, t->geo[i].buswidth);
|
|
|
|
DEBUG(2, "region: %d erase_block = %u", i, t->geo[i].erase_block);
|
|
|
|
DEBUG(2, "region: %d read_block = %u", i, t->geo[i].read_block);
|
|
|
|
DEBUG(2, "region: %d write_block = %u", i, t->geo[i].write_block);
|
|
|
|
DEBUG(2, "region: %d partition = %u", i, t->geo[i].partition);
|
|
|
|
DEBUG(2, "region: %d interleave = %u", i, t->geo[i].interleave);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
2005-11-07 19:15:40 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
default:
|
|
|
|
DEBUG(2, "Unknown tuple code %d", tuple.TupleCode);
|
|
|
|
}
|
2005-11-07 19:15:40 +08:00
|
|
|
|
2006-03-31 23:21:06 +08:00
|
|
|
rc = pcmcia_get_next_tuple(link, &tuple);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
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;
|
|
|
|
DEBUG(2, "size forced to %dM", force_size);
|
|
|
|
}
|
|
|
|
|
|
|
|
if(bankwidth) {
|
|
|
|
dev->pcmcia_map.bankwidth = bankwidth;
|
|
|
|
DEBUG(2, "bankwidth forced to %d", bankwidth);
|
2005-11-07 19:15:40 +08:00
|
|
|
}
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
dev->pcmcia_map.name = dev->mtd_name;
|
|
|
|
if(!dev->mtd_name[0]) {
|
|
|
|
strcpy(dev->mtd_name, "PCMCIA Memory card");
|
|
|
|
*new_name = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
DEBUG(1, "Device: Size: %lu Width:%d Name: %s",
|
|
|
|
dev->pcmcia_map.size, dev->pcmcia_map.bankwidth << 3, dev->mtd_name);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* pcmciamtd_config() is scheduled to run after a CARD_INSERTION event
|
|
|
|
* is received, to configure the PCMCIA socket, and to make the
|
|
|
|
* MTD device available to the system.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#define CS_CHECK(fn, ret) \
|
|
|
|
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
|
|
|
|
|
2006-03-31 23:26:06 +08:00
|
|
|
static int pcmciamtd_config(struct pcmcia_device *link)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
struct pcmciamtd_dev *dev = link->priv;
|
|
|
|
struct mtd_info *mtd = NULL;
|
|
|
|
cs_status_t status;
|
|
|
|
win_req_t req;
|
|
|
|
int last_ret = 0, last_fn = 0;
|
|
|
|
int ret;
|
|
|
|
int i;
|
|
|
|
config_info_t t;
|
|
|
|
static char *probes[] = { "jedec_probe", "cfi_probe" };
|
|
|
|
cisinfo_t cisinfo;
|
|
|
|
int new_name = 0;
|
|
|
|
|
|
|
|
DEBUG(3, "link=0x%p", link);
|
|
|
|
|
|
|
|
DEBUG(2, "Validating CIS");
|
2006-03-31 23:21:06 +08:00
|
|
|
ret = pcmcia_validate_cis(link, &cisinfo);
|
2005-04-17 06:20:36 +08:00
|
|
|
if(ret != CS_SUCCESS) {
|
2006-03-31 23:21:06 +08:00
|
|
|
cs_error(link, GetTupleData, ret);
|
2005-04-17 06:20:36 +08:00
|
|
|
} else {
|
|
|
|
DEBUG(2, "ValidateCIS found %d chains", cisinfo.Chains);
|
|
|
|
}
|
|
|
|
|
|
|
|
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 upto 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 */
|
|
|
|
|
|
|
|
req.Attributes = WIN_MEMORY_TYPE_CM | WIN_ENABLE;
|
|
|
|
req.Attributes |= (dev->pcmcia_map.bankwidth == 1) ? WIN_DATA_WIDTH_8 : WIN_DATA_WIDTH_16;
|
|
|
|
req.Base = 0;
|
|
|
|
req.AccessSpeed = mem_speed;
|
2006-03-31 23:21:06 +08:00
|
|
|
link->win = (window_handle_t)link;
|
2005-04-17 06:20:36 +08:00
|
|
|
req.Size = (force_size) ? force_size << 20 : MAX_PCMCIA_ADDR;
|
|
|
|
dev->win_size = 0;
|
|
|
|
|
|
|
|
do {
|
|
|
|
int ret;
|
|
|
|
DEBUG(2, "requesting window with size = %dKiB memspeed = %d",
|
|
|
|
req.Size >> 10, req.AccessSpeed);
|
2006-03-31 23:21:06 +08:00
|
|
|
ret = pcmcia_request_window(&link, &req, &link->win);
|
2005-04-17 06:20:36 +08:00
|
|
|
DEBUG(2, "ret = %d dev->win_size = %d", ret, dev->win_size);
|
|
|
|
if(ret) {
|
|
|
|
req.Size >>= 1;
|
|
|
|
} else {
|
|
|
|
DEBUG(2, "Got window of size %dKiB", req.Size >> 10);
|
|
|
|
dev->win_size = req.Size;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
} while(req.Size >= 0x1000);
|
|
|
|
|
|
|
|
DEBUG(2, "dev->win_size = %d", dev->win_size);
|
|
|
|
|
|
|
|
if(!dev->win_size) {
|
|
|
|
err("Cant allocate memory window");
|
|
|
|
pcmciamtd_release(link);
|
2006-03-31 23:26:06 +08:00
|
|
|
return -ENODEV;
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
DEBUG(1, "Allocated a window of %dKiB", dev->win_size >> 10);
|
2005-11-07 19:15:40 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
/* Get write protect status */
|
2006-03-31 23:21:06 +08:00
|
|
|
CS_CHECK(GetStatus, pcmcia_get_status(link, &status));
|
2005-04-17 06:20:36 +08:00
|
|
|
DEBUG(2, "status value: 0x%x window handle = 0x%8.8lx",
|
|
|
|
status.CardState, (unsigned long)link->win);
|
|
|
|
dev->win_base = ioremap(req.Base, req.Size);
|
|
|
|
if(!dev->win_base) {
|
|
|
|
err("ioremap(%lu, %u) failed", req.Base, req.Size);
|
|
|
|
pcmciamtd_release(link);
|
2006-03-31 23:26:06 +08:00
|
|
|
return -ENODEV;
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
DEBUG(1, "mapped window dev = %p req.base = 0x%lx base = %p size = 0x%x",
|
|
|
|
dev, req.Base, dev->win_base, req.Size);
|
|
|
|
|
|
|
|
dev->offset = 0;
|
|
|
|
dev->pcmcia_map.map_priv_1 = (unsigned long)dev;
|
|
|
|
dev->pcmcia_map.map_priv_2 = (unsigned long)link->win;
|
|
|
|
|
|
|
|
DEBUG(2, "Getting configuration");
|
2006-03-31 23:21:06 +08:00
|
|
|
CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &t));
|
2005-04-17 06:20:36 +08:00
|
|
|
DEBUG(2, "Vcc = %d Vpp1 = %d Vpp2 = %d", t.Vcc, t.Vpp1, t.Vpp2);
|
|
|
|
dev->vpp = (vpp) ? vpp : t.Vpp1;
|
|
|
|
link->conf.Attributes = 0;
|
|
|
|
if(setvpp == 2) {
|
2006-01-15 19:43:16 +08:00
|
|
|
link->conf.Vpp = dev->vpp;
|
2005-04-17 06:20:36 +08:00
|
|
|
} else {
|
2006-01-15 19:43:16 +08:00
|
|
|
link->conf.Vpp = 0;
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
link->conf.IntType = INT_MEMORY;
|
|
|
|
link->conf.ConfigBase = t.ConfigBase;
|
|
|
|
link->conf.Status = t.Status;
|
|
|
|
link->conf.Pin = t.Pin;
|
|
|
|
link->conf.Copy = t.Copy;
|
|
|
|
link->conf.ExtStatus = t.ExtStatus;
