bcaf9ff425
This adds all the main control registers to the debugfs register file. This was helpful for my debugging so it will likely help others as well. Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20170908124709.4758-2-linus.walleij@linaro.org
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/*
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* Copyright © 2017 Broadcom
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/amba/clcd-regs.h>
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#include <linux/seq_file.h>
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#include <drm/drm_debugfs.h>
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#include <drm/drmP.h>
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#include "pl111_drm.h"
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#define REGDEF(reg) { reg, #reg }
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static const struct {
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u32 reg;
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const char *name;
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} pl111_reg_defs[] = {
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REGDEF(CLCD_TIM0),
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REGDEF(CLCD_TIM1),
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REGDEF(CLCD_TIM2),
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REGDEF(CLCD_TIM3),
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REGDEF(CLCD_UBAS),
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REGDEF(CLCD_LBAS),
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REGDEF(CLCD_PL111_CNTL),
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REGDEF(CLCD_PL111_IENB),
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REGDEF(CLCD_PL111_RIS),
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REGDEF(CLCD_PL111_MIS),
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REGDEF(CLCD_PL111_ICR),
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REGDEF(CLCD_PL111_UCUR),
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REGDEF(CLCD_PL111_LCUR),
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};
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int pl111_debugfs_regs(struct seq_file *m, void *unused)
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{
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struct drm_info_node *node = (struct drm_info_node *)m->private;
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struct drm_device *dev = node->minor->dev;
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struct pl111_drm_dev_private *priv = dev->dev_private;
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int i;
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for (i = 0; i < ARRAY_SIZE(pl111_reg_defs); i++) {
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seq_printf(m, "%s (0x%04x): 0x%08x\n",
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pl111_reg_defs[i].name, pl111_reg_defs[i].reg,
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readl(priv->regs + pl111_reg_defs[i].reg));
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}
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return 0;
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}
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static const struct drm_info_list pl111_debugfs_list[] = {
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{"regs", pl111_debugfs_regs, 0},
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};
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int
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pl111_debugfs_init(struct drm_minor *minor)
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{
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return drm_debugfs_create_files(pl111_debugfs_list,
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ARRAY_SIZE(pl111_debugfs_list),
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minor->debugfs_root, minor);
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}
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