ARM: ICST: merge common ICST VCO structures
The structures for the ICST307 and ICST525 VCO devices are identical, so merge them together. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Родитель
b830b9b5b3
Коммит
39c0cb02db
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@ -24,7 +24,7 @@
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*/
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static unsigned char s2div[8] = { 10, 2, 8, 4, 5, 7, 3, 6 };
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unsigned long icst307_khz(const struct icst307_params *p, struct icst307_vco vco)
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unsigned long icst307_khz(const struct icst_params *p, struct icst_vco vco)
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{
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return p->ref * 2 * (vco.v + 8) / ((vco.r + 2) * s2div[vco.s]);
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}
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@ -36,10 +36,10 @@ EXPORT_SYMBOL(icst307_khz);
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*/
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static unsigned char idx2s[8] = { 1, 6, 3, 4, 7, 5, 2, 0 };
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struct icst307_vco
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icst307_khz_to_vco(const struct icst307_params *p, unsigned long freq)
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struct icst_vco
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icst307_khz_to_vco(const struct icst_params *p, unsigned long freq)
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{
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struct icst307_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
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struct icst_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
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unsigned long f;
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unsigned int i = 0, rd, best = (unsigned int)-1;
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@ -96,10 +96,10 @@ icst307_khz_to_vco(const struct icst307_params *p, unsigned long freq)
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EXPORT_SYMBOL(icst307_khz_to_vco);
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struct icst307_vco
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icst307_ps_to_vco(const struct icst307_params *p, unsigned long period)
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struct icst_vco
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icst307_ps_to_vco(const struct icst_params *p, unsigned long period)
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{
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struct icst307_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
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struct icst_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
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unsigned long f, ps;
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unsigned int i = 0, rd, best = (unsigned int)-1;
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@ -21,7 +21,7 @@
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*/
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static unsigned char s2div[8] = { 10, 2, 8, 4, 5, 7, 9, 6 };
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unsigned long icst525_khz(const struct icst525_params *p, struct icst525_vco vco)
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unsigned long icst525_khz(const struct icst_params *p, struct icst_vco vco)
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{
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return p->ref * 2 * (vco.v + 8) / ((vco.r + 2) * s2div[vco.s]);
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}
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@ -33,10 +33,10 @@ EXPORT_SYMBOL(icst525_khz);
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*/
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static unsigned char idx2s[] = { 1, 3, 4, 7, 5, 2, 6, 0 };
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struct icst525_vco
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icst525_khz_to_vco(const struct icst525_params *p, unsigned long freq)
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struct icst_vco
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icst525_khz_to_vco(const struct icst_params *p, unsigned long freq)
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{
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struct icst525_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
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struct icst_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
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unsigned long f;
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unsigned int i = 0, rd, best = (unsigned int)-1;
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@ -94,10 +94,10 @@ icst525_khz_to_vco(const struct icst525_params *p, unsigned long freq)
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EXPORT_SYMBOL(icst525_khz_to_vco);
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struct icst525_vco
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icst525_ps_to_vco(const struct icst525_params *p, unsigned long period)
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struct icst_vco
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icst525_ps_to_vco(const struct icst_params *p, unsigned long period)
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{
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struct icst525_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
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struct icst_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
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unsigned long f, ps;
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unsigned int i = 0, rd, best = (unsigned int)-1;
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@ -0,0 +1,32 @@
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/*
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* arch/arm/include/asm/hardware/icst.h
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*
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* Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Support functions for calculating clocks/divisors for the ICST
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* clock generators. See http://www.icst.com/ for more information
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* on these devices.
