From 4b1e2e4ddfa2847559e8e63bb4ac4b2310465561 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 22 Jun 2012 06:17:48 -0300 Subject: [PATCH] [media] v4l2-ioctl.c: use the new table for std/tuner/modulator ioctls Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-ioctl.c | 430 ++++++++++++++++--------------- 1 file changed, 220 insertions(+), 210 deletions(-) diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c index 78ff09f559be..4d2d0d6590fb 100644 --- a/drivers/media/video/v4l2-ioctl.c +++ b/drivers/media/video/v4l2-ioctl.c @@ -364,6 +364,68 @@ static void v4l_print_buftype(const void *arg, bool write_only) pr_cont("type=%s\n", prt_names(*(u32 *)arg, v4l2_type_names)); } +static void v4l_print_modulator(const void *arg, bool write_only) +{ + const struct v4l2_modulator *p = arg; + + if (write_only) + pr_cont("index=%u, txsubchans=0x%x", p->index, p->txsubchans); + else + pr_cont("index=%u, name=%s, capability=0x%x, " + "rangelow=%u, rangehigh=%u, txsubchans=0x%x\n", + p->index, p->name, p->capability, + p->rangelow, p->rangehigh, p->txsubchans); +} + +static void v4l_print_tuner(const void *arg, bool write_only) +{ + const struct v4l2_tuner *p = arg; + + if (write_only) + pr_cont("index=%u, audmode=%u\n", p->index, p->audmode); + else + pr_cont("index=%u, name=%s, type=%u, capability=0x%x, " + "rangelow=%u, rangehigh=%u, signal=%u, afc=%d, " + "rxsubchans=0x%x, audmode=%u\n", + p->index, p->name, p->type, + p->capability, p->rangelow, + p->rangehigh, p->signal, p->afc, + p->rxsubchans, p->audmode); +} + +static void v4l_print_frequency(const void *arg, bool write_only) +{ + const struct v4l2_frequency *p = arg; + + pr_cont("tuner=%u, type=%u, frequency=%u\n", + p->tuner, p->type, p->frequency); +} + +static void v4l_print_standard(const void *arg, bool write_only) +{ + const struct v4l2_standard *p = arg; + + pr_cont("index=%u, id=0x%Lx, name=%s, fps=%u/%u, " + "framelines=%u\n", p->index, + (unsigned long long)p->id, p->name, + p->frameperiod.numerator, + p->frameperiod.denominator, + p->framelines); +} + +static void v4l_print_std(const void *arg, bool write_only) +{ + pr_cont("std=0x%08Lx\n", *(const long long unsigned *)arg); +} + +static void v4l_print_hw_freq_seek(const void *arg, bool write_only) +{ + const struct v4l2_hw_freq_seek *p = arg; + + pr_cont("tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u\n", + p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing); +} + static void v4l_print_u32(const void *arg, bool write_only) { pr_cont("value=%u\n", *(const u32 *)arg); @@ -861,6 +923,153 @@ static int v4l_streamoff(const struct v4l2_ioctl_ops *ops, return ops->vidioc_streamoff(file, fh, *(unsigned int *)arg); } +static int v4l_g_tuner(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_tuner *p = arg; + + p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + return ops->vidioc_g_tuner(file, fh, p); +} + +static int v4l_s_tuner(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_tuner *p = arg; + + p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + return ops->vidioc_s_tuner(file, fh, p); +} + +static int v4l_g_frequency(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_frequency *p = arg; + + p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + return ops->vidioc_g_frequency(file, fh, p); +} + +static int v4l_s_frequency(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_frequency *p = arg; + enum v4l2_tuner_type type; + + type = (vfd->vfl_type == VFL_TYPE_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + if (p->type != type) + return -EINVAL; + return ops->vidioc_s_frequency(file, fh, p); +} + +static int v4l_enumstd(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_standard *p = arg; + v4l2_std_id id = vfd->tvnorms, curr_id = 0; + unsigned int index = p->index, i, j = 0; + const char *descr = ""; + + /* Return norm array in a canonical