54 static int a6xx_hfi_queue_write(struct a6xx_gmu *gmu,  in a6xx_hfi_queue_write()  argument
78 	gmu_write(gmu, REG_A6XX_GMU_HOST2GMU_INTR_SET, 0x01);  in a6xx_hfi_queue_write()
99 static void a6xx_hfi_handle_ack(struct a6xx_gmu *gmu,  in a6xx_hfi_handle_ack()  argument
123 	dev_err(gmu->dev, "Nobody was waiting for HFI message %d\n", seqnum);  in a6xx_hfi_handle_ack()
126 static void a6xx_hfi_handle_error(struct a6xx_gmu *gmu,  in a6xx_hfi_handle_error()  argument
131 	dev_err(gmu->dev, "GMU firmware error %d\n", error->code);  in a6xx_hfi_handle_error()
136 	struct a6xx_gmu *gmu = (struct a6xx_gmu *) data;  in a6xx_hfi_task()  local
137 	struct a6xx_hfi_queue *queue = &gmu->queues[HFI_RESPONSE_QUEUE];  in a6xx_hfi_task()
148 				dev_err(gmu->dev,  in a6xx_hfi_task()
156 			a6xx_hfi_handle_ack(gmu, &resp);  in a6xx_hfi_task()
158 			a6xx_hfi_handle_error(gmu, &resp);  in a6xx_hfi_task()
162 static int a6xx_hfi_send_msg(struct a6xx_gmu *gmu, int id,  in a6xx_hfi_send_msg()  argument
165 	struct a6xx_hfi_queue *queue = &gmu->queues[HFI_COMMAND_QUEUE];  in a6xx_hfi_send_msg()
184 	ret = a6xx_hfi_queue_write(gmu, queue, data, dwords);  in a6xx_hfi_send_msg()
186 		dev_err(gmu->dev, "Unable to send message %s id %d\n",  in a6xx_hfi_send_msg()
195 		dev_err(gmu->dev,  in a6xx_hfi_send_msg()
211 		dev_err(gmu->dev, "Message %s id %d returned error %d\n",  in a6xx_hfi_send_msg()
225 static int a6xx_hfi_send_gmu_init(struct a6xx_gmu *gmu, int boot_state)  in a6xx_hfi_send_gmu_init()  argument
229 	msg.dbg_buffer_addr = (u32) gmu->debug->iova;  in a6xx_hfi_send_gmu_init()
230 	msg.dbg_buffer_size = (u32) gmu->debug->size;  in a6xx_hfi_send_gmu_init()
233 	return a6xx_hfi_send_msg(gmu, HFI_H2F_MSG_INIT, &msg, sizeof(msg),  in a6xx_hfi_send_gmu_init()
237 static int a6xx_hfi_get_fw_version(struct a6xx_gmu *gmu, u32 *version)  in a6xx_hfi_get_fw_version()  argument
244 	return a6xx_hfi_send_msg(gmu, HFI_H2F_MSG_FW_VERSION, &msg, sizeof(msg),  in a6xx_hfi_get_fw_version()
248 static int a6xx_hfi_send_perf_table(struct a6xx_gmu *gmu)  in a6xx_hfi_send_perf_table()  argument
253 	msg.num_gpu_levels = gmu->nr_gpu_freqs;  in a6xx_hfi_send_perf_table()
254 	msg.num_gmu_levels = gmu->nr_gmu_freqs;  in a6xx_hfi_send_perf_table()
256 	for (i = 0; i < gmu->nr_gpu_freqs; i++) {  in a6xx_hfi_send_perf_table()
257 		msg.gx_votes[i].vote = gmu->gx_arc_votes[i];  in a6xx_hfi_send_perf_table()
258 		msg.gx_votes[i].freq = gmu->gpu_freqs[i] / 1000;  in a6xx_hfi_send_perf_table()
261 	for (i = 0; i < gmu->nr_gmu_freqs; i++) {  in a6xx_hfi_send_perf_table()
262 		msg.cx_votes[i].vote = gmu->cx_arc_votes[i];  in a6xx_hfi_send_perf_table()
263 		msg.cx_votes[i].freq = gmu->gmu_freqs[i] / 1000;  in a6xx_hfi_send_perf_table()
266 	return a6xx_hfi_send_msg(gmu, HFI_H2F_MSG_PERF_TABLE, &msg, sizeof(msg),  in a6xx_hfi_send_perf_table()
270 static int a6xx_hfi_send_bw_table(struct a6xx_gmu *gmu)  in a6xx_hfi_send_bw_table()  argument
313 	return a6xx_hfi_send_msg(gmu, HFI_H2F_MSG_BW_TABLE, &msg, sizeof(msg),  in a6xx_hfi_send_bw_table()
317 static int a6xx_hfi_send_test(struct a6xx_gmu *gmu)  in a6xx_hfi_send_test()  argument
321 	return a6xx_hfi_send_msg(gmu, HFI_H2F_MSG_TEST, &msg, sizeof(msg),  in a6xx_hfi_send_test()
325 int a6xx_hfi_start(struct a6xx_gmu *gmu, int boot_state)  in a6xx_hfi_start()  argument
329 	ret = a6xx_hfi_send_gmu_init(gmu, boot_state);  in a6xx_hfi_start()
333 	ret = a6xx_hfi_get_fw_version(gmu, NULL);  in a6xx_hfi_start()
343 	ret = a6xx_hfi_send_perf_table(gmu);  in a6xx_hfi_start()
347 	ret = a6xx_hfi_send_bw_table(gmu);  in a6xx_hfi_start()
355 	a6xx_hfi_send_test(gmu);  in a6xx_hfi_start()
360 void a6xx_hfi_stop(struct a6xx_gmu *gmu)  in a6xx_hfi_stop()  argument
364 	for (i = 0; i < ARRAY_SIZE(gmu->queues); i++) {  in a6xx_hfi_stop()
365 		struct a6xx_hfi_queue *queue = &gmu->queues[i];  in a6xx_hfi_stop()
371 			dev_err(gmu->dev, "HFI queue %d is not empty\n", i);  in a6xx_hfi_stop()
402 void a6xx_hfi_init(struct a6xx_gmu *gmu)  in a6xx_hfi_init()  argument
404 	struct a6xx_gmu_bo *hfi = gmu->hfi;  in a6xx_hfi_init()
415 	table_size += (ARRAY_SIZE(gmu->queues) *  in a6xx_hfi_init()
423 	table->num_queues = ARRAY_SIZE(gmu->queues);  in a6xx_hfi_init()
424 	table->active_queues = ARRAY_SIZE(gmu->queues);  in a6xx_hfi_init()
428 	a6xx_hfi_queue_init(&gmu->queues[0], &headers[0], hfi->virt + offset,  in a6xx_hfi_init()
433 	a6xx_hfi_queue_init(&gmu->queues[1], &headers[1], hfi->virt + offset,  in a6xx_hfi_init()