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*/
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#ifndef ASMARM_HARDWARE_ICST_H
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#define ASMARM_HARDWARE_ICST_H
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struct icst_params {
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unsigned long ref;
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unsigned long vco_max; /* inclusive */
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unsigned short vd_min; /* inclusive */
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unsigned short vd_max; /* inclusive */
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unsigned char rd_min; /* inclusive */
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unsigned char rd_max; /* inclusive */
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};
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struct icst_vco {
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unsigned short v;
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unsigned char r;
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unsigned char s;
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};
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#endif
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@ -16,23 +16,10 @@
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#ifndef ASMARM_HARDWARE_ICST307_H
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#define ASMARM_HARDWARE_ICST307_H
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struct icst307_params {
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unsigned long ref;
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unsigned long vco_max; /* inclusive */
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unsigned short vd_min; /* inclusive */
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unsigned short vd_max; /* inclusive */
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unsigned char rd_min; /* inclusive */
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unsigned char rd_max; /* inclusive */
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};
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#include <asm/hardware/icst.h>
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struct icst307_vco {
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unsigned short v;
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unsigned char r;
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unsigned char s;
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};
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unsigned long icst307_khz(const struct icst307_params *p, struct icst307_vco vco);
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struct icst307_vco icst307_khz_to_vco(const struct icst307_params *p, unsigned long freq);
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struct icst307_vco icst307_ps_to_vco(const struct icst307_params *p, unsigned long period);
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unsigned long icst307_khz(const struct icst_params *p, struct icst_vco vco);
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struct icst_vco icst307_khz_to_vco(const struct icst_params *p, unsigned long freq);
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struct icst_vco icst307_ps_to_vco(const struct icst_params *p, unsigned long period);
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#endif
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@ -14,23 +14,10 @@
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#ifndef ASMARM_HARDWARE_ICST525_H
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#define ASMARM_HARDWARE_ICST525_H
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struct icst525_params {
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unsigned long ref;
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unsigned long vco_max; /* inclusive */
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unsigned short vd_min; /* inclusive */
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unsigned short vd_max; /* inclusive */
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unsigned char rd_min; /* inclusive */
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unsigned char rd_max; /* inclusive */
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};
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#include <asm/hardware/icst.h>
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struct icst525_vco {
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unsigned short v;
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unsigned char r;
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unsigned char s;
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};
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unsigned long icst525_khz(const struct icst525_params *p, struct icst525_vco vco);
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struct icst525_vco icst525_khz_to_vco(const struct icst525_params *p, unsigned long freq);
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struct icst525_vco icst525_ps_to_vco(const struct icst525_params *p, unsigned long period);
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unsigned long icst525_khz(const struct icst_params *p, struct icst_vco vco);
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struct icst_vco icst525_khz_to_vco(const struct icst_params *p, unsigned long freq);
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struct icst_vco icst525_ps_to_vco(const struct icst_params *p, unsigned long period);
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#endif
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@ -14,6 +14,7 @@
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#include <linux/clk.h>
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#include <linux/mutex.h>
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#include <asm/hardware/icst525.h>
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#include <asm/clkdev.h>
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#include <mach/clkdev.h>
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@ -36,7 +37,7 @@ EXPORT_SYMBOL(clk_get_rate);
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long clk_round_rate(struct clk *clk, unsigned long rate)
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{
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struct icst525_vco vco;
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struct icst_vco vco;
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vco = icst525_khz_to_vco(clk->params, rate / 1000);
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return icst525_khz(clk->params, vco) * 1000;
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}
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@ -47,7 +48,7 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
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int ret = -EIO;
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if (clk->setvco) {
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struct icst525_vco vco;
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struct icst_vco vco;
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vco = icst525_khz_to_vco(clk->params, rate / 1000);
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clk->rate = icst525_khz(clk->params, vco) * 1000;
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@ -31,7 +31,7 @@ static struct cpufreq_driver integrator_driver;
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#define CM_STAT IO_ADDRESS(INTEGRATOR_HDR_STAT)
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#define CM_LOCK IO_ADDRESS(INTEGRATOR_HDR_LOCK)
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static const struct icst525_params lclk_params = {
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static const struct icst_params lclk_params = {
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.ref = 24000,
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.vco_max = 320000,
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.vd_min = 8,
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@ -40,7 +40,7 @@ static const struct icst525_params lclk_params = {
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.rd_max = 24,
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};
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static const struct icst525_params cclk_params = {
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static const struct icst_params cclk_params = {
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.ref = 24000,
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.vco_max = 320000,
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.vd_min = 12,
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@ -54,7 +54,7 @@ static const struct icst525_params cclk_params = {
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*/
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static int integrator_verify_policy(struct cpufreq_policy *policy)
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{
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struct icst525_vco vco;
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struct icst_vco vco;
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cpufreq_verify_within_limits(policy,
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policy->cpuinfo.min_freq,
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@ -80,7 +80,7 @@ static int integrator_set_target(struct cpufreq_policy *policy,
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{
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cpumask_t cpus_allowed;
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int cpu = policy->cpu;
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struct icst525_vco vco;
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struct icst_vco vco;
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struct cpufreq_freqs freqs;
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u_int cm_osc;
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@ -156,7 +156,7 @@ static unsigned int integrator_get(unsigned int cpu)
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cpumask_t cpus_allowed;
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unsigned int current_freq;
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u_int cm_osc;
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struct icst525_vco vco;
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struct icst_vco vco;
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cpus_allowed = current->cpus_allowed;
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@ -40,7 +40,7 @@ struct impd1_module {
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struct clk_lookup *clks[3];
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};
