1/*
2 * Driver for Digigram pcxhr compatible soundcards
3 *
4 * mixer interface for stereo cards
5 *
6 * Copyright (c) 2004 by Digigram <alsa@digigram.com>
7 *
8 *   This program is free software; you can redistribute it and/or modify
9 *   it under the terms of the GNU General Public License as published by
10 *   the Free Software Foundation; either version 2 of the License, or
11 *   (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21 */
22
23#include <linux/delay.h>
24#include <linux/io.h>
25#include <linux/pci.h>
26#include <sound/core.h>
27#include <sound/control.h>
28#include <sound/tlv.h>
29#include <sound/asoundef.h>
30#include "pcxhr.h"
31#include "pcxhr_core.h"
32#include "pcxhr_mix22.h"
33
34
35/* registers used on the DSP and Xilinx (port 2) : HR stereo cards only */
36#define PCXHR_DSP_RESET		0x20
37#define PCXHR_XLX_CFG		0x24
38#define PCXHR_XLX_RUER		0x28
39#define PCXHR_XLX_DATA		0x2C
40#define PCXHR_XLX_STATUS	0x30
41#define PCXHR_XLX_LOFREQ	0x34
42#define PCXHR_XLX_HIFREQ	0x38
43#define PCXHR_XLX_CSUER		0x3C
44#define PCXHR_XLX_SELMIC	0x40
45
46#define PCXHR_DSP 2
47
48/* byte access only ! */
49#define PCXHR_INPB(mgr, x)	inb((mgr)->port[PCXHR_DSP] + (x))
50#define PCXHR_OUTPB(mgr, x, data) outb((data), (mgr)->port[PCXHR_DSP] + (x))
51
52
53/* values for PCHR_DSP_RESET register */
54#define PCXHR_DSP_RESET_DSP	0x01
55#define PCXHR_DSP_RESET_MUTE	0x02
56#define PCXHR_DSP_RESET_CODEC	0x08
57#define PCXHR_DSP_RESET_SMPTE	0x10
58#define PCXHR_DSP_RESET_GPO_OFFSET	5
59#define PCXHR_DSP_RESET_GPO_MASK	0x60
60
61/* values for PCHR_XLX_CFG register */
62#define PCXHR_CFG_SYNCDSP_MASK		0x80
63#define PCXHR_CFG_DEPENDENCY_MASK	0x60
64#define PCXHR_CFG_INDEPENDANT_SEL	0x00
65#define PCXHR_CFG_MASTER_SEL		0x40
66#define PCXHR_CFG_SLAVE_SEL		0x20
67#define PCXHR_CFG_DATA_UER1_SEL_MASK	0x10	/* 0 (UER0), 1(UER1) */
68#define PCXHR_CFG_DATAIN_SEL_MASK	0x08	/* 0 (ana), 1 (UER) */
69#define PCXHR_CFG_SRC_MASK		0x04	/* 0 (Bypass), 1 (SRC Actif) */
70#define PCXHR_CFG_CLOCK_UER1_SEL_MASK	0x02	/* 0 (UER0), 1(UER1) */
71#define PCXHR_CFG_CLOCKIN_SEL_MASK	0x01	/* 0 (internal), 1 (AES/EBU) */
72
73/* values for PCHR_XLX_DATA register */
74#define PCXHR_DATA_CODEC	0x80
75#define AKM_POWER_CONTROL_CMD	0xA007
76#define AKM_RESET_ON_CMD	0xA100
77#define AKM_RESET_OFF_CMD	0xA103
78#define AKM_CLOCK_INF_55K_CMD	0xA240
79#define AKM_CLOCK_SUP_55K_CMD	0xA24D
80#define AKM_MUTE_CMD		0xA38D
81#define AKM_UNMUTE_CMD		0xA30D
82#define AKM_LEFT_LEVEL_CMD	0xA600
83#define AKM_RIGHT_LEVEL_CMD	0xA700
84
85/* values for PCHR_XLX_STATUS register - READ */
86#define PCXHR_STAT_SRC_LOCK		0x01
87#define PCXHR_STAT_LEVEL_IN		0x02
88#define PCXHR_STAT_GPI_OFFSET		2
89#define PCXHR_STAT_GPI_MASK		0x0C
90#define PCXHR_STAT_MIC_CAPS		0x10
91/* values for PCHR_XLX_STATUS register - WRITE */
92#define PCXHR_STAT_FREQ_SYNC_MASK	0x01
93#define PCXHR_STAT_FREQ_UER1_MASK	0x02
94#define PCXHR_STAT_FREQ_SAVE_MASK	0x80
95
96/* values for PCHR_XLX_CSUER register */
97#define PCXHR_SUER1_BIT_U_READ_MASK	0x80
98#define PCXHR_SUER1_BIT_C_READ_MASK	0x40
99#define PCXHR_SUER1_DATA_PRESENT_MASK	0x20
100#define PCXHR_SUER1_CLOCK_PRESENT_MASK	0x10
101#define PCXHR_SUER_BIT_U_READ_MASK	0x08
102#define PCXHR_SUER_BIT_C_READ_MASK	0x04
103#define PCXHR_SUER_DATA_PRESENT_MASK	0x02
104#define PCXHR_SUER_CLOCK_PRESENT_MASK	0x01
105
106#define PCXHR_SUER_BIT_U_WRITE_MASK	0x02
107#define PCXHR_SUER_BIT_C_WRITE_MASK	0x01
108
109/* values for PCXHR_XLX_SELMIC register - WRITE */
110#define PCXHR_SELMIC_PREAMPLI_OFFSET	2
111#define PCXHR_SELMIC_PREAMPLI_MASK	0x0C
112#define PCXHR_SELMIC_PHANTOM_ALIM	0x80
113
114
115static const unsigned char g_hr222_p_level[] = {
116    0x00,   /* [000] -49.5 dB:	AKM[000] = -1.#INF dB	(mute) */
117    0x01,   /* [001] -49.0 dB:	AKM[001] = -48.131 dB	(diff=0.86920 dB) */
118    0x01,   /* [002] -48.5 dB:	AKM[001] = -48.131 dB	(diff=0.36920 dB) */
119    0x01,   /* [003] -48.0 dB:	AKM[001] = -48.131 dB	(diff=0.13080 dB) */
120    0x01,   /* [004] -47.5 dB:	AKM[001] = -48.131 dB	(diff=0.63080 dB) */
121    0x01,   /* [005] -46.5 dB:	AKM[001] = -48.131 dB	(diff=1.63080 dB) */
122    0x01,   /* [006] -47.0 dB:	AKM[001] = -48.131 dB	(diff=1.13080 dB) */
123    0x01,   /* [007] -46.0 dB:	AKM[001] = -48.131 dB	(diff=2.13080 dB) */
124    0x01,   /* [008] -45.5 dB:	AKM[001] = -48.131 dB	(diff=2.63080 dB) */
125    0x02,   /* [009] -45.0 dB:	AKM[002] = -42.110 dB	(diff=2.88980 dB) */
126    0x02,   /* [010] -44.5 dB:	AKM[002] = -42.110 dB	(diff=2.38980 dB) */
127    0x02,   /* [011] -44.0 dB:	AKM[002] = -42.110 dB	(diff=1.88980 dB) */
128    0x02,   /* [012] -43.5 dB:	AKM[002] = -42.110 dB	(diff=1.38980 dB) */
129    0x02,   /* [013] -43.0 dB:	AKM[002] = -42.110 dB	(diff=0.88980 dB) */
130    0x02,   /* [014] -42.5 dB:	AKM[002] = -42.110 dB	(diff=0.38980 dB) */
131    0x02,   /* [015] -42.0 dB:	AKM[002] = -42.110 dB	(diff=0.11020 dB) */
132    0x02,   /* [016] -41.5 dB:	AKM[002] = -42.110 dB	(diff=0.61020 dB) */
133    0x02,   /* [017] -41.0 dB:	AKM[002] = -42.110 dB	(diff=1.11020 dB) */
134    0x02,   /* [018] -40.5 dB:	AKM[002] = -42.110 dB	(diff=1.61020 dB) */
135    0x03,   /* [019] -40.0 dB:	AKM[003] = -38.588 dB	(diff=1.41162 dB) */
136    0x03,   /* [020] -39.5 dB:	AKM[003] = -38.588 dB	(diff=0.91162 dB) */
137    0x03,   /* [021] -39.0 dB:	AKM[003] = -38.588 dB	(diff=0.41162 dB) */
138    0x03,   /* [022] -38.5 dB:	AKM[003] = -38.588 dB	(diff=0.08838 dB) */
139    0x03,   /* [023] -38.0 dB:	AKM[003] = -38.588 dB	(diff=0.58838 dB) */
140    0x03,   /* [024] -37.5 dB:	AKM[003] = -38.588 dB	(diff=1.08838 dB) */
141    0x04,   /* [025] -37.0 dB:	AKM[004] = -36.090 dB	(diff=0.91040 dB) */
142    0x04,   /* [026] -36.5 dB:	AKM[004] = -36.090 dB	(diff=0.41040 dB) */
143    0x04,   /* [027] -36.0 dB:	AKM[004] = -36.090 dB	(diff=0.08960 dB) */
144    0x04,   /* [028] -35.5 dB:	AKM[004] = -36.090 dB	(diff=0.58960 dB) */
145    0x05,   /* [029] -35.0 dB:	AKM[005] = -34.151 dB	(diff=0.84860 dB) */
146    0x05,   /* [030] -34.5 dB:	AKM[005] = -34.151 dB	(diff=0.34860 dB) */
147    0x05,   /* [031] -34.0 dB:	AKM[005] = -34.151 dB	(diff=0.15140 dB) */
148    0x05,   /* [032] -33.5 dB:	AKM[005] = -34.151 dB	(diff=0.65140 dB) */
149    0x06,   /* [033] -33.0 dB:	AKM[006] = -32.568 dB	(diff=0.43222 dB) */
150    0x06,   /* [034] -32.5 dB:	AKM[006] = -32.568 dB	(diff=0.06778 dB) */
151    0x06,   /* [035] -32.0 dB:	AKM[006] = -32.568 dB	(diff=0.56778 dB) */
152    0x07,   /* [036] -31.5 dB:	AKM[007] = -31.229 dB	(diff=0.27116 dB) */
153    0x07,   /* [037] -31.0 dB:	AKM[007] = -31.229 dB	(diff=0.22884 dB) */
154    0x08,   /* [038] -30.5 dB:	AKM[008] = -30.069 dB	(diff=0.43100 dB) */
155    0x08,   /* [039] -30.0 dB:	AKM[008] = -30.069 dB	(diff=0.06900 dB) */
156    0x09,   /* [040] -29.5 dB:	AKM[009] = -29.046 dB	(diff=0.45405 dB) */
157    0x09,   /* [041] -29.0 dB:	AKM[009] = -29.046 dB	(diff=0.04595 dB) */
158    0x0a,   /* [042] -28.5 dB:	AKM[010] = -28.131 dB	(diff=0.36920 dB) */
159    0x0a,   /* [043] -28.0 dB:	AKM[010] = -28.131 dB	(diff=0.13080 dB) */
160    0x0b,   /* [044] -27.5 dB:	AKM[011] = -27.303 dB	(diff=0.19705 dB) */
161    0x0b,   /* [045] -27.0 dB:	AKM[011] = -27.303 dB	(diff=0.30295 dB) */
162    0x0c,   /* [046] -26.5 dB:	AKM[012] = -26.547 dB	(diff=0.04718 dB) */
163    0x0d,   /* [047] -26.0 dB:	AKM[013] = -25.852 dB	(diff=0.14806 dB) */
164    0x0e,   /* [048] -25.5 dB:	AKM[014] = -25.208 dB	(diff=0.29176 dB) */
165    0x0e,   /* [049] -25.0 dB:	AKM[014] = -25.208 dB	(diff=0.20824 dB) */
166    0x0f,   /* [050] -24.5 dB:	AKM[015] = -24.609 dB	(diff=0.10898 dB) */
167    0x10,   /* [051] -24.0 dB:	AKM[016] = -24.048 dB	(diff=0.04840 dB) */
