1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright © 2017 Broadcom 4 */ 5 6 #include <linux/amba/clcd-regs.h> 7 #include <linux/seq_file.h> 8 9 #include <drm/drm_debugfs.h> 10 #include <drm/drm_file.h> 11 12 #include "pl111_drm.h" 13 14 #define REGDEF(reg) { reg, #reg } 15 static const struct { 16 u32 reg; 17 const char *name; 18 } pl111_reg_defs[] = { 19 REGDEF(CLCD_TIM0), 20 REGDEF(CLCD_TIM1), 21 REGDEF(CLCD_TIM2), 22 REGDEF(CLCD_TIM3), 23 REGDEF(CLCD_UBAS), 24 REGDEF(CLCD_LBAS), 25 REGDEF(CLCD_PL111_CNTL), 26 REGDEF(CLCD_PL111_IENB), 27 REGDEF(CLCD_PL111_RIS), 28 REGDEF(CLCD_PL111_MIS), 29 REGDEF(CLCD_PL111_ICR), 30 REGDEF(CLCD_PL111_UCUR), 31 REGDEF(CLCD_PL111_LCUR), 32 }; 33 34 int pl111_debugfs_regs(struct seq_file *m, void *unused) 35 { 36 struct drm_info_node *node = (struct drm_info_node *)m->private; 37 struct drm_device *dev = node->minor->dev; 38 struct pl111_drm_dev_private *priv = dev->dev_private; 39 int i; 40 41 for (i = 0; i < ARRAY_SIZE(pl111_reg_defs); i++) { 42 seq_printf(m, "%s (0x%04x): 0x%08x\n", 43 pl111_reg_defs[i].name, pl111_reg_defs[i].reg, 44 readl(priv->regs + pl111_reg_defs[i].reg)); 45 } 46 47 return 0; 48 } 49 50 static const struct drm_info_list pl111_debugfs_list[] = { 51 {"regs", pl111_debugfs_regs, 0}, 52 }; 53 54 int 55 pl111_debugfs_init(struct drm_minor *minor) 56 { 57 return drm_debugfs_create_files(pl111_debugfs_list, 58 ARRAY_SIZE(pl111_debugfs_list), 59 minor->debugfs_root, minor); 60 } 61