2N/A/*
2N/A * GRUB -- GRand Unified Bootloader
2N/A * Copyright (C) 2005,2006,2007,2008,2009,2010,2011 Free Software Foundation, Inc.
2N/A *
2N/A * GRUB is free software: you can redistribute it and/or modify
2N/A * it under the terms of the GNU General Public License as published by
2N/A * the Free Software Foundation, either version 3 of the License, or
2N/A * (at your option) any later version.
2N/A *
2N/A * GRUB is distributed in the hope that it will be useful,
2N/A * but WITHOUT ANY WARRANTY; without even the implied warranty of
2N/A * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2N/A * GNU General Public License for more details.
2N/A *
2N/A * You should have received a copy of the GNU General Public License
2N/A * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
2N/A */
2N/A
2N/A#define grub_video_render_target grub_video_fbrender_target
2N/A
2N/A#include <grub/err.h>
2N/A#include <grub/types.h>
2N/A#include <grub/dl.h>
2N/A#include <grub/misc.h>
2N/A#include <grub/mm.h>
2N/A#include <grub/video.h>
2N/A#include <grub/video_fb.h>
2N/A#include <grub/pci.h>
2N/A#include <grub/vga.h>
2N/A
2N/A#define GRUB_RADEON_FULOONG2E_TOTAL_MEMORY_SPACE 1048576
2N/A
2N/Astatic struct
2N/A{
2N/A struct grub_video_mode_info mode_info;
2N/A struct grub_video_render_target *render_target;
2N/A
2N/A grub_uint8_t *ptr;
2N/A int mapped;
2N/A grub_uint32_t base;
2N/A grub_pci_device_t dev;
2N/A} framebuffer;
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_radeon_fuloong2e_video_init (void)
2N/A{
2N/A /* Reset frame buffer. */
2N/A grub_memset (&framebuffer, 0, sizeof(framebuffer));
2N/A
2N/A return grub_video_fb_init ();
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_radeon_fuloong2e_video_fini (void)
2N/A{
2N/A if (framebuffer.mapped)
2N/A grub_pci_device_unmap_range (framebuffer.dev, framebuffer.ptr,
2N/A GRUB_RADEON_FULOONG2E_TOTAL_MEMORY_SPACE);
2N/A
2N/A return grub_video_fb_fini ();
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_radeon_fuloong2e_setup (unsigned int width, unsigned int height,
2N/A unsigned int mode_type, unsigned int mode_mask __attribute__ ((unused)))
2N/A{
2N/A int depth;
2N/A grub_err_t err;
2N/A int found = 0;
2N/A
2N/A#ifndef TEST
2N/A auto int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused)));
2N/A int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused)))
2N/A {
2N/A grub_pci_address_t addr;
2N/A grub_uint32_t class;
2N/A
2N/A addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
2N/A class = grub_pci_read (addr);
2N/A
2N/A if (((class >> 16) & 0xffff) != GRUB_PCI_CLASS_SUBCLASS_VGA
2N/A || pciid != 0x515a1002)
2N/A return 0;
2N/A
2N/A found = 1;
2N/A
2N/A addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0);
2N/A framebuffer.base = grub_pci_read (addr);
2N/A framebuffer.dev = dev;
2N/A
2N/A return 1;
2N/A }
2N/A
2N/A /* Decode depth from mode_type. If it is zero, then autodetect. */
2N/A depth = (mode_type & GRUB_VIDEO_MODE_TYPE_DEPTH_MASK)
2N/A >> GRUB_VIDEO_MODE_TYPE_DEPTH_POS;
2N/A
2N/A if ((width != 640 && width != 0) || (height != 480 && height != 0)
2N/A || (depth != 16 && depth != 0))
2N/A return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
2N/A "Only 1024x600x16 is supported");
2N/A
2N/A grub_pci_iterate (find_card);
2N/A if (!found)
2N/A return grub_error (GRUB_ERR_IO, "Couldn't find graphics card");
2N/A#endif
2N/A /* Fill mode info details. */
2N/A framebuffer.mode_info.width = 640;
2N/A framebuffer.mode_info.height = 480;
2N/A framebuffer.mode_info.mode_type = GRUB_VIDEO_MODE_TYPE_RGB;
2N/A framebuffer.mode_info.bpp = 16;
2N/A framebuffer.mode_info.bytes_per_pixel = 2;
2N/A framebuffer.mode_info.pitch = 640 * 2;
2N/A framebuffer.mode_info.number_of_colors = 256;
2N/A framebuffer.mode_info.red_mask_size = 5;
2N/A framebuffer.mode_info.red_field_pos = 11;
2N/A framebuffer.mode_info.green_mask_size = 6;
