78 static inline bool spi_context_configured(struct spi_context *ctx,  in spi_context_configured()  argument
81 	return !!(ctx->config == config);  in spi_context_configured()
84 static inline bool spi_context_is_slave(struct spi_context *ctx)  in spi_context_is_slave()  argument
86 	return (ctx->config->operation & SPI_OP_MODE_SLAVE);  in spi_context_is_slave()
89 static inline void spi_context_lock(struct spi_context *ctx,  in spi_context_lock()  argument
96 		(k_sem_count_get(&ctx->lock) == 0) &&  in spi_context_lock()
97 		(ctx->owner == spi_cfg)) {  in spi_context_lock()
101 	k_sem_take(&ctx->lock, K_FOREVER);  in spi_context_lock()
102 	ctx->owner = spi_cfg;  in spi_context_lock()
105 	ctx->asynchronous = asynchronous;  in spi_context_lock()
106 	ctx->callback = callback;  in spi_context_lock()
107 	ctx->callback_data = callback_data;  in spi_context_lock()
111 static inline void spi_context_release(struct spi_context *ctx, int status)  in spi_context_release()  argument
114 	if (status >= 0 && (ctx->config->operation & SPI_LOCK_ON)) {  in spi_context_release()
120 	if (!ctx->asynchronous || (status < 0)) {  in spi_context_release()
121 		ctx->owner = NULL;  in spi_context_release()
122 		k_sem_give(&ctx->lock);  in spi_context_release()
125 	if (!(ctx->config->operation & SPI_LOCK_ON)) {  in spi_context_release()
126 		ctx->owner = NULL;  in spi_context_release()
127 		k_sem_give(&ctx->lock);  in spi_context_release()
132 static inline size_t spi_context_total_tx_len(struct spi_context *ctx);
133 static inline size_t spi_context_total_rx_len(struct spi_context *ctx);
135 static inline int spi_context_wait_for_completion(struct spi_context *ctx)  in spi_context_wait_for_completion()  argument
141 	wait = !ctx->asynchronous;  in spi_context_wait_for_completion()
153 		if (IS_ENABLED(CONFIG_SPI_SLAVE) && spi_context_is_slave(ctx)) {  in spi_context_wait_for_completion()
156 			uint32_t tx_len = spi_context_total_tx_len(ctx);  in spi_context_wait_for_completion()
157 			uint32_t rx_len = spi_context_total_rx_len(ctx);  in spi_context_wait_for_completion()
161 				     ctx->config->frequency;  in spi_context_wait_for_completion()
167 		if (k_sem_take(&ctx->sync, timeout)) {  in spi_context_wait_for_completion()
171 		status = ctx->sync_status;  in spi_context_wait_for_completion()
175 	if (spi_context_is_slave(ctx) && !status) {  in spi_context_wait_for_completion()
176 		return ctx->recv_frames;  in spi_context_wait_for_completion()
183 static inline void spi_context_complete(struct spi_context *ctx,  in spi_context_complete()  argument
188 	if (!ctx->asynchronous) {  in spi_context_complete()
189 		ctx->sync_status = status;  in spi_context_complete()
190 		k_sem_give(&ctx->sync);  in spi_context_complete()
192 		if (ctx->callback) {  in spi_context_complete()
194 			if (spi_context_is_slave(ctx) && !status) {  in spi_context_complete()
198 				status = ctx->recv_frames;  in spi_context_complete()
201 			ctx->callback(dev, status, ctx->callback_data);  in spi_context_complete()
204 		if (!(ctx->config->operation & SPI_LOCK_ON)) {  in spi_context_complete()
205 			ctx->owner = NULL;  in spi_context_complete()
206 			k_sem_give(&ctx->lock);  in spi_context_complete()
210 	ctx->sync_status = status;  in spi_context_complete()
