xref: /linux/drivers/gpu/drm/imagination/pvr_fw_meta.c (revision f6e8dc9edf963dbc99085e54f6ced6da9daa6100)
1 // SPDX-License-Identifier: GPL-2.0-only OR MIT
2 /* Copyright (c) 2023 Imagination Technologies Ltd. */
3 
4 #include "pvr_device.h"
5 #include "pvr_fw.h"
6 #include "pvr_fw_info.h"
7 #include "pvr_fw_meta.h"
8 #include "pvr_gem.h"
9 #include "pvr_rogue_cr_defs.h"
10 #include "pvr_rogue_meta.h"
11 #include "pvr_vm.h"
12 
13 #include <linux/compiler.h>
14 #include <linux/delay.h>
15 #include <linux/firmware.h>
16 #include <linux/ktime.h>
17 #include <linux/types.h>
18 
19 #include <drm/drm_print.h>
20 
21 #define ROGUE_FW_HEAP_META_SHIFT 25 /* 32 MB */
22 
23 #define POLL_TIMEOUT_USEC 1000000
24 
25 /**
26  * pvr_meta_cr_read32() - Read a META register via the Slave Port
27  * @pvr_dev: Device pointer.
28  * @reg_addr: Address of register to read.
29  * @reg_value_out: Pointer to location to store register value.
30  *
31  * Returns:
32  *  * 0 on success, or
33  *  * Any error returned by pvr_cr_poll_reg32().
34  */
35 int
36 pvr_meta_cr_read32(struct pvr_device *pvr_dev, u32 reg_addr, u32 *reg_value_out)
37 {
38 	int err;
39 
40 	/* Wait for Slave Port to be Ready. */
41 	err = pvr_cr_poll_reg32(pvr_dev, ROGUE_CR_META_SP_MSLVCTRL1,
42 				ROGUE_CR_META_SP_MSLVCTRL1_READY_EN |
43 					ROGUE_CR_META_SP_MSLVCTRL1_GBLPORT_IDLE_EN,
44 				ROGUE_CR_META_SP_MSLVCTRL1_READY_EN |
45 					ROGUE_CR_META_SP_MSLVCTRL1_GBLPORT_IDLE_EN,
46 				POLL_TIMEOUT_USEC);
47 	if (err)
48 		return err;
49 
50 	/* Issue a Read. */
51 	pvr_cr_write32(pvr_dev, ROGUE_CR_META_SP_MSLVCTRL0,
52 		       reg_addr | ROGUE_CR_META_SP_MSLVCTRL0_RD_EN);
53 	(void)pvr_cr_read32(pvr_dev, ROGUE_CR_META_SP_MSLVCTRL0); /* Fence write. */
54 
55 	/* Wait for Slave Port to be Ready. */
56 	err = pvr_cr_poll_reg32(pvr_dev, ROGUE_CR_META_SP_MSLVCTRL1,
57 				ROGUE_CR_META_SP_MSLVCTRL1_READY_EN |
58 					ROGUE_CR_META_SP_MSLVCTRL1_GBLPORT_IDLE_EN,
59 				ROGUE_CR_META_SP_MSLVCTRL1_READY_EN |
60 					ROGUE_CR_META_SP_MSLVCTRL1_GBLPORT_IDLE_EN,
61 				POLL_TIMEOUT_USEC);
62 	if (err)
63 		return err;
64 
65 	*reg_value_out = pvr_cr_read32(pvr_dev, ROGUE_CR_META_SP_MSLVDATAX);
66 
67 	return 0;
68 }
69 
70 static int
71 pvr_meta_wrapper_init(struct pvr_device *pvr_dev)
72 {
73 	u64 garten_config;
74 
75 	/* Configure META to Master boot. */
76 	pvr_cr_write64(pvr_dev, ROGUE_CR_META_BOOT, ROGUE_CR_META_BOOT_MODE_EN);
77 
78 	/* Set Garten IDLE to META idle and Set the Garten Wrapper BIF Fence address. */
79 
80 	/* Garten IDLE bit controlled by META. */
81 	garten_config = ROGUE_CR_MTS_GARTEN_WRAPPER_CONFIG_IDLE_CTRL_META;
82 
83 	/* The fence addr is set during the fw init sequence. */
84 
85 	/* Set PC = 0 for fences. */
