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| author | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2023-10-04 09:37:55 +0100 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2023-10-06 10:33:43 +0200 |
| commit | 9983f6e12e11c6519c9626f4c63df53edefab5f2 (patch) | |
| tree | 4d47a20f1044ebbe9bf527fdf82432e3a7c75795 /hw/m68k/q800-glue.c | |
| parent | 5243e5543e27410984d84a30aa7d7b7210d14daa (diff) | |
| download | focaccia-qemu-9983f6e12e11c6519c9626f4c63df53edefab5f2.tar.gz focaccia-qemu-9983f6e12e11c6519c9626f4c63df53edefab5f2.zip | |
q800: add Apple Sound Chip (ASC) audio to machine
The Quadra 800 has the enhanced ASC (EASC) audio chip which supports both the legacy IRQ routing through VIA2 and also "A/UX" mode routing direct to the CPU. Co-developed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Message-ID: <20231004083806.757242-10-mark.cave-ayland@ilande.co.uk> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'hw/m68k/q800-glue.c')
| -rw-r--r-- | hw/m68k/q800-glue.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/hw/m68k/q800-glue.c b/hw/m68k/q800-glue.c index 710a5c331e..f413b1599a 100644 --- a/hw/m68k/q800-glue.c +++ b/hw/m68k/q800-glue.c @@ -97,6 +97,11 @@ static void GLUE_set_irq(void *opaque, int irq, int level) irq = 6; break; + case GLUE_IRQ_IN_ASC: + /* Route to VIA2 instead, negative edge-triggered */ + qemu_set_irq(s->irqs[GLUE_IRQ_ASC], !level); + return; + default: g_assert_not_reached(); } @@ -123,6 +128,10 @@ static void GLUE_set_irq(void *opaque, int irq, int level) irq = 6; break; + case GLUE_IRQ_IN_ASC: + irq = 4; + break; + default: g_assert_not_reached(); } @@ -214,7 +223,7 @@ static void glue_init(Object *obj) qdev_init_gpio_in(dev, GLUE_set_irq, 8); qdev_init_gpio_in_named(dev, glue_auxmode_set_irq, "auxmode", 1); - qdev_init_gpio_out(dev, s->irqs, 1); + qdev_init_gpio_out(dev, s->irqs, 2); /* NMI release timer */ s->nmi_release = timer_new_ms(QEMU_CLOCK_VIRTUAL, glue_nmi_release, s); |