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vx222_ops.c

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linux-6.19.14/sound/pci/vx222/vx222_ops.c C
   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * Driver for Digigram VX222 V2/Mic soundcards
   4 *
   5 * VX222-specific low-level routines
   6 *
   7 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
   8 */
   9
  10#include <linux/delay.h>
  11#include <linux/device.h>
  12#include <linux/firmware.h>
  13#include <linux/mutex.h>
  14#include <linux/io.h>
  15
  16#include <sound/core.h>
  17#include <sound/control.h>
  18#include <sound/tlv.h>
  19#include "vx222.h"
  20
  21
  22static const int vx2_reg_offset[VX_REG_MAX] = {
  23	[VX_ICR]    = 0x00,
  24	[VX_CVR]    = 0x04,
  25	[VX_ISR]    = 0x08,
  26	[VX_IVR]    = 0x0c,
  27	[VX_RXH]    = 0x14,
  28	[VX_RXM]    = 0x18,
  29	[VX_RXL]    = 0x1c,
  30	[VX_DMA]    = 0x10,
  31	[VX_CDSP]   = 0x20,
  32	[VX_CFG]    = 0x24,
  33	[VX_RUER]   = 0x28,
  34	[VX_DATA]   = 0x2c,
  35	[VX_STATUS] = 0x30,
  36	[VX_LOFREQ] = 0x34,
  37	[VX_HIFREQ] = 0x38,
  38	[VX_CSUER]  = 0x3c,
  39	[VX_SELMIC] = 0x40,
  40	[VX_COMPOT] = 0x44, // Write: POTENTIOMETER ; Read: COMPRESSION LEVEL activate
  41	[VX_SCOMPR] = 0x48, // Read: COMPRESSION THRESHOLD activate
  42	[VX_GLIMIT] = 0x4c, // Read: LEVEL LIMITATION activate
  43	[VX_INTCSR] = 0x4c, // VX_INTCSR_REGISTER_OFFSET
  44	[VX_CNTRL]  = 0x50,		// VX_CNTRL_REGISTER_OFFSET
  45	[VX_GPIOC]  = 0x54,		// VX_GPIOC (new with PLX9030)
  46};
  47
  48static const int vx2_reg_index[VX_REG_MAX] = {
  49	[VX_ICR]	= 1,
  50	[VX_CVR]	= 1,
  51	[VX_ISR]	= 1,
  52	[VX_IVR]	= 1,
  53	[VX_RXH]	= 1,
  54	[VX_RXM]	= 1,
  55	[VX_RXL]	= 1,
  56	[VX_DMA]	= 1,
  57	[VX_CDSP]	= 1,
  58	[VX_CFG]	= 1,
  59	[VX_RUER]	= 1,
  60	[VX_DATA]	= 1,
  61	[VX_STATUS]	= 1,
  62	[VX_LOFREQ]	= 1,
  63	[VX_HIFREQ]	= 1,
  64	[VX_CSUER]	= 1,
  65	[VX_SELMIC]	= 1,
  66	[VX_COMPOT]	= 1,
  67	[VX_SCOMPR]	= 1,
  68	[VX_GLIMIT]	= 1,
  69	[VX_INTCSR]	= 0,	/* on the PLX */
  70	[VX_CNTRL]	= 0,	/* on the PLX */
  71	[VX_GPIOC]	= 0,	/* on the PLX */
  72};
  73
  74static inline unsigned long vx2_reg_addr(struct vx_core *_chip, int reg)
  75{
  76	struct snd_vx222 *chip = to_vx222(_chip);
  77	return chip->port[vx2_reg_index[reg]] + vx2_reg_offset[reg];
  78}
  79
  80/**
  81 * vx2_inb - read a byte from the register
  82 * @chip: VX core instance
  83 * @offset: register enum
  84 */
  85static unsigned char vx2_inb(struct vx_core *chip, int offset)
  86{
  87	return inb(vx2_reg_addr(chip, offset));
  88}
  89
  90/**
  91 * vx2_outb - write a byte on the register
  92 * @chip: VX core instance
  93 * @offset: the register offset
  94 * @val: the value to write
  95 */
  96static void vx2_outb(struct vx_core *chip, int offset, unsigned char val)
  97{
  98	outb(val, vx2_reg_addr(chip, offset));
  99	/*
 100	dev_dbg(chip->card->dev, "outb: %x -> %x\n", val, vx2_reg_addr(chip, offset));
 101	*/
 102}
 103
 104/**
 105 * vx2_inl - read a 32bit word from the register
 106 * @chip: VX core instance
 107 * @offset: register enum
 108 */
 109static unsigned int vx2_inl(struct vx_core *chip, int offset)
 110{
 111	return inl(vx2_reg_addr(chip, offset));
 112}
 113
 114/**
 115 * vx2_outl - write a 32bit word on the register
 116 * @chip: VX core instance
 117 * @offset: the register enum
 118 * @val: the value to write
 119 */
 120static void vx2_outl(struct vx_core *chip, int offset, unsigned int val)
 121{
 122	/*
 123	dev_dbg(chip->card->dev, "outl: %x -> %x\n", val, vx2_reg_addr(chip, offset));
 124	*/
 125	outl(val, vx2_reg_addr(chip, offset));
 126}
 127
 128/*
 129 * redefine macros to call directly
 130 */
 131#undef vx_inb
 132#define vx_inb(chip,reg)	vx2_inb((struct vx_core*)(chip), VX_##reg)
 133#undef vx_outb
 134#define vx_outb(chip,reg,val)	vx2_outb((struct vx_core*)(chip), VX_##reg, val)
 135#undef vx_inl
 136#define vx_inl(chip,reg)	vx2_inl((struct vx_core*)(chip), VX_##reg)
 137#undef vx_outl
 138#define vx_outl(chip,reg,val)	vx2_outl((struct vx_core*)(chip), VX_##reg, val)
 139
 140
 141/*
 142 * vx_reset_dsp - reset the DSP
 143 */
 144
 145#define XX_DSP_RESET_WAIT_TIME		2	/* ms */
 146
 147static void vx2_reset_dsp(struct vx_core *_chip)
 148{
 149	struct snd_vx222 *chip = to_vx222(_chip);
 150
 151	/* set the reset dsp bit to 0 */
