drivers/gpu/drm/gma500/oaktrail.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 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);