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 slave_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 | |
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 | |