Date: Thu, 9 Oct 2003 17:40:30 +0200 From: Daniel Lang <dl@leo.org> To: hackers@freebsd.org Subject: Matrox Parhelia XFree86 Busmastering kernel module? Message-ID: <20031009154030.GI2407@atrbg11.informatik.tu-muenchen.de>
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--yiup30KVCQiHUZFC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hiho, There seems no freebsd-xfree list, but this is only XFree related, it's rather kernel oriented. Matrox offers a RedHat-Linux driver for their Parhelia based boards (Parhelia, P650, P750). The XFree86 driver module mtx_drv.o itself is OS independent and works with FreeBSD, as successfully tested on my desk, even with a multihead configuration. :) Alas, to use acceleration (2D xaa as well as 3D dri, OpenGL, etc) it requires a kernel module to enable bus mastering on the card. (I don't know if this is a common thing with Linux, or with some graphic boards? I am not aware of bus mastering is required for AGP boards, isn't AGP a dedicated bus anyway?) The kernel module for bus mastering is partially available in source. Unfortunately a core object is distributed in binary form. There are versions for RedHat 7.3 8.x and 9.=20 It seems possible to port these kind of drivers, since it worked with vmware, etc. Further it might be possible to convince matrix to share the sources of the core module or even to provide a native FreeBSD version. I did not try this, yet. So my question is: has someone attempted a port of this module? Is someone willing to do it?=20 To prevent default answers, I won't do it without specific lead from someone more experienced. (In the past I have attempted to develop other kernel drivers on my own, but failed due to lack of experience but rather due to lack of time to work on the driver and finally due to the fact, the need to get the hardware running vanished). What I can offer: testing (I own a P650 board) and also programming work, as soon as I know what it's all about and a guiding frame exists. Pointers and hints are appreciated as well. Thanks and best regards, Daniel --=20 IRCnet: Mr-Spock - Der Zweite Platz ist Dreck - Daniel Lang * dl@leo.org * +49 89 289 18532 * http://www.leo.org/~dl/ --yiup30KVCQiHUZFC Content-Type: application/x-pkcs7-signature Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIIXgAYJKoZIhvcNAQcCoIIXcTCCF20CAQExCzAJBgUrDgMCGgUAMAsGCSqGSIb3DQEHAaCC FUAwggbMMIIFtKADAgECAgIVezANBgkqhkiG9w0BAQUFADCBpjELMAkGA1UEBhMCREUxETAP BgNVBAcTCE11ZW5jaGVuMSkwJwYDVQQKEyBUZWNobmlzY2hlIFVuaXZlcnNpdGFldCBNdWVu Y2hlbjEiMCAGA1UECxMZRmFrdWx0YWV0IGZ1ZXIgSW5mb3JtYXRpazEYMBYGA1UEAxMPUkJH LUJlbnV0emVyLUNBMRswGQYJKoZIhvcNAQkBFgxjYUBpbi50dW0uZGUwHhcNMDMwNTIwMTIz MTQyWhcNMDQwNTIxMDAwMDAwWjCBqzELMAkGA1UEBhMCREUxETAPBgNVBAcTCE11ZW5jaGVu MSkwJwYDVQQKEyBUZWNobmlzY2hlIFVuaXZlcnNpdGFldCBNdWVuY2hlbjEiMCAGA1UECxMZ RmFrdWx0YWV0IGZ1ZXIgSW5mb3JtYXRpazEUMBIGA1UEAxMLRGFuaWVsIExhbmcxJDAiBgkq hkiG9w0BCQEWFWRhbmllbC5sYW5nQGluLnR1bS5kZTCBnzANBgkqhkiG9w0BAQEFAAOBjQAw 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