*/
static DEFINE_MUTEX(io_mutex);
static DEFINE_MUTEX(reg_lock_mutex);
-static DEFINE_MUTEX(auxadc_mutex);
/* Perform a physical read from the device.
*/
}
EXPORT_SYMBOL_GPL(wm8350_unmask_irq);
+int wm8350_read_auxadc(struct wm8350 *wm8350, int channel, int scale, int vref)
+{
+ u16 reg, result = 0;
+ int tries = 5;
+
+ if (channel < WM8350_AUXADC_AUX1 || channel > WM8350_AUXADC_TEMP)
+ return -EINVAL;
+ if (channel >= WM8350_AUXADC_USB && channel <= WM8350_AUXADC_TEMP
+ && (scale != 0 || vref != 0))
+ return -EINVAL;
+
+ mutex_lock(&wm8350->auxadc_mutex);
+
+ /* Turn on the ADC */
+ reg = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_5);
+ wm8350_reg_write(wm8350, WM8350_POWER_MGMT_5, reg | WM8350_AUXADC_ENA);
+
+ if (scale || vref) {
+ reg = scale << 13;
+ reg |= vref << 12;
+ wm8350_reg_write(wm8350, WM8350_AUX1_READBACK + channel, reg);
+ }
+
+ reg = wm8350_reg_read(wm8350, WM8350_DIGITISER_CONTROL_1);
+ reg |= 1 << channel | WM8350_AUXADC_POLL;
+ wm8350_reg_write(wm8350, WM8350_DIGITISER_CONTROL_1, reg);
+
+ do {
+ schedule_timeout_interruptible(1);
+ reg = wm8350_reg_read(wm8350, WM8350_DIGITISER_CONTROL_1);
+ } while (--tries && (reg & WM8350_AUXADC_POLL));
+
+ if (!tries)
+ dev_err(wm8350->dev, "adc chn %d read timeout\n", channel);
+ else
+ result = wm8350_reg_read(wm8350,
+ WM8350_AUX1_READBACK + channel);
+
+ /* Turn off the ADC */
+ reg = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_5);
+ wm8350_reg_write(wm8350, WM8350_POWER_MGMT_5,
+ reg & ~WM8350_AUXADC_ENA);
+
+ mutex_unlock(&wm8350->auxadc_mutex);
+
+ return result & WM8350_AUXADC_DATA1_MASK;
+}
+EXPORT_SYMBOL_GPL(wm8350_read_auxadc);
+
/*
* Cache is always host endian.
*/
-static int wm8350_create_cache(struct wm8350 *wm8350, int mode)
+static int wm8350_create_cache(struct wm8350 *wm8350, int type, int mode)
{
int i, ret = 0;
u16 value;
const u16 *reg_map;
- switch (mode) {
-#ifdef CONFIG_MFD_WM8350_CONFIG_MODE_0
+ switch (type) {
case 0:
- reg_map = wm8350_mode0_defaults;
- break;
+ switch (mode) {
+#ifdef CONFIG_MFD_WM8350_CONFIG_MODE_0
+ case 0:
+ reg_map = wm8350_mode0_defaults;
+ break;
#endif
#ifdef CONFIG_MFD_WM8350_CONFIG_MODE_1
- case 1:
- reg_map = wm8350_mode1_defaults;
- break;
+ case 1:
+ reg_map = wm8350_mode1_defaults;
+ break;
#endif
#ifdef CONFIG_MFD_WM8350_CONFIG_MODE_2
- case 2:
- reg_map = wm8350_mode2_defaults;
- break;
+ case 2:
+ reg_map = wm8350_mode2_defaults;
+ break;
#endif
#ifdef CONFIG_MFD_WM8350_CONFIG_MODE_3
- case 3:
- reg_map = wm8350_mode3_defaults;
+ case 3:
+ reg_map = wm8350_mode3_defaults;
+ break;
+#endif
+ default:
+ dev_err(wm8350->dev,
+ "WM8350 configuration mode %d not supported\n",
+ mode);
+ return -EINVAL;
+ }
break;
+
+ case 1:
+ switch (mode) {
+#ifdef CONFIG_MFD_WM8351_CONFIG_MODE_0
+ case 0:
+ reg_map = wm8351_mode0_defaults;
+ break;
+#endif
+#ifdef CONFIG_MFD_WM8351_CONFIG_MODE_1
+ case 1:
+ reg_map = wm8351_mode1_defaults;
+ break;
+#endif
+#ifdef CONFIG_MFD_WM8351_CONFIG_MODE_2
+ case 2:
+ reg_map = wm8351_mode2_defaults;
+ break;
+#endif
+#ifdef CONFIG_MFD_WM8351_CONFIG_MODE_3
+ case 3:
+ reg_map = wm8351_mode3_defaults;
+ break;
+#endif
+ default:
+ dev_err(wm8350->dev,
+ "WM8351 configuration mode %d not supported\n",
+ mode);
+ return -EINVAL;
+ }
+ break;
+
+ case 2:
+ switch (mode) {
+#ifdef CONFIG_MFD_WM8352_CONFIG_MODE_0
+ case 0:
+ reg_map = wm8352_mode0_defaults;
+ break;
+#endif
+#ifdef CONFIG_MFD_WM8352_CONFIG_MODE_1
+ case 1:
+ reg_map = wm8352_mode1_defaults;
+ break;
+#endif
+#ifdef CONFIG_MFD_WM8352_CONFIG_MODE_2
+ case 2:
+ reg_map = wm8352_mode2_defaults;
+ break;
+#endif
+#ifdef CONFIG_MFD_WM8352_CONFIG_MODE_3
+ case 3:
+ reg_map = wm8352_mode3_defaults;
+ break;
#endif
+ default:
+ dev_err(wm8350->dev,
+ "WM8352 configuration mode %d not supported\n",
+ mode);
+ return -EINVAL;
+ }
+ break;
+
default:
- dev_err(wm8350->dev, "Configuration mode %d not supported\n",
+ dev_err(wm8350->dev,
+ "WM835x configuration mode %d not supported\n",
mode);
return -EINVAL;
}
int wm8350_device_init(struct wm8350 *wm8350, int irq,
struct wm8350_platform_data *pdata)
{
- int ret = -EINVAL;
- u16 id1, id2, mask, mode;
+ int ret;
+ u16 id1, id2, mask_rev;
+ u16 cust_id, mode, chip_rev;
/* get WM8350 revision and config mode */
- wm8350->read_dev(wm8350, WM8350_RESET_ID, sizeof(id1), &id1);
- wm8350->read_dev(wm8350, WM8350_ID, sizeof(id2), &id2);
+ ret = wm8350->read_dev(wm8350, WM8350_RESET_ID, sizeof(id1), &id1);
+ if (ret != 0) {
+ dev_err(wm8350->dev, "Failed to read ID: %d\n", ret);
+ goto err;
+ }
+
+ ret = wm8350->read_dev(wm8350, WM8350_ID, sizeof(id2), &id2);
+ if (ret != 0) {
+ dev_err(wm8350->dev, "Failed to read ID: %d\n", ret);
+ goto err;
+ }
+
+ ret = wm8350->read_dev(wm8350, WM8350_REVISION, sizeof(mask_rev),
+ &mask_rev);
+ if (ret != 0) {
+ dev_err(wm8350->dev, "Failed to read revision: %d\n", ret);
+ goto err;
+ }
id1 = be16_to_cpu(id1);
id2 = be16_to_cpu(id2);
+ mask_rev = be16_to_cpu(mask_rev);
- if (id1 == 0x6143) {
- switch ((id2 & WM8350_CHIP_REV_MASK) >> 12) {
+ if (id1 != 0x6143) {
+ dev_err(wm8350->dev,
+ "Device with ID %x is not a WM8350\n", id1);
+ ret = -ENODEV;
+ goto err;
+ }
+
+ mode = id2 & WM8350_CONF_STS_MASK >> 10;
+ cust_id = id2 & WM8350_CUST_ID_MASK;
+ chip_rev = (id2 & WM8350_CHIP_REV_MASK) >> 12;
+ dev_info(wm8350->dev,
+ "CONF_STS %d, CUST_ID %d, MASK_REV %d, CHIP_REV %d\n",
+ mode, cust_id, mask_rev, chip_rev);
+
+ if (cust_id != 0) {
+ dev_err(wm8350->dev, "Unsupported CUST_ID\n");
+ ret = -ENODEV;
+ goto err;
+ }
+
+ switch (mask_rev) {
+ case 0:
+ wm8350->pmic.max_dcdc = WM8350_DCDC_6;
+ wm8350->pmic.max_isink = WM8350_ISINK_B;
+
+ switch (chip_rev) {
case WM8350_REV_E:
- dev_info(wm8350->dev, "Found Rev E device\n");
- wm8350->rev = WM8350_REV_E;
+ dev_info(wm8350->dev, "WM8350 Rev E\n");
break;
case WM8350_REV_F:
- dev_info(wm8350->dev, "Found Rev F device\n");
- wm8350->rev = WM8350_REV_F;
+ dev_info(wm8350->dev, "WM8350 Rev F\n");
break;
case WM8350_REV_G:
- dev_info(wm8350->dev, "Found Rev G device\n");
