1// SPDX-License-Identifier: GPL-2.0-only
  2//
  3// Copyright(c) 2022 Intel Corporation
  4
  5/*
  6 * sof_ssp_amp.c - ASoc Machine driver for Intel platforms
  7 * with RT1308/CS35L41 codec.
  8 */
  9
 10#include <linux/acpi.h>
 11#include <linux/delay.h>
 12#include <linux/dmi.h>
 13#include <linux/module.h>
 14#include <linux/platform_device.h>
 15#include <sound/core.h>
 16#include <sound/jack.h>
 17#include <sound/pcm.h>
 18#include <sound/pcm_params.h>
 19#include <sound/sof.h>
 20#include "sof_board_helpers.h"
 21#include "sof_realtek_common.h"
 22#include "sof_cirrus_common.h"
 23
 24/* Driver-specific board quirks: from bit 0 to 7 */
 25#define SOF_HDMI_PLAYBACK_PRESENT		BIT(0)
 26
 27/* Default: SSP2  */
 28static unsigned long sof_ssp_amp_quirk = SOF_SSP_PORT_AMP(2);
 29
 30static const struct dmi_system_id chromebook_platforms[] = {
 31	{
 32		.ident = "Google Chromebooks",
 33		.matches = {
 34			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 35		}
 36	},
 37	{},
 38};
 39
 40static int sof_card_late_probe(struct snd_soc_card *card)
 41{
 42	return sof_intel_board_card_late_probe(card);
 43}
 44
 45static struct snd_soc_card sof_ssp_amp_card = {
 46	.name         = "ssp_amp",
 47	.owner        = THIS_MODULE,
 48	.fully_routed = true,
 49	.late_probe = sof_card_late_probe,
 50};
 51
 52/* BE ID defined in sof-tgl-rt1308-hdmi-ssp.m4 */
 53#define HDMI_IN_BE_ID		0
 54#define SPK_BE_ID		2
 55#define DMIC01_BE_ID		3
 56#define INTEL_HDMI_BE_ID	5
 57/* extra BE links to support no-hdmi-in boards */
 58#define DMIC16K_BE_ID		4
 59#define BT_OFFLOAD_BE_ID	8
 60
 61#define SSP_AMP_LINK_ORDER	SOF_LINK_ORDER(SOF_LINK_HDMI_IN, \
 62					SOF_LINK_AMP,            \
 63					SOF_LINK_DMIC01,         \
 64					SOF_LINK_DMIC16K,        \
 65					SOF_LINK_IDISP_HDMI,     \
 66					SOF_LINK_BT_OFFLOAD,     \
 67					SOF_LINK_NONE)
 68
 69#define SSP_AMP_LINK_IDS	SOF_LINK_ORDER(HDMI_IN_BE_ID, \
 70					SPK_BE_ID,            \
 71					DMIC01_BE_ID,         \
 72					DMIC16K_BE_ID,        \
 73					INTEL_HDMI_BE_ID,     \
 74					BT_OFFLOAD_BE_ID,     \
 75					0)
 76
 77static int
 78sof_card_dai_links_create(struct device *dev, struct snd_soc_card *card,
 79			  struct sof_card_private *ctx)
 80{
 81	int ret;
 82
 83	ret = sof_intel_board_set_dai_link(dev, card, ctx);
 84	if (ret)
 85		return ret;
 86
 87	if (ctx->amp_type == CODEC_NONE)
 88		return 0;
 89
 90	if (!ctx->amp_link) {
 91		dev_err(dev, "amp link not available");
 92		return -EINVAL;
 93	}
 94
 95	/* codec-specific fields for speaker amplifier */
 96	switch (ctx->amp_type) {
 97	case CODEC_CS35L41:
 98		cs35l41_set_dai_link(ctx->amp_link);
 99		break;
100	case CODEC_RT1308:
101		sof_rt1308_dai_link(ctx->amp_link);
102		break;
103	default:
104		dev_err(dev, "invalid amp type %d\n", ctx->amp_type);
105		return -EINVAL;
106	}
107
108	return 0;
109}
110
111static int sof_ssp_amp_probe(struct platform_device *pdev)
112{
113	struct snd_soc_acpi_mach *mach = pdev->dev.platform_data;
114	struct sof_card_private *ctx;
115	int ret;
116
117	if (pdev->id_entry && pdev->id_entry->driver_data)
118		sof_ssp_amp_quirk = (unsigned long)pdev->id_entry->driver_data;
119
120	dev_dbg(&pdev->dev, "sof_ssp_amp_quirk = %lx\n", sof_ssp_amp_quirk);
121
122	/* initialize ctx with board quirk */
123	ctx = sof_intel_board_get_ctx(&pdev->dev, sof_ssp_amp_quirk);
124	if (!ctx)
125		return -ENOMEM;
126
127	if (!dmi_check_system(chromebook_platforms) &&
128	    (mach->mach_params.dmic_num == 0))
129		ctx->dmic_be_num = 0;
130
131	if (sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT) {
132		if (mach->mach_params.codec_mask & IDISP_CODEC_MASK)
133			ctx->hdmi.idisp_codec = true;
134	} else {
135		ctx->hdmi_num = 0;
136	}
137
138	ctx->link_order_overwrite = SSP_AMP_LINK_ORDER;
139
140	if (ctx->ssp_mask_hdmi_in) {
141		/* the topology supports HDMI-IN uses fixed BE ID for DAI links */
142		ctx->link_id_overwrite = SSP_AMP_LINK_IDS;
143	}
144
145	/* update dai_link */
146	ret = sof_card_dai_links_create(&pdev->dev, &sof_ssp_amp_card, ctx);
147	if (ret)
148		return ret;
149
150	/* update codec_conf */
151	switch (ctx->amp_type) {
152	case CODEC_CS35L41:
153		cs35l41_set_codec_conf(&sof_ssp_amp_card);
154		break;
155	case CODEC_RT1308:
156	case CODEC_NONE:
157		/* no codec conf required */
158		break;
159	default:
160		dev_err(&pdev->dev, "invalid amp type %d\n", ctx->amp_type);
161		return -EINVAL;
162	}
163
164	sof_ssp_amp_card.dev = &pdev->dev;
165
166	/* set platform name for each dailink */
167	ret = snd_soc_fixup_dai_links_platform_name(&sof_ssp_amp_card,
168						    mach->mach_params.platform);
169	if (ret)
170		return ret;
171
172	snd_soc_card_set_drvdata(&sof_ssp_amp_card, ctx);
173
174	return devm_snd_soc_register_card(&pdev->dev, &sof_ssp_amp_card);
175}
176
177static const struct platform_device_id board_ids[] = {
178	{
179		.name = "sof_ssp_amp",
180	},
181	{
182		.name = "tgl_rt1308_hdmi_ssp",
183		.driver_data = (kernel_ulong_t)(SOF_SSP_PORT_AMP(2) |
184					SOF_SSP_MASK_HDMI_CAPTURE(0x22)),
185					/* SSP 1 and SSP 5 are used for HDMI IN */
186	},
187	{
188		.name = "adl_cs35l41",
189		.driver_data = (kernel_ulong_t)(SOF_SSP_PORT_AMP(1) |
190					SOF_NUM_IDISP_HDMI(4) |
191					SOF_HDMI_PLAYBACK_PRESENT |
192					SOF_SSP_PORT_BT_OFFLOAD(2) |
193					SOF_BT_OFFLOAD_PRESENT),
194	},
195	{
196		.name = "adl_lt6911_hdmi_ssp",
197		.driver_data = (kernel_ulong_t)(SOF_SSP_MASK_HDMI_CAPTURE(0x5) |
198					/* SSP 0 and SSP 2 are used for HDMI IN */
199					SOF_HDMI_PLAYBACK_PRESENT),
200	},
201	{
202		.name = "rpl_lt6911_hdmi_ssp",
203		.driver_data = (kernel_ulong_t)(SOF_SSP_MASK_HDMI_CAPTURE(0x5) |
204					/* SSP 0 and SSP 2 are used for HDMI IN */
205					SOF_HDMI_PLAYBACK_PRESENT),
206	},
207	{
208		.name = "mtl_lt6911_hdmi_ssp",
209		.driver_data = (kernel_ulong_t)(SOF_SSP_MASK_HDMI_CAPTURE(0x5) |
210					/* SSP 0 and SSP 2 are used for HDMI IN */
211					SOF_HDMI_PLAYBACK_PRESENT),
212	},
213	{
214		.name = "arl_lt6911_hdmi_ssp",
215		.driver_data = (kernel_ulong_t)(SOF_SSP_MASK_HDMI_CAPTURE(0x5) |
216					/* SSP 0 and SSP 2 are used for HDMI IN */
217					SOF_HDMI_PLAYBACK_PRESENT),
218	},
219	{ }
220};
221MODULE_DEVICE_TABLE(platform, board_ids);
222
223static struct platform_driver sof_ssp_amp_driver = {
224	.probe          = sof_ssp_amp_probe,
225	.driver = {
226		.name   = "sof_ssp_amp",
227		.pm = &snd_soc_pm_ops,
228	},
229	.id_table = board_ids,
230};
231module_platform_driver(sof_ssp_amp_driver);
232
233MODULE_DESCRIPTION("ASoC Intel(R) SOF Amplifier Machine driver");
234MODULE_AUTHOR("Balamurugan C <balamurugan.c@intel.com>");
235MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>");
236MODULE_LICENSE("GPL");
237MODULE_IMPORT_NS("SND_SOC_INTEL_SOF_BOARD_HELPERS");
238MODULE_IMPORT_NS("SND_SOC_INTEL_SOF_REALTEK_COMMON");
239MODULE_IMPORT_NS("SND_SOC_INTEL_SOF_CIRRUS_COMMON");