+++ /dev/null
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2010 Håvard Espeland <gus@ping.uio.no>,
- * Copyright (C) 2010 Martin Stensgård <mastensg@ping.uio.no>
- * Copyright (C) 2010 Carl Henrik Lunde <chlunde@ping.uio.no>
- *
- * 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/>.
- */
-
-#ifndef LIBSIGROK_HARDWARE_ASIX_SIGMA_ASIX_SIGMA_H
-#define LIBSIGROK_HARDWARE_ASIX_SIGMA_ASIX_SIGMA_H
-
-#define LOG_PREFIX "asix-sigma"
-
-enum sigma_write_register {
- WRITE_CLOCK_SELECT = 0,
- WRITE_TRIGGER_SELECT0 = 1,
- WRITE_TRIGGER_SELECT1 = 2,
- WRITE_MODE = 3,
- WRITE_MEMROW = 4,
- WRITE_POST_TRIGGER = 5,
- WRITE_TRIGGER_OPTION = 6,
- WRITE_PIN_VIEW = 7,
-
- WRITE_TEST = 15,
-};
-
-enum sigma_read_register {
- READ_ID = 0,
- READ_TRIGGER_POS_LOW = 1,
- READ_TRIGGER_POS_HIGH = 2,
- READ_TRIGGER_POS_UP = 3,
- READ_STOP_POS_LOW = 4,
- READ_STOP_POS_HIGH = 5,
- READ_STOP_POS_UP = 6,
- READ_MODE = 7,
- READ_PIN_CHANGE_LOW = 8,
- READ_PIN_CHANGE_HIGH = 9,
- READ_BLOCK_LAST_TS_LOW = 10,
- READ_BLOCK_LAST_TS_HIGH = 11,
- READ_PIN_VIEW = 12,
-
- READ_TEST = 15,
-};
-
-#define REG_ADDR_LOW (0x0 << 4)
-#define REG_ADDR_HIGH (0x1 << 4)
-#define REG_DATA_LOW (0x2 << 4)
-#define REG_DATA_HIGH_WRITE (0x3 << 4)
-#define REG_READ_ADDR (0x4 << 4)
-#define REG_DRAM_WAIT_ACK (0x5 << 4)
-
-/* Bit (1 << 4) can be low or high (double buffer / cache) */
-#define REG_DRAM_BLOCK (0x6 << 4)
-#define REG_DRAM_BLOCK_BEGIN (0x8 << 4)
-#define REG_DRAM_BLOCK_DATA (0xa << 4)
-
-#define LEDSEL0 6
-#define LEDSEL1 7
-
-#define NEXT_REG 1
-
-#define EVENTS_PER_CLUSTER 7
-
-#define CHUNK_SIZE 1024
-
-/*
- * The entire ASIX Sigma DRAM is an array of struct sigma_dram_line[1024];
- */
-
-/* One "DRAM cluster" contains a timestamp and 7 samples, 16b total. */
-struct sigma_dram_cluster {
- uint8_t timestamp_lo;
- uint8_t timestamp_hi;
- struct {
- uint8_t sample_hi;
- uint8_t sample_lo;
- } samples[7];
-};
-
-/* One "DRAM line" contains 64 "DRAM clusters", 1024b total. */
-struct sigma_dram_line {
- struct sigma_dram_cluster cluster[64];
-};
-
-struct clockselect_50 {
- uint8_t async;
- uint8_t fraction;
- uint16_t disabled_channels;
-};
-
-/* The effect of all these are still a bit unclear. */
-struct triggerinout {
- uint8_t trgout_resistor_enable : 1;
- uint8_t trgout_resistor_pullup : 1;
- uint8_t reserved1 : 1;
- uint8_t trgout_bytrigger : 1;
- uint8_t trgout_byevent : 1;
- uint8_t trgout_bytriggerin : 1;
- uint8_t reserved2 : 2;
-
- /* Should be set same as the first two */
- uint8_t trgout_resistor_enable2 : 1;
- uint8_t trgout_resistor_pullup2 : 1;
-
- uint8_t reserved3 : 1;
- uint8_t trgout_long : 1;
- uint8_t trgout_pin : 1; /* Use 1k resistor. Pullup? */
- uint8_t trgin_negate : 1;
- uint8_t trgout_enable : 1;
- uint8_t trgin_enable : 1;
-};
-
-struct triggerlut {
- /* The actual LUTs. */
- uint16_t m0d[4], m1d[4], m2d[4];
- uint16_t m3, m3s, m4;
-
- /* Paramters should be sent as a single register write. */
- struct {
- uint8_t selc : 2;
- uint8_t selpresc : 6;
-
- uint8_t selinc : 2;
- uint8_t selres : 2;
- uint8_t sela : 2;
- uint8_t selb : 2;
-
- uint16_t cmpb;
- uint16_t cmpa;
- } params;
-};
-
-/* Trigger configuration */
-struct sigma_trigger {
- /* Only two channels can be used in mask. */
- uint16_t risingmask;
- uint16_t fallingmask;
-
- /* Simple trigger support (<= 50 MHz). */
- uint16_t simplemask;
- uint16_t simplevalue;
-
- /* TODO: Advanced trigger support (boolean expressions). */
-};
-
-/* Events for trigger operation. */
-enum triggerop {
- OP_LEVEL = 1,
- OP_NOT,
- OP_RISE,
- OP_FALL,
- OP_RISEFALL,
- OP_NOTRISE,
- OP_NOTFALL,
- OP_NOTRISEFALL,
-};
-
-/* Logical functions for trigger operation. */
-enum triggerfunc {
- FUNC_AND = 1,
- FUNC_NAND,
- FUNC_OR,
- FUNC_NOR,
- FUNC_XOR,
- FUNC_NXOR,
-};
-
-struct sigma_state {
- enum {
- SIGMA_UNINITIALIZED = 0,
- SIGMA_IDLE,
- SIGMA_CAPTURE,
- SIGMA_DOWNLOAD,
- } state;
-
- uint16_t lastts;
- uint16_t lastsample;
-};
-
-/* Private, per-device-instance driver context. */
-struct dev_context {
- struct ftdi_context ftdic;
- uint64_t cur_samplerate;
- uint64_t period_ps;
- uint64_t limit_msec;
- struct timeval start_tv;
- int cur_firmware;
- int num_channels;
- int cur_channels;
- int samples_per_event;
- int capture_ratio;
- struct sigma_trigger trigger;
- int use_triggers;
- struct sigma_state state;
- void *cb_data;
-};
-
-#endif
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