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 "../codecs/ab8500-codec.h"
29 #define TX_SLOT_MONO 0x0008
30 #define TX_SLOT_STEREO 0x000a
31 #define RX_SLOT_MONO 0x0001
32 #define RX_SLOT_STEREO 0x0003
33 #define TX_SLOT_8CH 0x00FF
34 #define RX_SLOT_8CH 0x00FF
36 #define DEF_TX_SLOTS TX_SLOT_STEREO
37 #define DEF_RX_SLOTS RX_SLOT_MONO
39 #define DRIVERMODE_NORMAL 0
40 #define DRIVERMODE_CODEC_ONLY 1
42 /* Slot configuration */
43 static unsigned int tx_slots
= DEF_TX_SLOTS
;
44 static unsigned int rx_slots
= DEF_RX_SLOTS
;
47 static const char * const enum_mclk
[] = {
56 static SOC_ENUM_SINGLE_EXT_DECL(soc_enum_mclk
, enum_mclk
);
58 /* Private data for machine-part MOP500<->AB8500 */
59 struct mop500_ab8500_drvdata
{
62 struct clk
*clk_ptr_intclk
;
63 struct clk
*clk_ptr_sysclk
;
64 struct clk
*clk_ptr_ulpclk
;
67 static inline const char *get_mclk_str(enum mclk mclk_sel
)
79 static int mop500_ab8500_set_mclk(struct device
*dev
,
80 struct mop500_ab8500_drvdata
*drvdata
)
85 if (IS_ERR(drvdata
->clk_ptr_intclk
)) {
87 "%s: ERROR: intclk not initialized!\n", __func__
);
91 switch (drvdata
->mclk_sel
) {
93 clk_ptr
= drvdata
->clk_ptr_sysclk
;
96 clk_ptr
= drvdata
->clk_ptr_ulpclk
;
102 if (IS_ERR(clk_ptr
)) {
103 dev_err(dev
, "%s: ERROR: %s not initialized!\n", __func__
,
104 get_mclk_str(drvdata
->mclk_sel
));
108 status
= clk_set_parent(drvdata
->clk_ptr_intclk
, clk_ptr
);
111 "%s: ERROR: Setting intclk parent to %s failed (ret = %d)!",
112 __func__
, get_mclk_str(drvdata
->mclk_sel
), status
);
115 "%s: intclk parent changed to %s.\n",
116 __func__
, get_mclk_str(drvdata
->mclk_sel
));
125 static int mclk_input_control_get(struct snd_kcontrol
*kcontrol
,
126 struct snd_ctl_elem_value
*ucontrol
)
128 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
129 struct mop500_ab8500_drvdata
*drvdata
=
130 snd_soc_card_get_drvdata(codec
->card
);
132 ucontrol
->value
.enumerated
.item
[0] = drvdata
->mclk_sel
;
137 static int mclk_input_control_put(struct snd_kcontrol
*kcontrol
,
138 struct snd_ctl_elem_value
*ucontrol
)
140 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
141 struct mop500_ab8500_drvdata
*drvdata
=
142 snd_soc_card_get_drvdata(codec
->card
);
143 unsigned int val
= ucontrol
->value
.enumerated
.item
[0];
145 if (val
> (unsigned int)MCLK_ULPCLK
)
147 if (drvdata
->mclk_sel
== val
)
150 drvdata
->mclk_sel
= val
;
159 static struct snd_kcontrol_new mop500_ab8500_ctrls
[] = {
160 SOC_ENUM_EXT("Master Clock Select",
162 mclk_input_control_get
, mclk_input_control_put
),
163 /* Digital interface - Clocks */
164 SOC_SINGLE("Digital Interface Master Generator Switch",
165 AB8500_DIGIFCONF1
, AB8500_DIGIFCONF1_ENMASTGEN
,
167 SOC_SINGLE("Digital Interface 0 Bit-clock Switch",
168 AB8500_DIGIFCONF1
, AB8500_DIGIFCONF1_ENFSBITCLK0
,
170 SOC_SINGLE("Digital Interface 1 Bit-clock Switch",
171 AB8500_DIGIFCONF1
, AB8500_DIGIFCONF1_ENFSBITCLK1
,
173 SOC_DAPM_PIN_SWITCH("Headset Left"),
174 SOC_DAPM_PIN_SWITCH("Headset Right"),
175 SOC_DAPM_PIN_SWITCH("Earpiece"),
176 SOC_DAPM_PIN_SWITCH("Speaker Left"),
177 SOC_DAPM_PIN_SWITCH("Speaker Right"),
178 SOC_DAPM_PIN_SWITCH("LineOut Left"),
179 SOC_DAPM_PIN_SWITCH("LineOut Right"),
180 SOC_DAPM_PIN_SWITCH("Vibra 1"),
