11a59d1b8SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * Driver for Digigram VX soundcards 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Hardware core part 61da177e4SLinus Torvalds * 71da177e4SLinus Torvalds * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> 81da177e4SLinus Torvalds */ 91da177e4SLinus Torvalds 101da177e4SLinus Torvalds #include <linux/delay.h> 111da177e4SLinus Torvalds #include <linux/slab.h> 121da177e4SLinus Torvalds #include <linux/interrupt.h> 131da177e4SLinus Torvalds #include <linux/init.h> 141da177e4SLinus Torvalds #include <linux/device.h> 151da177e4SLinus Torvalds #include <linux/firmware.h> 16da155d5bSPaul Gortmaker #include <linux/module.h> 176cbbfe1cSTakashi Iwai #include <linux/io.h> 181da177e4SLinus Torvalds #include <sound/core.h> 191da177e4SLinus Torvalds #include <sound/pcm.h> 201da177e4SLinus Torvalds #include <sound/asoundef.h> 211da177e4SLinus Torvalds #include <sound/info.h> 221da177e4SLinus Torvalds #include <sound/vx_core.h> 231da177e4SLinus Torvalds #include "vx_cmd.h" 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); 261da177e4SLinus Torvalds MODULE_DESCRIPTION("Common routines for Digigram VX drivers"); 271da177e4SLinus Torvalds MODULE_LICENSE("GPL"); 281da177e4SLinus Torvalds 291da177e4SLinus Torvalds 301da177e4SLinus Torvalds /* 311da177e4SLinus Torvalds * vx_check_reg_bit - wait for the specified bit is set/reset on a register 321da177e4SLinus Torvalds * @reg: register to check 331da177e4SLinus Torvalds * @mask: bit mask 341da177e4SLinus Torvalds * @bit: resultant bit to be checked 351da177e4SLinus Torvalds * @time: time-out of loop in msec 361da177e4SLinus Torvalds * 371da177e4SLinus Torvalds * returns zero if a bit matches, or a negative error code. 381da177e4SLinus Torvalds */ 39af26367fSTakashi Iwai int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int time) 401da177e4SLinus Torvalds { 411da177e4SLinus Torvalds unsigned long end_time = jiffies + (time * HZ + 999) / 1000; 42c0948245STakashi Iwai static const char * const reg_names[VX_REG_MAX] = { 431da177e4SLinus Torvalds "ICR", "CVR", "ISR", "IVR", "RXH", "RXM", "RXL", 441da177e4SLinus Torvalds "DMA", "CDSP", "RFREQ", "RUER/V2", "DATA", "MEMIRQ", 451da177e4SLinus Torvalds "ACQ", "BIT0", "BIT1", "MIC0", "MIC1", "MIC2", 461da177e4SLinus Torvalds "MIC3", "INTCSR", "CNTRL", "GPIOC", 471da177e4SLinus Torvalds "LOFREQ", "HIFREQ", "CSUER", "RUER" 481da177e4SLinus Torvalds }; 4986b27237STakashi Iwai 501da177e4SLinus Torvalds do { 511da177e4SLinus Torvalds if ((snd_vx_inb(chip, reg) & mask) == bit) 521da177e4SLinus Torvalds return 0; 53bdbae7e6STakashi Iwai //msleep(10); 541da177e4SLinus Torvalds } while (time_after_eq(end_time, jiffies)); 55*41abc805STakashi Iwai dev_dbg(chip->card->dev, 56*41abc805STakashi Iwai "vx_check_reg_bit: timeout, reg=%s, mask=0x%x, val=0x%x\n", 57*41abc805STakashi Iwai reg_names[reg], mask, snd_vx_inb(chip, reg)); 581da177e4SLinus Torvalds return -EIO; 591da177e4SLinus Torvalds } 601da177e4SLinus Torvalds 61fa325eb3STakashi Iwai EXPORT_SYMBOL(snd_vx_check_reg_bit); 62fa325eb3STakashi Iwai 631da177e4SLinus Torvalds /* 641da177e4SLinus Torvalds * vx_send_irq_dsp - set command irq bit 651da177e4SLinus Torvalds * @num: the requested IRQ type, IRQ_XXX 661da177e4SLinus Torvalds * 671da177e4SLinus Torvalds * this triggers the specified IRQ request 681da177e4SLinus Torvalds * returns 0 if successful, or a negative error code. 691da177e4SLinus Torvalds * 701da177e4SLinus Torvalds */ 71af26367fSTakashi Iwai static int vx_send_irq_dsp(struct vx_core *chip, int num) 721da177e4SLinus Torvalds { 731da177e4SLinus Torvalds int nirq; 741da177e4SLinus Torvalds 751da177e4SLinus Torvalds /* wait for Hc = 0 */ 761da177e4SLinus Torvalds if (snd_vx_check_reg_bit(chip, VX_CVR, CVR_HC, 0, 200) < 0) 771da177e4SLinus Torvalds return -EIO; 781da177e4SLinus Torvalds 791da177e4SLinus Torvalds nirq = num; 801da177e4SLinus Torvalds if (vx_has_new_dsp(chip)) 811da177e4SLinus Torvalds nirq += VXP_IRQ_OFFSET; 821da177e4SLinus Torvalds vx_outb(chip, CVR, (nirq >> 1) | CVR_HC); 831da177e4SLinus Torvalds return 0; 841da177e4SLinus Torvalds } 851da177e4SLinus Torvalds 861da177e4SLinus Torvalds 871da177e4SLinus Torvalds /* 881da177e4SLinus Torvalds * vx_reset_chk - reset CHK bit on ISR 891da177e4SLinus Torvalds * 901da177e4SLinus Torvalds * returns 0 if successful, or a negative error code. 911da177e4SLinus Torvalds */ 92af26367fSTakashi Iwai static int vx_reset_chk(struct vx_core *chip) 931da177e4SLinus Torvalds { 941da177e4SLinus Torvalds /* Reset irq CHK */ 951da177e4SLinus Torvalds if (vx_send_irq_dsp(chip, IRQ_RESET_CHK) < 0) 961da177e4SLinus Torvalds return -EIO; 971da177e4SLinus Torvalds /* Wait until CHK = 0 */ 981da177e4SLinus Torvalds if (vx_check_isr(chip, ISR_CHK, 0, 200) < 0) 991da177e4SLinus Torvalds return -EIO; 1001da177e4SLinus Torvalds return 0; 1011da177e4SLinus Torvalds } 1021da177e4SLinus Torvalds 1031da177e4SLinus Torvalds /* 1041da177e4SLinus Torvalds * vx_transfer_end - terminate message transfer 1051da177e4SLinus Torvalds * @cmd: IRQ message to send (IRQ_MESS_XXX_END) 1061da177e4SLinus Torvalds * 1071da177e4SLinus Torvalds * returns 0 if successful, or a negative error code. 1081da177e4SLinus Torvalds * the error code can be VX-specific, retrieved via vx_get_error(). 