/***************************************************************************\ |* *| |* Copyright 1993-2003 NVIDIA, Corporation. All rights reserved. *| |* *| |* NOTICE TO USER: The source code is copyrighted under U.S. and *| |* international laws. Users and possessors of this source code are *| |* hereby granted a nonexclusive, royalty-free copyright license to *| |* use this code in individual and commercial software. *| |* *| |* Any use of this source code must include, in the user documenta- *| |* tion and internal comments to the code, notices to the end user *| |* as follows: *| |* *| |* Copyright 1993-2003 NVIDIA, Corporation. All rights reserved. *| |* *| |* NVIDIA, CORPORATION MAKES NO REPRESENTATION ABOUT THE SUITABILITY *| |* OF THIS SOURCE CODE FOR ANY PURPOSE. IT IS PROVIDED "AS IS" *| |* WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND. NVIDIA, CORPOR- *| |* ATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOURCE CODE, *| |* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGE- *| |* MENT, AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL *| |* NVIDIA, CORPORATION BE LIABLE FOR ANY SPECIAL, INDIRECT, INCI- *| |* DENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RE- *| |* SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION *| |* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF *| |* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOURCE CODE. *| |* *| |* U.S. Government End Users. This source code is a "commercial *| |* item," as that term is defined at 48 C.F.R. 2.101 (OCT 1995), *| |* consisting of "commercial computer software" and "commercial *| |* computer software documentation," as such terms are used in *| |* 48 C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Govern- *| |* ment only as a commercial end item. Consistent with 48 C.F.R. *| |* 12.212 and 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), *| |* all U.S. Government End Users acquire the source code with only *| |* those rights set forth herein. *| |* *| \***************************************************************************/ /* * GPL Licensing Note - According to Mark Vojkovich, author of the Xorg/ * XFree86 'nv' driver, this source code is provided under MIT-style licensing * where the source code is provided "as is" without warranty of any kind. * The only usage restriction is for the copyright notices to be retained * whenever code is used. * * Antonino Daplas <[email protected]> 2005-03-11 */ /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nv/nv_hw.c,v 1.4 2003/11/03 05:11:25 tsi Exp $ */ #include <linux/pci.h> #include "nv_type.h" #include "nv_local.h" #include "nv_proto.h" void NVLockUnlock(struct nvidia_par *par, int Lock) { … } int NVShowHideCursor(struct nvidia_par *par, int ShowHide) { … } /****************************************************************************\ * * * The video arbitration routines calculate some "magic" numbers. Fixes * * the snow seen when accessing the framebuffer without it. * * It just works (I hope). * * * \****************************************************************************/ nv4_fifo_info; nv4_sim_state; nv10_fifo_info; nv10_sim_state; static void nvGetClocks(struct nvidia_par *par, unsigned int *MClk, unsigned int *NVClk) { … } static void nv4CalcArbitration(nv4_fifo_info * fifo, nv4_sim_state * arb) { … } static void nv4UpdateArbitrationSettings(unsigned VClk, unsigned pixelDepth, unsigned *burst, unsigned *lwm, struct nvidia_par *par) { … } static void nv10CalcArbitration(nv10_fifo_info * fifo, nv10_sim_state * arb) { … } static void nv10UpdateArbitrationSettings(unsigned VClk, unsigned pixelDepth, unsigned *burst, unsigned *lwm, struct nvidia_par *par) { … } static void nv30UpdateArbitrationSettings ( struct nvidia_par *par, unsigned int *burst, unsigned int *lwm ) { … } static void nForceUpdateArbitrationSettings(unsigned VClk, unsigned pixelDepth, unsigned *burst, unsigned *lwm, struct nvidia_par *par) { … } /****************************************************************************\ * * * RIVA Mode State Routines * * * \****************************************************************************/ /* * Calculate the Video Clock parameters for the PLL. */ static void CalcVClock(int clockIn, int *clockOut, u32 * pllOut, struct nvidia_par *par) { … } static void CalcVClock2Stage(int clockIn, int *clockOut, u32 * pllOut, u32 * pllBOut, struct nvidia_par *par) { … } /* * Calculate extended mode parameters (SVGA) and save in a * mode state structure. */ void NVCalcStateExt(struct nvidia_par *par, RIVA_HW_STATE * state, int bpp, int width, int hDisplaySize, int height, int dotClock, int flags) { … } void NVLoadStateExt(struct nvidia_par *par, RIVA_HW_STATE * state) { … } void NVUnloadStateExt(struct nvidia_par *par, RIVA_HW_STATE * state) { … } void NVSetStartAddress(struct nvidia_par *par, u32 start) { … }
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