1 // SPDX-License-Identifier: GPL-2.0-or-later
41 	return chip->port + vxp_reg_offset[reg];  in vxp_reg_addr()
45  * snd_vx_inb - read a byte from the register
46  * @offset: register offset
48 static unsigned char vxp_inb(struct vx_core *chip, int offset)  in vxp_inb()  argument
50 	return inb(vxp_reg_addr(chip, offset));  in vxp_inb()
54  * snd_vx_outb - write a byte on the register
55  * @offset: the register offset
58 static void vxp_outb(struct vx_core *chip, int offset, unsigned char val)  in vxp_outb()  argument
60 	outb(val, vxp_reg_addr(chip, offset));  in vxp_outb()
73  * vx_check_magic - check the magic word on xilinx
88 	return -EIO;  in vx_check_magic()
93  * vx_reset_dsp - reset the DSP
103 	vx_outb(chip, CDSP, chip->regCDSP | VXP_CDSP_DSP_RESET_MASK);  in vxp_reset_dsp()
107 	chip->regCDSP &= ~VXP_CDSP_DSP_RESET_MASK;  in vxp_reset_dsp()
108 	vx_outb(chip, CDSP, chip->regCDSP);  in vxp_reset_dsp()
121 	vx_outb(chip, CDSP, chip->regCDSP | VXP_CDSP_CODEC_RESET_MASK);  in vxp_reset_codec()
125 	chip->regCDSP &= ~VXP_CDSP_CODEC_RESET_MASK;  in vxp_reset_codec()
126 	vx_outb(chip, CDSP, chip->regCDSP);  in vxp_reset_codec()
132  * vx_load_xilinx_binary - load the xilinx binary image
145 	chip->regDIALOG |= VXP_DLG_XILINX_REPROG_MASK;  in vxp_load_xilinx_binary()
146 	vx_outb(chip, DIALOG, chip->regDIALOG);  in vxp_load_xilinx_binary()
162 	image = fw->data;  in vxp_load_xilinx_binary()
163 	for (i = 0; i < fw->size; i++, image++) {  in vxp_load_xilinx_binary()
191 	snd_printdd(KERN_DEBUG "xilinx: dsp size received 0x%x, orig 0x%zx\n", c, fw->size);  in vxp_load_xilinx_binary()
207 	chip->regDIALOG |= VXP_DLG_XILINX_REPROG_MASK;  in vxp_load_xilinx_binary()
208 	vx_outb(chip, DIALOG, chip->regDIALOG);  in vxp_load_xilinx_binary()
211 	chip->regDIALOG &= ~VXP_DLG_XILINX_REPROG_MASK;  in vxp_load_xilinx_binary()
212 	vx_outb(chip, DIALOG, chip->regDIALOG);  in vxp_load_xilinx_binary()
224 	chip->regDIALOG &= ~VXP_DLG_XILINX_REPROG_MASK;  in vxp_load_xilinx_binary()
225 	vx_outb(chip, DIALOG, chip->regDIALOG);  in vxp_load_xilinx_binary()
226 	return -EIO;  in vxp_load_xilinx_binary()
231  * vxp_load_dsp - load_dsp callback
258 		return -EINVAL;  in vxp_load_dsp()
264  * vx_test_and_ack - test and acknowledge interrupt
275 	if (! (_chip->chip_status & VX_STAT_XILINX_LOADED))  in vxp_test_and_ack()
276 		return -ENXIO;  in vxp_test_and_ack()
279 		return -EIO;  in vxp_test_and_ack()
283 	vx_outb(chip, DIALOG, chip->regDIALOG | VXP_DLG_ACK_MEMIRQ_MASK);  in vxp_test_and_ack()
288 	vx_outb(chip, DIALOG, chip->regDIALOG & ~VXP_DLG_ACK_MEMIRQ_MASK);  in vxp_test_and_ack()
295  * vx_validate_irq - enable/disable IRQ
303 		chip->regCDSP |= VXP_CDSP_VALID_IRQ_MASK;  in vxp_validate_irq()
305 		chip->regCDSP &= ~VXP_CDSP_VALID_IRQ_MASK;  in vxp_validate_irq()
306 	vx_outb(chip, CDSP, chip->regCDSP);  in vxp_validate_irq()
310  * vx_setup_pseudo_dma - set up the pseudo dma read/write mode.
