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f2cd2deb FS |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
7047acc8 | 4 | * Copyright (C) 2022 Gerhard Sittig <gerhard.sittig@gmx.net> |
f2cd2deb FS |
5 | * Copyright (C) 2020 Florian Schmidt <schmidt_florian@gmx.de> |
6 | * Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se> | |
7 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> | |
8 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
9 | * | |
10 | * This program is free software: you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation, either version 3 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
22 | */ | |
23 | ||
24 | #ifndef LIBSIGROK_HARDWARE_KINGST_LA2016_PROTOCOL_H | |
25 | #define LIBSIGROK_HARDWARE_KINGST_LA2016_PROTOCOL_H | |
26 | ||
f2cd2deb | 27 | #include <libsigrok/libsigrok.h> |
a7740b06 | 28 | #include <stdint.h> |
f2cd2deb | 29 | |
e9430410 | 30 | #define LOG_PREFIX "kingst-la2016" |
f2cd2deb | 31 | |
f2cd2deb FS |
32 | #define LA2016_VID 0x77a1 |
33 | #define LA2016_PID 0x01a2 | |
852c7d14 | 34 | #define LA2016_IPRODUCT_INDEX 2 |
f2cd2deb | 35 | #define USB_INTERFACE 0 |
40a0b2f4 | 36 | #define USB_CONFIGURATION 1 |
852c7d14 GS |
37 | #define USB_EP_FPGA_BITSTREAM 2 |
38 | #define USB_EP_CAPTURE_DATA 6 | |
f2cd2deb | 39 | |
e847645b KG |
40 | /* |
41 | * On Windows sigrok uses WinUSB RAW_IO policy which requires the | |
42 | * USB transfer buffer size to be a multiple of the endpoint max packet | |
96dc954e GS |
43 | * size, which is 512 bytes in this case. Also, the maximum allowed size |
44 | * of the transfer buffer is normally read from WinUSB_GetPipePolicy API | |
45 | * but libusb does not expose this function. Typically, max size is 2MB. | |
e847645b | 46 | */ |
96dc954e GS |
47 | #define LA2016_EP6_PKTSZ 512 /* Max packet size of USB endpoint 6. */ |
48 | #define LA2016_USB_BUFSZ (256 * 2 * LA2016_EP6_PKTSZ) /* 256KiB buffer. */ | |
796ce0bf | 49 | #define LA2016_USB_XFER_COUNT 32 /* Size of USB bulk transfers pool. */ |
e847645b | 50 | |
22cb067a | 51 | /* USB communication timeout during regular operation. */ |
e9430410 | 52 | #define DEFAULT_TIMEOUT_MS 200 |
1291ea43 | 53 | #define CAPTURE_TIMEOUT_MS 500 |
f2cd2deb | 54 | |
22cb067a GS |
55 | /* |
56 | * Check for MCU firmware to take effect after upload. Check the device | |
57 | * presence for a maximum period of time, delay between checks in that | |
58 | * phase. Allow for the device to vanish after upload and before checks, | |
59 | * to not mistake its earlier incarnation for the successful operation | |
60 | * of the most recently loaded firmware. | |
61 | */ | |
62 | #define RENUM_CHECK_PERIOD_MS 3000 | |
63 | #define RENUM_GONE_DELAY_MS 1800 | |
64 | #define RENUM_POLL_INTERVAL_MS 200 | |
65 | ||
b0d0131e GS |
66 | /* |
67 | * The device expects some zero padding to follow the content of the | |
68 | * file which contains the FPGA bitstream. Specify the chunk size here. | |
69 | */ | |
70 | #define LA2016_EP2_PADDING 2048 | |
71 | ||
9270f8f4 | 72 | /* |
339e78c4 GS |
73 | * Whether the logic input threshold voltage is a config item of the |
74 | * "Logic" channel group or a global config item of the device. Ideally | |
75 | * it would be the former (being strictly related to the Logic channels) | |
76 | * but mainline applications work better with the latter, and many other | |
77 | * device drivers implement it that way, too. | |
9270f8f4 GS |
78 | */ |
79 | #define WITH_THRESHOLD_DEVCFG 1 | |
9270f8f4 | 80 | |
e9430410 GS |
81 | #define LA2016_THR_VOLTAGE_MIN 0.40 |
82 | #define LA2016_THR_VOLTAGE_MAX 4.00 | |
f2cd2deb | 83 | |
038e65c1 GS |
84 | /* Properties related to the layout of capture data downloads. */ |
85 | #define TRANSFER_PACKET_LENGTH 16 | |
ea436ba7 GS |
86 | #define LA2016_NUM_SAMPLES_MAX (UINT64_C(10 * 1000 * 1000 * 1000)) |
87 | ||
88 | /* Maximum device capabilities. May differ between models. */ | |
