diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/sgi/audio/hal2.c | 55 | ||||
| -rw-r--r-- | drivers/sgi/audio/hal2.h | 122 |
2 files changed, 103 insertions, 74 deletions
diff --git a/drivers/sgi/audio/hal2.c b/drivers/sgi/audio/hal2.c index 25b122698..4d931d24f 100644 --- a/drivers/sgi/audio/hal2.c +++ b/drivers/sgi/audio/hal2.c @@ -1,7 +1,8 @@ -/* +/* $Id$ + * * drivers/sgi/audio/hal2.c * - * Copyright (C) 1998 Ulf Carlsson (ulfc@bun.falkenberg.se) + * Copyright (C) 1998-1999 Ulf Carlsson (ulfc@bun.falkenberg.se) * */ @@ -110,25 +111,24 @@ static unsigned short ireg_read(unsigned short address) int tmp; h2_ctrl->iar = address; - tmp = h2_ctrl->idr0; INDIRECT_WAIT(h2_ctrl); + tmp = h2_ctrl->idr0; return tmp; } static void ireg_write(unsigned short address, unsigned short val) { - h2_ctrl->iar = address; h2_ctrl->idr0 = val; + h2_ctrl->iar = address; INDIRECT_WAIT(h2_ctrl); } static void ireg_write2(unsigned short address, unsigned short val0, unsigned short val1) { - h2_ctrl->iar = address; h2_ctrl->idr0 = val0; - INDIRECT_WAIT(h2_ctrl); h2_ctrl->idr1 = val1; + h2_ctrl->iar = address; INDIRECT_WAIT(h2_ctrl); } @@ -137,10 +137,10 @@ static void ireg_setbit(unsigned short write_address, unsigned short int tmp; h2_ctrl->iar = read_address; - tmp = h2_ctrl->idr0; INDIRECT_WAIT(h2_ctrl); - h2_ctrl->iar = write_address; + tmp = h2_ctrl->idr0; h2_ctrl->idr0 = tmp | bit; + h2_ctrl->iar = write_address; INDIRECT_WAIT(h2_ctrl); } @@ -150,10 +150,10 @@ static void ireg_clearbit(unsigned short write_address, unsigned short int tmp; h2_ctrl->iar = read_address; - tmp = h2_ctrl->idr0; INDIRECT_WAIT(h2_ctrl); - h2_ctrl->iar = write_address; + tmp = h2_ctrl->idr0; h2_ctrl->idr0 = tmp & ~bit; + h2_ctrl->iar = write_address; INDIRECT_WAIT(h2_ctrl); } @@ -161,7 +161,7 @@ static int hal2_probe(void) { unsigned short board, major, minor; - if (!(!h2_ctrl->rev & H2_REV_AUDIO_PRESENT)) { + if (h2_ctrl->rev & H2_REV_AUDIO_PRESENT) { printk("hal2: there was no device?\n"); return -ENODEV; @@ -169,9 +169,38 @@ static int hal2_probe(void) board = (h2_ctrl->rev & H2_REV_BOARD_M) >> 12; major = (h2_ctrl->rev & H2_REV_MAJOR_CHIP_M) >> 4; minor = (h2_ctrl->rev & H2_REV_MINOR_CHIP_M); + printk("SGI HAL2 Processor, Revision %i.%i.%i\n", board, major, minor); + if (board != 4 || major != 1 || minor != 0) { + printk("hal2: Other revision than 4.1.0 detected\n"); + printk("hal2: Your card is probably not supported\n"); + } + +#ifdef DEBUG + printk("hal2: checking registers\n"); +#endif + + /* check that the indirect registers are working by writing some bogus + * stuff and then reading it back */ + + ireg_write(H2IW_DAC_C1, 0x23); /* 16 bit register */ + ireg_write2(H2IW_DAC_C2, 0x123, 0x321); /* 32 bit register */ + + if (ireg_read(H2IR_ADC_C1) != 0x23) { + printk("hal2: Didn't pass register check #1\n"); + return -ENODEV; + } + if (ireg_read(H2IR_DAC_C2_0) != 0x123) { + printk("hal2: Didn't pass register check #2\n"); + return -ENODEV; + } + if (ireg_read(H2IR_DAC_C2_1) != 0x321) { + printk("hal2: Didn't pass register check #3\n"); + return -ENODEV; + } + #ifdef DEBUG printk("hal2: card found\n"); #endif @@ -208,7 +237,6 @@ static int hal2_init(struct sgiaudio *sa) printk("hal2: resetting chip\n"); #endif - /* do a global reset */ h2_ctrl->isr = 0; @@ -610,8 +638,7 @@ static void hal2_configure_bres##clock(struct hal2_private *hp, \ int inc = 4; \ \ ireg_write(H2IW_BRES##clock##_C1 , master); \ - ireg_write2(H2IW_BRES##clock##_C2_0 , inc, \ - mod); \ + ireg_write2(H2IW_BRES##clock##_C2 , inc, mod); \ } \ __BUILD_CONF_BRESN_CLOCK(1) diff --git a/drivers/sgi/audio/hal2.h b/drivers/sgi/audio/hal2.h index 928a4fac0..bfbd74f9b 100644 --- a/drivers/sgi/audio/hal2.h +++ b/drivers/sgi/audio/hal2.h @@ -58,11 +58,12 @@ struct hal2_vol_regs { /* * Address of indirect internal register to be accessed. A write to this * register initiates read or write access to the indirect registers in the - * HAL2. Note that there af four indirect data registers. + * HAL2. Note that there af four indirect data registers for write access to + * registers larger than 16 byte. */ #define H2_IAR_TYPE_M 0xF000 /* bits 15:12, type of functional */ - /* block the register resides in */ + /* block the register resides in */ /* 1=DMA Port */ /* 9=Global DMA Control */ /* 2=Bresenham */ @@ -95,24 +96,28 @@ struct hal2_vol_regs { /* * HAL2 internal addressing * - * The HAL2 has "indirect registers" which are accessed by writing the register - * number into the Indirect Address register. And then reading or writing to the - * Indirect Data registers as appropriate. + * The HAL2 has "indirect registers" (idr) which are accessed by writing to the + * Indirect Data registers. Write the address to the Indirect Address register + * to transfer the data. * - * The indirect registers always differ with 0x80 however we explicity give the - * two addresses here. We define the H2IR_* to the read address and H2IW_* to - * the write address and H2I_* to be fields in whatever register is referred to. + * We define the H2IR_* to the read address and H2IW_* to the write address and + * H2I_* to be fields in whatever register is referred to. + * + * When we write to indirect registers which are larger than one word (16 bit) + * we have to fill more than one indirect register before writing. When we read + * back however we have to read several times, each time with different Read + * Back Indexes (there are defs for doing this easily). */ /* * Relay Control */ -#define H2IW_RELAY_C 0x09100 /* state of RELAY pin signal */ -#define H2IR_RELAY_C 0x09180 /* state of RELAY pin signal */ +#define H2IW_RELAY_C 0x9100 /* state of RELAY pin signal */ +#define H2IR_RELAY_C 0x9180 /* state of RELAY pin signal */ #define H2I_RELAY_C_STATE 0x01 /* state of RELAY pin signal */ #define H2IW_DMA_PORT_EN 0x09104 /* dma port enable */ -#define H2IR_DMA_PORT_EN 0x09184 /* dma port enable */ +#define H2IR_DMA_PORT_EN 0x9184 /* dma port enable */ #define H2I_DMA_PORT_EN_SY_IN 0x01 /* synth_in dma port */ #define H2I_DMA_PORT_EN_AESRX 0x02 /* aes receiver