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added ds1780 recognition/support. untested.

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git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@349 7894878c-1315-0410-8ee3-d5d059ff63e0
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Mark D. Studebaker committed 1999-03-29 00:58:55 +00:00
1 parent ddfb8235ca
commit 1067bc4d69
3 files changed
+55 -24
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kernel/chips/adm9240.c
+18 -9
View File
@@ -20,7 +20,7 @@
*/
/*
A couple notes about the ADM2940:
A couple notes about the ADM9240:
* It claims to be 'LM7x' register compatible. This must be in reference
to only the LM78, because it is missing stuff to emulate LM75's as well.
@@ -79,7 +79,7 @@
#define ADM9240_REG_TEMP 0x27
#define ADM9240_REG_FAN1 0x28
#define ADM9240_REG_FAN2 0x29
#define ADM9240_REG_COMPANY_ID 0x3E /* Should always read 0x23 */
#define ADM9240_REG_COMPANY_ID 0x3E /* 0x23 for ADM9240; 0xDA for DS1780 */
#define ADM9240_REG_DIE_REV 0x3F
/* These are read/write */
#define ADM9240_REG_2_5V_HIGH 0x2B
@@ -319,13 +319,13 @@ int adm9240_attach_adapter(struct i2c_adapter *adapter)
{
int address,err,temp;
struct i2c_client *new_client;
const char *type_name,*client_name;
char *type_name,*client_name;
err = 0;
/* Make sure we aren't probing the ISA bus!! */
if (i2c_is_isa_adapter(adapter)) return 0;
/* The address of the ADM2940 must at least start somewhere in
/* The address of the ADM9240 must at least start somewhere in
0x2C to 0x2F, but can be changed to be anyelse after that.
(But, why??) */
for (address = 0x2C; (! err) && (address <= 0x2f); address ++) {
@@ -333,13 +333,22 @@ int adm9240_attach_adapter(struct i2c_adapter *adapter)
/* Later on, we will keep a list of registered addresses for each
adapter, and check whether they are used here */
if (smbus_read_byte_data(adapter,address,ADM9240_REG_COMPANY_ID) != 0x23)
temp = smbus_read_byte_data(adapter,address,ADM9240_REG_COMPANY_ID);
if (temp == 0x23) {
type_name = "adm9240";
client_name = "ADM9240 chip";
} else if (temp == 0xDA)
type_name = "ds1780";
client_name = "DS1780 chip";
}
if (temp == 0x23 || temp == 0xDA) {
temp=smbus_read_byte_data(adapter,address,ADM9240_REG_DIE_REV);
printk("adm9240.o: %s detected with die rev.: 0x%X\n",
client_name, temp);
}
else
continue;
temp=smbus_read_byte_data(adapter,address,ADM9240_REG_DIE_REV);
printk("adm9240.o: ADM9240 detected with die rev.: 0x%X\n",temp);
type_name = "adm9240";
client_name = "ADM9240 chip";
/* Allocate space for a new client structure. To counter memory