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path: root/drivers/media/video/cx18/cx18-ioctl.c
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Diffstat (limited to 'drivers/media/video/cx18/cx18-ioctl.c')
-rw-r--r--drivers/media/video/cx18/cx18-ioctl.c273
1 files changed, 227 insertions, 46 deletions
diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c
index 7086aaba77d..e4c9e3d8bac 100644
--- a/drivers/media/video/cx18/cx18-ioctl.c
+++ b/drivers/media/video/cx18/cx18-ioctl.c
@@ -58,12 +58,21 @@ u16 cx18_service2vbi(int type)
}
}
+/* Check if VBI services are allowed on the (field, line) for the video std */
static int valid_service_line(int field, int line, int is_pal)
{
- return (is_pal && line >= 6 && (line != 23 || field == 0)) ||
+ return (is_pal && line >= 6 &&
+ ((field == 0 && line <= 23) || (field == 1 && line <= 22))) ||
(!is_pal && line >= 10 && line < 22);
}
+/*
+ * For a (field, line, std) and inbound potential set of services for that line,
+ * return the first valid service of those passed in the incoming set for that
+ * line in priority order:
+ * CC, VPS, or WSS over TELETEXT for well known lines
+ * TELETEXT, before VPS, before CC, before WSS, for other lines
+ */
static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
{
u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
@@ -90,6 +99,10 @@ static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
return 0;
}
+/*
+ * Expand the service_set of *fmt into valid service_lines for the std,
+ * and clear the passed in fmt->service_set
+ */
void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
{
u16 set = fmt->service_set;
@@ -102,7 +115,25 @@ void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
}
}
+/*
+ * Sanitize the service_lines in *fmt per the video std, and return 1
+ * if any service_line is left as valid after santization
+ */
+static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
+{
+ int f, l;
+ u16 set = 0;
+
+ for (f = 0; f < 2; f++) {
+ for (l = 0; l < 24; l++) {
+ fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal);
+ set |= fmt->service_lines[f][l];
+ }
+ }
+ return set != 0;
+}
+/* Compute the service_set from the assumed valid service_lines of *fmt */
u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt)
{
int f, l;
@@ -129,10 +160,8 @@ static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
pixfmt->priv = 0;
if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
- /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
- pixfmt->sizeimage =
- pixfmt->height * pixfmt->width +
- pixfmt->height * (pixfmt->width / 2);
+ /* YUV size is (Y=(h*720) + UV=(h*(720/2))) */
+ pixfmt->sizeimage = pixfmt->height * 720 * 3 / 2;
pixfmt->bytesperline = 720;
} else {
pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
@@ -149,8 +178,8 @@ static int cx18_g_fmt_vbi_cap(struct file *file, void *fh,
struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
vbifmt->sampling_rate = 27000000;
- vbifmt->offset = 248;
- vbifmt->samples_per_line = cx->vbi.raw_decoder_line_size - 4;
+ vbifmt->offset = 248; /* FIXME - slightly wrong for both 50 & 60 Hz */
+ vbifmt->samples_per_line = vbi_active_samples - 4;
vbifmt->sample_format = V4L2_PIX_FMT_GREY;
vbifmt->start[0] = cx->vbi.start[0];
vbifmt->start[1] = cx->vbi.start[1];
@@ -164,7 +193,30 @@ static int cx18_g_fmt_vbi_cap(struct file *file, void *fh,
static int cx18_g_fmt_sliced_vbi_cap(struct file *file, void *fh,
struct v4l2_format *fmt)
{
- return -EINVAL;
+ struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
+ struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
+
+ /* sane, V4L2 spec compliant, defaults */
+ vbifmt->reserved[0] = 0;
+ vbifmt->reserved[1] = 0;
+ vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
+ memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
+ vbifmt->service_set = 0;
+
+ /*
+ * Fetch the configured service_lines and total service_set from the
+ * digitizer/slicer. Note, cx18_av_vbi() wipes the passed in
+ * fmt->fmt.sliced under valid calling conditions
+ */
+ if (v4l2_subdev_call(cx->sd_av, video, g_fmt, fmt))
+ return -EINVAL;
+
+ /* Ensure V4L2 spec compliant output */
+ vbifmt->reserved[0] = 0;
+ vbifmt->reserved[1] = 0;
+ vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
+ vbifmt->service_set = cx18_get_service_set(vbifmt);
+ return 0;
}
static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
@@ -174,11 +226,18 @@ static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
struct cx18 *cx = id->cx;
int w = fmt->fmt.pix.width;
int h = fmt->fmt.pix.height;
