1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (c) 2009-2011, Intel Corporation.
4 */
5
6 #ifndef __INTEL_DRV_H__
7 #define __INTEL_DRV_H__
8
9 #include <linux/i2c.h>
10 #include <linux/i2c-algo-bit.h>
11 #include <drm/drm_crtc.h>
12 #include <drm/drm_encoder.h>
13 #include <drm/drm_probe_helper.h>
14 #include <drm/drm_vblank.h>
15 #include "gma_display.h"
16
17 /*
18 * Display related stuff
19 */
20
21 /* maximum connectors per crtcs in the mode set */
22 #define INTELFB_CONN_LIMIT 4
23
24 /* Intel Pipe Clone Bit */
25 #define INTEL_HDMIB_CLONE_BIT 1
26 #define INTEL_HDMIC_CLONE_BIT 2
27 #define INTEL_HDMID_CLONE_BIT 3
28 #define INTEL_HDMIE_CLONE_BIT 4
29 #define INTEL_HDMIF_CLONE_BIT 5
30 #define INTEL_SDVO_NON_TV_CLONE_BIT 6
31 #define INTEL_SDVO_TV_CLONE_BIT 7
32 #define INTEL_SDVO_LVDS_CLONE_BIT 8
33 #define INTEL_ANALOG_CLONE_BIT 9
34 #define INTEL_TV_CLONE_BIT 10
35 #define INTEL_DP_B_CLONE_BIT 11
36 #define INTEL_DP_C_CLONE_BIT 12
37 #define INTEL_DP_D_CLONE_BIT 13
38 #define INTEL_LVDS_CLONE_BIT 14
39 #define INTEL_DVO_TMDS_CLONE_BIT 15
40 #define INTEL_DVO_LVDS_CLONE_BIT 16
41 #define INTEL_EDP_CLONE_BIT 17
42
43 /* these are outputs from the chip - integrated only
44 * external chips are via DVO or SDVO output */
45 #define INTEL_OUTPUT_UNUSED 0
46 #define INTEL_OUTPUT_ANALOG 1
47 #define INTEL_OUTPUT_DVO 2
48 #define INTEL_OUTPUT_SDVO 3
49 #define INTEL_OUTPUT_LVDS 4
50 #define INTEL_OUTPUT_TVOUT 5
51 #define INTEL_OUTPUT_HDMI 6
52 #define INTEL_OUTPUT_MIPI 7
53 #define INTEL_OUTPUT_MIPI2 8
54 #define INTEL_OUTPUT_DISPLAYPORT 9
55 #define INTEL_OUTPUT_EDP 10
56
57 /*
58 * Hold information useally put on the device driver privates here,
59 * since it needs to be shared across multiple of devices drivers privates.
60 */
61 struct psb_intel_mode_device {
62
63 /*
64 * Abstracted memory manager operations
65 */
66 size_t(*bo_offset) (struct drm_device *dev, void *bo);
67
68 /*
69 * LVDS info
70 */
71 int backlight_duty_cycle; /* restore backlight to this value */
72 bool panel_wants_dither;
73 struct drm_display_mode *panel_fixed_mode;
74 struct drm_display_mode *panel_fixed_mode2;
75 struct drm_display_mode *vbt_mode; /* if any */
76
77 uint32_t saveBLC_PWM_CTL;
78 };
79
80 struct gma_i2c_chan {
81 struct i2c_adapter base;
82 struct i2c_algo_bit_data algo;
83 u8 target_addr;
84
85 /* for getting at dev. private (mmio etc.) */
86 struct drm_device *drm_dev;
87 u32 reg; /* GPIO reg */
88 };
89
90 struct gma_encoder {
91 struct drm_encoder base;
92 int type;
93 bool needs_tv_clock;
94 void (*hot_plug)(struct gma_encoder *);
95 int crtc_mask;
96 int clone_mask;
97 u32 ddi_select; /* Channel info */
98 #define DDI0_SELECT 0x01
99 #define DDI1_SELECT 0x02
100 #define DP_MASK 0x8000
101 #define DDI_MASK 0x03
102 void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */
103
104 /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's
105 own set of output privates */
106 struct gma_i2c_chan *i2c_bus;
107 };
108
109 struct gma_connector {
110 struct drm_connector base;
111 struct gma_encoder *encoder;
112
113 void (*save)(struct drm_connector *connector);
114 void (*restore)(struct drm_connector *connector);
115 };
116
117 struct psb_intel_crtc_state {
118 uint32_t saveDSPCNTR;
119 uint32_t savePIPECONF;
120 uint32_t savePIPESRC;
121 uint32_t saveDPLL;
122 uint32_t saveFP0;
123 uint32_t saveFP1;
124 uint32_t saveHTOTAL;
125 uint32_t saveHBLANK;
126 uint32_t saveHSYNC;
127 uint32_t saveVTOTAL;
128 uint32_t saveVBLANK;
129 uint32_t saveVSYNC;
130 uint32_t saveDSPSTRIDE;
131 uint32_t saveDSPSIZE;
132 uint32_t saveDSPPOS;
133 uint32_t saveDSPBASE;
134 uint32_t savePalette[256];
135 };
136
137 struct gma_crtc {
138 struct drm_crtc base;
139 int pipe;
140 int plane;
141 uint32_t cursor_addr;
142 struct psb_gem_object *cursor_pobj;
143 u8 lut_adj[256];
144 struct psb_intel_framebuffer *fbdev_fb;
145 /* a mode_set for fbdev users on this crtc */
