^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) * HTC Shift touchscreen driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2008 Pau Oliva Fora <pof@eslack.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/isa.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/ioport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/dmi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) MODULE_AUTHOR("Pau Oliva Fora <pau@eslack.org>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) MODULE_DESCRIPTION("HTC Shift touchscreen driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define HTCPEN_PORT_IRQ_CLEAR 0x068
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define HTCPEN_PORT_INIT 0x06c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define HTCPEN_PORT_INDEX 0x0250
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define HTCPEN_PORT_DATA 0x0251
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define HTCPEN_IRQ 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define DEVICE_ENABLE 0xa2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define DEVICE_DISABLE 0xa3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define X_INDEX 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define Y_INDEX 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define TOUCH_INDEX 0xb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define LSB_XY_INDEX 0xc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define X_AXIS_MAX 2040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define Y_AXIS_MAX 2040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static bool invert_x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) module_param(invert_x, bool, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) MODULE_PARM_DESC(invert_x, "If set, X axis is inverted");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static bool invert_y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) module_param(invert_y, bool, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) MODULE_PARM_DESC(invert_y, "If set, Y axis is inverted");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static irqreturn_t htcpen_interrupt(int irq, void *handle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct input_dev *htcpen_dev = handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) unsigned short x, y, xy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) /* 0 = press; 1 = release */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) outb_p(TOUCH_INDEX, HTCPEN_PORT_INDEX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) if (inb_p(HTCPEN_PORT_DATA)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) input_report_key(htcpen_dev, BTN_TOUCH, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) outb_p(X_INDEX, HTCPEN_PORT_INDEX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) x = inb_p(HTCPEN_PORT_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) outb_p(Y_INDEX, HTCPEN_PORT_INDEX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) y = inb_p(HTCPEN_PORT_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) outb_p(LSB_XY_INDEX, HTCPEN_PORT_INDEX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) xy = inb_p(HTCPEN_PORT_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) /* get high resolution value of X and Y using LSB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) x = X_AXIS_MAX - ((x * 8) + ((xy >> 4) & 0xf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) y = (y * 8) + (xy & 0xf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) if (invert_x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) x = X_AXIS_MAX - x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) if (invert_y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) y = Y_AXIS_MAX - y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) if (x != X_AXIS_MAX && x != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) input_report_key(htcpen_dev, BTN_TOUCH, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) input_report_abs(htcpen_dev, ABS_X, x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) input_report_abs(htcpen_dev, ABS_Y, y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }
^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) input_sync(htcpen_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) inb_p(HTCPEN_PORT_IRQ_CLEAR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) return IRQ_HANDLED;
^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) static int htcpen_open(struct input_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) outb_p(DEVICE_ENABLE, HTCPEN_PORT_INIT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) return 0;
^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) static void htcpen_close(struct input_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) outb_p(DEVICE_DISABLE, HTCPEN_PORT_INIT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) synchronize_irq(HTCPEN_IRQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) static int htcpen_isa_probe(struct device *dev, unsigned int id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) struct input_dev *htcpen_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) int err = -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) if (!request_region(HTCPEN_PORT_IRQ_CLEAR, 1, "htcpen")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) printk(KERN_ERR "htcpen: unable to get IO region 0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) HTCPEN_PORT_IRQ_CLEAR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) goto request_region1_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) if (!request_region(HTCPEN_PORT_INIT, 1, "htcpen")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) printk(KERN_ERR "htcpen: unable to get IO region 0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) HTCPEN_PORT_INIT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) goto request_region2_failed;
^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) if (!request_region(HTCPEN_PORT_INDEX, 2, "htcpen")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) printk(KERN_ERR "htcpen: unable to get IO region 0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) HTCPEN_PORT_INDEX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) goto request_region3_failed;
^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) htcpen_dev = input_allocate_device();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) if (!htcpen_dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) printk(KERN_ERR "htcpen: can't allocate device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) goto input_alloc_failed;
^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) htcpen_dev->name = "HTC Shift EC TouchScreen";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) htcpen_dev->id.bustype = BUS_ISA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) htcpen_dev->evbit[0] = BIT_MASK(EV_ABS) | BIT_MASK(EV_KEY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) htcpen_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) input_set_abs_params(htcpen_dev, ABS_X, 0, X_AXIS_MAX, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) input_set_abs_params(htcpen_dev, ABS_Y, 0, Y_AXIS_MAX, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) htcpen_dev->open = htcpen_open;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) htcpen_dev->close = htcpen_close;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) err = request_irq(HTCPEN_IRQ, htcpen_interrupt, 0, "htcpen",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) htcpen_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) printk(KERN_ERR "htcpen: irq busy\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) goto request_irq_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) inb_p(HTCPEN_PORT_IRQ_CLEAR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) err = input_register_device(htcpen_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) goto input_register_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) dev_set_drvdata(dev, htcpen_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) input_register_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) free_irq(HTCPEN_IRQ, htcpen_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) request_irq_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) input_free_device(htcpen_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) input_alloc_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) release_region(HTCPEN_PORT_INDEX, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) request_region3_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) release_region(HTCPEN_PORT_INIT, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) request_region2_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) release_region(HTCPEN_PORT_IRQ_CLEAR, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) request_region1_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) static int htcpen_isa_remove(struct device *dev, unsigned int id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct input_dev *htcpen_dev = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) input_unregister_device(htcpen_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) free_irq(HTCPEN_IRQ, htcpen_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) release_region(HTCPEN_PORT_INDEX, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) release_region(HTCPEN_PORT_INIT, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) release_region(HTCPEN_PORT_IRQ_CLEAR, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) static int htcpen_isa_suspend(struct device *dev, unsigned int n,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) pm_message_t state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) outb_p(DEVICE_DISABLE, HTCPEN_PORT_INIT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) static int htcpen_isa_resume(struct device *dev, unsigned int n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) outb_p(DEVICE_ENABLE, HTCPEN_PORT_INIT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) static struct isa_driver htcpen_isa_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) .probe = htcpen_isa_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) .remove = htcpen_isa_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) .suspend = htcpen_isa_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) .resume = htcpen_isa_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) .name = "htcpen",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) static const struct dmi_system_id htcshift_dmi_table[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) .ident = "Shift",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) DMI_MATCH(DMI_SYS_VENDOR, "High Tech Computer Corp"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) DMI_MATCH(DMI_PRODUCT_NAME, "Shift"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) },
^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) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) MODULE_DEVICE_TABLE(dmi, htcshift_dmi_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) static int __init htcpen_isa_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) if (!dmi_check_system(htcshift_dmi_table))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) return isa_register_driver(&htcpen_isa_driver, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) static void __exit htcpen_isa_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) isa_unregister_driver(&htcpen_isa_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) module_init(htcpen_isa_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) module_exit(htcpen_isa_exit);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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