Subversion Repositories Kolibri OS

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;;                                                              ;;

;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;

;; Distributed under terms of the GNU General Public License    ;;

;;                                                              ;;

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

format PE DLL native 0.05

entry START

DEBUG           equ 1

API_VERSION     equ 0x01000100

USE_COM_IRQ     equ 0    ;make irq 3 and irq 4 available for PCI devices

IRQ_REMAP       equ 0

IRQ_LINE        equ 0

;irq 0,1,2,8,12,13 недоступны

;                   FEDCBA9876543210

VALID_IRQ       equ 1100111011111000b

ATTCH_IRQ       equ 0000111010100000b

if USE_COM_IRQ

ATTCH_IRQ       equ 0000111010111000b

end if

CPU_FREQ        equ  2600d

BIT0  EQU 0x00000001

BIT1  EQU 0x00000002

BIT5  EQU 0x00000020

BIT10 EQU 0x00000400

VID_Creative      equ 0x1102

CTRL_CT0200       equ 0x0006  ; Dell OEM version (EMU10K1X)

CODEC_MASTER_VOL_REG         equ 0x02

CODEC_AUX_VOL                equ 0x04 ;

CODEC_PCM_OUT_REG            equ 0x18 ; PCM output volume

CODEC_EXT_AUDIO_REG          equ 0x28 ; extended audio

CODEC_EXT_AUDIO_CTRL_REG     equ 0x2a ; extended audio control

CODEC_PCM_FRONT_DACRATE_REG  equ 0x2c ; PCM out sample rate

CODEC_PCM_SURND_DACRATE_REG  equ 0x2e ; surround sound sample rate

CODEC_PCM_LFE_DACRATE_REG    equ 0x30 ; LFE sample rate

;EMU10K1(X) host controller registers set

;; common offsets

;; some definitions were borrowed from emu10k1 driver as they seem to be the same

;;**********************************************************************************************;;

;; PCI function 0 registers, address =  + PCIBASE0                                         ;;

;;**********************************************************************************************;;

PTR                     equ  0x00            ;; Indexed register set pointer register        ;;

                                                ;; NOTE: The CHANNELNUM and ADDRESS words can   ;;

                                                ;; be modified independently of each other.     ;;

DATA                    equ  0x04            ;; Indexed register set data register           ;;

IPR                     equ  0x08            ;; Global interrupt pending register            ;;

                                                ;; Clear pending interrupts by writing a 1 to   ;;

                                                ;; the relevant bits and zero to the other bits ;;

IPR_MIDITRANSBUFEMPTY   equ  0x00000001      ;; MIDI UART transmit buffer empty              ;;

IPR_MIDIRECVBUFEMPTY    equ  0x00000002      ;; MIDI UART receive buffer empty               ;;

IPR_CH_0_LOOP           equ  0x00000800      ;; Channel 0 loop                               ;;

IPR_CH_0_HALF_LOOP      equ  0x00000100      ;; Channel 0 half loop                          ;;

IPR_CAP_0_LOOP          equ  0x00080000      ;; Channel capture loop                         ;;

IPR_CAP_0_HALF_LOOP     equ  0x00010000      ;; Channel capture half loop                    ;;

INTE                    equ  0x0c            ;; Interrupt enable register                    ;;

INTE_MIDITXENABLE       equ  0x00000001      ;; Enable MIDI transmit-buffer-empty interrupts ;;

INTE_MIDIRXENABLE       equ  0x00000002      ;; Enable MIDI receive-buffer-empty interrupts  ;;

INTE_CH_0_LOOP          equ  0x00000800      ;; Channel 0 loop                               ;;

INTE_CH_0_HALF_LOOP     equ  0x00000100      ;; Channel 0 half loop                          ;;

INTE_CAP_0_LOOP         equ  0x00080000      ;; Channel capture loop                         ;;

INTE_CAP_0_HALF_LOOP    equ  0x00010000      ;; Channel capture half loop                    ;;

HCFG                    equ  0x14            ;; Hardware config register                     ;;

HCFG_LOCKSOUNDCACHE     equ  0x00000008      ;; 1 = Cancel bustmaster accesses to soundcache ;;

                                                ;; NOTE: This should generally never be used.   ;;

HCFG_AUDIOENABLE        equ  0x00000001      ;; 0 = CODECs transmit zero-valued samples      ;;

                                                ;; Should be set to 1 when the EMU10K1 is       ;;

                                                ;; completely initialized.                      ;;

