diff options
| -rw-r--r-- | recipes/libdlo/kernel-module-udlfb.bb | 19 | ||||
| -rw-r--r-- | recipes/libdlo/kernel-module-udlfb/Makefile | 15 | ||||
| -rw-r--r-- | recipes/libdlo/kernel-module-udlfb/dlfb.h | 234 | ||||
| -rw-r--r-- | recipes/libdlo/kernel-module-udlfb/udlfb.c | 664 | ||||
| -rw-r--r-- | recipes/libdlo/libdlo_git.bb | 21 |
5 files changed, 953 insertions, 0 deletions
diff --git a/recipes/libdlo/kernel-module-udlfb.bb b/recipes/libdlo/kernel-module-udlfb.bb new file mode 100644 index 0000000000..f1352ef0c1 --- /dev/null +++ b/recipes/libdlo/kernel-module-udlfb.bb @@ -0,0 +1,19 @@ +DESCRIPTION = "Framebuffer console driver for displaylink based usb devices" +LICENSE = "GPLv2" + +PV = "0.2" + +SRC_URI = "file://udlfb.c \ + file://dlfb.h \ + file://Makefile \ +" + +inherit module + +S = "${WORKDIR}" + +do_install() { + install -d ${D}/lib/modules/${KERNEL_VERSION}/drivers/usb/ + install -m 0644 *.ko ${D}/lib/modules/${KERNEL_VERSION}/drivers/usb/ +} + diff --git a/recipes/libdlo/kernel-module-udlfb/Makefile b/recipes/libdlo/kernel-module-udlfb/Makefile new file mode 100644 index 0000000000..255d3f5480 --- /dev/null +++ b/recipes/libdlo/kernel-module-udlfb/Makefile @@ -0,0 +1,15 @@ +ifndef KERNELRELEASE + +PWD := $(shell pwd) +all: + $(MAKE) -C $(KERNELDIR) SUBDIRS=$(PWD) modules +clean: + rm -f *.o *.ko *.mod.* .*.cmd Module.symvers + rm -rf .tmp_versions + +install: + $(MAKE) -C $(KERNELDIR) SUBDIRS=$(PWD) modules_install + +else + obj-m := udlfb.o +endif diff --git a/recipes/libdlo/kernel-module-udlfb/dlfb.h b/recipes/libdlo/kernel-module-udlfb/dlfb.h new file mode 100644 index 0000000000..fdc33ca1c4 --- /dev/null +++ b/recipes/libdlo/kernel-module-udlfb/dlfb.h @@ -0,0 +1,234 @@ +#define MAX_VMODES 4 +#define FB_BPP 16 + +#define AF_CONTROL "\xAF\x20\xFF\x00\xAF\x20\x20\x00\xAF\x20\x21\0\xAF\x20\x22\0\xAF\x20\x26\x28\xAF\x20\x27\x00\xAF\x20\x28\x00\xAF\x20\xFF\xFF\xAF\xA0" +#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 + +// Data (and color functions) taken from libdlo (http://freedesktop.org/wiki/Software/libdlo) + + +/** Return red/green component of a 16 bpp colour number. */ +#define DLO_RG16(red, grn) (uint8_t)((((red) & 0xF8) | ((grn) >> 5)) & 0xFF) + +/** Return green/blue component of a 16 bpp colour number. */ +#define DLO_GB16(grn, blu) (uint8_t)(((((grn) & 0x1C) << 3) | ((blu) >> 3)) & 0xFF) + +/** Return 8 bpp colour number from red, green and blue components. */ +#define DLO_RGB8(red, grn, blu) ((((red) << 5) | (((grn) & 3) << 3) | ((blu) & 7)) & 0xFF) + +/** Return a 32 bpp colour number when given the three RGB components. */ +#define DLO_RGB(red,grn,blu) (u32)(((red) & 0xFF) | (((grn) & 0xFF) << 8) | (((blu) & 0xFF) << 16)) + +/** Read the red component (0..255) of a 32 bpp colour. */ +#define