/*
 * OMAP3 powerdomain definitions
 *
 * Copyright (C) 2007-2008, 2011 Texas Instruments, Inc.
 * Copyright (C) 2007-2011 Nokia Corporation
 *
 * Paul Walmsley, Jouni Högander
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

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

#include "soc.h"
#include "powerdomain.h"
#include "powerdomains2xxx_3xxx_data.h"
#include "prcm-common.h"
#include "prm2xxx_3xxx.h"
#include "prm-regbits-34xx.h"
#include "cm2xxx_3xxx.h"
#include "cm-regbits-34xx.h"

/*
 * 34XX-specific powerdomains, dependencies
 */

/*
 * Powerdomains
 */

static struct powerdomain iva2_pwrdm = {
	.name		  = "iva2_pwrdm",
	.prcm_offs	  = OMAP3430_IVA2_MOD,
	.pwrsts		  = PWRSTS_OFF_RET_ON,
	.pwrsts_logic_ret = PWRSTS_OFF_RET,
	.banks		  = 4,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_OFF_RET,
		[1] = PWRSTS_OFF_RET,
		[2] = PWRSTS_OFF_RET,
		[3] = PWRSTS_OFF_RET,
	},
	.pwrsts_mem_on	  = {
		[0] = PWRSTS_ON,
		[1] = PWRSTS_ON,
		[2] = PWRSTS_OFF_ON,
		[3] = PWRSTS_ON,
	},
	.voltdm           = { .name = "mpu_iva" },
};

static struct powerdomain mpu_3xxx_pwrdm = {
	.name		  = "mpu_pwrdm",
	.prcm_offs	  = MPU_MOD,
	.pwrsts		  = PWRSTS_OFF_RET_ON,
	.pwrsts_logic_ret = PWRSTS_OFF_RET,
	.flags		  = PWRDM_HAS_MPU_QUIRK,
	.banks		  = 1,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_OFF_RET,
	},
	.pwrsts_mem_on	  = {
		[0] = PWRSTS_OFF_ON,
	},
	.voltdm           = { .name = "mpu_iva" },
};

static struct powerdomain mpu_am35x_pwrdm = {
	.name		  = "mpu_pwrdm",
	.prcm_offs	  = MPU_MOD,
	.pwrsts		  = PWRSTS_ON,
	.pwrsts_logic_ret = PWRSTS_ON,
	.flags		  = PWRDM_HAS_MPU_QUIRK,
	.banks		  = 1,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_ON,
	},
	.pwrsts_mem_on	  = {
		[0] = PWRSTS_ON,
	},
	.voltdm           = { .name = "mpu_iva" },
};

/*
 * The USBTLL Save-and-Restore mechanism is broken on
 * 3430s up to ES3.0 and 3630ES1.0. Hence this feature
 * needs to be disabled on these chips.
 * Refer: 3430 errata ID i459 and 3630 errata ID i579
 *
 * Note: setting the SAR flag could help for errata ID i478
 *  which applies to 3430 <= ES3.1, but since the SAR feature
 *  is broken, do not use it.
 */
static struct powerdomain core_3xxx_pre_es3_1_pwrdm = {
	.name		  = "core_pwrdm",
	.prcm_offs	  = CORE_MOD,
	.pwrsts		  = PWRSTS_OFF_RET_ON,
	.pwrsts_logic_ret = PWRSTS_OFF_RET,
	.banks		  = 2,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_OFF_RET,	 /* MEM1RETSTATE */
		[1] = PWRSTS_OFF_RET,	 /* MEM2RETSTATE */
	},
	.pwrsts_mem_on	  = {
		[0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */
		[1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
	},
	.voltdm           = { .name = "core" },
};

static struct powerdomain core_3xxx_es3_1_pwrdm = {
	.name		  = "core_pwrdm",
	.prcm_offs	  = CORE_MOD,
	.pwrsts		  = PWRSTS_OFF_RET_ON,
	.pwrsts_logic_ret = PWRSTS_OFF_RET,
	/*
	 * Setting the SAR flag for errata ID i478 which applies
	 *  to 3430 <= ES3.1
	 */
	.flags		  = PWRDM_HAS_HDWR_SAR, /* for USBTLL only */
	.banks		  = 2,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_OFF_RET,	 /* MEM1RETSTATE */
		[1] = PWRSTS_OFF_RET,	 /* MEM2RETSTATE */
	},
	.pwrsts_mem_on	  = {
		[0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */
		[1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
	},
	.voltdm           = { .name = "core" },
};

