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path: root/drivers/media/dvb/frontends/it913x-fe.c
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Diffstat (limited to 'drivers/media/dvb/frontends/it913x-fe.c')
-rw-r--r--drivers/media/dvb/frontends/it913x-fe.c289
1 files changed, 213 insertions, 76 deletions
diff --git a/drivers/media/dvb/frontends/it913x-fe.c b/drivers/media/dvb/frontends/it913x-fe.c
index d4bd24eb4700..ccc36bf2deb4 100644
--- a/drivers/media/dvb/frontends/it913x-fe.c
+++ b/drivers/media/dvb/frontends/it913x-fe.c
@@ -46,13 +46,17 @@ MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able)).");
dprintk(level, name" (%02x%02x%02x%02x%02x%02x%02x%02x)", \
*p, *(p+1), *(p+2), *(p+3), *(p+4), \
*(p+5), *(p+6), *(p+7));
+#define info(format, arg...) \
+ printk(KERN_INFO "it913x-fe: " format "\n" , ## arg)
struct it913x_fe_state {
struct dvb_frontend frontend;
struct i2c_adapter *i2c_adap;
+ struct ite_config *config;
u8 i2c_addr;
u32 frequency;
- u8 adf;
+ fe_modulation_t constellation;
+ fe_transmit_mode_t transmission_mode;
u32 crystalFrequency;
u32 adcFrequency;
u8 tuner_type;
@@ -62,6 +66,7 @@ struct it913x_fe_state {
u8 tun_fdiv;
u8 tun_clk_mode;
u32 tun_fn_min;
+ u32 ucblocks;
};
static int it913x_read_reg(struct it913x_fe_state *state,
@@ -211,20 +216,24 @@ static int it913x_init_tuner(struct it913x_fe_state *state)
state->tun_fn_min /= (state->tun_fdiv * nv_val);
deb_info("Tuner fn_min %d", state->tun_fn_min);
- for (i = 0; i < 50; i++) {
- reg = it913x_read_reg_u8(state, 0xec82);
- if (reg > 0)
- break;
- if (reg < 0)
- return -ENODEV;
- udelay(2000);
+ if (state->config->chip_ver > 1)
+ msleep(50);
+ else {
+ for (i = 0; i < 50; i++) {
+ reg = it913x_read_reg_u8(state, 0xec82);
+ if (reg > 0)
+ break;
+ if (reg < 0)
+ return -ENODEV;
+ udelay(2000);
+ }
}
return it913x_write_reg(state, PRO_DMOD, 0xed81, val);
}
static int it9137_set_tuner(struct it913x_fe_state *state,
- enum fe_bandwidth bandwidth, u32 frequency_m)
+ u32 bandwidth, u32 frequency_m)
{
struct it913xset *set_tuner = set_it9137_template;
int ret, reg;
@@ -237,6 +246,11 @@ static int it9137_set_tuner(struct it913x_fe_state *state,
u8 lna_band;
u8 bw;
+ if (state->config->firmware_ver == 1)
+ set_tuner = set_it9135_template;
+ else
+ set_tuner = set_it9137_template;
+
deb_info("Tuner Frequency %d Bandwidth %d", frequency, bandwidth);
if (frequency >= 51000 && frequency <= 440000) {
@@ -273,16 +287,21 @@ static int it9137_set_tuner(struct it913x_fe_state *state,
return -EINVAL;
set_tuner[0].reg[0] = lna_band;
- if (bandwidth == BANDWIDTH_5_MHZ)
+ switch (bandwidth) {
+ case 5000000:
bw = 0;
- else if (bandwidth == BANDWIDTH_6_MHZ)
+ break;
+ case 6000000:
bw = 2;
- else if (bandwidth == BANDWIDTH_7_MHZ)
+ break;
+ case 7000000:
bw = 4;
- else if (bandwidth == BANDWIDTH_8_MHZ)
- bw = 6;
- else
+ break;
+ default:
+ case 8000000:
bw = 6;
+ break;
+ }
set_tuner[1].reg[0] = bw;
set_tuner[2].reg[0] = 0xa0 | (l_band << 3);
@@ -361,7 +380,7 @@ static int it9137_set_tuner(struct it913x_fe_state *state,
}
static int it913x_fe_select_bw(struct it913x_fe_state *state,
- enum fe_bandwidth bandwidth, u32 adcFrequency)
+ u32 bandwidth, u32 adcFrequency)
{
int ret, i;
u8 buffer[256];
@@ -374,17 +393,21 @@ static int it913x_fe_select_bw(struct it913x_fe_state *state,
deb_info("Bandwidth %d Adc %d", bandwidth, adcFrequency);
- if (bandwidth == BANDWIDTH_5_MHZ)
