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path: root/drivers/media/video/vivi.c
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Diffstat (limited to 'drivers/media/video/vivi.c')
-rw-r--r--drivers/media/video/vivi.c223
1 files changed, 178 insertions, 45 deletions
diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index 5e8b0710105..0960d7f0d39 100644
--- a/drivers/media/video/vivi.c
+++ b/drivers/media/video/vivi.c
@@ -95,6 +95,16 @@ static struct vivi_fmt formats[] = {
.depth = 16,
},
{
+ .name = "4:2:2, packed, YVYU",
+ .fourcc = V4L2_PIX_FMT_YVYU,
+ .depth = 16,
+ },
+ {
+ .name = "4:2:2, packed, VYUY",
+ .fourcc = V4L2_PIX_FMT_VYUY,
+ .depth = 16,
+ },
+ {
.name = "RGB565 (LE)",
.fourcc = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
.depth = 16,
@@ -114,6 +124,26 @@ static struct vivi_fmt formats[] = {
.fourcc = V4L2_PIX_FMT_RGB555X, /* arrrrrgg gggbbbbb */
.depth = 16,
},
+ {
+ .name = "RGB24 (LE)",
+ .fourcc = V4L2_PIX_FMT_RGB24, /* rgb */
+ .depth = 24,
+ },
+ {
+ .name = "RGB24 (BE)",
+ .fourcc = V4L2_PIX_FMT_BGR24, /* bgr */
+ .depth = 24,
+ },
+ {
+ .name = "RGB32 (LE)",
+ .fourcc = V4L2_PIX_FMT_RGB32, /* argb */
+ .depth = 32,
+ },
+ {
+ .name = "RGB32 (BE)",
+ .fourcc = V4L2_PIX_FMT_BGR32, /* bgra */
+ .depth = 32,
+ },
};
static struct vivi_fmt *get_format(struct v4l2_format *f)
@@ -170,6 +200,7 @@ struct vivi_dev {
struct v4l2_ctrl *gain;
};
struct v4l2_ctrl *volume;
+ struct v4l2_ctrl *alpha;
struct v4l2_ctrl *button;
struct v4l2_ctrl *boolean;
struct v4l2_ctrl *int32;
@@ -177,6 +208,7 @@ struct vivi_dev {
struct v4l2_ctrl *menu;
struct v4l2_ctrl *string;
struct v4l2_ctrl *bitmask;
+ struct v4l2_ctrl *int_menu;
spinlock_t slock;
struct mutex mutex;
@@ -203,8 +235,10 @@ struct vivi_dev {
enum v4l2_field field;
unsigned int field_count;
- u8 bars[9][3];
- u8 line[MAX_WIDTH * 4];
+ u8 bars[9][3];
+ u8 line[MAX_WIDTH * 8];
+ unsigned int pixelsize;
+ u8 alpha_component;
};
/* ------------------------------------------------------------------
@@ -283,6 +317,8 @@ static void precalculate_bars(struct vivi_dev *dev)
switch (dev->fmt->fourcc) {
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_UYVY:
+ case V4L2_PIX_FMT_YVYU:
+ case V4L2_PIX_FMT_VYUY:
is_yuv = 1;
break;
case V4L2_PIX_FMT_RGB565:
@@ -297,6 +333,11 @@ static void precalculate_bars(struct vivi_dev *dev)
g >>= 3;
b >>= 3;
break;
+ case V4L2_PIX_FMT_RGB24:
+ case V4L2_PIX_FMT_BGR24:
+ case V4L2_PIX_FMT_RGB32:
+ case V4L2_PIX_FMT_BGR32:
+ break;
}
if (is_yuv) {
@@ -316,9 +357,11 @@ static void precalculate_bars(struct vivi_dev *dev)
#define TSTAMP_INPUT_X 10
#define TSTAMP_MIN_X (54 + TSTAMP_INPUT_X)
-static void gen_twopix(struct vivi_dev *dev, u8 *buf, int colorpos)
+/* 'odd' is true for pixels 1, 3, 5, etc. and false for pixels 0, 2, 4, etc. */
+static void gen_twopix(struct vivi_dev *dev, u8 *buf, int colorpos, bool odd)
{
u8 r_y, g_u, b_v;
+ u8 alpha = dev->alpha_component;
int color;
u8 *p;