 152	vx_outl(chip, CDSP, chip->regCDSP & ~VX_CDSP_DSP_RESET_MASK);
 153
 154	mdelay(XX_DSP_RESET_WAIT_TIME);
 155
 156	chip->regCDSP |= VX_CDSP_DSP_RESET_MASK;
 157	/* set the reset dsp bit to 1 */
 158	vx_outl(chip, CDSP, chip->regCDSP);
 159}
 160
 161
 162static int vx2_test_xilinx(struct vx_core *_chip)
 163{
 164	struct snd_vx222 *chip = to_vx222(_chip);
 165	unsigned int data;
 166
 167	dev_dbg(_chip->card->dev, "testing xilinx...\n");
 168	/* This test uses several write/read sequences on TEST0 and TEST1 bits
 169	 * to figure out whever or not the xilinx was correctly loaded
 170	 */
 171
 172	/* We write 1 on CDSP.TEST0. We should get 0 on STATUS.TEST0. */
 173	vx_outl(chip, CDSP, chip->regCDSP | VX_CDSP_TEST0_MASK);
 174	vx_inl(chip, ISR);
 175	data = vx_inl(chip, STATUS);
 176	if ((data & VX_STATUS_VAL_TEST0_MASK) == VX_STATUS_VAL_TEST0_MASK) {
 177		dev_dbg(_chip->card->dev, "bad!\n");
 178		return -ENODEV;
 179	}
 180
 181	/* We write 0 on CDSP.TEST0. We should get 1 on STATUS.TEST0. */
 182	vx_outl(chip, CDSP, chip->regCDSP & ~VX_CDSP_TEST0_MASK);
 183	vx_inl(chip, ISR);
 184	data = vx_inl(chip, STATUS);
 185	if (! (data & VX_STATUS_VAL_TEST0_MASK)) {
 186		dev_dbg(_chip->card->dev, "bad! #2\n");
 187		return -ENODEV;
 188	}
 189
 190	if (_chip->type == VX_TYPE_BOARD) {
 191		/* not implemented on VX_2_BOARDS */
 192		/* We write 1 on CDSP.TEST1. We should get 0 on STATUS.TEST1. */
 193		vx_outl(chip, CDSP, chip->regCDSP | VX_CDSP_TEST1_MASK);
 194		vx_inl(chip, ISR);
 195		data = vx_inl(chip, STATUS);
 196		if ((data & VX_STATUS_VAL_TEST1_MASK) == VX_STATUS_VAL_TEST1_MASK) {
 197			dev_dbg(_chip->card->dev, "bad! #3\n");
 198			return -ENODEV;
 199		}
 200
 201		/* We write 0 on CDSP.TEST1. We should get 1 on STATUS.TEST1. */
 202		vx_outl(chip, CDSP, chip->regCDSP & ~VX_CDSP_TEST1_MASK);
 203		vx_inl(chip, ISR);
 204		data = vx_inl(chip, STATUS);
 205		if (! (data & VX_STATUS_VAL_TEST1_MASK)) {
 206			dev_dbg(_chip->card->dev, "bad! #4\n");
 207			return -ENODEV;
 208		}
 209	}
 210	dev_dbg(_chip->card->dev, "ok, xilinx fine.\n");
 211	return 0;
 212}
 213
 214
 215/**
 216 * vx2_setup_pseudo_dma - set up the pseudo dma read/write mode.
 217 * @chip: VX core instance
 218 * @do_write: 0 = read, 1 = set up for DMA write
 219 */
 220static void vx2_setup_pseudo_dma(struct vx_core *chip, int do_write)
 221{
 222	/* Interrupt mode and HREQ pin enabled for host transmit data transfers
 223	 * (in case of the use of the pseudo-dma facility).
 224	 */
 225	vx_outl(chip, ICR, do_write ? ICR_TREQ : ICR_RREQ);
 226
 227	/* Reset the pseudo-dma register (in case of the use of the
 228	 * pseudo-dma facility).
 229	 */
 230	vx_outl(chip, RESET_DMA, 0);
 231}
 232
 233/*
 234 * vx_release_pseudo_dma - disable the pseudo-DMA mode
 235 */
 236static inline void vx2_release_pseudo_dma(struct vx_core *chip)
 237{
 238	/* HREQ pin disabled. */
 239	vx_outl(chip, ICR, 0);
 240}
 241
 242
 243
 244/* pseudo-dma write */
 245static void vx2_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime,
 246			  struct vx_pipe *pipe, int count)
 247{
 248	unsigned long port = vx2_reg_addr(chip, VX_DMA);
 249	int offset = pipe->hw_ptr;
 250	u32 *addr = (u32 *)(runtime->dma_area + offset);
 251
 252	if (snd_BUG_ON(count % 4))
 253		return;
 254
 255	vx2_setup_pseudo_dma(chip, 1);
 256
 257	/* Transfer using pseudo-dma.
 258	 */
 259	if (offset + count >= pipe->buffer_bytes) {
 260		int length = pipe->buffer_bytes - offset;
 261		count -= length;
 262		length >>= 2; /* in 32bit words */
 263		/* Transfer using pseudo-dma. */
 264		for (; length > 0; length--) {
 265			outl(*addr, port);
 266			addr++;
 267		}
 268		addr = (u32 *)runtime->dma_area;
 269		pipe->hw_ptr = 0;
 270	}
 271	pipe->hw_ptr += count;
 272	count >>= 2; /* in 32bit words */
 273	/* Transfer using pseudo-dma. */
 274	for (; count > 0; count--) {
 275		outl(*addr, port);
 276		addr++;
 277	}
 278
 279	vx2_release_pseudo_dma(chip);
 280}
 281
 282
 283/* pseudo dma read */
 284static void vx2_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime,
 285			 struct vx_pipe *pipe, int count)
 286{
 287	int offset = pipe->hw_ptr;
 288	u32 *addr = (u32 *)(runtime->dma_area + offset);
 289	unsigned long port = vx2_reg_addr(chip, VX_DMA);
 290
 291	if (snd_BUG_ON(count % 4))
 292		return;
 293
 294	vx2_setup_pseudo_dma(chip, 0);
 295	/* Transfer using pseudo-dma.
