From f327e07b0ef9c60a6018799c9f04de10101d8e5a Mon Sep 17 00:00:00 2001 From: Rajendra Nayak Date: Tue, 21 Dec 2010 20:01:18 -0700 Subject: 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 [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 Cc: Benoit Cousson Cc: Kevin Hilman Reviewed-by: Kevin Hilman Tested-by: Kevin Hilman Tested-by: Santosh Shilimkar Tested-by: Rajendra Nayak --- arch/arm/mach-omap2/powerdomain44xx.c | 55 +++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 arch/arm/mach-omap2/powerdomain44xx.c (limited to 'arch/arm/mach-omap2/powerdomain44xx.c') diff --git a/arch/arm/mach-omap2/powerdomain44xx.c b/arch/arm/mach-omap2/powerdomain44xx.c new file mode 100644 index 000000000000..5dc337c0e5d5 --- /dev/null +++ b/arch/arm/mach-omap2/powerdomain44xx.c @@ -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 + * + * 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 +#include +#include +#include +#include +#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, +}; -- cgit v1.2.3