diff options
Diffstat (limited to 'include/uapi/linux/mxc_asrc.h')
| -rw-r--r-- | include/uapi/linux/mxc_asrc.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/include/uapi/linux/mxc_asrc.h b/include/uapi/linux/mxc_asrc.h new file mode 100644 index 000000000000..837deea53f5b --- /dev/null +++ b/include/uapi/linux/mxc_asrc.h @@ -0,0 +1,171 @@ +/* + * Copyright 2008-2014 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 mxc_asrc.h + * + * @brief i.MX Asynchronous Sample Rate Converter + * + * @ingroup Audio + */ + +#ifndef __MXC_ASRC_UAPI_H__ +#define __MXC_ASRC_UAPI_H__ + +#define ASRC_IOC_MAGIC 'C' + +#define ASRC_REQ_PAIR _IOWR(ASRC_IOC_MAGIC, 0, struct asrc_req) +#define ASRC_CONFIG_PAIR _IOWR(ASRC_IOC_MAGIC, 1, struct asrc_config) +#define ASRC_RELEASE_PAIR _IOW(ASRC_IOC_MAGIC, 2, enum asrc_pair_index) +#define ASRC_CONVERT _IOW(ASRC_IOC_MAGIC, 3, struct asrc_convert_buffer) +#define ASRC_START_CONV _IOW(ASRC_IOC_MAGIC, 4, enum asrc_pair_index) +#define ASRC_STOP_CONV _IOW(ASRC_IOC_MAGIC, 5, enum asrc_pair_index) +#define ASRC_STATUS _IOW(ASRC_IOC_MAGIC, 6, struct asrc_status_flags) +#define ASRC_FLUSH _IOW(ASRC_IOC_MAGIC, 7, enum asrc_pair_index) + +enum asrc_pair_index { + ASRC_INVALID_PAIR = -1, + ASRC_PAIR_A = 0, + ASRC_PAIR_B = 1, + ASRC_PAIR_C = 2, +}; + +#define ASRC_PAIR_MAX_NUM (ASRC_PAIR_C + 1) + +enum asrc_inclk { + INCLK_NONE = 0x03, + INCLK_ESAI_RX = 0x00, + INCLK_SSI1_RX = 0x01, + INCLK_SSI2_RX = 0x02, + INCLK_SSI3_RX = 0x07, + INCLK_SPDIF_RX = 0x04, + INCLK_MLB_CLK = 0x05, + INCLK_PAD = 0x06, + INCLK_ESAI_TX = 0x08, + INCLK_SSI1_TX = 0x09, + INCLK_SSI2_TX = 0x0a, + INCLK_SSI3_TX = 0x0b, + INCLK_SPDIF_TX = 0x0c, + INCLK_ASRCK1_CLK = 0x0f, +/* imx8 */ + INCLK_AUD_PLL_DIV_CLK0 = 0x10, + INCLK_AUD_PLL_DIV_CLK1 = 0x11, + INCLK_AUD_CLK0 = 0x12, + INCLK_AUD_CLK1 = 0x13, + INCLK_ESAI0_RX_CLK = 0x14, + INCLK_ESAI0_TX_CLK = 0x15, + INCLK_SPDIF0_RX = 0x16, + INCLK_SPDIF1_RX = 0x17, + INCLK_SAI0_RX_BCLK = 0x18, + INCLK_SAI0_TX_BCLK = 0x19, + INCLK_SAI1_RX_BCLK = 0x1a, + INCLK_SAI1_TX_BCLK = 0x1b, + INCLK_SAI2_RX_BCLK = 0x1c, + INCLK_SAI3_RX_BCLK = 0x1d, + INCLK_ASRC0_MUX_CLK = 0x1e, + + INCLK_ESAI1_RX_CLK = 0x20, + INCLK_ESAI1_TX_CLK = 0x21, + INCLK_SAI6_TX_BCLK = 0x22, + INCLK_HDMI_RX_SAI0_RX_BCLK = 