1 // SPDX-License-Identifier: GPL-2.0+ !! 1 /*
2 // !! 2 * Copyright 2012 Freescale Semiconductor, Inc.
3 // Copyright 2012 Freescale Semiconductor, Inc !! 3 * Copyright 2012 Linaro Ltd.
4 // Copyright 2012 Linaro Ltd. !! 4 *
>> 5 * The code contained herein is licensed under the GNU General Public
>> 6 * License. You may obtain a copy of the GNU General Public License
>> 7 * Version 2 or later at the following locations:
>> 8 *
>> 9 * http://www.opensource.org/licenses/gpl-license.html
>> 10 * http://www.gnu.org/copyleft/gpl.html
>> 11 */
5 12
6 #include <linux/gpio/consumer.h> !! 13 #include <linux/gpio.h>
7 #include <linux/module.h> 14 #include <linux/module.h>
8 #include <linux/of.h> 15 #include <linux/of.h>
9 #include <linux/of_platform.h> 16 #include <linux/of_platform.h>
10 #include <linux/i2c.h> 17 #include <linux/i2c.h>
>> 18 #include <linux/of_gpio.h>
11 #include <sound/soc.h> 19 #include <sound/soc.h>
12 #include <sound/jack.h> 20 #include <sound/jack.h>
13 21
14 #include "imx-audmux.h" 22 #include "imx-audmux.h"
15 23
16 #define DAI_NAME_SIZE 32 24 #define DAI_NAME_SIZE 32
17 #define MUX_PORT_MAX 7 25 #define MUX_PORT_MAX 7
18 26
19 struct imx_es8328_data { 27 struct imx_es8328_data {
20 struct device *dev; 28 struct device *dev;
21 struct snd_soc_dai_link dai; 29 struct snd_soc_dai_link dai;
22 struct snd_soc_card card; 30 struct snd_soc_card card;
23 char codec_dai_name[DAI_NAME_SIZE]; 31 char codec_dai_name[DAI_NAME_SIZE];
24 char platform_name[DAI_NAME_SIZE]; 32 char platform_name[DAI_NAME_SIZE];
25 struct gpio_desc *jack_gpiod; !! 33 int jack_gpio;
26 }; 34 };
27 35
28 static struct snd_soc_jack_gpio headset_jack_g 36 static struct snd_soc_jack_gpio headset_jack_gpios[] = {
29 { 37 {
>> 38 .gpio = -1,
30 .name = "headset-gpio", 39 .name = "headset-gpio",
31 .report = SND_JACK_HEADSET, 40 .report = SND_JACK_HEADSET,
32 .invert = 0, 41 .invert = 0,
33 .debounce_time = 200, 42 .debounce_time = 200,
34 }, 43 },
35 }; 44 };
36 45
37 static struct snd_soc_jack headset_jack; 46 static struct snd_soc_jack headset_jack;
38 static struct snd_soc_jack_pin headset_jack_pi <<
39 { <<
40 .pin = "Headphone", <<
41 .mask = SND_JACK_HEADPHONE, <<
42 }, <<
43 { <<
44 .pin = "Mic Jack", <<
45 .mask = SND_JACK_MICROPHONE, <<
46 }, <<
47 }; <<
48 47
49 static int imx_es8328_dai_init(struct snd_soc_ 48 static int imx_es8328_dai_init(struct snd_soc_pcm_runtime *rtd)
50 { 49 {
51 struct imx_es8328_data *data = contain 50 struct imx_es8328_data *data = container_of(rtd->card,
52 struct 51 struct imx_es8328_data, card);
53 int ret = 0; 52 int ret = 0;
54 53
55 if (data->jack_gpiod) { !! 54 /* Headphone jack detection */
56 /* Headphone jack detection */ !! 55 if (gpio_is_valid(data->jack_gpio)) {
57 ret = snd_soc_card_jack_new_pi !! 56 ret = snd_soc_card_jack_new(rtd->card, "Headphone",
58 !! 57 SND_JACK_HEADPHONE | SND_JACK_BTN_0,
59 !! 58 &headset_jack, NULL, 0);
60 <<
61 <<
62 if (ret) 59 if (ret)
