diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/isa/sb/sb16_csp.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/isa/sb/sb16_csp.c | 1202 |
1 files changed, 0 insertions, 1202 deletions
diff --git a/ANDROID_3.4.5/sound/isa/sb/sb16_csp.c b/ANDROID_3.4.5/sound/isa/sb/sb16_csp.c deleted file mode 100644 index c1aa21ed..00000000 --- a/ANDROID_3.4.5/sound/isa/sb/sb16_csp.c +++ /dev/null @@ -1,1202 +0,0 @@ -/* - * Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si> - * Takashi Iwai <tiwai@suse.de> - * - * SB16ASP/AWE32 CSP control - * - * CSP microcode loader: - * alsa-tools/sb16_csp/ - * - * 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 - * - */ - -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <sound/core.h> -#include <sound/control.h> -#include <sound/info.h> -#include <sound/sb16_csp.h> -#include <sound/initval.h> - -MODULE_AUTHOR("Uros Bizjak <uros@kss-loka.si>"); -MODULE_DESCRIPTION("ALSA driver for SB16 Creative Signal Processor"); -MODULE_LICENSE("GPL"); -MODULE_FIRMWARE("sb16/mulaw_main.csp"); -MODULE_FIRMWARE("sb16/alaw_main.csp"); -MODULE_FIRMWARE("sb16/ima_adpcm_init.csp"); -MODULE_FIRMWARE("sb16/ima_adpcm_playback.csp"); -MODULE_FIRMWARE("sb16/ima_adpcm_capture.csp"); - -#ifdef SNDRV_LITTLE_ENDIAN -#define CSP_HDR_VALUE(a,b,c,d) ((a) | ((b)<<8) | ((c)<<16) | ((d)<<24)) -#else -#define CSP_HDR_VALUE(a,b,c,d) ((d) | ((c)<<8) | ((b)<<16) | ((a)<<24)) -#endif - -#define RIFF_HEADER CSP_HDR_VALUE('R', 'I', 'F', 'F') -#define CSP__HEADER CSP_HDR_VALUE('C', 'S', 'P', ' ') -#define LIST_HEADER CSP_HDR_VALUE('L', 'I', 'S', 'T') -#define FUNC_HEADER CSP_HDR_VALUE('f', 'u', 'n', 'c') -#define CODE_HEADER CSP_HDR_VALUE('c', 'o', 'd', 'e') -#define INIT_HEADER CSP_HDR_VALUE('i', 'n', 'i', 't') -#define MAIN_HEADER CSP_HDR_VALUE('m', 'a', 'i', 'n') - -/* - * RIFF data format - */ -struct riff_header { - __u32 name; - __u32 len; -}; - -struct desc_header { - struct riff_header info; - __u16 func_nr; - __u16 VOC_type; - __u16 flags_play_rec; - __u16 flags_16bit_8bit; - __u16 flags_stereo_mono; - __u16 flags_rates; -}; - -/* - * prototypes - */ -static void snd_sb_csp_free(struct snd_hwdep *hw); -static int snd_sb_csp_open(struct snd_hwdep * hw, struct file *file); -static int snd_sb_csp_ioctl(struct snd_hwdep * hw, struct file *file, unsigned int cmd, unsigned long arg); -static int snd_sb_csp_release(struct snd_hwdep * hw, struct file *file); - -static int csp_detect(struct snd_sb *chip, int *version); -static int set_codec_parameter(struct snd_sb *chip, unsigned char par, unsigned char val); -static int set_register(struct snd_sb *chip, unsigned char reg, unsigned char val); -static int read_register(struct snd_sb *chip, unsigned char reg); -static int set_mode_register(struct snd_sb *chip, unsigned char mode); -static int get_version(struct snd_sb *chip); - -static int snd_sb_csp_riff_load(struct snd_sb_csp * p, - struct snd_sb_csp_microcode __user * code); -static int snd_sb_csp_unload(struct snd_sb_csp * p); -static int snd_sb_csp_load_user(struct snd_sb_csp * p, const unsigned char __user *buf, int size, int load_flags); -static int snd_sb_csp_autoload(struct snd_sb_csp * p, int pcm_sfmt, int play_rec_mode); -static int snd_sb_csp_check_version(struct snd_sb_csp * p); - -static int snd_sb_csp_use(struct snd_sb_csp * p); -static int snd_sb_csp_unuse(struct snd_sb_csp * p); -static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channels); -static int snd_sb_csp_stop(struct snd_sb_csp * p); -static int snd_sb_csp_pause(struct snd_sb_csp * p); -static int snd_sb_csp_restart(struct snd_sb_csp * p); - -static int snd_sb_qsound_build(struct snd_sb_csp * p); -static void snd_sb_qsound_destroy(struct snd_sb_csp * p); -static int snd_sb_csp_qsound_transfer(struct snd_sb_csp * p); - -static int init_proc_entry(struct snd_sb_csp * p, int device); -static void info_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer); - -/* - * Detect CSP chip and create a new instance - */ -int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep) -{ - struct snd_sb_csp *p; - int uninitialized_var(version); - int err; - struct snd_hwdep *hw; - - if (rhwdep) - *rhwdep = NULL; - - if (csp_detect(chip, &version)) - return -ENODEV; - - if ((err = snd_hwdep_new(chip->card, "SB16-CSP", device, &hw)) < 0) - return err; - - if ((p = kzalloc(sizeof(*p), GFP_KERNEL)) == NULL) { - snd_device_free(chip->card, hw); - return -ENOMEM; - } - p->chip = chip; - p->version = version; - - /* CSP operators */ - p->ops.csp_use = snd_sb_csp_use; - p->ops.csp_unuse = snd_sb_csp_unuse; - p->ops.csp_autoload = snd_sb_csp_autoload; - p->ops.csp_start = snd_sb_csp_start; - p->ops.csp_stop = snd_sb_csp_stop; - p->ops.csp_qsound_transfer = snd_sb_csp_qsound_transfer; - - mutex_init(&p->access_mutex); - sprintf(hw->name, "CSP v%d.%d", (version >> 4), (version & 0x0f)); - hw->iface = SNDRV_HWDEP_IFACE_SB16CSP; - hw->private_data = p; - hw->private_free = snd_sb_csp_free; - - /* operators - only write/ioctl */ - hw->ops.open = snd_sb_csp_open; - hw->ops.ioctl = snd_sb_csp_ioctl; - hw->ops.release = snd_sb_csp_release; - - /* create a proc entry */ - init_proc_entry(p, device); - if (rhwdep) - *rhwdep = hw; - return 0; -} - -/* - * free_private for hwdep instance - */ -static void snd_sb_csp_free(struct snd_hwdep *hwdep) -{ - int i; - struct snd_sb_csp *p = hwdep->private_data; - if (p) { - if (p->running & SNDRV_SB_CSP_ST_RUNNING) - snd_sb_csp_stop(p); - for (i = 0; i < ARRAY_SIZE(p->csp_programs); ++i) - release_firmware(p->csp_programs[i]); - kfree(p); - } -} - -/* ------------------------------ */ - -/* - * open the device exclusively - */ -static int snd_sb_csp_open(struct snd_hwdep * hw, struct file *file) -{ - struct snd_sb_csp *p = hw->private_data; - return (snd_sb_csp_use(p)); -} - -/* - * ioctl for hwdep device: - */ -static int snd_sb_csp_ioctl(struct snd_hwdep * hw, struct file *file, unsigned int cmd, unsigned long arg) -{ - struct snd_sb_csp *p = hw->private_data; - struct snd_sb_csp_info info; - struct snd_sb_csp_start start_info; - int err; - - if (snd_BUG_ON(!p)) - return -EINVAL; - - if (snd_sb_csp_check_version(p)) - return -ENODEV; - - switch (cmd) { - /* get information */ - case SNDRV_SB_CSP_IOCTL_INFO: - *info.codec_name = *p->codec_name; - info.func_nr = p->func_nr; - info.acc_format = p->acc_format; - info.acc_channels = p->acc_channels; - info.acc_width = p->acc_width; - info.acc_rates = p->acc_rates; - info.csp_mode = p->mode; - info.run_channels = p->run_channels; - info.run_width = p->run_width; - info.version = p->version; - info.state = p->running; - if (copy_to_user((void __user *)arg, &info, sizeof(info))) - err = -EFAULT; - else - err = 0; - break; - - /* load CSP microcode */ - case SNDRV_SB_CSP_IOCTL_LOAD_CODE: - err = (p->running & SNDRV_SB_CSP_ST_RUNNING ? - -EBUSY : snd_sb_csp_riff_load(p, (struct snd_sb_csp_microcode __user *) arg)); - break; - case SNDRV_SB_CSP_IOCTL_UNLOAD_CODE: - err = (p->running & SNDRV_SB_CSP_ST_RUNNING ? - -EBUSY : snd_sb_csp_unload(p)); - break; - - /* change CSP running state */ - case SNDRV_SB_CSP_IOCTL_START: - if (copy_from_user(&start_info, (void __user *) arg, sizeof(start_info))) - err = -EFAULT; - else - err = snd_sb_csp_start(p, start_info.sample_width, start_info.channels); - break; - case SNDRV_SB_CSP_IOCTL_STOP: - err = snd_sb_csp_stop(p); - break; - case SNDRV_SB_CSP_IOCTL_PAUSE: - err = snd_sb_csp_pause(p); - break; - case SNDRV_SB_CSP_IOCTL_RESTART: - err = snd_sb_csp_restart(p); - break; - default: - err = -ENOTTY; - break; - } - - return err; -} - -/* - * close the device - */ -static int snd_sb_csp_release(struct snd_hwdep * hw, struct file *file) -{ - struct snd_sb_csp *p = hw->private_data; - return (snd_sb_csp_unuse(p)); -} - -/* ------------------------------ */ - -/* - * acquire device - */ -static int snd_sb_csp_use(struct snd_sb_csp * p) -{ - mutex_lock(&p->access_mutex); - if (p->used) { - mutex_unlock(&p->access_mutex); - return -EAGAIN; - } - p->used++; - mutex_unlock(&p->access_mutex); - - return 0; - -} - -/* - * release device - */ -static int snd_sb_csp_unuse(struct snd_sb_csp * p) -{ - mutex_lock(&p->access_mutex); - p->used--; - mutex_unlock(&p->access_mutex); - - return 0; -} - -/* - * load microcode via ioctl: - * code is user-space pointer - */ -static int snd_sb_csp_riff_load(struct snd_sb_csp * p, - struct snd_sb_csp_microcode __user * mcode) -{ - struct snd_sb_csp_mc_header info; - - unsigned char __user *data_ptr; - unsigned char __user *data_end; - unsigned short func_nr = 0; - - struct riff_header file_h, item_h, code_h; - __u32 item_type; - struct desc_header funcdesc_h; - - unsigned long flags; - int err; - - if (copy_from_user(&info, mcode, sizeof(info))) - return -EFAULT; - data_ptr = mcode->data; - - if (copy_from_user(&file_h, data_ptr, sizeof(file_h))) - return -EFAULT; - if ((file_h.name != RIFF_HEADER) || - (le32_to_cpu(file_h.len) >= SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE - sizeof(file_h))) { - snd_printd("%s: Invalid RIFF header\n", __func__); - return -EINVAL; - } - data_ptr += sizeof(file_h); - data_end = data_ptr + le32_to_cpu(file_h.len); - - if (copy_from_user(&item_type, data_ptr, sizeof(item_type))) - return -EFAULT; - if (item_type != CSP__HEADER) { - snd_printd("%s: Invalid RIFF file type\n", __func__); - return -EINVAL; - } - data_ptr += sizeof (item_type); - - for (; data_ptr < data_end; data_ptr += le32_to_cpu(item_h.len)) { - if (copy_from_user(&item_h, data_ptr, sizeof(item_h))) - return -EFAULT; - data_ptr += sizeof(item_h); - if (item_h.name != LIST_HEADER) - continue; - - if (copy_from_user(&item_type, data_ptr, sizeof(item_type))) - return -EFAULT; - switch (item_type) { - case FUNC_HEADER: - if (copy_from_user(&funcdesc_h, data_ptr + sizeof(item_type), sizeof(funcdesc_h))) - return -EFAULT; - func_nr = le16_to_cpu(funcdesc_h.func_nr); - break; - case CODE_HEADER: - if (func_nr != info.func_req) - break; /* not required function, try next */ - data_ptr += sizeof(item_type); - - /* destroy QSound mixer element */ - if (p->mode == SNDRV_SB_CSP_MODE_QSOUND) { - snd_sb_qsound_destroy(p); - } - /* Clear all flags */ - p->running = 0; - p->mode = 0; - - /* load microcode blocks */ - for (;;) { - if (data_ptr >= data_end) - return -EINVAL; - if (copy_from_user(&code_h, data_ptr, sizeof(code_h))) - return -EFAULT; - - /* init microcode blocks */ - if (code_h.name != INIT_HEADER) - break; - data_ptr += sizeof(code_h); - err = snd_sb_csp_load_user(p, data_ptr, le32_to_cpu(code_h.len), - SNDRV_SB_CSP_LOAD_INITBLOCK); - if (err) - return err; - data_ptr += le32_to_cpu(code_h.len); - } - /* main microcode block */ - if (copy_from_user(&code_h, data_ptr, sizeof(code_h))) - return -EFAULT; - - if (code_h.name != MAIN_HEADER) { - snd_printd("%s: Missing 'main' microcode\n", __func__); - return -EINVAL; - } - data_ptr += sizeof(code_h); - err = snd_sb_csp_load_user(p, data_ptr, - le32_to_cpu(code_h.len), 0); - if (err) - return err; - - /* fill in codec header */ - strlcpy(p->codec_name, info.codec_name, sizeof(p->codec_name)); - p->func_nr = func_nr; - p->mode = le16_to_cpu(funcdesc_h.flags_play_rec); - switch (le16_to_cpu(funcdesc_h.VOC_type)) { - case 0x0001: /* QSound decoder */ - if (le16_to_cpu(funcdesc_h.flags_play_rec) == SNDRV_SB_CSP_MODE_DSP_WRITE) { - if (snd_sb_qsound_build(p) == 0) - /* set QSound flag and clear all other mode flags */ - p->mode = SNDRV_SB_CSP_MODE_QSOUND; - } - p->acc_format = 0; - break; - case 0x0006: /* A Law codec */ - p->acc_format = SNDRV_PCM_FMTBIT_A_LAW; - break; - case 0x0007: /* Mu Law codec */ - p->acc_format = SNDRV_PCM_FMTBIT_MU_LAW; - break; - case 0x0011: /* what Creative thinks is IMA ADPCM codec */ - case 0x0200: /* Creative ADPCM codec */ - p->acc_format = SNDRV_PCM_FMTBIT_IMA_ADPCM; - break; - case 201: /* Text 2 Speech decoder */ - /* TODO: Text2Speech handling routines */ - p->acc_format = 0; - break; - case 0x0202: /* Fast Speech 8 codec */ - case 0x0203: /* Fast Speech 10 codec */ - p->acc_format = SNDRV_PCM_FMTBIT_SPECIAL; - break; - default: /* other codecs are unsupported */ - p->acc_format = p->acc_width = p->acc_rates = 0; - p->mode = 0; - snd_printd("%s: Unsupported CSP codec type: 0x%04x\n", - __func__, - le16_to_cpu(funcdesc_h.VOC_type)); - return -EINVAL; - } - p->acc_channels = le16_to_cpu(funcdesc_h.flags_stereo_mono); - p->acc_width = le16_to_cpu(funcdesc_h.flags_16bit_8bit); - p->acc_rates = le16_to_cpu(funcdesc_h.flags_rates); - - /* Decouple CSP from IRQ and DMAREQ lines */ - spin_lock_irqsave(&p->chip->reg_lock, flags); - set_mode_register(p->chip, 0xfc); - set_mode_register(p->chip, 0x00); - spin_unlock_irqrestore(&p->chip->reg_lock, flags); - - /* finished loading successfully */ - p->running = SNDRV_SB_CSP_ST_LOADED; /* set LOADED flag */ - return 0; - } - } - snd_printd("%s: Function #%d not found\n", __func__, info.func_req); - return -EINVAL; -} - -/* - * unload CSP microcode - */ -static int snd_sb_csp_unload(struct snd_sb_csp * p) -{ - if (p->running & SNDRV_SB_CSP_ST_RUNNING) - return -EBUSY; - if (!