diff options
Diffstat (limited to 'qemu/roms/SLOF/lib/libusb/usb-hid.c')
| -rw-r--r-- | qemu/roms/SLOF/lib/libusb/usb-hid.c | 468 |
1 files changed, 0 insertions, 468 deletions
diff --git a/qemu/roms/SLOF/lib/libusb/usb-hid.c b/qemu/roms/SLOF/lib/libusb/usb-hid.c deleted file mode 100644 index ac6616aba..000000000 --- a/qemu/roms/SLOF/lib/libusb/usb-hid.c +++ /dev/null @@ -1,468 +0,0 @@ -/***************************************************************************** - * Copyright (c) 2013 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#include <stdio.h> -#include <string.h> -#include <termctrl.h> - -#include "usb-core.h" -#include "usb-key.h" - -/* - * HID Spec Version 1.11 - */ - -#define HID_REQ_GET_REPORT 0x01 -#define HID_REQ_GET_IDLE 0x02 -#define HID_REQ_GET_PROTOCOL 0x03 -#define HID_REQ_SET_REPORT 0x09 -#define HID_REQ_SET_IDLE 0x0A -#define HID_REQ_SET_PROTOCOL 0x0B - -//key position for latin letters -#define KEYP_LATIN_A 4 -#define KEYP_LATIN_Z 29 - -//#define KEY_DEBUG - -/* HID SPEC - 7.2.6 Set_Protocol Request */ -static int usb_hid_set_protocol(struct usb_dev *dev, uint16_t value) -{ - struct usb_dev_req req; - if (!dev) - return false; - req.bmRequestType = REQT_TYPE_CLASS | REQT_REC_INTERFACE | REQT_DIR_OUT; - req.bRequest = HID_REQ_SET_PROTOCOL; - req.wValue = cpu_to_le16(value); - req.wIndex = cpu_to_le16(dev->intf_num); - req.wLength = 0; - return usb_send_ctrl(dev->control, &req, NULL); -} - -/* HID SPEC - 7.2.4 Set_Idle Request */ -static int usb_hid_set_idle(struct usb_dev *dev, uint16_t ms_delay) -{ - struct usb_dev_req req; - if (!dev) - return false; - req.bmRequestType = REQT_TYPE_CLASS | REQT_REC_INTERFACE | REQT_DIR_OUT; - req.bRequest = HID_REQ_SET_IDLE; - req.wValue = cpu_to_le16((ms_delay/4) << 8); - req.wIndex = cpu_to_le16(dev->intf_num); - req.wLength = 0; - return usb_send_ctrl(dev->control, &req, NULL); -} - -/* HID SPEC - 7.2.1 Get Report Request */ -static int usb_hid_get_report(struct usb_dev *dev, void *data, size_t size) -{ - struct usb_dev_req req; - if (!dev) - return false; - req.bmRequestType = REQT_TYPE_CLASS | REQT_REC_INTERFACE | REQT_DIR_IN; - req.bRequest = HID_REQ_GET_REPORT; - req.wIndex = cpu_to_le16(dev->intf_num); - - req.wLength = cpu_to_le16((uint16_t)size); - req.wValue = cpu_to_le16(1 << 8); - return usb_send_ctrl(dev->control, &req, data); -} - -/* ring buffer with RD/WR indices for key buffering */ -static uint8_t keybuf[256]; /* size fixed to byte range ! */ -uint8_t r_ptr = 0; /* RD-index for Keyboard-Buffer */ -uint8_t w_ptr = 0; /* WR-index for Keyboard-Buffer */ - -/* variables for LED status */ -uint8_t set_leds; -const uint8_t *key_std = NULL; -const uint8_t *key_std_shift = NULL; - -uint8_t ctrl; /* modifiers */ - -/** - * read character from Keyboard-Buffer - * - * @param - - * @return > 0 Keycode - * = 0 if no key available - */ -static int read_key(void) -{ - if (r_ptr != w_ptr) - return (int)keybuf[r_ptr++]; - else - return false; -} - -/** - * Store character into Keyboard-Buffer - * - * @param Key = detected ASCII-Key (> 0) - * @return - - */ -static void write_key(uint8_t key) -{ - if ((w_ptr + 1) != r_ptr) - keybuf[w_ptr++] = key; -} - -/** - * Checks if keypos is a latin key - * @param keypos - * @return - - */ -static bool is_latin(uint8_t keypos) -{ - return keypos >= KEYP_LATIN_A && keypos <= KEYP_LATIN_Z; -} - -/** - * Convert keyboard usage-ID to ANSI-Code - * - * @param Ctrl=Modifier Byte - * Key =Usage ID from USB Keyboard - * @return - - */ -static void get_char(uint8_t ctrl, uint8_t keypos) -{ - uint8_t ch; - bool caps = false; - -#ifdef KEY_DEBUG - printf("pos %02X\n", keypos); -#endif - - if (set_leds & LED_CAPS_LOCK) /* is CAPS Lock set ? */ - caps = true; - - /* caps is a shift only for latin chars */ - if ((!caps && ctrl == 0) || (caps && !is_latin(keypos))) { - ch = key_std[keypos]; - if (ch != 0) - write_key(ch); - return; - } - - if ((ctrl & MODIFIER_SHIFT) || caps) { - ch = key_std_shift[keypos]; - if (ch != 0) - write_key(ch); - return; - } - - if (ctrl & MODIFIER_CTRL) { - ch = keycodes_ctrl[keypos]; - if (ch != 0) - write_key(ch); - return; - } - - if (ctrl == MODIFIER_ALT_GR) { - ch = keycodes_alt_GR[keypos]; - if (ch != 0) - write_key(ch); - return; - } -} - -static void check_key_code(uint8_t *buf) -{ - static uint8_t key_last[6]; /* list of processed keys */ - uint8_t i, j, key_pos; - - /* set translation table to defaults */ - if ((key_std == NULL) || (key_std_shift == NULL)) { - key_std = keycodes_std_US; - key_std_shift = keycodes_shift_US; - } - - if (buf[0] & MODIFIER_SHIFT) /* any shift key pressed ? */ - set_leds &= ~LED_CAPS_LOCK; /* CAPS-LOCK-LED always off */ - - i = 2; /* skip modifier byte and reserved byte */ - while (i < 8) { - key_pos = buf[i]; - if ((key_pos != 0) && (key_pos <= 100)) { /* support for 101 keys */ - j = 0; - /* search if already processed */ - while ((j < 6) && (key_pos != key_last[j])) - j++; - - if (j >= 6) { /* not found (= not processed) */ - switch (key_pos) { - case 0x39: /* caps-lock key ? */ - case 0x32: /* caps-lock key ? */ - set_leds ^= LED_CAPS_LOCK; - break; - - case 0x36: /*Shift pressed*/ - ctrl |= MODIFIER_SHIFT; - break; - case 0xb6: /*Shift unpressed*/ - ctrl &= ~MODIFIER_SHIFT; - break; - case 0x3a: /* F1 */ - write_key(0x1b); - write_key(0x5b); - write_key(0x4f); - write_key(0x50); - break; - - case 0x3b: /* F2 */ - write_key(0x1b); - write_key(0x5b); - write_key(0x4f); - write_key(0x51); - break; - - case 0x3c: - write_key(0x1b); /* F3 */ - write_key(0x5b); - write_key(0x4f); - write_key(0x52); - break; - - case 0x3d: - write_key(0x1b); /* F4 */ - write_key(0x5b); - write_key(0x4f); - write_key(0x53); - break; - - case 0x3e: - write_key(0x1b); /* F5 */ - write_key(0x5b); - write_key(0x31); - write_key(0x35); - write_key(0x7e); - break; - - case 0x3f: - write_key(0x1b); /* F6 */ - write_key(0x5b); - write_key(0x31); - write_key(0x37); - write_key(0x7e); - break; - - case 0x40: - write_key(0x1b); /* F7 */ - write_key(0x5b); - write_key(0x31); - write_key(0x38); - write_key(0x7e); - break; - - case 0x41: - write_key(0x1b); /* F8 */ - write_key(0x5b); - write_key(0x31); - write_key(0x39); - write_key(0x7e); - break; - - case 0x42: - write_key(0x1b); /* F9 */ - write_key(0x5b); - write_key(0x32); - write_key(0x30); - write_key(0x7e); - break; - - case 0x43: - write_key(0x1b); /* F10 */ - write_key(0x5b); - write_key(0x32); - write_key(0x31); - write_key(0x7e); - break; - - case 