Hi,
The hvr-950q can't tune any qam64 channels, because it uses the qam256
modulation table for both qam64/256. This patch adds the qam64
modulation table to the au8522 driver. I got the numbers from sniffing
the windows driver so I can't be sure they're correct, but it 'works
for me'.
Frank
Signed-off-by: Frank Dischner <phaedrus961@xxxxxxxxx>
--- linux/drivers/media/dvb/frontends/au8522.c.orig 2008-12-05
09:10:41.000000000 -0700
+++ linux/drivers/media/dvb/frontends/au8522.c 2008-12-05
09:54:29.000000000 -0700
@@ -377,11 +377,90 @@ static struct {
{ 0x8231, 0x13 },
};
-/* QAM Modulation table */
+/* QAM64 Modulation table */
static struct {
u16 reg;
u16 data;
-} QAM_mod_tab[] = {
+} QAM64_mod_tab[] = {
+ { 0x80a3, 0x09 },
+ { 0x80a4, 0x00 },
+ { 0x8081, 0xc4 },
+ { 0x80a5, 0x40 },
+ { 0x80aa, 0x77 },
+ { 0x80ad, 0x77 },
+ { 0x80a6, 0x67 },
+ { 0x8262, 0x20 },
+ { 0x821c, 0x30 },
+ { 0x80b8, 0x3e },
+ { 0x80b9, 0xf0 },
+ { 0x80ba, 0x01 },
+ { 0x80bb, 0x18 },
+ { 0x80bc, 0x50 },
+ { 0x80bd, 0x00 },
+ { 0x80be, 0xea },
+ { 0x80bf, 0xef },
+ { 0x80c0, 0xfc },
+ { 0x80c1, 0xbd },
+ { 0x80c2, 0x1f },
+ { 0x80c3, 0xfc },
+ { 0x80c4, 0xdd },
+ { 0x80c5, 0xaf },
+ { 0x80c6, 0x00 },
+ { 0x80c7, 0x38 },
+ { 0x80c8, 0x30 },
+ { 0x80c9, 0x05 },
+ { 0x80ca, 0x4a },
+ { 0x80cb, 0xd0 },
+ { 0x80cc, 0x01 },
+ { 0x80cd, 0xd9 },
+ { 0x80ce, 0x6f },
+ { 0x80cf, 0xf9 },
+ { 0x80d0, 0x70 },
+ { 0x80d1, 0xdf },
+ { 0x80d2, 0xf7 },
+ { 0x80d3, 0xc2 },
+ { 0x80d4, 0xdf },
+ { 0x80d5, 0x02 },
+ { 0x80d6, 0x9a },
+ { 0x80d7, 0xd0 },
+ { 0x8250, 0x0d },
+ { 0x8251, 0xcd },
+ { 0x8252, 0xe0 },
+ { 0x8253, 0x05 },
+ { 0x8254, 0xa7 },
+ { 0x8255, 0xff },
+ { 0x8256, 0xed },
+ { 0x8257, 0x5b },
+ { 0x8258, 0xae },
+ { 0x8259, 0xe6 },
+ { 0x825a, 0x3d },
+ { 0x825b, 0x0f },
+ { 0x825c, 0x0d },
+ { 0x825d, 0xea },
+ { 0x825e, 0xf2 },
+ { 0x825f, 0x51 },
+ { 0x8260, 0xf5 },
+ { 0x8261, 0x06 },
+ { 0x821a, 0x00 },
+ { 0x8546, 0x40 },
+ { 0x8210, 0xc7 },
+ { 0x8211, 0xaa },
+ { 0x8212, 0xab },
+ { 0x8213, 0x02 },
+ { 0x8502, 0x00 },
+ { 0x8121, 0x04 },
+ { 0x8122, 0x04 },
+ { 0x852e, 0x10 },
+ { 0x80a4, 0xca },
+ { 0x80a7, 0x40 },
+ { 0x8526, 0x01 },
+};
+
+/* QAM256 Modulation table */
+static struct {
+ u16 reg;
+ u16 data;
+} QAM256_mod_tab[] = {
{ 0x80a3, 0x09 },
{ 0x80a4, 0x00 },
{ 0x8081, 0xc4 },
@@ -474,12 +553,19 @@ static int au8522_enable_modulation(stru
au8522_set_if(fe, state->config->vsb_if);
break;
case QAM_64:
+ dprintk("%s() QAM 64\n", __func__);
+ for (i = 0; i < ARRAY_SIZE(QAM64_mod_tab); i++)
+ au8522_writereg(state,
+ QAM64_mod_tab[i].reg,
+ QAM64_mod_tab[i].data);
+ au8522_set_if(fe, state->config->qam_if);
+ break;
case QAM_256:
- dprintk("%s() QAM 64/256\n", __func__);
- for (i = 0; i < ARRAY_SIZE(QAM_mod_tab); i++)
+ dprintk("%s() QAM 256\n", __func__);
+ for (i = 0; i < ARRAY_SIZE(QAM256_mod_tab); i++)
au8522_writereg(state,
- QAM_mod_tab[i].reg,
- QAM_mod_tab[i].data);
+ QAM256_mod_tab[i].reg,
+ QAM256_mod_tab[i].data);
au8522_set_if(fe, state->config->qam_if);
break;
default:
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