^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) * Support for Compaq iPAQ H3100 handheld computer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <video/sa1100fb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <asm/mach-types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <asm/mach/arch.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/platform_data/irda-sa11x0.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <mach/h3xxx.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <mach/irqs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include "generic.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * helper for sa1100fb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static struct gpio h3100_lcd_gpio[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) { H3100_GPIO_LCD_3V_ON, GPIOF_OUT_INIT_LOW, "LCD 3V" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) { H3XXX_EGPIO_LCD_ON, GPIOF_OUT_INIT_LOW, "LCD ON" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static bool h3100_lcd_request(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static bool h3100_lcd_ok;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) if (h3100_lcd_ok)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) rc = gpio_request_array(h3100_lcd_gpio, ARRAY_SIZE(h3100_lcd_gpio));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) pr_err("%s: can't request GPIOs\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) h3100_lcd_ok = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) return h3100_lcd_ok;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static void h3100_lcd_power(int enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if (!h3100_lcd_request())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) gpio_set_value(H3100_GPIO_LCD_3V_ON, enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) gpio_set_value(H3XXX_EGPIO_LCD_ON, enable);
^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) static struct sa1100fb_mach_info h3100_lcd_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .pixclock = 406977, .bpp = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) .xres = 320, .yres = 240,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .hsync_len = 26, .vsync_len = 41,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .left_margin = 4, .upper_margin = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .right_margin = 4, .lower_margin = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .cmap_greyscale = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .cmap_inverse = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .lccr0 = LCCR0_Mono | LCCR0_4PixMono | LCCR0_Sngl | LCCR0_Pas,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) .lcd_power = h3100_lcd_power,
^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) static void __init h3100_map_io(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) h3xxx_map_io();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) /* Older bootldrs put GPIO2-9 in alternate mode on the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) assumption that they are used for video */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) GAFR &= ~0x000001fb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) * This turns the IRDA power on or off on the Compaq H3100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) static struct gpio h3100_irda_gpio[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) { H3100_GPIO_IR_ON, GPIOF_OUT_INIT_LOW, "IrDA power" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) { H3100_GPIO_IR_FSEL, GPIOF_OUT_INIT_LOW, "IrDA fsel" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) static int h3100_irda_set_power(struct device *dev, unsigned int state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) gpio_set_value(H3100_GPIO_IR_ON, state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) static void h3100_irda_set_speed(struct device *dev, unsigned int speed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000));
^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) static int h3100_irda_startup(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) return gpio_request_array(h3100_irda_gpio, sizeof(h3100_irda_gpio));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) static void h3100_irda_shutdown(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) return gpio_free_array(h3100_irda_gpio, sizeof(h3100_irda_gpio));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static struct irda_platform_data h3100_irda_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) .set_power = h3100_irda_set_power,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) .set_speed = h3100_irda_set_speed,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) .startup = h3100_irda_startup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) .shutdown = h3100_irda_shutdown,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) static void __init h3100_mach_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) h3xxx_mach_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) sa11x0_register_pcmcia(-1, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) sa11x0_register_lcd(&h3100_lcd_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) sa11x0_register_irda(&h3100_irda_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) MACHINE_START(H3100, "Compaq iPAQ H3100")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) .atag_offset = 0x100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) .map_io = h3100_map_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) .nr_irqs = SA1100_NR_IRQS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) .init_irq = sa1100_init_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) .init_time = sa1100_timer_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) .init_machine = h3100_mach_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) .init_late = sa11x0_init_late,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) .restart = sa11x0_restart,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) MACHINE_END
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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