diff options
Diffstat (limited to 'sys/dev/smbus/smbconf.h')
| -rw-r--r-- | sys/dev/smbus/smbconf.h | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/sys/dev/smbus/smbconf.h b/sys/dev/smbus/smbconf.h index a3d403d566ea..f39c44287c35 100644 --- a/sys/dev/smbus/smbconf.h +++ b/sys/dev/smbus/smbconf.h @@ -68,9 +68,30 @@ #define SMB_QREAD 0x1 /* + * smbus transction op with pass-thru capabilities + * + * This smbus function is capable of doing a smbus command transaction + * (read or write), and can be flagged to not issue the 'cmd' and/or + * issue or expect a count field as well as flagged for chaining (no STOP), + * which gives it an i2c pass-through capability. + * + * NOSTOP- Caller chaining transactions, do not issue STOP + * NOCMD- Do not transmit the command field + * NOCNT- Do not transmit (wr) or expect (rd) the count field + */ +#define SMB_TRANS_NOSTOP 0x0001 /* do not send STOP at end */ +#define SMB_TRANS_NOCMD 0x0002 /* ignore cmd field (do not tx) */ +#define SMB_TRANS_NOCNT 0x0004 /* do not tx or rx count field */ +#define SMB_TRANS_7BIT 0x0008 /* change address mode to 7-bit */ +#define SMB_TRANS_10BIT 0x0010 /* change address mode to 10-bit */ +#define SMB_TRANS_NOREPORT 0x0020 /* do not report errors */ + +/* * ivars codes */ -#define SMBUS_IVAR_ADDR 0x1 /* slave address of the device */ +enum smbus_ivars { + SMBUS_IVAR_ADDR, /* slave address of the device */ +}; int smbus_request_bus(device_t, device_t, int); int smbus_release_bus(device_t, device_t); @@ -79,7 +100,12 @@ int smbus_error(int error); void smbus_intr(device_t, u_char, char low, char high, int error); -u_char smbus_get_addr(device_t); +#define SMBUS_ACCESSOR(var, ivar, type) \ + __BUS_ACCESSOR(smbus, var, SMBUS, ivar, type) + +SMBUS_ACCESSOR(addr, ADDR, int) + +#undef SMBUS_ACCESSOR extern driver_t smbus_driver; extern devclass_t smbus_devclass; @@ -104,6 +130,9 @@ extern devclass_t smbus_devclass; (SMBUS_BWRITE(device_get_parent(bus), slave, cmd, count, buf)) #define smbus_bread(bus,slave,cmd,count,buf) \ (SMBUS_BREAD(device_get_parent(bus), slave, cmd, count, buf)) +#define smbus_trans(bus,slave,cmd,op,wbuf,wcount,rbuf,rcount,actualp) \ + (SMBUS_TRANS(device_get_parent(bus), slave, cmd, op, \ + wbuf, wcount, rbuf, rcount, actualp)) #define SMBUS_MODVER 1 #define SMBUS_MINVER 1 |