* from Florian Echtler, Henrik Bjerregaard Pedersen, and others.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
#include <linux/delay.h>
-
-#include "udlfb.h"
+#include <video/udlfb.h>
+#include "edid.h"
static struct fb_fix_screeninfo dlfb_fix = {
.id = "udlfb",
};
static const u32 udlfb_info_flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
-#ifdef FBINFO_VIRTFB
FBINFO_VIRTFB |
-#endif
FBINFO_HWACCEL_IMAGEBLIT | FBINFO_HWACCEL_FILLRECT |
FBINFO_HWACCEL_COPYAREA | FBINFO_MISC_ALWAYS_SETPAR;
pos = (unsigned long)info->fix.smem_start + offset;
- dl_notice("mmap() framebuffer addr:%lu size:%lu\n",
+ pr_notice("mmap() framebuffer addr:%lu size:%lu\n",
pos, size);
while (size > 0) {
return 0;
}
-static ssize_t dlfb_ops_read(struct fb_info *info, char __user *buf,
- size_t count, loff_t *ppos)
-{
- ssize_t result = -ENOSYS;
-
-#if defined CONFIG_FB_SYS_FOPS || defined CONFIG_FB_SYS_FOPS_MODULE
- result = fb_sys_read(info, buf, count, ppos);
-#endif
-
- return result;
-}
-
/*
* Path triggered by usermode clients who write to filesystem
* e.g. cat filename > /dev/fb1
static ssize_t dlfb_ops_write(struct fb_info *info, const char __user *buf,
size_t count, loff_t *ppos)
{
- ssize_t result = -ENOSYS;
+ ssize_t result;
struct dlfb_data *dev = info->par;
u32 offset = (u32) *ppos;
-#if defined CONFIG_FB_SYS_FOPS || defined CONFIG_FB_SYS_FOPS_MODULE
-
result = fb_sys_write(info, buf, count, ppos);
if (result > 0) {
dlfb_handle_damage(dev, 0, start, info->var.xres,
lines, info->screen_base);
}
-#endif
return result;
}
struct dlfb_data *dev = info->par;
-#if defined CONFIG_FB_SYS_COPYAREA || defined CONFIG_FB_SYS_COPYAREA_MODULE
-
sys_copyarea(info, area);
dlfb_handle_damage(dev, area->dx, area->dy,
area->width, area->height, info->screen_base);
-#endif
-
}
static void dlfb_ops_imageblit(struct fb_info *info,
{
struct dlfb_data *dev = info->par;
-#if defined CONFIG_FB_SYS_IMAGEBLIT || defined CONFIG_FB_SYS_IMAGEBLIT_MODULE
-
sys_imageblit(info, image);
dlfb_handle_damage(dev, image->dx, image->dy,
image->width, image->height, info->screen_base);
-
-#endif
-
}
static void dlfb_ops_fillrect(struct fb_info *info,
{
struct dlfb_data *dev = info->par;
-#if defined CONFIG_FB_SYS_FILLRECT || defined CONFIG_FB_SYS_FILLRECT_MODULE
-
sys_fillrect(info, rect);
dlfb_handle_damage(dev, rect->dx, rect->dy, rect->width,
rect->height, info->screen_base);
-#endif
-
}
-#ifdef CONFIG_FB_DEFERRED_IO
/*
* NOTE: fb_defio.c is holding info->fbdefio.mutex
* Touching ANY framebuffer memory that triggers a page fault
&dev->cpu_kcycles_used);
}
-#endif
-
static int dlfb_get_edid(struct dlfb_data *dev, char *edid, int len)
{
int i;
(0x80 | (0x02 << 5)), i << 8, 0xA1, rbuf, 2,
HZ);
if (ret < 1) {
- dl_err("Read EDID byte %d failed err %x\n", i, ret);
+ pr_err("Read EDID byte %d failed err %x\n", i, ret);
i--;
break;
}
kref_get(&dev->kref);
-#ifdef CONFIG_FB_DEFERRED_IO
if (fb_defio && (info->fbdefio == NULL)) {
/* enable defio at last moment if not disabled by client */
info->fbdefio = fbdefio;
