diff options
Diffstat (limited to 'drivers/staging/intel_sst/intelmid.c')
| -rw-r--r-- | drivers/staging/intel_sst/intelmid.c | 1022 |
1 files changed, 0 insertions, 1022 deletions
diff --git a/drivers/staging/intel_sst/intelmid.c b/drivers/staging/intel_sst/intelmid.c deleted file mode 100644 index 492b660246b..00000000000 --- a/drivers/staging/intel_sst/intelmid.c +++ /dev/null @@ -1,1022 +0,0 @@ -/* - * intelmid.c - Intel Sound card driver for MID - * - * Copyright (C) 2008-10 Intel Corp - * Authors: Harsha Priya <priya.harsha@intel.com> - * Vinod Koul <vinod.koul@intel.com> - * Dharageswari R <dharageswari.r@intel.com> - * KP Jeeja <jeeja.kp@intel.com> - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * ALSA driver for Intel MID sound card chipset - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/io.h> -#include <linux/platform_device.h> -#include <linux/interrupt.h> -#include <linux/sched.h> -#include <linux/firmware.h> -#include <linux/input.h> -#include <sound/control.h> -#include <asm/mrst.h> -#include <sound/pcm.h> -#include <sound/jack.h> -#include <sound/pcm_params.h> -#include <sound/initval.h> -#include <linux/gpio.h> -#include "intel_sst.h" -#include "intel_sst_ioctl.h" -#include "intel_sst_fw_ipc.h" -#include "intel_sst_common.h" -#include "intelmid_snd_control.h" -#include "intelmid_adc_control.h" -#include "intelmid.h" - -MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>"); -MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>"); -MODULE_AUTHOR("Dharageswari R <dharageswari.r@intel.com>"); -MODULE_AUTHOR("KP Jeeja <jeeja.kp@intel.com>"); -MODULE_DESCRIPTION("Intel MAD Sound card driver"); -MODULE_LICENSE("GPL v2"); -MODULE_SUPPORTED_DEVICE("{Intel,Intel_MAD}"); - - -static int card_index = SNDRV_DEFAULT_IDX1;/* Index 0-MAX */ -static char *card_id = SNDRV_DEFAULT_STR1; /* ID for this card */ - -module_param(card_index, int, 0444); -MODULE_PARM_DESC(card_index, "Index value for INTELMAD soundcard."); -module_param(card_id, charp, 0444); -MODULE_PARM_DESC(card_id, "ID string for INTELMAD soundcard."); - -int sst_card_vendor_id; -int intelmid_audio_interrupt_enable;/*checkpatch fix*/ -struct snd_intelmad *intelmad_drv; - -#define INFO(_cpu_id, _irq_cache, _size) \ - ((kernel_ulong_t)&(struct snd_intelmad_probe_info) { \ - .cpu_id = (_cpu_id), \ - .irq_cache = (_irq_cache), \ - .size = (_size), \ - }) -/* Data path functionalities */ -static struct snd_pcm_hardware snd_intelmad_stream = { - .info = (SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_DOUBLE | - SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_RESUME | - SNDRV_PCM_INFO_MMAP| - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_SYNC_START), - .formats = (SNDRV_PCM_FMTBIT_S16 | SNDRV_PCM_FMTBIT_U16 | - SNDRV_PCM_FMTBIT_S24 | SNDRV_PCM_FMTBIT_U24 | - SNDRV_PCM_FMTBIT_S32 | SNDRV_PCM_FMTBIT_U32), - .rates = (SNDRV_PCM_RATE_8000| - SNDRV_PCM_RATE_44100 | - SNDRV_PCM_RATE_48000), - .rate_min = MIN_RATE, - - .rate_max = MAX_RATE, - .channels_min = MIN_CHANNEL, - .channels_max = MAX_CHANNEL_AMIC, - .buffer_bytes_max = MAX_BUFFER, - .period_bytes_min = MIN_PERIOD_BYTES, - .period_bytes_max = MAX_PERIOD_BYTES, - .periods_min = MIN_PERIODS, - .periods_max = MAX_PERIODS, - .fifo_size = FIFO_SIZE, -}; - - -/** - * snd_intelmad_pcm_trigger - stream activities are handled here - * - * @substream:substream for which the stream function is called - * @cmd:the stream commamd that requested from upper layer - * - * This function is called whenever an a stream activity is invoked - */ -static int snd_intelmad_pcm_trigger(struct snd_pcm_substream *substream, - int cmd) -{ - int ret_val = 0, str_id; - struct snd_intelmad *intelmaddata; - struct mad_stream_pvt *stream; - struct