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Diffstat (limited to 'arch/arm/mach-omap2/clockdomain2xxx_3xxx.c')
-rw-r--r--arch/arm/mach-omap2/clockdomain2xxx_3xxx.c339
1 files changed, 0 insertions, 339 deletions
diff --git a/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c b/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c
deleted file mode 100644
index 70294f54e35..00000000000
--- a/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c
+++ /dev/null
@@ -1,339 +0,0 @@
-/*
- * OMAP2 and OMAP3 clockdomain control
- *
- * Copyright (C) 2008-2010 Texas Instruments, Inc.
- * Copyright (C) 2008-2010 Nokia Corporation
- *
- * Derived from mach-omap2/clockdomain.c written by Paul Walmsley
- * Rajendra Nayak <rnayak@ti.com>
- *
- * 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/types.h>
-#include <plat/prcm.h>
-#include "prm.h"
-#include "prm2xxx_3xxx.h"
-#include "cm.h"
-#include "cm2xxx_3xxx.h"
-#include "cm-regbits-24xx.h"
-#include "cm-regbits-34xx.h"
-#include "prm-regbits-24xx.h"
-#include "clockdomain.h"
-
-static int omap2_clkdm_add_wkdep(struct clockdomain *clkdm1,
- struct clockdomain *clkdm2)
-{
- omap2_prm_set_mod_reg_bits((1 << clkdm2->dep_bit),
- clkdm1->pwrdm.ptr->prcm_offs, PM_WKDEP);
- return 0;
-}
-
-static int omap2_clkdm_del_wkdep(struct clockdomain *clkdm1,
- struct clockdomain *clkdm2)
-{
- omap2_prm_clear_mod_reg_bits((1 << clkdm2->dep_bit),
- clkdm1->pwrdm.ptr->prcm_offs, PM_WKDEP);
- return 0;
-}
-
-static int omap2_clkdm_read_wkdep(struct clockdomain *clkdm1,
- struct clockdomain *clkdm2)
-{
- return omap2_prm_read_mod_bits_shift(clkdm1->pwrdm.ptr->prcm_offs,
- PM_WKDEP, (1 << clkdm2->dep_bit));
-}
-
-static int omap2_clkdm_clear_all_wkdeps(struct clockdomain *clkdm)
-{
- struct clkdm_dep *cd;
- u32 mask = 0;
-
- for (cd = clkdm->wkdep_srcs; cd && cd->clkdm_name; cd++) {
- if (!cd->clkdm)
- continue; /* only happens if data is erroneous */
-
- /* PRM accesses are slow, so minimize them */
- mask |= 1 << cd->clkdm->dep_bit;
- atomic_set(&cd->wkdep_usecount, 0);
- }
-
- omap2_prm_clear_mod_reg_bits(mask, clkdm->pwrdm.ptr->prcm_offs,
- PM_WKDEP);
- return 0;
-}
-
-static int omap3_clkdm_add_sleepdep(struct clockdomain *clkdm1,
- struct clockdomain *clkdm2)
-{
- omap2_cm_set_mod_reg_bits((1 << clkdm2->dep_bit),
- clkdm1->pwrdm.ptr->prcm_offs,
- OMAP3430_CM_SLEEPDEP);
- return 0;
-}
-
-static int omap3_clkdm_del_sleepdep(struct clockdomain *clkdm1,
- struct clockdomain *clkdm2)
-{
- omap2_cm_clear_mod_reg_bits((1 << clkdm2->dep_bit),
- clkdm1->pwrdm.ptr->prcm_offs,
- OMAP3430_CM_SLEEPDEP);
- return 0;
-}
-
-static int omap3_clkdm_read_sleepdep(struct clockdomain *clkdm1,
- struct clockdomain *clkdm2)
-{
- return omap2_prm_read_mod_bits_shift(clkdm1->pwrdm.ptr->prcm_offs,
- OMAP3430_CM_SLEEPDEP, (1 << clkdm2->dep_bit));
-}
-
-static int omap3_clkdm_clear_all_sleepdeps(struct clockdomain *clkdm)
-{
- struct clkdm_dep *cd;
- u32 mask = 0;
-
- for (cd = clkdm->sleepdep_srcs; cd && cd->clkdm_name; cd++) {
- if (!cd->clkdm)
- continue; /* only happens if data is erroneous */
-
- /* PRM accesses are slow, so minimize them */
- mask |= 1 << cd->clkdm->dep_bit;
- atomic_set(&cd->sleepdep_usecount, 0);
- }
- omap2_prm_clear_mod_reg_bits(mask, clkdm->pwrdm.ptr->prcm_offs,
- OMAP3430_CM_SLEEPDEP);
- return 0;
-}
-
-static int omap2_clkdm_sleep(struct clockdomain *clkdm)
-{
- omap2_cm_set_mod_reg_bits(OMAP24XX_FORCESTATE_MASK,
- clkdm->pwrdm.ptr->prcm_offs,
- OMAP2_PM_PWSTCTRL);
- return 0;
-}
-
-static int omap2_clkdm_wakeup(struct clockdomain *clkdm)
-{
- omap2_cm_clear_mod_reg_bits(OMAP24XX_FORCESTATE_MASK,
- clkdm->pwrdm.ptr->prcm_offs,
- OMAP2_PM_PWSTCTRL);
- return 0;
-}
-
-static void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
-{
- if (atomic_read(&clkdm->usecount) > 0)
- _clkdm_add_autodeps(clkdm);
-
- omap2xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
-}
-
-static void omap2_clkdm_deny_idle(struct clockdomain *clkdm)
-{
- omap2xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
-
- if (atomic_read(&clkdm->usecount) > 0)
- _clkdm_del_autodeps(clkdm);
-}
-
-static void _enable_hwsup(struct clockdomain *clkdm)
-{
- if (cpu_is_omap24xx())
- omap2xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
- else if (cpu_is_omap34xx())
- omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
-}
-
-static void _disable_hwsup(struct clockdomain *clkdm)
-{
- if (cpu_is_omap24xx())
- omap2xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
- else if (cpu_is_omap34xx())
- omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
-}
-
-static int omap3_clkdm_sleep(struct clockdomain *clkdm)
-{
- omap3xxx_cm_clkdm_force_sleep(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
- return 0;
-}
-
-static int omap3_clkdm_wakeup(struct clockdomain *clkdm)
-{
- omap3xxx_cm_clkdm_force_wakeup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
- return 0;
-}
-
-static int omap2_clkdm_clk_enable(struct clockdomain *clkdm)
-{
- bool hwsup = false;
-
- if (!clkdm->clktrctrl_mask)
- return 0;
-
- hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
-
- if (hwsup) {
- /* Disable HW transitions when we are changing deps */
- _disable_hwsup(clkdm);
- _clkdm_add_autodeps(clkdm);
- _enable_hwsup(clkdm);
- } else {
- if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
- omap2_clkdm_wakeup(clkdm);
- }
-
- return 0;
-}
-
-static int omap2_clkdm_clk_disable(struct clockdomain *clkdm)
-{
- bool hwsup = false;
-
- if (!clkdm->clktrctrl_mask)
- return 0;
-
- hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
-
- if (hwsup) {
- /* Disable HW transitions when we are changing deps */
- _disable_hwsup(clkdm);
- _clkdm_del_autodeps(clkdm);
- _enable_hwsup(clkdm);
- } else {
- if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP)
- omap2_clkdm_sleep(clkdm);
- }
-
- return 0;
-}
-
-static void omap3_clkdm_allow_idle(struct clockdomain *clkdm)
-{
- if (atomic_read(&clkdm->usecount) > 0)
- _clkdm_add_autodeps(clkdm);
-
- omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
-}
-
