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-rw-r--r--sound/pci/emu10k1/Makefile6
-rw-r--r--sound/pci/emu10k1/emu10k1.c3
-rw-r--r--sound/pci/emu10k1/emu10k1_callback.c10
-rw-r--r--sound/pci/emu10k1/emu10k1_main.c225
-rw-r--r--sound/pci/emu10k1/emu10k1_patch.c209
-rw-r--r--sound/pci/emu10k1/emumixer.c18
-rw-r--r--sound/pci/emu10k1/emuproc.c9
-rw-r--r--sound/pci/emu10k1/io.c102
-rw-r--r--sound/pci/emu10k1/memory.c55
9 files changed, 324 insertions, 313 deletions
diff --git a/sound/pci/emu10k1/Makefile b/sound/pci/emu10k1/Makefile
index 17d5527be319..1f325abcb3ef 100644
--- a/sound/pci/emu10k1/Makefile
+++ b/sound/pci/emu10k1/Makefile
@@ -4,12 +4,12 @@
# Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
#
-snd-emu10k1-objs := emu10k1.o emu10k1_main.o \
+snd-emu10k1-y := emu10k1.o emu10k1_main.o \
irq.o memory.o voice.o emumpu401.o emupcm.o io.o \
emumixer.o emufx.o timer.o p16v.o
snd-emu10k1-$(CONFIG_SND_PROC_FS) += emuproc.o
-snd-emu10k1-synth-objs := emu10k1_synth.o emu10k1_callback.o emu10k1_patch.o
-snd-emu10k1x-objs := emu10k1x.o
+snd-emu10k1-synth-y := emu10k1_synth.o emu10k1_callback.o emu10k1_patch.o
+snd-emu10k1x-y := emu10k1x.o
# Toplevel Module Dependency
obj-$(CONFIG_SND_EMU10K1) += snd-emu10k1.o
diff --git a/sound/pci/emu10k1/emu10k1.c b/sound/pci/emu10k1/emu10k1.c
index fe72e7d77241..dadeda7758ce 100644
--- a/sound/pci/emu10k1/emu10k1.c
+++ b/sound/pci/emu10k1/emu10k1.c
@@ -189,8 +189,7 @@ static int snd_emu10k1_suspend(struct device *dev)
emu->suspend = 1;
- cancel_work_sync(&emu->emu1010.firmware_work);
- cancel_work_sync(&emu->emu1010.clock_work);
+ cancel_work_sync(&emu->emu1010.work);
snd_ac97_suspend(emu->ac97);
diff --git a/sound/pci/emu10k1/emu10k1_callback.c b/sound/pci/emu10k1/emu10k1_callback.c
index d36234b88fb4..ef26e4d3e2a3 100644
--- a/sound/pci/emu10k1/emu10k1_callback.c
+++ b/sound/pci/emu10k1/emu10k1_callback.c
@@ -255,7 +255,7 @@ lookup_voices(struct snd_emux *emu, struct snd_emu10k1 *hw,
/* check if sample is finished playing (non-looping only) */
if (bp != best + V_OFF && bp != best + V_FREE &&
(vp->reg.sample_mode & SNDRV_SFNT_SAMPLE_SINGLESHOT)) {
- val = snd_emu10k1_ptr_read(hw, CCCA_CURRADDR, vp->ch) - 64;
+ val = snd_emu10k1_ptr_read(hw, CCCA_CURRADDR, vp->ch) - 64 + 3;
if (val >= vp->reg.loopstart)
bp = best + V_OFF;
}
@@ -310,6 +310,7 @@ start_voice(struct snd_emux_voice *vp)
{
unsigned int temp;
int ch;
+ bool w_16;
u32 psst, dsl, map, ccca, vtarget;
unsigned int addr, mapped_offset;
struct snd_midi_channel *chan;
@@ -321,6 +322,7 @@ start_voice(struct snd_emux_voice *vp)
if (snd_BUG_ON(ch < 0))
return -EINVAL;
chan = vp->chan;
+ w_16 = !(vp->reg.sample_mode & SNDRV_SFNT_SAMPLE_8BITS);
emem = (struct snd_emu10k1_memblk *)vp->block;
if (emem == NULL)
@@ -330,7 +332,7 @@ start_voice(struct snd_emux_voice *vp)
/* dev_err(hw->card->devK, "emu: cannot map!\n"); */
return -ENOMEM;
}
- mapped_offset = snd_emu10k1_memblk_offset(emem) >> 1;
+ mapped_offset = snd_emu10k1_memblk_offset(emem) >> w_16;
vp->reg.start += mapped_offset;
vp->reg.end += mapped_offset;
vp->reg.loopstart += mapped_offset;
@@ -362,7 +364,7 @@ start_voice(struct snd_emux_voice *vp)
map = (hw->silent_page.addr << hw->address_mode) | (hw->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0);
- addr = vp->reg.start + 64;
+ addr = vp->reg.start + 64 - 3;
temp = vp->reg.parm.filterQ;
ccca = (temp << 28) | addr;
if (vp->apitch < 0xe400)
@@ -371,7 +373,7 @@ start_voice(struct snd_emux_voice *vp)
unsigned int shift = (vp->apitch - 0xe000) >> 10;
ccca |= shift << 25;
}
- if (vp->reg.sample_mode & SNDRV_SFNT_SAMPLE_8BITS)
+ if (!w_16)
ccca |= CCCA_8BITSELECT;
vtarget = (unsigned int)vp->vtarget << 16;
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index de5c41e578e1..5b8a5ba825bd 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -652,52 +652,6 @@ static int snd_emu10k1_cardbus_init(struct snd_emu10k1 *emu)
return 0;
}
-static int snd_emu1010_load_firmware_entry(struct snd_emu10k1 *emu,
- const struct firmware *fw_entry)
-{
- int n, i;
- u16 reg;
- u8 value;
- __always_unused u16 write_post;
-
- if (!fw_entry)
- return -EIO;
-
- /* The FPGA is a Xilinx Spartan IIE XC2S50E */
- /* On E-MU 0404b it is a Xilinx Spartan III XC3S50 */
- /* GPIO7 -> FPGA PGMN
- * GPIO6 -> FPGA CCLK
- * GPIO5 -> FPGA DIN
- * FPGA CONFIG OFF -> FPGA PGMN
- */
- spin_lock_irq(&emu->emu_lock);
- outw(0x00, emu->port + A_GPIO); /* Set PGMN low for 100uS. */
- write_post = inw(emu->port + A_GPIO);
- udelay(100);
- outw(0x80, emu->port + A_GPIO); /* Leave bit 7 set during netlist setup. */