GPIO                    equ  0x18            ;; Defaults: 00001080-Analog, 00001000-SPDIF.   ;;

AC97DATA                equ  0x1c            ;; AC97 register set data register (16 bit)     ;;

AC97ADDRESS             equ  0x1e            ;; AC97 register set address register (8 bit)   ;;

;;******************************************************************************************************;;

;; Emu10k1x pointer-offset register set, accessed through the PTR and DATA registers                    ;;

;;******************************************************************************************************;;

PLAYBACK_LIST_ADDR      equ  0x00            ;; Base DMA address of a list of pointers to each period/size ;;

                                                ;; One list entry: 4 bytes for DMA address,

                                                 ;; 4 bytes for period_size << 16.

                                                 ;; One list entry is 8 bytes long.

                                                 ;; One list entry for each period in the buffer.

                                                 ;;

PLAYBACK_LIST_SIZE      equ  0x01            ;; Size of list in bytes << 19. E.g. 8 periods -> 0x00380000  ;;

PLAYBACK_LIST_PTR       equ  0x02            ;; Pointer to the current period being played ;;

PLAYBACK_DMA_ADDR       equ  0x04            ;; Playback DMA addresss ;;

PLAYBACK_PERIOD_SIZE    equ  0x05            ;; Playback period size ;;

PLAYBACK_POINTER        equ  0x06            ;; Playback period pointer. Sample currently in DAC ;;

PLAYBACK_UNKNOWN1       equ  0x07

PLAYBACK_UNKNOWN2       equ  0x08

;; Only one capture channel supported ;;

CAPTURE_DMA_ADDR        equ  0x10            ;; Capture DMA address ;;

CAPTURE_BUFFER_SIZE     equ  0x11            ;; Capture buffer size ;;

CAPTURE_POINTER         equ  0x12            ;; Capture buffer pointer. Sample currently in ADC ;;

CAPTURE_UNKNOWN         equ  0x13

;; From 0x20 - 0x3f, last samples played on each channel ;;

TRIGGER_CHANNEL         equ  0x40            ;; Trigger channel playback                     ;;

TRIGGER_CHANNEL_0       equ  0x00000001      ;; Trigger channel 0                            ;;

TRIGGER_CHANNEL_1       equ  0x00000002      ;; Trigger channel 1                            ;;

TRIGGER_CHANNEL_2       equ  0x00000004      ;; Trigger channel 2                            ;;

TRIGGER_CAPTURE         equ  0x00000100      ;; Trigger capture channel                      ;;

ROUTING                 equ  0x41            ;; Setup sound routing ?                        ;;

ROUTING_FRONT_LEFT      equ  0x00000001

ROUTING_FRONT_RIGHT     equ  0x00000002

ROUTING_REAR_LEFT       equ  0x00000004

ROUTING_REAR_RIGHT      equ  0x00000008

ROUTING_CENTER_LFE      equ  0x00010000

SPCS0                   equ  0x42            ;; SPDIF output Channel Status 0 register       ;;

SPCS1                   equ  0x43            ;; SPDIF output Channel Status 1 register       ;;

SPCS2                   equ  0x44            ;; SPDIF output Channel Status 2 register       ;;

SPCS_CLKACCYMASK        equ  0x30000000      ;; Clock accuracy                               ;;

SPCS_CLKACCY_1000PPM    equ  0x00000000      ;; 1000 parts per million                       ;;

SPCS_CLKACCY_50PPM      equ  0x10000000      ;; 50 parts per million                         ;;

SPCS_CLKACCY_VARIABLE   equ  0x20000000      ;; Variable accuracy                            ;;

SPCS_SAMPLERATEMASK     equ  0x0f000000      ;; Sample rate                                  ;;

SPCS_SAMPLERATE_44      equ  0x00000000      ;; 44.1kHz sample rate                          ;;

SPCS_SAMPLERATE_48      equ  0x02000000      ;; 48kHz sample rate                            ;;

SPCS_SAMPLERATE_32      equ  0x03000000      ;; 32kHz sample rate                            ;;

SPCS_CHANNELNUMMASK     equ  0x00f00000      ;; Channel number                               ;;

SPCS_CHANNELNUM_UNSPEC  equ  0x00000000      ;; Unspecified channel number                   ;;

SPCS_CHANNELNUM_LEFT    equ  0x00100000      ;; Left channel                                 ;;

SPCS_CHANNELNUM_RIGHT   equ  0x00200000      ;; Right channel                                ;;