+ int min_h = 2;
w = min(w, 720);
- w = max(w, 1);
+ w = max(w, 2);
+ if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
+ /* YUV height must be a multiple of 32 */
+ h &= ~0x1f;
+ min_h = 32;
+ }
h = min(h, cx->is_50hz ? 576 : 480);
- h = max(h, 2);
+ h = max(h, min_h);
+
cx18_g_fmt_vid_cap(file, fh, fmt);
fmt->fmt.pix.width = w;
fmt->fmt.pix.height = h;
@@ -194,7 +253,20 @@ static int cx18_try_fmt_vbi_cap(struct file *file, void *fh,
static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh,
struct v4l2_format *fmt)
{
- return -EINVAL;
+ struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
+ struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
+
+ vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
+ vbifmt->reserved[0] = 0;
+ vbifmt->reserved[1] = 0;
+
+ /* If given a service set, expand it validly & clear passed in set */
+ if (vbifmt->service_set)
+ cx18_expand_service_set(vbifmt, cx->is_50hz);
+ /* Sanitize the service_lines, and compute the new set if any valid */
+ if (check_service_set(vbifmt, cx->is_50hz))
+ vbifmt->service_set = cx18_get_service_set(vbifmt);
+ return 0;
}
static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
@@ -223,7 +295,7 @@ static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
cx->params.width = w;
cx->params.height = h;
- cx18_av_cmd(cx, VIDIOC_S_FMT, fmt);
+ v4l2_subdev_call(cx->sd_av, video, s_fmt, fmt);
return cx18_g_fmt_vid_cap(file, fh, fmt);
}
@@ -238,54 +310,131 @@ static int cx18_s_fmt_vbi_cap(struct file *file, void *fh,
if (ret)
return ret;
+ /*
+ * Changing the Encoder's Raw VBI parameters won't have any effect
+ * if any analog capture is ongoing
+ */
if (!cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0)
return -EBUSY;
+ /*
+ * Set the digitizer registers for raw active VBI.
+ * Note cx18_av_vbi_wipes out alot of the passed in fmt under valid
+ * calling conditions
+ */
+ ret = v4l2_subdev_call(cx->sd_av, video, s_fmt, fmt);
+ if (ret)
+ return ret;
+
+ /* Store our new v4l2 (non-)sliced VBI state */
cx->vbi.sliced_in->service_set = 0;
cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
- cx18_av_cmd(cx, VIDIOC_S_FMT, fmt);
+
return cx18_g_fmt_vbi_cap(file, fh, fmt);
}
static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
struct v4l2_format *fmt)
{
- return -EINVAL;
+ struct cx18_open_id *id = fh;
+ struct cx18 *cx = id->cx;
+ int ret;
+ struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
+
+ ret = v4l2_prio_check(&cx->prio, &id->prio);
+ if (ret)
+ return ret;
+
+ cx18_try_fmt_sliced_vbi_cap(file, fh, fmt);
+
+ /*
+ * Changing the Encoder's Raw VBI parameters won't have any effect
+ * if any analog capture is ongoing
+ */
+ if (cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0)
+ return -EBUSY;
+
+ /*
+ * Set the service_lines requested in the digitizer/slicer registers.
+ * Note, cx18_av_vbi() wipes some "impossible" service lines in the
+ * passed in fmt->fmt.sliced under valid calling conditions
+ */
+ ret = v4l2_subdev_call(cx->sd_av, video, s_fmt, fmt);
+ if (ret)
+ return ret;
+ /* Store our current v4l2 sliced VBI settings */
+ cx->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
+ memcpy(cx->vbi.sliced_in, vbifmt, sizeof(*cx->vbi.sliced_in));
+ return 0;
}
static int cx18_g_chip_ident(struct file *file, void *fh,
struct v4l2_dbg_chip_ident *chip)
{
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
+ int err = 0;
chip->ident = V4L2_IDENT_NONE;
chip->revision = 0;
- if (v4l2_chip_match_host(&chip->match)) {
- chip->ident = V4L2_IDENT_CX23418;
- return 0;
+ switch (chip->match.type) {
+ case V4L2_CHIP_MATCH_HOST:
+ switch (chip->match.addr) {
+ case 0:
+ chip->ident = V4L2_IDENT_CX23418;
+ chip->revision = cx18_read_reg(cx, 0xC72028);
+ break;
+ case 1:
+ /*
+ * The A/V decoder is always present, but in the rare
+ * case that the card doesn't have analog, we don't
+ * use it. We find it w/o using the cx->sd_av pointer
+ */
+ cx18_call_hw(cx, CX18_HW_418_AV,
+ core, g_chip_ident, chip);
+ break;
+ default:
+ /*
+ * Could return ident = V4L2_IDENT_UNKNOWN if we had
+ * other host chips at higher addresses, but we don't
+ */
+ err = -EINVAL; /* per V4L2 spec */
+ break;
+ }
+ break;
+ case V4L2_CHIP_MATCH_I2C_DRIVER:
+ /* If needed, returns V4L2_IDENT_AMBIGUOUS without extra work */
+ cx18_call_all(cx, core, g_chip_ident, chip);
+ break;
+ case V4L2_CHIP_MATCH_I2C_ADDR:
+ /*
+ * We could return V4L2_IDENT_UNKNOWN, but we don't do the work
+ * to look if a chip is at the address with no driver. That's a
+ * dangerous thing to do with EEPROMs anyway.
