{
struct fw_device *device = fw_parent_device(dice->unit);
__be64 *buffer;
- int rcode, err, errors = 0;
+ int err, errors = 0;
buffer = kmalloc(2 * 8, GFP_KERNEL);
if (!buffer)
dice->owner_generation = device->generation;
smp_rmb(); /* node_id vs. generation */
- rcode = fw_run_transaction(device->card,
- TCODE_LOCK_COMPARE_SWAP,
- device->node_id,
- dice->owner_generation,
- device->max_speed,
- global_address(dice, GLOBAL_OWNER),
- buffer, 2 * 8);
-
- if (rcode == RCODE_COMPLETE) {
- if (buffer[0] == cpu_to_be64(OWNER_NO_OWNER)) {
- err = 0;
- } else {
+ err = snd_fw_transaction(dice->unit,
+ TCODE_LOCK_COMPARE_SWAP,
+ global_address(dice, GLOBAL_OWNER),
+ buffer, 2 * 8,
+ FW_FIXED_GENERATION |
+ dice->owner_generation);
+
+ if (err == 0) {
+ if (buffer[0] != cpu_to_be64(OWNER_NO_OWNER)) {
dev_err(&dice->unit->device,
"device is already in use\n");
err = -EBUSY;
}
break;
}
- if (rcode_is_permanent_error(rcode) || ++errors >= 3) {
- dev_err(&dice->unit->device,
- "setting device owner failed: %s\n",
- fw_rcode_string(rcode));
- err = -EIO;
+ if (err != -EAGAIN || ++errors >= 3)
break;
- }
+
msleep(20);
}
{
struct fw_device *device = fw_parent_device(dice->unit);
__be64 *buffer;
- int rcode, err, errors = 0;
+ int err;
if (dice->owner_generation == -1)
return 0;
if (!buffer)
return -ENOMEM;
- for (;;) {
- buffer[0] = cpu_to_be64(OWNER_NO_OWNER);
- buffer[1] = cpu_to_be64(
- ((u64)device->card->node_id << OWNER_NODE_SHIFT) |
- dice->notification_handler.offset);
+ buffer[0] = cpu_to_be64(OWNER_NO_OWNER);
+ buffer[1] = cpu_to_be64(
+ ((u64)device->card->node_id << OWNER_NODE_SHIFT) |
+ dice->notification_handler.offset);
- dice->owner_generation = device->generation;
- smp_rmb(); /* node_id vs. generation */
- rcode = fw_run_transaction(device->card,
- TCODE_LOCK_COMPARE_SWAP,
- device->node_id,
- dice->owner_generation,
- device->max_speed,
- global_address(dice, GLOBAL_OWNER),
- buffer, 2 * 8);
-
- if (rcode == RCODE_COMPLETE) {
- if (buffer[0] == cpu_to_be64(OWNER_NO_OWNER)) {
- err = 0;
- } else {
- dev_err(&dice->unit->device,
- "device is already in use\n");
- err = -EBUSY;
- }
- break;
- }
- if (rcode == RCODE_GENERATION) {
- err = 0; /* try again later */
- break;
- }
- if (rcode_is_permanent_error(rcode) || ++errors >= 3) {
+ dice->owner_generation = device->generation;
+ smp_rmb(); /* node_id vs. generation */
+ err = snd_fw_transaction(dice->unit, TCODE_LOCK_COMPARE_SWAP,
+ global_address(dice, GLOBAL_OWNER),
+ buffer, 2 * 8,
+ FW_FIXED_GENERATION | dice->owner_generation);
+
+ if (err == 0) {
+ if (buffer[0] != cpu_to_be64(OWNER_NO_OWNER)) {
dev_err(&dice->unit->device,
- "setting device owner failed: %s\n",
- fw_rcode_string(rcode));
- err = -EIO;
- break;
+ "device is already in use\n");
+ err = -EBUSY;
}
- msleep(20);
+ } else if (err == -EAGAIN) {
+ err = 0; /* try again later */
}
kfree(buffer);
{
struct fw_device *device = fw_parent_device(dice->unit);
__be64 *buffer;
- int rcode, errors = 0;
buffer = kmalloc(2 * 8, GFP_KERNEL);
if (!buffer)
return;
- for (;;) {
- buffer[0] = cpu_to_be64(
- ((u64)device->card->node_id << OWNER_NODE_SHIFT) |
- dice->notification_handler.offset);
- buffer[1] = cpu_to_be64(OWNER_NO_OWNER);
-
- rcode = fw_run_transaction(device->card,
- TCODE_LOCK_COMPARE_SWAP,
- device->node_id,
- dice->owner_generation,
- device->max_speed,
- global_address(dice, GLOBAL_OWNER),
