Lines Matching +full:disable +full:- +full:wp
2 * HD-audio controller helpers
17 for (timeout = 1000; timeout > 0; timeout--) { in azx_clear_corbrp()
23 dev_err(bus->dev, "CORB reset timeout#1, CORBRP = %d\n", in azx_clear_corbrp()
27 for (timeout = 1000; timeout > 0; timeout--) { in azx_clear_corbrp()
33 dev_err(bus->dev, "CORB reset timeout#2, CORBRP = %d\n", in azx_clear_corbrp()
38 * snd_hdac_bus_init_cmd_io - set up CORB/RIRB buffers
39 * @bus: HD-audio core bus
43 WARN_ON_ONCE(!bus->rb.area); in snd_hdac_bus_init_cmd_io()
45 spin_lock_irq(&bus->reg_lock); in snd_hdac_bus_init_cmd_io()
47 bus->corb.addr = bus->rb.addr; in snd_hdac_bus_init_cmd_io()
48 bus->corb.buf = (__le32 *)bus->rb.area; in snd_hdac_bus_init_cmd_io()
49 snd_hdac_chip_writel(bus, CORBLBASE, (u32)bus->corb.addr); in snd_hdac_bus_init_cmd_io()
50 snd_hdac_chip_writel(bus, CORBUBASE, upper_32_bits(bus->corb.addr)); in snd_hdac_bus_init_cmd_io()
59 if (!bus->corbrp_self_clear) in snd_hdac_bus_init_cmd_io()
66 bus->rirb.addr = bus->rb.addr + 2048; in snd_hdac_bus_init_cmd_io()
67 bus->rirb.buf = (__le32 *)(bus->rb.area + 2048); in snd_hdac_bus_init_cmd_io()
68 bus->rirb.wp = bus->rirb.rp = 0; in snd_hdac_bus_init_cmd_io()
69 memset(bus->rirb.cmds, 0, sizeof(bus->rirb.cmds)); in snd_hdac_bus_init_cmd_io()
70 snd_hdac_chip_writel(bus, RIRBLBASE, (u32)bus->rirb.addr); in snd_hdac_bus_init_cmd_io()
71 snd_hdac_chip_writel(bus, RIRBUBASE, upper_32_bits(bus->rirb.addr)); in snd_hdac_bus_init_cmd_io()
81 spin_unlock_irq(&bus->reg_lock); in snd_hdac_bus_init_cmd_io()
102 * snd_hdac_bus_stop_cmd_io - clean up CORB/RIRB buffers
103 * @bus: HD-audio core bus
107 spin_lock_irq(&bus->reg_lock); in snd_hdac_bus_stop_cmd_io()
108 /* disable ringbuffer DMAs */ in snd_hdac_bus_stop_cmd_io()
111 spin_unlock_irq(&bus->reg_lock); in snd_hdac_bus_stop_cmd_io()
115 spin_lock_irq(&bus->reg_lock); in snd_hdac_bus_stop_cmd_io()
116 /* disable unsolicited responses */ in snd_hdac_bus_stop_cmd_io()
118 spin_unlock_irq(&bus->reg_lock); in snd_hdac_bus_stop_cmd_io()
132 * snd_hdac_bus_send_cmd - send a command verb via CORB
133 * @bus: HD-audio core bus
141 unsigned int wp, rp; in snd_hdac_bus_send_cmd() local
143 spin_lock_irq(&bus->reg_lock); in snd_hdac_bus_send_cmd()
145 bus->last_cmd[azx_command_addr(val)] = val; in snd_hdac_bus_send_cmd()
148 wp = snd_hdac_chip_readw(bus, CORBWP); in snd_hdac_bus_send_cmd()
149 if (wp == 0xffff) { in snd_hdac_bus_send_cmd()
151 spin_unlock_irq(&bus->reg_lock); in snd_hdac_bus_send_cmd()
152 return -EIO; in snd_hdac_bus_send_cmd()
154 wp++; in snd_hdac_bus_send_cmd()
155 wp %= AZX_MAX_CORB_ENTRIES; in snd_hdac_bus_send_cmd()
158 if (wp == rp) { in snd_hdac_bus_send_cmd()
160 spin_unlock_irq(&bus->reg_lock); in snd_hdac_bus_send_cmd()
161 return -EAGAIN; in snd_hdac_bus_send_cmd()
164 bus->rirb.cmds[addr]++; in snd_hdac_bus_send_cmd()
165 bus->corb.buf[wp] = cpu_to_le32(val); in snd_hdac_bus_send_cmd()
166 snd_hdac_chip_writew(bus, CORBWP, wp); in snd_hdac_bus_send_cmd()
168 spin_unlock_irq(&bus->reg_lock); in snd_hdac_bus_send_cmd()
177 * snd_hdac_bus_update_rirb - retrieve RIRB entries
178 * @bus: HD-audio core bus
184 unsigned int rp, wp; in snd_hdac_bus_update_rirb() local
188 wp = snd_hdac_chip_readw(bus, RIRBWP); in snd_hdac_bus_update_rirb()
189 if (wp == 0xffff) { in snd_hdac_bus_update_rirb()
194 if (wp == bus->rirb.wp) in snd_hdac_bus_update_rirb()