+ switch (bandwidth) {
+ case 5000000:
bw = 3;
- else if (bandwidth == BANDWIDTH_6_MHZ)
+ break;
+ case 6000000:
bw = 0;
- else if (bandwidth == BANDWIDTH_7_MHZ)
+ break;
+ case 7000000:
bw = 1;
- else if (bandwidth == BANDWIDTH_8_MHZ)
- bw = 2;
- else
+ break;
+ default:
+ case 8000000:
bw = 2;
-
+ break;
+ }
ret = it913x_write_reg(state, PRO_DMOD, REG_BW, bw);
if (state->table == NULL)
@@ -492,31 +515,79 @@ static int it913x_fe_read_signal_strength(struct dvb_frontend *fe,
return 0;
}
-static int it913x_fe_read_snr(struct dvb_frontend *fe, u16* snr)
+static int it913x_fe_read_snr(struct dvb_frontend *fe, u16 *snr)
{
struct it913x_fe_state *state = fe->demodulator_priv;
- int ret = it913x_read_reg_u8(state, SIGNAL_QUALITY);
- ret = (ret * 0xff) / 0x64;
- ret |= (ret << 0x8);
- *snr = ~ret;
- return 0;
+ int ret;
+ u8 reg[3];
+ u32 snr_val, snr_min, snr_max;
+ u32 temp;
+
+ ret = it913x_read_reg(state, 0x2c, reg, sizeof(reg));
+
+ snr_val = (u32)(reg[2] << 16) | (reg[1] << 8) | reg[0];
+
+ ret |= it913x_read_reg(state, 0xf78b, reg, 1);
+ if (reg[0])
+ snr_val /= reg[0];
+
+ if (state->transmission_mode == TRANSMISSION_MODE_2K)
+ snr_val *= 4;
+ else if (state->transmission_mode == TRANSMISSION_MODE_4K)
+ snr_val *= 2;
+
+ if (state->constellation == QPSK) {
+ snr_min = 0xb4711;
+ snr_max = 0x191451;
+ } else if (state->constellation == QAM_16) {
+ snr_min = 0x4f0d5;
+ snr_max = 0xc7925;
+ } else if (state->constellation == QAM_64) {
+ snr_min = 0x256d0;
+ snr_max = 0x626be;
+ } else
+ return -EINVAL;
+
+ if (snr_val < snr_min)
+ *snr = 0;
+ else if (snr_val < snr_max) {
+ temp = (snr_val - snr_min) >> 5;
+ temp *= 0xffff;
+ temp /= (snr_max - snr_min) >> 5;
+ *snr = (u16)temp;
+ } else
+ *snr = 0xffff;
+
+ return (ret < 0) ? -ENODEV : 0;
}
static int it913x_fe_read_ber(struct dvb_frontend *fe, u32 *ber)
{
- *ber = 0;
+ struct it913x_fe_state *state = fe->demodulator_priv;
+ int ret;
+ u8 reg[5];
+ /* Read Aborted Packets and Pre-Viterbi error rate 5 bytes */
+ ret = it913x_read_reg(state, RSD_ABORT_PKT_LSB, reg, sizeof(reg));
+ state->ucblocks += (u32)(reg[1] << 8) | reg[0];
+ *ber = (u32)(reg[4] << 16) | (reg[3] << 8) | reg[2];
return 0;
}
static int it913x_fe_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{
- *ucblocks = 0;
- return 0;
+ struct it913x_fe_state *state = fe->demodulator_priv;
+ int ret;
+ u8 reg[2];
+ /* Aborted Packets */
+ ret = it913x_read_reg(state, RSD_ABORT_PKT_LSB, reg, sizeof(reg));
+ state->ucblocks += (u32)(reg[1] << 8) | reg[0];
+ *ucblocks = state->ucblocks;
+ return ret;
}
-static int it913x_fe_get_frontend(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *p)
+static int it913x_fe_get_frontend(struct dvb_frontend *fe)
{
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct it913x_fe_state *state = fe->demodulator_priv;
int ret;
u8 reg[8];
@@ -524,26 +595,30 @@ static int it913x_fe_get_frontend(struct dvb_frontend *fe,
ret = it913x_read_reg(state, REG_TPSD_TX_MODE, reg, sizeof(reg));
if (reg[3] < 3)
- p->u.ofdm.constellation = fe_con[reg[3]];
+ p->modulation = fe_con[reg[3]];
if (reg[0] < 3)
- p->u.ofdm.transmission_mode = fe_mode[reg[0]];
+ p->transmission_mode = fe_mode[reg[0]];
if (reg[1] < 4)
- p->u.ofdm.guard_interval = fe_gi[reg[1]];
+ p->guard_interval = fe_gi[reg[1]];
if (reg[2] < 4)
- p->u.ofdm.hierarchy_information = fe_hi[reg[2]];
+ p->hierarchy = fe_hi[reg[2]];
+