@@ -326,46 +369,56 @@ static void gen_twopix(struct vivi_dev *dev, u8 *buf, int colorpos)
g_u = dev->bars[colorpos][1]; /* G or precalculated U */
b_v = dev->bars[colorpos][2]; /* B or precalculated V */
- for (color = 0; color < 4; color++) {
+ for (color = 0; color < dev->pixelsize; color++) {
p = buf + color;
switch (dev->fmt->fourcc) {
case V4L2_PIX_FMT_YUYV:
switch (color) {
case 0:
- case 2:
*p = r_y;
break;
case 1:
- *p = g_u;
- break;
- case 3:
- *p = b_v;
+ *p = odd ? b_v : g_u;
break;
}
break;
case V4L2_PIX_FMT_UYVY:
switch (color) {
+ case 0:
+ *p = odd ? b_v : g_u;
+ break;
case 1:
- case 3:
*p = r_y;
break;
+ }
+ break;
+ case V4L2_PIX_FMT_YVYU:
+ switch (color) {
case 0:
- *p = g_u;
+ *p = r_y;
break;
- case 2:
- *p = b_v;
+ case 1:
+ *p = odd ? g_u : b_v;
+ break;
+ }
+ break;
+ case V4L2_PIX_FMT_VYUY:
+ switch (color) {
+ case 0:
+ *p = odd ? g_u : b_v;
+ break;
+ case 1:
+ *p = r_y;
break;
}
break;
case V4L2_PIX_FMT_RGB565:
switch (color) {
case 0:
- case 2:
*p = (g_u << 5) | b_v;
break;
case 1:
- case 3:
*p = (r_y << 3) | (g_u >> 3);
break;
}
@@ -373,11 +426,9 @@ static void gen_twopix(struct vivi_dev *dev, u8 *buf, int colorpos)
case V4L2_PIX_FMT_RGB565X:
switch (color) {
case 0:
- case 2:
*p = (r_y << 3) | (g_u >> 3);
break;
case 1:
- case 3:
*p = (g_u << 5) | b_v;
break;
}
@@ -385,24 +436,78 @@ static void gen_twopix(struct vivi_dev *dev, u8 *buf, int colorpos)
case V4L2_PIX_FMT_RGB555:
switch (color) {
case 0:
- case 2:
*p = (g_u << 5) | b_v;
break;
case 1:
- case 3:
- *p = (r_y << 2) | (g_u >> 3);
+ *p = (alpha & 0x80) | (r_y << 2) | (g_u >> 3);
break;
}
break;
case V4L2_PIX_FMT_RGB555X:
switch (color) {
case 0:
+ *p = (alpha & 0x80) | (r_y << 2) | (g_u >> 3);
+ break;
+ case 1:
+ *p = (g_u << 5) | b_v;
+ break;
+ }
+ break;
+ case V4L2_PIX_FMT_RGB24:
+ switch (color) {
+ case 0:
+ *p = r_y;
+ break;
+ case 1:
+ *p = g_u;
+ break;
case 2:
- *p = (r_y << 2) | (g_u >> 3);
+ *p = b_v;
+ break;
+ }
+ break;
+ case V4L2_PIX_FMT_BGR24:
+ switch (color) {
+ case 0:
+ *p = b_v;
break;
case 1:
+ *p = g_u;
+ break;
+ case 2:
+ *p = r_y;
+ break;
+ }
+ break;
+ case V4L2_PIX_FMT_RGB32:
+ switch (color) {
+ case 0:
+ *p = alpha;
+ break;
+ case 1:
+ *p = r_y;
+ break;
+ case 2:
+ *p = g_u;
+ break;
case 3:
- *p = (g_u << 5) | b_v;
+ *p = b_v;
+ break;
+ }
+ break;
+ case V4L2_PIX_FMT_BGR32:
+ switch (color) {
+ case 0:
+ *p = b_v;
+ break;
+ case 1:
+ *p = g_u;
+ break;
+ case 2:
+ *p = r_y;
+ break;
+ case 3:
+ *p = alpha;
break;
}
break;
@@ -414,10 +519,10 @@ static void precalculate_line(struct vivi_dev *dev)
{
int w;
- for (w = 0; w < dev->width * 2; w += 2) {
- int colorpos = (w / (dev->width / 8) % 8);
+ for (w = 0; w < dev->width * 2; w++) {
+ int colorpos = w / (dev->width / 8) % 8;
- gen_twopix(dev, dev->line + w * 2, colorpos);
+ gen_twopix(dev, dev->line + w * dev->pixelsize, colorpos, w & 1);
}
}
@@ -433,7 +538,7 @@ static void gen_text(struct vivi_dev *dev, char *basep,
/* Print stream time */
for (line = y; line < y + 16; line++) {
int j = 0;
