#include <media/rds.h>
#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
-#include <media/v4l2-i2c-drv.h>
/* insmod options */
static unsigned int debug;
static unsigned int xtal;
-static unsigned int rbds;
+static unsigned int mmbs;
static unsigned int plvl;
static unsigned int bufblocks = 100;
MODULE_PARM_DESC(debug, "enable debug messages");
module_param(xtal, int, 0);
MODULE_PARM_DESC(xtal, "select oscillator frequency (0..3), default 0");
-module_param(rbds, int, 0);
-MODULE_PARM_DESC(rbds, "select mode, 0=RDS, 1=RBDS, default 0");
+module_param(mmbs, int, 0);
+MODULE_PARM_DESC(mmbs, "enable MMBS mode: 0=off (default), 1=on");
module_param(plvl, int, 0);
MODULE_PARM_DESC(plvl, "select pause level (0..3), default 0");
module_param(bufblocks, int, 0);
unsigned char last_blocknum;
wait_queue_head_t read_queue;
int data_available_for_read;
+ u8 sync;
};
static inline struct saa6588 *to_saa6588(struct v4l2_subdev *sd)
unsigned char tmp;
/* Although we only need 3 bytes, we have to read at least 6.
- SAA6588 returns garbage otherwise */
+ SAA6588 returns garbage otherwise. */
if (6 != i2c_master_recv(client, &tmpbuf[0], 6)) {
if (debug > 1)
dprintk(PREFIX "read error!\n");
return;
}
+ s->sync = tmpbuf[0] & 0x10;
+ if (!s->sync)
+ return;
blocknum = tmpbuf[0] >> 5;
if (blocknum == s->last_blocknum) {
if (debug > 3)
occurred during reception of this block.
Bit 6: Corrected bit. Indicates that an error was
corrected for this data block.
- Bits 5-3: Received Offset. Indicates the offset received
- by the sync system.
- Bits 2-0: Offset Name. Indicates the offset applied to this data.
+ Bits 5-3: Same as bits 0-2.
+ Bits 2-0: Block number.
SAA6588 byte order is Status-MSB-LSB, so we have to swap the
first and the last of the 3 bytes block.
tmpbuf[2] = tmpbuf[0];
tmpbuf[0] = tmp;
+ /* Map 'Invalid block E' to 'Invalid Block' */
+ if (blocknum == 6)
+ blocknum = V4L2_RDS_BLOCK_INVALID;
+ /* And if are not in mmbs mode, then 'Block E' is also mapped
+ to 'Invalid Block'. As far as I can tell MMBS is discontinued,
+ and if there is ever a need to support E blocks, then please
+ contact the linux-media mailinglist. */
+ else if (!mmbs && blocknum == 5)
+ blocknum = V4L2_RDS_BLOCK_INVALID;
tmp = blocknum;
tmp |= blocknum << 3; /* Received offset == Offset Name (OK ?) */
if ((tmpbuf[2] & 0x03) == 0x03)
- tmp |= 0x80; /* uncorrectable error */
+ tmp |= V4L2_RDS_BLOCK_ERROR; /* uncorrectable error */
else if ((tmpbuf[2] & 0x03) != 0x00)
- tmp |= 0x40; /* corrected error */
+ tmp |= V4L2_RDS_BLOCK_CORRECTED; /* corrected error */
tmpbuf[2] = tmp; /* Is this enough ? Should we also check other bits ? */
spin_lock_irqsave(&s->lock, flags);
schedule_delayed_work(&s->work, msecs_to_jiffies(20));
}
-static int saa6588_configure(struct saa6588 *s)
+static void saa6588_configure(struct saa6588 *s)
{
struct i2c_client *client = v4l2_get_subdevdata(&s->sd);
unsigned char buf[3];
int rc;
buf[0] = cSyncRestart;
- if (rbds)
+ if (mmbs)
buf[0] |= cProcessingModeRBDS;
buf[1] = cFlywheelDefault;
rc = i2c_master_send(client, buf, 3);
if (rc != 3)
printk(PREFIX "i2c i/o error: rc == %d (should be 3)\n", rc);
-
- return 0;
}
/* ---------------------------------------------------------------------- */
return 0;
}
+static int saa6588_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+ struct saa6588 *s = to_saa6588(sd);
+
+ vt->capability |= V4L2_TUNER_CAP_RDS;
+ if (s->sync)
+ vt->rxsubchans |= V4L2_TUNER_SUB_RDS;
+ return 0;
+}
+
+static int saa6588_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+ struct saa6588 *s = to_saa6588(sd);
+
+ saa6588_configure(s);
+ return 0;
+}
+
static int saa6588_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
.ioctl = saa6588_ioctl,
};
+static const struct v4l2_subdev_tuner_ops saa6588_tuner_ops = {
+ .g_tuner = saa6588_g_tuner,
+ .s_tuner = saa6588_s_tuner,
+};
+
static const struct v4l2_subdev_ops saa6588_ops = {
.core = &saa6588_core_ops,
+ .tuner = &saa6588_tuner_ops,
};
/* ---------------------------------------------------------------------- */
};
MODULE_DEVICE_TABLE(i2c, saa6588_id);
-static struct v4l2_i2c_driver_data v4l2_i2c_data = {
- .name = "saa6588",
- .probe = saa6588_probe,
- .remove = saa6588_remove,
- .id_table = saa6588_id,
+static struct i2c_driver saa6588_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "saa6588",
+ },
+ .probe = saa6588_probe,
+ .remove = saa6588_remove,
+ .id_table = saa6588_id,
};
+
+static __init int init_saa6588(void)
+{
+ return i2c_add_driver(&saa6588_driver);
+}
+
+static __exit void exit_saa6588(void)
+{
+ i2c_del_driver(&saa6588_driver);
+}
+
+module_init(init_saa6588);
+module_exit(exit_saa6588);
git.openpandora.org / pandora-kernel.git / blobdiff