/* 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define TVENC_C #include "tvenc.h" #include "msm_fb.h" static int tvenc_probe(struct platform_device *pdev); static int tvenc_remove(struct platform_device *pdev); static int tvenc_off(struct platform_device *pdev); static int tvenc_on(struct platform_device *pdev); static struct platform_device *pdev_list[MSM_FB_MAX_DEV_LIST]; static int pdev_list_cnt; static struct clk *tvenc_clk; static struct clk *tvdac_clk; static struct platform_driver tvenc_driver = { .probe = tvenc_probe, .remove = tvenc_remove, .suspend = NULL, // .suspend_late = NULL, // .resume_early = NULL, .resume = NULL, .shutdown = NULL, .driver = { .name = "tvenc", }, }; static struct tvenc_platform_data *tvenc_pdata; static int tvenc_off(struct platform_device *pdev) { int ret = 0; ret = panel_next_off(pdev); clk_disable(tvenc_clk); clk_disable(tvdac_clk); if (tvenc_pdata && tvenc_pdata->pm_vid_en) ret = tvenc_pdata->pm_vid_en(0); //pm_qos_update_requirement(PM_QOS_SYSTEM_BUS_FREQ , "tvenc", // PM_QOS_DEFAULT_VALUE); if (ret) printk(KERN_ERR "%s: pm_vid_en(off) failed! %d\n", __func__, ret); return ret; } static int tvenc_on(struct platform_device *pdev) { int ret = 0; // pm_qos_update_requirement(PM_QOS_SYSTEM_BUS_FREQ , "tvenc", // 128000); if (tvenc_pdata && tvenc_pdata->pm_vid_en) ret = tvenc_pdata->pm_vid_en(1); if (ret) { printk(KERN_ERR "%s: pm_vid_en(on) failed! %d\n", __func__, ret); return ret; } clk_enable(tvenc_clk); clk_enable(tvdac_clk); ret = panel_next_on(pdev); return ret; } void tvenc_gen_test_pattern(struct msm_fb_data_type *mfd) { uint32 reg = 0, i; reg = readl(MSM_TV_ENC_CTL); reg |= TVENC_CTL_TEST_PATT_EN; for (i = 0; i < 3; i++) { TV_OUT(TV_ENC_CTL, 0); /* disable TV encoder */ switch (i) { /* * TV Encoder - Color Bar Test Pattern */ case 0: reg |= TVENC_CTL_TPG_CLRBAR; break; /* * TV Encoder - Red Frame Test Pattern */ case 1: reg |= TVENC_CTL_TPG_REDCLR; break; /* * TV Encoder - Modulated Ramp Test Pattern */ default: reg |= TVENC_CTL_TPG_MODRAMP; break; } TV_OUT(TV_ENC_CTL, reg); mdelay(5000); switch (i) { /* * TV Encoder - Color Bar Test Pattern */ case 0: reg &= ~TVENC_CTL_TPG_CLRBAR; break; /* * TV Encoder - Red Frame Test Pattern */ case 1: reg &= ~TVENC_CTL_TPG_REDCLR; break; /* * TV Encoder - Modulated Ramp Test Pattern */ default: reg &= ~TVENC_CTL_TPG_MODRAMP; break; } } } static int tvenc_resource_initialized; static int tvenc_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; if (pdev->id == 0) { tvenc_base = ioremap(pdev->resource[0].start, pdev->resource[0].end - pdev->resource[0].start + 1); if (!tvenc_base) { printk(KERN_ERR "tvenc_base ioremap failed!\n"); return -ENOMEM; } tvenc_pdata = pdev->dev.platform_data; tvenc_resource_initialized = 1; return 0; } if (!tvenc_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 (tvenc_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_TV; /* * alloc panel device data */ if (platform_device_add_data (mdp_dev, pdev->dev.platform_data, sizeof(struct msm_fb_panel_data))) { printk(KERN_ERR "tvenc_probe: platform_device_add_data failed!\n"); platform_device_put(mdp_dev); return -ENOMEM; } /* * data chain */ pdata = mdp_dev->dev.platform_data; pdata->on = tvenc_on; pdata->off = tvenc_off; pdata->next = pdev; /* * get/set panel specific fb info */ mfd->panel_info = pdata->panel_info; mfd->fb_imgType = MDP_YCRYCB_H2V1; /* * set driver data */ platform_set_drvdata(mdp_dev, mfd); /* * register in mdp driver */ rc = platform_device_add(mdp_dev); if (rc) goto tvenc_probe_err; pdev_list[pdev_list_cnt++] = pdev; return 0; tvenc_probe_err: platform_device_put(mdp_dev); return rc; } static int tvenc_remove(struct platform_device *pdev) { // pm_qos_remove_requirement(PM_QOS_SYSTEM_BUS_FREQ , "tvenc"); return 0; } static int tvenc_register_driver(void) { return platform_driver_register(&tvenc_driver); } static int __init tvenc_driver_init(void) { tvenc_clk = clk_get(NULL, "tv_enc_clk"); tvdac_clk = clk_get(NULL, "tv_dac_clk"); if (IS_ERR(tvenc_clk)) { printk(KERN_ERR "error: can't get tvenc_clk!\n"); return PTR_ERR(tvenc_clk); } if (IS_ERR(tvdac_clk)) { printk(KERN_ERR "error: can't get tvdac_clk!\n"); clk_put(tvenc_clk); return PTR_ERR(tvdac_clk); } // pm_qos_add_requirement(PM_QOS_SYSTEM_BUS_FREQ , "tvenc", // PM_QOS_DEFAULT_VALUE); return tvenc_register_driver(); } module_init(tvenc_driver_init);