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-rw-r--r--drivers/video/fbdev/omap/omapfb.h230
1 files changed, 230 insertions, 0 deletions
diff --git a/drivers/video/fbdev/omap/omapfb.h b/drivers/video/fbdev/omap/omapfb.h
new file mode 100644
index 0000000000..ab1cb6e7f5
--- /dev/null
+++ b/drivers/video/fbdev/omap/omapfb.h
@@ -0,0 +1,230 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * File: drivers/video/omap/omapfb.h
+ *
+ * Framebuffer driver for TI OMAP boards
+ *
+ * Copyright (C) 2004 Nokia Corporation
+ * Author: Imre Deak <imre.deak@nokia.com>
+ */
+
+#ifndef __OMAPFB_H
+#define __OMAPFB_H
+
+#include <linux/fb.h>
+#include <linux/mutex.h>
+#include <linux/omapfb.h>
+
+#define OMAPFB_EVENT_READY 1
+#define OMAPFB_EVENT_DISABLED 2
+
+#define OMAP_LCDC_INV_VSYNC 0x0001
+#define OMAP_LCDC_INV_HSYNC 0x0002
+#define OMAP_LCDC_INV_PIX_CLOCK 0x0004
+#define OMAP_LCDC_INV_OUTPUT_EN 0x0008
+#define OMAP_LCDC_HSVS_RISING_EDGE 0x0010
+#define OMAP_LCDC_HSVS_OPPOSITE 0x0020
+
+#define OMAP_LCDC_SIGNAL_MASK 0x003f
+
+#define OMAP_LCDC_PANEL_TFT 0x0100
+
+#define OMAPFB_PLANE_XRES_MIN 8
+#define OMAPFB_PLANE_YRES_MIN 8
+
+struct omapfb_device;
+
+#define OMAPFB_PLANE_NUM 1
+
+struct omapfb_mem_region {
+ u32 paddr;
+ void __iomem *vaddr;
+ unsigned long size;
+ u8 type; /* OMAPFB_PLANE_MEM_* */
+ enum omapfb_color_format format;/* OMAPFB_COLOR_* */
+ unsigned format_used:1; /* Must be set when format is set.
+ * Needed b/c of the badly chosen 0
+ * base for OMAPFB_COLOR_* values
+ */
+ unsigned alloc:1; /* allocated by the driver */
+ unsigned map:1; /* kernel mapped by the driver */
+};
+
+struct omapfb_mem_desc {
+ int region_cnt;
+ struct omapfb_mem_region region[OMAPFB_PLANE_NUM];
+};
+
+struct lcd_panel {
+ const char *name;
+ int config; /* TFT/STN, signal inversion */
+ int bpp; /* Pixel format in fb mem */
+ int data_lines; /* Lines on LCD HW interface */
+
+ int x_res, y_res;
+ int pixel_clock; /* In kHz */
+ int hsw; /* Horizontal synchronization
+ pulse width */
+ int hfp; /* Horizontal front porch */
+ int hbp; /* Horizontal back porch */
+ int vsw; /* Vertical synchronization
+ pulse width */
+ int vfp; /* Vertical front porch */
+ int vbp; /* Vertical back porch */
+ int acb; /* ac-bias pin frequency */
+ int pcd; /* pixel clock divider.
