From cf4ce59b3b70238352c7f1729f0f7223214828ad Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 20 Sep 2024 01:46:19 +0000
Subject: [PATCH] rtl88x2CE_WiFi_linux add concurrent mode
---
kernel/sound/pci/rme9652/hdspm.c | 258 +++++++++++++++++++++++----------------------------
1 files changed, 118 insertions(+), 140 deletions(-)
diff --git a/kernel/sound/pci/rme9652/hdspm.c b/kernel/sound/pci/rme9652/hdspm.c
index 5dfddad..51c3c6a 100644
--- a/kernel/sound/pci/rme9652/hdspm.c
+++ b/kernel/sound/pci/rme9652/hdspm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* ALSA driver for RME Hammerfall DSP MADI audio interface(s)
*
@@ -23,20 +24,8 @@
*
* Modified 2011-01-25 variable period sizes on RayDAT/AIO by Adrian Knoth
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
+ * Modified 2019-05-23 fix AIO single speed ADAT capture and playback
+ * by Philippe.Bekaert@uhasselt.be
*/
/* ************* Register Documentation *******************************************************
@@ -648,7 +637,7 @@
#define HDSPM_SPEED_QUAD 2
/* names for speed modes */
-static char *hdspm_speed_names[] = { "single", "double", "quad" };
+static const char * const hdspm_speed_names[] = { "single", "double", "quad" };
static const char *const texts_autosync_aes_tco[] = { "Word Clock",
"AES1", "AES2", "AES3", "AES4",
@@ -695,7 +684,7 @@
"192 kHz"
};
-static char *texts_ports_madi[] = {
+static const char * const texts_ports_madi[] = {
"MADI.1", "MADI.2", "MADI.3", "MADI.4", "MADI.5", "MADI.6",
"MADI.7", "MADI.8", "MADI.9", "MADI.10", "MADI.11", "MADI.12",
"MADI.13", "MADI.14", "MADI.15", "MADI.16", "MADI.17", "MADI.18",
@@ -710,7 +699,7 @@
};
-static char *texts_ports_raydat_ss[] = {
+static const char * const texts_ports_raydat_ss[] = {
"ADAT1.1", "ADAT1.2", "ADAT1.3", "ADAT1.4", "ADAT1.5", "ADAT1.6",
"ADAT1.7", "ADAT1.8", "ADAT2.1", "ADAT2.2", "ADAT2.3", "ADAT2.4",
"ADAT2.5", "ADAT2.6", "ADAT2.7", "ADAT2.8", "ADAT3.1", "ADAT3.2",
@@ -721,7 +710,7 @@
"SPDIF.L", "SPDIF.R"
};
-static char *texts_ports_raydat_ds[] = {
+static const char * const texts_ports_raydat_ds[] = {
"ADAT1.1", "ADAT1.2", "ADAT1.3", "ADAT1.4",
"ADAT2.1", "ADAT2.2", "ADAT2.3", "ADAT2.4",
"ADAT3.1", "ADAT3.2", "ADAT3.3", "ADAT3.4",
@@ -730,7 +719,7 @@
"SPDIF.L", "SPDIF.R"
};
-static char *texts_ports_raydat_qs[] = {
+static const char * const texts_ports_raydat_qs[] = {
"ADAT1.1", "ADAT1.2",
"ADAT2.1", "ADAT2.2",
"ADAT3.1", "ADAT3.2",
@@ -740,7 +729,7 @@
};
-static char *texts_ports_aio_in_ss[] = {
+static const char * const texts_ports_aio_in_ss[] = {
"Analogue.L", "Analogue.R",
"AES.L", "AES.R",
"SPDIF.L", "SPDIF.R",
@@ -749,7 +738,7 @@
"AEB.1", "AEB.2", "AEB.3", "AEB.4"
};
-static char *texts_ports_aio_out_ss[] = {
+static const char * const texts_ports_aio_out_ss[] = {
"Analogue.L", "Analogue.R",
"AES.L", "AES.R",
"SPDIF.L", "SPDIF.R",
@@ -759,7 +748,7 @@
"AEB.1", "AEB.2", "AEB.3", "AEB.4"
};
-static char *texts_ports_aio_in_ds[] = {
+static const char * const texts_ports_aio_in_ds[] = {
"Analogue.L", "Analogue.R",
"AES.L", "AES.R",
"SPDIF.L", "SPDIF.R",
@@ -767,7 +756,7 @@
"AEB.1", "AEB.2", "AEB.3", "AEB.4"
};
-static char *texts_ports_aio_out_ds[] = {
+static const char * const texts_ports_aio_out_ds[] = {
