developer | e0cea0f | 2021-12-16 16:08:26 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | |
| 3 | #include <linux/module.h> |
| 4 | #include <linux/init.h> |
| 5 | |
| 6 | |
| 7 | #include <linux/kernel.h> |
| 8 | #include <linux/err.h> |
| 9 | #include <linux/delay.h> |
| 10 | |
| 11 | #include <linux/regmap.h> |
| 12 | #include <linux/spi/spi.h> |
| 13 | |
| 14 | |
| 15 | #include <sound/core.h> |
| 16 | #include <sound/pcm.h> |
| 17 | #include <sound/pcm_params.h> |
| 18 | #include <sound/soc.h> |
| 19 | #include <sound/tlv.h> |
| 20 | |
| 21 | #include "proslic_sys.h" |
| 22 | #include "si3218x.h" |
| 23 | #include "inc/proslic.h" |
| 24 | #include "timer.h" |
| 25 | |
| 26 | #include "spi.h" |
| 27 | |
| 28 | #ifdef SI3218X |
| 29 | #include "inc/si3218x.h" |
| 30 | #include "inc/si3218x_intf.h" |
| 31 | #endif |
| 32 | |
| 33 | #define NUMBER_OF_DEVICES 1 |
| 34 | #if defined(SI3218X) |
| 35 | #define CHAN_PER_DEVICE 1 |
| 36 | #define NUMBER_OF_CHAN (NUMBER_OF_DEVICES*CHAN_PER_DEVICE) |
| 37 | #define NUMBER_OF_PROSLIC (NUMBER_OF_CHAN) |
| 38 | #define PROSLIC_DEVICE_TYPE SI3218X_TYPE |
| 39 | #endif |
| 40 | |
| 41 | static int slic_init = 0; |
| 42 | |
| 43 | ctrl_S spiGciObj; /* User¡¦s control interface object */ |
| 44 | systemTimer_S timerObj; /* User¡¦s timer object */ |
| 45 | chanState ports[NUMBER_OF_CHAN]; /* User¡¦s channel object, which has |
| 46 | ** a member defined as |
| 47 | ** proslicChanType_ptr ProObj; |
| 48 | */ |
| 49 | /* Define ProSLIC control interface object */ |
| 50 | controlInterfaceType *ProHWIntf; |
| 51 | /* Define array of ProSLIC device objects */ |
| 52 | ProslicDeviceType *ProSLICDevices[NUMBER_OF_PROSLIC]; |
| 53 | /* Define array of ProSLIC channel object pointers */ |
| 54 | proslicChanType_ptr arrayOfProslicChans[NUMBER_OF_CHAN]; |
| 55 | |
| 56 | static int ProSLIC_HWInit(void) |
| 57 | { |
| 58 | int32 i, result= 0; |
| 59 | |
| 60 | printk ("%s()\n",__FUNCTION__); |
| 61 | /* |
| 62 | ** Step 1: (required) |
| 63 | ** Create ProSLIC Control Interface Object |
| 64 | */ |
| 65 | ProSLIC_createControlInterface(&ProHWIntf); |
| 66 | |
| 67 | /* |
| 68 | ** Step 2: (required) |
| 69 | ** Create ProSLIC Device Objects |
| 70 | */ |
| 71 | for(i=0;i<NUMBER_OF_PROSLIC;i++) |
| 72 | { |
| 73 | ProSLIC_createDevice(&(ProSLICDevices[i])); |
| 74 | } |
| 75 | |
| 76 | /* |
| 77 | ** Step 3: (required) |
| 78 | ** Create and initialize ProSLIC channel objects |
| 79 | ** Also initialize array pointers to user¡¦s proslic channel object |
| 80 | ** members to simplify initialization process. |
| 81 | */ |
| 82 | for(i=0;i<NUMBER_OF_CHAN;i++) |
| 83 | { |
| 84 | ProSLIC_createChannel(&(ports[i].ProObj)); |
| 85 | ProSLIC_SWInitChan(ports[i].ProObj,i,PROSLIC_DEVICE_TYPE, |
| 86 | ProSLICDevices[i/CHAN_PER_DEVICE],ProHWIntf); |
| 87 | arrayOfProslicChans[i] = ports[i].ProObj; |
| 88 | ProSLIC_setSWDebugMode(ports[i].ProObj,TRUE); /* optional */ |
| 89 | } |
| 90 | |
| 91 | /* |
| 92 | ** Step 4: (required) |
| 93 | ** Establish linkage between host objects/functions and |
| 94 | ** ProSLIC API |
| 95 | */ |
| 96 | ProSLIC_setControlInterfaceCtrlObj (ProHWIntf, &spiGciObj); |
