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1/* SPDX-License-Identifier: GPL-2.0-only */
2
3// Intel Serial IO Devices in ACPI Mode
4
5// Serial IO Device BAR0 and BAR1 is 4KB
6#define SIO_BAR_LEN 0x1000
7
8// This is defined in SSDT2 which is generated at boot based
9// on whether or not the device is enabled in ACPI mode.
10External (\S0EN)
11External (\S1EN)
12External (\S2EN)
13External (\S3EN)
14External (\S4EN)
15External (\S5EN)
16External (\S6EN)
17External (\S7EN)
18
19// Serial IO Resource Consumption for BAR1
20Device (SIOR)
21{
22	Name (_HID, EISAID ("PNP0C02"))
23	Name (_UID, 4)
24
25	Name (RBUF, ResourceTemplate ()
26	{
27		// Serial IO BAR1 (PCI config space) resources
28		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D0) // SDMA
29		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D1) // I2C0
30		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D2) // I2C1
31		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D3) // SPI0
32		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D4) // SPI1
33		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D5) // UART0
34		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D6) // UART1
35		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D7) // SDIO
36	})
37
38	// Update BAR1 address and length if set in NVS
39	Method (_CRS, 0, NotSerialized)
40	{
41		// SDMA
42		If (\S0B1 != 0) {
43			CreateDwordField (^RBUF, ^B1D0._BAS, B0AD)
44			CreateDwordField (^RBUF, ^B1D0._LEN, B0LN)
45			B0AD = \S0B1
46			B0LN = SIO_BAR_LEN
47		}
48
49		// I2C0
50		If (\S1B1 != 0) {
51			CreateDwordField (^RBUF, ^B1D1._BAS, B1AD)
52			CreateDwordField (^RBUF, ^B1D1._LEN, B1LN)
53			B1AD = \S1B1
54			B1LN = SIO_BAR_LEN
55		}
56
57		// I2C1
58		If (\S2B1 != 0) {
59			CreateDwordField (^RBUF, ^B1D2._BAS, B2AD)
60			CreateDwordField (^RBUF, ^B1D2._LEN, B2LN)
61			B2AD = \S2B1
62			B2LN = SIO_BAR_LEN
63		}
64
65		// SPI0
66		If (\S3B1 != 0) {
67			CreateDwordField (^RBUF, ^B1D3._BAS, B3AD)
68			CreateDwordField (^RBUF, ^B1D3._LEN, B3LN)
69			B3AD = \S3B1
70			B3LN = SIO_BAR_LEN
71		}
72
73		// SPI1
74		If (\S4B1 != 0) {
75			CreateDwordField (^RBUF, ^B1D4._BAS, B4AD)
76			CreateDwordField (^RBUF, ^B1D4._LEN, B4LN)
77			B4AD = \S4B1
78			B4LN = SIO_BAR_LEN
79		}
80
81		// UART0
82		If (\S5B1 != 0) {
83			CreateDwordField (^RBUF, ^B1D5._BAS, B5AD)
84			CreateDwordField (^RBUF, ^B1D5._LEN, B5LN)
85			B5AD = \S5B1
86			B5LN = SIO_BAR_LEN
87		}
88
89		// UART1
90		If (\S6B1 != 0) {
91			CreateDwordField (^RBUF, ^B1D6._BAS, B6AD)
92			CreateDwordField (^RBUF, ^B1D6._LEN, B6LN)
93			B6AD = \S6B1
94			B6LN = SIO_BAR_LEN
95		}
96
97		// SDIO
98		If (\S7B1 != 0) {
99			CreateDwordField (^RBUF, ^B1D7._BAS, B7AD)
100			CreateDwordField (^RBUF, ^B1D7._LEN, B7LN)
101			B7AD = \S7B1
102			B7LN = SIO_BAR_LEN
103		}
104
105		Return (RBUF)
106	}
107}
108
109Device (SDMA)
110{
111	// Serial IO DMA Controller
112	Name (_HID, "INTL9C60")
113	Name (_UID, 1)
114
115	// BAR0 is assigned during PCI enumeration and saved into NVS
116	Name (RBUF, ResourceTemplate ()
117	{
118		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
119		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {7}
120	})
121
122	Method (_CRS, 0, NotSerialized)
123	{
124		// Update BAR0 address and length if set in NVS
125		If (\S0B0 != 0) {
126			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
127			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
128			B0AD = \S0B0
129			B0LN = SIO_BAR_LEN
130		}
131
132		Return (RBUF)
133	}
134
135	Method (_STA, 0, NotSerialized)
136	{
137		If (\S0EN == 0) {
138			Return (0x0)
139		} Else {
140			Return (0xF)
141		}
142	}
143}
144
145Device (I2C0)
146{
147	// Serial IO I2C0 Controller
148	Name (_HID, "INT33C2")
149	Name (_CID, "INT33C2")
150	Name (_UID, 1)
151
152	Name (SSCN, Package () { 432, 507, 30 })
153	Name (FMCN, Package () { 72, 160, 30 })
154
155	// BAR0 is assigned during PCI enumeration and saved into NVS
156	Name (RBUF, ResourceTemplate ()
157	{
158		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
159		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {7}
160	})
161
162	// DMA channels are only used if Serial IO DMA controller is enabled
163	Name (DBUF, ResourceTemplate ()
