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15#include <linux/acpi.h>
16#include <linux/dma-mapping.h>
17#include <linux/interrupt.h>
18#include <linux/module.h>
19#include <linux/pci.h>
20#include <linux/platform_device.h>
21#include <linux/pm_runtime.h>
22#include <sound/intel-dsp-config.h>
23#include <sound/soc.h>
24#include <sound/soc-acpi.h>
25#include <sound/soc-acpi-intel-match.h>
26#include "core.h"
27#include "registers.h"
28
29#define CREATE_TRACE_POINTS
30#include "trace.h"
31
32static int __maybe_unused catpt_suspend(struct device *dev)
33{
34 struct catpt_dev *cdev = dev_get_drvdata(dev);
35 struct dma_chan *chan;
36 int ret;
37
38 chan = catpt_dma_request_config_chan(cdev);
39 if (IS_ERR(chan))
40 return PTR_ERR(chan);
41
42 memset(&cdev->dx_ctx, 0, sizeof(cdev->dx_ctx));
43 ret = catpt_ipc_enter_dxstate(cdev, CATPT_DX_STATE_D3, &cdev->dx_ctx);
44 if (ret) {
45 ret = CATPT_IPC_ERROR(ret);
46 goto release_dma_chan;
47 }
48
49 ret = catpt_dsp_stall(cdev, true);
50 if (ret)
51 goto release_dma_chan;
52
53 ret = catpt_store_memdumps(cdev, chan);
54 if (ret) {
55 dev_err(cdev->dev, "store memdumps failed: %d\n", ret);
56 goto release_dma_chan;
57 }
58
59 ret = catpt_store_module_states(cdev, chan);
60 if (ret) {
61 dev_err(cdev->dev, "store module states failed: %d\n", ret);
62 goto release_dma_chan;
63 }
64
65 ret = catpt_store_streams_context(cdev, chan);
66 if (ret)
67 dev_err(cdev->dev, "store streams ctx failed: %d\n", ret);
68
69release_dma_chan:
70 dma_release_channel(chan);
71 if (ret)
72 return ret;
73 return catpt_dsp_power_down(cdev);
74}
75
76static int __maybe_unused catpt_resume(struct device *dev)
77{
78 struct catpt_dev *cdev = dev_get_drvdata(dev);
79 int ret, i;
80
81 ret = catpt_dsp_power_up(cdev);
82 if (ret)
83 return ret;
84
85 if (!try_module_get(dev->driver->owner)) {
86 dev_info(dev, "module unloading, skipping fw boot\n");
87 return 0;
88 }
89 module_put(dev->driver->owner);
90
91 ret = catpt_boot_firmware(cdev, true);
92 if (ret) {
93 dev_err(cdev->dev, "boot firmware failed: %d\n", ret);
94 return ret;
95 }
96
97
98 for (i = 0; i < CATPT_SSP_COUNT; i++) {
99 if (cdev->devfmt[i].iface == UINT_MAX)
100 continue;
101
102 ret = catpt_ipc_set_device_format(cdev, &cdev->devfmt[i]);
103 if (ret)
104 return CATPT_IPC_ERROR(ret);
105 }
106
107 return 0;
108}
109
110static int __maybe_unused catpt_runtime_suspend(struct device *dev)
111{
112 if (!try_module_get(dev->driver->owner)) {
113 dev_info(dev, "module unloading, skipping suspend\n");
114 return 0;
115 }
116 module_put(dev->driver->owner);
117
118 return catpt_suspend(dev);
119}
120
121static int __maybe_unused catpt_runtime_resume(struct device *dev)
122{
123 return catpt_resume(dev);
124}
125
126static const struct dev_pm_ops catpt_dev_pm = {
127 SET_SYSTEM_SLEEP_PM_OPS(catpt_suspend, catpt_resume)
128 SET_RUNTIME_PM_OPS(catpt_runtime_suspend, catpt_runtime_resume, NULL)
129};
130
131
132static void board_pdev_unregister(void *data)
133{
134 platform_device_unregister(data);
135}
136
137static int catpt_register_board(struct catpt_dev *cdev)
138{
