X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fhwmon%2Fw83627hf.c;h=38e2805230711f0b1b02e243b34dc62e4792c282;hb=75747129a994463e36c2516e8071771427d8494b;hp=ba8b069b1082bb61b44be33f0b7e5e5f10194c76;hpb=a95a5ed856e902e513119d4cc5b745faa202f761;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c
index ba8b069..38e2805 100644
--- a/drivers/hwmon/w83627hf.c
+++ b/drivers/hwmon/w83627hf.c
@@ -50,7 +50,8 @@
 #include <linux/err.h>
 #include <linux/mutex.h>
 #include <linux/ioport.h>
-#include <asm/io.h>
+#include <linux/acpi.h>
+#include <linux/io.h>
 #include "lm75.h"
 
 static struct platform_device *pdev;
@@ -58,19 +59,16 @@ static struct platform_device *pdev;
 #define DRVNAME "w83627hf"
 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
 
-static u16 force_addr;
-module_param(force_addr, ushort, 0);
-MODULE_PARM_DESC(force_addr,
-		 "Initialize the base address of the sensors");
+struct w83627hf_sio_data {
+	enum chips type;
+	int sioaddr;
+};
+
 static u8 force_i2c = 0x1f;
 module_param(force_i2c, byte, 0);
 MODULE_PARM_DESC(force_i2c,
 		 "Initialize the i2c address of the sensors");
 
-static int reset;
-module_param(reset, bool, 0);
-MODULE_PARM_DESC(reset, "Set to one to reset chip on load");
-
 static int init = 1;
 module_param(init, bool, 0);
 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
@@ -80,9 +78,7 @@ module_param(force_id, ushort, 0);
 MODULE_PARM_DESC(force_id, "Override the detected device ID");
 
 /* modified from kernel/include/traps.c */
-static int REG;		/* The register to read/write */
 #define	DEV	0x07	/* Register: Logical device select */
-static int VAL;		/* The value to read/write */
 
 /* logical device numbers for superio_select (below) */
 #define W83627HF_LD_FDC		0x00
@@ -112,37 +108,37 @@ static int VAL;		/* The value to read/write */
 #define W83687THF_VID_DATA	0xF1 /* w83687thf only */
 
 static inline void
-superio_outb(int reg, int val)
+superio_outb(struct w83627hf_sio_data *sio, int reg, int val)
 {
-	outb(reg, REG);
-	outb(val, VAL);
+	outb(reg, sio->sioaddr);
+	outb(val, sio->sioaddr + 1);
 }
 
 static inline int
-superio_inb(int reg)
+superio_inb(struct w83627hf_sio_data *sio, int reg)
 {
-	outb(reg, REG);
-	return inb(VAL);
+	outb(reg, sio->sioaddr);
+	return inb(sio->sioaddr + 1);
 }
 
 static inline void
-superio_select(int ld)
+superio_select(struct w83627hf_sio_data *sio, int ld)
 {
-	outb(DEV, REG);
-	outb(ld, VAL);
+	outb(DEV, sio->sioaddr);
+	outb(ld,  sio->sioaddr + 1);
 }
 
 static inline void
-superio_enter(void)
+superio_enter(struct w83627hf_sio_data *sio)
 {
-	outb(0x87, REG);
-	outb(0x87, REG);
+	outb(0x87, sio->sioaddr);
+	outb(0x87, sio->sioaddr);
 }
 
 static inline void
-superio_exit(void)
+superio_exit(struct w83627hf_sio_data *sio)
 {
-	outb(0xAA, REG);
+	outb(0xAA, sio->sioaddr);
 }
 
 #define W627_DEVID 0x52
@@ -383,10 +379,6 @@ struct w83627hf_data {
 	u8 vrm_ovt;		/* Register value, 627THF/637HF/687THF only */
 };
 
-struct w83627hf_sio_data {
-	enum chips type;
-};
-
 
 static int w83627hf_probe(struct platform_device *pdev);
 static int __devexit w83627hf_remove(struct platform_device *pdev);
@@ -1143,11 +1135,9 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr,
 		"W83687THF",
 	};
 
-	REG = sioaddr;
-	VAL = sioaddr + 1;
-
-	superio_enter();
-	val = force_id ? force_id : superio_inb(DEVID);
+	sio_data->sioaddr = sioaddr;
+	superio_enter(sio_data);
+	val = force_id ? force_id : superio_inb(sio_data, DEVID);
 	switch (val) {
 	case W627_DEVID:
 		sio_data->type = w83627hf;
@@ -1171,16 +1161,9 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr,
 		goto exit;
 	}
 
-	superio_select(W83627HF_LD_HWM);
-	force_addr &= WINB_ALIGNMENT;
-	if (force_addr) {
-		printk(KERN_WARNING DRVNAME ": Forcing address 0x%x\n",
-		       force_addr);
-		superio_outb(WINB_BASE_REG, force_addr >> 8);
-		superio_outb(WINB_BASE_REG + 1, force_addr & 0xff);
-	}
-	val = (superio_inb(WINB_BASE_REG) << 8) |
-	       superio_inb(WINB_BASE_REG + 1);
+	superio_select(sio_data, W83627HF_LD_HWM);
+	val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
+	       superio_inb(sio_data, WINB_BASE_REG + 1);
 	*addr = val & WINB_ALIGNMENT;
 	if (*addr == 0) {
 		printk(KERN_WARNING DRVNAME ": Base address not set, "
@@ -1188,10 +1171,10 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr,
 		goto exit;
 	}
 
