diff options
Diffstat (limited to 'drivers/video/fbdev/geode/gxfb_core.c')
| -rw-r--r-- | drivers/video/fbdev/geode/gxfb_core.c | 77 |
1 files changed, 37 insertions, 40 deletions
diff --git a/drivers/video/fbdev/geode/gxfb_core.c b/drivers/video/fbdev/geode/gxfb_core.c index f4f76373b2a8..8d69be7c9d31 100644 --- a/drivers/video/fbdev/geode/gxfb_core.c +++ b/drivers/video/fbdev/geode/gxfb_core.c @@ -1,14 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Geode GX framebuffer driver. * * Copyright (C) 2006 Arcom Control Systems Ltd. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * * This driver assumes that the BIOS has created a virtual PCI device header * for the video device. The PCI header is assumed to contain the following * BARs: @@ -20,6 +15,7 @@ * * 16 MiB of framebuffer memory is assumed to be available. */ +#include <linux/aperture.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> @@ -33,6 +29,9 @@ #include <linux/pci.h> #include <linux/cs5535.h> +#include <asm/msr.h> +#include <asm/olpc.h> + #include "gxfb.h" static char *mode_option; @@ -107,9 +106,6 @@ static struct fb_videomode gx_modedb[] = { FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, }; -#ifdef CONFIG_OLPC -#include <asm/olpc.h> - static struct fb_videomode gx_dcon_modedb[] = { /* The only mode the DCON has is 1200x900 */ { NULL, 50, 1200, 900, 17460, 24, 8, 4, 5, 8, 3, @@ -128,14 +124,6 @@ static void get_modedb(struct fb_videomode **modedb, unsigned int *size) } } -#else -static void get_modedb(struct fb_videomode **modedb, unsigned int *size) -{ - *modedb = (struct fb_videomode *) gx_modedb; - *size = ARRAY_SIZE(gx_modedb); -} -#endif - static int gxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { if (var->xres > 1600 || var->yres > 1200) @@ -279,16 +267,13 @@ static int gxfb_map_video_memory(struct fb_info *info, struct pci_dev *dev) return 0; } -static struct fb_ops gxfb_ops = { +static const struct fb_ops gxfb_ops = { .owner = THIS_MODULE, + FB_DEFAULT_IOMEM_OPS, .fb_check_var = gxfb_check_var, .fb_set_par = gxfb_set_par, .fb_setcolreg = gxfb_setcolreg, .fb_blank = gxfb_blank, - /* No HW acceleration for now. */ - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, }; static struct fb_info *gxfb_init_fbinfo(struct device *dev) @@ -321,7 +306,6 @@ static struct fb_info *gxfb_init_fbinfo(struct device *dev) info->var.vmode = FB_VMODE_NONINTERLACED; info->fbops = &gxfb_ops; - info->flags = FBINFO_DEFAULT; info->node = -1; info->pseudo_palette = (void *)par + sizeof(struct gxfb_par); @@ -336,17 +320,14 @@ static struct fb_info *gxfb_init_fbinfo(struct device *dev) return info; } -#ifdef CONFIG_PM -static int gxfb_suspend(struct pci_dev *pdev, pm_message_t state) +static int __maybe_unused gxfb_suspend(struct device *dev) { - struct fb_info *info = pci_get_drvdata(pdev); + struct fb_info *info = dev_get_drvdata(dev); - if (state.event == PM_EVENT_SUSPEND) { - console_lock(); - gx_powerdown(info); - fb_set_suspend(info, 1); - console_unlock(); - } + console_lock(); + gx_powerdown(info); + fb_set_suspend(info, 1); + console_unlock(); /* there's no point in setting PCI states; we emulate PCI, so * we don't end up getting power savings anyways */ @@ -354,9 +335,9 @@ static int gxfb_suspend(struct pci_dev *pdev, pm_message_t state) return 0; } -static int gxfb_resume(struct pci_dev *pdev) +static int __maybe_unused gxfb_resume(struct device *dev) { - struct fb_info *info = pci_get_drvdata(pdev); + struct fb_info *info = dev_get_drvdata(dev); int ret; console_lock(); @@ -370,7 +351,6 @@ static int gxfb_resume(struct pci_dev *pdev) console_unlock(); return 0; } -#endif static int gxfb_probe(struct pci_dev *pdev, const struct pci_device_id *id) { @@ -382,6 +362,10 @@ static int gxfb_probe(struct pci_dev *pdev, const struct pci_device_id *id) struct fb_videomode *modedb_ptr; unsigned int modedb_size; + ret = aperture_remove_conflicting_pci_devices(pdev, "gxfb"); + if (ret) + return ret; + info = gxfb_init_fbinfo(&pdev->dev); if (!info) return -ENOMEM; @@ -394,7 +378,7 @@ static int gxfb_probe(struct pci_dev *pdev, const struct pci_device_id *id) /* Figure out if this is a TFT or CRT part */ - rdmsrl(MSR_GX_GLD_MSR_CONFIG, val); + rdmsrq(MSR_GX_GLD_MSR_CONFIG, val); if ((val & MSR_GX_GLD_MSR_CONFIG_FP) == MSR_GX_GLD_MSR_CONFIG_FP) par->enable_crt = 0; @@ -481,15 +465,23 @@ static const struct pci_device_id gxfb_id_table[] = { MODULE_DEVICE_TABLE(pci, gxfb_id_table); +static const struct dev_pm_ops gxfb_pm_ops = { +#ifdef CONFIG_PM_SLEEP + .suspend = gxfb_suspend, + .resume = gxfb_resume, + .freeze = NULL, + .thaw = gxfb_resume, + .poweroff = NULL, + .restore = gxfb_resume, +#endif +}; + static struct pci_driver gxfb_driver = { .name = "gxfb", .id_table = gxfb_id_table, .probe = gxfb_probe, .remove = gxfb_remove, -#ifdef CONFIG_PM - .suspend = gxfb_suspend, - .resume = gxfb_resume, -#endif + .driver.pm = &gxfb_pm_ops, }; #ifndef MODULE @@ -516,7 +508,12 @@ static int __init gxfb_init(void) { #ifndef MODULE char *option = NULL; +#endif + if (fb_modesetting_disabled("gxfb")) + return -ENODEV; + +#ifndef MODULE if (fb_get_options("gxfb", &option)) return -ENODEV; |