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Code Issues Projects Releases Wiki Activity

3336. Fx up new MMIO macros (#3337, Matt Grossman).

Browse source 
3335. Clean up compiler warnings in lib/font/bitmap (#3411, Matt Grossman).
3334. TGA fixes, add sync on green (#3410, Matt Grossman).
3333. Fix NULL pointer dereference in libXaw (#3406, Christopher Sekiya).
3332. Add Rage128 support (#3405, Rik Faith, funded by ATI).
3331. Add MTRR support for NetBSD and OpenBSD. Add new NetBSD aperture
    driver (#3404, Matthieu Herrb).
3330. Xterm patch #121 (#3402, Thomas Dickey).
3329. Rendition driver bugfixes and alpha related cleanups (#3400, Dejan
    Ilic, Marc Langenbach, Egbert Eich).
3328. Add void input device (#3392, Frederic Lepied).
3327. Changed the Xon serial option to be able to select xon/xoff for
    input, output or both. Add support for Graphire models. Change wacom
    init phase to use new Xoff option (#3391, Frederic Lepied).
3326. Change the SwapAxes option to SwapXY in elographics/microtouch driver
    to match an already existing option in the Dynapro driver. Add a Focus
    class capability to the elographics driver (#3395, Patrick Lecoanet).
3325. Update mouse rate handling (#3388, Harald Koenig).
3324. Fix NULL pointer dereference in misprite.c (#3380, Edward Wang).
3323. Add FBDev and ShadowFB support to glint driver. Add new option
    "NoWriteBitmap" (#3383, Michel Daenzer).
3322. Update SuperProbe to handle S3 Savage4, Savage200 and clean up
    Trio3D/Savage3D detection (#3382,3384 Harald Koenig).
3321. Add new framebuffer code and tiny X DDX architecture (#3379, Keith
    Packard).
3320. Add DGA2 documentation (#3378, Mark Vojkovich).
3319. Update XFree86 manpage wrt -bpp/-depth/-fbbpp (#3377, Andy Isaacson).
3318. Make SuperProbe check primary cards, only (#3374, Harald Koenig).
3317. Add SilkenMouse to *BSD (#3373, Matthieu Herrb).
3316. Allow SilkenMouse to work if not all drivers of an OS support SIGIO
    (#3372, Keith Packard).
3315. Fix a few problems in TGA driver and add support for backing store
    and SilkenMouse (#3371, Matt Grossman).
3314. Add smarter scheduler (#3370, Keith Packard).
3313. Xterm patch #120 (#3369, Thomas Dickey).
3312. Enable xf86SetKbdRate function on Solaris 8 (#3364, David Holland).
3311. Fix some bugs and add acceleration to Rendition server (#3360, Dejan
    Ilic).
3310. Make raw DDC information available as properties in the root window
    (#3357, Andrew Aitchison).
3309. Fix for xf86CreateRootWindow (#3355, Andrew Aitchison).
3308. Add manpage for the chips driver (#3353, David Bateman).
3307. Update contact info (#3352, Andrew van der Stock).
3306. Add kbd rate support for Linux (#3363, Harald Koenig).
3305. Update Portuguese XKB map (#3351, Joao Esteves, Francisco Colaco).
3304. Fix text clipping in 3dfx driver (#3349, Henrik Harmsen).
3303. Fix S3 ViRGE hw cursor (#3348, Harald Koenig).
3302. Fix clipping in 3dfx driver (#3342, Daryll Strauss).
3301. Enable SilkenMouse for 3dfx driver (#3341, Henrik Harmsen).
3300. Enable SIGIO support on LynxOS (#3339, Thomas Mueller).
3299. Get TRUE defined in sigio.c. Fix xterm compile problem on ISC (#3338,
    Michael Rohleder).
3298. Correct DPMS suspend/standby modes for 3dfx driver (#3336, Henrik
    Harmsen)
3297. Xterm patch #119 (#3335, Thomas Dickey).
This commit is contained in:
Dirk Hohndel 1999-11-19 13:54:06 +00:00
commit f13b792a3a
67 changed files with 24056 additions and 0 deletions
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86
hw/kdrive/savage/s3clock.c Normal file
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/*
* $Id$
*
* Copyright 1999 SuSE, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of SuSE not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. SuSE makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING 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 SOFTWARE.
*
* Author: Keith Packard, SuSE, Inc.
*/
/* $XFree86: $ */
#include "s3.h"
/*
* Clock synthesis:
*
* f_out = f_ref * ((M + 2) / ((N + 2) * (1 << R)))
*
* Constraints:
*
* 1. 135MHz <= f_ref * ((M + 2) / (N + 2)) <= 270 MHz
* 2. N >= 1
*
* Vertical refresh rate = clock / ((hsize + hblank) * (vsize + vblank))
* Horizontal refresh rate = clock / (hsize + hblank)
*/
/* all in kHz */
#define MIN_VCO 135000.0
#define MAX_VCO 270000.0
void
s3GetClock (int target, int *Mp, int *Np, int *Rp, int maxM, int maxN, int maxR)
{
int M, N, R, bestM, bestN;
int f_vco, f_out;
int err, abserr, besterr;
/*
* Compute correct R value to keep VCO in range
*/
for (R = 0; R <= maxR; R++)
{
f_vco = target * (1 << R);
if (MIN_VCO <= f_vco && f_vco < MAX_VCO)
break;
}
/* M = f_out / f_ref * ((N + 2) * (1 << R)); */
besterr = target;
for (N = 0; N <= maxN; N++)
{
M = (target * (N + 2) * (1 << R) + (S3_CLOCK_REF/2)) / S3_CLOCK_REF - 2;
if (0 <= M && M <= maxM)
{
f_out = S3_CLOCK(M,N,R);
err = target - f_out;
if (err < 0)
err = -err;
if (err < besterr)
{
besterr = err;
bestM = M;
bestN = N;
}
}
}
*Mp = bestM;
*Np = bestN;
*Rp = R;
}