[PATCH 115/133] [Jaunty SRU] ARM.imx51 Ubuntu: Adding missing file include/linux/mxc_asrc.h
Brad Figg
brad.figg at canonical.com
Thu Jul 9 16:49:45 UTC 2009
This file was not added in previous patch applications but is being
done so now to make patch application easier.
Signed-off-by: Brad Figg <brad.figg at canonical.com>
---
include/linux/mxc_asrc.h | 215 ++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 215 insertions(+), 0 deletions(-)
create mode 100644 include/linux/mxc_asrc.h
diff --git a/include/linux/mxc_asrc.h b/include/linux/mxc_asrc.h
new file mode 100644
index 0000000..30891a9
--- /dev/null
+++ b/include/linux/mxc_asrc.h
@@ -0,0 +1,215 @@
+/*
+ * Copyright 2008-2009 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 mx35_asrc.h
+ *
+ * @brief MX35 Asynchronous Sample Rate Converter
+ *
+ * @ingroup ??
+ */
+
+#ifndef __MXC_ASRC_H__
+#define __MXC_ASRC_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_QUERYBUF _IOWR(ASRC_IOC_MAGIC, 3, struct asrc_buffer)
+#define ASRC_Q_INBUF _IOW(ASRC_IOC_MAGIC, 4, struct asrc_buffer)
+#define ASRC_DQ_INBUF _IOW(ASRC_IOC_MAGIC, 5, struct asrc_buffer)
+#define ASRC_Q_OUTBUF _IOW(ASRC_IOC_MAGIC, 6, struct asrc_buffer)
+#define ASRC_DQ_OUTBUF _IOW(ASRC_IOC_MAGIC, 7, struct asrc_buffer)
+#define ASRC_START_CONV _IOW(ASRC_IOC_MAGIC, 8, enum asrc_pair_index)
+#define ASRC_STOP_CONV _IOW(ASRC_IOC_MAGIC, 9, enum asrc_pair_index)
+#define ASRC_STATUS _IOW(ASRC_IOC_MAGIC, 10, struct asrc_status_flags)
+
+enum asrc_pair_index {
+ ASRC_PAIR_A,
+ ASRC_PAIR_B,
+ ASRC_PAIR_C
+};
+
+enum asrc_inclk {
+ INCLK_NONE = 0x03,
+ INCLK_ESAI_RX = 0x00,
+ INCLK_SSI1_RX = 0x01,
+ INCLK_SSI2_RX = 0x02,
+ INCLK_SPDIF_RX = 0x04,
+ INCLK_MLB_CLK = 0x05,
+ INCLK_ESAI_TX = 0x08,
+ INCLK_SSI1_TX = 0x09,
+ INCLK_SSI2_TX = 0x0a,
+ INCLK_SPDIF_TX = 0x0c,
+ INCLK_ASRCK1_CLK = 0x0f,
+};
+
+enum asrc_outclk {
+ OUTCLK_NONE = 0x03,
+ OUTCLK_ESAI_TX = 0x00,
+ OUTCLK_SSI1_TX = 0x01,
+ OUTCLK_SSI2_TX = 0x02,
+ OUTCLK_SPDIF_TX = 0x04,
+ OUTCLK_MLB_CLK = 0x05,
+ OUTCLK_ESAI_RX = 0x08,
+ OUTCLK_SSI1_RX = 0x09,
+ OUTCLK_SSI2_RX = 0x0a,
+ OUTCLK_SPDIF_RX = 0x0c,
+ OUTCLK_ASRCK1_CLK = 0x0f,
+};
+
+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;
+ unsigned int word_width;
+ enum asrc_inclk inclk;
+ enum asrc_outclk outclk;
+};
+
+struct asrc_pair {
+ unsigned int start_channel;
+ unsigned int chn_num;
+ unsigned int chn_max;
+ unsigned int active;
+ unsigned int overload_error;
+};
+
+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_buffer {
+ unsigned int index;
+ unsigned int length;
+};
+
+struct asrc_status_flags {
+ enum asrc_pair_index index;
+ unsigned int overload_error;
+};
+
+#ifdef __KERNEL__
+
+#define ASRC_DMA_BUFFER_NUM 8
