826 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			826 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 *  drivers/pcmcia/m32r_cfc.c
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 *
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 *  Device driver for the CFC functionality of M32R.
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 *
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 *  Copyright (c) 2001, 2002, 2003, 2004
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 *    Hiroyuki Kondo, Naoto Sugai, Hayato Fujiwara
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 */
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/fcntl.h>
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#include <linux/string.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/timer.h>
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#include <linux/slab.h>
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#include <linux/ioport.h>
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#include <linux/delay.h>
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#include <linux/workqueue.h>
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#include <linux/interrupt.h>
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#include <linux/platform_device.h>
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#include <linux/bitops.h>
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#include <asm/irq.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/ss.h>
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#include <pcmcia/cs.h>
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#undef MAX_IO_WIN	/* FIXME */
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#define MAX_IO_WIN 1
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#undef MAX_WIN		/* FIXME */
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#define MAX_WIN 1
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#include "m32r_cfc.h"
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#ifdef CONFIG_PCMCIA_DEBUG
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static int m32r_cfc_debug;
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module_param(m32r_cfc_debug, int, 0644);
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#define debug(lvl, fmt, arg...) do {				\
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	if (m32r_cfc_debug > (lvl))				\
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		printk(KERN_DEBUG "m32r_cfc: " fmt , ## arg);	\
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} while (0)
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#else
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#define debug(n, args...) do { } while (0)
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#endif
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/* Poll status interval -- 0 means default to interrupt */
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static int poll_interval = 0;
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typedef enum pcc_space { as_none = 0, as_comm, as_attr, as_io } pcc_as_t;
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typedef struct pcc_socket {
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	u_short			type, flags;
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	struct pcmcia_socket	socket;
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	unsigned int		number;
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	unsigned int		ioaddr;
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	u_long			mapaddr;
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	u_long			base;	/* PCC register base */
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	u_char			cs_irq1, cs_irq2, intr;
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	pccard_io_map		io_map[MAX_IO_WIN];
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	pccard_mem_map		mem_map[MAX_WIN];
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	u_char			io_win;
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	u_char			mem_win;
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	pcc_as_t		current_space;
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	u_char			last_iodbex;
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#ifdef CONFIG_PROC_FS
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	struct proc_dir_entry *proc;
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#endif
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} pcc_socket_t;
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static int pcc_sockets = 0;
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static pcc_socket_t socket[M32R_MAX_PCC] = {
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	{ 0, }, /* ... */
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};
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/*====================================================================*/
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static unsigned int pcc_get(u_short, unsigned int);
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static void pcc_set(u_short, unsigned int , unsigned int );
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static DEFINE_SPINLOCK(pcc_lock);
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#if !defined(CONFIG_PLAT_USRV)
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static inline u_long pcc_port2addr(unsigned long port, int size) {
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	u_long addr = 0;
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	u_long odd;
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	if (size == 1) {	/* byte access */
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		odd = (port&1) << 11;
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		port -= port & 1;
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		addr = CFC_IO_MAPBASE_BYTE - CFC_IOPORT_BASE + odd + port;
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	} else if (size == 2)
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		addr = CFC_IO_MAPBASE_WORD - CFC_IOPORT_BASE + port;
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	return addr;
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}
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#else	/* CONFIG_PLAT_USRV */
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static inline u_long pcc_port2addr(unsigned long port, int size) {
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	u_long odd;
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	u_long addr = ((port - CFC_IOPORT_BASE) & 0xf000) << 8;
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	if (size == 1) {	/* byte access */
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		odd = port & 1;
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		port -= odd;
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		odd <<= 11;
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		addr = (addr | CFC_IO_MAPBASE_BYTE) + odd + (port & 0xfff);
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	} else if (size == 2)	/* word access */
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		addr = (addr | CFC_IO_MAPBASE_WORD) + (port & 0xfff);
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	return addr;
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}
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#endif	/* CONFIG_PLAT_USRV */
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void pcc_ioread_byte(int sock, unsigned long port, void *buf, size_t size,
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	size_t nmemb, int flag)
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{
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	u_long addr;
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	unsigned char *bp = (unsigned char *)buf;
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	unsigned long flags;
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	debug(3, "m32r_cfc: pcc_ioread_byte: sock=%d, port=%#lx, buf=%p, "
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		 "size=%u, nmemb=%d, flag=%d\n",
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		  sock, port, buf, size, nmemb, flag);
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	addr = pcc_port2addr(port, 1);
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	if (!addr) {
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		printk("m32r_cfc:ioread_byte null port :%#lx\n",port);
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		return;
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	}
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	debug(3, "m32r_cfc: pcc_ioread_byte: addr=%#lx\n", addr);
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	spin_lock_irqsave(&pcc_lock, flags);
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	/* read Byte */
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	while (nmemb--)
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		*bp++ = readb(addr);
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	spin_unlock_irqrestore(&pcc_lock, flags);
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}
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void pcc_ioread_word(int sock, unsigned long port, void *buf, size_t size,
