#include <asm/fb.h>
#include <asm/irq.h>
#include <asm/system.h>
-#ifdef CONFIG_ATARI
-#include <asm/atariints.h>
-#endif
-#ifdef CONFIG_MAC
-#include <asm/macints.h>
-#endif
-#if defined(__mc68000__)
-#include <asm/machdep.h>
-#include <asm/setup.h>
-#endif
#include "fbcon.h"
static int fbcon_is_default = 1;
static int fbcon_has_exited;
static int primary_device = -1;
+static int fbcon_has_console_bind;
#ifdef CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY
static int map_override;
#define CURSOR_DRAW_DELAY (1)
-/* # VBL ints between cursor state changes */
-#define ATARI_CURSOR_BLINK_RATE (42)
-#define MAC_CURSOR_BLINK_RATE (32)
-#define DEFAULT_CURSOR_BLINK_RATE (20)
-
static int vbl_cursor_cnt;
static int fbcon_cursor_noblink;
static void fbcon_exit(void);
static struct device *fbcon_device;
-#ifdef CONFIG_MAC
-/*
- * On the Macintoy, there may or may not be a working VBL int. We need to probe
- */
-static int vbl_detected;
-
-static irqreturn_t fb_vbl_detect(int irq, void *dummy)
-{
- vbl_detected++;
- return IRQ_HANDLED;
-}
-#endif
-
#ifdef CONFIG_FRAMEBUFFER_CONSOLE_ROTATION
static inline void fbcon_set_rotation(struct fb_info *info)
{
release_console_sem();
}
-#if defined(CONFIG_ATARI) || defined(CONFIG_MAC)
-static int cursor_blink_rate;
-static irqreturn_t fb_vbl_handler(int irq, void *dev_id)
-{
- struct fb_info *info = dev_id;
-
- if (vbl_cursor_cnt && --vbl_cursor_cnt == 0) {
- schedule_work(&info->queue);
- vbl_cursor_cnt = cursor_blink_rate;
- }
- return IRQ_HANDLED;
-}
-#endif
-
static void cursor_timer_handler(unsigned long dev_addr)
{
struct fb_info *info = (struct fb_info *) dev_addr;
con2fb_map[i] = -1;
}
info_idx = -1;
+ } else {
+ fbcon_has_console_bind = 1;
}
return err;
int oldidx, int found)
{
struct fbcon_ops *ops = oldinfo->fbcon_par;
- int err = 0;
+ int err = 0, ret;
if (oldinfo->fbops->fb_release &&
oldinfo->fbops->fb_release(oldinfo, 0)) {
newinfo in an undefined state. Thus, a call to
fb_set_par() may be needed for the newinfo.
*/
- if (newinfo->fbops->fb_set_par)
- newinfo->fbops->fb_set_par(newinfo);
+ if (newinfo->fbops->fb_set_par) {
+ ret = newinfo->fbops->fb_set_par(newinfo);
+
+ if (ret)
+ printk(KERN_ERR "con2fb_release_oldinfo: "
+ "detected unhandled fb_set_par error, "
+ "error code %d\n", ret);
+ }
}
return err;
int unit, int show_logo)
{
struct fbcon_ops *ops = info->fbcon_par;
+ int ret;
ops->currcon = fg_console;
- if (info->fbops->fb_set_par && !(ops->flags & FBCON_FLAGS_INIT))
- info->fbops->fb_set_par(info);
+ if (info->fbops->fb_set_par && !(ops->flags & FBCON_FLAGS_INIT)) {
+ ret = info->fbops->fb_set_par(info);
+
+ if (ret)
+ printk(KERN_ERR "con2fb_init_display: detected "
+ "unhandled fb_set_par error, "
+ "error code %d\n", ret);
+ }
ops->flags |= FBCON_FLAGS_INIT;
ops->graphics = 0;
struct fb_info *info = NULL;
struct fbcon_ops *ops;
int rows, cols;
- int irqres;
- irqres = 1;
/*
* If num_registered_fb is zero, this is a call for the dummy part.
* The frame buffer devices weren't initialized yet.
info->var.yres,
info->var.bits_per_pixel);
-#ifdef CONFIG_ATARI
- if (MACH_IS_ATARI) {
- cursor_blink_rate = ATARI_CURSOR_BLINK_RATE;
- irqres =
- request_irq(IRQ_AUTO_4, fb_vbl_handler,
- IRQ_TYPE_PRIO, "framebuffer vbl",
- info);
- }
-#endif /* CONFIG_ATARI */
-
-#ifdef CONFIG_MAC
- /*
- * On a Macintoy, the VBL interrupt may or may not be active.
- * As interrupt based cursor is more reliable and race free, we
- * probe for VBL interrupts.
- */
- if (MACH_IS_MAC) {
- int ct = 0;
- /*
- * Probe for VBL: set temp. handler ...
- */
- irqres = request_irq(IRQ_MAC_VBL, fb_vbl_detect, 0,
- "framebuffer vbl", info);
- vbl_detected = 0;
-
- /*
- * ... and spin for 20 ms ...
- */
- while (!vbl_detected && ++ct < 1000)
- udelay(20);
-
- if (ct == 1000)
- printk
- ("fbcon_startup: No VBL detected, using timer based cursor.\n");
-
- free_irq(IRQ_MAC_VBL, fb_vbl_detect);
-
- if (vbl_detected) {
- /*
- * interrupt based cursor ok
- */
- cursor_blink_rate = MAC_CURSOR_BLINK_RATE;
- irqres =
- request_irq(IRQ_MAC_VBL, fb_vbl_handler, 0,
- "framebuffer vbl", info);
- } else {
- /*
- * VBL not detected: fall through, use timer based cursor
- */
- irqres = 1;
- }
- }
-#endif /* CONFIG_MAC */
-
fbcon_add_cursor_timer(info);
fbcon_has_exited = 0;
return display_desc;
struct vc_data *svc = *default_mode;
struct display *t, *p = &fb_display[vc->vc_num];
int logo = 1, new_rows, new_cols, rows, cols, charcnt = 256;
- int cap;
+ int cap, ret;
if (info_idx == -1 || info == NULL)
return;
new_rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
new_cols /= vc->vc_font.width;
new_rows /= vc->vc_font.height;
- vc_resize(vc, new_cols, new_rows);
/*
* We must always set the mode. The mode of the previous console
*/
if (CON_IS_VISIBLE(vc) && vc->vc_mode == KD_TEXT) {
if (info->fbops->fb_set_par &&
- !(ops->flags & FBCON_FLAGS_INIT))
- info->fbops->fb_set_par(info);
+ !(ops->flags & FBCON_FLAGS_INIT)) {
+ ret = info->fbops->fb_set_par(info);
+
+ if (ret)
+ printk(KERN_ERR "fbcon_init: detected "
+ "unhandled fb_set_par error, "
+ "error code %d\n", ret);
+ }
+
ops->flags |= FBCON_FLAGS_INIT;
}
* vc_{cols,rows}, but we must not set those if we are only
* resizing the console.
*/
- if (!init) {
+ if (init) {
vc->vc_cols = new_cols;
vc->vc_rows = new_rows;
- }
+ } else
+ vc_resize(vc, new_cols, new_rows);
if (logo)
fbcon_prepare_logo(vc, info, cols, rows, new_cols, new_rows);
if (!height || !width)
return;
+ if (sy < vc->vc_top && vc->vc_top == logo_lines)
+ vc->vc_top = 0;
+
/* Split blits that cross physical y_wrap boundary */
y_break = p->vrows - p->yscroll;
struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
struct display *p = &fb_display[vc->vc_num];
int scroll_partial = info->flags & FBINFO_PARTIAL_PAN_OK;
- unsigned short saved_ec;
- int ret;
if (fbcon_is_inactive(vc, info))
return -EINVAL;
* whole screen (prevents flicker).
