Index: head/sys/arm64/rockchip/rk805.c =================================================================== --- head/sys/arm64/rockchip/rk805.c (revision 356485) +++ head/sys/arm64/rockchip/rk805.c (revision 356486) @@ -1,678 +1,695 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2018 Emmanuel Vadot * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include "regdev_if.h" MALLOC_DEFINE(M_RK805_REG, "RK805 regulator", "RK805 power regulator"); /* #define dprintf(sc, format, arg...) device_printf(sc->base_dev, "%s: " format, __func__, arg) */ #define dprintf(sc, format, arg...) enum rk_pmic_type { RK805 = 1, RK808, }; static struct ofw_compat_data compat_data[] = { {"rockchip,rk805", RK805}, {"rockchip,rk808", RK808}, {NULL, 0} }; struct rk805_regdef { intptr_t id; char *name; uint8_t enable_reg; uint8_t enable_mask; uint8_t voltage_reg; uint8_t voltage_mask; int voltage_min; int voltage_max; int voltage_step; int voltage_nstep; }; struct rk805_reg_sc { struct regnode *regnode; device_t base_dev; struct rk805_regdef *def; phandle_t xref; struct regnode_std_param *param; }; struct rk805_softc { device_t dev; struct mtx mtx; struct resource * res[1]; void * intrcookie; struct intr_config_hook intr_hook; enum rk_pmic_type type; struct rk805_reg_sc **regs; int nregs; }; static struct rk805_regdef rk805_regdefs[] = { { .id = RK805_DCDC1, .name = "DCDC_REG1", .enable_reg = RK805_DCDC_EN, .enable_mask = 0x11, .voltage_reg = RK805_DCDC1_ON_VSEL, .voltage_mask = 0x3F, .voltage_min = 712500, .voltage_max = 1450000, .voltage_step = 12500, .voltage_nstep = 64, }, { .id = RK805_DCDC2, .name = "DCDC_REG2", .enable_reg = RK805_DCDC_EN, .enable_mask = 0x22, .voltage_reg = RK805_DCDC2_ON_VSEL, .voltage_mask = 0x3F, .voltage_min = 712500, .voltage_max = 1450000, .voltage_step = 12500, .voltage_nstep = 64, }, { .id = RK805_DCDC3, .name = "DCDC_REG3", .enable_reg = RK805_DCDC_EN, .enable_mask = 0x44, }, { .id = RK805_DCDC4, .name = "DCDC_REG4", .enable_reg = RK805_DCDC_EN, .enable_mask = 0x88, .voltage_reg = RK805_DCDC4_ON_VSEL, .voltage_mask = 0x3F, .voltage_min = 800000, .voltage_max = 3500000, .voltage_step = 100000, .voltage_nstep = 28, }, { .id = RK805_LDO1, .name = "LDO_REG1", .enable_reg = RK805_LDO_EN, .enable_mask = 0x11, .voltage_reg = RK805_LDO1_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 800000, .voltage_max = 3400000, .voltage_step = 100000, .voltage_nstep = 27, }, { .id = RK805_LDO2, .name = "LDO_REG2", .enable_reg = RK805_LDO_EN, .enable_mask = 0x22, .voltage_reg = RK805_LDO2_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 800000, .voltage_max = 3400000, .voltage_step = 100000, .voltage_nstep = 27, }, { .id = RK805_LDO3, .name = "LDO_REG3", .enable_reg = RK805_LDO_EN, .enable_mask = 0x44, .voltage_reg = RK805_LDO3_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 800000, .voltage_max = 3400000, .voltage_step = 100000, .voltage_nstep = 27, }, }; static struct rk805_regdef rk808_regdefs[] = { { .id = RK805_DCDC1, .name = "DCDC_REG1", .enable_reg = RK805_DCDC_EN, .enable_mask = 0x1, .voltage_reg = RK805_DCDC1_ON_VSEL, .voltage_mask = 0x3F, .voltage_min = 712500, .voltage_max = 1500000, .voltage_step = 12500, .voltage_nstep = 64, }, { .id = RK805_DCDC2, .name = "DCDC_REG2", .enable_reg = RK805_DCDC_EN, .enable_mask = 0x2, .voltage_reg = RK805_DCDC2_ON_VSEL, .voltage_mask = 0x3F, .voltage_min = 712500, .voltage_max = 1500000, .voltage_step = 