DLO_RGB_GETRED(col) (uint8_t)((col) & 0xFF) + +/** Read the green component (0..255) of a 32 bpp colour. */ +#define DLO_RGB_GETGRN(col) (uint8_t)(((col) >> 8) & 0xFF) + +/** Read the blue component (0..255) of a 32 bpp colour. */ +#define DLO_RGB_GETBLU(col) (uint8_t)(((col) >> 16) & 0xFF) + + +static u32 read_pixel_565(const uint8_t * const ptr, const bool swap) +{ + u32 col; + uint16_t *pix = (uint16_t *)ptr; + uint8_t red, grn, blu; + + col = *pix; + red = (col & 0x001F) << 3; + grn = (col & 0x07E0) >> 3; + blu = (col & 0xF800) >> 8; + red = red | (red >> 5); + grn = grn | (grn >> 5); + blu = blu | (blu >> 5); + + return swap ? DLO_RGB(blu, grn, red) : DLO_RGB(red, grn, blu); +} + +static u16 rgb16(u32 col) +{ + uint8_t red = DLO_RGB_GETRED(col); + uint8_t grn = DLO_RGB_GETGRN(col); + uint8_t blu = DLO_RGB_GETBLU(col); + + return (DLO_RG16(red, grn) << 8) + DLO_GB16(grn, blu); +} + + + +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; + struct mutex bulk_mutex; + char edid[128]; + int screen_size; + int line_length; +}; + + +struct dlfb_video_mode { + + int width ; + int height; + int bpp; + int hz; + + char enable_data[146]; + char data[146]; +}; + +struct dlfb_video_mode dlfb_video_modes[MAX_VMODES] ; + +static void dlfb_bulk_callback(struct urb *urb) { + + struct dlfb_data *dev_info = urb->context; + + mutex_unlock(&dev_info->bulk_mutex); + +} + +static int dlfb_bulk_msg(struct dlfb_data *dev_info, int len) { + + int clen; + + /* + mutex_lock(&dev_info->bulk_mutex); + + usb_fill_bulk_urb(dev_info->tx_urb, dev_info->udev, usb_sndbulkpipe(dev_info->udev, 1), dev_info->buf, len, dlfb_bulk_callback, dev_info); + + dev_info->tx_urb->actual_length = 0; + + return usb_submit_urb(dev_info->tx_urb, GFP_NOIO); + */ + + return usb_bulk_msg(dev_info->udev, usb_sndbulkpipe(dev_info->udev, 1), dev_info->buf, len, &clen, 0); +} + + + +void dlfb_init_modes(void) { + + dlfb_video_modes[0].width = 800 ; + dlfb_video_modes[0].height = 480 ; + dlfb_video_modes[0].bpp = 16 ; + dlfb_video_modes[0].hz = 60 ; + memcpy(dlfb_video_modes[0].enable_data,"\x7A\x12\x36\x0B\xEF\x21\x74\xD1\xF0\x06\x8F\x38\xE8\x71\xB4\xCE",16); + memcpy(dlfb_video_modes[0].data,"" \ + "\x78\x67\x19\xF3\xB3\xD6\x5D\x7B\x4C\xCA\x26\x78\x41\x19\x19\xAC" \ + "\xFF\x38\xB3\x10\x71\x89\x6A\xEC\xA8\xC1\x4F\x1F\x77\x86\x5D\x7E" \ + "\xCE\xAF\x65\x7D\xFC\x30\x51\x67\x1F\x48\x30\x8E\x7A\x4B\x8A\xD4" \ + "\xCB\x62\x45\x58\x5C\x22\x1D\x56\x6E\x2F\x60\xE2\x06\x6D\xA1\xE3" \ + "\x82\x5F\x67\x95\x7A\x9F\x87\x43\xD8\x33\xEF\x0B\x5A\xDA\x09\x4F" \ + "\xD7\x25\x6F\xBC\xF8\xC7\x09\x9C\x12\xC3\xA7\x6F\xE7\xED\xA8\x70" \ + "\x8C\xB9\x65\x53\xDD\xA6\x7D\xDE\xD9\x4F\xDD\xD4\x6F\x28\xD6\x14" \ + "\xDC\x2D\x41\x53\x33\xD9\x0A\x86\x11\x3C\x41\x5A\x56\x48\xF9\x85" \ + "\x2B\x2F\x22\x66\x20\x39\xDA\xA1\x50\xCB\x5A\x58\x7D\x97\xFA\x2C" \ + "\x64\x9D",146); + + dlfb_video_modes[1].width = 1024 ; + dlfb_video_modes[1].height = 768 ; + dlfb_video_modes[1].bpp = 16 ; + dlfb_video_modes[1].hz = 60 ; + memcpy(dlfb_video_modes[1].enable_data,"\xB6\xF8\xFC\x00\xF3\xE4\x81\x1E\xC5\x60\xA3\x79\xE5\x35\xC5\x15",16); + memcpy(dlfb_video_modes[1].data,"" \ + "\xDD\x2A\x3A\x49\xE9\x99\xE3\xC8\xA0\xBA\x23\x3A\x3D\xEB\x21\xE4" \ + "\xA5\x54\x25\x0D\x51\xCC\xE6\x52\xA7\xD7\xCD\xFA\xD5\x9B\x5B\x41" \ + "\x0B\x49\xAB\xC6\xE3\x1A\xF2\x87\x81\x32\xF0\x3E\x40\x00\x51\x40" \ + "\x9E\x94\xF1\x22\xEE\xAC\xB2\xA2\x6B\x4D\xC4\x41\x5A\x9C\x45\x62" \ + "\x4F\x4E\x61\xDB\x1F\x0E\x79\x66\xE2\x20\x83\x9E\x2C\xAB\x28\x38" \ + "\xAC\xC1\x22\x81\xA5\x69\xFD\xFB\x26\x15\xF9\xC9\xFA\x90\xF2\x66" \ + "\x85\xC5\xAA\xA6\x4D\x8B\xC8\xA6\x03\x32\xDF\x98\xA9\x77\x9E\x57" \ + "\xEA\xC9\x9E\x29\xED\xFC\xC4\x78\x26\x0B\x2E\xC2\x41\x7C\x4A\xA3" \ + "\xAB\x66\x01\xA0\xE5\xA4\x8B\x80\xA0\x53\xE5\x5D\x59\x63\x62\xE8" \ + "\xFE\x6B",146); + + dlfb_video_modes[2].width = 1280 ; + dlfb_video_modes[2].height = 1024 ; + dlfb_video_modes[2].bpp = 16 ; + dlfb_video_modes[2].hz = 60 ; + memcpy(dlfb_video_modes[2].enable_data,"\x6A\xF0\x37\x50\x63\xEF\xD2\xA9\x6F\x75\x72\xBB\xC7\x7B\x6F\x1A",16); + memcpy(dlfb_video_modes[2].data,"" \ + "\x23\x4A\x78\x7C\xD1\xB8\x0E\x6B\x15\x93\x96\x77\x78\x44\xCC\x16" \ + "\x7F\xE3\xD7\x39\x3F\x2E\x99\xD2\xB9\x68\x8E\xC4\x1A\x9B\xF4\x35" \ + "\x61\xB5\x48\x5C\x94\xA6\x84\xB2\x88\x2B\x47\x84\x84\x73\x7F\x2C" \ + "\xD0\xC4\x3D\x5D\x20\x61\x4A\xB1\x73\x4C\xDD\x6A\xB4\xFD\xE9\x94" \ + "\x3C\xD1\x44\x0A\x08\xCD\xF5\xE5\xBD\x0D\x99\xCD\x9C\x2A\xC9\x06" \ + "\x1D\x22\x1C\xB1\x9A\x94\x95\x65\x3C\x43\x19\x73\x83\xF7\x51\x1F" \ + "\x5C\x3C\xE1\x59\xD5\xC3\xF2\x27\x28\xCE\x22\x7B\x2A\x70\x04\xE4" \ + "\xD9\xFE\x8A\x6E\x28\x27\xC5\x40\x4E\xF8\x83\x5B\x82\x41\xA6\x62" \ + "\xC1\x73\x3A\x5C\xF6\x90\x43\x39\xF2\xF5\x74\x80\x74\x44\xBD\xB1" \ + "\x08\x53",146); + + dlfb_video_modes[3].width = 1400 ; + dlfb_video_modes[3].height = 1050 ; + dlfb_video_modes[3].bpp = 16 ; + dlfb_video_modes[3].hz = 60 ; + memcpy(dlfb_video_modes[3].enable_data,"\x95\xCB\x91\xE5\xA8\x28\xFB\x87\xD5\x92\x1C\x44\x66\x57\x8A\x98",16); + memcpy(dlfb_video_modes[3].data,"" \ + "\xC6\x8C\x42\x4C\x95\xDA\xB4\x2F\xBD\xD9\x9E\xAD\x8F\x7B\x69\x15" \ + "\x1B\xDA\x06\x79\x23\x9E\x94\xF2\xC2\xE9\xBB\x34\x13\x6B\x9B\xB2" \ + "\xC1\x4E\xD8\x69\x81\x49\x6E\x64\xAF\xB2\x4E\x69\x24\x1A\xA8\xBB" \ + "\x4E\x11\x75\x38\xE6\xC9\x3D\xE9\x9A\xCC\x3B\xAA\x1F\xC4\x97\xD5" \ + "\x4A\x9D\xAA\xE7\x04\xF0\xB6\xD4\xBD\xE4\x41\xCF\xF8\xA2\x77\x0B" \ + "\x46\x9D\x3A\xBD\x73\xC0\x64\x76\x84\x2B\xD7\x11\xF3\x43\xB5\xF6" \ + "\xE9\x0B\xB3\x4E\x2B\x80\x98\x15\xDC\xDA\x46\xE8\xEC\xBD\x0B\x0E" \ + "\x64\x20\xF7\x17\x17\x33\x75\xBA\x30\x26\xDD\xFA\xA0\x99\x23\x11" \ + "\xF1\xDE\x80\xB7\xD6\xB0\xB7\xA2\xA9\xBD\x6D\x29\x42\x74\x75\x73" \ + "\xC5\x27",146); + +} + +int dlfb_set_video_mode(struct dlfb_data *dev_info, int width, int height) { + + int i, ret; + + for(i=0;i<MAX_VMODES;i++) { + printk("INIT VIDEO %d %d %d\n",i, dlfb_video_modes[i].width, dlfb_video_modes[i].height); + if (dlfb_video_modes[i].width == width && dlfb_video_modes[i].height == height) { + + 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); + + memcpy(dev_info->buf, AF_CONTROL, sizeof(AF_CONTROL)-1); + ret = dlfb_bulk_msg(dev_info, sizeof(AF_CONTROL)-1); + printk("ret bulk 1: %d\n", ret); + + + memcpy(dev_info->buf, &dlfb_video_modes[i].enable_data, 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 2: %d\n", ret); + + + // MODE_DATA + memcpy(dev_info->buf, &dlfb_video_modes[i].data, 146); + ret = dlfb_bulk_msg(dev_info, 146); + printk("ret bulk 2: %d\n", ret); + + memcpy(dev_info->buf, STD_CHANNEL, sizeof(STD_CHANNEL)-1); + ret = usb_control_msg(dev_info->udev, usb_sndctrlpipe(dev_info->udev, 0), 0x12, (0x02 << 5), 0, 0, dev_info->buf, sizeof(STD_CHANNEL)-1, 0); + printk("ret control msg 3: %d\n", ret); + + // 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 ; +} diff --git a/recipes/libdlo/kernel-module-udlfb/udlfb.c b/recipes/libdlo/kernel-module-udlfb/udlfb.c new file mode 100644 index 0000000000..32f2b30134 --- /dev/null +++ b/recipes/libdlo/kernel-module-udlfb/udlfb.c @@ -0,0 +1,664 @@ +/***************************************************************************** + * DLFB Kernel Driver * + * Version 0.2rc1 (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 * + * * + * * + * 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 "dlfb.h" + + +#define DRIVER_VERSION "DLFB 0.2rc2" + + +// 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; +}; + +/* + +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; + +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; + u32 col; + u16 dlocol ; + + + char *bufptr ; + + if (x+width > dev_info->info->var.xres) { + return -EINVAL; + } + + if (y+height > dev_info->info->var.yres) { + return -EINVAL; + } + + + base = (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 ; + } + + *bufptr++ = 0xAF ; + *bufptr++ = 0x68 ; + + *bufptr++ = (char)(base >> 16) ; + *bufptr++ = (char)(base >> 8) ; + *bufptr++ = (char)(base) ; + + if (rem > 255) { + *bufptr++ = 255 ; + for(j=0;j<510;j+=2) { + col = read_pixel_565(data+j, 1); + dlocol = ntohs(rgb16(col)); + memcpy(bufptr, &dlocol, 2); + bufptr+=2; + } + rem-=255; + base+=510; + data+= 510; + } + else { + *bufptr++ = rem ; + for(j=0;j<rem*2;j+=2) { + col = read_pixel_565(data+j, 1); + dlocol = ntohs(rgb16(col)); + memcpy(bufptr, &dlocol, 2); + bufptr+=2; + } + base+= rem*2 ; + data+= rem*2; + rem = 0 ; + } + + } + + 