media: staging: media: av7110: fix VBI output support
authorHans Verkuil <hverkuil-cisco@xs4all.nl>
Wed, 22 Mar 2023 12:51:56 +0000 (12:51 +0000)
committerMauro Carvalho Chehab <mchehab@kernel.org>
Sat, 15 Apr 2023 07:56:36 +0000 (08:56 +0100)
With these changes it now passes the v4l2-compliance test.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
drivers/staging/media/av7110/av7110_v4l.c

index 3ab930c..ed2c605 100644 (file)
@@ -473,6 +473,28 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
        return av7110_dvb_c_switch(dev);
 }
 
+static int vidioc_enum_output(struct file *file, void *fh, struct v4l2_output *o)
+{
+       if (o->index)
+               return -EINVAL;
+       strscpy(o->name, "Video Output", sizeof(o->name));
+       o->type = V4L2_OUTPUT_TYPE_ANALOG;
+       o->std = V4L2_STD_NTSC_M | V4L2_STD_PAL_BG;
+       o->capabilities = V4L2_OUT_CAP_STD;
+       return 0;
+}
+
+static int vidioc_g_output(struct file *file, void *fh, unsigned int *output)
+{
+       *output = 0;
+       return 0;
+}
+
+static int vidioc_s_output(struct file *file, void *fh, unsigned int output)
+{
+       return output ? -EINVAL : 0;
+}
+
 static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a)
 {
        dprintk(2, "VIDIOC_G_AUDIO: %d\n", a->index);
@@ -536,52 +558,53 @@ static int vidioc_g_fmt_sliced_vbi_out(struct file *file, void *fh,
        if (av7110->wssMode) {
                f->fmt.sliced.service_set = V4L2_SLICED_WSS_625;
                f->fmt.sliced.service_lines[0][23] = V4L2_SLICED_WSS_625;
-               f->fmt.sliced.io_size = sizeof(struct v4l2_sliced_vbi_data);
        }
+       f->fmt.sliced.io_size = sizeof(struct v4l2_sliced_vbi_data);
        return 0;
 }
 
-static int vidioc_s_fmt_sliced_vbi_out(struct file *file, void *fh,
-                                       struct v4l2_format *f)
+static int vidioc_try_fmt_sliced_vbi_out(struct file *file, void *fh,
+                                        struct v4l2_format *f)
 {
        struct saa7146_dev *dev = video_drvdata(file);
        struct av7110 *av7110 = (struct av7110 *)dev->ext_priv;
+       bool want_wss = (f->fmt.sliced.service_set & V4L2_SLICED_WSS_625) ||
+               (!f->fmt.sliced.service_set &&
+                f->fmt.sliced.service_lines[0][23] == V4L2_SLICED_WSS_625);
 
-       dprintk(2, "VIDIOC_S_FMT\n");
+       dprintk(2, "VIDIOC_G_FMT:\n");
        if (FW_VERSION(av7110->arm_app) < 0x2623)
                return -EINVAL;
-       if (f->fmt.sliced.service_set != V4L2_SLICED_WSS_625 &&
-           f->fmt.sliced.service_lines[0][23] != V4L2_SLICED_WSS_625) {
-               memset(&f->fmt.sliced, 0, sizeof(f->fmt.sliced));
-               /* WSS controlled by firmware */
-               av7110->wssMode = 0;
-               av7110->wssData = 0;
-               return av7110_fw_cmd(av7110, COMTYPE_ENCODER,
-                                    SetWSSConfig, 1, 0);
-       } else {
-               memset(&f->fmt.sliced, 0, sizeof(f->fmt.sliced));
+       memset(&f->fmt.sliced, 0, sizeof(f->fmt.sliced));
+       if (want_wss) {
                f->fmt.sliced.service_set = V4L2_SLICED_WSS_625;
                f->fmt.sliced.service_lines[0][23] = V4L2_SLICED_WSS_625;
-               f->fmt.sliced.io_size = sizeof(struct v4l2_sliced_vbi_data);
-               /* WSS controlled by userspace */
-               av7110->wssMode = 1;
-               av7110->wssData = 0;
        }
+       f->fmt.sliced.io_size = sizeof(struct v4l2_sliced_vbi_data);
        return 0;
 }
 
-static int av7110_vbi_reset(struct file *file)
+static int vidioc_s_fmt_sliced_vbi_out(struct file *file, void *fh,
+                                       struct v4l2_format *f)
 {
        struct saa7146_dev *dev = video_drvdata(file);
-       struct av7110 *av7110 = (struct av7110*) dev->ext_priv;
+       struct av7110 *av7110 = (struct av7110 *)dev->ext_priv;
 
