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-rw-r--r--drivers/staging/udlfb/Kconfig8
-rw-r--r--drivers/staging/udlfb/Makefile1
-rw-r--r--drivers/staging/udlfb/udlfb.c938
-rw-r--r--drivers/staging/udlfb/udlfb.h225
4 files changed, 0 insertions, 1172 deletions
diff --git a/drivers/staging/udlfb/Kconfig b/drivers/staging/udlfb/Kconfig
deleted file mode 100644
index 641692da0e4..00000000000
--- a/drivers/staging/udlfb/Kconfig
+++ /dev/null
@@ -1,8 +0,0 @@
-config FB_UDL
- tristate "Displaylink USB Framebuffer support"
- depends on FB && USB
- ---help---
- This is an experimental driver for DisplayLink USB devices
- that provides a framebuffer device. A normal framebuffer can
- be used with this driver, or xorg can be run on the device
- using it.
diff --git a/drivers/staging/udlfb/Makefile b/drivers/staging/udlfb/Makefile
deleted file mode 100644
index 30d9e675b10..00000000000
--- a/drivers/staging/udlfb/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_FB_UDL) += udlfb.o
diff --git a/drivers/staging/udlfb/udlfb.c b/drivers/staging/udlfb/udlfb.c
deleted file mode 100644
index f5416af1e90..00000000000
--- a/drivers/staging/udlfb/udlfb.c
+++ /dev/null
@@ -1,938 +0,0 @@
-/*****************************************************************************
- * DLFB Kernel Driver *
- * Version 0.2 (udlfb) *
- * (C) 2009 Roberto De Ioris <roberto@unbit.it> *
- * *
- * This file is licensed under the GPLv2. See COPYING in the package. *
- * Based on the amazing work of Florian Echtler and libdlo 0.1 *
- * *
- * *
- * 10.06.09 release 0.2.3 (edid ioctl, fallback for unsupported modes) *
- * 05.06.09 release 0.2.2 (real screen blanking, rle compression, double buffer) *
- * 31.05.09 release 0.2 *
- * 22.05.09 First public (ugly) release *
- *****************************************************************************/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/usb.h>
-#include <linux/uaccess.h>
-#include <linux/mm.h>
-#include <linux/fb.h>
-#include <linux/mutex.h>
-#include <linux/vmalloc.h>
-
-#include "udlfb.h"
-
-#define DRIVER_VERSION "DLFB 0.2"
-
-/* memory functions taken from vfb */
-
-static void *rvmalloc(unsigned long size)
-{
- void *mem;
- unsigned long adr;
-
- size = PAGE_ALIGN(size);
- mem = vmalloc_32(size);
- if (!mem)
- return NULL;
-
- memset(mem, 0, size); /* Clear the ram out, no junk to the user */
- adr = (unsigned long)mem;
- while (size > 0) {
- SetPageReserved(vmalloc_to_page((void *)adr));
- adr += PAGE_SIZE;
- size -= PAGE_SIZE;
- }
-
- return mem;
-}
-
-static void rvfree(void *mem, unsigned long size)
-{
- unsigned long adr;
-
- if (!mem)
- return;
-
- adr = (unsigned long)mem;
- while ((long)size > 0) {
- ClearPageReserved(vmalloc_to_page((void *)adr));
- adr += PAGE_SIZE;
- size -= PAGE_SIZE;
- }
- vfree(mem);
-}
-
-static int dlfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
-{
- unsigned long start = vma->vm_start;
- unsigned long size = vma->vm_end - vma->vm_start;
- unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
- unsigned long page, pos;
-
- printk("MMAP: %lu %u\n", offset + size, info->fix.smem_len);
-
- if (offset + size > info->fix.smem_len)
- return -EINVAL;
-
- pos = (unsigned long)info->fix.smem_start + offset;
-
- while (size > 0) {
- page = vmalloc_to_pfn((void *)pos);
- if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED))
- return -EAGAIN;
-
- start += PAGE_SIZE;
- pos += PAGE_SIZE;
- if (size > PAGE_SIZE)
- size -= PAGE_SIZE;
- else
- size = 0;
- }
-
- vma->vm_flags |= VM_RESERVED; /* avoid to swap out this VMA */
- return 0;
-
-}
-
-/* ioctl structure */
-struct dloarea {
- int x, y;
- int w, h;
- int x2, y2;
-};
-
-/*
-static struct usb_device_id id_table [] = {
- { USB_DEVICE(0x17e9, 0x023d) },
- { }
-};
-*/
-
-static struct usb_device_id id_table[] = {
- {.idVendor = 0x17e9, .match_flags = USB_DEVICE_ID_MATCH_VENDOR,},
- {},
-};
-MODULE_DEVICE_TABLE(usb, id_table);
-
-static struct usb_driver dlfb_driver;
-
-// thanks to Henrik Bjerregaard Pedersen for this function
-static char *rle_compress16(uint16_t * src, char *dst, int rem)
-{
-
- int rl;
- uint16_t pix0;
- char *end_if_raw = dst + 6 + 2 * rem;
-
- dst += 6; // header will be filled in if RLE is worth it
-
- while (rem && dst < end_if_raw) {
- char *start = (char *)src;
-
- pix0 = *src++;
- rl = 1;
- rem--;
- while (rem && *src == pix0)
- rem--, rl++, src++;
- *dst++ = rl;
- *dst++ = start[1];
- *dst++ = start[0];
- }
-
- return dst;
-}
-
-/*
-Thanks to Henrik Bjerregaard Pedersen for rle implementation and code refactoring.
