/*
* Driver for Digigram pcxhr compatible soundcards
*
* low level interface with interrupt ans message handling
*
* 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
*/
#ifndef __SOUND_PCXHR_CORE_H
#define __SOUND_PCXHR_CORE_H
struct firmware;
struct pcxhr_mgr;
/* init and firmware download commands */
void pcxhr_reset_xilinx_com(struct pcxhr_mgr *mgr);
void pcxhr_reset_dsp(struct pcxhr_mgr *mgr);
void pcxhr_enable_dsp(struct pcxhr_mgr *mgr);
int pcxhr_load_xilinx_binary(struct pcxhr_mgr *mgr, const struct firmware *xilinx, int second);
int pcxhr_load_eeprom_binary(struct pcxhr_mgr *mgr, const struct firmware *eeprom);
int pcxhr_load_boot_binary(struct pcxhr_mgr *mgr, const struct firmware *boot);
int pcxhr_load_dsp_binary(struct pcxhr_mgr *mgr, const struct firmware *dsp);
/* DSP time available on MailBox4 register : 24 bit time samples() */
#define PCXHR_DSP_TIME_MASK 0x00ffffff
#define PCXHR_DSP_TIME_INVALID 0x10000000
#define PCXHR_SIZE_MAX_CMD 8
#define PCXHR_SIZE_MAX_STATUS 16
#define PCXHR_SIZE_MAX_LONG_STATUS 256
struct pcxhr_rmh {
u16 cmd_len; /* length of the command to send (WORDs) */
u16 stat_len; /* length of the status received (WORDs) */
u16 dsp_stat; /* status type, RMP_SSIZE_XXX */
u16 cmd_idx; /* index of the command */
u32 cmd[PCXHR_SIZE_MAX_CMD];
u32 stat[PCXHR_SIZE_MAX_STATUS];
};
enum {
CMD_VERSION, /* cmd_len = 2 stat_len = 1 */
CMD_SUPPORTED, /* cmd_len = 1 stat_len = 4 */
CMD_TEST_IT, /* cmd_len = 1 stat_len = 1 */
CMD_SEND_IRQA, /* cmd_len = 1 stat_len = 0 */
CMD_ACCESS_IO_WRITE, /* cmd_len >= 1 stat_len >= 1 */
CMD_ACCESS_IO_READ, /* cmd_len >= 1 stat_len >= 1 */
CMD_ASYNC, /* cmd_len = 1 stat_len = 1 */
CMD_MODIFY_CLOCK, /* cmd_len = 3 stat_len = 0 */
CMD_RESYNC_AUDIO_INPUTS, /* cmd_len = 1 stat_len = 0 */
CMD_GET_DSP_RESOURCES, /* cmd_len = 1 stat_len = 4 */
CMD_SET_TIMER_INTERRUPT, /* cmd_len = 1 stat_len = 0 */
CMD_RES_PIPE, /* cmd_len = 2 stat_len = 0 */
CMD_FREE_PIPE, /* cmd_len = 1 stat_len = 0 */
CMD_CONF_PIPE, /* cmd_len = 2 stat_len = 0 */
CMD_STOP_PIPE, /* cmd_len = 1 stat_len = 0 */
CMD_PIPE_SAMPLE_COUNT, /* cmd_len = 2 stat_len = 2 */
CMD_CAN_START_PIPE, /* cmd_len >= 1 stat_len = 1 */
CMD_START_STREAM, /* cmd_len = 2 stat_len = 0 */
CMD_STREAM_OUT_LEVEL_ADJUST, /* cmd_len >= 1 stat_len = 0 */
CMD_STOP_STREAM, /* cmd_len = 2 stat_len = 0 */
CMD_UPDATE_R_BUFFERS, /* cmd_len = 4 stat_len = 0 */
CMD_FORMAT_STREAM_OUT, /* cmd_len >= 2 stat_len = 0 */
CMD_FORMAT_STREAM_IN, /* cmd_len >= 4 stat_len = 0 */
CMD_STREAM_SAMPLE_COUNT, /* cmd_len = 2 stat_len = (2 * nb_stream) */
CMD_AUDIO_LEVEL_ADJUST, /* cmd_len = 3 stat_len = 0 */
CMD_LAST_INDEX
};
#define MASK_DSP_WORD 0x00ffffff
#define MASK_ALL_STREAM 0x00ffffff
#define MASK_DSP_WORD_LEVEL 0x000001ff
#define MASK_FIRST_FIELD 0x0000001f
#define FIELD_SIZE 5
/*
init the rmh struct; by default cmd_len is set to 1
*/
void pcxhr_init_rmh(struct pcxhr_rmh *rmh, int cmd);
void pcxhr_set_pipe_cmd_params(struct pcxhr_rmh* rmh, int capture, unsigned int param1,
