freebsd-dev/sys/arm64/nvidia/tegra210/max77620.h
Michal Meloun e903478919 ARM64: Port FreeBSD to Nvidia Jetson TX1 and Nano.
Add support for the Tergra210 SoC and its companion PMIC MAX77620.
2020-12-28 14:12:41 +01:00

263 lines
9.2 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright 2020 Michal Meloun <mmel@FreeBSD.org>
*
* 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.
*
* $FreeBSD$
*/
#ifndef _MAX77620_H_
#include <sys/clock.h>
#define MAX77620_REG_CNFGGLBL1 0x00
#define MAX77620_REG_CNFGGLBL2 0x01
#define MAX77620_REG_CNFGGLBL3 0x02
#define MAX77620_REG_CNFG1_32K 0x03
#define MAX77620_REG_CNFGBBC 0x04
#define MAX77620_REG_IRQTOP 0x05
#define MAX77620_REG_INTLBT 0x06
#define MAX77620_REG_IRQSD 0x07
#define MAX77620_REG_IRQ_LVL2_L0_7 0x08
#define MAX77620_REG_IRQ_LVL2_L8 0x09
#define MAX77620_REG_IRQ_LVL2_GPIO 0x0A
#define MAX77620_REG_ONOFFIRQ 0x0B
#define MAX77620_REG_NVERC 0x0C
#define MAX77620_REG_IRQTOPM 0x0D
#define MAX77620_REG_INTENLBT 0x0E
#define MAX77620_REG_IRQMASKSD 0x0F
#define MAX77620_REG_IRQ_MSK_L0_7 0x10
#define MAX77620_REG_IRQ_MSK_L8 0x11
#define MAX77620_REG_ONOFFIRQM 0x12
#define MAX77620_REG_STATLBT 0x13
#define MAX77620_REG_STATSD 0x14
#define MAX77620_REG_ONOFFSTAT 0x15
#define MAX77620_REG_SD0 0x16
#define MAX77620_SD0_VSEL_MASK 0x3F
#define MAX77620_REG_SD1 0x17
#define MAX77620_SD1_VSEL_MASK 0x7F
#define MAX77620_REG_SD2 0x18
#define MAX77620_REG_SD3 0x19
#define MAX77620_REG_SD4 0x1A
#define MAX77620_SDX_VSEL_MASK 0xFF
#define MAX77620_REG_DVSSD0 0x1B
#define MAX77620_REG_DVSSD1 0x1C
#define MAX77620_REG_CFG_SD0 0x1D
#define MAX77620_REG_CFG_SD1 0x1E
#define MAX77620_REG_CFG_SD2 0x1F
#define MAX77620_REG_CFG_SD3 0x20
#define MAX77620_REG_CFG_SD4 0x21
#define MAX77620_SD_SR_MASK 0xC0
#define MAX77620_SD_SR_SHIFT 6
#define MAX77620_SD_POWER_MODE_MASK 0x30
#define MAX77620_SD_POWER_MODE_SHIFT 4
#define MAX77620_SD_FPWM_MASK 0x04
#define MAX77620_SD_FPWM_SHIFT 2
#define MAX77620_SD_FSRADE_MASK 0x01
#define MAX77620_SD_FSRADE_SHIFT 0
#define MAX77620_REG_CFG2_SD 0x22
#define MAX77620_REG_CFG_LDO0 0x23
#define MAX77620_REG_CFG2_LDO0 0x24
#define MAX77620_REG_CFG_LDO1 0x25
#define MAX77620_REG_CFG2_LDO1 0x26
#define MAX77620_REG_CFG_LDO2 0x27
#define MAX77620_REG_CFG2_LDO2 0x28
#define MAX77620_REG_CFG_LDO3 0x29
#define MAX77620_REG_CFG2_LDO3 0x2A
#define MAX77620_REG_CFG_LDO4 0x2B
#define MAX77620_REG_CFG2_LDO4 0x2C
#define MAX77620_REG_CFG_LDO5 0x2D
#define MAX77620_REG_CFG2_LDO5 0x2E
#define MAX77620_REG_CFG_LDO6 0x2F
#define MAX77620_REG_CFG2_LDO6 0x30
#define MAX77620_REG_CFG_LDO7 0x31
#define MAX77620_REG_CFG2_LDO7 0x32
#define MAX77620_REG_CFG_LDO8 0x33
#define MAX77620_LDO_POWER_MODE_MASK 0xC0