way */ + for (i = 0; i <= index && id; i++) { + /* last std value in the standards array is 0, so this + while always ends there since (id & 0) == 0. */ + while ((id & standards[j].std) != standards[j].std) + j++; + curr_id = standards[j].std; + descr = standards[j].descr; + j++; + if (curr_id == 0) + break; + if (curr_id != V4L2_STD_PAL && + curr_id != V4L2_STD_SECAM && + curr_id != V4L2_STD_NTSC) + id &= ~curr_id; + } + if (i <= index) + return -EINVAL; + + v4l2_video_std_construct(p, curr_id, descr); + return 0; +} + +static int v4l_g_std(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + v4l2_std_id *id = arg; + + /* Calls the specific handler */ + if (ops->vidioc_g_std) + return ops->vidioc_g_std(file, fh, arg); + if (vfd->current_norm) { + *id = vfd->current_norm; + return 0; + } + return -ENOTTY; +} + +static int v4l_s_std(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + v4l2_std_id *id = arg, norm; + int ret; + + norm = (*id) & vfd->tvnorms; + if (vfd->tvnorms && !norm) /* Check if std is supported */ + return -EINVAL; + + /* Calls the specific handler */ + ret = ops->vidioc_s_std(file, fh, &norm); + + /* Updates standard information */ + if (ret >= 0) + vfd->current_norm = norm; + return ret; +} + +static int v4l_querystd(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + v4l2_std_id *p = arg; + + /* + * If nothing detected, it should return all supported + * standard. + * Drivers just need to mask the std argument, in order + * to remove the standards that don't apply from the mask. + * This means that tuners, audio and video decoders can join + * their efforts to improve the standards detection. + */ + *p = vfd->tvnorms; + return ops->vidioc_querystd(file, fh, arg); +} + +static int v4l_s_hw_freq_seek(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_hw_freq_seek *p = arg; + enum v4l2_tuner_type type; + + type = (vfd->vfl_type == VFL_TYPE_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + if (p->type != type) + return -EINVAL; + return ops->vidioc_s_hw_freq_seek(file, fh, p); +} + struct v4l2_ioctl_info { unsigned int ioctl; u32 flags; @@ -927,14 +1136,14 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = { IOCTL_INFO_FNC(VIDIOC_STREAMOFF, v4l_streamoff, v4l_print_buftype, INFO_FL_PRIO), IOCTL_INFO(VIDIOC_G_PARM, INFO_FL_CLEAR(v4l2_streamparm, type)), IOCTL_INFO(VIDIOC_S_PARM, INFO_FL_PRIO), - IOCTL_INFO(VIDIOC_G_STD, 0), - IOCTL_INFO(VIDIOC_S_STD, INFO_FL_PRIO), - IOCTL_INFO(VIDIOC_ENUMSTD, INFO_FL_CLEAR(v4l2_standard, index)), + IOCTL_INFO_FNC(VIDIOC_G_STD, v4l_g_std, v4l_print_std, 0), + IOCTL_INFO_FNC(VIDIOC_S_STD, v4l_s_std, v4l_print_std, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_ENUMSTD, v4l_enumstd, v4l_print_standard, INFO_FL_CLEAR(v4l2_standard, index)), IOCTL_INFO_FNC(VIDIOC_ENUMINPUT, v4l_enuminput, v4l_print_enuminput, INFO_FL_CLEAR(v4l2_input, index)), IOCTL_INFO(VIDIOC_G_CTRL, INFO_FL_CTRL), IOCTL_INFO(VIDIOC_S_CTRL, INFO_FL_PRIO | INFO_FL_CTRL), - IOCTL_INFO(VIDIOC_G_TUNER, INFO_FL_CLEAR(v4l2_tuner, index)), - IOCTL_INFO(VIDIOC_S_TUNER, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_G_TUNER, v4l_g_tuner, v4l_print_tuner, INFO_FL_CLEAR(v4l2_tuner, index)), + IOCTL_INFO_FNC(VIDIOC_S_TUNER, v4l_s_tuner, v4l_print_tuner, INFO_FL_PRIO), IOCTL_INFO_STD(VIDIOC_G_AUDIO, vidioc_g_audio, v4l_print_audio, 0), IOCTL_INFO_STD(VIDIOC_S_AUDIO, vidioc_s_audio, v4l_print_audio, INFO_FL_PRIO), IOCTL_INFO(VIDIOC_QUERYCTRL, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_queryctrl, id)), @@ -946,10 +1155,10 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = { IOCTL_INFO_FNC(VIDIOC_ENUMOUTPUT, v4l_enumoutput, v4l_print_enumoutput, INFO_FL_CLEAR(v4l2_output, index)), IOCTL_INFO_STD(VIDIOC_G_AUDOUT, vidioc_g_audout, v4l_print_audioout, 