merge: http://www.linuxtv.org/hg/~hverkuil/v4l-dvb-rds

From: Mauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

3 files changed, 107 insertions, 93 deletions

diff --git a/linux/drivers/media/video/cx2341x.c b/linux/drivers/media/video/cx2341x.c
index c92b98135..ebee97bc2 100644
--- a/linux/drivers/media/video/cx2341x.c
+++ b/linux/drivers/media/video/cx2341x.c
@@ -46,12 +46,12 @@ const u32 cx2341x_mpeg_ctrls[] = {
 	V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
 	V4L2_CID_MPEG_AUDIO_ENCODING,
 	V4L2_CID_MPEG_AUDIO_L2_BITRATE,
-	V4L2_CID_MPEG_AUDIO_AC3_BITRATE,
 	V4L2_CID_MPEG_AUDIO_MODE,
 	V4L2_CID_MPEG_AUDIO_MODE_EXTENSION,
 	V4L2_CID_MPEG_AUDIO_EMPHASIS,
 	V4L2_CID_MPEG_AUDIO_CRC,
 	V4L2_CID_MPEG_AUDIO_MUTE,
+	V4L2_CID_MPEG_AUDIO_AC3_BITRATE,
 	V4L2_CID_MPEG_VIDEO_ENCODING,
 	V4L2_CID_MPEG_VIDEO_ASPECT,
 	V4L2_CID_MPEG_VIDEO_B_FRAMES,
diff --git a/linux/drivers/media/video/saa6588.c b/linux/drivers/media/video/saa6588.c
index ab41d9526..77c3b59e8 100644
--- a/linux/drivers/media/video/saa6588.c
+++ b/linux/drivers/media/video/saa6588.c
@@ -32,6 +32,9 @@
 #include <asm/uaccess.h>
 
 #include <media/rds.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv-legacy.h>
 #include "compat.h"
 
 /* Addresses to scan */
@@ -73,7 +76,7 @@ MODULE_LICENSE("GPL");
 #define dprintk     if (debug) printk
 
 struct saa6588 {
-	struct i2c_client client;
+	struct v4l2_subdev sd;
 	struct work_struct work;
 	struct timer_list timer;
 	spinlock_t lock;
@@ -87,8 +90,10 @@ struct saa6588 {
 	int data_available_for_read;
 };
 
-static struct i2c_driver driver;
-static struct i2c_client client_template;
+static inline struct saa6588 *to_saa6588(struct v4l2_subdev *sd)
+{
+	return container_of(sd, struct saa6588, sd);
+}
 
 /* ---------------------------------------------------------------------- */
 
@@ -259,6 +264,7 @@ static void block_to_buf(struct saa6588 *s, unsigned char *blockbuf)
 
 static void saa6588_i2c_poll(struct saa6588 *s)
 {
+	struct i2c_client *client = v4l2_get_subdevdata(&s->sd);
 	unsigned long flags;
 	unsigned char tmpbuf[6];
 	unsigned char blocknum;
@@ -266,7 +272,7 @@ static void saa6588_i2c_poll(struct saa6588 *s)
 
 	/* Although we only need 3 bytes, we have to read at least 6.
 	   SAA6588 returns garbage otherwise */
-	if (6 != i2c_master_recv(&s->client, &tmpbuf[0], 6)) {
+	if (6 != i2c_master_recv(client, &tmpbuf[0], 6)) {
 		if (debug > 1)
 			dprintk(PREFIX "read error!\n");
 		return;
@@ -342,6 +348,7 @@ static void saa6588_work(struct work_struct *work)
 
 static int saa6588_configure(struct saa6588 *s)
 {
+	struct i2c_client *client = v4l2_get_subdevdata(&s->sd);
 	unsigned char buf[3];
 	int rc;
 
@@ -389,7 +396,8 @@ static int saa6588_configure(struct saa6588 *s)
 	dprintk(PREFIX "writing: 0w=0x%02x 1w=0x%02x 2w=0x%02x\n",
 		buf[0], buf[1], buf[2]);
 
