2005-04-17 05:20:36 +07:00
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/*
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* drivers/video/aty/radeon_base.c
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*
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* framebuffer driver for ATI Radeon chipset video boards
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*
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* Copyright 2003 Ben. Herrenschmidt <benh@kernel.crashing.org>
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* Copyright 2000 Ani Joshi <ajoshi@kernel.crashing.org>
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*
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* i2c bits from Luca Tettamanti <kronos@kronoz.cjb.net>
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*
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* Special thanks to ATI DevRel team for their hardware donations.
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*
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* ...Insert GPL boilerplate here...
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*
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* Significant portions of this driver apdated from XFree86 Radeon
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* driver which has the following copyright notice:
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*
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* Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
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* VA Linux Systems Inc., Fremont, California.
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*
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation on the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT. IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR
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* THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* XFree86 driver authors:
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*
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* Kevin E. Martin <martin@xfree86.org>
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* Rickard E. Faith <faith@valinux.com>
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* Alan Hourihane <alanh@fairlite.demon.co.uk>
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*
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*/
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#define RADEON_VERSION "0.2.0"
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/string.h>
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#include <linux/mm.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <linux/time.h>
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#include <linux/fb.h>
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#include <linux/ioport.h>
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#include <linux/init.h>
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#include <linux/pci.h>
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#include <linux/vmalloc.h>
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#include <linux/device.h>
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#include <asm/io.h>
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#include <asm/uaccess.h>
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#ifdef CONFIG_PPC_OF
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#include <asm/pci-bridge.h>
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#include "../macmodes.h"
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#ifdef CONFIG_BOOTX_TEXT
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#include <asm/btext.h>
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#endif
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#endif /* CONFIG_PPC_OF */
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#ifdef CONFIG_MTRR
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#include <asm/mtrr.h>
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#endif
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#include <video/radeon.h>
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#include <linux/radeonfb.h>
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#include "../edid.h" // MOVE THAT TO include/video
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#include "ati_ids.h"
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#include "radeonfb.h"
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#define MAX_MAPPED_VRAM (2048*2048*4)
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#define MIN_MAPPED_VRAM (1024*768*1)
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#define CHIP_DEF(id, family, flags) \
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{ PCI_VENDOR_ID_ATI, id, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (flags) | (CHIP_FAMILY_##family) }
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static struct pci_device_id radeonfb_pci_table[] = {
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/* Mobility M6 */
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CHIP_DEF(PCI_CHIP_RADEON_LY, RV100, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_RADEON_LZ, RV100, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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/* Radeon VE/7000 */
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CHIP_DEF(PCI_CHIP_RV100_QY, RV100, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV100_QZ, RV100, CHIP_HAS_CRTC2),
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2005-11-07 16:00:55 +07:00
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CHIP_DEF(PCI_CHIP_RN50, RV100, CHIP_HAS_CRTC2),
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2005-04-17 05:20:36 +07:00
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/* Radeon IGP320M (U1) */
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CHIP_DEF(PCI_CHIP_RS100_4336, RS100, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
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/* Radeon IGP320 (A3) */
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CHIP_DEF(PCI_CHIP_RS100_4136, RS100, CHIP_HAS_CRTC2 | CHIP_IS_IGP),
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/* IGP330M/340M/350M (U2) */
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CHIP_DEF(PCI_CHIP_RS200_4337, RS200, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
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/* IGP330/340/350 (A4) */
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CHIP_DEF(PCI_CHIP_RS200_4137, RS200, CHIP_HAS_CRTC2 | CHIP_IS_IGP),
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/* Mobility 7000 IGP */
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CHIP_DEF(PCI_CHIP_RS250_4437, RS200, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
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/* 7000 IGP (A4+) */
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CHIP_DEF(PCI_CHIP_RS250_4237, RS200, CHIP_HAS_CRTC2 | CHIP_IS_IGP),
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/* 8500 AIW */
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CHIP_DEF(PCI_CHIP_R200_BB, R200, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R200_BC, R200, CHIP_HAS_CRTC2),
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/* 8700/8800 */
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CHIP_DEF(PCI_CHIP_R200_QH, R200, CHIP_HAS_CRTC2),
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/* 8500 */
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CHIP_DEF(PCI_CHIP_R200_QL, R200, CHIP_HAS_CRTC2),
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/* 9100 */
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CHIP_DEF(PCI_CHIP_R200_QM, R200, CHIP_HAS_CRTC2),
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/* Mobility M7 */
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CHIP_DEF(PCI_CHIP_RADEON_LW, RV200, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_RADEON_LX, RV200, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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/* 7500 */
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CHIP_DEF(PCI_CHIP_RV200_QW, RV200, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV200_QX, RV200, CHIP_HAS_CRTC2),
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/* Mobility M9 */
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CHIP_DEF(PCI_CHIP_RV250_Ld, RV250, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_RV250_Le, RV250, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_RV250_Lf, RV250, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_RV250_Lg, RV250, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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/* 9000/Pro */
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CHIP_DEF(PCI_CHIP_RV250_If, RV250, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV250_Ig, RV250, CHIP_HAS_CRTC2),
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/* Mobility 9100 IGP (U3) */
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CHIP_DEF(PCI_CHIP_RS300_5835, RS300, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_RS350_7835, RS300, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
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/* 9100 IGP (A5) */
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CHIP_DEF(PCI_CHIP_RS300_5834, RS300, CHIP_HAS_CRTC2 | CHIP_IS_IGP),
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CHIP_DEF(PCI_CHIP_RS350_7834, RS300, CHIP_HAS_CRTC2 | CHIP_IS_IGP),
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/* Mobility 9200 (M9+) */
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CHIP_DEF(PCI_CHIP_RV280_5C61, RV280, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_RV280_5C63, RV280, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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/* 9200 */
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CHIP_DEF(PCI_CHIP_RV280_5960, RV280, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV280_5961, RV280, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV280_5962, RV280, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV280_5964, RV280, CHIP_HAS_CRTC2),
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/* 9500 */
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CHIP_DEF(PCI_CHIP_R300_AD, R300, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R300_AE, R300, CHIP_HAS_CRTC2),
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/* 9600TX / FireGL Z1 */
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CHIP_DEF(PCI_CHIP_R300_AF, R300, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R300_AG, R300, CHIP_HAS_CRTC2),
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/* 9700/9500/Pro/FireGL X1 */
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CHIP_DEF(PCI_CHIP_R300_ND, R300, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R300_NE, R300, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R300_NF, R300, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R300_NG, R300, CHIP_HAS_CRTC2),
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/* Mobility M10/M11 */
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CHIP_DEF(PCI_CHIP_RV350_NP, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_RV350_NQ, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_RV350_NR, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_RV350_NS, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_RV350_NT, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_RV350_NV, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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/* 9600/FireGL T2 */
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CHIP_DEF(PCI_CHIP_RV350_AP, RV350, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV350_AQ, RV350, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV360_AR, RV350, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV350_AS, RV350, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV350_AT, RV350, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV350_AV, RV350, CHIP_HAS_CRTC2),
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/* 9800/Pro/FileGL X2 */
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CHIP_DEF(PCI_CHIP_R350_AH, R350, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R350_AI, R350, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R350_AJ, R350, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R350_AK, R350, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R350_NH, R350, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R350_NI, R350, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R360_NJ, R350, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R350_NK, R350, CHIP_HAS_CRTC2),
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/* Newer stuff */
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CHIP_DEF(PCI_CHIP_RV380_3E50, RV380, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV380_3E54, RV380, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV380_3150, RV380, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_RV380_3154, RV380, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_RV370_5B60, RV380, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV370_5B62, RV380, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV370_5B64, RV380, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV370_5B65, RV380, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_RV370_5460, RV380, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_RV370_5464, RV380, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_R420_JH, R420, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R420_JI, R420, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R420_JJ, R420, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R420_JK, R420, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R420_JL, R420, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R420_JM, R420, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R420_JN, R420, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
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CHIP_DEF(PCI_CHIP_R420_JP, R420, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R423_UH, R420, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R423_UI, R420, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R423_UJ, R420, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R423_UK, R420, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R423_UQ, R420, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R423_UR, R420, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R423_UT, R420, CHIP_HAS_CRTC2),
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CHIP_DEF(PCI_CHIP_R423_5D57, R420, CHIP_HAS_CRTC2),
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/* Original Radeon/7200 */
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CHIP_DEF(PCI_CHIP_RADEON_QD, RADEON, 0),
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CHIP_DEF(PCI_CHIP_RADEON_QE, RADEON, 0),
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CHIP_DEF(PCI_CHIP_RADEON_QF, RADEON, 0),
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CHIP_DEF(PCI_CHIP_RADEON_QG, RADEON, 0),
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{ 0, }
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};
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MODULE_DEVICE_TABLE(pci, radeonfb_pci_table);
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typedef struct {
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u16 reg;
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u32 val;
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} reg_val;
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/* these common regs are cleared before mode setting so they do not
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* interfere with anything
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*/
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static reg_val common_regs[] = {
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{ OVR_CLR, 0 },
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{ OVR_WID_LEFT_RIGHT, 0 },
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{ OVR_WID_TOP_BOTTOM, 0 },
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{ OV0_SCALE_CNTL, 0 },
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{ SUBPIC_CNTL, 0 },
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{ VIPH_CONTROL, 0 },
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{ I2C_CNTL_1, 0 },
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{ GEN_INT_CNTL, 0 },
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{ CAP0_TRIG_CNTL, 0 },
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{ CAP1_TRIG_CNTL, 0 },
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};
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/*
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* globals
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*/
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static char *mode_option;
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static char *monitor_layout;
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static int noaccel = 0;
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static int default_dynclk = -2;
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static int nomodeset = 0;
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static int ignore_edid = 0;
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static int mirror = 0;
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static int panel_yres = 0;
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static int force_dfp = 0;
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static int force_measure_pll = 0;
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#ifdef CONFIG_MTRR
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static int nomtrr = 0;
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#endif
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2006-07-30 17:04:18 +07:00
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static int force_sleep;
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static int ignore_devlist;
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2005-04-17 05:20:36 +07:00
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/*
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* prototypes
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|
|
*/
|
|
|
|
|
|
|
|
static void radeon_unmap_ROM(struct radeonfb_info *rinfo, struct pci_dev *dev)
|
|
|
|
{
|
|
|
|
if (!rinfo->bios_seg)
|
|
|
|
return;
|
|
|
|
pci_unmap_rom(dev, rinfo->bios_seg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int __devinit radeon_map_ROM(struct radeonfb_info *rinfo, struct pci_dev *dev)
|
|
|
|
{
|
|
|
|
void __iomem *rom;
|
|
|
|
u16 dptr;
|
|
|
|
u8 rom_type;
|
|
|
|
size_t rom_size;
|
|
|
|
|
|
|
|
/* If this is a primary card, there is a shadow copy of the
|
|
|
|
* ROM somewhere in the first meg. We will just ignore the copy
|
|
|
|
* and use the ROM directly.
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* Fix from ATI for problem with Radeon hardware not leaving ROM enabled */
|
|
|
|
unsigned int temp;
|
|
|
|
temp = INREG(MPP_TB_CONFIG);
|
|
|
|
temp &= 0x00ffffffu;
|
|
|
|
temp |= 0x04 << 24;
|
|
|
|
OUTREG(MPP_TB_CONFIG, temp);
|
|
|
|
temp = INREG(MPP_TB_CONFIG);
|
|
|
|
|
|
|
|
rom = pci_map_rom(dev, &rom_size);
|
|
|
|
if (!rom) {
|
|
|
|
printk(KERN_ERR "radeonfb (%s): ROM failed to map\n",
|
|
|
|
pci_name(rinfo->pdev));
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
rinfo->bios_seg = rom;
|
|
|
|
|
|
|
|
/* Very simple test to make sure it appeared */
|
|
|
|
if (BIOS_IN16(0) != 0xaa55) {
|
2005-09-10 03:10:06 +07:00
|
|
|
printk(KERN_DEBUG "radeonfb (%s): Invalid ROM signature %x "
|
|
|
|
"should be 0xaa55\n",
|
|
|
|
pci_name(rinfo->pdev), BIOS_IN16(0));
|
2005-04-17 05:20:36 +07:00
|
|
|
goto failed;
|
|
|
|
}
|
|
|
|
/* Look for the PCI data to check the ROM type */
|
|
|
|
dptr = BIOS_IN16(0x18);
|
|
|
|
|
|
|
|
/* Check the PCI data signature. If it's wrong, we still assume a normal x86 ROM
|
|
|
|
* for now, until I've verified this works everywhere. The goal here is more
|
|
|
|
* to phase out Open Firmware images.
|
|
|
|
*
|
|
|
|
* Currently, we only look at the first PCI data, we could iteratre and deal with
|
|
|
|
* them all, and we should use fb_bios_start relative to start of image and not
|
|
|
|
* relative start of ROM, but so far, I never found a dual-image ATI card
|
|
|
|
*
|
|
|
|
* typedef struct {
|
|
|
|
* u32 signature; + 0x00
|
|
|
|
* u16 vendor; + 0x04
|
|
|
|
* u16 device; + 0x06
|
|
|
|
* u16 reserved_1; + 0x08
|
|
|
|
* u16 dlen; + 0x0a
|
|
|
|
* u8 drevision; + 0x0c
|
|
|
|
* u8 class_hi; + 0x0d
|
|
|
|
* u16 class_lo; + 0x0e
|
|
|
|
* u16 ilen; + 0x10
|
|
|
|
* u16 irevision; + 0x12
|
|
|
|
* u8 type; + 0x14
|
|
|
|
* u8 indicator; + 0x15
|
|
|
|
* u16 reserved_2; + 0x16
|
|
|
|
* } pci_data_t;
|
|
|
|
*/
|
|
|
|
if (BIOS_IN32(dptr) != (('R' << 24) | ('I' << 16) | ('C' << 8) | 'P')) {
|
|
|
|
printk(KERN_WARNING "radeonfb (%s): PCI DATA signature in ROM"
|
|
|
|
"incorrect: %08x\n", pci_name(rinfo->pdev), BIOS_IN32(dptr));
|
|
|
|
goto anyway;
|
|
|
|
}
|
|
|
|
rom_type = BIOS_IN8(dptr + 0x14);
|
|
|
|
switch(rom_type) {
|
|
|
|
case 0:
|
|
|
|
printk(KERN_INFO "radeonfb: Found Intel x86 BIOS ROM Image\n");
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
printk(KERN_INFO "radeonfb: Found Open Firmware ROM Image\n");
|
|
|
|
goto failed;
|
|
|
|
case 2:
|
|
|
|
printk(KERN_INFO "radeonfb: Found HP PA-RISC ROM Image\n");
|
|
|
|
goto failed;
|
|
|
|
default:
|
|
|
|
printk(KERN_INFO "radeonfb: Found unknown type %d ROM Image\n", rom_type);
|
|
|
|
goto failed;
|
|
|
|
}
|
|
|
|
anyway:
|
|
|
|
/* Locate the flat panel infos, do some sanity checking !!! */
|
|
|
|
rinfo->fp_bios_start = BIOS_IN16(0x48);
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
failed:
|
|
|
|
rinfo->bios_seg = NULL;
|
|
|
|
radeon_unmap_ROM(rinfo, dev);
|
|
|
|
return -ENXIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef CONFIG_X86
|
|
|
|
static int __devinit radeon_find_mem_vbios(struct radeonfb_info *rinfo)
|
|
|
|
{
|
|
|
|
/* I simplified this code as we used to miss the signatures in
|
|
|
|
* a lot of case. It's now closer to XFree, we just don't check
|
|
|
|
* for signatures at all... Something better will have to be done
|
|
|
|
* if we end up having conflicts
|
|
|
|
*/
|
|
|
|
u32 segstart;
|
|
|
|
void __iomem *rom_base = NULL;
|
|
|
|
|
|
|
|
for(segstart=0x000c0000; segstart<0x000f0000; segstart+=0x00001000) {
|
|
|
|
rom_base = ioremap(segstart, 0x10000);
|
|
|
|
if (rom_base == NULL)
|
|
|
|
return -ENOMEM;
|
|
|
|
if (readb(rom_base) == 0x55 && readb(rom_base + 1) == 0xaa)
|
|
|
|
break;
|
|
|
|
iounmap(rom_base);
|
|
|
|
rom_base = NULL;
|
|
|
|
}
|
|
|
|
if (rom_base == NULL)
|
|
|
|
return -ENXIO;
|
|
|
|
|
|
|
|
/* Locate the flat panel infos, do some sanity checking !!! */
|
|
|
|
rinfo->bios_seg = rom_base;
|
|
|
|
rinfo->fp_bios_start = BIOS_IN16(0x48);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_PPC_OF
|
|
|
|
/*
|
|
|
|
* Read XTAL (ref clock), SCLK and MCLK from Open Firmware device
|
|
|
|
* tree. Hopefully, ATI OF driver is kind enough to fill these
|
|
|
|
*/
|
|
|
|
static int __devinit radeon_read_xtal_OF (struct radeonfb_info *rinfo)
|
|
|
|
{
|
|
|
|
struct device_node *dp = rinfo->of_node;
|
2006-07-12 12:40:40 +07:00
|
|
|
const u32 *val;
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
if (dp == NULL)
|
|
|
|
return -ENODEV;
|
2006-07-12 12:40:40 +07:00
|
|
|
val = get_property(dp, "ATY,RefCLK", NULL);
|
2005-04-17 05:20:36 +07:00
|
|
|
if (!val || !*val) {
|
|
|
|
printk(KERN_WARNING "radeonfb: No ATY,RefCLK property !\n");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
rinfo->pll.ref_clk = (*val) / 10;
|
|
|
|
|
2006-07-12 12:40:40 +07:00
|
|
|
val = get_property(dp, "ATY,SCLK", NULL);
|
2005-04-17 05:20:36 +07:00
|
|
|
if (val && *val)
|
|
|
|
rinfo->pll.sclk = (*val) / 10;
|
|
|
|
|
2006-07-12 12:40:40 +07:00
|
|
|
val = get_property(dp, "ATY,MCLK", NULL);
|
2005-04-17 05:20:36 +07:00
|
|
|
if (val && *val)
|
|
|
|
rinfo->pll.mclk = (*val) / 10;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_PPC_OF */
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Read PLL infos from chip registers
|
|
|
|
*/
|
|
|
|
static int __devinit radeon_probe_pll_params(struct radeonfb_info *rinfo)
|
|
|
|
{
|
|
|
|
unsigned char ppll_div_sel;
|
|
|
|
unsigned Ns, Nm, M;
|
|
|
|
unsigned sclk, mclk, tmp, ref_div;
|
|
|
|
int hTotal, vTotal, num, denom, m, n;
|
|
|
|
unsigned long long hz, vclk;
|
|
|
|
long xtal;
|
|
|
|
struct timeval start_tv, stop_tv;
|
|
|
|
long total_secs, total_usecs;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/* Ugh, we cut interrupts, bad bad bad, but we want some precision
|
|
|
|
* here, so... --BenH
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* Flush PCI buffers ? */
|
2005-09-30 09:26:51 +07:00
|
|
|
tmp = INREG16(DEVICE_ID);
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
local_irq_disable();
|
|
|
|
|
|
|
|
for(i=0; i<1000000; i++)
|
|
|
|
if (((INREG(CRTC_VLINE_CRNT_VLINE) >> 16) & 0x3ff) == 0)
|
|
|
|
break;
|
|
|
|
|
|
|
|
do_gettimeofday(&start_tv);
|
|
|
|
|
|
|
|
for(i=0; i<1000000; i++)
|
|
|
|
if (((INREG(CRTC_VLINE_CRNT_VLINE) >> 16) & 0x3ff) != 0)
|
|
|
|
break;
|
|
|
|
|
|
|
|
for(i=0; i<1000000; i++)
|
|
|
|
if (((INREG(CRTC_VLINE_CRNT_VLINE) >> 16) & 0x3ff) == 0)
|
|
|
|
break;
|
|
|
|
|
|
|
|
do_gettimeofday(&stop_tv);
|
|
|
|
|
|
|
|
local_irq_enable();
|
|
|
|
|
|
|
|
total_secs = stop_tv.tv_sec - start_tv.tv_sec;
|
|
|
|
if (total_secs > 10)
|
|
|
|
return -1;
|
|
|
|
total_usecs = stop_tv.tv_usec - start_tv.tv_usec;
|
|
|
|
total_usecs += total_secs * 1000000;
|
|
|
|
if (total_usecs < 0)
|
|
|
|
total_usecs = -total_usecs;
|
|
|
|
hz = 1000000/total_usecs;
|
|
|
|
|
|
|
|
hTotal = ((INREG(CRTC_H_TOTAL_DISP) & 0x1ff) + 1) * 8;
|
|
|
|
vTotal = ((INREG(CRTC_V_TOTAL_DISP) & 0x3ff) + 1);
|
|
|
|
vclk = (long long)hTotal * (long long)vTotal * hz;
|
|
|
|
|
|
|
|
switch((INPLL(PPLL_REF_DIV) & 0x30000) >> 16) {
|
|
|
|
case 0:
|
|
|
|
default:
|
|
|
|
num = 1;
|
|
|
|
denom = 1;
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
n = ((INPLL(M_SPLL_REF_FB_DIV) >> 16) & 0xff);
|
|
|
|
m = (INPLL(M_SPLL_REF_FB_DIV) & 0xff);
|
|
|
|
num = 2*n;
|
|
|
|
denom = 2*m;
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
n = ((INPLL(M_SPLL_REF_FB_DIV) >> 8) & 0xff);
|
|
|
|
m = (INPLL(M_SPLL_REF_FB_DIV) & 0xff);
|
|
|
|
num = 2*n;
|
|
|
|
denom = 2*m;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
ppll_div_sel = INREG8(CLOCK_CNTL_INDEX + 1) & 0x3;
|
|
|
|
radeon_pll_errata_after_index(rinfo);
|
|
|
|
|
|
|
|
n = (INPLL(PPLL_DIV_0 + ppll_div_sel) & 0x7ff);
|
|
|
|
m = (INPLL(PPLL_REF_DIV) & 0x3ff);
|
|
|
|
|
|
|
|
num *= n;
|
|
|
|
denom *= m;
|
|
|
|
|
|
|
|
switch ((INPLL(PPLL_DIV_0 + ppll_div_sel) >> 16) & 0x7) {
|
|
|
|
case 1:
|
|
|
|
denom *= 2;
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
denom *= 4;
|
|
|
|
break;
|
|
|
|
case 3:
|
|
|
|
denom *= 8;
|
|
|
|
break;
|
|
|
|
case 4:
|
|
|
|
denom *= 3;
|
|
|
|
break;
|
|
|
|
case 6:
|
|
|
|
denom *= 6;
|
|
|
|
break;
|
|
|
|
case 7:
|
|
|
|
denom *= 12;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
vclk *= denom;
|
|
|
|
do_div(vclk, 1000 * num);
|
|
|
|
xtal = vclk;
|
|
|
|
|
|
|
|
if ((xtal > 26900) && (xtal < 27100))
|
|
|
|
xtal = 2700;
|
|
|
|
else if ((xtal > 14200) && (xtal < 14400))
|
|
|
|
xtal = 1432;
|
|
|
|
else if ((xtal > 29400) && (xtal < 29600))
|
|
|
|
xtal = 2950;
|
|
|
|
else {
|
|
|
|
printk(KERN_WARNING "xtal calculation failed: %ld\n", xtal);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
tmp = INPLL(M_SPLL_REF_FB_DIV);
|
|
|
|
ref_div = INPLL(PPLL_REF_DIV) & 0x3ff;
|
|
|
|
|
|
|
|
Ns = (tmp & 0xff0000) >> 16;
|
|
|
|
Nm = (tmp & 0xff00) >> 8;
|
|
|
|
M = (tmp & 0xff);
|
|
|
|
sclk = round_div((2 * Ns * xtal), (2 * M));
|
|
|
|
mclk = round_div((2 * Nm * xtal), (2 * M));
|
|
|
|
|
|
|
|
/* we're done, hopefully these are sane values */
|
|
|
|
rinfo->pll.ref_clk = xtal;
|
|
|
|
rinfo->pll.ref_div = ref_div;
|
|
|
|
rinfo->pll.sclk = sclk;
|
|
|
|
rinfo->pll.mclk = mclk;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
2006-01-03 19:27:11 +07:00
|
|
|
* Retrieve PLL infos by different means (BIOS, Open Firmware, register probing...)
|
2005-04-17 05:20:36 +07:00
|
|
|
*/
|
|
|
|
static void __devinit radeon_get_pllinfo(struct radeonfb_info *rinfo)
|
|
|
|
{
|
|
|
|
/*
|
|
|
|
* In the case nothing works, these are defaults; they are mostly
|
|
|
|
* incomplete, however. It does provide ppll_max and _min values
|
|
|
|
* even for most other methods, however.
|
|
|
|
*/
|
|
|
|
switch (rinfo->chipset) {
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_QW:
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_QX:
|
|
|
|
rinfo->pll.ppll_max = 35000;
|
|
|
|
rinfo->pll.ppll_min = 12000;
|
|
|
|
rinfo->pll.mclk = 23000;
|
|
|
|
rinfo->pll.sclk = 23000;
|
|
|
|
rinfo->pll.ref_clk = 2700;
|
|
|
|
break;
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_QL:
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_QN:
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_QO:
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_Ql:
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_BB:
|
|
|
|
rinfo->pll.ppll_max = 35000;
|
|
|
|
rinfo->pll.ppll_min = 12000;
|
|
|
|
rinfo->pll.mclk = 27500;
|
|
|
|
rinfo->pll.sclk = 27500;
|
|
|
|
rinfo->pll.ref_clk = 2700;
|
|
|
|
break;
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_Id:
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_Ie:
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_If:
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_Ig:
|
|
|
|
rinfo->pll.ppll_max = 35000;
|
|
|
|
rinfo->pll.ppll_min = 12000;
|
|
|
|
rinfo->pll.mclk = 25000;
|
|
|
|
rinfo->pll.sclk = 25000;
|
|
|
|
rinfo->pll.ref_clk = 2700;
|
|
|
|
break;
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_ND:
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_NE:
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_NF:
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_NG:
|
|
|
|
rinfo->pll.ppll_max = 40000;
|
|
|
|
rinfo->pll.ppll_min = 20000;
|
|
|
|
rinfo->pll.mclk = 27000;
|
|
|
|
rinfo->pll.sclk = 27000;
|
|
|
|
rinfo->pll.ref_clk = 2700;
|
|
|
|
break;
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_QD:
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_QE:
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_QF:
|
|
|
|
case PCI_DEVICE_ID_ATI_RADEON_QG:
|
|
|
|
default:
|
|
|
|
rinfo->pll.ppll_max = 35000;
|
|
|
|
rinfo->pll.ppll_min = 12000;
|
|
|
|
rinfo->pll.mclk = 16600;
|
|
|
|
rinfo->pll.sclk = 16600;
|
|
|
|
rinfo->pll.ref_clk = 2700;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
rinfo->pll.ref_div = INPLL(PPLL_REF_DIV) & PPLL_REF_DIV_MASK;
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_PPC_OF
|
|
|
|
/*
|
2006-01-03 19:27:11 +07:00
|
|
|
* Retrieve PLL infos from Open Firmware first
|
2005-04-17 05:20:36 +07:00
|
|
|
*/
|
|
|
|
if (!force_measure_pll && radeon_read_xtal_OF(rinfo) == 0) {
|
2006-01-03 19:27:11 +07:00
|
|
|
printk(KERN_INFO "radeonfb: Retrieved PLL infos from Open Firmware\n");
|
2005-04-17 05:20:36 +07:00
|
|
|
goto found;
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_PPC_OF */
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Check out if we have an X86 which gave us some PLL informations
|
2006-01-03 19:27:11 +07:00
|
|
|
* and if yes, retrieve them
|
2005-04-17 05:20:36 +07:00
|
|
|
*/
|
|
|
|
if (!force_measure_pll && rinfo->bios_seg) {
|
|
|
|
u16 pll_info_block = BIOS_IN16(rinfo->fp_bios_start + 0x30);
|
|
|
|
|
|
|
|
rinfo->pll.sclk = BIOS_IN16(pll_info_block + 0x08);
|
|
|
|
rinfo->pll.mclk = BIOS_IN16(pll_info_block + 0x0a);
|
|
|
|
rinfo->pll.ref_clk = BIOS_IN16(pll_info_block + 0x0e);
|
|
|
|
rinfo->pll.ref_div = BIOS_IN16(pll_info_block + 0x10);
|
|
|
|
rinfo->pll.ppll_min = BIOS_IN32(pll_info_block + 0x12);
|
|
|
|
rinfo->pll.ppll_max = BIOS_IN32(pll_info_block + 0x16);
|
|
|
|
|
2006-01-03 19:27:11 +07:00
|
|
|
printk(KERN_INFO "radeonfb: Retrieved PLL infos from BIOS\n");
|
2005-04-17 05:20:36 +07:00
|
|
|
goto found;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* We didn't get PLL parameters from either OF or BIOS, we try to
|
|
|
|
* probe them
|
|
|
|
*/
|
|
|
|
if (radeon_probe_pll_params(rinfo) == 0) {
|
2006-01-03 19:27:11 +07:00
|
|
|
printk(KERN_INFO "radeonfb: Retrieved PLL infos from registers\n");
|
2005-04-17 05:20:36 +07:00
|
|
|
goto found;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Fall back to already-set defaults...
|
|
|
|
*/
|
|
|
|
printk(KERN_INFO "radeonfb: Used default PLL infos\n");
|
|
|
|
|
|
|
|
found:
|
|
|
|
/*
|
2006-01-03 19:27:11 +07:00
|
|
|
* Some methods fail to retrieve SCLK and MCLK values, we apply default
|
2005-04-17 05:20:36 +07:00
|
|
|
* settings in this case (200Mhz). If that really happne often, we could
|
|
|
|
* fetch from registers instead...
