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
54  * snd_vx_outb - write a byte on the register
73  * vx_check_magic - check the magic word on xilinx
87 	dev_err(chip->card->dev, "cannot find xilinx magic word (%x)\n", c);  in vx_check_magic()
88 	return -EIO;  in vx_check_magic()
93  * vx_reset_dsp - reset the DSP
102 	/* set the reset dsp bit to 1 */  in vxp_reset_dsp()
103 	vx_outb(chip, CDSP, chip->regCDSP | VXP_CDSP_DSP_RESET_MASK);  in vxp_reset_dsp()
106 	/* reset the bit */  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()
114  * reset codec bit
120 	/* Set the reset CODEC bit to 1. */  in vxp_reset_codec()
121 	vx_outb(chip, CDSP, chip->regCDSP | VXP_CDSP_CODEC_RESET_MASK);  in vxp_reset_codec()
124 	/* Set the reset CODEC bit to 0. */  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()
152 	/* reset HF0 and HF1 */  in vxp_load_xilinx_binary()
161 	image = fw->data;  in vxp_load_xilinx_binary()
162 	for (i = 0; i < fw->size; i++, image++) {  in vxp_load_xilinx_binary()
172 			dev_err(_chip->card->dev,  in vxp_load_xilinx_binary()
177 	/* reset HF1 */  in vxp_load_xilinx_binary()
192 	dev_dbg(_chip->card->dev,  in vxp_load_xilinx_binary()
193 		"xilinx: dsp size received 0x%x, orig 0x%zx\n", c, fw->size);  in vxp_load_xilinx_binary()
208 	/* Reset the Xilinx's signal enabling IO access */  in vxp_load_xilinx_binary()
209 	chip->regDIALOG |= VXP_DLG_XILINX_REPROG_MASK;  in vxp_load_xilinx_binary()
210 	vx_outb(chip, DIALOG, chip->regDIALOG);  in vxp_load_xilinx_binary()
213 	chip->regDIALOG &= ~VXP_DLG_XILINX_REPROG_MASK;  in vxp_load_xilinx_binary()
214 	vx_outb(chip, DIALOG, chip->regDIALOG);  in vxp_load_xilinx_binary()
217 	/* Reset of the Codec */  in vxp_load_xilinx_binary()
226 	chip->regDIALOG &= ~VXP_DLG_XILINX_REPROG_MASK;  in vxp_load_xilinx_binary()
227 	vx_outb(chip, DIALOG, chip->regDIALOG);  in vxp_load_xilinx_binary()
228 	return -EIO;  in vxp_load_xilinx_binary()
233  * vxp_load_dsp - load_dsp callback
260 		return -EINVAL;  in vxp_load_dsp()
266  * vx_test_and_ack - test and acknowledge interrupt
277 	if (! (_chip->chip_status & VX_STAT_XILINX_LOADED))  in vxp_test_and_ack()
278 		return -ENXIO;  in vxp_test_and_ack()
281 		return -EIO;  in vxp_test_and_ack()
285 	vx_outb(chip, DIALOG, chip->regDIALOG | VXP_DLG_ACK_MEMIRQ_MASK);  in vxp_test_and_ack()
290 	vx_outb(chip, DIALOG, chip->regDIALOG & ~VXP_DLG_ACK_MEMIRQ_MASK);  in vxp_test_and_ack()
297  * vx_validate_irq - enable/disable IRQ
305 		chip->regCDSP |= VXP_CDSP_VALID_IRQ_MASK;  in vxp_validate_irq()
307 		chip->regCDSP &= ~VXP_CDSP_VALID_IRQ_MASK;  in vxp_validate_irq()
308 	vx_outb(chip, CDSP, chip->regCDSP);  in vxp_validate_irq()
312  * vx_setup_pseudo_dma - set up the pseudo dma read/write mode.
