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Diffstat (limited to 'sys/arm64/rockchip/rk_tsadc.c')
-rw-r--r--sys/arm64/rockchip/rk_tsadc.c147
1 files changed, 117 insertions, 30 deletions
diff --git a/sys/arm64/rockchip/rk_tsadc.c b/sys/arm64/rockchip/rk_tsadc.c
index 54e6dabdfb8c..a8a64b69d7d3 100644
--- a/sys/arm64/rockchip/rk_tsadc.c
+++ b/sys/arm64/rockchip/rk_tsadc.c
@@ -1,5 +1,5 @@
/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ * SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2019 Michal Meloun <mmel@FreeBSD.org>
*
@@ -26,8 +26,6 @@
*/
#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
/*
* Thermometer and thermal zones driver for RockChip SoCs.
* Calibration data are taken from Linux, because this part of SoC
@@ -46,15 +44,20 @@ __FBSDID("$FreeBSD$");
#include <machine/bus.h>
-#include <dev/extres/clk/clk.h>
-#include <dev/extres/hwreset/hwreset.h>
-#include <dev/extres/syscon/syscon.h>
+#include <dev/clk/clk.h>
+#include <dev/hwreset/hwreset.h>
+#include <dev/syscon/syscon.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include "syscon_if.h"
#include "rk_tsadc_if.h"
+/* Version of HW */
+#define TSADC_V2 1
+#define TSADC_V3 2
+#define TSADC_V7 3
+
/* Global registers */
#define TSADC_USER_CON 0x000
#define TSADC_AUTO_CON 0x004
@@ -78,7 +81,7 @@ __FBSDID("$FreeBSD$");
#define TSADC_COMP0_LOW_INT 0x080 /* V3 only */
#define TSADC_COMP1_LOW_INT 0x084 /* V3 only */
-/* GFR Bits */
+/* V3 GFR registers */
#define GRF_SARADC_TESTBIT 0x0e644
#define GRF_SARADC_TESTBIT_ON (0x10001 << 2)
#define GRF_TSADC_TESTBIT_L 0x0e648
@@ -87,6 +90,13 @@ __FBSDID("$FreeBSD$");
#define GRF_TSADC_VCM_EN_H (0x10001 << 7)
#define GRF_TSADC_TESTBIT_H_ON (0x10001 << 2)
+/* V7 GRF register */
+#define GRF_TSADC_CON 0x0600
+#define GRF_TSADC_ANA_REG0 (0x10001 << 0)
+#define GRF_TSADC_ANA_REG1 (0x10001 << 1)
+#define GRF_TSADC_ANA_REG2 (0x10001 << 2)
+#define GRF_TSADC_TSEN (0x10001 << 8)
+
#define WR4(_sc, _r, _v) bus_write_4((_sc)->mem_res, (_r), (_v))
#define RD4(_sc, _r) bus_read_4((_sc)->mem_res, (_r))
@@ -109,7 +119,7 @@ struct tsadc_calib_info {
};
struct tsadc_conf {
- int use_syscon;
+ int version;
int q_sel_ntc;
int shutdown_temp;
int shutdown_mode;
@@ -127,7 +137,7 @@ struct tsadc_softc {
clk_t tsadc_clk;
clk_t apb_pclk_clk;
- hwreset_t hwreset;
+ hwreset_array_t hwreset;
struct syscon *grf;
struct tsadc_conf *conf;
@@ -183,7 +193,7 @@ struct tsensor rk3288_tsensors[] = {
};
struct tsadc_conf rk3288_tsadc_conf = {
- .use_syscon = 0,
+ .version = TSADC_V2,
.q_sel_ntc = 0,
.shutdown_temp = 95000,
.shutdown_mode = 1, /* GPIO */
@@ -237,7 +247,7 @@ static struct tsensor rk3328_tsensors[] = {
};
static struct tsadc_conf rk3328_tsadc_conf = {
- .use_syscon = 0,
+ .version = TSADC_V2,
.q_sel_ntc = 1,
.shutdown_temp = 95000,
.shutdown_mode = 0, /* CRU */
@@ -293,7 +303,7 @@ static struct tsensor rk3399_tsensors[] = {
};
static struct tsadc_conf rk3399_tsadc_conf = {
