bsps/lm32: Move shared drivers to bsps

This patch is a part of the BSP source reorganization.

Update #3285.

1 files changed, 0 insertions, 251 deletions

diff --git a/c/src/lib/libbsp/lm32/shared/milkymist_framebuffer/framebuffer.c b/c/src/lib/libbsp/lm32/shared/milkymist_framebuffer/framebuffer.c
deleted file mode 100644
index 8bbd44ae0c..0000000000
--- a/c/src/lib/libbsp/lm32/shared/milkymist_framebuffer/framebuffer.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/*  framebuffer.c
- *
- *  This file is the framebuffer driver for the Milkymist VGA IP-core
- *  This VGA Core is a part of Milkymist System-on-Chip
- *
- *  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.
- *
- *  COPYRIGHT (c) Yann Sionneau <yann.sionneau@telecom-sudparis.eu> (GSoC 2010)
- *  Telecom SudParis
- *  Copyright (c) 2011 Sebastien Bourdeauducq
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <rtems.h>
-#include <bsp.h>
-#include "../include/system_conf.h"
-#include <rtems/libio.h>
-#include <rtems/fb.h>
-#include <rtems/framebuffer.h>
-#include <rtems/bspIo.h>
-
-static unsigned short int framebufferA[1024*768]
-  __attribute__((aligned(32)));
-static unsigned short int framebufferB[1024*768]
-  __attribute__((aligned(32)));
-static unsigned short int framebufferC[1024*768]
-  __attribute__((aligned(32)));
-
-static unsigned short int *frontbuffer;
-static unsigned short int *backbuffer;
-static unsigned short int *lastbuffer;
-
-static struct fb_var_screeninfo fb_var = {
-  .xres                = 640,
-  .yres                = 480,
-  .bits_per_pixel      = 16
-};
-
-static struct fb_fix_screeninfo fb_fix = {
-  .smem_len            = 1024 * 768 * 2,
-  .type                = FB_TYPE_VGA_PLANES,
-  .visual              = FB_VISUAL_TRUECOLOR,
-  .line_length         = 80
-};
-
-static int get_fix_screen_info( struct fb_fix_screeninfo *info )
-{
-  *info = fb_fix;
-  return 0;
-}
-
-static int get_var_screen_info( struct fb_var_screeninfo *info )
-{
-  *info =  fb_var;
-  return 0;
-}
-
-static void init_buffers(void)
-{
-  frontbuffer = framebufferA;
-  backbuffer = framebufferB;
-  lastbuffer = framebufferC;
-}
-
-static void swap_buffers(void)
-{
-  unsigned short int *p;
-
-  /* Make sure last buffer swap has been executed */
-  while (MM_READ(MM_VGA_BASEADDRESS_ACT) != MM_READ(MM_VGA_BASEADDRESS));
-
-  p = frontbuffer;
-  frontbuffer = backbuffer;
-  backbuffer = lastbuffer;
-  lastbuffer = p;
-
-  fb_fix.smem_start = (volatile char *)backbuffer;
-  MM_WRITE(MM_VGA_BASEADDRESS, (unsigned int)frontbuffer);
-}
-
-static void set_video_mode(int mode)
-{
-  int hres, vres;
-  
-  MM_WRITE(MM_VGA_RESET, VGA_RESET);
-  hres = vres = 0;
-  switch(mode) {
-    case 0: // 640x480, pixel clock: 25MHz
-      hres = 640;
-      vres = 480;
-      MM_WRITE(MM_VGA_HSYNC_START, 656);
-      MM_WRITE(MM_VGA_HSYNC_END, 752);
-      MM_WRITE(MM_VGA_HSCAN, 799);
-      MM_WRITE(MM_VGA_VSYNC_START, 492);
-      MM_WRITE(MM_VGA_VSYNC_END, 494);
-      MM_WRITE(MM_VGA_VSCAN, 524);
-      MM_WRITE(MM_VGA_CLKSEL, 0);
-      break;
-    case 1: // 800x600, pixel clock: 50MHz
-      hres = 800;
-      vres = 600;
-      MM_WRITE(MM_VGA_HSYNC_START, 848);
-      MM_WRITE(MM_VGA_HSYNC_END, 976);
-      MM_WRITE(MM_VGA_HSCAN, 1040);
-      MM_WRITE(MM_VGA_VSYNC_START, 636);
-      MM_WRITE(MM_VGA_VSYNC_END, 642);
-      MM_WRITE(MM_VGA_VSCAN, 665);
-      MM_WRITE(MM_VGA_CLKSEL, 1);
-      break;
-    case 2: // 1024x768, pixel clock: 65MHz
-      hres = 1024;
