1  /* SPDX-License-Identifier: GPL-2.0-only */
2  /**************************************************************************
3   * Copyright (c) 2007-2011, Intel Corporation.
4   * All Rights Reserved.
5   *
6   **************************************************************************/
7  
8  struct psb_intel_mode_device;
9  
10  /* MID device specific descriptors */
11  
12  struct oaktrail_timing_info {
13  	u16 pixel_clock;
14  	u8 hactive_lo;
15  	u8 hblank_lo;
16  	u8 hblank_hi:4;
17  	u8 hactive_hi:4;
18  	u8 vactive_lo;
19  	u8 vblank_lo;
20  	u8 vblank_hi:4;
21  	u8 vactive_hi:4;
22  	u8 hsync_offset_lo;
23  	u8 hsync_pulse_width_lo;
24  	u8 vsync_pulse_width_lo:4;
25  	u8 vsync_offset_lo:4;
26  	u8 vsync_pulse_width_hi:2;
27  	u8 vsync_offset_hi:2;
28  	u8 hsync_pulse_width_hi:2;
29  	u8 hsync_offset_hi:2;
30  	u8 width_mm_lo;
31  	u8 height_mm_lo;
32  	u8 height_mm_hi:4;
33  	u8 width_mm_hi:4;
34  	u8 hborder;
35  	u8 vborder;
36  	u8 unknown0:1;
37  	u8 hsync_positive:1;
38  	u8 vsync_positive:1;
39  	u8 separate_sync:2;
40  	u8 stereo:1;
41  	u8 unknown6:1;
42  	u8 interlaced:1;
43  } __packed;
44  
45  struct gct_r10_timing_info {
46  	u16 pixel_clock;
47  	u32 hactive_lo:8;
48  	u32 hactive_hi:4;
49  	u32 hblank_lo:8;
50  	u32 hblank_hi:4;
51  	u32 hsync_offset_lo:8;
52  	u16 hsync_offset_hi:2;
53  	u16 hsync_pulse_width_lo:8;
54  	u16 hsync_pulse_width_hi:2;
55  	u16 hsync_positive:1;
56  	u16 rsvd_1:3;
57  	u8  vactive_lo:8;
58  	u16 vactive_hi:4;
59  	u16 vblank_lo:8;
60  	u16 vblank_hi:4;
61  	u16 vsync_offset_lo:4;
62  	u16 vsync_offset_hi:2;
63  	u16 vsync_pulse_width_lo:4;
64  	u16 vsync_pulse_width_hi:2;
65  	u16 vsync_positive:1;
66  	u16 rsvd_2:3;
67  } __packed;
68  
69  struct oaktrail_panel_descriptor_v1 {
70  	u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
71  				/* 0x61190 if MIPI */
72  	u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
73  	u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
74  	u32 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 dword */
75  						/* Register 0x61210 */
76  	struct oaktrail_timing_info DTD;/*18 bytes, Standard definition */
77  	u16 Panel_Backlight_Inverter_Descriptor;/* 16 bits, as follows */
78  				/* Bit 0, Frequency, 15 bits,0 - 32767Hz */
79  			/* Bit 15, Polarity, 1 bit, 0: Normal, 1: Inverted */
80  	u16 Panel_MIPI_Display_Descriptor;
81  			/*16 bits, Defined as follows: */
82  			/* if MIPI, 0x0000 if LVDS */
83  			/* Bit 0, Type, 2 bits, */
84  			/* 0: Type-1, */
85  			/* 1: Type-2, */
86  			/* 2: Type-3, */
87  			/* 3: Type-4 */
88  			/* Bit 2, Pixel Format, 4 bits */
89  			/* Bit0: 16bpp (not supported in LNC), */
90  			/* Bit1: 18bpp loosely packed, */
91  			/* Bit2: 18bpp packed, */
92  			/* Bit3: 24bpp */
93  			/* Bit 6, Reserved, 2 bits, 00b */
94  			/* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