fb_deferred_io_init(info);
}
-#endif
- dl_notice("open /dev/fb%d user=%d fb_info=%p count=%d\n",
+ pr_notice("open /dev/fb%d user=%d fb_info=%p count=%d\n",
info->node, user, info, dev->fb_count);
return 0;
kfree(dev->edid);
- dl_warn("freeing dlfb_data %p\n", dev);
+ pr_warn("freeing dlfb_data %p\n", dev);
kfree(dev);
}
/* Assume info structure is freed after this point */
framebuffer_release(info);
- dl_warn("fb_info for /dev/fb%d has been freed\n", node);
+ pr_warn("fb_info for /dev/fb%d has been freed\n", node);
/* ref taken in probe() as part of registering framebfufer */
kref_put(&dev->kref, dlfb_free);
if (dev->virtualized && (dev->fb_count == 0))
schedule_delayed_work(&dev->free_framebuffer_work, HZ);
-#ifdef CONFIG_FB_DEFERRED_IO
if ((dev->fb_count == 0) && (info->fbdefio)) {
fb_deferred_io_cleanup(info);
kfree(info->fbdefio);
info->fbdefio = NULL;
info->fbops->fb_mmap = dlfb_ops_mmap;
}
-#endif
- dl_warn("released /dev/fb%d user=%d count=%d\n",
+ pr_warn("released /dev/fb%d user=%d count=%d\n",
info->node, user, dev->fb_count);
kref_put(&dev->kref, dlfb_free);
struct dlfb_data *dev = info->par;
if (mode->xres * mode->yres > dev->sku_pixel_limit) {
- dl_warn("%dx%d beyond chip capabilities\n",
+ pr_warn("%dx%d beyond chip capabilities\n",
mode->xres, mode->yres);
return 0;
}
- dl_info("%dx%d valid mode\n", mode->xres, mode->yres);
+ pr_info("%dx%d valid mode\n", mode->xres, mode->yres);
return 1;
}
u16 *pix_framebuffer;
int i;
- dl_notice("set_par mode %dx%d\n", info->var.xres, info->var.yres);
+ pr_notice("set_par mode %dx%d\n", info->var.xres, info->var.yres);
result = dlfb_set_video_mode(dev, &info->var);
static struct fb_ops dlfb_ops = {
.owner = THIS_MODULE,
- .fb_read = dlfb_ops_read,
+ .fb_read = fb_sys_read,
.fb_write = dlfb_ops_write,
.fb_setcolreg = dlfb_ops_setcolreg,
.fb_fillrect = dlfb_ops_fillrect,
unsigned char *new_fb;
unsigned char *new_back;
- dl_warn("Reallocating framebuffer. Addresses will change!\n");
+ pr_warn("Reallocating framebuffer. Addresses will change!\n");
new_len = info->fix.line_length * info->var.yres;
*/
new_fb = vmalloc(new_len);
if (!new_fb) {
- dl_err("Virtual framebuffer alloc failed\n");
+ pr_err("Virtual framebuffer alloc failed\n");
goto error;
}
*/
new_back = vmalloc(new_len);
if (!new_back)
- dl_info("No shadow/backing buffer allcoated\n");
+ pr_info("No shadow/backing buffer allcoated\n");
else {
if (dev->backing_buffer)
vfree(dev->backing_buffer);
if (info->dev) /* only use mutex if info has been registered */
mutex_lock(&info->lock);
- edid = kmalloc(MAX_EDID_SIZE, GFP_KERNEL);
+ edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
if (!edid) {
result = -ENOMEM;
goto error;
*/
while (tries--) {
- i = dlfb_get_edid(dev, edid, MAX_EDID_SIZE);
+ i = dlfb_get_edid(dev, edid, EDID_LENGTH);
- if (i >= MIN_EDID_SIZE)
+ if (i >= EDID_LENGTH)
fb_edid_to_monspecs(edid, &info->monspecs);
if (info->monspecs.modedb_len > 0) {
/* If that fails, use a previously returned EDID if available */
