aboutsummaryrefslogtreecommitdiffstats
path: root/sound/pci/rme9652/hdsp.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--sound/pci/rme9652/hdsp.c62
1 files changed, 34 insertions, 28 deletions
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c
index 0d6930c4f4b7..b8ddbb18f141 100644
--- a/sound/pci/rme9652/hdsp.c
+++ b/sound/pci/rme9652/hdsp.c
@@ -59,13 +59,11 @@ MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{RME Hammerfall-DSP},"
"{RME HDSP-9652},"
"{RME HDSP-9632}}");
-#ifdef HDSP_FW_LOADER
MODULE_FIRMWARE("rpm_firmware.bin");
MODULE_FIRMWARE("multiface_firmware.bin");
MODULE_FIRMWARE("multiface_firmware_rev11.bin");
MODULE_FIRMWARE("digiface_firmware.bin");
MODULE_FIRMWARE("digiface_firmware_rev11.bin");
-#endif
#define HDSP_MAX_CHANNELS 26
#define HDSP_MAX_DS_CHANNELS 14
@@ -423,12 +421,7 @@ MODULE_FIRMWARE("digiface_firmware_rev11.bin");
#define HDSP_DMA_AREA_BYTES ((HDSP_MAX_CHANNELS+1) * HDSP_CHANNEL_BUFFER_BYTES)
#define HDSP_DMA_AREA_KILOBYTES (HDSP_DMA_AREA_BYTES/1024)
-/* use hotplug firmware loader? */
-#if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
-#if !defined(HDSP_USE_HWDEP_LOADER)
-#define HDSP_FW_LOADER
-#endif
-#endif
+#define HDSP_FIRMWARE_SIZE (24413 * 4)
struct hdsp_9632_meters {
u32 input_peak[16];
@@ -475,7 +468,8 @@ struct hdsp {
enum HDSP_IO_Type io_type; /* ditto, but for code use */
unsigned short firmware_rev;
unsigned short state; /* stores state bits */
- u32 firmware_cache[24413]; /* this helps recover from accidental iobox power failure */
+ const struct firmware *firmware;
+ u32 *fw_uploaded;
size_t period_bytes; /* guess what this is */
unsigned char max_channels;
unsigned char qs_in_channels; /* quad speed mode for H9632 */
@@ -712,6 +706,17 @@ static int snd_hdsp_load_firmware_from_cache(struct hdsp *hdsp) {
int i;
unsigned long flags;
+ const u32 *cache;
+
+ if (hdsp->fw_uploaded)
+ cache = hdsp->fw_uploaded;
+ else {
+ if (!hdsp->firmware)
+ return -ENODEV;
+ cache = (u32 *)hdsp->firmware->data;
+ if (!cache)
+ return -ENODEV;
+ }
if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
@@ -727,8 +732,8 @@ static int snd_hdsp_load_firmware_from_cache(struct hdsp *hdsp) {
hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
- for (i = 0; i < 24413; ++i) {
- hdsp_write(hdsp, HDSP_fifoData, hdsp->firmware_cache[i]);
+ for (i = 0; i < HDSP_FIRMWARE_SIZE / 4; ++i) {
+ hdsp_write(hdsp, HDSP_fifoData, cache[i]);
if (hdsp_fifo_wait (hdsp, 127, HDSP_LONG_WAIT)) {
snd_printk ("Hammerfall-DSP: timeout during firmware loading\n");
return -EIO;
@@ -798,9 +803,7 @@ static int hdsp_get_iobox_version (struct hdsp *hdsp)
}
-#ifdef HDSP_FW_LOADER
static int hdsp_request_fw_loader(struct hdsp *hdsp);
-#endif
static int hdsp_check_for_firmware (struct hdsp *hdsp, int load_on_demand)
{
@@ -813,10 +816,8 @@ static int hdsp_check_for_firmware (struct hdsp *hdsp, int load_on_demand)
snd_printk(KERN_ERR "Hammerfall-DSP: firmware not present.\n");
/* try to load firmware */
if (! (hdsp->state & HDSP_FirmwareCached)) {
-#ifdef HDSP_FW_LOADER
if (! hdsp_request_fw_loader(hdsp))
return 0;
-#endif
snd_printk(KERN_ERR
"Hammerfall-DSP: No firmware loaded nor "
"cached, please upload firmware.\n");
@@ -3673,9 +3674,7 @@ snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
}
} else {
int err = -EINVAL;
-#ifdef HDSP_FW_LOADER
err = hdsp_request_fw_loader(hdsp);
-#endif
if (err < 0) {
snd_iprintf(buffer,
"No firmware loaded nor cached, "
@@ -5100,8 +5099,18 @@ static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigne
if (hdsp_check_for_iobox (hdsp))
return -EIO;
- if (copy_from_user(hdsp->firmware_cache, firmware_data, sizeof(hdsp->firmware_cache)) != 0)
+ if (!hdsp->fw_uploaded) {
+ hdsp->fw_uploaded = vmalloc(HDSP_FIRMWARE_SIZE);
+ if (!hdsp->fw_uploaded)
+ return -ENOMEM;
+ }
+
+ if (copy_from_user(hdsp->fw_uploaded, firmware_data,
+ HDSP_FIRMWARE_SIZE)) {
+ vfree(hdsp->fw_uploaded);
+ hdsp->fw_uploaded = NULL;
return -EFAULT;
+ }
hdsp->state |= HDSP_FirmwareCached;
@@ -5330,7 +5339,6 @@ static int snd_hdsp_create_alsa_devices(struct snd_card *card, struct hdsp *hdsp
return 0;
}
-#ifdef HDSP_FW_LOADER
/* load firmware via hotplug fw loader */
static int hdsp_request_fw_loader(struct hdsp *hdsp)
{
@@ -5373,16 +5381,13 @@ static int hdsp_request_fw_loader(struct hdsp *hdsp)
snd_printk(KERN_ERR "Hammerfall-DSP: cannot load firmware %s\n", fwfile);
return -ENOENT;
}
- if (fw->size < sizeof(hdsp->firmware_cache)) {
+ if (fw->size < HDSP_FIRMWARE_SIZE) {
snd_printk(KERN_ERR "Hammerfall-DSP: too short firmware size %d (expected %d)\n",
- (int)fw->size, (int)sizeof(hdsp->firmware_cache));
- release_firmware(fw);
+ (int)fw->size, HDSP_FIRMWARE_SIZE);
return -EINVAL;
}
- memcpy(hdsp->firmware_cache, fw->data, sizeof(hdsp->firmware_cache));
-
- release_firmware(fw);
+ hdsp->firmware = fw;
hdsp->state |= HDSP_FirmwareCached;
@@ -5406,7 +5411,6 @@ static int hdsp_request_fw_loader(struct hdsp *hdsp)
}
return 0;
}
-#endif
static int __devinit snd_hdsp_create(struct snd_card *card,
struct hdsp *hdsp)
@@ -5504,7 +5508,6 @@ static int __devinit snd_hdsp_create(struct snd_card *card,
return err;
if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
-#ifdef HDSP_FW_LOADER
if ((err = hdsp_request_fw_loader(hdsp)) < 0)
/* we don't fail as this can happen
if userspace is not ready for
@@ -5514,7 +5517,6 @@ static int __devinit snd_hdsp_create(struct snd_card *card,
else
/* init is complete, we return */
return 0;
-#endif
/* we defer initialization */
snd_printk(KERN_INFO "Hammerfall-DSP: card initialization pending : waiting for firmware\n");
if ((err = snd_hdsp_create_hwdep(card, hdsp)) < 0)
@@ -5568,6 +5570,10 @@ static int snd_hdsp_free(struct hdsp *hdsp)
snd_hdsp_free_buffers(hdsp);
+ if (hdsp->firmware)
+ release_firmware(hdsp->firmware);
+ vfree(hdsp->fw_uploaded);
+
if (hdsp->iobase)
iounmap(hdsp->iobase);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.