SPCS_SOURCENUMMASK      equ  0x000f0000      ;; Source number                                ;;

SPCS_SOURCENUM_UNSPEC   equ  0x00000000      ;; Unspecified source number                    ;;

SPCS_GENERATIONSTATUS   equ  0x00008000      ;; Originality flag (see IEC-958 spec)          ;;

SPCS_CATEGORYCODEMASK   equ  0x00007f00      ;; Category code (see IEC-958 spec)             ;;

SPCS_MODEMASK           equ  0x000000c0      ;; Mode (see IEC-958 spec)                      ;;

SPCS_EMPHASISMASK       equ  0x00000038      ;; Emphasis                                     ;;

SPCS_EMPHASIS_NONE      equ  0x00000000      ;; No emphasis                                  ;;

SPCS_EMPHASIS_50_15     equ  0x00000008      ;; 50/15 usec 2 channel                         ;;

SPCS_COPYRIGHT          equ  0x00000004      ;; Copyright asserted flag -- do not modify     ;;

SPCS_NOTAUDIODATA       equ  0x00000002      ;; 0 = Digital audio, 1 = not audio             ;;

SPCS_PROFESSIONAL       equ  0x00000001      ;; 0 = Consumer (IEC-958), 1 = pro (AES3-1992)  ;;

SPDIF_SELECT            equ  0x45            ;; Enables SPDIF or Analogue outputs 0-Analogue, 0x700-SPDIF ;;

;; This is the MPU port on the card                                                             ;;

MUDATA          equ  0x47

MUCMD           equ  0x48

MUSTAT          equ  MUCMD

;; From 0x50 - 0x5f, last samples captured ;;

SRV_GETVERSION        equ  0

DEV_PLAY              equ  1

DEV_STOP              equ  2

DEV_CALLBACK          equ  3

DEV_SET_BUFF          equ  4

DEV_NOTIFY            equ  5

DEV_SET_MASTERVOL     equ  6

DEV_GET_MASTERVOL     equ  7

DEV_GET_INFO          equ  8

struc AC_CNTRL              ;AC controller base class

{ .bus                dd ?

  .devfn              dd ?

  .vendor             dd ?

  .dev_id             dd ?

  .pci_cmd            dd ?

  .pci_stat           dd ?

  .codec_io_base      dd ?

  .codec_mem_base     dd ?

  .ctrl_io_base       dd ?

  .ctrl_mem_base      dd ?

  .cfg_reg            dd ?

  .int_line           dd ?

  .vendor_ids         dd ?    ;vendor id string

  .ctrl_ids           dd ?    ;hub id string

  .buffer             dd ?

  .notify_pos         dd ?

  .notify_task        dd ?

  .lvi_reg            dd ?

  .ctrl_setup         dd ?

  .user_callback      dd ?

  .codec_read16       dd ?

  .codec_write16      dd ?

  .ctrl_read8         dd ?

  .ctrl_read16        dd ?

  .ctrl_read32        dd ?

  .ctrl_write8        dd ?

  .ctrl_write16       dd ?

  .ctrl_write32       dd ?

}

struc CODEC                ;Audio Chip base class

{

  .chip_id            dd ?

  .flags              dd ?

  .status             dd ?

  .ac_vendor_ids      dd ?    ;ac vendor id string

  .chip_ids           dd ?    ;chip model string

  .shadow_flag        dd ?

                      dd ?