109db0a5214STakashi Iwai * NB: call with mutex held! 1101da177e4SLinus Torvalds */ 111af26367fSTakashi Iwai static int vx_transfer_end(struct vx_core *chip, int cmd) 1121da177e4SLinus Torvalds { 1131da177e4SLinus Torvalds int err; 1141da177e4SLinus Torvalds 115ed1567c1STakashi Iwai err = vx_reset_chk(chip); 116ed1567c1STakashi Iwai if (err < 0) 1171da177e4SLinus Torvalds return err; 1181da177e4SLinus Torvalds 1191da177e4SLinus Torvalds /* irq MESS_READ/WRITE_END */ 120ed1567c1STakashi Iwai err = vx_send_irq_dsp(chip, cmd); 121ed1567c1STakashi Iwai if (err < 0) 1221da177e4SLinus Torvalds return err; 1231da177e4SLinus Torvalds 1241da177e4SLinus Torvalds /* Wait CHK = 1 */ 125ed1567c1STakashi Iwai err = vx_wait_isr_bit(chip, ISR_CHK); 126ed1567c1STakashi Iwai if (err < 0) 1271da177e4SLinus Torvalds return err; 1281da177e4SLinus Torvalds 1291da177e4SLinus Torvalds /* If error, Read RX */ 130ed1567c1STakashi Iwai err = vx_inb(chip, ISR); 131ed1567c1STakashi Iwai if (err & ISR_ERR) { 132ed1567c1STakashi Iwai err = vx_wait_for_rx_full(chip); 133ed1567c1STakashi Iwai if (err < 0) { 134*41abc805STakashi Iwai dev_dbg(chip->card->dev, 135*41abc805STakashi Iwai "transfer_end: error in rx_full\n"); 1361da177e4SLinus Torvalds return err; 1371da177e4SLinus Torvalds } 1381da177e4SLinus Torvalds err = vx_inb(chip, RXH) << 16; 1391da177e4SLinus Torvalds err |= vx_inb(chip, RXM) << 8; 1401da177e4SLinus Torvalds err |= vx_inb(chip, RXL); 141*41abc805STakashi Iwai dev_dbg(chip->card->dev, "transfer_end: error = 0x%x\n", err); 1421da177e4SLinus Torvalds return -(VX_ERR_MASK | err); 1431da177e4SLinus Torvalds } 1441da177e4SLinus Torvalds return 0; 1451da177e4SLinus Torvalds } 1461da177e4SLinus Torvalds 1471da177e4SLinus Torvalds /* 1481da177e4SLinus Torvalds * vx_read_status - return the status rmh 1491da177e4SLinus Torvalds * @rmh: rmh record to store the status 1501da177e4SLinus Torvalds * 1511da177e4SLinus Torvalds * returns 0 if successful, or a negative error code. 1521da177e4SLinus Torvalds * the error code can be VX-specific, retrieved via vx_get_error(). 153db0a5214STakashi Iwai * NB: call with mutex held! 1541da177e4SLinus Torvalds */ 155af26367fSTakashi Iwai static int vx_read_status(struct vx_core *chip, struct vx_rmh *rmh) 1561da177e4SLinus Torvalds { 1571da177e4SLinus Torvalds int i, err, val, size; 1581da177e4SLinus Torvalds 1591da177e4SLinus Torvalds /* no read necessary? */ 1601da177e4SLinus Torvalds if (rmh->DspStat == RMH_SSIZE_FIXED && rmh->LgStat == 0) 1611da177e4SLinus Torvalds return 0; 1621da177e4SLinus Torvalds 1631da177e4SLinus Torvalds /* Wait for RX full (with timeout protection) 1641da177e4SLinus Torvalds * The first word of status is in RX 1651da177e4SLinus Torvalds */ 1661da177e4SLinus Torvalds err = vx_wait_for_rx_full(chip); 1671da177e4SLinus Torvalds if (err < 0) 1681da177e4SLinus Torvalds return err; 1691da177e4SLinus Torvalds 1701da177e4SLinus Torvalds /* Read RX */ 1711da177e4SLinus Torvalds val = vx_inb(chip, RXH) << 16; 1721da177e4SLinus Torvalds val |= vx_inb(chip, RXM) << 8; 1731da177e4SLinus Torvalds val |= vx_inb(chip, RXL); 1741da177e4SLinus Torvalds 1751da177e4SLinus Torvalds /* If status given by DSP, let's decode its size */ 1761da177e4SLinus Torvalds switch (rmh->DspStat) { 1771da177e4SLinus Torvalds case RMH_SSIZE_ARG: 1781da177e4SLinus Torvalds size = val & 0xff; 1791da177e4SLinus Torvalds rmh->Stat[0] = val & 0xffff00; 1801da177e4SLinus Torvalds rmh->LgStat = size + 1; 1811da177e4SLinus Torvalds break; 1821da177e4SLinus Torvalds case RMH_SSIZE_MASK: 1831da177e4SLinus Torvalds /* Let's count the arg numbers from a mask */ 1841da177e4SLinus Torvalds rmh->Stat[0] = val; 1851da177e4SLinus Torvalds size = 0; 1861da177e4SLinus Torvalds while (val) { 1871da177e4SLinus Torvalds if (val & 0x01) 1881da177e4SLinus Torvalds size++; 1891da177e4SLinus Torvalds val >>= 1; 1901da177e4SLinus Torvalds } 1911da177e4SLinus Torvalds rmh->LgStat = size + 1; 1921da177e4SLinus Torvalds break; 1931da177e4SLinus Torvalds default: 1941da177e4SLinus Torvalds /* else retrieve the status length given by the driver */ 1951da177e4SLinus Torvalds size = rmh->LgStat; 1961da177e4SLinus Torvalds rmh->Stat[0] = val; /* Val is the status 1st word */ 1971da177e4SLinus Torvalds size--; /* hence adjust remaining length */ 1981da177e4SLinus Torvalds break; 1991da177e4SLinus Torvalds } 2001da177e4SLinus Torvalds 2011da177e4SLinus Torvalds if (size < 1) 2021da177e4SLinus Torvalds return 0; 203fefe228cSDan Carpenter if (snd_BUG_ON(size >= SIZE_MAX_STATUS)) 2045e246b85STakashi Iwai return -EINVAL; 2051da177e4SLinus Torvalds 2061da177e4SLinus Torvalds for (i = 1; i <= size; i++) { 2071da177e4SLinus Torvalds /* trigger an irq MESS_WRITE_NEXT */ 