| /* Copyright (c) 2012, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * 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. |
| * |
| */ |
| |
| #include "msm_fb.h" |
| |
| #include <linux/memory.h> |
| #include <linux/kernel.h> |
| #include <linux/sched.h> |
| #include <linux/time.h> |
| #include <linux/init.h> |
| #include <linux/interrupt.h> |
| #include "linux/proc_fs.h" |
| |
| #include <linux/delay.h> |
| |
| #include <mach/hardware.h> |
| #include <linux/io.h> |
| |
| #include <asm/system.h> |
| #include <asm/mach-types.h> |
| |
| #define CMD_NOP_C 0x00 |
| #define CMD_SOFT_RESET_C 0x99 |
| #define CMD_DISPLAY_ON_C 0xAF |
| #define CMD_DISPLAY_OFF_C 0xAE |
| #define CMD_SET_DISPLAY_C 0xCA |
| #define CMD_SET_DISPLAY_TIMING_C 0xA1 |
| #define CMD_SET_DATA_C 0xBC |
| #define CMD_SET_START_ADDRESS_C 0x15 |
| #define CMD_SET_END_ADDRESS_C 0x75 |
| #define CMD_RAM_WRITE_C 0x5C |
| #define CMD_RAM_READ_C 0x5D |
| #define CMD_SET_AREA_SCROLLING_C 0xAA |
| #define CMD_SET_DISPLAY_START_LINE_C 0xAB |
| #define CMD_PARTIAL_DISPLAY_IN_C 0xA8 |
| #define CMD_PARTIAL_DISPLAY_OUT_C 0xA9 |
| #define CMD_SET_DISPLAY_DATA_INTERFACE_C 0x31 |
| #define CMD_SET_DISPLAY_COLOR_MODE_C 0x8B |
| #define CMD_SELECT_MTP_ROM_MODE_C 0x65 |
| #define CMD_MTP_ROM_MODE_IN_C 0x67 |
| #define CMD_MTP_ROM_MODE_OUT_C 0x68 |
| #define CMD_MTP_ROM_OPERATION_IN_C 0x69 |
| #define CMD_MTP_ROM_OPERATION_OUT_C 0x70 |
| #define CMD_GATE_LINE_SCAN_MODE_C 0x6F |
| #define CMD_SET_AC_OPERATION_DRIVE_C 0x8C |
| #define CMD_SET_ELECTRONIC_CONTROL_C 0x20 |
| #define CMD_SET_POSITIVE_CORRECTION_CHARS_C 0x22 |
| #define CMD_SET_NEGATIVE_CORRECTION_CHARS_C 0x25 |
| #define CMD_SET_POWER_CONTROL_C 0x21 |
| #define CMD_SET_PARTIAL_POWER_CONTROL_C 0x23 |
| #define CMD_SET_8_COLOR_CONTROL_C 0x24 |
| #define CMD_SLEEP_IN_C 0x95 |
| #define CMD_SLEEP_OUT_C 0x94 |
| #define CMD_VDD_OFF_C 0x97 |
| #define CMD_VDD_ON_C 0x96 |
| #define CMD_STOP_OSCILLATION_C 0x93 |
| #define CMD_START_OSCILLATION_C 0x92 |
| #define CMD_TEST_SOURCE_C 0xFD |
| #define CMD_TEST_FUSE_C 0xFE |
| #define CMD_TEST_C 0xFF |
| #define CMD_STATUS_READ_C 0xE8 |
| #define CMD_REVISION_READ_C 0xE9 |
| |
| #define PANEL_WIDTH 240 |
| #define PANEL_HEIGHT 320 |
| #define ACTIVE_WIN_WIDTH PANEL_WIDTH |
| #define ACTIVE_WIN_HEIGHT PANEL_HEIGHT |
| |
| #define ACTIVE_WIN_H_START 0 |
| #define ACTIVE_WIN_V_START 0 |
