V4L/DVB (11282): saa7134: add RDS support.
The Terratec Cinergy 600 TV MK3 supports the RDS decoder saa6588.
Add support to saa7134 for such devices.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/saa7134/Kconfig b/drivers/media/video/saa7134/Kconfig
index a2089ac..0ba6898 100644
--- a/drivers/media/video/saa7134/Kconfig
+++ b/drivers/media/video/saa7134/Kconfig
@@ -6,6 +6,7 @@
select VIDEO_TUNER
select VIDEO_TVEEPROM
select CRC32
+ select VIDEO_SAA6588 if VIDEO_HELPER_CHIPS_AUTO
---help---
This is a video4linux driver for Philips SAA713x based
TV cards.
diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c
index 3a03813..a790a72 100644
--- a/drivers/media/video/saa7134/saa7134-cards.c
+++ b/drivers/media/video/saa7134/saa7134-cards.c
@@ -1704,6 +1704,7 @@
.radio_type = UNSET,
.tuner_addr = ADDR_UNSET,
.radio_addr = ADDR_UNSET,
+ .rds_addr = 0x10,
.tda9887_conf = TDA9887_PRESENT,
.inputs = {{
.name = name_tv,
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
index 4c24c9c..dafa0d8 100644
--- a/drivers/media/video/saa7134/saa7134-core.c
+++ b/drivers/media/video/saa7134/saa7134-core.c
@@ -990,6 +990,17 @@
sd->grp_id = GRP_EMPRESS;
}
+ if (saa7134_boards[dev->board].rds_addr) {
+ unsigned short addrs[2] = { 0, I2C_CLIENT_END };
+ struct v4l2_subdev *sd;
+
+ addrs[0] = saa7134_boards[dev->board].rds_addr;
+ sd = v4l2_i2c_new_probed_subdev(&dev->i2c_adap, "saa6588",
+ "saa6588", addrs);
+ if (sd)
+ printk(KERN_INFO "%s: found RDS decoder\n", dev->name);
+ }
+
request_submodules(dev);
v4l2_prio_init(&dev->prio);
diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c
index 6a4ae89..404f70e 100644
--- a/drivers/media/video/saa7134/saa7134-video.c
+++ b/drivers/media/video/saa7134/saa7134-video.c
@@ -30,6 +30,7 @@
#include "saa7134-reg.h"
#include "saa7134.h"
#include <media/v4l2-common.h>
+#include <media/rds.h>
/* ------------------------------------------------------------------ */
@@ -1462,6 +1463,7 @@
{
struct saa7134_fh *fh = file->private_data;
struct saa7134_dev *dev = fh->dev;
+ struct rds_command cmd;
unsigned long flags;
/* turn off overlay */
@@ -1495,6 +1497,8 @@
saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
saa_call_all(dev, core, s_standby, 0);
+ if (fh->radio)
+ saa_call_all(dev, core, ioctl, RDS_CMD_CLOSE, &cmd);
/* free stuff */
videobuf_mmap_free(&fh->cap);
@@ -1515,6 +1519,37 @@
return videobuf_mmap_mapper(saa7134_queue(fh), vma);
}
+static ssize_t radio_read(struct file *file, char __user *data,
+ size_t count, loff_t *ppos)
+{
+ struct saa7134_fh *fh = file->private_data;
+ struct saa7134_dev *dev = fh->dev;
+ struct rds_command cmd;
+
+ cmd.block_count = count/3;
+ cmd.buffer = data;
+ cmd.instance = file;
+ cmd.result = -ENODEV;
+
+ saa_call_all(dev, core, ioctl, RDS_CMD_READ, &cmd);
+
+ return cmd.result;
+}
+
+static unsigned int radio_poll(struct file *file, poll_table *wait)
+{
+ struct saa7134_fh *fh = file->private_data;
+ struct saa7134_dev *dev = fh->dev;
+ struct rds_command cmd;
+
+ cmd.instance = file;
+ cmd.event_list = wait;
+ cmd.result = -ENODEV;
+ saa_call_all(dev, core, ioctl, RDS_CMD_POLL, &cmd);
+
+ return cmd.result;
+}
+
/* ------------------------------------------------------------------ */
static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
@@ -2439,8 +2474,10 @@
static const struct v4l2_file_operations radio_fops = {
.owner = THIS_MODULE,
.open = video_open,
+ .read = radio_read,
.release = video_release,
.ioctl = video_ioctl2,
+ .poll = radio_poll,
};
static const struct v4l2_ioctl_ops radio_ioctl_ops = {
diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h
index 1139668..a2dd326 100644
--- a/drivers/media/video/saa7134/saa7134.h
+++ b/drivers/media/video/saa7134/saa7134.h
@@ -333,6 +333,7 @@
unsigned char tuner_addr;
unsigned char radio_addr;
unsigned char empress_addr;
+ unsigned char rds_addr;
unsigned int tda9887_conf;
unsigned int tuner_config;