--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/* Copyright (C) 2014-2018 Broadcom */
+
+#include <linux/circ_buf.h>
+#include <linux/ctype.h>
+#include <linux/debugfs.h>
+#include <linux/pm_runtime.h>
+#include <linux/seq_file.h>
+#include <drm/drmP.h>
+
+#include "v3d_drv.h"
+#include "v3d_regs.h"
+
+#define REGDEF(reg) { reg, #reg }
+struct v3d_reg_def {
+ u32 reg;
+ const char *name;
+};
+
+static const struct v3d_reg_def v3d_hub_reg_defs[] = {
+ REGDEF(V3D_HUB_AXICFG),
+ REGDEF(V3D_HUB_UIFCFG),
+ REGDEF(V3D_HUB_IDENT0),
+ REGDEF(V3D_HUB_IDENT1),
+ REGDEF(V3D_HUB_IDENT2),
+ REGDEF(V3D_HUB_IDENT3),
+ REGDEF(V3D_HUB_INT_STS),
+ REGDEF(V3D_HUB_INT_MSK_STS),
+};
+
+static const struct v3d_reg_def v3d_gca_reg_defs[] = {
+ REGDEF(V3D_GCA_SAFE_SHUTDOWN),
+ REGDEF(V3D_GCA_SAFE_SHUTDOWN_ACK),
+};
+
+static const struct v3d_reg_def v3d_core_reg_defs[] = {
+ REGDEF(V3D_CTL_IDENT0),
+ REGDEF(V3D_CTL_IDENT1),
+ REGDEF(V3D_CTL_IDENT2),
+ REGDEF(V3D_CTL_MISCCFG),
+ REGDEF(V3D_CTL_INT_STS),
+ REGDEF(V3D_CTL_INT_MSK_STS),
+ REGDEF(V3D_CLE_CT0CS),
+ REGDEF(V3D_CLE_CT0CA),
+ REGDEF(V3D_CLE_CT0EA),
+ REGDEF(V3D_CLE_CT1CS),
+ REGDEF(V3D_CLE_CT1CA),
+ REGDEF(V3D_CLE_CT1EA),
+
+ REGDEF(V3D_PTB_BPCA),
+ REGDEF(V3D_PTB_BPCS),
+
+ REGDEF(V3D_MMU_CTL),
+ REGDEF(V3D_MMU_VIO_ADDR),
+
+ REGDEF(V3D_GMP_STATUS),
+ REGDEF(V3D_GMP_CFG),
+ REGDEF(V3D_GMP_VIO_ADDR),
+};
+
+static int v3d_v3d_debugfs_regs(struct seq_file *m, void *unused)
+{
+ struct drm_info_node *node = (struct drm_info_node *)m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct v3d_dev *v3d = to_v3d_dev(dev);
+ int i, core;
+
+ for (i = 0; i < ARRAY_SIZE(v3d_hub_reg_defs); i++) {
+ seq_printf(m, "%s (0x%04x): 0x%08x\n",
+ v3d_hub_reg_defs[i].name, v3d_hub_reg_defs[i].reg,
+ V3D_READ(v3d_hub_reg_defs[i].reg));
+ }
+
+ for (i = 0; i < ARRAY_SIZE(v3d_gca_reg_defs); i++) {
+ seq_printf(m, "%s (0x%04x): 0x%08x\n",
+ v3d_gca_reg_defs[i].name, v3d_gca_reg_defs[i].reg,
+ V3D_GCA_READ(v3d_gca_reg_defs[i].reg));
+ }
+
+ for (core = 0; core < v3d->cores; core++) {
+ for (i = 0; i < ARRAY_SIZE(v3d_core_reg_defs); i++) {
+ seq_printf(m, "core %d %s (0x%04x): 0x%08x\n",
+ core,
+ v3d_core_reg_defs[i].name,
+ v3d_core_reg_defs[i].reg,
+ V3D_CORE_READ(core,
+ v3d_core_reg_defs[i].reg));
+ }
+ }
+
+ return 0;
+}
+
+static int v3d_v3d_debugfs_ident(struct seq_file *m, void *unused)
+{
+ struct drm_info_node *node = (struct drm_info_node *)m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct v3d_dev *v3d = to_v3d_dev(dev);
+ u32 ident0, ident1, ident2, ident3, cores;
+ int ret, core;
+
+ ret = pm_runtime_get_sync(v3d->dev);
+ if (ret < 0)
+ return ret;
+
+ ident0 = V3D_READ(V3D_HUB_IDENT0);
+ ident1 = V3D_READ(V3D_HUB_IDENT1);
+ ident2 = V3D_READ(V3D_HUB_IDENT2);
