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Diffstat (limited to 'sound/oss/trident.c')
| -rw-r--r-- | sound/oss/trident.c | 4654 |
1 files changed, 0 insertions, 4654 deletions
diff --git a/sound/oss/trident.c b/sound/oss/trident.c deleted file mode 100644 index f43f91e..0000000 --- a/sound/oss/trident.c +++ /dev/null @@ -1,4654 +0,0 @@ -/* - * OSS driver for Linux 2.[46].x for - * - * Trident 4D-Wave - * SiS 7018 - * ALi 5451 - * Tvia/IGST CyberPro 5050 - * - * Driver: Alan Cox <alan@redhat.com> - * - * Built from: - * Low level code: <audio@tridentmicro.com> from ALSA - * Framework: Thomas Sailer <sailer@ife.ee.ethz.ch> - * Extended by: Zach Brown <zab@redhat.com> - * - * Hacked up by: - * Aaron Holtzman <aholtzma@ess.engr.uvic.ca> - * Ollie Lho <ollie@sis.com.tw> SiS 7018 Audio Core Support - * Ching-Ling Lee <cling-li@ali.com.tw> ALi 5451 Audio Core Support - * Matt Wu <mattwu@acersoftech.com.cn> ALi 5451 Audio Core Support - * Peter Wächtler <pwaechtler@loewe-komp.de> CyberPro5050 support - * Muli Ben-Yehuda <mulix@mulix.org> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * History - * v0.14.10j - * January 3 2004 Eugene Teo <eugeneteo@eugeneteo.net> - * minor cleanup to use pr_debug instead of TRDBG since it is already - * defined in linux/kernel.h. - * v0.14.10i - * December 29 2003 Muli Ben-Yehuda <mulix@mulix.org> - * major cleanup for 2.6, fix a few error patch buglets - * with returning without properly cleaning up first, - * get rid of lock_kernel(). - * v0.14.10h - * Sept 10 2002 Pascal Schmidt <der.eremit@email.de> - * added support for ALi 5451 joystick port - * v0.14.10g - * Sept 05 2002 Alan Cox <alan@redhat.com> - * adapt to new pci joystick attachment interface - * v0.14.10f - * July 24 2002 Muli Ben-Yehuda <mulix@actcom.co.il> - * patch from Eric Lemar (via Ian Soboroff): in suspend and resume, - * fix wrong cast from pci_dev* to struct trident_card*. - * v0.14.10e - * July 19 2002 Muli Ben-Yehuda <mulix@actcom.co.il> - * rewrite the DMA buffer allocation/deallcoation functions, to make it - * modular and fix a bug where we would call free_pages on memory - * obtained with pci_alloc_consistent. Also remove unnecessary #ifdef - * CONFIG_PROC_FS and various other cleanups. - * v0.14.10d - * July 19 2002 Muli Ben-Yehuda <mulix@actcom.co.il> - * made several printk(KERN_NOTICE...) into TRDBG(...), to avoid spamming - * my syslog with hundreds of messages. - * v0.14.10c - * July 16 2002 Muli Ben-Yehuda <mulix@actcom.co.il> - * Cleaned up Lei Hu's 0.4.10 driver to conform to Documentation/CodingStyle - * and the coding style used in the rest of the file. - * v0.14.10b - * June 23 2002 Muli Ben-Yehuda <mulix@actcom.co.il> - * add a missing unlock_set_fmt, remove a superflous lock/unlock pair - * with nothing in between. - * v0.14.10a - * June 21 2002 Muli Ben-Yehuda <mulix@actcom.co.il> - * use a debug macro instead of #ifdef CONFIG_DEBUG, trim to 80 columns - * per line, use 'do {} while (0)' in statement macros. - * v0.14.10 - * June 6 2002 Lei Hu <Lei_hu@ali.com.tw> - * rewrite the part to read/write registers of audio codec for Ali5451 - * v0.14.9e - * January 2 2002 Vojtech Pavlik <vojtech@ucw.cz> added gameport - * support to avoid resource conflict with pcigame.c - * v0.14.9d - * October 8 2001 Arnaldo Carvalho de Melo <acme@conectiva.com.br> - * use set_current_state, properly release resources on failure in - * trident_probe, get rid of check_region - * v0.14.9c - * August 10 2001 Peter Wächtler <pwaechtler@loewe-komp.de> - * added support for Tvia (formerly Integraphics/IGST) CyberPro5050 - * this chip is often found in settop boxes (combined video+audio) - * v0.14.9b - * Switch to static inline not extern inline (gcc 3) - * v0.14.9a - * Aug 6 2001 Alan Cox - * 0.14.9 crashed on rmmod due to a timer/bh left running. Simplified - * the existing logic (the BH doesn't help as ac97 is lock_irqsave) - * and used del_timer_sync to clean up - * Fixed a problem where the ALi change broke my generic card - * v0.14.9 - * Jul 10 2001 Matt Wu - * Add H/W Volume Control - * v0.14.8a - * July 7 2001 Alan Cox - * Moved Matt Wu's ac97 register cache into the card structure - * v0.14.8 - * Apr 30 2001 Matt Wu - * Set EBUF1 and EBUF2 to still mode - * Add dc97/ac97 reset function - * Fix power management: ali_restore_regs - * unreleased - * Mar 09 2001 Matt Wu - * Add cache for ac97 access - * v0.14.7 - * Feb 06 2001 Matt Wu - * Fix ac97 initialization - * Fix bug: an extra tail will be played when playing - * Jan 05 2001 Matt Wu - * Implement multi-channels and S/PDIF in support for ALi 1535+ - * v0.14.6 - * Nov 1 2000 Ching-Ling Lee - * Fix the bug of memory leak when switching 5.1-channels to 2 channels. - * Add lock protection into dynamic changing format of data. - * Oct 18 2000 Ching-Ling Lee - * 5.1-channels support for ALi - * June 28 2000 Ching-Ling Lee - * S/PDIF out/in(playback/record) support for ALi 1535+, using /proc to be selected by user - * Simple Power Management support for ALi - * v0.14.5 May 23 2000 Ollie Lho - * Misc bug fix from the Net - * v0.14.4 May 20 2000 Aaron Holtzman - * Fix kfree'd memory access in release - * Fix race in open while looking for a free virtual channel slot - * remove open_wait wq (which appears to be unused) - * v0.14.3 May 10 2000 Ollie Lho - * fixed a small bug in trident_update_ptr, xmms 1.0.1 no longer uses 100% CPU - * v0.14.2 Mar 29 2000 Ching-Ling Lee - * Add clear to silence advance in trident_update_ptr - * fix invalid data of the end of the sound - * v0.14.1 Mar 24 2000 Ching-Ling Lee - * ALi 5451 support added, playback and recording O.K. - * ALi 5451 originally developed and structured based on sonicvibes, and - * suggested to merge into this file by Alan Cox. - * v0.14 Mar 15 2000 Ollie Lho - * 5.1 channel output support with channel binding. What's the Matrix ? - * v0.13.1 Mar 10 2000 Ollie Lho - * few minor bugs on dual codec support, needs more testing - * v0.13 Mar 03 2000 Ollie Lho - * new pci_* for 2.4 kernel, back ported to 2.2 - * v0.12 Feb 23 2000 Ollie Lho - * Preliminary Recording support - * v0.11.2 Feb 19 2000 Ollie Lho - * removed incomplete full-dulplex support - * v0.11.1 Jan 28 2000 Ollie Lho - * small bug in setting sample rate for 4d-nx (reported by Aaron) - * v0.11 Jan 27 2000 Ollie Lho - * DMA bug, scheduler latency, second try - * v0.10 Jan 24 2000 Ollie Lho - * DMA bug fixed, found kernel scheduling problem - * v0.09 Jan 20 2000 Ollie Lho - * Clean up of channel register access routine (prepare for channel binding) - * v0.08 Jan 14 2000 Ollie Lho - * Isolation of AC97 codec code - * v0.07 Jan 13 2000 Ollie Lho - * Get rid of ugly old low level access routines (e.g. CHRegs.lp****) - * v0.06 Jan 11 2000 Ollie Lho - * Preliminary support for dual (more ?) AC97 codecs - * v0.05 Jan 08 2000 Luca Montecchiani <m.luca@iname.com> - * adapt to 2.3.x new __setup/__init call - * v0.04 Dec 31 1999 Ollie Lho - * Multiple Open, using Middle Loop Interrupt to smooth playback - * v0.03 Dec 24 1999 Ollie Lho - * mem leak in prog_dmabuf and dealloc_dmabuf removed - * v0.02 Dec 15 1999 Ollie Lho - * SiS 7018 support added, playback O.K. - * v0.01 Alan Cox et. al. - * Initial Release in kernel 2.3.30, does not work - * - * ToDo - * Clean up of low level channel register access code. (done) - * Fix the bug on dma buffer management in update_ptr, read/write, drain_dac (done) - * Dual AC97 codecs support (done) - * Recording support (done) - * Mmap support - * "Channel Binding" ioctl extension (done) - * new pci device driver interface for 2.4 kernel (done) - * - * Lock order (high->low) - * lock - hardware lock - * open_mutex - guard opens - * sem - guard dmabuf, write re-entry etc - */ - -#include <linux/module.h> -#include <linux/string.h> -#include <linux/ctype.h> -#include <linux/ioport.h> -#include <linux/sched.h> -#include <linux/delay.h> -#include <linux/sound.h> -#include <linux/slab.h> -#include <linux/soundcard.h> -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/poll.h> -#include <linux/spinlock.h> -#include <linux/ac97_codec.h> -#include <linux/bitops.h> -#include <linux/proc_fs.h> -#include <linux/interrupt.h> -#include <linux/pm.h> -#include <linux/gameport.h> -#include <linux/kernel.h> -#include <linux/mutex.h> -#include <linux/mm.h> - -#include <asm/uaccess.h> -#include <asm/io.h> -#include <asm/dma.h> - -#if defined(CONFIG_ALPHA_NAUTILUS) || defined(CONFIG_ALPHA_GENERIC) -#include <asm/hwrpb.h> -#endif - -#include "trident.h" - -#define DRIVER_VERSION "0.14.10j-2.6" - -#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) -#define SUPPORT_JOYSTICK 1 -#endif - -/* magic numbers to protect our data structures */ -#define TRIDENT_CARD_MAGIC 0x5072696E /* "Prin" */ -#define TRIDENT_STATE_MAGIC 0x63657373 /* "cess" */ - -#define TRIDENT_DMA_MASK 0x3fffffff /* DMA buffer mask for pci_alloc_consist */ -#define ALI_DMA_MASK 0x7fffffff /* ALI Tridents have 31-bit DMA. Wow. */ - -#define NR_HW_CH 32 - -/* maximum number of AC97 codecs connected, AC97 2.0 defined 4, but 7018 and 4D-NX only - have 2 SDATA_IN lines (currently) */ -#define NR_AC97 2 - -/* minor number of /dev/swmodem (temporary, experimental) */ -#define SND_DEV_SWMODEM 7 - -static const unsigned ali_multi_channels_5_1[] = { - /*ALI_SURR_LEFT_CHANNEL, ALI_SURR_RIGHT_CHANNEL, */ - ALI_CENTER_CHANNEL, - ALI_LEF_CHANNEL, - ALI_SURR_LEFT_CHANNEL, - ALI_SURR_RIGHT_CHANNEL -}; - -static const unsigned sample_size[] = { 1, 2, 2, 4 }; -static const unsigned sample_shift[] = { 0, 1, 1, 2 }; - -static const char invalid_magic[] = KERN_CRIT "trident: invalid magic value in %s\n"; - -enum { - TRIDENT_4D_DX = 0, - TRIDENT_4D_NX, - SIS_7018, - ALI_5451, - CYBER5050 -}; - -static char *card_names[] = { - "Trident 4DWave DX", - "Trident 4DWave NX", - "SiS 7018 PCI Audio", - "ALi Audio Accelerator", - "Tvia/IGST CyberPro 5050" -}; - -static struct pci_device_id trident_pci_tbl[] = { - {PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_DX), - PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, TRIDENT_4D_DX}, - {PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_NX), - 0, 0, TRIDENT_4D_NX}, - {PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_7018), 0, 0, SIS_7018}, - {PCI_DEVICE(PCI_VENDOR_ID_ALI, PCI_DEVICE_ID_ALI_5451), 0, 0, ALI_5451}, - {PCI_DEVICE(PCI_VENDOR_ID_INTERG, PCI_DEVICE_ID_INTERG_5050), - 0, 0, CYBER5050}, - {0,} -}; - -MODULE_DEVICE_TABLE(pci, trident_pci_tbl); - -/* "software" or virtual channel, an instance of opened /dev/dsp */ -struct trident_state { - unsigned int magic; - struct trident_card *card; /* Card info */ - - /* file mode */ - mode_t open_mode; - - /* virtual channel number */ - int virt; - - struct dmabuf { - /* wave sample stuff */ - unsigned int rate; - unsigned char fmt, enable; - - /* hardware channel */ - struct trident_channel *channel; - - /* OSS buffer management stuff */ - void *rawbuf; - dma_addr_t dma_handle; - unsigned buforder; - unsigned numfrag; - unsigned fragshift; - - /* our buffer acts like a circular ring */ - unsigned hwptr; /* where dma last started, updated by update_ptr */ - unsigned swptr; /* where driver last clear/filled, updated by read/write */ - int count; /* bytes to be comsumed or been generated by dma machine */ - unsigned total_bytes; /* total bytes dmaed by hardware */ - - unsigned error; /* number of over/underruns */ - /* put process on wait queue when no more space in buffer */ - wait_queue_head_t wait; - - /* redundant, but makes calculations easier */ - unsigned fragsize; - unsigned dmasize; - unsigned fragsamples; - - /* OSS stuff */ - unsigned mapped:1; - unsigned ready:1; - unsigned endcleared:1; - unsigned update_flag; - unsigned ossfragshift; - int ossmaxfrags; - unsigned subdivision; - - } dmabuf; - - /* 5.1 channels */ - struct trident_state *other_states[4]; - int multi_channels_adjust_count; - unsigned chans_num; - unsigned long fmt_flag; - /* Guard against mmap/write/read races */ - struct mutex sem; - -}; - -/* hardware channels */ -struct trident_channel { - int num; /* channel number */ - u32 lba; /* Loop Begine Address, where dma buffer starts */ - u32 eso; /* End Sample Offset, wehre dma buffer ends */ - /* (in the unit of samples) */ - u32 delta; /* delta value, sample rate / 48k for playback, */ - /* 48k/sample rate for recording */ - u16 attribute; /* control where PCM data go and come */ - u16 fm_vol; - u32 control; /* signed/unsigned, 8/16 bits, mono/stereo */ -}; - -struct trident_pcm_bank_address { - u32 start; - u32 stop; - u32 aint; - u32 aint_en; -}; - -static struct trident_pcm_bank_address bank_a_addrs = { - T4D_START_A, - T4D_STOP_A, - T4D_AINT_A, - T4D_AINTEN_A -}; - -static struct trident_pcm_bank_address bank_b_addrs = { - T4D_START_B, - T4D_STOP_B, - T4D_AINT_B, - T4D_AINTEN_B -}; - -struct trident_pcm_bank { - /* register addresses to control bank operations */ - struct trident_pcm_bank_address *addresses; - /* each bank has 32 channels */ - u32 bitmap; /* channel allocation bitmap */ - struct trident_channel channels[32]; -}; - -struct trident_card { - unsigned int magic; - - /* We keep trident cards in a linked list */ - struct trident_card *next; - - /* single open lock mechanism, only used for recording */ - struct mutex open_mutex; - - /* The trident has a certain amount of cross channel interaction - so we use a single per card lock */ - spinlock_t lock; - - /* PCI device stuff */ - struct pci_dev *pci_dev; - u16 pci_id; - u8 revision; - - /* soundcore stuff */ - int dev_audio; - - /* structures for abstraction of hardware facilities, codecs, */ - /* banks and channels */ - struct ac97_codec *ac97_codec[NR_AC97]; - struct trident_pcm_bank banks[NR_BANKS]; - struct trident_state *states[NR_HW_CH]; - - /* hardware resources */ - unsigned long iobase; - u32 irq; - - /* Function support */ - struct trident_channel *(*alloc_pcm_channel) (struct trident_card *); - struct trident_channel *(*alloc_rec_pcm_channel) (struct trident_card *); - void (*free_pcm_channel) (struct trident_card *, unsigned int chan); - void (*address_interrupt) (struct trident_card *); - - /* Added by Matt Wu 01-05-2001 for spdif in */ - int multi_channel_use_count; - int rec_channel_use_count; - u16 mixer_regs[64][NR_AC97]; /* Made card local by Alan */ - int mixer_regs_ready; - - /* Added for hardware volume control */ - int hwvolctl; - struct timer_list timer; - - /* Game port support */ - struct gameport *gameport; -}; - -enum dmabuf_mode { - DM_PLAYBACK = 0, - DM_RECORD -}; - -/* table to map from CHANNELMASK to channel attribute for SiS 7018 */ -static u16 mask2attr[] = { - PCM_LR, PCM_LR, SURR_LR, CENTER_LFE, - HSET, MIC, MODEM_LINE1, MODEM_LINE2, - I2S_LR, SPDIF_LR -}; - -/* table to map from channel attribute to CHANNELMASK for SiS 7018 */ -static int attr2mask[] = { - DSP_BIND_MODEM1, DSP_BIND_MODEM2, DSP_BIND_FRONT, DSP_BIND_HANDSET, - DSP_BIND_I2S, DSP_BIND_CENTER_LFE, DSP_BIND_SURR, DSP_BIND_SPDIF -}; - -/* Added by Matt Wu 01-05-2001 for spdif in */ -static int ali_close_multi_channels(void); -static void ali_delay(struct trident_card *card, int interval); -static void ali_detect_spdif_rate(struct trident_card *card); - -static void ali_ac97_write(struct ac97_codec *codec, u8 reg, u16 val); -static u16 ali_ac97_read(struct ac97_codec *codec, u8 reg); - -static struct trident_card *devs; - -static void trident_ac97_set(struct ac97_codec *codec, u8 reg, u16 val); -static u16 trident_ac97_get(struct ac97_codec *codec, u8 reg); - -static int trident_open_mixdev(struct inode *inode, struct file *file); -static int trident_ioctl_mixdev(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg); - -static