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authorEric Anholt <eric@anholt.net>2018-05-01 12:24:48 -0700
committerEric Anholt <eric@anholt.net>2018-05-16 21:19:07 +0100
commit8c47ebbd232704ab048eab2572e2b2a44f38957a (patch)
tree8946780fc424b3aa39e0b32ac875047605770a49 /src/gallium/drivers/v3d/v3dx_simulator.c
parentc4c488a2aeb24c0f468664c0cacd0d01111a4e46 (diff)
v3d: Rename the driver files from "vc5" to "v3d".
Diffstat (limited to 'src/gallium/drivers/v3d/v3dx_simulator.c')
-rw-r--r--src/gallium/drivers/v3d/v3dx_simulator.c190
1 files changed, 190 insertions, 0 deletions
diff --git a/src/gallium/drivers/v3d/v3dx_simulator.c b/src/gallium/drivers/v3d/v3dx_simulator.c
new file mode 100644
index 00000000000..ee8b6f2b9fd
--- /dev/null
+++ b/src/gallium/drivers/v3d/v3dx_simulator.c
@@ -0,0 +1,190 @@
+/*
+ * Copyright © 2014-2017 Broadcom
+ *
+ * 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
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+/**
+ * @file vc5_simulator_hw.c
+ *
+ * Implements the actual HW interaction betweeh the GL driver's VC5 simulator and the simulator.
+ *
+ * The register headers between V3D versions will have conflicting defines, so
+ * all register interactions appear in this file and are compiled per V3D version
+ * we support.
+ */
+
+#ifdef USE_V3D_SIMULATOR
+
+#include "v3d_screen.h"
+#include "v3d_context.h"
+#include "v3d_simulator_wrapper.h"
+
+#define HW_REGISTER_RO(x) (x)
+#define HW_REGISTER_RW(x) (x)
+#if V3D_VERSION >= 41
+#include "libs/core/v3d/registers/4.1.34.0/v3d.h"
+#else
+#include "libs/core/v3d/registers/3.3.0.0/v3d.h"
+#endif
+
+#define V3D_WRITE(reg, val) v3d_hw_write_reg(v3d, reg, val)
+#define V3D_READ(reg) v3d_hw_read_reg(v3d, reg)
+
+static void
+vc5_flush_l3(struct v3d_hw *v3d)
+{
+ if (!v3d_hw_has_gca(v3d))
+ return;
+
+#if V3D_VERSION < 40
+ uint32_t gca_ctrl = V3D_READ(V3D_GCA_CACHE_CTRL);
+
+ V3D_WRITE(V3D_GCA_CACHE_CTRL, gca_ctrl | V3D_GCA_CACHE_CTRL_FLUSH_SET);
+ V3D_WRITE(V3D_GCA_CACHE_CTRL, gca_ctrl & ~V3D_GCA_CACHE_CTRL_FLUSH_SET);
+#endif
+}
+
+/* Invalidates the L2 cache. This is a read-only cache. */
+static void
+vc5_flush_l2(struct v3d_hw *v3d)
+{
+ V3D_WRITE(V3D_CTL_0_L2CACTL,
+ V3D_CTL_0_L2CACTL_L2CCLR_SET |
+ V3D_CTL_0_L2CACTL_L2CENA_SET);
+}
+
+/* Invalidates texture L2 cachelines */
+static void
+vc5_flush_l2t(struct v3d_hw *v3d)
+{
+ V3D_WRITE(V3D_CTL_0_L2TFLSTA, 0);
+ V3D_WRITE(V3D_CTL_0_L2TFLEND, ~0);
+ V3D_WRITE(V3D_CTL_0_L2TCACTL,
+ V3D_CTL_0_L2TCACTL_L2TFLS_SET |
+ (0 << V3D_CTL_0_L2TCACTL_L2TFLM_LSB));
+}
+
+/* Invalidates the slice caches. These are read-only caches. */
+static void
+vc5_flush_slices(struct v3d_hw *v3d)
+{
