68 static esp_err_t start_command_read_blocks(slot_info_t *slot, sdspi_hw_cmd_t *cmd,
71 static esp_err_t start_command_write_blocks(slot_info_t *slot, sdspi_hw_cmd_t *cmd,
74 static esp_err_t start_command_default(slot_info_t *slot, int flags, sdspi_hw_cmd_t *cmd);
78 static esp_err_t poll_busy(slot_info_t *slot, int timeout_ms, bool polling);
93 static sdspi_dev_handle_t store_slot_info(slot_info_t *slot)  in store_slot_info()  argument
100     if (s_slots[slot->host_id] == NULL) {  in store_slot_info()
101         s_slots[slot->host_id] = slot;  in store_slot_info()
102         return slot->host_id;  in store_slot_info()
104         return (sdspi_dev_handle_t)slot;  in store_slot_info()
112         slot_info_t* slot = s_slots[handle];  in remove_slot_info()  local
114         return slot;  in remove_slot_info()
121 static void cs_high(slot_info_t *slot)  in cs_high()  argument
123     if (slot->gpio_cs != GPIO_UNUSED) {  in cs_high()
124         gpio_set_level(slot->gpio_cs, 1);  in cs_high()
129 static void cs_low(slot_info_t *slot)  in cs_low()  argument
131     if (slot->gpio_cs != GPIO_UNUSED) {  in cs_low()
132         gpio_set_level(slot->gpio_cs, 0);  in cs_low()
137 static bool card_write_protected(slot_info_t *slot)  in card_write_protected()  argument
139     if (slot->gpio_wp == GPIO_UNUSED) {  in card_write_protected()
142     return gpio_get_level(slot->gpio_wp) == 0;  in card_write_protected()
146 static bool card_missing(slot_info_t *slot)  in card_missing()  argument
148     if (slot->gpio_cd == GPIO_UNUSED) {  in card_missing()
151     return gpio_get_level(slot->gpio_cd) == 1;  in card_missing()
156 static esp_err_t get_block_buf(slot_info_t *slot, uint8_t **out_buf)  in get_block_buf()  argument
158     if (slot->block_buf == NULL) {  in get_block_buf()
159         slot->block_buf = heap_caps_malloc(SDSPI_BLOCK_BUF_SIZE, MALLOC_CAP_DMA);  in get_block_buf()
160         if (slot->block_buf == NULL) {  in get_block_buf()
164     *out_buf = slot->block_buf;  in get_block_buf()
170 static void release_bus(slot_info_t *slot)  in release_bus()  argument
177     spi_device_polling_transmit(slot->spi_handle, &t);  in release_bus()
182 static void go_idle_clockout(slot_info_t *slot)  in go_idle_clockout()  argument
192     spi_device_polling_transmit(slot->spi_handle, &t);  in go_idle_clockout()
202 static esp_err_t configure_spi_dev(slot_info_t *slot, int clock_speed_hz)  in configure_spi_dev()  argument
204     if (slot->spi_handle) {  in configure_spi_dev()
206         spi_bus_remove_device(slot->spi_handle);  in configure_spi_dev()
207         slot->spi_handle = NULL;  in configure_spi_dev()
217     return spi_bus_add_device(slot->host_id, &devcfg, &slot->spi_handle);  in configure_spi_dev()
225 static esp_err_t deinit_slot(slot_info_t *slot)  in deinit_slot()  argument
228     if (slot->spi_handle) {  in deinit_slot()
229         spi_bus_remove_device(slot->spi_handle);  in deinit_slot()
230         slot->spi_handle = NULL;  in deinit_slot()
231         free(slot->block_buf);  in deinit_slot()
232         slot->block_buf = NULL;  in deinit_slot()
236     if (slot->gpio_cs != GPIO_UNUSED) {  in deinit_slot()
237         pin_bit_mask |= BIT64(slot->gpio_cs);  in deinit_slot()
239     if (slot->gpio_cd != GPIO_UNUSED) {  in deinit_slot()
240         pin_bit_mask |= BIT64(slot->gpio_cd);  in deinit_slot()
242     if (slot->gpio_wp != GPIO_UNUSED) {  in deinit_slot()
243         pin_bit_mask |= BIT64(slot->gpio_wp);  in deinit_slot()
245     if (slot->gpio_int != GPIO_UNUSED) {  in deinit_slot()
246         pin_bit_mask |= BIT64(slot->gpio_int);  in deinit_slot()
247         gpio_intr_disable(slot->gpio_int);  in deinit_slot()
248         gpio_isr_handler_remove(slot->gpio_int);  in deinit_slot()
259     if (slot->semphr_int) {  in deinit_slot()
