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linuxdebug/sound/pci/riptide/riptide.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for the Conexant Riptide Soundchip
*
* Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
*/
/*
History:
- 02/15/2004 first release
This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
credits from the original files:
MODULE NAME: cnxt_rt.h
AUTHOR: K. Lazarev (Transcribed by KNL)
HISTORY: Major Revision Date By
----------------------------- -------- -----
Created 02/1/2000 KNL
MODULE NAME: int_mdl.c
AUTHOR: Konstantin Lazarev (Transcribed by KNL)
HISTORY: Major Revision Date By
----------------------------- -------- -----
Created 10/01/99 KNL
MODULE NAME: riptide.h
AUTHOR: O. Druzhinin (Transcribed by OLD)
HISTORY: Major Revision Date By
----------------------------- -------- -----
Created 10/16/97 OLD
MODULE NAME: Rp_Cmdif.cpp
AUTHOR: O. Druzhinin (Transcribed by OLD)
K. Lazarev (Transcribed by KNL)
HISTORY: Major Revision Date By
----------------------------- -------- -----
Adopted from NT4 driver 6/22/99 OLD
Ported to Linux 9/01/99 KNL
MODULE NAME: rt_hw.c
AUTHOR: O. Druzhinin (Transcribed by OLD)
C. Lazarev (Transcribed by CNL)
HISTORY: Major Revision Date By
----------------------------- -------- -----
Created 11/18/97 OLD
Hardware functions for RipTide 11/24/97 CNL
(ES1) are coded
Hardware functions for RipTide 12/24/97 CNL
(A0) are coded
Hardware functions for RipTide 03/20/98 CNL
(A1) are coded
Boot loader is included 05/07/98 CNL
Redesigned for WDM 07/27/98 CNL
Redesigned for Linux 09/01/99 CNL
MODULE NAME: rt_hw.h
AUTHOR: C. Lazarev (Transcribed by CNL)
HISTORY: Major Revision Date By
----------------------------- -------- -----
Created 11/18/97 CNL
MODULE NAME: rt_mdl.c
AUTHOR: Konstantin Lazarev (Transcribed by KNL)
HISTORY: Major Revision Date By
----------------------------- -------- -----
Created 10/01/99 KNL
MODULE NAME: mixer.h
AUTHOR: K. Kenney
HISTORY: Major Revision Date By
----------------------------- -------- -----
Created from MS W95 Sample 11/28/95 KRS
RipTide 10/15/97 KRS
Adopted for Windows NT driver 01/20/98 CNL
*/
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/wait.h>
#include <linux/gameport.h>
#include <linux/device.h>
#include <linux/firmware.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/io.h>
#include <sound/core.h>
#include <sound/info.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/ac97_codec.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>
#include <sound/initval.h>
#if IS_REACHABLE(CONFIG_GAMEPORT)
#define SUPPORT_JOYSTICK 1
#endif
MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
MODULE_DESCRIPTION("riptide");
MODULE_LICENSE("GPL");
MODULE_FIRMWARE("riptide.hex");
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
#ifdef SUPPORT_JOYSTICK
static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
#endif
static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
#ifdef SUPPORT_JOYSTICK
module_param_hw_array(joystick_port, int, ioport, NULL, 0444);
MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
#endif
module_param_hw_array(mpu_port, int, ioport, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
module_param_hw_array(opl3_port, int, ioport, NULL, 0444);
MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
/*
*/
#define MPU401_HW_RIPTIDE MPU401_HW_MPU401
#define OPL3_HW_RIPTIDE OPL3_HW_OPL3
#define PCI_EXT_CapId 0x40
#define PCI_EXT_NextCapPrt 0x41
#define PCI_EXT_PWMC 0x42
#define PCI_EXT_PWSCR 0x44
#define PCI_EXT_Data00 0x46
#define PCI_EXT_PMSCR_BSE 0x47
#define PCI_EXT_SB_Base 0x48
#define PCI_EXT_FM_Base 0x4a
#define PCI_EXT_MPU_Base 0x4C
#define PCI_EXT_Game_Base 0x4E
#define PCI_EXT_Legacy_Mask 0x50
#define PCI_EXT_AsicRev 0x52
#define PCI_EXT_Reserved3 0x53
#define LEGACY_ENABLE_ALL 0x8000 /* legacy device options */
#define LEGACY_ENABLE_SB 0x4000
#define LEGACY_ENABLE_FM 0x2000
#define LEGACY_ENABLE_MPU_INT 0x1000
#define LEGACY_ENABLE_MPU 0x0800
#define LEGACY_ENABLE_GAMEPORT 0x0400
#define MAX_WRITE_RETRY 10 /* cmd interface limits */
#define MAX_ERROR_COUNT 10
#define CMDIF_TIMEOUT 50000
#define RESET_TRIES 5
#define READ_PORT_ULONG(p) inl((unsigned long)&(p))
#define WRITE_PORT_ULONG(p,x) outl(x,(unsigned long)&(p))
#define READ_AUDIO_CONTROL(p) READ_PORT_ULONG(p->audio_control)
#define WRITE_AUDIO_CONTROL(p,x) WRITE_PORT_ULONG(p->audio_control,x)
#define UMASK_AUDIO_CONTROL(p,x) WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
#define MASK_AUDIO_CONTROL(p,x) WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
#define READ_AUDIO_STATUS(p) READ_PORT_ULONG(p->audio_status)
#define SET_GRESET(p) UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
#define UNSET_GRESET(p) MASK_AUDIO_CONTROL(p,~0x0001)
#define SET_AIE(p) UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
#define UNSET_AIE(p) MASK_AUDIO_CONTROL(p,~0x0004)
#define SET_AIACK(p) UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
#define UNSET_AIACKT(p) MASKAUDIO_CONTROL(p,~0x0008)
#define SET_ECMDAE(p) UMASK_AUDIO_CONTROL(p,0x0010)
#define UNSET_ECMDAE(p) MASK_AUDIO_CONTROL(p,~0x0010)
#define SET_ECMDBE(p) UMASK_AUDIO_CONTROL(p,0x0020)
#define UNSET_ECMDBE(p) MASK_AUDIO_CONTROL(p,~0x0020)
#define SET_EDATAF(p) UMASK_AUDIO_CONTROL(p,0x0040)
#define UNSET_EDATAF(p) MASK_AUDIO_CONTROL(p,~0x0040)
#define SET_EDATBF(p) UMASK_AUDIO_CONTROL(p,0x0080)
#define UNSET_EDATBF(p) MASK_AUDIO_CONTROL(p,~0x0080)
#define SET_ESBIRQON(p) UMASK_AUDIO_CONTROL(p,0x0100)
#define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
#define SET_EMPUIRQ(p) UMASK_AUDIO_CONTROL(p,0x0200)
#define UNSET_EMPUIRQ(p) MASK_AUDIO_CONTROL(p,~0x0200)
#define IS_CMDE(a) (READ_PORT_ULONG(a->stat)&0x1) /* cmd empty */
#define IS_DATF(a) (READ_PORT_ULONG(a->stat)&0x2) /* data filled */
#define IS_READY(p) (READ_AUDIO_STATUS(p)&0x0001)
#define IS_DLREADY(p) (READ_AUDIO_STATUS(p)&0x0002)
#define IS_DLERR(p) (READ_AUDIO_STATUS(p)&0x0004)
#define IS_GERR(p) (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
#define IS_CMDAEIRQ(p) (READ_AUDIO_STATUS(p)&0x0010)
#define IS_CMDBEIRQ(p) (READ_AUDIO_STATUS(p)&0x0020)
#define IS_DATAFIRQ(p) (READ_AUDIO_STATUS(p)&0x0040)
#define IS_DATBFIRQ(p) (READ_AUDIO_STATUS(p)&0x0080)
#define IS_EOBIRQ(p) (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
#define IS_EOSIRQ(p) (READ_AUDIO_STATUS(p)&0x0200)
#define IS_EOCIRQ(p) (READ_AUDIO_STATUS(p)&0x0400)
#define IS_UNSLIRQ(p) (READ_AUDIO_STATUS(p)&0x0800)
#define IS_SBIRQ(p) (READ_AUDIO_STATUS(p)&0x1000)
#define IS_MPUIRQ(p) (READ_AUDIO_STATUS(p)&0x2000)
#define RESP 0x00000001 /* command flags */
