video: auo_k190x: add code shared by controller drivers

The AUO-K190X controllers share a very similar set of commands and
can therefore also share most of the driver code.

Signed-off-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>

1 files changed, 106 insertions, 0 deletions

diff --git a/include/video/auo_k190xfb.h b/include/video/auo_k190xfb.h
new file mode 100644
index 000000000000..609efe8c686e
--- /dev/null
+++ b/include/video/auo_k190xfb.h
@@ -0,0 +1,106 @@
+/*
+ * Definitions for AUO-K190X framebuffer drivers
+ *
+ * Copyright (C) 2012 Heiko Stuebner <heiko@sntech.de>
+ *
+ * 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.
+ */
+
+#ifndef _LINUX_VIDEO_AUO_K190XFB_H_
+#define _LINUX_VIDEO_AUO_K190XFB_H_
+
+/* Controller standby command needs a param */
+#define AUOK190X_QUIRK_STANDBYPARAM     (1 << 0)
+
+/* Controller standby is completely broken */
+#define AUOK190X_QUIRK_STANDBYBROKEN    (1 << 1)
+
+/*
+ * Resolutions for the displays
+ */
+#define AUOK190X_RESOLUTION_800_600             0
+#define AUOK190X_RESOLUTION_1024_768            1
+
+/*
+ * struct used by auok190x. board specific stuff comes from *board
+ */
+struct auok190xfb_par {
+        struct fb_info *info;
+        struct auok190x_board *board;
+
+        struct regulator *regulator;
+
+        struct mutex io_lock;
+        struct delayed_work work;
+        wait_queue_head_t waitq;
+        int resolution;
+        int rotation;
+        int consecutive_threshold;
+        int update_cnt;
+
+        /* panel and controller informations */
+        int epd_type;
+        int panel_size_int;
+        int panel_size_float;
+        int panel_model;
+        int tcon_version;
+        int lut_version;
+
+        /* individual controller callbacks */
+        void (*update_partial)(struct auok190xfb_par *par, u16 y1, u16 y2);
+        void (*update_all)(struct auok190xfb_par *par);
+        bool (*need_refresh)(struct auok190xfb_par *par);
+        void (*init)(struct auok190xfb_par *par);
+        void (*recover)(struct auok190xfb_par *par);
+
+        int update_mode; /* mode to use for updates */
+        int last_mode; /* update mode last used */
+        int flash;
+
+        /* power management */
+        int autosuspend_delay;
+        bool standby;
+        bool manual_standby;
+};
+
+/**
+ * Board specific platform-data
+ * @init:               initialize the controller interface
+ * @cleanup:            cleanup the controller interface
+ * @wait_for_rdy:       wait until the controller is not busy anymore
+ * @set_ctl:            change an interface control
+ * @set_hdb:            write a value to the data register
+ * @get_hdb:            read a value from the data register
+ * @setup_irq:          method to setup the irq handling on the busy gpio
+ * @gpio_nsleep:        sleep gpio
+ * @gpio_nrst:          reset gpio
+ * @gpio_nbusy:         busy gpio
+ * @resolution:         one of the AUOK190X_RESOLUTION constants
+ * @rotation:           rotation of the framebuffer
+ * @quirks:             controller quirks to honor
+ * @fps:                frames per second for defio
+ */
+struct auok190x_board {
+        int (*init)(struct auok190xfb_par *);
+        void (*cleanup)(struct auok190xfb_par *);
+        int (*wait_for_rdy)(struct auok190xfb_par *);
+
+        void (*set_ctl)(struct auok190xfb_par *, unsigned char, u8);
+        void (*set_hdb)(struct auok190xfb_par *, u16);
+        u16 (*get_hdb)(struct auok190xfb_par *);
+
+        int (*setup_irq)(struct fb_info *);
+
+        int gpio_nsleep;
+        int gpio_nrst;
+        int gpio_nbusy;
+
+        int resolution;
+        int rotation;
+        int quirks;
+        int fps;
+};
+
+#endif