Please respect this inclusion order. Some extra headers may be
required for a given driver (e.g. "lm75.h").
-* [Addresses] SENSORS_I2C_END becomes I2C_CLIENT_END, SENSORS_ISA_END
- becomes I2C_CLIENT_ISA_END.
+* [Addresses] SENSORS_I2C_END becomes I2C_CLIENT_END, ISA addresses
+ are no more handled by the i2c core.
* [Client data] Get rid of sysctl_id. Try using standard names for
register values (for example, temp_os becomes temp_max). You're
name string, which will be filled with a lowercase, short string
(typically the driver name, e.g. "lm75").
In i2c-only drivers, drop the i2c_is_isa_adapter check, it's
- useless.
+ useless. Same for isa-only drivers, as the test would always be
+ true. Only hybrid drivers (which are quite rare) still need it.
The errorN labels are reduced to the number needed. If that number
is 2 (i2c-only drivers), it is advised that the labels are named
exit and exit_free. For i2c+isa drivers, labels should be named
-------------------------
If you write a `sensors' driver, you use a slightly different interface.
-As well as I2C addresses, we have to cope with ISA addresses. Also, we
-use a enum of chip types. Don't forget to include `sensors.h'.
+Also, we use a enum of chip types. Don't forget to include `sensors.h'.
The following lists are used internally. They are all lists of integers.
- normal_i2c: filled in by the module writer. Terminated by SENSORS_I2C_END.
+ normal_i2c: filled in by the module writer. Terminated by I2C_CLIENT_END.
A list of I2C addresses which should normally be examined.
- normal_isa: filled in by the module writer. Terminated by SENSORS_ISA_END.
- A list of ISA addresses which should normally be examined.
- probe: insmod parameter. Initialize this list with SENSORS_I2C_END values.
- A list of pairs. The first value is a bus number (SENSORS_ISA_BUS for
- the ISA bus, -1 for any I2C bus), the second is the address. These
- addresses are also probed, as if they were in the 'normal' list.
- ignore: insmod parameter. Initialize this list with SENSORS_I2C_END values.
- A list of pairs. The first value is a bus number (SENSORS_ISA_BUS for
- the ISA bus, -1 for any I2C bus), the second is the I2C address. These
- addresses are never probed. This parameter overrules 'normal' and
- 'probe', but not the 'force' lists.
+ probe: insmod parameter. Initialize this list with I2C_CLIENT_END values.
+ A list of pairs. The first value is a bus number (ANY_I2C_BUS for any
+ I2C bus), the second is the address. These addresses are also probed,
+ as if they were in the 'normal' list.
+ ignore: insmod parameter. Initialize this list with I2C_CLIENT_END values.
+ A list of pairs. The first value is a bus number (ANY_I2C_BUS for any
+ I2C bus), the second is the I2C address. These addresses are never
+ probed. This parameter overrules 'normal' and 'probe', but not the
+ 'force' lists.
Also used is a list of pointers to sensors_force_data structures:
force_data: insmod parameters. A list, ending with an element of which
the force field is NULL.
Each element contains the type of chip and a list of pairs.
- The first value is a bus number (SENSORS_ISA_BUS for the ISA bus,
- -1 for any I2C bus), the second is the address.
+ The first value is a bus number (ANY_I2C_BUS for any I2C bus), the
+ second is the address.
These are automatically translated to insmod variables of the form
force_foo.
`force_CHIPNAME'.
Fortunately, as a module writer, you just have to define the `normal_i2c'
-and `normal_isa' parameters, and define what chip names are used.
