Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / sound / pci / pcxhr / pcxhr_hwdep.c
diff --git a/kernel/sound/pci/pcxhr/pcxhr_hwdep.c b/kernel/sound/pci/pcxhr/pcxhr_hwdep.c
new file mode 100644 (file)
index 0000000..8063305
--- /dev/null
@@ -0,0 +1,422 @@
+/*
+ * Driver for Digigram pcxhr compatible soundcards
+ *
+ * hwdep device manager
+ *
+ * Copyright (c) 2004 by Digigram <alsa@digigram.com>
+ *
+ *   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
+ */
+
+#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 char *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");