63 return ret; 60 return ret;
64 61
65 headset_jack_gpios[0].desc = d !! 62 headset_jack_gpios[0].gpio = data->jack_gpio;
66 ret = snd_soc_jack_add_gpios(& 63 ret = snd_soc_jack_add_gpios(&headset_jack,
67 A 64 ARRAY_SIZE(headset_jack_gpios),
68 h 65 headset_jack_gpios);
69 } 66 }
70 67
71 return ret; 68 return ret;
72 } 69 }
73 70
74 static const struct snd_soc_dapm_widget imx_es 71 static const struct snd_soc_dapm_widget imx_es8328_dapm_widgets[] = {
75 SND_SOC_DAPM_MIC("Mic Jack", NULL), 72 SND_SOC_DAPM_MIC("Mic Jack", NULL),
76 SND_SOC_DAPM_HP("Headphone", NULL), 73 SND_SOC_DAPM_HP("Headphone", NULL),
77 SND_SOC_DAPM_SPK("Speaker", NULL), 74 SND_SOC_DAPM_SPK("Speaker", NULL),
78 SND_SOC_DAPM_REGULATOR_SUPPLY("audio-a 75 SND_SOC_DAPM_REGULATOR_SUPPLY("audio-amp", 1, 0),
79 }; 76 };
80 77
81 static const struct snd_kcontrol_new imx_es832 <<
82 SOC_DAPM_PIN_SWITCH("Headphone"), <<
83 SOC_DAPM_PIN_SWITCH("Mic Jack"), <<
84 }; <<
85 <<
86 static int imx_es8328_probe(struct platform_de 78 static int imx_es8328_probe(struct platform_device *pdev)
87 { 79 {
88 struct device_node *np = pdev->dev.of_ 80 struct device_node *np = pdev->dev.of_node;
89 struct device_node *ssi_np = NULL, *co 81 struct device_node *ssi_np = NULL, *codec_np = NULL;
90 struct platform_device *ssi_pdev; 82 struct platform_device *ssi_pdev;
91 struct imx_es8328_data *data; 83 struct imx_es8328_data *data;
92 struct snd_soc_dai_link_component *com <<
93 u32 int_port, ext_port; 84 u32 int_port, ext_port;
94 int ret; 85 int ret;
95 struct device *dev = &pdev->dev; 86 struct device *dev = &pdev->dev;
96 87
97 ret = of_property_read_u32(np, "mux-in 88 ret = of_property_read_u32(np, "mux-int-port", &int_port);
98 if (ret) { 89 if (ret) {
99 dev_err(dev, "mux-int-port mis 90 dev_err(dev, "mux-int-port missing or invalid\n");
100 goto fail; 91 goto fail;
101 } 92 }
102 if (int_port > MUX_PORT_MAX || int_por 93 if (int_port > MUX_PORT_MAX || int_port == 0) {
103 dev_err(dev, "mux-int-port: ha 94 dev_err(dev, "mux-int-port: hardware only has %d mux ports\n",
104 MUX_PORT_MAX); 95 MUX_PORT_MAX);
105 ret = -EINVAL; <<
106 goto fail; 96 goto fail;
107 } 97 }
108 98
109 ret = of_property_read_u32(np, "mux-ex 99 ret = of_property_read_u32(np, "mux-ext-port", &ext_port);
110 if (ret) { 100 if (ret) {
111 dev_err(dev, "mux-ext-port mis 101 dev_err(dev, "mux-ext-port missing or invalid\n");
112 goto fail; 102 goto fail;
113 } 103 }
114 if (ext_port > MUX_PORT_MAX || ext_por 104 if (ext_port > MUX_PORT_MAX || ext_port == 0) {
115 dev_err(dev, "mux-ext-port: ha 105 dev_err(dev, "mux-ext-port: hardware only has %d mux ports\n",
116 MUX_PORT_MAX); 106 MUX_PORT_MAX);
117 ret = -EINVAL; 107 ret = -EINVAL;
118 goto fail; 108 goto fail;
119 } 109 }
120 110
121 /* 111 /*
122 * The port numbering in the hardware 112 * The port numbering in the hardware manual starts at 1, while
123 * the audmux API expects it starts at 113 * the audmux API expects it starts at 0.