(p->running & SNDRV_SB_CSP_ST_LOADED)) - return -ENXIO; - - /* clear supported formats */ - p->acc_format = 0; - p->acc_channels = p->acc_width = p->acc_rates = 0; - /* destroy QSound mixer element */ - if (p->mode == SNDRV_SB_CSP_MODE_QSOUND) { - snd_sb_qsound_destroy(p); - } - /* clear all flags */ - p->running = 0; - p->mode = 0; - return 0; -} - -/* - * send command sequence to DSP - */ -static inline int command_seq(struct snd_sb *chip, const unsigned char *seq, int size) -{ - int i; - for (i = 0; i < size; i++) { - if (!snd_sbdsp_command(chip, seq[i])) - return -EIO; - } - return 0; -} - -/* - * set CSP codec parameter - */ -static int set_codec_parameter(struct snd_sb *chip, unsigned char par, unsigned char val) -{ - unsigned char dsp_cmd[3]; - - dsp_cmd[0] = 0x05; /* CSP set codec parameter */ - dsp_cmd[1] = val; /* Parameter value */ - dsp_cmd[2] = par; /* Parameter */ - command_seq(chip, dsp_cmd, 3); - snd_sbdsp_command(chip, 0x03); /* DSP read? */ - if (snd_sbdsp_get_byte(chip) != par) - return -EIO; - return 0; -} - -/* - * set CSP register - */ -static int set_register(struct snd_sb *chip, unsigned char reg, unsigned char val) -{ - unsigned char dsp_cmd[3]; - - dsp_cmd[0] = 0x0e; /* CSP set register */ - dsp_cmd[1] = reg; /* CSP Register */ - dsp_cmd[2] = val; /* value */ - return command_seq(chip, dsp_cmd, 3); -} - -/* - * read CSP register - * return < 0 -> error - */ -static int read_register(struct snd_sb *chip, unsigned char reg) -{ - unsigned char dsp_cmd[2]; - - dsp_cmd[0] = 0x0f; /* CSP read register */ - dsp_cmd[1] = reg; /* CSP Register */ - command_seq(chip, dsp_cmd, 2); - return snd_sbdsp_get_byte(chip); /* Read DSP value */ -} - -/* - * set CSP mode register - */ -static int set_mode_register(struct snd_sb *chip, unsigned char mode) -{ - unsigned char dsp_cmd[2]; - - dsp_cmd[0] = 0x04; /* CSP set mode register */ - dsp_cmd[1] = mode; /* mode */ - return command_seq(chip, dsp_cmd, 2); -} - -/* - * Detect CSP - * return 0 if CSP exists. - */ -static int csp_detect(struct snd_sb *chip, int *version) -{ - unsigned char csp_test1, csp_test2; - unsigned long flags; - int result = -ENODEV; - - spin_lock_irqsave(&chip->reg_lock, flags); - - set_codec_parameter(chip, 0x00, 0x00); - set_mode_register(chip, 0xfc); /* 0xfc = ?? */ - - csp_test1 = read_register(chip, 0x83); - set_register(chip, 0x83, ~csp_test1); - csp_test2 = read_register(chip, 0x83); - if (csp_test2 != (csp_test1 ^ 0xff)) - goto __fail; - - set_register(chip, 0x83, csp_test1); - csp_test2 = read_register(chip, 0x83); - if (csp_test2 != csp_test1) - goto __fail; - - set_mode_register(chip, 0x00); /* 0x00 = ? */ - - *version = get_version(chip); - snd_sbdsp_reset(chip); /* reset DSP after getversion! */ - if (*version >= 0x10 && *version <= 0x1f) - result = 0; /* valid version id */ - - __fail: - spin_unlock_irqrestore(&chip->reg_lock, flags); - return result; -} - -/* - * get CSP version number - */ -static int get_version(struct snd_sb *chip) -{ - unsigned char dsp_cmd[2]; - - dsp_cmd[0] = 0x08; /* SB_DSP_!something! */ - dsp_cmd[1] = 0x03; /* get chip version id? */ - command_seq(chip, dsp_cmd, 2); - - return (snd_sbdsp_get_byte(chip)); -} - -/* - * check if the CSP version is valid - */ -static int snd_sb_csp_check_version(struct snd_sb_csp * p) -{ - if (p->version < 0x10 || p->version > 0x1f) { - snd_printd("%s: Invalid CSP version: 0x%x\n", __func__, p->version); - return 1; - } - return 0; -} - -/* - * download microcode to CSP (microcode should have one "main" block). - */ -static int snd_sb_csp_load(struct snd_sb_csp * p, const unsigned char *buf, int size, int load_flags) -{ - int status, i; - int err; - int result = -EIO; - unsigned long flags; - - spin_lock_irqsave(&p->chip->reg_lock, flags); - snd_sbdsp_command(p->chip, 0x01); /* CSP download command */ - if (snd_sbdsp_get_byte(p->chip)) { - snd_printd("%s: Download command failed\n", __func__); - goto __fail; - } - /* Send CSP low byte (size - 1) */ - snd_sbdsp_command(p->chip, (unsigned char)(size - 1)); - /* Send high byte */ - snd_sbdsp_command(p->chip, (unsigned char)((size - 1) >> 8)); - /* send microcode sequence */ - /* load from kernel space */ - while (size--) { - if (!snd_sbdsp_command(p->chip, *buf++)) - goto __fail; - } - if (snd_sbdsp_get_byte(p->chip)) - goto __fail; - - if (load_flags & SNDRV_SB_CSP_LOAD_INITBLOCK) { - i = 0; - /* some codecs (FastSpeech) take some time to initialize */ - while (1) { - snd_sbdsp_command(p->chip, 0x03); - status = snd_sbdsp_get_byte(p->chip); - if (status == 0x55 || ++i >= 10) - break; - udelay (10); - } - if (status != 0x55) { - snd_printd("%s: Microcode initialization failed\n", __func__); - goto __fail; - } - } else { - /* - * Read mixer register SB_DSP4_DMASETUP after loading 'main' code. - * Start CSP chip if no 16bit DMA channel is set - some kind - * of autorun or perhaps a bugfix? - */ - spin_lock(&p->chip->mixer_lock); - status = snd_sbmixer_read(p->chip, SB_DSP4_DMASETUP); - spin_unlock(&p->chip->mixer_lock); - if (!(status & (SB_DMASETUP_DMA7 | SB_DMASETUP_DMA6 | SB_DMASETUP_DMA5))) { - err = (set_codec_parameter(p->chip, 0xaa, 0x00) || - set_codec_parameter(p->chip, 0xff, 0x00)); - snd_sbdsp_reset(p->chip); /* really! */ - if (err) - goto __fail; - set_mode_register(p->chip, 0xc0); /* c0 = STOP */ - set_mode_register(p->chip, 0x70); /* 70 = RUN */ - } - } - result = 0; - - __fail: - spin_unlock_irqrestore(&p->chip->reg_lock, flags); - return result; -} - -static int snd_sb_csp_load_user(struct snd_sb_csp * p, const unsigned char __user *buf, int size, int load_flags) -{ - int err; - unsigned char *kbuf; - - kbuf = memdup_user(buf, size); - if (IS_ERR(kbuf)) - return PTR_ERR(kbuf); - - err = snd_sb_csp_load(p, kbuf, size, load_flags); - - kfree(kbuf); - return err; -} - -static int snd_sb_csp_firmware_load(struct snd_sb_csp *p, int index, int flags) -{ - static const char *const names[] = { - "sb16/mulaw_main.csp", - "sb16/alaw_main.csp", - "sb16/ima_adpcm_init.csp", - "sb16/ima_adpcm_playback.csp", - "sb16/ima_adpcm_capture.csp", - }; - const struct firmware *program; - - BUILD_BUG_ON(ARRAY_SIZE(names) != CSP_PROGRAM_COUNT); - program = p->csp_programs[index]; - if (!program) { - int err = request_firmware(&program, names[index], - p->chip->card->dev); - if (err < 0) - return err; - p->csp_programs[index] = program; - } - return snd_sb_csp_load(p, program->data, program->size, flags); -} - -/* - * autoload hardware codec if necessary - * return 0 if CSP is loaded and ready to run (p->running != 0) - */ -static int snd_sb_csp_autoload(struct snd_sb_csp * p, int pcm_sfmt, int play_rec_mode) -{ - unsigned long flags; - int err = 0; - - /* if CSP is running or manually loaded then exit */ - if (p->running & (SNDRV_SB_CSP_ST_RUNNING | SNDRV_SB_CSP_ST_LOADED)) - return -EBUSY; - - /* autoload microcode only if requested hardware codec is not already loaded */ - if (((1 << pcm_sfmt) & p->acc_format) && (play_rec_mode & p->mode)) { - p->running = SNDRV_SB_CSP_ST_AUTO; - } else { - switch (pcm_sfmt) { - case SNDRV_PCM_FORMAT_MU_LAW: - err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_MULAW, 0); - p->acc_format = SNDRV_PCM_FMTBIT_MU_LAW; - p->mode = SNDRV_SB_CSP_MODE_DSP_READ | SNDRV_SB_CSP_MODE_DSP_WRITE; - break; - case SNDRV_PCM_FORMAT_A_LAW: - err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_ALAW, 0); - p->acc_format = SNDRV_PCM_FMTBIT_A_LAW; - p->mode = SNDRV_SB_CSP_MODE_DSP_READ | SNDRV_SB_CSP_MODE_DSP_WRITE; - break; - case SNDRV_PCM_FORMAT_IMA_ADPCM: - err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_ADPCM_INIT, - SNDRV_SB_CSP_LOAD_INITBLOCK); - if (err) - break; - if (play_rec_mode == SNDRV_SB_CSP_MODE_DSP_WRITE) { - err = snd_sb_csp_firmware_load - (p, CSP_PROGRAM_ADPCM_PLAYBACK, 0); - p->mode = SNDRV_SB_CSP_MODE_DSP_WRITE; - } else { - err = snd_sb_csp_firmware_load - (p, CSP_PROGRAM_ADPCM_CAPTURE, 0); - p->mode = SNDRV_SB_CSP_MODE_DSP_READ; - } - p->acc_format = SNDRV_PCM_FMTBIT_IMA_ADPCM; - break; - default: - /* Decouple CSP from IRQ and DMAREQ lines */ - if (p->running & SNDRV_SB_CSP_ST_AUTO) { - spin_lock_irqsave(&p->chip->reg_lock, flags); - set_mode_register(p->chip, 0xfc); - set_mode_register(p->chip, 0x00); - spin_unlock_irqrestore(&p->chip->reg_lock, flags); - p->running = 0; /* clear autoloaded flag */ - } - return -EINVAL; - } - if (err) { - p->acc_format = 0; - p->acc_channels = p->acc_width = p->acc_rates = 0; - - p->running = 0; /* clear autoloaded flag */ - p->mode = 0; - return (err); - } else { - p->running = SNDRV_SB_CSP_ST_AUTO; /* set autoloaded flag */ - p->acc_width = SNDRV_SB_CSP_SAMPLE_16BIT; /* only 16 bit data */ - p->acc_channels = SNDRV_SB_CSP_MONO | SNDRV_SB_CSP_STEREO; - p->acc_rates = SNDRV_SB_CSP_RATE_ALL; /* HW codecs accept all rates */ - } - - } - return (p->running & SNDRV_SB_CSP_ST_AUTO) ? 0 : -ENXIO; -} - -/* - * start CSP - */ -static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channels) -{ - unsigned char s_type; /* sample type */ - unsigned char mixL, mixR; - int result = -EIO; - unsigned long flags; - - if (!(p->running & (SNDRV_SB_CSP_ST_LOADED | SNDRV_SB_CSP_ST_AUTO))) { - snd_printd("%s: Microcode not loaded\n", __func__); - return -ENXIO; - } - if (p->running & SNDRV_SB_CSP_ST_RUNNING) { - snd_printd("%s: CSP already running\n", __func__); - return -EBUSY; - } - if (!(sample_width & p->acc_width)) { - snd_printd("%s: Unsupported PCM sample width\n", __func__); - return -EINVAL; - } - if (!(channels & p->acc_channels)) { - snd_printd("%s: Invalid number of channels\n", __func__); - return -EINVAL; - } - - /* Mute PCM volume */ - spin_lock_irqsave(&p->chip->mixer_lock, flags); - mixL = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV); - mixR = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV + 1); - snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL & 0x7); - snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR & 0x7); - - spin_lock(&p->chip->reg_lock); - set_mode_register(p->chip, 0xc0); /* c0 = STOP */ - set_mode_register(p->chip, 0x70); /* 70 = RUN */ - - s_type = 0x00; - if (channels == SNDRV_SB_CSP_MONO) - s_type = 0x11; /* 000n 000n (n = 1 if mono) */ - if (sample_width == SNDRV_SB_CSP_SAMPLE_8BIT) - s_type |= 0x22; /* 00dX 00dX (d = 1 if 8 bit samples) */ - - if (set_codec_parameter(p->chip, 0x81, s_type)) { - snd_printd("%s: Set sample type command failed\n", __func__); - goto __fail; - } - if (set_codec_parameter(p->chip, 0x80, 0x00)) { - snd_printd("%s: Codec start command failed\n", __func__); - goto __fail; - } - p->run_width = sample_width; - p->run_channels = channels; - - p->running |= SNDRV_SB_CSP_ST_RUNNING; - - if (p->mode & SNDRV_SB_CSP_MODE_QSOUND) { - set_codec_parameter(p->chip, 0xe0, 0x01); - /* enable QSound decoder */ - set_codec_parameter(p->chip, 0x00, 0xff); - set_codec_parameter(p->chip, 0x01, 0xff); - p->running |= SNDRV_SB_CSP_ST_QSOUND; - /* set QSound startup value */ - snd_sb_csp_qsound_transfer(p); - } - result = 0; - - __fail: - spin_unlock(&p->chip->reg_lock); - - /* restore PCM volume */ - snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL); - snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR); - spin_unlock_irqrestore(&p->chip->mixer_lock, flags); - - return result; -} - -/* - * stop CSP - */ -static int snd_sb_csp_stop(struct snd_sb_csp * p) -{ - int result; - unsigned char mixL, mixR; - unsigned long flags; - - if (!