diff options
Diffstat (limited to 'drivers/staging/msm/ebi2_l2f.c')
| -rw-r--r-- | drivers/staging/msm/ebi2_l2f.c | 569 |
1 files changed, 569 insertions, 0 deletions
diff --git a/drivers/staging/msm/ebi2_l2f.c b/drivers/staging/msm/ebi2_l2f.c new file mode 100644 index 00000000000..eea891d8f0f --- /dev/null +++ b/drivers/staging/msm/ebi2_l2f.c @@ -0,0 +1,569 @@ +/* Copyright (c) 2008-2009, Code Aurora Forum. 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. + * + * 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. + */ + +#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> + +/* The following are for MSM5100 on Gator +*/ +#ifdef FEATURE_PM1000 +#include "pm1000.h" +#endif /* FEATURE_PM1000 */ +/* The following are for MSM6050 on Bambi +*/ +#ifdef FEATURE_PMIC_LCDKBD_LED_DRIVER +#include "pm.h" +#endif /* FEATURE_PMIC_LCDKBD_LED_DRIVER */ + +#ifdef DISP_DEVICE_18BPP +#undef DISP_DEVICE_18BPP +#define DISP_DEVICE_16BPP +#endif + +#define QCIF_WIDTH 176 +#define QCIF_HEIGHT 220 + +static void *DISP_CMD_PORT; +static void *DISP_DATA_PORT; + +#define DISP_CMD_DISON 0xaf +#define DISP_CMD_DISOFF 0xae +#define DISP_CMD_DISNOR 0xa6 +#define DISP_CMD_DISINV 0xa7 +#define DISP_CMD_DISCTL 0xca +#define DISP_CMD_GCP64 0xcb +#define DISP_CMD_GCP16 0xcc +#define DISP_CMD_GSSET 0xcd +#define DISP_GS_2 0x02 +#define DISP_GS_16 0x01 +#define DISP_GS_64 0x00 +#define DISP_CMD_SLPIN 0x95 +#define DISP_CMD_SLPOUT 0x94 +#define DISP_CMD_SD_PSET 0x75 +#define DISP_CMD_MD_PSET 0x76 +#define DISP_CMD_SD_CSET 0x15 +#define DISP_CMD_MD_CSET 0x16 +#define DISP_CMD_DATCTL 0xbc +#define DISP_DATCTL_666 0x08 +#define DISP_DATCTL_565 0x28 +#define DISP_DATCTL_444 0x38 +#define DISP_CMD_RAMWR 0x5c +#define DISP_CMD_RAMRD 0x5d +#define DISP_CMD_PTLIN 0xa8 +#define DISP_CMD_PTLOUT 0xa9 +#define DISP_CMD_ASCSET 0xaa +#define DISP_CMD_SCSTART 0xab +#define DISP_CMD_VOLCTL 0xc6 +#define DISP_VOLCTL_TONE 0x80 +#define DISP_CMD_NOp 0x25 +#define DISP_CMD_OSSEL 0xd0 +#define DISP_CMD_3500KSET 0xd1 +#define DISP_CMD_3500KEND 0xd2 +#define DISP_CMD_14MSET 0xd3 +#define DISP_CMD_14MEND 0xd4 + +#define DISP_CMD_OUT(cmd) outpw(DISP_CMD_PORT, cmd); + +#define DISP_DATA_OUT(data) outpw(DISP_DATA_PORT, data); + +#define DISP_DATA_IN() inpw(DISP_DATA_PORT); + +/* Epson device column number starts at 2 +*/ +#define DISP_SET_RECT(ulhc_row, lrhc_row, ulhc_col, lrhc_col) \ + DISP_CMD_OUT(DISP_CMD_SD_PSET) \ + DISP_DATA_OUT((ulhc_row) & 0xFF) \ + DISP_DATA_OUT((ulhc_row) >> 8) \ + DISP_DATA_OUT((lrhc_row) & 0xFF) \ + DISP_DATA_OUT((lrhc_row) >> 8) \ + DISP_CMD_OUT(DISP_CMD_SD_CSET) \ + DISP_DATA_OUT(((ulhc_col)+2) & 0xFF) \ + DISP_DATA_OUT(((ulhc_col)+2) >> 8) \ + DISP_DATA_OUT(((lrhc_col)+2) & 0xFF) \ + DISP_DATA_OUT(((lrhc_col)+2) >> 8) + +#define DISP_MIN_CONTRAST 0 +#define DISP_MAX_CONTRAST 127 +#define DISP_DEFAULT_CONTRAST 80 + +#define DISP_MIN_BACKLIGHT 0 +#define DISP_MAX_BACKLIGHT 15 +#define DISP_DEFAULT_BACKLIGHT 2 + +#define WAIT_SEC(sec) mdelay((sec)/1000) + +static word disp_area_start_row; +static word disp_area_end_row; +static byte disp_contrast = DISP_DEFAULT_CONTRAST; +static boolean disp_powered_up; +static boolean disp_initialized = FALSE; +/* For some reason the contrast set at init time is not good. Need to do + * it again + */ +static boolean display_on = FALSE; +static void epsonQcif_disp_init(struct platform_device *pdev); +static void epsonQcif_disp_set_contrast(word contrast); +static void epsonQcif_disp_set_display_area(word start_row, word end_row); +static int epsonQcif_disp_off(struct platform_device *pdev); +static int epsonQcif_disp_on(struct platform_device *pdev); +static void epsonQcif_disp_set_rect(int x, int y, int xres, int yres); + +volatile word databack; +static void epsonQcif_disp_init(struct platform_device *pdev) +{ + struct msm_fb_data_type *mfd; + + int i; + + if (disp_initialized) + return; + + mfd = platform_get_drvdata(pdev); + + DISP_CMD_PORT = mfd->cmd_port; + DISP_DATA_PORT = mfd->data_port; + + /* Sleep in */ + DISP_CMD_OUT(DISP_CMD_SLPIN); + + /* Display off */ + DISP_CMD_OUT(DISP_CMD_DISOFF); + + /* Display normal */ + DISP_CMD_OUT(DISP_CMD_DISNOR); + + /* Set data mode */ + DISP_CMD_OUT(DISP_CMD_DATCTL); + DISP_DATA_OUT(DISP_DATCTL_565); + + /* Set display timing */ + DISP_CMD_OUT(DISP_CMD_DISCTL); + DISP_DATA_OUT(0x1c); /* p1 */ + DISP_DATA_OUT(0x02); /* p1 */ + DISP_DATA_OUT(0x82); /* p2 */ + DISP_DATA_OUT(0x00); /* p3 */ + DISP_DATA_OUT(0x00); /* p4 */ + DISP_DATA_OUT(0xe0); /* p5 */ + DISP_DATA_OUT(0x00); /* p5 */ + DISP_DATA_OUT(0xdc); /* p6 */ + DISP_DATA_OUT(0x00); /* p6 */ + DISP_DATA_OUT(0x02); /* p7 */ + DISP_DATA_OUT(0x00); /* p8 */ + + /* Set 64 gray scale level */ + DISP_CMD_OUT(DISP_CMD_GCP64); + DISP_DATA_OUT(0x08); /* p01 */ + DISP_DATA_OUT(0x00); + DISP_DATA_OUT(0x2a); /* p02 */ + DISP_DATA_OUT(0x00); + DISP_DATA_OUT(0x4e); /* p03 */ + DISP_DATA_OUT(0x00); + DISP_DATA_OUT(0x6b); /* p04 */ + DISP_DATA_OUT(0x00); + DISP_DATA_OUT(0x88); /* p05 */ + DISP_DATA_OUT(0x00); + DISP_DATA_OUT(0xa3); /* p06 */ + DISP_DATA_OUT(0x00); + DISP_DATA_OUT(0xba); /* p07 */ + DISP_DATA_OUT(0x00); + DISP_DATA_OUT(0xd1); /* p08 */ + DISP_DATA_OUT(0x00); + DISP_DATA_OUT(0xe5); /* p09 */ + DISP_DATA_OUT(0x00); + DISP_DATA_OUT(0xf3); /* p10 */ + DISP_DATA_OUT(0x00); + DISP_DATA_OUT(0x03); /* p11 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x13); /* p12 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x22); /* p13 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x2f); /* p14 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x3b); /* p15 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x46); /* p16 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x51); /* p17 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x5b); /* p18 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x64); /* p19 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x6c); /* p20 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x74); /* p21 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x7c); /* p22 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x83); /* p23 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x8a); /* p24 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x91); /* p25 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x98); /* p26 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x9f); /* p27 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xa6); /* p28 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xac); /* p29 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xb2); /* p30 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xb7); /* p31 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xbc); /* p32 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xc1); /* p33 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xc6); /* p34 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xcb); /* p35 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xd0); /* p36 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xd4); /* p37 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xd8); /* p38 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xdc); /* p39 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xe0); /* p40 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xe4); /* p41 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xe8); /* p42 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xec); /* p43 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xf0); /* p44 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xf4); /* p45 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xf8); /* p46 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xfb); /* p47 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xfe); /* p48 */ + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0x01); /* p49 */ + DISP_DATA_OUT(0x02); + DISP_DATA_OUT(0x03); /* p50 */ + DISP_DATA_OUT(0x02); + DISP_DATA_OUT(0x05); /* p51 */ + DISP_DATA_OUT(0x02); + DISP_DATA_OUT(0x07); /* p52 */ + DISP_DATA_OUT(0x02); + DISP_DATA_OUT(0x09); /* p53 */ + DISP_DATA_OUT(0x02); + DISP_DATA_OUT(0x0b); /* p54 */ + DISP_DATA_OUT(0x02); + DISP_DATA_OUT(0x0d); /* p55 */ + DISP_DATA_OUT(0x02); + DISP_DATA_OUT(0x0f); /* p56 */ + DISP_DATA_OUT(0x02); + DISP_DATA_OUT(0x11); /* p57 */ + DISP_DATA_OUT(0x02); + DISP_DATA_OUT(0x13); /* p58 */ + DISP_DATA_OUT(0x02); + DISP_DATA_OUT(0x15); /* p59 */ + DISP_DATA_OUT(0x02); + DISP_DATA_OUT(0x17); /* p60 */ + DISP_DATA_OUT(0x02); + DISP_DATA_OUT(0x19); /* p61 */ + DISP_DATA_OUT(0x02); + DISP_DATA_OUT(0x1b); /* p62 */ + DISP_DATA_OUT(0x02); + DISP_DATA_OUT(0x1c); /* p63 */ + DISP_DATA_OUT(0x02); + + /* Set 16 gray scale level */ + DISP_CMD_OUT(DISP_CMD_GCP16); + DISP_DATA_OUT(0x1a); /* p01 */ + DISP_DATA_OUT(0x32); /* p02 */ + DISP_DATA_OUT(0x42); /* p03 */ + DISP_DATA_OUT(0x4c); /* p04 */ + DISP_DATA_OUT(0x58); /* p05 */ + DISP_DATA_OUT(0x5f); /* p06 */ + DISP_DATA_OUT(0x66); /* p07 */ + DISP_DATA_OUT(0x6b); /* p08 */ + DISP_DATA_OUT(0x70); /* p09 */ + DISP_DATA_OUT(0x74); /* p10 */ + DISP_DATA_OUT(0x78); /* p11 */ + DISP_DATA_OUT(0x7b); /* p12 */ + DISP_DATA_OUT(0x7e); /* p13 */ + DISP_DATA_OUT(0x80); /* p14 */ + DISP_DATA_OUT(0x82); /* p15 */ + + /* Set DSP column */ + DISP_CMD_OUT(DISP_CMD_MD_CSET); + DISP_DATA_OUT(0xff); + DISP_DATA_OUT(0x03); + DISP_DATA_OUT(0xff); + DISP_DATA_OUT(0x03); + + /* Set DSP page */ + DISP_CMD_OUT(DISP_CMD_MD_PSET); + DISP_DATA_OUT(0xff); + DISP_DATA_OUT(0x01); + DISP_DATA_OUT(0xff); + DISP_DATA_OUT(0x01); + + /* Set ARM column */ + DISP_CMD_OUT(DISP_CMD_SD_CSET); + DISP_DATA_OUT(0x02); + DISP_DATA_OUT(0x00); + DISP_DATA_OUT((QCIF_WIDTH + 1) & 0xFF); + DISP_DATA_OUT((QCIF_WIDTH + 1) >> 8); + + /* Set ARM page */ + DISP_CMD_OUT(DISP_CMD_SD_PSET); + DISP_DATA_OUT(0x00); + DISP_DATA_OUT(0x00); + DISP_DATA_OUT((QCIF_HEIGHT - 1) & 0xFF); + DISP_DATA_OUT((QCIF_HEIGHT - 1) >> 8); + + /* Set 64 gray scales */ + DISP_CMD_OUT(DISP_CMD_GSSET); + DISP_DATA_OUT(DISP_GS_64); + + DISP_CMD_OUT(DISP_CMD_OSSEL); + DISP_DATA_OUT(0); + + /* Sleep out */ + DISP_CMD_OUT(DISP_CMD_SLPOUT); + + WAIT_SEC(40000); + + /* Initialize power IC */ + DISP_CMD_OUT(DISP_CMD_VOLCTL); + DISP_DATA_OUT(DISP_VOLCTL_TONE); + + WAIT_SEC(40000); + + /* Set electronic volume, d'xx */ + DISP_CMD_OUT(DISP_CMD_VOLCTL); + DISP_DATA_OUT(DISP_DEFAULT_CONTRAST); /* value from 0 to 127 */ + + /* Initialize display data */ + DISP_SET_RECT(0, (QCIF_HEIGHT - 1), 0, (QCIF_WIDTH - 1)); + DISP_CMD_OUT(DISP_CMD_RAMWR); + for (i = 0; i < QCIF_HEIGHT * QCIF_WIDTH; i++) + DISP_DATA_OUT(0xffff); + + DISP_CMD_OUT(DISP_CMD_RAMRD); + databack = DISP_DATA_IN(); + databack = DISP_DATA_IN(); + databack = DISP_DATA_IN(); + databack = DISP_DATA_IN(); + + WAIT_SEC(80000); + + DISP_CMD_OUT(DISP_CMD_DISON); + + disp_area_start_row = 0; + disp_area_end_row = QCIF_HEIGHT - 1; + disp_powered_up = TRUE; + disp_initialized = TRUE; + epsonQcif_disp_set_display_area(0, QCIF_HEIGHT - 1); + display_on = TRUE; +} + +static void epsonQcif_disp_set_rect(int x, int y, int xres, int yres) +{ + if (!disp_initialized) + return; + + DISP_SET_RECT(y, y + yres - 1, x, x + xres - 1); + DISP_CMD_OUT(DISP_CMD_RAMWR); +} + +static void epsonQcif_disp_set_display_area(word start_row, word end_row) +{ + if (!disp_initialized) + return; + + if ((start_row == disp_area_start_row) + && (end_row == disp_area_end_row)) + return; + disp_area_start_row = start_row; + disp_area_end_row = end_row; + + /* Range checking + */ + if (end_row >= QCIF_HEIGHT) + end_row = QCIF_HEIGHT - 1; + if (start_row > end_row) + start_row = end_row; + + /* When display is not the full screen, gray scale is set to + ** 2; otherwise it is set to 64. + */ + if ((start_row == 0) && (end_row == (QCIF_HEIGHT - 1))) { + /* The whole screen */ + DISP_CMD_OUT(DISP_CMD_PTLOUT); + WAIT_SEC(10000); + DISP_CMD_OUT(DISP_CMD_DISOFF); + WAIT_SEC(100000); + DISP_CMD_OUT(DISP_CMD_GSSET); + DISP_DATA_OUT(DISP_GS_64); + WAIT_SEC(100000); + DISP_CMD_OUT(DISP_CMD_DISON); + } else { + /* partial screen */ + DISP_CMD_OUT(DISP_CMD_PTLIN); + DISP_DATA_OUT(start_row); + DISP_DATA_OUT(start_row >> 8); + DISP_DATA_OUT(end_row); + DISP_DATA_OUT(end_row >> 8); + DISP_CMD_OUT(DISP_CMD_GSSET); + DISP_DATA_OUT(DISP_GS_2); + } +} + +static int epsonQcif_disp_off(struct platform_device *pdev) +{ + if (!disp_initialized) + epsonQcif_disp_init(pdev); + + if (display_on) { + DISP_CMD_OUT(DISP_CMD_DISOFF); + DISP_CMD_OUT(DISP_CMD_SLPIN); + display_on = FALSE; + } + + return 0; +} + +static int epsonQcif_disp_on(struct platform_device *pdev) +{ + if (!disp_initialized) + epsonQcif_disp_init(pdev); + + if (!display_on) { + DISP_CMD_OUT(DISP_CMD_SLPOUT); + WAIT_SEC(40000); + DISP_CMD_OUT(DISP_CMD_DISON); + epsonQcif_disp_set_contrast(disp_contrast); + display_on = TRUE; + } + + return 0; +} + +static void epsonQcif_disp_set_contrast(word contrast) +{ + if (!disp_initialized) + return; + + /* Initialize power IC, d'24 */ + DISP_CMD_OUT(DISP_CMD_VOLCTL); + DISP_DATA_OUT(DISP_VOLCTL_TONE); + + WAIT_SEC(40000); + + /* Set electronic volume, d'xx */ + DISP_CMD_OUT(DISP_CMD_VOLCTL); + if (contrast > 127) + contrast = 127; + DISP_DATA_OUT(contrast); /* value from 0 to 127 */ + disp_contrast = (byte) contrast; +} /* End disp_set_contrast */ + +static void epsonQcif_disp_clear_screen_area( + word start_row, word end_row, word start_column, word end_column) { + int32 i; + + /* Clear the display screen */ + DISP_SET_RECT(start_row, end_row, start_column, end_column); + DISP_CMD_OUT(DISP_CMD_RAMWR); + i = (end_row - start_row + 1) * (end_column - start_column + 1); + for (; i > 0; i--) + DISP_DATA_OUT(0xffff); +} + +static int __init epsonQcif_probe(struct platform_device *pdev) +{ + msm_fb_add_device(pdev); + + return 0; +} + +static struct platform_driver this_driver = { + .probe = epsonQcif_probe, + .driver = { + .name = "ebi2_epson_qcif", + }, +}; + +static struct msm_fb_panel_data epsonQcif_panel_data = { + .on = epsonQcif_disp_on, + .off = epsonQcif_disp_off, + .set_rect = epsonQcif_disp_set_rect, +}; + +static struct platform_device this_device = { + .name = "ebi2_epson_qcif", + .id = 0, + .dev = { + .platform_data = &epsonQcif_panel_data, + } +}; + +static int __init epsonQcif_init(void) +{ + int ret; + struct msm_panel_info *pinfo; + + ret = platform_driver_register(&this_driver); + if (!ret) { + pinfo = &epsonQcif_panel_data.panel_info; + pinfo->xres = QCIF_WIDTH; + pinfo->yres = QCIF_HEIGHT; + pinfo->type = EBI2_PANEL; + pinfo->pdest = DISPLAY_2; + pinfo->wait_cycle = 0x808000; + pinfo->bpp = 16; + 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(epsonQcif_init); |