| /* |
| * Driver for Digigram VX soundcards |
| * |
| * Hardware core part |
| * |
| * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> |
| * |
| * 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/slab.h> |
| #include <linux/interrupt.h> |
| #include <linux/init.h> |
| #include <linux/device.h> |
| #include <linux/firmware.h> |
| #include <linux/module.h> |
| #include <linux/io.h> |
| #include <sound/core.h> |
| #include <sound/pcm.h> |
| #include <sound/asoundef.h> |
| #include <sound/info.h> |
| #include <sound/vx_core.h> |
| #include "vx_cmd.h" |
| |
| MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); |
| MODULE_DESCRIPTION("Common routines for Digigram VX drivers"); |
| MODULE_LICENSE("GPL"); |
| |
| |
| /* |
| * vx_check_reg_bit - wait for the specified bit is set/reset on a register |
| * @reg: register to check |
| * @mask: bit mask |
| * @bit: resultant bit to be checked |
| * @time: time-out of loop in msec |
| * |
| * returns zero if a bit matches, or a negative error code. |
| */ |
| int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int time) |
| { |
| unsigned long end_time = jiffies + (time * HZ + 999) / 1000; |
| static char *reg_names[VX_REG_MAX] = { |
| "ICR", "CVR", "ISR", "IVR", "RXH", "RXM", "RXL", |
| "DMA", "CDSP", "RFREQ", "RUER/V2", "DATA", "MEMIRQ", |
| "ACQ", "BIT0", "BIT1", "MIC0", "MIC1", "MIC2", |
| "MIC3", "INTCSR", "CNTRL", "GPIOC", |
| "LOFREQ", "HIFREQ", "CSUER", "RUER" |
| }; |
| |
| do { |
| if ((snd_vx_inb(chip, reg) & mask) == bit) |
| return 0; |
| //msleep(10); |
| } while (time_after_eq(end_time, jiffies)); |
| snd_printd(KERN_DEBUG "vx_check_reg_bit: timeout, reg=%s, mask=0x%x, val=0x%x\n", reg_names[reg], mask, snd_vx_inb(chip, reg)); |
| return -EIO; |
| } |
| |
| EXPORT_SYMBOL(snd_vx_check_reg_bit); |
| |
| /* |
| * vx_send_irq_dsp - set command irq bit |
| * @num: the requested IRQ type, IRQ_XXX |
| * |
| * this triggers the specified IRQ request |
| * returns 0 if successful, or a negative error code. |
| * |
| */ |
| static int vx_send_irq_dsp(struct vx_core *chip, int num) |
| { |
| int nirq; |
| |
| /* wait for Hc = 0 */ |
| if (snd_vx_check_reg_bit(chip, VX_CVR, CVR_HC, 0, 200) < 0) |
| return -EIO; |
| |
| nirq = num; |
| if (vx_has_new_dsp(chip)) |
| nirq += VXP_IRQ_OFFSET; |
| vx_outb(chip, CVR, (nirq >> 1) | CVR_HC); |
| return 0; |
| } |
| |
| |
| /* |
| * vx_reset_chk - reset CHK bit on ISR |
| * |
| * returns 0 if successful, or a negative error code. |
| */ |
| static int vx_reset_chk(struct vx_core *chip) |
| { |
| /* Reset irq CHK */ |
| if (vx_send_irq_dsp(chip, IRQ_RESET_CHK) < 0) |
| return -EIO; |
| /* Wait until CHK = 0 */ |
| if (vx_check_isr(chip, ISR_CHK, 0, 200) < 0) |
| return -EIO; |
| return 0; |
| } |
| |
| /* |
| * vx_transfer_end - terminate message transfer |
| * @cmd: IRQ message to send (IRQ_MESS_XXX_END) |
| * |
| * returns 0 if successful, or a negative error code. |
| * the error code can be VX-specific, retrieved via vx_get_error(). |
| * NB: call with mutex held! |
| */ |
| static int vx_transfer_end(struct vx_core *chip, int cmd) |
| { |
| int err; |
| |
