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()
82 static int a6xx_hfi_wait_for_ack(struct a6xx_gmu *gmu, u32 id, u32 seqnum,  in a6xx_hfi_wait_for_ack()  argument
85 	struct a6xx_hfi_queue *queue = &gmu->queues[HFI_RESPONSE_QUEUE];  in a6xx_hfi_wait_for_ack()
90 	ret = gmu_poll_timeout(gmu, REG_A6XX_GMU_GMU2HOST_INTR_INFO, val,  in a6xx_hfi_wait_for_ack()
94 		DRM_DEV_ERROR(gmu->dev,  in a6xx_hfi_wait_for_ack()
101 	gmu_write(gmu, REG_A6XX_GMU_GMU2HOST_INTR_CLR,  in a6xx_hfi_wait_for_ack()
113 			DRM_DEV_ERROR(gmu->dev,  in a6xx_hfi_wait_for_ack()
123 			DRM_DEV_ERROR(gmu->dev, "GMU firmware error %d\n",  in a6xx_hfi_wait_for_ack()
129 			DRM_DEV_ERROR(gmu->dev,  in a6xx_hfi_wait_for_ack()
136 			DRM_DEV_ERROR(gmu->dev,  in a6xx_hfi_wait_for_ack()
151 static int a6xx_hfi_send_msg(struct a6xx_gmu *gmu, int id,  in a6xx_hfi_send_msg()  argument
154 	struct a6xx_hfi_queue *queue = &gmu->queues[HFI_COMMAND_QUEUE];  in a6xx_hfi_send_msg()
164 	ret = a6xx_hfi_queue_write(gmu, queue, data, dwords);  in a6xx_hfi_send_msg()
166 		DRM_DEV_ERROR(gmu->dev, "Unable to send message %s id %d\n",  in a6xx_hfi_send_msg()
171 	return a6xx_hfi_wait_for_ack(gmu, id, seqnum, payload, payload_size);  in a6xx_hfi_send_msg()
174 static int a6xx_hfi_send_gmu_init(struct a6xx_gmu *gmu, int boot_state)  in a6xx_hfi_send_gmu_init()  argument
178 	msg.dbg_buffer_addr = (u32) gmu->debug->iova;  in a6xx_hfi_send_gmu_init()
179 	msg.dbg_buffer_size = (u32) gmu->debug->size;  in a6xx_hfi_send_gmu_init()
182 	return a6xx_hfi_send_msg(gmu, HFI_H2F_MSG_INIT, &msg, sizeof(msg),  in a6xx_hfi_send_gmu_init()
186 static int a6xx_hfi_get_fw_version(struct a6xx_gmu *gmu, u32 *version)  in a6xx_hfi_get_fw_version()  argument
193 	return a6xx_hfi_send_msg(gmu, HFI_H2F_MSG_FW_VERSION, &msg, sizeof(msg),  in a6xx_hfi_get_fw_version()
197 static int a6xx_hfi_send_perf_table(struct a6xx_gmu *gmu)  in a6xx_hfi_send_perf_table()  argument
202 	msg.num_gpu_levels = gmu->nr_gpu_freqs;  in a6xx_hfi_send_perf_table()
203 	msg.num_gmu_levels = gmu->nr_gmu_freqs;  in a6xx_hfi_send_perf_table()
205 	for (i = 0; i < gmu->nr_gpu_freqs; i++) {  in a6xx_hfi_send_perf_table()
206 		msg.gx_votes[i].vote = gmu->gx_arc_votes[i];  in a6xx_hfi_send_perf_table()
207 		msg.gx_votes[i].freq = gmu->gpu_freqs[i] / 1000;  in a6xx_hfi_send_perf_table()
210 	for (i = 0; i < gmu->nr_gmu_freqs; i++) {  in a6xx_hfi_send_perf_table()
211 		msg.cx_votes[i].vote = gmu->cx_arc_votes[i];  in a6xx_hfi_send_perf_table()
212 		msg.cx_votes[i].freq = gmu->gmu_freqs[i] / 1000;  in a6xx_hfi_send_perf_table()
215 	return a6xx_hfi_send_msg(gmu, HFI_H2F_MSG_PERF_TABLE, &msg, sizeof(msg),  in a6xx_hfi_send_perf_table()
219 static int a6xx_hfi_send_bw_table(struct a6xx_gmu *gmu)  in a6xx_hfi_send_bw_table()  argument
262 	return a6xx_hfi_send_msg(gmu, HFI_H2F_MSG_BW_TABLE, &msg, sizeof(msg),  in a6xx_hfi_send_bw_table()
266 static int a6xx_hfi_send_test(struct a6xx_gmu *gmu)  in a6xx_hfi_send_test()  argument
270 	return a6xx_hfi_send_msg(gmu, HFI_H2F_MSG_TEST, &msg, sizeof(msg),  in a6xx_hfi_send_test()
274 int a6xx_hfi_start(struct a6xx_gmu *gmu, int boot_state)  in a6xx_hfi_start()  argument
278 	ret = a6xx_hfi_send_gmu_init(gmu, boot_state);  in a6xx_hfi_start()
282 	ret = a6xx_hfi_get_fw_version(gmu, NULL);  in a6xx_hfi_start()
292 	ret = a6xx_hfi_send_perf_table(gmu);  in a6xx_hfi_start()
296 	ret = a6xx_hfi_send_bw_table(gmu);  in a6xx_hfi_start()
304 	a6xx_hfi_send_test(gmu);  in a6xx_hfi_start()
309 void a6xx_hfi_stop(struct a6xx_gmu *gmu)  in a6xx_hfi_stop()  argument
313 	for (i = 0; i < ARRAY_SIZE(gmu->queues); i++) {  in a6xx_hfi_stop()
314 		struct a6xx_hfi_queue *queue = &gmu->queues[i];  in a6xx_hfi_stop()
320 			DRM_DEV_ERROR(gmu->dev, "HFI queue %d is not empty\n", i);  in a6xx_hfi_stop()
351 void a6xx_hfi_init(struct a6xx_gmu *gmu)  in a6xx_hfi_init()  argument
353 	struct a6xx_gmu_bo *hfi = gmu->hfi;  in a6xx_hfi_init()
364 	table_size += (ARRAY_SIZE(gmu->queues) *  in a6xx_hfi_init()
372 	table->num_queues = ARRAY_SIZE(gmu->queues);  in a6xx_hfi_init()
373 	table->active_queues = ARRAY_SIZE(gmu->queues);  in a6xx_hfi_init()
377 	a6xx_hfi_queue_init(&gmu->queues[0], &headers[0], hfi->virt + offset,  in a6xx_hfi_init()
382 	a6xx_hfi_queue_init(&gmu->queues[1], &headers[1], hfi->virt + offset,  in a6xx_hfi_init()