10 #include <soc/tegra/bpmp.h>
11 #include <soc/tegra/bpmp-abi.h>
14 #include "bpmp-private.h"
81 static int tegra186_bpmp_ring_doorbell(struct tegra_bpmp *bpmp)  in tegra186_bpmp_ring_doorbell()  argument
83 	struct tegra186_bpmp *priv = bpmp->priv;  in tegra186_bpmp_ring_doorbell()
97 	struct tegra_bpmp *bpmp = data;  in tegra186_bpmp_ivc_notify()  local
98 	struct tegra186_bpmp *priv = bpmp->priv;  in tegra186_bpmp_ivc_notify()
103 	tegra186_bpmp_ring_doorbell(bpmp);  in tegra186_bpmp_ivc_notify()
107 				      struct tegra_bpmp *bpmp,  in tegra186_bpmp_channel_init()  argument
110 	struct tegra186_bpmp *priv = bpmp->priv;  in tegra186_bpmp_channel_init()
115 	channel->ivc = devm_kzalloc(bpmp->dev, sizeof(*channel->ivc),  in tegra186_bpmp_channel_init()
128 			     bpmp);  in tegra186_bpmp_channel_init()
130 		dev_err(bpmp->dev, "failed to setup IVC for channel %u: %d\n",  in tegra186_bpmp_channel_init()
136 	channel->bpmp = bpmp;  in tegra186_bpmp_channel_init()
146 	/* sync the channel state with BPMP */  in tegra186_bpmp_channel_reset()
158 	struct tegra_bpmp *bpmp = mbox_client_to_bpmp(client);  in mbox_handle_rx()  local
160 	tegra_bpmp_handle_rx(bpmp);  in mbox_handle_rx()
163 static int tegra186_bpmp_init(struct tegra_bpmp *bpmp)  in tegra186_bpmp_init()  argument
169 	priv = devm_kzalloc(bpmp->dev, sizeof(*priv), GFP_KERNEL);  in tegra186_bpmp_init()
173 	bpmp->priv = priv;  in tegra186_bpmp_init()
174 	priv->parent = bpmp;  in tegra186_bpmp_init()
176 	priv->tx.pool = of_gen_pool_get(bpmp->dev->of_node, "shmem", 0);  in tegra186_bpmp_init()
178 		dev_err(bpmp->dev, "TX shmem pool not found\n");  in tegra186_bpmp_init()
184 		dev_err(bpmp->dev, "failed to allocate from TX pool\n");  in tegra186_bpmp_init()
188 	priv->rx.pool = of_gen_pool_get(bpmp->dev->of_node, "shmem", 1);  in tegra186_bpmp_init()
190 		dev_err(bpmp->dev, "RX shmem pool not found\n");  in tegra186_bpmp_init()
197 		dev_err(bpmp->dev, "failed to allocate from RX pool\n");  in tegra186_bpmp_init()
202 	err = tegra186_bpmp_channel_init(bpmp->tx_channel, bpmp,  in tegra186_bpmp_init()
203 					 bpmp->soc->channels.cpu_tx.offset);  in tegra186_bpmp_init()
207 	err = tegra186_bpmp_channel_init(bpmp->rx_channel, bpmp,  in tegra186_bpmp_init()
208 					 bpmp->soc->channels.cpu_rx.offset);  in tegra186_bpmp_init()
212 	for (i = 0; i < bpmp->threaded.count; i++) {  in tegra186_bpmp_init()
213 		unsigned int index = bpmp->soc->channels.thread.offset + i;  in tegra186_bpmp_init()
215 		err = tegra186_bpmp_channel_init(&bpmp->threaded_channels[i],  in tegra186_bpmp_init()
216 						 bpmp, index);  in tegra186_bpmp_init()
222 	priv->mbox.client.dev = bpmp->dev;  in tegra186_bpmp_init()
230 		dev_err(bpmp->dev, "failed to get HSP mailbox: %d\n", err);  in tegra186_bpmp_init()
234 	tegra186_bpmp_channel_reset(bpmp->tx_channel);  in tegra186_bpmp_init()
235 	tegra186_bpmp_channel_reset(bpmp->rx_channel);  in tegra186_bpmp_init()
237 	for (i = 0; i < bpmp->threaded.count; i++)  in tegra186_bpmp_init()
238 		tegra186_bpmp_channel_reset(&bpmp->threaded_channels[i]);  in tegra186_bpmp_init()
243 	for (i = 0; i < bpmp->threaded.count; i++) {  in tegra186_bpmp_init()
244 		if (!bpmp->threaded_channels[i].bpmp)  in tegra186_bpmp_init()
247 		tegra186_bpmp_channel_cleanup(&bpmp->threaded_channels[i]);  in tegra186_bpmp_init()
250 	tegra186_bpmp_channel_cleanup(bpmp->rx_channel);  in tegra186_bpmp_init()
252 	tegra186_bpmp_channel_cleanup(bpmp->tx_channel);  in tegra186_bpmp_init()
261 static void tegra186_bpmp_deinit(struct tegra_bpmp *bpmp)  in tegra186_bpmp_deinit()  argument
263 	struct tegra186_bpmp *priv = bpmp->priv;  in tegra186_bpmp_deinit()
268 	for (i = 0; i < bpmp->threaded.count; i++)  in tegra186_bpmp_deinit()
269 		tegra186_bpmp_channel_cleanup(&bpmp->threaded_channels[i]);  in tegra186_bpmp_deinit()
271 	tegra186_bpmp_channel_cleanup(bpmp->rx_channel);  in tegra186_bpmp_deinit()
272 	tegra186_bpmp_channel_cleanup(bpmp->tx_channel);  in tegra186_bpmp_deinit()
278 static int tegra186_bpmp_resume(struct tegra_bpmp *bpmp)  in tegra186_bpmp_resume()  argument
283 	tegra186_bpmp_channel_reset(bpmp->tx_channel);  in tegra186_bpmp_resume()
284 	tegra186_bpmp_channel_reset(bpmp->rx_channel);  in tegra186_bpmp_resume()
286 	for (i = 0; i < bpmp->threaded.count; i++)  in tegra186_bpmp_resume()
287 		tegra186_bpmp_channel_reset(&bpmp->threaded_channels[i]);  in tegra186_bpmp_resume()