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 platform 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 selected as o/p
  98  * @input_sel: device selected 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 #endif /* __INTELMID_H */