1 /* 2 * fireworks_proc.c - a part of driver for Fireworks based devices 3 * 4 * Copyright (c) 2009-2010 Clemens Ladisch 5 * Copyright (c) 2013-2014 Takashi Sakamoto 6 * 7 * Licensed under the terms of the GNU General Public License, version 2. 8 */ 9 10 #include "./fireworks.h" 11 12 static inline const char* 13 get_phys_name(struct snd_efw_phys_grp *grp, bool input) 14 { 15 static const char *const ch_type[] = { 16 "Analog", "S/PDIF", "ADAT", "S/PDIF or ADAT", "Mirroring", 17 "Headphones", "I2S", "Guitar", "Pirzo Guitar", "Guitar String", 18 }; 19 20 if (grp->type < ARRAY_SIZE(ch_type)) 21 return ch_type[grp->type]; 22 else if (input) 23 return "Input"; 24 else 25 return "Output"; 26 } 27 28 static void 29 proc_read_hwinfo(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 30 { 31 struct snd_efw *efw = entry->private_data; 32 unsigned short i; 33 struct snd_efw_hwinfo *hwinfo; 34 35 hwinfo = kmalloc(sizeof(struct snd_efw_hwinfo), GFP_KERNEL); 36 if (hwinfo == NULL) 37 return; 38 39 if (snd_efw_command_get_hwinfo(efw, hwinfo) < 0) 40 goto end; 41 42 snd_iprintf(buffer, "guid_hi: 0x%X\n", hwinfo->guid_hi); 43 snd_iprintf(buffer, "guid_lo: 0x%X\n", hwinfo->guid_lo); 44 snd_iprintf(buffer, "type: 0x%X\n", hwinfo->type); 45 snd_iprintf(buffer, "version: 0x%X\n", hwinfo->version); 46 snd_iprintf(buffer, "vendor_name: %s\n", hwinfo->vendor_name); 47 snd_iprintf(buffer, "model_name: %s\n", hwinfo->model_name); 48 49 snd_iprintf(buffer, "dsp_version: 0x%X\n", hwinfo->dsp_version); 50 snd_iprintf(buffer, "arm_version: 0x%X\n", hwinfo->arm_version); 51 snd_iprintf(buffer, "fpga_version: 0x%X\n", hwinfo->fpga_version); 52 53 snd_iprintf(buffer, "flags: 0x%X\n", hwinfo->flags); 54 55 snd_iprintf(buffer, "max_sample_rate: 0x%X\n", hwinfo->max_sample_rate); 56 snd_iprintf(buffer, "min_sample_rate: 0x%X\n", hwinfo->min_sample_rate); 57 snd_iprintf(buffer, "supported_clock: 0x%X\n", 58 hwinfo->supported_clocks); 59 60 snd_iprintf(buffer, "phys out: 0x%X\n", hwinfo->phys_out); 61 snd_iprintf(buffer, "phys in: 0x%X\n", hwinfo->phys_in); 62 63 snd_iprintf(buffer, "phys in grps: 0x%X\n", 64 hwinfo->phys_in_grp_count); 65 for (i = 0; i < hwinfo->phys_in_grp_count; i++) { 66 snd_iprintf(buffer, 67 "phys in grp[%d]: type 0x%X, count 0x%X\n", 68 i, hwinfo->phys_out_grps[i].type, 69 hwinfo->phys_out_grps[i].count); 70 } 71 72 snd_iprintf(buffer, "phys out grps: 0x%X\n", 73 hwinfo->phys_out_grp_count); 74 for (i = 0; i < hwinfo->phys_out_grp_count; i++) { 75 snd_iprintf(buffer, 76 "phys out grps[%d]: type 0x%X, count 0x%X\n", 77 i, hwinfo->phys_out_grps[i].type, 78 hwinfo->phys_out_grps[i].count); 79 } 80 81 snd_iprintf(buffer, "amdtp rx pcm channels 1x: 0x%X\n", 82 hwinfo->amdtp_rx_pcm_channels); 83 snd_iprintf(buffer, "amdtp tx pcm channels 1x: 0x%X\n", 84 hwinfo->amdtp_tx_pcm_channels); 85 snd_iprintf(buffer, "amdtp rx pcm channels 2x: 0x%X\n", 86 hwinfo->amdtp_rx_pcm_channels_2x); 87 snd_iprintf(buffer, "amdtp tx pcm channels 2x: 0x%X\n", 88 hwinfo->amdtp_tx_pcm_channels_2x); 89 snd_iprintf(buffer, "amdtp rx pcm channels 4x: 0x%X\n", 90 hwinfo->amdtp_rx_pcm_channels_4x); 91 snd_iprintf(buffer, "amdtp tx pcm channels 4x: 0x%X\n", 92 hwinfo->amdtp_tx_pcm_channels_4x); 93 94 snd_iprintf(buffer, "midi out ports: 0x%X\n", hwinfo->midi_out_ports); 95 snd_iprintf(buffer, "midi in ports: 0x%X\n", hwinfo->midi_in_ports); 96 97 snd_iprintf(buffer, "mixer playback channels: 0x%X\n", 98 hwinfo->mixer_playback_channels); 99 snd_iprintf(buffer, "mixer capture channels: 0x%X\n", 100 hwinfo->mixer_capture_channels); 101 end: 102 kfree(hwinfo); 103 } 104 105 static void 106 proc_read_clock(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 107 { 108 struct snd_efw *efw = entry->private_data; 109 enum snd_efw_clock_source clock_source; 110 unsigned int sampling_rate; 111 112 if (snd_efw_command_get_clock_source(efw, &clock_source) < 0) 113 return; 114 115 if (snd_efw_command_get_sampling_rate(efw, &sampling_rate) < 0) 116 return; 117 118 snd_iprintf(buffer, "Clock Source: %d\n", clock_source); 119 snd_iprintf(buffer, "Sampling Rate: %d\n", sampling_rate); 120 } 121 122 /* 123 * NOTE: 124 * dB = 20 * log10(linear / 0x01000000) 125 * -144.0 dB when linear is 0 126 */ 127 static void 128 proc_read_phys_meters(struct snd_info_entry *entry, 129 struct snd_info_buffer *buffer) 130 { 131 struct snd_efw *efw = entry->private_data; 132 struct snd_efw_phys_meters *meters; 133 unsigned int g, c, m, max, size; 134 const char *name; 135 u32 *linear; 136 int err; 137 138 size = sizeof(struct snd_efw_phys_meters) + 139 (efw->phys_in + efw->phys_out) * sizeof(u32); 140 meters = kzalloc(size, GFP_KERNEL); 141 if (meters == NULL) 142 return; 143 144 err = snd_efw_command_get_phys_meters(efw, meters, size); 145 if (err < 0) 146 goto end; 147 148 snd_iprintf(buffer, "Physical Meters:\n"); 149 150 m = 0; 151 max = min(efw->phys_out, meters->out_meters); 152 linear = meters->values; 153 snd_iprintf(buffer, " %d Outputs:\n", max); 154 for (g = 0; g < efw->phys_out_grp_count; g++) { 155 name = get_phys_name(&efw->phys_out_grps[g], false); 156 for (c = 0; c < efw->phys_out_grps[g].count; c++) { 157 if (m < max) 158 snd_iprintf(buffer, "\t%s [%d]: %d\n", 159 name, c, linear[m++]); 160 } 161 } 162 163 m = 0; 164 max = min(efw->phys_in, meters->in_meters); 165 linear = meters->values + meters->out_meters; 166 snd_iprintf(buffer, " %d Inputs:\n", max); 167 for (g = 0; g < efw->phys_in_grp_count; g++) { 168 name = get_phys_name(&efw->phys_in_grps[g], true); 169 for (c = 0; c < efw->phys_in_grps[g].count; c++) 170 if (m < max) 171 snd_iprintf(buffer, "\t%s [%d]: %d\n", 172 name, c, linear[m++]); 173 } 174 end: 175 kfree(meters); 176 } 177 178 static void 179 proc_read_queues_state(struct snd_info_entry *entry, 180 struct snd_info_buffer *buffer) 181 { 182 struct snd_efw *efw = entry->private_data; 183 unsigned int consumed; 184 185 if (efw->pull_ptr > efw->push_ptr) 186 consumed = snd_efw_resp_buf_size - 187 (unsigned int)(efw->pull_ptr - efw->push_ptr); 188 else 189 consumed = (unsigned int)(efw->push_ptr - efw->pull_ptr); 190 191 snd_iprintf(buffer, "%d/%d\n", 192 consumed, snd_efw_resp_buf_size); 193 } 194 195 static void 196 add_node(struct snd_efw *efw, struct snd_info_entry *root, const char *name, 197 void (*op)(struct snd_info_entry *e, struct snd_info_buffer *b)) 198 { 199 struct snd_info_entry *entry; 200 201 entry = snd_info_create_card_entry(efw->card, name, root); 202 if (entry == NULL) 203 return; 204 205 snd_info_set_text_ops(entry, efw, op); 206 if (snd_info_register(entry) < 0) 207 snd_info_free_entry(entry); 208 } 209 210 void snd_efw_proc_init(struct snd_efw *efw) 211 { 212 struct snd_info_entry *root; 213 214 /* 215 * All nodes are automatically removed at snd_card_disconnect(), 216 * by following to link list. 217 */ 218 root = snd_info_create_card_entry(efw->card, "firewire", 219 efw->card->proc_root); 220 if (root == NULL) 221 return; 222 root->mode = S_IFDIR | 0555; 223 if (snd_info_register(root) < 0) { 224 snd_info_free_entry(root); 225 return; 226 } 227 228 add_node(efw, root, "clock", proc_read_clock); 229 add_node(efw, root, "firmware", proc_read_hwinfo); 230 add_node(efw, root, "meters", proc_read_phys_meters); 231 add_node(efw, root, "queues", proc_read_queues_state); 232 } 233