msm_mdss.c 19 KB

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  1. /*
  2. * SPDX-License-Identifier: GPL-2.0
  3. * Copyright (c) 2018, The Linux Foundation
  4. */
  5. #include <linux/bitfield.h>
  6. #include <linux/clk.h>
  7. #include <linux/delay.h>
  8. #include <linux/interconnect.h>
  9. #include <linux/irq.h>
  10. #include <linux/irqchip.h>
  11. #include <linux/irqdesc.h>
  12. #include <linux/irqchip/chained_irq.h>
  13. #include <linux/of_platform.h>
  14. #include <linux/platform_device.h>
  15. #include <linux/pm_runtime.h>
  16. #include <linux/reset.h>
  17. #include "msm_mdss.h"
  18. #include "msm_kms.h"
  19. #define HW_REV 0x0
  20. #define HW_INTR_STATUS 0x0010
  21. #define UBWC_DEC_HW_VERSION 0x58
  22. #define UBWC_STATIC 0x144
  23. #define UBWC_CTRL_2 0x150
  24. #define UBWC_PREDICTION_MODE 0x154
  25. #define MIN_IB_BW 400000000UL /* Min ib vote 400MB */
  26. #define DEFAULT_REG_BW 153600 /* Used in mdss fbdev driver */
  27. struct msm_mdss {
  28. struct device *dev;
  29. void __iomem *mmio;
  30. struct clk_bulk_data *clocks;
  31. size_t num_clocks;
  32. bool is_mdp5;
  33. struct {
  34. unsigned long enabled_mask;
  35. struct irq_domain *domain;
  36. } irq_controller;
  37. const struct msm_mdss_data *mdss_data;
  38. struct icc_path *mdp_path[2];
  39. u32 num_mdp_paths;
  40. struct icc_path *reg_bus_path;
  41. };
  42. static int msm_mdss_parse_data_bus_icc_path(struct device *dev,
  43. struct msm_mdss *msm_mdss)
  44. {
  45. struct icc_path *path0;
  46. struct icc_path *path1;
  47. struct icc_path *reg_bus_path;
  48. path0 = devm_of_icc_get(dev, "mdp0-mem");
  49. if (IS_ERR_OR_NULL(path0))
  50. return PTR_ERR_OR_ZERO(path0);
  51. msm_mdss->mdp_path[0] = path0;
  52. msm_mdss->num_mdp_paths = 1;
  53. path1 = devm_of_icc_get(dev, "mdp1-mem");
  54. if (!IS_ERR_OR_NULL(path1)) {
  55. msm_mdss->mdp_path[1] = path1;
  56. msm_mdss->num_mdp_paths++;
  57. }
  58. reg_bus_path = of_icc_get(dev, "cpu-cfg");
  59. if (!IS_ERR_OR_NULL(reg_bus_path))
  60. msm_mdss->reg_bus_path = reg_bus_path;
  61. return 0;
  62. }
  63. static void msm_mdss_irq(struct irq_desc *desc)
  64. {
  65. struct msm_mdss *msm_mdss = irq_desc_get_handler_data(desc);
  66. struct irq_chip *chip = irq_desc_get_chip(desc);
  67. u32 interrupts;
  68. chained_irq_enter(chip, desc);
  69. interrupts = readl_relaxed(msm_mdss->mmio + HW_INTR_STATUS);
  70. while (interrupts) {
  71. irq_hw_number_t hwirq = fls(interrupts) - 1;
  72. int rc;
  73. rc = generic_handle_domain_irq(msm_mdss->irq_controller.domain,
  74. hwirq);
  75. if (rc < 0) {
  76. dev_err(msm_mdss->dev, "handle irq fail: irq=%lu rc=%d\n",
  77. hwirq, rc);
  78. break;
  79. }
  80. interrupts &= ~(1 << hwirq);
  81. }
  82. chained_irq_exit(chip, desc);
  83. }
  84. static void msm_mdss_irq_mask(struct irq_data *irqd)
  85. {
  86. struct msm_mdss *msm_mdss = irq_data_get_irq_chip_data(irqd);
  87. /* memory barrier */
  88. smp_mb__before_atomic();