static struct powerdomain core_am35x_pwrdm = {
	.name		  = "core_pwrdm",
	.prcm_offs	  = CORE_MOD,
	.pwrsts		  = PWRSTS_ON,
	.pwrsts_logic_ret = PWRSTS_ON,
	.banks		  = 2,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_ON,	 /* MEM1RETSTATE */
		[1] = PWRSTS_ON,	 /* MEM2RETSTATE */
	},
	.pwrsts_mem_on	  = {
		[0] = PWRSTS_ON, /* MEM1ONSTATE */
		[1] = PWRSTS_ON, /* MEM2ONSTATE */
	},
	.voltdm           = { .name = "core" },
};

static struct powerdomain dss_pwrdm = {
	.name		  = "dss_pwrdm",
	.prcm_offs	  = OMAP3430_DSS_MOD,
	.pwrsts		  = PWRSTS_OFF_RET_ON,
	.pwrsts_logic_ret = PWRSTS_RET,
	.banks		  = 1,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_RET, /* MEMRETSTATE */
	},
	.pwrsts_mem_on	  = {
		[0] = PWRSTS_ON,  /* MEMONSTATE */
	},
	.voltdm           = { .name = "core" },
};

static struct powerdomain dss_am35x_pwrdm = {
	.name		  = "dss_pwrdm",
	.prcm_offs	  = OMAP3430_DSS_MOD,
	.pwrsts		  = PWRSTS_ON,
	.pwrsts_logic_ret = PWRSTS_ON,
	.banks		  = 1,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_ON, /* MEMRETSTATE */
	},
	.pwrsts_mem_on	  = {
		[0] = PWRSTS_ON,  /* MEMONSTATE */
	},
	.voltdm           = { .name = "core" },
};

/*
 * Although the 34XX TRM Rev K Table 4-371 notes that retention is a
 * possible SGX powerstate, the SGX device itself does not support
 * retention.
 */
static struct powerdomain sgx_pwrdm = {
	.name		  = "sgx_pwrdm",
	.prcm_offs	  = OMAP3430ES2_SGX_MOD,
	/* XXX This is accurate for 3430 SGX, but what about GFX? */
	.pwrsts		  = PWRSTS_OFF_ON,
	.pwrsts_logic_ret = PWRSTS_RET,
	.banks		  = 1,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_RET, /* MEMRETSTATE */
	},
	.pwrsts_mem_on	  = {
		[0] = PWRSTS_ON,  /* MEMONSTATE */
	},
	.voltdm           = { .name = "core" },
};

static struct powerdomain sgx_am35x_pwrdm = {
	.name		  = "sgx_pwrdm",
	.prcm_offs	  = OMAP3430ES2_SGX_MOD,
	.pwrsts		  = PWRSTS_ON,
	.pwrsts_logic_ret = PWRSTS_ON,
	.banks		  = 1,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_ON, /* MEMRETSTATE */
	},
	.pwrsts_mem_on	  = {
		[0] = PWRSTS_ON,  /* MEMONSTATE */
	},
	.voltdm           = { .name = "core" },
};

static struct powerdomain cam_pwrdm = {
	.name		  = "cam_pwrdm",
	.prcm_offs	  = OMAP3430_CAM_MOD,
	.pwrsts		  = PWRSTS_OFF_RET_ON,
	.pwrsts_logic_ret = PWRSTS_RET,
	.banks		  = 1,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_RET, /* MEMRETSTATE */
	},
	.pwrsts_mem_on	  = {
		[0] = PWRSTS_ON,  /* MEMONSTATE */
	},
	.voltdm           = { .name = "core" },
};

static struct powerdomain per_pwrdm = {
	.name		  = "per_pwrdm",
	.prcm_offs	  = OMAP3430_PER_MOD,
	.pwrsts		  = PWRSTS_OFF_RET_ON,
	.pwrsts_logic_ret = PWRSTS_OFF_RET,
	.banks		  = 1,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_RET, /* MEMRETSTATE */
	},
	.pwrsts_mem_on	  = {
		[0] = PWRSTS_ON,  /* MEMONSTATE */
	},
	.voltdm           = { .name = "core" },
};

static struct powerdomain per_am35x_pwrdm = {
	.name		  = "per_pwrdm",
	.prcm_offs	  = OMAP3430_PER_MOD,