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      1 #ifndef __SOUND_SB_H
      2 #define __SOUND_SB_H
      3 
      4 /*
      5  *  Header file for SoundBlaster cards
      6  *  Copyright (c) by Jaroslav Kysela <perex (at) perex.cz>
      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 "pcm.h"
     26 #include "rawmidi.h"
     27 #include <linux/interrupt.h>
     28 #include <asm/io.h>
     29 
     30 enum sb_hw_type {
     31 	SB_HW_AUTO,
     32 	SB_HW_10,
     33 	SB_HW_20,
     34 	SB_HW_201,
     35 	SB_HW_PRO,
     36 	SB_HW_16,
     37 	SB_HW_16CSP,		/* SB16 with CSP chip */
     38 	SB_HW_ALS100,		/* Avance Logic ALS100 chip */
     39 	SB_HW_ALS4000,		/* Avance Logic ALS4000 chip */
     40 	SB_HW_DT019X,		/* Diamond Tech. DT-019X / Avance Logic ALS-007 */
     41 	SB_HW_CS5530,		/* Cyrix/NatSemi 5530 VSA1 */
     42 };
     43 
     44 #define SB_OPEN_PCM			0x01
     45 #define SB_OPEN_MIDI_INPUT		0x02
     46 #define SB_OPEN_MIDI_OUTPUT		0x04
     47 #define SB_OPEN_MIDI_INPUT_TRIGGER	0x08
     48 #define SB_OPEN_MIDI_OUTPUT_TRIGGER	0x10
     49 
     50 #define SB_MODE_HALT		0x00
     51 #define SB_MODE_PLAYBACK_8	0x01
     52 #define SB_MODE_PLAYBACK_16	0x02
     53 #define SB_MODE_PLAYBACK	(SB_MODE_PLAYBACK_8 | SB_MODE_PLAYBACK_16)
     54 #define SB_MODE_CAPTURE_8	0x04
     55 #define SB_MODE_CAPTURE_16	0x08
     56 #define SB_MODE_CAPTURE		(SB_MODE_CAPTURE_8 | SB_MODE_CAPTURE_16)
     57 
     58 #define SB_RATE_LOCK_PLAYBACK	0x10
     59 #define SB_RATE_LOCK_CAPTURE	0x20
     60 #define SB_RATE_LOCK		(SB_RATE_LOCK_PLAYBACK | SB_RATE_LOCK_CAPTURE)
     61 
     62 #define SB_MPU_INPUT		1
     63 
     64 struct snd_sb {
     65 	unsigned long port;		/* base port of DSP chip */
     66 	struct resource *res_port;
     67 	unsigned long mpu_port;		/* MPU port for SB DSP 4.0+ */
     68 	int irq;			/* IRQ number of DSP chip */
     69 	int dma8;			/* 8-bit DMA */
     70 	int dma16;			/* 16-bit DMA */
     71 	unsigned short version;		/* version of DSP chip */
     72 	enum sb_hw_type hardware;	/* see to SB_HW_XXXX */
     73 
     74 	unsigned long alt_port;		/* alternate port (ALS4000) */
     75 	struct pci_dev *pci;		/* ALS4000 */
     76 
     77 	unsigned int open;		/* see to SB_OPEN_XXXX for sb8 */
     78 					/* also SNDRV_SB_CSP_MODE_XXX for sb16_csp */
     79 	unsigned int mode;		/* current mode of stream */
     80 	unsigned int force_mode16;	/* force 16-bit mode of streams */
     81 	unsigned int locked_rate;	/* sb16 duplex */
     82 	unsigned int playback_format;
     83 	unsigned int capture_format;
     84 	struct timer_list midi_timer;
     85 	unsigned int p_dma_size;
     86 	unsigned int p_period_size;
     87 	unsigned int c_dma_size;
     88 	unsigned int c_period_size;
     89 
     90 	spinlock_t mixer_lock;
     91 
     92 	char name[32];
     93 
     94 	void *csp; /* used only when CONFIG_SND_SB16_CSP is set */
     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 
    101 	struct snd_rawmidi *rmidi;
    102 	struct snd_rawmidi_substream *midi_substream_input;
    103 	struct snd_rawmidi_substream *midi_substream_output;
    104 	irq_handler_t rmidi_callback;
    105 
    106 	spinlock_t reg_lock;