  89. clear_bit(irqd->hwirq, &msm_mdss->irq_controller.enabled_mask);
  90. /* memory barrier */
  91. smp_mb__after_atomic();
  92. }
  93. static void msm_mdss_irq_unmask(struct irq_data *irqd)
  94. {
  95. struct msm_mdss *msm_mdss = irq_data_get_irq_chip_data(irqd);
  96. /* memory barrier */
  97. smp_mb__before_atomic();
  98. set_bit(irqd->hwirq, &msm_mdss->irq_controller.enabled_mask);
  99. /* memory barrier */
  100. smp_mb__after_atomic();
  101. }
  102. static struct irq_chip msm_mdss_irq_chip = {
  103. .name = "msm_mdss",
  104. .irq_mask = msm_mdss_irq_mask,
  105. .irq_unmask = msm_mdss_irq_unmask,
  106. };
  107. static struct lock_class_key msm_mdss_lock_key, msm_mdss_request_key;
  108. static int msm_mdss_irqdomain_map(struct irq_domain *domain,
  109. unsigned int irq, irq_hw_number_t hwirq)
  110. {
  111. struct msm_mdss *msm_mdss = domain->host_data;
  112. irq_set_lockdep_class(irq, &msm_mdss_lock_key, &msm_mdss_request_key);
  113. irq_set_chip_and_handler(irq, &msm_mdss_irq_chip, handle_level_irq);
  114. return irq_set_chip_data(irq, msm_mdss);
  115. }
  116. static const struct irq_domain_ops msm_mdss_irqdomain_ops = {
  117. .map = msm_mdss_irqdomain_map,
  118. .xlate = irq_domain_xlate_onecell,
  119. };
  120. static int _msm_mdss_irq_domain_add(struct msm_mdss *msm_mdss)
  121. {
  122. struct device *dev;
  123. struct irq_domain *domain;
  124. dev = msm_mdss->dev;
  125. domain = irq_domain_add_linear(dev->of_node, 32,
  126. &msm_mdss_irqdomain_ops, msm_mdss);
  127. if (!domain) {
  128. dev_err(dev, "failed to add irq_domain\n");
  129. return -EINVAL;
  130. }
  131. msm_mdss->irq_controller.enabled_mask = 0;
  132. msm_mdss->irq_controller.domain = domain;
  133. return 0;
  134. }
  135. static void msm_mdss_setup_ubwc_dec_20(struct msm_mdss *msm_mdss)
  136. {
  137. const struct msm_mdss_data *data = msm_mdss->mdss_data;
  138. writel_relaxed(data->ubwc_static, msm_mdss->mmio + UBWC_STATIC);
  139. }
  140. static void msm_mdss_setup_ubwc_dec_30(struct msm_mdss *msm_mdss)
  141. {
  142. const struct msm_mdss_data *data = msm_mdss->mdss_data;
  143. u32 value = (data->ubwc_swizzle & 0x1) |
  144. (data->highest_bank_bit & 0x3) << 4 |
  145. (data->macrotile_mode & 0x1) << 12;
  146. if (data->ubwc_enc_version == UBWC_3_0)
  147. value |= BIT(10);
  148. if (data->ubwc_enc_version == UBWC_1_0)
  149. value |= BIT(8);
  150. writel_relaxed(value, msm_mdss->mmio + UBWC_STATIC);
  151. }
  152. static void msm_mdss_setup_ubwc_dec_40(struct msm_mdss *msm_mdss)
  153. {
  154. const struct msm_mdss_data *data = msm_mdss->mdss_data;
  155. u32 value = (data->ubwc_swizzle & 0x7) |
  156. (data->ubwc_static & 0x1) << 3 |
  157. (data->highest_bank_bit & 0x7) << 4 |
  158. (data->macrotile_mode & 0x1) << 12;
  159. writel_relaxed(value, msm_mdss->mmio + UBWC_STATIC);
  160. if (data->ubwc_enc_version == UBWC_3_0) {
  161. writel_relaxed(1, msm_mdss->mmio + UBWC_CTRL_2);
  162. writel_relaxed(0, msm_mdss->mmio + UBWC_PREDICTION_MODE);
  163. } else {
