/***************************************************************************//**
* @brief dds_set_phase
*******************************************************************************/
int32_t dds_set_phase(uint32_t chan, uint32_t phase)
{
uint32_t pcore_version;
uint64_t val64;
uint32_t reg;
dac_read(DAC_REG_VERSION, &pcore_version);
if(DAC_PCORE_VERSION_MAJOR(pcore_version) < 8)
{
dac_write(DAC_REG_CNTRL_1, 0);
}
dac_read(DAC_REG_CHAN_CNTRL_2_IIOCHAN(chan), ®);
reg &= ~DAC_DDS_INIT(~0);
val64 = (uint64_t) phase * 0x10000ULL + (360000 / 2);
val64 = val64 / 360000;
reg |= DAC_DDS_INIT(val64);
dac_write(DAC_REG_CHAN_CNTRL_2_IIOCHAN(chan), reg);
if(DAC_PCORE_VERSION_MAJOR(pcore_version) < 8)
{
dac_write(DAC_REG_CNTRL_1, DAC_ENABLE);
}
else
{
dac_write(DAC_REG_CNTRL_1, DAC_SYNC);
}
return 0;
}
int32_t dac_data_src_sel(dac_core *core,
int32_t chan,
dac_data_src src)
{
uint32_t pcore_version;
uint32_t reg;
int32_t i;
dac_read(core, DAC_REG_VERSION, &pcore_version);
// single core control for all channels
if (DAC_PCORE_VERSION_MAJOR(pcore_version) < 7)
{
dac_read(core, DAC_REG_DATA_CONTROL, ®);
reg = (reg & ~DAC_DATA_SEL(~0)) | DAC_DATA_SEL(src);
dac_write(core, DAC_REG_DATA_CONTROL, reg);
return(0);
}
// per channel source select
for (i = 0; i < (core->no_of_channels * 2); i++)
{
if ((chan < 0) || (chan == i))
dac_write(core, DAC_REG_DATA_SELECT(i), src);
}
dac_write(core, DAC_REG_SYNC_CONTROL, DAC_SYNC);
return(0);
}
/***************************************************************************//**
* @brief dds_set_calib_scale_phase
*******************************************************************************/
int32_t dds_set_calib_scale_phase(struct ad9361_rf_phy *phy,
uint32_t phase,
uint32_t chan,
int32_t val,
int32_t val2)
{
uint32_t reg;
uint32_t i;
if (PCORE_VERSION_MAJOR(dds_st[phy->id_no].pcore_version) < 8) {
return -1;
}
i = dds_to_signed_mag_fmt(val, val2);
dac_read(phy, DAC_REG_CHAN_CNTRL_8(chan), ®);
if (!((chan + phase) % 2)) {
reg &= ~DAC_IQCOR_COEFF_1(~0);
reg |= DAC_IQCOR_COEFF_1(i);
} else {
reg &= ~DAC_IQCOR_COEFF_2(~0);
reg |= DAC_IQCOR_COEFF_2(i);
}
dac_write(phy, DAC_REG_CHAN_CNTRL_8(chan), reg);
dac_write(phy, DAC_REG_CHAN_CNTRL_6(chan), DAC_IQCOR_ENB);
return 0;
}
/***************************************************************************//**
* @brief dac_datasel
*******************************************************************************/
int dac_datasel(struct ad9361_rf_phy *phy, int32_t chan, enum dds_data_select sel)
{
if (PCORE_VERSION_MAJOR(dds_st[phy->id_no].pcore_version) > 7) {
if (chan < 0) { /* ALL */
uint32_t i;
for (i = 0; i < dds_st[phy->id_no].num_dds_channels; i++) {
dac_write(phy, DAC_REG_CHAN_CNTRL_7(i), sel);
}
} else {
dac_write(phy, DAC_REG_CHAN_CNTRL_7(chan), sel);
}
} else {
uint32_t reg;
switch(sel) {
case DATA_SEL_DDS:
case DATA_SEL_SED:
case DATA_SEL_DMA:
dac_read(phy, DAC_REG_CNTRL_2, ®);
reg &= ~DAC_DATA_SEL(~0);
reg |= DAC_DATA_SEL(sel);
dac_write(phy, DAC_REG_CNTRL_2, reg);
break;
default:
return -EINVAL;
}
}
return 0;
}
/***************************************************************************//**
* @brief dac_datasel
*******************************************************************************/
int dac_datasel(int32_t chan, enum dds_data_select sel)
{
if (PCORE_VERSION_MAJOR(dds_st.pcore_version) > 7) {
if (chan < 0) { /* ALL */
int i;
for (i = 0; i < dds_st.num_dds_channels; i++) {
