linux/drivers/video/fbdev/matrox/matroxfb_DAC1064.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 *
 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450.
 *
 * (c) 1998-2002 Petr Vandrovec <[email protected]>
 *
 * Portions Copyright (c) 2001 Matrox Graphics Inc.
 *
 * Version: 1.65 2002/08/14
 *
 * See matroxfb_base.c for contributors.
 *
 */


#include "matroxfb_DAC1064.h"
#include "matroxfb_misc.h"
#include "matroxfb_accel.h"
#include "g450_pll.h"
#include <linux/matroxfb.h>

#ifdef NEED_DAC1064
#define outDAC1064 …
#define inDAC1064 …

#define DAC1064_OPT_SCLK_PCI …
#define DAC1064_OPT_SCLK_PLL …
#define DAC1064_OPT_SCLK_EXT …
#define DAC1064_OPT_SCLK_MASK …
#define DAC1064_OPT_GDIV1 …
#define DAC1064_OPT_GDIV3 …
#define DAC1064_OPT_MDIV1 …
#define DAC1064_OPT_MDIV2 …
#define DAC1064_OPT_RESERVED …

static void DAC1064_calcclock(const struct matrox_fb_info *minfo,
			      unsigned int freq, unsigned int fmax,
			      unsigned int *in, unsigned int *feed,
			      unsigned int *post)
{ … }

/* they must be in POS order */
static const unsigned char MGA1064_DAC_regs[] = …;

static const unsigned char MGA1064_DAC[] = …;

static void DAC1064_setpclk(struct matrox_fb_info *minfo, unsigned long fout)
{ … }

static void DAC1064_setmclk(struct matrox_fb_info *minfo, int oscinfo,
			    unsigned long fmem)
{ … }

#ifdef CONFIG_FB_MATROX_G
static void g450_set_plls(struct matrox_fb_info *minfo)
{ … }
#endif

void DAC1064_global_init(struct matrox_fb_info *minfo)
{ … }

void DAC1064_global_restore(struct matrox_fb_info *minfo)
{ … }

static int DAC1064_init_1(struct matrox_fb_info *minfo, struct my_timming *m)
{ … }

static int DAC1064_init_2(struct matrox_fb_info *minfo, struct my_timming *m)
{ … }

static void DAC1064_restore_1(struct matrox_fb_info *minfo)
{
	struct matrox_hw_state *hw = &minfo->hw;

	CRITFLAGS

	DBG(__func__)

	CRITBEGIN

	if ((inDAC1064(minfo, DAC1064_XSYSPLLM) != hw->DACclk[3]) ||
	    (inDAC1064(minfo, DAC1064_XSYSPLLN) != hw->DACclk[4]) ||
	    (inDAC1064(minfo, DAC1064_XSYSPLLP) != hw->DACclk[5])) {
		outDAC1064(minfo, DAC1064_XSYSPLLM, hw->DACclk[3]);
		outDAC1064(minfo, DAC1064_XSYSPLLN, hw->DACclk[4]);
		outDAC1064(minfo, DAC1064_XSYSPLLP, hw->DACclk[5]);
	}
	{
		unsigned int i;

		for (i = 0; i < sizeof(MGA1064_DAC_regs); i++) {
			if ((i != POS1064_XPIXCLKCTRL) && (i != POS1064_XMISCCTRL))
				outDAC1064(minfo, MGA1064_DAC_regs[i], hw->DACreg[i]);
		}
	}

	DAC1064_global_restore(minfo);

	CRITEND
};

static void DAC1064_restore_2(struct matrox_fb_info *minfo)
{ … }

static int m1064_compute(void* out, struct my_timming* m) { … }

static struct matrox_altout m1064 = …;

#ifdef CONFIG_FB_MATROX_G
static int g450_compute(void* out, struct my_timming* m) { … }

static struct matrox_altout g450out = …;
#endif

#endif /* NEED_DAC1064 */

#ifdef CONFIG_FB_MATROX_MYSTIQUE
static int MGA1064_init(struct matrox_fb_info *minfo, struct my_timming *m)
{ … }
#endif

#ifdef CONFIG_FB_MATROX_G
static int MGAG100_init(struct matrox_fb_info *minfo, struct my_timming *m)
{ … }
#endif	/* G */

#ifdef CONFIG_FB_MATROX_MYSTIQUE
static void MGA1064_ramdac_init(struct matrox_fb_info *minfo)
{ … }
#endif

#ifdef CONFIG_FB_MATROX_G
/* BIOS environ */
static int x7AF4 = …;	/* flags, maybe 0x10 = SDRAM, 0x00 = SGRAM??? */
				/* G100 wants 0x10, G200 SGRAM does not care... */
#if 0
static int def50 = 0;	/* reg50, & 0x0F, & 0x3000 (only 0x0000, 0x1000, 0x2000 (0x3000 disallowed and treated as 0) */
#endif

static void MGAG100_progPixClock(const struct matrox_fb_info *minfo, int flags,
				 int m, int n, int p)
{ … }

static void MGAG100_setPixClock(const struct matrox_fb_info *minfo, int flags,
				int freq)
{ … }
#endif

#ifdef CONFIG_FB_MATROX_MYSTIQUE
static int MGA1064_preinit(struct matrox_fb_info *minfo)
{ … }

static void MGA1064_reset(struct matrox_fb_info *minfo)
{ … }
#endif

#ifdef CONFIG_FB_MATROX_G
static void g450_mclk_init(struct matrox_fb_info *minfo)
{ … }

static void g450_memory_init(struct matrox_fb_info *minfo)
{ … }

static void g450_preinit(struct matrox_fb_info *minfo)
{ … }

static int MGAG100_preinit(struct matrox_fb_info *minfo)
{ … }

static void MGAG100_reset(struct matrox_fb_info *minfo)
{ … }
#endif

#ifdef CONFIG_FB_MATROX_MYSTIQUE
static void MGA1064_restore(struct matrox_fb_info *minfo)
{ … }
#endif

#ifdef CONFIG_FB_MATROX_G
static void MGAG100_restore(struct matrox_fb_info *minfo)
{ … }
#endif

#ifdef CONFIG_FB_MATROX_MYSTIQUE
struct matrox_switch matrox_mystique = …;
EXPORT_SYMBOL(…);
#endif

#ifdef CONFIG_FB_MATROX_G
struct matrox_switch matrox_G100 = …;
EXPORT_SYMBOL(…);
#endif

#ifdef NEED_DAC1064
EXPORT_SYMBOL(…);
EXPORT_SYMBOL(…);
#endif
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;