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| True | False | - | Line | Source |
| 1 | /* | |||
| 2 | * linux/drivers/video/dummycon.c -- A dummy console driver | |||
| 3 | * | |||
| 4 | * To be used if there's no other console driver (e.g. for plain VGA text) | |||
| 5 | * available, usually until fbcon takes console over. | |||
| 6 | */ | |||
| 7 | ||||
| 8 | #include <linux/types.h> | |||
| 9 | #include <linux/kdev_t.h> | |||
| 10 | #include <linux/tty.h> | |||
| 11 | #include <linux/console.h> | |||
| 12 | #include <linux/vt_kern.h> | |||
| 13 | #include <linux/init.h> | |||
| 14 | #include <linux/module.h> | |||
| 15 | ||||
| 16 | /* | |||
| 17 | * Dummy console driver | |||
| 18 | */ | |||
| 19 | ||||
| 20 | #if defined(__arm__) | |||
| 21 | #define DUMMY_COLUMNS ORIG_VIDEO_COLS | |||
| 22 | #define DUMMY_ROWS ORIG_VIDEO_LINES | |||
| 23 | #elif defined(__hppa__) | |||
| 24 | /* set by Kconfig. Use 80x25 for 640x480 and 160x64 for 1280x1024 */ | |||
| 25 | #include <linux/config.h> | |||
| 26 | #define DUMMY_COLUMNS CONFIG_DUMMY_CONSOLE_COLUMNS | |||
| 27 | #define DUMMY_ROWS CONFIG_DUMMY_CONSOLE_ROWS | |||
| 28 | #else | |||
| 29 | #define DUMMY_COLUMNS 80 | |||
| 30 | #define DUMMY_ROWS 25 | |||
| 31 | #endif | |||
| 32 | ||||
| 0 | 0 | - | 33 | static const char *dummycon_startup(void) |
| 34 | { | |||
| 0 | - | 35 | return "dummy device"; | |
| 36 | } | |||
| 37 | ||||
| 0 | 0 | - | 38 | static void dummycon_init(struct vc_data *vc, int init) |
| 39 | { | |||
| 40 | vc->vc_can_do_color = 1; | |||
| 0 | 0 | - | 41 | if (init) { |
| 42 | vc->vc_cols = DUMMY_COLUMNS; | |||
| 43 | vc->vc_rows = DUMMY_ROWS; | |||
| 44 | } else | |||
| 45 | vc_resize(vc, DUMMY_COLUMNS, DUMMY_ROWS); | |||
| 46 | } | |||
| 47 | ||||
| 0 | 0 | - | 48 | static int dummycon_dummy(void) |
| 49 | { | |||
| 0 | - | 50 | return 0; | |
| 51 | } | |||
| 52 | ||||
| 53 | #define DUMMY (void *)dummycon_dummy | |||
| 54 | ||||
| 55 | /* | |||
| 56 | * The console `switch' structure for the dummy console | |||
| 57 | * | |||
| 58 | * Most of the operations are dummies. | |||
| 59 | */ | |||
| 60 | ||||
| 61 | const struct consw dummy_con = { | |||
| 62 | .owner = THIS_MODULE, | |||
| 63 | .con_startup = dummycon_startup, | |||
| 64 | .con_init = dummycon_init, | |||
| 65 | .con_deinit = DUMMY, | |||
| 66 | .con_clear = DUMMY, | |||
| 67 | .con_putc = DUMMY, | |||
| 68 | .con_putcs = DUMMY, | |||
| 69 | .con_cursor = DUMMY, | |||
| 70 | .con_scroll = DUMMY, | |||
| 71 | .con_bmove = DUMMY, | |||
| 72 | .con_switch = DUMMY, | |||
| 73 | .con_blank = DUMMY, | |||
| 74 | .con_font_set = DUMMY, | |||
| 75 | .con_font_get = DUMMY, | |||
| 76 | .con_font_default = DUMMY, | |||
| 77 | .con_font_copy = DUMMY, | |||
| 78 | .con_set_palette = DUMMY, | |||
| 79 | .con_scrolldelta = DUMMY, | |||
| 80 | }; | |||
| ***TER 0% (0/7) of SOURCE FILE dummycon.c | ||||