+ p->code_rate_HP = (reg[6] < 6) ? fe_code[reg[6]] : FEC_NONE;
+ p->code_rate_LP = (reg[7] < 6) ? fe_code[reg[7]] : FEC_NONE;
- p->u.ofdm.code_rate_HP = (reg[6] < 6) ? fe_code[reg[6]] : FEC_NONE;
- p->u.ofdm.code_rate_LP = (reg[7] < 6) ? fe_code[reg[7]] : FEC_NONE;
+ /* Update internal state to reflect the autodetected props */
+ state->constellation = p->modulation;
+ state->transmission_mode = p->transmission_mode;
return 0;
}
-static int it913x_fe_set_frontend(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *p)
+static int it913x_fe_set_frontend(struct dvb_frontend *fe)
{
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct it913x_fe_state *state = fe->demodulator_priv;
int ret, i;
u8 empty_ch, last_ch;
@@ -551,7 +626,7 @@ static int it913x_fe_set_frontend(struct dvb_frontend *fe,
state->it913x_status = 0;
/* Set bw*/
- ret = it913x_fe_select_bw(state, p->u.ofdm.bandwidth,
+ ret = it913x_fe_select_bw(state, p->bandwidth_hz,
state->adcFrequency);
/* Training Mode Off */
@@ -571,20 +646,25 @@ static int it913x_fe_set_frontend(struct dvb_frontend *fe,
i = 1;
else if ((p->frequency >= 1450000000) && (p->frequency <= 1680000000))
i = 2;
- else
- return -EOPNOTSUPP;
+ else
+ return -EOPNOTSUPP;
ret = it913x_write_reg(state, PRO_DMOD, FREE_BAND, i);
deb_info("Frontend Set Tuner Type %02x", state->tuner_type);
switch (state->tuner_type) {
- case IT9137: /* Tuner type 0x38 */
+ case IT9135_38:
+ case IT9135_51:
+ case IT9135_52:
+ case IT9135_60:
+ case IT9135_61:
+ case IT9135_62:
ret = it9137_set_tuner(state,
- p->u.ofdm.bandwidth, p->frequency);
+ p->bandwidth_hz, p->frequency);
break;
default:
if (fe->ops.tuner_ops.set_params) {
- fe->ops.tuner_ops.set_params(fe, p);
+ fe->ops.tuner_ops.set_params(fe);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
}
@@ -678,16 +758,19 @@ static u32 compute_div(u32 a, u32 b, u32 x)
static int it913x_fe_start(struct it913x_fe_state *state)
{
- struct it913xset *set_fe;
+ struct it913xset *set_lna;
struct it913xset *set_mode;
int ret;
- u8 adf = (state->adf & 0xf);
+ u8 adf = (state->config->adf & 0xf);
u32 adc, xtal;
u8 b[4];
- ret = it913x_init_tuner(state);
+ if (state->config->chip_ver == 1)
+ ret = it913x_init_tuner(state);
+
+ info("ADF table value :%02x", adf);
- if (adf < 12) {
+ if (adf < 10) {
state->crystalFrequency = fe_clockTable[adf].xtal ;
state->table = fe_clockTable[adf].table;
state->adcFrequency = state->table->adcFrequency;
@@ -698,9 +781,6 @@ static int it913x_fe_start(struct it913x_fe_state *state)
} else
return -EINVAL;
- deb_info("Xtal Freq :%d Adc Freq :%d Adc %08x Xtal %08x",
- state->crystalFrequency, state->adcFrequency, adc, xtal);
-
/* Set LED indicator on GPIOH3 */
ret = it913x_write_reg(state, PRO_LINK, GPIOH3_EN, 0x1);
ret |= it913x_write_reg(state, PRO_LINK, GPIOH3_ON, 0x1);
@@ -721,22 +801,71 @@ static int it913x_fe_start(struct it913x_fe_state *state)
b[2] = (adc >> 16) & 0xff;
ret |= it913x_write(state, PRO_DMOD, ADC_FREQ, b, 3);
+ if (state->config->adc_x2)
+ ret |= it913x_write_reg(state, PRO_DMOD, ADC_X_2, 0x01);
+ b[0] = 0;
+ b[1] = 0;
+ b[2] = 0;
+ ret |= it913x_write(state, PRO_DMOD, 0x0029, b, 3);
+
+ info("Crystal Frequency :%d Adc Frequency :%d ADC X2: %02x",
+ state->crystalFrequency, state->adcFrequency,
+ state->config->adc_x2);
+ deb_info("Xtal value :%04x Adc value :%04x", xtal, adc);
+
+ if (ret < 0)
+ return -ENODEV;
+
+ /* v1 or v2 tuner script */
