Merge remote-tracking branch 'asoc/topic/wm0010' into asoc-next

This commit is contained in:
Mark Brown 2012-12-10 00:22:22 +09:00
commit 0b0ddfa57c
1 changed files with 251 additions and 174 deletions

View File

@ -31,6 +31,9 @@
#define DEVICE_ID_WM0010 10
/* We only support v1 of the .dfw INFO record */
#define INFO_VERSION 1
enum dfw_cmd {
DFW_CMD_FUSE = 0x01,
DFW_CMD_CODE_HDR,
@ -46,6 +49,13 @@ struct dfw_binrec {
uint8_t data[0];
} __packed;
struct dfw_inforec {
u8 info_version;
u8 tool_major_version;
u8 tool_minor_version;
u8 dsp_target;
};
struct dfw_pllrec {
u8 command;
u32 length:24;
@ -97,7 +107,6 @@ struct wm0010_priv {
enum wm0010_state state;
bool boot_failed;
int boot_done;
bool ready;
bool pll_running;
int max_spi_freq;
@ -234,7 +243,7 @@ static void wm0010_boot_xfer_complete(void *data)
break;
case 0x55555555:
if (wm0010->boot_done == 0)
if (wm0010->state < WM0010_STAGE2)
break;
dev_err(codec->dev,
"%d: ROM bootloader running in stage 2\n", i);
@ -321,7 +330,6 @@ static void wm0010_boot_xfer_complete(void *data)
break;
}
wm0010->boot_done++;
if (xfer->done)
complete(xfer->done);
}
@ -334,24 +342,253 @@ static void byte_swap_64(u64 *data_in, u64 *data_out, u32 len)
data_out[i] = cpu_to_be64(le64_to_cpu(data_in[i]));
}
static int wm0010_boot(struct snd_soc_codec *codec)
static int wm0010_firmware_load(char *name, struct snd_soc_codec *codec)
{
struct spi_device *spi = to_spi_device(codec->dev);
struct wm0010_priv *wm0010 = snd_soc_codec_get_drvdata(codec);
unsigned long flags;
struct list_head xfer_list;
struct wm0010_boot_xfer *xfer;
int ret;
struct completion done;
const struct firmware *fw;
const struct dfw_binrec *rec;
const struct dfw_inforec *inforec;
u64 *img;
u8 *out, dsp;
u32 len, offset;
INIT_LIST_HEAD(&xfer_list);
ret = request_firmware(&fw, name, codec->dev);
if (ret != 0) {
dev_err(codec->dev, "Failed to request application: %d\n",
ret);
return ret;
}
rec = (const struct dfw_binrec *)fw->data;
inforec = (const struct dfw_inforec *)rec->data;
offset = 0;
dsp = inforec->dsp_target;
wm0010->boot_failed = false;
BUG_ON(!list_empty(&xfer_list));
init_completion(&done);
/* First record should be INFO */
if (rec->command != DFW_CMD_INFO) {
dev_err(codec->dev, "First record not INFO\r\n");
ret = -EINVAL;
goto abort;
}
if (inforec->info_version != INFO_VERSION) {
dev_err(codec->dev,
"Unsupported version (%02d) of INFO record\r\n",
inforec->info_version);
ret = -EINVAL;
goto abort;
}
dev_dbg(codec->dev, "Version v%02d INFO record found\r\n",
inforec->info_version);
/* Check it's a DSP file */
if (dsp != DEVICE_ID_WM0010) {
dev_err(codec->dev, "Not a WM0010 firmware file.\r\n");
ret = -EINVAL;
goto abort;
}
/* Skip the info record as we don't need to send it */
offset += ((rec->length) + 8);
rec = (void *)&rec->data[rec->length];
while (offset < fw->size) {
dev_dbg(codec->dev,
"Packet: command %d, data length = 0x%x\r\n",