168    0x11,   /* [052] -23.5 dB:	AKM[017] = -23.522 dB	(diff=0.02183 dB) */
169    0x12,   /* [053] -23.0 dB:	AKM[018] = -23.025 dB	(diff=0.02535 dB) */
170    0x13,   /* [054] -22.5 dB:	AKM[019] = -22.556 dB	(diff=0.05573 dB) */
171    0x14,   /* [055] -22.0 dB:	AKM[020] = -22.110 dB	(diff=0.11020 dB) */
172    0x15,   /* [056] -21.5 dB:	AKM[021] = -21.686 dB	(diff=0.18642 dB) */
173    0x17,   /* [057] -21.0 dB:	AKM[023] = -20.896 dB	(diff=0.10375 dB) */
174    0x18,   /* [058] -20.5 dB:	AKM[024] = -20.527 dB	(diff=0.02658 dB) */
175    0x1a,   /* [059] -20.0 dB:	AKM[026] = -19.831 dB	(diff=0.16866 dB) */
176    0x1b,   /* [060] -19.5 dB:	AKM[027] = -19.504 dB	(diff=0.00353 dB) */
177    0x1d,   /* [061] -19.0 dB:	AKM[029] = -18.883 dB	(diff=0.11716 dB) */
178    0x1e,   /* [062] -18.5 dB:	AKM[030] = -18.588 dB	(diff=0.08838 dB) */
179    0x20,   /* [063] -18.0 dB:	AKM[032] = -18.028 dB	(diff=0.02780 dB) */
180    0x22,   /* [064] -17.5 dB:	AKM[034] = -17.501 dB	(diff=0.00123 dB) */
181    0x24,   /* [065] -17.0 dB:	AKM[036] = -17.005 dB	(diff=0.00475 dB) */
182    0x26,   /* [066] -16.5 dB:	AKM[038] = -16.535 dB	(diff=0.03513 dB) */
183    0x28,   /* [067] -16.0 dB:	AKM[040] = -16.090 dB	(diff=0.08960 dB) */
184    0x2b,   /* [068] -15.5 dB:	AKM[043] = -15.461 dB	(diff=0.03857 dB) */
185    0x2d,   /* [069] -15.0 dB:	AKM[045] = -15.067 dB	(diff=0.06655 dB) */
186    0x30,   /* [070] -14.5 dB:	AKM[048] = -14.506 dB	(diff=0.00598 dB) */
187    0x33,   /* [071] -14.0 dB:	AKM[051] = -13.979 dB	(diff=0.02060 dB) */
188    0x36,   /* [072] -13.5 dB:	AKM[054] = -13.483 dB	(diff=0.01707 dB) */
189    0x39,   /* [073] -13.0 dB:	AKM[057] = -13.013 dB	(diff=0.01331 dB) */
190    0x3c,   /* [074] -12.5 dB:	AKM[060] = -12.568 dB	(diff=0.06778 dB) */
191    0x40,   /* [075] -12.0 dB:	AKM[064] = -12.007 dB	(diff=0.00720 dB) */
192    0x44,   /* [076] -11.5 dB:	AKM[068] = -11.481 dB	(diff=0.01937 dB) */
193    0x48,   /* [077] -11.0 dB:	AKM[072] = -10.984 dB	(diff=0.01585 dB) */
194    0x4c,   /* [078] -10.5 dB:	AKM[076] = -10.515 dB	(diff=0.01453 dB) */
195    0x51,   /* [079] -10.0 dB:	AKM[081] = -9.961 dB	(diff=0.03890 dB) */
196    0x55,   /* [080] -9.5 dB:	AKM[085] = -9.542 dB	(diff=0.04243 dB) */
197    0x5a,   /* [081] -9.0 dB:	AKM[090] = -9.046 dB	(diff=0.04595 dB) */
198    0x60,   /* [082] -8.5 dB:	AKM[096] = -8.485 dB	(diff=0.01462 dB) */
199    0x66,   /* [083] -8.0 dB:	AKM[102] = -7.959 dB	(diff=0.04120 dB) */
200    0x6c,   /* [084] -7.5 dB:	AKM[108] = -7.462 dB	(diff=0.03767 dB) */
201    0x72,   /* [085] -7.0 dB:	AKM[114] = -6.993 dB	(diff=0.00729 dB) */
202    0x79,   /* [086] -6.5 dB:	AKM[121] = -6.475 dB	(diff=0.02490 dB) */
203    0x80,   /* [087] -6.0 dB:	AKM[128] = -5.987 dB	(diff=0.01340 dB) */
204    0x87,   /* [088] -5.5 dB:	AKM[135] = -5.524 dB	(diff=0.02413 dB) */
205    0x8f,   /* [089] -5.0 dB:	AKM[143] = -5.024 dB	(diff=0.02408 dB) */
206    0x98,   /* [090] -4.5 dB:	AKM[152] = -4.494 dB	(diff=0.00607 dB) */
207    0xa1,   /* [091] -4.0 dB:	AKM[161] = -3.994 dB	(diff=0.00571 dB) */
208    0xaa,   /* [092] -3.5 dB:	AKM[170] = -3.522 dB	(diff=0.02183 dB) */
209    0xb5,   /* [093] -3.0 dB:	AKM[181] = -2.977 dB	(diff=0.02277 dB) */
210    0xbf,   /* [094] -2.5 dB:	AKM[191] = -2.510 dB	(diff=0.01014 dB) */
211    0xcb,   /* [095] -2.0 dB:	AKM[203] = -1.981 dB	(diff=0.01912 dB) */
212    0xd7,   /* [096] -1.5 dB:	AKM[215] = -1.482 dB	(diff=0.01797 dB) */
213    0xe3,   /* [097] -1.0 dB:	AKM[227] = -1.010 dB	(diff=0.01029 dB) */
214    0xf1,   /* [098] -0.5 dB:	AKM[241] = -0.490 dB	(diff=0.00954 dB) */
215    0xff,   /* [099] +0.0 dB:	AKM[255] = +0.000 dB	(diff=0.00000 dB) */
216};
217
218
219static void hr222_config_akm(struct pcxhr_mgr *mgr, unsigned short data)
220{
221	unsigned short mask = 0x8000;
222	/* activate access to codec registers */
223	PCXHR_INPB(mgr, PCXHR_XLX_HIFREQ);
224