void ali_ac97_set(struct trident_card *card, int secondary, u8 reg, u16 val); -static u16 ali_ac97_get(struct trident_card *card, int secondary, u8 reg); -static void ali_set_spdif_out_rate(struct trident_card *card, unsigned int rate); -static void ali_enable_special_channel(struct trident_state *stat); -static struct trident_channel *ali_alloc_rec_pcm_channel(struct trident_card *card); -static struct trident_channel *ali_alloc_pcm_channel(struct trident_card *card); -static void ali_free_pcm_channel(struct trident_card *card, unsigned int channel); -static int ali_setup_multi_channels(struct trident_card *card, int chan_nums); -static unsigned int ali_get_spdif_in_rate(struct trident_card *card); -static void ali_setup_spdif_in(struct trident_card *card); -static void ali_disable_spdif_in(struct trident_card *card); -static void ali_disable_special_channel(struct trident_card *card, int ch); -static void ali_setup_spdif_out(struct trident_card *card, int flag); -static int ali_write_5_1(struct trident_state *state, - const char __user *buffer, - int cnt_for_multi_channel, unsigned int *copy_count, - unsigned int *state_cnt); -static int ali_allocate_other_states_resources(struct trident_state *state, - int chan_nums); -static void ali_free_other_states_resources(struct trident_state *state); - -#define seek_offset(dma_ptr, buffer, cnt, offset, copy_count) do { \ - (dma_ptr) += (offset); \ - (buffer) += (offset); \ - (cnt) -= (offset); \ - (copy_count) += (offset); \ -} while (0) - -static inline int lock_set_fmt(struct trident_state* state) -{ - if (test_and_set_bit(0, &state->fmt_flag)) - return -EFAULT; - - return 0; -} - -static inline void unlock_set_fmt(struct trident_state* state) -{ - clear_bit(0, &state->fmt_flag); -} - -static int -trident_enable_loop_interrupts(struct trident_card *card) -{ - u32 global_control; - - global_control = inl(TRID_REG(card, T4D_LFO_GC_CIR)); - - switch (card->pci_id) { - case PCI_DEVICE_ID_SI_7018: - global_control |= (ENDLP_IE | MIDLP_IE | BANK_B_EN); - break; - case PCI_DEVICE_ID_ALI_5451: - case PCI_DEVICE_ID_TRIDENT_4DWAVE_DX: - case PCI_DEVICE_ID_TRIDENT_4DWAVE_NX: - case PCI_DEVICE_ID_INTERG_5050: - global_control |= (ENDLP_IE | MIDLP_IE); - break; - default: - return 0; - } - - outl(global_control, TRID_REG(card, T4D_LFO_GC_CIR)); - - pr_debug("trident: Enable Loop Interrupts, globctl = 0x%08X\n", - inl(TRID_REG(card, T4D_LFO_GC_CIR))); - - return 1; -} - -static int -trident_disable_loop_interrupts(struct trident_card *card) -{ - u32 global_control; - - global_control = inl(TRID_REG(card, T4D_LFO_GC_CIR)); - global_control &= ~(ENDLP_IE | MIDLP_IE); - outl(global_control, TRID_REG(card, T4D_LFO_GC_CIR)); - - pr_debug("trident: Disabled Loop Interrupts, globctl = 0x%08X\n", - global_control); - - return 1; -} - -static void -trident_enable_voice_irq(struct trident_card *card, unsigned int channel) -{ - unsigned int mask = 1 << (channel & 0x1f); - struct trident_pcm_bank *bank = &card->banks[channel >> 5]; - u32 reg, addr = bank->addresses->aint_en; - - reg = inl(TRID_REG(card, addr)); - reg |= mask; - outl(reg, TRID_REG(card, addr)); - -#ifdef DEBUG - reg = inl(TRID_REG(card, addr)); - pr_debug("trident: enabled IRQ on channel %d, %s = 0x%08x(addr:%X)\n", - channel, addr == T4D_AINTEN_B ? "AINTEN_B" : "AINTEN_A", - reg, addr); -#endif /* DEBUG */ -} - -static void -trident_disable_voice_irq(struct trident_card *card, unsigned int channel) -{ - unsigned int mask = 1 << (channel & 0x1f); - struct trident_pcm_bank *bank = &card->banks[channel >> 5]; - u32 reg, addr = bank->addresses->aint_en; - - reg = inl(TRID_REG(card, addr)); - reg &= ~mask; - outl(reg, TRID_REG(card, addr)); - - /* Ack the channel in case the interrupt was set before we disable it. */ - outl(mask, TRID_REG(card, bank->addresses->aint)); - -#ifdef DEBUG - reg = inl(TRID_REG(card, addr)); - pr_debug("trident: disabled IRQ on channel %d, %s = 0x%08x(addr:%X)\n", - channel, addr == T4D_AINTEN_B ? "AINTEN_B" : "AINTEN_A", - reg, addr); -#endif /* DEBUG */ -} - -static void -trident_start_voice(struct trident_card *card, unsigned int channel) -{ - unsigned int mask = 1 << (channel & 0x1f); - struct trident_pcm_bank *bank = &card->banks[channel >> 5]; - u32 addr = bank->addresses->start; - -#ifdef DEBUG - u32 reg; -#endif /* DEBUG */ - - outl(mask, TRID_REG(card, addr)); - -#ifdef DEBUG - reg = inl(TRID_REG(card, addr)); - pr_debug("trident: start voice on channel %d, %s = 0x%08x(addr:%X)\n", - channel, addr == T4D_START_B ? "START_B" : "START_A", - reg, addr); -#endif /* DEBUG */ -} - -static void -trident_stop_voice(struct trident_card *card, unsigned int channel) -{ - unsigned int mask = 1 << (channel & 0x1f); - struct trident_pcm_bank *bank = &card->banks[channel >> 5]; - u32 addr = bank->addresses->stop; - -#ifdef DEBUG - u32 reg; -#endif /* DEBUG */ - - outl(mask, TRID_REG(card, addr)); - -#ifdef DEBUG - reg = inl(TRID_REG(card, addr)); - pr_debug("trident: stop voice on channel %d, %s = 0x%08x(addr:%X)\n", - channel, addr == T4D_STOP_B ? "STOP_B" : "STOP_A", - reg, addr); -#endif /* DEBUG */ -} - -static u32 -trident_get_interrupt_mask(struct trident_card *card, unsigned int channel) -{ - struct trident_pcm_bank *bank = &card->banks[channel]; - u32 addr = bank->addresses->aint; - return inl(TRID_REG(card, addr)); -} - -static int -trident_check_channel_interrupt(struct trident_card *card, unsigned int channel) -{ - unsigned int mask = 1 << (channel & 0x1f); - u32 reg = trident_get_interrupt_mask(card, channel >> 5); - -#ifdef DEBUG - if (reg & mask) - pr_debug("trident: channel %d has interrupt, %s = 0x%08x\n", - channel, reg == T4D_AINT_B ? "AINT_B" : "AINT_A", - reg); -#endif /* DEBUG */ - return (reg & mask) ? 1 : 0; -} - -static void -trident_ack_channel_interrupt(struct trident_card *card, unsigned int channel) -{ - unsigned int mask = 1 << (channel & 0x1f); - struct trident_pcm_bank *bank = &card->banks[channel >> 5]; - u32 reg, addr = bank->addresses->aint; - - reg = inl(TRID_REG(card, addr)); - reg &= mask; - outl(reg, TRID_REG(card, addr)); - -#ifdef DEBUG - reg = inl(TRID_REG(card, T4D_AINT_B)); - pr_debug("trident: Ack channel %d interrupt, AINT_B = 0x%08x\n", - channel, reg); -#endif /* DEBUG */ -} - -static struct trident_channel * -trident_alloc_pcm_channel(struct trident_card *card) -{ - struct trident_pcm_bank *bank; - int idx; - - bank = &card->banks[BANK_B]; - - for (idx = 31; idx >= 0; idx--) { - if (!(bank->bitmap & (1 << idx))) { - struct trident_channel *channel = &bank->channels[idx]; - bank->bitmap |= 1 << idx; - channel->num = idx + 32; - return channel; - } - } - - /* no more free channels available */ - printk(KERN_ERR "trident: no more channels available on Bank B.\n"); - return NULL; -} - -static void -trident_free_pcm_channel(struct trident_card *card, unsigned int channel) -{ - int bank; - unsigned char b; - - if (channel < 31 || channel > 63) - return; - - if (card->pci_id == PCI_DEVICE_ID_TRIDENT_4DWAVE_DX || - card->pci_id == PCI_DEVICE_ID_TRIDENT_4DWAVE_NX) { - b = inb(TRID_REG(card, T4D_REC_CH)); - if ((b & ~0x80) == channel) - outb(0x0, TRID_REG(card, T4D_REC_CH)); - } - - bank = channel >> 5; - channel = channel & 0x1f; - - card->banks[bank].bitmap &= ~(1 << (channel)); -} - -static struct trident_channel * -cyber_alloc_pcm_channel(struct trident_card *card) -{ - struct trident_pcm_bank *bank; - int idx; - - /* The cyberpro 5050 has only 32 voices and one bank */ - /* .. at least they are not documented (if you want to call that - * crap documentation), perhaps broken ? */ - - bank = &card->banks[BANK_A]; - - for (idx = 31; idx >= 0; idx--) { - if (!(bank->bitmap & (1 << idx))) { - struct trident_channel *channel = &bank->channels[idx]; - bank->bitmap |= 1 << idx; - channel->num = idx; - return channel; - } - } - - /* no more free channels available */ - printk(KERN_ERR "cyberpro5050: no more channels available on Bank A.\n"); - return NULL; -} - -static void -cyber_free_pcm_channel(struct trident_card *card, unsigned int channel) -{ - if (channel > 31) - return; - card->banks[BANK_A].bitmap &= ~(1 << (channel)); -} - -static inline void -cyber_outidx(int port, int idx, int data) -{ - outb(idx, port); - outb(data, port + 1); -} - -static inline int -cyber_inidx(int port, int idx) -{ - outb(idx, port); - return inb(port + 1); -} - -static int -cyber_init_ritual(struct trident_card *card) -{ - /* some black magic, taken from SDK samples */ - /* remove this and nothing will work */ - int portDat; - int ret = 0; - unsigned long flags; - - /* - * Keep interrupts off for the configure - we don't want to - * clash with another cyberpro config event - */ - - spin_lock_irqsave(&card->lock, flags); - portDat = cyber_inidx(CYBER_PORT_AUDIO, CYBER_IDX_AUDIO_ENABLE); - /* enable, if it was disabled */ - if ((portDat & CYBER_BMSK_AUENZ) != CYBER_BMSK_AUENZ_ENABLE) { - printk(KERN_INFO "cyberpro5050: enabling audio controller\n"); - cyber_outidx(CYBER_PORT_AUDIO, CYBER_IDX_AUDIO_ENABLE, - portDat | CYBER_BMSK_AUENZ_ENABLE); - /* check again if hardware is enabled now */ - portDat = cyber_inidx(CYBER_PORT_AUDIO, CYBER_IDX_AUDIO_ENABLE); - } - if ((portDat & CYBER_BMSK_AUENZ) != CYBER_BMSK_AUENZ_ENABLE) { - printk(KERN_ERR "cyberpro5050: initAudioAccess: no success\n"); - ret = -1; - } else { - cyber_outidx(CYBER_PORT_AUDIO, CYBER_IDX_IRQ_ENABLE, - CYBER_BMSK_AUDIO_INT_ENABLE); - cyber_outidx(CYBER_PORT_AUDIO, 0xbf, 0x01); - cyber_outidx(CYBER_PORT_AUDIO, 0xba, 0x20); - cyber_outidx(CYBER_PORT_AUDIO, 0xbb, 0x08); - cyber_outidx(CYBER_PORT_AUDIO, 0xbf, 0x02); - cyber_outidx(CYBER_PORT_AUDIO, 0xb3, 0x06); - cyber_outidx(CYBER_PORT_AUDIO, 0xbf, 0x00); - } - spin_unlock_irqrestore(&card->lock, flags); - return ret; -} - -/* called with spin lock held */ - -static int -trident_load_channel_registers(struct trident_card *card, u32 * data, - unsigned int channel) -{ - int i; - - if (channel > 63) - return 0; - - /* select hardware channel to write */ - outb(channel, TRID_REG(card, T4D_LFO_GC_CIR)); - - /* Output the channel registers, but don't write register - three to an ALI chip. */ - for (i = 0; i < CHANNEL_REGS; i++) { - if (i == 3 && card->pci_id == PCI_DEVICE_ID_ALI_5451) - continue; - outl(data[i], TRID_REG(card, CHANNEL_START + 4 * i)); - } - if (card->pci_id == PCI_DEVICE_ID_ALI_5451 || - card->pci_id == PCI_DEVICE_ID_INTERG_5050) { - outl(ALI_EMOD_Still, TRID_REG(card, ALI_EBUF1)); - outl(ALI_EMOD_Still, TRID_REG(card, ALI_EBUF2)); - } - return 1; -} - -/* called with spin lock held */ -static int -trident_write_voice_regs(struct trident_state *state) -{ - unsigned int data[CHANNEL_REGS + 1]; - struct trident_channel *channel; - - channel = state->dmabuf.channel; - - data[1] = channel->lba; - data[4] = channel->control; - - switch (state->card->pci_id) { - case PCI_DEVICE_ID_ALI_5451: - data[0] = 0; /* Current Sample Offset */ - data[2] = (channel->eso << 16) | (channel->delta & 0xffff); - data[3] = 0; - break; - case PCI_DEVICE_ID_SI_7018: - case PCI_DEVICE_ID_INTERG_5050: - data[0] = 0; /* Current Sample Offset */ - data[2] = (channel->eso << 16) | (channel->delta & 0xffff); - data[3] = (channel->attribute << 16) | (channel->fm_vol & 0xffff); - break; - case PCI_DEVICE_ID_TRIDENT_4DWAVE_DX: - data[0] = 0; /* Current Sample Offset */ - data[2] = (channel->eso << 16) | (channel->delta & 0xffff); - data[3] = channel->fm_vol & 0xffff; - break; - case PCI_DEVICE_ID_TRIDENT_4DWAVE_NX: - data[0] = (channel->delta << 24); - data[2] = ((channel->delta << 16) & 0xff000000) | - (channel->eso & 0x00ffffff); - data[3] = channel->fm_vol & 0xffff; - break; - default: - return 0; - } - - return trident_load_channel_registers(state->card, data, channel->num); -} - -static int -compute_rate_play(u32 rate) -{ - int delta; - /* We special case 44100 and 8000 since rounding with the equation - does not give us an accurate enough value. For 11025 and 22050 - the equation gives us the best answer. All other frequencies will - also use the equation. JDW */ - if (rate == 44100) - delta = 0xeb3; - else if (rate == 8000) - delta = 0x2ab; - else if (rate == 48000) - delta = 0x1000; - else - delta = (((rate << 12) + rate) / 48000) & 0x0000ffff; - return delta; -} - -static int -compute_rate_rec(u32 rate) -{ - int delta; - - if (rate == 44100) - delta = 0x116a; - else if (rate == 8000) - delta = 0x6000; - else if (rate == 48000) - delta = 0x1000; - else - delta = ((48000 << 12) / rate) & 0x0000ffff; - - return delta; -} - -/* set playback sample rate */ -static unsigned int -trident_set_dac_rate(struct trident_state *state, unsigned int rate) -{ - struct dmabuf *dmabuf = &state->dmabuf; - - if (rate > 48000) - rate = 48000; - if (rate < 4000) - rate = 4000; - - dmabuf->rate = rate; - dmabuf->channel->delta = compute_rate_play(rate); - - trident_write_voice_regs(state); - - pr_debug("trident: called trident_set_dac_rate : rate = %d\n", rate); - - return rate; -} - -/* set recording sample rate */ -static unsigned int -trident_set_adc_rate(struct trident_state *state, unsigned int rate) -{ - struct dmabuf *dmabuf = &state->dmabuf; - - if (rate > 48000) - rate = 48000; - if (rate < 4000) - rate = 4000; - - dmabuf->rate = rate; - dmabuf->channel->delta = compute_rate_rec(rate); - - trident_write_voice_regs(state); - - pr_debug("trident: called trident_set_adc_rate : rate = %d\n", rate); - - return rate; -} - -/* prepare channel attributes for playback */ -static void -trident_play_setup(struct trident_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - struct trident_channel *channel = dmabuf->channel; - - channel->lba = dmabuf->dma_handle; - channel->delta = compute_rate_play(dmabuf->rate); - - channel->eso = dmabuf->dmasize >> sample_shift[dmabuf->fmt]; - channel->eso -= 1; - - if (state->card->pci_id != PCI_DEVICE_ID_SI_7018) { - channel->attribute = 0; - if (state->card->pci_id == PCI_DEVICE_ID_ALI_5451) { - if ((channel->num == ALI_SPDIF_IN_CHANNEL) || - (channel->num == ALI_PCM_IN_CHANNEL)) - ali_disable_special_channel(state->card, channel->num); - else if ((inl(TRID_REG(state->card, ALI_GLOBAL_CONTROL)) - & ALI_SPDIF_OUT_CH_ENABLE) - && (channel->num == ALI_SPDIF_OUT_CHANNEL)) { - ali_set_spdif_out_rate(state->card, - state->dmabuf.rate); - state->dmabuf.channel->delta = 0x1000; - } - } - } - - channel->fm_vol = 0x0; - - channel->control = CHANNEL_LOOP; - if (dmabuf->fmt & TRIDENT_FMT_16BIT) { - /* 16-bits */ - channel->control |= CHANNEL_16BITS; - /* signed */ - channel->control |= CHANNEL_SIGNED; - } - if (dmabuf->fmt & TRIDENT_FMT_STEREO) - /* stereo */ - channel->control |= CHANNEL_STEREO; - - pr_debug("trident: trident_play_setup, LBA = 0x%08x, Delta = 0x%08x, " - "ESO = 0x%08x, Control = 0x%08x\n", channel->lba, - channel->delta, channel->eso, channel->control); - - trident_write_voice_regs(state); -} - -/* prepare channel attributes for recording */ -static void -trident_rec_setup(struct trident_state *state) -{ - u16 w; - u8 bval; - - struct trident_card *card = state->card; - struct dmabuf *dmabuf = &state->dmabuf; - struct trident_channel *channel = dmabuf->channel; - unsigned int rate; - - /* Enable AC-97 ADC (capture) */ - switch (card->pci_id) { - case PCI_DEVICE_ID_ALI_5451: - ali_enable_special_channel(state); - break; - case PCI_DEVICE_ID_SI_7018: - /* for 7018, the ac97 is always in playback/record (duplex) mode */ - break; - case PCI_DEVICE_ID_TRIDENT_4DWAVE_DX: - w = inb(TRID_REG(card, DX_ACR2_AC97_COM_STAT)); - outb(w | 0x48, TRID_REG(card, DX_ACR2_AC97_COM_STAT)); - /* enable and set record channel */ - outb(0x80 | channel->num, TRID_REG(card, T4D_REC_CH)); - break; - case PCI_DEVICE_ID_TRIDENT_4DWAVE_NX: - w = inw(TRID_REG(card, T4D_MISCINT)); - outw(w | 0x1000, TRID_REG(card, T4D_MISCINT)); - /* enable and set record channel */ - outb(0x80 | channel->num, TRID_REG(card, T4D_REC_CH)); - break; - case PCI_DEVICE_ID_INTERG_5050: - /* don't know yet, using special channel 22 in GC1(0xd4)? */ - break; - default: - return; - } - - channel->lba = dmabuf->dma_handle; - channel->delta = compute_rate_rec(dmabuf->rate); - if ((card->pci_id == PCI_DEVICE_ID_ALI_5451) && - (channel->num == ALI_SPDIF_IN_CHANNEL)) { - rate = ali_get_spdif_in_rate(card); - if (rate == 0) { - printk(KERN_WARNING "trident: ALi 5451 " - "S/PDIF input setup error!