diff options
Diffstat (limited to 'sound/pci/pcxhr/pcxhr_hwdep.c')
| -rw-r--r-- | sound/pci/pcxhr/pcxhr_hwdep.c | 438 |
1 files changed, 438 insertions, 0 deletions
diff --git a/sound/pci/pcxhr/pcxhr_hwdep.c b/sound/pci/pcxhr/pcxhr_hwdep.c new file mode 100644 index 0000000..03517c1 --- /dev/null +++ b/sound/pci/pcxhr/pcxhr_hwdep.c @@ -0,0 +1,438 @@ +/* + * 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 <sound/driver.h> +#include <linux/interrupt.h> +#include <linux/vmalloc.h> +#include <linux/firmware.h> +#include <linux/pci.h> +#include <asm/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" + + +#if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE) +#if !defined(CONFIG_USE_PCXHRLOADER) && !defined(CONFIG_SND_PCXHR) /* built-in kernel */ +#define SND_PCXHR_FW_LOADER /* use the standard firmware loader */ +#endif +#endif + + +/* + * 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 8 or 12 phys out */ + snd_assert((rmh.stat[0] & MASK_FIRST_FIELD) == mgr->playback_chips*2, + return -EINVAL); + /* test 8 or 2 phys in */ + snd_assert(((rmh.stat[0] >> (2*FIELD_SIZE)) & MASK_FIRST_FIELD) == + mgr->capture_chips * 2, return -EINVAL); + /* test max nb substream per board */ + snd_assert((rmh.stat[1] & 0x5F) >= card_streams, return -EINVAL); + /* test max nb substream per pipe */ + snd_assert(((rmh.stat[1]>>7)&0x5F) >= PCXHR_PLAYBACK_STREAMS, return -EINVAL); + + 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) + PCXHR_GRANULARITY; + rmh.cmd_len = 2; + err = pcxhr_send_msg(mgr, &rmh); + if (err) + return err; + snd_printdd("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]; + + /* 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 available */ + else + /* analog addon board not available -> no support for instance */ + return -EINVAL; + + /* 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 */ + pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* a write to IO_NUM_REG_MUTE_OUT mutes! */ + rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT; + 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 */ + /* 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); + } + /* 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); + 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 */ + } + snd_printdd("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); + err = pcxhr_send_msg(mgr, &rmh); + if (err < 0) { + snd_printk(KERN_ERR "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) + snd_printk(KERN_ERR "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) + snd_printk(KERN_ERR "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; + + snd_printdd("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: + snd_printk(KERN_ERR "wrong file index\n"); + return -EFAULT; + } /* end of switch file index*/ + + /* first communication with embedded */ + err = pcxhr_init_board(mgr); + if (err < 0) { + snd_printk(KERN_ERR "pcxhr could not be set up\n"); + return err; + } + err = pcxhr_config_pipes(mgr); + if (err < 0) { + snd_printk(KERN_ERR "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) { + snd_printk(KERN_ERR "pcxhr pipes could not be started\n"); + return err; + } + snd_printdd("pcxhr firmware downloaded and successfully set up\n"); + + return 0; +} + +/* + * fw loader entry + */ +#ifdef SND_PCXHR_FW_LOADER + +int pcxhr_setup_firmware(struct pcxhr_mgr *mgr) +{ + static char *fw_files[5] = { + "xi_1_882.dat", + "xc_1_882.dat", + "e321_512.e56", + "b321_512.b56", + "d321_512.d56" + }; + char path[32]; + + const struct firmware *fw_entry; + int i, err; + + for (i = 0; i < ARRAY_SIZE(fw_files); i++) { + sprintf(path, "pcxhr/%s", fw_files[i]); + if (request_firmware(&fw_entry, path, &mgr->pci->dev)) { + snd_printk(KERN_ERR "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; +} + +#else /* old style firmware loading */ + +/* pcxhr hwdep interface id string */ +#define PCXHR_HWDEP_ID "pcxhr loader" + + +static int pcxhr_hwdep_dsp_status(struct snd_hwdep *hw, + struct snd_hwdep_dsp_status *info) +{ + strcpy(info->id, "pcxhr"); + info->num_dsps = PCXHR_FIRMWARE_FILES_MAX_INDEX; + + if (hw->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) + info->chip_ready = 1; + + info->version = PCXHR_DRIVER_VERSION; + return 0; +} + +static int pcxhr_hwdep_dsp_load(struct snd_hwdep *hw, + struct snd_hwdep_dsp_image *dsp) +{ + struct pcxhr_mgr *mgr = hw->private_data; + int err; + struct firmware fw; + + fw.size = dsp->length; + fw.data = vmalloc(fw.size); + if (! fw.data) { + snd_printk(KERN_ERR "pcxhr: cannot allocate dsp image (%d bytes)\n", + fw.size); + return -ENOMEM; + } + if (copy_from_user(fw.data, dsp->image, dsp->length)) { + vfree(fw.data); + return -EFAULT; + } + err = pcxhr_dsp_load(mgr, dsp->index, &fw); + vfree(fw.data); + if (err < 0) + return err; + mgr->dsp_loaded |= 1 << dsp->index; + return 0; +} + +static int pcxhr_hwdep_open(struct snd_hwdep *hw, struct file *file) +{ + return 0; +} + +static int pcxhr_hwdep_release(struct snd_hwdep *hw, struct file *file) +{ + return 0; +} + +int pcxhr_setup_firmware(struct pcxhr_mgr *mgr) +{ + int err; + struct snd_hwdep *hw; + + /* only create hwdep interface for first cardX (see "index" module parameter)*/ + if ((err = snd_hwdep_new(mgr->chip[0]->card, PCXHR_HWDEP_ID, 0, &hw)) < 0) + return err; + + hw->iface = SNDRV_HWDEP_IFACE_PCXHR; + hw->private_data = mgr; + hw->ops.open = pcxhr_hwdep_open; + hw->ops.release = pcxhr_hwdep_release; + hw->ops.dsp_status = pcxhr_hwdep_dsp_status; + hw->ops.dsp_load = pcxhr_hwdep_dsp_load; + hw->exclusive = 1; + mgr->dsp_loaded = 0; + sprintf(hw->name, PCXHR_HWDEP_ID); + + if ((err = snd_card_register(mgr->chip[0]->card)) < 0) + return err; + return 0; +} + +#endif /* SND_PCXHR_FW_LOADER */ |
