diff options
Diffstat (limited to 'firmware/microblaze/lib/db_rfx.c')
| -rw-r--r-- | firmware/microblaze/lib/db_rfx.c | 590 |
1 files changed, 0 insertions, 590 deletions
diff --git a/firmware/microblaze/lib/db_rfx.c b/firmware/microblaze/lib/db_rfx.c deleted file mode 100644 index ff12f9e32..000000000 --- a/firmware/microblaze/lib/db_rfx.c +++ /dev/null @@ -1,590 +0,0 @@ -/* - * Copyright 2008,2009 Free Software Foundation, Inc. - * - * 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 <spi.h> -#include <memory_map.h> -#include <db_base.h> -#include <hal_io.h> -#include <stdio.h> -#include <mdelay.h> -#include <lsdac.h> -#include <clocks.h> - - -bool rfx_init_rx(struct db_base *db); -bool rfx_init_tx(struct db_base *db); -bool rfx_set_freq(struct db_base *db, u2_fxpt_freq_t freq, u2_fxpt_freq_t *dc); -bool rfx_set_gain_rx(struct db_base *db, u2_fxpt_gain_t gain); -bool rfx_set_gain_tx(struct db_base *db, u2_fxpt_gain_t gain); -bool rfx_set_tx_enable(struct db_base *, bool on); - -// Control Latch Defines -#define P 0 // Prescalar value for setting in regs, must match the next line... -#define PRESCALER 8 // Presacalar value for computations -#define PD 0 // Power down, 0 = normal operation -#define PL 0 // PLL power output -#define MTLD 1 // Mute till lock detect -#define CPGAIN 0 // Charge pump gain, use setting 1, also in N-reg -#define CP3S 0 // Charge pump tri-state, 0 = normal operation -#define PDP 1 // Phase detector polarity -#define MUXOUT 1 // Digital lock detect, active high -#define CR 0 // normal operation -#define PC 1 // core power - -// N Latch Defines -#define DIVSEL 0 // N Counter always operates on full rate -#define N_RSV 0 - -// R Latch Defines -#define R_RSV 0 -#define R_BSC 3 -#define R_TMB 0 -#define R_LDP 1 -#define R_ABP 0 -#define R_DIV 16 - -#define phdet_freq (U2_DOUBLE_TO_FXPT_FREQ(100e6/R_DIV)) - -// IO Pin functions -#define POWER_UP (1 << 7) // Low enables power supply -#define ANT_SW (1 << 6) // On TX DB, 0 = TX, 1 = RX, on RX DB 0 = main ant, 1 = RX2 -#define MIX_EN (1 << 5) // Enable appropriate mixer -#define LOCKDET_MASK (1 << 2) // Input pin - -struct db_rfx_common { - // RFX common stuff - unsigned char DIV2; - unsigned char CP1; - unsigned char CP2; - int freq_mult; - int spi_mask; -}; - -struct db_rfx_dummy { - struct db_base base; - struct db_rfx_common common; -}; - - -struct db_rfx_400_rx { - struct db_base base; - struct db_rfx_common common; -}; - -struct db_rfx_400_tx { - struct db_base base; - struct db_rfx_common common; -}; - -struct db_rfx_900_rx { - struct db_base base; - struct db_rfx_common common; -}; - -struct db_rfx_900_tx { - struct db_base base; - struct db_rfx_common common; -}; - -struct db_rfx_1200_rx { - struct db_base base; - struct db_rfx_common common; -}; - -struct