| if ((err = vx_reset_chk(chip)) < 0) |
| return err; |
| |
| /* irq MESS_READ/WRITE_END */ |
| if ((err = vx_send_irq_dsp(chip, cmd)) < 0) |
| return err; |
| |
| /* Wait CHK = 1 */ |
| if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0) |
| return err; |
| |
| /* If error, Read RX */ |
| if ((err = vx_inb(chip, ISR)) & ISR_ERR) { |
| if ((err = vx_wait_for_rx_full(chip)) < 0) { |
| snd_printd(KERN_DEBUG "transfer_end: error in rx_full\n"); |
| return err; |
| } |
| err = vx_inb(chip, RXH) << 16; |
| err |= vx_inb(chip, RXM) << 8; |
| err |= vx_inb(chip, RXL); |
| snd_printd(KERN_DEBUG "transfer_end: error = 0x%x\n", err); |
| return -(VX_ERR_MASK | err); |
| } |
| return 0; |
| } |
| |
| /* |
| * vx_read_status - return the status rmh |
| * @rmh: rmh record to store the status |
| * |
| * returns 0 if successful, or a negative error code. |
| * the error code can be VX-specific, retrieved via vx_get_error(). |
| * NB: call with mutex held! |
| */ |
| static int vx_read_status(struct vx_core *chip, struct vx_rmh *rmh) |
| { |
| int i, err, val, size; |
| |
| /* no read necessary? */ |
| if (rmh->DspStat == RMH_SSIZE_FIXED && rmh->LgStat == 0) |
| return 0; |
| |
| /* Wait for RX full (with timeout protection) |
| * The first word of status is in RX |
| */ |
| err = vx_wait_for_rx_full(chip); |
| if (err < 0) |
| return err; |
| |
| /* Read RX */ |
| val = vx_inb(chip, RXH) << 16; |
| val |= vx_inb(chip, RXM) << 8; |
| val |= vx_inb(chip, RXL); |
| |
| /* If status given by DSP, let's decode its size */ |
| switch (rmh->DspStat) { |
| case RMH_SSIZE_ARG: |
| size = val & 0xff; |
| rmh->Stat[0] = val & 0xffff00; |
| rmh->LgStat = size + 1; |
| break; |
| case RMH_SSIZE_MASK: |
| /* Let's count the arg numbers from a mask */ |
| rmh->Stat[0] = val; |
| size = 0; |
| while (val) { |
| if (val & 0x01) |
| size++; |
| val >>= 1; |
| } |
| rmh->LgStat = size + 1; |
| break; |
| default: |
| /* else retrieve the status length given by the driver */ |
| size = rmh->LgStat; |
| rmh->Stat[0] = val; /* Val is the status 1st word */ |
| size--; /* hence adjust remaining length */ |
| break; |
| } |
| |
| if (size < 1) |
| return 0; |
| if (snd_BUG_ON(size >= SIZE_MAX_STATUS)) |
| return -EINVAL; |
| |
| for (i = 1; i <= size; i++) { |
| /* trigger an irq MESS_WRITE_NEXT */ |
| err = vx_send_irq_dsp(chip, IRQ_MESS_WRITE_NEXT); |
| if (err < 0) |
| return err; |
| /* Wait for RX full (with timeout protection) */ |
| err = vx_wait_for_rx_full(chip); |
| if (err < 0) |
| return err; |
| rmh->Stat[i] = vx_inb(chip, RXH) << 16; |
| rmh->Stat[i] |= vx_inb(chip, RXM) << 8; |
| rmh->Stat[i] |= vx_inb(chip, RXL); |
| } |
| |
| return vx_transfer_end(chip, IRQ_MESS_WRITE_END); |
| } |
| |
| |
| #define MASK_MORE_THAN_1_WORD_COMMAND 0x00008000 |
| #define MASK_1_WORD_COMMAND 0x00ff7fff |
| |
| /* |
| * vx_send_msg_nolock - send a DSP message and read back the status |
| * @rmh: the rmh record to send and receive |
| * |
| * returns 0 if successful, or a negative error code. |
| * the error code can be VX-specific, retrieved via vx_get_error(). |
| * |
| * this function doesn't call mutex lock at all. |
