1/*-
2 * Copyright (c) 2006 Stephane E. Potvin <sepotvin@videotron.ca>
3 * Copyright (c) 2008-2012 Alexander Motin <mav@FreeBSD.org>
4 * 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 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 */
29
30#ifndef _HDAC_PRIVATE_H_
31#define _HDAC_PRIVATE_H_
32
33/****************************************************************************
34 * Miscellaneous defines
35 ****************************************************************************/
36#define HDAC_CODEC_MAX		16
37
38/****************************************************************************
39 * Helper Macros
40 ****************************************************************************/
41#define HDAC_READ_1(mem, offset)					\
42	bus_space_read_1((mem)->mem_tag, (mem)->mem_handle, (offset))
43#define HDAC_READ_2(mem, offset)					\
44	bus_space_read_2((mem)->mem_tag, (mem)->mem_handle, (offset))
45#define HDAC_READ_4(mem, offset)					\
46	bus_space_read_4((mem)->mem_tag, (mem)->mem_handle, (offset))
47#define HDAC_WRITE_1(mem, offset, value)				\
48	bus_space_write_1((mem)->mem_tag, (mem)->mem_handle, (offset), (value))
49#define HDAC_WRITE_2(mem, offset, value)				\
50	bus_space_write_2((mem)->mem_tag, (mem)->mem_handle, (offset), (value))
51#define HDAC_WRITE_4(mem, offset, value)				\
52	bus_space_write_4((mem)->mem_tag, (mem)->mem_handle, (offset), (value))
53
54#define HDAC_ISDCTL(sc, n)	(_HDAC_ISDCTL((n), (sc)->num_iss, (sc)->num_oss))
55#define HDAC_ISDSTS(sc, n)	(_HDAC_ISDSTS((n), (sc)->num_iss, (sc)->num_oss))
56#define HDAC_ISDPICB(sc, n)	(_HDAC_ISDPICB((n), (sc)->num_iss, (sc)->num_oss))
57#define HDAC_ISDCBL(sc, n)	(_HDAC_ISDCBL((n), (sc)->num_iss, (sc)->num_oss))
58#define HDAC_ISDLVI(sc, n)	(_HDAC_ISDLVI((n), (sc)->num_iss, (sc)->num_oss))
59#define HDAC_ISDFIFOD(sc, n)	(_HDAC_ISDFIFOD((n), (sc)->num_iss, (sc)->num_oss))
60#define HDAC_ISDFMT(sc, n)	(_HDAC_ISDFMT((n), (sc)->num_iss, (sc)->num_oss))
61#define HDAC_ISDBDPL(sc, n)	(_HDAC_ISDBDPL((n), (sc)->num_iss, (sc)->num_oss))
62#define HDAC_ISDBDPU(sc, n)	(_HDAC_ISDBDPU((n), (sc)->num_iss, (sc)->num_oss))
63
64#define HDAC_OSDCTL(sc, n)	(_HDAC_OSDCTL((n), (sc)->num_iss, (sc)->num_oss))
65#define HDAC_OSDSTS(sc, n)	(_HDAC_OSDSTS((n), (sc)->num_iss, (sc)->num_oss))
66#define HDAC_OSDPICB(sc, n)	(_HDAC_OSDPICB((n), (sc)->num_iss, (sc)->num_oss))
67#define HDAC_OSDCBL(sc, n)	(_HDAC_OSDCBL((n), (sc)->num_iss, (sc)->num_oss))
68#define HDAC_OSDLVI(sc, n)	(_HDAC_OSDLVI((n), (sc)->num_iss, (sc)->num_oss))
69#define HDAC_OSDFIFOD(sc, n)	(_HDAC_OSDFIFOD((n), (sc)->num_iss, (sc)->num_oss))
70#define HDAC_OSDBDPL(sc, n)	(_HDAC_OSDBDPL((n), (sc)->num_iss, (sc)->num_oss))
71#define HDAC_OSDBDPU(sc, n)	(_HDAC_OSDBDPU((n), (sc)->num_iss, (sc)->num_oss))
72
73#define HDAC_BSDCTL(sc, n)	(_HDAC_BSDCTL((n), (sc)->num_iss, (sc)->num_oss))
74#define HDAC_BSDSTS(sc, n)	(_HDAC_BSDSTS((n), (sc)->num_iss, (sc)->num_oss))
75#define HDAC_BSDPICB(sc, n)	(_HDAC_BSDPICB((n), (sc)->num_iss, (sc)->num_oss))
76#define HDAC_BSDCBL(sc, n)	(_HDAC_BSDCBL((n), (sc)->num_iss, (sc)->num_oss))
77#define HDAC_BSDLVI(sc, n)	(_HDAC_BSDLVI((n), (sc)->num_iss, (sc)->num_oss))
78#define HDAC_BSDFIFOD(sc, n)	(_HDAC_BSDFIFOD((n), (sc)->num_iss, (sc)->num_oss))
79#define HDAC_BSDBDPL(sc, n)	(_HDAC_BSDBDPL((n), (sc)->num_iss, (sc)->num_oss))
80#define HDAC_BSDBDPU(sc, n)	(_HDAC_BSDBDPU((n), (sc)->num_iss, (sc)->num_oss))
81
82/****************************************************************************
83 * Custom hdac malloc type
84 ****************************************************************************/
85MALLOC_DECLARE(M_HDAC);
86
87/****************************************************************************
88 * struct hdac_mem
89 *
90 * Holds the resources necessary to describe the physical memory associated
91 * with the device.
92 ****************************************************************************/
93struct hdac_mem {
94	struct resource		*mem_res;
95	int			mem_rid;
96	bus_space_tag_t		mem_tag;
97	bus_space_handle_t	mem_handle;
98};
99
100/****************************************************************************
101 * struct hdac_irq
102 *
103 * Holds the resources necessary to describe the irq associated with the
104 * device.
105 ****************************************************************************/
106struct hdac_irq {
107	struct resource		*irq_res;
108	int			irq_rid;
109	void			*irq_handle;
110};
111
112/****************************************************************************
113 * struct hdac_dma
114 *
115 * This structure is used to hold all the information to manage the dma
116 * states.
117 ****************************************************************************/
118struct hdac_dma {
119	bus_dma_tag_t	dma_tag;
120	bus_dmamap_t	dma_map;
121	bus_addr_t	dma_paddr;
122	bus_size_t	dma_size;
123	caddr_t		dma_vaddr;
124};
125
126/****************************************************************************
127 * struct hdac_rirb
128 *
129 * Hold a response from a verb sent to a codec received via the rirb.
130 ****************************************************************************/
131struct hdac_rirb {
132	uint32_t	response;
133	uint32_t	response_ex;
134};
135
136#define HDAC_RIRB_RESPONSE_EX_SDATA_IN_MASK	0x0000000f
137#define HDAC_RIRB_RESPONSE_EX_SDATA_IN_OFFSET	0
138#define HDAC_RIRB_RESPONSE_EX_UNSOLICITED	0x00000010
139
140#define HDAC_RIRB_RESPONSE_EX_SDATA_IN(response_ex)			\
141    (((response_ex) & HDAC_RIRB_RESPONSE_EX_SDATA_IN_MASK) >>		\
142    HDAC_RIRB_RESPONSE_EX_SDATA_IN_OFFSET)
143
144struct hdac_bdle {
145	volatile uint32_t addrl;
146	volatile uint32_t addrh;
147	volatile uint32_t len;
148	volatile uint32_t ioc;
149} __packed;
150
151struct hdac_stream {
152	device_t	dev;
153	struct hdac_dma	bdl;
154	int		dir;
155	int		stream;
156	int		blksz;
157	int		running;
158	int		bw;
159	int		stripe;
160	uint16_t	format;
161};
162
163struct hdac_softc {
164	device_t	dev;
165	struct mtx	*lock;
166
167	struct intr_config_hook intrhook;
168
169	struct hdac_mem	mem;
170	struct hdac_irq	irq;
171
172	uint32_t	quirks_on;
173	uint32_t	quirks_off;
174	uint32_t	flags;
175#define HDAC_F_DMA_NOCACHE	0x00000001
176
177	int		num_iss;
178	int		num_oss;
179	int		num_bss;
180	int		num_ss;
181	int		num_sdo;
182	int		support_64bit;
183
184	int		corb_size;
185	struct hdac_dma corb_dma;
186	int		corb_wp;
187
188	int		rirb_size;
189	struct hdac_dma	rirb_dma;
190	int		rirb_rp;
191
192	struct hdac_dma	pos_dma;
193
194	bus_dma_tag_t		chan_dmat;
195
196	/* Polling */
197	int			polling;
198	int			poll_ival;
199	struct callout		poll_callout;
200
201	int			unsol_registered;
202	struct task		unsolq_task;
203#define HDAC_UNSOLQ_MAX		64
204#define HDAC_UNSOLQ_READY	0
205#define HDAC_UNSOLQ_BUSY	1
206	int		unsolq_rp;
207	int		unsolq_wp;
208	int		unsolq_st;
209	uint32_t	unsolq[HDAC_UNSOLQ_MAX];
210
211	int			sdo_bw_used;
212
213	struct hdac_stream	*streams;
214
215	struct {
216		device_t	dev;
217		uint16_t	vendor_id;
218		uint16_t	device_id;
219		uint8_t		revision_id;
220		uint8_t		stepping_id;
221		int		pending;
222		uint32_t	response;
223		int		sdi_bw_used;
224	} codecs[HDAC_CODEC_MAX];
225};
226
227#endif
228