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ARM: ICST: merge common ICST VCO structures

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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:
Russell King 2010-01-16 16:27:28 +00:00
parent b830b9b5b3
commit 39c0cb02db
16 changed files with 85 additions and 76 deletions
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14
arch/arm/common/icst307.c
View file

@ -24,7 +24,7 @@
*/
static unsigned char s2div[8] = { 10, 2, 8, 4, 5, 7, 3, 6 };
unsigned long icst307_khz(const struct icst307_params *p, struct icst307_vco vco)
unsigned long icst307_khz(const struct icst_params *p, struct icst_vco vco)
{
return p->ref * 2 * (vco.v + 8) / ((vco.r + 2) * s2div[vco.s]);
}
@ -36,10 +36,10 @@ EXPORT_SYMBOL(icst307_khz);
*/
static unsigned char idx2s[8] = { 1, 6, 3, 4, 7, 5, 2, 0 };
struct icst307_vco
icst307_khz_to_vco(const struct icst307_params *p, unsigned long freq)
struct icst_vco
icst307_khz_to_vco(const struct icst_params *p, unsigned long freq)
{
struct icst307_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
struct icst_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
unsigned long f;
unsigned int i = 0, rd, best = (unsigned int)-1;
@ -96,10 +96,10 @@ icst307_khz_to_vco(const struct icst307_params *p, unsigned long freq)
EXPORT_SYMBOL(icst307_khz_to_vco);
struct icst307_vco
icst307_ps_to_vco(const struct icst307_params *p, unsigned long period)
struct icst_vco
icst307_ps_to_vco(const struct icst_params *p, unsigned long period)
{
struct icst307_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
struct icst_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
unsigned long f, ps;
unsigned int i = 0, rd, best = (unsigned int)-1;

14
arch/arm/common/icst525.c
View file

@ -21,7 +21,7 @@
*/
static unsigned char s2div[8] = { 10, 2, 8, 4, 5, 7, 9, 6 };
unsigned long icst525_khz(const struct icst525_params *p, struct icst525_vco vco)
unsigned long icst525_khz(const struct icst_params *p, struct icst_vco vco)
{
return p->ref * 2 * (vco.v + 8) / ((vco.r + 2) * s2div[vco.s]);
}
@ -33,10 +33,10 @@ EXPORT_SYMBOL(icst525_khz);
*/
static unsigned char idx2s[] = { 1, 3, 4, 7, 5, 2, 6, 0 };
struct icst525_vco
icst525_khz_to_vco(const struct icst525_params *p, unsigned long freq)
struct icst_vco
icst525_khz_to_vco(const struct icst_params *p, unsigned long freq)
{
struct icst525_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
struct icst_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
unsigned long f;
unsigned int i = 0, rd, best = (unsigned int)-1;
@ -94,10 +94,10 @@ icst525_khz_to_vco(const struct icst525_params *p, unsigned long freq)
EXPORT_SYMBOL(icst525_khz_to_vco);
struct icst525_vco
icst525_ps_to_vco(const struct icst525_params *p, unsigned long period)
struct icst_vco
icst525_ps_to_vco(const struct icst_params *p, unsigned long period)
{
struct icst525_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
struct icst_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
unsigned long f, ps;
unsigned int i = 0, rd, best = (unsigned int)-1;

32
arch/arm/include/asm/hardware/icst.h Normal file
View file

@ -0,0 +1,32 @@
/*
* arch/arm/include/asm/hardware/icst.h
*
* Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
*
* 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.
*
* Support functions for calculating clocks/divisors for the ICST
* clock generators. See http://www.icst.com/ for more information
* on these devices.
*/
#ifndef ASMARM_HARDWARE_ICST_H
#define ASMARM_HARDWARE_ICST_H
struct icst_params {
unsigned long ref;
unsigned long vco_max; /* inclusive */
unsigned short vd_min; /* inclusive */
unsigned short vd_max; /* inclusive */
unsigned char rd_min; /* inclusive */
unsigned char rd_max; /* inclusive */
};
struct icst_vco {
unsigned short v;
unsigned char r;
unsigned char s;
};
#endif

21
arch/arm/include/asm/hardware/icst307.h
View file

@ -16,23 +16,10 @@
#ifndef ASMARM_HARDWARE_ICST307_H
#define ASMARM_HARDWARE_ICST307_H
struct icst307_params {
unsigned long ref;
unsigned long vco_max; /* inclusive */
unsigned short vd_min; /* inclusive */
unsigned short vd_max; /* inclusive */
unsigned char rd_min; /* inclusive */
unsigned char rd_max; /* inclusive */
};
#include <asm/hardware/icst.h>
struct icst307_vco {
unsigned short v;
unsigned char r;
unsigned char s;
};
unsigned long icst307_khz(const struct icst307_params *p, struct icst307_vco vco);
struct icst307_vco icst307_khz_to_vco(const struct icst307_params *p, unsigned long freq);
struct icst307_vco icst307_ps_to_vco(const struct icst307_params *p, unsigned long period);
unsigned long icst307_khz(const struct icst_params *p, struct icst_vco vco);
struct icst_vco icst307_khz_to_vco(const struct icst_params *p, unsigned long freq);
struct icst_vco icst307_ps_to_vco(const struct icst_params *p, unsigned long period);
#endif