  164. if (data->ubwc_dec_version == UBWC_4_3)
  165. writel_relaxed(3, msm_mdss->mmio + UBWC_CTRL_2);
  166. else
  167. writel_relaxed(2, msm_mdss->mmio + UBWC_CTRL_2);
  168. writel_relaxed(1, msm_mdss->mmio + UBWC_PREDICTION_MODE);
  169. }
  170. }
  171. #define MDSS_HW_MAJ_MIN GENMASK(31, 16)
  172. #define MDSS_HW_MSM8996 0x1007
  173. #define MDSS_HW_MSM8937 0x100e
  174. #define MDSS_HW_MSM8953 0x1010
  175. #define MDSS_HW_MSM8998 0x3000
  176. #define MDSS_HW_SDM660 0x3002
  177. #define MDSS_HW_SDM630 0x3003
  178. /*
  179. * MDP5 platforms use generic qcom,mdp5 compat string, so we have to generate this data
  180. */
  181. static const struct msm_mdss_data *msm_mdss_generate_mdp5_mdss_data(struct msm_mdss *mdss)
  182. {
  183. struct msm_mdss_data *data;
  184. u32 hw_rev;
  185. data = devm_kzalloc(mdss->dev, sizeof(*data), GFP_KERNEL);
  186. if (!data)
  187. return NULL;
  188. hw_rev = readl_relaxed(mdss->mmio + HW_REV);
  189. hw_rev = FIELD_GET(MDSS_HW_MAJ_MIN, hw_rev);
  190. if (hw_rev == MDSS_HW_MSM8996 ||
  191. hw_rev == MDSS_HW_MSM8937 ||
  192. hw_rev == MDSS_HW_MSM8953 ||
  193. hw_rev == MDSS_HW_MSM8998 ||
  194. hw_rev == MDSS_HW_SDM660 ||
  195. hw_rev == MDSS_HW_SDM630) {
  196. data->ubwc_dec_version = UBWC_1_0;
  197. data->ubwc_enc_version = UBWC_1_0;
  198. }
  199. if (hw_rev == MDSS_HW_MSM8996 ||
  200. hw_rev == MDSS_HW_MSM8998)
  201. data->highest_bank_bit = 2;
  202. else
  203. data->highest_bank_bit = 1;
  204. return data;
  205. }
  206. const struct msm_mdss_data *msm_mdss_get_mdss_data(struct device *dev)
  207. {
  208. struct msm_mdss *mdss;
  209. if (!dev)
  210. return ERR_PTR(-EINVAL);
  211. mdss = dev_get_drvdata(dev);
  212. /*
  213. * We could not do it at the probe time, since hw revision register was
  214. * not readable. Fill data structure now for the MDP5 platforms.
  215. */
  216. if (!mdss->mdss_data && mdss->is_mdp5)
  217. mdss->mdss_data = msm_mdss_generate_mdp5_mdss_data(mdss);
  218. return mdss->mdss_data;
  219. }
  220. static int msm_mdss_enable(struct msm_mdss *msm_mdss)
  221. {
  222. int ret, i;
  223. /*
  224. * Several components have AXI clocks that can only be turned on if
  225. * the interconnect is enabled (non-zero bandwidth). Let's make sure
  226. * that the interconnects are at least at a minimum amount.
  227. */
  228. for (i = 0; i < msm_mdss->num_mdp_paths; i++)
  229. icc_set_bw(msm_mdss->mdp_path[i], 0, Bps_to_icc(MIN_IB_BW));
  230. if (msm_mdss->mdss_data && msm_mdss->mdss_data->reg_bus_bw)
  231. icc_set_bw(msm_mdss->reg_bus_path, 0,
  232. msm_mdss->mdss_data->reg_bus_bw);
  233. else
  234. icc_set_bw(msm_mdss->reg_bus_path, 0,
  235. DEFAULT_REG_BW);
  236. ret = clk_bulk_prepare_enable(msm_mdss->num_clocks, msm_mdss->clocks);
  237. if (ret) {
  238. dev_err(msm_mdss->dev, "clock enable failed, ret:%d\n", ret);
  239. return ret;
  240. }
  241. /*
  242. * Register access requires MDSS_MDP_CLK, which is not enabled by the
  243. * mdss on mdp5 hardware. Skip it for now.
