diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_hw.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_hw.h | 455 |
1 files changed, 455 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_hw.h b/drivers/gpu/drm/nouveau/nouveau_hw.h new file mode 100644 index 000000000000..869130f83602 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_hw.h @@ -0,0 +1,455 @@ +/* + * Copyright 2008 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. + */ + +#ifndef __NOUVEAU_HW_H__ +#define __NOUVEAU_HW_H__ + +#include "drmP.h" +#include "nouveau_drv.h" + +#define MASK(field) ( \ + (0xffffffff >> (31 - ((1 ? field) - (0 ? field)))) << (0 ? field)) + +#define XLATE(src, srclowbit, outfield) ( \ + (((src) >> (srclowbit)) << (0 ? outfield)) & MASK(outfield)) + +void NVWriteVgaSeq(struct drm_device *, int head, uint8_t index, uint8_t value); +uint8_t NVReadVgaSeq(struct drm_device *, int head, uint8_t index); +void NVWriteVgaGr(struct drm_device *, int head, uint8_t index, uint8_t value); +uint8_t NVReadVgaGr(struct drm_device *, int head, uint8_t index); +void NVSetOwner(struct drm_device *, int owner); +void NVBlankScreen(struct drm_device *, int head, bool blank); +void nouveau_hw_setpll(struct drm_device *, uint32_t reg1, + struct nouveau_pll_vals *pv); +int nouveau_hw_get_pllvals(struct drm_device *, enum pll_types plltype, + struct nouveau_pll_vals *pllvals); +int nouveau_hw_pllvals_to_clk(struct nouveau_pll_vals *pllvals); +int nouveau_hw_get_clock(struct drm_device *, enum pll_types plltype); +void nouveau_hw_save_vga_fonts(struct drm_device *, bool save); +void nouveau_hw_save_state(struct drm_device *, int head, + struct nv04_mode_state *state); +void nouveau_hw_load_state(struct drm_device *, int head, + struct nv04_mode_state *state); +void nouveau_hw_load_state_palette(struct drm_device *, int head, + struct nv04_mode_state *state); + +/* nouveau_calc.c */ +extern void nouveau_calc_arb(struct drm_device *, int vclk, int bpp, + int *burst, int *lwm); +extern int nouveau_calc_pll_mnp(struct drm_device *, struct pll_lims *pll_lim, + int clk, struct nouveau_pll_vals *pv); + +static inline uint32_t +nvReadMC(struct drm_device *dev, uint32_t reg) +{ + uint32_t val = nv_rd32(dev, reg); + NV_REG_DEBUG(MC, dev, "reg %08x val %08x\n", reg, val); + return val; +} + +static inline void +nvWriteMC(struct drm_device *dev, uint32_t reg, uint32_t val) +{ + NV_REG_DEBUG(MC, dev, "reg %08x val %08x\n", reg, val); + nv_wr32(dev, reg, val); +} + +static inline uint32_t +nvReadVIDEO(struct drm_device *dev, uint32_t reg) +{ + uint32_t val = nv_rd32(dev, reg); + NV_REG_DEBUG(VIDEO, dev, "reg %08x val %08x\n", reg, val); + return val; +} + +static inline void +nvWriteVIDEO(struct drm_device *dev, uint32_t reg, uint32_t val) +{ + NV_REG_DEBUG(VIDEO, dev, "reg %08x val %08x\n", reg, val); + nv_wr32(dev, reg, val); +} + +static inline uint32_t +nvReadFB(struct drm_device *dev, uint32_t reg) +{ + uint32_t val = nv_rd32(dev, reg); + NV_REG_DEBUG(FB, dev, "reg %08x val %08x\n", reg, val); + return val; +} + +static inline void +nvWriteFB(struct drm_device *dev, uint32_t reg, uint32_t val) +{ + NV_REG_DEBUG(FB, dev, "reg %08x val %08x\n", reg, val); + nv_wr32(dev, reg, val); +} + +static inline uint32_t +nvReadEXTDEV(struct drm_device *dev, uint32_t reg) +{ + uint32_t val = nv_rd32(dev, reg); + NV_REG_DEBUG(EXTDEV, dev, "reg %08x val %08x\n", reg, val); + return