0), IOCTL_INFO_STD(VIDIOC_S_AUDOUT, vidioc_s_audout, v4l_print_audioout, INFO_FL_PRIO), - IOCTL_INFO(VIDIOC_G_MODULATOR, INFO_FL_CLEAR(v4l2_modulator, index)), - IOCTL_INFO(VIDIOC_S_MODULATOR, INFO_FL_PRIO), - IOCTL_INFO(VIDIOC_G_FREQUENCY, INFO_FL_CLEAR(v4l2_frequency, tuner)), - IOCTL_INFO(VIDIOC_S_FREQUENCY, INFO_FL_PRIO), + IOCTL_INFO_STD(VIDIOC_G_MODULATOR, vidioc_g_modulator, v4l_print_modulator, INFO_FL_CLEAR(v4l2_modulator, index)), + IOCTL_INFO_STD(VIDIOC_S_MODULATOR, vidioc_s_modulator, v4l_print_modulator, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_G_FREQUENCY, v4l_g_frequency, v4l_print_frequency, INFO_FL_CLEAR(v4l2_frequency, tuner)), + IOCTL_INFO_FNC(VIDIOC_S_FREQUENCY, v4l_s_frequency, v4l_print_frequency, INFO_FL_PRIO), IOCTL_INFO(VIDIOC_CROPCAP, INFO_FL_CLEAR(v4l2_cropcap, type)), IOCTL_INFO(VIDIOC_G_CROP, INFO_FL_CLEAR(v4l2_crop, type)), IOCTL_INFO(VIDIOC_S_CROP, INFO_FL_PRIO), @@ -957,7 +1166,7 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = { IOCTL_INFO(VIDIOC_S_SELECTION, INFO_FL_PRIO), IOCTL_INFO(VIDIOC_G_JPEGCOMP, 0), IOCTL_INFO(VIDIOC_S_JPEGCOMP, INFO_FL_PRIO), - IOCTL_INFO(VIDIOC_QUERYSTD, 0), + IOCTL_INFO_FNC(VIDIOC_QUERYSTD, v4l_querystd, v4l_print_std, 0), IOCTL_INFO_FNC(VIDIOC_TRY_FMT, v4l_try_fmt, v4l_print_format, 0), IOCTL_INFO_STD(VIDIOC_ENUMAUDIO, vidioc_enumaudio, v4l_print_audio, INFO_FL_CLEAR(v4l2_audio, index)), IOCTL_INFO_STD(VIDIOC_ENUMAUDOUT, vidioc_enumaudout, v4l_print_audioout, INFO_FL_CLEAR(v4l2_audioout, index)), @@ -978,7 +1187,7 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = { IOCTL_INFO(VIDIOC_DBG_S_REGISTER, 0), IOCTL_INFO(VIDIOC_DBG_G_REGISTER, 0), IOCTL_INFO(VIDIOC_DBG_G_CHIP_IDENT, 0), - IOCTL_INFO(VIDIOC_S_HW_FREQ_SEEK, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_S_HW_FREQ_SEEK, v4l_s_hw_freq_seek, v4l_print_hw_freq_seek, INFO_FL_PRIO), IOCTL_INFO(VIDIOC_ENUM_DV_PRESETS, 0), IOCTL_INFO(VIDIOC_S_DV_PRESET, INFO_FL_PRIO), IOCTL_INFO(VIDIOC_G_DV_PRESET, 0), @@ -1160,102 +1369,6 @@ static long __video_do_ioctl(struct file *file, dbgbuf(cmd, vfd, p); break; } - /* ---------- tv norms ---------- */ - case VIDIOC_ENUMSTD: - { - struct v4l2_standard *p = arg; - v4l2_std_id id = vfd->tvnorms, curr_id = 0; - unsigned int index = p->index, i, j = 0; - const char *descr = ""; - - if (id == 0) - break; - ret = -EINVAL; - - /* Return norm array in a canonical way */ - for (i = 0; i <= index && id; i++) { - /* last std value in the standards array is 0, so this - while always ends there since (id & 0) == 0. */ - while ((id & standards[j].std) != standards[j].std) - j++; - curr_id = standards[j].std; - descr = standards[j].descr; - j++; - if (curr_id == 0) - break; - if (curr_id != V4L2_STD_PAL && - curr_id != V4L2_STD_SECAM && - curr_id != V4L2_STD_NTSC) - id &= ~curr_id; - } - if (i <= index) - break; - - v4l2_video_std_construct(p, curr_id, descr); - - dbgarg(cmd, "index=%d, id=0x%Lx, name=%s, fps=%d/%d, " - "framelines=%d\n", p->index, - (unsigned long long)p->id, p->name, - p->frameperiod.numerator, - p->frameperiod.denominator, - p->framelines); - - ret = 0; - break; - } - case VIDIOC_G_STD: - { - v4l2_std_id *id = arg; - - /* Calls the specific handler */ - if (ops->vidioc_g_std) - ret = ops->vidioc_g_std(file, fh, id); - else if (vfd->current_norm) { - ret = 0; - *id = vfd->current_norm; - } - - if (likely(!ret)) - dbgarg(cmd, "std=0x%08Lx\n", (long long unsigned)*id); - break; - } - case VIDIOC_S_STD: - { - v4l2_std_id *id = arg, norm; - - dbgarg(cmd, "std=%08Lx\n", (long long unsigned)*id); - - ret = -EINVAL; - norm = (*id) & vfd->tvnorms; - if (vfd->tvnorms && !norm) /* Check if std is supported */ - break; - - /* Calls the specific handler */ - ret = ops->vidioc_s_std(file, fh, &norm); - - /* Updates standard information */ - if (ret >= 0) - vfd->current_norm = norm; - break; - } - case VIDIOC_QUERYSTD: - { - v4l2_std_id *p = arg; - - /* - * If nothing detected, it should return all supported - * Drivers just need to mask the