patch-2.4.20 linux-2.4.20/drivers/pcmcia/au1000_pb1000.c

• Lines: 308
• Date: Wed Dec 31 16:00:00 1969
• Orig file: linux-2.4.19/drivers/pcmcia/au1000_pb1000.c
• Orig date: Fri Aug 2 17:39:44 2002

diff -urN linux-2.4.19/drivers/pcmcia/au1000_pb1000.c linux-2.4.20/drivers/pcmcia/au1000_pb1000.c
@@ -1,307 +0,0 @@
-/*
- *
- * Alchemy Semi PB1000 board specific pcmcia routines.
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *         	ppopov@mvista.com or source@mvista.com
- *
- * ########################################################################
- *
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License (Version 2) as
- *  published by the Free Software Foundation.
- *
- *  This program is distributed in the hope it will be useful, but WITHOUT
- *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- *  for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * ########################################################################
- *
- * 
- */
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/config.h>
-#include <linux/delay.h>
-#include <linux/ioport.h>
-#include <linux/kernel.h>
-#include <linux/tqueue.h>
-#include <linux/timer.h>
-#include <linux/mm.h>
-#include <linux/proc_fs.h>
-#include <linux/version.h>
-#include <linux/types.h>
-
-#include <pcmcia/version.h>
-#include <pcmcia/cs_types.h>
-#include <pcmcia/cs.h>
-#include <pcmcia/ss.h>
-#include <pcmcia/bulkmem.h>
-#include <pcmcia/cistpl.h>
-#include <pcmcia/bus_ops.h>
-#include "cs_internal.h"
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/system.h>
-
-#include <asm/au1000.h>
-#include <asm/au1000_pcmcia.h>
-#include <asm/pb1000.h>
-
-
-extern struct pcmcia_x_table x_table;
-
-static int pb1000_pcmcia_init(struct pcmcia_init *init)
-{
-	u32 pcr;
-	pcr = PCR_SLOT_0_RST | PCR_SLOT_1_RST;
-
-	writel(0x8000, PB1000_MDR); /* clear pcmcia interrupt */
-	au_sync_delay(100);
-	writel(0x4000, PB1000_MDR); /* enable pcmcia interrupt */
-	au_sync();
-
-	pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,0);
-	pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,1);
-	writew(pcr, PB1000_PCR);
-	au_sync_delay(20);
-	  
-	/* There's two sockets, but only the first one, 0, is used and tested */
-	return 1;
-}
-
-static int pb1000_pcmcia_shutdown(void)
-{
-	u16 pcr;
-	pcr = PCR_SLOT_0_RST | PCR_SLOT_1_RST;
-	pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,0);
-	pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,1);
-	writew(pcr, PB1000_PCR);
-	au_sync_delay(20);
-	return 0;
-}
-
-static int 
-pb1000_pcmcia_socket_state(unsigned sock, struct pcmcia_state *state)
-{
-	u16 levels, pcr;
-	unsigned char vs;
-
-	levels = readw(PB1000_ACR1);
-	pcr = readw(PB1000_PCR);
-
-	state->ready = 0;
-	state->vs_Xv = 0;
-	state->vs_3v = 0;
-	state->detect = 0;
-
-	/* 
-	 * This is tricky. The READY pin is also the #IRQ pin.  We'll treat
-	 * READY as #IRQ and set state->ready to 1 whenever state->detect 
-	 * is true.
