v4l2: Add decoding for VIDIOC_G/S_TUNER's arg

* v4l2.c: Include "xlat/v4l2_tuner_types.h", "xlat/v4l2_tuner_capabilities.h",
"xlat/v4l2_tuner_rxsubchanses.h", and "xlat/v4l2_tuner_audmodes.h".
(print_v4l2_tuner): New function. Add decoding for VIDIOC_G/S_TUNER's arg.
(v4l2_ioctl): Add new cases for decoding VIDIOC_G/S_TUNER's arg.
* xlat/v4l2_tuner_types.in: Add V4L2_TUNER_RADIO and
V4L2_TUNER_ANALOG_TV introduced by linux kernel commit
2.5.46~39^2~23^2~4.
Add V4L2_TUNER_DIGITAL_TV introduced by linux kernel
commit v2.6.11-rc4~55^2~20.
Add V4L2_TUNER_ADC and V4L2_TUNER_RF introduced by linux kernel commit
v3.15-rc1~85^2~215.
Add V4L2_TUNER_SDR introduced by linux kernel commit v4.4-rc1~118^2~17
(as the replacement of V4L2_TUNER_ADC).
* xlat/v4l2_tuner_capabilities.in: Add V4L2_TUNER_CAP_LOW,
V4L2_TUNER_CAP_NORM, V4L2_TUNER_CAP_STEREO, V4L2_TUNER_CAP_LANG2,
V4L2_TUNER_CAP_SAP, and V4L2_TUNER_CAP_LANG1 introduced by linux kernel
commit 2.5.46~39^2~23^2~4.
Add V4L2_TUNER_CAP_HWSEEK_BOUNDED and V4L2_TUNER_CAP_HWSEEK_WRAP
introduced by linux kernel commit v3.6-rc1~28^2~306.
Add V4L2_TUNER_CAP_RDS introduced by linux commit v2.6.32-rc1~679^2~189.
Add V4L2_TUNER_CAP_RDS_BLOCK_IO and V4L2_TUNER_CAP_RDS_CONTROLS
introduced by linux kernel commit v2.6.37-rc1~64^2~110.
Add V4L2_TUNER_CAP_FREQ_BANDS introduced by linux kernel commit
v3.6-rc1~28^2~46.
Add V4L2_TUNER_CAP_HWSEEK_PROG_LIM introduced by linux kernel commit
v3.6-rc1~28^2~40.
Add V4L2_TUNER_CAP_1HZ introduced by linux kernel commit
v3.15-rc1~85^2~214.
* xlat/v4l2_tuner_audmodes.in: Add V4L2_TUNER_MODE_MONO,
V4L2_TUNER_MODE_STEREO, V4L2_TUNER_MODE_LANG2, V4L2_TUNER_MODE_SAP, and
V4L2_TUNER_MODE_LANG1 introduced by linux kernel commit
2.5.46~39^2~23^2~4.
Add V4L2_TUNER_MODE_LANG1_LANG2 introduced by linux kernel commit
v2.6.17-rc1~739^2~9.
* xlat/v4l2_tuner_rxsubchanses.in: Add V4L2_TUNER_SUB_MONO,
V4L2_TUNER_SUB_STEREO, V4L2_TUNER_SUB_LANG2, V4L2_TUNER_SUB_SAP, and
V4L2_TUNER_SUB_LANG1 introduced by linux kernel commit
2.5.46~39^2~23^2~4.
Add V4L2_TUNER_SUB_RDS introduced by linux kernel commit
v2.6.32-rc1~679^2~189.

Signed-off-by: Edgar Kaziahmedov <edos@linux.com>

diff --git a/v4l2.c b/v4l2.c
index ee833c1210560a747e7cf67ed75608db969516f4..c1badd79444f64b4bf5d50f082e32543268cad34 100644 (file)
--- a/v4l2.c
+++ b/v4l2.c
@@ -629,6 +629,54 @@ print_v4l2_control(struct tcb *const tcp, const kernel_ulong_t arg,
        return 1;
 }
 