  .regs               dw ?     ; codec registers

  .reg_master_vol     dw ?     ;0x02

  .reg_aux_out_vol    dw ?     ;0x04

  .reg_mone_vol       dw ?     ;0x06

  .reg_master_tone    dw ?     ;0x08

  .reg_beep_vol       dw ?     ;0x0A

  .reg_phone_vol      dw ?     ;0x0C

  .reg_mic_vol        dw ?     ;0x0E

  .reg_line_in_vol    dw ?     ;0x10

  .reg_cd_vol         dw ?     ;0x12

  .reg_video_vol      dw ?     ;0x14

  .reg_aux_in_vol     dw ?     ;0x16

  .reg_pcm_out_vol    dw ?     ;0x18

  .reg_rec_select     dw ?     ;0x1A

  .reg_rec_gain       dw ?     ;0x1C

  .reg_rec_gain_mic   dw ?     ;0x1E

  .reg_gen            dw ?     ;0x20

  .reg_3d_ctrl        dw ?     ;0X22

  .reg_page           dw ?     ;0X24

  .reg_powerdown      dw ?     ;0x26

  .reg_ext_audio      dw ?     ;0x28

  .reg_ext_st         dw ?     ;0x2a

  .reg_pcm_front_rate dw ?     ;0x2c

  .reg_pcm_surr_rate  dw ?     ;0x2e

  .reg_lfe_rate       dw ?     ;0x30

  .reg_pcm_in_rate    dw ?     ;0x32

                      dw ?     ;0x34

  .reg_cent_lfe_vol   dw ?     ;0x36

  .reg_surr_vol       dw ?     ;0x38

  .reg_spdif_ctrl     dw ?     ;0x3A

                      dw ?     ;0x3C

                      dw ?     ;0x3E

                      dw ?     ;0x40

                      dw ?     ;0x42

                      dw ?     ;0x44

                      dw ?     ;0x46

                      dw ?     ;0x48

                      dw ?     ;0x4A

                      dw ?     ;0x4C

                      dw ?     ;0x4E

                      dw ?     ;0x50

                      dw ?     ;0x52

                      dw ?     ;0x54

                      dw ?     ;0x56

                      dw ?     ;0x58

                      dw ?     ;0x5A

                      dw ?     ;0x5C

                      dw ?     ;0x5E

  .reg_page_0         dw ?     ;0x60

  .reg_page_1         dw ?     ;0x62

  .reg_page_2         dw ?     ;0x64

  .reg_page_3         dw ?     ;0x66

  .reg_page_4         dw ?     ;0x68

  .reg_page_5         dw ?     ;0x6A

  .reg_page_6         dw ?     ;0x6C

  .reg_page_7         dw ?     ;0x6E

                      dw ?     ;0x70

                      dw ?     ;0x72

                      dw ?     ;0x74

                      dw ?     ;0x76

                      dw ?     ;0x78

                      dw ?     ;0x7A

  .reg_vendor_id_1    dw ?     ;0x7C

  .reg_vendor_id_2    dw ?     ;0x7E

  .reset              dd ?    ;virual

  .set_master_vol     dd ?

}

struc CTRL_INFO

{   .pci_cmd          dd ?

    .irq              dd ?

    .glob_cntrl       dd ?

    .glob_sta         dd ?

    .codec_io_base    dd ?

    .ctrl_io_base     dd ?

    .codec_mem_base   dd ?

    .ctrl_mem_base    dd ?

    .codec_id         dd ?

}

EVENT_NOTIFY    equ 0x00000200

section '.flat' code readable writable executable

include '../struct.inc'

include '../macros.inc'

include '../proc32.inc'

include '../peimport.inc'

proc START c uses ebx esi edi, state:dword, cmdline:dword

        cmp     [state], 1

        jne     .stop

     if DEBUG

        mov     esi, msgInit

        invoke  SysMsgBoardStr

     end if

        call    detect_controller

        test    eax, eax

        jz      .fail

     if DEBUG

        mov     esi, [ctrl.vendor_ids]

        invoke  SysMsgBoardStr

        mov     esi, [ctrl.ctrl_ids]

        invoke  SysMsgBoardStr

     end if

        call    init_controller

        test    eax, eax

        jz      .fail

        call    init_codec

        test    eax, eax

        jz      .fail

        call    setup_codec

        mov     esi, msgPrimBuff

        invoke  SysMsgBoardStr

        call    create_primary_buff

        mov     esi, msgDone

        invoke  SysMsgBoardStr

  if IRQ_REMAP

        pushf

        cli

        mov     ebx, [ctrl.int_line]

        in      al, 0xA1

        mov     ah, al

        in      al, 0x21

        test    ebx, ebx

        jz      .skip

        bts     ax, bx                          ;mask old line

.skip:

        bts     ax, IRQ_LINE                    ;mask new ine

        out     0x21, al

        mov     al, ah

        out     0xA1, al

        stdcall PciWrite8, 0, 0xF8, 0x61, IRQ_LINE      ;remap IRQ

        mov     dx, 0x4d0                       ;8259 ELCR1

        in      al, dx

        bts     ax, IRQ_LINE

        out     dx, al                          ;set level-triggered mode

        mov     [ctrl.int_line], IRQ_LINE

        popf

        mov     esi, msgRemap

        invoke  SysMsgBoardStr

  end if

        mov     eax, VALID_IRQ

        mov     ebx, [ctrl.int_line]