rec->command, rec->length);
len = rec->length + 8;
out = kzalloc(len, GFP_KERNEL);
if (!out) {
dev_err(codec->dev,
"Failed to allocate RX buffer\n");
ret = -ENOMEM;
goto abort1;
}
img = kzalloc(len, GFP_KERNEL);
if (!img) {
dev_err(codec->dev,
"Failed to allocate image buffer\n");
ret = -ENOMEM;
goto abort1;
}
byte_swap_64((u64 *)&rec->command, img, len);
xfer = kzalloc(sizeof(*xfer), GFP_KERNEL);
if (!xfer) {
dev_err(codec->dev, "Failed to allocate xfer\n");
ret = -ENOMEM;
goto abort1;
}
xfer->codec = codec;
list_add_tail(&xfer->list, &xfer_list);
spi_message_init(&xfer->m);
xfer->m.complete = wm0010_boot_xfer_complete;
xfer->m.context = xfer;
xfer->t.tx_buf = img;
xfer->t.rx_buf = out;
xfer->t.len = len;
xfer->t.bits_per_word = 8;
if (!wm0010->pll_running) {
xfer->t.speed_hz = wm0010->sysclk / 6;
} else {
xfer->t.speed_hz = wm0010->max_spi_freq;
if (wm0010->board_max_spi_speed &&
(wm0010->board_max_spi_speed < wm0010->max_spi_freq))
xfer->t.speed_hz = wm0010->board_max_spi_speed;
}
/* Store max usable spi frequency for later use */
wm0010->max_spi_freq = xfer->t.speed_hz;
spi_message_add_tail(&xfer->t, &xfer->m);
offset += ((rec->length) + 8);
rec = (void *)&rec->data[rec->length];
if (offset >= fw->size) {
dev_dbg(codec->dev, "All transfers scheduled\n");
xfer->done = &done;
}
ret = spi_async(spi, &xfer->m);
if (ret != 0) {
dev_err(codec->dev, "Write failed: %d\n", ret);
goto abort1;
}
if (wm0010->boot_failed) {
dev_dbg(codec->dev, "Boot fail!\n");
ret = -EINVAL;
goto abort1;
}
}
wait_for_completion(&done);
ret = 0;
abort1:
while (!list_empty(&xfer_list)) {
xfer = list_first_entry(&xfer_list, struct wm0010_boot_xfer,
list);
kfree(xfer->t.rx_buf);
kfree(xfer->t.tx_buf);
list_del(&xfer->list);
kfree(xfer);
}
abort:
release_firmware(fw);
return ret;
}
static int wm0010_stage2_load(struct snd_soc_codec *codec)
{
struct spi_device *spi = to_spi_device(codec->dev);
struct wm0010_priv *wm0010 = snd_soc_codec_get_drvdata(codec);
const struct firmware *fw;
struct spi_message m;
struct spi_transfer t;
u32 *img;
u8 *out;
int i;
int ret = 0;
ret = request_firmware(&fw, "wm0010_stage2.bin", codec->dev);
if (ret != 0) {
dev_err(codec->dev, "Failed to request stage2 loader: %d\n",
ret);
return ret;
}
dev_dbg(codec->dev, "Downloading %zu byte stage 2 loader\n", fw->size);
/* Copy to local buffer first as vmalloc causes problems for dma */
img = kzalloc(fw->size, GFP_KERNEL);
if (!img) {
dev_err(codec->dev, "Failed to allocate image buffer\n");
ret = -ENOMEM;
goto abort2;
}
out = kzalloc(fw->size, GFP_KERNEL);
if (!out) {
dev_err(codec->dev, "Failed to allocate output buffer\n");
ret = -ENOMEM;
goto abort1;
}
memcpy(img, &fw->data[0], fw->size);
spi_message_init(&m);
memset(&t, 0, sizeof(t));
t.rx_buf = out;
t.tx_buf = img;
t.len = fw->size;
t.bits_per_word = 8;
t.speed_hz = wm0010->sysclk / 10;
spi_message_add_tail(&t, &m);
dev_dbg(codec->dev, "Starting initial download at %dHz\n",