225	while (mask) {
226		PCXHR_OUTPB(mgr, PCXHR_XLX_DATA,
227			    data & mask ? PCXHR_DATA_CODEC : 0);
228		mask >>= 1;
229	}
230	/* termiate access to codec registers */
231	PCXHR_INPB(mgr, PCXHR_XLX_RUER);
232}
233
234
235static int hr222_set_hw_playback_level(struct pcxhr_mgr *mgr,
236				       int idx, int level)
237{
238	unsigned short cmd;
239	if (idx > 1 ||
240	    level < 0 ||
241	    level >= ARRAY_SIZE(g_hr222_p_level))
242		return -EINVAL;
243
244	if (idx == 0)
245		cmd = AKM_LEFT_LEVEL_CMD;
246	else
247		cmd = AKM_RIGHT_LEVEL_CMD;
248
249	/* conversion from PmBoardCodedLevel to AKM nonlinear programming */
250	cmd += g_hr222_p_level[level];
251
252	hr222_config_akm(mgr, cmd);
253	return 0;
254}
255
256
257static int hr222_set_hw_capture_level(struct pcxhr_mgr *mgr,
258				      int level_l, int level_r, int level_mic)
259{
260	/* program all input levels at the same time */
261	unsigned int data;
262	int i;
263
264	if (!mgr->capture_chips)
265		return -EINVAL;	/* no PCX22 */
266
267	data  = ((level_mic & 0xff) << 24);	/* micro is mono, but apply */
268	data |= ((level_mic & 0xff) << 16);	/* level on both channels */
269	data |= ((level_r & 0xff) << 8);	/* line input right channel */
270	data |= (level_l & 0xff);		/* line input left channel */
271
272	PCXHR_INPB(mgr, PCXHR_XLX_DATA);	/* activate input codec */
273	/* send 32 bits (4 x 8 bits) */
274	for (i = 0; i < 32; i++, data <<= 1) {
275		PCXHR_OUTPB(mgr, PCXHR_XLX_DATA,
276			    (data & 0x80000000) ? PCXHR_DATA_CODEC : 0);
277	}
278	PCXHR_INPB(mgr, PCXHR_XLX_RUER);	/* close input level codec */
279	return 0;
280}
281
282static void hr222_micro_boost(struct pcxhr_mgr *mgr, int level);
283
284int hr222_sub_init(struct pcxhr_mgr *mgr)
285{
286	unsigned char reg;
287
288	mgr->board_has_analog = 1;	/* analog always available */
289	mgr->xlx_cfg = PCXHR_CFG_SYNCDSP_MASK;
290
291	reg = PCXHR_INPB(mgr, PCXHR_XLX_STATUS);
292	if (reg & PCXHR_STAT_MIC_CAPS)
293		mgr->board_has_mic = 1;	/* microphone available */
294	dev_dbg(&mgr->pci->dev,
295		"MIC input available = %d\n", mgr->board_has_mic);
296
297	/* reset codec */
298	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET,
299		    PCXHR_DSP_RESET_DSP);
300	msleep(5);
301	mgr->dsp_reset = PCXHR_DSP_RESET_DSP  |
302			 PCXHR_DSP_RESET_MUTE |
303			 PCXHR_DSP_RESET_CODEC;
304	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, mgr->dsp_reset);
305	/* hr222_write_gpo(mgr, 0); does the same */
306	msleep(5);
307
308	/* config AKM */
309	hr222_config_akm(mgr, AKM_POWER_CONTROL_CMD);
310	hr222_config_akm(mgr, AKM_CLOCK_INF_55K_CMD);
311	hr222_config_akm(mgr, AKM_UNMUTE_CMD);
312	hr222_config_akm(mgr, AKM_RESET_OFF_CMD);
313
314	/* init micro boost */
315	hr222_micro_boost(mgr, 0);
316
317	return 0;
318}
319
320
321/* calc PLL register */
322/* TODO : there is a very similar fct in pcxhr.c */
323static int hr222_pll_freq_register(unsigned int freq,
324				   unsigned int *pllreg,
325				   unsigned int *realfreq)
326{
327	unsigned int reg;
328
329	if (freq < 6900 || freq > 219000)
330		return -EINVAL;
331	reg = (28224000 * 2) / freq;
332	reg = (reg - 1) / 2;
333	if (reg < 0x100)
334		*pllreg = reg + 0xC00;
335	else if (reg < 0x200)
336		*pllreg = reg + 0x800;
337	else if (reg < 0x400)
338		*pllreg = reg & 0x1ff;
339	else if (reg < 0x800) {
340		*pllreg = ((reg >> 1) & 0x1ff) + 0x200;
341		reg &= ~1;
342	} else {
343		*pllreg = ((reg >> 2) & 0x1ff) + 0x400;
344		reg &= ~3;
345	}
346	if (realfreq)
347		*realfreq = (28224000 / (reg + 1));
348	return 0;
349}
350
351int hr222_sub_set_clock(struct pcxhr_mgr *mgr,
352			unsigned int rate,
353			int *changed)
354{
355	unsigned int speed, pllreg = 0;
356	int err;
357	unsigned realfreq = rate;
358
359	switch (mgr->use_clock_type) {
360	case HR22_CLOCK_TYPE_INTERNAL:
361		err = hr222_pll_freq_register(rate, &pllreg, &realfreq);