    107 	spinlock_t open_lock;
    108 	spinlock_t midi_input_lock;
    109 
    110 	struct snd_info_entry *proc_entry;
    111 
    112 #ifdef CONFIG_PM
    113 	unsigned char saved_regs[0x20];
    114 #endif
    115 };
    116 
    117 /* I/O ports */
    118 
    119 #define SBP(chip, x)		((chip)->port + s_b_SB_##x)
    120 #define SBP1(port, x)		((port) + s_b_SB_##x)
    121 
    122 #define s_b_SB_RESET		0x6
    123 #define s_b_SB_READ		0xa
    124 #define s_b_SB_WRITE		0xc
    125 #define s_b_SB_COMMAND		0xc
    126 #define s_b_SB_STATUS		0xc
    127 #define s_b_SB_DATA_AVAIL	0xe
    128 #define s_b_SB_DATA_AVAIL_16 	0xf
    129 #define s_b_SB_MIXER_ADDR	0x4
    130 #define s_b_SB_MIXER_DATA	0x5
    131 #define s_b_SB_OPL3_LEFT	0x0
    132 #define s_b_SB_OPL3_RIGHT	0x2
    133 #define s_b_SB_OPL3_BOTH	0x8
    134 
    135 #define SB_DSP_OUTPUT		0x14
    136 #define SB_DSP_INPUT		0x24
    137 #define SB_DSP_BLOCK_SIZE	0x48
    138 #define SB_DSP_HI_OUTPUT	0x91
    139 #define SB_DSP_HI_INPUT		0x99
    140 #define SB_DSP_LO_OUTPUT_AUTO	0x1c
    141 #define SB_DSP_LO_INPUT_AUTO	0x2c
    142 #define SB_DSP_HI_OUTPUT_AUTO	0x90
    143 #define SB_DSP_HI_INPUT_AUTO	0x98
    144 #define SB_DSP_IMMED_INT	0xf2
    145 #define SB_DSP_GET_VERSION	0xe1
    146 #define SB_DSP_SPEAKER_ON	0xd1
    147 #define SB_DSP_SPEAKER_OFF	0xd3
    148 #define SB_DSP_DMA8_OFF		0xd0
    149 #define SB_DSP_DMA8_ON		0xd4
    150 #define SB_DSP_DMA8_EXIT	0xda
    151 #define SB_DSP_DMA16_OFF	0xd5
    152 #define SB_DSP_DMA16_ON		0xd6
    153 #define SB_DSP_DMA16_EXIT	0xd9
    154 #define SB_DSP_SAMPLE_RATE	0x40
    155 #define SB_DSP_SAMPLE_RATE_OUT	0x41
    156 #define SB_DSP_SAMPLE_RATE_IN	0x42
    157 #define SB_DSP_MONO_8BIT	0xa0
    158 #define SB_DSP_MONO_16BIT	0xa4
    159 #define SB_DSP_STEREO_8BIT	0xa8
    160 #define SB_DSP_STEREO_16BIT	0xac
    161 
    162 #define SB_DSP_MIDI_INPUT_IRQ	0x31
    163 #define SB_DSP_MIDI_UART_IRQ	0x35
    164 #define SB_DSP_MIDI_OUTPUT	0x38
    165 
    166 #define SB_DSP4_OUT8_AI		0xc6
    167 #define SB_DSP4_IN8_AI		0xce
    168 #define SB_DSP4_OUT16_AI	0xb6
    169 #define SB_DSP4_IN16_AI		0xbe
    170 #define SB_DSP4_MODE_UNS_MONO	0x00
    171 #define SB_DSP4_MODE_SIGN_MONO	0x10
    172 #define SB_DSP4_MODE_UNS_STEREO	0x20
    173 #define SB_DSP4_MODE_SIGN_STEREO 0x30
    174 
    175 #define SB_DSP4_OUTPUT		0x3c
    176 #define SB_DSP4_INPUT_LEFT	0x3d
    177 #define SB_DSP4_INPUT_RIGHT	0x3e
    178 
    179 /* registers for SB 2.0 mixer */
    180 #define SB_DSP20_MASTER_DEV	0x02
    181 #define SB_DSP20_PCM_DEV	0x0A
    182 #define SB_DSP20_CD_DEV		0x08
    183 #define SB_DSP20_FM_DEV		0x06
    184 
    185 /* registers for SB PRO mixer */
    186 #define SB_DSP_MASTER_DEV	0x22
    187 #define SB_DSP_PCM_DEV		0x04
    188 #define SB_DSP_LINE_DEV		0x2e
    189 #define SB_DSP_CD_DEV		0x28
    190 #define SB_DSP_FM_DEV		0x26
    191 #define SB_DSP_MIC_DEV		0x0a
    192 #define SB_DSP_CAPTURE_SOURCE	0x0c
    193 #define SB_DSP_CAPTURE_FILT	0x0c
    194 #define SB_DSP_PLAYBACK_FILT	0x0e
    195 #define SB_DSP_STEREO_SW	0x0e
    196 
    197 #define SB_DSP_MIXS_MIC0	0x00	/* same as MIC */
    198 #define SB_DSP_MIXS_CD		0x01
    199 #define SB_DSP_MIXS_MIC		0x02
