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| author | Mark Cave-Ayland | 2020-06-23 22:49:25 +0200 |
|---|---|---|
| committer | Mark Cave-Ayland | 2020-06-26 11:13:51 +0200 |
| commit | 969ca2f7a1a41123f08ce67d7a51075c3ee2fd6e (patch) | |
| tree | baf557b5644f040ad6d0a364d4fa43ee0231d69c /hw | |
| parent | mac_via: convert to use ADBBusState internal autopoll variables (diff) | |
| download | qemu-969ca2f7a1a41123f08ce67d7a51075c3ee2fd6e.tar.gz qemu-969ca2f7a1a41123f08ce67d7a51075c3ee2fd6e.tar.xz qemu-969ca2f7a1a41123f08ce67d7a51075c3ee2fd6e.zip | |
adb: introduce new ADBDeviceHasData method to ADBDeviceClass
This is required later to allow devices to assert a service request (SRQ)
signal to indicate that it has data to send, without having to consume it.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Finn Thain <fthain@telegraphics.com.au>
Acked-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200623204936.24064-12-mark.cave-ayland@ilande.co.uk>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/input/adb-kbd.c | 8 | ||||
| -rw-r--r-- | hw/input/adb-mouse.c | 9 |
2 files changed, 17 insertions, 0 deletions
diff --git a/hw/input/adb-kbd.c b/hw/input/adb-kbd.c index 027dd3e531..23760ecf7b 100644 --- a/hw/input/adb-kbd.c +++ b/hw/input/adb-kbd.c @@ -300,6 +300,13 @@ static int adb_kbd_request(ADBDevice *d, uint8_t *obuf, return olen; } +static bool adb_kbd_has_data(ADBDevice *d) +{ + KBDState *s = ADB_KEYBOARD(d); + + return s->count > 0; +} + /* This is where keyboard events enter this file */ static void adb_keyboard_event(DeviceState *dev, QemuConsole *src, InputEvent *evt) @@ -382,6 +389,7 @@ static void adb_kbd_class_init(ObjectClass *oc, void *data) set_bit(DEVICE_CATEGORY_INPUT, dc->categories); adc->devreq = adb_kbd_request; + adc->devhasdata = adb_kbd_has_data; dc->reset = adb_kbd_reset; dc->vmsd = &vmstate_adb_kbd; } diff --git a/hw/input/adb-mouse.c b/hw/input/adb-mouse.c index 78b6f5030c..e2359fd74d 100644 --- a/hw/input/adb-mouse.c +++ b/hw/input/adb-mouse.c @@ -197,6 +197,14 @@ static int adb_mouse_request(ADBDevice *d, uint8_t *obuf, return olen; } +static bool adb_mouse_has_data(ADBDevice *d) +{ + MouseState *s = ADB_MOUSE(d); + + return !(s->last_buttons_state == s->buttons_state && + s->dx == 0 && s->dy == 0); +} + static void adb_mouse_reset(DeviceState *dev) { ADBDevice *d = ADB_DEVICE(dev); @@ -252,6 +260,7 @@ static void adb_mouse_class_init(ObjectClass *oc, void *data) set_bit(DEVICE_CATEGORY_INPUT, dc->categories); adc->devreq = adb_mouse_request; + adc->devhasdata = adb_mouse_has_data; dc->reset = adb_mouse_reset; dc->vmsd = &vmstate_adb_mouse; } |