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path: root/drivers/staging/msm/lcdc.c
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Diffstat (limited to 'drivers/staging/msm/lcdc.c')
-rw-r--r--drivers/staging/msm/lcdc.c239
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 735280ab72c..00000000000
--- 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 IS_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 IS_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);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 13:16:27 +0000