12500, .voltage_nstep = 64, }, { /* BUCK3 voltage is calculated based on external resistor */ .id = RK805_DCDC3, .name = "DCDC_REG3", .enable_reg = RK805_DCDC_EN, .enable_mask = 0x4, }, { .id = RK805_DCDC4, .name = "DCDC_REG4", .enable_reg = RK805_DCDC_EN, .enable_mask = 0x8, .voltage_reg = RK805_DCDC4_ON_VSEL, .voltage_mask = 0xF, .voltage_min = 1800000, .voltage_max = 3300000, .voltage_step = 100000, .voltage_nstep = 16, }, { .id = RK808_LDO1, .name = "LDO_REG1", .enable_reg = RK808_LDO_EN, .enable_mask = 0x1, .voltage_reg = RK805_LDO1_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 1800000, .voltage_max = 3400000, .voltage_step = 100000, .voltage_nstep = 17, }, { .id = RK808_LDO2, .name = "LDO_REG2", .enable_reg = RK808_LDO_EN, .enable_mask = 0x2, .voltage_reg = RK805_LDO2_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 1800000, .voltage_max = 3400000, .voltage_step = 100000, .voltage_nstep = 17, }, { .id = RK808_LDO3, .name = "LDO_REG3", .enable_reg = RK808_LDO_EN, .enable_mask = 0x4, .voltage_reg = RK805_LDO3_ON_VSEL, .voltage_mask = 0xF, .voltage_min = 800000, .voltage_max = 2500000, .voltage_step = 100000, .voltage_nstep = 18, }, { .id = RK808_LDO4, .name = "LDO_REG4", .enable_reg = RK808_LDO_EN, .enable_mask = 0x8, .voltage_reg = RK808_LDO4_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 1800000, .voltage_max = 3400000, .voltage_step = 100000, .voltage_nstep = 17, }, { .id = RK808_LDO5, .name = "LDO_REG5", .enable_reg = RK808_LDO_EN, .enable_mask = 0x10, .voltage_reg = RK808_LDO5_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 1800000, .voltage_max = 3400000, .voltage_step = 100000, .voltage_nstep = 17, }, { .id = RK808_LDO6, .name = "LDO_REG6", .enable_reg = RK808_LDO_EN, .enable_mask = 0x20, .voltage_reg = RK808_LDO6_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 800000, .voltage_max = 2500000, .voltage_step = 100000, .voltage_nstep = 18, }, { .id = RK808_LDO7, .name = "LDO_REG7", .enable_reg = RK808_LDO_EN, .enable_mask = 0x40, .voltage_reg = RK808_LDO7_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 800000, .voltage_max = 2500000, .voltage_step = 100000, .voltage_nstep = 18, }, { .id = RK808_LDO8, .name = "LDO_REG8", .enable_reg = RK808_LDO_EN, .enable_mask = 0x80, .voltage_reg = RK808_LDO8_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 1800000, .voltage_max = 3400000, .voltage_step = 100000, .voltage_nstep = 17, }, { .id = RK808_SWITCH1, .name = "SWITCH_REG1", .enable_reg = RK805_DCDC_EN, .enable_mask = 0x20, .voltage_min = 3000000, .voltage_max = 3000000, }, { .id = RK808_SWITCH2, .name = "SWITCH_REG2", .enable_reg = RK805_DCDC_EN, .enable_mask = 0x40, .voltage_min = 3000000, .voltage_max = 3000000, }, }; static int rk805_read(device_t dev, uint8_t reg, uint8_t *data, uint8_t size) { int err; err = iicdev_readfrom(dev, reg, data, size, IIC_INTRWAIT); return (err); } static int rk805_write(device_t dev, uint8_t reg, uint8_t data) { return (iicdev_writeto(dev, reg, &data, 1, IIC_INTRWAIT)); } static int rk805_regnode_init(struct regnode *regnode) { return (0); } static int rk805_regnode_enable(struct regnode *regnode, bool enable, int *udelay) { struct rk805_reg_sc *sc; uint8_t val; sc = regnode_get_softc(regnode); dprintf(sc, "%sabling regulator %s\n", enable ? "En" : "Dis", sc->def->name); rk805_read(sc->base_dev, sc->def->enable_reg, &val, 1); if (enable) val |= sc->def->enable_mask; else val &= ~sc->def->enable_mask; rk805_write(sc->base_dev, sc->def->enable_reg, val); *udelay = 0; return (0); } static void rk805_regnode_reg_to_voltage(struct rk805_reg_sc *sc, uint8_t val, int *uv) { if (val < sc->def->voltage_nstep) *uv = sc->def->voltage_min + val * sc->def->voltage_step; else *uv = sc->def->voltage_min + (sc->def->voltage_nstep * sc->def->voltage_step); } static int rk805_regnode_voltage_to_reg(struct rk805_reg_sc *sc, int min_uvolt, int max_uvolt, uint8_t *val) { uint8_t nval; int nstep, uvolt; nval = 0; uvolt = sc->def->voltage_min; for (nstep = 0; nstep < sc->def->voltage_nstep && uvolt < min_uvolt; nstep++) { ++nval; uvolt += sc->def->voltage_step; } if (uvolt > max_uvolt) return (EINVAL); *val = nval; return (0); } static int +rk805_regnode_status(struct regnode *regnode, int *status) +{ + struct rk805_reg_sc *sc; + uint8_t val; + + sc = regnode_get_softc(regnode); + + *status = 0; + rk805_read(sc->base_dev, sc->def->enable_reg, &val, 1); + if (val & sc->def->enable_mask) + *status = REGULATOR_STATUS_ENABLED; + + return (0); +} + +static int rk805_regnode_set_voltage(struct regnode *regnode, int min_uvolt, int max_uvolt, int *udelay) { struct rk805_reg_sc *sc; uint8_t val; int uvolt; sc = regnode_get_softc(regnode); if (!sc->def->voltage_step) return (ENXIO); dprintf(sc, "Setting %s to %d<->%d uvolts\n", sc->def->name, min_uvolt, max_uvolt); rk805_read(sc->base_dev, sc->def->voltage_reg, &val, 1); if (rk805_regnode_voltage_to_reg(sc, min_uvolt, max_uvolt, &val) != 0) return (ERANGE); rk805_write(sc->base_dev, sc->def->voltage_reg, val); rk805_read(sc->base_dev, sc->def->voltage_reg, &val, 1); *udelay = 0; rk805_regnode_reg_to_voltage(sc, val, &uvolt); dprintf(sc, "Regulator %s set to %d uvolt\n", sc->def->name, uvolt); return (0); } static int rk805_regnode_get_voltage(struct regnode *regnode, int *uvolt) { struct rk805_reg_sc *sc; uint8_t val; sc = regnode_get_softc(regnode); if (sc->def->voltage_min == sc->def->voltage_max) { *uvolt = sc->def->voltage_min; return (0); } if (!sc->def->voltage_step) return (ENXIO); rk805_read(sc->base_dev, sc->def->voltage_reg, &val, 1); rk805_regnode_reg_to_voltage(sc, val & sc->def->voltage_mask, uvolt); dprintf(sc, "Regulator %s is at %d uvolt\n", sc->def->name, *uvolt); return (0); } static regnode_method_t rk805_regnode_methods[] = { /* Regulator interface */ REGNODEMETHOD(regnode_init, rk805_regnode_init), REGNODEMETHOD(regnode_enable, rk805_regnode_enable), + REGNODEMETHOD(regnode_status, rk805_regnode_status), REGNODEMETHOD(regnode_set_voltage, rk805_regnode_set_voltage), REGNODEMETHOD(regnode_get_voltage, rk805_regnode_get_voltage), REGNODEMETHOD(regnode_check_voltage, regnode_method_check_voltage), REGNODEMETHOD_END }; DEFINE_CLASS_1(rk805_regnode, rk805_regnode_class, rk805_regnode_methods, sizeof(struct rk805_reg_sc), regnode_class); static struct rk805_reg_sc * rk805_reg_attach(device_t dev, phandle_t node, struct rk805_regdef *def) { struct rk805_reg_sc *reg_sc; struct regnode_init_def initdef; struct regnode *regnode; memset(&initdef, 0, sizeof(initdef)); if (regulator_parse_ofw_stdparam(dev, node, &initdef) != 0) { device_printf(dev, "cannot create regulator\n"); return (NULL); } if (initdef.std_param.min_uvolt == 0) initdef.std_param.min_uvolt = def->voltage_min; if (initdef.std_param.max_uvolt == 0) initdef.std_param.max_uvolt = def->voltage_max; initdef.id = def->id; initdef.ofw_node = node; regnode = regnode_create(dev, &rk805_regnode_class, &initdef); if (regnode == NULL) { device_printf(dev, "cannot create regulator\n"); return (NULL); } reg_sc = regnode_get_softc(regnode); reg_sc->regnode = regnode; reg_sc->base_dev = dev; reg_sc->def = def; reg_sc->xref = OF_xref_from_node(node); reg_sc->param = regnode_get_stdparam(regnode); regnode_register(regnode); return (reg_sc); } static int rk805_probe(device_t dev) { if (!ofw_bus_status_okay(dev)) return (ENXIO); if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0) return (ENXIO); device_set_desc(dev, "RockChip RK805 PMIC"); return (BUS_PROBE_DEFAULT); } static void rk805_start(void *pdev) { struct rk805_softc *sc; device_t dev; uint8_t data[2]; int err; dev = pdev; sc = device_get_softc(dev); sc->dev = dev; /* No version register in RK808 */ if (bootverbose && sc->type == RK805) { err = rk805_read(dev, RK805_CHIP_NAME, data, 1); if (err != 0) { device_printf(dev, "Cannot read chip name reg\n"); return; } err = rk805_read(dev, RK805_CHIP_VER, data + 1, 1); if (err != 0) { device_printf(dev, "Cannot read chip version reg\n"); return; } device_printf(dev, "Chip Name: %x\n", data[0] << 4 | ((data[1] >> 4) & 0xf)); device_printf(dev, "Chip Version: %x\n", data[1] & 0xf); } config_intrhook_disestablish(&sc->intr_hook); } static int rk805_attach(device_t dev) { struct rk805_softc *sc; struct rk805_reg_sc *reg; struct rk805_regdef *regdefs; phandle_t rnode, child; int i; sc = device_get_softc(dev); sc->intr_hook.ich_func = rk805_start; sc->intr_hook.ich_arg = dev; if (config_intrhook_establish(&sc->intr_hook) != 0) return (ENOMEM); sc->type = ofw_bus_search_compatible(dev, compat_data)->ocd_data; switch (sc->type) { case RK805: regdefs = rk805_regdefs; sc->nregs = nitems(rk805_regdefs); break; case RK808: regdefs = rk808_regdefs; sc->nregs = nitems(rk808_regdefs); break; default: device_printf(dev, "Unknown type %d\n", sc->type); return (ENXIO); } sc->regs = malloc(sizeof(struct rk805_reg_sc *) * sc->nregs, M_RK805_REG, M_WAITOK | M_ZERO); rnode = ofw_bus_find_child(ofw_bus_get_node(dev), "regulators"); if (rnode > 0) { for (i = 0; i < sc->nregs; i++) { child = ofw_bus_find_child(rnode, regdefs[i].name); if (child == 0) continue; reg = rk805_reg_attach(dev, child, ®defs[i]); if (reg == NULL) { device_printf(dev, "cannot attach regulator %s\n", regdefs[i].name); continue; } sc->regs[i] = reg; if (bootverbose) device_printf(dev, "Regulator %s attached\n", regdefs[i].name); } } return (0); } static int rk805_detach(device_t dev) { /* We cannot detach regulators */ return (EBUSY); } static int rk805_map(device_t dev, phandle_t xref, int ncells, pcell_t *cells, intptr_t *id) { struct rk805_softc *sc; int i; sc = device_get_softc(dev); for (i = 0; i < sc->nregs; i++) { if (sc->regs[i]->xref == xref) { *id = sc->regs[i]->def->id; return (0); } } return (ERANGE); } static device_method_t rk805_methods[] = { DEVMETHOD(device_probe, rk805_probe), DEVMETHOD(device_attach, rk805_attach), DEVMETHOD(device_detach, rk805_detach), /* regdev interface */ DEVMETHOD(regdev_map, rk805_map), DEVMETHOD_END }; static driver_t rk805_driver = { "rk805_pmu", rk805_methods, sizeof(struct rk805_softc), }; static devclass_t rk805_devclass; EARLY_DRIVER_MODULE(rk805, iicbus, rk805_driver, rk805_devclass, 0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LAST); MODULE_DEPEND(rk805, iicbus, IICBUS_MINVER, IICBUS_PREFVER, IICBUS_MAXVER); MODULE_VERSION(rk805, 1);