diff options
Diffstat (limited to 'drivers/video/skeletonfb.c')
| -rw-r--r-- | drivers/video/skeletonfb.c | 217 |
1 files changed, 146 insertions, 71 deletions
diff --git a/drivers/video/skeletonfb.c b/drivers/video/skeletonfb.c index bb96cb65fda..842b5cd054c 100644 --- a/drivers/video/skeletonfb.c +++ b/drivers/video/skeletonfb.c @@ -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. @@ -60,6 +61,11 @@ */ /* + * 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()). */ @@ -78,7 +84,7 @@ struct xxx_par; * if we don't use modedb. If we do use modedb see xxxfb_init how to use it * to get a fb_var_screeninfo. Otherwise define a default var as well. */ -static struct fb_fix_screeninfo xxxfb_fix __initdata = { +static struct fb_fix_screeninfo xxxfb_fix __devinitdata = { .id = "FB's name", .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_PSEUDOCOLOR, @@ -142,7 +148,7 @@ int xxxfb_setup(char*); * * Returns negative errno on error, or zero on success. */ -static int xxxfb_open(const struct fb_info *info, int user) +static int xxxfb_open(struct fb_info *info, int user) { return 0; } @@ -161,7 +167,7 @@ static int xxxfb_open(const struct fb_info *info, int user) * * Returns negative errno on error, or zero on success. */ -static int xxxfb_release(const struct fb_info *info, int user) +static int xxxfb_release(struct fb_info *info, int user) { return 0; } @@ -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 * @@ -623,19 +629,6 @@ void xxxfb_rotate(struct fb_info *info, int angle) } /** - * xxxfb_poll - NOT a required function. The purpose of this - * function is to provide a way for some process - * to wait until a specific hardware event occurs - * for the framebuffer device. - * - * @info: frame buffer structure that represents a single frame buffer - * @wait: poll table where we store process that await a event. - */ -void xxxfb_poll(struct fb_info *info, poll_table *wait) -{ -} - -/** * xxxfb_sync - NOT a required function. Normally the accel engine * for a graphics card take a specific amount of time. * Often we have to wait for the accelerator to finish @@ -647,21 +640,49 @@ 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_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, - const_struct pci_device_id *ent) +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; /* @@ -684,7 +705,7 @@ static int __init xxxfb_probe(struct pci_dev *dev, info->screen_base = framebuffer_virtual_memory; info->fbops = &xxxfb_ops; info->fix = xxxfb_fix; /* this will be the only time xxxfb_fix will be - * used, so mark it as __initdata + * used, so mark it as __devinitdata */ info->pseudo_palette = pseudo_palette; /* The pseudopalette is an * 16-member array @@ -760,7 +781,7 @@ 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 +791,13 @@ 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 @@ -811,34 +832,77 @@ 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); } +} + +#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, + PCI_CLASS_MASK, 0 }, + { 0, } +}; -#if CONFIG_PCI /* 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) +MODULE_DEVICE_TABLE(pci, xxxfb_id_table); + +int __init xxxfb_init(void) { /* * For kernel boot options (in 'video=xxxfb:<options>' format) @@ -858,16 +922,53 @@ 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: platform device + * + * See Documentation/power/devices.txt for more information + */ +static int xxxfb_resume(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 +1004,9 @@ static void __exit xxxfb_exit(void) platform_device_unregister(&xxxfb_device); driver_unregister(&xxxfb_driver); } -#endif +#endif /* CONFIG_PCI */ +#ifdef MODULE /* * Setup */ @@ -917,34 +1019,7 @@ 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 +1029,6 @@ static struct fb_ops xxxfb_ops = { */ module_init(xxxfb_init); -module_exit(xxxfb_cleanup); +module_exit(xxxfb_remove); MODULE_LICENSE("GPL"); |