1 /** @file
2   Cirrus Logic 5430 Controller Driver
3 
4   Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
5   This program and the accompanying materials
6   are licensed and made available under the terms and conditions of the BSD License
7   which accompanies this distribution.  The full text of the license may be found at
8   http://opensource.org/licenses/bsd-license.php
9 
10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12 
13 **/
14 
15 //
16 // Cirrus Logic 5430 Controller Driver
17 //
18 
19 #ifndef _CIRRUS_LOGIC_5430_H_
20 #define _CIRRUS_LOGIC_5430_H_
21 
22 
23 #include <Uefi.h>
24 #include <Protocol/UgaDraw.h>
25 #include <Protocol/GraphicsOutput.h>
26 #include <Protocol/PciIo.h>
27 #include <Protocol/DriverSupportedEfiVersion.h>
28 #include <Protocol/EdidOverride.h>
29 #include <Protocol/EdidDiscovered.h>
30 #include <Protocol/EdidActive.h>
31 #include <Protocol/DevicePath.h>
32 
33 #include <Library/DebugLib.h>
34 #include <Library/UefiDriverEntryPoint.h>
35 #include <Library/UefiLib.h>
36 #include <Library/PcdLib.h>
37 #include <Library/MemoryAllocationLib.h>
38 #include <Library/UefiBootServicesTableLib.h>
39 #include <Library/BaseMemoryLib.h>
40 #include <Library/DevicePathLib.h>
41 #include <Library/TimerLib.h>
42 
43 #include <IndustryStandard/Pci.h>
44 //
45 // Cirrus Logic 5430 PCI Configuration Header values
46 //
47 #define CIRRUS_LOGIC_VENDOR_ID                0x1013
48 #define CIRRUS_LOGIC_5430_DEVICE_ID           0x00a8
49 #define CIRRUS_LOGIC_5430_ALTERNATE_DEVICE_ID 0x00a0
50 #define CIRRUS_LOGIC_5446_DEVICE_ID           0x00b8
51 
52 //
53 // Cirrus Logic Graphical Mode Data
54 //
55 #define CIRRUS_LOGIC_5430_MODE_COUNT         3
56 
57 typedef struct {
58   UINT32  ModeNumber;
59   UINT32  HorizontalResolution;
60   UINT32  VerticalResolution;
61   UINT32  ColorDepth;
62   UINT32  RefreshRate;
63 } CIRRUS_LOGIC_5430_MODE_DATA;
64 
65 #define PIXEL_RED_SHIFT   0
66 #define PIXEL_GREEN_SHIFT 3
67 #define PIXEL_BLUE_SHIFT  6
68 
69 #define PIXEL_RED_MASK    (BIT7 | BIT6 | BIT5)
70 #define PIXEL_GREEN_MASK  (BIT4 | BIT3 | BIT2)
71 #define PIXEL_BLUE_MASK   (BIT1 | BIT0)
72 
73 #define PIXEL_TO_COLOR_BYTE(pixel, mask, shift) ((UINT8) ((pixel & mask) << shift))
74 #define PIXEL_TO_RED_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_RED_MASK, PIXEL_RED_SHIFT)
75 #define PIXEL_TO_GREEN_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_GREEN_MASK, PIXEL_GREEN_SHIFT)
76 #define PIXEL_TO_BLUE_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_BLUE_MASK, PIXEL_BLUE_SHIFT)
77 
78 #define RGB_BYTES_TO_PIXEL(Red, Green, Blue) \
79   (UINT8) ( (((Red) >> PIXEL_RED_SHIFT) & PIXEL_RED_MASK) | \
80             (((Green) >> PIXEL_GREEN_SHIFT) & PIXEL_GREEN_MASK) | \
81             (((Blue) >> PIXEL_BLUE_SHIFT) & PIXEL_BLUE_MASK) )
82 
83 #define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER  0xffff
84 
85 //
86 // Cirrus Logic 5440 Private Data Structure
87 //
88 #define CIRRUS_LOGIC_5430_PRIVATE_DATA_SIGNATURE  SIGNATURE_32 ('C', 'L', '5', '4')
89 
90 typedef struct {
91   UINT64                                Signature;
92   EFI_HANDLE                            Handle;
93   EFI_PCI_IO_PROTOCOL                   *PciIo;
94   UINT64                                OriginalPciAttributes;
95   EFI_UGA_DRAW_PROTOCOL                 UgaDraw;
96   EFI_GRAPHICS_OUTPUT_PROTOCOL          GraphicsOutput;
97   EFI_EDID_DISCOVERED_PROTOCOL          EdidDiscovered;
98   EFI_EDID_ACTIVE_PROTOCOL              EdidActive;
99   EFI_DEVICE_PATH_PROTOCOL              *GopDevicePath;
100   EFI_DEVICE_PATH_PROTOCOL              *UgaDevicePath;
101   UINTN                                 CurrentMode;
102   UINTN                                 MaxMode;
