@@ -21,7 +21,7 @@ choose which one to program the hardware
addresses is preferred, because the likelihood of clashing with the standard
0x201 address is smaller.
-Eg. if your driver supports addresses 0x200, 0x208, 0x210 and 0x218, then
+E.g. if your driver supports addresses 0x200, 0x208, 0x210 and 0x218, then
0x218 would be the address of first choice.
If your hardware supports a gameport address that is not mapped to ISA io
@@ -78,7 +78,7 @@ the gameport. To register a cooked gamep
for (i = 0; i < 4; i++)
axes[i] = my_mmio[i];
- buttons[i] = my_mmio[4];
+ buttons[0] = my_mmio[4];
}
int my_open(struct gameport *gameport, int mode)
@@ -117,25 +117,28 @@ Simple::
The gameport structure
~~~~~~~~~~~~~~~~~~~~~~
-.. note::
-
- This section is outdated. There are several fields here that don't
- match what's there at include/linux/gameport.h.
-
::
struct gameport {
- void *private;
+ void *port_data;
A private pointer for free use in the gameport driver. (Not the joystick
driver!)
::
- int number;
+ char name[32];
+
+Driver's name as set by driver calling gameport_set_name(). Informational
+purpose only.
+
+::
+
+ char phys[32];
-Number assigned to the gameport when registered. Informational purpose only.
+gameport's physical name/description as set by driver calling gameport_set_phys().
+Informational purpose only.
::
@@ -210,8 +213,16 @@ gameport.
::
- struct gameport_dev *dev;
- struct gameport *next;
+ struct timer_list poll_timer;
+ unsigned int poll_interval; /* in msecs */
+ spinlock_t timer_lock;
+ unsigned int poll_cnt;
+ void (*poll_handler)(struct gameport *);
+ struct gameport *parent, *child;
+ struct gameport_driver *drv;
+ struct mutex drv_mutex; /* protects serio->drv so attributes can pin driver */
+ struct device dev;
+ struct list_head node;
For internal use by the gameport layer.
Use "E.g." instead of "Eg.". Use correct index for buttons[] array. Update all of struct gameport's descriptions. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: linux-input@vger.kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org --- Documentation/input/gameport-programming.rst | 35 +++++++++++------ 1 file changed, 23 insertions(+), 12 deletions(-)