139 const struct catpt_spec *spec = cdev->spec;
140 struct snd_soc_acpi_mach *mach;
141 struct platform_device *board;
142
143 mach = snd_soc_acpi_find_machine(spec->machines);
144 if (!mach) {
145 dev_info(cdev->dev, "no machines present\n");
146 return 0;
147 }
148
149 mach->mach_params.platform = "catpt-platform";
150 board = platform_device_register_data(NULL, mach->drv_name,
151 PLATFORM_DEVID_NONE,
152 (const void *)mach, sizeof(*mach));
153 if (IS_ERR(board)) {
154 dev_err(cdev->dev, "board register failed\n");
155 return PTR_ERR(board);
156 }
157
158 return devm_add_action_or_reset(cdev->dev, board_pdev_unregister,
159 board);
160}
161
162static int catpt_probe_components(struct catpt_dev *cdev)
163{
164 int ret;
165
166 ret = catpt_dsp_power_up(cdev);
167 if (ret)
168 return ret;
169
170 ret = catpt_dmac_probe(cdev);
171 if (ret) {
172 dev_err(cdev->dev, "DMAC probe failed: %d\n", ret);
173 goto err_dmac_probe;
174 }
175
176 ret = catpt_first_boot_firmware(cdev);
177 if (ret) {
178 dev_err(cdev->dev, "first fw boot failed: %d\n", ret);
179 goto err_boot_fw;
180 }
181
182 ret = catpt_register_plat_component(cdev);
183 if (ret) {
184 dev_err(cdev->dev, "register plat comp failed: %d\n", ret);
185 goto err_boot_fw;
186 }
187
188 ret = catpt_register_board(cdev);
189 if (ret) {
190 dev_err(cdev->dev, "register board failed: %d\n", ret);
191 goto err_reg_board;
192 }
193
194
195 pm_runtime_set_active(cdev->dev);
196
197 pm_runtime_set_autosuspend_delay(cdev->dev, 2000);
198 pm_runtime_use_autosuspend(cdev->dev);
199 pm_runtime_mark_last_busy(cdev->dev);
200 pm_runtime_enable(cdev->dev);
201 return 0;
202
203err_reg_board:
204 snd_soc_unregister_component(cdev->dev);
205err_boot_fw:
206 catpt_dmac_remove(cdev);
207err_dmac_probe:
208 catpt_dsp_power_down(cdev);
209
210 return ret;
211}
212
213static void catpt_dev_init(struct catpt_dev *cdev, struct device *dev,
214 const struct catpt_spec *spec)
215{
216 cdev->dev = dev;
217 cdev->spec = spec;
218 init_completion(&cdev->fw_ready);
219 INIT_LIST_HEAD(&cdev->stream_list);
220 spin_lock_init(&cdev->list_lock);
221 mutex_init(&cdev->clk_mutex);
222
223
224
225
226
227 cdev->devfmt[CATPT_SSP_IFACE_0].iface = UINT_MAX;
228 cdev->devfmt[CATPT_SSP_IFACE_1].iface = UINT_MAX;
229
230 catpt_ipc_init(&cdev->ipc, dev);
231
232 catpt_sram_init(&cdev->dram, spec->host_dram_offset,
233 catpt_dram_size(cdev));
234 catpt_sram_init(&cdev->iram, spec->host_iram_offset,
235 catpt_iram_size(cdev));
236}
237
238static int catpt_acpi_probe(struct platform_device *pdev)
239{
240 const struct catpt_spec *spec;
241 struct catpt_dev *cdev;
242 struct device *dev = &pdev->dev;
243 const struct acpi_device_id *id;
244 struct resource *res;
245 int ret;
246
247 id = acpi_match_device(dev->driver->acpi_match_table, dev);
248 if (!id)
249 return -ENODEV;
250
251 ret = snd_intel_acpi_dsp_driver_probe(dev, id->id);
252 if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SST) {
253 dev_dbg(dev, "CATPT ACPI driver not selected, aborting probe\n");
254 return -ENODEV;
255 }
256
257 spec = device_get_match_data(dev);
258 if (!spec)
259 return -ENODEV;
260
261 cdev = devm_kzalloc(dev, sizeof(*cdev), GFP_KERNEL);
262 if (!cdev)
263 return -ENOMEM;
264
265 catpt_dev_init(cdev, dev, spec);
266
267
268 cdev->lpe_ba = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
269 if (IS_ERR(cdev->lpe_ba))
270 return PTR_ERR(cdev->lpe_ba);
271 cdev->lpe_base = res->start;
272
273
274 cdev->pci_ba = devm_platform_ioremap_resource(pdev, 1);
275 if (IS_ERR(cdev->pci_ba))
276 return PTR_ERR(cdev->pci_ba);
277
278
279 cdev->dxbuf_vaddr = dmam_alloc_coherent(dev, catpt_dram_size(cdev),
280 &cdev->dxbuf_paddr, GFP_KERNEL);
281 if (!cdev->dxbuf_vaddr)
282 return -ENOMEM;
283
284 ret = platform_get_irq(pdev, 0);
285 if (ret < 0)
286 return ret;
287 cdev->irq = ret;
288
289 platform_set_drvdata(pdev, cdev);
290
291 ret = devm_request_threaded_irq(dev, cdev->irq, catpt_dsp_irq_handler,
292 catpt_dsp_irq_thread,
293 IRQF_SHARED, "AudioDSP", cdev);
294 if (ret)
295 return ret;
296
297 return catpt_probe_components(cdev);
298}
299
300static int catpt_acpi_remove(struct platform_device *pdev)
301{
302 struct catpt_dev *cdev = platform_get_drvdata(pdev);
303
304 pm_runtime_disable(cdev->dev);
305
306 snd_soc_unregister_component(cdev->dev);
307 catpt_dmac_remove(cdev);
308 catpt_dsp_power_down(cdev);
309
310 catpt_sram_free(&cdev->iram);
311 catpt_sram_free(&cdev->dram);
312
313 return 0;
314}
315
316static struct catpt_spec lpt_desc = {
317 .machines = snd_soc_acpi_intel_haswell_machines,
318 .core_id = 0x01,
319 .host_dram_offset = 0x000000,
320 .host_iram_offset = 0x080000,
321 .host_shim_offset = 0x0E7000,
322 .host_dma_offset = { 0x0F0000, 0x0F8000 },
323 .host_ssp_offset = { 0x0E8000, 0x0E9000 },
324 .dram_mask = LPT_VDRTCTL0_DSRAMPGE_MASK,
325 .iram_mask = LPT_VDRTCTL0_ISRAMPGE_MASK,
326 .d3srampgd_bit = LPT_VDRTCTL0_D3SRAMPGD,
327 .d3pgd_bit = LPT_VDRTCTL0_D3PGD,
328 .pll_shutdown = lpt_dsp_pll_shutdown,
329};
330
331static struct catpt_spec wpt_desc = {
332 .machines = snd_soc_acpi_intel_broadwell_machines,
333 .core_id = 0x02,
334 .host_dram_offset = 0x000000,
335 .host_iram_offset = 0x0A0000,
336 .host_shim_offset = 0x0FB000,
337 .host_dma_offset = { 0x0FE000, 0x0FF000 },
338 .host_ssp_offset = { 0x0FC000, 0x0FD000 },
339 .dram_mask = WPT_VDRTCTL0_DSRAMPGE_MASK,
340 .iram_mask = WPT_VDRTCTL0_ISRAMPGE_MASK,
341 .d3srampgd_bit = WPT_VDRTCTL0_D3SRAMPGD,
342 .d3pgd_bit = WPT_VDRTCTL0_D3PGD,
343 .pll_shutdown = wpt_dsp_pll_shutdown,
344};
345
346static const struct acpi_device_id catpt_ids[] = {
347 { "INT33C8", (unsigned long)&lpt_desc },
348 { "INT3438", (unsigned long)&wpt_desc },
349 { }
350};
351MODULE_DEVICE_TABLE(acpi, catpt_ids);
352
353static struct platform_driver catpt_acpi_driver = {
354 .probe = catpt_acpi_probe,
355 .remove = catpt_acpi_remove,
356 .driver = {
357 .name = "intel_catpt",
358 .acpi_match_table = catpt_ids,
359 .pm = &catpt_dev_pm,
360 .dev_groups = catpt_attr_groups,
361 },
362};
363module_platform_driver(catpt_acpi_driver);
364
365MODULE_AUTHOR("Cezary Rojewski <cezary.rojewski@intel.com>");
366MODULE_DESCRIPTION("Intel LPT/WPT AudioDSP driver");
367MODULE_LICENSE("GPL v2");
368