164	{
165		FixedDMA (0x18, 4, Width32Bit, DMA1) // Tx
166		FixedDMA (0x19, 5, Width32Bit, DMA2) // Rx
167	})
168
169	Method (_CRS, 0, NotSerialized)
170	{
171		// Update BAR0 address and length if set in NVS
172		If (\S1B0 != 0) {
173			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
174			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
175			B0AD = \S1B0
176			B0LN = SIO_BAR_LEN
177		}
178
179		// Check if Serial IO DMA Controller is enabled
180		If (\_SB.PCI0.SDMA._STA != 0) {
181			Return (ConcatenateResTemplate (RBUF, DBUF))
182		} Else {
183			Return (RBUF)
184		}
185	}
186
187	Method (_STA, 0, NotSerialized)
188	{
189		If (\S1EN == 0) {
190			Return (0x0)
191		} Else {
192			Return (0xF)
193		}
194	}
195
196	// Access to PCI Config in ACPI mode
197	OperationRegion (KEYS, SystemMemory, \S1B1, 0x100)
198	Field (KEYS, DWordAcc, NoLock, Preserve)
199	{
200		Offset (0x84),
201		PSAT, 32,
202	}
203
204	// Put controller in D0 state
205	Method (_PS0, 0, Serialized)
206	{
207		^PSAT &= 0xfffffffc
208		Local0 = ^PSAT // Read back after writing
209
210		// Use Local0 to avoid iasl warning: Method Local is set but never used
211		Local0 &= Ones
212	}
213
214	// Put controller in D3Hot state
215	Method (_PS3, 0, Serialized)
216	{
217		^PSAT |= 0x00000003
218		Local0 = ^PSAT // Read back after writing
219
220		// Use Local0 to avoid iasl warning: Method Local is set but never used
221		Local0 &= Ones
222	}
223}
224
225Device (I2C1)
226{
227	// Serial IO I2C1 Controller
228	Name (_HID, "INT33C3")
229	Name (_CID, "INT33C3")
230	Name (_UID, 1)
231
232	Name (SSCN, Package () { 432, 507, 30 })
233	Name (FMCN, Package () { 72, 160, 30 })
234
235	// BAR0 is assigned during PCI enumeration and saved into NVS
236	Name (RBUF, ResourceTemplate ()
237	{
238		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
239		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {7}
240	})
241
242	// DMA channels are only used if Serial IO DMA controller is enabled
243	Name (DBUF, ResourceTemplate ()
244	{
245		FixedDMA (0x1A, 6, Width32Bit, DMA1) // Tx
246		FixedDMA (0x1B, 7, Width32Bit, DMA2) // Rx
247	})
248
249	Method (_CRS, 0, NotSerialized)
250	{
251		// Update BAR0 address and length if set in NVS
252		If (\S2B0 != 0) {
253			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
254			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
255			B0AD = \S2B0
256			B0LN = SIO_BAR_LEN
257		}
258
259		// Check if Serial IO DMA Controller is enabled
260		If (\_SB.PCI0.SDMA._STA != 0) {
261			Return (ConcatenateResTemplate (RBUF, DBUF))
262		} Else {
263			Return (RBUF)
264		}
265	}
266
267	Method (_STA, 0, NotSerialized)
268	{
269		If (\S2EN == 0) {
270			Return (0x0)
271		} Else {
272			Return (0xF)
273		}
274	}
275
276	// Access to PCI Config in ACPI mode
277	OperationRegion (KEYS, SystemMemory, \S2B1, 0x100)
278	Field (KEYS, DWordAcc, NoLock, Preserve)
279	{
280		Offset (0x84),
281		PSAT, 32,
282	}
283
284	// Put controller in D0 state
285	Method (_PS0, 0, Serialized)
286	{
287		^PSAT &= 0xfffffffc
288		Local0 = ^PSAT // Read back after writing
289
290		// Use Local0 to avoid iasl warning: Method Local is set but never used
291		Local0 &= Ones
292	}
293
294	// Put controller in D3Hot state
295	Method (_PS3, 0, Serialized)
296	{
297		^PSAT |= 0x00000003
298		Local0 = ^PSAT // Read back after writing
299
300		// Use Local0 to avoid iasl warning: Method Local is set but never used
301		Local0 &= Ones
302	}
303}
304
305Device (SPI0)
306{
307	// Serial IO SPI0 Controller
308	Name (_HID, "INT33C0")
309	Name (_CID, "INT33C0")
310	Name (_UID, 1)
311
312	// BAR0 is assigned during PCI enumeration and saved into NVS
313	Name (RBUF, ResourceTemplate ()
314	{
315		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
316		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {7}
317	})
318
319	Method (_CRS, 0, NotSerialized)
320	{
321		// Update BAR0 address and length if set in NVS
322		If (\S3B0 != 0) {
323			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
324			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
325			B0AD = \S3B0
326			B0LN = SIO_BAR_LEN
327		}
328
329		Return (RBUF)
330	}
331
332	Method (_STA, 0, NotSerialized)
333	{
334		If (\S3EN == 0) {
335			Return (0x0)
336		} Else {
337			Return (0xF)
338		}
339	}
340}
341
342Device (SPI1)
343{
344	// Serial IO SPI1 Controller
345	Name (_HID, "INT33C1")
346	Name (_CID, "INT33C1")
347	Name (_UID, 1)
348
349	// BAR0 is assigned during PCI enumeration and saved into NVS
350	Name (RBUF, ResourceTemplate ()
351	{
352		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
353		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {7}
354	})
355
356	// DMA channels are only used if Serial IO DMA controller is enabled
357	Name (DBUF, ResourceTemplate ()
358	{
359		FixedDMA (0x10, 0, Width32Bit, DMA1) // Tx
360		FixedDMA (0x11, 1, Width32Bit, DMA2) // Rx
361	})
362
363	Method (_CRS, 0, NotSerialized)
364	{
365		// Update BAR0 address and length if set in NVS
366		If (\S4B0 != 0) {
367			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
368			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
369			B0AD = \S4B0
370			B0LN = SIO_BAR_LEN
371		}
372
373		// Check if Serial IO DMA Controller is enabled
374		If (\_SB.PCI0.SDMA._STA != 0) {
375			Return (ConcatenateResTemplate (RBUF, DBUF))
376		} Else {
377			Return (RBUF)
378		}
379	}
380
381	Method (_STA, 0, NotSerialized)
382	{
383		If (\S4EN == 0) {
384			Return (0x0)
385		} Else {
386			Return (0xF)
387		}
388	}
389}
390
391Device (UAR0)
392{
393	// Serial IO UART0 Controller
394	Name (_HID, "INT33C4")
395	Name (_CID, "INT33C4")
396	Name (_UID, 1)
397
398	// BAR0 is assigned during PCI enumeration and saved into NVS
399	Name (RBUF, ResourceTemplate ()
400	{
401		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
402		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {13}
403	})
404
405	// DMA channels are only used if Serial IO DMA controller is enabled
406	Name (DBUF, ResourceTemplate ()
407	{
408		FixedDMA (0x16, 2, Width32Bit, DMA1) // Tx
409		FixedDMA (0x17, 3, Width32Bit, DMA2) // Rx
410	})
411
412	Method (_CRS, 0, NotSerialized)
413	{
414		// Update BAR0 address and length if set in NVS
415		If (\S5B0 != 0) {
416			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
417			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
418			B0AD = \S5B0
419			B0LN = SIO_BAR_LEN
420		}
421
422		// Check if Serial IO DMA Controller is enabled
423		If (\_SB.PCI0.SDMA._STA != 0) {
424			Return (ConcatenateResTemplate (RBUF, DBUF))
425		} Else {
426			Return (RBUF)
427		}
428	}
429
430	Method (_STA, 0, NotSerialized)
431	{
432		If (\S5EN == 0) {
433			Return (0x0)
434		} Else {
435			Return (0xF)
436		}
437	}
438}
439
440Device (UAR1)
441{
442	// Serial IO UART1 Controller
443	Name (_HID, "INT33C5")
444	Name (_CID, "INT33C5")
445	Name (_UID, 1)
446
447	// BAR0 is assigned during PCI enumeration and saved into NVS
448	Name (RBUF, ResourceTemplate ()
449	{
450		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
451		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {13}
452	})
453
454	Method (_CRS, 0, NotSerialized)
455	{
456		// Update BAR0 address and length if set in NVS
457		If (\S6B0 != 0) {
458			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
459			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
460			B0AD = \S6B0
461			B0LN = SIO_BAR_LEN
462		}
463
464		Return (RBUF)
465	}
466
467	Method (_STA, 0, NotSerialized)
468	{
469		If (\S6EN == 0) {
470			Return (0x0)
471		} Else {
472			Return (0xF)
473		}
474	}
475}
476
477Device (SDIO)
478{
479	// Serial IO SDIO Controller
480	Name (_HID, "INT33C6")
481	Name (_CID, "PNP0D40")
482	Name (_UID, 1)
483
484	// BAR0 is assigned during PCI enumeration and saved into NVS
485	Name (RBUF, ResourceTemplate ()
486	{
487		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
488		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {5}
489	})
490
491	Method (_CRS, 0, NotSerialized)
492	{
493		// Update BAR0 address and length if set in NVS
494		If (\S7B0 != 0) {
495			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
496			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
497			B0AD = \S7B0
498			B0LN = SIO_BAR_LEN
499		}
500
501		Return (RBUF)
502	}
503
504	Method (_STA, 0, NotSerialized)
505	{
506		If (\S7EN == 0) {
507			Return (0x0)
508		} Else {
509			Return (0xF)
510		}
511	}
512}
513