#define PARM 0x00000002
#define CMDA 0x00000004
#define CMDB 0x00000008
#define NILL 0x00000000
#define LONG0(a) ((u32)a) /* shifts and masks */
#define BYTE0(a) (LONG0(a)&0xff)
#define BYTE1(a) (BYTE0(a)<<8)
#define BYTE2(a) (BYTE0(a)<<16)
#define BYTE3(a) (BYTE0(a)<<24)
#define WORD0(a) (LONG0(a)&0xffff)
#define WORD1(a) (WORD0(a)<<8)
#define WORD2(a) (WORD0(a)<<16)
#define TRINIB0(a) (LONG0(a)&0xffffff)
#define TRINIB1(a) (TRINIB0(a)<<8)
#define RET(a) ((union cmdret *)(a))
#define SEND_GETV(p,b) sendcmd(p,RESP,GETV,0,RET(b)) /* get version */
#define SEND_GETC(p,b,c) sendcmd(p,PARM|RESP,GETC,c,RET(b))
#define SEND_GUNS(p,b) sendcmd(p,RESP,GUNS,0,RET(b))
#define SEND_SCID(p,b) sendcmd(p,RESP,SCID,0,RET(b))
#define SEND_RMEM(p,b,c,d) sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d)) /* memory access for firmware write */
#define SEND_SMEM(p,b,c) sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0)) /* memory access for firmware write */
#define SEND_WMEM(p,b,c) sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0)) /* memory access for firmware write */
#define SEND_SDTM(p,b,c) sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c)) /* memory access for firmware write */
#define SEND_GOTO(p,b) sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
#define SEND_SETDPLL(p) sendcmd(p,0,ARM_SETDPLL,0,RET(0))
#define SEND_SSTR(p,b,c) sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0)) /* start stream */
#define SEND_PSTR(p,b) sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
#define SEND_KSTR(p,b) sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
#define SEND_KDMA(p) sendcmd(p,0,KDMA,0,RET(0)) /* stop all dma */
#define SEND_GPOS(p,b,c,d) sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d)) /* get position in dma */
#define SEND_SETF(p,b,c,d,e,f,g) sendcmd(p,PARM,SETF|WORD1(b)|BYTE3(c),d|BYTE1(e)|BYTE2(f)|BYTE3(g),RET(0)) /* set sample format at mixer */
#define SEND_GSTS(p,b,c,d) sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
#define SEND_NGPOS(p,b,c,d) sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
#define SEND_PSEL(p,b,c) sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0)) /* activate lbus path */
#define SEND_PCLR(p,b,c) sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0)) /* deactivate lbus path */
#define SEND_PLST(p,b) sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
#define SEND_RSSV(p,b,c,d) sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
#define SEND_LSEL(p,b,c,d,e,f,g,h) sendcmd(p,PARM,LSEL|BYTE1(b)|BYTE2(c)|BYTE3(d),BYTE0(e)|BYTE1(f)|BYTE2(g)|BYTE3(h),RET(0)) /* select paths for internal connections */
#define SEND_SSRC(p,b,c,d,e) sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0)) /* configure source */
#define SEND_SLST(p,b) sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
#define SEND_RSRC(p,b,c) sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c)) /* read source config */
#define SEND_SSRB(p,b,c) sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
#define SEND_SDGV(p,b,c,d,e) sendcmd(p,PARM,SDGV|BYTE2(b)|BYTE3(c),WORD0(d)|WORD2(e),RET(0)) /* set digital mixer */
#define SEND_RDGV(p,b,c,d) sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
#define SEND_DLST(p,b) sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
#define SEND_SACR(p,b,c) sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0)) /* set AC97 register */
#define SEND_RACR(p,b,c) sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c)) /* get AC97 register */
#define SEND_ALST(p,b) sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
#define SEND_TXAC(p,b,c,d,e,f) sendcmd(p,PARM,TXAC|BYTE1(b)|WORD2(c),WORD0(d)|BYTE2(e)|BYTE3(f),RET(0))
#define SEND_RXAC(p,b,c,d) sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
#define SEND_SI2S(p,b) sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
#define EOB_STATUS 0x80000000 /* status flags : block boundary */
#define EOS_STATUS 0x40000000 /* : stoppped */
#define EOC_STATUS 0x20000000 /* : stream end */
#define ERR_STATUS 0x10000000
#define EMPTY_STATUS 0x08000000
#define IEOB_ENABLE 0x1 /* enable interrupts for status notification above */
#define IEOS_ENABLE 0x2
#define IEOC_ENABLE 0x4
#define RDONCE 0x8
#define DESC_MAX_MASK 0xff
#define ST_PLAY 0x1 /* stream states */
#define ST_STOP 0x2
#define ST_PAUSE 0x4
#define I2S_INTDEC 3 /* config for I2S link */
#define I2S_MERGER 0
#define I2S_SPLITTER 0
#define I2S_MIXER 7
#define I2S_RATE 44100
#define MODEM_INTDEC 4 /* config for modem link */
#define MODEM_MERGER 3
#define MODEM_SPLITTER 0
#define MODEM_MIXER 11
#define FM_INTDEC 3 /* config for FM/OPL3 link */
#define FM_MERGER 0
#define FM_SPLITTER 0
#define FM_MIXER 9
#define SPLIT_PATH 0x80 /* path splitting flag */
enum FIRMWARE {
DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
EXT_LIN_ADDR_REC,
};
enum CMDS {
GETV = 0x00, GETC, GUNS, SCID, RMEM =
0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
0x70, ARM_SETDPLL = 0x72,
};
enum E1SOURCE {
ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
};
enum E2SINK {
LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
};
enum LBUS_SINK {
LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
};
enum RT_CHANNEL_IDS {
M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
CHANNEL_ID_COUNTER
};
enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
struct lbuspath {
const unsigned char *noconv;
const unsigned char *stereo;
const unsigned char *mono;
};
struct cmdport {
u32 data1; /* cmd,param */
u32 data2; /* param */
u32 stat; /* status */
u32 pad[5];
};
struct riptideport {
u32 audio_control; /* status registers */
u32 audio_status;
u32 pad[2];
struct cmdport port[2]; /* command ports */
};
struct cmdif {
struct riptideport *hwport;
spinlock_t lock;
unsigned int cmdcnt; /* cmd statistics */
unsigned int cmdtime;
unsigned int cmdtimemax;
unsigned int cmdtimemin;
unsigned int errcnt;
int is_reset;
};
struct riptide_firmware {
u16 ASIC;
u16 CODEC;
u16 AUXDSP;
u16 PROG;
};
union cmdret {
u8 retbytes[8];
u16 retwords[4];
u32 retlongs[2];
};
union firmware_version {
union cmdret ret;
struct riptide_firmware firmware;
};
#define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
#define PLAYBACK_SUBSTREAMS 3
struct snd_riptide {
struct snd_card *card;
struct pci_dev *pci;
const struct firmware *fw_entry;
struct cmdif *cif;
struct snd_pcm *pcm;
struct snd_pcm *pcm_i2s;
struct snd_rawmidi *rmidi;
struct snd_opl3 *opl3;
struct snd_ac97 *ac97;
struct snd_ac97_bus *ac97_bus;
struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
