V4L/DVB (7632): au8522: Added SNR support and basic cleanup

au8522: Added SNR support and basic cleanup Signed-off-by: Steven Toth <stoth@hauppauge.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
author: Steven Toth <stoth@hauppauge.com> 2008-04-10 01:01:48 -0400
committer: Mauro Carvalho Chehab <mchehab@infradead.org> 2008-04-24 13:09:43 -0400
commit: f01699b482875bf224a907a45d58e8e3739d554b (patch)
tree: 80639537eb911dd92d9dcb9c86c90ff6c0f23f60 /drivers/media/dvb/frontends
parent: fb8152cb01dc2bca04a6ee561920d0a02af6c73b (diff)
1 files changed, 382 insertions, 129 deletions
diff --git a/drivers/media/dvb/frontends/au8522.c b/drivers/media/dvb/frontends/au8522.c
index d445cf1e02be..fa3e6abdfa6e 100644
--- a/drivers/media/dvb/frontends/au8522.c
+++ b/drivers/media/dvb/frontends/au8522.c
@@ -96,129 +96,388 @@ static int au8522_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
                return au8522_writereg(state, 0x106, 0);
 }
+/* VSB SNR lookup table */
+static struct {
+        u16 val;
+        u16 data;
+} vsb_mse2snr_tab[] = {
+        {   0, 270 },
+        {   2, 250 },
+        {   3, 240 },
+        {   5, 230 },
+        {   7, 220 },
+        {   9, 210 },
+        {  12, 200 },
+        {  13, 195 },
+        {  15, 190 },
+        {  17, 185 },
+        {  19, 180 },
+        {  21, 175 },
+        {  24, 170 },
+        {  27, 165 },
+        {  31, 160 },
+        {  32, 158 },
+        {  33, 156 },
+        {  36, 152 },
+        {  37, 150 },
+        {  39, 148 },
+        {  40, 146 },
+        {  41, 144 },
+        {  43, 142 },
+        {  44, 140 },
+        {  48, 135 },
+        {  50, 130 },
+        {  43, 142 },
+        {  53, 125 },
+        {  56, 120 },
+        { 256, 115 },
+};
+/* QAM64 SNR lookup table */
+static struct {
+        u16 val;
+        u16 data;
+} qam64_mse2snr_tab[] = {
+        {  15,   0 },
+        {  16, 290 },
+        {  17, 288 },
+        {  18, 286 },
+        {  19, 284 },
+        {  20, 282 },
+        {  21, 281 },
+        {  22, 279 },
+        {  23, 277 },
+        {  24, 275 },
+        {  25, 273 },
+        {  26, 271 },
+        {  27, 269 },
+        {  28, 268 },
+        {  29, 266 },
+        {  30, 264 },
+        {  31, 262 },
+        {  32, 260 },
+        {  33, 259 },
+        {  34, 258 },
+        {  35, 256 },
+        {  36, 255 },
+        {  37, 254 },
+        {  38, 252 },
+        {  39, 251 },
+        {  40, 250 },
+        {  41, 249 },
+        {  42, 248 },
+        {  43, 246 },
+        {  44, 245 },
+        {  45, 244 },
+        {  46, 242 },
+        {  47, 241 },
+        {  48, 240 },
+        {  50, 239 },
+        {  51, 238 },
+        {  53, 237 },
+        {  54, 236 },
+        {  56, 235 },
+        {  57, 234 },
+        {  59, 233 },
+        {  60, 232 },
+        {  62, 231 },
+        {  63, 230 },
+        {  65, 229 },
+        {  67, 228 },
+        {  68, 227 },
+        {  70, 226 },
+        {  71, 225 },
+        {  73, 224 },
+        {  74, 223 },
+        {  76, 222 },
+        {  78, 221 },
+        {  80, 220 },
+        {  82, 219 },
+        {  85, 218 },
+        {  88, 217 },
+        {  90, 216 },
+        {  92, 215 },
+        {  93, 214 },
+        {  94, 212 },
+        {  95, 211 },
+        {  97, 210 },
+        {  99, 209 },
+        { 101, 208 },
+        { 102, 207 },
+        { 104, 206 },
+        { 107, 205 },
+        { 111, 204 },
+        { 114, 203 },
+        { 118, 202 },
+        { 122, 201 },
+        { 125, 200 },
+        { 128, 199 },
+        { 130, 198 },
+        { 132, 197 },
+        { 256, 190 },
+};
+/* QAM256 SNR lookup table */
+static struct {
+        u16 val;
+        u16 data;
+} qam256_mse2snr_tab[] = {
+        {  16,   0 },
+        {  17, 400 },
+        {  18, 398 },
+        {  19, 396 },
+        {  20, 394 },
+        {  21, 392 },
+        {  22, 390 },
+        {  23, 388 },
+        {  24, 386 },
+        {  25, 384 },
+        {  26, 382 },
+        {  27, 380 },
+        {  28, 379 },
+        {  29, 378 },
+        {  30, 377 },
+        {  31, 376 },
+        {  32, 375 },
+        {  33, 374 },
+        {  34, 373 },
+        {  35, 372 },
+        {  36, 371 },
+        {  37, 370 },
+        {  38, 362 },
+        {  39, 354 },
+        {  40, 346 },
+        {  41, 338 },
+        {  42, 330 },
+        {  43, 328 },
+        {  44, 326 },
+        {  45, 324 },
+        {  46, 322 },
+        {  47, 320 },
+        {  48, 319 },
+        {  49, 318 },
+        {  50, 317 },
+        {  51, 316 },
+        {  52, 315 },
+        {  53, 314 },
+        {  54, 313 },
+        {  55, 312 },
+        {  56, 311 },
+        {  57, 310 },
+        {  58, 308 },
+        {  59, 306 },
+        {  60, 304 },
+        {  61, 302 },
+        {  62, 300 },
+        {  63, 298 },
+        {  65, 295 },
+        {  68, 294 },
+        {  70, 293 },
+        {  73, 292 },
+        {  76, 291 },
+        {  78, 290 },
+        {  79, 289 },
+        {  81, 288 },
+        {  82, 287 },
+        {  83, 286 },
+        {  84, 285 },
+        {  85, 284 },
+        {  86, 283 },
+        {  88, 282 },
+        {  89, 281 },
+        { 256, 280 },
+};
+static int au8522_vsb_mse2snr_lookup(int mse, u16 *snr)
+{
+        int i, ret = -EINVAL;
+        dprintk("%s()\n", __func__);
+        for (i = 0; i < ARRAY_SIZE(vsb_mse2snr_tab); i++) {
+                if (mse < vsb_mse2snr_tab[i].val) {
+                        *snr = vsb_mse2snr_tab[i].data;
+                        ret = 0;
+                        break;
+                }
+        }
+        dprintk("%s() snr=%d\n", __func__, *snr);
+        return ret;
+}
+static int au8522_qam64_mse2snr_lookup(int mse, u16 *snr)
+{
+        int i, ret = -EINVAL;
+        dprintk("%s()\n", __func__);
+        for (i = 0; i < ARRAY_SIZE(qam64_mse2snr_tab); i++) {
+                if (mse < qam64_mse2snr_tab[i].val) {
+                        *snr = qam64_mse2snr_tab[i].data;
+                        ret = 0;
+                        break;
+                }
+        }
+        dprintk("%s() snr=%d\n", __func__, *snr);
+        return ret;
+}
+static int au8522_qam256_mse2snr_lookup(int mse, u16 *snr)
+{
+        int i, ret = -EINVAL;
+        dprintk("%s()\n", __func__);
+        for (i = 0; i < ARRAY_SIZE(qam256_mse2snr_tab); i++) {
+                if (mse < qam256_mse2snr_tab[i].val) {
+                        *snr = qam256_mse2snr_tab[i].data;
+                        ret = 0;
+                        break;
+                }
+        }
+        dprintk("%s() snr=%d\n", __func__, *snr);
+        return ret;
+}
+/* VSB Modulation table */
+static struct {
+        u16 reg;
+        u16 data;
+} VSB_mod_tab[] = {
+        { 0x8090, 0x84 },
+        { 0x4092, 0x11 },
+        { 0x2005, 0x00 },
+        { 0x8091, 0x80 },
+        { 0x80a3, 0x0c },
+        { 0x80a4, 0xe8 },
+        { 0x8081, 0xc4 },
+        { 0x80a5, 0x40 },
+        { 0x80a7, 0x40 },
+        { 0x80a6, 0x67 },
+        { 0x8262, 0x20 },
+        { 0x821c, 0x30 },
+        { 0x80d8, 0x1a },
+        { 0x8227, 0xa0 },
+        { 0x8121, 0xff },
+        { 0x80a8, 0xf0 },
+        { 0x80a9, 0x05 },
+        { 0x80aa, 0x77 },
+        { 0x80ab, 0xf0 },
+        { 0x80ac, 0x05 },
+        { 0x80ad, 0x77 },
+        { 0x80ae, 0x41 },
+        { 0x80af, 0x66 },
+        { 0x821b, 0xcc },
+        { 0x821d, 0x80 },
+        { 0x80b5, 0xfb },
+        { 0x80b6, 0x8e },
+        { 0x80b7, 0x39 },
+        { 0x80a4, 0xe8 },
+        { 0x8231, 0x13 },
+};
+/* QAM Modulation table */
+static struct {
+        u16 reg;
+        u16 data;
+} QAM_mod_tab[] = {
+        { 0x80a3, 0x09 },
+        { 0x80a4, 0x00 },
+        { 0x8081, 0xc4 },
+        { 0x80a5, 0x40 },
+        { 0x80b5, 0xfb },
+        { 0x80b6, 0x8e },
+        { 0x80b7, 0x39 },
+        { 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, 0x26 },
+        { 0x8211, 0xf6 },
