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- /*
- * OMAP2+ Clock Management prototypes
- *
- * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc.
- * Copyright (C) 2007-2009 Nokia Corporation
- *
- * Written by 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.
- */
- #ifndef __ARCH_ASM_MACH_OMAP2_CM_H
- #define __ARCH_ASM_MACH_OMAP2_CM_H
- /*
- * MAX_MODULE_READY_TIME: max duration in microseconds to wait for the
- * PRCM to request that a module exit the inactive state in the case of
- * OMAP2 & 3.
- * In the case of OMAP4 this is the max duration in microseconds for the
- * module to reach the functionnal state from an inactive state.
- */
- #define MAX_MODULE_READY_TIME 2000
- # ifndef __ASSEMBLER__
- #include <linux/clk/ti.h>
- extern void __iomem *cm_base;
- extern void __iomem *cm2_base;
- extern void omap2_set_globals_cm(void __iomem *cm, void __iomem *cm2);
- # endif
- /*
- * MAX_MODULE_DISABLE_TIME: max duration in microseconds to wait for
- * the PRCM to request that a module enter the inactive state in the
- * case of OMAP2 & 3. In the case of OMAP4 this is the max duration
- * in microseconds for the module to reach the inactive state from
- * a functional state.
- * XXX FSUSB on OMAP4430 takes ~4ms to idle after reset during
- * kernel init.
- */
- #define MAX_MODULE_DISABLE_TIME 5000
- # ifndef __ASSEMBLER__
- /**
- * struct cm_ll_data - fn ptrs to per-SoC CM function implementations
- * @split_idlest_reg: ptr to the SoC CM-specific split_idlest_reg impl
- * @wait_module_ready: ptr to the SoC CM-specific wait_module_ready impl
- * @wait_module_idle: ptr to the SoC CM-specific wait_module_idle impl
- * @module_enable: ptr to the SoC CM-specific module_enable impl
- * @module_disable: ptr to the SoC CM-specific module_disable impl
- */
- struct cm_ll_data {
- int (*split_idlest_reg)(struct clk_omap_reg *idlest_reg, s16 *prcm_inst,
- u8 *idlest_reg_id);
- int (*wait_module_ready)(u8 part, s16 prcm_mod, u16 idlest_reg,
- u8 idlest_shift);
- int (*wait_module_idle)(u8 part, s16 prcm_mod, u16 idlest_reg,
- u8 idlest_shift);
- void (*module_enable)(u8 mode, u8 part, u16 inst, u16 clkctrl_offs);
- void (*module_disable)(u8 part, u16 inst, u16 clkctrl_offs);
- };
- extern int cm_split_idlest_reg(struct clk_omap_reg *idlest_reg, s16 *prcm_inst,
- u8 *idlest_reg_id);
- int omap_cm_wait_module_ready(u8 part, s16 prcm_mod, u16 idlest_reg,
- u8 idlest_shift);
- int omap_cm_wait_module_idle(u8 part, s16 prcm_mod, u16 idlest_reg,
- u8 idlest_shift);
- int omap_cm_module_enable(u8 mode, u8 part, u16 inst, u16 clkctrl_offs);
- int omap_cm_module_disable(u8 part, u16 inst, u16 clkctrl_offs);
- extern int cm_register(struct cm_ll_data *cld);
- extern int cm_unregister(struct cm_ll_data *cld);
- int omap_cm_init(void);
- int omap2_cm_base_init(void);
- # endif
- #endif
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