86 	garten_config &=
87 		ROGUE_CR_MTS_GARTEN_WRAPPER_CONFIG_FENCE_PC_BASE_CLRMSK;
88 	garten_config |=
89 		(u64)MMU_CONTEXT_MAPPING_FWPRIV
90 		<< ROGUE_CR_MTS_GARTEN_WRAPPER_CONFIG_FENCE_PC_BASE_SHIFT;
91 
92 	/* Set SLC DM=META. */
93 	garten_config |= ((u64)ROGUE_FW_SEGMMU_META_BIFDM_ID)
94 			 << ROGUE_CR_MTS_GARTEN_WRAPPER_CONFIG_FENCE_DM_SHIFT;
95 
96 	pvr_cr_write64(pvr_dev, ROGUE_CR_MTS_GARTEN_WRAPPER_CONFIG, garten_config);
97 
98 	return 0;
99 }
100 
101 static __always_inline void
102 add_boot_arg(u32 **boot_conf, u32 param, u32 data)
103 {
104 	*(*boot_conf)++ = param;
105 	*(*boot_conf)++ = data;
106 }
107 
108 static int
109 meta_ldr_cmd_loadmem(struct drm_device *drm_dev, const u8 *fw,
110 		     struct rogue_meta_ldr_l1_data_blk *l1_data, u32 coremem_size, u8 *fw_code_ptr,
111 		     u8 *fw_data_ptr, u8 *fw_core_code_ptr, u8 *fw_core_data_ptr, const u32 fw_size)
112 {
113 	struct rogue_meta_ldr_l2_data_blk *l2_block =
114 		(struct rogue_meta_ldr_l2_data_blk *)(fw +
115 						      l1_data->cmd_data[1]);
116 	struct pvr_device *pvr_dev = to_pvr_device(drm_dev);
117 	u32 offset = l1_data->cmd_data[0];
118 	u32 data_size;
119 	void *write_addr;
120 	int err;
121 
122 	/* Verify header is within bounds. */
123 	if (((u8 *)l2_block - fw) >= fw_size || ((u8 *)(l2_block + 1) - fw) >= fw_size)
124 		return -EINVAL;
125 
126 	data_size = l2_block->length - 6 /* L2 Tag length and checksum */;
127 
128 	/* Verify data is within bounds. */
129 	if (((u8 *)l2_block->block_data - fw) >= fw_size ||
130 	    ((((u8 *)l2_block->block_data) + data_size) - fw) >= fw_size)
131 		return -EINVAL;
132 
133 	if (!ROGUE_META_IS_COREMEM_CODE(offset, coremem_size) &&
134 	    !ROGUE_META_IS_COREMEM_DATA(offset, coremem_size)) {
135 		/* Global range is aliased to local range */
136 		offset &= ~META_MEM_GLOBAL_RANGE_BIT;
137 	}
138 
139 	err = pvr_fw_find_mmu_segment(pvr_dev, offset, data_size, fw_code_ptr, fw_data_ptr,
140 				      fw_core_code_ptr, fw_core_data_ptr, &write_addr);
141 	if (err) {
142 		drm_err(drm_dev,
143 			"Addr 0x%x (size: %d) not found in any firmware segment",
144 			offset, data_size);
145 		return err;
146 	}
147 
148 	memcpy(write_addr, l2_block->block_data, data_size);
149 
150 	return 0;
151 }
152 
153 static int
154 meta_ldr_cmd_zeromem(struct drm_device *drm_dev,
155 		     struct rogue_meta_ldr_l1_data_blk *l1_data, u32 coremem_size,
156 		     u8 *fw_code_ptr, u8 *fw_data_ptr, u8 *fw_core_code_ptr, u8 *fw_core_data_ptr)
157 {
158 	struct pvr_device *pvr_dev = to_pvr_device(drm_dev);
159 	u32 offset = l1_data->cmd_data[0];
160 	u32 byte_count = l1_data->cmd_data[1];
161 	void *write_addr;
162 	int err;
163 
164 	if (ROGUE_META_IS_COREMEM_DATA(offset, coremem_size)) {
