diff options
Diffstat (limited to 'host/lib/usrp/e100')
| -rw-r--r-- | host/lib/usrp/e100/dboard_iface.cpp | 2 | ||||
| -rw-r--r-- | host/lib/usrp/e100/e100_ctrl.cpp | 181 | ||||
| -rw-r--r-- | host/lib/usrp/e100/e100_ctrl.hpp | 9 | ||||
| -rw-r--r-- | host/lib/usrp/e100/e100_impl.cpp | 145 | ||||
| -rw-r--r-- | host/lib/usrp/e100/e100_impl.hpp | 22 | ||||
| -rw-r--r-- | host/lib/usrp/e100/e100_regs.hpp | 130 | ||||
| -rw-r--r-- | host/lib/usrp/e100/include/linux/usrp_e.h | 4 | ||||
| -rw-r--r-- | host/lib/usrp/e100/io_impl.cpp | 143 |
8 files changed, 272 insertions, 364 deletions
diff --git a/host/lib/usrp/e100/dboard_iface.cpp b/host/lib/usrp/e100/dboard_iface.cpp index 6afc7bc48..532b2dc9e 100644 --- a/host/lib/usrp/e100/dboard_iface.cpp +++ b/host/lib/usrp/e100/dboard_iface.cpp @@ -45,7 +45,7 @@ public: _spi_iface = spi_iface; _clock = clock; _codec = codec; - _gpio = gpio_core_200::make(_wb_iface, E100_REG_SR_ADDR(UE_SR_GPIO), E100_REG_RB_GPIO); + _gpio = gpio_core_200::make(_wb_iface, TOREG(SR_GPIO), REG_RB_GPIO); //init the clock rate shadows this->set_clock_rate(UNIT_RX, _clock->get_fpga_clock_rate()); diff --git a/host/lib/usrp/e100/e100_ctrl.cpp b/host/lib/usrp/e100/e100_ctrl.cpp index eb529c9c1..408d259dc 100644 --- a/host/lib/usrp/e100/e100_ctrl.cpp +++ b/host/lib/usrp/e100/e100_ctrl.cpp @@ -1,5 +1,5 @@ // -// Copyright 2011 Ettus Research LLC +// Copyright 2011-2012 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 @@ -23,13 +23,16 @@ #include <sys/ioctl.h> //ioctl #include <fcntl.h> //open, close #include <linux/usrp_e.h> //ioctl structures and constants +#include <poll.h> //poll #include <boost/thread/thread.hpp> //sleep #include <boost/thread/mutex.hpp> +#include <boost/thread/condition_variable.hpp> #include <boost/foreach.hpp> #include <boost/format.hpp> #include <fstream> using namespace uhd; +using namespace uhd::transport; /*********************************************************************** * Sysfs GPIO wrapper class @@ -71,6 +74,53 @@ private: }; /*********************************************************************** + * Protection for dual GPIO access - sometimes MISO, sometimes have resp + **********************************************************************/ +static boost::mutex gpio_has_resp_mutex; +static boost::condition_variable gpio_has_resp_cond; +static bool gpio_has_resp_claimed = false; +static gpio gpio_has_resp(147, "in"); + +struct gpio_has_resp_claimer +{ + gpio_has_resp_claimer(void) + { + boost::mutex::scoped_lock lock(gpio_has_resp_mutex); + gpio_has_resp_claimed = true; + } + + ~gpio_has_resp_claimer(void) + { + boost::mutex::scoped_lock lock(gpio_has_resp_mutex); + gpio_has_resp_claimed = false; + lock.unlock(); + gpio_has_resp_cond.notify_one(); + } +}; + +static inline bool gpio_has_resp_value(void) +{ + boost::mutex::scoped_lock lock(gpio_has_resp_mutex); + while (gpio_has_resp_claimed) + { + gpio_has_resp_cond.wait(lock); + } + return bool(gpio_has_resp()); +} + +static bool inline gpio_has_resp_wait(const double timeout) +{ + if (gpio_has_resp_value()) return true; + const boost::system_time exit_time = boost::get_system_time() + boost::posix_time::milliseconds(long(timeout*1e6)); + while (boost::get_system_time() < exit_time) + { + boost::this_thread::sleep(boost::posix_time::milliseconds(1)); + if (gpio_has_resp_value()) return true; + } + return false; +} + +/*********************************************************************** * Aux spi implementation **********************************************************************/ class aux_spi_iface_impl : public spi_iface{ @@ -79,7 +129,8 @@ public: spi_sclk_gpio(65, "out"), spi_sen_gpio(186, "out"), spi_mosi_gpio(145, "out"), - spi_miso_gpio(147, "in"){} + //spi_miso_gpio(147, "in"){} + spi_miso_gpio(gpio_has_resp){} boost::uint32_t transact_spi( int, const spi_config_t &, //not used params @@ -87,6 +138,8 @@ public: size_t num_bits, bool readback ){ + gpio_has_resp_claimer claimer(); + boost::uint32_t rb_bits = 0; this->spi_sen_gpio(0); @@ -105,7 +158,7 @@ public: } private: - gpio spi_sclk_gpio, spi_sen_gpio, spi_mosi_gpio, spi_miso_gpio; + gpio spi_sclk_gpio, spi_sen_gpio, spi_mosi_gpio, &spi_miso_gpio; }; uhd::spi_iface::sptr e100_ctrl::make_aux_spi_iface(void){ @@ -244,6 +297,57 @@ uhd::uart_iface::sptr e100_ctrl::make_gps_uart_iface(const std::string &node){ } /*********************************************************************** + * Simple managed buffers + **********************************************************************/ +struct e100_simpl_mrb : managed_recv_buffer +{ + usrp_e_ctl32 data; + e100_ctrl *ctrl; + + void release(void) + { + //NOP + } + + sptr get_new(void) + { + const size_t max_words32 = 8; //.LAST_ADDR(10'h00f)) resp_fifo_to_gpmc + + //load the data struct + data.offset = 0; + data.count = max_words32; + + //call the ioctl + ctrl->ioctl(USRP_E_READ_CTL32, &data); + + if (data.buf[0] == 0 or ~data.buf[0] == 0) return sptr(); //bad VRT hdr, treat like timeout + + return make(this, data.buf, sizeof(data.buf)); + } +}; + +struct e100_simpl_msb : managed_send_buffer +{ + usrp_e_ctl32 data; + e100_ctrl *ctrl; + + void release(void) + { + //load the data struct + data.offset = 0; + data.count = size()/4+1/*1 for flush pad*/; + + //call the ioctl + ctrl->ioctl(USRP_E_WRITE_CTL32, &data); + } + + sptr get_new(void) + { + return make(this, data.buf, sizeof(data.buf)); + } +}; + +/*********************************************************************** * USRP-E100 control implementation **********************************************************************/ class e100_ctrl_impl : public e100_ctrl{ @@ -273,8 +377,14 @@ public: ) % USRP_E_COMPAT_NUMBER % module_compat_num)); } - //perform a global reset after opening - this->poke32(E100_REG_GLOBAL_RESET, 0); + //hit the magic arst condition + //async_reset <= ~EM_NCS6 && ~EM_NWE && (EM_A[9:2] == 8'hff) && EM_D[0]; + usrp_e_ctl16 datax; + datax.offset = 0x3fc; + datax.count = 2; + datax.buf[0] = 1; + datax.buf[1] = 0; + this->ioctl(USRP_E_WRITE_CTL16, &datax); } ~e100_ctrl_impl(void){ @@ -293,58 +403,45 @@ public: )); } } + /******************************************************************* - * Peek and Poke + * The managed buffer interface ******************************************************************/ - void poke32(wb_addr_type addr, boost::uint32_t value){ - //load the data struct - usrp_e_ctl32 data; - data.offset = addr; - data.count = 1; - data.buf[0] = value; - - //call the ioctl - this->ioctl(USRP_E_WRITE_CTL32, &data); + managed_recv_buffer::sptr get_recv_buff(double timeout){ + if (not gpio_has_resp_wait(timeout)) + { + return managed_recv_buffer::sptr(); + } + _mrb.ctrl = this; + return _mrb.get_new(); } - void poke16(wb_addr_type addr, boost::uint16_t value){ - //load the data struct - usrp_e_ctl16 data; - data.offset = addr; - data.count = 1; - data.buf[0] = value; - - //call the ioctl - this->ioctl(USRP_E_WRITE_CTL16, &data); + managed_send_buffer::sptr get_send_buff(double){ + _msb.ctrl = this; + return _msb.get_new(); } - boost::uint32_t peek32(wb_addr_type addr){ - //load the data struct - usrp_e_ctl32 data; - data.offset = addr; - data.count = 1; - - //call the ioctl - this->ioctl(USRP_E_READ_CTL32, &data); - - return data.buf[0]; + size_t get_num_recv_frames(void) const{ + return 1; } - boost::uint16_t peek16(wb_addr_type addr){ - //load the data struct - usrp_e_ctl16 data; - data.offset = addr; - data.count = 1; + size_t get_recv_frame_size(void) const{ + return sizeof(_mrb.data.buf); + } - //call the ioctl - this->ioctl(USRP_E_READ_CTL16, &data); + size_t get_num_send_frames(void) const{ + return 1; + } - return data.buf[0]; + size_t get_send_frame_size(void) const{ + return sizeof(_msb.data.buf); } private: int _node_fd; boost::mutex _ioctl_mutex; + e100_simpl_mrb _mrb; + e100_simpl_msb _msb; }; /*********************************************************************** diff --git a/host/lib/usrp/e100/e100_ctrl.hpp b/host/lib/usrp/e100/e100_ctrl.hpp index fd66791d4..72dce134e 100644 --- a/host/lib/usrp/e100/e100_ctrl.hpp +++ b/host/lib/usrp/e100/e100_ctrl.hpp @@ -1,5 +1,5 @@ // -// Copyright 2011 Ettus Research LLC +// Copyright 2012 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 @@ -18,12 +18,11 @@ #ifndef INCLUDED_B100_CTRL_HPP #define INCLUDED_B100_CTRL_HPP -#include "wb_iface.hpp" +#include <uhd/transport/zero_copy.hpp> #include <uhd/types/serial.hpp> #include <boost/shared_ptr.hpp> -#include <boost/utility.hpp> -class e100_ctrl : boost::noncopyable, public wb_iface{ +class e100_ctrl : public uhd::transport::zero_copy_if{ public: typedef boost::shared_ptr<e100_ctrl> sptr; @@ -33,7 +32,7 @@ public: //! Make an i2c iface for the i2c device node static uhd::i2c_iface::sptr make_dev_i2c_iface(const std::string &node); - //! Make an i2c iface for the i2c device node + //! Make a spi iface for the spi gpio static uhd::spi_iface::sptr make_aux_spi_iface(void); //! Make a uart iface for the uart device node diff --git a/host/lib/usrp/e100/e100_impl.cpp b/host/lib/usrp/e100/e100_impl.cpp index d55ea5ec5..a517dfcba 100644 --- a/host/lib/usrp/e100/e100_impl.cpp +++ b/host/lib/usrp/e100/e100_impl.cpp @@ -28,6 +28,7 @@ #include <boost/functional/hash.hpp> #include <boost/assign/list_of.hpp> #include <fstream> +#include <ctime> using namespace uhd; using namespace uhd::usrp; @@ -86,15 +87,6 @@ static device_addrs_t e100_find(const device_addr_t &hint){ /*********************************************************************** * Make **********************************************************************/ -static size_t hash_fpga_file(const std::string &file_path){ - size_t hash = 0; - std::ifstream file(file_path.c_str()); - if (not file.good()) throw uhd::io_error("cannot open fpga file for read: " + file_path); - while (file.good()) boost::hash_combine(hash, file.get()); - file.close(); - return hash; -} - static device::sptr e100_make(const device_addr_t &device_addr){ return device::sptr(new e100_impl(device_addr)); } @@ -114,10 +106,6 @@ static const uhd::dict<std::string, std::string> model_to_fpga_file_name = boost e100_impl::e100_impl(const uhd::device_addr_t &device_addr){ _tree = property_tree::make(); - //setup the main interface into fpga - const std::string node = device_addr["node"]; - _fpga_ctrl = e100_ctrl::make(node); - //read the eeprom so we can determine the hardware _dev_i2c_iface = e100_ctrl::make_dev_i2c_iface(E100_I2C_DEV_NODE); const mboard_eeprom_t mb_eeprom(*_dev_i2c_iface, E100_EEPROM_MAP_KEY); @@ -134,19 +122,11 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){ //extract the fpga path and compute hash const std::string default_fpga_file_name = model_to_fpga_file_name[model]; const std::string e100_fpga_image = find_image_path(device_addr.get("fpga", default_fpga_file_name)); - const boost::uint32_t file_hash = boost::uint32_t(hash_fpga_file(e100_fpga_image)); - - //When the hash does not match: - // - close the device node - // - load the fpga bin file - // - re-open the device node - if (_fpga_ctrl->peek32(E100_REG_RB_MISC_TEST32) != file_hash){ - _fpga_ctrl.reset(); - e100_load_fpga(e100_fpga_image); - _fpga_ctrl = e100_ctrl::make(node); - } + e100_load_fpga(e100_fpga_image); - //setup clock control here to ensure that the FPGA has a good clock before we continue + //////////////////////////////////////////////////////////////////// + // Setup the FPGA clock over AUX SPI + //////////////////////////////////////////////////////////////////// bool dboard_clocks_diff = true; if (mb_eeprom.get("revision", "0") == "3") dboard_clocks_diff = false; else if (mb_eeprom.get("revision", "0") == "4") dboard_clocks_diff = true; @@ -158,12 +138,32 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){ _aux_spi_iface = e100_ctrl::make_aux_spi_iface(); _clock_ctrl = e100_clock_ctrl::make(_aux_spi_iface, master_clock_rate, dboard_clocks_diff); + //////////////////////////////////////////////////////////////////// + // setup the main interface into fpga + // - do this after aux spi, because we share gpio147 + //////////////////////////////////////////////////////////////////// + const std::string node = device_addr["node"]; + _fpga_ctrl = e100_ctrl::make(node); + + //////////////////////////////////////////////////////////////////// + // Initialize FPGA control communication + //////////////////////////////////////////////////////////////////// + fifo_ctrl_excelsior_config fifo_ctrl_config; + fifo_ctrl_config.async_sid_base = E100_TX_ASYNC_SID; + fifo_ctrl_config.num_async_chan = 1; + fifo_ctrl_config.ctrl_sid_base = E100_CTRL_MSG_SID; + fifo_ctrl_config.spi_base = TOREG(SR_SPI); + fifo_ctrl_config.spi_rb = REG_RB_SPI; + _fifo_ctrl = fifo_ctrl_excelsior::make(_fpga_ctrl, fifo_ctrl_config); + //Perform wishbone readback tests, these tests also write the hash bool test_fail = false; - UHD_MSG(status) << "Performing wishbone readback test... " << std::flush; + UHD_MSG(status) << "Performing control readback test... " << std::flush; + size_t hash = time(NULL); for (size_t i = 0; i < 100; i++){ - _fpga_ctrl->poke32(E100_REG_SR_MISC_TEST32, file_hash); - test_fail = _fpga_ctrl->peek32(E100_REG_RB_MISC_TEST32) != file_hash; + boost::hash_combine(hash, i); + _fifo_ctrl->poke32(TOREG(SR_MISC+0), boost::uint32_t(hash)); + test_fail = _fifo_ctrl->peek32(REG_RB_CONFIG0) != boost::uint32_t(hash); if (test_fail) break; //exit loop on any failure } UHD_MSG(status) << ((test_fail)? " fail" : "pass") << std::endl; @@ -180,8 +180,7 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){ //////////////////////////////////////////////////////////////////// // Create controller objects //////////////////////////////////////////////////////////////////// - _fpga_i2c_ctrl = i2c_core_100::make(_fpga_ctrl, E100_REG_SLAVE(3)); - _fpga_spi_ctrl = spi_core_100::make(_fpga_ctrl, E100_REG_SLAVE(2)); + _fpga_i2c_ctrl = i2c_core_200::make(_fifo_ctrl, TOREG(SR_I2C), REG_RB_I2C); _data_transport = e100_make_mmap_zero_copy(_fpga_ctrl); //////////////////////////////////////////////////////////////////// @@ -205,12 +204,17 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){ //^^^ clock created up top, just reg props here... ^^^ _tree->create<double>(mb_path / "tick_rate") .publish(boost::bind(&e100_clock_ctrl::get_fpga_clock_rate, _clock_ctrl)) + .subscribe(boost::bind(&fifo_ctrl_excelsior::set_tick_rate, _fifo_ctrl, _1)) .subscribe(boost::bind(&e100_impl::update_tick_rate, this, _1)); + //subscribe the command time while we are at it + _tree->create<time_spec_t>(mb_path / "time/cmd") + .subscribe(boost::bind(&fifo_ctrl_excelsior::set_time, _fifo_ctrl, _1)); + //////////////////////////////////////////////////////////////////// // create codec control objects //////////////////////////////////////////////////////////////////// - _codec_ctrl = e100_codec_ctrl::make(_fpga_spi_ctrl); + _codec_ctrl = e100_codec_ctrl::make(_fifo_ctrl/*spi*/); const fs_path rx_codec_path = mb_path / "rx_codecs/A"; const fs_path tx_codec_path = mb_path / "tx_codecs/A"; _tree->create<std::string>(rx_codec_path / "name").set("ad9522"); @@ -232,24 +236,37 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){ //////////////////////////////////////////////////////////////////// // Create the GPSDO control //////////////////////////////////////////////////////////////////// - try{ - _gps = gps_ctrl::make(e100_ctrl::make_gps_uart_iface(E100_UART_DEV_NODE)); - } - catch(std::exception &e){ - UHD_MSG(error) << "An error occurred making GPSDO control: " << e.what() << std::endl; - } - if (_gps.get() != NULL and _gps->gps_detected()){ - BOOST_FOREACH(const std::string &name, _gps->get_sensors()){ - _tree->create<sensor_value_t>(mb_path / "sensors" / name) - .publish(boost::bind(&gps_ctrl::get_sensor, _gps, name)); + static const fs::path GPSDO_VOLATILE_PATH("/media/ram/e100_internal_gpsdo.cache"); + if (not fs::exists(GPSDO_VOLATILE_PATH)) + { + UHD_MSG(status) << "Detecting internal GPSDO.... " << std::flush; + try{ + _gps = gps_ctrl::make(e100_ctrl::make_gps_uart_iface(E100_UART_DEV_NODE)); + } + catch(std::exception &e){ + UHD_MSG(error) << "An error occurred making GPSDO control: " << e.what() << std::endl; + } + if (_gps and _gps->gps_detected()) + { + UHD_MSG(status) << "found" << std::endl; + BOOST_FOREACH(const std::string &name, _gps->get_sensors()) + { + _tree->create<sensor_value_t>(mb_path / "sensors" / name) + .publish(boost::bind(&gps_ctrl::get_sensor, _gps, name)); + } + } + else + { + UHD_MSG(status) << "not found" << std::endl; + std::ofstream(GPSDO_VOLATILE_PATH.string().c_str(), std::ofstream::binary) << "42" << std::endl; } } //////////////////////////////////////////////////////////////////// // create frontend control objects //////////////////////////////////////////////////////////////////// - _rx_fe = rx_frontend_core_200::make(_fpga_ctrl, E100_REG_SR_ADDR(UE_SR_RX_FRONT)); - _tx_fe = tx_frontend_core_200::make(_fpga_ctrl, E100_REG_SR_ADDR(UE_SR_TX_FRONT)); + _rx_fe = rx_frontend_core_200::make(_fifo_ctrl, TOREG(SR_RX_FE)); + _tx_fe = tx_frontend_core_200::make(_fifo_ctrl, TOREG(SR_TX_FE)); _tree->create<subdev_spec_t>(mb_path / "rx_subdev_spec") .subscribe(boost::bind(&e100_impl::update_rx_subdev_spec, this, _1)); @@ -278,13 +295,17 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){ //////////////////////////////////////////////////////////////////// // create rx dsp control objects //////////////////////////////////////////////////////////////////// - _rx_dsps.push_back(rx_dsp_core_200::make( - _fpga_ctrl, E100_REG_SR_ADDR(UE_SR_RX_DSP0), E100_REG_SR_ADDR(UE_SR_RX_CTRL0), E100_RX_SID_BASE + 0 - )); - _rx_dsps.push_back(rx_dsp_core_200::make( - _fpga_ctrl, E100_REG_SR_ADDR(UE_SR_RX_DSP1), E100_REG_SR_ADDR(UE_SR_RX_CTRL1), E100_RX_SID_BASE + 1 - )); - for (size_t dspno = 0; dspno < _rx_dsps.size(); dspno++){ + const size_t num_rx_dsps = _fifo_ctrl->peek32(REG_RB_NUM_RX_DSP); + for (size_t dspno = 0; dspno < num_rx_dsps; dspno++) + { + const size_t sr_off = dspno*32; + _rx_dsps.push_back(rx_dsp_core_200::make( + _fifo_ctrl, + TOREG(SR_RX_DSP0+sr_off), + TOREG(SR_RX_CTRL0+sr_off), + E100_RX_SID_BASE + dspno + )); + _rx_dsps[dspno]->set_link_rate(E100_RX_LINK_RATE_BPS); _tree->access<double>(mb_path / "tick_rate") .subscribe(boost::bind(&rx_dsp_core_200::set_tick_rate, _rx_dsps[dspno], _1)); @@ -307,7 +328,7 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){ // create tx dsp control objects //////////////////////////////////////////////////////////////////// _tx_dsp = tx_dsp_core_200::make( - _fpga_ctrl, E100_REG_SR_ADDR(UE_SR_TX_DSP), E100_REG_SR_ADDR(UE_SR_TX_CTRL), E100_TX_ASYNC_SID + _fifo_ctrl, TOREG(SR_TX_DSP), TOREG(SR_TX_CTRL), E100_TX_ASYNC_SID ); _tx_dsp->set_link_rate(E100_TX_LINK_RATE_BPS); _tree->access<double>(mb_path / "tick_rate") @@ -327,12 +348,12 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){ // create time control objects //////////////////////////////////////////////////////////////////// time64_core_200::readback_bases_type time64_rb_bases; - time64_rb_bases.rb_hi_now = E100_REG_RB_TIME_NOW_HI; - time64_rb_bases.rb_lo_now = E100_REG_RB_TIME_NOW_LO; - time64_rb_bases.rb_hi_pps = E100_REG_RB_TIME_PPS_HI; - time64_rb_bases.rb_lo_pps = E100_REG_RB_TIME_PPS_LO; + time64_rb_bases.rb_hi_now = REG_RB_TIME_NOW_HI; + time64_rb_bases.rb_lo_now = REG_RB_TIME_NOW_LO; + time64_rb_bases.rb_hi_pps = REG_RB_TIME_PPS_HI; + time64_rb_bases.rb_lo_pps = REG_RB_TIME_PPS_LO; _time64 = time64_core_200::make( - _fpga_ctrl, E100_REG_SR_ADDR(UE_SR_TIME64), time64_rb_bases + _fifo_ctrl, TOREG(SR_TIME64), time64_rb_bases ); _tree->access<double>(mb_path / "tick_rate") .subscribe(boost::bind(&time64_core_200::set_tick_rate, _time64, _1)); @@ -357,7 +378,7 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){ //////////////////////////////////////////////////////////////////// // create user-defined control objects //////////////////////////////////////////////////////////////////// - _user = user_settings_core_200::make(_fpga_ctrl, E100_REG_SR_ADDR(UE_SR_USER_REGS)); + _user = user_settings_core_200::make(_fifo_ctrl, TOREG(SR_USER_REGS)); _tree->create<user_settings_core_200::user_reg_t>(mb_path / "user/regs") .subscribe(boost::bind(&user_settings_core_200::set_reg, _user, _1)); @@ -383,7 +404,7 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){ .subscribe(boost::bind(&e100_impl::set_db_eeprom, this, "gdb", _1)); //create a new dboard interface and manager - _dboard_iface = make_e100_dboard_iface(_fpga_ctrl, _fpga_i2c_ctrl, _fpga_spi_ctrl, _clock_ctrl, _codec_ctrl); + _dboard_iface = make_e100_dboard_iface(_fifo_ctrl, _fpga_i2c_ctrl, _fifo_ctrl/*spi*/, _clock_ctrl, _codec_ctrl); _tree->create<dboard_iface::sptr>(mb_path / "dboards/A/iface").set(_dboard_iface); _dboard_manager = dboard_manager::make( rx_db_eeprom.id, tx_db_eeprom.id, gdb_eeprom.id, @@ -403,7 +424,11 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){ } //initialize io handling - this->io_init(); + _recv_demuxer = recv_packet_demuxer::make(_data_transport, _rx_dsps.size(), E100_RX_SID_BASE); + + //allocate streamer weak ptrs containers + _rx_streamers.resize(_rx_dsps.size()); + _tx_streamers.resize(1/*known to be 1 dsp*/); //////////////////////////////////////////////////////////////////// // do some post-init tasks @@ -474,7 +499,7 @@ sensor_value_t e100_impl::get_ref_locked(void){ } void e100_impl::check_fpga_compat(void){ - const boost::uint32_t fpga_compat_num = _fpga_ctrl->peek32(E100_REG_RB_COMPAT); + const boost::uint32_t fpga_compat_num = _fifo_ctrl->peek32(REG_RB_COMPAT); boost::uint16_t fpga_major = fpga_compat_num >> 16, fpga_minor = fpga_compat_num & 0xffff; if (fpga_major == 0){ //old version scheme fpga_major = fpga_minor; diff --git a/host/lib/usrp/e100/e100_impl.hpp b/host/lib/usrp/e100/e100_impl.hpp index 381c085e0..6f64d4b80 100644 --- a/host/lib/usrp/e100/e100_impl.hpp +++ b/host/lib/usrp/e100/e100_impl.hpp @@ -18,17 +18,17 @@ #include "e100_ctrl.hpp" #include "clock_ctrl.hpp" #include "codec_ctrl.hpp" -#include "spi_core_100.hpp" -#include "i2c_core_100.hpp" +#include "i2c_core_200.hpp" #include "rx_frontend_core_200.hpp" #include "tx_frontend_core_200.hpp" #include "rx_dsp_core_200.hpp" #include "tx_dsp_core_200.hpp" #include "time64_core_200.hpp" +#include "fifo_ctrl_excelsior.hpp" #include "user_settings_core_200.hpp" +#include "recv_packet_demuxer.hpp" #include <uhd/device.hpp> #include <uhd/property_tree.hpp> -#include <uhd/utils/pimpl.hpp> #include <uhd/usrp/subdev_spec.hpp> #include <uhd/usrp/dboard_eeprom.hpp> #include <uhd/usrp/mboard_eeprom.hpp> @@ -49,9 +49,10 @@ static const double E100_RX_LINK_RATE_BPS = 166e6/3/2*2; static const double E100_TX_LINK_RATE_BPS = 166e6/3/1*2; static const std::string E100_I2C_DEV_NODE = "/dev/i2c-3"; static const std::string E100_UART_DEV_NODE = "/dev/ttyO0"; -static const boost::uint16_t E100_FPGA_COMPAT_NUM = 10; -static const boost::uint32_t E100_RX_SID_BASE = 2; -static const boost::uint32_t E100_TX_ASYNC_SID = 1; +static const boost::uint16_t E100_FPGA_COMPAT_NUM = 11; +static const boost::uint32_t E100_RX_SID_BASE = 30; +static const boost::uint32_t E100_TX_ASYNC_SID = 10; +static const boost::uint32_t E100_CTRL_MSG_SID = 20; static const