103   CIRRUS_LOGIC_5430_MODE_DATA           ModeData[CIRRUS_LOGIC_5430_MODE_COUNT];
104   UINT8                                 *LineBuffer;
105   BOOLEAN                               HardwareNeedsStarting;
106 } CIRRUS_LOGIC_5430_PRIVATE_DATA;
107 
108 ///
109 /// Video Mode structure
110 ///
111 typedef struct {
112   UINT32  Width;
113   UINT32  Height;
114   UINT32  ColorDepth;
115   UINT32  RefreshRate;
116   UINT8   *CrtcSettings;
117   UINT16  *SeqSettings;
118   UINT8   MiscSetting;
119 } CIRRUS_LOGIC_5430_VIDEO_MODES;
120 
121 #define CIRRUS_LOGIC_5430_PRIVATE_DATA_FROM_UGA_DRAW_THIS(a) \
122   CR(a, CIRRUS_LOGIC_5430_PRIVATE_DATA, UgaDraw, CIRRUS_LOGIC_5430_PRIVATE_DATA_SIGNATURE)
123 
124 #define CIRRUS_LOGIC_5430_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS(a) \
125   CR(a, CIRRUS_LOGIC_5430_PRIVATE_DATA, GraphicsOutput, CIRRUS_LOGIC_5430_PRIVATE_DATA_SIGNATURE)
126 
127 
128 //
129 // Global Variables
130 //
131 extern UINT8                                      AttributeController[];
132 extern UINT8                                      GraphicsController[];
133 extern UINT8                                      Crtc_640_480_256_60[];
134 extern UINT16                                     Seq_640_480_256_60[];
135 extern UINT8                                      Crtc_800_600_256_60[];
136 extern UINT16                                     Seq_800_600_256_60[];
137 extern UINT8                                      Crtc_1024_768_256_60[];
138 extern UINT16                                     Seq_1024_768_256_60[];
139 extern CIRRUS_LOGIC_5430_VIDEO_MODES              CirrusLogic5430VideoModes[];
140 extern EFI_DRIVER_BINDING_PROTOCOL                gCirrusLogic5430DriverBinding;
141 extern EFI_COMPONENT_NAME_PROTOCOL                gCirrusLogic5430ComponentName;
142 extern EFI_COMPONENT_NAME2_PROTOCOL               gCirrusLogic5430ComponentName2;
143 extern EFI_DRIVER_SUPPORTED_EFI_VERSION_PROTOCOL  gCirrusLogic5430DriverSupportedEfiVersion;
144 
145 //
146 // Io Registers defined by VGA
147 //
148 #define CRTC_ADDRESS_REGISTER   0x3d4
149 #define CRTC_DATA_REGISTER      0x3d5
150 #define SEQ_ADDRESS_REGISTER    0x3c4
151 #define SEQ_DATA_REGISTER       0x3c5
152 #define GRAPH_ADDRESS_REGISTER  0x3ce
153 #define GRAPH_DATA_REGISTER     0x3cf
154 #define ATT_ADDRESS_REGISTER    0x3c0
155 #define MISC_OUTPUT_REGISTER    0x3c2
156 #define INPUT_STATUS_1_REGISTER 0x3da
157 #define DAC_PIXEL_MASK_REGISTER 0x3c6
158 #define PALETTE_INDEX_REGISTER  0x3c8
159 #define PALETTE_DATA_REGISTER   0x3c9
160 
161 //
162 // UGA Draw Hardware abstraction internal worker functions
163 //
164 EFI_STATUS
165 CirrusLogic5430UgaDrawConstructor (
166   CIRRUS_LOGIC_5430_PRIVATE_DATA  *Private
167   );
168 
169 EFI_STATUS
170 CirrusLogic5430UgaDrawDestructor (
171   CIRRUS_LOGIC_5430_PRIVATE_DATA  *Private
172   );
173 
174 //
175 // Graphics Output Hardware abstraction internal worker functions
176 //
177 EFI_STATUS
178 CirrusLogic5430GraphicsOutputConstructor (
179   CIRRUS_LOGIC_5430_PRIVATE_DATA  *Private
180   );
181 
182 EFI_STATUS
183 CirrusLogic5430GraphicsOutputDestructor (
184   CIRRUS_LOGIC_5430_PRIVATE_DATA  *Private
185   );
186 
187 
188 //
189 // EFI_DRIVER_BINDING_PROTOCOL Protocol Interface
190 //
191 /**
192   TODO: Add function description
193 
194   @param  This TODO: add argument description
195   @param  Controller TODO: add argument description
196   @param  RemainingDevicePath TODO: add argument description
197 
198   TODO: add return values
199 
200 **/
201 EFI_STATUS
202 EFIAPI
203 CirrusLogic5430ControllerDriverSupported (
204   IN EFI_DRIVER_BINDING_PROTOCOL  *This,
205   IN EFI_HANDLE                   Controller,