362		if (err)
363			return err;
364
365		mgr->xlx_cfg &= ~(PCXHR_CFG_CLOCKIN_SEL_MASK |
366				  PCXHR_CFG_CLOCK_UER1_SEL_MASK);
367		break;
368	case HR22_CLOCK_TYPE_AES_SYNC:
369		mgr->xlx_cfg |= PCXHR_CFG_CLOCKIN_SEL_MASK;
370		mgr->xlx_cfg &= ~PCXHR_CFG_CLOCK_UER1_SEL_MASK;
371		break;
372	case HR22_CLOCK_TYPE_AES_1:
373		if (!mgr->board_has_aes1)
374			return -EINVAL;
375
376		mgr->xlx_cfg |= (PCXHR_CFG_CLOCKIN_SEL_MASK |
377				 PCXHR_CFG_CLOCK_UER1_SEL_MASK);
378		break;
379	default:
380		return -EINVAL;
381	}
382	hr222_config_akm(mgr, AKM_MUTE_CMD);
383
384	if (mgr->use_clock_type == HR22_CLOCK_TYPE_INTERNAL) {
385		PCXHR_OUTPB(mgr, PCXHR_XLX_HIFREQ, pllreg >> 8);
386		PCXHR_OUTPB(mgr, PCXHR_XLX_LOFREQ, pllreg & 0xff);
387	}
388
389	/* set clock source */
390	PCXHR_OUTPB(mgr, PCXHR_XLX_CFG, mgr->xlx_cfg);
391
392	/* codec speed modes */
393	speed = rate < 55000 ? 0 : 1;
394	if (mgr->codec_speed != speed) {
395		mgr->codec_speed = speed;
396		if (speed == 0)
397			hr222_config_akm(mgr, AKM_CLOCK_INF_55K_CMD);
398		else
399			hr222_config_akm(mgr, AKM_CLOCK_SUP_55K_CMD);
400	}
401
402	mgr->sample_rate_real = realfreq;
403	mgr->cur_clock_type = mgr->use_clock_type;
404
405	if (changed)
406		*changed = 1;
407
408	hr222_config_akm(mgr, AKM_UNMUTE_CMD);
409
410	dev_dbg(&mgr->pci->dev, "set_clock to %dHz (realfreq=%d pllreg=%x)\n",
411		    rate, realfreq, pllreg);
412	return 0;
413}
414
415int hr222_get_external_clock(struct pcxhr_mgr *mgr,
416			     enum pcxhr_clock_type clock_type,
417			     int *sample_rate)
418{
419	int rate, calc_rate = 0;
420	unsigned int ticks;
421	unsigned char mask, reg;
422
423	if (clock_type == HR22_CLOCK_TYPE_AES_SYNC) {
424
425		mask = (PCXHR_SUER_CLOCK_PRESENT_MASK |
426			PCXHR_SUER_DATA_PRESENT_MASK);
427		reg = PCXHR_STAT_FREQ_SYNC_MASK;
428
429	} else if (clock_type == HR22_CLOCK_TYPE_AES_1 && mgr->board_has_aes1) {
430
431		mask = (PCXHR_SUER1_CLOCK_PRESENT_MASK |
432			PCXHR_SUER1_DATA_PRESENT_MASK);
433		reg = PCXHR_STAT_FREQ_UER1_MASK;
434
435	} else {
436		dev_dbg(&mgr->pci->dev,
437			"get_external_clock : type %d not supported\n",
438			    clock_type);
439		return -EINVAL; /* other clocks not supported */
440	}
441
442	if ((PCXHR_INPB(mgr, PCXHR_XLX_CSUER) & mask) != mask) {
443		dev_dbg(&mgr->pci->dev,
444			"get_external_clock(%d) = 0 Hz\n", clock_type);
445		*sample_rate = 0;
446		return 0; /* no external clock locked */
447	}
448
449	PCXHR_OUTPB(mgr, PCXHR_XLX_STATUS, reg); /* calculate freq */
450
451	/* save the measured clock frequency */
452	reg |= PCXHR_STAT_FREQ_SAVE_MASK;
453
454	if (mgr->last_reg_stat != reg) {
455		udelay(500);	/* wait min 2 cycles of lowest freq (8000) */
456		mgr->last_reg_stat = reg;
457	}
458
459	PCXHR_OUTPB(mgr, PCXHR_XLX_STATUS, reg); /* save */
460
461	/* get the frequency */
462	ticks = (unsigned int)PCXHR_INPB(mgr, PCXHR_XLX_CFG);
463	ticks = (ticks & 0x03) << 8;
464	ticks |= (unsigned int)PCXHR_INPB(mgr, PCXHR_DSP_RESET);
465
466	if (ticks != 0)
467		calc_rate = 28224000 / ticks;
468	/* rounding */
469	if (calc_rate > 184200)
470		rate = 192000;
471	else if (calc_rate > 152200)
472		rate = 176400;
473	else if (calc_rate > 112000)
474		rate = 128000;
475	else if (calc_rate > 92100)
476		rate = 96000;
477	else if (calc_rate > 76100)
478		rate = 88200;
479	else if (calc_rate > 56000)
480		rate = 64000;
481	else if (calc_rate > 46050)
482		rate = 48000;
483	else if (calc_rate > 38050)
484		rate = 44100;
485	else if (calc_rate > 28000)
486		rate = 32000;
487	else if (calc_rate > 23025)
488		rate = 24000;
489	else if (calc_rate > 19025)
490		rate = 22050;
491	else if (calc_rate > 14000)
492		rate = 16000;
493	else if (calc_rate > 11512)
494		rate = 12000;
495	else if (calc_rate > 9512)
496		rate = 11025;
497	else if (calc_rate > 7000)
498		rate = 8000;
499	else
500		rate = 0;
501