+        { 0x8212, 0x84 },
+        { 0x8213, 0x02 },
+        { 0x8502, 0x01 },
+        { 0x8121, 0x04 },
+        { 0x8122, 0x04 },
+        { 0x852e, 0x10 },
+        { 0x80a4, 0xca },
+        { 0x80a7, 0x40 },
+        { 0x8526, 0x01 },
+};
 static int au8522_enable_modulation(struct dvb_frontend *fe,
                                    fe_modulation_t m)
 {
        struct au8522_state *state = fe->demodulator_priv;
+        int i;
        dprintk("%s(0x%08x)\n", __func__, m);
        switch(m) {
        case VSB_8:
                dprintk("%s() VSB_8\n", __func__);
+                for (i = 0; i < ARRAY_SIZE(VSB_mod_tab); i++)
-                //au8522_writereg(state, 0x410b, 0x84); // Serial
+                        au8522_writereg(state,
+                                VSB_mod_tab[i].reg,
-                //au8522_writereg(state, 0x8090, 0x82);
+                                VSB_mod_tab[i].data);
-                au8522_writereg(state, 0x8090, 0x84);
-                au8522_writereg(state, 0x4092, 0x11);
-                au8522_writereg(state, 0x2005, 0x00);
-                au8522_writereg(state, 0x8091, 0x80);
-                au8522_writereg(state, 0x80a3, 0x0c);
-                au8522_writereg(state, 0x80a4, 0xe8);
-                au8522_writereg(state, 0x8081, 0xc4);
-                au8522_writereg(state, 0x80a5, 0x40);
-                au8522_writereg(state, 0x80a7, 0x40);
-                au8522_writereg(state, 0x80a6, 0x67);
-                au8522_writereg(state, 0x8262, 0x20);
-                au8522_writereg(state, 0x821c, 0x30);
-                au8522_writereg(state, 0x80d8, 0x1a);
-                au8522_writereg(state, 0x8227, 0xa0);
-                au8522_writereg(state, 0x8121, 0xff);
-                au8522_writereg(state, 0x80a8, 0xf0);
-                au8522_writereg(state, 0x80a9, 0x05);
-                au8522_writereg(state, 0x80aa, 0x77);
-                au8522_writereg(state, 0x80ab, 0xf0);
-                au8522_writereg(state, 0x80ac, 0x05);
-                au8522_writereg(state, 0x80ad, 0x77);
-                au8522_writereg(state, 0x80ae, 0x41);
-                au8522_writereg(state, 0x80af, 0x66);
-                au8522_writereg(state, 0x821b, 0xcc);
-                au8522_writereg(state, 0x821d, 0x80);
-                au8522_writereg(state, 0x80b5, 0xfb);
-                au8522_writereg(state, 0x80b6, 0x8e);
-                au8522_writereg(state, 0x80b7, 0x39);
-                au8522_writereg(state, 0x80a4, 0xe8);
-                au8522_writereg(state, 0x8231, 0x13);
                break;
        case QAM_64:
        case QAM_256:
-                au8522_writereg(state, 0x80a3, 0x09);
+                dprintk("%s() QAM 64/256\n", __func__);
-                au8522_writereg(state, 0x80a4, 0x00);
+                for (i = 0; i < ARRAY_SIZE(QAM_mod_tab); i++)
-                au8522_writereg(state, 0x8081, 0xc4);
+                        au8522_writereg(state,
-                au8522_writereg(state, 0x80a5, 0x40);
+                                QAM_mod_tab[i].reg,
-                au8522_writereg(state, 0x80b5, 0xfb);
+                                QAM_mod_tab[i].data);
-                au8522_writereg(state, 0x80b6, 0x8e);
-                au8522_writereg(state, 0x80b7, 0x39);
-                au8522_writereg(state, 0x80aa, 0x77);
-                au8522_writereg(state, 0x80ad, 0x77);
-                au8522_writereg(state, 0x80a6, 0x67);
-                au8522_writereg(state, 0x8262, 0x20);
-                au8522_writereg(state, 0x821c, 0x30);
-                au8522_writereg(state, 0x80b8, 0x3e);
-                au8522_writereg(state, 0x80b9, 0xf0);
-                au8522_writereg(state, 0x80ba, 0x01);
-                au8522_writereg(state, 0x80bb, 0x18);
-                au8522_writereg(state, 0x80bc, 0x50);
-                au8522_writereg(state, 0x80bd, 0x00);
-                au8522_writereg(state, 0x80be, 0xea);
-                au8522_writereg(state, 0x80bf, 0xef);