165 		/* cannot zero coremem directly */
166 		return 0;
167 	}
168 
169 	/* Global range is aliased to local range */
170 	offset &= ~META_MEM_GLOBAL_RANGE_BIT;
171 
172 	err = pvr_fw_find_mmu_segment(pvr_dev, offset, byte_count, fw_code_ptr, fw_data_ptr,
173 				      fw_core_code_ptr, fw_core_data_ptr, &write_addr);
174 	if (err) {
175 		drm_err(drm_dev,
176 			"Addr 0x%x (size: %d) not found in any firmware segment",
177 			offset, byte_count);
178 		return err;
179 	}
180 
181 	memset(write_addr, 0, byte_count);
182 
183 	return 0;
184 }
185 
186 static int
187 meta_ldr_cmd_config(struct drm_device *drm_dev, const u8 *fw,
188 		    struct rogue_meta_ldr_l1_data_blk *l1_data,
189 		    const u32 fw_size, u32 **boot_conf_ptr)
190 {
191 	struct rogue_meta_ldr_l2_data_blk *l2_block =
192 		(struct rogue_meta_ldr_l2_data_blk *)(fw +
193 						      l1_data->cmd_data[0]);
194 	struct rogue_meta_ldr_cfg_blk *config_command;
195 	u32 l2_block_size;
196 	u32 curr_block_size = 0;
197 	u32 *boot_conf = boot_conf_ptr ? *boot_conf_ptr : NULL;
198 
199 	/* Verify block header is within bounds. */
200 	if (((u8 *)l2_block - fw) >= fw_size || ((u8 *)(l2_block + 1) - fw) >= fw_size)
201 		return -EINVAL;
202 
203 	l2_block_size = l2_block->length - 6 /* L2 Tag length and checksum */;
204 	config_command = (struct rogue_meta_ldr_cfg_blk *)l2_block->block_data;
205 
206 	if (((u8 *)config_command - fw) >= fw_size ||
207 	    ((((u8 *)config_command) + l2_block_size) - fw) >= fw_size)
208 		return -EINVAL;
209 
210 	while (l2_block_size >= 12) {
211 		if (config_command->type != ROGUE_META_LDR_CFG_WRITE)
212 			return -EINVAL;
213 
214 		/*
215 		 * Only write to bootloader if we got a valid pointer to the FW
216 		 * code allocation.
217 		 */
218 		if (boot_conf) {
219 			u32 register_offset = config_command->block_data[0];
220 			u32 register_value = config_command->block_data[1];
221 
222 			/* Do register write */
223 			add_boot_arg(&boot_conf, register_offset,
224 				     register_value);
225 		}
226 
227 		curr_block_size = 12;
228 		l2_block_size -= curr_block_size;
229 		config_command = (struct rogue_meta_ldr_cfg_blk
230 					  *)((uintptr_t)config_command +
231 					     curr_block_size);
232 	}
233 
234 	if (boot_conf_ptr)
235 		*boot_conf_ptr = boot_conf;
236 
237 	return 0;
238 }
239 
240 /**
241  * process_ldr_command_stream() - Process LDR firmware image and populate
242  *                                firmware sections
243  * @pvr_dev: Device pointer.
244  * @fw: Pointer to firmware image.
245  * @fw_code_ptr: Pointer to FW code section.
246  * @fw_data_ptr: Pointer to FW data section.
247  * @fw_core_code_ptr: Pointer to FW coremem code section.
