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
22struct 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
30struct 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
63struct 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
87struct 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
116struct 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
146union 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
164struct 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
181struct 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
198struct 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
223struct 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
246extern void oaktrail_hdmi_setup(struct drm_device *dev);
247extern void oaktrail_hdmi_teardown(struct drm_device *dev);
248extern int  oaktrail_hdmi_i2c_init(struct pci_dev *dev);
249extern void oaktrail_hdmi_i2c_exit(struct pci_dev *dev);
250extern void oaktrail_hdmi_save(struct drm_device *dev);
251extern void oaktrail_hdmi_restore(struct drm_device *dev);
252extern void oaktrail_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev);
253