Module Name: src
Committed By: martin
Date: Fri Mar 5 13:55:27 UTC 2021
Modified Files:
src/share/man/man4 [netbsd-9]: iic.4
Log Message:
Pull up following revision(s) (requested by nia in ticket #1224):
share/man/man4/iic.4: revision 1.23
share/man/man4/iic.4: revision 1.24
share/man/man4/iic.4: revision 1.25
iic.4: add ssdfb
Describe the i2c ioctl interface
iic.4: Add FILES section. Fix copypasto.
To generate a diff of this commit:
cvs rdiff -u -r1.22 -r1.22.6.1 src/share/man/man4/iic.4
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/share/man/man4/iic.4
diff -u src/share/man/man4/iic.4:1.22 src/share/man/man4/iic.4:1.22.6.1
--- src/share/man/man4/iic.4:1.22 Mon Feb 26 08:23:44 2018
+++ src/share/man/man4/iic.4 Fri Mar 5 13:55:27 2021
@@ -1,4 +1,4 @@
-.\" $NetBSD: iic.4,v 1.22 2018/02/26 08:23:44 wiz Exp $
+.\" $NetBSD: iic.4,v 1.22.6.1 2021/03/05 13:55:27 martin Exp $
.\" $OpenBSD: iic.4,v 1.74 2008/09/10 16:13:43 reyk Exp $
.\"
.\" Copyright (c) 2004, 2006 Alexander Yurchenko <[email protected]>
@@ -16,7 +16,7 @@
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
-.Dd February 26, 2018
+.Dd February 27, 2021
.Dt IIC 4
.Os
.Sh NAME
@@ -100,6 +100,37 @@ The master accesses a particular slave d
.Pp
System Management Bus (SMBus) protocol is also supported by emulating
it with the I2C commands.
+.Sh IOCTLS
+The following
+.Xr ioctl 2
+calls apply to
+.Em IIC
+devices.
+They are defined in the header file
+.In dev/i2c/i2c_io.h :
+.Bl -tag -width indent
+.It Dv I2C_IOCTL_EXEC (i2c_ioctl_exec_t)
+User ioctl to execute an i2c operation.
+.Bd -literal
+typedef enum {
+ I2C_OP_READ,
+ I2C_OP_READ_WITH_STOP,
+ I2C_OP_WRITE,
+ I2C_OP_WRITE_WITH_STOP,
+ I2C_OP_READ_BLOCK,
+ I2C_OP_WRITE_BLOCK
+} i2c_op_t;
+
+typedef struct i2c_ioctl_exec {
+ i2c_op_t iie_op; /* operation to perform */
+ i2c_addr_t iie_addr; /* address of device */
+ const void *iie_cmd; /* pointer to command */
+ size_t iie_cmdlen; /* length of command */
+ void *iie_buf; /* pointer to data buffer */
+ size_t iie_buflen; /* length of data buffer */
+} i2c_ioctl_exec_t;
+.Ed
+.El
.Sh SUPPORTED MASTERS
A wide list of I2C masters are supported, among them are:
.Pp
@@ -196,6 +227,15 @@ JEDEC JC-42.4 compatible memory module t
driver for SGS 7433 Basic Audio Processor found in some Apple machines
.It Xr spdmem 4
Generic Memory Module Serial Presence Detect
+.It Xr ssdfb 4
+OLED/PLED framebuffer modules
+.El
+.Sh FILES
+.Bl -tag -width "/dev/iicu" -compact
+.It /dev/iic Ns Ar u
+I2C device unit
+.Ar u
+file.
.El
.Sh SEE ALSO
.Xr dtviic 4 ,