502	dev_dbg(&mgr->pci->dev, "External clock is at %d Hz (measured %d Hz)\n",
503		    rate, calc_rate);
504	*sample_rate = rate;
505	return 0;
506}
507
508
509int hr222_read_gpio(struct pcxhr_mgr *mgr, int is_gpi, int *value)
510{
511	if (is_gpi) {
512		unsigned char reg = PCXHR_INPB(mgr, PCXHR_XLX_STATUS);
513		*value = (int)(reg & PCXHR_STAT_GPI_MASK) >>
514			      PCXHR_STAT_GPI_OFFSET;
515	} else {
516		*value = (int)(mgr->dsp_reset & PCXHR_DSP_RESET_GPO_MASK) >>
517			 PCXHR_DSP_RESET_GPO_OFFSET;
518	}
519	return 0;
520}
521
522
523int hr222_write_gpo(struct pcxhr_mgr *mgr, int value)
524{
525	unsigned char reg = mgr->dsp_reset & ~PCXHR_DSP_RESET_GPO_MASK;
526
527	reg |= (unsigned char)(value << PCXHR_DSP_RESET_GPO_OFFSET) &
528	       PCXHR_DSP_RESET_GPO_MASK;
529
530	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, reg);
531	mgr->dsp_reset = reg;
532	return 0;
533}
534
535int hr222_manage_timecode(struct pcxhr_mgr *mgr, int enable)
536{
537	if (enable)
538		mgr->dsp_reset |= PCXHR_DSP_RESET_SMPTE;
539	else
540		mgr->dsp_reset &= ~PCXHR_DSP_RESET_SMPTE;
541
542	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, mgr->dsp_reset);
543	return 0;
544}
545
546int hr222_update_analog_audio_level(struct snd_pcxhr *chip,
547				    int is_capture, int channel)
548{
549	dev_dbg(chip->card->dev,
550		"hr222_update_analog_audio_level(%s chan=%d)\n",
551		    is_capture ? "capture" : "playback", channel);
552	if (is_capture) {
553		int level_l, level_r, level_mic;
554		/* we have to update all levels */
555		if (chip->analog_capture_active) {
556			level_l = chip->analog_capture_volume[0];
557			level_r = chip->analog_capture_volume[1];
558		} else {
559			level_l = HR222_LINE_CAPTURE_LEVEL_MIN;
560			level_r = HR222_LINE_CAPTURE_LEVEL_MIN;
561		}
562		if (chip->mic_active)
563			level_mic = chip->mic_volume;
564		else
565			level_mic = HR222_MICRO_CAPTURE_LEVEL_MIN;
566		return hr222_set_hw_capture_level(chip->mgr,
567						 level_l, level_r, level_mic);
568	} else {
569		int vol;
570		if (chip->analog_playback_active[channel])
571			vol = chip->analog_playback_volume[channel];
572		else
573			vol = HR222_LINE_PLAYBACK_LEVEL_MIN;
574		return hr222_set_hw_playback_level(chip->mgr, channel, vol);
575	}
576}
577
578
579/*texts[5] = {"Line", "Digital", "Digi+SRC", "Mic", "Line+Mic"}*/
580#define SOURCE_LINE	0
581#define SOURCE_DIGITAL	1
582#define SOURCE_DIGISRC	2
583#define SOURCE_MIC	3
584#define SOURCE_LINEMIC	4
585
586int hr222_set_audio_source(struct snd_pcxhr *chip)
587{
588	int digital = 0;
589	/* default analog source */
590	chip->mgr->xlx_cfg &= ~(PCXHR_CFG_SRC_MASK |
591				PCXHR_CFG_DATAIN_SEL_MASK |
592				PCXHR_CFG_DATA_UER1_SEL_MASK);
593
594	if (chip->audio_capture_source == SOURCE_DIGISRC) {
595		chip->mgr->xlx_cfg |= PCXHR_CFG_SRC_MASK;
596		digital = 1;
597	} else {
598		if (chip->audio_capture_source == SOURCE_DIGITAL)
599			digital = 1;
600	}
601	if (digital) {
602		chip->mgr->xlx_cfg |=  PCXHR_CFG_DATAIN_SEL_MASK;
603		if (chip->mgr->board_has_aes1) {
604			/* get data from the AES1 plug */
605			chip->mgr->xlx_cfg |= PCXHR_CFG_DATA_UER1_SEL_MASK;
606		}
607		/* chip->mic_active = 0; */
608		/* chip->analog_capture_active = 0; */
609	} else {
610		int update_lvl = 0;
611		chip->analog_capture_active = 0;
612		chip->mic_active = 0;
613		if (chip->audio_capture_source == SOURCE_LINE ||
614		    chip->audio_capture_source == SOURCE_LINEMIC) {
615			if (chip->analog_capture_active == 0)
616				update_lvl = 1;
617			chip->analog_capture_active = 1;
618		}
619		if (chip->audio_capture_source == SOURCE_MIC ||
620		    chip->audio_capture_source == SOURCE_LINEMIC) {
621			if (chip->mic_active == 0)
622				update_lvl = 1;
623			chip->mic_active = 1;
624		}
625		if (update_lvl) {
626			/* capture: update all 3 mutes/unmutes with one call */
627			hr222_update_analog_audio_level(chip, 1, 0);