- write_post = inw(emu->port + A_GPIO);
- udelay(100); /* Allow FPGA memory to clean */
- for (n = 0; n < fw_entry->size; n++) {
- value = fw_entry->data[n];
- for (i = 0; i < 8; i++) {
- reg = 0x80;
- if (value & 0x1)
- reg = reg | 0x20;
- value = value >> 1;
- outw(reg, emu->port + A_GPIO);
- write_post = inw(emu->port + A_GPIO);
- outw(reg | 0x40, emu->port + A_GPIO);
- write_post = inw(emu->port + A_GPIO);
- }
- }
- /* After programming, set GPIO bit 4 high again. */
- outw(0x10, emu->port + A_GPIO);
- write_post = inw(emu->port + A_GPIO);
- spin_unlock_irq(&emu->emu_lock);
-
- return 0;
-}
-
/* firmware file names, per model, init-fw and dock-fw (optional) */
static const char * const firmware_names[5][2] = {
[EMU_MODEL_EMU1010] = {
@@ -729,72 +683,68 @@ static int snd_emu1010_load_firmware(struct snd_emu10k1 *emu, int dock,
return err;
}
- return snd_emu1010_load_firmware_entry(emu, *fw);
+ snd_emu1010_load_firmware_entry(emu, dock, *fw);
+ return 0;
}
-static void emu1010_firmware_work(struct work_struct *work)
+static void snd_emu1010_load_dock_firmware(struct snd_emu10k1 *emu)
{
- struct snd_emu10k1 *emu;
- u32 tmp, tmp2, reg;
+ u32 tmp, tmp2;
int err;
- emu = container_of(work, struct snd_emu10k1,
- emu1010.firmware_work);
- if (emu->card->shutdown)
+ // The docking events clearly arrive prematurely - while the
+ // Dock's FPGA seems to be successfully programmed, the Dock
+ // fails to initialize subsequently if we don't give it some
+ // time to "warm up" here.
+ msleep(200);
+
+ dev_info(emu->card->dev, "emu1010: Loading Audio Dock Firmware\n");
+ err = snd_emu1010_load_firmware(emu, 1, &emu->dock_fw);
+ if (err < 0)
return;
-#ifdef CONFIG_PM_SLEEP
- if (emu->suspend)
+ snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, 0);
+
+ snd_emu1010_fpga_read(emu, EMU_HANA_ID, &tmp);
+ dev_dbg(emu->card->dev, "emu1010: EMU_HANA+DOCK_ID = 0x%x\n", tmp);
+ if ((tmp & 0x1f) != 0x15) {
+ /* FPGA failed to be programmed */
+ dev_err(emu->card->dev,
+ "emu1010: Loading Audio Dock Firmware failed, reg = 0x%x\n",
+ tmp);
return;
-#endif
+ }
+ dev_info(emu->card->dev, "emu1010: Audio Dock Firmware loaded\n");
+
+ snd_emu1010_fpga_read(emu, EMU_DOCK_MAJOR_REV, &tmp);
+ snd_emu1010_fpga_read(emu, EMU_DOCK_MINOR_REV, &tmp2);
+ dev_info(emu->card->dev, "Audio Dock ver: %u.%u\n", tmp, tmp2);
+
+ /* Allow DLL to settle, to sync clocking between 1010 and Dock */
+ msleep(10);
+}
+
+static void emu1010_dock_event(struct snd_emu10k1 *emu)
+{
+ u32 reg;
+
snd_emu1010_fpga_read(emu, EMU_HANA_OPTION_CARDS, &reg); /* OPTIONS: Which cards are attached to the EMU */
if (reg & EMU_HANA_OPTION_DOCK_OFFLINE) {
/* Audio Dock attached */
- /* Return to Audio Dock programming mode */
- dev_info(emu->card->dev,
- "emu1010: Loading Audio Dock Firmware\n");
- snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG,
- EMU_HANA_FPGA_CONFIG_AUDIODOCK);
- err = snd_emu1010_load_firmware(emu, 1, &emu->dock_fw);
- if (err < 0)
- return;
- snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, 0);
- snd_emu1010_fpga_read(emu, EMU_HANA_ID, &tmp);
- dev_info(emu->card->dev,
- "emu1010: EMU_HANA+DOCK_ID = 0x%x\n", tmp);
- if ((tmp & 0x1f) != 0x15) {
- /* FPGA failed to be programmed */
- dev_info(emu->card->dev,
- "emu1010: Loading Audio Dock Firmware file failed, reg = 0x%x\n",
- tmp);
- return;
- }
- dev_info(emu->card->dev,
- "emu1010: Audio Dock Firmware loaded\n");
- snd_emu1010_fpga_read(emu, EMU_DOCK_MAJOR_REV, &tmp);
- snd_emu1010_fpga_read(emu, EMU_DOCK_MINOR_REV, &tmp2);
- dev_info(emu->card->dev, "Audio Dock ver: %u.%u\n", tmp, tmp2);
- /* Sync clocking between 1010 and Dock */
- /* Allow DLL to settle */
- msleep(10);
+ snd_emu1010_load_dock_firmware(emu);
/* Unmute all. Default is muted after a firmware load */
snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE);
+ } else if (!(reg & EMU_HANA_OPTION_DOCK_ONLINE)) {
+ /* Audio Dock removed */
+ dev_info(emu->card->dev, "emu1010: Audio Dock detached\n");
+ /* The hardware auto-mutes all, so we unmute again */
+ snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE);
}
}
-static void emu1010_clock_work(struct work_struct *work)
+static void emu1010_clock_event(struct snd_emu10k1 *emu)
{
- struct snd_emu10k1 *emu;
struct snd_ctl_elem_id id;
- emu = container_of(work, struct snd_emu10k1,
- emu1010.clock_work);
- if (emu->card->shutdown)
- return;
-#ifdef CONFIG_PM_SLEEP
- if (emu->suspend)
- return;
-#endif
-
spin_lock_irq(&emu->reg_lock);
// This is the only thing that can actually happen.