2081da177e4SLinus Torvalds err = vx_send_irq_dsp(chip, IRQ_MESS_WRITE_NEXT); 2091da177e4SLinus Torvalds if (err < 0) 2101da177e4SLinus Torvalds return err; 2111da177e4SLinus Torvalds /* Wait for RX full (with timeout protection) */ 2121da177e4SLinus Torvalds err = vx_wait_for_rx_full(chip); 2131da177e4SLinus Torvalds if (err < 0) 2141da177e4SLinus Torvalds return err; 2151da177e4SLinus Torvalds rmh->Stat[i] = vx_inb(chip, RXH) << 16; 2161da177e4SLinus Torvalds rmh->Stat[i] |= vx_inb(chip, RXM) << 8; 2171da177e4SLinus Torvalds rmh->Stat[i] |= vx_inb(chip, RXL); 2181da177e4SLinus Torvalds } 2191da177e4SLinus Torvalds 2201da177e4SLinus Torvalds return vx_transfer_end(chip, IRQ_MESS_WRITE_END); 2211da177e4SLinus Torvalds } 2221da177e4SLinus Torvalds 2231da177e4SLinus Torvalds 2241da177e4SLinus Torvalds #define MASK_MORE_THAN_1_WORD_COMMAND 0x00008000 2251da177e4SLinus Torvalds #define MASK_1_WORD_COMMAND 0x00ff7fff 2261da177e4SLinus Torvalds 2271da177e4SLinus Torvalds /* 2281da177e4SLinus Torvalds * vx_send_msg_nolock - send a DSP message and read back the status 2291da177e4SLinus Torvalds * @rmh: the rmh record to send and receive 2301da177e4SLinus Torvalds * 2311da177e4SLinus Torvalds * returns 0 if successful, or a negative error code. 2321da177e4SLinus Torvalds * the error code can be VX-specific, retrieved via vx_get_error(). 2331da177e4SLinus Torvalds * 234db0a5214STakashi Iwai * this function doesn't call mutex lock at all. 2351da177e4SLinus Torvalds */ 236af26367fSTakashi Iwai int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh) 2371da177e4SLinus Torvalds { 2381da177e4SLinus Torvalds int i, err; 2391da177e4SLinus Torvalds 2401da177e4SLinus Torvalds if (chip->chip_status & VX_STAT_IS_STALE) 2411da177e4SLinus Torvalds return -EBUSY; 2421da177e4SLinus Torvalds 243ed1567c1STakashi Iwai err = vx_reset_chk(chip); 244ed1567c1STakashi Iwai if (err < 0) { 245*41abc805STakashi Iwai dev_dbg(chip->card->dev, "vx_send_msg: vx_reset_chk error\n"); 2461da177e4SLinus Torvalds return err; 2471da177e4SLinus Torvalds } 2481da177e4SLinus Torvalds 2491da177e4SLinus Torvalds /* Check bit M is set according to length of the command */ 2501da177e4SLinus Torvalds if (rmh->LgCmd > 1) 2511da177e4SLinus Torvalds rmh->Cmd[0] |= MASK_MORE_THAN_1_WORD_COMMAND; 2521da177e4SLinus Torvalds else 2531da177e4SLinus Torvalds rmh->Cmd[0] &= MASK_1_WORD_COMMAND; 2541da177e4SLinus Torvalds 2551da177e4SLinus Torvalds /* Wait for TX empty */ 256ed1567c1STakashi Iwai err = vx_wait_isr_bit(chip, ISR_TX_EMPTY); 257ed1567c1STakashi Iwai if (err < 0) { 258*41abc805STakashi Iwai dev_dbg(chip->card->dev, "vx_send_msg: wait tx empty error\n"); 2591da177e4SLinus Torvalds return err; 2601da177e4SLinus Torvalds } 2611da177e4SLinus Torvalds 2621da177e4SLinus Torvalds /* Write Cmd[0] */ 2631da177e4SLinus Torvalds vx_outb(chip, TXH, (rmh->Cmd[0] >> 16) & 0xff); 2641da177e4SLinus Torvalds vx_outb(chip, TXM, (rmh->Cmd[0] >> 8) & 0xff); 2651da177e4SLinus Torvalds vx_outb(chip, TXL, rmh->Cmd[0] & 0xff); 2661da177e4SLinus Torvalds 2671da177e4SLinus Torvalds /* Trigger irq MESSAGE */ 268ed1567c1STakashi Iwai err = vx_send_irq_dsp(chip, IRQ_MESSAGE); 269ed1567c1STakashi Iwai if (err < 0) { 270*41abc805STakashi Iwai dev_dbg(chip->card->dev, 271*41abc805STakashi Iwai "vx_send_msg: send IRQ_MESSAGE error\n"); 2721da177e4SLinus Torvalds return err; 2731da177e4SLinus Torvalds } 2741da177e4SLinus Torvalds 2751da177e4SLinus Torvalds /* Wait for CHK = 1 */ 276ed1567c1STakashi Iwai err = vx_wait_isr_bit(chip, ISR_CHK); 277ed1567c1STakashi Iwai if (err < 0) 2781da177e4SLinus Torvalds return err; 2791da177e4SLinus Torvalds 2801da177e4SLinus Torvalds /* If error, get error value from RX */ 2811da177e4SLinus Torvalds if (vx_inb(chip, ISR) & ISR_ERR) { 282ed1567c1STakashi Iwai err = vx_wait_for_rx_full(chip); 283ed1567c1STakashi Iwai if (err < 0) { 284*41abc805STakashi Iwai dev_dbg(chip->card->dev, 285*41abc805STakashi Iwai "vx_send_msg: rx_full read error\n"); 2861da177e4SLinus Torvalds return err; 2871da177e4SLinus Torvalds } 2881da177e4SLinus Torvalds err = vx_inb(chip, RXH) << 16; 2891da177e4SLinus Torvalds err |= vx_inb(chip, RXM) << 8; 2901da177e4SLinus Torvalds err |= vx_inb(chip, RXL); 291*41abc805STakashi Iwai dev_dbg(chip->card->dev, 292*41abc805STakashi Iwai "msg got error = 0x%x at cmd[0]\n", err); 2931da177e4SLinus Torvalds err = -(VX_ERR_MASK | err); 2941da177e4SLinus Torvalds return err; 2951da177e4SLinus Torvalds } 2961da177e4SLinus Torvalds 2971da177e4SLinus Torvalds /* Send the other words */ 2981da177e4SLinus Torvalds if (rmh->LgCmd > 1) { 2991da177e4SLinus Torvalds for (i = 1; i < rmh->LgCmd; i++) { 3001da177e4SLinus Torvalds /* Wait for TX ready */ 301ed1567c1STakashi Iwai err = vx_wait_isr_bit(chip, ISR_TX_READY); 302ed1567c1STakashi Iwai if (err < 0) { 303*41abc805STakashi Iwai dev_dbg(chip->card->dev, 304*41abc805STakashi Iwai "vx_send_msg: tx_ready error\n"); 3051da177e4SLinus Torvalds return err; 3061da177e4SLinus Torvalds } 3071da177e4SLinus Torvalds 