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_timing_info {
  23         u16 pixel_clock;
  24         u8 hactive_lo;
  25         u8 hblank_lo;
  26         u8 hblank_hi:4;
  27         u8 hactive_hi:4;
  28         u8 vactive_lo;
  29         u8 vblank_lo;
  30         u8 vblank_hi:4;
  31         u8 vactive_hi:4;
  32         u8 hsync_offset_lo;
  33         u8 hsync_pulse_width_lo;
  34         u8 vsync_pulse_width_lo:4;
  35         u8 vsync_offset_lo:4;
  36         u8 vsync_pulse_width_hi:2;
  37         u8 vsync_offset_hi:2;
  38         u8 hsync_pulse_width_hi:2;
  39         u8 hsync_offset_hi:2;
  40         u8 width_mm_lo;
  41         u8 height_mm_lo;
  42         u8 height_mm_hi:4;
  43         u8 width_mm_hi:4;
  44         u8 hborder;
  45         u8 vborder;
  46         u8 unknown0:1;
  47         u8 hsync_positive:1;
  48         u8 vsync_positive:1;
  49         u8 separate_sync:2;
  50         u8 stereo:1;
  51         u8 unknown6:1;
  52         u8 interlaced:1;
  53 } __packed;
  54
  55 struct gct_r10_timing_info {
  56         u16 pixel_clock;
  57         u32 hactive_lo:8;
  58         u32 hactive_hi:4;
  59         u32 hblank_lo:8;
  60         u32 hblank_hi:4;
  61         u32 hsync_offset_lo:8;
  62         u16 hsync_offset_hi:2;
  63         u16 hsync_pulse_width_lo:8;
  64         u16 hsync_pulse_width_hi:2;
  65         u16 hsync_positive:1;
  66         u16 rsvd_1:3;
  67         u8  vactive_lo:8;
  68         u16 vactive_hi:4;
  69         u16 vblank_lo:8;
  70         u16 vblank_hi:4;
  71         u16 vsync_offset_lo:4;
  72         u16 vsync_offset_hi:2;
  73         u16 vsync_pulse_width_lo:4;
  74         u16 vsync_pulse_width_hi:2;
  75         u16 vsync_positive:1;
  76         u16 rsvd_2:3;
  77 } __packed;
  78
  79 struct oaktrail_panel_descriptor_v1 {
  80         u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
  81                                 /* 0x61190 if MIPI */
  82         u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
  83         u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
  84         u32 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 dword */
  85                                                 /* Register 0x61210 */
  86         struct oaktrail_timing_info DTD;/*18 bytes, Standard definition */
  87         u16 Panel_Backlight_Inverter_Descriptor;/* 16 bits, as follows */
  88                                 /* Bit 0, Frequency, 15 bits,0 - 32767Hz */
  89                         /* Bit 15, Polarity, 1 bit, 0: Normal, 1: Inverted */
  90         u16 Panel_MIPI_Display_Descriptor;
  91                         /*16 bits, Defined as follows: */
  92                         /* if MIPI, 0x0000 if LVDS */
  93                         /* Bit 0, Type, 2 bits, */
  94                         /* 0: Type-1, */
  95                         /* 1: Type-2, */
  96                         /* 2: Type-3, */
  97                         /* 3: Type-4 */
  98                         /* Bit 2, Pixel Format, 4 bits */
  99                         /* Bit0: 16bpp (not supported in LNC), */
 100                         /* Bit1: 18bpp loosely packed, */
 101                         /* Bit2: 18bpp packed, */
 102                         /* Bit3: 24bpp */
 103                         /* Bit 6, Reserved, 2 bits, 00b */
 104                         /* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
 105                         /* Bit 14, Reserved, 2 bits, 00b */
 106 } __packed;
 107
 108 struct oaktrail_panel_descriptor_v2 {
 109         u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