-The complete declaration could look like this:
+parameter, and define what chip names are used. The complete declaration
+could look like this:
/* Scan i2c addresses 0x37, and 0x48 to 0x4f */
static unsigned short normal_i2c[] = { 0x37, 0x48, 0x49, 0x4a, 0x4b, 0x4c,
0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
- /* Scan ISA address 0x290 */
- static unsigned int normal_isa[] = {0x0290,SENSORS_ISA_END};
/* Define chips foo and bar, as well as all module parameters and things */
SENSORS_INSMOD_2(foo,bar);
0x29, 0x2a, 0x2b,
0x4c, 0x4d, 0x4e,
I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_8(adm1021, adm1023, max1617, max1617a, thmc10, lm84, gl523sm, mc1066);
*/
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/*
* Insmod parameters
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_1(adm1026);
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_2(adm1030, adm1031);
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f,
I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-
/* Insmod parameters */
SENSORS_INSMOD_3(adm9240, ds1780, lm81);
/* I2C addresses to scan */
static unsigned short normal_i2c[] = { 0x2d, I2C_CLIENT_END };
-/* ISA addresses to scan (none) */
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-
/* Insmod parameters */
SENSORS_INSMOD_1(asb100);
I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: "
#define ATXP1_GPIO1MASK 0x0f
static unsigned short normal_i2c[] = { 0x37, 0x4e, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
SENSORS_INSMOD_1(atxp1);
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c,
0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_1(ds1621);
*/
static unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/*
* Insmod parameters
* Addresses to scan
*/
static unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/*
* Insmod parameters
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_2(gl518sm_r00, gl518sm_r80);
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_1(gl520sm);
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
0x2e, 0x2f, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
static unsigned short isa_address = 0x290;
/* Insmod parameters */
*/
static unsigned short normal_i2c[] = { 0x4c, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/*
* Insmod parameters
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c,
0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_1(lm75);
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_1(lm77);
0x25, 0x26, 0x27, 0x28, 0x29,
0x2a, 0x2b, 0x2c, 0x2d, 0x2e,
0x2f, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
static unsigned short isa_address = 0x290;
/* Insmod parameters */
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c,
0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_1(lm80);
0x29, 0x2a, 0x2b,
0x4c, 0x4d, 0x4e,
I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/*
* Insmod parameters
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102);
*/
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/*
* Insmod parameters
*/
static unsigned short normal_i2c[] = { 0x4c, 0x4d, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/*
* Insmod parameters
resulting in 4 possible addresses. */
static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b,
I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_1(lm92);
0x29, 0x2a, 0x2b,
0x4c, 0x4d, 0x4e,
I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/*
* Insmod parameters
static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25,
0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b,
0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
static unsigned short isa_address = 0x290;
/* Insmod parameters */
*/
static unsigned short normal_i2c[] = { 0x2e, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/*
* Insmod parameters
* Functions declaration
*/
static unsigned short normal_i2c[] = { 0x68, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
SENSORS_INSMOD_1(ds1337);
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x50, 0x51, 0x52, 0x53, 0x54,
0x55, 0x56, 0x57, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_1(eeprom);
/* Do not scan - the MAX6875 access method will write to some EEPROM chips */
static unsigned short normal_i2c[] = {I2C_CLIENT_END};
-static unsigned int normal_isa[] = {I2C_CLIENT_ISA_END};
/* Insmod parameters */
SENSORS_INSMOD_1(max6875);
/* Addresses to scan */
static unsigned short normal_i2c[] = {0x74, 0x75, 0x76, 0x77, I2C_CLIENT_END};
-static unsigned int normal_isa[] = {I2C_CLIENT_ISA_END};
/* Insmod parameters */
SENSORS_INSMOD_1(pca9539);
static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_2(pcf8574, pcf8574a);
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c,
0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_1(pcf8591);
that place. If a specific chip is given, the module blindly assumes this
chip type is present; if a general force (kind == 0) is given, the module
will still try to figure out what type of chip is present. This is useful
- if for some reasons the detect for SMBus or ISA address space filled
- fails.
- probe: insmod parameter. Initialize this list with I2C_CLIENT_ISA_END values.
- A list of pairs. The first value is a bus number (ANY_I2C_ISA_BUS for
- the ISA bus, -1 for any I2C bus), the second is the address.
+ if for some reasons the detect for SMBus address space filled fails.
+ probe: insmod parameter. Initialize this list with I2C_CLIENT_END values.
+ A list of pairs. The first value is a bus number (ANY_I2C_BUS for any
+ I2C bus), the second is the address.
kind: The kind of chip. 0 equals any chip.
*/
struct i2c_force_data {
};
/* A structure containing the detect information.
- normal_i2c: filled in by the module writer. Terminated by I2C_CLIENT_ISA_END.
+ normal_i2c: filled in by the module writer. Terminated by I2C_CLIENT_END.
A list of I2C addresses which should normally be examined.
- normal_isa: filled in by the module writer. Terminated by SENSORS_ISA_END.
- A list of ISA addresses which should normally be examined.
- probe: insmod parameter. Initialize this list with I2C_CLIENT_ISA_END values.
- A list of pairs. The first value is a bus number (ANY_I2C_ISA_BUS for
- the ISA bus, -1 for any I2C bus), the second is the address. These
- addresses are also probed, as if they were in the 'normal' list.
- ignore: insmod parameter. Initialize this list with I2C_CLIENT_ISA_END values.
- A list of pairs. The first value is a bus number (ANY_I2C_ISA_BUS for
- the ISA bus, -1 for any I2C bus), the second is the I2C address. These
- addresses are never probed. This parameter overrules 'normal' and
- 'probe', but not the 'force' lists.
+ probe: insmod parameter. Initialize this list with I2C_CLIENT_END values.
+ A list of pairs. The first value is a bus number (ANY_I2C_BUS for any
+ I2C bus), the second is the address. These addresses are also probed,
+ as if they were in the 'normal' list.
+ ignore: insmod parameter. Initialize this list with I2C_CLIENT_END values.
+ A list of pairs. The first value is a bus number (ANY_I2C_BUS for any
+ I2C bus), the second is the I2C address. These addresses are never
+ probed. This parameter overrules 'normal' and probe', but not the
+ 'force' lists.
force_data: insmod parameters. A list, ending with an element of which
the force field is NULL.
*/
struct i2c_address_data {
unsigned short *normal_i2c;
- unsigned int *normal_isa;
unsigned short *probe;
unsigned short *ignore;
struct i2c_force_data *forces;
"List of adapter,address pairs not to scan"); \
static struct i2c_address_data addr_data = { \
.normal_i2c = normal_i2c, \
- .normal_isa = normal_isa, \
.probe = probe, \
.ignore = ignore, \
.forces = forces, \
/* Detect function. It iterates over all possible addresses itself. For
SMBus addresses, it will only call found_proc if some client is connected
- to the SMBus (unless a 'force' matched); for ISA detections, this is not
- done. */
+ to the SMBus (unless a 'force' matched). */
extern int i2c_detect(struct i2c_adapter *adapter,
struct i2c_address_data *address_data,
int (*found_proc) (struct i2c_adapter *, int, int));
*/
struct i2c_client {
unsigned int flags; /* div., see below */
- unsigned int addr; /* chip address - NOTE: 7bit */
+ unsigned short addr; /* chip address - NOTE: 7bit */
/* addresses are stored in the */
- /* _LOWER_ 7 bits of this char */
- /* addr: unsigned int to make lm_sensors i2c-isa adapter work
- more cleanly. It does not take any more memory space, due to
- alignment considerations */
+ /* _LOWER_ 7 bits */
struct i2c_adapter *adapter; /* the adapter we sit on */
struct i2c_driver *driver; /* and our access routines */
int usage_count; /* How many accesses currently */
/* Internal numbers to terminate lists */
#define I2C_CLIENT_END 0xfffeU
-#define I2C_CLIENT_ISA_END 0xfffefffeU
/* The numbers to use to set I2C bus address */
#define ANY_I2C_BUS 0xffff
projects / cascardo / linux.git / commitdiff