From: Andreas Mohr Date: Thu, 17 Nov 2005 10:03:31 +0000 (+0100) Subject: [ALSA] ALS4000 update X-Git-Tag: v2.6.16-rc1~474^2~22^2~3^2~245 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba7301c7d985d206a5688c69d0a74de3988f6d6c;p=linux-2.6 [ALSA] ALS4000 update Modules: SB drivers,ALS4000 driver some update for the ALS4000 driver (tested with hardware in my PC): - use common control names according to ControlNames.txt - add some controls (Master Mono, 3D control) - optimize struct snd_card_als4000_t layout (performance/size) - save some bytes via unified error path - constify some read-only data - add ToDo list - move GPL license text to top - add comments Signed-off-by: Andreas Mohr Signed-off-by: Takashi Iwai --- diff --git a/sound/isa/sb/sb_mixer.c b/sound/isa/sb/sb_mixer.c index 5a926a452d..23cfa6a6a0 100644 --- a/sound/isa/sb/sb_mixer.c +++ b/sound/isa/sb/sb_mixer.c @@ -669,25 +669,34 @@ static unsigned char snd_dt019x_init_values[][2] = { /* * ALS4000 specific mixer elements */ -/* FIXME: SB_ALS4000_MONO_IO_CTRL needs output select ctrl ! */ -static struct sbmix_elem snd_als4000_ctl_mono_output_switch = - SB_SINGLE("Mono Output Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1); -/* FIXME: mono input switch also available on DT019X ? */ -static struct sbmix_elem snd_als4000_ctl_mono_input_switch = - SB_SINGLE("Mono Input Switch", SB_DT019X_OUTPUT_SW2, 0, 1); +/* FIXME: SB_ALS4000_MONO_IO_CTRL needs output select ctrl! */ +static struct sbmix_elem snd_als4000_ctl_master_mono_playback_switch = + SB_SINGLE("Master Mono Playback Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1); +static struct sbmix_elem snd_als4000_ctl_master_mono_capture_route = + SB_SINGLE("Master Mono Capture Route", SB_ALS4000_MONO_IO_CTRL, 6, 0x03); +/* FIXME: mono playback switch also available on DT019X? */ +static struct sbmix_elem snd_als4000_ctl_mono_playback_switch = + SB_SINGLE("Mono Playback Switch", SB_DT019X_OUTPUT_SW2, 0, 1); static struct sbmix_elem snd_als4000_ctl_mic_20db_boost = SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03); -static struct sbmix_elem snd_als4000_ctl_mixer_out_to_in = - SB_SINGLE("Mixer Out To In", SB_ALS4000_MIC_IN_GAIN, 7, 0x01); -/* FIXME: 3D needs much more sophisticated controls, many more features ! */ -static struct sbmix_elem snd_als4000_ctl_3d_output_switch = - SB_SINGLE("3D Output Switch", SB_ALS4000_3D_SND_FX, 6, 0x01); -static struct sbmix_elem snd_als4000_ctl_3d_output_ratio = - SB_SINGLE("3D Output Ratio", SB_ALS4000_3D_SND_FX, 0, 0x07); -static struct sbmix_elem snd_als4000_ctl_3d_poweroff_switch = +static struct sbmix_elem snd_als4000_ctl_mixer_loopback = + SB_SINGLE("Analog Loopback", SB_ALS4000_MIC_IN_GAIN, 7, 0x01); +/* FIXME: functionality of 3D controls might be swapped, I didn't find + * a description of how to identify what is supposed to be what */ +static struct sbmix_elem snd_als4000_3d_control_switch = + SB_SINGLE("3D Control - Switch", SB_ALS4000_3D_SND_FX, 6, 0x01); +static struct sbmix_elem snd_als4000_3d_control_ratio = + SB_SINGLE("3D Control - Level", SB_ALS4000_3D_SND_FX, 0, 0x07); +static struct sbmix_elem snd_als4000_3d_control_freq = + /* FIXME: maybe there's actually some standard 3D ctrl name for it?? */ + SB_SINGLE("3D Control - Freq", SB_ALS4000_3D_SND_FX, 4, 0x03); +static struct sbmix_elem snd_als4000_3d_control_delay = + /* FIXME: ALS4000a.pdf mentions BBD (Bucket Brigade Device) time delay, + * but what ALSA 3D attribute is that actually? "Center", "Depth", + * "Wide" or "Space" or even "Level"? Assuming "Wide" for now... */ + SB_SINGLE("3D Control - Wide", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f); +static struct sbmix_elem snd_als4000_3d_control_poweroff_switch = SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01); -static struct sbmix_elem snd_als4000_ctl_3d_delay = - SB_SINGLE("3D Delay", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f); #ifdef NOT_AVAILABLE static struct sbmix_elem snd_als4000_ctl_fmdac = SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01); @@ -716,13 +725,15 @@ static struct sbmix_elem *snd_als4000_controls[] = { &snd_sb16_ctl_pc_speaker_vol, &snd_sb16_ctl_capture_vol, &snd_sb16_ctl_play_vol, - &snd_als4000_ctl_mono_output_switch, - &snd_als4000_ctl_mono_input_switch, - &snd_als4000_ctl_mixer_out_to_in, - &snd_als4000_ctl_3d_output_switch, - &snd_als4000_ctl_3d_output_ratio, - &snd_als4000_ctl_3d_delay, - &snd_als4000_ctl_3d_poweroff_switch, + &snd_als4000_ctl_master_mono_playback_switch, + &snd_als4000_ctl_master_mono_capture_route, + &snd_als4000_ctl_mono_playback_switch, + &snd_als4000_ctl_mixer_loopback, + &snd_als4000_3d_control_switch, + &snd_als4000_3d_control_ratio, + &snd_als4000_3d_control_freq, + &snd_als4000_3d_control_delay, + &snd_als4000_3d_control_poweroff_switch, #ifdef NOT_AVAILABLE &snd_als4000_ctl_fmdac, &snd_als4000_ctl_qsound, diff --git a/sound/pci/als4000.c b/sound/pci/als4000.c index d496cc5ab3..48b5175c59 100644 --- a/sound/pci/als4000.c +++ b/sound/pci/als4000.c @@ -6,6 +6,21 @@ * * 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 @@ -43,19 +58,9 @@ * 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: + * - Proper shared IRQ handling? + * - power management? (card can do voice wakeup according to datasheet!!) */ #include @@ -101,8 +106,9 @@ MODULE_PARM_DESC(joystick_port, "Joystick port address for ALS4000 soundcard. (0 #endif typedef struct { - struct pci_dev *pci; + /* most frequent access first */ unsigned long gcr; + struct pci_dev *pci; #ifdef SUPPORT_JOYSTICK struct gameport *gameport; #endif @@ -146,13 +152,13 @@ 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(sb_t *chip, dma_addr_t addr, unsigned size) { snd_als4000_gcr_write(chip, 0xa2, addr); snd_als4000_gcr_write(chip, 0xa3, (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(sb_t *chip, dma_addr_t addr, unsigned size) { snd_als4000_gcr_write(chip, 0x91, addr); snd_als4000_gcr_write(chip, 0x92, (size-1)|0x180000); @@ -177,7 +183,7 @@ 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 +207,7 @@ 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 */ @@ -228,9 +234,9 @@ static int snd_als4000_hw_free(snd_pcm_substream_t * substream) static int snd_als4000_capture_prepare(snd_pcm_substream_t * substream) { - unsigned long flags; sb_t *chip = snd_pcm_substream_chip(substream); snd_pcm_runtime_t *runtime = substream->runtime; + unsigned long flags; unsigned long size; unsigned count; @@ -256,9 +262,9 @@ static int snd_als4000_capture_prepare(snd_pcm_substream_t * substream) static int snd_als4000_playback_prepare(snd_pcm_substream_t *substream) { - unsigned long flags; sb_t *chip = snd_pcm_substream_chip(substream); snd_pcm_runtime_t *runtime = substream->runtime; + unsigned long flags; unsigned long size; unsigned count; @@ -353,6 +359,18 @@ static snd_pcm_uframes_t snd_als4000_playback_pointer(snd_pcm_substream_t * subs return bytes_to_frames( substream->runtime, result ); } +/* 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 + 0x0e). 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. + * And do we *really* need the lock here for *reading* SB_DSP4_IRQSTATUS?? + * */ static irqreturn_t snd_als4000_interrupt(int irq, void *dev_id, struct pt_regs *regs) { sb_t *chip = dev_id; @@ -698,8 +716,7 @@ static int __devinit snd_card_als4000_probe(struct pci_dev *pci, -1, SB_HW_ALS4000, &chip)) < 0) { - snd_card_free(card); - return err; + goto out_err; } chip->pci = pci; @@ -716,40 +733,42 @@ static int __devinit snd_card_als4000_probe(struct pci_dev *pci, 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; + printk(KERN_ERR "als4000: no MPU-401 device at 0x%lx?\n", gcr+0x30); + goto out_err; } 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, OPL3_HW_AUTO, 1, &opl3) < 0) { - printk(KERN_ERR "als4000: no OPL device at 0x%lx-0x%lx ?\n", + printk(KERN_ERR "als4000: no OPL device at 0x%lx-0x%lx?\n", gcr+0x10, gcr+0x12 ); } 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)