From 2983baf8d6c1a564b6bbcc3e142f2e9408d9cbbe Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sun, 29 Mar 2009 06:26:27 -0300 Subject: [PATCH] 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/Kconfig | 1 + drivers/media/video/saa7134/saa7134-cards.c | 1 + drivers/media/video/saa7134/saa7134-core.c | 11 ++++++ drivers/media/video/saa7134/saa7134-video.c | 37 +++++++++++++++++++++ drivers/media/video/saa7134/saa7134.h | 1 + 5 files changed, 51 insertions(+) diff --git a/drivers/media/video/saa7134/Kconfig b/drivers/media/video/saa7134/Kconfig index a2089acb0309..0ba68987bfce 100644 --- a/drivers/media/video/saa7134/Kconfig +++ b/drivers/media/video/saa7134/Kconfig @@ -6,6 +6,7 @@ config VIDEO_SAA7134 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 3a038133b260..a790a7246a63 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -1704,6 +1704,7 @@ struct saa7134_board saa7134_boards[] = { .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 4c24c9c7bb5b..dafa0d88bed0 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -990,6 +990,17 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev, 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 6a4ae89a81a9..404f70eeb355 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 +#include /* ------------------------------------------------------------------ */ @@ -1462,6 +1463,7 @@ static int video_release(struct file *file) { 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 @@ static int video_release(struct file *file) 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 @@ static int video_mmap(struct file *file, struct vm_area_struct * vma) 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_ioctl_ops video_ioctl_ops = { 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 11396687b69c..a2dd326de5b9 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -333,6 +333,7 @@ struct saa7134_board { unsigned char tuner_addr; unsigned char radio_addr; unsigned char empress_addr; + unsigned char rds_addr; unsigned int tda9887_conf; unsigned int tuner_config; -- 2.30.2