    200 #define SB_DSP_MIXS_LINE	0x03
    201 
    202 /* registers (only for left channel) for SB 16 mixer */
    203 #define SB_DSP4_MASTER_DEV	0x30
    204 #define SB_DSP4_BASS_DEV	0x46
    205 #define SB_DSP4_TREBLE_DEV	0x44
    206 #define SB_DSP4_SYNTH_DEV	0x34
    207 #define SB_DSP4_PCM_DEV		0x32
    208 #define SB_DSP4_SPEAKER_DEV	0x3b
    209 #define SB_DSP4_LINE_DEV	0x38
    210 #define SB_DSP4_MIC_DEV		0x3a
    211 #define SB_DSP4_OUTPUT_SW	0x3c
    212 #define SB_DSP4_CD_DEV		0x36
    213 #define SB_DSP4_IGAIN_DEV	0x3f
    214 #define SB_DSP4_OGAIN_DEV	0x41
    215 #define SB_DSP4_MIC_AGC		0x43
    216 
    217 /* additional registers for SB 16 mixer */
    218 #define SB_DSP4_IRQSETUP	0x80
    219 #define SB_DSP4_DMASETUP	0x81
    220 #define SB_DSP4_IRQSTATUS	0x82
    221 #define SB_DSP4_MPUSETUP	0x84
    222 
    223 #define SB_DSP4_3DSE		0x90
    224 
    225 /* Registers for DT-019x / ALS-007 mixer */
    226 #define SB_DT019X_MASTER_DEV	0x62
    227 #define SB_DT019X_PCM_DEV	0x64
    228 #define SB_DT019X_SYNTH_DEV	0x66
    229 #define SB_DT019X_CD_DEV	0x68
    230 #define SB_DT019X_MIC_DEV	0x6a
    231 #define SB_DT019X_SPKR_DEV	0x6a
    232 #define SB_DT019X_LINE_DEV	0x6e
    233 #define SB_DT019X_OUTPUT_SW2	0x4c
    234 #define SB_DT019X_CAPTURE_SW	0x6c
    235 
    236 #define SB_DT019X_CAP_CD	0x02
    237 #define SB_DT019X_CAP_MIC	0x04
    238 #define SB_DT019X_CAP_LINE	0x06
    239 #define SB_DT019X_CAP_SYNTH	0x07
    240 #define SB_DT019X_CAP_MAIN	0x07
    241 
    242 #define SB_ALS4000_MONO_IO_CTRL	0x4b
    243 #define SB_ALS4000_MIC_IN_GAIN	0x4d
    244 #define SB_ALS4000_FMDAC	0x4f
    245 #define SB_ALS4000_3D_SND_FX	0x50
    246 #define SB_ALS4000_3D_TIME_DELAY	0x51
    247 #define SB_ALS4000_3D_AUTO_MUTE	0x52
    248 #define SB_ALS4000_QSOUND	0xdb
    249 
    250 /* IRQ setting bitmap */
    251 #define SB_IRQSETUP_IRQ9	0x01
    252 #define SB_IRQSETUP_IRQ5	0x02
    253 #define SB_IRQSETUP_IRQ7	0x04
    254 #define SB_IRQSETUP_IRQ10	0x08
    255 
    256 /* IRQ types */
    257 #define SB_IRQTYPE_8BIT		0x01
    258 #define SB_IRQTYPE_16BIT	0x02
    259 #define SB_IRQTYPE_MPUIN	0x04
    260 
    261 /* DMA setting bitmap */
    262 #define SB_DMASETUP_DMA0	0x01
    263 #define SB_DMASETUP_DMA1	0x02
    264 #define SB_DMASETUP_DMA3	0x08
    265 #define SB_DMASETUP_DMA5	0x20
    266 #define SB_DMASETUP_DMA6	0x40
    267 #define SB_DMASETUP_DMA7	0x80
    268 
    269 /*
    270  *
    271  */
    272 
    273 static inline void snd_sb_ack_8bit(struct snd_sb *chip)
    274 {
    275 	inb(SBP(chip, DATA_AVAIL));
    276 }
    277 
    278 static inline void snd_sb_ack_16bit(struct snd_sb *chip)
    279 {
    280 	inb(SBP(chip, DATA_AVAIL_16));
    281 }
    282 
    283 /* sb_common.c */
    284 int snd_sbdsp_command(struct snd_sb *chip, unsigned char val);
    285 int snd_sbdsp_get_byte(struct snd_sb *chip);
    286 int snd_sbdsp_reset(struct snd_sb *chip);
    287 int snd_sbdsp_create(struct snd_card *card,
    288 		     unsigned long port,
    289 		     int irq,
    290 		     irq_handler_t irq_handler,
    291 		     int dma8, int dma16,
    292 		     unsigned short hardware,
    293 		     struct snd_sb **r_chip);
    294 /* sb_mixer.c */
    295 void snd_sbmixer_write(struct snd_sb *chip, unsigned char reg, unsigned char data);
    296 unsigned char snd_sbmixer_read(struct snd_sb *chip, unsigned char reg);
    297 int snd_sbmixer_new(struct snd_sb *chip);
    298 #ifdef CONFIG_PM
    299 void snd_sbmixer_suspend(struct snd_sb *chip);
    300 void snd_sbmixer_resume(struct snd_sb *chip);
    301 #endif
    302 
    303 /* sb8_init.c */
    304 int snd_sb8dsp_pcm(struct snd_sb *chip, int device, struct snd_pcm ** rpcm);
    305 /* sb8.c */
    306 irqreturn_t snd_sb8dsp_interrupt(struct snd_sb *chip);
    307 int snd_sb8_playback_open(struct snd_pcm_substream *substream);
    308 int snd_sb8_capture_open(struct snd_pcm_substream *substream);
    309 int snd_sb8_playback_close(struct snd_pcm_substream *substream);
    310 int snd_sb8_capture_close(struct snd_pcm_substream *substream);
    311 /* midi8.c */
    312 irqreturn_t snd_sb8dsp_midi_interrupt(struct snd_sb *chip);
    313 int snd_sb8dsp_midi(struct snd_sb *chip, int device, struct snd_rawmidi ** rrawmidi);
    314 
    315 /* sb16_init.c */
    316 int snd_sb16dsp_pcm(struct snd_sb *chip, int device, struct snd_pcm ** rpcm);
    317 const struct snd_pcm_ops *snd_sb16dsp_get_pcm_ops(int direction);
    318 int snd_sb16dsp_configure(struct snd_sb *chip);
    319 /* sb16.c */
    320 irqreturn_t snd_sb16dsp_interrupt(int irq, void *dev_id);
    321 
    322 /* exported mixer stuffs */
    323 enum {
    324 	SB_MIX_SINGLE,
    325 	SB_MIX_DOUBLE,
    326 	SB_MIX_INPUT_SW,
    327 	SB_MIX_CAPTURE_PRO,
    328 	SB_MIX_CAPTURE_DT019X
    329 };
    330 
    331 #define SB_MIXVAL_DOUBLE(left_reg, right_reg, left_shift, right_shift, mask) \
    332   ((left_reg) | ((right_reg) << 8) | ((left_shift) << 16) | ((right_shift) << 19) | ((mask) << 24))
    333 #define SB_MIXVAL_SINGLE(reg, shift, mask) \
    334   ((reg) | ((shift) << 16) | ((mask) << 24))
    335 #define SB_MIXVAL_INPUT_SW(reg1, reg2, left_shift, right_shift) \
    336   ((reg1) | ((reg2) << 8) | ((left_shift) << 16) | ((right_shift) << 24))
    337 
    338 int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int type, unsigned long value);
    339 
    340 /* for ease of use */
    341 struct sbmix_elem {
    342 	const char *name;
    343 	int type;
    344 	unsigned long private_value;
    345 };
    346 
    347 #define SB_SINGLE(xname, reg, shift, mask) \
    348 { .name = xname, \
    349   .type = SB_MIX_SINGLE, \
    350   .private_value = SB_MIXVAL_SINGLE(reg, shift, mask) }
    351 
    352 #define SB_DOUBLE(xname, left_reg, right_reg, left_shift, right_shift, mask) \
    353 { .name = xname, \
    354   .type = SB_MIX_DOUBLE, \
    355   .private_value = SB_MIXVAL_DOUBLE(left_reg, right_reg, left_shift, right_shift, mask) }
    356 
    357 #define SB16_INPUT_SW(xname, reg1, reg2, left_shift, right_shift) \
    358 { .name = xname, \
    359   .type = SB_MIX_INPUT_SW, \
    360   .private_value = SB_MIXVAL_INPUT_SW(reg1, reg2, left_shift, right_shift) }
    361 
    362 static inline int snd_sbmixer_add_ctl_elem(struct snd_sb *chip, const struct sbmix_elem *c)
    363 {
    364 	return snd_sbmixer_add_ctl(chip, c->name, 0, c->type, c->private_value);
    365 }
    366 
    367 #endif /* __SOUND_SB_H */
    368