hdaudio_ext.h (8276B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef __SOUND_HDAUDIO_EXT_H 3#define __SOUND_HDAUDIO_EXT_H 4 5#include <linux/io-64-nonatomic-lo-hi.h> 6#include <linux/iopoll.h> 7#include <sound/hdaudio.h> 8 9int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev, 10 const struct hdac_bus_ops *ops, 11 const struct hdac_ext_bus_ops *ext_ops); 12 13void snd_hdac_ext_bus_exit(struct hdac_bus *bus); 14int snd_hdac_ext_bus_device_init(struct hdac_bus *bus, int addr, 15 struct hdac_device *hdev, int type); 16void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev); 17void snd_hdac_ext_bus_device_remove(struct hdac_bus *bus); 18 19#define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \ 20 { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \ 21 .api_version = HDA_DEV_ASOC, \ 22 .driver_data = (unsigned long)(drv_data) } 23#define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \ 24 HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data) 25 26void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *chip, bool enable); 27void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *chip, bool enable); 28 29void snd_hdac_ext_stream_spbcap_enable(struct hdac_bus *chip, 30 bool enable, int index); 31 32int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus); 33struct hdac_ext_link *snd_hdac_ext_bus_link_at(struct hdac_bus *bus, int addr); 34struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_bus *bus, 35 const char *codec_name); 36 37enum hdac_ext_stream_type { 38 HDAC_EXT_STREAM_TYPE_COUPLED = 0, 39 HDAC_EXT_STREAM_TYPE_HOST, 40 HDAC_EXT_STREAM_TYPE_LINK 41}; 42 43/** 44 * hdac_ext_stream: HDAC extended stream for extended HDA caps 45 * 46 * @hstream: hdac_stream 47 * @pphc_addr: processing pipe host stream pointer 48 * @pplc_addr: processing pipe link stream pointer 49 * @spib_addr: software position in buffers stream pointer 50 * @fifo_addr: software position Max fifos stream pointer 51 * @dpibr_addr: DMA position in buffer resume pointer 52 * @dpib: DMA position in buffer 53 * @lpib: Linear position in buffer 54 * @decoupled: stream host and link is decoupled 55 * @link_locked: link is locked 56 * @link_prepared: link is prepared 57 * @link_substream: link substream 58 */ 59struct hdac_ext_stream { 60 struct hdac_stream hstream; 61 62 void __iomem *pphc_addr; 63 void __iomem *pplc_addr; 64 65 void __iomem *spib_addr; 66 void __iomem *fifo_addr; 67 68 void __iomem *dpibr_addr; 69 70 u32 dpib; 71 u32 lpib; 72 bool decoupled:1; 73 bool link_locked:1; 74 bool link_prepared; 75 76 struct snd_pcm_substream *link_substream; 77}; 78 79#define hdac_stream(s) (&(s)->hstream) 80#define stream_to_hdac_ext_stream(s) \ 81 container_of(s, struct hdac_ext_stream, hstream) 82 83void snd_hdac_ext_stream_init(struct hdac_bus *bus, 84 struct hdac_ext_stream *hext_stream, int idx, 85 int direction, int tag); 86int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx, 87 int num_stream, int dir); 88void snd_hdac_stream_free_all(struct hdac_bus *bus); 89void snd_hdac_link_free_all(struct hdac_bus *bus); 90struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus, 91 struct snd_pcm_substream *substream, 92 int type); 93void snd_hdac_ext_stream_release(struct hdac_ext_stream *hext_stream, int type); 94void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus, 95 struct hdac_ext_stream *hext_stream, bool decouple); 96void snd_hdac_ext_stream_decouple(struct hdac_bus *bus, 97 struct hdac_ext_stream *azx_dev, bool decouple); 98 99int snd_hdac_ext_stream_set_spib(struct hdac_bus *bus, 100 struct hdac_ext_stream *hext_stream, u32 value); 101int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_bus *bus, 102 struct hdac_ext_stream *hext_stream); 103void snd_hdac_ext_stream_drsm_enable(struct hdac_bus *bus, 104 bool enable, int index); 105int snd_hdac_ext_stream_set_dpibr(struct hdac_bus *bus, 106 struct hdac_ext_stream *hext_stream, u32 value); 107int snd_hdac_ext_stream_set_lpib(struct hdac_ext_stream *hext_stream, u32 value); 108 109void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hext_stream); 110void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hext_stream); 111void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hext_stream); 112int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *hext_stream, int fmt); 113 114struct hdac_ext_link { 115 struct hdac_bus *bus; 116 int index; 117 void __iomem *ml_addr; /* link output stream reg pointer */ 118 u32 lcaps; /* link capablities */ 119 u16 lsdiid; /* link sdi identifier */ 120 121 int ref_count; 122 123 struct list_head list; 124}; 125 126int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link); 127int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link); 128int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus); 129int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus); 130void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link, 131 int stream); 132void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link, 133 int stream); 134 135int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, struct hdac_ext_link *link); 136int snd_hdac_ext_bus_link_put(struct hdac_bus *bus, struct hdac_ext_link *link); 137 138void snd_hdac_ext_bus_link_power(struct hdac_device *codec, bool enable); 139 140/* update register macro */ 141#define snd_hdac_updatel(addr, reg, mask, val) \ 142 writel(((readl(addr + reg) & ~(mask)) | (val)), \ 143 addr + reg) 144 145#define snd_hdac_updatew(addr, reg, mask, val) \ 146 writew(((readw(addr + reg) & ~(mask)) | (val)), \ 147 addr + reg) 148 149#define snd_hdac_adsp_writeb(chip, reg, value) \ 150 snd_hdac_reg_writeb(chip, (chip)->dsp_ba + (reg), value) 151#define snd_hdac_adsp_readb(chip, reg) \ 152 snd_hdac_reg_readb(chip, (chip)->dsp_ba + (reg)) 153#define snd_hdac_adsp_writew(chip, reg, value) \ 154 snd_hdac_reg_writew(chip, (chip)->dsp_ba + (reg), value) 155#define snd_hdac_adsp_readw(chip, reg) \ 156 snd_hdac_reg_readw(chip, (chip)->dsp_ba + (reg)) 157#define snd_hdac_adsp_writel(chip, reg, value) \ 158 snd_hdac_reg_writel(chip, (chip)->dsp_ba + (reg), value) 159#define snd_hdac_adsp_readl(chip, reg) \ 160 snd_hdac_reg_readl(chip, (chip)->dsp_ba + (reg)) 161#define snd_hdac_adsp_writeq(chip, reg, value) \ 162 snd_hdac_reg_writeq(chip, (chip)->dsp_ba + (reg), value) 163#define snd_hdac_adsp_readq(chip, reg) \ 164 snd_hdac_reg_readq(chip, (chip)->dsp_ba + (reg)) 165 166#define snd_hdac_adsp_updateb(chip, reg, mask, val) \ 167 snd_hdac_adsp_writeb(chip, reg, \ 168 (snd_hdac_adsp_readb(chip, reg) & ~(mask)) | (val)) 169#define snd_hdac_adsp_updatew(chip, reg, mask, val) \ 170 snd_hdac_adsp_writew(chip, reg, \ 171 (snd_hdac_adsp_readw(chip, reg) & ~(mask)) | (val)) 172#define snd_hdac_adsp_updatel(chip, reg, mask, val) \ 173 snd_hdac_adsp_writel(chip, reg, \ 174 (snd_hdac_adsp_readl(chip, reg) & ~(mask)) | (val)) 175#define snd_hdac_adsp_updateq(chip, reg, mask, val) \ 176 snd_hdac_adsp_writeq(chip, reg, \ 177 (snd_hdac_adsp_readq(chip, reg) & ~(mask)) | (val)) 178 179#define snd_hdac_adsp_readb_poll(chip, reg, val, cond, delay_us, timeout_us) \ 180 readb_poll_timeout((chip)->dsp_ba + (reg), val, cond, \ 181 delay_us, timeout_us) 182#define snd_hdac_adsp_readw_poll(chip, reg, val, cond, delay_us, timeout_us) \ 183 readw_poll_timeout((chip)->dsp_ba + (reg), val, cond, \ 184 delay_us, timeout_us) 185#define snd_hdac_adsp_readl_poll(chip, reg, val, cond, delay_us, timeout_us) \ 186 readl_poll_timeout((chip)->dsp_ba + (reg), val, cond, \ 187 delay_us, timeout_us) 188#define snd_hdac_adsp_readq_poll(chip, reg, val, cond, delay_us, timeout_us) \ 189 readq_poll_timeout((chip)->dsp_ba + (reg), val, cond, \ 190 delay_us, timeout_us) 191#define snd_hdac_stream_readb_poll(strm, reg, val, cond, delay_us, timeout_us) \ 192 readb_poll_timeout((strm)->sd_addr + AZX_REG_ ## reg, val, cond, \ 193 delay_us, timeout_us) 194#define snd_hdac_stream_readl_poll(strm, reg, val, cond, delay_us, timeout_us) \ 195 readl_poll_timeout((strm)->sd_addr + AZX_REG_ ## reg, val, cond, \ 196 delay_us, timeout_us) 197 198struct hdac_ext_device; 199 200/* ops common to all codec drivers */ 201struct hdac_ext_codec_ops { 202 int (*build_controls)(struct hdac_ext_device *dev); 203 int (*init)(struct hdac_ext_device *dev); 204 void (*free)(struct hdac_ext_device *dev); 205}; 206 207struct hda_dai_map { 208 char *dai_name; 209 hda_nid_t nid; 210 u32 maxbps; 211}; 212 213struct hdac_ext_dma_params { 214 u32 format; 215 u8 stream_tag; 216}; 217 218int snd_hda_ext_driver_register(struct hdac_driver *drv); 219void snd_hda_ext_driver_unregister(struct hdac_driver *drv); 220 221#endif /* __SOUND_HDAUDIO_EXT_H */