mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-24 10:28:57 +00:00
120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
/*
|
|
* cb710/debug.c
|
|
*
|
|
* Copyright by Michał Mirosław, 2008-2009
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
#include <linux/cb710.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/slab.h>
|
|
|
|
#define CB710_REG_COUNT 0x80
|
|
|
|
static const u16 allow[CB710_REG_COUNT/16] = {
|
|
0xFFF0, 0xFFFF, 0xFFFF, 0xFFFF,
|
|
0xFFF0, 0xFFFF, 0xFFFF, 0xFFFF,
|
|
};
|
|
static const char *const prefix[ARRAY_SIZE(allow)] = {
|
|
"MMC", "MMC", "MMC", "MMC",
|
|
"MS?", "MS?", "SM?", "SM?"
|
|
};
|
|
|
|
static inline int allow_reg_read(unsigned block, unsigned offset, unsigned bits)
|
|
{
|
|
unsigned mask = (1 << bits/8) - 1;
|
|
offset *= bits/8;
|
|
return ((allow[block] >> offset) & mask) == mask;
|
|
}
|
|
|
|
#define CB710_READ_REGS_TEMPLATE(t) \
|
|
static void cb710_read_regs_##t(void __iomem *iobase, \
|
|
u##t *reg, unsigned select) \
|
|
{ \
|
|
unsigned i, j; \
|
|
\
|
|
for (i = 0; i < ARRAY_SIZE(allow); ++i, reg += 16/(t/8)) { \
|
|
if (!(select & (1 << i))) \
|
|
continue; \
|
|
\
|
|
for (j = 0; j < 0x10/(t/8); ++j) { \
|
|
if (!allow_reg_read(i, j, t)) \
|
|
continue; \
|
|
reg[j] = ioread##t(iobase \
|
|
+ (i << 4) + (j * (t/8))); \
|
|
} \
|
|
} \
|
|
}
|
|
|
|
static const char cb710_regf_8[] = "%02X";
|
|
static const char cb710_regf_16[] = "%04X";
|
|
static const char cb710_regf_32[] = "%08X";
|
|
static const char cb710_xes[] = "xxxxxxxx";
|
|
|
|
#define CB710_DUMP_REGS_TEMPLATE(t) \
|
|
static void cb710_dump_regs_##t(struct device *dev, \
|
|
const u##t *reg, unsigned select) \
|
|
{ \
|
|
const char *const xp = &cb710_xes[8 - t/4]; \
|
|
const char *const format = cb710_regf_##t; \
|
|
\
|
|
char msg[100], *p; \
|
|
unsigned i, j; \
|
|
\
|
|
for (i = 0; i < ARRAY_SIZE(allow); ++i, reg += 16/(t/8)) { \
|
|
if (!(select & (1 << i))) \
|
|
continue; \
|
|
p = msg; \
|
|
for (j = 0; j < 0x10/(t/8); ++j) { \
|
|
*p++ = ' '; \
|
|
if (j == 8/(t/8)) \
|
|
*p++ = ' '; \
|
|
if (allow_reg_read(i, j, t)) \
|
|
p += sprintf(p, format, reg[j]); \
|
|
else \
|
|
p += sprintf(p, "%s", xp); \
|
|
} \
|
|
dev_dbg(dev, "%s 0x%02X %s\n", prefix[i], i << 4, msg); \
|
|
} \
|
|
}
|
|
|
|
#define CB710_READ_AND_DUMP_REGS_TEMPLATE(t) \
|
|
static void cb710_read_and_dump_regs_##t(struct cb710_chip *chip, \
|
|
unsigned select) \
|
|
{ \
|
|
u##t regs[CB710_REG_COUNT/sizeof(u##t)]; \
|
|
\
|
|
memset(®s, 0, sizeof(regs)); \
|
|
cb710_read_regs_##t(chip->iobase, regs, select); \
|
|
cb710_dump_regs_##t(cb710_chip_dev(chip), regs, select); \
|
|
}
|
|
|
|
#define CB710_REG_ACCESS_TEMPLATES(t) \
|
|
CB710_READ_REGS_TEMPLATE(t) \
|
|
CB710_DUMP_REGS_TEMPLATE(t) \
|
|
CB710_READ_AND_DUMP_REGS_TEMPLATE(t)
|
|
|
|
CB710_REG_ACCESS_TEMPLATES(8)
|
|
CB710_REG_ACCESS_TEMPLATES(16)
|
|
CB710_REG_ACCESS_TEMPLATES(32)
|
|
|
|
void cb710_dump_regs(struct cb710_chip *chip, unsigned select)
|
|
{
|
|
if (!(select & CB710_DUMP_REGS_MASK))
|
|
select = CB710_DUMP_REGS_ALL;
|
|
if (!(select & CB710_DUMP_ACCESS_MASK))
|
|
select |= CB710_DUMP_ACCESS_8;
|
|
|
|
if (select & CB710_DUMP_ACCESS_32)
|
|
cb710_read_and_dump_regs_32(chip, select);
|
|
if (select & CB710_DUMP_ACCESS_16)
|
|
cb710_read_and_dump_regs_16(chip, select);
|
|
if (select & CB710_DUMP_ACCESS_8)
|
|
cb710_read_and_dump_regs_8(chip, select);
|
|
}
|
|
EXPORT_SYMBOL_GPL(cb710_dump_regs);
|
|
|