Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755195Ab1BMWLp (ORCPT ); Sun, 13 Feb 2011 17:11:45 -0500 Received: from filtteri5.pp.htv.fi ([213.243.153.188]:46659 "EHLO filtteri5.pp.htv.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755103Ab1BMWLS (ORCPT ); Sun, 13 Feb 2011 17:11:18 -0500 From: Aaro Koskinen To: linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Thomas Winischhofer Subject: [PATCH 3/6] sisfb: add subroutine for detecting XGI Z9 Date: Mon, 14 Feb 2011 00:11:25 +0200 Message-Id: <1297635088-13224-4-git-send-email-aaro.koskinen@iki.fi> X-Mailer: git-send-email 1.5.6.5 In-Reply-To: <1297635088-13224-1-git-send-email-aaro.koskinen@iki.fi> References: <1297635088-13224-1-git-send-email-aaro.koskinen@iki.fi> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2745 Lines: 86 Z7 and Z9 have the same PCI ID, so additional checking is needed to detect Z9. The method was "documented" in XGI's xgifb driver. Signed-off-by: Aaro Koskinen Cc: Thomas Winischhofer --- drivers/video/sis/sis.h | 1 + drivers/video/sis/sis_main.c | 18 ++++++++++++++++++ drivers/video/sis/vgatypes.h | 1 + 3 files changed, 20 insertions(+), 0 deletions(-) diff --git a/drivers/video/sis/sis.h b/drivers/video/sis/sis.h index eac7a01..1987f1b 100644 --- a/drivers/video/sis/sis.h +++ b/drivers/video/sis/sis.h @@ -495,6 +495,7 @@ struct sis_video_info { unsigned int refresh_rate; unsigned int chip; + unsigned int chip_real_id; u8 revision_id; int sisvga_enabled; /* PCI device was enabled */ diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c index 364559b..f0c48e8 100644 --- a/drivers/video/sis/sis_main.c +++ b/drivers/video/sis/sis_main.c @@ -4563,6 +4563,11 @@ sisfb_post_sis315330(struct pci_dev *pdev) } #endif +static inline int sisfb_xgi_is21(struct sis_video_info *ivideo) +{ + return ivideo->chip_real_id == XGI_21; +} + static void __devinit sisfb_post_xgi_delay(struct sis_video_info *ivideo, int delay) { @@ -5802,6 +5807,7 @@ sisfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) #endif ivideo->chip = chipinfo->chip; + ivideo->chip_real_id = chipinfo->chip; ivideo->sisvga_engine = chipinfo->vgaengine; ivideo->hwcursor_size = chipinfo->hwcursor_size; ivideo->CRT2_write_enable = chipinfo->CRT2_write_enable; @@ -6035,6 +6041,18 @@ sisfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) sisfb_detect_custom_timing(ivideo); } +#ifdef CONFIG_FB_SIS_315 + if (ivideo->chip == XGI_20) { + /* Check if our Z7 chip is actually Z9 */ + SiS_SetRegOR(SISCR, 0x4a, 0x40); /* GPIOG EN */ + reg = SiS_GetReg(SISCR, 0x48); + if (reg & 0x02) { /* GPIOG */ + ivideo->chip_real_id = XGI_21; + dev_info(&pdev->dev, "Z9 detected\n"); + } + } +#endif + /* POST card in case this has not been done by the BIOS */ if( (!ivideo->sisvga_enabled) #if !defined(__i386__) && !defined(__x86_64__) diff --git a/drivers/video/sis/vgatypes.h b/drivers/video/sis/vgatypes.h index 12c0dfa..e3f9976 100644 --- a/drivers/video/sis/vgatypes.h +++ b/drivers/video/sis/vgatypes.h @@ -87,6 +87,7 @@ typedef enum _SIS_CHIP_TYPE { SIS_341, SIS_342, XGI_20 = 75, + XGI_21, XGI_40, MAX_SIS_CHIP } SIS_CHIP_TYPE; -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/