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Diffstat (limited to 'include/video/exynos_mipi_dsim.h')
| -rw-r--r-- | include/video/exynos_mipi_dsim.h | 358 |
1 files changed, 0 insertions, 358 deletions
diff --git a/include/video/exynos_mipi_dsim.h b/include/video/exynos_mipi_dsim.h deleted file mode 100644 index 6a578f8a1b3e..000000000000 --- a/include/video/exynos_mipi_dsim.h +++ /dev/null @@ -1,358 +0,0 @@ -/* include/video/exynos_mipi_dsim.h - * - * Platform data header for Samsung SoC MIPI-DSIM. - * - * Copyright (c) 2012 Samsung Electronics Co., Ltd - * - * InKi Dae <inki.dae@samsung.com> - * Donghwa Lee <dh09.lee@samsung.com> - * - * 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 _EXYNOS_MIPI_DSIM_H -#define _EXYNOS_MIPI_DSIM_H - -#include <linux/device.h> -#include <linux/fb.h> - -#define PANEL_NAME_SIZE (32) - -/* - * Enumerate display interface type. - * - * DSIM_COMMAND means cpu interface and rgb interface for DSIM_VIDEO. - * - * P.S. MIPI DSI Master has two display controller intefaces, RGB Interface - * for main display and CPU Interface(same as I80 Interface) for main - * and sub display. - */ -enum mipi_dsim_interface_type { - DSIM_COMMAND, - DSIM_VIDEO -}; - -enum mipi_dsim_virtual_ch_no { - DSIM_VIRTUAL_CH_0, - DSIM_VIRTUAL_CH_1, - DSIM_VIRTUAL_CH_2, - DSIM_VIRTUAL_CH_3 -}; - -enum mipi_dsim_burst_mode_type { - DSIM_NON_BURST_SYNC_EVENT, - DSIM_BURST_SYNC_EVENT, - DSIM_NON_BURST_SYNC_PULSE, - DSIM_BURST, - DSIM_NON_VIDEO_MODE -}; - -enum mipi_dsim_no_of_data_lane { - DSIM_DATA_LANE_1, - DSIM_DATA_LANE_2, - DSIM_DATA_LANE_3, - DSIM_DATA_LANE_4 -}; - -enum mipi_dsim_byte_clk_src { - DSIM_PLL_OUT_DIV8, - DSIM_EXT_CLK_DIV8, - DSIM_EXT_CLK_BYPASS -}; - -enum mipi_dsim_pixel_format { - DSIM_CMD_3BPP, - DSIM_CMD_8BPP, - DSIM_CMD_12BPP, - DSIM_CMD_16BPP, - DSIM_VID_16BPP_565, - DSIM_VID_18BPP_666PACKED, - DSIM_18BPP_666LOOSELYPACKED, - DSIM_24BPP_888 -}; - -/* - * struct mipi_dsim_config - interface for configuring mipi-dsi controller. - * - * @auto_flush: enable or disable Auto flush of MD FIFO using VSYNC pulse. - * @eot_disable: enable or disable EoT packet in HS mode. - * @auto_vertical_cnt: specifies auto vertical count mode. - * in Video mode, the vertical line transition uses line counter - * configured by VSA, VBP, and Vertical resolution. - * If this bit is set to '1', the line counter does not use VSA and VBP - * registers.(in command mode, this variable is ignored) - * @hse: set horizontal sync event mode. - * In VSYNC pulse and Vporch area, MIPI DSI master transfers only HSYNC - * start packet to MIPI DSI slave at MIPI DSI spec1.1r02. - * this bit transfers HSYNC end packet in VSYNC pulse and Vporch area - * (in mommand mode, this variable is ignored) - * @hfp: specifies HFP disable mode. - * if this variable is set, DSI master ignores HFP area in VIDEO mode. - * (in command mode, this variable is ignored) - * @hbp: specifies HBP disable mode. - * if this variable is set, DSI master ignores HBP area in VIDEO mode. - * (in command mode, this variable is ignored) - * @hsa: specifies HSA disable mode. - * if this variable is set, DSI master ignores HSA area in VIDEO mode. - * (in command mode, this variable is ignored) - * @cma_allow: specifies the number of horizontal lines, where command packet - * transmission is allowed after Stable VFP period. - * @e_interface: specifies interface to be used.(CPU or RGB interface) - * @e_virtual_ch: specifies virtual channel number that main or - * sub diaplsy uses. - * @e_pixel_format: specifies pixel stream format for main or sub display. - * @e_burst_mode: selects Burst mode in Video mode. - * in Non-burst mode, RGB data area is filled with RGB data and NULL - * packets, according to input bandwidth of RGB interface. - * In Burst mode, RGB data area is filled with RGB data only. - * @e_no_data_lane: specifies data lane count to be used by Master. - * @e_byte_clk: select byte clock source. (it must be DSIM_PLL_OUT_DIV8) - * DSIM_EXT_CLK_DIV8 and DSIM_EXT_CLK_BYPASSS are not supported. - * @pll_stable_time: specifies the PLL Timer for stability of the ganerated - * clock(System clock cycle base) - * if the timer value goes to 0x00000000, the clock