- buffer, 2 * 8);
-
- if (rcode == RCODE_COMPLETE)
- break;
- if (rcode == RCODE_GENERATION)
- break;
- if (rcode_is_permanent_error(rcode) || ++errors >= 3) {
- dev_err(&dice->unit->device,
- "clearing device owner failed: %s\n",
- fw_rcode_string(rcode));
- break;
- }
- msleep(20);
- }
+ buffer[0] = cpu_to_be64(
+ ((u64)device->card->node_id << OWNER_NODE_SHIFT) |
+ dice->notification_handler.offset);
+ buffer[1] = cpu_to_be64(OWNER_NO_OWNER);
+ snd_fw_transaction(dice->unit, TCODE_LOCK_COMPARE_SWAP,
+ global_address(dice, GLOBAL_OWNER),
+ buffer, 2 * 8, FW_QUIET |
+ FW_FIXED_GENERATION | dice->owner_generation);
kfree(buffer);
static int dice_enable_set(struct dice *dice)
{
- struct fw_device *device = fw_parent_device(dice->unit);
__be32 value;
- int rcode, err, errors = 0;
+ int err;
value = cpu_to_be32(1);
- for (;;) {
- rcode = fw_run_transaction(device->card,
- TCODE_WRITE_QUADLET_REQUEST,
- device->node_id,
- dice->owner_generation,
- device->max_speed,
- global_address(dice, GLOBAL_ENABLE),
- &value, 4);
- if (rcode == RCODE_COMPLETE) {
- dice->global_enabled = true;
- err = 0;
- break;
- }
- if (rcode == RCODE_GENERATION) {
- err = -EAGAIN;
- break;
- }
- if (rcode_is_permanent_error(rcode) || ++errors >= 3) {
- dev_err(&dice->unit->device,
- "device enabling failed: %s\n",
- fw_rcode_string(rcode));
- err = -EIO;
- break;
- }
- msleep(20);
- }
+ err = snd_fw_transaction(dice->unit, TCODE_WRITE_QUADLET_REQUEST,
+ global_address(dice, GLOBAL_ENABLE),
+ &value, 4,
+ FW_FIXED_GENERATION | dice->owner_generation);
+ if (err < 0)
+ return err;
- return err;
+ dice->global_enabled = true;
+
+ return 0;
}
static void dice_enable_clear(struct dice *dice)
{
- struct fw_device *device = fw_parent_device(dice->unit);
__be32 value;
- int rcode, errors = 0;
value = 0;
- for (;;) {
- rcode = fw_run_transaction(device->card,
- TCODE_WRITE_QUADLET_REQUEST,
- device->node_id,
- dice->owner_generation,
- device->max_speed,
- global_address(dice, GLOBAL_ENABLE),
- &value, 4);
- if (rcode == RCODE_COMPLETE ||
- rcode == RCODE_GENERATION)
- break;
- if (rcode_is_permanent_error(rcode) || ++errors >= 3) {
- dev_err(&dice->unit->device,
- "device disabling failed: %s\n",
- fw_rcode_string(rcode));
- break;
- }
- msleep(20);
- }
+ snd_fw_transaction(dice->unit, TCODE_WRITE_QUADLET_REQUEST,
+ global_address(dice, GLOBAL_ENABLE),
+ &value, 4, FW_QUIET |
+ FW_FIXED_GENERATION | dice->owner_generation);
+
dice->global_enabled = false;
}
};
struct dice *dice = substream->private_data;
struct snd_pcm_runtime *runtime = substream->runtime;
- __be32 clock_sel, number_audio, number_midi;
- unsigned int rate;
+ __be32 clock_sel, data[2];
+ unsigned int rate_index, number_audio, number_midi;
int err;
err = dice_try_lock(dice);
err = snd_fw_transaction(dice->unit, TCODE_READ_QUADLET_REQUEST,
global_address(dice, GLOBAL_CLOCK_SELECT),
- &clock_sel, 4);
+ &clock_sel, 4, 0);
if (err < 0)
goto err_lock;
- rate = (be32_to_cpu(clock_sel) & CLOCK_RATE_MASK) >> CLOCK_RATE_SHIFT;
- if (rate >= ARRAY_SIZE(dice_rates)) {
+ rate_index = (be32_to_cpu(clock_sel) & CLOCK_RATE_MASK)
+ >> CLOCK_RATE_SHIFT;
+ if (rate_index >= ARRAY_SIZE(dice_rates)) {
err = -ENXIO;
goto err_lock;
}
- rate = dice_rates[rate];
- err = snd_fw_transaction(dice->unit, TCODE_READ_QUADLET_REQUEST,
+ err = snd_fw_transaction(dice->unit, TCODE_READ_BLOCK_REQUEST,
rx_address(dice, RX_NUMBER_AUDIO),
- &number_audio, 4);
- if (err < 0)
- goto err_lock;
- err = snd_fw_transaction(dice->unit, TCODE_READ_QUADLET_REQUEST,
- rx_address(dice, RX_NUMBER_MIDI),
- &number_midi, 4);
+ data, 2 * 4, 0);
if (err < 0)
goto err_lock;
+ number_audio = be32_to_cpu(data[0]);
+ number_midi = be32_to_cpu(data[1]);
runtime->hw = hardware;
- runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
+ runtime->hw.rates = snd_pcm_rate_to_rate_bit(dice_rates[rate_index]);
snd_pcm_limit_hw_rates(runtime);
- runtime->hw.channels_min = be32_to_cpu(number_audio);
- runtime->hw.channels_max = be32_to_cpu(number_audio);
+ runtime->hw.channels_min = number_audio;
+ runtime->hw.channels_max = number_audio;
- amdtp_out_stream_set_rate(&dice->stream, rate);
- amdtp_out_stream_set_pcm(&dice->stream, be32_to_cpu(number_audio));
- amdtp_out_stream_set_midi(&dice->stream, be32_to_cpu(number_midi));
+ amdtp_out_stream_set_parameters(&dice->stream, dice_rates[rate_index],
+ number_audio, number_midi);
+
+ err = snd_pcm_hw_constraint_step(runtime, 0,
+ SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
+ amdtp_syt_intervals[rate_index]);
+ if (err < 0)
+ goto err_lock;
+ err = snd_pcm_hw_constraint_step(runtime, 0,
+ SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
+ amdtp_syt_intervals[rate_index]);
+ if (err < 0)
+ goto err_lock;
err = snd_pcm_hw_constraint_minmax(runtime,
SNDRV_PCM_HW_PARAM_PERIOD_TIME,
err = snd_fw_transaction(dice->unit,
TCODE_WRITE_QUADLET_REQUEST,
rx_address(dice, RX_ISOCHRONOUS),
- &channel, 4);
+ &channel, 4, 0);
if (err < 0)
goto err_resources;
}
err_rx_channel:
channel = cpu_to_be32((u32)-1);
snd_fw_transaction(dice->unit, TCODE_WRITE_QUADLET_REQUEST,
- rx_address(dice, RX_ISOCHRONOUS), &channel, 4);
+ rx_address(dice, RX_ISOCHRONOUS), &channel, 4, 0);
err_resources:
fw_iso_resources_free(&dice->resources);
error:
channel = cpu_to_be32((u32)-1);
snd_fw_transaction(dice->unit, TCODE_WRITE_QUADLET_REQUEST,
- rx_address(dice, RX_ISOCHRONOUS), &channel, 4);
+ rx_address(dice, RX_ISOCHRONOUS), &channel, 4, 0);
fw_iso_resources_free(&dice->resources);
}
mutex_destroy(&dice->mutex);
}
+#define DICE_CATEGORY_ID 0x04
+
+static int dice_interface_check(struct fw_unit *unit)
+{
+ static const int min_values[10] = {
+ 10, 0x64 / 4,
+ 10, 0x18 / 4,
+ 10, 0x18 / 4,
+ 0, 0,
+ 0, 0,
+ };
+ struct fw_device *device = fw_parent_device(unit);
+ struct fw_csr_iterator it;
+ int key, value, vendor = -1, model = -1, err;
+ unsigned int i;
+ __be32 pointers[ARRAY_SIZE(min_values)];
+ __be32 version;
+
+ /*
+ * Check that GUID and unit directory are constructed according to DICE
+ * rules, i.e., that the specifier ID is the GUID's OUI, and that the
+ * GUID chip ID consists of the 8-bit DICE category ID, the 10-bit
+ * product ID, and a 22-bit serial number.
+ */
+ fw_csr_iterator_init(&it, unit->directory);
+ while (fw_csr_iterator_next(&it, &key, &value)) {
+ switch (key) {
+ case CSR_SPECIFIER_ID:
+ vendor = value;
+ break;
+ case CSR_MODEL:
+ model = value;
+ break;
+ }
+ }
+ if (device->config_rom[3] != ((vendor << 8) | DICE_CATEGORY_ID) ||
+ device->config_rom[4] >> 22 != model)
+ return -ENODEV;
+
+ /*
+ * Check that the sub address spaces exist and are located inside the
+ * private address space. The minimum values are chosen so that all
+ * minimally required registers are included.