321 	/* Reset the pseudo-dma register */  in vx_setup_pseudo_dma()
325 	/* Select DMA in read/write transfer mode and in 16-bit accesses */  in vx_setup_pseudo_dma()
326 	chip->regDIALOG |= VXP_DLG_DMA16_SEL_MASK;  in vx_setup_pseudo_dma()
327 	chip->regDIALOG |= do_write ? VXP_DLG_DMAWRITE_SEL_MASK : VXP_DLG_DMAREAD_SEL_MASK;  in vx_setup_pseudo_dma()
328 	vx_outb(chip, DIALOG, chip->regDIALOG);  in vx_setup_pseudo_dma()
333  * vx_release_pseudo_dma - disable the pseudo-DMA mode
339 	/* Disable DMA and 16-bit accesses */  in vx_release_pseudo_dma()
340 	chip->regDIALOG &= ~(VXP_DLG_DMAWRITE_SEL_MASK|  in vx_release_pseudo_dma()
343 	vx_outb(chip, DIALOG, chip->regDIALOG);  in vx_release_pseudo_dma()
349  * vx_pseudo_dma_write - write bulk data on pseudo-DMA mode
359 	int offset = pipe->hw_ptr;  in vxp_dma_write()
360 	unsigned short *addr = (unsigned short *)(runtime->dma_area + offset);  in vxp_dma_write()
363 	if (offset + count >= pipe->buffer_bytes) {  in vxp_dma_write()
364 		int length = pipe->buffer_bytes - offset;  in vxp_dma_write()
365 		count -= length;  in vxp_dma_write()
367 		/* Transfer using pseudo-dma. */  in vxp_dma_write()
368 		for (; length > 0; length--) {  in vxp_dma_write()
372 		addr = (unsigned short *)runtime->dma_area;  in vxp_dma_write()
373 		pipe->hw_ptr = 0;  in vxp_dma_write()
375 	pipe->hw_ptr += count;  in vxp_dma_write()
377 	/* Transfer using pseudo-dma. */  in vxp_dma_write()
378 	for (; count > 0; count--) {  in vxp_dma_write()
387  * vx_pseudo_dma_read - read bulk data on pseudo DMA mode
399 	int offset = pipe->hw_ptr;  in vxp_dma_read()
400 	unsigned short *addr = (unsigned short *)(runtime->dma_area + offset);  in vxp_dma_read()
405 	if (offset + count >= pipe->buffer_bytes) {  in vxp_dma_read()
406 		int length = pipe->buffer_bytes - offset;  in vxp_dma_read()
407 		count -= length;  in vxp_dma_read()
409 		/* Transfer using pseudo-dma. */  in vxp_dma_read()
410 		for (; length > 0; length--)  in vxp_dma_read()
412 		addr = (unsigned short *)runtime->dma_area;  in vxp_dma_read()
413 		pipe->hw_ptr = 0;  in vxp_dma_read()
415 	pipe->hw_ptr += count;  in vxp_dma_read()
417 	/* Transfer using pseudo-dma. */  in vxp_dma_read()
418 	for (; count > 1; count--)  in vxp_dma_read()
421 	pchip->regDIALOG &= ~VXP_DLG_DMAREAD_SEL_MASK;  in vxp_dma_read()
422 	vx_outb(chip, DIALOG, pchip->regDIALOG);  in vxp_dma_read()
425 	/* Disable 16-bit accesses */  in vxp_dma_read()
426 	pchip->regDIALOG &= ~VXP_DLG_DMA16_SEL_MASK;  in vxp_dma_read()
427 	vx_outb(chip, DIALOG, pchip->regDIALOG);  in vxp_dma_read()
434  * write a codec data (24bit)
436 static void vxp_write_codec_reg(struct vx_core *chip, int codec, unsigned int data)  in vxp_write_codec_reg()  argument
440 	/* Activate access to the corresponding codec register */  in vxp_write_codec_reg()
441 	if (! codec)  in vxp_write_codec_reg()
