static int arizona_runtime_resume(struct device *dev) { struct arizona *arizona = dev_get_drvdata(dev); int ret; dev_dbg(arizona->dev, "Leaving AoD mode\n"); ret = regulator_enable(arizona->dcvdd); if (ret != 0) { dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret); return ret; } if (arizona->pdata.control_init_time) msleep(arizona->pdata.control_init_time); regcache_cache_only(arizona->regmap, false); switch (arizona->type) { case WM5102: ret = wm5102_patch(arizona); if (ret != 0) { dev_err(arizona->dev, "Failed to apply patch: %d\n", ret); goto err; } ret = arizona_apply_hardware_patch(arizona); if (ret != 0) { dev_err(arizona->dev, "Failed to apply hardware patch: %d\n", ret); goto err; } break; default: ret = arizona_wait_for_boot(arizona); if (ret != 0) { goto err; } break; } ret = regcache_sync(arizona->regmap); if (ret != 0) { dev_err(arizona->dev, "Failed to restore register cache\n"); goto err; } return 0; err: regcache_cache_only(arizona->regmap, true); regulator_disable(arizona->dcvdd); return ret; }
static int arizona_runtime_resume(struct device *dev) { struct arizona *arizona = dev_get_drvdata(dev); int ret; dev_dbg(arizona->dev, "Leaving AoD mode\n"); ret = regulator_enable(arizona->dcvdd); if (ret != 0) { dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret); return ret; } regcache_cache_only(arizona->regmap, false); switch (arizona->type) { case WM5102: if (arizona->external_dcvdd) { ret = regmap_update_bits(arizona->regmap, ARIZONA_ISOLATION_CONTROL, ARIZONA_ISOLATE_DCVDD1, 0); if (ret != 0) { dev_err(arizona->dev, "Failed to connect DCVDD: %d\n", ret); goto err; } } ret = wm5102_patch(arizona); if (ret != 0) { dev_err(arizona->dev, "Failed to apply patch: %d\n", ret); goto err; } ret = arizona_apply_hardware_patch(arizona); if (ret != 0) { dev_err(arizona->dev, "Failed to apply hardware patch: %d\n", ret); goto err; } break; default: ret = arizona_wait_for_boot(arizona); if (ret != 0) { goto err; } if (arizona->external_dcvdd) { ret = regmap_update_bits(arizona->regmap, ARIZONA_ISOLATION_CONTROL, ARIZONA_ISOLATE_DCVDD1, 0); if (ret != 0) { dev_err(arizona->dev, "Failed to connect DCVDD: %d\n", ret); goto err; } } break; } switch (arizona->type) { case WM5102: ret = wm5102_patch(arizona); if (ret != 0) { dev_err(arizona->dev, "Failed to apply patch: %d\n", ret); goto err; } default: break; } ret = regcache_sync(arizona->regmap); if (ret != 0) { dev_err(arizona->dev, "Failed to restore register cache\n"); goto err; } return 0; err: regcache_cache_only(arizona->regmap, true); regulator_disable(arizona->dcvdd); return ret; }
void arizona_dev_init() { set_IntrMask(); wm5102_patch(); arizona_wait_for_boot(); }
int __devinit arizona_dev_init(struct arizona *arizona) { struct device *dev = arizona->dev; const char *type_name; unsigned int reg, val; int ret, i; dev_set_drvdata(arizona->dev, arizona); mutex_init(&arizona->clk_lock); if (dev_get_platdata(arizona->dev)) memcpy(&arizona->pdata, dev_get_platdata(arizona->dev), sizeof(arizona->pdata)); regcache_cache_only(arizona->regmap, true); switch (arizona->type) { case WM5102: case WM5110: for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++) arizona->core_supplies[i].supply = wm5102_core_supplies[i]; arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies); break; default: dev_err(arizona->dev, "Unknown device type %d\n", arizona->type); return -EINVAL; } ret = mfd_add_devices(arizona->dev, -1, early_devs, ARRAY_SIZE(early_devs), NULL, 0); if (ret != 0) { dev_err(dev, "Failed to add early children: %d\n", ret); return ret; } ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies, arizona->core_supplies); if (ret != 0) { dev_err(dev, "Failed to request core supplies: %d\n", ret); goto err_early; } arizona->dcvdd = devm_regulator_get(arizona->dev, "DCVDD"); if (IS_ERR(arizona->dcvdd)) { ret = PTR_ERR(arizona->dcvdd); dev_err(dev, "Failed to request DCVDD: %d\n", ret); goto err_early; } ret = regulator_bulk_enable(arizona->num_core_supplies, arizona->core_supplies); if (ret != 0) { dev_err(dev, "Failed to enable core supplies: %d\n", ret); goto err_early; } ret = regulator_enable(arizona->dcvdd); if (ret != 0) { dev_err(dev, "Failed to enable DCVDD: %d\n", ret); goto err_enable; } if (arizona->pdata.reset) { /* Start out with /RESET low to put the chip into reset */ ret = gpio_request_one(arizona->pdata.reset, GPIOF_DIR_OUT | GPIOF_INIT_LOW, "arizona /RESET"); if (ret != 0) { dev_err(dev, "Failed to request /RESET: %d\n", ret); goto err_dcvdd; } gpio_set_value_cansleep(arizona->pdata.reset, 