xref: /linux/drivers/gpu/drm/gma500/oaktrail.h (revision 44f57d78)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /**************************************************************************
3  * Copyright (c) 2007-2011, Intel Corporation.
4  * All Rights Reserved.
5  *
6  **************************************************************************/
7 
8 /* MID device specific descriptors */
9 
10 struct oaktrail_timing_info {
11 	u16 pixel_clock;
12 	u8 hactive_lo;
13 	u8 hblank_lo;
14 	u8 hblank_hi:4;
15 	u8 hactive_hi:4;
16 	u8 vactive_lo;
17 	u8 vblank_lo;
18 	u8 vblank_hi:4;
19 	u8 vactive_hi:4;
20 	u8 hsync_offset_lo;
21 	u8 hsync_pulse_width_lo;
22 	u8 vsync_pulse_width_lo:4;
23 	u8 vsync_offset_lo:4;
24 	u8 vsync_pulse_width_hi:2;
25 	u8 vsync_offset_hi:2;
26 	u8 hsync_pulse_width_hi:2;
27 	u8 hsync_offset_hi:2;
28 	u8 width_mm_lo;
29 	u8 height_mm_lo;
30 	u8 height_mm_hi:4;
31 	u8 width_mm_hi:4;
32 	u8 hborder;
33 	u8 vborder;
34 	u8 unknown0:1;
35 	u8 hsync_positive:1;
36 	u8 vsync_positive:1;
37 	u8 separate_sync:2;
38 	u8 stereo:1;
39 	u8 unknown6:1;
40 	u8 interlaced:1;
41 } __packed;
42 
43 struct gct_r10_timing_info {
44 	u16 pixel_clock;
45 	u32 hactive_lo:8;
46 	u32 hactive_hi:4;
47 	u32 hblank_lo:8;
48 	u32 hblank_hi:4;
49 	u32 hsync_offset_lo:8;
50 	u16 hsync_offset_hi:2;
51 	u16 hsync_pulse_width_lo:8;
52 	u16 hsync_pulse_width_hi:2;
53 	u16 hsync_positive:1;
54 	u16 rsvd_1:3;
55 	u8  vactive_lo:8;
56 	u16 vactive_hi:4;
57 	u16 vblank_lo:8;
58 	u16 vblank_hi:4;
59 	u16 vsync_offset_lo:4;
60 	u16 vsync_offset_hi:2;
61 	u16 vsync_pulse_width_lo:4;
62 	u16 vsync_pulse_width_hi:2;
63 	u16 vsync_positive:1;
64 	u16 rsvd_2:3;
65 } __packed;
66 
67 struct oaktrail_panel_descriptor_v1 {
68 	u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
69 				/* 0x61190 if MIPI */
70 	u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
71 	u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
72 	u32 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 dword */
73 						/* Register 0x61210 */
74 	struct oaktrail_timing_info DTD;/*18 bytes, Standard definition */
75 	u16 Panel_Backlight_Inverter_Descriptor;/* 16 bits, as follows */
76 				/* Bit 0, Frequency, 15 bits,0 - 32767Hz */
77 			/* Bit 15, Polarity, 1 bit, 0: Normal, 1: Inverted */
78 	u16 Panel_MIPI_Display_Descriptor;
79 			/*16 bits, Defined as follows: */
80 			/* if MIPI, 0x0000 if LVDS */
81 			/* Bit 0, Type, 2 bits, */
82 			/* 0: Type-1, */
83 			/* 1: Type-2, */
84 			/* 2: Type-3, */
85 			/* 3: Type-4 */
86 			/* Bit 2, Pixel Format, 4 bits */
87 			/* Bit0: 16bpp (not supported in LNC), */
88 			/* Bit1: 18bpp loosely packed, */
89 			/* Bit2: 18bpp packed, */
90 			/* Bit3: 24bpp */
91 			/* Bit 6, Reserved, 2 bits, 00b */
92 			/* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
