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11#include <linux/ioport.h>
12#include <linux/kernel.h>
13#include <linux/module.h>
14#include <linux/pci.h>
15#include <linux/pm_runtime.h>
16#include <linux/property.h>
17
18#include "intel-lpss.h"
19
20static int intel_lpss_pci_probe(struct pci_dev *pdev,
21 const struct pci_device_id *id)
22{
23 struct intel_lpss_platform_info *info;
24 int ret;
25
26 ret = pcim_enable_device(pdev);
27 if (ret)
28 return ret;
29
30 info = devm_kmemdup(&pdev->dev, (void *)id->driver_data, sizeof(*info),
31 GFP_KERNEL);
32 if (!info)
33 return -ENOMEM;
34
35 info->mem = &pdev->resource[0];
36 info->irq = pdev->irq;
37
38
39 pci_set_master(pdev);
40 pci_try_set_mwi(pdev);
41
42 ret = intel_lpss_probe(&pdev->dev, info);
43 if (ret)
44 return ret;
45
46 pm_runtime_put(&pdev->dev);
47 pm_runtime_allow(&pdev->dev);
48
49 return 0;
50}
51
52static void intel_lpss_pci_remove(struct pci_dev *pdev)
53{
54 pm_runtime_forbid(&pdev->dev);
55 pm_runtime_get_sync(&pdev->dev);
56
57 intel_lpss_remove(&pdev->dev);
58}
59
60static INTEL_LPSS_PM_OPS(intel_lpss_pci_pm_ops);
61
62static const struct intel_lpss_platform_info spt_info = {
63 .clk_rate = 120000000,
64};
65
66static struct property_entry spt_i2c_properties[] = {
67 PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 230),
68 { },
69};
70
71static const struct intel_lpss_platform_info spt_i2c_info = {
72 .clk_rate = 120000000,
73 .properties = spt_i2c_properties,
74};
75
76static struct property_entry uart_properties[] = {
77 PROPERTY_ENTRY_U32("reg-io-width", 4),
78 PROPERTY_ENTRY_U32("reg-shift", 2),
79 PROPERTY_ENTRY_BOOL("snps,uart-16550-compatible"),
80 { },
81};
82
83static const struct intel_lpss_platform_info spt_uart_info = {
84 .clk_rate = 120000000,
85 .clk_con_id = "baudclk",
86 .properties = uart_properties,
87};
88
89static const struct intel_lpss_platform_info bxt_info = {
90 .clk_rate = 100000000,
91};
92
93static const struct intel_lpss_platform_info bxt_uart_info = {
94 .clk_rate = 100000000,
95 .clk_con_id = "baudclk",
96 .properties = uart_properties,
97};
98
99static struct property_entry bxt_i2c_properties[] = {
100 PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 42),
101 PROPERTY_ENTRY_U32("i2c-sda-falling-time-ns", 171),
102 PROPERTY_ENTRY_U32("i2c-scl-falling-time-ns", 208),
103 { },
104};
105
106static const struct intel_lpss_platform_info bxt_i2c_info = {
107 .clk_rate = 133000000,
108 .properties = bxt_i2c_properties,
109};
110
111static struct property_entry apl_i2c_properties[] = {