| |
| #define DISP_CMD_OUT(cmd) outpw(DISP_CMD_PORT, (cmd << 1)); |
| #define DISP_DATA_OUT(data) outpw(DISP_DATA_PORT, (data << 1)); |
| #define DISP_DATA_IN() inpw(DISP_DATA_PORT); |
| |
| static void *DISP_CMD_PORT; |
| static void *DISP_DATA_PORT; |
| static boolean disp_initialized; |
| static boolean display_on; |
| static struct msm_panel_common_pdata *ebi2_epson_pdata; |
| |
| static void epson_s1d_disp_init(struct platform_device *pdev); |
| static int epson_s1d_disp_off(struct platform_device *pdev); |
| static int epson_s1d_disp_on(struct platform_device *pdev); |
| static void epson_s1d_disp_set_rect(int x, int y, int xres, int yres); |
| |
| static void epson_s1d_disp_set_rect(int x, int y, int xres, int yres) |
| { |
| int right, bottom; |
| |
| if (!disp_initialized) |
| return; |
| |
| right = x + xres - 1; |
| bottom = y + yres - 1; |
| |
| x += ACTIVE_WIN_H_START; |
| y += ACTIVE_WIN_V_START; |
| right += ACTIVE_WIN_H_START; |
| bottom += ACTIVE_WIN_V_START; |
| |
| if ((PANEL_WIDTH > x) && |
| (PANEL_HEIGHT > y) && |
| (PANEL_WIDTH > right) && |
| (PANEL_HEIGHT > bottom)) { |
| DISP_CMD_OUT(CMD_SET_START_ADDRESS_C); |
| DISP_DATA_OUT((uint8)x); |
| DISP_DATA_OUT((uint8)(y>>8)); |
| DISP_DATA_OUT((uint8)y); |
| |
| DISP_CMD_OUT(CMD_SET_END_ADDRESS_C); |
| DISP_DATA_OUT((uint8)right); |
| DISP_DATA_OUT((uint8)(bottom>>8)); |
| DISP_DATA_OUT((uint8)bottom); |
| DISP_CMD_OUT(CMD_RAM_WRITE_C); |
| } |
| } |
| |
| static void epson_s1d_disp_init(struct platform_device *pdev) |
| { |
| struct msm_fb_data_type *mfd; |
| |
| if (disp_initialized) |
| return; |
| |
| mfd = platform_get_drvdata(pdev); |
| |
| DISP_CMD_PORT = mfd->cmd_port; |
| DISP_DATA_PORT = mfd->data_port; |
| |
| disp_initialized = TRUE; |
| } |
| |
| static int epson_s1d_disp_off(struct platform_device *pdev) |
| { |
| if (!disp_initialized) |
| epson_s1d_disp_init(pdev); |
| |
| if (display_on) { |
| DISP_CMD_OUT(CMD_SOFT_RESET_C); |
| DISP_CMD_OUT(CMD_VDD_OFF_C); |
| display_on = FALSE; |
| } |
| |
| return 0; |
| } |
| |
| static int epson_s1d_disp_on(struct platform_device *pdev) |
| { |
| int i; |
| if (!disp_initialized) |
| epson_s1d_disp_init(pdev); |
| |
| if (!display_on) { |
| /* Enable Vdd regulator */ |
| DISP_CMD_OUT(CMD_VDD_ON_C); |
| msleep(20); |
| |
| /* Soft Reset before configuring display */ |
| DISP_CMD_OUT(CMD_SOFT_RESET_C); |
| msleep(20); |
| |
| /* Set display attributes */ |
| |
| /* GATESCAN */ |
| DISP_CMD_OUT(CMD_GATE_LINE_SCAN_MODE_C); |
| DISP_DATA_OUT(0x0); |
| |
| /* DISSET */ |
| DISP_CMD_OUT(CMD_SET_DISPLAY_C); |
| DISP_DATA_OUT(0x31); |
| DISP_DATA_OUT(0x00); |
| DISP_DATA_OUT((uint8)((PANEL_HEIGHT - 1)>>8)); |
| DISP_DATA_OUT((uint8)(PANEL_HEIGHT - 1)); |
| DISP_DATA_OUT(0x03); |
| DISP_DATA_OUT(0x00); |
| DISP_DATA_OUT(0x08); |
| |
| /* VOLSET */ |
| DISP_CMD_OUT( |
| CMD_SET_ELECTRONIC_CONTROL_C); |
| DISP_DATA_OUT(0x10); |
| DISP_DATA_OUT(0x80); |
| DISP_DATA_OUT(0x11); |
| DISP_DATA_OUT(0x1B); |
| DISP_DATA_OUT(0x02); |
| DISP_DATA_OUT(0x0D); |
| DISP_DATA_OUT(0x00); |
| |
| /* PWRCTL */ |
| DISP_CMD_OUT(CMD_SET_POWER_CONTROL_C); |
| DISP_DATA_OUT(0x01); |
| DISP_DATA_OUT(0x24); |
| DISP_DATA_OUT(0x0F); |
| DISP_DATA_OUT(0xFE); |
| DISP_DATA_OUT(0x33); |
| DISP_DATA_OUT(0x31); |
| DISP_DATA_OUT(0xFF); |
| DISP_DATA_OUT(0x03); |
| DISP_DATA_OUT(0x00); |
| DISP_DATA_OUT(0x77); |
| DISP_DATA_OUT(0x33); |
| DISP_DATA_OUT(0x11); |
| DISP_DATA_OUT(0x44); |
| DISP_DATA_OUT(0x00); |
| |
| /* PPWRCTL */ |
| DISP_CMD_OUT(CMD_SET_PARTIAL_POWER_CONTROL_C); |
| DISP_DATA_OUT(0x33); |
| DISP_DATA_OUT(0xFF); |
| DISP_DATA_OUT(0x03); |
| DISP_DATA_OUT(0x00); |
| DISP_DATA_OUT(0x44); |
| DISP_DATA_OUT(0x00); |
| |
| /* SPLOUT */ |
| DISP_CMD_OUT(CMD_SLEEP_OUT_C); |
| msleep(100); |
| |
| /* DATSET */ |
| DISP_CMD_OUT(CMD_SET_DATA_C); |
| DISP_DATA_OUT(0x00); |
| |
| /* DISTMEMSET */ |
| DISP_CMD_OUT(CMD_SET_DISPLAY_TIMING_C); |
| DISP_DATA_OUT(0x01); |
| DISP_DATA_OUT(0x2E); |
| DISP_DATA_OUT(0x0A); |
| DISP_DATA_OUT(0x2C); |
| DISP_DATA_OUT(0x23); |
| DISP_DATA_OUT(0x2F); |
| DISP_DATA_OUT(0x00); |
| |
| /* GAMSETP */ |
| DISP_CMD_OUT(CMD_SET_POSITIVE_CORRECTION_CHARS_C); |
| DISP_DATA_OUT(0x37); |
| DISP_DATA_OUT(0xFF); |
| DISP_DATA_OUT(0x7F); |
| DISP_DATA_OUT(0x15); |
| DISP_DATA_OUT(0x37); |
| DISP_DATA_OUT(0x05); |
| |
| /* GAMSETN */ |
| DISP_CMD_OUT(CMD_SET_NEGATIVE_CORRECTION_CHARS_C); |
| DISP_DATA_OUT(0x37); |
| DISP_DATA_OUT(0xFF); |
| DISP_DATA_OUT(0x7F); |
| DISP_DATA_OUT(0x15); |
| DISP_DATA_OUT(0x37); |
| DISP_DATA_OUT(0x05); |
| |
| /* ACDRIVE */ |
| DISP_CMD_OUT(CMD_SET_AC_OPERATION_DRIVE_C); |
| DISP_DATA_OUT(0x00); |
| |
| /* TEST */ |
| DISP_CMD_OUT(CMD_TEST_C); |
| DISP_DATA_OUT(0x00); |
| DISP_DATA_OUT(0x00); |
| DISP_DATA_OUT(0x00); |
| DISP_DATA_OUT(0x01); |
| |
| /* COLMOD */ |
| DISP_CMD_OUT(CMD_SET_DISPLAY_COLOR_MODE_C); |
| DISP_DATA_OUT(0x00); |
| |
| /* STADDSET */ |
| DISP_CMD_OUT(CMD_SET_START_ADDRESS_C); |
| DISP_DATA_OUT(0x00); |
| DISP_DATA_OUT(0x00); |
| DISP_DATA_OUT(0x00); |
| |
| /* EDADDSET */ |
| DISP_CMD_OUT(CMD_SET_END_ADDRESS_C); |
| DISP_DATA_OUT(0xEF); |
| DISP_DATA_OUT(0x01); |
| DISP_DATA_OUT(0x3F); |
| |
| /* Set Display Start Line */ |
| DISP_CMD_OUT(CMD_SET_DISPLAY_START_LINE_C); |
| DISP_DATA_OUT(0x00); |
| |
| /* Set Display Data Interface */ |
| DISP_CMD_OUT(CMD_SET_DISPLAY_DATA_INTERFACE_C); |
| DISP_DATA_OUT(0x00); |
| DISP_DATA_OUT(0x04); |
| |
| epson_s1d_disp_set_rect(0, |
| 0, |
| ACTIVE_WIN_WIDTH, |
| ACTIVE_WIN_HEIGHT); |
| |
| for (i = 0; i < (ACTIVE_WIN_WIDTH * ACTIVE_WIN_HEIGHT); i++) |
| outpdw(DISP_DATA_PORT, 0); |
| |
| /* DISON */ |
| DISP_CMD_OUT(CMD_DISPLAY_ON_C); |
| msleep(60); |
| |
| display_on = TRUE; |
| } |
| |
| return 0; |
| } |
| |
| static int epson_s1d_probe(struct platform_device *pdev) |
| { |
| if (pdev->id == 0) { |
| ebi2_epson_pdata = pdev->dev.platform_data; |
| return 0; |
| } |
| |
| msm_fb_add_device(pdev); |
| return 0; |
| } |
| |
| static struct platform_driver this_driver = { |
| .probe = epson_s1d_probe, |
| .driver = { |
| .name = "ebi2_epson_s1d_qvga", |
| }, |
| }; |
| |
| static struct msm_fb_panel_data epson_s1d_panel_data = { |
| .on = epson_s1d_disp_on, |
| .off = epson_s1d_disp_off, |
| .set_rect = epson_s1d_disp_set_rect, |
| }; |
| |
| static struct platform_device this_device = { |
| .name = "ebi2_epson_s1d_qvga", |
| .id = 1, |
| .dev = { |
| .platform_data = &epson_s1d_panel_data, |
| } |
| }; |
| |
| static int __init epson_s1d_init(void) |
| { |
| int ret; |
| struct msm_panel_info *pinfo; |
| |
| ret = platform_driver_register(&this_driver); |
| if (!ret) { |
| pinfo = &epson_s1d_panel_data.panel_info; |
| pinfo->xres = PANEL_WIDTH; |
| pinfo->yres = PANEL_HEIGHT; |
| MSM_FB_SINGLE_MODE_PANEL(pinfo); |
| pinfo->type = EBI2_PANEL; |
| pinfo->pdest = DISPLAY_1; |
| pinfo->wait_cycle = 0x048423E8; |
| pinfo->bpp = 18; |
| pinfo->fb_num = 2; |
| pinfo->lcd.vsync_enable = FALSE; |
| |
| ret = platform_device_register(&this_device); |
| if (ret) |
| platform_driver_unregister(&this_driver); |
| } |
| |
| return ret; |
| } |
| |
| module_init(epson_s1d_init); |