3081da177e4SLinus Torvalds /* Write Cmd[i] */ 3091da177e4SLinus Torvalds vx_outb(chip, TXH, (rmh->Cmd[i] >> 16) & 0xff); 3101da177e4SLinus Torvalds vx_outb(chip, TXM, (rmh->Cmd[i] >> 8) & 0xff); 3111da177e4SLinus Torvalds vx_outb(chip, TXL, rmh->Cmd[i] & 0xff); 3121da177e4SLinus Torvalds 3131da177e4SLinus Torvalds /* Trigger irq MESS_READ_NEXT */ 314ed1567c1STakashi Iwai err = vx_send_irq_dsp(chip, IRQ_MESS_READ_NEXT); 315ed1567c1STakashi Iwai if (err < 0) { 316*41abc805STakashi Iwai dev_dbg(chip->card->dev, 317*41abc805STakashi Iwai "vx_send_msg: IRQ_READ_NEXT error\n"); 3181da177e4SLinus Torvalds return err; 3191da177e4SLinus Torvalds } 3201da177e4SLinus Torvalds } 3211da177e4SLinus Torvalds /* Wait for TX empty */ 322ed1567c1STakashi Iwai err = vx_wait_isr_bit(chip, ISR_TX_READY); 323ed1567c1STakashi Iwai if (err < 0) { 324*41abc805STakashi Iwai dev_dbg(chip->card->dev, 325*41abc805STakashi Iwai "vx_send_msg: TX_READY error\n"); 3261da177e4SLinus Torvalds return err; 3271da177e4SLinus Torvalds } 3281da177e4SLinus Torvalds /* End of transfer */ 3291da177e4SLinus Torvalds err = vx_transfer_end(chip, IRQ_MESS_READ_END); 3301da177e4SLinus Torvalds if (err < 0) 3311da177e4SLinus Torvalds return err; 3321da177e4SLinus Torvalds } 3331da177e4SLinus Torvalds 3341da177e4SLinus Torvalds return vx_read_status(chip, rmh); 3351da177e4SLinus Torvalds } 3361da177e4SLinus Torvalds 3371da177e4SLinus Torvalds 3381da177e4SLinus Torvalds /* 339db0a5214STakashi Iwai * vx_send_msg - send a DSP message with mutex 3401da177e4SLinus Torvalds * @rmh: the rmh record to send and receive 3411da177e4SLinus Torvalds * 3421da177e4SLinus Torvalds * returns 0 if successful, or a negative error code. 3431da177e4SLinus Torvalds * see vx_send_msg_nolock(). 3441da177e4SLinus Torvalds */ 345af26367fSTakashi Iwai int vx_send_msg(struct vx_core *chip, struct vx_rmh *rmh) 3461da177e4SLinus Torvalds { 3471da177e4SLinus Torvalds int err; 3481da177e4SLinus Torvalds 349db0a5214STakashi Iwai mutex_lock(&chip->lock); 3501da177e4SLinus Torvalds err = vx_send_msg_nolock(chip, rmh); 351db0a5214STakashi Iwai mutex_unlock(&chip->lock); 3521da177e4SLinus Torvalds return err; 3531da177e4SLinus Torvalds } 3541da177e4SLinus Torvalds 3551da177e4SLinus Torvalds 3561da177e4SLinus Torvalds /* 3571da177e4SLinus Torvalds * vx_send_rih_nolock - send an RIH to xilinx 3581da177e4SLinus Torvalds * @cmd: the command to send 3591da177e4SLinus Torvalds * 3601da177e4SLinus Torvalds * returns 0 if successful, or a negative error code. 3611da177e4SLinus Torvalds * the error code can be VX-specific, retrieved via vx_get_error(). 3621da177e4SLinus Torvalds * 363db0a5214STakashi Iwai * this function doesn't call mutex at all. 3641da177e4SLinus Torvalds * 3651da177e4SLinus Torvalds * unlike RMH, no command is sent to DSP. 3661da177e4SLinus Torvalds */ 367af26367fSTakashi Iwai int vx_send_rih_nolock(struct vx_core *chip, int cmd) 3681da177e4SLinus Torvalds { 3691da177e4SLinus Torvalds int err; 3701da177e4SLinus Torvalds 3711da177e4SLinus Torvalds if (chip->chip_status & VX_STAT_IS_STALE) 3721da177e4SLinus Torvalds return -EBUSY; 3731da177e4SLinus Torvalds 374ed1567c1STakashi Iwai err = vx_reset_chk(chip); 375ed1567c1STakashi Iwai if (err < 0) 3761da177e4SLinus Torvalds return err; 3771da177e4SLinus Torvalds /* send the IRQ */ 378ed1567c1STakashi Iwai err = vx_send_irq_dsp(chip, cmd); 379ed1567c1STakashi Iwai if (err < 0) 3801da177e4SLinus Torvalds return err; 3811da177e4SLinus Torvalds /* Wait CHK = 1 */ 382ed1567c1STakashi Iwai err = vx_wait_isr_bit(chip, ISR_CHK); 383ed1567c1STakashi Iwai if (err < 0) 3841da177e4SLinus Torvalds return err; 3851da177e4SLinus Torvalds /* If error, read RX */ 3861da177e4SLinus Torvalds if (vx_inb(chip, ISR) & ISR_ERR) { 387ed1567c1STakashi Iwai err = vx_wait_for_rx_full(chip); 388ed1567c1STakashi Iwai if (err < 0) 3891da177e4SLinus Torvalds return err; 3901da177e4SLinus Torvalds err = vx_inb(chip, RXH) << 16; 3911da177e4SLinus Torvalds err |= vx_inb(chip, RXM) << 8; 3921da177e4SLinus Torvalds err |= vx_inb(chip, RXL); 3931da177e4SLinus Torvalds return -(VX_ERR_MASK | err); 3941da177e4SLinus Torvalds } 3951da177e4SLinus Torvalds return 0; 3961da177e4SLinus Torvalds } 3971da177e4SLinus Torvalds 3981da177e4SLinus Torvalds 3991da177e4SLinus Torvalds /* 400db0a5214STakashi Iwai * vx_send_rih - send an RIH with mutex 4011da177e4SLinus Torvalds * @cmd: the command to send 4021da177e4SLinus Torvalds * 4031da177e4SLinus Torvalds * see vx_send_rih_nolock(). 4041da177e4SLinus Torvalds */ 405af26367fSTakashi Iwai int vx_send_rih(struct vx_core *chip, int cmd) 4061da177e4SLinus Torvalds { 4071da177e4SLinus Torvalds int err; 4081da177e4SLinus Torvalds 409db0a5214STakashi Iwai mutex_lock(&chip->lock); 4101da177e4SLinus Torvalds err = vx_send_rih_nolock(chip, cmd); 411db0a5214STakashi Iwai mutex_unlock(&chip->lock); 4121da177e4SLinus Torvalds return err; 4131da177e4SLinus Torvalds } 4141da177e4SLinus Torvalds 4151da177e4SLinus Torvalds #define END_OF_RESET_WAIT_TIME 500 /* us */ 4161da177e4SLinus Torvalds 4171da177e4SLinus Torvalds /** 41860fd7115SPierre-Louis Bossart * snd_vx_load_boot_image - boot up the xilinx interface 4192a9e8df0STakashi Iwai * @chip: VX core instance 4201da177e4SLinus Torvalds * @boot: the boot record to load 4211da177e4SLinus Torvalds */ 422af26367fSTakashi Iwai int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *boot) 4231da177e4SLinus Torvalds { 4241da177e4SLinus Torvalds unsigned int i; 4251da177e4SLinus Torvalds int no_fillup = vx_has_new_dsp(chip); 4261da177e4SLinus Torvalds 4271da177e4SLinus Torvalds /* check the length of boot image */ 4285e246b85STakashi Iwai if (boot->size <= 0) 4295e246b85STakashi Iwai return -EINVAL; 4305e246b85STakashi Iwai if (boot->size % 3) 4315e246b85STakashi Iwai return -EINVAL; 4321da177e4SLinus Torvalds #if 0 4331da177e4SLinus Torvalds { 4341da177e4SLinus Torvalds /* more strict check */ 4351da177e4SLinus Torvalds unsigned int c = ((u32)boot->data[0] << 16) | ((u32)boot->data[1] << 8) | boot->data[2]; 4365e246b85STakashi Iwai if (boot->size != (c + 2) * 3) 4375e246b85STakashi Iwai return -EINVAL; 4381da177e4SLinus Torvalds } 4391da177e4SLinus Torvalds #endif 4401da177e4SLinus Torvalds 4411da177e4SLinus Torvalds /* reset dsp */ 4421da177e4SLinus Torvalds vx_reset_dsp(chip); 4431da177e4SLinus Torvalds 4441da177e4SLinus Torvalds udelay(END_OF_RESET_WAIT_TIME); /* another wait? */ 4451da177e4SLinus Torvalds 4461da177e4SLinus Torvalds /* download boot strap */ 4471da177e4SLinus Torvalds for (i = 0; i < 0x600; i += 3) { 4481da177e4SLinus Torvalds if (i >= boot->size) { 4491da177e4SLinus Torvalds if (no_fillup) 4501da177e4SLinus Torvalds break; 4511da177e4SLinus Torvalds if (vx_wait_isr_bit(chip, ISR_TX_EMPTY) < 0) { 452*41abc805STakashi Iwai dev_err(chip->card->dev, "dsp boot failed at %d\n", i); 4531da177e4SLinus Torvalds return -EIO; 4541da177e4SLinus Torvalds } 4551da177e4SLinus Torvalds vx_outb(chip, TXH, 0); 4561da177e4SLinus Torvalds vx_outb(chip, TXM, 0); 4571da177e4SLinus Torvalds vx_outb(chip, TXL, 0); 4581da177e4SLinus Torvalds } else { 4592f0600b6SDavid Woodhouse const unsigned char *image = boot->data + i; 4601da177e4SLinus Torvalds if (vx_wait_isr_bit(chip, ISR_TX_EMPTY) < 0) { 461*41abc805STakashi Iwai dev_err(chip->card->dev, "dsp boot failed at %d\n", i); 4621da177e4SLinus Torvalds return -EIO; 4631da177e4SLinus Torvalds } 4641da177e4SLinus Torvalds vx_outb(chip, TXH, image[0]); 4651da177e4SLinus Torvalds vx_outb(chip, TXM, image[1]); 4661da177e4SLinus Torvalds vx_outb(chip, TXL, image[2]); 4671da177e4SLinus Torvalds } 4681da177e4SLinus Torvalds } 4691da177e4SLinus Torvalds return 0; 4701da177e4SLinus Torvalds } 4711da177e4SLinus Torvalds 472fa325eb3STakashi Iwai EXPORT_SYMBOL(snd_vx_load_boot_image); 473fa325eb3STakashi Iwai 4741da177e4SLinus Torvalds /* 4751da177e4SLinus Torvalds * vx_test_irq_src - query the source of interrupts 4761da177e4SLinus Torvalds * 4771da177e4SLinus Torvalds * called from irq handler only 4781da177e4SLinus Torvalds */ 479af26367fSTakashi Iwai static int vx_test_irq_src(struct vx_core *chip, unsigned int *ret) 4801da177e4SLinus Torvalds { 4811da177e4SLinus Torvalds int err; 4821da177e4SLinus Torvalds 4831da177e4SLinus Torvalds vx_init_rmh(&chip->irq_rmh, CMD_TEST_IT); 484db0a5214STakashi Iwai mutex_lock(&chip->lock); 4851da177e4SLinus Torvalds err = vx_send_msg_nolock(chip, &chip->irq_rmh); 4861da177e4SLinus Torvalds if (err < 0) 4871da177e4SLinus Torvalds *ret = 0; 4881da177e4SLinus Torvalds else 4891da177e4SLinus Torvalds *ret = chip->irq_rmh.Stat[0]; 490db0a5214STakashi Iwai mutex_unlock(&chip->lock); 4911da177e4SLinus Torvalds return err; 4921da177e4SLinus Torvalds } 4931da177e4SLinus Torvalds 4941da177e4SLinus Torvalds 4951da177e4SLinus Torvalds /* 496db0a5214STakashi Iwai * snd_vx_threaded_irq_handler - threaded irq handler 4971da177e4SLinus Torvalds */ 498db0a5214STakashi Iwai irqreturn_t snd_vx_threaded_irq_handler(int irq, void *dev) 4991da177e4SLinus Torvalds { 500db0a5214STakashi Iwai struct vx_core *chip = dev; 5011da177e4SLinus Torvalds unsigned int events; 5021da177e4SLinus Torvalds 5031da177e4SLinus Torvalds if (chip->chip_status & VX_STAT_IS_STALE) 504db0a5214STakashi Iwai return IRQ_HANDLED; 5051da177e4SLinus Torvalds 5061da177e4SLinus Torvalds if (vx_test_irq_src(chip, &events) < 0) 507db0a5214STakashi Iwai return IRQ_HANDLED; 5081da177e4SLinus Torvalds 5091da177e4SLinus Torvalds /* We must prevent any application using this DSP 5101da177e4SLinus Torvalds * and block any further request until the application 5111da177e4SLinus Torvalds * either unregisters or reloads the DSP 5121da177e4SLinus Torvalds */ 5131da177e4SLinus Torvalds if (events & FATAL_DSP_ERROR) { 514*41abc805STakashi Iwai dev_err(chip->card->dev, "vx_core: fatal DSP error!!\n"); 515db0a5214STakashi Iwai return IRQ_HANDLED; 5161da177e4SLinus Torvalds } 5171da177e4SLinus Torvalds 5181da177e4SLinus Torvalds /* The start on time code conditions are filled (ie the time code 5191da177e4SLinus Torvalds * received by the board is equal to one of those given to it). 