struct snd_pcm_substream *capture_substream;
int openstreams;
int irq;
unsigned long port;
unsigned short mpuaddr;
unsigned short opladdr;
#ifdef SUPPORT_JOYSTICK
unsigned short gameaddr;
#endif
struct resource *res_port;
unsigned short device_id;
union firmware_version firmware;
spinlock_t lock;
struct snd_info_entry *proc_entry;
unsigned long received_irqs;
unsigned long handled_irqs;
#ifdef CONFIG_PM_SLEEP
int in_suspend;
#endif
};
struct sgd { /* scatter gather desriptor */
__le32 dwNextLink;
__le32 dwSegPtrPhys;
__le32 dwSegLen;
__le32 dwStat_Ctl;
};
struct pcmhw { /* pcm descriptor */
struct lbuspath paths;
const unsigned char *lbuspath;
unsigned char source;
unsigned char intdec[2];
unsigned char mixer;
unsigned char id;
unsigned char state;
unsigned int rate;
unsigned int channels;
snd_pcm_format_t format;
struct snd_dma_buffer sgdlist;
struct sgd *sgdbuf;
unsigned int size;
unsigned int pages;
unsigned int oldpos;
unsigned int pointer;
};
#define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
union cmdret *ret);
static int getsourcesink(struct cmdif *cif, unsigned char source,
unsigned char sink, unsigned char *a,
unsigned char *b);
static int snd_riptide_initialize(struct snd_riptide *chip);
static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
/*
*/
static const struct pci_device_id snd_riptide_ids[] = {
{ PCI_DEVICE(0x127a, 0x4310) },
{ PCI_DEVICE(0x127a, 0x4320) },
{ PCI_DEVICE(0x127a, 0x4330) },
{ PCI_DEVICE(0x127a, 0x4340) },
{0,},
};
#ifdef SUPPORT_JOYSTICK
static const struct pci_device_id snd_riptide_joystick_ids[] = {
{ PCI_DEVICE(0x127a, 0x4312) },
{ PCI_DEVICE(0x127a, 0x4322) },
{ PCI_DEVICE(0x127a, 0x4332) },
{ PCI_DEVICE(0x127a, 0x4342) },
{0,},
};
#endif
MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
/*
*/
static const unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
LS_NONE2},
{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
LS_NONE2},
{INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
{INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
{INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
{INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
LS_SRC_INTERPOLATORM},
{INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
LS_SRC_INTERPOLATORM},
{INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
LS_SRC_INTERPOLATORM},
{DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
{DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
{DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
LS_NONE2},
{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
{GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
LS_MIXER_GAIN_FUNCTION},
{GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
LS_MIXER_GAIN_FUNCTION},
{GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
{SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
{SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
{MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
{MERGER1_OUT, LS_SRC_MERGER},
{MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
{MERGER2_OUT, LS_SRC_MERGER},
{MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
LS_NONE2},
};
static const unsigned char lbus_play_opl3[] = {
DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
};
static const unsigned char lbus_play_modem[] = {
DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
};
static const unsigned char lbus_play_i2s[] = {
INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
};
static const unsigned char lbus_play_out[] = {
PDAC2ACLNK, 0xff
};
static const unsigned char lbus_play_outhp[] = {
HNDSPK2ACLNK, 0xff
};
static const unsigned char lbus_play_noconv1[] = {
DIGITAL_MIXER_IN0, 0xff
};
static const unsigned char lbus_play_stereo1[] = {
INTER0_IN, DIGITAL_MIXER_IN0, 0xff
};
static const unsigned char lbus_play_mono1[] = {
INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
};
static const unsigned char lbus_play_noconv2[] = {
DIGITAL_MIXER_IN1, 0xff
};
static const unsigned char lbus_play_stereo2[] = {
INTER1_IN, DIGITAL_MIXER_IN1, 0xff
};
static const unsigned char lbus_play_mono2[] = {
INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
};
static const unsigned char lbus_play_noconv3[] = {
DIGITAL_MIXER_IN2, 0xff
};
static const unsigned char lbus_play_stereo3[] = {
INTER2_IN, DIGITAL_MIXER_IN2, 0xff
};
static const unsigned char lbus_play_mono3[] = {
INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
};
static const unsigned char lbus_rec_noconv1[] = {
LBUS2ARM_FIFO5, 0xff
};
static const unsigned char lbus_rec_stereo1[] = {
DECIM0_IN, LBUS2ARM_FIFO5, 0xff
};
static const unsigned char lbus_rec_mono1[] = {
DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
};
static const unsigned char play_ids[] = { 4, 1, 2, };
static const unsigned char play_sources[] = {
ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
};
static const struct lbuspath lbus_play_paths[] = {
{
.noconv = lbus_play_noconv1,
.stereo = lbus_play_stereo1,
.mono = lbus_play_mono1,
},
{
.noconv = lbus_play_noconv2,
.stereo = lbus_play_stereo2,
.mono = lbus_play_mono2,
},
{
.noconv = lbus_play_noconv3,
.stereo = lbus_play_stereo3,
.mono = lbus_play_mono3,
},
};
static const struct lbuspath lbus_rec_path = {
.noconv = lbus_rec_noconv1,
.stereo = lbus_rec_stereo1,
.mono = lbus_rec_mono1,
};
#define FIRMWARE_VERSIONS 1
static union firmware_version firmware_versions[] = {
{
.firmware = {
.ASIC = 3,
.CODEC = 2,
.AUXDSP = 3,
.PROG = 773,
},
},
};
static u32 atoh(const unsigned char *in, unsigned int len)
{
u32 sum = 0;
unsigned int mult = 1;
unsigned char c;
while (len) {
int value;
c = in[len - 1];
value = hex_to_bin(c);
if (value >= 0)
sum += mult * value;
mult *= 16;
--len;
}
return sum;
}
static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
{
u32 addr;
u32 data;
u32 i;
const unsigned char *p;
i = atoh(&in[1], 2);
addr = offset + atoh(&in[3], 4);
if (SEND_SMEM(cif, 0, addr) != 0)
return -EACCES;
p = in + 9;
while (i) {
data = atoh(p, 8);
if (SEND_WMEM(cif, 2,
((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
>> 4)))
return -EACCES;
i -= 4;
p += 8;
}
return 0;
}
static int loadfirmware(struct cmdif *cif, const unsigned char *img,
unsigned int size)
{
const unsigned char *in;
u32 laddr, saddr, t, val;
int err = 0;
laddr = saddr = 0;
while (size > 0 && err == 0) {
in = img;
if (in[0] == ':') {
t = atoh(&in[7], 2);
switch (t) {
case DATA_REC:
err = senddata(cif, in, laddr + saddr);
break;
case EXT_SEG_ADDR_REC:
saddr = atoh(&in[9], 4) << 4;
break;
case EXT_LIN_ADDR_REC:
laddr = atoh(&in[9], 4) << 16;
break;
case EXT_GOTO_CMD_REC:
val = atoh(&in[9], 8);
