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path: root/drivers/gpu/drm/nouveau/nouveau_hw.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_hw.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_hw.c1080
1 files changed, 1080 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_hw.c b/drivers/gpu/drm/nouveau/nouveau_hw.c
new file mode 100644
index 000000000000..dc46792a5c96
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_hw.c
@@ -0,0 +1,1080 @@
+/*
+ * Copyright 2006 Dave Airlie
+ * Copyright 2007 Maarten Maathuis
+ * Copyright 2007-2009 Stuart Bennett
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "drmP.h"
+#include "nouveau_drv.h"
+#include "nouveau_hw.h"
+
+#define CHIPSET_NFORCE 0x01a0
+#define CHIPSET_NFORCE2 0x01f0
+
+/*
+ * misc hw access wrappers/control functions
+ */
+
+void
+NVWriteVgaSeq(struct drm_device *dev, int head, uint8_t index, uint8_t value)
+{
+ NVWritePRMVIO(dev, head, NV_PRMVIO_SRX, index);
+ NVWritePRMVIO(dev, head, NV_PRMVIO_SR, value);
+}
+
+uint8_t
+NVReadVgaSeq(struct drm_device *dev, int head, uint8_t index)
+{
+ NVWritePRMVIO(dev, head, NV_PRMVIO_SRX, index);
+ return NVReadPRMVIO(dev, head, NV_PRMVIO_SR);
+}
+
+void
+NVWriteVgaGr(struct drm_device *dev, int head, uint8_t index, uint8_t value)
+{
+ NVWritePRMVIO(dev, head, NV_PRMVIO_GRX, index);
+ NVWritePRMVIO(dev, head, NV_PRMVIO_GX, value);
+}
+
+uint8_t
+NVReadVgaGr(struct drm_device *dev, int head, uint8_t index)
+{
+ NVWritePRMVIO(dev, head, NV_PRMVIO_GRX, index);
+ return NVReadPRMVIO(dev, head, NV_PRMVIO_GX);
+}
+
+/* CR44 takes values 0 (head A), 3 (head B) and 4 (heads tied)
+ * it affects only the 8 bit vga io regs, which we access using mmio at
+ * 0xc{0,2}3c*, 0x60{1,3}3*, and 0x68{1,3}3d*
+ * in general, the set value of cr44 does not matter: reg access works as
+ * expected and values can be set for the appropriate head by using a 0x2000
+ * offset as required
+ * however:
+ * a) pre nv40, the head B range of PRMVIO regs at 0xc23c* was not exposed and
+ * cr44 must be set to 0 or 3 for accessing values on the correct head
+ * through the common 0xc03c* addresses
+ * b) in tied mode (4) head B is programmed to the values set on head A, and
+ * access using the head B addresses can have strange results, ergo we leave
+ * tied mode in init once we know to what cr44 should be restored on exit
+ *
+ * the owner parameter is slightly abused:
+ * 0 and 1 are treated as head values and so the set value is (owner * 3)
+ * other values are treated as literal values to set
+ */
+void
+NVSetOwner(struct drm_device *dev, int owner)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ if (owner == 1)
+ owner *= 3;
+
+ if (dev_priv->chipset == 0x11) {
+ /* This might seem stupid, but the blob does it and
+ * omitting it often locks the system up.
+ */
+ NVReadVgaCrtc(dev, 0, NV_CIO_SR_LOCK_INDEX);
+ NVReadVgaCrtc(dev, 1, NV_CIO_SR_LOCK_INDEX);
+ }
+
+ /* CR44 is always changed on CRTC0 */
+ NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_44, owner);
+
+ if (dev_priv->chipset == 0x11) { /* set me harder */
+ NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_2E, owner);
+ NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_2E, owner);
+ }
+}
+
+void
+NVBlankScreen(struct drm_device *dev, int head, bool blank)
+{
+ unsigned char seq1;
+
+ if (nv_two_heads(dev))
+ NVSetOwner(dev, head);
+
+ seq1 = NVReadVgaSeq(dev, head, NV_VIO_SR_CLOCK_INDEX);
+
+ NVVgaSeqReset(dev, head, true);
+ if (blank)
+ NVWriteVgaSeq(dev, head, NV_VIO_SR_CLOCK_INDEX, seq1 | 0x20);
+ else
+ NVWriteVgaSeq(dev, head, NV_VIO_SR_CLOCK_INDEX, seq1 & ~0x20);
+ NVVgaSeqReset(dev, head, false);
+}
+
+/*
+ * PLL setting
+ */
+
+static int
+powerctrl_1_shift(int chip_version, int reg)
+{
+ int shift = -4;
+
+ if (chip_version < 0x17 || chip_version == 0x1a || chip_version == 0x20)
+ return shift;
+
+ switch (reg) {
+ case NV_RAMDAC_VPLL2:
+ shift += 4;
+ case NV_PRAMDAC_VPLL_COEFF:
+ shift += 4;
+ case NV_PRAMDAC_MPLL_COEFF:
+ shift += 4;
+ case NV_PRAMDAC_NVPLL_COEFF:
+ shift += 4;
+ }
+
