projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 9bae4880 SK |
1 | /* |
| 2 | * Copyright (c) 2010-2011,2013-2015 The Linux Foundation. All rights reserved. | |
| 3 | * | |
| 4 | * This program is free software; you can redistribute it and/or modify | |
| 5 | * it under the terms of the GNU General Public License version 2 and | |
| 6 | * only version 2 as published by the Free Software Foundation. | |
| 7 | * | |
| 8 | * This program is distributed in the hope that it will be useful, | |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 11 | * GNU General Public License for more details. | |
| 12 | * | |
| 13 | * lpass-ipq806x.c -- ALSA SoC CPU DAI driver for QTi LPASS | |
| 14 | * Splited out the IPQ8064 soc specific from lpass-cpu.c | |
| 15 | */ | |
| 16 | ||
| 17 | #include <linux/clk.h> | |
| 18 | #include <linux/device.h> | |
| 19 | #include <linux/err.h> | |
| 20 | #include <linux/kernel.h> | |
| 21 | #include <linux/module.h> | |
| 22 | #include <linux/of.h> | |
| 23 | #include <linux/platform_device.h> | |
| 24 | #include <sound/pcm.h> | |
| 25 | #include <sound/soc.h> | |
| 26 | #include <sound/soc-dai.h> | |
| 27 | ||
| 28 | #include "lpass-lpaif-reg.h" | |
| 29 | #include "lpass.h" | |
| 30 | ||
| 31 | enum lpaif_i2s_ports { | |
| 32 | IPQ806X_LPAIF_I2S_PORT_CODEC_SPK, | |
| 33 | IPQ806X_LPAIF_I2S_PORT_CODEC_MIC, | |
| 34 | IPQ806X_LPAIF_I2S_PORT_SEC_SPK, | |
| 35 | IPQ806X_LPAIF_I2S_PORT_SEC_MIC, | |
| 36 | IPQ806X_LPAIF_I2S_PORT_MI2S, | |
| 37 | }; | |
| 38 | ||
| 39 | enum lpaif_dma_channels { | |
| 40 | IPQ806X_LPAIF_RDMA_CHAN_MI2S, | |
| 41 | IPQ806X_LPAIF_RDMA_CHAN_PCM0, | |
| 42 | IPQ806X_LPAIF_RDMA_CHAN_PCM1, | |
| 43 | }; | |
| 44 | ||
| 45 | static struct snd_soc_dai_driver ipq806x_lpass_cpu_dai_driver = { | |
| 0ae9fd3b | 46 | .id = IPQ806X_LPAIF_I2S_PORT_MI2S, |
| 9bae4880 SK |
47 | .playback = { |
| 48 | .stream_name = "lpass-cpu-playback", | |
| 49 | .formats = SNDRV_PCM_FMTBIT_S16 | | |
| 50 | SNDRV_PCM_FMTBIT_S24 | | |
| 51 | SNDRV_PCM_FMTBIT_S32, | |
| 52 | .rates = SNDRV_PCM_RATE_8000 | | |
| 53 | SNDRV_PCM_RATE_16000 | | |
| 54 | SNDRV_PCM_RATE_32000 | | |
| 55 | SNDRV_PCM_RATE_48000 | | |
| 56 | SNDRV_PCM_RATE_96000, | |
| 57 | .rate_min = 8000, | |
| 58 | .rate_max = 96000, | |
| 59 | .channels_min = 1, | |
| 60 | .channels_max = 8, | |
| 61 | }, | |
| 62 | .probe = &asoc_qcom_lpass_cpu_dai_probe, | |
| 63 | .ops = &asoc_qcom_lpass_cpu_dai_ops, | |
| 64 | }; | |
| 65 | ||
| 7cc24b16 | 66 | static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata) |
| 6db1c6ba SK |
67 | { |
| 68 | return IPQ806X_LPAIF_RDMA_CHAN_MI2S; | |
| 69 | } | |
| 70 | ||
| 7cc24b16 | 71 | static int ipq806x_lpass_free_dma_channel(struct lpass_data *drvdata, int chan) |
| 6db1c6ba SK |
72 | { |
| 73 | return 0; | |
| 74 | } | |
| 75 | ||
| 9bae4880 SK |
76 | struct lpass_variant ipq806x_data = { |
| 77 | .i2sctrl_reg_base = 0x0010, | |
| 78 | .i2sctrl_reg_stride = 0x04, | |
| 79 | .i2s_ports = 5, | |
| 80 | .irq_reg_base = 0x3000, | |
| 81 | .irq_reg_stride = 0x1000, | |
| 82 | .irq_ports = 3, | |
| 83 | .rdma_reg_base = 0x6000, | |
| 84 | .rdma_reg_stride = 0x1000, | |
| 85 | .rdma_channels = 4, | |
| 86 | .dai_driver = &ipq806x_lpass_cpu_dai_driver, | |
| 87 | .num_dai = 1, | |
| 6db1c6ba SK |
88 | .alloc_dma_channel = ipq806x_lpass_alloc_dma_channel, |
| 89 | .free_dma_channel = ipq806x_lpass_free_dma_channel, | |
| 9bae4880 SK |
90 | }; |
| 91 | ||
| 92 | static const struct of_device_id ipq806x_lpass_cpu_device_id[] = { | |
| 93 | { .compatible = "qcom,lpass-cpu", .data = &ipq806x_data }, | |
| 94 | {} | |
| 95 | }; | |
| 96 | MODULE_DEVICE_TABLE(of, ipq806x_lpass_cpu_device_id); | |
| 97 | ||
| 98 | static struct platform_driver ipq806x_lpass_cpu_platform_driver = { | |
| 99 | .driver = { | |
| 100 | .name = "lpass-cpu", | |
| 101 | .of_match_table = of_match_ptr(ipq806x_lpass_cpu_device_id), | |
| 102 | }, | |
| 103 | .probe = asoc_qcom_lpass_cpu_platform_probe, | |
| 104 | .remove = asoc_qcom_lpass_cpu_platform_remove, | |
| 105 | }; | |
| 106 | module_platform_driver(ipq806x_lpass_cpu_platform_driver); | |
| 107 | ||
| 108 | MODULE_DESCRIPTION("QTi LPASS CPU Driver"); | |
| 109 | MODULE_LICENSE("GPL v2"); |