| /* |
| * sound/oss/ad1848.c |
| * |
| * The low level driver for the AD1848/CS4248 codec chip which |
| * is used for example in the MS Sound System. |
| * |
| * The CS4231 which is used in the GUS MAX and some other cards is |
| * upwards compatible with AD1848 and this driver is able to drive it. |
| * |
| * CS4231A and AD1845 are upward compatible with CS4231. However |
| * the new features of these chips are different. |
| * |
| * CS4232 is a PnP audio chip which contains a CS4231A (and SB, MPU). |
| * CS4232A is an improved version of CS4232. |
| * |
| * |
| * |
| * Copyright (C) by Hannu Savolainen 1993-1997 |
| * |
| * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL) |
| * Version 2 (June 1991). See the "COPYING" file distributed with this software |
| * for more info. |
| * |
| * |
| * Thomas Sailer : ioctl code reworked (vmalloc/vfree removed) |
| * general sleep/wakeup clean up. |
| * Alan Cox : reformatted. Fixed SMP bugs. Moved to kernel alloc/free |
| * of irqs. Use dev_id. |
| * Christoph Hellwig : adapted to module_init/module_exit |
| * Aki Laukkanen : added power management support |
| * Arnaldo C. de Melo : added missing restore_flags in ad1848_resume |
| * Miguel Freitas : added ISA PnP support |
| * Alan Cox : Added CS4236->4239 identification |
| * Daniel T. Cobra : Alernate config/mixer for later chips |
| * Alan Cox : Merged chip idents and config code |
| * |
| * TODO |
| * APM save restore assist code on IBM thinkpad |
| * |
| * Status: |
| * Tested. Believed fully functional. |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/interrupt.h> |
| #include <linux/module.h> |
| #include <linux/stddef.h> |
| #include <linux/slab.h> |
| #include <linux/isapnp.h> |
| #include <linux/pnp.h> |
| #include <linux/spinlock.h> |
| |
| #define DEB(x) |
| #define DEB1(x) |
| #include "sound_config.h" |
| |
| #include "ad1848.h" |
| #include "ad1848_mixer.h" |
| |
| typedef struct |
| { |
| spinlock_t lock; |
| int base; |
| int irq; |
| int dma1, dma2; |
| int dual_dma; /* 1, when two DMA channels allocated */ |
| int subtype; |
| unsigned char MCE_bit; |
| unsigned char saved_regs[64]; /* Includes extended register space */ |
| int debug_flag; |
| |
| int audio_flags; |
| int record_dev, playback_dev; |
| |
| int xfer_count; |
| int audio_mode; |
| int open_mode; |
| int intr_active; |
| char *chip_name, *name; |
| int model; |
| #define MD_1848 1 |
| #define MD_4231 2 |
| #define MD_4231A 3 |
| #define MD_1845 4 |
| #define MD_4232 5 |
| #define MD_C930 6 |
| #define MD_IWAVE 7 |
| #define MD_4235 8 /* Crystal Audio CS4235 */ |
| #define MD_1845_SSCAPE 9 /* Ensoniq Soundscape PNP*/ |
| #define MD_4236 10 /* 4236 and higher */ |
| #define MD_42xB 11 /* CS 42xB */ |
| #define MD_4239 12 /* CS4239 */ |
| |
| /* Mixer parameters */ |
| int recmask; |
| int supported_devices, orig_devices; |
| int supported_rec_devices, orig_rec_devices; |
| int *levels; |
| short mixer_reroute[32]; |
| int dev_no; |
| volatile unsigned long timer_ticks; |
| int timer_running; |
| int irq_ok; |
| mixer_ents *mix_devices; |
| int mixer_output_port; |
| } ad1848_info; |
| |
| typedef struct ad1848_port_info |
| { |
| int open_mode; |
| int speed; |
| unsigned char speed_bits; |
| int channels; |
| int audio_format; |
| unsigned char format_bits; |
| } |
| ad1848_port_info; |
| |
| static struct address_info cfg; |
| static int nr_ad1848_devs; |
| |
| static int deskpro_xl; |
| static int deskpro_m; |
| static int soundpro; |
| |
| static volatile signed char irq2dev[17] = { |
| -1, -1, -1, -1, -1, -1, -1, -1, |
| -1, -1, -1, -1, -1, -1, -1, -1, -1 |
| }; |
| |
| #ifndef EXCLUDE_TIMERS |
| static int timer_installed = -1; |
| #endif |
| |
| static int loaded; |
| |
| static int ad_format_mask[13 /*devc->model */ ] = |
| { |
| 0, |
| AFMT_U8 | AFMT_S16_LE | AFMT_MU_LAW | AFMT_A_LAW, |
| AFMT_U8 | AFMT_S16_LE | AFMT_MU_LAW | AFMT_A_LAW | AFMT_S16_BE | AFMT_IMA_ADPCM, |
| AFMT_U8 | AFMT_S16_LE | AFMT_MU_LAW | AFMT_A_LAW | AFMT_S16_BE | AFMT_IMA_ADPCM, |
| AFMT_U8 | AFMT_S16_LE | AFMT_MU_LAW | AFMT_A_LAW, /* AD1845 */ |
| AFMT_U8 | AFMT_S16_LE | AFMT_MU_LAW | AFMT_A_LAW | AFMT_S16_BE | AFMT_IMA_ADPCM, |
| AFMT_U8 | AFMT_S16_LE | AFMT_MU_LAW | AFMT_A_LAW | AFMT_S16_BE | AFMT_IMA_ADPCM, |
| AFMT_U8 | AFMT_S16_LE | AFMT_MU_LAW | AFMT_A_LAW | AFMT_S16_BE | AFMT_IMA_ADPCM, |
| AFMT_U8 | AFMT_S16_LE /* CS4235 */, |
| AFMT_U8 | AFMT_S16_LE | AFMT_MU_LAW | AFMT_A_LAW /* Ensoniq Soundscape*/, |
| AFMT_U8 | AFMT_S16_LE | AFMT_MU_LAW | AFMT_A_LAW | AFMT_S16_BE | AFMT_IMA_ADPCM, |
| AFMT_U8 | AFMT_S16_LE | AFMT_MU_LAW | AFMT_A_LAW | AFMT_S16_BE | AFMT_IMA_ADPCM, |
| AFMT_U8 | AFMT_S16_LE | AFMT_MU_LAW | AFMT_A_LAW | AFMT_S16_BE | AFMT_IMA_ADPCM |
| }; |
| |
| static ad1848_info adev_info[MAX_AUDIO_DEV]; |
| |
| #define io_Index_Addr(d) ((d)->base) |
| #define io_Indexed_Data(d) ((d)->base+1) |
| #define io_Status(d) ((d)->base+2) |
| #define io_Polled_IO(d) ((d)->base+3) |
| |
| static struct { |
| unsigned char flags; |
| #define CAP_F_TIMER 0x01 |
| } capabilities [10 /*devc->model */ ] = { |
| {0} |
| ,{0} /* MD_1848 */ |
| ,{CAP_F_TIMER} /* MD_4231 */ |
| ,{CAP_F_TIMER} /* MD_4231A */ |
| ,{CAP_F_TIMER} /* MD_1845 */ |
| ,{CAP_F_TIMER} /* MD_4232 */ |
| ,{0} /* MD_C930 */ |
| ,{CAP_F_TIMER} /* MD_IWAVE */ |
| ,{0} /* MD_4235 */ |
| ,{CAP_F_TIMER} /* MD_1845_SSCAPE */ |
| }; |
| |
| #ifdef CONFIG_PNP |
| static int isapnp = 1; |
| static int isapnpjump; |
| static int reverse; |
| |
| static int audio_activated; |
| #else |
| static int isapnp; |
| #endif |
| |
| |
| |
| static int ad1848_open(int dev, int mode); |
| static void ad1848_close(int dev); |
| static void ad1848_output_block(int dev, unsigned long buf, int count, int intrflag); |
| static void ad1848_start_input(int dev, unsigned long buf, int count, int intrflag); |
| static int ad1848_prepare_for_output(int dev, int bsize, int bcount); |
| static int ad1848_prepare_for_input(int dev, int bsize, int bcount); |
| static void ad1848_halt(int dev); |
| static void ad1848_halt_input(int dev); |
| static void ad1848_halt_output(int dev); |
| static void ad1848_trigger(int dev, int bits); |
| static irqreturn_t adintr(int irq, void *dev_id); |
| |
| #ifndef EXCLUDE_TIMERS |
| static int ad1848_tmr_install(int dev); |
| static void ad1848_tmr_reprogram(int dev); |
| #endif |
| |
| static int ad_read(ad1848_info * devc, int reg) |
| { |
| int x; |
| int timeout = 900000; |
| |
| while (timeout > 0 && inb(devc->base) == 0x80) /*Are we initializing */ |
| timeout--; |
| |
| if(reg < 32) |
| { |
| outb(((unsigned char) (reg & 0xff) | devc->MCE_bit), io_Index_Addr(devc)); |
| x = inb(io_Indexed_Data(devc)); |
| } |
| else |
| { |
| int xreg, xra; |
| |
| xreg = (reg & 0xff) - 32; |
| xra = (((xreg & 0x0f) << 4) & 0xf0) | 0x08 | ((xreg & 0x10) >> 2); |
| outb(((unsigned char) (23 & 0xff) | devc->MCE_bit), io_Index_Addr(devc)); |
| outb(((unsigned char) (xra & 0xff)), io_Indexed_Data(devc)); |
| x = inb(io_Indexed_Data(devc)); |
| } |
| |
| return x; |
| } |
| |
| static void ad_write(ad1848_info * devc, int reg, int data) |
| { |
| int timeout = 900000; |
| |
| while (timeout > 0 && inb(devc->base) == 0x80) /* Are we initializing */ |
| timeout--; |
| |
| if(reg < 32) |
| { |
| outb(((unsigned char) (reg & 0xff) | devc->MCE_bit), io_Index_Addr(devc)); |
| outb(((unsigned char) (data & 0xff)), io_Indexed_Data(devc)); |
| } |
| else |
| { |
| int xreg, xra; |
| |
| xreg = (reg & 0xff) - 32; |
| xra = (((xreg & 0x0f) << 4) & 0xf0) | 0x08 | ((xreg & 0x10) >> 2); |
| outb(((unsigned char) (23 & 0xff) | devc->MCE_bit), io_Index_Addr(devc)); |
| outb(((unsigned char) (xra & 0xff)), io_Indexed_Data(devc)); |
| outb((unsigned char) (data & 0xff), io_Indexed_Data(devc)); |
| } |
| } |
| |
| static void wait_for_calibration(ad1848_info * devc) |
| { |
| int timeout = 0; |
| |
| /* |
| * Wait until the auto calibration process has finished. |
| * |
| * 1) Wait until the chip becomes ready (reads don't return 0x80). |
| * 2) Wait until the ACI bit of I11 gets on and then off. |
| */ |
| |
| timeout = 100000; |
| while (timeout > 0 && inb(devc->base) == 0x80) |
| timeout--; |
| if (inb(devc->base) & 0x80) |
| printk(KERN_WARNING "ad1848: Auto calibration timed out(1).\n"); |
| |
| timeout = 100; |
| while (timeout > 0 && !(ad_read(devc, 11) & 0x20)) |
| timeout--; |
| if (!(ad_read(devc, 11) & 0x20)) |
| return; |
| |
| timeout = 80000; |
| while (timeout > 0 && (ad_read(devc, 11) & 0x20)) |
| timeout--; |
| if (ad_read(devc, 11) & 0x20) |
| if ((devc->model != MD_1845) && (devc->model != MD_1845_SSCAPE)) |
| printk(KERN_WARNING "ad1848: Auto calibration timed out(3).\n"); |
| } |
| |
| static void ad_mute(ad1848_info * devc) |
| { |
| int i; |
| unsigned char prev; |
| |
| /* |
| * Save old register settings and mute output channels |
| */ |
| |
| for (i = 6; i < 8; i++) |
| { |
| prev = devc->saved_regs[i] = ad_read(devc, i); |
| } |
| |
| } |
| |
| static void ad_unmute(ad1848_info * devc) |
| { |
| } |
| |
| static void ad_enter_MCE(ad1848_info * devc) |
| { |
| int timeout = 1000; |
| unsigned short prev; |
| |
| while (timeout > 0 && inb(devc->base) == 0x80) /*Are we initializing */ |
| timeout--; |
| |
| devc->MCE_bit = 0x40; |
| prev = inb(io_Index_Addr(devc)); |
| if (prev & 0x40) |
| { |
| return; |
| } |
| outb((devc->MCE_bit), io_Index_Addr(devc)); |
| } |
| |
| static void ad_leave_MCE(ad1848_info * devc) |
| { |
| unsigned char prev, acal; |
| int timeout = 1000; |
| |
| while (timeout > 0 && inb(devc->base) == 0x80) /*Are we initializing */ |
| timeout--; |
| |
| acal = ad_read(devc, 9); |
| |
| devc->MCE_bit = 0x00; |
| prev = inb(io_Index_Addr(devc)); |
| outb((0x00), io_Index_Addr(devc)); /* Clear the MCE bit */ |
| |
| if ((prev & 0x40) == 0) /* Not in MCE mode */ |
| { |
| return; |
| } |
| outb((0x00), io_Index_Addr(devc)); /* Clear the MCE bit */ |
| if (acal & 0x08) /* Auto calibration is enabled */ |
| wait_for_calibration(devc); |
| } |
| |
| static int ad1848_set_recmask(ad1848_info * devc, int mask) |
| { |
| unsigned char recdev; |
| int i, n; |
| unsigned long flags; |
| |
| mask &= devc->supported_rec_devices; |
| |
| /* Rename the mixer bits if necessary */ |
| for (i = 0; i < 32; i++) |
| { |
| if (devc->mixer_reroute[i] != i) |
| { |
| if (mask & (1 << i)) |
| { |
| mask &= ~(1 << i); |
| mask |= (1 << devc->mixer_reroute[i]); |
| } |
| } |
| } |
| |
| n = 0; |
| for (i = 0; i < 32; i++) /* Count selected device bits */ |
| if (mask & (1 << i)) |
| n++; |
| |
| spin_lock_irqsave(&devc->lock,flags); |
| if (!soundpro) { |
| if (n == 0) |
| mask = SOUND_MASK_MIC; |
| else if (n != 1) { /* Too many devices selected */ |
| mask &= ~devc->recmask; /* Filter out active settings */ |
| |
| n = 0; |
| for (i = 0; i < 32; i++) /* Count selected device bits */ |
| if (mask & (1 << i)) |
| n++; |
| |
| if (n != 1) |
| mask = SOUND_MASK_MIC; |
| } |
| switch (mask) { |
| case SOUND_MASK_MIC: |
| recdev = 2; |
| break; |
| |
| case SOUND_MASK_LINE: |
| case SOUND_MASK_LINE3: |
| recdev = 0; |
| break; |
| |
| case SOUND_MASK_CD: |
| case SOUND_MASK_LINE1: |
| recdev = 1; |
| break; |
| |
| case SOUND_MASK_IMIX: |
| recdev = 3; |
| break; |
| |
| default: |
| mask = SOUND_MASK_MIC; |
| recdev = 2; |
| } |
| |
| recdev <<= 6; |
| ad_write(devc, 0, (ad_read(devc, 0) & 0x3f) | recdev); |
| ad_write(devc, 1, (ad_read(devc, 1) & 0x3f) | recdev); |
| } else { /* soundpro */ |
| unsigned char val; |
| int set_rec_bit; |
| int j; |
| |
| for (i = 0; i < 32; i++) { /* For each bit */ |
| if ((devc->supported_rec_devices & (1 << i)) == 0) |
| continue; /* Device not supported */ |
| |
| for (j = LEFT_CHN; j <= RIGHT_CHN; j++) { |
| if (devc->mix_devices[i][j].nbits == 0) /* Inexistent channel */ |
| continue; |
| |
| /* |
| * This is tricky: |
| * set_rec_bit becomes 1 if the corresponding bit in mask is set |
| * then it gets flipped if the polarity is inverse |
| */ |
| set_rec_bit = ((mask & (1 << i)) != 0) ^ devc->mix_devices[i][j].recpol; |
| |
| val = ad_read(devc, devc->mix_devices[i][j].recreg); |
| val &= ~(1 << devc->mix_devices[i][j].recpos); |
| val |= (set_rec_bit << devc->mix_devices[i][j].recpos); |
| ad_write(devc, devc->mix_devices[i][j].recreg, val); |
| } |
| } |
| } |
| spin_unlock_irqrestore(&devc->lock,flags); |
| |
| /* Rename the mixer bits back if necessary */ |
| for (i = 0; i < 32; i++) |
| { |
| if (devc->mixer_reroute[i] != i) |
| { |
| if (mask & (1 << devc->mixer_reroute[i])) |
| { |
| mask &= ~(1 << devc->mixer_reroute[i]); |
| mask |= (1 << i); |
| } |
| } |
| } |
| devc->recmask = mask; |
| return mask; |
| } |
| |
| static void oss_change_bits(ad1848_info *devc, unsigned char *regval, |
| unsigned char *muteval, int dev, int chn, int newval) |
| { |
| unsigned char mask; |
| int shift; |
| int mute; |
| int mutemask; |
| int set_mute_bit; |
| |
| set_mute_bit = (newval == 0) ^ devc->mix_devices[dev][chn].mutepol; |
| |
| if (devc->mix_devices[dev][chn].polarity == 1) /* Reverse */ |
| newval = 100 - newval; |
| |
| mask = (1 << devc->mix_devices[dev][chn].nbits) - 1; |
| shift = devc->mix_devices[dev][chn].bitpos; |
| |
| if (devc->mix_devices[dev][chn].mutepos == 8) |
| { /* if there is no mute bit */ |
| mute = 0; /* No mute bit; do nothing special */ |
| mutemask = ~0; /* No mute bit; do nothing special */ |
| } |
| else |
| { |
| mute = (set_mute_bit << devc->mix_devices[dev][chn].mutepos); |
| mutemask = ~(1 << devc->mix_devices[dev][chn].mutepos); |
| } |
| |
| newval = (int) ((newval * mask) + 50) / 100; /* Scale it */ |
| *regval &= ~(mask << shift); /* Clear bits */ |
| *regval |= (newval & mask) << shift; /* Set new value */ |
| |
| *muteval &= mutemask; |
| *muteval |= mute; |
| } |
| |
| static int ad1848_mixer_get(ad1848_info * devc, int dev) |
| { |
| if (!((1 << dev) & devc->supported_devices)) |
| return -EINVAL; |
| |
| dev = devc->mixer_reroute[dev]; |
| |
| return devc->levels[dev]; |
| } |
| |
| static void ad1848_mixer_set_channel(ad1848_info *devc, int dev, int value, int channel) |
| { |
| int regoffs, muteregoffs; |
| unsigned char val, muteval; |
| unsigned long flags; |
| |
| regoffs = devc->mix_devices[dev][channel].regno; |
| muteregoffs = devc->mix_devices[dev][channel].mutereg; |
| val = ad_read(devc, regoffs); |
| |
| if (muteregoffs != regoffs) { |
| muteval = ad_read(devc, muteregoffs); |
| oss_change_bits(devc, &val, &muteval, dev, channel, value); |
| } |
| else |
| oss_change_bits(devc, &val, &val, dev, channel, value); |
| |
| spin_lock_irqsave(&devc->lock,flags); |
| ad_write(devc, regoffs, val); |
| devc->saved_regs[regoffs] = val; |
| if (muteregoffs != regoffs) { |
| ad_write(devc, muteregoffs, muteval); |
| devc->saved_regs[muteregoffs] = muteval; |
| } |
| spin_unlock_irqrestore(&devc->lock,flags); |
| } |
| |
| static int ad1848_mixer_set(ad1848_info * devc, int dev, int value) |
| { |
| int left = value & 0x000000ff; |
| int right = (value & 0x0000ff00) >> 8; |
| int retvol; |
| |
| if (dev > 31) |
| return -EINVAL; |
| |
| if (!(devc->supported_devices & (1 << dev))) |
| return -EINVAL; |
| |
| dev = devc->mixer_reroute[dev]; |
| |
| if (devc->mix_devices[dev][LEFT_CHN].nbits == 0) |
| return -EINVAL; |
| |
| if (left > 100) |
| left = 100; |
| if (right > 100) |
| right = 100; |
| |
| if (devc->mix_devices[dev][RIGHT_CHN].nbits == 0) /* Mono control */ |
| right = left; |
| |
| retvol = left | (right << 8); |
| |
| /* Scale volumes */ |
| left = mix_cvt[left]; |
| right = mix_cvt[right]; |
| |
| devc->levels[dev] = retvol; |
| |
| /* |
| * Set the left channel |
| */ |
| ad1848_mixer_set_channel(devc, dev, left, LEFT_CHN); |
| |
| /* |
| * Set the right channel |
| */ |
| if (devc->mix_devices[dev][RIGHT_CHN].nbits == 0) |
| goto out; |
| ad1848_mixer_set_channel(devc, dev, right, RIGHT_CHN); |
| |
| out: |
| return retvol; |
| } |
| |
| static void ad1848_mixer_reset(ad1848_info * devc) |
| { |
| int i; |
| char name[32]; |
| unsigned long flags; |
| |
| devc->mix_devices = &(ad1848_mix_devices[0]); |
| |
| sprintf(name, "%s_%d", devc->chip_name, nr_ad1848_devs); |
| |
| for (i = 0; i < 32; i++) |
| devc->mixer_reroute[i] = i; |
| |
| devc->supported_rec_devices = MODE1_REC_DEVICES; |
| |
| switch (devc->model) |
| { |
| case MD_4231: |
| case MD_4231A: |
| case MD_1845: |
| case MD_1845_SSCAPE: |
| devc->supported_devices = MODE2_MIXER_DEVICES; |
| break; |
| |
| case MD_C930: |
| devc->supported_devices = C930_MIXER_DEVICES; |
| devc->mix_devices = &(c930_mix_devices[0]); |
| break; |
| |
| case MD_IWAVE: |
| devc->supported_devices = MODE3_MIXER_DEVICES; |
| devc->mix_devices = &(iwave_mix_devices[0]); |
| break; |
| |
| case MD_42xB: |
| case MD_4239: |
| devc->mix_devices = &(cs42xb_mix_devices[0]); |
| devc->supported_devices = MODE3_MIXER_DEVICES; |
| break; |
| case MD_4232: |
| case MD_4235: |
| case MD_4236: |
| devc->supported_devices = MODE3_MIXER_DEVICES; |
| break; |
| |
| case MD_1848: |
| if (soundpro) { |
| devc->supported_devices = SPRO_MIXER_DEVICES; |
| devc->supported_rec_devices = SPRO_REC_DEVICES; |
| devc->mix_devices = &(spro_mix_devices[0]); |
| break; |
| } |
| |
| default: |
| devc->supported_devices = MODE1_MIXER_DEVICES; |
| } |
| |
| devc->orig_devices = devc->supported_devices; |
| devc->orig_rec_devices = devc->supported_rec_devices; |
| |
| devc->levels = load_mixer_volumes(name, default_mixer_levels, 1); |
| |
| for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) |
| { |
| if (devc->supported_devices & (1 << i)) |
| ad1848_mixer_set(devc, i, devc->levels[i]); |
| } |
| |
| ad1848_set_recmask(devc, SOUND_MASK_MIC); |
| |
| devc->mixer_output_port = devc->levels[31] | AUDIO_HEADPHONE | AUDIO_LINE_OUT; |
| |
| spin_lock_irqsave(&devc->lock,flags); |
| if (!soundpro) { |
| if (devc->mixer_output_port & AUDIO_SPEAKER) |
| ad_write(devc, 26, ad_read(devc, 26) & ~0x40); /* Unmute mono out */ |
| else |
| ad_write(devc, 26, ad_read(devc, 26) | 0x40); /* Mute mono out */ |
| } else { |
| /* |
| * From the "wouldn't it be nice if the mixer API had (better) |
| * support for custom stuff" category |
| */ |
| /* Enable surround mode and SB16 mixer */ |
| ad_write(devc, 16, 0x60); |
| } |
| spin_unlock_irqrestore(&devc->lock,flags); |
| } |
| |
| static int ad1848_mixer_ioctl(int dev, unsigned int cmd, void __user *arg) |
| { |
| ad1848_info *devc = mixer_devs[dev]->devc; |
| int val; |
| |
| if (cmd == SOUND_MIXER_PRIVATE1) |
| { |
| if (get_user(val, (int __user *)arg)) |
| return -EFAULT; |
| |
| if (val != 0xffff) |
| { |
| unsigned long flags; |
| val &= (AUDIO_SPEAKER | AUDIO_HEADPHONE | AUDIO_LINE_OUT); |
| devc->mixer_output_port = val; |
| val |= AUDIO_HEADPHONE | AUDIO_LINE_OUT; /* Always on */ |
| devc->mixer_output_port = val; |
| spin_lock_irqsave(&devc->lock,flags); |
| if (val & AUDIO_SPEAKER) |
| ad_write(devc, 26, ad_read(devc, 26) & ~0x40); /* Unmute mono out */ |
| else |
| ad_write(devc, 26, ad_read(devc, 26) | 0x40); /* Mute mono out */ |
| spin_unlock_irqrestore(&devc->lock,flags); |
| } |
| val = devc->mixer_output_port; |
| return put_user(val, (int __user *)arg); |
| } |
| if (cmd == SOUND_MIXER_PRIVATE2) |
| { |
| if (get_user(val, (int __user *)arg)) |
| return -EFAULT; |
| return(ad1848_control(AD1848_MIXER_REROUTE, val)); |
| } |
| if (((cmd >> 8) & 0xff) == 'M') |
| { |
| if (_SIOC_DIR(cmd) & _SIOC_WRITE) |
| { |
| switch (cmd & 0xff) |
| { |
| case SOUND_MIXER_RECSRC: |
| if (get_user(val, (int __user *)arg)) |
| return -EFAULT; |
| val = ad1848_set_recmask(devc, val); |
| break; |
| |
| default: |
| if (get_user(val, (int __user *)arg)) |
| return -EFAULT; |
| val = ad1848_mixer_set(devc, cmd & 0xff, val); |
| break; |
| } |
| return put_user(val, (int __user *)arg); |
| } |
| else |
| { |
| switch (cmd & 0xff) |
| { |
| /* |
| * Return parameters |
| */ |
| |
| case SOUND_MIXER_RECSRC: |
| val = devc->recmask; |
| break; |
| |
| case SOUND_MIXER_DEVMASK: |
| val = devc->supported_devices; |
| break; |
| |
| case SOUND_MIXER_STEREODEVS: |
| val = devc->supported_devices; |
| if (devc->model != MD_C930) |
| val &= ~(SOUND_MASK_SPEAKER | SOUND_MASK_IMIX); |
| break; |
| |
| case SOUND_MIXER_RECMASK: |
| val = devc->supported_rec_devices; |
| break; |
| |
| case SOUND_MIXER_CAPS: |
| val=SOUND_CAP_EXCL_INPUT; |
| break; |
| |
| default: |
| val = ad1848_mixer_get(devc, cmd & 0xff); |
| break; |
| } |
| return put_user(val, (int __user *)arg); |
| } |
| } |
| else |
| return -EINVAL; |
| } |
| |
| static int ad1848_set_speed(int dev, int arg) |
| { |
| ad1848_info *devc = (ad1848_info *) audio_devs[dev]->devc; |
| ad1848_port_info *portc = (ad1848_port_info *) audio_devs[dev]->portc; |
| |
| /* |
| * The sampling speed is encoded in the least significant nibble of I8. The |
| * LSB selects the clock source (0=24.576 MHz, 1=16.9344 MHz) and other |
| * three bits select the divisor (indirectly): |
| * |
| * The available speeds are in the following table. Keep the speeds in |
| * the increasing order. |
| */ |
| typedef struct |
| { |
| int speed; |
| unsigned char bits; |
| } |
| speed_struct; |
| |
| static speed_struct speed_table[] = |
| { |
| {5510, (0 << 1) | 1}, |
| {5510, (0 << 1) | 1}, |
| {6620, (7 << 1) | 1}, |
| {8000, (0 << 1) | 0}, |
| {9600, (7 << 1) | 0}, |
| {11025, (1 << 1) | 1}, |
| {16000, (1 << 1) | 0}, |
| {18900, (2 << 1) | 1}, |
| {22050, (3 << 1) | 1}, |
| {27420, (2 << 1) | 0}, |
| {32000, (3 << 1) | 0}, |
| {33075, (6 << 1) | 1}, |
| {37800, (4 << 1) | 1}, |
| {44100, (5 << 1) | 1}, |
| {48000, (6 << 1) | 0} |
| }; |
| |
| int i, n, selected = -1; |
| |
| n = sizeof(speed_table) / sizeof(speed_struct); |
| |
| if (arg <= 0) |
| return portc->speed; |
| |
| if (devc->model == MD_1845 || devc->model == MD_1845_SSCAPE) /* AD1845 has different timer than others */ |
| { |
| if (arg < 4000) |
| arg = 4000; |
| if (arg > 50000) |
| arg = 50000; |
| |
| portc->speed = arg; |
| portc->speed_bits = speed_table[3].bits; |
| return portc->speed; |
| } |
| if (arg < speed_table[0].speed) |
| selected = 0; |
| if (arg > speed_table[n - 1].speed) |
| selected = n - 1; |
| |
| for (i = 1 /*really */ ; selected == -1 && i < n; i++) |
| { |
| if (speed_table[i].speed == arg) |
| selected = i; |
| else if (speed_table[i].speed > arg) |
| { |
| int diff1, diff2; |
| |
| diff1 = arg - speed_table[i - 1].speed; |
| diff2 = speed_table[i].speed - arg; |
| |
| if (diff1 < diff2) |
| selected = i - 1; |
| else |
| selected = i; |
| } |
| } |
| if (selected == -1) |
| { |
| printk(KERN_WARNING "ad1848: Can't find speed???\n"); |
| selected = 3; |
| } |
| portc->speed = speed_table[selected].speed; |
| portc->speed_bits = speed_table[selected].bits; |
| return portc->speed; |
| } |
| |
| static short ad1848_set_channels(int dev, short arg) |
| { |
| ad1848_port_info *portc = (ad1848_port_info *) audio_devs[dev]->portc; |
| |
| if (arg != 1 && arg != 2) |
| return portc->channels; |
| |
| portc->channels = arg; |
| return arg; |
| } |
| |
| static unsigned int ad1848_set_bits(int dev, unsigned int arg) |
| { |
| ad1848_info *devc = (ad1848_info *) audio_devs[dev]->devc; |
| ad1848_port_info *portc = (ad1848_port_info *) audio_devs[dev]->portc; |
| |
| static struct format_tbl |
| { |
| int format; |
| unsigned char bits; |
| } |
| format2bits[] = |
| { |
| { |
| 0, 0 |
| } |
| , |
| { |
| AFMT_MU_LAW, 1 |
| } |
| , |
| { |
| AFMT_A_LAW, 3 |
| } |
| , |
| { |
| AFMT_IMA_ADPCM, 5 |
| } |
| , |
| { |
| AFMT_U8, 0 |
| } |
| , |
| { |
| AFMT_S16_LE, 2 |
| } |
| , |
| { |
| AFMT_S16_BE, 6 |
| } |
| , |
| { |
| AFMT_S8, 0 |
| } |
| , |
| { |
| AFMT_U16_LE, 0 |
| } |
| , |
| { |
| AFMT_U16_BE, 0 |
| } |
| }; |
| int i, n = sizeof(format2bits) / sizeof(struct format_tbl); |
| |
| if (arg == 0) |
| return portc->audio_format; |
| |
| if (!(arg & ad_format_mask[devc->model])) |
| arg = AFMT_U8; |
| |
| portc->audio_format = arg; |
| |
| for (i = 0; i < n; i++) |
| if (format2bits[i].format == arg) |
| { |
| if ((portc->format_bits = format2bits[i].bits) == 0) |
| return portc->audio_format = AFMT_U8; /* Was not supported */ |
| |
| return arg; |
| } |
| /* Still hanging here. Something must be terribly wrong */ |
| portc->format_bits = 0; |
| return portc->audio_format = AFMT_U8; |
| } |
| |
| static struct audio_driver ad1848_audio_driver = |
| { |
| .owner = THIS_MODULE, |
| .open = ad1848_open, |
| .close = ad1848_close, |
| .output_block = ad1848_output_block, |
| .start_input = ad1848_start_input, |
| .prepare_for_input = ad1848_prepare_for_input, |
| .prepare_for_output = ad1848_prepare_for_output, |
| .halt_io = ad1848_halt, |
| .halt_input = ad1848_halt_input, |
| .halt_output = ad1848_halt_output, |
| .trigger = ad1848_trigger, |
| .set_speed = ad1848_set_speed, |
| .set_bits = ad1848_set_bits, |
| .set_channels = ad1848_set_channels |
| }; |
| |
| static struct mixer_operations ad1848_mixer_operations = |
| { |
| .owner = THIS_MODULE, |
| .id = "SOUNDPORT", |
| .name = "AD1848/CS4248/CS4231", |
| .ioctl = ad1848_mixer_ioctl |
| }; |
| |
| static int ad1848_open(int dev, int mode) |
| { |
| ad1848_info *devc; |
| ad1848_port_info *portc; |
| unsigned long flags; |
| |
| if (dev < 0 || dev >= num_audiodevs) |
| return -ENXIO; |
| |
| devc = (ad1848_info *) audio_devs[dev]->devc; |
| portc = (ad1848_port_info *) audio_devs[dev]->portc; |
| |
| /* here we don't have to protect against intr */ |
| spin_lock(&devc->lock); |
| if (portc->open_mode || (devc->open_mode & mode)) |
| { |
| spin_unlock(&devc->lock); |
| return -EBUSY; |
| } |
| devc->dual_dma = 0; |
| |
| if (audio_devs[dev]->flags & DMA_DUPLEX) |
| { |
| devc->dual_dma = 1; |
| } |
| devc->intr_active = 0; |
| devc->audio_mode = 0; |
| devc->open_mode |= mode; |
| portc->open_mode = mode; |
| spin_unlock(&devc->lock); |
| ad1848_trigger(dev, 0); |
| |
| if (mode & OPEN_READ) |
| devc->record_dev = dev; |
| if (mode & OPEN_WRITE) |
| devc->playback_dev = dev; |
| /* |
| * Mute output until the playback really starts. This decreases clicking (hope so). |
| */ |
| spin_lock_irqsave(&devc->lock,flags); |
| ad_mute(devc); |
| spin_unlock_irqrestore(&devc->lock,flags); |
| |
| return 0; |
| } |
| |
| static void ad1848_close(int dev) |
| { |
| unsigned long flags; |
| ad1848_info *devc = (ad1848_info *) audio_devs[dev]->devc; |
| ad1848_port_info *portc = (ad1848_port_info *) audio_devs[dev]->portc; |
| |
| DEB(printk("ad1848_close(void)\n")); |
| |
| devc->intr_active = 0; |
| ad1848_halt(dev); |
| |
| spin_lock_irqsave(&devc->lock,flags); |
| |
| devc->audio_mode = 0; |
| devc->open_mode &= ~portc->open_mode; |
| portc->open_mode = 0; |
| |
| ad_unmute(devc); |
| spin_unlock_irqrestore(&devc->lock,flags); |
| } |
| |
| static void ad1848_output_block(int dev, unsigned long buf, int count, int intrflag) |
| { |
| unsigned long flags, cnt; |
| ad1848_info *devc = (ad1848_info *) audio_devs[dev]->devc; |
| ad1848_port_info *portc = (ad1848_port_info *) audio_devs[dev]->portc; |
| |
| cnt = count; |
| |
| if (portc->audio_format == AFMT_IMA_ADPCM) |
| { |
| cnt /= 4; |
| } |
| else |
| { |
| if (portc->audio_format & (AFMT_S16_LE | AFMT_S16_BE)) /* 16 bit data */ |
| cnt >>= 1; |
| } |
| if (portc->channels > 1) |
| cnt >>= 1; |
| cnt--; |
| |
| if ((devc->audio_mode & PCM_ENABLE_OUTPUT) && (audio_devs[dev]->flags & DMA_AUTOMODE) && |
| intrflag && |
| cnt == devc->xfer_count) |
| { |
| devc->audio_mode |= PCM_ENABLE_OUTPUT; |
| devc->intr_active = 1; |
| return; /* |
| * Auto DMA mode on. No need to react |
| */ |
| } |
| spin_lock_irqsave(&devc->lock,flags); |
| |
| ad_write(devc, 15, (unsigned char) (cnt & 0xff)); |
| ad_write(devc, 14, (unsigned char) ((cnt >> 8) & 0xff)); |
| |
| devc->xfer_count = cnt; |
| devc->audio_mode |= PCM_ENABLE_OUTPUT; |
| devc->intr_active = 1; |
| spin_unlock_irqrestore(&devc->lock,flags); |
| } |
| |
| static void ad1848_start_input(int dev, unsigned long buf, int count, int intrflag) |
| { |
| unsigned long flags, cnt; |
| ad1848_info *devc = (ad1848_info *) audio_devs[dev]->devc; |
| ad1848_port_info *portc = (ad1848_port_info *) audio_devs[dev]->portc; |
| |
| cnt = count; |
| if (portc->audio_format == AFMT_IMA_ADPCM) |
| { |
| cnt /= 4; |
| } |
| else |
| { |
| if (portc->audio_format & (AFMT_S16_LE | AFMT_S16_BE)) /* 16 bit data */ |
| cnt >>= 1; |
| } |
| if (portc->channels > 1) |
| cnt >>= 1; |
| cnt--; |
| |
| if ((devc->audio_mode & PCM_ENABLE_INPUT) && (audio_devs[dev]->flags & DMA_AUTOMODE) && |
| intrflag && |
| cnt == devc->xfer_count) |
| { |
| devc->audio_mode |= PCM_ENABLE_INPUT; |
| devc->intr_active = 1; |
| return; /* |
| * Auto DMA mode on. No need to react |
| */ |
| } |
| spin_lock_irqsave(&devc->lock,flags); |
| |
| if (devc->model == MD_1848) |
| { |
| ad_write(devc, 15, (unsigned char) (cnt & 0xff)); |
| ad_write(devc, 14, (unsigned char) ((cnt >> 8) & 0xff)); |
| } |
| else |
| { |
| ad_write(devc, 31, (unsigned char) (cnt & 0xff)); |
| ad_write(devc, 30, (unsigned char) ((cnt >> 8) & 0xff)); |
| } |
| |
| ad_unmute(devc); |
| |
| devc->xfer_count = cnt; |
| devc->audio_mode |= PCM_ENABLE_INPUT; |
| devc->intr_active = 1; |
| spin_unlock_irqrestore(&devc->lock,flags); |
| } |
| |
| static int ad1848_prepare_for_output(int dev, int bsize, int bcount) |
| { |
| int timeout; |
| unsigned char fs, old_fs, tmp = 0; |
| unsigned long flags; |
| ad1848_info *devc = (ad1848_info *) audio_devs[dev]->devc; |
| ad1848_port_info *portc = (ad1848_port_info *) audio_devs[dev]->portc; |
| |
| ad_mute(devc); |
| |
| spin_lock_irqsave(&devc->lock,flags); |
