/*
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* RK29 ebook control driver rk29_ebc.h
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*
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* Copyright (C) 2010 RockChip, Inc.
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* Author: <Dai Lunxue> dlx@rock-chips.com
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* <Hunag Lin> hl@rock-chips.com
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* <Yang Kuankuan> ykk@rock-chips.com
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef RK29_EBC_H
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#define RK29_EBC_H
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#include <linux/wait.h>
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#include <linux/timer.h>
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#include <linux/time.h>
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/wakelock.h>
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#include <linux/workqueue.h>
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#define RKEBC_DRV_VERSION "2.00"
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#define EBC_SUCCESS (0)
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#define EBC_ERROR (-1)
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//#define DIRECT_MODE
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#define AUTO_MODE_ENABLE
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/* Select WAVEFORM from nand or spi flash */
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#define NAND_WAVEFORM (0)
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#define SPI_WAVEFORM (1)
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/*SET END DISPLAY*/
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#define END_RESET (0)
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#define END_PICTURE (1)
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// ebc ioctl command
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#define GET_EBC_BUFFER (0x7000)
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#define SET_EBC_SEND_BUFFER (0x7001)
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#define GET_EBC_DRIVER_SN (0x7002)
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#define GET_EBC_BUFFER_INFO (0x7003)
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#define EBC_DRIVER_SN "RK29_EBC_DRIVER_VERSION_1.00"
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#define EBC_DRIVER_SN_LEN sizeof(EBC_DRIVER_SN)
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#define ebc_printk(dir_of_file, lev, fmt) ebc_dbg_printk(dir_of_file, lev, fmt)
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/*
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* IMPORTANT: Those values is corresponding to android hardware program,
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* so *FORBID* to changes bellow values, unless you know what you're doing.
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* And if you want to add new refresh modes, please appended to the tail.
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*/
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enum epd_refresh_mode {
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EPD_AUTO = 0,
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EPD_FULL = 1,
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EPD_A2 = 2,
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EPD_PART = 3,
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EPD_FULL_DITHER = 4,
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EPD_RESET = 5,
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EPD_BLACK_WHITE = 6,
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EPD_TEXT = 7,
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EPD_BLOCK = 8,
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EPD_FULL_WIN = 9,
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EPD_OED_PART = 10,
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EPD_DIRECT_PART = 11,
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EPD_DIRECT_A2 = 12,
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};
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#define EBC_OFF (0)
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#define EBC_ON (1)
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struct logo_info {
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int logo_pic_offset;
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int logo_end_offset;
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int logo_power_pic_offset;
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};
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//ebc panel info
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struct ebc_panel {
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int width;
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int height;
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int hsync_len;//refer to eink spec LSL
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int hstart_len;//refer to eink spec LBL
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int vsync_len;//refer to eink spec FSL
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int vend_len; //refer to eink spec FEL
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int frame_rate;
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int vir_width;
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int vir_height;
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int refcount;//fixme
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int fb_width;
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int fb_height;
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int color_panel;
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int rotate;
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int hend_len;//refer to eink spec LEL
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int vstart_len; //refer to eink spec FBL
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int gdck_sta;//refer to eink spec GDCK_STA
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int lgonl;//refer to eink spec LGONL
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};
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/*struct*/
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//ebc clocks info
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struct ebc_clk {
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struct clk *dclk; //ebc dclk
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struct clk *dclk_parent; //ebc dclk divider frequency source
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int dclk_status;
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int dclk_parent_status;
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struct clk *hclk;
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struct clk *hclk_lcdc;
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struct clk *aclk_lcdc;
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struct clk *hclk_disp_matrix;
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int hclk_status;
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int hclk_lcdc_status;
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int aclk_lcdc_status;
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int hclk_disp_matrix_status;
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struct clk *aclk_ddr_lcdc; //DDR LCDC AXI clock disable.
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struct clk *aclk_disp_matrix; //DISPLAY matrix AXI clock disable.
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struct clk *hclk_cpu_display; //CPU DISPLAY AHB bus clock disable.
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struct clk *pd_display; // display power domain
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int aclk_ddr_lcdc_status;
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int aclk_disp_matrix_status;
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int hclk_cpu_display_status;
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int pd_display_status;
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int pixclock;
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};
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struct ebc_platform_data {
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int (*io_init)(void);
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int (*io_deinit)(void);
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int (*power_on)(void);
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int (*power_off)(void);
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int (*vcom_power_on)(void);
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int (*vcom_power_off)(void);
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int (*suspend)(struct ebc_platform_data *ebc_data);
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int (*resume)(struct ebc_platform_data *ebc_data);
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const char *regulator;
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};
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struct ebc_pwr_ops {
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int (*power_on)(void);
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int (*power_down)(void);
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};
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struct ebc_temperateure_ops {
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int (*temperature_get)(int *temp);
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};
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/*android use struct*/
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struct ebc_buf_info {
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int offset;
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int epd_mode;
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int height;
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int width;
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int vir_height;
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int vir_width;
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int fb_width;
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int fb_height;
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int color_panel;
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int win_x1;
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int win_y1;
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int win_x2;
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int win_y2;
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int rotate;
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};
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// ebc sn
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struct ebc_sn_info {
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u32 key;
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u32 sn_len;
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char cip_sn[EBC_DRIVER_SN_LEN];
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};
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/* modiy for open ebc ioctl */
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extern int rkebc_register_notifier(struct notifier_block *nb);
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extern int rkebc_unregister_notifier(struct notifier_block *nb);
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#ifdef CONFIG_SOFTWARE_EBC
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extern void ebc_init_lcdc(struct rk29fb_screen *screen);
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#endif
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extern int register_ebc_pwr_ops(struct ebc_pwr_ops *ops);
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//extern int register_ebc_temp_ops(struct ebc_temperateure_ops *ops);
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extern int tps65185_temperature_get(int *temp);
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extern int rkebc_notify(unsigned long event);
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extern int rk29ebc_notify(unsigned long event);
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extern long ebc_io_ctl(struct file *file, unsigned int cmd, unsigned long arg);
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extern int ebc_sn_encode(char *sn, char *cip_sn, int sn_len, int key);
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/* public function */
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extern void set_epd_info(struct ebc_panel *panel, struct ebc_clk *epd_clk, int *height, int *width);
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extern int set_logo_info(struct logo_info *plogo_info);
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/* hooks for customs */
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void ebc_io_ctl_hook(unsigned int cmd, struct ebc_buf_info *info);
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extern int support_pvi_waveform(void);
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extern int get_lut_position(void);
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extern int set_end_display(void);
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extern int get_bootup_logo_cycle(void);
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extern int is_bootup_ani_loop(void);
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extern int is_need_show_lowpower_pic(void);
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extern int support_bootup_ani(void);
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extern int support_double_thread_calcu(void);
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extern int get_bootup_ani_mode(void);
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extern int support_tps_3v3_always_alive(void);
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#endif
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