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Diffstat (limited to 'src/mesa/drivers/dri/unichrome/via_fb.c')
-rw-r--r--src/mesa/drivers/dri/unichrome/via_fb.c373
1 files changed, 373 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/unichrome/via_fb.c b/src/mesa/drivers/dri/unichrome/via_fb.c
new file mode 100644
index 0000000000..9d9a5b1035
--- /dev/null
+++ b/src/mesa/drivers/dri/unichrome/via_fb.c
@@ -0,0 +1,373 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+
+#include "via_context.h"
+#include "via_ioctl.h"
+#include "via_fb.h"
+#include <sys/ioctl.h>
+
+GLboolean
+via_alloc_back_buffer(viaContextPtr vmesa)
+{
+ drm_via_mem_t fb;
+ unsigned char *pFB;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+#endif
+ fb.context = vmesa->hHWContext;
+ fb.size = vmesa->back.size;
+ fb.type = VIDEO;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "context = %d, size =%d, type = %d\n", fb.context, fb.size, fb.type);
+#endif
+ if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb))
+ return GL_FALSE;
+
+ pFB = vmesa->driScreen->pFB;
+
+ vmesa->back.offset = fb.offset;
+ vmesa->back.map = (char *)(fb.offset + (GLuint)pFB);
+ vmesa->back.index = fb.index;
+#ifdef DEBUG
+ if (VIA_DEBUG) {
+ fprintf(stderr, "offset = %08x\n", vmesa->back.offset);
+ fprintf(stderr, "index = %d\n", vmesa->back.index);
+ }
+
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+#endif
+ return GL_TRUE;
+}
+
+GLboolean
+via_alloc_front_buffer(viaContextPtr vmesa)
+{
+ drm_via_mem_t fb;
+ unsigned char *pFB;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+#endif
+ fb.context = vmesa->hHWContext;
+ fb.size = vmesa->back.size;
+ fb.type = VIDEO;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "context = %d, size =%d, type = %d\n", fb.context, fb.size, fb.type);
+#endif
+ if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb))
+ return GL_FALSE;
+
+ pFB = vmesa->driScreen->pFB;
+
+ vmesa->front.offset = fb.offset;
+ vmesa->front.map = (char *)(fb.offset + (GLuint)pFB);
+ vmesa->front.index = fb.index;
+#ifdef DEBUG
+ if (VIA_DEBUG) {
+ fprintf(stderr, "offset = %08x\n", vmesa->front.offset);
+ fprintf(stderr, "index = %d\n", vmesa->front.index);
+ }
+
+
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+#endif
+ return GL_TRUE;
+}
+
+void
+via_free_back_buffer(viaContextPtr vmesa)
+{
+ drm_via_mem_t fb;
+
+ if (!vmesa) return;
+ fb.context = vmesa->hHWContext;
+ fb.index = vmesa->back.index;
+ fb.type = VIDEO;
+ ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
+ vmesa->back.map = NULL;
+}
+
+void
+via_free_front_buffer(viaContextPtr vmesa)
+{
+ drm_via_mem_t fb;
+
+ if (!vmesa) return;
+ fb.context = vmesa->hHWContext;
+ fb.index = vmesa->front.index;
+ fb.type = VIDEO;
+ ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
+ vmesa->front.map = NULL;
+}
+
+GLboolean
+via_alloc_depth_buffer(viaContextPtr vmesa)
+{
+ drm_via_mem_t fb;
+ unsigned char *pFB;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+#endif
+ fb.context = vmesa->hHWContext;
+ fb.size = vmesa->depth.size;
+ fb.type = VIDEO;
+
+ if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
+ return GL_FALSE;
+ }
+
+ pFB = vmesa->driScreen->pFB;
+
+ vmesa->depth.offset = fb.offset;
+ vmesa->depth.map = (char *)(fb.offset + (GLuint)pFB);
+ vmesa->depth.index = fb.index;
+#ifdef DEBUG
+ if (VIA_DEBUG) {
+ fprintf(stderr, "offset = %08x\n", vmesa->depth.offset);
+ fprintf(stderr, "index = %d\n", vmesa->depth.index);
+ }
+
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+#endif
+ return GL_TRUE;
+}
+
+void
+via_free_depth_buffer(viaContextPtr vmesa)
+{
+ drm_via_mem_t fb;
+
+ if (!vmesa) return;
+ fb.context = vmesa->hHWContext;
+ fb.index = vmesa->depth.index;
+ fb.type = VIDEO;
+ ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
+ vmesa->depth.map = NULL;
+}
+
+GLboolean
+via_alloc_dma_buffer(viaContextPtr vmesa)
+{
+ drm_via_mem_t fb;
+ drmVIADMABuf dma;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+#endif
+ if (vmesa->viaScreen->agpLinearStart) {
+ /* Allocate DMA in AGP memory*/
+ fb.context = vmesa->hHWContext;
+ fb.size = vmesa->dma[0].size;
+ fb.type = AGP;
+ if (!ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
+ vmesa->dma[0].offset = fb.offset;
+ vmesa->dma[0].index = fb.index;
+ vmesa->dma[0].map = (unsigned char *)((GLuint)vmesa->viaScreen->agpLinearStart + fb.offset);
+ if (!ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
+ vmesa->dma[1].offset = fb.offset;
+ vmesa->dma[1].index = fb.index;
+ vmesa->dma[1].map = (unsigned char *)((GLuint)vmesa->viaScreen->agpLinearStart + fb.offset);
+ vmesa->useAgp = GL_TRUE;
+
+ return GL_TRUE;
+ }
+ else {
+ /* release dma[0]*/
+ return GL_FALSE;
+ }
+ }
+ return GL_FALSE;
+ }
+ else {
+ /* Allocate DMA in System memory */
+ dma.size = vmesa->dma[0].size;
+
+ if (drmVIAAllocateDMA(vmesa->driFd,&dma) < 0) {
+ return GL_FALSE;
+ }
+
+ vmesa->dma[0].offset = 0;
+ vmesa->dma[0].map = (unsigned char *)dma.address;
+ vmesa->dma[0].index = dma.index;
+
+ drmVIAAllocateDMA(vmesa->driFd, &dma);
+
+ vmesa->dma[1].offset = 0;
+ vmesa->dma[1].map = (unsigned char *)dma.address;
+ vmesa->dma[1].index = dma.index;
+ vmesa->useAgp = GL_FALSE;
+
+ return GL_TRUE;
+ }
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+#endif
+}
+
+void
+via_free_dma_buffer(viaContextPtr vmesa)
+{
+ drmVIADMABuf dma;
+ drm_via_mem_t fb;
+
+
+ if (!vmesa) return;
+
+ /* Release AGP command buffer */
+ if (vmesa->useAgp) {
+ fb.context = vmesa->hHWContext;
+ fb.index = vmesa->dma[0].index;
+ fb.type = AGP;
+ ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
+ vmesa->dma[0].map = NULL;
+ fb.index = vmesa->dma[1].index;
+ ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
+ vmesa->dma[1].map = NULL;
+ }
+ /* Release System command buffer */
+ else {
+
+ dma.address = (unsigned long *)vmesa->dma[0].map;
+ /*=* John Sheng [2003.6.16] fix pci path *=*/
+ dma.size = (unsigned int)vmesa->dma[0].size;
+ drmVIAReleaseDMA(vmesa->driFd, &dma);
+
+ dma.address = (unsigned long *)vmesa->dma[1].map;
+ /*=* John Sheng [2003.6.16] fix pci path *=*/
+ dma.size = (unsigned int)vmesa->dma[1].size;
+ drmVIAReleaseDMA(vmesa->driFd, &dma);
+ vmesa->dma[0].map = 0;
+ vmesa->dma[1].map = 0;
+ }
+}
+
+GLboolean
+via_alloc_texture(viaContextPtr vmesa, viaTextureObjectPtr t)
+{
+ drm_via_mem_t fb;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+#endif
+ fb.context = vmesa->hHWContext;
+ fb.size = t->texMem.size;
+ fb.type = VIDEO;
+#ifdef DEBUG
+ if (VIA_DEBUG) {
+ fprintf(stderr, "texture size = %d\n", fb.size);
+ fprintf(stderr, "texture type = %d\n", fb.type);
+ }
+#endif
+ if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
+ fprintf(stderr, "via_alloc_texture fail\n");
+ return GL_FALSE;
+ }
+
+ t->texMem.offset = fb.offset;
+ t->texMem.index = fb.index;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "texture index = %d\n", (GLuint)fb.index);
+#endif
+
+ t->bufAddr = (unsigned char *)(fb.offset + (GLuint)vmesa->driScreen->pFB);
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+#endif
+ return GL_TRUE;
+}
+/*=* John Sheng [2003.5.31] agp tex *=*/
+GLboolean
+via_alloc_texture_agp(viaContextPtr vmesa, viaTextureObjectPtr t)
+{
+ drm_via_mem_t fb;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+#endif
+ fb.context = vmesa->hHWContext;
+ fb.size = t->texMem.size;
+ fb.type = AGP;
+#ifdef DEBUG
+ if (VIA_DEBUG) {
+ fprintf(stderr, "texture_agp size = %d\n", fb.size);
+ fprintf(stderr, "texture type = %d\n", fb.type);
+ }
+#endif
+ if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
+ fprintf(stderr, "via_alloc_texture_agp fail\n");
+ return GL_FALSE;
+ }
+
+ t->texMem.offset = fb.offset;
+ t->texMem.index = fb.index;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "texture agp index = %d\n", (GLuint)fb.index);
+#endif
+
+ t->bufAddr = (unsigned char *)((GLuint)vmesa->viaScreen->agpLinearStart + fb.offset);
+ /*=* John Sheng [2003.5.31] agp tex *=*/
+ t->inAGP = GL_TRUE;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+#endif
+ return GL_TRUE;
+}
+
+void
+via_free_texture(viaContextPtr vmesa, viaTextureObjectPtr t)
+{
+ drm_via_mem_t fb;
+#ifdef DEBUG
+ if (VIA_DEBUG) {
+ fprintf(stderr, "via_free_texture: index = %d\n",
+ t->texMem.index);
+ fprintf(stderr, "via_free_texture: size = %d\n",
+ t->texMem.size);
+ }
+#endif
+ if (!vmesa) {
+ fprintf(stderr, "!mesa\n");
+ return;
+ }
+
+ fb.context = vmesa->hHWContext;
+ fb.index = t->texMem.index;
+
+ /*=* John Sheng [2003.5.31] agp tex *=*/
+ if(t->inAGP)
+ fb.type = AGP;
+ else
+ fb.type = VIDEO;
+
+ if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb)) {
+ if(vmesa->shareCtx) {
+ fb.context = ((viaContextPtr)((GLcontext *)(vmesa->shareCtx)->DriverCtx))->hHWContext;
+ if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb)) {
+ fprintf(stderr, "via_free_texture fail\n");
+ }
+ }
+ else
+ fprintf(stderr, "via_free_texture fail\n");
+ }
+
+ t->bufAddr = NULL;
+}
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