emu->emu1010.clock_source = emu->emu1010.clock_fallback;
@@ -805,21 +755,44 @@ static void emu1010_clock_work(struct work_struct *work)
snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE, &id);
}
-static void emu1010_interrupt(struct snd_emu10k1 *emu)
+static void emu1010_work(struct work_struct *work)
{
+ struct snd_emu10k1 *emu;
u32 sts;
+ emu = container_of(work, struct snd_emu10k1, emu1010.work);
+ if (emu->card->shutdown)
+ return;
+#ifdef CONFIG_PM_SLEEP
+ if (emu->suspend)
+ return;
+#endif
+
+ snd_emu1010_fpga_lock(emu);
+
snd_emu1010_fpga_read(emu, EMU_HANA_IRQ_STATUS, &sts);
- if (sts & EMU_HANA_IRQ_DOCK_LOST) {
- /* Audio Dock removed */
- dev_info(emu->card->dev, "emu1010: Audio Dock detached\n");
- /* The hardware auto-mutes all, so we unmute again */
- snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE);
- } else if (sts & EMU_HANA_IRQ_DOCK) {
- schedule_work(&emu->emu1010.firmware_work);
- }
+
+ // The distinction of the IRQ status bits is unreliable,
+ // so we dispatch later based on option card status.
+ if (sts & (EMU_HANA_IRQ_DOCK | EMU_HANA_IRQ_DOCK_LOST))
+ emu1010_dock_event(emu);
+
if (sts & EMU_HANA_IRQ_WCLK_CHANGED)
- schedule_work(&emu->emu1010.clock_work);
+ emu1010_clock_event(emu);
+
+ snd_emu1010_fpga_unlock(emu);
+}
+
+static void emu1010_interrupt(struct snd_emu10k1 *emu)
+{
+ // We get an interrupt on each GPIO input pin change, but we
+ // care only about the ones triggered by the dedicated pin.
+ u16 sts = inw(emu->port + A_GPIO);
+ u16 bit = emu->card_capabilities->ca0108_chip ? 0x2000 : 0x8000;
+ if (!(sts & bit))
+ return;
+
+ schedule_work(&emu->emu1010.work);
}
/*
@@ -841,32 +814,13 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
* Proper init follows in snd_emu10k1_init(). */
outl(HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK, emu->port + HCFG);
- /* Disable 48Volt power to Audio Dock */
- snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_PWR, 0);
-
- /* ID, should read & 0x7f = 0x55. (Bit 7 is the IRQ bit) */
- snd_emu1010_fpga_read(emu, EMU_HANA_ID, &reg);
- dev_dbg(emu->card->dev, "reg1 = 0x%x\n", reg);
- if ((reg & 0x3f) == 0x15) {
- /* FPGA netlist already present so clear it */
- /* Return to programming mode */
-
- snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, EMU_HANA_FPGA_CONFIG_HANA);
- }
- snd_emu1010_fpga_read(emu, EMU_HANA_ID, &reg);
- dev_dbg(emu->card->dev, "reg2 = 0x%x\n", reg);
- if ((reg & 0x3f) == 0x15) {
- /* FPGA failed to return to programming mode */
- dev_info(emu->card->dev,
- "emu1010: FPGA failed to return to programming mode\n");
- return -ENODEV;
- }
- dev_info(emu->card->dev, "emu1010: EMU_HANA_ID = 0x%x\n", reg);
+ snd_emu1010_fpga_lock(emu);
+ dev_info(emu->card->dev, "emu1010: Loading Hana Firmware\n");
err = snd_emu1010_load_firmware(emu, 0, &emu->firmware);
if (err < 0) {
dev_info(emu->card->dev, "emu1010: Loading Firmware failed\n");
- return err;
+ goto fail;
}
/* ID, should read & 0x7f = 0x55 when FPGA programmed. */
@@ -876,7 +830,8 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
dev_info(emu->card->dev,
"emu1010: Loading Hana Firmware file failed, reg = 0x%x\n",
reg);
- return -ENODEV;
+ err = -ENODEV;
+ goto fail;
}
dev_info(emu->card->dev, "emu1010: Hana Firmware loaded\n");
@@ -889,7 +844,7 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
snd_emu1010_fpga_read(emu, EMU_HANA_OPTION_CARDS, &reg);
dev_info(emu->card->dev, "emu1010: Card options = 0x%x\n", reg);
if (reg & EMU_HANA_OPTION_DOCK_OFFLINE)
- schedule_work(&emu->emu1010.firmware_work);
+ snd_emu1010_load_dock_firmware(emu);
if (emu->card_capabilities->no_adat) {
emu->emu1010.optical_in = 0; /* IN_SPDIF */
emu->emu1010.optical_out = 0; /* OUT_SPDIF */
@@ -936,7 +891,9 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
// so it is safe to simply enable the outputs.
snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE);
- return 0;
+fail:
+ snd_emu1010_fpga_unlock(emu);
+ return err;
}
/*
* Create the EMU10K1 instance
@@ -958,10 +915,10 @@ static void snd_emu10k1_free(struct snd_card *card)
}
if (emu->card_capabilities->emu_model == EMU_MODEL_EMU1010) {
/* Disable 48Volt power to Audio Dock */
- snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_PWR, 0);
+ snd_emu1010_fpga_write_lock(emu, EMU_HANA_DOCK_PWR, 0);
}
- cancel_work_sync(&emu->emu1010.firmware_work);
- cancel_work_sync(&emu->emu1010.clock_work);
+ cancel_work_sync(&emu->emu1010.work);
+ mutex_destroy(&emu->emu1010.lock);
release_firmware(emu->firmware);
release_firmware(emu->dock_fw);
snd_util_memhdr_free(emu->memhdr);
@@ -1540,8 +1497,8 @@ int snd_emu10k1_create(struct snd_card *card,
emu->irq = -1;
emu->synth = NULL;
emu->get_synth_voice = NULL;
- INIT_WORK(&emu->emu1010.firmware_work, emu1010_firmware_work);
- INIT_WORK(&emu->emu1010.clock_work, emu1010_clock_work);
+ INIT_WORK(&emu->emu1010.work, emu1010_work);
+ mutex_init(&emu->emu1010.lock);
/* read revision & serial */
emu->revision = pci->revision;
pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &emu->serial);
diff --git a/sound/pci/emu10k1/emu10k1_patch.c b/sound/pci/emu10k1/emu10k1_patch.c
index 89890f24509f..dbfa89435ac2 100644
--- a/sound/pci/emu10k1/emu10k1_patch.c
+++ b/sound/pci/emu10k1/emu10k1_patch.c
@@ -16,7 +16,7 @@
#define BLANK_LOOP_START 4
#define BLANK_LOOP_END 8
#define BLANK_LOOP_SIZE 12
-#define BLANK_HEAD_SIZE 32
+#define BLANK_HEAD_SIZE 3
/*
* allocate a sample block and copy data from userspace
@@ -26,56 +26,76 @@ snd_emu10k1_sample_new(struct snd_emux *rec, struct snd_sf_sample *sp,
struct snd_util_memhdr *hdr,
const void __user *data, long count)
{
+ u8 fill;
+ u32 xor;
+ int shift;
int offset;
int truesize, size, blocksize;
- __maybe_unused int loopsize;
- int loopend, sampleend;
- unsigned int start_addr;
+ int loop_start, loop_end, loop_size, data_end, unroll;
struct snd_emu10k1 *emu;
emu = rec->hw;
if (snd_BUG_ON(!sp || !hdr))
return -EINVAL;
- if (sp->v.size == 0) {
- dev_dbg(emu->card->dev,
- "emu: rom font for sample %d\n", sp->v.sample);
- return 0;
+ if (sp->v.mode_flags & (SNDRV_SFNT_SAMPLE_BIDIR_LOOP | SNDRV_SFNT_SAMPLE_REVERSE_LOOP)) {
+ /* should instead return -ENOTSUPP; but compatibility */
+ printk(KERN_WARNING "Emu10k1 wavetable patch %d with unsupported loop feature\n",
+ sp->v.sample);
}
- /* recalculate address offset */
- sp->v.end -= sp->v.start;
- sp->v.loopstart -= sp->v.start;
- sp->v.loopend -= sp->v.start;
- sp->v.start = 0;
-
- /* some samples have invalid data. the addresses are corrected in voice info */
- sampleend = sp->v.end;
- if (sampleend > sp->v.size)
- sampleend = sp->v.size;
- loopend = sp->v.loopend;
- if (loopend > sampleend)
- loopend = sampleend;
-
- /* be sure loop points start < end */
- if (sp->v.loopstart >= sp->v.loopend)
- swap(sp->v.loopstart, sp->v.loopend);
+ if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS) {
+ shift = 0;
+ fill = 0x80;
+ xor = (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_UNSIGNED) ? 0 : 0x80808080;
+ } else {
+ shift = 1;
+ fill = 0;
+ xor = (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_UNSIGNED) ? 0x80008000 : 0;
+ }
/* compute true data size to be loaded */
truesize = sp->v.size + BLANK_HEAD_SIZE;
- loopsize = 0;
-#if 0 /* not supported */
- if (sp->v.mode_flags & (SNDRV_SFNT_SAMPLE_BIDIR_LOOP|SNDRV_SFNT_SAMPLE_REVERSE_LOOP))
- loopsize = sp->v.loopend - sp->v.loopstart;
- truesize += loopsize;
-#endif
- if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_NO_BLANK)
+ if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_NO_BLANK) {
truesize += BLANK_LOOP_SIZE;
+ /* if no blank loop is attached in the sample, add it */
+ if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_SINGLESHOT) {
+ sp->v.loopstart = sp->v.end + BLANK_LOOP_START;
+ sp->v.loopend = sp->v.end + BLANK_LOOP_END;
+ }
+ }
+
+ loop_start = sp->v.loopstart;
+ loop_end = sp->v.loopend;
+ loop_size = loop_end - loop_start;
+ if (!loop_size)
+ return -EINVAL;
+ data_end = sp->v.end;
+
+ /* recalculate offset */
+ sp->v.start += BLANK_HEAD_SIZE;
+ sp->v.end += BLANK_HEAD_SIZE;
+ sp->v.loopstart += BLANK_HEAD_SIZE;
+ sp->v.loopend += BLANK_HEAD_SIZE;
+
+ // Automatic pre-filling of the cache does not work in the presence
+ // of loops (*), and we don't want to fill it manually, as that is
+ // fiddly and slow. So we unroll the loop until the loop end is
+ // beyond the cache size.
+ // (*) Strictly speaking, a single iteration is supported (that's
+ // how it works when the playback engine runs), but handling this
+ // special case is not worth it.