|
|
|
|
*/
|
|
|
|
if (rinfo->pll.mclk == 0)
|
|
|
|
rinfo->pll.mclk = 20000;
|
|
|
|
if (rinfo->pll.sclk == 0)
|
|
|
|
rinfo->pll.sclk = 20000;
|
|
|
|
|
|
|
|
printk("radeonfb: Reference=%d.%02d MHz (RefDiv=%d) Memory=%d.%02d Mhz, System=%d.%02d MHz\n",
|
|
|
|
rinfo->pll.ref_clk / 100, rinfo->pll.ref_clk % 100,
|
|
|
|
rinfo->pll.ref_div,
|
|
|
|
rinfo->pll.mclk / 100, rinfo->pll.mclk % 100,
|
|
|
|
rinfo->pll.sclk / 100, rinfo->pll.sclk % 100);
|
|
|
|
printk("radeonfb: PLL min %d max %d\n", rinfo->pll.ppll_min, rinfo->pll.ppll_max);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int radeonfb_check_var (struct fb_var_screeninfo *var, struct fb_info *info)
|
|
|
|
{
|
|
|
|
struct radeonfb_info *rinfo = info->par;
|
|
|
|
struct fb_var_screeninfo v;
|
|
|
|
int nom, den;
|
|
|
|
unsigned int pitch;
|
|
|
|
|
|
|
|
if (radeon_match_mode(rinfo, &v, var))
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
switch (v.bits_per_pixel) {
|
|
|
|
case 0 ... 8:
|
|
|
|
v.bits_per_pixel = 8;
|
|
|
|
break;
|
|
|
|
case 9 ... 16:
|
|
|
|
v.bits_per_pixel = 16;
|
|
|
|
break;
|
|
|
|
case 17 ... 24:
|
|
|
|
#if 0 /* Doesn't seem to work */
|
|
|
|
v.bits_per_pixel = 24;
|
|
|
|
break;
|
|
|
|
#endif
|
|
|
|
return -EINVAL;
|
|
|
|
case 25 ... 32:
|
|
|
|
v.bits_per_pixel = 32;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (var_to_depth(&v)) {
|
|
|
|
case 8:
|
|
|
|
nom = den = 1;
|
|
|
|
v.red.offset = v.green.offset = v.blue.offset = 0;
|
|
|
|
v.red.length = v.green.length = v.blue.length = 8;
|
|
|
|
v.transp.offset = v.transp.length = 0;
|
|
|
|
break;
|
|
|
|
case 15:
|
|
|
|
nom = 2;
|
|
|
|
den = 1;
|
|
|
|
v.red.offset = 10;
|
|
|
|
v.green.offset = 5;
|
|
|
|
v.blue.offset = 0;
|
|
|
|
v.red.length = v.green.length = v.blue.length = 5;
|
|
|
|
v.transp.offset = v.transp.length = 0;
|
|
|
|
break;
|
|
|
|
case 16:
|
|
|
|
nom = 2;
|
|
|
|
den = 1;
|
|
|
|
v.red.offset = 11;
|
|
|
|
v.green.offset = 5;
|
|
|
|
v.blue.offset = 0;
|
|
|
|
v.red.length = 5;
|
|
|
|
v.green.length = 6;
|
|
|
|
v.blue.length = 5;
|
|
|
|
v.transp.offset = v.transp.length = 0;
|
|
|
|
break;
|
|
|
|
case 24:
|
|
|
|
nom = 4;
|
|
|
|
den = 1;
|
|
|
|
v.red.offset = 16;
|
|
|
|
v.green.offset = 8;
|
|
|
|
v.blue.offset = 0;
|
|
|
|
v.red.length = v.blue.length = v.green.length = 8;
|
|
|
|
v.transp.offset = v.transp.length = 0;
|
|
|
|
break;
|
|
|
|
case 32:
|
|
|
|
nom = 4;
|
|
|
|
den = 1;
|
|
|
|
v.red.offset = 16;
|
|
|
|
v.green.offset = 8;
|
|
|
|
v.blue.offset = 0;
|
|
|
|
v.red.length = v.blue.length = v.green.length = 8;
|
|
|
|
v.transp.offset = 24;
|
|
|
|
v.transp.length = 8;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
printk ("radeonfb: mode %dx%dx%d rejected, color depth invalid\n",
|
|
|
|
var->xres, var->yres, var->bits_per_pixel);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (v.yres_virtual < v.yres)
|
|
|
|
v.yres_virtual = v.yres;
|
|
|
|
if (v.xres_virtual < v.xres)
|
|
|
|
v.xres_virtual = v.xres;
|
|
|
|
|
|
|
|
|
|
|
|
/* XXX I'm adjusting xres_virtual to the pitch, that may help XFree
|
|
|
|
* with some panels, though I don't quite like this solution
|
|
|
|
*/
|
|
|
|
if (rinfo->info->flags & FBINFO_HWACCEL_DISABLED) {
|
|
|
|
v.xres_virtual = v.xres_virtual & ~7ul;
|
|
|
|
} else {
|
|
|
|
pitch = ((v.xres_virtual * ((v.bits_per_pixel + 1) / 8) + 0x3f)
|
|
|
|
& ~(0x3f)) >> 6;
|
|
|
|
v.xres_virtual = (pitch << 6) / ((v.bits_per_pixel + 1) / 8);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (((v.xres_virtual * v.yres_virtual * nom) / den) > rinfo->mapped_vram)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (v.xres_virtual < v.xres)
|
|
|
|
v.xres = v.xres_virtual;
|
|
|
|
|
|
|
|
if (v.xoffset < 0)
|
|
|
|
v.xoffset = 0;
|
|
|
|
if (v.yoffset < 0)
|
|
|
|
v.yoffset = 0;
|
|
|
|
|
|
|
|
if (v.xoffset > v.xres_virtual - v.xres)
|
|
|
|
v.xoffset = v.xres_virtual - v.xres - 1;
|
|
|
|
|
|
|
|
if (v.yoffset > v.yres_virtual - v.yres)
|
|
|
|
v.yoffset = v.yres_virtual - v.yres - 1;
|
|
|
|
|
|
|
|
v.red.msb_right = v.green.msb_right = v.blue.msb_right =
|
|
|
|
v.transp.offset = v.transp.length =
|
|
|
|
v.transp.msb_right = 0;
|
|
|
|
|
|
|
|
memcpy(var, &v, sizeof(v));
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int radeonfb_pan_display (struct fb_var_screeninfo *var,
|
|
|
|
struct fb_info *info)
|
|
|
|
{
|
|
|
|
struct radeonfb_info *rinfo = info->par;
|
|
|
|
|
|
|
|
if ((var->xoffset + var->xres > var->xres_virtual)
|
|
|
|
|| (var->yoffset + var->yres > var->yres_virtual))
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (rinfo->asleep)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
radeon_fifo_wait(2);
|
|
|
|
OUTREG(CRTC_OFFSET, ((var->yoffset * var->xres_virtual + var->xoffset)
|
|
|
|
* var->bits_per_pixel / 8) & ~7);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2006-01-15 04:21:25 +07:00
|
|
|
static int radeonfb_ioctl (struct fb_info *info, unsigned int cmd,
|
|
|
|
unsigned long arg)
|
2005-04-17 05:20:36 +07:00
|
|
|
{
|
|
|
|
struct radeonfb_info *rinfo = info->par;
|
|
|
|
unsigned int tmp;
|
|
|
|
u32 value = 0;
|
|
|
|
int rc;
|
|
|
|
|
|
|
|
switch (cmd) {
|
|
|
|
/*
|
|
|
|
* TODO: set mirror accordingly for non-Mobility chipsets with 2 CRTC's
|
|
|
|
* and do something better using 2nd CRTC instead of just hackish
|
|
|
|
* routing to second output
|
|
|
|
*/
|
|
|
|
case FBIO_RADEON_SET_MIRROR:
|
|
|
|
if (!rinfo->is_mobility)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
rc = get_user(value, (__u32 __user *)arg);
|
|
|
|
|
|
|
|
if (rc)
|
|
|
|
return rc;
|
|
|
|
|
|
|
|
radeon_fifo_wait(2);
|
|
|
|
if (value & 0x01) {
|
|
|
|
tmp = INREG(LVDS_GEN_CNTL);
|
|
|
|
|
|
|
|
tmp |= (LVDS_ON | LVDS_BLON);
|
|
|
|
} else {
|
|
|
|
tmp = INREG(LVDS_GEN_CNTL);
|
|
|
|
|
|
|
|
tmp &= ~(LVDS_ON | LVDS_BLON);
|
|
|
|
}
|
|
|
|
|
|
|
|
OUTREG(LVDS_GEN_CNTL, tmp);
|
|
|
|
|
|
|
|
if (value & 0x02) {
|
|
|
|
tmp = INREG(CRTC_EXT_CNTL);
|
|
|
|
tmp |= CRTC_CRT_ON;
|
|
|
|
|
|
|
|
mirror = 1;
|
|
|
|
} else {
|
|
|
|
tmp = INREG(CRTC_EXT_CNTL);
|
|
|
|
tmp &= ~CRTC_CRT_ON;
|
|
|
|
|
|
|
|
mirror = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
OUTREG(CRTC_EXT_CNTL, tmp);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
case FBIO_RADEON_GET_MIRROR:
|
|
|
|
if (!rinfo->is_mobility)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
tmp = INREG(LVDS_GEN_CNTL);
|
|
|
|
if ((LVDS_ON | LVDS_BLON) & tmp)
|
|
|
|
value |= 0x01;
|
|
|
|
|
|
|
|
tmp = INREG(CRTC_EXT_CNTL);
|
|
|
|
if (CRTC_CRT_ON & tmp)
|
|
|
|
value |= 0x02;
|
|
|
|
|
|
|
|
return put_user(value, (__u32 __user *)arg);
|
|
|
|
default:
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int radeon_screen_blank(struct radeonfb_info *rinfo, int blank, int mode_switch)
|
|
|
|
{
|
|
|
|
u32 val;
|
|
|
|
u32 tmp_pix_clks;
|
|
|
|
int unblank = 0;
|
|
|
|
|
|
|
|
if (rinfo->lock_blank)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
radeon_engine_idle();
|
|
|
|
|
|
|
|
val = INREG(CRTC_EXT_CNTL);
|
|
|
|
val &= ~(CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS |
|
|
|
|
CRTC_VSYNC_DIS);
|
|
|
|
switch (blank) {
|
|
|
|
case FB_BLANK_VSYNC_SUSPEND:
|
|
|
|
val |= (CRTC_DISPLAY_DIS | CRTC_VSYNC_DIS);
|
|
|
|
break;
|
|
|
|
case FB_BLANK_HSYNC_SUSPEND:
|
|
|
|
val |= (CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS);
|
|
|
|
break;
|
|
|
|
case FB_BLANK_POWERDOWN:
|
|
|
|
val |= (CRTC_DISPLAY_DIS | CRTC_VSYNC_DIS |
|
|
|
|
CRTC_HSYNC_DIS);
|
|
|
|
break;
|
|
|
|
case FB_BLANK_NORMAL:
|
|
|
|
val |= CRTC_DISPLAY_DIS;
|
|
|
|
break;
|
|
|
|
case FB_BLANK_UNBLANK:
|
|
|
|
default:
|
|
|
|
unblank = 1;
|
|
|
|
}
|
|
|
|
OUTREG(CRTC_EXT_CNTL, val);
|
|
|
|
|
|
|
|
|
|
|
|
switch (rinfo->mon1_type) {
|
|
|
|
case MT_DFP:
|
|
|
|
if (unblank)
|
|
|
|
OUTREGP(FP_GEN_CNTL, (FP_FPON | FP_TMDS_EN),
|
|
|
|
~(FP_FPON | FP_TMDS_EN));
|
|
|
|
else {
|
|
|
|
if (mode_switch || blank == FB_BLANK_NORMAL)
|
|
|
|
break;
|
|
|
|
OUTREGP(FP_GEN_CNTL, 0, ~(FP_FPON | FP_TMDS_EN));
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case MT_LCD:
|
|
|
|
del_timer_sync(&rinfo->lvds_timer);
|
|
|
|
val = INREG(LVDS_GEN_CNTL);
|
|
|
|
if (unblank) {
|
|
|
|
u32 target_val = (val & ~LVDS_DISPLAY_DIS) | LVDS_BLON | LVDS_ON
|
|
|
|
| LVDS_EN | (rinfo->init_state.lvds_gen_cntl
|
|
|
|
& (LVDS_DIGON | LVDS_BL_MOD_EN));
|
|
|
|
if ((val ^ target_val) == LVDS_DISPLAY_DIS)
|
|
|
|
OUTREG(LVDS_GEN_CNTL, target_val);
|
|
|
|
else if ((val ^ target_val) != 0) {
|
|
|
|
OUTREG(LVDS_GEN_CNTL, target_val
|
|
|
|
& ~(LVDS_ON | LVDS_BL_MOD_EN));
|
|
|
|
rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
|
|
|
|
rinfo->init_state.lvds_gen_cntl |=
|
|
|
|
target_val & LVDS_STATE_MASK;
|
|
|
|
if (mode_switch) {
|
|
|
|
radeon_msleep(rinfo->panel_info.pwr_delay);
|
|
|
|
OUTREG(LVDS_GEN_CNTL, target_val);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
rinfo->pending_lvds_gen_cntl = target_val;
|
|
|
|
mod_timer(&rinfo->lvds_timer,
|
|
|
|
jiffies +
|
|
|
|
msecs_to_jiffies(rinfo->panel_info.pwr_delay));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
val |= LVDS_DISPLAY_DIS;
|
|
|
|
OUTREG(LVDS_GEN_CNTL, val);
|
|
|
|
|
|
|
|
/* We don't do a full switch-off on a simple mode switch */
|
|
|
|
if (mode_switch || blank == FB_BLANK_NORMAL)
|
|
|
|
break;
|
|
|
|
|
|
|
|
/* Asic bug, when turning off LVDS_ON, we have to make sure
|
|
|
|
* RADEON_PIXCLK_LVDS_ALWAYS_ON bit is off
|
|
|
|
*/
|
|
|
|
tmp_pix_clks = INPLL(PIXCLKS_CNTL);
|
|
|
|
if (rinfo->is_mobility || rinfo->is_IGP)
|
|
|
|
OUTPLLP(PIXCLKS_CNTL, 0, ~PIXCLK_LVDS_ALWAYS_ONb);
|
|
|
|
val &= ~(LVDS_BL_MOD_EN);
|
|
|
|
OUTREG(LVDS_GEN_CNTL, val);
|
|
|
|
udelay(100);
|
|
|
|
val &= ~(LVDS_ON | LVDS_EN);
|
|
|
|
OUTREG(LVDS_GEN_CNTL, val);
|
|
|
|
val &= ~LVDS_DIGON;
|
|
|
|
rinfo->pending_lvds_gen_cntl = val;
|
|
|
|
mod_timer(&rinfo->lvds_timer,
|
|
|
|
jiffies +
|
|
|
|
msecs_to_jiffies(rinfo->panel_info.pwr_delay));
|
|
|
|
rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
|
|
|
|
rinfo->init_state.lvds_gen_cntl |= val & LVDS_STATE_MASK;
|
|
|
|
if (rinfo->is_mobility || rinfo->is_IGP)
|
|
|
|
OUTPLL(PIXCLKS_CNTL, tmp_pix_clks);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case MT_CRT:
|
|
|
|
// todo: powerdown DAC
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* let fbcon do a soft blank for us */
|
|
|
|
return (blank == FB_BLANK_NORMAL) ? -EINVAL : 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int radeonfb_blank (int blank, struct fb_info *info)
|
|
|
|
{
|
|
|
|
struct radeonfb_info *rinfo = info->par;
|
|
|
|
|
|
|
|
if (rinfo->asleep)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
return radeon_screen_blank(rinfo, blank, 0);
|
|
|
|
}
|
|
|
|
|
2005-05-01 22:59:22 +07:00
|
|
|
static int radeon_setcolreg (unsigned regno, unsigned red, unsigned green,
|
|
|
|
unsigned blue, unsigned transp,
|
|
|
|
struct radeonfb_info *rinfo)
|
2005-04-17 05:20:36 +07:00
|
|
|
{
|
|
|
|
u32 pindex;
|
|
|
|
unsigned int i;
|
2005-05-01 22:59:22 +07:00
|
|
|
|
|
|
|
|
2005-04-17 05:20:36 +07:00
|
|
|
if (regno > 255)
|
2006-03-27 16:17:30 +07:00
|
|
|
return -EINVAL;
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
red >>= 8;
|
|
|
|
green >>= 8;
|
|
|
|
blue >>= 8;
|
|
|
|
rinfo->palette[regno].red = red;
|
|
|
|
rinfo->palette[regno].green = green;
|
|
|
|
rinfo->palette[regno].blue = blue;
|
|
|
|
|
|
|
|
/* default */
|
|
|
|
pindex = regno;
|
|
|
|
|
|
|
|
if (!rinfo->asleep) {
|
|
|
|
radeon_fifo_wait(9);
|
|
|
|
|
|
|
|
if (rinfo->bpp == 16) {
|
|
|
|
pindex = regno * 8;
|
|
|
|
|
|
|
|
if (rinfo->depth == 16 && regno > 63)
|
2006-03-27 16:17:30 +07:00
|
|
|
return -EINVAL;
|
2005-04-17 05:20:36 +07:00
|
|
|
if (rinfo->depth == 15 && regno > 31)
|
2006-03-27 16:17:30 +07:00
|
|
|
return -EINVAL;
|
2005-04-17 05:20:36 +07:00
|
|
|
|
2005-05-01 22:59:22 +07:00
|
|
|
/* For 565, the green component is mixed one order
|
|
|
|
* below
|
|
|
|
*/
|
2005-04-17 05:20:36 +07:00
|
|
|
if (rinfo->depth == 16) {
|
|
|
|
OUTREG(PALETTE_INDEX, pindex>>1);
|
2005-05-01 22:59:22 +07:00
|
|
|
OUTREG(PALETTE_DATA,
|
|
|
|
(rinfo->palette[regno>>1].red << 16) |
|
|
|
|
(green << 8) |
|
|
|
|
(rinfo->palette[regno>>1].blue));
|
2005-04-17 05:20:36 +07:00
|
|
|
green = rinfo->palette[regno<<1].green;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (rinfo->depth != 16 || regno < 32) {
|
|
|
|
OUTREG(PALETTE_INDEX, pindex);
|
2005-05-01 22:59:22 +07:00
|
|
|