-       dprintk(2, "%s\n", __func__);
-       av7110->wssMode = 0;
-       av7110->wssData = 0;
-       if (FW_VERSION(av7110->arm_app) < 0x2623)
-               return 0;
-       else
-               return av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetWSSConfig, 1, 0);
+       dprintk(2, "VIDIOC_S_FMT\n");
+       if (vidioc_try_fmt_sliced_vbi_out(file, fh, f))
+               return -EINVAL;
+       if (f->fmt.sliced.service_set & V4L2_SLICED_WSS_625) {
+               /* WSS controlled by userspace */
+               av7110->wssMode = 1;
+               av7110->wssData = 0;
+       } else {
+               /* WSS controlled by firmware */
+               av7110->wssMode = 0;
+               av7110->wssData = 0;
+               return av7110_fw_cmd(av7110, COMTYPE_ENCODER,
+                                    SetWSSConfig, 1, 0);
+       }
+       return 0;
 }
 
 static ssize_t av7110_vbi_write(struct file *file, const char __user *data, size_t count, loff_t *ppos)
@@ -801,13 +824,16 @@ int av7110_init_v4l(struct av7110 *av7110)
        vv_data->vid_ops.vidioc_s_audio = vidioc_s_audio;
        vv_data->vid_ops.vidioc_g_fmt_vbi_cap = NULL;
 
-       vv_data->vbi_ops.vidioc_g_tuner = vidioc_g_tuner;
-       vv_data->vbi_ops.vidioc_s_tuner = vidioc_s_tuner;
-       vv_data->vbi_ops.vidioc_g_frequency = vidioc_g_frequency;
-       vv_data->vbi_ops.vidioc_s_frequency = vidioc_s_frequency;
+       vv_data->vbi_ops.vidioc_enum_output = vidioc_enum_output;
+       vv_data->vbi_ops.vidioc_g_output = vidioc_g_output;
+       vv_data->vbi_ops.vidioc_s_output = vidioc_s_output;
+       vv_data->vbi_ops.vidioc_g_parm = NULL;
        vv_data->vbi_ops.vidioc_g_fmt_vbi_cap = NULL;
+       vv_data->vbi_ops.vidioc_try_fmt_vbi_cap = NULL;
+       vv_data->vbi_ops.vidioc_s_fmt_vbi_cap = NULL;
        vv_data->vbi_ops.vidioc_g_sliced_vbi_cap = vidioc_g_sliced_vbi_cap;
        vv_data->vbi_ops.vidioc_g_fmt_sliced_vbi_out = vidioc_g_fmt_sliced_vbi_out;
+       vv_data->vbi_ops.vidioc_try_fmt_sliced_vbi_out = vidioc_try_fmt_sliced_vbi_out;
        vv_data->vbi_ops.vidioc_s_fmt_sliced_vbi_out = vidioc_s_fmt_sliced_vbi_out;
 
        if (FW_VERSION(av7110->arm_app) < 0x2623)
@@ -848,7 +874,7 @@ static struct saa7146_standard standard[] = {
                .h_offset       = 0x48, .h_pixels       = 708,
                .v_max_out      = 576,  .h_max_out      = 768,
        }, {
-               .name   = "NTSC",       .id             = V4L2_STD_NTSC,
+               .name   = "NTSC",       .id             = V4L2_STD_NTSC_M,
                .v_offset       = 0x10, .v_field        = 244,
                .h_offset       = 0x40, .h_pixels       = 708,
                .v_max_out      = 480,  .h_max_out      = 640,
@@ -862,7 +888,7 @@ static struct saa7146_standard analog_standard[] = {
                .h_offset       = 0x08, .h_pixels       = 708,
                .v_max_out      = 576,  .h_max_out      = 768,
        }, {
-               .name   = "NTSC",       .id             = V4L2_STD_NTSC,
+               .name   = "NTSC",       .id             = V4L2_STD_NTSC_M,
                .v_offset       = 0x10, .v_field        = 244,
                .h_offset       = 0x40, .h_pixels       = 708,
                .v_max_out      = 480,  .h_max_out      = 640,
@@ -876,7 +902,7 @@ static struct saa7146_standard dvb_standard[] = {
                .h_offset       = 0x48, .h_pixels       = 708,
                .v_max_out      = 576,  .h_max_out      = 768,
        }, {
-               .name   = "NTSC",       .id             = V4L2_STD_NTSC,
+               .name   = "NTSC",       .id             = V4L2_STD_NTSC_M,
                .v_offset       = 0x10, .v_field        = 244,
                .h_offset       = 0x40, .h_pixels       = 708,
                .v_max_out      = 480,  .h_max_out      = 640,
@@ -912,8 +938,6 @@ static struct saa7146_ext_vv av7110_vv_data_st = {
        .num_stds       = ARRAY_SIZE(standard),
        .std_callback   = &std_callback,
 
-       .vbi_fops.open  = av7110_vbi_reset,
-       .vbi_fops.release = av7110_vbi_reset,
        .vbi_fops.write = av7110_vbi_write,
 };
 
@@ -927,8 +951,6 @@ static struct saa7146_ext_vv av7110_vv_data_c = {
        .num_stds       = ARRAY_SIZE(standard),
        .std_callback   = &std_callback,
 
-       .vbi_fops.open  = av7110_vbi_reset,
-       .vbi_fops.release = av7110_vbi_reset,
        .vbi_fops.write = av7110_vbi_write,
 };