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* Copyright 1993-2003 NVIDIA, Corporation
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* Copyright 2008 Stuart Bennett
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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#include "nv_include.h"
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uint32_t NVRead(NVPtr pNv, uint32_t reg)
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DDXMMIOW("NVRead: reg %08x val %08x\n", reg, (uint32_t)NV_RD32(pNv->REGS, reg));
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return NV_RD32(pNv->REGS, reg);
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void NVWrite(NVPtr pNv, uint32_t reg, uint32_t val)
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DDXMMIOW("NVWrite: reg %08x val %08x\n", reg, NV_WR32(pNv->REGS, reg, val));
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uint32_t NVReadCRTC(NVPtr pNv, int head, uint32_t reg)
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reg += NV_PCRTC0_SIZE;
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DDXMMIOH("NVReadCRTC: head %d reg %08x val %08x\n", head, reg, (uint32_t)NV_RD32(pNv->REGS, reg));
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return NV_RD32(pNv->REGS, reg);
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void NVWriteCRTC(NVPtr pNv, int head, uint32_t reg, uint32_t val)
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reg += NV_PCRTC0_SIZE;
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DDXMMIOH("NVWriteCRTC: head %d reg %08x val %08x\n", head, reg, val);
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NV_WR32(pNv->REGS, reg, val);
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uint32_t NVReadRAMDAC(NVPtr pNv, int head, uint32_t reg)
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reg += NV_PRAMDAC0_SIZE;
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DDXMMIOH("NVReadRamdac: head %d reg %08x val %08x\n", head, reg, (uint32_t)NV_RD32(pNv->REGS, reg));
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return NV_RD32(pNv->REGS, reg);
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void NVWriteRAMDAC(NVPtr pNv, int head, uint32_t reg, uint32_t val)
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reg += NV_PRAMDAC0_SIZE;
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DDXMMIOH("NVWriteRamdac: head %d reg %08x val %08x\n", head, reg, val);
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NV_WR32(pNv->REGS, reg, val);
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uint8_t nv_read_tmds(NVPtr pNv, int or, int dl, uint8_t address)
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int ramdac = (or & OUTPUT_C) >> 2;
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NVWriteRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_CONTROL + dl * 8,
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NV_RAMDAC_FP_TMDS_CONTROL_WRITE_DISABLE | address);
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return NVReadRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_DATA + dl * 8);
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int nv_get_digital_bound_head(NVPtr pNv, int or)
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/* special case of nv_read_tmds to find crtc associated with an output.
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* this does not give a correct answer for off-chip dvi, but there's no
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* use for such an answer anyway
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int ramdac = (or & OUTPUT_C) >> 2;
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NVWriteRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_CONTROL,
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NV_RAMDAC_FP_TMDS_CONTROL_WRITE_DISABLE | 0x4);
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return (((NVReadRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_DATA) & 0x8) >> 3) ^ ramdac);
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void nv_write_tmds(NVPtr pNv, int or, int dl, uint8_t address, uint8_t data)
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int ramdac = (or & OUTPUT_C) >> 2;
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NVWriteRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_DATA + dl * 8, data);
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NVWriteRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_CONTROL + dl * 8, address);
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void NVWriteVgaCrtc(NVPtr pNv, int head, uint8_t index, uint8_t value)
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uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
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DDXMMIOH("NVWriteVgaCrtc: head %d index 0x%02x data 0x%02x\n", head, index, value);
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NV_WR08(pNv->REGS, CRTC_INDEX_COLOR + mmiobase, index);
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NV_WR08(pNv->REGS, CRTC_DATA_COLOR + mmiobase, value);
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uint8_t NVReadVgaCrtc(NVPtr pNv, int head, uint8_t index)
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uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
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NV_WR08(pNv->REGS, CRTC_INDEX_COLOR + mmiobase, index);
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DDXMMIOH("NVReadVgaCrtc: head %d index 0x%02x data 0x%02x\n", head, index, NV_RD08(pNv->REGS, CRTC_DATA_COLOR + mmiobase));
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return NV_RD08(pNv->REGS, CRTC_DATA_COLOR + mmiobase);
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/* CR57 and CR58 are a fun pair of regs. CR57 provides an index (0-0xf) for CR58
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* I suspect they in fact do nothing, but are merely a way to carry useful
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* per-head variables around
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* 0x00 index to the appropriate dcb entry (or 7f for inactive)
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* 0x02 dcb entry's "or" value (or 00 for inactive)
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* 0x03 bit0 set for dual link (LVDS, possibly elsewhere too)
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* 0x08 or 0x09 pxclk in MHz
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* 0x0f laptop panel info - low nibble for PEXTDEV_BOOT_0 strap
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* high nibble for xlat strap value
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void NVWriteVgaCrtc5758(NVPtr pNv, int head, uint8_t index, uint8_t value)
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NVWriteVgaCrtc(pNv, head, 0x57, index);
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NVWriteVgaCrtc(pNv, head, 0x58, value);
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uint8_t NVReadVgaCrtc5758(NVPtr pNv, int head, uint8_t index)
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NVWriteVgaCrtc(pNv, head, 0x57, index);
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return NVReadVgaCrtc(pNv, head, 0x58);
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uint8_t NVReadPVIO(NVPtr pNv, int head, uint16_t port)
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/* Only NV4x have two pvio ranges */
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uint32_t mmiobase = (head && pNv->Architecture == NV_ARCH_40) ? NV_PVIO1_OFFSET : NV_PVIO0_OFFSET;
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DDXMMIOH("NVReadPVIO: head %d reg %08x val %02x\n", head, port + mmiobase, NV_RD08(pNv->REGS, port + mmiobase));
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return NV_RD08(pNv->REGS, port + mmiobase);
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void NVWritePVIO(NVPtr pNv, int head, uint16_t port, uint8_t value)
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/* Only NV4x have two pvio ranges */
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uint32_t mmiobase = (head && pNv->Architecture == NV_ARCH_40) ? NV_PVIO1_OFFSET : NV_PVIO0_OFFSET;
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DDXMMIOH("NVWritePVIO: head %d reg %08x val %02x\n", head, port + mmiobase, value);
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NV_WR08(pNv->REGS, port + mmiobase, value);
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void NVWriteVgaSeq(NVPtr pNv, int head, uint8_t index, uint8_t value)
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NVWritePVIO(pNv, head, VGA_SEQ_INDEX, index);
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NVWritePVIO(pNv, head, VGA_SEQ_DATA, value);
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uint8_t NVReadVgaSeq(NVPtr pNv, int head, uint8_t index)
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NVWritePVIO(pNv, head, VGA_SEQ_INDEX, index);
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return NVReadPVIO(pNv, head, VGA_SEQ_DATA);
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void NVWriteVgaGr(NVPtr pNv, int head, uint8_t index, uint8_t value)
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NVWritePVIO(pNv, head, VGA_GRAPH_INDEX, index);
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NVWritePVIO(pNv, head, VGA_GRAPH_DATA, value);
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uint8_t NVReadVgaGr(NVPtr pNv, int head, uint8_t index)
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NVWritePVIO(pNv, head, VGA_GRAPH_INDEX, index);
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return NVReadPVIO(pNv, head, VGA_GRAPH_DATA);
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#define CRTC_IN_STAT_1 0x3da
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void NVSetEnablePalette(NVPtr pNv, int head, bool enable)
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uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
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VGA_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
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VGA_WR08(pNv->REGS, VGA_ATTR_INDEX + mmiobase, enable ? 0 : 0x20);
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static bool NVGetEnablePalette(NVPtr pNv, int head)
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uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
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VGA_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
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return !(VGA_RD08(pNv->REGS, VGA_ATTR_INDEX + mmiobase) & 0x20);
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void NVWriteVgaAttr(NVPtr pNv, int head, uint8_t index, uint8_t value)
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uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
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if (NVGetEnablePalette(pNv, head))
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NV_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
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DDXMMIOH("NVWriteVgaAttr: head %d index 0x%02x data 0x%02x\n", head, index, value);
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NV_WR08(pNv->REGS, VGA_ATTR_INDEX + mmiobase, index);
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NV_WR08(pNv->REGS, VGA_ATTR_DATA_W + mmiobase, value);
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uint8_t NVReadVgaAttr(NVPtr pNv, int head, uint8_t index)
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uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
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if (NVGetEnablePalette(pNv, head))
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NV_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
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NV_WR08(pNv->REGS, VGA_ATTR_INDEX + mmiobase, index);
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DDXMMIOH("NVReadVgaAttr: head %d index 0x%02x data 0x%02x\n", head, index, NV_RD08(pNv->REGS, VGA_ATTR_DATA_R + mmiobase));
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return NV_RD08(pNv->REGS, VGA_ATTR_DATA_R + mmiobase);
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void NVVgaSeqReset(NVPtr pNv, int head, bool start)
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NVWriteVgaSeq(pNv, head, 0x0, start ? 0x1 : 0x3);
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void NVVgaProtect(NVPtr pNv, int head, bool protect)
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uint8_t seq1 = NVReadVgaSeq(pNv, head, 0x1);
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NVVgaSeqReset(pNv, head, true);
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NVWriteVgaSeq(pNv, head, 0x01, seq1 | 0x20);
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/* Reenable sequencer, then turn on screen */