-Next step is huffman compression.
-*/
-
-static int
-image_blit(struct dlfb_data *dev_info, int x, int y, int width, int height,
- char *data)
-{
-
- int i, j, base;
- int rem = width;
- int ret;
-
- int firstdiff, thistime;
-
- char *bufptr;
-
- if (x + width > dev_info->info->var.xres)
- return -EINVAL;
-
- if (y + height > dev_info->info->var.yres)
- return -EINVAL;
-
- mutex_lock(&dev_info->bulk_mutex);
-
- base =
- dev_info->base16 + ((dev_info->info->var.xres * 2 * y) + (x * 2));
-
- data += (dev_info->info->var.xres * 2 * y) + (x * 2);
-
- /* printk("IMAGE_BLIT\n"); */
-
- bufptr = dev_info->buf;
-
- for (i = y; i < y + height; i++) {
-
- if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
- ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
- bufptr = dev_info->buf;
- }
-
- rem = width;
-
- /* printk("WRITING LINE %d\n", i); */
-
- while (rem) {
-
- if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
- ret =
- dlfb_bulk_msg(dev_info,
- bufptr - dev_info->buf);
- bufptr = dev_info->buf;
- }
- // number of pixels to consider this time
- thistime = rem;
- if (thistime > 255)
- thistime = 255;
-
- // find position of first pixel that has changed
- firstdiff = -1;
- for (j = 0; j < thistime * 2; j++) {
- if (dev_info->backing_buffer
- [base - dev_info->base16 + j] != data[j]) {
- firstdiff = j / 2;
- break;
- }
- }
-
- if (firstdiff >= 0) {
- char *end_of_rle;
-
- end_of_rle =
- rle_compress16((uint16_t *) (data +
- firstdiff * 2),
- bufptr,
- thistime - firstdiff);
-
- if (end_of_rle <
- bufptr + 6 + 2 * (thistime - firstdiff)) {
- bufptr[0] = 0xAF;
- bufptr[1] = 0x69;
-
- bufptr[2] =
- (char)((base +
- firstdiff * 2) >> 16);
- bufptr[3] =
- (char)((base + firstdiff * 2) >> 8);
- bufptr[4] =
- (char)(base + firstdiff * 2);
- bufptr[5] = thistime - firstdiff;
-
- bufptr = end_of_rle;
-
- } else {
- // fallback to raw (or some other encoding?)
- *bufptr++ = 0xAF;
- *bufptr++ = 0x68;
-
- *bufptr++ =
- (char)((base +
- firstdiff * 2) >> 16);
- *bufptr++ =
- (char)((base + firstdiff * 2) >> 8);
- *bufptr++ =
- (char)(base + firstdiff * 2);
- *bufptr++ = thistime - firstdiff;
- // PUT COMPRESSION HERE
- for (j = firstdiff * 2;
- j < thistime * 2; j += 2) {
- *bufptr++ = data[j + 1];
- *bufptr++ = data[j];
- }
- }
- }
-
- base += thistime * 2;
- data += thistime * 2;
- rem -= thistime;
- }
-
- memcpy(dev_info->backing_buffer + (base - dev_info->base16) -
- (width * 2), data - (width * 2), width * 2);
-
- base += (dev_info->info->var.xres * 2) - (width * 2);
- data += (dev_info->info->var.xres * 2) - (width * 2);
-
- }
-
- if (bufptr > dev_info->buf) {
- ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
- }
-
- mutex_unlock(&dev_info->bulk_mutex);
-
- return base;
-
-}
-
-static int
-draw_rect(struct dlfb_data *dev_info, int x, int y, int width, int height,
- unsigned char red, unsigned char green, unsigned char blue)
-{
-
- int i, j, base;
- int ret;
- unsigned short col =
- (((((red) & 0xF8) | ((green) >> 5)) & 0xFF) << 8) +
- (((((green) & 0x1C) << 3) | ((blue) >> 3)) & 0xFF);
- int rem = width;
-
- char *bufptr;
-
- if (x + width > dev_info->info->var.xres)
- return -EINVAL;
-
- if (y + height > dev_info->info->var.yres)
- return -EINVAL;
-
- mutex_lock(&dev_info->bulk_mutex);
-
- base = dev_info->base16 + (dev_info->info->var.xres * 2 * y) + (x * 2);
-
- bufptr = dev_info->buf;
-
- for (i = y; i < y + height; i++) {
-