#define MAX77620_LDO_POWER_MODE_SHIFT 6
#define MAX77620_LDO_VSEL_MASK 0x3F
#define MAX77620_REG_CFG2_LDO8 0x34
#define MAX77620_LDO_SLEW_RATE_MASK 0x1
#define MAX77620_LDO_SLEW_RATE_SHIFT 0x0
#define MAX77620_REG_CFG3_LDO 0x35
#define MAX77620_REG_GPIO0 0x36
#define MAX77620_REG_GPIO1 0x37
#define MAX77620_REG_GPIO2 0x38
#define MAX77620_REG_GPIO3 0x39
#define MAX77620_REG_GPIO4 0x3A
#define MAX77620_REG_GPIO5 0x3B
#define MAX77620_REG_GPIO6 0x3C
#define MAX77620_REG_GPIO7 0x3D
#define MAX77620_REG_GPIO_INT_GET(x) (((x) >> 5) & 0x3)
#define MAX77620_REG_GPIO_INT(x) (((x) & 0x3) << 5)
#define MAX77620_REG_GPIO_INT_NONE 0
#define MAX77620_REG_GPIO_INT_FALLING 1
#define MAX77620_REG_GPIO_INT_RISING 2
#define MAX77620_REG_GPIO_INT_BOTH 3
#define MAX77620_REG_GPIO_OUTPUT_VAL_GET(x) (((x) >> 3) & 0x1)
#define MAX77620_REG_GPIO_OUTPUT_VAL(x) (((x) & 0x1) << 3)
#define MAX77620_REG_GPIO_INPUT_VAL_GET(x) (((x) << 2) & 0x1)
#define MAX77620_REG_GPIO_INPUT_VAL (1 << 2)
#define MAX77620_REG_GPIO_DRV_GET(x) (((x) >> 0) & 0x1)
#define MAX77620_REG_GPIO_DRV(x) (((x) & 0x1) << 0)
#define MAX77620_REG_GPIO_DRV_PUSHPULL 1
#define MAX77620_REG_GPIO_DRV_OPENDRAIN 0
#define MAX77620_REG_PUE_GPIO 0x3E
#define MAX77620_REG_PDE_GPIO 0x3F
#define MAX77620_REG_AME_GPIO 0x40
#define MAX77620_REG_ONOFFCNFG1 0x41
#define MAX77620_REG_ONOFFCNFG2 0x42
#define MAX77620_REG_FPS_CFG0 0x43
#define MAX77620_REG_FPS_CFG1 0x44
#define MAX77620_REG_FPS_CFG2 0x45
#define MAX77620_FPS_TIME_PERIOD_MASK 0x38
#define MAX77620_FPS_TIME_PERIOD_SHIFT 3
#define MAX77620_FPS_EN_SRC_MASK 0x06
#define MAX77620_FPS_EN_SRC_SHIFT 1
#define MAX77620_FPS_ENFPS_SW_MASK 0x01
#define MAX77620_FPS_ENFPS_SW 0x01
#define MAX77620_REG_FPS_LDO0 0x46
#define MAX77620_REG_FPS_LDO1 0x47
#define MAX77620_REG_FPS_LDO2 0x48
#define MAX77620_REG_FPS_LDO3 0x49
#define MAX77620_REG_FPS_LDO4 0x4A
#define MAX77620_REG_FPS_LDO5 0x4B
#define MAX77620_REG_FPS_LDO6 0x4C
#define MAX77620_REG_FPS_LDO7 0x4D
#define MAX77620_REG_FPS_LDO8 0x4E
#define MAX77620_REG_FPS_SD0 0x4F
#define MAX77620_REG_FPS_SD1 0x50
#define MAX77620_REG_FPS_SD2 0x51
#define MAX77620_REG_FPS_SD3 0x52
#define MAX77620_REG_FPS_SD4 0x53
#define MAX77620_REG_FPS_GPIO1 0x54
#define MAX77620_REG_FPS_GPIO2 0x55
#define MAX77620_REG_FPS_GPIO3 0x56
#define MAX77620_REG_FPS_RSO 0x57
#define MAX77620_FPS_SRC_MASK 0xC0
#define MAX77620_FPS_SRC_SHIFT 6
#define MAX77620_FPS_PU_PERIOD_MASK 0x38
#define MAX77620_FPS_PU_PERIOD_SHIFT 3
#define MAX77620_FPS_PD_PERIOD_MASK 0x07
#define MAX77620_FPS_PD_PERIOD_SHIFT 0
#define MAX77620_REG_CID0 0x58
#define MAX77620_REG_CID1 0x59
#define MAX77620_REG_CID2 0x5A
#define MAX77620_REG_CID3 0x5B
#define MAX77620_REG_CID4 0x5C
#define MAX77620_REG_CID5 0x5D
