5  * SPDX-License-Identifier: Apache-2.0
39 	struct spi_context ctx;  member
56 	return -ENOMEM;  in get_hw_block_num()
59 static uint8_t get_dfs_value(struct spi_context *ctx)  in get_dfs_value()  argument
61 	switch (SPI_WORD_SIZE_GET(ctx->config->operation)) {  in get_dfs_value()
75 	struct ifx_cat1_spi_data *const data = dev->data;  in transfer_chunk()
76 	struct spi_context *ctx = &data->ctx;  in transfer_chunk()  local
78 	size_t chunk_len = spi_context_max_continuous_chunk(ctx);  in transfer_chunk()
84 	data->chunk_len = chunk_len;  in transfer_chunk()
87 		&data->obj, ctx->tx_buf, spi_context_tx_buf_on(ctx) ? chunk_len : 0, ctx->rx_buf,  in transfer_chunk()
88 		spi_context_rx_buf_on(ctx) ? chunk_len : 0);  in transfer_chunk()
93 	ret = -EIO;  in transfer_chunk()
96 	spi_context_cs_control(ctx, false);  in transfer_chunk()
97 	spi_context_complete(ctx, dev, ret);  in transfer_chunk()
103 	struct ifx_cat1_spi_data *const data = dev->data;  in spi_interrupt_callback()
104 	struct spi_context *ctx = &data->ctx;  in spi_interrupt_callback()  local
108 		cyhal_spi_abort_async(&data->obj);  in spi_interrupt_callback()
110 		spi_context_cs_control(ctx, false);  in spi_interrupt_callback()
111 		spi_context_complete(ctx, dev, -EIO);  in spi_interrupt_callback()
115 		spi_context_update_tx(ctx, data->dfs_value, data->chunk_len);  in spi_interrupt_callback()
116 		spi_context_update_rx(ctx, data->dfs_value, data->chunk_len);  in spi_interrupt_callback()
125 	struct ifx_cat1_spi_data *const data = dev->data;  in spi_config()
126 	const struct ifx_cat1_spi_config *const config = dev->config;  in spi_config()
127 	cy_stc_scb_spi_config_t scb_spi_config = config->scb_spi_config;  in spi_config()
128 	struct spi_context *ctx = &data->ctx;  in spi_config()  local
133 	if (spi_context_configured(ctx, spi_cfg)) {  in spi_config()
138 	if (SPI_MODE_GET(spi_cfg->operation) & SPI_MODE_LOOP) {  in spi_config()
139 		return -ENOTSUP;  in spi_config()
142 	if (SPI_WORD_SIZE_GET(spi_cfg->operation) > IFX_CAT1_SPI_MAX_DATA_WIDTH) {  in spi_config()
143 		LOG_ERR("Word size %d is greater than %d", SPI_WORD_SIZE_GET(spi_cfg->operation),  in spi_config()
145 		return -EINVAL;  in spi_config()
148 	if (SPI_WORD_SIZE_GET(spi_cfg->operation) < IFX_CAT1_SPI_MIN_DATA_WIDTH) {  in spi_config()
149 		LOG_ERR("Word size %d is less than %d", SPI_WORD_SIZE_GET(spi_cfg->operation),  in spi_config()
151 		return -EINVAL;  in spi_config()
154 	if (SPI_OP_MODE_GET(spi_cfg->operation) == SPI_OP_MODE_SLAVE) {  in spi_config()
162 	if (SPI_MODE_GET(spi_cfg->operation) & SPI_MODE_CPOL) {  in spi_config()
166 	if (SPI_MODE_GET(spi_cfg->operation) & SPI_MODE_CPHA) {  in spi_config()
170 	if (SPI_WORD_SIZE_GET(spi_cfg->operation)) {  in spi_config()
171 		scb_spi_config.txDataWidth = SPI_WORD_SIZE_GET(spi_cfg->operation);  in spi_config()
172 		scb_spi_config.rxDataWidth = SPI_WORD_SIZE_GET(spi_cfg->operation);  in spi_config()
183 	scb_spi_config.enableMsbFirst = (spi_cfg->operation & SPI_TRANSFER_LSB) ? false : true;  in spi_config()
186 	if (data->obj.base != NULL) {  in spi_config()
187 		cyhal_spi_free(&data->obj);  in spi_config()
191 	cyhal_spi_configurator_t spi_init_cfg = {.resource = &data->hw_resource,  in spi_config()
193 						 .gpios = {NC, {NC, NC, NC, NC}, NC, NC}};  in spi_config()
195 	result = cyhal_spi_init_cfg(&data->obj, &spi_init_cfg);  in spi_config()
197 		return -ENOTSUP;  in spi_config()
201 	en_clk_dst_t clk_idx = _cyhal_scb_get_clock_index(spi_init_cfg.resource->block_num);  in spi_config()
203 	result = _cyhal_utils_peri_pclk_assign_divider(clk_idx, &data->obj.clock);  in spi_config()
205 		return -ENOTSUP;  in spi_config()
209 	if (SPI_OP_MODE_GET(spi_cfg->operation) == SPI_OP_MODE_SLAVE) {  in spi_config()
210 		Cy_SCB_SPI_SetActiveSlaveSelectPolarity(data->obj.base, CY_SCB_SPI_SLAVE_SELECT0,  in spi_config()
215 	result = cyhal_spi_set_frequency(&data->obj, spi_cfg->frequency);  in spi_config()
217 		return -EIO;  in spi_config()
221 	data->obj.write_fill = 0;  in spi_config()
224 	cyhal_spi_register_callback(&data->obj, spi_interrupt_callback, (void *)dev);  in spi_config()
225 	cyhal_spi_enable_event(&data->obj, CYHAL_SPI_IRQ_DONE, config->irq_priority, true);  in spi_config()
228 	ctx->config = spi_cfg;  in spi_config()
230 	data->dfs_value = get_dfs_value(ctx);  in spi_config()
240 	struct ifx_cat1_spi_data *const data = dev->data;  in transceive()
241 	struct spi_context *ctx = &data->ctx;  in transceive()  local
243 	spi_context_lock(ctx, asynchronous, cb, userdata, spi_cfg);  in transceive()
251 	spi_context_buffers_setup(ctx, tx_bufs, rx_bufs, data->dfs_value);  in transceive()
253 	spi_context_cs_control(ctx, true);  in transceive()
257 	result = spi_context_wait_for_completion(&data->ctx);  in transceive()
259 	spi_context_release(ctx, result);  in transceive()
283 	struct ifx_cat1_spi_data *const data = dev->data;  in ifx_cat1_spi_release()
285 	cyhal_spi_free(&data->obj);  in ifx_cat1_spi_release()
303 	struct ifx_cat1_spi_data *const data = dev->data;  in ifx_cat1_spi_init()
304 	const struct ifx_cat1_spi_config *const config = dev->config;  in ifx_cat1_spi_init()
308 	data->hw_resource.type = CYHAL_RSC_SCB;  in ifx_cat1_spi_init()
309 	data->hw_resource.block_num = get_hw_block_num(config->reg_addr);  in ifx_cat1_spi_init()
312 	ret = pinctrl_apply_state(config->pcfg, PINCTRL_STATE_DEFAULT);  in ifx_cat1_spi_init()
318 	spi_context_cs_configure_all(&data->ctx);  in ifx_cat1_spi_init()
320 	spi_context_unlock_unconditionally(&data->ctx);  in ifx_cat1_spi_init()
328 		SPI_CONTEXT_INIT_LOCK(spi_cat1_data_##n, ctx),                                     \
329 		SPI_CONTEXT_INIT_SYNC(spi_cat1_data_##n, ctx),                                     \
330 		SPI_CONTEXT_CS_GPIOS_INITIALIZE(DT_DRV_INST(n), ctx)};                             \