linux/drivers/ssb/driver_chipcommon_pmu.c

/*
 * Sonics Silicon Backplane
 * Broadcom ChipCommon Power Management Unit driver
 *
 * Copyright 2009, Michael Buesch <[email protected]>
 * Copyright 2007, Broadcom Corporation
 *
 * Licensed under the GNU/GPL. See COPYING for details.
 */

#include "ssb_private.h"

#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_regs.h>
#include <linux/ssb/ssb_driver_chipcommon.h>
#include <linux/delay.h>
#include <linux/export.h>
#ifdef CONFIG_BCM47XX
#include <linux/bcm47xx_nvram.h>
#endif

static u32 ssb_chipco_pll_read(struct ssb_chipcommon *cc, u32 offset)
{ … }

static void ssb_chipco_pll_write(struct ssb_chipcommon *cc,
				 u32 offset, u32 value)
{ … }

static void ssb_chipco_regctl_maskset(struct ssb_chipcommon *cc,
				   u32 offset, u32 mask, u32 set)
{ … }

struct pmu0_plltab_entry { … };

static const struct pmu0_plltab_entry pmu0_plltab[] = …;
#define SSB_PMU0_DEFAULT_XTALFREQ …

static const struct pmu0_plltab_entry * pmu0_plltab_find_entry(u32 crystalfreq)
{ … }

/* Tune the PLL to the crystal speed. crystalfreq is in kHz. */
static void ssb_pmu0_pllinit_r0(struct ssb_chipcommon *cc,
				u32 crystalfreq)
{ … }

struct pmu1_plltab_entry { … };

static const struct pmu1_plltab_entry pmu1_plltab[] = …;

#define SSB_PMU1_DEFAULT_XTALFREQ …

static const struct pmu1_plltab_entry * pmu1_plltab_find_entry(u32 crystalfreq)
{ … }

/* Tune the PLL to the crystal speed. crystalfreq is in kHz. */
static void ssb_pmu1_pllinit_r0(struct ssb_chipcommon *cc,
				u32 crystalfreq)
{ … }

static void ssb_pmu_pll_init(struct ssb_chipcommon *cc)
{ … }

struct pmu_res_updown_tab_entry { … };

enum pmu_res_depend_tab_task { … };

struct pmu_res_depend_tab_entry { … };

static const struct pmu_res_updown_tab_entry pmu_res_updown_tab_4328a0[] = …;

static const struct pmu_res_depend_tab_entry pmu_res_depend_tab_4328a0[] = …;

static const struct pmu_res_updown_tab_entry pmu_res_updown_tab_4325a0[] = …;

static const struct pmu_res_depend_tab_entry pmu_res_depend_tab_4325a0[] = …;

static void ssb_pmu_resources_init(struct ssb_chipcommon *cc)
{ … }

/* https://bcm-v4.sipsolutions.net/802.11/SSB/PmuInit */
void ssb_pmu_init(struct ssb_chipcommon *cc)
{ … }

void ssb_pmu_set_ldo_voltage(struct ssb_chipcommon *cc,
			     enum ssb_pmu_ldo_volt_id id, u32 voltage)
{ … }

void ssb_pmu_set_ldo_paref(struct ssb_chipcommon *cc, bool on)
{ … }

EXPORT_SYMBOL(…);
EXPORT_SYMBOL(…);

static u32 ssb_pmu_get_alp_clock_clk0(struct ssb_chipcommon *cc)
{ … }

u32 ssb_pmu_get_alp_clock(struct ssb_chipcommon *cc)
{ … }

u32 ssb_pmu_get_cpu_clock(struct ssb_chipcommon *cc)
{ … }

u32 ssb_pmu_get_controlclock(struct ssb_chipcommon *cc)
{ … }

void ssb_pmu_spuravoid_pllupdate(struct ssb_chipcommon *cc, int spuravoid)
{ … }
EXPORT_SYMBOL_GPL(…);