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6#ifndef __SOUND_HDA_CONTROLLER_H
7#define __SOUND_HDA_CONTROLLER_H
8
9#include <linux/timecounter.h>
10#include <linux/interrupt.h>
11#include <sound/core.h>
12#include <sound/pcm.h>
13#include <sound/initval.h>
14#include <sound/hda_codec.h>
15#include <sound/hda_register.h>
16
17#define AZX_MAX_CODECS HDA_MAX_CODECS
18#define AZX_DEFAULT_CODECS 4
19
20
21
22#define AZX_DCAPS_NO_TCSEL (1 << 8)
23#define AZX_DCAPS_NO_MSI (1 << 9)
24#define AZX_DCAPS_SNOOP_MASK (3 << 10)
25#define AZX_DCAPS_SNOOP_OFF (1 << 12)
26#ifdef CONFIG_SND_HDA_I915
27#define AZX_DCAPS_I915_COMPONENT (1 << 13)
28#else
29#define AZX_DCAPS_I915_COMPONENT 0
30#endif
31
32#define AZX_DCAPS_CTX_WORKAROUND (1 << 15)
33#define AZX_DCAPS_POSFIX_LPIB (1 << 16)
34#define AZX_DCAPS_AMD_WORKAROUND (1 << 17)
35#define AZX_DCAPS_NO_64BIT (1 << 18)
36
37#define AZX_DCAPS_OLD_SSYNC (1 << 20)
38#define AZX_DCAPS_NO_ALIGN_BUFSIZE (1 << 21)
39
40#define AZX_DCAPS_4K_BDLE_BOUNDARY (1 << 23)
41
42#define AZX_DCAPS_COUNT_LPIB_DELAY (1 << 25)
43#define AZX_DCAPS_PM_RUNTIME (1 << 26)
44#define AZX_DCAPS_RETRY_PROBE (1 << 27)
45#define AZX_DCAPS_CORBRP_SELF_CLEAR (1 << 28)
46#define AZX_DCAPS_NO_MSI64 (1 << 29)
47#define AZX_DCAPS_SEPARATE_STREAM_TAG (1 << 30)
48
49enum {
50 AZX_SNOOP_TYPE_NONE,
51 AZX_SNOOP_TYPE_SCH,
52 AZX_SNOOP_TYPE_ATI,
53 AZX_SNOOP_TYPE_NVIDIA,
54};
55
56struct azx_dev {
57 struct hdac_stream core;
58
59 unsigned int irq_pending:1;
60
61
62
63
64
65 unsigned int insufficient:1;
66};
67
68#define azx_stream(dev) (&(dev)->core)
69#define stream_to_azx_dev(s) container_of(s, struct azx_dev, core)
70
71struct azx;
72
73
74struct hda_controller_ops {
75
76 int (*disable_msi_reset_irq)(struct azx *);
77
78 int (*position_check)(struct azx *chip, struct azx_dev *azx_dev);
79
80 int (*link_power)(struct azx *chip, bool enable);
81};
82
83struct azx_pcm {
84 struct azx *chip;
85 struct snd_pcm *pcm;
86 struct hda_codec *codec;
87 struct hda_pcm *info;
88 struct list_head list;
89};
90
91typedef unsigned int (*azx_get_pos_callback_t)(struct azx *, struct azx_dev *);
92typedef int (*azx_get_delay_callback_t)(struct azx *, struct azx_dev *, unsigned int pos);
93
94struct azx {
95 struct hda_bus bus;
96
97 struct snd_card *card;
98 struct pci_dev *pci;
99 int dev_index;
100
101
102 int driver_type;
103 unsigned int driver_caps;
104 int playback_streams;
105 int playback_index_offset;
106 int capture_streams;
107 int capture_index_offset;
108 int num_streams;
109 int jackpoll_interval;
110
111
112 const struct hda_controller_ops *ops;
113
114
115 azx_get_pos_callback_t get_position[2];
116 azx_get_delay_callback_t get_delay[2];
117
118
119 struct mutex open_mutex;
120
121
122 struct list_head pcm_list;
123
124
125 int codec_probe_mask;
126 unsigned int beep_mode;
127
128#ifdef CONFIG_SND_HDA_PATCH_LOADER
129 const struct firmware *fw;
130#endif
131
132
133 int bdl_pos_adj;
134 unsigned int running:1;
135 unsigned int fallback_to_single_cmd:1;
136 unsigned int single_cmd:1;
137 unsigned int msi:1;
138 unsigned int probing:1;
139 unsigned int snoop:1;
140 unsigned int uc_buffer:1;
141 unsigned int align_buffer_size:1;
142 unsigned int disabled:1;
143 unsigned int pm_prepared:1;
144
145
146 unsigned int gts_present:1;
147
148#ifdef CONFIG_SND_HDA_DSP_LOADER
149 struct azx_dev saved_azx_dev;
150#endif
151};
152
153#define azx_bus(chip) (&(chip)->bus.core)
154#define bus_to_azx(_bus) container_of(_bus, struct azx, bus.core)
155
156static inline bool azx_snoop(struct azx *chip)
157{
158 return !IS_ENABLED(CONFIG_X86) || chip->snoop;
159}
160
161
162
163
164
165#define azx_writel(chip, reg, value) \
166 snd_hdac_chip_writel(azx_bus(chip), reg, value)
167#define azx_readl(chip, reg) \
168 snd_hdac_chip_readl(azx_bus(chip), reg)
169#define azx_writew(chip, reg, value) \
170 snd_hdac_chip_writew(azx_bus(chip), reg, value)
171#define azx_readw(chip, reg) \
172 snd_hdac_chip_readw(azx_bus(chip), reg)
173#define azx_writeb(chip, reg, value) \
174 snd_hdac_chip_writeb(azx_bus(chip), reg, value)
175#define azx_readb(chip, reg) \
176 snd_hdac_chip_readb(azx_bus(chip), reg)
177
178#define azx_has_pm_runtime(chip) \
179 ((chip)->driver_caps & AZX_DCAPS_PM_RUNTIME)
180
181
182static inline struct azx_dev *get_azx_dev(struct snd_pcm_substream *substream)
183{
184 return substream->runtime->private_data;
185}
186unsigned int azx_get_position(struct azx *chip, struct azx_dev *azx_dev);
187unsigned int azx_get_pos_lpib(struct azx *chip, struct azx_dev *azx_dev);
188unsigned int azx_get_pos_posbuf(struct azx *chip, struct azx_dev *azx_dev);
189
190
191void azx_stop_all_streams(struct azx *chip);
192
193
194#define azx_alloc_stream_pages(chip) \
195 snd_hdac_bus_alloc_stream_pages(azx_bus(chip))
196#define azx_free_stream_pages(chip) \
197 snd_hdac_bus_free_stream_pages(azx_bus(chip))
198
199
200void azx_init_chip(struct azx *chip, bool full_reset);
201void azx_stop_chip(struct azx *chip);
202#define azx_enter_link_reset(chip) \
203 snd_hdac_bus_enter_link_reset(azx_bus(chip))
204irqreturn_t azx_interrupt(int irq, void *dev_id);
205
206
207int azx_bus_init(struct azx *chip, const char *model);
208int azx_probe_codecs(struct azx *chip, unsigned int max_slots);
209int azx_codec_configure(struct azx *chip);
210int azx_init_streams(struct azx *chip);
211void azx_free_streams(struct azx *chip);
212
213#endif
214