        mov     esi, msgInvIRQ

        bt      eax, ebx

        jnc     .fail_msg

        mov     eax, ATTCH_IRQ

        mov     esi, msgAttchIRQ

        bt      eax, ebx

        jnc     .fail_msg

        invoke  AttachIntHandler, ebx, ac97_irq, dword 0

        stdcall create

.reg:

        invoke  RegService, sz_sound_srv, service_proc

        ret

.fail:

     if DEBUG

        mov     esi, msgFail

        invoke  SysMsgBoardStr

     end if

        xor     eax, eax

        ret

.fail_msg:

        invoke  SysMsgBoardStr

        xor     eax, eax

        ret

.stop:

        call    stop

        xor     eax, eax

        ret

endp

handle     equ  IOCTL.handle

io_code    equ  IOCTL.io_code

input      equ  IOCTL.input

inp_size   equ  IOCTL.inp_size

output     equ  IOCTL.output

out_size   equ  IOCTL.out_size

align 4

proc service_proc stdcall, ioctl:dword

        mov     edi, [ioctl]

        mov     eax, [edi+io_code]

        cmp     eax, SRV_GETVERSION

        jne     @F

        mov     eax, [edi+output]

        cmp     [edi+out_size], 4

        jne     .fail

        mov     [eax], dword API_VERSION

        xor     eax, eax

        ret

@@:

        cmp     eax, DEV_PLAY

        jne     @F

     if DEBUG

        mov     esi, msgPlay

        invoke  SysMsgBoardStr

     end if

        call    play

        ret

@@:

        cmp     eax, DEV_STOP

        jne     @F

     if DEBUG

        mov     esi, msgStop

        invoke  SysMsgBoardStr

     end if

        call    stop

        ret

@@:

        cmp     eax, DEV_CALLBACK

        jne     @F

        mov     ebx, [edi+input]

        stdcall set_callback, [ebx]

        ret

@@:

        cmp     eax, DEV_SET_MASTERVOL

        jne     @F

        mov     eax, [edi+input]

        mov     eax, [eax]

        call    set_master_vol          ;eax= vol

        ret

@@:

        cmp     eax, DEV_GET_MASTERVOL

        jne     @F

        mov     ebx, [edi+output]

        stdcall get_master_vol, ebx

        ret

@@:

        cmp     eax, DEV_GET_INFO

        jne     @F

        mov     ebx, [edi+output]

        stdcall get_dev_info, ebx

        ret

@@:

.fail:

        or      eax, -1

        ret

endp

restore   handle

restore   io_code

restore   input

restore   inp_size

restore   output

restore   out_size

align 4

proc ac97_irq

           locals

             status dd 0

           endl

;        status = inl(chip->port + IPR);

        mov     edx, IPR

        call    [ctrl.ctrl_read32]

        test    eax, eax

        jz      @f

        mov     dword [status], eax

        mov     ebx, dword [buff_list]

        cmp     [ctrl.user_callback], 0

        je      @f

        stdcall [ctrl.user_callback], ebx

       @@:

        mov     eax, dword [status]               ;; ack ;;

        mov     edx, IPR

        call    [ctrl.ctrl_write32]

        ret

endp

align 4

proc create_primary_buff

        invoke  KernelAlloc, 0x10000

        mov     [ctrl.buffer], eax

        mov     edi, eax

        mov     ecx, 0x10000/4

        xor     eax, eax

        cld

        rep stosd

        mov     eax, [ctrl.buffer]

        invoke  GetPgAddr

        mov     edi, pcmout_bdl

        stosd

        mov     eax, 0x4000000

        stosd

        mov     edi, buff_list

        mov     eax, [ctrl.buffer]

        stosd                        ;1.]

        mov     eax, [ctrl.buffer]

        invoke  GetPgAddr

        stdcall ptr_write, PLAYBACK_POINTER, 0, 0

        stdcall ptr_write, PLAYBACK_UNKNOWN1, 0, 0

        stdcall ptr_write, PLAYBACK_UNKNOWN2, 0, 0

        stdcall ptr_write, PLAYBACK_DMA_ADDR, 0, eax

        mov     eax, pcmout_bdl

        mov     ebx, eax

        invoke  GetPgAddr

        and     ebx, 0xFFF

        add     eax, ebx

        stdcall ptr_write, PLAYBACK_LIST_ADDR, 0, eax

        stdcall ptr_write, PLAYBACK_LIST_SIZE, 0, 0

        stdcall ptr_write, PLAYBACK_LIST_PTR, 0, 0

           ;mov     eax, 0x00004000

           ;shl     eax, 16

        stdcall ptr_write, PLAYBACK_PERIOD_SIZE, 0, 0x40000000    ;eax

        ret

endp

align 4

proc detect_controller

           locals

             last_bus dd ?

