--- /dev/null
+/*
+ * 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);
+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 bool pipe_supports_yuv(enum mdp4_pipe pipe)
+{
+ switch (pipe) {
+ case VG1:
+ case VG2:
+ case VG3:
+ case VG4:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static inline
+uint32_t mdp4_get_formats(enum mdp4_pipe pipe_id, uint32_t *pixel_formats,
+ uint32_t max_formats)
+{
+ return mdp_get_formats(pixel_formats, max_formats,
+ !pipe_supports_yuv(pipe_id));
+}
+
+void mdp4_plane_install_properties(struct drm_plane *plane,
+ struct drm_mode_object *obj);
+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);
+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 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__ */
Code Review / kvmfornfv.git / blobdiff