\n"); - rate = 48000; - } - bval = inb(TRID_REG(card, ALI_SPDIF_CTRL)); - if (bval & 0x10) { - outb(bval, TRID_REG(card, ALI_SPDIF_CTRL)); - printk(KERN_WARNING "trident: cleared ALi " - "5451 S/PDIF parity error flag.\n"); - } - - if (rate != 48000) - channel->delta = ((rate << 12) / dmabuf->rate) & 0x0000ffff; - } - - channel->eso = dmabuf->dmasize >> sample_shift[dmabuf->fmt]; - channel->eso -= 1; - - if (state->card->pci_id != PCI_DEVICE_ID_SI_7018) { - channel->attribute = 0; - } - - channel->fm_vol = 0x0; - - channel->control = CHANNEL_LOOP; - if (dmabuf->fmt & TRIDENT_FMT_16BIT) { - /* 16-bits */ - channel->control |= CHANNEL_16BITS; - /* signed */ - channel->control |= CHANNEL_SIGNED; - } - if (dmabuf->fmt & TRIDENT_FMT_STEREO) - /* stereo */ - channel->control |= CHANNEL_STEREO; - - pr_debug("trident: trident_rec_setup, LBA = 0x%08x, Delat = 0x%08x, " - "ESO = 0x%08x, Control = 0x%08x\n", channel->lba, - channel->delta, channel->eso, channel->control); - - trident_write_voice_regs(state); -} - -/* get current playback/recording dma buffer pointer (byte offset from LBA), - called with spinlock held! */ -static inline unsigned -trident_get_dma_addr(struct trident_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - u32 cso; - - if (!dmabuf->enable) - return 0; - - outb(dmabuf->channel->num, TRID_REG(state->card, T4D_LFO_GC_CIR)); - - switch (state->card->pci_id) { - case PCI_DEVICE_ID_ALI_5451: - case PCI_DEVICE_ID_SI_7018: - case PCI_DEVICE_ID_TRIDENT_4DWAVE_DX: - case PCI_DEVICE_ID_INTERG_5050: - /* 16 bits ESO, CSO for 7018 and DX */ - cso = inw(TRID_REG(state->card, CH_DX_CSO_ALPHA_FMS + 2)); - break; - case PCI_DEVICE_ID_TRIDENT_4DWAVE_NX: - /* 24 bits ESO, CSO for NX */ - cso = inl(TRID_REG(state->card, CH_NX_DELTA_CSO)) & 0x00ffffff; - break; - default: - return 0; - } - - pr_debug("trident: trident_get_dma_addr: chip reported channel: %d, " - "cso = 0x%04x\n", dmabuf->channel->num, cso); - - /* ESO and CSO are in units of Samples, convert to byte offset */ - cso <<= sample_shift[dmabuf->fmt]; - - return (cso % dmabuf->dmasize); -} - -/* Stop recording (lock held) */ -static inline void -__stop_adc(struct trident_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - unsigned int chan_num = dmabuf->channel->num; - struct trident_card *card = state->card; - - dmabuf->enable &= ~ADC_RUNNING; - trident_stop_voice(card, chan_num); - trident_disable_voice_irq(card, chan_num); -} - -static void -stop_adc(struct trident_state *state) -{ - struct trident_card *card = state->card; - unsigned long flags; - - spin_lock_irqsave(&card->lock, flags); - __stop_adc(state); - spin_unlock_irqrestore(&card->lock, flags); -} - -static void -start_adc(struct trident_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - unsigned int chan_num = dmabuf->channel->num; - struct trident_card *card = state->card; - unsigned long flags; - - spin_lock_irqsave(&card->lock, flags); - if ((dmabuf->mapped || - dmabuf->count < (signed) dmabuf->dmasize) && - dmabuf->ready) { - dmabuf->enable |= ADC_RUNNING; - trident_enable_voice_irq(card, chan_num); - trident_start_voice(card, chan_num); - } - spin_unlock_irqrestore(&card->lock, flags); -} - -/* stop playback (lock held) */ -static inline void -__stop_dac(struct trident_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - unsigned int chan_num = dmabuf->channel->num; - struct trident_card *card = state->card; - - dmabuf->enable &= ~DAC_RUNNING; - trident_stop_voice(card, chan_num); - if (state->chans_num == 6) { - trident_stop_voice(card, state->other_states[0]-> - dmabuf.channel->num); - trident_stop_voice(card, state->other_states[1]-> - dmabuf.channel->num); - trident_stop_voice(card, state->other_states[2]-> - dmabuf.channel->num); - trident_stop_voice(card, state->other_states[3]-> - dmabuf.channel->num); - } - trident_disable_voice_irq(card, chan_num); -} - -static void -stop_dac(struct trident_state *state) -{ - struct trident_card *card = state->card; - unsigned long flags; - - spin_lock_irqsave(&card->lock, flags); - __stop_dac(state); - spin_unlock_irqrestore(&card->lock, flags); -} - -static void -start_dac(struct trident_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - unsigned int chan_num = dmabuf->channel->num; - struct trident_card *card = state->card; - unsigned long flags; - - spin_lock_irqsave(&card->lock, flags); - if ((dmabuf->mapped || dmabuf->count > 0) && dmabuf->ready) { - dmabuf->enable |= DAC_RUNNING; - trident_enable_voice_irq(card, chan_num); - trident_start_voice(card, chan_num); - if (state->chans_num == 6) { - trident_start_voice(card, state->other_states[0]-> - dmabuf.channel->num); - trident_start_voice(card, state->other_states[1]-> - dmabuf.channel->num); - trident_start_voice(card, state->other_states[2]-> - dmabuf.channel->num); - trident_start_voice(card, state->other_states[3]-> - dmabuf.channel->num); - } - } - spin_unlock_irqrestore(&card->lock, flags); -} - -#define DMABUF_DEFAULTORDER (15-PAGE_SHIFT) -#define DMABUF_MINORDER 1 - -/* alloc a DMA buffer of with a buffer of this order */ -static int -alloc_dmabuf(struct dmabuf *dmabuf, struct pci_dev *pci_dev, int order) -{ - void *rawbuf = NULL; - struct page *page, *pend; - - if (!(rawbuf = pci_alloc_consistent(pci_dev, PAGE_SIZE << order, - &dmabuf->dma_handle))) - return -ENOMEM; - - pr_debug("trident: allocated %ld (order = %d) bytes at %p\n", - PAGE_SIZE << order, order, rawbuf); - - dmabuf->ready = dmabuf->mapped = 0; - dmabuf->rawbuf = rawbuf; - dmabuf->buforder = order; - - /* now mark the pages as reserved; otherwise */ - /* remap_pfn_range doesn't do what we want */ - pend = virt_to_page(rawbuf + (PAGE_SIZE << order) - 1); - for (page = virt_to_page(rawbuf); page <= pend; page++) - SetPageReserved(page); - - return 0; -} - -/* allocate the main DMA buffer, playback and recording buffer should be */ -/* allocated separately */ -static int -alloc_main_dmabuf(struct trident_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - int order; - int ret = -ENOMEM; - - /* alloc as big a chunk as we can, FIXME: is this necessary ?? */ - for (order = DMABUF_DEFAULTORDER; order >= DMABUF_MINORDER; order--) { - if (!(ret = alloc_dmabuf(dmabuf, state->card->pci_dev, order))) - return 0; - /* else try again */ - } - return ret; -} - -/* deallocate a DMA buffer */ -static void -dealloc_dmabuf(struct dmabuf *dmabuf, struct pci_dev *pci_dev) -{ - struct page *page, *pend; - - if (dmabuf->rawbuf) { - /* undo marking the pages as reserved */ - pend = virt_to_page(dmabuf->rawbuf + (PAGE_SIZE << dmabuf->buforder) - 1); - for (page = virt_to_page(dmabuf->rawbuf); page <= pend; page++) - ClearPageReserved(page); - pci_free_consistent(pci_dev, PAGE_SIZE << dmabuf->buforder, - dmabuf->rawbuf, dmabuf->dma_handle); - dmabuf->rawbuf = NULL; - } - dmabuf->mapped = dmabuf->ready = 0; -} - -static int -prog_dmabuf(struct trident_state *state, enum dmabuf_mode rec) -{ - struct dmabuf *dmabuf = &state->dmabuf; - unsigned bytepersec; - struct trident_state *s = state; - unsigned bufsize, dma_nums; - unsigned long flags; - int ret, i, order; - - if ((ret = lock_set_fmt(state)) < 0) - return ret; - - if (state->chans_num == 6) - dma_nums = 5; - else - dma_nums = 1; - - for (i = 0; i < dma_nums; i++) { - if (i > 0) { - s = state->other_states[i - 1]; - dmabuf = &s->dmabuf; - dmabuf->fmt = state->dmabuf.fmt; - dmabuf->rate = state->dmabuf.rate; - } - - spin_lock_irqsave(&s->card->lock, flags); - dmabuf->hwptr = dmabuf->swptr = dmabuf->total_bytes = 0; - dmabuf->count = dmabuf->error = 0; - spin_unlock_irqrestore(&s->card->lock, flags); - - /* allocate DMA buffer if not allocated yet */ - if (!dmabuf->rawbuf) { - if (i == 0) { - if ((ret = alloc_main_dmabuf(state))) { - unlock_set_fmt(state); - return ret; - } - } else { - ret = -ENOMEM; - order = state->dmabuf.buforder - 1; - if (order >= DMABUF_MINORDER) { - ret = alloc_dmabuf(dmabuf, - state->card->pci_dev, - order); - } - if (ret) { - /* release the main DMA buffer */ - dealloc_dmabuf(&state->dmabuf, state->card->pci_dev); - /* release the auxiliary DMA buffers */ - for (i -= 2; i >= 0; i--) - dealloc_dmabuf(&state->other_states[i]->dmabuf, - state->card->pci_dev); - unlock_set_fmt(state); - return ret; - } - } - } - /* FIXME: figure out all this OSS fragment stuff */ - bytepersec = dmabuf->rate << sample_shift[dmabuf->fmt]; - bufsize = PAGE_SIZE << dmabuf->buforder; - if (dmabuf->ossfragshift) { - if ((1000 << dmabuf->ossfragshift) < bytepersec) - dmabuf->fragshift = ld2(bytepersec / 1000); - else - dmabuf->fragshift = dmabuf->ossfragshift; - } else { - /* lets hand out reasonable big ass buffers by default */ - dmabuf->fragshift = (dmabuf->buforder + PAGE_SHIFT - 2); - } - dmabuf->numfrag = bufsize >> dmabuf->fragshift; - while (dmabuf->numfrag < 4 && dmabuf->fragshift > 3) { - dmabuf->fragshift--; - dmabuf->numfrag = bufsize >> dmabuf->fragshift; - } - dmabuf->fragsize = 1 << dmabuf->fragshift; - if (dmabuf->ossmaxfrags >= 4 && dmabuf->ossmaxfrags < dmabuf->numfrag) - dmabuf->numfrag = dmabuf->ossmaxfrags; - dmabuf->fragsamples = dmabuf->fragsize >> sample_shift[dmabuf->fmt]; - dmabuf->dmasize = dmabuf->numfrag << dmabuf->fragshift; - - memset(dmabuf->rawbuf, (dmabuf->fmt & TRIDENT_FMT_16BIT) ? 0 : 0x80, - dmabuf->dmasize); - - spin_lock_irqsave(&s->card->lock, flags); - if (rec == DM_RECORD) - trident_rec_setup(s); - else /* DM_PLAYBACK */ - trident_play_setup(s); - - spin_unlock_irqrestore(&s->card->lock, flags); - - /* set the ready flag for the dma buffer */ - dmabuf->ready = 1; - - pr_debug("trident: prog_dmabuf(%d), sample rate = %d, " - "format = %d, numfrag = %d, fragsize = %d " - "dmasize = %d\n", dmabuf->channel->num, - dmabuf->rate, dmabuf->fmt, dmabuf->numfrag, - dmabuf->fragsize, dmabuf->dmasize); - } - unlock_set_fmt(state); - return 0; -} - - -static inline int prog_dmabuf_record(struct trident_state* state) -{ - return prog_dmabuf(state, DM_RECORD); -} - -static inline int prog_dmabuf_playback(struct trident_state* state) -{ - return prog_dmabuf(state, DM_PLAYBACK); -} - -/* we are doing quantum mechanics here, the buffer can only be empty, half or full filled i.e. - |------------|------------| or |xxxxxxxxxxxx|------------| or |xxxxxxxxxxxx|xxxxxxxxxxxx| - but we almost always get this - |xxxxxx------|------------| or |xxxxxxxxxxxx|xxxxx-------| - so we have to clear the tail space to "silence" - |xxxxxx000000|------------| or |xxxxxxxxxxxx|xxxxxx000000| -*/ -static void -trident_clear_tail(struct trident_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - unsigned swptr; - unsigned char silence = (dmabuf->fmt & TRIDENT_FMT_16BIT) ? 0 : 0x80; - unsigned int len; - unsigned long flags; - - spin_lock_irqsave(&state->card->lock, flags); - swptr = dmabuf->swptr; - spin_unlock_irqrestore(&state->card->lock, flags); - - if (swptr == 0 || swptr == dmabuf->dmasize / 2 || - swptr == dmabuf->dmasize) - return; - - if (swptr < dmabuf->dmasize / 2) - len = dmabuf->dmasize / 2 - swptr; - else - len = dmabuf->dmasize - swptr; - - memset(dmabuf->rawbuf + swptr, silence, len); - if (state->card->pci_id != PCI_DEVICE_ID_ALI_5451) { - spin_lock_irqsave(&state->card->lock, flags); - dmabuf->swptr += len; - dmabuf->count += len; - spin_unlock_irqrestore(&state->card->lock, flags); - } - - /* restart the dma machine in case it is halted */ - start_dac(state); -} - -static int -drain_dac(struct trident_state *state, int nonblock) -{ - DECLARE_WAITQUEUE(wait, current); - struct dmabuf *dmabuf = &state->dmabuf; - unsigned long flags; - unsigned long tmo; - int count; - unsigned long diff = 0; - - if (dmabuf->mapped || !dmabuf->ready) - return 0; - - add_wait_queue(&dmabuf->wait, &wait); - for (;;) { - /* It seems that we have to set the current state to TASK_INTERRUPTIBLE - every time to make the process really go to sleep */ - set_current_state(TASK_INTERRUPTIBLE); - - spin_lock_irqsave(&state->card->lock, flags); - count = dmabuf->count; - spin_unlock_irqrestore(&state->card->lock, flags); - - if (count <= 0) - break; - - if (signal_pending(current)) - break; - - if (nonblock) { - remove_wait_queue(&dmabuf->wait, &wait); - set_current_state(TASK_RUNNING); - return -EBUSY; - } - - /* No matter how much data is left in the buffer, we have to wait until - CSO == ESO/2 or CSO == ESO when address engine interrupts */ - if (state->card->pci_id == PCI_DEVICE_ID_ALI_5451 || - state->card->pci_id == PCI_DEVICE_ID_INTERG_5050) { - diff = dmabuf->swptr - trident_get_dma_addr(state) + dmabuf->dmasize; - diff = diff % (dmabuf->dmasize); - tmo = (diff * HZ) / dmabuf->rate; - } else { - tmo = (dmabuf->dmasize * HZ) / dmabuf->rate; - } - tmo >>= sample_shift[dmabuf->fmt]; - if (!schedule_timeout(tmo ? tmo : 1) && tmo) { - break; - } - } - remove_wait_queue(&dmabuf->wait, &wait); - set_current_state(TASK_RUNNING); - if (signal_pending(current)) - return -ERESTARTSYS; - - return 0; -} - -/* update buffer manangement pointers, especially, */ -/* dmabuf->count and dmabuf->hwptr */ -static void -trident_update_ptr(struct trident_state *state) -{ - struct dmabuf *dmabuf = &state->dmabuf; - unsigned hwptr, swptr; - int clear_cnt = 0; - int diff; - unsigned char silence; - unsigned half_dmasize; - - /* update hardware pointer */ - hwptr = trident_get_dma_addr(state); - diff = (dmabuf->dmasize + hwptr - dmabuf->hwptr) % dmabuf->dmasize; - dmabuf->hwptr = hwptr; - dmabuf->total_bytes += diff; - - /* error handling and process wake up for ADC */ - if (dmabuf->enable == ADC_RUNNING) { - if (dmabuf->mapped) { - dmabuf->count -= diff; - if (dmabuf->count >= (signed) dmabuf->fragsize) - wake_up(&dmabuf->wait); - } else { - dmabuf->count += diff; - - if (dmabuf->count < 0 || - dmabuf->count > dmabuf->dmasize) { - /* buffer underrun or buffer overrun, */ - /* we have no way to recover it here, just */ - /* stop the machine and let the process */ - /* force hwptr and swptr to sync */ - __stop_adc(state); - dmabuf->error++; - } - if (dmabuf->count < (signed) dmabuf->dmasize / 2) - wake_up(&dmabuf->wait); - } - } - - /* error handling and process wake up for DAC */ - if (dmabuf->enable == DAC_RUNNING) { - if (dmabuf->mapped) { - dmabuf->count += diff; - if (dmabuf->count >= (signed) dmabuf->fragsize) - wake_up(&dmabuf->wait); - } else { - dmabuf->count -= diff; - - if (dmabuf->count < 0 || - dmabuf->count > dmabuf->dmasize) { - /* buffer underrun or buffer overrun, we have no way to recover - it here, just stop the machine and let the process force hwptr - and swptr to sync */ - __stop_dac(state); - dmabuf->error++; - } else if (!dmabuf->endcleared) { - swptr = dmabuf->swptr; - silence = (dmabuf->fmt & TRIDENT_FMT_16BIT ? 