+ unroll = 0;
+ while (sp->v.loopend < 64) {
+ truesize += loop_size;
+ sp->v.loopstart += loop_size;
+ sp->v.loopend += loop_size;
+ sp->v.end += loop_size;
+ unroll++;
+ }
/* try to allocate a memory block */
- blocksize = truesize;
- if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS))
- blocksize *= 2;
+ blocksize = truesize << shift;
sp->block = snd_emu10k1_synth_alloc(emu, blocksize);
if (sp->block == NULL) {
dev_dbg(emu->card->dev,
@@ -88,110 +108,43 @@ snd_emu10k1_sample_new(struct snd_emux *rec, struct snd_sf_sample *sp,
/* write blank samples at head */
offset = 0;
- size = BLANK_HEAD_SIZE;
- if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS))
- size *= 2;
- if (offset + size > blocksize)
- return -EINVAL;
- snd_emu10k1_synth_bzero(emu, sp->block, offset, size);
- offset += size;
-
- /* copy start->loopend */
- size = loopend;
- if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS))
- size *= 2;
- if (offset + size > blocksize)
- return -EINVAL;
- if (snd_emu10k1_synth_copy_from_user(emu, sp->block, offset, data, size)) {
- snd_emu10k1_synth_free(emu, sp->block);
- sp->block = NULL;
- return -EFAULT;
- }
+ size = BLANK_HEAD_SIZE << shift;
+ snd_emu10k1_synth_memset(emu, sp->block, offset, size, fill);
offset += size;
- data += size;
-
-#if 0 /* not supported yet */
- /* handle reverse (or bidirectional) loop */
- if (sp->v.mode_flags & (SNDRV_SFNT_SAMPLE_BIDIR_LOOP|SNDRV_SFNT_SAMPLE_REVERSE_LOOP)) {
- /* copy loop in reverse */
- if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS)) {
- int woffset;
- unsigned short *wblock = (unsigned short*)block;
- woffset = offset / 2;
- if (offset + loopsize * 2 > blocksize)
- return -EINVAL;
- for (i = 0; i < loopsize; i++)
- wblock[woffset + i] = wblock[woffset - i -1];
- offset += loopsize * 2;
- } else {
- if (offset + loopsize > blocksize)
- return -EINVAL;
- for (i = 0; i < loopsize; i++)
- block[offset + i] = block[offset - i -1];
- offset += loopsize;
- }
- /* modify loop pointers */
- if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_BIDIR_LOOP) {
- sp->v.loopend += loopsize;
- } else {
- sp->v.loopstart += loopsize;
- sp->v.loopend += loopsize;
+ /* copy provided samples */
+ if (unroll && loop_end <= data_end) {
+ size = loop_end << shift;
+ if (snd_emu10k1_synth_copy_from_user(emu, sp->block, offset, data, size, xor))
+ goto faulty;
+ offset += size;
+
+ data += loop_start << shift;
+ while (--unroll > 0) {
+ size = loop_size << shift;
+ if (snd_emu10k1_synth_copy_from_user(emu, sp->block, offset, data, size, xor))
+ goto faulty;
+ offset += size;
}
- /* add sample pointer */
- sp->v.end += loopsize;
- }
-#endif
- /* loopend -> sample end */
- size = sp->v.size - loopend;
- if (size < 0)
- return -EINVAL;
- if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS))
- size *= 2;
- if (snd_emu10k1_synth_copy_from_user(emu, sp->block, offset, data, size)) {
- snd_emu10k1_synth_free(emu, sp->block);
- sp->block = NULL;
- return -EFAULT;
+ size = (data_end - loop_start) << shift;
+ } else {
+ size = data_end << shift;
}
+ if (snd_emu10k1_synth_copy_from_user(emu, sp->block, offset, data, size, xor))
+ goto faulty;
offset += size;
/* clear rest of samples (if any) */
if (offset < blocksize)
- snd_emu10k1_synth_bzero(emu, sp->block, offset, blocksize - offset);
-
- if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_NO_BLANK) {
- /* if no blank loop is attached in the sample, add it */
- if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_SINGLESHOT) {
- sp->v.loopstart = sp->v.end + BLANK_LOOP_START;
- sp->v.loopend = sp->v.end + BLANK_LOOP_END;
- }
- }
-
-#if 0 /* not supported yet */
- if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_UNSIGNED) {
- /* unsigned -> signed */
- if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS)) {
- unsigned short *wblock = (unsigned short*)block;
- for (i = 0; i < truesize; i++)
- wblock[i] ^= 0x8000;
- } else {
- for (i = 0; i < truesize; i++)
- block[i] ^= 0x80;
- }
- }
-#endif
-
- /* recalculate offset */
- start_addr = BLANK_HEAD_SIZE * 2;
- if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS))
- start_addr >>= 1;
- sp->v.start += start_addr;
- sp->v.end += start_addr;
- sp->v.loopstart += start_addr;
- sp->v.loopend += start_addr;
+ snd_emu10k1_synth_memset(emu, sp->block, offset, blocksize - offset, fill);
return 0;
+
+faulty:
+ snd_emu10k1_synth_free(emu, sp->block);
+ sp->block = NULL;
+ return -EFAULT;
}
/*
diff --git a/sound/pci/emu10k1/emumixer.c b/sound/pci/emu10k1/emumixer.c
index 0a32ea53d8c6..05b98d9b547b 100644
--- a/sound/pci/emu10k1/emumixer.c
+++ b/sound/pci/emu10k1/emumixer.c
@@ -661,7 +661,9 @@ static int snd_emu1010_output_source_put(struct snd_kcontrol *kcontrol,
change = (emu->emu1010.output_source[channel] != val);
if (change) {
emu->emu1010.output_source[channel] = val;
+ snd_emu1010_fpga_lock(emu);
snd_emu1010_output_source_apply(emu, channel, val);
+ snd_emu1010_fpga_unlock(emu);
}
return change;
}
@@ -705,7 +707,9 @@ static int snd_emu1010_input_source_put(struct snd_kcontrol *kcontrol,
change = (emu->emu1010.input_source[channel] != val);
if (change) {
emu->emu1010.input_source[channel] = val;
+ snd_emu1010_fpga_lock(emu);
snd_emu1010_input_source_apply(emu, channel, val);
+ snd_emu1010_fpga_unlock(emu);
}
return change;
}
@@ -774,7 +778,7 @@ static int snd_emu1010_adc_pads_put(struct snd_kcontrol *kcontrol, struct snd_ct
cache = cache & ~mask;
change = (cache != emu->emu1010.adc_pads);
if (change) {
- snd_emu1010_fpga_write(emu, EMU_HANA_ADC_PADS, cache );
+ snd_emu1010_fpga_write_lock(emu, EMU_HANA_ADC_PADS, cache );
emu->emu1010.adc_pads = cache;
}
@@ -832,7 +836,7 @@ static int snd_emu1010_dac_pads_put(struct snd_kcontrol *kcontrol, struct snd_ct
cache = cache & ~mask;
change = (cache != emu->emu1010.dac_pads);
if (change) {
- snd_emu1010_fpga_write(emu, EMU_HANA_DAC_PADS, cache );
+ snd_emu1010_fpga_write_lock(emu, EMU_HANA_DAC_PADS, cache );
emu->emu1010.dac_pads = cache;
}
@@ -980,6 +984,7 @@ static int snd_emu1010_clock_source_put(struct snd_kcontrol *kcontrol,
val = ucontrol->value.enumerated.item[0] ;
if (val >= emu_ci->num)
return -EINVAL;
+ snd_emu1010_fpga_lock(emu);
spin_lock_irq(&emu->reg_lock);
change = (emu->emu1010.clock_source != val);
if (change) {
@@ -996,6 +1001,7 @@ static int snd_emu1010_clock_source_put(struct snd_kcontrol *kcontrol,
} else {
spin_unlock_irq(&emu->reg_lock);
}
+ snd_emu1010_fpga_unlock(emu);
return change;
}
@@ -1041,7 +1047,7 @@ static int snd_emu1010_clock_fallback_put(struct snd_kcontrol *kcontrol,
change = (emu->emu1010.clock_fallback != val);
if (change) {
emu->emu1010.clock_fallback = val;
- snd_emu1010_fpga_write(emu, EMU_HANA_DEFCLOCK, 1 - val);
+ snd_emu1010_fpga_write_lock(emu, EMU_HANA_DEFCLOCK, 1 - val);
}
return change;
}
@@ -1093,7 +1099,7 @@ static int snd_emu1010_optical_out_put(struct snd_kcontrol *kcontrol,
emu->emu1010.optical_out = val;
tmp = (emu->emu1010.optical_in ? EMU_HANA_OPTICAL_IN_ADAT : EMU_HANA_OPTICAL_IN_SPDIF) |
(emu->emu1010.optical_out ? EMU_HANA_OPTICAL_OUT_ADAT : EMU_HANA_OPTICAL_OUT_SPDIF);
- snd_emu1010_fpga_write(emu, EMU_HANA_OPTICAL_TYPE, tmp);
+ snd_emu1010_fpga_write_lock(emu, EMU_HANA_OPTICAL_TYPE, tmp);
}
return change;
}
@@ -1144,7 +1150,7 @@ static int snd_emu1010_optical_in_put(struct snd_kcontrol *kcontrol,
emu->emu1010.optical_in = val;
tmp = (emu->emu1010.optical_in ? EMU_HANA_OPTICAL_IN_ADAT : EMU_HANA_OPTICAL_IN_SPDIF) |
(emu->emu1010.optical_out ? EMU_HANA_OPTICAL_OUT_ADAT : EMU_HANA_OPTICAL_OUT_SPDIF);
- snd_emu1010_fpga_write(emu, EMU_HANA_OPTICAL_TYPE, tmp);
+ snd_emu1010_fpga_write_lock(emu, EMU_HANA_OPTICAL_TYPE, tmp);
}
return change;
}
@@ -2323,7 +2329,9 @@ int snd_emu10k1_mixer(struct snd_emu10k1 *emu,
for (i = 0; i < emu_ri->n_outs; i++)
emu->emu1010.output_source[i] =
emu1010_map_source(emu_ri, emu_ri->out_dflts[i]);
+ snd_emu1010_fpga_lock(emu);
snd_emu1010_apply_sources(emu);
+ snd_emu1010_fpga_unlock(emu);
kctl = emu->ctl_clock_source = snd_ctl_new1(&snd_emu1010_clock_source, emu);
err = snd_ctl_add(card, kctl);
diff --git a/sound/pci/emu10k1/emuproc.c b/sound/pci/emu10k1/emuproc.c
index 2f80fd91017c..737c28d31b41 100644
--- a/sound/pci/emu10k1/emuproc.c
+++ b/sound/pci/emu10k1/emuproc.c
@@ -165,6 +165,8 @@ static void snd_emu10k1_proc_spdif_read(struct snd_info_entry *entry,
u32 value2;
if (emu->card_capabilities->emu_model) {
+ snd_emu1010_fpga_lock(emu);
+
// This represents the S/PDIF lock status on 0404b, which is
// kinda weird and unhelpful, because monitoring it via IRQ is
// impractical (one gets an IRQ flood as long as it is desynced).
