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Diffstat (limited to 'v4l2-apps/util/v4l2-dbg.cpp')
-rw-r--r--v4l2-apps/util/v4l2-dbg.cpp301
1 files changed, 187 insertions, 114 deletions
diff --git a/v4l2-apps/util/v4l2-dbg.cpp b/v4l2-apps/util/v4l2-dbg.cpp
index e0d6153fe..f427d4442 100644
--- a/v4l2-apps/util/v4l2-dbg.cpp
+++ b/v4l2-apps/util/v4l2-dbg.cpp
@@ -45,6 +45,8 @@
#include "v4l2-dbg-bttv.h"
#include "v4l2-dbg-saa7134.h"
#include "v4l2-dbg-em28xx.h"
+#include "v4l2-dbg-ac97.h"
+#include "v4l2-dbg-tvp5150.h"
#define ARRAY_SIZE(arr) ((int)(sizeof(arr) / sizeof((arr)[0])))
@@ -58,6 +60,15 @@ 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,
@@ -79,18 +90,19 @@ static const struct board_list boards[] = {
sizeof(EM28XX_PREFIX) - 1,
em28xx_regs,
ARRAY_SIZE(em28xx_regs),
+ em28xx_alt_regs,
+ ARRAY_SIZE(em28xx_alt_regs),
+ },
+ { /* From tvp5150-dbg.h */
+ TVP5150_IDENT,
+ sizeof(TVP5150_PREFIX) - 1,
+ tvp5150_regs,
+ ARRAY_SIZE(tvp5150_regs),
NULL,
0,
},
};
-struct driverid {
- const char *name;
- unsigned id;
-};
-
-extern struct driverid driverids[];
-
struct chipid {
const char *name;
unsigned id;
@@ -119,7 +131,6 @@ enum Option {
OptLogStatus = 128,
OptVerbose,
- OptListDriverIDs,
OptListSymbols,
OptLast = 256
};
@@ -136,11 +147,10 @@ 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},
- {"list-driverids", no_argument, 0, OptListDriverIDs},
{"list-symbols", no_argument, 0, OptListSymbols},
{"wide", required_argument, 0, OptSetStride},
{0, 0, 0, 0}
@@ -156,8 +166,9 @@ static void usage(void)
" --verbose Turn on verbose ioctl error reporting\n"
" -c, --chip=<chip> The chip identifier to use with other commands\n"
" It can be one of:\n"
- " I2C driver ID (see --list-driverids)\n"
+ " I2C driver name\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"
@@ -168,25 +179,16 @@ static void usage(void)
" Set the register with the commandline arguments\n"
" The register will autoincrement [VIDIOC_DBG_S_REGISTER]\n"
" -S, --scan-chip-idents\n"
- " Scan the available host and i2c chips [VIDIOC_G_CHIP_IDENT]\n"
+ " Scan the available host and i2c chips [VIDIOC_DBG_G_CHIP_IDENT]\n"
" -i, --get-chip-ident\n"
- " Get the chip identifier [VIDIOC_G_CHIP_IDENT]\n"
+ " Get the chip identifier [VIDIOC_DBG_G_CHIP_IDENT]\n"
" -w, --wide=<reg length>\n"
" Sets step between two registers\n"
" --list-symbols List the symbolic register names you can use, if any\n"
- " --log-status Log the board status in the kernel log [VIDIOC_LOG_STATUS]\n"
- " --list-driverids List the known I2C driver IDs for use with the i2cdrv type\n");
+ " --log-status Log the board status in the kernel log [VIDIOC_LOG_STATUS]\n");
exit(0);
}
-static unsigned parse_chip(const std::string &s)
-{
- for (int i = 0; driverids[i].name; i++)
- if (!strcasecmp(s.c_str(), driverids[i].name))
- return driverids[i].id;
- return 0;
-}
-
static std::string cap2s(unsigned cap)
{
std::string s;
@@ -224,7 +226,7 @@ static std::string cap2s(unsigned cap)
return s;
}
-static void print_regs(int fd, struct v4l2_register *reg, unsigned long min, unsigned long max, int stride)
+static void print_regs(int fd, struct v4l2_dbg_register *reg, unsigned long min, unsigned long max, int stride)
{
unsigned long mask = stride > 1 ? 0x1f : 0x0f;
unsigned long i;
@@ -258,7 +260,7 @@ static void print_regs(int fd, struct v4l2_register *reg, unsigned long min, uns
printf("\n");
}
-static void print_chip(struct v4l2_chip_ident *chip)
+static void print_chip(struct v4l2_dbg_chip_ident *chip)
{
const char *name = NULL;
@@ -293,6 +295,21 @@ 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];
@@ -368,9 +385,9 @@ int main(int argc, char **argv)
int ch;
const char *device = "/dev/video0"; /* -d device */
