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-rw-r--r--shared-core/amd_legacy_cbuffer.c306
1 files changed, 306 insertions, 0 deletions
diff --git a/shared-core/amd_legacy_cbuffer.c b/shared-core/amd_legacy_cbuffer.c
new file mode 100644
index 00000000..f1b7a44b
--- /dev/null
+++ b/shared-core/amd_legacy_cbuffer.c
@@ -0,0 +1,306 @@
+/*
+ * Copyright 2008 Jérôme Glisse
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * PRECISION INSIGHT 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.
+ *
+ * Authors:
+ * Jerome Glisse <glisse@freedesktop.org>
+ */
+#include "radeon_ms.h"
+#include "amd.h"
+
+#define RADEON_DST_Y_X 0x1438
+#define RADEON_SRC_Y_X 0x1434
+#define RADEON_DP_CNTL 0x16c0
+#define RADEON_DP_GUI_MASTER_CNTL 0x146c
+#define RADEON_DP_BRUSH_BKGD_CLR 0x1478
+#define RADEON_DP_BRUSH_FRGD_CLR 0x147c
+#define RADEON_DP_WRITE_MASK 0x16cc
+#define RADEON_DST_PITCH_OFFSET 0x142c
+#define RADEON_SRC_PITCH_OFFSET 0x1428
+#define RADEON_DST_HEIGHT_WIDTH 0x143c
+
+struct legacy_check
+{
+ /* for 2D operations */
+ uint32_t dp_gui_master_cntl;
+ uint32_t dst_offset;
+ uint32_t dst_pitch;
+ struct amd_cbuffer_arg *dst;
+ uint32_t dst_x;
+ uint32_t dst_y;
+ uint32_t dst_h;
+ uint32_t dst_w;
+ struct amd_cbuffer_arg *src;
+ uint32_t src_pitch;
+ uint32_t src_x;
+ uint32_t src_y;
+};
+
+static int check_blit(struct drm_device *dev, struct amd_cbuffer *cbuffer)
+{
+ struct legacy_check *legacy_check;
+ long bpp, start, end;
+
+ legacy_check = (struct legacy_check *)cbuffer->driver;
+ /* check that gui master cntl have been set */
+ if (legacy_check->dp_gui_master_cntl == 0xffffffff) {
+ return -EINVAL;
+ }
+ switch ((legacy_check->dp_gui_master_cntl >> 8) & 0xf) {
+ case 2:
+ bpp = 1;
+ break;
+ case 3:
+ case 4:
+ bpp = 2;
+ break;
+ case 6:
+ bpp = 4;
+ break;
+ default:
+ return -EINVAL;
+ }
+ /* check that a destination have been set */
+ if (legacy_check->dst == (void *)-1) {
+ return -EINVAL;
+ }
+ if (legacy_check->dst_pitch == 0xffffffff) {
+ return -EINVAL;
+ }
+ if (legacy_check->dst_x == 0xffffffff) {
+ return -EINVAL;
+ }
+ if (legacy_check->dst_y == 0xffffffff) {
+ return -EINVAL;
+ }
+ if (legacy_check->dst_w == 0xffffffff) {
+ return -EINVAL;
+ }
+ if (legacy_check->dst_h == 0xffffffff) {
+ return -EINVAL;
+ }
+ /* compute start offset of blit */
+ start = legacy_check->dst_pitch * legacy_check->dst_y +
+ legacy_check->dst_x * bpp;
+ /* compute end offset of blit */
+ end = legacy_check->dst_pitch * legacy_check->dst_h +
+ legacy_check->dst_w * bpp;
+ /* FIXME: check that end offset is inside dst bo */
+
+ /* check that a destination have been set */
+ if (legacy_check->dp_gui_master_cntl & 1) {
+ if (legacy_check->src == (void *)-1) {
+ return -EINVAL;
+ }
+ if (legacy_check->src_pitch == 0xffffffff) {
+ return -EINVAL;
+ }
+ if (legacy_check->src_x == 0xffffffff) {
+ return -EINVAL;