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static const struct icst525_params impd1_vco_params = {
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static const struct icst_params impd1_vco_params = {
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.ref = 24000, /* 24 MHz */
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.vco_max = 200000, /* 200 MHz */
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.vd_min = 12,
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.rd_max = 120,
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};
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static void impd1_setvco(struct clk *clk, struct icst525_vco vco)
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static void impd1_setvco(struct clk *clk, struct icst_vco vco)
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{
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struct impd1_module *impd1 = clk->data;
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int vconr = clk - impd1->vcos;
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@ -2,14 +2,14 @@
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#define __ASM_MACH_CLKDEV_H
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#include <linux/module.h>
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#include <asm/hardware/icst525.h>
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#include <asm/hardware/icst.h>
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struct clk {
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unsigned long rate;
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struct module *owner;
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const struct icst525_params *params;
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const struct icst_params *params;
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void *data;
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void (*setvco)(struct clk *, struct icst525_vco vco);
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void (*setvco)(struct clk *, struct icst_vco vco);
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};
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static inline int __clk_get(struct clk *clk)
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@ -268,7 +268,7 @@ static void __init intcp_init_irq(void)
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#define CM_LOCK IO_ADDRESS(INTEGRATOR_HDR_LOCK)
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#define CM_AUXOSC IO_ADDRESS(INTEGRATOR_HDR_BASE + 0x1c)
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static const struct icst525_params cp_auxvco_params = {
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static const struct icst_params cp_auxvco_params = {
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.ref = 24000,
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.vco_max = 320000,
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.vd_min = 8,
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@ -277,7 +277,7 @@ static const struct icst525_params cp_auxvco_params = {
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.rd_max = 65,
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};
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static void cp_auxvco_set(struct clk *clk, struct icst525_vco vco)
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static void cp_auxvco_set(struct clk *clk, struct icst_vco vco)
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{
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u32 val;
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@ -41,7 +41,7 @@ EXPORT_SYMBOL(clk_get_rate);
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long clk_round_rate(struct clk *clk, unsigned long rate)
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{
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struct icst307_vco vco;
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struct icst_vco vco;
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vco = icst307_khz_to_vco(clk->params, rate / 1000);
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return icst307_khz(clk->params, vco) * 1000;
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}
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@ -52,7 +52,7 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
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int ret = -EIO;
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if (clk->setvco) {
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struct icst307_vco vco;
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struct icst_vco vco;
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vco = icst307_khz_to_vco(clk->params, rate / 1000);
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clk->rate = icst307_khz(clk->params, vco) * 1000;
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@ -8,12 +8,13 @@
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <asm/hardware/icst.h>
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struct module;
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struct icst307_params;
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struct clk {
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unsigned long rate;
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const struct icst307_params *params;
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const struct icst_params *params;
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void *data;
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void (*setvco)(struct clk *, struct icst307_vco vco);
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void (*setvco)(struct clk *, struct icst_vco vco);
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};
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@ -273,7 +273,7 @@ struct mmci_platform_data realview_mmc1_plat_data = {
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/*
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* Clock handling
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*/
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static const struct icst307_params realview_oscvco_params = {
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static const struct icst_params realview_oscvco_params = {
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.ref = 24000,
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.vco_max = 200000,
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.vd_min = 4 + 8,
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.rd_max = 127 + 2,
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};
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static void realview_oscvco_set(struct clk *clk, struct icst307_vco vco)
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static void realview_oscvco_set(struct clk *clk, struct icst_vco vco)
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{
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void __iomem *sys_lock = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_LOCK_OFFSET;
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void __iomem *sys_osc;
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@ -42,7 +42,7 @@ EXPORT_SYMBOL(clk_get_rate);
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long clk_round_rate(struct clk *clk, unsigned long rate)
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{
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struct icst307_vco vco;
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struct icst_vco vco;
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vco = icst307_khz_to_vco(clk->params, rate / 1000);
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return icst307_khz(clk->params, vco) * 1000;
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}
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@ -53,7 +53,7 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
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int ret = -EIO;
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if (clk->setvco) {
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struct icst307_vco vco;
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struct icst_vco vco;
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vco = icst307_khz_to_vco(clk->params, rate / 1000);
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clk->rate = icst307_khz(clk->params, vco) * 1000;
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@ -8,13 +8,14 @@
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <asm/hardware/icst.h>
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struct module;
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struct icst307_params;
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struct clk {
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unsigned long rate;
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const struct icst307_params *params;
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const struct icst_params *params;
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u32 oscoff;
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void *data;
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void (*setvco)(struct clk *, struct icst307_vco vco);
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void (*setvco)(struct clk *, struct icst_vco vco);
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};
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@ -379,7 +379,7 @@ static struct mmci_platform_data mmc0_plat_data = {
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/*
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* Clock handling
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*/
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static const struct icst307_params versatile_oscvco_params = {
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static const struct icst_params versatile_oscvco_params = {
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.ref = 24000,
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.vco_max = 200000,
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.vd_min = 4 + 8,
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@ -388,7 +388,7 @@ static const struct icst307_params versatile_oscvco_params = {
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.rd_max = 127 + 2,
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};
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static void versatile_oscvco_set(struct clk *clk, struct icst307_vco vco)
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static void versatile_oscvco_set(struct clk *clk, struct icst_vco vco)
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{
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void __iomem *sys = __io_address(VERSATILE_SYS_BASE);
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void __iomem *sys_lock = sys + VERSATILE_SYS_LOCK_OFFSET;
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