double E100_DEFAULT_CLOCK_RATE = 64e6; static const std::string E100_EEPROM_MAP_KEY = "E100"; @@ -87,8 +88,8 @@ private: uhd::property_tree::sptr _tree; //controllers - spi_core_100::sptr _fpga_spi_ctrl; - i2c_core_100::sptr _fpga_i2c_ctrl; + fifo_ctrl_excelsior::sptr _fifo_ctrl; + i2c_core_200::sptr _fpga_i2c_ctrl; rx_frontend_core_200::sptr _rx_fe; tx_frontend_core_200::sptr _tx_fe; std::vector<rx_dsp_core_200::sptr> _rx_dsps; @@ -104,15 +105,12 @@ private: //transports uhd::transport::zero_copy_if::sptr _data_transport; + uhd::usrp::recv_packet_demuxer::sptr _recv_demuxer; //dboard stuff uhd::usrp::dboard_manager::sptr _dboard_manager; uhd::usrp::dboard_iface::sptr _dboard_iface; - //handle io stuff - UHD_PIMPL_DECL(io_impl) _io_impl; - void io_init(void); - //device properties interface uhd::property_tree::sptr get_tree(void) const{ return _tree; diff --git a/host/lib/usrp/e100/e100_regs.hpp b/host/lib/usrp/e100/e100_regs.hpp index 75be2cfbe..654163dce 100644 --- a/host/lib/usrp/e100/e100_regs.hpp +++ b/host/lib/usrp/e100/e100_regs.hpp @@ -15,55 +15,45 @@ // along with this program. If not, see <http://www.gnu.org/licenses/>. // -//////////////////////////////////////////////////////////////// -// -// Memory map for embedded wishbone bus -// -//////////////////////////////////////////////////////////////// - -// All addresses are byte addresses. All accesses are word (16-bit) accesses. -// This means that address bit 0 is usually 0. -// There are 11 bits of address for the control. - #ifndef INCLUDED_E100_REGS_HPP #define INCLUDED_E100_REGS_HPP -///////////////////////////////////////////////////// -// Slave pointers +#include <boost/cstdint.hpp> -#define E100_REG_SLAVE(n) ((n)<<7) +#define TOREG(x) ((x)*4) -///////////////////////////////////////////////////// -// Slave 0 -- Misc Regs +#define localparam static const int -#define E100_REG_MISC_BASE E100_REG_SLAVE(0) +localparam SR_MISC = 0; // 5 +localparam SR_USER_REGS = 5; // 2 -#define E100_REG_MISC_LED E100_REG_MISC_BASE + 0 -#define E100_REG_MISC_SW E100_REG_MISC_BASE + 2 -#define E100_REG_MISC_CGEN_CTRL E100_REG_MISC_BASE + 4 -#define E100_REG_MISC_CGEN_ST E100_REG_MISC_BASE + 6 -#define E100_REG_MISC_TEST E100_REG_MISC_BASE + 8 -#define E100_REG_MISC_RX_LEN E100_REG_MISC_BASE + 10 -#define E100_REG_MISC_TX_LEN E100_REG_MISC_BASE + 12 -#define E100_REG_MISC_XFER_RATE E100_REG_MISC_BASE + 14 +localparam SR_TX_CTRL = 32; // 6 +localparam SR_TX_DSP = 40; // 5 +localparam SR_TX_FE = 48; // 5 -///////////////////////////////////////////////////// -// Slave 1 -- UART -// CLKDIV is 16 bits, others are only 8 +localparam SR_RX_CTRL0 = 96; // 9 +localparam SR_RX_DSP0 = 106; // 7 +localparam SR_RX_FE = 114; // 5 -#define E100_REG_UART_BASE E100_REG_SLAVE(1) +localparam SR_RX_CTRL1 = 128; // 9 +localparam SR_RX_DSP1 = 138; // 7 -#define E100_REG_UART_CLKDIV E100_REG_UART_BASE + 0 -#define E100_REG_UART_TXLEVEL E100_REG_UART_BASE + 2 -#define E100_REG_UART_RXLEVEL E100_REG_UART_BASE + 4 -#define E100_REG_UART_TXCHAR E100_REG_UART_BASE + 6 -#define E100_REG_UART_RXCHAR E100_REG_UART_BASE + 8 +localparam SR_TIME64 = 192; // 6 +localparam SR_SPI = 208; // 3 +localparam SR_I2C = 216; // 1 +localparam SR_GPIO = 224; // 5 -///////////////////////////////////////////////////// -// Slave 2 -- SPI Core -//these are 32-bit registers mapped onto the 16-bit Wishbone bus. -//Using peek32/poke32 should allow transparent use of these registers. -#define E100_REG_SPI_BASE E100_REG_SLAVE(2) +#define REG_RB_TIME_NOW_HI TOREG(10) +#define REG_RB_TIME_NOW_LO TOREG(11) +#define REG_RB_TIME_PPS_HI TOREG(14) +#define REG_RB_TIME_PPS_LO TOREG(15) +#define REG_RB_SPI TOREG(0) +#define REG_RB_COMPAT TOREG(1) +#define REG_RB_GPIO TOREG(3) +#define REG_RB_I2C TOREG(2) +#define REG_RB_CONFIG0 TOREG(4) +#define REG_RB_CONFIG1 TOREG(5) +#define REG_RB_NUM_RX_DSP TOREG(6) //spi slave constants #define UE_SPI_SS_AD9522 (1 << 3) @@ -71,67 +61,5 @@ #define UE_SPI_SS_TX_DB (1 << 1) #define UE_SPI_SS_RX_DB (1 << 0) -//////////////////////////////////////////////// -// Slave 3 -- I2C Core - -#define E100_REG_I2C_BASE E100_REG_SLAVE(3) - -//////////////////////////////////////////////// -// Slave 5 -- Error messages buffer - -#define E100_REG_ERR_BUFF E100_REG_SLAVE(5) - -/////////////////////////////////////////////////// -// Slave 7 -- Readback Mux 32 - -#define E100_REG_RB_MUX_32_BASE E100_REG_SLAVE(7) - -#define E100_REG_RB_TIME_NOW_HI E100_REG_RB_MUX_32_BASE + 0 -#define E100_REG_RB_TIME_NOW_LO E100_REG_RB_MUX_32_BASE + 4 -#define E100_REG_RB_TIME_PPS_HI E100_REG_RB_MUX_32_BASE + 8 -#define E100_REG_RB_TIME_PPS_LO E100_REG_RB_MUX_32_BASE + 