OUTREG(PALETTE_DATA, (red << 16) |
|
|
|
|
(green << 8) | blue);
|
2005-04-17 05:20:36 +07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
if (regno < 16) {
|
2005-05-01 22:59:22 +07:00
|
|
|
u32 *pal = rinfo->info->pseudo_palette;
|
2005-04-17 05:20:36 +07:00
|
|
|
switch (rinfo->depth) {
|
|
|
|
case 15:
|
|
|
|
pal[regno] = (regno << 10) | (regno << 5) | regno;
|
|
|
|
break;
|
|
|
|
case 16:
|
|
|
|
pal[regno] = (regno << 11) | (regno << 5) | regno;
|
|
|
|
break;
|
|
|
|
case 24:
|
|
|
|
pal[regno] = (regno << 16) | (regno << 8) | regno;
|
|
|
|
break;
|
|
|
|
case 32:
|
|
|
|
i = (regno << 8) | regno;
|
|
|
|
pal[regno] = (i << 16) | i;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2005-05-01 22:59:22 +07:00
|
|
|
static int radeonfb_setcolreg (unsigned regno, unsigned red, unsigned green,
|
|
|
|
unsigned blue, unsigned transp,
|
|
|
|
struct fb_info *info)
|
|
|
|
{
|
|
|
|
struct radeonfb_info *rinfo = info->par;
|
|
|
|
u32 dac_cntl2, vclk_cntl = 0;
|
|
|
|
int rc;
|
|
|
|
|
|
|
|
if (!rinfo->asleep) {
|
|
|
|
if (rinfo->is_mobility) {
|
|
|
|
vclk_cntl = INPLL(VCLK_ECP_CNTL);
|
|
|
|
OUTPLL(VCLK_ECP_CNTL,
|
|
|
|
vclk_cntl & ~PIXCLK_DAC_ALWAYS_ONb);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Make sure we are on first palette */
|
|
|
|
if (rinfo->has_CRTC2) {
|
|
|
|
dac_cntl2 = INREG(DAC_CNTL2);
|
|
|
|
dac_cntl2 &= ~DAC2_PALETTE_ACCESS_CNTL;
|
|
|
|
OUTREG(DAC_CNTL2, dac_cntl2);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
rc = radeon_setcolreg (regno, red, green, blue, transp, rinfo);
|
|
|
|
|
|
|
|
if (!rinfo->asleep && rinfo->is_mobility)
|
|
|
|
OUTPLL(VCLK_ECP_CNTL, vclk_cntl);
|
|
|
|
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int radeonfb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
|
|
|
|
{
|
|
|
|
struct radeonfb_info *rinfo = info->par;
|
|
|
|
u16 *red, *green, *blue, *transp;
|
|
|
|
u32 dac_cntl2, vclk_cntl = 0;
|
|
|
|
int i, start, rc = 0;
|
|
|
|
|
|
|
|
if (!rinfo->asleep) {
|
|
|
|
if (rinfo->is_mobility) {
|
|
|
|
vclk_cntl = INPLL(VCLK_ECP_CNTL);
|
|
|
|
OUTPLL(VCLK_ECP_CNTL,
|
|
|
|
vclk_cntl & ~PIXCLK_DAC_ALWAYS_ONb);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Make sure we are on first palette */
|
|
|
|
if (rinfo->has_CRTC2) {
|
|
|
|
dac_cntl2 = INREG(DAC_CNTL2);
|
|
|
|
dac_cntl2 &= ~DAC2_PALETTE_ACCESS_CNTL;
|
|
|
|
OUTREG(DAC_CNTL2, dac_cntl2);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
red = cmap->red;
|
|
|
|
green = cmap->green;
|
|
|
|
blue = cmap->blue;
|
|
|
|
transp = cmap->transp;
|
|
|
|
start = cmap->start;
|
|
|
|
|
|
|
|
for (i = 0; i < cmap->len; i++) {
|
|
|
|
u_int hred, hgreen, hblue, htransp = 0xffff;
|
|
|
|
|
|
|
|
hred = *red++;
|
|
|
|
hgreen = *green++;
|
|
|
|
hblue = *blue++;
|
|
|
|
if (transp)
|
|
|
|
htransp = *transp++;
|
|
|
|
rc = radeon_setcolreg (start++, hred, hgreen, hblue, htransp,
|
|
|
|
rinfo);
|
|
|
|
if (rc)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!rinfo->asleep && rinfo->is_mobility)
|
|
|
|
OUTPLL(VCLK_ECP_CNTL, vclk_cntl);
|
|
|
|
|
|
|
|
return rc;
|
|
|
|
}
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
static void radeon_save_state (struct radeonfb_info *rinfo,
|
|
|
|
struct radeon_regs *save)
|
|
|
|
{
|
|
|
|
/* CRTC regs */
|
|
|
|
save->crtc_gen_cntl = INREG(CRTC_GEN_CNTL);
|
|
|
|
save->crtc_ext_cntl = INREG(CRTC_EXT_CNTL);
|
|
|
|
save->crtc_more_cntl = INREG(CRTC_MORE_CNTL);
|
|
|
|
save->dac_cntl = INREG(DAC_CNTL);
|
|
|
|
save->crtc_h_total_disp = INREG(CRTC_H_TOTAL_DISP);
|
|
|
|
save->crtc_h_sync_strt_wid = INREG(CRTC_H_SYNC_STRT_WID);
|
|
|
|
save->crtc_v_total_disp = INREG(CRTC_V_TOTAL_DISP);
|
|
|
|
save->crtc_v_sync_strt_wid = INREG(CRTC_V_SYNC_STRT_WID);
|
|
|
|
save->crtc_pitch = INREG(CRTC_PITCH);
|
|
|
|
save->surface_cntl = INREG(SURFACE_CNTL);
|
|
|
|
|
|
|
|
/* FP regs */
|
|
|
|
save->fp_crtc_h_total_disp = INREG(FP_CRTC_H_TOTAL_DISP);
|
|
|
|
save->fp_crtc_v_total_disp = INREG(FP_CRTC_V_TOTAL_DISP);
|
|
|
|
save->fp_gen_cntl = INREG(FP_GEN_CNTL);
|
|
|
|
save->fp_h_sync_strt_wid = INREG(FP_H_SYNC_STRT_WID);
|
|
|
|
save->fp_horz_stretch = INREG(FP_HORZ_STRETCH);
|
|
|
|
save->fp_v_sync_strt_wid = INREG(FP_V_SYNC_STRT_WID);
|
|
|
|
save->fp_vert_stretch = INREG(FP_VERT_STRETCH);
|
|
|
|
save->lvds_gen_cntl = INREG(LVDS_GEN_CNTL);
|
|
|
|
save->lvds_pll_cntl = INREG(LVDS_PLL_CNTL);
|
|
|
|
save->tmds_crc = INREG(TMDS_CRC);
|
|
|
|
save->tmds_transmitter_cntl = INREG(TMDS_TRANSMITTER_CNTL);
|
|
|
|
save->vclk_ecp_cntl = INPLL(VCLK_ECP_CNTL);
|
|
|
|
|
|
|
|
/* PLL regs */
|
|
|
|
save->clk_cntl_index = INREG(CLOCK_CNTL_INDEX) & ~0x3f;
|
|
|
|
radeon_pll_errata_after_index(rinfo);
|
|
|
|
save->ppll_div_3 = INPLL(PPLL_DIV_3);
|
|
|
|
save->ppll_ref_div = INPLL(PPLL_REF_DIV);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void radeon_write_pll_regs(struct radeonfb_info *rinfo, struct radeon_regs *mode)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
radeon_fifo_wait(20);
|
|
|
|
|
|
|
|
/* Workaround from XFree */
|
|
|
|
if (rinfo->is_mobility) {
|
|
|
|
/* A temporal workaround for the occational blanking on certain laptop
|
|
|
|
* panels. This appears to related to the PLL divider registers
|
|
|
|
* (fail to lock?). It occurs even when all dividers are the same
|
|
|
|
* with their old settings. In this case we really don't need to
|
|
|
|
* fiddle with PLL registers. By doing this we can avoid the blanking
|
|
|
|
* problem with some panels.
|
|
|
|
*/
|
|
|
|
if ((mode->ppll_ref_div == (INPLL(PPLL_REF_DIV) & PPLL_REF_DIV_MASK)) &&
|
|
|
|
(mode->ppll_div_3 == (INPLL(PPLL_DIV_3) &
|
|
|
|
(PPLL_POST3_DIV_MASK | PPLL_FB3_DIV_MASK)))) {
|
|
|
|
/* We still have to force a switch to selected PPLL div thanks to
|
|
|
|
* an XFree86 driver bug which will switch it away in some cases
|
|
|
|
* even when using UseFDev */
|
|
|
|
OUTREGP(CLOCK_CNTL_INDEX,
|
|
|
|
mode->clk_cntl_index & PPLL_DIV_SEL_MASK,
|
|
|
|
~PPLL_DIV_SEL_MASK);
|
|
|
|
radeon_pll_errata_after_index(rinfo);
|
|
|
|
radeon_pll_errata_after_data(rinfo);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Swich VCKL clock input to CPUCLK so it stays fed while PPLL updates*/
|
|
|
|
OUTPLLP(VCLK_ECP_CNTL, VCLK_SRC_SEL_CPUCLK, ~VCLK_SRC_SEL_MASK);
|
|
|
|
|
|
|
|
/* Reset PPLL & enable atomic update */
|
|
|
|
OUTPLLP(PPLL_CNTL,
|
|
|
|
PPLL_RESET | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN,
|
|
|
|
~(PPLL_RESET | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN));
|
|
|
|
|
|
|
|
/* Switch to selected PPLL divider */
|
|
|
|
OUTREGP(CLOCK_CNTL_INDEX,
|
|
|
|
mode->clk_cntl_index & PPLL_DIV_SEL_MASK,
|
|
|
|
~PPLL_DIV_SEL_MASK);
|
|
|
|
radeon_pll_errata_after_index(rinfo);
|
|
|
|
radeon_pll_errata_after_data(rinfo);
|
|
|
|
|
|
|
|
/* Set PPLL ref. div */
|
|
|
|
if (rinfo->family == CHIP_FAMILY_R300 ||
|
|
|
|
rinfo->family == CHIP_FAMILY_RS300 ||
|
|
|
|
rinfo->family == CHIP_FAMILY_R350 ||
|
|
|
|
rinfo->family == CHIP_FAMILY_RV350) {
|
|
|
|
if (mode->ppll_ref_div & R300_PPLL_REF_DIV_ACC_MASK) {
|
|
|
|
/* When restoring console mode, use saved PPLL_REF_DIV
|
|
|
|
* setting.
|
|
|
|
*/
|
|
|
|
OUTPLLP(PPLL_REF_DIV, mode->ppll_ref_div, 0);
|
|
|
|
} else {
|
|
|
|
/* R300 uses ref_div_acc field as real ref divider */
|
|
|
|
OUTPLLP(PPLL_REF_DIV,
|
|
|
|
(mode->ppll_ref_div << R300_PPLL_REF_DIV_ACC_SHIFT),
|
|
|
|
~R300_PPLL_REF_DIV_ACC_MASK);
|
|
|
|
}
|
|
|
|
} else
|
|
|
|
OUTPLLP(PPLL_REF_DIV, mode->ppll_ref_div, ~PPLL_REF_DIV_MASK);
|
|
|
|
|
|
|
|
/* Set PPLL divider 3 & post divider*/
|
|
|
|
OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_FB3_DIV_MASK);
|
|
|
|
OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_POST3_DIV_MASK);
|
|
|
|
|
|
|
|
/* Write update */
|
|
|
|
while (INPLL(PPLL_REF_DIV) & PPLL_ATOMIC_UPDATE_R)
|
|
|
|
;
|
|
|
|
OUTPLLP(PPLL_REF_DIV, PPLL_ATOMIC_UPDATE_W, ~PPLL_ATOMIC_UPDATE_W);
|
|
|
|
|
|
|
|
/* Wait read update complete */
|
|
|
|
/* FIXME: Certain revisions of R300 can't recover here. Not sure of
|
|
|
|
the cause yet, but this workaround will mask the problem for now.
|
|
|
|
Other chips usually will pass at the very first test, so the
|
|
|
|
workaround shouldn't have any effect on them. */
|
|
|
|
for (i = 0; (i < 10000 && INPLL(PPLL_REF_DIV) & PPLL_ATOMIC_UPDATE_R); i++)
|
|
|
|
;
|
|
|
|
|
|
|
|
OUTPLL(HTOTAL_CNTL, 0);
|
|
|
|
|
|
|
|
/* Clear reset & atomic update */
|
|
|
|
OUTPLLP(PPLL_CNTL, 0,
|
|
|
|
~(PPLL_RESET | PPLL_SLEEP | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN));
|
|
|
|
|
|
|
|
/* We may want some locking ... oh well */
|
|
|
|
radeon_msleep(5);
|
|
|
|
|
|
|
|
/* Switch back VCLK source to PPLL */
|
|
|
|
OUTPLLP(VCLK_ECP_CNTL, VCLK_SRC_SEL_PPLLCLK, ~VCLK_SRC_SEL_MASK);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Timer function for delayed LVDS panel power up/down
|
|
|
|
*/
|
|
|
|
static void radeon_lvds_timer_func(unsigned long data)
|
|
|
|
{
|
|
|
|
struct radeonfb_info *rinfo = (struct radeonfb_info *)data;
|
|
|
|
|
|
|
|
radeon_engine_idle();
|
|
|
|
|
|
|
|
OUTREG(LVDS_GEN_CNTL, rinfo->pending_lvds_gen_cntl);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Apply a video mode. This will apply the whole register set, including
|
|
|
|
* the PLL registers, to the card
|
|
|
|
*/
|
|
|
|
void radeon_write_mode (struct radeonfb_info *rinfo, struct radeon_regs *mode,
|
|
|
|
int regs_only)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
int primary_mon = PRIMARY_MONITOR(rinfo);
|
|
|
|
|
|
|
|
if (nomodeset)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (!regs_only)
|
|
|
|
radeon_screen_blank(rinfo, FB_BLANK_NORMAL, 0);
|
|
|
|
|
|
|
|
radeon_fifo_wait(31);
|
|
|
|
for (i=0; i<10; i++)
|
|
|
|
OUTREG(common_regs[i].reg, common_regs[i].val);
|
|
|
|
|
|
|
|
/* Apply surface registers */
|
|
|
|
for (i=0; i<8; i++) {
|
|
|
|
OUTREG(SURFACE0_LOWER_BOUND + 0x10*i, mode->surf_lower_bound[i]);
|
|
|
|
OUTREG(SURFACE0_UPPER_BOUND + 0x10*i, mode->surf_upper_bound[i]);
|
|
|
|
OUTREG(SURFACE0_INFO + 0x10*i, mode->surf_info[i]);
|
|
|
|
}
|
|
|
|
|
|
|
|
OUTREG(CRTC_GEN_CNTL, mode->crtc_gen_cntl);
|
|
|
|
OUTREGP(CRTC_EXT_CNTL, mode->crtc_ext_cntl,
|
|
|
|
~(CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS));
|
|
|
|
OUTREG(CRTC_MORE_CNTL, mode->crtc_more_cntl);
|
|
|
|
OUTREGP(DAC_CNTL, mode->dac_cntl, DAC_RANGE_CNTL | DAC_BLANKING);
|
|
|
|
OUTREG(CRTC_H_TOTAL_DISP, mode->crtc_h_total_disp);
|
|
|
|
OUTREG(CRTC_H_SYNC_STRT_WID, mode->crtc_h_sync_strt_wid);
|
|
|
|
OUTREG(CRTC_V_TOTAL_DISP, mode->crtc_v_total_disp);
|
|
|
|
OUTREG(CRTC_V_SYNC_STRT_WID, mode->crtc_v_sync_strt_wid);
|
|
|
|
OUTREG(CRTC_OFFSET, 0);
|
|
|
|
OUTREG(CRTC_OFFSET_CNTL, 0);
|
|
|
|
OUTREG(CRTC_PITCH, mode->crtc_pitch);
|
|
|
|
OUTREG(SURFACE_CNTL, mode->surface_cntl);
|
|
|
|
|
|
|
|
radeon_write_pll_regs(rinfo, mode);
|
|
|
|
|
|
|
|
if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
|
|
|
|
radeon_fifo_wait(10);
|
|
|
|
OUTREG(FP_CRTC_H_TOTAL_DISP, mode->fp_crtc_h_total_disp);
|
|
|
|
OUTREG(FP_CRTC_V_TOTAL_DISP, mode->fp_crtc_v_total_disp);
|
|
|
|
OUTREG(FP_H_SYNC_STRT_WID, mode->fp_h_sync_strt_wid);
|
|
|
|
OUTREG(FP_V_SYNC_STRT_WID, mode->fp_v_sync_strt_wid);
|
|
|
|
OUTREG(FP_HORZ_STRETCH, mode->fp_horz_stretch);
|
|
|
|
OUTREG(FP_VERT_STRETCH, mode->fp_vert_stretch);
|
|
|
|
OUTREG(FP_GEN_CNTL, mode->fp_gen_cntl);
|
|
|
|
OUTREG(TMDS_CRC, mode->tmds_crc);
|
|
|
|
OUTREG(TMDS_TRANSMITTER_CNTL, mode->tmds_transmitter_cntl);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!regs_only)
|
|
|
|
radeon_screen_blank(rinfo, FB_BLANK_UNBLANK, 0);
|
|
|
|
|
|
|
|
radeon_fifo_wait(2);
|
|
|
|
OUTPLL(VCLK_ECP_CNTL, mode->vclk_ecp_cntl);
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Calculate the PLL values for a given mode
|
|
|
|
*/
|
|
|
|
static void radeon_calc_pll_regs(struct radeonfb_info *rinfo, struct radeon_regs *regs,
|
|
|
|
unsigned long freq)
|
|
|
|
{
|
|
|
|
const struct {
|
|
|
|
int divider;
|
|
|
|
int bitvalue;
|
|
|
|
} *post_div,
|
|
|
|
post_divs[] = {
|
|
|
|
{ 1, 0 },
|
|
|
|
{ 2, 1 },
|
|
|
|
{ 4, 2 },
|
|
|
|
{ 8, 3 },
|
|
|
|
{ 3, 4 },
|
|
|
|
{ 16, 5 },
|
|
|
|
{ 6, 6 },
|
|
|
|
{ 12, 7 },
|
|
|
|
{ 0, 0 },
|
|
|
|
};
|
|
|
|
int fb_div, pll_output_freq = 0;
|
|
|
|
int uses_dvo = 0;
|
|
|
|
|
|
|
|
/* Check if the DVO port is enabled and sourced from the primary CRTC. I'm
|
|
|
|
* not sure which model starts having FP2_GEN_CNTL, I assume anything more
|
|
|
|
* recent than an r(v)100...