intel_sst_pcm_control *sst_ops; - - WARN_ON(!substream); - - intelmaddata = snd_pcm_substream_chip(substream); - stream = substream->runtime->private_data; - - WARN_ON(!intelmaddata->sstdrv_ops); - WARN_ON(!intelmaddata->sstdrv_ops->scard_ops); - sst_ops = intelmaddata->sstdrv_ops->pcm_control; - str_id = stream->stream_info.str_id; - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - pr_debug("Trigger Start\n"); - ret_val = sst_ops->device_control(SST_SND_START, &str_id); - if (ret_val) - return ret_val; - stream->stream_status = RUNNING; - stream->substream = substream; - break; - case SNDRV_PCM_TRIGGER_STOP: - pr_debug("in stop\n"); - ret_val = sst_ops->device_control(SST_SND_DROP, &str_id); - if (ret_val) - return ret_val; - stream->stream_status = DROPPED; - break; - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - pr_debug("in pause\n"); - ret_val = sst_ops->device_control(SST_SND_PAUSE, &str_id); - if (ret_val) - return ret_val; - stream->stream_status = PAUSED; - break; - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - pr_debug("in pause release\n"); - ret_val = sst_ops->device_control(SST_SND_RESUME, &str_id); - if (ret_val) - return ret_val; - stream->stream_status = RUNNING; - break; - default: - return -EINVAL; - } - return ret_val; -} - -/** -* snd_intelmad_pcm_prepare- internal preparation before starting a stream -* -* @substream: substream for which the function is called -* -* This function is called when a stream is started for internal preparation. -*/ -static int snd_intelmad_pcm_prepare(struct snd_pcm_substream *substream) -{ - struct mad_stream_pvt *stream; - int ret_val = 0; - struct snd_intelmad *intelmaddata; - - pr_debug("pcm_prepare called\n"); - - WARN_ON(!substream); - stream = substream->runtime->private_data; - intelmaddata = snd_pcm_substream_chip(substream); - pr_debug("pb cnt = %d cap cnt = %d\n",\ - intelmaddata->playback_cnt, - intelmaddata->capture_cnt); - - if (stream->stream_info.str_id) { - pr_debug("Prepare called for already set stream\n"); - ret_val = intelmaddata->sstdrv_ops->pcm_control->device_control( - SST_SND_DROP, &stream->stream_info.str_id); - return ret_val; - } - - ret_val = snd_intelmad_alloc_stream(substream); - if (ret_val < 0) - return ret_val; - stream->dbg_cum_bytes = 0; - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - intelmaddata->playback_cnt++; - else - intelmaddata->capture_cnt++; - /* return back the stream id */ - snprintf(substream->pcm->id, sizeof(substream->pcm->id), - "%d", stream->stream_info.str_id); - pr_debug("stream id to user = %s\n", - substream->pcm->id); - - ret_val = snd_intelmad_init_stream(substream); - if (ret_val) - return ret_val; - substream->runtime->hw.info = SNDRV_PCM_INFO_BLOCK_TRANSFER; - return ret_val; -} - -static int snd_intelmad_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - int ret_val; - - pr_debug("snd_intelmad_hw_params called\n"); - ret_val = snd_pcm_lib_malloc_pages(substream, - params_buffer_bytes(hw_params)); - memset(substream->runtime->dma_area, 0, - params_buffer_bytes(hw_params)); - - return ret_val; -} - -static int snd_intelmad_hw_free(struct snd_pcm_substream *substream) -{ - pr_debug("snd_intelmad_hw_free called\n"); - return snd_pcm_lib_free_pages(substream); -} - -/** - * snd_intelmad_pcm_pointer- to send the current buffer pointer processed by hw - * - * @substream: substream for which the function is called - * - * This function is called by ALSA framework to get the current hw buffer ptr - * when a period is elapsed - */ -static snd_pcm_uframes_t snd_intelmad_pcm_pointer - (struct snd_pcm_substream *substream) -{ - /* struct snd_pcm_runtime *runtime = substream->runtime; */ - struct mad_stream_pvt *stream; - struct