- for (j = 0; j < width * 2; j += 2) {
- dev_info->backing_buffer[base - dev_info->base16 + j] =
- (char)(col >> 8);
- dev_info->backing_buffer[base - dev_info->base16 + j +
- 1] = (char)(col);
- }
- if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
- ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
- bufptr = dev_info->buf;
- }
-
- rem = width;
-
- while (rem) {
-
- if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
- ret =
- dlfb_bulk_msg(dev_info,
- bufptr - dev_info->buf);
- bufptr = dev_info->buf;
- }
-
- *bufptr++ = 0xAF;
- *bufptr++ = 0x69;
-
- *bufptr++ = (char)(base >> 16);
- *bufptr++ = (char)(base >> 8);
- *bufptr++ = (char)(base);
-
- if (rem > 255) {
- *bufptr++ = 255;
- *bufptr++ = 255;
- rem -= 255;
- base += 255 * 2;
- } else {
- *bufptr++ = rem;
- *bufptr++ = rem;
- base += rem * 2;
- rem = 0;
- }
-
- *bufptr++ = (char)(col >> 8);
- *bufptr++ = (char)(col);
-
- }
-
- base += (dev_info->info->var.xres * 2) - (width * 2);
-
- }
-
- if (bufptr > dev_info->buf)
- ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
-
- mutex_unlock(&dev_info->bulk_mutex);
-
- return 1;
-}
-
-static void swapfb(struct dlfb_data *dev_info)
-{
-
- int tmpbase;
- char *bufptr;
-
- mutex_lock(&dev_info->bulk_mutex);
-
- tmpbase = dev_info->base16;
-
- dev_info->base16 = dev_info->base16d;
- dev_info->base16d = tmpbase;
-
- bufptr = dev_info->buf;
-
- bufptr = dlfb_set_register(bufptr, 0xFF, 0x00);
-
- // set addresses
- bufptr =
- dlfb_set_register(bufptr, 0x20, (char)(dev_info->base16 >> 16));
- bufptr = dlfb_set_register(bufptr, 0x21, (char)(dev_info->base16 >> 8));
- bufptr = dlfb_set_register(bufptr, 0x22, (char)(dev_info->base16));
-
- bufptr = dlfb_set_register(bufptr, 0xFF, 0x00);
-
- dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
-
- mutex_unlock(&dev_info->bulk_mutex);
-}
-
-static int copyfb(struct dlfb_data *dev_info)
-{
- int base;
- int source;
- int rem;
- int i, ret;
-
- char *bufptr;
-
- base = dev_info->base16d;
-
- mutex_lock(&dev_info->bulk_mutex);
-
- source = dev_info->base16;
-
- bufptr = dev_info->buf;
-
- for (i = 0; i < dev_info->info->var.yres; i++) {
-
- if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
- ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
- bufptr = dev_info->buf;
- }
-
- rem = dev_info->info->var.xres;
-
- while (rem) {
-
- if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
- ret =
- dlfb_bulk_msg(dev_info,
- bufptr - dev_info->buf);
- bufptr = dev_info->buf;
-
- }
-
- *bufptr++ = 0xAF;
- *bufptr++ = 0x6A;
-
- *bufptr++ = (char)(base >> 16);
- *bufptr++ = (char)(base >> 8);
- *bufptr++ = (char)(base);
-
- if (rem > 255) {
- *bufptr++ = 255;
- *bufptr++ = (char)(source >> 16);
- *bufptr++ = (char)(source >> 8);
- *bufptr++ = (char)(source);
-
- rem -= 255;
- base += 255 * 2;
- source += 255 * 2;
-
- } else {
- *bufptr++ = rem;
- *bufptr++ = (char)(source >> 16);
- *bufptr++ = (char)(source >> 8);
- *bufptr++ = (char)(source);
-
- base += rem * 2;
- source += rem * 2;
- rem = 0;
- }
- }
- }
-
- if (bufptr > dev_info->buf)
- ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
-
- mutex_unlock(&dev_info->bulk_mutex);
-
- return 1;
-
-}
-
-static int
-copyarea(struct dlfb_data *dev_info, int dx, int dy, int sx, int sy,
- int width, int height)
-{
- int base;
- int source;
- int rem;
- int i, ret;
-
- char *bufptr;
-
- if (dx + width > dev_info->info->var.xres)
- return -EINVAL;
-