+ /*
+ * the shift for vpll regs is only used for nv3x chips with a single
+ * stage pll
+ */
+ if (shift > 4 && (chip_version < 0x32 || chip_version == 0x35 ||
+ chip_version == 0x36 || chip_version >= 0x40))
+ shift = -4;
+
+ return shift;
+}
+
+static void
+setPLL_single(struct drm_device *dev, uint32_t reg, struct nouveau_pll_vals *pv)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ int chip_version = dev_priv->vbios->chip_version;
+ uint32_t oldpll = NVReadRAMDAC(dev, 0, reg);
+ int oldN = (oldpll >> 8) & 0xff, oldM = oldpll & 0xff;
+ uint32_t pll = (oldpll & 0xfff80000) | pv->log2P << 16 | pv->NM1;
+ uint32_t saved_powerctrl_1 = 0;
+ int shift_powerctrl_1 = powerctrl_1_shift(chip_version, reg);
+
+ if (oldpll == pll)
+ 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 (oldM && pv->M1 && (oldN / oldM < pv->N1 / pv->M1))
+ /* upclock -- write new post divider first */
+ NVWriteRAMDAC(dev, 0, reg, pv->log2P << 16 | (oldpll & 0xffff));
+ else
+ /* downclock -- write new NM first */
+ NVWriteRAMDAC(dev, 0, reg, (oldpll & 0xffff0000) | pv->NM1);
+
+ if (chip_version < 0x17 && chip_version != 0x11)
+ /* wait a bit on older chips */
+ msleep(64);
+ NVReadRAMDAC(dev, 0, reg);
+
+ /* then write the other half as well */
+ NVWriteRAMDAC(dev, 0, reg, pll);
+
+ if (shift_powerctrl_1 >= 0)
+ nvWriteMC(dev, NV_PBUS_POWERCTRL_1, saved_powerctrl_1);
+}
+
+static uint32_t
+new_ramdac580(uint32_t reg1, bool ss, uint32_t ramdac580)
+{
+ bool head_a = (reg1 == NV_PRAMDAC_VPLL_COEFF);
+
+ if (ss) /* single stage pll mode */
+ ramdac580 |= head_a ? NV_RAMDAC_580_VPLL1_ACTIVE :
+ NV_RAMDAC_580_VPLL2_ACTIVE;
+ else
+ ramdac580 &= head_a ? ~NV_RAMDAC_580_VPLL1_ACTIVE :
+ ~NV_RAMDAC_580_VPLL2_ACTIVE;
+
+ return ramdac580;
+}
+
+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);
+}
+
+static void
+setPLL_double_lowregs(struct drm_device *dev, uint32_t NMNMreg,
+ struct nouveau_pll_vals *pv)
+{
+ /* When setting PLLs, there is a merry game of disabling and enabling
+ * various bits of hardware during the process. This function is a
+ * synthesis of six nv4x traces, nearly each card doing a subtly
+ * different thing. With luck all the necessary bits for each card are
+ * combined herein. Without luck it deviates from each card's formula
+ * so as to not work on any :)
+ */
+
+ uint32_t Preg = NMNMreg - 4;
+ bool mpll = Preg == 0x4020;
+ uint32_t oldPval = nvReadMC(dev, Preg);
+ uint32_t NMNM = pv->NM2 << 16 | pv->NM1;
+ uint32_t Pval = (oldPval & (mpll ? ~(0x11 << 16) : ~(1 << 16))) |
+ 0xc << 28 | pv->log2P << 16;
+ uint32_t saved4600 = 0;
+ /* some cards have different maskc040s */
+ uint32_t maskc040 = ~(3 << 14), savedc040;
+ bool single_stage = !pv->NM2 || pv->N2 == pv->M2;
+
+ if (nvReadMC(dev, NMNMreg) == NMNM && (oldPval & 0xc0070000) == Pval)
+ return;
+
+ if (Preg == 0x4000)
+ maskc040 = ~0x333;
+ if (Preg == 0x4058)
+ maskc040 = ~(0xc << 24);
+
+ if (mpll) {
+ struct pll_lims pll_lim;
+ uint8_t Pval2;
+
+ if (get_pll_limits(dev, Preg, &pll_lim))
+ return;
+
+ Pval2 = pv->log2P + pll_lim.log2p_bias;
+ if (Pval2 > pll_lim.max_log2p)
+ Pval2 = pll_lim.max_log2p;
+ Pval |= 1 << 28 | Pval2 << 20;
+
+ saved4600 = nvReadMC(dev, 0x4600);
+ nvWriteMC(dev, 0x4600, saved4600 | 8 << 28);
+ }
+ if (single_stage)
+ Pval |= mpll ? 1 << 12 : 1 << 8;
+
+ nvWriteMC(dev, Preg, oldPval | 1 << 28);
+ nvWriteMC(dev, Preg, Pval & ~(4 << 28));
+ if (mpll) {
+ Pval |= 8 << 20;
+ nvWriteMC(dev, 0x4020, Pval & ~(0xc << 28));
+ nvWriteMC(dev, 0x4038, Pval & ~(0xc << 28));
+ }
+
+ savedc040 = nvReadMC(dev, 0xc040);
+ nvWriteMC(dev, 0xc040, savedc040 & maskc040);
+
+ nvWriteMC(dev, NMNMreg, NMNM);
+ if (NMNMreg == 0x4024)
+ nvWriteMC(dev, 0x403c, NMNM);
+
+ nvWriteMC(dev, Preg, Pval);
+ if (mpll) {
+ Pval &= ~(8 << 20);
+ nvWriteMC(dev, 0x4020, Pval);
+ nvWriteMC(dev, 0x4038, Pval);
+ nvWriteMC(dev, 0x4600, saved4600);
+ }
+
+ nvWriteMC(dev, 0xc040, savedc040);
+
+ if (mpll) {
+ nvWriteMC(dev, 0x4020, Pval & ~(1 << 28));
+ nvWriteMC(dev, 0x4038, Pval & ~(1 << 28));
+ }
+}
+
+void
