diff options
Diffstat (limited to 'sound/pci/maestro3.c')
| -rw-r--r-- | sound/pci/maestro3.c | 79 |
1 files changed, 73 insertions, 6 deletions
diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c index 6efe6d5ade1..053ea4fdbff 100644 --- a/sound/pci/maestro3.c +++ b/sound/pci/maestro3.c @@ -41,6 +41,7 @@ #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/moduleparam.h> +#include <linux/firmware.h> #include <sound/core.h> #include <sound/info.h> #include <sound/control.h> @@ -48,6 +49,7 @@ #include <sound/mpu401.h> #include <sound/ac97_codec.h> #include <sound/initval.h> +#include <asm/byteorder.h> MODULE_AUTHOR("Zach Brown <zab@zabbo.net>, Takashi Iwai <tiwai@suse.de>"); MODULE_DESCRIPTION("ESS Maestro3 PCI"); @@ -864,6 +866,9 @@ struct snd_m3 { #ifdef CONFIG_PM u16 *suspend_mem; #endif + + const struct firmware *assp_kernel_image; + const struct firmware *assp_minisrc_image; }; /* @@ -2132,6 +2137,10 @@ static int __devinit snd_m3_mixer(struct snd_m3 *chip) } +#define FIRMWARE_IN_THE_KERNEL + +#ifdef FIRMWARE_IN_THE_KERNEL + /* * DSP Code images */ @@ -2260,6 +2269,30 @@ static const u16 assp_minisrc_image[] = { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, }; +static const struct firmware assp_kernel = { + .data = (u8 *)assp_kernel_image, + .size = sizeof assp_kernel_image +}; +static const struct firmware assp_minisrc = { + .data = (u8 *)assp_minisrc_image, + .size = sizeof assp_minisrc_image +}; + +#endif /* FIRMWARE_IN_THE_KERNEL */ + +#ifdef __LITTLE_ENDIAN +static inline void snd_m3_convert_from_le(const struct firmware *fw) { } +#else +static void snd_m3_convert_from_le(const struct firmware *fw) +{ + int i; + u16 *data = (u16 *)fw->data; + + for (i = 0; i < fw->size / 2; ++i) + le16_to_cpus(&data[i]); +} +#endif + /* * initialize ASSP @@ -2274,6 +2307,7 @@ static const u16 minisrc_lpf[MINISRC_LPF_LEN] = { static void snd_m3_assp_init(struct snd_m3 *chip) { unsigned int i; + u16 *data; /* zero kernel data */ for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++) @@ -2291,10 +2325,10 @@ static void snd_m3_assp_init(struct snd_m3 *chip) KDATA_DMA_XFER0); /* write kernel into code memory.. */ - for (i = 0 ; i < ARRAY_SIZE(assp_kernel_image); i++) { + data = (u16 *)chip->assp_kernel_image->data; + for (i = 0 ; i * 2 < chip->assp_kernel_image->size; i++) { snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, - REV_B_CODE_MEMORY_BEGIN + i, - assp_kernel_image[i]); + REV_B_CODE_MEMORY_BEGIN + i, data[i]); } /* @@ -2303,10 +2337,10 @@ static void snd_m3_assp_init(struct snd_m3 *chip) * drop it there. It seems that the minisrc doesn't * need vectors, so we won't bother with them.. */ - for (i = 0; i < ARRAY_SIZE(assp_minisrc_image); i++) { + data = (u16 *)chip->assp_minisrc_image->data; + for (i = 0; i * 2 < chip->assp_minisrc_image->size; i++) { snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, - 0x400 + i, - assp_minisrc_image[i]); + 0x400 + i, data[i]); } /* @@ -2553,6 +2587,15 @@ static int snd_m3_free(struct snd_m3 *chip) if (chip->iobase) pci_release_regions(chip->pci); +#ifdef FIRMWARE_IN_THE_KERNEL + if (chip->assp_kernel_image != &assp_kernel) +#endif + release_firmware(chip->assp_kernel_image); +#ifdef FIRMWARE_IN_THE_KERNEL + if (chip->assp_minisrc_image != &assp_minisrc) +#endif + release_firmware(chip->assp_minisrc_image); + pci_disable_device(chip->pci); kfree(chip); return 0; @@ -2744,6 +2787,30 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci, return -ENOMEM; } + err = request_firmware(&chip->assp_kernel_image, + "ess/maestro3_assp_kernel.fw", &pci->dev); + if (err < 0) { +#ifdef FIRMWARE_IN_THE_KERNEL + chip->assp_kernel_image = &assp_kernel; +#else + snd_m3_free(chip); + return err; +#endif + } else + snd_m3_convert_from_le(chip->assp_kernel_image); + + err = request_firmware(&chip->assp_minisrc_image, + "ess/maestro3_assp_minisrc.fw", &pci->dev); + if (err < 0) { +#ifdef FIRMWARE_IN_THE_KERNEL + chip->assp_minisrc_image = &assp_minisrc; +#else + snd_m3_free(chip); + return err; +#endif + } else + snd_m3_convert_from_le(chip->assp_minisrc_image); + if ((err = pci_request_regions(pci, card->driver)) < 0) { snd_m3_free(chip); return err; |