static int rt_setfreq(struct rtrack *rt, unsigned long freq)
{
int i;
mutex_lock(&rt->lock); /* Stop other ops interfering */
rt->curfreq = freq;
/* now uses VIDEO_TUNER_LOW for fine tuning */
freq += 171200; /* Add 10.7 MHz IF */
freq /= 800; /* Convert to 50 kHz units */
send_0_byte(rt); /* 0: LSB of frequency */
for (i = 0; i < 13; i++) /* : frequency bits (1-13) */
if (freq & (1 << i))
send_1_byte(rt);
else
send_0_byte(rt);
send_0_byte(rt); /* 14: test bit - always 0 */
send_0_byte(rt); /* 15: test bit - always 0 */
send_0_byte(rt); /* 16: band data 0 - always 0 */
send_0_byte(rt); /* 17: band data 1 - always 0 */
send_0_byte(rt); /* 18: band data 2 - always 0 */
send_0_byte(rt); /* 19: time base - always 0 */
send_0_byte(rt); /* 20: spacing (0 = 25 kHz) */
send_1_byte(rt); /* 21: spacing (1 = 25 kHz) */
send_0_byte(rt); /* 22: spacing (0 = 25 kHz) */
send_1_byte(rt); /* 23: AM/FM (FM = 1, always) */
if (rt->curvol == 0 || rt->muted)
outb(0xd0, rt->io); /* volume steady + sigstr */
else
outb(0xd8, rt->io); /* volume steady + sigstr + on */
mutex_unlock(&rt->lock);
return 0;
}
static int rt_setfreq(struct rtrack *rt, unsigned long freq)
{
int i;
mutex_lock(&rt->lock);
rt->curfreq = freq;
freq += 171200;
freq /= 800;
send_0_byte(rt);
for (i = 0; i < 13; i++)
if (freq & (1 << i))
send_1_byte(rt);
else
send_0_byte(rt);
send_0_byte(rt);
send_0_byte(rt);
send_0_byte(rt);
send_0_byte(rt);
send_0_byte(rt);
send_0_byte(rt);
send_0_byte(rt);
send_1_byte(rt);
send_0_byte(rt);
send_1_byte(rt);
if (rt->curvol == 0 || rt->muted)
outb(0xd0, rt->io);
else
outb(0xd8, rt->io);
mutex_unlock(&rt->lock);
return 0;
}
static int rt_setfreq(struct rt_device *dev, unsigned long freq)
{
int i;
/* adapted from radio-aztech.c */
/* now uses VIDEO_TUNER_LOW for fine tuning */
freq += 171200; /* Add 10.7 MHz IF */
freq /= 800; /* Convert to 50 kHz units */
mutex_lock(&lock); /* Stop other ops interfering */
send_0_byte (io, dev); /* 0: LSB of frequency */
for (i = 0; i < 13; i++) /* : frequency bits (1-13) */
if (freq & (1 << i))
send_1_byte (io, dev);
else
send_0_byte (io, dev);
send_0_byte (io, dev); /* 14: test bit - always 0 */
send_0_byte (io, dev); /* 15: test bit - always 0 */
send_0_byte (io, dev); /* 16: band data 0 - always 0 */
send_0_byte (io, dev); /* 17: band data 1 - always 0 */
send_0_byte (io, dev); /* 18: band data 2 - always 0 */
send_0_byte (io, dev); /* 19: time base - always 0 */
send_0_byte (io, dev); /* 20: spacing (0 = 25 kHz) */
send_1_byte (io, dev); /* 21: spacing (1 = 25 kHz) */
send_0_byte (io, dev); /* 22: spacing (0 = 25 kHz) */
send_1_byte (io, dev); /* 23: AM/FM (FM = 1, always) */
if ((dev->curvol == 0) || (dev->muted))
outb (0xd0, io); /* volume steady + sigstr */
else
outb (0xd8, io); /* volume steady + sigstr + on */
mutex_unlock(&lock);
return 0;
}
static int aztech_s_frequency(struct radio_isa_card *isa, u32 freq)
{
struct aztech *az = container_of(isa, struct aztech, isa);
int i;
freq += 171200;
freq /= 800;
send_0_byte(az);
for (i = 0; i < 13; i++)
if (freq & (1 << i))
send_1_byte(az);
else
send_0_byte(az);
send_0_byte(az);
send_0_byte(az);
send_0_byte(az);
if (isa->stereo)
send_1_byte(az);
else
send_0_byte(az);
send_1_byte(az);
send_0_byte(az);
send_0_byte(az);
send_1_byte(az);
send_0_byte(az);
send_1_byte(az);
udelay(radio_wait_time);
outb_p(128 + 64 + az->curvol, az->isa.io);
return 0;
}
static int aztech_s_frequency(struct radio_isa_card *isa, u32 freq)
{
struct aztech *az = container_of(isa, struct aztech, isa);
int i;
freq += 171200; /* Add 10.7 MHz IF */
freq /= 800; /* Convert to 50 kHz units */
send_0_byte(az); /* 0: LSB of frequency */
for (i = 0; i < 13; i++) /* : frequency bits (1-13) */
if (freq & (1 << i))
send_1_byte(az);
else
send_0_byte(az);
send_0_byte(az); /* 14: test bit - always 0 */
send_0_byte(az); /* 15: test bit - always 0 */
send_0_byte(az); /* 16: band data 0 - always 0 */
if (isa->stereo) /* 17: stereo (1 to enable) */
send_1_byte(az);
else
send_0_byte(az);
send_1_byte(az); /* 18: band data 1 - unknown */
send_0_byte(az); /* 19: time base - always 0 */
send_0_byte(az); /* 20: spacing (0 = 25 kHz) */
send_1_byte(az); /* 21: spacing (1 = 25 kHz) */
send_0_byte(az); /* 22: spacing (0 = 25 kHz) */
send_1_byte(az); /* 23: AM/FM (FM = 1, always) */
/* latch frequency */
udelay(radio_wait_time);
outb_p(128 + 64 + az->curvol, az->isa.io);
return 0;
}
