hw/omap1.c : separate gpio module

Signed-off-by: cmchao <cmchao@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

1 files changed, 0 insertions, 181 deletions

diff --git a/hw/omap1.c b/hw/omap1.c
index 8649dbd..8b78c05 100644
--- a/hw/omap1.c
+++ b/hw/omap1.c
@@ -2804,187 +2804,6 @@ void omap_mpuio_key(struct omap_mpuio_s *s, int row, int col, int down)
     omap_mpuio_kbd_update(s);
 }
 
-/* General-Purpose I/O */
-struct omap_gpio_s {
-    qemu_irq irq;
-    qemu_irq *in;
-    qemu_irq handler[16];
-
-    uint16_t inputs;
-    uint16_t outputs;
-    uint16_t dir;
-    uint16_t edge;
-    uint16_t mask;
-    uint16_t ints;
-    uint16_t pins;
-};
-
-static void omap_gpio_set(void *opaque, int line, int level)
-{
-    struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
-    uint16_t prev = s->inputs;
-
-    if (level)
-        s->inputs |= 1 << line;
-    else
-        s->inputs &= ~(1 << line);
-
-    if (((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) &
-                    (1 << line) & s->dir & ~s->mask) {
-        s->ints |= 1 << line;
-        qemu_irq_raise(s->irq);
-    }
-}
-
-static uint32_t omap_gpio_read(void *opaque, target_phys_addr_t addr)
-{
-    struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
-    int offset = addr & OMAP_MPUI_REG_MASK;
-
-    switch (offset) {
-    case 0x00:	/* DATA_INPUT */
-        return s->inputs & s->pins;
-
-    case 0x04:	/* DATA_OUTPUT */
-        return s->outputs;
-
-    case 0x08:	/* DIRECTION_CONTROL */
-        return s->dir;
-
-    case 0x0c:	/* INTERRUPT_CONTROL */
-        return s->edge;
-
-    case 0x10:	/* INTERRUPT_MASK */
-        return s->mask;
-
-    case 0x14:	/* INTERRUPT_STATUS */
-        return s->ints;
-
-    case 0x18:	/* PIN_CONTROL (not in OMAP310) */
-        OMAP_BAD_REG(addr);
-        return s->pins;
-    }
-
-    OMAP_BAD_REG(addr);
-    return 0;
-}
-
-static void omap_gpio_write(void *opaque, target_phys_addr_t addr,
-                uint32_t value)
-{
-    struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
-    int offset = addr & OMAP_MPUI_REG_MASK;
-    uint16_t diff;
-    int ln;
-
-    switch (offset) {
-    case 0x00:	/* DATA_INPUT */
-        OMAP_RO_REG(addr);
-        return;
-
-    case 0x04:	/* DATA_OUTPUT */
-        diff = (s->outputs ^ value) & ~s->dir;
-        s->outputs = value;
-        while ((ln = ffs(diff))) {
-            ln --;
-            if (s->handler[ln])
-                qemu_set_irq(s->handler[ln], (value >> ln) & 1);
-            diff &= ~(1 << ln);
-        }
-        break;
-
-    case 0x08:	/* DIRECTION_CONTROL */
-        diff = s->outputs & (s->dir ^ value);
-        s->dir = value;
-
-        value = s->outputs & ~s->dir;
-        while ((ln = ffs(diff))) {
-            ln --;
-            if (s->handler[ln])
-                qemu_set_irq(s->handler[ln], (value >> ln) & 1);
-            diff &= ~(1 << ln);
-        }
-        break;
-
-    case 0x0c:	/* INTERRUPT_CONTROL */
-        s->edge = value;
-        break;
-
-    case 0x10:	/* INTERRUPT_MASK */
-        s->mask = value;
-        break;
-
-    case 0x14:	/* INTERRUPT_STATUS */
-        s->ints &= ~value;
-        if (!s->ints)
-            qemu_irq_lower(s->irq);
-        break;
-
-    case 0x18:	/* PIN_CONTROL (not in OMAP310 TRM) */
-        OMAP_BAD_REG(addr);
-        s->pins = value;
-        break;
-
-    default:
-        OMAP_BAD_REG(addr);
-        return;
-    }
-}
-
-/* *Some* sources say the memory region is 32-bit.  */
-static CPUReadMemoryFunc * const omap_gpio_readfn[] = {
-    omap_badwidth_read16,
-    omap_gpio_read,
-    omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc * const omap_gpio_writefn[] = {
-    omap_badwidth_write16,
-    omap_gpio_write,
-    omap_badwidth_write16,
-};
-
-static void omap_gpio_reset(struct omap_gpio_s *s)
-{
-    s->inputs = 0;
-    s->outputs = ~0;
-    s->dir = ~0;
-    s->edge = ~0;
-    s->mask = ~0;
-    s->ints = 0;
-    s->pins = ~0;
-}
-
-struct omap_gpio_s *omap_gpio_init(target_phys_addr_t base,
-                qemu_irq irq, omap_clk clk)
-{
-    int iomemtype;
-    struct omap_gpio_s *s = (struct omap_gpio_s *)
-            qemu_mallocz(sizeof(struct omap_gpio_s));
-
-    s->irq = irq;
-    s->in = qemu_allocate_irqs(omap_gpio_set, s, 16);
-    omap_gpio_reset(s);
-
-    iomemtype = cpu_register_io_memory(omap_gpio_readfn,
-                    omap_gpio_writefn, s);
-    cpu_register_physical_memory(base, 0x1000, iomemtype);
-
-    return s;
-}
-
-qemu_irq *omap_gpio_in_get(struct omap_gpio_s *s)
-{
-    return s->in;
-}
-
-void omap_gpio_out_set(struct omap_gpio_s *s, int line, qemu_irq handler)
-{
-    if (line >= 16 || line < 0)
-        hw_error("%s: No GPIO line %i\n", __FUNCTION__, line);
-    s->handler[line] = handler;
-}
-
 /* MicroWire Interface */
 struct omap_uwire_s {
     qemu_irq txirq;