struct v4l2_capability vcap; /* list_cap */
- struct v4l2_register set_reg;
- struct v4l2_register get_reg;
- struct v4l2_chip_ident chip_id;
+ struct v4l2_dbg_register set_reg;
+ struct v4l2_dbg_register get_reg;
+ struct v4l2_dbg_chip_ident chip_id;
const struct board_list *curr_bd = NULL;
char short_options[26 * 2 * 2 + 1];
int idx = 0;
@@ -378,9 +395,10 @@ int main(int argc, char **argv)
std::string reg_set_arg;
unsigned long long reg_min = 0, reg_max = 0;
std::vector<std::string> get_regs;
- int match_type = V4L2_CHIP_MATCH_HOST;
- int match_chip = 0;
+ struct v4l2_dbg_match match;
+ match.type = V4L2_CHIP_MATCH_HOST;
+ match.addr = 0;
memset(&set_reg, 0, sizeof(set_reg));
memset(&get_reg, 0, sizeof(get_reg));
memset(&chip_id, 0, sizeof(chip_id));
@@ -424,21 +442,23 @@ int main(int argc, char **argv)
case OptChip:
if (isdigit(optarg[0])) {
- match_type = V4L2_CHIP_MATCH_I2C_ADDR;
- match_chip = strtoul(optarg, NULL, 0);
+ match.type = V4L2_CHIP_MATCH_I2C_ADDR;
+ match.addr = strtoul(optarg, NULL, 0);
break;
}
if (!memcmp(optarg, "host", 4)) {
- match_type = V4L2_CHIP_MATCH_HOST;
- match_chip = strtoul(optarg + 4, NULL, 0);
+ match.type = V4L2_CHIP_MATCH_HOST;
+ match.addr = strtoul(optarg + 4, NULL, 0);
break;
}
- match_type = V4L2_CHIP_MATCH_I2C_DRIVER;
- match_chip = parse_chip(optarg);
- if (!match_chip) {
- fprintf(stderr, "unknown driver ID %s\n", optarg);
- exit(-1);
+ if (!strcasecmp(optarg, "ac97")) {
+ match.type = V4L2_CHIP_MATCH_AC97;
+ match.addr = 0;
+ break;
}
+ match.type = V4L2_CHIP_MATCH_I2C_DRIVER;
+ strncpy(match.name, optarg, sizeof(match.name));
+ match.name[sizeof(match.name) - 1] = '\0';
break;
case OptSetRegister:
@@ -457,6 +477,7 @@ int main(int argc, char **argv)
subs = optarg;
if (subs == NULL)
break;
+
while (*subs != '\0') {
static const char * const subopts[] = {
"min",
@@ -516,53 +537,75 @@ 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 if (match.type == V4L2_CHIP_MATCH_HOST) {
+ for (int board = ARRAY_SIZE(boards) - 1; board >= 0; board--) {
+ if (!strcasecmp((char *)vcap.driver, boards[board].name)) {
+ curr_bd = &boards[board];
+ break;
+ }
+ }
+ } else if (match.type == V4L2_CHIP_MATCH_I2C_DRIVER) {
+ for (int board = ARRAY_SIZE(boards) - 1; board >= 0; board--) {
+ if (!strcasecmp(match.name, boards[board].name)) {
+ curr_bd = &boards[board];
+ break;
+ }
}
}
/* Set options */
if (options[OptSetRegister]) {
- set_reg.match_type = match_type;
- set_reg.match_chip = match_chip;
+ set_reg.match = match;
if (optind >= argc)
usage();
set_reg.reg = parse_reg(curr_bd, reg_set_arg);
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++;
}
}
if (options[OptGetChipIdent]) {
- chip_id.match_type = match_type;
- chip_id.match_chip = match_chip;
- if (doioctl(fd, VIDIOC_G_CHIP_IDENT, &chip_id, "VIDIOC_G_CHIP_IDENT") == 0)
+ chip_id.match = match;
+ if (doioctl(fd, VIDIOC_DBG_G_CHIP_IDENT, &chip_id, "VIDIOC_DBG_G_CHIP_IDENT") == 0)
print_chip(&chip_id);
}
if (options[OptScanChipIdents]) {
int i;
- chip_id.match_type = V4L2_CHIP_MATCH_HOST;
- chip_id.match_chip = 0;
+ chip_id.match.type = V4L2_CHIP_MATCH_HOST;
+ chip_id.match.addr = 0;
- while (doioctl(fd, VIDIOC_G_CHIP_IDENT, &chip_id, "VIDIOC_G_CHIP_IDENT") == 0 && chip_id.ident) {
- printf("host%d: ", chip_id.match_chip);
+ while (doioctl(fd, VIDIOC_DBG_G_CHIP_IDENT, &chip_id, "VIDIOC_DBG_G_CHIP_IDENT") == 0 && chip_id.ident) {
+ printf("host%d: ", chip_id.match.addr);
print_chip(&chip_id);
- chip_id.match_chip++;
+ chip_id.match.addr++;
}
- chip_id.match_type = V4L2_CHIP_MATCH_I2C_ADDR;
+ chip_id.match.type = V4L2_CHIP_MATCH_I2C_ADDR;
for (i = 0; i < 128; i++) {
- chip_id.match_chip = i;
- if (doioctl(fd, VIDIOC_G_CHIP_IDENT, &chip_id, "VIDIOC_G_CHIP_IDENT") == 0 && chip_id.ident) {
