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 #include <sound/jack.h>
  32
  33 #define DRIVER_NAME_MFLD "msic_audio"
  34 #define DRIVER_NAME_MRST "pmic_audio"
  35 #define DRIVER_NAME "intelmid_audio"
  36 #define PMIC_SOUND_IRQ_TYPE_MASK (1 << 15)
  37 #define AUDINT_BASE (0xFFFFEFF8 + (6 * sizeof(u8)))
  38 #define REG_IRQ
  39 /* values #defined   */
  40 /* will differ for different hw - to be taken from config  */
  41 #define MAX_DEVICES             1
  42 #define MIN_RATE                8000
  43 #define MAX_RATE                48000
  44 #define MAX_BUFFER              (800*1024) /* for PCM */
  45 #define MIN_BUFFER              (800*1024)
  46 #define MAX_PERIODS             (1024*2)
  47 #define MIN_PERIODS             2
  48 #define MAX_PERIOD_BYTES MAX_BUFFER
  49 #define MIN_PERIOD_BYTES 32
  50 /*#define MIN_PERIOD_BYTES 160*/
  51 #define MAX_MUTE                1
  52 #define MIN_MUTE                0
  53 #define MONO_CNTL               1
  54 #define STEREO_CNTL             2
  55 #define MIN_CHANNEL             1
  56 #define MAX_CHANNEL_AMIC        2
  57 #define MAX_CHANNEL_DMIC        5
  58 #define FIFO_SIZE               0 /* fifo not being used */
  59 #define INTEL_MAD               "Intel MAD"
  60 #define MAX_CTRL_MRST           8
  61 #define MAX_CTRL_MFLD           7
  62 #define MAX_CTRL                8
  63 #define MAX_VENDORS             4
  64 /* TODO +6 db */
  65 #define MAX_VOL         64
  66 /* TODO -57 db */
  67 #define MIN_VOL         0
  68 #define PLAYBACK_COUNT  1
  69 #define CAPTURE_COUNT   1
  70 #define ADC_ONE_LSB_MULTIPLIER 2346
  71
  72 #define MID_JACK_HS_LONG_PRESS SND_JACK_BTN_0
  73 #define MID_JACK_HS_SHORT_PRESS SND_JACK_BTN_1
  74
  75 extern int      sst_card_vendor_id;
  76
  77 struct mad_jack {
  78         struct snd_jack jack;
  79         int jack_status;
  80         int jack_dev_state;
  81         struct timeval buttonpressed;
  82         struct timeval  buttonreleased;
  83 };
  84
  85 struct mad_jack_msg_wq {
  86         u8 intsts;
  87         struct snd_intelmad *intelmaddata;
  88         struct work_struct      wq;
  89
  90 };
  91
  92 struct snd_intelmad_probe_info {
  93         unsigned int cpu_id;
  94         unsigned int irq_cache;
  95         unsigned int size;
  96 };
  97
  98 /**
  99  * struct snd_intelmad - intelmad driver structure
 100  *
 101  * @card: ptr to the card details
 102  * @card_index: sound card index
 103  * @card_id: sound card id detected
 104  * @sstdrv_ops: ptr to sst driver ops
 105  * @pdev: ptr to platform device
 106  * @irq: interrupt number detected
 107  * @pmic_status: Device status of sound card
 108  * @int_base: ptr to MMIO interrupt region
 109  * @output_sel: device selected as o/p
 110  * @input_sel: device selected as i/p
 111  * @master_mute: master mute status
 112  * @jack: jack status
 113  * @playback_cnt: active pb streams
 114  * @capture_cnt: active cp streams
 115  * @mad_jack_msg: wq struct for jack interrupt processing
 116  * @mad_jack_wq: wq for jack interrupt processing
 117  * @jack_prev_state: Previos state of jack detected
 118  * @cpu_id: current cpu id loaded for
 119  */
 120 struct snd_intelmad {
 121         struct snd_card *card; /* ptr to the card details */
 122         int             card_index;/*  card index  */
 123         char            *card_id; /* card id */
 124         struct intel_sst_card_ops *sstdrv_ops;/* ptr to sst driver ops */
 125         struct platform_device *pdev;
 126         int irq;
 127         int pmic_status;
 128         void __iomem *int_base;
 129         int output_sel;
 130         int input_sel;
 131         int lineout_sel;
 132         int master_mute;
 133         struct mad_jack jack[4];
 134         int playback_cnt;
 135         int capture_cnt;
 136         u16 adc_address;
 137         struct mad_jack_msg_wq  mad_jack_msg;
 138         struct workqueue_struct *mad_jack_wq;
 139         u8 jack_prev_state;
 140         unsigned int cpu_id;
 141 };
 142
 143 struct snd_control_val {
 144         int     playback_vol_max;
 145         int     playback_vol_min;
 146         int     capture_vol_max;
 147         int     capture_vol_min;
 148         int     master_vol_max;
 149         int     master_vol_min;
 150 };
 151
 152 struct mad_stream_pvt {
 153         int                     stream_status;
 154         int                     stream_ops;
 155         struct snd_pcm_substream *substream;
 156         struct pcm_stream_info stream_info;
 157         ssize_t         dbg_cum_bytes;
 158         enum snd_sst_device_type device;
 159 };
 160
 161 enum mad_drv_status {
 162     INIT = 1,
 163     STARTED,
 164     RUNNING,
 165     PAUSED,
 166     DROPPED,
 167 };
 168
 169 enum mad_pmic_status {
 170         PMIC_UNINIT = 1,
 171         PMIC_INIT,
 172 };
 173 enum _widget_ctrl {
 174         OUTPUT_SEL = 1,
 175         INPUT_SEL,
 176         PLAYBACK_VOL,
 177         PLAYBACK_MUTE,
 178         CAPTURE_VOL,
 179         CAPTURE_MUTE,
 180         MASTER_VOL,
 181         MASTER_MUTE
 182 };
 183 enum _widget_ctrl_mfld {
 184         LINEOUT_SEL_MFLD = 3,
 185 };
 186 enum hw_chs {
 187         HW_CH0 = 0,
 188         HW_CH1,
 189         HW_CH2,
 190         HW_CH3
 191 };
 192
 193 void period_elapsed(void *mad_substream);
 194 int snd_intelmad_alloc_stream(struct snd_pcm_substream *substream);
 195 int snd_intelmad_init_stream(struct snd_pcm_substream *substream);
 196
 197 int sst_sc_reg_access(struct sc_reg_access *sc_access,
 198                                         int type, int num_val);
 199 #define CPU_CHIP_LINCROFT       1 /* System running lincroft */
 200 #define CPU_CHIP_PENWELL        2 /* System running penwell */
 201
 202 extern struct snd_control_val intelmad_ctrl_val[];
 203 extern struct snd_kcontrol_new snd_intelmad_controls_mrst[];
 204 extern struct snd_kcontrol_new snd_intelmad_controls_mfld[];
 205 extern struct snd_pmic_ops *intelmad_vendor_ops[];
 206 void sst_mad_send_jack_report(struct snd_jack *jack,
 207                         int buttonpressevent , int status);
 208
 209 #endif /* __INTELMID_H */