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authorDavid Vrabel <dvrabel@arcom.com>2005-09-09 13:04:32 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-09 13:57:59 -0700
commit53eed4ec8bcd8701b9135859ec46b10a0d88ba25 (patch)
tree50e3fddcc63d536be5babb6e91d54d5c3071c555
parent4c7ffe0b9f7f40bd818fe3af51342f64c483908e (diff)
downloadlinux-linaro-53eed4ec8bcd8701b9135859ec46b10a0d88ba25.tar.gz
[PATCH] fbdev: geode updates
Geode framebuffer driver updates: - Local mode list (taken from modedb.c) containing only relevant modes. This also makes the driver work as a module. - Make it a PCI driver (from James Simmons <jsimmons@infradead.org>). - A few other minor cosmetic bits and pieces. Signed-off-by: David Vrabel <dvrabel@arcom.com> Signed-off-by: James Simmons <jsimmons@infradead.org> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--drivers/video/geode/Kconfig10
-rw-r--r--drivers/video/geode/geodefb.h1
-rw-r--r--drivers/video/geode/gx1fb_core.c182
-rw-r--r--drivers/video/geode/video_cs5530.c4
4 files changed, 143 insertions, 54 deletions
diff --git a/drivers/video/geode/Kconfig b/drivers/video/geode/Kconfig
index b075fd02de3..5a9b89c3831 100644
--- a/drivers/video/geode/Kconfig
+++ b/drivers/video/geode/Kconfig
@@ -3,15 +3,13 @@
#
config FB_GEODE
bool "AMD Geode family framebuffer support (EXPERIMENTAL)"
- default n
- depends on FB && EXPERIMENTAL && X86
+ depends on FB && PCI && EXPERIMENTAL && X86
---help---
Say 'Y' here to allow you to select framebuffer drivers for
the AMD Geode family of processors.
config FB_GEODE_GX1
tristate "AMD Geode GX1 framebuffer support (EXPERIMENTAL)"
- default n
depends on FB_GEODE && EXPERIMENTAL
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
@@ -21,9 +19,7 @@ config FB_GEODE_GX1
Framebuffer driver for the display controller integrated into the
AMD Geode GX1 processor.
- This driver is also available as a module ( = code which can be
- inserted and removed from the running kernel whenever you want). The
- module will be called gx1fb. If you want to compile it as a module,
- say M here and read <file:Documentation/modules.txt>.
+ To compile this driver as a module, choose M here: the module will be
+ called gx1fb.
If unsure, say N.
diff --git a/drivers/video/geode/geodefb.h b/drivers/video/geode/geodefb.h
index b7bac0a526b..ae04820e0c5 100644
--- a/drivers/video/geode/geodefb.h
+++ b/drivers/video/geode/geodefb.h
@@ -29,7 +29,6 @@ struct geodefb_par {
int enable_crt;
int panel_x; /* dimensions of an attached flat panel, non-zero => enable panel */
int panel_y;
- struct pci_dev *vid_dev;
void __iomem *dc_regs;
void __iomem *vid_regs;
struct geode_dc_ops *dc_ops;
diff --git a/drivers/video/geode/gx1fb_core.c b/drivers/video/geode/gx1fb_core.c
index 83830d24bcd..74a5fca86b8 100644
--- a/drivers/video/geode/gx1fb_core.c
+++ b/drivers/video/geode/gx1fb_core.c
@@ -30,6 +30,62 @@ static char mode_option[32] = "640x480-16@60";
static int crt_option = 1;
static char panel_option[32] = "";
+/* Modes relevant to the GX1 (taken from modedb.c) */
+static const struct fb_videomode __initdata gx1_modedb[] = {
+ /* 640x480-60 VESA */
+ { NULL, 60, 640, 480, 39682, 48, 16, 33, 10, 96, 2,
+ 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
+ /* 640x480-75 VESA */
+ { NULL, 75, 640, 480, 31746, 120, 16, 16, 01, 64, 3,
+ 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
+ /* 640x480-85 VESA */
+ { NULL, 85, 640, 480, 27777, 80, 56, 25, 01, 56, 3,
+ 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
+ /* 800x600-60 VESA */
+ { NULL, 60, 800, 600, 25000, 88, 40, 23, 01, 128, 4,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
+ /* 800x600-75 VESA */
+ { NULL, 75, 800, 600, 20202, 160, 16, 21, 01, 80, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
+ /* 800x600-85 VESA */
+ { NULL, 85, 800, 600, 17761, 152, 32, 27, 01, 64, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
+ /* 1024x768-60 VESA */
+ { NULL, 60, 1024, 768, 15384, 160, 24, 29, 3, 136, 6,
+ 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
+ /* 1024x768-75 VESA */
+ { NULL, 75, 1024, 768, 12690, 176, 16, 28, 1, 96, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
+ /* 1024x768-85 VESA */
+ { NULL, 85, 1024, 768, 10582, 208, 48, 36, 1, 96, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
+ /* 1280x960-60 VESA */
+ { NULL, 60, 1280, 960, 9259, 312, 96, 36, 1, 112, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
+ /* 1280x960-85 VESA */
+ { NULL, 85, 1280, 960, 6734, 224, 64, 47, 1, 160, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
+ /* 1280x1024-60 VESA */
+ { NULL, 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
+ /* 1280x1024-75 VESA */
+ { NULL, 75, 1280, 1024, 7407, 248, 16, 38, 1, 144, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
+ /* 1280x1024-85 VESA */
+ { NULL, 85, 1280, 1024, 6349, 224, 64, 44, 1, 160, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
+};
+
static int gx1_line_delta(int xres, int bpp)
{
int line_delta = xres * (bpp >> 3);
@@ -47,8 +103,6 @@ static int gx1fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
struct geodefb_par *par = info->par;
- printk(KERN_DEBUG "%s()\n", __FUNCTION__);
-
/* Maximum resolution is 1280x1024. */
if (var->xres > 1280 || var->yres > 1024)
return -EINVAL;
@@ -146,40 +200,48 @@ static int gx1fb_blank(int blank_mode, struct fb_info *info)
return par->vid_ops->blank_display(info, blank_mode);
}
-static int __init gx1fb_map_video_memory(struct fb_info *info)
+static int __init gx1fb_map_video_memory(struct fb_info *info, struct pci_dev *dev)
{
struct geodefb_par *par = info->par;
unsigned gx_base;
int fb_len;
+ int ret;
gx_base = gx1_gx_base();
if (!gx_base)
return -ENODEV;
- par->vid_dev = pci_get_device(PCI_VENDOR_ID_CYRIX,
- PCI_DEVICE_ID_CYRIX_5530_VIDEO, NULL);
- if (!par->vid_dev)
- return -ENODEV;
+ ret = pci_enable_device(dev);
+ if (ret < 0)
+ return ret;
- par->vid_regs = ioremap(pci_resource_start(par->vid_dev, 1),
- pci_resource_len(par->vid_dev, 1));
+ ret = pci_request_region(dev, 1, "gx1fb (video)");
+ if (ret < 0)
+ return ret;
+ par->vid_regs = ioremap(pci_resource_start(dev, 1),
+ pci_resource_len(dev, 1));
if (!par->vid_regs)
return -ENOMEM;
+ if (!request_mem_region(gx_base + 0x8300, 0x100, "gx1fb (display controller)"))
+ return -EBUSY;
par->dc_regs = ioremap(gx_base + 0x8300, 0x100);
if (!par->dc_regs)
return -ENOMEM;
- info->fix.smem_start = gx_base + 0x800000;
+ ret = pci_request_region(dev, 0, "gx1fb (frame buffer)");
+ if (ret < 0 )
+ return -EBUSY;
if ((fb_len = gx1_frame_buffer_size()) < 0)
return -ENOMEM;
+ info->fix.smem_start = pci_resource_start(dev, 0);
info->fix.smem_len = fb_len;
info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len);
if (!info->screen_base)
return -ENOMEM;
- printk(KERN_INFO "%s: %d Kibyte of video memory at 0x%lx\n",
- info->fix.id, info->fix.smem_len / 1024, info->fix.smem_start);
+ dev_info(&dev->dev, "%d Kibyte of video memory at 0x%lx\n",
+ info->fix.smem_len / 1024, info->fix.smem_start);
return 0;
}
@@ -216,13 +278,13 @@ static struct fb_ops gx1fb_ops = {
.fb_cursor = soft_cursor,
};
-static struct fb_info * __init gx1fb_init_fbinfo(void)
+static struct fb_info * __init gx1fb_init_fbinfo(struct device *dev)
{
- struct fb_info *info;
struct geodefb_par *par;
+ struct fb_info *info;
/* Alloc enough space for the pseudo palette. */
- info = framebuffer_alloc(sizeof(struct geodefb_par) + sizeof(u32) * 16, NULL);
+ info = framebuffer_alloc(sizeof(struct geodefb_par) + sizeof(u32) * 16, dev);
if (!info)
return NULL;
@@ -255,47 +317,37 @@ static struct fb_info * __init gx1fb_init_fbinfo(void)
/* CRT and panel options */
par->enable_crt = crt_option;
if (parse_panel_option(info) < 0)
- printk(KERN_WARNING "%s: invalid 'panel' option -- disabling flat panel\n",
- info->fix.id);
+ printk(KERN_WARNING "gx1fb: invalid 'panel' option -- disabling flat panel\n");
if (!par->panel_x)
par->enable_crt = 1; /* fall back to CRT if no panel is specified */
return info;
}
-
-static struct fb_info *gx1fb_info;
-
-static int __init gx1fb_init(void)
+static int __init gx1fb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
+ struct geodefb_par *par;
struct fb_info *info;
- struct geodefb_par *par;
int ret;
-#ifndef MODULE
- if (fb_get_options("gx1fb", NULL))
- return -ENODEV;
-#endif
-
- info = gx1fb_init_fbinfo();
+ info = gx1fb_init_fbinfo(&pdev->dev);
if (!info)
return -ENOMEM;
- gx1fb_info = info;
-
par = info->par;
/* GX1 display controller and CS5530 video device */
par->dc_ops = &gx1_dc_ops;
par->vid_ops = &cs5530_vid_ops;
- if ((ret = gx1fb_map_video_memory(info)) < 0) {
- printk(KERN_ERR "%s: gx1fb_map_video_memory() failed\n", info->fix.id);
+ if ((ret = gx1fb_map_video_memory(info, pdev)) < 0) {
+ dev_err(&pdev->dev, "failed to map frame buffer or controller registers\n");
goto err;
}
- ret = fb_find_mode(&info->var, info, mode_option, NULL, 0, NULL, 16);
+ ret = fb_find_mode(&info->var, info, mode_option,
+ gx1_modedb, ARRAY_SIZE(gx1_modedb), NULL, 16);
if (ret == 0 || ret == 4) {
- printk(KERN_ERR "%s: could not find valid video mode\n", info->fix.id);
+ dev_err(&pdev->dev, "could not find valid video mode\n");
ret = -EINVAL;
goto err;
}
@@ -310,39 +362,83 @@ static int __init gx1fb_init(void)
ret = -EINVAL;
goto err;
}
+ pci_set_drvdata(pdev, info);
printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, info->fix.id);
return 0;
err:
- if (info->screen_base)
+ if (info->screen_base) {
iounmap(info->screen_base);
- if (par->vid_regs)
+ pci_release_region(pdev, 0);
+ }
+ if (par->vid_regs) {
iounmap(par->vid_regs);
- if (par->dc_regs)
+ pci_release_region(pdev, 1);
+ }
+ if (par->dc_regs) {
iounmap(par->dc_regs);
- if (par->vid_dev)
- pci_dev_put(par->vid_dev);
+ release_mem_region(gx1_gx_base() + 0x8300, 0x100);
+ }
+
+ pci_disable_device(pdev);
+
if (info)
framebuffer_release(info);
return ret;
}
-static void __exit gx1fb_cleanup(void)
+static void gx1fb_remove(struct pci_dev *pdev)
{
- struct fb_info *info = gx1fb_info;
- struct geodefb_par *par = gx1fb_info->par;
+ struct fb_info *info = pci_get_drvdata(pdev);
+ struct geodefb_par *par = info->par;
unregister_framebuffer(info);
iounmap((void __iomem *)info->screen_base);
+ pci_release_region(pdev, 0);
+
iounmap(par->vid_regs);
+ pci_release_region(pdev, 1);
+
iounmap(par->dc_regs);
+ release_mem_region(gx1_gx_base() + 0x8300, 0x100);
- pci_dev_put(par->vid_dev);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
framebuffer_release(info);
}
+static struct pci_device_id gx1fb_id_table[] = {
+ { PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_VIDEO,
+ PCI_ANY_ID, PCI_ANY_ID, PCI_BASE_CLASS_DISPLAY << 16,
+ 0xff0000, 0 },
+ { 0, }
+};
+
+MODULE_DEVICE_TABLE(pci, gx1fb_id_table);
+
+static struct pci_driver gx1fb_driver = {
+ .name = "gx1fb",
+ .id_table = gx1fb_id_table,
+ .probe = gx1fb_probe,
+ .remove = gx1fb_remove,
+};
+
+static int __init gx1fb_init(void)
+{
+#ifndef MODULE
+ if (fb_get_options("gx1fb", NULL))
+ return -ENODEV;
+#endif
+ return pci_register_driver(&gx1fb_driver);
+}
+
+static void __exit gx1fb_cleanup(void)
+{
+ pci_unregister_driver(&gx1fb_driver);
+}
+
module_init(gx1fb_init);
module_exit(gx1fb_cleanup);
diff --git a/drivers/video/geode/video_cs5530.c b/drivers/video/geode/video_cs5530.c
index d3764acf844..649c3943d43 100644
--- a/drivers/video/geode/video_cs5530.c
+++ b/drivers/video/geode/video_cs5530.c
@@ -69,8 +69,6 @@ static const struct cs5530_pll_entry cs5530_pll_table[] = {
{ 4310, 0x2FB1B802, }, /* 232.0000 */
};
-#define NUM_CS5530_FREQUENCIES sizeof(cs5530_pll_table)/sizeof(struct cs5530_pll_entry)
-
static void cs5530_set_dclk_frequency(struct fb_info *info)
{
struct geodefb_par *par = info->par;
@@ -82,7 +80,7 @@ static void cs5530_set_dclk_frequency(struct fb_info *info)
value = cs5530_pll_table[0].pll_value;
min = cs5530_pll_table[0].pixclock - info->var.pixclock;
if (min < 0) min = -min;
- for (i = 1; i < NUM_CS5530_FREQUENCIES; i++) {
+ for (i = 1; i < ARRAY_SIZE(cs5530_pll_table); i++) {
diff = cs5530_pll_table[i].pixclock - info->var.pixclock;
if (diff < 0L) diff = -diff;
if (diff < min) {