forked from luck/tmp_suning_uos_patched
skeletonfb: various corrections
This is mainly correction of types, typos and missing characters in the skeletonfb.c file found while trying to prepare a new fb driver. [adaplas] Additions on power management and fixes as per akpm Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Krzysztof Helt
Linus Torvalds
parent
e296927bcc
commit
36cc535b85
@ -51,6 +51,7 @@
|
||||
#include <linux/delay.h>
|
||||
#include <linux/fb.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/pci.h>
|
||||
|
||||
/*
|
||||
* This is just simple sample code.
|
||||
@ -59,6 +60,11 @@
|
||||
* Even less warranty that it actually works :-)
|
||||
*/
|
||||
|
||||
/*
|
||||
* Driver data
|
||||
*/
|
||||
static char *mode_option __devinitdata;
|
||||
|
||||
/*
|
||||
* If your driver supports multiple boards, you should make the
|
||||
* below data types arrays, or allocate them dynamically (using kmalloc()).
|
||||
@ -278,7 +284,7 @@ static int xxxfb_set_par(struct fb_info *info)
|
||||
*/
|
||||
static int xxxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
|
||||
unsigned blue, unsigned transp,
|
||||
const struct fb_info *info)
|
||||
struct fb_info *info)
|
||||
{
|
||||
if (regno >= 256) /* no. of hw registers */
|
||||
return -EINVAL;
|
||||
@ -416,7 +422,7 @@ static int xxxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
|
||||
* Returns negative errno on error, or zero on success.
|
||||
*/
|
||||
static int xxxfb_pan_display(struct fb_var_screeninfo *var,
|
||||
const struct fb_info *info)
|
||||
struct fb_info *info)
|
||||
{
|
||||
/*
|
||||
* If your hardware does not support panning, _do_ _not_ implement this
|
||||
@ -454,7 +460,7 @@ static int xxxfb_pan_display(struct fb_var_screeninfo *var,
|
||||
* Return !0 for any modes that are unimplemented.
|
||||
*
|
||||
*/
|
||||
static int xxxfb_blank(int blank_mode, const struct fb_info *info)
|
||||
static int xxxfb_blank(int blank_mode, struct fb_info *info)
|
||||
{
|
||||
/* ... */
|
||||
return 0;
|
||||
@ -483,7 +489,7 @@ static int xxxfb_blank(int blank_mode, const struct fb_info *info)
|
||||
* depending on the rastering operation with the value of color which
|
||||
* is in the current color depth format.
|
||||
*/
|
||||
void xxfb_fillrect(struct fb_info *p, const struct fb_fillrect *region)
|
||||
void xxxfb_fillrect(struct fb_info *p, const struct fb_fillrect *region)
|
||||
{
|
||||
/* Meaning of struct fb_fillrect
|
||||
*
|
||||
@ -647,21 +653,50 @@ void xxxfb_poll(struct fb_info *info, poll_table *wait)
|
||||
* If the driver has implemented its own hardware-based drawing function,
|
||||
* implementing this function is highly recommended.
|
||||
*/
|
||||
void xxxfb_sync(struct fb_info *info)
|
||||
int xxxfb_sync(struct fb_info *info)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Frame buffer operations
|
||||
*/
|
||||
|
||||
static struct fb_ops xxxfb_ops = {
|
||||
.owner = THIS_MODULE,
|
||||
.fb_open = xxxfb_open,
|
||||
.fb_read = xxxfb_read,
|
||||
.fb_write = xxxfb_write,
|
||||
.fb_release = xxxfb_release,
|
||||
.fb_check_var = xxxfb_check_var,
|
||||
.fb_set_par = xxxfb_set_par,
|
||||
.fb_setcolreg = xxxfb_setcolreg,
|
||||
.fb_blank = xxxfb_blank,
|
||||
.fb_pan_display = xxxfb_pan_display,
|
||||
.fb_fillrect = xxxfb_fillrect, /* Needed !!! */
|
||||
.fb_copyarea = xxxfb_copyarea, /* Needed !!! */
|
||||
.fb_imageblit = xxxfb_imageblit, /* Needed !!! */
|
||||
.fb_cursor = xxxfb_cursor, /* Optional !!! */
|
||||
.fb_rotate = xxxfb_rotate,
|
||||
.fb_poll = xxxfb_poll,
|
||||
.fb_sync = xxxfb_sync,
|
||||
.fb_ioctl = xxxfb_ioctl,
|
||||
.fb_mmap = xxxfb_mmap,
|
||||
};
|
||||
|
||||
/* ------------------------------------------------------------------------- */
|
||||
|
||||
/*
|
||||
* Initialization
|
||||
*/
|
||||
|
||||
/* static int __init xxfb_probe (struct device *device) -- for platform devs */
|
||||
static int __init xxxfb_probe(struct pci_dev *dev,
|
||||
static int __devinit xxxfb_probe(struct pci_dev *dev,
|
||||
const_struct pci_device_id *ent)
|
||||
{
|
||||
struct fb_info *info;
|
||||
struct xxx_par *par;
|
||||
struct device = &dev->dev; /* for pci drivers */
|
||||
struct device* device = &dev->dev; /* for pci drivers */
|
||||
int cmap_len, retval;
|
||||
|
||||
/*
|
||||
@ -760,7 +795,7 @@ static int __init xxxfb_probe(struct pci_dev *dev,
|
||||
*
|
||||
* NOTE: This field is currently unused.