-                au8522_writereg(state, 0x80c0, 0xfc);
-                au8522_writereg(state, 0x80c1, 0xbd);
-                au8522_writereg(state, 0x80c2, 0x1f);
-                au8522_writereg(state, 0x80c3, 0xfc);
-                au8522_writereg(state, 0x80c4, 0xdd);
-                au8522_writereg(state, 0x80c5, 0xaf);
-                au8522_writereg(state, 0x80c6, 0x00);
-                au8522_writereg(state, 0x80c7, 0x38);
-                au8522_writereg(state, 0x80c8, 0x30);
-                au8522_writereg(state, 0x80c9, 0x05);
-                au8522_writereg(state, 0x80ca, 0x4a);
-                au8522_writereg(state, 0x80cb, 0xd0);
-                au8522_writereg(state, 0x80cc, 0x01);
-                au8522_writereg(state, 0x80cd, 0xd9);
-                au8522_writereg(state, 0x80ce, 0x6f);
-                au8522_writereg(state, 0x80cf, 0xf9);
-                au8522_writereg(state, 0x80d0, 0x70);
-                au8522_writereg(state, 0x80d1, 0xdf);
-                au8522_writereg(state, 0x80d2, 0xf7);
-                au8522_writereg(state, 0x80d3, 0xc2);
-                au8522_writereg(state, 0x80d4, 0xdf);
-                au8522_writereg(state, 0x80d5, 0x02);
-                au8522_writereg(state, 0x80d6, 0x9a);
-                au8522_writereg(state, 0x80d7, 0xd0);
-                au8522_writereg(state, 0x8250, 0x0d);
-                au8522_writereg(state, 0x8251, 0xcd);
-                au8522_writereg(state, 0x8252, 0xe0);
-                au8522_writereg(state, 0x8253, 0x05);
-                au8522_writereg(state, 0x8254, 0xa7);
-                au8522_writereg(state, 0x8255, 0xff);
-                au8522_writereg(state, 0x8256, 0xed);
-                au8522_writereg(state, 0x8257, 0x5b);
-                au8522_writereg(state, 0x8258, 0xae);
-                au8522_writereg(state, 0x8259, 0xe6);
-                au8522_writereg(state, 0x825a, 0x3d);
-                au8522_writereg(state, 0x825b, 0x0f);
-                au8522_writereg(state, 0x825c, 0x0d);
-                au8522_writereg(state, 0x825d, 0xea);
-                au8522_writereg(state, 0x825e, 0xf2);
-                au8522_writereg(state, 0x825f, 0x51);
-                au8522_writereg(state, 0x8260, 0xf5);
-                au8522_writereg(state, 0x8261, 0x06);
-                au8522_writereg(state, 0x821a, 0x00);
-                au8522_writereg(state, 0x8546, 0x40);
-                au8522_writereg(state, 0x8210, 0x26);
-                au8522_writereg(state, 0x8211, 0xf6);
-                au8522_writereg(state, 0x8212, 0x84);
-                au8522_writereg(state, 0x8213, 0x02);
-                au8522_writereg(state, 0x8502, 0x01);
-                au8522_writereg(state, 0x8121, 0x04);
-                au8522_writereg(state, 0x8122, 0x04);
-                au8522_writereg(state, 0x852e, 0x10);
-                au8522_writereg(state, 0x80a4, 0xca);
-                au8522_writereg(state, 0x80a7, 0x40);
-                au8522_writereg(state, 0x8526, 0x01);
                break;
        default:
                dprintk("%s() Invalid modulation\n", __func__);
@@ -321,30 +580,24 @@ static int au8522_read_status(struct dvb_frontend *fe, fe_status_t *status)
        return 0;
 }
-static int au8522_read_mse(struct dvb_frontend *fe)
+static int au8522_read_snr(struct dvb_frontend *fe, u16 *snr)
 {
        struct au8522_state *state = fe->demodulator_priv;
-        int mse = 0;
+        int ret = -EINVAL;
-        if (state->current_modulation == VSB_8)
-                mse = au8522_readreg(state, 0x4311);
-        else
-                mse = au8522_readreg(state, 0x4522);
-        dprintk("%s: %d\n", __func__, mse);
-        return mse;
-}
-static int au8522_read_snr(struct dvb_frontend *fe, u16 *snr)
-{
        dprintk("%s()\n", __func__);
-        /* FIXME: This is mse, not snr
+        if (state->current_modulation == QAM_256)
-         * TODO: mse2snr */
+                ret = au8522_qam256_mse2snr_lookup(
