2 * Copyright (C) ST-Ericsson SA 2012
4 * Author: Ola Lilja <ola.o.lilja@stericsson.com>,
5 * Kristoffer Karlsson <kristoffer.karlsson@stericsson.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as published
12 * by the Free Software Foundation.
15 #include <linux/module.h>
16 #include <linux/device.h>
18 #include <linux/clk.h>
20 #include <sound/soc.h>
21 #include <sound/soc-dapm.h>
22 #include <sound/pcm.h>
23 #include <sound/pcm_params.h>
25 #include "ux500_pcm.h"
26 #include "ux500_msp_dai.h"
27 #include "mop500_ab8500.h"
28 #include "../codecs/ab8500-codec.h"
30 #define TX_SLOT_MONO 0x0008
31 #define TX_SLOT_STEREO 0x000a
32 #define RX_SLOT_MONO 0x0001
33 #define RX_SLOT_STEREO 0x0003
34 #define TX_SLOT_8CH 0x00FF
35 #define RX_SLOT_8CH 0x00FF
37 #define DEF_TX_SLOTS TX_SLOT_STEREO
38 #define DEF_RX_SLOTS RX_SLOT_MONO
40 #define DRIVERMODE_NORMAL 0
41 #define DRIVERMODE_CODEC_ONLY 1
43 /* Slot configuration */
44 static unsigned int tx_slots = DEF_TX_SLOTS;
45 static unsigned int rx_slots = DEF_RX_SLOTS;
48 static const char * const enum_mclk[] = {
57 static SOC_ENUM_SINGLE_EXT_DECL(soc_enum_mclk, enum_mclk);
59 /* Private data for machine-part MOP500<->AB8500 */
60 struct mop500_ab8500_drvdata {
63 struct clk *clk_ptr_intclk;
64 struct clk *clk_ptr_sysclk;
65 struct clk *clk_ptr_ulpclk;
68 static inline const char *get_mclk_str(enum mclk mclk_sel)
80 static int mop500_ab8500_set_mclk(struct device *dev,
81 struct mop500_ab8500_drvdata *drvdata)
86 if (IS_ERR(drvdata->clk_ptr_intclk)) {
88 "%s: ERROR: intclk not initialized!\n", __func__);
92 switch (drvdata->mclk_sel) {
94 clk_ptr = drvdata->clk_ptr_sysclk;
97 clk_ptr = drvdata->clk_ptr_ulpclk;
103 if (IS_ERR(clk_ptr)) {
104 dev_err(dev, "%s: ERROR: %s not initialized!\n", __func__,
105 get_mclk_str(drvdata->mclk_sel));
109 status = clk_set_parent(drvdata->clk_ptr_intclk, clk_ptr);
112 "%s: ERROR: Setting intclk parent to %s failed (ret = %d)!",
113 __func__, get_mclk_str(drvdata->mclk_sel), status);
116 "%s: intclk parent changed to %s.\n",
117 __func__, get_mclk_str(drvdata->mclk_sel));
126 static int mclk_input_control_get(struct snd_kcontrol *kcontrol,
127 struct snd_ctl_elem_value *ucontrol)
129 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
130 struct mop500_ab8500_drvdata *drvdata =
131 snd_soc_card_get_drvdata(card);
133 ucontrol->value.enumerated.item[0] = drvdata->mclk_sel;
138 static int mclk_input_control_put(struct snd_kcontrol *kcontrol,
139 struct snd_ctl_elem_value *ucontrol)
141 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
142 struct mop500_ab8500_drvdata *drvdata =
143 snd_soc_card_get_drvdata(card);
144 unsigned int val = ucontrol->value.enumerated.item[0];
146 if (val > (unsigned int)MCLK_ULPCLK)
148 if (drvdata->mclk_sel == val)
151 drvdata->mclk_sel = val;
160 static struct snd_kcontrol_new mop500_ab8500_ctrls[] = {
161 SOC_ENUM_EXT("Master Clock Select",
163 mclk_input_control_get, mclk_input_control_put),
164 SOC_DAPM_PIN_SWITCH("Headset Left"),
165 SOC_DAPM_PIN_SWITCH("Headset Right"),
166 SOC_DAPM_PIN_SWITCH("Earpiece"),
167 SOC_DAPM_PIN_SWITCH("Speaker Left"),
168 SOC_DAPM_PIN_SWITCH("Speaker Right"),
169 SOC_DAPM_PIN_SWITCH("LineOut Left"),