if (SEND_GOTO(cif, val) != 0)
err = -EACCES;
break;
case EXT_END_OF_FILE:
size = 0;
break;
default:
break;
}
while (size > 0) {
size--;
if (*img++ == '\n')
break;
}
}
}
snd_printdd("load firmware return %d\n", err);
return err;
}
static void
alloclbuspath(struct cmdif *cif, unsigned char source,
const unsigned char *path, unsigned char *mixer, unsigned char *s)
{
while (*path != 0xff) {
unsigned char sink, type;
sink = *path & (~SPLIT_PATH);
if (sink != E2SINK_MAX) {
snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
SEND_PSEL(cif, source, sink);
source = lbusin2out[sink][0];
type = lbusin2out[sink][1];
if (type == LS_MIXER_IN) {
if (mixer)
*mixer = sink - DIGITAL_MIXER_IN0;
}
if (type == LS_SRC_DECIMATORM ||
type == LS_SRC_DECIMATOR ||
type == LS_SRC_INTERPOLATORM ||
type == LS_SRC_INTERPOLATOR) {
if (s) {
if (s[0] != 0xff)
s[1] = sink;
else
s[0] = sink;
}
}
}
if (*path++ & SPLIT_PATH) {
const unsigned char *npath = path;
while (*npath != 0xff)
npath++;
alloclbuspath(cif, source + 1, ++npath, mixer, s);
}
}
}
static void
freelbuspath(struct cmdif *cif, unsigned char source, const unsigned char *path)
{
while (*path != 0xff) {
unsigned char sink;
sink = *path & (~SPLIT_PATH);
if (sink != E2SINK_MAX) {
snd_printdd("free path 0x%x->0x%x\n", source, sink);
SEND_PCLR(cif, source, sink);
source = lbusin2out[sink][0];
}
if (*path++ & SPLIT_PATH) {
const unsigned char *npath = path;
while (*npath != 0xff)
npath++;
freelbuspath(cif, source + 1, ++npath);
}
}
}
static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
{
union cmdret rptr = CMDRET_ZERO;
unsigned int i = MAX_WRITE_RETRY;
int flag = 1;
SEND_RMEM(cif, 0x02, addr, &rptr);
rptr.retlongs[0] &= (~mask);
while (--i) {
SEND_SMEM(cif, 0x01, addr);
SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
SEND_RMEM(cif, 0x02, addr, &rptr);
if ((rptr.retlongs[0] & data) == data) {
flag = 0;
break;
} else
rptr.retlongs[0] &= ~mask;
}
snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
flag);
return flag;
}
static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
union cmdret *ret)
{
int i, j;
int err;
unsigned int time = 0;
unsigned long irqflags;
struct riptideport *hwport;
struct cmdport *cmdport = NULL;
if (snd_BUG_ON(!cif))
return -EINVAL;
hwport = cif->hwport;
if (cif->errcnt > MAX_ERROR_COUNT) {
if (cif->is_reset) {
snd_printk(KERN_ERR
"Riptide: Too many failed cmds, reinitializing\n");
if (riptide_reset(cif, NULL) == 0) {
cif->errcnt = 0;
return -EIO;
}
}
snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
return -EINVAL;
}
if (ret) {
ret->retlongs[0] = 0;
ret->retlongs[1] = 0;
}
i = 0;
spin_lock_irqsave(&cif->lock, irqflags);
while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
udelay(10);
if (i > CMDIF_TIMEOUT) {
err = -EBUSY;
goto errout;
}
err = 0;
for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
cmdport = &(hwport->port[j % 2]);
if (IS_DATF(cmdport)) { /* free pending data */
READ_PORT_ULONG(cmdport->data1);
READ_PORT_ULONG(cmdport->data2);
}
if (IS_CMDE(cmdport)) {
if (flags & PARM) /* put data */
WRITE_PORT_ULONG(cmdport->data2, parm);
WRITE_PORT_ULONG(cmdport->data1, cmd); /* write cmd */
if ((flags & RESP) && ret) {
while (!IS_DATF(cmdport) &&
time < CMDIF_TIMEOUT) {
udelay(10);
time++;
}
if (time < CMDIF_TIMEOUT) { /* read response */
ret->retlongs[0] =
READ_PORT_ULONG(cmdport->data1);
ret->retlongs[1] =
READ_PORT_ULONG(cmdport->data2);
} else {
err = -ENOSYS;
goto errout;
}
}
break;
}
udelay(20);
}
if (time == CMDIF_TIMEOUT) {
err = -ENODATA;
goto errout;
}
spin_unlock_irqrestore(&cif->lock, irqflags);
cif->cmdcnt++; /* update command statistics */
cif->cmdtime += time;
if (time > cif->cmdtimemax)
cif->cmdtimemax = time;
if (time < cif->cmdtimemin)
cif->cmdtimemin = time;
if ((cif->cmdcnt) % 1000 == 0)
snd_printdd
("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
cif->cmdtimemax, cif->errcnt);
return 0;
errout:
cif->errcnt++;
spin_unlock_irqrestore(&cif->lock, irqflags);
snd_printdd
("send cmd %d hw: 0x%x flag: 0x%x cmd: 0x%x parm: 0x%x ret: 0x%x 0x%x CMDE: %d DATF: %d failed %d\n",
cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
flags, cmd, parm, ret ? ret->retlongs[0] : 0,
ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
err);
return err;
}
static int
setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
{
union cmdret rptr = CMDRET_ZERO;
int i = 0;
snd_printdd("sent mixer %d: 0x%x 0x%x\n", num, rval, lval);
do {
SEND_SDGV(cif, num, num, rval, lval);
SEND_RDGV(cif, num, num, &rptr);
if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
return 0;
} while (i++ < MAX_WRITE_RETRY);
snd_printdd("sent mixer failed\n");
return -EIO;
}
static int getpaths(struct cmdif *cif, unsigned char *o)
{
unsigned char src[E2SINK_MAX];
unsigned char sink[E2SINK_MAX];
int i, j = 0;
for (i = 0; i < E2SINK_MAX; i++) {
getsourcesink(cif, i, i, &src[i], &sink[i]);
if (sink[i] < E2SINK_MAX) {
o[j++] = sink[i];
o[j++] = i;
}
}
return j;
}
static int
getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
unsigned char *a, unsigned char *b)
{
union cmdret rptr = CMDRET_ZERO;
if (SEND_RSSV(cif, source, sink, &rptr) &&
SEND_RSSV(cif, source, sink, &rptr))
return -EIO;
*a = rptr.retbytes[0];
*b = rptr.retbytes[1];
snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
return 0;
}
static int
getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
{
unsigned char *s;
unsigned int p[2] = { 0, 0 };
int i;
union cmdret rptr = CMDRET_ZERO;
s = intdec;
for (i = 0; i < 2; i++) {
if (*s != 0xff) {
if (SEND_RSRC(cif, *s, &rptr) &&
SEND_RSRC(cif, *s, &rptr))
return -EIO;
p[i] += rptr.retwords[1];
p[i] *= rptr.retwords[2];
p[i] += rptr.retwords[3];
p[i] /= 65536;
}
s++;
}
if (p[0]) {
if (p[1] != p[0])
snd_printdd("rates differ %d %d\n", p[0], p[1]);
*rate = (unsigned int)p[0];
} else
*rate = (unsigned int)p[1];
snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
return 0;
}
static int
setsampleformat(struct cmdif *cif,
unsigned char mixer, unsigned char id,
unsigned char channels, snd_pcm_format_t format)
{
unsigned char w, ch, sig, order;
snd_printdd
("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
mixer, id, channels, format);
ch = channels == 1;
w = snd_pcm_format_width(format) == 8;
sig = snd_pcm_format_unsigned(format) != 0;
order = snd_pcm_format_big_endian(format) != 0;
if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
snd_printdd("setsampleformat failed\n");
return -EIO;
}
return 0;
}
static int
setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
{
u32 D, M, N;
union cmdret rptr = CMDRET_ZERO;
int i;
snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
