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Diffstat (limited to 'drivers/mxc/ssi/ssi_types.h')
| -rw-r--r-- | drivers/mxc/ssi/ssi_types.h | 367 |
1 files changed, 367 insertions, 0 deletions
diff --git a/drivers/mxc/ssi/ssi_types.h b/drivers/mxc/ssi/ssi_types.h new file mode 100644 index 000000000000..5d8a6b845b6f --- /dev/null +++ b/drivers/mxc/ssi/ssi_types.h @@ -0,0 +1,367 @@ +/* + * Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + + /*! + * @file ssi_types.h + * @brief This header file contains SSI types. + * + * @ingroup SSI + */ + +#ifndef __MXC_SSI_TYPES_H__ +#define __MXC_SSI_TYPES_H__ + +/*! + * This enumeration describes the FIFO number. + */ +typedef enum { + /*! + * FIFO 0 + */ + ssi_fifo_0 = 0, + /*! + * FIFO 1 + */ + ssi_fifo_1 = 1 +} fifo_nb; + +/*! + * This enumeration describes the clock idle state. + */ +typedef enum { + /*! + * Clock idle state is 1 + */ + clock_idle_state_1 = 0, + /*! + * Clock idle state is 0 + */ + clock_idle_state_0 = 1 +} idle_state; + +/*! + * This enumeration describes I2S mode. + */ +typedef enum { + /*! + * Normal mode + */ + i2s_normal = 0, + /*! + * Master mode + */ + i2s_master = 1, + /*! + * Slave mode + */ + i2s_slave = 2 +} mode_i2s; + +/*! + * This enumeration describes index for both SSI1 and SSI2 modules. + */ +typedef enum { + /*! + * SSI1 index + */ + SSI1 = 0, + /*! + * SSI2 index not present on MXC 91221 and MXC91311 + */ + SSI2 = 1 +} ssi_mod; + +/*! + * This enumeration describes the status/enable bits for interrupt source of the SSI module. + */ +typedef enum { + /*! + * SSI Transmit FIFO 0 empty bit + */ + ssi_tx_fifo_0_empty = 0x00000001, + /*! + * SSI Transmit FIFO 1 empty bit + */ + ssi_tx_fifo_1_empty = 0x00000002, + /*! + * SSI Receive FIFO 0 full bit + */ + ssi_rx_fifo_0_full = 0x00000004, + /*! + * SSI Receive FIFO 1 full bit + */ + ssi_rx_fifo_1_full = 0x00000008, + /*! + * SSI Receive Last Time Slot bit + */ + ssi_rls = 0x00000010, + /*! + * SSI Transmit Last Time Slot bit + */ + ssi_tls = 0x00000020, + /*! + * SSI Receive Frame Sync bit + */ + ssi_rfs = 0x00000040, + /*! + * SSI Transmit Frame Sync bit + */ + ssi_tfs = 0x00000080, + /*! + * SSI Transmitter underrun 0 bit + */ + ssi_transmitter_underrun_0 = 0x00000100, + /*! + * SSI Transmitter underrun 1 bit + */ + ssi_transmitter_underrun_1 = 0x00000200, + /*! + * SSI Receiver overrun 0 bit + */ + ssi_receiver_overrun_0 = 0x00000400, + /*! + * SSI Receiver overrun 1 bit + */ + ssi_receiver_overrun_1 = 0x00000800, + /*! + * SSI Transmit Data register empty 0 bit + */ + ssi_tx_data_reg_empty_0 = 0x00001000, + /*! + * SSI Transmit Data register empty 1 bit + */ + ssi_tx_data_reg_empty_1 = 0x00002000, + + /*! + * SSI Receive Data Ready 0 bit + */ + ssi_rx_data_ready_0 = 0x00004000, + /*! + * SSI Receive Data Ready 1 bit + */ + ssi_rx_data_ready_1 = 0x00008000, + /*! + * SSI Receive tag updated bit + */ + ssi_rx_tag_updated = 0x00010000, + /*! + * SSI Command data register updated bit + */ + ssi_cmd_data_reg_updated = 0x00020000, + /*! + * SSI Command address register updated bit + */ + ssi_cmd_address_reg_updated = 0x00040000, + /*! + * SSI Transmit interrupt enable bit + */ + ssi_tx_interrupt_enable = 0x00080000, + /*! + * SSI Transmit DMA enable bit + */ + ssi_tx_dma_interrupt_enable = 0x00100000, + /*! + * SSI Receive interrupt enable bit + */ + ssi_rx_interrupt_enable = 0x00200000, + /*! + * SSI Receive DMA enable bit + */ + ssi_rx_dma_interrupt_enable = 0x00400000, + /*! + * SSI Tx frame complete enable bit on MXC91221 & MXC91311 only + */ + ssi_tx_frame_complete = 0x00800000, + /*! + * SSI Rx frame complete on MXC91221 & MXC91311 only + */ + ssi_rx_frame_complete = 0x001000000 +} ssi_status_enable_mask; + +/*! + * This enumeration describes the clock edge to clock in or clock out data. + */ +typedef enum { + /*! + * Clock on rising edge + */ + ssi_clock_on_rising_edge = 0, + /*! + * Clock on falling edge + */ + ssi_clock_on_falling_edge = 1 +} ssi_tx_rx_clock_polarity; + +/*! + * This enumeration describes the clock direction. + */ +typedef enum { + /*! + * Clock is external + */ + ssi_tx_rx_externally = 0, + /*! + * Clock is generated internally + */ + ssi_tx_rx_internally = 1 +} ssi_tx_rx_direction; + +/*! + * This enumeration describes the early frame sync behavior. + */ +typedef enum { + /*! + * Frame Sync starts on the first data bit + */ + ssi_frame_sync_first_bit = 0, + /*! + * Frame Sync starts one bit before the first data bit + */ + ssi_frame_sync_one_bit_before = 1 +} ssi_tx_rx_early_frame_sync; + +/*! + * This enumeration describes the Frame Sync active value. + */ +typedef enum { + /*! + * Frame Sync is active when high + */ + ssi_frame_sync_active_high = 0, + /*! + * Frame Sync is active when low + */ + ssi_frame_sync_active_low = 1 +} ssi_tx_rx_frame_sync_active; + +/*! + * This enumeration describes the Frame Sync active length. + */ +typedef enum { + /*! + * Frame Sync is active when high + */ + ssi_frame_sync_one_word = 0, + /*! + * Frame Sync is active when low + */ + ssi_frame_sync_one_bit = 1 +} ssi_tx_rx_frame_sync_length; + +/*! + * This enumeration describes the Tx/Rx frame shift direction. + */ +typedef enum { + /*! + * MSB first + */ + ssi_msb_first = 0, + /*! + * LSB first + */ + ssi_lsb_first = 1 +} ssi_tx_rx_shift_direction; + +/*! + * This enumeration describes the wait state number. + */ +typedef enum { + /*! + * 0 wait state + */ + ssi_waitstates0 = 0x0, + /*! + * 1 wait state + */ + ssi_waitstates1 = 0x1, + /*! + * 2 wait states + */ + ssi_waitstates2 = 0x2, + /*! + * 3 wait states + */ + ssi_waitstates3 = 0x3 +} ssi_wait_states; + +/*! + * This enumeration describes the word length. + */ +typedef enum { + /*! + * 2 bits long + */ + ssi_2_bits = 0x0, + /*! + * 4 bits long + */ + ssi_4_bits = 0x1, + /*! + * 6 bits long + */ + ssi_6_bits = 0x2, + /*! + * 8 bits long + */ + ssi_8_bits = 0x3, + /*! + * 10 bits long + */ + ssi_10_bits = 0x4, + /*! + * 12 bits long + */ + ssi_12_bits = 0x5, + /*! + * 14 bits long + */ + ssi_14_bits = 0x6, + /*! + * 16 bits long + */ + ssi_16_bits = 0x7, + /*! + * 18 bits long + */ + ssi_18_bits = 0x8, + /*! + * 20 bits long + */ + ssi_20_bits = 0x9, + /*! + * 22 bits long + */ + ssi_22_bits = 0xA, + /*! + * 24 bits long + */ + ssi_24_bits = 0xB, + /*! + * 26 bits long + */ + ssi_26_bits = 0xC, + /*! + * 28 bits long + */ + ssi_28_bits = 0xD, + /*! + * 30 bits long + */ + ssi_30_bits = 0xE, + /*! + * 32 bits long + */ + ssi_32_bits = 0xF +} ssi_word_length; + +#endif /* __MXC_SSI_TYPES_H__ */ |