from Nable: SB16 MASTERVOLUME
git-svn-id: svn://kolibrios.org@850 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
parent
c6d4df748c
commit
bdd8453ba4
@ -1,6 +1,6 @@
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;flags------------------------------------------------------------
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DEBUG equ 1 ;show messages at debug board
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use_cli_sti equ 1 ;driver come more stable (theoretically)
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DEBUG equ 1 ;show messages at debug board
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use_cli_sti equ 1 ;driver become more stable (theoretically)
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;constants--------------------------------------------------------
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API_VERSION equ 0 ;debug
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@ -10,20 +10,29 @@ new_app_base equ 0x0
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PROC_BASE equ (OS_BASE+0x080000)
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SB16Buffer equ (OS_BASE+0x2A0000)
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SB16_Status equ (OS_BASE+0x2B0000)
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DMAPage equ ((SB16Buffer-OS_BASE) shr 16)
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DMAPage equ ((SB16Buffer-OS_BASE) shr 16)
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SB16Buffer0 equ SB16Buffer
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SB16Buffer1 equ (SB16Buffer+16384)
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SB16Buffer2 equ (SB16Buffer+(2*16384))
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SB16Buffer3 equ (SB16Buffer+(3*16384))
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sb_irq_num equ 5
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sb_dma_num equ 5
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sb_buffer_size equ 32768 ;really it needs code modifications to change
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;buffer size
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sb_out_rate equ 44100
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;time constant for cards older than SB16
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sb_irq_num equ 5 ;default values for SB16, may be overrided by autodetect
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sb_dma_num equ 5 ;default values for SB16, may be overrided by autodetect
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small_buffer equ 32768
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full_buffer equ 65536
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sb_buffer_size equ full_buffer
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__supported_buffer_sizes fix <small_buffer, full_buffer>
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if ~(sb_buffer_size in __supported_buffer_sizes)
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display 13,10,'unsupported buffer size was selected, check config.inc',13,10
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stop
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end if
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sb_out_rate equ 48000
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;time constant for cards older than SB16
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sb_tc equ (256-(1000000/(sb_out_rate*2)))
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SRV_GETVERSION equ 0
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@ -43,7 +43,7 @@ end if
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mov al,((sb_buffer_size-1) and 0xff)
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out dx,al
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mov al,((sb_buffer_size-1) shr 8) ;it is the same
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mov al,((sb_buffer_size-1) shr 8) ;it is the same
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out dx,al
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mov eax,ebx ;unmask DMA channel
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@ -129,8 +129,8 @@ proc sb_play
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mov edx,[sb_base_port]
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add dl,0xC
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sb_out 0xD1 ;turn speaker on
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; sb_out 0x48 ;set DSP transfer size ;for older cards
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; sb_out 0x48 ;set DSP transfer size ;for older cards, not supported
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; ;in this version
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; mov ax,32767 ;(64k)/2-1
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;@@: ;out the low byte...
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; in al,dx
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@ -162,7 +162,7 @@ proc sb_play
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; || ||||
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; ---------reserved
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;wSize is a number of 16bit samples less 1. For auto-init mode each half
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;buffer is (64k)/2 bytes long and, obviously, contains ((64k)/2)/2 bytes
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;buffer is (64k)/2 bytes long and, obviously, contains ((64k)/2)/2 samples
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sb_out (((sb_buffer_size/2/2)-1) and 0xFF) ;wSize.LowByte
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sb_out (((sb_buffer_size/2/2)-1) shr 8) ;wSize.HighByte
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ret
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@ -192,6 +192,7 @@ end if
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out dx,al
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ret
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endp
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;-------------------------------------------------------------------------------
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; set the rate for playing, enable stereo
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;-------------------------------------------------------------------------------
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@ -204,7 +205,8 @@ proc sb_setup
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sb_out 41h ;set sound rate, this can only SB16
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sb_out (sb_out_rate shr 8) ;first high byte (MSB)
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sb_out (sb_out_rate and 0xff) ;then low byte (LSB)
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; mov al,0xE
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; mov al,0xE ;for older cards, not supported in this version
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; sub dl,(0xC-4) ;talk to SB's mixer
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; out dx,al ;select this register of the mixer
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; mov ecx,6 ;wait for the chip
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@ -236,4 +238,60 @@ proc sb_setup
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; in al,dx
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; loop @b
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ret
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endp
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endp
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;-------------------------------------------------------------------------------
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; set master volume of SB mixer, note, not only SB16 but SBPro and older
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; this is the first step to more full support for hardware
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;-------------------------------------------------------------------------------
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;in: eax in range [-10000;0] - master volume for _both_ channels
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;note that x*3*17/2000 and x*3/2000*17 are not the same numbers,
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;because we count in integers
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proc sb_set_master_vol
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mov [sb_master_vol],eax
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add eax,10000 ;SB sound level rise from 0 to MAX_LEVEL
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lea eax,[eax+eax*2] ;*3
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mov ebx,2000 ;divisor
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xor edx,edx
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cmp byte[sb_DSP_version_int],4
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jae @f ;SBPro's MAX_LEVEL is 15, but we *11 because
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;volume byte looks like that: 0xLR, where L - left
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;channel volume, R - right, 0<=R,L<=15
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div ebx
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imul eax,17
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mov edx,[sb_base_port]
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push eax ;here for optimisation
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add dl,4
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mov al,0x22 ;write mixer register 0x22
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out dx,al
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in al,dx ;wait for the chip ;6
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in al,dx ;wait for the chip ;5
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in al,dx ;wait for the chip ;4
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in al,dx ;wait for the chip ;3
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in al,dx ;wait for the chip ;2
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in al,dx ;wait for the chip ;1
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pop eax ;go!
