diff options
Diffstat (limited to 'drivers/staging/msm/ebi2_lcd.c')
| -rw-r--r-- | drivers/staging/msm/ebi2_lcd.c | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/drivers/staging/msm/ebi2_lcd.c b/drivers/staging/msm/ebi2_lcd.c deleted file mode 100644 index b41e1230ceca..000000000000 --- a/drivers/staging/msm/ebi2_lcd.c +++ /dev/null @@ -1,250 +0,0 @@ -/* 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 <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/mm.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/device.h> -#include <linux/dma-mapping.h> -#include <linux/uaccess.h> -#include <linux/workqueue.h> -#include <linux/string.h> -#include <linux/version.h> -#include <linux/proc_fs.h> -#include <linux/vmalloc.h> -#include <linux/debugfs.h> - -#include "msm_fb.h" - -static int ebi2_lcd_probe(struct platform_device *pdev); -static int ebi2_lcd_remove(struct platform_device *pdev); - -static struct platform_driver ebi2_lcd_driver = { - .probe = ebi2_lcd_probe, - .remove = ebi2_lcd_remove, - .suspend = NULL, - .suspend_late = NULL, - .resume_early = NULL, - .resume = NULL, - .shutdown = NULL, - .driver = { - .name = "ebi2_lcd", - }, -}; - -static void *ebi2_base; -static void *ebi2_lcd_cfg0; -static void *ebi2_lcd_cfg1; -static void __iomem *lcd01_base; -static void __iomem *lcd02_base; -static int ebi2_lcd_resource_initialized; - -static struct platform_device *pdev_list[MSM_FB_MAX_DEV_LIST]; -static int pdev_list_cnt; - -static int ebi2_lcd_probe(struct platform_device *pdev) -{ - struct msm_fb_data_type *mfd; - struct platform_device *mdp_dev = NULL; - struct msm_fb_panel_data *pdata = NULL; - int rc, i; - - if (pdev->id == 0) { - for (i = 0; i < pdev->num_resources; i++) { - if (!strncmp(pdev->resource[i].name, "base", 4)) { - ebi2_base = ioremap(pdev->resource[i].start, - pdev->resource[i].end - - pdev->resource[i].start + 1); - if (!ebi2_base) { - printk(KERN_ERR - "ebi2_base ioremap failed!\n"); - return -ENOMEM; - } - ebi2_lcd_cfg0 = (void *)(ebi2_base + 0x20); - ebi2_lcd_cfg1 = (void *)(ebi2_base + 0x24); - } else if (!strncmp(pdev->resource[i].name, - "lcd01", 5)) { - lcd01_base = ioremap(pdev->resource[i].start, - pdev->resource[i].end - - pdev->resource[i].start + 1); - if (!lcd01_base) { - printk(KERN_ERR - "lcd01_base ioremap failed!\n"); - return -ENOMEM; - } - } else if (!strncmp(pdev->resource[i].name, - "lcd02", 5)) { - lcd02_base = ioremap(pdev->resource[i].start, - pdev->resource[i].end - - pdev->resource[i].start + 1); - if (!lcd02_base) { - printk(KERN_ERR - "lcd02_base ioremap failed!\n"); - return -ENOMEM; - } - } - } - ebi2_lcd_resource_initialized = 1; - return 0; - } - - if (!ebi2_lcd_resource_initialized) - return -EPERM; - - mfd = platform_get_drvdata(pdev); - - if (!mfd) - return -ENODEV; - - if (mfd->key != MFD_KEY) - return -EINVAL; - - if (pdev_list_cnt >= MSM_FB_MAX_DEV_LIST) - return -ENOMEM; - - if (ebi2_base == NULL) - return -ENOMEM; - - mdp_dev = platform_device_alloc("mdp", pdev->id); - if (!mdp_dev) - return -ENOMEM; - - /* link to the latest pdev */ - mfd->pdev = mdp_dev; - mfd->dest = DISPLAY_LCD; - - /* add panel data */ - if (platform_device_add_data - (mdp_dev, pdev->dev.platform_data, - sizeof(struct msm_fb_panel_data))) { - printk(KERN_ERR "ebi2_lcd_probe: platform_device_add_data failed!\n"); - platform_device_put(mdp_dev); - return -ENOMEM; - } - - /* data chain */ - pdata = mdp_dev->dev.platform_data; - pdata->on = panel_next_on; - pdata->off = panel_next_off; - pdata->next = pdev; - - /* get/set panel specific fb info */ - mfd->panel_info = pdata->panel_info; - - if (mfd->panel_info.bpp == 24) - mfd->fb_imgType = MDP_RGB_888; - else - mfd->fb_imgType = MDP_RGB_565; - - /* config msm ebi2 lcd register */ - if (mfd->panel_info.pdest == DISPLAY_1) { - outp32(ebi2_base, - (inp32(ebi2_base) & (~(EBI2_PRIM_LCD_CLR))) | - EBI2_PRIM_LCD_SEL); - /* - * current design has one set of cfg0/1 register to control - * both EBI2 channels. so, we're using the PRIM channel to - * configure both. - */ - outp32(ebi2_lcd_cfg0, mfd->panel_info.wait_cycle); - if (mfd->panel_info.bpp == 18) - outp32(ebi2_lcd_cfg1, 0x01000000); - else - outp32(ebi2_lcd_cfg1, 0x0); - } else { -#ifdef DEBUG_EBI2_LCD - /* - * confliting with QCOM SURF FPGA CS. - * OEM should enable below for their CS mapping - */ - outp32(ebi2_base, (inp32(ebi2_base)&(~(EBI2_SECD_LCD_CLR))) - |EBI2_SECD_LCD_SEL); -#endif - } - - /* - * map cs (chip select) address - */ - if (mfd->panel_info.pdest == DISPLAY_1) { - mfd->cmd_port = lcd01_base; - mfd->data_port = - (void *)((uint32) mfd->cmd_port + EBI2_PRIM_LCD_RS_PIN); - mfd->data_port_phys = - (void *)(LCD_PRIM_BASE_PHYS + EBI2_PRIM_LCD_RS_PIN); - } else { - mfd->cmd_port = lcd01_base; - mfd->data_port = - (void *)((uint32) mfd->cmd_port + EBI2_SECD_LCD_RS_PIN); - mfd->data_port_phys = - (void *)(LCD_SECD_BASE_PHYS + EBI2_SECD_LCD_RS_PIN); - } - - /* - * set driver data - */ - platform_set_drvdata(mdp_dev, mfd); - - /* - * register in mdp driver - */ - rc = platform_device_add(mdp_dev); - if (rc) { - goto ebi2_lcd_probe_err; - } - - pdev_list[pdev_list_cnt++] = pdev; - return 0; - - ebi2_lcd_probe_err: - platform_device_put(mdp_dev); - return rc; -} - -static int ebi2_lcd_remove(struct platform_device *pdev) -{ - struct msm_fb_data_type *mfd; - - mfd = (struct msm_fb_data_type *)platform_get_drvdata(pdev); - - if (!mfd) - return 0; - - if (mfd->key != MFD_KEY) - return 0; - - iounmap(mfd->cmd_port); - - return 0; -} - -static int ebi2_lcd_register_driver(void) -{ - return platform_driver_register(&ebi2_lcd_driver); -} - -static int __init ebi2_lcd_driver_init(void) -{ - return ebi2_lcd_register_driver(); -} - -module_init(ebi2_lcd_driver_init);
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