1 files changed, 409 insertions, 0 deletions

diff --git a/sound/pci/pcxhr/pcxhr_hwdep.c b/sound/pci/pcxhr/pcxhr_hwdep.c
new file mode 100644
index 000000000..2258bd698
--- /dev/null
+++ b/sound/pci/pcxhr/pcxhr_hwdep.c
@@ -0,0 +1,409 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Driver for Digigram pcxhr compatible soundcards
+ *
+ * hwdep device manager
+ *
+ * Copyright (c) 2004 by Digigram <alsa@digigram.com>
+ */
+
+#include <linux/interrupt.h>
+#include <linux/vmalloc.h>
+#include <linux/firmware.h>
+#include <linux/pci.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <sound/core.h>
+#include <sound/hwdep.h>
+#include "pcxhr.h"
+#include "pcxhr_mixer.h"
+#include "pcxhr_hwdep.h"
+#include "pcxhr_core.h"
+#include "pcxhr_mix22.h"
+
+
+static int pcxhr_sub_init(struct pcxhr_mgr *mgr);
+/*
+ * get basic information and init pcxhr card
+ */
+static int pcxhr_init_board(struct pcxhr_mgr *mgr)
+{
+	int err;
+	struct pcxhr_rmh rmh;
+	int card_streams;
+
+	/* calc the number of all streams used */
+	if (mgr->mono_capture)
+		card_streams = mgr->capture_chips * 2;
+	else
+		card_streams = mgr->capture_chips;
+	card_streams += mgr->playback_chips * PCXHR_PLAYBACK_STREAMS;
+
+	/* enable interrupts */
+	pcxhr_enable_dsp(mgr);
+
+	pcxhr_init_rmh(&rmh, CMD_SUPPORTED);
+	err = pcxhr_send_msg(mgr, &rmh);
+	if (err)
+		return err;
+	/* test 4, 8 or 12 phys out */
+	if ((rmh.stat[0] & MASK_FIRST_FIELD) < mgr->playback_chips * 2)
+		return -EINVAL;
+	/* test 4, 8 or 2 phys in */
+	if (((rmh.stat[0] >> (2 * FIELD_SIZE)) & MASK_FIRST_FIELD) <
+	    mgr->capture_chips * 2)
+		return -EINVAL;
+	/* test max nb substream per board */
+	if ((rmh.stat[1] & 0x5F) < card_streams)
+		return -EINVAL;
+	/* test max nb substream per pipe */
+	if (((rmh.stat[1] >> 7) & 0x5F) < PCXHR_PLAYBACK_STREAMS)
+		return -EINVAL;
+	dev_dbg(&mgr->pci->dev,
+		"supported formats : playback=%x capture=%x\n",
+		    rmh.stat[2], rmh.stat[3]);
+
+	pcxhr_init_rmh(&rmh, CMD_VERSION);
+	/* firmware num for DSP */
+	rmh.cmd[0] |= mgr->firmware_num;
+	/* transfer granularity in samples (should be multiple of 48) */
+	rmh.cmd[1] = (1<<23) + mgr->granularity;
+	rmh.cmd_len = 2;
+	err = pcxhr_send_msg(mgr, &rmh);
+	if (err)
+		return err;
+	dev_dbg(&mgr->pci->dev,
+		"PCXHR DSP version is %d.%d.%d\n", (rmh.stat[0]>>16)&0xff,
+		    (rmh.stat[0]>>8)&0xff, rmh.stat[0]&0xff);
+	mgr->dsp_version = rmh.stat[0];
+
+	if (mgr->is_hr_stereo)
+		err = hr222_sub_init(mgr);
+	else
+		err = pcxhr_sub_init(mgr);
+	return err;
+}
+
+static int pcxhr_sub_init(struct pcxhr_mgr *mgr)
+{
+	int err;
+	struct pcxhr_rmh rmh;
+
+	/* get options */
+	pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
+	rmh.cmd[0] |= IO_NUM_REG_STATUS;
+	rmh.cmd[1]  = REG_STATUS_OPTIONS;
+	rmh.cmd_len = 2;
+	err = pcxhr_send_msg(mgr, &rmh);
+	if (err)
+		return err;
+
+	if ((rmh.stat[1] & REG_STATUS_OPT_DAUGHTER_MASK) ==
+	    REG_STATUS_OPT_ANALOG_BOARD)
+		mgr->board_has_analog = 1;	/* analog addon board found */
+
+	/* unmute inputs */
+	err = pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS,
+					  REG_CONT_UNMUTE_INPUTS, NULL);
+	if (err)
+		return err;
+	/* unmute outputs (a write to IO_NUM_REG_MUTE_OUT mutes!) */
+	pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
+	rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
+	if (DSP_EXT_CMD_SET(mgr)) {
+		rmh.cmd[1]  = 1;	/* unmute digital plugs */
+		rmh.cmd_len = 2;
+	}
+	err = pcxhr_send_msg(mgr, &rmh);
+	return err;
+}
+
+void pcxhr_reset_board(struct pcxhr_mgr *mgr)
+{
+	struct pcxhr_rmh rmh;
+
+	if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
+		/* mute outputs */
+	    if (!mgr->is_hr_stereo) {
+		/* a read to IO_NUM_REG_MUTE_OUT register unmutes! */
+		pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
+		rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
+		pcxhr_send_msg(mgr, &rmh);
+		/* mute inputs */
+		pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS,
+					    0, NULL);
+	    }
+		/* stereo cards mute with reset of dsp */
+	}
+	/* reset pcxhr dsp */
+	if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_EPRM_INDEX))
+		pcxhr_reset_dsp(mgr);
+	/* reset second xilinx */
+	if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_XLX_COM_INDEX)) {
+		pcxhr_reset_xilinx_com(mgr);
+		mgr->dsp_loaded = 1;
+	}
+	return;
+}
+
+
+/*
+ *  allocate a playback/capture pipe (pcmp0/pcmc0)
+ */
+static int pcxhr_dsp_allocate_pipe(struct pcxhr_mgr *mgr,
+				   struct pcxhr_pipe *pipe,
+				   int is_capture, int pin)
+{
+	int stream_count, audio_count;
+	int err;
+	struct pcxhr_rmh rmh;
+
+	if (is_capture) {
+		stream_count = 1;
+		if (mgr->mono_capture)
+			audio_count = 1;
+		else
+			audio_count = 2;
+	} else {
+		stream_count = PCXHR_PLAYBACK_STREAMS;
+		audio_count = 2;	/* always stereo */
+	}
+	dev_dbg(&mgr->pci->dev, "snd_add_ref_pipe pin(%d) pcm%c0\n",
+		    pin, is_capture ? 'c' : 'p');
+	pipe->is_capture = is_capture;
+	pipe->first_audio = pin;
+	/* define pipe (P_PCM_ONLY_MASK (0x020000) is not necessary) */
+	pcxhr_init_rmh(&rmh, CMD_RES_PIPE);
+	pcxhr_set_pipe_cmd_params(&rmh, is_capture, pin,
+				  audio_count, stream_count);
+	rmh.cmd[1] |= 0x020000; /* add P_PCM_ONLY_MASK */
+	if (DSP_EXT_CMD_SET(mgr)) {
+		/* add channel mask to command */
+	  rmh.cmd[rmh.cmd_len++] = (audio_count == 1) ? 0x01 : 0x03;
+	}
+	err = pcxhr_send_msg(mgr, &rmh);
+	if (err < 0) {
+		dev_err(&mgr->pci->dev, "error pipe allocation "
+			   "(CMD_RES_PIPE) err=%x!\n", err);
+		return err;
+	}
+	pipe->status = PCXHR_PIPE_DEFINED;
+
+	return 0;
+}
+
+/*
+ *  free playback/capture pipe (pcmp0/pcmc0)
+ */
+#if 0
+static int pcxhr_dsp_free_pipe( struct pcxhr_mgr *mgr, struct pcxhr_pipe *pipe)
+{
+	struct pcxhr_rmh rmh;
+	int capture_mask = 0;
+	int playback_mask = 0;
+	int err = 0;
+
+	if (pipe->is_capture)
+		capture_mask  = (1 << pipe->first_audio);
+	else
+		playback_mask = (1 << pipe->first_audio);
+
+	/* stop one pipe */
+	err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0);
+	if (err < 0)
+		dev_err(&mgr->pci->dev, "error stopping pipe!\n");
+	/* release the pipe */
+	pcxhr_init_rmh(&rmh, CMD_FREE_PIPE);
+	pcxhr_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->first_audio,
+				  0, 0);
+	err = pcxhr_send_msg(mgr, &rmh);
+	if (err < 0)
+		dev_err(&mgr->pci->dev, "error pipe release "
+			   "(CMD_FREE_PIPE) err(%x)\n", err);
+	pipe->status = PCXHR_PIPE_UNDEFINED;
+	return err;
+}
+#endif
+
+
+static int pcxhr_config_pipes(struct pcxhr_mgr *mgr)
+{
+	int err, i, j;
+	struct snd_pcxhr *chip;
+	struct pcxhr_pipe *pipe;
+
+	/* allocate the pipes on the dsp */
+	for (i = 0; i < mgr->num_cards; i++) {
+		chip = mgr->chip[i];
+		if (chip->nb_streams_play) {
+			pipe = &chip->playback_pipe;
+			err = pcxhr_dsp_allocate_pipe( mgr, pipe, 0, i*2);
+			if (err)
+				return err;
+			for(j = 0; j < chip->nb_streams_play; j++)
+				chip->playback_stream[j].pipe = pipe;
+		}
+		for (j = 0; j < chip->nb_streams_capt; j++) {
+			pipe = &chip->capture_pipe[j];
+			err = pcxhr_dsp_allocate_pipe(mgr, pipe, 1, i*2 + j);
+			if (err)
+				return err;
+			chip->capture_stream[j].pipe = pipe;
+		}
+	}
+	return 0;
+}
+
+static int pcxhr_start_pipes(struct pcxhr_mgr *mgr)
+{
+	int i, j;
+	struct snd_pcxhr *chip;
+	int playback_mask = 0;
+	int capture_mask = 0;
+
+	/* start all the pipes on the dsp */
+	for (i = 0; i < mgr->num_cards; i++) {
+		chip = mgr->chip[i];
+		if (chip->nb_streams_play)
+			playback_mask |= 1 << chip->playback_pipe.first_audio;
+		for (j = 0; j < chip->nb_streams_capt; j++)
+			capture_mask |= 1 << chip->capture_pipe[j].first_audio;
+	}
+	return pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
+}
+
+
+static int pcxhr_dsp_load(struct pcxhr_mgr *mgr, int index,
+			  const struct firmware *dsp)
+{
+	int err, card_index;
+
+	dev_dbg(&mgr->pci->dev,
+		"loading dsp [%d] size = %zd\n", index, dsp->size);
+
+	switch (index) {
+	case PCXHR_FIRMWARE_XLX_INT_INDEX:
+		pcxhr_reset_xilinx_com(mgr);
+		return pcxhr_load_xilinx_binary(mgr, dsp, 0);
+
+	case PCXHR_FIRMWARE_XLX_COM_INDEX:
+		pcxhr_reset_xilinx_com(mgr);
+		return pcxhr_load_xilinx_binary(mgr, dsp, 1);
+
+	case PCXHR_FIRMWARE_DSP_EPRM_INDEX:
+		pcxhr_reset_dsp(mgr);
+		return pcxhr_load_eeprom_binary(mgr, dsp);
+
+	case PCXHR_FIRMWARE_DSP_BOOT_INDEX:
+		return pcxhr_load_boot_binary(mgr, dsp);
+
+	case PCXHR_FIRMWARE_DSP_MAIN_INDEX:
+		err = pcxhr_load_dsp_binary(mgr, dsp);
+		if (err)
+			return err;
+		break;	/* continue with first init */
+	default:
+		dev_err(&mgr->pci->dev, "wrong file index\n");
+		return -EFAULT;
+	} /* end of switch file index*/
+
+	/* first communication with embedded */
