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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.c280
1 files changed, 9 insertions, 271 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_hw.c b/drivers/gpu/drm/nouveau/nouveau_hw.c
index b87ad3bd7739..fdd667b70528 100644
--- a/drivers/gpu/drm/nouveau/nouveau_hw.c
+++ b/drivers/gpu/drm/nouveau/nouveau_hw.c
@@ -26,6 +26,8 @@
#include "nouveau_drv.h"
#include "nouveau_hw.h"
+#include <subdev/bios/pll.h>
+
#define CHIPSET_NFORCE 0x01a0
#define CHIPSET_NFORCE2 0x01f0
@@ -123,270 +125,6 @@ NVBlankScreen(struct drm_device *dev, int head, bool blank)
}
/*
- * 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 ? ~(0x77 << 16) : ~(7 << 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
*/
@@ -423,12 +161,12 @@ nouveau_hw_decode_pll(struct drm_device *dev, uint32_t reg1, uint32_t pll1,
}
int
-nouveau_hw_get_pllvals(struct drm_device *dev, enum pll_types plltype,
+nouveau_hw_get_pllvals(struct drm_device *dev, enum nvbios_pll_type plltype,
struct nouveau_pll_vals *pllvals)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t reg1 = get_pll_register(dev, plltype), pll1, pll2 = 0;
- struct pll_lims pll_lim;
+ struct nvbios_pll pll_lim;
int ret;
if (reg1 == 0)
@@ -478,7 +216,7 @@ nouveau_hw_pllvals_to_clk(struct nouveau_pll_vals *pv)
}
int
-nouveau_hw_get_clock(struct drm_device *dev, enum pll_types plltype)
+nouveau_hw_get_clock(struct drm_device *dev, enum nvbios_pll_type plltype)
{
struct nouveau_pll_vals pllvals;
int ret;
@@ -517,9 +255,9 @@ nouveau_hw_fix_bad_vpll(struct drm_device *dev, int head)
* when such a condition detected. only seen on nv11 to date
*/
- struct pll_lims pll_lim;
+ struct nvbios_pll pll_lim;
struct nouveau_pll_vals pv;
- enum pll_types pll = head ? PLL_VPLL1 : PLL_VPLL0;
+ enum nvbios_pll_type pll = head ? PLL_VPLL1 : PLL_VPLL0;
if (get_pll_limits(dev, pll, &pll_lim))
return;
@@ -527,7 +265,7 @@ nouveau_hw_fix_bad_vpll(struct drm_device *dev, int head)
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)
+ pv.log2P <= pll_lim.max_p)
return;
NV_WARN(dev, "VPLL %d outwith limits, attempting to fix\n", head + 1);
@@ -535,7 +273,7 @@ nouveau_hw_fix_bad_vpll(struct drm_device *dev, int head)
/* 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;
+ pv.log2P = pll_lim.max_p_usable;
nouveau_hw_setpll(dev, pll_lim.reg, &pv);
}