@@ -197,6 +199,8 @@ static void snd_emu10k1_proc_spdif_read(struct snd_info_entry *entry,
snd_iprintf(buffer, "\nS/PDIF mode: %s%s\n",
value & EMU_HANA_SPDIF_MODE_RX_PRO ? "professional" : "consumer",
value & EMU_HANA_SPDIF_MODE_RX_NOCOPY ? ", no copy" : "");
+
+ snd_emu1010_fpga_unlock(emu);
} else {
snd_emu10k1_proc_spdif_status(emu, buffer, "CD-ROM S/PDIF In", CDCS, CDSRCS);
snd_emu10k1_proc_spdif_status(emu, buffer, "Optical or Coax S/PDIF In", GPSCS, GPSRCS);
@@ -458,6 +462,9 @@ static void snd_emu_proc_emu1010_reg_read(struct snd_info_entry *entry,
struct snd_emu10k1 *emu = entry->private_data;
u32 value;
int i;
+
+ snd_emu1010_fpga_lock(emu);
+
snd_iprintf(buffer, "EMU1010 Registers:\n\n");
for(i = 0; i < 0x40; i+=1) {
@@ -496,6 +503,8 @@ static void snd_emu_proc_emu1010_reg_read(struct snd_info_entry *entry,
snd_emu_proc_emu1010_link_read(emu, buffer, 0x701);
}
}
+
+ snd_emu1010_fpga_unlock(emu);
}
static void snd_emu_proc_io_reg_read(struct snd_info_entry *entry,
diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c
index 74df2330015f..b60ab5671e00 100644
--- a/sound/pci/emu10k1/io.c
+++ b/sound/pci/emu10k1/io.c
@@ -285,24 +285,33 @@ static void snd_emu1010_fpga_write_locked(struct snd_emu10k1 *emu, u32 reg, u32
outw(value, emu->port + A_GPIO);
udelay(10);
outw(value | 0x80 , emu->port + A_GPIO); /* High bit clocks the value into the fpga. */
+ udelay(10);
}
void snd_emu1010_fpga_write(struct snd_emu10k1 *emu, u32 reg, u32 value)
{
- unsigned long flags;
+ if (snd_BUG_ON(!mutex_is_locked(&emu->emu1010.lock)))
+ return;
+ snd_emu1010_fpga_write_locked(emu, reg, value);
+}
- spin_lock_irqsave(&emu->emu_lock, flags);
+void snd_emu1010_fpga_write_lock(struct snd_emu10k1 *emu, u32 reg, u32 value)
+{
+ snd_emu1010_fpga_lock(emu);
snd_emu1010_fpga_write_locked(emu, reg, value);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
+ snd_emu1010_fpga_unlock(emu);
}
-static void snd_emu1010_fpga_read_locked(struct snd_emu10k1 *emu, u32 reg, u32 *value)
+void snd_emu1010_fpga_read(struct snd_emu10k1 *emu, u32 reg, u32 *value)
{
// The higest input pin is used as the designated interrupt trigger,
// so it needs to be masked out.
// But note that any other input pin change will also cause an IRQ,
// so using this function often causes an IRQ as a side effect.
u32 mask = emu->card_capabilities->ca0108_chip ? 0x1f : 0x7f;
+
+ if (snd_BUG_ON(!mutex_is_locked(&emu->emu1010.lock)))
+ return;
if (snd_BUG_ON(reg > 0x3f))
return;
reg += 0x40; /* 0x40 upwards are registers. */
@@ -313,47 +322,31 @@ static void snd_emu1010_fpga_read_locked(struct snd_emu10k1 *emu, u32 reg, u32 *
*value = ((inw(emu->port + A_GPIO) >> 8) & mask);
}
-void snd_emu1010_fpga_read(struct snd_emu10k1 *emu, u32 reg, u32 *value)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&emu->emu_lock, flags);
- snd_emu1010_fpga_read_locked(emu, reg, value);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
-}
-
/* Each Destination has one and only one Source,
* but one Source can feed any number of Destinations simultaneously.
*/
void snd_emu1010_fpga_link_dst_src_write(struct snd_emu10k1 *emu, u32 dst, u32 src)
{
- unsigned long flags;
-
if (snd_BUG_ON(dst & ~0x71f))
return;
if (snd_BUG_ON(src & ~0x71f))
return;
- spin_lock_irqsave(&emu->emu_lock, flags);
- snd_emu1010_fpga_write_locked(emu, EMU_HANA_DESTHI, dst >> 8);
- snd_emu1010_fpga_write_locked(emu, EMU_HANA_DESTLO, dst & 0x1f);
- snd_emu1010_fpga_write_locked(emu, EMU_HANA_SRCHI, src >> 8);
- snd_emu1010_fpga_write_locked(emu, EMU_HANA_SRCLO, src & 0x1f);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
+ snd_emu1010_fpga_write(emu, EMU_HANA_DESTHI, dst >> 8);
+ snd_emu1010_fpga_write(emu, EMU_HANA_DESTLO, dst & 0x1f);
+ snd_emu1010_fpga_write(emu, EMU_HANA_SRCHI, src >> 8);
+ snd_emu1010_fpga_write(emu, EMU_HANA_SRCLO, src & 0x1f);
}
u32 snd_emu1010_fpga_link_dst_src_read(struct snd_emu10k1 *emu, u32 dst)
{
- unsigned long flags;
u32 hi, lo;
if (snd_BUG_ON(dst & ~0x71f))
return 0;
- spin_lock_irqsave(&emu->emu_lock, flags);
- snd_emu1010_fpga_write_locked(emu, EMU_HANA_DESTHI, dst >> 8);
- snd_emu1010_fpga_write_locked(emu, EMU_HANA_DESTLO, dst & 0x1f);
- snd_emu1010_fpga_read_locked(emu, EMU_HANA_SRCHI, &hi);
- snd_emu1010_fpga_read_locked(emu, EMU_HANA_SRCLO, &lo);
- spin_unlock_irqrestore(&emu->emu_lock, flags);
+ snd_emu1010_fpga_write(emu, EMU_HANA_DESTHI, dst >> 8);
+ snd_emu1010_fpga_write(emu, EMU_HANA_DESTLO, dst & 0x1f);
+ snd_emu1010_fpga_read(emu, EMU_HANA_SRCHI, &hi);
+ snd_emu1010_fpga_read(emu, EMU_HANA_SRCLO, &lo);
return (hi << 8) | lo;
}
@@ -429,6 +422,59 @@ void snd_emu1010_update_clock(struct snd_emu10k1 *emu)
snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_LEDS_2, leds);
}
+void snd_emu1010_load_firmware_entry(struct snd_emu10k1 *emu, int dock,
+ const struct firmware *fw_entry)
+{
+ __always_unused u16 write_post;
+
+ // On E-MU 1010 rev1 the FPGA is a Xilinx Spartan IIE XC2S50E.
+ // On E-MU 0404b it is a Xilinx Spartan III XC3S50.
