Commit 799c7063 authored by Connor McAdams's avatar Connor McAdams Committed by Takashi Iwai
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ALSA: hda/ca0132 - Add 8051 exram helper functions. 



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: default avatarConnor McAdams <conmanx360@gmail.com>
Link: https://lore.kernel.org/r/20201210160658.461739-4-conmanx360@gmail.com


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent aedeb642

sound/pci/hda/patch_ca0132.c

+79 −58
Original line number Diff line number Diff line
@@ -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);

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