319 	/* Reset the pseudo-dma register */  in vx_setup_pseudo_dma()
323 	/* Select DMA in read/write transfer mode and in 16-bit accesses */  in vx_setup_pseudo_dma()
324 	chip->regDIALOG |= VXP_DLG_DMA16_SEL_MASK;  in vx_setup_pseudo_dma()
325 	chip->regDIALOG |= do_write ? VXP_DLG_DMAWRITE_SEL_MASK : VXP_DLG_DMAREAD_SEL_MASK;  in vx_setup_pseudo_dma()
326 	vx_outb(chip, DIALOG, chip->regDIALOG);  in vx_setup_pseudo_dma()
331  * vx_release_pseudo_dma - disable the pseudo-DMA mode
337 	/* Disable DMA and 16-bit accesses */  in vx_release_pseudo_dma()
338 	chip->regDIALOG &= ~(VXP_DLG_DMAWRITE_SEL_MASK|  in vx_release_pseudo_dma()
341 	vx_outb(chip, DIALOG, chip->regDIALOG);  in vx_release_pseudo_dma()
347  * vx_pseudo_dma_write - write bulk data on pseudo-DMA mode
357 	int offset = pipe->hw_ptr;  in vxp_dma_write()  local
358 	unsigned short *addr = (unsigned short *)(runtime->dma_area + offset);  in vxp_dma_write()
361 	if (offset + count >= pipe->buffer_bytes) {  in vxp_dma_write()
362 		int length = pipe->buffer_bytes - offset;  in vxp_dma_write()
363 		count -= length;  in vxp_dma_write()
365 		/* Transfer using pseudo-dma. */  in vxp_dma_write()
366 		for (; length > 0; length--) {  in vxp_dma_write()
370 		addr = (unsigned short *)runtime->dma_area;  in vxp_dma_write()
371 		pipe->hw_ptr = 0;  in vxp_dma_write()
373 	pipe->hw_ptr += count;  in vxp_dma_write()
375 	/* Transfer using pseudo-dma. */  in vxp_dma_write()
376 	for (; count > 0; count--) {  in vxp_dma_write()
385  * vx_pseudo_dma_read - read bulk data on pseudo DMA mode
386  * @offset: buffer offset in bytes
397 	int offset = pipe->hw_ptr;  in vxp_dma_read()  local
398 	unsigned short *addr = (unsigned short *)(runtime->dma_area + offset);  in vxp_dma_read()
403 	if (offset + count >= pipe->buffer_bytes) {  in vxp_dma_read()
404 		int length = pipe->buffer_bytes - offset;  in vxp_dma_read()
405 		count -= length;  in vxp_dma_read()
407 		/* Transfer using pseudo-dma. */  in vxp_dma_read()
408 		for (; length > 0; length--)  in vxp_dma_read()
410 		addr = (unsigned short *)runtime->dma_area;  in vxp_dma_read()
411 		pipe->hw_ptr = 0;  in vxp_dma_read()
413 	pipe->hw_ptr += count;  in vxp_dma_read()
415 	/* Transfer using pseudo-dma. */  in vxp_dma_read()
416 	for (; count > 1; count--)  in vxp_dma_read()
419 	pchip->regDIALOG &= ~VXP_DLG_DMAREAD_SEL_MASK;  in vxp_dma_read()
420 	vx_outb(chip, DIALOG, pchip->regDIALOG);  in vxp_dma_read()
423 	/* Disable 16-bit accesses */  in vxp_dma_read()
424 	pchip->regDIALOG &= ~VXP_DLG_DMA16_SEL_MASK;  in vxp_dma_read()
425 	vx_outb(chip, DIALOG, pchip->regDIALOG);  in vxp_dma_read()
454  * vx_set_mic_boost - set mic boost level (on vxp440 only)
