5  * SPDX-License-Identifier: Apache-2.0
41 /* HCI Command packet from Host to Controller */
44 /* Length of UPDATE BAUD RATE command */
62  * This function executes vendor-specific commands sequence to
64  * bt_h4_vnd_setup function must be implemented in vendor-specific HCI
81 		/* Re-configure UART */  in bt_hci_uart_set_baudrate()
98 	 *  - To speed up application downloading, the MCU host commands the CYWxxx device  in bt_update_controller_baudrate()
100 	 *    UPDATE_BAUDRATE command:  in bt_update_controller_baudrate()
102 	 *    In the above command, the xx xx xx xx bytes specify the 32-bit little-endian  in bt_update_controller_baudrate()
105 	 *  The following response to the UPDATE_BAUDRATE command is expected within 100 ms:  in bt_update_controller_baudrate()
107 	 *  - The host switches to the new baud rate after receiving the response at the old  in bt_update_controller_baudrate()
122 	/* Allocate buffer for update uart baudrate command.  in bt_update_controller_baudrate()
128 		LOG_ERR("Unable to allocate command buffer");  in bt_update_controller_baudrate()
129 		return -ENOMEM;  in bt_update_controller_baudrate()
135 	/* Send update uart baudrate command. */  in bt_update_controller_baudrate()
141 	/* Re-configure Uart baudrate */  in bt_update_controller_baudrate()
159 	/* Send hci_download_minidriver command */  in bt_firmware_download()
166 	 * command + a block of the image, followed by a hci_write_ram image at the end.  in bt_firmware_download()
167 	 * Parse and send each individual command and wait for the response. This is to  in bt_firmware_download()
171 		size_t data_length = data[2]; /* data length from firmware image block */  in bt_firmware_download()
174 		/* Allocate buffer for hci_write_ram/hci_launch_ram command. */  in bt_firmware_download()
177 			LOG_ERR("Unable to allocate command buffer");  in bt_firmware_download()
184 		/* Send hci_write_ram command. */  in bt_firmware_download()
192 			/* Update remaining length and data pointer:  in bt_firmware_download()
193 			 * content of data length + 2 bytes of opcode and 1 byte of data length.  in bt_firmware_download()
196 			remaining_length -= data_length + 3;  in bt_firmware_download()
204 			return -ENOMEM;  in bt_firmware_download()
221 		return -EINVAL;  in bt_h4_vnd_setup()
230 			bt_reg_on.port->name, bt_reg_on.pin);  in bt_h4_vnd_setup()
231 		return -EIO;  in bt_h4_vnd_setup()
238 			err, bt_reg_on.port->name, bt_reg_on.pin);  in bt_h4_vnd_setup()
260 	/* Re-configure baudrate for BT Controller */  in bt_h4_vnd_setup()