From ecb7f29f74c8f7456302267fe31b1de4bcc103c5 Mon Sep 17 00:00:00 2001
From: Corbin Simpson <MostAwesomeDude@gmail.com>
Date: Thu, 22 Jan 2009 13:34:21 -0800
Subject: amd/r300: Wire up GETPARAM ioctls.

Whoo, stuff is starting to look cleaner and cleaner.
---
 src/gallium/winsys/drm/amd/amd_context.c |  9 ++++----
 src/gallium/winsys/drm/amd/amd_r300.c    | 38 +++++++++++++++++++++++++++++---
 src/gallium/winsys/drm/amd/amd_r300.h    |  7 +++++-
 3 files changed, 45 insertions(+), 9 deletions(-)

(limited to 'src/gallium/winsys/drm')

diff --git a/src/gallium/winsys/drm/amd/amd_context.c b/src/gallium/winsys/drm/amd/amd_context.c
index 53311684ded..7a486c93a59 100644
--- a/src/gallium/winsys/drm/amd/amd_context.c
+++ b/src/gallium/winsys/drm/amd/amd_context.c
@@ -244,11 +244,10 @@ GLboolean amd_context_create(const __GLcontextModes *visual,
 
     if (GL_TRUE) {
         fprintf(stderr, "Creating r300 context...");
-        /* XXX today we pretend to be a very lame R300    vvvvvv */
-        pipe = r300_create_context(NULL,
-                                   amd_context->pipe_winsys,
-                                   amd_create_r300_winsys(amd_context->drm_fd,
-                                                          0x4144));
+        pipe =
+            r300_create_context(NULL,
+                                amd_context->pipe_winsys,
+                                amd_create_r300_winsys(amd_context->drm_fd));
     } else {
         pipe = amd_create_softpipe(amd_context);
     }
diff --git a/src/gallium/winsys/drm/amd/amd_r300.c b/src/gallium/winsys/drm/amd/amd_r300.c
index a7a70fdd7ff..04295e8281b 100644
--- a/src/gallium/winsys/drm/amd/amd_r300.c
+++ b/src/gallium/winsys/drm/amd/amd_r300.c
@@ -43,13 +43,45 @@ static void amd_r300_flush_cs(struct radeon_cs* cs)
     radeon_cs_erase(cs);
 }
 
-struct r300_winsys* amd_create_r300_winsys(int fd, uint32_t pci_id)
+/* Helper function to do the ioctls needed for setup and init. */
+static void do_ioctls(struct r300_winsys* winsys, int fd)
+{
+    drm_radeon_getparam_t gp;
+    uint32_t target;
+    int retval;
+
+    /* XXX is this cast safe? */
+    gp.value = (int*)&target;
+
+    /* First, get PCI ID */
+    gp.param = RADEON_PARAM_DEVICE_ID;
+    retval = drmCommandWriteRead(fd, DRM_RADEON_GETPARAM, &gp, sizeof(gp));
+    if (retval) {
+        fprintf(stderr, "%s: Failed to get PCI ID, error number %d",
+                __FUNCTION__, retval);
+        exit(1);
+    }
+    winsys->pci_id = target;
+
+    /* Then, get the number of pixel pipes */
+    gp.param = RADEON_PARAM_NUM_GB_PIPES;
+    retval = drmCommandWriteRead(fd, DRM_RADEON_GETPARAM, &gp, sizeof(gp));
+    if (retval) {
+        fprintf(stderr, "%s: Failed to get GB pipe count, error number %d",
+                __FUNCTION__, retval);
+        exit(1);
+    }
+    winsys->gb_pipes = target;
+
+}
+
+struct r300_winsys* amd_create_r300_winsys(int fd)
 {
     struct r300_winsys* winsys = calloc(1, sizeof(struct r300_winsys));
 
-    struct radeon_cs_manager* csm = radeon_cs_manager_gem_ctor(fd);
+    do_ioctls(winsys, fd);
 
-    winsys->pci_id = pci_id;
+    struct radeon_cs_manager* csm = radeon_cs_manager_gem_ctor(fd);
 
     winsys->cs = radeon_cs_create(csm, 1024 * 64 / 4);
 
diff --git a/src/gallium/winsys/drm/amd/amd_r300.h b/src/gallium/winsys/drm/amd/amd_r300.h
index 0d229fe0c4c..d80c23594cd 100644
--- a/src/gallium/winsys/drm/amd/amd_r300.h
+++ b/src/gallium/winsys/drm/amd/amd_r300.h
@@ -20,10 +20,15 @@
  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
 
+/* XXX WTF is this! I shouldn't have to include those first three! FUCK! */
+#include <stdint.h>
+#include <stdlib.h>
+#include "drm.h"
+#include "radeon_drm.h"
 #include "radeon_cs.h"
 
 #include "r300_winsys.h"
 
 #include "amd_buffer.h"
 
-struct r300_winsys* amd_create_r300_winsys(int fd, uint32_t pci_id);
+struct r300_winsys* amd_create_r300_winsys(int fd);
-- 
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