db_rfx_1200_tx { - struct db_base base; - struct db_rfx_common common; -}; - -struct db_rfx_1800_rx { - struct db_base base; - struct db_rfx_common common; -}; - -struct db_rfx_1800_tx { - struct db_base base; - struct db_rfx_common common; -}; - -struct db_rfx_2400_rx { - struct db_base base; - struct db_rfx_common common; -}; - -struct db_rfx_2400_tx { - struct db_base base; - struct db_rfx_common common; -}; - - -/* - * The class instances - */ -struct db_rfx_400_rx db_rfx_400_rx = { - .base.dbid = 0x0024, - .base.is_tx = false, - .base.output_enables = 0x00E0, - .base.used_pins = 0x00FF, - .base.freq_min = U2_DOUBLE_TO_FXPT_FREQ(400e6), - .base.freq_max = U2_DOUBLE_TO_FXPT_FREQ(500e6), - .base.gain_min = U2_DOUBLE_TO_FXPT_GAIN(0), - .base.gain_max = U2_DOUBLE_TO_FXPT_GAIN(45), - .base.gain_step_size = U2_DOUBLE_TO_FXPT_GAIN(0.022), - .base.is_quadrature = true, - .base.i_and_q_swapped = true, - .base.spectrum_inverted = false, - .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0), - .base.init = rfx_init_rx, - .base.set_freq = rfx_set_freq, - .base.set_gain = rfx_set_gain_rx, - .base.set_tx_enable = 0, - .base.atr_mask = 0x00E0, - .base.atr_txval = POWER_UP, - .base.atr_rxval = POWER_UP|MIX_EN, - // .base.atr_tx_delay = - // .base.atr_rx_delay = - .common.DIV2 = 0, - .common.CP1 = 7, - .common.CP2 = 7, - .common.spi_mask = SPI_SS_RX_DB, - .common.freq_mult = 2 -}; - - -struct db_rfx_400_tx db_rfx_400_tx = { - .base.dbid = 0x0028, - .base.is_tx = true, - .base.output_enables = 0x00E0, - .base.used_pins = 0x00FF, - .base.freq_min = U2_DOUBLE_TO_FXPT_FREQ(400e6), - .base.freq_max = U2_DOUBLE_TO_FXPT_FREQ(500e6), - //.base.gain_min = U2_DOUBLE_TO_FXPT_GAIN(xxx), - //.base.gain_max = U2_DOUBLE_TO_FXPT_GAIN(xxx), - //.base.gain_step_size = U2_DOUBLE_TO_FXPT_GAIN(xxx), - .base.is_quadrature = true, - .base.i_and_q_swapped = false, - .base.spectrum_inverted = false, - .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(12.5e6), - .base.init = rfx_init_tx, - .base.set_freq = rfx_set_freq, - .base.set_gain = rfx_set_gain_tx, - .base.set_tx_enable = rfx_set_tx_enable, - .base.atr_mask = 0x00E0, - .base.atr_txval = POWER_UP|MIX_EN, - .base.atr_rxval = POWER_UP|ANT_SW, - // .base.atr_tx_delay = - // .base.atr_rx_delay = - .common.DIV2 = 1, - .common.CP1 = 7, - .common.CP2 = 7, - .common.spi_mask = SPI_SS_TX_DB, - .common.freq_mult = 2 -}; - -struct db_rfx_900_rx db_rfx_900_rx = { - .base.dbid = 0x0025, - .base.is_tx = false, - .base.output_enables = 0x00E0, - .base.used_pins = 0x00FF, - .base.freq_min = U2_DOUBLE_TO_FXPT_FREQ(750e6), - .base.freq_max = U2_DOUBLE_TO_FXPT_FREQ(1050e6), - .base.gain_min = U2_DOUBLE_TO_FXPT_GAIN(0), - .base.gain_max = U2_DOUBLE_TO_FXPT_GAIN(70), - .base.gain_step_size = U2_DOUBLE_TO_FXPT_GAIN(0.034), - .base.is_quadrature = true, - .base.i_and_q_swapped = true, - .base.spectrum_inverted = false, - .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0), - .base.init = rfx_init_rx, - .base.set_freq = rfx_set_freq, - .base.set_gain = rfx_set_gain_rx, - .base.set_tx_enable = 0, - .base.atr_mask = 0x00E0, - .base.atr_txval = 0, - .base.atr_rxval = MIX_EN, - // .base.atr_tx_delay = - // .base.atr_rx_delay = - .common.DIV2 = 1, - .common.CP1 = 7, - .common.CP2 = 7, - .common.spi_mask = SPI_SS_RX_DB, - .common.freq_mult = 2 -}; - - -struct db_rfx_900_tx db_rfx_900_tx = { - .base.dbid = 0x0029, - .base.is_tx = true, - .base.output_enables = 0x00E0, - .base.used_pins = 0x00FF, - .base.freq_min = U2_DOUBLE_TO_FXPT_FREQ(750e6), - .base.freq_max = U2_DOUBLE_TO_FXPT_FREQ(1050e6), - //.base.gain_min = U2_DOUBLE_TO_FXPT_GAIN(xxx), - //.base.gain_max = U2_DOUBLE_TO_FXPT_GAIN(xxx), - //.base.gain_step_size = U2_DOUBLE_TO_FXPT_GAIN(xxx), - .base.is_quadrature = true, - .base.i_and_q_swapped = false, - .base.spectrum_inverted = false, - .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(12.5e6), - .base.init = rfx_init_tx, - .base.set_freq = rfx_set_freq, - .base.set_gain = rfx_set_gain_tx, - .base.set_tx_enable = rfx_set_tx_enable, - .base.atr_mask = 0x00E0, - .base.atr_txval = MIX_EN, - .base.atr_rxval = ANT_SW, - // .base.atr_tx_delay = - // .base.atr_rx_delay = - .common.DIV2 = 1, - .common.CP1 = 7, - .common.CP2 = 7, - .common.spi_mask = SPI_SS_TX_DB, - .common.freq_mult = 2 -}; - -struct db_rfx_1200_rx db_rfx_1200_rx = { - .base.dbid = 0x0026, - .base.is_tx = false, - .base.output_enables = 0x00E0, - .base.used_pins = 0x00FF, - .base.freq_min = U2_DOUBLE_TO_FXPT_FREQ(1150e6), - .base.freq_max = U2_DOUBLE_TO_FXPT_FREQ(1450e6), - .base.gain_min = U2_DOUBLE_TO_FXPT_GAIN(0), - .base.gain_max = U2_DOUBLE_TO_FXPT_GAIN(70), - .base.gain_step_size = U2_DOUBLE_TO_FXPT_GAIN(0.034), - .base.is_quadrature = true, - .base.i_and_q_swapped = true, - .base.spectrum_inverted = false, - .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0), - .base.init = rfx_init_rx, - .base.set_freq = rfx_set_freq, - .base.set_gain = rfx_set_gain_rx, - .base.set_tx_enable = 0, - .base.atr_mask = 0x00E0, - .base.atr_txval = 0, - .base.atr_rxval = MIX_EN, - // .base.atr_tx_delay = - // .base.atr_rx_delay = - .common.DIV2 = 1, - .common.CP1 = 7, - .common.CP2 = 7, - .common.spi_mask = SPI_SS_RX_DB, - .common.freq_mult = 2 -}; - - -struct db_rfx_1200_tx db_rfx_1200_tx = { - .base.dbid = 0x002a, - .base.is_tx = true, - .base.output_enables = 0x00E0, - .base.used_pins = 0x00FF, - .base.freq_min = U2_DOUBLE_TO_FXPT_FREQ(1150e6), - .base.freq_max = U2_DOUBLE_TO_FXPT_FREQ(1450e6), - //.base.gain_min = U2_DOUBLE_TO_FXPT_GAIN(xxx), - //.base.gain_max = U2_DOUBLE_TO_FXPT_GAIN(xxx), - //.base.gain_step_size = U2_DOUBLE_TO_FXPT_GAIN(xxx), - .base.is_quadrature = true, - .base.i_and_q_swapped = false, - .base.spectrum_inverted = false, - .