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NVWriteVgaSeq(pNv, head, 0x01, seq1 & ~0x20); /* reenable display */
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NVVgaSeqReset(pNv, head, false);
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NVSetEnablePalette(pNv, head, protect);
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void NVSetOwner(ScrnInfoPtr pScrn, int head)
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NVPtr pNv = NVPTR(pScrn);
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/* CRTCX_OWNER is always changed on CRTC0 */
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NVWriteVgaCrtc(pNv, 0, NV_VGA_CRTCX_OWNER, head * 0x3);
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xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Setting owner: 0x%X.\n", head * 0x3);
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void NVLockVgaCrtc(NVPtr pNv, int head, bool lock)
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NVWriteVgaCrtc(pNv, head, NV_VGA_CRTCX_LOCK, lock ? 0x99 : 0x57);
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cr11 = NVReadVgaCrtc(pNv, head, NV_VGA_CRTCX_VSYNCE);
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NVWriteVgaCrtc(pNv, head, NV_VGA_CRTCX_VSYNCE, cr11);
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void NVBlankScreen(ScrnInfoPtr pScrn, int head, bool blank)
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NVPtr pNv = NVPTR(pScrn);
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NVSetOwner(pScrn, head);
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seq1 = NVReadVgaSeq(pNv, head, 0x1);
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NVVgaSeqReset(pNv, head, TRUE);
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NVWriteVgaSeq(pNv, head, 0x1, seq1 | 0x20);
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NVWriteVgaSeq(pNv, head, 0x1, seq1 & ~0x20);
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NVVgaSeqReset(pNv, head, FALSE);
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int nv_decode_pll_highregs(NVPtr pNv, uint32_t pll1, uint32_t pll2, bool force_single, int refclk)
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int M1, N1, M2 = 1, N2 = 1, log2P;
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N1 = (pll1 >> 8) & 0xff;
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log2P = (pll1 >> 16) & 0x7; /* never more than 6, and nv30/35 only uses 3 bits */
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if (pNv->twoStagePLL && pll2 & NV31_RAMDAC_ENABLE_VCO2 && !force_single) {
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N2 = (pll2 >> 8) & 0xff;
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} else if (pNv->NVArch == 0x30 || pNv->NVArch == 0x35) {
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M1 &= 0xf; /* only 4 bits */
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if (pll1 & NV30_RAMDAC_ENABLE_VCO2) {
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M2 = (pll1 >> 4) & 0x7;
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N2 = ((pll2 >> 21) & 0x18) | ((pll2 >> 19) & 0x7);
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/* Avoid divide by zero if called at an inappropriate time */
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return (N1 * N2 * refclk / (M1 * M2)) >> log2P;
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static int nv_decode_pll_lowregs(uint32_t Pval, uint32_t NMNM, int refclk)
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int M1, N1, M2 = 1, N2 = 1, log2P;
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log2P = (Pval >> 16) & 0x7;
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N1 = (NMNM >> 8) & 0xff;
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/* NVPLL and VPLLs use 1 << 8 to indicate single stage mode, MPLL uses 1 << 12 */
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if (!(Pval & (1 << 8) || Pval & (1 << 12))) {
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M2 = (NMNM >> 16) & 0xff;
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N2 = (NMNM >> 24) & 0xff;
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/* Avoid divide by zero if called at an inappropriate time */
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return (N1 * N2 * refclk / (M1 * M2)) >> log2P;
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static int nv_get_clock(NVPtr pNv, enum pll_types plltype)
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const uint32_t nv04_regs[MAX_PLL_TYPES] = { NV_RAMDAC_NVPLL, NV_RAMDAC_MPLL, NV_RAMDAC_VPLL, NV_RAMDAC_VPLL2 };
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const uint32_t nv40_regs[MAX_PLL_TYPES] = { 0x4000, 0x4020, NV_RAMDAC_VPLL, NV_RAMDAC_VPLL2 };
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struct pll_lims pll_lim;
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if (pNv->Architecture < NV_ARCH_40)
351
reg1 = nv04_regs[plltype];
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reg1 = nv40_regs[plltype];
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/* XXX no pScrn. CrystalFreqKHz is good enough for current nv_get_clock users though
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if (!get_pll_limits(pScrn, plltype, &pll_lim))
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pll_lim.refclk = pNv->CrystalFreqKHz;
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return nv_decode_pll_lowregs(nvReadMC(pNv, reg1), nvReadMC(pNv, reg1 + 4), pll_lim.refclk);
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if (pNv->twoStagePLL) {
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bool nv40_single = pNv->Architecture == 0x40 && ((plltype == VPLL1 && NVReadRAMDAC(pNv, 0, NV_RAMDAC_580) & NV_RAMDAC_580_VPLL1_ACTIVE) || (plltype == VPLL2 && NVReadRAMDAC(pNv, 0, NV_RAMDAC_580) & NV_RAMDAC_580_VPLL2_ACTIVE));
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return nv_decode_pll_highregs(pNv, nvReadMC(pNv, reg1), nvReadMC(pNv, reg1 + ((reg1 == NV_RAMDAC_VPLL2) ? 0x5c : 0x70)), nv40_single, pll_lim.refclk);
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return nv_decode_pll_highregs(pNv, nvReadMC(pNv, reg1), 0, false, pll_lim.refclk);
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/****************************************************************************\
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* The video arbitration routines calculate some "magic" numbers. Fixes *
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* the snow seen when accessing the framebuffer without it. *