+ ident3 = V3D_READ(V3D_HUB_IDENT3);
+ cores = V3D_GET_FIELD(ident1, V3D_HUB_IDENT1_NCORES);
+
+ seq_printf(m, "Revision: %d.%d.%d.%d\n",
+ V3D_GET_FIELD(ident1, V3D_HUB_IDENT1_TVER),
+ V3D_GET_FIELD(ident1, V3D_HUB_IDENT1_REV),
+ V3D_GET_FIELD(ident3, V3D_HUB_IDENT3_IPREV),
+ V3D_GET_FIELD(ident3, V3D_HUB_IDENT3_IPIDX));
+ seq_printf(m, "MMU: %s\n",
+ (ident2 & V3D_HUB_IDENT2_WITH_MMU) ? "yes" : "no");
+ seq_printf(m, "TFU: %s\n",
+ (ident1 & V3D_HUB_IDENT1_WITH_TFU) ? "yes" : "no");
+ seq_printf(m, "TSY: %s\n",
+ (ident1 & V3D_HUB_IDENT1_WITH_TSY) ? "yes" : "no");
+ seq_printf(m, "MSO: %s\n",
+ (ident1 & V3D_HUB_IDENT1_WITH_MSO) ? "yes" : "no");
+ seq_printf(m, "L3C: %s (%dkb)\n",
+ (ident1 & V3D_HUB_IDENT1_WITH_L3C) ? "yes" : "no",
+ V3D_GET_FIELD(ident2, V3D_HUB_IDENT2_L3C_NKB));
+
+ for (core = 0; core < cores; core++) {
+ u32 misccfg;
+ u32 nslc, ntmu, qups;
+
+ ident0 = V3D_CORE_READ(core, V3D_CTL_IDENT0);
+ ident1 = V3D_CORE_READ(core, V3D_CTL_IDENT1);
+ ident2 = V3D_CORE_READ(core, V3D_CTL_IDENT2);
+ misccfg = V3D_CORE_READ(core, V3D_CTL_MISCCFG);
+
+ nslc = V3D_GET_FIELD(ident1, V3D_IDENT1_NSLC);
+ ntmu = V3D_GET_FIELD(ident1, V3D_IDENT1_NTMU);
+ qups = V3D_GET_FIELD(ident1, V3D_IDENT1_QUPS);
+
+ seq_printf(m, "Core %d:\n", core);
+ seq_printf(m, " Revision: %d.%d\n",
+ V3D_GET_FIELD(ident0, V3D_IDENT0_VER),
+ V3D_GET_FIELD(ident1, V3D_IDENT1_REV));
+ seq_printf(m, " Slices: %d\n", nslc);
+ seq_printf(m, " TMUs: %d\n", nslc * ntmu);
+ seq_printf(m, " QPUs: %d\n", nslc * qups);
+ seq_printf(m, " Semaphores: %d\n",
+ V3D_GET_FIELD(ident1, V3D_IDENT1_NSEM));
+ seq_printf(m, " BCG int: %d\n",
+ (ident2 & V3D_IDENT2_BCG_INT) != 0);
+ seq_printf(m, " Override TMU: %d\n",
+ (misccfg & V3D_MISCCFG_OVRTMUOUT) != 0);
+ }
+
+ pm_runtime_mark_last_busy(v3d->dev);
+ pm_runtime_put_autosuspend(v3d->dev);
+
+ return 0;
+}
+
+static int v3d_debugfs_bo_stats(struct seq_file *m, void *unused)
+{
+ struct drm_info_node *node = (struct drm_info_node *)m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct v3d_dev *v3d = to_v3d_dev(dev);
+
+ mutex_lock(&v3d->bo_lock);
+ seq_printf(m, "allocated bos: %d\n",
+ v3d->bo_stats.num_allocated);
+ seq_printf(m, "allocated bo size (kb): %ld\n",
+ (long)v3d->bo_stats.pages_allocated << (PAGE_SHIFT - 10));
+ mutex_unlock(&v3d->bo_lock);
+
+ return 0;
+}
+
+static const struct drm_info_list v3d_debugfs_list[] = {
+ {"v3d_ident", v3d_v3d_debugfs_ident, 0},
+ {"v3d_regs", v3d_v3d_debugfs_regs, 0},
+ {"bo_stats", v3d_debugfs_bo_stats, 0},
+};
+
+int
+v3d_debugfs_init(struct drm_minor *minor)
+{
+ return drm_debugfs_create_files(v3d_debugfs_list,
+ ARRAY_SIZE(v3d_debugfs_list),
+ minor->debugfs_root, minor);
+}
projects / thirdparty / linux.git / blobdiff