1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (C) 2013 Red Hat
4 * Author: Rob Clark <robdclark@gmail.com>
5 */
6
7 #ifndef __MDP4_KMS_H__
8 #define __MDP4_KMS_H__
9
10 #include <drm/drm_panel.h>
11
12 #include "msm_drv.h"
13 #include "msm_kms.h"
14 #include "disp/mdp_kms.h"
15 #include "mdp4.xml.h"
16
17 struct device_node;
18
19 struct mdp4_kms {
20 struct mdp_kms base;
21
22 struct drm_device *dev;
23
24 int rev;
25
26 void __iomem *mmio;
27
28 struct regulator *vdd;
29
30 struct clk *clk;
31 struct clk *pclk;
32 struct clk *lut_clk;
33 struct clk *axi_clk;
34
35 struct mdp_irq error_handler;
36
37 bool rpm_enabled;
38
39 /* empty/blank cursor bo to use when cursor is "disabled" */
40 struct drm_gem_object *blank_cursor_bo;
41 uint64_t blank_cursor_iova;
42 };
43 #define to_mdp4_kms(x) container_of(x, struct mdp4_kms, base)
44
45 /* platform config data (ie. from DT, or pdata) */
46 struct mdp4_platform_config {
47 struct iommu_domain *iommu;
48 uint32_t max_clk;
49 };
50
mdp4_write(struct mdp4_kms * mdp4_kms,u32 reg,u32 data)51 static inline void mdp4_write(struct mdp4_kms *mdp4_kms, u32 reg, u32 data)
52 {
53 msm_writel(data, mdp4_kms->mmio + reg);
54 }
55
mdp4_read(struct mdp4_kms * mdp4_kms,u32 reg)56 static inline u32 mdp4_read(struct mdp4_kms *mdp4_kms, u32 reg)
57 {
58 return msm_readl(mdp4_kms->mmio + reg);
59 }
60
pipe2flush(enum mdp4_pipe pipe)61 static inline uint32_t pipe2flush(enum mdp4_pipe pipe)
62 {
63 switch (pipe) {
64 case VG1: return MDP4_OVERLAY_FLUSH_VG1;
65 case VG2: return MDP4_OVERLAY_FLUSH_VG2;
66 case RGB1: return MDP4_OVERLAY_FLUSH_RGB1;
67 case RGB2: return MDP4_OVERLAY_FLUSH_RGB2;
68 default: return 0;
69 }
70 }
71
ovlp2flush(int ovlp)72 static inline uint32_t ovlp2flush(int ovlp)
73 {
74 switch (ovlp) {
75 case 0: return MDP4_OVERLAY_FLUSH_OVLP0;
76 case 1: return MDP4_OVERLAY_FLUSH_OVLP1;
77 default: return 0;
78 }
79 }
80
dma2irq(enum mdp4_dma dma)81 static inline uint32_t dma2irq(enum mdp4_dma dma)
82 {
83 switch (dma) {
84 case DMA_P: return MDP4_IRQ_DMA_P_DONE;
85 case DMA_S: return MDP4_IRQ_DMA_S_DONE;
86 case DMA_E: return MDP4_IRQ_DMA_E_DONE;
87 default: return 0;
88 }
89 }
90
dma2err(enum mdp4_dma dma)91 static inline uint32_t dma2err(enum mdp4_dma dma)
92 {
93 switch (dma) {
94 case DMA_P: return MDP4_IRQ_PRIMARY_INTF_UDERRUN;
95 case DMA_S: return 0; // ???
96 case DMA_E: return MDP4_IRQ_EXTERNAL_INTF_UDERRUN;
97 default: return 0;
98 }
99 }
100
mixercfg(uint32_t mixer_cfg,int mixer,enum mdp4_pipe pipe,enum mdp_mixer_stage_id stage)101 static inline uint32_t mixercfg(uint32_t mixer_cfg, int mixer,
102 enum mdp4_pipe pipe, enum mdp_mixer_stage_id stage)
103 {
104 switch (pipe) {
105 case VG1:
106 mixer_cfg &= ~(MDP4_LAYERMIXER_IN_CFG_PIPE0__MASK |
107 MDP4_LAYERMIXER_IN_CFG_PIPE0_MIXER1);
108 mixer_cfg |= MDP4_LAYERMIXER_IN_CFG_PIPE0(stage) |
109 COND(mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE0_MIXER1);
110 break;
111 case VG2:
112 mixer_cfg &= ~(MDP4_LAYERMIXER_IN_CFG_PIPE1__MASK |
113 MDP4_LAYERMIXER_IN_CFG_PIPE1_MIXER1);
114 mixer_cfg |= MDP4_LAYERMIXER_IN_CFG_PIPE1(stage) |
115 COND(mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE1_MIXER1);
116 break;
117 case RGB1:
118 mixer_cfg &= ~(MDP4_LAYERMIXER_IN_CFG_PIPE2__MASK |
119 MDP4_LAYERMIXER_IN_CFG_PIPE2_MIXER1);
120 mixer_cfg |= MDP4_LAYERMIXER_IN_CFG_PIPE2(stage) |
121 COND(mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE2_MIXER1);
122 break;
123 case RGB2:
124 mixer_cfg &= ~(MDP4_LAYERMIXER_IN_CFG_PIPE3__MASK |
125 MDP4_LAYERMIXER_IN_CFG_PIPE3_MIXER1);
126 mixer_cfg |= MDP4_LAYERMIXER_IN_CFG_PIPE3(stage) |
127 COND(mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE3_MIXER1);
128 break;
129 case RGB3:
130 mixer_cfg &= ~(MDP4_LAYERMIXER_IN_CFG_PIPE4__MASK |
131 MDP4_LAYERMIXER_IN_CFG_PIPE4_MIXER1);
132 mixer_cfg |= MDP4_LAYERMIXER_IN_CFG_PIPE4(stage) |
133 COND(mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE4_MIXER1);
134 break;
135 case VG3:
136 mixer_cfg &= ~(MDP4_LAYERMIXER_IN_CFG_PIPE5__MASK |
137 MDP4_LAYERMIXER_IN_CFG_PIPE5_MIXER1);
138 mixer_cfg |= MDP4_LAYERMIXER_IN_CFG_PIPE5(stage) |
139 COND(mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE5_MIXER1);
140 break;
141 case VG4:
142 mixer_cfg &= ~(MDP4_LAYERMIXER_IN_CFG_PIPE6__MASK |
143 MDP4_LAYERMIXER_IN_CFG_PIPE6_MIXER1);
144 mixer_cfg |= MDP4_LAYERMIXER_IN_CFG_PIPE6(stage) |
145 COND(mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE6_MIXER1);
146 break;
147 default:
148 WARN(1, "invalid pipe");
149 break;
150 }
151
152 return mixer_cfg;
153 }
154
155 int mdp4_disable(struct mdp4_kms *mdp4_kms);
156 int mdp4_enable(struct mdp4_kms *mdp4_kms);
157
158 void mdp4_set_irqmask(struct mdp_kms *mdp_kms, uint32_t irqmask,
159 uint32_t old_irqmask);
160 void mdp4_irq_preinstall(struct msm_kms *kms);
161 int mdp4_irq_postinstall(struct msm_kms *kms);
162 void mdp4_irq_uninstall(struct msm_kms *kms);
163 irqreturn_t mdp4_irq(struct msm_kms *kms);
164 int mdp4_enable_vblank(struct msm_kms *kms, struct drm_crtc *crtc);
165 void mdp4_disable_vblank(struct msm_kms *kms, struct drm_crtc *crtc);
166
mdp4_pipe_caps(enum mdp4_pipe pipe)167 static inline uint32_t mdp4_pipe_caps(enum mdp4_pipe pipe)
168 {
169 switch (pipe) {
170 case VG1:
171 case VG2:
172 case VG3:
173 case VG4:
174 return MDP_PIPE_CAP_HFLIP | MDP_PIPE_CAP_VFLIP |
175 MDP_PIPE_CAP_SCALE | MDP_PIPE_CAP_CSC;
176 case RGB1:
177 case RGB2:
178 case RGB3:
179 return MDP_PIPE_CAP_SCALE;
180 default:
181 return 0;
182 }
183 }
184
185 enum mdp4_pipe mdp4_plane_pipe(struct drm_plane *plane);
186 struct drm_plane *mdp4_plane_init(struct drm_device *dev,
187 enum mdp4_pipe pipe_id, bool private_plane);
188
189 uint32_t mdp4_crtc_vblank(struct drm_crtc *crtc);
190 void mdp4_crtc_set_config(struct drm_crtc *crtc, uint32_t config);
191 void mdp4_crtc_set_intf(struct drm_crtc *crtc, enum mdp4_intf intf, int mixer);
192 void mdp4_crtc_wait_for_commit_done(struct drm_crtc *crtc);
193 struct drm_crtc *mdp4_crtc_init(struct drm_device *dev,
194 struct drm_plane *plane, int id, int ovlp_id,
195 enum mdp4_dma dma_id);
196
197 long mdp4_dtv_round_pixclk(struct drm_encoder *encoder, unsigned long rate);
198 struct drm_encoder *mdp4_dtv_encoder_init(struct drm_device *dev);
199
200 long mdp4_lcdc_round_pixclk(struct drm_encoder *encoder, unsigned long rate);
201 struct drm_encoder *mdp4_lcdc_encoder_init(struct drm_device *dev,
202 struct device_node *panel_node);
203
204 struct drm_connector *mdp4_lvds_connector_init(struct drm_device *dev,
205 struct device_node *panel_node, struct drm_encoder *encoder);
206
207 #ifdef CONFIG_DRM_MSM_DSI
208 struct drm_encoder *mdp4_dsi_encoder_init(struct drm_device *dev);
209 #else
mdp4_dsi_encoder_init(struct drm_device * dev)210 static inline struct drm_encoder *mdp4_dsi_encoder_init(struct drm_device *dev)
211 {
212 return ERR_PTR(-ENODEV);
213 }
214 #endif
215
216 #ifdef CONFIG_COMMON_CLK
217 struct clk *mpd4_lvds_pll_init(struct drm_device *dev);
218 #else
mpd4_lvds_pll_init(struct drm_device * dev)219 static inline struct clk *mpd4_lvds_pll_init(struct drm_device *dev)
220 {
221 return ERR_PTR(-ENODEV);
222 }
223 #endif
224
225 #endif /* __MDP4_KMS_H__ */
226