Lines Matching refs:wm8350
3 * wm8350-core.c -- Device access for Wolfson WM8350
21 #include <linux/mfd/wm8350/core.h>
22 #include <linux/mfd/wm8350/audio.h>
23 #include <linux/mfd/wm8350/comparator.h>
24 #include <linux/mfd/wm8350/gpio.h>
25 #include <linux/mfd/wm8350/pmic.h>
26 #include <linux/mfd/wm8350/rtc.h>
27 #include <linux/mfd/wm8350/supply.h>
28 #include <linux/mfd/wm8350/wdt.h>
63 int wm8350_clear_bits(struct wm8350 *wm8350, u16 reg, u16 mask)
65 return regmap_update_bits(wm8350->regmap, reg, mask, 0);
69 int wm8350_set_bits(struct wm8350 *wm8350, u16 reg, u16 mask)
71 return regmap_update_bits(wm8350->regmap, reg, mask, mask);
75 u16 wm8350_reg_read(struct wm8350 *wm8350, int reg)
80 err = regmap_read(wm8350->regmap, reg, &data);
82 dev_err(wm8350->dev, "read from reg R%d failed\n", reg);
88 int wm8350_reg_write(struct wm8350 *wm8350, int reg, u16 val)
92 ret = regmap_write(wm8350->regmap, reg, val);
95 dev_err(wm8350->dev, "write to reg R%d failed\n", reg);
100 int wm8350_block_read(struct wm8350 *wm8350, int start_reg, int regs,
105 err = regmap_bulk_read(wm8350->regmap, start_reg, dest, regs);
107 dev_err(wm8350->dev, "block read starting from R%d failed\n",
114 int wm8350_block_write(struct wm8350 *wm8350, int start_reg, int regs,
119 ret = regmap_bulk_write(wm8350->regmap, start_reg, src, regs);
121 dev_err(wm8350->dev, "block write starting at R%d failed\n",
135 * @wm8350: pointer to local driver data structure
137 int wm8350_reg_lock(struct wm8350 *wm8350)
145 ret = wm8350_reg_write(wm8350, WM8350_SECURITY, WM8350_LOCK_KEY);
147 dev_err(wm8350->dev, "lock failed\n");
149 wm8350->unlocked = false;
166 * @wm8350: pointer to local driver data structure
168 int wm8350_reg_unlock(struct wm8350 *wm8350)
176 ret = wm8350_reg_write(wm8350, WM8350_SECURITY, WM8350_UNLOCK_KEY);
178 dev_err(wm8350->dev, "unlock failed\n");
180 wm8350->unlocked = true;
188 int wm8350_read_auxadc(struct wm8350 *wm8350, int channel, int scale, int vref)
198 mutex_lock(&wm8350->auxadc_mutex);
201 reg = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_5);
202 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_5, reg | WM8350_AUXADC_ENA);
207 wm8350_reg_write(wm8350, WM8350_AUX1_READBACK + channel, reg);
210 reg = wm8350_reg_read(wm8350, WM8350_DIGITISER_CONTROL_1);
212 wm8350_reg_write(wm8350, WM8350_DIGITISER_CONTROL_1, reg);
216 try_wait_for_completion(&wm8350->auxadc_done);
221 wait_for_completion_timeout(&wm8350->auxadc_done, msecs_to_jiffies(5));
223 reg = wm8350_reg_read(wm8350, WM8350_DIGITISER_CONTROL_1);
225 dev_err(wm8350->dev, "adc chn %d read timeout\n", channel);
227 result = wm8350_reg_read(wm8350,
231 reg = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_5);
232 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_5,
235 mutex_unlock(&wm8350->auxadc_mutex);