t.speed_hz);
ret = spi_sync(spi, &m);
if (ret != 0) {
dev_err(codec->dev, "Initial download failed: %d\n", ret);
goto abort;
}
/* Look for errors from the boot ROM */
for (i = 0; i < fw->size; i++) {
if (out[i] != 0x55) {
dev_err(codec->dev, "Boot ROM error: %x in %d\n",
out[i], i);
wm0010_mark_boot_failure(wm0010);
ret = -EBUSY;
goto abort;
}
}
abort:
kfree(out);
abort1:
kfree(img);
abort2:
release_firmware(fw);
return ret;
}
static int wm0010_boot(struct snd_soc_codec *codec)
{
struct spi_device *spi = to_spi_device(codec->dev);
struct wm0010_priv *wm0010 = snd_soc_codec_get_drvdata(codec);
unsigned long flags;
int ret;
const struct firmware *fw;
struct spi_message m;
struct spi_transfer t;
struct dfw_pllrec pll_rec;
u32 *img, *p;
u32 *p, len;
u64 *img_swap;
u8 *out;
u32 len, offset;
int i;
spin_lock_irqsave(&wm0010->irq_lock, flags);
@ -365,8 +602,6 @@ static int wm0010_boot(struct snd_soc_codec *codec)
goto err;
}
INIT_LIST_HEAD(&xfer_list);
mutex_lock(&wm0010->lock);
wm0010->pll_running = false;
@ -402,65 +637,19 @@ static int wm0010_boot(struct snd_soc_codec *codec)
}
if (!wait_for_completion_timeout(&wm0010->boot_completion,
msecs_to_jiffies(10)))
msecs_to_jiffies(20)))
dev_err(codec->dev, "Failed to get interrupt from DSP\n");
spin_lock_irqsave(&wm0010->irq_lock, flags);
wm0010->state = WM0010_BOOTROM;
spin_unlock_irqrestore(&wm0010->irq_lock, flags);
dev_dbg(codec->dev, "Downloading %zu byte stage 2 loader\n", fw->size);
/* Copy to local buffer first as vmalloc causes problems for dma */
img = kzalloc(fw->size, GFP_KERNEL);
if (!img) {
dev_err(codec->dev, "Failed to allocate image buffer\n");
ret = wm0010_stage2_load(codec);
if (ret)
goto abort;
}
out = kzalloc(fw->size, GFP_KERNEL);
if (!out) {
dev_err(codec->dev, "Failed to allocate output buffer\n");
goto abort;
}
memcpy(img, &fw->data[0], fw->size);
spi_message_init(&m);
memset(&t, 0, sizeof(t));
t.rx_buf = out;
t.tx_buf = img;
t.len = fw->size;
t.bits_per_word = 8;
t.speed_hz = wm0010->sysclk / 10;
spi_message_add_tail(&t, &m);
dev_dbg(codec->dev, "Starting initial download at %dHz\n",
t.speed_hz);
ret = spi_sync(spi, &m);
if (ret != 0) {
dev_err(codec->dev, "Initial download failed: %d\n", ret);
goto abort;
}
/* Look for errors from the boot ROM */
for (i = 0; i < fw->size; i++) {
if (out[i] != 0x55) {
ret = -EBUSY;
dev_err(codec->dev, "Boot ROM error: %x in %d\n",
out[i], i);
wm0010_mark_boot_failure(wm0010);
goto abort;
}
}
release_firmware(fw);
kfree(img);
kfree(out);
if (!wait_for_completion_timeout(&wm0010->boot_completion,
msecs_to_jiffies(10)))
msecs_to_jiffies(20)))
dev_err(codec->dev, "Failed to get interrupt from DSP loader.\n");
spin_lock_irqsave(&wm0010->irq_lock, flags);
@ -535,110 +724,10 @@ static int wm0010_boot(struct snd_soc_codec *codec)
} else
dev_dbg(codec->dev, "Not enabling DSP PLL.");
ret = request_firmware(&fw, "wm0010.dfw", codec->dev);
if (ret != 0) {
dev_err(codec->dev, "Failed to request application: %d\n",
ret);
ret = wm0010_firmware_load("wm0010.dfw", codec);
if (ret != 0)
goto abort;
}
rec = (const struct dfw_binrec *)fw->data;
offset = 0;
wm0010->boot_done = 0;
wm0010->boot_failed = false;
BUG_ON(!list_empty(&xfer_list));
init_completion(&done);
/* First record should be INFO */
if (rec->command != DFW_CMD_INFO) {
dev_err(codec->dev, "First record not INFO\r\n");
goto abort;
}
/* Check it's a 0010 file */
if (rec->data[0] != DEVICE_ID_WM0010) {
dev_err(codec->dev, "Not a WM0010 firmware file.\r\n");
goto abort;
}
/* Skip the info record as we don't need to send it */
offset += ((rec->length) + 8);
rec = (void *)&rec->data[rec->length];
while (offset < fw->size) {
dev_dbg(codec->dev,
"Packet: command %d, data length = 0x%x\r\n",
rec->command, rec->length);
len = rec->length + 8;
out = kzalloc(len, GFP_KERNEL);
if (!out) {
dev_err(codec->dev,
"Failed to allocate RX buffer\n");
goto abort;
}
img_swap = kzalloc(len, GFP_KERNEL);
if (!img_swap) {
dev_err(codec->dev,
"Failed to allocate image buffer\n");
goto abort;
}
/* We need to re-order for 0010 */
byte_swap_64((u64 *)&rec->command, img_swap, len);
xfer = kzalloc(sizeof(*xfer), GFP_KERNEL);
if (!xfer) {
dev_err(codec->dev, "Failed to allocate xfer\n");
goto abort;
}
xfer->codec = codec;
list_add_tail(&xfer->list, &xfer_list);
spi_message_init(&xfer->m);
xfer->m.complete = wm0010_boot_xfer_complete;
xfer->m.context = xfer;
xfer->t.tx_buf = img_swap;
xfer->t.rx_buf = out;
xfer->t.len = len;
xfer->t.bits_per_word = 8;
if (!wm0010->pll_running) {
xfer->t.speed_hz = wm0010->sysclk / 6;
} else {
xfer->t.speed_hz = wm0010->max_spi_freq;
if (wm0010->board_max_spi_speed &&
(wm0010->board_max_spi_speed < wm0010->max_spi_freq))
xfer->t.speed_hz = wm0010->board_max_spi_speed;
}
/* Store max usable spi frequency for later use */
wm0010->max_spi_freq = xfer->t.speed_hz;
spi_message_add_tail(&xfer->t, &xfer->m);
offset += ((rec->length) + 8);
rec = (void *)&rec->data[rec->length];
if (offset >= fw->size) {
dev_dbg(codec->dev, "All transfers scheduled\n");
xfer->done = &done;
}
ret = spi_async(spi, &xfer->m);
if (ret != 0) {
dev_err(codec->dev, "Write failed: %d\n", ret);
goto abort;
}
if (wm0010->boot_failed)
goto abort;
}
wait_for_completion(&done);
spin_lock_irqsave(&wm0010->irq_lock, flags);
wm0010->state = WM0010_FIRMWARE;
@ -646,17 +735,6 @@ static int wm0010_boot(struct snd_soc_codec *codec)
mutex_unlock(&wm0010->lock);
release_firmware(fw);
while (!list_empty(&xfer_list)) {
xfer = list_first_entry(&xfer_list, struct wm0010_boot_xfer,
list);
kfree(xfer->t.rx_buf);
kfree(xfer->t.tx_buf);
list_del(&xfer->list);
kfree(xfer);
}
return 0;
abort:
@ -784,7 +862,6 @@ static irqreturn_t wm0010_irq(int irq, void *data)
struct wm0010_priv *wm0010 = data;
switch (wm0010->state) {
case WM0010_POWER_OFF:
case WM0010_OUT_OF_RESET:
case WM0010_BOOTROM:
case WM0010_STAGE2: