diff options
Diffstat (limited to 'v4l2-apps/util/v4l2-dbg.cpp')
| -rw-r--r-- | v4l2-apps/util/v4l2-dbg.cpp | 80 |
1 files changed, 55 insertions, 25 deletions
diff --git a/v4l2-apps/util/v4l2-dbg.cpp b/v4l2-apps/util/v4l2-dbg.cpp index 9d2bce58b..ce6a9ac78 100644 --- a/v4l2-apps/util/v4l2-dbg.cpp +++ b/v4l2-apps/util/v4l2-dbg.cpp @@ -35,6 +35,7 @@ #include <linux/videodev2.h> #include <linux/i2c-id.h> +#include <media/v4l2-chip-ident.h> #include <list> #include <vector> @@ -472,34 +473,63 @@ int main(int argc, char **argv) if (get_reg.match_type == V4L2_CHIP_MATCH_HOST) stride = 4; printf("ioctl: VIDIOC_DBG_G_REGISTER\n"); - if (reg_max == 0) { - switch (get_reg.match_chip) { - case I2C_DRIVERID_SAA711X: - print_regs(fd, &get_reg, 0, 0xff, stride); - break; - case I2C_DRIVERID_SAA717X: - // FIXME: use correct reg regions - print_regs(fd, &get_reg, 0, 0xff, stride); - break; - case I2C_DRIVERID_SAA7127: - print_regs(fd, &get_reg, 0, 0x7f, stride); - break; - case I2C_DRIVERID_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 0: - print_regs(fd, &get_reg, 0x02000000, 0x020000ff, stride); - break; - } - } - else { + + if (reg_max != 0) { + /* Explicit memory range: just do it */ 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); + break; + case I2C_DRIVERID_SAA717X: + // FIXME: use correct reg regions + print_regs(fd, &get_reg, 0, 0xff, stride); + break; + case I2C_DRIVERID_SAA7127: + print_regs(fd, &get_reg, 0, 0x7f, stride); + break; + case I2C_DRIVERID_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: + 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: + print_regs(fd, &get_reg, 0x02000000, 0x020000ff, stride); + break; + default: + /* By default print range 0-0xff */ + print_regs(fd, &get_reg, 0, 0xff, stride); + break; } } +list_done: if (options[OptLogStatus]) { static char buf[40960]; |