461 	if (chip->chip_status & VX_STAT_IS_STALE)  in vx_set_mic_boost()
464 	mutex_lock(&chip->lock);  in vx_set_mic_boost()
465 	if (pchip->regCDSP & P24_CDSP_MICS_SEL_MASK) {  in vx_set_mic_boost()
468 			pchip->regCDSP &= ~P24_CDSP_MIC20_SEL_MASK;  in vx_set_mic_boost()
469 			pchip->regCDSP |=  P24_CDSP_MIC38_SEL_MASK;  in vx_set_mic_boost()
472 			pchip->regCDSP |=  P24_CDSP_MIC20_SEL_MASK;  in vx_set_mic_boost()
473 			pchip->regCDSP &= ~P24_CDSP_MIC38_SEL_MASK;  in vx_set_mic_boost()
475 		vx_outb(chip, CDSP, pchip->regCDSP);  in vx_set_mic_boost()
477 	mutex_unlock(&chip->lock);  in vx_set_mic_boost()
481  * remap the linear value (0-8) to the actual value (0-15)
496  * vx_set_mic_level - set mic level (on vxpocket only)
497  * @level: the mic level = 0 - 8 (max)
503 	if (chip->chip_status & VX_STAT_IS_STALE)  in vx_set_mic_level()
506 	mutex_lock(&chip->lock);  in vx_set_mic_level()
507 	if (pchip->regCDSP & VXP_CDSP_MIC_SEL_MASK) {  in vx_set_mic_level()
511 	mutex_unlock(&chip->lock);  in vx_set_mic_level()
524 		chip->regCDSP |= VXP_CDSP_DATAIN_SEL_MASK;  in vxp_change_audio_source()
525 		vx_outb(chip, CDSP, chip->regCDSP);  in vxp_change_audio_source()
528 		chip->regCDSP &= ~VXP_CDSP_DATAIN_SEL_MASK;  in vxp_change_audio_source()
529 		if (_chip->type == VX_TYPE_VXP440)  in vxp_change_audio_source()
530 			chip->regCDSP &= ~P24_CDSP_MICS_SEL_MASK;  in vxp_change_audio_source()
532 			chip->regCDSP &= ~VXP_CDSP_MIC_SEL_MASK;  in vxp_change_audio_source()
533 		vx_outb(chip, CDSP, chip->regCDSP);  in vxp_change_audio_source()
536 		chip->regCDSP &= ~VXP_CDSP_DATAIN_SEL_MASK;  in vxp_change_audio_source()
537 		/* reset mic levels */  in vxp_change_audio_source()
538 		if (_chip->type == VX_TYPE_VXP440) {  in vxp_change_audio_source()
539 			chip->regCDSP &= ~P24_CDSP_MICS_SEL_MASK;  in vxp_change_audio_source()
540 			if (chip->mic_level)  in vxp_change_audio_source()
541 				chip->regCDSP |=  P24_CDSP_MIC38_SEL_MASK;  in vxp_change_audio_source()
543 				chip->regCDSP |= P24_CDSP_MIC20_SEL_MASK;  in vxp_change_audio_source()
544 			vx_outb(chip, CDSP, chip->regCDSP);  in vxp_change_audio_source()
546 			chip->regCDSP |= VXP_CDSP_MIC_SEL_MASK;  in vxp_change_audio_source()
547 			vx_outb(chip, CDSP, chip->regCDSP);  in vxp_change_audio_source()
548 			vx_outb(chip, MICRO, vx_compute_mic_level(chip->mic_level));  in vxp_change_audio_source()
563 		chip->regCDSP &= ~VXP_CDSP_CLOCKIN_SEL_MASK;  in vxp_set_clock_source()
565 		chip->regCDSP |= VXP_CDSP_CLOCKIN_SEL_MASK;  in vxp_set_clock_source()
566 	vx_outb(chip, CDSP, chip->regCDSP);  in vxp_set_clock_source()
577 	chip->regCDSP = 0;  in vxp_reset_board()
578 	chip->regDIALOG = 0;  in vxp_reset_board()