dac_write(ADI_REG_CHAN_CNTRL_7(i), sel);
}
} else {
dac_write(ADI_REG_CHAN_CNTRL_7(chan), sel);
}
} else {
uint32_t reg;
switch(sel) {
case DATA_SEL_DDS:
case DATA_SEL_SED:
case DATA_SEL_DMA:
dac_read(ADI_REG_CNTRL_2, ®);
reg &= ~ADI_DATA_SEL(~0);
reg |= ADI_DATA_SEL(sel);
dac_write(ADI_REG_CNTRL_2, reg);
break;
default:
return -EINVAL;
}
}
return 0;
}
/***************************************************************************//**
* @brief dac_setup
*******************************************************************************/
int32_t dac_setup(uint32_t baseaddr)
{
uint32_t status;
dac_baseaddr = baseaddr;
dac_write(DAC_REG_RSTN, 0x00);
dac_write(DAC_REG_RSTN, 0x03);
mdelay(100);
dac_read(DAC_REG_STATUS, &status);
if(status == 0x0)
{
xil_printf("DAC Core Status errors.\n\r");
return -1;
}
else
{
xil_printf("DAC Core successfully initialized.\n");
return 0;
}
}
/***************************************************************************//**
* @brief dds_set_frequency
*******************************************************************************/
void dds_set_frequency(uint32_t chan, uint32_t freq)
{
uint64_t val64;
uint32_t ctrl_reg, reg;
dac_read(ADI_REG_CNTRL_1, &ctrl_reg);
dds_st.cached_freq[chan] = freq;
dac_write(ADI_REG_CNTRL_1, 0);
dac_read(ADI_REG_CHAN_CNTRL_2_IIOCHAN(chan), ®);
reg &= ~ADI_DDS_INCR(~0);
val64 = (u64) freq * 0xFFFFULL;
do_div(val64, *dds_st.dac_clk);
reg |= ADI_DDS_INCR(val64) | 1;
dac_write(ADI_REG_CHAN_CNTRL_2_IIOCHAN(chan), reg);
dac_write(ADI_REG_CNTRL_1, ctrl_reg);
}
/***************************************************************************//**
* @brief dds_set_phase
*******************************************************************************/
void dds_set_phase(uint32_t chan, uint32_t phase)
{
uint64_t val64;
uint32_t ctrl_reg, reg;
dac_read(ADI_REG_CNTRL_1, &ctrl_reg);
dds_st.cached_phase[chan] = phase;
dac_write(ADI_REG_CNTRL_1, 0);
dac_read(ADI_REG_CHAN_CNTRL_2_IIOCHAN(chan), ®);
reg &= ~ADI_DDS_INIT(~0);
val64 = (u64) phase * 0x10000ULL + (360000 / 2);
do_div(val64, 360000);
reg |= ADI_DDS_INIT(val64);
dac_write(ADI_REG_CHAN_CNTRL_2_IIOCHAN(chan), reg);
dac_write(ADI_REG_CNTRL_1, ctrl_reg);
}
/***************************************************************************//**
* @brief dac_setup
*******************************************************************************/
int32_t dac_setup(mykonosDevice_t *myk_dev,
dac_core *core)
{
uint32_t reg_data;
if (core->plddr_bypass_gpio) {
/*
* The default HDL design features a optional high bandwidth DDR FIFO,
* it can be bypassed using this fabric internal GPIO
*/
gpio_direction_output(core->plddr_bypass_gpio, !(core->dma_type == DMA_PLDDR_FIFO));
}
dac_write(core, DAC_REG_RSTN, 0x00);
dac_write(core, DAC_REG_RSTN, 0x03);
mdelay(100);
dac_read(core, DAC_REG_STATUS, ®_data);
if (reg_data == 0x0) {
printf("%s DAC Core Status errors.\n", __func__);
return -1;
}
core->clock = myk_dev->tx->txProfile->iqRate_kHz * 1000;
dac_write(core, DAC_REG_RATECNTRL, DAC_RATE(3));
printf("%s dac core initialized (%"PRIu64" MHz).\n",
__func__, core->clock / 1000000);
dac_data_setup(core);
return 0;
}
int32_t dds_set_scale(dac_core *core,
uint32_t chan,
int32_t scale_micro_units)
{
uint32_t pcore_version;
uint32_t scale_reg;
dac_read(core, DAC_REG_VERSION, &pcore_version);
// only ise projects support binary shift scaling, if you think you need
// this supported in this driver, let us know.