93 			/* Bit 14, Reserved, 2 bits, 00b */
94 } __packed;
95 
96 struct oaktrail_panel_descriptor_v2 {
97 	u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
98 				/* 0x61190 if MIPI */
99 	u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
100 	u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
101 	u8 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 byte */
102 						/* Register 0x61210 */
103 	struct oaktrail_timing_info DTD;/*18 bytes, Standard definition */
104 	u16 Panel_Backlight_Inverter_Descriptor;/*16 bits, as follows*/
105 				/*Bit 0, Frequency, 16 bits, 0 - 32767Hz*/
106 	u8 Panel_Initial_Brightness;/* [7:0] 0 - 100% */
107 			/*Bit 7, Polarity, 1 bit,0: Normal, 1: Inverted*/
108 	u16 Panel_MIPI_Display_Descriptor;
109 			/*16 bits, Defined as follows: */
110 			/* if MIPI, 0x0000 if LVDS */
111 			/* Bit 0, Type, 2 bits, */
112 			/* 0: Type-1, */
113 			/* 1: Type-2, */
114 			/* 2: Type-3, */
115 			/* 3: Type-4 */
116 			/* Bit 2, Pixel Format, 4 bits */
117 			/* Bit0: 16bpp (not supported in LNC), */
118 			/* Bit1: 18bpp loosely packed, */
119 			/* Bit2: 18bpp packed, */
120 			/* Bit3: 24bpp */
121 			/* Bit 6, Reserved, 2 bits, 00b */
122 			/* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
123 			/* Bit 14, Reserved, 2 bits, 00b */
124 } __packed;
125 
126 union oaktrail_panel_rx {
127 	struct {
128 		u16 NumberOfLanes:2; /*Num of Lanes, 2 bits,0 = 1 lane,*/
129 			/* 1 = 2 lanes, 2 = 3 lanes, 3 = 4 lanes. */
130 		u16 MaxLaneFreq:3; /* 0: 100MHz, 1: 200MHz, 2: 300MHz, */
131 		/*3: 400MHz, 4: 500MHz, 5: 600MHz, 6: 700MHz, 7: 800MHz.*/
132 		u16 SupportedVideoTransferMode:2; /*0: Non-burst only */
133 					/* 1: Burst and non-burst */
134 					/* 2/3: Reserved */
135 		u16 HSClkBehavior:1; /*0: Continuous, 1: Non-continuous*/
136 		u16 DuoDisplaySupport:1; /*1 bit,0: No, 1: Yes*/
137 		u16 ECC_ChecksumCapabilities:1;/*1 bit,0: No, 1: Yes*/
138 		u16 BidirectionalCommunication:1;/*1 bit,0: No, 1: Yes */
139 		u16 Rsvd:5;/*5 bits,00000b */
140 	} panelrx;
141 	u16 panel_receiver;
142 } __packed;
143 
144 struct gct_r0 {
145 	union { /*8 bits,Defined as follows: */
146 		struct {
147 			u8 PanelType:4; /*4 bits, Bit field for panels*/
148 					/* 0 - 3: 0 = LVDS, 1 = MIPI*/
149 					/*2 bits,Specifies which of the*/
150 			u8 BootPanelIndex:2;
151 					/* 4 panels to use by default*/
152 			u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
153 					/* the 4 MIPI DSI receivers to use*/
154 		} PD;
155 		u8 PanelDescriptor;
156 	};
157 	struct oaktrail_panel_descriptor_v1 panel[4];/*panel descrs,38 bytes each*/
158 	union oaktrail_panel_rx panelrx[4]; /* panel receivers*/
159 } __packed;
160 
161 struct gct_r1 {
162 	union { /*8 bits,Defined as follows: */
163 		struct {
164 			u8 PanelType:4; /*4 bits, Bit field for panels*/
165 					/* 0 - 3: 0 = LVDS, 1 = MIPI*/
166 					/*2 bits,Specifies which of the*/
167 			u8 BootPanelIndex:2;
168 					/* 4 panels to use by default*/
169 			u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
170 					/* the 4 MIPI DSI receivers to use*/
171 		} PD;
172 		u8 PanelDescriptor;
173 	};
174 	struct oaktrail_panel_descriptor_v2 panel[4];/*panel descrs,38 bytes each*/
175 	union oaktrail_panel_rx panelrx[4]; /* panel receivers*/
176 } __packed;
177 
178 struct gct_r10 {
179 	struct gct_r10_timing_info DTD;
180 	u16 Panel_MIPI_Display_Descriptor;
181 	u16 Panel_MIPI_Receiver_Descriptor;
182 	u16 Panel_Backlight_Inverter_Descriptor;
183 	u8 Panel_Initial_Brightness;
184 	u32 MIPI_Ctlr_Init_ptr;
185 	u32 MIPI_Panel_Init_ptr;
186 } __packed;
187 
188 struct oaktrail_gct_data {
189 	u8 bpi; /* boot panel index, number of panel used during boot */
190 	u8 pt; /* panel type, 4 bit field, 0=lvds, 1=mipi */
191 	struct oaktrail_timing_info DTD; /* timing info for the selected panel */
192 	u32 Panel_Port_Control;
193 	u32 PP_On_Sequencing;/*1 dword,Register 0x61208,*/
194 	u32 PP_Off_Sequencing;/*1 dword,Register 0x6120C,*/
195 	u32 PP_Cycle_Delay;
196 	u16 Panel_Backlight_Inverter_Descriptor;
197 	u16 Panel_MIPI_Display_Descriptor;
198 } __packed;
199 
200 #define MODE_SETTING_IN_CRTC		0x1
201 #define MODE_SETTING_IN_ENCODER		0x2
202 #define MODE_SETTING_ON_GOING		0x3
203 #define MODE_SETTING_IN_DSR		0x4
204 #define MODE_SETTING_ENCODER_DONE	0x8
205 
206 /*
207  *	Moorestown HDMI interfaces
208  */
209 
210 struct oaktrail_hdmi_dev {
211 	struct pci_dev *dev;
212 	void __iomem *regs;
213 	unsigned int mmio, mmio_len;
214 	int dpms_mode;
215 	struct hdmi_i2c_dev *i2c_dev;
216 
217 	/* register state */
218 	u32 saveDPLL_CTRL;
219 	u32 saveDPLL_DIV_CTRL;
220 	u32 saveDPLL_ADJUST;
221 	u32 saveDPLL_UPDATE;
222 	u32 saveDPLL_CLK_ENABLE;
223 	u32 savePCH_HTOTAL_B;
224 	u32 savePCH_HBLANK_B;
225 	u32 savePCH_HSYNC_B;
226 	u32 savePCH_VTOTAL_B;
227 	u32 savePCH_VBLANK_B;
228 	u32 savePCH_VSYNC_B;
229 	u32 savePCH_PIPEBCONF;
230 	u32 savePCH_PIPEBSRC;
231 };
232 
233 extern void oaktrail_hdmi_setup(struct drm_device *dev);
234 extern void oaktrail_hdmi_teardown(struct drm_device *dev);
235 extern int  oaktrail_hdmi_i2c_init(struct pci_dev *dev);
236 extern void oaktrail_hdmi_i2c_exit(struct pci_dev *dev);
237 extern void oaktrail_hdmi_save(struct drm_device *dev);
238 extern void oaktrail_hdmi_restore(struct drm_device *dev);
239 extern void oaktrail_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev);
240 extern int oaktrail_crtc_hdmi_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
241 						struct drm_display_mode *adjusted_mode, int x, int y,
242 						struct drm_framebuffer *old_fb);
243 extern void oaktrail_crtc_hdmi_dpms(struct drm_crtc *crtc, int mode);
244 
245 
246