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- /*
- * Copyright (C) 2013 Red Hat
- * Author: Rob Clark <robdclark@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License 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, see <http://www.gnu.org/licenses/>.
- */
- #ifndef __MDP4_KMS_H__
- #define __MDP4_KMS_H__
- #include "msm_drv.h"
- #include "msm_kms.h"
- #include "mdp/mdp_kms.h"
- #include "mdp4.xml.h"
- #include "drm_panel.h"
- struct mdp4_kms {
- struct mdp_kms base;
- struct drm_device *dev;
- int rev;
- /* mapper-id used to request GEM buffer mapped for scanout: */
- int id;
- void __iomem *mmio;
- struct regulator *dsi_pll_vdda;
- struct regulator *dsi_pll_vddio;
- struct regulator *vdd;
- struct clk *clk;
- struct clk *pclk;
- struct clk *lut_clk;
- struct clk *axi_clk;
- struct mdp_irq error_handler;
- /* empty/blank cursor bo to use when cursor is "disabled" */
- struct drm_gem_object *blank_cursor_bo;
- uint32_t blank_cursor_iova;
- };
- #define to_mdp4_kms(x) container_of(x, struct mdp4_kms, base)
- /* platform config data (ie. from DT, or pdata) */
- struct mdp4_platform_config {
- struct iommu_domain *iommu;
- uint32_t max_clk;
- };
- static inline void mdp4_write(struct mdp4_kms *mdp4_kms, u32 reg, u32 data)
- {
- msm_writel(data, mdp4_kms->mmio + reg);
- }
- static inline u32 mdp4_read(struct mdp4_kms *mdp4_kms, u32 reg)
- {
- return msm_readl(mdp4_kms->mmio + reg);
- }
- static inline uint32_t pipe2flush(enum mdp4_pipe pipe)
- {
- switch (pipe) {
- case VG1: return MDP4_OVERLAY_FLUSH_VG1;
- case VG2: return MDP4_OVERLAY_FLUSH_VG2;
- case RGB1: return MDP4_OVERLAY_FLUSH_RGB1;
- case RGB2: return MDP4_OVERLAY_FLUSH_RGB2;
- default: return 0;
- }
- }
- static inline uint32_t ovlp2flush(int ovlp)
- {
- switch (ovlp) {
- case 0: return MDP4_OVERLAY_FLUSH_OVLP0;
- case 1: return MDP4_OVERLAY_FLUSH_OVLP1;
- default: return 0;
- }
- }
- static inline uint32_t dma2irq(enum mdp4_dma dma)
- {
- switch (dma) {
- case DMA_P: return MDP4_IRQ_DMA_P_DONE;
- case DMA_S: return MDP4_IRQ_DMA_S_DONE;
- case DMA_E: return MDP4_IRQ_DMA_E_DONE;
- default: return 0;
- }
- }
- static inline uint32_t dma2err(enum mdp4_dma dma)
- {
- switch (dma) {
- case DMA_P: return MDP4_IRQ_PRIMARY_INTF_UDERRUN;
- case DMA_S: return 0; // ???
- case DMA_E: return MDP4_IRQ_EXTERNAL_INTF_UDERRUN;
- default: return 0;
- }
- }
- static inline uint32_t mixercfg(uint32_t mixer_cfg, int mixer,
- enum mdp4_pipe pipe, enum mdp_mixer_stage_id stage)
- {
- switch (pipe) {
- case VG1:
- mixer_cfg &= ~(MDP4_LAYERMIXER_IN_CFG_PIPE0__MASK |
- MDP4_LAYERMIXER_IN_CFG_PIPE0_MIXER1);
- mixer_cfg |= MDP4_LAYERMIXER_IN_CFG_PIPE0(stage) |
- COND(mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE0_MIXER1);
- break;
- case VG2:
- mixer_cfg &= ~(MDP4_LAYERMIXER_IN_CFG_PIPE1__MASK |
- MDP4_LAYERMIXER_IN_CFG_PIPE1_MIXER1);
- mixer_cfg |= MDP4_LAYERMIXER_IN_CFG_PIPE1(stage) |
- COND(mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE1_MIXER1);
- break;
- case RGB1:
- mixer_cfg &= ~(MDP4_LAYERMIXER_IN_CFG_PIPE2__MASK |
- MDP4_LAYERMIXER_IN_CFG_PIPE2_MIXER1);
- mixer_cfg |= MDP4_LAYERMIXER_IN_CFG_PIPE2(stage) |
- COND(mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE2_MIXER1);
- break;
- case RGB2:
- mixer_cfg &= ~(MDP4_LAYERMIXER_IN_CFG_PIPE3__MASK |
- MDP4_LAYERMIXER_IN_CFG_PIPE3_MIXER1);
- mixer_cfg |= MDP4_LAYERMIXER_IN_CFG_PIPE3(stage) |
- COND(mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE3_MIXER1);
- break;
- case RGB3:
- mixer_cfg &= ~(MDP4_LAYERMIXER_IN_CFG_PIPE4__MASK |