snd_intelmad *intelmaddata; - int ret_val; - - WARN_ON(!substream); - - intelmaddata = snd_pcm_substream_chip(substream); - stream = substream->runtime->private_data; - if (stream->stream_status == INIT) - return 0; - - ret_val = intelmaddata->sstdrv_ops->pcm_control->device_control( - SST_SND_BUFFER_POINTER, &stream->stream_info); - if (ret_val) { - pr_err("error code = 0x%x\n", ret_val); - return ret_val; - } - pr_debug("samples reported out 0x%llx\n", - stream->stream_info.buffer_ptr); - pr_debug("Frame bits:: %d period_count :: %d\n", - (int)substream->runtime->frame_bits, - (int)substream->runtime->period_size); - - return stream->stream_info.buffer_ptr; - -} - -/** - * snd_intelmad_close- to free parameteres when stream is stopped - * - * @substream: substream for which the function is called - * - * This function is called by ALSA framework when stream is stopped - */ -static int snd_intelmad_close(struct snd_pcm_substream *substream) -{ - struct snd_intelmad *intelmaddata; - struct mad_stream_pvt *stream; - int ret_val = 0, str_id; - - WARN_ON(!substream); - - stream = substream->runtime->private_data; - str_id = stream->stream_info.str_id; - - pr_debug("sst: snd_intelmad_close called for %d\n", str_id); - intelmaddata = snd_pcm_substream_chip(substream); - - pr_debug("str id = %d\n", stream->stream_info.str_id); - if (stream->stream_info.str_id) { - /* SST API to actually stop/free the stream */ - ret_val = intelmaddata->sstdrv_ops->pcm_control->close(str_id); - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - intelmaddata->playback_cnt--; - else - intelmaddata->capture_cnt--; - } - pr_debug("snd_intelmad_close : pb cnt = %d cap cnt = %d\n", - intelmaddata->playback_cnt, intelmaddata->capture_cnt); - kfree(substream->runtime->private_data); - return ret_val; -} - -/** - * snd_intelmad_open- to set runtime parameters during stream start - * - * @substream: substream for which the function is called - * @type: audio device type - * - * This function is called by ALSA framework when stream is started - */ -static int snd_intelmad_open(struct snd_pcm_substream *substream, - enum snd_sst_audio_device_type type) -{ - struct snd_intelmad *intelmaddata; - struct snd_pcm_runtime *runtime; - struct mad_stream_pvt *stream; - - WARN_ON(!substream); - - pr_debug("snd_intelmad_open called\n"); - - intelmaddata = snd_pcm_substream_chip(substream); - runtime = substream->runtime; - /* set the runtime hw parameter with local snd_pcm_hardware struct */ - runtime->hw = snd_intelmad_stream; - if (intelmaddata->cpu_id == CPU_CHIP_LINCROFT) { - /* - * MRST firmware currently denies stereo recording requests. - */ - if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { - runtime->hw.formats = (SNDRV_PCM_FMTBIT_S16 | - SNDRV_PCM_FMTBIT_U16); - runtime->hw.channels_max = 1; - } - } - if (intelmaddata->cpu_id == CPU_CHIP_PENWELL) { - runtime->hw = snd_intelmad_stream; - runtime->hw.rates = SNDRV_PCM_RATE_48000; - runtime->hw.rate_min = MAX_RATE; - runtime->hw.formats = (SNDRV_PCM_FMTBIT_S24 | - SNDRV_PCM_FMTBIT_U24); - if (intelmaddata->sstdrv_ops->scard_ops->input_dev_id == AMIC) - runtime->hw.channels_max = MAX_CHANNEL_AMIC; - else - runtime->hw.channels_max = MAX_CHANNEL_DMIC; - - } - /* setup the internal datastruture stream pointers based on it being - playback or capture stream */ - stream = kzalloc(sizeof(*stream), GFP_KERNEL); - if (!stream) - return -ENOMEM; - stream->stream_info.str_id = 0; - stream->device = type; - stream->stream_status = INIT; - runtime->private_data = stream; - return snd_pcm_hw_constraint_integer(runtime, - SNDRV_PCM_HW_PARAM_PERIODS); -} - -static int snd_intelmad_headset_open(struct snd_pcm_substream *substream) -{ - return