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); + } + + 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,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; + } + + base = (dev_info->info->var.xres*2*y)+(x*2) ; + + 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 ; + + 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); + } + + 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; + } + + base = (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++) { + + 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); + } + + + return 1; +} + +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); + +} + +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); +} + +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, ®ion->color, 1); + memcpy(&green, ®ion->color+1, 1); + memcpy(&blue, ®ion->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->par; + struct dloarea *area ; + + + 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 ; + + //printk("REDRAW IOCTL %d %d %d %d\n", area->x, area->y, area->w, area->h); + + image_blit(dev, area->x, area->y, area->w, area->h, info->screen_base); + 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 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, +}; + +static int dlfb_probe(struct usb_interface *interface, const struct usb_device_id *id) +{ + struct dlfb_data *dev_info ; + struct fb_info *info; + int i ; + + 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 ; + + + 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]); + + 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]; + } + + 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) { + goto out; + } + + printk("found valid mode...\n"); + + 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"); + //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) ; + memcpy(info->fix.id,"DisplayLink FB",14); + 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); + + 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); + framebuffer_release(dev_info->info); + } + + usb_set_intfdata(interface, NULL); + usb_put_dev(dev_info->udev); + 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/recipes/libdlo/libdlo_git.bb b/recipes/libdlo/libdlo_git.bb new file mode 100644 index 0000000000..290dcf1aca --- /dev/null +++ b/recipes/libdlo/libdlo_git.bb @@ -0,0 +1,21 @@ +DESCRIPTION = "Library for controlling displaylink based usb devices" +LICENSE = "LGPLv2" + +SRCREV = "d50f082699787c3c6531df431b35c9ad52a82667" +PV = "0.1.0" +PR_append = "+gitr${SRCREV}" + +SRC_URI = "git://anongit.freedesktop.org/libdlo;protocol=git" +S = "${WORKDIR}/git" + +inherit lib_package autotools_stage +AUTOTOOLS_STAGE_PKGCONFIG = "1" + +do_configure_prepend() { + sed -i -e s:63:61: configure.ac +} + +do_install_append() { + mv ${D}${bindir}/test1 ${D}${bindir}/libdlo-test1 +} + |