146 struct drm_mode_set mode_set;
147
148 /* GEM object that holds our cursor */
149 struct drm_gem_object *cursor_obj;
150
151 struct drm_display_mode saved_mode;
152 struct drm_display_mode saved_adjusted_mode;
153
154 struct psb_intel_mode_device *mode_dev;
155
156 /*crtc mode setting flags*/
157 u32 mode_flags;
158
159 bool active;
160
161 /* Saved Crtc HW states */
162 struct psb_intel_crtc_state *crtc_state;
163
164 const struct gma_clock_funcs *clock_funcs;
165
166 struct drm_pending_vblank_event *page_flip_event;
167 };
168
169 #define to_gma_crtc(x) \
170 container_of(x, struct gma_crtc, base)
171 #define to_gma_connector(x) \
172 container_of(x, struct gma_connector, base)
173 #define to_gma_encoder(x) \
174 container_of(x, struct gma_encoder, base)
175 #define to_psb_intel_framebuffer(x) \
176 container_of(x, struct psb_intel_framebuffer, base)
177 #define to_gma_i2c_chan(x) \
178 container_of(x, struct gma_i2c_chan, base)
179
180 struct gma_i2c_chan *gma_i2c_create(struct drm_device *dev, const u32 reg,
181 const char *name);
182 void gma_i2c_destroy(struct gma_i2c_chan *chan);
183 int psb_intel_ddc_get_modes(struct drm_connector *connector,
184 struct i2c_adapter *adapter);
185 extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter);
186
187 extern void psb_intel_crtc_init(struct drm_device *dev, int pipe,
188 struct psb_intel_mode_device *mode_dev);
189 extern bool psb_intel_sdvo_init(struct drm_device *dev, int output_device);
190 extern void psb_intel_lvds_init(struct drm_device *dev,
191 struct psb_intel_mode_device *mode_dev);
192 extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level);
193 extern void oaktrail_lvds_init(struct drm_device *dev,
194 struct psb_intel_mode_device *mode_dev);
195 struct gma_i2c_chan *oaktrail_lvds_i2c_init(struct drm_device *dev);
196
197 extern struct drm_encoder *gma_best_encoder(struct drm_connector *connector);
198 extern void gma_connector_attach_encoder(struct gma_connector *connector,
199 struct gma_encoder *encoder);
200
gma_attached_encoder(struct drm_connector * connector)201 static inline struct gma_encoder *gma_attached_encoder(
202 struct drm_connector *connector)
203 {
204 return to_gma_connector(connector)->encoder;
205 }
206
207 extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
208 struct drm_crtc *crtc);
209 extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev,
210 int pipe);
211 extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
212 const struct drm_display_mode *mode,
213 struct drm_display_mode *adjusted_mode);
214 extern enum drm_mode_status psb_intel_lvds_mode_valid(struct drm_connector *connector,
215 struct drm_display_mode *mode);
216 extern int psb_intel_lvds_set_property(struct drm_connector *connector,
217 struct drm_property *property,
218 uint64_t value);
219 extern void psb_intel_lvds_destroy(struct drm_connector *connector);
220
221 /* intel_gmbus.c */
222 extern void gma_intel_i2c_reset(struct drm_device *dev);
223 extern int gma_intel_setup_gmbus(struct drm_device *dev);
224 extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
225 extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
226 extern void gma_intel_teardown_gmbus(struct drm_device *dev);
227
228 /* DP support */
229 extern void cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int output_reg);
230 extern void cdv_intel_dp_set_m_n(struct drm_crtc *crtc,
231 struct drm_display_mode *mode,
232 struct drm_display_mode *adjusted_mode);
233
234 extern int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val);
235 extern int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val);
236 extern void cdv_sb_reset(struct drm_device *dev);
237
238 extern void cdv_intel_attach_force_audio_property(struct drm_connector *connector);
239 extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector);
240
241 #endif /* __INTEL_DRV_H__ */
242