snd_intelmad_open(substream, SND_SST_DEVICE_HEADSET); -} - -static int snd_intelmad_ihf_open(struct snd_pcm_substream *substream) -{ - return snd_intelmad_open(substream, SND_SST_DEVICE_IHF); -} - -static int snd_intelmad_vibra_open(struct snd_pcm_substream *substream) -{ - return snd_intelmad_open(substream, SND_SST_DEVICE_VIBRA); -} - -static int snd_intelmad_haptic_open(struct snd_pcm_substream *substream) -{ - return snd_intelmad_open(substream, SND_SST_DEVICE_HAPTIC); -} - -static struct snd_pcm_ops snd_intelmad_headset_ops = { - .open = snd_intelmad_headset_open, - .close = snd_intelmad_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_intelmad_hw_params, - .hw_free = snd_intelmad_hw_free, - .prepare = snd_intelmad_pcm_prepare, - .trigger = snd_intelmad_pcm_trigger, - .pointer = snd_intelmad_pcm_pointer, -}; - -static struct snd_pcm_ops snd_intelmad_ihf_ops = { - .open = snd_intelmad_ihf_open, - .close = snd_intelmad_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_intelmad_hw_params, - .hw_free = snd_intelmad_hw_free, - .prepare = snd_intelmad_pcm_prepare, - .trigger = snd_intelmad_pcm_trigger, - .pointer = snd_intelmad_pcm_pointer, -}; - -static struct snd_pcm_ops snd_intelmad_vibra_ops = { - .open = snd_intelmad_vibra_open, - .close = snd_intelmad_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_intelmad_hw_params, - .hw_free = snd_intelmad_hw_free, - .prepare = snd_intelmad_pcm_prepare, - .trigger = snd_intelmad_pcm_trigger, - .pointer = snd_intelmad_pcm_pointer, -}; - -static struct snd_pcm_ops snd_intelmad_haptic_ops = { - .open = snd_intelmad_haptic_open, - .close = snd_intelmad_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_intelmad_hw_params, - .hw_free = snd_intelmad_hw_free, - .prepare = snd_intelmad_pcm_prepare, - .trigger = snd_intelmad_pcm_trigger, - .pointer = snd_intelmad_pcm_pointer, -}; - -static struct snd_pcm_ops snd_intelmad_capture_ops = { - .open = snd_intelmad_headset_open, - .close = snd_intelmad_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_intelmad_hw_params, - .hw_free = snd_intelmad_hw_free, - .prepare = snd_intelmad_pcm_prepare, - .trigger = snd_intelmad_pcm_trigger, - .pointer = snd_intelmad_pcm_pointer, -}; - -int intelmad_get_mic_bias(void) -{ - struct snd_pmic_ops *pmic_ops; - - if (!intelmad_drv || !intelmad_drv->sstdrv_ops) - return -ENODEV; - pmic_ops = intelmad_drv->sstdrv_ops->scard_ops; - if (pmic_ops && pmic_ops->pmic_get_mic_bias) - return pmic_ops->pmic_get_mic_bias(intelmad_drv); - else - return -ENODEV; -} -EXPORT_SYMBOL_GPL(intelmad_get_mic_bias); - -int intelmad_set_headset_state(int state) -{ - struct snd_pmic_ops *pmic_ops; - - if (!intelmad_drv || !intelmad_drv->sstdrv_ops) - return -ENODEV; - pmic_ops = intelmad_drv->sstdrv_ops->scard_ops; - if (pmic_ops && pmic_ops->pmic_set_headset_state) - return pmic_ops->pmic_set_headset_state(state); - else - return -ENODEV; -} -EXPORT_SYMBOL_GPL(intelmad_set_headset_state); - -void sst_process_mad_jack_detection(struct work_struct *work) -{ - u8 interrupt_status; - struct mad_jack_msg_wq *mad_jack_detect = - container_of(work, struct mad_jack_msg_wq, wq); - - struct snd_intelmad *intelmaddata = - mad_jack_detect->intelmaddata; - - if (!intelmaddata) - return; - - interrupt_status = mad_jack_detect->intsts; - if (intelmaddata->sstdrv_ops && intelmaddata->sstdrv_ops->scard_ops - && intelmaddata->sstdrv_ops->scard_ops->pmic_irq_cb) { - intelmaddata->sstdrv_ops->scard_ops->pmic_irq_cb( - (void *)intelmaddata, interrupt_status); - intelmaddata->sstdrv_ops->scard_ops->pmic_jack_enable(); - } - kfree(mad_jack_detect); -} -/** - * snd_intelmad_intr_handler- interrupt handler - * - * @irq : irq number of the interrupt received - * @dev: device context - * - * This function is called when an interrupt is raised at the sound card - */ -static irqreturn_t snd_intelmad_intr_handler(int irq, void *dev) -{ - struct snd_intelmad *intelmaddata = - (struct snd_intelmad *)dev; - u8 interrupt_status; - struct mad_jack_msg_wq *mad_jack_msg; - memcpy_fromio(&interrupt_status, - ((void *)(intelmaddata->int_base)), - sizeof(u8)); - - mad_jack_msg = kzalloc(sizeof(*mad_jack_msg), GFP_ATOMIC); - mad_jack_msg->intsts = interrupt_status; - mad_jack_msg->intelmaddata = intelmaddata; - INIT_WORK(&mad_jack_msg->wq, sst_process_mad_jack_detection); - queue_work(intelmaddata->mad_jack_wq, &mad_jack_msg->wq); - - return IRQ_HANDLED; -} - -void sst_mad_send_jack_report(struct snd_jack *jack, - int buttonpressevent , int status) -{ - - if (!jack) { - pr_debug("MAD error jack empty\n"); - - } else { - snd_jack_report(jack, status); - /* button pressed and released */ - if (buttonpressevent) - snd_jack_report(jack, 0); - pr_debug("MAD sending jack report Done !!!\n"); - } -} - -static int __devinit snd_intelmad_register_irq( - struct snd_intelmad *intelmaddata, unsigned int regbase, - unsigned int regsize) -{ - int ret_val; - char *drv_name; - - pr_debug("irq reg regbase 0x%x, regsize 0x%x\n", - regbase, regsize); - intelmaddata->int_base = ioremap_nocache(regbase, regsize); - if (!intelmaddata->int_base) - pr_err("Mapping of cache failed\n"); - pr_debug("irq = 0x%x\n", intelmaddata->irq); - if (intelmaddata->cpu_id == CPU_CHIP_PENWELL) - drv_name = DRIVER_NAME_MFLD; - else - drv_name = DRIVER_NAME_MRST; - ret_val = request_irq(intelmaddata->irq, - snd_intelmad_intr_handler, - IRQF_SHARED, drv_name, - intelmaddata); - if (ret_val) - pr_err("cannot register IRQ\n"); - return ret_val; -} - -static int __devinit snd_intelmad_sst_register( - struct snd_intelmad *intelmaddata) -{ - int ret_val = 0; - struct snd_pmic_ops *intelmad_vendor_ops[MAX_VENDORS] = { - &snd_pmic_ops_fs, - &snd_pmic_ops_mx, - &snd_pmic_ops_nc, - &snd_msic_ops - }; - - struct sc_reg_access vendor_addr = {0x00, 0x00, 0x00}; - - if (intelmaddata->cpu_id == CPU_CHIP_LINCROFT) { - ret_val = sst_sc_reg_access(&vendor_addr, PMIC_READ, 1); - if (ret_val) - return ret_val; - sst_card_vendor_id = (vendor_addr.value & (MASK2|MASK1|MASK0)); - pr_debug("original n extrated vendor id = 0x%x %d\n", - vendor_addr.value, sst_card_vendor_id); - if (sst_card_vendor_id < 0 || sst_card_vendor_id > 2) { - pr_err("vendor card not supported!!\n"); - return -EIO; - } - } else - sst_card_vendor_id = 0x3; - - intelmaddata->sstdrv_ops->module_name = SST_CARD_NAMES; - intelmaddata->sstdrv_ops->vendor_id = sst_card_vendor_id; - BUG_ON(!intelmad_vendor_ops[sst_card_vendor_id]); - intelmaddata->sstdrv_ops->scard_ops = - intelmad_vendor_ops[sst_card_vendor_id]; - - if (intelmaddata->cpu_id == CPU_CHIP_PENWELL) { - intelmaddata->sstdrv_ops->scard_ops->pb_on = 0; - intelmaddata->sstdrv_ops->scard_ops->cap_on = 0; - intelmaddata->sstdrv_ops->scard_ops->input_dev_id = DMIC; - intelmaddata->sstdrv_ops->scard_ops->output_dev_id = - STEREO_HEADPHONE; - intelmaddata->sstdrv_ops->scard_ops->lineout_dev_id = NONE; - } - - /* registering with SST driver to get access to SST APIs to use */ - ret_val = register_sst_card(intelmaddata->sstdrv_ops); - if (ret_val) { - pr_err("sst card registration failed\n"); - return ret_val; - } - sst_card_vendor_id = intelmaddata->sstdrv_ops->vendor_id; - intelmaddata->pmic_status = PMIC_UNINIT; - return ret_val; -} - -static void snd_intelmad_page_free(struct snd_pcm *pcm) -{ - snd_pcm_lib_preallocate_free_for_all(pcm); -} -/* Driver Init/exit functionalities */ -/** - * snd_intelmad_pcm_new - to setup pcm for the card - * - * @card: pointer to the sound card structure - * @intelmaddata: pointer to internal context - * @pb: playback count for this card - * @cap: capture count for this card - * @index: device index - * - * This function is called from probe function to set up pcm params - * and functions - */ -static int __devinit snd_intelmad_pcm_new(struct snd_card *card, - struct snd_intelmad *intelmaddata, - unsigned int pb, unsigned int cap, unsigned int index) -{ - int ret_val = 0; - struct snd_pcm *pcm; - char name[32] = INTEL_MAD; - struct snd_pcm_ops *pb_ops = NULL, *cap_ops = NULL; - - pr_debug("called for pb %d, cp %d, idx %d\n", pb, cap, index); - ret_val = snd_pcm_new(card, name, index, pb, cap, &pcm); - if (ret_val) - return ret_val; - /* setup the ops for playback and capture streams */ - switch (index) { - case 0: - pb_ops = &snd_intelmad_headset_ops; - cap_ops = &snd_intelmad_capture_ops; - break; - case 1: - pb_ops = &snd_intelmad_ihf_ops; - cap_ops = &snd_intelmad_capture_ops; - break; - case 2: - pb_ops = &snd_intelmad_vibra_ops; - cap_ops = &snd_intelmad_capture_ops; - break; - case 3: - pb_ops = &snd_intelmad_haptic_ops; - cap_ops = &snd_intelmad_capture_ops; - break; - } - if (pb) - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, pb_ops); - if (cap) - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, cap_ops); - /* setup private data which can be retrieved when required */ - pcm->private_data = intelmaddata; - pcm->private_free = snd_intelmad_page_free; - pcm->info_flags = 0; - strncpy(pcm->name, card->shortname, strlen(card->shortname)); - /* allocate dma pages for ALSA stream operations */ - snd_pcm_lib_preallocate_pages_for_all(pcm, - SNDRV_DMA_TYPE_CONTINUOUS, - snd_dma_continuous_data(GFP_KERNEL), - MIN_BUFFER, MAX_BUFFER); - return ret_val; -} - -static int __devinit snd_intelmad_pcm(struct snd_card *card, - struct snd_intelmad *intelmaddata) -{ - int ret_val = 0; - - WARN_ON(!card); - WARN_ON(!intelmaddata); - pr_debug("snd_intelmad_pcm called\n"); - ret_val = snd_intelmad_pcm_new(card, intelmaddata, 1, 1, 0); - if (intelmaddata->cpu_id == CPU_CHIP_LINCROFT) - return ret_val; - ret_val = snd_intelmad_pcm_new(card, intelmaddata, 1, 0, 1); - if (ret_val) - return ret_val; - ret_val = snd_intelmad_pcm_new(card, intelmaddata, 1, 0, 2); - if (ret_val) - return ret_val; - return snd_intelmad_pcm_new(card, intelmaddata, 1, 0, 3); -} - -/** - * snd_intelmad_jack- to setup jack settings of the card - * - * @intelmaddata: pointer to internal context - * - * This function is called send jack events - */ -static int snd_intelmad_jack(struct snd_intelmad *intelmaddata) -{ - struct snd_jack *jack; - int retval; - - pr_debug("snd_intelmad_jack called\n"); - jack = &intelmaddata->jack[0].jack; - snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PHONE); - retval = snd_jack_new(intelmaddata->card, "Intel(R) MID Audio Jack", - SND_JACK_HEADPHONE | SND_JACK_HEADSET | - SW_JACK_PHYSICAL_INSERT | SND_JACK_BTN_0 - | SND_JACK_BTN_1, &jack); - pr_debug("snd_intelmad_jack called\n"); - if (retval < 0) - return retval; - snd_jack_report(jack, 0); - - jack->private_data = jack; - intelmaddata->jack[0].jack = *jack; - - return retval; -} - -/** - * snd_intelmad_mixer- to setup mixer settings of the card - * - * @intelmaddata: pointer to internal context - * - * This function is called from probe function to set up mixer controls - */ -static int __devinit snd_intelmad_mixer(struct snd_intelmad *intelmaddata) -{ - struct snd_card *card; - unsigned int idx; - int ret_val = 0, max_controls = 0; - char *mixername = "IntelMAD Controls"; - struct snd_kcontrol_new *controls; - - WARN_ON(!intelmaddata); - - card = intelmaddata->card; - strncpy(card->mixername, mixername, sizeof(card->mixername)-1); - /* add all widget controls and