1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright © 2017 Broadcom 4 */ 5 6 #include <linux/seq_file.h> 7 8 #include <drm/drm_debugfs.h> 9 #include <drm/drm_file.h> 10 11 #include "pl111_drm.h" 12 13 #define REGDEF(reg) { reg, #reg } 14 static const struct { 15 u32 reg; 16 const char *name; 17 } pl111_reg_defs[] = { 18 REGDEF(CLCD_TIM0), 19 REGDEF(CLCD_TIM1), 20 REGDEF(CLCD_TIM2), 21 REGDEF(CLCD_TIM3), 22 REGDEF(CLCD_UBAS), 23 REGDEF(CLCD_LBAS), 24 REGDEF(CLCD_PL111_CNTL), 25 REGDEF(CLCD_PL111_IENB), 26 REGDEF(CLCD_PL111_RIS), 27 REGDEF(CLCD_PL111_MIS), 28 REGDEF(CLCD_PL111_ICR), 29 REGDEF(CLCD_PL111_UCUR), 30 REGDEF(CLCD_PL111_LCUR), 31 }; 32 33 static int pl111_debugfs_regs(struct seq_file *m, void *unused) 34 { 35 struct drm_info_node *node = (struct drm_info_node *)m->private; 36 struct drm_device *dev = node->minor->dev; 37 struct pl111_drm_dev_private *priv = dev->dev_private; 38 int i; 39 40 for (i = 0; i < ARRAY_SIZE(pl111_reg_defs); i++) { 41 seq_printf(m, "%s (0x%04x): 0x%08x\n", 42 pl111_reg_defs[i].name, pl111_reg_defs[i].reg, 43 readl(priv->regs + pl111_reg_defs[i].reg)); 44 } 45 46 return 0; 47 } 48 49 static const struct drm_info_list pl111_debugfs_list[] = { 50 {"regs", pl111_debugfs_regs, 0}, 51 }; 52 53 void 54 pl111_debugfs_init(struct drm_minor *minor) 55 { 56 drm_debugfs_create_files(pl111_debugfs_list, 57 ARRAY_SIZE(pl111_debugfs_list), 58 minor->debugfs_root, minor); 59 } 60