|
|
|
|
*/
|
|
|
|
#if 1
|
|
|
|
/* XXX I had reports of flicker happening with the cinema display
|
|
|
|
* on TMDS1 that seem to be fixed if I also forbit odd dividers in
|
|
|
|
* this case. This could just be a bandwidth calculation issue, I
|
|
|
|
* haven't implemented the bandwidth code yet, but in the meantime,
|
|
|
|
* forcing uses_dvo to 1 fixes it and shouln't have bad side effects,
|
|
|
|
* I haven't seen a case were were absolutely needed an odd PLL
|
|
|
|
* divider. I'll find a better fix once I have more infos on the
|
|
|
|
* real cause of the problem.
|
|
|
|
*/
|
|
|
|
while (rinfo->has_CRTC2) {
|
|
|
|
u32 fp2_gen_cntl = INREG(FP2_GEN_CNTL);
|
|
|
|
u32 disp_output_cntl;
|
|
|
|
int source;
|
|
|
|
|
|
|
|
/* FP2 path not enabled */
|
|
|
|
if ((fp2_gen_cntl & FP2_ON) == 0)
|
|
|
|
break;
|
|
|
|
/* Not all chip revs have the same format for this register,
|
|
|
|
* extract the source selection
|
|
|
|
*/
|
|
|
|
if (rinfo->family == CHIP_FAMILY_R200 ||
|
|
|
|
rinfo->family == CHIP_FAMILY_R300 ||
|
|
|
|
rinfo->family == CHIP_FAMILY_R350 ||
|
|
|
|
rinfo->family == CHIP_FAMILY_RV350) {
|
|
|
|
source = (fp2_gen_cntl >> 10) & 0x3;
|
|
|
|
/* sourced from transform unit, check for transform unit
|
|
|
|
* own source
|
|
|
|
*/
|
|
|
|
if (source == 3) {
|
|
|
|
disp_output_cntl = INREG(DISP_OUTPUT_CNTL);
|
|
|
|
source = (disp_output_cntl >> 12) & 0x3;
|
|
|
|
}
|
|
|
|
} else
|
|
|
|
source = (fp2_gen_cntl >> 13) & 0x1;
|
|
|
|
/* sourced from CRTC2 -> exit */
|
|
|
|
if (source == 1)
|
|
|
|
break;
|
|
|
|
|
|
|
|
/* so we end up on CRTC1, let's set uses_dvo to 1 now */
|
|
|
|
uses_dvo = 1;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
uses_dvo = 1;
|
|
|
|
#endif
|
|
|
|
if (freq > rinfo->pll.ppll_max)
|
|
|
|
freq = rinfo->pll.ppll_max;
|
|
|
|
if (freq*12 < rinfo->pll.ppll_min)
|
|
|
|
freq = rinfo->pll.ppll_min / 12;
|
|
|
|
RTRACE("freq = %lu, PLL min = %u, PLL max = %u\n",
|
|
|
|
freq, rinfo->pll.ppll_min, rinfo->pll.ppll_max);
|
|
|
|
|
|
|
|
for (post_div = &post_divs[0]; post_div->divider; ++post_div) {
|
|
|
|
pll_output_freq = post_div->divider * freq;
|
|
|
|
/* If we output to the DVO port (external TMDS), we don't allow an
|
|
|
|
* odd PLL divider as those aren't supported on this path
|
|
|
|
*/
|
|
|
|
if (uses_dvo && (post_div->divider & 1))
|
|
|
|
continue;
|
|
|
|
if (pll_output_freq >= rinfo->pll.ppll_min &&
|
|
|
|
pll_output_freq <= rinfo->pll.ppll_max)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If we fall through the bottom, try the "default value"
|
|
|
|
given by the terminal post_div->bitvalue */
|
|
|
|
if ( !post_div->divider ) {
|
|
|
|
post_div = &post_divs[post_div->bitvalue];
|
|
|
|
pll_output_freq = post_div->divider * freq;
|
|
|
|
}
|
|
|
|
RTRACE("ref_div = %d, ref_clk = %d, output_freq = %d\n",
|
|
|
|
rinfo->pll.ref_div, rinfo->pll.ref_clk,
|
|
|
|
pll_output_freq);
|
|
|
|
|
|
|
|
/* If we fall through the bottom, try the "default value"
|
|
|
|
given by the terminal post_div->bitvalue */
|
|
|
|
if ( !post_div->divider ) {
|
|
|
|
post_div = &post_divs[post_div->bitvalue];
|
|
|
|
pll_output_freq = post_div->divider * freq;
|
|
|
|
}
|
|
|
|
RTRACE("ref_div = %d, ref_clk = %d, output_freq = %d\n",
|
|
|
|
rinfo->pll.ref_div, rinfo->pll.ref_clk,
|
|
|
|
pll_output_freq);
|
|
|
|
|
|
|
|
fb_div = round_div(rinfo->pll.ref_div*pll_output_freq,
|
|
|
|
rinfo->pll.ref_clk);
|
|
|
|
regs->ppll_ref_div = rinfo->pll.ref_div;
|
|
|
|
regs->ppll_div_3 = fb_div | (post_div->bitvalue << 16);
|
|
|
|
|
|
|
|
RTRACE("post div = 0x%x\n", post_div->bitvalue);
|
|
|
|
RTRACE("fb_div = 0x%x\n", fb_div);
|
|
|
|
RTRACE("ppll_div_3 = 0x%x\n", regs->ppll_div_3);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int radeonfb_set_par(struct fb_info *info)
|
|
|
|
{
|
|
|
|
struct radeonfb_info *rinfo = info->par;
|
|
|
|
struct fb_var_screeninfo *mode = &info->var;
|
|
|
|
struct radeon_regs *newmode;
|
|
|
|
int hTotal, vTotal, hSyncStart, hSyncEnd,
|
|
|
|
hSyncPol, vSyncStart, vSyncEnd, vSyncPol, cSync;
|
|
|
|
u8 hsync_adj_tab[] = {0, 0x12, 9, 9, 6, 5};
|
|
|
|
u8 hsync_fudge_fp[] = {2, 2, 0, 0, 5, 5};
|
|
|
|
u32 sync, h_sync_pol, v_sync_pol, dotClock, pixClock;
|
|
|
|
int i, freq;
|
|
|
|
int format = 0;
|
|
|
|
int nopllcalc = 0;
|
|
|
|
int hsync_start, hsync_fudge, bytpp, hsync_wid, vsync_wid;
|
|
|
|
int primary_mon = PRIMARY_MONITOR(rinfo);
|
|
|
|
int depth = var_to_depth(mode);
|
|
|
|
int use_rmx = 0;
|
|
|
|
|
|
|
|
newmode = kmalloc(sizeof(struct radeon_regs), GFP_KERNEL);
|
|
|
|
if (!newmode)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
/* We always want engine to be idle on a mode switch, even
|
|
|
|
* if we won't actually change the mode
|
|
|
|
*/
|
|
|
|
radeon_engine_idle();
|
|
|
|
|
|
|
|
hSyncStart = mode->xres + mode->right_margin;
|
|
|
|
hSyncEnd = hSyncStart + mode->hsync_len;
|
|
|
|
hTotal = hSyncEnd + mode->left_margin;
|
|
|
|
|
|
|
|
vSyncStart = mode->yres + mode->lower_margin;
|
|
|
|
vSyncEnd = vSyncStart + mode->vsync_len;
|
|
|
|
vTotal = vSyncEnd + mode->upper_margin;
|
|
|
|
pixClock = mode->pixclock;
|
|
|
|
|
|
|
|
sync = mode->sync;
|
|
|
|
h_sync_pol = sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1;
|
|
|
|
v_sync_pol = sync & FB_SYNC_VERT_HIGH_ACT ? 0 : 1;
|
|
|
|
|
|
|
|
if (primary_mon == MT_DFP || primary_mon == MT_LCD) {
|
|
|
|
if (rinfo->panel_info.xres < mode->xres)
|
|
|
|
mode->xres = rinfo->panel_info.xres;
|
|
|
|
if (rinfo->panel_info.yres < mode->yres)
|
|
|
|
mode->yres = rinfo->panel_info.yres;
|
|
|
|
|
|
|
|
hTotal = mode->xres + rinfo->panel_info.hblank;
|
|
|
|
hSyncStart = mode->xres + rinfo->panel_info.hOver_plus;
|
|
|
|
hSyncEnd = hSyncStart + rinfo->panel_info.hSync_width;
|
|
|
|
|
|
|
|
vTotal = mode->yres + rinfo->panel_info.vblank;
|
|
|
|
vSyncStart = mode->yres + rinfo->panel_info.vOver_plus;
|
|
|
|
vSyncEnd = vSyncStart + rinfo->panel_info.vSync_width;
|
|
|
|
|
|
|
|
h_sync_pol = !rinfo->panel_info.hAct_high;
|
|
|
|
v_sync_pol = !rinfo->panel_info.vAct_high;
|
|
|
|
|
|
|
|
pixClock = 100000000 / rinfo->panel_info.clock;
|
|
|
|
|
|
|
|
if (rinfo->panel_info.use_bios_dividers) {
|
|
|
|
nopllcalc = 1;
|
|
|
|
newmode->ppll_div_3 = rinfo->panel_info.fbk_divider |
|
|
|
|
(rinfo->panel_info.post_divider << 16);
|
|
|
|
newmode->ppll_ref_div = rinfo->panel_info.ref_divider;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
dotClock = 1000000000 / pixClock;
|
|
|
|
freq = dotClock / 10; /* x100 */
|
|
|
|
|
|
|
|
RTRACE("hStart = %d, hEnd = %d, hTotal = %d\n",
|
|
|
|
hSyncStart, hSyncEnd, hTotal);
|
|
|
|
RTRACE("vStart = %d, vEnd = %d, vTotal = %d\n",
|
|
|
|
vSyncStart, vSyncEnd, vTotal);
|
|
|
|
|
|
|
|
hsync_wid = (hSyncEnd - hSyncStart) / 8;
|
|
|
|
vsync_wid = vSyncEnd - vSyncStart;
|
|
|
|
if (hsync_wid == 0)
|
|
|
|
hsync_wid = 1;
|
|
|
|
else if (hsync_wid > 0x3f) /* max */
|
|
|
|
hsync_wid = 0x3f;
|
|
|
|
|
|
|
|
if (vsync_wid == 0)
|
|
|
|
vsync_wid = 1;
|
|
|
|
else if (vsync_wid > 0x1f) /* max */
|
|
|
|
vsync_wid = 0x1f;
|
|
|
|
|
|
|
|
hSyncPol = mode->sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1;
|
|
|
|
vSyncPol = mode->sync & FB_SYNC_VERT_HIGH_ACT ? 0 : 1;
|
|
|
|
|
|
|
|
cSync = mode->sync & FB_SYNC_COMP_HIGH_ACT ? (1 << 4) : 0;
|
|
|
|
|
|
|
|
format = radeon_get_dstbpp(depth);
|
|
|
|
bytpp = mode->bits_per_pixel >> 3;
|
|
|
|
|
|
|
|
if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD))
|
|
|
|
hsync_fudge = hsync_fudge_fp[format-1];
|
|
|
|
else
|
|
|
|
hsync_fudge = hsync_adj_tab[format-1];
|
|
|
|
|
|
|
|
hsync_start = hSyncStart - 8 + hsync_fudge;
|
|
|
|
|
|
|
|
newmode->crtc_gen_cntl = CRTC_EXT_DISP_EN | CRTC_EN |
|
|
|
|
(format << 8);
|
|
|
|
|
|
|
|
/* Clear auto-center etc... */
|
|
|
|
newmode->crtc_more_cntl = rinfo->init_state.crtc_more_cntl;
|
|
|
|
newmode->crtc_more_cntl &= 0xfffffff0;
|
|
|
|
|
|
|
|
if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
|
|
|
|
newmode->crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN;
|
|
|
|
if (mirror)
|
|
|
|
newmode->crtc_ext_cntl |= CRTC_CRT_ON;
|
|
|
|
|
|
|
|
newmode->crtc_gen_cntl &= ~(CRTC_DBL_SCAN_EN |
|
|
|
|
CRTC_INTERLACE_EN);
|
|
|
|
} else {
|
|
|
|
newmode->crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN |
|
|
|
|
CRTC_CRT_ON;
|
|
|
|
}
|
|
|
|
|
|
|
|
newmode->dac_cntl = /* INREG(DAC_CNTL) | */ DAC_MASK_ALL | DAC_VGA_ADR_EN |
|
|
|
|
DAC_8BIT_EN;
|
|
|
|
|
|
|
|
newmode->crtc_h_total_disp = ((((hTotal / 8) - 1) & 0x3ff) |
|
|
|
|
(((mode->xres / 8) - 1) << 16));
|
|
|
|
|
|
|
|
newmode->crtc_h_sync_strt_wid = ((hsync_start & 0x1fff) |
|
|
|
|
(hsync_wid << 16) | (h_sync_pol << 23));
|
|
|
|
|
|
|
|
newmode->crtc_v_total_disp = ((vTotal - 1) & 0xffff) |
|
|
|
|
((mode->yres - 1) << 16);
|
|
|
|
|
|
|
|
newmode->crtc_v_sync_strt_wid = (((vSyncStart - 1) & 0xfff) |
|
|
|
|
(vsync_wid << 16) | (v_sync_pol << 23));
|
|
|
|
|
|
|
|
if (!(info->flags & FBINFO_HWACCEL_DISABLED)) {
|
|
|
|
/* We first calculate the engine pitch */
|
|
|
|
rinfo->pitch = ((mode->xres_virtual * ((mode->bits_per_pixel + 1) / 8) + 0x3f)
|
|
|
|
& ~(0x3f)) >> 6;
|
|
|
|
|
|
|
|
/* Then, re-multiply it to get the CRTC pitch */
|
|
|
|
newmode->crtc_pitch = (rinfo->pitch << 3) / ((mode->bits_per_pixel + 1) / 8);
|
|
|
|
} else
|
|
|
|
newmode->crtc_pitch = (mode->xres_virtual >> 3);
|
|
|
|
|
|
|
|
newmode->crtc_pitch |= (newmode->crtc_pitch << 16);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* It looks like recent chips have a problem with SURFACE_CNTL,
|
|
|
|
* setting SURF_TRANSLATION_DIS completely disables the
|
|
|
|
* swapper as well, so we leave it unset now.