expose the same */ - if (intelmaddata->cpu_id == CPU_CHIP_PENWELL) { - max_controls = MAX_CTRL_MFLD; - controls = snd_intelmad_controls_mfld; - } else { - max_controls = MAX_CTRL_MRST; - controls = snd_intelmad_controls_mrst; - } - for (idx = 0; idx < max_controls; idx++) { - ret_val = snd_ctl_add(card, - snd_ctl_new1(&controls[idx], - intelmaddata)); - pr_debug("mixer[idx]=%d added\n", idx); - if (ret_val) { - pr_err("in adding of control index = %d\n", idx); - break; - } - } - return ret_val; -} - -static int snd_intelmad_dev_free(struct snd_device *device) -{ - struct snd_intelmad *intelmaddata; - - WARN_ON(!device); - - intelmaddata = device->device_data; - - pr_debug("snd_intelmad_dev_free called\n"); - unregister_sst_card(intelmaddata->sstdrv_ops); - - /* free allocated memory for internal context */ - destroy_workqueue(intelmaddata->mad_jack_wq); - device->device_data = NULL; - kfree(intelmaddata->sstdrv_ops); - kfree(intelmaddata); - - return 0; -} - -static int __devinit snd_intelmad_create( - struct snd_intelmad *intelmaddata, - struct snd_card *card) -{ - int ret_val; - static struct snd_device_ops ops = { - .dev_free = snd_intelmad_dev_free, - }; - - WARN_ON(!intelmaddata); - WARN_ON(!card); - /* ALSA api to register for the device */ - ret_val = snd_device_new(card, SNDRV_DEV_LOWLEVEL, intelmaddata, &ops); - return ret_val; -} - -/** -* snd_intelmad_probe- function registred for init -* @pdev : pointer to the device struture -* This function is called when the device is initialized -*/ -int __devinit snd_intelmad_probe(struct platform_device *pdev) -{ - struct snd_card *card; - int ret_val; - struct snd_intelmad *intelmaddata; - const struct platform_device_id *id = platform_get_device_id(pdev); - struct snd_intelmad_probe_info *info = (void *)id->driver_data; - - pr_debug("probe for %s cpu_id %d\n", pdev->name, info->cpu_id); - pr_debug("rq_chache %x of size %x\n", info->irq_cache, info->size); - if (!strcmp(pdev->name, DRIVER_NAME_MRST)) - pr_debug("detected MRST\n"); - else if (!strcmp(pdev->name, DRIVER_NAME_MFLD)) - pr_debug("detected MFLD\n"); - else { - pr_err("detected unknown device abort!!\n"); - return -EIO; - } - if ((info->cpu_id < CPU_CHIP_LINCROFT) || - (info->cpu_id > CPU_CHIP_PENWELL)) { - pr_err("detected unknown cpu_id abort!!\n"); - return -EIO; - } - /* allocate memory for saving internal context and working */ - intelmaddata = kzalloc(sizeof(*intelmaddata), GFP_KERNEL); - if (!intelmaddata) { - pr_debug("mem alloctn fail\n"); - return -ENOMEM; - } - intelmad_drv = intelmaddata; - - /* allocate memory for LPE API set */ - intelmaddata->sstdrv_ops = kzalloc(sizeof(struct intel_sst_card_ops), - GFP_KERNEL); - if (!intelmaddata->sstdrv_ops) { - pr_err("mem allocation for ops fail\n"); - kfree(intelmaddata); - return -ENOMEM; - } - - intelmaddata->cpu_id = info->cpu_id; - /* create a card instance with ALSA framework */ - ret_val = snd_card_create(card_index, card_id, THIS_MODULE, 0, &card); - if (ret_val) { - pr_err("snd_card_create fail\n"); - goto free_allocs; - } - - intelmaddata->pdev = pdev; - intelmaddata->irq = platform_get_irq(pdev, 0); - platform_set_drvdata(pdev, intelmaddata); - intelmaddata->card = card; - intelmaddata->card_id = card_id; - intelmaddata->card_index = card_index; - intelmaddata->master_mute = UNMUTE; - intelmaddata->playback_cnt = intelmaddata->capture_cnt = 0; - strncpy(card->driver, INTEL_MAD, strlen(INTEL_MAD)); - strncpy(card->shortname, INTEL_MAD, strlen(INTEL_MAD)); - - intelmaddata->sstdrv_ops->module_name = SST_CARD_NAMES; - /* registering with LPE driver to get access to SST APIs to use */ - ret_val = snd_intelmad_sst_register(intelmaddata); - if (ret_val) { - pr_err("snd_intelmad_sst_register