lola_proc.c

  1// SPDX-License-Identifier: GPL-2.0-or-later
  2/*
  3 *  Support for Digigram Lola PCI-e boards
  4 *
  5 *  Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
  6 */
  7
  8#include <linux/kernel.h>
  9#include <linux/init.h>
 10#include <linux/io.h>
 11#include <sound/core.h>
 12#include <sound/info.h>
 13#include <sound/pcm.h>
 14#include "lola.h"
 15
 16static void print_audio_widget(struct snd_info_buffer *buffer,
 17			       struct lola *chip, int nid, const char *name)
 18{
 19	unsigned int val;
 20
 21	lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
 22	snd_iprintf(buffer, "Node 0x%02x %s wcaps 0x%x\n", nid, name, val);
 23	lola_read_param(chip, nid, LOLA_PAR_STREAM_FORMATS, &val);
 24	snd_iprintf(buffer, "  Formats: 0x%x\n", val);
 25}
 26
 27static void print_pin_widget(struct snd_info_buffer *buffer,
 28			     struct lola *chip, int nid, unsigned int ampcap,
 29			     const char *name)
 30{
 31	unsigned int val;
 32
 33	lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
 34	snd_iprintf(buffer, "Node 0x%02x %s wcaps 0x%x\n", nid, name, val);
 35	if (val == 0x00400200)
 36		return;
 37	lola_read_param(chip, nid, ampcap, &val);
 38	snd_iprintf(buffer, "  Amp-Caps: 0x%x\n", val);
 39	snd_iprintf(buffer, "    mute=%d, step-size=%d, steps=%d, ofs=%d\n",
 40		    LOLA_AMP_MUTE_CAPABLE(val),
 41		    LOLA_AMP_STEP_SIZE(val),
 42		    LOLA_AMP_NUM_STEPS(val),
 43		    LOLA_AMP_OFFSET(val));
 44	lola_codec_read(chip, nid, LOLA_VERB_GET_MAX_LEVEL, 0, 0, &val, NULL);
 45	snd_iprintf(buffer, "  Max-level: 0x%x\n", val);
 46}
 47
 48static void print_clock_widget(struct snd_info_buffer *buffer,
 49			       struct lola *chip, int nid)
 50{
 51	int i, j, num_clocks;
 52	unsigned int val;
 53
 54	lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
 55	snd_iprintf(buffer, "Node 0x%02x [Clock] wcaps 0x%x\n", nid, val);
 56	num_clocks = val & 0xff;
 57	for (i = 0; i < num_clocks; i += 4) {
 58		unsigned int res_ex;
 59		unsigned short items[4];
 60		const char *name;
 61
 62		lola_codec_read(chip, nid, LOLA_VERB_GET_CLOCK_LIST,
 63				i, 0, &val, &res_ex);
 64		items[0] = val & 0xfff;
 65		items[1] = (val >> 16) & 0xfff;
 66		items[2] = res_ex & 0xfff;
 67		items[3] = (res_ex >> 16) & 0xfff;
 68		for (j = 0; j < 4; j++) {
 69			unsigned char type = items[j] >> 8;
 70			unsigned int freq = items[j] & 0xff;
 71			if (i + j >= num_clocks)
 72				break;
 73			if (type == LOLA_CLOCK_TYPE_INTERNAL) {
 74				name = "Internal";
 75				freq = lola_sample_rate_convert(freq);
 76			} else if (type == LOLA_CLOCK_TYPE_VIDEO) {
 77				name = "Video";
 78				freq = lola_sample_rate_convert(freq);
 79			} else {
 80				name = "Other";
 81			}
 82			snd_iprintf(buffer, "  Clock %d: Type %d:%s, freq=%d\n",
 83				    i + j, type, name, freq);
 84		}
 85	}
 86}
 87
 88static void print_mixer_widget(struct snd_info_buffer *buffer,
 89			       struct lola *chip, int nid)
 90{
 91	unsigned int val;
 92
 93	lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
 94	snd_iprintf(buffer, "Node 0x%02x [Mixer] wcaps 0x%x\n", nid, val);
 95}
 96
 97static void lola_proc_codec_read(struct snd_info_entry *entry,
 98				 struct snd_info_buffer *buffer)
 99{
100	struct lola *chip = entry->private_data;
101	unsigned int val;
102	int i, nid;
103
104	lola_read_param(chip, 0, LOLA_PAR_VENDOR_ID, &val);
105	snd_iprintf(buffer, "Vendor: 0x%08x\n", val);
106	lola_read_param(chip, 1, LOLA_PAR_FUNCTION_TYPE, &val);
107	snd_iprintf(buffer, "Function Type: %d\n", val);
108	lola_read_param(chip, 1, LOLA_PAR_SPECIFIC_CAPS, &val);
109	snd_iprintf(buffer, "Specific-Caps: 0x%08x\n", val);
110	snd_iprintf(buffer, "  Pins-In %d, Pins-Out %d\n",
111		    chip->pin[CAPT].num_pins, chip->pin[PLAY].num_pins);
112	nid = 2;
113	for (i = 0; i < chip->pcm[CAPT].num_streams; i++, nid++)
114		print_audio_widget(buffer, chip, nid, "[Audio-In]");
115	for (i = 0; i < chip->pcm[PLAY].num_streams; i++, nid++)
116		print_audio_widget(buffer, chip, nid, "[Audio-Out]");
117	for (i = 0; i < chip->pin[CAPT].num_pins; i++, nid++)
118		print_pin_widget(buffer, chip, nid, LOLA_PAR_AMP_IN_CAP,
119				 "[Pin-In]");
120	for (i = 0; i < chip->pin[PLAY].num_pins; i++, nid++)
121		print_pin_widget(buffer, chip, nid, LOLA_PAR_AMP_OUT_CAP,
122				 "[Pin-Out]");
123	if (LOLA_AFG_CLOCK_WIDGET_PRESENT(chip->lola_caps)) {
124		print_clock_widget(buffer, chip, nid);
125		nid++;
126	}
127	if (LOLA_AFG_MIXER_WIDGET_PRESENT(chip->lola_caps)) {
128		print_mixer_widget(buffer, chip, nid);
129		nid++;
130	}
131}
132
133/* direct codec access for debugging */
134static void lola_proc_codec_rw_write(struct snd_info_entry *entry,
135				     struct snd_info_buffer *buffer)
136{
137	struct lola *chip = entry->private_data;
138	char line[64];
139	unsigned int id, verb, data, extdata;
140	while (!snd_info_get_line(buffer, line, sizeof(line))) {
141		if (sscanf(line, "%u %u %u %u", &id, &verb, &data, &extdata) != 4)
142			continue;
143		lola_codec_read(chip, id, verb, data, extdata,
144				&chip->debug_res,
145				&chip->debug_res_ex);
146	}
147}
148
149static void lola_proc_codec_rw_read(struct snd_info_entry *entry,
150				    struct snd_info_buffer *buffer)
151{
152	struct lola *chip = entry->private_data;
153	snd_iprintf(buffer, "0x%x 0x%x\n", chip->debug_res, chip->debug_res_ex);
154}
155
156/*
157 * dump some registers
158 */
159static void lola_proc_regs_read(struct snd_info_entry *entry,
160				struct snd_info_buffer *buffer)
161{
162	struct lola *chip = entry->private_data;
163	int i;
164
165	for (i = 0; i < 0x40; i += 4) {
166		snd_iprintf(buffer, "BAR0 %02x: %08x\n", i,
167			    readl(chip->bar[BAR0].remap_addr + i));
168	}
169	snd_iprintf(buffer, "\n");
170	for (i = 0; i < 0x30; i += 4) {
171		snd_iprintf(buffer, "BAR1 %02x: %08x\n", i,
172			    readl(chip->bar[BAR1].remap_addr + i));
173	}
174	snd_iprintf(buffer, "\n");
175	for (i = 0x80; i < 0xa0; i += 4) {
176		snd_iprintf(buffer, "BAR1 %02x: %08x\n", i,
177			    readl(chip->bar[BAR1].remap_addr + i));
178	}
179	snd_iprintf(buffer, "\n");
180	for (i = 0; i < 32; i++) {
181		snd_iprintf(buffer, "DSD %02x STS  %08x\n", i,
182			    lola_dsd_read(chip, i, STS));
183		snd_iprintf(buffer, "DSD %02x LPIB %08x\n", i,
184			    lola_dsd_read(chip, i, LPIB));
185		snd_iprintf(buffer, "DSD %02x CTL  %08x\n", i,
186			    lola_dsd_read(chip, i, CTL));
187		snd_iprintf(buffer, "DSD %02x LVIL %08x\n", i,
188			    lola_dsd_read(chip, i, LVI));
189		snd_iprintf(buffer, "DSD %02x BDPL %08x\n", i,
190			    lola_dsd_read(chip, i, BDPL));
191		snd_iprintf(buffer, "DSD %02x BDPU %08x\n", i,
192			    lola_dsd_read(chip, i, BDPU));
193	}
194}
195
196void lola_proc_debug_new(struct lola *chip)
197{
198	snd_card_ro_proc_new(chip->card, "codec", chip, lola_proc_codec_read);
199	snd_card_rw_proc_new(chip->card, "codec_rw", chip,
200			     lola_proc_codec_rw_read,
201			     lola_proc_codec_rw_write);
202	snd_card_ro_proc_new(chip->card, "regs", chip, lola_proc_regs_read);
203}