206   IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath
207   );
208 
209 /**
210   TODO: Add function description
211 
212   @param  This TODO: add argument description
213   @param  Controller TODO: add argument description
214   @param  RemainingDevicePath TODO: add argument description
215 
216   TODO: add return values
217 
218 **/
219 EFI_STATUS
220 EFIAPI
221 CirrusLogic5430ControllerDriverStart (
222   IN EFI_DRIVER_BINDING_PROTOCOL  *This,
223   IN EFI_HANDLE                   Controller,
224   IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath
225   );
226 
227 /**
228   TODO: Add function description
229 
230   @param  This TODO: add argument description
231   @param  Controller TODO: add argument description
232   @param  NumberOfChildren TODO: add argument description
233   @param  ChildHandleBuffer TODO: add argument description
234 
235   TODO: add return values
236 
237 **/
238 EFI_STATUS
239 EFIAPI
240 CirrusLogic5430ControllerDriverStop (
241   IN EFI_DRIVER_BINDING_PROTOCOL  *This,
242   IN EFI_HANDLE                   Controller,
243   IN UINTN                        NumberOfChildren,
244   IN EFI_HANDLE                   *ChildHandleBuffer
245   );
246 
247 //
248 // EFI Component Name Functions
249 //
250 /**
251   Retrieves a Unicode string that is the user readable name of the driver.
252 
253   This function retrieves the user readable name of a driver in the form of a
254   Unicode string. If the driver specified by This has a user readable name in
255   the language specified by Language, then a pointer to the driver name is
256   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
257   by This does not support the language specified by Language,
258   then EFI_UNSUPPORTED is returned.
259 
260   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
261                                 EFI_COMPONENT_NAME_PROTOCOL instance.
262 
263   @param  Language[in]          A pointer to a Null-terminated ASCII string
264                                 array indicating the language. This is the
265                                 language of the driver name that the caller is
266                                 requesting, and it must match one of the
267                                 languages specified in SupportedLanguages. The
268                                 number of languages supported by a driver is up
269                                 to the driver writer. Language is specified
270                                 in RFC 4646 or ISO 639-2 language code format.
271 
272   @param  DriverName[out]       A pointer to the Unicode string to return.
273                                 This Unicode string is the name of the
274                                 driver specified by This in the language
275                                 specified by Language.
276 
277   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
278                                 This and the language specified by Language was
279                                 returned in DriverName.
280 
281   @retval EFI_INVALID_PARAMETER Language is NULL.
282 
283   @retval EFI_INVALID_PARAMETER DriverName is NULL.
284 
285   @retval EFI_UNSUPPORTED       The driver specified by This does not support
286                                 the language specified by Language.
287 
288 **/
289 EFI_STATUS
290 EFIAPI
291 CirrusLogic5430ComponentNameGetDriverName (
292   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
293   IN  CHAR8                        *Language,
294   OUT CHAR16                       **DriverName
295   );
296 
297 
298 /**
299   Retrieves a Unicode string that is the user readable name of the controller
300   that is being managed by a driver.