-      vres = 768;
-      MM_WRITE(MM_VGA_HSYNC_START, 1048);
-      MM_WRITE(MM_VGA_HSYNC_END, 1184);
-      MM_WRITE(MM_VGA_HSCAN, 1344);
-      MM_WRITE(MM_VGA_VSYNC_START, 772);
-      MM_WRITE(MM_VGA_VSYNC_END, 778);
-      MM_WRITE(MM_VGA_VSCAN, 807);
-      MM_WRITE(MM_VGA_CLKSEL, 2);
-      break;
-  }
-  if((hres != 0) && (vres != 0)) {
-    MM_WRITE(MM_VGA_HRES, hres);
-    MM_WRITE(MM_VGA_VRES, vres);
-    fb_var.xres = hres;
-    fb_var.yres = vres;
-    memset(framebufferA, 0, hres*vres*2);
-    memset(framebufferB, 0, hres*vres*2);
-    memset(framebufferC, 0, hres*vres*2);
-    MM_WRITE(MM_VGA_BURST_COUNT, hres*vres/16);
-    MM_WRITE(MM_VGA_RESET, 0);
-  } /* otherwise, leave the VGA controller in reset */
-}
-
-rtems_device_driver frame_buffer_initialize(
-  rtems_device_major_number major,
-  rtems_device_minor_number minor,
-  void *arg
-)
-{
-  rtems_status_code status;
-
-  init_buffers();
-  fb_fix.smem_start = (volatile char *)frontbuffer;
-  MM_WRITE(MM_VGA_BASEADDRESS, (unsigned int)frontbuffer);
-
-  status = rtems_io_register_name(FRAMEBUFFER_DEVICE_0_NAME, major, 0);
-  if (status != RTEMS_SUCCESSFUL) {
-    printk("Error registering frame buffer device!\n");
-    rtems_fatal_error_occurred( status );
-  }
-
-  return RTEMS_SUCCESSFUL;
-}
-
-rtems_device_driver frame_buffer_close(
-  rtems_device_major_number major,
-  rtems_device_minor_number minor,
-  void *arg
-)
-{
-  return RTEMS_SUCCESSFUL;
-}
-
-rtems_device_driver frame_buffer_open(
-  rtems_device_major_number major,
-  rtems_device_minor_number minor,
-  void *arg
-)
-{
-  return RTEMS_SUCCESSFUL;
-}
-
-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 = ((rw_args->offset + rw_args->count) > fb_fix.smem_len)
-    ? (fb_fix.smem_len - rw_args->offset) : rw_args->count;
-  memcpy(rw_args->buffer, (const void *)(fb_fix.smem_start + rw_args->offset),
-    rw_args->bytes_moved);
-  return RTEMS_SUCCESSFUL;
-}
-
-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 = ((rw_args->offset + rw_args->count) > fb_fix.smem_len)
-     ? (fb_fix.smem_len - rw_args->offset) : rw_args->count;
-  memcpy((void *)(fb_fix.smem_start + rw_args->offset), rw_args->buffer,
-    rw_args->bytes_moved);
-  return RTEMS_SUCCESSFUL;
-}
-
-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;
-
-  switch (args->command) {
-    case FBIOGET_FSCREENINFO:
-      args->ioctl_return =
-        get_fix_screen_info((struct fb_fix_screeninfo *)args->buffer);
-      return RTEMS_SUCCESSFUL;
-    case FBIOGET_VSCREENINFO:
-      args->ioctl_return =
-        get_var_screen_info((struct fb_var_screeninfo *)args->buffer);
-      return RTEMS_SUCCESSFUL;
-    case FBIOSWAPBUFFERS:
-      swap_buffers();
-      args->ioctl_return = 0;
-      return RTEMS_SUCCESSFUL;
-    case FBIOSETBUFFERMODE:
-      args->ioctl_return = 0;
-      switch ((unsigned int)args->buffer) {
-        case FB_SINGLE_BUFFERED:
-          init_buffers();
-          fb_fix.smem_start = (volatile char *)frontbuffer;
-          MM_WRITE(MM_VGA_BASEADDRESS, (unsigned int)frontbuffer);
-          return RTEMS_SUCCESSFUL;
-        case FB_TRIPLE_BUFFERED:
-          fb_fix.smem_start = (volatile char *)backbuffer;
-          return RTEMS_SUCCESSFUL;
-        default:
-          return RTEMS_UNSATISFIED;
-      }
-    case FBIOSETVIDEOMODE:
-      set_video_mode((int)args->buffer);
-      return RTEMS_SUCCESSFUL;
-    default:
-      args->ioctl_return = -1;
-      return RTEMS_UNSATISFIED;
-  }
-}
-