+ */
+ cx18_call_all(cx, core, g_chip_ident, chip);
+ break;
+ default:
+ err = -EINVAL;
+ break;
}
- cx18_call_i2c_clients(cx, VIDIOC_DBG_G_CHIP_IDENT, chip);
- return 0;
+ return err;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg)
{
struct v4l2_dbg_register *regs = arg;
- unsigned long flags;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (regs->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
return -EINVAL;
- spin_lock_irqsave(&cx18_cards_lock, flags);
regs->size = 4;
- if (cmd == VIDIOC_DBG_G_REGISTER)
- regs->val = cx18_read_enc(cx, regs->reg);
- else
+ if (cmd == VIDIOC_DBG_S_REGISTER)
cx18_write_enc(cx, regs->val, regs->reg);
- spin_unlock_irqrestore(&cx18_cards_lock, flags);
+ else
+ regs->val = cx18_read_enc(cx, regs->reg);
return 0;
}
@@ -296,7 +445,8 @@ static int cx18_g_register(struct file *file, void *fh,
if (v4l2_chip_match_host(&reg->match))
return cx18_cxc(cx, VIDIOC_DBG_G_REGISTER, reg);
- cx18_call_i2c_clients(cx, VIDIOC_DBG_G_REGISTER, reg);
+ /* FIXME - errors shouldn't be ignored */
+ cx18_call_all(cx, core, g_register, reg);
return 0;
}
@@ -307,7 +457,8 @@ static int cx18_s_register(struct file *file, void *fh,
if (v4l2_chip_match_host(&reg->match))
return cx18_cxc(cx, VIDIOC_DBG_S_REGISTER, reg);
- cx18_call_i2c_clients(cx, VIDIOC_DBG_S_REGISTER, reg);
+ /* FIXME - errors shouldn't be ignored */
+ cx18_call_all(cx, core, s_register, reg);
return 0;
}
#endif
@@ -335,7 +486,8 @@ static int cx18_querycap(struct file *file, void *fh,
strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
- snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(cx->dev));
+ snprintf(vcap->bus_info, sizeof(vcap->bus_info),
+ "PCI:%s", pci_name(cx->pci_dev));
vcap->version = CX18_DRIVER_VERSION; /* version */
vcap->capabilities = cx->v4l2_cap; /* capabilities */
return 0;
@@ -403,7 +555,8 @@ static int cx18_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- return cx18_av_cmd(cx, VIDIOC_S_CROP, crop);
+ CX18_DEBUG_WARN("VIDIOC_S_CROP not implemented\n");
+ return -EINVAL;
}
static int cx18_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
@@ -412,7 +565,8 @@ static int cx18_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- return cx18_av_cmd(cx, VIDIOC_G_CROP, crop);
+ CX18_DEBUG_WARN("VIDIOC_G_CROP not implemented\n");
+ return -EINVAL;
}
static int cx18_enum_fmt_vid_cap(struct file *file, void *fh,
@@ -483,7 +637,7 @@ static int cx18_g_frequency(struct file *file, void *fh,
if (vf->tuner != 0)
return -EINVAL;
- cx18_call_i2c_clients(cx, VIDIOC_G_FREQUENCY, vf);
+ cx18_call_all(cx, tuner, g_frequency, vf);
return 0;
}
@@ -502,7 +656,7 @@ int cx18_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
cx18_mute(cx);
CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
- cx18_call_i2c_clients(cx, VIDIOC_S_FREQUENCY, vf);
+ cx18_call_all(cx, tuner, s_frequency, vf);
cx18_unmute(cx);
return 0;
}
@@ -547,12 +701,11 @@ int cx18_s_std(struct file *file, void *fh, v4l2_std_id *std)
cx->vbi.count = cx->is_50hz ? 18 : 12;
cx->vbi.start[0] = cx->is_50hz ? 6 : 10;
cx->vbi.start[1] = cx->is_50hz ? 318 : 273;
- cx->vbi.sliced_decoder_line_size = cx->is_60hz ? 272 : 284;
CX18_DEBUG_INFO("Switching standard to %llx.\n",
(unsigned long long) cx->std);
/* Tuner */
- cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std);
+ cx18_call_all(cx, tuner, s_std, cx->std);
return 0;
}
@@ -569,9 +722,7 @@ static int cx18_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
if (vt->index != 0)
return -EINVAL;
- /* Setting tuner can only set audio mode */
- cx18_call_i2c_clients(cx, VIDIOC_S_TUNER, vt);
-
+ cx18_call_all(cx, tuner, s_tuner, vt);
return 0;
}
@@ -582,7 +733,7 @@ static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
if (vt->index != 0)
return -EINVAL;