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	size_t nmemb, int flag)
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{
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	u_long addr;
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	unsigned short *bp = (unsigned short *)buf;
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	unsigned long flags;
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	debug(3, "m32r_cfc: pcc_ioread_word: sock=%d, port=%#lx, "
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		 "buf=%p, size=%u, nmemb=%d, flag=%d\n",
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		 sock, port, buf, size, nmemb, flag);
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	if (size != 2)
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		printk("m32r_cfc: ioread_word :illigal size %u : %#lx\n", size,
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			port);
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	if (size == 9)
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		printk("m32r_cfc: ioread_word :insw \n");
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	addr = pcc_port2addr(port, 2);
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	if (!addr) {
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		printk("m32r_cfc:ioread_word null port :%#lx\n",port);
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		return;
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	}
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	debug(3, "m32r_cfc: pcc_ioread_word: addr=%#lx\n", addr);
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	spin_lock_irqsave(&pcc_lock, flags);
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	/* read Word */
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	while (nmemb--)
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		*bp++ = readw(addr);
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	spin_unlock_irqrestore(&pcc_lock, flags);
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}
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void pcc_iowrite_byte(int sock, unsigned long port, void *buf, size_t size,
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	size_t nmemb, int flag)
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{
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	u_long addr;
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	unsigned char *bp = (unsigned char *)buf;
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	unsigned long flags;
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	debug(3, "m32r_cfc: pcc_iowrite_byte: sock=%d, port=%#lx, "
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		 "buf=%p, size=%u, nmemb=%d, flag=%d\n",
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		 sock, port, buf, size, nmemb, flag);
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	/* write Byte */
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	addr = pcc_port2addr(port, 1);
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	if (!addr) {
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		printk("m32r_cfc:iowrite_byte null port:%#lx\n",port);
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		return;
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	}
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	debug(3, "m32r_cfc: pcc_iowrite_byte: addr=%#lx\n", addr);
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	spin_lock_irqsave(&pcc_lock, flags);
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	while (nmemb--)
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		writeb(*bp++, addr);
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	spin_unlock_irqrestore(&pcc_lock, flags);
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}
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void pcc_iowrite_word(int sock, unsigned long port, void *buf, size_t size,
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	size_t nmemb, int flag)
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{
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	u_long addr;
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	unsigned short *bp = (unsigned short *)buf;
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	unsigned long flags;
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	debug(3, "m32r_cfc: pcc_iowrite_word: sock=%d, port=%#lx, "
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		 "buf=%p, size=%u, nmemb=%d, flag=%d\n",
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		 sock, port, buf, size, nmemb, flag);
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	if(size != 2)
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		printk("m32r_cfc: iowrite_word :illigal size %u : %#lx\n",
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			size, port);
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	if(size == 9)
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		printk("m32r_cfc: iowrite_word :outsw \n");
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	addr = pcc_port2addr(port, 2);
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	if (!addr) {
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		printk("m32r_cfc:iowrite_word null addr :%#lx\n",port);
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		return;
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	}
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#if 1
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	if (addr & 1) {
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		printk("m32r_cfc:iowrite_word port addr (%#lx):%#lx\n", port,
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			addr);
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		return;
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	}
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#endif
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	debug(3, "m32r_cfc: pcc_iowrite_word: addr=%#lx\n", addr);
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	spin_lock_irqsave(&pcc_lock, flags);
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	while (nmemb--)
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		writew(*bp++, addr);
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	spin_unlock_irqrestore(&pcc_lock, flags);
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}
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/*====================================================================*/
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#define IS_REGISTERED		0x2000
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#define IS_ALIVE		0x8000
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typedef struct pcc_t {
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	char			*name;
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	u_short			flags;
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} pcc_t;
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static pcc_t pcc[] = {
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#if !defined(CONFIG_PLAT_USRV)
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	{ "m32r_cfc", 0 }, { "", 0 },
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#else	/* CONFIG_PLAT_USRV */
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	{ "m32r_cfc", 0 }, { "m32r_cfc", 0 }, { "m32r_cfc", 0 },
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	{ "m32r_cfc", 0 }, { "m32r_cfc", 0 }, { "", 0 },
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#endif	/* CONFIG_PLAT_USRV */
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};
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static irqreturn_t pcc_interrupt(int, void *);
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/*====================================================================*/
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static struct timer_list poll_timer;
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static unsigned int pcc_get(u_short sock, unsigned int reg)
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{
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	unsigned int val = inw(reg);
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	debug(3, "m32r_cfc: pcc_get: reg(0x%08x)=0x%04x\n", reg, val);
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	return val;
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}
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static void pcc_set(u_short sock, unsigned int reg, unsigned int data)
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{
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	outw(data, reg);
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	debug(3, "m32r_cfc: pcc_set: reg(0x%08x)=0x%04x\n", reg, data);
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}
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/*======================================================================
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	See if a card is present, powered up, in IO mode, and already
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	bound to a (non PC Card) Linux driver.  We leave these alone.