+ */
+ err = snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST,
+ DICE_PRIVATE_SPACE,
+ pointers, sizeof(pointers), 0);
+ if (err < 0)
+ return -ENODEV;
+ for (i = 0; i < ARRAY_SIZE(pointers); ++i) {
+ value = be32_to_cpu(pointers[i]);
+ if (value < min_values[i] || value >= 0x40000)
+ return -ENODEV;
+ }
+
+ /*
+ * Check that the implemented DICE driver specification major version
+ * number matches.
+ */
+ err = snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST,
+ DICE_PRIVATE_SPACE +
+ be32_to_cpu(pointers[0]) * 4 + GLOBAL_VERSION,
+ &version, 4, 0);
+ if (err < 0)
+ return -ENODEV;
+ if ((version & cpu_to_be32(0xff000000)) != cpu_to_be32(0x01000000)) {
+ dev_err(&unit->device,
+ "unknown DICE version: 0x%08x\n", be32_to_cpu(version));
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
static int dice_init_offsets(struct dice *dice)
{
__be32 pointers[6];
- unsigned int global_size, rx_size;
int err;
err = snd_fw_transaction(dice->unit, TCODE_READ_BLOCK_REQUEST,
- DICE_PRIVATE_SPACE, &pointers, 6 * 4);
+ DICE_PRIVATE_SPACE,
+ pointers, sizeof(pointers), 0);
if (err < 0)
return err;
dice->global_offset = be32_to_cpu(pointers[0]) * 4;
- global_size = be32_to_cpu(pointers[1]);
dice->rx_offset = be32_to_cpu(pointers[4]) * 4;
- rx_size = be32_to_cpu(pointers[5]);
-
- /* some sanity checks to ensure that we actually have a DICE */
- if (dice->global_offset < 10 * 4 || global_size < 0x168 / 4 ||
- dice->rx_offset < 10 * 4 || rx_size < 0x120 / 4) {
- dev_err(&dice->unit->device, "invalid register pointers\n");
- return -ENXIO;
- }
return 0;
}
BUILD_BUG_ON(NICK_NAME_SIZE < sizeof(card->shortname));
err = snd_fw_transaction(dice->unit, TCODE_READ_BLOCK_REQUEST,
global_address(dice, GLOBAL_NICK_NAME),
- card->shortname, sizeof(card->shortname));
+ card->shortname, sizeof(card->shortname), 0);
if (err >= 0) {
/* DICE strings are returned in "always-wrong" endianness */
BUILD_BUG_ON(sizeof(card->shortname) % 4 != 0);
strcpy(model, "?");
fw_csr_string(dice->unit->directory, CSR_MODEL, model, sizeof(model));
snprintf(card->longname, sizeof(card->longname),
- "%s %s, GUID %08x%08x at %s, S%d",
- vendor, model, dev->config_rom[3], dev->config_rom[4],
+ "%s %s (serial %u) at %s, S%d",
+ vendor, model, dev->config_rom[4] & 0x3fffff,
dev_name(&dice->unit->device), 100 << dev->max_speed);
strcpy(card->mixername, "DICE");
__be32 clock_sel;
int err;
+ err = dice_interface_check(unit);
+ if (err < 0)
+ return err;
+
err = snd_card_create(-1, NULL, THIS_MODULE, sizeof(*dice), &card);
if (err < 0)
return err;
goto err_notification_handler;
dice->resources.channels_mask = 0x00000000ffffffffuLL;
- err = amdtp_out_stream_init(&dice->stream, unit, CIP_BLOCKING);
+ err = amdtp_out_stream_init(&dice->stream, unit,
+ CIP_BLOCKING | CIP_HI_DUALWIRE);
if (err < 0)
goto err_resources;
err = snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST,
global_address(dice, GLOBAL_CLOCK_SELECT),
- &clock_sel, 4);
+ &clock_sel, 4, 0);
if (err < 0)
goto error;
clock_sel &= cpu_to_be32(~CLOCK_SOURCE_MASK);
clock_sel |= cpu_to_be32(CLOCK_SOURCE_ARX1);
err = snd_fw_transaction(unit, TCODE_WRITE_QUADLET_REQUEST,
global_address(dice, GLOBAL_CLOCK_SELECT),
- &clock_sel, 4);
+ &clock_sel, 4, 0);
if (err < 0)
goto error;
mutex_unlock(&dice->mutex);
}
-#define TC_OUI 0x000166
#define DICE_INTERFACE 0x000001
static const struct ieee1394_device_id dice_id_table[] = {
{
- .match_flags = IEEE1394_MATCH_SPECIFIER_ID |
- IEEE1394_MATCH_VERSION,
- .specifier_id = TC_OUI,
- .version = DICE_INTERFACE,
+ .match_flags = IEEE1394_MATCH_VERSION,
+ .version = DICE_INTERFACE,
},
{ }
};
git.samba.org / sfrench / cifs-2.6.git / blobdiff