diff options
| author | Ondrej Zary <linux@rainbow-software.org> | 2012-06-12 14:37:54 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-06-21 12:12:03 -0300 |
| commit | 4ecbb69414c61af3594209e081d6e834ea68a16d (patch) | |
| tree | 3af05249ef46680174185336c5dd200d724eb511 /drivers/media/radio/lm7000.h | |
| parent | 61bdbef063d2300f706133e677c61a1bec097ff8 (diff) | |
[media] radio: Add Sanyo LM7000 tuner driver
Add very simple driver for Sanyo LM7000 AM/FM tuner chip. Only FM is supported
as there is no known HW with AM implemented.
This will be used by radio-aimslab and radio-sf16fmi.
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>
Diffstat (limited to 'drivers/media/radio/lm7000.h')
| -rw-r--r-- | drivers/media/radio/lm7000.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/media/radio/lm7000.h b/drivers/media/radio/lm7000.h new file mode 100644 index 00000000000..a5bc7d632f1 --- /dev/null +++ b/drivers/media/radio/lm7000.h @@ -0,0 +1,32 @@ +#ifndef __LM7000_H +#define __LM7000_H + +#define LM7000_DATA (1 << 0) +#define LM7000_CLK (1 << 1) +#define LM7000_CE (1 << 2) + +#define LM7000_FREQ_MASK 0x3fff +#define LM7000_BIT_T0 (1 << 14) +#define LM7000_BIT_T1 (1 << 15) +#define LM7000_BIT_B0 (1 << 16) +#define LM7000_BIT_B1 (1 << 17) +#define LM7000_BIT_B2 (1 << 18) +#define LM7000_BIT_TB (1 << 19) +#define LM7000_FM_100 (0 << 20) +#define LM7000_FM_50 (1 << 20) +#define LM7000_FM_25 (2 << 20) +#define LM7000_AM_5 (3 << 20) +#define LM7000_AM_10 (4 << 20) +#define LM7000_AM_9 (5 << 20) +#define LM7000_AM_1 (6 << 20) +#define LM7000_AM_5_ (7 << 20) +#define LM7000_BIT_FM (1 << 23) + + +struct lm7000 { + void (*set_pins)(struct lm7000 *lm, u8 pins); +}; + +void lm7000_set_freq(struct lm7000 *lm, u32 freq); + +#endif /* __LM7000_H */ |