| 97 | ProSLIC_setControlInterfaceReset (ProHWIntf, ctrl_ResetWrapper); |
| 98 | ProSLIC_setControlInterfaceWriteRegister (ProHWIntf, ctrl_WriteRegisterWrapper); |
| 99 | ProSLIC_setControlInterfaceReadRegister (ProHWIntf, ctrl_ReadRegisterWrapper); |
| 100 | ProSLIC_setControlInterfaceWriteRAM (ProHWIntf, ctrl_WriteRAMWrapper); |
| 101 | ProSLIC_setControlInterfaceReadRAM (ProHWIntf, ctrl_ReadRAMWrapper); |
| 102 | ProSLIC_setControlInterfaceTimerObj (ProHWIntf, &timerObj); |
| 103 | ProSLIC_setControlInterfaceDelay (ProHWIntf, time_DelayWrapper); |
| 104 | ProSLIC_setControlInterfaceTimeElapsed (ProHWIntf, time_TimeElapsedWrapper); |
| 105 | ProSLIC_setControlInterfaceGetTime (ProHWIntf, time_GetTimeWrapper); |
| 106 | ProSLIC_setControlInterfaceSemaphore (ProHWIntf, NULL); |
| 107 | |
| 108 | /* |
| 109 | ** Step 5: (system dependent) |
| 110 | ** Assert hardware Reset ¡V ensure VDD, PCLK, and FSYNC are present and stable |
| 111 | ** before releasing reset |
| 112 | */ |
| 113 | ProSLIC_Reset(ports[0].ProObj); |
| 114 | |
| 115 | /* |
| 116 | ** Step 6: (required) |
| 117 | ** Initialize device (loading of general parameters, calibrations, |
| 118 | ** dc-dc powerup, etc.) |
| 119 | */ |
| 120 | ProSLIC_Init(arrayOfProslicChans,NUMBER_OF_CHAN); |
| 121 | for(i=0;i<NUMBER_OF_CHAN;i++) |
| 122 | { |
| 123 | if(arrayOfProslicChans[i]->error!=0) |
| 124 | { |
| 125 | printk("ProSLIC_Init[%d] ERR=%d\n",i,arrayOfProslicChans[i]->error); |
| 126 | return 0; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | |
| 131 | /* |
| 132 | ** Step 7: (design dependent) |
| 133 | ** Execute longitudinal balance calibration |
| 134 | ** or reload coefficients from factory LB cal |
| 135 | ** |
| 136 | ** Note: all batteries should be up and stable prior to |
| 137 | ** executing the lb cal |
| 138 | */ |
| 139 | ProSLIC_LBCal(arrayOfProslicChans,NUMBER_OF_CHAN); |
| 140 | for(i=0;i<NUMBER_OF_CHAN;i++) |
| 141 | { |
| 142 | ProSLIC_GetLBCalResultPacked(arrayOfProslicChans[i], &result); |
| 143 | printk("LBCal=0x%08X\n",result); |
| 144 | } |
| 145 | |
| 146 | /* |
| 147 | ** Step 8: (design dependent) |
| 148 | ** Load custom configuration presets(generated using |
| 149 | ** ProSLIC API Config Tool) |
| 150 | */ |
| 151 | for(i=0;i<NUMBER_OF_CHAN;i++) |
| 152 | { |
| 153 | ProSLIC_PCMTimeSlotSetup(ports[i].ProObj,0,0); |
| 154 | ProSLIC_DCFeedSetup(ports[i].ProObj,DCFEED_48V_20MA); |
| 155 | ProSLIC_RingSetup(ports[i].ProObj,RING_F20_45VRMS_0VDC_LPR); |
| 156 | ProSLIC_PCMSetup(ports[i].ProObj,PCM_16LIN_WB); /* PCM_DEFAULT_CONFIG */ |
| 157 | ProSLIC_ZsynthSetup(ports[i].ProObj,ZSYN_600_0_0_30_0); |
| 158 | ProSLIC_ToneGenSetup(ports[i].ProObj,TONEGEN_FCC_DIAL); |
| 159 | } |
| 160 | |
| 161 | for(i=0;i<NUMBER_OF_CHAN;i++) |
| 162 | { |
| 163 | ProSLIC_PCMStart(ports[i].ProObj); |
| 164 | } |
| 165 | for(i=0;i<NUMBER_OF_CHAN;i++) |
| 166 | { |
| 167 | ProSLIC_SetLinefeedStatus(ports[i].ProObj,LF_FWD_ACTIVE); |
| 168 | } |
| 169 | |
| 170 | /* |
| 171 | ** Step 9: (required) |
| 172 | ** SLIC settings - set TX_START and RX_START to 1 and |
| 173 | ** disable Free-Run mode. |
