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input: Add mouse support

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When running a simple GUI it is useful to support a mouse. This is
similar to what is provided in UEFI's boot menu. Add a simple uclass and
a way to read the mouse position.

For sandbox add a driver that reads the position from SDL. Disable input
for the tools-only build, since it is of no use there and causes build
failures.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2020-02-08 09:08:38 -07:00
parent ad59fee0e8
commit 74cf6bee6c
7 changed files with 129 additions and 1 deletions
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include/dm/uclass-id.h
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@@ -97,6 +97,7 @@ enum uclass_id {
UCLASS_MISC, /* Miscellaneous device */
UCLASS_MMC, /* SD / MMC card or chip */
UCLASS_MOD_EXP, /* RSA Mod Exp device */
UCLASS_MOUSE, /* Mouse, trackpad or other pointing device */
UCLASS_MTD, /* Memory Technology Device (MTD) device */
UCLASS_MUX, /* Multiplexer device */
UCLASS_NOP, /* No-op devices */