             bus      dd ?

             devfn    dd ?

           endl

        xor     eax, eax

        mov     [bus], eax

        inc     eax

        invoke  PciApi

        cmp     eax, -1

        je      .err

        mov     [last_bus], eax

.next_bus:

        and     [devfn], 0

.next_dev:

        invoke  PciRead32, [bus], [devfn], dword 0

        test    eax, eax

        jz      .next

        cmp     eax, -1

        je      .next

        mov     edi, devices

@@:

        mov     ebx, [edi]

        test    ebx, ebx

        jz      .next

        cmp     eax, ebx

        je      .found

        add     edi, 12

        jmp     @B

.next:

        inc     [devfn]

        cmp     [devfn], 256

        jb      .next_dev

        mov     eax, [bus]

        inc     eax

        mov     [bus], eax

        cmp     eax, [last_bus]

        jna     .next_bus

        xor     eax, eax

        ret

.found:

        mov     ebx, [bus]

        mov     [ctrl.bus], ebx

        mov     ecx, [devfn]

        mov     [ctrl.devfn], ecx

        mov     edx, eax

        and     edx, 0xFFFF

        mov     [ctrl.vendor], edx

        shr     eax, 16

        mov     [ctrl.dev_id], eax

        mov     ebx, [edi+4]

        mov     [ctrl.ctrl_ids], ebx

        mov     esi, [edi+8]

        mov     [ctrl.ctrl_setup], esi

        cmp     edx, VID_Creative

        jne     @F

        mov     [ctrl.vendor_ids], msg_Creative

        ret

@@:

.err:

        xor     eax, eax

        mov     [ctrl.vendor_ids], eax    ;something  wrong ?

        ret

endp

align 4

proc init_controller

        invoke  PciRead32, [ctrl.bus], [ctrl.devfn], dword 0x2C

        mov     esi, msgPciSubsys

        invoke  SysMsgBoardStr

        call    dword2str

        invoke  SysMsgBoardStr

        invoke  PciRead32, [ctrl.bus], [ctrl.devfn], dword 4

        mov     ebx, eax

        and     eax, 0xFFFF

        mov     [ctrl.pci_cmd], eax

        shr     ebx, 16

        mov     [ctrl.pci_stat], ebx

        mov     esi, msgPciCmd

        invoke  SysMsgBoardStr

        call    dword2str

        invoke  SysMsgBoardStr

        mov     esi, msgPciStat

        invoke  SysMsgBoardStr

        mov     eax, [ctrl.pci_stat]

        call    dword2str

        invoke  SysMsgBoardStr

        mov     esi, msgCtrlIsaIo

        invoke  SysMsgBoardStr

        invoke  PciRead32, [ctrl.bus], [ctrl.devfn], dword 0x10

        call    dword2str

        invoke  SysMsgBoardStr

        and     eax, 0xFFC0

        mov     [ctrl.ctrl_io_base], eax

.default:

        invoke  PciRead32, [ctrl.bus], [ctrl.devfn], dword 0x3C

        and     eax, 0xFF

@@:

        mov     [ctrl.int_line], eax

        call    [ctrl.ctrl_setup]

        xor     eax, eax

        inc     eax

        ret

endp

align 4

proc set_Creative

        mov     [ctrl.codec_read16], codec_io_r16         ;virtual

        mov     [ctrl.codec_write16], codec_io_w16        ;virtual

        mov     [ctrl.ctrl_read8 ], ctrl_io_r8            ;virtual

        mov     [ctrl.ctrl_read16], ctrl_io_r16           ;virtual

        mov     [ctrl.ctrl_read32], ctrl_io_r32           ;virtual

        mov     [ctrl.ctrl_write8 ], ctrl_io_w8           ;virtual

        mov     [ctrl.ctrl_write16], ctrl_io_w16          ;virtual

        mov     [ctrl.ctrl_write32], ctrl_io_w32          ;virtual

        ret

endp

align 4

proc init_codec

        call    reset_codec

        test    eax, eax

        jz      .err

        call    detect_codec

        xor     eax, eax

        inc     eax

        ret

     .err:

        xor     eax, eax

        ret

endp

align 4

proc reset_codec

           locals

             counter dd ?