95  			/* Bit 14, Reserved, 2 bits, 00b */
96  } __packed;
97  
98  struct oaktrail_panel_descriptor_v2 {
99  	u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
100  				/* 0x61190 if MIPI */
101  	u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
102  	u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
103  	u8 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 byte */
104  						/* Register 0x61210 */
105  	struct oaktrail_timing_info DTD;/*18 bytes, Standard definition */
106  	u16 Panel_Backlight_Inverter_Descriptor;/*16 bits, as follows*/
107  				/*Bit 0, Frequency, 16 bits, 0 - 32767Hz*/
108  	u8 Panel_Initial_Brightness;/* [7:0] 0 - 100% */
109  			/*Bit 7, Polarity, 1 bit,0: Normal, 1: Inverted*/
110  	u16 Panel_MIPI_Display_Descriptor;
111  			/*16 bits, Defined as follows: */
112  			/* if MIPI, 0x0000 if LVDS */
113  			/* Bit 0, Type, 2 bits, */
114  			/* 0: Type-1, */
115  			/* 1: Type-2, */
116  			/* 2: Type-3, */
117  			/* 3: Type-4 */
118  			/* Bit 2, Pixel Format, 4 bits */
119  			/* Bit0: 16bpp (not supported in LNC), */
120  			/* Bit1: 18bpp loosely packed, */
121  			/* Bit2: 18bpp packed, */
122  			/* Bit3: 24bpp */
123  			/* Bit 6, Reserved, 2 bits, 00b */
124  			/* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
125  			/* Bit 14, Reserved, 2 bits, 00b */
126  } __packed;
127  
128  union oaktrail_panel_rx {
129  	struct {
130  		u16 NumberOfLanes:2; /*Num of Lanes, 2 bits,0 = 1 lane,*/
131  			/* 1 = 2 lanes, 2 = 3 lanes, 3 = 4 lanes. */
132  		u16 MaxLaneFreq:3; /* 0: 100MHz, 1: 200MHz, 2: 300MHz, */
133  		/*3: 400MHz, 4: 500MHz, 5: 600MHz, 6: 700MHz, 7: 800MHz.*/
134  		u16 SupportedVideoTransferMode:2; /*0: Non-burst only */
135  					/* 1: Burst and non-burst */
136  					/* 2/3: Reserved */
137  		u16 HSClkBehavior:1; /*0: Continuous, 1: Non-continuous*/
138  		u16 DuoDisplaySupport:1; /*1 bit,0: No, 1: Yes*/
139  		u16 ECC_ChecksumCapabilities:1;/*1 bit,0: No, 1: Yes*/
140  		u16 BidirectionalCommunication:1;/*1 bit,0: No, 1: Yes */
141  		u16 Rsvd:5;/*5 bits,00000b */
142  	} panelrx;
143  	u16 panel_receiver;
144  } __packed;
145  
146  struct gct_r0 {
147  	union { /*8 bits,Defined as follows: */
148  		struct {
149  			u8 PanelType:4; /*4 bits, Bit field for panels*/
150  					/* 0 - 3: 0 = LVDS, 1 = MIPI*/
151  					/*2 bits,Specifies which of the*/
152  			u8 BootPanelIndex:2;
153  					/* 4 panels to use by default*/
154  			u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
155  					/* the 4 MIPI DSI receivers to use*/
156  		} PD;
157  		u8 PanelDescriptor;
158  	};
159  	struct oaktrail_panel_descriptor_v1 panel[4];/*panel descrs,38 bytes each*/
160  	union oaktrail_panel_rx panelrx[4]; /* panel receivers*/
161  } __packed;
162  
163  struct gct_r1 {
164  	union { /*8 bits,Defined as follows: */
165  		struct {
166  			u8 PanelType:4; /*4 bits, Bit field for panels*/
