Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 244 insertions, 0 deletions

diff --git a/drivers/input/keyboard/jornada680_kbd.c b/drivers/input/keyboard/jornada680_kbd.c
new file mode 100644
index 000000000..7e3508139
--- /dev/null
+++ b/drivers/input/keyboard/jornada680_kbd.c
@@ -0,0 +1,244 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * drivers/input/keyboard/jornada680_kbd.c
+ *
+ * HP Jornada 620/660/680/690 scan keyboard platform driver
+ *  Copyright (C) 2007  Kristoffer Ericson <Kristoffer.Ericson@gmail.com>
+ *
+ * Based on hp680_keyb.c
+ *  Copyright (C) 2006 Paul Mundt
+ *  Copyright (C) 2005 Andriy Skulysh
+ * Split from drivers/input/keyboard/hp600_keyb.c
+ *  Copyright (C) 2000 Yaegashi Takeshi (hp6xx kbd scan routine and translation table)
+ *  Copyright (C) 2000 Niibe Yutaka (HP620 Keyb translation table)
+ */
+
+#include <linux/device.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/jiffies.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include <asm/delay.h>
+#include <asm/io.h>
+
+#define PCCR 0xa4000104
+#define PDCR 0xa4000106
+#define PECR 0xa4000108
+#define PFCR 0xa400010a
+#define PCDR 0xa4000124
+#define PDDR 0xa4000126
+#define PEDR 0xa4000128
+#define PFDR 0xa400012a
+#define PGDR 0xa400012c
+#define PHDR 0xa400012e
+#define PJDR 0xa4000130
+#define PKDR 0xa4000132
+#define PLDR 0xa4000134
+
+static const unsigned short jornada_scancodes[] = {
+/* PTD1 */	KEY_CAPSLOCK, KEY_MACRO, KEY_LEFTCTRL, 0, KEY_ESC, KEY_KP5, 0, 0,			/*  1  -> 8   */
+		KEY_F1, KEY_F2, KEY_F3, KEY_F8, KEY_F7, KEY_F6, KEY_F4, KEY_F5,				/*  9  -> 16  */
+/* PTD5 */	KEY_SLASH, KEY_APOSTROPHE, KEY_ENTER, 0, KEY_Z, 0, 0, 0,				/*  17 -> 24  */
+		KEY_X, KEY_C, KEY_V, KEY_DOT, KEY_COMMA, KEY_M, KEY_B, KEY_N,				/*  25 -> 32  */
+/* PTD7 */	KEY_KP2, KEY_KP6, KEY_KP3, 0, 0, 0, 0, 0,						/*  33 -> 40  */
+		KEY_F10, KEY_RO, KEY_F9, KEY_KP4, KEY_NUMLOCK, KEY_SCROLLLOCK, KEY_LEFTALT, KEY_HANJA,	/*  41 -> 48  */
+/* PTE0 */	KEY_KATAKANA, KEY_KP0, KEY_GRAVE, 0, KEY_FINANCE, 0, 0, 0,				/*  49 -> 56  */
+		KEY_KPMINUS, KEY_HIRAGANA, KEY_SPACE, KEY_KPDOT, KEY_VOLUMEUP, 249, 0, 0,		/*  57 -> 64  */
+/* PTE1 */	KEY_SEMICOLON, KEY_RIGHTBRACE, KEY_BACKSLASH, 0, KEY_A, 0, 0, 0,			/*  65 -> 72  */
+		KEY_S, KEY_D, KEY_F, KEY_L, KEY_K, KEY_J, KEY_G, KEY_H,					/*  73 -> 80  */
+/* PTE3 */	KEY_KP8, KEY_LEFTMETA, KEY_RIGHTSHIFT, 0, KEY_TAB, 0, 0, 0,				/*  81 -> 88  */
+		0, KEY_LEFTSHIFT, KEY_KP7, KEY_KP9, KEY_KP1, KEY_F11, KEY_KPPLUS, KEY_KPASTERISK,	/*  89 -> 96  */
+/* PTE6 */	KEY_P, KEY_LEFTBRACE, KEY_BACKSPACE, 0, KEY_Q, 0, 0, 0,					/*  97 -> 104 */
+		KEY_W, KEY_E, KEY_R, KEY_O, KEY_I, KEY_U, KEY_T, KEY_Y,					/* 105 -> 112 */
+/* PTE7 */	KEY_0, KEY_MINUS, KEY_EQUAL, 0, KEY_1, 0, 0, 0,						/* 113 -> 120 */
+		KEY_2, KEY_3, KEY_4, KEY_9, KEY_8, KEY_7, KEY_5, KEY_6,					/* 121 -> 128 */
+/* **** */	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		0, 0, 0, 0, 0
+};
+
+#define JORNADA_SCAN_SIZE	18
+
+struct jornadakbd {
+	struct input_dev *input;
+	unsigned short keymap[ARRAY_SIZE(jornada_scancodes)];
+	unsigned char length;
+	unsigned char old_scan[JORNADA_SCAN_SIZE];
+	unsigned char new_scan[JORNADA_SCAN_SIZE];
+};
+
+static void jornada_parse_kbd(struct jornadakbd *jornadakbd)
+{
+	struct input_dev *input_dev = jornadakbd->input;
+	unsigned short *keymap = jornadakbd->keymap;
+	unsigned int sync_me = 0;
+	unsigned int i, j;
+
+	for (i = 0; i < JORNADA_SCAN_SIZE; i++) {
+		unsigned char new = jornadakbd->new_scan[i];
+		unsigned char old = jornadakbd->old_scan[i];
+		unsigned int xor = new ^ old;
+
+		if (xor == 0)
+			continue;
+
+		for (j = 0; j < 8; j++) {
+			unsigned int bit = 1 << j;
+			if (xor & bit) {
+				unsigned int scancode = (i << 3) + j;
+				input_event(input_dev,
+					    EV_MSC, MSC_SCAN, scancode);
+				input_report_key(input_dev,
+						 keymap[scancode],
+						 !(new & bit));
+				sync_me = 1;
+			}
+		}
+	}
+
+	if (sync_me)
+	    input_sync(input_dev);
+}
+
+static void jornada_scan_keyb(unsigned char *s)
+{
+	int i;
+	unsigned short ec_static, dc_static; /* = UINT16_t */
+	unsigned char matrix_switch[] = {
+		0xfd, 0xff,   /* PTD1 PD(1) */
+		0xdf, 0xff,   /* PTD5 PD(5) */
+		0x7f, 0xff,   /* PTD7 PD(7) */
+		0xff, 0xfe,   /* PTE0 PE(0) */
+		0xff, 0xfd,   /* PTE1 PE(1) */
+		0xff, 0xf7,   /* PTE3 PE(3) */
+		0xff, 0xbf,   /* PTE6 PE(6) */
+		0xff, 0x7f,   /* PTE7 PE(7) */
+	}, *t = matrix_switch;
+	/* PD(x) :
+	1.   0xcc0c & (1~(1 << (2*(x)+1)))))
+	2.   (0xf0cf & 0xfffff) */
+	/* PE(x) :
+	1.   0xcc0c & 0xffff
+	2.   0xf0cf & (1~(1 << (2*(x)+1))))) */
+	unsigned short matrix_PDE[] = {
+		0xcc04, 0xf0cf,  /* PD(1) */
+		0xc40c, 0xf0cf,	 /* PD(5) */
+		0x4c0c, 0xf0cf,  /* PD(7) */
+		0xcc0c, 0xf0cd,  /* PE(0) */
+		0xcc0c, 0xf0c7,	 /* PE(1) */
+		0xcc0c, 0xf04f,  /* PE(3) */
+		0xcc0c, 0xd0cf,	 /* PE(6) */
+		0xcc0c, 0x70cf,	 /* PE(7) */
+	}, *y = matrix_PDE;
+
+	/* Save these control reg bits */
+	dc_static = (__raw_readw(PDCR) & (~0xcc0c));
+	ec_static = (__raw_readw(PECR) & (~0xf0cf));
+
+	for (i = 0; i < 8; i++) {
+		/* disable output for all but the one we want to scan */
+		__raw_writew((dc_static | *y++), PDCR);
+		__raw_writew((ec_static | *y++), PECR);
+		udelay(5);
+
+		/* Get scanline row */
+		__raw_writeb(*t++, PDDR);