dma port */ #define H2I_DMA_PORT_EN_AESTX 0x04 /* aes transmitter dma port */ @@ -120,8 +125,8 @@ struct hal2_vol_regs { #define H2I_DMA_PORT_EN_CODECR 0x10 /* codec receive dma port */ /* 0=disable 1=enable */ -#define H2IW_DMA_END 0x09108 /* global dma endian select */ -#define H2IR_DMA_END 0x09188 /* global dma endian select */ +#define H2IW_DMA_END 0x9108 /* global dma endian select */ +#define H2IR_DMA_END 0x9188 /* global dma endian select */ #define H2I_DMA_END_SY_IN 0x01 /* synth_in dma port */ #define H2I_DMA_END_AESRX 0x02 /* aes receiver dma port */ #define H2I_DMA_END_AESTX 0x04 /* aes transmitter dma port */ @@ -129,21 +134,21 @@ struct hal2_vol_regs { #define H2I_DMA_END_CODECR 0x10 /* codec receive dma port */ /* 0=big endian 1=little endian */ -#define H2IW_DMA_DRV 0x0910C /* global dma bus drive enable */ -#define H2IR_DMA_DRV 0x0918C /* global dma bus drive enable */ +#define H2IW_DMA_DRV 0x910C /* global dma bus drive enable */ +#define H2IR_DMA_DRV 0x918C /* global dma bus drive enable */ -#define H2IW_SYNTH_C 0x01104 /* synth dma control write */ -#define H2IR_SYNTH_C 0x01184 /* synth dma control read */ +#define H2IW_SYNTH_C 0x1104 /* synth dma control write */ +#define H2IR_SYNTH_C 0x1184 /* synth dma control read */ -#define H2IW_AESRX_C 0x01204 /* aes rx dma control write */ -#define H2IR_AESRX_C 0x01284 /* aes rx dma control read */ +#define H2IW_AESRX_C 0x1204 /* aes rx dma control write */ +#define H2IR_AESRX_C 0x1284 /* aes rx dma control read */ #define H2I_AESRX_C_TS_EN 0x20 /* timestamp enable 0=no 1=yes */ #define H2I_AESRX_C_TS_FMT 0x40 /* timestamp format */ #define H2I_AESRX_C_NAUDIO 0x80 /* pbus dma data format */ /* 0=sign_ext 1=pass_non_audio */ -#define H2IW_AESTX_C 0x01304 /* aes tx dma control write */ -#define H2IR_AESTX_C 0x01384 /* aes tx dma control read */ +#define H2IW_AESTX_C 0x1304 /* aes tx dma control write */ +#define H2IR_AESTX_C 0x1384 /* aes tx dma control read */ #define H2I_AESTX_C_CLKID_M 0x18 /* bits 4:3, clockid */ /* 1=Bresenham Clock Gen 1 */ /* 2=Bresenham Clock Gen 2 */ @@ -153,8 +158,8 @@ struct hal2_vol_regs { /* DAC */ -#define H2IW_DAC_C1 0x01404 /* dac tx dma control 1 write */ -#define H2IR_DAC_C1 0x01484 /* dac tx dma control 1 read */ +#define H2IW_DAC_C1 0x1404 /* dac tx dma control 1 write */ +#define H2IR_DAC_C1 0x1484 /* dac tx dma control 1 read */ #define H2I_DAC_C1_CLKID 0x18 /* bits 4:3, clockid */ /* 1=Bresenham Clock Gen 1 */ /* 2=Bresenham Clock Gen 2 */ @@ -162,16 +167,17 @@ struct hal2_vol_regs { #define H2I_DAC_C1_DTYPE 0x300 /* bits 9:8 datatype */ /* 1=mono 2=stereo 3=quad */ -#define H2IW_DAC_C2_0 0x01408 /* dac control 2 write word 0 */ -#define H2IR_DAC_C2_0 0x01488 /* dac control 2 read word 0 */ +#define H2IW_DAC_C2 0x1408 /* dac control 2 write word 0 */ + /* both words have to be written at */ + /* the same time, fill idr[0-1] */ +#define H2IR_DAC_C2_0 0x1488 /* dac control 2 read word 0 */ +#define H2IR_DAC_C2_1 0x1489 /* dac control 2 read word 1 */ + /* XXX: The spec says 0x1488 */ #define H2I_DAC_C2_0_R_GAIN 0x0f /* right a/d input gain bit 0-3 */ #define H2I_DAC_C2_0_L_GAIN 0xf0 /* left a/d input gain bit 0-3 */ #define H2I_DAC_C2_0_R_SEL 0x100 /* right a/d input select */ #define H2I_DAC_C2_0_L_SEL 0x200 /* left a/d input select */ #define H2I_DAC_C2_0_MUTE 0x400 /* 1=mute */ - -#define H2IW_DAC_C2_1 0x01409 /* dac control 2 write word 1 */ -#define H2IR_DAC_C2_1 0x01488 /* dac control 2 read word 1 */ #define H2I_DAC_C2_1_DO1 0x01 /* digital output port bit 1 */ #define H2I_DAC_C2_1_DO2 0x02 /* digital output port bit 0 */ #define H2I_DAC_C2_1_R_ATTEN 0x7c /* bits 6:2 right a/d output */ @@ -180,8 +186,8 @@ struct hal2_vol_regs { /* attenuation, bit 0-4 (4=msb) */ /* ADC */ -#define H2IW_ADC_C1 0x01504 /* adc tx dma control 1 write */ -#define H2IR_ADC_C1 0x01584 /* adc tx dma control 1 read */ +#define H2IW_ADC_C1 0x1504 /* adc tx dma control 1 write */ +#define H2IR_ADC_C1 0x1584 /* adc tx dma control 1 read */ #define H2I_ADC_C1_CLKID 0x18 /* bits 4:3, clockid */ /* 1=Bresenham Clock Gen 1 */ /* 2=Bresenham Clock Gen 2 */ @@ -189,16 +195,17 @@ struct hal2_vol_regs { #define H2I_ADC_C1_DTYPE 0x300 /* bits 9:8, datatype */ /* 1=mono 2=stereo 3=quad */ -#define H2IW_ADC_C2_0 0x01508 /* adc control 2 write word 0 */ -#define H2IR_ADC_C2_0 0x01588 /* adc control 2 read word 0 */ +#define H2IW_ADC_C2 0x1508 /* adc control 2 write word 0-1 */ + /* both words have to be written at */ + /* the same time, fill idr[0-1] */ +#define H2IR_ADC_C2_0 0x1588 /* adc control 2 read word 0 */ +#define H2IR_ADC_C2_1 0x1589 /* adc control 2 read word 1 */ + /* XXX: The spec says 0x1588 */ #define H2I_ADC_C2_0_R_GAIN 0x0f /* right a/d input gain bit 0-3 */ #define H2I_ADC_C2_0_L_GAIN 0xf0 /* left a/d input gain bit 0-3 */ #define H2I_ADC_C2_0_R_SEL 0x100 /* right a/d input select */ #define H2I_ADC_C2_0_L_SEL 0x200 /* left a/d input select */ #define H2I_ADC_C2_0_MUTE 0x400 /* 1=mute */ - -#define H2IW_ADC_C2_1 0x01509 /* adc control 2 write word 1 */ -#define H2IR_ADC_C2_1 0x01588 /* adc control 2 read word 1 */ #define H2I_ADC_C2_1_DO1 0x01 /* digital output port bit 1 */ #define H2I_ADC_C2_1_DO2 0x02 /* digital output port bit 0 */ #define H2I_ADC_C2_1_R_ATTEN 0x7c /* bits 6:2, right a/d output */ @@ -206,53 +213,48 @@ struct hal2_vol_regs { #define H2I_ADC_C2_1_L_ATTEN 0xf80 /* bits 11:7, left a/d output */ /* attenuation, bit 0-4 (4=msb) */ -#define H2IW_SYNTH_MAP_C 0x01104 /* synth dma handshake ctrl write */ -#define H2IR_SYNTH_MAP_C 0x01184 /* synth dma handshake ctrl read */ +#define H2IW_SYNTH_MAP_C 0x1104 /* synth dma handshake ctrl write */ +#define H2IR_SYNTH_MAP_C 0x1184 /* synth dma handshake ctrl read */ -#define H2IW_BRES1_C1 0x02104 /* clock gen 1 ctrl 1 write */ -#define H2IR_BRES1_C1 0x02184 /* clock gen 1 ctrl 1 read */ +#define H2IW_BRES1_C1 0x2104 /* clock gen 1 ctrl 1 write */ +#define H2IR_BRES1_C1 0x2184 /* clock gen 1 ctrl 1 read */ #define H2I_BRES1_C1_FSRSEL 0x03 /* master clock source */ /* 0=48.0 1=44.1 2=aes_rx */ -#define H2IW_BRES1_C2_0 0x02108 /* clock gen 1 ctrl 2 write word 0 */ -#define H2IR_BRES1_C2_0 0x02188 /* clock gen 1 ctrl 2 write word 0 */ +#define H2IW_BRES1_C2 0x2108 /* clock gen 1 ctrl 2 write word 0-1 */ +#define H2IR_BRES1_C2_0 0x2188 /* clock gen 1 ctrl 2 read word 0 */ +#define H2IR_BRES1_C2_1 0x2189 /* clock gen 1 ctrl 2 read word 1 */ + /* XXX: The spec says 0x2188 */ #define H2I_BRES1_C2_0_INC 0xffff /* increment value, inc <= mod */ - -#define H2IW_BRES1_C2_1 0x02108 /* clock gen 1 ctrl 2 write word 1 */ -#define H2IR_BRES1_C2_1 0x02188 /* clock gen 1 ctrl 2 write word 1 */ #define H2I_BRES1_C2_1_INC 0xffff /* modcontrol value, */ /* modctrl=0x00ffff & (modinc-1) */ -#define H2IW_BRES2_C1 0x02204 /* clock gen 2 ctrl 1 write */ -#define H2IR_BRES2_C1 0x02284 /* clock gen 2 ctrl 1 read */ +#define H2IW_BRES2_C1 0x2204 /* clock gen 2 ctrl 1 write */ +#define H2IR_BRES2_C1 0x2284 /* clock gen 2 ctrl 1 read */ #define H2I_BRES2_C1_FSRSEL 0x03 /* master clock source */ /* 0=48.0 1=44.1 2=aes_rx */ -#define H2IW_BRES2_C2_0 0x02208 /* clock gen 2 ctrl 2 write word 0 */ -#define H2IR_BRES2_C2_0 0x02288 /* clock gen 2 ctrl 2 write word 0 */ +#define H2IW_BRES2_C2 0x2208 /* clock gen 2 ctrl 2 write word 0-1 */ +#define H2IR_BRES2_C2_0 0x2288 /* clock gen 2 ctrl 2 read word 0 */ +#define H2IR_BRES2_C2_1 0x2289 /* clock gen 2 ctrl 2 read word 1 */ #define H2I_BRES2_C2_0_INC 0xffff /* increment value, inc <= mod */ - -#define H2IW_BRES2_C2_1 0x02208 /* clock gen 2 ctrl 2 write word 1 */ -#define H2IR_BRES2_C2_1 0x02289 /* clock gen 2 ctrl 2 write word 1 */ #define H2I_BRES2_C2_1_INC 0xffff /* modcontrol value, */ /* modctrl=0x00ffff & (modinc-1) */ -#define H2IW_BRES3_C1 0x02304 /* clock gen 3 ctrl 1 write */ -#define H2IR_BRES3_C1 0x02384 /* clock gen 3 ctrl 1 read */ +#define H2IW_BRES3_C1 0x2304 /* clock gen 3 ctrl 1 write */ +#define H2IR_BRES3_C1 0x2384 /* clock gen 3 ctrl 1 read */ #define H2I_BRES3_C1_FSRSEL 0x03 /* master clock source */ /* 0=48.0 1=44.1 2=aes_rx */ -#define H2IW_BRES3_C2_0 0x02308 /* clock gen 3 ctrl 2 write word 0 */ -#define H2IR_BRES3_C2_0 0x02388 /* clock gen 3 ctrl 2 write word 0 */ +#define H2IW_BRES3_C2 0x2308 /* clock gen 3 ctrl 2 write word 0-1 */ +#define H2IR_BRES3_C2_0 0x2388 /* clock gen 3 ctrl 2 read word 0 */ +#define H2IR_BRES3_C2_1 0x2389 /* clock gen 3 ctrl 2 read word 1 */ #define H2I_BRES3_C2_0_INC 0xffff /* increment value, inc <= mod */ - -#define H2IW_BRES3_C2_1 0x02308 /* clock gen 3 ctrl 2 write word 1 */ -#define H2IR_BRES3_C2_1 0x02389 /* clock gen 3 ctrl 2 write word 1 */ #define H2I_BRES3_C2_1_INC 0xffff /* modcontrol value, */ /* modctrl=0x00ffff & (modinc-1) */ -#define H2IW_UTIME 0x03104 /* unix timer write (preload time) */ -#define H2IR_UTIME 0x03184 /* unix timer read */ +#define H2IW_UTIME 0x3104 /* unix timer write (preload time) */ +#define H2IR_UTIME 0x3184 /* unix timer read */ #define H2I_UTIME_0_LD 0xffff /* microseconds, LSB's */ #define H2I_UTIME_1_LD0 0x0f /* microseconds, MSB's */ #define H2I_UTIME_1_LD1 0xf0 /* tenths of microseconds */ |