xref: /openbmc/linux/sound/pci/pcxhr/pcxhr_core.h (revision 81de3bf3)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Driver for Digigram pcxhr compatible soundcards
4  *
5  * low level interface with interrupt and message handling
6  *
7  * Copyright (c) 2004 by Digigram <alsa@digigram.com>
8  */
9 
10 #ifndef __SOUND_PCXHR_CORE_H
11 #define __SOUND_PCXHR_CORE_H
12 
13 struct firmware;
14 struct pcxhr_mgr;
15 
16 /* init and firmware download commands */
17 void pcxhr_reset_xilinx_com(struct pcxhr_mgr *mgr);
18 void pcxhr_reset_dsp(struct pcxhr_mgr *mgr);
19 void pcxhr_enable_dsp(struct pcxhr_mgr *mgr);
20 int pcxhr_load_xilinx_binary(struct pcxhr_mgr *mgr, const struct firmware *xilinx, int second);
21 int pcxhr_load_eeprom_binary(struct pcxhr_mgr *mgr, const struct firmware *eeprom);
22 int pcxhr_load_boot_binary(struct pcxhr_mgr *mgr, const struct firmware *boot);
23 int pcxhr_load_dsp_binary(struct pcxhr_mgr *mgr, const struct firmware *dsp);
24 
25 /* DSP time available on MailBox4 register : 24 bit time samples() */
26 #define PCXHR_DSP_TIME_MASK		0x00ffffff
27 #define PCXHR_DSP_TIME_INVALID		0x10000000
28 
29 
30 #define PCXHR_SIZE_MAX_CMD		8
31 #define PCXHR_SIZE_MAX_STATUS		16
32 #define PCXHR_SIZE_MAX_LONG_STATUS	256
33 
34 struct pcxhr_rmh {
35 	u16	cmd_len;		/* length of the command to send (WORDs) */
36 	u16	stat_len;		/* length of the status received (WORDs) */
37 	u16	dsp_stat;		/* status type, RMP_SSIZE_XXX */
38 	u16	cmd_idx;		/* index of the command */
39 	u32	cmd[PCXHR_SIZE_MAX_CMD];
40 	u32	stat[PCXHR_SIZE_MAX_STATUS];
41 };
42 
43 enum {
44 	CMD_VERSION,			/* cmd_len = 2	stat_len = 1 */
45 	CMD_SUPPORTED,			/* cmd_len = 1	stat_len = 4 */
46 	CMD_TEST_IT,			/* cmd_len = 1	stat_len = 1 */
47 	CMD_SEND_IRQA,			/* cmd_len = 1	stat_len = 0 */
48 	CMD_ACCESS_IO_WRITE,		/* cmd_len >= 1	stat_len >= 1 */
49 	CMD_ACCESS_IO_READ,		/* cmd_len >= 1	stat_len >= 1 */
50 	CMD_ASYNC,			/* cmd_len = 1	stat_len = 1 */
51 	CMD_MODIFY_CLOCK,		/* cmd_len = 3	stat_len = 0 */
52 	CMD_RESYNC_AUDIO_INPUTS,	/* cmd_len = 1	stat_len = 0 */
53 	CMD_GET_DSP_RESOURCES,		/* cmd_len = 1	stat_len = 4 */
54 	CMD_SET_TIMER_INTERRUPT,	/* cmd_len = 1	stat_len = 0 */
55 	CMD_RES_PIPE,			/* cmd_len >=2	stat_len = 0 */
56 	CMD_FREE_PIPE,			/* cmd_len = 1	stat_len = 0 */
57 	CMD_CONF_PIPE,			/* cmd_len = 2	stat_len = 0 */
58 	CMD_STOP_PIPE,			/* cmd_len = 1	stat_len = 0 */
59 	CMD_PIPE_SAMPLE_COUNT,		/* cmd_len = 2	stat_len = 2 */
60 	CMD_CAN_START_PIPE,		/* cmd_len >= 1	stat_len = 1 */
61 	CMD_START_STREAM,		/* cmd_len = 2	stat_len = 0 */
62 	CMD_STREAM_OUT_LEVEL_ADJUST,	/* cmd_len >= 1	stat_len = 0 */
63 	CMD_STOP_STREAM,		/* cmd_len = 2	stat_len = 0 */
64 	CMD_UPDATE_R_BUFFERS,		/* cmd_len = 4	stat_len = 0 */
65 	CMD_FORMAT_STREAM_OUT,		/* cmd_len >= 2	stat_len = 0 */
66 	CMD_FORMAT_STREAM_IN,		/* cmd_len >= 4	stat_len = 0 */
67 	CMD_STREAM_SAMPLE_COUNT,	/* cmd_len = 2	stat_len = (2 * nb_stream) */
68 	CMD_AUDIO_LEVEL_ADJUST,		/* cmd_len = 3	stat_len = 0 */
69 	CMD_GET_TIME_CODE,		/* cmd_len = 1  stat_len = 5 */
70 	CMD_MANAGE_SIGNAL,		/* cmd_len = 1  stat_len = 0 */
71 	CMD_LAST_INDEX
72 };
73 
74 #define MASK_DSP_WORD		0x00ffffff
75 #define MASK_ALL_STREAM		0x00ffffff
76 #define MASK_DSP_WORD_LEVEL	0x000001ff
77 #define MASK_FIRST_FIELD	0x0000001f
78 #define FIELD_SIZE		5
79 
80 /*
81  init the rmh struct; by default cmd_len is set to 1
82  */
83 void pcxhr_init_rmh(struct pcxhr_rmh *rmh, int cmd);
84 
85 void pcxhr_set_pipe_cmd_params(struct pcxhr_rmh* rmh, int capture, unsigned int param1,
86 			       unsigned int param2, unsigned int param3);
