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OMAP: powerdomain: Arch specific funcs for state control
Define the following architecture specific funtions for omap2/3/4 .pwrdm_set_next_pwrst .pwrdm_read_next_pwrst .pwrdm_read_pwrst .pwrdm_read_prev_pwrst Convert the platform-independent framework to call these functions. Signed-off-by: Rajendra Nayak <rnayak@ti.com> [paul@pwsan.com: remove remaining static allocations in powerdomains.h file; remove path in file header comments, rearranged Makefile changes] Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Kevin Hilman <khilman@deeprootsystems.com> Reviewed-by: Kevin Hilman <khilman@deeprootsystems.com> Tested-by: Kevin Hilman <khilman@deeprootsystems.com> Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Tested-by: Rajendra Nayak <rnayak@ti.com>
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Rajendra Nayak
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /* | ||
| * OMAP2 and OMAP3 powerdomain control | ||
| * | ||
| * Copyright (C) 2009-2010 Texas Instruments, Inc. | ||
| * Copyright (C) 2007-2009 Nokia Corporation | ||
| * | ||
| * Derived from mach-omap2/powerdomain.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/io.h> | ||
| #include <linux/errno.h> | ||
| #include <linux/delay.h> | ||
| #include <plat/prcm.h> | ||
| #include "prm.h" | ||
| #include "prm-regbits-34xx.h" | ||
| #include "powerdomains.h" | ||
|
|
||
| /* Common functions across OMAP2 and OMAP3 */ | ||
| static int omap2_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst) | ||
| { | ||
| prm_rmw_mod_reg_bits(OMAP_POWERSTATE_MASK, | ||
| (pwrst << OMAP_POWERSTATE_SHIFT), | ||
| pwrdm->prcm_offs, OMAP2_PM_PWSTCTRL); | ||
| return 0; | ||
| } | ||
|
|
||
| static int omap2_pwrdm_read_next_pwrst(struct powerdomain *pwrdm) | ||
| { | ||
| return prm_read_mod_bits_shift(pwrdm->prcm_offs, | ||
| OMAP2_PM_PWSTCTRL, OMAP_POWERSTATE_MASK); | ||
| } | ||
|
|
||
| static int omap2_pwrdm_read_pwrst(struct powerdomain *pwrdm) | ||
| { | ||
| return prm_read_mod_bits_shift(pwrdm->prcm_offs, | ||
| OMAP2_PM_PWSTST, OMAP_POWERSTATEST_MASK); | ||
| } | ||
|
|
||
| /* Applicable only for OMAP3. Not supported on OMAP2 */ | ||
| static int omap3_pwrdm_read_prev_pwrst(struct powerdomain *pwrdm) | ||
| { | ||
| return prm_read_mod_bits_shift(pwrdm->prcm_offs, OMAP3430_PM_PREPWSTST, | ||
| OMAP3430_LASTPOWERSTATEENTERED_MASK); | ||
| } | ||
|
|
||
| struct pwrdm_ops omap2_pwrdm_operations = { | ||
| .pwrdm_set_next_pwrst = omap2_pwrdm_set_next_pwrst, | ||
| .pwrdm_read_next_pwrst = omap2_pwrdm_read_next_pwrst, | ||
| .pwrdm_read_pwrst = omap2_pwrdm_read_pwrst, | ||
| }; | ||
|
|
||
| struct pwrdm_ops omap3_pwrdm_operations = { | ||
| .pwrdm_set_next_pwrst = omap2_pwrdm_set_next_pwrst, | ||
| .pwrdm_read_next_pwrst = omap2_pwrdm_read_next_pwrst, | ||
| .pwrdm_read_pwrst = omap2_pwrdm_read_pwrst, | ||
| .pwrdm_read_prev_pwrst = omap3_pwrdm_read_prev_pwrst, | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /* | ||
| * OMAP4 powerdomain control | ||
| * | ||
| * Copyright (C) 2009-2010 Texas Instruments, Inc. | ||
| * Copyright (C) 2007-2009 Nokia Corporation | ||
| * | ||
| * Derived from mach-omap2/powerdomain.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/io.h> | ||
| #include <linux/errno.h> | ||
| #include <linux/delay.h> | ||
| #include <plat/powerdomain.h> | ||
| #include <plat/prcm.h> | ||
| #include "prm.h" | ||
| #include "prm-regbits-44xx.h" | ||
| #include "powerdomains.h" | ||
|
|
||
| static int omap4_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst) | ||
| { | ||
| prm_rmw_mod_reg_bits(OMAP_POWERSTATE_MASK, | ||
| (pwrst << OMAP_POWERSTATE_SHIFT), | ||
| pwrdm->prcm_offs, OMAP4_PM_PWSTCTRL); | ||
| return 0; | ||
| } | ||
|
|
||
| static int omap4_pwrdm_read_next_pwrst(struct powerdomain *pwrdm) | ||
| { | ||
| return prm_read_mod_bits_shift(pwrdm->prcm_offs, | ||
| OMAP4_PM_PWSTCTRL, OMAP_POWERSTATE_MASK); | ||
| } | ||
|
|
||
| static int omap4_pwrdm_read_pwrst(struct powerdomain *pwrdm) | ||
| { | ||
| return prm_read_mod_bits_shift(pwrdm->prcm_offs, | ||
| OMAP4_PM_PWSTST, OMAP_POWERSTATEST_MASK); | ||
| } | ||
|
|
||
| static int omap4_pwrdm_read_prev_pwrst(struct powerdomain *pwrdm) | ||
| { | ||
| return prm_read_mod_bits_shift(pwrdm->prcm_offs, OMAP4_PM_PWSTST, | ||
| OMAP4430_LASTPOWERSTATEENTERED_MASK); | ||
| } | ||
|
|
||
| struct pwrdm_ops omap4_pwrdm_operations = { | ||
| .pwrdm_set_next_pwrst = omap4_pwrdm_set_next_pwrst, | ||
| .pwrdm_read_next_pwrst = omap4_pwrdm_read_next_pwrst, | ||
| .pwrdm_read_pwrst = omap4_pwrdm_read_pwrst, | ||
| .pwrdm_read_prev_pwrst = omap4_pwrdm_read_prev_pwrst, | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| /* | ||
| * OMAP2+ powerdomain prototypes | ||
| * | ||
| * Copyright (C) 2010 Texas Instruments, Inc. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
||
| #ifndef ARCH_ARM_MACH_OMAP2_POWERDOMAINS | ||
| #define ARCH_ARM_MACH_OMAP2_POWERDOMAINS | ||
|
|
||
| #include <plat/powerdomain.h> | ||
|
|
||
| extern struct pwrdm_ops omap2_pwrdm_operations; | ||
| extern struct pwrdm_ops omap3_pwrdm_operations; | ||
| extern struct pwrdm_ops omap4_pwrdm_operations; | ||
|
|
||
| #endif /* ARCH_ARM_MACH_OMAP2_POWERDOMAINS */ |
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