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	We make an exception for cards that seem to be serial devices.
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======================================================================*/
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static int __init is_alive(u_short sock)
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{
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	unsigned int stat;
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	debug(3, "m32r_cfc: is_alive:\n");
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	printk("CF: ");
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	stat = pcc_get(sock, (unsigned int)PLD_CFSTS);
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	if (!stat)
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		printk("No ");
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	printk("Card is detected at socket %d : stat = 0x%08x\n", sock, stat);
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	debug(3, "m32r_cfc: is_alive: sock stat is 0x%04x\n", stat);
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	return 0;
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}
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static void add_pcc_socket(ulong base, int irq, ulong mapaddr,
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			   unsigned int ioaddr)
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{
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	pcc_socket_t *t = &socket[pcc_sockets];
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	debug(3, "m32r_cfc: add_pcc_socket: base=%#lx, irq=%d, "
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		 "mapaddr=%#lx, ioaddr=%08x\n",
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		 base, irq, mapaddr, ioaddr);
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	/* add sockets */
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	t->ioaddr = ioaddr;
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	t->mapaddr = mapaddr;
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#if !defined(CONFIG_PLAT_USRV)
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	t->base = 0;
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	t->flags = 0;
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	t->cs_irq1 = irq;		// insert irq
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	t->cs_irq2 = irq + 1;		// eject irq
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#else	/* CONFIG_PLAT_USRV */
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	t->base = base;
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	t->flags = 0;
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	t->cs_irq1 = 0;			// insert irq
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	t->cs_irq2 = 0;			// eject irq
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#endif	/* CONFIG_PLAT_USRV */
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	if (is_alive(pcc_sockets))
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		t->flags |= IS_ALIVE;
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	/* add pcc */
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#if !defined(CONFIG_PLAT_USRV)
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	request_region((unsigned int)PLD_CFRSTCR, 0x20, "m32r_cfc");
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#else	/* CONFIG_PLAT_USRV */
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	{
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		unsigned int reg_base;
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		reg_base = (unsigned int)PLD_CFRSTCR;
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		reg_base |= pcc_sockets << 8;
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		request_region(reg_base, 0x20, "m32r_cfc");
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	}
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#endif	/* CONFIG_PLAT_USRV */
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	printk(KERN_INFO "  %s ", pcc[pcc_sockets].name);
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	printk("pcc at 0x%08lx\n", t->base);
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	/* Update socket interrupt information, capabilities */
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	t->socket.features |= (SS_CAP_PCCARD | SS_CAP_STATIC_MAP);
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	t->socket.map_size = M32R_PCC_MAPSIZE;
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	t->socket.io_offset = ioaddr;	/* use for io access offset */
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	t->socket.irq_mask = 0;
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#if !defined(CONFIG_PLAT_USRV)
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	t->socket.pci_irq = PLD_IRQ_CFIREQ ;	/* card interrupt */
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#else	/* CONFIG_PLAT_USRV */
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	t->socket.pci_irq = PLD_IRQ_CF0 + pcc_sockets;
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#endif	/* CONFIG_PLAT_USRV */
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#ifndef CONFIG_PLAT_USRV
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	/* insert interrupt */
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	request_irq(irq, pcc_interrupt, 0, "m32r_cfc", pcc_interrupt);
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#ifndef CONFIG_PLAT_MAPPI3
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	/* eject interrupt */
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	request_irq(irq+1, pcc_interrupt, 0, "m32r_cfc", pcc_interrupt);
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#endif
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	debug(3, "m32r_cfc: enable CFMSK, RDYSEL\n");
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	pcc_set(pcc_sockets, (unsigned int)PLD_CFIMASK, 0x01);
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#endif	/* CONFIG_PLAT_USRV */
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#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT)
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	pcc_set(pcc_sockets, (unsigned int)PLD_CFCR1, 0x0200);
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#endif
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	pcc_sockets++;
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	return;
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}
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/*====================================================================*/
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static irqreturn_t pcc_interrupt(int irq, void *dev)
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{
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	int i;
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	u_int events = 0;
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	int handled = 0;
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	debug(3, "m32r_cfc: pcc_interrupt: irq=%d, dev=%p\n", irq, dev);
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	for (i = 0; i < pcc_sockets; i++) {
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		if (socket[i].cs_irq1 != irq && socket[i].cs_irq2 != irq)
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			continue;
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		handled = 1;
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		debug(3, "m32r_cfc: pcc_interrupt: socket %d irq 0x%02x ",
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			i, irq);
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		events |= SS_DETECT;	/* insert or eject */
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		if (events)
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			pcmcia_parse_events(&socket[i].socket, events);
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	}
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	debug(3, "m32r_cfc: pcc_interrupt: done\n");
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	return IRQ_RETVAL(handled);
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} /* pcc_interrupt */