181 SOC_DAPM_PIN_SWITCH("Vibra 2"),
182 SOC_DAPM_PIN_SWITCH("Mic 1"),
183 SOC_DAPM_PIN_SWITCH("Mic 2"),
184 SOC_DAPM_PIN_SWITCH("LineIn Left"),
185 SOC_DAPM_PIN_SWITCH("LineIn Right"),
186 SOC_DAPM_PIN_SWITCH("DMic 1"),
187 SOC_DAPM_PIN_SWITCH("DMic 2"),
188 SOC_DAPM_PIN_SWITCH("DMic 3"),
189 SOC_DAPM_PIN_SWITCH("DMic 4"),
190 SOC_DAPM_PIN_SWITCH("DMic 5"),
191 SOC_DAPM_PIN_SWITCH("DMic 6"),
196 int mop500_ab8500_startup(struct snd_pcm_substream
*substream
)
198 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
200 /* Set audio-clock source */
201 return mop500_ab8500_set_mclk(rtd
->card
->dev
,
202 snd_soc_card_get_drvdata(rtd
->card
));
205 void mop500_ab8500_shutdown(struct snd_pcm_substream
*substream
)
207 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
208 struct device
*dev
= rtd
->card
->dev
;
210 dev_dbg(dev
, "%s: Enter\n", __func__
);
212 /* Reset slots configuration to default(s) */
213 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
)
214 tx_slots
= DEF_TX_SLOTS
;
216 rx_slots
= DEF_RX_SLOTS
;
219 int mop500_ab8500_hw_params(struct snd_pcm_substream
*substream
,
220 struct snd_pcm_hw_params
*params
)
222 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
223 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
224 struct snd_soc_dai
*cpu_dai
= rtd
->cpu_dai
;
225 struct device
*dev
= rtd
->card
->dev
;
227 int channels
, ret
= 0, driver_mode
, slots
;
228 unsigned int sw_codec
, sw_cpu
;
231 dev_dbg(dev
, "%s: Enter\n", __func__
);
233 dev_dbg(dev
, "%s: substream->pcm->name = %s\n"
234 "substream->pcm->id = %s.\n"
235 "substream->name = %s.\n"
236 "substream->number = %d.\n",
238 substream
->pcm
->name
,
243 channels
= params_channels(params
);
245 switch (params_format(params
)) {
246 case SNDRV_PCM_FORMAT_S32_LE
:
250 case SNDRV_PCM_FORMAT_S16_LE
:
258 /* Setup codec depending on driver-mode */
260 driver_mode
= DRIVERMODE_CODEC_ONLY
;
262 driver_mode
= DRIVERMODE_NORMAL
;
263 dev_dbg(dev
, "%s: Driver-mode: %s.\n", __func__
,
264 (driver_mode
== DRIVERMODE_NORMAL
) ? "NORMAL" : "CODEC_ONLY");
268 if (driver_mode
== DRIVERMODE_NORMAL
) {
269 fmt
= SND_SOC_DAIFMT_DSP_A
|
270 SND_SOC_DAIFMT_CBM_CFM
|
271 SND_SOC_DAIFMT_NB_NF
|
274 fmt
= SND_SOC_DAIFMT_DSP_A
|
275 SND_SOC_DAIFMT_CBM_CFM
|
276 SND_SOC_DAIFMT_NB_NF
|
277 SND_SOC_DAIFMT_GATED
;
280 ret
= snd_soc_dai_set_fmt(codec_dai
, fmt
);
283 "%s: ERROR: snd_soc_dai_set_fmt failed for codec_dai (ret = %d)!\n",
288 ret
= snd_soc_dai_set_fmt(cpu_dai
, fmt
);
291 "%s: ERROR: snd_soc_dai_set_fmt failed for cpu_dai (ret = %d)!\n",
296 /* Setup TDM-slots */
298 is_playback
= (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
);
302 tx_slots
= (is_playback
) ? TX_SLOT_MONO
: 0;
303 rx_slots
= (is_playback
) ? 0 : RX_SLOT_MONO
;
307 tx_slots
= (is_playback
) ? TX_SLOT_STEREO
: 0;
308 rx_slots
= (is_playback
) ? 0 : RX_SLOT_STEREO
;
312 tx_slots
= (is_playback
) ? TX_SLOT_8CH
: 0;
313 rx_slots
= (is_playback
) ? 0 : RX_SLOT_8CH
;
319 if (driver_mode
== DRIVERMODE_NORMAL
)
324 dev_dbg(dev
, "%s: CPU-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__
,
326 ret
= snd_soc_dai_set_tdm_slot(cpu_dai
, tx_slots
, rx_slots
, slots
,
331 dev_dbg(dev