+nouveau_hw_setpll(struct drm_device *dev, uint32_t reg1,
+ struct nouveau_pll_vals *pv)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ int cv = dev_priv->vbios->chip_version;
+
+ if (cv == 0x30 || cv == 0x31 || cv == 0x35 || cv == 0x36 ||
+ cv >= 0x40) {
+ if (reg1 > 0x405c)
+ setPLL_double_highregs(dev, reg1, pv);
+ else
+ setPLL_double_lowregs(dev, reg1, pv);
+ } else
+ setPLL_single(dev, reg1, pv);
+}
+
+/*
+ * PLL getting
+ */
+
+static void
+nouveau_hw_decode_pll(struct drm_device *dev, uint32_t reg1, uint32_t pll1,
+ uint32_t pll2, struct nouveau_pll_vals *pllvals)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ /* to force parsing as single stage (i.e. nv40 vplls) pass pll2 as 0 */
+
+ /* log2P is & 0x7 as never more than 7, and nv30/35 only uses 3 bits */
+ pllvals->log2P = (pll1 >> 16) & 0x7;
+ pllvals->N2 = pllvals->M2 = 1;
+
+ if (reg1 <= 0x405c) {
+ pllvals->NM1 = pll2 & 0xffff;
+ /* single stage NVPLL and VPLLs use 1 << 8, MPLL uses 1 << 12 */
+ if (!(pll1 & 0x1100))
+ pllvals->NM2 = pll2 >> 16;
+ } else {
+ pllvals->NM1 = pll1 & 0xffff;
+ if (nv_two_reg_pll(dev) && pll2 & NV31_RAMDAC_ENABLE_VCO2)
+ pllvals->NM2 = pll2 & 0xffff;
+ else if (dev_priv->chipset == 0x30 || dev_priv->chipset == 0x35) {
+ pllvals->M1 &= 0xf; /* only 4 bits */
+ if (pll1 & NV30_RAMDAC_ENABLE_VCO2) {
+ pllvals->M2 = (pll1 >> 4) & 0x7;
+ pllvals->N2 = ((pll1 >> 21) & 0x18) |
+ ((pll1 >> 19) & 0x7);
+ }
+ }
+ }
+}
+
+int
+nouveau_hw_get_pllvals(struct drm_device *dev, enum pll_types plltype,
+ struct nouveau_pll_vals *pllvals)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ const uint32_t nv04_regs[MAX_PLL_TYPES] = { NV_PRAMDAC_NVPLL_COEFF,
+ NV_PRAMDAC_MPLL_COEFF,
+ NV_PRAMDAC_VPLL_COEFF,
+ NV_RAMDAC_VPLL2 };
+ const uint32_t nv40_regs[MAX_PLL_TYPES] = { 0x4000,
+ 0x4020,
+ NV_PRAMDAC_VPLL_COEFF,
+ NV_RAMDAC_VPLL2 };
+ uint32_t reg1, pll1, pll2 = 0;
+ struct pll_lims pll_lim;
+ int ret;
+
+ if (dev_priv->card_type < NV_40)
+ reg1 = nv04_regs[plltype];
+ else
+ reg1 = nv40_regs[plltype];
+
+ pll1 = nvReadMC(dev, reg1);
+
+ if (reg1 <= 0x405c)
+ pll2 = nvReadMC(dev, reg1 + 4);
+ else if (nv_two_reg_pll(dev)) {
+ uint32_t reg2 = reg1 + (reg1 == NV_RAMDAC_VPLL2 ? 0x5c : 0x70);
+
+ pll2 = nvReadMC(dev, reg2);
+ }
+
+ if (dev_priv->card_type == 0x40 && reg1 >= NV_PRAMDAC_VPLL_COEFF) {
+ uint32_t ramdac580 = NVReadRAMDAC(dev, 0, NV_PRAMDAC_580);
+
+ /* check whether vpll has been forced into single stage mode */
+ if (reg1 == NV_PRAMDAC_VPLL_COEFF) {
+ if (ramdac580 & NV_RAMDAC_580_VPLL1_ACTIVE)
+ pll2 = 0;
+ } else
+ if (ramdac580 & NV_RAMDAC_580_VPLL2_ACTIVE)
+ pll2 = 0;
+ }
+
+ nouveau_hw_decode_pll(dev, reg1, pll1, pll2, pllvals);
+
+ ret = get_pll_limits(dev, plltype, &pll_lim);
+ if (ret)
+ return ret;
+
+ pllvals->refclk = pll_lim.refclk;
+
+ return 0;
+}
+
+int
+nouveau_hw_pllvals_to_clk(struct nouveau_pll_vals *pv)
+{
+ /* Avoid divide by zero if called at an inappropriate time */
+ if (!pv->M1 || !pv->M2)
+ return 0;
+
+ return pv->N1 * pv->N2 * pv->refclk / (pv->M1 * pv->M2) >> pv->log2P;
+}
+
+int
+nouveau_hw_get_clock(struct drm_device *dev, enum pll_types plltype)
+{
+ struct nouveau_pll_vals pllvals;
+
+ if (plltype == MPLL && (dev->pci_device & 0x0ff0) == CHIPSET_NFORCE) {
+ uint32_t mpllP;
+
+ pci_read_config_dword(pci_get_bus_and_slot(0, 3), 0x6c, &mpllP);
+ if (!mpllP)
+ mpllP = 4;
+
+ return 400000 / mpllP;
+ } else
+ if (plltype == MPLL && (dev->pci_device & 0xff0) == CHIPSET_NFORCE2) {
+ uint32_t clock;
+
+ pci_read_config_dword(pci_get_bus_and_slot(0, 5), 0x4c, &clock);
+ return clock;
+ }
+
+ nouveau_hw_get_pllvals(dev, plltype, &pllvals);
+
+ return nouveau_hw_pllvals_to_clk(&pllvals);
+}
+
+static void
+nouveau_hw_fix_bad_vpll(struct drm_device *dev, int head)
+{
+ /* the vpll on an unused head can come up with a random value, way
+ * beyond the pll limits. for some reason this causes the chip to
+ * lock up when reading the dac palette regs, so set a valid pll here
+ * when such a condition detected. only seen on nv11 to date
+ */
+
+ struct pll_lims pll_lim;
