[media] sp887x: convert set_fontend to use DVBv5 parameters
authorMauro Carvalho Chehab <mchehab@redhat.com>
Mon, 26 Dec 2011 15:43:15 +0000 (12:43 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Sat, 31 Dec 2011 11:33:29 +0000 (09:33 -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/sp887x.c

index 33ec08a..6fd8513 100644 (file)
@@ -209,13 +209,13 @@ static int sp887x_initial_setup (struct dvb_frontend* fe, const struct firmware
        return 0;
 };
 
-static int configure_reg0xc05 (struct dvb_frontend_parameters *p, u16 *reg0xc05)
+static int configure_reg0xc05(struct dtv_frontend_properties *p, u16 *reg0xc05)
 {
        int known_parameters = 1;
 
        *reg0xc05 = 0x000;
 
-       switch (p->u.ofdm.constellation) {
+       switch (p->modulation) {
        case QPSK:
                break;
        case QAM_16:
@@ -231,7 +231,7 @@ static int configure_reg0xc05 (struct dvb_frontend_parameters *p, u16 *reg0xc05)
                return -EINVAL;
        };
 
-       switch (p->u.ofdm.hierarchy_information) {
+       switch (p->hierarchy) {
        case HIERARCHY_NONE:
                break;
        case HIERARCHY_1:
@@ -250,7 +250,7 @@ static int configure_reg0xc05 (struct dvb_frontend_parameters *p, u16 *reg0xc05)
                return -EINVAL;
        };
 
-       switch (p->u.ofdm.code_rate_HP) {
+       switch (p->code_rate_HP) {
        case FEC_1_2:
                break;
        case FEC_2_3:
@@ -303,17 +303,30 @@ static void divide (int n, int d, int *quotient_i, int *quotient_f)
 }
 
 static void sp887x_correct_offsets (struct sp887x_state* state,
-                                   struct dvb_frontend_parameters *p,
+                                   struct dtv_frontend_properties *p,
                                    int actual_freq)
 {
        static const u32 srate_correction [] = { 1879617, 4544878, 8098561 };
-       int bw_index = p->u.ofdm.bandwidth - BANDWIDTH_8_MHZ;
+       int bw_index;
        int freq_offset = actual_freq - p->frequency;
        int sysclock = 61003; //[kHz]
        int ifreq = 36000000;
        int freq;
        int frequency_shift;
 
+       switch (p->bandwidth_hz) {
+       default:
+       case 8000000:
+               bw_index = 0;
+               break;
+       case 7000000:
+               bw_index = 1;
+               break;
+       case 6000000:
+               bw_index = 2;
+               break;
+       }
+
        if (p->inversion == INVERSION_ON)
                freq = ifreq - freq_offset;
        else
@@ -333,17 +346,17 @@ static void sp887x_correct_offsets (struct sp887x_state* state,
        sp887x_writereg(state, 0x30a, frequency_shift & 0xfff);
 }
 
-static int sp887x_setup_frontend_parameters (struct dvb_frontend* fe,
-                                            struct dvb_frontend_parameters *p)
+static int sp887x_setup_frontend_parameters(struct dvb_frontend *fe)
 {
+       struct dtv_frontend_properties *p = &fe->dtv_property_cache;
        struct sp887x_state* state = fe->demodulator_priv;
        unsigned actual_freq;
        int err;
        u16 val, reg0xc05;
 
-       if (p->u.ofdm.bandwidth != BANDWIDTH_8_MHZ &&
-           p->u.ofdm.bandwidth != BANDWIDTH_7_MHZ &&
-           p->u.ofdm.bandwidth != BANDWIDTH_6_MHZ)
+       if (p->bandwidth_hz != 8000000 &&
+           p->bandwidth_hz != 7000000 &&
+           p->bandwidth_hz != 6000000)
                return -EINVAL;
 
        if ((err = configure_reg0xc05(p, &reg0xc05)))
@@ -369,9 +382,9 @@ static int sp887x_setup_frontend_parameters (struct dvb_frontend* fe,
        sp887x_correct_offsets(state, p, actual_freq);
 
        /* filter for 6/7/8 Mhz channel */
-       if (p->u.ofdm.bandwidth == BANDWIDTH_6_MHZ)
+       if (p->bandwidth_hz == 6000000)
                val = 2;
-       else if (p->u.ofdm.bandwidth == BANDWIDTH_7_MHZ)
+       else if (p->bandwidth_hz == 7000000)
                val = 1;
        else
                val = 0;
@@ -379,16 +392,16 @@ static int sp887x_setup_frontend_parameters (struct dvb_frontend* fe,
        sp887x_writereg(state, 0x311, val);
 
        /* scan order: 2k first = 0, 8k first = 1 */
-       if (p->u.ofdm.transmission_mode == TRANSMISSION_MODE_2K)
+       if (p->transmission_mode == TRANSMISSION_MODE_2K)
                sp887x_writereg(state, 0x338, 0x000);
        else
                sp887x_writereg(state, 0x338, 0x001);
 
        sp887x_writereg(state, 0xc05, reg0xc05);
 
-       if (p->u.ofdm.bandwidth == BANDWIDTH_6_MHZ)
+       if (p->bandwidth_hz == 6000000)
                val = 2 << 3;
-       else if (p->u.ofdm.bandwidth == BANDWIDTH_7_MHZ)
+       else if (p->bandwidth_hz == 7000000)
                val = 3 << 3;
        else
                val = 0 << 3;
@@ -579,7 +592,7 @@ error:
 }
 
 static struct dvb_frontend_ops sp887x_ops = {
-
+       .delsys = { SYS_DVBT },
        .info = {
                .name = "Spase SP887x DVB-T",
                .type = FE_OFDM,
@@ -598,7 +611,7 @@ static struct dvb_frontend_ops sp887x_ops = {
        .sleep = sp887x_sleep,
        .i2c_gate_ctrl = sp887x_i2c_gate_ctrl,
 
-       .set_frontend_legacy = sp887x_setup_frontend_parameters,
+       .set_frontend = sp887x_setup_frontend_parameters,
        .get_tune_settings = sp887x_get_tune_settings,
 
        .read_status = sp887x_read_status,