87 
88 #define DSP_EXT_CMD_SET(x) (x->dsp_version > 0x012800)
89 
90 /*
91  send the rmh
92  */
93 int pcxhr_send_msg(struct pcxhr_mgr *mgr, struct pcxhr_rmh *rmh);
94 
95 
96 /* values used for CMD_ACCESS_IO_WRITE and CMD_ACCESS_IO_READ */
97 #define IO_NUM_REG_CONT			0
98 #define IO_NUM_REG_GENCLK		1
99 #define IO_NUM_REG_MUTE_OUT		2
100 #define IO_NUM_SPEED_RATIO		4
101 #define IO_NUM_REG_STATUS		5
102 #define IO_NUM_REG_CUER			10
103 #define IO_NUM_UER_CHIP_REG		11
104 #define IO_NUM_REG_CONFIG_SRC		12
105 #define IO_NUM_REG_OUT_ANA_LEVEL	20
106 #define IO_NUM_REG_IN_ANA_LEVEL		21
107 
108 #define REG_CONT_VALSMPTE		0x000800
109 #define REG_CONT_UNMUTE_INPUTS		0x020000
110 
111 /* parameters used with register IO_NUM_REG_STATUS */
112 #define REG_STATUS_OPTIONS		0
113 #define REG_STATUS_AES_SYNC		8
114 #define REG_STATUS_AES_1		9
115 #define REG_STATUS_AES_2		10
116 #define REG_STATUS_AES_3		11
117 #define REG_STATUS_AES_4		12
118 #define REG_STATUS_WORD_CLOCK		13
119 #define REG_STATUS_INTER_SYNC		14
120 #define REG_STATUS_CURRENT		0x80
121 /* results */
122 #define REG_STATUS_OPT_NO_VIDEO_SIGNAL	0x01
123 #define REG_STATUS_OPT_DAUGHTER_MASK	0x1c
124 #define REG_STATUS_OPT_ANALOG_BOARD	0x00
125 #define REG_STATUS_OPT_NO_DAUGHTER	0x1c
126 #define REG_STATUS_OPT_COMPANION_MASK	0xe0
127 #define REG_STATUS_OPT_NO_COMPANION	0xe0
128 #define REG_STATUS_SYNC_32000		0x00
129 #define REG_STATUS_SYNC_44100		0x01
130 #define REG_STATUS_SYNC_48000		0x02
131 #define REG_STATUS_SYNC_64000		0x03
132 #define REG_STATUS_SYNC_88200		0x04
133 #define REG_STATUS_SYNC_96000		0x05
134 #define REG_STATUS_SYNC_128000		0x06
135 #define REG_STATUS_SYNC_176400		0x07
136 #define REG_STATUS_SYNC_192000		0x08
137 
138 int pcxhr_set_pipe_state(struct pcxhr_mgr *mgr, int playback_mask, int capture_mask, int start);
139 
140 int pcxhr_write_io_num_reg_cont(struct pcxhr_mgr *mgr, unsigned int mask,
141 				unsigned int value, int *changed);
142 
143 /* codec parameters */
144 #define CS8416_RUN		0x200401
145 #define CS8416_FORMAT_DETECT	0x200b00
146 #define CS8416_CSB0		0x201900
147 #define CS8416_CSB1		0x201a00
148 #define CS8416_CSB2		0x201b00
149 #define CS8416_CSB3		0x201c00
150 #define CS8416_CSB4		0x201d00
151 #define CS8416_VERSION		0x207f00
152 
153 #define CS8420_DATA_FLOW_CTL	0x200301
154 #define CS8420_CLOCK_SRC_CTL	0x200401
155 #define CS8420_RECEIVER_ERRORS	0x201000
156 #define CS8420_SRC_RATIO	0x201e00
157 #define CS8420_CSB0		0x202000
158 #define CS8420_CSB1		0x202100
159 #define CS8420_CSB2		0x202200
160 #define CS8420_CSB3		0x202300
161 #define CS8420_CSB4		0x202400
162 #define CS8420_VERSION		0x207f00
163 
164 #define CS4271_MODE_CTL_1	0x200101
165 #define CS4271_DAC_CTL		0x200201
166 #define CS4271_VOLMIX		0x200301
167 #define CS4271_VOLMUTE_LEFT	0x200401
168 #define CS4271_VOLMUTE_RIGHT	0x200501
169 #define CS4271_ADC_CTL		0x200601
170 #define CS4271_MODE_CTL_2	0x200701
171 
172 #define CHIP_SIG_AND_MAP_SPI	0xff7f00
173 
174 /* codec selection */
175 #define CS4271_01_CS		0x160018
176 #define CS4271_23_CS		0x160019
177 #define CS4271_45_CS		0x16001a
178 #define CS4271_67_CS		0x16001b
179 #define CS4271_89_CS		0x16001c
180 #define CS4271_AB_CS		0x16001d
181 #define CS8420_01_CS		0x080090
182 #define CS8420_23_CS		0x080092
183 #define CS8420_45_CS		0x080094
184 #define CS8420_67_CS		0x080096
185 #define CS8416_01_CS		0x080098
186 
187 
188 /* interrupt handling */
189 irqreturn_t pcxhr_interrupt(int irq, void *dev_id);
190 irqreturn_t pcxhr_threaded_irq(int irq, void *dev_id);
191 
192 #endif /* __SOUND_PCXHR_CORE_H */
193