+ struct nouveau_pll_vals pv;
+ uint32_t pllreg = head ? NV_RAMDAC_VPLL2 : NV_PRAMDAC_VPLL_COEFF;
+
+ if (get_pll_limits(dev, head ? VPLL2 : VPLL1, &pll_lim))
+ return;
+ nouveau_hw_get_pllvals(dev, head ? VPLL2 : VPLL1, &pv);
+
+ if (pv.M1 >= pll_lim.vco1.min_m && pv.M1 <= pll_lim.vco1.max_m &&
+ pv.N1 >= pll_lim.vco1.min_n && pv.N1 <= pll_lim.vco1.max_n &&
+ pv.log2P <= pll_lim.max_log2p)
+ return;
+
+ NV_WARN(dev, "VPLL %d outwith limits, attempting to fix\n", head + 1);
+
+ /* set lowest clock within static limits */
+ pv.M1 = pll_lim.vco1.max_m;
+ pv.N1 = pll_lim.vco1.min_n;
+ pv.log2P = pll_lim.max_usable_log2p;
+ nouveau_hw_setpll(dev, pllreg, &pv);
+}
+
+/*
+ * vga font save/restore
+ */
+
+static void nouveau_vga_font_io(struct drm_device *dev,
+ void __iomem *iovram,
+ bool save, unsigned plane)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ unsigned i;
+
+ NVWriteVgaSeq(dev, 0, NV_VIO_SR_PLANE_MASK_INDEX, 1 << plane);
+ NVWriteVgaGr(dev, 0, NV_VIO_GX_READ_MAP_INDEX, plane);
+ for (i = 0; i < 16384; i++) {
+ if (save) {
+ dev_priv->saved_vga_font[plane][i] =
+ ioread32_native(iovram + i * 4);
+ } else {
+ iowrite32_native(dev_priv->saved_vga_font[plane][i],
+ iovram + i * 4);
+ }
+ }
+}
+
+void
+nouveau_hw_save_vga_fonts(struct drm_device *dev, bool save)
+{
+ uint8_t misc, gr4, gr5, gr6, seq2, seq4;
+ bool graphicsmode;
+ unsigned plane;
+ void __iomem *iovram;
+
+ if (nv_two_heads(dev))
+ NVSetOwner(dev, 0);
+
+ NVSetEnablePalette(dev, 0, true);
+ graphicsmode = NVReadVgaAttr(dev, 0, NV_CIO_AR_MODE_INDEX) & 1;
+ NVSetEnablePalette(dev, 0, false);
+
+ if (graphicsmode) /* graphics mode => framebuffer => no need to save */
+ return;
+
+ NV_INFO(dev, "%sing VGA fonts\n", save ? "Sav" : "Restor");
+
+ /* map first 64KiB of VRAM, holds VGA fonts etc */
+ iovram = ioremap(pci_resource_start(dev->pdev, 1), 65536);
+ if (!iovram) {
+ NV_ERROR(dev, "Failed to map VRAM, "
+ "cannot save/restore VGA fonts.\n");
+ return;
+ }
+
+ if (nv_two_heads(dev))
+ NVBlankScreen(dev, 1, true);
+ NVBlankScreen(dev, 0, true);
+
+ /* save control regs */
+ misc = NVReadPRMVIO(dev, 0, NV_PRMVIO_MISC__READ);
+ seq2 = NVReadVgaSeq(dev, 0, NV_VIO_SR_PLANE_MASK_INDEX);
+ seq4 = NVReadVgaSeq(dev, 0, NV_VIO_SR_MEM_MODE_INDEX);
+ gr4 = NVReadVgaGr(dev, 0, NV_VIO_GX_READ_MAP_INDEX);
+ gr5 = NVReadVgaGr(dev, 0, NV_VIO_GX_MODE_INDEX);
+ gr6 = NVReadVgaGr(dev, 0, NV_VIO_GX_MISC_INDEX);
+
+ NVWritePRMVIO(dev, 0, NV_PRMVIO_MISC__WRITE, 0x67);
+ NVWriteVgaSeq(dev, 0, NV_VIO_SR_MEM_MODE_INDEX, 0x6);
+ NVWriteVgaGr(dev, 0, NV_VIO_GX_MODE_INDEX, 0x0);
+ NVWriteVgaGr(dev, 0, NV_VIO_GX_MISC_INDEX, 0x5);
+
+ /* store font in planes 0..3 */
+ for (plane = 0; plane < 4; plane++)
+ nouveau_vga_font_io(dev, iovram, save, plane);
+
+ /* restore control regs */
+ NVWritePRMVIO(dev, 0, NV_PRMVIO_MISC__WRITE, misc);
+ NVWriteVgaGr(dev, 0, NV_VIO_GX_READ_MAP_INDEX, gr4);
+ NVWriteVgaGr(dev, 0, NV_VIO_GX_MODE_INDEX, gr5);
+ NVWriteVgaGr(dev, 0, NV_VIO_GX_MISC_INDEX, gr6);
+ NVWriteVgaSeq(dev, 0, NV_VIO_SR_PLANE_MASK_INDEX, seq2);
+ NVWriteVgaSeq(dev, 0, NV_VIO_SR_MEM_MODE_INDEX, seq4);
+
+ if (nv_two_heads(dev))
+ NVBlankScreen(dev, 1, false);
+ NVBlankScreen(dev, 0, false);
+
+ iounmap(iovram);
+}
+
+/*
+ * mode state save/load
+ */
+
+static void
+rd_cio_state(struct drm_device *dev, int head,
+ struct nv04_crtc_reg *crtcstate, int index)
+{
+ crtcstate->CRTC[index] = NVReadVgaCrtc(dev, head, index);
+}
+
+static void
+wr_cio_state(struct drm_device *dev, int head,
+ struct nv04_crtc_reg *crtcstate, int index)
+{
+ NVWriteVgaCrtc(dev, head, index, crtcstate->CRTC[index]);
+}
+
+static void
+nv_save_state_ramdac(struct drm_device *dev, int head,
+ struct nv04_mode_state *state)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nv04_crtc_reg *regp = &state->crtc_reg[head];
+ int i;
+
+ if (dev_priv->card_type >= NV_10)
+ regp->nv10_cursync = NVReadRAMDAC(dev, head, NV_RAMDAC_NV10_CURSYNC);
+
+ nouveau_hw_get_pllvals(dev, head ? VPLL2 : VPLL1, &regp->pllvals);
+ state->pllsel = NVReadRAMDAC(dev, 0, NV_PRAMDAC_PLL_COEFF_SELECT);