- if (dy + height > dev_info->info->var.yres)
- return -EINVAL;
-
- mutex_lock(&dev_info->bulk_mutex);
-
- base =
- dev_info->base16 + (dev_info->info->var.xres * 2 * dy) + (dx * 2);
- source = (dev_info->info->var.xres * 2 * sy) + (sx * 2);
-
- bufptr = dev_info->buf;
-
- for (i = sy; i < sy + height; i++) {
-
- memcpy(dev_info->backing_buffer + base - dev_info->base16,
- dev_info->backing_buffer + source, width * 2);
-
- if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
- ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
- bufptr = dev_info->buf;
- }
-
- rem = width;
-
- while (rem) {
-
- if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
- ret =
- dlfb_bulk_msg(dev_info,
- bufptr - dev_info->buf);
- bufptr = dev_info->buf;
- }
-
- *bufptr++ = 0xAF;
- *bufptr++ = 0x6A;
-
- *bufptr++ = (char)(base >> 16);
- *bufptr++ = (char)(base >> 8);
- *bufptr++ = (char)(base);
-
- if (rem > 255) {
- *bufptr++ = 255;
- *bufptr++ = (char)(source >> 16);
- *bufptr++ = (char)(source >> 8);
- *bufptr++ = (char)(source);
-
- rem -= 255;
- base += 255 * 2;
- source += 255 * 2;
-
- } else {
- *bufptr++ = rem;
- *bufptr++ = (char)(source >> 16);
- *bufptr++ = (char)(source >> 8);
- *bufptr++ = (char)(source);
-
- base += rem * 2;
- source += rem * 2;
- rem = 0;
- }
- }
-
- base += (dev_info->info->var.xres * 2) - (width * 2);
- source += (dev_info->info->var.xres * 2) - (width * 2);
- }
-
- if (bufptr > dev_info->buf)
- ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
-
- mutex_unlock(&dev_info->bulk_mutex);
-
- return 1;
-}
-
-static void dlfb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
-{
-
- struct dlfb_data *dev = info->par;
-
- copyarea(dev, area->dx, area->dy, area->sx, area->sy, area->width,
- area->height);
-
- /* printk("COPY AREA %d %d %d %d %d %d !!!\n", area->dx, area->dy, area->sx, area->sy, area->width, area->height); */
-
-}
-
-static void dlfb_imageblit(struct fb_info *info, const struct fb_image *image)
-{
-
- int ret;
- struct dlfb_data *dev = info->par;
- /* printk("IMAGE BLIT (1) %d %d %d %d DEPTH %d {%p}!!!\n", image->dx, image->dy, image->width, image->height, image->depth, dev->udev); */
- cfb_imageblit(info, image);
- ret =
- image_blit(dev, image->dx, image->dy, image->width, image->height,
- info->screen_base);
- /* printk("IMAGE BLIT (2) %d %d %d %d DEPTH %d {%p} %d!!!\n", image->dx, image->dy, image->width, image->height, image->depth, dev->udev, ret); */
-}
-
-static void dlfb_fillrect(struct fb_info *info,
- const struct fb_fillrect *region)
-{
-
- unsigned char red, green, blue;
- struct dlfb_data *dev = info->par;
-
- memcpy(&red, &region->color, 1);
- memcpy(&green, &region->color + 1, 1);
- memcpy(&blue, &region->color + 2, 1);
- draw_rect(dev, region->dx, region->dy, region->width, region->height,
- red, green, blue);
- /* printk("FILL RECT %d %d !!!\n", region->dx, region->dy); */
-
-}
-
-static int dlfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
-{
-
- struct dlfb_data *dev_info = info->par;
- struct dloarea *area = NULL;
-
- if (cmd == 0xAD) {
- char *edid = (char *)arg;
- dlfb_edid(dev_info);
- if (copy_to_user(edid, dev_info->edid, 128)) {
- return -EFAULT;
- }
- return 0;
- }
-
- if (cmd == 0xAA || cmd == 0xAB || cmd == 0xAC) {
-
- area = (struct dloarea *)arg;
-
- if (area->x < 0)
- area->x = 0;
-
- if (area->x > info->var.xres)
- area->x = info->var.xres;
-
- if (area->y < 0)
- area->y = 0;
-
- if (area->y > info->var.yres)