+ // The wiring is as follows:
+ // GPO7 -> FPGA input & 1K resistor -> FPGA /PGMN <- FPGA output
+ // In normal operation, the active low reset line is held up by
+ // an FPGA output, while the GPO pin performs its duty as control
+ // register access strobe signal. Writing the respective bit to
+ // EMU_HANA_FPGA_CONFIG puts the FPGA output into high-Z mode, at
+ // which point the GPO pin can control the reset line through the
+ // resistor.
+ // GPO6 -> FPGA CCLK & FPGA input
+ // GPO5 -> FPGA DIN (dual function)
+
+ // If the FPGA is already programmed, return it to programming mode
+ snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG,
+ dock ? EMU_HANA_FPGA_CONFIG_AUDIODOCK :
+ EMU_HANA_FPGA_CONFIG_HANA);
+
+ // Assert reset line for 100uS
+ outw(0x00, emu->port + A_GPIO);
+ write_post = inw(emu->port + A_GPIO);
+ udelay(100);
+ outw(0x80, emu->port + A_GPIO);
+ write_post = inw(emu->port + A_GPIO);
+ udelay(100); // Allow FPGA memory to clean
+
+ // Upload the netlist. Keep reset line high!
+ for (int n = 0; n < fw_entry->size; n++) {
+ u8 value = fw_entry->data[n];
+ for (int i = 0; i < 8; i++) {
+ u16 reg = 0x80;
+ if (value & 1)
+ reg |= 0x20;
+ value >>= 1;
+ outw(reg, emu->port + A_GPIO);
+ write_post = inw(emu->port + A_GPIO);
+ outw(reg | 0x40, emu->port + A_GPIO);
+ write_post = inw(emu->port + A_GPIO);
+ }
+ }
+
+ // After programming, set GPIO bit 4 high again.
+ // This appears to be a config word that the rev1 Hana
+ // firmware reads; weird things happen without this.
+ outw(0x10, emu->port + A_GPIO);
+ write_post = inw(emu->port + A_GPIO);
+}
+
void snd_emu10k1_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb)
{
unsigned long flags;
diff --git a/sound/pci/emu10k1/memory.c b/sound/pci/emu10k1/memory.c
index 20b07117574b..d29711777161 100644
--- a/sound/pci/emu10k1/memory.c
+++ b/sound/pci/emu10k1/memory.c
@@ -565,15 +565,18 @@ static inline void *offset_ptr(struct snd_emu10k1 *emu, int page, int offset)
}
/*
- * bzero(blk + offset, size)
+ * memset(blk + offset, value, size)
*/
-int snd_emu10k1_synth_bzero(struct snd_emu10k1 *emu, struct snd_util_memblk *blk,
- int offset, int size)
+int snd_emu10k1_synth_memset(struct snd_emu10k1 *emu, struct snd_util_memblk *blk,
+ int offset, int size, u8 value)
{
int page, nextofs, end_offset, temp, temp1;
void *ptr;
struct snd_emu10k1_memblk *p = (struct snd_emu10k1_memblk *)blk;
+ if (snd_BUG_ON(offset + size > p->mem.size))
+ return -EFAULT;
+
offset += blk->offset & (PAGE_SIZE - 1);
end_offset = offset + size;
page = get_aligned_page(offset);
@@ -585,25 +588,55 @@ int snd_emu10k1_synth_bzero(struct snd_emu10k1 *emu, struct snd_util_memblk *blk
temp = temp1;
ptr = offset_ptr(emu, page + p->first_page, offset);
if (ptr)
- memset(ptr, 0, temp);
+ memset(ptr, value, temp);
offset = nextofs;
page++;
} while (offset < end_offset);
return 0;
}
-EXPORT_SYMBOL(snd_emu10k1_synth_bzero);
+EXPORT_SYMBOL(snd_emu10k1_synth_memset);
+
+// Note that the value is assumed to be suitably repetitive.
+static void xor_range(void *ptr, int size, u32 value)
+{
+ if ((long)ptr & 1) {
+ *(u8 *)ptr ^= (u8)value;
+ ptr++;
+ size--;
+ }
+ if (size > 1 && ((long)ptr & 2)) {
+ *(u16 *)ptr ^= (u16)value;
+ ptr += 2;
+ size -= 2;
+ }
+ while (size > 3) {
+ *(u32 *)ptr ^= value;
+ ptr += 4;
+ size -= 4;
+ }
+ if (size > 1) {
+ *(u16 *)ptr ^= (u16)value;
+ ptr += 2;
+ size -= 2;
+ }
+ if (size > 0)
+ *(u8 *)ptr ^= (u8)value;
+}
/*
- * copy_from_user(blk + offset, data, size)
+ * copy_from_user(blk + offset, data, size) ^ xor
*/
int snd_emu10k1_synth_copy_from_user(struct snd_emu10k1 *emu, struct snd_util_memblk *blk,
- int offset, const char __user *data, int size)
+ int offset, const char __user *data, int size, u32 xor)
{
int page, nextofs, end_offset, temp, temp1;
void *ptr;
struct snd_emu10k1_memblk *p = (struct snd_emu10k1_memblk *)blk;
+ if (snd_BUG_ON(offset + size > p->mem.size))
+ return -EFAULT;
+
offset += blk->offset & (PAGE_SIZE - 1);
end_offset = offset + size;
page = get_aligned_page(offset);
@@ -614,8 +647,12 @@ int snd_emu10k1_synth_copy_from_user(struct snd_emu10k1 *emu, struct snd_util_me
if (temp1 < temp)
temp = temp1;
ptr = offset_ptr(emu, page + p->first_page, offset);
- if (ptr && copy_from_user(ptr, data, temp))
- return -EFAULT;
+ if (ptr) {
+ if (copy_from_user(ptr, data, temp))
+ return -EFAULT;
+ if (xor)
+ xor_range(ptr, temp, xor);
+ }
offset = nextofs;
data += temp;
page++;
generated by cgit (git 2.34.1) at 2024-06-06 22:39:40 +0000