12 -#define E100_REG_RB_MISC_TEST32 E100_REG_RB_MUX_32_BASE + 16 -#define E100_REG_RB_ERR_STATUS E100_REG_RB_MUX_32_BASE + 20 -#define E100_REG_RB_COMPAT E100_REG_RB_MUX_32_BASE + 24 -#define E100_REG_RB_GPIO E100_REG_RB_MUX_32_BASE + 28 - -//////////////////////////////////////////////////// -// Slave 8 -- Settings Bus -// -// Output-only, no readback, 64 registers total -// Each register must be written 64 bits at a time -// First the address xxx_xx00 and then xxx_xx10 - -// 64 total regs in address space -#define UE_SR_RX_CTRL0 0 // 9 regs (+0 to +8) -#define UE_SR_RX_DSP0 10 // 4 regs (+0 to +3) -#define UE_SR_RX_CTRL1 16 // 9 regs (+0 to +8) -#define UE_SR_RX_DSP1 26 // 4 regs (+0 to +3) -#define UE_SR_ERR_CTRL 30 // 1 reg -#define UE_SR_TX_CTRL 32 // 4 regs (+0 to +3) -#define UE_SR_TX_DSP 38 // 3 regs (+0 to +2) - -#define UE_SR_TIME64 42 // 6 regs (+0 to +5) -#define UE_SR_RX_FRONT 48 // 5 regs (+0 to +4) -#define UE_SR_TX_FRONT 54 // 5 regs (+0 to +4) - -#define UE_SR_REG_TEST32 60 // 1 reg -#define UE_SR_CLEAR_FIFO 61 // 1 reg -#define UE_SR_GLOBAL_RESET 63 // 1 reg -#define UE_SR_USER_REGS 64 // 2 regs - -#define UE_SR_GPIO 128 - -#define E100_REG_SR_ADDR(n) (E100_REG_SLAVE(8) + (4*(n))) - -#define E100_REG_SR_MISC_TEST32 E100_REG_SR_ADDR(UE_SR_REG_TEST32) -#define E100_REG_SR_ERR_CTRL E100_REG_SR_ADDR(UE_SR_ERR_CTRL) - -///////////////////////////////////////////////// -// Magic reset regs -//////////////////////////////////////////////// -#define E100_REG_CLEAR_FIFO E100_REG_SR_ADDR(UE_SR_CLEAR_FIFO) -#define E100_REG_GLOBAL_RESET E100_REG_SR_ADDR(UE_SR_GLOBAL_RESET) - -#endif +#endif /*INCLUDED_E100_REGS_HPP*/ diff --git a/host/lib/usrp/e100/include/linux/usrp_e.h b/host/lib/usrp/e100/include/linux/usrp_e.h index 37e9ee31a..f0512a40c 100644 --- a/host/lib/usrp/e100/include/linux/usrp_e.h +++ b/host/lib/usrp/e100/include/linux/usrp_e.h @@ -1,6 +1,6 @@ /* - * Copyright (C) 2010 Ettus Research, LLC + * Copyright (C) 2010-2012 Ettus Research, LLC * * Written by Philip Balister <philip@opensdr.com> * @@ -36,7 +36,7 @@ struct usrp_e_ctl32 { #define USRP_E_GET_RB_INFO _IOR(USRP_E_IOC_MAGIC, 0x27, struct usrp_e_ring_buffer_size_t) #define USRP_E_GET_COMPAT_NUMBER _IO(USRP_E_IOC_MAGIC, 0x28) -#define USRP_E_COMPAT_NUMBER 3 +#define USRP_E_COMPAT_NUMBER 4 /* Flag defines */ #define RB_USER (1<<0) diff --git a/host/lib/usrp/e100/io_impl.cpp b/host/lib/usrp/e100/io_impl.cpp index 332fe76ae..4d521e222 100644 --- a/host/lib/usrp/e100/io_impl.cpp +++ b/host/lib/usrp/e100/io_impl.cpp @@ -15,27 +15,16 @@ // along with this program. If not, see <http://www.gnu.org/licenses/>. // -#include "recv_packet_demuxer.hpp" #include "validate_subdev_spec.hpp" #include "async_packet_handler.hpp" #include "../../transport/super_recv_packet_handler.hpp" #include "../../transport/super_send_packet_handler.hpp" -#include <linux/usrp_e.h> //ioctl structures and constants #include "e100_impl.hpp" -#include "e100_regs.hpp" #include <uhd/utils/msg.hpp> #include <uhd/utils/log.hpp> #include <uhd/utils/tasks.hpp> -#include <uhd/utils/thread_priority.hpp> -#include <uhd/transport/bounded_buffer.hpp> #include <boost/bind.hpp> #include <boost/format.hpp> -#include <boost/bind.hpp> -#include <boost/thread/thread.hpp> -#include <poll.h> //poll -#include <fcntl.h> //open, close -#include <sstream> -#include <fstream> #include <boost/make_shared.hpp> using namespace uhd; @@ -44,134 +33,7 @@ using namespace uhd::transport; static const size_t vrt_send_header_offset_words32 = 1; -/*********************************************************************** - * io impl details (internal to this file) - * - pirate crew of 1 - * - bounded buffer - * - thread loop - * - vrt packet handler states - **********************************************************************/ -struct e100_impl::io_impl{ - io_impl(void): - false_alarm(0), async_msg_fifo(1000/*messages deep*/) - { /* NOP */ } - - double tick_rate; //set by update tick rate method - e100_ctrl::sptr iface; //so handle irq can peek and poke - void handle_irq(void); - size_t false_alarm; - //The data transport is listed first so that it is deconstructed last, - //which is after the states and booty which may hold managed buffers. - recv_packet_demuxer::sptr demuxer; - - //a pirate's life is the life for me! - void recv_pirate_loop( - spi_iface::sptr //keep a sptr to iface which shares gpio147 - ){ - //open the GPIO and set it up for an IRQ - std::ofstream edge_file("/sys/class/gpio/gpio147/edge"); - edge_file << "rising" << std::endl << std::flush; - edge_file.close(); - int fd = ::open("/sys/class/gpio/gpio147/value", O_RDONLY); - if (fd < 