5201da177e4SLinus Torvalds */ 5215ddf2dfeSPierre-Louis Bossart if (events & TIME_CODE_EVENT_PENDING) { 5221da177e4SLinus Torvalds ; /* so far, nothing to do yet */ 5235ddf2dfeSPierre-Louis Bossart } 5241da177e4SLinus Torvalds 5251da177e4SLinus Torvalds /* The frequency has changed on the board (UER mode). */ 5261da177e4SLinus Torvalds if (events & FREQUENCY_CHANGE_EVENT_PENDING) 5271da177e4SLinus Torvalds vx_change_frequency(chip); 5281da177e4SLinus Torvalds 5291da177e4SLinus Torvalds /* update the pcm streams */ 5301da177e4SLinus Torvalds vx_pcm_update_intr(chip, events); 531db0a5214STakashi Iwai return IRQ_HANDLED; 5321da177e4SLinus Torvalds } 533db0a5214STakashi Iwai EXPORT_SYMBOL(snd_vx_threaded_irq_handler); 5341da177e4SLinus Torvalds 5351da177e4SLinus Torvalds /** 5361da177e4SLinus Torvalds * snd_vx_irq_handler - interrupt handler 5372a9e8df0STakashi Iwai * @irq: irq number 5382a9e8df0STakashi Iwai * @dev: VX core instance 5391da177e4SLinus Torvalds */ 5407d12e780SDavid Howells irqreturn_t snd_vx_irq_handler(int irq, void *dev) 5411da177e4SLinus Torvalds { 542af26367fSTakashi Iwai struct vx_core *chip = dev; 5431da177e4SLinus Torvalds 5441da177e4SLinus Torvalds if (! (chip->chip_status & VX_STAT_CHIP_INIT) || 5451da177e4SLinus Torvalds (chip->chip_status & VX_STAT_IS_STALE)) 5461da177e4SLinus Torvalds return IRQ_NONE; 5471da177e4SLinus Torvalds if (! vx_test_and_ack(chip)) 548db0a5214STakashi Iwai return IRQ_WAKE_THREAD; 549db0a5214STakashi Iwai return IRQ_NONE; 5501da177e4SLinus Torvalds } 5511da177e4SLinus Torvalds 552fa325eb3STakashi Iwai EXPORT_SYMBOL(snd_vx_irq_handler); 5531da177e4SLinus Torvalds 5541da177e4SLinus Torvalds /* 5551da177e4SLinus Torvalds */ 556af26367fSTakashi Iwai static void vx_reset_board(struct vx_core *chip, int cold_reset) 5571da177e4SLinus Torvalds { 5585e246b85STakashi Iwai if (snd_BUG_ON(!chip->ops->reset_board)) 5595e246b85STakashi Iwai return; 5601da177e4SLinus Torvalds 5611da177e4SLinus Torvalds /* current source, later sync'ed with target */ 5621da177e4SLinus Torvalds chip->audio_source = VX_AUDIO_SRC_LINE; 5631da177e4SLinus Torvalds if (cold_reset) { 5641da177e4SLinus Torvalds chip->audio_source_target = chip->audio_source; 5651da177e4SLinus Torvalds chip->clock_source = INTERNAL_QUARTZ; 5661da177e4SLinus Torvalds chip->clock_mode = VX_CLOCK_MODE_AUTO; 5671da177e4SLinus Torvalds chip->freq = 48000; 5681da177e4SLinus Torvalds chip->uer_detected = VX_UER_MODE_NOT_PRESENT; 5691da177e4SLinus Torvalds chip->uer_bits = SNDRV_PCM_DEFAULT_CON_SPDIF; 5701da177e4SLinus Torvalds } 5711da177e4SLinus Torvalds 5721da177e4SLinus Torvalds chip->ops->reset_board(chip, cold_reset); 5731da177e4SLinus Torvalds 5741da177e4SLinus Torvalds vx_reset_codec(chip, cold_reset); 5751da177e4SLinus Torvalds 5761da177e4SLinus Torvalds vx_set_internal_clock(chip, chip->freq); 5771da177e4SLinus Torvalds 5781da177e4SLinus Torvalds /* Reset the DSP */ 5791da177e4SLinus Torvalds vx_reset_dsp(chip); 5801da177e4SLinus Torvalds 5811da177e4SLinus Torvalds if (vx_is_pcmcia(chip)) { 5821da177e4SLinus Torvalds /* Acknowledge any pending IRQ and reset the MEMIRQ flag. */ 5831da177e4SLinus Torvalds vx_test_and_ack(chip); 5841da177e4SLinus Torvalds vx_validate_irq(chip, 1); 5851da177e4SLinus Torvalds } 5861da177e4SLinus Torvalds 5871da177e4SLinus Torvalds /* init CBits */ 5881da177e4SLinus Torvalds vx_set_iec958_status(chip, chip->uer_bits); 5891da177e4SLinus Torvalds } 5901da177e4SLinus Torvalds 5911da177e4SLinus Torvalds 5921da177e4SLinus Torvalds /* 5931da177e4SLinus Torvalds * proc interface 5941da177e4SLinus Torvalds */ 5951da177e4SLinus Torvalds 596af26367fSTakashi Iwai static void vx_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 5971da177e4SLinus Torvalds { 598af26367fSTakashi Iwai struct vx_core *chip = entry->private_data; 599c0948245STakashi Iwai static const char * const audio_src_vxp[] = { "Line", "Mic", "Digital" }; 600c0948245STakashi Iwai static const char * const audio_src_vx2[] = { "Analog", "Analog", "Digital" }; 601c0948245STakashi Iwai static const char * const clock_mode[] = { "Auto", "Internal", "External" }; 602c0948245STakashi Iwai static const char * const clock_src[] = { "Internal", "External" }; 603c0948245STakashi Iwai static const char * const uer_type[] = { "Consumer", "Professional", "Not Present" }; 6041da177e4SLinus Torvalds 6051da177e4SLinus Torvalds snd_iprintf(buffer, "%s\n", chip->card->longname); 6061da177e4SLinus Torvalds snd_iprintf(buffer, "Xilinx Firmware: %s\n", 607b7dcd6acSPierre-Louis Bossart (chip->chip_status & VX_STAT_XILINX_LOADED) ? "Loaded" : "No"); 6081da177e4SLinus Torvalds snd_iprintf(buffer, "Device Initialized: %s\n", 609b7dcd6acSPierre-Louis Bossart (chip->chip_status & VX_STAT_DEVICE_INIT) ? "Yes" : "No"); 6101da177e4SLinus Torvalds snd_iprintf(buffer, "DSP audio info:"); 6111da177e4SLinus Torvalds if (chip->audio_info & VX_AUDIO_INFO_REAL_TIME) 6121da177e4SLinus Torvalds snd_iprintf(buffer, " realtime"); 6131da177e4SLinus Torvalds if (chip->audio_info & VX_AUDIO_INFO_OFFLINE) 6141da177e4SLinus Torvalds snd_iprintf(buffer, " offline"); 6151da177e4SLinus Torvalds if (chip->audio_info & VX_AUDIO_INFO_MPEG1) 6161da177e4SLinus Torvalds snd_iprintf(buffer, " mpeg1"); 6171da177e4SLinus Torvalds if (chip->audio_info & VX_AUDIO_INFO_MPEG2) 6181da177e4SLinus Torvalds snd_iprintf(buffer, " mpeg2"); 6191da177e4SLinus Torvalds if (chip->audio_info & VX_AUDIO_INFO_LINEAR_8) 6201da177e4SLinus Torvalds snd_iprintf(buffer, " linear8"); 6211da177e4SLinus Torvalds if (chip->audio_info & VX_AUDIO_INFO_LINEAR_16) 6221da177e4SLinus Torvalds snd_iprintf(buffer, " linear16"); 6231da177e4SLinus Torvalds if (chip->audio_info & VX_AUDIO_INFO_LINEAR_24) 6241da177e4SLinus Torvalds snd_iprintf(buffer, " linear24"); 6251da177e4SLinus Torvalds snd_iprintf(buffer, "\n"); 6261da177e4SLinus Torvalds snd_iprintf(buffer, "Input Source: %s\n", vx_is_pcmcia(chip) ? 6271da177e4SLinus Torvalds audio_src_vxp[chip->audio_source] : 6281da177e4SLinus Torvalds audio_src_vx2[chip->audio_source]); 6291da177e4SLinus Torvalds snd_iprintf(buffer, "Clock Mode: %s\n", clock_mode[chip->clock_mode]); 6301da177e4SLinus Torvalds snd_iprintf(buffer, "Clock Source: %s\n", clock_src[chip->clock_source]); 6311da177e4SLinus Torvalds snd_iprintf(buffer, "Frequency: %d\n", chip->freq); 6321da177e4SLinus Torvalds snd_iprintf(buffer, "Detected Frequency: %d\n", chip->freq_detected); 6331da177e4SLinus Torvalds snd_iprintf(buffer, "Detected UER type: %s\n", uer_type[chip->uer_detected]); 6341da177e4SLinus Torvalds snd_iprintf(buffer, "Min/Max/Cur IBL: %d/%d/%d (granularity=%d)\n", 6351da177e4SLinus Torvalds chip->ibl.min_size, chip->ibl.max_size, chip->ibl.size, 6361da177e4SLinus Torvalds chip->ibl.granularity); 6371da177e4SLinus Torvalds } 6381da177e4SLinus Torvalds 639af26367fSTakashi Iwai static void vx_proc_init(struct vx_core *chip) 6401da177e4SLinus Torvalds { 641815d808cSTakashi Iwai snd_card_ro_proc_new(chip->card, "vx-status", chip, vx_proc_read); 6421da177e4SLinus Torvalds } 6431da177e4SLinus Torvalds 6441da177e4SLinus Torvalds 6451da177e4SLinus Torvalds /** 6461da177e4SLinus Torvalds * snd_vx_dsp_boot - load the DSP boot 6472a9e8df0STakashi Iwai * @chip: VX core instance 6482a9e8df0STakashi Iwai * @boot: firmware data 6491da177e4SLinus Torvalds */ 650af26367fSTakashi Iwai int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *boot) 6511da177e4SLinus Torvalds { 6521da177e4SLinus Torvalds int err; 6531da177e4SLinus Torvalds int cold_reset = !(chip->chip_status & VX_STAT_DEVICE_INIT); 6541da177e4SLinus Torvalds 6551da177e4SLinus Torvalds vx_reset_board(chip, cold_reset); 6561da177e4SLinus Torvalds vx_validate_irq(chip, 0); 6571da177e4SLinus Torvalds 658ed1567c1STakashi Iwai err = snd_vx_load_boot_image(chip, boot); 659ed1567c1STakashi Iwai if (err < 0) 6601da177e4SLinus Torvalds return err; 661bdbae7e6STakashi Iwai msleep(10); 6621da177e4SLinus Torvalds 6631da177e4SLinus Torvalds return 0; 6641da177e4SLinus Torvalds } 6651da177e4SLinus Torvalds 666fa325eb3STakashi Iwai EXPORT_SYMBOL(snd_vx_dsp_boot); 667fa325eb3STakashi Iwai 6681da177e4SLinus Torvalds /** 6691da177e4SLinus Torvalds * snd_vx_dsp_load - load the DSP image 6702a9e8df0STakashi Iwai * @chip: VX core instance 6712a9e8df0STakashi Iwai * @dsp: firmware data 6721da177e4SLinus Torvalds */ 673af26367fSTakashi Iwai int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp) 6741da177e4SLinus Torvalds { 6751da177e4SLinus Torvalds unsigned int i; 6761da177e4SLinus Torvalds int err; 6771da177e4SLinus Torvalds unsigned int csum = 0; 6782f0600b6SDavid Woodhouse const unsigned char *image, *cptr; 6791da177e4SLinus Torvalds 6805e246b85STakashi Iwai if (dsp->size % 3) 6815e246b85STakashi Iwai return -EINVAL; 6821da177e4SLinus Torvalds 6831da177e4SLinus Torvalds vx_toggle_dac_mute(chip, 1); 6841da177e4SLinus Torvalds 6851da177e4SLinus Torvalds /* Transfert data buffer from PC to DSP */ 6861da177e4SLinus Torvalds for (i = 0; i < dsp->size; i += 3) { 6871da177e4SLinus Torvalds image = dsp->data + i; 6881da177e4SLinus Torvalds /* Wait DSP ready for a new read */ 689ed1567c1STakashi Iwai err = vx_wait_isr_bit(chip, ISR_TX_EMPTY); 690ed1567c1STakashi Iwai if (err < 0) { 691*41abc805STakashi Iwai dev_err(chip->card->dev, 69245203832STakashi Iwai "dsp loading error at position %d\n", i); 6931da177e4SLinus Torvalds return err; 6941da177e4SLinus Torvalds } 6951da177e4SLinus Torvalds cptr = image; 6961da177e4SLinus Torvalds csum ^= *cptr; 6971da177e4SLinus Torvalds csum = (csum >> 24) | (csum << 8); 6981da177e4SLinus Torvalds vx_outb(chip, TXH, *cptr++); 6991da177e4SLinus Torvalds csum ^= *cptr; 7001da177e4SLinus Torvalds csum = (csum >> 24) | (csum << 8); 7011da177e4SLinus Torvalds vx_outb(chip, TXM, *cptr++); 7021da177e4SLinus Torvalds csum ^= *cptr; 7031da177e4SLinus Torvalds csum = (csum >> 24) | (csum << 8); 7041da177e4SLinus Torvalds vx_outb(chip, TXL, *cptr++); 7051da177e4SLinus Torvalds } 7061da177e4SLinus Torvalds 