gwj / at91sam9263 · Commits

Commit f94f5d717c14d18e0a4af2b157ca5a231d7bcc38

Authored by pbrook
1 parent 3aa22b4b

Add support for raw AT keyboard scancodes. 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1749 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 3 changed files with 35 additions and 1 deletions
hw/pckbd.c
  View file @f94f5d7
... ... @@ -295,6 +295,7 @@ void kbd_write_data(void *opaque, uint32_t addr, uint32_t val)
295 295 break;
296 296 case KBD_CCMD_WRITE_MODE:
297 297 s->mode = val;
  298 + ps2_keyboard_set_translation(s->kbd, (s->mode & KBD_MODE_KCC) != 0);
298 299 /* ??? */
299 300 kbd_update_irq(s);
300 301 break;
... ...
hw/ps2.c
  View file @f94f5d7
... ... @@ -83,6 +83,10 @@ typedef struct {
83 83 typedef struct {
84 84 PS2State common;
85 85 int scan_enabled;
  86 + /* Qemu uses translated PC scancodes internally. To avoid multiple
  87 + conversions we do the translation (if any) in the PS/2 emulation
  88 + not the keyboard controller. */
  89 + int translate;
86 90 } PS2KbdState;
87 91  
88 92 typedef struct {
... ... @@ -99,6 +103,18 @@ typedef struct {
99 103 uint8_t mouse_buttons;
100 104 } PS2MouseState;
101 105  
  106 +/* Table to convert from PC scancodes to raw scancodes. */
  107 +static const unsigned char ps2_raw_keycode[128] = {
  108 + 0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13,
  109 + 21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27,
  110 + 35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42,
  111 + 50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88, 5, 6, 4, 12, 3,
  112 + 11, 2, 10, 1, 9,119,126,108,117,125,123,107,115,116,121,105,
  113 + 114,122,112,113,127, 96, 97,120, 7, 15, 23, 31, 39, 47, 55, 63,
  114 + 71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111,
  115 + 19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110
  116 +};
  117 +
102 118 void ps2_queue(void *opaque, int b)
103 119 {
104 120 PS2State *s = (PS2State *)opaque;
... ... @@ -115,7 +131,13 @@ void ps2_queue(void *opaque, int b)
115 131  
116 132 static void ps2_put_keycode(void *opaque, int keycode)
117 133 {
118   - PS2MouseState *s = opaque;
  134 + PS2KbdState *s = opaque;
  135 + if (!s->translate && keycode < 0xe0)
  136 + {
  137 + if (keycode & 0x80)
  138 + ps2_queue(&s->common, 0xf0);
  139 + keycode = ps2_raw_keycode[keycode & 0x7f];
  140 + }
119 141 ps2_queue(&s->common, keycode);
120 142 }
121 143  
... ... @@ -214,6 +236,16 @@ void ps2_write_keyboard(void *opaque, int val)
214 236 }
215 237 }
216 238  
  239 +/* Set the scancode translation mode.
  240 + 0 = raw scancodes.
  241 + 1 = translated scancodes (used by qemu internally). */
  242 +
  243 +void ps2_keyboard_set_translation(void *opaque, int mode)
  244 +{
  245 + PS2KbdState *s = (PS2KbdState *)opaque;
  246 + s->translate = mode;
  247 +}
  248 +
217 249 static void ps2_mouse_send_packet(PS2MouseState *s)
218 250 {
219 251 unsigned int b;
... ...
... ... @@ -969,6 +969,7 @@ void ps2_write_mouse(void *, int val);
969 969 void ps2_write_keyboard(void *, int val);
970 970 uint32_t ps2_read_data(void *);
971 971 void ps2_queue(void *, int b);
  972 +void ps2_keyboard_set_translation(void *opaque, int mode);
972 973  
973 974 /* smc91c111.c */
974 975 void smc91c111_init(NICInfo *, uint32_t, void *, int);
... ...