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authorMark Murray <markm@FreeBSD.org>1997-11-06 07:00:45 +0000
committerMark Murray <markm@FreeBSD.org>1997-11-06 07:00:45 +0000
commit8274fc64c2ed8cc07582ab404f8000a823ede3b1 (patch)
tree75654bbd55c100cfae6f3d352a66a3fe360ef18b /sys/i386/include/ioctl_bt848.h
parent41631559ba8def1659aa9503c383ed3efc2444a2 (diff)
downloadsrc-8274fc64c2ed8cc07582ab404f8000a823ede3b1.tar.gz
src-8274fc64c2ed8cc07582ab404f8000a823ede3b1.zip
Add the IOCTL for Luigi's BT848 -> I2C bus driver.
Notes
Notes: svn path=/head/; revision=30979
Diffstat (limited to 'sys/i386/include/ioctl_bt848.h')
-rw-r--r--sys/i386/include/ioctl_bt848.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/i386/include/ioctl_bt848.h b/sys/i386/include/ioctl_bt848.h
index 94382aaa8d94..409e169547f8 100644
--- a/sys/i386/include/ioctl_bt848.h
+++ b/sys/i386/include/ioctl_bt848.h
@@ -191,6 +191,14 @@ struct _bktr_clip {
#define BT848SFMT _IOW('x', 67, unsigned long )
#define BT848GFMT _IOR('x', 67, unsigned long )
+/* Read/Write the BT848's I2C bus directly
+ * b7-b0: data (read/write)
+ * b15-b8: internal peripheral register (write)
+ * b23-b16: i2c addr (write)
+ * b31-b24: 1 = write, 0 = read
+ */
+#define BT848_I2CWR _IOWR('x', 57, u_long) /* i2c read-write */
+
/* XXX - Copied from /sys/pci/brktree_reg.h */
#define BT848_IFORM_FORMAT (0x7<<0)
# define BT848_IFORM_F_RSVD (0x7)
@@ -202,4 +210,3 @@ struct _bktr_clip {
# define BT848_IFORM_F_NTSCM (0x1)
# define BT848_IFORM_F_AUTO (0x0)
-