intdec[1], rate);
D = 48000;
M = ((rate == 48000) ? 47999 : rate) * 65536;
N = M % D;
M /= D;
for (i = 0; i < 2; i++) {
if (*intdec != 0xff) {
do {
SEND_SSRC(cif, *intdec, D, M, N);
SEND_RSRC(cif, *intdec, &rptr);
} while (rptr.retwords[1] != D &&
rptr.retwords[2] != M &&
rptr.retwords[3] != N &&
i++ < MAX_WRITE_RETRY);
if (i > MAX_WRITE_RETRY) {
snd_printdd("sent samplerate %d: %d failed\n",
*intdec, rate);
return -EIO;
}
}
intdec++;
}
return 0;
}
static int
getmixer(struct cmdif *cif, short num, unsigned short *rval,
unsigned short *lval)
{
union cmdret rptr = CMDRET_ZERO;
if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
return -EIO;
*rval = rptr.retwords[0];
*lval = rptr.retwords[1];
snd_printdd("got mixer %d: 0x%x 0x%x\n", num, *rval, *lval);
return 0;
}
static irqreturn_t riptide_handleirq(int irq, void *dev_id)
{
struct snd_riptide *chip = dev_id;
struct cmdif *cif = chip->cif;
struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
struct snd_pcm_runtime *runtime;
struct pcmhw *data = NULL;
unsigned int pos, period_bytes;
struct sgd *c;
int i, j;
unsigned int flag;
if (!cif)
return IRQ_HANDLED;
for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
substream[i] = chip->playback_substream[i];
substream[i] = chip->capture_substream;
for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
if (!substream[i])
continue;
runtime = substream[i]->runtime;
if (!runtime)
continue;
data = runtime->private_data;
if (!data)
continue;
if (data->state != ST_STOP) {
pos = 0;
for (j = 0; j < data->pages; j++) {
c = &data->sgdbuf[j];
flag = le32_to_cpu(c->dwStat_Ctl);
if (flag & EOB_STATUS)
pos += le32_to_cpu(c->dwSegLen);
if (flag & EOC_STATUS)
pos += le32_to_cpu(c->dwSegLen);
if ((flag & EOS_STATUS)
&& (data->state == ST_PLAY)) {
data->state = ST_STOP;
snd_printk(KERN_ERR
"Riptide: DMA stopped unexpectedly\n");
}
c->dwStat_Ctl =
cpu_to_le32(flag &
~(EOS_STATUS | EOB_STATUS |
EOC_STATUS));
}
data->pointer += pos;
pos += data->oldpos;
if (data->state != ST_STOP) {
period_bytes =
frames_to_bytes(runtime,
runtime->period_size);
snd_printdd
("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
READ_AUDIO_STATUS(cif->hwport),
bytes_to_frames(runtime, pos),
runtime->period_size);
j = 0;
if (pos >= period_bytes) {
j++;
while (pos >= period_bytes)
pos -= period_bytes;
}
data->oldpos = pos;
if (j > 0)
snd_pcm_period_elapsed(substream[i]);
}
}
}
return IRQ_HANDLED;
}
#ifdef CONFIG_PM_SLEEP
static int riptide_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
struct snd_riptide *chip = card->private_data;
chip->in_suspend = 1;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
snd_ac97_suspend(chip->ac97);
return 0;
}
static int riptide_resume(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
struct snd_riptide *chip = card->private_data;
snd_riptide_initialize(chip);
snd_ac97_resume(chip->ac97);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
chip->in_suspend = 0;
return 0;
}
static SIMPLE_DEV_PM_OPS(riptide_pm, riptide_suspend, riptide_resume);
#define RIPTIDE_PM_OPS &riptide_pm
#else
#define RIPTIDE_PM_OPS NULL
#endif /* CONFIG_PM_SLEEP */
static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
{
union firmware_version firmware = { .ret = CMDRET_ZERO };
int i, timeout, err;
for (i = 0; i < 2; i++) {
WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
}
SET_GRESET(cif->hwport);
udelay(100);
UNSET_GRESET(cif->hwport);
udelay(100);
for (timeout = 100000; --timeout; udelay(10)) {
if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
break;
}
if (!timeout) {
snd_printk(KERN_ERR
"Riptide: device not ready, audio status: 0x%x "
"ready: %d gerr: %d\n",
READ_AUDIO_STATUS(cif->hwport),
IS_READY(cif->hwport), IS_GERR(cif->hwport));
return -EIO;
} else {
snd_printdd
("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
READ_AUDIO_STATUS(cif->hwport),
IS_READY(cif->hwport), IS_GERR(cif->hwport));
}
SEND_GETV(cif, &firmware.ret);
snd_printdd("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
firmware.firmware.ASIC, firmware.firmware.CODEC,
firmware.firmware.AUXDSP, firmware.firmware.PROG);
if (!chip)
return 1;
for (i = 0; i < FIRMWARE_VERSIONS; i++) {
if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
return 1; /* OK */
}
snd_printdd("Writing Firmware\n");
if (!chip->fw_entry) {
err = request_firmware(&chip->fw_entry, "riptide.hex",
&chip->pci->dev);
if (err) {
snd_printk(KERN_ERR
"Riptide: Firmware not available %d\n", err);
return -EIO;
}
}
err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
if (err) {
snd_printk(KERN_ERR
"Riptide: Could not load firmware %d\n", err);
return err;
}
chip->firmware = firmware;
return 1; /* OK */
}
static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
{
union cmdret rptr = CMDRET_ZERO;
int err, tries;
if (!cif)
return -EINVAL;
cif->cmdcnt = 0;
cif->cmdtime = 0;
cif->cmdtimemax = 0;
cif->cmdtimemin = 0xffffffff;
cif->errcnt = 0;
cif->is_reset = 0;
tries = RESET_TRIES;
do {
err = try_to_load_firmware(cif, chip);
if (err < 0)
return err;
} while (!err && --tries);
SEND_SACR(cif, 0, AC97_RESET);
SEND_RACR(cif, AC97_RESET, &rptr);
snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
SEND_PLST(cif, 0);
SEND_SLST(cif, 0);
SEND_DLST(cif, 0);
SEND_ALST(cif, 0);
SEND_KDMA(cif);
writearm(cif, 0x301F8, 1, 1);
writearm(cif, 0x301F4, 1, 1);
SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
MODEM_SPLITTER, MODEM_MIXER);
setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
FM_MIXER);
setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
writearm(cif, 0x301A8, 0x02, 0x00000002);
writearm(cif, 0x30264, 0x08, 0xffffffff);
alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
SEND_SSRC(cif, I2S_INTDEC, 48000,
((u32) I2S_RATE * 65536) / 48000,
((u32) I2S_RATE * 65536) % 48000);
SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
I2S_MIXER);
SEND_SI2S(cif, 1);
alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
SET_AIACK(cif->hwport);
SET_AIE(cif->hwport);
SET_AIACK(cif->hwport);
cif->is_reset = 1;
return 0;
}
static const struct snd_pcm_hardware snd_riptide_playback = {
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
.formats =
SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
| SNDRV_PCM_FMTBIT_U16_LE,
.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
.rate_min = 5500,
.rate_max = 48000,
.channels_min = 1,
.channels_max = 2,
.buffer_bytes_max = (64 * 1024),
.period_bytes_min = PAGE_SIZE >> 1,
.period_bytes_max = PAGE_SIZE << 8,
.periods_min = 2,
.periods_max = 64,
.fifo_size = 0,
};
static const struct snd_pcm_hardware snd_riptide_capture = {
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
.formats =
SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
| SNDRV_PCM_FMTBIT_U16_LE,
.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
.rate_min = 5500,
.rate_max = 48000,
.channels_min = 1,
.channels_max = 2,
.buffer_bytes_max = (64 * 1024),
.period_bytes_min = PAGE_SIZE >> 1,
.period_bytes_max = PAGE_SIZE << 3,
.periods_min = 2,
.periods_max = 64,
.fifo_size = 0,
};
static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
*substream)
{
struct snd_riptide *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct pcmhw *data = get_pcmhwdev(substream);
struct cmdif *cif = chip->cif;
union cmdret rptr = CMDRET_ZERO;
snd_pcm_uframes_t ret;
SEND_GPOS(cif, 0, data->id, &rptr);
if (data->size && runtime->period_size) {
snd_printdd
("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
bytes_to_frames(runtime, rptr.retlongs[1]),
bytes_to_frames(runtime,
rptr.retlongs[1]) % runtime->period_size);
if (rptr.retlongs[1] > data->pointer)
ret =
bytes_to_frames(runtime,
rptr.retlongs[1] % data->size);
else
ret =
bytes_to_frames(runtime,
data->pointer % data->size);
} else {
snd_printdd("stream not started or strange parms (%d %ld)\n",
data->size, runtime->period_size);
ret = bytes_to_frames(runtime, 0);
}
return ret;
}
static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
{
int i, j;
struct snd_riptide *chip = snd_pcm_substream_chip(substream);
struct pcmhw *data = get_pcmhwdev(substream);
struct cmdif *cif = chip->cif;
union cmdret rptr = CMDRET_ZERO;
spin_lock(&chip->lock);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
if (!(data->state & ST_PLAY)) {
SEND_SSTR(cif, data->id, data->sgdlist.addr);
SET_AIE(cif->hwport);
data->state = ST_PLAY;
if (data->mixer != 0xff)
setmixer(cif, data->mixer, 0x7fff, 0x7fff);
chip->openstreams++;
data->oldpos = 0;
data->pointer = 0;
}
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
if (data->mixer != 0xff)
setmixer(cif, data->mixer, 0, 0);
setmixer(cif, data->mixer, 0, 0);
SEND_KSTR(cif, data->id);
data->state = ST_STOP;
chip->openstreams--;
j = 0;
do {
i = rptr.retlongs[1];
SEND_GPOS(cif, 0, data->id, &rptr);
udelay(1);
} while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
if (j > MAX_WRITE_RETRY)
snd_printk(KERN_ERR "Riptide: Could not stop stream!");
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
if (!(data->state & ST_PAUSE)) {
SEND_PSTR(cif, data->id);
data->state |= ST_PAUSE;
chip->openstreams--;
}
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
if (data->state & ST_PAUSE) {
SEND_SSTR(cif, data->id, data->sgdlist.addr);
data->state &= ~ST_PAUSE;
chip->openstreams++;
}
break;
default:
spin_unlock(&chip->lock);
return -EINVAL;
}
spin_unlock(&chip->lock);
return 0;
}
static int snd_riptide_prepare(struct snd_pcm_substream *substream)
{
struct snd_riptide *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct pcmhw *data = get_pcmhwdev(substream);
struct cmdif *cif = chip->cif;
const unsigned char *lbuspath = NULL;
unsigned int rate, channels;
int err = 0;
snd_pcm_format_t format;
if (snd_BUG_ON(!cif || !data))
return -EINVAL;
snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
runtime->channels, runtime->format, runtime->rate);
spin_lock_irq(&chip->lock);
channels = runtime->channels;
format = runtime->format;
rate = runtime->rate;
switch (channels) {
case 1:
if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
lbuspath = data->paths.noconv;
else
lbuspath = data->paths.mono;
break;
case 2:
if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
lbuspath = data->paths.noconv;
else
lbuspath = data->paths.stereo;
break;
}
snd_printdd("use sgdlist at 0x%p\n",
data->sgdlist.area);
if (data->sgdlist.area) {
unsigned int i, j, size, pages, f, pt, period;
struct sgd *c, *p = NULL;
size = frames_to_bytes(runtime, runtime->buffer_size);
period = frames_to_bytes(runtime, runtime->period_size);
f = PAGE_SIZE;
while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
f = f >> 1;
pages = DIV_ROUND_UP(size, f);
data->size = size;
data->pages = pages;
snd_printdd
("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
size, pages, f, period);
pt = 0;
j = 0;
for (i = 0; i < pages; i++) {
unsigned int ofs, addr;
c = &data->sgdbuf[i];
if (p)
p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
(i *
sizeof(struct
sgd)));
c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
ofs = j << PAGE_SHIFT;
addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
c->dwSegPtrPhys = cpu_to_le32(addr);
pt = (pt + f) % PAGE_SIZE;
if (pt == 0)
j++;
c->dwSegLen = cpu_to_le32(f);
c->dwStat_Ctl =
cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
IEOC_ENABLE);
p = c;
size -= f;
}
data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
}
if (lbuspath && lbuspath != data->lbuspath) {
if (data->lbuspath)
freelbuspath(cif, data->source, data->lbuspath);
alloclbuspath(cif, data->source, lbuspath,
&data->mixer, data->intdec);
data->lbuspath = lbuspath;
data->rate = 0;
}
if (data->rate != rate || data->format != format ||
data->channels != channels) {
data->rate = rate;
data->format = format;
data->channels = channels;
if (setsampleformat
(cif, data->mixer, data->id, channels, format)
|| setsamplerate(cif, data->intdec, rate))
err = -EIO;
}
spin_unlock_irq(&chip->lock);
return err;
}
static int
snd_riptide_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct snd_riptide *chip = snd_pcm_substream_chip(substream);
struct pcmhw *data = get_pcmhwdev(substream);
struct snd_dma_buffer *sgdlist = &data->sgdlist;
int err;
snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
sgdlist->area, (unsigned long)sgdlist->addr,
(int)sgdlist->bytes);
if (sgdlist->area)
snd_dma_free_pages(sgdlist);
err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &chip->pci->dev,
sizeof(struct sgd) * (DESC_MAX_MASK + 1),
sgdlist);
if (err < 0) {
snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
(int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
return err;
}
data->sgdbuf = (struct sgd *)sgdlist->area;
return 0;
}
static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
{
struct snd_riptide *chip = snd_pcm_substream_chip(substream);
struct pcmhw *data = get_pcmhwdev(substream);
struct cmdif *cif = chip->cif;
if (cif && data) {
if (data->lbuspath)
freelbuspath(cif, data->source, data->lbuspath);
data->lbuspath = NULL;
data->source = 0xff;
data->intdec[0] = 0xff;
data->intdec[1] = 0xff;
if (data->sgdlist.area) {
snd_dma_free_pages(&data->sgdlist);
data->sgdlist.area = NULL;
}
}
return 0;
}
static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
{
