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TOMOYO Linux Cross Reference
Linux/include/sound/wss.h

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  1 #ifndef __SOUND_WSS_H
  2 #define __SOUND_WSS_H
  3 
  4 /*
  5  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
  6  *  Definitions for CS4231 & InterWave chips & compatible chips
  7  *
  8  *
  9  *   This program is free software; you can redistribute it and/or modify
 10  *   it under the terms of the GNU General Public License as published by
 11  *   the Free Software Foundation; either version 2 of the License, or
 12  *   (at your option) any later version.
 13  *
 14  *   This program is distributed in the hope that it will be useful,
 15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 17  *   GNU General Public License for more details.
 18  *
 19  *   You should have received a copy of the GNU General Public License
 20  *   along with this program; if not, write to the Free Software
 21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 22  *
 23  */
 24 
 25 #include "control.h"
 26 #include "pcm.h"
 27 #include "timer.h"
 28 
 29 #include "cs4231-regs.h"
 30 
 31 /* defines for codec.mode */
 32 
 33 #define WSS_MODE_NONE   0x0000
 34 #define WSS_MODE_PLAY   0x0001
 35 #define WSS_MODE_RECORD 0x0002
 36 #define WSS_MODE_TIMER  0x0004
 37 #define WSS_MODE_OPEN   (WSS_MODE_PLAY|WSS_MODE_RECORD|WSS_MODE_TIMER)
 38 
 39 /* defines for codec.hardware */
 40 
 41 #define WSS_HW_DETECT        0x0000     /* let CS4231 driver detect chip */
 42 #define WSS_HW_DETECT3  0x0001  /* allow mode 3 */
 43 #define WSS_HW_TYPE_MASK        0xff00  /* type mask */
 44 #define WSS_HW_CS4231_MASK   0x0100     /* CS4231 serie */
 45 #define WSS_HW_CS4231        0x0100     /* CS4231 chip */
 46 #define WSS_HW_CS4231A       0x0101     /* CS4231A chip */
 47 #define WSS_HW_AD1845   0x0102  /* AD1845 chip */
 48 #define WSS_HW_CS4232_MASK   0x0200     /* CS4232 serie (has control ports) */
 49 #define WSS_HW_CS4232        0x0200     /* CS4232 */
 50 #define WSS_HW_CS4232A       0x0201     /* CS4232A */
 51 #define WSS_HW_CS4236   0x0202  /* CS4236 */
 52 #define WSS_HW_CS4236B_MASK     0x0400  /* CS4236B serie (has extended control regs) */
 53 #define WSS_HW_CS4235   0x0400  /* CS4235 - Crystal Clear (tm) stereo enhancement */
 54 #define WSS_HW_CS4236B       0x0401     /* CS4236B */
 55 #define WSS_HW_CS4237B       0x0402     /* CS4237B - SRS 3D */
 56 #define WSS_HW_CS4238B  0x0403  /* CS4238B - QSOUND 3D */
 57 #define WSS_HW_CS4239   0x0404  /* CS4239 - Crystal Clear (tm) stereo enhancement */
 58 #define WSS_HW_AD1848_MASK      0x0800  /* AD1848 serie (half duplex) */
 59 #define WSS_HW_AD1847           0x0801  /* AD1847 chip */
 60 #define WSS_HW_AD1848           0x0802  /* AD1848 chip */
 61 #define WSS_HW_CS4248           0x0803  /* CS4248 chip */
 62 #define WSS_HW_CMI8330          0x0804  /* CMI8330 chip */
 63 #define WSS_HW_THINKPAD         0x0805  /* Thinkpad 360/750/755 */
 64 /* compatible, but clones */
 65 #define WSS_HW_INTERWAVE     0x1000     /* InterWave chip */
 66 #define WSS_HW_OPL3SA2       0x1101     /* OPL3-SA2 chip, similar to cs4231 */
 67 #define WSS_HW_OPTI93X  0x1102  /* Opti 930/931/933 */
 68 
 69 /* defines for codec.hwshare */
 70 #define WSS_HWSHARE_IRQ (1<<0)
 71 #define WSS_HWSHARE_DMA1        (1<<1)
 72 #define WSS_HWSHARE_DMA2        (1<<2)
 73 
 74 /* IBM Thinkpad specific stuff */
 75 #define AD1848_THINKPAD_CTL_PORT1               0x15e8
 76 #define AD1848_THINKPAD_CTL_PORT2               0x15e9
 77 #define AD1848_THINKPAD_CS4248_ENABLE_BIT       0x02
 78 
 79 struct snd_wss {
 80         unsigned long port;             /* base i/o port */
 81         struct resource *res_port;
 82         unsigned long cport;            /* control base i/o port (CS4236) */
 83         struct resource *res_cport;
 84         int irq;                        /* IRQ line */
 85         int dma1;                       /* playback DMA */
 86         int dma2;                       /* record DMA */
 87         unsigned short version;         /* version of CODEC chip */
 88         unsigned short mode;            /* see to WSS_MODE_XXXX */
 89         unsigned short hardware;        /* see to WSS_HW_XXXX */
 90         unsigned short hwshare;         /* shared resources */
 91         unsigned short single_dma:1,    /* forced single DMA mode (GUS 16-bit */
 92                                         /* daughter board) or dma1 == dma2 */
 93                        ebus_flag:1,     /* SPARC: EBUS present */
 94                        thinkpad_flag:1; /* Thinkpad CS4248 needs extra help */
 95 
 96         struct snd_card *card;
 97         struct snd_pcm *pcm;
 98         struct snd_pcm_substream *playback_substream;
 99         struct snd_pcm_substream *capture_substream;
100         struct snd_timer *timer;
101 
102         unsigned char image[32];        /* registers image */
103         unsigned char eimage[32];       /* extended registers image */
104         unsigned char cimage[16];       /* control registers image */
105         int mce_bit;
106         int calibrate_mute;
107         int sw_3d_bit;
108         unsigned int p_dma_size;
109         unsigned int c_dma_size;
110 
111         spinlock_t reg_lock;
112         struct mutex mce_mutex;
113         struct mutex open_mutex;
114 
115         int (*rate_constraint) (struct snd_pcm_runtime *runtime);
116         void (*set_playback_format) (struct snd_wss *chip,
117                                      struct snd_pcm_hw_params *hw_params,
118                                      unsigned char pdfr);
119         void (*set_capture_format) (struct snd_wss *chip,
120                                     struct snd_pcm_hw_params *hw_params,
121                                     unsigned char cdfr);
122         void (*trigger) (struct snd_wss *chip, unsigned int what, int start);
123 #ifdef CONFIG_PM
124         void (*suspend) (struct snd_wss *chip);
125         void (*resume) (struct snd_wss *chip);
126 #endif
127         void *dma_private_data;
128         int (*claim_dma) (struct snd_wss *chip,
129                           void *dma_private_data, int dma);
130         int (*release_dma) (struct snd_wss *chip,
131                             void *dma_private_data, int dma);
132 };
133 
134 /* exported functions */
135 
136 void snd_wss_out(struct snd_wss *chip, unsigned char reg, unsigned char val);
137 unsigned char snd_wss_in(struct snd_wss *chip, unsigned char reg);
138 void snd_cs4236_ext_out(struct snd_wss *chip,
139                         unsigned char reg, unsigned char val);
140 unsigned char snd_cs4236_ext_in(struct snd_wss *chip, unsigned char reg);
141 void snd_wss_mce_up(struct snd_wss *chip);
142 void snd_wss_mce_down(struct snd_wss *chip);
143 
144 void snd_wss_overrange(struct snd_wss *chip);
145 
146 irqreturn_t snd_wss_interrupt(int irq, void *dev_id);
147 
148 const char *snd_wss_chip_id(struct snd_wss *chip);
149 
150 int snd_wss_create(struct snd_card *card,
151                       unsigned long port,
152                       unsigned long cport,
153                       int irq, int dma1, int dma2,
154                       unsigned short hardware,
155                       unsigned short hwshare,
156                       struct snd_wss **rchip);
157 int snd_wss_free(struct snd_wss *chip);
158 int snd_wss_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm);
159 int snd_wss_timer(struct snd_wss *chip, int device, struct snd_timer **rtimer);
160 int snd_wss_mixer(struct snd_wss *chip);
161 
162 const struct snd_pcm_ops *snd_wss_get_pcm_ops(int direction);
163 
164 int snd_cs4236_create(struct snd_card *card,
165                       unsigned long port,
166                       unsigned long cport,
167                       int irq, int dma1, int dma2,
168                       unsigned short hardware,
169                       unsigned short hwshare,
170                       struct snd_wss **rchip);
171 int snd_cs4236_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm);
172 int snd_cs4236_mixer(struct snd_wss *chip);
173 
174 /*
175  *  mixer library
176  */
177 
178 #define WSS_SINGLE(xname, xindex, reg, shift, mask, invert) \
179 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
180   .name = xname, \
181   .index = xindex, \
182   .info = snd_wss_info_single, \
183   .get = snd_wss_get_single, \
184   .put = snd_wss_put_single, \
185   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
186 
187 int snd_wss_info_single(struct snd_kcontrol *kcontrol,
188                         struct snd_ctl_elem_info *uinfo);
189 int snd_wss_get_single(struct snd_kcontrol *kcontrol,
190                         struct snd_ctl_elem_value *ucontrol);
191 int snd_wss_put_single(struct snd_kcontrol *kcontrol,
192                         struct snd_ctl_elem_value *ucontrol);
193 
194 #define WSS_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
195 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
196   .name = xname, \
197   .index = xindex, \
198   .info = snd_wss_info_double, \
199   .get = snd_wss_get_double, \
200   .put = snd_wss_put_double, \
201   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \
202                    (shift_right << 19) | (mask << 24) | (invert << 22) }
203 
204 #define WSS_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
205 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
206   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
207   .name = xname, \
208   .index = xindex, \
209   .info = snd_wss_info_single, \
210   .get = snd_wss_get_single, \
211   .put = snd_wss_put_single, \
212   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
213   .tlv = { .p = (xtlv) } }
214 
215 #define WSS_DOUBLE_TLV(xname, xindex, left_reg, right_reg, \
216                         shift_left, shift_right, mask, invert, xtlv) \
217 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
218   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
219   .name = xname, \
220   .index = xindex, \
221   .info = snd_wss_info_double, \
222   .get = snd_wss_get_double, \
223   .put = snd_wss_put_double, \
224   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \
225                    (shift_right << 19) | (mask << 24) | (invert << 22), \
226   .tlv = { .p = (xtlv) } }
227 
228 
229 int snd_wss_info_double(struct snd_kcontrol *kcontrol,
230                         struct snd_ctl_elem_info *uinfo);
231 int snd_wss_get_double(struct snd_kcontrol *kcontrol,
232                         struct snd_ctl_elem_value *ucontrol);
233 int snd_wss_put_double(struct snd_kcontrol *kcontrol,
234                         struct snd_ctl_elem_value *ucontrol);
235 
236 #endif /* __SOUND_WSS_H */
237 

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