| /* |
| * rcar_du_drv.h -- R-Car Display Unit DRM driver |
| * |
| * Copyright (C) 2013 Renesas Corporation |
| * |
| * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| */ |
| |
| #ifndef __RCAR_DU_DRV_H__ |
| #define __RCAR_DU_DRV_H__ |
| |
| #include <linux/kernel.h> |
| #include <linux/platform_data/rcar-du.h> |
| |
| #include "rcar_du_crtc.h" |
| #include "rcar_du_group.h" |
| |
| struct clk; |
| struct device; |
| struct drm_device; |
| struct rcar_du_device; |
| |
| #define RCAR_DU_FEATURE_CRTC_IRQ_CLOCK (1 << 0) /* Per-CRTC IRQ and clock */ |
| #define RCAR_DU_FEATURE_ALIGN_128B (1 << 1) /* Align pitches to 128 bytes */ |
| #define RCAR_DU_FEATURE_DEFR8 (1 << 2) /* Has DEFR8 register */ |
| |
| /* |
| * struct rcar_du_output_routing - Output routing specification |
| * @possible_crtcs: bitmask of possible CRTCs for the output |
| * @encoder_type: DRM type of the internal encoder associated with the output |
| * |
| * The DU has 5 possible outputs (DPAD0/1, LVDS0/1, TCON). Output routing data |
| * specify the valid SoC outputs, which CRTCs can drive the output, and the type |
| * of in-SoC encoder for the output. |
| */ |
| struct rcar_du_output_routing { |
| unsigned int possible_crtcs; |
| unsigned int encoder_type; |
| }; |
| |
| /* |
| * struct rcar_du_device_info - DU model-specific information |
| * @features: device features (RCAR_DU_FEATURE_*) |
| * @num_crtcs: total number of CRTCs |
| * @routes: array of CRTC to output routes, indexed by output (RCAR_DU_OUTPUT_*) |
| */ |
| struct rcar_du_device_info { |
| unsigned int features; |
| unsigned int num_crtcs; |
| struct rcar_du_output_routing routes[RCAR_DU_OUTPUT_MAX]; |
| }; |
| |
| struct rcar_du_device { |
| struct device *dev; |
| const struct rcar_du_platform_data *pdata; |
| const struct rcar_du_device_info *info; |
| |
| void __iomem *mmio; |
| |
| struct drm_device *ddev; |
| |
| struct rcar_du_crtc crtcs[3]; |
| unsigned int num_crtcs; |
| |
| struct rcar_du_group groups[2]; |
| }; |
| |
| static inline bool rcar_du_has(struct rcar_du_device *rcdu, |
| unsigned int feature) |
| { |
| return rcdu->info->features & feature; |
| } |
| |
| static inline u32 rcar_du_read(struct rcar_du_device *rcdu, u32 reg) |
| { |
| return ioread32(rcdu->mmio + reg); |
| } |
| |
| static inline void rcar_du_write(struct rcar_du_device *rcdu, u32 reg, u32 data) |
| { |
| iowrite32(data, rcdu->mmio + reg); |
| } |
| |
| #endif /* __RCAR_DU_DRV_H__ */ |