[Linux-mips-commits]CVS: linux/drivers/tc lk201.c,1.3,1.4 lk201.h,1.1.1.1,1.2

[James S. <jsi...@us...>]

Update of /cvsroot/linux-mips/linux/drivers/tc
In directory usw-pr-cvs1:/tmp/cvs-serv20500

Modified Files:
	lk201.c lk201.h 
Log Message:
DEC LK201 keyboard updates.

Index: lk201.c
===================================================================
RCS file: /cvsroot/linux-mips/linux/drivers/tc/lk201.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -d -r1.3 -r1.4
--- lk201.c	2001/10/18 18:05:54	1.3
+++ lk201.c	2001/10/31 18:53:12	1.4
@@ -4,15 +4,20 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
+ * Copyright (C) 2001 Maciej W. Rozycki <ma...@ds...>
  */
+
 #include <linux/config.h>
 
 #include <linux/errno.h>
+#include <linux/sched.h>
 #include <linux/tty.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/kbd_ll.h>
+#include <linux/kbd_kern.h>
+#include <linux/vt_kern.h>
 
 #include <asm/keyboard.h>
 #include <asm/wbflush.h>
@@ -77,6 +82,8 @@
 	LK_CMD_LEDS_OFF, LK_PARAM_LED_MASK(0xf)
 };
 
+static struct dec_serial* lk201kbd_info;
+
 static int __init lk201_reset(struct dec_serial *info)
 {
 	int i;
@@ -89,16 +96,115 @@
 	return 0;
 }
 
-int kbd_rate(struct kbd_repeat *rep)
+#define DEFAULT_KEYB_REP_DELAY	(250/5)	/* [5ms] */
+#define DEFAULT_KEYB_REP_RATE	30	/* [cps] */
+
+static struct kbd_repeat kbdrate = {
+	DEFAULT_KEYB_REP_DELAY,
+	DEFAULT_KEYB_REP_RATE
+};
+
+static void parse_kbd_rate(struct kbd_repeat *r)
 {
-       return 0;
+	if (r->delay <= 0)
+		r->delay = kbdrate.delay;
+	if (r->rate <= 0)
+		r->rate = kbdrate.rate;
+
+	if (r->delay < 5)
+		r->delay = 5;
+	if (r->delay > 630)
+		r->delay = 630;
+	if (r->rate < 12)
+		r->rate = 12;
+	if (r->rate > 127)
+		r->rate = 127;
+	if (r->rate == 125)
+		r->rate = 124;
+}
+
+static int write_kbd_rate(struct kbd_repeat *rep)
+{
+	struct dec_serial* info = lk201kbd_info;
+	int delay, rate;
+	int i;
+
+	delay = rep->delay / 5;
+	rate = rep->rate;
+	for (i = 0; i < 4; i++) {
+		if (info->hook->poll_tx_char(info, LK_CMD_RPT_RATE(i)))
+			return 1;
+		if (info->hook->poll_tx_char(info, LK_PARAM_DELAY(delay)))
+			return 1;
+		if (info->hook->poll_tx_char(info, LK_PARAM_RATE(rate)))
+			return 1;
+	}
+	return 0;
+}
+
+static int lk201kbd_rate(struct kbd_repeat *rep)
+{
+	if (rep == NULL)
+		return -EINVAL;
+
+	parse_kbd_rate(rep);
+
+	if (write_kbd_rate(rep)) {
+		memcpy(rep, &kbdrate, sizeof(struct kbd_repeat));
+		return -EIO;
+	}
+
+	memcpy(&kbdrate, rep, sizeof(struct kbd_repeat));
+
+	return 0;
 }
 
+static void lk201kd_mksound(unsigned int hz, unsigned int ticks)
+{
+	struct dec_serial* info = lk201kbd_info;
+
+	if (!ticks)
+		return;
+
+	/*
+	 * Can't set frequency and we "approximate"
+	 * duration by volume. ;-)
+	 */
+	ticks /= HZ / 32;
+	if (ticks > 7)
+		ticks = 7;
+	ticks = 7 - ticks;
 
+	if (info->hook->poll_tx_char(info, LK_CMD_ENB_BELL))
+		return;
+	if (info->hook->poll_tx_char(info, LK_PARAM_VOLUME(ticks)))
+		return;
+	if (info->hook->poll_tx_char(info, LK_CMD_BELL))
+		return;
+}
 
 void kbd_leds(unsigned char leds)
 {
-	return;
+	struct dec_serial* info = lk201kbd_info;
+	unsigned char l = 0;
+
+	if (!info)		/* FIXME */
+		return;
+
+	/* FIXME -- Only Hold and Lock LEDs for now. --macro */
+	if (leds & LED_SCR)
+		l |= LK_LED_HOLD;
+	if (leds & LED_CAP)
+		l |= LK_LED_LOCK;
+
+	if (info->hook->poll_tx_char(info, LK_CMD_LEDS_ON))
+		return;
+	if (info->hook->poll_tx_char(info, LK_PARAM_LED_MASK(l)))
+		return;
+	if (info->hook->poll_tx_char(info, LK_CMD_LEDS_OFF))
+		return;
+	if (info->hook->poll_tx_char(info, LK_PARAM_LED_MASK(~l)))
+		return;
 }
 
 int kbd_setkeycode(unsigned int scancode, unsigned int keycode)
@@ -131,7 +237,12 @@
 
 	if (!stat || stat == 4) {
 		switch (ch) {
-		case LK_KEY_ACK:
+		case LK_STAT_RESUME_ERR:
+		case LK_STAT_ERROR:
+		case LK_STAT_INHIBIT_ACK:
+		case LK_STAT_TEST_ACK:
+		case LK_STAT_MODE_KEYDOWN:
+		case LK_STAT_MODE_ACK:
 			break;
 		case LK_KEY_LOCK:
 			shift_state ^= LK_LOCK;
@@ -170,6 +281,7 @@
 		}
 	} else
 		printk("Error reading LKx01 keyboard: 0x%02x\n", stat);
+	tasklet_schedule(&keyboard_tasklet);
 }
 
 static void __init lk201_info(struct dec_serial *info)
@@ -213,6 +325,10 @@
 	 */
 	info->hook->rx_char = lk201_kbd_rx_char;
 
+	lk201kbd_info = info;
+	kbd_rate = lk201kbd_rate;
+	kd_mksound = lk201kd_mksound;
+
 	return 0;
 }
 
@@ -244,7 +360,3 @@
 		printk("LK201 Support for DS3100 not yet ready ...\n");
 	}
 }
-
-
-
-

Index: lk201.h
===================================================================
RCS file: /cvsroot/linux-mips/linux/drivers/tc/lk201.h,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -u -d -r1.1.1.1 -r1.2
--- lk201.h	2001/06/22 02:29:32	1.1.1.1
+++ lk201.h	2001/10/31 18:53:12	1.2
@@ -2,52 +2,121 @@
  *	Commands to the keyboard processor
  */
 
-#define	LK_PARAM		0x80	/* start/end parameter list */
+#define LK_PARAM		0x80	/* start/end parameter list */
 