| 174 | */ |
| 175 | ProSLIC_WriteReg(ports[0].ProObj, 12, 1); |
| 176 | ProSLIC_WriteReg(ports[0].ProObj, 14, 1); |
| 177 | ProSLIC_WriteReg(ports[0].ProObj, 47, 1); |
| 178 | |
| 179 | return 1; |
| 180 | } |
| 181 | |
| 182 | static int si3218x_component_probe(struct snd_soc_component *component) |
| 183 | { |
| 184 | dev_info(component->dev, "%s\n", __func__); |
| 185 | return 0; |
| 186 | } |
| 187 | |
| 188 | static void si3218x_component_remove(struct snd_soc_component *component) |
| 189 | { |
| 190 | struct si3218x_chip *chip = snd_soc_component_get_drvdata(component); |
| 191 | |
| 192 | dev_info(component->dev, "%s\n", __func__); |
| 193 | |
| 194 | chip->component = NULL; |
| 195 | } |
| 196 | |
| 197 | static const struct snd_soc_dapm_widget si3218x_component_dapm_widgets[] = { |
| 198 | SND_SOC_DAPM_INPUT("VINP"), |
| 199 | SND_SOC_DAPM_OUTPUT("VOUTP"), |
| 200 | }; |
| 201 | |
| 202 | static const struct snd_soc_dapm_route si3218x_component_dapm_routes[] = { |
| 203 | { "VOUTP", NULL, "aif_playback"}, |
| 204 | { "aif_capture", NULL, "VINP"}, |
| 205 | }; |
| 206 | |
| 207 | static const char * const slic_control_str[] = { |
| 208 | "off", "on" |
| 209 | }; |
| 210 | |
| 211 | static const struct soc_enum si3218x_slic_enum[] = { |
| 212 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(slic_control_str), |
| 213 | slic_control_str), |
| 214 | }; |
| 215 | |
| 216 | static int si3218x_init_get(struct snd_kcontrol *kcontrol, |
| 217 | struct snd_ctl_elem_value *ucontrol) |
| 218 | { |
| 219 | ucontrol->value.integer.value[0] = slic_init; |
| 220 | |
| 221 | return 0; |
| 222 | } |
| 223 | |
| 224 | static int si3218x_init_set(struct snd_kcontrol *kcontrol, |
| 225 | struct snd_ctl_elem_value *ucontrol) |
| 226 | { |
| 227 | if (ucontrol->value.integer.value[0]) { |
| 228 | ProSLIC_HWInit(); |
| 229 | slic_init = 1; |
| 230 | } |
| 231 | |
| 232 | return 0; |
| 233 | } |
| 234 | |
| 235 | static int si3218x_ring_get(struct snd_kcontrol *kcontrol, |
| 236 | struct snd_ctl_elem_value *ucontrol) |
| 237 | { |
| 238 | if (!slic_init) |
| 239 | return 0; |
| 240 | |
| 241 | ucontrol->value.integer.value[0] = |
| 242 | (ProSLIC_ReadReg(ports[0].ProObj,30) == 4) ? 1 : 0; |
| 243 | return 0; |
| 244 | } |
| 245 | |
| 246 | static int si3218x_ring_set(struct snd_kcontrol *kcontrol, |
| 247 | struct snd_ctl_elem_value *ucontrol) |
| 248 | { |
| 249 | if (!slic_init) |
| 250 | return 0; |
| 251 | |
| 252 | if (ucontrol->value.integer.value[0]) |
| 253 | ProSLIC_WriteReg(ports[0].ProObj, 30, 4); |
| 254 | else |
| 255 | ProSLIC_WriteReg(ports[0].ProObj, 30, 1); |
| 256 | |
| 257 | return 0; |
| 258 | } |
| 259 | |
| 260 | static const struct snd_kcontrol_new si3218x_component_snd_controls[] = { |
| 261 | SOC_ENUM_EXT("proslic_init", si3218x_slic_enum[0], |
| 262 | si3218x_init_get, si3218x_init_set), |
| 263 | SOC_ENUM_EXT("proslic_ring", si3218x_slic_enum[0], |
| 264 | si3218x_ring_get, si3218x_ring_set), |
| 265 | }; |
| 266 | |
| 267 | static const struct snd_soc_component_driver si3218x_component_driver = { |
| 268 | .probe = si3218x_component_probe, |
| 269 | .remove = si3218x_component_remove, |
| 270 | |
| 271 | .controls = si3218x_component_snd_controls, |
| 272 | .num_controls = ARRAY_SIZE(si3218x_component_snd_controls), |
| 273 | .dapm_widgets = si3218x_component_dapm_widgets, |
| 274 | .num_dapm_widgets = ARRAY_SIZE(si3218x_component_dapm_widgets), |
| 275 | .dapm_routes = si3218x_component_dapm_routes, |
| 276 | .num_dapm_routes = ARRAY_SIZE(si3218x_component_dapm_routes), |
| 277 | |
| 278 | .idle_bias_on = false, |
| 279 | }; |
| 280 | |
| 281 | static int si3218x_component_aif_hw_params(struct snd_pcm_substream *substream, |
| 282 | struct snd_pcm_hw_params *hw_params, struct snd_soc_dai *dai) |
| 283 | { |
| 284 | int word_len = params_physical_width(hw_params); |
| 285 | int aud_bit = params_width(hw_params); |
| 286 | |
| 287 | dev_dbg(dai->dev, "format: 0x%08x\n", params_format(hw_params)); |
| 288 | dev_dbg(dai->dev, "rate: 0x%08x\n", params_rate(hw_params)); |
| 289 | dev_dbg(dai->dev, "word_len: %d, aud_bit: %d\n", word_len, aud_bit); |
| 290 | if (word_len > 32 || word_len < 16) { |
| 291 | dev_err(dai->dev, "not supported word length\n"); |
| 292 | return -ENOTSUPP; |
| 293 | } |
| 294 | |
| 295 | dev_dbg(dai->dev, "%s: --\n", __func__); |
| 296 | return 0; |
| 297 | } |
| 298 | |
| 299 | static const struct snd_soc_dai_ops si3218x_component_aif_ops = { |
| 300 | .hw_params = si3218x_component_aif_hw_params, |
| 301 | }; |
| 302 | |
| 303 | #define STUB_RATES SNDRV_PCM_RATE_8000_192000 |
| 304 | #define STUB_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ |
| 305 | SNDRV_PCM_FMTBIT_U16_LE | \ |
| 306 | SNDRV_PCM_FMTBIT_S24_LE | \ |
| 307 | SNDRV_PCM_FMTBIT_U24_LE | \ |
| 308 | SNDRV_PCM_FMTBIT_S32_LE | \ |
| 309 | SNDRV_PCM_FMTBIT_U32_LE) |
| 310 | |
| 311 | static struct snd_soc_dai_driver si3218x_codec_dai = { |
| 312 | .name = "proslic_spi-aif", |
| 313 | .playback = { |
| 314 | .stream_name = "aif_playback", |
| 315 | .channels_min = 1, |
| 316 | .channels_max = 2, |
| 317 | .rates = STUB_RATES, |
| 318 | .formats = STUB_FORMATS, |
| 319 | }, |
| 320 | .capture = { |
| 321 | .stream_name = "aif_capture", |
| 322 | .channels_min = 1, |
| 323 | .channels_max = 2, |
| 324 | .rates = STUB_RATES, |
| 325 | .formats = STUB_FORMATS, |
| 326 | }, |
| 327 | /* dai properties */ |
| 328 | .symmetric_rates = 1, |
| 329 | .symmetric_channels = 1, |
| 330 | .symmetric_samplebits = 1, |
| 331 | /* dai operations */ |
| 332 | .ops = &si3218x_component_aif_ops, |
| 333 | }; |
| 334 | |
| 335 | int si3218x_spi_probe(struct spi_device *spi, struct spi_driver *spi_drv) |
| 336 | { |
| 337 | int ret; |
| 338 | |
| 339 | printk(KERN_INFO "PROSLIC si3218x_spi_probe\n"); |
| 340 | |
| 341 | ret = proslic_spi_probe(spi,spi_drv); |
| 342 | |
| 343 | return snd_soc_register_component(&spi->dev, &si3218x_component_driver, |
| 344 | &si3218x_codec_dai, 1); |
| 345 | } |
| 346 | EXPORT_SYMBOL(si3218x_spi_probe); |
| 347 | |
| 348 | int si3218x_spi_remove(struct spi_device *spi) |
| 349 | { |
| 350 | proslic_spi_remove(spi); |
| 351 | snd_soc_unregister_component(&spi->dev); |
| 352 | |
| 353 | return 0; |
| 354 | } |
| 355 | EXPORT_SYMBOL(si3218x_spi_remove); |