 296	 */
 297	if (offset + count >= pipe->buffer_bytes) {
 298		int length = pipe->buffer_bytes - offset;
 299		count -= length;
 300		length >>= 2; /* in 32bit words */
 301		/* Transfer using pseudo-dma. */
 302		for (; length > 0; length--)
 303			*addr++ = inl(port);
 304		addr = (u32 *)runtime->dma_area;
 305		pipe->hw_ptr = 0;
 306	}
 307	pipe->hw_ptr += count;
 308	count >>= 2; /* in 32bit words */
 309	/* Transfer using pseudo-dma. */
 310	for (; count > 0; count--)
 311		*addr++ = inl(port);
 312
 313	vx2_release_pseudo_dma(chip);
 314}
 315
 316#define VX_XILINX_RESET_MASK        0x40000000
 317#define VX_USERBIT0_MASK            0x00000004
 318#define VX_USERBIT1_MASK            0x00000020
 319#define VX_CNTRL_REGISTER_VALUE     0x00172012
 320
 321/*
 322 * transfer counts bits to PLX
 323 */
 324static int put_xilinx_data(struct vx_core *chip, unsigned int port, unsigned int counts, unsigned char data)
 325{
 326	unsigned int i;
 327
 328	for (i = 0; i < counts; i++) {
 329		unsigned int val;
 330
 331		/* set the clock bit to 0. */
 332		val = VX_CNTRL_REGISTER_VALUE & ~VX_USERBIT0_MASK;
 333		vx2_outl(chip, port, val);
 334		vx2_inl(chip, port);
 335		udelay(1);
 336
 337		if (data & (1 << i))
 338			val |= VX_USERBIT1_MASK;
 339		else
 340			val &= ~VX_USERBIT1_MASK;
 341		vx2_outl(chip, port, val);
 342		vx2_inl(chip, port);
 343
 344		/* set the clock bit to 1. */
 345		val |= VX_USERBIT0_MASK;
 346		vx2_outl(chip, port, val);
 347		vx2_inl(chip, port);
 348		udelay(1);
 349	}
 350	return 0;
 351}
 352
 353/*
 354 * load the xilinx image
 355 */
 356static int vx2_load_xilinx_binary(struct vx_core *chip, const struct firmware *xilinx)
 357{
 358	unsigned int i;
 359	unsigned int port;
 360	const unsigned char *image;
 361
 362	/* XILINX reset (wait at least 1 millisecond between reset on and off). */
 363	vx_outl(chip, CNTRL, VX_CNTRL_REGISTER_VALUE | VX_XILINX_RESET_MASK);
 364	vx_inl(chip, CNTRL);
 365	msleep(10);
 366	vx_outl(chip, CNTRL, VX_CNTRL_REGISTER_VALUE);
 367	vx_inl(chip, CNTRL);
 368	msleep(10);
 369
 370	if (chip->type == VX_TYPE_BOARD)
 371		port = VX_CNTRL;
 372	else
 373		port = VX_GPIOC; /* VX222 V2 and VX222_MIC_BOARD with new PLX9030 use this register */
 374
 375	image = xilinx->data;
 376	for (i = 0; i < xilinx->size; i++, image++) {
 377		if (put_xilinx_data(chip, port, 8, *image) < 0)
 378			return -EINVAL;
 379		/* don't take too much time in this loop... */
 380		cond_resched();
 381	}
 382	put_xilinx_data(chip, port, 4, 0xff); /* end signature */
 383
 384	msleep(200);
 385
 386	/* test after loading (is buggy with VX222) */
 387	if (chip->type != VX_TYPE_BOARD) {
 388		/* Test if load successful: test bit 8 of register GPIOC (VX222: use CNTRL) ! */
 389		i = vx_inl(chip, GPIOC);
 390		if (i & 0x0100)
 391			return 0;
 392		dev_err(chip->card->dev,
 393			"xilinx test failed after load, GPIOC=0x%x\n", i);
 394		return -EINVAL;
 395	}
 396
 397	return 0;
 398}
 399
 400	
 401/*
 402 * load the boot/dsp images
 403 */
 404static int vx2_load_dsp(struct vx_core *vx, int index, const struct firmware *dsp)
 405{
 406	int err;
 407
 408	switch (index) {
 409	case 1:
 410		/* xilinx image */
 411		err = vx2_load_xilinx_binary(vx, dsp);
 412		if (err < 0)
 413			return err;
 414		err = vx2_test_xilinx(vx);
 415		if (err < 0)
 416			return err;
 417		return 0;
 418	case 2:
 419		/* DSP boot */
 420		return snd_vx_dsp_boot(vx, dsp);
 421	case 3:
 422		/* DSP image */
 423		return snd_vx_dsp_load(vx, dsp);
 424	default:
 425		snd_BUG();
 426		return -EINVAL;
 427	}
 428}
 429
 430
 431/*
 432 * vx_test_and_ack - test and acknowledge interrupt
 433 *
 434 * called from irq hander, too
 435 *
 436 * spinlock held!
 437 */
 438static int vx2_test_and_ack(struct vx_core *chip)
 439{
 440	/* not booted yet? */
 441	if (! (chip->chip_status & VX_STAT_XILINX_LOADED))
 442		return -ENXIO;
 443
 444	if (! (vx_inl(chip, STATUS) & VX_STATUS_MEMIRQ_MASK))
 445		return -EIO;
 446	
 447	/* ok, interrupts generated, now ack it */
 448	/* set ACQUIT bit up and down */
 449	vx_outl(chip, STATUS, 0);
 450	/* useless read just to spend some time and maintain
 451	 * the ACQUIT signal up for a while ( a bus cycle )
 452	 */
 453	vx_inl(chip, STATUS);
 454	/* ack */
 455	vx_outl(chip, STATUS, VX_STATUS_MEMIRQ_MASK);
 456	/* useless read just to spend some time and maintain
 457	 * the ACQUIT signal up for a while ( a bus cycle ) */
 458	vx_inl(chip, STATUS);
 459	/* clear */
 460	vx_outl(chip, STATUS, 0);
 461
 462	return 0;
 463}
 464
 465
 466/*
 467 * vx_validate_irq - enable/disable IRQ
 468 */
 469static void vx2_validate_irq(struct vx_core *_chip, int enable)
 470{