0x24, + INCLK_HDMI_TX_SAI0_TX_BCLK = 0x25, +}; + +enum asrc_outclk { + OUTCLK_NONE = 0x03, + OUTCLK_ESAI_TX = 0x00, + OUTCLK_SSI1_TX = 0x01, + OUTCLK_SSI2_TX = 0x02, + OUTCLK_SSI3_TX = 0x07, + OUTCLK_SPDIF_TX = 0x04, + OUTCLK_MLB_CLK = 0x05, + OUTCLK_PAD = 0x06, + OUTCLK_ESAI_RX = 0x08, + OUTCLK_SSI1_RX = 0x09, + OUTCLK_SSI2_RX = 0x0a, + OUTCLK_SSI3_RX = 0x0b, + OUTCLK_SPDIF_RX = 0x0c, + OUTCLK_ASRCK1_CLK = 0x0f, + +/* imx8 */ + OUTCLK_AUD_PLL_DIV_CLK0 = 0x10, + OUTCLK_AUD_PLL_DIV_CLK1 = 0x11, + OUTCLK_AUD_CLK0 = 0x12, + OUTCLK_AUD_CLK1 = 0x13, + OUTCLK_ESAI0_RX_CLK = 0x14, + OUTCLK_ESAI0_TX_CLK = 0x15, + OUTCLK_SPDIF0_RX = 0x16, + OUTCLK_SPDIF1_RX = 0x17, + OUTCLK_SAI0_RX_BCLK = 0x18, + OUTCLK_SAI0_TX_BCLK = 0x19, + OUTCLK_SAI1_RX_BCLK = 0x1a, + OUTCLK_SAI1_TX_BCLK = 0x1b, + OUTCLK_SAI2_RX_BCLK = 0x1c, + OUTCLK_SAI3_RX_BCLK = 0x1d, + OUTCLK_ASRCO_MUX_CLK = 0x1e, + + OUTCLK_ESAI1_RX_CLK = 0x20, + OUTCLK_ESAI1_TX_CLK = 0x21, + OUTCLK_SAI6_TX_BCLK = 0x22, + OUTCLK_HDMI_RX_SAI0_RX_BCLK = 0x24, + OUTCLK_HDMI_TX_SAI0_TX_BCLK = 0x25, +}; + +enum asrc_word_width { + ASRC_WIDTH_24_BIT = 0, + ASRC_WIDTH_16_BIT = 1, + ASRC_WIDTH_8_BIT = 2, +}; + +struct asrc_config { + enum asrc_pair_index pair; + unsigned int channel_num; + unsigned int buffer_num; + unsigned int dma_buffer_size; + unsigned int input_sample_rate; + unsigned int output_sample_rate; + enum asrc_word_width input_word_width; + enum asrc_word_width output_word_width; + enum asrc_inclk inclk; + enum asrc_outclk outclk; +}; + +struct asrc_req { + unsigned int chn_num; + enum asrc_pair_index index; +}; + +struct asrc_querybuf { + unsigned int buffer_index; + unsigned int input_length; + unsigned int output_length; + unsigned long input_offset; + unsigned long output_offset; +}; + +struct asrc_convert_buffer { + void *input_buffer_vaddr; + void *output_buffer_vaddr; + unsigned int input_buffer_length; + unsigned int output_buffer_length; +}; + +struct asrc_status_flags { + enum asrc_pair_index index; + unsigned int overload_error; +}; + +enum asrc_error_status { + ASRC_TASK_Q_OVERLOAD = 0x01, + ASRC_OUTPUT_TASK_OVERLOAD = 0x02, + ASRC_INPUT_TASK_OVERLOAD = 0x04, + ASRC_OUTPUT_BUFFER_OVERFLOW = 0x08, + ASRC_INPUT_BUFFER_UNDERRUN = 0x10, +}; +#endif/* __MXC_ASRC_UAPI_H__ */ |