diff options
| author | Antti Palosaari | 2010-09-13 01:48:58 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2010-10-21 05:05:52 +0200 |
| commit | 9b22edd4b0f3520bc1279338d52dc63e76852bef (patch) | |
| tree | 09ff3b882f3bc07fb838570df1b4268f84266871 /drivers/media/dvb/frontends/af9013_priv.h | |
| parent | V4L/DVB: af9015: reimplement remote controller (diff) | |
| download | kernel-qcow2-linux-9b22edd4b0f3520bc1279338d52dc63e76852bef.tar.gz kernel-qcow2-linux-9b22edd4b0f3520bc1279338d52dc63e76852bef.tar.xz kernel-qcow2-linux-9b22edd4b0f3520bc1279338d52dc63e76852bef.zip | |
V4L/DVB: af9013: optimize code size
Optimize af9013_set_coeff(). Move configuration values to own table.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends/af9013_priv.h')
| -rw-r--r-- | drivers/media/dvb/frontends/af9013_priv.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/af9013_priv.h b/drivers/media/dvb/frontends/af9013_priv.h index 54ebf87551a2..fc9a32d9e632 100644 --- a/drivers/media/dvb/frontends/af9013_priv.h +++ b/drivers/media/dvb/frontends/af9013_priv.h @@ -60,6 +60,49 @@ struct snr_table { u8 snr; }; +struct coeff { + u32 adc_clock; + fe_bandwidth_t bw; + u32 ns_coeff1_2048nu; + u32 ns_coeff1_8191nu; + u32 ns_coeff1_8192nu; + u32 ns_coeff1_8193nu; + u32 ns_coeff2_2k; + u32 ns_coeff2_8k; +}; + +/* coeff lookup table */ +static struct coeff coeff_table[] = { + /* 28.800 MHz */ + { 28800, BANDWIDTH_6_MHZ, 0x01e79e7a, 0x0079eb6e, 0x0079e79e, + 0x0079e3cf, 0x00f3cf3d, 0x003cf3cf }, + { 28800, BANDWIDTH_7_MHZ, 0x0238e38e, 0x008e3d55, 0x008e38e4, + 0x008e3472, 0x011c71c7, 0x00471c72 }, + { 28800, BANDWIDTH_8_MHZ, 0x028a28a3, 0x00a28f3d, 0x00a28a29, + 0x00a28514, 0x01451451, 0x00514514 }, + /* 20.480 MHz */ + { 20480, BANDWIDTH_6_MHZ, 0x02adb6dc, 0x00ab7313, 0x00ab6db7, + 0x00ab685c, 0x0156db6e, 0x0055b6dc }, + { 20480, BANDWIDTH_7_MHZ, 0x03200001, 0x00c80640, 0x00c80000, + 0x00c7f9c0, 0x01900000, 0x00640000 }, + { 20480, BANDWIDTH_8_MHZ, 0x03924926, 0x00e4996e, 0x00e49249, + 0x00e48b25, 0x01c92493, 0x00724925 }, + /* 28.000 MHz */ + { 28000, BANDWIDTH_6_MHZ, 0x01f58d10, 0x007d672f, 0x007d6344, + 0x007d5f59, 0x00fac688, 0x003eb1a2 }, + { 28000, BANDWIDTH_7_MHZ, 0x02492492, 0x00924db7, 0x00924925, + 0x00924492, 0x01249249, 0x00492492 }, + { 28000, BANDWIDTH_8_MHZ, 0x029cbc15, 0x00a7343f, 0x00a72f05, + 0x00a729cc, 0x014e5e0a, 0x00539783 }, + /* 25.000 MHz */ + { 25000, BANDWIDTH_6_MHZ, 0x0231bcb5, 0x008c7391, 0x008c6f2d, + 0x008c6aca, 0x0118de5b, 0x00463797 }, + { 25000, BANDWIDTH_7_MHZ, 0x028f5c29, 0x00a3dc29, 0x00a3d70a, + 0x00a3d1ec, 0x0147ae14, 0x0051eb85 }, + { 25000, BANDWIDTH_8_MHZ, 0x02ecfb9d, 0x00bb44c1, 0x00bb3ee7, + 0x00bb390d, 0x01767dce, 0x005d9f74 }, +}; + /* QPSK SNR lookup table */ static struct snr_table qpsk_snr_table[] = { { 0x0b4771, 0 }, |