1 /**************************************************************************
2  * Copyright (c) 2007-2011, Intel Corporation.
3  * All Rights Reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms and conditions of the GNU General Public License,
7  * version 2, as published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  *
14  * You should have received a copy of the GNU General Public License along with
15  * this program; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
17  *
18  **************************************************************************/
19 
20 /* MID device specific descriptors */
21 
22 struct oaktrail_vbt {
23 	s8 signature[4];	/*4 bytes,"$GCT" */
24 	u8 revision;
25 	u8 size;
26 	u8 checksum;
27 	void *oaktrail_gct;
28 } __packed;
29 
30 struct oaktrail_timing_info {
31 	u16 pixel_clock;
32 	u8 hactive_lo;
33 	u8 hblank_lo;
34 	u8 hblank_hi:4;
35 	u8 hactive_hi:4;
36 	u8 vactive_lo;
37 	u8 vblank_lo;
38 	u8 vblank_hi:4;
39 	u8 vactive_hi:4;
40 	u8 hsync_offset_lo;
41 	u8 hsync_pulse_width_lo;
42 	u8 vsync_pulse_width_lo:4;
43 	u8 vsync_offset_lo:4;
44 	u8 vsync_pulse_width_hi:2;
45 	u8 vsync_offset_hi:2;
46 	u8 hsync_pulse_width_hi:2;
47 	u8 hsync_offset_hi:2;
48 	u8 width_mm_lo;
49 	u8 height_mm_lo;
50 	u8 height_mm_hi:4;
51 	u8 width_mm_hi:4;
52 	u8 hborder;
53 	u8 vborder;
54 	u8 unknown0:1;
55 	u8 hsync_positive:1;
56 	u8 vsync_positive:1;
57 	u8 separate_sync:2;
58 	u8 stereo:1;
59 	u8 unknown6:1;
60 	u8 interlaced:1;
61 } __packed;
62 
63 struct gct_r10_timing_info {
64 	u16 pixel_clock;
65 	u32 hactive_lo:8;
66 	u32 hactive_hi:4;
67 	u32 hblank_lo:8;
68 	u32 hblank_hi:4;
69 	u32 hsync_offset_lo:8;
70 	u16 hsync_offset_hi:2;
71 	u16 hsync_pulse_width_lo:8;
72 	u16 hsync_pulse_width_hi:2;
73 	u16 hsync_positive:1;
74 	u16 rsvd_1:3;
75 	u8  vactive_lo:8;
76 	u16 vactive_hi:4;
77 	u16 vblank_lo:8;
78 	u16 vblank_hi:4;
79 	u16 vsync_offset_lo:4;
80 	u16 vsync_offset_hi:2;
81 	u16 vsync_pulse_width_lo:4;
82 	u16 vsync_pulse_width_hi:2;
83 	u16 vsync_positive:1;
84 	u16 rsvd_2:3;
85 } __packed;
86 
87 struct oaktrail_panel_descriptor_v1 {
88 	u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
89 				/* 0x61190 if MIPI */
90 	u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
91 	u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
92 	u32 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 dword */
93 						/* Register 0x61210 */
94 	struct oaktrail_timing_info DTD;/*18 bytes, Standard definition */
95 	u16 Panel_Backlight_Inverter_Descriptor;/* 16 bits, as follows */
96 				/* Bit 0, Frequency, 15 bits,0 - 32767Hz */
97 			/* Bit 15, Polarity, 1 bit, 0: Normal, 1: Inverted */
98 	u16 Panel_MIPI_Display_Descriptor;
99 			/*16 bits, Defined as follows: */
100 			/* if MIPI, 0x0000 if LVDS */
101 			/* Bit 0, Type, 2 bits, */
102 			/* 0: Type-1, */
103 			/* 1: Type-2, */
104 			/* 2: Type-3, */
105 			/* 3: Type-4 */
106 			/* Bit 2, Pixel Format, 4 bits */
107 			/* Bit0: 16bpp (not supported in LNC), */
108 			/* Bit1: 18bpp loosely packed, */
109 			/* Bit2: 18bpp packed, */
110 			/* Bit3: 24bpp */
111 			/* Bit 6, Reserved, 2 bits, 00b */
112 			/* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
113 			/* Bit 14, Reserved, 2 bits, 00b */
114 } __packed;
115 
116 struct oaktrail_panel_descriptor_v2 {
117 	u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
118 				/* 0x61190 if MIPI */
119 	u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
120 	u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
121 	u8 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 byte */
122 						/* Register 0x61210 */
123 	struct oaktrail_timing_info DTD;/*18 bytes, Standard definition */
124 	u16 Panel_Backlight_Inverter_Descriptor;/*16 bits, as follows*/
125 				/*Bit 0, Frequency, 16 bits, 0 - 32767Hz*/
126 	u8 Panel_Initial_Brightness;/* [7:0] 0 - 100% */
127 			/*Bit 7, Polarity, 1 bit,0: Normal, 1: Inverted*/
128 	u16 Panel_MIPI_Display_Descriptor;
129 			/*16 bits, Defined as follows: */
130 			/* if MIPI, 0x0000 if LVDS */
131 			/* Bit 0, Type, 2 bits, */
132 			/* 0: Type-1, */
133 			/* 1: Type-2, */
134 			/* 2: Type-3, */
135 			/* 3: Type-4 */
136 			/* Bit 2, Pixel Format, 4 bits */
137 			/* Bit0: 16bpp (not supported in LNC), */
138 			/* Bit1: 18bpp loosely packed, */
139 			/* Bit2: 18bpp packed, */
140 			/* Bit3: 24bpp */
141 			/* Bit 6, Reserved, 2 bits, 00b */
142 			/* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
143 			/* Bit 14, Reserved, 2 bits, 00b */
144 } __packed;
145 
146 union oaktrail_panel_rx {
147 	struct {
148 		u16 NumberOfLanes:2; /*Num of Lanes, 2 bits,0 = 1 lane,*/
149 			/* 1 = 2 lanes, 2 = 3 lanes, 3 = 4 lanes. */
150 		u16 MaxLaneFreq:3; /* 0: 100MHz, 1: 200MHz, 2: 300MHz, */
151 		/*3: 400MHz, 4: 500MHz, 5: 600MHz, 6: 700MHz, 7: 800MHz.*/
152 		u16 SupportedVideoTransferMode:2; /*0: Non-burst only */
153 					/* 1: Burst and non-burst */
154 					/* 2/3: Reserved */
155 		u16 HSClkBehavior:1; /*0: Continuous, 1: Non-continuous*/
156 		u16 DuoDisplaySupport:1; /*1 bit,0: No, 1: Yes*/
157 		u16 ECC_ChecksumCapabilities:1;/*1 bit,0: No, 1: Yes*/
158 		u16 BidirectionalCommunication:1;/*1 bit,0: No, 1: Yes */
159 		u16 Rsvd:5;/*5 bits,00000b */
160 	} panelrx;
161 	u16 panel_receiver;
162 } __packed;
163 
164 struct oaktrail_gct_v1 {
165 	union { /*8 bits,Defined as follows: */
166 		struct {
167 			u8 PanelType:4; /*4 bits, Bit field for panels*/
168 					/* 0 - 3: 0 = LVDS, 1 = MIPI*/
169 					/*2 bits,Specifies which of the*/
170 			u8 BootPanelIndex:2;
171 					/* 4 panels to use by default*/
172 			u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
173 					/* the 4 MIPI DSI receivers to use*/
174 		} PD;
175 		u8 PanelDescriptor;
176 	};
177 	struct oaktrail_panel_descriptor_v1 panel[4];/*panel descrs,38 bytes each*/
178 	union oaktrail_panel_rx panelrx[4]; /* panel receivers*/
179 } __packed;
180 
181 struct oaktrail_gct_v2 {
182 	union { /*8 bits,Defined as follows: */
183 		struct {
184 			u8 PanelType:4; /*4 bits, Bit field for panels*/
185 					/* 0 - 3: 0 = LVDS, 1 = MIPI*/
186 					/*2 bits,Specifies which of the*/
187 			u8 BootPanelIndex:2;
188 					/* 4 panels to use by default*/
189 			u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
190 					/* the 4 MIPI DSI receivers to use*/
191 		} PD;
192 		u8 PanelDescriptor;
193 	};
194 	struct oaktrail_panel_descriptor_v2 panel[4];/*panel descrs,38 bytes each*/
195 	union oaktrail_panel_rx panelrx[4]; /* panel receivers*/
196 } __packed;
197 
198 struct oaktrail_gct_data {
199 	u8 bpi; /* boot panel index, number of panel used during boot */
200 	u8 pt; /* panel type, 4 bit field, 0=lvds, 1=mipi */
201 	struct oaktrail_timing_info DTD; /* timing info for the selected panel */
202 	u32 Panel_Port_Control;
203 	u32 PP_On_Sequencing;/*1 dword,Register 0x61208,*/
204 	u32 PP_Off_Sequencing;/*1 dword,Register 0x6120C,*/
205 	u32 PP_Cycle_Delay;
206 	u16 Panel_Backlight_Inverter_Descriptor;
207 	u16 Panel_MIPI_Display_Descriptor;
208 } __packed;
209 
210 #define MODE_SETTING_IN_CRTC		0x1
211 #define MODE_SETTING_IN_ENCODER		0x2
212 #define MODE_SETTING_ON_GOING		0x3
213 #define MODE_SETTING_IN_DSR		0x4
214 #define MODE_SETTING_ENCODER_DONE	0x8
215 
216 #define GCT_R10_HEADER_SIZE		16
217 #define GCT_R10_DISPLAY_DESC_SIZE	28
218 
219 /*
220  *	Moorestown HDMI interfaces
221  */
222 
223 struct oaktrail_hdmi_dev {
224 	struct pci_dev *dev;
225 	void __iomem *regs;
226 	unsigned int mmio, mmio_len;
227 	int dpms_mode;
228 	struct hdmi_i2c_dev *i2c_dev;
229 
230 	/* register state */
231 	u32 saveDPLL_CTRL;
232 	u32 saveDPLL_DIV_CTRL;
233 	u32 saveDPLL_ADJUST;
234 	u32 saveDPLL_UPDATE;
235 	u32 saveDPLL_CLK_ENABLE;
236 	u32 savePCH_HTOTAL_B;
237 	u32 savePCH_HBLANK_B;
238 	u32 savePCH_HSYNC_B;
239 	u32 savePCH_VTOTAL_B;
240 	u32 savePCH_VBLANK_B;
241 	u32 savePCH_VSYNC_B;
242 	u32 savePCH_PIPEBCONF;
243 	u32 savePCH_PIPEBSRC;
244 };
245 
246 extern void oaktrail_hdmi_setup(struct drm_device *dev);
247 extern void oaktrail_hdmi_teardown(struct drm_device *dev);
248 extern int  oaktrail_hdmi_i2c_init(struct pci_dev *dev);
249 extern void oaktrail_hdmi_i2c_exit(struct pci_dev *dev);
250 extern void oaktrail_hdmi_save(struct drm_device *dev);
251 extern void oaktrail_hdmi_restore(struct drm_device *dev);
252 extern void oaktrail_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev);
253