diff options
Diffstat (limited to 'drivers/video/fbdev/metronomefb.c')
| -rw-r--r-- | drivers/video/fbdev/metronomefb.c | 97 |
1 files changed, 20 insertions, 77 deletions
diff --git a/drivers/video/fbdev/metronomefb.c b/drivers/video/fbdev/metronomefb.c index 9fd4bb85d735..6f0942c6e5f1 100644 --- a/drivers/video/fbdev/metronomefb.c +++ b/drivers/video/fbdev/metronomefb.c @@ -37,7 +37,7 @@ #include <video/metronomefb.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> /* Display specific information */ #define DPY_W 832 @@ -181,7 +181,7 @@ static int load_waveform(u8 *mem, size_t size, int m, int t, int mem_idx = 0; struct waveform_hdr *wfm_hdr; u8 *metromem = par->metromem_wfm; - struct device *dev = par->info->dev; + struct device *dev = par->info->device; if (user_wfm_size) epd_frame_table[par->dt].wfm_size = user_wfm_size; @@ -438,7 +438,7 @@ static void metronomefb_dpy_update(struct metronomefb_par *par) { int fbsize; u16 cksum; - unsigned char *buf = (unsigned char __force *)par->info->screen_base; + unsigned char *buf = par->info->screen_buffer; fbsize = par->info->fix.smem_len; /* copy from vm to metromem */ @@ -453,7 +453,7 @@ static u16 metronomefb_dpy_update_page(struct metronomefb_par *par, int index) { int i; u16 csum = 0; - u16 *buf = (u16 __force *)(par->info->screen_base + index); + u16 *buf = (u16 *)(par->info->screen_buffer + index); u16 *img = (u16 *)(par->metromem_img + index); /* swizzle from vm to metromem and recalc cksum at the same time*/ @@ -483,86 +483,28 @@ static void metronomefb_dpy_deferred_io(struct fb_info *info, struct list_head * metronome_display_cmd(par); } -static void metronomefb_fillrect(struct fb_info *info, - const struct fb_fillrect *rect) +static void metronomefb_defio_damage_range(struct fb_info *info, off_t off, size_t len) { struct metronomefb_par *par = info->par; - sys_fillrect(info, rect); metronomefb_dpy_update(par); } -static void metronomefb_copyarea(struct fb_info *info, - const struct fb_copyarea *area) +static void metronomefb_defio_damage_area(struct fb_info *info, u32 x, u32 y, + u32 width, u32 height) { struct metronomefb_par *par = info->par; - sys_copyarea(info, area); metronomefb_dpy_update(par); } -static void metronomefb_imageblit(struct fb_info *info, - const struct fb_image *image) -{ - struct metronomefb_par *par = info->par; - - sys_imageblit(info, image); - metronomefb_dpy_update(par); -} - -/* - * this is the slow path from userspace. they can seek and write to - * the fb. it is based on fb_sys_write - */ -static ssize_t metronomefb_write(struct fb_info *info, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct metronomefb_par *par = info->par; - unsigned long p = *ppos; - void *dst; - int err = 0; - unsigned long total_size; - - if (info->state != FBINFO_STATE_RUNNING) - return -EPERM; - - total_size = info->fix.smem_len; - - if (p > total_size) - return -EFBIG; - - if (count > total_size) { - err = -EFBIG; - count = total_size; - } - - if (count + p > total_size) { - if (!err) - err = -ENOSPC; - - count = total_size - p; - } - - dst = (void __force *)(info->screen_base + p); - - if (copy_from_user(dst, buf, count)) - err = -EFAULT; - - if (!err) - *ppos += count; - - metronomefb_dpy_update(par); - - return (err) ? err : count; -} +FB_GEN_DEFAULT_DEFERRED_SYSMEM_OPS(metronomefb, + metronomefb_defio_damage_range, + metronomefb_defio_damage_area) static const struct fb_ops metronomefb_ops = { - .owner = THIS_MODULE, - .fb_write = metronomefb_write, - .fb_fillrect = metronomefb_fillrect, - .fb_copyarea = metronomefb_copyarea, - .fb_imageblit = metronomefb_imageblit, - .fb_mmap = fb_deferred_io_mmap, + .owner = THIS_MODULE, + FB_DEFAULT_DEFERRED_OPS(metronomefb), }; static struct fb_deferred_io metronomefb_defio = { @@ -599,7 +541,7 @@ static int metronomefb_probe(struct platform_device *dev) goto err; /* we have two blocks of memory. - info->screen_base which is vm, and is the fb used by apps. + info->screen_buffer which is vm, and is the fb used by apps. par->metromem which is physically contiguous memory and contains the display controller commands, waveform, processed image data and padding. this is the data pulled @@ -634,7 +576,7 @@ static int metronomefb_probe(struct platform_device *dev) if (!videomemory) goto err_fb_rel; - info->screen_base = (char __force __iomem *)videomemory; + info->screen_buffer = videomemory; info->fbops = &metronomefb_ops; metronomefb_fix.line_length = fw; @@ -700,7 +642,7 @@ static int metronomefb_probe(struct platform_device *dev) if (retval < 0) goto err_free_irq; - info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB; + info->flags = FBINFO_VIRTFB; info->fbdefio = &metronomefb_defio; fb_deferred_io_init(info); @@ -744,7 +686,7 @@ err: return retval; } -static int metronomefb_remove(struct platform_device *dev) +static void metronomefb_remove(struct platform_device *dev) { struct fb_info *info = platform_get_drvdata(dev); @@ -756,17 +698,16 @@ static int metronomefb_remove(struct platform_device *dev) fb_dealloc_cmap(&info->cmap); par->board->cleanup(par); vfree(par->csum_table); - vfree((void __force *)info->screen_base); + vfree(info->screen_buffer); module_put(par->board->owner); dev_dbg(&dev->dev, "calling release\n"); framebuffer_release(info); } - return 0; } static struct platform_driver metronomefb_driver = { .probe = metronomefb_probe, - .remove = metronomefb_remove, + .remove = metronomefb_remove, .driver = { .name = "metronomefb", }, @@ -779,3 +720,5 @@ MODULE_PARM_DESC(user_wfm_size, "Set custom waveform size"); MODULE_DESCRIPTION("fbdev driver for Metronome controller"); MODULE_AUTHOR("Jaya Kumar"); MODULE_LICENSE("GPL"); + +MODULE_FIRMWARE("metronome.wbf"); |