-        *snr = au8522_read_mse(fe);
+                        au8522_readreg(state, 0x4522), snr);
+        else if (state->current_modulation == QAM_64)
-        return 0;
+                ret = au8522_qam64_mse2snr_lookup(
+                        au8522_readreg(state, 0x4522), snr);
+        else /* VSB_8 */
+                ret = au8522_vsb_mse2snr_lookup(
+                        au8522_readreg(state, 0x4311), snr);
+        return ret;
 }
 static int au8522_read_signal_strength(struct dvb_frontend *fe,
author	Steven Toth <stoth@hauppauge.com>	2008-04-10 01:01:48 -0400
committer	Mauro Carvalho Chehab <mchehab@infradead.org>	2008-04-24 13:09:43 -0400
commit	f01699b482875bf224a907a45d58e8e3739d554b (patch)
tree	80639537eb911dd92d9dcb9c86c90ff6c0f23f60 /drivers/media/dvb/frontends
parent	fb8152cb01dc2bca04a6ee561920d0a02af6c73b (diff)

diff --git a/drivers/media/dvb/frontends/au8522.c b/drivers/media/dvb/frontends/au8522.c index d445cf1e02be..fa3e6abdfa6e 100644 --- a/drivers/media/dvb/frontends/au8522.c +++ b/drivers/media/dvb/frontends/au8522.c
@@ -96,129 +96,388 @@ static int au8522_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
96	return au8522_writereg(state, 0x106, 0);	96	return au8522_writereg(state, 0x106, 0);
97	}	97	}
98		98
		99	/* VSB SNR lookup table */
		100	static struct {
		101	u16 val;
		102	u16 data;
		103	} vsb_mse2snr_tab[] = {
		104	{ 0, 270 },
		105	{ 2, 250 },
		106	{ 3, 240 },
		107	{ 5, 230 },
		108	{ 7, 220 },
		109	{ 9, 210 },
		110	{ 12, 200 },
		111	{ 13, 195 },
		112	{ 15, 190 },
		113	{ 17, 185 },
		114	{ 19, 180 },
		115	{ 21, 175 },
		116	{ 24, 170 },
		117	{ 27, 165 },
		118	{ 31, 160 },
		119	{ 32, 158 },
		120	{ 33, 156 },
		121	{ 36, 152 },
		122	{ 37, 150 },
		123	{ 39, 148 },
		124	{ 40, 146 },
		125	{ 41, 144 },
		126	{ 43, 142 },
		127	{ 44, 140 },
		128	{ 48, 135 },
		129	{ 50, 130 },
		130	{ 43, 142 },
		131	{ 53, 125 },
		132	{ 56, 120 },
		133	{ 256, 115 },
		134	};
		135
		136	/* QAM64 SNR lookup table */
		137	static struct {
		138	u16 val;
		139	u16 data;
		140	} qam64_mse2snr_tab[] = {
		141	{ 15, 0 },
		142	{ 16, 290 },
		143	{ 17, 288 },
		144	{ 18, 286 },
		145	{ 19, 284 },
		146	{ 20, 282 },
		147	{ 21, 281 },
		148	{ 22, 279 },
		149	{ 23, 277 },
		150	{ 24, 275 },
		151	{ 25, 273 },
		152	{ 26, 271 },
		153	{ 27, 269 },
		154	{ 28, 268 },
		155	{ 29, 266 },
		156	{ 30, 264 },
		157	{ 31, 262 },
		158	{ 32, 260 },
		159	{ 33, 259 },
		160	{ 34, 258 },
		161	{ 35, 256 },
		162	{ 36, 255 },
		163	{ 37, 254 },
		164	{ 38, 252 },
		165	{ 39, 251 },
		166	{ 40, 250 },
		167	{ 41, 249 },
		168	{ 42, 248 },
		169	{ 43, 246 },
		170	{ 44, 245 },
		171	{ 45, 244 },
		172	{ 46, 242 },
		173	{ 47, 241 },
		174	{ 48, 240 },
		175	{ 50, 239 },
		176	{ 51, 238 },
		177	{ 53, 237 },
		178	{ 54, 236 },
		179	{ 56, 235 },
		180	{ 57, 234 },
		181	{ 59, 233 },
		182	{ 60, 232 },
		183	{ 62, 231 },
		184	{ 63, 230 },
		185	{ 65, 229 },
		186	{ 67, 228 },
		187	{ 68, 227 },
		188	{ 70, 226 },
		189	{ 71, 225 },
		190	{ 73, 224 },
		191	{ 74, 223 },
		192	{ 76, 222 },
		193	{ 78, 221 },
		194	{ 80, 220 },
		195	{ 82, 219 },
		196	{ 85, 218 },
		197	{ 88, 217 },
		198	{ 90, 216 },
		199	{ 92, 215 },
		200	{ 93, 214 },
		201	{ 94, 212 },
		202	{ 95, 211 },
		203	{ 97, 210 },
		204	{ 99, 209 },
		205	{ 101, 208 },
		206	{ 102, 207 },
		207	{ 104, 206 },
		208	{ 107, 205 },
		209	{ 111, 204 },
		210	{ 114, 203 },
		211	{ 118, 202 },
		212	{ 122, 201 },
		213	{ 125, 200 },
		214	{ 128, 199 },
		215	{ 130, 198 },
		216	{ 132, 197 },
		217	{ 256, 190 },
		218	};
		219
		220	/* QAM256 SNR lookup table */
		221	static struct {
		222	u16 val;
		223	u16 data;
		224	} qam256_mse2snr_tab[] = {
		225	{ 16, 0 },
		226	{ 17, 400 },
		227	{ 18, 398 },
		228	{ 19, 396 },
		229	{ 20, 394 },
		230	{ 21, 392 },
		231	{ 22, 390 },
		232	{ 23, 388 },
		233	{ 24, 386 },
		234	{ 25, 384 },
		235	{ 26, 382 },
		236	{ 27, 380 },
		237	{ 28, 379 },
		238	{ 29, 378 },
		239	{ 30, 377 },
		240	{ 31, 376 },