struct snd_riptide *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct pcmhw *data;
int sub_num = substream->number;
chip->playback_substream[sub_num] = substream;
runtime->hw = snd_riptide_playback;
data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
data->paths = lbus_play_paths[sub_num];
data->id = play_ids[sub_num];
data->source = play_sources[sub_num];
data->intdec[0] = 0xff;
data->intdec[1] = 0xff;
data->state = ST_STOP;
runtime->private_data = data;
return snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
}
static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
{
struct snd_riptide *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct pcmhw *data;
chip->capture_substream = substream;
runtime->hw = snd_riptide_capture;
data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
data->paths = lbus_rec_path;
data->id = PADC;
data->source = ACLNK2PADC;
data->intdec[0] = 0xff;
data->intdec[1] = 0xff;
data->state = ST_STOP;
runtime->private_data = data;
return snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
}
static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
{
struct snd_riptide *chip = snd_pcm_substream_chip(substream);
struct pcmhw *data = get_pcmhwdev(substream);
int sub_num = substream->number;
substream->runtime->private_data = NULL;
chip->playback_substream[sub_num] = NULL;
kfree(data);
return 0;
}
static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
{
struct snd_riptide *chip = snd_pcm_substream_chip(substream);
struct pcmhw *data = get_pcmhwdev(substream);
substream->runtime->private_data = NULL;
chip->capture_substream = NULL;
kfree(data);
return 0;
}
static const struct snd_pcm_ops snd_riptide_playback_ops = {
.open = snd_riptide_playback_open,
.close = snd_riptide_playback_close,
.hw_params = snd_riptide_hw_params,
.hw_free = snd_riptide_hw_free,
.prepare = snd_riptide_prepare,
.trigger = snd_riptide_trigger,
.pointer = snd_riptide_pointer,
};
static const struct snd_pcm_ops snd_riptide_capture_ops = {
.open = snd_riptide_capture_open,
.close = snd_riptide_capture_close,
.hw_params = snd_riptide_hw_params,
.hw_free = snd_riptide_hw_free,
.prepare = snd_riptide_prepare,
.trigger = snd_riptide_trigger,
.pointer = snd_riptide_pointer,
};
static int snd_riptide_pcm(struct snd_riptide *chip, int device)
{
struct snd_pcm *pcm;
int err;
err = snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
&pcm);
if (err < 0)
return err;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
&snd_riptide_playback_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
&snd_riptide_capture_ops);
pcm->private_data = chip;
pcm->info_flags = 0;
strcpy(pcm->name, "RIPTIDE");
chip->pcm = pcm;
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
&chip->pci->dev, 64 * 1024, 128 * 1024);
return 0;
}
static irqreturn_t
snd_riptide_interrupt(int irq, void *dev_id)
{
struct snd_riptide *chip = dev_id;
struct cmdif *cif = chip->cif;
irqreturn_t ret = IRQ_HANDLED;
if (cif) {
chip->received_irqs++;
if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
IS_EOCIRQ(cif->hwport)) {
chip->handled_irqs++;
ret = IRQ_WAKE_THREAD;
}
if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
chip->handled_irqs++;
snd_mpu401_uart_interrupt(irq,
chip->rmidi->private_data);
}
SET_AIACK(cif->hwport);
}
return ret;
}
static void
snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
unsigned short val)
{
struct snd_riptide *chip = ac97->private_data;
struct cmdif *cif = chip->cif;
union cmdret rptr = CMDRET_ZERO;
int i = 0;
if (snd_BUG_ON(!cif))
return;
snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
do {
SEND_SACR(cif, val, reg);
SEND_RACR(cif, reg, &rptr);
} while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
if (i > MAX_WRITE_RETRY)
snd_printdd("Write AC97 reg failed\n");
}
static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
unsigned short reg)
{
struct snd_riptide *chip = ac97->private_data;
struct cmdif *cif = chip->cif;
union cmdret rptr = CMDRET_ZERO;
if (snd_BUG_ON(!cif))
return 0;
if (SEND_RACR(cif, reg, &rptr) != 0)
SEND_RACR(cif, reg, &rptr);
snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
return rptr.retwords[1];
}
static int snd_riptide_initialize(struct snd_riptide *chip)
{
struct cmdif *cif;
unsigned int device_id;
int err;
if (snd_BUG_ON(!chip))
return -EINVAL;
cif = chip->cif;
if (!cif) {
cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL);
if (!cif)
return -ENOMEM;
cif->hwport = (struct riptideport *)chip->port;
spin_lock_init(&cif->lock);
chip->cif = cif;
}
cif->is_reset = 0;
err = riptide_reset(cif, chip);
if (err)
return err;
device_id = chip->device_id;
switch (device_id) {
case 0x4310:
case 0x4320:
case 0x4330:
snd_printdd("Modem enable?\n");
SEND_SETDPLL(cif);
break;
}
snd_printdd("Enabling MPU IRQs\n");
if (chip->rmidi)
SET_EMPUIRQ(cif->hwport);
return err;
}
static void snd_riptide_free(struct snd_card *card)
{
struct snd_riptide *chip = card->private_data;
struct cmdif *cif;
cif = chip->cif;
if (cif) {
SET_GRESET(cif->hwport);
udelay(100);
UNSET_GRESET(cif->hwport);
kfree(chip->cif);
}
release_firmware(chip->fw_entry);
}
static int
snd_riptide_create(struct snd_card *card, struct pci_dev *pci)
{
struct snd_riptide *chip = card->private_data;
struct riptideport *hwport;
int err;
err = pcim_enable_device(pci);
if (err < 0)
return err;
spin_lock_init(&chip->lock);
chip->card = card;
chip->pci = pci;
chip->irq = -1;
chip->openstreams = 0;
chip->port = pci_resource_start(pci, 0);
chip->received_irqs = 0;
chip->handled_irqs = 0;
chip->cif = NULL;
card->private_free = snd_riptide_free;
err = pci_request_regions(pci, "RIPTIDE");
if (err < 0)
return err;
hwport = (struct riptideport *)chip->port;
UNSET_AIE(hwport);
if (devm_request_threaded_irq(&pci->dev, pci->irq,
snd_riptide_interrupt,
riptide_handleirq, IRQF_SHARED,
KBUILD_MODNAME, chip)) {
snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
pci->irq);
return -EBUSY;
}
chip->irq = pci->irq;
card->sync_irq = chip->irq;
chip->device_id = pci->device;
pci_set_master(pci);
err = snd_riptide_initialize(chip);
if (err < 0)
return err;
return 0;
}
static void
snd_riptide_proc_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_riptide *chip = entry->private_data;
struct pcmhw *data;
int i;
struct cmdif *cif = NULL;
unsigned char p[256];
unsigned short rval = 0, lval = 0;
unsigned int rate;
if (!chip)
return;
snd_iprintf(buffer, "%s\n\n", chip->card->longname);
snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
chip->device_id, chip->handled_irqs, chip->received_irqs);
for (i = 0; i < 64; i += 4)
snd_iprintf(buffer, "%c%02x: %08x",
(i % 16) ? ' ' : '\n', i, inl(chip->port + i));