-static void omap3_clkdm_deny_idle(struct clockdomain *clkdm)
-{
- omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
-
- if (atomic_read(&clkdm->usecount) > 0)
- _clkdm_del_autodeps(clkdm);
-}
-
-static int omap3xxx_clkdm_clk_enable(struct clockdomain *clkdm)
-{
- bool hwsup = false;
-
- if (!clkdm->clktrctrl_mask)
- return 0;
-
- /*
- * The CLKDM_MISSING_IDLE_REPORTING flag documentation has
- * more details on the unpleasant problem this is working
- * around
- */
- if ((clkdm->flags & CLKDM_MISSING_IDLE_REPORTING) &&
- (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)) {
- omap3_clkdm_wakeup(clkdm);
- return 0;
- }
-
- hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
-
- if (hwsup) {
- /* Disable HW transitions when we are changing deps */
- _disable_hwsup(clkdm);
- _clkdm_add_autodeps(clkdm);
- _enable_hwsup(clkdm);
- } else {
- if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
- omap3_clkdm_wakeup(clkdm);
- }
-
- return 0;
-}
-
-static int omap3xxx_clkdm_clk_disable(struct clockdomain *clkdm)
-{
- bool hwsup = false;
-
- if (!clkdm->clktrctrl_mask)
- return 0;
-
- /*
- * The CLKDM_MISSING_IDLE_REPORTING flag documentation has
- * more details on the unpleasant problem this is working
- * around
- */
- if (clkdm->flags & CLKDM_MISSING_IDLE_REPORTING &&
- !(clkdm->flags & CLKDM_CAN_FORCE_SLEEP)) {
- _enable_hwsup(clkdm);
- return 0;
- }
-
- hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
-
- if (hwsup) {
- /* Disable HW transitions when we are changing deps */
- _disable_hwsup(clkdm);
- _clkdm_del_autodeps(clkdm);
- _enable_hwsup(clkdm);
- } else {
- if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP)
- omap3_clkdm_sleep(clkdm);
- }
-
- return 0;
-}
-
-struct clkdm_ops omap2_clkdm_operations = {
- .clkdm_add_wkdep = omap2_clkdm_add_wkdep,
- .clkdm_del_wkdep = omap2_clkdm_del_wkdep,
- .clkdm_read_wkdep = omap2_clkdm_read_wkdep,
- .clkdm_clear_all_wkdeps = omap2_clkdm_clear_all_wkdeps,
- .clkdm_sleep = omap2_clkdm_sleep,
- .clkdm_wakeup = omap2_clkdm_wakeup,
- .clkdm_allow_idle = omap2_clkdm_allow_idle,
- .clkdm_deny_idle = omap2_clkdm_deny_idle,
- .clkdm_clk_enable = omap2_clkdm_clk_enable,
- .clkdm_clk_disable = omap2_clkdm_clk_disable,
-};
-
-struct clkdm_ops omap3_clkdm_operations = {
- .clkdm_add_wkdep = omap2_clkdm_add_wkdep,
- .clkdm_del_wkdep = omap2_clkdm_del_wkdep,
- .clkdm_read_wkdep = omap2_clkdm_read_wkdep,
- .clkdm_clear_all_wkdeps = omap2_clkdm_clear_all_wkdeps,
- .clkdm_add_sleepdep = omap3_clkdm_add_sleepdep,
- .clkdm_del_sleepdep = omap3_clkdm_del_sleepdep,
- .clkdm_read_sleepdep = omap3_clkdm_read_sleepdep,
- .clkdm_clear_all_sleepdeps = omap3_clkdm_clear_all_sleepdeps,
- .clkdm_sleep = omap3_clkdm_sleep,
- .clkdm_wakeup = omap3_clkdm_wakeup,
- .clkdm_allow_idle = omap3_clkdm_allow_idle,
- .clkdm_deny_idle = omap3_clkdm_deny_idle,
- .clkdm_clk_enable = omap3xxx_clkdm_clk_enable,
- .clkdm_clk_disable = omap3xxx_clkdm_clk_disable,
-};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-02 00:44:31 +0000