*/
#include "qemu/osdep.h"
+#include "qapi/error.h"
#include "hw/misc/bcm2835_property.h"
#include "hw/misc/bcm2835_mbox_defs.h"
#include "sysemu/dma.h"
+#include "qemu/log.h"
/* https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface */
uint32_t tot_len;
size_t resplen;
uint32_t tmp;
+ int n;
+ uint32_t offset, length, color;
+
+ /*
+ * Copy the current state of the framebuffer config; we will update
+ * this copy as we process tags and then ask the framebuffer to use
+ * it at the end.
+ */
+ BCM2835FBConfig fbconfig = s->fbdev->config;
+ bool fbconfig_updated = false;
value &= ~0xf;
/* base */
stl_le_phys(&s->dma_as, value + 12, 0);
/* size */
- stl_le_phys(&s->dma_as, value + 16, s->ram_size);
+ stl_le_phys(&s->dma_as, value + 16, s->fbdev->vcram_base);
+ resplen = 8;
+ break;
+ case 0x00010006: /* Get VC memory */
+ /* base */
+ stl_le_phys(&s->dma_as, value + 12, s->fbdev->vcram_base);
+ /* size */
+ stl_le_phys(&s->dma_as, value + 16, s->fbdev->vcram_size);
resplen = 8;
break;
case 0x00028001: /* Set power state */
resplen = 8;
break;
+ /* Frame buffer */
+
+ case 0x00040001: /* Allocate buffer */
+ stl_le_phys(&s->dma_as, value + 12, fbconfig.base);
+ stl_le_phys(&s->dma_as, value + 16,
+ bcm2835_fb_get_size(&fbconfig));
+ resplen = 8;
+ break;
+ case 0x00048001: /* Release buffer */
+ resplen = 0;
+ break;
+ case 0x00040002: /* Blank screen */
+ resplen = 4;
+ break;
+ case 0x00044003: /* Test physical display width/height */
+ case 0x00044004: /* Test virtual display width/height */
+ resplen = 8;
+ break;
+ case 0x00048003: /* Set physical display width/height */
+ fbconfig.xres = ldl_le_phys(&s->dma_as, value + 12);
+ fbconfig.yres = ldl_le_phys(&s->dma_as, value + 16);
+ bcm2835_fb_validate_config(&fbconfig);
+ fbconfig_updated = true;
+ /* fall through */
+ case 0x00040003: /* Get physical display width/height */
+ stl_le_phys(&s->dma_as, value + 12, fbconfig.xres);
+ stl_le_phys(&s->dma_as, value + 16, fbconfig.yres);
+ resplen = 8;
+ break;
+ case 0x00048004: /* Set virtual display width/height */
+ fbconfig.xres_virtual = ldl_le_phys(&s->dma_as, value + 12);
+ fbconfig.yres_virtual = ldl_le_phys(&s->dma_as, value + 16);
+ bcm2835_fb_validate_config(&fbconfig);
+ fbconfig_updated = true;
+ /* fall through */
+ case 0x00040004: /* Get virtual display width/height */
+ stl_le_phys(&s->dma_as, value + 12, fbconfig.xres_virtual);
+ stl_le_phys(&s->dma_as, value + 16, fbconfig.yres_virtual);
+ resplen = 8;
+ break;
+ case 0x00044005: /* Test depth */
+ resplen = 4;
+ break;
+ case 0x00048005: /* Set depth */
+ fbconfig.bpp = ldl_le_phys(&s->dma_as, value + 12);
+ bcm2835_fb_validate_config(&fbconfig);
+ fbconfig_updated = true;
+ /* fall through */
+ case 0x00040005: /* Get depth */
+ stl_le_phys(&s->dma_as, value + 12, fbconfig.bpp);
+ resplen = 4;
+ break;
+ case 0x00044006: /* Test pixel order */
+ resplen = 4;
