diff options
| -rw-r--r-- | hw/arm/bcm2835_peripherals.c | 8 | ||||
| -rw-r--r-- | hw/arm/raspi.c | 7 | ||||
| -rw-r--r-- | hw/misc/bcm2835_property.c | 139 | ||||
| -rw-r--r-- | include/hw/misc/bcm2835_property.h | 5 |
4 files changed, 144 insertions, 15 deletions
diff --git a/hw/arm/bcm2835_peripherals.c b/hw/arm/bcm2835_peripherals.c index c2fe6b7625..4d74a18110 100644 --- a/hw/arm/bcm2835_peripherals.c +++ b/hw/arm/bcm2835_peripherals.c @@ -79,6 +79,8 @@ static void bcm2835_peripherals_init(Object *obj) "board-rev", &error_abort); qdev_set_parent_bus(DEVICE(&s->property), sysbus_get_default()); + object_property_add_const_link(OBJECT(&s->property), "fb", + OBJECT(&s->fb), &error_abort); object_property_add_const_link(OBJECT(&s->property), "dma-mr", OBJECT(&s->gpu_bus_mr), &error_abort); @@ -211,12 +213,6 @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp) qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_FB)); /* Property channel */ - object_property_set_int(OBJECT(&s->property), ram_size, "ram-size", &err); - if (err) { - error_propagate(errp, err); - return; - } - object_property_set_bool(OBJECT(&s->property), true, "realized", &err); if (err) { error_propagate(errp, err); diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c index 54982095b2..83fe8097e5 100644 --- a/hw/arm/raspi.c +++ b/hw/arm/raspi.c @@ -164,11 +164,6 @@ static void raspi2_machine_init(MachineClass *mc) mc->no_floppy = 1; mc->no_cdrom = 1; mc->max_cpus = BCM2836_NCPUS; - - /* XXX: Temporary restriction in RAM size from the full 1GB. Since - * we do not yet support the framebuffer / GPU, we need to limit - * RAM usable by the OS to sit below the peripherals. - */ - mc->default_ram_size = 0x3F000000; /* BCM2836_PERI_BASE */ + mc->default_ram_size = 1024 * 1024 * 1024; }; DEFINE_MACHINE("raspi2", raspi2_machine_init) diff --git a/hw/misc/bcm2835_property.c b/hw/misc/bcm2835_property.c index 41fbbe3e7f..15dcc02f99 100644 --- a/hw/misc/bcm2835_property.c +++ b/hw/misc/bcm2835_property.c @@ -17,6 +17,11 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) uint32_t tot_len; size_t resplen; uint32_t tmp; + int n; + uint32_t offset, length, color; + uint32_t xres, yres, xoffset, yoffset, bpp, pixo, alpha; + uint32_t *newxres = NULL, *newyres = NULL, *newxoffset = NULL, + *newyoffset = NULL, *newbpp = NULL, *newpixo = NULL, *newalpha = NULL; value &= ~0xf; @@ -60,7 +65,14 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) /* 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 */ @@ -122,6 +134,114 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) resplen = 8; break; + /* Frame buffer */ + + case 0x00040001: /* Allocate buffer */ + stl_le_phys(&s->dma_as, value + 12, s->fbdev->base); + stl_le_phys(&s->dma_as, value + 16, s->fbdev->size); + resplen = 8; + break; + case 0x00048001: /* Release buffer */ + resplen = 0; + break; + case 0x00040002: /* Blank screen */ + resplen = 4; + break; + case 0x00040003: /* Get display width/height */ + case 0x00040004: + stl_le_phys(&s->dma_as, value + 12, s->fbdev->xres); + stl_le_phys(&s->dma_as, value + 16, s->fbdev->yres); + resplen = 8; + break; + case 0x00044003: /* Test display width/height */ + case 0x00044004: + resplen = 8; + break; + case 0x00048003: /* Set display width/height */ + case 0x00048004: + xres = ldl_le_phys(&s->dma_as, value + 12); + newxres = &xres; + yres = ldl_le_phys(&s->dma_as, value + 16); + newyres = &yres; + resplen = 8; + break; + case 0x00040005: /* Get depth */ + stl_le_phys(&s->dma_as, value + 12, s->fbdev->bpp); + resplen = 4; + break; + case 0x00044005: /* Test depth */ + resplen = 4; + break; + case 0x00048005: /* Set depth */ + bpp = ldl_le_phys(&s->dma_as, value + 12); + newbpp = &bpp; + resplen = 4; + break; + case 0x00040006: /* Get pixel order */ + stl_le_phys(&s->dma_as, value + 12, s->fbdev->pixo); + resplen = 4; + break; + case 0x00044006: /* Test pixel order */ + resplen = 4; + break; + case 0x00048006: /* Set pixel order */ + pixo = ldl_le_phys(&s->dma_as, value + 12); + newpixo = &pixo; + resplen = 4; + break; + case 0x00040007: /* Get alpha */ + stl_le_phys(&s->dma_as, value + 12, s->fbdev->alpha); + resplen = 4; + break; + case 0x00044007: /* Test pixel alpha */ + resplen = 4; + break; + case 0x00048007: /* Set alpha */ + alpha = ldl_le_phys(&s->dma_as, value + 12); + newalpha = α + resplen = 4; + break; + case 0x00040008: /* Get pitch */ + stl_le_phys(&s->dma_as, value + 12, s->fbdev->pitch); + resplen = 4; + break; + case 0x00040009: /* Get virtual offset */ + stl_le_phys(&s->dma_as, value + 12, s->fbdev->xoffset); + stl_le_phys(&s->dma_as, value + 16, s->fbdev->yoffset); + resplen = 8; + break; + case 0x00044009: /* Test virtual offset */ + resplen = 8; + break; + case 0x00048009: /* Set virtual offset */ + xoffset = ldl_le_phys(&s->dma_as, value + 12); + newxoffset = &xoffset; + yoffset = ldl_le_phys(&s->dma_as, value + 16); + newyoffset = &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 */ @@ -147,6 +267,13 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) value += bufsize + 12; } + /* Reconfigure framebuffer if required */ + if (newxres || newyres || newxoffset || newyoffset || newbpp || newpixo + || newalpha) { + bcm2835_fb_reconfigure(s->fbdev, newxres, newyres, newxoffset, + newyoffset, newbpp, newpixo, newalpha); + } + /* Buffer response code */ stl_le_phys(&s->dma_as, s->addr + 4, (1 << 31)); } @@ -241,6 +368,15 @@ static void bcm2835_property_realize(DeviceState *dev, Error **errp) 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", @@ -259,7 +395,6 @@ static void bcm2835_property_realize(DeviceState *dev, Error **errp) 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() }; diff --git a/include/hw/misc/bcm2835_property.h b/include/hw/misc/bcm2835_property.h index df889eaa08..edcab603ce 100644 --- a/include/hw/misc/bcm2835_property.h +++ b/include/hw/misc/bcm2835_property.h @@ -9,6 +9,7 @@ #include "hw/sysbus.h" #include "exec/address-spaces.h" #include "net/net.h" +#include "hw/display/bcm2835_fb.h" #define TYPE_BCM2835_PROPERTY "bcm2835-property" #define BCM2835_PROPERTY(obj) \ @@ -18,13 +19,15 @@ typedef struct { /*< private >*/ SysBusDevice busdev; /*< public >*/ + MemoryRegion *dma_mr; AddressSpace dma_as; MemoryRegion iomem; qemu_irq mbox_irq; + BCM2835FBState *fbdev; + MACAddr macaddr; uint32_t board_rev; - uint32_t ram_size; uint32_t addr; bool pending; } BCM2835PropertyState; |