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1// SPDX-License-Identifier: GPL-2.0+2/*3 * Copyright (C) 2023 Loongson Technology Corporation Limited4 */5 6#include <drm/drm_debugfs.h>7 8#include "lsdc_benchmark.h"9#include "lsdc_drv.h"10#include "lsdc_gem.h"11#include "lsdc_probe.h"12#include "lsdc_ttm.h"13 14/* device level debugfs */15 16static int lsdc_identify(struct seq_file *m, void *arg)17{18 struct drm_info_node *node = (struct drm_info_node *)m->private;19 struct lsdc_device *ldev = (struct lsdc_device *)node->info_ent->data;20 const struct loongson_gfx_desc *gfx = to_loongson_gfx(ldev->descp);21 u8 impl, rev;22 23 loongson_cpu_get_prid(&impl, &rev);24 25 seq_printf(m, "Running on cpu 0x%x, cpu revision: 0x%x\n",26 impl, rev);27 28 seq_printf(m, "Contained in: %s\n", gfx->model);29 30 return 0;31}32 33static int lsdc_show_mm(struct seq_file *m, void *arg)34{35 struct drm_info_node *node = (struct drm_info_node *)m->private;36 struct drm_device *ddev = node->minor->dev;37 struct drm_printer p = drm_seq_file_printer(m);38 39 drm_mm_print(&ddev->vma_offset_manager->vm_addr_space_mm, &p);40 41 return 0;42}43 44static int lsdc_show_gfxpll_clock(struct seq_file *m, void *arg)45{46 struct drm_info_node *node = (struct drm_info_node *)m->private;47 struct lsdc_device *ldev = (struct lsdc_device *)node->info_ent->data;48 struct drm_printer printer = drm_seq_file_printer(m);49 struct loongson_gfxpll *gfxpll = ldev->gfxpll;50 51 gfxpll->funcs->print(gfxpll, &printer, true);52 53 return 0;54}55 56static int lsdc_show_benchmark(struct seq_file *m, void *arg)57{58 struct drm_info_node *node = (struct drm_info_node *)m->private;59 struct lsdc_device *ldev = (struct lsdc_device *)node->info_ent->data;60 struct drm_printer printer = drm_seq_file_printer(m);61 62 lsdc_show_benchmark_copy(ldev, &printer);63 64 return 0;65}66 67static int lsdc_pdev_enable_io_mem(struct seq_file *m, void *arg)68{69 struct drm_info_node *node = (struct drm_info_node *)m->private;70 struct lsdc_device *ldev = (struct lsdc_device *)node->info_ent->data;71 u16 cmd;72 73 pci_read_config_word(ldev->dc, PCI_COMMAND, &cmd);74 75 seq_printf(m, "PCI_COMMAND: 0x%x\n", cmd);76 77 cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_IO;78 79 pci_write_config_word(ldev->dc, PCI_COMMAND, cmd);80 81 pci_read_config_word(ldev->dc, PCI_COMMAND, &cmd);82 83 seq_printf(m, "PCI_COMMAND: 0x%x\n", cmd);84 85 return 0;86}87 88static struct drm_info_list lsdc_debugfs_list[] = {89 { "benchmark", lsdc_show_benchmark, 0, NULL },90 { "bos", lsdc_show_buffer_object, 0, NULL },91 { "chips", lsdc_identify, 0, NULL },92 { "clocks", lsdc_show_gfxpll_clock, 0, NULL },93 { "dc_enable", lsdc_pdev_enable_io_mem, 0, NULL },94 { "mm", lsdc_show_mm, 0, NULL },95};96 97void lsdc_debugfs_init(struct drm_minor *minor)98{99 struct drm_device *ddev = minor->dev;100 struct lsdc_device *ldev = to_lsdc(ddev);101 unsigned int n = ARRAY_SIZE(lsdc_debugfs_list);102 unsigned int i;103 104 for (i = 0; i < n; ++i)105 lsdc_debugfs_list[i].data = ldev;106 107 drm_debugfs_create_files(lsdc_debugfs_list, n, minor->debugfs_root, minor);108 109 lsdc_ttm_debugfs_init(ldev);110}111