---

yaml
---
r: 133178
b: refs/heads/master
c: 30459d7
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a69bb3c3fe0881d986ec78e253cb8a6bb9c28230
+refs/heads/master: 30459d7b1843cbdea56ca120c8cac10dc5613e90

trunk/sound/pci/oxygen/hifier.c

@@ -45,6 +45,7 @@ MODULE_PARM_DESC(enable, "enable card");
 static struct pci_device_id hifier_ids[] __devinitdata = {
 	{ OXYGEN_PCI_SUBID(0x14c3, 0x1710) },
 	{ OXYGEN_PCI_SUBID(0x14c3, 0x1711) },
+	{ OXYGEN_PCI_SUBID_BROKEN_EEPROM },
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, hifier_ids);
@@ -172,6 +173,13 @@ static const struct oxygen_model model_hifier = {
 	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 };
 
+static int __devinit get_hifier_model(struct oxygen *chip,
+				      const struct pci_device_id *id)
+{
+	chip->model = model_hifier;
+	return 0;
+}
+
 static int __devinit hifier_probe(struct pci_dev *pci,
 				  const struct pci_device_id *pci_id)
 {
@@ -184,7 +192,8 @@ static int __devinit hifier_probe(struct pci_dev *pci,
 		++dev;
 		return -ENOENT;
 	}
-	err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE, &model_hifier, 0);
+	err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE,
+			       hifier_ids, get_hifier_model);
 	if (err >= 0)
 		++dev;
 	return err;

trunk/sound/pci/oxygen/oxygen.c

@@ -293,29 +293,10 @@ static void set_ak5385_params(struct oxygen *chip,
 
 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
 
-static int generic_probe(struct oxygen *chip, unsigned long driver_data)
-{
-	if (driver_data == MODEL_MERIDIAN) {
-		chip->model.init = meridian_init;
-		chip->model.resume = meridian_resume;
-		chip->model.set_adc_params = set_ak5385_params;
-		chip->model.device_config = PLAYBACK_0_TO_I2S |
-					    PLAYBACK_1_TO_SPDIF |
-					    CAPTURE_0_FROM_I2S_2 |
-					    CAPTURE_1_FROM_SPDIF;
-	}
-	if (driver_data == MODEL_MERIDIAN || driver_data == MODEL_HALO) {
-		chip->model.misc_flags = OXYGEN_MISC_MIDI;
-		chip->model.device_config |= MIDI_OUTPUT | MIDI_INPUT;
-	}
-	return 0;
-}
-
 static const struct oxygen_model model_generic = {
 	.shortname = "C-Media CMI8788",
 	.longname = "C-Media Oxygen HD Audio",
 	.chip = "CMI8788",
-	.probe = generic_probe,
 	.init = generic_init,
 	.cleanup = generic_cleanup,
 	.resume = generic_resume,
@@ -340,6 +321,29 @@ static const struct oxygen_model model_generic = {
 	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 };
 
+static int __devinit get_oxygen_model(struct oxygen *chip,
+				      const struct pci_device_id *id)
+{
+	chip->model = model_generic;
+	switch (id->driver_data) {
+	case MODEL_MERIDIAN:
+		chip->model.init = meridian_init;
+		chip->model.resume = meridian_resume;
+		chip->model.set_adc_params = set_ak5385_params;
+		chip->model.device_config = PLAYBACK_0_TO_I2S |
+					    PLAYBACK_1_TO_SPDIF |
+					    CAPTURE_0_FROM_I2S_2 |
+					    CAPTURE_1_FROM_SPDIF;
+		break;
+	}
+	if (id->driver_data == MODEL_MERIDIAN ||
+	    id->driver_data == MODEL_HALO) {
+		chip->model.misc_flags = OXYGEN_MISC_MIDI;
+		chip->model.device_config |= MIDI_OUTPUT | MIDI_INPUT;
+	}
+	return 0;
+}
+
 static int __devinit generic_oxygen_probe(struct pci_dev *pci,
 					  const struct pci_device_id *pci_id)
 {
@@ -353,7 +357,7 @@ static int __devinit generic_oxygen_probe(struct pci_dev *pci,
 		return -ENOENT;
 	}
 	err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE,
-			       &model_generic, pci_id->driver_data);
+			       oxygen_ids, get_oxygen_model);
 	if (err >= 0)
 		++dev;
 	return err;

trunk/sound/pci/oxygen/oxygen.h

@@ -49,7 +49,13 @@ enum {
 	.subvendor = sv, \
 	.subdevice = sd
 
+#define BROKEN_EEPROM_DRIVER_DATA ((unsigned long)-1)
+#define OXYGEN_PCI_SUBID_BROKEN_EEPROM \
+	OXYGEN_PCI_SUBID(PCI_VENDOR_ID_CMEDIA, 0x8788), \
+	.driver_data = BROKEN_EEPROM_DRIVER_DATA
+
 struct pci_dev;
+struct pci_device_id;
 struct snd_card;
 struct snd_pcm_substream;
 struct snd_pcm_hardware;
@@ -62,7 +68,6 @@ struct oxygen_model {
 	const char *shortname;
 	const char *longname;
 	const char *chip;
-	int (*probe)(struct oxygen *chip, unsigned long driver_data);
 	void (*init)(struct oxygen *chip);
 	int (*control_filter)(struct snd_kcontrol_new *template);
 	int (*mixer_init)(struct oxygen *chip);
@@ -82,6 +87,7 @@ struct oxygen_model {
 	void (*ac97_switch)(struct oxygen *chip,
 			    unsigned int reg, unsigned int mute);
 	const unsigned int *dac_tlv;
+	unsigned long private_data;
 	size_t model_data_size;
 	unsigned int device_config;
 	u8 dac_channels;
@@ -134,8 +140,11 @@ struct oxygen {
 
 int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
 		     struct module *owner,
-		     const struct oxygen_model *model,
-		     unsigned long driver_data);
+		     const struct pci_device_id *ids,
+		     int (*get_model)(struct oxygen *chip,
+				      const struct pci_device_id *id
+				     )
+		    );
 void oxygen_pci_remove(struct pci_dev *pci);
 #ifdef CONFIG_PM
 int oxygen_pci_suspend(struct pci_dev *pci, pm_message_t state);
@@ -180,6 +189,8 @@ void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data);
 void oxygen_reset_uart(struct oxygen *chip);
 void oxygen_write_uart(struct oxygen *chip, u8 data);
 
+u16 oxygen_read_eeprom(struct oxygen *chip, unsigned int index);
+
 static inline void oxygen_set_bits8(struct oxygen *chip,
 				    unsigned int reg, u8 value)
 {

trunk/sound/pci/oxygen/oxygen_io.c

@@ -254,3 +254,18 @@ void oxygen_write_uart(struct oxygen *chip, u8 data)
 	_write_uart(chip, 0, data);
 }
 EXPORT_SYMBOL(oxygen_write_uart);
+
+u16 oxygen_read_eeprom(struct oxygen *chip, unsigned int index)
+{
+	unsigned int timeout;
+
+	oxygen_write8(chip, OXYGEN_EEPROM_CONTROL,
+		      index | OXYGEN_EEPROM_DIR_READ);
+	for (timeout = 0; timeout < 100; ++timeout) {
+		udelay(1);
+		if (!(oxygen_read8(chip, OXYGEN_EEPROM_STATUS)
+		      & OXYGEN_EEPROM_BUSY))
+			break;
+	}
+	return oxygen_read16(chip, OXYGEN_EEPROM_DATA);
+}

trunk/sound/pci/oxygen/oxygen_lib.c

@@ -244,6 +244,34 @@ static void oxygen_proc_init(struct oxygen *chip)
 #define oxygen_proc_init(chip)
 #endif
 
+static const struct pci_device_id *
+oxygen_search_pci_id(struct oxygen *chip, const struct pci_device_id ids[])
+{
+	u16 subdevice;
+
+	/*
+	 * Make sure the EEPROM pins are available, i.e., not used for SPI.
+	 * (This function is called before we initialize or use SPI.)
+	 */
+	oxygen_clear_bits8(chip, OXYGEN_FUNCTION,
+			   OXYGEN_FUNCTION_ENABLE_SPI_4_5);
+	/*
+	 * Read the subsystem device ID directly from the EEPROM, because the
+	 * chip didn't if the first EEPROM word was overwritten.
+	 */
+	subdevice = oxygen_read_eeprom(chip, 2);
+	/*
+	 * We use only the subsystem device ID for searching because it is
+	 * unique even without the subsystem vendor ID, which may have been
+	 * overwritten in the EEPROM.
+	 */
+	for (; ids->vendor; ++ids)
+		if (ids->subdevice == subdevice &&
+		    ids->driver_data != BROKEN_EEPROM_DRIVER_DATA)
+			return ids;
+	return NULL;
+}
+
 static void oxygen_init(struct oxygen *chip)
 {
 	unsigned int i;
@@ -455,11 +483,15 @@ static void oxygen_card_free(struct snd_card *card)
 
 int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
 		     struct module *owner,
-		     const struct oxygen_model *model,
-		     unsigned long driver_data)
+		     const struct pci_device_id *ids,
+		     int (*get_model)(struct oxygen *chip,
+				      const struct pci_device_id *id
+				     )
+		    )
 {
 	struct snd_card *card;
 	struct oxygen *chip;
+	const struct pci_device_id *pci_id;
 	int err;
 
 	err = snd_card_create(index, id, owner, sizeof(*chip), &card);
@@ -470,7 +502,6 @@ int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
 	chip->card = card;
 	chip->pci = pci;
 	chip->irq = -1;
-	chip->model = *model;
 	spin_lock_init(&chip->reg_lock);
 	mutex_init(&chip->mutex);
 	INIT_WORK(&chip->spdif_input_bits_work,
@@ -496,6 +527,15 @@ int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
 	}
 	chip->addr = pci_resource_start(pci, 0);
 
+	pci_id = oxygen_search_pci_id(chip, ids);
+	if (!pci_id) {
+		err = -ENODEV;
+		goto err_pci_regions;
+	}
+	err = get_model(chip, pci_id);
+	if (err < 0)
+		goto err_pci_regions;
+
 	if (chip->model.model_data_size) {
 		chip->model_data = kmalloc(chip->model.model_data_size,
 					   GFP_KERNEL);
@@ -509,11 +549,6 @@ int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
 	snd_card_set_dev(card, &pci->dev);
 	card->private_free = oxygen_card_free;
 
-	if (chip->model.probe) {
-		err = chip->model.probe(chip, driver_data);
-		if (err < 0)
-			goto err_card;
-	}
 	oxygen_init(chip);
 	chip->model.init(chip);