cif = chip->cif;
if (cif) {
snd_iprintf(buffer,
"\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
chip->firmware.firmware.ASIC,
chip->firmware.firmware.CODEC,
chip->firmware.firmware.AUXDSP,
chip->firmware.firmware.PROG);
snd_iprintf(buffer, "\nDigital mixer:");
for (i = 0; i < 12; i++) {
getmixer(cif, i, &rval, &lval);
snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
}
snd_iprintf(buffer,
"\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
cif->cmdcnt, cif->errcnt,
cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
}
snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
if (!chip->playback_substream[i] ||
!chip->playback_substream[i]->runtime)
continue;
data = chip->playback_substream[i]->runtime->private_data;
if (data) {
snd_iprintf(buffer,
"stream: %d mixer: %d source: %d (%d,%d)\n",
data->id, data->mixer, data->source,
data->intdec[0], data->intdec[1]);
if (!(getsamplerate(cif, data->intdec, &rate)))
snd_iprintf(buffer, "rate: %d\n", rate);
}
}
if (chip->capture_substream && chip->capture_substream->runtime) {
data = chip->capture_substream->runtime->private_data;
if (data) {
snd_iprintf(buffer,
"stream: %d mixer: %d source: %d (%d,%d)\n",
data->id, data->mixer,
data->source, data->intdec[0], data->intdec[1]);
if (!(getsamplerate(cif, data->intdec, &rate)))
snd_iprintf(buffer, "rate: %d\n", rate);
}
}
snd_iprintf(buffer, "Paths:\n");
i = getpaths(cif, p);
while (i >= 2) {
i -= 2;
snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
}
snd_iprintf(buffer, "\n");
}
static void snd_riptide_proc_init(struct snd_riptide *chip)
{
snd_card_ro_proc_new(chip->card, "riptide", chip,
snd_riptide_proc_read);
}
static int snd_riptide_mixer(struct snd_riptide *chip)
{
struct snd_ac97_bus *pbus;
struct snd_ac97_template ac97;
int err = 0;
static const struct snd_ac97_bus_ops ops = {
.write = snd_riptide_codec_write,
.read = snd_riptide_codec_read,
};
memset(&ac97, 0, sizeof(ac97));
ac97.private_data = chip;
ac97.scaps = AC97_SCAP_SKIP_MODEM;
err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus);
if (err < 0)
return err;
chip->ac97_bus = pbus;
ac97.pci = chip->pci;
err = snd_ac97_mixer(pbus, &ac97, &chip->ac97);
if (err < 0)
return err;
return err;
}
#ifdef SUPPORT_JOYSTICK
static int
snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
{
static int dev;
struct gameport *gameport;
int ret;
if (dev >= SNDRV_CARDS)
return -ENODEV;
if (!enable[dev]) {
ret = -ENOENT;
goto inc_dev;
}
if (!joystick_port[dev]) {
ret = 0;
goto inc_dev;
}
gameport = gameport_allocate_port();
if (!gameport) {
ret = -ENOMEM;
goto inc_dev;
}
if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
snd_printk(KERN_WARNING
"Riptide: cannot grab gameport 0x%x\n",
joystick_port[dev]);
gameport_free_port(gameport);
ret = -EBUSY;
goto inc_dev;
}
gameport->io = joystick_port[dev];
gameport_register_port(gameport);
pci_set_drvdata(pci, gameport);
ret = 0;
inc_dev:
dev++;
return ret;
}
static void snd_riptide_joystick_remove(struct pci_dev *pci)
{
struct gameport *gameport = pci_get_drvdata(pci);
if (gameport) {
release_region(gameport->io, 8);
gameport_unregister_port(gameport);
}
}
#endif
static int
__snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
{
static int dev;
struct snd_card *card;
struct snd_riptide *chip;
unsigned short val;
int err;
if (dev >= SNDRV_CARDS)
return -ENODEV;
if (!enable[dev]) {
dev++;
return -ENOENT;
}
err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
sizeof(*chip), &card);
if (err < 0)
return err;
chip = card->private_data;
err = snd_riptide_create(card, pci);
if (err < 0)
return err;
err = snd_riptide_pcm(chip, 0);
if (err < 0)
return err;
err = snd_riptide_mixer(chip);
if (err < 0)
return err;
val = LEGACY_ENABLE_ALL;
if (opl3_port[dev])
val |= LEGACY_ENABLE_FM;
#ifdef SUPPORT_JOYSTICK
if (joystick_port[dev])
val |= LEGACY_ENABLE_GAMEPORT;
#endif
if (mpu_port[dev])
val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
val |= (chip->irq << 4) & 0xf0;
pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
if (mpu_port[dev]) {
val = mpu_port[dev];
pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
val, MPU401_INFO_IRQ_HOOK, -1,
&chip->rmidi);
if (err < 0)
snd_printk(KERN_WARNING
"Riptide: Can't Allocate MPU at 0x%x\n",
val);
else
chip->mpuaddr = val;
}
if (opl3_port[dev]) {
val = opl3_port[dev];
pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
err = snd_opl3_create(card, val, val + 2,
OPL3_HW_RIPTIDE, 0, &chip->opl3);
if (err < 0)
snd_printk(KERN_WARNING
"Riptide: Can't Allocate OPL3 at 0x%x\n",
val);
else {
chip->opladdr = val;
err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
if (err < 0)
snd_printk(KERN_WARNING
"Riptide: Can't Allocate OPL3-HWDEP\n");
}
}
#ifdef SUPPORT_JOYSTICK
if (joystick_port[dev]) {
val = joystick_port[dev];
pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
chip->gameaddr = val;
}
#endif
strcpy(card->driver, "RIPTIDE");
strcpy(card->shortname, "Riptide");
#ifdef SUPPORT_JOYSTICK
snprintf(card->longname, sizeof(card->longname),
"%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
card->shortname, chip->port, chip->irq, chip->mpuaddr,
chip->opladdr, chip->gameaddr);
#else
snprintf(card->longname, sizeof(card->longname),
"%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
card->shortname, chip->port, chip->irq, chip->mpuaddr,
chip->opladdr);
#endif
snd_riptide_proc_init(chip);
err = snd_card_register(card);
if (err < 0)
return err;
pci_set_drvdata(pci, card);
dev++;
return 0;
}
static int
snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
{
return snd_card_free_on_error(&pci->dev, __snd_card_riptide_probe(pci, pci_id));
}
static struct pci_driver driver = {
.name = KBUILD_MODNAME,
.id_table = snd_riptide_ids,
.probe = snd_card_riptide_probe,
.driver = {
.pm = RIPTIDE_PM_OPS,
},
};
#ifdef SUPPORT_JOYSTICK
static struct pci_driver joystick_driver = {
.name = KBUILD_MODNAME "-joystick",
.id_table = snd_riptide_joystick_ids,
.probe = snd_riptide_joystick_probe,
.remove = snd_riptide_joystick_remove,
};
#endif
static int __init alsa_card_riptide_init(void)
{
int err;
err = pci_register_driver(&driver);
if (err < 0)
return err;
#if defined(SUPPORT_JOYSTICK)
err = pci_register_driver(&joystick_driver);
/* On failure unregister formerly registered audio driver */
if (err < 0)
pci_unregister_driver(&driver);
#endif
return err;
}
static void __exit alsa_card_riptide_exit(void)
{
pci_unregister_driver(&driver);
#if defined(SUPPORT_JOYSTICK)
pci_unregister_driver(&joystick_driver);
#endif
}
module_init(alsa_card_riptide_init);
module_exit(alsa_card_riptide_exit);