- wm8350->rev = WM8350_REV_G;
+ dev_info(wm8350->dev, "WM8350 Rev G\n");
+ wm8350->power.rev_g_coeff = 1;
+ break;
+ case WM8350_REV_H:
+ dev_info(wm8350->dev, "WM8350 Rev H\n");
+ wm8350->power.rev_g_coeff = 1;
break;
default:
/* For safety we refuse to run on unknown hardware */
- dev_info(wm8350->dev, "Found unknown rev\n");
+ dev_err(wm8350->dev, "Unknown WM8350 CHIP_REV\n");
ret = -ENODEV;
goto err;
}
- } else {
- dev_info(wm8350->dev, "Device with ID %x is not a WM8350\n",
- id1);
+ break;
+
+ case 1:
+ wm8350->pmic.max_dcdc = WM8350_DCDC_4;
+ wm8350->pmic.max_isink = WM8350_ISINK_A;
+
+ switch (chip_rev) {
+ case 0:
+ dev_info(wm8350->dev, "WM8351 Rev A\n");
+ wm8350->power.rev_g_coeff = 1;
+ break;
+
+ case 1:
+ dev_info(wm8350->dev, "WM8351 Rev B\n");
+ wm8350->power.rev_g_coeff = 1;
+ break;
+
+ default:
+ dev_err(wm8350->dev, "Unknown WM8351 CHIP_REV\n");
+ ret = -ENODEV;
+ goto err;
+ }
+ break;
+
+ case 2:
+ wm8350->pmic.max_dcdc = WM8350_DCDC_6;
+ wm8350->pmic.max_isink = WM8350_ISINK_B;
+
+ switch (chip_rev) {
+ case 0:
+ dev_info(wm8350->dev, "WM8352 Rev A\n");
+ wm8350->power.rev_g_coeff = 1;
+ break;
+
+ default:
+ dev_err(wm8350->dev, "Unknown WM8352 CHIP_REV\n");
+ ret = -ENODEV;
+ goto err;
+ }
+ break;
+
+ default:
+ dev_err(wm8350->dev, "Unknown MASK_REV\n");
ret = -ENODEV;
goto err;
}
- mode = id2 & WM8350_CONF_STS_MASK >> 10;
- mask = id2 & WM8350_CUST_ID_MASK;
- dev_info(wm8350->dev, "Config mode %d, ROM mask %d\n", mode, mask);
-
- ret = wm8350_create_cache(wm8350, mode);
+ ret = wm8350_create_cache(wm8350, mask_rev, mode);
if (ret < 0) {
- printk(KERN_ERR "wm8350: failed to create register cache\n");
+ dev_err(wm8350->dev, "Failed to create register cache\n");
return ret;
}
- if (pdata->init) {
- ret = pdata->init(wm8350);
- if (ret != 0) {
- dev_err(wm8350->dev, "Platform init() failed: %d\n",
- ret);
- goto err;
- }
- }
+ wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0xFFFF);
+ wm8350_reg_write(wm8350, WM8350_INT_STATUS_1_MASK, 0xFFFF);
+ wm8350_reg_write(wm8350, WM8350_INT_STATUS_2_MASK, 0xFFFF);
+ wm8350_reg_write(wm8350, WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, 0xFFFF);
+ wm8350_reg_write(wm8350, WM8350_GPIO_INT_STATUS_MASK, 0xFFFF);
+ wm8350_reg_write(wm8350, WM8350_COMPARATOR_INT_STATUS_MASK, 0xFFFF);
+ mutex_init(&wm8350->auxadc_mutex);
mutex_init(&wm8350->irq_mutex);
INIT_WORK(&wm8350->irq_work, wm8350_irq_worker);
if (irq) {
}
wm8350->chip_irq = irq;
+ if (pdata && pdata->init) {
+ ret = pdata->init(wm8350);
+ if (ret != 0) {
+ dev_err(wm8350->dev, "Platform init() failed: %d\n",
+ ret);
+ goto err;
+ }
+ }
+
wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0x0);
wm8350_client_dev_register(wm8350, "wm8350-codec",
{
int i;
+ for (i = 0; i < ARRAY_SIZE(wm8350->pmic.led); i++)
+ platform_device_unregister(wm8350->pmic.led[i].pdev);
+
for (i = 0; i < ARRAY_SIZE(wm8350->pmic.pdev); i++)
platform_device_unregister(wm8350->pmic.pdev[i]);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff