X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=sound%2Fpci%2Fals4000.c;h=d75cf7b0642684a8d2f7a6ebde3ee1296ece0ea4;hb=e200e0ec9148ad2941e30d59b9552973d49a82b6;hp=7c61561f297fc266466120e9b52b6754b4a4dc70;hpb=99b359ba10a582148c6725f428a33ba5356dd993;p=safe%2Fjmp%2Flinux-2.6 diff --git a/sound/pci/als4000.c b/sound/pci/als4000.c index 7c61561..d75cf7b 100644 --- a/sound/pci/als4000.c +++ b/sound/pci/als4000.c @@ -1,19 +1,36 @@ /* * card-als4000.c - driver for Avance Logic ALS4000 based soundcards. * Copyright (C) 2000 by Bart Hartgers , - * Jaroslav Kysela - * Copyright (C) 2002 by Andreas Mohr + * Jaroslav Kysela + * Copyright (C) 2002, 2008 by Andreas Mohr * * Framework borrowed from Massimo Piccioni's card-als100.c. * + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * * NOTES * * Since Avance does not provide any meaningful documentation, and I * bought an ALS4000 based soundcard, I was forced to base this driver * on reverse engineering. * - * Note: this is no longer true. Pretty verbose chip docu (ALS4000a.PDF) - * can be found on the ALSA web site. + * Note: this is no longer true (thank you!): + * pretty verbose chip docu (ALS4000a.PDF) can be found on the ALSA web site. + * Page numbers stated anywhere below with the "SPECS_PAGE:" tag + * refer to: ALS4000a.PDF specs Ver 1.0, May 28th, 1998. * * The ALS4000 seems to be the PCI-cousin of the ALS100. It contains an * ALS100-like SB DSP/mixer, an OPL3 synth, a MPU401 and a gameport @@ -43,28 +60,18 @@ * Set KSound: * - value -> some port 0x0c0d * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * ToDo: + * - by default, don't enable legacy game and use PCI game I/O + * - power management? (card can do voice wakeup according to datasheet!!) */ -#include #include #include #include #include #include #include +#include #include #include #include @@ -73,7 +80,7 @@ #include #include -MODULE_AUTHOR("Bart Hartgers "); +MODULE_AUTHOR("Bart Hartgers , Andreas Mohr"); MODULE_DESCRIPTION("Avance Logic ALS4000"); MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{Avance Logic,ALS4000}}"); @@ -100,44 +107,186 @@ module_param_array(joystick_port, int, NULL, 0444); MODULE_PARM_DESC(joystick_port, "Joystick port address for ALS4000 soundcard. (0 = disabled)"); #endif -typedef struct { +struct snd_card_als4000 { + /* most frequent access first */ + unsigned long iobase; struct pci_dev *pci; - unsigned long gcr; + struct snd_sb *chip; #ifdef SUPPORT_JOYSTICK struct gameport *gameport; #endif -} snd_card_als4000_t; +}; -static struct pci_device_id snd_als4000_ids[] = { +static DEFINE_PCI_DEVICE_TABLE(snd_als4000_ids) = { { 0x4005, 0x4000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* ALS4000 */ { 0, } }; MODULE_DEVICE_TABLE(pci, snd_als4000_ids); -static inline void snd_als4000_gcr_write_addr(unsigned long port, u32 reg, u32 val) +enum als4k_iobase_t { + /* IOx: B == Byte, W = Word, D = DWord; SPECS_PAGE: 37 */ + ALS4K_IOD_00_AC97_ACCESS = 0x00, + ALS4K_IOW_04_AC97_READ = 0x04, + ALS4K_IOB_06_AC97_STATUS = 0x06, + ALS4K_IOB_07_IRQSTATUS = 0x07, + ALS4K_IOD_08_GCR_DATA = 0x08, + ALS4K_IOB_0C_GCR_INDEX = 0x0c, + ALS4K_IOB_0E_IRQTYPE_SB_CR1E_MPU = 0x0e, + ALS4K_IOB_10_ADLIB_ADDR0 = 0x10, + ALS4K_IOB_11_ADLIB_ADDR1 = 0x11, + ALS4K_IOB_12_ADLIB_ADDR2 = 0x12, + ALS4K_IOB_13_ADLIB_ADDR3 = 0x13, + ALS4K_IOB_14_MIXER_INDEX = 0x14, + ALS4K_IOB_15_MIXER_DATA = 0x15, + ALS4K_IOB_16_ESP_RESET = 0x16, + ALS4K_IOB_16_ACK_FOR_CR1E = 0x16, /* 2nd function */ + ALS4K_IOB_18_OPL_ADDR0 = 0x18, + ALS4K_IOB_19_OPL_ADDR1 = 0x19, + ALS4K_IOB_1A_ESP_RD_DATA = 0x1a, + ALS4K_IOB_1C_ESP_CMD_DATA = 0x1c, + ALS4K_IOB_1C_ESP_WR_STATUS = 0x1c, /* 2nd function */ + ALS4K_IOB_1E_ESP_RD_STATUS8 = 0x1e, + ALS4K_IOB_1F_ESP_RD_STATUS16 = 0x1f, + ALS4K_IOB_20_ESP_GAMEPORT_200 = 0x20, + ALS4K_IOB_21_ESP_GAMEPORT_201 = 0x21, + ALS4K_IOB_30_MIDI_DATA = 0x30, + ALS4K_IOB_31_MIDI_STATUS = 0x31, + ALS4K_IOB_31_MIDI_COMMAND = 0x31, /* 2nd function */ +}; + +enum als4k_iobase_0e_t { + ALS4K_IOB_0E_MPU_IRQ = 0x10, + ALS4K_IOB_0E_CR1E_IRQ = 0x40, + ALS4K_IOB_0E_SB_DMA_IRQ = 0x80, +}; + +enum als4k_gcr_t { /* all registers 32bit wide; SPECS_PAGE: 38 to 42 */ + ALS4K_GCR8C_MISC_CTRL = 0x8c, + ALS4K_GCR90_TEST_MODE_REG = 0x90, + ALS4K_GCR91_DMA0_ADDR = 0x91, + ALS4K_GCR92_DMA0_MODE_COUNT = 0x92, + ALS4K_GCR93_DMA1_ADDR = 0x93, + ALS4K_GCR94_DMA1_MODE_COUNT = 0x94, + ALS4K_GCR95_DMA3_ADDR = 0x95, + ALS4K_GCR96_DMA3_MODE_COUNT = 0x96, + ALS4K_GCR99_DMA_EMULATION_CTRL = 0x99, + ALS4K_GCRA0_FIFO1_CURRENT_ADDR = 0xa0, + ALS4K_GCRA1_FIFO1_STATUS_BYTECOUNT = 0xa1, + ALS4K_GCRA2_FIFO2_PCIADDR = 0xa2, + ALS4K_GCRA3_FIFO2_COUNT = 0xa3, + ALS4K_GCRA4_FIFO2_CURRENT_ADDR = 0xa4, + ALS4K_GCRA5_FIFO1_STATUS_BYTECOUNT = 0xa5, + ALS4K_GCRA6_PM_CTRL = 0xa6, + ALS4K_GCRA7_PCI_ACCESS_STORAGE = 0xa7, + ALS4K_GCRA8_LEGACY_CFG1 = 0xa8, + ALS4K_GCRA9_LEGACY_CFG2 = 0xa9, + ALS4K_GCRFF_DUMMY_SCRATCH = 0xff, +}; + +enum als4k_gcr8c_t { + ALS4K_GCR8C_IRQ_MASK_CTRL_ENABLE = 0x8000, + ALS4K_GCR8C_CHIP_REV_MASK = 0xf0000 +}; + +static inline void snd_als4k_iobase_writeb(unsigned long iobase, + enum als4k_iobase_t reg, + u8 val) { - outb(reg, port+0x0c); - outl(val, port+0x08); + outb(val, iobase + reg); } -static inline void snd_als4000_gcr_write(sb_t *sb, u32 reg, u32 val) +static inline void snd_als4k_iobase_writel(unsigned long iobase, + enum als4k_iobase_t reg, + u32 val) { - snd_als4000_gcr_write_addr(sb->alt_port, reg, val); + outl(val, iobase + reg); +} + +static inline u8 snd_als4k_iobase_readb(unsigned long iobase, + enum als4k_iobase_t reg) +{ + return inb(iobase + reg); +} + +static inline u32 snd_als4k_iobase_readl(unsigned long iobase, + enum als4k_iobase_t reg) +{ + return inl(iobase + reg); +} + +static inline void snd_als4k_gcr_write_addr(unsigned long iobase, + enum als4k_gcr_t reg, + u32 val) +{ + snd_als4k_iobase_writeb(iobase, ALS4K_IOB_0C_GCR_INDEX, reg); + snd_als4k_iobase_writel(iobase, ALS4K_IOD_08_GCR_DATA, val); +} + +static inline void snd_als4k_gcr_write(struct snd_sb *sb, + enum als4k_gcr_t reg, + u32 val) +{ + snd_als4k_gcr_write_addr(sb->alt_port, reg, val); } -static inline u32 snd_als4000_gcr_read_addr(unsigned long port, u32 reg) +static inline u32 snd_als4k_gcr_read_addr(unsigned long iobase, + enum als4k_gcr_t reg) +{ + /* SPECS_PAGE: 37/38 */ + snd_als4k_iobase_writeb(iobase, ALS4K_IOB_0C_GCR_INDEX, reg); + return snd_als4k_iobase_readl(iobase, ALS4K_IOD_08_GCR_DATA); +} + +static inline u32 snd_als4k_gcr_read(struct snd_sb *sb, enum als4k_gcr_t reg) +{ + return snd_als4k_gcr_read_addr(sb->alt_port, reg); +} + +enum als4k_cr_t { /* all registers 8bit wide; SPECS_PAGE: 20 to 23 */ + ALS4K_CR0_SB_CONFIG = 0x00, + ALS4K_CR2_MISC_CONTROL = 0x02, + ALS4K_CR3_CONFIGURATION = 0x03, + ALS4K_CR17_FIFO_STATUS = 0x17, + ALS4K_CR18_ESP_MAJOR_VERSION = 0x18, + ALS4K_CR19_ESP_MINOR_VERSION = 0x19, + ALS4K_CR1A_MPU401_UART_MODE_CONTROL = 0x1a, + ALS4K_CR1C_FIFO2_BLOCK_LENGTH_LO = 0x1c, + ALS4K_CR1D_FIFO2_BLOCK_LENGTH_HI = 0x1d, + ALS4K_CR1E_FIFO2_CONTROL = 0x1e, /* secondary PCM FIFO (recording) */ + ALS4K_CR3A_MISC_CONTROL = 0x3a, + ALS4K_CR3B_CRC32_BYTE0 = 0x3b, /* for testing, activate via CR3A */ + ALS4K_CR3C_CRC32_BYTE1 = 0x3c, + ALS4K_CR3D_CRC32_BYTE2 = 0x3d, + ALS4K_CR3E_CRC32_BYTE3 = 0x3e, +}; + +enum als4k_cr0_t { + ALS4K_CR0_DMA_CONTIN_MODE_CTRL = 0x02, /* IRQ/FIFO controlled for 0/1 */ + ALS4K_CR0_DMA_90H_MODE_CTRL = 0x04, /* IRQ/FIFO controlled for 0/1 */ + ALS4K_CR0_MX80_81_REG_WRITE_ENABLE = 0x80, +}; + +static inline void snd_als4_cr_write(struct snd_sb *chip, + enum als4k_cr_t reg, + u8 data) { - outb(reg, port+0x0c); - return inl(port+0x08); + /* Control Register is reg | 0xc0 (bit 7, 6 set) on sbmixer_index + * NOTE: assumes chip->mixer_lock to be locked externally already! + * SPECS_PAGE: 6 */ + snd_sbmixer_write(chip, reg | 0xc0, data); } -static inline u32 snd_als4000_gcr_read(sb_t *sb, u32 reg) +static inline u8 snd_als4_cr_read(struct snd_sb *chip, + enum als4k_cr_t reg) { - return snd_als4000_gcr_read_addr(sb->alt_port, reg); + /* NOTE: assumes chip->mixer_lock to be locked externally already! */ + return snd_sbmixer_read(chip, reg | 0xc0); } -static void snd_als4000_set_rate(sb_t *chip, unsigned int rate) + + +static void snd_als4000_set_rate(struct snd_sb *chip, unsigned int rate) { if (!