 471	struct snd_vx222 *chip = to_vx222(_chip);
 472
 473	/* Set the interrupt enable bit to 1 in CDSP register */
 474	if (enable) {
 475		/* Set the PCI interrupt enable bit to 1.*/
 476		vx_outl(chip, INTCSR, VX_INTCSR_VALUE|VX_PCI_INTERRUPT_MASK);
 477		chip->regCDSP |= VX_CDSP_VALID_IRQ_MASK;
 478	} else {
 479		/* Set the PCI interrupt enable bit to 0. */
 480		vx_outl(chip, INTCSR, VX_INTCSR_VALUE&~VX_PCI_INTERRUPT_MASK);
 481		chip->regCDSP &= ~VX_CDSP_VALID_IRQ_MASK;
 482	}
 483	vx_outl(chip, CDSP, chip->regCDSP);
 484}
 485
 486
 487/*
 488 * write an AKM codec data (24bit)
 489 */
 490static void vx2_write_codec_reg(struct vx_core *chip, unsigned int data)
 491{
 492	unsigned int i;
 493
 494	vx_inl(chip, HIFREQ);
 495
 496	/* We have to send 24 bits (3 x 8 bits). Start with most signif. Bit */
 497	for (i = 0; i < 24; i++, data <<= 1)
 498		vx_outl(chip, DATA, ((data & 0x800000) ? VX_DATA_CODEC_MASK : 0));
 499	/* Terminate access to codec registers */
 500	vx_inl(chip, RUER);
 501}
 502
 503
 504#define AKM_CODEC_POWER_CONTROL_CMD 0xA007
 505#define AKM_CODEC_RESET_ON_CMD      0xA100
 506#define AKM_CODEC_RESET_OFF_CMD     0xA103
 507#define AKM_CODEC_CLOCK_FORMAT_CMD  0xA240
 508#define AKM_CODEC_MUTE_CMD          0xA38D
 509#define AKM_CODEC_UNMUTE_CMD        0xA30D
 510#define AKM_CODEC_LEFT_LEVEL_CMD    0xA400
 511#define AKM_CODEC_RIGHT_LEVEL_CMD   0xA500
 512
 513static const u8 vx2_akm_gains_lut[VX2_AKM_LEVEL_MAX+1] = {
 514    0x7f,       // [000] =  +0.000 dB  ->  AKM(0x7f) =  +0.000 dB  error(+0.000 dB)
 515    0x7d,       // [001] =  -0.500 dB  ->  AKM(0x7d) =  -0.572 dB  error(-0.072 dB)
 516    0x7c,       // [002] =  -1.000 dB  ->  AKM(0x7c) =  -0.873 dB  error(+0.127 dB)
 517    0x7a,       // [003] =  -1.500 dB  ->  AKM(0x7a) =  -1.508 dB  error(-0.008 dB)
 518    0x79,       // [004] =  -2.000 dB  ->  AKM(0x79) =  -1.844 dB  error(+0.156 dB)
 519    0x77,       // [005] =  -2.500 dB  ->  AKM(0x77) =  -2.557 dB  error(-0.057 dB)
 520    0x76,       // [006] =  -3.000 dB  ->  AKM(0x76) =  -2.937 dB  error(+0.063 dB)
 521    0x75,       // [007] =  -3.500 dB  ->  AKM(0x75) =  -3.334 dB  error(+0.166 dB)
 522    0x73,       // [008] =  -4.000 dB  ->  AKM(0x73) =  -4.188 dB  error(-0.188 dB)
 523    0x72,       // [009] =  -4.500 dB  ->  AKM(0x72) =  -4.648 dB  error(-0.148 dB)
 524    0x71,       // [010] =  -5.000 dB  ->  AKM(0x71) =  -5.134 dB  error(-0.134 dB)
 525    0x70,       // [011] =  -5.500 dB  ->  AKM(0x70) =  -5.649 dB  error(-0.149 dB)
 526    0x6f,       // [012] =  -6.000 dB  ->  AKM(0x6f) =  -6.056 dB  error(-0.056 dB)
 527    0x6d,       // [013] =  -6.500 dB  ->  AKM(0x6d) =  -6.631 dB  error(-0.131 dB)
 528    0x6c,       // [014] =  -7.000 dB  ->  AKM(0x6c) =  -6.933 dB  error(+0.067 dB)
 529    0x6a,       // [015] =  -7.500 dB  ->  AKM(0x6a) =  -7.571 dB  error(-0.071 dB)
 530    0x69,       // [016] =  -8.000 dB  ->  AKM(0x69) =  -7.909 dB  error(+0.091 dB)
 531    0x67,       // [017] =  -8.500 dB  ->  AKM(0x67) =  -8.626 dB  error(-0.126 dB)
 532    0x66,       // [018] =  -9.000 dB  ->  AKM(0x66) =  -9.008 dB  error(-0.008 dB)
 533    0x65,       // [019] =  -9.500 dB  ->  AKM(0x65) =  -9.407 dB  error(+0.093 dB)
 534    0x64,       // [020] = -10.000 dB  ->  AKM(0x64) =  -9.826 dB  error(+0.174 dB)
 535    0x62,       // [021] = -10.500 dB  ->  AKM(0x62) = -10.730 dB  error(-0.230 dB)
 536    0x61,       // [022] = -11.000 dB  ->  AKM(0x61) = -11.219 dB  error(-0.219 dB)
 537    0x60,       // [023] = -11.500 dB  ->  AKM(0x60) = -11.738 dB  error(-0.238 dB)
 538    0x5f,       // [024] = -12.000 dB  ->  AKM(0x5f) = -12.149 dB  error(-0.149 dB)
 539    0x5e,       // [025] = -12.500 dB  ->  AKM(0x5e) = -12.434 dB  error(+0.066 dB)
 540    0x5c,       // [026] = -13.000 dB  ->  AKM(0x5c) = -13.033 dB  error(-0.033 dB)
 541    0x5b,       // [027] = -13.500 dB  ->  AKM(0x5b) = -13.350 dB  error(+0.150 dB)
 542    0x59,       // [028] = -14.000 dB  ->  AKM(0x59) = -14.018 dB  error(-0.018 dB)
 543    0x58,       // [029] = -14.500 dB  ->  AKM(0x58) = -14.373 dB  error(+0.127 dB)
 544    0x56,       // [030] = -15.000 dB  ->  AKM(0x56) = -15.130 dB  error(-0.130 dB)
 545    0x55,       // [031] = -15.500 dB  ->  AKM(0x55) = -15.534 dB  error(-0.034 dB)
 546    0x54,       // [032] = -16.000 dB  ->  AKM(0x54) = -15.958 dB  error(+0.042 dB)
 547    0x53,       // [033] = -16.500 dB  ->  AKM(0x53) = -16.404 dB  error(+0.096 dB)
 548    0x52,       // [034] = -17.000 dB  ->  AKM(0x52) = -16.874 dB  error(+0.126 dB)
 549    0x51,       // [035] = -17.500 dB  ->  AKM(0x51) = -17.371 dB  error(+0.129 dB)
 550    0x50,       // [036] = -18.000 dB  ->  AKM(0x50) = -17.898 dB  error(+0.102 dB)
