/*
- * OMAP2/3 powerdomain control
+ * OMAP2/3/4 powerdomain control
*
- * Copyright (C) 2007-2008 Texas Instruments, Inc.
- * Copyright (C) 2007-2009 Nokia Corporation
+ * Copyright (C) 2007-2008, 2010 Texas Instruments, Inc.
+ * Copyright (C) 2007-2010 Nokia Corporation
*
- * Written by Paul Walmsley
+ * Paul Walmsley
*
* 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.
+ *
+ * XXX This should be moved to the mach-omap2/ directory at the earliest
+ * opportunity.
*/
-#ifndef ASM_ARM_ARCH_OMAP_POWERDOMAIN
-#define ASM_ARM_ARCH_OMAP_POWERDOMAIN
+#ifndef __ARCH_ARM_MACH_OMAP2_POWERDOMAIN_H
+#define __ARCH_ARM_MACH_OMAP2_POWERDOMAIN_H
#include <linux/types.h>
#include <linux/list.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <plat/cpu.h>
-
/* Powerdomain basic power states */
#define PWRDM_POWER_OFF 0x0
#define PWRDM_POWER_RET 0x1
* @name: Powerdomain name
* @omap_chip: represents the OMAP chip types containing this pwrdm
* @prcm_offs: the address offset from CM_BASE/PRM_BASE
+ * @prcm_partition: (OMAP4 only) the PRCM partition ID containing @prcm_offs
* @pwrsts: Possible powerdomain power states
* @pwrsts_logic_ret: Possible logic power states when pwrdm in RETENTION
* @flags: Powerdomain flags
* @state_counter:
* @timer:
* @state_timer:
+ *
+ * @prcm_partition possible values are defined in mach-omap2/prcm44xx.h.
*/
struct powerdomain {
const char *name;
const u8 banks;
const u8 pwrsts_mem_ret[PWRDM_MAX_MEM_BANKS];
const u8 pwrsts_mem_on[PWRDM_MAX_MEM_BANKS];
+ const u8 prcm_partition;
struct clockdomain *pwrdm_clkdms[PWRDM_MAX_CLKDMS];
struct list_head node;
int state;
#endif
};
+/**
+ * struct pwrdm_ops - Arch specfic function implementations
+ * @pwrdm_set_next_pwrst: Set the target power state for a pd
+ * @pwrdm_read_next_pwrst: Read the target power state set for a pd
+ * @pwrdm_read_pwrst: Read the current power state of a pd
+ * @pwrdm_read_prev_pwrst: Read the prev power state entered by the pd
+ * @pwrdm_set_logic_retst: Set the logic state in RET for a pd
+ * @pwrdm_set_mem_onst: Set the Memory state in ON for a pd
+ * @pwrdm_set_mem_retst: Set the Memory state in RET for a pd
+ * @pwrdm_read_logic_pwrst: Read the current logic state of a pd
+ * @pwrdm_read_prev_logic_pwrst: Read the previous logic state entered by a pd
+ * @pwrdm_read_logic_retst: Read the logic state in RET for a pd
+ * @pwrdm_read_mem_pwrst: Read the current memory state of a pd
+ * @pwrdm_read_prev_mem_pwrst: Read the previous memory state entered by a pd
+ * @pwrdm_read_mem_retst: Read the memory state in RET for a pd
+ * @pwrdm_clear_all_prev_pwrst: Clear all previous power states logged for a pd
+ * @pwrdm_enable_hdwr_sar: Enable Hardware Save-Restore feature for the pd
+ * @pwrdm_disable_hdwr_sar: Disable Hardware Save-Restore feature for a pd
+ * @pwrdm_set_lowpwrstchange: Enable pd transitions from a shallow to deep sleep
+ * @pwrdm_wait_transition: Wait for a pd state transition to complete
+ */
+struct pwrdm_ops {
+ int (*pwrdm_set_next_pwrst)(struct powerdomain *pwrdm, u8 pwrst);
+ int (*pwrdm_read_next_pwrst)(struct powerdomain *pwrdm);
+ int (*pwrdm_read_pwrst)(struct powerdomain *pwrdm);
+ int (*pwrdm_read_prev_pwrst)(struct powerdomain *pwrdm);
+ int (*pwrdm_set_logic_retst)(struct powerdomain *pwrdm, u8 pwrst);
+ int (*pwrdm_set_mem_onst)(struct powerdomain *pwrdm, u8 bank, u8 pwrst);
+ int (*pwrdm_set_mem_retst)(struct powerdomain *pwrdm, u8 bank, u8 pwrst);
+ int (*pwrdm_read_logic_pwrst)(struct powerdomain *pwrdm);
+ int (*pwrdm_read_prev_logic_pwrst)(struct powerdomain *pwrdm);
+ int (*pwrdm_read_logic_retst)(struct powerdomain *pwrdm);
+ int (*pwrdm_read_mem_pwrst)(struct powerdomain *pwrdm, u8 bank);
+ int (*pwrdm_read_prev_mem_pwrst)(struct powerdomain *pwrdm, u8 bank);
+ int (*pwrdm_read_mem_retst)(struct powerdomain *pwrdm, u8 bank);
+ int (*pwrdm_clear_all_prev_pwrst)(struct powerdomain *pwrdm);
+ int (*pwrdm_enable_hdwr_sar)(struct powerdomain *pwrdm);
+ int (*pwrdm_disable_hdwr_sar)(struct powerdomain *pwrdm);
+ int (*pwrdm_set_lowpwrstchange)(struct powerdomain *pwrdm);
+ int (*pwrdm_wait_transition)(struct powerdomain *pwrdm);
+};
-void pwrdm_init(struct powerdomain **pwrdm_list);
+void pwrdm_fw_init(void);
+void pwrdm_init(struct powerdomain **pwrdm_list, struct pwrdm_ops *custom_funcs);
struct powerdomain *pwrdm_lookup(const char *name);
int pwrdm_pre_transition(void);
int pwrdm_post_transition(void);
int pwrdm_set_lowpwrstchange(struct powerdomain *pwrdm);
+u32 pwrdm_get_context_loss_count(struct powerdomain *pwrdm);
+
+extern void omap2xxx_powerdomains_init(void);
+extern void omap3xxx_powerdomains_init(void);
+extern void omap44xx_powerdomains_init(void);
+
+extern struct pwrdm_ops omap2_pwrdm_operations;
+extern struct pwrdm_ops omap3_pwrdm_operations;
+extern struct pwrdm_ops omap4_pwrdm_operations;
+
+/* Common Internal functions used across OMAP rev's */
+extern u32 omap2_pwrdm_get_mem_bank_onstate_mask(u8 bank);
+extern u32 omap2_pwrdm_get_mem_bank_retst_mask(u8 bank);
+extern u32 omap2_pwrdm_get_mem_bank_stst_mask(u8 bank);
+
+extern struct powerdomain wkup_omap2_pwrdm;
+extern struct powerdomain gfx_omap2_pwrdm;
+
#endif
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