};
/**
- * zynqmp_gqspi_read: For GQSPI controller read operation
+ * zynqmp_gqspi_read - For GQSPI controller read operation
* @xqspi: Pointer to the zynqmp_qspi structure
* @offset: Offset from where to read
+ * Return: Value at the offset
*/
static u32 zynqmp_gqspi_read(struct zynqmp_qspi *xqspi, u32 offset)
{
}
/**
- * zynqmp_gqspi_write: For GQSPI controller write operation
+ * zynqmp_gqspi_write - For GQSPI controller write operation
* @xqspi: Pointer to the zynqmp_qspi structure
* @offset: Offset where to write
* @val: Value to be written
}
/**
- * zynqmp_gqspi_selectslave: For selection of slave device
+ * zynqmp_gqspi_selectslave - For selection of slave device
* @instanceptr: Pointer to the zynqmp_qspi structure
* @slavecs: For chip select
* @slavebus: To check which bus is selected- upper or lower
}
/**
- * zynqmp_qspi_init_hw: Initialize the hardware
+ * zynqmp_qspi_init_hw - Initialize the hardware
* @xqspi: Pointer to the zynqmp_qspi structure
*
* The default settings of the QSPI controller's configurable parameters on
}
/**
- * zynqmp_qspi_copy_read_data: Copy data to RX buffer
+ * zynqmp_qspi_copy_read_data - Copy data to RX buffer
* @xqspi: Pointer to the zynqmp_qspi structure
* @data: The variable where data is stored
* @size: Number of bytes to be copied from data to RX buffer
}
/**
- * zynqmp_prepare_transfer_hardware: Prepares hardware for transfer.
+ * zynqmp_prepare_transfer_hardware - Prepares hardware for transfer.
* @master: Pointer to the spi_master structure which provides
* information about the controller.
*
}
/**
- * zynqmp_unprepare_transfer_hardware: Relaxes hardware after transfer
+ * zynqmp_unprepare_transfer_hardware - Relaxes hardware after transfer
* @master: Pointer to the spi_master structure which provides
* information about the controller.
*
}
/**
- * zynqmp_qspi_chipselect: Select or deselect the chip select line
+ * zynqmp_qspi_chipselect - Select or deselect the chip select line
* @qspi: Pointer to the spi_device structure
* @is_high: Select(0) or deselect (1) the chip select line
*/
}
/**
- * zynqmp_qspi_setup_transfer: Configure QSPI controller for specified
+ * zynqmp_qspi_setup_transfer - Configure QSPI controller for specified
* transfer
* @qspi: Pointer to the spi_device structure
* @transfer: Pointer to the spi_transfer structure which provides
}
/**
- * zynqmp_qspi_setup: Configure the QSPI controller
+ * zynqmp_qspi_setup - Configure the QSPI controller
* @qspi: Pointer to the spi_device structure
*
* Sets the operational mode of QSPI controller for the next QSPI transfer,
}
/**
- * zynqmp_qspi_filltxfifo: Fills the TX FIFO as long as there is room in
+ * zynqmp_qspi_filltxfifo - Fills the TX FIFO as long as there is room in
* the FIFO or the bytes required to be
* transmitted.
* @xqspi: Pointer to the zynqmp_qspi structure
}
/**
- * zynqmp_qspi_readrxfifo: Fills the RX FIFO as long as there is room in
+ * zynqmp_qspi_readrxfifo - Fills the RX FIFO as long as there is room in
* the FIFO.
* @xqspi: Pointer to the zynqmp_qspi structure
* @size: Number of bytes to be copied from RX buffer to RX FIFO
}
/**
- * zynqmp_process_dma_irq: Handler for DMA done interrupt of QSPI
+ * zynqmp_process_dma_irq - Handler for DMA done interrupt of QSPI
* controller
* @xqspi: zynqmp_qspi instance pointer
*
}
/**
- * zynqmp_qspi_irq: Interrupt service routine of the QSPI controller
+ * zynqmp_qspi_irq - Interrupt service routine of the QSPI controller
* @irq: IRQ number
* @dev_id: Pointer to the xqspi structure
*
}
/**
- * zynqmp_qspi_selectspimode: Selects SPI mode - x1 or x2 or x4.
+ * zynqmp_qspi_selectspimode - Selects SPI mode - x1 or x2 or x4.
* @xqspi: xqspi is a pointer to the GQSPI instance
* @spimode: spimode - SPI or DUAL or QUAD.
* Return: Mask to set desired SPI mode in GENFIFO entry.
}
/**
- * zynq_qspi_setuprxdma: This function sets up the RX DMA operation
+ * zynq_qspi_setuprxdma - This function sets up the RX DMA operation
* @xqspi: xqspi is a pointer to the GQSPI instance.
*/
static void zynq_qspi_setuprxdma(struct zynqmp_qspi *xqspi)
}
/**
- * zynqmp_qspi_txrxsetup: This function checks the TX/RX buffers in
+ * zynqmp_qspi_txrxsetup - This function checks the TX/RX buffers in
* the transfer and sets up the GENFIFO entries,
* TX FIFO as required.
* @xqspi: xqspi is a pointer to the GQSPI instance.
}
/**
- * zynqmp_qspi_start_transfer: Initiates the QSPI transfer
+ * zynqmp_qspi_start_transfer - Initiates the QSPI transfer
* @master: Pointer to the spi_master structure which provides
* information about the controller.
* @qspi: Pointer to the spi_device structure
}
/**
- * zynqmp_qspi_suspend: Suspend method for the QSPI driver
+ * zynqmp_qspi_suspend - Suspend method for the QSPI driver
* @dev: Address of the platform_device structure
*
* This function stops the QSPI driver queue and disables the QSPI controller
}
/**
- * zynqmp_qspi_resume: Resume method for the QSPI driver
+ * zynqmp_qspi_resume - Resume method for the QSPI driver
* @dev: Address of the platform_device structure
*
* The function starts the QSPI driver queue and initializes the QSPI
};
/**
- * zynqmp_qspi_probe: Probe method for the QSPI driver
+ * zynqmp_qspi_probe - Probe method for the QSPI driver
* @pdev: Pointer to the platform_device structure
*
* This function initializes the driver data structures and the hardware.
}
/**
- * zynqmp_qspi_remove: Remove method for the QSPI driver
+ * zynqmp_qspi_remove - Remove method for the QSPI driver
* @pdev: Pointer to the platform_device structure
*
* This function is called if a device is physically removed from the system or
projects / platform / kernel / linux-starfive.git / commitdiff