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path: root/v4l2-apps/util/v4l2-dbg.cpp
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Diffstat (limited to 'v4l2-apps/util/v4l2-dbg.cpp')
-rw-r--r--v4l2-apps/util/v4l2-dbg.cpp122
1 files changed, 109 insertions, 13 deletions
diff --git a/v4l2-apps/util/v4l2-dbg.cpp b/v4l2-apps/util/v4l2-dbg.cpp
index e0d6153fe..c7ef1206b 100644
--- a/v4l2-apps/util/v4l2-dbg.cpp
+++ b/v4l2-apps/util/v4l2-dbg.cpp
@@ -45,6 +45,7 @@
#include "v4l2-dbg-bttv.h"
#include "v4l2-dbg-saa7134.h"
#include "v4l2-dbg-em28xx.h"
+#include "v4l2-dbg-ac97.h"
#define ARRAY_SIZE(arr) ((int)(sizeof(arr) / sizeof((arr)[0])))
@@ -58,6 +59,15 @@ struct board_list {
};
static const struct board_list boards[] = {
+#define AC97_BOARD 0
+ { /* From ac97-dbg.h */
+ AC97_IDENT,
+ sizeof(AC97_PREFIX) - 1,
+ ac97_regs,
+ ARRAY_SIZE(ac97_regs),
+ NULL,
+ 0,
+ },
{ /* From bttv-dbg.h */
BTTV_IDENT,
sizeof(BTTV_PREFIX) - 1,
@@ -79,8 +89,8 @@ static const struct board_list boards[] = {
sizeof(EM28XX_PREFIX) - 1,
em28xx_regs,
ARRAY_SIZE(em28xx_regs),
- NULL,
- 0,
+ em28xx_alt_regs,
+ ARRAY_SIZE(em28xx_alt_regs),
},
};
@@ -136,7 +146,7 @@ static struct option long_options[] = {
{"set-register", required_argument, 0, OptSetRegister},
{"chip", required_argument, 0, OptChip},
{"scan-chip-idents", no_argument, 0, OptScanChipIdents},
- {"get-chip-ident", required_argument, 0, OptGetChipIdent},
+ {"get-chip-ident", no_argument, 0, OptGetChipIdent},
{"info", no_argument, 0, OptGetDriverInfo},
{"verbose", no_argument, 0, OptVerbose},
{"log-status", no_argument, 0, OptLogStatus},
@@ -158,6 +168,7 @@ static void usage(void)
" It can be one of:\n"
" I2C driver ID (see --list-driverids)\n"
" I2C 7-bit address\n"
+ " AC97: for ac97 anciliary mixer\n"
" host<num>: host chip number <num>\n"
" host (default): same as host0\n"
" -l, --list-registers[=min=<addr>[,max=<addr>]]\n"
@@ -293,6 +304,21 @@ static unsigned long long parse_reg(const struct board_list *curr_bd, const std:
return strtoull(reg.c_str(), NULL, 0);
}
+static const char *reg_name(const struct board_list *curr_bd, unsigned long long reg)
+{
+ if (curr_bd) {
+ for (int i = 0; i < curr_bd->regs_size; i++) {
+ if (reg == curr_bd->regs[i].reg)
+ return curr_bd->regs[i].name;
+ }
+ for (int i = 0; i < curr_bd->alt_regs_size; i++) {
+ if (reg == curr_bd->regs[i].reg)
+ return curr_bd->regs[i].name;
+ }
+ }
+ return NULL;
+}
+
static const char *binary(unsigned long long val)
{
static char bin[80];
@@ -433,6 +459,10 @@ int main(int argc, char **argv)
match_chip = strtoul(optarg + 4, NULL, 0);
break;
}
+ if (!strcasecmp(optarg, "ac97")) {
+ match_type = V4L2_CHIP_MATCH_AC97;
+ break;
+ }
match_type = V4L2_CHIP_MATCH_I2C_DRIVER;
match_chip = parse_chip(optarg);
if (!match_chip) {
@@ -457,6 +487,7 @@ int main(int argc, char **argv)
subs = optarg;
if (subs == NULL)
break;
+
while (*subs != '\0') {
static const char * const subopts[] = {
"min",
@@ -516,10 +547,14 @@ int main(int argc, char **argv)
printf("%s", cap2s(vcap.capabilities).c_str());
}
- for (int board = ARRAY_SIZE(boards) - 1; board >= 0; board--) {
- if (!strcasecmp((char *)vcap.driver, boards[board].name)) {
- curr_bd = &boards[board];
- break;
+ if (match_type == V4L2_CHIP_MATCH_AC97) {