 551    0x4e,       // [037] = -18.500 dB  ->  AKM(0x4e) = -18.605 dB  error(-0.105 dB)
 552    0x4d,       // [038] = -19.000 dB  ->  AKM(0x4d) = -18.905 dB  error(+0.095 dB)
 553    0x4b,       // [039] = -19.500 dB  ->  AKM(0x4b) = -19.538 dB  error(-0.038 dB)
 554    0x4a,       // [040] = -20.000 dB  ->  AKM(0x4a) = -19.872 dB  error(+0.128 dB)
 555    0x48,       // [041] = -20.500 dB  ->  AKM(0x48) = -20.583 dB  error(-0.083 dB)
 556    0x47,       // [042] = -21.000 dB  ->  AKM(0x47) = -20.961 dB  error(+0.039 dB)
 557    0x46,       // [043] = -21.500 dB  ->  AKM(0x46) = -21.356 dB  error(+0.144 dB)
 558    0x44,       // [044] = -22.000 dB  ->  AKM(0x44) = -22.206 dB  error(-0.206 dB)
 559    0x43,       // [045] = -22.500 dB  ->  AKM(0x43) = -22.664 dB  error(-0.164 dB)
 560    0x42,       // [046] = -23.000 dB  ->  AKM(0x42) = -23.147 dB  error(-0.147 dB)
 561    0x41,       // [047] = -23.500 dB  ->  AKM(0x41) = -23.659 dB  error(-0.159 dB)
 562    0x40,       // [048] = -24.000 dB  ->  AKM(0x40) = -24.203 dB  error(-0.203 dB)
 563    0x3f,       // [049] = -24.500 dB  ->  AKM(0x3f) = -24.635 dB  error(-0.135 dB)
 564    0x3e,       // [050] = -25.000 dB  ->  AKM(0x3e) = -24.935 dB  error(+0.065 dB)
 565    0x3c,       // [051] = -25.500 dB  ->  AKM(0x3c) = -25.569 dB  error(-0.069 dB)
 566    0x3b,       // [052] = -26.000 dB  ->  AKM(0x3b) = -25.904 dB  error(+0.096 dB)
 567    0x39,       // [053] = -26.500 dB  ->  AKM(0x39) = -26.615 dB  error(-0.115 dB)
 568    0x38,       // [054] = -27.000 dB  ->  AKM(0x38) = -26.994 dB  error(+0.006 dB)
 569    0x37,       // [055] = -27.500 dB  ->  AKM(0x37) = -27.390 dB  error(+0.110 dB)
 570    0x36,       // [056] = -28.000 dB  ->  AKM(0x36) = -27.804 dB  error(+0.196 dB)
 571    0x34,       // [057] = -28.500 dB  ->  AKM(0x34) = -28.699 dB  error(-0.199 dB)
 572    0x33,       // [058] = -29.000 dB  ->  AKM(0x33) = -29.183 dB  error(-0.183 dB)
 573    0x32,       // [059] = -29.500 dB  ->  AKM(0x32) = -29.696 dB  error(-0.196 dB)
 574    0x31,       // [060] = -30.000 dB  ->  AKM(0x31) = -30.241 dB  error(-0.241 dB)
 575    0x31,       // [061] = -30.500 dB  ->  AKM(0x31) = -30.241 dB  error(+0.259 dB)
 576    0x30,       // [062] = -31.000 dB  ->  AKM(0x30) = -30.823 dB  error(+0.177 dB)
 577    0x2e,       // [063] = -31.500 dB  ->  AKM(0x2e) = -31.610 dB  error(-0.110 dB)
 578    0x2d,       // [064] = -32.000 dB  ->  AKM(0x2d) = -31.945 dB  error(+0.055 dB)
 579    0x2b,       // [065] = -32.500 dB  ->  AKM(0x2b) = -32.659 dB  error(-0.159 dB)
 580    0x2a,       // [066] = -33.000 dB  ->  AKM(0x2a) = -33.038 dB  error(-0.038 dB)
 581    0x29,       // [067] = -33.500 dB  ->  AKM(0x29) = -33.435 dB  error(+0.065 dB)
 582    0x28,       // [068] = -34.000 dB  ->  AKM(0x28) = -33.852 dB  error(+0.148 dB)
 583    0x27,       // [069] = -34.500 dB  ->  AKM(0x27) = -34.289 dB  error(+0.211 dB)
 584    0x25,       // [070] = -35.000 dB  ->  AKM(0x25) = -35.235 dB  error(-0.235 dB)
 585    0x24,       // [071] = -35.500 dB  ->  AKM(0x24) = -35.750 dB  error(-0.250 dB)
 586    0x24,       // [072] = -36.000 dB  ->  AKM(0x24) = -35.750 dB  error(+0.250 dB)
 587    0x23,       // [073] = -36.500 dB  ->  AKM(0x23) = -36.297 dB  error(+0.203 dB)
 588    0x22,       // [074] = -37.000 dB  ->  AKM(0x22) = -36.881 dB  error(+0.119 dB)
 589    0x21,       // [075] = -37.500 dB  ->  AKM(0x21) = -37.508 dB  error(-0.008 dB)
 590    0x20,       // [076] = -38.000 dB  ->  AKM(0x20) = -38.183 dB  error(-0.183 dB)
 591    0x1f,       // [077] = -38.500 dB  ->  AKM(0x1f) = -38.726 dB  error(-0.226 dB)
 592    0x1e,       // [078] = -39.000 dB  ->  AKM(0x1e) = -39.108 dB  error(-0.108 dB)
 593    0x1d,       // [079] = -39.500 dB  ->  AKM(0x1d) = -39.507 dB  error(-0.007 dB)
 594    0x1c,       // [080] = -40.000 dB  ->  AKM(0x1c) = -39.926 dB  error(+0.074 dB)
 595    0x1b,       // [081] = -40.500 dB  ->  AKM(0x1b) = -40.366 dB  error(+0.134 dB)
 596    0x1a,       // [082] = -41.000 dB  ->  AKM(0x1a) = -40.829 dB  error(+0.171 dB)
 597    0x19,       // [083] = -41.500 dB  ->  AKM(0x19) = -41.318 dB  error(+0.182 dB)
 598    0x18,       // [084] = -42.000 dB  ->  AKM(0x18) = -41.837 dB  error(+0.163 dB)
 599    0x17,       // [085] = -42.500 dB  ->  AKM(0x17) = -42.389 dB  error(+0.111 dB)
 600    0x16,       // [086] = -43.000 dB  ->  AKM(0x16) = -42.978 dB  error(+0.022 dB)
 601    0x15,       // [087] = -43.500 dB  ->  AKM(0x15) = -43.610 dB  error(-0.110 dB)
 602    0x14,       // [088] = -44.000 dB  ->  AKM(0x14) = -44.291 dB  error(-0.291 dB)
 603    0x14,       // [089] = -44.500 dB  ->  AKM(0x14) = -44.291 dB  error(+0.209 dB)