(p->running & SNDRV_SB_CSP_ST_RUNNING)) - return 0; - - /* Mute PCM volume */ - spin_lock_irqsave(&p->chip->mixer_lock, flags); - mixL = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV); - mixR = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV + 1); - snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL & 0x7); - snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR & 0x7); - - spin_lock(&p->chip->reg_lock); - if (p->running & SNDRV_SB_CSP_ST_QSOUND) { - set_codec_parameter(p->chip, 0xe0, 0x01); - /* disable QSound decoder */ - set_codec_parameter(p->chip, 0x00, 0x00); - set_codec_parameter(p->chip, 0x01, 0x00); - - p->running &= ~SNDRV_SB_CSP_ST_QSOUND; - } - result = set_mode_register(p->chip, 0xc0); /* c0 = STOP */ - spin_unlock(&p->chip->reg_lock); - - /* restore PCM volume */ - snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL); - snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR); - spin_unlock_irqrestore(&p->chip->mixer_lock, flags); - - if (!(result)) - p->running &= ~(SNDRV_SB_CSP_ST_PAUSED | SNDRV_SB_CSP_ST_RUNNING); - return result; -} - -/* - * pause CSP codec and hold DMA transfer - */ -static int snd_sb_csp_pause(struct snd_sb_csp * p) -{ - int result; - unsigned long flags; - - if (!(p->running & SNDRV_SB_CSP_ST_RUNNING)) - return -EBUSY; - - spin_lock_irqsave(&p->chip->reg_lock, flags); - result = set_codec_parameter(p->chip, 0x80, 0xff); - spin_unlock_irqrestore(&p->chip->reg_lock, flags); - if (!(result)) - p->running |= SNDRV_SB_CSP_ST_PAUSED; - - return result; -} - -/* - * restart CSP codec and resume DMA transfer - */ -static int snd_sb_csp_restart(struct snd_sb_csp * p) -{ - int result; - unsigned long flags; - - if (!(p->running & SNDRV_SB_CSP_ST_PAUSED)) - return -EBUSY; - - spin_lock_irqsave(&p->chip->reg_lock, flags); - result = set_codec_parameter(p->chip, 0x80, 0x00); - spin_unlock_irqrestore(&p->chip->reg_lock, flags); - if (!(result)) - p->running &= ~SNDRV_SB_CSP_ST_PAUSED; - - return result; -} - -/* ------------------------------ */ - -/* - * QSound mixer control for PCM - */ - -#define snd_sb_qsound_switch_info snd_ctl_boolean_mono_info - -static int snd_sb_qsound_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol); - - ucontrol->value.integer.value[0] = p->q_enabled ? 1 : 0; - return 0; -} - -static int snd_sb_qsound_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol); - unsigned long flags; - int change; - unsigned char nval; - - nval = ucontrol->value.integer.value[0] & 0x01; - spin_lock_irqsave(&p->q_lock, flags); - change = p->q_enabled != nval; - p->q_enabled = nval; - spin_unlock_irqrestore(&p->q_lock, flags); - return change; -} - -static int snd_sb_qsound_space_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = 2; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = SNDRV_SB_CSP_QSOUND_MAX_RIGHT; - return 0; -} - -static int snd_sb_qsound_space_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol); - unsigned long flags; - - spin_lock_irqsave(&p->q_lock, flags); - ucontrol->value.integer.value[0] = p->qpos_left; - ucontrol->value.integer.value[1] = p->qpos_right; - spin_unlock_irqrestore(&p->q_lock, flags); - return 0; -} - -static int snd_sb_qsound_space_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol); - unsigned long flags; - int change; - unsigned char nval1, nval2; - - nval1 = ucontrol->value.integer.value[0]; - if (nval1 > SNDRV_SB_CSP_QSOUND_MAX_RIGHT) - nval1 = SNDRV_SB_CSP_QSOUND_MAX_RIGHT; - nval2 = ucontrol->value.integer.value[1]; - if (nval2 > SNDRV_SB_CSP_QSOUND_MAX_RIGHT) - nval2 = SNDRV_SB_CSP_QSOUND_MAX_RIGHT; - spin_lock_irqsave(&p->q_lock, flags); - change = p->qpos_left != nval1 || p->qpos_right != nval2; - p->qpos_left = nval1; - p->qpos_right = nval2; - p->qpos_changed = change; - spin_unlock_irqrestore(&p->q_lock, flags); - return change; -} - -static struct snd_kcontrol_new snd_sb_qsound_switch = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "3D Control - Switch", - .info = snd_sb_qsound_switch_info, - .get = snd_sb_qsound_switch_get, - .put = snd_sb_qsound_switch_put -}; - -static struct snd_kcontrol_new snd_sb_qsound_space = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "3D Control - Space", - .info = snd_sb_qsound_space_info, - .get = snd_sb_qsound_space_get, - .put = snd_sb_qsound_space_put -}; - -static int snd_sb_qsound_build(struct snd_sb_csp * p) -{ - struct snd_card *card; - int err; - - if (snd_BUG_ON(!p)) - return -EINVAL; - - card = p->chip->card; - p->qpos_left = p->qpos_right = SNDRV_SB_CSP_QSOUND_MAX_RIGHT / 2; - p->qpos_changed = 0; - - spin_lock_init(&p->q_lock); - - if ((err = snd_ctl_add(card, p->qsound_switch = snd_ctl_new1(&snd_sb_qsound_switch, p))) < 0) - goto __error; - if ((err = snd_ctl_add(card, p->qsound_space = snd_ctl_new1(&snd_sb_qsound_space, p))) < 0) - goto __error; - - return 0; - - __error: - snd_sb_qsound_destroy(p); - return err; -} - -static void snd_sb_qsound_destroy(struct snd_sb_csp * p) -{ - struct snd_card *card; - unsigned long flags; - - if (snd_BUG_ON(!p)) - return; - - card = p->chip->card; - - down_write(&card->controls_rwsem); - if (p->qsound_switch) - snd_ctl_remove(card, p->qsound_switch); - if (p->qsound_space) - snd_ctl_remove(card, p->qsound_space); - up_write(&card->controls_rwsem); - - /* cancel pending transfer of QSound parameters */ - spin_lock_irqsave (&p->q_lock, flags); - p->qpos_changed = 0; - spin_unlock_irqrestore (&p->q_lock, flags); -} - -/* - * Transfer qsound parameters to CSP, - * function should be called from interrupt routine - */ -static int snd_sb_csp_qsound_transfer(struct snd_sb_csp * p) -{ - int err = -ENXIO; - - spin_lock(&p->q_lock); - if (p->running & SNDRV_SB_CSP_ST_QSOUND) { - set_codec_parameter(p->chip, 0xe0, 0x01); - /* left channel */ - set_codec_parameter(p->chip, 0x00, p->qpos_left); - set_codec_parameter(p->chip, 0x02, 0x00); - /* right channel */ - set_codec_parameter(p->chip, 0x00, p->qpos_right); - set_codec_parameter(p->chip, 0x03, 0x00); - err = 0; - } - p->qpos_changed = 0; - spin_unlock(&p->q_lock); - return err; -} - -/* ------------------------------ */ - -/* - * proc interface - */ -static int init_proc_entry(struct snd_sb_csp * p, int device) -{ - char name[16]; - struct snd_info_entry *entry; - sprintf(name, "cspD%d", device); - if (! snd_card_proc_new(p->chip->card, name, &entry)) - snd_info_set_text_ops(entry, p, info_read); - return 0; -} - -static void info_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) -{ - struct snd_sb_csp *p = entry->private_data; - - snd_iprintf(buffer, "Creative Signal Processor [v%d.%d]\n", (p->version >> 4), (p->version & 0x0f)); - snd_iprintf(buffer, "State: %cx%c%c%c\n", ((p->running & SNDRV_SB_CSP_ST_QSOUND) ? 'Q' : '-'), - ((p->running & SNDRV_SB_CSP_ST_PAUSED) ? 'P' : '-'), - ((p->running & SNDRV_SB_CSP_ST_RUNNING) ? 'R' : '-'), - ((p->running & SNDRV_SB_CSP_ST_LOADED) ? 'L' : '-')); - if (p->running & SNDRV_SB_CSP_ST_LOADED) { - snd_iprintf(buffer, "Codec: %s [func #%d]\n", p->codec_name, p->func_nr); - snd_iprintf(buffer, "Sample rates: "); - if (p->acc_rates == SNDRV_SB_CSP_RATE_ALL) { - snd_iprintf(buffer, "All\n"); - } else { - snd_iprintf(buffer, "%s%s%s%s\n", - ((p->acc_rates & SNDRV_SB_CSP_RATE_8000) ? "8000Hz " : ""), - ((p->acc_rates & SNDRV_SB_CSP_RATE_11025) ? "11025Hz " : ""), - ((p->acc_rates & SNDRV_SB_CSP_RATE_22050) ? "22050Hz " : ""), - ((p->acc_rates & SNDRV_SB_CSP_RATE_44100) ? "44100Hz" : "")); - } - if (p->mode == SNDRV_SB_CSP_MODE_QSOUND) { - snd_iprintf(buffer, "QSound decoder %sabled\n", - p->q_enabled ? "en" : "dis"); - } else { - snd_iprintf(buffer, "PCM format ID: 0x%x (%s/%s) [%s/%s] [%s/%s]\n", - p->acc_format, - ((p->acc_width & SNDRV_SB_CSP_SAMPLE_16BIT) ? "16bit" : "-"), - ((p->acc_width & SNDRV_SB_CSP_SAMPLE_8BIT) ? "8bit" : "-"), - ((p->acc_channels & SNDRV_SB_CSP_MONO) ? "mono" : "-"), - ((p->acc_channels & SNDRV_SB_CSP_STEREO) ? "stereo" : "-"), - ((p->mode & SNDRV_SB_CSP_MODE_DSP_WRITE) ? "playback" : "-"), - ((p->mode & SNDRV_SB_CSP_MODE_DSP_READ) ? "capture" : "-")); - } - } - if (p->running & SNDRV_SB_CSP_ST_AUTO) { - snd_iprintf(buffer, "Autoloaded Mu-Law, A-Law or Ima-ADPCM hardware codec\n"); - } - if (p->running & SNDRV_SB_CSP_ST_RUNNING) { - snd_iprintf(buffer, "Processing %dbit %s PCM samples\n", - ((p->run_width & SNDRV_SB_CSP_SAMPLE_16BIT) ? 16 : 8), - ((p->run_channels & SNDRV_SB_CSP_MONO) ? "mono" : "stereo")); - } - if (p->running & SNDRV_SB_CSP_ST_QSOUND) { - snd_iprintf(buffer, "Qsound position: left = 0x%x, right = 0x%x\n", - p->qpos_left, p->qpos_right); - } -} - -/* */ - -EXPORT_SYMBOL(snd_sb_csp_new); - -/* - * INIT part - */ - -static int __init alsa_sb_csp_init(void) -{ - return 0; -} - -static void __exit alsa_sb_csp_exit(void) -{ -} - -module_init(alsa_sb_csp_init) -module_exit(alsa_sb_csp_exit) |