		241	{ 32, 375 },
		242	{ 33, 374 },
		243	{ 34, 373 },
		244	{ 35, 372 },
		245	{ 36, 371 },
		246	{ 37, 370 },
		247	{ 38, 362 },
		248	{ 39, 354 },
		249	{ 40, 346 },
		250	{ 41, 338 },
		251	{ 42, 330 },
		252	{ 43, 328 },
		253	{ 44, 326 },
		254	{ 45, 324 },
		255	{ 46, 322 },
		256	{ 47, 320 },
		257	{ 48, 319 },
		258	{ 49, 318 },
		259	{ 50, 317 },
		260	{ 51, 316 },
		261	{ 52, 315 },
		262	{ 53, 314 },
		263	{ 54, 313 },
		264	{ 55, 312 },
		265	{ 56, 311 },
		266	{ 57, 310 },
		267	{ 58, 308 },
		268	{ 59, 306 },
		269	{ 60, 304 },
		270	{ 61, 302 },
		271	{ 62, 300 },
		272	{ 63, 298 },
		273	{ 65, 295 },
		274	{ 68, 294 },
		275	{ 70, 293 },
		276	{ 73, 292 },
		277	{ 76, 291 },
		278	{ 78, 290 },
		279	{ 79, 289 },
		280	{ 81, 288 },
		281	{ 82, 287 },
		282	{ 83, 286 },
		283	{ 84, 285 },
		284	{ 85, 284 },
		285	{ 86, 283 },
		286	{ 88, 282 },
		287	{ 89, 281 },
		288	{ 256, 280 },
		289	};
		290
		291	static int au8522_vsb_mse2snr_lookup(int mse, u16 *snr)
		292	{
		293	int i, ret = -EINVAL;
		294	dprintk("%s()\n", __func__);
		295
		296	for (i = 0; i < ARRAY_SIZE(vsb_mse2snr_tab); i++) {
		297	if (mse < vsb_mse2snr_tab[i].val) {
		298	*snr = vsb_mse2snr_tab[i].data;
		299	ret = 0;
		300	break;
		301	}
		302	}
		303	dprintk("%s() snr=%d\n", __func__, *snr);
		304	return ret;
		305	}
		306
		307	static int au8522_qam64_mse2snr_lookup(int mse, u16 *snr)
		308	{
		309	int i, ret = -EINVAL;
		310	dprintk("%s()\n", __func__);
		311
		312	for (i = 0; i < ARRAY_SIZE(qam64_mse2snr_tab); i++) {
		313	if (mse < qam64_mse2snr_tab[i].val) {
		314	*snr = qam64_mse2snr_tab[i].data;
		315	ret = 0;
		316	break;
		317	}
		318	}
		319	dprintk("%s() snr=%d\n", __func__, *snr);
		320	return ret;
		321	}
		322
		323	static int au8522_qam256_mse2snr_lookup(int mse, u16 *snr)
		324	{
		325	int i, ret = -EINVAL;
		326	dprintk("%s()\n", __func__);
		327
		328	for (i = 0; i < ARRAY_SIZE(qam256_mse2snr_tab); i++) {
		329	if (mse < qam256_mse2snr_tab[i].val) {
		330	*snr = qam256_mse2snr_tab[i].data;
		331	ret = 0;
		332	break;
		333	}
		334	}
		335	dprintk("%s() snr=%d\n", __func__, *snr);
		336	return ret;
		337	}
		338
		339	/* VSB Modulation table */
		340	static struct {
		341	u16 reg;
		342	u16 data;
		343	} VSB_mod_tab[] = {
		344	{ 0x8090, 0x84 },
		345	{ 0x4092, 0x11 },
		346	{ 0x2005, 0x00 },
		347	{ 0x8091, 0x80 },
		348	{ 0x80a3, 0x0c },
		349	{ 0x80a4, 0xe8 },
		350	{ 0x8081, 0xc4 },
		351	{ 0x80a5, 0x40 },
		352	{ 0x80a7, 0x40 },
		353	{ 0x80a6, 0x67 },
		354	{ 0x8262, 0x20 },
		355	{ 0x821c, 0x30 },
		356	{ 0x80d8, 0x1a },
		357	{ 0x8227, 0xa0 },
		358	{ 0x8121, 0xff },
		359	{ 0x80a8, 0xf0 },
		360	{ 0x80a9, 0x05 },
		361	{ 0x80aa, 0x77 },
		362	{ 0x80ab, 0xf0 },
		363	{ 0x80ac, 0x05 },
		364	{ 0x80ad, 0x77 },
		365	{ 0x80ae, 0x41 },
		366	{ 0x80af, 0x66 },
		367	{ 0x821b, 0xcc },
		368	{ 0x821d, 0x80 },
		369	{ 0x80b5, 0xfb },
		370	{ 0x80b6, 0x8e },
		371	{ 0x80b7, 0x39 },
		372	{ 0x80a4, 0xe8 },
		373	{ 0x8231, 0x13 },
		374	};
		375
		376	/* QAM Modulation table */
		377	static struct {
		378	u16 reg;
		379	u16 data;
		380	} QAM_mod_tab[] = {
		381	{ 0x80a3, 0x09 },
		382	{ 0x80a4, 0x00 },
		383	{ 0x8081, 0xc4 },
		384	{ 0x80a5, 0x40 },
		385	{ 0x80b5, 0xfb },
		386	{ 0x80b6, 0x8e },
		387	{ 0x80b7, 0x39 },
		388	{ 0x80aa, 0x77 },
		389	{ 0x80ad, 0x77 },
		390	{ 0x80a6, 0x67 },
		391	{ 0x8262, 0x20 },
		392	{ 0x821c, 0x30 },
		393	{ 0x80b8, 0x3e },
		394	{ 0x80b9, 0xf0 },
		395	{ 0x80ba, 0x01 },
		396	{ 0x80bb, 0x18 },
		397	{ 0x80bc, 0x50 },
		398	{ 0x80bd, 0x00 },
		399	{ 0x80be, 0xea },
		400	{ 0x80bf, 0xef },
		401	{ 0x80c0, 0xfc },
		402	{ 0x80c1, 0xbd },
		403	{ 0x80c2, 0x1f },
		404	{ 0x80c3, 0xfc },
		405	{ 0x80c4, 0xdd },
		406	{ 0x80c5, 0xaf },
		407	{ 0x80c6, 0x00 },
		408	{ 0x80c7, 0x38 },
		409	{ 0x80c8, 0x30 },
		410	{ 0x80c9, 0x05 },
		411	{ 0x80ca, 0x4a },
		412	{ 0x80cb, 0xd0 },
		413	{ 0x80cc, 0x01 },
		414	{ 0x80cd, 0xd9 },
		415	{ 0x80ce, 0x6f },
		416	{ 0x80cf, 0xf9 },
		417	{ 0x80d0, 0x70 },
		418	{ 0x80d1, 0xdf },
		419	{ 0x80d2, 0xf7 },
		420	{ 0x80d3, 0xc2 },
		421	{ 0x80d4, 0xdf },
		422	{ 0x80d5, 0x02 },
		423	{ 0x80d6, 0x9a },
		424	{ 0x80d7, 0xd0 },
		425	{ 0x8250, 0x0d },
		426	{ 0x8251, 0xcd },
		427	{ 0x8252, 0xe0 },
		428	{ 0x8253, 0x05 },
		429	{ 0x8254, 0xa7 },
		430	{ 0x8255, 0xff },
		431	{ 0x8256, 0xed },
		432	{ 0x8257, 0x5b },
		433	{ 0x8258, 0xae },
		434	{ 0x8259, 0xe6 },
		435	{ 0x825a, 0x3d },
		436	{ 0x825b, 0x0f },
		437	{ 0x825c, 0x0d },
		438	{ 0x825d, 0xea },
		439	{ 0x825e, 0xf2 },
		440	{ 0x825f, 0x51 },
		441	{ 0x8260, 0xf5 },
		442	{ 0x8261, 0x06 },
		443	{ 0x821a, 0x00 },
		444	{ 0x8546, 0x40 },
		445	{ 0x8210, 0x26 },
		446	{ 0x8211, 0xf6 },
		447	{ 0x8212, 0x84 },
		448	{ 0x8213, 0x02 },
		449	{ 0x8502, 0x01 },
		450	{ 0x8121, 0x04 },
		451	{ 0x8122, 0x04 },
		452	{ 0x852e, 0x10 },
		453	{ 0x80a4, 0xca },
		454	{ 0x80a7, 0x40 },
		455	{ 0x8526, 0x01 },
		456	};
		457
99	static int au8522_enable_modulation(struct dvb_frontend *fe,	458	static int au8522_enable_modulation(struct dvb_frontend *fe,
100	fe_modulation_t m)	459	fe_modulation_t m)
101	{	460	{
102	struct au8522_state *state = fe->demodulator_priv;	461	struct au8522_state *state = fe->demodulator_priv;
		462	int i;
103		463
104	dprintk("%s(0x%08x)\n", __func__, m);	464	dprintk("%s(0x%08x)\n", __func__, m);
105		465
106	switch(m) {	466	switch(m) {
107	case VSB_8:	467	case VSB_8:
108	dprintk("%s() VSB_8\n", __func__);	468	dprintk("%s() VSB_8\n", __func__);
109		469	for (i = 0; i < ARRAY_SIZE(VSB_mod_tab); i++)
110	//au8522_writereg(state, 0x410b, 0x84); // Serial	470	au8522_writereg(state,
111		471	VSB_mod_tab[i].reg,
112	//au8522_writereg(state, 0x8090, 0x82);	472	VSB_mod_tab[i].data);
113	au8522_writereg(state, 0x8090, 0x84);
114	au8522_writereg(state, 0x4092, 0x11);
115	au8522_writereg(state, 0x2005, 0x00);
116	au8522_writereg(state, 0x8091, 0x80);
117
118	au8522_writereg(state, 0x80a3, 0x0c);
119	au8522_writereg(state, 0x80a4, 0xe8);
120	au8522_writereg(state, 0x8081, 0xc4);
121	au8522_writereg(state, 0x80a5, 0x40);
122	au8522_writereg(state, 0x80a7, 0x40);
123	au8522_writereg(state, 0x80a6, 0x67);
124	au8522_writereg(state, 0x8262, 0x20);
125	au8522_writereg(state, 0x821c, 0x30);
126	au8522_writereg(state, 0x80d8, 0x1a);
127	au8522_writereg(state, 0x8227, 0xa0);
128	au8522_writereg(state, 0x8121, 0xff);
129	au8522_writereg(state, 0x80a8, 0xf0);
130	au8522_writereg(state, 0x80a9, 0x05);
131	au8522_writereg(state, 0x80aa, 0x77);
132	au8522_writereg(state, 0x80ab, 0xf0);
133	au8522_writereg(state, 0x80ac, 0x05);
134	au8522_writereg(state, 0x80ad, 0x77);
135	au8522_writereg(state, 0x80ae, 0x41);
136	au8522_writereg(state, 0x80af, 0x66);
137	au8522_writereg(state, 0x821b, 0xcc);
138	au8522_writereg(state, 0x821d, 0x80);
139	au8522_writereg(state, 0x80b5, 0xfb);
140	au8522_writereg(state, 0x80b6, 0x8e);
141	au8522_writereg(state, 0x80b7, 0x39);
142	au8522_writereg(state, 0x80a4, 0xe8);
143	au8522_writereg(state, 0x8231, 0x13);
144	break;	473	break;
145	case QAM_64:	474	case QAM_64:
146	case QAM_256:	475	case QAM_256:
147	au8522_writereg(state, 0x80a3, 0x09);	476	dprintk("%s() QAM 64/256\n", __func__);
148	au8522_writereg(state, 0x80a4, 0x00);	477	for (i = 0; i < ARRAY_SIZE(QAM_mod_tab); i++)
149	au8522_writereg(state, 0x8081, 0xc4);	478	au8522_writereg(state,
150	au8522_writereg(state, 0x80a5, 0x40);	479	QAM_mod_tab[i].reg,
151	au8522_writereg(state, 0x80b5, 0xfb);	480	QAM_mod_tab[i].data);
152	au8522_writereg(state, 0x80b6, 0x8e);
153	au8522_writereg(state, 0x80b7, 0x39);
154	au8522_writereg(state, 0x80aa, 0x77);
155	au8522_writereg(state, 0x80ad, 0x77);
156	au8522_writereg(state, 0x80a6, 0x67);
157	au8522_writereg(state, 0x8262, 0x20);
158	au8522_writereg(state, 0x821c, 0x30);
159	au8522_writereg(state, 0x80b8, 0x3e);
160	au8522_writereg(state, 0x80b9, 0xf0);
161	au8522_writereg(state, 0x80ba, 0x01);
162	au8522_writereg(state, 0x80bb, 0x18);
163	au8522_writereg(state, 0x80bc, 0x50);
164	au8522_writereg(state, 0x80bd, 0x00);
