// SPDX-License-Identifier: GPL-2.0-only
/*
 *  Copyright © 2017 Broadcom
 */

#include <linux/seq_file.h>

#include <drm/drm_debugfs.h>
#include <drm/drm_file.h>

#include "pl111_drm.h"

#define REGDEF(reg) { reg, #reg }
static const struct {
        u32 reg;
        const char *name;
} pl111_reg_defs[] = {
        REGDEF(CLCD_TIM0),
        REGDEF(CLCD_TIM1),
        REGDEF(CLCD_TIM2),
        REGDEF(CLCD_TIM3),
        REGDEF(CLCD_UBAS),
        REGDEF(CLCD_LBAS),
        REGDEF(CLCD_PL111_CNTL),
        REGDEF(CLCD_PL111_IENB),
        REGDEF(CLCD_PL111_RIS),
        REGDEF(CLCD_PL111_MIS),
        REGDEF(CLCD_PL111_ICR),
        REGDEF(CLCD_PL111_UCUR),
        REGDEF(CLCD_PL111_LCUR),
};

static int pl111_debugfs_regs(struct seq_file *m, void *unused)
{
        struct drm_info_node *node = (struct drm_info_node *)m->private;
        struct drm_device *dev = node->minor->dev;
        struct pl111_drm_dev_private *priv = dev->dev_private;
        int i;

        for (i = 0; i < ARRAY_SIZE(pl111_reg_defs); i++) {
                seq_printf(m, "%s (0x%04x): 0x%08x\n",
                           pl111_reg_defs[i].name, pl111_reg_defs[i].reg,
                           readl(priv->regs + pl111_reg_defs[i].reg));
        }

        return 0;
}

static const struct drm_info_list pl111_debugfs_list[] = {
        {"regs", pl111_debugfs_regs, 0},
};

void
pl111_debugfs_init(struct drm_minor *minor)
{
        drm_debugfs_create_files(pl111_debugfs_list,
                                 ARRAY_SIZE(pl111_debugfs_list),
                                 minor->debugfs_root, minor);
}