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(12.5e6), - .base.init = rfx_init_tx, - .base.set_freq = rfx_set_freq, - .base.set_gain = rfx_set_gain_tx, - .base.set_tx_enable = rfx_set_tx_enable, - .base.atr_mask = 0x00E0, - .base.atr_txval = MIX_EN, - .base.atr_rxval = ANT_SW, - // .base.atr_tx_delay = - // .base.atr_rx_delay = - .common.DIV2 = 1, - .common.CP1 = 7, - .common.CP2 = 7, - .common.spi_mask = SPI_SS_TX_DB, - .common.freq_mult = 2 -}; - -struct db_rfx_1800_rx db_rfx_1800_rx = { - .base.dbid = 0x0034, - .base.is_tx = false, - .base.output_enables = 0x00E0, - .base.used_pins = 0x00FF, - .base.freq_min = U2_DOUBLE_TO_FXPT_FREQ(1500e6), - .base.freq_max = U2_DOUBLE_TO_FXPT_FREQ(2100e6), - .base.gain_min = U2_DOUBLE_TO_FXPT_GAIN(0), - .base.gain_max = U2_DOUBLE_TO_FXPT_GAIN(70), - .base.gain_step_size = U2_DOUBLE_TO_FXPT_GAIN(0.034), - .base.is_quadrature = true, - .base.i_and_q_swapped = true, - .base.spectrum_inverted = false, - .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0), - .base.init = rfx_init_rx, - .base.set_freq = rfx_set_freq, - .base.set_gain = rfx_set_gain_rx, - .base.set_tx_enable = 0, - .base.atr_mask = 0x00E0, - .base.atr_txval = 0, - .base.atr_rxval = MIX_EN, - // .base.atr_tx_delay = - // .base.atr_rx_delay = - .common.DIV2 = 0, - .common.CP1 = 7, - .common.CP2 = 7, - .common.spi_mask = SPI_SS_RX_DB, - .common.freq_mult = 1 -}; - - -struct db_rfx_1800_tx db_rfx_1800_tx = { - .base.dbid = 0x0035, - .base.is_tx = true, - .base.output_enables = 0x00E0, - .base.used_pins = 0x00FF, - .base.freq_min = U2_DOUBLE_TO_FXPT_FREQ(1500e6), - .base.freq_max = U2_DOUBLE_TO_FXPT_FREQ(2100e6), - //.base.gain_min = U2_DOUBLE_TO_FXPT_GAIN(xxx), - //.base.gain_max = U2_DOUBLE_TO_FXPT_GAIN(xxx), - //.base.gain_step_size = U2_DOUBLE_TO_FXPT_GAIN(xxx), - .base.is_quadrature = true, - .base.i_and_q_swapped = false, - .base.spectrum_inverted = false, - .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(12.5e6), - .base.init = rfx_init_tx, - .base.set_freq = rfx_set_freq, - .base.set_gain = rfx_set_gain_tx, - .base.set_tx_enable = rfx_set_tx_enable, - .base.atr_mask = 0x00E0, - .base.atr_txval = MIX_EN, - .base.atr_rxval = ANT_SW, - // .base.atr_tx_delay = - // .base.atr_rx_delay = - .common.DIV2 = 0, - .common.CP1 = 7, - .common.CP2 = 7, - .common.spi_mask = SPI_SS_TX_DB, - .common.freq_mult = 1 -}; - - -struct db_rfx_2400_rx db_rfx_2400_rx = { - .base.dbid = 0x0027, - .base.is_tx = false, - .base.output_enables = 0x00E0, - .base.used_pins = 0x00FF, - .base.freq_min = U2_DOUBLE_TO_FXPT_FREQ(2300e6), - .base.freq_max = U2_DOUBLE_TO_FXPT_FREQ(2900e6), - .base.gain_min = U2_DOUBLE_TO_FXPT_GAIN(0), - .base.gain_max = U2_DOUBLE_TO_FXPT_GAIN(70), - .base.gain_step_size = U2_DOUBLE_TO_FXPT_GAIN(0.034), - .base.is_quadrature = true, - .base.i_and_q_swapped = true, - .base.spectrum_inverted = false, - .