| */ |
| int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh) |
| { |
| int i, err; |
| |
| if (chip->chip_status & VX_STAT_IS_STALE) |
| return -EBUSY; |
| |
| if ((err = vx_reset_chk(chip)) < 0) { |
| snd_printd(KERN_DEBUG "vx_send_msg: vx_reset_chk error\n"); |
| return err; |
| } |
| |
| #if 0 |
| printk(KERN_DEBUG "rmh: cmd = 0x%06x, length = %d, stype = %d\n", |
| rmh->Cmd[0], rmh->LgCmd, rmh->DspStat); |
| if (rmh->LgCmd > 1) { |
| printk(KERN_DEBUG " "); |
| for (i = 1; i < rmh->LgCmd; i++) |
| printk(KERN_CONT "0x%06x ", rmh->Cmd[i]); |
| printk(KERN_CONT "\n"); |
| } |
| #endif |
| /* Check bit M is set according to length of the command */ |
| if (rmh->LgCmd > 1) |
| rmh->Cmd[0] |= MASK_MORE_THAN_1_WORD_COMMAND; |
| else |
| rmh->Cmd[0] &= MASK_1_WORD_COMMAND; |
| |
| /* Wait for TX empty */ |
| if ((err = vx_wait_isr_bit(chip, ISR_TX_EMPTY)) < 0) { |
| snd_printd(KERN_DEBUG "vx_send_msg: wait tx empty error\n"); |
| return err; |
| } |
| |
| /* Write Cmd[0] */ |
| vx_outb(chip, TXH, (rmh->Cmd[0] >> 16) & 0xff); |
| vx_outb(chip, TXM, (rmh->Cmd[0] >> 8) & 0xff); |
| vx_outb(chip, TXL, rmh->Cmd[0] & 0xff); |
| |
| /* Trigger irq MESSAGE */ |
| if ((err = vx_send_irq_dsp(chip, IRQ_MESSAGE)) < 0) { |
| snd_printd(KERN_DEBUG "vx_send_msg: send IRQ_MESSAGE error\n"); |
| return err; |
| } |
| |
| /* Wait for CHK = 1 */ |
| if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0) |
| return err; |
| |
| /* If error, get error value from RX */ |
| if (vx_inb(chip, ISR) & ISR_ERR) { |
| if ((err = vx_wait_for_rx_full(chip)) < 0) { |
| snd_printd(KERN_DEBUG "vx_send_msg: rx_full read error\n"); |
| return err; |
| } |
| err = vx_inb(chip, RXH) << 16; |
| err |= vx_inb(chip, RXM) << 8; |
| err |= vx_inb(chip, RXL); |
| snd_printd(KERN_DEBUG "msg got error = 0x%x at cmd[0]\n", err); |
| err = -(VX_ERR_MASK | err); |
| return err; |
| } |
| |
| /* Send the other words */ |
| if (rmh->LgCmd > 1) { |
| for (i = 1; i < rmh->LgCmd; i++) { |
| /* Wait for TX ready */ |
| if ((err = vx_wait_isr_bit(chip, ISR_TX_READY)) < 0) { |
| snd_printd(KERN_DEBUG "vx_send_msg: tx_ready error\n"); |
| return err; |
| } |
| |
| /* Write Cmd[i] */ |
| vx_outb(chip, TXH, (rmh->Cmd[i] >> 16) & 0xff); |
| vx_outb(chip, TXM, (rmh->Cmd[i] >> 8) & 0xff); |
| vx_outb(chip, TXL, rmh->Cmd[i] & 0xff); |
| |
| /* Trigger irq MESS_READ_NEXT */ |
| if ((err = vx_send_irq_dsp(chip, IRQ_MESS_READ_NEXT)) < 0) { |
| snd_printd(KERN_DEBUG "vx_send_msg: IRQ_READ_NEXT error\n"); |
| return err; |
| } |
| } |
| /* Wait for TX empty */ |
| if ((err = vx_wait_isr_bit(chip, ISR_TX_READY)) < 0) { |
| snd_printd(KERN_DEBUG "vx_send_msg: TX_READY error\n"); |
| return err; |
| } |
| /* End of transfer */ |
| err = vx_transfer_end(chip, IRQ_MESS_READ_END); |
| if (err < 0) |
| return err; |
| } |
| |
| return vx_read_status(chip, rmh); |
| } |
| |
| |
| /* |
| * vx_send_msg - send a DSP message with mutex |
| * @rmh: the rmh record to send and receive |
| * |
| * returns 0 if successful, or a negative error code. |
| * see vx_send_msg_nolock(). |
| */ |