"Analogue.L", "Analogue.R",
"AES.L", "AES.R",
"SPDIF.L", "SPDIF.R",
@@ -776,7 +765,7 @@
"AEB.1", "AEB.2", "AEB.3", "AEB.4"
};
-static char *texts_ports_aio_in_qs[] = {
+static const char * const texts_ports_aio_in_qs[] = {
"Analogue.L", "Analogue.R",
"AES.L", "AES.R",
"SPDIF.L", "SPDIF.R",
@@ -784,7 +773,7 @@
"AEB.1", "AEB.2", "AEB.3", "AEB.4"
};
-static char *texts_ports_aio_out_qs[] = {
+static const char * const texts_ports_aio_out_qs[] = {
"Analogue.L", "Analogue.R",
"AES.L", "AES.R",
"SPDIF.L", "SPDIF.R",
@@ -793,7 +782,7 @@
"AEB.1", "AEB.2", "AEB.3", "AEB.4"
};
-static char *texts_ports_aes32[] = {
+static const char * const texts_ports_aes32[] = {
"AES.1", "AES.2", "AES.3", "AES.4", "AES.5", "AES.6", "AES.7",
"AES.8", "AES.9.", "AES.10", "AES.11", "AES.12", "AES.13", "AES.14",
"AES.15", "AES.16"
@@ -807,7 +796,7 @@
where the data for that channel can be read/written from/to.
*/
-static char channel_map_unity_ss[HDSPM_MAX_CHANNELS] = {
+static const char channel_map_unity_ss[HDSPM_MAX_CHANNELS] = {
0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23,
@@ -818,7 +807,7 @@
56, 57, 58, 59, 60, 61, 62, 63
};
-static char channel_map_raydat_ss[HDSPM_MAX_CHANNELS] = {
+static const char channel_map_raydat_ss[HDSPM_MAX_CHANNELS] = {
4, 5, 6, 7, 8, 9, 10, 11, /* ADAT 1 */
12, 13, 14, 15, 16, 17, 18, 19, /* ADAT 2 */
20, 21, 22, 23, 24, 25, 26, 27, /* ADAT 3 */
@@ -831,7 +820,7 @@
-1, -1, -1, -1, -1, -1, -1, -1,
};
-static char channel_map_raydat_ds[HDSPM_MAX_CHANNELS] = {
+static const char channel_map_raydat_ds[HDSPM_MAX_CHANNELS] = {
4, 5, 6, 7, /* ADAT 1 */
8, 9, 10, 11, /* ADAT 2 */
12, 13, 14, 15, /* ADAT 3 */
@@ -846,7 +835,7 @@
-1, -1, -1, -1, -1, -1, -1, -1,
};
-static char channel_map_raydat_qs[HDSPM_MAX_CHANNELS] = {
+static const char channel_map_raydat_qs[HDSPM_MAX_CHANNELS] = {
4, 5, /* ADAT 1 */
6, 7, /* ADAT 2 */
8, 9, /* ADAT 3 */
@@ -862,7 +851,7 @@
-1, -1, -1, -1, -1, -1, -1, -1,
};
-static char channel_map_aio_in_ss[HDSPM_MAX_CHANNELS] = {
+static const char channel_map_aio_in_ss[HDSPM_MAX_CHANNELS] = {
0, 1, /* line in */
8, 9, /* aes in, */
10, 11, /* spdif in */
@@ -876,7 +865,7 @@
-1, -1, -1, -1, -1, -1, -1, -1,
};
-static char channel_map_aio_out_ss[HDSPM_MAX_CHANNELS] = {
+static const char channel_map_aio_out_ss[HDSPM_MAX_CHANNELS] = {
0, 1, /* line out */
8, 9, /* aes out */
10, 11, /* spdif out */
@@ -891,7 +880,7 @@
-1, -1, -1, -1, -1, -1, -1, -1,
};
-static char channel_map_aio_in_ds[HDSPM_MAX_CHANNELS] = {
+static const char channel_map_aio_in_ds[HDSPM_MAX_CHANNELS] = {
0, 1, /* line in */
8, 9, /* aes in */
10, 11, /* spdif in */
@@ -906,7 +895,7 @@
-1, -1, -1, -1, -1, -1, -1, -1
};
-static char channel_map_aio_out_ds[HDSPM_MAX_CHANNELS] = {
+static const char channel_map_aio_out_ds[HDSPM_MAX_CHANNELS] = {
0, 1, /* line out */
8, 9, /* aes out */
10, 11, /* spdif out */
@@ -921,7 +910,7 @@
-1, -1, -1, -1, -1, -1, -1, -1
};
-static char channel_map_aio_in_qs[HDSPM_MAX_CHANNELS] = {
+static const char channel_map_aio_in_qs[HDSPM_MAX_CHANNELS] = {
0, 1, /* line in */
8, 9, /* aes in */
10, 11, /* spdif in */
@@ -936,7 +925,7 @@
-1, -1, -1, -1, -1, -1, -1, -1
};
