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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /include/video/w100fb.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/video/w100fb.h')
-rw-r--r--include/video/w100fb.h150
1 files changed, 150 insertions, 0 deletions
diff --git a/include/video/w100fb.h b/include/video/w100fb.h
new file mode 100644
index 000000000..677d40326
--- /dev/null
+++ b/include/video/w100fb.h
@@ -0,0 +1,150 @@
+/*
+ * Support for the w100 frame buffer.
+ *
+ * Copyright (c) 2004-2005 Richard Purdie
+ * Copyright (c) 2005 Ian Molton
+ *
+ * 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.
+ */
+
+#define W100_GPIO_PORT_A 0
+#define W100_GPIO_PORT_B 1
+
+#define CLK_SRC_XTAL 0
+#define CLK_SRC_PLL 1
+
+struct w100fb_par;
+
+unsigned long w100fb_gpio_read(int port);
+void w100fb_gpio_write(int port, unsigned long value);
+unsigned long w100fb_get_hsynclen(struct device *dev);
+
+/* LCD Specific Routines and Config */
+struct w100_tg_info {
+ void (*change)(struct w100fb_par*);
+ void (*suspend)(struct w100fb_par*);
+ void (*resume)(struct w100fb_par*);
+};
+
+/* General Platform Specific w100 Register Values */
+struct w100_gen_regs {
+ unsigned long lcd_format;
+ unsigned long lcdd_cntl1;
+ unsigned long lcdd_cntl2;
+ unsigned long genlcd_cntl1;
+ unsigned long genlcd_cntl2;
+ unsigned long genlcd_cntl3;
+};
+
+struct w100_gpio_regs {
+ unsigned long init_data1;
+ unsigned long init_data2;
+ unsigned long gpio_dir1;
+ unsigned long gpio_oe1;
+ unsigned long gpio_dir2;
+ unsigned long gpio_oe2;
+};
+
+/* Optional External Memory Configuration */
+struct w100_mem_info {
+ unsigned long ext_cntl;
+ unsigned long sdram_mode_reg;
+ unsigned long ext_timing_cntl;
+ unsigned long io_cntl;
+ unsigned int size;
+};
+
+struct w100_bm_mem_info {
+ unsigned long ext_mem_bw;
+ unsigned long offset;
+ unsigned long ext_timing_ctl;
+ unsigned long ext_cntl;
+ unsigned long mode_reg;
+ unsigned long io_cntl;
+ unsigned long config;
+};
+
+/* LCD Mode definition */
+struct w100_mode {
+ unsigned int xres;
+ unsigned int yres;
+ unsigned short left_margin;
+ unsigned short right_margin;
+ unsigned short upper_margin;
+ unsigned short lower_margin;
+ unsigned long crtc_ss;
+ unsigned long crtc_ls;
+ unsigned long crtc_gs;
+ unsigned long crtc_vpos_gs;
+ unsigned long crtc_rev;
+ unsigned long crtc_dclk;
+ unsigned long crtc_gclk;
+ unsigned long crtc_goe;
+ unsigned long crtc_ps1_active;
+ char pll_freq;
+ char fast_pll_freq;
+ int sysclk_src;
+ int sysclk_divider;
+ int pixclk_src;
+ int pixclk_divider;
+ int pixclk_divider_rotated;
+};
+
+struct w100_pll_info {
+ uint16_t freq; /* desired Fout for PLL (Mhz) */
+ uint8_t M; /* input divider */
+ uint8_t N_int; /* VCO multiplier */
+ uint8_t N_fac; /* VCO multiplier fractional part */
+ uint8_t tfgoal;
+ uint8_t lock_time;
+};
+
+/* Initial Video mode orientation flags */
+#define INIT_MODE_ROTATED 0x1
+#define INIT_MODE_FLIPPED 0x2
+
+/*
+ * This structure describes the machine which we are running on.
+ * It is set by machine specific code and used in the probe routine
+ * of drivers/video/w100fb.c
+ */
+struct w100fb_mach_info {
+ /* General Platform Specific Registers */
+ struct w100_gen_regs *regs;
+ /* Table of modes the LCD is capable of */
+ struct w100_mode *modelist;
+ unsigned int num_modes;
+ /* Hooks for any platform specific tg/lcd code (optional) */
+ struct w100_tg_info *tg;
+ /* External memory definition (if present) */
+ struct w100_mem_info *mem;
+ /* Additional External memory definition (if present) */
+ struct w100_bm_mem_info *bm_mem;
+ /* GPIO definitions (optional) */
+ struct w100_gpio_regs *gpio;
+ /* Initial Mode flags */
+ unsigned int init_mode;
+ /* Xtal Frequency */
+ unsigned int xtal_freq;
+ /* Enable Xtal input doubler (1 == enable) */
+ unsigned int xtal_dbl;
+};
+
+/* General frame buffer data structure */
+struct w100fb_par {
+ unsigned int chip_id;
+ unsigned int xres;
+ unsigned int yres;
+ unsigned int extmem_active;
+ unsigned int flip;
+ unsigned int blanked;
+ unsigned int fastpll_mode;
+ unsigned long hsync_len;
+ struct w100_mode *mode;
+ struct w100_pll_info *pll_table;
+ struct w100fb_mach_info *mach;
+ uint32_t *saved_intmem;
+ uint32_t *saved_extmem;
+};