linux/drivers/gpu/drm/pl111/pl111_debugfs.c

61 lines
1.3 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright © 2017 Broadcom
*/
#include <linux/amba/clcd-regs.h>
#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),
};
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},
};
int
pl111_debugfs_init(struct drm_minor *minor)
{
return drm_debugfs_create_files(pl111_debugfs_list,
ARRAY_SIZE(pl111_debugfs_list),
minor->debugfs_root, minor);
}