| fs = portc->speed_bits | (portc->format_bits << 5); |
| |
| if (portc->channels > 1) |
| fs |= 0x10; |
| |
| ad_enter_MCE(devc); /* Enables changes to the format select reg */ |
| |
| if (devc->model == MD_1845 || devc->model == MD_1845_SSCAPE) /* Use alternate speed select registers */ |
| { |
| fs &= 0xf0; /* Mask off the rate select bits */ |
| |
| ad_write(devc, 22, (portc->speed >> 8) & 0xff); /* Speed MSB */ |
| ad_write(devc, 23, portc->speed & 0xff); /* Speed LSB */ |
| } |
| old_fs = ad_read(devc, 8); |
| |
| if (devc->model == MD_4232 || devc->model >= MD_4236) |
| { |
| tmp = ad_read(devc, 16); |
| ad_write(devc, 16, tmp | 0x30); |
| } |
| if (devc->model == MD_IWAVE) |
| ad_write(devc, 17, 0xc2); /* Disable variable frequency select */ |
| |
| ad_write(devc, 8, fs); |
| |
| /* |
| * Write to I8 starts resynchronization. Wait until it completes. |
| */ |
| |
| timeout = 0; |
| while (timeout < 100 && inb(devc->base) != 0x80) |
| timeout++; |
| timeout = 0; |
| while (timeout < 10000 && inb(devc->base) == 0x80) |
| timeout++; |
| |
| if (devc->model >= MD_4232) |
| ad_write(devc, 16, tmp & ~0x30); |
| |
| ad_leave_MCE(devc); /* |
| * Starts the calibration process. |
| */ |
| spin_unlock_irqrestore(&devc->lock,flags); |
| devc->xfer_count = 0; |
| |
| #ifndef EXCLUDE_TIMERS |
| if (dev == timer_installed && devc->timer_running) |
| if ((fs & 0x01) != (old_fs & 0x01)) |
| { |
| ad1848_tmr_reprogram(dev); |
| } |
| #endif |
| ad1848_halt_output(dev); |
| return 0; |
| } |
| |
| static int ad1848_prepare_for_input(int dev, int bsize, int bcount) |
| { |
| int timeout; |
| unsigned char fs, old_fs, tmp = 0; |
| unsigned long flags; |
| ad1848_info *devc = (ad1848_info *) audio_devs[dev]->devc; |
| ad1848_port_info *portc = (ad1848_port_info *) audio_devs[dev]->portc; |
| |
| if (devc->audio_mode) |
| return 0; |
| |
| spin_lock_irqsave(&devc->lock,flags); |
| fs = portc->speed_bits | (portc->format_bits << 5); |
| |
| if (portc->channels > 1) |
| fs |= 0x10; |
| |
| ad_enter_MCE(devc); /* Enables changes to the format select reg */ |
| |
| if ((devc->model == MD_1845) || (devc->model == MD_1845_SSCAPE)) /* Use alternate speed select registers */ |
| { |
| fs &= 0xf0; /* Mask off the rate select bits */ |
| |
| ad_write(devc, 22, (portc->speed >> 8) & 0xff); /* Speed MSB */ |
| ad_write(devc, 23, portc->speed & 0xff); /* Speed LSB */ |
| } |
| if (devc->model == MD_4232) |
| { |
| tmp = ad_read(devc, 16); |
| ad_write(devc, 16, tmp | 0x30); |
| } |
| if (devc->model == MD_IWAVE) |
| ad_write(devc, 17, 0xc2); /* Disable variable frequency select */ |
| |
| /* |
| * If mode >= 2 (CS4231), set I28. It's the capture format register. |
| */ |
| |
| if (devc->model != MD_1848) |
| { |
| old_fs = ad_read(devc, 28); |
| ad_write(devc, 28, fs); |
| |
| /* |
| * Write to I28 starts resynchronization. Wait until it completes. |
| */ |
| |
| timeout = 0; |
| while (timeout < 100 && inb(devc->base) != 0x80) |
| timeout++; |
| |
| timeout = 0; |
| while (timeout < 10000 && inb(devc->base) == 0x80) |
| timeout++; |
| |
| if (devc->model != MD_1848 && devc->model != MD_1845 && devc->model != MD_1845_SSCAPE) |
| { |
| /* |
| * CS4231 compatible devices don't have separate sampling rate selection |
| * register for recording an playback. The I8 register is shared so we have to |
| * set the speed encoding bits of it too. |
| */ |
| unsigned char tmp = portc->speed_bits | (ad_read(devc, 8) & 0xf0); |
| |
| ad_write(devc, 8, tmp); |
| /* |
| * Write to I8 starts resynchronization. Wait until it completes. |
| */ |
| timeout = 0; |
| while (timeout < 100 && inb(devc->base) != 0x80) |
| timeout++; |
| |
| timeout = 0; |
| while (timeout < 10000 && inb(devc->base) == 0x80) |
| timeout++; |
| } |
| } |
| else |
| { /* For AD1848 set I8. */ |
| |
| old_fs = ad_read(devc, 8); |
| ad_write(devc, 8, fs); |
| /* |
| * Write to I8 starts resynchronization. Wait until it completes. |
| */ |
| timeout = 0; |
| while (timeout < 100 && inb(devc->base) != 0x80) |
| timeout++; |
| timeout = 0; |
| while (timeout < 10000 && inb(devc->base) == 0x80) |
| timeout++; |
| } |
| |
| if (devc->model == MD_4232) |
| ad_write(devc, 16, tmp & ~0x30); |
| |
| ad_leave_MCE(devc); /* |
| * Starts the calibration process. |
| */ |
| spin_unlock_irqrestore(&devc->lock,flags); |
| devc->xfer_count = 0; |
| |
| #ifndef EXCLUDE_TIMERS |
| if (dev == timer_installed && devc->timer_running) |
| { |
| if ((fs & 0x01) != (old_fs & 0x01)) |
| { |
| ad1848_tmr_reprogram(dev); |
| } |
| } |
| #endif |
| ad1848_halt_input(dev); |
| return 0; |
| } |
| |
| static void ad1848_halt(int dev) |
| { |
| ad1848_info *devc = (ad1848_info *) audio_devs[dev]->devc; |
| ad1848_port_info *portc = (ad1848_port_info *) audio_devs[dev]->portc; |
| |
| unsigned char bits = ad_read(devc, 9); |
| |
| if (bits & 0x01 && (portc->open_mode & OPEN_WRITE)) |
| ad1848_halt_output(dev); |
| |
| if (bits & 0x02 && (portc->open_mode & OPEN_READ)) |
| ad1848_halt_input(dev); |
| devc->audio_mode = 0; |
| } |
| |
| static void ad1848_halt_input(int dev) |
| { |
| ad1848_info *devc = (ad1848_info *) audio_devs[dev]->devc; |
| unsigned long flags; |
| |
| if (!(ad_read(devc, 9) & 0x02)) |
| return; /* Capture not enabled */ |
| |
| spin_lock_irqsave(&devc->lock,flags); |
| |
| ad_mute(devc); |
| |
| { |
| int tmout; |
| |
| if(!isa_dma_bridge_buggy) |
| disable_dma(audio_devs[dev]->dmap_in->dma); |
| |
| for (tmout = 0; tmout < 100000; tmout++) |
| if (ad_read(devc, 11) & 0x10) |
| break; |
| ad_write(devc, 9, ad_read(devc, 9) & ~0x02); /* Stop capture */ |
| |
| if(!isa_dma_bridge_buggy) |
| enable_dma(audio_devs[dev]->dmap_in->dma); |
| devc->audio_mode &= ~PCM_ENABLE_INPUT; |
| } |
| |
| outb(0, io_Status(devc)); /* Clear interrupt status */ |
| outb(0, io_Status(devc)); /* Clear interrupt status */ |
| |
| devc->audio_mode &= ~PCM_ENABLE_INPUT; |
| |
| spin_unlock_irqrestore(&devc->lock,flags); |
| } |
| |
| static void ad1848_halt_output(int dev) |
| { |
| ad1848_info *devc = (ad1848_info *) audio_devs[dev]->devc; |
| unsigned long flags; |
| |
| if (!(ad_read(devc, 9) & 0x01)) |
| return; /* Playback not enabled */ |
| |
| spin_lock_irqsave(&devc->lock,flags); |
| |
| ad_mute(devc); |
| { |
| int tmout; |
| |
| if(!isa_dma_bridge_buggy) |
| disable_dma(audio_devs[dev]->dmap_out->dma); |
| |
| for (tmout = 0; tmout < 100000; tmout++) |
| if (ad_read(devc, 11) & 0x10) |
| break; |
| ad_write(devc, 9, ad_read(devc, 9) & ~0x01); /* Stop playback */ |
| |
| if(!isa_dma_bridge_buggy) |
| enable_dma(audio_devs[dev]->dmap_out->dma); |
| |
| devc->audio_mode &= ~PCM_ENABLE_OUTPUT; |
| } |
| |
| outb((0), io_Status(devc)); /* Clear interrupt status */ |
| outb((0), io_Status(devc)); /* Clear interrupt status */ |
| |
| devc->audio_mode &= ~PCM_ENABLE_OUTPUT; |
| |
| spin_unlock_irqrestore(&devc->lock,flags); |
| } |
| |
| static void ad1848_trigger(int dev, int state) |
| { |
| ad1848_info *devc = (ad1848_info *) audio_devs[dev]->devc; |
| ad1848_port_info *portc = (ad1848_port_info *) audio_devs[dev]->portc; |
| unsigned long flags; |
| unsigned char tmp, old; |
| |
| spin_lock_irqsave(&devc->lock,flags); |
| state &= devc->audio_mode; |
| |
| tmp = old = ad_read(devc, 9); |
| |
| if (portc->open_mode & OPEN_READ) |
| { |
| if (state & PCM_ENABLE_INPUT) |
| tmp |= 0x02; |
| else |
| tmp &= ~0x02; |
| } |
| if (portc->open_mode & OPEN_WRITE) |
| { |
| if (state & PCM_ENABLE_OUTPUT) |
| tmp |= 0x01; |
| else |
| tmp &= ~0x01; |
| } |
| /* ad_mute(devc); */ |
| if (tmp != old) |
| { |
| ad_write(devc, 9, tmp); |
| ad_unmute(devc); |
| } |
| spin_unlock_irqrestore(&devc->lock,flags); |
| } |
| |
| static void ad1848_init_hw(ad1848_info * devc) |
| { |
| int i; |
| int *init_values; |
| |
| /* |
| * Initial values for the indirect registers of CS4248/AD1848. |
| */ |
| static int init_values_a[] = |
| { |
| 0xa8, 0xa8, 0x08, 0x08, 0x08, 0x08, 0x00, 0x00, |
| 0x00, 0x0c, 0x02, 0x00, 0x8a, 0x01, 0x00, 0x00, |
| |
| /* Positions 16 to 31 just for CS4231/2 and ad1845 */ |
| 0x80, 0x00, 0x10, 0x10, 0x00, 0x00, 0x1f, 0x40, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| }; |
| |
| static int init_values_b[] = |
| { |
| /* |
| Values for the newer chips |
| Some of the register initialization values were changed. In |
| order to get rid of the click that preceded PCM playback, |
| calibration was disabled on the 10th byte. On that same byte, |
| dual DMA was enabled; on the 11th byte, ADC dithering was |
| enabled, since that is theoretically desirable; on the 13th |
| byte, Mode 3 was selected, to enable access to extended |
| registers. |
| */ |
| 0xa8, 0xa8, 0x08, 0x08, 0x08, 0x08, 0x00, 0x00, |
| 0x00, 0x00, 0x06, 0x00, 0xe0, 0x01, 0x00, 0x00, |
| 0x80, 0x00, 0x10, 0x10, 0x00, 0x00, 0x1f, 0x40, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| }; |
| |
| /* |
| * Select initialisation data |
| */ |
| |
| init_values = init_values_a; |
| if(devc->model >= MD_4236) |
| init_values = init_values_b; |
| |
| for (i = 0; i < 16; i++) |
| ad_write(devc, i, init_values[i]); |
| |
| |
| ad_mute(devc); /* Initialize some variables */ |
| ad_unmute(devc); /* Leave it unmuted now */ |
| |
| if (devc->model > MD_1848) |
| { |
| if (devc->model == MD_1845_SSCAPE) |
| ad_write(devc, 12, ad_read(devc, 12) | 0x50); |
| else |
| ad_write(devc, 12, ad_read(devc, 12) | 0x40); /* Mode2 = enabled */ |
| |
| if (devc->model == MD_IWAVE) |
| ad_write(devc, 12, 0x6c); /* Select codec mode 3 */ |
| |
| if (devc->model != MD_1845_SSCAPE) |
| for (i = 16; i < 32; i++) |
| ad_write(devc, i, init_values[i]); |
| |
| if (devc->model == MD_IWAVE) |
| ad_write(devc, 16, 0x30); /* Playback and capture counters enabled */ |
| } |
| if (devc->model > MD_1848) |
| { |
| if (devc->audio_flags & DMA_DUPLEX) |
| ad_write(devc, 9, ad_read(devc, 9) & ~0x04); /* Dual DMA mode */ |
| else |
