aboutsummaryrefslogtreecommitdiffstats
path: root/host/lib/usrp/usrp_e100/dboard_iface.cpp
diff options
context:
space:
mode:
authorJosh Blum <josh@joshknows.com>2010-11-09 18:48:54 -0800
committerJosh Blum <josh@joshknows.com>2010-11-09 18:48:54 -0800
commitd33a6cab6646692e06ef34317f6c831ac9c91148 (patch)
tree25bf8920fa9b69b66af7325da35b3e66daa51f66 /host/lib/usrp/usrp_e100/dboard_iface.cpp
parent61d9cda7f64e10d8039bf7b6de5ca8068f11e5bb (diff)
downloaduhd-d33a6cab6646692e06ef34317f6c831ac9c91148.tar.gz
uhd-d33a6cab6646692e06ef34317f6c831ac9c91148.tar.bz2
uhd-d33a6cab6646692e06ef34317f6c831ac9c91148.zip
usrp_e: renamed directory to usrp_e100 to reflect product name
Diffstat (limited to 'host/lib/usrp/usrp_e100/dboard_iface.cpp')
-rw-r--r--host/lib/usrp/usrp_e100/dboard_iface.cpp298
1 files changed, 298 insertions, 0 deletions
diff --git a/host/lib/usrp/usrp_e100/dboard_iface.cpp b/host/lib/usrp/usrp_e100/dboard_iface.cpp
new file mode 100644
index 000000000..6898df8df
--- /dev/null
+++ b/host/lib/usrp/usrp_e100/dboard_iface.cpp
@@ -0,0 +1,298 @@
+//
+// Copyright 2010 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#include "usrp_e_iface.hpp"
+#include "usrp_e_regs.hpp"
+#include "clock_ctrl.hpp"
+#include "codec_ctrl.hpp"
+#include <uhd/usrp/dboard_iface.hpp>
+#include <uhd/types/dict.hpp>
+#include <uhd/utils/assert.hpp>
+#include <boost/assign/list_of.hpp>
+#include <linux/usrp_e.h> //i2c and spi constants
+
+using namespace uhd;
+using namespace uhd::usrp;
+using namespace boost::assign;
+
+class usrp_e_dboard_iface : public dboard_iface{
+public:
+
+ usrp_e_dboard_iface(
+ usrp_e_iface::sptr iface,
+ usrp_e_clock_ctrl::sptr clock,
+ usrp_e_codec_ctrl::sptr codec
+ ){
+ _iface = iface;
+ _clock = clock;
+ _codec = codec;
+
+ //init the clock rate shadows
+ this->set_clock_rate(UNIT_RX, _clock->get_fpga_clock_rate());
+ this->set_clock_rate(UNIT_TX, _clock->get_fpga_clock_rate());
+
+ _iface->poke16(UE_REG_GPIO_RX_DBG, 0);
+ _iface->poke16(UE_REG_GPIO_TX_DBG, 0);
+ }
+
+ ~usrp_e_dboard_iface(void){
+ /* NOP */
+ }
+
+ special_props_t get_special_props(void){
+ special_props_t props;
+ props.soft_clock_divider = false;
+ props.mangle_i2c_addrs = false;
+ return props;
+ }
+
+ void write_aux_dac(unit_t, aux_dac_t, float);
+ float read_aux_adc(unit_t, aux_adc_t);
+
+ void set_pin_ctrl(unit_t, boost::uint16_t);
+ void set_atr_reg(unit_t, atr_reg_t, boost::uint16_t);
+ void set_gpio_ddr(unit_t, boost::uint16_t);
+ void write_gpio(unit_t, boost::uint16_t);
+ void set_gpio_debug(unit_t, int);
+ boost::uint16_t read_gpio(unit_t);
+
+ void write_i2c(boost::uint8_t, const byte_vector_t &);
+ byte_vector_t read_i2c(boost::uint8_t, size_t);
+
+ void write_spi(
+ unit_t unit,
+ const spi_config_t &config,
+ boost::uint32_t data,
+ size_t num_bits
+ );
+
+ boost::uint32_t read_write_spi(
+ unit_t unit,
+ const spi_config_t &config,
+ boost::uint32_t data,
+ size_t num_bits
+ );
+
+ void set_clock_rate(unit_t, double);
+ std::vector<double> get_clock_rates(unit_t);
+ double get_clock_rate(unit_t);
+ void set_clock_enabled(unit_t, bool);
+ double get_codec_rate(unit_t);
+
+private:
+ usrp_e_iface::sptr _iface;
+ usrp_e_clock_ctrl::sptr _clock;
+ usrp_e_codec_ctrl::sptr _codec;
+ uhd::dict<unit_t, double> _clock_rates;
+};
+
+/***********************************************************************
+ * Make Function
+ **********************************************************************/
+dboard_iface::sptr make_usrp_e_dboard_iface(
+ usrp_e_iface::sptr iface,
+ usrp_e_clock_ctrl::sptr clock,
+ usrp_e_codec_ctrl::sptr codec
+){
+ return dboard_iface::sptr(new usrp_e_dboard_iface(iface, clock, codec));
+}
+
+/***********************************************************************
