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Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-hdw.c')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-hdw.c134
1 files changed, 64 insertions, 70 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index add3395d3248..cbc388729d77 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -85,8 +85,8 @@ MODULE_PARM_DESC(video_std,"specify initial video standard");
module_param_array(tolerance, int, NULL, 0444);
MODULE_PARM_DESC(tolerance,"specify stream error tolerance");
-/* US Broadcast channel 7 (175.25 MHz) */
-static int default_tv_freq = 175250000L;
+/* US Broadcast channel 3 (61.25 MHz), to help with testing */
+static int default_tv_freq = 61250000L;
/* 104.3 MHz, a usable FM station for my area */
static int default_radio_freq = 104300000L;
@@ -142,6 +142,15 @@ static const unsigned char *module_i2c_addresses[] = {
};
+static const char *ir_scheme_names[] = {
+ [PVR2_IR_SCHEME_NONE] = "none",
+ [PVR2_IR_SCHEME_29XXX] = "29xxx",
+ [PVR2_IR_SCHEME_24XXX] = "24xxx (29xxx emulation)",
+ [PVR2_IR_SCHEME_24XXX_MCE] = "24xxx (MCE device)",
+ [PVR2_IR_SCHEME_ZILOG] = "Zilog",
+};
+
+
/* Define the list of additional controls we'll dynamically construct based
on query of the cx2341x module. */
struct pvr2_mpeg_ids {
@@ -1978,6 +1987,34 @@ static unsigned int pvr2_copy_i2c_addr_list(
}
+static void pvr2_hdw_cx25840_vbi_hack(struct pvr2_hdw *hdw)
+{
+ /*
+ Mike Isely <isely@pobox.com> 19-Nov-2006 - This bit of nuttiness
+ for cx25840 causes that module to correctly set up its video
+ scaling. This is really a problem in the cx25840 module itself,
+ but we work around it here. The problem has not been seen in
+ ivtv because there VBI is supported and set up. We don't do VBI
+ here (at least not yet) and thus we never attempted to even set
+ it up.
+ */
+ struct v4l2_format fmt;
+ if (hdw->decoder_client_id != PVR2_CLIENT_ID_CX25840) {
+ /* We're not using a cx25840 so don't enable the hack */
+ return;
+ }
+
+ pvr2_trace(PVR2_TRACE_INIT,
+ "Module ID %u:"
+ " Executing cx25840 VBI hack",
+ hdw->decoder_client_id);
+ memset(&fmt, 0, sizeof(fmt));
+ fmt.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
+ v4l2_device_call_all(&hdw->v4l2_dev, hdw->decoder_client_id,
+ video, s_fmt, &fmt);
+}
+
+
static int pvr2_hdw_load_subdev(struct pvr2_hdw *hdw,
const struct pvr2_device_client_desc *cd)
{
@@ -2069,30 +2106,6 @@ static int pvr2_hdw_load_subdev(struct pvr2_hdw *hdw,
/* client-specific setup... */
switch (mid) {
case PVR2_CLIENT_ID_CX25840:
- hdw->decoder_client_id = mid;
- {
- /*
- Mike Isely <isely@pobox.com> 19-Nov-2006 - This
- bit of nuttiness for cx25840 causes that module
- to correctly set up its video scaling. This is
- really a problem in the cx25840 module itself,
- but we work around it here. The problem has not
- been seen in ivtv because there VBI is supported
- and set up. We don't do VBI here (at least not
- yet) and thus we never attempted to even set it
- up.