 604    0x13,       // [090] = -45.000 dB  ->  AKM(0x13) = -45.031 dB  error(-0.031 dB)
 605    0x12,       // [091] = -45.500 dB  ->  AKM(0x12) = -45.840 dB  error(-0.340 dB)
 606    0x12,       // [092] = -46.000 dB  ->  AKM(0x12) = -45.840 dB  error(+0.160 dB)
 607    0x11,       // [093] = -46.500 dB  ->  AKM(0x11) = -46.731 dB  error(-0.231 dB)
 608    0x11,       // [094] = -47.000 dB  ->  AKM(0x11) = -46.731 dB  error(+0.269 dB)
 609    0x10,       // [095] = -47.500 dB  ->  AKM(0x10) = -47.725 dB  error(-0.225 dB)
 610    0x10,       // [096] = -48.000 dB  ->  AKM(0x10) = -47.725 dB  error(+0.275 dB)
 611    0x0f,       // [097] = -48.500 dB  ->  AKM(0x0f) = -48.553 dB  error(-0.053 dB)
 612    0x0e,       // [098] = -49.000 dB  ->  AKM(0x0e) = -49.152 dB  error(-0.152 dB)
 613    0x0d,       // [099] = -49.500 dB  ->  AKM(0x0d) = -49.796 dB  error(-0.296 dB)
 614    0x0d,       // [100] = -50.000 dB  ->  AKM(0x0d) = -49.796 dB  error(+0.204 dB)
 615    0x0c,       // [101] = -50.500 dB  ->  AKM(0x0c) = -50.491 dB  error(+0.009 dB)
 616    0x0b,       // [102] = -51.000 dB  ->  AKM(0x0b) = -51.247 dB  error(-0.247 dB)
 617    0x0b,       // [103] = -51.500 dB  ->  AKM(0x0b) = -51.247 dB  error(+0.253 dB)
 618    0x0a,       // [104] = -52.000 dB  ->  AKM(0x0a) = -52.075 dB  error(-0.075 dB)
 619    0x0a,       // [105] = -52.500 dB  ->  AKM(0x0a) = -52.075 dB  error(+0.425 dB)
 620    0x09,       // [106] = -53.000 dB  ->  AKM(0x09) = -52.990 dB  error(+0.010 dB)
 621    0x09,       // [107] = -53.500 dB  ->  AKM(0x09) = -52.990 dB  error(+0.510 dB)
 622    0x08,       // [108] = -54.000 dB  ->  AKM(0x08) = -54.013 dB  error(-0.013 dB)
 623    0x08,       // [109] = -54.500 dB  ->  AKM(0x08) = -54.013 dB  error(+0.487 dB)
 624    0x07,       // [110] = -55.000 dB  ->  AKM(0x07) = -55.173 dB  error(-0.173 dB)
 625    0x07,       // [111] = -55.500 dB  ->  AKM(0x07) = -55.173 dB  error(+0.327 dB)
 626    0x06,       // [112] = -56.000 dB  ->  AKM(0x06) = -56.512 dB  error(-0.512 dB)
 627    0x06,       // [113] = -56.500 dB  ->  AKM(0x06) = -56.512 dB  error(-0.012 dB)
 628    0x06,       // [114] = -57.000 dB  ->  AKM(0x06) = -56.512 dB  error(+0.488 dB)
 629    0x05,       // [115] = -57.500 dB  ->  AKM(0x05) = -58.095 dB  error(-0.595 dB)
 630    0x05,       // [116] = -58.000 dB  ->  AKM(0x05) = -58.095 dB  error(-0.095 dB)
 631    0x05,       // [117] = -58.500 dB  ->  AKM(0x05) = -58.095 dB  error(+0.405 dB)
 632    0x05,       // [118] = -59.000 dB  ->  AKM(0x05) = -58.095 dB  error(+0.905 dB)
 633    0x04,       // [119] = -59.500 dB  ->  AKM(0x04) = -60.034 dB  error(-0.534 dB)
 634    0x04,       // [120] = -60.000 dB  ->  AKM(0x04) = -60.034 dB  error(-0.034 dB)
 635    0x04,       // [121] = -60.500 dB  ->  AKM(0x04) = -60.034 dB  error(+0.466 dB)
 636    0x04,       // [122] = -61.000 dB  ->  AKM(0x04) = -60.034 dB  error(+0.966 dB)
 637    0x03,       // [123] = -61.500 dB  ->  AKM(0x03) = -62.532 dB  error(-1.032 dB)
 638    0x03,       // [124] = -62.000 dB  ->  AKM(0x03) = -62.532 dB  error(-0.532 dB)
 639    0x03,       // [125] = -62.500 dB  ->  AKM(0x03) = -62.532 dB  error(-0.032 dB)
 640    0x03,       // [126] = -63.000 dB  ->  AKM(0x03) = -62.532 dB  error(+0.468 dB)
 641    0x03,       // [127] = -63.500 dB  ->  AKM(0x03) = -62.532 dB  error(+0.968 dB)
 642    0x03,       // [128] = -64.000 dB  ->  AKM(0x03) = -62.532 dB  error(+1.468 dB)
 643    0x02,       // [129] = -64.500 dB  ->  AKM(0x02) = -66.054 dB  error(-1.554 dB)
 644    0x02,       // [130] = -65.000 dB  ->  AKM(0x02) = -66.054 dB  error(-1.054 dB)
 645    0x02,       // [131] = -65.500 dB  ->  AKM(0x02) = -66.054 dB  error(-0.554 dB)
 646    0x02,       // [132] = -66.000 dB  ->  AKM(0x02) = -66.054 dB  error(-0.054 dB)
 647    0x02,       // [133] = -66.500 dB  ->  AKM(0x02) = -66.054 dB  error(+0.446 dB)
 648    0x02,       // [134] = -67.000 dB  ->  AKM(0x02) = -66.054 dB  error(+0.946 dB)
 649    0x02,       // [135] = -67.500 dB  ->  AKM(0x02) = -66.054 dB  error(+1.446 dB)
 650    0x02,       // [136] = -68.000 dB  ->  AKM(0x02) = -66.054 dB  error(+1.946 dB)
 651    0x02,       // [137] = -68.500 dB  ->  AKM(0x02) = -66.054 dB  error(+2.446 dB)
 652    0x02,       // [138] = -69.000 dB  ->  AKM(0x02) = -66.054 dB  error(+2.946 dB)
 653    0x01,       // [139] = -69.500 dB  ->  AKM(0x01) = -72.075 dB  error(-2.575 dB)
 654    0x01,       // [140] = -70.000 dB  ->  AKM(0x01) = -72.075 dB  error(-2.075 dB)
 655    0x01,       // [141] = -70.500 dB  ->  AKM(0x01) = -72.075 dB  error(-1.575 dB)
 656    0x01,       // [142] = -71.000 dB  ->  AKM(0x01) = -72.075 dB  error(-1.075 dB)