+	err = pcxhr_init_board(mgr);
+        if (err < 0) {
+		dev_err(&mgr->pci->dev, "pcxhr could not be set up\n");
+		return err;
+	}
+	err = pcxhr_config_pipes(mgr);
+        if (err < 0) {
+		dev_err(&mgr->pci->dev, "pcxhr pipes could not be set up\n");
+		return err;
+	}
+       	/* create devices and mixer in accordance with HW options*/
+        for (card_index = 0; card_index < mgr->num_cards; card_index++) {
+		struct snd_pcxhr *chip = mgr->chip[card_index];
+
+		if ((err = pcxhr_create_pcm(chip)) < 0)
+			return err;
+
+		if (card_index == 0) {
+			if ((err = pcxhr_create_mixer(chip->mgr)) < 0)
+				return err;
+		}
+		if ((err = snd_card_register(chip->card)) < 0)
+			return err;
+	}
+	err = pcxhr_start_pipes(mgr);
+        if (err < 0) {
+		dev_err(&mgr->pci->dev, "pcxhr pipes could not be started\n");
+		return err;
+	}
+	dev_dbg(&mgr->pci->dev,
+		"pcxhr firmware downloaded and successfully set up\n");
+
+	return 0;
+}
+
+/*
+ * fw loader entry
+ */
+int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
+{
+	static const char * const fw_files[][5] = {
+	[0] = { "xlxint.dat", "xlxc882hr.dat",
+		"dspe882.e56", "dspb882hr.b56", "dspd882.d56" },
+	[1] = { "xlxint.dat", "xlxc882e.dat",
+		"dspe882.e56", "dspb882e.b56", "dspd882.d56" },
+	[2] = { "xlxint.dat", "xlxc1222hr.dat",
+		"dspe882.e56", "dspb1222hr.b56", "dspd1222.d56" },
+	[3] = { "xlxint.dat", "xlxc1222e.dat",
+		"dspe882.e56", "dspb1222e.b56", "dspd1222.d56" },
+	[4] = { NULL, "xlxc222.dat",
+		"dspe924.e56", "dspb924.b56", "dspd222.d56" },
+	[5] = { NULL, "xlxc924.dat",
+		"dspe924.e56", "dspb924.b56", "dspd222.d56" },
+	};
+	char path[32];
+
+	const struct firmware *fw_entry;
+	int i, err;
+	int fw_set = mgr->fw_file_set;
+
+	for (i = 0; i < 5; i++) {
+		if (!fw_files[fw_set][i])
+			continue;
+		sprintf(path, "pcxhr/%s", fw_files[fw_set][i]);
+		if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
+			dev_err(&mgr->pci->dev,
+				"pcxhr: can't load firmware %s\n",
+				   path);
+			return -ENOENT;
+		}
+		/* fake hwdep dsp record */
+		err = pcxhr_dsp_load(mgr, i, fw_entry);
+		release_firmware(fw_entry);
+		if (err < 0)
+			return err;
+		mgr->dsp_loaded |= 1 << i;
+	}
+	return 0;
+}
+
+MODULE_FIRMWARE("pcxhr/xlxint.dat");
+MODULE_FIRMWARE("pcxhr/xlxc882hr.dat");
+MODULE_FIRMWARE("pcxhr/xlxc882e.dat");
+MODULE_FIRMWARE("pcxhr/dspe882.e56");
+MODULE_FIRMWARE("pcxhr/dspb882hr.b56");
+MODULE_FIRMWARE("pcxhr/dspb882e.b56");
+MODULE_FIRMWARE("pcxhr/dspd882.d56");
+
+MODULE_FIRMWARE("pcxhr/xlxc1222hr.dat");
+MODULE_FIRMWARE("pcxhr/xlxc1222e.dat");
+MODULE_FIRMWARE("pcxhr/dspb1222hr.b56");
+MODULE_FIRMWARE("pcxhr/dspb1222e.b56");
+MODULE_FIRMWARE("pcxhr/dspd1222.d56");
+
+MODULE_FIRMWARE("pcxhr/xlxc222.dat");
+MODULE_FIRMWARE("pcxhr/xlxc924.dat");
+MODULE_FIRMWARE("pcxhr/dspe924.e56");
+MODULE_FIRMWARE("pcxhr/dspb924.b56");
+MODULE_FIRMWARE("pcxhr/dspd222.d56");