|
|
|
|
*/
|
|
|
|
newmode->surface_cntl = 0;
|
|
|
|
|
|
|
|
#if defined(__BIG_ENDIAN)
|
|
|
|
|
|
|
|
/* Setup swapping on both apertures, though we currently
|
|
|
|
* only use aperture 0, enabling swapper on aperture 1
|
|
|
|
* won't harm
|
|
|
|
*/
|
|
|
|
switch (mode->bits_per_pixel) {
|
|
|
|
case 16:
|
|
|
|
newmode->surface_cntl |= NONSURF_AP0_SWP_16BPP;
|
|
|
|
newmode->surface_cntl |= NONSURF_AP1_SWP_16BPP;
|
|
|
|
break;
|
|
|
|
case 24:
|
|
|
|
case 32:
|
|
|
|
newmode->surface_cntl |= NONSURF_AP0_SWP_32BPP;
|
|
|
|
newmode->surface_cntl |= NONSURF_AP1_SWP_32BPP;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Clear surface registers */
|
|
|
|
for (i=0; i<8; i++) {
|
|
|
|
newmode->surf_lower_bound[i] = 0;
|
|
|
|
newmode->surf_upper_bound[i] = 0x1f;
|
|
|
|
newmode->surf_info[i] = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
RTRACE("h_total_disp = 0x%x\t hsync_strt_wid = 0x%x\n",
|
|
|
|
newmode->crtc_h_total_disp, newmode->crtc_h_sync_strt_wid);
|
|
|
|
RTRACE("v_total_disp = 0x%x\t vsync_strt_wid = 0x%x\n",
|
|
|
|
newmode->crtc_v_total_disp, newmode->crtc_v_sync_strt_wid);
|
|
|
|
|
|
|
|
rinfo->bpp = mode->bits_per_pixel;
|
|
|
|
rinfo->depth = depth;
|
|
|
|
|
|
|
|
RTRACE("pixclock = %lu\n", (unsigned long)pixClock);
|
|
|
|
RTRACE("freq = %lu\n", (unsigned long)freq);
|
|
|
|
|
|
|
|
/* We use PPLL_DIV_3 */
|
|
|
|
newmode->clk_cntl_index = 0x300;
|
|
|
|
|
|
|
|
/* Calculate PPLL value if necessary */
|
|
|
|
if (!nopllcalc)
|
|
|
|
radeon_calc_pll_regs(rinfo, newmode, freq);
|
|
|
|
|
|
|
|
newmode->vclk_ecp_cntl = rinfo->init_state.vclk_ecp_cntl;
|
|
|
|
|
|
|
|
if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
|
|
|
|
unsigned int hRatio, vRatio;
|
|
|
|
|
|
|
|
if (mode->xres > rinfo->panel_info.xres)
|
|
|
|
mode->xres = rinfo->panel_info.xres;
|
|
|
|
if (mode->yres > rinfo->panel_info.yres)
|
|
|
|
mode->yres = rinfo->panel_info.yres;
|
|
|
|
|
|
|
|
newmode->fp_horz_stretch = (((rinfo->panel_info.xres / 8) - 1)
|
|
|
|
<< HORZ_PANEL_SHIFT);
|
|
|
|
newmode->fp_vert_stretch = ((rinfo->panel_info.yres - 1)
|
|
|
|
<< VERT_PANEL_SHIFT);
|
|
|
|
|
|
|
|
if (mode->xres != rinfo->panel_info.xres) {
|
|
|
|
hRatio = round_div(mode->xres * HORZ_STRETCH_RATIO_MAX,
|
|
|
|
rinfo->panel_info.xres);
|
|
|
|
newmode->fp_horz_stretch = (((((unsigned long)hRatio) & HORZ_STRETCH_RATIO_MASK)) |
|
|
|
|
(newmode->fp_horz_stretch &
|
|
|
|
(HORZ_PANEL_SIZE | HORZ_FP_LOOP_STRETCH |
|
|
|
|
HORZ_AUTO_RATIO_INC)));
|
|
|
|
newmode->fp_horz_stretch |= (HORZ_STRETCH_BLEND |
|
|
|
|
HORZ_STRETCH_ENABLE);
|
|
|
|
use_rmx = 1;
|
|
|
|
}
|
|
|
|
newmode->fp_horz_stretch &= ~HORZ_AUTO_RATIO;
|
|
|
|
|
|
|
|
if (mode->yres != rinfo->panel_info.yres) {
|
|
|
|
vRatio = round_div(mode->yres * VERT_STRETCH_RATIO_MAX,
|
|
|
|
rinfo->panel_info.yres);
|
|
|
|
newmode->fp_vert_stretch = (((((unsigned long)vRatio) & VERT_STRETCH_RATIO_MASK)) |
|
|
|
|
(newmode->fp_vert_stretch &
|
|
|
|
(VERT_PANEL_SIZE | VERT_STRETCH_RESERVED)));
|
|
|
|
newmode->fp_vert_stretch |= (VERT_STRETCH_BLEND |
|
|
|
|
VERT_STRETCH_ENABLE);
|
|
|
|
use_rmx = 1;
|
|
|
|
}
|
|
|
|
newmode->fp_vert_stretch &= ~VERT_AUTO_RATIO_EN;
|
|
|
|
|
|
|
|
newmode->fp_gen_cntl = (rinfo->init_state.fp_gen_cntl & (u32)
|
|
|
|
~(FP_SEL_CRTC2 |
|
|
|
|
FP_RMX_HVSYNC_CONTROL_EN |
|
|
|
|
FP_DFP_SYNC_SEL |
|
|
|
|
FP_CRT_SYNC_SEL |
|
|
|
|
FP_CRTC_LOCK_8DOT |
|
|
|
|
FP_USE_SHADOW_EN |
|
|
|
|
FP_CRTC_USE_SHADOW_VEND |
|
|
|
|
FP_CRT_SYNC_ALT));
|
|
|
|
|
|
|
|
newmode->fp_gen_cntl |= (FP_CRTC_DONT_SHADOW_VPAR |
|
|
|
|
FP_CRTC_DONT_SHADOW_HEND |
|
|
|
|
FP_PANEL_FORMAT);
|
|
|
|
|
|
|
|
if (IS_R300_VARIANT(rinfo) ||
|
|
|
|
(rinfo->family == CHIP_FAMILY_R200)) {
|
|
|
|
newmode->fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
|
|
|
|
if (use_rmx)
|
|
|
|
newmode->fp_gen_cntl |= R200_FP_SOURCE_SEL_RMX;
|
|
|
|
else
|
|
|
|
newmode->fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC1;
|
|
|
|
} else
|
|
|
|
newmode->fp_gen_cntl |= FP_SEL_CRTC1;
|
|
|
|
|
|
|
|
newmode->lvds_gen_cntl = rinfo->init_state.lvds_gen_cntl;
|
|
|
|
newmode->lvds_pll_cntl = rinfo->init_state.lvds_pll_cntl;
|
|
|
|
newmode->tmds_crc = rinfo->init_state.tmds_crc;
|
|
|
|
newmode->tmds_transmitter_cntl = rinfo->init_state.tmds_transmitter_cntl;
|
|
|
|
|
|
|
|
if (primary_mon == MT_LCD) {
|
|
|
|
newmode->lvds_gen_cntl |= (LVDS_ON | LVDS_BLON);
|
|
|
|
newmode->fp_gen_cntl &= ~(FP_FPON | FP_TMDS_EN);
|
|
|
|
} else {
|
|
|
|
/* DFP */
|
|
|
|
newmode->fp_gen_cntl |= (FP_FPON | FP_TMDS_EN);
|
|
|
|
newmode->tmds_transmitter_cntl &= ~(TMDS_PLLRST);
|
|
|
|
/* TMDS_PLL_EN bit is reversed on RV (and mobility) chips */
|
|
|
|
if (IS_R300_VARIANT(rinfo) ||
|
|
|
|
(rinfo->family == CHIP_FAMILY_R200) || !rinfo->has_CRTC2)
|
|
|
|
newmode->tmds_transmitter_cntl &= ~TMDS_PLL_EN;
|
|
|
|
else
|
|
|
|
newmode->tmds_transmitter_cntl |= TMDS_PLL_EN;
|
|
|
|
newmode->crtc_ext_cntl &= ~CRTC_CRT_ON;
|
|
|
|
}
|
|
|
|
|
|
|
|
newmode->fp_crtc_h_total_disp = (((rinfo->panel_info.hblank / 8) & 0x3ff) |
|
|
|
|
(((mode->xres / 8) - 1) << 16));
|
|
|
|
newmode->fp_crtc_v_total_disp = (rinfo->panel_info.vblank & 0xffff) |
|
|
|
|
((mode->yres - 1) << 16);
|
|
|
|
newmode->fp_h_sync_strt_wid = ((rinfo->panel_info.hOver_plus & 0x1fff) |
|
|
|
|
(hsync_wid << 16) | (h_sync_pol << 23));
|
|
|
|
newmode->fp_v_sync_strt_wid = ((rinfo->panel_info.vOver_plus & 0xfff) |
|
|
|
|
(vsync_wid << 16) | (v_sync_pol << 23));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* do it! */
|
|
|
|
if (!rinfo->asleep) {
|
|
|
|
memcpy(&rinfo->state, newmode, sizeof(*newmode));
|
|
|
|
radeon_write_mode (rinfo, newmode, 0);
|
|
|
|
/* (re)initialize the engine */
|
|
|
|
if (!(info->flags & FBINFO_HWACCEL_DISABLED))
|
|
|
|
radeonfb_engine_init (rinfo);
|
|
|
|
}
|
|
|
|
/* Update fix */
|
|
|
|
if (!(info->flags & FBINFO_HWACCEL_DISABLED))
|
|
|
|
info->fix.line_length = rinfo->pitch*64;
|
|
|
|
else
|
|
|
|
info->fix.line_length = mode->xres_virtual
|
|
|
|
* ((mode->bits_per_pixel + 1) / 8);
|
|
|
|
info->fix.visual = rinfo->depth == 8 ? FB_VISUAL_PSEUDOCOLOR
|
|
|
|
: FB_VISUAL_DIRECTCOLOR;
|
|
|
|
|
|
|
|
#ifdef CONFIG_BOOTX_TEXT
|
|
|
|
/* Update debug text engine */
|
|
|
|
btext_update_display(rinfo->fb_base_phys, mode->xres, mode->yres,
|
|
|
|
rinfo->depth, info->fix.line_length);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
kfree(newmode);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static struct fb_ops radeonfb_ops = {
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.fb_check_var = radeonfb_check_var,
|
|
|
|
.fb_set_par = radeonfb_set_par,
|
|
|
|
.fb_setcolreg = radeonfb_setcolreg,
|
2005-05-01 22:59:22 +07:00
|
|
|
.fb_setcmap = radeonfb_setcmap,
|
2005-04-17 05:20:36 +07:00
|
|
|
.fb_pan_display = radeonfb_pan_display,
|
|
|
|
.fb_blank = radeonfb_blank,
|
|
|
|
.fb_ioctl = radeonfb_ioctl,
|
|
|
|
.fb_sync = radeonfb_sync,
|
|
|
|
.fb_fillrect = radeonfb_fillrect,
|
|
|
|
.fb_copyarea = radeonfb_copyarea,
|
|
|
|
.fb_imageblit = radeonfb_imageblit,
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
static int __devinit radeon_set_fbinfo (struct radeonfb_info *rinfo)
|
|
|
|
{
|
|
|
|
struct fb_info *info = rinfo->info;
|
|
|
|
|
|
|
|
info->par = rinfo;
|
|
|
|
info->pseudo_palette = rinfo->pseudo_palette;
|
|
|
|
info->flags = FBINFO_DEFAULT
|
|
|
|
| FBINFO_HWACCEL_COPYAREA
|
|
|
|
| FBINFO_HWACCEL_FILLRECT
|
|
|
|
| FBINFO_HWACCEL_XPAN
|
|
|
|
| FBINFO_HWACCEL_YPAN;
|
|
|
|
info->fbops = &radeonfb_ops;
|
|
|
|
info->screen_base = rinfo->fb_base;
|
|
|
|
info->screen_size = rinfo->mapped_vram;
|
|
|
|
/* Fill fix common fields */
|
|
|
|
strlcpy(info->fix.id, rinfo->name, sizeof(info->fix.id));
|
|
|
|
info->fix.smem_start = rinfo->fb_base_phys;
|
|
|
|
info->fix.smem_len = rinfo->video_ram;
|
|
|
|
info->fix.type = FB_TYPE_PACKED_PIXELS;
|
|
|
|
info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
|
|
|
|
info->fix.xpanstep = 8;
|
|
|
|
info->fix.ypanstep = 1;
|
|
|
|
info->fix.ywrapstep = 0;
|
|
|
|
info->fix.type_aux = 0;
|
|
|
|
info->fix.mmio_start = rinfo->mmio_base_phys;
|
|
|
|
info->fix.mmio_len = RADEON_REGSIZE;
|
|
|
|
info->fix.accel = FB_ACCEL_ATI_RADEON;
|
|
|
|
|
|
|
|
fb_alloc_cmap(&info->cmap, 256, 0);
|
|
|
|
|
|
|
|
if (noaccel)
|
|
|
|
info->flags |= FBINFO_HWACCEL_DISABLED;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This reconfigure the card's internal memory map. In theory, we'd like
|
|
|
|
* to setup the card's memory at the same address as it's PCI bus address,
|
|
|
|
* and the AGP aperture right after that so that system RAM on 32 bits
|
|
|
|
* machines at least, is directly accessible. However, doing so would
|
|
|
|
* conflict with the current XFree drivers...
|
|
|
|
* Ultimately, I hope XFree, GATOS and ATI binary drivers will all agree
|
|
|
|
* on the proper way to set this up and duplicate this here. In the meantime,
|
|
|
|
* I put the card's memory at 0 in card space and AGP at some random high
|
|
|
|
* local (0xe0000000 for now) that will be changed by XFree/DRI anyway
|
|
|
|
*/
|
|
|
|
#ifdef CONFIG_PPC_OF
|
|
|
|
#undef SET_MC_FB_FROM_APERTURE
|
|
|
|
static void fixup_memory_mappings(struct radeonfb_info *rinfo)
|
|
|
|
{
|
|
|
|
u32 save_crtc_gen_cntl, save_crtc2_gen_cntl = 0;
|
|
|
|
u32 save_crtc_ext_cntl;
|
|
|
|
u32 aper_base, aper_size;
|
|
|
|
u32 agp_base;
|
|
|
|
|
|
|
|
/* First, we disable display to avoid interfering */
|
|
|
|
if (rinfo->has_CRTC2) {
|
|
|
|
save_crtc2_gen_cntl = INREG(CRTC2_GEN_CNTL);
|
|
|
|
OUTREG(CRTC2_GEN_CNTL, save_crtc2_gen_cntl | CRTC2_DISP_REQ_EN_B);
|
|
|
|
}
|
|
|
|
save_crtc_gen_cntl = INREG(CRTC_GEN_CNTL);
|
|
|
|
save_crtc_ext_cntl = INREG(CRTC_EXT_CNTL);
|
|
|
|
|
|
|
|
OUTREG(CRTC_EXT_CNTL, save_crtc_ext_cntl | CRTC_DISPLAY_DIS);
|
|
|
|
OUTREG(CRTC_GEN_CNTL, save_crtc_gen_cntl | CRTC_DISP_REQ_EN_B);
|
|
|
|
mdelay(100);
|
|
|
|
|
|
|
|
aper_base = INREG(CONFIG_APER_0_BASE);
|
|
|
|
aper_size = INREG(CONFIG_APER_SIZE);
|
|
|
|
|
|
|
|
#ifdef SET_MC_FB_FROM_APERTURE
|
|
|
|
/* Set framebuffer to be at the same address as set in PCI BAR */
|
|
|
|
OUTREG(MC_FB_LOCATION,
|
|
|
|
((aper_base + aper_size - 1) & 0xffff0000) | (aper_base >> 16));
|
|
|
|
rinfo->fb_local_base = aper_base;
|
|
|
|
#else
|
|
|
|
OUTREG(MC_FB_LOCATION, 0x7fff0000);
|
|
|
|
rinfo->fb_local_base = 0;
|
|
|
|
#endif
|
|
|
|
agp_base = aper_base + aper_size;
|
|
|
|
if (agp_base & 0xf0000000)
|
|
|
|
agp_base = (aper_base | 0x0fffffff) + 1;
|
|
|
|
|
|
|
|
/* Set AGP to be just after the framebuffer on a 256Mb boundary. This
|
|
|
|
* assumes the FB isn't mapped to 0xf0000000 or above, but this is
|
|
|
|
* always the case on PPCs afaik.
