86 static inline bool is_valid_host(spi_host_device_t host)  in is_valid_host()  argument
89     return host >= SPI1_HOST && host <= SPI2_HOST;  in is_valid_host()
91     return host >= SPI1_HOST && host <= SPI3_HOST;  in is_valid_host()
97 bool spicommon_periph_claim(spi_host_device_t host, const char* source)  in spicommon_periph_claim()  argument
100     bool ret = atomic_compare_exchange_strong(&spi_periph_claimed[host], &false_var, true);  in spicommon_periph_claim()
102         spi_claiming_func[host] = source;  in spicommon_periph_claim()
103         periph_module_enable(spi_periph_signal[host].module);  in spicommon_periph_claim()
105         ESP_EARLY_LOGE(SPI_TAG, "SPI%d already claimed by %s.", host+1, spi_claiming_func[host]);  in spicommon_periph_claim()
110 bool spicommon_periph_in_use(spi_host_device_t host)  in spicommon_periph_in_use()  argument
112     return atomic_load(&spi_periph_claimed[host]);  in spicommon_periph_in_use()
116 bool spicommon_periph_free(spi_host_device_t host)  in spicommon_periph_free()  argument
119     bool ret = atomic_compare_exchange_strong(&spi_periph_claimed[host], &true_var, false);  in spicommon_periph_free()
120     if (ret) periph_module_disable(spi_periph_signal[host].module);  in spicommon_periph_free()
124 int spicommon_irqsource_for_host(spi_host_device_t host)  in spicommon_irqsource_for_host()  argument
126     return spi_periph_signal[host].irq;  in spicommon_irqsource_for_host()
129 int spicommon_irqdma_source_for_host(spi_host_device_t host)  in spicommon_irqdma_source_for_host()  argument
131     return spi_periph_signal[host].irq_dma;  in spicommon_irqdma_source_for_host()
169 static void connect_spi_and_dma(spi_host_device_t host, int dma_chan)  in connect_spi_and_dma()  argument
172     DPORT_SET_PERI_REG_BITS(DPORT_SPI_DMA_CHAN_SEL_REG, 3, dma_chan, (host * 2));  in connect_spi_and_dma()
365 static bool check_iomux_pins_oct(spi_host_device_t host, const spi_bus_config_t* bus_config)  in check_iomux_pins_oct()  argument
367     if (host != SPI2_HOST) {  in check_iomux_pins_oct()
383 static bool check_iomux_pins_quad(spi_host_device_t host, const spi_bus_config_t* bus_config)  in check_iomux_pins_quad()  argument
386         bus_config->sclk_io_num != spi_periph_signal[host].spiclk_iomux_pin) {  in check_iomux_pins_quad()
390         bus_config->quadwp_io_num != spi_periph_signal[host].spiwp_iomux_pin) {  in check_iomux_pins_quad()
394         bus_config->quadhd_io_num != spi_periph_signal[host].spihd_iomux_pin) {  in check_iomux_pins_quad()
398         bus_config->mosi_io_num != spi_periph_signal[host].spid_iomux_pin) {  in check_iomux_pins_quad()
402         bus_config->miso_io_num != spi_periph_signal[host].spiq_iomux_pin) {  in check_iomux_pins_quad()
408 static bool bus_uses_iomux_pins(spi_host_device_t host, const spi_bus_config_t* bus_config)  in bus_uses_iomux_pins()  argument
414         return check_iomux_pins_oct(host, bus_config);  in bus_uses_iomux_pins()
417     return check_iomux_pins_quad(host, bus_config);  in bus_uses_iomux_pins()
421 static void bus_iomux_pins_set_oct(spi_host_device_t host, const spi_bus_config_t* bus_config)  in bus_iomux_pins_set_oct()  argument
423     assert(host == SPI2_HOST);  in bus_iomux_pins_set_oct()
426 …int io_signals[] = {spi_periph_signal[host].spid_in, spi_periph_signal[host].spiq_in, spi_periph_s…  in bus_iomux_pins_set_oct()
427 …spi_periph_signal[host].spihd_in,spi_periph_signal[host].spiclk_in, spi_periph_signal[host].spid4_…  in bus_iomux_pins_set_oct()
428 …spi_periph_signal[host].spid5_out, spi_periph_signal[host].spid6_out, spi_periph_signal[host].spid…  in bus_iomux_pins_set_oct()
439 static void bus_iomux_pins_set_quad(spi_host_device_t host, const spi_bus_config_t* bus_config)  in bus_iomux_pins_set_quad()  argument
442         gpio_iomux_in(bus_config->mosi_io_num, spi_periph_signal[host].spid_in);  in bus_iomux_pins_set_quad()
443         gpio_iomux_out(bus_config->mosi_io_num, spi_periph_signal[host].func, false);  in bus_iomux_pins_set_quad()
446         gpio_iomux_in(bus_config->miso_io_num, spi_periph_signal[host].spiq_in);  in bus_iomux_pins_set_quad()
447         gpio_iomux_out(bus_config->miso_io_num, spi_periph_signal[host].func, false);  in bus_iomux_pins_set_quad()
450         gpio_iomux_in(bus_config->quadwp_io_num, spi_periph_signal[host].spiwp_in);  in bus_iomux_pins_set_quad()
451         gpio_iomux_out(bus_config->quadwp_io_num, spi_periph_signal[host].func, false);  in bus_iomux_pins_set_quad()