260         vSemaphoreDelete(slot->semphr_int);  in deinit_slot()
261         slot->semphr_int = NULL;  in deinit_slot()
263     free(slot);  in deinit_slot()
270     slot_info_t* slot = remove_slot_info(handle);  in sdspi_host_remove_device()  local
271     if (slot == NULL) {  in sdspi_host_remove_device()
275    deinit_slot(slot);  in sdspi_host_remove_device()
283         slot_info_t* slot = remove_slot_info(i);  in sdspi_host_deinit()  local
285         if (slot == NULL) continue;  in sdspi_host_deinit()
287         deinit_slot(slot);  in sdspi_host_deinit()
294     slot_info_t *slot = get_slot_info(handle);  in sdspi_host_set_card_clk()  local
295     if (slot == NULL) {  in sdspi_host_set_card_clk()
299     return configure_spi_dev(slot, freq_khz * 1000);  in sdspi_host_set_card_clk()
304     slot_info_t *slot = get_slot_info(handle);  in sdspi_host_get_real_freq()  local
305     if (slot == NULL) {  in sdspi_host_get_real_freq()
309     return spi_device_get_actual_freq(slot->spi_handle, real_freq_khz);  in sdspi_host_get_real_freq()
315     slot_info_t* slot = (slot_info_t*)arg;  in gpio_intr()  local
316     xSemaphoreGiveFromISR(slot->semphr_int, &awoken);  in gpio_intr()
317     gpio_intr_disable(slot->gpio_int);  in gpio_intr()
329     slot_info_t* slot = (slot_info_t*)malloc(sizeof(slot_info_t));  in sdspi_host_init_device()  local
330     if (slot == NULL) {  in sdspi_host_init_device()
333     *slot = (slot_info_t) {  in sdspi_host_init_device()
339     esp_err_t ret = configure_spi_dev(slot, SDMMC_FREQ_PROBING * 1000);  in sdspi_host_init_device()
352         slot->gpio_cs = slot_config->gpio_cs;  in sdspi_host_init_device()
354         slot->gpio_cs = GPIO_UNUSED;  in sdspi_host_init_device()
357     if (slot->gpio_cs != GPIO_UNUSED) {  in sdspi_host_init_device()
363         cs_high(slot);  in sdspi_host_init_device()
375         slot->gpio_cd = slot_config->gpio_cd;  in sdspi_host_init_device()
377         slot->gpio_cd = GPIO_UNUSED;  in sdspi_host_init_device()
382         slot->gpio_wp = slot_config->gpio_wp;  in sdspi_host_init_device()
384         slot->gpio_wp = GPIO_UNUSED;  in sdspi_host_init_device()
396         slot->gpio_int = slot_config->gpio_int;  in sdspi_host_init_device()
409         slot->semphr_int = xSemaphoreCreateBinary();  in sdspi_host_init_device()
410         if (slot->semphr_int == NULL) {  in sdspi_host_init_device()
415         gpio_intr_disable(slot->gpio_int);  in sdspi_host_init_device()
419         ret = gpio_isr_handler_add(slot->gpio_int, &gpio_intr, slot);  in sdspi_host_init_device()
425         slot->gpio_int = GPIO_UNUSED;  in sdspi_host_init_device()
429     *out_handle = store_slot_info(slot);  in sdspi_host_init_device()
432     if (slot->semphr_int) {  in sdspi_host_init_device()
433         vSemaphoreDelete(slot->semphr_int);  in sdspi_host_init_device()
434         slot->semphr_int = NULL;  in sdspi_host_init_device()
436     if (slot->spi_handle) {  in sdspi_host_init_device()
437         spi_bus_remove_device(slot->spi_handle);  in sdspi_host_init_device()
438         slot->spi_handle = NULL;  in sdspi_host_init_device()
440     free(slot);  in sdspi_host_init_device()
448     slot_info_t *slot = get_slot_info(handle);  in sdspi_host_start_command()  local
449     if (slot == NULL) {  in sdspi_host_start_command()
452     if (card_missing(slot)) {  in sdspi_host_start_command()
463     spi_device_acquire_bus(slot->spi_handle, portMAX_DELAY);  in sdspi_host_start_command()
464     poll_busy(slot, 40, true);  in sdspi_host_start_command()
469         go_idle_clockout(slot);  in sdspi_host_start_command()
474     cs_low(slot);  in sdspi_host_start_command()
480 …      ret = start_command_write_blocks(slot, cmd, data, data_size, multi_block, stop_transmission);  in sdspi_host_start_command()
