1 files changed, 210 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/radeon/core/radeon_r300.c b/src/gallium/winsys/drm/radeon/core/radeon_r300.c
new file mode 100644
index 0000000000..d2d84f1a8f
--- /dev/null
+++ b/src/gallium/winsys/drm/radeon/core/radeon_r300.c
@@ -0,0 +1,210 @@
+/*
+ * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
+ *
+ * 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
+ * on 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
+ * THE AUTHOR(S) AND/OR THEIR 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 "radeon_r300.h"
+
+static boolean radeon_r300_add_buffer(struct r300_winsys* winsys,
+                                      struct pipe_buffer* pbuffer,
+                                      uint32_t rd,
+                                      uint32_t wd)
+{
+    struct radeon_winsys_priv* priv =
+        (struct radeon_winsys_priv*)winsys->radeon_winsys;
+    struct radeon_bo* bo = ((struct radeon_pipe_buffer*)pbuffer)->bo;
+
+    radeon_cs_space_add_persistent_bo(priv->cs, bo, rd, wd);
+    return TRUE;
+}
+
+static boolean radeon_r300_validate(struct r300_winsys* winsys)
+{
+    struct radeon_winsys_priv* priv =
+        (struct radeon_winsys_priv*)winsys->radeon_winsys;
+
+    if (radeon_cs_space_check(priv->cs) < 0) {
+        return FALSE;
+    }
+
+    /* Things are fine, we can proceed as normal. */
+    return TRUE;
+}
+
+static boolean radeon_r300_check_cs(struct r300_winsys* winsys, int size)
+{
+    /* XXX check size here, lazy ass! */
+    /* XXX also validate buffers */
+    return TRUE;
+}
+
+static void radeon_r300_begin_cs(struct r300_winsys* winsys,
+                                 int size,
+                                 const char* file,
+                                 const char* function,
+                                 int line)
+{
+    struct radeon_winsys_priv* priv =
+        (struct radeon_winsys_priv*)winsys->radeon_winsys;
+
+    radeon_cs_begin(priv->cs, size, file, function, line);
+}
+
+static void radeon_r300_write_cs_dword(struct r300_winsys* winsys,
+                                       uint32_t dword)
+{
+    struct radeon_winsys_priv* priv =
+        (struct radeon_winsys_priv*)winsys->radeon_winsys;
+
+    radeon_cs_write_dword(priv->cs, dword);
+}
+
+static void radeon_r300_write_cs_reloc(struct r300_winsys* winsys,
+                                       struct pipe_buffer* pbuffer,
+                                       uint32_t rd,
+                                       uint32_t wd,
+                                       uint32_t flags)
+{
+    struct radeon_winsys_priv* priv =
+        (struct radeon_winsys_priv*)winsys->radeon_winsys;
+    int retval = 0;
+
+    retval = radeon_cs_write_reloc(priv->cs,
+            ((struct radeon_pipe_buffer*)pbuffer)->bo, rd, wd, flags);
+
+    if (retval) {
+        debug_printf("radeon: Relocation of %p (%d, %d, %d) failed!\n",
+                pbuffer, rd, wd, flags);
+    }
+}
+
+static void radeon_r300_end_cs(struct r300_winsys* winsys,
+                               const char* file,
+                               const char* function,
+                               int line)
+{
+    struct radeon_winsys_priv* priv =
+        (struct radeon_winsys_priv*)winsys->radeon_winsys;
+
+    radeon_cs_end(priv->cs, file, function, line);
+}
+
+static void radeon_r300_flush_cs(struct r300_winsys* winsys)
+{
+    struct radeon_winsys_priv* priv =
+        (struct radeon_winsys_priv*)winsys->radeon_winsys;
+    int retval;
+
+    /* Emit the CS. */
+    retval = radeon_cs_emit(priv->cs);
+    if (retval) {
+        debug_printf("radeon: Bad CS, dumping...\n");
+        radeon_cs_print(priv->cs, stderr);
+    }
+
+    /* Clean out BOs. */
+    radeon_cs_space_reset_bos(priv->cs);
+
+    /* Reset CS.
+     * Someday, when we care about performance, we should really find a way
+     * to rotate between two or three CS objects so that the GPU can be
+     * spinning through one CS while another one is being filled. */
+    radeon_cs_erase(priv->cs);
+}
+
+/* Helper function to do the ioctls needed for setup and init. */
+static void do_ioctls(struct r300_winsys* winsys, int fd)
+{
+    struct drm_radeon_gem_info gem_info = {0};
+    struct drm_radeon_info info = {0};
+    int target = 0;
+    int retval;
+
+    info.value = (unsigned long)&target;
+
+    /* First, get the number of pixel pipes */
+    info.request = RADEON_INFO_NUM_GB_PIPES;
+    retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
+    if (retval) {
+        fprintf(stderr, "%s: Failed to get GB pipe count, "
+                "error number %d\n", __FUNCTION__, retval);
+        exit(1);
+    }
+    winsys->gb_pipes = target;
+
+    /* Then, get PCI ID */
+    info.request = RADEON_INFO_DEVICE_ID;
+    retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
+    if (retval) {
+        fprintf(stderr, "%s: Failed to get PCI ID, "
+                "error number %d\n", __FUNCTION__, retval);
+        exit(1);
+    }
+    winsys->pci_id = target;
+
+    /* Finally, retrieve MM info */
+    retval = drmCommandWriteRead(fd, DRM_RADEON_GEM_INFO,
+            &gem_info, sizeof(gem_info));
+    if (retval) {
+        fprintf(stderr, "%s: Failed to get MM info, error number %d\n",
+                __FUNCTION__, retval);
+        exit(1);
+    }
+    winsys->gart_size = gem_info.gart_size;
+    /* XXX */
+    winsys->vram_size = gem_info.vram_visible;
+}
+
+struct r300_winsys*
+radeon_create_r300_winsys(int fd, struct radeon_winsys* old_winsys)
+{
+    struct r300_winsys* winsys = CALLOC_STRUCT(r300_winsys);
+    struct radeon_winsys_priv* priv;
+
+    if (winsys == NULL) {
+        return NULL;
+    }
+
+    priv = old_winsys->priv;
+
+    do_ioctls(winsys, fd);
+
+    priv->csm = radeon_cs_manager_gem_ctor(fd);
+
+    priv->cs = radeon_cs_create(priv->csm, 1024 * 64 / 4);
+    radeon_cs_set_limit(priv->cs,
+            RADEON_GEM_DOMAIN_GTT, winsys->gart_size);
+    radeon_cs_set_limit(priv->cs,
+            RADEON_GEM_DOMAIN_VRAM, winsys->vram_size);
+
+    winsys->add_buffer = radeon_r300_add_buffer;
+    winsys->validate = radeon_r300_validate;
+
+    winsys->check_cs = radeon_r300_check_cs;
+    winsys->begin_cs = radeon_r300_begin_cs;
+    winsys->write_cs_dword = radeon_r300_write_cs_dword;
+    winsys->write_cs_reloc = radeon_r300_write_cs_reloc;
+    winsys->end_cs = radeon_r300_end_cs;
+    winsys->flush_cs = radeon_r300_flush_cs;
+
+    memcpy(winsys, old_winsys, sizeof(struct radeon_winsys));
+
+    return winsys;
+}