if (DAC_PCORE_VERSION_MAJOR(pcore_version) < 6)
{
printf("%s ERROR: Sorry, binary scale is NOT supported!\n", __func__);
return(-1);
}
scale_reg = scale_micro_units;
if (scale_micro_units < 0)
scale_reg = scale_micro_units * -1;
if (scale_reg >= 1999000)
scale_reg = 1999000;
scale_reg = (uint32_t)(((uint64_t)scale_reg * 0x4000) / 1000000);
if (scale_micro_units < 0)
scale_reg = scale_reg | 0x8000;
dac_write(core, DAC_REG_SYNC_CONTROL, 0);
dac_write(core, DAC_REG_DDS_SCALE(chan), DAC_DDS_SCALE(scale_reg));
dac_write(core, DAC_REG_SYNC_CONTROL, DAC_SYNC);
return(0);
}
/***************************************************************************//**
* @brief dds_get_calib_scale_phase
*******************************************************************************/
int32_t dds_get_calib_scale_phase(struct ad9361_rf_phy *phy,
uint32_t phase,
uint32_t chan,
int32_t *val,
int32_t *val2)
{
uint32_t reg;
if (PCORE_VERSION_MAJOR(dds_st[phy->id_no].pcore_version) < 8) {
return -1;
}
dac_read(phy, DAC_REG_CHAN_CNTRL_8(chan), ®);
/* format is 1.1.14 (sign, integer and fractional bits) */
if (!((phase + chan) % 2)) {
reg = DAC_TO_IQCOR_COEFF_1(reg);
} else {
reg = DAC_TO_IQCOR_COEFF_2(reg);
}
dds_from_signed_mag_fmt(reg, val, val2);
return 0;
}
/***************************************************************************//**
* @brief dds_set_phase
*******************************************************************************/
void dds_set_scale(uint32_t chan, uint32_t scale)
{
uint32_t ctrl_reg;
dac_read(ADI_REG_CNTRL_1, &ctrl_reg);
dds_st.cached_scale[chan] = scale;
dac_write(ADI_REG_CNTRL_1, 0);
dac_write(ADI_REG_CHAN_CNTRL_1_IIOCHAN(chan), ADI_DDS_SCALE(scale));
dac_write(ADI_REG_CNTRL_1, ctrl_reg);
}
/***************************************************************************//**
* @brief dds_set_frequency
*******************************************************************************/
int32_t dds_set_frequency(uint32_t chan, uint32_t freq)
{
uint32_t pcore_version;
uint32_t val;
uint64_t val64;
uint32_t reg;
uint64_t dac_clk;
dac_read(DAC_REG_CLK_FREQ, &val);
dac_clk = val;
dac_read(DAC_REG_CLK_RATIO, &val);
dac_clk *= val * 1525;
dac_read(DAC_REG_VERSION, &pcore_version);
if(DAC_PCORE_VERSION_MAJOR(pcore_version) < 8)
{
dac_write(DAC_REG_CNTRL_1, 0);
}
dac_read(DAC_REG_CHAN_CNTRL_2_IIOCHAN(chan), ®);
reg &= ~DAC_DDS_INCR(~0);
val64 = (uint64_t) freq * 0xFFFFULL;
val64 = val64 / dac_clk;
reg |= DAC_DDS_INCR(val64) | 1;
dac_write(DAC_REG_CHAN_CNTRL_2_IIOCHAN(chan), reg);
if(DAC_PCORE_VERSION_MAJOR(pcore_version) < 8)
{
dac_write(DAC_REG_CNTRL_1, DAC_ENABLE);
}
else
{
dac_write(DAC_REG_CNTRL_1, DAC_SYNC);
}
return 0;
}
/***************************************************************************//**
* @brief dds_set_frequency
*******************************************************************************/
void dds_set_frequency(struct ad9361_rf_phy *phy, uint32_t chan, uint32_t freq)
{
uint64_t val64;
uint32_t reg;
dds_st[phy->id_no].cached_freq[chan] = freq;
dac_stop(phy);
dac_read(phy, DAC_REG_CHAN_CNTRL_2_IIOCHAN(chan), ®);
reg &= ~DAC_DDS_INCR(~0);
val64 = (uint64_t) freq * 0xFFFFULL;
do_div(&val64, *dds_st[phy->id_no].dac_clk);
reg |= DAC_DDS_INCR(val64) | 1;
dac_write(phy, DAC_REG_CHAN_CNTRL_2_IIOCHAN(chan), reg);
dac_start_sync(phy, 0);
}
/***************************************************************************//**
* @brief dds_set_phase
*******************************************************************************/
void dds_set_phase(struct ad9361_rf_phy *phy, uint32_t chan, uint32_t phase)
{
uint64_t val64;
uint32_t reg;
dds_st[phy->id_no].cached_phase[chan] = phase;
dac_stop(phy);
dac_read(phy, DAC_REG_CHAN_CNTRL_2_IIOCHAN(chan), ®);
reg &= ~DAC_DDS_INIT(~0);
val64 = (uint64_t) phase * 0x10000ULL + (360000 / 2);
do_div(&val64, 360000);
reg |= DAC_DDS_INIT(val64);
dac_write(phy, DAC_REG_CHAN_CNTRL_2_IIOCHAN(chan), reg);
dac_start_sync(phy, 0);
}
int32_t dds_set_phase(dac_core *core,
uint32_t chan,
uint32_t phase)
{
uint64_t val64;
uint32_t reg;
dac_write(core, DAC_REG_SYNC_CONTROL, 0);
dac_read(core, DAC_REG_DDS_INIT_INCR(chan), ®);
val64 = (uint64_t) phase * 0x10000ULL + (360000 / 2);
val64 = val64 / 360000;
reg = (reg & ~DAC_DDS_INIT(~0)) | DAC_DDS_INIT(val64);
dac_write(core, DAC_REG_DDS_INIT_INCR(chan), reg);
dac_write(core, DAC_REG_SYNC_CONTROL, DAC_SYNC);
return 0;
}
int32_t dds_set_frequency(dac_core *core,
uint32_t chan,
uint32_t freq)
{
uint64_t val64;
uint32_t reg;
dac_write(core, DAC_REG_SYNC_CONTROL, 0);
dac_read(core, DAC_REG_DDS_INIT_INCR(chan), ®);
val64 = (uint64_t) freq * 0xFFFFULL;
val64 = val64 / core->clock;
reg = (reg & ~DAC_DDS_INCR(~0)) | DAC_DDS_INCR(val64) | 1;
dac_write(core, DAC_REG_DDS_INIT_INCR(chan), reg);
dac_write(core, DAC_REG_SYNC_CONTROL, DAC_SYNC);
return 0;
}
float analogout_read(dac_t *obj) {
uint32_t value = dac_read(obj);
return (float)((float)value * (1.0f / (float)DAC_RANGE));
}
uint16_t analogout_read_u16(dac_t *obj) {
return (uint16_t)dac_read(obj);
}
float analogout_read(dac_t *obj) {
uint32_t value = dac_read(obj);
return (float)value * (1.0f / (float)RANGE_12BIT);
}
float analogout_read(dac_t *obj) {
uint32_t value = dac_read();
return (float)value * (1.0f / (float)0xFFF);
}
/***************************************************************************//**
* @brief dds_set_phase
*******************************************************************************/
void dds_set_scale(uint32_t chan, double scale)
{
uint32_t ctrl_reg;
uint32_t scale_reg;
uint32_t sign_part;
uint32_t int_part;
uint32_t fract_part;
if (PCORE_VERSION_MAJOR(dds_st.pcore_version) > 6)
{
if(scale >= 1.0)
{
sign_part = 0;
int_part = 1;
fract_part = 0;
dds_st.cached_scale[chan] = 1.0;
goto set_scale_reg;
}
if(scale <= -1.0)
{
sign_part = 1;
int_part = 1;
fract_part = 0;
dds_st.cached_scale[chan] = -1.0;
goto set_scale_reg;
}
if(scale < 0)
{
sign_part = 1;
int_part = 0;
dds_st.cached_scale[chan] = scale;
scale *= -1;
goto set_scale_reg;
}
sign_part = 0;
int_part = 0;
dds_st.cached_scale[chan] = scale;
fract_part = (uint32_t)(scale * 0x4000);
set_scale_reg:
scale_reg = (sign_part << 15) | (int_part << 14) | fract_part;
}
else
{
if(scale >= 1.0)
{
scale_reg = 0;
scale = 1.0;
}
if(scale <= 0.0)
{
scale_reg = 0;
