// SPDX-License-Identifier: GPL-2.0-only
/*
 * AM43xx Power domains framework
 *
 * Copyright (C) 2013 Texas Instruments, Inc.
 */

#include <linux/kernel.h>
#include <linux/init.h>

#include "powerdomain.h"

#include "prcm-common.h"
#include "prcm44xx.h"
#include "prcm43xx.h"

static struct powerdomain gfx_43xx_pwrdm = {
        .name             = "gfx_pwrdm",
        .voltdm           = { .name = "core" },
        .prcm_offs        = AM43XX_PRM_GFX_INST,
        .prcm_partition   = AM43XX_PRM_PARTITION,
        .pwrsts           = PWRSTS_OFF_ON,
        .banks            = 1,
        .pwrsts_mem_on  = {
                [0] = PWRSTS_ON,        /* gfx_mem */
        },
        .flags            = PWRDM_HAS_LOWPOWERSTATECHANGE,
};

static struct powerdomain mpu_43xx_pwrdm = {
        .name             = "mpu_pwrdm",
        .voltdm           = { .name = "mpu" },
        .prcm_offs        = AM43XX_PRM_MPU_INST,
        .prcm_partition   = AM43XX_PRM_PARTITION,
        .pwrsts           = PWRSTS_OFF_RET_ON,
        .pwrsts_logic_ret = PWRSTS_OFF_RET,
        .banks            = 3,
        .pwrsts_mem_ret = {
                [0] = PWRSTS_OFF_RET,   /* mpu_l1 */
                [1] = PWRSTS_OFF_RET,   /* mpu_l2 */
                [2] = PWRSTS_OFF_RET,   /* mpu_ram */
        },
        .pwrsts_mem_on  = {
                [0] = PWRSTS_ON,        /* mpu_l1 */
                [1] = PWRSTS_ON,        /* mpu_l2 */
                [2] = PWRSTS_ON,        /* mpu_ram */
        },
        .flags            = PWRDM_HAS_LOWPOWERSTATECHANGE,
};

static struct powerdomain rtc_43xx_pwrdm = {
        .name             = "rtc_pwrdm",
        .voltdm           = { .name = "rtc" },
        .prcm_offs        = AM43XX_PRM_RTC_INST,
        .prcm_partition   = AM43XX_PRM_PARTITION,
        .pwrsts           = PWRSTS_ON,
};

static struct powerdomain wkup_43xx_pwrdm = {
        .name             = "wkup_pwrdm",
        .voltdm           = { .name = "core" },
        .prcm_offs        = AM43XX_PRM_WKUP_INST,
        .prcm_partition   = AM43XX_PRM_PARTITION,
        .pwrsts           = PWRSTS_ON,
        .banks            = 1,
        .pwrsts_mem_on  = {
                [0] = PWRSTS_ON,        /* debugss_mem */
        },
};

static struct powerdomain tamper_43xx_pwrdm = {
        .name             = "tamper_pwrdm",
        .voltdm           = { .name = "tamper" },
        .prcm_offs        = AM43XX_PRM_TAMPER_INST,
        .prcm_partition   = AM43XX_PRM_PARTITION,
        .pwrsts           = PWRSTS_ON,
};

static struct powerdomain cefuse_43xx_pwrdm = {
        .name             = "cefuse_pwrdm",
        .voltdm           = { .name = "core" },
        .prcm_offs        = AM43XX_PRM_CEFUSE_INST,
        .prcm_partition   = AM43XX_PRM_PARTITION,
        .pwrsts           = PWRSTS_OFF_ON,
        .flags            = PWRDM_HAS_LOWPOWERSTATECHANGE,
};

static struct powerdomain per_43xx_pwrdm = {
        .name             = "per_pwrdm",
        .voltdm           = { .name = "core" },
        .prcm_offs        = AM43XX_PRM_PER_INST,
        .prcm_partition   = AM43XX_PRM_PARTITION,
        .pwrsts           = PWRSTS_OFF_RET_ON,
        .pwrsts_logic_ret = PWRSTS_OFF_RET,
        .banks            = 4,
        .pwrsts_mem_ret = {
                [0] = PWRSTS_OFF_RET,   /* icss_mem */
                [1] = PWRSTS_OFF_RET,   /* per_mem */
                [2] = PWRSTS_OFF_RET,   /* ram1_mem */
                [3] = PWRSTS_OFF_RET,   /* ram2_mem */
        },
        .pwrsts_mem_on  = {
                [0] = PWRSTS_ON,        /* icss_mem */
                [1] = PWRSTS_ON,        /* per_mem */
                [2] = PWRSTS_ON,        /* ram1_mem */
                [3] = PWRSTS_ON,        /* ram2_mem */
        },
        .flags            = PWRDM_HAS_LOWPOWERSTATECHANGE,
};

static struct powerdomain *powerdomains_am43xx[] __initdata = {
        &gfx_43xx_pwrdm,
        &mpu_43xx_pwrdm,
        &rtc_43xx_pwrdm,
        &wkup_43xx_pwrdm,
        &tamper_43xx_pwrdm,
        &cefuse_43xx_pwrdm,
        &per_43xx_pwrdm,
        NULL
};

static int am43xx_check_vcvp(void)
{
        return 0;
}

void __init am43xx_powerdomains_init(void)
{
        omap4_pwrdm_operations.pwrdm_has_voltdm = am43xx_check_vcvp;
        pwrdm_register_platform_funcs(&omap4_pwrdm_operations);
        pwrdm_register_pwrdms(powerdomains_am43xx);
        pwrdm_complete_init();
}