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* It just works (I hope). *
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\****************************************************************************/
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int graphics_burst_size;
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int video_burst_size;
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int graphics_burst_size;
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int video_burst_size;
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uint8_t mem_page_miss;
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uint32_t memory_type;
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uint32_t memory_width;
417
uint8_t enable_video;
418
uint8_t gr_during_vid;
424
static void nv4CalcArbitration (
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int data, pagemiss, cas,width, video_enable, bpp;
430
int nvclks, mclks, pclks, vpagemiss, crtpagemiss, vbs;
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int found, mclk_extra, mclk_loop, cbs, m1, p1;
432
int mclk_freq, pclk_freq, nvclk_freq, mp_enable;
433
int us_m, us_n, us_p, video_drain_rate, crtc_drain_rate;
434
int vpm_us, us_video, vlwm, video_fill_us, cpm_us, us_crt,clwm;
437
pclk_freq = arb->pclk_khz;
438
mclk_freq = arb->mclk_khz;
439
nvclk_freq = arb->nvclk_khz;
440
pagemiss = arb->mem_page_miss;
441
cas = arb->mem_latency;
442
width = arb->memory_width >> 6;
443
video_enable = arb->enable_video;
445
mp_enable = arb->enable_mp;
476
mclk_loop = mclks+mclk_extra;
477
us_m = mclk_loop *1000*1000 / mclk_freq;
478
us_n = nvclks*1000*1000 / nvclk_freq;
479
us_p = nvclks*1000*1000 / pclk_freq;
482
video_drain_rate = pclk_freq * 2;
483
crtc_drain_rate = pclk_freq * bpp/8;
487
vpm_us = (vpagemiss * pagemiss)*1000*1000/mclk_freq;
488
if (nvclk_freq * 2 > mclk_freq * width)
489
video_fill_us = cbs*1000*1000 / 16 / nvclk_freq ;
491
video_fill_us = cbs*1000*1000 / (8 * width) / mclk_freq;
492
us_video = vpm_us + us_m + us_n + us_p + video_fill_us;
493
vlwm = us_video * video_drain_rate/(1000*1000);
496
if (vlwm > 128) vbs = 64;
497
if (vlwm > (256-64)) vbs = 32;
498
if (nvclk_freq * 2 > mclk_freq * width)
499
video_fill_us = vbs *1000*1000/ 16 / nvclk_freq ;
501
video_fill_us = vbs*1000*1000 / (8 * width) / mclk_freq;
502
cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
509
clwm = us_crt * crtc_drain_rate/(1000*1000);
514
crtc_drain_rate = pclk_freq * bpp/8;
517
cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
518
us_crt = cpm_us + us_m + us_n + us_p ;
519
clwm = us_crt * crtc_drain_rate/(1000*1000);
522
m1 = clwm + cbs - 512;
523
p1 = m1 * pclk_freq / mclk_freq;
525
if ((p1 < m1) && (m1 > 0))
529
if (mclk_extra ==0) found = 1;
532
else if (video_enable)
534
if ((clwm > 511) || (vlwm > 255))
538
if (mclk_extra ==0) found = 1;
548
if (mclk_extra ==0) found = 1;
552
if (clwm < 384) clwm = 384;
553
if (vlwm < 128) vlwm = 128;
555
fifo->graphics_lwm = data;
556
fifo->graphics_burst_size = 128;
557
data = (int)((vlwm+15));
558
fifo->video_lwm = data;
559
fifo->video_burst_size = vbs;
563
void nv4UpdateArbitrationSettings (
571
nv4_fifo_info fifo_data;
572
nv4_sim_state sim_data;
573
unsigned int MClk, NVClk, cfg1;
575
MClk = nv_get_clock(pNv, MPLL);
576
NVClk = nv_get_clock(pNv, NVPLL);
578
cfg1 = nvReadFB(pNv, NV_PFB_CFG1);
579
sim_data.pix_bpp = (char)pixelDepth;
580
sim_data.enable_video = 0;
581
sim_data.enable_mp = 0;
582
sim_data.memory_width = (nvReadEXTDEV(pNv, NV_PEXTDEV_BOOT_0) & 0x10) ? 128 : 64;
583
sim_data.mem_latency = (char)cfg1 & 0x0F;
584
sim_data.mem_aligned = 1;
585
sim_data.mem_page_miss = (char)(((cfg1 >> 4) &0x0F) + ((cfg1 >> 31) & 0x01));
586
sim_data.gr_during_vid = 0;
587
sim_data.pclk_khz = VClk;
588
sim_data.mclk_khz = MClk;
589
sim_data.nvclk_khz = NVClk;
590
nv4CalcArbitration(&fifo_data, &sim_data);
593
int b = fifo_data.graphics_burst_size >> 4;
595
while (b >>= 1) (*burst)++;
596
*lwm = fifo_data.graphics_lwm >> 3;
600
static void nv10CalcArbitration (
601
nv10_fifo_info *fifo,
605
int data, pagemiss, width, video_enable, bpp;
606
int nvclks, mclks, pclks, vpagemiss, crtpagemiss;
608
int found, mclk_extra, mclk_loop, cbs, m1;
609
int mclk_freq, pclk_freq, nvclk_freq, mp_enable;
610
int us_m, us_m_min, us_n, us_p, crtc_drain_rate;
612
int vpm_us, us_video, cpm_us, us_crt,clwm;
614
int m2us, us_pipe_min, p1clk, p2;
616
int us_min_mclk_extra;
619
pclk_freq = arb->pclk_khz; /* freq in KHz */
620
mclk_freq = arb->mclk_khz;
621
nvclk_freq = arb->nvclk_khz;
622
pagemiss = arb->mem_page_miss;
623
width = arb->memory_width/64;
624
video_enable = arb->enable_video;
626
mp_enable = arb->enable_mp;
631
pclks = 4; /* lwm detect. */
633
nvclks = 3; /* lwm -> sync. */
634
nvclks += 2; /* fbi bus cycles (1 req + 1 busy) */
636
mclks = 1; /* 2 edge sync. may be very close to edge so just put one. */
638
mclks += 1; /* arb_hp_req */
639
mclks += 5; /* ap_hp_req tiling pipeline */
641
mclks += 2; /* tc_req latency fifo */
642
mclks += 2; /* fb_cas_n_ memory request to fbio block */
643
mclks += 7; /* sm_d_rdv data returned from fbio block */
645
/* fb.rd.d.Put_gc need to accumulate 256 bits for read */
646
if (arb->memory_type == 0)
647
if (arb->memory_width == 64) /* 64 bit bus */
652
if (arb->memory_width == 64) /* 64 bit bus */
657
if ((!video_enable) && (arb->memory_width == 128))
659
mclk_extra = (bpp == 32) ? 31 : 42; /* Margin of error */
664
mclk_extra = (bpp == 32) ? 8 : 4; /* Margin of error */
665
/* mclk_extra = 4; */ /* Margin of error */
669
nvclks += 1; /* 2 edge sync. may be very close to edge so just put one. */
670
nvclks += 1; /* fbi_d_rdv_n */
671
nvclks += 1; /* Fbi_d_rdata */
672
nvclks += 1; /* crtfifo load */
675
mclks+=4; /* Mp can get in with a burst of 8. */
676
/* Extra clocks determined by heuristics */
684
mclk_loop = mclks+mclk_extra;
685
us_m = mclk_loop *1000*1000 / mclk_freq; /* Mclk latency in us */
686
us_m_min = mclks * 1000*1000 / mclk_freq; /* Minimum Mclk latency in us */
687
us_min_mclk_extra = min_mclk_extra *1000*1000 / mclk_freq;
688
us_n = nvclks*1000*1000 / nvclk_freq;/* nvclk latency in us */
689
us_p = pclks*1000*1000 / pclk_freq;/* nvclk latency in us */
690
us_pipe_min = us_m_min + us_n + us_p;
692
vus_m = mclk_loop *1000*1000 / mclk_freq; /* Mclk latency in us */
695
crtc_drain_rate = pclk_freq * bpp/8; /* MB/s */
697
vpagemiss = 1; /* self generating page miss */
698
vpagemiss += 1; /* One higher priority before */
