static int mddi_off(struct platform_device *pdev) { struct msm_fb_data_type *mfd; boolean dma_pending, dma_update_flag; int ret, i; mfd = platform_get_drvdata(pdev); for (i = 0; i < 6; i++) { dma_update_flag = mfd->dma_update_flag; dma_pending = mfd->dma->busy; if (dma_update_flag && !dma_pending) break; msleep(5); } pmdh_clk_enable(); ret = panel_next_off(pdev); pmdh_clk_disable(); if (mddi_pdata && mddi_pdata->mddi_power_save) mddi_pdata->mddi_power_save(0); #ifdef CONFIG_MSM_BUS_SCALING mdp_bus_scale_update_request(0); #else if (mfd->ebi1_clk) clk_disable_unprepare(mfd->ebi1_clk); #endif pm_runtime_put(&pdev->dev); return ret; }
static int __init mddi_driver_init(void) { int ret; pmdh_clk_status = 0; mddi_clk = clk_get(NULL, "mddi_clk"); if (IS_ERR(mddi_clk)) { printk(KERN_ERR "can't find mddi_clk\n"); return PTR_ERR(mddi_clk); } ret = clk_set_min_rate(mddi_clk, 49000000); if (ret) printk(KERN_ERR "Can't set mddi_clk min rate to 49000000\n"); printk(KERN_INFO "mddi_clk init rate is %lu\n", clk_get_rate(mddi_clk)); mddi_pclk = clk_get(NULL, "mddi_pclk"); if (IS_ERR(mddi_pclk)) mddi_pclk = NULL; pmdh_clk_enable(); ret = mddi_register_driver(); if (ret) { pmdh_clk_disable(); clk_put(mddi_clk); if (mddi_pclk) clk_put(mddi_pclk); printk(KERN_ERR "mddi_register_driver() failed!\n"); return ret; } mddi_init(); return ret; }
static int mddi_off(struct platform_device *pdev) { struct msm_fb_data_type *mfd; boolean dma_pending, dma_update_flag; int ret, i; mfd = platform_get_drvdata(pdev); for (i = 0; i < 6; i++) { dma_update_flag = mfd->dma_update_flag; dma_pending = mfd->dma->busy; if (dma_update_flag && !dma_pending) break; msleep(5); } pmdh_clk_enable(); ret = panel_next_off(pdev); pmdh_clk_disable(); if (mddi_pdata && mddi_pdata->mddi_power_save) mddi_pdata->mddi_power_save(0); pm_runtime_put(&pdev->dev); return ret; }
static int __init mddi_driver_init(void) { int ret; mddi_clk = clk_get(NULL, "mddi_clk"); if (IS_ERR(mddi_clk)) { printk(KERN_ERR "can't find mddi_clk \n"); return PTR_ERR(mddi_clk); } mddi_pclk = clk_get(NULL, "mddi_pclk"); if (IS_ERR(mddi_pclk)) mddi_pclk = NULL; pmdh_clk_enable(); ret = mddi_register_driver(); if (ret) { pmdh_clk_disable(); clk_put(mddi_clk); if (mddi_pclk) { clk_put(mddi_pclk); } printk(KERN_ERR "mddi_register_driver() failed!\n"); return ret; } mddi_init(); return ret; }
static int __init mddi_driver_init(void) { int ret; ret = mddi_register_driver(); if (ret) { pmdh_clk_disable(); clk_put(mddi_clk); if (mddi_pclk) clk_put(mddi_pclk); printk(KERN_ERR "mddi_register_driver() failed!\n"); return ret; } mddi_init(); return ret; }
void mddi_disable(int lock) { mddi_host_type host_idx = MDDI_HOST_PRIM; if (mddi_power_locked) return; if (lock) mddi_power_locked = 1; pmdh_clk_enable(); mddi_pad_ctrl = mddi_host_reg_in(PAD_CTL); mddi_host_reg_out(PAD_CTL, 0x0); pmdh_clk_disable(); if (mddi_pdata && mddi_pdata->mddi_power_save) mddi_pdata->mddi_power_save(0); }
static int mddi_suspend(struct platform_device *pdev, pm_message_t state) { mddi_host_type host_idx = MDDI_HOST_PRIM; if (mddi_is_in_suspend) return 0; mddi_is_in_suspend = 1; if (mddi_power_locked) return 0; pmdh_clk_enable(); mddi_pad_ctrl = mddi_host_reg_in(PAD_CTL); mddi_host_reg_out(PAD_CTL, 0x0); pmdh_clk_disable(); return 0; }
int pmdh_clk_func(int value) { int ret = 0; switch (value) { case 0: pmdh_clk_disable(); break; case 1: pmdh_clk_enable(); break; case 2: default: mutex_lock(&pmdh_clk_lock); ret = pmdh_clk_status; mutex_unlock(&pmdh_clk_lock); break; } return ret; }
void mddi_disable(int lock) { mddi_host_type host_idx = MDDI_HOST_PRIM; if (mddi_power_locked) return; if (lock) mddi_power_locked = 1; pmdh_clk_enable(); mddi_pad_ctrl = mddi_host_reg_in(PAD_CTL); mddi_host_reg_out(PAD_CTL, 0x0); if (clk_set_min_rate(mddi_clk, 0) < 0) printk(KERN_ERR "%s: clk_set_min_rate failed\n", __func__); pmdh_clk_disable(); if (mddi_pdata && mddi_pdata->mddi_power_save) mddi_pdata->mddi_power_save(0); }
static int mddi_suspend(struct platform_device *pdev, pm_message_t state) { mddi_host_type host_idx = MDDI_HOST_PRIM; if (mddi_is_in_suspend) return 0; mddi_is_in_suspend = 1; if (mddi_power_locked) return 0; pmdh_clk_enable(); mddi_pad_ctrl = mddi_host_reg_in(PAD_CTL); mddi_host_reg_out(PAD_CTL, 0x0); if (clk_set_min_rate(mddi_clk, 0) < 0) printk(KERN_ERR "%s: clk_set_min_rate failed\n", __func__); pmdh_clk_disable(); return 0; }