| int vx_send_msg(struct vx_core *chip, struct vx_rmh *rmh) |
| { |
| int err; |
| |
| mutex_lock(&chip->lock); |
| err = vx_send_msg_nolock(chip, rmh); |
| mutex_unlock(&chip->lock); |
| return err; |
| } |
| |
| |
| /* |
| * vx_send_rih_nolock - send an RIH to xilinx |
| * @cmd: the command to send |
| * |
| * returns 0 if successful, or a negative error code. |
| * the error code can be VX-specific, retrieved via vx_get_error(). |
| * |
| * this function doesn't call mutex at all. |
| * |
| * unlike RMH, no command is sent to DSP. |
| */ |
| int vx_send_rih_nolock(struct vx_core *chip, int cmd) |
| { |
| int err; |
| |
| if (chip->chip_status & VX_STAT_IS_STALE) |
| return -EBUSY; |
| |
| #if 0 |
| printk(KERN_DEBUG "send_rih: cmd = 0x%x\n", cmd); |
| #endif |
| if ((err = vx_reset_chk(chip)) < 0) |
| return err; |
| /* send the IRQ */ |
| if ((err = vx_send_irq_dsp(chip, cmd)) < 0) |
| return err; |
| /* Wait CHK = 1 */ |
| if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0) |
| return err; |
| /* If error, read RX */ |
| if (vx_inb(chip, ISR) & ISR_ERR) { |
| if ((err = vx_wait_for_rx_full(chip)) < 0) |
| return err; |
| err = vx_inb(chip, RXH) << 16; |
| err |= vx_inb(chip, RXM) << 8; |
| err |= vx_inb(chip, RXL); |
| return -(VX_ERR_MASK | err); |
| } |
| return 0; |
| } |
| |
| |
| /* |
| * vx_send_rih - send an RIH with mutex |
| * @cmd: the command to send |
| * |
| * see vx_send_rih_nolock(). |
| */ |
| int vx_send_rih(struct vx_core *chip, int cmd) |
| { |
| int err; |
| |
| mutex_lock(&chip->lock); |
| err = vx_send_rih_nolock(chip, cmd); |
| mutex_unlock(&chip->lock); |
| return err; |
| } |
| |
| #define END_OF_RESET_WAIT_TIME 500 /* us */ |
| |
| /** |
| * snd_vx_boot_xilinx - boot up the xilinx interface |
| * @chip: VX core instance |
| * @boot: the boot record to load |
| */ |
| int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *boot) |
| { |
| unsigned int i; |
| int no_fillup = vx_has_new_dsp(chip); |
| |
| /* check the length of boot image */ |
| if (boot->size <= 0) |
| return -EINVAL; |
| if (boot->size % 3) |
| return -EINVAL; |
| #if 0 |
| { |
| /* more strict check */ |
| unsigned int c = ((u32)boot->data[0] << 16) | ((u32)boot->data[1] << 8) | boot->data[2]; |
| if (boot->size != (c + 2) * 3) |
| return -EINVAL; |
| } |
| #endif |
| |
| /* reset dsp */ |
| vx_reset_dsp(chip); |
| |
| udelay(END_OF_RESET_WAIT_TIME); /* another wait? */ |
| |
| /* download boot strap */ |
| for (i = 0; i < 0x600; i += 3) { |
| if (i >= boot->size) { |
| if (no_fillup) |
| break; |
| if (vx_wait_isr_bit(chip, ISR_TX_EMPTY) < 0) { |
| snd_printk(KERN_ERR "dsp boot failed at %d\n", i); |
| return -EIO; |
| } |
| vx_outb(chip, TXH, 0); |
| vx_outb(chip, TXM, 0); |
| vx_outb(chip, TXL, 0); |
| } else { |
| const unsigned char *image = boot->data + i; |
| if (vx_wait_isr_bit(chip, ISR_TX_EMPTY) < 0) { |
| snd_printk(KERN_ERR "dsp boot failed at %d\n", i); |
| return -EIO; |
| } |
| vx_outb(chip, TXH, image[0]); |
| vx_outb(chip, TXM, image[1]); |
| vx_outb(chip, TXL, image[2]); |
| } |
| } |
| return 0; |
| } |
| |
| EXPORT_SYMBOL(snd_vx_load_boot_image); |
| |
| /* |
| * vx_test_irq_src - query the source of interrupts |
| * |
| * called from irq handler only |
| */ |
| static int vx_test_irq_src(struct vx_core *chip, unsigned int *ret) |
| { |
| int err; |
| |
| vx_init_rmh(&chip->irq_rmh, CMD_TEST_IT); |
| mutex_lock(&chip->lock); |
| err = vx_send_msg_nolock(chip, &chip->irq_rmh); |
| if (err < 0) |
| *ret = 0; |
| else |
| *ret = chip->irq_rmh.Stat[0]; |
| mutex_unlock(&chip->lock); |
| return err; |
| } |
| |
| |
| /* |
| * snd_vx_threaded_irq_handler - threaded irq handler |
| */ |
| irqreturn_t snd_vx_threaded_irq_handler(int irq, void *dev) |
| { |
| struct vx_core *chip = dev; |
| unsigned int events; |
| |
| if (chip->chip_status & VX_STAT_IS_STALE) |
| return IRQ_HANDLED; |
| |
| if (vx_test_irq_src(chip, &events) < 0) |
| return IRQ_HANDLED; |
| |
| #if 0 |
| if (events & 0x000800) |
| printk(KERN_ERR "DSP Stream underrun ! IRQ events = 0x%x\n", events); |
| #endif |
| // printk(KERN_DEBUG "IRQ events = 0x%x\n", events); |
| |
| /* We must prevent any application using this DSP |
| * and block any further request until the application |
| * either unregisters or reloads the DSP |
| */ |
| if (events & FATAL_DSP_ERROR) { |
| snd_printk(KERN_ERR "vx_core: fatal DSP error!!\n"); |
| return IRQ_HANDLED; |
| } |
| |
| /* The start on time code conditions are filled (ie the time code |
| * received by the board is equal to one of those given to it). |
| */ |
| if (events & TIME_CODE_EVENT_PENDING) |
| ; /* so far, nothing to do yet */ |
| |
| /* The frequency has changed on the board (UER mode). */ |
| if (events & FREQUENCY_CHANGE_EVENT_PENDING) |
| vx_change_frequency(chip); |
| |
| /* update the pcm streams */ |
| vx_pcm_update_intr(chip, events); |
| return IRQ_HANDLED; |
| } |
| EXPORT_SYMBOL(snd_vx_threaded_irq_handler); |
| |
| /** |
| * snd_vx_irq_handler - interrupt handler |
| * @irq: irq number |
| * @dev: VX core instance |
| */ |
| irqreturn_t snd_vx_irq_handler(int irq, void *dev) |
| { |
| struct vx_core *chip = dev; |
| |
| if (! (chip->chip_status & VX_STAT_CHIP_INIT) || |
| (chip->chip_status & VX_STAT_IS_STALE)) |
| return IRQ_NONE; |
| if (! vx_test_and_ack(chip)) |
| return IRQ_WAKE_THREAD; |
| return IRQ_NONE; |
| } |
| |
| EXPORT_SYMBOL(snd_vx_irq_handler); |
| |
| /* |
| */ |
| static void vx_reset_board(struct vx_core *chip, int cold_reset) |
| { |
| if (snd_BUG_ON(!chip->ops->reset_board)) |
| return; |
| |
| /* current source, later sync'ed with target */ |
| chip->audio_source = VX_AUDIO_SRC_LINE; |
| if (cold_reset) { |
| chip->audio_source_target = chip->audio_source; |
| chip->clock_source = INTERNAL_QUARTZ; |
| chip->clock_mode = VX_CLOCK_MODE_AUTO; |
| chip->freq = 48000; |
| chip->uer_detected = VX_UER_MODE_NOT_PRESENT; |
| chip->uer_bits = SNDRV_PCM_DEFAULT_CON_SPDIF; |
| } |
| |
| chip->ops->reset_board(chip, cold_reset); |
| |
| vx_reset_codec(chip, cold_reset); |
| |
| vx_set_internal_clock(chip, chip->freq); |
| |
| /* Reset the DSP */ |
| vx_reset_dsp(chip); |
| |
| if (vx_is_pcmcia(chip)) { |
| /* Acknowledge any pending IRQ and reset the MEMIRQ flag. */ |
| vx_test_and_ack(chip); |