- cx18_call_i2c_clients(cx, VIDIOC_G_TUNER, vt);
+ cx18_call_all(cx, tuner, g_tuner, vt);
if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) {
strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
@@ -598,7 +749,30 @@ static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
static int cx18_g_sliced_vbi_cap(struct file *file, void *fh,
struct v4l2_sliced_vbi_cap *cap)
{
- return -EINVAL;
+ struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
+ int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
+ int f, l;
+
+ if (cap->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
+ return -EINVAL;
+
+ cap->service_set = 0;
+ for (f = 0; f < 2; f++) {
+ for (l = 0; l < 24; l++) {
+ if (valid_service_line(f, l, cx->is_50hz)) {
+ /*
+ * We can find all v4l2 supported vbi services
+ * for the standard, on a valid line for the std
+ */
+ cap->service_lines[f][l] = set;
+ cap->service_set |= set;
+ } else
+ cap->service_lines[f][l] = 0;
+ }
+ }
+ for (f = 0; f < 3; f++)
+ cap->reserved[f] = 0;
+ return 0;
}
static int cx18_g_enc_index(struct file *file, void *fh,
@@ -708,13 +882,15 @@ static int cx18_log_status(struct file *file, void *fh)
struct v4l2_audio audin;
int i;
- CX18_INFO("================= START STATUS CARD #%d =================\n", cx->num);
+ CX18_INFO("================= START STATUS CARD #%d "
+ "=================\n", cx->instance);
+ CX18_INFO("Version: %s Card: %s\n", CX18_VERSION, cx->card_name);
if (cx->hw_flags & CX18_HW_TVEEPROM) {
struct tveeprom tv;
cx18_read_eeprom(cx, &tv);
}
- cx18_call_i2c_clients(cx, VIDIOC_LOG_STATUS, NULL);
+ cx18_call_all(cx, core, log_status);
cx18_get_input(cx, cx->active_input, &vidin);
cx18_get_audio_input(cx, cx->audio_input, &audin);
CX18_INFO("Video Input: %s\n", vidin.name);
@@ -725,12 +901,12 @@ static int cx18_log_status(struct file *file, void *fh)
mutex_unlock(&cx->gpio_lock);
CX18_INFO("Tuner: %s\n",
test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ? "Radio" : "TV");
- cx2341x_log_status(&cx->params, cx->name);
+ cx2341x_log_status(&cx->params, cx->v4l2_dev.name);
CX18_INFO("Status flags: 0x%08lx\n", cx->i_flags);
for (i = 0; i < CX18_MAX_STREAMS; i++) {
struct cx18_stream *s = &cx->streams[i];
- if (s->v4l2dev == NULL || s->buffers == 0)
+ if (s->video_dev == NULL || s->buffers == 0)
continue;
CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n",
s->name, s->s_flags,
@@ -740,7 +916,8 @@ static int cx18_log_status(struct file *file, void *fh)
CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n",
(long long)cx->mpg_data_received,
(long long)cx->vbi_data_inserted);
- CX18_INFO("================== END STATUS CARD #%d ==================\n", cx->num);
+ CX18_INFO("================== END STATUS CARD #%d "
+ "==================\n", cx->instance);
return 0;
}
@@ -754,7 +931,8 @@ static long cx18_default(struct file *file, void *fh, int cmd, void *arg)
CX18_DEBUG_IOCTL("VIDIOC_INT_S_AUDIO_ROUTING(%d, %d)\n",
route->input, route->output);
- cx18_audio_set_route(cx, route);
+ cx18_call_hw(cx, cx->card->hw_audio_ctrl, audio, s_routing,
+ route);
break;
}
@@ -762,7 +940,8 @@ static long cx18_default(struct file *file, void *fh, int cmd, void *arg)
u32 val = *(u32 *)arg;
if ((val == 0) || (val & 0x01))
- cx18_reset_ir_gpio(&cx->i2c_algo_cb_data[0]);
+ cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL, core, reset,
+ (u32) CX18_GPIO_RESET_Z8F0811);
break;
}
@@ -782,6 +961,8 @@ long cx18_v4l2_ioctl(struct file *filp, unsigned int cmd,
mutex_lock(&cx->serialize_lock);
+ /* FIXME - consolidate v4l2_prio_check()'s here */
+
if (cx18_debug & CX18_DBGFLG_IOCTL)
vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
res = video_ioctl2(filp, cmd, arg);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 22:55:14 +0000