-#define	LK_CMD_RESUME		0x8b
-#define	LK_CMD_INHIBIT		0xb9
-#define	LK_CMD_LEDS_ON		0x13	/* 1 param: led bitmask */
-#define	LK_CMD_LEDS_OFF		0x11	/* 1 param: led bitmask */
-#define	LK_CMD_DIS_KEYCLK	0x99
-#define	LK_CMD_ENB_KEYCLK	0x1b	/* 1 param: volume */
-#define	LK_CMD_DIS_CTLCLK	0xb9
-#define	LK_CMD_ENB_CTLCLK	0xbb
-#define	LK_CMD_SOUND_CLK	0x9f
-#define	LK_CMD_DIS_BELL		0xa1
-#define	LK_CMD_ENB_BELL		0x23	/* 1 param: volume */
-#define	LK_CMD_BELL		0xa7
-#define	LK_CMD_TMP_NORPT	0xc1
-#define	LK_CMD_ENB_RPT		0xe3
-#define	LK_CMD_DIS_RPT		0xe1
-#define	LK_CMD_RPT_TO_DOWN	0xd9
-#define	LK_CMD_REQ_ID		0xab
-#define	LK_CMD_POWER_UP		0xfd
-#define	LK_CMD_TEST_MODE	0xcb
-#define	LK_CMD_SET_DEFAULTS	0xd3
+#define LK_CMD_RESUME		0x8b	/* resume transmission to the host */
+#define LK_CMD_INHIBIT		0x89	/* stop transmission to the host */
+#define LK_CMD_LEDS_ON		0x13	/* light LEDs */
+					/* 1st param: led bitmask */
+#define LK_CMD_LEDS_OFF		0x11	/* turn off LEDs */
+					/* 1st param: led bitmask */
+#define LK_CMD_DIS_KEYCLK	0x99	/* disable the keyclick */
+#define LK_CMD_ENB_KEYCLK	0x1b	/* enable the keyclick */
+					/* 1st param: volume */
+#define LK_CMD_DIS_CTLCLK	0xb9	/* disable the Ctrl keyclick */
+#define LK_CMD_ENB_CTLCLK	0xbb	/* enable the Ctrl keyclick */
+#define LK_CMD_SOUND_CLK	0x9f	/* emit a keyclick */
+#define LK_CMD_DIS_BELL		0xa1	/* disable the bell */
+#define LK_CMD_ENB_BELL		0x23	/* enable the bell */
+					/* 1st param: volume */
+#define LK_CMD_BELL		0xa7	/* emit a bell */
+#define LK_CMD_TMP_NORPT	0xc1	/* disable typematic */
+					/* for the currently pressed key */
+#define LK_CMD_ENB_RPT		0xe3	/* enable typematic */
+					/* for RPT_DOWN groups */
+#define LK_CMD_DIS_RPT		0xe1	/* disable typematic */
+					/* for RPT_DOWN groups */
+#define LK_CMD_RPT_TO_DOWN	0xd9	/* set RPT_DOWN groups to DOWN */
+#define LK_CMD_REQ_ID		0xab	/* request the keyboard ID */
+#define LK_CMD_POWER_UP		0xfd	/* init power-up sequence */
+#define LK_CMD_TEST_MODE	0xcb	/* enter the factory test mode */
+#define LK_CMD_TEST_EXIT	0x80	/* exit the factory test mode */
+#define LK_CMD_SET_DEFAULTS	0xd3	/* set power-up defaults */
 
+#define LK_CMD_MODE(m,div)	(LK_PARAM|(((div)&0xf)<<3)|m)
+					/* select the repeat mode */
+					/* for the selected key group */
+#define LK_CMD_MODE_AR(m,div)	((((div)&0xf)<<3)|m)
+					/* select the repeat mode */
+					/* and the repeat register */
+					/* for the selected key group */
+					/* 1st param: register number */
+#define LK_CMD_RPT_RATE(r)	(0x04|((((r)&0x3)<<1)))
+					/* set the delay and repeat rate */
+					/* for the selected repeat register */
+					/* 1st param: initial delay */
+					/* 2nd param: repeat rate */
+
 /* there are 4 leds, represent them in the low 4 bits of a byte */
-#define	LK_PARAM_LED_MASK(ledbmap)	(LK_PARAM|(ledbmap))
+#define LK_PARAM_LED_MASK(ledbmap)	(LK_PARAM|((ledbmap)&0xf))
+#define LK_LED_WAIT		0x1	/* Wait LED */
+#define LK_LED_COMP		0x2	/* Compose LED */
+#define LK_LED_LOCK		0x4	/* Lock LED */
+#define LK_LED_HOLD		0x8	/* Hold Screen LED */
 
 /* max volume is 0, lowest is 0x7 */
-#define	LK_PARAM_VOLUME(v)		(LK_PARAM|((v)&0x7))
+#define LK_PARAM_VOLUME(v)		(LK_PARAM|((v)&0x7))
 
