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-/*
- sound/oss/aedsp16.c
-
- Audio Excel DSP 16 software configuration routines
- Copyright (C) 1995,1996,1997,1998 Riccardo Facchetti (fizban@tin.it)
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- */
-/*
- * Include the main OSS Lite header file. It include all the os, OSS Lite, etc
- * headers needed by this source.
- */
-#include <linux/delay.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include "sound_config.h"
-
-/*
-
- READ THIS
-
- This module started to configure the Audio Excel DSP 16 Sound Card.
- Now works with the SC-6000 (old aedsp16) and new SC-6600 based cards.
-
- NOTE: I have NO idea about Audio Excel DSP 16 III. If someone owns this
- audio card and want to see the kernel support for it, please contact me.
-
- Audio Excel DSP 16 is an SB pro II, Microsoft Sound System and MPU-401
- compatible card.
- It is software-only configurable (no jumpers to hard-set irq/dma/mpu-irq),
- so before this module, the only way to configure the DSP under linux was
- boot the MS-DOS loading the sound.sys device driver (this driver soft-
- configure the sound board hardware by massaging someone of its registers),
- and then ctrl-alt-del to boot linux with the DSP configured by the DOS
- driver.
-
- This module works configuring your Audio Excel DSP 16's irq, dma and
- mpu-401-irq. The OSS Lite routines rely on the fact that if the
- hardware is there, they can detect it. The problem with AEDSP16 is
- that no hardware can be found by the probe routines if the sound card
- is not configured properly. Sometimes the kernel probe routines can find
- an SBPRO even when the card is not configured (this is the standard setup
- of the card), but the SBPRO emulation don't work well if the card is not
- properly initialized. For this reason
-
- aedsp16_init_board()
-
- routine is called before the OSS Lite probe routines try to detect the
- hardware.
-
- NOTE (READ THE NOTE TOO, IT CONTAIN USEFUL INFORMATIONS)
-
- NOTE: Now it works with SC-6000 and SC-6600 based audio cards. The new cards
- have no jumper switch at all. No more WSS or MPU-401 I/O port switches. They
- have to be configured by software.
-
- NOTE: The driver is merged with the new OSS Lite sound driver. It works
- as a lowlevel driver.
-
- The Audio Excel DSP 16 Sound Card emulates both SBPRO and MSS;
- the OSS Lite sound driver can be configured for SBPRO and MSS cards
- at the same time, but the aedsp16 can't be two cards!!
- When we configure it, we have to choose the SBPRO or the MSS emulation
- for AEDSP16. We also can install a *REAL* card of the other type (see [1]).
-
- NOTE: If someone can test the combination AEDSP16+MSS or AEDSP16+SBPRO
- please let me know if it works.
-
- The MPU-401 support can be compiled in together with one of the other
- two operating modes.
-
- NOTE: This is something like plug-and-play: we have only to plug
- the AEDSP16 board in the socket, and then configure and compile
- a kernel that uses the AEDSP16 software configuration capability.
- No jumper setting is needed!
-
- For example, if you want AEDSP16 to be an SBPro, on irq 10, dma 3
- you have just to make config the OSS Lite package, configuring
- the AEDSP16 sound card, then activating the SBPro emulation mode
- and at last configuring IRQ and DMA.
- Compile the kernel and run it.
-
- NOTE: This means for SC-6000 cards that you can choose irq and dma,
- but not the I/O addresses. To change I/O addresses you have to set
- them with jumpers. For SC-6600 cards you have no jumpers so you have
- to set up your full card configuration in the make config.
-
- You can change the irq/dma/mirq settings WITHOUT THE NEED to open
- your computer and massage the jumpers (there are no irq/dma/mirq
- jumpers to be configured anyway, only I/O BASE values have to be
- configured with jumpers)
-
- For some ununderstandable reason, the card default of irq 7, dma 1,
- don't work for me. Seems to be an IRQ or DMA conflict. Under heavy
- HDD work, the kernel start to erupt out a lot of messages like:
-
- 'Sound: DMA timed out - IRQ/DRQ config error?'
-
- For what I can say, I have NOT any conflict at irq 7 (under linux I'm
- using the lp polling driver), and dma line 1 is unused as stated by
- /proc/dma. I can suppose this is a bug of AEDSP16. I know my hardware so
- I'm pretty sure I have not any conflict, but may be I'm wrong. Who knows!
- Anyway a setting of irq 10, dma 3 works really fine.
-
- NOTE: if someone can use AEDSP16 with irq 7, dma 1, please let me know
- the emulation mode, all the installed hardware and the hardware
- configuration (irq and dma settings of all the hardware).
-
- This init module should work with SBPRO+MSS, when one of the two is
- the AEDSP16 emulation and the other the real card. (see [1])
- For example:
-
- AEDSP16 (0x220) in SBPRO emu (0x220) + real MSS + other
- AEDSP16 (0x220) in MSS emu + real SBPRO (0x240) + other
-
- MPU401 should work. (see [2])
-
- [1]
- ---
- Date: Mon, 29 Jul 1997 08:35:40 +0100
- From: Mr S J Greenaway <sjg95@unixfe.rl.ac.uk>
-
- [...]
- Just to let you know got my Audio Excel (emulating a MSS) working
- with my original SB16, thanks for the driver!
- [...]
- ---
-
- [2] Not tested by me for lack of hardware.
-
- TODO, WISHES AND TECH
-
- - About I/O ports allocation -
-
- Request the 2x0h region (port base) in any case if we are using this card.
-
- NOTE: the "aedsp16 (base)" string with which we are requesting the aedsp16
- port base region (see code) does not mean necessarily that we are emulating
- sbpro. Even if this region is the sbpro I/O ports region, we use this
- region to access the control registers of the card, and if emulating
- sbpro, I/O sbpro registers too. If we are emulating MSS, the sbpro
- registers are not used, in no way, to emulate an sbpro: they are
- used only for configuration purposes.