|
|
|
|
link->conf.ConfigIndex = 0;
|
|
|
|
link->conf.Present = t.Present;
|
|
|
|
DEBUG(2, "Setting Configuration");
|
2006-03-31 23:21:06 +08:00
|
|
|
ret = pcmcia_request_configuration(link, &link->conf);
|
2005-04-17 06:20:36 +08:00
|
|
|
if(ret != CS_SUCCESS) {
|
2006-03-31 23:21:06 +08:00
|
|
|
cs_error(link, RequestConfiguration, ret);
|
2006-09-21 20:42:43 +08:00
|
|
|
if (dev->win_base) {
|
|
|
|
iounmap(dev->win_base);
|
|
|
|
dev->win_base = NULL;
|
|
|
|
}
|
2006-03-31 23:26:06 +08:00
|
|
|
return -ENODEV;
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
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 {
|
2006-03-31 18:29:45 +08:00
|
|
|
for(i = 0; i < ARRAY_SIZE(probes); i++) {
|
2005-04-17 06:20:36 +08:00
|
|
|
DEBUG(1, "Trying %s", probes[i]);
|
|
|
|
mtd = do_map_probe(probes[i], &dev->pcmcia_map);
|
|
|
|
if(mtd)
|
|
|
|
break;
|
2005-11-07 19:15:40 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
DEBUG(1, "FAILED: %s", probes[i]);
|
|
|
|
}
|
|
|
|
}
|
2005-11-07 19:15:40 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
if(!mtd) {
|
|
|
|
DEBUG(1, "Cant find an MTD");
|
|
|
|
pcmciamtd_release(link);
|
2006-03-31 23:26:06 +08:00
|
|
|
return -ENODEV;
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
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) {
|
|
|
|
DEBUG(1, "Using non remapping memory functions");
|
|
|
|
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(add_mtd_device(mtd)) {
|
|
|
|
map_destroy(mtd);
|
|
|
|
dev->mtd_info = NULL;
|
|
|
|
err("Couldnt register MTD device");
|
|
|
|
pcmciamtd_release(link);
|
2006-03-31 23:26:06 +08:00
|
|
|
return -ENODEV;
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
snprintf(dev->node.dev_name, sizeof(dev->node.dev_name), "mtd%d", mtd->index);
|
|
|
|
info("mtd%d: %s", mtd->index, mtd->name);
|
2006-03-05 17:45:09 +08:00
|
|
|
link->dev_node = &dev->node;
|
2006-03-31 23:26:06 +08:00
|
|
|
return 0;
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
cs_failed:
|
2006-03-31 23:21:06 +08:00
|
|
|
cs_error(link, last_fn, last_ret);
|
2005-04-17 06:20:36 +08:00
|
|
|
err("CS Error, exiting");
|
|
|
|
pcmciamtd_release(link);
|
2006-03-31 23:26:06 +08:00
|
|
|
return -ENODEV;
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-11-15 04:21:18 +08:00
|
|
|
static int pcmciamtd_suspend(struct pcmcia_device *dev)
|
|
|
|
{
|
|
|
|
DEBUG(2, "EVENT_PM_RESUME");
|
|
|
|
|
|
|
|
/* get_lock(link); */
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int pcmciamtd_resume(struct pcmcia_device *dev)
|
|
|
|
{
|
|
|
|
DEBUG(2, "EVENT_PM_SUSPEND");
|
|
|
|
|
|
|
|
/* free_lock(link); */
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
/* This deletes a driver "instance". The device is de-registered
|
|
|
|
* with Card Services. If it has been released, all local data
|
|
|
|
* structures are freed. Otherwise, the structures will be freed
|
|
|
|
* when the device is released.