|
||||
*/
|
||||
info->pixmap.scan_align = 32
|
||||
info->pixmap.scan_align = 32;
|
||||
/***************************** End optional stage ***************************/
|
||||
|
||||
/*
|
||||
@ -770,13 +805,13 @@ static int __init xxxfb_probe(struct pci_dev *dev,
|
||||
if (!mode_option)
|
||||
mode_option = "640x480@60";
|
||||
|
||||
retval = fb_find_mode(info->var, info, mode_option, NULL, 0, NULL, 8);
|
||||
retval = fb_find_mode(&info->var, info, mode_option, NULL, 0, NULL, 8);
|
||||
|
||||
if (!retval || retval == 4)
|
||||
return -EINVAL;
|
||||
|
||||
/* This has to been done !!! */
|
||||
fb_alloc_cmap(info->cmap, cmap_len, 0);
|
||||
fb_alloc_cmap(&info->cmap, cmap_len, 0);
|
||||
|
||||
/*
|
||||
* The following is done in the case of having hardware with a static
|
||||
@ -811,15 +846,15 @@ static int __init xxxfb_probe(struct pci_dev *dev,
|
||||
/*
|
||||
* Cleanup
|
||||
*/
|
||||
/* static void __exit xxxfb_remove(struct device *device) */
|
||||
static void __exit xxxfb_remove(struct pci_dev *dev)
|
||||
/* static void __devexit xxxfb_remove(struct device *device) */
|
||||
static void __devexit xxxfb_remove(struct pci_dev *dev)
|
||||
{
|
||||
struct fb_info *info = pci_get_drv_data(dev);
|
||||
/* or dev_get_drv_data(device); */
|
||||
struct fb_info *info = pci_get_drvdata(dev);
|
||||
/* or dev_get_drvdata(device); */
|
||||
|
||||
if (info) {
|
||||
unregister_framebuffer(info);
|
||||
fb_dealloc_cmap(&info.cmap);
|
||||
fb_dealloc_cmap(&info->cmap);
|
||||
/* ... */
|
||||
framebuffer_release(info);
|
||||
}
|
||||
@ -827,18 +862,61 @@ static void __exit xxxfb_remove(struct pci_dev *dev)
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if CONFIG_PCI
|
||||
#ifdef CONFIG_PCI
|
||||
#ifdef CONFIG_PM
|
||||
/**
|
||||
* xxxfb_suspend - Optional but recommended function. Suspend the device.
|
||||
* @dev: PCI device
|
||||
* @msg: the suspend event code.
|
||||
*
|
||||
* See Documentation/power/devices.txt for more information
|
||||
*/
|
||||
static int xxxfb_suspend(struct pci_dev *dev, pm_message_t msg)
|
||||
{
|
||||
struct fb_info *info = pci_get_drvdata(dev);
|
||||
struct xxxfb_par *par = info->par;
|
||||
|
||||
/* suspend here */
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* xxxfb_resume - Optional but recommended function. Resume the device.
|
||||
* @dev: PCI device
|
||||
*
|
||||
* See Documentation/power/devices.txt for more information
|
||||
*/
|
||||
static int xxxfb_resume(struct pci_dev *dev)
|
||||
{
|
||||
struct fb_info *info = pci_get_drvdata(dev);
|
||||
struct xxxfb_par *par = info->par;
|
||||
|
||||
/* resume here */
|
||||
return 0;
|
||||
}
|
||||
#else
|
||||
#define xxxfb_suspend NULL
|
||||
#define xxxfb_resume NULL
|
||||
#endif /* CONFIG_PM */
|
||||
|
||||
static struct pci_device_id xxxfb_id_table[] = {
|
||||
{ PCI_VENDOR_ID_XXX, PCI_DEVICE_ID_XXX,
|
||||
PCI_ANY_ID, PCI_ANY_ID, PCI_BASE_CLASS_DISPLAY << 16,
|
||||
ADDR, 0 },
|
||||
{ 0, }
|
||||
};
|
||||
|
||||
/* For PCI drivers */
|
||||
static struct pci_driver xxxfb_driver = {
|
||||
.name = "xxxfb",
|
||||
.id_table = xxxfb_devices,
|
||||
.id_table = xxxfb_id_table,
|
||||
.probe = xxxfb_probe,
|
||||
.remove = __devexit_p(xxxfb_remove),
|
||||
.suspend = xxxfb_suspend, /* optional */
|
||||
.resume = xxxfb_resume, /* optional */
|
||||
.suspend = xxxfb_suspend, /* optional but recommended */
|
||||
.resume = xxxfb_resume, /* optional but recommended */
|
||||
};
|
||||
|
||||
static int __init xxxfb_init(void)
|
||||
int __init xxxfb_init(void)
|
||||
{
|
||||
/*
|
||||
* For kernel boot options (in 'video=xxxfb:<options>' format)
|
||||
@ -858,16 +936,53 @@ static void __exit xxxfb_exit(void)
|
||||
{
|
||||
pci_unregister_driver(&xxxfb_driver);
|
||||
}
|
||||
#else
|
||||
#else /* non PCI, platform drivers */
|
||||
#include <linux/platform_device.h>
|
||||
/* for platform devices */
|
||||
|
||||
#ifdef CONFIG_PM
|
||||
/**
|
||||
* xxxfb_suspend - Optional but recommended function. Suspend the device.