170 SOC_DAPM_PIN_SWITCH("LineOut Right"),
171 SOC_DAPM_PIN_SWITCH("Vibra 1"),
172 SOC_DAPM_PIN_SWITCH("Vibra 2"),
173 SOC_DAPM_PIN_SWITCH("Mic 1"),
174 SOC_DAPM_PIN_SWITCH("Mic 2"),
175 SOC_DAPM_PIN_SWITCH("LineIn Left"),
176 SOC_DAPM_PIN_SWITCH("LineIn Right"),
177 SOC_DAPM_PIN_SWITCH("DMic 1"),
178 SOC_DAPM_PIN_SWITCH("DMic 2"),
179 SOC_DAPM_PIN_SWITCH("DMic 3"),
180 SOC_DAPM_PIN_SWITCH("DMic 4"),
181 SOC_DAPM_PIN_SWITCH("DMic 5"),
182 SOC_DAPM_PIN_SWITCH("DMic 6"),
187 static int mop500_ab8500_startup(struct snd_pcm_substream *substream)
189 struct snd_soc_pcm_runtime *rtd = substream->private_data;
191 /* Set audio-clock source */
192 return mop500_ab8500_set_mclk(rtd->card->dev,
193 snd_soc_card_get_drvdata(rtd->card));
196 static void mop500_ab8500_shutdown(struct snd_pcm_substream *substream)
198 struct snd_soc_pcm_runtime *rtd = substream->private_data;
199 struct device *dev = rtd->card->dev;
201 dev_dbg(dev, "%s: Enter\n", __func__);
203 /* Reset slots configuration to default(s) */
204 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
205 tx_slots = DEF_TX_SLOTS;
207 rx_slots = DEF_RX_SLOTS;
210 static int mop500_ab8500_hw_params(struct snd_pcm_substream *substream,
211 struct snd_pcm_hw_params *params)
213 struct snd_soc_pcm_runtime *rtd = substream->private_data;
214 struct snd_soc_dai *codec_dai = rtd->codec_dai;
215 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
216 struct device *dev = rtd->card->dev;
218 int channels, ret = 0, driver_mode, slots;
219 unsigned int sw_codec, sw_cpu;
222 dev_dbg(dev, "%s: Enter\n", __func__);
224 dev_dbg(dev, "%s: substream->pcm->name = %s\n"
225 "substream->pcm->id = %s.\n"
226 "substream->name = %s.\n"
227 "substream->number = %d.\n",
229 substream->pcm->name,
234 channels = params_channels(params);
236 switch (params_format(params)) {
237 case SNDRV_PCM_FORMAT_S32_LE:
241 case SNDRV_PCM_FORMAT_S16_LE:
249 /* Setup codec depending on driver-mode */
251 driver_mode = DRIVERMODE_CODEC_ONLY;
253 driver_mode = DRIVERMODE_NORMAL;
254 dev_dbg(dev, "%s: Driver-mode: %s.\n", __func__,
255 (driver_mode == DRIVERMODE_NORMAL) ? "NORMAL" : "CODEC_ONLY");
259 if (driver_mode == DRIVERMODE_NORMAL) {
260 fmt = SND_SOC_DAIFMT_DSP_A |
261 SND_SOC_DAIFMT_CBM_CFM |
262 SND_SOC_DAIFMT_NB_NF |
265 fmt = SND_SOC_DAIFMT_DSP_A |
266 SND_SOC_DAIFMT_CBM_CFM |
267 SND_SOC_DAIFMT_NB_NF |
268 SND_SOC_DAIFMT_GATED;
271 ret = snd_soc_dai_set_fmt(codec_dai, fmt);
274 "%s: ERROR: snd_soc_dai_set_fmt failed for codec_dai (ret = %d)!\n",
279 ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
282 "%s: ERROR: snd_soc_dai_set_fmt failed for cpu_dai (ret = %d)!\n",
287 /* Setup TDM-slots */
289 is_playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
293 tx_slots = (is_playback) ? TX_SLOT_MONO : 0;
294 rx_slots = (is_playback) ? 0 : RX_SLOT_MONO;
298 tx_slots = (is_playback) ? TX_SLOT_STEREO : 0;
299 rx_slots = (is_playback) ? 0 : RX_SLOT_STEREO;
303 tx_slots = (is_playback) ? TX_SLOT_8CH : 0;
304 rx_slots = (is_playback) ? 0 : RX_SLOT_8CH;
310 if (driver_mode == DRIVERMODE_NORMAL)
315 dev_dbg(dev, "%s: CPU-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__,
317 ret = snd_soc_dai_set_tdm_slot(cpu_dai, tx_slots, rx_slots, slots,