|
|
|
|
*/
|
|
|
|
|
2006-03-31 23:21:06 +08:00
|
|
|
static void pcmciamtd_detach(struct pcmcia_device *link)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
2006-03-02 07:09:29 +08:00
|
|
|
struct pcmciamtd_dev *dev = link->priv;
|
2005-11-15 04:23:14 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
DEBUG(3, "link=0x%p", link);
|
|
|
|
|
2006-03-02 07:09:29 +08:00
|
|
|
if(dev->mtd_info) {
|
|
|
|
del_mtd_device(dev->mtd_info);
|
2006-05-17 18:47:48 +08:00
|
|
|
map_destroy(dev->mtd_info);
|
2006-03-02 07:09:29 +08:00
|
|
|
info("mtd%d: Removed", dev->mtd_info->index);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
2006-03-02 07:09:29 +08:00
|
|
|
|
|
|
|
pcmciamtd_release(link);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* pcmciamtd_attach() creates an "instance" of the driver, allocating
|
|
|
|
* local data structures for one device. The device is registered
|
|
|
|
* with Card Services.
|
|
|
|
*/
|
|
|
|
|
2006-03-31 23:26:06 +08:00
|
|
|
static int pcmciamtd_probe(struct pcmcia_device *link)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
struct pcmciamtd_dev *dev;
|
|
|
|
|
|
|
|
/* Create new memory card device */
|
|
|
|
dev = kmalloc(sizeof(*dev), GFP_KERNEL);
|
2005-11-15 04:25:51 +08:00
|
|
|
if (!dev) return -ENOMEM;
|
2005-04-17 06:20:36 +08:00
|
|
|
DEBUG(1, "dev=0x%p", dev);
|
|
|
|
|
|
|
|
memset(dev, 0, sizeof(*dev));
|
2006-03-31 23:21:06 +08:00
|
|
|
dev->p_dev = link;
|
2005-04-17 06:20:36 +08:00
|
|
|
link->priv = dev;
|
|
|
|
|
|
|
|
link->conf.Attributes = 0;
|
|
|
|
link->conf.IntType = INT_MEMORY;
|
|
|
|
|
2006-03-31 23:26:06 +08:00
|
|
|
return pcmciamtd_config(link);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
2005-06-28 07:28:32 +08:00
|
|
|
static 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_ID12("SEIKO EPSON", "WWB101EN20", 0xf9876baf, 0xad0b207b),
|
|
|
|
PCMCIA_DEVICE_PROD_ID12("SEIKO EPSON", "WWB513EN20", 0xf9876baf, 0xe8d884ad),
|
|
|
|
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);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
static struct pcmcia_driver pcmciamtd_driver = {
|
|
|
|
.drv = {
|
|
|
|
.name = "pcmciamtd"
|
|
|
|
},
|
2006-03-31 23:26:06 +08:00
|
|
|
.probe = pcmciamtd_probe,
|
2005-11-15 04:23:14 +08:00
|
|
|
.remove = pcmciamtd_detach,
|
2005-06-28 07:28:32 +08:00
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.id_table = pcmciamtd_ids,
|
2005-11-15 04:21:18 +08:00
|
|
|
.suspend = pcmciamtd_suspend,
|
|
|
|
.resume = pcmciamtd_resume,
|
2005-04-17 06:20:36 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
static int __init init_pcmciamtd(void)
|
|
|
|
{
|
|
|
|
info(DRIVER_DESC " " DRIVER_VERSION);
|
|
|
|
|
|
|
|
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)
|
|
|
|
{
|
|
|
|
DEBUG(1, DRIVER_DESC " unloading");
|
|
|
|
pcmcia_unregister_driver(&pcmciamtd_driver);
|
|
|
|
}
|
|
|
|
|
|
|
|
module_init(init_pcmciamtd);
|
|
|
|
module_exit(exit_pcmciamtd);
|