(chip->mode & SB_RATE_LOCK)) { snd_sbdsp_command(chip, SB_DSP_SAMPLE_RATE_OUT); @@ -146,23 +295,29 @@ static void snd_als4000_set_rate(sb_t *chip, unsigned int rate) } } -static void snd_als4000_set_capture_dma(sb_t *chip, dma_addr_t addr, unsigned size) +static inline void snd_als4000_set_capture_dma(struct snd_sb *chip, + dma_addr_t addr, unsigned size) { - snd_als4000_gcr_write(chip, 0xa2, addr); - snd_als4000_gcr_write(chip, 0xa3, (size-1)); + /* SPECS_PAGE: 40 */ + snd_als4k_gcr_write(chip, ALS4K_GCRA2_FIFO2_PCIADDR, addr); + snd_als4k_gcr_write(chip, ALS4K_GCRA3_FIFO2_COUNT, (size-1)); } -static void snd_als4000_set_playback_dma(sb_t *chip, dma_addr_t addr, unsigned size) +static inline void snd_als4000_set_playback_dma(struct snd_sb *chip, + dma_addr_t addr, + unsigned size) { - snd_als4000_gcr_write(chip, 0x91, addr); - snd_als4000_gcr_write(chip, 0x92, (size-1)|0x180000); + /* SPECS_PAGE: 38 */ + snd_als4k_gcr_write(chip, ALS4K_GCR91_DMA0_ADDR, addr); + snd_als4k_gcr_write(chip, ALS4K_GCR92_DMA0_MODE_COUNT, + (size-1)|0x180000); } #define ALS4000_FORMAT_SIGNED (1<<0) #define ALS4000_FORMAT_16BIT (1<<1) #define ALS4000_FORMAT_STEREO (1<<2) -static int snd_als4000_get_format(snd_pcm_runtime_t *runtime) +static int snd_als4000_get_format(struct snd_pcm_runtime *runtime) { int result; @@ -177,7 +332,7 @@ static int snd_als4000_get_format(snd_pcm_runtime_t *runtime) } /* structure for setting up playback */ -static struct { +static const struct { unsigned char dsp_cmd, dma_on, dma_off, format; } playback_cmd_vals[]={ /* ALS4000_FORMAT_U8_MONO */ @@ -201,7 +356,7 @@ static struct { /* structure for setting up capture */ enum { CMD_WIDTH8=0x04, CMD_SIGNED=0x10, CMD_MONO=0x80, CMD_STEREO=0xA0 }; -static unsigned char capture_cmd_vals[]= +static const unsigned char capture_cmd_vals[]= { CMD_WIDTH8|CMD_MONO, /* ALS4000_FORMAT_U8_MONO */ CMD_WIDTH8|CMD_SIGNED|CMD_MONO, /* ALS4000_FORMAT_S8_MONO */ @@ -214,23 +369,22 @@ CMD_SIGNED|CMD_STEREO, /* ALS4000_FORMAT_S16L_STEREO */ }; #define capture_cmd(chip) (capture_cmd_vals[(chip)->capture_format]) -static int snd_als4000_hw_params(snd_pcm_substream_t * substream, - snd_pcm_hw_params_t * hw_params) +static int snd_als4000_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) { return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); } -static int snd_als4000_hw_free(snd_pcm_substream_t * substream) +static int snd_als4000_hw_free(struct snd_pcm_substream *substream) { snd_pcm_lib_free_pages(substream); return 0; } -static int snd_als4000_capture_prepare(snd_pcm_substream_t * substream) +static int snd_als4000_capture_prepare(struct snd_pcm_substream *substream) { - unsigned long flags; - sb_t *chip = snd_pcm_substream_chip(substream); - snd_pcm_runtime_t *runtime = substream->runtime; + struct snd_sb *chip = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; unsigned long size; unsigned count; @@ -240,25 +394,24 @@ static int snd_als4000_capture_prepare(snd_pcm_substream_t * substream) count = snd_pcm_lib_period_bytes(substream); if (chip->capture_format & ALS4000_FORMAT_16BIT) - count >>=1; + count >>= 1; count--; - spin_lock_irqsave(&chip->reg_lock, flags); + spin_lock_irq(&chip->reg_lock); snd_als4000_set_rate(chip, runtime->rate); snd_als4000_set_capture_dma(chip, runtime->dma_addr, size); - spin_unlock_irqrestore(&chip->reg_lock, flags); - spin_lock_irqsave(&chip->mixer_lock, flags ); - snd_sbmixer_write(chip, 0xdc, count); - snd_sbmixer_write(chip, 0xdd, count>>8); - spin_unlock_irqrestore(&chip->mixer_lock, flags ); + spin_unlock_irq(&chip->reg_lock); + spin_lock_irq(&chip->mixer_lock); + snd_als4_cr_write(chip, ALS4K_CR1C_FIFO2_BLOCK_LENGTH_LO, count & 0xff); + snd_als4_cr_write(chip, ALS4K_CR1D_FIFO2_BLOCK_LENGTH_HI, count >> 8); + spin_unlock_irq(&chip->mixer_lock); return 0; } -static int snd_als4000_playback_prepare(snd_pcm_substream_t *substream) +static int snd_als4000_playback_prepare(struct snd_pcm_substream *substream) { - unsigned long flags; - sb_t *chip = snd_pcm_substream_chip(substream); - snd_pcm_runtime_t *runtime = substream->runtime; + struct snd_sb *chip = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; unsigned long size; unsigned count; @@ -268,7 +421,7 @@ static int snd_als4000_playback_prepare(snd_pcm_substream_t *substream) count = snd_pcm_lib_period_bytes(substream); if (chip->playback_format & ALS4000_FORMAT_16BIT) - count >>=1; + count >>= 1; count--; /* FIXME: from second playback on, there's a lot more clicks and pops @@ -277,7 +430,7 @@ static int snd_als4000_playback_prepare(snd_pcm_substream_t *substream) * reordering, ...). Something seems to get enabled on playback * that I haven't found out how to disable again, which then causes * the switching pops to reach the speakers the next time here. */ - spin_lock_irqsave(&chip->reg_lock, flags); + spin_lock_irq(&chip->reg_lock); snd_als4000_set_rate(chip, runtime->rate); snd_als4000_set_playback_dma(chip, runtime->dma_addr, size); @@ -285,110 +438,162 @@ static int snd_als4000_playback_prepare(snd_pcm_substream_t *substream) /* snd_sbdsp_command(chip, SB_DSP_SPEAKER_ON); */ snd_sbdsp_command(chip, playback_cmd(chip).dsp_cmd); snd_sbdsp_command(chip, playback_cmd(chip).format); - snd_sbdsp_command(chip, count); - snd_sbdsp_command(chip, count>>8); + snd_sbdsp_command(chip, count & 0xff); + snd_sbdsp_command(chip, count >> 8); snd_sbdsp_command(chip, playback_cmd(chip).dma_off); - spin_unlock_irqrestore(&chip->reg_lock, flags); + spin_unlock_irq(&chip->reg_lock); return 0; } -static int snd_als4000_capture_trigger(snd_pcm_substream_t * substream, int cmd) +static int snd_als4000_capture_trigger(struct snd_pcm_substream *substream, int cmd) { - sb_t *chip = snd_pcm_substream_chip(substream); + struct snd_sb *chip = snd_pcm_substream_chip(substream); int result = 0; + /* FIXME race condition in here!!! + chip->mode non-atomic update gets consistently protected + by reg_lock always, _except_ for this place!! + Probably need to take reg_lock as outer (or inner??) lock, too. + (or serialize both lock operations? probably not, though... - racy?) + */ spin_lock(&chip->mixer_lock); - if (cmd == SNDRV_PCM_TRIGGER_START) { + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: chip->mode |= SB_RATE_LOCK_CAPTURE; - snd_sbmixer_write(chip, 0xde, capture_cmd(chip)); - } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { + snd_als4_cr_write(chip, ALS4K_CR1E_FIFO2_CONTROL, + capture_cmd(chip)); + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: chip->mode &= ~SB_RATE_LOCK_CAPTURE; - snd_sbmixer_write(chip, 0xde, 0); - } else { + snd_als4_cr_write(chip, ALS4K_CR1E_FIFO2_CONTROL, + capture_cmd(chip)); + break; + default: result = -EINVAL; + break; } spin_unlock(&chip->mixer_lock); return result; } -static int snd_als4000_playback_trigger(snd_pcm_substream_t * substream, int cmd) +static int snd_als4000_playback_trigger(struct snd_pcm_substream *substream, int cmd) { - sb_t *chip = snd_pcm_substream_chip(substream); + struct snd_sb *chip = snd_pcm_substream_chip(substream); int result = 0; spin_lock(&chip->reg_lock); - if (cmd == SNDRV_PCM_TRIGGER_START) { + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: chip->mode |= SB_RATE_LOCK_PLAYBACK; snd_sbdsp_command(chip, playback_cmd(chip).dma_on); - } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: snd_sbdsp_command(chip, playback_cmd(chip).dma_off); chip->mode &= ~SB_RATE_LOCK_PLAYBACK; - } else { + break; + default: result = -EINVAL; + break; } spin_unlock(&chip->reg_lock); return result; } -static snd_pcm_uframes_t snd_als4000_capture_pointer(snd_pcm_substream_t * substream) +static snd_pcm_uframes_t snd_als4000_capture_pointer(struct snd_pcm_substream *substream) { - sb_t *chip = snd_pcm_substream_chip(substream); + struct snd_sb *chip = snd_pcm_substream_chip(substream); unsigned int result; spin_lock(&chip->reg_lock); - result = snd_als4000_gcr_read(chip, 0xa4) & 0xffff; + result = snd_als4k_gcr_read(chip, ALS4K_GCRA4_FIFO2_CURRENT_ADDR); spin_unlock(&chip->reg_lock); + result &= 0xffff; return bytes_to_frames( substream->runtime, result ); } -static snd_pcm_uframes_t snd_als4000_playback_pointer(snd_pcm_substream_t * substream) +static snd_pcm_uframes_t snd_als4000_playback_pointer(struct snd_pcm_substream *substream) { - sb_t *chip = snd_pcm_substream_chip(substream); + struct snd_sb *chip = snd_pcm_substream_chip(substream); unsigned result; spin_lock(&chip->reg_lock); - result = snd_als4000_gcr_read(chip, 0xa0) & 0xffff; + result = snd_als4k_gcr_read(chip, ALS4K_GCRA0_FIFO1_CURRENT_ADDR); spin_unlock(&chip->reg_lock); + result &= 0xffff; return bytes_to_frames( substream->runtime, result ); } -static irqreturn_t snd_als4000_interrupt(int irq, void *dev_id, struct pt_regs *regs) +/* FIXME: this IRQ routine doesn't really support IRQ sharing (we always + * return IRQ_HANDLED no matter whether we actually had an IRQ flag or not). + * ALS4000a.PDF writes that while ACKing IRQ in PCI block will *not* ACK + * the IRQ in the SB core, ACKing IRQ in SB block *will* ACK the PCI IRQ + * register (alt_port + ALS4K_IOB_0E_IRQTYPE_SB_CR1E_MPU). Probably something + * could be optimized here to query/write one register only... + * And even if both registers need to be queried, then there's still the + * question of whether it's actually correct to ACK PCI IRQ before reading + * SB IRQ like we do now, since ALS4000a.PDF mentions that PCI IRQ will *clear* + * SB IRQ status. + * (hmm, SPECS_PAGE: 38 mentions it the other way around!) + * And do we *really* need the lock here for *reading* SB_DSP4_IRQSTATUS?? + * */ +static irqreturn_t snd_als4000_interrupt(int irq, void *dev_id) { - sb_t *chip = dev_id; - unsigned gcr_status; - unsigned sb_status; - - /* find out which bit of the ALS4000 produced the interrupt */ - gcr_status = inb(chip->alt_port + 0xe); - - if ((gcr_status & 0x80) && (chip->playback_substream)) /* playback */ + struct snd_sb *chip = dev_id; + unsigned pci_irqstatus; + unsigned sb_irqstatus; + + /* find out which bit of the ALS4000 PCI block produced the interrupt, + SPECS_PAGE: 38, 5 */ + pci_irqstatus = snd_als4k_iobase_readb(chip->alt_port, + ALS4K_IOB_0E_IRQTYPE_SB_CR1E_MPU); + if ((pci_irqstatus & ALS4K_IOB_0E_SB_DMA_IRQ) + && (chip->playback_substream)) /* playback */ snd_pcm_period_elapsed(chip->playback_substream); - if ((gcr_status & 0x40) && (chip->capture_substream)) /* capturing */ + if ((pci_irqstatus & ALS4K_IOB_0E_CR1E_IRQ) + && (chip->capture_substream)) /* capturing */ snd_pcm_period_elapsed(chip->capture_substream); - if ((gcr_status & 0x10) && (chip->rmidi)) /* MPU401 interrupt */ - snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs); - /* release the gcr */ - outb(gcr_status, chip->alt_port + 0xe); + if ((pci_irqstatus & ALS4K_IOB_0E_MPU_IRQ) + && (chip->rmidi)) /* MPU401 interrupt */ + snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); + /* ACK the PCI block IRQ */ + snd_als4k_iobase_writeb(chip->alt_port, + ALS4K_IOB_0E_IRQTYPE_SB_CR1E_MPU, pci_irqstatus); spin_lock(&chip->mixer_lock); - sb_status = snd_sbmixer_read(chip, SB_DSP4_IRQSTATUS); + /* SPECS_PAGE: 20 */ + sb_irqstatus = snd_sbmixer_read(chip, SB_DSP4_IRQSTATUS); spin_unlock(&chip->mixer_lock); - if (sb_status & SB_IRQTYPE_8BIT) + if (sb_irqstatus & SB_IRQTYPE_8BIT) snd_sb_ack_8bit(chip); - if (sb_status & SB_IRQTYPE_16BIT) + if (sb_irqstatus & SB_IRQTYPE_16BIT) snd_sb_ack_16bit(chip); - if (sb_status & SB_IRQTYPE_MPUIN) + if (sb_irqstatus & SB_IRQTYPE_MPUIN) inb(chip->mpu_port); - if (sb_status & 0x20) - inb(SBP(chip, RESET)); - return IRQ_HANDLED; + if (sb_irqstatus & ALS4K_IRQTYPE_CR1E_DMA) + snd_als4k_iobase_readb(chip->alt_port, + ALS4K_IOB_16_ACK_FOR_CR1E); + + /* printk(KERN_INFO "als4000: irq 0x%04x 0x%04x\n", + pci_irqstatus, sb_irqstatus); */ + + /* only ack the things we actually handled above */ + return IRQ_RETVAL( + (pci_irqstatus & (ALS4K_IOB_0E_SB_DMA_IRQ|ALS4K_IOB_0E_CR1E_IRQ| + ALS4K_IOB_0E_MPU_IRQ)) + || (sb_irqstatus & (SB_IRQTYPE_8BIT|SB_IRQTYPE_16BIT| + SB_IRQTYPE_MPUIN|ALS4K_IRQTYPE_CR1E_DMA)) + ); } /*****************************************************************/ -static snd_pcm_hardware_t snd_als4000_playback = +static struct snd_pcm_hardware snd_als4000_playback = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP_VALID), @@ -407,7 +612,7 @@ static snd_pcm_hardware_t snd_als4000_playback = .fifo_size = 0 }; -static snd_pcm_hardware_t snd_als4000_capture = +static struct snd_pcm_hardware snd_als4000_capture = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP_VALID), @@ -428,38 +633,38 @@ static snd_pcm_hardware_t snd_als4000_capture = /*****************************************************************/ -static int snd_als4000_playback_open(snd_pcm_substream_t * substream) +static int snd_als4000_playback_open(struct snd_pcm_substream *substream) { - sb_t *chip = snd_pcm_substream_chip(substream); - snd_pcm_runtime_t *runtime = substream->runtime; + struct snd_sb *chip = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; chip->playback_substream = substream; runtime->hw = snd_als4000_playback; return 0; } -static int snd_als4000_playback_close(snd_pcm_substream_t * substream) +static int snd_als4000_playback_close(struct snd_pcm_substream *substream) { - sb_t *chip = snd_pcm_substream_chip(substream); + struct snd_sb *chip = snd_pcm_substream_chip(substream); chip->playback_substream = NULL; snd_pcm_lib_free_pages(substream); return 0; } -static int snd_als4000_capture_open(snd_pcm_substream_t * substream) +static int snd_als4000_capture_open(struct snd_pcm_substream *substream) { - sb_t *chip = snd_pcm_substream_chip(substream); - snd_pcm_runtime_t *runtime = substream->runtime; + struct snd_sb *chip = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; chip->capture_substream = substream; runtime->hw = snd_als4000_capture; return 0; } -static int snd_als4000_capture_close(snd_pcm_substream_t * substream) +static int snd_als4000_capture_close(struct snd_pcm_substream *substream) { - sb_t *chip = snd_pcm_substream_chip(substream); + struct snd_sb *chip = snd_pcm_substream_chip(substream); chip->capture_substream = NULL; snd_pcm_lib_free_pages(substream); @@ -468,7 +673,7 @@ static int snd_als4000_capture_close(snd_pcm_substream_t * substream) /******************************************************************/ -static snd_pcm_ops_t snd_als4000_playback_ops = { +static struct snd_pcm_ops snd_als4000_playback_ops = { .open = snd_als4000_playback_open, .close = snd_als4000_playback_close, .ioctl = snd_pcm_lib_ioctl, @@ -479,7 +684,7 @@ static snd_pcm_ops_t snd_als4000_playback_ops = { .pointer = snd_als4000_playback_pointer }; -static snd_pcm_ops_t snd_als4000_capture_ops = { +static struct snd_pcm_ops snd_als4000_capture_ops = { .open = snd_als4000_capture_open, .close = snd_als4000_capture_close, .ioctl = snd_pcm_lib_ioctl, @@ -490,21 +695,14 @@ static snd_pcm_ops_t snd_als4000_capture_ops = { .pointer = snd_als4000_capture_pointer }; -static void snd_als4000_pcm_free(snd_pcm_t *pcm) +static int __devinit snd_als4000_pcm(struct snd_sb *chip, int device) { - sb_t *chip = pcm->private_data; - chip->pcm = NULL; - snd_pcm_lib_preallocate_free_for_all(pcm); -} - -static int __devinit snd_als4000_pcm(sb_t *chip, int device) -{ - snd_pcm_t *pcm; + struct snd_pcm *pcm; int err; - if ((err = snd_pcm_new(chip->card, "ALS4000 DSP", device, 1, 1, &pcm)) < 0) + err = snd_pcm_new(chip->card, "ALS4000 DSP", device, 1, 1, &pcm); + if (err < 0) return err; - pcm->private_free = snd_als4000_pcm_free; pcm->private_data = chip; pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_als4000_playback_ops); @@ -520,53 +718,60 @@ static int __devinit snd_als4000_pcm(sb_t *chip, int device) /******************************************************************/ -static void snd_als4000_set_addr(unsigned long gcr, - unsigned int sb, - unsigned int mpu, - unsigned int opl, - unsigned int game) +static void snd_als4000_set_addr(unsigned long iobase, + unsigned int sb_io, + unsigned int mpu_io, + unsigned int opl_io, + unsigned int game_io) { - u32 confA = 0; - u32 confB = 0; - - if (mpu > 0) - confB |= (mpu | 1) << 16; - if (sb > 0) - confB |= (sb | 1); - if (game > 0) - confA |= (game | 1) << 16; - if (opl > 0) - confA |= (opl | 1); - snd_als4000_gcr_write_addr(gcr, 0xa8, confA); - snd_als4000_gcr_write_addr(gcr, 0xa9, confB); + u32 cfg1 = 0; + u32 cfg2 = 0; + + if (mpu_io > 0) + cfg2 |= (mpu_io | 1) << 16; + if (sb_io > 0) + cfg2 |= (sb_io | 1); + if (game_io > 0) + cfg1 |= (game_io | 1) << 16; + if (opl_io > 0) + cfg1 |= (opl_io | 1); + snd_als4k_gcr_write_addr(iobase, ALS4K_GCRA8_LEGACY_CFG1, cfg1); + snd_als4k_gcr_write_addr(iobase, ALS4K_GCRA9_LEGACY_CFG2, cfg2); } -static void __devinit snd_als4000_configure(sb_t *chip) +static void snd_als4000_configure(struct snd_sb *chip) { - unsigned tmp; + u8 tmp; int i; /* do some more configuration */ spin_lock_irq(&chip->mixer_lock); - tmp = snd_sbmixer_read(chip, 0xc0); - snd_sbmixer_write(chip, 0xc0, tmp|0x80); - /* always select DMA channel 0, since we do not actually use DMA */ + tmp = snd_als4_cr_read(chip, ALS4K_CR0_SB_CONFIG); + snd_als4_cr_write(chip, ALS4K_CR0_SB_CONFIG, + tmp|ALS4K_CR0_MX80_81_REG_WRITE_ENABLE); + /* always select DMA channel 0, since we do not actually use DMA + * SPECS_PAGE: 19/20 */ snd_sbmixer_write(chip, SB_DSP4_DMASETUP, SB_DMASETUP_DMA0); - snd_sbmixer_write(chip, 0xc0, tmp&0x7f); + snd_als4_cr_write(chip, ALS4K_CR0_SB_CONFIG, + tmp & ~ALS4K_CR0_MX80_81_REG_WRITE_ENABLE); spin_unlock_irq(&chip->mixer_lock); spin_lock_irq(&chip->reg_lock); - /* magic number. Enables interrupts(?) */ - snd_als4000_gcr_write(chip, 0x8c, 0x28000); - for(i = 0x91; i <= 0x96; ++i) - snd_als4000_gcr_write(chip, i, 0); + /* enable interrupts */ + snd_als4k_gcr_write(chip, ALS4K_GCR8C_MISC_CTRL, + ALS4K_GCR8C_IRQ_MASK_CTRL_ENABLE); + + /* SPECS_PAGE: 39 */ + for (i = ALS4K_GCR91_DMA0_ADDR; i <= ALS4K_GCR96_DMA3_MODE_COUNT; ++i) + snd_als4k_gcr_write(chip, i, 0); - snd_als4000_gcr_write(chip, 0x99, snd_als4000_gcr_read(chip, 0x99)); + snd_als4k_gcr_write(chip, ALS4K_GCR99_DMA_EMULATION_CTRL, + snd_als4k_gcr_read(chip, ALS4K_GCR99_DMA_EMULATION_CTRL)); spin_unlock_irq(&chip->reg_lock); } #ifdef SUPPORT_JOYSTICK -static int __devinit snd_als4000_create_gameport(snd_card_als4000_t *acard, int dev) +static int __devinit snd_als4000_create_gameport(struct snd_card_als4000 *acard, int dev) { struct gameport *gp; struct resource *r; @@ -605,14 +810,14 @@ static int __devinit snd_als4000_create_gameport(snd_card_als4000_t *acard, int gameport_set_port_data(gp, r); /* Enable legacy joystick port */ - snd_als4000_set_addr(acard->gcr, 0, 0, 0, 1); + snd_als4000_set_addr(acard->iobase, 0, 0, 0, 1); gameport_register_port(acard->gameport); return 0; } -static void snd_als4000_free_gameport(snd_card_als4000_t *acard) +static void snd_als4000_free_gameport(struct snd_card_als4000 *acard) { if (acard->gameport) { struct resource *r = gameport_get_port_data(acard->gameport); @@ -620,21 +825,23 @@ static void snd_als4000_free_gameport(snd_card_als4000_t *acard) gameport_unregister_port(acard->gameport); acard->gameport = NULL; - snd_als4000_set_addr(acard->gcr, 0, 0, 0, 0); /* disable joystick */ + /* disable joystick */ + snd_als4000_set_addr(acard->iobase, 0, 0, 0, 0); + release_and_free_resource(r); } } #else -static inline int snd_als4000_create_gameport(snd_card_als4000_t *acard, int dev) { return -ENOSYS; } -static inline void snd_als4000_free_gameport(snd_card_als4000_t *acard) { } +static inline int snd_als4000_create_gameport(struct snd_card_als4000 *acard, int dev) { return -ENOSYS; } +static inline void snd_als4000_free_gameport(struct snd_card_als4000 *acard) { } #endif -static void snd_card_als4000_free( snd_card_t *card ) +static void snd_card_als4000_free( struct snd_card *card ) { - snd_card_als4000_t * acard = (snd_card_als4000_t *)card->private_data; + struct snd_card_als4000 *acard = card->private_data; /* make sure that interrupts are disabled */ - snd_als4000_gcr_write_addr( acard->gcr, 0x8c, 0); + snd_als4k_gcr_write_addr(acard->iobase, ALS4K_GCR8C_MISC_CTRL, 0); /* free resources */ snd_als4000_free_gameport(acard); pci_release_regions(acard->pci); @@ -645,11 +852,11 @@ static int __devinit snd_card_als4000_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { static int dev; - snd_card_t *card; - snd_card_als4000_t *acard; - unsigned long gcr; - sb_t *chip; - opl3_t *opl3; + struct snd_card *card; + struct snd_card_als4000 *acard; + unsigned long iobase; + struct snd_sb *chip; + struct snd_opl3 *opl3; unsigned short word; int err; @@ -665,8 +872,8 @@ static int __devinit snd_card_als4000_probe(struct pci_dev *pci, return err; } /* check, if we can restrict PCI DMA transfers to 24 bits */ - if (pci_set_dma_mask(pci, 0x00ffffff) < 0 || - pci_set_consistent_dma_mask(pci, 0x00ffffff) < 0) { + if (pci_set_dma_mask(pci, DMA_BIT_MASK(24)) < 0 || + pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(24)) < 0) { snd_printk(KERN_ERR "architecture does not support 24bit PCI busmaster DMA\n"); pci_disable_device(pci); return -ENXIO; @@ -676,42 +883,44 @@ static int __devinit snd_card_als4000_probe(struct pci_dev *pci, pci_disable_device(pci); return err; } - gcr = pci_resource_start(pci, 0); + iobase = pci_resource_start(pci, 0); pci_read_config_word(pci, PCI_COMMAND, &word); pci_write_config_word(pci, PCI_COMMAND, word | PCI_COMMAND_IO); pci_set_master(pci); - card = snd_card_new(index[dev], id[dev], THIS_MODULE, - sizeof( snd_card_als4000_t ) ); - if (card == NULL) { + err = snd_card_create(index[dev], id[dev], THIS_MODULE, + sizeof(*acard) /* private_data: acard */, + &card); + if (err < 0) { pci_release_regions(pci); pci_disable_device(pci); - return -ENOMEM; + return