- .use_syscon = 1,
+ .version = TSADC_V3,
.q_sel_ntc = 1,
.shutdown_temp = 95000,
.shutdown_mode = 1, /* GPIO */
@@ -306,10 +316,68 @@ static struct tsadc_conf rk3399_tsadc_conf = {
}
};
+static struct rk_calib_entry rk3568_calib_data[] = {
+ {0, -40000},
+ {1584, -40000},
+ {1620, -35000},
+ {1652, -30000},
+ {1688, -25000},
+ {1720, -20000},
+ {1756, -15000},
+ {1788, -10000},
+ {1824, -5000},
+ {1856, 0},
+ {1892, 5000},
+ {1924, 10000},
+ {1956, 15000},
+ {1992, 20000},
+ {2024, 25000},
+ {2060, 30000},
+ {2092, 35000},
+ {2128, 40000},
+ {2160, 45000},
+ {2196, 50000},
+ {2228, 55000},
+ {2264, 60000},
+ {2300, 65000},
+ {2332, 70000},
+ {2368, 75000},
+ {2400, 80000},
+ {2436, 85000},
+ {2468, 90000},
+ {2500, 95000},
+ {2536, 100000},
+ {2572, 105000},
+ {2604, 110000},
+ {2636, 115000},
+ {2672, 120000},
+ {2704, 125000},
+};
+
+static struct tsensor rk3568_tsensors[] = {
+ { .channel = 0, .id = 0, .name = "CPU"},
+ { .channel = 1, .id = 1, .name = "GPU"},
+};
+
+static struct tsadc_conf rk3568_tsadc_conf = {
+ .version = TSADC_V7,
+ .q_sel_ntc = 1,
+ .shutdown_temp = 95000,
+ .shutdown_mode = 1, /* GPIO */
+ .shutdown_pol = 0, /* Low */
+ .tsensors = rk3568_tsensors,
+ .ntsensors = nitems(rk3568_tsensors),
+ .calib_info = {
+ .table = rk3568_calib_data,
+ .nentries = nitems(rk3568_calib_data),
+ }
+};
+
static struct ofw_compat_data compat_data[] = {
{"rockchip,rk3288-tsadc", (uintptr_t)&rk3288_tsadc_conf},
{"rockchip,rk3328-tsadc", (uintptr_t)&rk3328_tsadc_conf},
{"rockchip,rk3399-tsadc", (uintptr_t)&rk3399_tsadc_conf},
+ {"rockchip,rk3568-tsadc", (uintptr_t)&rk3568_tsadc_conf},
{NULL, 0}
};
@@ -445,13 +513,15 @@ tsadc_init(struct tsadc_softc *sc)
val |= TSADC_AUTO_Q_SEL;
WR4(sc, TSADC_AUTO_CON, val);
- if (!sc->conf->use_syscon) {
+ switch (sc->conf->version) {
+ case TSADC_V2:
/* V2 init */
WR4(sc, TSADC_AUTO_PERIOD, 250); /* 250 ms */
WR4(sc, TSADC_AUTO_PERIOD_HT, 50); /* 50 ms */
WR4(sc, TSADC_HIGHT_INT_DEBOUNCE, 4);
WR4(sc, TSADC_HIGHT_TSHUT_DEBOUNCE, 4);
- } else {
+ break;
+ case TSADC_V3:
/* V3 init */
if (sc->grf == NULL) {
/* Errata: adjust interleave to working value */
@@ -473,6 +543,26 @@ tsadc_init(struct tsadc_softc *sc)
WR4(sc, TSADC_AUTO_PERIOD_HT, 1875); /* 2.5 ms */
WR4(sc, TSADC_HIGHT_INT_DEBOUNCE, 4);
WR4(sc, TSADC_HIGHT_TSHUT_DEBOUNCE, 4);
+ break;
+ case TSADC_V7:
+ /* V7 init */
+ WR4(sc, TSADC_USER_CON, 0xfc0); /* 97us, at least 90us */
+ WR4(sc, TSADC_AUTO_PERIOD, 1622); /* 2.5ms */
+ WR4(sc, TSADC_HIGHT_INT_DEBOUNCE, 4);
+ WR4(sc, TSADC_AUTO_PERIOD_HT, 1622); /* 2.5ms */
+ WR4(sc, TSADC_HIGHT_TSHUT_DEBOUNCE, 4);
+ if (sc->grf) {
+ SYSCON_WRITE_4(sc->grf, GRF_TSADC_CON, GRF_TSADC_TSEN);
+ DELAY(15); /* 10 usec min */
+ SYSCON_WRITE_4(sc->grf, GRF_TSADC_CON,
+ GRF_TSADC_ANA_REG0);
+ SYSCON_WRITE_4(sc->grf, GRF_TSADC_CON,
+ GRF_TSADC_ANA_REG1);
+ SYSCON_WRITE_4(sc->grf, GRF_TSADC_CON,
+ GRF_TSADC_ANA_REG2);
