drivers/staging/intel_sst/intelmid.h

   1 /*
   2  *  intelmid.h - Intel Sound card driver for MID
   3  *
   4  *  Copyright (C) 2008-10 Intel Corp
   5  *  Authors:    Harsha Priya <priya.harsha@intel.com>
   6  *              Vinod Koul <vinod.koul@intel.com>
   7  *              Dharageswari R <dharageswari.r@intel.com>
   8  *              KP Jeeja <jeeja.kp@intel.com>
   9  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License as published by
  13  *  the Free Software Foundation version 2 of the License.
  14  *
  15  *  This program is distributed in the hope that it will be useful, but
  16  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  *  General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License along
  21  *  with this program; if not, write to the Free Software Foundation, Inc.,
  22  *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  23  *
  24  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  25  *  ALSA driver header for Intel MAD chipset
  26  */
  27 #ifndef __INTELMID_H
  28 #define __INTELMID_H
  29
  30 #include <linux/time.h>
  31
  32 #define DRIVER_NAME_MFLD "msic_audio"
  33 #define DRIVER_NAME_MRST "pmic_audio"
  34 #define DRIVER_NAME "intelmid_audio"
  35 #define PMIC_SOUND_IRQ_TYPE_MASK (1 << 15)
  36 #define AUDINT_BASE (0xFFFFEFF8 + (6 * sizeof(u8)))
  37 #define REG_IRQ
  38 /* values #defined   */
  39 /* will differ for different hw - to be taken from config  */
  40 #define MAX_DEVICES             1
  41 #define MIN_RATE                8000
  42 #define MAX_RATE                48000
  43 #define MAX_BUFFER              (800*1024) /* for PCM */
  44 #define MIN_BUFFER              (800*1024)
  45 #define MAX_PERIODS             (1024*2)
  46 #define MIN_PERIODS             1
  47 #define MAX_PERIOD_BYTES MAX_BUFFER
  48 #define MIN_PERIOD_BYTES 32
  49 /*#define MIN_PERIOD_BYTES 160*/
  50 #define MAX_MUTE                1
  51 #define MIN_MUTE                0
  52 #define MONO_CNTL               1
  53 #define STEREO_CNTL             2
  54 #define MIN_CHANNEL             1
  55 #define MAX_CHANNEL_AMIC        2
  56 #define MAX_CHANNEL_DMIC        4
  57 #define FIFO_SIZE               0 /* fifo not being used */
  58 #define INTEL_MAD               "Intel MAD"
  59 #define MAX_CTRL_MRST           7
  60 #define MAX_CTRL_MFLD           2
  61 #define MAX_CTRL                7
  62 #define MAX_VENDORS             4
  63 /* TODO +6 db */
  64 #define MAX_VOL         64
  65 /* TODO -57 db */
  66 #define MIN_VOL         0
  67 #define PLAYBACK_COUNT  1
  68 #define CAPTURE_COUNT   1
  69
  70 extern int      sst_card_vendor_id;
  71
  72 struct mad_jack {
  73         struct snd_jack jack;
  74         int jack_status;
  75         struct timeval buttonpressed;
  76         struct timeval  buttonreleased;
  77 };
  78
  79 struct mad_jack_msg_wq {
  80         u8 intsts;
  81         struct snd_intelmad *intelmaddata;
  82         struct work_struct      wq;
  83
  84 };
  85
  86 /**
  87  * struct snd_intelmad - intelmad driver structure
  88  *
  89  * @card: ptr to the card details
  90  * @card_index: sound card index
  91  * @card_id: sound card id detected
  92  * @sstdrv_ops: ptr to sst driver ops
  93  * @pdev: ptr to platfrom device
  94  * @irq: interrupt number detected
  95  * @pmic_status: Device status of sound card
  96  * @int_base: ptr to MMIO interrupt region
  97  * @output_sel: device slected as o/p
  98  * @input_sel: device slected as i/p
  99  * @master_mute: master mute status
 100  * @jack: jack status
 101  * @playback_cnt: active pb streams
 102  * @capture_cnt: active cp streams
 103  * @mad_jack_msg: wq struct for jack interrupt processing
 104  * @mad_jack_wq: wq for jack interrupt processing
 105  * @jack_prev_state: Previos state of jack detected
 106  * @cpu_id: current cpu id loaded for
 107  */
 108 struct snd_intelmad {
 109         struct snd_card *card; /* ptr to the card details */
 110         int             card_index;/*  card index  */
 111         char            *card_id; /* card id */
 112         struct intel_sst_card_ops *sstdrv_ops;/* ptr to sst driver ops */
 113         struct platform_device *pdev;
 114         int irq;
 115         int pmic_status;
 116         void __iomem *int_base;
 117         int output_sel;
 118         int input_sel;
 119         int master_mute;
 120         struct mad_jack jack[4];
 121         int playback_cnt;
 122         int capture_cnt;
 123         struct mad_jack_msg_wq  mad_jack_msg;
 124         struct workqueue_struct *mad_jack_wq;
 125         u8 jack_prev_state;
 126         unsigned int cpu_id;
 127 };
 128
 129 struct snd_control_val {
 130         int     playback_vol_max;
 131         int     playback_vol_min;
 132         int     capture_vol_max;
 133         int     capture_vol_min;
 134 };
 135
 136 struct mad_stream_pvt {
 137         int                     stream_status;
 138         int                     stream_ops;
 139         struct snd_pcm_substream *substream;
 140         struct pcm_stream_info stream_info;
 141         ssize_t         dbg_cum_bytes;
 142         enum snd_sst_device_type device;
 143 };
 144
 145 enum mad_drv_status {
 146     INIT = 1,
 147     STARTED,
 148     RUNNING,
 149     PAUSED,
 150     DROPPED,
 151 };
 152
 153 enum mad_pmic_status {
 154         PMIC_UNINIT = 1,
 155         PMIC_INIT,
 156 };
 157 enum _widget_ctrl {
 158         OUTPUT_SEL = 1,
 159         INPUT_SEL,
 160         PLAYBACK_VOL,
 161         PLAYBACK_MUTE,
 162         CAPTURE_VOL,
 163         CAPTURE_MUTE,
 164         MASTER_MUTE
 165 };
 166
 167 void period_elapsed(void *mad_substream);
 168 int snd_intelmad_alloc_stream(struct snd_pcm_substream *substream);
 169 int snd_intelmad_init_stream(struct snd_pcm_substream *substream);
 170
 171 int sst_sc_reg_access(struct sc_reg_access *sc_access,
 172                                         int type, int num_val);
 173 #define CPU_CHIP_LINCROFT       1 /* System running lincroft */
 174 #define CPU_CHIP_PENWELL        2 /* System running penwell */
 175
 176 extern struct snd_control_val intelmad_ctrl_val[];
 177 extern struct snd_kcontrol_new snd_intelmad_controls_mrst[];
 178 extern struct snd_kcontrol_new snd_intelmad_controls_mfld[];
 179 extern struct snd_pmic_ops *intelmad_vendor_ops[];
 180
 181 /* This is an enabler hook as the platform detection logic isn't yet
 182    present and depends on some firmware and DMI support to detect AAVA
 183    devices. It will vanish once the AAVA platform support is merged */
 184 #define is_aava()       0
 185
 186 #endif /* __INTELMID_H */