+ * Clock Rates
+ **********************************************************************/
+void usrp_e_dboard_iface::set_clock_rate(unit_t unit, double rate){
+ _clock_rates[unit] = rate;
+ switch(unit){
+ case UNIT_RX: return _clock->set_rx_dboard_clock_rate(rate);
+ case UNIT_TX: return _clock->set_tx_dboard_clock_rate(rate);
+ }
+}
+
+std::vector<double> usrp_e_dboard_iface::get_clock_rates(unit_t unit){
+ switch(unit){
+ case UNIT_RX: return _clock->get_rx_dboard_clock_rates();
+ case UNIT_TX: return _clock->get_tx_dboard_clock_rates();
+ default: UHD_THROW_INVALID_CODE_PATH();
+ }
+}
+
+double usrp_e_dboard_iface::get_clock_rate(unit_t unit){
+ return _clock_rates[unit];
+}
+
+void usrp_e_dboard_iface::set_clock_enabled(unit_t unit, bool enb){
+ switch(unit){
+ case UNIT_RX: return _clock->enable_rx_dboard_clock(enb);
+ case UNIT_TX: return _clock->enable_tx_dboard_clock(enb);
+ }
+}
+
+double usrp_e_dboard_iface::get_codec_rate(unit_t){
+ return _clock->get_fpga_clock_rate();
+}
+
+/***********************************************************************
+ * GPIO
+ **********************************************************************/
+void usrp_e_dboard_iface::set_pin_ctrl(unit_t unit, boost::uint16_t value){
+ UHD_ASSERT_THROW(GPIO_SEL_ATR == 1); //make this assumption
+ switch(unit){
+ case UNIT_RX: _iface->poke16(UE_REG_GPIO_RX_SEL, value); return;
+ case UNIT_TX: _iface->poke16(UE_REG_GPIO_TX_SEL, value); return;
+ }
+}
+
+void usrp_e_dboard_iface::set_gpio_ddr(unit_t unit, boost::uint16_t value){
+ switch(unit){
+ case UNIT_RX: _iface->poke16(UE_REG_GPIO_RX_DDR, value); return;
+ case UNIT_TX: _iface->poke16(UE_REG_GPIO_TX_DDR, value); return;
+ }
+}
+
+void usrp_e_dboard_iface::write_gpio(unit_t unit, boost::uint16_t value){
+ switch(unit){
+ case UNIT_RX: _iface->poke16(UE_REG_GPIO_RX_IO, value); return;
+ case UNIT_TX: _iface->poke16(UE_REG_GPIO_TX_IO, value); return;
+ }
+}
+
+boost::uint16_t usrp_e_dboard_iface::read_gpio(unit_t unit){
+ switch(unit){
+ case UNIT_RX: return _iface->peek16(UE_REG_GPIO_RX_IO);
+ case UNIT_TX: return _iface->peek16(UE_REG_GPIO_TX_IO);
+ default: UHD_THROW_INVALID_CODE_PATH();
+ }
+}
+
+void usrp_e_dboard_iface::set_atr_reg(unit_t unit, atr_reg_t atr, boost::uint16_t value){
+ //define mapping of unit to atr regs to register address
+ static const uhd::dict<
+ unit_t, uhd::dict<atr_reg_t, boost::uint32_t>
+ > unit_to_atr_to_addr = map_list_of
+ (UNIT_RX, map_list_of
+ (ATR_REG_IDLE, UE_REG_ATR_IDLE_RXSIDE)
+ (ATR_REG_TX_ONLY, UE_REG_ATR_INTX_RXSIDE)
+ (ATR_REG_RX_ONLY, UE_REG_ATR_INRX_RXSIDE)
+ (ATR_REG_FULL_DUPLEX, UE_REG_ATR_FULL_RXSIDE)
+ )
+ (UNIT_TX, map_list_of
+ (ATR_REG_IDLE, UE_REG_ATR_IDLE_TXSIDE)
+ (ATR_REG_TX_ONLY, UE_REG_ATR_INTX_TXSIDE)
+ (ATR_REG_RX_ONLY, UE_REG_ATR_INRX_TXSIDE)
+ (ATR_REG_FULL_DUPLEX, UE_REG_ATR_FULL_TXSIDE)
+ )
+ ;
+ _iface->poke16(unit_to_atr_to_addr[unit][atr], value);
+}
+
+void usrp_e_dboard_iface::set_gpio_debug(unit_t unit, int which){
+ //set this unit to all outputs
+ this->set_gpio_ddr(unit, 0xffff);
+
+ //calculate the debug selections
+ boost::uint32_t dbg_sels = 0x0;
+ int sel = (which == 0)? GPIO_SEL_DEBUG_0 : GPIO_SEL_DEBUG_1;
+ for(size_t i = 0; i < 16; i++) dbg_sels |= sel << i;
+
+ //set the debug on and which debug selection
+ switch(unit){
+ case UNIT_RX:
+ _iface->poke16(UE_REG_GPIO_RX_DBG, 0xffff);
+ _iface->poke16(UE_REG_GPIO_RX_SEL, dbg_sels);
+ return;
+
+ case UNIT_TX:
+ _iface->poke16(UE_REG_GPIO_TX_DBG, 0xffff);
+ _iface->poke16(UE_REG_GPIO_TX_SEL, dbg_sels);
+ return;
+ }
+}
+
+/***********************************************************************
+ * SPI
+ **********************************************************************/
+/*!