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inc edx
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out dx,al
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ret
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@@: ;SB16's MAX_LEVEL is 255
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imul eax,17
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div ebx
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mov edx,[sb_base_port]
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push eax ;here for optimisation
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add dl,4
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mov al,0x30 ;left speaker
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out dx,al
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pop eax ;<--+
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inc edx ; \/
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push eax ;here for optimisation
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out dx,al ;write
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dec edx
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mov al,0x31 ;right speaker
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out dx,al
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pop eax
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inc edx
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out dx,al ;write
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ret
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endp
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;-------------------------------------------------------------------------------
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@ -37,7 +37,6 @@ include 'sb16.inc'
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;-------------------------------------------------------------------------------
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proc START stdcall, state:dword
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cmp [state], 1
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jne .stop
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.entry:
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@ -53,15 +52,16 @@ end if
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if DEBUG
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movzx eax,al ;major version
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mov esi,sb_DSP_description
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dec eax
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jz .sb_say_about_found_dsp
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mov dword[sb_DSP_description],'2.x '
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mov dword[esi],'2.x '
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dec eax
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jz .sb_say_about_found_dsp
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mov dword[sb_DSP_description],'Pro '
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mov dword[esi],'Pro '
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dec eax
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jz .sb_say_about_found_dsp
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mov dword[sb_DSP_description],'16 '
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mov dword[esi],'16 '
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.sb_say_about_found_dsp:
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mov esi,msgDSPFound
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call SysMsgBoardStr
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@ -69,7 +69,7 @@ end if
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xor eax,eax
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mov ebx,[sb_base_port]
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lea ecx,[ebx+0xF]
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call ReservePortArea ;these ports must be mine!
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call ReservePortArea ;these ports must be my!
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if DEBUG
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dec eax
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jnz @f
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@ -147,6 +147,8 @@ end if
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call sb_set_dma ;is it really needed here? Paranoia.
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call sb_play
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xor eax,eax ;set maximum volume
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call sb_set_master_vol
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xor eax,eax
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ret
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;@@: ;all this commented stuff in service proc
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@ -172,29 +174,34 @@ end if
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if DEBUG
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call SysMsgBoardNum
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end if
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xor eax,eax
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ret
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@@:
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; cmp eax,DEV_SET_MASTERVOL
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; jne @F
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;if DEBUG
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; mov esi,msgSetVol
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; call SysMsgBoardStr
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;end if
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; mov eax,[edi+input]
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; mov eax,[eax]
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; mov [sb_master_vol],eax
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; ret
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;@@:
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; cmp eax,DEV_GET_MASTERVOL
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; jne @F
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;if DEBUG
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; mov esi,msgGetVol
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; call SysMsgBoardStr
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;end if
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; mov eax,[edi+output]
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; mov edx,[sb_master_vol]
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; mov [eax],edx
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; ret
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cmp eax,DEV_SET_MASTERVOL ;Serge asked me to unlock
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jne @F ;DEV_SET(GET)_MASTERVOL, although mixer doesn't use it.
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;It doesn't use it _in current version_ - but in the future...
