| /* |
| * Copyright 2012 Google Inc. |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but without any warranty; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #include <assert.h> |
| #include <libpayload.h> |
| #include <sysinfo.h> |
| #include <vboot_api.h> |
| #include <vboot_struct.h> |
| |
| #include "base/cleanup_funcs.h" |
| #include "drivers/video/coreboot_fb.h" |
| #include "image/fmap.h" |
| #include "vboot/util/commonparams.h" |
| #include "vboot/util/display.h" |
| |
| static VbootDisplayOps *display_ops; |
| |
| static int display_cleanup(struct CleanupFunc *cleanup, CleanupType type) |
| { |
| if (display_ops != NULL && display_ops->stop != NULL) |
| return display_ops->stop(); |
| return 0; |
| } |
| |
| static CleanupFunc display_cleanup_func = { |
| .cleanup = &display_cleanup, |
| .types = CleanupOnHandoff, |
| }; |
| |
| void display_set_ops(VbootDisplayOps *ops) |
| { |
| die_if(display_ops, "%s: Display ops already set.\n", __func__); |
| display_ops = ops; |
| |
| /* Call stop() when exiting depthcharge. */ |
| list_insert_after(&display_cleanup_func.list_node, &cleanup_funcs); |
| } |
| |
| VbError_t display_init(void) |
| { |
| if (display_ops != NULL && display_ops->init != NULL) |
| return display_ops->init(); |
| |
| return VBERROR_SUCCESS; |
| } |
| |
| static VbError_t backlight_update(uint8_t enable) |
| { |
| if (display_ops != NULL && display_ops->backlight_update != NULL) |
| return display_ops->backlight_update(enable); |
| |
| printf("VbExDisplayBacklight called but not implemented.\n"); |
| return VBERROR_SUCCESS; |
| } |
| |
| VbError_t VbExDisplayInit(uint32_t *width, uint32_t *height) |
| { |
| VbError_t ret = display_init(); |
| |
| if (ret != VBERROR_SUCCESS) |
| return ret; |
| |
| video_init(); |
| video_console_cursor_enable(0); |
| |
| if (gbb_copy_in_bmp_block()) |
| return VBERROR_UNKNOWN; |
| |
| if (lib_sysinfo.framebuffer) { |
| *width = lib_sysinfo.framebuffer->x_resolution; |
| *height = lib_sysinfo.framebuffer->y_resolution; |
| } else { |
| *width = *height = 0; |
| } |
| return VBERROR_SUCCESS; |
| } |
| |
| VbError_t VbExDisplayBacklight(uint8_t enable) |
| { |
| return backlight_update(enable); |
| } |
| |
| static void print_string(const char *str) |
| { |
| int str_len = strlen(str); |
| while (str_len--) { |
| if (*str == '\n') |
| video_console_putchar('\r'); |
| video_console_putchar(*str++); |
| } |
| } |
| |
| void print_on_center(const char *msg) |
| { |
| unsigned int rows, cols; |
| video_get_rows_cols(&rows, &cols); |
| video_console_set_cursor((cols - strlen(msg)) / 2, rows / 2); |
| print_string(msg); |
| } |
| |
| VbError_t VbExDisplayScreen(uint32_t screen_type) |
| { |
| const char *msg = NULL; |
| |
| /* |
| * Show the debug messages for development. It is a backup method |
| * when GBB does not contain a full set of bitmaps. |
| */ |
| switch (screen_type) { |
| case VB_SCREEN_BLANK: |
| // clear the screen |
| video_console_clear(); |
| break; |
| case VB_SCREEN_DEVELOPER_WARNING: |
| msg = "developer mode warning"; |
| break; |
| case VB_SCREEN_DEVELOPER_EGG: |
| msg = "easter egg"; |
| break; |
| case VB_SCREEN_RECOVERY_REMOVE: |
| msg = "remove inserted devices"; |
| break; |
| case VB_SCREEN_RECOVERY_INSERT: |
| msg = "insert recovery image"; |
| break; |
| case VB_SCREEN_RECOVERY_NO_GOOD: |
| msg = "insert image invalid"; |
| break; |
| case VB_SCREEN_WAIT: |
| msg = "wait for ec update"; |
| break; |
| default: |
| printf("Not a valid screen type: %d.\n", screen_type); |
| return VBERROR_INVALID_SCREEN_INDEX; |
| } |
| |
| if (msg) |
| print_on_center(msg); |
| |
| return VBERROR_SUCCESS; |
| } |
| |
| VbError_t VbExDisplayImage(uint32_t x, uint32_t y, |
| void *buffer, uint32_t buffersize) |
| { |
| if (dc_corebootfb_draw_bitmap(x, y, buffer)) |
| return VBERROR_UNKNOWN; |
| |
| return VBERROR_SUCCESS; |
| } |
| |
| VbError_t VbExDisplaySetDimension(uint32_t width, uint32_t height) |
| { |
| // TODO(hungte) Shift or scale images if width/height is not equal to |
| // lib_sysinfo.framebuffer->{x,y}_resolution. |
| return VBERROR_SUCCESS; |
| } |
| |
| enum { |
| VDAT_RW_A = 0x0, |
| VDAT_RW_B = 0x1, |
| VDAT_RECOVERY = 0xFF, |
| VDAT_UNKNOWN = 0x100 |
| }; |
| |
| VbError_t VbExDisplayDebugInfo(const char *info_str) |
| { |
| video_console_set_cursor(0, 0); |
| print_string(info_str); |
| |
| print_string("read-only firmware id: "); |
| if (!fmap_ro_fwid()) { |
| print_string("NOT FOUND"); |
| } else { |
| print_string(fmap_ro_fwid()); |
| } |
| |
| void *blob; |
| int size; |
| int fw_index = VDAT_UNKNOWN; |
| if (find_common_params(&blob, &size) == 0) |
| fw_index = ((VbSharedDataHeader *)blob)->firmware_index; |
| |
| print_string("\nactive firmware id: "); |
| switch (fw_index) { |
| case VDAT_RW_A: |
| if (fmap_rwa_fwid()) |
| print_string(fmap_rwa_fwid()); |
| else |
| print_string("RW A: ID NOT FOUND"); |
| break; |
| case VDAT_RW_B: |
| if (fmap_rwb_fwid()) |
| print_string(fmap_rwb_fwid()); |
| else |
| print_string("RW B: ID NOT FOUND"); |
| break; |
| case VDAT_RECOVERY: |
| if (fmap_ro_fwid()) |
| print_string(fmap_ro_fwid()); |
| else |
| print_string("RO: ID NOT FOUND"); |
| break; |
| default: |
| print_string("NOT FOUND"); |
| } |
| print_string("\n"); |
| return VBERROR_SUCCESS; |
| } |