]> git.karo-electronics.de Git - linux-beck.git/commitdiff
[media] l64781: convert set_fontend to use DVBv5 parameters
authorMauro Carvalho Chehab <mchehab@redhat.com>
Mon, 26 Dec 2011 14:12:03 +0000 (11:12 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Sat, 31 Dec 2011 11:23:50 +0000 (09:23 -0200)
Instead of using dvb_frontend_parameters struct, that were
designed for a subset of the supported standards, use the DVBv5
cache information.

Also, fill the supported delivery systems at dvb_frontend_ops
struct.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/dvb/frontends/l64781.c

index 1f1c59808beafdc8b0458a2ecda40db0e7a3e3ee..247d653f28139723ef6270d3ba2e7215bd41cba5 100644 (file)
@@ -117,18 +117,17 @@ static int reset_and_configure (struct l64781_state* state)
        return (i2c_transfer(state->i2c, &msg, 1) == 1) ? 0 : -ENODEV;
 }
 
-static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_parameters *param)
+static int apply_frontend_param(struct dvb_frontend *fe)
 {
+       struct dtv_frontend_properties *p = &fe->dtv_property_cache;
        struct l64781_state* state = fe->demodulator_priv;
        /* The coderates for FEC_NONE, FEC_4_5 and FEC_FEC_6_7 are arbitrary */
        static const u8 fec_tab[] = { 7, 0, 1, 2, 9, 3, 10, 4 };
        /* QPSK, QAM_16, QAM_64 */
        static const u8 qam_tab [] = { 2, 4, 0, 6 };
-       static const u8 bw_tab [] = { 8, 7, 6 };  /* 8Mhz, 7MHz, 6MHz */
        static const u8 guard_tab [] = { 1, 2, 4, 8 };
        /* The Grundig 29504-401.04 Tuner comes with 18.432MHz crystal. */
        static const u32 ppm = 8000;
-       struct dvb_ofdm_parameters *p = &param->u.ofdm;
        u32 ddfs_offset_fixed;
 /*     u32 ddfs_offset_variable = 0x6000-((1000000UL+ppm)/ */
 /*                     bw_tab[p->bandWidth]<<10)/15625; */
@@ -137,18 +136,29 @@ static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_pa
        u8 val0x04;
        u8 val0x05;
        u8 val0x06;
-       int bw = p->bandwidth - BANDWIDTH_8_MHZ;
+       int bw;
+
+       switch (p->bandwidth_hz) {
+       case 8000000:
+               bw = 8;
+               break;
+       case 7000000:
+               bw = 7;
+               break;
+       case 6000000:
+               bw = 6;
+               break;
+       default:
+               return -EINVAL;
+       }
 
        if (fe->ops.tuner_ops.set_params) {
                fe->ops.tuner_ops.set_params(fe);
                if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
        }
 
-       if (param->inversion != INVERSION_ON &&
-           param->inversion != INVERSION_OFF)
-               return -EINVAL;
-
-       if (bw < 0 || bw > 2)
+       if (p->inversion != INVERSION_ON &&
+           p->inversion != INVERSION_OFF)
                return -EINVAL;
 
        if (p->code_rate_HP != FEC_1_2 && p->code_rate_HP != FEC_2_3 &&
@@ -156,14 +166,14 @@ static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_pa
            p->code_rate_HP != FEC_7_8)
                return -EINVAL;
 
-       if (p->hierarchy_information != HIERARCHY_NONE &&
+       if (p->hierarchy != HIERARCHY_NONE &&
            (p->code_rate_LP != FEC_1_2 && p->code_rate_LP != FEC_2_3 &&
             p->code_rate_LP != FEC_3_4 && p->code_rate_LP != FEC_5_6 &&
             p->code_rate_LP != FEC_7_8))
                return -EINVAL;
 
-       if (p->constellation != QPSK && p->constellation != QAM_16 &&
-           p->constellation != QAM_64)
+       if (p->modulation != QPSK && p->modulation != QAM_16 &&
+           p->modulation != QAM_64)
                return -EINVAL;
 
        if (p->transmission_mode != TRANSMISSION_MODE_2K &&
@@ -174,22 +184,22 @@ static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_pa
            p->guard_interval > GUARD_INTERVAL_1_4)
                return -EINVAL;
 
-       if (p->hierarchy_information < HIERARCHY_NONE ||
-           p->hierarchy_information > HIERARCHY_4)
+       if (p->hierarchy < HIERARCHY_NONE ||
+           p->hierarchy > HIERARCHY_4)
                return -EINVAL;
 
-       ddfs_offset_fixed = 0x4000-(ppm<<16)/bw_tab[p->bandwidth]/1000000;
+       ddfs_offset_fixed = 0x4000-(ppm<<16)/bw/1000000;
 
        /* This works up to 20000 ppm, it overflows if too large ppm! */
        init_freq = (((8UL<<25) + (8UL<<19) / 25*ppm / (15625/25)) /
-                       bw_tab[p->bandwidth] & 0xFFFFFF);
+                       bw & 0xFFFFFF);
 
        /* SPI bias calculation is slightly modified to fit in 32bit */
        /* will work for high ppm only... */
        spi_bias = 378 * (1 << 10);
        spi_bias *= 16;
-       spi_bias *= bw_tab[p->bandwidth];
-       spi_bias *= qam_tab[p->constellation];
+       spi_bias *= bw;
+       spi_bias *= qam_tab[p->modulation];
        spi_bias /= p->code_rate_HP + 1;
        spi_bias /= (guard_tab[p->guard_interval] + 32);
        spi_bias *= 1000;
@@ -199,10 +209,10 @@ static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_pa
        val0x04 = (p->transmission_mode << 2) | p->guard_interval;
        val0x05 = fec_tab[p->code_rate_HP];
 
-       if (p->hierarchy_information != HIERARCHY_NONE)
+       if (p->hierarchy != HIERARCHY_NONE)
                val0x05 |= (p->code_rate_LP - FEC_1_2) << 3;
 
-       val0x06 = (p->hierarchy_information << 2) | p->constellation;
+       val0x06 = (p->hierarchy << 2) | p->modulation;
 
        l64781_writereg (state, 0x04, val0x04);
        l64781_writereg (state, 0x05, val0x05);
@@ -220,7 +230,7 @@ static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_pa
        l64781_writereg (state, 0x1b, spi_bias & 0xff);
        l64781_writereg (state, 0x1c, (spi_bias >> 8) & 0xff);
        l64781_writereg (state, 0x1d, ((spi_bias >> 16) & 0x7f) |
-               (param->inversion == INVERSION_ON ? 0x80 : 0x00));
+               (p->inversion == INVERSION_ON ? 0x80 : 0x00));
 
        l64781_writereg (state, 0x22, ddfs_offset_fixed & 0xff);
        l64781_writereg (state, 0x23, (ddfs_offset_fixed >> 8) & 0x3f);
@@ -233,7 +243,8 @@ static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_pa
        return 0;
 }
 
-static int get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters* param)
+static int get_frontend(struct dvb_frontend *fe,
+                       struct dtv_frontend_properties *p)
 {
        struct l64781_state* state = fe->demodulator_priv;
        int tmp;
@@ -242,98 +253,95 @@ static int get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters*
        tmp = l64781_readreg(state, 0x04);
        switch(tmp & 3) {
        case 0:
-               param->u.ofdm.guard_interval = GUARD_INTERVAL_1_32;
+               p->guard_interval = GUARD_INTERVAL_1_32;
                break;
        case 1:
-               param->u.ofdm.guard_interval = GUARD_INTERVAL_1_16;
+               p->guard_interval = GUARD_INTERVAL_1_16;
                break;
        case 2:
-               param->u.ofdm.guard_interval = GUARD_INTERVAL_1_8;
+               p->guard_interval = GUARD_INTERVAL_1_8;
                break;
        case 3:
-               param->u.ofdm.guard_interval = GUARD_INTERVAL_1_4;
+               p->guard_interval = GUARD_INTERVAL_1_4;
                break;
        }
        switch((tmp >> 2) & 3) {
        case 0:
-               param->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K;
+               p->transmission_mode = TRANSMISSION_MODE_2K;
                break;
        case 1:
-               param->u.ofdm.transmission_mode = TRANSMISSION_MODE_8K;
+               p->transmission_mode = TRANSMISSION_MODE_8K;
                break;
        default:
-               printk("Unexpected value for transmission_mode\n");
+               printk(KERN_WARNING "Unexpected value for transmission_mode\n");
        }
 
-
-
        tmp = l64781_readreg(state, 0x05);
        switch(tmp & 7) {
        case 0:
-               param->u.ofdm.code_rate_HP = FEC_1_2;
+               p->code_rate_HP = FEC_1_2;
                break;
        case 1:
-               param->u.ofdm.code_rate_HP = FEC_2_3;
+               p->code_rate_HP = FEC_2_3;
                break;
        case 2:
-               param->u.ofdm.code_rate_HP = FEC_3_4;
+               p->code_rate_HP = FEC_3_4;
                break;
        case 3:
-               param->u.ofdm.code_rate_HP = FEC_5_6;
+               p->code_rate_HP = FEC_5_6;
                break;
        case 4:
-               param->u.ofdm.code_rate_HP = FEC_7_8;
+               p->code_rate_HP = FEC_7_8;
                break;
        default:
                printk("Unexpected value for code_rate_HP\n");
        }
        switch((tmp >> 3) & 7) {
        case 0:
-               param->u.ofdm.code_rate_LP = FEC_1_2;
+               p->code_rate_LP = FEC_1_2;
                break;
        case 1:
-               param->u.ofdm.code_rate_LP = FEC_2_3;
+               p->code_rate_LP = FEC_2_3;
                break;
        case 2:
-               param->u.ofdm.code_rate_LP = FEC_3_4;
+               p->code_rate_LP = FEC_3_4;
                break;
        case 3:
-               param->u.ofdm.code_rate_LP = FEC_5_6;
+               p->code_rate_LP = FEC_5_6;
                break;
        case 4:
-               param->u.ofdm.code_rate_LP = FEC_7_8;
+               p->code_rate_LP = FEC_7_8;
                break;
        default:
                printk("Unexpected value for code_rate_LP\n");
        }
 
-
        tmp = l64781_readreg(state, 0x06);
        switch(tmp & 3) {
        case 0:
-               param->u.ofdm.constellation = QPSK;
+               p->modulation = QPSK;
                break;
        case 1:
-               param->u.ofdm.constellation = QAM_16;
+               p->modulation = QAM_16;
                break;
        case 2:
-               param->u.ofdm.constellation = QAM_64;
+               p->modulation = QAM_64;
                break;
        default:
-               printk("Unexpected value for constellation\n");
+               printk(KERN_WARNING "Unexpected value for modulation\n");
        }
        switch((tmp >> 2) & 7) {
        case 0:
-               param->u.ofdm.hierarchy_information = HIERARCHY_NONE;
+               p->hierarchy = HIERARCHY_NONE;
                break;
        case 1:
-               param->u.ofdm.hierarchy_information = HIERARCHY_1;
+               p->hierarchy = HIERARCHY_1;
                break;
        case 2:
-               param->u.ofdm.hierarchy_information = HIERARCHY_2;
+               p->hierarchy = HIERARCHY_2;
                break;
        case 3:
-               param->u.ofdm.hierarchy_information = HIERARCHY_4;
+               p->hierarchy = HIERARCHY_4;
                break;
        default:
                printk("Unexpected value for hierarchy\n");
@@ -341,12 +349,12 @@ static int get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters*
 
 
        tmp = l64781_readreg (state, 0x1d);
-       param->inversion = (tmp & 0x80) ? INVERSION_ON : INVERSION_OFF;
+       p->inversion = (tmp & 0x80) ? INVERSION_ON : INVERSION_OFF;
 
        tmp = (int) (l64781_readreg (state, 0x08) |
                     (l64781_readreg (state, 0x09) << 8) |
                     (l64781_readreg (state, 0x0a) << 16));
-       param->frequency += tmp;
+       p->frequency += tmp;
 
        return 0;
 }
@@ -564,7 +572,7 @@ error:
 }
 
 static struct dvb_frontend_ops l64781_ops = {
-
+       .delsys = { SYS_DVBT },
        .info = {
                .name = "LSI L64781 DVB-T",
                .type = FE_OFDM,
@@ -584,8 +592,8 @@ static struct dvb_frontend_ops l64781_ops = {
        .init = l64781_init,
        .sleep = l64781_sleep,
 
-       .set_frontend_legacy = apply_frontend_param,
-       .get_frontend_legacy = get_frontend,
+       .set_frontend = apply_frontend_param,
+       .get_frontend = get_frontend,
        .get_tune_settings = l64781_get_tune_settings,
 
        .read_status = l64781_read_status,