Beispiel #1
0
static void
setPLL_double_highregs(struct nv04_clock_priv *priv, u32 reg1,
		       struct nouveau_pll_vals *pv)
{
	int chip_version = nouveau_bios(priv)->version.chip;
	bool nv3035 = chip_version == 0x30 || chip_version == 0x35;
	uint32_t reg2 = reg1 + ((reg1 == 0x680520) ? 0x5c : 0x70);
	uint32_t oldpll1 = nv_rd32(priv, reg1);
	uint32_t oldpll2 = !nv3035 ? nv_rd32(priv, reg2) : 0;
	uint32_t pll1 = (oldpll1 & 0xfff80000) | pv->log2P << 16 | pv->NM1;
	uint32_t pll2 = (oldpll2 & 0x7fff0000) | 1 << 31 | pv->NM2;
	uint32_t oldramdac580 = 0, ramdac580 = 0;
	bool single_stage = !pv->NM2 || pv->N2 == pv->M2;	/* nv41+ only */
	uint32_t saved_powerctrl_1 = 0, savedc040 = 0;
	int shift_powerctrl_1 = powerctrl_1_shift(chip_version, reg1);

	/* model specific additions to generic pll1 and pll2 set up above */
	if (nv3035) {
		pll1 = (pll1 & 0xfcc7ffff) | (pv->N2 & 0x18) << 21 |
		       (pv->N2 & 0x7) << 19 | 8 << 4 | (pv->M2 & 7) << 4;
		pll2 = 0;
	}
	if (chip_version > 0x40 && reg1 >= 0x680508) { /* !nv40 */
		oldramdac580 = nv_rd32(priv, 0x680580);
		ramdac580 = new_ramdac580(reg1, single_stage, oldramdac580);
		if (oldramdac580 != ramdac580)
			oldpll1 = ~0;	/* force mismatch */
		if (single_stage)
			/* magic value used by nvidia in single stage mode */
			pll2 |= 0x011f;
	}
	if (chip_version > 0x70)
		/* magic bits set by the blob (but not the bios) on g71-73 */
		pll1 = (pll1 & 0x7fffffff) | (single_stage ? 0x4 : 0xc) << 28;

	if (oldpll1 == pll1 && oldpll2 == pll2)
		return;	/* already set */

	if (shift_powerctrl_1 >= 0) {
		saved_powerctrl_1 = nv_rd32(priv, 0x001584);
		nv_wr32(priv, 0x001584,
			(saved_powerctrl_1 & ~(0xf << shift_powerctrl_1)) |
			1 << shift_powerctrl_1);
	}

	if (chip_version >= 0x40) {
		int shift_c040 = 14;

		switch (reg1) {
		case 0x680504:
			shift_c040 += 2;
		case 0x680500:
			shift_c040 += 2;
		case 0x680520:
			shift_c040 += 2;
		case 0x680508:
			shift_c040 += 2;
		}

		savedc040 = nv_rd32(priv, 0xc040);
		if (shift_c040 != 14)
			nv_wr32(priv, 0xc040, savedc040 & ~(3 << shift_c040));
	}

	if (oldramdac580 != ramdac580)
		nv_wr32(priv, 0x680580, ramdac580);

	if (!nv3035)
		nv_wr32(priv, reg2, pll2);
	nv_wr32(priv, reg1, pll1);

	if (shift_powerctrl_1 >= 0)
		nv_wr32(priv, 0x001584, saved_powerctrl_1);
	if (chip_version >= 0x40)
		nv_wr32(priv, 0xc040, savedc040);
}
Beispiel #2
0
static void
setPLL_double_highregs(struct drm_device *dev, uint32_t reg1,
		       struct nouveau_pll_vals *pv)
{
	struct drm_nouveau_private *dev_priv = dev->dev_private;
	int chip_version = dev_priv->vbios.chip_version;
	bool nv3035 = chip_version == 0x30 || chip_version == 0x35;
	uint32_t reg2 = reg1 + ((reg1 == NV_RAMDAC_VPLL2) ? 0x5c : 0x70);
	uint32_t oldpll1 = NVReadRAMDAC(dev, 0, reg1);
	uint32_t oldpll2 = !nv3035 ? NVReadRAMDAC(dev, 0, reg2) : 0;
	uint32_t pll1 = (oldpll1 & 0xfff80000) | pv->log2P << 16 | pv->NM1;
	uint32_t pll2 = (oldpll2 & 0x7fff0000) | 1 << 31 | pv->NM2;
	uint32_t oldramdac580 = 0, ramdac580 = 0;
	bool single_stage = !pv->NM2 || pv->N2 == pv->M2;	/* nv41+ only */
	uint32_t saved_powerctrl_1 = 0, savedc040 = 0;
	int shift_powerctrl_1 = powerctrl_1_shift(chip_version, reg1);

	/* model specific additions to generic pll1 and pll2 set up above */
	if (nv3035) {
		pll1 = (pll1 & 0xfcc7ffff) | (pv->N2 & 0x18) << 21 |
		       (pv->N2 & 0x7) << 19 | 8 << 4 | (pv->M2 & 7) << 4;
		pll2 = 0;
	}
	if (chip_version > 0x40 && reg1 >= NV_PRAMDAC_VPLL_COEFF) { /* !nv40 */
		oldramdac580 = NVReadRAMDAC(dev, 0, NV_PRAMDAC_580);
		ramdac580 = new_ramdac580(reg1, single_stage, oldramdac580);
		if (oldramdac580 != ramdac580)
			oldpll1 = ~0;	/* force mismatch */
		if (single_stage)
			/* magic value used by nvidia in single stage mode */
			pll2 |= 0x011f;
	}
	if (chip_version > 0x70)
		/* magic bits set by the blob (but not the bios) on g71-73 */
		pll1 = (pll1 & 0x7fffffff) | (single_stage ? 0x4 : 0xc) << 28;

	if (oldpll1 == pll1 && oldpll2 == pll2)
		return;	/* already set */

	if (shift_powerctrl_1 >= 0) {
		saved_powerctrl_1 = nvReadMC(dev, NV_PBUS_POWERCTRL_1);
		nvWriteMC(dev, NV_PBUS_POWERCTRL_1,
			(saved_powerctrl_1 & ~(0xf << shift_powerctrl_1)) |
			1 << shift_powerctrl_1);
	}

	if (chip_version >= 0x40) {
		int shift_c040 = 14;

		switch (reg1) {
		case NV_PRAMDAC_MPLL_COEFF:
			shift_c040 += 2;
		case NV_PRAMDAC_NVPLL_COEFF:
			shift_c040 += 2;
		case NV_RAMDAC_VPLL2:
			shift_c040 += 2;
		case NV_PRAMDAC_VPLL_COEFF:
			shift_c040 += 2;
		}

		savedc040 = nvReadMC(dev, 0xc040);
		if (shift_c040 != 14)
			nvWriteMC(dev, 0xc040, savedc040 & ~(3 << shift_c040));
	}

	if (oldramdac580 != ramdac580)
		NVWriteRAMDAC(dev, 0, NV_PRAMDAC_580, ramdac580);

	if (!nv3035)
		NVWriteRAMDAC(dev, 0, reg2, pll2);
	NVWriteRAMDAC(dev, 0, reg1, pll1);

	if (shift_powerctrl_1 >= 0)
		nvWriteMC(dev, NV_PBUS_POWERCTRL_1, saved_powerctrl_1);
	if (chip_version >= 0x40)
		nvWriteMC(dev, 0xc040, savedc040);
}