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static void pcc_interrupt_wrapper(u_long data)
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{
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	debug(3, "m32r_cfc: pcc_interrupt_wrapper:\n");
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						|
	pcc_interrupt(0, NULL);
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						|
	init_timer(&poll_timer);
 | 
						|
	poll_timer.expires = jiffies + poll_interval;
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						|
	add_timer(&poll_timer);
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}
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/*====================================================================*/
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static int _pcc_get_status(u_short sock, u_int *value)
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{
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	u_int status;
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 | 
						|
	debug(3, "m32r_cfc: _pcc_get_status:\n");
 | 
						|
	status = pcc_get(sock, (unsigned int)PLD_CFSTS);
 | 
						|
	*value = (status) ? SS_DETECT : 0;
 | 
						|
 	debug(3, "m32r_cfc: _pcc_get_status: status=0x%08x\n", status);
 | 
						|
 | 
						|
#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT)
 | 
						|
	if ( status ) {
 | 
						|
		/* enable CF power */
 | 
						|
		status = inw((unsigned int)PLD_CPCR);
 | 
						|
		if (!(status & PLD_CPCR_CF)) {
 | 
						|
			debug(3, "m32r_cfc: _pcc_get_status: "
 | 
						|
				 "power on (CPCR=0x%08x)\n", status);
 | 
						|
			status |= PLD_CPCR_CF;
 | 
						|
			outw(status, (unsigned int)PLD_CPCR);
 | 
						|
			udelay(100);
 | 
						|
		}
 | 
						|
		*value |= SS_POWERON;
 | 
						|
 | 
						|
		pcc_set(sock, (unsigned int)PLD_CFBUFCR,0);/* enable buffer */
 | 
						|
		udelay(100);
 | 
						|
 | 
						|
		*value |= SS_READY; 		/* always ready */
 | 
						|
		*value |= SS_3VCARD;
 | 
						|
	} else {
 | 
						|
		/* disable CF power */
 | 
						|
		status = inw((unsigned int)PLD_CPCR);
 | 
						|
		status &= ~PLD_CPCR_CF;
 | 
						|
		outw(status, (unsigned int)PLD_CPCR);
 | 
						|
		udelay(100);
 | 
						|
		debug(3, "m32r_cfc: _pcc_get_status: "
 | 
						|
			 "power off (CPCR=0x%08x)\n", status);
 | 
						|
	}
 | 
						|
#elif defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3)
 | 
						|
	if ( status ) {
 | 
						|
		status = pcc_get(sock, (unsigned int)PLD_CPCR);
 | 
						|
		if (status == 0) { /* power off */
 | 
						|
			pcc_set(sock, (unsigned int)PLD_CPCR, 1);
 | 
						|
			pcc_set(sock, (unsigned int)PLD_CFBUFCR,0); /* force buffer off for ZA-36 */
 | 
						|
			udelay(50);
 | 
						|
		}
 | 
						|
		*value |= SS_POWERON;
 | 
						|
 | 
						|
		pcc_set(sock, (unsigned int)PLD_CFBUFCR,0);
 | 
						|
		udelay(50);
 | 
						|
		pcc_set(sock, (unsigned int)PLD_CFRSTCR, 0x0101);
 | 
						|
		udelay(25); /* for IDE reset */
 | 
						|
		pcc_set(sock, (unsigned int)PLD_CFRSTCR, 0x0100);
 | 
						|
		mdelay(2);  /* for IDE reset */
 | 
						|
 | 
						|
		*value |= SS_READY;
 | 
						|
		*value |= SS_3VCARD;
 | 
						|
	} else {
 | 
						|
		/* disable CF power */
 | 
						|
	        pcc_set(sock, (unsigned int)PLD_CPCR, 0);
 | 
						|
		udelay(100);
 | 
						|
		debug(3, "m32r_cfc: _pcc_get_status: "
 | 
						|
			 "power off (CPCR=0x%08x)\n", status);
 | 
						|
	}
 | 
						|
#else
 | 
						|
#error no platform configuration
 | 
						|
#endif
 | 
						|
	debug(3, "m32r_cfc: _pcc_get_status: GetStatus(%d) = %#4.4x\n",
 | 
						|
		 sock, *value);
 | 
						|
	return 0;
 | 
						|
} /* _get_status */
 | 
						|
 | 
						|
/*====================================================================*/
 | 
						|
 | 
						|
static int _pcc_set_socket(u_short sock, socket_state_t *state)
 | 
						|
{
 | 
						|
	debug(3, "m32r_cfc: SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
 | 
						|
		  "io_irq %d, csc_mask %#2.2x)\n", sock, state->flags,
 | 
						|
		  state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
 | 
						|
 | 
						|
#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT) || defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3)
 | 
						|
	if (state->Vcc) {
 | 
						|
		if ((state->Vcc != 50) && (state->Vcc != 33))
 | 
						|
			return -EINVAL;
 | 
						|
		/* accept 5V and 3.3V */
 | 
						|
	}
 | 
						|
#endif
 | 
						|
	if (state->flags & SS_RESET) {
 | 
						|
		debug(3, ":RESET\n");
 | 
						|
		pcc_set(sock,(unsigned int)PLD_CFRSTCR,0x101);
 | 
						|
	}else{
 | 
						|
		pcc_set(sock,(unsigned int)PLD_CFRSTCR,0x100);
 | 
						|
	}
 | 
						|
	if (state->flags & SS_OUTPUT_ENA){
 | 
						|
		debug(3, ":OUTPUT_ENA\n");
 | 
						|
		/* bit clear */
 | 
						|
		pcc_set(sock,(unsigned int)PLD_CFBUFCR,0);
 | 
						|
	} else {
 | 
						|
		pcc_set(sock,(unsigned int)PLD_CFBUFCR,1);
 | 
						|
	}
 | 
						|
 | 
						|
#ifdef CONFIG_PCMCIA_DEBUG
 | 
						|
	if(state->flags & SS_IOCARD){
 | 
						|
		debug(3, ":IOCARD");
 | 
						|
	}
 | 
						|
	if (state->flags & SS_PWR_AUTO) {
 | 
						|
		debug(3, ":PWR_AUTO");
 | 
						|
	}
 | 
						|
	if (state->csc_mask & SS_DETECT)
 | 
						|
		debug(3, ":csc-SS_DETECT");
 | 
						|
	if (state->flags & SS_IOCARD) {
 | 
						|
		if (state->csc_mask & SS_STSCHG)
 | 
						|
			debug(3, ":STSCHG");
 | 
						|
	} else {
 | 
						|
		if (state->csc_mask & SS_BATDEAD)
 | 
						|
			debug(3, ":BATDEAD");
 | 
						|
		if (state->csc_mask & SS_BATWARN)
 | 
						|
			debug(3, ":BATWARN");
 | 
						|
		if (state->csc_mask & SS_READY)
 | 
						|
			debug(3, ":READY");
 | 
						|
	}
 | 
						|
	debug(3, "\n");
 | 
						|
#endif
 | 
						|
	return 0;
 | 
						|
} /* _set_socket */
 | 
						|
 | 
						|
/*====================================================================*/
 | 
						|
 | 
						|
static int _pcc_set_io_map(u_short sock, struct pccard_io_map *io)
 | 
						|
{
 | 
						|
	u_char map;
 | 
						|
 | 
						|
	debug(3, "m32r_cfc: SetIOMap(%d, %d, %#2.2x, %d ns, "
 | 
						|
		  "%#llx-%#llx)\n", sock, io->map, io->flags,
 | 
						|
		  io->speed, (unsigned long long)io->start,
 | 
						|
		  (unsigned long long)io->stop);
 | 
						|
	map = io->map;
 | 
						|
 | 
						|
	return 0;
 | 
						|
} /* _set_io_map */
 | 
						|
 | 
						|
/*====================================================================*/
 | 
						|
 | 
						|
static int _pcc_set_mem_map(u_short sock, struct pccard_mem_map *mem)
 | 
						|
{
 | 
						|
 | 
						|
	u_char map = mem->map;
 | 
						|
	u_long addr;
 | 
						|
	pcc_socket_t *t = &socket[sock];
 | 
						|
 | 
						|
	debug(3, "m32r_cfc: SetMemMap(%d, %d, %#2.2x, %d ns, "
 | 
						|
		 "%#llx, %#x)\n", sock, map, mem->flags,
 | 
						|
		 mem->speed, (unsigned long long)mem->static_start,
 | 
						|
		 mem->card_start);
 | 
						|
 | 
						|
	/*
 | 
						|
	 * sanity check
 | 
						|
	 */
 | 
						|
	if ((map > MAX_WIN) || (mem->card_start > 0x3ffffff)){
 | 
						|
		return -EINVAL;
 | 
						|
	}
 | 
						|
 | 
						|
	/*
 | 
						|
	 * de-activate
 | 
						|
	 */
 | 
						|
	if ((mem->flags & MAP_ACTIVE) == 0) {
 | 
						|
		t->current_space = as_none;
 | 
						|
		return 0;
 | 
						|
	}
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Set mode
 | 
						|
	 */
 | 
						|
	if (mem->flags & MAP_ATTRIB) {
 | 
						|
		t->current_space = as_attr;
 | 
						|
	} else {
 | 
						|
		t->current_space = as_comm;
 | 
						|
	}
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Set address
 | 
						|
	 */
 | 
						|
	addr = t->mapaddr + (mem->card_start & M32R_PCC_MAPMASK);
 | 
						|
	mem->static_start = addr + mem->card_start;
 | 
						|
 | 
						|
	return 0;
 | 
						|
 | 
						|
} /* _set_mem_map */
 | 
						|
 | 
						|
#if 0 /* driver model ordering issue */
 | 
						|
/*======================================================================
 | 
						|
 | 
						|
	Routines for accessing socket information and register dumps via
 | 
						|
	/proc/bus/pccard/...
 | 
						|
 | 
						|
======================================================================*/