450 	/* Terminate access to codec registers */  in vxp_write_codec_reg()
456  * vx_set_mic_boost - set mic boost level (on vxp440 only)
463 	if (chip->chip_status & VX_STAT_IS_STALE)  in vx_set_mic_boost()
466 	mutex_lock(&chip->lock);  in vx_set_mic_boost()
467 	if (pchip->regCDSP & P24_CDSP_MICS_SEL_MASK) {  in vx_set_mic_boost()
470 			pchip->regCDSP &= ~P24_CDSP_MIC20_SEL_MASK;  in vx_set_mic_boost()
471 			pchip->regCDSP |=  P24_CDSP_MIC38_SEL_MASK;  in vx_set_mic_boost()
474 			pchip->regCDSP |=  P24_CDSP_MIC20_SEL_MASK;  in vx_set_mic_boost()
475 			pchip->regCDSP &= ~P24_CDSP_MIC38_SEL_MASK;  in vx_set_mic_boost()
477 		vx_outb(chip, CDSP, pchip->regCDSP);  in vx_set_mic_boost()
479 	mutex_unlock(&chip->lock);  in vx_set_mic_boost()
483  * remap the linear value (0-8) to the actual value (0-15)
498  * vx_set_mic_level - set mic level (on vxpocket only)
499  * @level: the mic level = 0 - 8 (max)
505 	if (chip->chip_status & VX_STAT_IS_STALE)  in vx_set_mic_level()
508 	mutex_lock(&chip->lock);  in vx_set_mic_level()
509 	if (pchip->regCDSP & VXP_CDSP_MIC_SEL_MASK) {  in vx_set_mic_level()
513 	mutex_unlock(&chip->lock);  in vx_set_mic_level()
526 		chip->regCDSP |= VXP_CDSP_DATAIN_SEL_MASK;  in vxp_change_audio_source()
527 		vx_outb(chip, CDSP, chip->regCDSP);  in vxp_change_audio_source()
530 		chip->regCDSP &= ~VXP_CDSP_DATAIN_SEL_MASK;  in vxp_change_audio_source()
531 		if (_chip->type == VX_TYPE_VXP440)  in vxp_change_audio_source()
532 			chip->regCDSP &= ~P24_CDSP_MICS_SEL_MASK;  in vxp_change_audio_source()
534 			chip->regCDSP &= ~VXP_CDSP_MIC_SEL_MASK;  in vxp_change_audio_source()
535 		vx_outb(chip, CDSP, chip->regCDSP);  in vxp_change_audio_source()
538 		chip->regCDSP &= ~VXP_CDSP_DATAIN_SEL_MASK;  in vxp_change_audio_source()
539 		/* reset mic levels */  in vxp_change_audio_source()
540 		if (_chip->type == VX_TYPE_VXP440) {  in vxp_change_audio_source()
541 			chip->regCDSP &= ~P24_CDSP_MICS_SEL_MASK;  in vxp_change_audio_source()
542 			if (chip->mic_level)  in vxp_change_audio_source()
543 				chip->regCDSP |=  P24_CDSP_MIC38_SEL_MASK;  in vxp_change_audio_source()
545 				chip->regCDSP |= P24_CDSP_MIC20_SEL_MASK;  in vxp_change_audio_source()
546 			vx_outb(chip, CDSP, chip->regCDSP);  in vxp_change_audio_source()
548 			chip->regCDSP |= VXP_CDSP_MIC_SEL_MASK;  in vxp_change_audio_source()
549 			vx_outb(chip, CDSP, chip->regCDSP);  in vxp_change_audio_source()
550 			vx_outb(chip, MICRO, vx_compute_mic_level(chip->mic_level));  in vxp_change_audio_source()
565 		chip->regCDSP &= ~VXP_CDSP_CLOCKIN_SEL_MASK;  in vxp_set_clock_source()
567 		chip->regCDSP |= VXP_CDSP_CLOCKIN_SEL_MASK;  in vxp_set_clock_source()
568 	vx_outb(chip, CDSP, chip->regCDSP);  in vxp_set_clock_source()
573  * reset the board
579 	chip->regCDSP = 0;  in vxp_reset_board()
580 	chip->regDIALOG = 0;  in vxp_reset_board()