| ad_write(devc, 9, ad_read(devc, 9) | 0x04); /* Single DMA mode */ |
| |
| if (devc->model == MD_1845 || devc->model == MD_1845_SSCAPE) |
| ad_write(devc, 27, ad_read(devc, 27) | 0x08); /* Alternate freq select enabled */ |
| |
| if (devc->model == MD_IWAVE) |
| { /* Some magic Interwave specific initialization */ |
| ad_write(devc, 12, 0x6c); /* Select codec mode 3 */ |
| ad_write(devc, 16, 0x30); /* Playback and capture counters enabled */ |
| ad_write(devc, 17, 0xc2); /* Alternate feature enable */ |
| } |
| } |
| else |
| { |
| devc->audio_flags &= ~DMA_DUPLEX; |
| ad_write(devc, 9, ad_read(devc, 9) | 0x04); /* Single DMA mode */ |
| if (soundpro) |
| ad_write(devc, 12, ad_read(devc, 12) | 0x40); /* Mode2 = enabled */ |
| } |
| |
| outb((0), io_Status(devc)); /* Clear pending interrupts */ |
| |
| /* |
| * Toggle the MCE bit. It completes the initialization phase. |
| */ |
| |
| ad_enter_MCE(devc); /* In case the bit was off */ |
| ad_leave_MCE(devc); |
| |
| ad1848_mixer_reset(devc); |
| } |
| |
| int ad1848_detect(struct resource *ports, int *ad_flags, int *osp) |
| { |
| unsigned char tmp; |
| ad1848_info *devc = &adev_info[nr_ad1848_devs]; |
| unsigned char tmp1 = 0xff, tmp2 = 0xff; |
| int optiC930 = 0; /* OPTi 82C930 flag */ |
| int interwave = 0; |
| int ad1847_flag = 0; |
| int cs4248_flag = 0; |
| int sscape_flag = 0; |
| int io_base = ports->start; |
| |
| int i; |
| |
| DDB(printk("ad1848_detect(%x)\n", io_base)); |
| |
| if (ad_flags) |
| { |
| if (*ad_flags == 0x12345678) |
| { |
| interwave = 1; |
| *ad_flags = 0; |
| } |
| |
| if (*ad_flags == 0x87654321) |
| { |
| sscape_flag = 1; |
| *ad_flags = 0; |
| } |
| |
| if (*ad_flags == 0x12345677) |
| { |
| cs4248_flag = 1; |
| *ad_flags = 0; |
| } |
| } |
| if (nr_ad1848_devs >= MAX_AUDIO_DEV) |
| { |
| printk(KERN_ERR "ad1848 - Too many audio devices\n"); |
| return 0; |
| } |
| spin_lock_init(&devc->lock); |
| devc->base = io_base; |
| devc->irq_ok = 0; |
| devc->timer_running = 0; |
| devc->MCE_bit = 0x40; |
| devc->irq = 0; |
| devc->open_mode = 0; |
| devc->chip_name = devc->name = "AD1848"; |
| devc->model = MD_1848; /* AD1848 or CS4248 */ |
| devc->levels = NULL; |
| devc->debug_flag = 0; |
| |
| /* |
| * Check that the I/O address is in use. |
| * |
| * The bit 0x80 of the base I/O port is known to be 0 after the |
| * chip has performed its power on initialization. Just assume |
| * this has happened before the OS is starting. |
| * |
| * If the I/O address is unused, it typically returns 0xff. |
| */ |
| |
| if (inb(devc->base) == 0xff) |
| { |
| DDB(printk("ad1848_detect: The base I/O address appears to be dead\n")); |
| } |
| |
| /* |
| * Wait for the device to stop initialization |
| */ |
| |
| DDB(printk("ad1848_detect() - step 0\n")); |
| |
| for (i = 0; i < 10000000; i++) |
| { |
| unsigned char x = inb(devc->base); |
| |
| if (x == 0xff || !(x & 0x80)) |
| break; |
| } |
| |
| DDB(printk("ad1848_detect() - step A\n")); |
| |
| if (inb(devc->base) == 0x80) /* Not ready. Let's wait */ |
| ad_leave_MCE(devc); |
| |
| if ((inb(devc->base) & 0x80) != 0x00) /* Not a AD1848 */ |
| { |
| DDB(printk("ad1848 detect error - step A (%02x)\n", (int) inb(devc->base))); |
| return 0; |
| } |
| |
| /* |
| * Test if it's possible to change contents of the indirect registers. |
| * Registers 0 and 1 are ADC volume registers. The bit 0x10 is read only |
| * so try to avoid using it. |
| */ |
| |
| DDB(printk("ad1848_detect() - step B\n")); |
| ad_write(devc, 0, 0xaa); |
| ad_write(devc, 1, 0x45); /* 0x55 with bit 0x10 clear */ |
| |
| if ((tmp1 = ad_read(devc, 0)) != 0xaa || (tmp2 = ad_read(devc, 1)) != 0x45) |
| { |
| if (tmp2 == 0x65) /* AD1847 has couple of bits hardcoded to 1 */ |
| ad1847_flag = 1; |
| else |
| { |
| DDB(printk("ad1848 detect error - step B (%x/%x)\n", tmp1, tmp2)); |
| return 0; |
| } |
| } |
| DDB(printk("ad1848_detect() - step C\n")); |
| ad_write(devc, 0, 0x45); |
| ad_write(devc, 1, 0xaa); |
| |
| if ((tmp1 = ad_read(devc, 0)) != 0x45 || (tmp2 = ad_read(devc, 1)) != 0xaa) |
| { |
| if (tmp2 == 0x8a) /* AD1847 has few bits hardcoded to 1 */ |
| ad1847_flag = 1; |
| else |
| { |
| DDB(printk("ad1848 detect error - step C (%x/%x)\n", tmp1, tmp2)); |
| return 0; |
| } |
| } |
| |
| /* |
| * The indirect register I12 has some read only bits. Let's |
| * try to change them. |
| */ |
| |
| DDB(printk("ad1848_detect() - step D\n")); |
| tmp = ad_read(devc, 12); |
| ad_write(devc, 12, (~tmp) & 0x0f); |
| |
| if ((tmp & 0x0f) != ((tmp1 = ad_read(devc, 12)) & 0x0f)) |
| { |
| DDB(printk("ad1848 detect error - step D (%x)\n", tmp1)); |
| return 0; |
| } |
| |
| /* |
| * NOTE! Last 4 bits of the reg I12 tell the chip revision. |
| * 0x01=RevB and 0x0A=RevC. |
| */ |
| |
| /* |
| * The original AD1848/CS4248 has just 15 indirect registers. This means |
| * that I0 and I16 should return the same value (etc.). |
| * However this doesn't work with CS4248. Actually it seems to be impossible |
| * to detect if the chip is a CS4231 or CS4248. |
| * Ensure that the Mode2 enable bit of I12 is 0. Otherwise this test fails |
| * with CS4231. |
| */ |
| |
| /* |
| * OPTi 82C930 has mode2 control bit in another place. This test will fail |
| * with it. Accept this situation as a possible indication of this chip. |
| */ |
| |
| DDB(printk("ad1848_detect() - step F\n")); |
| ad_write(devc, 12, 0); /* Mode2=disabled */ |
| |
| for (i = 0; i < 16; i++) |
| { |
| if ((tmp1 = ad_read(devc, i)) != (tmp2 = ad_read(devc, i + 16))) |
| { |
| DDB(printk("ad1848 detect step F(%d/%x/%x) - OPTi chip???\n", i, tmp1, tmp2)); |
| if (!ad1847_flag) |
| optiC930 = 1; |
| break; |
| } |
| } |
| |
| /* |
| * Try to switch the chip to mode2 (CS4231) by setting the MODE2 bit (0x40). |
| * The bit 0x80 is always 1 in CS4248 and CS4231. |
| */ |
| |
| DDB(printk("ad1848_detect() - step G\n")); |
| |
| if (ad_flags && *ad_flags == 400) |
| *ad_flags = 0; |
| else |
| ad_write(devc, 12, 0x40); /* Set mode2, clear 0x80 */ |
| |
| |
| if (ad_flags) |
| *ad_flags = 0; |
| |
| tmp1 = ad_read(devc, 12); |
| if (tmp1 & 0x80) |
| { |
| if (ad_flags) |
| *ad_flags |= AD_F_CS4248; |
| |
| devc->chip_name = "CS4248"; /* Our best knowledge just now */ |
| } |
| if (optiC930 || (tmp1 & 0xc0) == (0x80 | 0x40)) |
| { |
| /* |
| * CS4231 detected - is it? |
| * |
| * Verify that setting I0 doesn't change I16. |
| */ |
| |
| DDB(printk("ad1848_detect() - step H\n")); |
| ad_write(devc, 16, 0); /* Set I16 to known value */ |
| |
| ad_write(devc, 0, 0x45); |
| if ((tmp1 = ad_read(devc, 16)) != 0x45) /* No change -> CS4231? */ |
| { |
| ad_write(devc, 0, 0xaa); |
| if ((tmp1 = ad_read(devc, 16)) == 0xaa) /* Rotten bits? */ |
| { |
| DDB(printk("ad1848 detect error - step H(%x)\n", tmp1)); |
| return 0; |
| } |
| |
| /* |
| * Verify that some bits of I25 are read only. |
| */ |
| |
| DDB(printk("ad1848_detect() - step I\n")); |
| tmp1 = ad_read(devc, 25); /* Original bits */ |
| ad_write(devc, 25, ~tmp1); /* Invert all bits */ |
| if ((ad_read(devc, 25) & 0xe7) == (tmp1 & 0xe7)) |
| { |
| int id; |
| |
| /* |
| * It's at least CS4231 |
| */ |
| |
| devc->chip_name = "CS4231"; |
| devc->model = MD_4231; |
| |
| /* |
| * It could be an AD1845 or CS4231A as well. |
| * CS4231 and AD1845 report the same revision info in I25 |
| * while the CS4231A reports different. |
| */ |
| |
| id = ad_read(devc, 25); |
| if ((id & 0xe7) == 0x80) /* Device busy??? */ |
| id = ad_read(devc, 25); |
| if ((id & 0xe7) == 0x80) /* Device still busy??? */ |
| id = ad_read(devc, 25); |
| DDB(printk("ad1848_detect() - step J (%02x/%02x)\n", id, ad_read(devc, 25))); |
| |
| if ((id & 0xe7) == 0x80) { |
| /* |
| * It must be a CS4231 or AD1845. The register I23 of |
| * CS4231 is undefined and it appears to be read only. |
| * AD1845 uses I23 for setting sample rate. Assume |
| * the chip is AD1845 if I23 is changeable. |
| */ |
| |
| unsigned char tmp = ad_read(devc, 23); |
| ad_write(devc, 23, ~tmp); |
| |
| if (interwave) |
| { |
| devc->model = MD_IWAVE; |
| devc->chip_name = "IWave"; |
| } |
| else if (ad_read(devc, 23) != tmp) /* AD1845 ? */ |
| { |
| devc->chip_name = "AD1845"; |
| devc->model = MD_1845; |
| } |
| else if (cs4248_flag) |
| { |
| if (ad_flags) |
| *ad_flags |= AD_F_CS4248; |
| devc->chip_name = "CS4248"; |
| devc->model = MD_1848; |
| ad_write(devc, 12, ad_read(devc, 12) & ~0x40); /* Mode2 off */ |
| } |
| ad_write(devc, 23, tmp); /* Restore */ |
| } |
| else |
| { |
| switch (id & 0x1f) { |
| case 3: /* CS4236/CS4235/CS42xB/CS4239 */ |
| { |
| int xid; |
| ad_write(devc, 12, ad_read(devc, 12) | 0x60); /* switch to mode 3 */ |
| ad_write(devc, 23, 0x9c); /* select extended register 25 */ |
| xid = inb(io_Indexed_Data(devc)); |
| ad_write(devc, 12, ad_read(devc, 12) & ~0x60); /* back to mode 0 */ |
| switch (xid & 0x1f) |
| { |
| case 0x00: |
| devc->chip_name = "CS4237B(B)"; |
| devc->model = MD_42xB; |
| break; |
| case 0x08: |
| /* Seems to be a 4238 ?? */ |
| devc->chip_name = "CS4238"; |
| devc->model = MD_42xB; |
| break; |
| case 0x09: |
| devc->chip_name = "CS4238B"; |
| devc->model = MD_42xB; |
| break; |
| case 0x0b: |
| devc->chip_name = "CS4236B"; |
| devc->model = MD_4236; |
| break; |
| case 0x10: |
| devc->chip_name = "CS4237B"; |
| devc->model = MD_42xB; |
| break; |
| case 0x1d: |
| devc->chip_name = "CS4235"; |
| devc->model = MD_4235; |
| break; |
| case 0x1e: |
| devc->chip_name = "CS4239"; |
| devc->model = MD_4239; |
| break; |
| default: |
| printk("Chip ident is %X.\n", xid&0x1F); |
| devc->chip_name = "CS42xx"; |
| devc->model = MD_4232; |
| break; |
| } |
| } |
| break; |
| |
| case 2: /* CS4232/CS4232A */ |
| devc->chip_name = "CS4232"; |
| devc->model = MD_4232; |
| break; |
| |
| case 0: |
| if ((id & 0xe0) == 0xa0) |
| { |
| devc->chip_name = "CS4231A"; |
| devc->model = MD_4231A; |
| } |
| else |
| { |
| devc->chip_name = "CS4321"; |