482             ret = start_command_read_blocks(slot, cmd, data, data_size, stop_transmission);  in sdspi_host_start_command()
485         ret = start_command_default(slot, flags, cmd);  in sdspi_host_start_command()
487     cs_high(slot);  in sdspi_host_start_command()
489     release_bus(slot);  in sdspi_host_start_command()
490     spi_device_release_bus(slot->spi_handle);  in sdspi_host_start_command()
497             slot->data_crc_enabled = (uint8_t) cmd_arg;  in sdspi_host_start_command()
498             ESP_LOGD(TAG, "data CRC set=%d", slot->data_crc_enabled);  in sdspi_host_start_command()
504 static esp_err_t start_command_default(slot_info_t *slot, int flags, sdspi_hw_cmd_t *cmd)  in start_command_default()  argument
530     esp_err_t ret = spi_device_polling_transmit(slot->spi_handle, &t);  in start_command_default()
550         ret = poll_busy(slot, cmd->timeout_ms, no_use_polling);  in start_command_default()
560 static esp_err_t poll_busy(slot_info_t *slot, int timeout_ms, bool polling)  in poll_busy()  argument
576             ret = spi_device_polling_transmit(slot->spi_handle, &t);  in poll_busy()
578             ret = spi_device_transmit(slot->spi_handle, &t);  in poll_busy()
596 static esp_err_t poll_data_token(slot_info_t *slot, uint8_t *extra_ptr, size_t *extra_size, int tim…  in poll_data_token()  argument
608         ret = spi_device_polling_transmit(slot->spi_handle, &t);  in poll_data_token()
698 static esp_err_t start_command_read_blocks(slot_info_t *slot, sdspi_hw_cmd_t *cmd,  in start_command_read_blocks()  argument
706     esp_err_t ret = spi_device_polling_transmit(slot->spi_handle, &t_command);  in start_command_read_blocks()
744 …        ret = poll_data_token(slot, cmd_u8 + SDSPI_CMD_R1_SIZE, &extra_data_size, cmd->timeout_ms);  in start_command_read_blocks()
756         ret = get_block_buf(slot, &rx_data);  in start_command_read_blocks()
770         ret = spi_device_transmit(slot->spi_handle, &t_data);  in start_command_read_blocks()
791         if (slot->data_crc_enabled) {  in start_command_read_blocks()
811         ret = start_command_default(slot, SDSPI_CMD_FLAG_RSP_R1B, &stop_cmd);  in start_command_read_blocks()
818         ret = poll_busy(slot, cmd->timeout_ms, use_polling);  in start_command_read_blocks()
831 static esp_err_t start_command_write_blocks(slot_info_t *slot, sdspi_hw_cmd_t *cmd,  in start_command_write_blocks()  argument
834     if (card_write_protected(slot)) {  in start_command_write_blocks()
847     esp_err_t ret = spi_device_polling_transmit(slot->spi_handle, &t_command);  in start_command_write_blocks()
868         ret = spi_device_polling_transmit(slot->spi_handle, &t_start_token);  in start_command_write_blocks()
879             ret = get_block_buf(slot, &tmp);  in start_command_write_blocks()
892         ret = spi_device_transmit(slot->spi_handle, &t_data);  in start_command_write_blocks()
908         ret = spi_device_polling_transmit(slot->spi_handle, &t_crc_rsp);  in start_command_write_blocks()
927         ret = poll_busy(slot, cmd->timeout_ms, no_use_polling);  in start_command_write_blocks()
945         ret = spi_device_polling_transmit(slot->spi_handle, &t_stop_token);  in start_command_write_blocks()
950         ret = poll_busy(slot, cmd->timeout_ms, use_polling);  in start_command_write_blocks()
968     slot_info_t* slot = get_slot_info(handle);  in sdspi_host_io_int_wait()  local
970     if (gpio_get_level(slot->gpio_int)==0) return ESP_OK;  in sdspi_host_io_int_wait()
973     xSemaphoreTake(slot->semphr_int, 0);  in sdspi_host_io_int_wait()
975     gpio_intr_enable(slot->gpio_int);  in sdspi_host_io_int_wait()
976     BaseType_t ret = xSemaphoreTake(slot->semphr_int, timeout_ticks);  in sdspi_host_io_int_wait()
978         gpio_intr_disable(slot->gpio_int);  in sdspi_host_io_int_wait()