700
crtpagemiss = 2; /* self generating page miss */
702
crtpagemiss += 1; /* if MA0 conflict */
704
vpm_us = (vpagemiss * pagemiss)*1000*1000/mclk_freq;
706
us_video = vpm_us + vus_m; /* Video has separate read return path */
708
cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
710
us_video /* Wait for video */
711
+cpm_us /* CRT Page miss */
712
+us_m + us_n +us_p /* other latency */
715
clwm = us_crt * crtc_drain_rate/(1000*1000);
716
clwm++; /* fixed point <= float_point - 1. Fixes that */
718
crtc_drain_rate = pclk_freq * bpp/8; /* bpp * pclk/8 */
720
crtpagemiss = 1; /* self generating page miss */
721
crtpagemiss += 1; /* MA0 page miss */
723
crtpagemiss += 1; /* if MA0 conflict */
724
cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
725
us_crt = cpm_us + us_m + us_n + us_p ;
726
clwm = us_crt * crtc_drain_rate/(1000*1000);
727
clwm++; /* fixed point <= float_point - 1. Fixes that */
729
/* Finally, a heuristic check when width == 64 bits */
731
nvclk_fill = nvclk_freq * 8;
732
if(crtc_drain_rate * 100 >= nvclk_fill * 102)
733
clwm = 0xfff; /*Large number to fail */
735
else if(crtc_drain_rate * 100 >= nvclk_fill * 98) {
748
clwm_rnd_down = ((int)clwm/8)*8;
749
if (clwm_rnd_down < clwm)
752
m1 = clwm + cbs - 1024; /* Amount of overfill */
753
m2us = us_pipe_min + us_min_mclk_extra;
755
/* pclk cycles to drain */
756
p1clk = m2us * pclk_freq/(1000*1000);
757
p2 = p1clk * bpp / 8; /* bytes drained. */
759
if((p2 < m1) && (m1 > 0)) {
762
if(min_mclk_extra == 0) {
764
found = 1; /* Can't adjust anymore! */
766
cbs = cbs/2; /* reduce the burst size */
772
if (clwm > 1023){ /* Have some margin */
775
if(min_mclk_extra == 0)
776
found = 1; /* Can't adjust anymore! */
782
if(clwm < (1024-cbs+8)) clwm = 1024-cbs+8;
784
/* printf("CRT LWM: %f bytes, prog: 0x%x, bs: 256\n", clwm, data ); */
785
fifo->graphics_lwm = data; fifo->graphics_burst_size = cbs;
787
fifo->video_lwm = 1024; fifo->video_burst_size = 512;
791
void nv10UpdateArbitrationSettings (
799
nv10_fifo_info fifo_data;
800
nv10_sim_state sim_data;
801
unsigned int MClk, NVClk, cfg1;
803
MClk = nv_get_clock(pNv, MPLL);
804
NVClk = nv_get_clock(pNv, NVPLL);
806
cfg1 = nvReadFB(pNv, NV_PFB_CFG1);
807
sim_data.pix_bpp = (char)pixelDepth;
808
sim_data.enable_video = 1;
809
sim_data.enable_mp = 0;
810
sim_data.memory_type = (nvReadFB(pNv, NV_PFB_CFG0) & 0x01) ? 1 : 0;
811
sim_data.memory_width = (nvReadEXTDEV(pNv, NV_PEXTDEV_BOOT_0) & 0x10) ? 128 : 64;
812
sim_data.mem_latency = (char)cfg1 & 0x0F;
813
sim_data.mem_aligned = 1;
814
sim_data.mem_page_miss = (char)(((cfg1>>4) &0x0F) + ((cfg1>>31) & 0x01));
815
sim_data.gr_during_vid = 0;
816
sim_data.pclk_khz = VClk;
817
sim_data.mclk_khz = MClk;
818
sim_data.nvclk_khz = NVClk;
819
nv10CalcArbitration(&fifo_data, &sim_data);
820
if (fifo_data.valid) {
821
int b = fifo_data.graphics_burst_size >> 4;
823
while (b >>= 1) (*burst)++;
824
*lwm = fifo_data.graphics_lwm >> 3;
829
void nv30UpdateArbitrationSettings (NVPtr pNv,
833
unsigned int fifo_size, burst_size, graphics_lwm;
837
graphics_lwm = fifo_size - burst_size;
841
while(burst_size >>= 1) (*burst)++;
842
*lwm = graphics_lwm >> 3;
845
#ifdef XSERVER_LIBPCIACCESS
847
struct pci_device GetDeviceByPCITAG(uint32_t bus, uint32_t dev, uint32_t func)
849
const struct pci_slot_match match[] = { {0, bus, dev, func, 0} };
850
struct pci_device_iterator *iterator;
851
struct pci_device *device;
853
/* assume one device to exist */
854
iterator = pci_slot_match_iterator_create(match);
855
device = pci_device_next(iterator);
860
#endif /* XSERVER_LIBPCIACCESS */
862
void nForceUpdateArbitrationSettings (unsigned VClk,
869
nv10_fifo_info fifo_data;
870
nv10_sim_state sim_data;
871
unsigned int MClk, NVClk, memctrl;
873
#ifdef XSERVER_LIBPCIACCESS
874
struct pci_device tmp;
875
#endif /* XSERVER_LIBPCIACCESS */
877
if((pNv->Chipset & 0x0FF0) == CHIPSET_NFORCE) {
878
unsigned int uMClkPostDiv;
880
#ifdef XSERVER_LIBPCIACCESS
881
tmp = GetDeviceByPCITAG(0, 0, 3);
882
PCI_DEV_READ_LONG(&tmp, 0x6C, &(uMClkPostDiv));
883
uMClkPostDiv = (uMClkPostDiv >> 8) & 0xf;
885
uMClkPostDiv = (pciReadLong(pciTag(0, 0, 3), 0x6C) >> 8) & 0xf;
886
#endif /* XSERVER_LIBPCIACCESS */
887
if(!uMClkPostDiv) uMClkPostDiv = 4;
888
MClk = 400000 / uMClkPostDiv;
890
#ifdef XSERVER_LIBPCIACCESS
891
tmp = GetDeviceByPCITAG(0, 0, 5);
892
PCI_DEV_READ_LONG(&tmp, 0x4C, &(MClk));
895
MClk = pciReadLong(pciTag(0, 0, 5), 0x4C) / 1000;
896
#endif /* XSERVER_LIBPCIACCESS */
899
NVClk = nv_get_clock(pNv, NVPLL);
900
sim_data.pix_bpp = (char)pixelDepth;
901
sim_data.enable_video = 0;
902
sim_data.enable_mp = 0;
903
#ifdef XSERVER_LIBPCIACCESS
904
tmp = GetDeviceByPCITAG(0, 0, 1);
905
PCI_DEV_READ_LONG(&tmp, 0x7C, &(sim_data.memory_type));
906
sim_data.memory_type = (sim_data.memory_type >> 12) & 1;
908
sim_data.memory_type = (pciReadLong(pciTag(0, 0, 1), 0x7C) >> 12) & 1;
909
#endif /* XSERVER_LIBPCIACCESS */
910
sim_data.memory_width = 64;
912
#ifdef XSERVER_LIBPCIACCESS
913
/* This offset is 0, is this even usefull? */
914
tmp = GetDeviceByPCITAG(0, 0, 3);
915
PCI_DEV_READ_LONG(&tmp, 0x00, &(memctrl));
918
memctrl = pciReadLong(pciTag(0, 0, 3), 0x00) >> 16;
919
#endif /* XSERVER_LIBPCIACCESS */
921
if((memctrl == 0x1A9) || (memctrl == 0x1AB) || (memctrl == 0x1ED)) {
923
#ifdef XSERVER_LIBPCIACCESS
924
tmp = GetDeviceByPCITAG(0, 0, 2);
925
PCI_DEV_READ_LONG(&tmp, 0x40, &(dimm[0]));
926
PCI_DEV_READ_LONG(&tmp, 0x44, &(dimm[1]));
927
PCI_DEV_READ_LONG(&tmp, 0x48, &(dimm[2]));
929
for (i = 0; i < 3; i++) {
930
dimm[i] = (dimm[i] >> 8) & 0x4F;
933
dimm[0] = (pciReadLong(pciTag(0, 0, 2), 0x40) >> 8) & 0x4F;
934
dimm[1] = (pciReadLong(pciTag(0, 0, 2), 0x44) >> 8) & 0x4F;
935
dimm[2] = (pciReadLong(pciTag(0, 0, 2), 0x48) >> 8) & 0x4F;
938
if((dimm[0] + dimm[1]) != dimm[2]) {
940
"your nForce DIMMs are not arranged in optimal banks!\n");
944
sim_data.mem_latency = 3;
945
sim_data.mem_aligned = 1;
946
sim_data.mem_page_miss = 10;
947
sim_data.gr_during_vid = 0;
948
sim_data.pclk_khz = VClk;
949
sim_data.mclk_khz = MClk;
950
sim_data.nvclk_khz = NVClk;
951
nv10CalcArbitration(&fifo_data, &sim_data);
954
int b = fifo_data.graphics_burst_size >> 4;
956
while (b >>= 1) (*burst)++;
957
*lwm = fifo_data.graphics_lwm >> 3;
962
/****************************************************************************\
964
* RIVA Mode State Routines *
966
\****************************************************************************/
969
* Calculate the Video Clock parameters for the PLL.
971
static void CalcVClock (
978
unsigned lowM, highM;
979
unsigned DeltaNew, DeltaOld;
983
DeltaOld = 0xFFFFFFFF;
985
VClk = (unsigned)clockIn;
987
if (pNv->CrystalFreqKHz == 13500) {
995
for (P = 0; P <= 4; P++) {
997
if ((Freq >= 128000) && (Freq <= 350000)) {
998
for (M = lowM; M <= highM; M++) {
999
N = ((VClk << P) * M) / pNv->CrystalFreqKHz;
1001
Freq = ((pNv->CrystalFreqKHz * N) / M) >> P;
1003
DeltaNew = Freq - VClk;
1005
DeltaNew = VClk - Freq;
1006
if (DeltaNew < DeltaOld) {
1007
*pllOut = (P << 16) | (N << 8) | M;
1009
DeltaOld = DeltaNew;
1017
static void CalcVClock2Stage (
1025
unsigned DeltaNew, DeltaOld;
1026
unsigned VClk, Freq;
1029
DeltaOld = 0xFFFFFFFF;
1031
*pllBOut = 0x80000401; /* fixed at x4 for now */
1033
VClk = (unsigned)clockIn;
1035
for (P = 0; P <= 6; P++) {
1037
if ((Freq >= 400000) && (Freq <= 1000000)) {
1038
for (M = 1; M <= 13; M++) {
1039
N = ((VClk << P) * M) / (pNv->CrystalFreqKHz << 2);
1040
if((N >= 5) && (N <= 255)) {
1041
Freq = (((pNv->CrystalFreqKHz << 2) * N) / M) >> P;
1043
DeltaNew = Freq - VClk;
1045
DeltaNew = VClk - Freq;
1046
if (DeltaNew < DeltaOld) {
1047
*pllOut = (P << 16) | (N << 8) | M;
1049
DeltaOld = DeltaNew;
1058
* Calculate extended mode parameters (SVGA) and save in a
1059
* mode state structure.
1061
void NVCalcStateExt (
1063
RIVA_HW_STATE *state,
1072
int pixelDepth, VClk = 0;
1076
* Save mode parameters.
1078
state->bpp = bpp; /* this is not bitsPerPixel, it's 8,15,16,32 */
1079
state->width = width;
1080
state->height = height;
1082
* Extended RIVA registers.
1084
pixelDepth = (bpp + 1)/8;
1085
if(pNv->twoStagePLL)
1086
CalcVClock2Stage(dotClock, &VClk, &state->pll, &state->pllB, pNv);
1088
CalcVClock(dotClock, &VClk, &state->pll, pNv);
1090
switch (pNv->Architecture)
1093
nv4UpdateArbitrationSettings(VClk,
1095
&(state->arbitration0),
1096
&(state->arbitration1),
1098
state->cursor0 = 0x00;
1099
state->cursor1 = 0xbC;
1100
if (flags & V_DBLSCAN)
1101
state->cursor1 |= 2;
1102
state->cursor2 = 0x00000000;
1103
state->pllsel = 0x10000700;
1104
state->general = bpp == 16 ? 0x00101100 : 0x00100100;
1105
state->repaint1 = hDisplaySize < 1280 ? 0x04 : 0x00;
1111
if(((pNv->Chipset & 0xfff0) == CHIPSET_C51) ||
1112
((pNv->Chipset & 0xfff0) == CHIPSET_C512))
1114
state->arbitration0 = 128;
1115
state->arbitration1 = 0x0480;
1117
if(((pNv->Chipset & 0xffff) == CHIPSET_NFORCE) ||
1118
((pNv->Chipset & 0xffff) == CHIPSET_NFORCE2))
1120
nForceUpdateArbitrationSettings(VClk,
1122
&(state->arbitration0),
1123
&(state->arbitration1),
1125
} else if(pNv->Architecture < NV_ARCH_30) {
1126
nv10UpdateArbitrationSettings(VClk,
1128
&(state->arbitration0),
1129
&(state->arbitration1),
1132
nv30UpdateArbitrationSettings(pNv,
1133
&(state->arbitration0),
1134
&(state->arbitration1));
1136
CursorStart = pNv->Cursor->offset;
1137
state->cursor0 = 0x80 | (CursorStart >> 17);
1138
state->cursor1 = (CursorStart >> 11) << 2;
1139
state->cursor2 = CursorStart >> 24;
1140
if (flags & V_DBLSCAN)
1141
state->cursor1 |= 2;
1142
state->pllsel = 0x10000700;
1143
state->general = bpp == 16 ? 0x00101100 : 0x00100100;
1144
state->repaint1 = hDisplaySize < 1280 ? 0x04 : 0x00;
1148
if(bpp != 8) /* DirectColor */
1149
state->general |= 0x00000030;
1151
state->repaint0 = (((width / 8) * pixelDepth) & 0x700) >> 3;
1152
state->pixel = (pixelDepth > 2) ? 3 : pixelDepth;
1156
void NVLoadStateExt (
1158
RIVA_HW_STATE *state
1161
NVPtr pNv = NVPTR(pScrn);
1164
if(pNv->Architecture >= NV_ARCH_40) {
1165
switch(pNv->Chipset & 0xfff0) {
1174
temp = nvReadCurRAMDAC(pNv, NV_RAMDAC_TEST_CONTROL);
1175
nvWriteCurRAMDAC(pNv, NV_RAMDAC_TEST_CONTROL, temp | 0x00100000);
1182
if(pNv->Architecture >= NV_ARCH_10) {
1184
NVWriteCRTC(pNv, 0, NV_CRTC_FSEL, state->head);
1185
NVWriteCRTC(pNv, 1, NV_CRTC_FSEL, state->head2);
1187
temp = nvReadCurRAMDAC(pNv, NV_RAMDAC_NV10_CURSYNC);
1188
nvWriteCurRAMDAC(pNv, NV_RAMDAC_NV10_CURSYNC, temp | (1 << 25));
1190
nvWriteVIDEO(pNv, NV_PVIDEO_STOP, 1);
1191
nvWriteVIDEO(pNv, NV_PVIDEO_INTR_EN, 0);
1192
nvWriteVIDEO(pNv, NV_PVIDEO_OFFSET_BUFF(0), 0);
1193
nvWriteVIDEO(pNv, NV_PVIDEO_OFFSET_BUFF(1), 0);
1194
nvWriteVIDEO(pNv, NV_PVIDEO_LIMIT(0), pNv->VRAMPhysicalSize - 1);
1195
nvWriteVIDEO(pNv, NV_PVIDEO_LIMIT(1), pNv->VRAMPhysicalSize - 1);
1196
nvWriteVIDEO(pNv, NV_PVIDEO_UVPLANE_LIMIT(0), pNv->VRAMPhysicalSize - 1);
1197
nvWriteVIDEO(pNv, NV_PVIDEO_UVPLANE_LIMIT(1), pNv->VRAMPhysicalSize - 1);
1198
nvWriteMC(pNv, NV_PBUS_POWERCTRL_2, 0);
1200
nvWriteCurCRTC(pNv, NV_CRTC_CURSOR_CONFIG, state->cursorConfig);
1201
nvWriteCurCRTC(pNv, NV_CRTC_0830, state->displayV - 3);
1202
nvWriteCurCRTC(pNv, NV_CRTC_0834, state->displayV - 1);
1204
if(pNv->FlatPanel) {
1205
if((pNv->Chipset & 0x0ff0) == CHIPSET_NV11) {
1206
nvWriteCurRAMDAC(pNv, NV_RAMDAC_DITHER_NV11, state->dither);
1209
nvWriteCurRAMDAC(pNv, NV_RAMDAC_FP_DITHER, state->dither);
1212
nvWriteCurVGA(pNv, NV_VGA_CRTCX_FP_HTIMING, state->timingH);
1213
nvWriteCurVGA(pNv, NV_VGA_CRTCX_FP_VTIMING, state->timingV);
1214
nvWriteCurVGA(pNv, NV_VGA_CRTCX_BUFFER, 0xfa);
1217
nvWriteCurVGA(pNv, NV_VGA_CRTCX_EXTRA, state->extra);
1220
nvWriteCurVGA(pNv, NV_VGA_CRTCX_REPAINT0, state->repaint0);
1221
nvWriteCurVGA(pNv, NV_VGA_CRTCX_REPAINT1, state->repaint1);
1222
nvWriteCurVGA(pNv, NV_VGA_CRTCX_LSR, state->screen);
1223
nvWriteCurVGA(pNv, NV_VGA_CRTCX_PIXEL, state->pixel);
1224
nvWriteCurVGA(pNv, NV_VGA_CRTCX_HEB, state->horiz);
1225
nvWriteCurVGA(pNv, NV_VGA_CRTCX_FIFO1, state->fifo);
1226
nvWriteCurVGA(pNv, NV_VGA_CRTCX_FIFO0, state->arbitration0);
1227
nvWriteCurVGA(pNv, NV_VGA_CRTCX_FIFO_LWM, state->arbitration1);
1228
if(pNv->Architecture >= NV_ARCH_30) {
1229
nvWriteCurVGA(pNv, NV_VGA_CRTCX_FIFO_LWM_NV30, state->arbitration1 >> 8);
1232
nvWriteCurVGA(pNv, NV_VGA_CRTCX_CURCTL0, state->cursor0);
1233
nvWriteCurVGA(pNv, NV_VGA_CRTCX_CURCTL1, state->cursor1);
1234
if(pNv->Architecture == NV_ARCH_40) { /* HW bug */
1235
volatile CARD32 curpos = nvReadCurRAMDAC(pNv, NV_RAMDAC_CURSOR_POS);
1236
nvWriteCurRAMDAC(pNv, NV_RAMDAC_CURSOR_POS, curpos);
1238
nvWriteCurVGA(pNv, NV_VGA_CRTCX_CURCTL2, state->cursor2);
1239
nvWriteCurVGA(pNv, NV_VGA_CRTCX_INTERLACE, state->interlace);
1241
if(!pNv->FlatPanel) {
1242
NVWriteRAMDAC(pNv, 0, NV_RAMDAC_PLL_SELECT, state->pllsel);
1243
NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL, state->vpll);
1245
NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL2, state->vpll2);
1246
if(pNv->twoStagePLL) {
1247
NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL_B, state->vpllB);
1248
NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL2_B, state->vpll2B);
1251
nvWriteCurRAMDAC(pNv, NV_RAMDAC_FP_CONTROL, state->scale);
1252
nvWriteCurRAMDAC(pNv, NV_RAMDAC_FP_HCRTC, state->crtcSync);
1254
nvWriteCurRAMDAC(pNv, NV_RAMDAC_GENERAL_CONTROL, state->general);
1256
nvWriteCurCRTC(pNv, NV_CRTC_INTR_EN_0, 0);
1257
nvWriteCurCRTC(pNv, NV_CRTC_INTR_0, NV_CRTC_INTR_VBLANK);
1260
void NVUnloadStateExt
1263
RIVA_HW_STATE *state
1266
state->repaint0 = nvReadCurVGA(pNv, NV_VGA_CRTCX_REPAINT0);
1267
state->repaint1 = nvReadCurVGA(pNv, NV_VGA_CRTCX_REPAINT1);
1268
state->screen = nvReadCurVGA(pNv, NV_VGA_CRTCX_LSR);
1269
state->pixel = nvReadCurVGA(pNv, NV_VGA_CRTCX_PIXEL);
1270
state->horiz = nvReadCurVGA(pNv, NV_VGA_CRTCX_HEB);
1271
state->fifo = nvReadCurVGA(pNv, NV_VGA_CRTCX_FIFO1);
1272
state->arbitration0 = nvReadCurVGA(pNv, NV_VGA_CRTCX_FIFO0);
1273
state->arbitration1 = nvReadCurVGA(pNv, NV_VGA_CRTCX_FIFO_LWM);
1274
if(pNv->Architecture >= NV_ARCH_30) {
1275
state->arbitration1 |= (nvReadCurVGA(pNv, NV_VGA_CRTCX_FIFO_LWM_NV30) & 1) << 8;
1277
state->cursor0 = nvReadCurVGA(pNv, NV_VGA_CRTCX_CURCTL0);
1278
state->cursor1 = nvReadCurVGA(pNv, NV_VGA_CRTCX_CURCTL1);
1279
state->cursor2 = nvReadCurVGA(pNv, NV_VGA_CRTCX_CURCTL2);
1280
state->interlace = nvReadCurVGA(pNv, NV_VGA_CRTCX_INTERLACE);
1282
state->vpll = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL);
1284
state->vpll2 = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL2);
1285
if(pNv->twoStagePLL) {
1286
state->vpllB = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL_B);
1287
state->vpll2B = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL2_B);
1289
state->pllsel = NVReadRAMDAC(pNv, 0, NV_RAMDAC_PLL_SELECT);
1290
state->general = nvReadCurRAMDAC(pNv, NV_RAMDAC_GENERAL_CONTROL);