| vx_validate_irq(chip, 1); |
| } |
| |
| /* init CBits */ |
| vx_set_iec958_status(chip, chip->uer_bits); |
| } |
| |
| |
| /* |
| * proc interface |
| */ |
| |
| static void vx_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) |
| { |
| struct vx_core *chip = entry->private_data; |
| static char *audio_src_vxp[] = { "Line", "Mic", "Digital" }; |
| static char *audio_src_vx2[] = { "Analog", "Analog", "Digital" }; |
| static char *clock_mode[] = { "Auto", "Internal", "External" }; |
| static char *clock_src[] = { "Internal", "External" }; |
| static char *uer_type[] = { "Consumer", "Professional", "Not Present" }; |
| |
| snd_iprintf(buffer, "%s\n", chip->card->longname); |
| snd_iprintf(buffer, "Xilinx Firmware: %s\n", |
| chip->chip_status & VX_STAT_XILINX_LOADED ? "Loaded" : "No"); |
| snd_iprintf(buffer, "Device Initialized: %s\n", |
| chip->chip_status & VX_STAT_DEVICE_INIT ? "Yes" : "No"); |
| snd_iprintf(buffer, "DSP audio info:"); |
| if (chip->audio_info & VX_AUDIO_INFO_REAL_TIME) |
| snd_iprintf(buffer, " realtime"); |
| if (chip->audio_info & VX_AUDIO_INFO_OFFLINE) |
| snd_iprintf(buffer, " offline"); |
| if (chip->audio_info & VX_AUDIO_INFO_MPEG1) |
| snd_iprintf(buffer, " mpeg1"); |
| if (chip->audio_info & VX_AUDIO_INFO_MPEG2) |
| snd_iprintf(buffer, " mpeg2"); |
| if (chip->audio_info & VX_AUDIO_INFO_LINEAR_8) |
| snd_iprintf(buffer, " linear8"); |
| if (chip->audio_info & VX_AUDIO_INFO_LINEAR_16) |
| snd_iprintf(buffer, " linear16"); |
| if (chip->audio_info & VX_AUDIO_INFO_LINEAR_24) |
| snd_iprintf(buffer, " linear24"); |
| snd_iprintf(buffer, "\n"); |
| snd_iprintf(buffer, "Input Source: %s\n", vx_is_pcmcia(chip) ? |
| audio_src_vxp[chip->audio_source] : |
| audio_src_vx2[chip->audio_source]); |
| snd_iprintf(buffer, "Clock Mode: %s\n", clock_mode[chip->clock_mode]); |
| snd_iprintf(buffer, "Clock Source: %s\n", clock_src[chip->clock_source]); |
| snd_iprintf(buffer, "Frequency: %d\n", chip->freq); |
| snd_iprintf(buffer, "Detected Frequency: %d\n", chip->freq_detected); |
| snd_iprintf(buffer, "Detected UER type: %s\n", uer_type[chip->uer_detected]); |
| snd_iprintf(buffer, "Min/Max/Cur IBL: %d/%d/%d (granularity=%d)\n", |
| chip->ibl.min_size, chip->ibl.max_size, chip->ibl.size, |
| chip->ibl.granularity); |
| } |
| |
| static void vx_proc_init(struct vx_core *chip) |
| { |
| snd_card_ro_proc_new(chip->card, "vx-status", chip, vx_proc_read); |
| } |
| |
| |
| /** |
| * snd_vx_dsp_boot - load the DSP boot |
| * @chip: VX core instance |
| * @boot: firmware data |
| */ |
| int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *boot) |
| { |
| int err; |
| int cold_reset = !(chip->chip_status & VX_STAT_DEVICE_INIT); |
| |
| vx_reset_board(chip, cold_reset); |
| vx_validate_irq(chip, 0); |
| |
| if ((err = snd_vx_load_boot_image(chip, boot)) < 0) |
| return err; |
| msleep(10); |
| |
| return 0; |
| } |
| |
| EXPORT_SYMBOL(snd_vx_dsp_boot); |
| |
| /** |
| * snd_vx_dsp_load - load the DSP image |
| * @chip: VX core instance |
| * @dsp: firmware data |
| */ |
| int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp) |
| { |
| unsigned int i; |
