1 /* 2 * Copyright © 2017 Broadcom 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 */ 8 9 #include <linux/amba/clcd-regs.h> 10 #include <linux/seq_file.h> 11 #include <drm/drm_debugfs.h> 12 #include <drm/drmP.h> 13 #include "pl111_drm.h" 14 15 #define REGDEF(reg) { reg, #reg } 16 static const struct { 17 u32 reg; 18 const char *name; 19 } pl111_reg_defs[] = { 20 REGDEF(CLCD_TIM0), 21 REGDEF(CLCD_TIM1), 22 REGDEF(CLCD_TIM2), 23 REGDEF(CLCD_TIM3), 24 REGDEF(CLCD_UBAS), 25 REGDEF(CLCD_LBAS), 26 REGDEF(CLCD_PL111_CNTL), 27 REGDEF(CLCD_PL111_IENB), 28 REGDEF(CLCD_PL111_RIS), 29 REGDEF(CLCD_PL111_MIS), 30 REGDEF(CLCD_PL111_ICR), 31 REGDEF(CLCD_PL111_UCUR), 32 REGDEF(CLCD_PL111_LCUR), 33 }; 34 35 int pl111_debugfs_regs(struct seq_file *m, void *unused) 36 { 37 struct drm_info_node *node = (struct drm_info_node *)m->private; 38 struct drm_device *dev = node->minor->dev; 39 struct pl111_drm_dev_private *priv = dev->dev_private; 40 int i; 41 42 for (i = 0; i < ARRAY_SIZE(pl111_reg_defs); i++) { 43 seq_printf(m, "%s (0x%04x): 0x%08x\n", 44 pl111_reg_defs[i].name, pl111_reg_defs[i].reg, 45 readl(priv->regs + pl111_reg_defs[i].reg)); 46 } 47 48 return 0; 49 } 50 51 static const struct drm_info_list pl111_debugfs_list[] = { 52 {"regs", pl111_debugfs_regs, 0}, 53 }; 54 55 int 56 pl111_debugfs_init(struct drm_minor *minor) 57 { 58 return drm_debugfs_create_files(pl111_debugfs_list, 59 ARRAY_SIZE(pl111_debugfs_list), 60 minor->debugfs_root, minor); 61 } 62