-
- Started Fri Mar 17 16:13:18 MET 1995
-
- v0.1 (ALPHA, was a user-level program called AudioExcelDSP16.c)
- - Initial code.
- v0.2 (ALPHA)
- - Cleanups.
- - Integrated with Linux voxware v 2.90-2 kernel sound driver.
- - SoundBlaster Pro mode configuration.
- - Microsoft Sound System mode configuration.
- - MPU-401 mode configuration.
- v0.3 (ALPHA)
- - Cleanups.
- - Rearranged the code to let aedsp16_init_board be more general.
- - Erased the REALLY_SLOW_IO. We don't need it. Erased the linux/io.h
- inclusion too. We rely on os.h
- - Used the to get a variable
- len string (we are not sure about the len of Copyright string).
- This works with any SB and compatible.
- - Added the code to request_region at device init (should go in
- the main body of voxware).
- v0.4 (BETA)
- - Better configure.c patch for aedsp16 configuration (better
- logic of inclusion of AEDSP16 support)
- - Modified the conditional compilation to better support more than
- one sound card of the emulated type (read the NOTES above)
- - Moved the sb init routine from the attach to the very first
- probe in sb_card.c
- - Rearrangements and cleanups
- - Wiped out some unnecessary code and variables: this is kernel
- code so it is better save some TEXT and DATA
- - Fixed the request_region code. We must allocate the aedsp16 (sbpro)
- I/O ports in any case because they are used to access the DSP
- configuration registers and we can not allow anyone to get them.
- v0.5
- - cleanups on comments
- - prep for diffs against v3.0-proto-950402
- v0.6
- - removed the request_region()s when compiling the MODULE sound.o
- because we are not allowed (by the actual voxware structure) to
- release_region()
- v0.7 (pre ALPHA, not distributed)
- - started porting this module to kernel 1.3.84. Dummy probe/attach
- routines.
- v0.8 (ALPHA)
- - attached all the init routines.
- v0.9 (BETA)
- - Integrated with linux-pre2.0.7
- - Integrated with configuration scripts.
- - Cleaned up and beautyfied the code.
- v0.9.9 (BETA)
- - Thanks to Piercarlo Grandi: corrected the conditonal compilation code.
- Now only the code configured is compiled in, with some memory saving.
- v0.9.10
- - Integration into the sound/lowlevel/ section of the sound driver.
- - Re-organized the code.
- v0.9.11 (not distributed)
- - Rewritten the init interface-routines to initialize the AEDSP16 in
- one shot.
- - More cosmetics.
- - SC-6600 support.
- - More soft/hard configuration.
- v0.9.12
- - Refined the v0.9.11 code with conditional compilation to distinguish
- between SC-6000 and SC-6600 code.
- v1.0.0
- - Prep for merging with OSS Lite and Linux kernel 2.1.13
- - Corrected a bug in request/check/release region calls (thanks to the
- new kernel exception handling).
- v1.1
- - Revamped for integration with new modularized sound drivers: to enhance
- the flexibility of modular version, I have removed all the conditional
- compilation for SBPRO, MPU and MSS code. Now it is all managed with
- the ae_config structure.
- v1.2
- - Module informations added.
- - Removed aedsp16_delay_10msec(), now using mdelay(10)
- - All data and funcs moved to .*.init section.
- v1.3
- Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 2000/09/27
- - got rid of check_region
-
- Known Problems:
- - Audio Excel DSP 16 III don't work with this driver.
-
- Credits:
- Many thanks to Gerald Britton <gbritton@CapAccess.org>. He helped me a
- lot in testing the 0.9.11 and 0.9.12 versions of this driver.
-
- */
-
-
-#define VERSION "1.3" /* Version of Audio Excel DSP 16 driver */
-
-#undef AEDSP16_DEBUG /* Define this to 1 to enable debug code */
-#undef AEDSP16_DEBUG_MORE /* Define this to 1 to enable more debug */
-#undef AEDSP16_INFO /* Define this to 1 to enable info code */
-
-#if defined(AEDSP16_DEBUG)
-# define DBG(x) printk x
-# if defined(AEDSP16_DEBUG_MORE)
-# define DBG1(x) printk x
-# else
-# define DBG1(x)
-# endif
-#else
-# define DBG(x)
-# define DBG1(x)
-#endif
-
-/*
- * Misc definitions
- */
-#define TRUE 1
-#define FALSE 0
-
-/*
- * Region Size for request/check/release region.
- */
-#define IOBASE_REGION_SIZE 0x10
-
-/*
- * Hardware related defaults
- */
-#define DEF_AEDSP16_IOB 0x220 /* 0x220(default) 0x240 */
-#define DEF_AEDSP16_IRQ 7 /* 5 7(default) 9 10 11 */
-#define DEF_AEDSP16_MRQ 0 /* 5 7 9 10 0(default), 0 means disable */
-#define DEF_AEDSP16_DMA 1 /* 0 1(default) 3 */
-
-/*
- * Commands of AEDSP16's DSP (SBPRO+special).
- * Some of them are COMMAND_xx, in the future they may change.
- */
-#define WRITE_MDIRQ_CFG 0x50 /* Set M&I&DRQ mask (the real config) */
-#define COMMAND_52 0x52 /* */
-#define READ_HARD_CFG 0x58 /* Read Hardware Config (I/O base etc) */
-#define COMMAND_5C 0x5c /* */
-#define COMMAND_60 0x60 /* */
-#define COMMAND_66 0x66 /* */
-#define COMMAND_6C 0x6c /* */
-#define COMMAND_6E 0x6e /* */
-#define COMMAND_88 0x88 /* */
-#define DSP_INIT_MSS 0x8c /* Enable Microsoft Sound System mode */
-#define COMMAND_C5 0xc5 /* */
-#define GET_DSP_VERSION 0xe1 /* Get DSP Version */
-#define GET_DSP_COPYRIGHT 0xe3 /* Get DSP Copyright */
-
-/*
- * Offsets of AEDSP16 DSP I/O ports. The offset is added to base I/O port
- * to have the actual I/O port.