- MDP4_LAYERMIXER_IN_CFG_PIPE4_MIXER1);
- mixer_cfg |= MDP4_LAYERMIXER_IN_CFG_PIPE4(stage) |
- COND(mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE4_MIXER1);
- break;
- case VG3:
- mixer_cfg &= ~(MDP4_LAYERMIXER_IN_CFG_PIPE5__MASK |
- MDP4_LAYERMIXER_IN_CFG_PIPE5_MIXER1);
- mixer_cfg |= MDP4_LAYERMIXER_IN_CFG_PIPE5(stage) |
- COND(mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE5_MIXER1);
- break;
- case VG4:
- mixer_cfg &= ~(MDP4_LAYERMIXER_IN_CFG_PIPE6__MASK |
- MDP4_LAYERMIXER_IN_CFG_PIPE6_MIXER1);
- mixer_cfg |= MDP4_LAYERMIXER_IN_CFG_PIPE6(stage) |
- COND(mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE6_MIXER1);
- break;
- default:
- WARN_ON("invalid pipe");
- break;
- }
- return mixer_cfg;
- }
- int mdp4_disable(struct mdp4_kms *mdp4_kms);
- int mdp4_enable(struct mdp4_kms *mdp4_kms);
- void mdp4_set_irqmask(struct mdp_kms *mdp_kms, uint32_t irqmask,
- uint32_t old_irqmask);
- void mdp4_irq_preinstall(struct msm_kms *kms);
- int mdp4_irq_postinstall(struct msm_kms *kms);
- void mdp4_irq_uninstall(struct msm_kms *kms);
- irqreturn_t mdp4_irq(struct msm_kms *kms);
- int mdp4_enable_vblank(struct msm_kms *kms, struct drm_crtc *crtc);
- void mdp4_disable_vblank(struct msm_kms *kms, struct drm_crtc *crtc);
- static inline uint32_t mdp4_pipe_caps(enum mdp4_pipe pipe)
- {
- switch (pipe) {
- case VG1:
- case VG2:
- case VG3:
- case VG4:
- return MDP_PIPE_CAP_HFLIP | MDP_PIPE_CAP_VFLIP |
- MDP_PIPE_CAP_SCALE | MDP_PIPE_CAP_CSC;
- case RGB1:
- case RGB2:
- case RGB3:
- return MDP_PIPE_CAP_SCALE;
- default:
- return 0;
- }
- }
- enum mdp4_pipe mdp4_plane_pipe(struct drm_plane *plane);
- struct drm_plane *mdp4_plane_init(struct drm_device *dev,
- enum mdp4_pipe pipe_id, bool private_plane);
- uint32_t mdp4_crtc_vblank(struct drm_crtc *crtc);
- void mdp4_crtc_cancel_pending_flip(struct drm_crtc *crtc, struct drm_file *file);
- void mdp4_crtc_set_config(struct drm_crtc *crtc, uint32_t config);
- void mdp4_crtc_set_intf(struct drm_crtc *crtc, enum mdp4_intf intf, int mixer);
- void mdp4_crtc_wait_for_commit_done(struct drm_crtc *crtc);
- struct drm_crtc *mdp4_crtc_init(struct drm_device *dev,
- struct drm_plane *plane, int id, int ovlp_id,
- enum mdp4_dma dma_id);
- long mdp4_dtv_round_pixclk(struct drm_encoder *encoder, unsigned long rate);
- struct drm_encoder *mdp4_dtv_encoder_init(struct drm_device *dev);
- long mdp4_lcdc_round_pixclk(struct drm_encoder *encoder, unsigned long rate);
- struct drm_encoder *mdp4_lcdc_encoder_init(struct drm_device *dev,
- struct drm_panel *panel);
- struct drm_connector *mdp4_lvds_connector_init(struct drm_device *dev,
- struct drm_panel *panel, struct drm_encoder *encoder);
- #ifdef CONFIG_COMMON_CLK
- struct clk *mpd4_lvds_pll_init(struct drm_device *dev);
- #else
- static inline struct clk *mpd4_lvds_pll_init(struct drm_device *dev)
- {
- return ERR_PTR(-ENODEV);
- }
- #endif
- #ifdef DOWNSTREAM_CONFIG_MSM_BUS_SCALING
- static inline int match_dev_name(struct device *dev, void *data)
- {
- return !strcmp(dev_name(dev), data);
- }
- /* bus scaling data is associated with extra pointless platform devices,
- * "dtv", etc.. this is a bit of a hack, but we need a way for encoders
- * to find their pdata to make the bus-scaling stuff work.
- */
- static inline void *mdp4_find_pdata(const char *devname)
- {
- struct device *dev;
- dev = bus_find_device(&platform_bus_type, NULL,
- (void *)devname, match_dev_name);
- return dev ? dev->platform_data : NULL;
- }
- #endif
- #endif /* __MDP4_KMS_H__ */
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