0x44: - write_key(0x1b); /* F11 */ - write_key(0x5b); - write_key(0x32); - write_key(0x33); - write_key(0x7e); - break; - - case 0x45: - write_key(0x1b); /* F12 */ - write_key(0x5b); - write_key(0x32); - write_key(0x34); - write_key(0x7e); - break; - - case 0x47: /* scroll-lock key ? */ - set_leds ^= LED_SCROLL_LOCK; - break; - - case 0x49: - write_key(0x1b); /* INS */ - write_key(0x5b); - write_key(0x32); - write_key(0x7e); - break; - - case 0x4a: - write_key(0x1b); /* HOME */ - write_key(0x4f); - write_key(0x48); - break; - - case 0x4b: - write_key(0x1b); /* PgUp */ - write_key(0x5b); - write_key(0x35); - write_key(0x7e); - break; - - case 0x4c: - write_key(0x1b); /* DEL */ - write_key(0x5b); - write_key(0x33); - write_key(0x7e); - break; - - case 0x4d: - write_key(0x1b); /* END */ - write_key(0x4f); - write_key(0x46); - break; - - case 0x4e: - write_key(0x1b); /* PgDn */ - write_key(0x5b); - write_key(0x36); - write_key(0x7e); - break; - - case 0x4f: - write_key(0x1b); /* R-Arrow */ - write_key(0x5b); - write_key(0x43); - break; - - case 0x50: - write_key(0x1b); /* L-Arrow */ - write_key(0x5b); - write_key(0x44); - break; - - case 0x51: - write_key(0x1b); /* D-Arrow */ - write_key(0x5b); - write_key(0x42); - break; - - case 0x52: - write_key(0x1b); /* U-Arrow */ - write_key(0x5b); - write_key(0x41); - break; - - case 0x53: /* num-lock key ? */ - set_leds ^= LED_NUM_LOCK; - break; - - default: - /* convert key position to ASCII code */ - get_char(buf[0], key_pos); - break; - } - } - } - i++; - } - /*****************************************/ - /* all keys are processed, create a copy */ - /* to flag them as processed */ - /*****************************************/ - for (i = 2, j = 0; j < 6; i++, j++) - key_last[j] = buf[i]; /* copy all actual keys to last */ -} - -#define USB_HID_SIZE 128 -uint32_t *kbd_buffer; - -int usb_hid_kbd_init(struct usb_dev *dev) -{ - int i; - uint8_t key[8]; - - usb_hid_set_protocol(dev, 0); - usb_hid_set_idle(dev, 500); - - memset(key, 0, 8); - if (usb_hid_get_report(dev, key, 8)) - check_key_code(key); - - kbd_buffer = SLOF_dma_alloc(USB_HID_SIZE); - if (!kbd_buffer) { - printf("%s: unable to allocate keyboard buffer\n", __func__); - return false; - } - -#ifdef KEY_DEBUG - printf("HID kbd init %d\n", dev->ep_cnt); -#endif - for (i = 0; i < dev->ep_cnt; i++) { - if ((dev->ep[i].bmAttributes & USB_EP_TYPE_MASK) - == USB_EP_TYPE_INTR) - usb_dev_populate_pipe(dev, &dev->ep[i], kbd_buffer, USB_HID_SIZE); - } - return true; -} - -int usb_hid_kbd_exit(struct usb_dev *dev) -{ - if (dev->intr) { - usb_put_pipe(dev->intr); - dev->intr = NULL; - } - SLOF_dma_free(kbd_buffer, USB_HID_SIZE); - return true; -} - -static int usb_poll_key(void *vdev) -{ - struct usb_dev *dev = vdev; - uint8_t key[8]; - int rc; - - memset(key, 0, 8); - rc = usb_poll_intr(dev->intr, key); - if (rc) - check_key_code(key); - return rc; -} - -unsigned char usb_key_available(void *dev) -{ - if (!dev) - return false; - - usb_poll_key(dev); - if (r_ptr != w_ptr) - return true; - else - return false; -} - -unsigned char usb_read_keyb(void *vdev) -{ - if (usb_key_available(vdev)) - return read_key(); - else - return 0; -} |