 657    0x01,       // [143] = -71.500 dB  ->  AKM(0x01) = -72.075 dB  error(-0.575 dB)
 658    0x01,       // [144] = -72.000 dB  ->  AKM(0x01) = -72.075 dB  error(-0.075 dB)
 659    0x01,       // [145] = -72.500 dB  ->  AKM(0x01) = -72.075 dB  error(+0.425 dB)
 660    0x01,       // [146] = -73.000 dB  ->  AKM(0x01) = -72.075 dB  error(+0.925 dB)
 661    0x00};      // [147] = -73.500 dB  ->  AKM(0x00) =  mute       error(+infini)
 662
 663/*
 664 * pseudo-codec write entry
 665 */
 666static void vx2_write_akm(struct vx_core *chip, int reg, unsigned int data)
 667{
 668	unsigned int val;
 669
 670	if (reg == XX_CODEC_DAC_CONTROL_REGISTER) {
 671		vx2_write_codec_reg(chip, data ? AKM_CODEC_MUTE_CMD : AKM_CODEC_UNMUTE_CMD);
 672		return;
 673	}
 674
 675	/* `data' is a value between 0x0 and VX2_AKM_LEVEL_MAX = 0x093, in the case of the AKM codecs, we need
 676	   a look up table, as there is no linear matching between the driver codec values
 677	   and the real dBu value
 678	*/
 679	if (snd_BUG_ON(data >= sizeof(vx2_akm_gains_lut)))
 680		return;
 681
 682	switch (reg) {
 683	case XX_CODEC_LEVEL_LEFT_REGISTER:
 684		val = AKM_CODEC_LEFT_LEVEL_CMD;
 685		break;
 686	case XX_CODEC_LEVEL_RIGHT_REGISTER:
 687		val = AKM_CODEC_RIGHT_LEVEL_CMD;
 688		break;
 689	default:
 690		snd_BUG();
 691		return;
 692	}
 693	val |= vx2_akm_gains_lut[data];
 694
 695	vx2_write_codec_reg(chip, val);
 696}
 697
 698
 699/*
 700 * write codec bit for old VX222 board
 701 */
 702static void vx2_old_write_codec_bit(struct vx_core *chip, int codec, unsigned int data)
 703{
 704	int i;
 705
 706	/* activate access to codec registers */
 707	vx_inl(chip, HIFREQ);
 708
 709	for (i = 0; i < 24; i++, data <<= 1)
 710		vx_outl(chip, DATA, ((data & 0x800000) ? VX_DATA_CODEC_MASK : 0));
 711
 712	/* Terminate access to codec registers */
 713	vx_inl(chip, RUER);
 714}
 715
 716
 717/*
 718 * reset codec bit
 719 */
 720static void vx2_reset_codec(struct vx_core *_chip)
 721{
 722	struct snd_vx222 *chip = to_vx222(_chip);
 723
 724	/* Set the reset CODEC bit to 0. */
 725	vx_outl(chip, CDSP, chip->regCDSP &~ VX_CDSP_CODEC_RESET_MASK);
 726	vx_inl(chip, CDSP);
 727	msleep(10);
 728	/* Set the reset CODEC bit to 1. */
 729	chip->regCDSP |= VX_CDSP_CODEC_RESET_MASK;
 730	vx_outl(chip, CDSP, chip->regCDSP);
 731	vx_inl(chip, CDSP);
 732	if (_chip->type == VX_TYPE_BOARD) {
 733		msleep(1);
 734		return;
 735	}
 736
 737	msleep(5);  /* additionnel wait time for AKM's */
 738
 739	vx2_write_codec_reg(_chip, AKM_CODEC_POWER_CONTROL_CMD); /* DAC power up, ADC power up, Vref power down */
 740	
 741	vx2_write_codec_reg(_chip, AKM_CODEC_CLOCK_FORMAT_CMD); /* default */
 742	vx2_write_codec_reg(_chip, AKM_CODEC_MUTE_CMD); /* Mute = ON ,Deemphasis = OFF */
 743	vx2_write_codec_reg(_chip, AKM_CODEC_RESET_OFF_CMD); /* DAC and ADC normal operation */
 744
 745	if (_chip->type == VX_TYPE_MIC) {
 746		/* set up the micro input selector */
 747		chip->regSELMIC =  MICRO_SELECT_INPUT_NORM |
 748			MICRO_SELECT_PREAMPLI_G_0 |
 749			MICRO_SELECT_NOISE_T_52DB;
 750
 751		/* reset phantom power supply */
 752		chip->regSELMIC &= ~MICRO_SELECT_PHANTOM_ALIM;
 753
 754		vx_outl(_chip, SELMIC, chip->regSELMIC);
 755	}
 756}
 757
 758
 759/*
 760 * change the audio source
 761 */
 762static void vx2_change_audio_source(struct vx_core *_chip, int src)
 763{
 764	struct snd_vx222 *chip = to_vx222(_chip);
 765
 766	switch (src) {
 767	case VX_AUDIO_SRC_DIGITAL:
 768		chip->regCFG |= VX_CFG_DATAIN_SEL_MASK;
 769		break;
 770	default:
 771		chip->regCFG &= ~VX_CFG_DATAIN_SEL_MASK;
 772		break;
 773	}
 774	vx_outl(chip, CFG, chip->regCFG);
 775}
 776
 777
 778/*
 779 * set the clock source
 780 */
 781static void vx2_set_clock_source(struct vx_core *_chip, int source)
 782{
 783	struct snd_vx222 *chip = to_vx222(_chip);
 784
 785	if (source == INTERNAL_QUARTZ)
 786		chip->regCFG &= ~VX_CFG_CLOCKIN_SEL_MASK;
 787	else
 788		chip->regCFG |= VX_CFG_CLOCKIN_SEL_MASK;
 789	vx_outl(chip, CFG, chip->regCFG);
 790}
 791
 792/*
 793 * reset the board
 794 */
 795static void vx2_reset_board(struct vx_core *_chip, int cold_reset)
 796{
 797	struct snd_vx222 *chip = to_vx222(_chip);
 798
 799	/* initialize the register values */
 800	chip->regCDSP = VX_CDSP_CODEC_RESET_MASK | VX_CDSP_DSP_RESET_MASK ;
 801	chip->regCFG = 0;
 802}
 803
 804
 805
 806/*
 807 * input level controls for VX222 Mic
 808 */
 809
 810/* Micro level is specified to be adjustable from -96dB to 63 dB (board coded 0x00 ... 318),
 811 * 318 = 210 + 36 + 36 + 36   (210 = +9dB variable) (3 * 36 = 3 steps of 18dB pre ampli)
 812 * as we will mute if less than -110dB, so let's simply use line input coded levels and add constant offset !
