[media] radio-sf16fmi: Use LM7000 driver

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

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 25 insertions, 36 deletions

diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c
index a81d723b8c7..8185d5fbfa8 100644
--- a/drivers/media/radio/radio-sf16fmi.c
+++ b/drivers/media/radio/radio-sf16fmi.c
@@ -27,6 +27,7 @@
 #include <linux/io.h>           /* outb, outb_p                 */
 #include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.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.");
@@ -54,31 +55,33 @@ 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(void *handle, 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;
-        }
+        struct fmi *fmi = handle;
+        u8 bits = FMI_BIT_TUN_STRQ;
+
+        if (!fmi->mute)
+                bits |= FMI_BIT_VOL_SW;
+
+        if (pins & LM7000_DATA)
+                bits |= FMI_BIT_TUN_DATA;
+        if (pins & LM7000_CLK)
+                bits |= FMI_BIT_TUN_CLK;
+        if (pins & LM7000_CE)
+                bits |= FMI_BIT_TUN_CE;
+
+        mutex_lock(&fmi->lock);
+        outb_p(bits, fmi->io);
+        mutex_unlock(&fmi->lock);
 }
 
 static inline void fmi_mute(struct fmi *fmi)
@@ -95,20 +98,6 @@ static inline void fmi_unmute(struct fmi *fmi)
         mutex_unlock(&fmi->lock);
 }
 
-static inline int fmi_setfreq(struct fmi *fmi, unsigned long freq)
-{
-        mutex_lock(&fmi->lock);
-        fmi->curfreq = freq;
-
-        outbits(16, RSF16_ENCODE(freq), fmi->io);
-        outbits(8, 0xC0, fmi->io);
-        msleep(143);            /* was schedule_timeout(HZ/7) */
-        mutex_unlock(&fmi->lock);
-        if (!fmi->mute)
-                fmi_unmute(fmi);
-        return 0;
-}
-
 static inline int fmi_getsigstr(struct fmi *fmi)
 {
         int val;
@@ -173,7 +162,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
                 return -EINVAL;
         /* rounding in steps of 800 to match the freq
            that will be used */
-        fmi_setfreq(fmi, (f->frequency / 800) * 800);
+        lm7000_set_freq((f->frequency / 800) * 800, fmi, fmi_set_pins);
         return 0;
 }