1 /*        $NetBSD: cs428x.h,v 1.18 2021/02/03 14:44:32 isaki Exp $    */
2 
3 /*
4  * Copyright (c) 2000 Tatoku Ogaito.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *      This product includes software developed by Tatoku Ogaito
17  *        for the NetBSD Project.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /* Common functions and variables for CS4280 and CS4281 */
34 
35 #ifndef _CS428X_H_
36 #define _CS428X_H_
37 
38 #define PCI_BA0                     (0x10)
39 #define PCI_BA1                     (0x14)
40 
41 #define CS428X_SAVE_REG_MAX   (0x10)
42 #define TYPE_CS4280       (0x4280)
43 #define TYPE_CS4281       (0x4281)
44 
45 #define BA0READ4(sc, r) bus_space_read_4((sc)->ba0t, (sc)->ba0h, (r))
46 #define BA0WRITE4(sc, r, x) bus_space_write_4((sc)->ba0t, (sc)->ba0h, (r), (x))
47 
48 /* DMA */
49 struct cs428x_dma {
50           bus_dmamap_t map;
51           void *addr;                   /* real DMA buffer */
52           void *dum;                    /* dummy buffer for audio driver */
53           bus_dma_segment_t segs[1];
54           int nsegs;
55           size_t size;
56           struct cs428x_dma *next;
57 };
58 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
59 #define KERNADDR(p) ((void *)((p)->addr)) /* buffer for real DMA */
60 #define BUFADDR(p)  ((void *)((p)->dum))  /* buffer for audio driver */
61 
62 /*
63  * Flags (currently used only for CS4280)
64  */
65 enum cs428x_flags {
66           CS428X_FLAG_NONE    = 0x0,
67           CS428X_FLAG_INVAC97EAMP       = 0x1,    /* inverted AC97 external amp */
68           CS428X_FLAG_CLKRUNHACK        = 0x2     /* needs CLKRUN hack */
69 };
70 
71 /*
72  * Software state
73  */
74 struct cs428x_softc {
75           device_t        sc_dev;
76           kmutex_t              sc_lock;
77           kmutex_t              sc_intr_lock;
78 
79           pci_chipset_tag_t sc_pc;
80           pcitag_t sc_pt;
81           pci_intr_handle_t *   sc_ih;
82           pci_intr_handle_t intrh;
83 
84           /* I/O (BA0) */
85           bus_space_tag_t           ba0t;
86           bus_space_handle_t    ba0h;
87 
88           /* BA1 */
89           bus_space_tag_t           ba1t;
90           bus_space_handle_t    ba1h;
91 
92           /* DMA */
93           bus_dma_tag_t        sc_dmatag;
94           struct cs428x_dma *sc_dmas;
95           size_t dma_size;
96           size_t dma_align;
97 
98           int       hw_blocksize;
99           int       type;
100 
101           /* playback */
102           void      (*sc_pintr)(void *);          /* DMA completion intr handler */
103           void      *sc_parg;           /* arg for sc_intr() */
104           char      *sc_ps, *sc_pe, *sc_pn;
105           int       sc_pcount;
106           int       sc_pi;
107           struct    cs428x_dma *sc_pdma;
108           char      *sc_pbuf;
109           char      sc_prun;            /* playback status */
110           int       sc_prate;           /* playback sample rate */
111 
112           /* capturing */
113           void      (*sc_rintr)(void *);          /* DMA completion intr handler */
114           void      *sc_rarg;           /* arg for sc_intr() */
115           char      *sc_rs, *sc_re, *sc_rn;
116           int       sc_rcount;
117           int       sc_ri;
118           struct    cs428x_dma *sc_rdma;
119           char      *sc_rbuf;
120           char      sc_rrun;            /* recording status */
121           int       sc_rrate;           /* recording sample rate */
122 
123           /* Although cs4281 does not support midi (yet),
124            * don't remove these definition.
125            */
126           void      (*sc_iintr)(void *, int); /* midi input ready handler */
127           void      (*sc_ointr)(void *);            /* midi output ready handler */
128           void      *sc_arg;
129 
130           /*
131            * XXX
132            * Actually these 3 variables are needed only for CS4280.
133            */
134           enum cs428x_flags sc_flags;
135           uint32_t pctl;
136           uint32_t cctl;
137 
138           /* AC97 CODEC */
139           struct ac97_codec_if *codec_if;
140           struct ac97_host_if host_if;
141 
142           /* Power Management */
143           union {
144                     struct {
145                               uint32_t pctl;
146                               uint32_t pba;
147                               uint32_t pfie;
148                               uint32_t pdtc;
149                               uint32_t cctl;
150                               uint32_t cba;
151                               uint32_t cie;
152                     } cs4280;
153                     struct {
154                               uint32_t dba0;
155                               uint32_t dbc0;
156                               uint32_t dmr0;
157                               uint32_t dcr0;
158                               uint32_t dba1;
159                               uint32_t dbc1;
160                               uint32_t dmr1;
161                               uint32_t dcr1;
162                     } cs4281;
163           } sc_suspend_state;
164 
165           /* CLKRUN hack (CS428X_FLAG_CLKRUN), only for CS4280 */
166           int sc_active;
167           bus_space_tag_t    sc_pm_iot;
168           bus_space_handle_t sc_pm_ioh;
169 };
170 
171 
172 int  cs428x_round_blocksize(void *, int, int, const audio_params_t *);
173 int  cs428x_get_props(void *);
174 int  cs428x_attach_codec(void *, struct ac97_codec_if *);
175 int  cs428x_read_codec(void *, u_int8_t, u_int16_t *);
176 int  cs428x_write_codec(void *, u_int8_t, u_int16_t);
177 
178 int  cs428x_mixer_set_port(void *, mixer_ctrl_t *);
179 int  cs428x_mixer_get_port(void *, mixer_ctrl_t *);
180 int  cs428x_query_devinfo(void *, mixer_devinfo_t *);
181 void *cs428x_malloc(void *, int, size_t);
182 size_t cs428x_round_buffersize(void *, int, size_t);
183 void cs428x_free(void *, void *, size_t);
184 void cs428x_get_locks(void *, kmutex_t **, kmutex_t **);
185 
186 /* internal functions */
187 int cs428x_allocmem(struct cs428x_softc *, size_t, struct cs428x_dma *);
188 int cs428x_src_wait(struct cs428x_softc *);
189 
190 
191 /* DEBUG */
192 /* #define CS4280_DEBUG */
193 /* #define CS4281_DEBUG */
194 
195 #if defined(CS4280_DEBUG) || defined(CS4281_DEBUG)
196 #define DPRINTF(x)      if (cs428x_debug) printf x
197 #define DPRINTFN(n,x)             if (cs428x_debug>(n)) printf x
198 extern int cs428x_debug;
199 #if CS4280_DEBUG + 0 == 0
200 #undef CS4280_DEBUG
201 #define CS4280_DEBUG 0
202 #endif
203 #else
204 #define DPRINTF(x)
205 #define DPRINTFN(n,x)
206 #endif
207 
208 #endif /* _CS428X_H_ */
209