/*
* Driver for Digigram miXart soundcards
*
- * hwdep device manager
+ * DSP firmware management
*
* Copyright (c) 2003 by Digigram <alsa@digigram.com>
*
#include <sound/driver.h>
#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/firmware.h>
#include <asm/io.h>
#include <sound/core.h>
#include "mixart.h"
#include "mixart_hwdep.h"
-/* miXart hwdep interface id string */
-#define SND_MIXART_HWDEP_ID "miXart Loader"
-
-static int mixart_hwdep_open(snd_hwdep_t *hw, struct file *file)
-{
- return 0;
-}
-
-static int mixart_hwdep_release(snd_hwdep_t *hw, struct file *file)
-{
- return 0;
-}
-
/**
* wait for a value on a peudo register, exit with a timeout
*
u32 p_align;
};
-static int mixart_load_elf(mixart_mgr_t *mgr, snd_hwdep_dsp_image_t *dsp )
+static int mixart_load_elf(mixart_mgr_t *mgr, const struct firmware *dsp )
{
char elf32_magic_number[4] = {0x7f,'E','L','F'};
- snd_mixart_elf32_ehdr_t elf_header;
+ snd_mixart_elf32_ehdr_t *elf_header;
int i;
- if ( copy_from_user(&elf_header, dsp->image , sizeof(snd_mixart_elf32_ehdr_t)) )
- return -EFAULT;
-
+ elf_header = (snd_mixart_elf32_ehdr_t *)dsp->data;
for( i=0; i<4; i++ )
- if ( elf32_magic_number[i] != elf_header.e_ident[i] )
+ if ( elf32_magic_number[i] != elf_header->e_ident[i] )
return -EINVAL;
- if( elf_header.e_phoff != 0 ) {
+ if( elf_header->e_phoff != 0 ) {
snd_mixart_elf32_phdr_t elf_programheader;
- for( i=0; i < be16_to_cpu(elf_header.e_phnum); i++ ) {
- u32 pos = be32_to_cpu(elf_header.e_phoff) + (u32)(i * be16_to_cpu(elf_header.e_phentsize));
+ for( i=0; i < be16_to_cpu(elf_header->e_phnum); i++ ) {
+ u32 pos = be32_to_cpu(elf_header->e_phoff) + (u32)(i * be16_to_cpu(elf_header->e_phentsize));
- if( copy_from_user( &elf_programheader, dsp->image + pos, sizeof(elf_programheader) ) )
- return -EFAULT;
+ memcpy( &elf_programheader, dsp->data + pos, sizeof(elf_programheader) );
if(elf_programheader.p_type != 0) {
if( elf_programheader.p_filesz != 0 ) {
- if(copy_from_user_toio( MIXART_MEM( mgr, be32_to_cpu(elf_programheader.p_vaddr)),
- dsp->image + be32_to_cpu( elf_programheader.p_offset ),
- be32_to_cpu( elf_programheader.p_filesz )))
- return -EFAULT;
+ memcpy_toio( MIXART_MEM( mgr, be32_to_cpu(elf_programheader.p_vaddr)),
+ dsp->data + be32_to_cpu( elf_programheader.p_offset ),
+ be32_to_cpu( elf_programheader.p_filesz ));
}
}
}
return 0;
}
-static int mixart_hwdep_dsp_status(snd_hwdep_t *hw, snd_hwdep_dsp_status_t *info)
-{
- mixart_mgr_t *mgr = hw->private_data;
-
- strcpy(info->id, "miXart");
- info->num_dsps = MIXART_HARDW_FILES_MAX_INDEX;
-
- if (mgr->hwdep->dsp_loaded & (1 << MIXART_MOTHERBOARD_ELF_INDEX))
- info->chip_ready = 1;
-
- info->version = MIXART_DRIVER_VERSION;
- return 0;
-}
-
/*
* get basic information and init miXart
*/
/* firmware base addresses (when hard coded) */
#define MIXART_MOTHERBOARD_XLX_BASE_ADDRESS 0x00600000
-static int mixart_hwdep_dsp_load(snd_hwdep_t *hw, snd_hwdep_dsp_image_t *dsp)
+static int mixart_dsp_load(mixart_mgr_t* mgr, int index, const struct firmware *dsp)
{
- mixart_mgr_t* mgr = hw->private_data;
int err, card_index;
u32 status_xilinx, status_elf, status_daught;
u32 val;
return -EAGAIN; /* try again later */
}
- switch (dsp->index) {
+ switch (index) {
case MIXART_MOTHERBOARD_XLX_INDEX:
/* xilinx already loaded ? */
}
/* check xilinx validity */
- snd_assert(((u32*)(dsp->image))[0]==0xFFFFFFFF, return -EINVAL);
- snd_assert(dsp->length % 4 == 0, return -EINVAL);
+ snd_assert(((u32*)(dsp->data))[0]==0xFFFFFFFF, return -EINVAL);
+ snd_assert(dsp->size % 4 == 0, return -EINVAL);
/* set xilinx status to copying */
writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
/* setup xilinx base address */
writel_be( MIXART_MOTHERBOARD_XLX_BASE_ADDRESS, MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_BASE_ADDR_OFFSET ));
/* setup code size for xilinx file */
- writel_be( dsp->length, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_SIZE_OFFSET ));
+ writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_SIZE_OFFSET ));
/* copy xilinx code */
- if (copy_from_user_toio( MIXART_MEM( mgr, MIXART_MOTHERBOARD_XLX_BASE_ADDRESS), dsp->image, dsp->length))
- return -EFAULT;
+ memcpy_toio( MIXART_MEM( mgr, MIXART_MOTHERBOARD_XLX_BASE_ADDRESS), dsp->data, dsp->size);
/* set xilinx status to copy finished */
writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
/* process the copying of the elf packets */
- err = mixart_load_elf( mgr, dsp);
+ err = mixart_load_elf( mgr, dsp );
if (err < 0) return err;
/* set elf status to copy finished */
}
/* check daughterboard xilinx validity */
- snd_assert(((u32*)(dsp->image))[0]==0xFFFFFFFF, return -EINVAL);
- snd_assert(dsp->length % 4 == 0, return -EINVAL);
+ snd_assert(((u32*)(dsp->data))[0]==0xFFFFFFFF, return -EINVAL);
+ snd_assert(dsp->size % 4 == 0, return -EINVAL);
/* inform mixart about the size of the file */
- writel_be( dsp->length, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_SIZE_OFFSET ));
+ writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_SIZE_OFFSET ));
/* set daughterboard status to 1 */
writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
snd_assert(val != 0, return -EINVAL);
/* copy daughterboard xilinx code */
- if (copy_from_user_toio( MIXART_MEM( mgr, val), dsp->image, dsp->length))
- return -EFAULT;
+ memcpy_toio( MIXART_MEM( mgr, val), dsp->data, dsp->size);
/* set daughterboard status to 4 */
writel_be( 4, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
}
-int snd_mixart_hwdep_new(mixart_mgr_t *mgr)
+#if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
+#if !defined(CONFIG_USE_MIXARTLOADER) && !defined(CONFIG_SND_MIXART) /* built-in kernel */
+#define SND_MIXART_FW_LOADER /* use the standard firmware loader */
+#endif
+#endif
+
+#ifdef SND_MIXART_FW_LOADER
+
+int snd_mixart_setup_firmware(mixart_mgr_t *mgr)
+{
+ static char *fw_files[3] = {
+ "miXart8.xlx", "miXart8.elf", "miXart8AES.xlx"
+ };
+ char path[32];
+
+ const struct firmware *fw_entry;
+ int i, err;
+
+ for (i = 0; i < 3; i++) {
+ sprintf(path, "mixart/%s", fw_files[i]);
+ if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
+ snd_printk(KERN_ERR "miXart: can't load firmware %s\n", path);
+ return -ENOENT;
+ }
+ /* fake hwdep dsp record */
+ err = mixart_dsp_load(mgr, i, fw_entry);
+ release_firmware(fw_entry);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+
+#else /* old style firmware loading */
+
+/* miXart hwdep interface id string */
+#define SND_MIXART_HWDEP_ID "miXart Loader"
+
+static int mixart_hwdep_open(snd_hwdep_t *hw, struct file *file)
+{
+ return 0;
+}
+
+static int mixart_hwdep_release(snd_hwdep_t *hw, struct file *file)
+{
+ return 0;
+}
+
+static int mixart_hwdep_dsp_status(snd_hwdep_t *hw, snd_hwdep_dsp_status_t *info)
+{
+ mixart_mgr_t *mgr = hw->private_data;
+
+ strcpy(info->id, "miXart");
+ info->num_dsps = MIXART_HARDW_FILES_MAX_INDEX;
+
+ if (mgr->hwdep->dsp_loaded & (1 << MIXART_MOTHERBOARD_ELF_INDEX))
+ info->chip_ready = 1;
+
+ info->version = MIXART_DRIVER_VERSION;
+ return 0;
+}
+
+static int mixart_hwdep_dsp_load(snd_hwdep_t *hw, snd_hwdep_dsp_image_t *dsp)
+{
+ mixart_mgr_t* mgr = hw->private_data;
+ struct firmware fw;
+ int err;
+
+ fw.size = dsp->length;
+ fw.data = vmalloc(dsp->length);
+ if (! fw.data) {
+ snd_printk(KERN_ERR "miXart: cannot allocate image size %d\n",
+ (int)dsp->length);
+ return -ENOMEM;
+ }
+ if (copy_from_user(fw.data, dsp->image, dsp->length)) {
+ vfree(fw.data);
+ return -EFAULT;
+ }
+ err = mixart_dsp_load(mgr, dsp->index, &fw);
+ vfree(fw.data);
+ return err;
+}
+
+int snd_mixart_setup_firmware(mixart_mgr_t *mgr)
{
int err;
snd_hwdep_t *hw;
sprintf(hw->name, SND_MIXART_HWDEP_ID);
mgr->hwdep = hw;
mgr->hwdep->dsp_loaded = 0;
- return 0;
+
+ return snd_card_register(mgr->chip[0]->card);
}
+
+#endif /* SND_MIXART_FW_LOADER */
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