linux/drivers/video/fbdev/matrox/g450_pll.c

/*
 *
 * Hardware accelerated Matrox PCI cards - G450/G550 PLL control.
 *
 * (c) 2001-2002 Petr Vandrovec <[email protected]>
 *
 * Portions Copyright (c) 2001 Matrox Graphics Inc.
 *
 * Version: 1.64 2002/06/10
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License. See the file COPYING in the main directory of this archive for
 * more details.
 *
 */

#include "g450_pll.h"
#include "matroxfb_DAC1064.h"

static inline unsigned int g450_vco2f(unsigned char p, unsigned int fvco) { … }

static inline unsigned int g450_f2vco(unsigned char p, unsigned int fin) { … }

static unsigned int g450_mnp2vco(const struct matrox_fb_info *minfo,
				 unsigned int mnp)
{ … }

unsigned int g450_mnp2f(const struct matrox_fb_info *minfo, unsigned int mnp)
{ … }

static inline unsigned int pll_freq_delta(unsigned int f1, unsigned int f2) { … }

#define NO_MORE_MNP …
#define G450_MNP_FREQBITS …

static unsigned int g450_nextpll(const struct matrox_fb_info *minfo,
				 const struct matrox_pll_limits *pi,
				 unsigned int *fvco, unsigned int mnp)
{ … }

static unsigned int g450_firstpll(const struct matrox_fb_info *minfo,
				  const struct matrox_pll_limits *pi,
				  unsigned int *vco, unsigned int fout)
{ … }

static inline unsigned int g450_setpll(const struct matrox_fb_info *minfo,
				       unsigned int mnp, unsigned int pll)
{ … }

static inline unsigned int g450_cmppll(const struct matrox_fb_info *minfo,
				       unsigned int mnp, unsigned int pll)
{ … }

static inline int g450_isplllocked(const struct matrox_fb_info *minfo,
				   unsigned int regidx)
{ … }

static int g450_testpll(const struct matrox_fb_info *minfo, unsigned int mnp,
			unsigned int pll)
{ … }

static void updatehwstate_clk(struct matrox_hw_state* hw, unsigned int mnp, unsigned int pll) { … }

void matroxfb_g450_setpll_cond(struct matrox_fb_info *minfo, unsigned int mnp,
			       unsigned int pll)
{ … }

static inline unsigned int g450_findworkingpll(struct matrox_fb_info *minfo,
					       unsigned int pll,
					       unsigned int *mnparray,
					       unsigned int mnpcount)
{ … }

static void g450_addcache(struct matrox_pll_cache* ci, unsigned int mnp_key, unsigned int mnp_value) { … }

static int g450_checkcache(struct matrox_fb_info *minfo,
			   struct matrox_pll_cache *ci, unsigned int mnp_key)
{ … }

static int __g450_setclk(struct matrox_fb_info *minfo, unsigned int fout,
			 unsigned int pll, unsigned int *mnparray,
			 unsigned int *deltaarray)
{ … }

/* It must be greater than number of possible PLL values.
 * Currently there is 5(p) * 10(m) = 50 possible values. */
#define MNP_TABLE_SIZE …

int matroxfb_g450_setclk(struct matrox_fb_info *minfo, unsigned int fout,
			 unsigned int pll)
{ … }

EXPORT_SYMBOL(…);
EXPORT_SYMBOL(…);
EXPORT_SYMBOL(…);

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;

MODULE_LICENSE(…) …;