#define MAX77620_REG_DVSSD4 0x5E
#define MAX20024_REG_MAX_ADD 0x70
/* MIsc FPS definitions. */
#define MAX77620_FPS_COUNT 3
#define MAX77620_FPS_PERIOD_MIN_US 40
#define MAX77620_FPS_PERIOD_MAX_US 2560
/* Power modes */
#define MAX77620_POWER_MODE_NORMAL 3
#define MAX77620_POWER_MODE_LPM 2
#define MAX77620_POWER_MODE_GLPM 1
#define MAX77620_POWER_MODE_DISABLE 0
struct max77620_reg_sc;
struct max77620_gpio_pin;
struct max77620_softc {
device_t dev;
struct sx lock;
int bus_addr;
struct resource *irq_res;
void *irq_h;
int shutdown_fps[MAX77620_FPS_COUNT];
int suspend_fps[MAX77620_FPS_COUNT];
int event_source[MAX77620_FPS_COUNT];
/* Regulators. */
struct max77620_reg_sc **regs;
int nregs;
/* GPIO */
device_t gpio_busdev;
struct max77620_gpio_pin **gpio_pins;
int gpio_npins;
struct sx gpio_lock;
uint8_t gpio_reg_pue; /* pull-up enables */
uint8_t gpio_reg_pde; /* pull-down enables */
uint8_t gpio_reg_ame; /* alternate fnc */
};
#define RD1(sc, reg, val) max77620_read(sc, reg, val)
#define WR1(sc, reg, val) max77620_write(sc, reg, val)
#define RM1(sc, reg, clr, set) max77620_modify(sc, reg, clr, set)
int max77620_read(struct max77620_softc *sc, uint8_t reg, uint8_t *val);
int max77620_write(struct max77620_softc *sc, uint8_t reg, uint8_t val);
int max77620_modify(struct max77620_softc *sc, uint8_t reg, uint8_t clear,
uint8_t set);
int max77620_read_buf(struct max77620_softc *sc, uint8_t reg, uint8_t *buf,
size_t size);
int max77620_write_buf(struct max77620_softc *sc, uint8_t reg, uint8_t *buf,
size_t size);
/* Regulators */
int max77620_regulator_attach(struct max77620_softc *sc, phandle_t node);
int max77620_regulator_map(device_t dev, phandle_t xref, int ncells,
pcell_t *cells, intptr_t *num);
/* RTC */
int max77620_rtc_create(struct max77620_softc *sc, phandle_t node);
/* GPIO */
device_t max77620_gpio_get_bus(device_t dev);
int max77620_gpio_pin_max(device_t dev, int *maxpin);
int max77620_gpio_pin_getname(device_t dev, uint32_t pin, char *name);
int max77620_gpio_pin_getflags(device_t dev, uint32_t pin, uint32_t *flags);
int max77620_gpio_pin_getcaps(device_t dev, uint32_t pin, uint32_t *caps);
int max77620_gpio_pin_setflags(device_t dev, uint32_t pin, uint32_t flags);
int max77620_gpio_pin_set(device_t dev, uint32_t pin, unsigned int value);
int max77620_gpio_pin_get(device_t dev, uint32_t pin, unsigned int *val);
int max77620_gpio_pin_toggle(device_t dev, uint32_t pin);
int max77620_gpio_map_gpios(device_t dev, phandle_t pdev, phandle_t gparent,
int gcells, pcell_t *gpios, uint32_t *pin, uint32_t *flags);
int max77620_gpio_attach(struct max77620_softc *sc, phandle_t node);
int max77620_pinmux_configure(device_t dev, phandle_t cfgxref);
#endif /* _MAX77620_H_ */