124 */ 114 */
125 int_port--; 115 int_port--;
126 ext_port--; 116 ext_port--;
127 ret = imx_audmux_v2_configure_port(int 117 ret = imx_audmux_v2_configure_port(int_port,
128 IMX_AUDMUX_V2_PTCR_SYN 118 IMX_AUDMUX_V2_PTCR_SYN |
129 IMX_AUDMUX_V2_PTCR_TFS 119 IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) |
130 IMX_AUDMUX_V2_PTCR_TCS 120 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
131 IMX_AUDMUX_V2_PTCR_TFS 121 IMX_AUDMUX_V2_PTCR_TFSDIR |
132 IMX_AUDMUX_V2_PTCR_TCL 122 IMX_AUDMUX_V2_PTCR_TCLKDIR,
133 IMX_AUDMUX_V2_PDCR_RXD 123 IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port));
134 if (ret) { 124 if (ret) {
135 dev_err(dev, "audmux internal 125 dev_err(dev, "audmux internal port setup failed\n");
136 return ret; 126 return ret;
137 } 127 }
138 ret = imx_audmux_v2_configure_port(ext 128 ret = imx_audmux_v2_configure_port(ext_port,
139 IMX_AUDMUX_V2_PTCR_SYN 129 IMX_AUDMUX_V2_PTCR_SYN,
140 IMX_AUDMUX_V2_PDCR_RXD 130 IMX_AUDMUX_V2_PDCR_RXDSEL(int_port));
141 if (ret) { 131 if (ret) {
142 dev_err(dev, "audmux external 132 dev_err(dev, "audmux external port setup failed\n");
143 return ret; 133 return ret;
144 } 134 }
145 135
146 ssi_np = of_parse_phandle(pdev->dev.of 136 ssi_np = of_parse_phandle(pdev->dev.of_node, "ssi-controller", 0);
147 codec_np = of_parse_phandle(pdev->dev. 137 codec_np = of_parse_phandle(pdev->dev.of_node, "audio-codec", 0);
148 if (!ssi_np || !codec_np) { 138 if (!ssi_np || !codec_np) {
149 dev_err(dev, "phandle missing 139 dev_err(dev, "phandle missing or invalid\n");
150 ret = -EINVAL; 140 ret = -EINVAL;
151 goto fail; 141 goto fail;
152 } 142 }
153 143
154 ssi_pdev = of_find_device_by_node(ssi_ 144 ssi_pdev = of_find_device_by_node(ssi_np);
155 if (!ssi_pdev) { 145 if (!ssi_pdev) {
156 dev_err(dev, "failed to find S 146 dev_err(dev, "failed to find SSI platform device\n");
157 ret = -EINVAL; 147 ret = -EINVAL;
158 goto fail; 148 goto fail;
159 } 149 }
160 150
161 data = devm_kzalloc(dev, sizeof(*data) 151 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
162 if (!data) { 152 if (!data) {
163 ret = -ENOMEM; 153 ret = -ENOMEM;
164 goto put_device; !! 154 goto fail;
165 } <<
166 <<
167 comp = devm_kzalloc(dev, 2 * sizeof(*c <<
168 if (!comp) { <<
169 ret = -ENOMEM; <<
170 goto put_device; <<
171 } 155 }
172 156
173 data->dev = dev; 157 data->dev = dev;
174 158
175 data->jack_gpiod = devm_gpiod_get_opti !! 159 data->jack_gpio = of_get_named_gpio(pdev->dev.of_node, "jack-gpio", 0);
176 if (IS_ERR(data->jack_gpiod)) { <<
177 ret = PTR_ERR(data->jack_gpiod <<
178 goto put_device; <<
179 } <<
180 <<
181 /* <<
182 * CPU == Platform <<
183 * platform is using soc-generic-dmaen <<
184 */ <<
185 data->dai.cpus = <<
186 data->dai.platforms = &comp[0]; <<
187 data->dai.codecs = &comp[1]; <<
188 <<
189 data->dai.num_cpus = 1; <<
190 data->dai.num_codecs = 1; <<
191 data->dai.num_platforms = 1; <<
192 160
193 data->dai.name = "hifi"; 161 data->dai.name = "hifi";
194 data->dai.stream_name = "hifi"; 162 data->dai.stream_name = "hifi";
195 data->dai.codecs->dai_name = "es8328-h !! 163 data->dai.codec_dai_name = "es8328-hifi-analog";
196 data->dai.codecs->of_node = codec_np; !! 164 data->dai.codec_of_node = codec_np;
197 data->dai.cpus->of_node = ssi_np; !! 165 data->dai.cpu_of_node = ssi_np;
>> 166 data->dai.platform_of_node = ssi_np;
198 data->dai.init = &imx_es8328_dai_init; 167 data->dai.init = &imx_es8328_dai_init;