- char *pos = basep + line * dev->width * 2 + x * 2;
+ char *pos = basep + line * dev->width * dev->pixelsize + x * dev->pixelsize;
char *s;
for (s = text; *s; s++) {
@@ -443,9 +548,9 @@ static void gen_text(struct vivi_dev *dev, char *basep,
for (i = 0; i < 7; i++, j++) {
/* Draw white font on black background */
if (chr & (1 << (7 - i)))
- gen_twopix(dev, pos + j * 2, WHITE);
+ gen_twopix(dev, pos + j * dev->pixelsize, WHITE, (x+y) & 1);
else
- gen_twopix(dev, pos + j * 2, TEXT_BLACK);
+ gen_twopix(dev, pos + j * dev->pixelsize, TEXT_BLACK, (x+y) & 1);
}
}
}
@@ -466,7 +571,9 @@ static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf)
return;
for (h = 0; h < hmax; h++)
- memcpy(vbuf + h * wmax * 2, dev->line + (dev->mv_count % wmax) * 2, wmax * 2);
+ memcpy(vbuf + h * wmax * dev->pixelsize,
+ dev->line + (dev->mv_count % wmax) * dev->pixelsize,
+ wmax * dev->pixelsize);
/* Updates stream time */
@@ -484,15 +591,16 @@ static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf)
gen_text(dev, vbuf, line++ * 16, 16, str);
gain = v4l2_ctrl_g_ctrl(dev->gain);
- mutex_lock(&dev->ctrl_handler.lock);
+ mutex_lock(dev->ctrl_handler.lock);
snprintf(str, sizeof(str), " brightness %3d, contrast %3d, saturation %3d, hue %d ",
dev->brightness->cur.val,
dev->contrast->cur.val,
dev->saturation->cur.val,
dev->hue->cur.val);
gen_text(dev, vbuf, line++ * 16, 16, str);
- snprintf(str, sizeof(str), " autogain %d, gain %3d, volume %3d ",
- dev->autogain->cur.val, gain, dev->volume->cur.val);
+ snprintf(str, sizeof(str), " autogain %d, gain %3d, volume %3d, alpha 0x%02x ",
+ dev->autogain->cur.val, gain, dev->volume->cur.val,
+ dev->alpha->cur.val);
gen_text(dev, vbuf, line++ * 16, 16, str);
snprintf(str, sizeof(str), " int32 %d, int64 %lld, bitmask %08x ",
dev->int32->cur.val,
@@ -503,8 +611,12 @@ static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf)
dev->boolean->cur.val,
dev->menu->qmenu[dev->menu->cur.val],
dev->string->cur.string);
- mutex_unlock(&dev->ctrl_handler.lock);
gen_text(dev, vbuf, line++ * 16, 16, str);
+ snprintf(str, sizeof(str), " integer_menu %lld, value %d ",
+ dev->int_menu->qmenu_int[dev->int_menu->cur.val],
+ dev->int_menu->cur.val);
+ gen_text(dev, vbuf, line++ * 16, 16, str);
+ mutex_unlock(dev->ctrl_handler.lock);
if (dev->button_pressed) {
dev->button_pressed--;
snprintf(str, sizeof(str), " button pressed!");
@@ -657,7 +769,7 @@ static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
struct vivi_dev *dev = vb2_get_drv_priv(vq);
unsigned long size;
- size = dev->width * dev->height * 2;
+ size = dev->width * dev->height * dev->pixelsize;
if (0 == *nbuffers)
*nbuffers = 32;
@@ -721,7 +833,7 @@ static int buffer_prepare(struct vb2_buffer *vb)
dev->height < 32 || dev->height > MAX_HEIGHT)
return -EINVAL;
- size = dev->width * dev->height * 2;
+ size = dev->width * dev->height * dev->pixelsize;
if (vb2_plane_size(vb, 0) < size) {
dprintk(dev, 1, "%s data will not fit into plane (%lu < %lu)\n",
