diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/nds/fb/fb.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/nds/fb/fb.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/c/src/lib/libbsp/arm/nds/fb/fb.c b/c/src/lib/libbsp/arm/nds/fb/fb.c deleted file mode 100644 index 8fdc380a49..0000000000 --- a/c/src/lib/libbsp/arm/nds/fb/fb.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * RTEMS for Nintendo DS framebuffer display driver. - * - * Copyright (c) 2008 by Matthieu Bucchianeri <mbucchia@gmail.com> - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * - * http://www.rtems.org/license/LICENSE - */ - -#include <stdlib.h> -#include <stdio.h> -#include <errno.h> -#include <sys/types.h> - -#include <bsp.h> -#include <rtems/irq.h> -#include <rtems/libio.h> -#include <nds.h> - -#include <rtems/fb.h> -#include <rtems/framebuffer.h> - -/* - * screen information for the driver (fb0). - */ - -static struct fb_var_screeninfo fb_var_info = { - .xres = SCREEN_WIDTH, /* screen size x, y */ - .yres = SCREEN_HEIGHT, - .bits_per_pixel = 16 /* bits per pixel */ -}; - -static struct fb_fix_screeninfo fb_fix_info = { - .smem_start = (void *) VRAM_A, /* buffer pointer */ - .smem_len = 0x18000, /* buffer size */ - .type = FB_TYPE_PACKED_PIXELS, /* type of dsplay */ - .visual = FB_VISUAL_TRUECOLOR, /* color scheme used */ - .line_length = SCREEN_WIDTH /* pixels per line (redundant with xres ?) */ -}; - -/* - * screen information for the driver (fb1). - */ - -static struct fb_var_screeninfo fb_var_info2 = { - .xres = SCREEN_WIDTH, /* screen size x, y */ - .yres = SCREEN_HEIGHT, - .bits_per_pixel = 16 /* bits per pixel */ -}; - -static struct fb_fix_screeninfo fb_fix_info2 = { - .smem_start = (void *) VRAM_B, /* buffer pointer */ - .smem_len = 0x18000, /* buffer size */ - .type = FB_TYPE_PACKED_PIXELS, /* type of dsplay */ - .visual = FB_VISUAL_TRUECOLOR, /* color scheme used */ - .line_length = SCREEN_WIDTH /* pixels per line (redundant with xres ?) */ -}; - - -/* - * fbds device driver initialize entry point. - */ - -rtems_device_driver -frame_buffer_initialize (rtems_device_major_number major, - rtems_device_minor_number minor, void *arg) -{ - rtems_status_code status; - - printk ("[+] framebuffer started\n"); - - /* register the devices */ - status = rtems_io_register_name (FRAMEBUFFER_DEVICE_0_NAME, major, 0); - if (status != RTEMS_SUCCESSFUL) { - printk ("[!] error registering framebuffer\n"); - rtems_fatal_error_occurred (status); - } - status = rtems_io_register_name (FRAMEBUFFER_DEVICE_NAME "1", major, 1); - if (status != RTEMS_SUCCESSFUL) { - printk ("[!] error registering framebuffer\n"); - rtems_fatal_error_occurred (status); - } - return RTEMS_SUCCESSFUL; -} - -/* - * fbds device driver open operation. - */ - -rtems_device_driver -frame_buffer_open (rtems_device_major_number major, - rtems_device_minor_number minor, void *arg) -{ - printk ("[#] entering graphic mode on fb%d\n", minor); - if (!minor) { - videoSetMode (MODE_FB0); - vramSetBankA (VRAM_A_LCD); - memset ((void *)fb_fix_info.smem_start, 0, fb_fix_info.smem_len); - } else { - videoSetModeSub (MODE_FB0); - vramSetBankB (VRAM_B_LCD); - memset ((void *)fb_fix_info2.smem_start, 0, fb_fix_info2.smem_len); - } - return RTEMS_SUCCESSFUL; -} - -/* - * fbds device driver close operation. - */ - -rtems_device_driver -frame_buffer_close (rtems_device_major_number major, - rtems_device_minor_number minor, void *arg) -{ - printk ("[#] leaving graphic mode on fb%d\n", minor); - if (!minor) { - memset ((void *)fb_fix_info.smem_start, 0, fb_fix_info.smem_len); - } - else { - memset ((void *)fb_fix_info2.smem_start, 0, fb_fix_info2.smem_len); - /* back to console */ - videoSetModeSub (MODE_0_2D | DISPLAY_BG0_ACTIVE); - vramSetBankC (VRAM_C_SUB_BG); - } - - return RTEMS_SUCCESSFUL; -} - -/* - * fbds device driver read operation. - */ - -rtems_device_driver -frame_buffer_read (rtems_device_major_number major, - rtems_device_minor_number minor, void *arg) -{ - rtems_libio_rw_args_t *rw_args = (rtems_libio_rw_args_t *) arg; - rw_args->bytes_moved = 0; - - return RTEMS_SUCCESSFUL; -} - -/* - * fbds device driver write operation. - */ - -rtems_device_driver -frame_buffer_write (rtems_device_major_number major, - rtems_device_minor_number minor, void *arg) -{ - rtems_libio_rw_args_t *rw_args = (rtems_libio_rw_args_t *) arg; - rw_args->bytes_moved = 0; - - return RTEMS_SUCCESSFUL; -} - -/* - * ioctl entry point. - */ - -rtems_device_driver -frame_buffer_control (rtems_device_major_number major, - rtems_device_minor_number minor, void *arg) -{ - rtems_libio_ioctl_args_t *args = arg; - - /* XXX check minor */ - - switch (args->command) { - case FBIOGET_VSCREENINFO: - memcpy (args->buffer, minor ? &fb_var_info2 : &fb_var_info, sizeof (fb_var_info)); - args->ioctl_return = 0; - break; - case FBIOGET_FSCREENINFO: - memcpy (args->buffer, minor ? &fb_fix_info2 : &fb_fix_info, sizeof (fb_fix_info)); - args->ioctl_return = 0; - break; - case FBIOGETCMAP: - args->ioctl_return = 0; /* XXX */ - break; - case FBIOPUTCMAP: - args->ioctl_return = 0; /* XXX */ - break; - - /* no break on purpose */ - default: - args->ioctl_return = 0; - break; - - } - return RTEMS_SUCCESSFUL; -} |