199 data->dai.dai_fmt = SND_SOC_DAIFMT_I2S 168 data->dai.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
200 SND_SOC_DAIFMT_CBP !! 169 SND_SOC_DAIFMT_CBM_CFM;
201 170
202 data->card.dev = dev; 171 data->card.dev = dev;
203 data->card.dapm_widgets = imx_es8328_d 172 data->card.dapm_widgets = imx_es8328_dapm_widgets;
204 data->card.num_dapm_widgets = ARRAY_SI 173 data->card.num_dapm_widgets = ARRAY_SIZE(imx_es8328_dapm_widgets);
205 data->card.controls = imx_es8328_contr <<
206 data->card.num_controls = ARRAY_SIZE(i <<
207 ret = snd_soc_of_parse_card_name(&data 174 ret = snd_soc_of_parse_card_name(&data->card, "model");
208 if (ret) { 175 if (ret) {
209 dev_err(dev, "Unable to parse 176 dev_err(dev, "Unable to parse card name\n");
210 goto put_device; !! 177 goto fail;
211 } 178 }
212 ret = snd_soc_of_parse_audio_routing(& 179 ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing");
213 if (ret) { 180 if (ret) {
214 dev_err(dev, "Unable to parse 181 dev_err(dev, "Unable to parse routing: %d\n", ret);
215 goto put_device; !! 182 goto fail;
216 } 183 }
217 data->card.num_links = 1; 184 data->card.num_links = 1;
218 data->card.owner = THIS_MODULE; 185 data->card.owner = THIS_MODULE;
219 data->card.dai_link = &data->dai; 186 data->card.dai_link = &data->dai;
220 187
221 ret = devm_snd_soc_register_card(&pdev !! 188 ret = snd_soc_register_card(&data->card);
222 if (ret) { 189 if (ret) {
223 dev_err(dev, "Unable to regist 190 dev_err(dev, "Unable to register: %d\n", ret);
224 goto put_device; !! 191 goto fail;
225 } 192 }
226 193
227 platform_set_drvdata(pdev, data); 194 platform_set_drvdata(pdev, data);
228 put_device: <<
229 put_device(&ssi_pdev->dev); <<
230 fail: 195 fail:
231 of_node_put(ssi_np); 196 of_node_put(ssi_np);
232 of_node_put(codec_np); 197 of_node_put(codec_np);
233 198
234 return ret; 199 return ret;
235 } 200 }
236 201
>> 202 static int imx_es8328_remove(struct platform_device *pdev)
>> 203 {
>> 204 struct imx_es8328_data *data = platform_get_drvdata(pdev);
>> 205
>> 206 snd_soc_unregister_card(&data->card);
>> 207
>> 208 return 0;
>> 209 }
>> 210
237 static const struct of_device_id imx_es8328_dt 211 static const struct of_device_id imx_es8328_dt_ids[] = {
238 { .compatible = "fsl,imx-audio-es8328" 212 { .compatible = "fsl,imx-audio-es8328", },
239 { /* sentinel */ } 213 { /* sentinel */ }
240 }; 214 };
241 MODULE_DEVICE_TABLE(of, imx_es8328_dt_ids); 215 MODULE_DEVICE_TABLE(of, imx_es8328_dt_ids);
242 216
243 static struct platform_driver imx_es8328_drive 217 static struct platform_driver imx_es8328_driver = {
244 .driver = { 218 .driver = {
245 .name = "imx-es8328", 219 .name = "imx-es8328",
246 .of_match_table = imx_es8328_d 220 .of_match_table = imx_es8328_dt_ids,
247 }, 221 },
248 .probe = imx_es8328_probe, 222 .probe = imx_es8328_probe,
>> 223 .remove = imx_es8328_remove,
249 }; 224 };
250 module_platform_driver(imx_es8328_driver); 225 module_platform_driver(imx_es8328_driver);
251 226
252 MODULE_AUTHOR("Sean Cross <xobs@kosagi.com>"); 227 MODULE_AUTHOR("Sean Cross <xobs@kosagi.com>");
253 MODULE_DESCRIPTION("Kosagi i.MX6 ES8328 ASoC m 228 MODULE_DESCRIPTION("Kosagi i.MX6 ES8328 ASoC machine driver");
254 MODULE_LICENSE("GPL v2"); 229 MODULE_LICENSE("GPL v2");
255 MODULE_ALIAS("platform:imx-audio-es8328"); 230 MODULE_ALIAS("platform:imx-audio-es8328");
256 231
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