+ break;
+ case 0x00048006: /* Set pixel order */
+ fbconfig.pixo = ldl_le_phys(&s->dma_as, value + 12);
+ bcm2835_fb_validate_config(&fbconfig);
+ fbconfig_updated = true;
+ /* fall through */
+ case 0x00040006: /* Get pixel order */
+ stl_le_phys(&s->dma_as, value + 12, fbconfig.pixo);
+ resplen = 4;
+ break;
+ case 0x00044007: /* Test pixel alpha */
+ resplen = 4;
+ break;
+ case 0x00048007: /* Set alpha */
+ fbconfig.alpha = ldl_le_phys(&s->dma_as, value + 12);
+ bcm2835_fb_validate_config(&fbconfig);
+ fbconfig_updated = true;
+ /* fall through */
+ case 0x00040007: /* Get alpha */
+ stl_le_phys(&s->dma_as, value + 12, fbconfig.alpha);
+ resplen = 4;
+ break;
+ case 0x00040008: /* Get pitch */
+ stl_le_phys(&s->dma_as, value + 12,
+ bcm2835_fb_get_pitch(&fbconfig));
+ resplen = 4;
+ break;
+ case 0x00044009: /* Test virtual offset */
+ resplen = 8;
+ break;
+ case 0x00048009: /* Set virtual offset */
+ fbconfig.xoffset = ldl_le_phys(&s->dma_as, value + 12);
+ fbconfig.yoffset = ldl_le_phys(&s->dma_as, value + 16);
+ bcm2835_fb_validate_config(&fbconfig);
+ fbconfig_updated = true;
+ /* fall through */
+ case 0x00040009: /* Get virtual offset */
+ stl_le_phys(&s->dma_as, value + 12, fbconfig.xoffset);
+ stl_le_phys(&s->dma_as, value + 16, fbconfig.yoffset);
+ resplen = 8;
+ break;
+ case 0x0004000a: /* Get/Test/Set overscan */
+ case 0x0004400a:
+ case 0x0004800a:
+ stl_le_phys(&s->dma_as, value + 12, 0);
+ stl_le_phys(&s->dma_as, value + 16, 0);
+ stl_le_phys(&s->dma_as, value + 20, 0);
+ stl_le_phys(&s->dma_as, value + 24, 0);
+ resplen = 16;
+ break;
+ case 0x0004800b: /* Set palette */
+ offset = ldl_le_phys(&s->dma_as, value + 12);
+ length = ldl_le_phys(&s->dma_as, value + 16);
+ n = 0;
+ while (n < length - offset) {
+ color = ldl_le_phys(&s->dma_as, value + 20 + (n << 2));
+ stl_le_phys(&s->dma_as,
+ s->fbdev->vcram_base + ((offset + n) << 2), color);
+ n++;
+ }
+ stl_le_phys(&s->dma_as, value + 12, 0);
+ resplen = 4;
+ break;
case 0x00060001: /* Get DMA channels */
/* channels 2-5 */
value += bufsize + 12;
}
+ /* Reconfigure framebuffer if required */
+ if (fbconfig_updated) {
+ bcm2835_fb_reconfigure(s->fbdev, &fbconfig);
+ }
+
/* Buffer response code */
stl_le_phys(&s->dma_as, s->addr + 4, (1 << 31));
}
Object *obj;
Error *err = NULL;
+ obj = object_property_get_link(OBJECT(dev), "fb", &err);
+ if (obj == NULL) {
+ error_setg(errp, "%s: required fb link not found: %s",
+ __func__, error_get_pretty(err));
+ return;
+ }
+
+ s->fbdev = BCM2835_FB(obj);
+
obj = object_property_get_link(OBJECT(dev), "dma-mr", &err);
if (obj == NULL) {
error_setg(errp, "%s: required dma-mr link not found: %s",
static Property bcm2835_property_props[] = {
DEFINE_PROP_UINT32("board-rev", BCM2835PropertyState, board_rev, 0),
- DEFINE_PROP_UINT32("ram-size", BCM2835PropertyState, ram_size, 0),
DEFINE_PROP_END_OF_LIST()
};
projects / qemu.git / blobdiff