__func__, vb2_plane_size(vb, 0), size);
@@ -915,6 +1027,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
}
dev->fmt = get_format(f);
+ dev->pixelsize = dev->fmt->depth / 8;
dev->width = f->fmt.pix.width;
dev->height = f->fmt.pix.height;
dev->field = f->fmt.pix.field;
@@ -1016,8 +1129,15 @@ static int vivi_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct vivi_dev *dev = container_of(ctrl->handler, struct vivi_dev, ctrl_handler);
- if (ctrl == dev->button)
- dev->button_pressed = 30;
+ switch (ctrl->id) {
+ case V4L2_CID_ALPHA_COMPONENT:
+ dev->alpha_component = ctrl->val;
+ break;
+ default:
+ if (ctrl == dev->button)
+ dev->button_pressed = 30;
+ break;
+ }
return 0;
}
@@ -1039,17 +1159,10 @@ static unsigned int
vivi_poll(struct file *file, struct poll_table_struct *wait)
{
struct vivi_dev *dev = video_drvdata(file);
- struct v4l2_fh *fh = file->private_data;
struct vb2_queue *q = &dev->vb_vidq;
- unsigned int res;
dprintk(dev, 1, "%s\n", __func__);
- res = vb2_poll(q, file, wait);
- if (v4l2_event_pending(fh))
- res |= POLLPRI;
- else
- poll_wait(file, &fh->wait, wait);
- return res;
+ return vb2_poll(q, file, wait);
}
static int vivi_close(struct file *file)
@@ -1165,6 +1278,22 @@ static const struct v4l2_ctrl_config vivi_ctrl_bitmask = {
.step = 0,
};
+static const s64 vivi_ctrl_int_menu_values[] = {
+ 1, 1, 2, 3, 5, 8, 13, 21, 42,
+};
+
+static const struct v4l2_ctrl_config vivi_ctrl_int_menu = {
+ .ops = &vivi_ctrl_ops,
+ .id = VIVI_CID_CUSTOM_BASE + 7,
+ .name = "Integer menu",
+ .type = V4L2_CTRL_TYPE_INTEGER_MENU,
+ .min = 1,
+ .max = 8,
+ .def = 4,
+ .menu_skip_mask = 0x02,
+ .qmenu_int = vivi_ctrl_int_menu_values,
+};
+
static const struct v4l2_file_operations vivi_fops = {
.owner = THIS_MODULE,
.open = v4l2_fh_open,
@@ -1252,6 +1381,7 @@ static int __init vivi_create_instance(int inst)
dev->fmt = &formats[0];
dev->width = 640;
dev->height = 480;
+ dev->pixelsize = dev->fmt->depth / 8;
hdl = &dev->ctrl_handler;
v4l2_ctrl_handler_init(hdl, 11);
dev->volume = v4l2_ctrl_new_std(hdl, &vivi_ctrl_ops,
@@ -1268,6 +1398,8 @@ static int __init vivi_create_instance(int inst)
V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
dev->gain = v4l2_ctrl_new_std(hdl, &vivi_ctrl_ops,
V4L2_CID_GAIN, 0, 255, 1, 100);
+ dev->alpha = v4l2_ctrl_new_std(hdl, &vivi_ctrl_ops,
+ V4L2_CID_ALPHA_COMPONENT, 0, 255, 1, 0);
dev->button = v4l2_ctrl_new_custom(hdl, &vivi_ctrl_button, NULL);
dev->int32 = v4l2_ctrl_new_custom(hdl, &vivi_ctrl_int32, NULL);
dev->int64 = v4l2_ctrl_new_custom(hdl, &vivi_ctrl_int64, NULL);
@@ -1275,6 +1407,7 @@ static int __init vivi_create_instance(int inst)
dev->menu = v4l2_ctrl_new_custom(hdl, &vivi_ctrl_menu, NULL);
dev->string = v4l2_ctrl_new_custom(hdl, &vivi_ctrl_string, NULL);
dev->bitmask = v4l2_ctrl_new_custom(hdl, &vivi_ctrl_bitmask, NULL);
+ dev->int_menu = v4l2_ctrl_new_custom(hdl, &vivi_ctrl_int_menu, NULL);
if (hdl->error) {
ret = hdl->error;
goto unreg_dev;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-22 09:46:45 +0000