if (info->monspecs.modedb_len == 0) {
- dl_err("Unable to get valid EDID from device/display\n");
+ pr_err("Unable to get valid EDID from device/display\n");
if (dev->edid) {
fb_edid_to_monspecs(dev->edid, &info->monspecs);
if (info->monspecs.modedb_len > 0)
- dl_err("Using previously queried EDID\n");
+ pr_err("Using previously queried EDID\n");
}
}
/* If that fails, use the default EDID we were handed */
if (info->monspecs.modedb_len == 0) {
- if (default_edid_size >= MIN_EDID_SIZE) {
+ if (default_edid_size >= EDID_LENGTH) {
fb_edid_to_monspecs(default_edid, &info->monspecs);
if (info->monspecs.modedb_len > 0) {
memcpy(edid, default_edid, default_edid_size);
dev->edid = edid;
dev->edid_size = default_edid_size;
- dl_err("Using default/backup EDID\n");
+ pr_err("Using default/backup EDID\n");
}
}
}
if (off + count > dev->edid_size)
count = dev->edid_size - off;
- dl_info("sysfs edid copy %p to %p, %d bytes\n",
+ pr_info("sysfs edid copy %p to %p, %d bytes\n",
dev->edid, buf, (int) count);
memcpy(buf, dev->edid, count);
struct dlfb_data *dev = fb_info->par;
/* We only support write of entire EDID at once, no offset*/
- if ((src_size < MIN_EDID_SIZE) ||
- (src_size > MAX_EDID_SIZE) ||
- (src_off != 0))
+ if ((src_size != EDID_LENGTH) || (src_off != 0))
return 0;
dlfb_setup_modes(dev, fb_info, src, src_size);
if (dev->edid && (memcmp(src, dev->edid, src_size) == 0)) {
- dl_info("sysfs written EDID is new default\n");
+ pr_info("sysfs written EDID is new default\n");
dlfb_ops_set_par(fb_info);
return src_size;
} else
static struct bin_attribute edid_attr = {
.attr.name = "edid",
.attr.mode = 0666,
- .size = MAX_EDID_SIZE,
+ .size = EDID_LENGTH,
.read = edid_show,
.write = edid_store
};
total_len = usb_get_descriptor(usbdev, 0x5f, /* vendor specific */
0, desc, MAX_VENDOR_DESCRIPTOR_SIZE);
if (total_len > 5) {
- dl_info("vendor descriptor length:%x data:%02x %02x %02x %02x" \
+ pr_info("vendor descriptor length:%x data:%02x %02x %02x %02x" \
"%02x %02x %02x %02x %02x %02x %02x\n",
total_len, desc[0],
desc[1], desc[2], desc[3], desc[4], desc[5], desc[6],
case 0x0200: { /* max_area */
u32 max_area;
max_area = le32_to_cpu(*((u32 *)desc));
- dl_warn("DL chip limited to %d pixel modes\n",
+ pr_warn("DL chip limited to %d pixel modes\n",
max_area);
dev->sku_pixel_limit = max_area;
break;
unrecognized:
/* allow udlfb to load for now even if firmware unrecognized */
- dl_err("Unrecognized vendor firmware descriptor\n");
+ pr_err("Unrecognized vendor firmware descriptor\n");
success:
kfree(buf);
dev->gdev = &usbdev->dev; /* our generic struct device * */
usb_set_intfdata(interface, dev);
- dl_info("%s %s - serial #%s\n",
+ pr_info("%s %s - serial #%s\n",
usbdev->manufacturer, usbdev->product, usbdev->serial);
- dl_info("vid_%04x&pid_%04x&rev_%04x driver's dlfb_data struct at %p\n",
+ pr_info("vid_%04x&pid_%04x&rev_%04x driver's dlfb_data struct at %p\n",
usbdev->descriptor.idVendor, usbdev->descriptor.idProduct,
usbdev->descriptor.bcdDevice, dev);
- dl_info("console enable=%d\n", console);
- dl_info("fb_defio enable=%d\n", fb_defio);
+ pr_info("console enable=%d\n", console);
+ pr_info("fb_defio enable=%d\n", fb_defio);
dev->sku_pixel_limit = 2048 * 1152; /* default to maximum */
if (!dlfb_parse_vendor_descriptor(dev, usbdev)) {
- dl_err("firmware not recognized. Assume incompatible device\n");
+ pr_err("firmware not recognized. Assume incompatible device\n");
goto error;
}
if (!dlfb_alloc_urb_list(dev, WRITES_IN_FLIGHT, MAX_TRANSFER)) {
retval = -ENOMEM;
- dl_err("dlfb_alloc_urb_list failed\n");
+ pr_err("dlfb_alloc_urb_list failed\n");
goto error;
}
info = framebuffer_alloc(0, &usbdev->dev);
if (!info) {
retval = -ENOMEM;
- dl_err("framebuffer_alloc failed\n");
+ pr_err("framebuffer_alloc failed\n");
goto error;
}
retval = fb_alloc_cmap(&info->cmap, 256, 0);
if (retval < 0) {
- dl_err("fb_alloc_cmap failed %x\n", retval);
+ pr_err("fb_alloc_cmap failed %x\n", retval);
goto error;
}
retval = dlfb_setup_modes(dev, info, NULL, 0);
if (retval != 0) {
- dl_err("unable to find common mode for display and adapter\n");
+ pr_err("unable to find common mode for display and adapter\n");
goto error;
}
retval = register_framebuffer(info);
if (retval < 0) {
- dl_err("register_framebuffer failed %d\n", retval);
+ pr_err("register_framebuffer failed %d\n", retval);
goto error;
}
device_create_bin_file(info->dev, &edid_attr);
- dl_info("DisplayLink USB device /dev/fb%d attached. %dx%d resolution."
+ pr_info("DisplayLink USB device /dev/fb%d attached. %dx%d resolution."
" Using %dK framebuffer memory\n", info->node,
info->var.xres, info->var.yres,
((dev->backing_buffer) ?
dev = usb_get_intfdata(interface);
info = dev->info;
- dl_info("USB disconnect starting\n");
+ pr_info("USB disconnect starting\n");
/* we virtualize until all fb clients release. Then we free */
dev->virtualized = true;
if (!(urb->status == -ENOENT ||
urb->status == -ECONNRESET ||
urb->status == -ESHUTDOWN)) {
- dl_err("%s - nonzero write bulk status received: %d\n",
+ pr_err("%s - nonzero write bulk status received: %d\n",
__func__, urb->status);
atomic_set(&dev->lost_pixels, 1);
}
int ret;
unsigned long flags;
- dl_notice("Waiting for completes and freeing all render urbs\n");
+ pr_notice("Waiting for completes and freeing all render urbs\n");
/* keep waiting and freeing, until we've got 'em all */
while (count--) {
dev->urbs.count = i;
dev->urbs.available = i;
- dl_notice("allocated %d %d byte urbs\n", i, (int) size);
+ pr_notice("allocated %d %d byte urbs\n", i, (int) size);
return i;
}
ret = down_timeout(&dev->urbs.limit_sem, GET_URB_TIMEOUT);
if (ret) {
atomic_set(&dev->lost_pixels, 1);
- dl_warn("wait for urb interrupted: %x available: %d\n",
+ pr_warn("wait for urb interrupted: %x available: %d\n",
ret, dev->urbs.available);
goto error;
}
if (ret) {
dlfb_urb_completion(urb); /* because no one else will */
atomic_set(&dev->lost_pixels, 1);
- dl_err("usb_submit_urb error %x\n", ret);
+ pr_err("usb_submit_urb error %x\n", ret);
}
return ret;
}
projects / mv-sheeva.git / blobdiff