[libsigrok.git] / src / hardware / ikalogic-scanaplus / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include <config.h>
#include "protocol.h"

#define USB_VENDOR_ID			0x0403
#define USB_DEVICE_ID			0x6014
#define USB_VENDOR_NAME			"IKALOGIC"
#define USB_MODEL_NAME			"ScanaPLUS"
#define USB_IPRODUCT			"SCANAPLUS"

#define SAMPLE_BUF_SIZE			(8 * 1024 * 1024)

static const uint32_t devopts[] = {
	SR_CONF_LOGIC_ANALYZER,
	SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
	SR_CONF_LIMIT_MSEC | SR_CONF_SET,
	SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
};

/* Channels are numbered 1-9. */
static const char *channel_names[] = {
	"1", "2", "3", "4", "5", "6", "7", "8", "9",
};

/* Note: The IKALOGIC ScanaPLUS always samples at 100MHz. */
static const uint64_t samplerates[1] = { SR_MHZ(100) };

SR_PRIV struct sr_dev_driver ikalogic_scanaplus_driver_info;

static int dev_acquisition_stop(struct sr_dev_inst *sdi);

static void clear_helper(void *priv)
{
	struct dev_context *devc;

	devc = priv;

	ftdi_free(devc->ftdic);
	g_free(devc->compressed_buf);
	g_free(devc->sample_buf);
	g_free(devc);
}

static int dev_clear(const struct sr_dev_driver *di)
{
	return std_dev_clear(di, clear_helper);
}

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	struct sr_dev_inst *sdi;
	struct drv_context *drvc;
	struct dev_context *devc;
	GSList *devices;
	unsigned int i;
	int ret;

	(void)options;

	drvc = di->context;

	devices = NULL;

	/* Allocate memory for our private device context. */
	devc = g_malloc0(sizeof(struct dev_context));

	/* Allocate memory for the incoming compressed samples. */
	if (!(devc->compressed_buf = g_try_malloc0(COMPRESSED_BUF_SIZE))) {
		sr_err("compressed_buf malloc failed.");
		goto err_free_devc;
	}

	/* Allocate memory for the uncompressed samples. */
	if (!(devc->sample_buf = g_try_malloc0(SAMPLE_BUF_SIZE))) {
		sr_err("sample_buf malloc failed.");
		goto err_free_compressed_buf;
	}

	/* Allocate memory for the FTDI context (ftdic) and initialize it. */
	if (!(devc->ftdic = ftdi_new())) {
		sr_err("Failed to initialize libftdi.");
		goto err_free_sample_buf;
	}

	/* Check for the device and temporarily open it. */
	ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, USB_DEVICE_ID,
				 USB_IPRODUCT, NULL);
	if (ret < 0) {
		/* Log errors, except for -3 ("device not found"). */
		if (ret != -3)
			sr_err("Failed to open device (%d): %s", ret,
			       ftdi_get_error_string(devc->ftdic));
		goto err_free_ftdic;
	}

	/* Register the device with libsigrok. */
	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INITIALIZING;
	sdi->vendor = g_strdup(USB_VENDOR_NAME);
	sdi->model = g_strdup(USB_MODEL_NAME);
	sdi->driver = di;
	sdi->priv = devc;

	for (i = 0; i < ARRAY_SIZE(channel_names); i++)
		sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_names[i]);

	devices = g_slist_append(devices, sdi);
	drvc->instances = g_slist_append(drvc->instances, sdi);

	/* Close device. We'll reopen it again when we need it. */
	scanaplus_close(devc);

	return devices;

	scanaplus_close(devc);
err_free_ftdic:
	ftdi_free(devc->ftdic); /* NOT free() or g_free()! */
err_free_sample_buf:
	g_free(devc->sample_buf);
err_free_compressed_buf:
	g_free(devc->compressed_buf);
err_free_devc:
	g_free(devc);

	return NULL;
}

static int dev_open(struct sr_dev_inst *sdi)
{
	struct dev_context *devc;
	int ret;

	devc = sdi->priv;

	/* Select interface A, otherwise communication will fail. */
	ret = ftdi_set_interface(devc->ftdic, INTERFACE_A);
	if (ret < 0) {
		sr_err("Failed to set FTDI interface A (%d): %s", ret,
		       ftdi_get_error_string(devc->ftdic));
		return SR_ERR;
	}
	sr_dbg("FTDI chip interface A set successfully.");

	/* Open the device. */
	ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, USB_DEVICE_ID,
				 USB_IPRODUCT, NULL);
	if (ret < 0) {
		sr_err("Failed to open device (%d): %s", ret,
		       ftdi_get_error_string(devc->ftdic));
		return SR_ERR;
	}
	sr_dbg("FTDI device opened successfully.");

	/* Purge RX/TX buffers in the FTDI chip. */
	if ((ret = ftdi_usb_purge_buffers(devc->ftdic)) < 0) {
		sr_err("Failed to purge FTDI RX/TX buffers (%d): %s.",
		       ret, ftdi_get_error_string(devc->ftdic));
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("FTDI chip buffers purged successfully.");

	/* Reset the FTDI bitmode. */
	ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_RESET);
	if (ret < 0) {
		sr_err("Failed to reset the FTDI chip bitmode (%d): %s.",
		       ret, ftdi_get_error_string(devc->ftdic));
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("FTDI chip bitmode reset successfully.");

	/* Set FTDI bitmode to "sync FIFO". */
	ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_SYNCFF);
	if (ret < 0) {
		sr_err("Failed to put FTDI chip into sync FIFO mode (%d): %s.",
		       ret, ftdi_get_error_string(devc->ftdic));
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("FTDI chip sync FIFO mode entered successfully.");

	/* Set the FTDI latency timer to 2. */
	ret = ftdi_set_latency_timer(devc->ftdic, 2);
	if (ret < 0) {
		sr_err("Failed to set FTDI latency timer (%d): %s.",
		       ret, ftdi_get_error_string(devc->ftdic));
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("FTDI chip latency timer set successfully.");

	/* Set the FTDI read data chunk size to 64kB. */
	ret = ftdi_read_data_set_chunksize(devc->ftdic, 64 * 1024);
	if (ret < 0) {
		sr_err("Failed to set FTDI read data chunk size (%d): %s.",
		       ret, ftdi_get_error_string(devc->ftdic));
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("FTDI chip read data chunk size set successfully.");

	/* Get the ScanaPLUS device ID from the FTDI EEPROM. */
	if ((ret = scanaplus_get_device_id(devc)) < 0) {
		sr_err("Failed to get ScanaPLUS device ID: %d.", ret);
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("Received ScanaPLUS device ID successfully: %02x %02x %02x.",
	       devc->devid[0], devc->devid[1], devc->devid[2]);

	sdi->status = SR_ST_ACTIVE;

	return SR_OK;

err_dev_open_close_ftdic:
	scanaplus_close(devc);
	return SR_ERR;
}

static int dev_close(struct sr_dev_inst *sdi)
{
	int ret;
	struct dev_context *devc;

	ret = SR_OK;
	devc = sdi->priv;

	if (sdi->status == SR_ST_ACTIVE) {
		sr_dbg("Status ACTIVE, closing device.");
		ret = scanaplus_close(devc);
	} else {
		sr_spew("Status not ACTIVE, nothing to do.");
	}

	sdi->status = SR_ST_INACTIVE;

	return ret;
}

static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	(void)sdi;
	(void)cg;

	switch (key) {
	case SR_CONF_SAMPLERATE:
		/* The ScanaPLUS samplerate is 100MHz and can't be changed. */
		*data = g_variant_new_uint64(SR_MHZ(100));
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	struct dev_context *devc;

	(void)cg;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	devc = sdi->priv;

	switch (key) {
	case SR_CONF_SAMPLERATE:
		if (g_variant_get_uint64(data) != SR_MHZ(100)) {
			sr_err("ScanaPLUS only supports samplerate = 100MHz.");
			return SR_ERR_ARG;
		}
		/* Nothing to do, the ScanaPLUS samplerate is always 100MHz. */
		break;
	case SR_CONF_LIMIT_MSEC:
		if (g_variant_get_uint64(data) == 0)
			return SR_ERR_ARG;
		devc->limit_msec = g_variant_get_uint64(data);
		break;
	case SR_CONF_LIMIT_SAMPLES:
		if (g_variant_get_uint64(data) == 0)
			return SR_ERR_ARG;
		devc->limit_samples = g_variant_get_uint64(data);
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	GVariant *gvar;
	GVariantBuilder gvb;

	(void)sdi;
	(void)cg;

	switch (key) {
	case SR_CONF_DEVICE_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
		break;
	case SR_CONF_SAMPLERATE:
		g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
		gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
				samplerates, ARRAY_SIZE(samplerates),
				sizeof(uint64_t));
		g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
		*data = g_variant_builder_end(&gvb);
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
	int ret;
	struct dev_context *devc;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	devc = sdi->priv;

	if (!devc->ftdic)
		return SR_ERR_BUG;

	/* TODO: Configure channels later (thresholds etc.). */

	/* Properly reset internal variables before every new acquisition. */
	devc->compressed_bytes_ignored = 0;
	devc->samples_sent = 0;
	devc->bytes_received = 0;

	if ((ret = scanaplus_init(devc)) < 0)
		return ret;

	if ((ret = scanaplus_start_acquisition(devc)) < 0)
		return ret;

	std_session_send_df_header(sdi, LOG_PREFIX);

	/* Hook up a dummy handler to receive data from the device. */
	sr_session_source_add(sdi->session, -1, 0, 0, scanaplus_receive_data, (void *)sdi);

	return SR_OK;
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
	sr_dbg("Stopping acquisition.");
	sr_session_source_remove(sdi->session, -1);
	std_session_send_df_end(sdi, LOG_PREFIX);

	return SR_OK;
}

SR_PRIV struct sr_dev_driver ikalogic_scanaplus_driver_info = {
	.name = "ikalogic-scanaplus",
	.longname = "IKALOGIC ScanaPLUS",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = std_dev_list,
	.dev_clear = dev_clear,
	.config_get = config_get,
	.config_set = config_set,
	.config_list = config_list,
	.dev_open = dev_open,
	.dev_close = dev_close,
	.dev_acquisition_start = dev_acquisition_start,
	.dev_acquisition_stop = dev_acquisition_stop,
	.context = NULL,
};
Commit	Line	Data
fdf4a1f5 UH	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
6ec6c43b	21	#include <config.h>
fdf4a1f5 UH	22	#include "protocol.h"
fdf4a1f5 UH	23
ab4bb6eb UH	24	#define USB_VENDOR_ID 0x0403
ab4bb6eb UH	25	#define USB_DEVICE_ID 0x6014
ce95428c	26	#define USB_VENDOR_NAME "IKALOGIC"
ab4bb6eb UH	27	#define USB_MODEL_NAME "ScanaPLUS"
	28	#define USB_IPRODUCT "SCANAPLUS"
	29
	30	#define SAMPLE_BUF_SIZE (8 * 1024 * 1024)
	31
f254bc4b	32	static const uint32_t devopts[] = {
ab4bb6eb	33	SR_CONF_LOGIC_ANALYZER,
5827f61b BV	34	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET,
	35	SR_CONF_LIMIT_MSEC \| SR_CONF_SET,
	36	SR_CONF_SAMPLERATE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
ab4bb6eb UH	37	};
ab4bb6eb UH	38
ba7dd8bb UH	39	/* Channels are numbered 1-9. */
ba7dd8bb UH	40	static const char *channel_names[] = {
ab4bb6eb	41	"1", "2", "3", "4", "5", "6", "7", "8", "9",
ab4bb6eb UH	42	};
ab4bb6eb UH	43
ce95428c	44	/* Note: The IKALOGIC ScanaPLUS always samples at 100MHz. */
329733d9	45	static const uint64_t samplerates[1] = { SR_MHZ(100) };
ab4bb6eb	46
fdf4a1f5	47	SR_PRIV struct sr_dev_driver ikalogic_scanaplus_driver_info;
fdf4a1f5	48
695dc859	49	static int dev_acquisition_stop(struct sr_dev_inst *sdi);
ab4bb6eb UH	50
	51	static void clear_helper(void *priv)
	52	{
	53	struct dev_context *devc;
	54
	55	devc = priv;
	56
	57	ftdi_free(devc->ftdic);
	58	g_free(devc->compressed_buf);
	59	g_free(devc->sample_buf);
f817f05a	60	g_free(devc);
ab4bb6eb UH	61	}
ab4bb6eb UH	62
4f840ce9	63	static int dev_clear(const struct sr_dev_driver *di)
ab4bb6eb UH	64	{
	65	return std_dev_clear(di, clear_helper);
	66	}
	67
4f840ce9	68	static GSList scan(struct sr_dev_driver di, GSList *options)
fdf4a1f5	69	{
ab4bb6eb	70	struct sr_dev_inst *sdi;
fdf4a1f5	71	struct drv_context *drvc;
ab4bb6eb	72	struct dev_context *devc;
fdf4a1f5	73	GSList *devices;
ab4bb6eb UH	74	unsigned int i;
ab4bb6eb UH	75	int ret;
fdf4a1f5 UH	76
	77	(void)options;
	78
41812aca	79	drvc = di->context;
ab4bb6eb UH	80
	81	devices = NULL;
	82
	83	/* Allocate memory for our private device context. */
f57d8ffe	84	devc = g_malloc0(sizeof(struct dev_context));
ab4bb6eb UH	85
	86	/* Allocate memory for the incoming compressed samples. */
	87	if (!(devc->compressed_buf = g_try_malloc0(COMPRESSED_BUF_SIZE))) {
	88	sr_err("compressed_buf malloc failed.");
	89	goto err_free_devc;
	90	}
	91
	92	/* Allocate memory for the uncompressed samples. */
	93	if (!(devc->sample_buf = g_try_malloc0(SAMPLE_BUF_SIZE))) {
	94	sr_err("sample_buf malloc failed.");
	95	goto err_free_compressed_buf;
	96	}
	97
	98	/* Allocate memory for the FTDI context (ftdic) and initialize it. */
	99	if (!(devc->ftdic = ftdi_new())) {
	100	sr_err("Failed to initialize libftdi.");
	101	goto err_free_sample_buf;
	102	}
	103
	104	/* Check for the device and temporarily open it. */
	105	ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, USB_DEVICE_ID,
	106	USB_IPRODUCT, NULL);
	107	if (ret < 0) {
	108	/* Log errors, except for -3 ("device not found"). */
	109	if (ret != -3)
	110	sr_err("Failed to open device (%d): %s", ret,
	111	ftdi_get_error_string(devc->ftdic));
	112	goto err_free_ftdic;
	113	}
	114
	115	/* Register the device with libsigrok. */
aac29cc1	116	sdi = g_malloc0(sizeof(struct sr_dev_inst));
0af636be UH	117	sdi->status = SR_ST_INITIALIZING;
	118	sdi->vendor = g_strdup(USB_VENDOR_NAME);
	119	sdi->model = g_strdup(USB_MODEL_NAME);
ab4bb6eb UH	120	sdi->driver = di;
	121	sdi->priv = devc;
	122
0f34cb47 UH	123	for (i = 0; i < ARRAY_SIZE(channel_names); i++)
0f34cb47 UH	124	sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_names[i]);
ab4bb6eb UH	125
	126	devices = g_slist_append(devices, sdi);
	127	drvc->instances = g_slist_append(drvc->instances, sdi);
	128
	129	/* Close device. We'll reopen it again when we need it. */
	130	scanaplus_close(devc);
fdf4a1f5 UH	131
fdf4a1f5 UH	132	return devices;
ab4bb6eb	133
ab4bb6eb UH	134	scanaplus_close(devc);
	135	err_free_ftdic:
	136	ftdi_free(devc->ftdic); /* NOT free() or g_free()! */
	137	err_free_sample_buf:
	138	g_free(devc->sample_buf);
	139	err_free_compressed_buf:
	140	g_free(devc->compressed_buf);
	141	err_free_devc:
	142	g_free(devc);
ab4bb6eb UH	143
ab4bb6eb UH	144	return NULL;
fdf4a1f5 UH	145	}
fdf4a1f5 UH	146
fdf4a1f5 UH	147	static int dev_open(struct sr_dev_inst *sdi)
fdf4a1f5 UH	148	{
ab4bb6eb UH	149	struct dev_context *devc;
	150	int ret;
	151
	152	devc = sdi->priv;
	153
	154	/* Select interface A, otherwise communication will fail. */
	155	ret = ftdi_set_interface(devc->ftdic, INTERFACE_A);
	156	if (ret < 0) {
	157	sr_err("Failed to set FTDI interface A (%d): %s", ret,
	158	ftdi_get_error_string(devc->ftdic));
	159	return SR_ERR;
	160	}
	161	sr_dbg("FTDI chip interface A set successfully.");
	162
	163	/* Open the device. */
	164	ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, USB_DEVICE_ID,
	165	USB_IPRODUCT, NULL);
	166	if (ret < 0) {
	167	sr_err("Failed to open device (%d): %s", ret,
	168	ftdi_get_error_string(devc->ftdic));
	169	return SR_ERR;
	170	}
	171	sr_dbg("FTDI device opened successfully.");
	172
	173	/* Purge RX/TX buffers in the FTDI chip. */
	174	if ((ret = ftdi_usb_purge_buffers(devc->ftdic)) < 0) {
	175	sr_err("Failed to purge FTDI RX/TX buffers (%d): %s.",
	176	ret, ftdi_get_error_string(devc->ftdic));
	177	goto err_dev_open_close_ftdic;
	178	}
	179	sr_dbg("FTDI chip buffers purged successfully.");
	180
	181	/* Reset the FTDI bitmode. */
	182	ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_RESET);
	183	if (ret < 0) {
	184	sr_err("Failed to reset the FTDI chip bitmode (%d): %s.",
	185	ret, ftdi_get_error_string(devc->ftdic));
	186	goto err_dev_open_close_ftdic;
	187	}
	188	sr_dbg("FTDI chip bitmode reset successfully.");
	189
	190	/* Set FTDI bitmode to "sync FIFO". */
	191	ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_SYNCFF);
	192	if (ret < 0) {
	193	sr_err("Failed to put FTDI chip into sync FIFO mode (%d): %s.",