val; +} + +static inline void +nvWriteEXTDEV(struct drm_device *dev, uint32_t reg, uint32_t val) +{ + NV_REG_DEBUG(EXTDEV, dev, "reg %08x val %08x\n", reg, val); + nv_wr32(dev, reg, val); +} + +static inline uint32_t NVReadCRTC(struct drm_device *dev, + int head, uint32_t reg) +{ + uint32_t val; + if (head) + reg += NV_PCRTC0_SIZE; + val = nv_rd32(dev, reg); + NV_REG_DEBUG(CRTC, dev, "head %d reg %08x val %08x\n", head, reg, val); + return val; +} + +static inline void NVWriteCRTC(struct drm_device *dev, + int head, uint32_t reg, uint32_t val) +{ + if (head) + reg += NV_PCRTC0_SIZE; + NV_REG_DEBUG(CRTC, dev, "head %d reg %08x val %08x\n", head, reg, val); + nv_wr32(dev, reg, val); +} + +static inline uint32_t NVReadRAMDAC(struct drm_device *dev, + int head, uint32_t reg) +{ + uint32_t val; + if (head) + reg += NV_PRAMDAC0_SIZE; + val = nv_rd32(dev, reg); + NV_REG_DEBUG(RAMDAC, dev, "head %d reg %08x val %08x\n", + head, reg, val); + return val; +} + +static inline void NVWriteRAMDAC(struct drm_device *dev, + int head, uint32_t reg, uint32_t val) +{ + if (head) + reg += NV_PRAMDAC0_SIZE; + NV_REG_DEBUG(RAMDAC, dev, "head %d reg %08x val %08x\n", + head, reg, val); + nv_wr32(dev, reg, val); +} + +static inline uint8_t nv_read_tmds(struct drm_device *dev, + int or, int dl, uint8_t address) +{ + int ramdac = (or & OUTPUT_C) >> 2; + + NVWriteRAMDAC(dev, ramdac, NV_PRAMDAC_FP_TMDS_CONTROL + dl * 8, + NV_PRAMDAC_FP_TMDS_CONTROL_WRITE_DISABLE | address); + return NVReadRAMDAC(dev, ramdac, NV_PRAMDAC_FP_TMDS_DATA + dl * 8); +} + +static inline void nv_write_tmds(struct drm_device *dev, + int or, int dl, uint8_t address, + uint8_t data) +{ + int ramdac = (or & OUTPUT_C) >> 2; + + NVWriteRAMDAC(dev, ramdac, NV_PRAMDAC_FP_TMDS_DATA + dl * 8, data); + NVWriteRAMDAC(dev, ramdac, NV_PRAMDAC_FP_TMDS_CONTROL + dl * 8, address); +} + +static inline void NVWriteVgaCrtc(struct drm_device *dev, + int head, uint8_t index, uint8_t value) +{ + NV_REG_DEBUG(VGACRTC, dev, "head %d index 0x%02x data 0x%02x\n", + head, index, value); + nv_wr08(dev, NV_PRMCIO_CRX__COLOR + head * NV_PRMCIO_SIZE, index); + nv_wr08(dev, NV_PRMCIO_CR__COLOR + head * NV_PRMCIO_SIZE, value); +} + +static inline uint8_t NVReadVgaCrtc(struct drm_device *dev, + int head, uint8_t index) +{ + uint8_t val; + nv_wr08(dev, NV_PRMCIO_CRX__COLOR + head * NV_PRMCIO_SIZE, index); + val = nv_rd08(dev, NV_PRMCIO_CR__COLOR + head * NV_PRMCIO_SIZE); + NV_REG_DEBUG(VGACRTC, dev, "head %d index 0x%02x data 0x%02x\n", + head, index, val); + return val; +} + +/* CR57 and CR58 are a fun pair of regs. CR57 provides an index (0-0xf) for CR58 + * I suspect they in fact do nothing, but are merely a way to carry useful + * per-head variables around + * + * Known uses: + * CR57 CR58 + * 0x00 index to the appropriate dcb entry (or 7f for inactive) + * 0x02 dcb entry's "or" value (or 00 for inactive) + * 0x03 bit0 set for dual link (LVDS, possibly elsewhere too) + * 0x08 or 0x09 pxclk in MHz + * 0x0f laptop panel info - low nibble for PEXTDEV_BOOT_0 strap + * high nibble for xlat strap value + */ + +static inline void +NVWriteVgaCrtc5758(struct drm_device *dev, int head, uint8_t index, uint8_t value) +{ + NVWriteVgaCrtc(dev, head, NV_CIO_CRE_57, index); + NVWriteVgaCrtc(dev, head, NV_CIO_CRE_58, value); +} + +static inline uint8_t NVReadVgaCrtc5758(struct drm_device *dev, int head, uint8_t index) +{ + NVWriteVgaCrtc(dev, head, NV_CIO_CRE_57, index); + return NVReadVgaCrtc(dev, head, NV_CIO_CRE_58); +} + +static inline uint8_t NVReadPRMVIO(struct drm_device *dev, + int head, uint32_t reg) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + uint8_t val; + + /* Only NV4x have two pvio ranges; other twoHeads cards MUST call + * NVSetOwner for the relevant head to be programmed */ + if (head && dev_priv->card_type == NV_40) + reg += NV_PRMVIO_SIZE; + + val = nv_rd08(dev, reg); + NV_REG_DEBUG(RMVIO, dev, "head %d reg %08x val %02x\n", head, reg, val); + return val; +} + +static inline void NVWritePRMVIO(struct drm_device *dev, + int head, uint32_t reg, uint8_t value) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + /* Only NV4x have two pvio ranges; other twoHeads cards MUST call + * NVSetOwner for the relevant head to be programmed */ + if (head && dev_priv->card_type == NV_40) + reg += NV_PRMVIO_SIZE; + + NV_REG_DEBUG(RMVIO, dev, "head %d reg %08x val %02x\n", + head, reg, value); + nv_wr08(dev, reg, value); +} + +static inline void NVSetEnablePalette(struct drm_device *dev, int head, bool enable) +{ + nv_rd08(dev, NV_PRMCIO_INP0__COLOR + head * NV_PRMCIO_SIZE); + nv_wr08(dev, NV_PRMCIO_ARX + head * NV_PRMCIO_SIZE, enable ? 0 : 0x20); +} + +static inline bool NVGetEnablePalette(struct drm_device *dev, int head) +{ + nv_rd08(dev, NV_PRMCIO_INP0__COLOR + head * NV_PRMCIO_SIZE); + return !(nv_rd08(dev, NV_PRMCIO_ARX + head * NV_PRMCIO_SIZE) & 0x20); +} + +static inline void NVWriteVgaAttr(struct drm_device *dev, + int head, uint8_t index, uint8_t value) +{ + if (NVGetEnablePalette(dev, head)) + index &= ~0x20; + else + index |= 0x20; + + nv_rd08(dev, NV_PRMCIO_INP0__COLOR + head * NV_PRMCIO_SIZE); + NV_REG_DEBUG(VGAATTR, dev, "head %d index 0x%02x data 0x%02x\n", + head, index, value); + nv_wr08(dev, NV_PRMCIO_ARX + head * NV_PRMCIO_SIZE, index); + nv_wr08(dev, NV_PRMCIO_AR__WRITE + head * NV_PRMCIO_SIZE, value); +} + +static inline uint8_t NVReadVgaAttr(struct drm_device *dev, + int head, uint8_t index) +{ + uint8_t val; + if (NVGetEnablePalette(dev, head)) + index &= ~0x20; + else + index |= 0x20; + + nv_rd08(dev, NV_PRMCIO_INP0__COLOR + head * NV_PRMCIO_SIZE); + nv_wr08(dev, NV_PRMCIO_ARX + head * NV_PRMCIO_SIZE, index); + val = nv_rd08(dev, NV_PRMCIO_AR__READ + head * NV_PRMCIO_SIZE); + NV_REG_DEBUG(VGAATTR, dev, "head %d index 0x%02x data 0x%02x\n", + head, index, val); + return val; +} + +static inline void NVVgaSeqReset(struct drm_device *dev, int head, bool start) +{ + NVWriteVgaSeq(dev, head, NV_VIO_SR_RESET_INDEX, start ? 0x1 : 0x3); +} + +static inline void NVVgaProtect(struct drm_device *dev, int head, bool protect) +{ + uint8_t seq1 = NVReadVgaSeq(dev, head, NV_VIO_SR_CLOCK_INDEX); + + if (protect) { + NVVgaSeqReset(dev, head, true); + NVWriteVgaSeq(dev, head, NV_VIO_SR_CLOCK_INDEX, seq1 | 0x20); + } else { + /* Reenable sequencer, then turn on screen */ + NVWriteVgaSeq(dev, head, NV_VIO_SR_CLOCK_INDEX, seq1 & ~0x20); /* reenable display */ + NVVgaSeqReset(dev, head, false); + } + NVSetEnablePalette(dev, head, protect); +} + +static inline bool +nv_heads_tied(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + if (dev_priv->chipset == 0x11) + return !!(nvReadMC(dev, NV_PBUS_DEBUG_1) & (1 << 28)); + + return NVReadVgaCrtc(dev, 0, NV_CIO_CRE_44) & 0x4; +} + +/* makes cr0-7 on the specified head read-only */ +static inline bool +nv_lock_vga_crtc_base(struct drm_device *dev, int head, bool lock) +{ + uint8_t cr11 = NVReadVgaCrtc(dev, head, NV_CIO_CR_VRE_INDEX); + bool waslocked = cr11 & 0x80; + + if (lock) + cr11 |= 0x80; + else + cr11 &= ~0x80; + NVWriteVgaCrtc(dev, head, NV_CIO_CR_VRE_INDEX, cr11); + + return waslocked; +} + +static inline void +nv_lock_vga_crtc_shadow(struct drm_device *dev, int head, int lock) +{ + /* shadow lock: connects 0x60?3d? regs to "real" 0x3d? regs + * bit7: unlocks HDT, HBS, HBE, HRS, HRE, HEB + * bit6: seems to have some effect on CR09 (double scan, VBS_9) + * bit5: unlocks HDE + * bit4: unlocks VDE + * bit3: unlocks VDT, OVL, VRS, ?VRE?, VBS, VBE, LSR, EBR + * bit2: same as bit 1 of 0x60?804 + * bit0: same as bit 0 of 0x60?804 + */ + + uint8_t cr21 = lock; + + if (lock < 0) + /* 0xfa is generic "unlock all" mask */ + cr21 = NVReadVgaCrtc(dev, head, NV_CIO_CRE_21) | 0xfa; + + NVWriteVgaCrtc(dev, head, NV_CIO_CRE_21, cr21); +} + +/* renders the extended crtc regs (cr19+) on all crtcs impervious: + * immutable and unreadable + */ +static inline bool +NVLockVgaCrtcs(struct drm_device *dev, bool lock) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + bool waslocked = !NVReadVgaCrtc(dev, 0, NV_CIO_SR_LOCK_INDEX); + + NVWriteVgaCrtc(dev, 0, NV_CIO_SR_LOCK_INDEX, + lock ? NV_CIO_SR_LOCK_VALUE : NV_CIO_SR_UNLOCK_RW_VALUE); + /* NV11 has independently lockable extended crtcs, except when tied */ + if (dev_priv->chipset == 0x11 && !nv_heads_tied(dev)) + NVWriteVgaCrtc(dev, 1, NV_CIO_SR_LOCK_INDEX, + lock ? NV_CIO_SR_LOCK_VALUE : + NV_CIO_SR_UNLOCK_RW_VALUE); + + return waslocked; +} + +/* nv04 cursor max dimensions of 32x32 (A1R5G5B5) */ +#define NV04_CURSOR_SIZE 32 +/* limit nv10 cursors to 64x64 (ARGB8) (we could go to 64x255) */ +#define NV10_CURSOR_SIZE 64 + +static inline int nv_cursor_width(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + return dev_priv->card_type >= NV_10 ? NV10_CURSOR_SIZE : NV04_CURSOR_SIZE; +} + +static inline void +nv_fix_nv40_hw_cursor(struct drm_device *dev, int head) +{ + /* on some nv40 (such as the "true" (in the NV_PFB_BOOT_0 sense) nv40, + * the gf6800gt) a hardware bug requires a write to PRAMDAC_CURSOR_POS + * for changes to the CRTC CURCTL regs to take effect, whether changing + * the pixmap location, or just showing/hiding the cursor + */ + uint32_t curpos = NVReadRAMDAC(dev, head, NV_PRAMDAC_CU_START_POS); + NVWriteRAMDAC(dev, head, NV_PRAMDAC_CU_START_POS, curpos); +} + +static inline void +nv_show_cursor(struct drm_device *dev, int head, bool show) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + uint8_t *curctl1 = + &dev_priv->mode_reg.crtc_reg[head].CRTC[NV_CIO_CRE_HCUR_ADDR1_INDEX]; + + if (show) + *curctl1 |= MASK(NV_CIO_CRE_HCUR_ADDR1_ENABLE); + else + *curctl1 &= ~MASK(NV_CIO_CRE_HCUR_ADDR1_ENABLE); + NVWriteVgaCrtc(dev, head, NV_CIO_CRE_HCUR_ADDR1_INDEX, *curctl1); + + if (dev_priv->card_type == NV_40) + nv_fix_nv40_hw_cursor(dev, head); +} + +static inline uint32_t +nv_pitch_align(struct drm_device *dev, uint32_t width, int bpp) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + int mask; + + if (bpp == 15) + bpp = 16; + if (bpp == 24) + bpp = 8; + + /* Alignment requirements taken from the Haiku driver */ + if (dev_priv->card_type == NV_04) + mask = 128 / bpp - 1; + else + mask = 512 / bpp - 1; + + return (width + mask) & ~mask; +} + +#endif /* __NOUVEAU_HW_H__ */ |