167  					/* 0 - 3: 0 = LVDS, 1 = MIPI*/
168  					/*2 bits,Specifies which of the*/
169  			u8 BootPanelIndex:2;
170  					/* 4 panels to use by default*/
171  			u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
172  					/* the 4 MIPI DSI receivers to use*/
173  		} PD;
174  		u8 PanelDescriptor;
175  	};
176  	struct oaktrail_panel_descriptor_v2 panel[4];/*panel descrs,38 bytes each*/
177  	union oaktrail_panel_rx panelrx[4]; /* panel receivers*/
178  } __packed;
179  
180  struct gct_r10 {
181  	struct gct_r10_timing_info DTD;
182  	u16 Panel_MIPI_Display_Descriptor;
183  	u16 Panel_MIPI_Receiver_Descriptor;
184  	u16 Panel_Backlight_Inverter_Descriptor;
185  	u8 Panel_Initial_Brightness;
186  	u32 MIPI_Ctlr_Init_ptr;
187  	u32 MIPI_Panel_Init_ptr;
188  } __packed;
189  
190  struct oaktrail_gct_data {
191  	u8 bpi; /* boot panel index, number of panel used during boot */
192  	u8 pt; /* panel type, 4 bit field, 0=lvds, 1=mipi */
193  	struct oaktrail_timing_info DTD; /* timing info for the selected panel */
194  	u32 Panel_Port_Control;
195  	u32 PP_On_Sequencing;/*1 dword,Register 0x61208,*/
196  	u32 PP_Off_Sequencing;/*1 dword,Register 0x6120C,*/
197  	u32 PP_Cycle_Delay;
198  	u16 Panel_Backlight_Inverter_Descriptor;
199  	u16 Panel_MIPI_Display_Descriptor;
200  } __packed;
201  
202  #define MODE_SETTING_IN_CRTC		0x1
203  #define MODE_SETTING_IN_ENCODER		0x2
204  #define MODE_SETTING_ON_GOING		0x3
205  #define MODE_SETTING_IN_DSR		0x4
206  #define MODE_SETTING_ENCODER_DONE	0x8
207  
208  /*
209   *	Moorestown HDMI interfaces
210   */
211  
212  struct oaktrail_hdmi_dev {
213  	struct pci_dev *dev;
214  	void __iomem *regs;
215  	unsigned int mmio, mmio_len;
216  	int dpms_mode;
217  	struct hdmi_i2c_dev *i2c_dev;
218  
219  	/* register state */
220  	u32 saveDPLL_CTRL;
221  	u32 saveDPLL_DIV_CTRL;
222  	u32 saveDPLL_ADJUST;
223  	u32 saveDPLL_UPDATE;
224  	u32 saveDPLL_CLK_ENABLE;
225  	u32 savePCH_HTOTAL_B;
226  	u32 savePCH_HBLANK_B;
227  	u32 savePCH_HSYNC_B;
228  	u32 savePCH_VTOTAL_B;
229  	u32 savePCH_VBLANK_B;
230  	u32 savePCH_VSYNC_B;
231  	u32 savePCH_PIPEBCONF;
232  	u32 savePCH_PIPEBSRC;
233  };
234  
235  extern void oaktrail_hdmi_setup(struct drm_device *dev);
236  extern void oaktrail_hdmi_teardown(struct drm_device *dev);
237  extern int  oaktrail_hdmi_i2c_init(struct pci_dev *dev);
238  extern void oaktrail_hdmi_i2c_exit(struct pci_dev *dev);
239  extern void oaktrail_hdmi_save(struct drm_device *dev);
240  extern void oaktrail_hdmi_restore(struct drm_device *dev);
241  extern void oaktrail_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev);
242  extern int oaktrail_crtc_hdmi_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
243  						struct drm_display_mode *adjusted_mode, int x, int y,
244  						struct drm_framebuffer *old_fb);
245  extern void oaktrail_crtc_hdmi_dpms(struct drm_crtc *crtc, int mode);
246  
247  
248