|
|
|
|
*/
|
|
|
|
#ifdef SET_MC_FB_FROM_APERTURE
|
|
|
|
OUTREG(MC_AGP_LOCATION, 0xffff0000 | (agp_base >> 16));
|
|
|
|
#else
|
|
|
|
OUTREG(MC_AGP_LOCATION, 0xffffe000);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Fixup the display base addresses & engine offsets while we
|
|
|
|
* are at it as well
|
|
|
|
*/
|
|
|
|
#ifdef SET_MC_FB_FROM_APERTURE
|
|
|
|
OUTREG(DISPLAY_BASE_ADDR, aper_base);
|
|
|
|
if (rinfo->has_CRTC2)
|
|
|
|
OUTREG(CRTC2_DISPLAY_BASE_ADDR, aper_base);
|
|
|
|
OUTREG(OV0_BASE_ADDR, aper_base);
|
|
|
|
#else
|
|
|
|
OUTREG(DISPLAY_BASE_ADDR, 0);
|
|
|
|
if (rinfo->has_CRTC2)
|
|
|
|
OUTREG(CRTC2_DISPLAY_BASE_ADDR, 0);
|
|
|
|
OUTREG(OV0_BASE_ADDR, 0);
|
|
|
|
#endif
|
|
|
|
mdelay(100);
|
|
|
|
|
|
|
|
/* Restore display settings */
|
|
|
|
OUTREG(CRTC_GEN_CNTL, save_crtc_gen_cntl);
|
|
|
|
OUTREG(CRTC_EXT_CNTL, save_crtc_ext_cntl);
|
|
|
|
if (rinfo->has_CRTC2)
|
|
|
|
OUTREG(CRTC2_GEN_CNTL, save_crtc2_gen_cntl);
|
|
|
|
|
|
|
|
RTRACE("aper_base: %08x MC_FB_LOC to: %08x, MC_AGP_LOC to: %08x\n",
|
|
|
|
aper_base,
|
|
|
|
((aper_base + aper_size - 1) & 0xffff0000) | (aper_base >> 16),
|
|
|
|
0xffff0000 | (agp_base >> 16));
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_PPC_OF */
|
|
|
|
|
|
|
|
|
|
|
|
static void radeon_identify_vram(struct radeonfb_info *rinfo)
|
|
|
|
{
|
|
|
|
u32 tmp;
|
|
|
|
|
|
|
|
/* framebuffer size */
|
|
|
|
if ((rinfo->family == CHIP_FAMILY_RS100) ||
|
|
|
|
(rinfo->family == CHIP_FAMILY_RS200) ||
|
|
|
|
(rinfo->family == CHIP_FAMILY_RS300)) {
|
|
|
|
u32 tom = INREG(NB_TOM);
|
|
|
|
tmp = ((((tom >> 16) - (tom & 0xffff) + 1) << 6) * 1024);
|
|
|
|
|
|
|
|
radeon_fifo_wait(6);
|
|
|
|
OUTREG(MC_FB_LOCATION, tom);
|
|
|
|
OUTREG(DISPLAY_BASE_ADDR, (tom & 0xffff) << 16);
|
|
|
|
OUTREG(CRTC2_DISPLAY_BASE_ADDR, (tom & 0xffff) << 16);
|
|
|
|
OUTREG(OV0_BASE_ADDR, (tom & 0xffff) << 16);
|
|
|
|
|
|
|
|
/* This is supposed to fix the crtc2 noise problem. */
|
|
|
|
OUTREG(GRPH2_BUFFER_CNTL, INREG(GRPH2_BUFFER_CNTL) & ~0x7f0000);
|
|
|
|
|
|
|
|
if ((rinfo->family == CHIP_FAMILY_RS100) ||
|
|
|
|
(rinfo->family == CHIP_FAMILY_RS200)) {
|
|
|
|
/* This is to workaround the asic bug for RMX, some versions
|
|
|
|
of BIOS dosen't have this register initialized correctly.
|
|
|
|
*/
|
|
|
|
OUTREGP(CRTC_MORE_CNTL, CRTC_H_CUTOFF_ACTIVE_EN,
|
|
|
|
~CRTC_H_CUTOFF_ACTIVE_EN);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
tmp = INREG(CONFIG_MEMSIZE);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* mem size is bits [28:0], mask off the rest */
|
|
|
|
rinfo->video_ram = tmp & CONFIG_MEMSIZE_MASK;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Hack to get around some busted production M6's
|
|
|
|
* reporting no ram
|
|
|
|
*/
|
|
|
|
if (rinfo->video_ram == 0) {
|
|
|
|
switch (rinfo->pdev->device) {
|
|
|
|
case PCI_CHIP_RADEON_LY:
|
|
|
|
case PCI_CHIP_RADEON_LZ:
|
|
|
|
rinfo->video_ram = 8192 * 1024;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Now try to identify VRAM type
|
|
|
|
*/
|
|
|
|
if (rinfo->is_IGP || (rinfo->family >= CHIP_FAMILY_R300) ||
|
|
|
|
(INREG(MEM_SDRAM_MODE_REG) & (1<<30)))
|
|
|
|
rinfo->vram_ddr = 1;
|
|
|
|
else
|
|
|
|
rinfo->vram_ddr = 0;
|
|
|
|
|
|
|
|
tmp = INREG(MEM_CNTL);
|
|
|
|
if (IS_R300_VARIANT(rinfo)) {
|
|
|
|
tmp &= R300_MEM_NUM_CHANNELS_MASK;
|
|
|
|
switch (tmp) {
|
|
|
|
case 0: rinfo->vram_width = 64; break;
|
|
|
|
case 1: rinfo->vram_width = 128; break;
|
|
|
|
case 2: rinfo->vram_width = 256; break;
|
|
|
|
default: rinfo->vram_width = 128; break;
|
|
|
|
}
|
|
|
|
} else if ((rinfo->family == CHIP_FAMILY_RV100) ||
|
|
|
|
(rinfo->family == CHIP_FAMILY_RS100) ||
|
|
|
|
(rinfo->family == CHIP_FAMILY_RS200)){
|
|
|
|
if (tmp & RV100_MEM_HALF_MODE)
|
|
|
|
rinfo->vram_width = 32;
|
|
|
|
else
|
|
|
|
rinfo->vram_width = 64;
|
|
|
|
} else {
|
|
|
|
if (tmp & MEM_NUM_CHANNELS_MASK)
|
|
|
|
rinfo->vram_width = 128;
|
|
|
|
else
|
|
|
|
rinfo->vram_width = 64;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* This may not be correct, as some cards can have half of channel disabled
|
|
|
|
* ToDo: identify these cases
|
|
|
|
*/
|
|
|
|
|
|
|
|
RTRACE("radeonfb (%s): Found %ldk of %s %d bits wide videoram\n",
|
|
|
|
pci_name(rinfo->pdev),
|
|
|
|
rinfo->video_ram / 1024,
|
|
|
|
rinfo->vram_ddr ? "DDR" : "SDRAM",
|
|
|
|
rinfo->vram_width);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Sysfs
|
|
|
|
*/
|
|
|
|
|
|
|
|
static ssize_t radeon_show_one_edid(char *buf, loff_t off, size_t count, const u8 *edid)
|
|
|
|
{
|
|
|
|
if (off > EDID_LENGTH)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
if (off + count > EDID_LENGTH)
|
|
|
|
count = EDID_LENGTH - off;
|
|
|
|
|
|
|
|
memcpy(buf, edid + off, count);
|
|
|
|
|
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static ssize_t radeon_show_edid1(struct kobject *kobj, char *buf, loff_t off, size_t count)
|
|
|
|
{
|
|
|
|
struct device *dev = container_of(kobj, struct device, kobj);
|
|
|
|
struct pci_dev *pdev = to_pci_dev(dev);
|
|
|
|
struct fb_info *info = pci_get_drvdata(pdev);
|
|
|
|
struct radeonfb_info *rinfo = info->par;
|
|
|
|
|
|
|
|
return radeon_show_one_edid(buf, off, count, rinfo->mon1_EDID);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static ssize_t radeon_show_edid2(struct kobject *kobj, char *buf, loff_t off, size_t count)
|
|
|
|
{
|
|
|
|
struct device *dev = container_of(kobj, struct device, kobj);
|
|
|
|
struct pci_dev *pdev = to_pci_dev(dev);
|
|
|
|
struct fb_info *info = pci_get_drvdata(pdev);
|
|
|
|
struct radeonfb_info *rinfo = info->par;
|
|
|
|
|
|
|
|
return radeon_show_one_edid(buf, off, count, rinfo->mon2_EDID);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct bin_attribute edid1_attr = {
|
|
|
|
.attr = {
|
|
|
|
.name = "edid1",
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.mode = 0444,
|
|
|
|
},
|
|
|
|
.size = EDID_LENGTH,
|
|
|
|
.read = radeon_show_edid1,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct bin_attribute edid2_attr = {
|
|
|
|
.attr = {
|
|
|
|
.name = "edid2",
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.mode = 0444,
|
|
|
|
},
|
|
|
|
.size = EDID_LENGTH,
|
|
|
|
.read = radeon_show_edid2,
|
|
|
|
};
|
|
|
|
|
|
|
|
|
2006-04-19 12:22:10 +07:00
|
|
|
static int __devinit radeonfb_pci_register (struct pci_dev *pdev,
|
2005-04-17 05:20:36 +07:00
|
|
|
const struct pci_device_id *ent)
|
|
|
|
{
|
|
|
|
struct fb_info *info;
|
|
|
|
struct radeonfb_info *rinfo;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
RTRACE("radeonfb_pci_register BEGIN\n");
|
|
|
|
|
|
|
|
/* Enable device in PCI config */
|
|
|
|
ret = pci_enable_device(pdev);
|
|
|
|
if (ret < 0) {
|
|
|
|
printk(KERN_ERR "radeonfb (%s): Cannot enable PCI device\n",
|
|
|
|
pci_name(pdev));
|
|
|
|
goto err_out;
|
|
|
|
}
|
|
|
|
|
|
|
|
info = framebuffer_alloc(sizeof(struct radeonfb_info), &pdev->dev);
|
|
|
|
if (!info) {
|
|
|
|
printk (KERN_ERR "radeonfb (%s): could not allocate memory\n",
|
|
|
|
pci_name(pdev));
|
|
|
|
ret = -ENOMEM;
|
|
|
|
goto err_disable;
|
|
|
|
}
|
|
|
|
rinfo = info->par;
|
|
|
|
rinfo->info = info;
|
|
|
|
rinfo->pdev = pdev;
|
|
|
|
|
|
|
|
spin_lock_init(&rinfo->reg_lock);
|
|
|
|
init_timer(&rinfo->lvds_timer);
|
|
|
|
rinfo->lvds_timer.function = radeon_lvds_timer_func;
|
|
|
|
rinfo->lvds_timer.data = (unsigned long)rinfo;
|
|
|
|
|
|
|
|
strcpy(rinfo->name, "ATI Radeon XX ");
|
|
|
|
rinfo->name[11] = ent->device >> 8;
|
|
|
|
rinfo->name[12] = ent->device & 0xFF;
|
|
|
|
rinfo->family = ent->driver_data & CHIP_FAMILY_MASK;
|
|
|
|
rinfo->chipset = pdev->device;
|
|
|
|
rinfo->has_CRTC2 = (ent->driver_data & CHIP_HAS_CRTC2) != 0;
|
|
|
|
rinfo->is_mobility = (ent->driver_data & CHIP_IS_MOBILITY) != 0;
|
|
|
|
rinfo->is_IGP = (ent->driver_data & CHIP_IS_IGP) != 0;
|
|
|
|
|
|
|
|
/* Set base addrs */
|
|
|
|
rinfo->fb_base_phys = pci_resource_start (pdev, 0);
|
|
|
|
rinfo->mmio_base_phys = pci_resource_start (pdev, 2);
|
|
|
|
|
|
|
|
/* request the mem regions */
|
2005-09-10 03:04:59 +07:00
|
|
|
ret = pci_request_region(pdev, 0, "radeonfb framebuffer");
|
2005-04-17 05:20:36 +07:00
|
|
|
if (ret < 0) {
|
2005-09-10 03:04:59 +07:00
|
|
|
printk( KERN_ERR "radeonfb (%s): cannot request region 0.\n",
|
|
|
|
pci_name(rinfo->pdev));
|
2005-04-17 05:20:36 +07:00
|
|
|
goto err_release_fb;
|
|
|
|
}
|
|
|
|
|
2005-09-10 03:04:59 +07:00
|
|
|
ret = pci_request_region(pdev, 2, "radeonfb mmio");
|
|
|
|
if (ret < 0) {
|
|
|
|
printk( KERN_ERR "radeonfb (%s): cannot request region 2.\n",
|
|
|
|
pci_name(rinfo->pdev));
|
|
|
|
goto err_release_pci0;
|
|
|
|
}
|
|
|
|
|
2005-04-17 05:20:36 +07:00
|
|
|
/* map the regions */
|
|
|
|
rinfo->mmio_base = ioremap(rinfo->mmio_base_phys, RADEON_REGSIZE);
|
|
|
|
if (!rinfo->mmio_base) {
|
2005-09-10 03:04:59 +07:00
|
|
|
printk(KERN_ERR "radeonfb (%s): cannot map MMIO\n",
|
|
|
|
pci_name(rinfo->pdev));
|
2005-04-17 05:20:36 +07:00
|
|
|
ret = -EIO;
|
2005-09-10 03:04:59 +07:00
|
|
|
goto err_release_pci2;
|
2005-04-17 05:20:36 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
rinfo->fb_local_base = INREG(MC_FB_LOCATION) << 16;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Check for errata
|
|
|
|
*/
|
|
|
|
rinfo->errata = 0;
|
|
|
|
if (rinfo->family == CHIP_FAMILY_R300 &&
|
|
|
|
(INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK)
|
|
|
|
== CFG_ATI_REV_A11)
|
|
|
|
rinfo->errata |= CHIP_ERRATA_R300_CG;
|
|
|
|
|
|
|
|
if (rinfo->family == CHIP_FAMILY_RV200 ||
|
|
|
|
rinfo->family == CHIP_FAMILY_RS200)
|
|
|
|
rinfo->errata |= CHIP_ERRATA_PLL_DUMMYREADS;
|
|
|
|
|
|
|
|
if (rinfo->family == CHIP_FAMILY_RV100 ||
|
|
|
|
rinfo->family == CHIP_FAMILY_RS100 ||
|
|
|
|
rinfo->family == CHIP_FAMILY_RS200)
|
|
|
|
rinfo->errata |= CHIP_ERRATA_PLL_DELAY;
|
|
|
|
|
|
|
|
#ifdef CONFIG_PPC_OF
|
|
|
|
/* On PPC, we obtain the OF device-node pointer to the firmware
|
|
|
|
* data for this chip
|
|
|
|
*/
|
|
|
|
rinfo->of_node = pci_device_to_OF_node(pdev);
|
|
|
|
if (rinfo->of_node == NULL)
|
|
|
|
printk(KERN_WARNING "radeonfb (%s): Cannot match card to OF node !\n",
|
|
|
|
pci_name(rinfo->pdev));
|
|
|
|
|
|
|
|
/* On PPC, the firmware sets up a memory mapping that tends
|
|
|
|
* to cause lockups when enabling the engine. We reconfigure
|
|
|
|
* the card internal memory mappings properly
|
|
|
|
*/
|
|
|
|
fixup_memory_mappings(rinfo);
|
|
|
|
#endif /* CONFIG_PPC_OF */
|
|
|
|
|
|
|
|
/* Get VRAM size and type */
|
|
|
|
radeon_identify_vram(rinfo);
|
|
|
|
|
|
|
|
rinfo->mapped_vram = min_t(unsigned long, MAX_MAPPED_VRAM, rinfo->video_ram);
|
|
|
|
|
|
|
|
do {
|
|
|
|
rinfo->fb_base = ioremap (rinfo->fb_base_phys,
|
|
|
|
rinfo->mapped_vram);
|
|
|
|
} while ( rinfo->fb_base == 0 &&
|
|
|
|
((rinfo->mapped_vram /=2) >= MIN_MAPPED_VRAM) );
|
|
|
|
|
2005-06-11 06:45:30 +07:00
|
|
|
if (rinfo->fb_base == NULL) {
|
|
|
|
printk (KERN_ERR "radeonfb (%s): cannot map FB\n",
|
|
|
|
pci_name(rinfo->pdev));
|
2005-04-17 05:20:36 +07:00
|
|
|
ret = -EIO;
|
|
|
|
goto err_unmap_rom;
|
|
|
|
}
|
|
|
|
|
|
|
|
RTRACE("radeonfb (%s): mapped %ldk videoram\n", pci_name(rinfo->pdev),
|
|
|
|
rinfo->mapped_vram/1024);
|
|
|
|
|
|
|
|
/*
|
2006-01-03 19:27:11 +07:00
|
|
|
* Map the BIOS ROM if any and retrieve PLL parameters from
|
2005-04-17 05:20:36 +07:00
|
|
|
* the BIOS. We skip that on mobility chips as the real panel
|
|
|
|
* values we need aren't in the ROM but in the BIOS image in
|
|
|
|
* memory. This is definitely not the best meacnism though,
|
|
|
|
* we really need the arch code to tell us which is the "primary"
|
|
|
|
* video adapter to use the memory image (or better, the arch
|
|
|
|
* should provide us a copy of the BIOS image to shield us from
|
|
|
|
* archs who would store that elsewhere and/or could initialize
|
|
|
|
* more than one adapter during boot).
|
|
|
|
*/
|
|
|
|
if (!rinfo->is_mobility)
|
|
|
|
radeon_map_ROM(rinfo, pdev);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* On x86, the primary display on laptop may have it's BIOS
|
|
|
|
* ROM elsewhere, try to locate it at the legacy memory hole.
|
|
|
|
* We probably need to make sure this is the primary display,
|
|
|
|
* but that is difficult without some arch support.
|
|
|
|
*/
|
|
|
|
#ifdef CONFIG_X86
|
|
|
|
if (rinfo->bios_seg == NULL)
|
|
|
|
radeon_find_mem_vbios(rinfo);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* If both above failed, try the BIOS ROM again for mobility
|
|
|
|
* chips
|
|
|
|
*/
|
|
|
|
if (rinfo->bios_seg == NULL && rinfo->is_mobility)
|
|
|
|
radeon_map_ROM(rinfo, pdev);
|
|
|
|
|
|
|
|
/* Get informations about the board's PLL */
|
|
|
|
radeon_get_pllinfo(rinfo);
|
|
|
|
|
|
|
|
#ifdef CONFIG_FB_RADEON_I2C
|
|
|
|
/* Register I2C bus */
|
|
|
|
radeon_create_i2c_busses(rinfo);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* set all the vital stuff */
|
|
|
|
radeon_set_fbinfo (rinfo);
|
|
|
|
|
|
|
|
/* Probe screen types */
|
|
|
|
radeon_probe_screens(rinfo, monitor_layout, ignore_edid);
|
|
|
|
|
|
|
|
/* Build mode list, check out panel native model */
|
|
|
|
radeon_check_modes(rinfo, mode_option);
|
|
|
|
|
|
|
|
/* Register some sysfs stuff (should be done better) */
|
|
|
|
if (rinfo->mon1_EDID)
|
|
|
|
sysfs_create_bin_file(&rinfo->pdev->dev.kobj, &edid1_attr);
|
|
|
|
if (rinfo->mon2_EDID)
|
|
|
|
sysfs_create_bin_file(&rinfo->pdev->dev.kobj, &edid2_attr);
|
|
|
|
|
|
|
|
/* save current mode regs before we switch into the new one
|
|
|
|
* so we can restore this upon __exit
|
|
|
|
*/
|
|
|
|
radeon_save_state (rinfo, &rinfo->init_state);
|
|
|
|
memcpy(&rinfo->state, &rinfo->init_state, sizeof(struct radeon_regs));
|
|
|
|
|
|
|
|
/* Setup Power Management capabilities */
|
|
|
|
if (default_dynclk < -1) {
|
|
|
|
/* -2 is special: means ON on mobility chips and do not
|
|
|
|
* change on others
|
|
|
|
*/
|
2006-07-30 17:04:18 +07:00
|
|
|
radeonfb_pm_init(rinfo, rinfo->is_mobility ? 1 : -1, ignore_devlist, force_sleep);
|
2005-04-17 05:20:36 +07:00
|
|
|
} else
|
2006-07-30 17:04:18 +07:00
|
|
|
radeonfb_pm_init(rinfo, default_dynclk, ignore_devlist, force_sleep);
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
pci_set_drvdata(pdev, info);
|
|
|
|
|
|
|
|
/* Register with fbdev layer */
|
|
|
|
ret = register_framebuffer(info);
|
|
|
|
if (ret < 0) {
|
|
|
|
printk (KERN_ERR "radeonfb (%s): could not register framebuffer\n",
|
|
|
|
pci_name(rinfo->pdev));
|
|
|
|
goto err_unmap_fb;
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef CONFIG_MTRR
|
|
|
|
rinfo->mtrr_hdl = nomtrr ? -1 : mtrr_add(rinfo->fb_base_phys,
|
|
|
|
rinfo->video_ram,
|
|
|
|
MTRR_TYPE_WRCOMB, 1);
|
|
|
|
#endif
|
|
|
|
|
2006-06-25 19:47:08 +07:00
|
|
|
radeonfb_bl_init(rinfo);
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
printk ("radeonfb (%s): %s\n", pci_name(rinfo->pdev), rinfo->name);
|
|
|
|
|
|
|
|
if (rinfo->bios_seg)
|
|
|
|
radeon_unmap_ROM(rinfo, pdev);
|
|
|
|
RTRACE("radeonfb_pci_register END\n");
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
err_unmap_fb:
|
|
|
|
iounmap(rinfo->fb_base);
|
|
|
|
err_unmap_rom:
|
|
|
|
kfree(rinfo->mon1_EDID);
|
|
|
|
kfree(rinfo->mon2_EDID);
|
|
|
|
if (rinfo->mon1_modedb)
|
|
|
|
fb_destroy_modedb(rinfo->mon1_modedb);
|
|
|
|
fb_dealloc_cmap(&info->cmap);
|
|
|
|
#ifdef CONFIG_FB_RADEON_I2C
|
|
|
|
radeon_delete_i2c_busses(rinfo);
|
|
|
|
#endif
|
|
|
|
if (rinfo->bios_seg)
|
|
|
|
radeon_unmap_ROM(rinfo, pdev);
|
|
|
|
iounmap(rinfo->mmio_base);
|
2005-09-10 03:04:59 +07:00
|
|
|
err_release_pci2:
|
|
|
|
pci_release_region(pdev, 2);
|
|
|
|
err_release_pci0:
|
|
|
|
pci_release_region(pdev, 0);
|
2005-04-17 05:20:36 +07:00
|
|
|
err_release_fb:
|
2005-09-10 03:04:59 +07:00
|
|
|
framebuffer_release(info);
|
2005-04-17 05:20:36 +07:00
|
|
|
err_disable:
|
|
|
|
err_out:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static void __devexit radeonfb_pci_unregister (struct pci_dev *pdev)
|
|
|
|
{
|
|
|
|
struct fb_info *info = pci_get_drvdata(pdev);
|
|
|
|
struct radeonfb_info *rinfo = info->par;
|
|
|
|
|
|
|
|
if (!rinfo)
|
|
|
|
return;
|
2006-06-25 19:47:08 +07:00
|
|
|
|
|
|
|
radeonfb_bl_exit(rinfo);
|
2005-04-17 05:20:36 +07:00
|
|
|
radeonfb_pm_exit(rinfo);
|
|
|
|
|
2005-07-28 01:46:05 +07:00
|
|
|
if (rinfo->mon1_EDID)
|
|
|
|
sysfs_remove_bin_file(&rinfo->pdev->dev.kobj, &edid1_attr);
|
|
|
|
if (rinfo->mon2_EDID)
|
|
|
|
sysfs_remove_bin_file(&rinfo->pdev->dev.kobj, &edid2_attr);
|
|
|
|
|
2005-04-17 05:20:36 +07:00
|
|
|
#if 0
|
|
|
|
/* restore original state
|
|
|
|
*
|
|
|
|
* Doesn't quite work yet, I suspect if we come from a legacy
|
|
|
|
* VGA mode (or worse, text mode), we need to do some VGA black
|
|
|
|
* magic here that I know nothing about. --BenH
|
|
|
|
*/
|
|
|
|
radeon_write_mode (rinfo, &rinfo->init_state, 1);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
del_timer_sync(&rinfo->lvds_timer);
|
|
|
|
|
|
|
|
#ifdef CONFIG_MTRR
|
|
|
|
if (rinfo->mtrr_hdl >= 0)
|
|
|
|
mtrr_del(rinfo->mtrr_hdl, 0, 0);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
unregister_framebuffer(info);
|
|
|
|
|
|
|
|
iounmap(rinfo->mmio_base);
|
|
|
|
iounmap(rinfo->fb_base);
|
|
|
|
|
2005-09-10 03:04:59 +07:00
|
|
|
pci_release_region(pdev, 2);
|
|
|
|
pci_release_region(pdev, 0);
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
kfree(rinfo->mon1_EDID);
|
|
|
|
kfree(rinfo->mon2_EDID);
|
|
|
|
if (rinfo->mon1_modedb)
|
|
|
|
fb_destroy_modedb(rinfo->mon1_modedb);
|
|
|
|
#ifdef CONFIG_FB_RADEON_I2C
|
|
|
|
radeon_delete_i2c_busses(rinfo);
|
|
|
|
#endif
|
|
|
|
fb_dealloc_cmap(&info->cmap);
|
|
|
|
framebuffer_release(info);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static struct pci_driver radeonfb_driver = {
|
|
|
|
.name = "radeonfb",
|
|
|
|
.id_table = radeonfb_pci_table,
|
|
|
|
.probe = radeonfb_pci_register,
|
|
|
|
.remove = __devexit_p(radeonfb_pci_unregister),
|
|
|
|
#ifdef CONFIG_PM
|
|
|
|
.suspend = radeonfb_pci_suspend,
|
|
|
|
.resume = radeonfb_pci_resume,
|
|
|
|
#endif /* CONFIG_PM */
|
|
|
|
};
|
|
|
|
|
|
|
|
#ifndef MODULE
|
|
|
|
static int __init radeonfb_setup (char *options)
|
|
|
|
{
|
|
|
|
char *this_opt;
|
|
|
|
|
|
|
|
if (!options || !*options)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
while ((this_opt = strsep (&options, ",")) != NULL) {
|
|
|
|
if (!*this_opt)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (!strncmp(this_opt, "noaccel", 7)) {
|
|
|
|
noaccel = 1;
|
|
|
|
} else if (!strncmp(this_opt, "mirror", 6)) {
|
|
|
|
mirror = 1;
|
|
|
|
} else if (!strncmp(this_opt, "force_dfp", 9)) {
|
|
|
|
force_dfp = 1;
|
|
|
|
} else if (!strncmp(this_opt, "panel_yres:", 11)) {
|
|
|
|
panel_yres = simple_strtoul((this_opt+11), NULL, 0);
|
|
|
|
#ifdef CONFIG_MTRR
|
|
|
|
} else if (!strncmp(this_opt, "nomtrr", 6)) {
|
|
|
|
nomtrr = 1;
|
|
|
|
#endif
|
|
|
|
} else if (!strncmp(this_opt, "nomodeset", 9)) {
|
|
|
|
nomodeset = 1;
|
|
|
|
} else if (!strncmp(this_opt, "force_measure_pll", 17)) {
|
|
|
|
force_measure_pll = 1;
|
|
|
|
} else if (!strncmp(this_opt, "ignore_edid", 11)) {
|
|
|
|
ignore_edid = 1;
|
2006-07-30 17:04:18 +07:00
|
|
|
#if defined(CONFIG_PM) && defined(CONFIG_X86)
|
|
|
|
} else if (!strncmp(this_opt, "force_sleep", 11)) {
|
|
|
|
force_sleep = 1;
|
|
|
|
} else if (!strncmp(this_opt, "ignore_devlist", 14)) {
|
|
|
|
ignore_devlist = 1;
|
|
|
|
#endif
|
2005-04-17 05:20:36 +07:00
|
|
|
} else
|
|
|
|
mode_option = this_opt;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#endif /* MODULE */
|
|
|
|
|
|
|
|
static int __init radeonfb_init (void)
|
|
|
|
{
|
|
|
|
#ifndef MODULE
|
|
|
|
char *option = NULL;
|
|
|
|
|
|
|
|
if (fb_get_options("radeonfb", &option))
|
|
|
|
return -ENODEV;
|
|
|
|
radeonfb_setup(option);
|
|
|
|
#endif
|
|
|
|
return pci_register_driver (&radeonfb_driver);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void __exit radeonfb_exit (void)
|
|
|
|
{
|
|
|
|
pci_unregister_driver (&radeonfb_driver);
|
|
|
|
}
|
|
|
|
|
|
|
|
module_init(radeonfb_init);
|
|
|
|
module_exit(radeonfb_exit);
|
|
|
|
|
|
|
|
MODULE_AUTHOR("Ani Joshi");
|
|
|
|
MODULE_DESCRIPTION("framebuffer driver for ATI Radeon chipset");
|
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
module_param(noaccel, bool, 0);
|
|
|
|
module_param(default_dynclk, int, 0);
|
|
|
|
MODULE_PARM_DESC(default_dynclk, "int: -2=enable on mobility only,-1=do not change,0=off,1=on");
|
|
|
|
MODULE_PARM_DESC(noaccel, "bool: disable acceleration");
|
|
|
|
module_param(nomodeset, bool, 0);
|
|
|
|
MODULE_PARM_DESC(nomodeset, "bool: disable actual setting of video mode");
|
|
|
|
module_param(mirror, bool, 0);
|
|
|
|
MODULE_PARM_DESC(mirror, "bool: mirror the display to both monitors");
|
|
|
|
module_param(force_dfp, bool, 0);
|
|
|
|
MODULE_PARM_DESC(force_dfp, "bool: force display to dfp");
|
|
|
|
module_param(ignore_edid, bool, 0);
|
|
|
|
MODULE_PARM_DESC(ignore_edid, "bool: Ignore EDID data when doing DDC probe");
|
|
|
|
module_param(monitor_layout, charp, 0);
|
|
|
|
MODULE_PARM_DESC(monitor_layout, "Specify monitor mapping (like XFree86)");
|
|
|
|
module_param(force_measure_pll, bool, 0);
|
|
|
|
MODULE_PARM_DESC(force_measure_pll, "Force measurement of PLL (debug)");
|
|
|
|
#ifdef CONFIG_MTRR
|
|
|
|
module_param(nomtrr, bool, 0);
|
|
|
|
MODULE_PARM_DESC(nomtrr, "bool: disable use of MTRR registers");
|
|
|
|
#endif
|
|
|
|
module_param(panel_yres, int, 0);
|
|
|
|
MODULE_PARM_DESC(panel_yres, "int: set panel yres");
|
|
|
|
module_param(mode_option, charp, 0);
|
|
|
|
MODULE_PARM_DESC(mode_option, "Specify resolution as \"<xres>x<yres>[-<bpp>][@<refresh>]\" ");
|
2006-07-30 17:04:18 +07:00
|
|
|
#if defined(CONFIG_PM) && defined(CONFIG_X86)
|
|
|
|
module_param(force_sleep, bool, 0);
|
|
|
|
MODULE_PARM_DESC(force_sleep, "bool: force D2 sleep mode on all hardware");
|
|
|
|
module_param(ignore_devlist, bool, 0);
|
|
|
|
MODULE_PARM_DESC(ignore_devlist, "bool: ignore workarounds for bugs in specific laptops");
|
|
|
|
#endif
|