           endl

     if DEBUG

        mov     esi, msgCold

        invoke  SysMsgBoardStr

     end if

        mov     eax, 100000         ; wait 100 ms ;400000     ; wait 400 ms

        call    StallExec

        stdcall ptr_read, TRIGGER_CHANNEL, 0

        mov     [counter], 16        ; total 20*100 ms = 2s

.wait:

        stdcall codec_read, dword 0x26

        test    eax, 1

        jnz     .ok

        mov     eax, 100000        ; wait 100 ms

        call    StallExec

        dec     [counter]

        jnz     .wait

     if DEBUG

        mov     esi, msgCRFail

        invoke  SysMsgBoardStr

     end if

.fail:

        stc

        ret

.ok:

        xor     eax, eax

        inc     eax

        ret

endp

align 4

play:

        mov     eax, INTE_CH_0_LOOP

        stdcall intr_enable, eax

        stdcall ptr_read, TRIGGER_CHANNEL, 0

        mov     ebx, TRIGGER_CHANNEL_0

        or      eax, ebx

        stdcall ptr_write, TRIGGER_CHANNEL, 0, eax

        xor     eax, eax

        ret

align 4

stop:

        mov     eax, INTE_CH_0_LOOP or INTE_CH_0_HALF_LOOP

        stdcall intr_disable, eax

        stdcall ptr_read, TRIGGER_CHANNEL, 0

        mov     ebx, TRIGGER_CHANNEL_0

        xor     ebx, -1

        or      eax, ebx

        stdcall ptr_write, TRIGGER_CHANNEL, 0, eax

        xor     eax, eax

        ret

align 4

proc get_dev_info stdcall, p_info:dword

           virtual at esi

             CTRL_INFO CTRL_INFO

           end virtual

        mov     esi, [p_info]

        mov     eax, [ctrl.int_line]

        mov     ecx, [ctrl.ctrl_io_base]

        mov     [CTRL_INFO.irq], eax

        mov     [CTRL_INFO.ctrl_io_base], ecx

        mov     eax, [codec.chip_id]

        mov     [CTRL_INFO.codec_id], eax

        mov     ebx, [ctrl.pci_cmd]

        mov     [CTRL_INFO.pci_cmd], ebx

        xor     eax, eax

        mov     [CTRL_INFO.codec_io_base], eax

        mov     [CTRL_INFO.codec_mem_base], eax

        mov     [CTRL_INFO.ctrl_mem_base], eax

        mov     [CTRL_INFO.glob_cntrl], eax

        mov     [CTRL_INFO.glob_sta], eax

        ret

endp

align 4

proc set_callback stdcall, handler:dword

        mov     eax, [handler]

        mov     [ctrl.user_callback], eax

        ret

endp

align 4

proc create stdcall

        invoke  PciRead16, [ctrl.bus], [ctrl.devfn], 4

        test    eax, 4     ; test master bit

        jnz     @f

        or      eax, 4

        invoke  PciWrite16, [ctrl.bus], [ctrl.devfn], 4, eax     ; set master bit

         @@:

        xor     eax, eax

        mov     edx, INTE

        call    [ctrl.ctrl_write32]

        stdcall ptr_write, SPCS0, 0, \

                SPCS_CLKACCY_1000PPM or SPCS_SAMPLERATE_48 or \

                SPCS_CHANNELNUM_LEFT or SPCS_SOURCENUM_UNSPEC or \

                SPCS_GENERATIONSTATUS or 0x00001200 or \

                0x00000000 or SPCS_EMPHASIS_NONE or SPCS_COPYRIGHT

        stdcall ptr_write, SPCS1, 0, \

                SPCS_CLKACCY_1000PPM or SPCS_SAMPLERATE_48 or \

                SPCS_CHANNELNUM_LEFT or SPCS_SOURCENUM_UNSPEC or \

                SPCS_GENERATIONSTATUS or 0x00001200 or \

                0x00000000 or SPCS_EMPHASIS_NONE or SPCS_COPYRIGHT

        stdcall ptr_write, SPCS2, 0, \

                SPCS_CLKACCY_1000PPM or SPCS_SAMPLERATE_48 or \

                SPCS_CHANNELNUM_LEFT or SPCS_SOURCENUM_UNSPEC or \

                SPCS_GENERATIONSTATUS or 0x00001200 or \

                0x00000000 or SPCS_EMPHASIS_NONE or SPCS_COPYRIGHT

        stdcall ptr_write, SPDIF_SELECT, 0, 0x700      ; disable SPDIF

        stdcall ptr_write, ROUTING, 0, 0x1003F         ; routing

        stdcall gpio_write, 0x1080                     ; analog mode

        mov     eax, dword HCFG_LOCKSOUNDCACHE or HCFG_AUDIOENABLE

        mov     edx, HCFG

        call    [ctrl.ctrl_write32]