| devc->model = MD_4231; |
| } |
| break; |
| |
| default: /* maybe */ |
| DDB(printk("ad1848: I25 = %02x/%02x\n", ad_read(devc, 25), ad_read(devc, 25) & 0xe7)); |
| if (optiC930) |
| { |
| devc->chip_name = "82C930"; |
| devc->model = MD_C930; |
| } |
| else |
| { |
| devc->chip_name = "CS4231"; |
| devc->model = MD_4231; |
| } |
| } |
| } |
| } |
| ad_write(devc, 25, tmp1); /* Restore bits */ |
| |
| DDB(printk("ad1848_detect() - step K\n")); |
| } |
| } else if (tmp1 == 0x0a) { |
| /* |
| * Is it perhaps a SoundPro CMI8330? |
| * If so, then we should be able to change indirect registers |
| * greater than I15 after activating MODE2, even though reading |
| * back I12 does not show it. |
| */ |
| |
| /* |
| * Let's try comparing register values |
| */ |
| for (i = 0; i < 16; i++) { |
| if ((tmp1 = ad_read(devc, i)) != (tmp2 = ad_read(devc, i + 16))) { |
| DDB(printk("ad1848 detect step H(%d/%x/%x) - SoundPro chip?\n", i, tmp1, tmp2)); |
| soundpro = 1; |
| devc->chip_name = "SoundPro CMI 8330"; |
| break; |
| } |
| } |
| } |
| |
| DDB(printk("ad1848_detect() - step L\n")); |
| if (ad_flags) |
| { |
| if (devc->model != MD_1848) |
| *ad_flags |= AD_F_CS4231; |
| } |
| DDB(printk("ad1848_detect() - Detected OK\n")); |
| |
| if (devc->model == MD_1848 && ad1847_flag) |
| devc->chip_name = "AD1847"; |
| |
| |
| if (sscape_flag == 1) |
| devc->model = MD_1845_SSCAPE; |
| |
| return 1; |
| } |
| |
| int ad1848_init (char *name, struct resource *ports, int irq, int dma_playback, |
| int dma_capture, int share_dma, int *osp, struct module *owner) |
| { |
| /* |
| * NOTE! If irq < 0, there is another driver which has allocated the IRQ |
| * so that this driver doesn't need to allocate/deallocate it. |
| * The actually used IRQ is ABS(irq). |
| */ |
| |
| int my_dev; |
| char dev_name[100]; |
| int e; |
| |
| ad1848_info *devc = &adev_info[nr_ad1848_devs]; |
| |
| ad1848_port_info *portc = NULL; |
| |
| devc->irq = (irq > 0) ? irq : 0; |
| devc->open_mode = 0; |
| devc->timer_ticks = 0; |
| devc->dma1 = dma_playback; |
| devc->dma2 = dma_capture; |
| devc->subtype = cfg.card_subtype; |
| devc->audio_flags = DMA_AUTOMODE; |
| devc->playback_dev = devc->record_dev = 0; |
| if (name != NULL) |
| devc->name = name; |
| |
| if (name != NULL && name[0] != 0) |
| sprintf(dev_name, |
| "%s (%s)", name, devc->chip_name); |
| else |
| sprintf(dev_name, |
| "Generic audio codec (%s)", devc->chip_name); |
| |
| rename_region(ports, devc->name); |
| |
| conf_printf2(dev_name, devc->base, devc->irq, dma_playback, dma_capture); |
| |
| if (devc->model == MD_1848 || devc->model == MD_C930) |
| devc->audio_flags |= DMA_HARDSTOP; |
| |
| if (devc->model > MD_1848) |
| { |
| if (devc->dma1 == devc->dma2 || devc->dma2 == -1 || devc->dma1 == -1) |
| devc->audio_flags &= ~DMA_DUPLEX; |
| else |
| devc->audio_flags |= DMA_DUPLEX; |
| } |
| |
| portc = kmalloc(sizeof(ad1848_port_info), GFP_KERNEL); |
| if(portc==NULL) { |
| release_region(devc->base, 4); |
| return -1; |
| } |
| |
| if ((my_dev = sound_install_audiodrv(AUDIO_DRIVER_VERSION, |
| dev_name, |
| &ad1848_audio_driver, |
| sizeof(struct audio_driver), |
| devc->audio_flags, |
| ad_format_mask[devc->model], |
| devc, |
| dma_playback, |
| dma_capture)) < 0) |
| { |
| release_region(devc->base, 4); |
| kfree(portc); |
| return -1; |
| } |
| |
| audio_devs[my_dev]->portc = portc; |
| audio_devs[my_dev]->mixer_dev = -1; |
| if (owner) |
| audio_devs[my_dev]->d->owner = owner; |
| memset((char *) portc, 0, sizeof(*portc)); |
| |
| nr_ad1848_devs++; |
| |
| ad1848_init_hw(devc); |
| |
| if (irq > 0) |
| { |
| devc->dev_no = my_dev; |
| if (request_irq(devc->irq, adintr, 0, devc->name, |
| (void *)(long)my_dev) < 0) |
| { |
| printk(KERN_WARNING "ad1848: Unable to allocate IRQ\n"); |
| /* Don't free it either then.. */ |
| devc->irq = 0; |
| } |
| if (capabilities[devc->model].flags & CAP_F_TIMER) |
| { |
| #ifndef CONFIG_SMP |
| int x; |
| unsigned char tmp = ad_read(devc, 16); |
| #endif |
| |
| devc->timer_ticks = 0; |
| |
| ad_write(devc, 21, 0x00); /* Timer MSB */ |
| ad_write(devc, 20, 0x10); /* Timer LSB */ |
| #ifndef CONFIG_SMP |
| ad_write(devc, 16, tmp | 0x40); /* Enable timer */ |
| for (x = 0; x < 100000 && devc->timer_ticks == 0; x++); |
| ad_write(devc, 16, tmp & ~0x40); /* Disable timer */ |
| |
| if (devc->timer_ticks == 0) |
| printk(KERN_WARNING "ad1848: Interrupt test failed (IRQ%d)\n", irq); |
| else |
| { |
| DDB(printk("Interrupt test OK\n")); |
| devc->irq_ok = 1; |
| } |
| #else |
| devc->irq_ok = 1; |
| #endif |
| } |
| else |
| devc->irq_ok = 1; /* Couldn't test. assume it's OK */ |
| } else if (irq < 0) |
| irq2dev[-irq] = devc->dev_no = my_dev; |
| |
| #ifndef EXCLUDE_TIMERS |
| if ((capabilities[devc->model].flags & CAP_F_TIMER) && |
| devc->irq_ok) |
| ad1848_tmr_install(my_dev); |
| #endif |
| |
| if (!share_dma) |
| { |
| if (sound_alloc_dma(dma_playback, devc->name)) |
| printk(KERN_WARNING "ad1848.c: Can't allocate DMA%d\n", dma_playback); |
| |
| if (dma_capture != dma_playback) |
| if (sound_alloc_dma(dma_capture, devc->name)) |
| printk(KERN_WARNING "ad1848.c: Can't allocate DMA%d\n", dma_capture); |
| } |
| |
| if ((e = sound_install_mixer(MIXER_DRIVER_VERSION, |
| dev_name, |
| &ad1848_mixer_operations, |
| sizeof(struct mixer_operations), |
| devc)) >= 0) |
| { |
| audio_devs[my_dev]->mixer_dev = e; |
| if (owner) |
| mixer_devs[e]->owner = owner; |
| } |
| return my_dev; |
| } |
| |
| int ad1848_control(int cmd, int arg) |
| { |
| ad1848_info *devc; |
| unsigned long flags; |
| |
| if (nr_ad1848_devs < 1) |
| return -ENODEV; |
| |
| devc = &adev_info[nr_ad1848_devs - 1]; |
| |
| switch (cmd) |
| { |
| case AD1848_SET_XTAL: /* Change clock frequency of AD1845 (only ) */ |
| if (devc->model != MD_1845 && devc->model != MD_1845_SSCAPE) |
| return -EINVAL; |
| spin_lock_irqsave(&devc->lock,flags); |
| ad_enter_MCE(devc); |
| ad_write(devc, 29, (ad_read(devc, 29) & 0x1f) | (arg << 5)); |
| ad_leave_MCE(devc); |
| spin_unlock_irqrestore(&devc->lock,flags); |
| break; |
| |
| case AD1848_MIXER_REROUTE: |
| { |
| int o = (arg >> 8) & 0xff; |
| int n = arg & 0xff; |
| |
| if (o < 0 || o >= SOUND_MIXER_NRDEVICES) |
| return -EINVAL; |
| |
| if (!(devc->supported_devices & (1 << o)) && |
| !(devc->supported_rec_devices & (1 << o))) |
| return -EINVAL; |
| |
| if (n == SOUND_MIXER_NONE) |
| { /* Just hide this control */ |
| ad1848_mixer_set(devc, o, 0); /* Shut up it */ |
| devc->supported_devices &= ~(1 << o); |
| devc->supported_rec_devices &= ~(1 << o); |
| break; |
| } |
| |
| /* Make the mixer control identified by o to appear as n */ |
| if (n < 0 || n >= SOUND_MIXER_NRDEVICES) |
| return -EINVAL; |
| |
| devc->mixer_reroute[n] = o; /* Rename the control */ |
| if (devc->supported_devices & (1 << o)) |
| devc->supported_devices |= (1 << n); |
| if (devc->supported_rec_devices & (1 << o)) |
| devc->supported_rec_devices |= (1 << n); |
| |
| devc->supported_devices &= ~(1 << o); |
| devc->supported_rec_devices &= ~(1 << o); |
| } |
| break; |
| } |
| return 0; |
| } |
| |
| void ad1848_unload(int io_base, int irq, int dma_playback, int dma_capture, int share_dma) |
| { |
| int i, mixer, dev = 0; |
| ad1848_info *devc = NULL; |
| |
| for (i = 0; devc == NULL && i < nr_ad1848_devs; i++) |
| { |
| if (adev_info[i].base == io_base) |
| { |
| devc = &adev_info[i]; |
| dev = devc->dev_no; |
| } |
| } |
| |
| if (devc != NULL) |
| { |
| kfree(audio_devs[dev]->portc); |
| release_region(devc->base, 4); |
| |
| if (!share_dma) |
| { |
| if (devc->irq > 0) /* There is no point in freeing irq, if it wasn't allocated */ |
| free_irq(devc->irq, (void *)(long)devc->dev_no); |
| |
| sound_free_dma(dma_playback); |
| |
| if (dma_playback != dma_capture) |
| sound_free_dma(dma_capture); |
| |
| } |
| mixer = audio_devs[devc->dev_no]->mixer_dev; |
| if(mixer>=0) |
| sound_unload_mixerdev(mixer); |
| |
| nr_ad1848_devs--; |
| for ( ; i < nr_ad1848_devs ; i++) |
| adev_info[i] = adev_info[i+1]; |
| } |
| else |
| printk(KERN_ERR "ad1848: Can't find device to be unloaded. Base=%x\n", io_base); |
| } |
| |
| static irqreturn_t adintr(int irq, void *dev_id) |
| { |
| unsigned char status; |
| ad1848_info *devc; |
| int dev; |
| int alt_stat = 0xff; |
| unsigned char c930_stat = 0; |
| int cnt = 0; |
| |
| dev = (long)dev_id; |
| devc = (ad1848_info *) audio_devs[dev]->devc; |
| |
| interrupt_again: /* Jump back here if int status doesn't reset */ |
| |
| status = inb(io_Status(devc)); |
| |
| if (status == 0x80) |
| printk(KERN_DEBUG "adintr: Why?\n"); |
| if (devc->model == MD_1848) |
| outb((0), io_Status(devc)); /* Clear interrupt status */ |
| |
| if (status & 0x01) |
| { |
| if (devc->model == MD_C930) |
| { /* 82C930 has interrupt status register in MAD16 register MC11 */ |
| |
| spin_lock(&devc->lock); |
| |
| /* 0xe0e is C930 address port |
| * 0xe0f is C930 data port |
| */ |
| outb(11, 0xe0e); |
| c930_stat = inb(0xe0f); |
| outb((~c930_stat), 0xe0f); |
| |
| spin_unlock(&devc->lock); |
| |
| alt_stat = (c930_stat << 2) & 0x30; |
| } |
| else if (devc->model != MD_1848) |
| { |
| spin_lock(&devc->lock); |
| alt_stat = ad_read(devc, 24); |
| ad_write(devc, 24, ad_read(devc, 24) & ~alt_stat); /* Selective ack */ |
| spin_unlock(&devc->lock); |
| } |
| |
| if ((devc->open_mode & OPEN_READ) && (devc->audio_mode & PCM_ENABLE_INPUT) && (alt_stat & 0x20)) |
| { |
| DMAbuf_inputintr(devc->record_dev); |
| } |
| if ((devc->open_mode & OPEN_WRITE) && (devc->audio_mode & PCM_ENABLE_OUTPUT) && |
| (alt_stat & 0x10)) |
| { |
| DMAbuf_outputintr(devc->playback_dev, 1); |
| } |
| if (devc->model != MD_1848 && (alt_stat & 0x40)) /* Timer interrupt */ |
| { |
| devc->timer_ticks++; |
| #ifndef EXCLUDE_TIMERS |
| if (timer_installed == dev && devc->timer_running) |
| sound_timer_interrupt(); |
| #endif |
| } |
| } |
| /* |
| * Sometimes playback or capture interrupts occur while a timer interrupt |
| * is being handled. The interrupt will not be retriggered if we don't |
| * handle it now. Check if an interrupt is still pending and restart |
| * the handler in this case. |
| */ |
| if (inb(io_Status(devc)) & 0x01 && cnt++ < 4) |
| { |
| goto interrupt_again; |
| } |
| return IRQ_HANDLED; |
| } |
| |
| /* |
| * Experimental initialization sequence for the integrated sound system |
| * of the Compaq Deskpro M. |
| */ |
| |
| static int init_deskpro_m(struct address_info *hw_config) |
| { |
| unsigned char tmp; |
| |
| if ((tmp = inb(0xc44)) == 0xff) |
| { |
| DDB(printk("init_deskpro_m: Dead port 0xc44\n")); |
| return 0; |
| } |
| |
| outb(0x10, 0xc44); |
| outb(0x40, 0xc45); |
| outb(0x00, 0xc46); |
| outb(0xe8, 0xc47); |
| outb(0x14, 0xc44); |
| outb(0x40, 0xc45); |
| outb(0x00, 0xc46); |
| outb(0xe8, 0xc47); |
| outb(0x10, 0xc44); |
| |
| return 1; |
| } |
| |
| /* |
| * Experimental initialization sequence for the integrated sound system |
| * of Compaq Deskpro XL. |
| */ |
| |
| static int init_deskpro(struct address_info *hw_config) |
| { |
| unsigned char tmp; |
| |
| if ((tmp = inb(0xc44)) == 0xff) |
| { |
| DDB(printk("init_deskpro: Dead port 0xc44\n")); |
| return 0; |
| } |
| outb((tmp | 0x04), 0xc44); /* Select bank 1 */ |
| if (inb(0xc44) != 0x04) |
| { |
| DDB(printk("init_deskpro: Invalid bank1 signature in port 0xc44\n")); |
| return 0; |
| } |
| /* |
| * OK. It looks like a Deskpro so let's proceed. |
| */ |
| |
| /* |
| * I/O port 0xc44 Audio configuration register. |
| * |
| * bits 0xc0: Audio revision bits |
| * 0x00 = Compaq Business Audio |
| * 0x40 = MS Sound System Compatible (reset default) |
| * 0x80 = Reserved |
| * 0xc0 = Reserved |
| * bit 0x20: No Wait State Enable |
| * 0x00 = Disabled (reset default, DMA mode) |
| * 0x20 = Enabled (programmed I/O mode) |
| * bit 0x10: MS Sound System Decode Enable |
| * 0x00 = Decoding disabled (reset default) |
| * 0x10 = Decoding enabled |
| * bit 0x08: FM Synthesis Decode Enable |
| * 0x00 = Decoding Disabled (reset default) |
| * 0x08 = Decoding enabled |
| * bit 0x04 Bank select |
| * 0x00 = Bank 0 |
| * 0x04 = Bank 1 |
| * bits 0x03 MSS Base address |
| * 0x00 = 0x530 (reset default) |
| * 0x01 = 0x604 |
| * 0x02 = 0xf40 |
| * 0x03 = 0xe80 |
| */ |
| |
| #ifdef DEBUGXL |
| /* Debug printing */ |
| printk("Port 0xc44 (before): "); |
| outb((tmp & ~0x04), 0xc44); |
| printk("%02x ", inb(0xc44)); |
| outb((tmp | 0x04), 0xc44); |
| printk("%02x\n", inb(0xc44)); |
| #endif |
| |
| /* Set bank 1 of the register */ |
| tmp = 0x58; /* MSS Mode, MSS&FM decode enabled */ |
| |
| switch (hw_config->io_base) |
| { |
| case 0x530: |
| tmp |= 0x00; |
| break; |
| case 0x604: |
| tmp |= 0x01; |
| break; |
| case 0xf40: |
| tmp |= 0x02; |
| break; |
| case 0xe80: |
| tmp |= 0x03; |
| break; |
| default: |
| DDB(printk("init_deskpro: Invalid MSS port %x\n", hw_config->io_base)); |
| return 0; |
| } |
| outb((tmp & ~0x04), 0xc44); /* Write to bank=0 */ |
| |
| #ifdef DEBUGXL |
| /* Debug printing */ |
| printk("Port 0xc44 (after): "); |
| outb((tmp & ~0x04), 0xc44); /* Select bank=0 */ |
| printk("%02x ", inb(0xc44)); |
| outb((tmp | 0x04), 0xc44); /* Select bank=1 */ |
| printk("%02x\n", inb(0xc44)); |
| #endif |
| |
| /* |
| * I/O port 0xc45 FM Address Decode/MSS ID Register. |
| * |
| * bank=0, bits 0xfe: FM synthesis Decode Compare bits 7:1 (default=0x88) |
| * bank=0, bit 0x01: SBIC Power Control Bit |
| * 0x00 = Powered up |
| * 0x01 = Powered down |
| * bank=1, bits 0xfc: MSS ID (default=0x40) |
| */ |
| |
| #ifdef DEBUGXL |
| /* Debug printing */ |
| printk("Port 0xc45 (before): "); |
| outb((tmp & ~0x04), 0xc44); /* Select bank=0 */ |
| printk("%02x ", inb(0xc45)); |
| outb((tmp | 0x04), 0xc44); /* Select bank=1 */ |
| printk("%02x\n", inb(0xc45)); |
| #endif |
| |
| outb((tmp & ~0x04), 0xc44); /* Select bank=0 */ |
| outb((0x88), 0xc45); /* FM base 7:0 = 0x88 */ |
| outb((tmp | 0x04), 0xc44); /* Select bank=1 */ |
| outb((0x10), 0xc45); /* MSS ID = 0x10 (MSS port returns 0x04) */ |
| |
| #ifdef DEBUGXL |
| /* Debug printing */ |
| printk("Port 0xc45 (after): "); |
| outb((tmp & ~0x04), 0xc44); /* Select bank=0 */ |
| printk("%02x ", inb(0xc45)); |
| outb((tmp | 0x04), 0xc44); /* Select bank=1 */ |
| printk("%02x\n", inb(0xc45)); |
| #endif |
| |
| |
| /* |
| * I/O port 0xc46 FM Address Decode/Address ASIC Revision Register. |
| * |
| * bank=0, bits 0xff: FM synthesis Decode Compare bits 15:8 (default=0x03) |
| * bank=1, bits 0xff: Audio addressing ASIC id |
| */ |
| |
| #ifdef DEBUGXL |
| /* Debug printing */ |
| printk("Port 0xc46 (before): "); |
| outb((tmp & ~0x04), 0xc44); /* Select bank=0 */ |
| printk("%02x ", inb(0xc46)); |
| outb((tmp | 0x04), 0xc44); /* Select bank=1 */ |
| printk("%02x\n", inb(0xc46)); |
| #endif |
| |
| outb((tmp & ~0x04), 0xc44); /* Select bank=0 */ |
| outb((0x03), 0xc46); /* FM base 15:8 = 0x03 */ |
| outb((tmp | 0x04), 0xc44); /* Select bank=1 */ |
| outb((0x11), 0xc46); /* ASIC ID = 0x11 */ |
| |
| #ifdef DEBUGXL |
| /* Debug printing */ |
| printk("Port 0xc46 (after): "); |
| outb((tmp & ~0x04), 0xc44); /* Select bank=0 */ |
| printk("%02x ", inb(0xc46)); |
| outb((tmp | 0x04), 0xc44); /* Select bank=1 */ |
| printk("%02x\n", inb(0xc46)); |
| #endif |
| |
| /* |
| * I/O port 0xc47 FM Address Decode Register. |
| * |
| * bank=0, bits 0xff: Decode enable selection for various FM address bits |
| * bank=1, bits 0xff: Reserved |
| */ |
| |
| #ifdef DEBUGXL |
| /* Debug printing */ |
| printk("Port 0xc47 (before): "); |
| outb((tmp & ~0x04), 0xc44); /* Select bank=0 */ |
| printk("%02x ", inb(0xc47)); |
| outb((tmp | 0x04), 0xc44); /* Select bank=1 */ |
| printk("%02x\n", inb(0xc47)); |
| #endif |
| |
| outb((tmp & ~0x04), 0xc44); /* Select bank=0 */ |
| outb((0x7c), 0xc47); /* FM decode enable bits = 0x7c */ |
| outb((tmp | 0x04), 0xc44); /* Select bank=1 */ |
| outb((0x00), 0xc47); /* Reserved bank1 = 0x00 */ |
| |
| #ifdef DEBUGXL |
| /* Debug printing */ |
| printk("Port 0xc47 (after): "); |
| outb((tmp & ~0x04), 0xc44); /* Select bank=0 */ |
| printk("%02x ", inb(0xc47)); |
| outb((tmp | 0x04), 0xc44); /* Select bank=1 */ |
| printk("%02x\n", inb(0xc47)); |
| #endif |
| |
| /* |
| * I/O port 0xc6f = Audio Disable Function Register |
| */ |
| |
| #ifdef DEBUGXL |
| printk("Port 0xc6f (before) = %02x\n", inb(0xc6f)); |
| #endif |
| |
| outb((0x80), 0xc6f); |
| |
| #ifdef DEBUGXL |
| printk("Port 0xc6f (after) = %02x\n", inb(0xc6f)); |
| #endif |
| |
| return 1; |
| } |
| |
| int probe_ms_sound(struct address_info *hw_config, struct resource *ports) |
| { |
| unsigned char tmp; |
| |
| DDB(printk("Entered probe_ms_sound(%x, %d)\n", hw_config->io_base, hw_config->card_subtype)); |
| |
| if (hw_config->card_subtype == 1) /* Has no IRQ/DMA registers */ |
| { |
| /* check_opl3(0x388, hw_config); */ |
| return ad1848_detect(ports, NULL, hw_config->osp); |
| } |
| |
| if (deskpro_xl && hw_config->card_subtype == 2) /* Compaq Deskpro XL */ |
| { |
| if (!init_deskpro(hw_config)) |
| return 0; |
| } |
| |
| if (deskpro_m) /* Compaq Deskpro M */ |
| { |
| if (!init_deskpro_m(hw_config)) |
| return 0; |
| } |
| |
| /* |
| * Check if the IO port returns valid signature. The original MS Sound |
| * system returns 0x04 while some cards (AudioTrix Pro for example) |
| * return 0x00 or 0x0f. |
| */ |
| |
| if ((tmp = inb(hw_config->io_base + 3)) == 0xff) /* Bus float */ |
| { |
| int ret; |
| |
| DDB(printk("I/O address is inactive (%x)\n", tmp)); |
| if (!(ret = ad1848_detect(ports, NULL, hw_config->osp))) |
| return 0; |
| return 1; |
| } |
| DDB(printk("MSS signature = %x\n", tmp & 0x3f)); |
| if ((tmp & 0x3f) != 0x04 && |
| (tmp & 0x3f) != 0x0f && |
| (tmp & 0x3f) != 0x00) |
| { |
| int ret; |
| |
| MDB(printk(KERN_ERR "No MSS signature detected on port 0x%x (0x%x)\n", hw_config->io_base, (int) inb(hw_config->io_base + 3))); |
| DDB(printk("Trying to detect codec anyway but IRQ/DMA may not work\n")); |
| if (!(ret = ad1848_detect(ports, NULL, hw_config->osp))) |
| return 0; |
| |
| hw_config->card_subtype = 1; |
| return 1; |
| } |
| if ((hw_config->irq != 5) && |
| (hw_config->irq != 7) && |
| (hw_config->irq != 9) && |
| (hw_config->irq != 10) && |
| (hw_config->irq != 11) && |
| (hw_config->irq != 12)) |
| { |
| printk(KERN_ERR "MSS: Bad IRQ %d\n", hw_config->irq); |
| return 0; |
| } |
| if (hw_config->dma != 0 && hw_config->dma != 1 && hw_config->dma != 3) |
| { |
| printk(KERN_ERR "MSS: Bad DMA %d\n", hw_config->dma); |
| return 0; |
| } |
| /* |
| * Check that DMA0 is not in use with a 8 bit board. |
| */ |
| |
| if (hw_config->dma == 0 && inb(hw_config->io_base + 3) & 0x80) |
| { |
| printk(KERN_ERR "MSS: Can't use DMA0 with a 8 bit card/slot\n"); |
| return 0; |
| } |
| if (hw_config->irq > 7 && hw_config->irq != 9 && inb(hw_config->io_base + 3) & 0x80) |
| { |
| printk(KERN_ERR "MSS: Can't use IRQ%d with a 8 bit card/slot\n", hw_config->irq); |
| return 0; |
| } |
| return ad1848_detect(ports, NULL, hw_config->osp); |
| } |
| |
| void attach_ms_sound(struct address_info *hw_config, struct resource *ports, struct module *owner) |
| { |
| static signed char interrupt_bits[12] = |
| { |
| -1, -1, -1, -1, -1, 0x00, -1, 0x08, -1, 0x10, 0x18, 0x20 |
| }; |
| signed char bits; |
| char dma2_bit = 0; |
| |
| static char dma_bits[4] = |
| { |
| 1, 2, 0, 3 |
| }; |
| |
| int config_port = hw_config->io_base + 0; |
| int version_port = hw_config->io_base + 3; |
| int dma = hw_config->dma; |
| int dma2 = hw_config->dma2; |
| |
| if (hw_config->card_subtype == 1) /* Has no IRQ/DMA registers */ |
| { |
| hw_config->slots[0] = ad1848_init("MS Sound System", ports, |
| hw_config->irq, |
| hw_config->dma, |
| hw_config->dma2, 0, |
| hw_config->osp, |
| owner); |
| return; |
| } |