248  * @fw_core_data_ptr: Pointer to FW coremem data section.
249  * @boot_conf_ptr: Pointer to boot config argument pointer.
250  *
251  * Returns :
252  *  * 0 on success, or
253  *  * -EINVAL on any error in LDR command stream.
254  */
255 static int
256 process_ldr_command_stream(struct pvr_device *pvr_dev, const u8 *fw, u8 *fw_code_ptr,
257 			   u8 *fw_data_ptr, u8 *fw_core_code_ptr,
258 			   u8 *fw_core_data_ptr, u32 **boot_conf_ptr)
259 {
260 	struct drm_device *drm_dev = from_pvr_device(pvr_dev);
261 	struct rogue_meta_ldr_block_hdr *ldr_header =
262 		(struct rogue_meta_ldr_block_hdr *)fw;
263 	struct rogue_meta_ldr_l1_data_blk *l1_data =
264 		(struct rogue_meta_ldr_l1_data_blk *)(fw + ldr_header->sl_data);
265 	const u32 fw_size = pvr_dev->fw_dev.firmware->size;
266 	int err;
267 
268 	u32 *boot_conf = boot_conf_ptr ? *boot_conf_ptr : NULL;
269 	u32 coremem_size;
270 
271 	err = PVR_FEATURE_VALUE(pvr_dev, meta_coremem_size, &coremem_size);
272 	if (err)
273 		return err;
274 
275 	coremem_size *= SZ_1K;
276 
277 	while (l1_data) {
278 		/* Verify block header is within bounds. */
279 		if (((u8 *)l1_data - fw) >= fw_size || ((u8 *)(l1_data + 1) - fw) >= fw_size)
280 			return -EINVAL;
281 
282 		if (ROGUE_META_LDR_BLK_IS_COMMENT(l1_data->cmd)) {
283 			/* Don't process comment blocks */
284 			goto next_block;
285 		}
286 
287 		switch (l1_data->cmd & ROGUE_META_LDR_CMD_MASK)
288 		case ROGUE_META_LDR_CMD_LOADMEM: {
289 			err = meta_ldr_cmd_loadmem(drm_dev, fw, l1_data,
290 						   coremem_size,
291 						   fw_code_ptr, fw_data_ptr,
292 						   fw_core_code_ptr,
293 						   fw_core_data_ptr, fw_size);
294 			if (err)
295 				return err;
296 			break;
297 
298 		case ROGUE_META_LDR_CMD_START_THREADS:
299 			/* Don't process this block */
300 			break;
301 
302 		case ROGUE_META_LDR_CMD_ZEROMEM:
303 			err = meta_ldr_cmd_zeromem(drm_dev, l1_data,
304 						   coremem_size,
305 						   fw_code_ptr, fw_data_ptr,
306 						   fw_core_code_ptr,
307 						   fw_core_data_ptr);
308 			if (err)
309 				return err;
310 			break;
311 
312 		case ROGUE_META_LDR_CMD_CONFIG:
313 			err = meta_ldr_cmd_config(drm_dev, fw, l1_data, fw_size,
314 						  &boot_conf);
315 			if (err)
316 				return err;
317 			break;
318 
319 		default:
320 			return -EINVAL;
321 		}
322 
323 next_block:
324 		if (l1_data->next == 0xFFFFFFFF)
325 			break;
326 
327 		l1_data = (struct rogue_meta_ldr_l1_data_blk *)(fw +
328 								l1_data->next);
329 	}
330 
331 	if (boot_conf_ptr)
332 		*boot_conf_ptr = boot_conf;
333 
334 	return 0;
335 }
336 
337 static void