-	 */
-
-	/* 
-	 * CD1/2 are active low; so are the VSS pins; Ready is active high
-	 */
-	if (sock == 0) {
-		if (!(levels & (ACR1_SLOT_0_CD1 | ACR1_SLOT_0_CD2))) {
-			state->detect = 1;
-			vs =  (levels >> 4) & 0x3;
-			switch (vs) {
-				case 0:
-				case 1:
-				case 2:
-					state->vs_3v=1;
-					break;
-				case 3:
-				default:
-					break;
-			}
-		}
-	}
-	else if (sock == 1) {
-		if (!(levels & (ACR1_SLOT_1_CD1 | ACR1_SLOT_1_CD2))) {
-			state->detect = 1;
-			vs =  (levels >> 12) & 0x3;
-			switch (vs) {
-				case 0:
-				case 1:
-				case 2:
-					state->vs_3v=1;
-					break;
-				case 3:
-				default:
-					break;
-			}
-		}
-	}
-	else  {
-		printk(KERN_ERR "pb1000 socket_state bad sock %d\n", sock);
-	}
-
-	if (state->detect)
-		state->ready = 1;
-
-	state->bvd1=1;
-	state->bvd2=1;
-	state->wrprot=0; 
-	return 1;
-}
-
-
-static int pb1000_pcmcia_get_irq_info(struct pcmcia_irq_info *info)
-{
-
-	if(info->sock > PCMCIA_MAX_SOCK) return -1;
-
-	if(info->sock == 0)
-		info->irq = AU1000_GPIO_15;
-	else 
-		info->irq = -1;
-
-	return 0;
-}
-
-
-static int 
-pb1000_pcmcia_configure_socket(const struct pcmcia_configure *configure)
-{
-	u16 pcr;
-
-	if(configure->sock > PCMCIA_MAX_SOCK) return -1;
-
-	pcr = readw(PB1000_PCR);
-
-	if (configure->sock == 0) {
-		pcr &= ~(PCR_SLOT_0_VCC0 | PCR_SLOT_0_VCC1 | 
-				PCR_SLOT_0_VPP0 | PCR_SLOT_0_VPP1);
-	}
-	else  {
-		pcr &= ~(PCR_SLOT_1_VCC0 | PCR_SLOT_1_VCC1 | 
-				PCR_SLOT_1_VPP0 | PCR_SLOT_1_VPP1);
-	}
-
-	pcr &= ~PCR_SLOT_0_RST;
-	/*
-	writew(pcr, PB1000_PCR);
-	au_sync_delay(200);
-	*/
-	DEBUG(KERN_INFO "Vcc %dV Vpp %dV, pcr %x\n", 
-			configure->vcc, configure->vpp, pcr);
-	switch(configure->vcc){
-		case 0:  /* Vcc 0 */
-			switch(configure->vpp) {
-				case 0:
-					pcr |= SET_VCC_VPP(VCC_HIZ,VPP_GND,
-							configure->sock);
-					break;
-				case 12:
-					pcr |= SET_VCC_VPP(VCC_HIZ,VPP_12V,
-							configure->sock);
-					break;
-				case 50:
-					pcr |= SET_VCC_VPP(VCC_HIZ,VPP_5V,
-							configure->sock);
-					break;
-				case 33:
-					pcr |= SET_VCC_VPP(VCC_HIZ,VPP_3V,
-							configure->sock);
-					break;
-				default:
-					pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,
-							configure->sock);
-					printk("%s: bad Vcc/Vpp (%d:%d)\n", 
-							__FUNCTION__, 
-							configure->vcc, 
-							configure->vpp);
-					break;
-			}
-			break;
-		case 50: /* Vcc 5V */
-			switch(configure->vpp) {
-				case 0:
-					pcr |= SET_VCC_VPP(VCC_5V,VPP_GND,
-							configure->sock);
-					break;
-				case 50:
-					pcr |= SET_VCC_VPP(VCC_5V,VPP_5V,
-							configure->sock);
-					break;
-				case 12:
-					pcr |= SET_VCC_VPP(VCC_5V,VPP_12V,
-							configure->sock);
-					break;
-				case 33:
-					pcr |= SET_VCC_VPP(VCC_5V,VPP_3V,
-							configure->sock);
-					break;
-				default:
-					pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,
-							configure->sock);
-					printk("%s: bad Vcc/Vpp (%d:%d)\n", 
-							__FUNCTION__, 
-							configure->vcc, 
-							configure->vpp);
-					break;
-			}
-			break;
-		case 33: /* Vcc 3.3V */
-			switch(configure->vpp) {
-				case 0:
-					pcr |= SET_VCC_VPP(VCC_3V,VPP_GND,
-							configure->sock);
-					break;
-				case 50:
-					pcr |= SET_VCC_VPP(VCC_3V,VPP_5V,
-							configure->sock);
-					break;
-				case 12:
-					pcr |= SET_VCC_VPP(VCC_3V,VPP_12V,
-							configure->sock);
-					break;
-				case 33:
-					pcr |= SET_VCC_VPP(VCC_3V,VPP_3V,
-							configure->sock);
-					break;
-				default:
-					pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,
-							configure->sock);
-					printk("%s: bad Vcc/Vpp (%d:%d)\n", 
-							__FUNCTION__, 
-							configure->vcc, 
-							configure->vpp);
-					break;
-			}
-			break;
-		default: /* what's this ? */
-			pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,configure->sock);
-			printk(KERN_ERR "%s: bad Vcc %d\n", 
-					__FUNCTION__, configure->vcc);
-			break;
-	}
-
-	pcr &= ~(PCR_SLOT_0_RST);
-	if (configure->reset) {
-		pcr |= PCR_SLOT_0_RST;
-	}
-	writew(pcr, PB1000_PCR);
-	au_sync_delay(300);
-	return 0;
-}
-
-struct pcmcia_low_level pb1000_pcmcia_ops = { 
-	pb1000_pcmcia_init,
-	pb1000_pcmcia_shutdown,
-	pb1000_pcmcia_socket_state,
-	pb1000_pcmcia_get_irq_info,
-	pb1000_pcmcia_configure_socket
-};
-