- * Register permissions are:
- * (wo) == Write Only
- * (ro) == Read Only
- * (w-) == Write
- * (r-) == Read
- */
-#define DSP_RESET 0x06 /* offset of DSP RESET (wo) */
-#define DSP_READ 0x0a /* offset of DSP READ (ro) */
-#define DSP_WRITE 0x0c /* offset of DSP WRITE (w-) */
-#define DSP_COMMAND 0x0c /* offset of DSP COMMAND (w-) */
-#define DSP_STATUS 0x0c /* offset of DSP STATUS (r-) */
-#define DSP_DATAVAIL 0x0e /* offset of DSP DATA AVAILABLE (ro) */
-
-
-#define RETRY 10 /* Various retry values on I/O opera- */
-#define STATUSRETRY 1000 /* tions. Sometimes we have to */
-#define HARDRETRY 500000 /* wait for previous cmd to complete */
-
-/*
- * Size of character arrays that store name and version of sound card
- */
-#define CARDNAMELEN 15 /* Size of the card's name in chars */
-#define CARDVERLEN 10 /* Size of the card's version in chars */
-#define CARDVERDIGITS 2 /* Number of digits in the version */
-
-#if defined(CONFIG_SC6600)
-/*
- * Bitmapped flags of hard configuration
- */
-/*
- * Decode macros (xl == low byte, xh = high byte)
- */
-#define IOBASE(xl) ((xl & 0x01)?0x240:0x220)
-#define JOY(xl) (xl & 0x02)
-#define MPUADDR(xl) ( \
- (xl & 0x0C)?0x330: \
- (xl & 0x08)?0x320: \
- (xl & 0x04)?0x310: \
- 0x300)
-#define WSSADDR(xl) ((xl & 0x10)?0xE80:0x530)
-#define CDROM(xh) (xh & 0x20)
-#define CDROMADDR(xh) (((xh & 0x1F) << 4) + 0x200)
-/*
- * Encode macros
- */
-#define BLDIOBASE(xl, val) { \
- xl &= ~0x01; \
- if (val == 0x240) \
- xl |= 0x01; \
- }
-#define BLDJOY(xl, val) { \
- xl &= ~0x02; \
- if (val == 1) \
- xl |= 0x02; \
- }
-#define BLDMPUADDR(xl, val) { \
- xl &= ~0x0C; \
- switch (val) { \
- case 0x330: \
- xl |= 0x0C; \
- break; \
- case 0x320: \
- xl |= 0x08; \
- break; \
- case 0x310: \
- xl |= 0x04; \
- break; \
- case 0x300: \
- xl |= 0x00; \
- break; \
- default: \
- xl |= 0x00; \
- break; \
- } \
- }
-#define BLDWSSADDR(xl, val) { \
- xl &= ~0x10; \
- if (val == 0xE80) \
- xl |= 0x10; \
- }
-#define BLDCDROM(xh, val) { \
- xh &= ~0x20; \
- if (val == 1) \
- xh |= 0x20; \
- }
-#define BLDCDROMADDR(xh, val) { \
- int tmp = val; \
- tmp -= 0x200; \
- tmp >>= 4; \
- tmp &= 0x1F; \
- xh |= tmp; \
- xh &= 0x7F; \
- xh |= 0x40; \
- }
-#endif /* CONFIG_SC6600 */
-
-/*
- * Bit mapped flags for calling aedsp16_init_board(), and saving the current
- * emulation mode.
- */
-#define INIT_NONE (0 )
-#define INIT_SBPRO (1<<0)
-#define INIT_MSS (1<<1)
-#define INIT_MPU401 (1<<2)
-
-static int soft_cfg __initdata = 0; /* bitmapped config */
-static int soft_cfg_mss __initdata = 0; /* bitmapped mss config */
-static int ver[CARDVERDIGITS] __initdata = {0, 0}; /* DSP Ver:
- hi->ver[0] lo->ver[1] */
-
-#if defined(CONFIG_SC6600)
-static int hard_cfg[2] /* lo<-hard_cfg[0] hi<-hard_cfg[1] */
- __initdata = { 0, 0};
-#endif /* CONFIG_SC6600 */
-
-#if defined(CONFIG_SC6600)
-/* Decoded hard configuration */
-struct d_hcfg {
- int iobase;
- int joystick;
- int mpubase;
- int wssbase;
- int cdrom;
- int cdrombase;
-};
-
-static struct d_hcfg decoded_hcfg __initdata = {0, };
-
-#endif /* CONFIG_SC6600 */
-
-/* orVals contain the values to be or'ed */
-struct orVals {
- int val; /* irq|mirq|dma */
- int or; /* soft_cfg |= TheStruct.or */
-};
-
-/* aedsp16_info contain the audio card configuration */
-struct aedsp16_info {
- int base_io; /* base I/O address for accessing card */
- int irq; /* irq value for DSP I/O */
- int mpu_irq; /* irq for mpu401 interface I/O */
- int dma; /* dma value for DSP I/O */
- int mss_base; /* base I/O for Microsoft Sound System */
- int mpu_base; /* base I/O for MPU-401 emulation */
- int init; /* Initialization status of the card */
-};
-
-/*
- * Magic values that the DSP will eat when configuring irq/mirq/dma
- */
-/* DSP IRQ conversion array */
-static struct orVals orIRQ[] __initdata = {
- {0x05, 0x28},
- {0x07, 0x08},
- {0x09, 0x10},
- {0x0a, 0x18},
- {0x0b, 0x20},
- {0x00, 0x00}
-};
-
-/* MPU-401 IRQ conversion array */
-static struct orVals orMIRQ[] __initdata = {
- {0x05, 0x04},
- {0x07, 0x44},
- {0x09, 0x84},
- {0x0a, 0xc4},
- {0x00, 0x00}
-};
-
-/* DMA Channels conversion array */
-static struct orVals orDMA[] __initdata = {
- {0x00, 0x01},
- {0x01, 0x02},
- {0x03, 0x03},
- {0x00, 0x00}
-};
-
-static struct aedsp16_info ae_config = {
- .base_io = DEF_AEDSP16_IOB,
- .irq = DEF_AEDSP16_IRQ,
- .mpu_irq = DEF_AEDSP16_MRQ,
- .dma = DEF_AEDSP16_DMA,
- .mss_base = -1,
- .mpu_base = -1,
- .init = INIT_NONE
-};
-
-/*
- * Buffers to store audio card informations
- */
-static char DSPCopyright[CARDNAMELEN + 1] __initdata = {0, };
-static char DSPVersion[CARDVERLEN + 1] __initdata = {0, };
-
-static int __init aedsp16_wait_data(int port)
-{
- int loop = STATUSRETRY;
- unsigned char ret = 0;
-
- DBG1(("aedsp16_wait_data (0x%x): ", port));
-
- do {
- ret = inb(port + DSP_DATAVAIL);
- /*
- * Wait for data available (bit 7 of ret == 1)
- */
- } while (!(ret & 0x80) && loop--);
-
- if (ret & 0x80) {
- DBG1(("success.\n"));
- return TRUE;
- }
-
- DBG1(("failure.\n"));
- return FALSE;
-}
-
-static int __init aedsp16_read(int port)
-{
- int inbyte;
-
- DBG((" Read DSP Byte (0x%x): ", port));
-
- if (aedsp16_wait_data(port) == FALSE) {
- DBG(("failure.\n"));
- return -1;
- }
-
- inbyte = inb(port + DSP_READ);
-
- DBG(("read [0x%x]/{%c}.\n", inbyte, inbyte));
-
- return inbyte;
-}
-
-static int __init aedsp16_test_dsp(int port)
-{
- return ((aedsp16_read(port) == 0xaa) ? TRUE : FALSE);
-}
-
-static int __init aedsp16_dsp_reset(int port)
-{
- /*
- * Reset DSP
- */
-
- DBG(("Reset DSP:\n"));
-
- outb(1, (port + DSP_RESET));
- udelay(10);
- outb(0, (port + DSP_RESET));
- udelay(10);
- udelay(10);
- if (aedsp16_test_dsp(port) == TRUE) {
- DBG(("success.\n"));
- return TRUE;
- } else
- DBG(("failure.\n"));
- return FALSE;
-}
-
-static int __init aedsp16_write(int port, int cmd)
-{
- unsigned char ret;
- int loop = HARDRETRY;
-
- DBG((" Write DSP Byte (0x%x) [0x%x]: ", port, cmd));
-
- do {
- ret = inb(port + DSP_STATUS);
- /*
- * DSP ready to receive data if bit 7 of ret == 0
- */
- if (!(ret & 0x80)) {
- outb(cmd, port + DSP_COMMAND);
- DBG(("success.\n"));
- return 0;
- }
- } while (loop--);
-
- DBG(("timeout.\n"));
- printk("[AEDSP16] DSP Command (0x%x) timeout.\n", cmd);
-
- return -1;
-}
-
-#if defined(CONFIG_SC6600)
-
-#if defined(AEDSP16_INFO) || defined(AEDSP16_DEBUG)
-void __init aedsp16_pinfo(void) {
- DBG(("\n Base address: %x\n", decoded_hcfg.iobase));
- DBG((" Joystick : %s present\n", decoded_hcfg.joystick?"":" not"));
- DBG((" WSS addr : %x\n", decoded_hcfg.wssbase));
- DBG((" MPU-401 addr: %x\n", decoded_hcfg.mpubase));
- DBG((" CDROM : %s present\n", (decoded_hcfg.cdrom!=4)?"":" not"));
- DBG((" CDROMADDR : %x\n\n", decoded_hcfg.cdrombase));
-}
-#endif
-
-static void __init aedsp16_hard_decode(void) {
-
- DBG((" aedsp16_hard_decode: 0x%x, 0x%x\n", hard_cfg[0], hard_cfg[1]));
-
-/*
- * Decode Cfg Bytes.
- */
- decoded_hcfg.iobase = IOBASE(hard_cfg[0]);
- decoded_hcfg.joystick = JOY(hard_cfg[0]);
- decoded_hcfg.wssbase = WSSADDR(hard_cfg[0]);
- decoded_hcfg.mpubase = MPUADDR(hard_cfg[0]);
- decoded_hcfg.cdrom = CDROM(hard_cfg[1]);
- decoded_hcfg.cdrombase = CDROMADDR(hard_cfg[1]);
-
-#if defined(AEDSP16_INFO) || defined(AEDSP16_DEBUG)
- printk(" Original sound card configuration:\n");
- aedsp16_pinfo();
-#endif
-
-/*
- * Now set up the real kernel configuration.
- */
- decoded_hcfg.iobase = ae_config.base_io;
- decoded_hcfg.wssbase = ae_config.mss_base;
- decoded_hcfg.mpubase = ae_config.mpu_base;
-
-#if defined(CONFIG_SC6600_JOY)
- decoded_hcfg.joystick = CONFIG_SC6600_JOY; /* Enable */
-#endif
-#if defined(CONFIG_SC6600_CDROM)
- decoded_hcfg.cdrom = CONFIG_SC6600_CDROM; /* 4:N-3:I-2:G-1:P-0:S */
-#endif
-#if defined(CONFIG_SC6600_CDROMBASE)
- decoded_hcfg.cdrombase = CONFIG_SC6600_CDROMBASE; /* 0 Disable */
-#endif
-
-#if defined(AEDSP16_DEBUG)
- DBG((" New Values:\n"));
- aedsp16_pinfo();
-#endif
-
- DBG(("success.\n"));
-}
-
-static void __init aedsp16_hard_encode(void) {
-
- DBG((" aedsp16_hard_encode: 0x%x, 0x%x\n", hard_cfg[0], hard_cfg[1]));
-
- hard_cfg[0] = 0;
- hard_cfg[1] = 0;
-
- hard_cfg[0] |= 0x20;
-
- BLDIOBASE (hard_cfg[0], decoded_hcfg.iobase);
- BLDWSSADDR(hard_cfg[0], decoded_hcfg.wssbase);
- BLDMPUADDR(hard_cfg[0], decoded_hcfg.mpubase);
- BLDJOY(hard_cfg[0], decoded_hcfg.joystick);
- BLDCDROM(hard_cfg[1], decoded_hcfg.cdrom);
- BLDCDROMADDR(hard_cfg[1], decoded_hcfg.cdrombase);
-
-#if defined(AEDSP16_DEBUG)
- aedsp16_pinfo();
-#endif
-
- DBG((" aedsp16_hard_encode: 0x%x, 0x%x\n", hard_cfg[0], hard_cfg[1]));
- DBG(("success.\n"));
-
-}
-
-static int __init aedsp16_hard_write(int port) {
-
- DBG(("aedsp16_hard_write:\n"));
-
- if (aedsp16_write(port, COMMAND_6C)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", COMMAND_6C);
- DBG(("failure.\n"));
- return FALSE;
- }
- if (aedsp16_write(port, COMMAND_5C)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", COMMAND_5C);
- DBG(("failure.\n"));
- return FALSE;
- }
- if (aedsp16_write(port, hard_cfg[0])) {
- printk("[AEDSP16] DATA 0x%x: failed!\n", hard_cfg[0]);
- DBG(("failure.\n"));
- return FALSE;
- }
- if (aedsp16_write(port, hard_cfg[1])) {
- printk("[AEDSP16] DATA 0x%x: failed!\n", hard_cfg[1]);
- DBG(("failure.\n"));
- return FALSE;
- }
- if (aedsp16_write(port, COMMAND_C5)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", COMMAND_C5);
- DBG(("failure.\n"));
- return FALSE;
- }
-
- DBG(("success.\n"));
-
- return TRUE;
-}
-
-static int __init aedsp16_hard_read(int port) {
-
- DBG(("aedsp16_hard_read:\n"));
-
- if (aedsp16_write(port, READ_HARD_CFG)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", READ_HARD_CFG);
- DBG(("failure.\n"));
- return FALSE;
- }
-
- if ((hard_cfg[0] = aedsp16_read(port)) == -1) {
- printk("[AEDSP16] aedsp16_read after CMD 0x%x: failed\n",
- READ_HARD_CFG);
- DBG(("failure.\n"));
- return FALSE;
- }
- if ((hard_cfg[1] = aedsp16_read(port)) == -1) {
- printk("[AEDSP16] aedsp16_read after CMD 0x%x: failed\n",
- READ_HARD_CFG);
- DBG(("failure.\n"));
- return FALSE;
- }
- if (aedsp16_read(port) == -1) {
- printk("[AEDSP16] aedsp16_read after CMD 0x%x: failed\n",
- READ_HARD_CFG);
- DBG(("failure.\n"));
- return FALSE;
- }
-
- DBG(("success.\n"));
-
- return TRUE;
-}
-
-static int __init aedsp16_ext_cfg_write(int port) {
-
- int extcfg, val;
-
- if (aedsp16_write(port, COMMAND_66)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", COMMAND_66);
- return FALSE;
- }
-
- extcfg = 7;
- if (decoded_hcfg.cdrom != 2)
- extcfg = 0x0F;
- if ((decoded_hcfg.cdrom == 4) ||
- (decoded_hcfg.cdrom == 3))
- extcfg &= ~2;
- if (decoded_hcfg.cdrombase == 0)
- extcfg &= ~2;
- if (decoded_hcfg.mpubase == 0)
- extcfg &= ~1;
-
- if (aedsp16_write(port, extcfg)) {
- printk("[AEDSP16] Write extcfg: failed!\n");
- return FALSE;
- }
- if (aedsp16_write(port, 0)) {
- printk("[AEDSP16] Write extcfg: failed!\n");
- return FALSE;
- }
- if (decoded_hcfg.cdrom == 3) {
- if (aedsp16_write(port, COMMAND_52)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", COMMAND_52);
- return FALSE;
- }
- if ((val = aedsp16_read(port)) == -1) {
- printk("[AEDSP16] aedsp16_read after CMD 0x%x: failed\n"
- , COMMAND_52);
- return FALSE;
- }
- val &= 0x7F;
- if (aedsp16_write(port, COMMAND_60)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", COMMAND_60);
- return FALSE;
- }
- if (aedsp16_write(port, val)) {
- printk("[AEDSP16] Write val: failed!\n");
- return FALSE;
- }
- }
-
- return TRUE;
-}
-
-#endif /* CONFIG_SC6600 */
-
-static int __init aedsp16_cfg_write(int port) {