-	val = superio_inb(WINB_ACT_REG);
+	val = superio_inb(sio_data, WINB_ACT_REG);
 	if (!(val & 0x01)) {
 		printk(KERN_WARNING DRVNAME ": Enabling HWM logical device\n");
-		superio_outb(WINB_ACT_REG, val | 0x01);
+		superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
 	}
 
 	err = 0;
@@ -1199,7 +1182,7 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr,
 		names[sio_data->type], *addr);
 
  exit:
-	superio_exit();
+	superio_exit(sio_data);
 	return err;
 }
 
@@ -1514,20 +1497,21 @@ static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
 
 static int __devinit w83627thf_read_gpio5(struct platform_device *pdev)
 {
+	struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
 	int res = 0xff, sel;
 
-	superio_enter();
-	superio_select(W83627HF_LD_GPIO5);
+	superio_enter(sio_data);
+	superio_select(sio_data, W83627HF_LD_GPIO5);
 
 	/* Make sure these GPIO pins are enabled */
-	if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) {
+	if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
 		dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
 		goto exit;
 	}
 
 	/* Make sure the pins are configured for input
 	   There must be at least five (VRM 9), and possibly 6 (VRM 10) */
-	sel = superio_inb(W83627THF_GPIO5_IOSR) & 0x3f;
+	sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
 	if ((sel & 0x1f) != 0x1f) {
 		dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
 			"function\n");
@@ -1535,37 +1519,38 @@ static int __devinit w83627thf_read_gpio5(struct platform_device *pdev)
 	}
 
 	dev_info(&pdev->dev, "Reading VID from GPIO5\n");
-	res = superio_inb(W83627THF_GPIO5_DR) & sel;
+	res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
 
 exit:
-	superio_exit();
+	superio_exit(sio_data);
 	return res;
 }
 
 static int __devinit w83687thf_read_vid(struct platform_device *pdev)
 {
+	struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
 	int res = 0xff;
 
-	superio_enter();
-	superio_select(W83627HF_LD_HWM);
+	superio_enter(sio_data);
+	superio_select(sio_data, W83627HF_LD_HWM);
 
 	/* Make sure these GPIO pins are enabled */
-	if (!(superio_inb(W83687THF_VID_EN) & (1 << 2))) {
+	if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
 		dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
 		goto exit;
 	}
 
 	/* Make sure the pins are configured for input */
-	if (!(superio_inb(W83687THF_VID_CFG) & (1 << 4))) {
+	if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
 		dev_dbg(&pdev->dev, "VID configured as output, "
 			"no VID function\n");
 		goto exit;
 	}
 
-	res = superio_inb(W83687THF_VID_DATA) & 0x3f;
+	res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
 
 exit:
-	superio_exit();
+	superio_exit(sio_data);
 	return res;
 }
 
@@ -1600,29 +1585,6 @@ static void __devinit w83627hf_init_device(struct platform_device *pdev)
 	enum chips type = data->type;
 	u8 tmp;
 
-	if (reset) {
-		/* Resetting the chip has been the default for a long time,
-		   but repeatedly caused problems (fans going to full
-		   speed...) so it is now optional. It might even go away if
-		   nobody reports it as being useful, as I see very little
-		   reason why this would be needed at all. */
-		dev_info(&pdev->dev, "If reset=1 solved a problem you were "
-			 "having, please report!\n");
-
-		/* save this register */
-		i = w83627hf_read_value(data, W83781D_REG_BEEP_CONFIG);
-		/* Reset all except Watchdog values and last conversion values
-		   This sets fan-divs to 2, among others */
-		w83627hf_write_value(data, W83781D_REG_CONFIG, 0x80);
-		/* Restore the register and disable power-on abnormal beep.
-		   This saves FAN 1/2/3 input/output values set by BIOS. */
-		w83627hf_write_value(data, W83781D_REG_BEEP_CONFIG, i | 0x80);
-		/* Disable master beep-enable (reset turns it on).
-		   Individual beeps should be reset to off but for some reason
-		   disabling this bit helps some people not get beeped */
-		w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, 0);
-	}
-
 	/* Minimize conflicts with other winbond i2c-only clients...  */
 	/* disable i2c subclients... how to disable main i2c client?? */
 	/* force i2c address to relatively uncommon address */
@@ -1820,6 +1782,10 @@ static int __init w83627hf_device_add(unsigned short address,
 	};
 	int err;
 
+	err = acpi_check_resource_conflict(&res);
+	if (err)
+		goto exit;
+
 	pdev = platform_device_alloc(DRVNAME, address);
 	if (!pdev) {
 		err = -ENOMEM;