- area->y = info->var.yres;
- }
-
- if (cmd == 0xAA) {
- image_blit(dev_info, area->x, area->y, area->w, area->h,
- info->screen_base);
- }
- if (cmd == 0xAC) {
- copyfb(dev_info);
- image_blit(dev_info, area->x, area->y, area->w, area->h,
- info->screen_base);
- swapfb(dev_info);
- } else if (cmd == 0xAB) {
-
- if (area->x2 < 0)
- area->x2 = 0;
-
- if (area->y2 < 0)
- area->y2 = 0;
-
- copyarea(dev_info,
- area->x2, area->y2, area->x, area->y, area->w,
- area->h);
- }
- return 0;
-}
-
-/* taken from vesafb */
-
-static int
-dlfb_setcolreg(unsigned regno, unsigned red, unsigned green,
- unsigned blue, unsigned transp, struct fb_info *info)
-{
- int err = 0;
-
- if (regno >= info->cmap.len)
- return 1;
-
- if (regno < 16) {
- if (info->var.red.offset == 10) {
- /* 1:5:5:5 */
- ((u32 *) (info->pseudo_palette))[regno] =
- ((red & 0xf800) >> 1) |
- ((green & 0xf800) >> 6) | ((blue & 0xf800) >> 11);
- } else {
- /* 0:5:6:5 */
- ((u32 *) (info->pseudo_palette))[regno] =
- ((red & 0xf800)) |
- ((green & 0xfc00) >> 5) | ((blue & 0xf800) >> 11);
- }
- }
-
- return err;
-}
-
-static int dlfb_release(struct fb_info *info, int user)
-{
- struct dlfb_data *dev_info = info->par;
- image_blit(dev_info, 0, 0, info->var.xres, info->var.yres,
- info->screen_base);
- return 0;
-}
-
-static int dlfb_blank(int blank_mode, struct fb_info *info)
-{
- struct dlfb_data *dev_info = info->par;
- char *bufptr = dev_info->buf;
-
- bufptr = dlfb_set_register(bufptr, 0xFF, 0x00);
- if (blank_mode != FB_BLANK_UNBLANK) {
- bufptr = dlfb_set_register(bufptr, 0x1F, 0x01);
- } else {
- bufptr = dlfb_set_register(bufptr, 0x1F, 0x00);
- }
- bufptr = dlfb_set_register(bufptr, 0xFF, 0xFF);
-
- dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
-
- return 0;
-}
-
-static struct fb_ops dlfb_ops = {
- .fb_setcolreg = dlfb_setcolreg,
- .fb_fillrect = dlfb_fillrect,
- .fb_copyarea = dlfb_copyarea,
- .fb_imageblit = dlfb_imageblit,
- .fb_mmap = dlfb_mmap,
- .fb_ioctl = dlfb_ioctl,
- .fb_release = dlfb_release,
- .fb_blank = dlfb_blank,
-};
-
-static int
-dlfb_probe(struct usb_interface *interface, const struct usb_device_id *id)
-{
- struct dlfb_data *dev_info;
- struct fb_info *info;
-
- int ret;
- char rbuf[4];
-
- dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
- if (dev_info == NULL) {
- printk("cannot allocate dev_info structure.\n");
- return -ENOMEM;
- }
-
- mutex_init(&dev_info->bulk_mutex);
-
- dev_info->udev = usb_get_dev(interface_to_usbdev(interface));
- dev_info->interface = interface;
-
- printk("DisplayLink device attached\n");
-
- /* add framebuffer info to usb interface */
- usb_set_intfdata(interface, dev_info);
-
- dev_info->buf = kmalloc(BUF_SIZE, GFP_KERNEL);
- /* usb_buffer_alloc(dev_info->udev, BUF_SIZE , GFP_KERNEL, &dev_info->tx_urb->transfer_dma); */
-
- if (dev_info->buf == NULL) {
- printk("unable to allocate memory for dlfb commands\n");
- goto out;
- }
- dev_info->bufend = dev_info->buf + BUF_SIZE;
-
- dev_info->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
- usb_fill_bulk_urb(dev_info->tx_urb, dev_info->udev,
- usb_sndbulkpipe(dev_info->udev, 1), dev_info->buf, 0,
- dlfb_bulk_callback, dev_info);
-
- ret =
- usb_control_msg(dev_info->udev, usb_rcvctrlpipe(dev_info->udev, 0),
- (0x06), (0x80 | (0x02 << 5)), 0, 0, rbuf, 4, 0);
- printk("ret control msg 0: %d %x%x%x%x\n", ret, rbuf[0], rbuf[1],
- rbuf[2], rbuf[3]);
-
- dlfb_edid(dev_info);
-
- info = framebuffer_alloc(sizeof(u32) * 256, &dev_info->udev->dev);
-
- if (!info) {
- printk("non posso allocare il framebuffer displaylink");
- goto out;
- }
-
- fb_parse_edid(dev_info->edid, &info->var);
-
- printk("EDID XRES %d YRES %d\n", info->var.xres, info->var.yres);
-
- if (dlfb_set_video_mode(dev_info, info->var.xres, info->var.yres) != 0) {
- info->var.xres = 1280;
- info->var.yres = 1024;
- if (dlfb_set_video_mode
- (dev_info, info->var.xres, info->var.yres) != 0) {
- goto out;
- }
- }
-
- printk("found valid mode...%d\n", info->var.pixclock);
-
- info->pseudo_palette = info->par;
- info->par = dev_info;
-
- dev_info->info = info;
-
- info->flags =
- FBINFO_DEFAULT | FBINFO_READS_FAST | FBINFO_HWACCEL_IMAGEBLIT |
- FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT;
- info->fbops = &dlfb_ops;
- info->screen_base = rvmalloc(dev_info->screen_size);
-
- if (info->screen_base == NULL) {
- printk
- ("cannot allocate framebuffer virtual memory of %d bytes\n",
- dev_info->screen_size);
- goto out0;
- }
-
- printk("screen base allocated !!!\n");
-
- dev_info->backing_buffer = kzalloc(dev_info->screen_size, GFP_KERNEL);
-
- if (!dev_info->backing_buffer)
- printk("non posso allocare il backing buffer\n");
-
- /* info->var = dev_info->si; */
-
- info->var.bits_per_pixel = 16;
- info->var.activate = FB_ACTIVATE_TEST;
- info->var.vmode = FB_VMODE_NONINTERLACED;
-
- info->var.red.offset = 11;
- info->var.red.length = 5;
- info->var.red.msb_right = 0;
-
- info->var.green.offset = 5;
- info->var.green.length = 6;
- info->var.green.msb_right = 0;
-
- info->var.blue.offset = 0;
- info->var.blue.length = 5;
- info->var.blue.msb_right = 0;
-
- /* info->var.pixclock = (10000000 / FB_W * 1000 / FB_H)/2 ; */
-
- info->fix.smem_start = (unsigned long)info->screen_base;
- info->fix.smem_len = PAGE_ALIGN(dev_info->screen_size);
- if (strlen(dev_info->udev->product) > 15) {
- memcpy(info->fix.id, dev_info->udev->product, 15);
- } else {
- memcpy(info->fix.id, dev_info->udev->product,
- strlen(dev_info->udev->product));
- }
- info->fix.type = FB_TYPE_PACKED_PIXELS;
- info->fix.visual = FB_VISUAL_TRUECOLOR;
- info->fix.accel = info->flags;
- info->fix.line_length = dev_info->line_length;
-
- if (fb_alloc_cmap(&info->cmap, 256, 0) < 0)
- goto out1;
-
- printk("colormap allocated\n");
- if (register_framebuffer(info) < 0)
- goto out2;
-
- draw_rect(dev_info, 0, 0, dev_info->info->var.xres,
- dev_info->info->var.yres, 0x30, 0xff, 0x30);
-
- return 0;
-
-out2:
- fb_dealloc_cmap(&info->cmap);
-out1:
- rvfree(info->screen_base, dev_info->screen_size);
-out0:
- framebuffer_release(info);
-out:
- usb_set_intfdata(interface, NULL);
- usb_put_dev(dev_info->udev);
- kfree(dev_info);
- return -ENOMEM;
-
-}
-
-static void dlfb_disconnect(struct usb_interface *interface)
-{
- struct dlfb_data *dev_info = usb_get_intfdata(interface);
-
- mutex_unlock(&dev_info->bulk_mutex);
-
- usb_kill_urb(dev_info->tx_urb);
- usb_free_urb(dev_info->tx_urb);
- usb_set_intfdata(interface, NULL);
- usb_put_dev(dev_info->udev);
-
- if (dev_info->info) {
- unregister_framebuffer(dev_info->info);
- fb_dealloc_cmap(&dev_info->info->cmap);
- rvfree(dev_info->info->screen_base, dev_info->screen_size);
- kfree(dev_info->backing_buffer);
- framebuffer_release(dev_info->info);
-
- }
-
- kfree(dev_info);
-
- printk("DisplayLink device disconnected\n");
-}
-
-static struct usb_driver dlfb_driver = {
- .name = "udlfb",
- .probe = dlfb_probe,
- .disconnect = dlfb_disconnect,
- .id_table = id_table,
-};
-
-static int __init dlfb_init(void)
-{
- int res;
-
- dlfb_init_modes();
-
- res = usb_register(&dlfb_driver);
- if (res)
- err("usb_register failed. Error number %d", res);
-
- printk("VMODES initialized\n");
-
- return res;
-}
-
-static void __exit dlfb_exit(void)
-{
- usb_deregister(&dlfb_driver);
-}
-
-module_init(dlfb_init);
-module_exit(dlfb_exit);
-
-MODULE_AUTHOR("Roberto De Ioris <roberto@unbit.it>");
-MODULE_DESCRIPTION(DRIVER_VERSION);
-MODULE_LICENSE("GPL");
diff --git a/drivers/staging/udlfb/udlfb.h b/drivers/staging/udlfb/udlfb.h
deleted file mode 100644
index 40ad85ea8e6..00000000000
--- a/drivers/staging/udlfb/udlfb.h
+++ /dev/null
@@ -1,225 +0,0 @@
-#ifndef UDLFB_H
-#define UDLFB_H
-
-#define MAX_VMODES 4
-#define FB_BPP 16
-
-#define STD_CHANNEL "\x57\xCD\xDC\xA7\x1C\x88\x5E\x15" \
- "\x60\xFE\xC6\x97\x16\x3D\x47\xF2"
-
-/* as libdlo */
-#define BUF_HIGH_WATER_MARK 1024
-#define BUF_SIZE (64*1024)
-
-struct dlfb_data {
- struct usb_device *udev;
- struct usb_interface *interface;
- struct urb *tx_urb, *ctrl_urb;
- struct usb_ctrlrequest dr;
- struct fb_info *info;
- char *buf;
- char *bufend;
- char *backing_buffer;
- struct mutex bulk_mutex;
- char edid[128];
- int screen_size;
- int line_length;
- struct completion done;
- int base16;
- int base16d;
- int base8;
- int base8d;
-};
-
-struct dlfb_video_mode {
- uint8_t col;
- uint32_t hclock;
- uint32_t vclock;
- uint8_t unknown1[6];
- uint16_t xres;
- uint8_t unknown2[6];
- uint16_t yres;
- uint8_t unknown3[4];
-} __attribute__ ((__packed__));
-
-static struct dlfb_video_mode dlfb_video_modes[MAX_VMODES];
-
-static void dlfb_bulk_callback(struct urb *urb)
-{
- struct dlfb_data *dev_info = urb->context;
- complete(&dev_info->done);
-}
-
-static void dlfb_edid(struct dlfb_data *dev_info)
-{
- int i;
- int ret;
- char rbuf[2];
-
- for (i = 0; i < 128; i++) {
- ret =
- usb_control_msg(dev_info->udev,
- usb_rcvctrlpipe(dev_info->udev, 0), (0x02),
- (0x80 | (0x02 << 5)), i << 8, 0xA1, rbuf, 2,
- 0);
- /*printk("ret control msg edid %d: %d [%d]\n",i, ret, rbuf[1]); */
- dev_info->edid[i] = rbuf[1];
- }
-
-}
-
-static int dlfb_bulk_msg(struct dlfb_data *dev_info, int len)
-{
- int ret;
-
- init_completion(&dev_info->done);
-
- dev_info->tx_urb->actual_length = 0;
- dev_info->tx_urb->transfer_buffer_length = len;
-
- ret = usb_submit_urb(dev_info->tx_urb, GFP_KERNEL);
- if (!wait_for_completion_timeout(&dev_info->done, 1000)) {
- usb_kill_urb(dev_info->tx_urb);
- printk("usb timeout !!!\n");
- }
-
- return dev_info->tx_urb->actual_length;
-}
-
-static void dlfb_init_modes(void)
-{
- dlfb_video_modes[0].col = 0;
- memcpy(&dlfb_video_modes[0].hclock, "\x20\x3C\x7A\xC9", 4);
- memcpy(&dlfb_video_modes[0].vclock, "\xF2\x6C\x48\xF9", 4);
- memcpy(&dlfb_video_modes[0].unknown1, "\x70\x53\xFF\xFF\x21\x27", 6);
- dlfb_video_modes[0].xres = 800;
- memcpy(&dlfb_video_modes[0].unknown2, "\x91\xF3\xFF\xFF\xFF\xF9", 6);
- dlfb_video_modes[0].yres = 480;
- memcpy(&dlfb_video_modes[0].unknown3, "\x01\x02\xC8\x19", 4);
-
- dlfb_video_modes[1].col = 0;
- memcpy(&dlfb_video_modes[1].hclock, "\x36\x18\xD5\x10", 4);
- memcpy(&dlfb_video_modes[1].vclock, "\x60\xA9\x7B\x33", 4);
- memcpy(&dlfb_video_modes[1].unknown1, "\xA1\x2B\x27\x32\xFF\xFF", 6);
- dlfb_video_modes[1].xres = 1024;
- memcpy(&dlfb_video_modes[1].unknown2, "\xD9\x9A\xFF\xCA\xFF\xFF", 6);
