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ALSA: hda/ca0132 - Add 8051 exram helper functions.

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Add functions for both reading and writing to the 8051's exram. Also,
add a little bit of documentation on how the addresses are segmented.

Signed-off-by: Connor McAdams <conmanx360@gmail.com>
Link: https://lore.kernel.org/r/20201210160658.461739-4-conmanx360@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Connor McAdams 2020-12-10 11:06:55 -05:00 committed by Takashi Iwai
parent aedeb64211
commit 799c70639c
1 changed files with 79 additions and 58 deletions
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137
sound/pci/hda/patch_ca0132.c
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@ -1901,6 +1901,70 @@ static void chipio_8051_write_direct(struct hda_codec *codec,
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0, verb, addr);
}
/*
* Writes to the 8051's exram, which has 16-bits of address space.
* Data at addresses 0x2000-0x7fff is mirrored to 0x8000-0xdfff.
* Data at 0x8000-0xdfff can also be used as program memory for the 8051 by
* setting the pmem bank selection SFR.
* 0xe000-0xffff is always mapped as program memory, with only 0xf000-0xffff
* being writable.
*/
static void chipio_8051_set_address(struct hda_codec *codec, unsigned int addr)
{
unsigned int tmp;
/* Lower 8-bits. */
tmp = addr & 0xff;
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_LOW, tmp);
/* Upper 8-bits. */
tmp = (addr >> 8) & 0xff;
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_HIGH, tmp);
}
static void chipio_8051_set_data(struct hda_codec *codec, unsigned int data)
{
/* 8-bits of data. */
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_DATA_WRITE, data & 0xff);
}
static unsigned int chipio_8051_get_data(struct hda_codec *codec)
{
return snd_hda_codec_read(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_DATA_READ, 0);
}
static void chipio_8051_write_exram(struct hda_codec *codec,
unsigned int addr, unsigned int data)
{
struct ca0132_spec *spec = codec->spec;
mutex_lock(&spec->chipio_mutex);
chipio_8051_set_address(codec, addr);
chipio_8051_set_data(codec, data);
mutex_unlock(&spec->chipio_mutex);
}
static void chipio_8051_write_exram_no_mutex(struct hda_codec *codec,
unsigned int addr, unsigned int data)
{
chipio_8051_set_address(codec, addr);
chipio_8051_set_data(codec, data);
}
/* Readback data from the 8051's exram. No mutex. */
static void chipio_8051_read_exram(struct hda_codec *codec,
unsigned int addr, unsigned int *data)
{
chipio_8051_set_address(codec, addr);
*data = chipio_8051_get_data(codec);
}
/*
* Enable clocks.
*/
@ -7422,18 +7486,10 @@ static void ca0132_init_analog_mic2(struct hda_codec *codec)
struct ca0132_spec *spec = codec->spec;
mutex_lock(&spec->chipio_mutex);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_LOW, 0x20);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_HIGH, 0x19);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_DATA_WRITE, 0x00);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_LOW, 0x2D);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_HIGH, 0x19);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_DATA_WRITE, 0x00);
chipio_8051_write_exram_no_mutex(codec, 0x1920, 0x00);
chipio_8051_write_exram_no_mutex(codec, 0x192d, 0x00);
mutex_unlock(&spec->chipio_mutex);
}
@ -7504,18 +7560,11 @@ static void ca0132_refresh_widget_caps(struct hda_codec *codec)
static void chipio_remap_stream(struct hda_codec *codec,
const struct chipio_stream_remap_data *remap_data)
{
unsigned int i, stream_offset, tmp;
unsigned int i, stream_offset;
/* Get the starting port for the stream to be remapped. */
tmp = 0x1578 + remap_data->stream_id;
for (i = 0; i < 2; i++) {
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_LOW + i,
((tmp >> (i * 8)) & 0xff));
}
stream_offset = snd_hda_codec_read(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_DATA_READ, 0);
chipio_8051_read_exram(codec, 0x1578 + remap_data->stream_id,
&stream_offset);
/*
* Check if the stream's port value is 0xff, because the 8051 may not
@ -7526,9 +7575,8 @@ static void chipio_remap_stream(struct hda_codec *codec,
for (i = 0; i < 5; i++) {
msleep(25);
stream_offset = snd_hda_codec_read(codec,
WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_DATA_READ, 0);
chipio_8051_read_exram(codec, 0x1578 + remap_data->stream_id,
&stream_offset);
if (stream_offset != 0xff)
break;
@ -7863,12 +7911,7 @@ static void ae5_post_dsp_param_setup(struct hda_codec *codec)
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0, 0x724, 0x83);
chipio_set_control_param(codec, CONTROL_PARAM_ASI, 0);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_LOW, 0x92);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_HIGH, 0xfa);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_DATA_WRITE, 0x22);
chipio_8051_write_exram(codec, 0xfa92, 0x22);
}
static void ae5_post_dsp_pll_setup(struct hda_codec *codec)
@ -8134,12 +8177,7 @@ static void ae7_post_dsp_asi_setup(struct hda_codec *codec)
chipio_set_control_param(codec, CONTROL_PARAM_ASI, 0);
snd_hda_codec_write(codec, 0x17, 0, 0x794, 0x00);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_LOW, 0x92);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_HIGH, 0xfa);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_DATA_WRITE, 0x22);
chipio_8051_write_exram(codec, 0xfa92, 0x22);
ae7_post_dsp_pll_setup(codec);
ae7_post_dsp_asi_stream_setup(codec);
@ -9133,12 +9171,7 @@ static void r3d_pre_dsp_setup(struct hda_codec *codec)
{
chipio_write(codec, 0x18b0a4, 0x000000c2);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_LOW, 0x1E);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_HIGH, 0x1C);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_DATA_WRITE, 0x5B);
chipio_8051_write_exram(codec, 0x1c1e, 0x5b);
snd_hda_codec_write(codec, 0x11, 0,
AC_VERB_SET_PIN_WIDGET_CONTROL, 0x44);
@ -9148,21 +9181,9 @@ static void r3di_pre_dsp_setup(struct hda_codec *codec)
{
chipio_write(codec, 0x18b0a4, 0x000000c2);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_LOW, 0x1E);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_HIGH, 0x1C);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_DATA_WRITE, 0x5B);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_LOW, 0x20);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_ADDRESS_HIGH, 0x19);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_DATA_WRITE, 0x00);
snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
VENDOR_CHIPIO_8051_DATA_WRITE, 0x40);
chipio_8051_write_exram(codec, 0x1c1e, 0x5b);
chipio_8051_write_exram(codec, 0x1920, 0x00);
chipio_8051_write_exram(codec, 0x1921, 0x40);
snd_hda_codec_write(codec, 0x11, 0,
AC_VERB_SET_PIN_WIDGET_CONTROL, 0x04);