+ if (nv_two_heads(dev))
+ state->sel_clk = NVReadRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK);
+ if (dev_priv->chipset == 0x11)
+ regp->dither = NVReadRAMDAC(dev, head, NV_RAMDAC_DITHER_NV11);
+
+ regp->ramdac_gen_ctrl = NVReadRAMDAC(dev, head, NV_PRAMDAC_GENERAL_CONTROL);
+
+ if (nv_gf4_disp_arch(dev))
+ regp->ramdac_630 = NVReadRAMDAC(dev, head, NV_PRAMDAC_630);
+ if (dev_priv->chipset >= 0x30)
+ regp->ramdac_634 = NVReadRAMDAC(dev, head, NV_PRAMDAC_634);
+
+ regp->tv_setup = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_SETUP);
+ regp->tv_vtotal = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_VTOTAL);
+ regp->tv_vskew = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_VSKEW);
+ regp->tv_vsync_delay = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_VSYNC_DELAY);
+ regp->tv_htotal = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_HTOTAL);
+ regp->tv_hskew = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_HSKEW);
+ regp->tv_hsync_delay = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_HSYNC_DELAY);
+ regp->tv_hsync_delay2 = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_HSYNC_DELAY2);
+
+ for (i = 0; i < 7; i++) {
+ uint32_t ramdac_reg = NV_PRAMDAC_FP_VDISPLAY_END + (i * 4);
+ regp->fp_vert_regs[i] = NVReadRAMDAC(dev, head, ramdac_reg);
+ regp->fp_horiz_regs[i] = NVReadRAMDAC(dev, head, ramdac_reg + 0x20);
+ }
+
+ if (nv_gf4_disp_arch(dev)) {
+ regp->dither = NVReadRAMDAC(dev, head, NV_RAMDAC_FP_DITHER);
+ for (i = 0; i < 3; i++) {
+ regp->dither_regs[i] = NVReadRAMDAC(dev, head, NV_PRAMDAC_850 + i * 4);
+ regp->dither_regs[i + 3] = NVReadRAMDAC(dev, head, NV_PRAMDAC_85C + i * 4);
+ }
+ }
+
+ regp->fp_control = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL);
+ regp->fp_debug_0 = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_0);
+ if (!nv_gf4_disp_arch(dev) && head == 0) {
+ /* early chips don't allow access to PRAMDAC_TMDS_* without
+ * the head A FPCLK on (nv11 even locks up) */
+ NVWriteRAMDAC(dev, 0, NV_PRAMDAC_FP_DEBUG_0, regp->fp_debug_0 &
+ ~NV_PRAMDAC_FP_DEBUG_0_PWRDOWN_FPCLK);
+ }
+ regp->fp_debug_1 = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_1);
+ regp->fp_debug_2 = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_2);
+
+ regp->fp_margin_color = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_MARGIN_COLOR);
+
+ if (nv_gf4_disp_arch(dev))
+ regp->ramdac_8c0 = NVReadRAMDAC(dev, head, NV_PRAMDAC_8C0);
+
+ if (dev_priv->card_type == NV_40) {
+ regp->ramdac_a20 = NVReadRAMDAC(dev, head, NV_PRAMDAC_A20);
+ regp->ramdac_a24 = NVReadRAMDAC(dev, head, NV_PRAMDAC_A24);
+ regp->ramdac_a34 = NVReadRAMDAC(dev, head, NV_PRAMDAC_A34);
+
+ for (i = 0; i < 38; i++)
+ regp->ctv_regs[i] = NVReadRAMDAC(dev, head,
+ NV_PRAMDAC_CTV + 4*i);
+ }
+}
+
+static void
+nv_load_state_ramdac(struct drm_device *dev, int head,
+ struct nv04_mode_state *state)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nv04_crtc_reg *regp = &state->crtc_reg[head];
+ uint32_t pllreg = head ? NV_RAMDAC_VPLL2 : NV_PRAMDAC_VPLL_COEFF;
+ int i;
+
+ if (dev_priv->card_type >= NV_10)
+ NVWriteRAMDAC(dev, head, NV_RAMDAC_NV10_CURSYNC, regp->nv10_cursync);
+
+ nouveau_hw_setpll(dev, pllreg, &regp->pllvals);
+ NVWriteRAMDAC(dev, 0, NV_PRAMDAC_PLL_COEFF_SELECT, state->pllsel);
+ if (nv_two_heads(dev))
+ NVWriteRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK, state->sel_clk);
+ if (dev_priv->chipset == 0x11)
+ NVWriteRAMDAC(dev, head, NV_RAMDAC_DITHER_NV11, regp->dither);
+
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_GENERAL_CONTROL, regp->ramdac_gen_ctrl);
+
+ if (nv_gf4_disp_arch(dev))
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_630, regp->ramdac_630);
+ if (dev_priv->chipset >= 0x30)
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_634, regp->ramdac_634);
+
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_SETUP, regp->tv_setup);
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_VTOTAL, regp->tv_vtotal);
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_VSKEW, regp->tv_vskew);