+ Obsolete use pixel_clock instead */
+
+ int (*init) (struct lcd_panel *panel,
+ struct omapfb_device *fbdev);
+ void (*cleanup) (struct lcd_panel *panel);
+ int (*enable) (struct lcd_panel *panel);
+ void (*disable) (struct lcd_panel *panel);
+ unsigned long (*get_caps) (struct lcd_panel *panel);
+ int (*set_bklight_level)(struct lcd_panel *panel,
+ unsigned int level);
+ unsigned int (*get_bklight_level)(struct lcd_panel *panel);
+ unsigned int (*get_bklight_max) (struct lcd_panel *panel);
+ int (*run_test) (struct lcd_panel *panel, int test_num);
+};
+
+struct extif_timings {
+ int cs_on_time;
+ int cs_off_time;
+ int we_on_time;
+ int we_off_time;
+ int re_on_time;
+ int re_off_time;
+ int we_cycle_time;
+ int re_cycle_time;
+ int cs_pulse_width;
+ int access_time;
+
+ int clk_div;
+
+ u32 tim[5]; /* set by extif->convert_timings */
+
+ int converted;
+};
+
+struct lcd_ctrl_extif {
+ int (*init) (struct omapfb_device *fbdev);
+ void (*cleanup) (void);
+ void (*get_clk_info) (u32 *clk_period, u32 *max_clk_div);
+ unsigned long (*get_max_tx_rate)(void);
+ int (*convert_timings) (struct extif_timings *timings);
+ void (*set_timings) (const struct extif_timings *timings);
+ void (*set_bits_per_cycle)(int bpc);
+ void (*write_command) (const void *buf, unsigned int len);
+ void (*read_data) (void *buf, unsigned int len);
+ void (*write_data) (const void *buf, unsigned int len);
+ void (*transfer_area) (int width, int height,
+ void (callback)(void *data), void *data);
+ int (*setup_tearsync) (unsigned pin_cnt,
+ unsigned hs_pulse_time, unsigned vs_pulse_time,
+ int hs_pol_inv, int vs_pol_inv, int div);
+ int (*enable_tearsync) (int enable, unsigned line);
+
+ unsigned long max_transmit_size;
+};
+
+struct omapfb_notifier_block {
+ struct notifier_block nb;
+ void *data;
+ int plane_idx;
+};
+
+typedef int (*omapfb_notifier_callback_t)(struct notifier_block *,
+ unsigned long event,
+ void *fbi);
+
+struct lcd_ctrl {
+ const char *name;
+ void *data;
+
+ int (*init) (struct omapfb_device *fbdev,
+ int ext_mode,
+ struct omapfb_mem_desc *req_md);
+ void (*cleanup) (void);
+ void (*bind_client) (struct omapfb_notifier_block *nb);
+ void (*get_caps) (int plane, struct omapfb_caps *caps);
+ int (*set_update_mode)(enum omapfb_update_mode mode);
+ enum omapfb_update_mode (*get_update_mode)(void);
+ int (*setup_plane) (int plane, int channel_out,
+ unsigned long offset,
+ int screen_width,
+ int pos_x, int pos_y, int width,
+ int height, int color_mode);
+ int (*set_rotate) (int angle);
+ int (*setup_mem) (int plane, size_t size,
+ int mem_type, unsigned long *paddr);
+ int (*mmap) (struct fb_info *info,
+ struct vm_area_struct *vma);
+ int (*set_scale) (int plane,
+ int orig_width, int orig_height,
+ int out_width, int out_height);
+ int (*enable_plane) (int plane, int enable);
+ int (*update_window) (struct fb_info *fbi,
+ struct omapfb_update_window *win,
+ void (*callback)(void *),
+ void *callback_data);
+ void (*sync) (void);
+ void (*suspend) (void);
+ void (*resume) (void);
+ int (*run_test) (int test_num);
+ int (*setcolreg) (u_int regno, u16 red, u16 green,
+ u16 blue, u16 transp,
+ int update_hw_mem);
+ int (*set_color_key) (struct omapfb_color_key *ck);
+ int (*get_color_key) (struct omapfb_color_key *ck);
+};
+
+enum omapfb_state {
+ OMAPFB_DISABLED = 0,
+ OMAPFB_SUSPENDED = 99,
+ OMAPFB_ACTIVE = 100
+};
+
+struct omapfb_plane_struct {
+ int idx;
+ struct omapfb_plane_info info;
+ enum omapfb_color_format color_mode;
+ struct omapfb_device *fbdev;
+};
+
+struct omapfb_device {
+ int state;
+ int ext_lcdc; /* Using external
+ LCD controller */
+ struct mutex rqueue_mutex;
+
+ int palette_size;
+ u32 pseudo_palette[17];
+
+ struct lcd_panel *panel; /* LCD panel */
+ const struct lcd_ctrl *ctrl; /* LCD controller */
+ const struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */
+ int ext_irq;
+ int int_irq;
+ struct lcd_ctrl_extif *ext_if; /* LCD ctrl external
+ interface */
+ struct device *dev;
+ struct fb_var_screeninfo new_var; /* for mode changes */
+
+ struct omapfb_mem_desc mem_desc;
+ struct fb_info *fb_info[OMAPFB_PLANE_NUM];
+
+ struct platform_device *dssdev; /* dummy dev for clocks */
+};
+
+extern struct lcd_ctrl omap1_lcd_ctrl;
+
+extern void omapfb_register_panel(struct lcd_panel *panel);
+extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval);
+extern void omapfb_notify_clients(struct omapfb_device *fbdev,
+ unsigned long event);
+extern int omapfb_register_client(struct omapfb_notifier_block *nb,
+ omapfb_notifier_callback_t callback,
+ void *callback_data);
+extern int omapfb_unregister_client(struct omapfb_notifier_block *nb);
+#endif /* __OMAPFB_H */
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