628		}
629	}
630	/* set the source infos (max 3 bits modified) */
631	PCXHR_OUTPB(chip->mgr, PCXHR_XLX_CFG, chip->mgr->xlx_cfg);
632	return 0;
633}
634
635
636int hr222_iec958_capture_byte(struct snd_pcxhr *chip,
637			     int aes_idx, unsigned char *aes_bits)
638{
639	unsigned char idx = (unsigned char)(aes_idx * 8);
640	unsigned char temp = 0;
641	unsigned char mask = chip->mgr->board_has_aes1 ?
642		PCXHR_SUER1_BIT_C_READ_MASK : PCXHR_SUER_BIT_C_READ_MASK;
643	int i;
644	for (i = 0; i < 8; i++) {
645		PCXHR_OUTPB(chip->mgr, PCXHR_XLX_RUER, idx++); /* idx < 192 */
646		temp <<= 1;
647		if (PCXHR_INPB(chip->mgr, PCXHR_XLX_CSUER) & mask)
648			temp |= 1;
649	}
650	dev_dbg(chip->card->dev, "read iec958 AES %d byte %d = 0x%x\n",
651		    chip->chip_idx, aes_idx, temp);
652	*aes_bits = temp;
653	return 0;
654}
655
656
657int hr222_iec958_update_byte(struct snd_pcxhr *chip,
658			     int aes_idx, unsigned char aes_bits)
659{
660	int i;
661	unsigned char new_bits = aes_bits;
662	unsigned char old_bits = chip->aes_bits[aes_idx];
663	unsigned char idx = (unsigned char)(aes_idx * 8);
664	for (i = 0; i < 8; i++) {
665		if ((old_bits & 0x01) != (new_bits & 0x01)) {
666			/* idx < 192 */
667			PCXHR_OUTPB(chip->mgr, PCXHR_XLX_RUER, idx);
668			/* write C and U bit */
669			PCXHR_OUTPB(chip->mgr, PCXHR_XLX_CSUER, new_bits&0x01 ?
670				    PCXHR_SUER_BIT_C_WRITE_MASK : 0);
671		}
672		idx++;
673		old_bits >>= 1;
674		new_bits >>= 1;
675	}
676	chip->aes_bits[aes_idx] = aes_bits;
677	return 0;
678}
679
680static void hr222_micro_boost(struct pcxhr_mgr *mgr, int level)
681{
682	unsigned char boost_mask;
683	boost_mask = (unsigned char) (level << PCXHR_SELMIC_PREAMPLI_OFFSET);
684	if (boost_mask & (~PCXHR_SELMIC_PREAMPLI_MASK))
685		return; /* only values form 0 to 3 accepted */
686
687	mgr->xlx_selmic &= ~PCXHR_SELMIC_PREAMPLI_MASK;
688	mgr->xlx_selmic |= boost_mask;
689
690	PCXHR_OUTPB(mgr, PCXHR_XLX_SELMIC, mgr->xlx_selmic);
691
692	dev_dbg(&mgr->pci->dev, "hr222_micro_boost : set %x\n", boost_mask);
693}
694
695static void hr222_phantom_power(struct pcxhr_mgr *mgr, int power)
696{
697	if (power)
698		mgr->xlx_selmic |= PCXHR_SELMIC_PHANTOM_ALIM;
699	else
700		mgr->xlx_selmic &= ~PCXHR_SELMIC_PHANTOM_ALIM;
701
702	PCXHR_OUTPB(mgr, PCXHR_XLX_SELMIC, mgr->xlx_selmic);
703
704	dev_dbg(&mgr->pci->dev, "hr222_phantom_power : set %d\n", power);
705}
706
707
708/* mic level */
709static const DECLARE_TLV_DB_SCALE(db_scale_mic_hr222, -9850, 50, 650);
710
711static int hr222_mic_vol_info(struct snd_kcontrol *kcontrol,
712			      struct snd_ctl_elem_info *uinfo)
713{
714	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
715	uinfo->count = 1;
716	uinfo->value.integer.min = HR222_MICRO_CAPTURE_LEVEL_MIN; /* -98 dB */
717	/* gains from 9 dB to 31.5 dB not recommended; use micboost instead */
718	uinfo->value.integer.max = HR222_MICRO_CAPTURE_LEVEL_MAX; /*  +7 dB */
719	return 0;
720}
721
722static int hr222_mic_vol_get(struct snd_kcontrol *kcontrol,
723			     struct snd_ctl_elem_value *ucontrol)
724{
725	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
726	mutex_lock(&chip->mgr->mixer_mutex);
727	ucontrol->value.integer.value[0] = chip->mic_volume;
728	mutex_unlock(&chip->mgr->mixer_mutex);
729	return 0;
730}
731
732static int hr222_mic_vol_put(struct snd_kcontrol *kcontrol,
733			     struct snd_ctl_elem_value *ucontrol)
734{
735	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
736	int changed = 0;
737	mutex_lock(&chip->mgr->mixer_mutex);
738	if (chip->mic_volume != ucontrol->value.integer.value[0]) {
739		changed = 1;
740		chip->mic_volume = ucontrol->value.integer.value[0];
741		hr222_update_analog_audio_level(chip, 1, 0);
742	}
743	mutex_unlock(&chip->mgr->mixer_mutex);
744	return changed;
745}
746
747static struct snd_kcontrol_new hr222_control_mic_level = {
748	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
749	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
750			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
751	.name =		"Mic Capture Volume",
752	.info =		hr222_mic_vol_info,
753	.get =		hr222_mic_vol_get,
754	.put =		hr222_mic_vol_put,
755	.tlv = { .p = db_scale_mic_hr222 },
756};
757
758
759/* mic boost level */
760static const DECLARE_TLV_DB_SCALE(db_scale_micboost_hr222, 0, 1800, 5400);
761
762static int hr222_mic_boost_info(struct snd_kcontrol *kcontrol,
763				struct snd_ctl_elem_info *uinfo)
764{
765	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
766	uinfo->count = 1;
767	uinfo->value.integer.min = 0;	/*  0 dB */
768	uinfo->value.integer.max = 3;	/* 54 dB */
769	return 0;
770}
771
772static int hr222_mic_boost_get(struct snd_kcontrol *kcontrol,
773			       struct snd_ctl_elem_value *ucontrol)
774{
775	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
776	mutex_lock(&chip->mgr->mixer_mutex);
777	ucontrol->value.integer.value[0] = chip->mic_boost;
778	mutex_unlock(&chip->mgr->mixer_mutex);
779	return 0;
780}
781
782static int hr222_mic_boost_put(struct snd_kcontrol *kcontrol,
783			       struct snd_ctl_elem_value *ucontrol)
784{
785	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
786	int changed = 0;
787	mutex_lock(&chip->mgr->mixer_mutex);
788	if (chip->mic_boost != ucontrol->value.integer.value[0]) {
789		changed = 1;
790		chip->mic_boost = ucontrol->value.integer.value[0];
791		hr222_micro_boost(chip->mgr, chip->mic_boost);
792	}
793	mutex_unlock(&chip->mgr->mixer_mutex);
794	return changed;
795}
796
797static struct snd_kcontrol_new hr222_control_mic_boost = {
798	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
799	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
800			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
801	.name =		"MicBoost Capture Volume",
802	.info =		hr222_mic_boost_info,
803	.get =		hr222_mic_boost_get,
804	.put =		hr222_mic_boost_put,
805	.tlv = { .p = db_scale_micboost_hr222 },
806};
807
808
809/******************* Phantom power switch *******************/
810#define hr222_phantom_power_info	snd_ctl_boolean_mono_info
811
812static int hr222_phantom_power_get(struct snd_kcontrol *kcontrol,
813				   struct snd_ctl_elem_value *ucontrol)
814{
815	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
816	mutex_lock(&chip->mgr->mixer_mutex);
817	ucontrol->value.integer.value[0] = chip->phantom_power;
818	mutex_unlock(&chip->mgr->mixer_mutex);
819	return 0;
820}
821
822static int hr222_phantom_power_put(struct snd_kcontrol *kcontrol,
823				   struct snd_ctl_elem_value *ucontrol)
824{
825	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
826	int power, changed = 0;
827
828	mutex_lock(&chip->mgr->mixer_mutex);
829	power = !!ucontrol->value.integer.value[0];
830	if (chip->phantom_power != power) {
831		hr222_phantom_power(chip->mgr, power);
832		chip->phantom_power = power;
833		changed = 1;
834	}
835	mutex_unlock(&chip->mgr->mixer_mutex);
836	return changed;
837}
838
839static struct snd_kcontrol_new hr222_phantom_power_switch = {
840	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
841	.name = "Phantom Power Switch",
842	.info = hr222_phantom_power_info,
843	.get = hr222_phantom_power_get,
844	.put = hr222_phantom_power_put,
845};
846
847
848int hr222_add_mic_controls(struct snd_pcxhr *chip)
849{
850	int err;
851	if (!chip->mgr->board_has_mic)
852		return 0;
853
854	/* controls */
855	err = snd_ctl_add(chip->card, snd_ctl_new1(&hr222_control_mic_level,
856						   chip));
857	if (err < 0)
858		return err;
859
860	err = snd_ctl_add(chip->card, snd_ctl_new1(&hr222_control_mic_boost,
861						   chip));
862	if (err < 0)
863		return err;
864
865	err = snd_ctl_add(chip->card, snd_ctl_new1(&hr222_phantom_power_switch,
866						   chip));
867	return err;
868}
869