165	au8522_writereg(state, 0x80be, 0xea);
166	au8522_writereg(state, 0x80bf, 0xef);
167	au8522_writereg(state, 0x80c0, 0xfc);
168	au8522_writereg(state, 0x80c1, 0xbd);
169	au8522_writereg(state, 0x80c2, 0x1f);
170	au8522_writereg(state, 0x80c3, 0xfc);
171	au8522_writereg(state, 0x80c4, 0xdd);
172	au8522_writereg(state, 0x80c5, 0xaf);
173	au8522_writereg(state, 0x80c6, 0x00);
174	au8522_writereg(state, 0x80c7, 0x38);
175	au8522_writereg(state, 0x80c8, 0x30);
176	au8522_writereg(state, 0x80c9, 0x05);
177	au8522_writereg(state, 0x80ca, 0x4a);
178	au8522_writereg(state, 0x80cb, 0xd0);
179	au8522_writereg(state, 0x80cc, 0x01);
180	au8522_writereg(state, 0x80cd, 0xd9);
181	au8522_writereg(state, 0x80ce, 0x6f);
182	au8522_writereg(state, 0x80cf, 0xf9);
183	au8522_writereg(state, 0x80d0, 0x70);
184	au8522_writereg(state, 0x80d1, 0xdf);
185	au8522_writereg(state, 0x80d2, 0xf7);
186	au8522_writereg(state, 0x80d3, 0xc2);
187	au8522_writereg(state, 0x80d4, 0xdf);
188	au8522_writereg(state, 0x80d5, 0x02);
189	au8522_writereg(state, 0x80d6, 0x9a);
190	au8522_writereg(state, 0x80d7, 0xd0);
191	au8522_writereg(state, 0x8250, 0x0d);
192	au8522_writereg(state, 0x8251, 0xcd);
193	au8522_writereg(state, 0x8252, 0xe0);
194	au8522_writereg(state, 0x8253, 0x05);
195	au8522_writereg(state, 0x8254, 0xa7);
196	au8522_writereg(state, 0x8255, 0xff);
197	au8522_writereg(state, 0x8256, 0xed);
198	au8522_writereg(state, 0x8257, 0x5b);
199	au8522_writereg(state, 0x8258, 0xae);
200	au8522_writereg(state, 0x8259, 0xe6);
201	au8522_writereg(state, 0x825a, 0x3d);
202	au8522_writereg(state, 0x825b, 0x0f);
203	au8522_writereg(state, 0x825c, 0x0d);
204	au8522_writereg(state, 0x825d, 0xea);
205	au8522_writereg(state, 0x825e, 0xf2);
206	au8522_writereg(state, 0x825f, 0x51);
207	au8522_writereg(state, 0x8260, 0xf5);
208	au8522_writereg(state, 0x8261, 0x06);
209	au8522_writereg(state, 0x821a, 0x00);
210	au8522_writereg(state, 0x8546, 0x40);
211	au8522_writereg(state, 0x8210, 0x26);
212	au8522_writereg(state, 0x8211, 0xf6);
213	au8522_writereg(state, 0x8212, 0x84);
214	au8522_writereg(state, 0x8213, 0x02);
215	au8522_writereg(state, 0x8502, 0x01);
216	au8522_writereg(state, 0x8121, 0x04);
217	au8522_writereg(state, 0x8122, 0x04);
218	au8522_writereg(state, 0x852e, 0x10);
219	au8522_writereg(state, 0x80a4, 0xca);
220	au8522_writereg(state, 0x80a7, 0x40);
221	au8522_writereg(state, 0x8526, 0x01);
222	break;	481	break;
223	default:	482	default:
224	dprintk("%s() Invalid modulation\n", __func__);	483	dprintk("%s() Invalid modulation\n", __func__);
@@ -321,30 +580,24 @@ static int au8522_read_status(struct dvb_frontend fe, fe_status_t status)
321	return 0;	580	return 0;
322	}	581	}
323		582
324	static int au8522_read_mse(struct dvb_frontend *fe)	583	static int au8522_read_snr(struct dvb_frontend fe, u16 snr)
325	{	584	{
326	struct au8522_state *state = fe->demodulator_priv;	585	struct au8522_state *state = fe->demodulator_priv;
327	int mse = 0;	586	int ret = -EINVAL;
328		587
329	if (state->current_modulation == VSB_8)
330	mse = au8522_readreg(state, 0x4311);
331	else
332	mse = au8522_readreg(state, 0x4522);
333
334	dprintk("%s: %d\n", __func__, mse);
335
336	return mse;
337	}
338
339	static int au8522_read_snr(struct dvb_frontend fe, u16 snr)
340	{
341	dprintk("%s()\n", __func__);	588	dprintk("%s()\n", __func__);
342		589
343	/* FIXME: This is mse, not snr	590	if (state->current_modulation == QAM_256)
344	* TODO: mse2snr */	591	ret = au8522_qam256_mse2snr_lookup(
345	*snr = au8522_read_mse(fe);	592	au8522_readreg(state, 0x4522), snr);
346		593	else if (state->current_modulation == QAM_64)
347	return 0;	594	ret = au8522_qam64_mse2snr_lookup(
		595	au8522_readreg(state, 0x4522), snr);
		596	else /* VSB_8 */
		597	ret = au8522_vsb_mse2snr_lookup(
		598	au8522_readreg(state, 0x4311), snr);
		599
		600	return ret;
348	}	601	}
349		602
350	static int au8522_read_signal_strength(struct dvb_frontend *fe,	603	static int au8522_read_signal_strength(struct dvb_frontend *fe,