+ }
+ if (legacy_check->src_y == 0xffffffff) {
+ return -EINVAL;
+ }
+ /* compute start offset of blit */
+ start = legacy_check->src_pitch * legacy_check->src_y +
+ legacy_check->src_x * bpp;
+ /* compute end offset of blit */
+ end = legacy_check->src_pitch * legacy_check->dst_h +
+ legacy_check->dst_w * bpp + start;
+ /* FIXME: check that end offset is inside src bo */
+ }
+ return 0;
+}
+
+static int p0_dp_gui_master_cntl(struct drm_device *dev,
+ struct amd_cbuffer *cbuffer,
+ int dw_id, int reg)
+{
+ struct legacy_check *legacy_check;
+
+ legacy_check = (struct legacy_check *)cbuffer->driver;
+ legacy_check->dp_gui_master_cntl = cbuffer->cbuffer[dw_id];
+ /* we only accept src data type to be same as dst */
+ if (((legacy_check->dp_gui_master_cntl >> 12) & 0x3) != 3) {
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int p0_dst_pitch_offset(struct drm_device *dev,
+ struct amd_cbuffer *cbuffer,
+ int dw_id, int reg)
+{
+ struct legacy_check *legacy_check;
+ uint32_t gpu_addr;
+ int ret;
+
+ legacy_check = (struct legacy_check *)cbuffer->driver;
+ legacy_check->dst_pitch = ((cbuffer->cbuffer[dw_id] >> 22) & 0xff) << 6;
+ legacy_check->dst = amd_cbuffer_arg_from_dw_id(&cbuffer->arg_unused,
+ dw_id);
+ if (legacy_check->dst == NULL) {
+ return -EINVAL;
+ }
+ ret = radeon_ms_bo_get_gpu_addr(dev, &legacy_check->dst->buffer->mem,
+ &gpu_addr);
+ if (ret) {
+ return -EINVAL;
+ }
+ cbuffer->cbuffer[dw_id] &= 0xffc00000;
+ cbuffer->cbuffer[dw_id] |= (gpu_addr >> 10);
+ return 0;
+}
+
+static int p0_src_pitch_offset(struct drm_device *dev,
+ struct amd_cbuffer *cbuffer,
+ int dw_id, int reg)
+{
+ struct legacy_check *legacy_check;
+ uint32_t gpu_addr;
+ int ret;
+
+ legacy_check = (struct legacy_check *)cbuffer->driver;
+ legacy_check->src_pitch = ((cbuffer->cbuffer[dw_id] >> 22) & 0xff) << 6;
+ legacy_check->src = amd_cbuffer_arg_from_dw_id(&cbuffer->arg_unused,
+ dw_id);
+ if (legacy_check->dst == NULL) {
+ return -EINVAL;
+ }
+ ret = radeon_ms_bo_get_gpu_addr(dev, &legacy_check->src->buffer->mem,
+ &gpu_addr);
+ if (ret) {
+ return -EINVAL;
+ }
+ cbuffer->cbuffer[dw_id] &= 0xffc00000;
+ cbuffer->cbuffer[dw_id] |= (gpu_addr >> 10);
+ return 0;
+}
+
+static int p0_dst_y_x(struct drm_device *dev,
+ struct amd_cbuffer *cbuffer,
+ int dw_id, int reg)
+{
+ struct legacy_check *legacy_check;
+
+ legacy_check = (struct legacy_check *)cbuffer->driver;
+ legacy_check->dst_x = cbuffer->cbuffer[dw_id] & 0xffff;
+ legacy_check->dst_y = (cbuffer->cbuffer[dw_id] >> 16) & 0xffff;
+ return 0;
+}
+
+static int p0_src_y_x(struct drm_device *dev,
+ struct amd_cbuffer *cbuffer,
+ int dw_id, int reg)
+{
+ struct legacy_check *legacy_check;
+
+ legacy_check = (struct legacy_check *)cbuffer->driver;
+ legacy_check->src_x = cbuffer->cbuffer[dw_id] & 0xffff;
+ legacy_check->src_y = (cbuffer->cbuffer[dw_id] >> 16) & 0xffff;