2N/A framebuffer.mode_info.green_field_pos = 5;
2N/A framebuffer.mode_info.blue_mask_size = 5;
2N/A framebuffer.mode_info.blue_field_pos = 0;
2N/A framebuffer.mode_info.reserved_mask_size = 0;
2N/A framebuffer.mode_info.reserved_field_pos = 0;
2N/A#ifndef TEST
2N/A framebuffer.mode_info.blit_format
2N/A = grub_video_get_blit_format (&framebuffer.mode_info);
2N/A#endif
2N/A
2N/A /* We can safely discard volatile attribute. */
2N/A#ifndef TEST
2N/A framebuffer.ptr
2N/A = (void *) grub_pci_device_map_range (framebuffer.dev,
2N/A framebuffer.base,
2N/A GRUB_RADEON_FULOONG2E_TOTAL_MEMORY_SPACE);
2N/A#endif
2N/A framebuffer.mapped = 1;
2N/A
2N/A /* Prevent garbage from appearing on the screen. */
2N/A grub_memset (framebuffer.ptr, 0x55,
2N/A framebuffer.mode_info.height * framebuffer.mode_info.pitch);
2N/A
2N/A#ifndef TEST
2N/A err = grub_video_fb_create_render_target_from_pointer (&framebuffer
2N/A .render_target,
2N/A &framebuffer.mode_info,
2N/A framebuffer.ptr);
2N/A
2N/A if (err)
2N/A return err;
2N/A
2N/A err = grub_video_fb_set_active_render_target (framebuffer.render_target);
2N/A
2N/A if (err)
2N/A return err;
2N/A
2N/A /* Copy default palette to initialize emulated palette. */
2N/A err = grub_video_fb_set_palette (0, GRUB_VIDEO_FBSTD_NUMCOLORS,
2N/A grub_video_fbstd_colors);
2N/A#endif
2N/A return err;
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_radeon_fuloong2e_swap_buffers (void)
2N/A{
2N/A /* TODO: Implement buffer swapping. */
2N/A return GRUB_ERR_NONE;
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_radeon_fuloong2e_set_active_render_target (struct grub_video_render_target *target)
2N/A{
2N/A if (target == GRUB_VIDEO_RENDER_TARGET_DISPLAY)
2N/A target = framebuffer.render_target;
2N/A
2N/A return grub_video_fb_set_active_render_target (target);
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_radeon_fuloong2e_get_info_and_fini (struct grub_video_mode_info *mode_info,
2N/A void **framebuf)
2N/A{
2N/A grub_memcpy (mode_info, &(framebuffer.mode_info), sizeof (*mode_info));
2N/A *framebuf = (char *) framebuffer.ptr;
2N/A
2N/A grub_video_fb_fini ();
2N/A
2N/A return GRUB_ERR_NONE;
2N/A}
2N/A
2N/Astatic struct grub_video_adapter grub_video_radeon_fuloong2e_adapter =
2N/A {
2N/A .name = "RADEON RV100 QZ (Fuloong2E) Video Driver",
2N/A .id = GRUB_VIDEO_DRIVER_RADEON_FULOONG2E,
2N/A
2N/A .prio = GRUB_VIDEO_ADAPTER_PRIO_NATIVE,
2N/A
2N/A .init = grub_video_radeon_fuloong2e_video_init,
2N/A .fini = grub_video_radeon_fuloong2e_video_fini,
2N/A .setup = grub_video_radeon_fuloong2e_setup,
2N/A .get_info = grub_video_fb_get_info,
2N/A .get_info_and_fini = grub_video_radeon_fuloong2e_get_info_and_fini,
2N/A .set_palette = grub_video_fb_set_palette,
2N/A .get_palette = grub_video_fb_get_palette,
2N/A .set_viewport = grub_video_fb_set_viewport,
2N/A .get_viewport = grub_video_fb_get_viewport,
2N/A .map_color = grub_video_fb_map_color,
2N/A .map_rgb = grub_video_fb_map_rgb,
2N/A .map_rgba = grub_video_fb_map_rgba,
2N/A .unmap_color = grub_video_fb_unmap_color,
2N/A .fill_rect = grub_video_fb_fill_rect,
2N/A .blit_bitmap = grub_video_fb_blit_bitmap,
2N/A .blit_render_target = grub_video_fb_blit_render_target,
2N/A .scroll = grub_video_fb_scroll,
2N/A .swap_buffers = grub_video_radeon_fuloong2e_swap_buffers,
2N/A .create_render_target = grub_video_fb_create_render_target,
2N/A .delete_render_target = grub_video_fb_delete_render_target,
2N/A .set_active_render_target = grub_video_radeon_fuloong2e_set_active_render_target,
2N/A .get_active_render_target = grub_video_fb_get_active_render_target,
2N/A
2N/A .next = 0
2N/A };
2N/A
2N/AGRUB_MOD_INIT(video_radeon_fuloong2e)
2N/A{
2N/A grub_video_register (&grub_video_radeon_fuloong2e_adapter);
2N/A}
2N/A
2N/AGRUB_MOD_FINI(video_radeon_fuloong2e)
2N/A{
2N/A grub_video_unregister (&grub_video_radeon_fuloong2e_adapter);
2N/A}