/*
 *      auofb_ioctl.h
 *      
 *      Copyright 2009 Bookeen <devs@bookeen.com>
 *      
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation; either version 2 of the License.
 *      
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *      
 *      You should have received a copy of the GNU General Public License
 *      along with this program; if not, write to the Free Software
 *      Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 *      MA 02110-1301, USA.
 */

#ifndef AUOFB_IOCTL_H
#define AUOFB_IOCTL_H

#pragma pack(1)
typedef struct sAUOCommand_t
{

   unsigned long cmd;
   unsigned short params[5];
   unsigned long datalen;
   unsigned short *data;
   
} sAUOCommand;
#pragma pack()

/* [MTR]: Epson_S1D13521 Like command interface for AUO TCON K1900 */
#define IOCTL_AUO_PREFIX      ('A' << 8)
#define IOCTL_AUO_SENDCOMMAND (IOCTL_AUO_PREFIX | 0x01)

/* Command definition                                                          *
 * 3322 2222 2222 1111 1111 1100 0000 0000                                     *
 * 1098 7654 3210 9876 5432 1098 7654 3210                                     *
 * ---------------------------------------                                     *
 *   WD      pppp      CCCC CCCC CCCC CCCC                                     *
 *
 * W = 'need_wait'
 * D = 'have_data'
 * p = 'nb_param'
 * C = "command"
 */
#define SET_AUO_COMMAND(command, nb_param, have_data, need_wait) \
                                                ( ((need_wait & 0x01) << 29) |\
                                                  ((have_data & 0x01) << 28) |\
                                                  ((nb_param  & 0x0F) << 20) |\
                                                   (command & 0xFFFF) )
 
#define AUOCMD_INIT_SET          SET_AUO_COMMAND(0x0000, 1, 0, 1)
#define AUOCMD_STANDBY           SET_AUO_COMMAND(0x0001, 0, 0, 1)
#define AUOCMD_WAKEUP            SET_AUO_COMMAND(0x0002, 0, 0, 0)
#define AUOCMD_DISPLAY_START     SET_AUO_COMMAND(0x1001, 4, 1, 1)
#define AUOCMD_DISPLAY_STOP      SET_AUO_COMMAND(0x1002, 0, 0, 1)
#define AUOCMD_DISPLAY_REFRESH   SET_AUO_COMMAND(0x1004, 0, 0, 1)
#define AUOCMD_DISPLAY_RESET     SET_AUO_COMMAND(0x1005, 0, 0, 1)
//#define AUOCMD_LUMINANCE_BALANCE SET_AUO_COMMAND(0x5001, 1, 0, 1)
//#define AUOCMD_AGING_MODE        SET_AUO_COMMAND(0x6000, 0, 0, 1)
//#define AUOCMD_AGING_MODE_EXIT   SET_AUO_COMMAND(0x6001, 0, 0, 1)
//#define AUOCMD_POWER_CONTROL     SET_AUO_COMMAND(0x7000, 2, 0, 1)

#define AUO_DSPPARAM_FLASH (1 << 15)
#define AUO_DSPPARAM_MODE_GRAYwFLASH (0x00 << 12) /* Mode 0: Gray 4bit With Flash */
#define AUO_DSPPARAM_MODE_GRAYnFLASH (0x01 << 12) /* Mode 1: Gray 4bit Without flash */ 
#define AUO_DSPPARAM_MODE_TEXT       (0x02 << 12) /* Mode 2: Text mode 2bit */
#define AUO_DSPPARAM_MODE_HIGHSPEED  (0x03 << 12) /* Mode 3: Highspeed mode 1bit */
#define AUO_DSPPARAM_MODE_HANDWRITE  (0x04 << 12) /* Mode 4: Handwriting mode 1bit */
#define AUO_DSPPARAM_MODE_AUTOSELECT (0x05 << 12) /* Mode 5: Autoselect mode */

/* INIT_SET command parameters */
#define AUO_INITPARAM_OUT_DATA_ARR   (0x01 <<  5) /* Set to 0 (default) for normal, 1 for inverse byte order */

#define AUO_INITPARAM_RESOL_800x600  (0x00 <<  2) /* Set to 800x600 (default) */
#define AUO_INITPARAM_RESOL_1024x768 (0x01 <<  2) /* Set to 1024x768          */
#define AUO_INITPARAM_RESOL_600x800  (0x04 <<  2) /* Set to 600x800           */
#define AUO_INITPARAM_RESOL_768x1024 (0x05 <<  2) /* Set to 768x1024          */

#define AUO_INITPARAM_UD_FUNC        (0x01 <<  1) /* Set to 0 (default) to scan down, 1 to scan up */
#define AUO_INITPARAM_SHL_FUNC       (0x01 <<  0) /* Set to 0 to shift left, 1 (default) to scan right */

#define AUO_INITPARAM_IN_DATA_ARR    (0x01 <<  6) /* Set to 0 (default) for normal, 1 for inverse byte order */

#define AUO_INITPARAM_INV_DISPLAY    (0x01 <<  9) /* Set to 0 (default) for normal colors, 1 for inversed colors */

#define AUO_INITPARAM_ROTATION_000   (0x00 << 10) /* Set the rotation to   0° (0) */
#define AUO_INITPARAM_ROTATION_090   (0x01 << 10) /* Set the rotation to  90° (PI/2) */
#define AUO_INITPARAM_ROTATION_180   (0x02 << 10) /* Set the rotation to 180° (PI) */
#define AUO_INITPARAM_ROTATION_270   (0x03 << 10) /* Set the rotation to 270° (1.5*PI) */

#define AUO_INITPARAM_DATA_FILTER    (0x01 << 12) /* Data filter (1: active, 0: inactive) */
#define AUO_INITPARAM_TEMP_AVERAGE   (0x01 << 13) /* Temperature average (1: active, 0: inactive) */

int Epaper_sendCommand(sAUOCommand *cmd);

/* Please, do not use these #define s */
#define GET_COMMAND_PARAM_NUM(command) ((command >> 20) & 0x0F)
#define GET_COMMAND_HAVE_DATA(command) ((command >> 28) & 0x01)
#define GET_COMMAND_NEED_WAIT(command) ((command >> 29) & 0x01)

#endif /* AUOFB_IOCTL_H */