Sigma: 50 MHZ falling/rising edge trigger support.

[libsigrok.git] / hardware / asix-sigma / asix-sigma.h

diff --git a/hardware/asix-sigma/asix-sigma.h b/hardware/asix-sigma/asix-sigma.h
index a0497a6ffa2b7a04b6a6c4a53e5321435355a3cb..1320acec39eefdc1241abb2bdc8ba2c2b568ff7f 100644 (file)
--- a/hardware/asix-sigma/asix-sigma.h
+++ b/hardware/asix-sigma/asix-sigma.h
@@ -22,8 +22,7 @@
 #ifndef ASIX_SIGMA_H
 #define ASIX_SIGMA_H
 
-enum sigma_write_register
-{
+enum sigma_write_register {
        WRITE_CLOCK_SELECT      = 0,
        WRITE_TRIGGER_SELECT0   = 1,
        WRITE_TRIGGER_SELECT1   = 2,
@@ -33,11 +32,10 @@ enum sigma_write_register
        WRITE_TRIGGER_OPTION    = 6,
        WRITE_PIN_VIEW          = 7,
 
-       WRITE_TEST              = 15
+       WRITE_TEST              = 15,
 };
 
-enum sigma_read_register
-{
+enum sigma_read_register {
        READ_ID                 = 0,
        READ_TRIGGER_POS_LOW    = 1,
        READ_TRIGGER_POS_HIGH   = 2,
@@ -52,7 +50,7 @@ enum sigma_read_register
        READ_BLOCK_LAST_TS_HIGH = 11,
        READ_PIN_VIEW           = 12,
 
-       READ_TEST               = 15
+       READ_TEST               = 15,
 };
 
 #define REG_ADDR_LOW           (0 << 4)
@@ -67,10 +65,100 @@ 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
 
 #define CHUNK_SIZE             1024
 
+struct clockselect_50 {
+       uint8_t async;
+       uint8_t fraction;
+       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 {
+       /* Single-pin trigger support (100 and 200 MHz).*/
+       uint8_t fast_pin;
+       uint8_t fast_fall;
+
+       /* Simple trigger support (<= 50 MHz). */
+       uint16_t simplemask;
+       uint16_t simplevalue;
+
+       /* Only two probes can be used in mask */
+       uint16_t risingmask;
+       uint16_t fallingmask;
+
+       /* 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,
+};
+
 #endif