DVB (2454): Port code for SU1278/SH2 (TUA6100) from pre-refactored code

- Port code for SU1278/SH2 (TUA6100) from pre-refactored code

Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>

3 files changed, 165 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/stv0299.c b/drivers/media/dvb/frontends/stv0299.c
index 177d71d56b67..1085bd15d56d 100644
--- a/drivers/media/dvb/frontends/stv0299.c
+++ b/drivers/media/dvb/frontends/stv0299.c
@@ -131,6 +131,13 @@ static int stv0299_readregs (struct stv0299_state* state, u8 reg1, u8 *b, u8 len
         return ret == 2 ? 0 : ret;
 }
 
+int stv0299_enable_plli2c (struct dvb_frontend* fe)
+{
+        struct stv0299_state* state = fe->demodulator_priv;
+
+        return stv0299_writeregI(state, 0x05, 0xb5);    /*  enable i2c repeater on stv0299  */
+}
+
 static int stv0299_set_FEC (struct stv0299_state* state, fe_code_rate_t fec)
 {
         dprintk ("%s\n", __FUNCTION__);
@@ -717,5 +724,6 @@ MODULE_AUTHOR("Ralph Metzler, Holger Waechtler, Peter Schildmann, Felix Domke, "
               "Andreas Oberritter, Andrew de Quincey, Kenneth Aafløy");
 MODULE_LICENSE("GPL");
 
+EXPORT_SYMBOL(stv0299_enable_plli2c);
 EXPORT_SYMBOL(stv0299_writereg);
 EXPORT_SYMBOL(stv0299_attach);
diff --git a/drivers/media/dvb/frontends/stv0299.h b/drivers/media/dvb/frontends/stv0299.h
index 9af3d71c89db..32c87b4c2f13 100644
--- a/drivers/media/dvb/frontends/stv0299.h
+++ b/drivers/media/dvb/frontends/stv0299.h
@@ -94,6 +94,7 @@ struct stv0299_config
 };
 
 extern int stv0299_writereg (struct dvb_frontend* fe, u8 reg, u8 data);
+extern int stv0299_enable_plli2c (struct dvb_frontend* fe);
 
 extern struct dvb_frontend* stv0299_attach(const struct stv0299_config* config,
                                            struct i2c_adapter* i2c);
diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c
index 8bc784ab1972..9a33f6d5d923 100644
--- a/drivers/media/dvb/ttpci/budget-av.c
+++ b/drivers/media/dvb/ttpci/budget-av.c
@@ -502,6 +502,140 @@ static int philips_su1278_ty_ci_pll_set(struct dvb_frontend *fe,
         return 0;
 }
 
+#define MIN2(a,b) ((a) < (b) ? (a) : (b))
+#define MIN3(a,b,c) MIN2(MIN2(a,b),c)
+
+static int philips_su1278sh2_tua6100_pll_set(struct dvb_frontend *fe,
+                                        struct i2c_adapter *i2c,
+                                        struct dvb_frontend_parameters *params)
+{
+        u8 reg0 [2] = { 0x00, 0x00 };
+        u8 reg1 [4] = { 0x01, 0x00, 0x00, 0x00 };
+        u8 reg2 [3] = { 0x02, 0x00, 0x00 };
+        int _fband;
+        int first_ZF;
+        int R, A, N, P, M;
+        struct i2c_msg msg = {.addr = 0x60,.flags = 0,.buf = NULL,.len = 0 };
+        int freq = params->frequency;
+
+        first_ZF = (freq) / 1000;
+
+        if (abs(MIN2(abs(first_ZF-1190),abs(first_ZF-1790))) <
+                   abs(MIN3(abs(first_ZF-1202),abs(first_ZF-1542),abs(first_ZF-1890))))
+                _fband = 2;
+        else
+                _fband = 3;
+
+        if (_fband == 2) {
+                if (((first_ZF >= 950) && (first_ZF < 1350)) ||
+                                    ((first_ZF >= 1430) && (first_ZF < 1950)))
+                        reg0[1] = 0x07;
+                else if (((first_ZF >= 1350) && (first_ZF < 1430)) ||
+                                         ((first_ZF >= 1950) && (first_ZF < 2150)))
+                        reg0[1] = 0x0B;
+        }
+
+        if(_fband == 3) {
+                if (((first_ZF >= 950) && (first_ZF < 1350)) ||
+                                    ((first_ZF >= 1455) && (first_ZF < 1950)))
+                        reg0[1] = 0x07;
+                else if (((first_ZF >= 1350) && (first_ZF < 1420)) ||
+                                         ((first_ZF >= 1950) && (first_ZF < 2150)))
+                        reg0[1] = 0x0B;
+                else if ((first_ZF >= 1420) && (first_ZF < 1455))
+                        reg0[1] = 0x0F;
+        }
+
+        if (first_ZF > 1525)
+                reg1[1] |= 0x80;
+        else
+                reg1[1] &= 0x7F;
+
+        if (_fband == 2) {
+                if (first_ZF > 1430) { /* 1430MHZ */
+                        reg1[1] &= 0xCF; /* N2 */
+                        reg2[1] &= 0xCF; /* R2 */
+                        reg2[1] |= 0x10;
+                } else {
+                        reg1[1] &= 0xCF; /* N2 */
+                        reg1[1] |= 0x20;
+                        reg2[1] &= 0xCF; /* R2 */
+                        reg2[1] |= 0x10;
+                }
+        }
+
+        if (_fband == 3) {
+                if ((first_ZF >= 1455) &&
+                                   (first_ZF < 1630)) {
+                        reg1[1] &= 0xCF; /* N2 */
+                        reg1[1] |= 0x20;
+                        reg2[1] &= 0xCF; /* R2 */
+                                   } else {
+                                           if (first_ZF < 1455) {
+                                                   reg1[1] &= 0xCF; /* N2 */
+                                                   reg1[1] |= 0x20;
+                                                   reg2[1] &= 0xCF; /* R2 */
+                                                   reg2[1] |= 0x10;
+                                           } else {
+                                                   if (first_ZF >= 1630) {
+                                                           reg1[1] &= 0xCF; /* N2 */
+                                                           reg2[1] &= 0xCF; /* R2 */
+                                                           reg2[1] |= 0x10;
+                                                   }
+                                           }
+                                   }
+        }
+
+        /* set ports, enable P0 for symbol rates > 4Ms/s */
+        if (params->u.qpsk.symbol_rate >= 4000000)
+                reg1[1] |= 0x0c;
+        else
+                reg1[1] |= 0x04;
+
+        reg2[1] |= 0x0c;
+
+        R = 64;
+        A = 64;
+        P = 64;  //32
+
+        M = (freq * R) / 4;             /* in Mhz */
+        N = (M - A * 1000) / (P * 1000);
+
+        reg1[1] |= (N >> 9) & 0x03;
+        reg1[2]  = (N >> 1) & 0xff;
+        reg1[3]  = (N << 7) & 0x80;
+
+        reg2[1] |= (R >> 8) & 0x03;
+        reg2[2]  = R & 0xFF;    /* R */
+
+        reg1[3] |= A & 0x7f;    /* A */
+
+        if (P == 64)
+                reg1[1] |= 0x40; /* Prescaler 64/65 */
+
+        reg0[1] |= 0x03;
+
+        /* already enabled - do not reenable i2c repeater or TX fails */
+        msg.buf = reg0;
+        msg.len = sizeof(reg0);
+        if (i2c_transfer(i2c, &msg, 1) != 1)
+                return -EIO;
+
+        stv0299_enable_plli2c(fe);
+        msg.buf = reg1;
+        msg.len = sizeof(reg1);
+        if (i2c_transfer(i2c, &msg, 1) != 1)
+                return -EIO;
+
+        stv0299_enable_plli2c(fe);
+        msg.buf = reg2;
+        msg.len = sizeof(reg2);
+        if (i2c_transfer(i2c, &msg, 1) != 1)
+                return -EIO;
+
+        return 0;
+}
+
 static u8 typhoon_cinergy1200s_inittab[] = {
         0x01, 0x15,
         0x02, 0x30,
@@ -571,6 +705,18 @@ static struct stv0299_config cinergy_1200s_config = {
         .pll_set = philips_su1278_ty_ci_pll_set,
 };
 
+static struct stv0299_config cinergy_1200s_1894_0010_config = {
+        .demod_address = 0x68,
+        .inittab = typhoon_cinergy1200s_inittab,
+        .mclk = 88000000UL,
+        .invert = 1,
+        .skip_reinit = 0,
+        .lock_output = STV0229_LOCKOUTPUT_1,
+        .volt13_op0_op1 = STV0299_VOLT13_OP0,
+        .min_delay_ms = 100,
+        .set_symbol_rate = philips_su1278_ty_ci_set_symbol_rate,
+        .pll_set = philips_su1278sh2_tua6100_pll_set,
+};
 
 static int philips_cu1216_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
 {
@@ -767,6 +913,15 @@ static void frontend_init(struct budget_av *budget_av)
         switch (saa->pci->subsystem_device) {
 
         case SUBID_DVBS_KNC1:
+                if (saa->pci->subsystem_vendor == 0x1894) {
+                        fe = stv0299_attach(&cinergy_1200s_1894_0010_config,
+                                             &budget_av->budget.i2c_adap);
+                } else {
+                        fe = stv0299_attach(&typhoon_config,
+                                             &budget_av->budget.i2c_adap);
+                }
+                break;
+
         case SUBID_DVBS_KNC1_PLUS:
         case SUBID_DVBS_TYPHOON:
                 fe = stv0299_attach(&typhoon_config,
@@ -1021,6 +1176,7 @@ MAKE_BUDGET_INFO(cin1200t, "Terratec Cinergy 1200 DVB-T", BUDGET_CIN1200T);
 static struct pci_device_id pci_tbl[] = {
         MAKE_EXTENSION_PCI(knc1s, 0x1131, 0x4f56),
         MAKE_EXTENSION_PCI(knc1s, 0x1131, 0x0010),
+        MAKE_EXTENSION_PCI(knc1s, 0x1894, 0x0010),
         MAKE_EXTENSION_PCI(knc1sp, 0x1131, 0x0011),
         MAKE_EXTENSION_PCI(knc1c, 0x1894, 0x0020),
         MAKE_EXTENSION_PCI(knc1cp, 0x1894, 0x0021),