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0), - .base.init = rfx_init_rx, - .base.set_freq = rfx_set_freq, - .base.set_gain = rfx_set_gain_rx, - .base.set_tx_enable = 0, - .base.atr_mask = 0x00E0, - .base.atr_txval = 0, - .base.atr_rxval = MIX_EN, - // .base.atr_tx_delay = - // .base.atr_rx_delay = - .common.DIV2 = 0, - .common.CP1 = 7, - .common.CP2 = 7, - .common.spi_mask = SPI_SS_RX_DB, - .common.freq_mult = 1 -}; - - -struct db_rfx_2400_tx db_rfx_2400_tx = { - .base.dbid = 0x002b, - .base.is_tx = true, - .base.output_enables = 0x00E0, - .base.used_pins = 0x00FF, - .base.freq_min = U2_DOUBLE_TO_FXPT_FREQ(2300e6), - .base.freq_max = U2_DOUBLE_TO_FXPT_FREQ(2900e6), - //.base.gain_min = U2_DOUBLE_TO_FXPT_GAIN(xxx), - //.base.gain_max = U2_DOUBLE_TO_FXPT_GAIN(xxx), - //.base.gain_step_size = U2_DOUBLE_TO_FXPT_GAIN(xxx), - .base.is_quadrature = true, - .base.i_and_q_swapped = false, - .base.spectrum_inverted = false, - .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(12.5e6), - .base.init = rfx_init_tx, - .base.set_freq = rfx_set_freq, - .base.set_gain = rfx_set_gain_tx, - .base.set_tx_enable = rfx_set_tx_enable, - .base.atr_mask = 0x00E0, - .base.atr_txval = MIX_EN, - .base.atr_rxval = ANT_SW, - // .base.atr_tx_delay = - // .base.atr_rx_delay = - .common.DIV2 = 0, - .common.CP1 = 7, - .common.CP2 = 7, - .common.spi_mask = SPI_SS_TX_DB, - .common.freq_mult = 1 -}; - - -bool -rfx_init_tx(struct db_base *dbb) -{ - //struct db_rfx_dummy *db = (struct db_rfx_dummy *) dbb; - clocks_enable_tx_dboard(true, 0); - - // Set the freq now to get the one time 10ms delay out of the way. - u2_fxpt_freq_t dc; - dbb->set_freq(dbb, dbb->freq_min, &dc); - return true; -} - -bool -rfx_init_rx(struct db_base *dbb) -{ - //struct db_rfx_dummy *db = (struct db_rfx_dummy *) dbb; - clocks_enable_rx_dboard(true, 0); - - // test gain - dbb->set_gain(dbb,U2_DOUBLE_TO_FXPT_GAIN(45.0)); - - // Set the freq now to get the one time 10ms delay out of the way. - u2_fxpt_freq_t dc; - dbb->set_freq(dbb, dbb->freq_min, &dc); - - return true; -} - -bool -rfx_set_freq(struct db_base *dbb, u2_fxpt_freq_t freq, u2_fxpt_freq_t *dc) -{ - static unsigned char first = true; - - *dc = 0; - struct db_rfx_dummy *db = (struct db_rfx_dummy *) dbb; - u2_fxpt_freq_t desired_n = (U2_DOUBLE_TO_FXPT_FREQ(1.0)*db->common.freq_mult*freq)/phdet_freq; - int N_DIV = u2_fxpt_freq_round_to_int(desired_n); - int B = N_DIV/PRESCALER; - int A = N_DIV - PRESCALER*B; - - if(B<A) - return false; - - int R = (R_RSV<<22)|(R_BSC<<20)|(R_TMB<<19)|(R_LDP<<18)|(R_ABP<<16)|(R_DIV<<2)|1; - int