diff options
Diffstat (limited to 'drivers/staging/intel_sst/intelmid.h')
| -rw-r--r-- | drivers/staging/intel_sst/intelmid.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/drivers/staging/intel_sst/intelmid.h b/drivers/staging/intel_sst/intelmid.h new file mode 100644 index 0000000..81e7448 --- /dev/null +++ b/drivers/staging/intel_sst/intelmid.h @@ -0,0 +1,186 @@ +/* + * intelmid.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> + * 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 header for Intel MAD chipset + */ +#ifndef __INTELMID_H +#define __INTELMID_H + +#include <linux/time.h> + +#define DRIVER_NAME_MFLD "msic_audio" +#define DRIVER_NAME_MRST "pmic_audio" +#define DRIVER_NAME "intelmid_audio" +#define PMIC_SOUND_IRQ_TYPE_MASK (1 << 15) +#define AUDINT_BASE (0xFFFFEFF8 + (6 * sizeof(u8))) +#define REG_IRQ +/* values #defined */ +/* will differ for different hw - to be taken from config */ +#define MAX_DEVICES 1 +#define MIN_RATE 8000 +#define MAX_RATE 48000 +#define MAX_BUFFER (800*1024) /* for PCM */ +#define MIN_BUFFER (800*1024) +#define MAX_PERIODS (1024*2) +#define MIN_PERIODS 1 +#define MAX_PERIOD_BYTES MAX_BUFFER +#define MIN_PERIOD_BYTES 32 +/*#define MIN_PERIOD_BYTES 160*/ +#define MAX_MUTE 1 +#define MIN_MUTE 0 +#define MONO_CNTL 1 +#define STEREO_CNTL 2 +#define MIN_CHANNEL 1 +#define MAX_CHANNEL_AMIC 2 +#define MAX_CHANNEL_DMIC 4 +#define FIFO_SIZE 0 /* fifo not being used */ +#define INTEL_MAD "Intel MAD" +#define MAX_CTRL_MRST 7 +#define MAX_CTRL_MFLD 2 +#define MAX_CTRL 7 +#define MAX_VENDORS 4 +/* TODO +6 db */ +#define MAX_VOL 64 +/* TODO -57 db */ +#define MIN_VOL 0 +#define PLAYBACK_COUNT 1 +#define CAPTURE_COUNT 1 + +extern int sst_card_vendor_id; + +struct mad_jack { + struct snd_jack jack; + int jack_status; + struct timeval buttonpressed; + struct timeval buttonreleased; +}; + +struct mad_jack_msg_wq { + u8 intsts; + struct snd_intelmad *intelmaddata; + struct work_struct wq; + +}; + +/** + * struct snd_intelmad - intelmad driver structure + * + * @card: ptr to the card details + * @card_index: sound card index + * @card_id: sound card id detected + * @sstdrv_ops: ptr to sst driver ops + * @pdev: ptr to platfrom device + * @irq: interrupt number detected + * @pmic_status: Device status of sound card + * @int_base: ptr to MMIO interrupt region + * @output_sel: device slected as o/p + * @input_sel: device slected as i/p + * @master_mute: master mute status + * @jack: jack status + * @playback_cnt: active pb streams + * @capture_cnt: active cp streams + * @mad_jack_msg: wq struct for jack interrupt processing + * @mad_jack_wq: wq for jack interrupt processing + * @jack_prev_state: Previos state of jack detected + * @cpu_id: current cpu id loaded for + */ +struct snd_intelmad { + struct snd_card *card; /* ptr to the card details */ + int card_index;/* card index */ + char *card_id; /* card id */ + struct intel_sst_card_ops *sstdrv_ops;/* ptr to sst driver ops */ + struct platform_device *pdev; + int irq; + int pmic_status; + void __iomem *int_base; + int output_sel; + int input_sel; + int master_mute; + struct mad_jack jack[4]; + int playback_cnt; + int capture_cnt; + struct mad_jack_msg_wq mad_jack_msg; + struct workqueue_struct *mad_jack_wq; + u8 jack_prev_state; + unsigned int cpu_id; +}; + +struct snd_control_val { + int playback_vol_max; + int playback_vol_min; + int capture_vol_max; + int capture_vol_min; +}; + +struct mad_stream_pvt { + int stream_status; + int stream_ops; + struct snd_pcm_substream *substream; + struct pcm_stream_info stream_info; + ssize_t dbg_cum_bytes; + enum snd_sst_device_type device; +}; + +enum mad_drv_status { + INIT = 1, + STARTED, + RUNNING, + PAUSED, + DROPPED, +}; + +enum mad_pmic_status { + PMIC_UNINIT = 1, + PMIC_INIT, +}; +enum _widget_ctrl { + OUTPUT_SEL = 1, + INPUT_SEL, + PLAYBACK_VOL, + PLAYBACK_MUTE, + CAPTURE_VOL, + CAPTURE_MUTE, + MASTER_MUTE +}; + +void period_elapsed(void *mad_substream); +int snd_intelmad_alloc_stream(struct snd_pcm_substream *substream); +int snd_intelmad_init_stream(struct snd_pcm_substream *substream); + +int sst_sc_reg_access(struct sc_reg_access *sc_access, + int type, int num_val); +#define CPU_CHIP_LINCROFT 1 /* System running lincroft */ +#define CPU_CHIP_PENWELL 2 /* System running penwell */ + +extern struct snd_control_val intelmad_ctrl_val[]; +extern struct snd_kcontrol_new snd_intelmad_controls_mrst[]; +extern struct snd_kcontrol_new snd_intelmad_controls_mfld[]; +extern struct snd_pmic_ops *intelmad_vendor_ops[]; + +/* This is an enabler hook as the platform detection logic isn't yet + present and depends on some firmware and DMI support to detect AAVA + devices. It will vanish once the AAVA platform support is merged */ +#define is_aava() 0 + +#endif /* __INTELMID_H */ |