 | 
						|
 | 
						|
static ssize_t show_info(struct class_device *class_dev, char *buf)
 | 
						|
{
 | 
						|
	pcc_socket_t *s = container_of(class_dev, struct pcc_socket,
 | 
						|
		socket.dev);
 | 
						|
 | 
						|
	return sprintf(buf, "type:     %s\nbase addr:    0x%08lx\n",
 | 
						|
		pcc[s->type].name, s->base);
 | 
						|
}
 | 
						|
 | 
						|
static ssize_t show_exca(struct class_device *class_dev, char *buf)
 | 
						|
{
 | 
						|
	/* FIXME */
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL);
 | 
						|
static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL);
 | 
						|
#endif
 | 
						|
 | 
						|
/*====================================================================*/
 | 
						|
 | 
						|
/* this is horribly ugly... proper locking needs to be done here at
 | 
						|
 * some time... */
 | 
						|
#define LOCKED(x) do {					\
 | 
						|
	int retval;					\
 | 
						|
	unsigned long flags;				\
 | 
						|
	spin_lock_irqsave(&pcc_lock, flags);		\
 | 
						|
	retval = x;					\
 | 
						|
	spin_unlock_irqrestore(&pcc_lock, flags);	\
 | 
						|
	return retval;					\
 | 
						|
} while (0)
 | 
						|
 | 
						|
 | 
						|
static int pcc_get_status(struct pcmcia_socket *s, u_int *value)
 | 
						|
{
 | 
						|
	unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
 | 
						|
 | 
						|
	if (socket[sock].flags & IS_ALIVE) {
 | 
						|
		debug(3, "m32r_cfc: pcc_get_status: sock(%d) -EINVAL\n", sock);
 | 
						|
		*value = 0;
 | 
						|
		return -EINVAL;
 | 
						|
	}
 | 
						|
	debug(3, "m32r_cfc: pcc_get_status: sock(%d)\n", sock);
 | 
						|
	LOCKED(_pcc_get_status(sock, value));
 | 
						|
}
 | 
						|
 | 
						|
static int pcc_set_socket(struct pcmcia_socket *s, socket_state_t *state)
 | 
						|
{
 | 
						|
	unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
 | 
						|
 | 
						|
	if (socket[sock].flags & IS_ALIVE) {
 | 
						|
		debug(3, "m32r_cfc: pcc_set_socket: sock(%d) -EINVAL\n", sock);
 | 
						|
		return -EINVAL;
 | 
						|
	}
 | 
						|
	debug(3, "m32r_cfc: pcc_set_socket: sock(%d)\n", sock);
 | 
						|
	LOCKED(_pcc_set_socket(sock, state));
 | 
						|
}
 | 
						|
 | 
						|
static int pcc_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
 | 
						|
{
 | 
						|
	unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
 | 
						|
 | 
						|
	if (socket[sock].flags & IS_ALIVE) {
 | 
						|
		debug(3, "m32r_cfc: pcc_set_io_map: sock(%d) -EINVAL\n", sock);
 | 
						|
		return -EINVAL;
 | 
						|
	}
 | 
						|
	debug(3, "m32r_cfc: pcc_set_io_map: sock(%d)\n", sock);
 | 
						|
	LOCKED(_pcc_set_io_map(sock, io));
 | 
						|
}
 | 
						|
 | 
						|
static int pcc_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem)
 | 
						|
{
 | 
						|
	unsigned int sock = container_of(s, struct pcc_socket, socket)->number;
 | 
						|
 | 
						|
	if (socket[sock].flags & IS_ALIVE) {
 | 
						|
		debug(3, "m32r_cfc: pcc_set_mem_map: sock(%d) -EINVAL\n", sock);
 | 
						|
		return -EINVAL;
 | 
						|
	}
 | 
						|
	debug(3, "m32r_cfc: pcc_set_mem_map: sock(%d)\n", sock);
 | 
						|
	LOCKED(_pcc_set_mem_map(sock, mem));
 | 
						|
}
 | 
						|
 | 
						|
static int pcc_init(struct pcmcia_socket *s)
 | 
						|
{
 | 
						|
	debug(3, "m32r_cfc: pcc_init()\n");
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
static struct pccard_operations pcc_operations = {
 | 
						|
	.init			= pcc_init,
 | 
						|
	.get_status		= pcc_get_status,
 | 
						|
	.set_socket		= pcc_set_socket,
 | 
						|
	.set_io_map		= pcc_set_io_map,
 | 
						|
	.set_mem_map		= pcc_set_mem_map,
 | 
						|
};
 | 
						|
 | 
						|
static int cfc_drv_pcmcia_suspend(struct platform_device *dev,
 | 
						|
				     pm_message_t state)
 | 
						|
{
 | 
						|
	return pcmcia_socket_dev_suspend(&dev->dev);
 | 
						|
}
 | 
						|
 | 
						|
static int cfc_drv_pcmcia_resume(struct platform_device *dev)
 | 
						|
{
 | 
						|
	return pcmcia_socket_dev_resume(&dev->dev);
 | 
						|
}
 | 
						|
/*====================================================================*/