+ * Static function to convert a unit type to a spi slave device number.
+ * \param unit the dboard interface unit type enum
+ * \return the slave device number
+ */
+static boost::uint32_t unit_to_otw_spi_dev(dboard_iface::unit_t unit){
+ switch(unit){
+ case dboard_iface::UNIT_TX: return UE_SPI_SS_TX_DB;
+ case dboard_iface::UNIT_RX: return UE_SPI_SS_RX_DB;
+ }
+ throw std::invalid_argument("unknown unit type");
+}
+
+void usrp_e_dboard_iface::write_spi(
+ unit_t unit,
+ const spi_config_t &config,
+ boost::uint32_t data,
+ size_t num_bits
+){
+ _iface->transact_spi(unit_to_otw_spi_dev(unit), config, data, num_bits, false /*no rb*/);
+}
+
+boost::uint32_t usrp_e_dboard_iface::read_write_spi(
+ unit_t unit,
+ const spi_config_t &config,
+ boost::uint32_t data,
+ size_t num_bits
+){
+ return _iface->transact_spi(unit_to_otw_spi_dev(unit), config, data, num_bits, true /*rb*/);
+}
+
+/***********************************************************************
+ * I2C
+ **********************************************************************/
+void usrp_e_dboard_iface::write_i2c(boost::uint8_t addr, const byte_vector_t &bytes){
+ return _iface->write_i2c(addr, bytes);
+}
+
+byte_vector_t usrp_e_dboard_iface::read_i2c(boost::uint8_t addr, size_t num_bytes){
+ return _iface->read_i2c(addr, num_bytes);
+}
+
+/***********************************************************************
+ * Aux DAX/ADC
+ **********************************************************************/
+void usrp_e_dboard_iface::write_aux_dac(dboard_iface::unit_t, aux_dac_t which, float value){
+ //same aux dacs for each unit
+ static const uhd::dict<aux_dac_t, usrp_e_codec_ctrl::aux_dac_t> which_to_aux_dac = map_list_of
+ (AUX_DAC_A, usrp_e_codec_ctrl::AUX_DAC_A)
+ (AUX_DAC_B, usrp_e_codec_ctrl::AUX_DAC_B)
+ (AUX_DAC_C, usrp_e_codec_ctrl::AUX_DAC_C)
+ (AUX_DAC_D, usrp_e_codec_ctrl::AUX_DAC_D)
+ ;
+ _codec->write_aux_dac(which_to_aux_dac[which], value);
+}
+
+float usrp_e_dboard_iface::read_aux_adc(dboard_iface::unit_t unit, aux_adc_t which){
+ static const uhd::dict<
+ unit_t, uhd::dict<aux_adc_t, usrp_e_codec_ctrl::aux_adc_t>
+ > unit_to_which_to_aux_adc = map_list_of
+ (UNIT_RX, map_list_of
+ (AUX_ADC_A, usrp_e_codec_ctrl::AUX_ADC_A1)
+ (AUX_ADC_B, usrp_e_codec_ctrl::AUX_ADC_B1)
+ )
+ (UNIT_TX, map_list_of
+ (AUX_ADC_A, usrp_e_codec_ctrl::AUX_ADC_A2)
+ (AUX_ADC_B, usrp_e_codec_ctrl::AUX_ADC_B2)
+ )
+ ;
+ return _codec->read_aux_adc(unit_to_which_to_aux_adc[unit][which]);
+}