std argument, in order - * to remove the standards that don't apply from the mask. - * This means that tuners, audio and video decoders can join - * their efforts to improve the standards detection - */ - *p = vfd->tvnorms; - ret = ops->vidioc_querystd(file, fh, arg); - if (!ret) - dbgarg(cmd, "detected std=%08Lx\n", - (unsigned long long)*p); - break; - } /* --- controls ---------------------------------------------- */ case VIDIOC_QUERYCTRL: @@ -1426,31 +1539,6 @@ static long __video_do_ioctl(struct file *file, p->id, p->index); break; } - case VIDIOC_G_MODULATOR: - { - struct v4l2_modulator *p = arg; - - ret = ops->vidioc_g_modulator(file, fh, p); - if (!ret) - dbgarg(cmd, "index=%d, name=%s, " - "capability=%d, rangelow=%d," - " rangehigh=%d, txsubchans=%d\n", - p->index, p->name, p->capability, - p->rangelow, p->rangehigh, - p->txsubchans); - break; - } - case VIDIOC_S_MODULATOR: - { - struct v4l2_modulator *p = arg; - - dbgarg(cmd, "index=%d, name=%s, capability=%d, " - "rangelow=%d, rangehigh=%d, txsubchans=%d\n", - p->index, p->name, p->capability, p->rangelow, - p->rangehigh, p->txsubchans); - ret = ops->vidioc_s_modulator(file, fh, p); - break; - } case VIDIOC_G_CROP: { struct v4l2_crop *p = arg; @@ -1684,68 +1772,6 @@ static long __video_do_ioctl(struct file *file, ret = ops->vidioc_s_parm(file, fh, p); break; } - case VIDIOC_G_TUNER: - { - struct v4l2_tuner *p = arg; - - p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? - V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; - ret = ops->vidioc_g_tuner(file, fh, p); - if (!ret) - dbgarg(cmd, "index=%d, name=%s, type=%d, " - "capability=0x%x, rangelow=%d, " - "rangehigh=%d, signal=%d, afc=%d, " - "rxsubchans=0x%x, audmode=%d\n", - p->index, p->name, p->type, - p->capability, p->rangelow, - p->rangehigh, p->signal, p->afc, - p->rxsubchans, p->audmode); - break; - } - case VIDIOC_S_TUNER: - { - struct v4l2_tuner *p = arg; - - p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? - V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; - dbgarg(cmd, "index=%d, name=%s, type=%d, " - "capability=0x%x, rangelow=%d, " - "rangehigh=%d, signal=%d, afc=%d, " - "rxsubchans=0x%x, audmode=%d\n", - p->index, p->name, p->type, - p->capability, p->rangelow, - p->rangehigh, p->signal, p->afc, - p->rxsubchans, p->audmode); - ret = ops->vidioc_s_tuner(file, fh, p); - break; - } - case VIDIOC_G_FREQUENCY: - { - struct v4l2_frequency *p = arg; - - p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? - V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; - ret = ops->vidioc_g_frequency(file, fh, p); - if (!ret) - dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n", - p->tuner, p->type, p->frequency); - break; - } - case VIDIOC_S_FREQUENCY: - { - struct v4l2_frequency *p = arg; - enum v4l2_tuner_type type; - - type = (vfd->vfl_type == VFL_TYPE_RADIO) ? - V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; - dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n", - p->tuner, p->type, p->frequency); - if (p->type != type) - ret = -EINVAL; - else - ret = ops->vidioc_s_frequency(file, fh, p); - break; - } case VIDIOC_G_SLICED_VBI_CAP: { struct v4l2_sliced_vbi_cap *p = arg; @@ -1805,22 +1831,6 @@ static long __video_do_ioctl(struct file *file, dbgarg(cmd, "chip_ident=%u, revision=0x%x\n", p->ident, p->revision); break; } - case VIDIOC_S_HW_FREQ_SEEK: - { - struct v4l2_hw_freq_seek *p = arg; - enum v4l2_tuner_type type; - - type = (vfd->vfl_type == VFL_TYPE_RADIO) ? - V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; - dbgarg(cmd, - "tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u\n", - p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing); - if (p->type != type) - ret = -EINVAL; - else - ret = ops->vidioc_s_hw_freq_seek(file, fh, p); - break; - } case VIDIOC_ENUM_FRAMESIZES: { struct v4l2_frmsizeenum *p = arg; -- 2.39.2