|
||||
* @dev: platform device
|
||||
* @msg: the suspend event code.
|
||||
*
|
||||
* See Documentation/power/devices.txt for more information
|
||||
*/
|
||||
static int xxxfb_suspend(struct platform_device *dev, pm_message_t msg)
|
||||
{
|
||||
struct fb_info *info = platform_get_drvdata(dev);
|
||||
struct xxxfb_par *par = info->par;
|
||||
|
||||
/* suspend here */
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* xxxfb_resume - Optional but recommended function. Resume the device.
|
||||
* @dev: PCI device
|
||||
*
|
||||
* See Documentation/power/devices.txt for more information
|
||||
*/
|
||||
static int xxxfb_suspend(struct platform_dev *dev)
|
||||
{
|
||||
struct fb_info *info = platform_get_drvdata(dev);
|
||||
struct xxxfb_par *par = info->par;
|
||||
|
||||
/* resume here */
|
||||
return 0;
|
||||
}
|
||||
#else
|
||||
#define xxxfb_suspend NULL
|
||||
#define xxxfb_resume NULL
|
||||
#endif /* CONFIG_PM */
|
||||
|
||||
static struct device_driver xxxfb_driver = {
|
||||
.name = "xxxfb",
|
||||
.bus = &platform_bus_type,
|
||||
.probe = xxxfb_probe,
|
||||
.remove = xxxfb_remove,
|
||||
.suspend = xxxfb_suspend, /* optional */
|
||||
.resume = xxxfb_resume, /* optional */
|
||||
.suspend = xxxfb_suspend, /* optional but recommended */
|
||||
.resume = xxxfb_resume, /* optional but recommended */
|
||||
};
|
||||
|
||||
static struct platform_device xxxfb_device = {
|
||||
@ -903,8 +1018,9 @@ static void __exit xxxfb_exit(void)
|
||||
platform_device_unregister(&xxxfb_device);
|
||||
driver_unregister(&xxxfb_driver);
|
||||
}
|
||||
#endif
|
||||
#endif /* CONFIG_PCI */
|
||||
|
||||
#ifdef MODULE
|
||||
/*
|
||||
* Setup
|
||||
*/
|
||||
@ -917,34 +1033,7 @@ int __init xxxfb_setup(char *options)
|
||||
{
|
||||
/* Parse user speficied options (`video=xxxfb:') */
|
||||
}
|
||||
|
||||
/* ------------------------------------------------------------------------- */
|
||||
|
||||
/*
|
||||
* Frame buffer operations
|
||||
*/
|
||||
|
||||
static struct fb_ops xxxfb_ops = {
|
||||
.owner = THIS_MODULE,
|
||||
.fb_open = xxxfb_open,
|
||||
.fb_read = xxxfb_read,
|
||||
.fb_write = xxxfb_write,
|
||||
.fb_release = xxxfb_release,
|
||||
.fb_check_var = xxxfb_check_var,
|
||||
.fb_set_par = xxxfb_set_par,
|
||||
.fb_setcolreg = xxxfb_setcolreg,
|
||||
.fb_blank = xxxfb_blank,
|
||||
.fb_pan_display = xxxfb_pan_display,
|
||||
.fb_fillrect = xxxfb_fillrect, /* Needed !!! */
|
||||
.fb_copyarea = xxxfb_copyarea, /* Needed !!! */
|
||||
.fb_imageblit = xxxfb_imageblit, /* Needed !!! */
|
||||
.fb_cursor = xxxfb_cursor, /* Optional !!! */
|
||||
.fb_rotate = xxxfb_rotate,
|
||||
.fb_poll = xxxfb_poll,
|
||||
.fb_sync = xxxfb_sync,
|
||||
.fb_ioctl = xxxfb_ioctl,
|
||||
.fb_mmap = xxxfb_mmap,
|
||||
};
|
||||
#endif /* MODULE *?
|
||||
|
||||
/* ------------------------------------------------------------------------- */
|
||||
|
||||
@ -954,6 +1043,6 @@ static struct fb_ops xxxfb_ops = {
|
||||
*/
|
||||
|
||||
module_init(xxxfb_init);
|
||||
module_exit(xxxfb_cleanup);
|
||||
module_exit(xxxfb_remove);
|
||||
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
Loading…
Reference in New Issue
Block a user