+ chip_id.match.addr = i;
+ if (doioctl(fd, VIDIOC_DBG_G_CHIP_IDENT, &chip_id, "VIDIOC_DBG_G_CHIP_IDENT") == 0 && chip_id.ident) {
printf("i2c 0x%02x: ", i);
print_chip(&chip_id);
}
@@ -572,8 +615,7 @@ int main(int argc, char **argv)
if (options[OptGetRegister]) {
int stride = 1;
- get_reg.match_type = match_type;
- get_reg.match_chip = match_chip;
+ get_reg.match = match;
printf("ioctl: VIDIOC_DBG_G_REGISTER\n");
for (std::vector<std::string>::iterator iter = get_regs.begin();
@@ -582,25 +624,71 @@ 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));
+ }
}
}
if (options[OptListRegisters]) {
+ std::string name;
int stride = 1;
- get_reg.match_type = match_type;
- get_reg.match_chip = match_chip;
+ get_reg.match = match;
if (forcedstride) {
stride = forcedstride;
- } else {
- if (get_reg.match_type == V4L2_CHIP_MATCH_HOST)
- stride = 4;
+ } else if (get_reg.match.type == V4L2_CHIP_MATCH_HOST) {
+ stride = 4;
}
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())
@@ -611,57 +699,48 @@ 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:
- print_regs(fd, &get_reg, 0, 0xff, stride);
+
+ /* try to figure out which chip it is */
+ chip_id.match = match;
+ if (doioctl(fd, VIDIOC_DBG_G_CHIP_IDENT, &chip_id, "VIDIOC_DBG_G_CHIP_IDENT") != 0) {
+ chip_id.ident = V4L2_IDENT_NONE;
+ }
+ switch (chip_id.ident) {
+ case V4L2_IDENT_CX23415:
+ case V4L2_IDENT_CX23416:
+ name = "cx23416";
+ break;
+ case V4L2_IDENT_CX23418:
+ name = "cx23418";
+ break;
+ default:
+ if (get_reg.match.type == V4L2_CHIP_MATCH_I2C_DRIVER)
+ name = get_reg.match.name;
break;
- case I2C_DRIVERID_SAA717X:
+ }
+
+ if (name == "saa7115") {
+ print_regs(fd, &get_reg, 0, 0xff, stride);
+ } else if (name == "saa717x") {
// FIXME: use correct reg regions
print_regs(fd, &get_reg, 0, 0xff, stride);
- break;
- case I2C_DRIVERID_SAA7127:
+ } else if (name == "saa7127") {
print_regs(fd, &get_reg, 0, 0x7f, stride);
- break;
- case I2C_DRIVERID_CX25840:
+ } else if (name == "cx25840") {
print_regs(fd, &get_reg, 0, 2, stride);
print_regs(fd, &get_reg, 0x100, 0x15f, stride);
print_regs(fd, &get_reg, 0x200, 0x23f, stride);
print_regs(fd, &get_reg, 0x400, 0x4bf, stride);
print_regs(fd, &get_reg, 0x800, 0x9af, stride);
- break;
- case I2C_DRIVERID_CS5345:
+ } else if (name == "cs5345") {
print_regs(fd, &get_reg, 1, 0x10, stride);
- break;
- case 0:
- /* host chip, handle later */
- break;
- default:
- /* unknown i2c chip, dump 0-0xff by default */
- print_regs(fd, &get_reg, 0, 0xff, stride);
- break;
- }
- if (get_reg.match_chip != 0) {
- /* found i2c chip, we're done */
- goto list_done;
- }
- /* try to figure out which host chip it is */
- if (doioctl(fd, VIDIOC_G_CHIP_IDENT, &chip_id, "VIDIOC_G_CHIP_IDENT") != 0) {
- chip_id.ident = V4L2_IDENT_NONE;
- }
-
- switch (chip_id.ident) {
- case V4L2_IDENT_CX23415:
- case V4L2_IDENT_CX23416:
+ } else if (name == "cx23416") {
print_regs(fd, &get_reg, 0x02000000, 0x020000ff, stride);
- break;
- case V4L2_IDENT_CX23418:
+ } else if (name == "cx23418") {
print_regs(fd, &get_reg, 0x02c40000, 0x02c409c7, stride);
- break;
- default:
- /* By default print range 0-0xff */
+ } else {
+ /* unknown chip, dump 0-0xff by default */
print_regs(fd, &get_reg, 0, 0xff, stride);
- break;
}
}
list_done:
@@ -693,22 +772,16 @@ list_done:
}
}
- if (options[OptListDriverIDs]) {
- printf("Known I2C driver IDs:\n");
- for (int i = 0; driverids[i].name; i++)
- printf("%s\n", driverids[i].name);
- }
-
if (options[OptListSymbols]) {
if (curr_bd == NULL) {
printf("No symbols found for driver %s\n", vcap.driver);
}
else {
- printf("Symbols for driver %s:\n", vcap.driver);
+ printf("Symbols for driver %s:\n", curr_bd->name);
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 2025-01-22 00:19:18 +0000