707bdbae7e6STakashi Iwai msleep(200); 7081da177e4SLinus Torvalds 709ed1567c1STakashi Iwai err = vx_wait_isr_bit(chip, ISR_CHK); 710ed1567c1STakashi Iwai if (err < 0) 7111da177e4SLinus Torvalds return err; 7121da177e4SLinus Torvalds 7131da177e4SLinus Torvalds vx_toggle_dac_mute(chip, 0); 7141da177e4SLinus Torvalds 7151da177e4SLinus Torvalds vx_test_and_ack(chip); 7161da177e4SLinus Torvalds vx_validate_irq(chip, 1); 7171da177e4SLinus Torvalds 7181da177e4SLinus Torvalds return 0; 7191da177e4SLinus Torvalds } 7201da177e4SLinus Torvalds 721fa325eb3STakashi Iwai EXPORT_SYMBOL(snd_vx_dsp_load); 722fa325eb3STakashi Iwai 7231da177e4SLinus Torvalds #ifdef CONFIG_PM 7241da177e4SLinus Torvalds /* 7251da177e4SLinus Torvalds * suspend 7261da177e4SLinus Torvalds */ 72768cb2b55STakashi Iwai int snd_vx_suspend(struct vx_core *chip) 7281da177e4SLinus Torvalds { 7290ed1cad1STakashi Iwai snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot); 7301da177e4SLinus Torvalds chip->chip_status |= VX_STAT_IN_SUSPEND; 7311da177e4SLinus Torvalds 7321da177e4SLinus Torvalds return 0; 7331da177e4SLinus Torvalds } 7341da177e4SLinus Torvalds 735fa325eb3STakashi Iwai EXPORT_SYMBOL(snd_vx_suspend); 736fa325eb3STakashi Iwai 7371da177e4SLinus Torvalds /* 7381da177e4SLinus Torvalds * resume 7391da177e4SLinus Torvalds */ 7400ed1cad1STakashi Iwai int snd_vx_resume(struct vx_core *chip) 7411da177e4SLinus Torvalds { 7421da177e4SLinus Torvalds int i, err; 7431da177e4SLinus Torvalds 7441da177e4SLinus Torvalds chip->chip_status &= ~VX_STAT_CHIP_INIT; 7451da177e4SLinus Torvalds 7461da177e4SLinus Torvalds for (i = 0; i < 4; i++) { 7471da177e4SLinus Torvalds if (! chip->firmware[i]) 7481da177e4SLinus Torvalds continue; 7491da177e4SLinus Torvalds err = chip->ops->load_dsp(chip, i, chip->firmware[i]); 7501da177e4SLinus Torvalds if (err < 0) { 751*41abc805STakashi Iwai dev_err(chip->card->dev, 752*41abc805STakashi Iwai "vx: firmware resume error at DSP %d\n", i); 7531da177e4SLinus Torvalds return -EIO; 7541da177e4SLinus Torvalds } 7551da177e4SLinus Torvalds } 7561da177e4SLinus Torvalds 7571da177e4SLinus Torvalds chip->chip_status |= VX_STAT_CHIP_INIT; 7581da177e4SLinus Torvalds chip->chip_status &= ~VX_STAT_IN_SUSPEND; 7591da177e4SLinus Torvalds 7600ed1cad1STakashi Iwai snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0); 7611da177e4SLinus Torvalds return 0; 7621da177e4SLinus Torvalds } 7631da177e4SLinus Torvalds 764fa325eb3STakashi Iwai EXPORT_SYMBOL(snd_vx_resume); 7651da177e4SLinus Torvalds #endif 7661da177e4SLinus Torvalds 767a0339541STakashi Iwai static void snd_vx_release(struct device *dev, void *data) 768a0339541STakashi Iwai { 769a0339541STakashi Iwai snd_vx_free_firmware(data); 770a0339541STakashi Iwai } 771a0339541STakashi Iwai 7721da177e4SLinus Torvalds /** 773af26367fSTakashi Iwai * snd_vx_create - constructor for struct vx_core 7742a9e8df0STakashi Iwai * @card: card instance 7751da177e4SLinus Torvalds * @hw: hardware specific record 7762a9e8df0STakashi Iwai * @ops: VX ops pointer 7772a9e8df0STakashi Iwai * @extra_size: extra byte size to allocate appending to chip 7781da177e4SLinus Torvalds * 7791da177e4SLinus Torvalds * this function allocates the instance and prepare for the hardware 7801da177e4SLinus Torvalds * initialization. 7811da177e4SLinus Torvalds * 782a0339541STakashi Iwai * The object is managed via devres, and will be automatically released. 783a0339541STakashi Iwai * 7841da177e4SLinus Torvalds * return the instance pointer if successful, NULL in error. 7851da177e4SLinus Torvalds */ 786f8ae2d29STakashi Iwai struct vx_core *snd_vx_create(struct snd_card *card, 787f8ae2d29STakashi Iwai const struct snd_vx_hardware *hw, 788f8ae2d29STakashi Iwai const struct snd_vx_ops *ops, 7891da177e4SLinus Torvalds int extra_size) 7901da177e4SLinus Torvalds { 791af26367fSTakashi Iwai struct vx_core *chip; 7921da177e4SLinus Torvalds 7935e246b85STakashi Iwai if (snd_BUG_ON(!card || !hw || !ops)) 7945e246b85STakashi Iwai return NULL; 7951da177e4SLinus Torvalds 796a0339541STakashi Iwai chip = devres_alloc(snd_vx_release, sizeof(*chip) + extra_size, 797a0339541STakashi Iwai GFP_KERNEL); 798a65895e0SMihai Burduselu if (!chip) 7991da177e4SLinus Torvalds return NULL; 800db0a5214STakashi Iwai mutex_init(&chip->lock); 8011da177e4SLinus Torvalds chip->irq = -1; 8021da177e4SLinus Torvalds chip->hw = hw; 8031da177e4SLinus Torvalds chip->type = hw->type; 8041da177e4SLinus Torvalds chip->ops = ops; 805ef9f0a42SIngo Molnar mutex_init(&chip->mixer_mutex); 8061da177e4SLinus Torvalds 8071da177e4SLinus Torvalds chip->card = card; 8081da177e4SLinus Torvalds card->private_data = chip; 8091da177e4SLinus Torvalds strcpy(card->driver, hw->name); 8101da177e4SLinus Torvalds sprintf(card->shortname, "Digigram %s", hw->name); 8111da177e4SLinus Torvalds 8121da177e4SLinus Torvalds vx_proc_init(chip); 8131da177e4SLinus Torvalds 8141da177e4SLinus Torvalds return chip; 8151da177e4SLinus Torvalds } 8161da177e4SLinus Torvalds 817fa325eb3STakashi Iwai EXPORT_SYMBOL(snd_vx_create); 818