338 configure_seg_id(u64 seg_out_addr, u32 seg_base, u32 seg_limit, u32 seg_id,
339 		 u32 **boot_conf_ptr)
340 {
341 	u32 seg_out_addr0 = seg_out_addr & 0x00000000FFFFFFFFUL;
342 	u32 seg_out_addr1 = (seg_out_addr >> 32) & 0x00000000FFFFFFFFUL;
343 	u32 *boot_conf = *boot_conf_ptr;
344 
345 	/* META segments have a minimum size. */
346 	u32 limit_off = max(seg_limit, ROGUE_FW_SEGMMU_ALIGN);
347 
348 	/* The limit is an offset, therefore off = size - 1. */
349 	limit_off -= 1;
350 
351 	seg_base |= ROGUE_FW_SEGMMU_ALLTHRS_WRITEABLE;
352 
353 	add_boot_arg(&boot_conf, META_CR_MMCU_SEGMENT_N_BASE(seg_id), seg_base);
354 	add_boot_arg(&boot_conf, META_CR_MMCU_SEGMENT_N_LIMIT(seg_id), limit_off);
355 	add_boot_arg(&boot_conf, META_CR_MMCU_SEGMENT_N_OUTA0(seg_id), seg_out_addr0);
356 	add_boot_arg(&boot_conf, META_CR_MMCU_SEGMENT_N_OUTA1(seg_id), seg_out_addr1);
357 
358 	*boot_conf_ptr = boot_conf;
359 }
360 
361 static u64 get_fw_obj_gpu_addr(struct pvr_fw_object *fw_obj)
362 {
363 	struct pvr_device *pvr_dev = to_pvr_device(gem_from_pvr_gem(fw_obj->gem)->dev);
364 	struct pvr_fw_device *fw_dev = &pvr_dev->fw_dev;
365 
366 	return fw_obj->fw_addr_offset + fw_dev->fw_heap_info.gpu_addr;
367 }
368 
369 static void
370 configure_seg_mmu(struct pvr_device *pvr_dev, u32 **boot_conf_ptr)
371 {
372 	const struct pvr_fw_layout_entry *layout_entries = pvr_dev->fw_dev.layout_entries;
373 	u32 num_layout_entries = pvr_dev->fw_dev.header->layout_entry_num;
374 	u64 seg_out_addr_top;
375 
376 	seg_out_addr_top =
377 		ROGUE_FW_SEGMMU_OUTADDR_TOP_SLC(MMU_CONTEXT_MAPPING_FWPRIV,
378 						ROGUE_FW_SEGMMU_META_BIFDM_ID);
379 
380 	for (u32 i = 0; i < num_layout_entries; i++) {
381 		/*
382 		 * FW code is using the bootloader segment which is already
383 		 * configured on boot. FW coremem code and data don't use the
384 		 * segment MMU. Only the FW data segment needs to be configured.
385 		 */
386 		if (layout_entries[i].type == FW_DATA) {
387 			u32 seg_id = ROGUE_FW_SEGMMU_DATA_ID;
388 			u64 seg_out_addr = get_fw_obj_gpu_addr(pvr_dev->fw_dev.mem.data_obj);
389 
390 			seg_out_addr += layout_entries[i].alloc_offset;
391 			seg_out_addr |= seg_out_addr_top;
392 
393 			/* Write the sequence to the bootldr. */
394 			configure_seg_id(seg_out_addr,
395 					 layout_entries[i].base_addr,
396 					 layout_entries[i].alloc_size, seg_id,
397 					 boot_conf_ptr);
398 
399 			break;
400 		}
401 	}
402 }
403 
404 static void
405 configure_meta_caches(u32 **boot_conf_ptr)
406 {
407 	u32 *boot_conf = *boot_conf_ptr;
408 	u32 d_cache_t0, i_cache_t0;
409 	u32 d_cache_t1, i_cache_t1;
410 	u32 d_cache_t2, i_cache_t2;
411 	u32 d_cache_t3, i_cache_t3;
412 
413 	/* Initialise I/Dcache settings */
414 	d_cache_t0 = META_CR_SYSC_DCPARTX_CACHED_WRITE_ENABLE;
415 	d_cache_t1 = META_CR_SYSC_DCPARTX_CACHED_WRITE_ENABLE;
416 	d_cache_t2 = META_CR_SYSC_DCPARTX_CACHED_WRITE_ENABLE;
417 	d_cache_t3 = META_CR_SYSC_DCPARTX_CACHED_WRITE_ENABLE;
418 	i_cache_t0 = 0;
419 	i_cache_t1 = 0;
420 	i_cache_t2 = 0;
421 	i_cache_t3 = 0;
422 
423 	d_cache_t0 |= META_CR_SYSC_XCPARTX_LOCAL_ADDR_FULL_CACHE;
424 	i_cache_t0 |= META_CR_SYSC_XCPARTX_LOCAL_ADDR_FULL_CACHE;
425 
426 	/* Local region MMU enhanced bypass: WIN-3 mode for code and data caches */
427 	add_boot_arg(&boot_conf, META_CR_MMCU_LOCAL_EBCTRL,
428 		     META_CR_MMCU_LOCAL_EBCTRL_ICWIN |
429 			     META_CR_MMCU_LOCAL_EBCTRL_DCWIN);
430 
431 	/* Data cache partitioning thread 0 to 3 */
432 	add_boot_arg(&boot_conf, META_CR_SYSC_DCPART(0), d_cache_t0);
433 	add_boot_arg(&boot_conf, META_CR_SYSC_DCPART(1), d_cache_t1);
434 	add_boot_arg(&boot_conf, META_CR_SYSC_DCPART(2), d_cache_t2);
435 	add_boot_arg(&boot_conf, META_CR_SYSC_DCPART(3), d_cache_t3);
436 
437 	/* Enable data cache hits */
438 	add_boot_arg(&boot_conf, META_CR_MMCU_DCACHE_CTRL,
439 		     META_CR_MMCU_XCACHE_CTRL_CACHE_HITS_EN);
440 
441 	/* Instruction cache partitioning thread 0 to 3 */
442 	add_boot_arg(&boot_conf, META_CR_SYSC_ICPART(0), i_cache_t0);
443 	add_boot_arg(&boot_conf, META_CR_SYSC_ICPART(1), i_cache_t1);
444 	add_boot_arg(&boot_conf, META_CR_SYSC_ICPART(2), i_cache_t2);
445 	add_boot_arg(&boot_conf, META_CR_SYSC_ICPART(3), i_cache_t3);
446 
447 	/* Enable instruction cache hits */
448 	add_boot_arg(&boot_conf, META_CR_MMCU_ICACHE_CTRL,
449 		     META_CR_MMCU_XCACHE_CTRL_CACHE_HITS_EN);
450 
451 	add_boot_arg(&boot_conf, 0x040000C0, 0);
452 
453 	*boot_conf_ptr = boot_conf;
454 }
455 
456 static int
457 pvr_meta_fw_process(struct pvr_device *pvr_dev, const u8 *fw,
458 		    u8 *fw_code_ptr, u8 *fw_data_ptr, u8 *fw_core_code_ptr, u8 *fw_core_data_ptr,
459 		    u32 core_code_alloc_size)
460 {
461 	struct pvr_fw_device *fw_dev = &pvr_dev->fw_dev;
462 	u32 *boot_conf;
463 	int err;
464 
465 	boot_conf = ((u32 *)fw_code_ptr) + ROGUE_FW_BOOTLDR_CONF_OFFSET;
466 
467 	/* Slave port and JTAG accesses are privileged. */
468 	add_boot_arg(&boot_conf, META_CR_SYSC_JTAG_THREAD,
469 		     META_CR_SYSC_JTAG_THREAD_PRIV_EN);
470 
471 	configure_seg_mmu(pvr_dev, &boot_conf);
472 
473 	/* Populate FW sections from LDR image. */
474 	err = process_ldr_command_stream(pvr_dev, fw, fw_code_ptr, fw_data_ptr, fw_core_code_ptr,
475 					 fw_core_data_ptr, &boot_conf);