 110                                 /* 0x61190 if MIPI */
 111         u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
 112         u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
 113         u8 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 byte */
 114                                                 /* Register 0x61210 */
 115         struct oaktrail_timing_info DTD;/*18 bytes, Standard definition */
 116         u16 Panel_Backlight_Inverter_Descriptor;/*16 bits, as follows*/
 117                                 /*Bit 0, Frequency, 16 bits, 0 - 32767Hz*/
 118         u8 Panel_Initial_Brightness;/* [7:0] 0 - 100% */
 119                         /*Bit 7, Polarity, 1 bit,0: Normal, 1: Inverted*/
 120         u16 Panel_MIPI_Display_Descriptor;
 121                         /*16 bits, Defined as follows: */
 122                         /* if MIPI, 0x0000 if LVDS */
 123                         /* Bit 0, Type, 2 bits, */
 124                         /* 0: Type-1, */
 125                         /* 1: Type-2, */
 126                         /* 2: Type-3, */
 127                         /* 3: Type-4 */
 128                         /* Bit 2, Pixel Format, 4 bits */
 129                         /* Bit0: 16bpp (not supported in LNC), */
 130                         /* Bit1: 18bpp loosely packed, */
 131                         /* Bit2: 18bpp packed, */
 132                         /* Bit3: 24bpp */
 133                         /* Bit 6, Reserved, 2 bits, 00b */
 134                         /* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
 135                         /* Bit 14, Reserved, 2 bits, 00b */
 136 } __packed;
 137
 138 union oaktrail_panel_rx {
 139         struct {
 140                 u16 NumberOfLanes:2; /*Num of Lanes, 2 bits,0 = 1 lane,*/
 141                         /* 1 = 2 lanes, 2 = 3 lanes, 3 = 4 lanes. */
 142                 u16 MaxLaneFreq:3; /* 0: 100MHz, 1: 200MHz, 2: 300MHz, */
 143                 /*3: 400MHz, 4: 500MHz, 5: 600MHz, 6: 700MHz, 7: 800MHz.*/
 144                 u16 SupportedVideoTransferMode:2; /*0: Non-burst only */
 145                                         /* 1: Burst and non-burst */
 146                                         /* 2/3: Reserved */
 147                 u16 HSClkBehavior:1; /*0: Continuous, 1: Non-continuous*/
 148                 u16 DuoDisplaySupport:1; /*1 bit,0: No, 1: Yes*/
 149                 u16 ECC_ChecksumCapabilities:1;/*1 bit,0: No, 1: Yes*/
 150                 u16 BidirectionalCommunication:1;/*1 bit,0: No, 1: Yes */
 151                 u16 Rsvd:5;/*5 bits,00000b */
 152         } panelrx;
 153         u16 panel_receiver;
 154 } __packed;
 155
 156 struct gct_r0 {
 157         union { /*8 bits,Defined as follows: */
 158                 struct {
 159                         u8 PanelType:4; /*4 bits, Bit field for panels*/
 160                                         /* 0 - 3: 0 = LVDS, 1 = MIPI*/
 161                                         /*2 bits,Specifies which of the*/
 162                         u8 BootPanelIndex:2;
 163                                         /* 4 panels to use by default*/
 164                         u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
 165                                         /* the 4 MIPI DSI receivers to use*/
 166                 } PD;
 167                 u8 PanelDescriptor;
 168         };
 169         struct oaktrail_panel_descriptor_v1 panel[4];/*panel descrs,38 bytes each*/
 170         union oaktrail_panel_rx panelrx[4]; /* panel receivers*/
 171 } __packed;
 172
 173 struct gct_r1 {
 174         union { /*8 bits,Defined as follows: */
 175                 struct {
 176                         u8 PanelType:4; /*4 bits, Bit field for panels*/
 177                                         /* 0 - 3: 0 = LVDS, 1 = MIPI*/
 178                                         /*2 bits,Specifies which of the*/
 179                         u8 BootPanelIndex:2;
 180                                         /* 4 panels to use by default*/
 181                         u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
 182                                         /* the 4 MIPI DSI receivers to use*/
 183                 } PD;
 184                 u8 PanelDescriptor;
 185         };
 186         struct oaktrail_panel_descriptor_v2 panel[4];/*panel descrs,38 bytes each*/
 187         union oaktrail_panel_rx panelrx[4]; /* panel receivers*/
 188 } __packed;
 189
 190 struct gct_r10 {
 191         struct gct_r10_timing_info DTD;
 192         u16 Panel_MIPI_Display_Descriptor;
 193         u16 Panel_MIPI_Receiver_Descriptor;
 194         u16 Panel_Backlight_Inverter_Descriptor;
 195         u8 Panel_Initial_Brightness;
 196         u32 MIPI_Ctlr_Init_ptr;
 197         u32 MIPI_Panel_Init_ptr;
 198 } __packed;
 199
 200 struct oaktrail_gct_data {
 201         u8 bpi; /* boot panel index, number of panel used during boot */
 202         u8 pt; /* panel type, 4 bit field, 0=lvds, 1=mipi */
 203         struct oaktrail_timing_info DTD; /* timing info for the selected panel */
 204         u32 Panel_Port_Control;
 205         u32 PP_On_Sequencing;/*1 dword,Register 0x61208,*/
 206         u32 PP_Off_Sequencing;/*1 dword,Register 0x6120C,*/
 207         u32 PP_Cycle_Delay;
 208         u16 Panel_Backlight_Inverter_Descriptor;
 209         u16 Panel_MIPI_Display_Descriptor;
 210 } __packed;
 211
 212 #define MODE_SETTING_IN_CRTC            0x1
 213 #define MODE_SETTING_IN_ENCODER         0x2
 214 #define MODE_SETTING_ON_GOING           0x3
 215 #define MODE_SETTING_IN_DSR             0x4
 216 #define MODE_SETTING_ENCODER_DONE       0x8
 217
 218 /*
 219  *      Moorestown HDMI interfaces
 220  */
 221
 222 struct oaktrail_hdmi_dev {
 223         struct pci_dev *dev;
 224         void __iomem *regs;
 225         unsigned int mmio, mmio_len;
 226         int dpms_mode;
 227         struct hdmi_i2c_dev *i2c_dev;
 228
 229         /* register state */
 230         u32 saveDPLL_CTRL;
 231         u32 saveDPLL_DIV_CTRL;
 232         u32 saveDPLL_ADJUST;
 233         u32 saveDPLL_UPDATE;
 234         u32 saveDPLL_CLK_ENABLE;
 235         u32 savePCH_HTOTAL_B;
 236         u32 savePCH_HBLANK_B;
 237         u32 savePCH_HSYNC_B;
 238         u32 savePCH_VTOTAL_B;
 239         u32 savePCH_VBLANK_B;
 240         u32 savePCH_VSYNC_B;
 241         u32 savePCH_PIPEBCONF;
 242         u32 savePCH_PIPEBSRC;
 243 };
 244
 245 extern void oaktrail_hdmi_setup(struct drm_device *dev);
 246 extern void oaktrail_hdmi_teardown(struct drm_device *dev);
 247 extern int  oaktrail_hdmi_i2c_init(struct pci_dev *dev);
 248 extern void oaktrail_hdmi_i2c_exit(struct pci_dev *dev);
 249 extern void oaktrail_hdmi_save(struct drm_device *dev);
 250 extern void oaktrail_hdmi_restore(struct drm_device *dev);
 251 extern void oaktrail_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev);
 252 extern int oaktrail_crtc_hdmi_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
 253                                                 struct drm_display_mode *adjusted_mode, int x, int y,
 254                                                 struct drm_framebuffer *old_fb);
 255 extern void oaktrail_crtc_hdmi_dpms(struct drm_crtc *crtc, int mode);
 256
 257