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_VSYNC_DELAY, regp->tv_vsync_delay);
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_HTOTAL, regp->tv_htotal);
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_HSKEW, regp->tv_hskew);
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_HSYNC_DELAY, regp->tv_hsync_delay);
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_HSYNC_DELAY2, regp->tv_hsync_delay2);
+
+ for (i = 0; i < 7; i++) {
+ uint32_t ramdac_reg = NV_PRAMDAC_FP_VDISPLAY_END + (i * 4);
+
+ NVWriteRAMDAC(dev, head, ramdac_reg, regp->fp_vert_regs[i]);
+ NVWriteRAMDAC(dev, head, ramdac_reg + 0x20, regp->fp_horiz_regs[i]);
+ }
+
+ if (nv_gf4_disp_arch(dev)) {
+ NVWriteRAMDAC(dev, head, NV_RAMDAC_FP_DITHER, regp->dither);
+ for (i = 0; i < 3; i++) {
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_850 + i * 4, regp->dither_regs[i]);
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_85C + i * 4, regp->dither_regs[i + 3]);
+ }
+ }
+
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL, regp->fp_control);
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_0, regp->fp_debug_0);
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_1, regp->fp_debug_1);
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_2, regp->fp_debug_2);
+
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_MARGIN_COLOR, regp->fp_margin_color);
+
+ if (nv_gf4_disp_arch(dev))
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_8C0, regp->ramdac_8c0);
+
+ if (dev_priv->card_type == NV_40) {
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_A20, regp->ramdac_a20);
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_A24, regp->ramdac_a24);
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_A34, regp->ramdac_a34);
+
+ for (i = 0; i < 38; i++)
+ NVWriteRAMDAC(dev, head,
+ NV_PRAMDAC_CTV + 4*i, regp->ctv_regs[i]);
+ }
+}
+
+static void
+nv_save_state_vga(struct drm_device *dev, int head,
+ struct nv04_mode_state *state)
+{
+ struct nv04_crtc_reg *regp = &state->crtc_reg[head];
+ int i;
+
+ regp->MiscOutReg = NVReadPRMVIO(dev, head, NV_PRMVIO_MISC__READ);
+
+ for (i = 0; i < 25; i++)
+ rd_cio_state(dev, head, regp, i);
+
+ NVSetEnablePalette(dev, head, true);
+ for (i = 0; i < 21; i++)
+ regp->Attribute[i] = NVReadVgaAttr(dev, head, i);
+ NVSetEnablePalette(dev, head, false);
+
+ for (i = 0; i < 9; i++)
+ regp->Graphics[i] = NVReadVgaGr(dev, head, i);
+
+ for (i = 0; i < 5; i++)
+ regp->Sequencer[i] = NVReadVgaSeq(dev, head, i);
+}
+
+static void
+nv_load_state_vga(struct drm_device *dev, int head,
+ struct nv04_mode_state *state)
+{
+ struct nv04_crtc_reg *regp = &state->crtc_reg[head];
+ int i;
+
+ NVWritePRMVIO(dev, head, NV_PRMVIO_MISC__WRITE, regp->MiscOutReg);
+
+ for (i = 0; i < 5; i++)
+ NVWriteVgaSeq(dev, head, i, regp->Sequencer[i]);
+
+ nv_lock_vga_crtc_base(dev, head, false);
+ for (i = 0; i < 25; i++)
+ wr_cio_state(dev, head, regp, i);
+ nv_lock_vga_crtc_base(dev, head, true);
+
+ for (i = 0; i < 9; i++)
+ NVWriteVgaGr(dev, head, i, regp->Graphics[i]);
+
+ NVSetEnablePalette(dev, head, true);
+ for (i = 0; i < 21; i++)
+ NVWriteVgaAttr(dev, head, i, regp->Attribute[i]);
+ NVSetEnablePalette(dev, head, false);
+}
+
+static void
+nv_save_state_ext(struct drm_device *dev, int head,
+ struct nv04_mode_state *state)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nv04_crtc_reg *regp = &state->crtc_reg[head];
+ int i;
+
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_LCD__INDEX);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_RPC0_INDEX);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_RPC1_INDEX);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_LSR_INDEX);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_PIXEL_INDEX);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_HEB__INDEX);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_ENH_INDEX);
+
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_FF_INDEX);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_FFLWM__INDEX);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_21);
+ if (dev_priv->card_type >= NV_30)
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_47);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_49);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR0_INDEX);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR1_INDEX);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR2_INDEX);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_ILACE__INDEX);
+
+ if (dev_priv->card_type >= NV_10) {
+ regp->crtc_830 = NVReadCRTC(dev, head, NV_PCRTC_830);
+ regp->crtc_834 = NVReadCRTC(dev, head, NV_PCRTC_834);
+
+ if (dev_priv->card_type >= NV_30)
+ regp->gpio_ext = NVReadCRTC(dev, head, NV_PCRTC_GPIO_EXT);
+
+ if (dev_priv->card_type == NV_40)
+ regp->crtc_850 = NVReadCRTC(dev, head, NV_PCRTC_850);
+
+ if (nv_two_heads(dev))
+ regp->crtc_eng_ctrl = NVReadCRTC(dev, head, NV_PCRTC_ENGINE_CTRL);
+ regp->cursor_cfg = NVReadCRTC(dev, head, NV_PCRTC_CURSOR_CONFIG);
+ }
+
+ regp->crtc_cfg = NVReadCRTC(dev, head, NV_PCRTC_CONFIG);
+
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_SCRATCH3__INDEX);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_SCRATCH4__INDEX);
+ if (dev_priv->card_type >= NV_10) {
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_EBR_INDEX);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_CSB);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_4B);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_TVOUT_LATENCY);
+ }
+ /* NV11 and NV20 don't have this, they stop at 0x52. */
+ if (nv_gf4_disp_arch(dev)) {
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_53);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_54);
+
+ for (i = 0; i < 0x10; i++)
+ regp->CR58[i] = NVReadVgaCrtc5758(dev, head, i);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_59);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_5B);
+
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_85);
+ rd_cio_state(dev, head, regp, NV_CIO_CRE_86);
+ }
+
+ regp->fb_start = NVReadCRTC(dev, head, NV_PCRTC_START);
+}
+
+static void
+nv_load_state_ext(struct drm_device *dev, int head,
+ struct nv04_mode_state *state)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nv04_crtc_reg *regp = &state->crtc_reg[head];
+ uint32_t reg900;
+ int i;
+
+ if (dev_priv->card_type >= NV_10) {
+ if (nv_two_heads(dev))
+ /* setting ENGINE_CTRL (EC) *must* come before
+ * CIO_CRE_LCD, as writing CRE_LCD sets bits 16 & 17 in
+ * EC that should not be overwritten by writing stale EC
+ */
+ NVWriteCRTC(dev, head, NV_PCRTC_ENGINE_CTRL, regp->crtc_eng_ctrl);
+
+ nvWriteVIDEO(dev, NV_PVIDEO_STOP, 1);
+ nvWriteVIDEO(dev, NV_PVIDEO_INTR_EN, 0);
+ nvWriteVIDEO(dev, NV_PVIDEO_OFFSET_BUFF(0), 0);
+ nvWriteVIDEO(dev, NV_PVIDEO_OFFSET_BUFF(1), 0);
+ nvWriteVIDEO(dev, NV_PVIDEO_LIMIT(0), dev_priv->fb_available_size - 1);
+ nvWriteVIDEO(dev, NV_PVIDEO_LIMIT(1), dev_priv->fb_available_size - 1);
+ nvWriteVIDEO(dev, NV_PVIDEO_UVPLANE_LIMIT(0), dev_priv->fb_available_size - 1);
+ nvWriteVIDEO(dev, NV_PVIDEO_UVPLANE_LIMIT(1), dev_priv->fb_available_size - 1);
+ nvWriteMC(dev, NV_PBUS_POWERCTRL_2, 0);
+
+ NVWriteCRTC(dev, head, NV_PCRTC_CURSOR_CONFIG, regp->cursor_cfg);
+ NVWriteCRTC(dev, head, NV_PCRTC_830, regp->crtc_830);
+ NVWriteCRTC(dev, head, NV_PCRTC_834, regp->crtc_834);
+
+ if (dev_priv->card_type >= NV_30)
+ NVWriteCRTC(dev, head, NV_PCRTC_GPIO_EXT, regp->gpio_ext);
+
+ if (dev_priv->card_type == NV_40) {
+ NVWriteCRTC(dev, head, NV_PCRTC_850, regp->crtc_850);
+
+ reg900 = NVReadRAMDAC(dev, head, NV_PRAMDAC_900);
+ if (regp->crtc_cfg == NV_PCRTC_CONFIG_START_ADDRESS_HSYNC)
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_900, reg900 | 0x10000);
+ else
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_900, reg900 & ~0x10000);
+ }
+ }
+
+ NVWriteCRTC(dev, head, NV_PCRTC_CONFIG, regp->crtc_cfg);
+
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_RPC0_INDEX);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_RPC1_INDEX);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_LSR_INDEX);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_PIXEL_INDEX);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_LCD__INDEX);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_HEB__INDEX);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_ENH_INDEX);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_FF_INDEX);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_FFLWM__INDEX);
+ if (dev_priv->card_type >= NV_30)
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_47);
+
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_49);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR0_INDEX);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR1_INDEX);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR2_INDEX);
+ if (dev_priv->card_type == NV_40)
+ nv_fix_nv40_hw_cursor(dev, head);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_ILACE__INDEX);
+
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_SCRATCH3__INDEX);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_SCRATCH4__INDEX);
+ if (dev_priv->card_type >= NV_10) {
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_EBR_INDEX);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_CSB);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_4B);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_TVOUT_LATENCY);
+ }
+ /* NV11 and NV20 stop at 0x52. */
+ if (nv_gf4_disp_arch(dev)) {
+ if (dev_priv->card_type == NV_10) {
+ /* Not waiting for vertical retrace before modifying
+ CRE_53/CRE_54 causes lockups. */
+ nouveau_wait_until(dev, 650000000, NV_PRMCIO_INP0__COLOR, 0x8, 0x8);
+ nouveau_wait_until(dev, 650000000, NV_PRMCIO_INP0__COLOR, 0x8, 0x0);
+ }
+
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_53);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_54);
+
+ for (i = 0; i < 0x10; i++)
+ NVWriteVgaCrtc5758(dev, head, i, regp->CR58[i]);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_59);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_5B);
+
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_85);
+ wr_cio_state(dev, head, regp, NV_CIO_CRE_86);
+ }
+
+ NVWriteCRTC(dev, head, NV_PCRTC_START, regp->fb_start);
+
+ /* Setting 1 on this value gives you interrupts for every vblank period. */
+ NVWriteCRTC(dev, head, NV_PCRTC_INTR_EN_0, 0);
+ NVWriteCRTC(dev, head, NV_PCRTC_INTR_0, NV_PCRTC_INTR_0_VBLANK);
+}
+
+static void
+nv_save_state_palette(struct drm_device *dev, int head,
+ struct nv04_mode_state *state)
+{
+ int head_offset = head * NV_PRMDIO_SIZE, i;
+
+ nv_wr08(dev, NV_PRMDIO_PIXEL_MASK + head_offset,
+ NV_PRMDIO_PIXEL_MASK_MASK);
+ nv_wr08(dev, NV_PRMDIO_READ_MODE_ADDRESS + head_offset, 0x0);
+
+ for (i = 0; i < 768; i++) {
+ state->crtc_reg[head].DAC[i] = nv_rd08(dev,
+ NV_PRMDIO_PALETTE_DATA + head_offset);
+ }
+
+ NVSetEnablePalette(dev, head, false);
+}
+
+void
+nouveau_hw_load_state_palette(struct drm_device *dev, int head,
+ struct nv04_mode_state *state)
+{
+ int head_offset = head * NV_PRMDIO_SIZE, i;
+
+ nv_wr08(dev, NV_PRMDIO_PIXEL_MASK + head_offset,
+ NV_PRMDIO_PIXEL_MASK_MASK);
+ nv_wr08(dev, NV_PRMDIO_WRITE_MODE_ADDRESS + head_offset, 0x0);
+
+ for (i = 0; i < 768; i++) {
+ nv_wr08(dev, NV_PRMDIO_PALETTE_DATA + head_offset,
+ state->crtc_reg[head].DAC[i]);
+ }
+
+ NVSetEnablePalette(dev, head, false);
+}
+
+void nouveau_hw_save_state(struct drm_device *dev, int head,
+ struct nv04_mode_state *state)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->chipset == 0x11)
+ /* NB: no attempt is made to restore the bad pll later on */
+ nouveau_hw_fix_bad_vpll(dev, head);
+ nv_save_state_ramdac(dev, head, state);
+ nv_save_state_vga(dev, head, state);
+ nv_save_state_palette(dev, head, state);
+ nv_save_state_ext(dev, head, state);
+}
+
+void nouveau_hw_load_state(struct drm_device *dev, int head,
+ struct nv04_mode_state *state)
+{
+ NVVgaProtect(dev, head, true);
+ nv_load_state_ramdac(dev, head, state);
+ nv_load_state_ext(dev, head, state);
+ nouveau_hw_load_state_palette(dev, head, state);
+ nv_load_state_vga(dev, head, state);
+ NVVgaProtect(dev, head, false);
+}