454         gpio_iomux_in(bus_config->quadhd_io_num, spi_periph_signal[host].spihd_in);  in bus_iomux_pins_set_quad()
455         gpio_iomux_out(bus_config->quadhd_io_num, spi_periph_signal[host].func, false);  in bus_iomux_pins_set_quad()
458         gpio_iomux_in(bus_config->sclk_io_num, spi_periph_signal[host].spiclk_in);  in bus_iomux_pins_set_quad()
459         gpio_iomux_out(bus_config->sclk_io_num, spi_periph_signal[host].func, false);  in bus_iomux_pins_set_quad()
463 static void bus_iomux_pins_set(spi_host_device_t host, const spi_bus_config_t* bus_config)  in bus_iomux_pins_set()  argument
467         bus_iomux_pins_set_oct(host, bus_config);  in bus_iomux_pins_set()
471     bus_iomux_pins_set_quad(host, bus_config);  in bus_iomux_pins_set()
479 esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_config_t *bus_config, u…  in spicommon_bus_initialize_io()  argument
489 …SPI_CHECK(host == SPI2_HOST || !((flags & SPICOMMON_BUSFLAG_OCTAL) == SPICOMMON_BUSFLAG_OCTAL), "O…  in spicommon_bus_initialize_io()
563 …  bool use_iomux = !(flags & SPICOMMON_BUSFLAG_GPIO_PINS) && bus_uses_iomux_pins(host, bus_config);  in spicommon_bus_initialize_io()
604         ESP_LOGD(SPI_TAG, "SPI%d use iomux pins.", host+1);  in spicommon_bus_initialize_io()
605         bus_iomux_pins_set(host, bus_config);  in spicommon_bus_initialize_io()
608         ESP_LOGD(SPI_TAG, "SPI%d use gpio matrix.", host+1);  in spicommon_bus_initialize_io()
612 …esp_rom_gpio_connect_out_signal(bus_config->mosi_io_num, spi_periph_signal[host].spid_out, false, …  in spicommon_bus_initialize_io()
616 …   esp_rom_gpio_connect_in_signal(bus_config->mosi_io_num, spi_periph_signal[host].spid_in, false);  in spicommon_bus_initialize_io()
625 …esp_rom_gpio_connect_out_signal(bus_config->miso_io_num, spi_periph_signal[host].spiq_out, false, …  in spicommon_bus_initialize_io()
629 …   esp_rom_gpio_connect_in_signal(bus_config->miso_io_num, spi_periph_signal[host].spiq_in, false);  in spicommon_bus_initialize_io()
637 …esp_rom_gpio_connect_out_signal(bus_config->quadwp_io_num, spi_periph_signal[host].spiwp_out, fals…  in spicommon_bus_initialize_io()
638 …esp_rom_gpio_connect_in_signal(bus_config->quadwp_io_num, spi_periph_signal[host].spiwp_in, false);  in spicommon_bus_initialize_io()
646 …esp_rom_gpio_connect_out_signal(bus_config->quadhd_io_num, spi_periph_signal[host].spihd_out, fals…  in spicommon_bus_initialize_io()
647 …esp_rom_gpio_connect_in_signal(bus_config->quadhd_io_num, spi_periph_signal[host].spihd_in, false);  in spicommon_bus_initialize_io()
656 …esp_rom_gpio_connect_out_signal(bus_config->sclk_io_num, spi_periph_signal[host].spiclk_out, false…  in spicommon_bus_initialize_io()
660 … esp_rom_gpio_connect_in_signal(bus_config->sclk_io_num, spi_periph_signal[host].spiclk_in, false);  in spicommon_bus_initialize_io()
669 … uint8_t io_signals[4][2] = {{spi_periph_signal[host].spid4_out, spi_periph_signal[host].spid4_in},  in spicommon_bus_initialize_io()
670 …                             {spi_periph_signal[host].spid5_out, spi_periph_signal[host].spid5_in},  in spicommon_bus_initialize_io()
671 …                             {spi_periph_signal[host].spid6_out, spi_periph_signal[host].spid6_in},  in spicommon_bus_initialize_io()
672 …                            {spi_periph_signal[host].spid7_out, spi_periph_signal[host].spid7_in}};  in spicommon_bus_initialize_io()
710 void spicommon_cs_initialize(spi_host_device_t host, int cs_io_num, int cs_num, int force_gpio_matr…  in spicommon_cs_initialize()  argument
712 …  if (!force_gpio_matrix && cs_io_num == spi_periph_signal[host].spics0_iomux_pin && cs_num == 0) {  in spicommon_cs_initialize()
714         gpio_iomux_in(cs_io_num, spi_periph_signal[host].spics_in);  in spicommon_cs_initialize()
715         gpio_iomux_out(cs_io_num, spi_periph_signal[host].func, false);  in spicommon_cs_initialize()
720 …esp_rom_gpio_connect_out_signal(cs_io_num, spi_periph_signal[host].spics_out[cs_num], false, false…  in spicommon_cs_initialize()
724 …if (cs_num == 0) esp_rom_gpio_connect_in_signal(cs_io_num, spi_periph_signal[host].spics_in, false…  in spicommon_cs_initialize()
736 bool spicommon_bus_using_iomux(spi_host_device_t host)  in spicommon_bus_using_iomux()  argument
740     CHECK_IOMUX_PIN(host, spid);  in spicommon_bus_using_iomux()
741     CHECK_IOMUX_PIN(host, spiq);  in spicommon_bus_using_iomux()
742     CHECK_IOMUX_PIN(host, spiwp);  in spicommon_bus_using_iomux()
743     CHECK_IOMUX_PIN(host, spihd);  in spicommon_bus_using_iomux()