Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Fujitsu B-series Lifebook PS/2 TouchScreen driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright (c) 2005 Kenan Esau <kenan.esau@conan.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * TouchScreen detection, absolute mode setting and packet layout is taken from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * Harald Hoyer's description of the device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/serio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/libps2.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/dmi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include "psmouse.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include "lifebook.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) struct lifebook_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	struct input_dev *dev2;		/* Relative device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	char phys[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) static bool lifebook_present;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) static const char *desired_serio_phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) static int lifebook_limit_serio3(const struct dmi_system_id *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	desired_serio_phys = "isa0060/serio3";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) static bool lifebook_use_6byte_proto;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) static int lifebook_set_6byte_proto(const struct dmi_system_id *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	lifebook_use_6byte_proto = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) static const struct dmi_system_id lifebook_dmi_table[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		/* FLORA-ie 55mi */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 			DMI_MATCH(DMI_PRODUCT_NAME, "FLORA-ie 55mi"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 		/* LifeBook B */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 			DMI_MATCH(DMI_PRODUCT_NAME, "Lifebook B Series"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		/* LifeBook B */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B Series"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		/* Lifebook B */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK B Series"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		/* Lifebook B-2130 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 			DMI_MATCH(DMI_BOARD_NAME, "ZEPHYR"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		/* Lifebook B213x/B2150 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B2131/B2133/B2150"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 		/* Zephyr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 			DMI_MATCH(DMI_PRODUCT_NAME, "ZEPHYR"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 		/* Panasonic CF-18 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 			DMI_MATCH(DMI_PRODUCT_NAME, "CF-18"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		.callback = lifebook_limit_serio3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		/* Panasonic CF-28 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 			DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 			DMI_MATCH(DMI_PRODUCT_NAME, "CF-28"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		.callback = lifebook_set_6byte_proto,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 		/* Panasonic CF-29 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 			DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 			DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		.callback = lifebook_set_6byte_proto,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 		/* Panasonic CF-72 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 			DMI_MATCH(DMI_PRODUCT_NAME, "CF-72"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		.callback = lifebook_set_6byte_proto,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		/* Lifebook B142 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B142"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) void __init lifebook_module_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	lifebook_present = dmi_check_system(lifebook_dmi_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	struct lifebook_data *priv = psmouse->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	struct input_dev *dev1 = psmouse->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	struct input_dev *dev2 = priv ? priv->dev2 : NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	u8 *packet = psmouse->packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	bool relative_packet = packet[0] & 0x08;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	if (relative_packet || !lifebook_use_6byte_proto) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		if (psmouse->pktcnt != 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 			return PSMOUSE_GOOD_DATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 		switch (psmouse->pktcnt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 		case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 			return (packet[0] & 0xf8) == 0x00 ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 				PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 			return PSMOUSE_GOOD_DATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 			return ((packet[2] & 0x30) << 2) == (packet[2] & 0xc0) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 				PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 			return (packet[3] & 0xf8) == 0xc0 ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 				PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 		case 5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 			return (packet[4] & 0xc0) == (packet[2] & 0xc0) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 				PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		case 6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 			if (((packet[5] & 0x30) << 2) != (packet[5] & 0xc0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 				return PSMOUSE_BAD_DATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 			if ((packet[5] & 0xc0) != (packet[1] & 0xc0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 				return PSMOUSE_BAD_DATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 			break; /* report data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	if (relative_packet) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		if (!dev2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 			psmouse_warn(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 				     "got relative packet but no relative device set up\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		if (lifebook_use_6byte_proto) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 			input_report_abs(dev1, ABS_X,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 				((packet[1] & 0x3f) << 6) | (packet[2] & 0x3f));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 			input_report_abs(dev1, ABS_Y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 				4096 - (((packet[4] & 0x3f) << 6) | (packet[5] & 0x3f)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 			input_report_abs(dev1, ABS_X,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 				(packet[1] | ((packet[0] & 0x30) << 4)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 			input_report_abs(dev1, ABS_Y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 				1024 - (packet[2] | ((packet[0] & 0xC0) << 2)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		input_report_key(dev1, BTN_TOUCH, packet[0] & 0x04);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 		input_sync(dev1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	if (dev2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		if (relative_packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 			psmouse_report_standard_motion(dev2, packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		psmouse_report_standard_buttons(dev2, packet[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		input_sync(dev2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	return PSMOUSE_FULL_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) static int lifebook_absolute_mode(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	struct ps2dev *ps2dev = &psmouse->ps2dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	u8 param;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	error = psmouse_reset(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	 * Enable absolute output -- ps2_command fails always but if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	 * you leave this call out the touchscreen will never send
