[qemu.git] / hw / display / edid-region.c

#include "qemu/osdep.h"
#include "hw/display/edid.h"

static uint64_t edid_region_read(void *ptr, hwaddr addr, unsigned size)
{
    uint8_t *edid = ptr;

    return edid[addr];
}

static void edid_region_write(void *ptr, hwaddr addr,
                             uint64_t val, unsigned size)
{
    /* read only */
}

static const MemoryRegionOps edid_region_ops = {
    .read = edid_region_read,
    .write = edid_region_write,
    .valid.min_access_size = 1,
    .valid.max_access_size = 4,
    .impl.min_access_size = 1,
    .impl.max_access_size = 1,
    .endianness = DEVICE_LITTLE_ENDIAN,
};

void qemu_edid_region_io(MemoryRegion *region, Object *owner,
                         uint8_t *edid, size_t size)
{
    memory_region_init_io(region, owner, &edid_region_ops,
                          edid, "edid", size);
}
Commit	Line	Data
97917e9e	1	#include "qemu/osdep.h"
97917e9e GH	2	#include "hw/display/edid.h"
	3
	4	static uint64_t edid_region_read(void *ptr, hwaddr addr, unsigned size)
	5	{
	6	uint8_t *edid = ptr;
	7
	8	return edid[addr];
	9	}
	10
	11	static void edid_region_write(void *ptr, hwaddr addr,
	12	uint64_t val, unsigned size)
	13	{
	14	/* read only */
	15	}
	16
	17	static const MemoryRegionOps edid_region_ops = {
	18	.read = edid_region_read,
	19	.write = edid_region_write,
	20	.valid.min_access_size = 1,
	21	.valid.max_access_size = 4,
	22	.impl.min_access_size = 1,
	23	.impl.max_access_size = 1,
	24	.endianness = DEVICE_LITTLE_ENDIAN,
	25	};
	26
	27	void qemu_edid_region_io(MemoryRegion region, Object owner,
	28	uint8_t *edid, size_t size)
	29	{
	30	memory_region_init_io(region, owner, &edid_region_ops,
	31	edid, "edid", size);
	32	}