0 : 0x80); - if (dmabuf->update_flag & ALI_ADDRESS_INT_UPDATE) { - /* We must clear end data of 1/2 dmabuf if needed. - According to 1/2 algorithm of Address Engine Interrupt, - check the validation of the data of half dmasize. */ - half_dmasize = dmabuf->dmasize / 2; - if ((diff = hwptr - half_dmasize) < 0) - diff = hwptr; - if ((dmabuf->count + diff) < half_dmasize) { - //there is invalid data in the end of half buffer - if ((clear_cnt = half_dmasize - swptr) < 0) - clear_cnt += half_dmasize; - //clear the invalid data - memset(dmabuf->rawbuf + swptr, silence, clear_cnt); - if (state->chans_num == 6) { - clear_cnt = clear_cnt / 2; - swptr = swptr / 2; - memset(state->other_states[0]->dmabuf.rawbuf + swptr, - silence, clear_cnt); - memset(state->other_states[1]->dmabuf.rawbuf + swptr, - silence, clear_cnt); - memset(state->other_states[2]->dmabuf.rawbuf + swptr, - silence, clear_cnt); - memset(state->other_states[3]->dmabuf.rawbuf + swptr, - silence, clear_cnt); - } - dmabuf->endcleared = 1; - } - } else if (dmabuf->count < (signed) dmabuf->fragsize) { - clear_cnt = dmabuf->fragsize; - if ((swptr + clear_cnt) > dmabuf->dmasize) - clear_cnt = dmabuf->dmasize - swptr; - memset(dmabuf->rawbuf + swptr, silence, clear_cnt); - if (state->chans_num == 6) { - clear_cnt = clear_cnt / 2; - swptr = swptr / 2; - memset(state->other_states[0]->dmabuf.rawbuf + swptr, - silence, clear_cnt); - memset(state->other_states[1]->dmabuf.rawbuf + swptr, - silence, clear_cnt); - memset(state->other_states[2]->dmabuf.rawbuf + swptr, - silence, clear_cnt); - memset(state->other_states[3]->dmabuf.rawbuf + swptr, - silence, clear_cnt); - } - dmabuf->endcleared = 1; - } - } - /* trident_update_ptr is called by interrupt handler or by process via - ioctl/poll, we only wake up the waiting process when we have more - than 1/2 buffer free (always true for interrupt handler) */ - if (dmabuf->count < (signed) dmabuf->dmasize / 2) - wake_up(&dmabuf->wait); - } - } - dmabuf->update_flag &= ~ALI_ADDRESS_INT_UPDATE; -} - -static void -trident_address_interrupt(struct trident_card *card) -{ - int i; - struct trident_state *state; - unsigned int channel; - - /* Update the pointers for all channels we are running. */ - /* FIXME: should read interrupt status only once */ - for (i = 0; i < NR_HW_CH; i++) { - channel = 63 - i; - if (trident_check_channel_interrupt(card, channel)) { - trident_ack_channel_interrupt(card, channel); - if ((state = card->states[i]) != NULL) { - trident_update_ptr(state); - } else { - printk(KERN_WARNING "trident: spurious channel " - "irq %d.\n", channel); - trident_stop_voice(card, channel); - trident_disable_voice_irq(card, channel); - } - } - } -} - -static void -ali_hwvol_control(struct trident_card *card, int opt) -{ - u16 dwTemp, volume[2], mute, diff, *pVol[2]; - - dwTemp = ali_ac97_read(card->ac97_codec[0], 0x02); - mute = dwTemp & 0x8000; - volume[0] = dwTemp & 0x001f; - volume[1] = (dwTemp & 0x1f00) >> 8; - if (volume[0] < volume[1]) { - pVol[0] = &volume[0]; - pVol[1] = &volume[1]; - } else { - pVol[1] = &volume[0]; - pVol[0] = &volume[1]; - } - diff = *(pVol[1]) - *(pVol[0]); - - if (opt == 1) { // MUTE - dwTemp ^= 0x8000; - ali_ac97_write(card->ac97_codec[0], - 0x02, dwTemp); - } else if (opt == 2) { // Down - if (mute) - return; - if (*(pVol[1]) < 0x001f) { - (*pVol[1])++; - *(pVol[0]) = *(pVol[1]) - diff; - } - dwTemp &= 0xe0e0; - dwTemp |= (volume[0]) | (volume[1] << 8); - ali_ac97_write(card->ac97_codec[0], 0x02, dwTemp); - card->ac97_codec[0]->mixer_state[0] = ((32 - volume[0]) * 25 / 8) | - (((32 - volume[1]) * 25 / 8) << 8); - } else if (opt == 4) { // Up - if (mute) - return; - if (*(pVol[0]) > 0) { - (*pVol[0])--; - *(pVol[1]) = *(pVol[0]) + diff; - } - dwTemp &= 0xe0e0; - dwTemp |= (volume[0]) | (volume[1] << 8); - ali_ac97_write(card->ac97_codec[0], 0x02, dwTemp); - card->ac97_codec[0]->mixer_state[0] = ((32 - volume[0]) * 25 / 8) | - (((32 - volume[1]) * 25 / 8) << 8); - } else { - /* Nothing needs doing */ - } -} - -/* - * Re-enable reporting of vol change after 0.1 seconds - */ - -static void -ali_timeout(unsigned long ptr) -{ - struct trident_card *card = (struct trident_card *) ptr; - u16 temp = 0; - - /* Enable GPIO IRQ (MISCINT bit 18h) */ - temp = inw(TRID_REG(card, T4D_MISCINT + 2)); - temp |= 0x0004; - outw(temp, TRID_REG(card, T4D_MISCINT + 2)); -} - -/* - * Set up the timer to clear the vol change notification - */ - -static void -ali_set_timer(struct trident_card *card) -{ - /* Add Timer Routine to Enable GPIO IRQ */ - del_timer(&card->timer); /* Never queue twice */ - card->timer.function = ali_timeout; - card->timer.data = (unsigned long) card; - card->timer.expires = jiffies + HZ / 10; - add_timer(&card->timer); -} - -/* - * Process a GPIO event - */ - -static void -ali_queue_task(struct trident_card *card, int opt) -{ - u16 temp; - - /* Disable GPIO IRQ (MISCINT bit 18h) */ - temp = inw(TRID_REG(card, T4D_MISCINT + 2)); - temp &= (u16) (~0x0004); - outw(temp, TRID_REG(card, T4D_MISCINT + 2)); - - /* Adjust the volume */ - ali_hwvol_control(card, opt); - - /* Set the timer for 1/10th sec */ - ali_set_timer(card); -} - -static void -cyber_address_interrupt(struct trident_card *card) -{ - int i, irq_status; - struct trident_state *state; - unsigned int channel; - - /* Update the pointers for all channels we are running. */ - /* FIXED: read interrupt status only once */ - irq_status = inl(TRID_REG(card, T4D_AINT_A)); - - pr_debug("cyber_address_interrupt: irq_status 0x%X\n", irq_status); - - for (i = 0; i < NR_HW_CH; i++) { - channel = 31 - i; - if (irq_status & (1 << channel)) { - /* clear bit by writing a 1, zeroes are ignored */ - outl((1 << channel), TRID_REG(card, T4D_AINT_A)); - - pr_debug("cyber_interrupt: channel %d\n", channel); - - if ((state = card->states[i]) != NULL) { - trident_update_ptr(state); - } else { - printk(KERN_WARNING "cyber5050: spurious " - "channel irq %d.\n", channel); - trident_stop_voice(card, channel); - trident_disable_voice_irq(card, channel); - } - } - } -} - -static irqreturn_t -trident_interrupt(int irq, void *dev_id) -{ - struct trident_card *card = (struct trident_card *) dev_id; - u32 event; - u32 gpio; - - spin_lock(&card->lock); - event = inl(TRID_REG(card, T4D_MISCINT)); - - pr_debug("trident: trident_interrupt called, MISCINT = 0x%08x\n", - event); - - if (event & ADDRESS_IRQ) { - card->address_interrupt(card); - } - - if (card->pci_id == PCI_DEVICE_ID_ALI_5451) { - /* GPIO IRQ (H/W Volume Control) */ - event = inl(TRID_REG(card, T4D_MISCINT)); - if (event & (1 << 25)) { - gpio = inl(TRID_REG(card, ALI_GPIO)); - if (!timer_pending(&card->timer)) - ali_queue_task(card, gpio & 0x07); - } - event = inl(TRID_REG(card, T4D_MISCINT)); - outl(event | (ST_TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW), - TRID_REG(card, T4D_MISCINT)); - spin_unlock(&card->lock); - return IRQ_HANDLED; - } - - /* manually clear interrupt status, bad hardware design, blame T^2 */ - outl((ST_TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW), - TRID_REG(card, T4D_MISCINT)); - spin_unlock(&card->lock); - return IRQ_HANDLED; -} - -/* in this loop, dmabuf.count signifies the amount of data that is waiting */ -/* to be copied to the user's buffer. it is filled by the dma machine and */ -/* drained by this loop. */ -static ssize_t -trident_read(struct file *file, char __user *buffer, size_t count, loff_t * ppos) -{ - struct trident_state *state = (struct trident_state *)file->private_data; - struct dmabuf *dmabuf = &state->dmabuf; - ssize_t ret = 0; - unsigned long flags; - unsigned swptr; - int cnt; - - pr_debug("trident: trident_read called, count = %zd\n", count); - - VALIDATE_STATE(state); - - if (dmabuf->mapped) - return -ENXIO; - if (!access_ok(VERIFY_WRITE, buffer, count)) - return -EFAULT; - - mutex_lock(&state->sem); - if (!dmabuf->ready && (ret = prog_dmabuf_record(state))) - goto out; - - while (count > 0) { - spin_lock_irqsave(&state->card->lock, flags); - if (dmabuf->count > (signed) dmabuf->dmasize) { - /* buffer overrun, we are recovering from */ - /* sleep_on_timeout, resync hwptr and swptr, */ - /* make process flush the buffer */ - dmabuf->count = dmabuf->dmasize; - dmabuf->swptr = dmabuf->hwptr; - } - swptr = dmabuf->swptr; - cnt = dmabuf->dmasize - swptr; - if (dmabuf->count < cnt) - cnt = dmabuf->count; - spin_unlock_irqrestore(&state->card->lock, flags); - - if (cnt > count) - cnt = count; - if (cnt <= 0) { - unsigned long tmo; - /* buffer is empty, start the dma machine and */ - /* wait for data to be recorded */ - start_adc(state); - if (file->f_flags & O_NONBLOCK) { - if (!ret) - ret = -EAGAIN; - goto out; - } - - mutex_unlock(&state->sem); - /* No matter how much space left in the buffer, */ - /* we have to wait until CSO == ESO/2 or CSO == ESO */ - /* when address engine interrupts */ - tmo = (dmabuf->dmasize * HZ) / (dmabuf->rate * 2); - tmo >>= sample_shift[dmabuf->fmt]; - /* There are two situations when sleep_on_timeout returns, one is when - the interrupt is serviced correctly and the process is waked up by - ISR ON TIME. Another is when timeout is expired, which means that - either interrupt is NOT serviced correctly (pending interrupt) or it - is TOO LATE for the process to be scheduled to run (scheduler latency) - which results in a (potential) buffer overrun. And worse, there is - NOTHING we can do to prevent it. */ - if (!interruptible_sleep_on_timeout(&dmabuf->wait, tmo)) { - pr_debug(KERN_ERR "trident: recording schedule timeout, " - "dmasz %u fragsz %u count %i hwptr %u swptr %u\n", - dmabuf->dmasize, dmabuf->fragsize, dmabuf->count, - dmabuf->hwptr, dmabuf->swptr); - - /* a buffer overrun, we delay the recovery until next time the - while loop begin and we REALLY have space to record */ - } - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - goto out; - } - mutex_lock(&state->sem); - if (dmabuf->mapped) { - if (!ret) - ret = -ENXIO; - goto out; - } - continue; - } - - if (copy_to_user(buffer, dmabuf->rawbuf + swptr, cnt)) { - if (!ret) - ret = -EFAULT; - goto out; - } - - swptr = (swptr + cnt) % dmabuf->dmasize; - - spin_lock_irqsave(&state->card->lock, flags); - dmabuf->swptr = swptr; - dmabuf->count -= cnt; - spin_unlock_irqrestore(&state->card->lock, flags); - - count -= cnt; - buffer += cnt; - ret += cnt; - start_adc(state); - } -out: - mutex_unlock(&state->sem); - return ret; -} - -/* in this loop, dmabuf.count signifies the amount of data that is waiting to be dma to - the soundcard. it is drained by the dma machine and filled by this loop. */ - -static ssize_t -trident_write(struct file *file, const char __user *buffer, size_t count, loff_t * ppos) -{ - struct trident_state *state = (struct trident_state *)file->private_data; - struct dmabuf *dmabuf = &state->dmabuf; - ssize_t ret; - unsigned long flags; - unsigned swptr; - int cnt; - unsigned int state_cnt; - unsigned int copy_count; - int lret; /* for lock_set_fmt */ - - pr_debug("trident: trident_write called, count = %zd\n", count); - - VALIDATE_STATE(state); - - /* - * Guard against an mmap or ioctl while writing - */ - - mutex_lock(&state->sem); - - if (dmabuf->mapped) { - ret = -ENXIO; - goto out; - } - if (!dmabuf->ready && (ret = prog_dmabuf_playback(state))) - goto out; - - if (!access_ok(VERIFY_READ, buffer, count)) { - ret = -EFAULT; - goto out; - } - - ret = 0; - - while (count > 0) { - spin_lock_irqsave(&state->card->lock, flags); - if (dmabuf->count < 0) { - /* buffer underrun, we are recovering from */ - /* sleep_on_timeout, resync hwptr and swptr */ - dmabuf->count = 0; - dmabuf->swptr = dmabuf->hwptr; - } - swptr = dmabuf->swptr; - cnt = dmabuf->dmasize - swptr; - if (dmabuf->count + cnt > dmabuf->dmasize) - cnt = dmabuf->dmasize - dmabuf->count; - spin_unlock_irqrestore(&state->card->lock, flags); - - if (cnt > count) - cnt = count; - if (cnt <= 0) { - unsigned long tmo; - /* buffer is full, start the dma machine and */ - /* wait for data to be played */ - start_dac(state); - if (file->f_flags & O_NONBLOCK) { - if (!ret) - ret = -EAGAIN; - goto out; - } - /* No matter how much data left in the buffer, */ - /* we have to wait until CSO == ESO/2 or CSO == ESO */ - /* when address engine interrupts */ - lock_set_fmt(state); - tmo = (dmabuf->dmasize * HZ) / (dmabuf->rate * 2); - tmo >>= sample_shift[dmabuf->fmt]; - unlock_set_fmt(state); - mutex_unlock(&state->sem); - - /* There are two situations when sleep_on_timeout */ - /* returns, one is when the interrupt is serviced */ - /* correctly and the process is waked up by ISR */ - /* ON TIME. Another is when timeout is expired, which */ - /* means that either interrupt is NOT serviced */ - /* correctly (pending interrupt) or it is TOO LATE */ - /* for the process to be scheduled to run */ - /* (scheduler latency) which results in a (potential) */ - /* buffer underrun. And worse, there is NOTHING we */ - /* can do to prevent it. */ - if (!interruptible_sleep_on_timeout(&dmabuf->wait, tmo)) { - pr_debug(KERN_ERR "trident: playback schedule " - "timeout, dmasz %u fragsz %u count %i " - "hwptr %u swptr %u\n", dmabuf->dmasize, - dmabuf->fragsize, dmabuf->count, - dmabuf->hwptr, dmabuf->swptr); - - /* a buffer underrun, we delay the recovery */ - /* until next time the while loop begin and */ - /* we REALLY have data to play */ - } - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - goto out_nolock; - } - mutex_lock(&state->sem); - if (dmabuf->mapped) { - if (!ret) - ret = -ENXIO; - goto out; - } - continue; - } - if ((lret = lock_set_fmt(state)) < 0) { - ret = lret; - goto out; - } - - if (state->chans_num == 6) { - copy_count = 0; - state_cnt = 0; - if (ali_write_5_1(state, buffer, cnt, ©_count, - &state_cnt) == -EFAULT) { - if (state_cnt) { - swptr = (swptr + state_cnt) % dmabuf->dmasize; - spin_lock_irqsave(&state->card->lock, flags); - dmabuf->swptr = swptr; - dmabuf->count += state_cnt; - dmabuf->endcleared = 0; - spin_unlock_irqrestore(&state->card->lock, flags); - } - ret += copy_count; - if (!ret) - ret = -EFAULT; - unlock_set_fmt(state); - goto out; - } - } else { - if (copy_from_user(dmabuf->rawbuf + swptr, - buffer, cnt)) { - if (!ret) - ret = -EFAULT; - unlock_set_fmt(state); - goto out; - } - state_cnt = cnt; - } - unlock_set_fmt(state); - - swptr = (swptr + state_cnt) % dmabuf->dmasize; - - spin_lock_irqsave(&state->card->lock, flags); - dmabuf->swptr = swptr; - dmabuf->count += state_cnt; - dmabuf->endcleared = 0; - spin_unlock_irqrestore(&state->card->lock, flags); - - count -= cnt; - buffer += cnt; - ret += cnt; - start_dac(state); - } -out: - mutex_unlock(&state->sem); -out_nolock: - return ret; -} - -/* No kernel lock - we have our own spinlock */ -static unsigned int -trident_poll(struct file *file, struct poll_table_struct *wait) -{ - struct trident_state *state = (struct trident_state *)file->private_data; - struct dmabuf *dmabuf = &state->dmabuf; - unsigned long flags; - unsigned int mask = 0; - - VALIDATE_STATE(state); - - /* - * Guard against a parallel poll and write causing multiple - * prog_dmabuf events - */ - - mutex_lock(&state->sem); - - if (file->f_mode & FMODE_WRITE) { - if (!dmabuf->ready && prog_dmabuf_playback(state)) { - mutex_unlock(&state->sem); - return 0; - } - poll_wait(file, &dmabuf->wait, wait); - } - if (file->f_mode & FMODE_READ) { - if (!dmabuf->ready && prog_dmabuf_record(state)) { - mutex_unlock(&state->sem); - return 0; - } - poll_wait(file, &dmabuf->wait, wait); - } - - mutex_unlock(&state->sem); - - spin_lock_irqsave(&state->card->lock, flags); - trident_update_ptr(state); - if (file->f_mode & FMODE_READ) { - if (dmabuf->count >= (signed) dmabuf->fragsize) - mask |= POLLIN | POLLRDNORM; - } - if (file->f_mode & FMODE_WRITE) { - if (dmabuf->mapped) { - if (dmabuf->count >= (signed) dmabuf->fragsize) - mask |= POLLOUT | POLLWRNORM; - } else { - if ((signed) dmabuf->dmasize >= dmabuf->count + - (signed) dmabuf->fragsize) - mask |= POLLOUT | POLLWRNORM; - } - } - spin_unlock_irqrestore(&state->card->lock, flags); - - return mask; -} - -static int -trident_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct trident_state *state = (struct trident_state *)file->private_data; - struct dmabuf *dmabuf = &state->dmabuf; - int ret = -EINVAL; - unsigned long size; - - VALIDATE_STATE(state); - - /* - * Lock against poll read write or mmap creating buffers. Also lock - * a read or write against an mmap. - */ - - mutex_lock(&state->sem); - - if (vma->vm_flags & VM_WRITE) { - if ((ret = prog_dmabuf_playback(state)) != 0) - goto out; - } else if (vma->vm_flags & VM_READ) { - if ((ret = prog_dmabuf_record(state)) != 0) - goto out; - } else - goto out; - - ret = -EINVAL; - if (vma->vm_pgoff != 0) - goto out; - size = vma->vm_end - vma->vm_start; - if (size > (PAGE_SIZE << dmabuf->buforder)) - goto out; - ret = -EAGAIN; - if (remap_pfn_range(vma, vma->vm_start, - virt_to_phys(dmabuf->rawbuf) >> PAGE_SHIFT, - size, vma->vm_page_prot)) - goto out; - dmabuf->mapped = 1; - ret = 0; -out: - mutex_unlock(&state->sem); - return ret; -} - -static int -trident_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) -{ - struct trident_state *state = (struct trident_state *)file->private_data; - struct dmabuf *dmabuf = &state->dmabuf; - unsigned long flags; - audio_buf_info abinfo; - count_info cinfo; - int val, mapped, ret = 0; - struct trident_card *card = state->card; - void __user *argp = (void __user *)arg; - int __user *p = argp; - - VALIDATE_STATE(state); - - - mapped = ((file->f_mode & (FMODE_WRITE | FMODE_READ)) && dmabuf->mapped); - - pr_debug("trident: trident_ioctl, command = %2d, arg = 0x%08x\n", - _IOC_NR(cmd), arg ? *p : 0); - - switch (cmd) { - case OSS_GETVERSION: - ret = put_user(SOUND_VERSION, p); - break; - - case SNDCTL_DSP_RESET: - /* FIXME: spin_lock ? */ - if (file->f_mode & FMODE_WRITE) { - stop_dac(state); - synchronize_irq(card->irq); - dmabuf->ready = 0; - dmabuf->swptr = dmabuf->hwptr = 0; - dmabuf->count = dmabuf->total_bytes = 0; - } - if (file->f_mode & FMODE_READ) { - stop_adc(state); - synchronize_irq(card->irq); - dmabuf->ready = 0; - dmabuf->swptr = dmabuf->hwptr = 0; - dmabuf->count = dmabuf->total_bytes = 0; - } - break; - - case SNDCTL_DSP_SYNC: - if (file->f_mode & FMODE_WRITE) - ret = drain_dac(state, file->f_flags & O_NONBLOCK); - break; - - case SNDCTL_DSP_SPEED: /* set smaple rate */ - if (get_user(val, p)) { - ret = -EFAULT; - break; - } - if (val >= 0) { - if (file->f_mode & FMODE_WRITE) { - stop_dac(state); - dmabuf->ready = 0; - spin_lock_irqsave(&state->card->lock, flags); - trident_set_dac_rate(state, val); - spin_unlock_irqrestore(&state->card->lock, flags); - } - if (file->f_mode & FMODE_READ) { - stop_adc(state); - dmabuf->ready = 0; - spin_lock_irqsave(&state->card->lock, flags); - trident_set_adc_rate(state, val); - spin_unlock_irqrestore(&state->card->lock, flags); - } - } - ret = put_user(dmabuf->rate, p); - break; - - case SNDCTL_DSP_STEREO: /* set stereo or mono channel */ - if (get_user(val, p)) { - ret = -EFAULT; - break; - } - if ((ret = lock_set_fmt(state)) < 0) - return ret; - - if (file->f_mode & FMODE_WRITE) { - stop_dac(state); - dmabuf->ready = 0; - if (val) - dmabuf->fmt |= TRIDENT_FMT_STEREO; - else - dmabuf->fmt &= ~TRIDENT_FMT_STEREO; - } - if (file->f_mode & FMODE_READ) { - stop_adc(state); - dmabuf->ready = 0; - if (val) - dmabuf->fmt |= TRIDENT_FMT_STEREO; - else - dmabuf->fmt &= ~TRIDENT_FMT_STEREO; - } - unlock_set_fmt(state); - break; - - case SNDCTL_DSP_GETBLKSIZE: - if (file->f_mode & FMODE_WRITE) { - if ((val = prog_dmabuf_playback(state))) - ret = val; - else - ret = put_user(dmabuf->fragsize, p); - break; - } - if (file->f_mode & FMODE_READ) { - if ((val = prog_dmabuf_record(state))) - ret = val; - else - ret = put_user(dmabuf->fragsize, p); - break; - } - /* neither READ nor WRITE? is this even possible? */ - ret = -EINVAL; - break; - - - case SNDCTL_DSP_GETFMTS: /* Returns a mask of supported sample format */ - ret = put_user(AFMT_S16_LE | AFMT_U16_LE | AFMT_S8 | - AFMT_U8, p); - break; - - case SNDCTL_DSP_SETFMT: /* Select sample format */ - if (get_user(val, p)) { - ret = -EFAULT; - break; - } - if ((ret = lock_set_fmt(state)) < 0) - return ret; - - if (val != AFMT_QUERY) { - if (file->f_mode & FMODE_WRITE) { - stop_dac(state); - dmabuf->ready = 0; - if (val == AFMT_S16_LE) - dmabuf->fmt |= TRIDENT_FMT_16BIT; - else - dmabuf->fmt &= ~TRIDENT_FMT_16BIT; - } - if (file->f_mode & FMODE_READ) { - stop_adc(state); - dmabuf->ready = 0; - if (val == AFMT_S16_LE) - dmabuf->fmt |= TRIDENT_FMT_16BIT; - else - dmabuf->fmt &= ~TRIDENT_FMT_16BIT; - } - } - unlock_set_fmt(state); - ret = put_user((dmabuf->fmt & TRIDENT_FMT_16BIT) ? AFMT_S16_LE : - AFMT_U8, p); - break; - - case SNDCTL_DSP_CHANNELS: - if (get_user(val, p)) { - ret = -EFAULT; - break; - } - if (val != 0) { - if ((ret = lock_set_fmt(state)) < 0) - return ret; - - if (file->f_mode & FMODE_WRITE) { - stop_dac(state); - dmabuf->ready = 0; - - //prevent from memory leak - if ((state->chans_num > 2) && (state->chans_num != val)) { - ali_free_other_states_resources(state); - state->chans_num = 1; - } - - if (val >= 2) { - - dmabuf->fmt |= TRIDENT_FMT_STEREO; - if ((val == 6) && (state->card->pci_id == PCI_DEVICE_ID_ALI_5451)) { - if (card->rec_channel_use_count > 0) { - printk(KERN_ERR "trident: Record is " - "working on the card!\n"); - ret = -EBUSY; - unlock_set_fmt(state); - break; - } - - ret = ali_setup_multi_channels(state->card, 6); - if (ret < 0) { - unlock_set_fmt(state); - break; - } - mutex_lock(&state->card->open_mutex); - ret = ali_allocate_other_states_resources(state, 6); - if (ret < 0) { - mutex_unlock(&state->card->open_mutex); - unlock_set_fmt(state); - break; - } - state->card->multi_channel_use_count++; - mutex_unlock(&state->card->open_mutex); - } else - val = 2; /*yield to 2-channels */ - } else - dmabuf->fmt &= ~TRIDENT_FMT_STEREO; - state->chans_num = val; - } - if (file->f_mode & FMODE_READ) { - stop_adc(state); - dmabuf->ready = 0; - if (val >= 2) { - if (!((file->f_mode & FMODE_WRITE) && - (val == 6))) - val = 2; - dmabuf->fmt |= TRIDENT_FMT_STEREO; - } else - dmabuf->fmt &= ~TRIDENT_FMT_STEREO; - state->chans_num = val; - } - unlock_set_fmt(state); - } - ret = put_user(val, p); - break; - - case SNDCTL_DSP_POST: - /* Cause the working fragment to be output */ - break; - - case SNDCTL_DSP_SUBDIVIDE: - if (dmabuf->subdivision) { - ret = -EINVAL; - break; - } - if (get_user(val, p)) { - ret = -EFAULT; - break; - } - if (val != 1 && val != 2 && val != 4) { - ret = -EINVAL; - break; - } - dmabuf->subdivision = val; - break; - - case SNDCTL_DSP_SETFRAGMENT: - if (get_user(val, p)) { - ret = -EFAULT; - break; - } - - dmabuf->ossfragshift = val & 0xffff; - dmabuf->ossmaxfrags = (val >> 16) & 0xffff; - if (dmabuf->ossfragshift < 4) - dmabuf->ossfragshift = 4; - if (dmabuf->ossfragshift > 15) - dmabuf->ossfragshift = 15; - if (dmabuf->ossmaxfrags < 4) - dmabuf->ossmaxfrags = 4; - - break; - - case SNDCTL_DSP_GETOSPACE: - if (!(file->f_mode & FMODE_WRITE)) { - ret = -EINVAL; - break; - } - if (!dmabuf->ready && (val = prog_dmabuf_playback(state)) != 0) { - ret = val; - break; - } - spin_lock_irqsave(&state->card->lock, flags); - trident_update_ptr(state); - abinfo.fragsize = dmabuf->fragsize; - abinfo.bytes = dmabuf->dmasize - dmabuf->count; - abinfo.fragstotal = dmabuf->numfrag; - abinfo.fragments = abinfo.bytes >> dmabuf->fragshift; - spin_unlock_irqrestore(&state->card->lock, flags); - ret = copy_to_user(argp, &abinfo, sizeof (abinfo)) ? - -EFAULT : 0; - break; - - case SNDCTL_DSP_GETISPACE: - if (!(file->f_mode & FMODE_READ)) { - ret = -EINVAL; - break; - } - if (!dmabuf->ready && (val = prog_dmabuf_record(state)) != 0) { - ret = val; - break; - } - spin_lock_irqsave(&state->card->lock, flags); - trident_update_ptr(state); - abinfo.fragsize = dmabuf->fragsize; - abinfo.bytes = dmabuf->count; - abinfo.fragstotal = dmabuf->numfrag; - abinfo.fragments = abinfo.bytes >> dmabuf->fragshift; - spin_unlock_irqrestore(&state->card->lock, flags); - ret = copy_to_user(argp, &abinfo, sizeof (abinfo)) ? - -EFAULT : 0; - break; - - case SNDCTL_DSP_NONBLOCK: - file->f_flags |= O_NONBLOCK; - break; - - case SNDCTL_DSP_GETCAPS: - ret = put_user(DSP_CAP_REALTIME | DSP_CAP_TRIGGER | - DSP_CAP_MMAP | DSP_CAP_BIND, p); - break; - - case SNDCTL_DSP_GETTRIGGER: - val = 0; - if ((file->f_mode & FMODE_READ) && dmabuf->enable) - val |= PCM_ENABLE_INPUT; - if ((file->f_mode & FMODE_WRITE) && dmabuf->enable) - val |= PCM_ENABLE_OUTPUT; - ret = put_user(val, p); - break; - - case SNDCTL_DSP_SETTRIGGER: - if (get_user(val, p)) { - ret = -EFAULT; - break; - } - if (file->f_mode & FMODE_READ) { - if (val & PCM_ENABLE_INPUT) { - if (!dmabuf->ready && - (ret = prog_dmabuf_record(state))) - break; - start_adc(state); - } else - stop_adc(state); - } - if (file->f_mode & FMODE_WRITE) { - if (val & PCM_ENABLE_OUTPUT) { - if (!dmabuf->ready && - (ret = prog_dmabuf_playback(state))) - break; - start_dac(state); - } else - stop_dac(state); - } - break; - - case SNDCTL_DSP_GETIPTR: - if (!(file->f_mode & FMODE_READ)) { - ret = -EINVAL; - break; - } - if (!dmabuf->ready && (val = prog_dmabuf_record(state)) - != 0) { - ret = val; - break; - } - spin_lock_irqsave(&state->card->lock, flags); - trident_update_ptr(state); - cinfo.bytes = dmabuf->total_bytes; - cinfo.blocks = dmabuf->count >> dmabuf->fragshift; - cinfo.ptr = dmabuf->hwptr; - if (dmabuf->mapped) - dmabuf->count &= dmabuf->fragsize - 1; - spin_unlock_irqrestore(&state->card->lock, flags); - ret = copy_to_user(argp, &cinfo, sizeof (cinfo)) ? - -EFAULT : 0; - break; - - case SNDCTL_DSP_GETOPTR: - if (!(file->f_mode & FMODE_WRITE)) { - ret = -EINVAL; - break; - } - if (!dmabuf->ready && (val = prog_dmabuf_playback(state)) - != 0) { - ret = val; - break; - } - - spin_lock_irqsave(&state->card->lock, flags); - trident_update_ptr(state); - cinfo.bytes = dmabuf->total_bytes; - cinfo.blocks = dmabuf->count >> dmabuf->fragshift; - cinfo.ptr = dmabuf->hwptr; - if (dmabuf->mapped) - dmabuf->count &= dmabuf->fragsize - 1; - spin_unlock_irqrestore(&state->card->lock, flags); - ret = copy_to_user(argp, &cinfo, sizeof (cinfo)) ? - -EFAULT : 0; - break; - - case SNDCTL_DSP_SETDUPLEX: - ret = -EINVAL; - break; - - case SNDCTL_DSP_GETODELAY: - if (!(file->f_mode & FMODE_WRITE)) { - ret = -EINVAL; - break; - } - if (!dmabuf->ready && (val = prog_dmabuf_playback(state)) != 0) { - ret = val; - break; - } - spin_lock_irqsave(&state->card->lock, flags); - trident_update_ptr(state); - val = dmabuf->count; - spin_unlock_irqrestore(&state->card->lock, flags); - ret = put_user(val, p); - break; - - case SOUND_PCM_READ_RATE: - ret = put_user(dmabuf->rate, p); - break; - - case SOUND_PCM_READ_CHANNELS: - ret = put_user((dmabuf->fmt & TRIDENT_FMT_STEREO) ? 2 : 1, - p); - break; - - case SOUND_PCM_READ_BITS: - ret = put_user((dmabuf->fmt & TRIDENT_FMT_16BIT) ? AFMT_S16_LE : - AFMT_U8, p); - break; - - case SNDCTL_DSP_GETCHANNELMASK: - ret = put_user(DSP_BIND_FRONT | DSP_BIND_SURR | - DSP_BIND_CENTER_LFE, p); - break; - - case SNDCTL_DSP_BIND_CHANNEL: - if (state->card->pci_id != PCI_DEVICE_ID_SI_7018) { - ret = -EINVAL; - break; - } - - if (get_user(val, p)) { - ret = -EFAULT; - break; - } - if (val == DSP_BIND_QUERY) { - val = dmabuf->channel->attribute | 0x3c00; - val = attr2mask[val >> 8]; - } else { - dmabuf->ready = 0; - if (file->f_mode & FMODE_READ) - dmabuf->channel->attribute = (CHANNEL_REC | - SRC_ENABLE); - if (file->f_mode & FMODE_WRITE) - dmabuf->channel->attribute = (CHANNEL_SPC_PB | - SRC_ENABLE); - dmabuf->channel->attribute |= mask2attr[ffs(val)]; - } - ret = put_user(val, p); - break; - - case SNDCTL_DSP_MAPINBUF: - case SNDCTL_DSP_MAPOUTBUF: - case SNDCTL_DSP_SETSYNCRO: - case SOUND_PCM_WRITE_FILTER: - case SOUND_PCM_READ_FILTER: - default: - ret = -EINVAL; - break; - - } - return ret; -} - -static int -trident_open(struct inode *inode, struct file *file) -{ - int i = 0; - int minor = iminor(inode); - struct trident_card *card = devs; - struct trident_state *state = NULL; - struct dmabuf *dmabuf = NULL; - unsigned long flags; - - /* Added by Matt Wu 01-05-2001 */ - /* TODO: there's some redundacy here wrt the check below */ - /* for multi_use_count > 0. Should we return -EBUSY or find */ - /* a different card? for now, don't break current behaviour */ - /* -- mulix */ - if (file->f_mode & FMODE_READ) { - if (card->pci_id == PCI_DEVICE_ID_ALI_5451) { - if (card->multi_channel_use_count > 0) - return -EBUSY; - } - } - - /* find an available virtual channel (instance of /dev/dsp) */ - while (card != NULL) { - mutex_lock(&card->open_mutex); - if (file->f_mode & FMODE_READ) { - /* Skip opens on cards that are in 6 channel mode */ - if (card->multi_channel_use_count > 0) { - mutex_unlock(&card->open_mutex); - card = card->next; - continue; - } - } - for (i = 0; i < NR_HW_CH; i++) { - if (card->states[i] == NULL) { - state = card->states[i] = kzalloc(sizeof(*state), GFP_KERNEL); - if (state == NULL) { - mutex_unlock(&card->open_mutex); - return -ENOMEM; - } - mutex_init(&state->sem); - dmabuf = &state->dmabuf; - goto found_virt; - } - } - mutex_unlock(&card->open_mutex); - card = card->next; - } - /* no more virtual channel avaiable */ - if (!state) { - return -ENODEV; - } - found_virt: - /* found a free virtual channel, allocate hardware channels */ - if (file->f_mode & FMODE_READ) - dmabuf->channel = card->alloc_rec_pcm_channel(card); - else - dmabuf->channel = card->alloc_pcm_channel(card); - - if (dmabuf->channel == NULL) { - kfree(card->states[i]); - card->states[i] = NULL; - return -ENODEV; - } - - /* initialize the virtual channel */ - state->virt = i; - state->card = card; - state->magic = TRIDENT_STATE_MAGIC; - init_waitqueue_head(&dmabuf->wait); - file->private_data = state; - - /* set default sample format. According to OSS Programmer's */ - /* Guide /dev/dsp should be default to unsigned 8-bits, mono, */ - /* with sample rate 8kHz and /dev/dspW will accept 16-bits sample */ - if (file->f_mode & FMODE_WRITE) { - dmabuf->fmt &= ~TRIDENT_FMT_MASK; - if ((minor & 0x0f) == SND_DEV_DSP16) - dmabuf->fmt |= TRIDENT_FMT_16BIT; - dmabuf->ossfragshift = 0; - dmabuf->ossmaxfrags = 0; - dmabuf->subdivision = 0; - if (card->pci_id == PCI_DEVICE_ID_SI_7018) { - /* set default channel attribute to normal playback */ - dmabuf->channel->attribute = CHANNEL_PB; - } - spin_lock_irqsave(&card->lock, flags); - trident_set_dac_rate(state, 8000); - spin_unlock_irqrestore(&card->lock, flags); - } - - if (file->f_mode & FMODE_READ) { - /* FIXME: Trident 4d can only record in signed 16-bits stereo, */ - /* 48kHz sample, to be dealed with in trident_set_adc_rate() ?? */ - dmabuf->fmt &= ~TRIDENT_FMT_MASK; - if ((minor & 0x0f) == SND_DEV_DSP16) - dmabuf->fmt |= TRIDENT_FMT_16BIT; - dmabuf->ossfragshift = 0; - dmabuf->ossmaxfrags = 0; - dmabuf->subdivision = 0; - if (card->pci_id == PCI_DEVICE_ID_SI_7018) { - /* set default channel attribute to 0x8a80, record from - PCM L/R FIFO and mono = (left + right + 1)/2 */ - dmabuf->channel->attribute = (CHANNEL_REC | PCM_LR | - MONO_MIX); - } - spin_lock_irqsave(&card->lock, flags); - trident_set_adc_rate(state, 8000); - spin_unlock_irqrestore(&card->lock, flags); - - /* Added by Matt Wu 01-05-2001 */ - if (card->pci_id == PCI_DEVICE_ID_ALI_5451) - card->rec_channel_use_count++; - } - - state->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE); - mutex_unlock(&card->open_mutex); - - pr_debug("trident: open virtual channel %d, hard channel %d\n", - state->virt, dmabuf->channel->num); - - return nonseekable_open(inode, file); -} - -static int -trident_release(struct inode *inode, struct file *file) -{ - struct trident_state *state = (struct trident_state *)file->private_data; - struct trident_card *card; - struct dmabuf *dmabuf; - - VALIDATE_STATE(state); - - card = state->card; - dmabuf = &state->dmabuf; - - if (file->f_mode & FMODE_WRITE) { - trident_clear_tail(state); - drain_dac(state, file->f_flags & O_NONBLOCK); - } - - pr_debug("trident: closing virtual channel %d, hard channel %d\n", - state->virt, dmabuf->channel->num); - - /* stop DMA state machine and free DMA buffers/channels */ - mutex_lock(&card->open_mutex); - - if (file->f_mode & FMODE_WRITE) { - stop_dac(state); - dealloc_dmabuf(&state->dmabuf, state->card->pci_dev); - state->card->free_pcm_channel(state->card, dmabuf->channel->num); - - /* Added by Matt Wu */ - if (card->pci_id == PCI_DEVICE_ID_ALI_5451) { - if (state->chans_num > 2) { - if (card->multi_channel_use_count-- < 0) - card->multi_channel_use_count = 0; - if (card->multi_channel_use_count == 0) - ali_close_multi_channels(); - ali_free_other_states_resources(state); - } - } - } - if (file->f_mode & FMODE_READ) { - stop_adc(state); - dealloc_dmabuf(&state->dmabuf, state->card->pci_dev); - state->card->free_pcm_channel(state->card, dmabuf->channel->num); - - /* Added by Matt Wu */ - if (card->pci_id == PCI_DEVICE_ID_ALI_5451) { - if (card->rec_channel_use_count-- < 0) - card->rec_channel_use_count = 0; - } - } - - card->states[state->virt] = NULL; - kfree(state); - - /* we're covered by the open_mutex */ - mutex_unlock(&card->open_mutex); - - return 0; -} - -static const struct file_operations trident_audio_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .read = trident_read, - .write = trident_write, - .poll = trident_poll, - .ioctl = trident_ioctl, - .mmap = trident_mmap, - .open = trident_open, - .release = trident_release, -}; - -/* trident specific AC97 functions */ -/* Write AC97 codec registers */ -static void -trident_ac97_set(struct ac97_codec *codec, u8 reg, u16 val) -{ - struct trident_card *card = (struct trident_card *)codec->private_data; - unsigned int address, mask, busy; - unsigned short count = 0xffff; - unsigned long flags; - u32 data; - - data = ((u32) val) << 16; - - switch (card->pci_id) { - default: - case PCI_DEVICE_ID_SI_7018: - address = SI_AC97_WRITE; - mask = SI_AC97_BUSY_WRITE | SI_AC97_AUDIO_BUSY; - if (codec->id) - mask |= SI_AC97_SECONDARY; - busy = SI_AC97_BUSY_WRITE; - break; - case PCI_DEVICE_ID_TRIDENT_4DWAVE_DX: - address = DX_ACR0_AC97_W; - mask = busy = DX_AC97_BUSY_WRITE; - break; - case PCI_DEVICE_ID_TRIDENT_4DWAVE_NX: - address = NX_ACR1_AC97_W; - mask = NX_AC97_BUSY_WRITE; - if (codec->id) - mask |= NX_AC97_WRITE_SECONDARY; - busy = NX_AC97_BUSY_WRITE; - break; - case PCI_DEVICE_ID_INTERG_5050: - address = SI_AC97_WRITE; - mask = busy = SI_AC97_BUSY_WRITE; - if (codec->id) - mask |= SI_AC97_SECONDARY; - break; - } - - spin_lock_irqsave(&card->lock, flags); - do { - if ((inw(TRID_REG(card, address)) & busy) == 0) - break; - } while (--count); - - data |= (mask | (reg & AC97_REG_ADDR)); - - if (count == 0) { - printk(KERN_ERR "trident: AC97 CODEC write timed out.\n"); - spin_unlock_irqrestore(&card->lock, flags); - return; - } - - outl(data, TRID_REG(card, address)); - spin_unlock_irqrestore(&card->lock, flags); -} - -/* Read AC97 codec registers */ -static u16 -trident_ac97_get(struct ac97_codec *codec, u8 reg) -{ - struct trident_card *card = (struct trident_card *)codec->private_data; - unsigned int address, mask, busy; - unsigned short count = 0xffff; - unsigned long flags; - u32 data; - - switch (card->pci_id) { - default: - case PCI_DEVICE_ID_SI_7018: - address = SI_AC97_READ; - mask = SI_AC97_BUSY_READ | SI_AC97_AUDIO_BUSY; - if (codec->id) - mask |= SI_AC97_SECONDARY; - busy = SI_AC97_BUSY_READ; - break; - case PCI_DEVICE_ID_TRIDENT_4DWAVE_DX: - address = DX_ACR1_AC97_R; - mask = busy = DX_AC97_BUSY_READ; - break; - case PCI_DEVICE_ID_TRIDENT_4DWAVE_NX: - if (codec->id) - address = NX_ACR3_AC97_R_SECONDARY; - else - address = NX_ACR2_AC97_R_PRIMARY; - mask = NX_AC97_BUSY_READ; - busy = NX_AC97_BUSY_READ | NX_AC97_BUSY_DATA; - break; - case PCI_DEVICE_ID_INTERG_5050: - address = SI_AC97_READ; - mask = busy = SI_AC97_BUSY_READ; - if (codec->id) - mask |= SI_AC97_SECONDARY; - break; - } - - data = (mask | (reg & AC97_REG_ADDR)); - - spin_lock_irqsave(&card->lock, flags); - outl(data, TRID_REG(card, address)); - do { - data = inl(TRID_REG(card, address)); - if ((data & busy) == 0) - break; - } while (--count); - spin_unlock_irqrestore(&card->lock, flags); - - if (count == 0) { - printk(KERN_ERR "trident: AC97 CODEC read timed out.\n"); - data = 0; - } - return ((u16) (data >> 16)); -} - -/* rewrite ac97 read and write mixer register by hulei for ALI*/ -static int -acquirecodecaccess(struct trident_card *card) -{ - u16 wsemamask = 0x6000; /* bit 14..13 */ - u16 wsemabits; - u16 wcontrol; - int block = 0; - int ncount = 25; - while (1) { - wcontrol = inw(TRID_REG(card, ALI_AC97_WRITE)); - wsemabits = wcontrol & wsemamask; - - if (wsemabits == 0x4000) - return 1; /* 0x4000 is audio ,then success */ - if (ncount-- < 0) - break; - if (wsemabits == 0) { - unlock: - outl(((u32) (wcontrol & 0x1eff) | 0x00004000), - TRID_REG(card, ALI_AC97_WRITE)); - continue; - } - udelay(20); - } - if (!block) { - pr_debug("accesscodecsemaphore: try unlock\n"); - block = 1; - goto unlock; - } - return 0; -} - -static void -releasecodecaccess(struct trident_card *card) -{ - unsigned long wcontrol; - wcontrol = inl(TRID_REG(card, ALI_AC97_WRITE)); - outl((wcontrol & 0xffff1eff), TRID_REG(card, ALI_AC97_WRITE)); -} - -static int -waitforstimertick(struct trident_card *card) -{ - unsigned long chk1, chk2; - unsigned int wcount = 0xffff; - chk1 = inl(TRID_REG(card, ALI_STIMER)); - - while (1) { - chk2 = inl(TRID_REG(card, ALI_STIMER)); - if ((wcount > 0) && chk1 != chk2) - return 1; - if (wcount <= 0) - break; - udelay(50); - } - return 0; -} - -/* Read AC97 codec registers for ALi*/ -static u16 -ali_ac97_get(struct trident_card *card, int secondary, u8 reg) -{ - unsigned int address, mask; - unsigned int ncount; - unsigned long aud_reg; - u32 data; - u16 wcontrol; - unsigned long flags; - - BUG_ON(!card); - - address = ALI_AC97_READ; - if (card->revision == ALI_5451_V02) { - address = ALI_AC97_WRITE; - } - mask = ALI_AC97_READ_ACTION | ALI_AC97_AUDIO_BUSY; - if (secondary) - mask |= ALI_AC97_SECONDARY; - - spin_lock_irqsave(&card->lock, flags); - - if (!acquirecodecaccess(card)) - printk(KERN_ERR "access codec fail\n"); - - wcontrol = inw(TRID_REG(card, ALI_AC97_WRITE)); - wcontrol &= 0xfe00; - wcontrol |= (0x8000 | reg); - outw(wcontrol, TRID_REG(card, ALI_AC97_WRITE)); - - data = (mask | (reg & AC97_REG_ADDR)); - - if (!waitforstimertick(card)) { - printk(KERN_ERR "ali_ac97_read: BIT_CLOCK is dead\n"); - goto releasecodec; - } - - udelay(20); - - ncount = 10; - - while (1) { - if ((inw(TRID_REG(card, ALI_AC97_WRITE)) & ALI_AC97_BUSY_READ) - != 0) - break; - if (ncount <= 0) - break; - if (ncount-- == 1) { - pr_debug("ali_ac97_read :try clear busy flag\n"); - aud_reg = inl(TRID_REG(card, ALI_AC97_WRITE)); - outl((aud_reg & 0xffff7fff), - TRID_REG(card, ALI_AC97_WRITE)); - } - udelay(10); - } - - data = inl(TRID_REG(card, address)); - - spin_unlock_irqrestore(&card->lock, flags); - - return ((u16) (data >> 16)); - - releasecodec: - releasecodecaccess(card); - spin_unlock_irqrestore(&card->lock, flags); - printk(KERN_ERR "ali_ac97_read: AC97 CODEC read timed out.\n"); - return 0; -} - -/* Write AC97 codec registers for hulei*/ -static void -ali_ac97_set(struct trident_card *card, int secondary, u8 reg, u16 val) -{ - unsigned int address, mask; - unsigned int ncount; - u32 data; - u16 wcontrol; - unsigned long flags; - - data = ((u32) val) << 16; - - BUG_ON(!card); - - address = ALI_AC97_WRITE; - mask = ALI_AC97_WRITE_ACTION | ALI_AC97_AUDIO_BUSY; - if (secondary) - mask |= ALI_AC97_SECONDARY; - if (card->revision == ALI_5451_V02) - mask |= ALI_AC97_WRITE_MIXER_REGISTER; - - spin_lock_irqsave(&card->lock, flags); - if (!acquirecodecaccess(card)) - printk(KERN_ERR "ali_ac97_write: access codec fail\n"); - - wcontrol = inw(TRID_REG(card, ALI_AC97_WRITE)); - wcontrol &= 0xff00; - wcontrol |= (0x8100 | reg); /* bit 8=1: (ali1535 )reserved/ */ - /* ali1535+ write */ - outl((data | wcontrol), TRID_REG(card, ALI_AC97_WRITE)); - - if (!waitforstimertick(card)) { - printk(KERN_ERR "BIT_CLOCK is dead\n"); - goto releasecodec; - } - - ncount = 10; - while (1) { - wcontrol = inw(TRID_REG(card, ALI_AC97_WRITE)); - if (!(wcontrol & 0x8000)) - break; - if (ncount <= 0) - break; - if (ncount-- == 1) { - pr_debug("ali_ac97_set :try clear busy flag!!\n"); - outw(wcontrol & 0x7fff, - TRID_REG(card, ALI_AC97_WRITE)); - } - udelay(10); - } - - releasecodec: - releasecodecaccess(card); - spin_unlock_irqrestore(&card->lock, flags); - return; -} - -static void -ali_enable_special_channel(struct trident_state *stat) -{ - struct trident_card *card = stat->card; - unsigned long s_channels; - - s_channels = inl(TRID_REG(card, ALI_GLOBAL_CONTROL)); - s_channels |= (1 << stat->dmabuf.channel->num); - outl(s_channels, TRID_REG(card, ALI_GLOBAL_CONTROL)); -} - -static u16 -ali_ac97_read(struct ac97_codec *codec, u8 reg) -{ - int id; - u16 data; - struct trident_card *card = NULL; - - /* Added by Matt Wu */ - BUG_ON(!codec); - - card = (struct trident_card *) codec->private_data; - - if (!card->mixer_regs_ready) - return ali_ac97_get(card, codec->id, reg); - - /* - * FIXME: need to stop this caching some registers - */ - if (codec->id) - id = 1; - else - id = 0; - - data = card->mixer_regs[reg / 2][id]; - return data; -} - -static void -ali_ac97_write(struct ac97_codec *codec, u8 reg, u16 val) -{ - int id; - struct trident_card *card; - - /* Added by Matt Wu */ - BUG_ON(!codec); - - card = (struct trident_card *) codec->private_data; - - if (!card->mixer_regs_ready) { - ali_ac97_set(card, codec->id, reg, val); - return; - } - - if (codec->id) - id = 1; - else - id = 0; - - card->mixer_regs[reg / 2][id] = val; - ali_ac97_set(card, codec->id, reg, val); -} - -/* -flag: ALI_SPDIF_OUT_TO_SPDIF_OUT - ALI_PCM_TO_SPDIF_OUT -*/ - -static void -ali_setup_spdif_out(struct trident_card *card, int flag) -{ - unsigned long spdif; - unsigned char ch; - - char temp; - struct pci_dev *pci_dev = NULL; - - pci_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, - pci_dev); - if (pci_dev == NULL) - return; - pci_read_config_byte(pci_dev, 0x61, &temp); - temp |= 0x40; - pci_write_config_byte(pci_dev, 0x61, temp); - pci_read_config_byte(pci_dev, 0x7d, &temp); - temp |= 0x01; - pci_write_config_byte(pci_dev, 0x7d, temp); - pci_read_config_byte(pci_dev, 0x7e, &temp); - temp &= (~0x20); - temp |= 0x10; - pci_write_config_byte(pci_dev, 0x7e, temp); - - pci_dev_put(pci_dev); - - ch = inb(TRID_REG(card, ALI_SCTRL)); - outb(ch | ALI_SPDIF_OUT_ENABLE, TRID_REG(card, ALI_SCTRL)); - ch = inb(TRID_REG(card, ALI_SPDIF_CTRL)); - outb(ch & ALI_SPDIF_OUT_CH_STATUS, TRID_REG(card, ALI_SPDIF_CTRL)); - - if (flag & ALI_SPDIF_OUT_TO_SPDIF_OUT) { - spdif = inw(TRID_REG(card, ALI_GLOBAL_CONTROL)); - spdif |= ALI_SPDIF_OUT_CH_ENABLE; - spdif &= ALI_SPDIF_OUT_SEL_SPDIF; - outw(spdif, TRID_REG(card, ALI_GLOBAL_CONTROL)); - spdif = inw(TRID_REG(card, ALI_SPDIF_CS)); - if (flag & ALI_SPDIF_OUT_NON_PCM) - spdif |= 0x0002; - else - spdif &= (~0x0002); - outw(spdif, TRID_REG(card, ALI_SPDIF_CS)); - } else { - spdif = inw(TRID_REG(card, ALI_GLOBAL_CONTROL)); - spdif |= ALI_SPDIF_OUT_SEL_PCM; - outw(spdif, TRID_REG(card, ALI_GLOBAL_CONTROL)); - } -} - -static void -ali_disable_special_channel(struct trident_card *card, int ch) -{ - unsigned long sc; - - sc = inl(TRID_REG(card, ALI_GLOBAL_CONTROL)); - sc &= ~(1 << ch); - outl(sc, TRID_REG(card, ALI_GLOBAL_CONTROL)); -} - -static void -ali_disable_spdif_in(struct trident_card *card) -{ - unsigned long spdif; - - spdif = inl(TRID_REG(card, ALI_GLOBAL_CONTROL)); - spdif &= (~ALI_SPDIF_IN_SUPPORT); - outl(spdif, TRID_REG(card, ALI_GLOBAL_CONTROL)); - - ali_disable_special_channel(card, ALI_SPDIF_IN_CHANNEL); -} - -static void -ali_setup_spdif_in(struct trident_card *card) -{ - unsigned long spdif; - - //Set SPDIF IN Supported - spdif = inl(TRID_REG(card, ALI_GLOBAL_CONTROL)); - spdif |= ALI_SPDIF_IN_SUPPORT; - outl(spdif, TRID_REG(card, ALI_GLOBAL_CONTROL)); - - //Set SPDIF IN Rec - spdif = inl(TRID_REG(card, ALI_GLOBAL_CONTROL)); - spdif |= ALI_SPDIF_IN_CH_ENABLE; - outl(spdif, TRID_REG(card, ALI_GLOBAL_CONTROL)); - - spdif = inb(TRID_REG(card, ALI_SPDIF_CTRL)); - spdif |= ALI_SPDIF_IN_CH_STATUS; - outb(spdif, TRID_REG(card, ALI_SPDIF_CTRL)); -/* - spdif = inb(TRID_REG(card, ALI_SPDIF_CTRL)); - spdif |= ALI_SPDIF_IN_FUNC_ENABLE; - outb(spdif, TRID_REG(card, ALI_SPDIF_CTRL)); -*/ -} - -static void -ali_delay(struct trident_card *card, int interval) -{ - unsigned long begintimer, currenttimer; - - begintimer = inl(TRID_REG(card, ALI_STIMER)); - currenttimer = inl(TRID_REG(card, ALI_STIMER)); - - while (currenttimer < begintimer + interval) - currenttimer = inl(TRID_REG(card, ALI_STIMER)); -} - -static void -ali_detect_spdif_rate(struct trident_card *card) -{ - u16 wval = 0; - u16 count = 0; - u8 bval = 0, R1 = 0, R2 = 0; - - bval = inb(TRID_REG(card, ALI_SPDIF_CTRL)); - bval |= 0x02; - outb(bval, TRID_REG(card, ALI_SPDIF_CTRL)); - - bval = inb(TRID_REG(card, ALI_SPDIF_CTRL + 1)); - bval |= 0x1F; - outb(bval, TRID_REG(card, ALI_SPDIF_CTRL + 1)); - - while (((R1 < 0x0B) || (R1 > 0x0E)) && (R1 != 0x12) && - count <= 50000) { - count++; - - ali_delay(card, 6); - - bval = inb(TRID_REG(card, ALI_SPDIF_CTRL + 1)); - R1 = bval & 0x1F; - } - - if (count > 50000) { - printk(KERN_WARNING "trident: Error in " - "ali_detect_spdif_rate!\n"); - return; - } - - count = 0; - - while (count <= 50000) { - count++; - - ali_delay(card, 6); - - bval = inb(TRID_REG(card, ALI_SPDIF_CTRL + 1)); - R2 = bval & 0x1F; - - if (R2 != R1) - R1 = R2; - else - break; - } - - if (count > 50000) { - printk(KERN_WARNING "trident: Error in " - "ali_detect_spdif_rate!