112 PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 207),
113 PROPERTY_ENTRY_U32("i2c-sda-falling-time-ns", 171),
114 PROPERTY_ENTRY_U32("i2c-scl-falling-time-ns", 208),
115 { },
116};
117
118static const struct intel_lpss_platform_info apl_i2c_info = {
119 .clk_rate = 133000000,
120 .properties = apl_i2c_properties,
121};
122
123static const struct intel_lpss_platform_info cnl_i2c_info = {
124 .clk_rate = 216000000,
125 .properties = spt_i2c_properties,
126};
127
128static const struct pci_device_id intel_lpss_pci_ids[] = {
129
130 { PCI_VDEVICE(INTEL, 0x02a8), (kernel_ulong_t)&spt_uart_info },
131 { PCI_VDEVICE(INTEL, 0x02a9), (kernel_ulong_t)&spt_uart_info },
132 { PCI_VDEVICE(INTEL, 0x02aa), (kernel_ulong_t)&spt_info },
133 { PCI_VDEVICE(INTEL, 0x02ab), (kernel_ulong_t)&spt_info },
134 { PCI_VDEVICE(INTEL, 0x02c5), (kernel_ulong_t)&cnl_i2c_info },
135 { PCI_VDEVICE(INTEL, 0x02c6), (kernel_ulong_t)&cnl_i2c_info },
136 { PCI_VDEVICE(INTEL, 0x02c7), (kernel_ulong_t)&spt_uart_info },
137 { PCI_VDEVICE(INTEL, 0x02e8), (kernel_ulong_t)&cnl_i2c_info },
138 { PCI_VDEVICE(INTEL, 0x02e9), (kernel_ulong_t)&cnl_i2c_info },
139 { PCI_VDEVICE(INTEL, 0x02ea), (kernel_ulong_t)&cnl_i2c_info },
140 { PCI_VDEVICE(INTEL, 0x02eb), (kernel_ulong_t)&cnl_i2c_info },
141 { PCI_VDEVICE(INTEL, 0x02fb), (kernel_ulong_t)&spt_info },
142
143 { PCI_VDEVICE(INTEL, 0x0aac), (kernel_ulong_t)&bxt_i2c_info },
144 { PCI_VDEVICE(INTEL, 0x0aae), (kernel_ulong_t)&bxt_i2c_info },
145 { PCI_VDEVICE(INTEL, 0x0ab0), (kernel_ulong_t)&bxt_i2c_info },
146 { PCI_VDEVICE(INTEL, 0x0ab2), (kernel_ulong_t)&bxt_i2c_info },
147 { PCI_VDEVICE(INTEL, 0x0ab4), (kernel_ulong_t)&bxt_i2c_info },
148 { PCI_VDEVICE(INTEL, 0x0ab6), (kernel_ulong_t)&bxt_i2c_info },
149 { PCI_VDEVICE(INTEL, 0x0ab8), (kernel_ulong_t)&bxt_i2c_info },
150 { PCI_VDEVICE(INTEL, 0x0aba), (kernel_ulong_t)&bxt_i2c_info },
151 { PCI_VDEVICE(INTEL, 0x0abc), (kernel_ulong_t)&bxt_uart_info },
152 { PCI_VDEVICE(INTEL, 0x0abe), (kernel_ulong_t)&bxt_uart_info },
153 { PCI_VDEVICE(INTEL, 0x0ac0), (kernel_ulong_t)&bxt_uart_info },
154 { PCI_VDEVICE(INTEL, 0x0ac2), (kernel_ulong_t)&bxt_info },
155 { PCI_VDEVICE(INTEL, 0x0ac4), (kernel_ulong_t)&bxt_info },
156 { PCI_VDEVICE(INTEL, 0x0ac6), (kernel_ulong_t)&bxt_info },
157 { PCI_VDEVICE(INTEL, 0x0aee), (kernel_ulong_t)&bxt_uart_info },
158
159 { PCI_VDEVICE(INTEL, 0x1aac), (kernel_ulong_t)&bxt_i2c_info },
160 { PCI_VDEVICE(INTEL, 0x1aae), (kernel_ulong_t)&bxt_i2c_info },