+ curr_bd = &boards[AC97_BOARD];
+ } else {
+ for (int board = ARRAY_SIZE(boards) - 1; board >= 0; board--) {
+ if (!strcasecmp((char *)vcap.driver, boards[board].name)) {
+ curr_bd = &boards[board];
+ break;
+ }
}
}
@@ -534,8 +569,21 @@ int main(int argc, char **argv)
while (optind < argc) {
set_reg.val = strtoull(argv[optind++], NULL, 0);
if (doioctl(fd, VIDIOC_DBG_S_REGISTER, &set_reg,
- "VIDIOC_DBG_S_REGISTER") == 0)
- printf("register 0x%llx set to 0x%llx\n", set_reg.reg, set_reg.val);
+ "VIDIOC_DBG_S_REGISTER") >= 0) {
+ const char *name = reg_name(curr_bd, set_reg.reg);
+
+ printf("Register ");
+
+ if (name)
+ printf("%s (0x%08llx)", name, set_reg.reg);
+ else
+ printf("0x%08llx", set_reg.reg);
+
+ printf(" set to 0x%llx\n", set_reg.val);
+ } else {
+ printf("Failed to set register 0x%08llx value 0x%llx\n",
+ set_reg.reg, set_reg.val);
+ }
set_reg.reg++;
}
}
@@ -582,9 +630,19 @@ int main(int argc, char **argv)
if (ioctl(fd, VIDIOC_DBG_G_REGISTER, &get_reg) < 0)
fprintf(stderr, "ioctl: VIDIOC_DBG_G_REGISTER "
"failed for 0x%llx\n", get_reg.reg);
- else
- printf("%llx = %llxh = %lldd = %sb\n", get_reg.reg,
+ else {
+ const char *name = reg_name(curr_bd, get_reg.reg);
+
+ printf("Register ");
+
+ if (name)
+ printf("%s (0x%08llx)", name, get_reg.reg);
+ else
+ printf("0x%08llx", get_reg.reg);
+
+ printf(" = %llxh (%lldd %sb)\n",
get_reg.val, get_reg.val, binary(get_reg.val));
+ }
}
}
@@ -601,6 +659,43 @@ int main(int argc, char **argv)
}
printf("ioctl: VIDIOC_DBG_G_REGISTER\n");
+ if (curr_bd) {
+ if (reg_min_arg.empty())
+ reg_min = 0;
+ else
+ reg_min = parse_reg(curr_bd, reg_min_arg);
+
+
+ if (reg_max_arg.empty())
+ reg_max = 1<<31 - 1;
+ else
+ reg_max = parse_reg(curr_bd, reg_max_arg);
+
+ for (int i = 0; i < curr_bd->regs_size; i++) {
+ if (reg_min_arg.empty() || ((curr_bd->regs[i].reg >= reg_min) && curr_bd->regs[i].reg <= reg_max)) {
+ get_reg.reg = curr_bd->regs[i].reg;
+
+ if (ioctl(fd, VIDIOC_DBG_G_REGISTER, &get_reg) < 0)
+ fprintf(stderr, "ioctl: VIDIOC_DBG_G_REGISTER "
+ "failed for 0x%llx\n", get_reg.reg);
+ else {
+ const char *name = reg_name(curr_bd, get_reg.reg);
+
+ printf("Register ");
+
+ if (name)
+ printf("%s (0x%08llx)", name, get_reg.reg);
+ else
+ printf("0x%08llx", get_reg.reg);
+
+ printf(" = %llxh (%lldd %sb)\n",
+ get_reg.val, get_reg.val, binary(get_reg.val));
+ }
+ }
+ }
+ goto list_done;
+ }
+
if (!reg_min_arg.empty()) {
reg_min = parse_reg(curr_bd, reg_min_arg);
if (reg_max_arg.empty())
@@ -611,6 +706,7 @@ int main(int argc, char **argv)
print_regs(fd, &get_reg, reg_min, reg_max, stride);
goto list_done;
}
+
/* try to match the i2c chip */
switch (get_reg.match_chip) {
case I2C_DRIVERID_SAA711X:
@@ -706,9 +802,9 @@ list_done:
else {
printf("Symbols for driver %s:\n", vcap.driver);
for (int i = 0; i < curr_bd->regs_size; i++)
- printf("0x%08x: %s\n", curr_bd->regs[i], curr_bd->regs[i].name);
+ printf("0x%08x: %s\n", curr_bd->regs[i].reg, curr_bd->regs[i].name);
for (int i = 0; i < curr_bd->alt_regs_size; i++)
- printf("0x%08x: %s\n", curr_bd->alt_regs[i], curr_bd->alt_regs[i].name);
+ printf("0x%08x: %s\n", curr_bd->alt_regs[i].reg, curr_bd->alt_regs[i].name);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-28 23:44:56 +0000