-static char channel_map_aio_out_qs[HDSPM_MAX_CHANNELS] = {
+static const char channel_map_aio_out_qs[HDSPM_MAX_CHANNELS] = {
0, 1, /* line out */
8, 9, /* aes out */
10, 11, /* spdif out */
@@ -952,7 +941,7 @@
-1, -1, -1, -1, -1, -1, -1, -1
};
-static char channel_map_aes32[HDSPM_MAX_CHANNELS] = {
+static const char channel_map_aes32[HDSPM_MAX_CHANNELS] = {
0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15,
-1, -1, -1, -1, -1, -1, -1, -1,
@@ -1008,7 +997,7 @@
u32 settings_register; /* cached value for AIO / RayDat (sync reference, master/slave) */
struct hdspm_midi midi[4];
- struct tasklet_struct midi_tasklet;
+ struct work_struct midi_work;
size_t period_bytes;
unsigned char ss_in_channels;
@@ -1021,17 +1010,21 @@
unsigned char max_channels_in;
unsigned char max_channels_out;
- signed char *channel_map_in;
- signed char *channel_map_out;
+ const signed char *channel_map_in;
+ const signed char *channel_map_out;
- signed char *channel_map_in_ss, *channel_map_in_ds, *channel_map_in_qs;
- signed char *channel_map_out_ss, *channel_map_out_ds, *channel_map_out_qs;
+ const signed char *channel_map_in_ss, *channel_map_in_ds, *channel_map_in_qs;
+ const signed char *channel_map_out_ss, *channel_map_out_ds, *channel_map_out_qs;
- char **port_names_in;
- char **port_names_out;
+ const char * const *port_names_in;
+ const char * const *port_names_out;
- char **port_names_in_ss, **port_names_in_ds, **port_names_in_qs;
- char **port_names_out_ss, **port_names_out_ds, **port_names_out_qs;
+ const char * const *port_names_in_ss;
+ const char * const *port_names_in_ds;
+ const char * const *port_names_in_qs;
+ const char * const *port_names_out_ss;
+ const char * const *port_names_out_ds;
+ const char * const *port_names_out_qs;
unsigned char *playback_buffer; /* suitably aligned address */
unsigned char *capture_buffer; /* suitably aligned address */
@@ -1105,9 +1098,9 @@
static int hdspm_set_toggle_setting(struct hdspm *hdspm, u32 regmask, int out);
static int snd_hdspm_set_defaults(struct hdspm *hdspm);
static int hdspm_system_clock_mode(struct hdspm *hdspm);
-static void hdspm_set_sgbuf(struct hdspm *hdspm,
- struct snd_pcm_substream *substream,
- unsigned int reg, int channels);
+static void hdspm_set_channel_dma_addr(struct hdspm *hdspm,
+ struct snd_pcm_substream *substream,
+ unsigned int reg, int channels);
static int hdspm_aes_sync_check(struct hdspm *hdspm, int idx);
static int hdspm_wc_sync_check(struct hdspm *hdspm);
@@ -1224,7 +1217,7 @@
return ret;
}
-/* round arbitary sample rates to commonly known rates */
+/* round arbitrary sample rates to commonly known rates */
static int hdspm_round_frequency(int rate)
{
if (rate < 38050)
@@ -2176,9 +2169,9 @@
}
-static void hdspm_midi_tasklet(unsigned long arg)
+static void hdspm_midi_work(struct work_struct *work)
{
- struct hdspm *hdspm = (struct hdspm *)arg;
+ struct hdspm *hdspm = container_of(work, struct hdspm, midi_work);
int i = 0;
while (i < hdspm->midiPorts) {
@@ -3034,8 +3027,8 @@
unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
unsigned int syncref = (status >> HDSPM_AES32_syncref_bit) & 0xF;
- if ((syncref >= HDSPM_AES32_AUTOSYNC_FROM_WORD) &&
- (syncref <= HDSPM_AES32_AUTOSYNC_FROM_SYNC_IN)) {
+ /* syncref >= HDSPM_AES32_AUTOSYNC_FROM_WORD is always true */
+ if (syncref <= HDSPM_AES32_AUTOSYNC_FROM_SYNC_IN) {
return syncref;
}
return HDSPM_AES32_AUTOSYNC_FROM_NONE;
@@ -4489,7 +4482,7 @@
-static struct snd_kcontrol_new snd_hdspm_controls_madi[] = {
+static const struct snd_kcontrol_new snd_hdspm_controls_madi[] = {
HDSPM_MIXER("Mixer", 0),
HDSPM_INTERNAL_CLOCK("Internal Clock", 0),
HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
@@ -4511,7 +4504,7 @@
};
-static struct snd_kcontrol_new snd_hdspm_controls_madiface[] = {
+static const struct snd_kcontrol_new snd_hdspm_controls_madiface[] = {
HDSPM_MIXER("Mixer", 0),
HDSPM_INTERNAL_CLOCK("Internal Clock", 0),
HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
@@ -4524,7 +4517,7 @@
HDSPM_MADI_SPEEDMODE("MADI Speed Mode", 0)
};
-static struct snd_kcontrol_new snd_hdspm_controls_aio[] = {
+static const struct snd_kcontrol_new snd_hdspm_controls_aio[] = {
HDSPM_MIXER("Mixer", 0),
HDSPM_INTERNAL_CLOCK("Internal Clock", 0),
HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
@@ -4565,7 +4558,7 @@
*/
};
-static struct snd_kcontrol_new snd_hdspm_controls_raydat[] = {
+static const struct snd_kcontrol_new snd_hdspm_controls_raydat[] = {
HDSPM_MIXER("Mixer", 0),
HDSPM_INTERNAL_CLOCK("Internal Clock", 0),
HDSPM_SYSTEM_CLOCK_MODE("Clock Mode", 0),
@@ -4593,7 +4586,7 @@
HDSPM_TOGGLE_SETTING("Single Speed WordClock Out", HDSPM_c0_Wck48)
};
-static struct snd_kcontrol_new snd_hdspm_controls_aes32[] = {
+static const struct snd_kcontrol_new snd_hdspm_controls_aes32[] = {
HDSPM_MIXER("Mixer", 0),
HDSPM_INTERNAL_CLOCK("Internal Clock", 0),
HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
@@ -4635,7 +4628,7 @@
/* Control elements for the optional TCO module */
-static struct snd_kcontrol_new snd_hdspm_controls_tco[] = {
+static const struct snd_kcontrol_new snd_hdspm_controls_tco[] = {
HDSPM_TCO_SAMPLE_RATE("TCO Sample Rate", 0),
HDSPM_TCO_PULL("TCO Pull", 0),
HDSPM_TCO_WCK_CONVERSION("TCO WCK Conversion", 0),
@@ -4682,7 +4675,7 @@
unsigned int idx, limit;
int err;
struct snd_kcontrol *kctl;
- struct snd_kcontrol_new *list = NULL;
+ const struct snd_kcontrol_new *list = NULL;
switch (hdspm->io_type) {
case MADI:
@@ -5287,44 +5280,35 @@
static void snd_hdspm_proc_init(struct hdspm *hdspm)
{
- struct snd_info_entry *entry;
+ void (*read)(struct snd_info_entry *, struct snd_info_buffer *) = NULL;
- if (!snd_card_proc_new(hdspm->card, "hdspm", &entry)) {
- switch (hdspm->io_type) {
- case AES32:
- snd_info_set_text_ops(entry, hdspm,
- snd_hdspm_proc_read_aes32);
- break;
- case MADI:
- snd_info_set_text_ops(entry, hdspm,
- snd_hdspm_proc_read_madi);
- break;
- case MADIface:
- /* snd_info_set_text_ops(entry, hdspm,
- snd_hdspm_proc_read_madiface); */
- break;
- case RayDAT:
- snd_info_set_text_ops(entry, hdspm,
- snd_hdspm_proc_read_raydat);
- break;
- case AIO:
- break;
- }
+ switch (hdspm->io_type) {
+ case AES32:
+ read = snd_hdspm_proc_read_aes32;
+ break;
+ case MADI:
+ read = snd_hdspm_proc_read_madi;
+ break;
+ case MADIface:
+ /* read = snd_hdspm_proc_read_madiface; */
+ break;
+ case RayDAT:
+ read = snd_hdspm_proc_read_raydat;
+ break;
+ case AIO:
+ break;
}
- if (!snd_card_proc_new(hdspm->card, "ports.in", &entry)) {
- snd_info_set_text_ops(entry, hdspm, snd_hdspm_proc_ports_in);
- }
-
- if (!snd_card_proc_new(hdspm->card, "ports.out", &entry)) {
- snd_info_set_text_ops(entry, hdspm, snd_hdspm_proc_ports_out);
- }
+ snd_card_ro_proc_new(hdspm->card, "hdspm", hdspm, read);
+ snd_card_ro_proc_new(hdspm->card, "ports.in", hdspm,
+ snd_hdspm_proc_ports_in);
+ snd_card_ro_proc_new(hdspm->card, "ports.out", hdspm,
+ snd_hdspm_proc_ports_out);
#ifdef CONFIG_SND_DEBUG
/* debug file to read all hdspm registers */
- if (!snd_card_proc_new(hdspm->card, "debug", &entry))
- snd_info_set_text_ops(entry, hdspm,
- snd_hdspm_proc_read_debug);
+ snd_card_ro_proc_new(hdspm->card, "debug", hdspm,
+ snd_hdspm_proc_read_debug);
#endif
}
@@ -5465,7 +5449,7 @@
}
if (schedule)
- tasklet_hi_schedule(&hdspm->midi_tasklet);
+ queue_work(system_highpri_wq, &hdspm->midi_work);
}
return IRQ_HANDLED;
@@ -5597,11 +5581,16 @@
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- hdspm_set_sgbuf(hdspm, substream, HDSPM_pageAddressBufferOut,
- params_channels(params));
+ for (i = 0; i < params_channels(params); ++i) {
+ int c = hdspm->channel_map_out[i];
- for (i = 0; i < params_channels(params); ++i)
- snd_hdspm_enable_out(hdspm, i, 1);
+ if (c < 0)
+ continue; /* just make sure */
+ hdspm_set_channel_dma_addr(hdspm, substream,
+ HDSPM_pageAddressBufferOut,
+ c);
+ snd_hdspm_enable_out(hdspm, c, 1);
+ }
hdspm->playback_buffer =
(unsigned char *) substream->runtime->dma_area;
@@ -5609,11 +5598,16 @@
"Allocated sample buffer for playback at %p\n",
hdspm->playback_buffer);
} else {
- hdspm_set_sgbuf(hdspm, substream, HDSPM_pageAddressBufferIn,
- params_channels(params));
+ for (i = 0; i < params_channels(params); ++i) {
+ int c = hdspm->channel_map_in[i];
- for (i = 0; i < params_channels(params); ++i)
- snd_hdspm_enable_in(hdspm, i, 1);
+ if (c < 0)
+ continue;
+ hdspm_set_channel_dma_addr(hdspm, substream,
+ HDSPM_pageAddressBufferIn,
+ c);
+ snd_hdspm_enable_in(hdspm, c, 1);
+ }
hdspm->capture_buffer =
(unsigned char *) substream->runtime->dma_area;
@@ -5674,19 +5668,17 @@
struct hdspm *hdspm = snd_pcm_substream_chip(substream);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-
- /* params_channels(params) should be enough,
- but to get sure in case of error */
- for (i = 0; i < hdspm->max_channels_out; ++i)
+ /* Just disable all channels. The saving when disabling a */
+ /* smaller set is not worth the trouble. */
+ for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
snd_hdspm_enable_out(hdspm, i, 0);
hdspm->playback_buffer = NULL;
} else {
- for (i = 0; i < hdspm->max_channels_in; ++i)
+ for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
snd_hdspm_enable_in(hdspm, i, 0);
hdspm->capture_buffer = NULL;
-
}
snd_pcm_lib_free_pages(substream);
@@ -5832,7 +5824,7 @@
return 0;
}
-static struct snd_pcm_hardware snd_hdspm_playback_subinfo = {
+static const struct snd_pcm_hardware snd_hdspm_playback_subinfo = {
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_NONINTERLEAVED |
@@ -5857,7 +5849,7 @@
.fifo_size = 0
};
-static struct snd_pcm_hardware snd_hdspm_capture_subinfo = {
+static const struct snd_pcm_hardware snd_hdspm_capture_subinfo = {
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_NONINTERLEAVED |
@@ -6380,7 +6372,6 @@
.prepare = snd_hdspm_prepare,
.trigger = snd_hdspm_trigger,
.pointer = snd_hdspm_hw_pointer,
- .page = snd_pcm_sgbuf_ops_page,
};
static int snd_hdspm_create_hwdep(struct snd_card *card,
@@ -6411,7 +6402,6 @@
------------------------------------------------------------*/
static int snd_hdspm_preallocate_memory(struct hdspm *hdspm)
{
- int err;
struct snd_pcm *pcm;
size_t wanted;
@@ -6419,35 +6409,24 @@
wanted = HDSPM_DMA_AREA_BYTES;
- err =
- snd_pcm_lib_preallocate_pages_for_all(pcm,
- SNDRV_DMA_TYPE_DEV_SG,
- snd_dma_pci_data(hdspm->pci),
- wanted,
- wanted);
- if (err < 0) {
- dev_dbg(hdspm->card->dev,
- "Could not preallocate %zd Bytes\n", wanted);
-
- return err;
- } else
- dev_dbg(hdspm->card->dev,
- " Preallocated %zd Bytes\n", wanted);
-
+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
+ &hdspm->pci->dev,
+ wanted, wanted);
+ dev_dbg(hdspm->card->dev, " Preallocated %zd Bytes\n", wanted);
return 0;
}
-
-static void hdspm_set_sgbuf(struct hdspm *hdspm,
- struct snd_pcm_substream *substream,
- unsigned int reg, int channels)
+/* Inform the card what DMA addresses to use for the indicated channel. */
+/* Each channel got 16 4K pages allocated for DMA transfers. */
+static void hdspm_set_channel_dma_addr(struct hdspm *hdspm,
+ struct snd_pcm_substream *substream,
+ unsigned int reg, int channel)
{
int i;
- /* continuous memory segment */
- for (i = 0; i < (channels * 16); i++)
+ for (i = channel * 16; i < channel * 16 + 16; i++)
hdspm_write(hdspm, reg + 4 * i,
- snd_pcm_sgbuf_get_addr(substream, 4096 * i));
+ snd_pcm_sgbuf_get_addr(substream, 4096 * i));
}
@@ -6534,7 +6513,7 @@
dev_dbg(card->dev, "Update mixer controls...\n");
hdspm_update_simple_mixer_controls(hdspm);
- dev_dbg(card->dev, "Initializeing complete ???\n");
+ dev_dbg(card->dev, "Initializing complete?\n");
err = snd_card_register(card);
if (err < 0) {
@@ -6559,6 +6538,7 @@
hdspm->card = card;
spin_lock_init(&hdspm->lock);
+ INIT_WORK(&hdspm->midi_work, hdspm_midi_work);
pci_read_config_word(hdspm->pci,
PCI_CLASS_REVISION, &hdspm->firmware_rev);
@@ -6619,7 +6599,7 @@
dev_dbg(card->dev, "grabbed memory region 0x%lx-0x%lx\n",
hdspm->port, hdspm->port + io_extent - 1);
- hdspm->iobase = ioremap_nocache(hdspm->port, io_extent);
+ hdspm->iobase = ioremap(hdspm->port, io_extent);
if (!hdspm->iobase) {
dev_err(card->dev, "unable to remap region 0x%lx-0x%lx\n",
hdspm->port, hdspm->port + io_extent - 1);
@@ -6638,6 +6618,7 @@
dev_dbg(card->dev, "use IRQ %d\n", pci->irq);
hdspm->irq = pci->irq;
+ card->sync_irq = hdspm->irq;
dev_dbg(card->dev, "kmalloc Mixer memory of %zd Bytes\n",
sizeof(*hdspm->mixer));
@@ -6856,10 +6837,6 @@
}
- tasklet_init(&hdspm->midi_tasklet,
- hdspm_midi_tasklet, (unsigned long) hdspm);
-
-
if (hdspm->io_type != MADIface) {
hdspm->serial = (hdspm_read(hdspm,
HDSPM_midiStatusIn0)>>8) & 0xFFFFFF;
@@ -6894,6 +6871,7 @@
{
if (hdspm->port) {
+ cancel_work_sync(&hdspm->midi_work);
/* stop th audio, and cancel all interrupts */
hdspm->control_register &=
--
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