1); } regcache_cache_only(arizona->regmap, false); ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®); if (ret != 0) { dev_err(dev, "Failed to read ID register: %d\n", ret); goto err_reset; } ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION, &arizona->rev); if (ret != 0) { dev_err(dev, "Failed to read revision register: %d\n", ret); goto err_reset; } arizona->rev &= ARIZONA_DEVICE_REVISION_MASK; switch (reg) { #ifdef CONFIG_MFD_WM5102 case 0x5102: type_name = "WM5102"; if (arizona->type != WM5102) { dev_err(arizona->dev, "WM5102 registered as %d\n", arizona->type); arizona->type = WM5102; } ret = wm5102_patch(arizona); break; #endif #ifdef CONFIG_MFD_WM5110 case 0x5110: type_name = "WM5110"; if (arizona->type != WM5110) { dev_err(arizona->dev, "WM5110 registered as %d\n", arizona->type); arizona->type = WM5110; } ret = wm5110_patch(arizona); break; #endif default: dev_err(arizona->dev, "Unknown device ID %x\n", reg); goto err_reset; } dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A'); if (ret != 0) dev_err(arizona->dev, "Failed to apply patch: %d\n", ret); /* If we have a /RESET GPIO we'll already be reset */ if (!arizona->pdata.reset) { ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0); if (ret != 0) { dev_err(dev, "Failed to reset device: %d\n", ret); goto err_reset; } } ret = arizona_wait_for_boot(arizona); if (ret != 0) { dev_err(arizona->dev, "Device failed initial boot: %d\n", ret); goto err_reset; } for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) { if (!arizona->pdata.gpio_defaults[i]) continue; regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i, arizona->pdata.gpio_defaults[i]); } pm_runtime_set_autosuspend_delay(arizona->dev, 100); pm_runtime_use_autosuspend(arizona->dev); pm_runtime_enable(arizona->dev); /* Chip default */ if (!arizona->pdata.clk32k_src) arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2; switch (arizona->pdata.clk32k_src) { case ARIZONA_32KZ_MCLK1: case ARIZONA_32KZ_MCLK2: regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, ARIZONA_CLK_32K_SRC_MASK, arizona->pdata.clk32k_src - 1); break; case ARIZONA_32KZ_NONE: regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, ARIZONA_CLK_32K_SRC_MASK, 2); break; default: dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n", arizona->pdata.clk32k_src); ret = -EINVAL; goto err_reset; } for (i = 0; i < ARIZONA_MAX_INPUT; i++) { /* Default for both is 0 so noop with defaults */ val = arizona->pdata.dmic_ref[i] << ARIZONA_IN1_DMIC_SUP_SHIFT; val |= arizona->pdata.inmode[i] << ARIZONA_IN1_MODE_SHIFT; regmap_update_bits(arizona->regmap, ARIZONA_IN1L_CONTROL + (i * 8), ARIZONA_IN1_DMIC_SUP_MASK | ARIZONA_IN1_MODE_MASK, val); } for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) { /* Default is 0 so noop with defaults */ if (arizona->pdata.out_mono[i]) val = ARIZONA_OUT1_MONO; else val = 0; regmap_update_bits(arizona->regmap, ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8), ARIZONA_OUT1_MONO, val); } for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) { if (arizona->pdata.spk_mute[i]) regmap_update_bits(arizona->regmap, ARIZONA_PDM_SPK1_CTRL_1 + (i * 2), ARIZONA_SPK1_MUTE_ENDIAN_MASK | ARIZONA_SPK1_MUTE_SEQ1_MASK, arizona->pdata.spk_mute[i]); if (arizona->pdata.spk_fmt[i]) regmap_update_bits(arizona->regmap, ARIZONA_PDM_SPK1_CTRL_2 + (i * 2), ARIZONA_SPK1_FMT_MASK, arizona->pdata.spk_fmt[i]); } /* Set up for interrupts */ ret = arizona_irq_init(arizona); if (ret != 0) goto err_reset; arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error", arizona_clkgen_err, arizona); arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked", arizona_overclocked, arizona); arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked", arizona_underclocked, arizona); switch (arizona->type) { case WM5102: ret = mfd_add_devices(arizona->dev, -1, wm5102_devs, ARRAY_SIZE(wm5102_devs), NULL, 0); break; case WM5110: ret = mfd_add_devices(arizona->dev, -1, wm5110_devs, ARRAY_SIZE(wm5102_devs), NULL, 0); break; } if (ret != 0) { dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret); goto err_irq; } #ifdef CONFIG_PM_RUNTIME regulator_disable(arizona->dcvdd); #endif return 0; err_irq: arizona_irq_exit(arizona); err_reset: if (arizona->pdata.reset) { gpio_set_value_cansleep(arizona->pdata.reset, 1); gpio_free(arizona->pdata.reset); } err_dcvdd: regulator_disable(arizona->dcvdd); err_enable: regulator_bulk_disable(arizona->num_core_supplies, arizona->core_supplies); err_early: mfd_remove_devices(dev); return ret; }