diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2018-05-27 21:59:27 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2018-05-27 21:59:27 +0000 |
| commit | f188d028e6a72d1d494f4645b70a500cb6d8d879 (patch) | |
| tree | b6f937904badc0384db78456ce94c4b61c95560a /sys/dev/fdt/sxitemp.c | |
| parent | 0a871f749d47c1d979baa177c176ecfb524f3cba (diff) | |
Add Allwinner A64 support.
Diffstat (limited to 'sys/dev/fdt/sxitemp.c')
| -rw-r--r-- | sys/dev/fdt/sxitemp.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/sys/dev/fdt/sxitemp.c b/sys/dev/fdt/sxitemp.c index ce3686e6220..c3ebd4e2e1c 100644 --- a/sys/dev/fdt/sxitemp.c +++ b/sys/dev/fdt/sxitemp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sxitemp.c,v 1.3 2018/05/27 19:44:25 kettenis Exp $ */ +/* $OpenBSD: sxitemp.c,v 1.4 2018/05/27 21:59:26 kettenis Exp $ */ /* * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org> * @@ -35,6 +35,7 @@ #define THS_CTRL0_SENSOR_ACQ(x) ((x) & 0xffff) #define THS_CTRL2 0x0040 #define THS_CTRL2_ADC_ACQ(x) (((x) & 0xffff) << 16) +#define THS_CTRL2_SENSE2_EN (1 << 2) #define THS_CTRL2_SENSE1_EN (1 << 1) #define THS_CTRL2_SENSE0_EN (1 << 0) #define THS_INT_CTRL 0x0044 @@ -44,6 +45,7 @@ #define THS_FILTER_TYPE(x) ((x) & 0x3) #define THS0_DATA 0x0080 #define THS1_DATA 0x0084 +#define THS2_DATA 0x0088 #define HREAD4(sc, reg) \ (bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (reg))) @@ -57,8 +59,9 @@ struct sxitemp_softc { uint64_t (*sc_calc_temp0)(int64_t); uint64_t (*sc_calc_temp1)(int64_t); + uint64_t (*sc_calc_temp2)(int64_t); - struct ksensor sc_sensors[2]; + struct ksensor sc_sensors[3]; struct ksensordev sc_sensordev; }; @@ -75,6 +78,7 @@ struct cfdriver sxitemp_cd = { uint64_t sxitemp_h3_calc_temp(int64_t); uint64_t sxitemp_r40_calc_temp(int64_t); +uint64_t sxitemp_a64_calc_temp(int64_t); uint64_t sxitemp_h5_calc_temp0(int64_t); uint64_t sxitemp_h5_calc_temp1(int64_t); void sxitemp_refresh_sensors(void *); @@ -86,6 +90,7 @@ sxitemp_match(struct device *parent, void *match, void *aux) return (OF_is_compatible(faa->fa_node, "allwinner,sun8i-h3-ths") || OF_is_compatible(faa->fa_node, "allwinner,sun8i-r40-ths") || + OF_is_compatible(faa->fa_node, "allwinner,sun50i-a64-ths") || OF_is_compatible(faa->fa_node, "allwinner,sun50i-h5-ths")); } @@ -123,6 +128,12 @@ sxitemp_attach(struct device *parent, struct device *self, void *aux) sc->sc_calc_temp0 = sxitemp_r40_calc_temp; sc->sc_calc_temp1 = sxitemp_r40_calc_temp; enable = THS_CTRL2_SENSE0_EN | THS_CTRL2_SENSE1_EN; + } else if (OF_is_compatible(faa->fa_node, "allwinner,sun50i-a64-ths")) { + sc->sc_calc_temp0 = sxitemp_a64_calc_temp; + sc->sc_calc_temp1 = sxitemp_a64_calc_temp; + sc->sc_calc_temp2 = sxitemp_a64_calc_temp; + enable = THS_CTRL2_SENSE0_EN | THS_CTRL2_SENSE1_EN | + THS_CTRL2_SENSE2_EN; } else { sc->sc_calc_temp0 = sxitemp_h5_calc_temp0; sc->sc_calc_temp1 = sxitemp_h5_calc_temp1; @@ -152,6 +163,13 @@ sxitemp_attach(struct device *parent, struct device *self, void *aux) sc->sc_sensors[1].flags = SENSOR_FINVALID; sensor_attach(&sc->sc_sensordev, &sc->sc_sensors[1]); } + if (sc->sc_calc_temp2) { + strlcpy(sc->sc_sensors[2].desc, "", + sizeof(sc->sc_sensors[2].desc)); + sc->sc_sensors[2].type = SENSOR_TEMP; + sc->sc_sensors[2].flags = SENSOR_FINVALID; + sensor_attach(&sc->sc_sensordev, &sc->sc_sensors[2]); + } sensordev_install(&sc->sc_sensordev); sensor_task_register(sc, sxitemp_refresh_sensors, 5); } @@ -171,6 +189,13 @@ sxitemp_r40_calc_temp(int64_t data) } uint64_t +sxitemp_a64_calc_temp(int64_t data) +{ + /* From BSP as the A64 User Manual isn't correct. */ + return (2170000000000 - data * 1000000000) / 8560; +} + +uint64_t sxitemp_h5_calc_temp0(int64_t data) { if (data > 0x500) @@ -205,4 +230,10 @@ sxitemp_refresh_sensors(void *arg) sc->sc_sensors[1].value = sc->sc_calc_temp1(data) + 273150000; sc->sc_sensors[1].flags &= ~SENSOR_FINVALID; } + + if (sc->sc_calc_temp2) { + data = HREAD4(sc, THS2_DATA); + sc->sc_sensors[2].value = sc->sc_calc_temp2(data) + 273150000; + sc->sc_sensors[2].flags &= ~SENSOR_FINVALID; + } } |