-/* mode set command(s) details */
-#define	LK_MODE_DOWN		0x0
-#define	LK_MODE_RPT_DOWN	0x2
-#define	LK_MODE_DOWN_UP		0x6
-#define	LK_CMD_MODE(m,div)	(LK_PARAM|(div<<3)|m)
+/* mode set command details, div is a key group number */
+#define LK_MODE_DOWN		0x0	/* make only */
+#define LK_MODE_RPT_DOWN	0x2	/* make and typematic */
+#define LK_MODE_DOWN_UP		0x6	/* make and release */
+
+/* there are 4 repeat registers */
+#define LK_PARAM_AR(r)		(LK_PARAM|((v)&0x3))
+
+/*
+ * Mappings between key groups and keycodes are as follows:
+ *
+ *  1: 0xbf - 0xfb -- alphanumeric,
+ *  2: 0x92 - 0xa4 -- numeric keypad,
+ *  3: 0xbc        -- Backspace,
+ *  4: 0xbd - 0xbe -- Tab, Return,
+ *  5: 0xb0 - 0xb1 -- Lock, Compose Character,
+ *  6: 0xae - 0xaf -- Ctrl, Shift,
+ *  7: 0xa7 - 0xa8 -- Left Arrow, Right Arrow,
+ *  8: 0xa9 - 0xab -- Up Arrow, Down Arrow, Right Shift,
+ *  9: 0x8a - 0x8f -- editor keypad,
+ * 10: 0x56 - 0x5a -- F1 - F5,
+ * 11: 0x64 - 0x68 -- F6 - F10,
+ * 12: 0x71 - 0x74 -- F11 - F14,
+ * 13: 0x7c - 0x7d -- Help, Do,
+ * 14: 0x80 - 0x83 -- F17 - F20.
+ *
+ * Others, i.e. 0x55, 0xac, 0xad, 0xb2, are undiscovered.
+ */
+
+/* delay is 5 - 630 ms; 0x00 and 0x7f are reserved */
+#define LK_PARAM_DELAY(t)	((t)&0x7f)
+
+/* rate is 12 - 127 Hz; 0x00 - 0x0b and 0x7d (power-up!) are reserved */
+#define LK_PARAM_RATE(r)	(LK_PARAM|((r)&0x7f))
 
 #define LK_SHIFT 1<<0
 #define LK_CTRL 1<<1
 #define LK_LOCK 1<<2
 #define LK_COMP 1<<3
 
-#define LK_KEY_SHIFT 174
-#define LK_KEY_CTRL 175
-#define LK_KEY_LOCK 176
-#define LK_KEY_COMP 177
-#define LK_KEY_RELEASE 179
-#define LK_KEY_REPEAT 180
-#define LK_KEY_ACK 186
+#define LK_KEY_SHIFT		0xae
+#define LK_KEY_CTRL		0xaf
+#define LK_KEY_LOCK		0xb0
+#define LK_KEY_COMP		0xb1
 
-extern unsigned char scancodeRemap[256];
\ No newline at end of file
+#define LK_KEY_RELEASE		0xb3	/* all keys released */
+#define LK_KEY_REPEAT		0xb4	/* repeat the last key */
+
+/* status responses */
+#define LK_STAT_RESUME_ERR	0xb5	/* keystrokes lost while inhibited */
+#define LK_STAT_ERROR		0xb6	/* an invalid command received */
+#define LK_STAT_INHIBIT_ACK	0xb7	/* transmission inhibited */
+#define LK_STAT_TEST_ACK	0xb8	/* the factory test mode entered */
+#define LK_STAT_MODE_KEYDOWN	0xb9	/* a key is down on a change */
+					/* to the DOWN_UP mode; */
+					/* the keycode follows */
+#define LK_STAT_MODE_ACK	0xba	/* the mode command succeeded */
+
+#define LK_STAT_PWRUP_OK	0x00	/* the power-up self test OK */
+#define LK_STAT_PWRUP_KDOWN	0x3d	/* a key was down during the test */
+#define LK_STAT_PWRUP_ERROR	0x3e	/* keyboard self test failure */
+
+extern unsigned char scancodeRemap[256];