drivers/remoteproc/st_remoteproc.c

77 	struct st_rproc *ddata = rproc->priv;
85 	ret = mbox_send_message(ddata->mbox_chan[vqid * MBOX_MAX + MBOX_TX],
167 	struct st_rproc *ddata = rproc->priv;
170 	regmap_update_bits(ddata->boot_base, ddata->boot_offset,
171 			   ddata->config->bootaddr_mask, rproc->bootaddr);
173 	err = clk_enable(ddata->clk);
179 	if (ddata->config->sw_reset) {
180 		err = reset_control_deassert(ddata->sw_reset);
187 	if (ddata->config->pwr_reset) {
188 		err = reset_control_deassert(ddata->pwr_reset);
201 	if (ddata->config->pwr_reset)
202 		reset_control_assert(ddata->sw_reset);
204 	clk_disable(ddata->clk);
211 	struct st_rproc *ddata = rproc->priv;
214 	if (ddata->config->sw_reset) {
215 		sw_err = reset_control_assert(ddata->sw_reset);
220 	if (ddata->config->pwr_reset) {
221 		pwr_err = reset_control_assert(ddata->pwr_reset);
226 	clk_disable(ddata->clk);
248 	struct st_rproc *ddata = rproc->priv;
251 	if (ddata->config->sw_reset)
252 		reset_sw = reset_control_status(ddata->sw_reset);
254 	if (ddata->config->pwr_reset)
255 		reset_pwr = reset_control_status(ddata->pwr_reset);
286 	struct st_rproc *ddata = rproc->priv;
290 	if (ddata->config->sw_reset) {
291 		ddata->sw_reset = devm_reset_control_get_exclusive(dev,
293 		if (IS_ERR(ddata->sw_reset)) {
295 			return PTR_ERR(ddata->sw_reset);
299 	if (ddata->config->pwr_reset) {
300 		ddata->pwr_reset = devm_reset_control_get_exclusive(dev,
302 		if (IS_ERR(ddata->pwr_reset)) {
304 			return PTR_ERR(ddata->pwr_reset);
308 	ddata->clk = devm_clk_get(dev, NULL);
309 	if (IS_ERR(ddata->clk)) {
311 		return PTR_ERR(ddata->clk);
314 	err = of_property_read_u32(np, "clock-frequency", &ddata->clk_rate);
320 	ddata->boot_base = syscon_regmap_lookup_by_phandle(np, "st,syscfg");
321 	if (IS_ERR(ddata->boot_base)) {
323 		return PTR_ERR(ddata->boot_base);
327 					 &ddata->boot_offset);
333 	err = clk_prepare(ddata->clk);
343 	struct st_rproc *ddata;
350 	rproc = devm_rproc_alloc(dev, np->name, &st_rproc_ops, NULL, sizeof(*ddata));
355 	ddata = rproc->priv;
356 	ddata->config = (struct st_rproc_config *)device_get_match_data(dev);
357 	if (!ddata->config)
376 		clk_set_rate(ddata->clk, ddata->clk_rate);
380 		ddata->mbox_client_vq0.dev		= dev;
381 		ddata->mbox_client_vq0.tx_done		= NULL;
382 		ddata->mbox_client_vq0.tx_block	= false;
383 		ddata->mbox_client_vq0.knows_txdone	= false;
384 		ddata->mbox_client_vq0.rx_callback	= st_rproc_mbox_callback_vq0;
386 		ddata->mbox_client_vq1.dev		= dev;
387 		ddata->mbox_client_vq1.tx_done		= NULL;
388 		ddata->mbox_client_vq1.tx_block	= false;
389 		ddata->mbox_client_vq1.knows_txdone	= false;
390 		ddata->mbox_client_vq1.rx_callback	= st_rproc_mbox_callback_vq1;
396 		chan = mbox_request_channel_byname(&ddata->mbox_client_vq0, "vq0_rx");
402 		ddata->mbox_chan[ST_RPROC_VQ0 * MBOX_MAX + MBOX_RX] = chan;
404 		chan = mbox_request_channel_byname(&ddata->mbox_client_vq0, "vq0_tx");
410 		ddata->mbox_chan[ST_RPROC_VQ0 * MBOX_MAX + MBOX_TX] = chan;
412 		chan = mbox_request_channel_byname(&ddata->mbox_client_vq1, "vq1_rx");
418 		ddata->mbox_chan[ST_RPROC_VQ1 * MBOX_MAX + MBOX_RX] = chan;
420 		chan = mbox_request_channel_byname(&ddata->mbox_client_vq1, "vq1_tx");
426 		ddata->mbox_chan[ST_RPROC_VQ1 * MBOX_MAX + MBOX_TX] = chan;
437 		mbox_free_channel(ddata->mbox_chan[i]);
439 	clk_unprepare(ddata->clk);
447 	struct st_rproc *ddata = rproc->priv;
452 	clk_disable_unprepare(ddata->clk);
455 		mbox_free_channel(ddata->mbox_chan[i]);