^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * MFD driver for twl4030 audio submodule, which contains an audio codec, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * the vibra control.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright: (C) 2009 Nokia Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/of_platform.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/mfd/twl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/mfd/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/mfd/twl4030-audio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define TWL4030_AUDIO_CELLS 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static struct platform_device *twl4030_audio_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct twl4030_audio_resource {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) int request_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) u8 reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) u8 mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct twl4030_audio {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) unsigned int audio_mclk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct mutex mutex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct twl4030_audio_resource resource[TWL4030_AUDIO_RES_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct mfd_cell cells[TWL4030_AUDIO_CELLS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * Modify the resource, the function returns the content of the register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * after the modification.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static int twl4030_audio_set_resource(enum twl4030_audio_res id, int enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) struct twl4030_audio *audio = platform_get_drvdata(twl4030_audio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) u8 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) audio->resource[id].reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) if (enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) val |= audio->resource[id].mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) val &= ~audio->resource[id].mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) val, audio->resource[id].reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static inline int twl4030_audio_get_resource(enum twl4030_audio_res id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) struct twl4030_audio *audio = platform_get_drvdata(twl4030_audio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) u8 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) audio->resource[id].reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * Enable the resource.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * The function returns with error or the content of the register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) int twl4030_audio_enable_resource(enum twl4030_audio_res id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct twl4030_audio *audio = platform_get_drvdata(twl4030_audio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) if (id >= TWL4030_AUDIO_RES_MAX) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) dev_err(&twl4030_audio_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) "Invalid resource ID (%u)\n", id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) mutex_lock(&audio->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) if (!audio->resource[id].request_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) /* Resource was disabled, enable it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) val = twl4030_audio_set_resource(id, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) val = twl4030_audio_get_resource(id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) audio->resource[id].request_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) mutex_unlock(&audio->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) EXPORT_SYMBOL_GPL(twl4030_audio_enable_resource);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) * Disable the resource.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) * The function returns with error or the content of the register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) int twl4030_audio_disable_resource(enum twl4030_audio_res id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) struct twl4030_audio *audio = platform_get_drvdata(twl4030_audio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) if (id >= TWL4030_AUDIO_RES_MAX) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) dev_err(&twl4030_audio_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) "Invalid resource ID (%u)\n", id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) mutex_lock(&audio->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) if (!audio->resource[id].request_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) dev_err(&twl4030_audio_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) "Resource has been disabled already (%u)\n", id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) mutex_unlock(&audio->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) return -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) audio->resource[id].request_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) if (!audio->resource[id].request_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) /* Resource can be disabled now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) val = twl4030_audio_set_resource(id, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) val = twl4030_audio_get_resource(id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) mutex_unlock(&audio->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) EXPORT_SYMBOL_GPL(twl4030_audio_disable_resource);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) unsigned int twl4030_audio_get_mclk(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) struct twl4030_audio *audio = platform_get_drvdata(twl4030_audio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) return audio->audio_mclk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) EXPORT_SYMBOL_GPL(twl4030_audio_get_mclk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) static bool twl4030_audio_has_codec(struct twl4030_audio_data *pdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) struct device_node *parent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) struct device_node *node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) if (pdata && pdata->codec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) node = of_get_child_by_name(parent, "codec");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) if (node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) of_node_put(node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) static bool twl4030_audio_has_vibra(struct twl4030_audio_data *pdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) struct device_node *node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) int vibra;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) if (pdata && pdata->vibra)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) if (!of_property_read_u32(node, "ti,enable-vibra", &vibra) && vibra)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) static int twl4030_audio_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) struct twl4030_audio *audio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) struct twl4030_audio_data *pdata = dev_get_platdata(&pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) struct device_node *node = pdev->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) struct mfd_cell *cell = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) int ret, childs = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) u8 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) if (!pdata && !node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) dev_err(&pdev->dev, "Platform data is missing\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) audio = devm_kzalloc(&pdev->dev, sizeof(struct twl4030_audio),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) if (!audio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) mutex_init(&audio->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) audio->audio_mclk = twl_get_hfclk_rate();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) /* Configure APLL_INFREQ and disable APLL if enabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) switch (audio->audio_mclk) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) case 19200000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) val = TWL4030_APLL_INFREQ_19200KHZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) case 26000000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) val = TWL4030_APLL_INFREQ_26000KHZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) case 38400000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) val = TWL4030_APLL_INFREQ_38400KHZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) dev_err(&pdev->dev, "Invalid audio_mclk\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, val, TWL4030_REG_APLL_CTL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) /* Codec power */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) audio->resource[TWL4030_AUDIO_RES_POWER].reg = TWL4030_REG_CODEC_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) audio->resource[TWL4030_AUDIO_RES_POWER].mask = TWL4030_CODECPDZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) /* PLL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) audio->resource[TWL4030_AUDIO_RES_APLL].reg = TWL4030_REG_APLL_CTL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) audio->resource[TWL4030_AUDIO_RES_APLL].mask = TWL4030_APLL_EN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) if (twl4030_audio_has_codec(pdata, node)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) cell = &audio->cells[childs];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) cell->name = "twl4030-codec";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) if (pdata) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) cell->platform_data = pdata->codec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) cell->pdata_size = sizeof(*pdata->codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) childs++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) if (twl4030_audio_has_vibra(pdata, node)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) cell = &audio->cells[childs];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) cell->name = "twl4030-vibra";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) if (pdata) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) cell->platform_data = pdata->vibra;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) cell->pdata_size = sizeof(*pdata->vibra);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) childs++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) platform_set_drvdata(pdev, audio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) twl4030_audio_dev = pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) if (childs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) ret = mfd_add_devices(&pdev->dev, pdev->id, audio->cells,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) childs, NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) dev_err(&pdev->dev, "No platform data found for childs\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) twl4030_audio_dev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) static int twl4030_audio_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) mfd_remove_devices(&pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) twl4030_audio_dev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) static const struct of_device_id twl4030_audio_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) {.compatible = "ti,twl4030-audio", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) MODULE_DEVICE_TABLE(of, twl4030_audio_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) static struct platform_driver twl4030_audio_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) .name = "twl4030-audio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) .of_match_table = twl4030_audio_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) .probe = twl4030_audio_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) .remove = twl4030_audio_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) module_platform_driver(twl4030_audio_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) MODULE_DESCRIPTION("TWL4030 audio block MFD driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) MODULE_ALIAS("platform:twl4030-audio");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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