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, 129 insertions, 0 deletions

diff --git a/drivers/video/auo_k190x.h b/drivers/video/auo_k190x.h
new file mode 100644
index 000000000000..e35af1f51b28
--- /dev/null
+++ b/drivers/video/auo_k190x.h
@@ -0,0 +1,129 @@
+/*
+ * Private common 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.
+ */
+
+/*
+ * I80 interface specific defines
+ */
+
+#define AUOK190X_I80_CS                 0x01
+#define AUOK190X_I80_DC                 0x02
+#define AUOK190X_I80_WR                 0x03
+#define AUOK190X_I80_OE                 0x04
+
+/*
+ * AUOK190x commands, common to both controllers
+ */
+
+#define AUOK190X_CMD_INIT               0x0000
+#define AUOK190X_CMD_STANDBY            0x0001
+#define AUOK190X_CMD_WAKEUP             0x0002
+#define AUOK190X_CMD_TCON_RESET         0x0003
+#define AUOK190X_CMD_DATA_STOP          0x1002
+#define AUOK190X_CMD_LUT_START          0x1003
+#define AUOK190X_CMD_DISP_REFRESH       0x1004
+#define AUOK190X_CMD_DISP_RESET         0x1005
+#define AUOK190X_CMD_PRE_DISPLAY_START  0x100D
+#define AUOK190X_CMD_PRE_DISPLAY_STOP   0x100F
+#define AUOK190X_CMD_FLASH_W            0x2000
+#define AUOK190X_CMD_FLASH_E            0x2001
+#define AUOK190X_CMD_FLASH_STS          0x2002
+#define AUOK190X_CMD_FRAMERATE          0x3000
+#define AUOK190X_CMD_READ_VERSION       0x4000
+#define AUOK190X_CMD_READ_STATUS        0x4001
+#define AUOK190X_CMD_READ_LUT           0x4003
+#define AUOK190X_CMD_DRIVERTIMING       0x5000
+#define AUOK190X_CMD_LBALANCE           0x5001
+#define AUOK190X_CMD_AGINGMODE          0x6000
+#define AUOK190X_CMD_AGINGEXIT          0x6001
+
+/*
+ * Common settings for AUOK190X_CMD_INIT
+ */
+
+#define AUOK190X_INIT_DATA_FILTER       (0 << 12)
+#define AUOK190X_INIT_DATA_BYPASS       (1 << 12)
+#define AUOK190X_INIT_INVERSE_WHITE     (0 << 9)
+#define AUOK190X_INIT_INVERSE_BLACK     (1 << 9)
+#define AUOK190X_INIT_SCAN_DOWN         (0 << 1)
+#define AUOK190X_INIT_SCAN_UP           (1 << 1)
+#define AUOK190X_INIT_SHIFT_LEFT        (0 << 0)
+#define AUOK190X_INIT_SHIFT_RIGHT       (1 << 0)
+
+/* Common bits to pixels
+ *   Mode       15-12   11-8    7-4     3-0
+ *   format0    4       3       2       1
+ *   format1    3       4       1       2
+ */
+
+#define AUOK190X_INIT_FORMAT0           0
+#define AUOK190X_INIT_FORMAT1           (1 << 6)
+
+/*
+ * settings for AUOK190X_CMD_RESET
+ */
+
+#define AUOK190X_RESET_TCON             (0 << 0)
+#define AUOK190X_RESET_NORMAL           (1 << 0)
+#define AUOK190X_RESET_PON              (1 << 1)
+
+/*
+ * AUOK190X_CMD_VERSION
+ */
+
+#define AUOK190X_VERSION_TEMP_MASK              (0x1ff)
+#define AUOK190X_VERSION_EPD_MASK               (0xff)
+#define AUOK190X_VERSION_SIZE_INT(_val)         ((_val & 0xfc00) >> 10)
+#define AUOK190X_VERSION_SIZE_FLOAT(_val)       ((_val & 0x3c0) >> 6)
+#define AUOK190X_VERSION_MODEL(_val)            (_val & 0x3f)
+#define AUOK190X_VERSION_LUT(_val)              (_val & 0xff)
+#define AUOK190X_VERSION_TCON(_val)             ((_val & 0xff00) >> 8)
+
+/*
+ * update modes for CMD_PARTIALDISP on K1900 and CMD_DDMA on K1901
+ */
+
+#define AUOK190X_UPDATE_MODE(_res)              ((_res & 0x7) << 12)
+#define AUOK190X_UPDATE_NONFLASH                (1 << 15)
+
+/*
+ * track panel specific parameters for common init
+ */
+
+struct auok190x_init_data {
+        char *id;
+        struct auok190x_board *board;
+
+        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);
+};
+
+
+extern void auok190x_send_command_nowait(struct auok190xfb_par *par, u16 data);
+extern int auok190x_send_command(struct auok190xfb_par *par, u16 data);
+extern void auok190x_send_cmdargs_nowait(struct auok190xfb_par *par, u16 cmd,
+                                         int argc, u16 *argv);
+extern int auok190x_send_cmdargs(struct auok190xfb_par *par, u16 cmd,
+                                  int argc, u16 *argv);
+extern void auok190x_send_cmdargs_pixels_nowait(struct auok190xfb_par *par,
+                                                u16 cmd, int argc, u16 *argv,
+                                                int size, u16 *data);
+extern int auok190x_send_cmdargs_pixels(struct auok190xfb_par *par, u16 cmd,
+                                        int argc, u16 *argv, int size,
+                                        u16 *data);
+extern int auok190x_read_cmdargs(struct auok190xfb_par *par, u16 cmd,
+                                  int argc, u16 *argv);
+
+extern int auok190x_common_probe(struct platform_device *pdev,
+                                 struct auok190x_init_data *init);
+extern int auok190x_common_remove(struct platform_device *pdev);
+
+extern const struct dev_pm_ops auok190x_pm;