iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[media] radio-sf16fmi: Use LM7000 driver

Browse Source 
Convert radio-sf16fmi to use generic LM7000 driver.
Tested with SF16-FMI, SF16-FMP and SF16-FMD.

radio.");
@@ -48,37 +50,40 @@ struct fmi
 	bool mute;
 	unsigned long curfreq; /* freq in kHz */
 	struct mutex lock;
+	struct lm7000 lm;
 };

 static struct fmi fmi_card;
 static struct pnp_dev *dev;
 bool pnp_attached;

-/* freq is in 1/16 kHz to internal number, hw precision is 50 kHz */
-/* It is only useful to give freq in interval of 800 (=0.05Mhz),
- * other bits will be truncated, e.g 92.7400016 -> 92.7, but
- * 92.7400017 -> 92.75
- */
-#define RSF16_ENCODE(x)	((x) / 800 + 214)
 #define RSF16_MINFREQ (87 * 16000)
 #define RSF16_MAXFREQ (108 * 16000)

-static void outbits(int bits, unsigned int data, int io)
+#define FMI_BIT_TUN_CE		(1 << 0)
+#define FMI_BIT_TUN_CLK		(1 << 1)
+#define FMI_BIT_TUN_DATA	(1 << 2)
+#define FMI_BIT_VOL_SW		(1 << 3)
+#define FMI_BIT_TUN_STRQ	(1 << 4)
+
+void fmi_set_pins(struct lm7000 *lm, u8 pins)
 {
-	while (bits--) {
-		if (data & 1) {
-			outb(5, io);
-			udelay(6);
-			outb(7, io);
-			udelay(6);
-		} else {
-			outb(1, io);
-			udelay(6);
-			outb(3, io);
-			udelay(6);
-		}
-		data >>= 1;
-	}

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Ondrej Zary 2012-06-12 14:38:07 -03:00 committed by Mauro Carvalho Chehab
parent bece083a6b
commit 1e70a6cf7e
2 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/media/radio/Kconfig
View File

@ -193,8 +193,8 @@ config RADIO_CADET
config RADIO_LM7000
tristate
depends on RADIO_RTRACK
default RADIO_RTRACK
depends on RADIO_RTRACK || RADIO_SF16FMI
default RADIO_RTRACK || RADIO_SF16FMI
config RADIO_RTRACK
tristate "AIMSlab RadioTrack (aka RadioReveal) support"
@ -328,6 +328,7 @@ config RADIO_MIROPCM20
config RADIO_SF16FMI
tristate "SF16-FMI/SF16-FMP/SF16-FMD Radio"
depends on ISA && VIDEO_V4L2
select RADIO_LM7000
---help---
Choose Y here if you have one of these FM radio cards.

2
drivers/media/radio/radio-sf16fmi.c
View File

@ -27,6 +27,8 @@
#include <linux/io.h> /* outb, outb_p */
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-ctrls.h>
#include "lm7000.h"
MODULE_AUTHOR("Petr Vandrovec, vandrove@vc.cvut.cz and M. Kirkwood");
MODULE_DESCRIPTION("A driver for the SF16-FMI, SF16-FMP and SF16-FMD radio.");