diff options
Diffstat (limited to 'drivers/staging/msm/lcdc.c')
-rw-r--r-- | drivers/staging/msm/lcdc.c | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/drivers/staging/msm/lcdc.c b/drivers/staging/msm/lcdc.c deleted file mode 100644 index 8183394aef76..000000000000 --- a/drivers/staging/msm/lcdc.c +++ /dev/null @@ -1,239 +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/kernel.h> -#include <linux/sched.h> -#include <linux/time.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/spinlock.h> -#include <linux/delay.h> -#include <mach/hardware.h> -#include <linux/io.h> - -#include <asm/system.h> -#include <asm/mach-types.h> -#include <linux/semaphore.h> -#include <linux/uaccess.h> -#include <linux/clk.h> -#include <linux/platform_device.h> -#include <linux/pm_qos_params.h> - -#include "msm_fb.h" - -static int lcdc_probe(struct platform_device *pdev); -static int lcdc_remove(struct platform_device *pdev); - -static int lcdc_off(struct platform_device *pdev); -static int lcdc_on(struct platform_device *pdev); - -static struct platform_device *pdev_list[MSM_FB_MAX_DEV_LIST]; -static int pdev_list_cnt; - -static struct clk *mdp_lcdc_pclk_clk; -static struct clk *mdp_lcdc_pad_pclk_clk; - -int mdp_lcdc_pclk_clk_rate; -int mdp_lcdc_pad_pclk_clk_rate; - -static struct platform_driver lcdc_driver = { - .probe = lcdc_probe, - .remove = lcdc_remove, - .suspend = NULL, - .resume = NULL, - .shutdown = NULL, - .driver = { - .name = "lcdc", - }, -}; - -static struct lcdc_platform_data *lcdc_pdata; - -static int lcdc_off(struct platform_device *pdev) -{ - int ret = 0; - - ret = panel_next_off(pdev); - - clk_disable(mdp_lcdc_pclk_clk); - clk_disable(mdp_lcdc_pad_pclk_clk); - - if (lcdc_pdata && lcdc_pdata->lcdc_power_save) - lcdc_pdata->lcdc_power_save(0); - - if (lcdc_pdata && lcdc_pdata->lcdc_gpio_config) - ret = lcdc_pdata->lcdc_gpio_config(0); - -// pm_qos_update_requirement(PM_QOS_SYSTEM_BUS_FREQ , "lcdc", -// PM_QOS_DEFAULT_VALUE); - - return ret; -} - -static int lcdc_on(struct platform_device *pdev) -{ - int ret = 0; - struct msm_fb_data_type *mfd; - unsigned long panel_pixclock_freq , pm_qos_freq; - - mfd = platform_get_drvdata(pdev); - panel_pixclock_freq = mfd->fbi->var.pixclock; - - if (panel_pixclock_freq > 58000000) - /* pm_qos_freq should be in Khz */ - pm_qos_freq = panel_pixclock_freq / 1000 ; - else - pm_qos_freq = 58000; - -// pm_qos_update_requirement(PM_QOS_SYSTEM_BUS_FREQ , "lcdc", -// pm_qos_freq); - mfd = platform_get_drvdata(pdev); - - clk_enable(mdp_lcdc_pclk_clk); - clk_enable(mdp_lcdc_pad_pclk_clk); - - if (lcdc_pdata && lcdc_pdata->lcdc_power_save) - lcdc_pdata->lcdc_power_save(1); - if (lcdc_pdata && lcdc_pdata->lcdc_gpio_config) - ret = lcdc_pdata->lcdc_gpio_config(1); - - clk_set_rate(mdp_lcdc_pclk_clk, mfd->fbi->var.pixclock); - clk_set_rate(mdp_lcdc_pad_pclk_clk, mfd->fbi->var.pixclock); - mdp_lcdc_pclk_clk_rate = clk_get_rate(mdp_lcdc_pclk_clk); - mdp_lcdc_pad_pclk_clk_rate = clk_get_rate(mdp_lcdc_pad_pclk_clk); - - ret = panel_next_on(pdev); - return ret; -} - -static int lcdc_probe(struct platform_device *pdev) -{ - struct msm_fb_data_type *mfd; - struct fb_info *fbi; - struct platform_device *mdp_dev = NULL; - struct msm_fb_panel_data *pdata = NULL; - int rc; - - if (pdev->id == 0) { - lcdc_pdata = pdev->dev.platform_data; - return 0; - } - - 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; - - 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_LCDC; - - /* - * alloc panel device data - */ - if (platform_device_add_data - (mdp_dev, pdev->dev.platform_data, - sizeof(struct msm_fb_panel_data))) { - printk(KERN_ERR "lcdc_probe: platform_device_add_data failed!\n"); - platform_device_put(mdp_dev); - return -ENOMEM; - } - /* - * data chain - */ - pdata = (struct msm_fb_panel_data *)mdp_dev->dev.platform_data; - pdata->on = lcdc_on; - pdata->off = lcdc_off; - pdata->next = pdev; - - /* - * get/set panel specific fb info - */ - mfd->panel_info = pdata->panel_info; - mfd->fb_imgType = MDP_RGB_565; - - fbi = mfd->fbi; - fbi->var.pixclock = mfd->panel_info.clk_rate; - fbi->var.left_margin = mfd->panel_info.lcdc.h_back_porch; - fbi->var.right_margin = mfd->panel_info.lcdc.h_front_porch; - fbi->var.upper_margin = mfd->panel_info.lcdc.v_back_porch; - fbi->var.lower_margin = mfd->panel_info.lcdc.v_front_porch; - fbi->var.hsync_len = mfd->panel_info.lcdc.h_pulse_width; - fbi->var.vsync_len = mfd->panel_info.lcdc.v_pulse_width; - - /* - * set driver data - */ - platform_set_drvdata(mdp_dev, mfd); - - /* - * register in mdp driver - */ - rc = platform_device_add(mdp_dev); - if (rc) - goto lcdc_probe_err; - - pdev_list[pdev_list_cnt++] = pdev; - return 0; - -lcdc_probe_err: - platform_device_put(mdp_dev); - return rc; -} - -static int lcdc_remove(struct platform_device *pdev) -{ -// pm_qos_remove_requirement(PM_QOS_SYSTEM_BUS_FREQ , "lcdc"); - return 0; -} - -static int lcdc_register_driver(void) -{ - return platform_driver_register(&lcdc_driver); -} - -static int __init lcdc_driver_init(void) -{ - mdp_lcdc_pclk_clk = clk_get(NULL, "mdp_lcdc_pclk_clk"); - if (IS_ERR(mdp_lcdc_pclk_clk)) { - printk(KERN_ERR "error: can't get mdp_lcdc_pclk_clk!\n"); - return PTR_ERR(mdp_lcdc_pclk_clk); - } - mdp_lcdc_pad_pclk_clk = clk_get(NULL, "mdp_lcdc_pad_pclk_clk"); - if (IS_ERR(mdp_lcdc_pad_pclk_clk)) { - printk(KERN_ERR "error: can't get mdp_lcdc_pad_pclk_clk!\n"); - return PTR_ERR(mdp_lcdc_pad_pclk_clk); - } -// pm_qos_add_requirement(PM_QOS_SYSTEM_BUS_FREQ , "lcdc", -// PM_QOS_DEFAULT_VALUE); - return lcdc_register_driver(); -} - -module_init(lcdc_driver_init); |