21
arch/arm/include/asm/hardware/icst525.h
View file

@ -14,23 +14,10 @@
#ifndef ASMARM_HARDWARE_ICST525_H
#define ASMARM_HARDWARE_ICST525_H
struct icst525_params {
unsigned long ref;
unsigned long vco_max; /* inclusive */
unsigned short vd_min; /* inclusive */
unsigned short vd_max; /* inclusive */
unsigned char rd_min; /* inclusive */
unsigned char rd_max; /* inclusive */
};
#include <asm/hardware/icst.h>
struct icst525_vco {
unsigned short v;
unsigned char r;
unsigned char s;
};
unsigned long icst525_khz(const struct icst525_params *p, struct icst525_vco vco);
struct icst525_vco icst525_khz_to_vco(const struct icst525_params *p, unsigned long freq);
struct icst525_vco icst525_ps_to_vco(const struct icst525_params *p, unsigned long period);
unsigned long icst525_khz(const struct icst_params *p, struct icst_vco vco);
struct icst_vco icst525_khz_to_vco(const struct icst_params *p, unsigned long freq);
struct icst_vco icst525_ps_to_vco(const struct icst_params *p, unsigned long period);
#endif

5
arch/arm/mach-integrator/clock.c
View file

@ -14,6 +14,7 @@
#include <linux/clk.h>
#include <linux/mutex.h>
#include <asm/hardware/icst525.h>
#include <asm/clkdev.h>
#include <mach/clkdev.h>
@ -36,7 +37,7 @@ EXPORT_SYMBOL(clk_get_rate);
long clk_round_rate(struct clk *clk, unsigned long rate)
{
struct icst525_vco vco;
struct icst_vco vco;
vco = icst525_khz_to_vco(clk->params, rate / 1000);
return icst525_khz(clk->params, vco) * 1000;
}
@ -47,7 +48,7 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
int ret = -EIO;
if (clk->setvco) {
struct icst525_vco vco;
struct icst_vco vco;
vco = icst525_khz_to_vco(clk->params, rate / 1000);
clk->rate = icst525_khz(clk->params, vco) * 1000;

10
arch/arm/mach-integrator/cpu.c
View file

@ -31,7 +31,7 @@ static struct cpufreq_driver integrator_driver;
#define CM_STAT IO_ADDRESS(INTEGRATOR_HDR_STAT)
#define CM_LOCK IO_ADDRESS(INTEGRATOR_HDR_LOCK)
static const struct icst525_params lclk_params = {
static const struct icst_params lclk_params = {
.ref = 24000,
.vco_max = 320000,
.vd_min = 8,
@ -40,7 +40,7 @@ static const struct icst525_params lclk_params = {
.rd_max = 24,
};
static const struct icst525_params cclk_params = {
static const struct icst_params cclk_params = {
.ref = 24000,
.vco_max = 320000,
.vd_min = 12,
@ -54,7 +54,7 @@ static const struct icst525_params cclk_params = {
*/
static int integrator_verify_policy(struct cpufreq_policy *policy)
{
struct icst525_vco vco;
struct icst_vco vco;
cpufreq_verify_within_limits(policy,
policy->cpuinfo.min_freq,
@ -80,7 +80,7 @@ static int integrator_set_target(struct cpufreq_policy *policy,
{
cpumask_t cpus_allowed;
int cpu = policy->cpu;
struct icst525_vco vco;
struct icst_vco vco;
struct cpufreq_freqs freqs;
u_int cm_osc;
@ -156,7 +156,7 @@ static unsigned int integrator_get(unsigned int cpu)
cpumask_t cpus_allowed;
unsigned int current_freq;
u_int cm_osc;
struct icst525_vco vco;
struct icst_vco vco;
cpus_allowed = current->cpus_allowed;

4
arch/arm/mach-integrator/impd1.c
View file

@ -40,7 +40,7 @@ struct impd1_module {
struct clk_lookup *clks[3];
};
static const struct icst525_params impd1_vco_params = {
static const struct icst_params impd1_vco_params = {
.ref = 24000, /* 24 MHz */
.vco_max = 200000, /* 200 MHz */
.vd_min = 12,
@ -49,7 +49,7 @@ static const struct icst525_params impd1_vco_params = {
.rd_max = 120,
};
static void impd1_setvco(struct clk *clk, struct icst525_vco vco)
static void impd1_setvco(struct clk *clk, struct icst_vco vco)
{
struct impd1_module *impd1 = clk->data;
int vconr = clk - impd1->vcos;

