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dm writecache: add cond_resched to loop in persistent_memory_claim()
[linux/fpc-iii.git] / drivers / interconnect / qcom / msm8974.c
blob3a313e11e73d76bf1f5392343d8d6aead33c1eb4
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (C) 2019 Brian Masney <masneyb@onstation.org>
4 *
5 * Based on MSM bus code from downstream MSM kernel sources.
6 * Copyright (c) 2012-2013 The Linux Foundation. All rights reserved.
7 *
8 * Based on qcs404.c
9 * Copyright (C) 2019 Linaro Ltd
10 *
11 * Here's a rough representation that shows the various buses that form the
12 * Network On Chip (NOC) for the msm8974:
13 *
14 * Multimedia Subsystem (MMSS)
15 * |----------+-----------------------------------+-----------|
16 * | |
17 * | |
18 * Config | Bus Interface | Memory Controller
19 * |------------+-+-----------| |------------+-+-----------|
20 * | |
21 * | |
22 * | System |
23 * |--------------+-+---------------------------------+-+-------------|
24 * | |
25 * | |
26 * Peripheral | On Chip | Memory (OCMEM)
27 * |------------+-------------| |------------+-------------|
28 */
29
30 #include <dt-bindings/interconnect/qcom,msm8974.h>
31 #include <linux/clk.h>
32 #include <linux/device.h>
33 #include <linux/interconnect-provider.h>
34 #include <linux/io.h>
35 #include <linux/module.h>
36 #include <linux/of_device.h>
37 #include <linux/of_platform.h>
38 #include <linux/platform_device.h>
39 #include <linux/slab.h>
40
41 #include "smd-rpm.h"
42
43 enum {
44 MSM8974_BIMC_MAS_AMPSS_M0 = 1,
45 MSM8974_BIMC_MAS_AMPSS_M1,
46 MSM8974_BIMC_MAS_MSS_PROC,
47 MSM8974_BIMC_TO_MNOC,
48 MSM8974_BIMC_TO_SNOC,
49 MSM8974_BIMC_SLV_EBI_CH0,
50 MSM8974_BIMC_SLV_AMPSS_L2,
51 MSM8974_CNOC_MAS_RPM_INST,
52 MSM8974_CNOC_MAS_RPM_DATA,
53 MSM8974_CNOC_MAS_RPM_SYS,
54 MSM8974_CNOC_MAS_DEHR,
55 MSM8974_CNOC_MAS_QDSS_DAP,
56 MSM8974_CNOC_MAS_SPDM,
57 MSM8974_CNOC_MAS_TIC,
58 MSM8974_CNOC_SLV_CLK_CTL,
59 MSM8974_CNOC_SLV_CNOC_MSS,
60 MSM8974_CNOC_SLV_SECURITY,
61 MSM8974_CNOC_SLV_TCSR,
62 MSM8974_CNOC_SLV_TLMM,
63 MSM8974_CNOC_SLV_CRYPTO_0_CFG,
64 MSM8974_CNOC_SLV_CRYPTO_1_CFG,
65 MSM8974_CNOC_SLV_IMEM_CFG,
66 MSM8974_CNOC_SLV_MESSAGE_RAM,
67 MSM8974_CNOC_SLV_BIMC_CFG,
68 MSM8974_CNOC_SLV_BOOT_ROM,
69 MSM8974_CNOC_SLV_PMIC_ARB,
70 MSM8974_CNOC_SLV_SPDM_WRAPPER,
71 MSM8974_CNOC_SLV_DEHR_CFG,
72 MSM8974_CNOC_SLV_MPM,
73 MSM8974_CNOC_SLV_QDSS_CFG,
74 MSM8974_CNOC_SLV_RBCPR_CFG,
75 MSM8974_CNOC_SLV_RBCPR_QDSS_APU_CFG,
76 MSM8974_CNOC_TO_SNOC,
77 MSM8974_CNOC_SLV_CNOC_ONOC_CFG,
78 MSM8974_CNOC_SLV_CNOC_MNOC_MMSS_CFG,
79 MSM8974_CNOC_SLV_CNOC_MNOC_CFG,
80 MSM8974_CNOC_SLV_PNOC_CFG,
81 MSM8974_CNOC_SLV_SNOC_MPU_CFG,
82 MSM8974_CNOC_SLV_SNOC_CFG,
83 MSM8974_CNOC_SLV_EBI1_DLL_CFG,
84 MSM8974_CNOC_SLV_PHY_APU_CFG,
85 MSM8974_CNOC_SLV_EBI1_PHY_CFG,
86 MSM8974_CNOC_SLV_RPM,
87 MSM8974_CNOC_SLV_SERVICE_CNOC,
88 MSM8974_MNOC_MAS_GRAPHICS_3D,
89 MSM8974_MNOC_MAS_JPEG,
90 MSM8974_MNOC_MAS_MDP_PORT0,
91 MSM8974_MNOC_MAS_VIDEO_P0,
92 MSM8974_MNOC_MAS_VIDEO_P1,
93 MSM8974_MNOC_MAS_VFE,
94 MSM8974_MNOC_TO_CNOC,
95 MSM8974_MNOC_TO_BIMC,
96 MSM8974_MNOC_SLV_CAMERA_CFG,
97 MSM8974_MNOC_SLV_DISPLAY_CFG,
98 MSM8974_MNOC_SLV_OCMEM_CFG,
99 MSM8974_MNOC_SLV_CPR_CFG,
100 MSM8974_MNOC_SLV_CPR_XPU_CFG,
101 MSM8974_MNOC_SLV_MISC_CFG,
102 MSM8974_MNOC_SLV_MISC_XPU_CFG,
103 MSM8974_MNOC_SLV_VENUS_CFG,
104 MSM8974_MNOC_SLV_GRAPHICS_3D_CFG,
105 MSM8974_MNOC_SLV_MMSS_CLK_CFG,
106 MSM8974_MNOC_SLV_MMSS_CLK_XPU_CFG,
107 MSM8974_MNOC_SLV_MNOC_MPU_CFG,
108 MSM8974_MNOC_SLV_ONOC_MPU_CFG,
109 MSM8974_MNOC_SLV_SERVICE_MNOC,
110 MSM8974_OCMEM_NOC_TO_OCMEM_VNOC,
111 MSM8974_OCMEM_MAS_JPEG_OCMEM,
112 MSM8974_OCMEM_MAS_MDP_OCMEM,
113 MSM8974_OCMEM_MAS_VIDEO_P0_OCMEM,
114 MSM8974_OCMEM_MAS_VIDEO_P1_OCMEM,
115 MSM8974_OCMEM_MAS_VFE_OCMEM,
116 MSM8974_OCMEM_MAS_CNOC_ONOC_CFG,
117 MSM8974_OCMEM_SLV_SERVICE_ONOC,
118 MSM8974_OCMEM_VNOC_TO_SNOC,
119 MSM8974_OCMEM_VNOC_TO_OCMEM_NOC,
120 MSM8974_OCMEM_VNOC_MAS_GFX3D,
121 MSM8974_OCMEM_SLV_OCMEM,
122 MSM8974_PNOC_MAS_PNOC_CFG,
123 MSM8974_PNOC_MAS_SDCC_1,
124 MSM8974_PNOC_MAS_SDCC_3,
125 MSM8974_PNOC_MAS_SDCC_4,
126 MSM8974_PNOC_MAS_SDCC_2,
127 MSM8974_PNOC_MAS_TSIF,
128 MSM8974_PNOC_MAS_BAM_DMA,
129 MSM8974_PNOC_MAS_BLSP_2,
130 MSM8974_PNOC_MAS_USB_HSIC,
131 MSM8974_PNOC_MAS_BLSP_1,
132 MSM8974_PNOC_MAS_USB_HS,
133 MSM8974_PNOC_TO_SNOC,
134 MSM8974_PNOC_SLV_SDCC_1,
135 MSM8974_PNOC_SLV_SDCC_3,
136 MSM8974_PNOC_SLV_SDCC_2,
137 MSM8974_PNOC_SLV_SDCC_4,
138 MSM8974_PNOC_SLV_TSIF,
139 MSM8974_PNOC_SLV_BAM_DMA,
140 MSM8974_PNOC_SLV_BLSP_2,
141 MSM8974_PNOC_SLV_USB_HSIC,
142 MSM8974_PNOC_SLV_BLSP_1,
143 MSM8974_PNOC_SLV_USB_HS,
144 MSM8974_PNOC_SLV_PDM,
145 MSM8974_PNOC_SLV_PERIPH_APU_CFG,
146 MSM8974_PNOC_SLV_PNOC_MPU_CFG,
147 MSM8974_PNOC_SLV_PRNG,
148 MSM8974_PNOC_SLV_SERVICE_PNOC,
149 MSM8974_SNOC_MAS_LPASS_AHB,
150 MSM8974_SNOC_MAS_QDSS_BAM,
151 MSM8974_SNOC_MAS_SNOC_CFG,
152 MSM8974_SNOC_TO_BIMC,
153 MSM8974_SNOC_TO_CNOC,
154 MSM8974_SNOC_TO_PNOC,
155 MSM8974_SNOC_TO_OCMEM_VNOC,
156 MSM8974_SNOC_MAS_CRYPTO_CORE0,
157 MSM8974_SNOC_MAS_CRYPTO_CORE1,
158 MSM8974_SNOC_MAS_LPASS_PROC,
159 MSM8974_SNOC_MAS_MSS,
160 MSM8974_SNOC_MAS_MSS_NAV,
161 MSM8974_SNOC_MAS_OCMEM_DMA,
162 MSM8974_SNOC_MAS_WCSS,
163 MSM8974_SNOC_MAS_QDSS_ETR,
164 MSM8974_SNOC_MAS_USB3,
165 MSM8974_SNOC_SLV_AMPSS,
166 MSM8974_SNOC_SLV_LPASS,
167 MSM8974_SNOC_SLV_USB3,
168 MSM8974_SNOC_SLV_WCSS,
169 MSM8974_SNOC_SLV_OCIMEM,
170 MSM8974_SNOC_SLV_SNOC_OCMEM,
171 MSM8974_SNOC_SLV_SERVICE_SNOC,
172 MSM8974_SNOC_SLV_QDSS_STM,
173 };
174
175 #define RPM_BUS_MASTER_REQ 0x73616d62
176 #define RPM_BUS_SLAVE_REQ 0x766c7362
177
178 #define to_msm8974_icc_provider(_provider) \
179 container_of(_provider, struct msm8974_icc_provider, provider)
180
181 static const struct clk_bulk_data msm8974_icc_bus_clocks[] = {
182 { .id = "bus" },
183 { .id = "bus_a" },
184 };
185
186 /**
187 * struct msm8974_icc_provider - Qualcomm specific interconnect provider
188 * @provider: generic interconnect provider
189 * @bus_clks: the clk_bulk_data table of bus clocks
190 * @num_clks: the total number of clk_bulk_data entries
191 */
192 struct msm8974_icc_provider {
193 struct icc_provider provider;
194 struct clk_bulk_data *bus_clks;
195 int num_clks;
196 };
197
198 #define MSM8974_ICC_MAX_LINKS 3
199
200 /**
201 * struct msm8974_icc_node - Qualcomm specific interconnect nodes
202 * @name: the node name used in debugfs
203 * @id: a unique node identifier
204 * @links: an array of nodes where we can go next while traversing
205 * @num_links: the total number of @links
206 * @buswidth: width of the interconnect between a node and the bus (bytes)
207 * @mas_rpm_id: RPM ID for devices that are bus masters
208 * @slv_rpm_id: RPM ID for devices that are bus slaves
209 * @rate: current bus clock rate in Hz
210 */
211 struct msm8974_icc_node {
212 unsigned char *name;
213 u16 id;
214 u16 links[MSM8974_ICC_MAX_LINKS];
215 u16 num_links;
216 u16 buswidth;
217 int mas_rpm_id;
218 int slv_rpm_id;
219 u64 rate;
220 };
221
222 struct msm8974_icc_desc {
223 struct msm8974_icc_node **nodes;
224 size_t num_nodes;
225 };
226
227 #define DEFINE_QNODE(_name, _id, _buswidth, _mas_rpm_id, _slv_rpm_id, \
228 ...) \
229 static struct msm8974_icc_node _name = { \
230 .name = #_name, \
231 .id = _id, \
232 .buswidth = _buswidth, \
233 .mas_rpm_id = _mas_rpm_id, \
234 .slv_rpm_id = _slv_rpm_id, \
235 .num_links = ARRAY_SIZE(((int[]){ __VA_ARGS__ })), \
236 .links = { __VA_ARGS__ }, \
237 }
238
239 DEFINE_QNODE(mas_ampss_m0, MSM8974_BIMC_MAS_AMPSS_M0, 8, 0, -1);
240 DEFINE_QNODE(mas_ampss_m1, MSM8974_BIMC_MAS_AMPSS_M1, 8, 0, -1);
241 DEFINE_QNODE(mas_mss_proc, MSM8974_BIMC_MAS_MSS_PROC, 8, 1, -1);
242 DEFINE_QNODE(bimc_to_mnoc, MSM8974_BIMC_TO_MNOC, 8, 2, -1, MSM8974_BIMC_SLV_EBI_CH0);
243 DEFINE_QNODE(bimc_to_snoc, MSM8974_BIMC_TO_SNOC, 8, 3, 2, MSM8974_SNOC_TO_BIMC, MSM8974_BIMC_SLV_EBI_CH0, MSM8974_BIMC_MAS_AMPSS_M0);
244 DEFINE_QNODE(slv_ebi_ch0, MSM8974_BIMC_SLV_EBI_CH0, 8, -1, 0);
245 DEFINE_QNODE(slv_ampss_l2, MSM8974_BIMC_SLV_AMPSS_L2, 8, -1, 1);
246
247 static struct msm8974_icc_node *msm8974_bimc_nodes[] = {
248 [BIMC_MAS_AMPSS_M0] = &mas_ampss_m0,
249 [BIMC_MAS_AMPSS_M1] = &mas_ampss_m1,
250 [BIMC_MAS_MSS_PROC] = &mas_mss_proc,
251 [BIMC_TO_MNOC] = &bimc_to_mnoc,
252 [BIMC_TO_SNOC] = &bimc_to_snoc,
253 [BIMC_SLV_EBI_CH0] = &slv_ebi_ch0,
254 [BIMC_SLV_AMPSS_L2] = &slv_ampss_l2,
255 };
256
257 static struct msm8974_icc_desc msm8974_bimc = {
258 .nodes = msm8974_bimc_nodes,
259 .num_nodes = ARRAY_SIZE(msm8974_bimc_nodes),
260 };
261
262 DEFINE_QNODE(mas_rpm_inst, MSM8974_CNOC_MAS_RPM_INST, 8, 45, -1);
263 DEFINE_QNODE(mas_rpm_data, MSM8974_CNOC_MAS_RPM_DATA, 8, 46, -1);
264 DEFINE_QNODE(mas_rpm_sys, MSM8974_CNOC_MAS_RPM_SYS, 8, 47, -1);
265 DEFINE_QNODE(mas_dehr, MSM8974_CNOC_MAS_DEHR, 8, 48, -1);
266 DEFINE_QNODE(mas_qdss_dap, MSM8974_CNOC_MAS_QDSS_DAP, 8, 49, -1);
267 DEFINE_QNODE(mas_spdm, MSM8974_CNOC_MAS_SPDM, 8, 50, -1);
268 DEFINE_QNODE(mas_tic, MSM8974_CNOC_MAS_TIC, 8, 51, -1);
269 DEFINE_QNODE(slv_clk_ctl, MSM8974_CNOC_SLV_CLK_CTL, 8, -1, 47);
270 DEFINE_QNODE(slv_cnoc_mss, MSM8974_CNOC_SLV_CNOC_MSS, 8, -1, 48);
271 DEFINE_QNODE(slv_security, MSM8974_CNOC_SLV_SECURITY, 8, -1, 49);
272 DEFINE_QNODE(slv_tcsr, MSM8974_CNOC_SLV_TCSR, 8, -1, 50);
273 DEFINE_QNODE(slv_tlmm, MSM8974_CNOC_SLV_TLMM, 8, -1, 51);
274 DEFINE_QNODE(slv_crypto_0_cfg, MSM8974_CNOC_SLV_CRYPTO_0_CFG, 8, -1, 52);
275 DEFINE_QNODE(slv_crypto_1_cfg, MSM8974_CNOC_SLV_CRYPTO_1_CFG, 8, -1, 53);
276 DEFINE_QNODE(slv_imem_cfg, MSM8974_CNOC_SLV_IMEM_CFG, 8, -1, 54);
277 DEFINE_QNODE(slv_message_ram, MSM8974_CNOC_SLV_MESSAGE_RAM, 8, -1, 55);
278 DEFINE_QNODE(slv_bimc_cfg, MSM8974_CNOC_SLV_BIMC_CFG, 8, -1, 56);
279 DEFINE_QNODE(slv_boot_rom, MSM8974_CNOC_SLV_BOOT_ROM, 8, -1, 57);
280 DEFINE_QNODE(slv_pmic_arb, MSM8974_CNOC_SLV_PMIC_ARB, 8, -1, 59);
281 DEFINE_QNODE(slv_spdm_wrapper, MSM8974_CNOC_SLV_SPDM_WRAPPER, 8, -1, 60);
282 DEFINE_QNODE(slv_dehr_cfg, MSM8974_CNOC_SLV_DEHR_CFG, 8, -1, 61);
283 DEFINE_QNODE(slv_mpm, MSM8974_CNOC_SLV_MPM, 8, -1, 62);
284 DEFINE_QNODE(slv_qdss_cfg, MSM8974_CNOC_SLV_QDSS_CFG, 8, -1, 63);
285 DEFINE_QNODE(slv_rbcpr_cfg, MSM8974_CNOC_SLV_RBCPR_CFG, 8, -1, 64);
286 DEFINE_QNODE(slv_rbcpr_qdss_apu_cfg, MSM8974_CNOC_SLV_RBCPR_QDSS_APU_CFG, 8, -1, 65);
287 DEFINE_QNODE(cnoc_to_snoc, MSM8974_CNOC_TO_SNOC, 8, 52, 75);
288 DEFINE_QNODE(slv_cnoc_onoc_cfg, MSM8974_CNOC_SLV_CNOC_ONOC_CFG, 8, -1, 68);
289 DEFINE_QNODE(slv_cnoc_mnoc_mmss_cfg, MSM8974_CNOC_SLV_CNOC_MNOC_MMSS_CFG, 8, -1, 58);
290 DEFINE_QNODE(slv_cnoc_mnoc_cfg, MSM8974_CNOC_SLV_CNOC_MNOC_CFG, 8, -1, 66);
291 DEFINE_QNODE(slv_pnoc_cfg, MSM8974_CNOC_SLV_PNOC_CFG, 8, -1, 69);
292 DEFINE_QNODE(slv_snoc_mpu_cfg, MSM8974_CNOC_SLV_SNOC_MPU_CFG, 8, -1, 67);
293 DEFINE_QNODE(slv_snoc_cfg, MSM8974_CNOC_SLV_SNOC_CFG, 8, -1, 70);
294 DEFINE_QNODE(slv_ebi1_dll_cfg, MSM8974_CNOC_SLV_EBI1_DLL_CFG, 8, -1, 71);
295 DEFINE_QNODE(slv_phy_apu_cfg, MSM8974_CNOC_SLV_PHY_APU_CFG, 8, -1, 72);
296 DEFINE_QNODE(slv_ebi1_phy_cfg, MSM8974_CNOC_SLV_EBI1_PHY_CFG, 8, -1, 73);
297 DEFINE_QNODE(slv_rpm, MSM8974_CNOC_SLV_RPM, 8, -1, 74);
298 DEFINE_QNODE(slv_service_cnoc, MSM8974_CNOC_SLV_SERVICE_CNOC, 8, -1, 76);
299
300 static struct msm8974_icc_node *msm8974_cnoc_nodes[] = {
301 [CNOC_MAS_RPM_INST] = &mas_rpm_inst,
302 [CNOC_MAS_RPM_DATA] = &mas_rpm_data,
303 [CNOC_MAS_RPM_SYS] = &mas_rpm_sys,
304 [CNOC_MAS_DEHR] = &mas_dehr,
305 [CNOC_MAS_QDSS_DAP] = &mas_qdss_dap,
306 [CNOC_MAS_SPDM] = &mas_spdm,
307 [CNOC_MAS_TIC] = &mas_tic,
308 [CNOC_SLV_CLK_CTL] = &slv_clk_ctl,
309 [CNOC_SLV_CNOC_MSS] = &slv_cnoc_mss,
310 [CNOC_SLV_SECURITY] = &slv_security,
311 [CNOC_SLV_TCSR] = &slv_tcsr,
312 [CNOC_SLV_TLMM] = &slv_tlmm,
313 [CNOC_SLV_CRYPTO_0_CFG] = &slv_crypto_0_cfg,
314 [CNOC_SLV_CRYPTO_1_CFG] = &slv_crypto_1_cfg,
315 [CNOC_SLV_IMEM_CFG] = &slv_imem_cfg,
316 [CNOC_SLV_MESSAGE_RAM] = &slv_message_ram,
317 [CNOC_SLV_BIMC_CFG] = &slv_bimc_cfg,
318 [CNOC_SLV_BOOT_ROM] = &slv_boot_rom,
319 [CNOC_SLV_PMIC_ARB] = &slv_pmic_arb,
320 [CNOC_SLV_SPDM_WRAPPER] = &slv_spdm_wrapper,
321 [CNOC_SLV_DEHR_CFG] = &slv_dehr_cfg,
322 [CNOC_SLV_MPM] = &slv_mpm,
323 [CNOC_SLV_QDSS_CFG] = &slv_qdss_cfg,
324 [CNOC_SLV_RBCPR_CFG] = &slv_rbcpr_cfg,
325 [CNOC_SLV_RBCPR_QDSS_APU_CFG] = &slv_rbcpr_qdss_apu_cfg,
326 [CNOC_TO_SNOC] = &cnoc_to_snoc,
327 [CNOC_SLV_CNOC_ONOC_CFG] = &slv_cnoc_onoc_cfg,
328 [CNOC_SLV_CNOC_MNOC_MMSS_CFG] = &slv_cnoc_mnoc_mmss_cfg,
329 [CNOC_SLV_CNOC_MNOC_CFG] = &slv_cnoc_mnoc_cfg,
330 [CNOC_SLV_PNOC_CFG] = &slv_pnoc_cfg,
331 [CNOC_SLV_SNOC_MPU_CFG] = &slv_snoc_mpu_cfg,
332 [CNOC_SLV_SNOC_CFG] = &slv_snoc_cfg,
333 [CNOC_SLV_EBI1_DLL_CFG] = &slv_ebi1_dll_cfg,
334 [CNOC_SLV_PHY_APU_CFG] = &slv_phy_apu_cfg,
335 [CNOC_SLV_EBI1_PHY_CFG] = &slv_ebi1_phy_cfg,
336 [CNOC_SLV_RPM] = &slv_rpm,
337 [CNOC_SLV_SERVICE_CNOC] = &slv_service_cnoc,
338 };
339
340 static struct msm8974_icc_desc msm8974_cnoc = {
341 .nodes = msm8974_cnoc_nodes,
342 .num_nodes = ARRAY_SIZE(msm8974_cnoc_nodes),
343 };
344
345 DEFINE_QNODE(mas_graphics_3d, MSM8974_MNOC_MAS_GRAPHICS_3D, 16, 6, -1, MSM8974_MNOC_TO_BIMC);
346 DEFINE_QNODE(mas_jpeg, MSM8974_MNOC_MAS_JPEG, 16, 7, -1, MSM8974_MNOC_TO_BIMC);
347 DEFINE_QNODE(mas_mdp_port0, MSM8974_MNOC_MAS_MDP_PORT0, 16, 8, -1, MSM8974_MNOC_TO_BIMC);
348 DEFINE_QNODE(mas_video_p0, MSM8974_MNOC_MAS_VIDEO_P0, 16, 9, -1);
349 DEFINE_QNODE(mas_video_p1, MSM8974_MNOC_MAS_VIDEO_P1, 16, 10, -1);
350 DEFINE_QNODE(mas_vfe, MSM8974_MNOC_MAS_VFE, 16, 11, -1, MSM8974_MNOC_TO_BIMC);
351 DEFINE_QNODE(mnoc_to_cnoc, MSM8974_MNOC_TO_CNOC, 16, 4, -1);
352 DEFINE_QNODE(mnoc_to_bimc, MSM8974_MNOC_TO_BIMC, 16, -1, 16, MSM8974_BIMC_TO_MNOC);
353 DEFINE_QNODE(slv_camera_cfg, MSM8974_MNOC_SLV_CAMERA_CFG, 16, -1, 3);
354 DEFINE_QNODE(slv_display_cfg, MSM8974_MNOC_SLV_DISPLAY_CFG, 16, -1, 4);
355 DEFINE_QNODE(slv_ocmem_cfg, MSM8974_MNOC_SLV_OCMEM_CFG, 16, -1, 5);
356 DEFINE_QNODE(slv_cpr_cfg, MSM8974_MNOC_SLV_CPR_CFG, 16, -1, 6);
357 DEFINE_QNODE(slv_cpr_xpu_cfg, MSM8974_MNOC_SLV_CPR_XPU_CFG, 16, -1, 7);
358 DEFINE_QNODE(slv_misc_cfg, MSM8974_MNOC_SLV_MISC_CFG, 16, -1, 8);
359 DEFINE_QNODE(slv_misc_xpu_cfg, MSM8974_MNOC_SLV_MISC_XPU_CFG, 16, -1, 9);
360 DEFINE_QNODE(slv_venus_cfg, MSM8974_MNOC_SLV_VENUS_CFG, 16, -1, 10);
361 DEFINE_QNODE(slv_graphics_3d_cfg, MSM8974_MNOC_SLV_GRAPHICS_3D_CFG, 16, -1, 11);
362 DEFINE_QNODE(slv_mmss_clk_cfg, MSM8974_MNOC_SLV_MMSS_CLK_CFG, 16, -1, 12);
363 DEFINE_QNODE(slv_mmss_clk_xpu_cfg, MSM8974_MNOC_SLV_MMSS_CLK_XPU_CFG, 16, -1, 13);
364 DEFINE_QNODE(slv_mnoc_mpu_cfg, MSM8974_MNOC_SLV_MNOC_MPU_CFG, 16, -1, 14);
365 DEFINE_QNODE(slv_onoc_mpu_cfg, MSM8974_MNOC_SLV_ONOC_MPU_CFG, 16, -1, 15);
366 DEFINE_QNODE(slv_service_mnoc, MSM8974_MNOC_SLV_SERVICE_MNOC, 16, -1, 17);
367
368 static struct msm8974_icc_node *msm8974_mnoc_nodes[] = {
369 [MNOC_MAS_GRAPHICS_3D] = &mas_graphics_3d,
370 [MNOC_MAS_JPEG] = &mas_jpeg,
371 [MNOC_MAS_MDP_PORT0] = &mas_mdp_port0,
372 [MNOC_MAS_VIDEO_P0] = &mas_video_p0,
373 [MNOC_MAS_VIDEO_P1] = &mas_video_p1,
374 [MNOC_MAS_VFE] = &mas_vfe,
375 [MNOC_TO_CNOC] = &mnoc_to_cnoc,
376 [MNOC_TO_BIMC] = &mnoc_to_bimc,
377 [MNOC_SLV_CAMERA_CFG] = &slv_camera_cfg,
378 [MNOC_SLV_DISPLAY_CFG] = &slv_display_cfg,
379 [MNOC_SLV_OCMEM_CFG] = &slv_ocmem_cfg,
380 [MNOC_SLV_CPR_CFG] = &slv_cpr_cfg,
381 [MNOC_SLV_CPR_XPU_CFG] = &slv_cpr_xpu_cfg,
382 [MNOC_SLV_MISC_CFG] = &slv_misc_cfg,
383 [MNOC_SLV_MISC_XPU_CFG] = &slv_misc_xpu_cfg,
384 [MNOC_SLV_VENUS_CFG] = &slv_venus_cfg,
385 [MNOC_SLV_GRAPHICS_3D_CFG] = &slv_graphics_3d_cfg,
386 [MNOC_SLV_MMSS_CLK_CFG] = &slv_mmss_clk_cfg,
387 [MNOC_SLV_MMSS_CLK_XPU_CFG] = &slv_mmss_clk_xpu_cfg,
388 [MNOC_SLV_MNOC_MPU_CFG] = &slv_mnoc_mpu_cfg,
389 [MNOC_SLV_ONOC_MPU_CFG] = &slv_onoc_mpu_cfg,
390 [MNOC_SLV_SERVICE_MNOC] = &slv_service_mnoc,
391 };
392
393 static struct msm8974_icc_desc msm8974_mnoc = {
394 .nodes = msm8974_mnoc_nodes,
395 .num_nodes = ARRAY_SIZE(msm8974_mnoc_nodes),
396 };
397
398 DEFINE_QNODE(ocmem_noc_to_ocmem_vnoc, MSM8974_OCMEM_NOC_TO_OCMEM_VNOC, 16, 54, 78, MSM8974_OCMEM_SLV_OCMEM);
399 DEFINE_QNODE(mas_jpeg_ocmem, MSM8974_OCMEM_MAS_JPEG_OCMEM, 16, 13, -1);
400 DEFINE_QNODE(mas_mdp_ocmem, MSM8974_OCMEM_MAS_MDP_OCMEM, 16, 14, -1);
401 DEFINE_QNODE(mas_video_p0_ocmem, MSM8974_OCMEM_MAS_VIDEO_P0_OCMEM, 16, 15, -1);
402 DEFINE_QNODE(mas_video_p1_ocmem, MSM8974_OCMEM_MAS_VIDEO_P1_OCMEM, 16, 16, -1);
403 DEFINE_QNODE(mas_vfe_ocmem, MSM8974_OCMEM_MAS_VFE_OCMEM, 16, 17, -1);
404 DEFINE_QNODE(mas_cnoc_onoc_cfg, MSM8974_OCMEM_MAS_CNOC_ONOC_CFG, 16, 12, -1);
405 DEFINE_QNODE(slv_service_onoc, MSM8974_OCMEM_SLV_SERVICE_ONOC, 16, -1, 19);
406 DEFINE_QNODE(slv_ocmem, MSM8974_OCMEM_SLV_OCMEM, 16, -1, 18);
407
408 /* Virtual NoC is needed for connection to OCMEM */
409 DEFINE_QNODE(ocmem_vnoc_to_onoc, MSM8974_OCMEM_VNOC_TO_OCMEM_NOC, 16, 56, 79, MSM8974_OCMEM_NOC_TO_OCMEM_VNOC);
410 DEFINE_QNODE(ocmem_vnoc_to_snoc, MSM8974_OCMEM_VNOC_TO_SNOC, 8, 57, 80);
411 DEFINE_QNODE(mas_v_ocmem_gfx3d, MSM8974_OCMEM_VNOC_MAS_GFX3D, 8, 55, -1, MSM8974_OCMEM_VNOC_TO_OCMEM_NOC);
412
413 static struct msm8974_icc_node *msm8974_onoc_nodes[] = {
414 [OCMEM_NOC_TO_OCMEM_VNOC] = &ocmem_noc_to_ocmem_vnoc,
415 [OCMEM_MAS_JPEG_OCMEM] = &mas_jpeg_ocmem,
416 [OCMEM_MAS_MDP_OCMEM] = &mas_mdp_ocmem,
417 [OCMEM_MAS_VIDEO_P0_OCMEM] = &mas_video_p0_ocmem,
418 [OCMEM_MAS_VIDEO_P1_OCMEM] = &mas_video_p1_ocmem,
419 [OCMEM_MAS_VFE_OCMEM] = &mas_vfe_ocmem,
420 [OCMEM_MAS_CNOC_ONOC_CFG] = &mas_cnoc_onoc_cfg,
421 [OCMEM_SLV_SERVICE_ONOC] = &slv_service_onoc,
422 [OCMEM_VNOC_TO_SNOC] = &ocmem_vnoc_to_snoc,
423 [OCMEM_VNOC_TO_OCMEM_NOC] = &ocmem_vnoc_to_onoc,
424 [OCMEM_VNOC_MAS_GFX3D] = &mas_v_ocmem_gfx3d,
425 [OCMEM_SLV_OCMEM] = &slv_ocmem,
426 };
427
428 static struct msm8974_icc_desc msm8974_onoc = {
429 .nodes = msm8974_onoc_nodes,