 813 */
 814#define V2_MICRO_LEVEL_RANGE        (318 - 255)
 815
 816static void vx2_set_input_level(struct snd_vx222 *chip)
 817{
 818	int i, miclevel, preamp;
 819	unsigned int data;
 820
 821	miclevel = chip->mic_level;
 822	miclevel += V2_MICRO_LEVEL_RANGE; /* add 318 - 0xff */
 823	preamp = 0;
 824        while (miclevel > 210) { /* limitation to +9dB of 3310 real gain */
 825		preamp++;	/* raise pre ampli + 18dB */
 826		miclevel -= (18 * 2);   /* lower level 18 dB (*2 because of 0.5 dB steps !) */
 827        }
 828	if (snd_BUG_ON(preamp >= 4))
 829		return;
 830
 831	/* set pre-amp level */
 832	chip->regSELMIC &= ~MICRO_SELECT_PREAMPLI_MASK;
 833	chip->regSELMIC |= (preamp << MICRO_SELECT_PREAMPLI_OFFSET) & MICRO_SELECT_PREAMPLI_MASK;
 834	vx_outl(chip, SELMIC, chip->regSELMIC);
 835
 836	data = (unsigned int)miclevel << 16 |
 837		(unsigned int)chip->input_level[1] << 8 |
 838		(unsigned int)chip->input_level[0];
 839	vx_inl(chip, DATA); /* Activate input level programming */
 840
 841	/* We have to send 32 bits (4 x 8 bits) */
 842	for (i = 0; i < 32; i++, data <<= 1)
 843		vx_outl(chip, DATA, ((data & 0x80000000) ? VX_DATA_CODEC_MASK : 0));
 844
 845	vx_inl(chip, RUER); /* Terminate input level programming */
 846}
 847
 848
 849#define MIC_LEVEL_MAX	0xff
 850
 851static const DECLARE_TLV_DB_SCALE(db_scale_mic, -6450, 50, 0);
 852
 853/*
 854 * controls API for input levels
 855 */
 856
 857/* input levels */
 858static int vx_input_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 859{
 860	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 861	uinfo->count = 2;
 862	uinfo->value.integer.min = 0;
 863	uinfo->value.integer.max = MIC_LEVEL_MAX;
 864	return 0;
 865}
 866
 867static int vx_input_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 868{
 869	struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
 870	struct snd_vx222 *chip = to_vx222(_chip);
 871
 872	guard(mutex)(&_chip->mixer_mutex);
 873	ucontrol->value.integer.value[0] = chip->input_level[0];
 874	ucontrol->value.integer.value[1] = chip->input_level[1];
 875	return 0;
 876}
 877
 878static int vx_input_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 879{
 880	struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
 881	struct snd_vx222 *chip = to_vx222(_chip);
 882	if (ucontrol->value.integer.value[0] < 0 ||
 883	    ucontrol->value.integer.value[0] > MIC_LEVEL_MAX)
 884		return -EINVAL;
 885	if (ucontrol->value.integer.value[1] < 0 ||
 886	    ucontrol->value.integer.value[1] > MIC_LEVEL_MAX)
 887		return -EINVAL;
 888	guard(mutex)(&_chip->mixer_mutex);
 889	if (chip->input_level[0] != ucontrol->value.integer.value[0] ||
 890	    chip->input_level[1] != ucontrol->value.integer.value[1]) {
 891		chip->input_level[0] = ucontrol->value.integer.value[0];
 892		chip->input_level[1] = ucontrol->value.integer.value[1];
 893		vx2_set_input_level(chip);
 894		return 1;
 895	}
 896	return 0;
 897}
 898
 899/* mic level */
 900static int vx_mic_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 901{
 902	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 903	uinfo->count = 1;
 904	uinfo->value.integer.min = 0;
 905	uinfo->value.integer.max = MIC_LEVEL_MAX;
 906	return 0;
 907}
 908
 909static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 910{
 911	struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
 912	struct snd_vx222 *chip = to_vx222(_chip);
 913	ucontrol->value.integer.value[0] = chip->mic_level;
 914	return 0;
 915}
 916
 917static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 918{
 919	struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
 920	struct snd_vx222 *chip = to_vx222(_chip);
 921	if (ucontrol->value.integer.value[0] < 0 ||
 922	    ucontrol->value.integer.value[0] > MIC_LEVEL_MAX)
 923		return -EINVAL;
 924	guard(mutex)(&_chip->mixer_mutex);
 925	if (chip->mic_level != ucontrol->value.integer.value[0]) {
 926		chip->mic_level = ucontrol->value.integer.value[0];
 927		vx2_set_input_level(chip);
 928		return 1;
 929	}
 930	return 0;
 931}
 932
 933static const struct snd_kcontrol_new vx_control_input_level = {
 934	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 935	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
 936			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 937	.name =		"Capture Volume",
 938	.info =		vx_input_level_info,
 939	.get =		vx_input_level_get,
 940	.put =		vx_input_level_put,
 941	.tlv = { .p = db_scale_mic },
 942};
 943
 944static const struct snd_kcontrol_new vx_control_mic_level = {
 945	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 946	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
 947			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 948	.name =		"Mic Capture Volume",
 949	.info =		vx_mic_level_info,
 950	.get =		vx_mic_level_get,
 951	.put =		vx_mic_level_put,
 952	.tlv = { .p = db_scale_mic },
 953};
 954
 955/*
 956 * FIXME: compressor/limiter implementation is missing yet...
 957 */
 958
 959static int vx2_add_mic_controls(struct vx_core *_chip)
 960{
 961	struct snd_vx222 *chip = to_vx222(_chip);
 962	int err;
 963
 964	if (_chip->type != VX_TYPE_MIC)
 965		return 0;
 966
 967	/* mute input levels */
 968	chip->input_level[0] = chip->input_level[1] = 0;
 969	chip->mic_level = 0;
 970	vx2_set_input_level(chip);
 971
 972	/* controls */
 973	err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_input_level, chip));
 974	if (err < 0)
 975		return err;
 976	err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_level, chip));
 977	if (err < 0)
 978		return err;
 979
 980	return 0;
 981}
 982
 983
 984/*
 985 * callbacks
 986 */
 987const struct snd_vx_ops vx222_ops = {
 988	.in8 = vx2_inb,
 989	.in32 = vx2_inl,
 990	.out8 = vx2_outb,
 991	.out32 = vx2_outl,
 992	.test_and_ack = vx2_test_and_ack,
 993	.validate_irq = vx2_validate_irq,
 994	.akm_write = vx2_write_akm,
 995	.reset_codec = vx2_reset_codec,
 996	.change_audio_source = vx2_change_audio_source,
 997	.set_clock_source = vx2_set_clock_source,
 998	.load_dsp = vx2_load_dsp,
 999	.reset_dsp = vx2_reset_dsp,
1000	.reset_board = vx2_reset_board,
1001	.dma_write = vx2_dma_write,
1002	.dma_read = vx2_dma_read,
1003	.add_controls = vx2_add_mic_controls,
1004};
1005
1006/* for old VX222 board */
1007const struct snd_vx_ops vx222_old_ops = {
1008	.in8 = vx2_inb,
1009	.in32 = vx2_inl,
1010	.out8 = vx2_outb,
1011	.out32 = vx2_outl,
1012	.test_and_ack = vx2_test_and_ack,
1013	.validate_irq = vx2_validate_irq,
1014	.write_codec = vx2_old_write_codec_bit,
1015	.reset_codec = vx2_reset_codec,
1016	.change_audio_source = vx2_change_audio_source,
1017	.set_clock_source = vx2_set_clock_source,
1018	.load_dsp = vx2_load_dsp,
1019	.reset_dsp = vx2_reset_dsp,
1020	.reset_board = vx2_reset_board,
1021	.dma_write = vx2_dma_write,
1022	.dma_read = vx2_dma_read,
1023};
1024
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