-	if (3 != (rc = i2c_master_send(&s->client, buf, 3)))
+	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;
@@ -397,38 +405,101 @@ static int saa6588_configure(struct saa6588 *s)
 
 /* ---------------------------------------------------------------------- */
 
-static int saa6588_attach(struct i2c_adapter *adap, int addr, int kind)
+static long saa6588_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
+{
+	struct saa6588 *s = to_saa6588(sd);
+	struct rds_command *a = arg;
+
+	switch (cmd) {
+		/* --- open() for /dev/radio --- */
+	case RDS_CMD_OPEN:
+		a->result = 0;	/* return error if chip doesn't work ??? */
+		break;
+		/* --- close() for /dev/radio --- */
+	case RDS_CMD_CLOSE:
+		s->data_available_for_read = 1;
+		wake_up_interruptible(&s->read_queue);
+		a->result = 0;
+		break;
+		/* --- read() for /dev/radio --- */
+	case RDS_CMD_READ:
+		read_from_buf(s, a);
+		break;
+		/* --- poll() for /dev/radio --- */
+	case RDS_CMD_POLL:
+		a->result = 0;
+		if (s->data_available_for_read) {
+			a->result |= POLLIN | POLLRDNORM;
+		}
+		poll_wait(a->instance, &s->read_queue, a->event_list);
+		break;
+
+	default:
+		/* nothing */
+		return -ENOIOCTLCMD;
+	}
+	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);
+
+	return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_SAA6588, 0);
+}
+
+static int saa6588_command(struct i2c_client *client, unsigned cmd, void *arg)
+{
+	return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);
+}
+
+/* ----------------------------------------------------------------------- */
+
+static const struct v4l2_subdev_core_ops saa6588_core_ops = {
+	.g_chip_ident = saa6588_g_chip_ident,
+	.ioctl = saa6588_ioctl,
+};
+
+static const struct v4l2_subdev_ops saa6588_ops = {
+	.core = &saa6588_core_ops,
+};
+
+/* ---------------------------------------------------------------------- */
+
+static int saa6588_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id)
 {
 	struct saa6588 *s;
-	client_template.adapter = adap;
-	client_template.addr = addr;
+	struct v4l2_subdev *sd;
 
-	printk(PREFIX "chip found @ 0x%x\n", addr << 1);
+	v4l_info(client, "saa6588 found @ 0x%x (%s)\n",
+			client->addr << 1, client->adapter->name);
 
-	if (NULL == (s = kmalloc(sizeof(*s), GFP_KERNEL)))
+	s = kzalloc(sizeof(*s), GFP_KERNEL);
+	if (s == NULL)
 		return -ENOMEM;
 
 	s->buf_size = bufblocks * 3;
 
-	if (NULL == (s->buffer = kmalloc(s->buf_size, GFP_KERNEL))) {
+	s->buffer = kmalloc(s->buf_size, GFP_KERNEL);
+	if (s->buffer == NULL) {
 		kfree(s);
 		return -ENOMEM;
 	}
+	sd = &s->sd;
+	v4l2_i2c_subdev_init(sd, client, &saa6588_ops);
 	spin_lock_init(&s->lock);
-	s->client = client_template;
 	s->block_count = 0;
 	s->wr_index = 0;
 	s->rd_index = 0;
 	s->last_blocknum = 0xff;
 	init_waitqueue_head(&s->read_queue);
 	s->data_available_for_read = 0;
-	i2c_set_clientdata(&s->client, s);
-	i2c_attach_client(&s->client);
 
 	saa6588_configure(s);
 
 	/* start polling via eventd */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
 	INIT_WORK(&s->work, saa6588_work, s);
 #else
 	INIT_WORK(&s->work, saa6588_work);
@@ -440,97 +511,37 @@ static int saa6588_attach(struct i2c_adapter *adap, int addr, int kind)
 	return 0;
 }
 
-static int saa6588_probe(struct i2c_adapter *adap)
+static int saa6588_remove(struct i2c_client *client)
 {
-	if (adap->class & I2C_CLASS_TV_ANALOG)
-		return i2c_probe(adap, &addr_data, saa6588_attach);
-	return 0;
-}
+	struct v4l2_subdev *sd = i2c_get_clientdata(client);
+	struct saa6588 *s = to_saa6588(sd);
 
-static int saa6588_detach(struct i2c_client *client)
-{
-	struct saa6588 *s = i2c_get_clientdata(client);
+	v4l2_device_unregister_subdev(sd);
 
 	del_timer_sync(&s->timer);
 	flush_scheduled_work();
 
-	i2c_detach_client(client);
 	kfree(s->buffer);
 	kfree(s);
 	return 0;
 }
 
-static int saa6588_command(struct i2c_client *client, unsigned int cmd,
-							void *arg)
-{
-	struct saa6588 *s = i2c_get_clientdata(client);
-	struct rds_command *a = (struct rds_command *)arg;
-
-	switch (cmd) {
-		/* --- open() for /dev/radio --- */
-	case RDS_CMD_OPEN:
-		a->result = 0;	/* return error if chip doesn't work ??? */
-		break;
-		/* --- close() for /dev/radio --- */
-	case RDS_CMD_CLOSE:
-		s->data_available_for_read = 1;
-		wake_up_interruptible(&s->read_queue);
-		a->result = 0;
-		break;
-		/* --- read() for /dev/radio --- */
-	case RDS_CMD_READ:
-		read_from_buf(s, a);
-		break;
-		/* --- poll() for /dev/radio --- */
-	case RDS_CMD_POLL:
-		a->result = 0;
-		if (s->data_available_for_read) {
-			a->result |= POLLIN | POLLRDNORM;
-		}
-		poll_wait(a->instance, &s->read_queue, a->event_list);
-		break;
-
-	default:
-		/* nothing */
-		break;
-	}
-	return 0;
-}
-
 /* ----------------------------------------------------------------------- */
 
-static struct i2c_driver driver = {
-	.driver = {
-		.name = "saa6588",
-	},
-	.id = -1,		/* FIXME */
-	.attach_adapter = saa6588_probe,
-	.detach_client = saa6588_detach,
-	.command = saa6588_command,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
+static const struct i2c_device_id saa6588_id[] = {
+	{ "saa6588", 0 },
+	{ }
 };
+MODULE_DEVICE_TABLE(i2c, saa6588_id);
 
-static struct i2c_client client_template = {
+#endif
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
 	.name = "saa6588",
-	.driver = &driver,
+	.command = saa6588_command,
+	.probe = saa6588_probe,
+	.remove = saa6588_remove,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
+	.id_table = saa6588_id,
+#endif
 };
-
-static int __init saa6588_init_module(void)
-{
-	return i2c_add_driver(&driver);
-}
-
-static void __exit saa6588_cleanup_module(void)
-{
-	i2c_del_driver(&driver);
-}
-
-module_init(saa6588_init_module);
-module_exit(saa6588_cleanup_module);
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
diff --git a/linux/include/media/v4l2-chip-ident.h b/linux/include/media/v4l2-chip-ident.h
index 4e2182e52..bbe2bb6a5 100644
--- a/linux/include/media/v4l2-chip-ident.h
+++ b/linux/include/media/v4l2-chip-ident.h
@@ -92,6 +92,9 @@ enum {
 	/* module tea6420: just ident 6420 */
 	V4L2_IDENT_TEA6420 = 6420,
 
+	/* module saa6588: just ident 6588 */
+	V4L2_IDENT_SAA6588 = 6588,
+
 	/* module saa6752hs: reserved range 6750-6759 */
 	V4L2_IDENT_SAA6752HS = 6752,
 	V4L2_IDENT_SAA6752HS_AC3 = 6753,