ea436ba7 GS |
89 | #define MAX_PWM_FREQ SR_MHZ(20) |
90 | #define PWM_CLOCK SR_MHZ(200) /* 200MHz for both LA2016 and LA1016 */ | |
91 | ||
852c7d14 GS |
92 | #define LA2016_NUM_PWMCH_MAX 2 |
93 | ||
66a24ab5 GS |
94 | /* |
95 | * Whether to de-initialize the device hardware in the driver's close | |
96 | * callback. It is desirable to e.g. configure PWM channels and leave | |
97 | * the generator running after the application shuts down. Users can | |
98 | * always disable channels on their way out if they want to. | |
99 | */ | |
100 | #define WITH_DEINIT_IN_CLOSE 0 | |
101 | ||
852c7d14 GS |
102 | #define LA2016_CONVBUFFER_SIZE (4 * 1024 * 1024) |
103 | ||
d466f61c GS |
104 | struct kingst_model { |
105 | uint8_t magic; /* EEPROM magic byte value. */ | |
106 | const char *name; /* User perceived model name. */ | |
107 | const char *fpga_stem; /* Bitstream filename stem. */ | |
108 | uint64_t samplerate; /* Max samplerate in Hz. */ | |
109 | size_t channel_count; /* Max channel count (16, 32). */ | |
110 | uint64_t memory_bits; /* RAM capacity in Gbit (1, 2, 4). */ | |
111 | }; | |
112 | ||
f2cd2deb | 113 | struct dev_context { |
d466f61c GS |
114 | uint16_t usb_pid; |
115 | char *mcu_firmware; | |
116 | char *fpga_bitstream; | |
520a20e9 | 117 | uint64_t fw_uploaded; /* Timestamp of most recent FW upload. */ |
d466f61c GS |
118 | uint8_t identify_magic; |
119 | const struct kingst_model *model; | |
331277e0 | 120 | struct sr_channel_group *cg_logic, *cg_pwm; |
96dc954e GS |
121 | |
122 | /* User specified parameters. */ | |
08a49848 GS |
123 | struct pwm_setting { |
124 | gboolean enabled; | |
125 | float freq; | |
126 | float duty; | |
127 | } pwm_setting[LA2016_NUM_PWMCH_MAX]; | |
5eb1b63d | 128 | size_t threshold_voltage_idx; |
edc0b015 | 129 | uint64_t samplerate; |
a38f0f5e | 130 | struct sr_sw_limits sw_limits; |
f2cd2deb | 131 | uint64_t capture_ratio; |
f2cd2deb | 132 | |
96dc954e | 133 | /* Internal acquisition and download state. */ |
cf057ac4 | 134 | gboolean trigger_involved; |
96a405ab | 135 | gboolean frame_begin_sent; |
cf057ac4 GS |
136 | gboolean completion_seen; |
137 | gboolean download_finished; | |
038e65c1 | 138 | uint32_t packets_per_chunk; |
edb13f41 GS |
139 | struct capture_info { |
140 | uint32_t n_rep_packets; | |
141 | uint32_t n_rep_packets_before_trigger; | |
142 | uint32_t write_pos; | |
143 | } info; | |
480efba2 GS |
144 | uint32_t n_transfer_packets_to_read; /* each with 5 acq packets */ |
145 | uint32_t n_bytes_to_read; | |
146 | uint32_t n_reps_until_trigger; | |
cf057ac4 | 147 | gboolean trigger_marked; |
f2cd2deb FS |
148 | uint64_t total_samples; |
149 | uint32_t read_pos; | |
150 | ||
a38f0f5e | 151 | struct feed_queue_logic *feed_queue; |
796ce0bf | 152 | GSList *transfers; |
1291ea43 | 153 | size_t transfer_bufsize; |
f2cd2deb FS |
154 | }; |
155 | ||
d466f61c | 156 | SR_PRIV int la2016_upload_firmware(const struct sr_dev_inst *sdi, |
91aa0f04 | 157 | struct sr_context *sr_ctx, libusb_device *dev, gboolean skip_upload); |
d466f61c GS |
158 | SR_PRIV int la2016_identify_device(const struct sr_dev_inst *sdi, |
159 | gboolean show_message); | |
6d53e949 | 160 | SR_PRIV int la2016_init_hardware(const struct sr_dev_inst *sdi); |
6d53e949 | 161 | SR_PRIV int la2016_deinit_hardware(const struct sr_dev_inst *sdi); |
08a49848 | 162 | SR_PRIV int la2016_write_pwm_config(const struct sr_dev_inst *sdi, size_t idx); |
9270f8f4 GS |
163 | SR_PRIV int la2016_setup_acquisition(const struct sr_dev_inst *sdi, |
164 | double voltage); | |
b1e8446f GS |
165 | SR_PRIV int la2016_start_acquisition(const struct sr_dev_inst *sdi); |
166 | SR_PRIV int la2016_abort_acquisition(const struct sr_dev_inst *sdi); | |
167 | SR_PRIV int la2016_receive_data(int fd, int revents, void *cb_data); | |
1291ea43 | 168 | SR_PRIV void la2016_release_resources(const struct sr_dev_inst *sdi); |
f2cd2deb | 169 | |
f2cd2deb | 170 | #endif |