diff options
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/ymfpci/ymfpci_main.c | 59 |
1 files changed, 34 insertions, 25 deletions
diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c index 29b3056..6298b29 100644 --- a/sound/pci/ymfpci/ymfpci_main.c +++ b/sound/pci/ymfpci/ymfpci_main.c @@ -26,6 +26,7 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/vmalloc.h> +#include <linux/mutex.h> #include <sound/core.h> #include <sound/control.h> @@ -2009,11 +2010,34 @@ static struct firmware snd_ymfpci_controller_1e_microcode = { .size = YDSXG_CTRLLENGTH, .data = (u8 *)CntrlInst1E, }; + +#ifdef __BIG_ENDIAN +static int microcode_swapped; +static DEFINE_MUTEX(microcode_swap); + +static void snd_ymfpci_convert_to_le(const struct firmware *fw) +{ + int i; + u32 *data = (u32 *)fw->data; + + for (i = 0; i < fw->size / 4; ++i) + cpu_to_le32s(&data[i]); +} #endif -#ifdef CONFIG_SND_YMFPCI_FIRMWARE_IN_KERNEL static int snd_ymfpci_request_firmware(struct snd_ymfpci *chip) { +#ifdef __BIG_ENDIAN + mutex_lock(µcode_swap); + if (!microcode_swapped) { + snd_ymfpci_convert_to_le(&snd_ymfpci_dsp_microcode); + snd_ymfpci_convert_to_le(&snd_ymfpci_controller_1e_microcode); + snd_ymfpci_convert_to_le(&snd_ymfpci_controller_microcode); + microcode_swapped = 1; + } + mutex_unlock(µcode_swap); +#endif + chip->dsp_microcode = &snd_ymfpci_dsp_microcode; if (chip->device_id == PCI_DEVICE_ID_YAMAHA_724F || chip->device_id == PCI_DEVICE_ID_YAMAHA_740C || @@ -2029,19 +2053,6 @@ static int snd_ymfpci_request_firmware(struct snd_ymfpci *chip) #else /* use fw_loader */ -#ifdef __LITTLE_ENDIAN -static inline void snd_ymfpci_convert_from_le(const struct firmware *fw) { } -#else -static void snd_ymfpci_convert_from_le(const struct firmware *fw) -{ - int i; - u32 *data = (u32 *)fw->data; - - for (i = 0; i < fw->size / 4; ++i) - le32_to_cpus(&data[i]); -} -#endif - static int snd_ymfpci_request_firmware(struct snd_ymfpci *chip) { int err, is_1e; @@ -2050,9 +2061,7 @@ static int snd_ymfpci_request_firmware(struct snd_ymfpci *chip) err = request_firmware(&chip->dsp_microcode, "yamaha/ds1_dsp.fw", &chip->pci->dev); if (err >= 0) { - if (chip->dsp_microcode->size == YDSXG_DSPLENGTH) - snd_ymfpci_convert_from_le(chip->dsp_microcode); - else { + if (chip->dsp_microcode->size != YDSXG_DSPLENGTH) { snd_printk(KERN_ERR "DSP microcode has wrong size\n"); err = -EINVAL; } @@ -2067,9 +2076,7 @@ static int snd_ymfpci_request_firmware(struct snd_ymfpci *chip) err = request_firmware(&chip->controller_microcode, name, &chip->pci->dev); if (err >= 0) { - if (chip->controller_microcode->size == YDSXG_CTRLLENGTH) - snd_ymfpci_convert_from_le(chip->controller_microcode); - else { + if (chip->controller_microcode->size != YDSXG_CTRLLENGTH) { snd_printk(KERN_ERR "controller microcode" " has wrong size\n"); err = -EINVAL; @@ -2090,7 +2097,7 @@ static void snd_ymfpci_download_image(struct snd_ymfpci *chip) { int i; u16 ctrl; - u32 *inst; + const __le32 *inst; snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0x00000000); snd_ymfpci_disable_dsp(chip); @@ -2105,14 +2112,16 @@ static void snd_ymfpci_download_image(struct snd_ymfpci *chip) snd_ymfpci_writew(chip, YDSXGR_GLOBALCTRL, ctrl & ~0x0007); /* setup DSP instruction code */ - inst = (u32 *)chip->dsp_microcode->data; + inst = (const __le32 *)chip->dsp_microcode->data; for (i = 0; i < YDSXG_DSPLENGTH / 4; i++) - snd_ymfpci_writel(chip, YDSXGR_DSPINSTRAM + (i << 2), inst[i]); + snd_ymfpci_writel(chip, YDSXGR_DSPINSTRAM + (i << 2), + le32_to_cpu(inst[i])); /* setup control instruction code */ - inst = (u32 *)chip->controller_microcode->data; + inst = (const __le32 *)chip->controller_microcode->data; for (i = 0; i < YDSXG_CTRLLENGTH / 4; i++) - snd_ymfpci_writel(chip, YDSXGR_CTRLINSTRAM + (i << 2), inst[i]); + snd_ymfpci_writel(chip, YDSXGR_CTRLINSTRAM + (i << 2), + le32_to_cpu(inst[i])); snd_ymfpci_enable_dsp(chip); } |