301 
302   This function retrieves the user readable name of the controller specified by
303   ControllerHandle and ChildHandle in the form of a Unicode string. If the
304   driver specified by This has a user readable name in the language specified by
305   Language, then a pointer to the controller name is returned in ControllerName,
306   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
307   managing the controller specified by ControllerHandle and ChildHandle,
308   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
309   support the language specified by Language, then EFI_UNSUPPORTED is returned.
310 
311   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
312                                 EFI_COMPONENT_NAME_PROTOCOL instance.
313 
314   @param  ControllerHandle[in]  The handle of a controller that the driver
315                                 specified by This is managing.  This handle
316                                 specifies the controller whose name is to be
317                                 returned.
318 
319   @param  ChildHandle[in]       The handle of the child controller to retrieve
320                                 the name of.  This is an optional parameter that
321                                 may be NULL.  It will be NULL for device
322                                 drivers.  It will also be NULL for a bus drivers
323                                 that wish to retrieve the name of the bus
324                                 controller.  It will not be NULL for a bus
325                                 driver that wishes to retrieve the name of a
326                                 child controller.
327 
328   @param  Language[in]          A pointer to a Null-terminated ASCII string
329                                 array indicating the language.  This is the
330                                 language of the driver name that the caller is
331                                 requesting, and it must match one of the
332                                 languages specified in SupportedLanguages. The
333                                 number of languages supported by a driver is up
334                                 to the driver writer. Language is specified in
335                                 RFC 4646 or ISO 639-2 language code format.
336 
337   @param  ControllerName[out]   A pointer to the Unicode string to return.
338                                 This Unicode string is the name of the
339                                 controller specified by ControllerHandle and
340                                 ChildHandle in the language specified by
341                                 Language from the point of view of the driver
342                                 specified by This.
343 
344   @retval EFI_SUCCESS           The Unicode string for the user readable name in
345                                 the language specified by Language for the
346                                 driver specified by This was returned in
347                                 DriverName.
348 
349   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
350 
351   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
352                                 EFI_HANDLE.
353 
354   @retval EFI_INVALID_PARAMETER Language is NULL.
355 
356   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
357 
358   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
359                                 managing the controller specified by
360                                 ControllerHandle and ChildHandle.
361 
362   @retval EFI_UNSUPPORTED       The driver specified by This does not support
363                                 the language specified by Language.
364 
365 **/
366 EFI_STATUS
367 EFIAPI
368 CirrusLogic5430ComponentNameGetControllerName (
369   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
370   IN  EFI_HANDLE                                      ControllerHandle,
371   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
372   IN  CHAR8                                           *Language,
373   OUT CHAR16                                          **ControllerName
374   );
375 
376 
377 //
378 // Local Function Prototypes
379 //
380 VOID
381 InitializeGraphicsMode (
382   CIRRUS_LOGIC_5430_PRIVATE_DATA  *Private,
383   CIRRUS_LOGIC_5430_VIDEO_MODES   *ModeData
384   );
385 
386 VOID
387 SetPaletteColor (
388   CIRRUS_LOGIC_5430_PRIVATE_DATA  *Private,
389   UINTN                           Index,
390   UINT8                           Red,
391   UINT8                           Green,
392   UINT8                           Blue
393   );
394 
395 VOID
396 SetDefaultPalette (
397   CIRRUS_LOGIC_5430_PRIVATE_DATA  *Private
398   );
399 
400 VOID
401 DrawLogo (
402   CIRRUS_LOGIC_5430_PRIVATE_DATA  *Private,
403   UINTN                           ScreenWidth,
404   UINTN                           ScreenHeight
405   );
406 
407 VOID
408 outb (
409   CIRRUS_LOGIC_5430_PRIVATE_DATA  *Private,
410   UINTN                           Address,
411   UINT8                           Data
412   );
413 
414 VOID
415 outw (
416   CIRRUS_LOGIC_5430_PRIVATE_DATA  *Private,
417   UINTN                           Address,
418   UINT16                          Data
419   );
420 
421 UINT8
422 inb (
423   CIRRUS_LOGIC_5430_PRIVATE_DATA  *Private,
424   UINTN                           Address
425   );
426 
427 UINT16
428 inw (
429   CIRRUS_LOGIC_5430_PRIVATE_DATA  *Private,
430   UINTN                           Address
431   );
432 
433 EFI_STATUS
434 CirrusLogic5430VideoModeSetup (
435   CIRRUS_LOGIC_5430_PRIVATE_DATA  *Private
436   );
437 
438 #endif
439