*/
- saved_ec = vc->vc_video_erase_char;
- vc->vc_video_erase_char = vc->vc_scrl_erase_char;
-
- ret = 0;
-
switch (dir) {
case SM_UP:
if (count > vc->vc_rows) /* Maximum realistic size */
scr_memsetw((unsigned short *) (vc->vc_origin +
vc->vc_size_row *
(b - count)),
- vc->vc_scrl_erase_char,
+ vc->vc_video_erase_char,
vc->vc_size_row * count);
- ret = 1;
+ return 1;
break;
case SCROLL_WRAP_MOVE:
scr_memsetw((unsigned short *) (vc->vc_origin +
vc->vc_size_row *
(b - count)),
- vc->vc_scrl_erase_char,
+ vc->vc_video_erase_char,
vc->vc_size_row * count);
- ret = 1;
- break;
+ return 1;
}
break;
scr_memsetw((unsigned short *) (vc->vc_origin +
vc->vc_size_row *
t),
- vc->vc_scrl_erase_char,
+ vc->vc_video_erase_char,
vc->vc_size_row * count);
- ret = 1;
+ return 1;
break;
case SCROLL_WRAP_MOVE:
scr_memsetw((unsigned short *) (vc->vc_origin +
vc->vc_size_row *
t),
- vc->vc_scrl_erase_char,
+ vc->vc_video_erase_char,
vc->vc_size_row * count);
- ret = 1;
- break;
+ return 1;
}
- break;
}
- vc->vc_video_erase_char = saved_ec;
- return ret;
+ return 0;
}
height, width);
}
-static __inline__ void updatescrollmode(struct display *p,
+static void updatescrollmode(struct display *p,
struct fb_info *info,
struct vc_data *vc)
{
struct fbcon_ops *ops;
struct display *p = &fb_display[vc->vc_num];
struct fb_var_screeninfo var;
- int i, prev_console, charcnt = 256;
+ int i, ret, prev_console, charcnt = 256;
info = registered_fb[con2fb_map[vc->vc_num]];
ops = info->fbcon_par;
if (old_info != NULL && (old_info != info ||
info->flags & FBINFO_MISC_ALWAYS_SETPAR)) {
- if (info->fbops->fb_set_par)
- info->fbops->fb_set_par(info);
+ if (info->fbops->fb_set_par) {
+ ret = info->fbops->fb_set_par(info);
+
+ if (ret)
+ printk(KERN_ERR "fbcon_switch: detected "
+ "unhandled fb_set_par error, "
+ "error code %d\n", ret);
+ }
if (old_info != info)
fbcon_del_cursor_timer(old_info);
}
+ if (!lock_fb_info(info))
+ return;
event.info = info;
event.data = ␣
fb_notifier_call_chain(FB_EVENT_CONBLANK, &event);
+ unlock_fb_info(info);
}
static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch)
ops->graphics = 1;
if (!blank) {
- if (info->fbops->fb_save_state)
- info->fbops->fb_save_state(info);
var.activate = FB_ACTIVATE_NOW | FB_ACTIVATE_FORCE;
fb_set_var(info, &var);
ops->graphics = 0;
ops->var = info->var;
- } else if (info->fbops->fb_restore_state)
- info->fbops->fb_restore_state(info);
+ }
}
if (!fbcon_is_inactive(vc, info)) {
fbcon_cursor(vc, blank ? CM_ERASE : CM_DRAW);
ops->cursor_flash = (!blank);
- if (fb_blank(info, blank))
- fbcon_generic_blank(vc, info, blank);
+ if (!(info->flags & FBINFO_MISC_USEREVENT))
+ if (fb_blank(info, blank))
+ fbcon_generic_blank(vc, info, blank);
}
if (!blank)
c = vc->vc_video_erase_char;
vc->vc_video_erase_char =
((c & 0xfe00) >> 1) | (c & 0xff);
- c = vc->vc_def_color;
- vc->vc_scrl_erase_char =
- ((c & 0xFE00) >> 1) | (c & 0xFF);
vc->vc_attr >>= 1;
}
} else if (!vc->vc_hi_font_mask && cnt == 512) {
if (vc->vc_can_do_color) {
vc->vc_video_erase_char =
((c & 0xff00) << 1) | (c & 0xff);
- c = vc->vc_def_color;
- vc->vc_scrl_erase_char =