430 .num_nodes = ARRAY_SIZE(msm8974_onoc_nodes),
431 };
432
433 DEFINE_QNODE(mas_pnoc_cfg, MSM8974_PNOC_MAS_PNOC_CFG, 8, 43, -1);
434 DEFINE_QNODE(mas_sdcc_1, MSM8974_PNOC_MAS_SDCC_1, 8, 33, -1, MSM8974_PNOC_TO_SNOC);
435 DEFINE_QNODE(mas_sdcc_3, MSM8974_PNOC_MAS_SDCC_3, 8, 34, -1, MSM8974_PNOC_TO_SNOC);
436 DEFINE_QNODE(mas_sdcc_4, MSM8974_PNOC_MAS_SDCC_4, 8, 36, -1, MSM8974_PNOC_TO_SNOC);
437 DEFINE_QNODE(mas_sdcc_2, MSM8974_PNOC_MAS_SDCC_2, 8, 35, -1, MSM8974_PNOC_TO_SNOC);
438 DEFINE_QNODE(mas_tsif, MSM8974_PNOC_MAS_TSIF, 8, 37, -1, MSM8974_PNOC_TO_SNOC);
439 DEFINE_QNODE(mas_bam_dma, MSM8974_PNOC_MAS_BAM_DMA, 8, 38, -1);
440 DEFINE_QNODE(mas_blsp_2, MSM8974_PNOC_MAS_BLSP_2, 8, 39, -1, MSM8974_PNOC_TO_SNOC);
441 DEFINE_QNODE(mas_usb_hsic, MSM8974_PNOC_MAS_USB_HSIC, 8, 40, -1, MSM8974_PNOC_TO_SNOC);
442 DEFINE_QNODE(mas_blsp_1, MSM8974_PNOC_MAS_BLSP_1, 8, 41, -1, MSM8974_PNOC_TO_SNOC);
443 DEFINE_QNODE(mas_usb_hs, MSM8974_PNOC_MAS_USB_HS, 8, 42, -1, MSM8974_PNOC_TO_SNOC);
444 DEFINE_QNODE(pnoc_to_snoc, MSM8974_PNOC_TO_SNOC, 8, 44, 45, MSM8974_SNOC_TO_PNOC, MSM8974_PNOC_SLV_PRNG);
445 DEFINE_QNODE(slv_sdcc_1, MSM8974_PNOC_SLV_SDCC_1, 8, -1, 31);
446 DEFINE_QNODE(slv_sdcc_3, MSM8974_PNOC_SLV_SDCC_3, 8, -1, 32);
447 DEFINE_QNODE(slv_sdcc_2, MSM8974_PNOC_SLV_SDCC_2, 8, -1, 33);
448 DEFINE_QNODE(slv_sdcc_4, MSM8974_PNOC_SLV_SDCC_4, 8, -1, 34);
449 DEFINE_QNODE(slv_tsif, MSM8974_PNOC_SLV_TSIF, 8, -1, 35);
450 DEFINE_QNODE(slv_bam_dma, MSM8974_PNOC_SLV_BAM_DMA, 8, -1, 36);
451 DEFINE_QNODE(slv_blsp_2, MSM8974_PNOC_SLV_BLSP_2, 8, -1, 37);
452 DEFINE_QNODE(slv_usb_hsic, MSM8974_PNOC_SLV_USB_HSIC, 8, -1, 38);
453 DEFINE_QNODE(slv_blsp_1, MSM8974_PNOC_SLV_BLSP_1, 8, -1, 39);
454 DEFINE_QNODE(slv_usb_hs, MSM8974_PNOC_SLV_USB_HS, 8, -1, 40);
455 DEFINE_QNODE(slv_pdm, MSM8974_PNOC_SLV_PDM, 8, -1, 41);
456 DEFINE_QNODE(slv_periph_apu_cfg, MSM8974_PNOC_SLV_PERIPH_APU_CFG, 8, -1, 42);
457 DEFINE_QNODE(slv_pnoc_mpu_cfg, MSM8974_PNOC_SLV_PNOC_MPU_CFG, 8, -1, 43);
458 DEFINE_QNODE(slv_prng, MSM8974_PNOC_SLV_PRNG, 8, -1, 44, MSM8974_PNOC_TO_SNOC);
459 DEFINE_QNODE(slv_service_pnoc, MSM8974_PNOC_SLV_SERVICE_PNOC, 8, -1, 46);
460
461 static struct msm8974_icc_node *msm8974_pnoc_nodes[] = {
462 [PNOC_MAS_PNOC_CFG] = &mas_pnoc_cfg,
463 [PNOC_MAS_SDCC_1] = &mas_sdcc_1,
464 [PNOC_MAS_SDCC_3] = &mas_sdcc_3,
465 [PNOC_MAS_SDCC_4] = &mas_sdcc_4,
466 [PNOC_MAS_SDCC_2] = &mas_sdcc_2,
467 [PNOC_MAS_TSIF] = &mas_tsif,
468 [PNOC_MAS_BAM_DMA] = &mas_bam_dma,
469 [PNOC_MAS_BLSP_2] = &mas_blsp_2,
470 [PNOC_MAS_USB_HSIC] = &mas_usb_hsic,
471 [PNOC_MAS_BLSP_1] = &mas_blsp_1,
472 [PNOC_MAS_USB_HS] = &mas_usb_hs,
473 [PNOC_TO_SNOC] = &pnoc_to_snoc,
474 [PNOC_SLV_SDCC_1] = &slv_sdcc_1,
475 [PNOC_SLV_SDCC_3] = &slv_sdcc_3,
476 [PNOC_SLV_SDCC_2] = &slv_sdcc_2,
477 [PNOC_SLV_SDCC_4] = &slv_sdcc_4,
478 [PNOC_SLV_TSIF] = &slv_tsif,
479 [PNOC_SLV_BAM_DMA] = &slv_bam_dma,
480 [PNOC_SLV_BLSP_2] = &slv_blsp_2,
481 [PNOC_SLV_USB_HSIC] = &slv_usb_hsic,
482 [PNOC_SLV_BLSP_1] = &slv_blsp_1,
483 [PNOC_SLV_USB_HS] = &slv_usb_hs,
484 [PNOC_SLV_PDM] = &slv_pdm,
485 [PNOC_SLV_PERIPH_APU_CFG] = &slv_periph_apu_cfg,
486 [PNOC_SLV_PNOC_MPU_CFG] = &slv_pnoc_mpu_cfg,
487 [PNOC_SLV_PRNG] = &slv_prng,
488 [PNOC_SLV_SERVICE_PNOC] = &slv_service_pnoc,
489 };
490
491 static struct msm8974_icc_desc msm8974_pnoc = {
492 .nodes = msm8974_pnoc_nodes,
493 .num_nodes = ARRAY_SIZE(msm8974_pnoc_nodes),
494 };
495
496 DEFINE_QNODE(mas_lpass_ahb, MSM8974_SNOC_MAS_LPASS_AHB, 8, 18, -1);
497 DEFINE_QNODE(mas_qdss_bam, MSM8974_SNOC_MAS_QDSS_BAM, 8, 19, -1);