        ret

endp

align 4

proc codec_read stdcall, reg:dword

        stdcall ac97_read, dword [reg]

        ret

endp

align 4

proc codec_write stdcall, reg:dword

        stdcall ac97_write, dword [reg], eax

        ret

endp

align 4

proc ac97_read stdcall, reg:dword

        push    edx

        mov     eax, dword [reg]

        mov     edx, AC97ADDRESS

        call    [ctrl.ctrl_write8]

        mov     edx, AC97DATA

        call    [ctrl.ctrl_read16]

        and     eax, 0xFFFF

        pop     edx

        ret

endp

align 4

proc ac97_write stdcall, reg:dword, val:dword

        push    eax edx

        mov     eax, dword [reg]

        mov     edx, AC97ADDRESS

        call    [ctrl.ctrl_write8]

        mov     eax, dword [val]

        mov     edx, AC97DATA

        call    [ctrl.ctrl_write16]

        pop     edx eax

        ret

endp

align 4

proc ptr_read stdcall, reg:dword, chn:dword

        push    edx

        mov     eax, dword [reg]

        shl     eax, 16

        or      eax, dword [chn]

        mov     edx, PTR

        call    [ctrl.ctrl_write32]

        mov     edx, DATA

        call    [ctrl.ctrl_read32]

        pop     edx

        ret

endp

align 4

proc ptr_write stdcall, reg:dword, chn:dword, data:dword

        push    eax edx

        mov     eax, dword [reg]

        shl     eax, 16

        or      eax, dword [chn]

        mov     edx, PTR

        call    [ctrl.ctrl_write32]

        mov     eax, dword [data]

        mov     edx, DATA

        call    [ctrl.ctrl_write32]

        pop     edx eax

        ret

endp

align 4

proc intr_enable stdcall, intrenb:dword

        push    edx

        mov     edx, INTE

        call    [ctrl.ctrl_read32]

        or      eax, dword [intrenb]

        mov     edx, INTE

        call    [ctrl.ctrl_write32]

        pop     edx

        ret

endp

align 4

proc intr_disable stdcall, intrenb:dword

        push    eax ebx edx

        mov     edx, INTE

        call    [ctrl.ctrl_read32]

        mov     ebx, dword [intrenb]

        xor     ebx, -1

        and     eax, ebx

        mov     edx, INTE

        call    [ctrl.ctrl_write32]

        pop     edx ebx eax

        ret

endp

align 4

proc gpio_write stdcall, value:dword

        push    eax edx

        mov     eax, dword [value]

        mov     edx, GPIO

        call    [ctrl.ctrl_write32]

        pop     edx eax

        ret

endp

align 4

proc StallExec

        push    ecx

        push    edx

        push    ebx

        push    eax

        mov     ecx, CPU_FREQ

        mul     ecx

        mov     ebx, eax           ;low

        mov     ecx, edx           ;high

        rdtsc

        add     ebx, eax

        adc     ecx, edx

@@:

        rdtsc

        sub     eax, ebx

        sbb     edx, ecx

        js      @B

        pop     eax

        pop     ebx

        pop     edx

        pop     ecx

        ret

endp

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;          CONTROLLER IO functions

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

align 4

proc codec_io_r16 ;Not used.

           ;mov      edx, [ctrl.ctrl_io_base]

           ;in       eax, dx

        ret

endp

align 4

proc codec_io_w16 ;Not used.

           ;mov      edx, [ctrl.ctrl_io_base]

           ;out      dx,  eax

        ret

endp

align 4

proc ctrl_io_r8

        add     edx, [ctrl.ctrl_io_base]

        in      al, dx

        ret

endp

align 4

proc ctrl_io_r16

        add     edx, [ctrl.ctrl_io_base]

        in      ax, dx

        ret

endp

align 4

proc ctrl_io_r32

        add     edx, [ctrl.ctrl_io_base]

        in      eax, dx

        ret

endp

align 4

proc ctrl_io_w8

        add     edx, [ctrl.ctrl_io_base]

        out     dx, al

        ret

endp

align 4

proc ctrl_io_w16

        add     edx, [ctrl.ctrl_io_base]

        out     dx, ax

        ret

endp