N = (DIVSEL<<23)|(db->common.DIV2<<22)|(CPGAIN<<21)|(B<<8)|(N_RSV<<7)|(A<<2)|2; - int C = (P<<22)|(PD<<20)|(db->common.CP2<<17)|(db->common.CP1<<14)|(PL<<12)| - (MTLD<<11)|(CPGAIN<<10)|(CP3S<<9)|(PDP<<8)|(MUXOUT<<5)|(CR<<4)|(PC<<2)|0; - - spi_transact(SPI_TXONLY,db->common.spi_mask,R,24,SPIF_PUSH_FALL); - spi_transact(SPI_TXONLY,db->common.spi_mask,C,24,SPIF_PUSH_FALL); - if (first){ - first = false; - mdelay(10); - } - spi_transact(SPI_TXONLY,db->common.spi_mask,N,24,SPIF_PUSH_FALL); - - //printf("A = %d, B = %d, N_DIV = %d\n",A, B, N_DIV); - *dc = (N_DIV * phdet_freq) / db->common.freq_mult; - return true; -} - -bool -rfx_set_gain_tx(struct db_base *dbb, u2_fxpt_gain_t gain) -{ - // There is no analog gain control on TX - return true; -} - -bool -rfx_set_gain_rx(struct db_base *dbb, u2_fxpt_gain_t gain) -{ - struct db_rfx_dummy *db = (struct db_rfx_dummy *) dbb; - - int offset_q8 = (int)(1.2/3.3*4096*(1<<15)); - int range_q15 = (int)(-1.0*4096/3.3*256*128); - int slope_q8 = range_q15/db->base.gain_max; - - int dacword = ((slope_q8 * gain) + offset_q8)>>15; - //printf("DACWORD %d\n",dacword); - lsdac_write_rx(1,dacword); - return true; -} - - -bool -rfx_set_tx_enable(struct db_base *dbb, bool on) -{ - struct db_rfx_dummy *db = (struct db_rfx_dummy *) dbb; - - // FIXME - - return false; -} - -bool -rfx_lock_detect(struct db_base *dbb) -{ - struct db_rfx_dummy *db = (struct db_rfx_dummy *) dbb; - int pins; - pins = hal_gpio_read( db->base.is_tx ? GPIO_TX_BANK : GPIO_RX_BANK ); - if(pins & LOCKDET_MASK) - return true; - return false; -} - -/* - def select_rx_antenna(self, which_antenna): - """ - Specify which antenna port to use for reception. - @param which_antenna: either 'TX/RX' or 'RX2' - """ - if which_antenna in (0, 'TX/RX'): - self._u.write_io(self._which, 0, RX2_RX1N) - elif which_antenna in (1, 'RX2'): - self._u.write_io(self._which, RX2_RX1N, RX2_RX1N) - else: - raise ValueError, "which_antenna must be either 'TX/RX' or 'RX2'" - - def set_gain(self, gain): - """ - Set the gain. - - @param gain: gain in decibels - @returns True/False - """ - maxgain = self.gain_range()[1] - self._u.pga_max() - mingain = self.gain_range()[0] - if gain > maxgain: - pga_gain = gain-maxgain - assert pga_gain <= self._u.pga_max() - agc_gain = maxgain - else: - pga_gain = 0 - agc_gain = gain - V_maxgain = .2 - V_mingain = 1.2 - V_fullscale = 3.3 - dac_value = (agc_gain*(V_maxgain-V_mingain)/(maxgain-mingain) + V_mingain)*4096/V_fullscale - assert dac_value>=0 and dac_value<4096 - return self._u.write_aux_dac(self._which, 0, int(dac_value)) and \ - self._set_pga(int(pga_gain)) - - def gain_range(self): - return (self._u.pga_min(), self._u.pga_max() + 70, 0.05) -- For 900-2400 - return (self._u.pga_min(), self._u.pga_max() + 45, 0.035) -- For 400 - -*/ |