0) UHD_MSG(error) << "Unable to open GPIO for IRQ\n"; - - while (not boost::this_thread::interruption_requested()){ - pollfd pfd; - pfd.fd = fd; - pfd.events = POLLPRI | POLLERR; - ssize_t ret = ::poll(&pfd, 1, 100/*ms*/); - if (ret > 0) this->handle_irq(); - } - - //cleanup before thread exit - ::close(fd); - } - bounded_buffer<async_metadata_t> async_msg_fifo; - task::sptr pirate_task; -}; - -void e100_impl::io_impl::handle_irq(void){ - //check the status of the async msg buffer - const boost::uint32_t status = iface->peek32(E100_REG_RB_ERR_STATUS); - if ((status & 0x3) == 0){ //not done or error - //This could be a false-alarm because spi readback is mixed in. - //So we just sleep for a bit rather than interrupt continuously. - if (false_alarm++ > 3) boost::this_thread::sleep(boost::posix_time::milliseconds(1)); - return; - } - false_alarm = 0; //its a real message, reset the count... - //std::cout << boost::format("status: 0x%x") % status << std::endl; - - //load the data struct and call the ioctl - usrp_e_ctl32 data; - data.offset = E100_REG_ERR_BUFF; - data.count = status >> 16; - iface->ioctl(USRP_E_READ_CTL32, &data); - //for (size_t i = 0; i < data.count; i++){ - //data.buf[i] = iface->peek32(E100_REG_ERR_BUFF + i*sizeof(boost::uint32_t)); - //std::cout << boost::format(" buff[%u] = 0x%08x\n") % i % data.buf[i]; - //} - - //unpack the vrt header and process below... - vrt::if_packet_info_t if_packet_info; - if_packet_info.num_packet_words32 = data.count; - try{vrt::if_hdr_unpack_le(data.buf, if_packet_info);} - catch(const std::exception &e){ - UHD_MSG(error) << "Error unpacking vrt header:\n" << e.what() << std::endl; - goto prepare; - } - - //handle a tx async report message - if (if_packet_info.sid == E100_TX_ASYNC_SID and if_packet_info.packet_type != vrt::if_packet_info_t::PACKET_TYPE_DATA){ - - //fill in the async metadata - async_metadata_t metadata; - load_metadata_from_buff(uhd::wtohx<boost::uint32_t>, metadata, if_packet_info, data.buf, tick_rate); - - //push the message onto the queue - async_msg_fifo.push_with_pop_on_full(metadata); - - //print some fastpath messages - standard_async_msg_prints(metadata); - } - - //prepare for the next round - prepare: - iface->poke32(E100_REG_SR_ERR_CTRL, 1 << 0); //clear - while ((iface->peek32(E100_REG_RB_ERR_STATUS) & (1 << 2)) == 0){} //wait for idle - iface->poke32(E100_REG_SR_ERR_CTRL, 1 << 1); //start -} - -/*********************************************************************** - * Helper Functions - **********************************************************************/ -void e100_impl::io_init(void){ - - //create new io impl - _io_impl = UHD_PIMPL_MAKE(io_impl, ()); - _io_impl->demuxer = recv_packet_demuxer::make(_data_transport, _rx_dsps.size(), E100_RX_SID_BASE); - _io_impl->iface = _fpga_ctrl; - - //clear fifo state machines - _fpga_ctrl->poke32(E100_REG_CLEAR_FIFO, 0); - - //allocate streamer weak ptrs containers - _rx_streamers.resize(_rx_dsps.size()); - _tx_streamers.resize(1/*known to be 1 dsp*/); - - //prepare the async msg buffer for incoming messages - _fpga_ctrl->poke32(E100_REG_SR_ERR_CTRL, 1 << 0); //clear - while ((_fpga_ctrl->peek32(E100_REG_RB_ERR_STATUS) & (1 << 2)) == 0){} //wait for idle - _fpga_ctrl->poke32(E100_REG_SR_ERR_CTRL, 1 << 1); //start - - //spawn a pirate, yarrr! - _io_impl->pirate_task = task::make(boost::bind( - &e100_impl::io_impl::recv_pirate_loop, _io_impl.get(), _aux_spi_iface - )); -} - void e100_impl::update_tick_rate(const double rate){ - _io_impl->tick_rate = rate; //update the tick rate on all existing streamers -> thread safe for (size_t i = 0; i < _rx_streamers.size(); i++){ @@ -254,8 +116,7 @@ void e100_impl::update_tx_subdev_spec(const uhd::usrp::subdev_spec_t &spec){ bool e100_impl::recv_async_msg( async_metadata_t &async_metadata, double timeout ){ - boost::this_thread::disable_interruption di; //disable because the wait can throw - return _io_impl->async_msg_fifo.pop_with_timed_wait(async_metadata, timeout); + return _fifo_ctrl->pop_async_msg(async_metadata, timeout); } /*********************************************************************** @@ -300,7 +161,7 @@ rx_streamer::sptr e100_impl::get_rx_stream(const uhd::stream_args_t &args_){ _rx_dsps[dsp]->set_nsamps_per_packet(spp); //seems to be a good place to set this _rx_dsps[dsp]->setup(args); my_streamer->set_xport_chan_get_buff(chan_i, boost::bind( - &recv_packet_demuxer::get_recv_buff, _io_impl->demuxer, dsp, _1 + &recv_packet_demuxer::get_recv_buff, _recv_demuxer, dsp, _1 ), true /*flush*/); my_streamer->set_overflow_handler(chan_i, boost::bind( &rx_dsp_core_200::handle_overflow, _rx_dsps[dsp] |