498 DEFINE_QNODE(mas_snoc_cfg, MSM8974_SNOC_MAS_SNOC_CFG, 8, 20, -1);
499 DEFINE_QNODE(snoc_to_bimc, MSM8974_SNOC_TO_BIMC, 8, 21, 24, MSM8974_BIMC_TO_SNOC);
500 DEFINE_QNODE(snoc_to_cnoc, MSM8974_SNOC_TO_CNOC, 8, 22, 25);
501 DEFINE_QNODE(snoc_to_pnoc, MSM8974_SNOC_TO_PNOC, 8, 29, 28, MSM8974_PNOC_TO_SNOC);
502 DEFINE_QNODE(snoc_to_ocmem_vnoc, MSM8974_SNOC_TO_OCMEM_VNOC, 8, 53, 77, MSM8974_OCMEM_VNOC_TO_OCMEM_NOC);
503 DEFINE_QNODE(mas_crypto_core0, MSM8974_SNOC_MAS_CRYPTO_CORE0, 8, 23, -1, MSM8974_SNOC_TO_BIMC);
504 DEFINE_QNODE(mas_crypto_core1, MSM8974_SNOC_MAS_CRYPTO_CORE1, 8, 24, -1);
505 DEFINE_QNODE(mas_lpass_proc, MSM8974_SNOC_MAS_LPASS_PROC, 8, 25, -1, MSM8974_SNOC_TO_OCMEM_VNOC);
506 DEFINE_QNODE(mas_mss, MSM8974_SNOC_MAS_MSS, 8, 26, -1);
507 DEFINE_QNODE(mas_mss_nav, MSM8974_SNOC_MAS_MSS_NAV, 8, 27, -1);
508 DEFINE_QNODE(mas_ocmem_dma, MSM8974_SNOC_MAS_OCMEM_DMA, 8, 28, -1);
509 DEFINE_QNODE(mas_wcss, MSM8974_SNOC_MAS_WCSS, 8, 30, -1);
510 DEFINE_QNODE(mas_qdss_etr, MSM8974_SNOC_MAS_QDSS_ETR, 8, 31, -1);
511 DEFINE_QNODE(mas_usb3, MSM8974_SNOC_MAS_USB3, 8, 32, -1, MSM8974_SNOC_TO_BIMC);
512 DEFINE_QNODE(slv_ampss, MSM8974_SNOC_SLV_AMPSS, 8, -1, 20);
513 DEFINE_QNODE(slv_lpass, MSM8974_SNOC_SLV_LPASS, 8, -1, 21);
514 DEFINE_QNODE(slv_usb3, MSM8974_SNOC_SLV_USB3, 8, -1, 22);
515 DEFINE_QNODE(slv_wcss, MSM8974_SNOC_SLV_WCSS, 8, -1, 23);
516 DEFINE_QNODE(slv_ocimem, MSM8974_SNOC_SLV_OCIMEM, 8, -1, 26);
517 DEFINE_QNODE(slv_snoc_ocmem, MSM8974_SNOC_SLV_SNOC_OCMEM, 8, -1, 27);
518 DEFINE_QNODE(slv_service_snoc, MSM8974_SNOC_SLV_SERVICE_SNOC, 8, -1, 29);
519 DEFINE_QNODE(slv_qdss_stm, MSM8974_SNOC_SLV_QDSS_STM, 8, -1, 30);
520
521 static struct msm8974_icc_node *msm8974_snoc_nodes[] = {
522 [SNOC_MAS_LPASS_AHB] = &mas_lpass_ahb,
523 [SNOC_MAS_QDSS_BAM] = &mas_qdss_bam,
524 [SNOC_MAS_SNOC_CFG] = &mas_snoc_cfg,
525 [SNOC_TO_BIMC] = &snoc_to_bimc,
526 [SNOC_TO_CNOC] = &snoc_to_cnoc,
527 [SNOC_TO_PNOC] = &snoc_to_pnoc,
528 [SNOC_TO_OCMEM_VNOC] = &snoc_to_ocmem_vnoc,
529 [SNOC_MAS_CRYPTO_CORE0] = &mas_crypto_core0,
530 [SNOC_MAS_CRYPTO_CORE1] = &mas_crypto_core1,
531 [SNOC_MAS_LPASS_PROC] = &mas_lpass_proc,
532 [SNOC_MAS_MSS] = &mas_mss,
533 [SNOC_MAS_MSS_NAV] = &mas_mss_nav,
534 [SNOC_MAS_OCMEM_DMA] = &mas_ocmem_dma,
535 [SNOC_MAS_WCSS] = &mas_wcss,
536 [SNOC_MAS_QDSS_ETR] = &mas_qdss_etr,
537 [SNOC_MAS_USB3] = &mas_usb3,
538 [SNOC_SLV_AMPSS] = &slv_ampss,
539 [SNOC_SLV_LPASS] = &slv_lpass,
540 [SNOC_SLV_USB3] = &slv_usb3,
541 [SNOC_SLV_WCSS] = &slv_wcss,
542 [SNOC_SLV_OCIMEM] = &slv_ocimem,
543 [SNOC_SLV_SNOC_OCMEM] = &slv_snoc_ocmem,
544 [SNOC_SLV_SERVICE_SNOC] = &slv_service_snoc,
545 [SNOC_SLV_QDSS_STM] = &slv_qdss_stm,
546 };
547
548 static struct msm8974_icc_desc msm8974_snoc = {
549 .nodes = msm8974_snoc_nodes,
550 .num_nodes = ARRAY_SIZE(msm8974_snoc_nodes),
551 };
552
553 static void msm8974_icc_rpm_smd_send(struct device *dev, int rsc_type,
554 char *name, int id, u64 val)
555 {
556 int ret;
557
558 if (id == -1)
559 return;
560
561 /*
562 * Setting the bandwidth requests for some nodes fails and this same
563 * behavior occurs on the downstream MSM 3.4 kernel sources based on
564 * errors like this in that kernel:
565 *
566 * msm_rpm_get_error_from_ack(): RPM NACK Unsupported resource
567 * AXI: msm_bus_rpm_req(): RPM: Ack failed
568 * AXI: msm_bus_rpm_commit_arb(): RPM: Req fail: mas:32, bw:240000000
569 *
570 * Since there's no publicly available documentation for this hardware,
571 * and the bandwidth for some nodes in the path can be set properly,
572 * let's not return an error.
573 */
574 ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE, rsc_type, id,
575 val);
576 if (ret)
577 dev_dbg(dev, "Cannot set bandwidth for node %s (%d): %d\n",
578 name, id, ret);
579 }
580
581 static int msm8974_icc_set(struct icc_node *src, struct icc_node *dst)
582 {
583 struct msm8974_icc_node *src_qn, *dst_qn;
584 struct msm8974_icc_provider *qp;
585 u64 sum_bw, max_peak_bw, rate;
586 u32 agg_avg = 0, agg_peak = 0;
587 struct icc_provider *provider;
588 struct icc_node *n;
589 int ret, i;
590
591 src_qn = src->data;
592 dst_qn = dst->data;
593 provider = src->provider;
594 qp = to_msm8974_icc_provider(provider);
595
596 list_for_each_entry(n, &provider->nodes, node_list)
597 provider->aggregate(n, 0, n->avg_bw, n->peak_bw,
598 &agg_avg, &agg_peak);
599
600 sum_bw = icc_units_to_bps(agg_avg);
601 max_peak_bw = icc_units_to_bps(agg_peak);
602
603 /* Set bandwidth on source node */
604 msm8974_icc_rpm_smd_send(provider->dev, RPM_BUS_MASTER_REQ,
605 src_qn->name, src_qn->mas_rpm_id, sum_bw);
606
607 msm8974_icc_rpm_smd_send(provider->dev, RPM_BUS_SLAVE_REQ,
608 src_qn->name, src_qn->slv_rpm_id, sum_bw);
609
610 /* Set bandwidth on destination node */
611 msm8974_icc_rpm_smd_send(provider->dev, RPM_BUS_MASTER_REQ,
612 dst_qn->name, dst_qn->mas_rpm_id, sum_bw);
613
614 msm8974_icc_rpm_smd_send(provider->dev, RPM_BUS_SLAVE_REQ,
615 dst_qn->name, dst_qn->slv_rpm_id, sum_bw);
616
617 rate = max(sum_bw, max_peak_bw);
618
619 do_div(rate, src_qn->buswidth);
620
621 if (src_qn->rate == rate)
622 return 0;
623
624 for (i = 0; i < qp->num_clks; i++) {
625 ret = clk_set_rate(qp->bus_clks[i].clk, rate);
626 if (ret) {
627 dev_err(provider->dev, "%s clk_set_rate error: %d\n",
628 qp->bus_clks[i].id, ret);
629 ret = 0;
630 }
631 }
632
633 src_qn->rate = rate;
634
635 return 0;
636 }
637
638 static int msm8974_icc_probe(struct platform_device *pdev)
639 {
640 const struct msm8974_icc_desc *desc;
641 struct msm8974_icc_node **qnodes;
642 struct msm8974_icc_provider *qp;
643 struct device *dev = &pdev->dev;
644 struct icc_onecell_data *data;
645 struct icc_provider *provider;
646 struct icc_node *node;
647 size_t num_nodes, i;
648 int ret;
649
650 /* wait for the RPM proxy */
651 if (!qcom_icc_rpm_smd_available())
652 return -EPROBE_DEFER;
653
654 desc = of_device_get_match_data(dev);
655 if (!desc)
656 return -EINVAL;
657
658 qnodes = desc->nodes;
659 num_nodes = desc->num_nodes;
660
661 qp = devm_kzalloc(dev, sizeof(*qp), GFP_KERNEL);
662 if (!qp)
663 return -ENOMEM;
664
665 data = devm_kzalloc(dev, struct_size(data, nodes, num_nodes),
666 GFP_KERNEL);
667 if (!data)
668 return -ENOMEM;
669
670 qp->bus_clks = devm_kmemdup(dev, msm8974_icc_bus_clocks,
671 sizeof(msm8974_icc_bus_clocks), GFP_KERNEL);
672 if (!qp->bus_clks)
673 return -ENOMEM;
674
675 qp->num_clks = ARRAY_SIZE(msm8974_icc_bus_clocks);
676 ret = devm_clk_bulk_get(dev, qp->num_clks, qp->bus_clks);
677 if (ret)
678 return ret;
679
680 ret = clk_bulk_prepare_enable(qp->num_clks, qp->bus_clks);
681 if (ret)
682 return ret;
683
684 provider = &qp->provider;
685 INIT_LIST_HEAD(&provider->nodes);
686 provider->dev = dev;
687 provider->set = msm8974_icc_set;
688 provider->aggregate = icc_std_aggregate;
689 provider->xlate = of_icc_xlate_onecell;
690 provider->data = data;
691
692 ret = icc_provider_add(provider);
693 if (ret) {
694 dev_err(dev, "error adding interconnect provider: %d\n", ret);
695 goto err_disable_clks;
696 }
697
698 for (i = 0; i < num_nodes; i++) {
699 size_t j;
700
701 node = icc_node_create(qnodes[i]->id);
702 if (IS_ERR(node)) {
703 ret = PTR_ERR(node);
704 goto err_del_icc;
705 }
706
707 node->name = qnodes[i]->name;
708 node->data = qnodes[i];
709 icc_node_add(node, provider);
710
711 dev_dbg(dev, "registered node %s\n", node->name);
712
713 /* populate links */
714 for (j = 0; j < qnodes[i]->num_links; j++)
715 icc_link_create(node, qnodes[i]->links[j]);
716
717 data->nodes[i] = node;
718 }
719 data->num_nodes = num_nodes;
720
721 platform_set_drvdata(pdev, qp);
722
723 return 0;
724
725 err_del_icc:
726 icc_nodes_remove(provider);
727 icc_provider_del(provider);
728
729 err_disable_clks:
730 clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
731
732 return ret;
733 }
734
735 static int msm8974_icc_remove(struct platform_device *pdev)
736 {
737 struct msm8974_icc_provider *qp = platform_get_drvdata(pdev);
738
739 icc_nodes_remove(&qp->provider);
740 clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
741 return icc_provider_del(&qp->provider);
742 }
743
744 static const struct of_device_id msm8974_noc_of_match[] = {
745 { .compatible = "qcom,msm8974-bimc", .data = &msm8974_bimc},
746 { .compatible = "qcom,msm8974-cnoc", .data = &msm8974_cnoc},
747 { .compatible = "qcom,msm8974-mmssnoc", .data = &msm8974_mnoc},
748 { .compatible = "qcom,msm8974-ocmemnoc", .data = &msm8974_onoc},
749 { .compatible = "qcom,msm8974-pnoc", .data = &msm8974_pnoc},
750 { .compatible = "qcom,msm8974-snoc", .data = &msm8974_snoc},
751 { },
752 };
753 MODULE_DEVICE_TABLE(of, msm8974_noc_of_match);
754
755 static struct platform_driver msm8974_noc_driver = {
756 .probe = msm8974_icc_probe,
757 .remove = msm8974_icc_remove,
758 .driver = {
759 .name = "qnoc-msm8974",
760 .of_match_table = msm8974_noc_of_match,
761 },
762 };
763 module_platform_driver(msm8974_noc_driver);
764 MODULE_DESCRIPTION("Qualcomm MSM8974 NoC driver");
765 MODULE_AUTHOR("Brian Masney <masneyb@onstation.org>");
766 MODULE_LICENSE("GPL v2");
Linux with added FPC-III support