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	 * absolute coordinates
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	param = lifebook_use_6byte_proto ? 0x08 : 0x07;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	ps2_command(ps2dev, &param, PSMOUSE_CMD_SETRES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) static void lifebook_relative_mode(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	struct ps2dev *ps2dev = &psmouse->ps2dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	u8 param = 0x06;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	ps2_command(ps2dev, &param, PSMOUSE_CMD_SETRES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) static void lifebook_set_resolution(struct psmouse *psmouse, unsigned int resolution)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	static const u8 params[] = { 0, 1, 2, 2, 3 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	u8 p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	if (resolution == 0 || resolution > 400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		resolution = 400;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	p = params[resolution / 100];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	ps2_command(&psmouse->ps2dev, &p, PSMOUSE_CMD_SETRES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	psmouse->resolution = 50 << p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) static void lifebook_disconnect(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	struct lifebook_data *priv = psmouse->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	psmouse_reset(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	if (priv) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 		input_unregister_device(priv->dev2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 		kfree(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	psmouse->private = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) int lifebook_detect(struct psmouse *psmouse, bool set_properties)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	if (!lifebook_present)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 		return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	if (desired_serio_phys &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	    strcmp(psmouse->ps2dev.serio->phys, desired_serio_phys))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 		return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	if (set_properties) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 		psmouse->vendor = "Fujitsu";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 		psmouse->name = "Lifebook TouchScreen";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) static int lifebook_create_relative_device(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	struct input_dev *dev2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	struct lifebook_data *priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	int error = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	priv = kzalloc(sizeof(struct lifebook_data), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	dev2 = input_allocate_device();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	if (!priv || !dev2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 		goto err_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	priv->dev2 = dev2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	snprintf(priv->phys, sizeof(priv->phys),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 		 "%s/input1", psmouse->ps2dev.serio->phys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	dev2->phys = priv->phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	dev2->name = "LBPS/2 Fujitsu Lifebook Touchpad";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	dev2->id.bustype = BUS_I8042;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	dev2->id.vendor  = 0x0002;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	dev2->id.product = PSMOUSE_LIFEBOOK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	dev2->id.version = 0x0000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	dev2->dev.parent = &psmouse->ps2dev.serio->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	input_set_capability(dev2, EV_REL, REL_X);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	input_set_capability(dev2, EV_REL, REL_Y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	input_set_capability(dev2, EV_KEY, BTN_LEFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	input_set_capability(dev2, EV_KEY, BTN_RIGHT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	error = input_register_device(priv->dev2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 		goto err_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 	psmouse->private = priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)  err_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	input_free_device(dev2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	kfree(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) int lifebook_init(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	struct input_dev *dev1 = psmouse->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	int max_coord = lifebook_use_6byte_proto ? 4096 : 1024;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	error = lifebook_absolute_mode(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 	/* Clear default capabilities */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	bitmap_zero(dev1->evbit, EV_CNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	bitmap_zero(dev1->relbit, REL_CNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	bitmap_zero(dev1->keybit, KEY_CNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	input_set_capability(dev1, EV_KEY, BTN_TOUCH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	input_set_abs_params(dev1, ABS_X, 0, max_coord, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	input_set_abs_params(dev1, ABS_Y, 0, max_coord, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	if (!desired_serio_phys) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 		error = lifebook_create_relative_device(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 		if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 			lifebook_relative_mode(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 			return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	psmouse->protocol_handler = lifebook_process_byte;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	psmouse->set_resolution = lifebook_set_resolution;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	psmouse->disconnect = lifebook_disconnect;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	psmouse->reconnect  = lifebook_absolute_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	psmouse->model = lifebook_use_6byte_proto ? 6 : 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	 * Use packet size = 3 even when using 6-byte protocol because
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	 * that's what POLL will return on Lifebooks (according to spec).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	psmouse->pktsize = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)