gma500: udelay(20000) it too long again
[pandora-kernel.git] / drivers / staging / gma500 / mrst.h
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 mrst_vbt {
23         s8 signature[4];        /*4 bytes,"$GCT" */
24         u8 revision;
25         u8 size;
26         u8 checksum;
27         void *mrst_gct;
28 } __packed;
29
30 struct mrst_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 mrst_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 mrst_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 mrst_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 mrst_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 mrst_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 mrst_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 mrst_panel_descriptor_v1 panel[4];/*panel descrs,38 bytes each*/
178         union mrst_panel_rx panelrx[4]; /* panel receivers*/
179 } __packed;
180
181 struct mrst_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 mrst_panel_descriptor_v2 panel[4];/*panel descrs,38 bytes each*/
195         union mrst_panel_rx panelrx[4]; /* panel receivers*/
196 } __packed;
197
198 struct mrst_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 mrst_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 mrst_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 mrst_hdmi_setup(struct drm_device *dev);
247 extern void mrst_hdmi_teardown(struct drm_device *dev);
248 extern int  mrst_hdmi_i2c_init(struct pci_dev *dev);
249 extern void mrst_hdmi_i2c_exit(struct pci_dev *dev);
250 extern void mrst_hdmi_save(struct drm_device *dev);
251 extern void mrst_hdmi_restore(struct drm_device *dev);
252 extern void mrst_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev);