diff options
Diffstat (limited to 'drivers/hwmon/vt1211.c')
| -rw-r--r-- | drivers/hwmon/vt1211.c | 58 |
1 files changed, 30 insertions, 28 deletions
diff --git a/drivers/hwmon/vt1211.c b/drivers/hwmon/vt1211.c index 25cc56003d7a..89c23d6add7b 100644 --- a/drivers/hwmon/vt1211.c +++ b/drivers/hwmon/vt1211.c @@ -178,9 +178,10 @@ struct vt1211_data { * Super-I/O constants and functions * --------------------------------------------------------------------- */ -/* Configuration & data index port registers */ -#define SIO_REG_CIP 0x2e -#define SIO_REG_DIP 0x2f +/* Configuration index port registers + * The vt1211 can live at 2 different addresses so we need to probe both */ +#define SIO_REG_CIP1 0x2e +#define SIO_REG_CIP2 0x4e /* Configuration registers */ #define SIO_VT1211_LDN 0x07 /* logical device number */ @@ -193,33 +194,33 @@ struct vt1211_data { /* VT1211 logical device numbers */ #define SIO_VT1211_LDN_HWMON 0x0b /* HW monitor */ -static inline void superio_outb(int reg, int val) +static inline void superio_outb(int sio_cip, int reg, int val) { - outb(reg, SIO_REG_CIP); - outb(val, SIO_REG_DIP); + outb(reg, sio_cip); + outb(val, sio_cip + 1); } -static inline int superio_inb(int reg) +static inline int superio_inb(int sio_cip, int reg) { - outb(reg, SIO_REG_CIP); - return inb(SIO_REG_DIP); + outb(reg, sio_cip); + return inb(sio_cip + 1); } -static inline void superio_select(int ldn) +static inline void superio_select(int sio_cip, int ldn) { - outb(SIO_VT1211_LDN, SIO_REG_CIP); - outb(ldn, SIO_REG_DIP); + outb(SIO_VT1211_LDN, sio_cip); + outb(ldn, sio_cip + 1); } -static inline void superio_enter(void) +static inline void superio_enter(int sio_cip) { - outb(0x87, SIO_REG_CIP); - outb(0x87, SIO_REG_CIP); + outb(0x87, sio_cip); + outb(0x87, sio_cip); } -static inline void superio_exit(void) +static inline void superio_exit(int sio_cip) { - outb(0xaa, SIO_REG_CIP); + outb(0xaa, sio_cip); } /* --------------------------------------------------------------------- @@ -1263,26 +1264,26 @@ EXIT: return err; } -static int __init vt1211_find(unsigned short *address) +static int __init vt1211_find(int sio_cip, unsigned short *address) { int err = -ENODEV; - superio_enter(); + superio_enter(sio_cip); - if (superio_inb(SIO_VT1211_DEVID) != SIO_VT1211_ID) { + if (superio_inb(sio_cip, SIO_VT1211_DEVID) != SIO_VT1211_ID) { goto EXIT; } - superio_select(SIO_VT1211_LDN_HWMON); + superio_select(sio_cip, SIO_VT1211_LDN_HWMON); - if ((superio_inb(SIO_VT1211_ACTIVE) & 1) == 0) { + if ((superio_inb(sio_cip, SIO_VT1211_ACTIVE) & 1) == 0) { printk(KERN_WARNING DRVNAME ": HW monitor is disabled, " "skipping\n"); goto EXIT; } - *address = ((superio_inb(SIO_VT1211_BADDR) << 8) | - (superio_inb(SIO_VT1211_BADDR + 1))) & 0xff00; + *address = ((superio_inb(sio_cip, SIO_VT1211_BADDR) << 8) | + (superio_inb(sio_cip, SIO_VT1211_BADDR + 1))) & 0xff00; if (*address == 0) { printk(KERN_WARNING DRVNAME ": Base address is not set, " "skipping\n"); @@ -1291,10 +1292,11 @@ static int __init vt1211_find(unsigned short *address) err = 0; printk(KERN_INFO DRVNAME ": Found VT1211 chip at 0x%04x, " - "revision %u\n", *address, superio_inb(SIO_VT1211_DEVREV)); + "revision %u\n", *address, + superio_inb(sio_cip, SIO_VT1211_DEVREV)); EXIT: - superio_exit(); + superio_exit(sio_cip); return err; } @@ -1303,8 +1305,8 @@ static int __init vt1211_init(void) int err; unsigned short address = 0; - err = vt1211_find(&address); - if (err) { + if ((err = vt1211_find(SIO_REG_CIP1, &address)) && + (err = vt1211_find(SIO_REG_CIP2, &address))) { goto EXIT; } |