161 { PCI_VDEVICE(INTEL, 0x1ab0), (kernel_ulong_t)&bxt_i2c_info },
162 { PCI_VDEVICE(INTEL, 0x1ab2), (kernel_ulong_t)&bxt_i2c_info },
163 { PCI_VDEVICE(INTEL, 0x1ab4), (kernel_ulong_t)&bxt_i2c_info },
164 { PCI_VDEVICE(INTEL, 0x1ab6), (kernel_ulong_t)&bxt_i2c_info },
165 { PCI_VDEVICE(INTEL, 0x1ab8), (kernel_ulong_t)&bxt_i2c_info },
166 { PCI_VDEVICE(INTEL, 0x1aba), (kernel_ulong_t)&bxt_i2c_info },
167 { PCI_VDEVICE(INTEL, 0x1abc), (kernel_ulong_t)&bxt_uart_info },
168 { PCI_VDEVICE(INTEL, 0x1abe), (kernel_ulong_t)&bxt_uart_info },
169 { PCI_VDEVICE(INTEL, 0x1ac0), (kernel_ulong_t)&bxt_uart_info },
170 { PCI_VDEVICE(INTEL, 0x1ac2), (kernel_ulong_t)&bxt_info },
171 { PCI_VDEVICE(INTEL, 0x1ac4), (kernel_ulong_t)&bxt_info },
172 { PCI_VDEVICE(INTEL, 0x1ac6), (kernel_ulong_t)&bxt_info },
173 { PCI_VDEVICE(INTEL, 0x1aee), (kernel_ulong_t)&bxt_uart_info },
174
175 { PCI_VDEVICE(INTEL, 0x31ac), (kernel_ulong_t)&bxt_i2c_info },
176 { PCI_VDEVICE(INTEL, 0x31ae), (kernel_ulong_t)&bxt_i2c_info },
177 { PCI_VDEVICE(INTEL, 0x31b0), (kernel_ulong_t)&bxt_i2c_info },
178 { PCI_VDEVICE(INTEL, 0x31b2), (kernel_ulong_t)&bxt_i2c_info },
179 { PCI_VDEVICE(INTEL, 0x31b4), (kernel_ulong_t)&bxt_i2c_info },
180 { PCI_VDEVICE(INTEL, 0x31b6), (kernel_ulong_t)&bxt_i2c_info },
181 { PCI_VDEVICE(INTEL, 0x31b8), (kernel_ulong_t)&bxt_i2c_info },
182 { PCI_VDEVICE(INTEL, 0x31ba), (kernel_ulong_t)&bxt_i2c_info },
183 { PCI_VDEVICE(INTEL, 0x31bc), (kernel_ulong_t)&bxt_uart_info },
184 { PCI_VDEVICE(INTEL, 0x31be), (kernel_ulong_t)&bxt_uart_info },
185 { PCI_VDEVICE(INTEL, 0x31c0), (kernel_ulong_t)&bxt_uart_info },
186 { PCI_VDEVICE(INTEL, 0x31ee), (kernel_ulong_t)&bxt_uart_info },
187 { PCI_VDEVICE(INTEL, 0x31c2), (kernel_ulong_t)&bxt_info },
188 { PCI_VDEVICE(INTEL, 0x31c4), (kernel_ulong_t)&bxt_info },
189 { PCI_VDEVICE(INTEL, 0x31c6), (kernel_ulong_t)&bxt_info },
190
191 { PCI_VDEVICE(INTEL, 0x34a8), (kernel_ulong_t)&spt_uart_info },
192 { PCI_VDEVICE(INTEL, 0x34a9), (kernel_ulong_t)&spt_uart_info },
193 { PCI_VDEVICE(INTEL, 0x34aa), (kernel_ulong_t)&spt_info },
194 { PCI_VDEVICE(INTEL, 0x34ab), (kernel_ulong_t)&spt_info },
195 { PCI_VDEVICE(INTEL, 0x34c5), (kernel_ulong_t)&bxt_i2c_info },
196 { PCI_VDEVICE(INTEL, 0x34c6), (kernel_ulong_t)&bxt_i2c_info },
197 { PCI_VDEVICE(INTEL, 0x34c7), (kernel_ulong_t)&spt_uart_info },
198 { PCI_VDEVICE(INTEL, 0x34e8), (kernel_ulong_t)&bxt_i2c_info },
199 { PCI_VDEVICE(INTEL, 0x34e9), (kernel_ulong_t)&bxt_i2c_info },
200 { PCI_VDEVICE(INTEL, 0x34ea), (kernel_ulong_t)&bxt_i2c_info },
201 { PCI_VDEVICE(INTEL, 0x34eb), (kernel_ulong_t)&bxt_i2c_info },
202 { PCI_VDEVICE(INTEL, 0x34fb), (kernel_ulong_t)&spt_info },
203
204 { PCI_VDEVICE(INTEL, 0x5aac), (kernel_ulong_t)&apl_i2c_info },
205 { PCI_VDEVICE(INTEL, 0x5aae), (kernel_ulong_t)&apl_i2c_info },
206 { PCI_VDEVICE(INTEL, 0x5ab0), (kernel_ulong_t)&apl_i2c_info },
207 { PCI_VDEVICE(INTEL, 0x5ab2), (kernel_ulong_t)&apl_i2c_info },
208 { PCI_VDEVICE(INTEL, 0x5ab4), (kernel_ulong_t)&apl_i2c_info },
209 { PCI_VDEVICE(INTEL, 0x5ab6), (kernel_ulong_t)&apl_i2c_info },
210 { PCI_VDEVICE(INTEL, 0x5ab8), (kernel_ulong_t)&apl_i2c_info },
211 { PCI_VDEVICE(INTEL, 0x5aba), (kernel_ulong_t)&apl_i2c_info },
212 { PCI_VDEVICE(INTEL, 0x5abc), (kernel_ulong_t)&bxt_uart_info },
213 { PCI_VDEVICE(INTEL, 0x5abe), (kernel_ulong_t)&bxt_uart_info },
214 { PCI_VDEVICE(INTEL, 0x5ac0), (kernel_ulong_t)&bxt_uart_info },
215 { PCI_VDEVICE(INTEL, 0x5ac2), (kernel_ulong_t)&bxt_info },
216 { PCI_VDEVICE(INTEL, 0x5ac4), (kernel_ulong_t)&bxt_info },
217 { PCI_VDEVICE(INTEL, 0x5ac6), (kernel_ulong_t)&bxt_info },
218 { PCI_VDEVICE(INTEL, 0x5aee), (kernel_ulong_t)&bxt_uart_info },
219
220 { PCI_VDEVICE(INTEL, 0x9d27), (kernel_ulong_t)&spt_uart_info },
221 { PCI_VDEVICE(INTEL, 0x9d28), (kernel_ulong_t)&spt_uart_info },
222 { PCI_VDEVICE(INTEL, 0x9d29), (kernel_ulong_t)&spt_info },
223 { PCI_VDEVICE(INTEL, 0x9d2a), (kernel_ulong_t)&spt_info },
224 { PCI_VDEVICE(INTEL, 0x9d60), (kernel_ulong_t)&spt_i2c_info },
225 { PCI_VDEVICE(INTEL, 0x9d61), (kernel_ulong_t)&spt_i2c_info },
226 { PCI_VDEVICE(INTEL, 0x9d62), (kernel_ulong_t)&spt_i2c_info },
227 { PCI_VDEVICE(INTEL, 0x9d63), (kernel_ulong_t)&spt_i2c_info },
228 { PCI_VDEVICE(INTEL, 0x9d64), (kernel_ulong_t)&spt_i2c_info },
229 { PCI_VDEVICE(INTEL, 0x9d65), (kernel_ulong_t)&spt_i2c_info },
230 { PCI_VDEVICE(INTEL, 0x9d66), (kernel_ulong_t)&spt_uart_info },
231
232 { PCI_VDEVICE(INTEL, 0x9da8), (kernel_ulong_t)&spt_uart_info },
233 { PCI_VDEVICE(INTEL, 0x9da9), (kernel_ulong_t)&spt_uart_info },
234 { PCI_VDEVICE(INTEL, 0x9daa), (kernel_ulong_t)&spt_info },
235 { PCI_VDEVICE(INTEL, 0x9dab), (kernel_ulong_t)&spt_info },
236 { PCI_VDEVICE(INTEL, 0x9dfb), (kernel_ulong_t)&spt_info },
237 { PCI_VDEVICE(INTEL, 0x9dc5), (kernel_ulong_t)&cnl_i2c_info },
238 { PCI_VDEVICE(INTEL, 0x9dc6), (kernel_ulong_t)&cnl_i2c_info },
239 { PCI_VDEVICE(INTEL, 0x9dc7), (kernel_ulong_t)&spt_uart_info },
240 { PCI_VDEVICE(INTEL, 0x9de8), (kernel_ulong_t)&cnl_i2c_info },
241 { PCI_VDEVICE(INTEL, 0x9de9), (kernel_ulong_t)&cnl_i2c_info },
242 { PCI_VDEVICE(INTEL, 0x9dea), (kernel_ulong_t)&cnl_i2c_info },
243 { PCI_VDEVICE(INTEL, 0x9deb), (kernel_ulong_t)&cnl_i2c_info },
244
245 { PCI_VDEVICE(INTEL, 0xa127), (kernel_ulong_t)&spt_uart_info },
246 { PCI_VDEVICE(INTEL, 0xa128), (kernel_ulong_t)&spt_uart_info },
247 { PCI_VDEVICE(INTEL, 0xa129), (kernel_ulong_t)&spt_info },
248 { PCI_VDEVICE(INTEL, 0xa12a), (kernel_ulong_t)&spt_info },
249 { PCI_VDEVICE(INTEL, 0xa160), (kernel_ulong_t)&spt_i2c_info },
250 { PCI_VDEVICE(INTEL, 0xa161), (kernel_ulong_t)&spt_i2c_info },
251 { PCI_VDEVICE(INTEL, 0xa162), (kernel_ulong_t)&spt_i2c_info },
252 { PCI_VDEVICE(INTEL, 0xa166), (kernel_ulong_t)&spt_uart_info },
253
254 { PCI_VDEVICE(INTEL, 0xa2a7), (kernel_ulong_t)&spt_uart_info },
255 { PCI_VDEVICE(INTEL, 0xa2a8), (kernel_ulong_t)&spt_uart_info },
256 { PCI_VDEVICE(INTEL, 0xa2a9), (kernel_ulong_t)&spt_info },
257 { PCI_VDEVICE(INTEL, 0xa2aa), (kernel_ulong_t)&spt_info },
258 { PCI_VDEVICE(INTEL, 0xa2e0), (kernel_ulong_t)&spt_i2c_info },
259 { PCI_VDEVICE(INTEL, 0xa2e1), (kernel_ulong_t)&spt_i2c_info },
260 { PCI_VDEVICE(INTEL, 0xa2e2), (kernel_ulong_t)&spt_i2c_info },
261 { PCI_VDEVICE(INTEL, 0xa2e3), (kernel_ulong_t)&spt_i2c_info },
262 { PCI_VDEVICE(INTEL, 0xa2e6), (kernel_ulong_t)&spt_uart_info },
263
264 { PCI_VDEVICE(INTEL, 0xa328), (kernel_ulong_t)&spt_uart_info },
265 { PCI_VDEVICE(INTEL, 0xa329), (kernel_ulong_t)&spt_uart_info },
266 { PCI_VDEVICE(INTEL, 0xa32a), (kernel_ulong_t)&spt_info },
267 { PCI_VDEVICE(INTEL, 0xa32b), (kernel_ulong_t)&spt_info },
268 { PCI_VDEVICE(INTEL, 0xa37b), (kernel_ulong_t)&spt_info },
269 { PCI_VDEVICE(INTEL, 0xa347), (kernel_ulong_t)&spt_uart_info },
270 { PCI_VDEVICE(INTEL, 0xa368), (kernel_ulong_t)&cnl_i2c_info },
271 { PCI_VDEVICE(INTEL, 0xa369), (kernel_ulong_t)&cnl_i2c_info },
272 { PCI_VDEVICE(INTEL, 0xa36a), (kernel_ulong_t)&cnl_i2c_info },
273 { PCI_VDEVICE(INTEL, 0xa36b), (kernel_ulong_t)&cnl_i2c_info },
274 { }
275};
276MODULE_DEVICE_TABLE(pci, intel_lpss_pci_ids);
277
278static struct pci_driver intel_lpss_pci_driver = {
279 .name = "intel-lpss",
280 .id_table = intel_lpss_pci_ids,
281 .probe = intel_lpss_pci_probe,
282 .remove = intel_lpss_pci_remove,
283 .driver = {
284 .pm = &intel_lpss_pci_pm_ops,
285 },
286};
287
288module_pci_driver(intel_lpss_pci_driver);
289
290MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
291MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
292MODULE_DESCRIPTION("Intel LPSS PCI driver");
293MODULE_LICENSE("GPL v2");
294