\n"); - return; - } - - switch (R2) { - case 0x0b: - case 0x0c: - case 0x0d: - case 0x0e: - wval = inw(TRID_REG(card, ALI_SPDIF_CTRL + 2)); - wval &= 0xE0F0; - wval |= (u16) 0x09 << 8 | (u16) 0x05; - outw(wval, TRID_REG(card, ALI_SPDIF_CTRL + 2)); - - bval = inb(TRID_REG(card, ALI_SPDIF_CS + 3)) & 0xF0; - outb(bval | 0x02, TRID_REG(card, ALI_SPDIF_CS + 3)); - break; - - case 0x12: - wval = inw(TRID_REG(card, ALI_SPDIF_CTRL + 2)); - wval &= 0xE0F0; - wval |= (u16) 0x0E << 8 | (u16) 0x08; - outw(wval, TRID_REG(card, ALI_SPDIF_CTRL + 2)); - - bval = inb(TRID_REG(card, ALI_SPDIF_CS + 3)) & 0xF0; - outb(bval | 0x03, TRID_REG(card, ALI_SPDIF_CS + 3)); - break; - - default: - break; - } - -} - -static unsigned int -ali_get_spdif_in_rate(struct trident_card *card) -{ - u32 dwRate = 0; - u8 bval = 0; - - ali_detect_spdif_rate(card); - - bval = inb(TRID_REG(card, ALI_SPDIF_CTRL)); - bval &= 0x7F; - bval |= 0x40; - outb(bval, TRID_REG(card, ALI_SPDIF_CTRL)); - - bval = inb(TRID_REG(card, ALI_SPDIF_CS + 3)); - bval &= 0x0F; - - switch (bval) { - case 0: - dwRate = 44100; - break; - case 1: - dwRate = 48000; - break; - case 2: - dwRate = 32000; - break; - default: - // Error occurs - break; - } - - return dwRate; - -} - -static int -ali_close_multi_channels(void) -{ - char temp = 0; - struct pci_dev *pci_dev = NULL; - - pci_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, - pci_dev); - if (pci_dev == NULL) - return -1; - - pci_read_config_byte(pci_dev, 0x59, &temp); - temp &= ~0x80; - pci_write_config_byte(pci_dev, 0x59, temp); - - pci_dev_put(pci_dev); - - pci_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101, - NULL); - if (pci_dev == NULL) - return -1; - - pci_read_config_byte(pci_dev, 0xB8, &temp); - temp &= ~0x20; - pci_write_config_byte(pci_dev, 0xB8, temp); - - pci_dev_put(pci_dev); - - return 0; -} - -static int -ali_setup_multi_channels(struct trident_card *card, int chan_nums) -{ - unsigned long dwValue; - char temp = 0; - struct pci_dev *pci_dev = NULL; - - pci_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, - pci_dev); - if (pci_dev == NULL) - return -1; - pci_read_config_byte(pci_dev, 0x59, &temp); - temp |= 0x80; - pci_write_config_byte(pci_dev, 0x59, temp); - - pci_dev_put(pci_dev); - - pci_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101, - NULL); - if (pci_dev == NULL) - return -1; - pci_read_config_byte(pci_dev, (int) 0xB8, &temp); - temp |= 0x20; - pci_write_config_byte(pci_dev, (int) 0xB8, (u8) temp); - - pci_dev_put(pci_dev); - - if (chan_nums == 6) { - dwValue = inl(TRID_REG(card, ALI_SCTRL)) | 0x000f0000; - outl(dwValue, TRID_REG(card, ALI_SCTRL)); - mdelay(4); - dwValue = inl(TRID_REG(card, ALI_SCTRL)); - if (dwValue & 0x2000000) { - ali_ac97_write(card->ac97_codec[0], 0x02, 8080); - ali_ac97_write(card->ac97_codec[0], 0x36, 0); - ali_ac97_write(card->ac97_codec[0], 0x38, 0); - /* - * On a board with a single codec you won't get the - * surround. On other boards configure it. - */ - if (card->ac97_codec[1] != NULL) { - ali_ac97_write(card->ac97_codec[1], 0x36, 0); - ali_ac97_write(card->ac97_codec[1], 0x38, 0); - ali_ac97_write(card->ac97_codec[1], 0x02, 0x0606); - ali_ac97_write(card->ac97_codec[1], 0x18, 0x0303); - ali_ac97_write(card->ac97_codec[1], 0x74, 0x3); - } - return 1; - } - } - return -EINVAL; -} - -static void -ali_free_pcm_channel(struct trident_card *card, unsigned int channel) -{ - int bank; - - if (channel > 31) - return; - - bank = channel >> 5; - channel = channel & 0x1f; - - card->banks[bank].bitmap &= ~(1 << (channel)); -} - -static int -ali_allocate_other_states_resources(struct trident_state *state, int chan_nums) -{ - struct trident_card *card = state->card; - struct trident_state *s; - int i, state_count = 0; - struct trident_pcm_bank *bank; - struct trident_channel *channel; - unsigned long num; - - bank = &card->banks[BANK_A]; - - if (chan_nums != 6) - return 0; - - for (i = 0; (i < ALI_CHANNELS) && (state_count != 4); i++) { - if (card->states[i]) - continue; - - num = ali_multi_channels_5_1[state_count]; - if (!(bank->bitmap & (1 << num))) { - bank->bitmap |= 1 << num; - channel = &bank->channels[num]; - channel->num = num; - } else { - state_count--; - for (; state_count >= 0; state_count--) { - kfree(state->other_states[state_count]); - num = ali_multi_channels_5_1[state_count]; - ali_free_pcm_channel(card, num); - } - return -EBUSY; - } - s = card->states[i] = kzalloc(sizeof(*state), GFP_KERNEL); - if (!s) { - num = ali_multi_channels_5_1[state_count]; - ali_free_pcm_channel(card, num); - state_count--; - for (; state_count >= 0; state_count--) { - num = ali_multi_channels_5_1[state_count]; - ali_free_pcm_channel(card, num); - kfree(state->other_states[state_count]); - } - return -ENOMEM; - } - - s->dmabuf.channel = channel; - s->dmabuf.ossfragshift = s->dmabuf.ossmaxfrags = - s->dmabuf.subdivision = 0; - init_waitqueue_head(&s->dmabuf.wait); - s->magic = card->magic; - s->card = card; - s->virt = i; - ali_enable_special_channel(s); - state->other_states[state_count++] = s; - } - - if (state_count != 4) { - state_count--; - for (; state_count >= 0; state_count--) { - kfree(state->other_states[state_count]); - num = ali_multi_channels_5_1[state_count]; - ali_free_pcm_channel(card, num); - } - return -EBUSY; - } - return 0; -} - -#ifdef CONFIG_PM -/* save registers for ALi Power Management */ -static struct ali_saved_registers { - unsigned long global_regs[ALI_GLOBAL_REGS]; - unsigned long channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS]; - unsigned mixer_regs[ALI_MIXER_REGS]; -} ali_registers; - -static void -ali_save_regs(struct trident_card *card) -{ - unsigned long flags; - int i, j; - - spin_lock_irqsave(&card->lock, flags); - - ali_registers.global_regs[0x2c] = inl(TRID_REG(card, T4D_MISCINT)); - //ali_registers.global_regs[0x20] = inl(TRID_REG(card,T4D_START_A)); - ali_registers.global_regs[0x21] = inl(TRID_REG(card, T4D_STOP_A)); - - //disable all IRQ bits - outl(ALI_DISABLE_ALL_IRQ, TRID_REG(card, T4D_MISCINT)); - - for (i = 1; i < ALI_MIXER_REGS; i++) - ali_registers.mixer_regs[i] = ali_ac97_read(card->ac97_codec[0], - i * 2); - - for (i = 0; i < ALI_GLOBAL_REGS; i++) { - if ((i * 4 == T4D_MISCINT) || (i * 4 == T4D_STOP_A)) - continue; - ali_registers.global_regs[i] = inl(TRID_REG(card, i * 4)); - } - - for (i = 0; i < ALI_CHANNELS; i++) { - outb(i, TRID_REG(card, T4D_LFO_GC_CIR)); - for (j = 0; j < ALI_CHANNEL_REGS; j++) - ali_registers.channel_regs[i][j] = inl(TRID_REG(card, - j * 4 + 0xe0)); - } - - //Stop all HW channel - outl(ALI_STOP_ALL_CHANNELS, TRID_REG(card, T4D_STOP_A)); - - spin_unlock_irqrestore(&card->lock, flags); -} - -static void -ali_restore_regs(struct trident_card *card) -{ - unsigned long flags; - int i, j; - - spin_lock_irqsave(&card->lock, flags); - - for (i = 1; i < ALI_MIXER_REGS; i++) - ali_ac97_write(card->ac97_codec[0], i * 2, - ali_registers.mixer_regs[i]); - - for (i = 0; i < ALI_CHANNELS; i++) { - outb(i, TRID_REG(card, T4D_LFO_GC_CIR)); - for (j = 0; j < ALI_CHANNEL_REGS; j++) - outl(ali_registers.channel_regs[i][j], - TRID_REG(card, j * 4 + 0xe0)); - } - - for (i = 0; i < ALI_GLOBAL_REGS; i++) { - if ((i * 4 == T4D_MISCINT) || (i * 4 == T4D_STOP_A) || - (i * 4 == T4D_START_A)) - continue; - outl(ali_registers.global_regs[i], TRID_REG(card, i * 4)); - } - - //start HW channel - outl(ali_registers.global_regs[0x20], TRID_REG(card, T4D_START_A)); - //restore IRQ enable bits - outl(ali_registers.global_regs[0x2c], TRID_REG(card, T4D_MISCINT)); - - spin_unlock_irqrestore(&card->lock, flags); -} - -static int -trident_suspend(struct pci_dev *dev, pm_message_t unused) -{ - struct trident_card *card = pci_get_drvdata(dev); - - if (card->pci_id == PCI_DEVICE_ID_ALI_5451) { - ali_save_regs(card); - } - return 0; -} - -static int -trident_resume(struct pci_dev *dev) -{ - struct trident_card *card = pci_get_drvdata(dev); - - if (card->pci_id == PCI_DEVICE_ID_ALI_5451) { - ali_restore_regs(card); - } - return 0; -} -#endif - -static struct trident_channel * -ali_alloc_pcm_channel(struct trident_card *card) -{ - struct trident_pcm_bank *bank; - int idx; - - bank = &card->banks[BANK_A]; - - if (inl(TRID_REG(card, ALI_GLOBAL_CONTROL)) & - (ALI_SPDIF_OUT_CH_ENABLE)) { - idx = ALI_SPDIF_OUT_CHANNEL; - if (!(bank->bitmap & (1 << idx))) { - struct trident_channel *channel = &bank->channels[idx]; - bank->bitmap |= 1 << idx; - channel->num = idx; - return channel; - } - } - - for (idx = ALI_PCM_OUT_CHANNEL_FIRST; idx <= ALI_PCM_OUT_CHANNEL_LAST; - idx++) { - if (!(bank->bitmap & (1 << idx))) { - struct trident_channel *channel = &bank->channels[idx]; - bank->bitmap |= 1 << idx; - channel->num = idx; - return channel; - } - } - - /* no more free channels avaliable */ -#if 0 - printk(KERN_ERR "ali: no more channels available on Bank A.\n"); -#endif /* 0 */ - return NULL; -} - -static struct trident_channel * -ali_alloc_rec_pcm_channel(struct trident_card *card) -{ - struct trident_pcm_bank *bank; - int idx; - - if (inl(TRID_REG(card, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_IN_SUPPORT) - idx = ALI_SPDIF_IN_CHANNEL; - else - idx = ALI_PCM_IN_CHANNEL; - - bank = &card->banks[BANK_A]; - - if (!(bank->bitmap & (1 << idx))) { - struct trident_channel *channel = &bank->channels[idx]; - bank->bitmap |= 1 << idx; - channel->num = idx; - return channel; - } - - /* no free recordable channels avaliable */ -#if 0 - printk(KERN_ERR "ali: no recordable channels available on Bank A.\n"); -#endif /* 0 */ - return NULL; -} - -static void -ali_set_spdif_out_rate(struct trident_card *card, unsigned int rate) -{ - unsigned char ch_st_sel; - unsigned short status_rate; - - switch (rate) { - case 44100: - status_rate = 0; - break; - case 32000: - status_rate = 0x300; - break; - case 48000: - default: - status_rate = 0x200; - break; - } - - /* select spdif_out */ - ch_st_sel = inb(TRID_REG(card, ALI_SPDIF_CTRL)) & ALI_SPDIF_OUT_CH_STATUS; - - ch_st_sel |= 0x80; /* select right */ - outb(ch_st_sel, TRID_REG(card, ALI_SPDIF_CTRL)); - outb(status_rate | 0x20, TRID_REG(card, ALI_SPDIF_CS + 2)); - - ch_st_sel &= (~0x80); /* select left */ - outb(ch_st_sel, TRID_REG(card, ALI_SPDIF_CTRL)); - outw(status_rate | 0x10, TRID_REG(card, ALI_SPDIF_CS + 2)); -} - -static void -ali_address_interrupt(struct trident_card *card) -{ - int i, channel; - struct trident_state *state; - u32 mask, channel_mask; - - mask = trident_get_interrupt_mask(card, 0); - for (i = 0; i < NR_HW_CH; i++) { - if ((state = card->states[i]) == NULL) - continue; - channel = state->dmabuf.channel->num; - if ((channel_mask = 1 << channel) & mask) { - mask &= ~channel_mask; - trident_ack_channel_interrupt(card, channel); - udelay(100); - state->dmabuf.update_flag |= ALI_ADDRESS_INT_UPDATE; - trident_update_ptr(state); - } - } - if (mask) { - for (i = 0; i < NR_HW_CH; i++) { - if (mask & (1 << i)) { - printk("ali: spurious channel irq %d.\n", i); - trident_ack_channel_interrupt(card, i); - trident_stop_voice(card, i); - trident_disable_voice_irq(card, i); - } - } - } -} - -/* Updating the values of counters of other_states' DMAs without lock -protection is no harm because all DMAs of multi-channels and interrupt -depend on a master state's DMA, and changing the counters of the master -state DMA is protected by a spinlock. -*/ -static int -ali_write_5_1(struct trident_state *state, const char __user *buf, - int cnt_for_multi_channel, unsigned int *copy_count, - unsigned int *state_cnt) -{ - - struct dmabuf *dmabuf = &state->dmabuf; - struct dmabuf *dmabuf_temp; - const char __user *buffer = buf; - unsigned swptr, other_dma_nums, sample_s; - unsigned int i, loop; - - other_dma_nums = 4; - sample_s = sample_size[dmabuf->fmt] >> 1; - swptr = dmabuf->swptr; - - if ((i = state->multi_channels_adjust_count) > 0) { - if (i == 1) { - if (copy_from_user(dmabuf->rawbuf + swptr, - buffer, sample_s)) - return -EFAULT; - seek_offset(swptr, buffer, cnt_for_multi_channel, - sample_s, *copy_count); - i--; - (*state_cnt) += sample_s; - state->multi_channels_adjust_count++; - } else - i = i - (state->chans_num - other_dma_nums); - for (; (i < other_dma_nums) && (cnt_for_multi_channel > 0); i++) { - dmabuf_temp = &state->other_states[i]->dmabuf; - if (copy_from_user(dmabuf_temp->rawbuf + dmabuf_temp->swptr, - buffer, sample_s)) - return -EFAULT; - seek_offset(dmabuf_temp->swptr, buffer, cnt_for_multi_channel, - sample_s, *copy_count); - } - if (cnt_for_multi_channel == 0) - state->multi_channels_adjust_count += i; - } - if (cnt_for_multi_channel > 0) { - loop = cnt_for_multi_channel / (state->chans_num * sample_s); - for (i = 0; i < loop; i++) { - if (copy_from_user(dmabuf->rawbuf + swptr, buffer, - sample_s * 2)) - return -EFAULT; - seek_offset(swptr, buffer, cnt_for_multi_channel, - sample_s * 2, *copy_count); - (*state_cnt) += (sample_s * 2); - - dmabuf_temp = &state->other_states[0]->dmabuf; - if (copy_from_user(dmabuf_temp->rawbuf + dmabuf_temp->swptr, - buffer, sample_s)) - return -EFAULT; - seek_offset(dmabuf_temp->swptr, buffer, cnt_for_multi_channel, - sample_s, *copy_count); - - dmabuf_temp = &state->other_states[1]->dmabuf; - if (copy_from_user(dmabuf_temp->rawbuf + dmabuf_temp->swptr, - buffer, sample_s)) - return -EFAULT; - seek_offset(dmabuf_temp->swptr, buffer, cnt_for_multi_channel, - sample_s, *copy_count); - - dmabuf_temp = &state->other_states[2]->dmabuf; - if (copy_from_user(dmabuf_temp->rawbuf + dmabuf_temp->swptr, - buffer, sample_s)) - return -EFAULT; - seek_offset(dmabuf_temp->swptr, buffer, cnt_for_multi_channel, - sample_s, *copy_count); - - dmabuf_temp = &state->other_states[3]->dmabuf; - if (copy_from_user(dmabuf_temp->rawbuf + dmabuf_temp->swptr, - buffer, sample_s)) - return -EFAULT; - seek_offset(dmabuf_temp->swptr, buffer, cnt_for_multi_channel, - sample_s, *copy_count); - } - - if (cnt_for_multi_channel > 0) { - state->multi_channels_adjust_count = cnt_for_multi_channel / sample_s; - - if (copy_from_user(dmabuf->rawbuf + swptr, buffer, sample_s)) - return -EFAULT; - seek_offset(swptr, buffer, cnt_for_multi_channel, - sample_s, *copy_count); - (*state_cnt) += sample_s; - - if (cnt_for_multi_channel > 0) { - if (copy_from_user(dmabuf->rawbuf + swptr, - buffer, sample_s)) - return -EFAULT; - seek_offset(swptr, buffer, cnt_for_multi_channel, - sample_s, *copy_count); - (*state_cnt) += sample_s; - - if (cnt_for_multi_channel > 0) { - int diff = state->chans_num - other_dma_nums; - loop = state->multi_channels_adjust_count - diff; - for (i = 0; i < loop; i++) { - dmabuf_temp = &state->other_states[i]->dmabuf; - if (copy_from_user(dmabuf_temp->rawbuf + - dmabuf_temp->swptr, - buffer, sample_s)) - return -EFAULT; - seek_offset(dmabuf_temp->swptr, buffer, - cnt_for_multi_channel, - sample_s, *copy_count); - } - } - } - } else - state->multi_channels_adjust_count = 0; - } - for (i = 0; i < other_dma_nums; i++) { - dmabuf_temp = &state->other_states[i]->dmabuf; - dmabuf_temp->swptr = dmabuf_temp->swptr % dmabuf_temp->dmasize; - } - return *state_cnt; -} - -static void -ali_free_other_states_resources(struct trident_state *state) -{ - int i; - struct trident_card *card = state->card; - struct trident_state *s; - unsigned other_states_count; - - other_states_count = state->chans_num - 2; /* except PCM L/R channels */ - for (i = 0; i < other_states_count; i++) { - s = state->other_states[i]; - dealloc_dmabuf(&s->dmabuf, card->pci_dev); - ali_disable_special_channel(s->card, s->dmabuf.channel->num); - state->card->free_pcm_channel(s->card, s->dmabuf.channel->num); - card->states[s->virt] = NULL; - kfree(s); - } -} - -static struct proc_dir_entry *res; - -static int -ali_write_proc(struct file *file, const char __user *buffer, unsigned long count, void *data) -{ - struct trident_card *card = (struct trident_card *) data; - unsigned long flags; - char c; - - if (count < 0) - return -EINVAL; - if (count == 0) - return 0; - if (get_user(c, buffer)) - return -EFAULT; - - spin_lock_irqsave(&card->lock, flags); - switch (c) { - case '0': - ali_setup_spdif_out(card, ALI_PCM_TO_SPDIF_OUT); - ali_disable_special_channel(card, ALI_SPDIF_OUT_CHANNEL); - break; - case '1': - ali_setup_spdif_out(card, ALI_SPDIF_OUT_TO_SPDIF_OUT | - ALI_SPDIF_OUT_PCM); - break; - case '2': - ali_setup_spdif_out(card, ALI_SPDIF_OUT_TO_SPDIF_OUT | - ALI_SPDIF_OUT_NON_PCM); - break; - case '3': - ali_disable_spdif_in(card); //default - break; - case '4': - ali_setup_spdif_in(card); - break; - } - spin_unlock_irqrestore(&card->lock, flags); - - return count; -} - -/* OSS /dev/mixer file operation methods */ -static int -trident_open_mixdev(struct inode *inode, struct file *file) -{ - int i = 0; - int minor = iminor(inode); - struct trident_card *card = devs; - - for (card = devs; card != NULL; card = card->next) - for (i = 0; i < NR_AC97; i++) - if (card->ac97_codec[i] != NULL && - card->ac97_codec[i]->dev_mixer == minor) - goto match; - - if (!card) { - return -ENODEV; - } - match: - file->private_data = card->ac97_codec[i]; - - return nonseekable_open(inode, file); -} - -static int -trident_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg) -{ - struct ac97_codec *codec = (struct ac97_codec *) file->private_data; - - return codec->mixer_ioctl(codec, cmd, arg); -} - -static const struct file_operations trident_mixer_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .ioctl = trident_ioctl_mixdev, - .open = trident_open_mixdev, -}; - -static int -ali_reset_5451(struct trident_card *card) -{ - struct pci_dev *pci_dev = NULL; - unsigned int dwVal; - unsigned short wCount, wReg; - - pci_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, - pci_dev); - if (pci_dev == NULL) - return -1; - - pci_read_config_dword(pci_dev, 0x7c, &dwVal); - pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000); - udelay(5000); - pci_read_config_dword(pci_dev, 0x7c, &dwVal); - pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff); - udelay(5000); - pci_dev_put(pci_dev); - - pci_dev = card->pci_dev; - if (pci_dev == NULL) - return -1; - - pci_read_config_dword(pci_dev, 0x44, &dwVal); - pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000); - udelay(500); - pci_read_config_dword(pci_dev, 0x44, &dwVal); - pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff); - udelay(5000); - - /* TODO: recognize if we have a PM capable codec and only do this */ - /* if the codec is PM capable */ - wCount = 2000; - while (wCount--) { - wReg = ali_ac97_get(card, 0, AC97_POWER_CONTROL); - if ((wReg & 0x000f) == 0x000f) - return 0; - udelay(5000); - } - /* This is non fatal if you have a non PM capable codec.. */ - return 0; -} - -/* AC97 codec initialisation. */ -static int __devinit -trident_ac97_init(struct trident_card *card) -{ - int num_ac97 = 0; - unsigned long ready_2nd = 0; - struct ac97_codec *codec; - int i = 0; - - /* initialize controller side of AC link, and find out if secondary codes - really exist */ - switch (card->pci_id) { - case PCI_DEVICE_ID_ALI_5451: - if (ali_reset_5451(card)) { - printk(KERN_ERR "trident_ac97_init: error " - "resetting 5451.