+
+#define ASRC_ASRCTR_REG 0x00
+#define ASRC_ASRIER_REG 0x04
+#define ASRC_ASRCNCR_REG 0x0C
+#define ASRC_ASRCFG_REG 0x10
+#define ASRC_ASRCSR_REG 0x14
+#define ASRC_ASRCDR1_REG 0x18
+#define ASRC_ASRCDR2_REG 0x1C
+#define ASRC_ASRSTR_REG 0x20
+#define ASRC_ASRRA_REG 0x24
+#define ASRC_ASRRB_REG 0x28
+#define ASRC_ASRRC_REG 0x2C
+#define ASRC_ASRPM1_REG 0x40
+#define ASRC_ASRPM2_REG 0x44
+#define ASRC_ASRPM3_REG 0x48
+#define ASRC_ASRPM4_REG 0x4C
+#define ASRC_ASRPM5_REG 0x50
+#define ASRC_ASRTFR1 0x54
+#define ASRC_ASRCCR_REG 0x5C
+#define ASRC_ASRDIA_REG 0x60
+#define ASRC_ASRDOA_REG 0x64
+#define ASRC_ASRDIB_REG 0x68
+#define ASRC_ASRDOB_REG 0x6C
+#define ASRC_ASRDIC_REG 0x70
+#define ASRC_ASRDOC_REG 0x74
+#define ASRC_ASRIDRHA_REG 0x80
+#define ASRC_ASRIDRLA_REG 0x84
+#define ASRC_ASRIDRHB_REG 0x88
+#define ASRC_ASRIDRLB_REG 0x8C
+#define ASRC_ASRIDRHC_REG 0x90
+#define ASRC_ASRIDRLC_REG 0x94
+#define ASRC_ASR76K_REG 0x98
+#define ASRC_ASR56K_REG 0x9C
+
+struct dma_block {
+ unsigned int index;
+ unsigned int length;
+ unsigned char *dma_vaddr;
+ dma_addr_t dma_paddr;
+ struct list_head queue;
+};
+
+struct asrc_pair_params {
+ enum asrc_pair_index index;
+ struct list_head input_queue;
+ struct list_head input_done_queue;
+ struct list_head output_queue;
+ struct list_head output_done_queue;
+ wait_queue_head_t input_wait_queue;
+ wait_queue_head_t output_wait_queue;
+ unsigned int input_counter;
+ unsigned int output_counter;
+ unsigned int input_queue_empty;
+ unsigned int output_queue_empty;
+ unsigned int input_dma_channel;
+ unsigned int output_dma_channel;
+ unsigned int input_buffer_size;
+ unsigned int output_buffer_size;
+ unsigned int buffer_num;
+ unsigned int pair_hold;
+ unsigned int asrc_active;
+ struct dma_block input_dma[ASRC_DMA_BUFFER_NUM];
+ struct dma_block output_dma[ASRC_DMA_BUFFER_NUM];
+ struct semaphore busy_lock;
+};
+
+struct asrc_data {
+ struct asrc_pair asrc_pair[3];
+};
+
+char *asrc_pair_id[] = {
+ [0] = "ASRC RX PAIR A",
+ [1] = "ASRC TX PAIR A",
+ [2] = "ASRC RX PAIR B",
+ [3] = "ASRC TX PAIR B",
+ [4] = "ASRC RX PAIR C",
+ [5] = "ASRC TX PAIR C",
+};
+
+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,
+};
+
+extern int asrc_req_pair(int chn_num, enum asrc_pair_index *index);
+extern void asrc_release_pair(enum asrc_pair_index index);
+extern int asrc_config_pair(struct asrc_config *config);
+extern void asrc_get_status(struct asrc_status_flags *flags);
+extern void asrc_start_conv(enum asrc_pair_index index);
+extern void asrc_stop_conv(enum asrc_pair_index index);
+
+#endif /* __kERNEL__ */
+
+#endif /* __MXC_ASRC_H__ */
--
1.6.0.4
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