stable bit of status - * and interrupt register is set. - * @esc_clk: specifies escape clock frequency for getting the escape clock - * prescaler value. - * @stop_holding_cnt: specifies the interval value between transmitting - * read packet(or write "set_tear_on" command) and BTA request. - * after transmitting read packet or write "set_tear_on" command, - * BTA requests to D-PHY automatically. this counter value specifies - * the interval between them. - * @bta_timeout: specifies the timer for BTA. - * this register specifies time out from BTA request to change - * the direction with respect to Tx escape clock. - * @rx_timeout: specifies the timer for LP Rx mode timeout. - * this register specifies time out on how long RxValid deasserts, - * after RxLpdt asserts with respect to Tx escape clock. - * - RxValid specifies Rx data valid indicator. - * - RxLpdt specifies an indicator that D-PHY is under RxLpdt mode. - * - RxValid and RxLpdt specifies signal from D-PHY. - */ -struct mipi_dsim_config { - unsigned char auto_flush; - unsigned char eot_disable; - - unsigned char auto_vertical_cnt; - unsigned char hse; - unsigned char hfp; - unsigned char hbp; - unsigned char hsa; - unsigned char cmd_allow; - - enum mipi_dsim_interface_type e_interface; - enum mipi_dsim_virtual_ch_no e_virtual_ch; - enum mipi_dsim_pixel_format e_pixel_format; - enum mipi_dsim_burst_mode_type e_burst_mode; - enum mipi_dsim_no_of_data_lane e_no_data_lane; - enum mipi_dsim_byte_clk_src e_byte_clk; - - /* - * =========================================== - * | P | M | S | MHz | - * ------------------------------------------- - * | 3 | 100 | 3 | 100 | - * | 3 | 100 | 2 | 200 | - * | 3 | 63 | 1 | 252 | - * | 4 | 100 | 1 | 300 | - * | 4 | 110 | 1 | 330 | - * | 12 | 350 | 1 | 350 | - * | 3 | 100 | 1 | 400 | - * | 4 | 150 | 1 | 450 | - * | 6 | 118 | 1 | 472 | - * | 3 | 120 | 1 | 480 | - * | 12 | 250 | 0 | 500 | - * | 4 | 100 | 0 | 600 | - * | 3 | 81 | 0 | 648 | - * | 3 | 88 | 0 | 704 | - * | 3 | 90 | 0 | 720 | - * | 3 | 100 | 0 | 800 | - * | 12 | 425 | 0 | 850 | - * | 4 | 150 | 0 | 900 | - * | 12 | 475 | 0 | 950 | - * | 6 | 250 | 0 | 1000 | - * ------------------------------------------- - */ - - /* - * pms could be calculated as the following. - * M * 24 / P * 2 ^ S = MHz - */ - unsigned char p; - unsigned short m; - unsigned char s; - - unsigned int pll_stable_time; - unsigned long esc_clk; - - unsigned short stop_holding_cnt; - unsigned char bta_timeout; - unsigned short rx_timeout; -}; - -/* - * struct mipi_dsim_device - global interface for mipi-dsi driver. - * - * @dev: driver model representation of the device. - * @id: unique device id. - * @clock: pointer to MIPI-DSI clock of clock framework. - * @irq: interrupt number to MIPI-DSI controller. - * @reg_base: base address to memory mapped SRF of MIPI-DSI controller. - * (virtual address) - * @lock: the mutex protecting this data structure. - * @dsim_info: infomation for configuring mipi-dsi controller. - * @master_ops: callbacks to mipi-dsi operations. - * @dsim_lcd_dev: pointer to activated ddi device. - * (it would be registered by mipi-dsi driver.) - * @dsim_lcd_drv: pointer to activated_ddi driver. - * (it would be registered by mipi-dsi driver.) - * @lcd_info: pointer to mipi_lcd_info structure. - * @state: specifies status of MIPI-DSI controller. - * the status could be RESET, INIT, STOP, HSCLKEN and ULPS. - * @data_lane: specifiec enabled data lane number. - * this variable would be set by driver according to e_no_data_lane - * automatically. - * @e_clk_src: select byte clock source. - * @pd: pointer to MIPI-DSI driver platform data. - * @phy: pointer to the MIPI-DSI PHY - */ -struct mipi_dsim_device { - struct device *dev; - int id; - struct clk *clock; - unsigned int irq; - void __iomem *reg_base; - struct mutex lock; - - struct mipi_dsim_config *dsim_config; - struct mipi_dsim_master_ops *master_ops; - struct mipi_dsim_lcd_device *dsim_lcd_dev; - struct mipi_dsim_lcd_driver *dsim_lcd_drv; - - unsigned int state; - unsigned int data_lane; - unsigned int e_clk_src; - bool suspended; - - struct mipi_dsim_platform_data *pd; - struct phy *phy; -}; - -/* - * struct mipi_dsim_platform_data - interface to platform data - * for mipi-dsi driver. - * - * @lcd_panel_name: specifies lcd panel name registered to mipi-dsi driver. - * lcd panel driver searched would be actived. - * @dsim_config: pointer of structure for configuring mipi-dsi controller. - * @enabled: indicate whether mipi controller got enabled or not. - * @lcd_panel_info: pointer for lcd panel specific structure. - * this structure specifies width, height, timing and polarity and so on. - */ -struct mipi_dsim_platform_data { - char lcd_panel_name[PANEL_NAME_SIZE]; - - struct mipi_dsim_config *dsim_config; - unsigned int enabled; - void *lcd_panel_info; -}; - -/* - * struct mipi_dsim_master_ops - callbacks to mipi-dsi operations. - * - * @cmd_write: transfer command to lcd panel at LP mode. - * @cmd_read: read command from rx register. - * @get_dsim_frame_done: get the status that all screen data have been - * transferred to mipi-dsi. - * @clear_dsim_frame_done: clear frame done status. - * @get_fb_frame_done: get frame done status of display controller. - * @trigger: trigger display controller. - * - this one would be used only in case of CPU mode. - * @set_early_blank_mode: set framebuffer blank mode. - * - this callback should be called prior to fb_blank() by a client driver - * only if needing. - * @set_blank_mode: set framebuffer blank mode. - * - this callback should be called after fb_blank() by a client driver - * only if needing. - */ - -struct mipi_dsim_master_ops { - int (*cmd_write)(struct mipi_dsim_device *dsim, unsigned int data_id, - const unsigned char *data0, unsigned int data1); - int (*cmd_read)(struct mipi_dsim_device *dsim, unsigned int data_id, - unsigned int data0, unsigned int req_size, u8 *rx_buf); - int (*get_dsim_frame_done)(struct mipi_dsim_device *dsim); - int (*clear_dsim_frame_done)(struct mipi_dsim_device *dsim); - - int (*get_fb_frame_done)(struct fb_info *info); - void (*trigger)(struct fb_info *info); - int (*set_early_blank_mode)(struct mipi_dsim_device *dsim, int power); - int (*set_blank_mode)(struct mipi_dsim_device *dsim, int power); -}; - -/* - * device structure for mipi-dsi based lcd panel. - * - * @name: name of the device to use with this device, or an - * alias for that name. - * @dev: driver model representation of the device. - * @id: id of device to be registered. - * @bus_id: bus id for identifing connected bus - * and this bus id should be same as id of mipi_dsim_device. - * @irq: irq number for signaling when framebuffer transfer of - * lcd panel module is completed. - * this irq would be used only for MIPI-DSI based CPU mode lcd panel. - * @master: pointer to mipi-dsi master device object. - * @platform_data: lcd panel specific platform data. - */ -struct mipi_dsim_lcd_device { - char *name; - struct device dev; - int id; - int bus_id; - int irq; - int panel_reverse; - - struct mipi_dsim_device *master; - void *platform_data; -}; - -/* - * driver structure for mipi-dsi based lcd panel. - * - * this structure should be registered by lcd panel driver. - * mipi-dsi driver seeks lcd panel registered through name field - * and calls these callback functions in appropriate time. - * - * @name: name of the driver to use with this device, or an - * alias for that name. - * @id: id of driver to be registered. - * this id would be used for finding device object registered. - */ -struct mipi_dsim_lcd_driver { - char *name; - int id; - - void (*power_on)(struct mipi_dsim_lcd_device *dsim_dev, int enable); - void (*set_sequence)(struct mipi_dsim_lcd_device *dsim_dev); - int (*probe)(struct mipi_dsim_lcd_device *dsim_dev); - int (*remove)(struct mipi_dsim_lcd_device *dsim_dev); - void (*shutdown)(struct mipi_dsim_lcd_device *dsim_dev); - int (*suspend)(struct mipi_dsim_lcd_device *dsim_dev); - int (*resume)(struct mipi_dsim_lcd_device *dsim_dev); -}; - -/* - * register mipi_dsim_lcd_device to mipi-dsi master. - */ -int exynos_mipi_dsi_register_lcd_device(struct mipi_dsim_lcd_device - *lcd_dev); -/** - * register mipi_dsim_lcd_driver object defined by lcd panel driver - * to mipi-dsi driver. - */ -int exynos_mipi_dsi_register_lcd_driver(struct mipi_dsim_lcd_driver - *lcd_drv); -#endif /* _EXYNOS_MIPI_DSIM_H */ |