243 struct wm8350 *wm8350 = irq_data;
245 complete(&wm8350->auxadc_done);
254 static void wm8350_client_dev_register(struct wm8350 *wm8350,
262 dev_err(wm8350->dev, "Failed to allocate %s\n", name);
266 (*pdev)->dev.parent = wm8350->dev;
267 platform_set_drvdata(*pdev, wm8350);
270 dev_err(wm8350->dev, "Failed to register %s: %d\n", name, ret);
276 int wm8350_device_init(struct wm8350 *wm8350, int irq,
283 dev_set_drvdata(wm8350->dev, wm8350);
286 ret = regmap_read(wm8350->regmap, WM8350_RESET_ID, &id1);
288 dev_err(wm8350->dev, "Failed to read ID: %d\n", ret);
292 ret = regmap_read(wm8350->regmap, WM8350_ID, &id2);
294 dev_err(wm8350->dev, "Failed to read ID: %d\n", ret);
298 ret = regmap_read(wm8350->regmap, WM8350_REVISION, &mask_rev);
300 dev_err(wm8350->dev, "Failed to read revision: %d\n", ret);
305 dev_err(wm8350->dev,
314 dev_info(wm8350->dev,
319 dev_err(wm8350->dev, "Unsupported CUST_ID\n");
326 wm8350->pmic.max_dcdc = WM8350_DCDC_6;
327 wm8350->pmic.max_isink = WM8350_ISINK_B;
331 dev_info(wm8350->dev, "WM8350 Rev E\n");
334 dev_info(wm8350->dev, "WM8350 Rev F\n");
337 dev_info(wm8350->dev, "WM8350 Rev G\n");
338 wm8350->power.rev_g_coeff = 1;
341 dev_info(wm8350->dev, "WM8350 Rev H\n");
342 wm8350->power.rev_g_coeff = 1;
346 dev_err(wm8350->dev, "Unknown WM8350 CHIP_REV\n");
353 wm8350->pmic.max_dcdc = WM8350_DCDC_4;
354 wm8350->pmic.max_isink = WM8350_ISINK_A;
358 dev_info(wm8350->dev, "WM8351 Rev A\n");
359 wm8350->power.rev_g_coeff = 1;
363 dev_info(wm8350->dev, "WM8351 Rev B\n");
364 wm8350->power.rev_g_coeff = 1;
368 dev_err(wm8350->dev, "Unknown WM8351 CHIP_REV\n");
375 wm8350->pmic.max_dcdc = WM8350_DCDC_6;
376 wm8350->pmic.max_isink = WM8350_ISINK_B;
380 dev_info(wm8350->dev, "WM8352 Rev A\n");
381 wm8350->power.rev_g_coeff = 1;
385 dev_err(wm8350->dev, "Unknown WM8352 CHIP_REV\n");
392 dev_err(wm8350->dev, "Unknown MASK_REV\n");
397 mutex_init(&wm8350->auxadc_mutex);
398 init_completion(&wm8350->auxadc_done);
400 ret = wm8350_irq_init(wm8350, irq, pdata);
404 if (wm8350->irq_base) {
405 ret = request_threaded_irq(wm8350->irq_base +
409 "auxadc", wm8350);
411 dev_warn(wm8350->dev,
416 ret = pdata->init(wm8350);
418 dev_err(wm8350->dev, "Platform init() failed: %d\n",
424 wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0x0);
426 wm8350_client_dev_register(wm8350, "wm8350-codec",
427 &(wm8350->codec.pdev));
428 wm8350_client_dev_register(wm8350, "wm8350-gpio",
429 &(wm8350->gpio.pdev));
430 wm8350_client_dev_register(wm8350, "wm8350-hwmon",
431 &(wm8350->hwmon.pdev));
432 wm8350_client_dev_register(wm8350, "wm8350-power",
433 &(wm8350->power.pdev));
434 wm8350_client_dev_register(wm8350, "wm8350-rtc", &(wm8350->rtc.pdev));
435 wm8350_client_dev_register(wm8350, "wm8350-wdt", &(wm8350->wdt.pdev));
440 wm8350_irq_exit(wm8350);