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path: root/drivers/video/fbdev/matrox/matroxfb_base.c
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Diffstat (limited to 'drivers/video/fbdev/matrox/matroxfb_base.c')
-rw-r--r--drivers/video/fbdev/matrox/matroxfb_base.c82
1 files changed, 47 insertions, 35 deletions
diff --git a/drivers/video/fbdev/matrox/matroxfb_base.c b/drivers/video/fbdev/matrox/matroxfb_base.c
index f6a0b9af97a9..5be0cdcd7c71 100644
--- a/drivers/video/fbdev/matrox/matroxfb_base.c
+++ b/drivers/video/fbdev/matrox/matroxfb_base.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
*
* Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
@@ -99,6 +100,8 @@
*
*/
+#include <linux/aperture.h>
+#include <linux/export.h>
#include <linux/version.h>
#include "matroxfb_base.h"
@@ -111,12 +114,12 @@
#include "matroxfb_g450.h"
#include <linux/matroxfb.h>
#include <linux/interrupt.h>
+#include <linux/nvram.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
#ifdef CONFIG_PPC_PMAC
#include <asm/machdep.h>
-unsigned char nvram_read_byte(int);
static int default_vmode = VMODE_NVRAM;
static int default_cmode = CMODE_NVRAM;
#endif
@@ -1198,10 +1201,11 @@ static int matroxfb_blank(int blank, struct fb_info *info)
return 0;
}
-static struct fb_ops matroxfb_ops = {
+static const struct fb_ops matroxfb_ops = {
.owner = THIS_MODULE,
.fb_open = matroxfb_open,
.fb_release = matroxfb_release,
+ __FB_DEFAULT_IOMEM_OPS_RDWR,
.fb_check_var = matroxfb_check_var,
.fb_set_par = matroxfb_set_par,
.fb_setcolreg = matroxfb_setcolreg,
@@ -1212,6 +1216,7 @@ static struct fb_ops matroxfb_ops = {
/* .fb_copyarea = <set by matrox_cfbX_init>, */
/* .fb_imageblit = <set by matrox_cfbX_init>, */
/* .fb_cursor = <set by matrox_cfbX_init>, */
+ __FB_DEFAULT_IOMEM_OPS_MMAP,
};
#define RSDepth(X) (((X) >> 8) & 0x0F)
@@ -1375,6 +1380,12 @@ static struct video_board vbG200 = {
.accelID = FB_ACCEL_MATROX_MGAG200,
.lowlevel = &matrox_G100
};
+static struct video_board vbG200eW = {
+ .maxvram = 0x1000000,
+ .maxdisplayable = 0x0800000,
+ .accelID = FB_ACCEL_MATROX_MGAG200,
+ .lowlevel = &matrox_G100
+};
/* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
whole 32MB */
static struct video_board vbG400 = {
@@ -1493,6 +1504,13 @@ static struct board {
MGA_G200,
&vbG200,
"MGA-G200 (PCI)"},
+ {PCI_VENDOR_ID_MATROX, 0x0532, 0xFF,
+ 0, 0,
+ DEVF_G200,
+ 250000,
+ MGA_G200,
+ &vbG200eW,
+ "MGA-G200eW (PCI)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_GENERIC,
DEVF_G200,
@@ -1573,14 +1591,14 @@ static struct board {
NULL}};
#ifndef MODULE
-static struct fb_videomode defaultmode = {
+static const struct fb_videomode defaultmode = {
/* 640x480 @ 60Hz, 31.5 kHz */
NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
0, FB_VMODE_NONINTERLACED
};
-#endif /* !MODULE */
static int hotplug = 0;
+#endif /* !MODULE */
static void setDefaultOutputs(struct matrox_fb_info *minfo)
{
@@ -1623,7 +1641,7 @@ static int initMatrox2(struct matrox_fb_info *minfo, struct board *b)
unsigned int memsize;
int err;
- static struct pci_device_id intel_82437[] = {
+ static const struct pci_device_id intel_82437[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) },
{ },
};
@@ -1709,7 +1727,7 @@ static int initMatrox2(struct matrox_fb_info *minfo, struct board *b)
memsize = mem;
err = -ENOMEM;
- minfo->mmio.vbase.vaddr = ioremap_nocache(ctrlptr_phys, 16384);
+ minfo->mmio.vbase.vaddr = ioremap(ctrlptr_phys, 16384);
if (!minfo->mmio.vbase.vaddr) {
printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
goto failVideoMR;
@@ -1794,9 +1812,7 @@ static int initMatrox2(struct matrox_fb_info *minfo, struct board *b)
minfo->fbops = matroxfb_ops;
minfo->fbcon.fbops = &minfo->fbops;
minfo->fbcon.pseudo_palette = minfo->cmap;
- /* after __init time we are like module... no logo */
- minfo->fbcon.flags = hotplug ? FBINFO_FLAG_MODULE : FBINFO_FLAG_DEFAULT;
- minfo->fbcon.flags |= FBINFO_PARTIAL_PAN_OK | /* Prefer panning for scroll under MC viewer/edit */
+ minfo->fbcon.flags = FBINFO_PARTIAL_PAN_OK | /* Prefer panning for scroll under MC viewer/edit */
FBINFO_HWACCEL_COPYAREA | /* We have hw-assisted bmove */
FBINFO_HWACCEL_FILLRECT | /* And fillrect */
FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */
@@ -1874,10 +1890,11 @@ static int initMatrox2(struct matrox_fb_info *minfo, struct board *b)
#ifndef MODULE
if (machine_is(powermac)) {
struct fb_var_screeninfo var;
+
if (default_vmode <= 0 || default_vmode > VMODE_MAX)
default_vmode = VMODE_640_480_60;
-#ifdef CONFIG_NVRAM