| /* |
| * Set the IRQ and DMA addresses. |
| */ |
| |
| bits = interrupt_bits[hw_config->irq]; |
| if (bits == -1) |
| { |
| printk(KERN_ERR "MSS: Bad IRQ %d\n", hw_config->irq); |
| release_region(ports->start, 4); |
| release_region(ports->start - 4, 4); |
| return; |
| } |
| outb((bits | 0x40), config_port); |
| if ((inb(version_port) & 0x40) == 0) |
| printk(KERN_ERR "[MSS: IRQ Conflict?]\n"); |
| |
| /* |
| * Handle the capture DMA channel |
| */ |
| |
| if (dma2 != -1 && dma2 != dma) |
| { |
| if (!((dma == 0 && dma2 == 1) || |
| (dma == 1 && dma2 == 0) || |
| (dma == 3 && dma2 == 0))) |
| { /* Unsupported combination. Try to swap channels */ |
| int tmp = dma; |
| |
| dma = dma2; |
| dma2 = tmp; |
| } |
| if ((dma == 0 && dma2 == 1) || |
| (dma == 1 && dma2 == 0) || |
| (dma == 3 && dma2 == 0)) |
| { |
| dma2_bit = 0x04; /* Enable capture DMA */ |
| } |
| else |
| { |
| printk(KERN_WARNING "MSS: Invalid capture DMA\n"); |
| dma2 = dma; |
| } |
| } |
| else |
| { |
| dma2 = dma; |
| } |
| |
| hw_config->dma = dma; |
| hw_config->dma2 = dma2; |
| |
| outb((bits | dma_bits[dma] | dma2_bit), config_port); /* Write IRQ+DMA setup */ |
| |
| hw_config->slots[0] = ad1848_init("MS Sound System", ports, |
| hw_config->irq, |
| dma, dma2, 0, |
| hw_config->osp, |
| THIS_MODULE); |
| } |
| |
| void unload_ms_sound(struct address_info *hw_config) |
| { |
| ad1848_unload(hw_config->io_base + 4, |
| hw_config->irq, |
| hw_config->dma, |
| hw_config->dma2, 0); |
| sound_unload_audiodev(hw_config->slots[0]); |
| release_region(hw_config->io_base, 4); |
| } |
| |
| #ifndef EXCLUDE_TIMERS |
| |
| /* |
| * Timer stuff (for /dev/music). |
| */ |
| |
| static unsigned int current_interval; |
| |
| static unsigned int ad1848_tmr_start(int dev, unsigned int usecs) |
| { |
| unsigned long flags; |
| ad1848_info *devc = (ad1848_info *) audio_devs[dev]->devc; |
| unsigned long xtal_nsecs; /* nanoseconds per xtal oscillator tick */ |
| unsigned long divider; |
| |
| spin_lock_irqsave(&devc->lock,flags); |
| |
| /* |
| * Length of the timer interval (in nanoseconds) depends on the |
| * selected crystal oscillator. Check this from bit 0x01 of I8. |
| * |
| * AD1845 has just one oscillator which has cycle time of 10.050 us |
| * (when a 24.576 MHz xtal oscillator is used). |
| * |
| * Convert requested interval to nanoseconds before computing |
| * the timer divider. |
| */ |
| |
| if (devc->model == MD_1845 || devc->model == MD_1845_SSCAPE) |
| xtal_nsecs = 10050; |
| else if (ad_read(devc, 8) & 0x01) |
| xtal_nsecs = 9920; |
| else |
| xtal_nsecs = 9969; |
| |
| divider = (usecs * 1000 + xtal_nsecs / 2) / xtal_nsecs; |
| |
| if (divider < 100) /* Don't allow shorter intervals than about 1ms */ |
| divider = 100; |
| |
| if (divider > 65535) /* Overflow check */ |
| divider = 65535; |
| |
| ad_write(devc, 21, (divider >> 8) & 0xff); /* Set upper bits */ |
| ad_write(devc, 20, divider & 0xff); /* Set lower bits */ |
| ad_write(devc, 16, ad_read(devc, 16) | 0x40); /* Start the timer */ |
| devc->timer_running = 1; |
| spin_unlock_irqrestore(&devc->lock,flags); |
| |
| return current_interval = (divider * xtal_nsecs + 500) / 1000; |
| } |
| |
| static void ad1848_tmr_reprogram(int dev) |
| { |
| /* |
| * Audio driver has changed sampling rate so that a different xtal |
| * oscillator was selected. We have to reprogram the timer rate. |
| */ |
| |
| ad1848_tmr_start(dev, current_interval); |
| sound_timer_syncinterval(current_interval); |
| } |
| |
| static void ad1848_tmr_disable(int dev) |
| { |
| unsigned long flags; |
| ad1848_info *devc = (ad1848_info *) audio_devs[dev]->devc; |
| |
| spin_lock_irqsave(&devc->lock,flags); |
| ad_write(devc, 16, ad_read(devc, 16) & ~0x40); |
| devc->timer_running = 0; |
| spin_unlock_irqrestore(&devc->lock,flags); |
| } |
| |
| static void ad1848_tmr_restart(int dev) |
| { |
| unsigned long flags; |
| ad1848_info *devc = (ad1848_info *) audio_devs[dev]->devc; |
| |
| if (current_interval == 0) |
| return; |
| |
| spin_lock_irqsave(&devc->lock,flags); |
| ad_write(devc, 16, ad_read(devc, 16) | 0x40); |
| devc->timer_running = 1; |
| spin_unlock_irqrestore(&devc->lock,flags); |
| } |
| |
| static struct sound_lowlev_timer ad1848_tmr = |
| { |
| 0, |
| 2, |
| ad1848_tmr_start, |
| ad1848_tmr_disable, |
| ad1848_tmr_restart |
| }; |
| |
| static int ad1848_tmr_install(int dev) |
| { |
| if (timer_installed != -1) |
| return 0; /* Don't install another timer */ |
| |
| timer_installed = ad1848_tmr.dev = dev; |
| sound_timer_init(&ad1848_tmr, audio_devs[dev]->name); |
| |
| return 1; |
| } |
| #endif /* EXCLUDE_TIMERS */ |
| |
| EXPORT_SYMBOL(ad1848_detect); |
| EXPORT_SYMBOL(ad1848_init); |
| EXPORT_SYMBOL(ad1848_unload); |
| EXPORT_SYMBOL(ad1848_control); |
| EXPORT_SYMBOL(probe_ms_sound); |
| EXPORT_SYMBOL(attach_ms_sound); |
| EXPORT_SYMBOL(unload_ms_sound); |
| |
| static int __initdata io = -1; |
| static int __initdata irq = -1; |
| static int __initdata dma = -1; |
| static int __initdata dma2 = -1; |
| static int __initdata type = 0; |
| |
| module_param(io, int, 0); /* I/O for a raw AD1848 card */ |
| module_param(irq, int, 0); /* IRQ to use */ |
| module_param(dma, int, 0); /* First DMA channel */ |
| module_param(dma2, int, 0); /* Second DMA channel */ |
| module_param(type, int, 0); /* Card type */ |
| module_param(deskpro_xl, bool, 0); /* Special magic for Deskpro XL boxen */ |
| module_param(deskpro_m, bool, 0); /* Special magic for Deskpro M box */ |
| module_param(soundpro, bool, 0); /* More special magic for SoundPro chips */ |
| |
| #ifdef CONFIG_PNP |
| module_param(isapnp, int, 0); |
| module_param(isapnpjump, int, 0); |
| module_param(reverse, bool, 0); |
| MODULE_PARM_DESC(isapnp, "When set to 0, Plug & Play support will be disabled"); |
| MODULE_PARM_DESC(isapnpjump, "Jumps to a specific slot in the driver's PnP table. Use the source, Luke."); |
| MODULE_PARM_DESC(reverse, "When set to 1, will reverse ISAPnP search order"); |
| |
| static struct pnp_dev *ad1848_dev = NULL; |
| |
| /* Please add new entries at the end of the table */ |
| static struct { |
| char *name; |
| unsigned short card_vendor, card_device, |
| vendor, function; |
| short mss_io, irq, dma, dma2; /* index into isapnp table */ |
| int type; |
| } ad1848_isapnp_list[] __initdata = { |
| {"CMI 8330 SoundPRO", |
| ISAPNP_VENDOR('C','M','I'), ISAPNP_DEVICE(0x0001), |
| ISAPNP_VENDOR('@','@','@'), ISAPNP_FUNCTION(0x0001), |
| 0, 0, 0,-1, 0}, |
| {"CS4232 based card", |
| ISAPNP_ANY_ID, ISAPNP_ANY_ID, |
| ISAPNP_VENDOR('C','S','C'), ISAPNP_FUNCTION(0x0000), |
| 0, 0, 0, 1, 0}, |
| {"CS4232 based card", |
| ISAPNP_ANY_ID, ISAPNP_ANY_ID, |
| ISAPNP_VENDOR('C','S','C'), ISAPNP_FUNCTION(0x0100), |
| 0, 0, 0, 1, 0}, |
| {"OPL3-SA2 WSS mode", |
| ISAPNP_ANY_ID, ISAPNP_ANY_ID, |
| ISAPNP_VENDOR('Y','M','H'), ISAPNP_FUNCTION(0x0021), |
| 1, 0, 0, 1, 1}, |
| {"Advanced Gravis InterWave Audio", |
| ISAPNP_VENDOR('G','R','V'), ISAPNP_DEVICE(0x0001), |
| ISAPNP_VENDOR('G','R','V'), ISAPNP_FUNCTION(0x0000), |
| 0, 0, 0, 1, 0}, |
| {NULL} |
| }; |
| |
| static struct isapnp_device_id id_table[] __devinitdata = { |
| { ISAPNP_VENDOR('C','M','I'), ISAPNP_DEVICE(0x0001), |
| ISAPNP_VENDOR('@','@','@'), ISAPNP_FUNCTION(0x0001), 0 }, |
| { ISAPNP_ANY_ID, ISAPNP_ANY_ID, |
| ISAPNP_VENDOR('C','S','C'), ISAPNP_FUNCTION(0x0000), 0 }, |
| { ISAPNP_ANY_ID, ISAPNP_ANY_ID, |
| ISAPNP_VENDOR('C','S','C'), ISAPNP_FUNCTION(0x0100), 0 }, |
| /* The main driver for this card is opl3sa2 |
| { ISAPNP_ANY_ID, ISAPNP_ANY_ID, |
| ISAPNP_VENDOR('Y','M','H'), ISAPNP_FUNCTION(0x0021), 0 }, |
| */ |
| { ISAPNP_VENDOR('G','R','V'), ISAPNP_DEVICE(0x0001), |
| ISAPNP_VENDOR('G','R','V'), ISAPNP_FUNCTION(0x0000), 0 }, |
| {0} |
| }; |
| |
| MODULE_DEVICE_TABLE(isapnp, id_table); |
| |
| static struct pnp_dev *activate_dev(char *devname, char *resname, struct pnp_dev *dev) |
| { |
| int err; |
| |
| err = pnp_device_attach(dev); |
| if (err < 0) |
| return(NULL); |
| |
| if((err = pnp_activate_dev(dev)) < 0) { |
| printk(KERN_ERR "ad1848: %s %s config failed (out of resources?)[%d]\n", devname, resname, err); |
| |
| pnp_device_detach(dev); |
| |
| return(NULL); |
| } |
| audio_activated = 1; |
| return(dev); |
| } |
| |
| static struct pnp_dev __init *ad1848_init_generic(struct pnp_card *bus, |
| struct address_info *hw_config, int slot) |
| { |
| |
| /* Configure Audio device */ |
| if((ad1848_dev = pnp_find_dev(bus, ad1848_isapnp_list[slot].vendor, ad1848_isapnp_list[slot].function, NULL))) |
| { |
| if((ad1848_dev = activate_dev(ad1848_isapnp_list[slot].name, "ad1848", ad1848_dev))) |
| { |
| hw_config->io_base = pnp_port_start(ad1848_dev, ad1848_isapnp_list[slot].mss_io); |
| hw_config->irq = pnp_irq(ad1848_dev, ad1848_isapnp_list[slot].irq); |
| hw_config->dma = pnp_dma(ad1848_dev, ad1848_isapnp_list[slot].dma); |
| if(ad1848_isapnp_list[slot].dma2 != -1) |
| hw_config->dma2 = pnp_dma(ad1848_dev, ad1848_isapnp_list[slot].dma2); |
| else |
| hw_config->dma2 = -1; |
| hw_config->card_subtype = ad1848_isapnp_list[slot].type; |
| } else |
| return(NULL); |
| } else |
| return(NULL); |
| |
| return(ad1848_dev); |
| } |
| |
| static int __init ad1848_isapnp_init(struct address_info *hw_config, struct pnp_card *bus, int slot) |
| { |
| char *busname = bus->name[0] ? bus->name : ad1848_isapnp_list[slot].name; |
| |
| /* Initialize this baby. */ |
| |
| if(ad1848_init_generic(bus, hw_config, slot)) { |
| /* We got it. */ |
| |
| printk(KERN_NOTICE "ad1848: PnP reports '%s' at i/o %#x, irq %d, dma %d, %d\n", |
| busname, |
| hw_config->io_base, hw_config->irq, hw_config->dma, |
| hw_config->dma2); |
| return 1; |
| } |
| return 0; |
| } |
| |
| static int __init ad1848_isapnp_probe(struct address_info *hw_config) |
| { |
| static int first = 1; |
| int i; |
| |
| /* Count entries in sb_isapnp_list */ |
| |