Support for LCD on e740 e750 e400 and e800 e-series PDAs
Signed-off-by: Ian Molton <spyro@f2s.com>
diff --git a/arch/arm/mach-pxa/e800_lcd.c b/arch/arm/mach-pxa/e800_lcd.c
new file mode 100644
index 0000000..e6aeab0
--- /dev/null
+++ b/arch/arm/mach-pxa/e800_lcd.c
@@ -0,0 +1,159 @@
+/* e800_lcd.c
+ *
+ * This file contains the definitions for the LCD timings and functions
+ * to control the LCD power / frontlighting via the w100fb driver.
+ *
+ * (c) 2005 Ian Molton <spyro@f2s.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/fb.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+
+#include <video/w100fb.h>
+
+static struct w100_gen_regs e800_lcd_regs = {
+ .lcd_format = 0x00008003,
+ .lcdd_cntl1 = 0x02a00000,
+ .lcdd_cntl2 = 0x0003ffff,
+ .genlcd_cntl1 = 0x000ff2a3,
+ .genlcd_cntl2 = 0x000002a3,
+ .genlcd_cntl3 = 0x000102aa,
+};
+
+static struct w100_mode e800_lcd_mode[2] = {
+ [0] = {
+ .xres = 480,
+ .yres = 640,
+ .left_margin = 52,
+ .right_margin = 148,
+ .upper_margin = 2,
+ .lower_margin = 6,
+ .crtc_ss = 0x80350034,
+ .crtc_ls = 0x802b0026,
+ .crtc_gs = 0x80160016,
+ .crtc_vpos_gs = 0x00020003,
+ .crtc_rev = 0x0040001d,
+ .crtc_dclk = 0xe0000000,
+ .crtc_gclk = 0x82a50049,
+ .crtc_goe = 0x80ee001c,
+ .crtc_ps1_active = 0x00000000,
+ .pll_freq = 128,
+ .pixclk_divider = 4,
+ .pixclk_divider_rotated = 6,
+ .pixclk_src = CLK_SRC_PLL,
+ .sysclk_divider = 0,
+ .sysclk_src = CLK_SRC_PLL,
+ },
+ [1] = {
+ .xres = 240,
+ .yres = 320,
+ .left_margin = 15,
+ .right_margin = 88,
+ .upper_margin = 0,
+ .lower_margin = 7,
+ .crtc_ss = 0xd010000f,
+ .crtc_ls = 0x80070003,
+ .crtc_gs = 0x80000000,
+ .crtc_vpos_gs = 0x01460147,
+ .crtc_rev = 0x00400003,
+ .crtc_dclk = 0xa1700030,
+ .crtc_gclk = 0x814b0008,
+ .crtc_goe = 0x80cc0015,
+ .crtc_ps1_active = 0x00000000,
+ .pll_freq = 100,
+ .pixclk_divider = 6, /* Wince uses 14 which gives a 7MHz pclk. */
+ .pixclk_divider_rotated = 6, /* we want a 14MHz one (much nicer to look at) */
+ .pixclk_src = CLK_SRC_PLL,
+ .sysclk_divider = 0,
+ .sysclk_src = CLK_SRC_PLL,
+ }
+};
+
+
+static struct w100_gpio_regs e800_w100_gpio_info = {
+ .init_data1 = 0xc13fc019,
+ .gpio_dir1 = 0x3e40df7f,
+ .gpio_oe1 = 0x003c3000,
+ .init_data2 = 0x00000000,
+ .gpio_dir2 = 0x00000000,
+ .gpio_oe2 = 0x00000000,
+};
+
+static struct w100_mem_info e800_w100_mem_info = {
+ .ext_cntl = 0x09640011,
+ .sdram_mode_reg = 0x00600021,
+ .ext_timing_cntl = 0x10001545,
+ .io_cntl = 0x7ddd7333,
+ .size = 0x1fffff,
+};
+
+static void e800_tg_change(struct w100fb_par *par)
+{
+ unsigned long tmp;
+
+ tmp = w100fb_gpio_read(W100_GPIO_PORT_A);
+ if (par->mode->xres == 480)
+ tmp |= 0x100;
+ else
+ tmp &= ~0x100;
+ w100fb_gpio_write(W100_GPIO_PORT_A, tmp);
+}
+
+static struct w100_tg_info e800_tg_info = {
+ .change = e800_tg_change,
+};
+
+static struct w100fb_mach_info e800_fb_info = {
+ .modelist = e800_lcd_mode,
+ .num_modes = 2,
+ .regs = &e800_lcd_regs,
+ .gpio = &e800_w100_gpio_info,
+ .mem = &e800_w100_mem_info,
+ .tg = &e800_tg_info,
+ .xtal_freq = 16000000,
+};
+
+static struct resource e800_fb_resources[] = {
+ [0] = {
+ .start = 0x0c000000,
+ .end = 0x0cffffff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+/* ----------------------- device declarations -------------------------- */
+
+
+static struct platform_device e800_fb_device = {
+ .name = "w100fb",
+ .id = -1,
+ .dev = {
+ .platform_data = &e800_fb_info,
+ },
+ .num_resources = ARRAY_SIZE(e800_fb_resources),
+ .resource = e800_fb_resources,
+};
+
+static int e800_lcd_init(void)
+{
+ if (!machine_is_e800())
+ return -ENODEV;
+
+ return platform_device_register(&e800_fb_device);
+}
+
+module_init(e800_lcd_init);
+
+MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
+MODULE_DESCRIPTION("e800 lcd driver");
+MODULE_LICENSE("GPLv2");