751851af7a
Conflicts: sound/pci/Kconfig
1217 lines
36 KiB
C
1217 lines
36 KiB
C
/*
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* Driver for Digigram pcxhr compatible soundcards
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*
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* low level interface with interrupt and message handling implementation
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*
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* Copyright (c) 2004 by Digigram <alsa@digigram.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/delay.h>
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#include <linux/firmware.h>
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#include <linux/interrupt.h>
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#include <asm/io.h>
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#include <sound/core.h>
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#include "pcxhr.h"
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#include "pcxhr_mixer.h"
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#include "pcxhr_hwdep.h"
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#include "pcxhr_core.h"
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/* registers used on the PLX (port 1) */
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#define PCXHR_PLX_OFFSET_MIN 0x40
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#define PCXHR_PLX_MBOX0 0x40
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#define PCXHR_PLX_MBOX1 0x44
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#define PCXHR_PLX_MBOX2 0x48
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#define PCXHR_PLX_MBOX3 0x4C
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#define PCXHR_PLX_MBOX4 0x50
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#define PCXHR_PLX_MBOX5 0x54
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#define PCXHR_PLX_MBOX6 0x58
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#define PCXHR_PLX_MBOX7 0x5C
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#define PCXHR_PLX_L2PCIDB 0x64
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#define PCXHR_PLX_IRQCS 0x68
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#define PCXHR_PLX_CHIPSC 0x6C
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/* registers used on the DSP (port 2) */
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#define PCXHR_DSP_ICR 0x00
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#define PCXHR_DSP_CVR 0x04
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#define PCXHR_DSP_ISR 0x08
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#define PCXHR_DSP_IVR 0x0C
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#define PCXHR_DSP_RXH 0x14
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#define PCXHR_DSP_TXH 0x14
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#define PCXHR_DSP_RXM 0x18
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#define PCXHR_DSP_TXM 0x18
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#define PCXHR_DSP_RXL 0x1C
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#define PCXHR_DSP_TXL 0x1C
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#define PCXHR_DSP_RESET 0x20
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#define PCXHR_DSP_OFFSET_MAX 0x20
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/* access to the card */
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#define PCXHR_PLX 1
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#define PCXHR_DSP 2
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#if (PCXHR_DSP_OFFSET_MAX > PCXHR_PLX_OFFSET_MIN)
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#undef PCXHR_REG_TO_PORT(x)
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#else
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#define PCXHR_REG_TO_PORT(x) ((x)>PCXHR_DSP_OFFSET_MAX ? PCXHR_PLX : PCXHR_DSP)
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#endif
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#define PCXHR_INPB(mgr,x) inb((mgr)->port[PCXHR_REG_TO_PORT(x)] + (x))
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#define PCXHR_INPL(mgr,x) inl((mgr)->port[PCXHR_REG_TO_PORT(x)] + (x))
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#define PCXHR_OUTPB(mgr,x,data) outb((data), (mgr)->port[PCXHR_REG_TO_PORT(x)] + (x))
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#define PCXHR_OUTPL(mgr,x,data) outl((data), (mgr)->port[PCXHR_REG_TO_PORT(x)] + (x))
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/* attention : access the PCXHR_DSP_* registers with inb and outb only ! */
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/* params used with PCXHR_PLX_MBOX0 */
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#define PCXHR_MBOX0_HF5 (1 << 0)
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#define PCXHR_MBOX0_HF4 (1 << 1)
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#define PCXHR_MBOX0_BOOT_HERE (1 << 23)
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/* params used with PCXHR_PLX_IRQCS */
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#define PCXHR_IRQCS_ENABLE_PCIIRQ (1 << 8)
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#define PCXHR_IRQCS_ENABLE_PCIDB (1 << 9)
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#define PCXHR_IRQCS_ACTIVE_PCIDB (1 << 13)
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/* params used with PCXHR_PLX_CHIPSC */
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#define PCXHR_CHIPSC_INIT_VALUE 0x100D767E
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#define PCXHR_CHIPSC_RESET_XILINX (1 << 16)
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#define PCXHR_CHIPSC_GPI_USERI (1 << 17)
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#define PCXHR_CHIPSC_DATA_CLK (1 << 24)
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#define PCXHR_CHIPSC_DATA_IN (1 << 26)
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/* params used with PCXHR_DSP_ICR */
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#define PCXHR_ICR_HI08_RREQ 0x01
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#define PCXHR_ICR_HI08_TREQ 0x02
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#define PCXHR_ICR_HI08_HDRQ 0x04
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#define PCXHR_ICR_HI08_HF0 0x08
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#define PCXHR_ICR_HI08_HF1 0x10
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#define PCXHR_ICR_HI08_HLEND 0x20
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#define PCXHR_ICR_HI08_INIT 0x80
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/* params used with PCXHR_DSP_CVR */
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#define PCXHR_CVR_HI08_HC 0x80
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/* params used with PCXHR_DSP_ISR */
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#define PCXHR_ISR_HI08_RXDF 0x01
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#define PCXHR_ISR_HI08_TXDE 0x02
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#define PCXHR_ISR_HI08_TRDY 0x04
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#define PCXHR_ISR_HI08_ERR 0x08
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#define PCXHR_ISR_HI08_CHK 0x10
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#define PCXHR_ISR_HI08_HREQ 0x80
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/* constants used for delay in msec */
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#define PCXHR_WAIT_DEFAULT 2
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#define PCXHR_WAIT_IT 25
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#define PCXHR_WAIT_IT_EXTRA 65
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/*
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* pcxhr_check_reg_bit - wait for the specified bit is set/reset on a register
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* @reg: register to check
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* @mask: bit mask
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* @bit: resultant bit to be checked
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* @time: time-out of loop in msec
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*
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* returns zero if a bit matches, or a negative error code.
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*/
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static int pcxhr_check_reg_bit(struct pcxhr_mgr *mgr, unsigned int reg,
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unsigned char mask, unsigned char bit, int time,
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unsigned char* read)
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{
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int i = 0;
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unsigned long end_time = jiffies + (time * HZ + 999) / 1000;
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do {
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*read = PCXHR_INPB(mgr, reg);
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if ((*read & mask) == bit) {
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if (i > 100)
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snd_printdd("ATTENTION! check_reg(%x) loopcount=%d\n",
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reg, i);
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return 0;
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}
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i++;
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} while (time_after_eq(end_time, jiffies));
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snd_printk(KERN_ERR "pcxhr_check_reg_bit: timeout, reg=%x, mask=0x%x, val=0x%x\n",
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reg, mask, *read);
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return -EIO;
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}
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/* constants used with pcxhr_check_reg_bit() */
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#define PCXHR_TIMEOUT_DSP 200
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#define PCXHR_MASK_EXTRA_INFO 0x0000FE
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#define PCXHR_MASK_IT_HF0 0x000100
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#define PCXHR_MASK_IT_HF1 0x000200
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#define PCXHR_MASK_IT_NO_HF0_HF1 0x000400
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#define PCXHR_MASK_IT_MANAGE_HF5 0x000800
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#define PCXHR_MASK_IT_WAIT 0x010000
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#define PCXHR_MASK_IT_WAIT_EXTRA 0x020000
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#define PCXHR_IT_SEND_BYTE_XILINX (0x0000003C | PCXHR_MASK_IT_HF0)
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#define PCXHR_IT_TEST_XILINX (0x0000003C | PCXHR_MASK_IT_HF1 | \
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PCXHR_MASK_IT_MANAGE_HF5)
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#define PCXHR_IT_DOWNLOAD_BOOT (0x0000000C | PCXHR_MASK_IT_HF1 | \
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PCXHR_MASK_IT_MANAGE_HF5 | PCXHR_MASK_IT_WAIT)
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#define PCXHR_IT_RESET_BOARD_FUNC (0x0000000C | PCXHR_MASK_IT_HF0 | \
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PCXHR_MASK_IT_MANAGE_HF5 | PCXHR_MASK_IT_WAIT_EXTRA)
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#define PCXHR_IT_DOWNLOAD_DSP (0x0000000C | \
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PCXHR_MASK_IT_MANAGE_HF5 | PCXHR_MASK_IT_WAIT)
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#define PCXHR_IT_DEBUG (0x0000005A | PCXHR_MASK_IT_NO_HF0_HF1)
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#define PCXHR_IT_RESET_SEMAPHORE (0x0000005C | PCXHR_MASK_IT_NO_HF0_HF1)
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#define PCXHR_IT_MESSAGE (0x00000074 | PCXHR_MASK_IT_NO_HF0_HF1)
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#define PCXHR_IT_RESET_CHK (0x00000076 | PCXHR_MASK_IT_NO_HF0_HF1)
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#define PCXHR_IT_UPDATE_RBUFFER (0x00000078 | PCXHR_MASK_IT_NO_HF0_HF1)
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static int pcxhr_send_it_dsp(struct pcxhr_mgr *mgr, unsigned int itdsp, int atomic)
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{
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int err;
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unsigned char reg;
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if (itdsp & PCXHR_MASK_IT_MANAGE_HF5) {
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/* clear hf5 bit */
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PCXHR_OUTPL(mgr, PCXHR_PLX_MBOX0,
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PCXHR_INPL(mgr, PCXHR_PLX_MBOX0) & ~PCXHR_MBOX0_HF5);
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}
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if ((itdsp & PCXHR_MASK_IT_NO_HF0_HF1) == 0) {
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reg = PCXHR_ICR_HI08_RREQ | PCXHR_ICR_HI08_TREQ | PCXHR_ICR_HI08_HDRQ;
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if (itdsp & PCXHR_MASK_IT_HF0)
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reg |= PCXHR_ICR_HI08_HF0;
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if (itdsp & PCXHR_MASK_IT_HF1)
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reg |= PCXHR_ICR_HI08_HF1;
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PCXHR_OUTPB(mgr, PCXHR_DSP_ICR, reg);
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}
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reg = (unsigned char)(((itdsp & PCXHR_MASK_EXTRA_INFO) >> 1) | PCXHR_CVR_HI08_HC);
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PCXHR_OUTPB(mgr, PCXHR_DSP_CVR, reg);
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if (itdsp & PCXHR_MASK_IT_WAIT) {
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if (atomic)
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mdelay(PCXHR_WAIT_IT);
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else
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msleep(PCXHR_WAIT_IT);
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}
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if (itdsp & PCXHR_MASK_IT_WAIT_EXTRA) {
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if (atomic)
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mdelay(PCXHR_WAIT_IT_EXTRA);
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else
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msleep(PCXHR_WAIT_IT);
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}
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/* wait for CVR_HI08_HC == 0 */
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err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_CVR, PCXHR_CVR_HI08_HC, 0,
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PCXHR_TIMEOUT_DSP, ®);
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if (err) {
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snd_printk(KERN_ERR "pcxhr_send_it_dsp : TIMEOUT CVR\n");
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return err;
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}
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if (itdsp & PCXHR_MASK_IT_MANAGE_HF5) {
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/* wait for hf5 bit */
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err = pcxhr_check_reg_bit(mgr, PCXHR_PLX_MBOX0, PCXHR_MBOX0_HF5,
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PCXHR_MBOX0_HF5, PCXHR_TIMEOUT_DSP, ®);
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if (err) {
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snd_printk(KERN_ERR "pcxhr_send_it_dsp : TIMEOUT HF5\n");
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return err;
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}
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}
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return 0; /* retry not handled here */
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}
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void pcxhr_reset_xilinx_com(struct pcxhr_mgr *mgr)
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{
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/* reset second xilinx */
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PCXHR_OUTPL(mgr, PCXHR_PLX_CHIPSC,
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PCXHR_CHIPSC_INIT_VALUE & ~PCXHR_CHIPSC_RESET_XILINX);
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}
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static void pcxhr_enable_irq(struct pcxhr_mgr *mgr, int enable)
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{
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unsigned int reg = PCXHR_INPL(mgr, PCXHR_PLX_IRQCS);
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/* enable/disable interrupts */
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if (enable)
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reg |= (PCXHR_IRQCS_ENABLE_PCIIRQ | PCXHR_IRQCS_ENABLE_PCIDB);
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else
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reg &= ~(PCXHR_IRQCS_ENABLE_PCIIRQ | PCXHR_IRQCS_ENABLE_PCIDB);
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PCXHR_OUTPL(mgr, PCXHR_PLX_IRQCS, reg);
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}
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void pcxhr_reset_dsp(struct pcxhr_mgr *mgr)
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{
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/* disable interrupts */
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pcxhr_enable_irq(mgr, 0);
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/* let's reset the DSP */
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PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, 0);
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msleep( PCXHR_WAIT_DEFAULT ); /* wait 2 msec */
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PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, 3);
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msleep( PCXHR_WAIT_DEFAULT ); /* wait 2 msec */
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/* reset mailbox */
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PCXHR_OUTPL(mgr, PCXHR_PLX_MBOX0, 0);
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}
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void pcxhr_enable_dsp(struct pcxhr_mgr *mgr)
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{
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/* enable interrupts */
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pcxhr_enable_irq(mgr, 1);
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}
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/*
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* load the xilinx image
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*/
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int pcxhr_load_xilinx_binary(struct pcxhr_mgr *mgr, const struct firmware *xilinx, int second)
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{
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unsigned int i;
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unsigned int chipsc;
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unsigned char data;
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unsigned char mask;
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const unsigned char *image;
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/* test first xilinx */
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chipsc = PCXHR_INPL(mgr, PCXHR_PLX_CHIPSC);
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/* REV01 cards do not support the PCXHR_CHIPSC_GPI_USERI bit anymore */
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/* this bit will always be 1; no possibility to test presence of first xilinx */
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if(second) {
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if ((chipsc & PCXHR_CHIPSC_GPI_USERI) == 0) {
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snd_printk(KERN_ERR "error loading first xilinx\n");
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return -EINVAL;
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}
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/* activate second xilinx */
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chipsc |= PCXHR_CHIPSC_RESET_XILINX;
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PCXHR_OUTPL(mgr, PCXHR_PLX_CHIPSC, chipsc);
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msleep( PCXHR_WAIT_DEFAULT ); /* wait 2 msec */
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}
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image = xilinx->data;
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for (i = 0; i < xilinx->size; i++, image++) {
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data = *image;
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mask = 0x80;
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while (mask) {
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chipsc &= ~(PCXHR_CHIPSC_DATA_CLK | PCXHR_CHIPSC_DATA_IN);
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if (data & mask)
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chipsc |= PCXHR_CHIPSC_DATA_IN;
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PCXHR_OUTPL(mgr, PCXHR_PLX_CHIPSC, chipsc);
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chipsc |= PCXHR_CHIPSC_DATA_CLK;
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PCXHR_OUTPL(mgr, PCXHR_PLX_CHIPSC, chipsc);
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mask >>= 1;
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}
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/* don't take too much time in this loop... */
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cond_resched();
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}
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chipsc &= ~(PCXHR_CHIPSC_DATA_CLK | PCXHR_CHIPSC_DATA_IN);
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PCXHR_OUTPL(mgr, PCXHR_PLX_CHIPSC, chipsc);
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/* wait 2 msec (time to boot the xilinx before any access) */
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msleep( PCXHR_WAIT_DEFAULT );
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return 0;
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}
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/*
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* send an executable file to the DSP
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*/
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static int pcxhr_download_dsp(struct pcxhr_mgr *mgr, const struct firmware *dsp)
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{
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int err;
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unsigned int i;
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unsigned int len;
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const unsigned char *data;
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unsigned char dummy;
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/* check the length of boot image */
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snd_assert(dsp->size > 0, return -EINVAL);
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snd_assert(dsp->size % 3 == 0, return -EINVAL);
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snd_assert(dsp->data, return -EINVAL);
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/* transfert data buffer from PC to DSP */
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for (i = 0; i < dsp->size; i += 3) {
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data = dsp->data + i;
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if (i == 0) {
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/* test data header consistency */
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len = (unsigned int)((data[0]<<16) + (data[1]<<8) + data[2]);
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snd_assert((len==0) || (dsp->size == (len+2)*3), return -EINVAL);
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}
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/* wait DSP ready for new transfer */
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err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_TRDY,
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PCXHR_ISR_HI08_TRDY, PCXHR_TIMEOUT_DSP, &dummy);
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if (err) {
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snd_printk(KERN_ERR "dsp loading error at position %d\n", i);
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return err;
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}
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/* send host data */
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PCXHR_OUTPB(mgr, PCXHR_DSP_TXH, data[0]);
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PCXHR_OUTPB(mgr, PCXHR_DSP_TXM, data[1]);
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PCXHR_OUTPB(mgr, PCXHR_DSP_TXL, data[2]);
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/* don't take too much time in this loop... */
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cond_resched();
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}
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/* give some time to boot the DSP */
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msleep(PCXHR_WAIT_DEFAULT);
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return 0;
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}
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/*
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* load the eeprom image
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*/
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int pcxhr_load_eeprom_binary(struct pcxhr_mgr *mgr, const struct firmware *eeprom)
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{
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int err;
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unsigned char reg;
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/* init value of the ICR register */
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reg = PCXHR_ICR_HI08_RREQ | PCXHR_ICR_HI08_TREQ | PCXHR_ICR_HI08_HDRQ;
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if (PCXHR_INPL(mgr, PCXHR_PLX_MBOX0) & PCXHR_MBOX0_BOOT_HERE) {
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/* no need to load the eeprom binary, but init the HI08 interface */
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PCXHR_OUTPB(mgr, PCXHR_DSP_ICR, reg | PCXHR_ICR_HI08_INIT);
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msleep(PCXHR_WAIT_DEFAULT);
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PCXHR_OUTPB(mgr, PCXHR_DSP_ICR, reg);
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msleep(PCXHR_WAIT_DEFAULT);
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snd_printdd("no need to load eeprom boot\n");
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return 0;
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}
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PCXHR_OUTPB(mgr, PCXHR_DSP_ICR, reg);
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err = pcxhr_download_dsp(mgr, eeprom);
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if (err)
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return err;
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/* wait for chk bit */
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return pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_CHK,
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PCXHR_ISR_HI08_CHK, PCXHR_TIMEOUT_DSP, ®);
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}
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/*
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* load the boot image
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*/
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int pcxhr_load_boot_binary(struct pcxhr_mgr *mgr, const struct firmware *boot)
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{
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int err;
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unsigned int physaddr = mgr->hostport.addr;
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unsigned char dummy;
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/* send the hostport address to the DSP (only the upper 24 bit !) */
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snd_assert((physaddr & 0xff) == 0, return -EINVAL);
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PCXHR_OUTPL(mgr, PCXHR_PLX_MBOX1, (physaddr >> 8));
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err = pcxhr_send_it_dsp(mgr, PCXHR_IT_DOWNLOAD_BOOT, 0);
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if (err)
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return err;
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/* clear hf5 bit */
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PCXHR_OUTPL(mgr, PCXHR_PLX_MBOX0,
|
|
PCXHR_INPL(mgr, PCXHR_PLX_MBOX0) & ~PCXHR_MBOX0_HF5);
|
|
|
|
err = pcxhr_download_dsp(mgr, boot);
|
|
if (err)
|
|
return err;
|
|
/* wait for hf5 bit */
|
|
return pcxhr_check_reg_bit(mgr, PCXHR_PLX_MBOX0, PCXHR_MBOX0_HF5,
|
|
PCXHR_MBOX0_HF5, PCXHR_TIMEOUT_DSP, &dummy);
|
|
}
|
|
|
|
/*
|
|
* load the final dsp image
|
|
*/
|
|
int pcxhr_load_dsp_binary(struct pcxhr_mgr *mgr, const struct firmware *dsp)
|
|
{
|
|
int err;
|
|
unsigned char dummy;
|
|
err = pcxhr_send_it_dsp(mgr, PCXHR_IT_RESET_BOARD_FUNC, 0);
|
|
if (err)
|
|
return err;
|
|
err = pcxhr_send_it_dsp(mgr, PCXHR_IT_DOWNLOAD_DSP, 0);
|
|
if (err)
|
|
return err;
|
|
err = pcxhr_download_dsp(mgr, dsp);
|
|
if (err)
|
|
return err;
|
|
/* wait for chk bit */
|
|
return pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_CHK,
|
|
PCXHR_ISR_HI08_CHK, PCXHR_TIMEOUT_DSP, &dummy);
|
|
}
|
|
|
|
|
|
struct pcxhr_cmd_info {
|
|
u32 opcode; /* command word */
|
|
u16 st_length; /* status length */
|
|
u16 st_type; /* status type (RMH_SSIZE_XXX) */
|
|
};
|
|
|
|
/* RMH status type */
|
|
enum {
|
|
RMH_SSIZE_FIXED = 0, /* status size fix (st_length = 0..x) */
|
|
RMH_SSIZE_ARG = 1, /* status size given in the LSB byte (used with st_length = 1) */
|
|
RMH_SSIZE_MASK = 2, /* status size given in bitmask (used with st_length = 1) */
|
|
};
|
|
|
|
/*
|
|
* Array of DSP commands
|
|
*/
|
|
static struct pcxhr_cmd_info pcxhr_dsp_cmds[] = {
|
|
[CMD_VERSION] = { 0x010000, 1, RMH_SSIZE_FIXED },
|
|
[CMD_SUPPORTED] = { 0x020000, 4, RMH_SSIZE_FIXED },
|
|
[CMD_TEST_IT] = { 0x040000, 1, RMH_SSIZE_FIXED },
|
|
[CMD_SEND_IRQA] = { 0x070001, 0, RMH_SSIZE_FIXED },
|
|
[CMD_ACCESS_IO_WRITE] = { 0x090000, 1, RMH_SSIZE_ARG },
|
|
[CMD_ACCESS_IO_READ] = { 0x094000, 1, RMH_SSIZE_ARG },
|
|
[CMD_ASYNC] = { 0x0a0000, 1, RMH_SSIZE_ARG },
|
|
[CMD_MODIFY_CLOCK] = { 0x0d0000, 0, RMH_SSIZE_FIXED },
|
|
[CMD_RESYNC_AUDIO_INPUTS] = { 0x0e0000, 0, RMH_SSIZE_FIXED },
|
|
[CMD_GET_DSP_RESOURCES] = { 0x100000, 4, RMH_SSIZE_FIXED },
|
|
[CMD_SET_TIMER_INTERRUPT] = { 0x110000, 0, RMH_SSIZE_FIXED },
|
|
[CMD_RES_PIPE] = { 0x400000, 0, RMH_SSIZE_FIXED },
|
|
[CMD_FREE_PIPE] = { 0x410000, 0, RMH_SSIZE_FIXED },
|
|
[CMD_CONF_PIPE] = { 0x422101, 0, RMH_SSIZE_FIXED },
|
|
[CMD_STOP_PIPE] = { 0x470004, 0, RMH_SSIZE_FIXED },
|
|
[CMD_PIPE_SAMPLE_COUNT] = { 0x49a000, 2, RMH_SSIZE_FIXED },
|
|
[CMD_CAN_START_PIPE] = { 0x4b0000, 1, RMH_SSIZE_FIXED },
|
|
[CMD_START_STREAM] = { 0x802000, 0, RMH_SSIZE_FIXED },
|
|
[CMD_STREAM_OUT_LEVEL_ADJUST] = { 0x822000, 0, RMH_SSIZE_FIXED },
|
|
[CMD_STOP_STREAM] = { 0x832000, 0, RMH_SSIZE_FIXED },
|
|
[CMD_UPDATE_R_BUFFERS] = { 0x840000, 0, RMH_SSIZE_FIXED },
|
|
[CMD_FORMAT_STREAM_OUT] = { 0x860000, 0, RMH_SSIZE_FIXED },
|
|
[CMD_FORMAT_STREAM_IN] = { 0x870000, 0, RMH_SSIZE_FIXED },
|
|
[CMD_STREAM_SAMPLE_COUNT] = { 0x902000, 2, RMH_SSIZE_FIXED }, /* stat_len = nb_streams * 2 */
|
|
[CMD_AUDIO_LEVEL_ADJUST] = { 0xc22000, 0, RMH_SSIZE_FIXED },
|
|
};
|
|
|
|
#ifdef CONFIG_SND_DEBUG_VERBOSE
|
|
static char* cmd_names[] = {
|
|
[CMD_VERSION] = "CMD_VERSION",
|
|
[CMD_SUPPORTED] = "CMD_SUPPORTED",
|
|
[CMD_TEST_IT] = "CMD_TEST_IT",
|
|
[CMD_SEND_IRQA] = "CMD_SEND_IRQA",
|
|
[CMD_ACCESS_IO_WRITE] = "CMD_ACCESS_IO_WRITE",
|
|
[CMD_ACCESS_IO_READ] = "CMD_ACCESS_IO_READ",
|
|
[CMD_ASYNC] = "CMD_ASYNC",
|
|
[CMD_MODIFY_CLOCK] = "CMD_MODIFY_CLOCK",
|
|
[CMD_RESYNC_AUDIO_INPUTS] = "CMD_RESYNC_AUDIO_INPUTS",
|
|
[CMD_GET_DSP_RESOURCES] = "CMD_GET_DSP_RESOURCES",
|
|
[CMD_SET_TIMER_INTERRUPT] = "CMD_SET_TIMER_INTERRUPT",
|
|
[CMD_RES_PIPE] = "CMD_RES_PIPE",
|
|
[CMD_FREE_PIPE] = "CMD_FREE_PIPE",
|
|
[CMD_CONF_PIPE] = "CMD_CONF_PIPE",
|
|
[CMD_STOP_PIPE] = "CMD_STOP_PIPE",
|
|
[CMD_PIPE_SAMPLE_COUNT] = "CMD_PIPE_SAMPLE_COUNT",
|
|
[CMD_CAN_START_PIPE] = "CMD_CAN_START_PIPE",
|
|
[CMD_START_STREAM] = "CMD_START_STREAM",
|
|
[CMD_STREAM_OUT_LEVEL_ADJUST] = "CMD_STREAM_OUT_LEVEL_ADJUST",
|
|
[CMD_STOP_STREAM] = "CMD_STOP_STREAM",
|
|
[CMD_UPDATE_R_BUFFERS] = "CMD_UPDATE_R_BUFFERS",
|
|
[CMD_FORMAT_STREAM_OUT] = "CMD_FORMAT_STREAM_OUT",
|
|
[CMD_FORMAT_STREAM_IN] = "CMD_FORMAT_STREAM_IN",
|
|
[CMD_STREAM_SAMPLE_COUNT] = "CMD_STREAM_SAMPLE_COUNT",
|
|
[CMD_AUDIO_LEVEL_ADJUST] = "CMD_AUDIO_LEVEL_ADJUST",
|
|
};
|
|
#endif
|
|
|
|
|
|
static int pcxhr_read_rmh_status(struct pcxhr_mgr *mgr, struct pcxhr_rmh *rmh)
|
|
{
|
|
int err;
|
|
int i;
|
|
u32 data;
|
|
u32 size_mask;
|
|
unsigned char reg;
|
|
int max_stat_len;
|
|
|
|
if (rmh->stat_len < PCXHR_SIZE_MAX_STATUS)
|
|
max_stat_len = PCXHR_SIZE_MAX_STATUS;
|
|
else max_stat_len = rmh->stat_len;
|
|
|
|
for (i = 0; i < rmh->stat_len; i++) {
|
|
/* wait for receiver full */
|
|
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_RXDF,
|
|
PCXHR_ISR_HI08_RXDF, PCXHR_TIMEOUT_DSP, ®);
|
|
if (err) {
|
|
snd_printk(KERN_ERR "ERROR RMH stat: ISR:RXDF=1 (ISR = %x; i=%d )\n",
|
|
reg, i);
|
|
return err;
|
|
}
|
|
/* read data */
|
|
data = PCXHR_INPB(mgr, PCXHR_DSP_TXH) << 16;
|
|
data |= PCXHR_INPB(mgr, PCXHR_DSP_TXM) << 8;
|
|
data |= PCXHR_INPB(mgr, PCXHR_DSP_TXL);
|
|
|
|
/* need to update rmh->stat_len on the fly ?? */
|
|
if (i==0) {
|
|
if (rmh->dsp_stat != RMH_SSIZE_FIXED) {
|
|
if (rmh->dsp_stat == RMH_SSIZE_ARG) {
|
|
rmh->stat_len = (u16)(data & 0x0000ff) + 1;
|
|
data &= 0xffff00;
|
|
} else {
|
|
/* rmh->dsp_stat == RMH_SSIZE_MASK */
|
|
rmh->stat_len = 1;
|
|
size_mask = data;
|
|
while (size_mask) {
|
|
if (size_mask & 1)
|
|
rmh->stat_len++;
|
|
size_mask >>= 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#ifdef CONFIG_SND_DEBUG_VERBOSE
|
|
if (rmh->cmd_idx < CMD_LAST_INDEX)
|
|
snd_printdd(" stat[%d]=%x\n", i, data);
|
|
#endif
|
|
if (i < max_stat_len)
|
|
rmh->stat[i] = data;
|
|
}
|
|
if (rmh->stat_len > max_stat_len) {
|
|
snd_printdd("PCXHR : rmh->stat_len=%x too big\n", rmh->stat_len);
|
|
rmh->stat_len = max_stat_len;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int pcxhr_send_msg_nolock(struct pcxhr_mgr *mgr, struct pcxhr_rmh *rmh)
|
|
{
|
|
int err;
|
|
int i;
|
|
u32 data;
|
|
unsigned char reg;
|
|
|
|
snd_assert(rmh->cmd_len<PCXHR_SIZE_MAX_CMD, return -EINVAL);
|
|
err = pcxhr_send_it_dsp(mgr, PCXHR_IT_MESSAGE, 1);
|
|
if (err) {
|
|
snd_printk(KERN_ERR "pcxhr_send_message : ED_DSP_CRASHED\n");
|
|
return err;
|
|
}
|
|
/* wait for chk bit */
|
|
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_CHK,
|
|
PCXHR_ISR_HI08_CHK, PCXHR_TIMEOUT_DSP, ®);
|
|
if (err)
|
|
return err;
|
|
/* reset irq chk */
|
|
err = pcxhr_send_it_dsp(mgr, PCXHR_IT_RESET_CHK, 1);
|
|
if (err)
|
|
return err;
|
|
/* wait for chk bit == 0*/
|
|
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_CHK, 0,
|
|
PCXHR_TIMEOUT_DSP, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
data = rmh->cmd[0];
|
|
|
|
if (rmh->cmd_len > 1)
|
|
data |= 0x008000; /* MASK_MORE_THAN_1_WORD_COMMAND */
|
|
else
|
|
data &= 0xff7fff; /* MASK_1_WORD_COMMAND */
|
|
#ifdef CONFIG_SND_DEBUG_VERBOSE
|
|
if (rmh->cmd_idx < CMD_LAST_INDEX)
|
|
snd_printdd("MSG cmd[0]=%x (%s)\n", data, cmd_names[rmh->cmd_idx]);
|
|
#endif
|
|
|
|
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_TRDY,
|
|
PCXHR_ISR_HI08_TRDY, PCXHR_TIMEOUT_DSP, ®);
|
|
if (err)
|
|
return err;
|
|
PCXHR_OUTPB(mgr, PCXHR_DSP_TXH, (data>>16)&0xFF);
|
|
PCXHR_OUTPB(mgr, PCXHR_DSP_TXM, (data>>8)&0xFF);
|
|
PCXHR_OUTPB(mgr, PCXHR_DSP_TXL, (data&0xFF));
|
|
|
|
if (rmh->cmd_len > 1) {
|
|
/* send length */
|
|
data = rmh->cmd_len - 1;
|
|
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_TRDY,
|
|
PCXHR_ISR_HI08_TRDY, PCXHR_TIMEOUT_DSP, ®);
|
|
if (err)
|
|
return err;
|
|
PCXHR_OUTPB(mgr, PCXHR_DSP_TXH, (data>>16)&0xFF);
|
|
PCXHR_OUTPB(mgr, PCXHR_DSP_TXM, (data>>8)&0xFF);
|
|
PCXHR_OUTPB(mgr, PCXHR_DSP_TXL, (data&0xFF));
|
|
|
|
for (i=1; i < rmh->cmd_len; i++) {
|
|
/* send other words */
|
|
data = rmh->cmd[i];
|
|
#ifdef CONFIG_SND_DEBUG_VERBOSE
|
|
if (rmh->cmd_idx < CMD_LAST_INDEX)
|
|
snd_printdd(" cmd[%d]=%x\n", i, data);
|
|
#endif
|
|
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR,
|
|
PCXHR_ISR_HI08_TRDY,
|
|
PCXHR_ISR_HI08_TRDY,
|
|
PCXHR_TIMEOUT_DSP, ®);
|
|
if (err)
|
|
return err;
|
|
PCXHR_OUTPB(mgr, PCXHR_DSP_TXH, (data>>16)&0xFF);
|
|
PCXHR_OUTPB(mgr, PCXHR_DSP_TXM, (data>>8)&0xFF);
|
|
PCXHR_OUTPB(mgr, PCXHR_DSP_TXL, (data&0xFF));
|
|
}
|
|
}
|
|
/* wait for chk bit */
|
|
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_CHK,
|
|
PCXHR_ISR_HI08_CHK, PCXHR_TIMEOUT_DSP, ®);
|
|
if (err)
|
|
return err;
|
|
/* test status ISR */
|
|
if (reg & PCXHR_ISR_HI08_ERR) {
|
|
/* ERROR, wait for receiver full */
|
|
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_RXDF,
|
|
PCXHR_ISR_HI08_RXDF, PCXHR_TIMEOUT_DSP, ®);
|
|
if (err) {
|
|
snd_printk(KERN_ERR "ERROR RMH: ISR:RXDF=1 (ISR = %x)\n", reg);
|
|
return err;
|
|
}
|
|
/* read error code */
|
|
data = PCXHR_INPB(mgr, PCXHR_DSP_TXH) << 16;
|
|
data |= PCXHR_INPB(mgr, PCXHR_DSP_TXM) << 8;
|
|
data |= PCXHR_INPB(mgr, PCXHR_DSP_TXL);
|
|
snd_printk(KERN_ERR "ERROR RMH(%d): 0x%x\n", rmh->cmd_idx, data);
|
|
err = -EINVAL;
|
|
} else {
|
|
/* read the response data */
|
|
err = pcxhr_read_rmh_status(mgr, rmh);
|
|
}
|
|
/* reset semaphore */
|
|
if (pcxhr_send_it_dsp(mgr, PCXHR_IT_RESET_SEMAPHORE, 1) < 0)
|
|
return -EIO;
|
|
return err;
|
|
}
|
|
|
|
|
|
/**
|
|
* pcxhr_init_rmh - initialize the RMH instance
|
|
* @rmh: the rmh pointer to be initialized
|
|
* @cmd: the rmh command to be set
|
|
*/
|
|
void pcxhr_init_rmh(struct pcxhr_rmh *rmh, int cmd)
|
|
{
|
|
snd_assert(cmd < CMD_LAST_INDEX, return);
|
|
rmh->cmd[0] = pcxhr_dsp_cmds[cmd].opcode;
|
|
rmh->cmd_len = 1;
|
|
rmh->stat_len = pcxhr_dsp_cmds[cmd].st_length;
|
|
rmh->dsp_stat = pcxhr_dsp_cmds[cmd].st_type;
|
|
rmh->cmd_idx = cmd;
|
|
}
|
|
|
|
|
|
void pcxhr_set_pipe_cmd_params(struct pcxhr_rmh *rmh, int capture,
|
|
unsigned int param1, unsigned int param2,
|
|
unsigned int param3)
|
|
{
|
|
snd_assert(param1 <= MASK_FIRST_FIELD);
|
|
if (capture)
|
|
rmh->cmd[0] |= 0x800; /* COMMAND_RECORD_MASK */
|
|
if (param1)
|
|
rmh->cmd[0] |= (param1 << FIELD_SIZE);
|
|
if (param2) {
|
|
snd_assert(param2 <= MASK_FIRST_FIELD);
|
|
rmh->cmd[0] |= param2;
|
|
}
|
|
if(param3) {
|
|
snd_assert(param3 <= MASK_DSP_WORD);
|
|
rmh->cmd[1] = param3;
|
|
rmh->cmd_len = 2;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* pcxhr_send_msg - send a DSP message with spinlock
|
|
* @rmh: the rmh record to send and receive
|
|
*
|
|
* returns 0 if successful, or a negative error code.
|
|
*/
|
|
int pcxhr_send_msg(struct pcxhr_mgr *mgr, struct pcxhr_rmh *rmh)
|
|
{
|
|
unsigned long flags;
|
|
int err;
|
|
spin_lock_irqsave(&mgr->msg_lock, flags);
|
|
err = pcxhr_send_msg_nolock(mgr, rmh);
|
|
spin_unlock_irqrestore(&mgr->msg_lock, flags);
|
|
return err;
|
|
}
|
|
|
|
static inline int pcxhr_pipes_running(struct pcxhr_mgr *mgr)
|
|
{
|
|
int start_mask = PCXHR_INPL(mgr, PCXHR_PLX_MBOX2);
|
|
/* least segnificant 12 bits are the pipe states for the playback audios */
|
|
/* next 12 bits are the pipe states for the capture audios
|
|
* (PCXHR_PIPE_STATE_CAPTURE_OFFSET)
|
|
*/
|
|
start_mask &= 0xffffff;
|
|
snd_printdd("CMD_PIPE_STATE MBOX2=0x%06x\n", start_mask);
|
|
return start_mask;
|
|
}
|
|
|
|
#define PCXHR_PIPE_STATE_CAPTURE_OFFSET 12
|
|
#define MAX_WAIT_FOR_DSP 20
|
|
|
|
static int pcxhr_prepair_pipe_start(struct pcxhr_mgr *mgr, int audio_mask, int *retry)
|
|
{
|
|
struct pcxhr_rmh rmh;
|
|
int err;
|
|
int audio = 0;
|
|
|
|
*retry = 0;
|
|
while (audio_mask) {
|
|
if (audio_mask & 1) {
|
|
pcxhr_init_rmh(&rmh, CMD_CAN_START_PIPE);
|
|
if (audio < PCXHR_PIPE_STATE_CAPTURE_OFFSET) {
|
|
/* can start playback pipe */
|
|
pcxhr_set_pipe_cmd_params(&rmh, 0, audio, 0, 0);
|
|
} else {
|
|
/* can start capture pipe */
|
|
pcxhr_set_pipe_cmd_params(&rmh, 1, audio -
|
|
PCXHR_PIPE_STATE_CAPTURE_OFFSET,
|
|
0, 0);
|
|
}
|
|
err = pcxhr_send_msg(mgr, &rmh);
|
|
if (err) {
|
|
snd_printk(KERN_ERR
|
|
"error pipe start (CMD_CAN_START_PIPE) err=%x!\n",
|
|
err);
|
|
return err;
|
|
}
|
|
/* if the pipe couldn't be prepaired for start, retry it later */
|
|
if (rmh.stat[0] == 0)
|
|
*retry |= (1<<audio);
|
|
}
|
|
audio_mask>>=1;
|
|
audio++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int pcxhr_stop_pipes(struct pcxhr_mgr *mgr, int audio_mask)
|
|
{
|
|
struct pcxhr_rmh rmh;
|
|
int err;
|
|
int audio = 0;
|
|
|
|
while (audio_mask) {
|
|
if (audio_mask & 1) {
|
|
pcxhr_init_rmh(&rmh, CMD_STOP_PIPE);
|
|
if (audio < PCXHR_PIPE_STATE_CAPTURE_OFFSET) {
|
|
/* stop playback pipe */
|
|
pcxhr_set_pipe_cmd_params(&rmh, 0, audio, 0, 0);
|
|
} else {
|
|
/* stop capture pipe */
|
|
pcxhr_set_pipe_cmd_params(&rmh, 1, audio -
|
|
PCXHR_PIPE_STATE_CAPTURE_OFFSET,
|
|
0, 0);
|
|
}
|
|
err = pcxhr_send_msg(mgr, &rmh);
|
|
if (err) {
|
|
snd_printk(KERN_ERR
|
|
"error pipe stop (CMD_STOP_PIPE) err=%x!\n",
|
|
err);
|
|
return err;
|
|
}
|
|
}
|
|
audio_mask>>=1;
|
|
audio++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int pcxhr_toggle_pipes(struct pcxhr_mgr *mgr, int audio_mask)
|
|
{
|
|
struct pcxhr_rmh rmh;
|
|
int err;
|
|
int audio = 0;
|
|
|
|
while (audio_mask) {
|
|
if (audio_mask & 1) {
|
|
pcxhr_init_rmh(&rmh, CMD_CONF_PIPE);
|
|
if (audio < PCXHR_PIPE_STATE_CAPTURE_OFFSET)
|
|
pcxhr_set_pipe_cmd_params(&rmh, 0, 0, 0, 1 << audio);
|
|
else
|
|
pcxhr_set_pipe_cmd_params(&rmh, 1, 0, 0,
|
|
1 << (audio - PCXHR_PIPE_STATE_CAPTURE_OFFSET));
|
|
err = pcxhr_send_msg(mgr, &rmh);
|
|
if (err) {
|
|
snd_printk(KERN_ERR
|
|
"error pipe start (CMD_CONF_PIPE) err=%x!\n",
|
|
err);
|
|
return err;
|
|
}
|
|
}
|
|
audio_mask>>=1;
|
|
audio++;
|
|
}
|
|
/* now fire the interrupt on the card */
|
|
pcxhr_init_rmh(&rmh, CMD_SEND_IRQA);
|
|
err = pcxhr_send_msg(mgr, &rmh);
|
|
if (err) {
|
|
snd_printk(KERN_ERR "error pipe start (CMD_SEND_IRQA) err=%x!\n", err );
|
|
return err;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
int pcxhr_set_pipe_state(struct pcxhr_mgr *mgr, int playback_mask, int capture_mask, int start)
|
|
{
|
|
int state, i, err;
|
|
int audio_mask;
|
|
|
|
#ifdef CONFIG_SND_DEBUG_VERBOSE
|
|
struct timeval my_tv1, my_tv2;
|
|
do_gettimeofday(&my_tv1);
|
|
#endif
|
|
audio_mask = (playback_mask | (capture_mask << PCXHR_PIPE_STATE_CAPTURE_OFFSET));
|
|
/* current pipe state (playback + record) */
|
|
state = pcxhr_pipes_running(mgr);
|
|
snd_printdd("pcxhr_set_pipe_state %s (mask %x current %x)\n",
|
|
start ? "START" : "STOP", audio_mask, state);
|
|
if (start) {
|
|
audio_mask &= ~state; /* start only pipes that are not yet started */
|
|
state = audio_mask;
|
|
for (i = 0; i < MAX_WAIT_FOR_DSP; i++) {
|
|
err = pcxhr_prepair_pipe_start(mgr, state, &state);
|
|
if (err)
|
|
return err;
|
|
if (state == 0)
|
|
break; /* success, all pipes prepaired for start */
|
|
mdelay(1); /* otherwise wait 1 millisecond and retry */
|
|
}
|
|
} else {
|
|
audio_mask &= state; /* stop only pipes that are started */
|
|
}
|
|
if (audio_mask == 0)
|
|
return 0;
|
|
|
|
err = pcxhr_toggle_pipes(mgr, audio_mask);
|
|
if (err)
|
|
return err;
|
|
|
|
i = 0;
|
|
while (1) {
|
|
state = pcxhr_pipes_running(mgr);
|
|
/* have all pipes the new state ? */
|
|
if ((state & audio_mask) == (start ? audio_mask : 0))
|
|
break;
|
|
if (++i >= MAX_WAIT_FOR_DSP * 100) {
|
|
snd_printk(KERN_ERR "error pipe start/stop (ED_NO_RESPONSE_AT_IRQA)\n");
|
|
return -EBUSY;
|
|
}
|
|
udelay(10); /* wait 10 microseconds */
|
|
}
|
|
if (!start) {
|
|
err = pcxhr_stop_pipes(mgr, audio_mask);
|
|
if (err)
|
|
return err;
|
|
}
|
|
#ifdef CONFIG_SND_DEBUG_VERBOSE
|
|
do_gettimeofday(&my_tv2);
|
|
snd_printdd("***SET PIPE STATE*** TIME = %ld (err = %x)\n",
|
|
(long)(my_tv2.tv_usec - my_tv1.tv_usec), err);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
int pcxhr_write_io_num_reg_cont(struct pcxhr_mgr *mgr, unsigned int mask,
|
|
unsigned int value, int *changed)
|
|
{
|
|
struct pcxhr_rmh rmh;
|
|
unsigned long flags;
|
|
int err;
|
|
|
|
spin_lock_irqsave(&mgr->msg_lock, flags);
|
|
if ((mgr->io_num_reg_cont & mask) == value) {
|
|
snd_printdd("IO_NUM_REG_CONT mask %x already is set to %x\n", mask, value);
|
|
if (changed)
|
|
*changed = 0;
|
|
spin_unlock_irqrestore(&mgr->msg_lock, flags);
|
|
return 0; /* already programmed */
|
|
}
|
|
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
|
|
rmh.cmd[0] |= IO_NUM_REG_CONT;
|
|
rmh.cmd[1] = mask;
|
|
rmh.cmd[2] = value;
|
|
rmh.cmd_len = 3;
|
|
err = pcxhr_send_msg_nolock(mgr, &rmh);
|
|
if (err == 0) {
|
|
mgr->io_num_reg_cont &= ~mask;
|
|
mgr->io_num_reg_cont |= value;
|
|
if (changed)
|
|
*changed = 1;
|
|
}
|
|
spin_unlock_irqrestore(&mgr->msg_lock, flags);
|
|
return err;
|
|
}
|
|
|
|
#define PCXHR_IRQ_TIMER 0x000300
|
|
#define PCXHR_IRQ_FREQ_CHANGE 0x000800
|
|
#define PCXHR_IRQ_TIME_CODE 0x001000
|
|
#define PCXHR_IRQ_NOTIFY 0x002000
|
|
#define PCXHR_IRQ_ASYNC 0x008000
|
|
#define PCXHR_IRQ_MASK 0x00bb00
|
|
#define PCXHR_FATAL_DSP_ERR 0xff0000
|
|
|
|
enum pcxhr_async_err_src {
|
|
PCXHR_ERR_PIPE,
|
|
PCXHR_ERR_STREAM,
|
|
PCXHR_ERR_AUDIO
|
|
};
|
|
|
|
static int pcxhr_handle_async_err(struct pcxhr_mgr *mgr, u32 err,
|
|
enum pcxhr_async_err_src err_src, int pipe,
|
|
int is_capture)
|
|
{
|
|
#ifdef CONFIG_SND_DEBUG_VERBOSE
|
|
static char* err_src_name[] = {
|
|
[PCXHR_ERR_PIPE] = "Pipe",
|
|
[PCXHR_ERR_STREAM] = "Stream",
|
|
[PCXHR_ERR_AUDIO] = "Audio"
|
|
};
|
|
#endif
|
|
if (err & 0xfff)
|
|
err &= 0xfff;
|
|
else
|
|
err = ((err >> 12) & 0xfff);
|
|
if (!err)
|
|
return 0;
|
|
snd_printdd("CMD_ASYNC : Error %s %s Pipe %d err=%x\n", err_src_name[err_src],
|
|
is_capture ? "Record" : "Play", pipe, err);
|
|
if (err == 0xe01)
|
|
mgr->async_err_stream_xrun++;
|
|
else if (err == 0xe10)
|
|
mgr->async_err_pipe_xrun++;
|
|
else
|
|
mgr->async_err_other_last = (int)err;
|
|
return 1;
|
|
}
|
|
|
|
|
|
void pcxhr_msg_tasklet(unsigned long arg)
|
|
{
|
|
struct pcxhr_mgr *mgr = (struct pcxhr_mgr *)(arg);
|
|
struct pcxhr_rmh *prmh = mgr->prmh;
|
|
int err;
|
|
int i, j;
|
|
|
|
if (mgr->src_it_dsp & PCXHR_IRQ_FREQ_CHANGE)
|
|
snd_printdd("TASKLET : PCXHR_IRQ_FREQ_CHANGE event occured\n");
|
|
if (mgr->src_it_dsp & PCXHR_IRQ_TIME_CODE)
|
|
snd_printdd("TASKLET : PCXHR_IRQ_TIME_CODE event occured\n");
|
|
if (mgr->src_it_dsp & PCXHR_IRQ_NOTIFY)
|
|
snd_printdd("TASKLET : PCXHR_IRQ_NOTIFY event occured\n");
|
|
if (mgr->src_it_dsp & PCXHR_IRQ_ASYNC) {
|
|
snd_printdd("TASKLET : PCXHR_IRQ_ASYNC event occured\n");
|
|
|
|
pcxhr_init_rmh(prmh, CMD_ASYNC);
|
|
prmh->cmd[0] |= 1; /* add SEL_ASYNC_EVENTS */
|
|
/* this is the only one extra long response command */
|
|
prmh->stat_len = PCXHR_SIZE_MAX_LONG_STATUS;
|
|
err = pcxhr_send_msg(mgr, prmh);
|
|
if (err)
|
|
snd_printk(KERN_ERR "ERROR pcxhr_msg_tasklet=%x;\n", err);
|
|
i = 1;
|
|
while (i < prmh->stat_len) {
|
|
int nb_audio = (prmh->stat[i] >> FIELD_SIZE) & MASK_FIRST_FIELD;
|
|
int nb_stream = (prmh->stat[i] >> (2*FIELD_SIZE)) & MASK_FIRST_FIELD;
|
|
int pipe = prmh->stat[i] & MASK_FIRST_FIELD;
|
|
int is_capture = prmh->stat[i] & 0x400000;
|
|
u32 err2;
|
|
|
|
if (prmh->stat[i] & 0x800000) { /* if BIT_END */
|
|
snd_printdd("TASKLET : End%sPipe %d\n",
|
|
is_capture ? "Record" : "Play", pipe);
|
|
}
|
|
i++;
|
|
err2 = prmh->stat[i] ? prmh->stat[i] : prmh->stat[i+1];
|
|
if (err2)
|
|
pcxhr_handle_async_err(mgr, err2,
|
|
PCXHR_ERR_PIPE,
|
|
pipe, is_capture);
|
|
i += 2;
|
|
for (j = 0; j < nb_stream; j++) {
|
|
err2 = prmh->stat[i] ?
|
|
prmh->stat[i] : prmh->stat[i+1];
|
|
if (err2)
|
|
pcxhr_handle_async_err(mgr, err2,
|
|
PCXHR_ERR_STREAM,
|
|
pipe,
|
|
is_capture);
|
|
i += 2;
|
|
}
|
|
for (j = 0; j < nb_audio; j++) {
|
|
err2 = prmh->stat[i] ?
|
|
prmh->stat[i] : prmh->stat[i+1];
|
|
if (err2)
|
|
pcxhr_handle_async_err(mgr, err2,
|
|
PCXHR_ERR_AUDIO,
|
|
pipe,
|
|
is_capture);
|
|
i += 2;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static u_int64_t pcxhr_stream_read_position(struct pcxhr_mgr *mgr,
|
|
struct pcxhr_stream *stream)
|
|
{
|
|
u_int64_t hw_sample_count;
|
|
struct pcxhr_rmh rmh;
|
|
int err, stream_mask;
|
|
|
|
stream_mask = stream->pipe->is_capture ? 1 : 1<<stream->substream->number;
|
|
|
|
/* get sample count for one stream */
|
|
pcxhr_init_rmh(&rmh, CMD_STREAM_SAMPLE_COUNT);
|
|
pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture,
|
|
stream->pipe->first_audio, 0, stream_mask);
|
|
/* rmh.stat_len = 2; */ /* 2 resp data for each stream of the pipe */
|
|
|
|
err = pcxhr_send_msg(mgr, &rmh);
|
|
if (err)
|
|
return 0;
|
|
|
|
hw_sample_count = ((u_int64_t)rmh.stat[0]) << 24;
|
|
hw_sample_count += (u_int64_t)rmh.stat[1];
|
|
|
|
snd_printdd("stream %c%d : abs samples real(%ld) timer(%ld)\n",
|
|
stream->pipe->is_capture ? 'C':'P', stream->substream->number,
|
|
(long unsigned int)hw_sample_count,
|
|
(long unsigned int)(stream->timer_abs_periods +
|
|
stream->timer_period_frag + PCXHR_GRANULARITY));
|
|
|
|
return hw_sample_count;
|
|
}
|
|
|
|
static void pcxhr_update_timer_pos(struct pcxhr_mgr *mgr,
|
|
struct pcxhr_stream *stream, int samples_to_add)
|
|
{
|
|
if (stream->substream && (stream->status == PCXHR_STREAM_STATUS_RUNNING)) {
|
|
u_int64_t new_sample_count;
|
|
int elapsed = 0;
|
|
int hardware_read = 0;
|
|
struct snd_pcm_runtime *runtime = stream->substream->runtime;
|
|
|
|
if (samples_to_add < 0) {
|
|
stream->timer_is_synced = 0;
|
|
/* add default if no hardware_read possible */
|
|
samples_to_add = PCXHR_GRANULARITY;
|
|
}
|
|
|
|
if (!stream->timer_is_synced) {
|
|
if (stream->timer_abs_periods != 0 ||
|
|
stream->timer_period_frag + PCXHR_GRANULARITY >=
|
|
runtime->period_size) {
|
|
new_sample_count = pcxhr_stream_read_position(mgr, stream);
|
|
hardware_read = 1;
|
|
if (new_sample_count >= PCXHR_GRANULARITY_MIN) {
|
|
/* sub security offset because of jitter and
|
|
* finer granularity of dsp time (MBOX4)
|
|
*/
|
|
new_sample_count -= PCXHR_GRANULARITY_MIN;
|
|
stream->timer_is_synced = 1;
|
|
}
|
|
}
|
|
}
|
|
if (!hardware_read) {
|
|
/* if we didn't try to sync the position, increment it
|
|
* by PCXHR_GRANULARITY every timer interrupt
|
|
*/
|
|
new_sample_count = stream->timer_abs_periods +
|
|
stream->timer_period_frag + samples_to_add;
|
|
}
|
|
while (1) {
|
|
u_int64_t new_elapse_pos = stream->timer_abs_periods +
|
|
runtime->period_size;
|
|
if (new_elapse_pos > new_sample_count)
|
|
break;
|
|
elapsed = 1;
|
|
stream->timer_buf_periods++;
|
|
if (stream->timer_buf_periods >= runtime->periods)
|
|
stream->timer_buf_periods = 0;
|
|
stream->timer_abs_periods = new_elapse_pos;
|
|
}
|
|
if (new_sample_count >= stream->timer_abs_periods)
|
|
stream->timer_period_frag = (u_int32_t)(new_sample_count -
|
|
stream->timer_abs_periods);
|
|
else
|
|
snd_printk(KERN_ERR "ERROR new_sample_count too small ??? %lx\n",
|
|
(long unsigned int)new_sample_count);
|
|
|
|
if (elapsed) {
|
|
spin_unlock(&mgr->lock);
|
|
snd_pcm_period_elapsed(stream->substream);
|
|
spin_lock(&mgr->lock);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
irqreturn_t pcxhr_interrupt(int irq, void *dev_id)
|
|
{
|
|
struct pcxhr_mgr *mgr = dev_id;
|
|
unsigned int reg;
|
|
int i, j;
|
|
struct snd_pcxhr *chip;
|
|
|
|
spin_lock(&mgr->lock);
|
|
|
|
reg = PCXHR_INPL(mgr, PCXHR_PLX_IRQCS);
|
|
if (! (reg & PCXHR_IRQCS_ACTIVE_PCIDB)) {
|
|
spin_unlock(&mgr->lock);
|
|
return IRQ_NONE; /* this device did not cause the interrupt */
|
|
}
|
|
|
|
/* clear interrupt */
|
|
reg = PCXHR_INPL(mgr, PCXHR_PLX_L2PCIDB);
|
|
PCXHR_OUTPL(mgr, PCXHR_PLX_L2PCIDB, reg);
|
|
|
|
/* timer irq occured */
|
|
if (reg & PCXHR_IRQ_TIMER) {
|
|
int timer_toggle = reg & PCXHR_IRQ_TIMER;
|
|
/* is a 24 bit counter */
|
|
int dsp_time_new = PCXHR_INPL(mgr, PCXHR_PLX_MBOX4) & PCXHR_DSP_TIME_MASK;
|
|
int dsp_time_diff = dsp_time_new - mgr->dsp_time_last;
|
|
|
|
if (dsp_time_diff < 0 && mgr->dsp_time_last != PCXHR_DSP_TIME_INVALID) {
|
|
snd_printdd("ERROR DSP TIME old(%d) new(%d) -> "
|
|
"resynchronize all streams\n",
|
|
mgr->dsp_time_last, dsp_time_new);
|
|
mgr->dsp_time_err++;
|
|
}
|
|
#ifdef CONFIG_SND_DEBUG_VERBOSE
|
|
if (dsp_time_diff == 0)
|
|
snd_printdd("ERROR DSP TIME NO DIFF time(%d)\n", dsp_time_new);
|
|
else if (dsp_time_diff >= (2*PCXHR_GRANULARITY))
|
|
snd_printdd("ERROR DSP TIME TOO BIG old(%d) add(%d)\n",
|
|
mgr->dsp_time_last, dsp_time_new - mgr->dsp_time_last);
|
|
#endif
|
|
mgr->dsp_time_last = dsp_time_new;
|
|
|
|
if (timer_toggle == mgr->timer_toggle)
|
|
snd_printdd("ERROR TIMER TOGGLE\n");
|
|
mgr->timer_toggle = timer_toggle;
|
|
|
|
reg &= ~PCXHR_IRQ_TIMER;
|
|
for (i = 0; i < mgr->num_cards; i++) {
|
|
chip = mgr->chip[i];
|
|
for (j = 0; j < chip->nb_streams_capt; j++)
|
|
pcxhr_update_timer_pos(mgr, &chip->capture_stream[j],
|
|
dsp_time_diff);
|
|
}
|
|
for (i = 0; i < mgr->num_cards; i++) {
|
|
chip = mgr->chip[i];
|
|
for (j = 0; j < chip->nb_streams_play; j++)
|
|
pcxhr_update_timer_pos(mgr, &chip->playback_stream[j],
|
|
dsp_time_diff);
|
|
}
|
|
}
|
|
/* other irq's handled in the tasklet */
|
|
if (reg & PCXHR_IRQ_MASK) {
|
|
|
|
/* as we didn't request any notifications, some kind of xrun error
|
|
* will probably occured
|
|
*/
|
|
/* better resynchronize all streams next interrupt : */
|
|
mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID;
|
|
|
|
mgr->src_it_dsp = reg;
|
|
tasklet_hi_schedule(&mgr->msg_taskq);
|
|
}
|
|
#ifdef CONFIG_SND_DEBUG_VERBOSE
|
|
if (reg & PCXHR_FATAL_DSP_ERR)
|
|
snd_printdd("FATAL DSP ERROR : %x\n", reg);
|
|
#endif
|
|
spin_unlock(&mgr->lock);
|
|
return IRQ_HANDLED; /* this device caused the interrupt */
|
|
}
|