err; } - acard = (snd_card_als4000_t *)card->private_data; + acard = card->private_data; acard->pci = pci; - acard->gcr = gcr; + acard->iobase = iobase; card->private_free = snd_card_als4000_free; /* disable all legacy ISA stuff */ - snd_als4000_set_addr(acard->gcr, 0, 0, 0, 0); + snd_als4000_set_addr(acard->iobase, 0, 0, 0, 0); if ((err = snd_sbdsp_create(card, - gcr + 0x10, + iobase + ALS4K_IOB_10_ADLIB_ADDR0, pci->irq, + /* internally registered as IRQF_SHARED in case of ALS4000 SB */ snd_als4000_interrupt, -1, -1, SB_HW_ALS4000, &chip)) < 0) { - snd_card_free(card); - return err; + goto out_err; } + acard->chip = chip; chip->pci = pci; - chip->alt_port = gcr; + chip->alt_port = iobase; snd_card_set_dev(card, &pci->dev); snd_als4000_configure(chip); @@ -722,42 +931,54 @@ static int __devinit snd_card_als4000_probe(struct pci_dev *pci, card->shortname, chip->alt_port, chip->irq); if ((err = snd_mpu401_uart_new( card, 0, MPU401_HW_ALS4000, - gcr+0x30, 1, pci->irq, 0, - &chip->rmidi)) < 0) { - snd_card_free(card); - printk(KERN_ERR "als4000: no MPU-401device at 0x%lx ?\n", gcr+0x30); - return err; + iobase + ALS4K_IOB_30_MIDI_DATA, + MPU401_INFO_INTEGRATED, + pci->irq, 0, &chip->rmidi)) < 0) { + printk(KERN_ERR "als4000: no MPU-401 device at 0x%lx?\n", + iobase + ALS4K_IOB_30_MIDI_DATA); + goto out_err; } + /* FIXME: ALS4000 has interesting MPU401 configuration features + * at ALS4K_CR1A_MPU401_UART_MODE_CONTROL + * (pass-thru / UART switching, fast MIDI clock, etc.), + * however there doesn't seem to be an ALSA API for this... + * SPECS_PAGE: 21 */ if ((err = snd_als4000_pcm(chip, 0)) < 0) { - snd_card_free(card); - return err; + goto out_err; } if ((err = snd_sbmixer_new(chip)) < 0) { - snd_card_free(card); - return err; + goto out_err; } - if (snd_opl3_create(card, gcr+0x10, gcr+0x12, + if (snd_opl3_create(card, + iobase + ALS4K_IOB_10_ADLIB_ADDR0, + iobase + ALS4K_IOB_12_ADLIB_ADDR2, OPL3_HW_AUTO, 1, &opl3) < 0) { - printk(KERN_ERR "als4000: no OPL device at 0x%lx-0x%lx ?\n", - gcr+0x10, gcr+0x12 ); + printk(KERN_ERR "als4000: no OPL device at 0x%lx-0x%lx?\n", + iobase + ALS4K_IOB_10_ADLIB_ADDR0, + iobase + ALS4K_IOB_12_ADLIB_ADDR2); } else { if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { - snd_card_free(card); - return err; + goto out_err; } } snd_als4000_create_gameport(acard, dev); if ((err = snd_card_register(card)) < 0) { - snd_card_free(card); - return err; + goto out_err; } pci_set_drvdata(pci, card); dev++; - return 0; + err = 0; + goto out; + +out_err: + snd_card_free(card); + +out: + return err; } static void __devexit snd_card_als4000_remove(struct pci_dev *pci) @@ -766,12 +987,64 @@ static void __devexit snd_card_als4000_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } +#ifdef CONFIG_PM +static int snd_als4000_suspend(struct pci_dev *pci, pm_message_t state) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct snd_card_als4000 *acard = card->private_data; + struct snd_sb *chip = acard->chip; + + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + + snd_pcm_suspend_all(chip->pcm); + snd_sbmixer_suspend(chip); + + pci_disable_device(pci); + pci_save_state(pci); + pci_set_power_state(pci, pci_choose_state(pci, state)); + return 0; +} + +static int snd_als4000_resume(struct pci_dev *pci) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct snd_card_als4000 *acard = card->private_data; + struct snd_sb *chip = acard->chip; + + pci_set_power_state(pci, PCI_D0); + pci_restore_state(pci); + if (pci_enable_device(pci) < 0) { + printk(KERN_ERR "als4000: pci_enable_device failed, " + "disabling device\n"); + snd_card_disconnect(card); + return -EIO; + } + pci_set_master(pci); + + snd_als4000_configure(chip); + snd_sbdsp_reset(chip); + snd_sbmixer_resume(chip); + +#ifdef SUPPORT_JOYSTICK + if (acard->gameport) + snd_als4000_set_addr(acard->iobase, 0, 0, 0, 1); +#endif + + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + return 0; +} +#endif /* CONFIG_PM */ + + static struct pci_driver driver = { .name = "ALS4000", - .owner = THIS_MODULE, .id_table = snd_als4000_ids, .probe = snd_card_als4000_probe, .remove = __devexit_p(snd_card_als4000_remove), +#ifdef CONFIG_PM + .suspend = snd_als4000_suspend, + .resume = snd_als4000_resume, +#endif }; static int __init alsa_card_als4000_init(void)