+#include "xlat/v4l2_tuner_types.h"
+#include "xlat/v4l2_tuner_capabilities.h"
+#include "xlat/v4l2_tuner_rxsubchanses.h"
+#include "xlat/v4l2_tuner_audmodes.h"
+
+static int
+print_v4l2_tuner(struct tcb *const tcp, const kernel_ulong_t arg,
+                const bool is_get)
+{
+       struct v4l2_tuner c;
+       if (entering(tcp)) {
+               tprints(", ");
+               if (umove_or_printaddr(tcp, arg, &c))
+                       return RVAL_DECODED | 1;
+               tprintf("{index=%u", c.index);
+               if (is_get)
+                       return 0;
+               tprints(", ");
+       } else {
+               if (syserror(tcp) || umove(tcp, arg, &c) < 0) {
+                       tprints("}");
+                       return 1;
+               }
+               tprints(is_get ? ", " : " => ");
+       }
+
+       tprints("name=");
+       print_quoted_string((const char *) c.name, sizeof(c.name),
+                           QUOTE_0_TERMINATED);
+       tprints(", type=");
+       printxval(v4l2_tuner_types, c.type, "V4L2_TUNER_TYPE_???");
+       tprints(", capability=");
+       printxval(v4l2_tuner_capabilities, c.capability,
+                 "V4L2_TUNER_CAP_???");
+       tprintf(", rangelow=%u, rangehigh=%u, rxsubchans=",
+               c.rangelow, c.rangehigh);
+       printxval(v4l2_tuner_rxsubchanses, c.rxsubchans,
+                 "V4L2_TUNER_SUB_???");
+       tprints(", audmode=");
+       printxval(v4l2_tuner_audmodes, c.audmode,
+                 "V4L2_TUNER_MODE_???");
+       tprintf(", signal=%d, afc=%d", c.signal, c.afc);
+
+       if (exiting(tcp))
+               tprints("}");
+       return 1;
+}
+
 #include "xlat/v4l2_control_types.h"
 #include "xlat/v4l2_control_flags.h"
 
@@ -971,6 +1019,10 @@ MPERS_PRINTER_DECL(int, v4l2_ioctl, struct tcb *const tcp,
        case VIDIOC_S_CTRL: /* RW */
                return print_v4l2_control(tcp, arg, code == VIDIOC_G_CTRL);
 
+       case VIDIOC_G_TUNER: /* RW */
+       case VIDIOC_S_TUNER: /* RW */
+               return print_v4l2_tuner(tcp, arg, code == VIDIOC_G_TUNER);
+
        case VIDIOC_QUERYCTRL: /* RW */
                return print_v4l2_queryctrl(tcp, arg);
 

diff --git a/xlat/v4l2_tuner_audmodes.in b/xlat/v4l2_tuner_audmodes.in
new file mode 100644 (file)
index 0000000..82decab
--- /dev/null
+++ b/xlat/v4l2_tuner_audmodes.in
@@ -0,0 +1,6 @@
+V4L2_TUNER_MODE_MONO
+V4L2_TUNER_MODE_STEREO
+V4L2_TUNER_MODE_LANG2
+V4L2_TUNER_MODE_SAP
+V4L2_TUNER_MODE_LANG1
+V4L2_TUNER_MODE_LANG1_LANG2

diff --git a/xlat/v4l2_tuner_capabilities.in b/xlat/v4l2_tuner_capabilities.in
new file mode 100644 (file)
index 0000000..4aec41e
--- /dev/null
+++ b/xlat/v4l2_tuner_capabilities.in
@@ -0,0 +1,14 @@
+V4L2_TUNER_CAP_LOW
+V4L2_TUNER_CAP_NORM
+V4L2_TUNER_CAP_HWSEEK_BOUNDED
+V4L2_TUNER_CAP_HWSEEK_WRAP
+V4L2_TUNER_CAP_STEREO
+V4L2_TUNER_CAP_LANG2
+V4L2_TUNER_CAP_SAP
+V4L2_TUNER_CAP_LANG1
+V4L2_TUNER_CAP_RDS
+V4L2_TUNER_CAP_RDS_BLOCK_IO
+V4L2_TUNER_CAP_RDS_CONTROLS
+V4L2_TUNER_CAP_FREQ_BANDS
+V4L2_TUNER_CAP_HWSEEK_PROG_LIM
+V4L2_TUNER_CAP_1HZ

diff --git a/xlat/v4l2_tuner_rxsubchanses.in b/xlat/v4l2_tuner_rxsubchanses.in
new file mode 100644 (file)
index 0000000..c6d59e9
--- /dev/null
+++ b/xlat/v4l2_tuner_rxsubchanses.in
@@ -0,0 +1,6 @@
+V4L2_TUNER_SUB_MONO
+V4L2_TUNER_SUB_STEREO
+V4L2_TUNER_SUB_LANG2
+V4L2_TUNER_SUB_SAP
+V4L2_TUNER_SUB_LANG1
+V4L2_TUNER_SUB_RDS

diff --git a/xlat/v4l2_tuner_types.in b/xlat/v4l2_tuner_types.in
new file mode 100644 (file)
index 0000000..59a9f3a
--- /dev/null
+++ b/xlat/v4l2_tuner_types.in
@@ -0,0 +1,6 @@
+V4L2_TUNER_RADIO
+V4L2_TUNER_ANALOG_TV
+V4L2_TUNER_DIGITAL_TV
+V4L2_TUNER_ADC
+V4L2_TUNER_SDR
+V4L2_TUNER_RF