+ V3D_WRITE(V3D_CTL_0_SLCACTL, ~0);
+}
+
+static void
+vc5_flush_caches(struct v3d_hw *v3d)
+{
+ vc5_flush_l3(v3d);
+ vc5_flush_l2(v3d);
+ vc5_flush_l2t(v3d);
+ vc5_flush_slices(v3d);
+}
+
+int
+v3dX(simulator_get_param_ioctl)(struct v3d_hw *v3d,
+ struct drm_v3d_get_param *args)
+{
+ static const uint32_t reg_map[] = {
+ [DRM_V3D_PARAM_V3D_UIFCFG] = V3D_HUB_CTL_UIFCFG,
+ [DRM_V3D_PARAM_V3D_HUB_IDENT1] = V3D_HUB_CTL_IDENT1,
+ [DRM_V3D_PARAM_V3D_HUB_IDENT2] = V3D_HUB_CTL_IDENT2,
+ [DRM_V3D_PARAM_V3D_HUB_IDENT3] = V3D_HUB_CTL_IDENT3,
+ [DRM_V3D_PARAM_V3D_CORE0_IDENT0] = V3D_CTL_0_IDENT0,
+ [DRM_V3D_PARAM_V3D_CORE0_IDENT1] = V3D_CTL_0_IDENT1,
+ [DRM_V3D_PARAM_V3D_CORE0_IDENT2] = V3D_CTL_0_IDENT2,
+ };
+
+ if (args->param < ARRAY_SIZE(reg_map) && reg_map[args->param]) {
+ args->value = V3D_READ(reg_map[args->param]);
+ return 0;
+ }
+
+ fprintf(stderr, "Unknown DRM_IOCTL_VC5_GET_PARAM(%lld)\n",
+ (long long)args->value);
+ abort();
+}
+
+void
+v3dX(simulator_init_regs)(struct v3d_hw *v3d)
+{
+#if V3D_VERSION == 33
+ /* Set OVRTMUOUT to match kernel behavior.
+ *
+ * This means that the texture sampler uniform configuration's tmu
+ * output type field is used, instead of using the hardware default
+ * behavior based on the texture type. If you want the default
+ * behavior, you can still put "2" in the indirect texture state's
+ * output_type field.
+ */
+ V3D_WRITE(V3D_CTL_0_MISCCFG, V3D_CTL_1_MISCCFG_OVRTMUOUT_SET);
+#endif
+}
+
+void
+v3dX(simulator_flush)(struct v3d_hw *v3d, struct drm_v3d_submit_cl *submit,
+ uint32_t gmp_ofs)
+{
+ /* Completely reset the GMP. */
+ V3D_WRITE(V3D_GMP_0_CFG,
+ V3D_GMP_0_CFG_PROTENABLE_SET);
+ V3D_WRITE(V3D_GMP_0_TABLE_ADDR, gmp_ofs);
+ V3D_WRITE(V3D_GMP_0_CLEAR_LOAD, ~0);
+ while (V3D_READ(V3D_GMP_0_STATUS) &
+ V3D_GMP_0_STATUS_CFG_BUSY_SET) {
+ ;
+ }
+
+ vc5_flush_caches(v3d);
+
+ if (submit->qma) {
+ V3D_WRITE(V3D_CLE_0_CT0QMA, submit->qma);
+ V3D_WRITE(V3D_CLE_0_CT0QMS, submit->qms);
+ }
+#if V3D_VERSION >= 41
+ if (submit->qts) {
+ V3D_WRITE(V3D_CLE_0_CT0QTS,
+ V3D_CLE_0_CT0QTS_CTQTSEN_SET |
+ submit->qts);
+ }
+#endif
+ V3D_WRITE(V3D_CLE_0_CT0QBA, submit->bcl_start);
+ V3D_WRITE(V3D_CLE_0_CT0QEA, submit->bcl_end);
+
+ /* Wait for bin to complete before firing render, as it seems the
+ * simulator doesn't implement the semaphores.
+ */
+ while (V3D_READ(V3D_CLE_0_CT0CA) !=
+ V3D_READ(V3D_CLE_0_CT0EA)) {
+ v3d_hw_tick(v3d);
+ }
+
+ V3D_WRITE(V3D_CLE_0_CT1QBA, submit->rcl_start);
+ V3D_WRITE(V3D_CLE_0_CT1QEA, submit->rcl_end);
+
+ while (V3D_READ(V3D_CLE_0_CT1CA) !=
+ V3D_READ(V3D_CLE_0_CT1EA) ||
+ V3D_READ(V3D_CLE_1_CT1CA) !=
+ V3D_READ(V3D_CLE_1_CT1EA)) {
+ v3d_hw_tick(v3d);
+ }
+}
+
+#endif /* USE_V3D_SIMULATOR */