diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/input')
| -rw-r--r-- | qemu/roms/u-boot/drivers/input/Makefile | 16 | ||||
| -rw-r--r-- | qemu/roms/u-boot/drivers/input/cros_ec_keyb.c | 272 | ||||
| -rw-r--r-- | qemu/roms/u-boot/drivers/input/i8042.c | 706 | ||||
| -rw-r--r-- | qemu/roms/u-boot/drivers/input/input.c | 491 | ||||
| -rw-r--r-- | qemu/roms/u-boot/drivers/input/key_matrix.c | 191 | ||||
| -rw-r--r-- | qemu/roms/u-boot/drivers/input/keyboard.c | 300 | ||||
| -rw-r--r-- | qemu/roms/u-boot/drivers/input/pc_keyb.c | 251 | ||||
| -rw-r--r-- | qemu/roms/u-boot/drivers/input/ps2mult.c | 461 | ||||
| -rw-r--r-- | qemu/roms/u-boot/drivers/input/ps2ser.c | 241 | ||||
| -rw-r--r-- | qemu/roms/u-boot/drivers/input/tegra-kbc.c | 376 |
10 files changed, 0 insertions, 3305 deletions
diff --git a/qemu/roms/u-boot/drivers/input/Makefile b/qemu/roms/u-boot/drivers/input/Makefile deleted file mode 100644 index a8e9be2f7..000000000 --- a/qemu/roms/u-boot/drivers/input/Makefile +++ /dev/null @@ -1,16 +0,0 @@ -# -# (C) Copyright 2000-2007 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-$(CONFIG_I8042_KBD) += i8042.o -obj-$(CONFIG_TEGRA_KEYBOARD) += tegra-kbc.o -obj-$(CONFIG_CROS_EC_KEYB) += cros_ec_keyb.o -ifdef CONFIG_PS2KBD -obj-y += keyboard.o pc_keyb.o -obj-$(CONFIG_PS2MULT) += ps2mult.o ps2ser.o -endif -obj-y += input.o -obj-$(CONFIG_OF_CONTROL) += key_matrix.o diff --git a/qemu/roms/u-boot/drivers/input/cros_ec_keyb.c b/qemu/roms/u-boot/drivers/input/cros_ec_keyb.c deleted file mode 100644 index a2501e020..000000000 --- a/qemu/roms/u-boot/drivers/input/cros_ec_keyb.c +++ /dev/null @@ -1,272 +0,0 @@ -/* - * Chromium OS Matrix Keyboard - * - * Copyright (c) 2012 The Chromium OS Authors. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <cros_ec.h> -#include <errno.h> -#include <fdtdec.h> -#include <input.h> -#include <key_matrix.h> -#include <stdio_dev.h> - -DECLARE_GLOBAL_DATA_PTR; - -enum { - KBC_MAX_KEYS = 8, /* Maximum keys held down at once */ -}; - -static struct keyb { - struct cros_ec_dev *dev; /* The CROS_EC device */ - struct input_config input; /* The input layer */ - struct key_matrix matrix; /* The key matrix layer */ - int key_rows; /* Number of keyboard rows */ - int key_cols; /* Number of keyboard columns */ - unsigned int repeat_delay_ms; /* Time before autorepeat starts */ - unsigned int repeat_rate_ms; /* Autorepeat rate in ms */ - int ghost_filter; /* 1 to enable ghost filter, else 0 */ - int inited; /* 1 if keyboard is ready */ -} config; - - -/** - * Check the keyboard controller and return a list of key matrix positions - * for which a key is pressed - * - * @param config Keyboard config - * @param keys List of keys that we have detected - * @param max_count Maximum number of keys to return - * @param samep Set to true if this scan repeats the last, else false - * @return number of pressed keys, 0 for none, -EIO on error - */ -static int check_for_keys(struct keyb *config, - struct key_matrix_key *keys, int max_count, - bool *samep) -{ - struct key_matrix_key *key; - static struct mbkp_keyscan last_scan; - static bool last_scan_valid; - struct mbkp_keyscan scan; - unsigned int row, col, bit, data; - int num_keys; - - if (cros_ec_scan_keyboard(config->dev, &scan)) { - debug("%s: keyboard scan failed\n", __func__); - return -EIO; - } - *samep = last_scan_valid && !memcmp(&last_scan, &scan, sizeof(scan)); - - /* - * This is a bit odd. The EC has no way to tell us that it has run - * out of key scans. It just returns the same scan over and over - * again. So the only way to detect that we have run out is to detect - * that this scan is the same as the last. - */ - last_scan_valid = true; - memcpy(&last_scan, &scan, sizeof(last_scan)); - - for (col = num_keys = bit = 0; col < config->matrix.num_cols; - col++) { - for (row = 0; row < config->matrix.num_rows; row++) { - unsigned int mask = 1 << (bit & 7); - - data = scan.data[bit / 8]; - if ((data & mask) && num_keys < max_count) { - key = keys + num_keys++; - key->row = row; - key->col = col; - key->valid = 1; - } - bit++; - } - } - - return num_keys; -} - -/** - * Test if keys are available to be read - * - * @return 0 if no keys available, 1 if keys are available - */ -static int kbd_tstc(void) -{ - /* Just get input to do this for us */ - return config.inited ? input_tstc(&config.input) : 0; -} - -/** - * Read a key - * - * @return ASCII key code, or 0 if no key, or -1 if error - */ -static int kbd_getc(void) -{ - /* Just get input to do this for us */ - return config.inited ? input_getc(&config.input) : 0; -} - -/** - * Check the keyboard, and send any keys that are pressed. - * - * This is called by input_tstc() and input_getc() when they need more - * characters - * - * @param input Input configuration - * @return 1, to indicate that we have something to look at - */ -int cros_ec_kbc_check(struct input_config *input) -{ - static struct key_matrix_key last_keys[KBC_MAX_KEYS]; - static int last_num_keys; - struct key_matrix_key keys[KBC_MAX_KEYS]; - int keycodes[KBC_MAX_KEYS]; - int num_keys, num_keycodes; - int irq_pending, sent; - bool same = false; - - /* - * Loop until the EC has no more keyscan records, or we have - * received at least one character. This means we know that tstc() - * will always return non-zero if keys have been pressed. - * - * Without this loop, a key release (which generates no new ascii - * characters) will cause us to exit this function, and just tstc() - * may return 0 before all keys have been read from the EC. - */ - do { - irq_pending = cros_ec_interrupt_pending(config.dev); - if (irq_pending) { - num_keys = check_for_keys(&config, keys, KBC_MAX_KEYS, - &same); - if (num_keys < 0) - return 0; - last_num_keys = num_keys; - memcpy(last_keys, keys, sizeof(keys)); - } else { - /* - * EC doesn't want to be asked, so use keys from last - * time. - */ - num_keys = last_num_keys; - memcpy(keys, last_keys, sizeof(keys)); - } - - if (num_keys < 0) - return -1; - num_keycodes = key_matrix_decode(&config.matrix, keys, - num_keys, keycodes, KBC_MAX_KEYS); - sent = input_send_keycodes(input, keycodes, num_keycodes); - - /* - * For those ECs without an interrupt, stop scanning when we - * see that the scan is the same as last time. - */ - if ((irq_pending < 0) && same) - break; - } while (irq_pending && !sent); - - return 1; -} - -/** - * Decode MBKP keyboard details from the device tree - * - * @param blob Device tree blob - * @param node Node to decode from - * @param config Configuration data read from fdt - * @return 0 if ok, -1 on error - */ -static int cros_ec_keyb_decode_fdt(const void *blob, int node, - struct keyb *config) -{ - /* - * Get keyboard rows and columns - at present we are limited to - * 8 columns by the protocol (one byte per row scan) - */ - config->key_rows = fdtdec_get_int(blob, node, "google,key-rows", 0); - config->key_cols = fdtdec_get_int(blob, node, "google,key-columns", 0); - if (!config->key_rows || !config->key_cols || - config->key_rows * config->key_cols / 8 - > CROS_EC_KEYSCAN_COLS) { - debug("%s: Invalid key matrix size %d x %d\n", __func__, - config->key_rows, config->key_cols); - return -1; - } - config->repeat_delay_ms = fdtdec_get_int(blob, node, - "google,repeat-delay-ms", 0); - config->repeat_rate_ms = fdtdec_get_int(blob, node, - "google,repeat-rate-ms", 0); - config->ghost_filter = fdtdec_get_bool(blob, node, - "google,ghost-filter"); - return 0; -} - -/** - * Set up the keyboard. This is called by the stdio device handler. - * - * We want to do this init when the keyboard is actually used rather than - * at start-up, since keyboard input may not currently be selected. - * - * @return 0 if ok, -1 on error - */ -static int cros_ec_init_keyboard(void) -{ - const void *blob = gd->fdt_blob; - int node; - - config.dev = board_get_cros_ec_dev(); - if (!config.dev) { - debug("%s: no cros_ec device: cannot init keyboard\n", - __func__); - return -1; - } - node = fdtdec_next_compatible(blob, 0, COMPAT_GOOGLE_CROS_EC_KEYB); - if (node < 0) { - debug("%s: Node not found\n", __func__); - return -1; - } - if (cros_ec_keyb_decode_fdt(blob, node, &config)) - return -1; - input_set_delays(&config.input, config.repeat_delay_ms, - config.repeat_rate_ms); - if (key_matrix_init(&config.matrix, config.key_rows, - config.key_cols, config.ghost_filter)) { - debug("%s: cannot init key matrix\n", __func__); - return -1; - } - if (key_matrix_decode_fdt(&config.matrix, gd->fdt_blob, node)) { - debug("%s: Could not decode key matrix from fdt\n", __func__); - return -1; - } - config.inited = 1; - debug("%s: Matrix keyboard %dx%d ready\n", __func__, config.key_rows, - config.key_cols); - - return 0; -} - -int drv_keyboard_init(void) -{ - struct stdio_dev dev; - - if (input_init(&config.input, 0)) { - debug("%s: Cannot set up input\n", __func__); - return -1; - } - config.input.read_keys = cros_ec_kbc_check; - - memset(&dev, '\0', sizeof(dev)); - strcpy(dev.name, "cros-ec-keyb"); - dev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM; - dev.getc = kbd_getc; - dev.tstc = kbd_tstc; - dev.start = cros_ec_init_keyboard; - - /* Register the device. cros_ec_init_keyboard() will be called soon */ - return input_stdio_register(&dev); -} diff --git a/qemu/roms/u-boot/drivers/input/i8042.c b/qemu/roms/u-boot/drivers/input/i8042.c deleted file mode 100644 index 35fa0bb50..000000000 --- a/qemu/roms/u-boot/drivers/input/i8042.c +++ /dev/null @@ -1,706 +0,0 @@ -/* - * (C) Copyright 2002 ELTEC Elektronik AG - * Frank Gottschling <fgottschling@eltec.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* i8042.c - Intel 8042 keyboard driver routines */ - -/* includes */ - -#include <common.h> -#include <linux/compiler.h> - -#ifdef CONFIG_USE_CPCIDVI -extern u8 gt_cpcidvi_in8(u32 offset); -extern void gt_cpcidvi_out8(u32 offset, u8 data); - -#define in8(a) gt_cpcidvi_in8(a) -#define out8(a, b) gt_cpcidvi_out8(a, b) -#endif - -#include <i8042.h> - -/* defines */ - -#ifdef CONFIG_CONSOLE_CURSOR -extern void console_cursor(int state); -static int blinkCount = CONFIG_SYS_CONSOLE_BLINK_COUNT; -static int cursor_state; -#endif - -/* locals */ - -static int kbd_input = -1; /* no input yet */ -static int kbd_mapping = KBD_US; /* default US keyboard */ -static int kbd_flags = NORMAL; /* after reset */ -static int kbd_state; /* unshift code */ - -static void kbd_conv_char(unsigned char scan_code); -static void kbd_led_set(void); -static void kbd_normal(unsigned char scan_code); -static void kbd_shift(unsigned char scan_code); -static void kbd_ctrl(unsigned char scan_code); -static void kbd_num(unsigned char scan_code); -static void kbd_caps(unsigned char scan_code); -static void kbd_scroll(unsigned char scan_code); -static void kbd_alt(unsigned char scan_code); -static int kbd_input_empty(void); -static int kbd_reset(void); - -static unsigned char kbd_fct_map[144] = { - /* kbd_fct_map table for scan code */ - 0, AS, AS, AS, AS, AS, AS, AS, /* scan 0- 7 */ - AS, AS, AS, AS, AS, AS, AS, AS, /* scan 8- F */ - AS, AS, AS, AS, AS, AS, AS, AS, /* scan 10-17 */ - AS, AS, AS, AS, AS, CN, AS, AS, /* scan 18-1F */ - AS, AS, AS, AS, AS, AS, AS, AS, /* scan 20-27 */ - AS, AS, SH, AS, AS, AS, AS, AS, /* scan 28-2F */ - AS, AS, AS, AS, AS, AS, SH, AS, /* scan 30-37 */ - AS, AS, CP, 0, 0, 0, 0, 0, /* scan 38-3F */ - 0, 0, 0, 0, 0, NM, ST, ES, /* scan 40-47 */ - ES, ES, ES, ES, ES, ES, ES, ES, /* scan 48-4F */ - ES, ES, ES, ES, 0, 0, AS, 0, /* scan 50-57 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ - AS, 0, 0, AS, 0, 0, AS, 0, /* scan 70-77 */ - 0, AS, 0, 0, 0, AS, 0, 0, /* scan 78-7F */ - AS, CN, AS, AS, AK, ST, EX, EX, /* enhanced */ - AS, EX, EX, AS, EX, AS, EX, EX /* enhanced */ - }; - -static unsigned char kbd_key_map[2][5][144] = { - { /* US keyboard */ - { /* unshift code */ - 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 0- 7 */ - '7', '8', '9', '0', '-', '=', 0x08, '\t', /* scan 8- F */ - 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', /* scan 10-17 */ - 'o', 'p', '[', ']', '\r', CN, 'a', 's', /* scan 18-1F */ - 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', /* scan 20-27 */ - '\'', '`', SH, '\\', 'z', 'x', 'c', 'v', /* scan 28-2F */ - 'b', 'n', 'm', ',', '.', '/', SH, '*', /* scan 30-37 */ - ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ - 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */ - '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */ - '2', '3', '0', '.', 0, 0, 0, 0, /* scan 50-57 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ - 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ - }, - { /* shift code */ - 0, 0x1b, '!', '@', '#', '$', '%', '^', /* scan 0- 7 */ - '&', '*', '(', ')', '_', '+', 0x08, '\t', /* scan 8- F */ - 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', /* scan 10-17 */ - 'O', 'P', '{', '}', '\r', CN, 'A', 'S', /* scan 18-1F */ - 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', /* scan 20-27 */ - '"', '~', SH, '|', 'Z', 'X', 'C', 'V', /* scan 28-2F */ - 'B', 'N', 'M', '<', '>', '?', SH, '*', /* scan 30-37 */ - ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ - 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */ - '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */ - '2', '3', '0', '.', 0, 0, 0, 0, /* scan 50-57 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ - 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ - }, - { /* control code */ - 0xff, 0x1b, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, /* scan 0- 7 */ - 0x1e, 0xff, 0xff, 0xff, 0x1f, 0xff, 0xff, '\t', /* scan 8- F */ - 0x11, 0x17, 0x05, 0x12, 0x14, 0x19, 0x15, 0x09, /* scan 10-17 */ - 0x0f, 0x10, 0x1b, 0x1d, '\r', CN, 0x01, 0x13, /* scan 18-1F */ - 0x04, 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0c, 0xff, /* scan 20-27 */ - 0xff, 0x1c, SH, 0xff, 0x1a, 0x18, 0x03, 0x16, /* scan 28-2F */ - 0x02, 0x0e, 0x0d, 0xff, 0xff, 0xff, SH, 0xff, /* scan 30-37 */ - 0xff, 0xff, CP, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38-3F */ - 0xff, 0xff, 0xff, 0xff, 0xff, NM, ST, 0xff, /* scan 40-47 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48-4F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 50-57 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58-5F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60-67 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68-6F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70-77 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 0xff, 0xff, /* extended */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */ - }, - { /* non numeric code */ - 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 0- 7 */ - '7', '8', '9', '0', '-', '=', 0x08, '\t', /* scan 8- F */ - 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', /* scan 10-17 */ - 'o', 'p', '[', ']', '\r', CN, 'a', 's', /* scan 18-1F */ - 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', /* scan 20-27 */ - '\'', '`', SH, '\\', 'z', 'x', 'c', 'v', /* scan 28-2F */ - 'b', 'n', 'm', ',', '.', '/', SH, '*', /* scan 30-37 */ - ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ - 0, 0, 0, 0, 0, NM, ST, 'w', /* scan 40-47 */ - 'x', 'y', 'l', 't', 'u', 'v', 'm', 'q', /* scan 48-4F */ - 'r', 's', 'p', 'n', 0, 0, 0, 0, /* scan 50-57 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ - 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ - }, - { /* right alt mode - not used in US keyboard */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 0 - 7 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 8 - F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 10 -17 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 18 -1F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 20 -27 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 28 -2F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 30 -37 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38 -3F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 40 -47 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48 -4F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 50 -57 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58 -5F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60 -67 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68 -6F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70 -77 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78 -7F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* extended */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */ - } - }, - { /* german keyboard */ - { /* unshift code */ - 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 0- 7 */ - '7', '8', '9', '0', 0xe1, '\'', 0x08, '\t', /* scan 8- F */ - 'q', 'w', 'e', 'r', 't', 'z', 'u', 'i', /* scan 10-17 */ - 'o', 'p', 0x81, '+', '\r', CN, 'a', 's', /* scan 18-1F */ - 'd', 'f', 'g', 'h', 'j', 'k', 'l', 0x94, /* scan 20-27 */ - 0x84, '^', SH, '#', 'y', 'x', 'c', 'v', /* scan 28-2F */ - 'b', 'n', 'm', ',', '.', '-', SH, '*', /* scan 30-37 */ - ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ - 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */ - '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */ - '2', '3', '0', ',', 0, 0, '<', 0, /* scan 50-57 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ - 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ - }, - { /* shift code */ - 0, 0x1b, '!', '"', 0x15, '$', '%', '&', /* scan 0- 7 */ - '/', '(', ')', '=', '?', '`', 0x08, '\t', /* scan 8- F */ - 'Q', 'W', 'E', 'R', 'T', 'Z', 'U', 'I', /* scan 10-17 */ - 'O', 'P', 0x9a, '*', '\r', CN, 'A', 'S', /* scan 18-1F */ - 'D', 'F', 'G', 'H', 'J', 'K', 'L', 0x99, /* scan 20-27 */ - 0x8e, 0xf8, SH, '\'', 'Y', 'X', 'C', 'V', /* scan 28-2F */ - 'B', 'N', 'M', ';', ':', '_', SH, '*', /* scan 30-37 */ - ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ - 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */ - '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */ - '2', '3', '0', ',', 0, 0, '>', 0, /* scan 50-57 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ - 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ - }, - { /* control code */ - 0xff, 0x1b, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, /* scan 0- 7 */ - 0x1e, 0xff, 0xff, 0xff, 0x1f, 0xff, 0xff, '\t', /* scan 8- F */ - 0x11, 0x17, 0x05, 0x12, 0x14, 0x19, 0x15, 0x09, /* scan 10-17 */ - 0x0f, 0x10, 0x1b, 0x1d, '\r', CN, 0x01, 0x13, /* scan 18-1F */ - 0x04, 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0c, 0xff, /* scan 20-27 */ - 0xff, 0x1c, SH, 0xff, 0x1a, 0x18, 0x03, 0x16, /* scan 28-2F */ - 0x02, 0x0e, 0x0d, 0xff, 0xff, 0xff, SH, 0xff, /* scan 30-37 */ - 0xff, 0xff, CP, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38-3F */ - 0xff, 0xff, 0xff, 0xff, 0xff, NM, ST, 0xff, /* scan 40-47 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48-4F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 50-57 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58-5F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60-67 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68-6F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70-77 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 0xff, 0xff, /* extended */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */ - }, - { /* non numeric code */ - 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 0- 7 */ - '7', '8', '9', '0', 0xe1, '\'', 0x08, '\t', /* scan 8- F */ - 'q', 'w', 'e', 'r', 't', 'z', 'u', 'i', /* scan 10-17 */ - 'o', 'p', 0x81, '+', '\r', CN, 'a', 's', /* scan 18-1F */ - 'd', 'f', 'g', 'h', 'j', 'k', 'l', 0x94, /* scan 20-27 */ - 0x84, '^', SH, 0, 'y', 'x', 'c', 'v', /* scan 28-2F */ - 'b', 'n', 'm', ',', '.', '-', SH, '*', /* scan 30-37 */ - ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ - 0, 0, 0, 0, 0, NM, ST, 'w', /* scan 40-47 */ - 'x', 'y', 'l', 't', 'u', 'v', 'm', 'q', /* scan 48-4F */ - 'r', 's', 'p', 'n', 0, 0, '<', 0, /* scan 50-57 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ - 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ - }, - { /* Right alt mode - is used in German keyboard */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 0 - 7 */ - '{', '[', ']', '}', '\\', 0xff, 0xff, 0xff, /* scan 8 - F */ - '@', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 10 -17 */ - 0xff, 0xff, 0xff, '~', 0xff, 0xff, 0xff, 0xff, /* scan 18 -1F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 20 -27 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 28 -2F */ - 0xff, 0xff, 0xe6, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 30 -37 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38 -3F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 40 -47 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48 -4F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, '|', 0xff, /* scan 50 -57 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58 -5F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60 -67 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68 -6F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70 -77 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78 -7F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* extended */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */ - } - } - }; - -static unsigned char ext_key_map[] = { - 0x1c, /* keypad enter */ - 0x1d, /* right control */ - 0x35, /* keypad slash */ - 0x37, /* print screen */ - 0x38, /* right alt */ - 0x46, /* break */ - 0x47, /* editpad home */ - 0x48, /* editpad up */ - 0x49, /* editpad pgup */ - 0x4b, /* editpad left */ - 0x4d, /* editpad right */ - 0x4f, /* editpad end */ - 0x50, /* editpad dn */ - 0x51, /* editpad pgdn */ - 0x52, /* editpad ins */ - 0x53, /* editpad del */ - 0x00 /* map end */ - }; - -/******************************************************************************/ - -static int kbd_controller_present(void) -{ - return in8(I8042_STATUS_REG) != 0xff; -} - -/* - * Implement a weak default function for boards that optionally - * need to skip the i8042 initialization. - */ -int __weak board_i8042_skip(void) -{ - /* As default, don't skip */ - return 0; -} - -void i8042_flush(void) -{ - int timeout; - - /* - * The delay is to give the keyboard controller some time to fill the - * next byte. - */ - while (1) { - timeout = 100; /* wait for no longer than 100us */ - while (timeout > 0 && !(in8(I8042_STATUS_REG) & 0x01)) { - udelay(1); - timeout--; - } - - /* Try to pull next byte if not timeout. */ - if (in8(I8042_STATUS_REG) & 0x01) - in8(I8042_DATA_REG); - else - break; - } -} - -int i8042_disable(void) -{ - if (kbd_input_empty() == 0) - return -1; - - /* Disable keyboard */ - out8(I8042_COMMAND_REG, 0xad); - - if (kbd_input_empty() == 0) - return -1; - - return 0; -} - - -/******************************************************************************* - * - * i8042_kbd_init - reset keyboard and init state flags - */ -int i8042_kbd_init(void) -{ - int keymap, try; - char *penv; - - if (!kbd_controller_present() || board_i8042_skip()) - return -1; - -#ifdef CONFIG_USE_CPCIDVI - penv = getenv("console"); - if (penv != NULL) { - if (strncmp(penv, "serial", 7) == 0) - return -1; - } -#endif - /* Init keyboard device (default US layout) */ - keymap = KBD_US; - penv = getenv("keymap"); - if (penv != NULL) { - if (strncmp(penv, "de", 3) == 0) - keymap = KBD_GER; - } - - for (try = 0; try < KBD_RESET_TRIES; try++) { - if (kbd_reset() == 0) { - kbd_mapping = keymap; - kbd_flags = NORMAL; - kbd_state = 0; - kbd_led_set(); - return 0; - } - } - return -1; -} - - -/******************************************************************************* - * - * i8042_tstc - test if keyboard input is available - * option: cursor blinking if called in a loop - */ -int i8042_tstc(void) -{ - unsigned char scan_code = 0; - -#ifdef CONFIG_CONSOLE_CURSOR - if (--blinkCount == 0) { - cursor_state ^= 1; - console_cursor(cursor_state); - blinkCount = CONFIG_SYS_CONSOLE_BLINK_COUNT; - udelay(10); - } -#endif - - if ((in8(I8042_STATUS_REG) & 0x01) == 0) { - return 0; - } else { - scan_code = in8(I8042_DATA_REG); - if (scan_code == 0xfa) - return 0; - - kbd_conv_char(scan_code); - - if (kbd_input != -1) - return 1; - } - return 0; -} - - -/******************************************************************************* - * - * i8042_getc - wait till keyboard input is available - * option: turn on/off cursor while waiting - */ -int i8042_getc(void) -{ - int ret_chr; - unsigned char scan_code; - - while (kbd_input == -1) { - while ((in8(I8042_STATUS_REG) & 0x01) == 0) { -#ifdef CONFIG_CONSOLE_CURSOR - if (--blinkCount == 0) { - cursor_state ^= 1; - console_cursor(cursor_state); - blinkCount = CONFIG_SYS_CONSOLE_BLINK_COUNT; - } - udelay(10); -#endif - } - scan_code = in8(I8042_DATA_REG); - if (scan_code != 0xfa) - kbd_conv_char (scan_code); - } - ret_chr = kbd_input; - kbd_input = -1; - return ret_chr; -} - - -/******************************************************************************/ - -static void kbd_conv_char(unsigned char scan_code) -{ - if (scan_code == 0xe0) { - kbd_flags |= EXT; - return; - } - - /* if high bit of scan_code, set break flag */ - if (scan_code & 0x80) - kbd_flags |= BRK; - else - kbd_flags &= ~BRK; - - if ((scan_code == 0xe1) || (kbd_flags & E1)) { - if (scan_code == 0xe1) { - kbd_flags ^= BRK; /* reset the break flag */ - kbd_flags ^= E1; /* bitwise EXOR with E1 flag */ - } - return; - } - - scan_code &= 0x7f; - - if (kbd_flags & EXT) { - int i; - - kbd_flags ^= EXT; - for (i = 0; ext_key_map[i]; i++) { - if (ext_key_map[i] == scan_code) { - scan_code = 0x80 + i; - break; - } - } - /* not found ? */ - if (!ext_key_map[i]) - return; - } - - switch (kbd_fct_map[scan_code]) { - case AS: - kbd_normal(scan_code); - break; - case SH: - kbd_shift(scan_code); - break; - case CN: - kbd_ctrl(scan_code); - break; - case NM: - kbd_num(scan_code); - break; - case CP: - kbd_caps(scan_code); - break; - case ST: - kbd_scroll(scan_code); - break; - case AK: - kbd_alt(scan_code); - break; - } - return; -} - - -/******************************************************************************/ - -static void kbd_normal(unsigned char scan_code) -{ - unsigned char chr; - - if ((kbd_flags & BRK) == NORMAL) { - chr = kbd_key_map[kbd_mapping][kbd_state][scan_code]; - if ((chr == 0xff) || (chr == 0x00)) - return; - - /* if caps lock convert upper to lower */ - if (((kbd_flags & CAPS) == CAPS) && - (chr >= 'a' && chr <= 'z')) { - chr -= 'a' - 'A'; - } - kbd_input = chr; - } -} - - -/******************************************************************************/ - -static void kbd_shift(unsigned char scan_code) -{ - if ((kbd_flags & BRK) == BRK) { - kbd_state = AS; - kbd_flags &= (~SHIFT); - } else { - kbd_state = SH; - kbd_flags |= SHIFT; - } -} - - -/******************************************************************************/ - -static void kbd_ctrl(unsigned char scan_code) -{ - if ((kbd_flags & BRK) == BRK) { - kbd_state = AS; - kbd_flags &= (~CTRL); - } else { - kbd_state = CN; - kbd_flags |= CTRL; - } -} - - -/******************************************************************************/ - -static void kbd_caps(unsigned char scan_code) -{ - if ((kbd_flags & BRK) == NORMAL) { - kbd_flags ^= CAPS; - kbd_led_set(); /* update keyboard LED */ - } -} - - -/******************************************************************************/ - -static void kbd_num(unsigned char scan_code) -{ - if ((kbd_flags & BRK) == NORMAL) { - kbd_flags ^= NUM; - kbd_state = (kbd_flags & NUM) ? AS : NM; - kbd_led_set(); /* update keyboard LED */ - } -} - - -/******************************************************************************/ - -static void kbd_scroll(unsigned char scan_code) -{ - if ((kbd_flags & BRK) == NORMAL) { - kbd_flags ^= STP; - kbd_led_set(); /* update keyboard LED */ - if (kbd_flags & STP) - kbd_input = 0x13; - else - kbd_input = 0x11; - } -} - -/******************************************************************************/ - -static void kbd_alt(unsigned char scan_code) -{ - if ((kbd_flags & BRK) == BRK) { - kbd_state = AS; - kbd_flags &= (~ALT); - } else { - kbd_state = AK; - kbd_flags &= ALT; - } -} - - -/******************************************************************************/ - -static void kbd_led_set(void) -{ - kbd_input_empty(); - out8(I8042_DATA_REG, 0xed); /* SET LED command */ - kbd_input_empty(); - out8(I8042_DATA_REG, (kbd_flags & 0x7)); /* LED bits only */ -} - - -/******************************************************************************/ - -static int kbd_input_empty(void) -{ - int kbdTimeout = KBD_TIMEOUT * 1000; - - while ((in8(I8042_STATUS_REG) & I8042_STATUS_IN_DATA) && kbdTimeout--) - udelay(1); - - return kbdTimeout != -1; -} - -/******************************************************************************/ - -static int wait_until_kbd_output_full(void) -{ - int kbdTimeout = KBD_TIMEOUT * 1000; - - while (((in8(I8042_STATUS_REG) & 0x01) == 0) && kbdTimeout--) - udelay(1); - - return kbdTimeout != -1; -} - -/******************************************************************************/ - -static int kbd_reset(void) -{ - /* KB Reset */ - if (kbd_input_empty() == 0) - return -1; - - out8(I8042_DATA_REG, 0xff); - - if (wait_until_kbd_output_full() == 0) - return -1; - - if (in8(I8042_DATA_REG) != 0xfa) /* ACK */ - return -1; - - if (wait_until_kbd_output_full() == 0) - return -1; - - if (in8(I8042_DATA_REG) != 0xaa) /* Test Pass*/ - return -1; - - if (kbd_input_empty() == 0) - return -1; - - /* Set KBC mode */ - out8(I8042_COMMAND_REG, 0x60); - - if (kbd_input_empty() == 0) - return -1; - - out8(I8042_DATA_REG, 0x45); - - if (kbd_input_empty() == 0) - return -1; - - /* Enable Keyboard */ - out8(I8042_COMMAND_REG, 0xae); - - if (kbd_input_empty() == 0) - return -1; - - return 0; -} diff --git a/qemu/roms/u-boot/drivers/input/input.c b/qemu/roms/u-boot/drivers/input/input.c deleted file mode 100644 index 007b85524..000000000 --- a/qemu/roms/u-boot/drivers/input/input.c +++ /dev/null @@ -1,491 +0,0 @@ -/* - * Translate key codes into ASCII - * - * Copyright (c) 2011 The Chromium OS Authors. - * (C) Copyright 2004 DENX Software Engineering, Wolfgang Denk, wd@denx.de - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <stdio_dev.h> -#include <input.h> -#include <linux/input.h> - -enum { - /* These correspond to the lights on the keyboard */ - FLAG_NUM_LOCK = 1 << 0, - FLAG_CAPS_LOCK = 1 << 1, - FLAG_SCROLL_LOCK = 1 << 2, - - /* Special flag ORed with key code to indicate release */ - KEY_RELEASE = 1 << 15, - KEY_MASK = 0xfff, -}; - -/* - * These takes map key codes to ASCII. 0xff means no key, or special key. - * Three tables are provided - one for plain keys, one for when the shift - * 'modifier' key is pressed and one for when the ctrl modifier key is - * pressed. - */ -static const uchar kbd_plain_xlate[] = { - 0xff, 0x1b, '1', '2', '3', '4', '5', '6', - '7', '8', '9', '0', '-', '=', '\b', '\t', /* 0x00 - 0x0f */ - 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', - 'o', 'p', '[', ']', '\r', 0xff, 'a', 's', /* 0x10 - 0x1f */ - 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', - '\'', '`', 0xff, '\\', 'z', 'x', 'c', 'v', /* 0x20 - 0x2f */ - 'b', 'n', 'm', ',' , '.', '/', 0xff, 0xff, 0xff, - ' ', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x30 - 0x3f */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, '7', - '8', '9', '-', '4', '5', '6', '+', '1', /* 0x40 - 0x4f */ - '2', '3', '0', '.', 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x50 - 0x5F */ - '\r', 0xff, 0xff -}; - -static unsigned char kbd_shift_xlate[] = { - 0xff, 0x1b, '!', '@', '#', '$', '%', '^', - '&', '*', '(', ')', '_', '+', '\b', '\t', /* 0x00 - 0x0f */ - 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', - 'O', 'P', '{', '}', '\r', 0xff, 'A', 'S', /* 0x10 - 0x1f */ - 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', - '"', '~', 0xff, '|', 'Z', 'X', 'C', 'V', /* 0x20 - 0x2f */ - 'B', 'N', 'M', '<', '>', '?', 0xff, 0xff, 0xff, - ' ', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x30 - 0x3f */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, '7', - '8', '9', '-', '4', '5', '6', '+', '1', /* 0x40 - 0x4f */ - '2', '3', '0', '.', 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x50 - 0x5F */ - '\r', 0xff, 0xff -}; - -static unsigned char kbd_ctrl_xlate[] = { - 0xff, 0x1b, '1', 0x00, '3', '4', '5', 0x1E, - '7', '8', '9', '0', 0x1F, '=', '\b', '\t', /* 0x00 - 0x0f */ - 0x11, 0x17, 0x05, 0x12, 0x14, 0x18, 0x15, 0x09, - 0x0f, 0x10, 0x1b, 0x1d, '\n', 0xff, 0x01, 0x13, /* 0x10 - 0x1f */ - 0x04, 0x06, 0x08, 0x09, 0x0a, 0x0b, 0x0c, ';', - '\'', '~', 0x00, 0x1c, 0x1a, 0x18, 0x03, 0x16, /* 0x20 - 0x2f */ - 0x02, 0x0e, 0x0d, '<', '>', '?', 0xff, 0xff, - 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x30 - 0x3f */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, '7', - '8', '9', '-', '4', '5', '6', '+', '1', /* 0x40 - 0x4f */ - '2', '3', '0', '.', 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x50 - 0x5F */ - '\r', 0xff, 0xff -}; - -/* - * Scan key code to ANSI 3.64 escape sequence table. This table is - * incomplete in that it does not include all possible extra keys. - */ -static struct { - int kbd_scan_code; - char *escape; -} kbd_to_ansi364[] = { - { KEY_UP, "\033[A"}, - { KEY_DOWN, "\033[B"}, - { KEY_RIGHT, "\033[C"}, - { KEY_LEFT, "\033[D"}, -}; - -/* Maximum number of output characters that an ANSI sequence expands to */ -#define ANSI_CHAR_MAX 3 - -static int input_queue_ascii(struct input_config *config, int ch) -{ - if (config->fifo_in + 1 == INPUT_BUFFER_LEN) { - if (!config->fifo_out) - return -1; /* buffer full */ - else - config->fifo_in = 0; - } else { - if (config->fifo_in + 1 == config->fifo_out) - return -1; /* buffer full */ - config->fifo_in++; - } - config->fifo[config->fifo_in] = (uchar)ch; - - return 0; -} - -int input_tstc(struct input_config *config) -{ - if (config->fifo_in == config->fifo_out && config->read_keys) { - if (!(*config->read_keys)(config)) - return 0; - } - return config->fifo_in != config->fifo_out; -} - -int input_getc(struct input_config *config) -{ - int err = 0; - - while (config->fifo_in == config->fifo_out) { - if (config->read_keys) - err = (*config->read_keys)(config); - if (err) - return -1; - } - - if (++config->fifo_out == INPUT_BUFFER_LEN) - config->fifo_out = 0; - - return config->fifo[config->fifo_out]; -} - -/** - * Process a modifier/special key press or release and decide which key - * translation array should be used as a result. - * - * TODO: Should keep track of modifier press/release - * - * @param config Input state - * @param key Key code to process - * @param release 0 if a press, 1 if a release - * @return pointer to keycode->ascii translation table that should be used - */ -static struct input_key_xlate *process_modifier(struct input_config *config, - int key, int release) -{ - struct input_key_xlate *table; - int flip = -1; - int i; - - /* Start with the main table, and see what modifiers change it */ - assert(config->num_tables > 0); - table = &config->table[0]; - for (i = 1; i < config->num_tables; i++) { - struct input_key_xlate *tab = &config->table[i]; - - if (key == tab->left_keycode || key == tab->right_keycode) - table = tab; - } - - /* Handle the lighted keys */ - if (!release) { - switch (key) { - case KEY_SCROLLLOCK: - flip = FLAG_SCROLL_LOCK; - break; - case KEY_NUMLOCK: - flip = FLAG_NUM_LOCK; - break; - case KEY_CAPSLOCK: - flip = FLAG_CAPS_LOCK; - break; - } - } - - if (flip != -1) { - int leds = 0; - - config->leds ^= flip; - if (config->flags & FLAG_NUM_LOCK) - leds |= INPUT_LED_NUM; - if (config->flags & FLAG_CAPS_LOCK) - leds |= INPUT_LED_CAPS; - if (config->flags & FLAG_SCROLL_LOCK) - leds |= INPUT_LED_SCROLL; - config->leds = leds; - } - - return table; -} - -/** - * Search an int array for a key value - * - * @param array Array to search - * @param count Number of elements in array - * @param key Key value to find - * @return element where value was first found, -1 if none - */ -static int array_search(int *array, int count, int key) -{ - int i; - - for (i = 0; i < count; i++) { - if (array[i] == key) - return i; - } - - return -1; -} - -/** - * Sort an array so that those elements that exist in the ordering are - * first in the array, and in the same order as the ordering. The algorithm - * is O(count * ocount) and designed for small arrays. - * - * TODO: Move this to common / lib? - * - * @param dest Array with elements to sort, also destination array - * @param count Number of elements to sort - * @param order Array containing ordering elements - * @param ocount Number of ordering elements - * @return number of elements in dest that are in order (these will be at the - * start of dest). - */ -static int sort_array_by_ordering(int *dest, int count, int *order, - int ocount) -{ - int temp[count]; - int dest_count; - int same; /* number of elements which are the same */ - int i; - - /* setup output items, copy items to be sorted into our temp area */ - memcpy(temp, dest, count * sizeof(*dest)); - dest_count = 0; - - /* work through the ordering, move over the elements we agree on */ - for (i = 0; i < ocount; i++) { - if (array_search(temp, count, order[i]) != -1) - dest[dest_count++] = order[i]; - } - same = dest_count; - - /* now move over the elements that are not in the ordering */ - for (i = 0; i < count; i++) { - if (array_search(order, ocount, temp[i]) == -1) - dest[dest_count++] = temp[i]; - } - assert(dest_count == count); - return same; -} - -/** - * Check a list of key codes against the previous key scan - * - * Given a list of new key codes, we check how many of these are the same - * as last time. - * - * @param config Input state - * @param keycode List of key codes to examine - * @param num_keycodes Number of key codes - * @param same Returns number of key codes which are the same - */ -static int input_check_keycodes(struct input_config *config, - int keycode[], int num_keycodes, int *same) -{ - /* Select the 'plain' xlate table to start with */ - if (!config->num_tables) { - debug("%s: No xlate tables: cannot decode keys\n", __func__); - return -1; - } - - /* sort the keycodes into the same order as the previous ones */ - *same = sort_array_by_ordering(keycode, num_keycodes, - config->prev_keycodes, config->num_prev_keycodes); - - memcpy(config->prev_keycodes, keycode, num_keycodes * sizeof(int)); - config->num_prev_keycodes = num_keycodes; - - return *same != num_keycodes; -} - -/** - * Checks and converts a special key code into ANSI 3.64 escape sequence. - * - * @param config Input state - * @param keycode Key code to examine - * @param output_ch Buffer to place output characters into. It should - * be at least ANSI_CHAR_MAX bytes long, to allow for - * an ANSI sequence. - * @param max_chars Maximum number of characters to add to output_ch - * @return number of characters output, if the key was converted, otherwise 0. - * This may be larger than max_chars, in which case the overflow - * characters are not output. - */ -static int input_keycode_to_ansi364(struct input_config *config, - int keycode, char output_ch[], int max_chars) -{ - const char *escape; - int ch_count; - int i; - - for (i = ch_count = 0; i < ARRAY_SIZE(kbd_to_ansi364); i++) { - if (keycode != kbd_to_ansi364[i].kbd_scan_code) - continue; - for (escape = kbd_to_ansi364[i].escape; *escape; escape++) { - if (ch_count < max_chars) - output_ch[ch_count] = *escape; - ch_count++; - } - return ch_count; - } - - return 0; -} - -/** - * Converts and queues a list of key codes in escaped ASCII string form - * Convert a list of key codes into ASCII - * - * You must call input_check_keycodes() before this. It turns the keycode - * list into a list of ASCII characters and sends them to the input layer. - * - * Characters which were seen last time do not generate fresh ASCII output. - * The output (calls to queue_ascii) may be longer than num_keycodes, if the - * keycode contains special keys that was encoded to longer escaped sequence. - * - * @param config Input state - * @param keycode List of key codes to examine - * @param num_keycodes Number of key codes - * @param output_ch Buffer to place output characters into. It should - * be at last ANSI_CHAR_MAX * num_keycodes, to allow for - * ANSI sequences. - * @param max_chars Maximum number of characters to add to output_ch - * @param same Number of key codes which are the same - * @return number of characters written into output_ch, or -1 if we would - * exceed max_chars chars. - */ -static int input_keycodes_to_ascii(struct input_config *config, - int keycode[], int num_keycodes, char output_ch[], - int max_chars, int same) -{ - struct input_key_xlate *table; - int ch_count = 0; - int i; - - table = &config->table[0]; - - /* deal with modifiers first */ - for (i = 0; i < num_keycodes; i++) { - int key = keycode[i] & KEY_MASK; - - if (key >= table->num_entries || table->xlate[key] == 0xff) { - table = process_modifier(config, key, - keycode[i] & KEY_RELEASE); - } - } - - /* Start conversion by looking for the first new keycode (by same). */ - for (i = same; i < num_keycodes; i++) { - int key = keycode[i]; - int ch = (key < table->num_entries) ? table->xlate[key] : 0xff; - - /* - * For a normal key (with an ASCII value), add it; otherwise - * translate special key to escape sequence if possible. - */ - if (ch != 0xff) { - if (ch_count < max_chars) - output_ch[ch_count] = (uchar)ch; - ch_count++; - } else { - ch_count += input_keycode_to_ansi364(config, key, - output_ch, max_chars); - } - } - - if (ch_count > max_chars) { - debug("%s: Output char buffer overflow size=%d, need=%d\n", - __func__, max_chars, ch_count); - return -1; - } - - /* ok, so return keys */ - return ch_count; -} - -int input_send_keycodes(struct input_config *config, - int keycode[], int num_keycodes) -{ - char ch[num_keycodes * ANSI_CHAR_MAX]; - int count, i, same = 0; - int is_repeat = 0; - unsigned delay_ms; - - config->modifiers = 0; - if (!input_check_keycodes(config, keycode, num_keycodes, &same)) { - /* - * Same as last time - is it time for another repeat? - * TODO(sjg@chromium.org) We drop repeats here and since - * the caller may not call in again for a while, our - * auto-repeat speed is not quite correct. We should - * insert another character if we later realise that we - * have missed a repeat slot. - */ - is_repeat = config->repeat_rate_ms && - (int)get_timer(config->next_repeat_ms) >= 0; - if (!is_repeat) - return 0; - } - - count = input_keycodes_to_ascii(config, keycode, num_keycodes, - ch, sizeof(ch), is_repeat ? 0 : same); - for (i = 0; i < count; i++) - input_queue_ascii(config, ch[i]); - delay_ms = is_repeat ? - config->repeat_rate_ms : - config->repeat_delay_ms; - - config->next_repeat_ms = get_timer(0) + delay_ms; - - return count; -} - -int input_add_table(struct input_config *config, int left_keycode, - int right_keycode, const uchar *xlate, int num_entries) -{ - struct input_key_xlate *table; - - if (config->num_tables == INPUT_MAX_MODIFIERS) { - debug("%s: Too many modifier tables\n", __func__); - return -1; - } - - table = &config->table[config->num_tables++]; - table->left_keycode = left_keycode; - table->right_keycode = right_keycode; - table->xlate = xlate; - table->num_entries = num_entries; - - return 0; -} - -void input_set_delays(struct input_config *config, int repeat_delay_ms, - int repeat_rate_ms) -{ - config->repeat_delay_ms = repeat_delay_ms; - config->repeat_rate_ms = repeat_rate_ms; -} - -int input_init(struct input_config *config, int leds) -{ - memset(config, '\0', sizeof(*config)); - config->leds = leds; - if (input_add_table(config, -1, -1, - kbd_plain_xlate, ARRAY_SIZE(kbd_plain_xlate)) || - input_add_table(config, KEY_LEFTSHIFT, KEY_RIGHTSHIFT, - kbd_shift_xlate, ARRAY_SIZE(kbd_shift_xlate)) || - input_add_table(config, KEY_LEFTCTRL, KEY_RIGHTCTRL, - kbd_ctrl_xlate, ARRAY_SIZE(kbd_ctrl_xlate))) { - debug("%s: Could not add modifier tables\n", __func__); - return -1; - } - - return 0; -} - -int input_stdio_register(struct stdio_dev *dev) -{ - int error; - - error = stdio_register(dev); - - /* check if this is the standard input device */ - if (!error && strcmp(getenv("stdin"), dev->name) == 0) { - /* reassign the console */ - if (OVERWRITE_CONSOLE || - console_assign(stdin, dev->name)) - return -1; - } - - return 0; -} diff --git a/qemu/roms/u-boot/drivers/input/key_matrix.c b/qemu/roms/u-boot/drivers/input/key_matrix.c deleted file mode 100644 index 8867e4964..000000000 --- a/qemu/roms/u-boot/drivers/input/key_matrix.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - * Manage Keyboard Matrices - * - * Copyright (c) 2012 The Chromium OS Authors. - * (C) Copyright 2004 DENX Software Engineering, Wolfgang Denk, wd@denx.de - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <fdtdec.h> -#include <key_matrix.h> -#include <malloc.h> -#include <linux/input.h> - -/** - * Determine if the current keypress configuration can cause key ghosting - * - * We figure this out by seeing if we have two or more keys in the same - * column, as well as two or more keys in the same row. - * - * @param config Keyboard matrix config - * @param keys List of keys to check - * @param valid Number of valid keypresses to check - * @return 0 if no ghosting is possible, 1 if it is - */ -static int has_ghosting(struct key_matrix *config, struct key_matrix_key *keys, - int valid) -{ - int key_in_same_col = 0, key_in_same_row = 0; - int i, j; - - if (!config->ghost_filter || valid < 3) - return 0; - - for (i = 0; i < valid; i++) { - /* - * Find 2 keys such that one key is in the same row - * and the other is in the same column as the i-th key. - */ - for (j = i + 1; j < valid; j++) { - if (keys[j].col == keys[i].col) - key_in_same_col = 1; - if (keys[j].row == keys[i].row) - key_in_same_row = 1; - } - } - - if (key_in_same_col && key_in_same_row) - return 1; - else - return 0; -} - -int key_matrix_decode(struct key_matrix *config, struct key_matrix_key keys[], - int num_keys, int keycode[], int max_keycodes) -{ - const u8 *keymap; - int valid, upto; - int pos; - - debug("%s: num_keys = %d\n", __func__, num_keys); - keymap = config->plain_keycode; - for (valid = upto = 0; upto < num_keys; upto++) { - struct key_matrix_key *key = &keys[upto]; - - debug(" valid=%d, row=%d, col=%d\n", key->valid, key->row, - key->col); - if (!key->valid) - continue; - pos = key->row * config->num_cols + key->col; - if (config->fn_keycode && pos == config->fn_pos) - keymap = config->fn_keycode; - - /* Convert the (row, col) values into a keycode */ - if (valid < max_keycodes) - keycode[valid++] = keymap[pos]; - debug(" keycode=%d\n", keymap[pos]); - } - - /* For a ghost key config, ignore the keypresses for this iteration. */ - if (has_ghosting(config, keys, valid)) { - valid = 0; - debug(" ghosting detected!\n"); - } - debug(" %d valid keycodes found\n", valid); - - return valid; -} - -/** - * Create a new keycode map from some provided data - * - * This decodes a keycode map in the format used by the fdt, which is one - * word per entry, with the row, col and keycode encoded in that word. - * - * We create a (row x col) size byte array with each entry containing the - * keycode for that (row, col). We also search for map_keycode and return - * its position if found (this is used for finding the Fn key). - * - * @param config Key matrix dimensions structure - * @param data Keycode data - * @param len Number of entries in keycode table - * @param map_keycode Key code to find in the map - * @param pos Returns position of map_keycode, if found, else -1 - * @return map Pointer to allocated map - */ -static uchar *create_keymap(struct key_matrix *config, u32 *data, int len, - int map_keycode, int *pos) -{ - uchar *map; - - if (pos) - *pos = -1; - map = (uchar *)calloc(1, config->key_count); - if (!map) { - debug("%s: failed to malloc %d bytes\n", __func__, - config->key_count); - return NULL; - } - - for (; len >= sizeof(u32); data++, len -= 4) { - u32 tmp = fdt32_to_cpu(*data); - int key_code, row, col; - int entry; - - row = (tmp >> 24) & 0xff; - col = (tmp >> 16) & 0xff; - key_code = tmp & 0xffff; - entry = row * config->num_cols + col; - map[entry] = key_code; - debug(" map %d, %d: pos=%d, keycode=%d\n", row, col, - entry, key_code); - if (pos && map_keycode == key_code) - *pos = entry; - } - - return map; -} - -int key_matrix_decode_fdt(struct key_matrix *config, const void *blob, int node) -{ - const struct fdt_property *prop; - int proplen; - uchar *plain_keycode; - - prop = fdt_get_property(blob, node, "linux,keymap", &proplen); - /* Basic keymap is required */ - if (!prop) { - debug("%s: cannot find keycode-plain map\n", __func__); - return -1; - } - - plain_keycode = create_keymap(config, (u32 *)prop->data, - proplen, KEY_FN, &config->fn_pos); - config->plain_keycode = plain_keycode; - /* Conversion error -> fail */ - if (!config->plain_keycode) - return -1; - - prop = fdt_get_property(blob, node, "linux,fn-keymap", &proplen); - /* fn keymap is optional */ - if (!prop) - goto done; - - config->fn_keycode = create_keymap(config, (u32 *)prop->data, - proplen, -1, NULL); - /* Conversion error -> fail */ - if (!config->fn_keycode) { - free(plain_keycode); - return -1; - } - -done: - debug("%s: Decoded key maps %p, %p from fdt\n", __func__, - config->plain_keycode, config->fn_keycode); - return 0; -} - -int key_matrix_init(struct key_matrix *config, int rows, int cols, - int ghost_filter) -{ - memset(config, '\0', sizeof(*config)); - config->num_rows = rows; - config->num_cols = cols; - config->key_count = rows * cols; - config->ghost_filter = ghost_filter; - assert(config->key_count > 0); - - return 0; -} diff --git a/qemu/roms/u-boot/drivers/input/keyboard.c b/qemu/roms/u-boot/drivers/input/keyboard.c deleted file mode 100644 index 614592ef3..000000000 --- a/qemu/roms/u-boot/drivers/input/keyboard.c +++ /dev/null @@ -1,300 +0,0 @@ -/*********************************************************************** - * - * (C) Copyright 2004 - * DENX Software Engineering - * Wolfgang Denk, wd@denx.de - * - * Keyboard driver - * - ***********************************************************************/ - -#include <common.h> - -#include <stdio_dev.h> -#include <keyboard.h> - -#undef KBG_DEBUG - -#ifdef KBG_DEBUG -#define PRINTF(fmt,args...) printf (fmt ,##args) -#else -#define PRINTF(fmt,args...) -#endif - - -#define DEVNAME "kbd" - -#define LED_SCR 0x01 /* scroll lock led */ -#define LED_CAP 0x04 /* caps lock led */ -#define LED_NUM 0x02 /* num lock led */ - -#define KBD_BUFFER_LEN 0x20 /* size of the keyboardbuffer */ - -#if defined(CONFIG_MPC5xxx) || defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555) -int ps2ser_check(void); -#endif - -static volatile char kbd_buffer[KBD_BUFFER_LEN]; -static volatile int in_pointer = 0; -static volatile int out_pointer = 0; - -static unsigned char leds = 0; -static unsigned char num_lock = 0; -static unsigned char caps_lock = 0; -static unsigned char scroll_lock = 0; -static unsigned char shift = 0; -static unsigned char ctrl = 0; -static unsigned char alt = 0; -static unsigned char e0 = 0; - -/****************************************************************** - * Queue handling - ******************************************************************/ - -/* puts character in the queue and sets up the in and out pointer */ -static void kbd_put_queue(char data) -{ - if((in_pointer+1)==KBD_BUFFER_LEN) { - if(out_pointer==0) { - return; /* buffer full */ - } else{ - in_pointer=0; - } - } else { - if((in_pointer+1)==out_pointer) - return; /* buffer full */ - in_pointer++; - } - kbd_buffer[in_pointer]=data; - return; -} - -/* test if a character is in the queue */ -static int kbd_testc(void) -{ -#if defined(CONFIG_MPC5xxx) || defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555) - /* no ISR is used, so received chars must be polled */ - ps2ser_check(); -#endif - if(in_pointer==out_pointer) - return(0); /* no data */ - else - return(1); -} - -/* gets the character from the queue */ -static int kbd_getc(void) -{ - char c; - while(in_pointer==out_pointer) { -#if defined(CONFIG_MPC5xxx) || defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555) - /* no ISR is used, so received chars must be polled */ - ps2ser_check(); -#endif - ;} - if((out_pointer+1)==KBD_BUFFER_LEN) - out_pointer=0; - else - out_pointer++; - c=kbd_buffer[out_pointer]; - return (int)c; - -} - -/* Simple translation table for the keys */ - -static unsigned char kbd_plain_xlate[] = { - 0xff,0x1b, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=','\b','\t', /* 0x00 - 0x0f */ - 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']','\r',0xff, 'a', 's', /* 0x10 - 0x1f */ - 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';','\'', '`',0xff,'\\', 'z', 'x', 'c', 'v', /* 0x20 - 0x2f */ - 'b', 'n', 'm', ',', '.', '/',0xff,0xff,0xff, ' ',0xff,0xff,0xff,0xff,0xff,0xff, /* 0x30 - 0x3f */ - 0xff,0xff,0xff,0xff,0xff,0xff,0xff, '7', '8', '9', '-', '4', '5', '6', '+', '1', /* 0x40 - 0x4f */ - '2', '3', '0', '.',0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, /* 0x50 - 0x5F */ - '\r',0xff,0xff - }; - -static unsigned char kbd_shift_xlate[] = { - 0xff,0x1b, '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+','\b','\t', /* 0x00 - 0x0f */ - 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}','\r',0xff, 'A', 'S', /* 0x10 - 0x1f */ - 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"', '~',0xff, '|', 'Z', 'X', 'C', 'V', /* 0x20 - 0x2f */ - 'B', 'N', 'M', '<', '>', '?',0xff,0xff,0xff, ' ',0xff,0xff,0xff,0xff,0xff,0xff, /* 0x30 - 0x3f */ - 0xff,0xff,0xff,0xff,0xff,0xff,0xff, '7', '8', '9', '-', '4', '5', '6', '+', '1', /* 0x40 - 0x4f */ - '2', '3', '0', '.',0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, /* 0x50 - 0x5F */ - '\r',0xff,0xff - }; - -static unsigned char kbd_ctrl_xlate[] = { - 0xff,0x1b, '1',0x00, '3', '4', '5',0x1E, '7', '8', '9', '0',0x1F, '=','\b','\t', /* 0x00 - 0x0f */ - 0x11,0x17,0x05,0x12,0x14,0x18,0x15,0x09,0x0f,0x10,0x1b,0x1d,'\n',0xff,0x01,0x13, /* 0x10 - 0x1f */ - 0x04,0x06,0x08,0x09,0x0a,0x0b,0x0c, ';','\'', '~',0x00,0x1c,0x1a,0x18,0x03,0x16, /* 0x20 - 0x2f */ - 0x02,0x0e,0x0d, '<', '>', '?',0xff,0xff,0xff,0x00,0xff,0xff,0xff,0xff,0xff,0xff, /* 0x30 - 0x3f */ - 0xff,0xff,0xff,0xff,0xff,0xff,0xff, '7', '8', '9', '-', '4', '5', '6', '+', '1', /* 0x40 - 0x4f */ - '2', '3', '0', '.',0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, /* 0x50 - 0x5F */ - '\r',0xff,0xff - }; - - -void handle_scancode(unsigned char scancode) -{ - unsigned char keycode; - - /* Convert scancode to keycode */ - PRINTF("scancode %x\n",scancode); - if(scancode==0xe0) { - e0=1; /* special charakters */ - return; - } - if(e0==1) { - e0=0; /* delete flag */ - if(!( ((scancode&0x7F)==0x38)|| /* the right ctrl key */ - ((scancode&0x7F)==0x1D)|| /* the right alt key */ - ((scancode&0x7F)==0x35)|| /* the right '/' key */ - ((scancode&0x7F)==0x1C) )) /* the right enter key */ - /* we swallow unknown e0 codes */ - return; - } - /* special cntrl keys */ - switch(scancode) { - case 0x2A: - case 0x36: /* shift pressed */ - shift=1; - return; /* do nothing else */ - case 0xAA: - case 0xB6: /* shift released */ - shift=0; - return; /* do nothing else */ - case 0x38: /* alt pressed */ - alt=1; - return; /* do nothing else */ - case 0xB8: /* alt released */ - alt=0; - return; /* do nothing else */ - case 0x1d: /* ctrl pressed */ - ctrl=1; - return; /* do nothing else */ - case 0x9d: /* ctrl released */ - ctrl=0; - return; /* do nothing else */ - case 0x46: /* scrollock pressed */ - scroll_lock=~scroll_lock; - if(scroll_lock==0) - leds&=~LED_SCR; /* switch LED off */ - else - leds|=LED_SCR; /* switch on LED */ - pckbd_leds(leds); - return; /* do nothing else */ - case 0x3A: /* capslock pressed */ - caps_lock=~caps_lock; - if(caps_lock==0) - leds&=~LED_CAP; /* switch caps_lock off */ - else - leds|=LED_CAP; /* switch on LED */ - pckbd_leds(leds); - return; - case 0x45: /* numlock pressed */ - num_lock=~num_lock; - if(num_lock==0) - leds&=~LED_NUM; /* switch LED off */ - else - leds|=LED_NUM; /* switch on LED */ - pckbd_leds(leds); - return; - case 0xC6: /* scroll lock released */ - case 0xC5: /* num lock released */ - case 0xBA: /* caps lock released */ - return; /* just swallow */ - } -#if 1 - if((scancode&0x80)==0x80) /* key released */ - return; -#else - if((scancode&0x80)==0x00) /* key pressed */ - return; - scancode &= ~0x80; -#endif - /* now, decide which table we need */ - if(scancode > (sizeof(kbd_plain_xlate)/sizeof(kbd_plain_xlate[0]))) { /* scancode not in list */ - PRINTF("unkown scancode %X\n",scancode); - return; /* swallow it */ - } - /* setup plain code first */ - keycode=kbd_plain_xlate[scancode]; - if(caps_lock==1) { /* caps_lock is pressed, overwrite plain code */ - if(scancode > (sizeof(kbd_shift_xlate)/sizeof(kbd_shift_xlate[0]))) { /* scancode not in list */ - PRINTF("unkown caps-locked scancode %X\n",scancode); - return; /* swallow it */ - } - keycode=kbd_shift_xlate[scancode]; - if(keycode<'A') { /* we only want the alphas capital */ - keycode=kbd_plain_xlate[scancode]; - } - } - if(shift==1) { /* shift overwrites caps_lock */ - if(scancode > (sizeof(kbd_shift_xlate)/sizeof(kbd_shift_xlate[0]))) { /* scancode not in list */ - PRINTF("unkown shifted scancode %X\n",scancode); - return; /* swallow it */ - } - keycode=kbd_shift_xlate[scancode]; - } - if(ctrl==1) { /* ctrl overwrites caps_lock and shift */ - if(scancode > (sizeof(kbd_ctrl_xlate)/sizeof(kbd_ctrl_xlate[0]))) { /* scancode not in list */ - PRINTF("unkown ctrl scancode %X\n",scancode); - return; /* swallow it */ - } - keycode=kbd_ctrl_xlate[scancode]; - } - /* check if valid keycode */ - if(keycode==0xff) { - PRINTF("unkown scancode %X\n",scancode); - return; /* swallow unknown codes */ - } - - kbd_put_queue(keycode); - PRINTF("%x\n",keycode); -} - -/****************************************************************** - * Init - ******************************************************************/ - -#ifdef CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE -extern int overwrite_console (void); -#define OVERWRITE_CONSOLE overwrite_console () -#else -#define OVERWRITE_CONSOLE 0 -#endif /* CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE */ - -int kbd_init (void) -{ - int error; - struct stdio_dev kbddev ; - char *stdinname = getenv ("stdin"); - - if(kbd_init_hw()==-1) - return -1; - memset (&kbddev, 0, sizeof(kbddev)); - strcpy(kbddev.name, DEVNAME); - kbddev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM; - kbddev.putc = NULL ; - kbddev.puts = NULL ; - kbddev.getc = kbd_getc ; - kbddev.tstc = kbd_testc ; - - error = stdio_register (&kbddev); - if(error==0) { - /* check if this is the standard input device */ - if(strcmp(stdinname,DEVNAME)==0) { - /* reassign the console */ - if(OVERWRITE_CONSOLE) { - return 1; - } - error=console_assign(stdin,DEVNAME); - if(error==0) - return 1; - else - return error; - } - return 1; - } - return error; -} diff --git a/qemu/roms/u-boot/drivers/input/pc_keyb.c b/qemu/roms/u-boot/drivers/input/pc_keyb.c deleted file mode 100644 index 1606ab33f..000000000 --- a/qemu/roms/u-boot/drivers/input/pc_keyb.c +++ /dev/null @@ -1,251 +0,0 @@ -/*********************************************************************** - * - * (C) Copyright 2004 - * DENX Software Engineering - * Wolfgang Denk, wd@denx.de - * - * PS/2 keyboard driver - * - * Originally from linux source (drivers/char/pc_keyb.c) - * - ***********************************************************************/ - -#include <common.h> - -#include <keyboard.h> -#include <pc_keyb.h> - -#undef KBG_DEBUG - -#ifdef KBG_DEBUG -#define PRINTF(fmt,args...) printf (fmt ,##args) -#else -#define PRINTF(fmt,args...) -#endif - - -/* - * This reads the keyboard status port, and does the - * appropriate action. - * - */ -static unsigned char handle_kbd_event(void) -{ - unsigned char status = kbd_read_status(); - unsigned int work = 10000; - - while ((--work > 0) && (status & KBD_STAT_OBF)) { - unsigned char scancode; - - scancode = kbd_read_input(); - - /* Error bytes must be ignored to make the - Synaptics touchpads compaq use work */ - /* Ignore error bytes */ - if (!(status & (KBD_STAT_GTO | KBD_STAT_PERR))) { - if (status & KBD_STAT_MOUSE_OBF) - ; /* not supported: handle_mouse_event(scancode); */ - else - handle_scancode(scancode); - } - status = kbd_read_status(); - } - if (!work) - PRINTF("pc_keyb: controller jammed (0x%02X).\n", status); - return status; -} - - -static int kbd_read_data(void) -{ - int val; - unsigned char status; - - val = -1; - status = kbd_read_status(); - if (status & KBD_STAT_OBF) { - val = kbd_read_input(); - if (status & (KBD_STAT_GTO | KBD_STAT_PERR)) - val = -2; - } - return val; -} - -static int kbd_wait_for_input(void) -{ - unsigned long timeout; - int val; - - timeout = KBD_TIMEOUT; - val=kbd_read_data(); - while(val < 0) { - if(timeout--==0) - return -1; - udelay(1000); - val=kbd_read_data(); - } - return val; -} - - -static int kb_wait(void) -{ - unsigned long timeout = KBC_TIMEOUT * 10; - - do { - unsigned char status = handle_kbd_event(); - if (!(status & KBD_STAT_IBF)) - return 0; /* ok */ - udelay(1000); - timeout--; - } while (timeout); - return 1; -} - -static void kbd_write_command_w(int data) -{ - if(kb_wait()) - PRINTF("timeout in kbd_write_command_w\n"); - kbd_write_command(data); -} - -static void kbd_write_output_w(int data) -{ - if(kb_wait()) - PRINTF("timeout in kbd_write_output_w\n"); - kbd_write_output(data); -} - -static void kbd_send_data(unsigned char data) -{ - kbd_write_output_w(data); - kbd_wait_for_input(); -} - - -static char * kbd_initialize(void) -{ - int status; - - /* - * Test the keyboard interface. - * This seems to be the only way to get it going. - * If the test is successful a x55 is placed in the input buffer. - */ - kbd_write_command_w(KBD_CCMD_SELF_TEST); - if (kbd_wait_for_input() != 0x55) - return "Kbd: failed self test"; - /* - * Perform a keyboard interface test. This causes the controller - * to test the keyboard clock and data lines. The results of the - * test are placed in the input buffer. - */ - kbd_write_command_w(KBD_CCMD_KBD_TEST); - if (kbd_wait_for_input() != 0x00) - return "Kbd: interface failed self test"; - /* - * Enable the keyboard by allowing the keyboard clock to run. - */ - kbd_write_command_w(KBD_CCMD_KBD_ENABLE); - - /* - * Reset keyboard. If the read times out - * then the assumption is that no keyboard is - * plugged into the machine. - * This defaults the keyboard to scan-code set 2. - * - * Set up to try again if the keyboard asks for RESEND. - */ - do { - kbd_write_output_w(KBD_CMD_RESET); - status = kbd_wait_for_input(); - if (status == KBD_REPLY_ACK) - break; - if (status != KBD_REPLY_RESEND) { - PRINTF("status: %X\n",status); - return "Kbd: reset failed, no ACK"; - } - } while (1); - if (kbd_wait_for_input() != KBD_REPLY_POR) - return "Kbd: reset failed, no POR"; - - /* - * Set keyboard controller mode. During this, the keyboard should be - * in the disabled state. - * - * Set up to try again if the keyboard asks for RESEND. - */ - do { - kbd_write_output_w(KBD_CMD_DISABLE); - status = kbd_wait_for_input(); - if (status == KBD_REPLY_ACK) - break; - if (status != KBD_REPLY_RESEND) - return "Kbd: disable keyboard: no ACK"; - } while (1); - - kbd_write_command_w(KBD_CCMD_WRITE_MODE); - kbd_write_output_w(KBD_MODE_KBD_INT - | KBD_MODE_SYS - | KBD_MODE_DISABLE_MOUSE - | KBD_MODE_KCC); - - /* AMCC powerpc portables need this to use scan-code set 1 -- Cort */ - kbd_write_command_w(KBD_CCMD_READ_MODE); - if (!(kbd_wait_for_input() & KBD_MODE_KCC)) { - /* - * If the controller does not support conversion, - * Set the keyboard to scan-code set 1. - */ - kbd_write_output_w(0xF0); - kbd_wait_for_input(); - kbd_write_output_w(0x01); - kbd_wait_for_input(); - } - kbd_write_output_w(KBD_CMD_ENABLE); - if (kbd_wait_for_input() != KBD_REPLY_ACK) - return "Kbd: enable keyboard: no ACK"; - - /* - * Finally, set the typematic rate to maximum. - */ - kbd_write_output_w(KBD_CMD_SET_RATE); - if (kbd_wait_for_input() != KBD_REPLY_ACK) - return "Kbd: Set rate: no ACK"; - kbd_write_output_w(0x00); - if (kbd_wait_for_input() != KBD_REPLY_ACK) - return "Kbd: Set rate: no ACK"; - return NULL; -} - -static void kbd_interrupt(void *dev_id) -{ - handle_kbd_event(); -} - -/****************************************************************** - * Init - ******************************************************************/ - -int kbd_init_hw(void) -{ - char* result; - - kbd_request_region(); - - result=kbd_initialize(); - if (result==NULL) { - PRINTF("AT Keyboard initialized\n"); - kbd_request_irq(kbd_interrupt); - return (1); - } else { - printf("%s\n",result); - return (-1); - } -} - -void pckbd_leds(unsigned char leds) -{ - kbd_send_data(KBD_CMD_SET_LEDS); - kbd_send_data(leds); -} diff --git a/qemu/roms/u-boot/drivers/input/ps2mult.c b/qemu/roms/u-boot/drivers/input/ps2mult.c deleted file mode 100644 index ab749336b..000000000 --- a/qemu/roms/u-boot/drivers/input/ps2mult.c +++ /dev/null @@ -1,461 +0,0 @@ -/*********************************************************************** - * - * (C) Copyright 2004 - * DENX Software Engineering - * Wolfgang Denk, wd@denx.de - * - * PS/2 multiplexer driver - * - * Originally from linux source (drivers/char/ps2mult.c) - * - * Uses simple serial driver (ps2ser.c) to access the multiplexer - * Used by PS/2 keyboard driver (pc_keyb.c) - * - ***********************************************************************/ - -#include <common.h> - -#include <pc_keyb.h> -#include <asm/atomic.h> -#include <ps2mult.h> - -/* #define DEBUG_MULT */ -/* #define DEBUG_KEYB */ - -#define KBD_STAT_DEFAULT (KBD_STAT_SELFTEST | KBD_STAT_UNLOCKED) - -#define PRINTF(format, args...) printf("ps2mult.c: " format, ## args) - -#ifdef DEBUG_MULT -#define PRINTF_MULT(format, args...) printf("PS2MULT: " format, ## args) -#else -#define PRINTF_MULT(format, args...) -#endif - -#ifdef DEBUG_KEYB -#define PRINTF_KEYB(format, args...) printf("KEYB: " format, ## args) -#else -#define PRINTF_KEYB(format, args...) -#endif - - -static ulong start_time; -static int init_done = 0; - -static int received_escape = 0; -static int received_bsync = 0; -static int received_selector = 0; - -static int kbd_command_active = 0; -static int mouse_command_active = 0; -static int ctl_command_active = 0; - -static u_char command_byte = 0; - -static void (*keyb_handler)(void *dev_id); - -static u_char ps2mult_buf [PS2BUF_SIZE]; -static atomic_t ps2mult_buf_cnt; -static int ps2mult_buf_in_idx; -static int ps2mult_buf_out_idx; - -static u_char ps2mult_buf_status [PS2BUF_SIZE]; - -#ifndef CONFIG_BOARD_EARLY_INIT_R -#error #define CONFIG_BOARD_EARLY_INIT_R and call ps2mult_early_init() in board_early_init_r() -#endif -void ps2mult_early_init (void) -{ - start_time = get_timer(0); -} - -static void ps2mult_send_byte(u_char byte, u_char sel) -{ - ps2ser_putc(sel); - - if (sel == PS2MULT_KB_SELECTOR) { - PRINTF_MULT("0x%02x send KEYBOARD\n", byte); - kbd_command_active = 1; - } else { - PRINTF_MULT("0x%02x send MOUSE\n", byte); - mouse_command_active = 1; - } - - switch (byte) { - case PS2MULT_ESCAPE: - case PS2MULT_BSYNC: - case PS2MULT_KB_SELECTOR: - case PS2MULT_MS_SELECTOR: - case PS2MULT_SESSION_START: - case PS2MULT_SESSION_END: - ps2ser_putc(PS2MULT_ESCAPE); - break; - default: - break; - } - - ps2ser_putc(byte); -} - -static void ps2mult_receive_byte(u_char byte, u_char sel) -{ - u_char status = KBD_STAT_DEFAULT; - -#if 1 /* Ignore mouse in U-Boot */ - if (sel == PS2MULT_MS_SELECTOR) return; -#endif - - if (sel == PS2MULT_KB_SELECTOR) { - if (kbd_command_active) { - if (!received_bsync) { - PRINTF_MULT("0x%02x lost KEYBOARD !!!\n", byte); - return; - } else { - kbd_command_active = 0; - received_bsync = 0; - } - } - PRINTF_MULT("0x%02x receive KEYBOARD\n", byte); - status |= KBD_STAT_IBF | KBD_STAT_OBF; - } else { - if (mouse_command_active) { - if (!received_bsync) { - PRINTF_MULT("0x%02x lost MOUSE !!!\n", byte); - return; - } else { - mouse_command_active = 0; - received_bsync = 0; - } - } - PRINTF_MULT("0x%02x receive MOUSE\n", byte); - status |= KBD_STAT_IBF | KBD_STAT_OBF | KBD_STAT_MOUSE_OBF; - } - - if (atomic_read(&ps2mult_buf_cnt) < PS2BUF_SIZE) { - ps2mult_buf_status[ps2mult_buf_in_idx] = status; - ps2mult_buf[ps2mult_buf_in_idx++] = byte; - ps2mult_buf_in_idx &= (PS2BUF_SIZE - 1); - atomic_inc(&ps2mult_buf_cnt); - } else { - PRINTF("buffer overflow\n"); - } - - if (received_bsync) { - PRINTF("unexpected BSYNC\n"); - received_bsync = 0; - } -} - -void ps2mult_callback (int in_cnt) -{ - int i; - u_char byte; - static int keyb_handler_active = 0; - - if (!init_done) { - return; - } - - for (i = 0; i < in_cnt; i ++) { - byte = ps2ser_getc(); - - if (received_escape) { - ps2mult_receive_byte(byte, received_selector); - received_escape = 0; - } else switch (byte) { - case PS2MULT_ESCAPE: - PRINTF_MULT("ESCAPE receive\n"); - received_escape = 1; - break; - - case PS2MULT_BSYNC: - PRINTF_MULT("BSYNC receive\n"); - received_bsync = 1; - break; - - case PS2MULT_KB_SELECTOR: - case PS2MULT_MS_SELECTOR: - PRINTF_MULT("%s receive\n", - byte == PS2MULT_KB_SELECTOR ? "KB_SEL" : "MS_SEL"); - received_selector = byte; - break; - - case PS2MULT_SESSION_START: - case PS2MULT_SESSION_END: - PRINTF_MULT("%s receive\n", - byte == PS2MULT_SESSION_START ? - "SESSION_START" : "SESSION_END"); - break; - - default: - ps2mult_receive_byte(byte, received_selector); - } - } - - if (keyb_handler && !keyb_handler_active && - atomic_read(&ps2mult_buf_cnt)) { - keyb_handler_active = 1; - keyb_handler(NULL); - keyb_handler_active = 0; - } -} - -u_char ps2mult_read_status(void) -{ - u_char byte; - - if (atomic_read(&ps2mult_buf_cnt) == 0) { - ps2ser_check(); - } - - if (atomic_read(&ps2mult_buf_cnt)) { - byte = ps2mult_buf_status[ps2mult_buf_out_idx]; - } else { - byte = KBD_STAT_DEFAULT; - } - PRINTF_KEYB("read_status()=0x%02x\n", byte); - return byte; -} - -u_char ps2mult_read_input(void) -{ - u_char byte = 0; - - if (atomic_read(&ps2mult_buf_cnt) == 0) { - ps2ser_check(); - } - - if (atomic_read(&ps2mult_buf_cnt)) { - byte = ps2mult_buf[ps2mult_buf_out_idx++]; - ps2mult_buf_out_idx &= (PS2BUF_SIZE - 1); - atomic_dec(&ps2mult_buf_cnt); - } - PRINTF_KEYB("read_input()=0x%02x\n", byte); - return byte; -} - -void ps2mult_write_output(u_char val) -{ - int i; - - PRINTF_KEYB("write_output(0x%02x)\n", val); - - for (i = 0; i < KBD_TIMEOUT; i++) { - if (!kbd_command_active && !mouse_command_active) { - break; - } - udelay(1000); - ps2ser_check(); - } - - if (kbd_command_active) { - PRINTF("keyboard command not acknoledged\n"); - kbd_command_active = 0; - } - - if (mouse_command_active) { - PRINTF("mouse command not acknoledged\n"); - mouse_command_active = 0; - } - - if (ctl_command_active) { - switch (ctl_command_active) { - case KBD_CCMD_WRITE_MODE: - /* Scan code conversion not supported */ - command_byte = val & ~KBD_MODE_KCC; - break; - - case KBD_CCMD_WRITE_AUX_OBUF: - ps2mult_receive_byte(val, PS2MULT_MS_SELECTOR); - break; - - case KBD_CCMD_WRITE_MOUSE: - ps2mult_send_byte(val, PS2MULT_MS_SELECTOR); - break; - - default: - PRINTF("invalid controller command\n"); - break; - } - - ctl_command_active = 0; - return; - } - - ps2mult_send_byte(val, PS2MULT_KB_SELECTOR); -} - -void ps2mult_write_command(u_char val) -{ - ctl_command_active = 0; - - PRINTF_KEYB("write_command(0x%02x)\n", val); - - switch (val) { - case KBD_CCMD_READ_MODE: - ps2mult_receive_byte(command_byte, PS2MULT_KB_SELECTOR); - break; - - case KBD_CCMD_WRITE_MODE: - ctl_command_active = val; - break; - - case KBD_CCMD_MOUSE_DISABLE: - break; - - case KBD_CCMD_MOUSE_ENABLE: - break; - - case KBD_CCMD_SELF_TEST: - ps2mult_receive_byte(0x55, PS2MULT_KB_SELECTOR); - break; - - case KBD_CCMD_KBD_TEST: - ps2mult_receive_byte(0x00, PS2MULT_KB_SELECTOR); - break; - - case KBD_CCMD_KBD_DISABLE: - break; - - case KBD_CCMD_KBD_ENABLE: - break; - - case KBD_CCMD_WRITE_AUX_OBUF: - ctl_command_active = val; - break; - - case KBD_CCMD_WRITE_MOUSE: - ctl_command_active = val; - break; - - default: - PRINTF("invalid controller command\n"); - break; - } -} - -static int ps2mult_getc_w (void) -{ - int res = -1; - int i; - - for (i = 0; i < KBD_TIMEOUT; i++) { - if (ps2ser_check()) { - res = ps2ser_getc(); - break; - } - udelay(1000); - } - - switch (res) { - case PS2MULT_KB_SELECTOR: - case PS2MULT_MS_SELECTOR: - received_selector = res; - break; - default: - break; - } - - return res; -} - -int ps2mult_init (void) -{ - int byte; - int kbd_found = 0; - int mouse_found = 0; - - while (get_timer(start_time) < CONFIG_PS2MULT_DELAY); - - ps2ser_init(); - - ps2ser_putc(PS2MULT_SESSION_START); - - ps2ser_putc(PS2MULT_KB_SELECTOR); - ps2ser_putc(KBD_CMD_RESET); - - do { - byte = ps2mult_getc_w(); - } while (byte >= 0 && byte != KBD_REPLY_ACK); - - if (byte == KBD_REPLY_ACK) { - byte = ps2mult_getc_w(); - if (byte == 0xaa) { - kbd_found = 1; - puts("keyboard"); - } - } - - if (!kbd_found) { - while (byte >= 0) { - byte = ps2mult_getc_w(); - } - } - -#if 1 /* detect mouse */ - ps2ser_putc(PS2MULT_MS_SELECTOR); - ps2ser_putc(AUX_RESET); - - do { - byte = ps2mult_getc_w(); - } while (byte >= 0 && byte != AUX_ACK); - - if (byte == AUX_ACK) { - byte = ps2mult_getc_w(); - if (byte == 0xaa) { - byte = ps2mult_getc_w(); - if (byte == 0x00) { - mouse_found = 1; - puts(", mouse"); - } - } - } - - if (!mouse_found) { - while (byte >= 0) { - byte = ps2mult_getc_w(); - } - } -#endif - - if (mouse_found || kbd_found) { - if (!received_selector) { - if (mouse_found) { - received_selector = PS2MULT_MS_SELECTOR; - } else { - received_selector = PS2MULT_KB_SELECTOR; - } - } - - init_done = 1; - } else { - puts("No device found"); - } - - puts("\n"); - -#if 0 /* for testing */ - { - int i; - u_char key[] = { - 0x1f, 0x12, 0x14, 0x12, 0x31, 0x2f, 0x39, /* setenv */ - 0x1f, 0x14, 0x20, 0x17, 0x31, 0x39, /* stdin */ - 0x1f, 0x12, 0x13, 0x17, 0x1e, 0x26, 0x1c, /* serial */ - }; - - for (i = 0; i < sizeof (key); i++) { - ps2mult_receive_byte (key[i], PS2MULT_KB_SELECTOR); - ps2mult_receive_byte (key[i] | 0x80, PS2MULT_KB_SELECTOR); - } - } -#endif - - return init_done ? 0 : -1; -} - -int ps2mult_request_irq(void (*handler)(void *)) -{ - keyb_handler = handler; - - return 0; -} diff --git a/qemu/roms/u-boot/drivers/input/ps2ser.c b/qemu/roms/u-boot/drivers/input/ps2ser.c deleted file mode 100644 index bcbe52af1..000000000 --- a/qemu/roms/u-boot/drivers/input/ps2ser.c +++ /dev/null @@ -1,241 +0,0 @@ -/*********************************************************************** - * - * (C) Copyright 2004-2009 - * DENX Software Engineering - * Wolfgang Denk, wd@denx.de - * - * Simple 16550A serial driver - * - * Originally from linux source (drivers/char/ps2ser.c) - * - * Used by the PS/2 multiplexer driver (ps2mult.c) - * - ***********************************************************************/ - -#include <common.h> - -#include <asm/io.h> -#include <asm/atomic.h> -#include <ps2mult.h> -/* This is needed for ns16550.h */ -#ifndef CONFIG_SYS_NS16550_REG_SIZE -#define CONFIG_SYS_NS16550_REG_SIZE 1 -#endif -#include <ns16550.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* #define DEBUG */ - -#define PS2SER_BAUD 57600 - -#ifdef CONFIG_MPC5xxx -#if CONFIG_PS2SERIAL == 1 -#define PSC_BASE MPC5XXX_PSC1 -#elif CONFIG_PS2SERIAL == 2 -#define PSC_BASE MPC5XXX_PSC2 -#elif CONFIG_PS2SERIAL == 3 -#define PSC_BASE MPC5XXX_PSC3 -#elif CONFIG_PS2SERIAL == 4 -#define PSC_BASE MPC5XXX_PSC4 -#elif CONFIG_PS2SERIAL == 5 -#define PSC_BASE MPC5XXX_PSC5 -#elif CONFIG_PS2SERIAL == 6 -#define PSC_BASE MPC5XXX_PSC6 -#else -#error CONFIG_PS2SERIAL must be in 1 ... 6 -#endif - -#else - -#if CONFIG_PS2SERIAL == 1 -#define COM_BASE (CONFIG_SYS_CCSRBAR+0x4500) -#elif CONFIG_PS2SERIAL == 2 -#define COM_BASE (CONFIG_SYS_CCSRBAR+0x4600) -#else -#error CONFIG_PS2SERIAL must be in 1 ... 2 -#endif - -#endif /* CONFIG_MPC5xxx / other */ - -static int ps2ser_getc_hw(void); -static void ps2ser_interrupt(void *dev_id); - -extern struct serial_state rs_table[]; /* in serial.c */ - -static u_char ps2buf[PS2BUF_SIZE]; -static atomic_t ps2buf_cnt; -static int ps2buf_in_idx; -static int ps2buf_out_idx; - -#ifdef CONFIG_MPC5xxx -int ps2ser_init(void) -{ - volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; - unsigned long baseclk; - int div; - - /* reset PSC */ - psc->command = PSC_SEL_MODE_REG_1; - - /* select clock sources */ - psc->psc_clock_select = 0; - baseclk = (gd->arch.ipb_clk + 16) / 32; - - /* switch to UART mode */ - psc->sicr = 0; - - /* configure parity, bit length and so on */ - psc->mode = PSC_MODE_8_BITS | PSC_MODE_PARNONE; - psc->mode = PSC_MODE_ONE_STOP; - - /* set up UART divisor */ - div = (baseclk + (PS2SER_BAUD/2)) / PS2SER_BAUD; - psc->ctur = (div >> 8) & 0xff; - psc->ctlr = div & 0xff; - - /* disable all interrupts */ - psc->psc_imr = 0; - - /* reset and enable Rx/Tx */ - psc->command = PSC_RST_RX; - psc->command = PSC_RST_TX; - psc->command = PSC_RX_ENABLE | PSC_TX_ENABLE; - - return (0); -} - -#else - -int ps2ser_init(void) -{ - NS16550_t com_port = (NS16550_t)COM_BASE; - - com_port->ier = 0x00; - com_port->lcr = UART_LCR_BKSE | UART_LCR_8N1; - com_port->dll = (CONFIG_SYS_NS16550_CLK / 16 / PS2SER_BAUD) & 0xff; - com_port->dlm = ((CONFIG_SYS_NS16550_CLK / 16 / PS2SER_BAUD) >> 8) & 0xff; - com_port->lcr = UART_LCR_8N1; - com_port->mcr = (UART_MCR_DTR | UART_MCR_RTS); - com_port->fcr = (UART_FCR_FIFO_EN | UART_FCR_RXSR | UART_FCR_TXSR); - - return (0); -} - -#endif /* CONFIG_MPC5xxx / other */ - -void ps2ser_putc(int chr) -{ -#ifdef CONFIG_MPC5xxx - volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; -#else - NS16550_t com_port = (NS16550_t)COM_BASE; -#endif - debug(">>>> 0x%02x\n", chr); - -#ifdef CONFIG_MPC5xxx - while (!(psc->psc_status & PSC_SR_TXRDY)); - - psc->psc_buffer_8 = chr; -#else - while ((com_port->lsr & UART_LSR_THRE) == 0); - com_port->thr = chr; -#endif -} - -static int ps2ser_getc_hw(void) -{ -#ifdef CONFIG_MPC5xxx - volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; -#else - NS16550_t com_port = (NS16550_t)COM_BASE; -#endif - int res = -1; - -#ifdef CONFIG_MPC5xxx - if (psc->psc_status & PSC_SR_RXRDY) { - res = (psc->psc_buffer_8); - } -#else - if (com_port->lsr & UART_LSR_DR) { - res = com_port->rbr; - } -#endif - - return res; -} - -int ps2ser_getc(void) -{ - volatile int chr; - int flags; - - debug("<< "); - - flags = disable_interrupts(); - - do { - if (atomic_read(&ps2buf_cnt) != 0) { - chr = ps2buf[ps2buf_out_idx++]; - ps2buf_out_idx &= (PS2BUF_SIZE - 1); - atomic_dec(&ps2buf_cnt); - } else { - chr = ps2ser_getc_hw(); - } - } - while (chr < 0); - - if (flags) - enable_interrupts(); - - debug("0x%02x\n", chr); - - return chr; -} - -int ps2ser_check(void) -{ - int flags; - - flags = disable_interrupts(); - ps2ser_interrupt(NULL); - if (flags) enable_interrupts(); - - return atomic_read(&ps2buf_cnt); -} - -static void ps2ser_interrupt(void *dev_id) -{ -#ifdef CONFIG_MPC5xxx - volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; -#else - NS16550_t com_port = (NS16550_t)COM_BASE; -#endif - int chr; - int status; - - do { - chr = ps2ser_getc_hw(); -#ifdef CONFIG_MPC5xxx - status = psc->psc_status; -#else - status = com_port->lsr; -#endif - if (chr < 0) continue; - - if (atomic_read(&ps2buf_cnt) < PS2BUF_SIZE) { - ps2buf[ps2buf_in_idx++] = chr; - ps2buf_in_idx &= (PS2BUF_SIZE - 1); - atomic_inc(&ps2buf_cnt); - } else { - printf ("ps2ser.c: buffer overflow\n"); - } -#ifdef CONFIG_MPC5xxx - } while (status & PSC_SR_RXRDY); -#else - } while (status & UART_LSR_DR); -#endif - if (atomic_read(&ps2buf_cnt)) { - ps2mult_callback(atomic_read(&ps2buf_cnt)); - } -} diff --git a/qemu/roms/u-boot/drivers/input/tegra-kbc.c b/qemu/roms/u-boot/drivers/input/tegra-kbc.c deleted file mode 100644 index f137f930a..000000000 --- a/qemu/roms/u-boot/drivers/input/tegra-kbc.c +++ /dev/null @@ -1,376 +0,0 @@ -/* - * (C) Copyright 2011 - * NVIDIA Corporation <www.nvidia.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <fdtdec.h> -#include <input.h> -#include <key_matrix.h> -#include <stdio_dev.h> -#include <tegra-kbc.h> -#include <asm/io.h> -#include <asm/arch/clock.h> -#include <asm/arch/funcmux.h> -#include <asm/arch-tegra/timer.h> -#include <linux/input.h> - -DECLARE_GLOBAL_DATA_PTR; - -enum { - KBC_MAX_GPIO = 24, - KBC_MAX_KPENT = 8, /* size of keypress entry queue */ -}; - -#define KBC_FIFO_TH_CNT_SHIFT 14 -#define KBC_DEBOUNCE_CNT_SHIFT 4 -#define KBC_CONTROL_FIFO_CNT_INT_EN (1 << 3) -#define KBC_CONTROL_KBC_EN (1 << 0) -#define KBC_INT_FIFO_CNT_INT_STATUS (1 << 2) -#define KBC_KPENT_VALID (1 << 7) -#define KBC_ST_STATUS (1 << 3) - -enum { - KBC_DEBOUNCE_COUNT = 2, - KBC_REPEAT_RATE_MS = 30, - KBC_REPEAT_DELAY_MS = 240, - KBC_CLOCK_KHZ = 32, /* Keyboard uses a 32KHz clock */ -}; - -/* keyboard controller config and state */ -static struct keyb { - struct input_config input; /* The input layer */ - struct key_matrix matrix; /* The key matrix layer */ - - struct kbc_tegra *kbc; /* tegra keyboard controller */ - unsigned char inited; /* 1 if keyboard has been inited */ - unsigned char first_scan; /* 1 if this is our first key scan */ - unsigned char created; /* 1 if driver has been created */ - - /* - * After init we must wait a short time before polling the keyboard. - * This gives the tegra keyboard controller time to react after reset - * and lets us grab keys pressed during reset. - */ - unsigned int init_dly_ms; /* Delay before we can read keyboard */ - unsigned int start_time_ms; /* Time that we inited (in ms) */ - unsigned int last_poll_ms; /* Time we should last polled */ - unsigned int next_repeat_ms; /* Next time we repeat a key */ -} config; - -/** - * reads the keyboard fifo for current keypresses - * - * @param config Keyboard config - * @param fifo Place to put fifo results - * @param max_keycodes Maximum number of key codes to put in the fifo - * @return number of items put into fifo - */ -static int tegra_kbc_find_keys(struct keyb *config, int *fifo, - int max_keycodes) -{ - struct key_matrix_key keys[KBC_MAX_KPENT], *key; - u32 kp_ent = 0; - int i; - - for (key = keys, i = 0; i < KBC_MAX_KPENT; i++, key++) { - /* Get next word */ - if (!(i & 3)) - kp_ent = readl(&config->kbc->kp_ent[i / 4]); - - key->valid = (kp_ent & KBC_KPENT_VALID) != 0; - key->row = (kp_ent >> 3) & 0xf; - key->col = kp_ent & 0x7; - - /* Shift to get next entry */ - kp_ent >>= 8; - } - return key_matrix_decode(&config->matrix, keys, KBC_MAX_KPENT, fifo, - max_keycodes); -} - -/** - * Process all the keypress sequences in fifo and send key codes - * - * The fifo contains zero or more keypress sets. Each set - * consists of from 1-8 keycodes, representing the keycodes which - * were simultaneously pressed during that scan. - * - * This function works through each set and generates ASCII characters - * for each. Not that one set may produce more than one ASCII characters - - * for example holding down 'd' and 'f' at the same time will generate - * two ASCII characters. - * - * Note: if fifo_cnt is 0, we will tell the input layer that no keys are - * pressed. - * - * @param config Keyboard config - * @param fifo_cnt Number of entries in the keyboard fifo - */ -static void process_fifo(struct keyb *config, int fifo_cnt) -{ - int fifo[KBC_MAX_KPENT]; - int cnt = 0; - - /* Always call input_send_keycodes() at least once */ - do { - if (fifo_cnt) - cnt = tegra_kbc_find_keys(config, fifo, KBC_MAX_KPENT); - - input_send_keycodes(&config->input, fifo, cnt); - } while (--fifo_cnt > 0); -} - -/** - * Check the keyboard controller and emit ASCII characters for any keys that - * are pressed. - * - * @param config Keyboard config - */ -static void check_for_keys(struct keyb *config) -{ - int fifo_cnt; - - if (!config->first_scan && - get_timer(config->last_poll_ms) < KBC_REPEAT_RATE_MS) - return; - config->last_poll_ms = get_timer(0); - config->first_scan = 0; - - /* - * Once we get here we know the keyboard has been scanned. So if there - * scan waiting for us, we know that nothing is held down. - */ - fifo_cnt = (readl(&config->kbc->interrupt) >> 4) & 0xf; - process_fifo(config, fifo_cnt); -} - -/** - * In order to detect keys pressed on boot, wait for the hardware to - * complete scanning the keys. This includes time to transition from - * Wkup mode to Continous polling mode and the repoll time. We can - * deduct the time that's already elapsed. - * - * @param config Keyboard config - */ -static void kbd_wait_for_fifo_init(struct keyb *config) -{ - if (!config->inited) { - unsigned long elapsed_time; - long delay_ms; - - elapsed_time = get_timer(config->start_time_ms); - delay_ms = config->init_dly_ms - elapsed_time; - if (delay_ms > 0) { - udelay(delay_ms * 1000); - debug("%s: delay %ldms\n", __func__, delay_ms); - } - - config->inited = 1; - } -} - -/** - * Check the tegra keyboard, and send any keys that are pressed. - * - * This is called by input_tstc() and input_getc() when they need more - * characters - * - * @param input Input configuration - * @return 1, to indicate that we have something to look at - */ -int tegra_kbc_check(struct input_config *input) -{ - kbd_wait_for_fifo_init(&config); - check_for_keys(&config); - - return 1; -} - -/** - * Test if keys are available to be read - * - * @return 0 if no keys available, 1 if keys are available - */ -static int kbd_tstc(void) -{ - /* Just get input to do this for us */ - return input_tstc(&config.input); -} - -/** - * Read a key - * - * TODO: U-Boot wants 0 for no key, but Ctrl-@ is a valid key... - * - * @return ASCII key code, or 0 if no key, or -1 if error - */ -static int kbd_getc(void) -{ - /* Just get input to do this for us */ - return input_getc(&config.input); -} - -/* configures keyboard GPIO registers to use the rows and columns */ -static void config_kbc_gpio(struct kbc_tegra *kbc) -{ - int i; - - for (i = 0; i < KBC_MAX_GPIO; i++) { - u32 row_cfg, col_cfg; - u32 r_shift = 5 * (i % 6); - u32 c_shift = 4 * (i % 8); - u32 r_mask = 0x1f << r_shift; - u32 c_mask = 0xf << c_shift; - u32 r_offs = i / 6; - u32 c_offs = i / 8; - - row_cfg = readl(&kbc->row_cfg[r_offs]); - col_cfg = readl(&kbc->col_cfg[c_offs]); - - row_cfg &= ~r_mask; - col_cfg &= ~c_mask; - - if (i < config.matrix.num_rows) { - row_cfg |= ((i << 1) | 1) << r_shift; - } else { - col_cfg |= (((i - config.matrix.num_rows) << 1) | 1) - << c_shift; - } - - writel(row_cfg, &kbc->row_cfg[r_offs]); - writel(col_cfg, &kbc->col_cfg[c_offs]); - } -} - -/** - * Start up the keyboard device - */ -static void tegra_kbc_open(void) -{ - struct kbc_tegra *kbc = config.kbc; - unsigned int scan_period; - u32 val; - - /* - * We will scan at twice the keyboard repeat rate, so that there is - * always a scan ready when we check it in check_for_keys(). - */ - scan_period = KBC_REPEAT_RATE_MS / 2; - writel(scan_period * KBC_CLOCK_KHZ, &kbc->rpt_dly); - writel(scan_period * KBC_CLOCK_KHZ, &kbc->init_dly); - /* - * Before reading from the keyboard we must wait for the init_dly - * plus the rpt_delay, plus 2ms for the row scan time. - */ - config.init_dly_ms = scan_period * 2 + 2; - - val = KBC_DEBOUNCE_COUNT << KBC_DEBOUNCE_CNT_SHIFT; - val |= 1 << KBC_FIFO_TH_CNT_SHIFT; /* fifo interrupt threshold */ - val |= KBC_CONTROL_KBC_EN; /* enable */ - writel(val, &kbc->control); - - config.start_time_ms = get_timer(0); - config.last_poll_ms = config.next_repeat_ms = get_timer(0); - config.first_scan = 1; -} - -/** - * Set up the tegra keyboard. This is called by the stdio device handler - * - * We want to do this init when the keyboard is actually used rather than - * at start-up, since keyboard input may not currently be selected. - * - * Once the keyboard starts there will be a period during which we must - * wait for the keyboard to init. We do this only when a key is first - * read - see kbd_wait_for_fifo_init(). - * - * @return 0 if ok, -ve on error - */ -static int init_tegra_keyboard(void) -{ - /* check if already created */ - if (config.created) - return 0; - -#ifdef CONFIG_OF_CONTROL - int node; - - node = fdtdec_next_compatible(gd->fdt_blob, 0, - COMPAT_NVIDIA_TEGRA20_KBC); - if (node < 0) { - debug("%s: cannot locate keyboard node\n", __func__); - return node; - } - config.kbc = (struct kbc_tegra *)fdtdec_get_addr(gd->fdt_blob, - node, "reg"); - if ((fdt_addr_t)config.kbc == FDT_ADDR_T_NONE) { - debug("%s: No keyboard register found\n", __func__); - return -1; - } - input_set_delays(&config.input, KBC_REPEAT_DELAY_MS, - KBC_REPEAT_RATE_MS); - - /* Decode the keyboard matrix information (16 rows, 8 columns) */ - if (key_matrix_init(&config.matrix, 16, 8, 1)) { - debug("%s: Could not init key matrix\n", __func__); - return -1; - } - if (key_matrix_decode_fdt(&config.matrix, gd->fdt_blob, node)) { - debug("%s: Could not decode key matrix from fdt\n", __func__); - return -1; - } - if (config.matrix.fn_keycode) { - if (input_add_table(&config.input, KEY_FN, -1, - config.matrix.fn_keycode, - config.matrix.key_count)) - return -1; - } -#else -#error "Tegra keyboard driver requires FDT definitions" -#endif - - /* Set up pin mux and enable the clock */ - funcmux_select(PERIPH_ID_KBC, FUNCMUX_DEFAULT); - clock_enable(PERIPH_ID_KBC); - config_kbc_gpio(config.kbc); - - tegra_kbc_open(); - config.created = 1; - debug("%s: Tegra keyboard ready\n", __func__); - - return 0; -} - -int drv_keyboard_init(void) -{ - struct stdio_dev dev; - char *stdinname = getenv("stdin"); - int error; - - if (input_init(&config.input, 0)) { - debug("%s: Cannot set up input\n", __func__); - return -1; - } - config.input.read_keys = tegra_kbc_check; - - memset(&dev, '\0', sizeof(dev)); - strcpy(dev.name, "tegra-kbc"); - dev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM; - dev.getc = kbd_getc; - dev.tstc = kbd_tstc; - dev.start = init_tegra_keyboard; - - /* Register the device. init_tegra_keyboard() will be called soon */ - error = input_stdio_register(&dev); - if (error) - return error; -#ifdef CONFIG_CONSOLE_MUX - error = iomux_doenv(stdin, stdinname); - if (error) - return error; -#endif - return 0; -} |