+ if (state->config->chip_ver > 1)
+ ret = it913x_fe_script_loader(state, it9135_v2);
+ else
+ ret = it913x_fe_script_loader(state, it9135_v1);
+ if (ret < 0)
+ return ret;
+
+ /* LNA Scripts */
switch (state->tuner_type) {
- case IT9137: /* Tuner type 0x38 */
- set_fe = it9137_set;
+ case IT9135_51:
+ set_lna = it9135_51;
+ break;
+ case IT9135_52:
+ set_lna = it9135_52;
+ break;
+ case IT9135_60:
+ set_lna = it9135_60;
+ break;
+ case IT9135_61:
+ set_lna = it9135_61;
break;
+ case IT9135_62:
+ set_lna = it9135_62;
+ break;
+ case IT9135_38:
default:
- return -EINVAL;
+ set_lna = it9135_38;
}
+ info("Tuner LNA type :%02x", state->tuner_type);
+
+ ret = it913x_fe_script_loader(state, set_lna);
+ if (ret < 0)
+ return ret;
+
+ if (state->config->chip_ver == 2) {
+ ret = it913x_write_reg(state, PRO_DMOD, TRIGGER_OFSM, 0x1);
+ ret |= it913x_write_reg(state, PRO_LINK, PADODPU, 0x0);
+ ret |= it913x_write_reg(state, PRO_LINK, AGC_O_D, 0x0);
+ ret |= it913x_init_tuner(state);
+ }
+ if (ret < 0)
+ return -ENODEV;
- /* set the demod */
- ret = it913x_fe_script_loader(state, set_fe);
/* Always solo frontend */
set_mode = set_solo_fe;
ret |= it913x_fe_script_loader(state, set_mode);
ret |= it913x_fe_suspend(state);
- return 0;
+ return (ret < 0) ? -ENODEV : 0;
}
static int it913x_fe_init(struct dvb_frontend *fe)
@@ -746,17 +875,11 @@ static int it913x_fe_init(struct dvb_frontend *fe)
/* Power Up Tuner - common all versions */
ret = it913x_write_reg(state, PRO_DMOD, 0xec40, 0x1);
- ret |= it913x_write_reg(state, PRO_DMOD, AFE_MEM0, 0x0);
-
ret |= it913x_fe_script_loader(state, init_1);
- switch (state->tuner_type) {
- case IT9137:
- ret |= it913x_write_reg(state, PRO_DMOD, 0xfba8, 0x0);
- break;
- default:
- return -EINVAL;
- }
+ ret |= it913x_write_reg(state, PRO_DMOD, AFE_MEM0, 0x0);
+
+ ret |= it913x_write_reg(state, PRO_DMOD, 0xfba8, 0x0);
return (ret < 0) ? -ENODEV : 0;
}
@@ -770,19 +893,34 @@ static void it913x_fe_release(struct dvb_frontend *fe)
static struct dvb_frontend_ops it913x_fe_ofdm_ops;
struct dvb_frontend *it913x_fe_attach(struct i2c_adapter *i2c_adap,
- u8 i2c_addr, u8 adf, u8 type)
+ u8 i2c_addr, struct ite_config *config)
{
struct it913x_fe_state *state = NULL;
int ret;
+
/* allocate memory for the internal state */
state = kzalloc(sizeof(struct it913x_fe_state), GFP_KERNEL);
if (state == NULL)
+ return NULL;
+ if (config == NULL)
goto error;
state->i2c_adap = i2c_adap;
state->i2c_addr = i2c_addr;
- state->adf = adf;
- state->tuner_type = type;
+ state->config = config;
+
+ switch (state->config->tuner_id_0) {
+ case IT9135_51:
+ case IT9135_52:
+ case IT9135_60:
+ case IT9135_61:
+ case IT9135_62:
+ state->tuner_type = state->config->tuner_id_0;
+ break;
+ default:
+ case IT9135_38:
+ state->tuner_type = IT9135_38;
+ }
ret = it913x_fe_start(state);
if (ret < 0)
@@ -802,10 +940,9 @@ error:
EXPORT_SYMBOL(it913x_fe_attach);
static struct dvb_frontend_ops it913x_fe_ofdm_ops = {
-
+ .delsys = { SYS_DVBT },
.info = {
.name = "it913x-fe DVB-T",
- .type = FE_OFDM,
.frequency_min = 51000000,
.frequency_max = 1680000000,
.frequency_stepsize = 62500,
@@ -835,5 +972,5 @@ static struct dvb_frontend_ops it913x_fe_ofdm_ops = {
MODULE_DESCRIPTION("it913x Frontend and it9137 tuner");
MODULE_AUTHOR("Malcolm Priestley tvboxspy@gmail.com");
-MODULE_VERSION("1.07");
+MODULE_VERSION("1.13");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 12:16:45 +0100