 | 
						|
 | 
						|
static struct platform_driver pcc_driver = {
 | 
						|
	.driver = {
 | 
						|
		.name		= "cfc",
 | 
						|
		.owner		= THIS_MODULE,
 | 
						|
	},
 | 
						|
	.suspend 	= cfc_drv_pcmcia_suspend,
 | 
						|
	.resume 	= cfc_drv_pcmcia_resume,
 | 
						|
};
 | 
						|
 | 
						|
static struct platform_device pcc_device = {
 | 
						|
	.name = "cfc",
 | 
						|
	.id = 0,
 | 
						|
};
 | 
						|
 | 
						|
/*====================================================================*/
 | 
						|
 | 
						|
static int __init init_m32r_pcc(void)
 | 
						|
{
 | 
						|
	int i, ret;
 | 
						|
 | 
						|
	ret = platform_driver_register(&pcc_driver);
 | 
						|
	if (ret)
 | 
						|
		return ret;
 | 
						|
 | 
						|
	ret = platform_device_register(&pcc_device);
 | 
						|
	if (ret){
 | 
						|
		platform_driver_unregister(&pcc_driver);
 | 
						|
		return ret;
 | 
						|
	}
 | 
						|
 | 
						|
#if defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3)
 | 
						|
	pcc_set(0, (unsigned int)PLD_CFCR0, 0x0f0f);
 | 
						|
	pcc_set(0, (unsigned int)PLD_CFCR1, 0x0200);
 | 
						|
#endif
 | 
						|
 | 
						|
	pcc_sockets = 0;
 | 
						|
 | 
						|
#if !defined(CONFIG_PLAT_USRV)
 | 
						|
	add_pcc_socket(M32R_PCC0_BASE, PLD_IRQ_CFC_INSERT, CFC_ATTR_MAPBASE,
 | 
						|
		       CFC_IOPORT_BASE);
 | 
						|
#else	/* CONFIG_PLAT_USRV */
 | 
						|
	{
 | 
						|
		ulong base, mapaddr;
 | 
						|
		unsigned int ioaddr;
 | 
						|
 | 
						|
		for (i = 0 ; i < M32R_MAX_PCC ; i++) {
 | 
						|
			base = (ulong)PLD_CFRSTCR;
 | 
						|
			base = base | (i << 8);
 | 
						|
			ioaddr = (i + 1) << 12;
 | 
						|
			mapaddr = CFC_ATTR_MAPBASE | (i << 20);
 | 
						|
			add_pcc_socket(base, 0, mapaddr, ioaddr);
 | 
						|
		}
 | 
						|
	}
 | 
						|
#endif	/* CONFIG_PLAT_USRV */
 | 
						|
 | 
						|
	if (pcc_sockets == 0) {
 | 
						|
		printk("socket is not found.\n");
 | 
						|
		platform_device_unregister(&pcc_device);
 | 
						|
		platform_driver_unregister(&pcc_driver);
 | 
						|
		return -ENODEV;
 | 
						|
	}
 | 
						|
 | 
						|
	/* Set up interrupt handler(s) */
 | 
						|
 | 
						|
	for (i = 0 ; i < pcc_sockets ; i++) {
 | 
						|
		socket[i].socket.dev.parent = &pcc_device.dev;
 | 
						|
		socket[i].socket.ops = &pcc_operations;
 | 
						|
		socket[i].socket.resource_ops = &pccard_nonstatic_ops;
 | 
						|
		socket[i].socket.owner = THIS_MODULE;
 | 
						|
		socket[i].number = i;
 | 
						|
		ret = pcmcia_register_socket(&socket[i].socket);
 | 
						|
		if (!ret)
 | 
						|
			socket[i].flags |= IS_REGISTERED;
 | 
						|
 | 
						|
#if 0	/* driver model ordering issue */
 | 
						|
		class_device_create_file(&socket[i].socket.dev,
 | 
						|
					 &class_device_attr_info);
 | 
						|
		class_device_create_file(&socket[i].socket.dev,
 | 
						|
					 &class_device_attr_exca);
 | 
						|
#endif
 | 
						|
	}
 | 
						|
 | 
						|
	/* Finally, schedule a polling interrupt */
 | 
						|
	if (poll_interval != 0) {
 | 
						|
		poll_timer.function = pcc_interrupt_wrapper;
 | 
						|
		poll_timer.data = 0;
 | 
						|
		init_timer(&poll_timer);
 | 
						|
		poll_timer.expires = jiffies + poll_interval;
 | 
						|
		add_timer(&poll_timer);
 | 
						|
	}
 | 
						|
 | 
						|
	return 0;
 | 
						|
} /* init_m32r_pcc */
 | 
						|
 | 
						|
static void __exit exit_m32r_pcc(void)
 | 
						|
{
 | 
						|
	int i;
 | 
						|
 | 
						|
	for (i = 0; i < pcc_sockets; i++)
 | 
						|
		if (socket[i].flags & IS_REGISTERED)
 | 
						|
			pcmcia_unregister_socket(&socket[i].socket);
 | 
						|
 | 
						|
	platform_device_unregister(&pcc_device);
 | 
						|
	if (poll_interval != 0)
 | 
						|
		del_timer_sync(&poll_timer);
 | 
						|
 | 
						|
	platform_driver_unregister(&pcc_driver);
 | 
						|
} /* exit_m32r_pcc */
 | 
						|
 | 
						|
module_init(init_m32r_pcc);
 | 
						|
module_exit(exit_m32r_pcc);
 | 
						|
MODULE_LICENSE("Dual MPL/GPL");
 | 
						|
/*====================================================================*/
 |