	194	ret, ftdi_get_error_string(devc->ftdic));
	195	goto err_dev_open_close_ftdic;
	196	}
	197	sr_dbg("FTDI chip sync FIFO mode entered successfully.");
	198
	199	/* Set the FTDI latency timer to 2. */
	200	ret = ftdi_set_latency_timer(devc->ftdic, 2);
	201	if (ret < 0) {
	202	sr_err("Failed to set FTDI latency timer (%d): %s.",
	203	ret, ftdi_get_error_string(devc->ftdic));
	204	goto err_dev_open_close_ftdic;
	205	}
	206	sr_dbg("FTDI chip latency timer set successfully.");
	207
	208	/* Set the FTDI read data chunk size to 64kB. */
	209	ret = ftdi_read_data_set_chunksize(devc->ftdic, 64 * 1024);
	210	if (ret < 0) {
	211	sr_err("Failed to set FTDI read data chunk size (%d): %s.",
	212	ret, ftdi_get_error_string(devc->ftdic));
213	goto err_dev_open_close_ftdic;
214	}
215	sr_dbg("FTDI chip read data chunk size set successfully.");
216
217	/* Get the ScanaPLUS device ID from the FTDI EEPROM. */
218	if ((ret = scanaplus_get_device_id(devc)) < 0) {
219	sr_err("Failed to get ScanaPLUS device ID: %d.", ret);
220	goto err_dev_open_close_ftdic;
221	}
222	sr_dbg("Received ScanaPLUS device ID successfully: %02x %02x %02x.",
223	devc->devid[0], devc->devid[1], devc->devid[2]);
fdf4a1f5 UH	224
	225	sdi->status = SR_ST_ACTIVE;
	226
	227	return SR_OK;
ab4bb6eb UH	228
	229	err_dev_open_close_ftdic:
	230	scanaplus_close(devc);
	231	return SR_ERR;
fdf4a1f5 UH	232	}
	233
	234	static int dev_close(struct sr_dev_inst *sdi)
	235	{
ab4bb6eb UH	236	int ret;
	237	struct dev_context *devc;
	238
	239	ret = SR_OK;
	240	devc = sdi->priv;
	241
	242	if (sdi->status == SR_ST_ACTIVE) {
	243	sr_dbg("Status ACTIVE, closing device.");
	244	ret = scanaplus_close(devc);
	245	} else {
	246	sr_spew("Status not ACTIVE, nothing to do.");
	247	}
fdf4a1f5 UH	248
	249	sdi->status = SR_ST_INACTIVE;
	250
ab4bb6eb	251	return ret;
fdf4a1f5 UH	252	}
fdf4a1f5 UH	253
584560f1	254	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	255	const struct sr_channel_group *cg)
fdf4a1f5	256	{
fdf4a1f5	257	(void)sdi;
53b4680f	258	(void)cg;
fdf4a1f5	259
584560f1	260	switch (key) {
ab4bb6eb UH	261	case SR_CONF_SAMPLERATE:
	262	/* The ScanaPLUS samplerate is 100MHz and can't be changed. */
	263	*data = g_variant_new_uint64(SR_MHZ(100));
	264	break;
fdf4a1f5 UH	265	default:
	266	return SR_ERR_NA;
	267	}
	268
ab4bb6eb	269	return SR_OK;
fdf4a1f5 UH	270	}
fdf4a1f5 UH	271
584560f1	272	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
53b4680f	273	const struct sr_channel_group *cg)
fdf4a1f5	274	{
ab4bb6eb	275	struct dev_context *devc;
fdf4a1f5	276
53b4680f	277	(void)cg;
d3c74a6f	278
fdf4a1f5 UH	279	if (sdi->status != SR_ST_ACTIVE)
	280	return SR_ERR_DEV_CLOSED;
	281
ab4bb6eb UH	282	devc = sdi->priv;
ab4bb6eb UH	283
584560f1	284	switch (key) {
ab4bb6eb UH	285	case SR_CONF_SAMPLERATE:
	286	if (g_variant_get_uint64(data) != SR_MHZ(100)) {
	287	sr_err("ScanaPLUS only supports samplerate = 100MHz.");
	288	return SR_ERR_ARG;
	289	}
	290	/* Nothing to do, the ScanaPLUS samplerate is always 100MHz. */
	291	break;
	292	case SR_CONF_LIMIT_MSEC:
	293	if (g_variant_get_uint64(data) == 0)
	294	return SR_ERR_ARG;
	295	devc->limit_msec = g_variant_get_uint64(data);
	296	break;
	297	case SR_CONF_LIMIT_SAMPLES:
	298	if (g_variant_get_uint64(data) == 0)
	299	return SR_ERR_ARG;
	300	devc->limit_samples = g_variant_get_uint64(data);
	301	break;
fdf4a1f5	302	default:
ab4bb6eb	303	return SR_ERR_NA;
fdf4a1f5 UH	304	}
fdf4a1f5 UH	305
ab4bb6eb	306	return SR_OK;
fdf4a1f5 UH	307	}
fdf4a1f5 UH	308
584560f1	309	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	310	const struct sr_channel_group *cg)
fdf4a1f5	311	{
ab4bb6eb UH	312	GVariant *gvar;
ab4bb6eb UH	313	GVariantBuilder gvb;
fdf4a1f5 UH	314
fdf4a1f5 UH	315	(void)sdi;
53b4680f	316	(void)cg;
fdf4a1f5	317
fdf4a1f5	318	switch (key) {
ab4bb6eb	319	case SR_CONF_DEVICE_OPTIONS:
584560f1	320	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
f254bc4b	321	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
ab4bb6eb UH	322	break;
	323	case SR_CONF_SAMPLERATE:
	324	g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
	325	gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
	326	samplerates, ARRAY_SIZE(samplerates),
	327	sizeof(uint64_t));
	328	g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
	329	*data = g_variant_builder_end(&gvb);
	330	break;
fdf4a1f5 UH	331	default:
	332	return SR_ERR_NA;
	333	}
	334
ab4bb6eb	335	return SR_OK;
fdf4a1f5 UH	336	}
fdf4a1f5 UH	337
695dc859	338	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
fdf4a1f5	339	{
ab4bb6eb UH	340	int ret;
ab4bb6eb UH	341	struct dev_context *devc;
fdf4a1f5 UH	342
	343	if (sdi->status != SR_ST_ACTIVE)
	344	return SR_ERR_DEV_CLOSED;
	345
208c1d35	346	devc = sdi->priv;
ab4bb6eb UH	347
	348	if (!devc->ftdic)
	349	return SR_ERR_BUG;
	350
ba7dd8bb	351	/* TODO: Configure channels later (thresholds etc.). */
ab4bb6eb	352
ab4bb6eb UH	353	/* Properly reset internal variables before every new acquisition. */
	354	devc->compressed_bytes_ignored = 0;
	355	devc->samples_sent = 0;
	356	devc->bytes_received = 0;
	357
	358	if ((ret = scanaplus_init(devc)) < 0)
	359	return ret;
	360
	361	if ((ret = scanaplus_start_acquisition(devc)) < 0)
	362	return ret;
	363
102f1239	364	std_session_send_df_header(sdi, LOG_PREFIX);
ab4bb6eb UH	365
ab4bb6eb UH	366	/* Hook up a dummy handler to receive data from the device. */
c650d3ec	367	sr_session_source_add(sdi->session, -1, 0, 0, scanaplus_receive_data, (void *)sdi);
ab4bb6eb	368
fdf4a1f5 UH	369	return SR_OK;
	370	}
	371
695dc859	372	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
fdf4a1f5	373	{
ab4bb6eb	374	sr_dbg("Stopping acquisition.");
102f1239	375	sr_session_source_remove(sdi->session, -1);
3be42bc2	376	std_session_send_df_end(sdi, LOG_PREFIX);
fdf4a1f5 UH	377
	378	return SR_OK;
	379	}
	380
	381	SR_PRIV struct sr_dev_driver ikalogic_scanaplus_driver_info = {
	382	.name = "ikalogic-scanaplus",
ce95428c	383	.longname = "IKALOGIC ScanaPLUS",
fdf4a1f5	384	.api_version = 1,
c2fdcc25	385	.init = std_init,
700d6b64	386	.cleanup = std_cleanup,
fdf4a1f5	387	.scan = scan,
c01bf34c	388	.dev_list = std_dev_list,
fdf4a1f5 UH	389	.dev_clear = dev_clear,
	390	.config_get = config_get,
	391	.config_set = config_set,
	392	.config_list = config_list,
	393	.dev_open = dev_open,
	394	.dev_close = dev_close,
	395	.dev_acquisition_start = dev_acquisition_start,
	396	.dev_acquisition_stop = dev_acquisition_stop,
41812aca	397	.context = NULL,
fdf4a1f5	398	};