322 dev_dbg(dev, "%s: CODEC-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__,
324 ret = snd_soc_dai_set_tdm_slot(codec_dai, tx_slots, rx_slots, slots,
332 struct snd_soc_ops mop500_ab8500_ops[] = {
334 .hw_params = mop500_ab8500_hw_params,
335 .startup = mop500_ab8500_startup,
336 .shutdown = mop500_ab8500_shutdown,
340 int mop500_ab8500_machine_init(struct snd_soc_pcm_runtime *rtd)
342 struct snd_soc_codec *codec = rtd->codec;
343 struct device *dev = rtd->card->dev;
344 struct mop500_ab8500_drvdata *drvdata;
347 dev_dbg(dev, "%s Enter.\n", __func__);
349 /* Create driver private-data struct */
350 drvdata = devm_kzalloc(dev, sizeof(struct mop500_ab8500_drvdata),
352 snd_soc_card_set_drvdata(rtd->card, drvdata);
356 drvdata->clk_ptr_sysclk = clk_get(dev, "sysclk");
357 if (IS_ERR(drvdata->clk_ptr_sysclk))
358 dev_warn(dev, "%s: WARNING: clk_get failed for 'sysclk'!\n",
360 drvdata->clk_ptr_ulpclk = clk_get(dev, "ulpclk");
361 if (IS_ERR(drvdata->clk_ptr_ulpclk))
362 dev_warn(dev, "%s: WARNING: clk_get failed for 'ulpclk'!\n",
364 drvdata->clk_ptr_intclk = clk_get(dev, "intclk");
365 if (IS_ERR(drvdata->clk_ptr_intclk))
366 dev_warn(dev, "%s: WARNING: clk_get failed for 'intclk'!\n",
369 /* Set intclk default parent to ulpclk */
370 drvdata->mclk_sel = MCLK_ULPCLK;
371 ret = mop500_ab8500_set_mclk(dev, drvdata);
373 dev_warn(dev, "%s: WARNING: mop500_ab8500_set_mclk!\n",
376 drvdata->mclk_sel = MCLK_ULPCLK;
379 ret = snd_soc_add_card_controls(codec->card, mop500_ab8500_ctrls,
380 ARRAY_SIZE(mop500_ab8500_ctrls));
382 pr_err("%s: Failed to add machine-controls (%d)!\n",
387 ret = snd_soc_dapm_disable_pin(&codec->dapm, "Earpiece");
388 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Speaker Left");
389 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Speaker Right");
390 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "LineOut Left");
391 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "LineOut Right");
392 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Vibra 1");
393 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Vibra 2");
394 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Mic 1");
395 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Mic 2");
396 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "LineIn Left");
397 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "LineIn Right");
398 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 1");
399 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 2");
400 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 3");
401 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 4");
402 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 5");
403 ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 6");
408 void mop500_ab8500_remove(struct snd_soc_card *card)
410 struct mop500_ab8500_drvdata *drvdata = snd_soc_card_get_drvdata(card);
412 if (drvdata->clk_ptr_sysclk != NULL)
413 clk_put(drvdata->clk_ptr_sysclk);
414 if (drvdata->clk_ptr_ulpclk != NULL)
415 clk_put(drvdata->clk_ptr_ulpclk);
416 if (drvdata->clk_ptr_intclk != NULL)
417 clk_put(drvdata->clk_ptr_intclk);
419 snd_soc_card_set_drvdata(card, drvdata);