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if DEBUG
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mov esi,msgSetVol
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call SysMsgBoardStr
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end if
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mov eax,[edi+input]
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mov eax,[eax]
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call sb_set_master_vol
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xor eax,eax
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ret
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@@:
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cmp eax,DEV_GET_MASTERVOL
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jne @F
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if DEBUG
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mov esi,msgGetVol
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call SysMsgBoardStr
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end if
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mov eax,[edi+output]
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mov edx,[sb_master_vol]
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mov [eax],edx
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xor eax,eax
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ret
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.fail:
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or eax, -1
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@ -222,18 +229,22 @@ pre_fill_data:
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test eax,eax
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jns .fill_second_half
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stdcall [callback],SB16Buffer0 ;for 32k buffer
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; stdcall [callback],SB16Buffer0 ;for 64k buffer
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; stdcall [callback],SB16Buffer1 ;for 64k buffer
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if sb_buffer_size eq small_buffer
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stdcall [callback],SB16Buffer0 ;for 32k buffer
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else if sb_buffer_size eq full_buffer
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stdcall [callback],SB16Buffer0 ;for 64k buffer
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stdcall [callback],SB16Buffer1 ;for 64k buffer
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end if
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xor eax,eax
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ret
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.fill_second_half:
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stdcall [callback],SB16Buffer1 ;for 32k buffer
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; stdcall [callback],SB16Buffer2 ;for 64k buffer
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; stdcall [callback],SB16Buffer3 ;for 64k buffer
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if sb_buffer_size eq small_buffer
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stdcall [callback],SB16Buffer1 ;for 32k buffer
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else if sb_buffer_size eq full_buffer
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stdcall [callback],SB16Buffer2 ;for 64k buffer
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stdcall [callback],SB16Buffer3 ;for 64k buffer
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end if
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xor eax,eax
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ret
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endp
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@ -291,6 +302,7 @@ end if
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div dl
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ror eax,16
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xor ah,ah
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mov [sb_DSP_version_int],eax ;for internal usage
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if DEBUG
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add [sb_DSP_version],eax
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end if
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@ -302,7 +314,7 @@ end if
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endp
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;-------------------------------------------------------------------------------
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if DEBUG
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proc SysMsgBoardNum
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proc SysMsgBoardNum ;warning: destroys eax,ebx,ecx,esi
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mov ebx,eax
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mov ecx,8
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mov esi,(number_to_out+1)
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@ -323,17 +335,10 @@ proc SysMsgBoardNum
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endp
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end if
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;all initialized data place here
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align 4
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version dd (5 shl 16) or (API_VERSION and 0xFFFF)
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sb_base_port: dd 200h
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;pTempBuf dd 0
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callback dd 0
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int_flip_flop dd 0
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sb_base_port: dd 200h ;don't ask me why - see the code&docs
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sound_dma dd sb_dma_num
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@ -341,8 +346,6 @@ sound_dma dd sb_dma_num
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;plugging the first DMA controler to the second
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dma_table db 0x87,0x83,0x81,0x82,0xFF,0x8B,0x89,0x8A
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;sb_master_vol dd 0
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my_service db 'SOUND',0 ;max 16 chars include zero
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if DEBUG
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@ -360,8 +363,8 @@ msgSucAtchIRQ db 'succesfully attached IRQ',(sb_irq_num+'0')
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db ' as hardcoded',13,10,0
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msgErrRsrvPorts db 'failed to reserve needed ports.',13,10
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db 'Driver may work unstable',13,10,0
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;msgSetVol db 'DEV_SET_MASTERVOL call came',13,10,0
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;msgGetVol db 'DEV_GET_MASTERVOL call came',13,10,0
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msgSetVol db 'DEV_SET_MASTERVOL call came',13,10,0
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msgGetVol db 'DEV_GET_MASTERVOL call came',13,10,0
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msgErrDMAsetup db 'failed to setup DMA - bad channel',13,10,0
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;-------------------------------------------------------------------------------
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msgDSPFound db 'DSP found at port 2'
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@ -371,5 +374,16 @@ sb_DSP_version: db '0.00 - SB'
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sb_DSP_description: db 32,32,32,32,13,10,0
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;-------------------------------------------------------------------------------
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end if
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;section '.data' data readable writable align 16
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section '.data' data readable writable align 16
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;all uninitialized data place here
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;pTempBuf rd 1
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callback rd 1
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int_flip_flop rd 1
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sb_master_vol rd 1
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sb_DSP_version_int rd 1
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@ -7,9 +7,13 @@
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format MS COFF
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DEBUG equ 1
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include 'proc32.inc'
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include 'imports.inc'
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API_VERSION equ 0
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UART_VERSION equ API_VERSION
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