failed\n"); - goto set_null_data; - } - - intelmaddata->pmic_status = PMIC_INIT; - - ret_val = snd_intelmad_pcm(card, intelmaddata); - if (ret_val) { - pr_err("snd_intelmad_pcm failed\n"); - goto free_sst; - } - - ret_val = snd_intelmad_mixer(intelmaddata); - if (ret_val) { - pr_err("snd_intelmad_mixer failed\n"); - goto free_card; - } - - ret_val = snd_intelmad_jack(intelmaddata); - if (ret_val) { - pr_err("snd_intelmad_jack failed\n"); - goto free_card; - } - intelmaddata->adc_address = mid_initialize_adc(); - - /*create work queue for jack interrupt*/ - INIT_WORK(&intelmaddata->mad_jack_msg.wq, - sst_process_mad_jack_detection); - - intelmaddata->mad_jack_wq = create_workqueue("sst_mad_jack_wq"); - if (!intelmaddata->mad_jack_wq) - goto free_card; - - ret_val = snd_intelmad_register_irq(intelmaddata, - info->irq_cache, info->size); - if (ret_val) { - pr_err("snd_intelmad_register_irq fail\n"); - goto free_mad_jack_wq; - } - - /* internal function call to register device with ALSA */ - ret_val = snd_intelmad_create(intelmaddata, card); - if (ret_val) { - pr_err("snd_intelmad_create failed\n"); - goto set_pvt_data; - } - card->private_data = &intelmaddata; - snd_card_set_dev(card, &pdev->dev); - ret_val = snd_card_register(card); - if (ret_val) { - pr_err("snd_card_register failed\n"); - goto set_pvt_data; - } - if (pdev->dev.platform_data) { - int gpio_amp = *(int *)pdev->dev.platform_data; - if (gpio_request_one(gpio_amp, GPIOF_OUT_INIT_LOW, "amp power")) - gpio_amp = 0; - intelmaddata->sstdrv_ops->scard_ops->gpio_amp = gpio_amp; - } - - pr_debug("snd_intelmad_probe complete\n"); - return ret_val; - -set_pvt_data: - card->private_data = NULL; -free_mad_jack_wq: - destroy_workqueue(intelmaddata->mad_jack_wq); -free_card: - snd_card_free(intelmaddata->card); -free_sst: - unregister_sst_card(intelmaddata->sstdrv_ops); -set_null_data: - platform_set_drvdata(pdev, NULL); -free_allocs: - pr_err("probe failed\n"); - snd_card_free(card); - kfree(intelmaddata->sstdrv_ops); - kfree(intelmaddata); - return ret_val; -} - - -static int snd_intelmad_remove(struct platform_device *pdev) -{ - struct snd_intelmad *intelmaddata = platform_get_drvdata(pdev); - - if (intelmaddata) { - if (intelmaddata->sstdrv_ops->scard_ops->gpio_amp) - gpio_free(intelmaddata->sstdrv_ops->scard_ops->gpio_amp); - free_irq(intelmaddata->irq, intelmaddata); - snd_card_free(intelmaddata->card); - } - intelmad_drv = NULL; - platform_set_drvdata(pdev, NULL); - return 0; -} - -/********************************************************************* - * Driver initialization and exit - *********************************************************************/ -static const struct platform_device_id snd_intelmad_ids[] = { - {DRIVER_NAME_MRST, INFO(CPU_CHIP_LINCROFT, AUDINT_BASE, 1)}, - {DRIVER_NAME_MFLD, INFO(CPU_CHIP_PENWELL, 0xFFFF7FCD, 1)}, - {"", 0}, - -}; - -static struct platform_driver snd_intelmad_driver = { - .driver = { - .owner = THIS_MODULE, - .name = "intel_mid_sound_card", - }, - .id_table = snd_intelmad_ids, - .probe = snd_intelmad_probe, - .remove = __devexit_p(snd_intelmad_remove), -}; - -/* - * alsa_card_intelmad_init- driver init function - * - * This function is called when driver module is inserted - */ -static int __init alsa_card_intelmad_init(void) -{ - pr_debug("mad_init called\n"); - return platform_driver_register(&snd_intelmad_driver); -} - -/** - * alsa_card_intelmad_exit- driver exit function - * - * This function is called when driver module is removed - */ -static void __exit alsa_card_intelmad_exit(void) -{ - pr_debug("mad_exit called\n"); - return platform_driver_unregister(&snd_intelmad_driver); -} - -module_init(alsa_card_intelmad_init) -module_exit(alsa_card_intelmad_exit) - |