196 bus->rirb.wp = wp; in snd_hdac_bus_update_rirb()
198 while (bus->rirb.rp != wp) { in snd_hdac_bus_update_rirb()
199 bus->rirb.rp++; in snd_hdac_bus_update_rirb()
200 bus->rirb.rp %= AZX_MAX_RIRB_ENTRIES; in snd_hdac_bus_update_rirb()
202 rp = bus->rirb.rp << 1; /* an RIRB entry is 8-bytes */ in snd_hdac_bus_update_rirb()
203 res_ex = le32_to_cpu(bus->rirb.buf[rp + 1]); in snd_hdac_bus_update_rirb()
204 res = le32_to_cpu(bus->rirb.buf[rp]); in snd_hdac_bus_update_rirb()
207 dev_err(bus->dev, in snd_hdac_bus_update_rirb()
208 "spurious response %#x:%#x, rp = %d, wp = %d", in snd_hdac_bus_update_rirb()
209 res, res_ex, bus->rirb.rp, wp); in snd_hdac_bus_update_rirb()
213 else if (bus->rirb.cmds[addr]) { in snd_hdac_bus_update_rirb()
214 bus->rirb.res[addr] = res; in snd_hdac_bus_update_rirb()
215 bus->rirb.cmds[addr]--; in snd_hdac_bus_update_rirb()
217 dev_err_ratelimited(bus->dev, in snd_hdac_bus_update_rirb()
219 res, res_ex, bus->last_cmd[addr]); in snd_hdac_bus_update_rirb()
226 * snd_hdac_bus_get_response - receive a response via RIRB
227 * @bus: HD-audio core bus
242 spin_lock_irq(&bus->reg_lock); in snd_hdac_bus_get_response()
243 if (!bus->rirb.cmds[addr]) { in snd_hdac_bus_get_response()
245 *res = bus->rirb.res[addr]; /* the last value */ in snd_hdac_bus_get_response()
246 spin_unlock_irq(&bus->reg_lock); in snd_hdac_bus_get_response()
249 spin_unlock_irq(&bus->reg_lock); in snd_hdac_bus_get_response()
260 return -EIO; in snd_hdac_bus_get_response()
266 * snd_hdac_bus_parse_capabilities - parse capability structure
283 dev_dbg(bus->dev, "Capability version: 0x%x\n", in snd_hdac_bus_parse_capabilities()
286 dev_dbg(bus->dev, "HDA capability ID: 0x%x\n", in snd_hdac_bus_parse_capabilities()
289 if (cur_cap == -1) { in snd_hdac_bus_parse_capabilities()
290 dev_dbg(bus->dev, "Invalid capability reg read\n"); in snd_hdac_bus_parse_capabilities()
296 dev_dbg(bus->dev, "Found ML capability\n"); in snd_hdac_bus_parse_capabilities()
297 bus->mlcap = bus->remap_addr + offset; in snd_hdac_bus_parse_capabilities()
301 dev_dbg(bus->dev, "Found GTS capability offset=%x\n", offset); in snd_hdac_bus_parse_capabilities()
302 bus->gtscap = bus->remap_addr + offset; in snd_hdac_bus_parse_capabilities()
307 dev_dbg(bus->dev, "Found PP capability offset=%x\n", offset); in snd_hdac_bus_parse_capabilities()
308 bus->ppcap = bus->remap_addr + offset; in snd_hdac_bus_parse_capabilities()
313 dev_dbg(bus->dev, "Found SPB capability\n"); in snd_hdac_bus_parse_capabilities()
314 bus->spbcap = bus->remap_addr + offset; in snd_hdac_bus_parse_capabilities()
319 dev_dbg(bus->dev, "Found DRSM capability\n"); in snd_hdac_bus_parse_capabilities()
320 bus->drsmcap = bus->remap_addr + offset; in snd_hdac_bus_parse_capabilities()
324 dev_err(bus->dev, "Unknown capability %d\n", cur_cap); in snd_hdac_bus_parse_capabilities()
332 dev_err(bus->dev, "We exceeded HDAC capabilities!!!\n"); in snd_hdac_bus_parse_capabilities()
350 * snd_hdac_bus_enter_link_reset - enter link reset
351 * @bus: HD-audio core bus
370 * snd_hdac_bus_exit_link_reset - exit link reset
371 * @bus: HD-audio core bus
413 dev_dbg(bus->dev, "controller not ready!\n"); in snd_hdac_bus_reset_link()
414 return -EBUSY; in snd_hdac_bus_reset_link()
421 if (!bus->codec_mask) { in snd_hdac_bus_reset_link()
422 bus->codec_mask = snd_hdac_chip_readw(bus, STATESTS); in snd_hdac_bus_reset_link()
423 dev_dbg(bus->dev, "codec_mask = 0x%lx\n", bus->codec_mask); in snd_hdac_bus_reset_link()
437 /* disable interrupts */
442 /* disable interrupts in stream descriptor */ in azx_int_disable()
443 list_for_each_entry(azx_dev, &bus->stream_list, list) in azx_int_disable()
446 /* disable SIE for all streams */ in azx_int_disable()
449 /* disable controller CIE and GIE */ in azx_int_disable()
459 list_for_each_entry(azx_dev, &bus->stream_list, list) in azx_int_clear()
473 * snd_hdac_bus_init_chip - reset and start the controller registers
474 * @bus: HD-audio core bus
479 if (bus->chip_init) in snd_hdac_bus_init_chip()
495 if (bus->use_posbuf && bus->posbuf.addr) { in snd_hdac_bus_init_chip()
496 snd_hdac_chip_writel(bus, DPLBASE, (u32)bus->posbuf.addr); in snd_hdac_bus_init_chip()
497 snd_hdac_chip_writel(bus, DPUBASE, upper_32_bits(bus->posbuf.addr)); in snd_hdac_bus_init_chip()
500 bus->chip_init = true; in snd_hdac_bus_init_chip()
506 * snd_hdac_bus_stop_chip - disable the whole IRQ and I/Os
507 * @bus: HD-audio core bus
511 if (!bus->chip_init) in snd_hdac_bus_stop_chip()
514 /* disable interrupts */ in snd_hdac_bus_stop_chip()
518 /* disable CORB/RIRB */ in snd_hdac_bus_stop_chip()
521 /* disable position buffer */ in snd_hdac_bus_stop_chip()
522 if (bus->posbuf.addr) { in snd_hdac_bus_stop_chip()
527 bus->chip_init = false; in snd_hdac_bus_stop_chip()
532 * snd_hdac_bus_handle_stream_irq - interrupt handler for streams
533 * @bus: HD-audio core bus
547 list_for_each_entry(azx_dev, &bus->stream_list, list) { in snd_hdac_bus_handle_stream_irq()
548 if (status & azx_dev->sd_int_sta_mask) { in snd_hdac_bus_handle_stream_irq()
551 handled |= 1 << azx_dev->index; in snd_hdac_bus_handle_stream_irq()
552 if (!azx_dev->substream || !azx_dev->running || in snd_hdac_bus_handle_stream_irq()
564 * snd_hdac_bus_alloc_stream_pages - allocate BDL and other buffers
565 * @bus: HD-audio core bus
576 list_for_each_entry(s, &bus->stream_list, list) { in snd_hdac_bus_alloc_stream_pages()
578 err = bus->io_ops->dma_alloc_pages(bus, SNDRV_DMA_TYPE_DEV, in snd_hdac_bus_alloc_stream_pages()
579 BDL_SIZE, &s->bdl); in snd_hdac_bus_alloc_stream_pages()
582 return -ENOMEM; in snd_hdac_bus_alloc_stream_pages()
586 return -EINVAL; in snd_hdac_bus_alloc_stream_pages()
588 err = bus->io_ops->dma_alloc_pages(bus, SNDRV_DMA_TYPE_DEV, in snd_hdac_bus_alloc_stream_pages()
589 num_streams * 8, &bus->posbuf); in snd_hdac_bus_alloc_stream_pages()
591 return -ENOMEM; in snd_hdac_bus_alloc_stream_pages()
592 list_for_each_entry(s, &bus->stream_list, list) in snd_hdac_bus_alloc_stream_pages()
593 s->posbuf = (__le32 *)(bus->posbuf.area + s->index * 8); in snd_hdac_bus_alloc_stream_pages()
596 return bus->io_ops->dma_alloc_pages(bus, SNDRV_DMA_TYPE_DEV, in snd_hdac_bus_alloc_stream_pages()
597 PAGE_SIZE, &bus->rb); in snd_hdac_bus_alloc_stream_pages()
602 * snd_hdac_bus_free_stream_pages - release BDL and other buffers
603 * @bus: HD-audio core bus
609 list_for_each_entry(s, &bus->stream_list, list) { in snd_hdac_bus_free_stream_pages()
610 if (s->bdl.area) in snd_hdac_bus_free_stream_pages()
611 bus->io_ops->dma_free_pages(bus, &s->bdl); in snd_hdac_bus_free_stream_pages()
614 if (bus->rb.area) in snd_hdac_bus_free_stream_pages()
615 bus->io_ops->dma_free_pages(bus, &bus->rb); in snd_hdac_bus_free_stream_pages()
616 if (bus->posbuf.area) in snd_hdac_bus_free_stream_pages()
617 bus->io_ops->dma_free_pages(bus, &bus->posbuf); in snd_hdac_bus_free_stream_pages()