X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fasix-sigma%2Fasix-sigma.h;h=1a8ad43b48d6481fe6a9bbcc58c8bf1b71ce1ce2;hb=8be8746951e5538147370d9871a4c1ed0268db52;hp=af5692756a87e1f530219fe47e8c4cf872902037;hpb=edca2c5c2261ef4d6862d97e6d28d5a1c148a2f1;p=libsigrok.git

diff --git a/hardware/asix-sigma/asix-sigma.h b/hardware/asix-sigma/asix-sigma.h
index af569275..1a8ad43b 100644
--- a/hardware/asix-sigma/asix-sigma.h
+++ b/hardware/asix-sigma/asix-sigma.h
@@ -19,8 +19,17 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef ASIX_SIGMA_H
-#define ASIX_SIGMA_H
+#ifndef LIBSIGROK_HARDWARE_ASIX_SIGMA_ASIX_SIGMA_H
+#define LIBSIGROK_HARDWARE_ASIX_SIGMA_ASIX_SIGMA_H
+
+/* Message logging helpers with driver-specific prefix string. */
+#define DRIVER_LOG_DOMAIN "asix-sigma: "
+#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
+#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
+#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
+#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
+#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
+#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
 
 enum sigma_write_register {
 	WRITE_CLOCK_SELECT	= 0,
@@ -65,6 +74,9 @@ enum sigma_read_register {
 #define REG_DRAM_BLOCK_BEGIN	(8 << 4)
 #define REG_DRAM_BLOCK_DATA	(10 << 4)
 
+#define LEDSEL0			6
+#define LEDSEL1			7
+
 #define NEXT_REG		1
 
 #define EVENTS_PER_CLUSTER	7
@@ -77,4 +89,114 @@ struct clockselect_50 {
 	uint16_t disabled_probes;
 };
 
+/* 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 probes 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;
+
+	uint32_t stoppos, triggerpos;
+	uint16_t lastts;
+	uint16_t lastsample;
+
+	int triggerchunk;
+	int chunks_downloaded;
+};
+
+/* 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_probes;
+	int samples_per_event;
+	int capture_ratio;
+	struct sigma_trigger trigger;
+	int use_triggers;
+	struct sigma_state state;
+	void *session_dev_id;
+};
+
 #endif