- if (aedsp16_write(port, WRITE_MDIRQ_CFG)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", WRITE_MDIRQ_CFG);
- return FALSE;
- }
- if (aedsp16_write(port, soft_cfg)) {
- printk("[AEDSP16] Initialization of (M)IRQ and DMA: failed!\n");
- return FALSE;
- }
- return TRUE;
-}
-
-static int __init aedsp16_init_mss(int port)
-{
- DBG(("aedsp16_init_mss:\n"));
-
- mdelay(10);
-
- if (aedsp16_write(port, DSP_INIT_MSS)) {
- printk("[AEDSP16] aedsp16_init_mss [0x%x]: failed!\n",
- DSP_INIT_MSS);
- DBG(("failure.\n"));
- return FALSE;
- }
-
- mdelay(10);
-
- if (aedsp16_cfg_write(port) == FALSE)
- return FALSE;
-
- outb(soft_cfg_mss, ae_config.mss_base);
-
- DBG(("success.\n"));
-
- return TRUE;
-}
-
-static int __init aedsp16_setup_board(int port) {
- int loop = RETRY;
-
-#if defined(CONFIG_SC6600)
- int val = 0;
-
- if (aedsp16_hard_read(port) == FALSE) {
- printk("[AEDSP16] aedsp16_hard_read: failed!\n");
- return FALSE;
- }
-
- if (aedsp16_write(port, COMMAND_52)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", COMMAND_52);
- return FALSE;
- }
-
- if ((val = aedsp16_read(port)) == -1) {
- printk("[AEDSP16] aedsp16_read after CMD 0x%x: failed\n",
- COMMAND_52);
- return FALSE;
- }
-#endif
-
- do {
- if (aedsp16_write(port, COMMAND_88)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", COMMAND_88);
- return FALSE;
- }
- mdelay(10);
- } while ((aedsp16_wait_data(port) == FALSE) && loop--);
-
- if (aedsp16_read(port) == -1) {
- printk("[AEDSP16] aedsp16_read after CMD 0x%x: failed\n",
- COMMAND_88);
- return FALSE;
- }
-
-#if !defined(CONFIG_SC6600)
- if (aedsp16_write(port, COMMAND_5C)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", COMMAND_5C);
- return FALSE;
- }
-#endif
-
- if (aedsp16_cfg_write(port) == FALSE)
- return FALSE;
-
-#if defined(CONFIG_SC6600)
- if (aedsp16_write(port, COMMAND_60)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", COMMAND_60);
- return FALSE;
- }
- if (aedsp16_write(port, val)) {
- printk("[AEDSP16] DATA 0x%x: failed!\n", val);
- return FALSE;
- }
- if (aedsp16_write(port, COMMAND_6E)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", COMMAND_6E);
- return FALSE;
- }
- if (aedsp16_write(port, ver[0])) {
- printk("[AEDSP16] DATA 0x%x: failed!\n", ver[0]);
- return FALSE;
- }
- if (aedsp16_write(port, ver[1])) {
- printk("[AEDSP16] DATA 0x%x: failed!\n", ver[1]);
- return FALSE;
- }
-
- if (aedsp16_hard_write(port) == FALSE) {
- printk("[AEDSP16] aedsp16_hard_write: failed!\n");
- return FALSE;
- }
-
- if (aedsp16_write(port, COMMAND_5C)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", COMMAND_5C);
- return FALSE;
- }
-
-#if defined(THIS_IS_A_THING_I_HAVE_NOT_TESTED_YET)
- if (aedsp16_cfg_write(port) == FALSE)
- return FALSE;
-#endif
-
-#endif
-
- return TRUE;
-}
-
-static int __init aedsp16_stdcfg(int port) {
- if (aedsp16_write(port, WRITE_MDIRQ_CFG)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", WRITE_MDIRQ_CFG);
- return FALSE;
- }
- /*
- * 0x0A == (IRQ 7, DMA 1, MIRQ 0)
- */
- if (aedsp16_write(port, 0x0A)) {
- printk("[AEDSP16] aedsp16_stdcfg: failed!\n");
- return FALSE;
- }
- return TRUE;
-}
-
-static int __init aedsp16_dsp_version(int port)
-{
- int len = 0;
- int ret;
-
- DBG(("Get DSP Version:\n"));
-
- if (aedsp16_write(ae_config.base_io, GET_DSP_VERSION)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", GET_DSP_VERSION);
- DBG(("failed.\n"));
- return FALSE;
- }
-
- do {
- if ((ret = aedsp16_read(port)) == -1) {
- DBG(("failed.\n"));
- return FALSE;
- }
- /*
- * We already know how many int are stored (2), so we know when the
- * string is finished.
- */
- ver[len++] = ret;
- } while (len < CARDVERDIGITS);
- sprintf(DSPVersion, "%d.%d", ver[0], ver[1]);
-
- DBG(("success.\n"));
-
- return TRUE;
-}
-
-static int __init aedsp16_dsp_copyright(int port)
-{
- int len = 0;
- int ret;
-
- DBG(("Get DSP Copyright:\n"));
-
- if (aedsp16_write(ae_config.base_io, GET_DSP_COPYRIGHT)) {
- printk("[AEDSP16] CMD 0x%x: failed!\n", GET_DSP_COPYRIGHT);
- DBG(("failed.\n"));
- return FALSE;
- }
-
- do {
- if ((ret = aedsp16_read(port)) == -1) {
- /*
- * If no more data available, return to the caller, no error if len>0.
- * We have no other way to know when the string is finished.
- */
- if (len)
- break;
- else {
- DBG(("failed.\n"));
- return FALSE;
- }
- }
-
- DSPCopyright[len++] = ret;
-
- } while (len < CARDNAMELEN);
-
- DBG(("success.\n"));
-
- return TRUE;
-}
-
-static void __init aedsp16_init_tables(void)
-{
- int i = 0;
-
- memset(DSPCopyright, 0, CARDNAMELEN + 1);
- memset(DSPVersion, 0, CARDVERLEN + 1);
-
- for (i = 0; orIRQ[i].or; i++)
- if (orIRQ[i].val == ae_config.irq) {
- soft_cfg |= orIRQ[i].or;
- soft_cfg_mss |= orIRQ[i].or;
- }
-
- for (i = 0; orMIRQ[i].or; i++)
- if (orMIRQ[i].or == ae_config.mpu_irq)
- soft_cfg |= orMIRQ[i].or;
-
- for (i = 0; orDMA[i].or; i++)
- if (orDMA[i].val == ae_config.dma) {
- soft_cfg |= orDMA[i].or;
- soft_cfg_mss |= orDMA[i].or;
- }
-}
-
-static int __init aedsp16_init_board(void)
-{
- aedsp16_init_tables();
-
- if (aedsp16_dsp_reset(ae_config.base_io) == FALSE) {
- printk("[AEDSP16] aedsp16_dsp_reset: failed!\n");
- return FALSE;
- }
- if (aedsp16_dsp_copyright(ae_config.base_io) == FALSE) {
- printk("[AEDSP16] aedsp16_dsp_copyright: failed!\n");
- return FALSE;
- }
-
- /*
- * My AEDSP16 card return SC-6000 in DSPCopyright, so
- * if we have something different, we have to be warned.
- */
- if (strcmp("SC-6000", DSPCopyright))
- printk("[AEDSP16] Warning: non SC-6000 audio card!\n");
-
- if (aedsp16_dsp_version(ae_config.base_io) == FALSE) {
- printk("[AEDSP16] aedsp16_dsp_version: failed!\n");
- return FALSE;
- }
-
- if (aedsp16_stdcfg(ae_config.base_io) == FALSE) {
- printk("[AEDSP16] aedsp16_stdcfg: failed!\n");
- return FALSE;
- }
-
-#if defined(CONFIG_SC6600)
- if (aedsp16_hard_read(ae_config.base_io) == FALSE) {
- printk("[AEDSP16] aedsp16_hard_read: failed!\n");
- return FALSE;
- }
-
- aedsp16_hard_decode();
-
- aedsp16_hard_encode();
-
- if (aedsp16_hard_write(ae_config.base_io) == FALSE) {
- printk("[AEDSP16] aedsp16_hard_write: failed!\n");
- return FALSE;
- }
-
- if (aedsp16_ext_cfg_write(ae_config.base_io) == FALSE) {
- printk("[AEDSP16] aedsp16_ext_cfg_write: failed!\n");
- return FALSE;
- }
-#endif /* CONFIG_SC6600 */
-
- if (aedsp16_setup_board(ae_config.base_io) == FALSE) {
- printk("[AEDSP16] aedsp16_setup_board: failed!\n");
- return FALSE;
- }
-
- if (ae_config.mss_base != -1) {
- if (ae_config.init & INIT_MSS) {
- if (aedsp16_init_mss(ae_config.base_io) == FALSE) {
- printk("[AEDSP16] Can not initialize"
- "Microsoft Sound System mode.\n");
- return FALSE;
- }
- }
- }
-
-#if !defined(MODULE) || defined(AEDSP16_INFO) || defined(AEDSP16_DEBUG)
-
- printk("Audio Excel DSP 16 init v%s (%s %s) [",
- VERSION, DSPCopyright,
- DSPVersion);
-
- if (ae_config.mpu_base != -1) {
- if (ae_config.init & INIT_MPU401) {
- printk("MPU401");
- if ((ae_config.init & INIT_MSS) ||
- (ae_config.init & INIT_SBPRO))
- printk(" ");
- }
- }
-
- if (ae_config.mss_base == -1) {
- if (ae_config.init & INIT_SBPRO) {
- printk("SBPro");
- if (ae_config.init & INIT_MSS)
- printk(" ");
- }
- }
-
- if (ae_config.mss_base != -1)
- if (ae_config.init & INIT_MSS)
- printk("MSS");
-
- printk("]\n");
-#endif /* MODULE || AEDSP16_INFO || AEDSP16_DEBUG */
-
- mdelay(10);
-
- return TRUE;
-}
-
-static int __init init_aedsp16_sb(void)
-{
- DBG(("init_aedsp16_sb: "));
-
-/*
- * If the card is already init'ed MSS, we can not init it to SBPRO too
- * because the board can not emulate simultaneously MSS and SBPRO.
- */
- if (ae_config.init & INIT_MSS)
- return FALSE;
- if (ae_config.init & INIT_SBPRO)
- return FALSE;
-
- ae_config.init |= INIT_SBPRO;
-
- DBG(("done.\n"));
-
- return TRUE;
-}
-
-static void uninit_aedsp16_sb(void)
-{
- DBG(("uninit_aedsp16_sb: "));
-
- ae_config.init &= ~INIT_SBPRO;
-
- DBG(("done.\n"));
-}
-
-static int __init init_aedsp16_mss(void)
-{
- DBG(("init_aedsp16_mss: "));
-
-/*
- * If the card is already init'ed SBPRO, we can not init it to MSS too
- * because the board can not emulate simultaneously MSS and SBPRO.
- */
- if (ae_config.init & INIT_SBPRO)
- return FALSE;
- if (ae_config.init & INIT_MSS)
- return FALSE;
-/*
- * We must allocate the CONFIG_AEDSP16_BASE region too because these are the
- * I/O ports to access card's control registers.
- */
- if (!(ae_config.init & INIT_MPU401)) {
- if (!request_region(ae_config.base_io, IOBASE_REGION_SIZE,
- "aedsp16 (base)")) {
- printk(
- "AEDSP16 BASE I/O port region is already in use.\n");
- return FALSE;
- }
- }
-
- ae_config.init |= INIT_MSS;
-
- DBG(("done.\n"));
-
- return TRUE;
-}
-
-static void uninit_aedsp16_mss(void)
-{
- DBG(("uninit_aedsp16_mss: "));
-
- if ((!(ae_config.init & INIT_MPU401)) &&
- (ae_config.init & INIT_MSS)) {
- release_region(ae_config.base_io, IOBASE_REGION_SIZE);
- DBG(("AEDSP16 base region released.\n"));
- }
-
- ae_config.init &= ~INIT_MSS;
- DBG(("done.\n"));
-}
-
-static int __init init_aedsp16_mpu(void)
-{
- DBG(("init_aedsp16_mpu: "));
-
- if (ae_config.init & INIT_MPU401)
- return FALSE;
-
-/*
- * We must request the CONFIG_AEDSP16_BASE region too because these are the I/O
- * ports to access card's control registers.
