X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fvideo%2Ffbsysfs.c;h=34e07399756b4ebd739792dff78abc1114dade2c;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=277d733c6d00a4150436c42b234aec4edc572b15;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c index 277d733c6..34e073997 100644 --- a/drivers/video/fbsysfs.c +++ b/drivers/video/fbsysfs.c @@ -43,10 +43,11 @@ struct fb_info *framebuffer_alloc(size_t size, struct device *dev) if (size) fb_info_size += PADDING; - p = kmalloc(fb_info_size + size, GFP_KERNEL); + p = kzalloc(fb_info_size + size, GFP_KERNEL); + if (!p) return NULL; - memset(p, 0, fb_info_size + size); + info = (struct fb_info *) p; if (size) @@ -106,8 +107,7 @@ static int mode_string(char *buf, unsigned int offset, static ssize_t store_mode(struct class_device *class_device, const char * buf, size_t count) { - struct fb_info *fb_info = - (struct fb_info *)class_get_devdata(class_device); + struct fb_info *fb_info = class_get_devdata(class_device); char mstr[100]; struct fb_var_screeninfo var; struct fb_modelist *modelist; @@ -137,8 +137,7 @@ static ssize_t store_mode(struct class_device *class_device, const char * buf, static ssize_t show_mode(struct class_device *class_device, char *buf) { - struct fb_info *fb_info = - (struct fb_info *)class_get_devdata(class_device); + struct fb_info *fb_info = class_get_devdata(class_device); if (!fb_info->mode) return 0; @@ -149,8 +148,7 @@ static ssize_t show_mode(struct class_device *class_device, char *buf) static ssize_t store_modes(struct class_device *class_device, const char * buf, size_t count) { - struct fb_info *fb_info = - (struct fb_info *)class_get_devdata(class_device); + struct fb_info *fb_info = class_get_devdata(class_device); LIST_HEAD(old_list); int i = count / sizeof(struct fb_videomode); @@ -174,8 +172,7 @@ static ssize_t store_modes(struct class_device *class_device, const char * buf, static ssize_t show_modes(struct class_device *class_device, char *buf) { - struct fb_info *fb_info = - (struct fb_info *)class_get_devdata(class_device); + struct fb_info *fb_info = class_get_devdata(class_device); unsigned int i; struct list_head *pos; struct fb_modelist *modelist; @@ -193,8 +190,7 @@ static ssize_t show_modes(struct class_device *class_device, char *buf) static ssize_t store_bpp(struct class_device *class_device, const char * buf, size_t count) { - struct fb_info *fb_info = - (struct fb_info *)class_get_devdata(class_device); + struct fb_info *fb_info = class_get_devdata(class_device); struct fb_var_screeninfo var; char ** last = NULL; int err; @@ -208,16 +204,78 @@ static ssize_t store_bpp(struct class_device *class_device, const char * buf, static ssize_t show_bpp(struct class_device *class_device, char *buf) { - struct fb_info *fb_info = - (struct fb_info *)class_get_devdata(class_device); + struct fb_info *fb_info = class_get_devdata(class_device); return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->var.bits_per_pixel); } +static ssize_t store_rotate(struct class_device *class_device, const char *buf, + size_t count) +{ + struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_var_screeninfo var; + char **last = NULL; + int err; + + var = fb_info->var; + var.rotate = simple_strtoul(buf, last, 0); + + if ((err = activate(fb_info, &var))) + return err; + + return count; +} + + +static ssize_t show_rotate(struct class_device *class_device, char *buf) +{ + struct fb_info *fb_info = class_get_devdata(class_device); + + return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->var.rotate); +} + +static ssize_t store_con_rotate(struct class_device *class_device, + const char *buf, size_t count) +{ + struct fb_info *fb_info = class_get_devdata(class_device); + int rotate; + char **last = NULL; + + acquire_console_sem(); + rotate = simple_strtoul(buf, last, 0); + fb_con_duit(fb_info, FB_EVENT_SET_CON_ROTATE, &rotate); + release_console_sem(); + return count; +} + +static ssize_t store_con_rotate_all(struct class_device *class_device, + const char *buf, size_t count) +{ + struct fb_info *fb_info = class_get_devdata(class_device); + int rotate; + char **last = NULL; + + acquire_console_sem(); + rotate = simple_strtoul(buf, last, 0); + fb_con_duit(fb_info, FB_EVENT_SET_CON_ROTATE_ALL, &rotate); + release_console_sem(); + return count; +} + +static ssize_t show_con_rotate(struct class_device *class_device, char *buf) +{ + struct fb_info *fb_info = class_get_devdata(class_device); + int rotate; + + acquire_console_sem(); + rotate = fb_con_duit(fb_info, FB_EVENT_GET_CON_ROTATE, NULL); + release_console_sem(); + return snprintf(buf, PAGE_SIZE, "%d\n", rotate); +} + static ssize_t store_virtual(struct class_device *class_device, const char * buf, size_t count) { - struct fb_info *fb_info = - (struct fb_info *)class_get_devdata(class_device); + struct fb_info *fb_info = class_get_devdata(class_device); struct fb_var_screeninfo var; char *last = NULL; int err; @@ -228,8 +286,6 @@ static ssize_t store_virtual(struct class_device *class_device, if (last - buf >= count) return -EINVAL; var.yres_virtual = simple_strtoul(last, &last, 0); - printk(KERN_ERR "fb: xres %d yres %d\n", var.xres_virtual, - var.yres_virtual); if ((err = activate(fb_info, &var))) return err; @@ -238,44 +294,21 @@ static ssize_t store_virtual(struct class_device *class_device, static ssize_t show_virtual(struct class_device *class_device, char *buf) { - struct fb_info *fb_info = - (struct fb_info *)class_get_devdata(class_device); + struct fb_info *fb_info = class_get_devdata(class_device); return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xres_virtual, fb_info->var.yres_virtual); } -static ssize_t store_cmap(struct class_device *class_device, const char * buf, - size_t count) -{ -// struct fb_info *fb_info = (struct fb_info *)class_get_devdata(class_device); - return 0; -} - -static ssize_t show_cmap(struct class_device *class_device, char *buf) +static ssize_t show_stride(struct class_device *class_device, char *buf) { - struct fb_info *fb_info = - (struct fb_info *)class_get_devdata(class_device); - unsigned int offset = 0, i; - - if (!fb_info->cmap.red || !fb_info->cmap.blue || - fb_info->cmap.green || fb_info->cmap.transp) - return -EINVAL; - - for (i = 0; i < fb_info->cmap.len; i++) { - offset += snprintf(buf, PAGE_SIZE - offset, - "%d,%d,%d,%d,%d\n", i + fb_info->cmap.start, - fb_info->cmap.red[i], fb_info->cmap.blue[i], - fb_info->cmap.green[i], - fb_info->cmap.transp[i]); - } - return offset; + struct fb_info *fb_info = class_get_devdata(class_device); + return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->fix.line_length); } static ssize_t store_blank(struct class_device *class_device, const char * buf, size_t count) { - struct fb_info *fb_info = - (struct fb_info *)class_get_devdata(class_device); + struct fb_info *fb_info = class_get_devdata(class_device); char *last = NULL; int err; @@ -291,41 +324,40 @@ static ssize_t store_blank(struct class_device *class_device, const char * buf, static ssize_t show_blank(struct class_device *class_device, char *buf) { -// struct fb_info *fb_info = (struct fb_info *)class_get_devdata(class_device); +// struct fb_info *fb_info = class_get_devdata(class_device); return 0; } static ssize_t store_console(struct class_device *class_device, const char * buf, size_t count) { -// struct fb_info *fb_info = (struct fb_info *)class_get_devdata(class_device); +// struct fb_info *fb_info = class_get_devdata(class_device); return 0; } static ssize_t show_console(struct class_device *class_device, char *buf) { -// struct fb_info *fb_info = (struct fb_info *)class_get_devdata(class_device); +// struct fb_info *fb_info = class_get_devdata(class_device); return 0; } static ssize_t store_cursor(struct class_device *class_device, const char * buf, size_t count) { -// struct fb_info *fb_info = (struct fb_info *)class_get_devdata(class_device); +// struct fb_info *fb_info = class_get_devdata(class_device); return 0; } static ssize_t show_cursor(struct class_device *class_device, char *buf) { -// struct fb_info *fb_info = (struct fb_info *)class_get_devdata(class_device); +// struct fb_info *fb_info = class_get_devdata(class_device); return 0; } static ssize_t store_pan(struct class_device *class_device, const char * buf, size_t count) { - struct fb_info *fb_info = - (struct fb_info *)class_get_devdata(class_device); + struct fb_info *fb_info = class_get_devdata(class_device); struct fb_var_screeninfo var; char *last = NULL; int err; @@ -348,22 +380,58 @@ static ssize_t store_pan(struct class_device *class_device, const char * buf, static ssize_t show_pan(struct class_device *class_device, char *buf) { - struct fb_info *fb_info = - (struct fb_info *)class_get_devdata(class_device); + struct fb_info *fb_info = class_get_devdata(class_device); return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xoffset, fb_info->var.xoffset); } +static ssize_t show_name(struct class_device *class_device, char *buf) +{ + struct fb_info *fb_info = class_get_devdata(class_device); + + return snprintf(buf, PAGE_SIZE, "%s\n", fb_info->fix.id); +} + +static ssize_t store_fbstate(struct class_device *class_device, + const char *buf, size_t count) +{ + struct fb_info *fb_info = class_get_devdata(class_device); + u32 state; + char *last = NULL; + + state = simple_strtoul(buf, &last, 0); + + acquire_console_sem(); + fb_set_suspend(fb_info, (int)state); + release_console_sem(); + + return count; +} + +static ssize_t show_fbstate(struct class_device *class_device, char *buf) +{ + struct fb_info *fb_info = class_get_devdata(class_device); + return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->state); +} + +/* When cmap is added back in it should be a binary attribute + * not a text one. Consideration should also be given to converting + * fbdev to use configfs instead of sysfs */ static struct class_device_attribute class_device_attrs[] = { __ATTR(bits_per_pixel, S_IRUGO|S_IWUSR, show_bpp, store_bpp), __ATTR(blank, S_IRUGO|S_IWUSR, show_blank, store_blank), - __ATTR(color_map, S_IRUGO|S_IWUSR, show_cmap, store_cmap), __ATTR(console, S_IRUGO|S_IWUSR, show_console, store_console), __ATTR(cursor, S_IRUGO|S_IWUSR, show_cursor, store_cursor), __ATTR(mode, S_IRUGO|S_IWUSR, show_mode, store_mode), __ATTR(modes, S_IRUGO|S_IWUSR, show_modes, store_modes), __ATTR(pan, S_IRUGO|S_IWUSR, show_pan, store_pan), __ATTR(virtual_size, S_IRUGO|S_IWUSR, show_virtual, store_virtual), + __ATTR(name, S_IRUGO, show_name, NULL), + __ATTR(stride, S_IRUGO, show_stride, NULL), + __ATTR(rotate, S_IRUGO|S_IWUSR, show_rotate, store_rotate), + __ATTR(con_rotate, S_IRUGO|S_IWUSR, show_con_rotate, store_con_rotate), + __ATTR(con_rotate_all, S_IWUSR, NULL, store_con_rotate_all), + __ATTR(state, S_IRUGO|S_IWUSR, show_fbstate, store_fbstate), }; int fb_init_class_device(struct fb_info *fb_info)