]> sigrok.org Git - libsigrok.git/blame - src/hardware/fx2lafw/dslogic.h
dslogic: Add support for external clock edge selection.
[libsigrok.git] / src / hardware / fx2lafw / dslogic.h
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1/*
2 * This file is part of the libsigrok project.
3 *
4 * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
5 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
6fcf3f0a 21#ifndef LIBSIGROK_HARDWARE_FX2LAFW_DSLOGIC_H
22#define LIBSIGROK_HARDWARE_FX2LAFW_DSLOGIC_H
23
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24/* Modified protocol commands & flags used by DSLogic */
25#define DS_CMD_GET_FW_VERSION 0xb0
26#define DS_CMD_GET_REVID_VERSION 0xb1
6fcf3f0a 27#define DS_CMD_START 0xb2
28#define DS_CMD_FPGA_FW 0xb3
29#define DS_CMD_CONFIG 0xb4
3fc3fbe4 30#define DS_CMD_VTH 0xb8
b9d53092 31
6fcf3f0a 32#define DS_NUM_TRIGGER_STAGES 16
33#define DS_START_FLAGS_STOP (1 << 7)
34#define DS_START_FLAGS_CLK_48MHZ (1 << 6)
35#define DS_START_FLAGS_SAMPLE_WIDE (1 << 5)
62974b23 36#define DS_START_FLAGS_MODE_LA (1 << 4)
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37
38enum dslogic_operation_modes {
39 DS_OP_NORMAL,
40 DS_OP_INTERNAL_TEST,
41 DS_OP_EXTERNAL_TEST,
42 DS_OP_LOOPBACK_TEST,
43};
44
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45enum {
46 DS_VOLTAGE_RANGE_18_33_V, /* 1.8V and 3.3V logic */
47 DS_VOLTAGE_RANGE_5_V, /* 5V logic */
48};
49
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50enum{
51 DS_EDGE_RISING,
52 DS_EDGE_FALLING
53};
54
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55struct dslogic_version {
56 uint8_t major;
57 uint8_t minor;
58};
59
60struct dslogic_mode {
61 uint8_t flags;
62 uint8_t sample_delay_h;
63 uint8_t sample_delay_l;
64};
65
66struct dslogic_trigger_pos {
67 uint32_t real_pos;
68 uint32_t ram_saddr;
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69 uint32_t remain_cnt;
70 uint8_t first_block[500];
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71};
72
73/*
74 * The FPGA is configured with TLV tuples. Length is specified as the
75 * number of 16-bit words, and the (type, length) header is in some
76 * cases padded with 0xffff.
77 */
78#define _DS_CFG(variable, wordcnt) ((variable << 8) | wordcnt)
79#define _DS_CFG_PAD(variable, wordcnt) ((_DS_CFG(variable, wordcnt) << 16) | 0xffff)
3f0ff412 80#define DS_CFG_START 0xf5a5f5a5
6fcf3f0a 81#define DS_CFG_MODE _DS_CFG(0, 1)
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82#define DS_CFG_DIVIDER _DS_CFG_PAD(1, 2)
83#define DS_CFG_COUNT _DS_CFG_PAD(3, 2)
84#define DS_CFG_TRIG_POS _DS_CFG_PAD(5, 2)
85#define DS_CFG_TRIG_GLB _DS_CFG(7, 1)
86#define DS_CFG_TRIG_ADP _DS_CFG_PAD(10, 2)
87#define DS_CFG_TRIG_SDA _DS_CFG_PAD(12, 2)
88#define DS_CFG_TRIG_MASK0 _DS_CFG_PAD(16, 16)
89#define DS_CFG_TRIG_MASK1 _DS_CFG_PAD(17, 16)
90#define DS_CFG_TRIG_VALUE0 _DS_CFG_PAD(20, 16)
91#define DS_CFG_TRIG_VALUE1 _DS_CFG_PAD(21, 16)
92#define DS_CFG_TRIG_EDGE0 _DS_CFG_PAD(24, 16)
93#define DS_CFG_TRIG_EDGE1 _DS_CFG_PAD(25, 16)
94#define DS_CFG_TRIG_COUNT0 _DS_CFG_PAD(28, 16)
95#define DS_CFG_TRIG_COUNT1 _DS_CFG_PAD(29, 16)
96#define DS_CFG_TRIG_LOGIC0 _DS_CFG_PAD(32, 16)
97#define DS_CFG_TRIG_LOGIC1 _DS_CFG_PAD(33, 16)
3f0ff412 98#define DS_CFG_END 0xfa5afa5a
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99
100struct dslogic_fpga_config {
101 uint32_t sync;
102 uint16_t mode_header;
103 uint16_t mode;
104 uint32_t divider_header;
105 uint32_t divider;
106 uint32_t count_header;
107 uint32_t count;
108 uint32_t trig_pos_header;
109 uint32_t trig_pos;
110 uint16_t trig_glb_header;
111 uint16_t trig_glb;
112 uint32_t trig_adp_header;
113 uint32_t trig_adp;
114 uint32_t trig_sda_header;
115 uint32_t trig_sda;
116 uint32_t trig_mask0_header;
117 uint16_t trig_mask0[DS_NUM_TRIGGER_STAGES];
118 uint32_t trig_mask1_header;
119 uint16_t trig_mask1[DS_NUM_TRIGGER_STAGES];
120 uint32_t trig_value0_header;
121 uint16_t trig_value0[DS_NUM_TRIGGER_STAGES];
122 uint32_t trig_value1_header;
123 uint16_t trig_value1[DS_NUM_TRIGGER_STAGES];
124 uint32_t trig_edge0_header;
125 uint16_t trig_edge0[DS_NUM_TRIGGER_STAGES];
126 uint32_t trig_edge1_header;
127 uint16_t trig_edge1[DS_NUM_TRIGGER_STAGES];
128 uint32_t trig_count0_header;
129 uint16_t trig_count0[DS_NUM_TRIGGER_STAGES];
130 uint32_t trig_count1_header;
131 uint16_t trig_count1[DS_NUM_TRIGGER_STAGES];
132 uint32_t trig_logic0_header;
133 uint16_t trig_logic0[DS_NUM_TRIGGER_STAGES];
134 uint32_t trig_logic1_header;
135 uint16_t trig_logic1[DS_NUM_TRIGGER_STAGES];
136 uint32_t end_sync;
137};
138
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139SR_PRIV int dslogic_fpga_firmware_upload(const struct sr_dev_inst *sdi,
140 const char *name);
141SR_PRIV int dslogic_start_acquisition(const struct sr_dev_inst *sdi);
142SR_PRIV int dslogic_stop_acquisition(const struct sr_dev_inst *sdi);
143SR_PRIV int dslogic_fpga_configure(const struct sr_dev_inst *sdi);
3fc3fbe4 144SR_PRIV int dslogic_set_vth(const struct sr_dev_inst *sdi, double vth);
6fcf3f0a 145
146#endif