201 lines
6.7 KiB
C
201 lines
6.7 KiB
C
/*
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* Driver for Digigram pcxhr compatible soundcards
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*
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* low level interface with interrupt ans message handling
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*
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* Copyright (c) 2004 by Digigram <alsa@digigram.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __SOUND_PCXHR_CORE_H
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#define __SOUND_PCXHR_CORE_H
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struct firmware;
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struct pcxhr_mgr;
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/* init and firmware download commands */
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void pcxhr_reset_xilinx_com(struct pcxhr_mgr *mgr);
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void pcxhr_reset_dsp(struct pcxhr_mgr *mgr);
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void pcxhr_enable_dsp(struct pcxhr_mgr *mgr);
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int pcxhr_load_xilinx_binary(struct pcxhr_mgr *mgr, const struct firmware *xilinx, int second);
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int pcxhr_load_eeprom_binary(struct pcxhr_mgr *mgr, const struct firmware *eeprom);
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int pcxhr_load_boot_binary(struct pcxhr_mgr *mgr, const struct firmware *boot);
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int pcxhr_load_dsp_binary(struct pcxhr_mgr *mgr, const struct firmware *dsp);
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/* DSP time available on MailBox4 register : 24 bit time samples() */
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#define PCXHR_DSP_TIME_MASK 0x00ffffff
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#define PCXHR_DSP_TIME_INVALID 0x10000000
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#define PCXHR_SIZE_MAX_CMD 8
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#define PCXHR_SIZE_MAX_STATUS 16
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#define PCXHR_SIZE_MAX_LONG_STATUS 256
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struct pcxhr_rmh {
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u16 cmd_len; /* length of the command to send (WORDs) */
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u16 stat_len; /* length of the status received (WORDs) */
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u16 dsp_stat; /* status type, RMP_SSIZE_XXX */
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u16 cmd_idx; /* index of the command */
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u32 cmd[PCXHR_SIZE_MAX_CMD];
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u32 stat[PCXHR_SIZE_MAX_STATUS];
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};
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enum {
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CMD_VERSION, /* cmd_len = 2 stat_len = 1 */
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CMD_SUPPORTED, /* cmd_len = 1 stat_len = 4 */
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CMD_TEST_IT, /* cmd_len = 1 stat_len = 1 */
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CMD_SEND_IRQA, /* cmd_len = 1 stat_len = 0 */
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CMD_ACCESS_IO_WRITE, /* cmd_len >= 1 stat_len >= 1 */
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CMD_ACCESS_IO_READ, /* cmd_len >= 1 stat_len >= 1 */
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CMD_ASYNC, /* cmd_len = 1 stat_len = 1 */
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CMD_MODIFY_CLOCK, /* cmd_len = 3 stat_len = 0 */
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CMD_RESYNC_AUDIO_INPUTS, /* cmd_len = 1 stat_len = 0 */
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CMD_GET_DSP_RESOURCES, /* cmd_len = 1 stat_len = 4 */
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CMD_SET_TIMER_INTERRUPT, /* cmd_len = 1 stat_len = 0 */
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CMD_RES_PIPE, /* cmd_len = 2 stat_len = 0 */
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CMD_FREE_PIPE, /* cmd_len = 1 stat_len = 0 */
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CMD_CONF_PIPE, /* cmd_len = 2 stat_len = 0 */
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CMD_STOP_PIPE, /* cmd_len = 1 stat_len = 0 */
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CMD_PIPE_SAMPLE_COUNT, /* cmd_len = 2 stat_len = 2 */
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CMD_CAN_START_PIPE, /* cmd_len >= 1 stat_len = 1 */
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CMD_START_STREAM, /* cmd_len = 2 stat_len = 0 */
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CMD_STREAM_OUT_LEVEL_ADJUST, /* cmd_len >= 1 stat_len = 0 */
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CMD_STOP_STREAM, /* cmd_len = 2 stat_len = 0 */
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CMD_UPDATE_R_BUFFERS, /* cmd_len = 4 stat_len = 0 */
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CMD_FORMAT_STREAM_OUT, /* cmd_len >= 2 stat_len = 0 */
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CMD_FORMAT_STREAM_IN, /* cmd_len >= 4 stat_len = 0 */
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CMD_STREAM_SAMPLE_COUNT, /* cmd_len = 2 stat_len = (2 * nb_stream) */
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CMD_AUDIO_LEVEL_ADJUST, /* cmd_len = 3 stat_len = 0 */
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CMD_LAST_INDEX
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};
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#define MASK_DSP_WORD 0x00ffffff
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#define MASK_ALL_STREAM 0x00ffffff
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#define MASK_DSP_WORD_LEVEL 0x000001ff
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#define MASK_FIRST_FIELD 0x0000001f
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#define FIELD_SIZE 5
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/*
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init the rmh struct; by default cmd_len is set to 1
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*/
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void pcxhr_init_rmh(struct pcxhr_rmh *rmh, int cmd);
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void pcxhr_set_pipe_cmd_params(struct pcxhr_rmh* rmh, int capture, unsigned int param1,
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unsigned int param2, unsigned int param3);
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/*
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send the rmh
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*/
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int pcxhr_send_msg(struct pcxhr_mgr *mgr, struct pcxhr_rmh *rmh);
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/* values used for CMD_ACCESS_IO_WRITE and CMD_ACCESS_IO_READ */
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#define IO_NUM_REG_CONT 0
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#define IO_NUM_REG_GENCLK 1
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#define IO_NUM_REG_MUTE_OUT 2
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#define IO_NUM_SPEED_RATIO 4
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#define IO_NUM_REG_STATUS 5
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#define IO_NUM_REG_CUER 10
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#define IO_NUM_UER_CHIP_REG 11
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#define IO_NUM_REG_OUT_ANA_LEVEL 20
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#define IO_NUM_REG_IN_ANA_LEVEL 21
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#define REG_CONT_UNMUTE_INPUTS 0x020000
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/* parameters used with register IO_NUM_REG_STATUS */
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#define REG_STATUS_OPTIONS 0
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#define REG_STATUS_AES_SYNC 8
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#define REG_STATUS_AES_1 9
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#define REG_STATUS_AES_2 10
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#define REG_STATUS_AES_3 11
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#define REG_STATUS_AES_4 12
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#define REG_STATUS_WORD_CLOCK 13
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#define REG_STATUS_INTER_SYNC 14
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#define REG_STATUS_CURRENT 0x80
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/* results */
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#define REG_STATUS_OPT_NO_VIDEO_SIGNAL 0x01
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#define REG_STATUS_OPT_DAUGHTER_MASK 0x1c
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#define REG_STATUS_OPT_ANALOG_BOARD 0x00
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#define REG_STATUS_OPT_NO_DAUGHTER 0x1c
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#define REG_STATUS_OPT_COMPANION_MASK 0xe0
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#define REG_STATUS_OPT_NO_COMPANION 0xe0
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#define REG_STATUS_SYNC_32000 0x00
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#define REG_STATUS_SYNC_44100 0x01
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#define REG_STATUS_SYNC_48000 0x02
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#define REG_STATUS_SYNC_64000 0x03
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#define REG_STATUS_SYNC_88200 0x04
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#define REG_STATUS_SYNC_96000 0x05
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#define REG_STATUS_SYNC_128000 0x06
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#define REG_STATUS_SYNC_176400 0x07
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#define REG_STATUS_SYNC_192000 0x08
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int pcxhr_set_pipe_state(struct pcxhr_mgr *mgr, int playback_mask, int capture_mask, int start);
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int pcxhr_write_io_num_reg_cont(struct pcxhr_mgr *mgr, unsigned int mask,
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unsigned int value, int *changed);
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/* codec parameters */
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#define CS8416_RUN 0x200401
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#define CS8416_FORMAT_DETECT 0x200b00
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#define CS8416_CSB0 0x201900
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#define CS8416_CSB1 0x201a00
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#define CS8416_CSB2 0x201b00
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#define CS8416_CSB3 0x201c00
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#define CS8416_CSB4 0x201d00
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#define CS8416_VERSION 0x207f00
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#define CS8420_DATA_FLOW_CTL 0x200301
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#define CS8420_CLOCK_SRC_CTL 0x200401
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#define CS8420_RECEIVER_ERRORS 0x201000
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#define CS8420_SRC_RATIO 0x201e00
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#define CS8420_CSB0 0x202000
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#define CS8420_CSB1 0x202100
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#define CS8420_CSB2 0x202200
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#define CS8420_CSB3 0x202300
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#define CS8420_CSB4 0x202400
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#define CS8420_VERSION 0x207f00
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#define CS4271_MODE_CTL_1 0x200101
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#define CS4271_DAC_CTL 0x200201
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#define CS4271_VOLMIX 0x200301
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#define CS4271_VOLMUTE_LEFT 0x200401
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#define CS4271_VOLMUTE_RIGHT 0x200501
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#define CS4271_ADC_CTL 0x200601
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#define CS4271_MODE_CTL_2 0x200701
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#define CHIP_SIG_AND_MAP_SPI 0xff7f00
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/* codec selection */
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#define CS4271_01_CS 0x160018
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#define CS4271_23_CS 0x160019
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#define CS4271_45_CS 0x16001a
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#define CS4271_67_CS 0x16001b
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#define CS4271_89_CS 0x16001c
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#define CS4271_AB_CS 0x16001d
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#define CS8420_01_CS 0x080090
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#define CS8420_23_CS 0x080092
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#define CS8420_45_CS 0x080094
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#define CS8420_67_CS 0x080096
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#define CS8416_01_CS 0x080098
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/* interrupt handling */
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irqreturn_t pcxhr_interrupt(int irq, void *dev_id);
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void pcxhr_msg_tasklet(unsigned long arg);
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#endif /* __SOUND_PCXHR_CORE_H */
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