unsigned int param2, unsigned int param3);
/*
send the rmh
*/
int pcxhr_send_msg(struct pcxhr_mgr *mgr, struct pcxhr_rmh *rmh);
/* values used for CMD_ACCESS_IO_WRITE and CMD_ACCESS_IO_READ */
#define IO_NUM_REG_CONT 0
#define IO_NUM_REG_GENCLK 1
#define IO_NUM_REG_MUTE_OUT 2
#define IO_NUM_SPEED_RATIO 4
#define IO_NUM_REG_STATUS 5
#define IO_NUM_REG_CUER 10
#define IO_NUM_UER_CHIP_REG 11
#define IO_NUM_REG_OUT_ANA_LEVEL 20
#define IO_NUM_REG_IN_ANA_LEVEL 21
#define REG_CONT_UNMUTE_INPUTS 0x020000
/* parameters used with register IO_NUM_REG_STATUS */
#define REG_STATUS_OPTIONS 0
#define REG_STATUS_AES_SYNC 8
#define REG_STATUS_AES_1 9
#define REG_STATUS_AES_2 10
#define REG_STATUS_AES_3 11
#define REG_STATUS_AES_4 12
#define REG_STATUS_WORD_CLOCK 13
#define REG_STATUS_INTER_SYNC 14
#define REG_STATUS_CURRENT 0x80
/* results */
#define REG_STATUS_OPT_NO_VIDEO_SIGNAL 0x01
#define REG_STATUS_OPT_DAUGHTER_MASK 0x1c
#define REG_STATUS_OPT_ANALOG_BOARD 0x00
#define REG_STATUS_OPT_NO_DAUGHTER 0x1c
#define REG_STATUS_OPT_COMPANION_MASK 0xe0
#define REG_STATUS_OPT_NO_COMPANION 0xe0
#define REG_STATUS_SYNC_32000 0x00
#define REG_STATUS_SYNC_44100 0x01
#define REG_STATUS_SYNC_48000 0x02
#define REG_STATUS_SYNC_64000 0x03
#define REG_STATUS_SYNC_88200 0x04
#define REG_STATUS_SYNC_96000 0x05
#define REG_STATUS_SYNC_128000 0x06
#define REG_STATUS_SYNC_176400 0x07
#define REG_STATUS_SYNC_192000 0x08
int pcxhr_set_pipe_state(struct pcxhr_mgr *mgr, int playback_mask, int capture_mask, int start);
int pcxhr_write_io_num_reg_cont(struct pcxhr_mgr *mgr, unsigned int mask,
unsigned int value, int *changed);
/* codec parameters */
#define CS8416_RUN 0x200401
#define CS8416_FORMAT_DETECT 0x200b00
#define CS8416_CSB0 0x201900
#define CS8416_CSB1 0x201a00
#define CS8416_CSB2 0x201b00
#define CS8416_CSB3 0x201c00
#define CS8416_CSB4 0x201d00
#define CS8416_VERSION 0x207f00
#define CS8420_DATA_FLOW_CTL 0x200301
#define CS8420_CLOCK_SRC_CTL 0x200401
#define CS8420_RECEIVER_ERRORS 0x201000
#define CS8420_SRC_RATIO 0x201e00
#define CS8420_CSB0 0x202000
#define CS8420_CSB1 0x202100
#define CS8420_CSB2 0x202200
#define CS8420_CSB3 0x202300
#define CS8420_CSB4 0x202400
#define CS8420_VERSION 0x207f00
#define CS4271_MODE_CTL_1 0x200101
#define CS4271_DAC_CTL 0x200201
#define CS4271_VOLMIX 0x200301
#define CS4271_VOLMUTE_LEFT 0x200401
#define CS4271_VOLMUTE_RIGHT 0x200501
#define CS4271_ADC_CTL 0x200601
#define CS4271_MODE_CTL_2 0x200701
#define CHIP_SIG_AND_MAP_SPI 0xff7f00
/* codec selection */
#define CS4271_01_CS 0x160018
#define CS4271_23_CS 0x160019
#define CS4271_45_CS 0x16001a
#define CS4271_67_CS 0x16001b
#define CS4271_89_CS 0x16001c
#define CS4271_AB_CS 0x16001d
#define CS8420_01_CS 0x080090
#define CS8420_23_CS 0x080092
#define CS8420_45_CS 0x080094
#define CS8420_67_CS 0x080096
#define CS8416_01_CS 0x080098
/* interrupt handling */
irqreturn_t pcxhr_interrupt(int irq, void *dev_id, struct pt_regs *regs);
void pcxhr_msg_tasklet(unsigned long arg);
#endif /* __SOUND_PCXHR_CORE_H */