476 	if (err)
477 		return err;
478 
479 	configure_meta_caches(&boot_conf);
480 
481 	/* End argument list. */
482 	add_boot_arg(&boot_conf, 0, 0);
483 
484 	if (fw_dev->mem.core_code_obj) {
485 		u32 core_code_fw_addr;
486 
487 		pvr_fw_object_get_fw_addr(fw_dev->mem.core_code_obj, &core_code_fw_addr);
488 		add_boot_arg(&boot_conf, core_code_fw_addr, core_code_alloc_size);
489 	} else {
490 		add_boot_arg(&boot_conf, 0, 0);
491 	}
492 	/* None of the cores supported by this driver have META DMA. */
493 	add_boot_arg(&boot_conf, 0, 0);
494 
495 	return 0;
496 }
497 
498 static int
499 pvr_meta_init(struct pvr_device *pvr_dev)
500 {
501 	pvr_fw_heap_info_init(pvr_dev, ROGUE_FW_HEAP_META_SHIFT, 0);
502 
503 	return 0;
504 }
505 
506 static u32
507 pvr_meta_get_fw_addr_with_offset(struct pvr_fw_object *fw_obj, u32 offset)
508 {
509 	u32 fw_addr = fw_obj->fw_addr_offset + offset + ROGUE_FW_SEGMMU_DATA_BASE_ADDRESS;
510 
511 	/* META cacheability is determined by address. */
512 	if (fw_obj->gem->flags & PVR_BO_FW_FLAGS_DEVICE_UNCACHED)
513 		fw_addr |= ROGUE_FW_SEGMMU_DATA_META_UNCACHED |
514 			   ROGUE_FW_SEGMMU_DATA_VIVT_SLC_UNCACHED;
515 
516 	return fw_addr;
517 }
518 
519 static int
520 pvr_meta_vm_map(struct pvr_device *pvr_dev, struct pvr_fw_object *fw_obj)
521 {
522 	struct pvr_gem_object *pvr_obj = fw_obj->gem;
523 
524 	return pvr_vm_map(pvr_dev->kernel_vm_ctx, pvr_obj, 0, fw_obj->fw_mm_node.start,
525 			  pvr_gem_object_size(pvr_obj));
526 }
527 
528 static void
529 pvr_meta_vm_unmap(struct pvr_device *pvr_dev, struct pvr_fw_object *fw_obj)
530 {
531 	struct pvr_gem_object *pvr_obj = fw_obj->gem;
532 
533 	pvr_vm_unmap_obj(pvr_dev->kernel_vm_ctx, pvr_obj,
534 			 fw_obj->fw_mm_node.start, fw_obj->fw_mm_node.size);
535 }
536 
537 static bool
538 pvr_meta_irq_pending(struct pvr_device *pvr_dev)
539 {
540 	return pvr_cr_read32(pvr_dev, ROGUE_CR_META_SP_MSLVIRQSTATUS) &
541 	       ROGUE_CR_META_SP_MSLVIRQSTATUS_TRIGVECT2_EN;
542 }
543 
544 static void
545 pvr_meta_irq_clear(struct pvr_device *pvr_dev)
546 {
547 	pvr_cr_write32(pvr_dev, ROGUE_CR_META_SP_MSLVIRQSTATUS,
548 		       ROGUE_CR_META_SP_MSLVIRQSTATUS_TRIGVECT2_CLRMSK);
549 }
550 
551 const struct pvr_fw_defs pvr_fw_defs_meta = {
552 	.init = pvr_meta_init,
553 	.fw_process = pvr_meta_fw_process,
554 	.vm_map = pvr_meta_vm_map,
555 	.vm_unmap = pvr_meta_vm_unmap,
556 	.get_fw_addr_with_offset = pvr_meta_get_fw_addr_with_offset,
557 	.wrapper_init = pvr_meta_wrapper_init,
558 	.irq_pending = pvr_meta_irq_pending,
559 	.irq_clear = pvr_meta_irq_clear,
560 	.has_fixed_data_addr = false,
561 };
562