+		__raw_writeb(*t++, PEDR);
+		udelay(50);
+
+		/* Read data */
+		*s++ = __raw_readb(PCDR);
+		*s++ = __raw_readb(PFDR);
+	}
+	/* Scan no lines */
+	__raw_writeb(0xff, PDDR);
+	__raw_writeb(0xff, PEDR);
+
+	/* Enable all scanlines */
+	__raw_writew((dc_static | (0x5555 & 0xcc0c)),PDCR);
+	__raw_writew((ec_static | (0x5555 & 0xf0cf)),PECR);
+
+	/* Ignore extra keys and events */
+	*s++ = __raw_readb(PGDR);
+	*s++ = __raw_readb(PHDR);
+}
+
+static void jornadakbd680_poll(struct input_dev *input)
+{
+	struct jornadakbd *jornadakbd = input_get_drvdata(input);
+
+	jornada_scan_keyb(jornadakbd->new_scan);
+	jornada_parse_kbd(jornadakbd);
+	memcpy(jornadakbd->old_scan, jornadakbd->new_scan, JORNADA_SCAN_SIZE);
+}
+
+static int jornada680kbd_probe(struct platform_device *pdev)
+{
+	struct jornadakbd *jornadakbd;
+	struct input_dev *input_dev;
+	int i, error;
+
+	jornadakbd = devm_kzalloc(&pdev->dev, sizeof(struct jornadakbd),
+				  GFP_KERNEL);
+	if (!jornadakbd)
+		return -ENOMEM;
+
+	input_dev = devm_input_allocate_device(&pdev->dev);
+	if (!input_dev) {
+		dev_err(&pdev->dev, "failed to allocate input device\n");
+		return -ENOMEM;
+	}
+
+	jornadakbd->input = input_dev;
+
+	memcpy(jornadakbd->keymap, jornada_scancodes,
+		sizeof(jornadakbd->keymap));
+
+	input_set_drvdata(input_dev, jornadakbd);
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
+	input_dev->name = "HP Jornada 680 keyboard";
+	input_dev->phys = "jornadakbd/input0";
+	input_dev->keycode = jornadakbd->keymap;
+	input_dev->keycodesize = sizeof(unsigned short);
+	input_dev->keycodemax = ARRAY_SIZE(jornada_scancodes);
+	input_dev->id.bustype = BUS_HOST;
+
+	for (i = 0; i < 128; i++)
+		if (jornadakbd->keymap[i])
+			__set_bit(jornadakbd->keymap[i], input_dev->keybit);
+	__clear_bit(KEY_RESERVED, input_dev->keybit);
+
+	input_set_capability(input_dev, EV_MSC, MSC_SCAN);
+
+	error = input_setup_polling(input_dev, jornadakbd680_poll);
+	if (error) {
+		dev_err(&pdev->dev, "failed to set up polling\n");
+		return error;
+	}
+
+	input_set_poll_interval(input_dev, 50 /* msec */);
+
+	error = input_register_device(input_dev);
+	if (error) {
+		dev_err(&pdev->dev, "failed to register input device\n");
+		return error;
+	}
+
+	return 0;
+}
+
+static struct platform_driver jornada680kbd_driver = {
+	.driver	= {
+		.name	= "jornada680_kbd",
+	},
+	.probe	= jornada680kbd_probe,
+};
+module_platform_driver(jornada680kbd_driver);
+
+MODULE_AUTHOR("Kristoffer Ericson <kristoffer.ericson@gmail.com>");
+MODULE_DESCRIPTION("HP Jornada 620/660/680/690 Keyboard Driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:jornada680_kbd");