+ DELAY(100); /* 90 usec min */
+ }
+ break;
}
}
@@ -485,13 +575,11 @@ tsadc_read_temp(struct tsadc_softc *sc, struct tsensor *sensor, int *temp)
*temp = tsadc_raw_to_temp(sc, val);
#ifdef DEBUG
- printf("%s: Sensor(id: %d, ch: %d), temp: %d\n", __func__,
- sensor->id, sensor->channel, *temp);
- printf(" status: 0x%08X, 0x%08X\n",
- RD4(sc, TSADC_USER_CON),
- RD4(sc, TSADC_AUTO_CON));
- printf(" Data: 0x%08X, 0x%08X, 0x%08X\n",
- RD4(sc, TSADC_DATA(sensor->channel)),
+ device_printf(sc->dev, "%s: Sensor(id: %d, ch: %d), val: %d temp: %d\n",
+ __func__, sensor->id, sensor->channel, val, *temp);
+ device_printf(sc->dev, "%s: user_con=0x%08x auto_con=0x%08x "
+ "comp_int=0x%08x comp_shut=0x%08x\n",
+ __func__, RD4(sc, TSADC_USER_CON), RD4(sc, TSADC_AUTO_CON),
RD4(sc, TSADC_COMP_INT(sensor->channel)),
RD4(sc, TSADC_COMP_SHUT(sensor->channel)));
#endif
@@ -646,9 +734,9 @@ tsadc_attach(device_t dev)
}
/* FDT resources */
- rv = hwreset_get_by_ofw_name(dev, 0, "tsadc-apb", &sc->hwreset);
+ rv = hwreset_array_get_ofw(dev, 0, &sc->hwreset);
if (rv != 0) {
- device_printf(dev, "Cannot get 'tsadc-apb' reset\n");
+ device_printf(dev, "Cannot get resets\n");
goto fail;
}
rv = clk_get_by_ofw_name(dev, 0, "tsadc", &sc->tsadc_clk);
@@ -685,7 +773,7 @@ tsadc_attach(device_t dev)
sc->shutdown_pol = sc->conf->shutdown_pol;
/* Wakeup controller */
- rv = hwreset_assert(sc->hwreset);
+ rv = hwreset_array_assert(sc->hwreset);
if (rv != 0) {
device_printf(dev, "Cannot assert reset\n");
goto fail;
@@ -708,7 +796,7 @@ tsadc_attach(device_t dev)
device_printf(dev, "Cannot enable 'apb_pclk' clock: %d\n", rv);
goto fail;
}
- rv = hwreset_deassert(sc->hwreset);
+ rv = hwreset_array_deassert(sc->hwreset);
if (rv != 0) {
device_printf(dev, "Cannot deassert reset\n");
goto fail;
@@ -742,7 +830,7 @@ fail:
if (sc->apb_pclk_clk != NULL)
clk_release(sc->apb_pclk_clk);
if (sc->hwreset != NULL)
- hwreset_release(sc->hwreset);
+ hwreset_array_release(sc->hwreset);
if (sc->irq_res != NULL)
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res);
if (sc->mem_res != NULL)
@@ -765,7 +853,7 @@ tsadc_detach(device_t dev)
if (sc->apb_pclk_clk != NULL)
clk_release(sc->apb_pclk_clk);
if (sc->hwreset != NULL)
- hwreset_release(sc->hwreset);
+ hwreset_array_release(sc->hwreset);
if (sc->irq_res != NULL)
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res);
if (sc->mem_res != NULL)
@@ -786,8 +874,7 @@ static device_method_t rk_tsadc_methods[] = {
DEVMETHOD_END
};
-static devclass_t rk_tsadc_devclass;
static DEFINE_CLASS_0(rk_tsadc, rk_tsadc_driver, rk_tsadc_methods,
sizeof(struct tsadc_softc));
-EARLY_DRIVER_MODULE(rk_tsadc, simplebus, rk_tsadc_driver,
- rk_tsadc_devclass, NULL, NULL, BUS_PASS_TIMER + BUS_PASS_ORDER_LAST);
+EARLY_DRIVER_MODULE(rk_tsadc, simplebus, rk_tsadc_driver, NULL, NULL,
+ BUS_PASS_TIMER + BUS_PASS_ORDER_LAST);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 23:08:35 +0000