| int err; |
| unsigned int csum = 0; |
| const unsigned char *image, *cptr; |
| |
| if (dsp->size % 3) |
| return -EINVAL; |
| |
| vx_toggle_dac_mute(chip, 1); |
| |
| /* Transfert data buffer from PC to DSP */ |
| for (i = 0; i < dsp->size; i += 3) { |
| image = dsp->data + i; |
| /* Wait DSP ready for a new read */ |
| if ((err = vx_wait_isr_bit(chip, ISR_TX_EMPTY)) < 0) { |
| printk(KERN_ERR |
| "dsp loading error at position %d\n", i); |
| return err; |
| } |
| cptr = image; |
| csum ^= *cptr; |
| csum = (csum >> 24) | (csum << 8); |
| vx_outb(chip, TXH, *cptr++); |
| csum ^= *cptr; |
| csum = (csum >> 24) | (csum << 8); |
| vx_outb(chip, TXM, *cptr++); |
| csum ^= *cptr; |
| csum = (csum >> 24) | (csum << 8); |
| vx_outb(chip, TXL, *cptr++); |
| } |
| snd_printdd(KERN_DEBUG "checksum = 0x%08x\n", csum); |
| |
| msleep(200); |
| |
| if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0) |
| return err; |
| |
| vx_toggle_dac_mute(chip, 0); |
| |
| vx_test_and_ack(chip); |
| vx_validate_irq(chip, 1); |
| |
| return 0; |
| } |
| |
| EXPORT_SYMBOL(snd_vx_dsp_load); |
| |
| #ifdef CONFIG_PM |
| /* |
| * suspend |
| */ |
| int snd_vx_suspend(struct vx_core *chip) |
| { |
| snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot); |
| chip->chip_status |= VX_STAT_IN_SUSPEND; |
| |
| return 0; |
| } |
| |
| EXPORT_SYMBOL(snd_vx_suspend); |
| |
| /* |
| * resume |
| */ |
| int snd_vx_resume(struct vx_core *chip) |
| { |
| int i, err; |
| |
| chip->chip_status &= ~VX_STAT_CHIP_INIT; |
| |
| for (i = 0; i < 4; i++) { |
| if (! chip->firmware[i]) |
| continue; |
| err = chip->ops->load_dsp(chip, i, chip->firmware[i]); |
| if (err < 0) { |
| snd_printk(KERN_ERR "vx: firmware resume error at DSP %d\n", i); |
| return -EIO; |
| } |
| } |
| |
| chip->chip_status |= VX_STAT_CHIP_INIT; |
| chip->chip_status &= ~VX_STAT_IN_SUSPEND; |
| |
| snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0); |
| return 0; |
| } |
| |
| EXPORT_SYMBOL(snd_vx_resume); |
| #endif |
| |
| /** |
| * snd_vx_create - constructor for struct vx_core |
| * @card: card instance |
| * @hw: hardware specific record |
| * @ops: VX ops pointer |
| * @extra_size: extra byte size to allocate appending to chip |
| * |
| * this function allocates the instance and prepare for the hardware |
| * initialization. |
| * |
| * return the instance pointer if successful, NULL in error. |
| */ |
| struct vx_core *snd_vx_create(struct snd_card *card, struct snd_vx_hardware *hw, |
| struct snd_vx_ops *ops, |
| int extra_size) |
| { |
| struct vx_core *chip; |
| |
| if (snd_BUG_ON(!card || !hw || !ops)) |
| return NULL; |
| |
| chip = kzalloc(sizeof(*chip) + extra_size, GFP_KERNEL); |
| if (! chip) |
| return NULL; |
| mutex_init(&chip->lock); |
| chip->irq = -1; |
| chip->hw = hw; |
| chip->type = hw->type; |
| chip->ops = ops; |
| mutex_init(&chip->mixer_mutex); |
| |
| chip->card = card; |
| card->private_data = chip; |
| strcpy(card->driver, hw->name); |
| sprintf(card->shortname, "Digigram %s", hw->name); |
| |
| vx_proc_init(chip); |
| |
| return chip; |
| } |
| |
| EXPORT_SYMBOL(snd_vx_create); |