- ((c & 0xFF00) << 1) | (c & 0xFF);
vc->vc_attr <<= 1;
- } else {
+ } else
vc->vc_video_erase_char = c & ~0x100;
- vc->vc_scrl_erase_char = c & ~0x100;
- }
}
}
p = &fb_display[vc->vc_num];
set_blitting_type(vc, info);
var_to_display(p, &info->var, info);
- cols = FBCON_SWAP(p->rotate, info->var.xres, info->var.yres);
- rows = FBCON_SWAP(p->rotate, info->var.yres, info->var.xres);
+ cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres);
+ rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
cols /= vc->vc_font.width;
rows /= vc->vc_font.height;
vc_resize(vc, cols, rows);
ret = unbind_con_driver(&fb_con, first_fb_vc, last_fb_vc,
fbcon_is_default);
+
+ if (!ret)
+ fbcon_has_console_bind = 0;
+
return ret;
}
#else
{
int i, new_idx = -1, ret = 0;
+ if (!fbcon_has_console_bind)
+ return 0;
+
for (i = first_fb_vc; i <= last_fb_vc; i++) {
if (con2fb_map[i] != idx &&
con2fb_map[i] != -1) {
static int fbcon_fb_unregistered(struct fb_info *info)
{
- int i, idx = info->node;
+ int i, idx;
+ idx = info->node;
for (i = first_fb_vc; i <= last_fb_vc; i++) {
if (con2fb_map[i] == idx)
con2fb_map[i] = -1;
}
}
- if (!num_registered_fb)
- unregister_con_driver(&fb_con);
-
-
if (primary_device == idx)
primary_device = -1;
+ if (!num_registered_fb)
+ unregister_con_driver(&fb_con);
+
return 0;
}
static int fbcon_fb_registered(struct fb_info *info)
{
- int ret = 0, i, idx = info->node;
+ int ret = 0, i, idx;
+ idx = info->node;
fbcon_select_primary(info);
if (info_idx == -1) {
}
}
-static int fbcon_event_notify(struct notifier_block *self,
+static int fbcon_event_notify(struct notifier_block *self,
unsigned long action, void *data)
{
struct fb_event *event = data;
struct fb_videomode *mode;
struct fb_con2fbmap *con2fb;
struct fb_blit_caps *caps;
- int ret = 0;
+ int idx, ret = 0;
/*
* ignore all events except driver registration and deregistration
ret = fbcon_mode_deleted(info, mode);
break;
case FB_EVENT_FB_UNBIND:
- ret = fbcon_fb_unbind(info->node);
+ idx = info->node;
+ ret = fbcon_fb_unbind(idx);
break;
case FB_EVENT_FB_REGISTERED:
ret = fbcon_fb_registered(info);
fbcon_get_requirement(info, caps);
break;
}
-
done:
return ret;
}
if (fbcon_has_exited)
return;
-#ifdef CONFIG_ATARI
- free_irq(IRQ_AUTO_4, fb_vbl_handler);
-#endif
-#ifdef CONFIG_MAC
- if (MACH_IS_MAC && vbl_detected)
- free_irq(IRQ_MAC_VBL, fb_vbl_handler);
-#endif
-
kfree((void *)softback_buf);
softback_buf = 0UL;
for (i = 0; i < FB_MAX; i++) {
+ int pending;
+
mapped = 0;
info = registered_fb[i];
if (info == NULL)
continue;
+ pending = cancel_work_sync(&info->queue);
+ DPRINTK("fbcon: %s pending work\n", (pending ? "canceled" :
+ "no"));
+
for (j = first_fb_vc; j <= last_fb_vc; j++) {
if (con2fb_map[j] == i)
mapped = 1;
acquire_console_sem();
fb_register_client(&fbcon_event_notifier);
- fbcon_device = device_create_drvdata(fb_class, NULL, MKDEV(0, 0),
- NULL, "fbcon");
+ fbcon_device = device_create(fb_class, NULL, MKDEV(0, 0), NULL,
+ "fbcon");
if (IS_ERR(fbcon_device)) {
printk(KERN_WARNING "Unable to create device "
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff