1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Test-related constants for sandbox
4  *
5  * Copyright (c) 2014 Google, Inc
6  */
7 
8 #ifndef __ASM_TEST_H
9 #define __ASM_TEST_H
10 
11 #include <video.h>
12 #include <pci_ids.h>
13 
14 struct unit_test_state;
15 
16 /* The sandbox driver always permits an I2C device with this address */
17 #define SANDBOX_I2C_TEST_ADDR		0x59
18 
19 #define SANDBOX_PCI_VENDOR_ID		0x1234
20 #define SANDBOX_PCI_SWAP_CASE_EMUL_ID	0x5678
21 #define SANDBOX_PCI_PMC_EMUL_ID		0x5677
22 #define SANDBOX_PCI_P2SB_EMUL_ID	0x5676
23 #define SANDBOX_PCI_CLASS_CODE		(PCI_CLASS_COMMUNICATION_SERIAL >> 8)
24 #define SANDBOX_PCI_CLASS_SUB_CODE	(PCI_CLASS_COMMUNICATION_SERIAL & 0xff)
25 
26 #define PCI_CAP_ID_PM_OFFSET		0x50
27 #define PCI_CAP_ID_EXP_OFFSET		0x60
28 #define PCI_CAP_ID_MSIX_OFFSET		0x70
29 #define PCI_CAP_ID_EA_OFFSET		0x80
30 
31 #define PCI_EXT_CAP_ID_ERR_OFFSET	0x100
32 #define PCI_EXT_CAP_ID_VC_OFFSET	0x200
33 #define PCI_EXT_CAP_ID_DSN_OFFSET	0x300
34 
35 /* Useful for PCI_VDEVICE() macro */
36 #define PCI_VENDOR_ID_SANDBOX		SANDBOX_PCI_VENDOR_ID
37 #define SWAP_CASE_DRV_DATA		0x55aa
38 
39 #define SANDBOX_CLK_RATE		32768
40 
41 /* Macros used to test PCI EA capability structure */
42 #define PCI_CAP_EA_BASE_LO0		0x00100000
43 #define PCI_CAP_EA_BASE_LO1		0x00110000
44 #define PCI_CAP_EA_BASE_LO2		0x00120000
45 #define PCI_CAP_EA_BASE_LO4		0x00140000
46 #define PCI_CAP_EA_BASE_HI2		0x00020000ULL
47 #define PCI_CAP_EA_BASE_HI4		0x00040000ULL
48 #define PCI_CAP_EA_SIZE_LO		0x0000ffff
49 #define PCI_CAP_EA_SIZE_HI		0x00000010ULL
50 #define PCI_EA_BAR2_MAGIC		0x72727272
51 #define PCI_EA_BAR4_MAGIC		0x74747474
52 
53 enum {
54 	SANDBOX_IRQN_PEND = 1,	/* Interrupt number for 'pending' test */
55 };
56 
57 /* System controller driver data */
58 enum {
59 	SYSCON0		= 32,
60 	SYSCON1,
61 
62 	SYSCON_COUNT
63 };
64 
65 /**
66  */
67 enum cros_ec_test_t {
68 	CROSECT_BREAK_HELLO	= BIT(1),
69 	CROSECT_LID_OPEN	= BIT(2),
70 };
71 
72 /**
73  * sandbox_i2c_set_test_mode() - set test mode for running unit tests
74  *
75  * See sandbox_i2c_xfer() for the behaviour changes.
76  *
77  * @bus:	sandbox I2C bus to adjust
78  * @test_mode:	true to select test mode, false to run normally
79  */
80 void sandbox_i2c_set_test_mode(struct udevice *bus, bool test_mode);
81 
82 enum sandbox_i2c_eeprom_test_mode {
83 	SIE_TEST_MODE_NONE,
84 	/* Permits read/write of only one byte per I2C transaction */
85 	SIE_TEST_MODE_SINGLE_BYTE,
86 };
87 
88 void sandbox_i2c_eeprom_set_test_mode(struct udevice *dev,
89 				      enum sandbox_i2c_eeprom_test_mode mode);
90 
91 void sandbox_i2c_eeprom_set_offset_len(struct udevice *dev, int offset_len);
92 
93 void sandbox_i2c_eeprom_set_chip_addr_offset_mask(struct udevice *dev,
94 						  uint mask);
95 
96 uint sanbox_i2c_eeprom_get_prev_addr(struct udevice *dev);
97 
98 uint sanbox_i2c_eeprom_get_prev_offset(struct udevice *dev);
99 
100 /**
101  * sandbox_i2c_rtc_set_offset() - set the time offset from system/base time
102  *
103  * @dev:		RTC device to adjust
104  * @use_system_time:	true to use system time, false to use @base_time
105  * @offset:		RTC offset from current system/base time (-1 for no
106  *			change)
107  * Return: old value of RTC offset
108  */
109 long sandbox_i2c_rtc_set_offset(struct udevice *dev, bool use_system_time,
110 				int offset);
111 
112 /**
113  * sandbox_i2c_rtc_get_set_base_time() - get and set the base time
114  *
115  * @dev:		RTC device to adjust
116  * @base_time:		New base system time (set to -1 for no change)
117  * Return: old base time
118  */
119 long sandbox_i2c_rtc_get_set_base_time(struct udevice *dev, long base_time);
120 
121 int sandbox_usb_keyb_add_string(struct udevice *dev, const char *str);
122 
123 /**
124  * sandbox_osd_get_mem() - get the internal memory of a sandbox OSD
125  *
126  * @dev:	OSD device for which to access the internal memory for
127  * @buf:	pointer to buffer to receive the OSD memory data
128  * @buflen:	length of buffer in bytes
129  */
130 int sandbox_osd_get_mem(struct udevice *dev, u8 *buf, size_t buflen);
131 
132 /**
133  * sandbox_pwm_get_config() - get the PWM config for a channel
134  *
135  * @dev: Device to check
136  * @channel: Channel number to check
137  * @period_ns: Period of the PWM in nanoseconds
138  * @duty_ns: Current duty cycle of the PWM in nanoseconds
139  * @enable: true if the PWM is enabled
140  * @polarity: true if the PWM polarity is active high
141  * Return: 0 if OK, -ENOSPC if the PWM number is invalid
142  */
143 int sandbox_pwm_get_config(struct udevice *dev, uint channel, uint *period_nsp,
144 			   uint *duty_nsp, bool *enablep, bool *polarityp);
145 
146 /**
147  * sandbox_sf_set_block_protect() - Set the BP bits of the status register
148  *
149  * @dev: Device to update
150  * @bp_mask: BP bits to set (bits 2:0, so a value of 0 to 7)
151  */
152 void sandbox_sf_set_block_protect(struct udevice *dev, int bp_mask);
153 
154 /**
155  * sandbox_get_codec_params() - Read back codec parameters
156  *
157  * This reads back the parameters set by audio_codec_set_params() for the
158  * sandbox audio driver. Arguments are as for that function.
159  */
160 void sandbox_get_codec_params(struct udevice *dev, int *interfacep, int *ratep,
161 			      int *mclk_freqp, int *bits_per_samplep,
162 			      uint *channelsp);
163 
164 /**
165  * sandbox_get_i2s_sum() - Read back the sum of the audio data so far
166  *
167  * This data is provided to the sandbox driver by the I2S tx_data() method.
168  *
169  * @dev: Device to check
170  * Return: sum of audio data
171  */
172 int sandbox_get_i2s_sum(struct udevice *dev);
173 
174 /**
175  * sandbox_get_setup_called() - Returns the number of times setup(*) was called
176  *
177  * This is used in the sound test
178  *
179  * @dev: Device to check
180  * Return: call count for the setup() method
181  */
182 int sandbox_get_setup_called(struct udevice *dev);
183 
184 /**
185  * sandbox_get_sound_active() - Returns whether sound play is in progress
186  *
187  * Return: true if active, false if not
188  */
189 int sandbox_get_sound_active(struct udevice *dev);
190 
191 /**
192  * sandbox_get_sound_count() - Read back the count of the sound data so far
193  *
194  * This data is provided to the sandbox driver by the sound play() method.
195  *
196  * @dev: Device to check
197  * Return: count of audio data
198  */
199 int sandbox_get_sound_count(struct udevice *dev);
200 
201 /**
202  * sandbox_get_sound_sum() - Read back the sum of the sound data so far
203  *
204  * This data is provided to the sandbox driver by the sound play() method.
205  *
206  * @dev: Device to check
207  * Return: sum of audio data
208  */
209 int sandbox_get_sound_sum(struct udevice *dev);
210 
211 /**
212  * sandbox_set_allow_beep() - Set whether the 'beep' interface is supported
213  *
214  * @dev: Device to update
215  * @allow: true to allow the start_beep() method, false to disallow it
216  */
217 void sandbox_set_allow_beep(struct udevice *dev, bool allow);
218 
219 /**
220  * sandbox_get_beep_frequency() - Get the frequency of the current beep
221  *
222  * @dev: Device to check
223  * Return: frequency of beep, if there is an active beep, else 0
224  */
225 int sandbox_get_beep_frequency(struct udevice *dev);
226 
227 /**
228  * sandbox_spi_get_speed() - Get current speed setting of a sandbox spi bus
229  *
230  * @dev: Device to check
231  * Return: current bus speed
232  */
233 uint sandbox_spi_get_speed(struct udevice *dev);
234 
235 /**
236  * sandbox_spi_get_mode() - Get current mode setting of a sandbox spi bus
237  *
238  * @dev: Device to check
239  * Return: current mode
240  */
241 uint sandbox_spi_get_mode(struct udevice *dev);
242 
243 /**
244  * sandbox_get_pch_spi_protect() - Get the PCI SPI protection status
245  *
246  * @dev: Device to check
247  * Return: 0 if not protected, 1 if protected
248  */
249 int sandbox_get_pch_spi_protect(struct udevice *dev);
250 
251 /**
252  * sandbox_get_pci_ep_irq_count() - Get the PCI EP IRQ count
253  *
254  * @dev: Device to check
255  * Return: irq count
256  */
257 int sandbox_get_pci_ep_irq_count(struct udevice *dev);
258 
259 /**
260  * sandbox_pci_read_bar() - Read the BAR value for a read_config operation
261  *
262  * This is used in PCI emulators to read a base address reset. This has special
263  * rules because when the register is set to 0xffffffff it can be used to
264  * discover the type and size of the BAR.
