diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/platforms/powermac/udbg_adb.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/powerpc/platforms/powermac/udbg_adb.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/platforms/powermac/udbg_adb.c b/ANDROID_3.4.5/arch/powerpc/platforms/powermac/udbg_adb.c deleted file mode 100644 index 44e0b55a..00000000 --- a/ANDROID_3.4.5/arch/powerpc/platforms/powermac/udbg_adb.c +++ /dev/null @@ -1,219 +0,0 @@ -#include <linux/string.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/bitops.h> -#include <linux/ptrace.h> -#include <linux/adb.h> -#include <linux/pmu.h> -#include <linux/cuda.h> -#include <asm/machdep.h> -#include <asm/io.h> -#include <asm/page.h> -#include <asm/xmon.h> -#include <asm/prom.h> -#include <asm/bootx.h> -#include <asm/errno.h> -#include <asm/pmac_feature.h> -#include <asm/processor.h> -#include <asm/delay.h> -#include <asm/btext.h> -#include <asm/time.h> -#include <asm/udbg.h> - -/* - * This implementation is "special", it can "patch" the current - * udbg implementation and work on top of it. It must thus be - * initialized last - */ - -static void (*udbg_adb_old_putc)(char c); -static int (*udbg_adb_old_getc)(void); -static int (*udbg_adb_old_getc_poll)(void); - -static enum { - input_adb_none, - input_adb_pmu, - input_adb_cuda, -} input_type = input_adb_none; - -int xmon_wants_key, xmon_adb_keycode; - -static inline void udbg_adb_poll(void) -{ -#ifdef CONFIG_ADB_PMU - if (input_type == input_adb_pmu) - pmu_poll_adb(); -#endif /* CONFIG_ADB_PMU */ -#ifdef CONFIG_ADB_CUDA - if (input_type == input_adb_cuda) - cuda_poll(); -#endif /* CONFIG_ADB_CUDA */ -} - -#ifdef CONFIG_BOOTX_TEXT - -static int udbg_adb_use_btext; -static int xmon_adb_shiftstate; - -static unsigned char xmon_keytab[128] = - "asdfhgzxcv\000bqwer" /* 0x00 - 0x0f */ - "yt123465=97-80]o" /* 0x10 - 0x1f */ - "u[ip\rlj'k;\\,/nm." /* 0x20 - 0x2f */ - "\t `\177\0\033\0\0\0\0\0\0\0\0\0\0" /* 0x30 - 0x3f */ - "\0.\0*\0+\0\0\0\0\0/\r\0-\0" /* 0x40 - 0x4f */ - "\0\0000123456789\0\0\0"; /* 0x50 - 0x5f */ - -static unsigned char xmon_shift_keytab[128] = - "ASDFHGZXCV\000BQWER" /* 0x00 - 0x0f */ - "YT!@#$^%+(&_*)}O" /* 0x10 - 0x1f */ - "U{IP\rLJ\"K:|<?NM>" /* 0x20 - 0x2f */ - "\t ~\177\0\033\0\0\0\0\0\0\0\0\0\0" /* 0x30 - 0x3f */ - "\0.\0*\0+\0\0\0\0\0/\r\0-\0" /* 0x40 - 0x4f */ - "\0\0000123456789\0\0\0"; /* 0x50 - 0x5f */ - -static int udbg_adb_local_getc(void) -{ - int k, t, on; - - xmon_wants_key = 1; - for (;;) { - xmon_adb_keycode = -1; - t = 0; - on = 0; - k = -1; - do { - if (--t < 0) { - on = 1 - on; - btext_drawchar(on? 0xdb: 0x20); - btext_drawchar('\b'); - t = 200000; - } - udbg_adb_poll(); - if (udbg_adb_old_getc_poll) - k = udbg_adb_old_getc_poll(); - } while (k == -1 && xmon_adb_keycode == -1); - if (on) - btext_drawstring(" \b"); - if (k != -1) - return k; - k = xmon_adb_keycode; - - /* test for shift keys */ - if ((k & 0x7f) == 0x38 || (k & 0x7f) == 0x7b) { - xmon_adb_shiftstate = (k & 0x80) == 0; - continue; - } - if (k >= 0x80) - continue; /* ignore up transitions */ - k = (xmon_adb_shiftstate? xmon_shift_keytab: xmon_keytab)[k]; - if (k != 0) - break; - } - xmon_wants_key = 0; - return k; -} -#endif /* CONFIG_BOOTX_TEXT */ - -static int udbg_adb_getc(void) -{ -#ifdef CONFIG_BOOTX_TEXT - if (udbg_adb_use_btext && input_type != input_adb_none) - return udbg_adb_local_getc(); -#endif - if (udbg_adb_old_getc) - return udbg_adb_old_getc(); - return -1; -} - -/* getc_poll() is not really used, unless you have the xmon-over modem - * hack that doesn't quite concern us here, thus we just poll the low level - * ADB driver to prevent it from timing out and call back the original poll - * routine. - */ -static int udbg_adb_getc_poll(void) -{ - udbg_adb_poll(); - - if (udbg_adb_old_getc_poll) - return udbg_adb_old_getc_poll(); - return -1; -} - -static void udbg_adb_putc(char c) -{ -#ifdef CONFIG_BOOTX_TEXT - if (udbg_adb_use_btext) - btext_drawchar(c); -#endif - if (udbg_adb_old_putc) - return udbg_adb_old_putc(c); -} - -void __init udbg_adb_init_early(void) -{ -#ifdef CONFIG_BOOTX_TEXT - if (btext_find_display(1) == 0) { - udbg_adb_use_btext = 1; - udbg_putc = udbg_adb_putc; - } -#endif -} - -int __init udbg_adb_init(int force_btext) -{ - struct device_node *np; - - /* Capture existing callbacks */ - udbg_adb_old_putc = udbg_putc; - udbg_adb_old_getc = udbg_getc; - udbg_adb_old_getc_poll = udbg_getc_poll; - - /* Check if our early init was already called */ - if (udbg_adb_old_putc == udbg_adb_putc) - udbg_adb_old_putc = NULL; -#ifdef CONFIG_BOOTX_TEXT - if (udbg_adb_old_putc == btext_drawchar) - udbg_adb_old_putc = NULL; -#endif - - /* Set ours as output */ - udbg_putc = udbg_adb_putc; - udbg_getc = udbg_adb_getc; - udbg_getc_poll = udbg_adb_getc_poll; - -#ifdef CONFIG_BOOTX_TEXT - /* Check if we should use btext output */ - if (btext_find_display(force_btext) == 0) - udbg_adb_use_btext = 1; -#endif - - /* See if there is a keyboard in the device tree with a parent - * of type "adb". If not, we return a failure, but we keep the - * bext output set for now - */ - for (np = NULL; (np = of_find_node_by_name(np, "keyboard")) != NULL;) { - struct device_node *parent = of_get_parent(np); - int found = (parent && strcmp(parent->type, "adb") == 0); - of_node_put(parent); - if (found) - break; - } - if (np == NULL) - return -ENODEV; - of_node_put(np); - -#ifdef CONFIG_ADB_PMU - if (find_via_pmu()) - input_type = input_adb_pmu; -#endif -#ifdef CONFIG_ADB_CUDA - if (find_via_cuda()) - input_type = input_adb_cuda; -#endif - - /* Same as above: nothing found, keep btext set for output */ - if (input_type == input_adb_none) - return -ENODEV; - - return 0; -} |