diff options
Diffstat (limited to 'drivers/staging/intel_sst/intelmid_pvt.c')
| -rw-r--r-- | drivers/staging/intel_sst/intelmid_pvt.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/drivers/staging/intel_sst/intelmid_pvt.c b/drivers/staging/intel_sst/intelmid_pvt.c deleted file mode 100644 index 90e0e64c0ab0..000000000000 --- a/drivers/staging/intel_sst/intelmid_pvt.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * intelmid_pvt.h - 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> - * 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 - holding private functions - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/io.h> -#include <asm/intel_scu_ipc.h> -#include <sound/core.h> -#include <sound/control.h> -#include <sound/pcm.h> -#include "intel_sst.h" -#include "intel_sst_ioctl.h" -#include "intelmid_snd_control.h" -#include "intelmid.h" - - -void period_elapsed(void *mad_substream) -{ - struct snd_pcm_substream *substream = mad_substream; - struct mad_stream_pvt *stream; - - - - if (!substream || !substream->runtime) - return; - stream = substream->runtime->private_data; - if (!stream) - return; - - if (stream->stream_status != RUNNING) - return; - pr_debug("calling period elapsed\n"); - snd_pcm_period_elapsed(substream); - return; -} - - -int snd_intelmad_alloc_stream(struct snd_pcm_substream *substream) -{ - struct snd_intelmad *intelmaddata = snd_pcm_substream_chip(substream); - struct mad_stream_pvt *stream = substream->runtime->private_data; - struct snd_sst_stream_params param = {{{0,},},}; - struct snd_sst_params str_params = {0}; - int ret_val; - - /* set codec params and inform SST driver the same */ - - param.uc.pcm_params.codec = SST_CODEC_TYPE_PCM; - param.uc.pcm_params.num_chan = (u8) substream->runtime->channels; - param.uc.pcm_params.pcm_wd_sz = substream->runtime->sample_bits; - param.uc.pcm_params.reserved = 0; - param.uc.pcm_params.sfreq = substream->runtime->rate; - param.uc.pcm_params.ring_buffer_size = - snd_pcm_lib_buffer_bytes(substream); - param.uc.pcm_params.period_count = substream->runtime->period_size; - param.uc.pcm_params.ring_buffer_addr = - virt_to_phys(substream->runtime->dma_area); - pr_debug("period_cnt = %d\n", param.uc.pcm_params.period_count); - pr_debug("sfreq= %d, wd_sz = %d\n", - param.uc.pcm_params.sfreq, param.uc.pcm_params.pcm_wd_sz); - - str_params.sparams = param; - str_params.codec = SST_CODEC_TYPE_PCM; - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - str_params.ops = STREAM_OPS_PLAYBACK; - pr_debug("Playbck stream,Device %d\n", stream->device); - } else { - str_params.ops = STREAM_OPS_CAPTURE; - stream->device = SND_SST_DEVICE_CAPTURE; - pr_debug("Capture stream,Device %d\n", stream->device); - } - str_params.device_type = stream->device; - ret_val = intelmaddata->sstdrv_ops->pcm_control->open(&str_params); - pr_debug("sst: SST_SND_PLAY/CAPTURE ret_val = %x\n", ret_val); - if (ret_val < 0) - return ret_val; - - stream->stream_info.str_id = ret_val; - stream->stream_status = INIT; - stream->stream_info.buffer_ptr = 0; - pr_debug("str id : %d\n", stream->stream_info.str_id); - - return ret_val; -} - -int snd_intelmad_init_stream(struct snd_pcm_substream *substream) -{ - struct mad_stream_pvt *stream = substream->runtime->private_data; - struct snd_intelmad *intelmaddata = snd_pcm_substream_chip(substream); - int ret_val; - - pr_debug("setting buffer ptr param\n"); - stream->stream_info.period_elapsed = period_elapsed; - stream->stream_info.mad_substream = substream; - stream->stream_info.buffer_ptr = 0; - stream->stream_info.sfreq = substream->runtime->rate; - ret_val = intelmaddata->sstdrv_ops->pcm_control->device_control( - SST_SND_STREAM_INIT, &stream->stream_info); - if (ret_val) - pr_err("control_set ret error %d\n", ret_val); - return ret_val; - -} - - -/** - * sst_sc_reg_access - IPC read/write wrapper - * - * @sc_access: array of data, addresses and mask - * @type: operation type - * @num_val: number of reg to opertae on - * - * Reads/writes/read-modify operations on registers accessed through SCU (sound - * card and few SST DSP regsisters that are not accissible to IA) - */ -int sst_sc_reg_access(struct sc_reg_access *sc_access, - int type, int num_val) -{ - int i, retval = 0; - if (type == PMIC_WRITE) { - for (i = 0; i < num_val; i++) { - retval = intel_scu_ipc_iowrite8(sc_access[i].reg_addr, - sc_access[i].value); - if (retval) - goto err; - } - } else if (type == PMIC_READ) { - for (i = 0; i < num_val; i++) { - retval = intel_scu_ipc_ioread8(sc_access[i].reg_addr, - &(sc_access[i].value)); - if (retval) - goto err; - } - } else { - for (i = 0; i < num_val; i++) { - retval = intel_scu_ipc_update_register( - sc_access[i].reg_addr, sc_access[i].value, - sc_access[i].mask); - if (retval) - goto err; - } - } - return 0; -err: - pr_err("IPC failed for cmd %d, %d\n", retval, type); - pr_err("reg:0x%2x addr:0x%2x\n", - sc_access[i].reg_addr, sc_access[i].value); - return retval; -} |