\n"); - return -1; - } - outl(0x80000001, TRID_REG(card, ALI_GLOBAL_CONTROL)); - outl(0x00000000, TRID_REG(card, T4D_AINTEN_A)); - outl(0xffffffff, TRID_REG(card, T4D_AINT_A)); - outl(0x00000000, TRID_REG(card, T4D_MUSICVOL_WAVEVOL)); - outb(0x10, TRID_REG(card, ALI_MPUR2)); - ready_2nd = inl(TRID_REG(card, ALI_SCTRL)); - ready_2nd &= 0x3fff; - outl(ready_2nd | PCMOUT | 0x8000, TRID_REG(card, ALI_SCTRL)); - ready_2nd = inl(TRID_REG(card, ALI_SCTRL)); - ready_2nd &= SI_AC97_SECONDARY_READY; - if (card->revision < ALI_5451_V02) - ready_2nd = 0; - break; - case PCI_DEVICE_ID_SI_7018: - /* disable AC97 GPIO interrupt */ - outl(0x00, TRID_REG(card, SI_AC97_GPIO)); - /* when power up the AC link is in cold reset mode so stop it */ - outl(PCMOUT | SURROUT | CENTEROUT | LFEOUT | SECONDARY_ID, - TRID_REG(card, SI_SERIAL_INTF_CTRL)); - /* it take a long time to recover from a cold reset */ - /* (especially when you have more than one codec) */ - udelay(2000); - ready_2nd = inl(TRID_REG(card, SI_SERIAL_INTF_CTRL)); - ready_2nd &= SI_AC97_SECONDARY_READY; - break; - case PCI_DEVICE_ID_TRIDENT_4DWAVE_DX: - /* playback on */ - outl(DX_AC97_PLAYBACK, TRID_REG(card, DX_ACR2_AC97_COM_STAT)); - break; - case PCI_DEVICE_ID_TRIDENT_4DWAVE_NX: - /* enable AC97 Output Slot 3,4 (PCM Left/Right Playback) */ - outl(NX_AC97_PCM_OUTPUT, TRID_REG(card, NX_ACR0_AC97_COM_STAT)); - ready_2nd = inl(TRID_REG(card, NX_ACR0_AC97_COM_STAT)); - ready_2nd &= NX_AC97_SECONDARY_READY; - break; - case PCI_DEVICE_ID_INTERG_5050: - /* disable AC97 GPIO interrupt */ - outl(0x00, TRID_REG(card, SI_AC97_GPIO)); - /* when power up, the AC link is in cold reset mode, so stop it */ - outl(PCMOUT | SURROUT | CENTEROUT | LFEOUT, - TRID_REG(card, SI_SERIAL_INTF_CTRL)); - /* it take a long time to recover from a cold reset (especially */ - /* when you have more than one codec) */ - udelay(2000); - ready_2nd = inl(TRID_REG(card, SI_SERIAL_INTF_CTRL)); - ready_2nd &= SI_AC97_SECONDARY_READY; - break; - } - - for (num_ac97 = 0; num_ac97 < NR_AC97; num_ac97++) { - if ((codec = ac97_alloc_codec()) == NULL) - return -ENOMEM; - - /* initialize some basic codec information, other fields */ - /* will be filled in ac97_probe_codec */ - codec->private_data = card; - codec->id = num_ac97; - - if (card->pci_id == PCI_DEVICE_ID_ALI_5451) { - codec->codec_read = ali_ac97_read; - codec->codec_write = ali_ac97_write; - } else { - codec->codec_read = trident_ac97_get; - codec->codec_write = trident_ac97_set; - } - - if (ac97_probe_codec(codec) == 0) - break; - - codec->dev_mixer = register_sound_mixer(&trident_mixer_fops, -1); - if (codec->dev_mixer < 0) { - printk(KERN_ERR "trident: couldn't register mixer!\n"); - ac97_release_codec(codec); - break; - } - - card->ac97_codec[num_ac97] = codec; - - /* if there is no secondary codec at all, don't probe any more */ - if (!ready_2nd) - break; - } - - if (card->pci_id == PCI_DEVICE_ID_ALI_5451) { - for (num_ac97 = 0; num_ac97 < NR_AC97; num_ac97++) { - if (card->ac97_codec[num_ac97] == NULL) - break; - for (i = 0; i < 64; i++) { - u16 reg = ali_ac97_get(card, num_ac97, i * 2); - card->mixer_regs[i][num_ac97] = reg; - } - } - } - return num_ac97 + 1; -} - -#ifdef SUPPORT_JOYSTICK -/* Gameport functions for the cards ADC gameport */ - -static unsigned char trident_game_read(struct gameport *gameport) -{ - struct trident_card *card = gameport->port_data; - - return inb(TRID_REG(card, T4D_GAME_LEG)); -} - -static void trident_game_trigger(struct gameport *gameport) -{ - struct trident_card *card = gameport->port_data; - - outb(0xff, TRID_REG(card, T4D_GAME_LEG)); -} - -static int trident_game_cooked_read(struct gameport *gameport, - int *axes, int *buttons) -{ - struct trident_card *card = gameport->port_data; - int i; - - *buttons = (~inb(TRID_REG(card, T4D_GAME_LEG)) >> 4) & 0xf; - - for (i = 0; i < 4; i++) { - axes[i] = inw(TRID_REG(card, T4D_GAME_AXD) + i * sizeof (u16)); - if (axes[i] == 0xffff) - axes[i] = -1; - } - - return 0; -} - -static int trident_game_open(struct gameport *gameport, int mode) -{ - struct trident_card *card = gameport->port_data; - - switch (mode) { - case GAMEPORT_MODE_COOKED: - outb(0x80, TRID_REG(card, T4D_GAME_CR)); - msleep(20); - return 0; - case GAMEPORT_MODE_RAW: - outb(0x00, TRID_REG(card, T4D_GAME_CR)); - return 0; - default: - return -1; - } - - return 0; -} - -static int __devinit trident_register_gameport(struct trident_card *card) -{ - struct gameport *gp; - - card->gameport = gp = gameport_allocate_port(); - if (!gp) { - printk(KERN_ERR "trident: can not allocate memory for gameport\n"); - return -ENOMEM; - } - - gameport_set_name(gp, "Trident 4DWave"); - gameport_set_phys(gp, "pci%s/gameport0", pci_name(card->pci_dev)); - gp->read = trident_game_read; - gp->trigger = trident_game_trigger; - gp->cooked_read = trident_game_cooked_read; - gp->open = trident_game_open; - gp->fuzz = 64; - gp->port_data = card; - - gameport_register_port(gp); - - return 0; -} - -static inline void trident_unregister_gameport(struct trident_card *card) -{ - if (card->gameport) - gameport_unregister_port(card->gameport); -} - -#else -static inline int trident_register_gameport(struct trident_card *card) { return -ENOSYS; } -static inline void trident_unregister_gameport(struct trident_card *card) { } -#endif /* SUPPORT_JOYSTICK */ - -/* install the driver, we do not allocate hardware channel nor DMA buffer */ -/* now, they are defered until "ACCESS" time (in prog_dmabuf called by */ -/* open/read/write/ioctl/mmap) */ -static int __devinit -trident_probe(struct pci_dev *pci_dev, const struct pci_device_id *pci_id) -{ - unsigned long iobase; - struct trident_card *card; - u8 bits; - u8 revision; - int i = 0; - u16 temp; - struct pci_dev *pci_dev_m1533 = NULL; - int rc = -ENODEV; - u64 dma_mask; - - if (pci_enable_device(pci_dev)) - goto out; - - if (pci_dev->device == PCI_DEVICE_ID_ALI_5451) - dma_mask = ALI_DMA_MASK; - else - dma_mask = TRIDENT_DMA_MASK; - if (pci_set_dma_mask(pci_dev, dma_mask)) { - printk(KERN_ERR "trident: architecture does not support" - " %s PCI busmaster DMA\n", - pci_dev->device == PCI_DEVICE_ID_ALI_5451 ? - "32-bit" : "30-bit"); - goto out; - } - pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &revision); - - if (pci_id->device == PCI_DEVICE_ID_INTERG_5050) - iobase = pci_resource_start(pci_dev, 1); - else - iobase = pci_resource_start(pci_dev, 0); - - if (!request_region(iobase, 256, card_names[pci_id->driver_data])) { - printk(KERN_ERR "trident: can't allocate I/O space at " - "0x%4.4lx\n", iobase); - goto out; - } - - rc = -ENOMEM; - if ((card = kzalloc(sizeof(*card), GFP_KERNEL)) == NULL) { - printk(KERN_ERR "trident: out of memory\n"); - goto out_release_region; - } - - init_timer(&card->timer); - card->iobase = iobase; - card->pci_dev = pci_dev_get(pci_dev); - card->pci_id = pci_id->device; - card->revision = revision; - card->irq = pci_dev->irq; - card->next = devs; - card->magic = TRIDENT_CARD_MAGIC; - card->banks[BANK_A].addresses = &bank_a_addrs; - card->banks[BANK_A].bitmap = 0UL; - card->banks[BANK_B].addresses = &bank_b_addrs; - card->banks[BANK_B].bitmap = 0UL; - - mutex_init(&card->open_mutex); - spin_lock_init(&card->lock); - init_timer(&card->timer); - - devs = card; - - pci_set_master(pci_dev); - - printk(KERN_INFO "trident: %s found at IO 0x%04lx, IRQ %d\n", - card_names[pci_id->driver_data], card->iobase, card->irq); - - if (card->pci_id == PCI_DEVICE_ID_ALI_5451) { - /* ALi channel Management */ - card->alloc_pcm_channel = ali_alloc_pcm_channel; - card->alloc_rec_pcm_channel = ali_alloc_rec_pcm_channel; - card->free_pcm_channel = ali_free_pcm_channel; - - card->address_interrupt = ali_address_interrupt; - - /* Added by Matt Wu 01-05-2001 for spdif in */ - card->multi_channel_use_count = 0; - card->rec_channel_use_count = 0; - - /* ALi SPDIF OUT function */ - if (card->revision == ALI_5451_V02) { - ali_setup_spdif_out(card, ALI_PCM_TO_SPDIF_OUT); - res = create_proc_entry("ALi5451", 0, NULL); - if (res) { - res->write_proc = ali_write_proc; - res->data = card; - } - } - - /* Add H/W Volume Control By Matt Wu Jul. 06, 2001 */ - card->hwvolctl = 0; - pci_dev_m1533 = pci_get_device(PCI_VENDOR_ID_AL, - PCI_DEVICE_ID_AL_M1533, - pci_dev_m1533); - rc = -ENODEV; - if (pci_dev_m1533 == NULL) - goto out_proc_fs; - pci_read_config_byte(pci_dev_m1533, 0x63, &bits); - if (bits & (1 << 5)) - card->hwvolctl = 1; - if (card->hwvolctl) { - /* Clear m1533 pci cfg 78h bit 30 to zero, which makes - GPIO11/12/13 work as ACGP_UP/DOWN/MUTE. */ - pci_read_config_byte(pci_dev_m1533, 0x7b, &bits); - bits &= 0xbf; /*clear bit 6 */ - pci_write_config_byte(pci_dev_m1533, 0x7b, bits); - } - pci_dev_put(pci_dev_m1533); - - } else if (card->pci_id == PCI_DEVICE_ID_INTERG_5050) { - card->alloc_pcm_channel = cyber_alloc_pcm_channel; - card->alloc_rec_pcm_channel = cyber_alloc_pcm_channel; - card->free_pcm_channel = cyber_free_pcm_channel; - card->address_interrupt = cyber_address_interrupt; - cyber_init_ritual(card); - } else { - card->alloc_pcm_channel = trident_alloc_pcm_channel; - card->alloc_rec_pcm_channel = trident_alloc_pcm_channel; - card->free_pcm_channel = trident_free_pcm_channel; - card->address_interrupt = trident_address_interrupt; - } - - /* claim our irq */ - rc = -ENODEV; - if (request_irq(card->irq, &trident_interrupt, IRQF_SHARED, - card_names[pci_id->driver_data], card)) { - printk(KERN_ERR "trident: unable to allocate irq %d\n", - card->irq); - goto out_proc_fs; - } - /* register /dev/dsp */ - if ((card->dev_audio = register_sound_dsp(&trident_audio_fops, -1)) < 0) { - printk(KERN_ERR "trident: couldn't register DSP device!\n"); - goto out_free_irq; - } - card->mixer_regs_ready = 0; - /* initialize AC97 codec and register /dev/mixer */ - if (trident_ac97_init(card) <= 0) { - /* unregister audio devices */ - for (i = 0; i < NR_AC97; i++) { - if (card->ac97_codec[i] != NULL) { - struct ac97_codec* codec = card->ac97_codec[i]; - unregister_sound_mixer(codec->dev_mixer); - ac97_release_codec(codec); - } - } - goto out_unregister_sound_dsp; - } - card->mixer_regs_ready = 1; - outl(0x00, TRID_REG(card, T4D_MUSICVOL_WAVEVOL)); - - if (card->pci_id == PCI_DEVICE_ID_ALI_5451) { - /* Add H/W Volume Control By Matt Wu Jul. 06, 2001 */ - if (card->hwvolctl) { - /* Enable GPIO IRQ (MISCINT bit 18h) */ - temp = inw(TRID_REG(card, T4D_MISCINT + 2)); - temp |= 0x0004; - outw(temp, TRID_REG(card, T4D_MISCINT + 2)); - - /* Enable H/W Volume Control GLOVAL CONTROL bit 0 */ - temp = inw(TRID_REG(card, ALI_GLOBAL_CONTROL)); - temp |= 0x0001; - outw(temp, TRID_REG(card, ALI_GLOBAL_CONTROL)); - - } - if (card->revision == ALI_5451_V02) - ali_close_multi_channels(); - /* edited by HMSEO for GT sound */ -#if defined(CONFIG_ALPHA_NAUTILUS) || defined(CONFIG_ALPHA_GENERIC) - { - u16 ac97_data; - extern struct hwrpb_struct *hwrpb; - - if ((hwrpb->sys_type) == 201) { - printk(KERN_INFO "trident: Running on Alpha system " - "type Nautilus\n"); - ac97_data = ali_ac97_get(card, 0, AC97_POWER_CONTROL); - ali_ac97_set(card, 0, AC97_POWER_CONTROL, - ac97_data | ALI_EAPD_POWER_DOWN); - } - } -#endif /* CONFIG_ALPHA_NAUTILUS || CONFIG_ALPHA_GENERIC */ - /* edited by HMSEO for GT sound */ - } - rc = 0; - pci_set_drvdata(pci_dev, card); - - /* Enable Address Engine Interrupts */ - trident_enable_loop_interrupts(card); - - /* Register gameport */ - trident_register_gameport(card); - -out: - return rc; - -out_unregister_sound_dsp: - unregister_sound_dsp(card->dev_audio); -out_free_irq: - free_irq(card->irq, card); -out_proc_fs: - pci_dev_put(card->pci_dev); - if (res) { - remove_proc_entry("ALi5451", NULL); - res = NULL; - } - kfree(card); - devs = NULL; -out_release_region: - release_region(iobase, 256); - return rc; -} - -static void __devexit -trident_remove(struct pci_dev *pci_dev) -{ - int i; - struct trident_card *card = pci_get_drvdata(pci_dev); - - /* - * Kill running timers before unload. We can't have them - * going off after rmmod! - */ - if (card->hwvolctl) - del_timer_sync(&card->timer); - - /* ALi S/PDIF and Power Management */ - if (card->pci_id == PCI_DEVICE_ID_ALI_5451) { - ali_setup_spdif_out(card, ALI_PCM_TO_SPDIF_OUT); - ali_disable_special_channel(card, ALI_SPDIF_OUT_CHANNEL); - ali_disable_spdif_in(card); - remove_proc_entry("ALi5451", NULL); - } - - /* Unregister gameport */ - trident_unregister_gameport(card); - - /* Kill interrupts, and SP/DIF */ - trident_disable_loop_interrupts(card); - - /* free hardware resources */ - free_irq(card->irq, card); - release_region(card->iobase, 256); - - /* unregister audio devices */ - for (i = 0; i < NR_AC97; i++) - if (card->ac97_codec[i] != NULL) { - unregister_sound_mixer(card->ac97_codec[i]->dev_mixer); - ac97_release_codec(card->ac97_codec[i]); - } - unregister_sound_dsp(card->dev_audio); - - pci_set_drvdata(pci_dev, NULL); - pci_dev_put(card->pci_dev); - kfree(card); -} - -MODULE_AUTHOR("Alan Cox, Aaron Holtzman, Ollie Lho, Ching Ling Lee, Muli Ben-Yehuda"); -MODULE_DESCRIPTION("Trident 4DWave/SiS 7018/ALi 5451 and Tvia/IGST CyberPro5050 PCI " - "Audio Driver"); -MODULE_LICENSE("GPL"); - -#define TRIDENT_MODULE_NAME "trident" - -static struct pci_driver trident_pci_driver = { - .name = TRIDENT_MODULE_NAME, - .id_table = trident_pci_tbl, - .probe = trident_probe, - .remove = __devexit_p(trident_remove), -#ifdef CONFIG_PM - .suspend = trident_suspend, - .resume = trident_resume -#endif -}; - -static int __init -trident_init_module(void) -{ - printk(KERN_INFO "Trident 4DWave/SiS 7018/ALi 5451,Tvia CyberPro " - "5050 PCI Audio, version " DRIVER_VERSION ", " __TIME__ " " - __DATE__ "\n"); - - return pci_register_driver(&trident_pci_driver); -} - -static void __exit -trident_cleanup_module(void) -{ - pci_unregister_driver(&trident_pci_driver); -} - -module_init(trident_init_module); -module_exit(trident_cleanup_module); |