6
arch/arm/mach-integrator/include/mach/clkdev.h
View file

@ -2,14 +2,14 @@
#define __ASM_MACH_CLKDEV_H
#include <linux/module.h>
#include <asm/hardware/icst525.h>
#include <asm/hardware/icst.h>
struct clk {
unsigned long rate;
struct module *owner;
const struct icst525_params *params;
const struct icst_params *params;
void *data;
void (*setvco)(struct clk *, struct icst525_vco vco);
void (*setvco)(struct clk *, struct icst_vco vco);
};
static inline int __clk_get(struct clk *clk)

4
arch/arm/mach-integrator/integrator_cp.c
View file

@ -268,7 +268,7 @@ static void __init intcp_init_irq(void)
#define CM_LOCK IO_ADDRESS(INTEGRATOR_HDR_LOCK)
#define CM_AUXOSC IO_ADDRESS(INTEGRATOR_HDR_BASE + 0x1c)
static const struct icst525_params cp_auxvco_params = {
static const struct icst_params cp_auxvco_params = {
.ref = 24000,
.vco_max = 320000,
.vd_min = 8,
@ -277,7 +277,7 @@ static const struct icst525_params cp_auxvco_params = {
.rd_max = 65,
};
static void cp_auxvco_set(struct clk *clk, struct icst525_vco vco)
static void cp_auxvco_set(struct clk *clk, struct icst_vco vco)
{
u32 val;

4
arch/arm/mach-realview/clock.c
View file

@ -41,7 +41,7 @@ EXPORT_SYMBOL(clk_get_rate);
long clk_round_rate(struct clk *clk, unsigned long rate)
{
struct icst307_vco vco;
struct icst_vco vco;
vco = icst307_khz_to_vco(clk->params, rate / 1000);
return icst307_khz(clk->params, vco) * 1000;
}
@ -52,7 +52,7 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
int ret = -EIO;
if (clk->setvco) {
struct icst307_vco vco;
struct icst_vco vco;
vco = icst307_khz_to_vco(clk->params, rate / 1000);
clk->rate = icst307_khz(clk->params, vco) * 1000;

7
arch/arm/mach-realview/clock.h
View file

@ -8,12 +8,13 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <asm/hardware/icst.h>
struct module;
struct icst307_params;
struct clk {
unsigned long rate;
const struct icst307_params *params;
const struct icst_params *params;
void *data;
void (*setvco)(struct clk *, struct icst307_vco vco);
void (*setvco)(struct clk *, struct icst_vco vco);
};

4
arch/arm/mach-realview/core.c
View file

@ -273,7 +273,7 @@ struct mmci_platform_data realview_mmc1_plat_data = {
/*
* Clock handling
*/
static const struct icst307_params realview_oscvco_params = {
static const struct icst_params realview_oscvco_params = {
.ref = 24000,
.vco_max = 200000,
.vd_min = 4 + 8,
@ -282,7 +282,7 @@ static const struct icst307_params realview_oscvco_params = {
.rd_max = 127 + 2,
};
static void realview_oscvco_set(struct clk *clk, struct icst307_vco vco)
static void realview_oscvco_set(struct clk *clk, struct icst_vco vco)
{
void __iomem *sys_lock = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_LOCK_OFFSET;
void __iomem *sys_osc;

4
arch/arm/mach-versatile/clock.c
View file

@ -42,7 +42,7 @@ EXPORT_SYMBOL(clk_get_rate);
long clk_round_rate(struct clk *clk, unsigned long rate)
{
struct icst307_vco vco;
struct icst_vco vco;
vco = icst307_khz_to_vco(clk->params, rate / 1000);
return icst307_khz(clk->params, vco) * 1000;
}
@ -53,7 +53,7 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
int ret = -EIO;
if (clk->setvco) {
struct icst307_vco vco;
struct icst_vco vco;
vco = icst307_khz_to_vco(clk->params, rate / 1000);
clk->rate = icst307_khz(clk->params, vco) * 1000;

7
arch/arm/mach-versatile/clock.h
View file

@ -8,13 +8,14 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <asm/hardware/icst.h>
struct module;
struct icst307_params;
struct clk {
unsigned long rate;
const struct icst307_params *params;
const struct icst_params *params;
u32 oscoff;
void *data;
void (*setvco)(struct clk *, struct icst307_vco vco);
void (*setvco)(struct clk *, struct icst_vco vco);
};

4
arch/arm/mach-versatile/core.c
View file

@ -379,7 +379,7 @@ static struct mmci_platform_data mmc0_plat_data = {
/*
* Clock handling
*/
static const struct icst307_params versatile_oscvco_params = {
static const struct icst_params versatile_oscvco_params = {
.ref = 24000,
.vco_max = 200000,
.vd_min = 4 + 8,
@ -388,7 +388,7 @@ static const struct icst307_params versatile_oscvco_params = {
.rd_max = 127 + 2,
};
static void versatile_oscvco_set(struct clk *clk, struct icst307_vco vco)
static void versatile_oscvco_set(struct clk *clk, struct icst_vco vco)
{
void __iomem *sys = __io_address(VERSATILE_SYS_BASE);
void __iomem *sys_lock = sys + VERSATILE_SYS_LOCK_OFFSET;