265  *
266  * @barval: Current value of the BAR
267  * @type: Type of BAR (PCI_BASE_ADDRESS_SPACE_IO or
268  *		PCI_BASE_ADDRESS_MEM_TYPE_32)
269  * @size: Size of BAR in bytes
270  * Return: BAR value to return from emulator
271  */
272 uint sandbox_pci_read_bar(u32 barval, int type, uint size);
273 
274 /**
275  * sandbox_set_enable_memio() - Enable readl/writel() for sandbox
276  *
277  * Normally these I/O functions do nothing with sandbox. Certain tests need them
278  * to work as for other architectures, so this function can be used to enable
279  * them.
280  *
281  * @enable: true to enable, false to disable
282  */
283 void sandbox_set_enable_memio(bool enable);
284 
285 /**
286  * sandbox_cros_ec_set_test_flags() - Set behaviour for testing purposes
287  *
288  * @dev: Device to check
289  * @flags: Flags to control behaviour (CROSECT_...)
290  */
291 void sandbox_cros_ec_set_test_flags(struct udevice *dev, uint flags);
292 
293 /**
294  * sandbox_cros_ec_get_pwm_duty() - Get EC PWM config for testing purposes
295  *
296  * @dev: Device to check
297  * @index: PWM channel index
298  * @duty: Current duty cycle in 0..EC_PWM_MAX_DUTY range.
299  * Return: 0 if OK, -ENOSPC if the PWM number is invalid
300  */
301 int sandbox_cros_ec_get_pwm_duty(struct udevice *dev, uint index, uint *duty);
302 
303 #if IS_ENABLED(CONFIG_SANDBOX_SDL)
304 /**
305  * sandbox_sdl_set_bpp() - Set the depth of the sandbox display
306  *
307  * The device must not be active when this function is called. It activiates it
308  * before returning.
309  *
310  * This updates the depth value and adjusts a few other settings accordingly.
311  * It must be called before the display is probed.
312  *
313  * @dev: Device to adjust
314  * @l2bpp: depth to set
315  * Return: 0 if the device was already active, other error if it fails to probe
316  * after the change
317  */
318 int sandbox_sdl_set_bpp(struct udevice *dev, enum video_log2_bpp l2bpp);
319 #else
sandbox_sdl_set_bpp(struct udevice * dev,enum video_log2_bpp l2bpp)320 static inline int sandbox_sdl_set_bpp(struct udevice *dev,
321 				      enum video_log2_bpp l2bpp)
322 {
323 	return -ENOSYS;
324 }
325 #endif
326 
327 /**
328  * sandbox_set_fake_efi_mgr_dev() - Control EFI bootmgr producing valid bootflow
329  *
330  * This is only used for testing.
331  *
332  * @dev: efi_mgr bootmeth device
333  * @fake_dev: true to produce a valid bootflow when requested, false to produce
334  * an error
335  */
336 void sandbox_set_fake_efi_mgr_dev(struct udevice *dev, bool fake_dev);
337 
338 /**
339  * sandbox_load_other_fdt() - load the 'other' FDT into the test state
340  *
341  * This copies the other.dtb file into the test state, so that a fresh version
342  * can be used for a test that is about to run.
343  *
344  * If @uts->other_fdt is NULL, as it is when first set up, this allocates a
345  * buffer for the other FDT and sets @uts->other_fdt_size to its size.
346  *
347  * In any case, the other FDT is copied from the sandbox state into
348  * @uts->other_fdt ready for use.
349  *
350  * @uts: Unit test state
351  * @return 0 if OK, -ve on error
352  */
353 int sandbox_load_other_fdt(void **fdtp, int *sizep);
354 
355 /**
356  * sandbox_set_eth_enable() - Enable / disable Ethernet
357  *
358  * Allows control of whether Ethernet packets are actually send/received
359  *
360  * @enable: true to enable Ethernet, false to disable
361  */
362 void sandbox_set_eth_enable(bool enable);
363 
364 /**
365  * sandbox_eth_enabled() - Check if Ethernet is enabled
366  *
367  * Returns: true if Ethernet is enabled on sandbox, False if not
368  */
369 bool sandbox_eth_enabled(void);
370 
371 /**
372  * sandbox_sf_bootdev_enabled() - Check if SPI flash bootdevs should be bound
373  *
374  * Returns: true if sandbox should bind bootdevs for SPI flash, false if not
375  */
376 bool sandbox_sf_bootdev_enabled(void);
377 
378 /**
379  * sandbox_sf_set_enable_bootdevs() - Enable / disable the SPI flash bootdevs
380  *
381  * @enable: true to bind the SPI flash bootdevs, false to skip
382  */
383 void sandbox_sf_set_enable_bootdevs(bool enable);
384 
385 #endif
386