1291
state->scale = nvReadCurRAMDAC(pNv, NV_RAMDAC_FP_CONTROL);
1293
if(pNv->Architecture >= NV_ARCH_10) {
1295
state->head = NVReadCRTC(pNv, 0, NV_CRTC_FSEL);
1296
state->head2 = NVReadCRTC(pNv, 1, NV_CRTC_FSEL);
1297
state->crtcOwner = nvReadCurVGA(pNv, NV_VGA_CRTCX_OWNER);
1299
state->extra = nvReadCurVGA(pNv, NV_VGA_CRTCX_EXTRA);
1301
state->cursorConfig = nvReadCurCRTC(pNv, NV_CRTC_CURSOR_CONFIG);
1303
if((pNv->Chipset & 0x0ff0) == CHIPSET_NV11) {
1304
state->dither = nvReadCurRAMDAC(pNv, NV_RAMDAC_DITHER_NV11);
1307
state->dither = nvReadCurRAMDAC(pNv, NV_RAMDAC_FP_DITHER);
1310
if(pNv->FlatPanel) {
1311
state->timingH = nvReadCurVGA(pNv, NV_VGA_CRTCX_FP_HTIMING);
1312
state->timingV = nvReadCurVGA(pNv, NV_VGA_CRTCX_FP_VTIMING);
1316
if(pNv->FlatPanel) {
1317
state->crtcSync = nvReadCurRAMDAC(pNv, NV_RAMDAC_FP_HCRTC);
1321
void NVSetStartAddress (
1326
nvWriteCurCRTC(pNv, NV_CRTC_START, start);
1329
uint32_t nv_pitch_align(NVPtr pNv, uint32_t width, int bpp)
1338
/* Alignment requirements taken from the Haiku driver */
1339
if (pNv->Architecture == NV_ARCH_04 || pNv->NoAccel) /* CRTC only case */
1340
/* Apparently a hardware bug on some hardware makes this 128 instead of 64 */
1341
mask = 128 / bpp - 1;
1342
else /* Accel case */
1343
mask = 512 / bpp - 1;
1345
return (width + mask) & ~mask;
1348
#define VGA_SEQ_PLANE_WRITE 0x02
1349
#define VGA_SEQ_MEMORY_MODE 0x04
1350
#define VGA_GFX_PLANE_READ 0x04
1351
#define VGA_GFX_MODE 0x05
1352
#define VGA_GFX_MISC 0x06
1354
void nv_save_restore_vga_fonts(ScrnInfoPtr pScrn, bool save)
1356
NVPtr pNv = NVPTR(pScrn);
1358
uint8_t misc, gr4, gr5, gr6, seq2, seq4;
1361
NVSetEnablePalette(pNv, 0, true);
1362
graphicsmode = NVReadVgaAttr(pNv, 0, 0x10) & 1;
1363
NVSetEnablePalette(pNv, 0, false);
1365
if (graphicsmode) /* graphics mode => framebuffer => no need to save */
1368
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "%sing VGA fonts\n", save ? "Sav" : "Restor");
1370
NVBlankScreen(pScrn, 1, true);
1371
NVBlankScreen(pScrn, 0, true);
1373
/* save control regs */
1374
misc = NVReadPVIO(pNv, 0, VGA_MISC_OUT_R);
1375
seq2 = NVReadVgaSeq(pNv, 0, VGA_SEQ_PLANE_WRITE);
1376
seq4 = NVReadVgaSeq(pNv, 0, VGA_SEQ_MEMORY_MODE);
1377
gr4 = NVReadVgaGr(pNv, 0, VGA_GFX_PLANE_READ);
1378
gr5 = NVReadVgaGr(pNv, 0, VGA_GFX_MODE);
1379
gr6 = NVReadVgaGr(pNv, 0, VGA_GFX_MISC);
1381
NVWritePVIO(pNv, 0, VGA_MISC_OUT_W, 0x67);
1382
NVWriteVgaSeq(pNv, 0, VGA_SEQ_MEMORY_MODE, 0x6);
1383
NVWriteVgaGr(pNv, 0, VGA_GFX_MODE, 0x0);
1384
NVWriteVgaGr(pNv, 0, VGA_GFX_MISC, 0x5);
1386
/* store font in plane 0 */
1387
NVWriteVgaSeq(pNv, 0, VGA_SEQ_PLANE_WRITE, 0x1);
1388
NVWriteVgaGr(pNv, 0, VGA_GFX_PLANE_READ, 0x0);
1389
for (i = 0; i < 16384; i++)
1391
pNv->saved_vga_font[0][i] = MMIO_IN32(pNv->FB_BAR, i * 4);
1393
MMIO_OUT32(pNv->FB_BAR, i * 4, pNv->saved_vga_font[0][i]);
1395
/* store font in plane 1 */
1396
NVWriteVgaSeq(pNv, 0, VGA_SEQ_PLANE_WRITE, 0x2);
1397
NVWriteVgaGr(pNv, 0, VGA_GFX_PLANE_READ, 0x1);
1398
for (i = 0; i < 16384; i++)
1400
pNv->saved_vga_font[1][i] = MMIO_IN32(pNv->FB_BAR, i * 4);
1402
MMIO_OUT32(pNv->FB_BAR, i * 4, pNv->saved_vga_font[1][i]);
1404
/* store font in plane 2 */
1405
NVWriteVgaSeq(pNv, 0, VGA_SEQ_PLANE_WRITE, 0x4);
1406
NVWriteVgaGr(pNv, 0, VGA_GFX_PLANE_READ, 0x2);
1407
for (i = 0; i < 16384; i++)
1409
pNv->saved_vga_font[2][i] = MMIO_IN32(pNv->FB_BAR, i * 4);
1411
MMIO_OUT32(pNv->FB_BAR, i * 4, pNv->saved_vga_font[2][i]);
1413
/* store font in plane 3 */
1414
NVWriteVgaSeq(pNv, 0, VGA_SEQ_PLANE_WRITE, 0x8);
1415
NVWriteVgaGr(pNv, 0, VGA_GFX_PLANE_READ, 0x3);
1416
for (i = 0; i < 16384; i++)
1418
pNv->saved_vga_font[3][i] = MMIO_IN32(pNv->FB_BAR, i * 4);
1420
MMIO_OUT32(pNv->FB_BAR, i * 4, pNv->saved_vga_font[3][i]);
1422
/* restore control regs */
1423
NVWritePVIO(pNv, 0, VGA_MISC_OUT_W, misc);
1424
NVWriteVgaGr(pNv, 0, VGA_GFX_PLANE_READ, gr4);
1425
NVWriteVgaGr(pNv, 0, VGA_GFX_MODE, gr5);
1426
NVWriteVgaGr(pNv, 0, VGA_GFX_MISC, gr6);
1427
NVWriteVgaSeq(pNv, 0, VGA_SEQ_PLANE_WRITE, seq2);
1428
NVWriteVgaSeq(pNv, 0, VGA_SEQ_MEMORY_MODE, seq4);
1431
NVBlankScreen(pScrn, 1, false);
1432
NVBlankScreen(pScrn, 0, false);