211 	k_sem_give(&ctx->sync);  in spi_context_complete()
215 static inline int spi_context_cs_configure_all(struct spi_context *ctx)  in spi_context_cs_configure_all()  argument
220 	for (cs_gpio = ctx->cs_gpios; cs_gpio < &ctx->cs_gpios[ctx->num_cs_gpios]; cs_gpio++) {  in spi_context_cs_configure_all()
236 static inline void _spi_context_cs_control(struct spi_context *ctx,  in _spi_context_cs_control()  argument
239 	if (ctx->config && spi_cs_is_gpio(ctx->config)) {  in _spi_context_cs_control()
241 			gpio_pin_set_dt(&ctx->config->cs.gpio, 1);  in _spi_context_cs_control()
242 			k_busy_wait(ctx->config->cs.delay);  in _spi_context_cs_control()
245 			    ctx->config->operation & SPI_HOLD_ON_CS) {  in _spi_context_cs_control()
249 			k_busy_wait(ctx->config->cs.delay);  in _spi_context_cs_control()
250 			gpio_pin_set_dt(&ctx->config->cs.gpio, 0);  in _spi_context_cs_control()
255 static inline void spi_context_cs_control(struct spi_context *ctx, bool on)  in spi_context_cs_control()  argument
257 	_spi_context_cs_control(ctx, on, false);  in spi_context_cs_control()
260 static inline void spi_context_unlock_unconditionally(struct spi_context *ctx)  in spi_context_unlock_unconditionally()  argument
263 	_spi_context_cs_control(ctx, false, true);  in spi_context_unlock_unconditionally()
265 	if (!k_sem_count_get(&ctx->lock)) {  in spi_context_unlock_unconditionally()
266 		ctx->owner = NULL;  in spi_context_unlock_unconditionally()
267 		k_sem_give(&ctx->lock);  in spi_context_unlock_unconditionally()
291 void spi_context_buffers_setup(struct spi_context *ctx,  in spi_context_buffers_setup()  argument
298 	ctx->current_tx = tx_bufs ? tx_bufs->buffers : NULL;  in spi_context_buffers_setup()
299 	ctx->tx_count = ctx->current_tx ? tx_bufs->count : 0;  in spi_context_buffers_setup()
300 	ctx->tx_buf = (const uint8_t *)  in spi_context_buffers_setup()
301 		spi_context_get_next_buf(&ctx->current_tx, &ctx->tx_count,  in spi_context_buffers_setup()
302 					 &ctx->tx_len, dfs);  in spi_context_buffers_setup()
304 	ctx->current_rx = rx_bufs ? rx_bufs->buffers : NULL;  in spi_context_buffers_setup()
305 	ctx->rx_count = ctx->current_rx ? rx_bufs->count : 0;  in spi_context_buffers_setup()
306 	ctx->rx_buf = (uint8_t *)  in spi_context_buffers_setup()
307 		spi_context_get_next_buf(&ctx->current_rx, &ctx->rx_count,  in spi_context_buffers_setup()
308 					 &ctx->rx_len, dfs);  in spi_context_buffers_setup()
310 	ctx->sync_status = 0;  in spi_context_buffers_setup()
313 	ctx->recv_frames = 0;  in spi_context_buffers_setup()
318 		ctx->current_tx, ctx->tx_count,  in spi_context_buffers_setup()
319 		ctx->current_rx, ctx->rx_count,  in spi_context_buffers_setup()
320 		(void *)ctx->tx_buf, ctx->tx_len,  in spi_context_buffers_setup()
321 		(void *)ctx->rx_buf, ctx->rx_len);  in spi_context_buffers_setup()
325 void spi_context_update_tx(struct spi_context *ctx, uint8_t dfs, uint32_t len)  in spi_context_update_tx()  argument
327 	if (!ctx->tx_len) {  in spi_context_update_tx()
331 	if (len > ctx->tx_len) {  in spi_context_update_tx()
336 	ctx->tx_len -= len;  in spi_context_update_tx()
337 	if (!ctx->tx_len) {  in spi_context_update_tx()
339 		++ctx->current_tx;  in spi_context_update_tx()
340 		--ctx->tx_count;  in spi_context_update_tx()
341 		ctx->tx_buf = (const uint8_t *)  in spi_context_update_tx()
342 			spi_context_get_next_buf(&ctx->current_tx,  in spi_context_update_tx()
343 						 &ctx->tx_count,  in spi_context_update_tx()
344 						 &ctx->tx_len, dfs);  in spi_context_update_tx()
345 	} else if (ctx->tx_buf) {  in spi_context_update_tx()
346 		ctx->tx_buf += dfs * len;  in spi_context_update_tx()
349 	LOG_DBG("tx buf/len %p/%zu", (void *)ctx->tx_buf, ctx->tx_len);  in spi_context_update_tx()
353 bool spi_context_tx_on(struct spi_context *ctx)  in spi_context_tx_on()  argument
355 	return !!(ctx->tx_len);  in spi_context_tx_on()
359 bool spi_context_tx_buf_on(struct spi_context *ctx)  in spi_context_tx_buf_on()  argument
361 	return !!(ctx->tx_buf && ctx->tx_len);  in spi_context_tx_buf_on()
365 void spi_context_update_rx(struct spi_context *ctx, uint8_t dfs, uint32_t len)  in spi_context_update_rx()  argument
368 	if (spi_context_is_slave(ctx)) {  in spi_context_update_rx()
369 		ctx->recv_frames += len;  in spi_context_update_rx()
374 	if (!ctx->rx_len) {  in spi_context_update_rx()
378 	if (len > ctx->rx_len) {  in spi_context_update_rx()
383 	ctx->rx_len -= len;  in spi_context_update_rx()
384 	if (!ctx->rx_len) {  in spi_context_update_rx()
386 		++ctx->current_rx;  in spi_context_update_rx()
387 		--ctx->rx_count;  in spi_context_update_rx()
388 		ctx->rx_buf = (uint8_t *)  in spi_context_update_rx()
389 			spi_context_get_next_buf(&ctx->current_rx,  in spi_context_update_rx()
390 						 &ctx->rx_count,  in spi_context_update_rx()
391 						 &ctx->rx_len, dfs);  in spi_context_update_rx()
392 	} else if (ctx->rx_buf) {  in spi_context_update_rx()
393 		ctx->rx_buf += dfs * len;  in spi_context_update_rx()
396 	LOG_DBG("rx buf/len %p/%zu", (void *)ctx->rx_buf, ctx->rx_len);  in spi_context_update_rx()
400 bool spi_context_rx_on(struct spi_context *ctx)  in spi_context_rx_on()  argument
402 	return !!(ctx->rx_len);  in spi_context_rx_on()
406 bool spi_context_rx_buf_on(struct spi_context *ctx)  in spi_context_rx_buf_on()  argument
408 	return !!(ctx->rx_buf && ctx->rx_len);  in spi_context_rx_buf_on()
416 static inline size_t spi_context_max_continuous_chunk(struct spi_context *ctx)  in spi_context_max_continuous_chunk()  argument
418 	if (!ctx->tx_len) {  in spi_context_max_continuous_chunk()
419 		return ctx->rx_len;  in spi_context_max_continuous_chunk()
420 	} else if (!ctx->rx_len) {  in spi_context_max_continuous_chunk()
421 		return ctx->tx_len;  in spi_context_max_continuous_chunk()
424 	return MIN(ctx->tx_len, ctx->rx_len);  in spi_context_max_continuous_chunk()
427 static inline size_t spi_context_longest_current_buf(struct spi_context *ctx)  in spi_context_longest_current_buf()  argument
429 	return ctx->tx_len > ctx->rx_len ? ctx->tx_len : ctx->rx_len;  in spi_context_longest_current_buf()
432 static inline size_t spi_context_total_tx_len(struct spi_context *ctx)  in spi_context_total_tx_len()  argument
437 	for (n = 0; n < ctx->tx_count; ++n) {  in spi_context_total_tx_len()
438 		total_len += ctx->current_tx[n].len;  in spi_context_total_tx_len()
444 static inline size_t spi_context_total_rx_len(struct spi_context *ctx)  in spi_context_total_rx_len()  argument
449 	for (n = 0; n < ctx->rx_count; ++n) {  in spi_context_total_rx_len()
450 		total_len += ctx->current_rx[n].len;  in spi_context_total_rx_len()