+ return 0;
+}
+
+static int p0_dst_h_w(struct drm_device *dev,
+ struct amd_cbuffer *cbuffer,
+ int dw_id, int reg)
+{
+ struct legacy_check *legacy_check;
+
+ legacy_check = (struct legacy_check *)cbuffer->driver;
+ legacy_check->dst_w = cbuffer->cbuffer[dw_id] & 0xffff;
+ legacy_check->dst_h = (cbuffer->cbuffer[dw_id] >> 16) & 0xffff;
+ return check_blit(dev, cbuffer);
+}
+
+static int legacy_cbuffer_check(struct drm_device *dev,
+ struct amd_cbuffer *cbuffer)
+{
+ struct legacy_check legacy_check;
+
+ memset(&legacy_check, 0xff, sizeof(struct legacy_check));
+ cbuffer->driver = &legacy_check;
+ return amd_cbuffer_check(dev, cbuffer);
+}
+
+int amd_legacy_cbuffer_destroy(struct drm_device *dev)
+{
+ struct drm_radeon_private *dev_priv = dev->dev_private;
+
+ dev_priv->cbuffer_checker.check = NULL;
+ if (dev_priv->cbuffer_checker.numof_p0_checkers) {
+ drm_free(dev_priv->cbuffer_checker.check_p0,
+ dev_priv->cbuffer_checker.numof_p0_checkers *
+ sizeof(void*), DRM_MEM_DRIVER);
+ dev_priv->cbuffer_checker.numof_p0_checkers = 0;
+ }
+ if (dev_priv->cbuffer_checker.numof_p3_checkers) {
+ drm_free(dev_priv->cbuffer_checker.check_p3,
+ dev_priv->cbuffer_checker.numof_p3_checkers *
+ sizeof(void*), DRM_MEM_DRIVER);
+ dev_priv->cbuffer_checker.numof_p3_checkers = 0;
+ }
+ return 0;
+}
+
+int amd_legacy_cbuffer_initialize(struct drm_device *dev)
+{
+ struct drm_radeon_private *dev_priv = dev->dev_private;
+ struct amd_cbuffer_checker *checker = &dev_priv->cbuffer_checker;
+ long size;
+
+ /* packet 0 */
+ checker->numof_p0_checkers = 0x5000 >> 2;
+ size = checker->numof_p0_checkers * sizeof(void*);
+ checker->check_p0 = drm_alloc(size, DRM_MEM_DRIVER);
+ if (checker->check_p0 == NULL) {
+ amd_legacy_cbuffer_destroy(dev);
+ return -ENOMEM;
+ }
+ /* initialize to -1 */
+ memset(checker->check_p0, 0xff, size);
+
+ /* packet 3 */
+ checker->numof_p3_checkers = 20;
+ size = checker->numof_p3_checkers * sizeof(void*);
+ checker->check_p3 = drm_alloc(size, DRM_MEM_DRIVER);
+ if (checker->check_p3 == NULL) {
+ amd_legacy_cbuffer_destroy(dev);
+ return -ENOMEM;
+ }
+ /* initialize to -1 */
+ memset(checker->check_p3, 0xff, size);
+
+ /* initialize packet0 checker */
+ checker->check_p0[RADEON_DST_Y_X >> 2] = p0_dst_y_x;
+ checker->check_p0[RADEON_SRC_Y_X >> 2] = p0_src_y_x;
+ checker->check_p0[RADEON_DST_HEIGHT_WIDTH >> 2] = p0_dst_h_w;
+ checker->check_p0[RADEON_DST_PITCH_OFFSET >> 2] = p0_dst_pitch_offset;
+ checker->check_p0[RADEON_SRC_PITCH_OFFSET >> 2] = p0_src_pitch_offset;
+ checker->check_p0[RADEON_DP_GUI_MASTER_CNTL>>2] = p0_dp_gui_master_cntl;
+ checker->check_p0[RADEON_DP_BRUSH_FRGD_CLR >> 2] = NULL;
+ checker->check_p0[RADEON_DP_WRITE_MASK >> 2] = NULL;
+ checker->check_p0[RADEON_DP_CNTL >> 2] = NULL;
+
+ checker->check = legacy_cbuffer_check;
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 00:21:15 +0000