, "%s: CODEC-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__
,
333 ret
= snd_soc_dai_set_tdm_slot(codec_dai
, tx_slots
, rx_slots
, slots
,
341 struct snd_soc_ops mop500_ab8500_ops
[] = {
343 .hw_params
= mop500_ab8500_hw_params
,
344 .startup
= mop500_ab8500_startup
,
345 .shutdown
= mop500_ab8500_shutdown
,
349 int mop500_ab8500_machine_init(struct snd_soc_pcm_runtime
*rtd
)
351 struct snd_soc_codec
*codec
= rtd
->codec
;
352 struct device
*dev
= rtd
->card
->dev
;
353 struct mop500_ab8500_drvdata
*drvdata
;
356 dev_dbg(dev
, "%s Enter.\n", __func__
);
358 /* Create driver private-data struct */
359 drvdata
= devm_kzalloc(dev
, sizeof(struct mop500_ab8500_drvdata
),
361 snd_soc_card_set_drvdata(rtd
->card
, drvdata
);
365 drvdata
->clk_ptr_sysclk
= clk_get(dev
, "sysclk");
366 if (IS_ERR(drvdata
->clk_ptr_sysclk
))
367 dev_warn(dev
, "%s: WARNING: clk_get failed for 'sysclk'!\n",
369 drvdata
->clk_ptr_ulpclk
= clk_get(dev
, "ulpclk");
370 if (IS_ERR(drvdata
->clk_ptr_ulpclk
))
371 dev_warn(dev
, "%s: WARNING: clk_get failed for 'ulpclk'!\n",
373 drvdata
->clk_ptr_intclk
= clk_get(dev
, "intclk");
374 if (IS_ERR(drvdata
->clk_ptr_intclk
))
375 dev_warn(dev
, "%s: WARNING: clk_get failed for 'intclk'!\n",
378 /* Set intclk default parent to ulpclk */
379 drvdata
->mclk_sel
= MCLK_ULPCLK
;
380 ret
= mop500_ab8500_set_mclk(dev
, drvdata
);
382 dev_warn(dev
, "%s: WARNING: mop500_ab8500_set_mclk!\n",
385 drvdata
->mclk_sel
= MCLK_ULPCLK
;
388 ret
= snd_soc_add_codec_controls(codec
, mop500_ab8500_ctrls
,
389 ARRAY_SIZE(mop500_ab8500_ctrls
));
391 pr_err("%s: Failed to add machine-controls (%d)!\n",
396 ret
= snd_soc_dapm_disable_pin(&codec
->dapm
, "Earpiece");
397 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "Speaker Left");
398 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "Speaker Right");
399 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "LineOut Left");
400 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "LineOut Right");
401 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "Vibra 1");
402 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "Vibra 2");
403 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "Mic 1");
404 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "Mic 2");
405 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "LineIn Left");
406 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "LineIn Right");
407 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "DMic 1");
408 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "DMic 2");
409 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "DMic 3");
410 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "DMic 4");
411 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "DMic 5");
412 ret
|= snd_soc_dapm_disable_pin(&codec
->dapm
, "DMic 6");
417 void mop500_ab8500_remove(struct snd_soc_card
*card
)
419 struct mop500_ab8500_drvdata
*drvdata
= snd_soc_card_get_drvdata(card
);
421 if (drvdata
->clk_ptr_sysclk
!= NULL
)
422 clk_put(drvdata
->clk_ptr_sysclk
);
423 if (drvdata
->clk_ptr_ulpclk
!= NULL
)
424 clk_put(drvdata
->clk_ptr_ulpclk
);
425 if (drvdata
->clk_ptr_intclk
!= NULL
)
426 clk_put(drvdata
->clk_ptr_intclk
);
428 snd_soc_card_set_drvdata(card
, drvdata
);