| /* | |
| * Copyright (C) STMicroelectronics SA 2017 | |
| * | |
| * Authors: Philippe Cornu <philippe.cornu@st.com> | |
| * Yannick Fertre <yannick.fertre@st.com> | |
| * Fabien Dessenne <fabien.dessenne@st.com> | |
| * Mickael Reulier <mickael.reulier@st.com> | |
| * | |
| * License terms: GNU General Public License (GPL), version 2 | |
| */ | |
| #ifndef _LTDC_H_ | |
| #define _LTDC_H_ | |
| struct ltdc_caps { | |
| u32 hw_version; /* hardware version */ | |
| u32 nb_layers; /* number of supported layers */ | |
| u32 reg_ofs; /* register offset for applicable regs */ | |
| u32 bus_width; /* bus width (32 or 64 bits) */ | |
| const u32 *pix_fmt_hw; /* supported pixel formats */ | |
| }; | |
| struct ltdc_device { | |
| struct drm_fbdev_cma *fbdev; | |
| void __iomem *regs; | |
| struct clk *pixel_clk; /* lcd pixel clock */ | |
| struct drm_bridge *bridge; | |
| bool is_panel_bridge; | |
| struct mutex err_lock; /* protecting error_status */ | |
| struct ltdc_caps caps; | |
| u32 error_status; | |
| u32 irq_status; | |
| }; | |
| int ltdc_crtc_enable_vblank(struct drm_device *dev, unsigned int pipe); | |
| void ltdc_crtc_disable_vblank(struct drm_device *dev, unsigned int pipe); | |
| int ltdc_load(struct drm_device *ddev); | |
| void ltdc_unload(struct drm_device *ddev); | |
| #endif |