- */
- if (!(ae_config.init & (INIT_MSS | INIT_SBPRO))) {
- if (!request_region(ae_config.base_io, IOBASE_REGION_SIZE,
- "aedsp16 (base)")) {
- printk(
- "AEDSP16 BASE I/O port region is already in use.\n");
- return FALSE;
- }
- }
-
- ae_config.init |= INIT_MPU401;
-
- DBG(("done.\n"));
-
- return TRUE;
-}
-
-static void uninit_aedsp16_mpu(void)
-{
- DBG(("uninit_aedsp16_mpu: "));
-
- if ((!(ae_config.init & (INIT_MSS | INIT_SBPRO))) &&
- (ae_config.init & INIT_MPU401)) {
- release_region(ae_config.base_io, IOBASE_REGION_SIZE);
- DBG(("AEDSP16 base region released.\n"));
- }
-
- ae_config.init &= ~INIT_MPU401;
-
- DBG(("done.\n"));
-}
-
-static int __init init_aedsp16(void)
-{
- int initialized = FALSE;
-
- DBG(("Initializing BASE[0x%x] IRQ[%d] DMA[%d] MIRQ[%d]\n",
- ae_config.base_io,ae_config.irq,ae_config.dma,ae_config.mpu_irq));
-
- if (ae_config.mss_base == -1) {
- if (init_aedsp16_sb() == FALSE) {
- uninit_aedsp16_sb();
- } else {
- initialized = TRUE;
- }
- }
-
- if (ae_config.mpu_base != -1) {
- if (init_aedsp16_mpu() == FALSE) {
- uninit_aedsp16_mpu();
- } else {
- initialized = TRUE;
- }
- }
-
-/*
- * In the sequence of init routines, the MSS init MUST be the last!
- * This because of the special register programming the MSS mode needs.
- * A board reset would disable the MSS mode restoring the default SBPRO
- * mode.
- */
- if (ae_config.mss_base != -1) {
- if (init_aedsp16_mss() == FALSE) {
- uninit_aedsp16_mss();
- } else {
- initialized = TRUE;
- }
- }
-
- if (initialized)
- initialized = aedsp16_init_board();
- return initialized;
-}
-
-static void __exit uninit_aedsp16(void)
-{
- if (ae_config.mss_base != -1)
- uninit_aedsp16_mss();
- else
- uninit_aedsp16_sb();
- if (ae_config.mpu_base != -1)
- uninit_aedsp16_mpu();
-}
-
-static int __initdata io = -1;
-static int __initdata irq = -1;
-static int __initdata dma = -1;
-static int __initdata mpu_irq = -1;
-static int __initdata mss_base = -1;
-static int __initdata mpu_base = -1;
-
-module_param_hw(io, int, ioport, 0);
-MODULE_PARM_DESC(io, "I/O base address (0x220 0x240)");
-module_param_hw(irq, int, irq, 0);
-MODULE_PARM_DESC(irq, "IRQ line (5 7 9 10 11)");
-module_param_hw(dma, int, dma, 0);
-MODULE_PARM_DESC(dma, "dma line (0 1 3)");
-module_param_hw(mpu_irq, int, irq, 0);
-MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ line (5 7 9 10 0)");
-module_param_hw(mss_base, int, ioport, 0);
-MODULE_PARM_DESC(mss_base, "MSS emulation I/O base address (0x530 0xE80)");
-module_param_hw(mpu_base, int, ioport, 0);
-MODULE_PARM_DESC(mpu_base,"MPU-401 I/O base address (0x300 0x310 0x320 0x330)");
-MODULE_AUTHOR("Riccardo Facchetti <fizban@tin.it>");
-MODULE_DESCRIPTION("Audio Excel DSP 16 Driver Version " VERSION);
-MODULE_LICENSE("GPL");
-
-static int __init do_init_aedsp16(void) {
- printk("Audio Excel DSP 16 init driver Copyright (C) Riccardo Facchetti 1995-98\n");
- if (io == -1 || dma == -1 || irq == -1) {
- printk(KERN_INFO "aedsp16: I/O, IRQ and DMA are mandatory\n");
- return -EINVAL;
- }
-
- ae_config.base_io = io;
- ae_config.irq = irq;
- ae_config.dma = dma;
-
- ae_config.mss_base = mss_base;
- ae_config.mpu_base = mpu_base;
- ae_config.mpu_irq = mpu_irq;
-
- if (init_aedsp16() == FALSE) {
- printk(KERN_ERR "aedsp16: initialization failed\n");
- /*
- * XXX
- * What error should we return here ?
- */
- return -EINVAL;
- }
- return 0;
-}
-
-static void __exit cleanup_aedsp16(void) {
- uninit_aedsp16();
-}
-
-module_init(do_init_aedsp16);
-module_exit(cleanup_aedsp16);
-
-#ifndef MODULE
-static int __init setup_aedsp16(char *str)
-{
- /* io, irq, dma, mss_io, mpu_io, mpu_irq */
- int ints[7];
-
- str = get_options(str, ARRAY_SIZE(ints), ints);
-
- io = ints[1];
- irq = ints[2];
- dma = ints[3];
- mss_base = ints[4];
- mpu_base = ints[5];
- mpu_irq = ints[6];
- return 1;
-}
-
-__setup("aedsp16=", setup_aedsp16);
-#endif