6 #define DUMP_REGISTERS 1
7 #define VERSION ((0<<8)|10)
14 #include <api_drv_video.h>
15 #include <lib/keyvalue.h>
16 #include <options.h> // ARM Arch
19 #define ABS(a) ((a)>0?(a):-(a))
23 int Tegra2Vid_Install(char **Arguments);
24 void Tegra2Vid_Uninstall();
27 size_t Tegra2Vid_Read(tVFS_Node *node, off_t off, size_t len, void *buffer);
28 size_t Tegra2Vid_Write(tVFS_Node *node, off_t off, size_t len, const void *buffer);
29 int Tegra2Vid_IOCtl(tVFS_Node *node, int id, void *data);
31 int Tegra2Vid_int_SetMode(int Mode);
34 MODULE_DEFINE(0, VERSION, Tegra2Vid, Tegra2Vid_Install, NULL, NULL);
35 tVFS_NodeType gTegra2Vid_NodeType = {
36 .Read = Tegra2Vid_Read,
37 .Write = Tegra2Vid_Write,
38 .IOCtl = Tegra2Vid_IOCtl
40 tDevFS_Driver gTegra2Vid_DriverStruct = {
42 {.Type = &gTegra2Vid_NodeType}
45 tPAddr gTegra2Vid_PhysBase = TEGRA2VID_BASE;
46 int gbTegra2Vid_IsVersatile = 1;
47 // -- KeyVal parse rules
48 const tKeyVal_ParseRules gTegra2Vid_KeyValueParser = {
51 {"Base", "P", &gTegra2Vid_PhysBase},
56 int giTegra2Vid_CurrentMode = 0;
57 int giTegra2Vid_BufferMode;
58 size_t giTegra2Vid_FramebufferSize;
59 Uint32 *gpTegra2Vid_IOMem;
60 tPAddr gTegra2Vid_FramebufferPhys;
61 void *gpTegra2Vid_Framebuffer;
63 tDrvUtil_Video_BufInfo gTegra2Vid_DrvUtil_BufInfo;
64 tVideo_IOCtl_Pos gTegra2Vid_CursorPos;
67 inline void _dumpreg(int i)
69 Log_Debug("Tegra2Vid", "[0x%03x] = 0x%08x (%s)", i, gpTegra2Vid_IOMem[i],
70 (csaTegra2Vid_RegisterNames[i] ? csaTegra2Vid_RegisterNames[i] : "-"));
74 int Tegra2Vid_Install(char **Arguments)
76 // return MODULE_ERR_NOTNEEDED;
77 // KeyVal_Parse(&gTegra2Vid_KeyValueParser, Arguments);
79 gpTegra2Vid_IOMem = (void*)MM_MapHWPages(gTegra2Vid_PhysBase, 256/4);
82 Log_Debug("Tegra2Vid", "Display CMD Registers");
83 for( int i = 0x000; i <= 0x01A; i ++ ) _dumpreg(i);
84 for( int i = 0x028; i <= 0x043; i ++ ) _dumpreg(i);
85 Log_Debug("Tegra2Vid", "Display COM Registers");
86 for( int i = 0x300; i <= 0x329; i ++ ) _dumpreg(i);
87 Log_Debug("Tegra2Vid", "Display DISP Registers");
88 for( int i = 0x400; i <= 0x446; i ++ ) _dumpreg(i);
89 for( int i = 0x480; i <= 0x484; i ++ ) _dumpreg(i);
90 for( int i = 0x4C0; i <= 0x4C1; i ++ ) _dumpreg(i);
91 Log_Debug("Tegra2Vid", "WINC_A Registers");
92 for( int i = 0x700; i <= 0x714; i ++ ) _dumpreg(i);
93 Log_Debug("Tegra2Vid", "WINBUF_A");
94 for( int i = 0x800; i <= 0x80A; i ++ ) _dumpreg(i);
101 int w = 1680, h = 1050;
102 gpTegra2Vid_IOMem[DC_DISP_DISP_ACTIVE_0] = (h << 16) | w;
103 gpTegra2Vid_IOMem[DC_WIN_A_SIZE_0] = (h << 16) | w;
104 gpTegra2Vid_IOMem[DC_WIN_A_PRESCALED_SIZE_0] = (h << 16) | w;
108 giTegra2Vid_FramebufferSize =
109 (gpTegra2Vid_IOMem[DC_WIN_A_SIZE_0]&0xFFFF)
110 *(gpTegra2Vid_IOMem[DC_WIN_A_SIZE_0]>>16)*4;