- dlfb_video_modes[1].yres = 768;
- memcpy(&dlfb_video_modes[1].unknown3, "\x04\x03\xC8\x32", 4);
-
- dlfb_video_modes[2].col = 0;
- memcpy(&dlfb_video_modes[2].hclock, "\x98\xF8\x0D\x57", 4);
- memcpy(&dlfb_video_modes[2].vclock, "\x2A\x55\x4D\x54", 4);
- memcpy(&dlfb_video_modes[2].unknown1, "\xCA\x0D\xFF\xFF\x94\x43", 6);
- dlfb_video_modes[2].xres = 1280;
- memcpy(&dlfb_video_modes[2].unknown2, "\x9A\xA8\xFF\xFF\xFF\xF9", 6);
- dlfb_video_modes[2].yres = 1024;
- memcpy(&dlfb_video_modes[2].unknown3, "\x04\x02\x60\x54", 4);
-
- dlfb_video_modes[3].col = 0;
- memcpy(&dlfb_video_modes[3].hclock, "\x42\x24\x38\x36", 4);
- memcpy(&dlfb_video_modes[3].vclock, "\xC1\x52\xD9\x29", 4);
- memcpy(&dlfb_video_modes[3].unknown1, "\xEA\xB8\x32\x60\xFF\xFF", 6);
- dlfb_video_modes[3].xres = 1400;
- memcpy(&dlfb_video_modes[3].unknown2, "\xC9\x4E\xFF\xFF\xFF\xF2", 6);
- dlfb_video_modes[3].yres = 1050;
- memcpy(&dlfb_video_modes[3].unknown3, "\x04\x02\x1E\x5F", 4);
-}
-
-static char *dlfb_set_register(char *bufptr, uint8_t reg, uint8_t val)
-{
- *bufptr++ = 0xAF;
- *bufptr++ = 0x20;
- *bufptr++ = reg;
- *bufptr++ = val;
-
- return bufptr;
-}
-
-static int dlfb_set_video_mode(struct dlfb_data *dev_info, int width, int height)
-{
- int i, ret;
- unsigned char j;
- char *bufptr = dev_info->buf;
- uint8_t *vdata;
-
- for (i = 0; i < MAX_VMODES; i++) {
- printk("INIT VIDEO %d %d %d\n", i, dlfb_video_modes[i].xres,
- dlfb_video_modes[i].yres);
- if (dlfb_video_modes[i].xres == width
- && dlfb_video_modes[i].yres == height) {
-
- dev_info->base16 = 0;
- dev_info->base16d = width * height * (FB_BPP / 8);
-
- //dev_info->base8 = width * height * (FB_BPP / 8);
-
- dev_info->base8 = dev_info->base16;
- dev_info->base8d = dev_info->base16d;
-
- /* set encryption key (null) */
- memcpy(dev_info->buf, STD_CHANNEL, 16);
- ret =
- usb_control_msg(dev_info->udev,
- usb_sndctrlpipe(dev_info->udev, 0),
- 0x12, (0x02 << 5), 0, 0,
- dev_info->buf, 16, 0);
- printk("ret control msg 1 (STD_CHANNEL): %d\n", ret);
-
- /* set registers */
- bufptr = dlfb_set_register(bufptr, 0xFF, 0x00);
-
- /* set color depth */
- bufptr = dlfb_set_register(bufptr, 0x00, 0x00);
-
- /* set addresses */
- bufptr =
- dlfb_set_register(bufptr, 0x20,
- (char)(dev_info->base16 >> 16));
- bufptr =
- dlfb_set_register(bufptr, 0x21,
- (char)(dev_info->base16 >> 8));
- bufptr =
- dlfb_set_register(bufptr, 0x22,
- (char)(dev_info->base16));
-
- bufptr =
- dlfb_set_register(bufptr, 0x26,
- (char)(dev_info->base8 >> 16));
- bufptr =
- dlfb_set_register(bufptr, 0x27,
- (char)(dev_info->base8 >> 8));
- bufptr =
- dlfb_set_register(bufptr, 0x28,
- (char)(dev_info->base8));
-
- /* set video mode */
- vdata = (uint8_t *)&dlfb_video_modes[i];
- for (j = 0; j < 29; j++)
- bufptr = dlfb_set_register(bufptr, j, vdata[j]);
-
- /* blank */
- bufptr = dlfb_set_register(bufptr, 0x1F, 0x00);
-
- /* end registers */
- bufptr = dlfb_set_register(bufptr, 0xFF, 0xFF);
-
- /* send */
- ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
- printk("ret bulk 2: %d %td\n", ret,
- bufptr - dev_info->buf);
-
- /* flush */
- ret = dlfb_bulk_msg(dev_info, 0);
- printk("ret bulk 3: %d\n", ret);
-
- dev_info->screen_size = width * height * (FB_BPP / 8);
- dev_info->line_length = width * (FB_BPP / 8);
-
- return 0;
- }
- }
-
- return -1;
-}
-
-#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-14 09:15:14 +0000