scale = 0.0;
}
dds_st.cached_scale[chan] = scale;
fract_part = (uint32_t)(scale * 1000000);
scale_reg = 500000 / fract_part;
}
dac_read(ADI_REG_CNTRL_1, &ctrl_reg);
dac_write(ADI_REG_CNTRL_1, 0);
dac_write(ADI_REG_CHAN_CNTRL_1_IIOCHAN(chan), ADI_DDS_SCALE(scale_reg));
dac_write(ADI_REG_CNTRL_1, ctrl_reg);
}
/***************************************************************************//**
* @brief dac_init
*******************************************************************************/
void dac_init(struct ad9361_rf_phy *phy, uint8_t data_sel, uint8_t config_dma)
{
uint32_t tx_count;
uint32_t index;
uint32_t index_i1;
uint32_t index_q1;
uint32_t index_i2;
uint32_t index_q2;
uint32_t index_mem;
uint32_t data_i1;
uint32_t data_q1;
uint32_t data_i2;
uint32_t data_q2;
uint32_t length;
dac_write(phy, DAC_REG_RSTN, 0x0);
dac_write(phy, DAC_REG_RSTN, DAC_RSTN | DAC_MMCM_RSTN);
dds_st[phy->id_no].dac_clk = &phy->clks[TX_SAMPL_CLK]->rate;
dds_st[phy->id_no].rx2tx2 = phy->pdata->rx2tx2;
if(dds_st[phy->id_no].rx2tx2)
{
dds_st[phy->id_no].num_buf_channels = 4;
dac_write(phy, DAC_REG_RATECNTRL, DAC_RATE(3));
}
else
{
dds_st[phy->id_no].num_buf_channels = 2;
dac_write(phy, DAC_REG_RATECNTRL, DAC_RATE(1));
}
dac_read(phy, DAC_REG_VERSION, &dds_st[phy->id_no].pcore_version);
dac_stop(phy);
switch (data_sel) {
case DATA_SEL_DDS:
dds_default_setup(phy, DDS_CHAN_TX1_I_F1, 90000, 1000000, 250000);
dds_default_setup(phy, DDS_CHAN_TX1_I_F2, 90000, 1000000, 250000);
dds_default_setup(phy, DDS_CHAN_TX1_Q_F1, 0, 1000000, 250000);
dds_default_setup(phy, DDS_CHAN_TX1_Q_F2, 0, 1000000, 250000);
if(dds_st[phy->id_no].rx2tx2)
{
dds_default_setup(phy, DDS_CHAN_TX2_I_F1, 90000, 1000000, 250000);
dds_default_setup(phy, DDS_CHAN_TX2_I_F2, 90000, 1000000, 250000);
dds_default_setup(phy, DDS_CHAN_TX2_Q_F1, 0, 1000000, 250000);
dds_default_setup(phy, DDS_CHAN_TX2_Q_F2, 0, 1000000, 250000);
}
dac_write(phy, DAC_REG_CNTRL_2, 0);
dac_datasel(phy, -1, DATA_SEL_DDS);
break;
case DATA_SEL_DMA:
if(config_dma)
{
tx_count = sizeof(sine_lut) / sizeof(uint16_t);
if(dds_st[phy->id_no].rx2tx2)
{
#ifdef FMCOMMS5
for(index = 0, index_mem = 0; index < (tx_count * 2); index += 2, index_mem += 4)
#else
for(index = 0, index_mem = 0; index < (tx_count * 2); index += 2, index_mem += 2)
#endif
{
index_i1 = index;
index_q1 = index + (tx_count / 2);
if(index_q1 >= (tx_count * 2))
index_q1 -= (tx_count * 2);
data_i1 = (sine_lut[index_i1 / 2] << 20);
data_q1 = (sine_lut[index_q1 / 2] << 4);
Xil_Out32(DAC_DDR_BASEADDR + index_mem * 4, data_i1 | data_q1);
index_i2 = index_i1;
index_q2 = index_q1;
if(index_i2 >= (tx_count * 2))
index_i2 -= (tx_count * 2);
if(index_q2 >= (tx_count * 2))
index_q2 -= (tx_count * 2);
data_i2 = (sine_lut[index_i2 / 2] << 20);
data_q2 = (sine_lut[index_q2 / 2] << 4);
Xil_Out32(DAC_DDR_BASEADDR + (index_mem + 1) * 4, data_i2 | data_q2);
#ifdef FMCOMMS5
Xil_Out32(DAC_DDR_BASEADDR + (index_mem + 2) * 4, data_i1 | data_q1);
Xil_Out32(DAC_DDR_BASEADDR + (index_mem + 3) * 4, data_i2 | data_q2);
#endif
}
}
else
{
for(index = 0; index < tx_count; index += 1)
{
index_i1 = index;
index_q1 = index + (tx_count / 4);
if(index_q1 >= tx_count)
index_q1 -= tx_count;
data_i1 = (sine_lut[index_i1] << 20);
data_q1 = (sine_lut[index_q1] << 4);
Xil_Out32(DAC_DDR_BASEADDR + index * 4, data_i1 | data_q1);
}
}
Xil_DCacheFlush();
if(dds_st[phy->id_no].rx2tx2)
{
length = (tx_count * 8);
}
else
{
length = (tx_count * 4);
}
#ifdef FMCOMMS5
length = (tx_count * 16);
#endif
dac_dma_write(AXI_DMAC_REG_CTRL, 0);
dac_dma_write(AXI_DMAC_REG_CTRL, AXI_DMAC_CTRL_ENABLE);
dac_dma_write(AXI_DMAC_REG_SRC_ADDRESS, DAC_DDR_BASEADDR);
dac_dma_write(AXI_DMAC_REG_SRC_STRIDE, 0x0);
dac_dma_write(AXI_DMAC_REG_X_LENGTH, length - 1);
dac_dma_write(AXI_DMAC_REG_Y_LENGTH, 0x0);
dac_dma_write(AXI_DMAC_REG_START_TRANSFER, 0x1);
}
dac_write(phy, DAC_REG_CNTRL_2, 0);
dac_datasel(phy, -1, DATA_SEL_DMA);
break;
default:
break;
}
dds_st[phy->id_no].enable = true;
dac_start_sync(phy, 0);
}
/***************************************************************************//**
* @brief dds_set_scale
*******************************************************************************/
int32_t dds_set_scale(uint32_t chan, int32_t scale_micro_units)
{
uint32_t pcore_version;
uint32_t scale_reg;
uint32_t sign_part;
uint32_t int_part;
uint32_t fract_part;
dac_read(DAC_REG_VERSION, &pcore_version);
if(DAC_PCORE_VERSION_MAJOR(pcore_version) > 6)
{
if(scale_micro_units >= 1000000)
{
sign_part = 0;
int_part = 1;
fract_part = 0;
goto set_scale_reg;
}
if(scale_micro_units <= -1000000)
{
sign_part = 1;
int_part = 1;
fract_part = 0;
goto set_scale_reg;
}
if(scale_micro_units < 0)
{
sign_part = 1;
int_part = 0;
scale_micro_units *= -1;
}
else
{
sign_part = 0;
int_part = 0;
}
fract_part = (uint32_t)(((uint64_t)scale_micro_units * 0x4000) / 1000000);
set_scale_reg:
scale_reg = (sign_part << 15) | (int_part << 14) | fract_part;
}
else
{
if(scale_micro_units >= 1000000)
{
scale_reg = 0;
scale_micro_units = 1000000;
}
if(scale_micro_units <= 0)
{
scale_reg = 0;
scale_micro_units = 0;
}
fract_part = (uint32_t)(scale_micro_units);
scale_reg = 500000 / fract_part;
}
if(DAC_PCORE_VERSION_MAJOR(pcore_version) < 8)
{
dac_write(DAC_REG_CNTRL_1, 0);
}
dac_write(DAC_REG_CHAN_CNTRL_1_IIOCHAN(chan), DAC_DDS_SCALE(scale_reg));
if(DAC_PCORE_VERSION_MAJOR(pcore_version) < 8)
{
dac_write(DAC_REG_CNTRL_1, DAC_ENABLE);
}
else
{
dac_write(DAC_REG_CNTRL_1, DAC_SYNC);
}
return 0;
}
/***************************************************************************//**
* @brief dac_init
*******************************************************************************/
void dac_init(struct ad9361_rf_phy *phy, uint8_t data_sel, uint8_t config_dma)
{
#ifdef DMA_UIO
uint32_t tx_count;
uint32_t index, index_i1, index_q1, index_i2, index_q2;
uint32_t index_mem;
uint32_t data_i1, data_q1, data_i2, data_q2;
uint32_t length;
int dev_mem_fd;
uint32_t mapping_length, page_mask, page_size;
void *mapping_addr, *tx_buff_virt_addr;
tx_dma_uio_fd = open(TX_DMA_UIO_DEV, O_RDWR);
if(tx_dma_uio_fd < 1)
{
printf("%s: Can't open tx_dma_uio device\n\r", __func__);
return;
}
tx_dma_uio_addr = mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED, tx_dma_uio_fd, 0);
#endif
dac_write(phy, DAC_REG_RSTN, 0x0);
dac_write(phy, DAC_REG_RSTN, DAC_RSTN);
dac_write(phy, DAC_REG_RATECNTRL, DAC_RATE(3));
dds_st[phy->id_no].dac_clk = &phy->clks[TX_SAMPL_CLK]->rate;
dds_st[phy->id_no].rx2tx2 = phy->pdata->rx2tx2;
if(dds_st[phy->id_no].rx2tx2)
{
dds_st[phy->id_no].num_dds_channels = 8;
}
else
{
dds_st[phy->id_no].num_dds_channels = 4;
}
dac_read(phy, DAC_REG_VERSION, &dds_st[phy->id_no].pcore_version);
dac_write(phy, DAC_REG_CNTRL_1, 0);
switch (data_sel) {
case DATA_SEL_DDS:
dds_default_setup(phy, DDS_CHAN_TX1_I_F1, 90000, 1000000, 250000);
dds_default_setup(phy, DDS_CHAN_TX1_I_F2, 90000, 1000000, 250000);
dds_default_setup(phy, DDS_CHAN_TX1_Q_F1, 0, 1000000, 250000);
dds_default_setup(phy, DDS_CHAN_TX1_Q_F2, 0, 1000000, 250000);
if(dds_st[phy->id_no].rx2tx2)
{
dds_default_setup(phy, DDS_CHAN_TX2_I_F1, 90000, 1000000, 250000);
dds_default_setup(phy, DDS_CHAN_TX2_I_F2, 90000, 1000000, 250000);
dds_default_setup(phy, DDS_CHAN_TX2_Q_F1, 0, 1000000, 250000);
dds_default_setup(phy, DDS_CHAN_TX2_Q_F2, 0, 1000000, 250000);
}
dac_write(phy, DAC_REG_CNTRL_2, 0);
dac_datasel(phy, -1, DATA_SEL_DDS);
break;
case DATA_SEL_DMA:
if(config_dma)
{
#ifdef DMA_UIO
get_file_info(TX_BUFF_MEM_SIZE, &tx_buff_mem_size);
get_file_info(TX_BUFF_MEM_ADDR, &tx_buff_mem_addr);
dev_mem_fd = open("/dev/mem", O_RDWR | O_SYNC);
if(dev_mem_fd == -1)
{
printf("%s: Can't open /dev/mem device\n\r", __func__);
return;
}
page_size = sysconf(_SC_PAGESIZE);
mapping_length = (((tx_buff_mem_size / page_size) + 1) * page_size);
page_mask = (page_size - 1);
mapping_addr = mmap(NULL,
mapping_length,
PROT_READ | PROT_WRITE,
MAP_SHARED,
dev_mem_fd,
(tx_buff_mem_addr & ~page_mask));
if(mapping_addr == MAP_FAILED)
{
printf("%s: mmap error\n\r", __func__);
return;
}
tx_buff_virt_addr = (mapping_addr + (tx_buff_mem_addr & page_mask));
tx_count = sizeof(sine_lut) / sizeof(uint16_t);
if(dds_st[phy->id_no].rx2tx2)
{
#ifdef FMCOMMS5
for(index = 0, index_mem = 0; index < (tx_count * 2); index += 2, index_mem += 4)
#else
for(index = 0, index_mem = 0; index < (tx_count * 2); index += 2, index_mem += 2)
#endif
{
index_i1 = index;
index_q1 = index + (tx_count / 2);
if(index_q1 >= (tx_count * 2))
index_q1 -= (tx_count * 2);
data_i1 = (sine_lut[index_i1 / 2] << 20);
data_q1 = (sine_lut[index_q1 / 2] << 4);
*((unsigned *) (tx_buff_virt_addr + (index_mem* 4))) = data_i1 | data_q1;
index_i2 = index_i1;
index_q2 = index_q1;
if(index_i2 >= (tx_count * 2))
index_i2 -= (tx_count * 2);
if(index_q2 >= (tx_count * 2))
index_q2 -= (tx_count * 2);
data_i2 = (sine_lut[index_i2 / 2] << 20);
data_q2 = (sine_lut[index_q2 / 2] << 4);
*((unsigned *) (tx_buff_virt_addr + ((index_mem+ 1) * 4))) = data_i2 | data_q2;
#ifdef FMCOMMS5
*((unsigned *) (tx_buff_virt_addr + ((index_mem+ 2) * 4))) = data_i1 | data_q1;
*((unsigned *) (tx_buff_virt_addr + ((index_mem+ 3) * 4))) = data_i2 | data_q2;
#endif
}
}
else
{
for(index = 0; index < tx_count; index += 1)
{
index_i1 = index;
index_q1 = index + (tx_count / 4);
if(index_q1 >= tx_count)
index_q1 -= tx_count;
data_i1 = (sine_lut[index_i1 / 2] << 20);
data_q1 = (sine_lut[index_q1 / 2] << 4);
*((unsigned *) (tx_buff_virt_addr + (index * 4))) = data_i1 | data_q1;
}
}
munmap(mapping_addr, mapping_length);
close(dev_mem_fd);
if(dds_st[phy->id_no].rx2tx2)
{
length = (tx_count * 8);
}
else
{
length = (tx_count * 4);
}
#ifdef FMCOMMS5
length = (tx_count * 16);
#endif
dac_dma_write(AXI_DMAC_REG_CTRL, 0);
dac_dma_write(AXI_DMAC_REG_CTRL, AXI_DMAC_CTRL_ENABLE);
dac_dma_write(AXI_DMAC_REG_SRC_ADDRESS, tx_buff_mem_addr);
dac_dma_write(AXI_DMAC_REG_SRC_STRIDE, 0x0);
dac_dma_write(AXI_DMAC_REG_X_LENGTH, length - 1);
dac_dma_write(AXI_DMAC_REG_Y_LENGTH, 0x0);
dac_dma_write(AXI_DMAC_REG_START_TRANSFER, 0x1);
#endif
}
dac_write(phy, DAC_REG_CNTRL_2, 0);
dac_datasel(phy, -1, DATA_SEL_DMA);
break;
default:
break;
}
dds_st[phy->id_no].enable = true;
dac_start_sync(phy, 0);
}
/***************************************************************************//**
* @brief dac_init
*******************************************************************************/
void dac_init(struct ad9361_rf_phy *phy, uint8_t data_sel)
{
uint32_t tx_count;
uint32_t index;
uint32_t index_i1;
uint32_t index_q1;
uint32_t index_i2;
uint32_t index_q2;
uint32_t data_i1;
uint32_t data_q1;
uint32_t data_i2;
uint32_t data_q2;
dac_write(ADI_REG_RSTN, 0x0);
dac_write(ADI_REG_RSTN, ADI_RSTN | ADI_MMCM_RSTN);
dac_write(ADI_REG_RATECNTRL, ADI_RATE(3));
dds_st.dac_clk = &phy->clks[TX_SAMPL_CLK]->rate;
dds_st.num_dds_channels = 8; // FIXME
dac_read(ADI_REG_VERSION, &dds_st.pcore_version);
dac_stop();
switch (data_sel) {
case DATA_SEL_DDS:
dds_default_setup(DDS_CHAN_TX1_I_F1, 90000, 1000000, 0.25);
dds_default_setup(DDS_CHAN_TX1_I_F2, 90000, 1000000, 0.25);
dds_default_setup(DDS_CHAN_TX1_Q_F1, 0, 1000000, 0.25);
dds_default_setup(DDS_CHAN_TX1_Q_F2, 0, 1000000, 0.25);
dds_default_setup(DDS_CHAN_TX2_I_F1, 90000, 1000000, 0.25);
dds_default_setup(DDS_CHAN_TX2_I_F2, 90000, 1000000, 0.25);
dds_default_setup(DDS_CHAN_TX2_Q_F1, 0, 1000000, 0.25);
dds_default_setup(DDS_CHAN_TX2_Q_F2, 0, 1000000, 0.25);
dac_write(ADI_REG_CNTRL_2, 0);
dac_datasel(-1, DATA_SEL_DDS);
break;
case DATA_SEL_DMA:
tx_count = sizeof(sine_lut) / sizeof(uint16_t);
for(index = 0; index < (tx_count * 2); index += 2)
{
index_i1 = index;
index_q1 = index + (tx_count / 2);
if(index_q1 >= (tx_count * 2))
index_q1 -= (tx_count * 2);
data_i1 = (sine_lut[index_i1 / 2] << 20);
data_q1 = (sine_lut[index_q1 / 2] << 4);
// FIXME
index_i2 = index_i1;
index_q2 = index_q1;
if(index_i2 >= (tx_count * 2))
index_i2 -= (tx_count * 2);
if(index_q2 >= (tx_count * 2))
index_q2 -= (tx_count * 2);
data_i2 = (sine_lut[index_i2 / 2] << 20);
data_q2 = (sine_lut[index_q2 / 2] << 4);
// FIXME
}
dac_dma_write(AXI_DMAC_REG_CTRL, 0);
dac_dma_write(AXI_DMAC_REG_CTRL, AXI_DMAC_CTRL_ENABLE);
// FIXME dac_dma_write(AXI_DMAC_REG_SRC_ADDRESS, DAC_DDR_BASEADDR);
dac_dma_write(AXI_DMAC_REG_SRC_STRIDE, 0x0);
dac_dma_write(AXI_DMAC_REG_X_LENGTH, (tx_count * 8) - 1);
dac_dma_write(AXI_DMAC_REG_Y_LENGTH, 0x0);
dac_dma_write(AXI_DMAC_REG_START_TRANSFER, 0x1);
dac_write(ADI_REG_CNTRL_2, 0);
dac_datasel(-1, DATA_SEL_DMA);
break;
default:
break;
}
dds_st.enable = true;
dac_start_sync(0);
}