- */
- struct v4l2_format fmt;
- pvr2_trace(PVR2_TRACE_INIT,
- "Module ID %u:"
- " Executing cx25840 VBI hack",
- mid);
- memset(&fmt, 0, sizeof(fmt));
- fmt.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
- v4l2_device_call_all(&hdw->v4l2_dev, mid,
- video, s_fmt, &fmt);
- }
- break;
case PVR2_CLIENT_ID_SAA7115:
hdw->decoder_client_id = mid;
break;
@@ -2170,7 +2183,7 @@ static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw)
}
/* Take the IR chip out of reset, if appropriate */
- if (hdw->hdw_desc->ir_scheme == PVR2_IR_SCHEME_ZILOG) {
+ if (hdw->ir_scheme_active == PVR2_IR_SCHEME_ZILOG) {
pvr2_issue_simple_cmd(hdw,
FX2CMD_HCW_ZILOG_RESET |
(1 << 8) |
@@ -2193,6 +2206,8 @@ static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw)
cptr->info->set_value(cptr,~0,cptr->info->default_value);
}
+ pvr2_hdw_cx25840_vbi_hack(hdw);
+
/* Set up special default values for the television and radio
frequencies here. It's not really important what these defaults
are, but I set them to something usable in the Chicago area just
@@ -2451,6 +2466,7 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf,
GFP_KERNEL);
if (!hdw->controls) goto fail;
hdw->hdw_desc = hdw_desc;
+ hdw->ir_scheme_active = hdw->hdw_desc->ir_scheme;
for (idx = 0; idx < hdw->control_cnt; idx++) {
cptr = hdw->controls + idx;
cptr->hdw = hdw;
@@ -2944,6 +2960,7 @@ static void pvr2_subdev_update(struct pvr2_hdw *hdw)
vs = hdw->std_mask_cur;
v4l2_device_call_all(&hdw->v4l2_dev, 0,
core, s_std, vs);
+ pvr2_hdw_cx25840_vbi_hack(hdw);
}
hdw->tuner_signal_stale = !0;
hdw->cropcap_stale = !0;
@@ -4066,6 +4083,7 @@ int pvr2_hdw_cmd_decoder_reset(struct pvr2_hdw *hdw)
if (hdw->decoder_client_id) {
v4l2_device_call_all(&hdw->v4l2_dev, hdw->decoder_client_id,
core, reset, 0);
+ pvr2_hdw_cx25840_vbi_hack(hdw);
return 0;
}
pvr2_trace(PVR2_TRACE_INIT,
@@ -4809,6 +4827,12 @@ static unsigned int pvr2_hdw_report_unlocked(struct pvr2_hdw *hdw,int which,
stats.buffers_processed,
stats.buffers_failed);
}
+ case 6: {
+ unsigned int id = hdw->ir_scheme_active;
+ return scnprintf(buf, acnt, "ir scheme: id=%d %s", id,
+ (id >= ARRAY_SIZE(ir_scheme_names) ?
+ "?" : ir_scheme_names[id]));
+ }
default: break;
}
return 0;
@@ -4825,65 +4849,35 @@ static unsigned int pvr2_hdw_report_clients(struct pvr2_hdw *hdw,
unsigned int tcnt = 0;
unsigned int ccnt;
struct i2c_client *client;
- struct list_head *item;
- void *cd;
const char *p;
unsigned int id;
- ccnt = scnprintf(buf, acnt, "Associated v4l2-subdev drivers:");
+ ccnt = scnprintf(buf, acnt, "Associated v4l2-subdev drivers and I2C clients:\n");
tcnt += ccnt;
v4l2_device_for_each_subdev(sd, &hdw->v4l2_dev) {
id = sd->grp_id;
p = NULL;
if (id < ARRAY_SIZE(module_names)) p = module_names[id];
if (p) {
- ccnt = scnprintf(buf + tcnt, acnt - tcnt, " %s", p);
+ ccnt = scnprintf(buf + tcnt, acnt - tcnt, " %s:", p);
tcnt += ccnt;
} else {
ccnt = scnprintf(buf + tcnt, acnt - tcnt,
- " (unknown id=%u)", id);
+ " (unknown id=%u):", id);
tcnt += ccnt;
}
- }
- ccnt = scnprintf(buf + tcnt, acnt - tcnt, "\n");
- tcnt += ccnt;
-
- ccnt = scnprintf(buf + tcnt, acnt - tcnt, "I2C clients:\n");
- tcnt += ccnt;
-
- mutex_lock(&hdw->i2c_adap.clist_lock);
- list_for_each(item, &hdw->i2c_adap.clients) {
- client = list_entry(item, struct i2c_client, list);
- ccnt = scnprintf(buf + tcnt, acnt - tcnt,
- " %s: i2c=%02x", client->name, client->addr);
- tcnt += ccnt;
- cd = i2c_get_clientdata(client);
- v4l2_device_for_each_subdev(sd, &hdw->v4l2_dev) {
- if (cd == sd) {
- id = sd->grp_id;
- p = NULL;
- if (id < ARRAY_SIZE(module_names)) {
- p = module_names[id];
- }
- if (p) {
- ccnt = scnprintf(buf + tcnt,
- acnt - tcnt,
- " subdev=%s", p);
- tcnt += ccnt;
- } else {
- ccnt = scnprintf(buf + tcnt,
- acnt - tcnt,
- " subdev= id %u)",
- id);
- tcnt += ccnt;
- }
- break;
- }
+ client = v4l2_get_subdevdata(sd);
+ if (client) {
+ ccnt = scnprintf(buf + tcnt, acnt - tcnt,
+ " %s @ %02x\n", client->name,
+ client->addr);
+ tcnt += ccnt;
+ } else {
+ ccnt = scnprintf(buf + tcnt, acnt - tcnt,
+ " no i2c client\n");
+ tcnt += ccnt;
}
- ccnt = scnprintf(buf + tcnt, acnt - tcnt, "\n");
- tcnt += ccnt;
}
- mutex_unlock(&hdw->i2c_adap.clist_lock);
return tcnt;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 15:23:48 +0100