112 Log_Debug("Tegra2Vid", "giTegra2Vid_FramebufferSize = 0x%x", giTegra2Vid_FramebufferSize);
113 gpTegra2Vid_Framebuffer = (void*)MM_MapHWPages(
114 gpTegra2Vid_IOMem[DC_WINBUF_A_START_ADDR_0],
115 (giTegra2Vid_FramebufferSize+PAGE_SIZE-1)/PAGE_SIZE
117 memset(gpTegra2Vid_Framebuffer, 0xFF, 0x1000);
119 // gpTegra2Vid_IOMem[DC_WIN_A_WIN_OPTIONS_0] = (1 << 30);
120 // gpTegra2Vid_IOMem[DC_WIN_A_COLOR_DEPTH_0] = 12; // Could be 13 (BGR/RGB)
121 // gpTegra2Vid_IOMem[DC_WIN_A_PRESCALED_SIZE_0] = gpTegra2Vid_IOMem[DC_WIN_A_SIZE_0];
122 gpTegra2Vid_IOMem[DC_WIN_A_LINE_STRIDE_0] = 1024*2;
123 gTegra2Vid_DrvUtil_BufInfo.Width = 1024;
124 gTegra2Vid_DrvUtil_BufInfo.Height = 768;
125 gTegra2Vid_DrvUtil_BufInfo.Pitch = 1024*2;
126 gTegra2Vid_DrvUtil_BufInfo.Depth = 16;
127 gTegra2Vid_DrvUtil_BufInfo.Framebuffer = gpTegra2Vid_Framebuffer;
130 // Tegra2Vid_int_SetMode(4);
132 DevFS_AddDevice( &gTegra2Vid_DriverStruct );
138 * \brief Clean up resources for driver unloading
140 void Tegra2Vid_Uninstall()
145 * \brief Read from the framebuffer
147 size_t Tegra2Vid_Read(tVFS_Node *node, off_t off, size_t len, void *buffer)
153 * \brief Write to the framebuffer
155 size_t Tegra2Vid_Write(tVFS_Node *Node, off_t Offset, size_t Length, const void *Buffer)
157 gTegra2Vid_DrvUtil_BufInfo.BufferFormat = giTegra2Vid_BufferMode;
158 return DrvUtil_Video_WriteLFB(&gTegra2Vid_DrvUtil_BufInfo, Offset, Length, Buffer);
161 const char *csaTegra2Vid_IOCtls[] = {DRV_IOCTLNAMES, DRV_VIDEO_IOCTLNAMES, NULL};
164 * \brief Handle messages to the device
166 int Tegra2Vid_IOCtl(tVFS_Node *Node, int ID, void *Data)
169 ENTER("pNode iID pData", Node, ID, Data);
173 BASE_IOCTLS(DRV_TYPE_VIDEO, "PL110", VERSION, csaTegra2Vid_IOCtls);
175 case VIDEO_IOCTL_SETBUFFORMAT:
176 DrvUtil_Video_RemoveCursor( &gTegra2Vid_DrvUtil_BufInfo );
177 ret = giTegra2Vid_BufferMode;
178 if(Data) giTegra2Vid_BufferMode = *(int*)Data;
179 if(gTegra2Vid_DrvUtil_BufInfo.BufferFormat == VIDEO_BUFFMT_TEXT)
180 DrvUtil_Video_SetCursor( &gTegra2Vid_DrvUtil_BufInfo, &gDrvUtil_TextModeCursor );
183 case VIDEO_IOCTL_GETSETMODE:
188 if( !CheckMem(Data, sizeof(int)) )
191 newMode = *(int*)Data;
193 if(newMode < 0 || newMode >= ciTegra2Vid_ModeCount)
196 if(newMode != giTegra2Vid_CurrentMode)
198 giTegra2Vid_CurrentMode = newMode;
199 Tegra2Vid_int_SetMode( newMode );
202 ret = giTegra2Vid_CurrentMode;
205 case VIDEO_IOCTL_FINDMODE:
207 tVideo_IOCtl_Mode *mode = Data;
208 int closest=0, closestArea, reqArea = 0;
209 if(!Data || !CheckMem(Data, sizeof(tVideo_IOCtl_Mode)))
211 if( mode->bpp != 32 )
213 if( mode->flags != 0 )
223 for( int i = 0; i < ciTegra2Vid_ModeCount; i ++ )
226 if(mode->width == caTegra2Vid_Modes[i].W && mode->height == caTegra2Vid_Modes[i].H) {
232 area = caTegra2Vid_Modes[i].W * caTegra2Vid_Modes[i].H;
234 reqArea = mode->width * mode->height;
238 else if( ABS(area - reqArea) < ABS(closestArea - reqArea) ) {
249 mode->width = caTegra2Vid_Modes[mode->id].W;
250 mode->height = caTegra2Vid_Modes[mode->id].H;
254 case VIDEO_IOCTL_MODEINFO:
256 tVideo_IOCtl_Mode *mode = Data;
257 if(!Data || !CheckMem(Data, sizeof(tVideo_IOCtl_Mode)))
259 if(mode->id < 0 || mode->id >= ciTegra2Vid_ModeCount)
265 mode->width = caTegra2Vid_Modes[mode->id].W;
266 mode->height = caTegra2Vid_Modes[mode->id].H;
272 case VIDEO_IOCTL_SETCURSOR:
273 if( !Data || !CheckMem(Data, sizeof(tVideo_IOCtl_Pos)) )
276 DrvUtil_Video_RemoveCursor( &gTegra2Vid_DrvUtil_BufInfo );
278 gTegra2Vid_CursorPos = *(tVideo_IOCtl_Pos*)Data;
279 if(gTegra2Vid_DrvUtil_BufInfo.BufferFormat == VIDEO_BUFFMT_TEXT)
280 DrvUtil_Video_DrawCursor(
281 &gTegra2Vid_DrvUtil_BufInfo,
282 gTegra2Vid_CursorPos.x*giVT_CharWidth,
283 gTegra2Vid_CursorPos.y*giVT_CharHeight
286 DrvUtil_Video_DrawCursor(
287 &gTegra2Vid_DrvUtil_BufInfo,
288 gTegra2Vid_CursorPos.x,
289 gTegra2Vid_CursorPos.y
306 int Tegra2Vid_int_SetMode(int Mode)
308 const struct sTegra2_Disp_Mode *mode = &caTegra2Vid_Modes[Mode];
309 int w = mode->W, h = mode->H; // Horizontal/Vertical Active
310 *(Uint32*)(gpTegra2Vid_IOMem + DC_DISP_FRONT_PORCH_0) = (mode->VFP << 16) | mode->HFP;
311 *(Uint32*)(gpTegra2Vid_IOMem + DC_DISP_SYNC_WIDTH_0) = (mode->HS << 16) | mode->HS;
312 *(Uint32*)(gpTegra2Vid_IOMem + DC_DISP_BACK_PORCH_0) = (mode->VBP << 16) | mode->HBP;
313 *(Uint32*)(gpTegra2Vid_IOMem + DC_DISP_DISP_ACTIVE_0) = (mode->H << 16) | mode->W;
315 *(Uint32*)(gpTegra2Vid_IOMem + DC_WIN_A_POSITION_0) = 0;
316 *(Uint32*)(gpTegra2Vid_IOMem + DC_WIN_A_SIZE_0) = (h << 16) | w;
317 *(Uint32*)(gpTegra2Vid_IOMem + DC_DISP_DISP_COLOR_CONTROL_0) = 0x8; // BASE888
318 *(Uint32*)(gpTegra2Vid_IOMem + DC_WIN_A_COLOR_DEPTH_0) = 12; // Could be 13 (BGR/RGB)
319 *(Uint32*)(gpTegra2Vid_IOMem + DC_WIN_A_PRESCALED_SIZE_0) = (h << 16) | w;
321 Log_Debug("Tegra2Vid", "Mode %i (%ix%i) selected", Mode, w, h);
323 if( !gpTegra2Vid_Framebuffer || w*h*4 != giTegra2Vid_FramebufferSize )
325 if( gpTegra2Vid_Framebuffer )
327 // TODO: Free framebuffer for reallocation
330 giTegra2Vid_FramebufferSize = w*h*4;
332 gpTegra2Vid_Framebuffer = (void*)MM_AllocDMA(
333 (giTegra2Vid_FramebufferSize + PAGE_SIZE-1) / PAGE_SIZE,
335 &gTegra2Vid_FramebufferPhys
337 // TODO: Catch allocation failures
338 Log_Debug("Tegra2Vid", "0x%x byte framebuffer at %p (%P phys)",
339 giTegra2Vid_FramebufferSize,
340 gpTegra2Vid_Framebuffer,
341 gTegra2Vid_FramebufferPhys
345 *(Uint32*)(gpTegra2Vid_IOMem + DC_WINBUF_A_START_ADDR_0) = gTegra2Vid_FramebufferPhys;
346 *(Uint32*)(gpTegra2Vid_IOMem + DC_WINBUF_A_ADDR_V_OFFSET_0) = 0; // Y offset
347 *(Uint32*)(gpTegra2Vid_IOMem + DC_WINBUF_A_ADDR_H_OFFSET_0) = 0; // X offset