- if (default_cmode == CMODE_NVRAM)
+#if defined(CONFIG_PPC32)
+ if (IS_REACHABLE(CONFIG_NVRAM) && default_cmode == CMODE_NVRAM)
default_cmode = nvram_read_byte(NV_CMODE);
#endif
if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
@@ -1957,9 +1974,7 @@ int matroxfb_register_driver(struct matroxfb_driver* drv) {
struct matrox_fb_info* minfo;
list_add(&drv->node, &matroxfb_driver_list);
- for (minfo = matroxfb_l(matroxfb_list.next);
- minfo != matroxfb_l(&matroxfb_list);
- minfo = matroxfb_l(minfo->next_fb.next)) {
+ list_for_each_entry(minfo, &matroxfb_list, next_fb) {
void* p;
if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
@@ -1977,9 +1992,7 @@ void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
struct matrox_fb_info* minfo;
list_del(&drv->node);
- for (minfo = matroxfb_l(matroxfb_list.next);
- minfo != matroxfb_l(&matroxfb_list);
- minfo = matroxfb_l(minfo->next_fb.next)) {
+ list_for_each_entry(minfo, &matroxfb_list, next_fb) {
int i;
for (i = 0; i < minfo->drivers_count; ) {
@@ -2035,6 +2048,10 @@ static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dumm
u_int32_t cmd;
DBG(__func__)
+ err = aperture_remove_conflicting_pci_devices(pdev, "matroxfb");
+ if (err)
+ return err;
+
svid = pdev->subsystem_vendor;
sid = pdev->subsystem_device;
for (b = dev_list; b->vendor; b++) {
@@ -2058,7 +2075,7 @@ static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dumm
minfo = kzalloc(sizeof(*minfo), GFP_KERNEL);
if (!minfo)
- return -1;
+ return -ENOMEM;
minfo->pcidev = pdev;
minfo->dead = 0;
@@ -2116,7 +2133,7 @@ static void pci_remove_matrox(struct pci_dev* pdev) {
matroxfb_remove(minfo, 1);
}
-static struct pci_device_id matroxfb_devices[] = {
+static const struct pci_device_id matroxfb_devices[] = {
#ifdef CONFIG_FB_MATROX_MILLENIUM
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
@@ -2136,6 +2153,8 @@ static struct pci_device_id matroxfb_devices[] = {
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_PCI,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ {PCI_VENDOR_ID_MATROX, 0x0532,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400,
@@ -2298,6 +2317,9 @@ static void __init matroxfb_init_params(void) {
static int __init matrox_init(void) {
int err;
+ if (fb_modesetting_disabled("matroxfb"))
+ return -ENODEV;
+
matroxfb_init_params();
err = pci_register_driver(&matroxfb_driver);
dev = -1; /* accept all new devices... */
@@ -2372,9 +2394,9 @@ static int __init matroxfb_setup(char *options) {
else if (!strncmp(this_opt, "mem:", 4))
mem = simple_strtoul(this_opt+4, NULL, 0);
else if (!strncmp(this_opt, "mode:", 5))
- strlcpy(videomode, this_opt+5, sizeof(videomode));
+ strscpy(videomode, this_opt + 5, sizeof(videomode));
else if (!strncmp(this_opt, "outputs:", 8))
- strlcpy(outputs, this_opt+8, sizeof(outputs));
+ strscpy(outputs, this_opt + 8, sizeof(outputs));
else if (!strncmp(this_opt, "dfp:", 4)) {
dfp_type = simple_strtoul(this_opt+4, NULL, 0);
dfp = 1;
@@ -2444,7 +2466,7 @@ static int __init matroxfb_setup(char *options) {
else if (!strcmp(this_opt, "dfp"))
dfp = value;
else {
- strlcpy(videomode, this_opt, sizeof(videomode));
+ strscpy(videomode, this_opt, sizeof(videomode));
}
}
}
@@ -2475,8 +2497,6 @@ static int __init matroxfb_init(void)
return err;
}
-module_init(matroxfb_init);
-
#else
/* *************************** init module code **************************** */
@@ -2502,7 +2522,7 @@ MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not ch
module_param(noinit, int, 0);
MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)");
module_param(memtype, int, 0);
-MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.txt for explanation) (default=3 for G200, 0 for G400)");
+MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.rst for explanation) (default=3 for G200, 0 for G400)");
module_param(mtrr, int, 0);
MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)");
module_param(sgram, int, 0);
@@ -2561,7 +2581,7 @@ module_param_named(cmode, default_cmode, int, 0);
MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)");
#endif
-int __init init_module(void){
+static int __init matroxfb_init(void){
DBG(__func__)
@@ -2592,17 +2612,9 @@ int __init init_module(void){
}
#endif /* MODULE */
+module_init(matroxfb_init);
module_exit(matrox_done);
EXPORT_SYMBOL(matroxfb_register_driver);
EXPORT_SYMBOL(matroxfb_unregister_driver);
EXPORT_SYMBOL(matroxfb_wait_for_sync);
EXPORT_SYMBOL(matroxfb_enable_irq);
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
-
generated by cgit (git 2.34.1) at 2025-12-28 02:33:00 +0000