  244. */
  245. if (msm_mdss->is_mdp5 || !msm_mdss->mdss_data)
  246. return 0;
  247. /*
  248. * ubwc config is part of the "mdss" region which is not accessible
  249. * from the rest of the driver. hardcode known configurations here
  250. *
  251. * Decoder version can be read from the UBWC_DEC_HW_VERSION reg,
  252. * UBWC_n and the rest of params comes from hw data.
  253. */
  254. switch (msm_mdss->mdss_data->ubwc_dec_version) {
  255. case 0: /* no UBWC */
  256. case UBWC_1_0:
  257. /* do nothing */
  258. break;
  259. case UBWC_2_0:
  260. msm_mdss_setup_ubwc_dec_20(msm_mdss);
  261. break;
  262. case UBWC_3_0:
  263. msm_mdss_setup_ubwc_dec_30(msm_mdss);
  264. break;
  265. case UBWC_4_0:
  266. case UBWC_4_3:
  267. msm_mdss_setup_ubwc_dec_40(msm_mdss);
  268. break;
  269. default:
  270. dev_err(msm_mdss->dev, "Unsupported UBWC decoder version %x\n",
  271. msm_mdss->mdss_data->ubwc_dec_version);
  272. dev_err(msm_mdss->dev, "HW_REV: 0x%x\n",
  273. readl_relaxed(msm_mdss->mmio + HW_REV));
  274. dev_err(msm_mdss->dev, "UBWC_DEC_HW_VERSION: 0x%x\n",
  275. readl_relaxed(msm_mdss->mmio + UBWC_DEC_HW_VERSION));
  276. break;
  277. }
  278. return ret;
  279. }
  280. static int msm_mdss_disable(struct msm_mdss *msm_mdss)
  281. {
  282. int i;
  283. clk_bulk_disable_unprepare(msm_mdss->num_clocks, msm_mdss->clocks);
  284. for (i = 0; i < msm_mdss->num_mdp_paths; i++)
  285. icc_set_bw(msm_mdss->mdp_path[i], 0, 0);
  286. if (msm_mdss->reg_bus_path)
  287. icc_set_bw(msm_mdss->reg_bus_path, 0, 0);
  288. return 0;
  289. }
  290. static void msm_mdss_destroy(struct msm_mdss *msm_mdss)
  291. {
  292. struct platform_device *pdev = to_platform_device(msm_mdss->dev);
  293. int irq;
  294. pm_runtime_suspend(msm_mdss->dev);
  295. pm_runtime_disable(msm_mdss->dev);
  296. irq_domain_remove(msm_mdss->irq_controller.domain);
  297. msm_mdss->irq_controller.domain = NULL;
  298. irq = platform_get_irq(pdev, 0);
  299. irq_set_chained_handler_and_data(irq, NULL, NULL);
  300. }
  301. static int msm_mdss_reset(struct device *dev)
  302. {
  303. struct reset_control *reset;
  304. reset = reset_control_get_optional_exclusive(dev, NULL);
  305. if (!reset) {
  306. /* Optional reset not specified */
  307. return 0;
  308. } else if (IS_ERR(reset)) {
  309. return dev_err_probe(dev, PTR_ERR(reset),
  310. "failed to acquire mdss reset\n");
  311. }
  312. reset_control_assert(reset);
  313. /*
  314. * Tests indicate that reset has to be held for some period of time,
  315. * make it one frame in a typical system
  316. */
  317. msleep(20);
  318. reset_control_deassert(reset);
  319. reset_control_put(reset);
  320. return 0;
  321. }
  322. /*
  323. * MDP5 MDSS uses at most three specified clocks.
  324. */
  325. #define MDP5_MDSS_NUM_CLOCKS 3
  326. static int mdp5_mdss_parse_clock(struct platform_device *pdev, struct clk_bulk_data **clocks)
  327. {
  328. struct clk_bulk_data *bulk;
  329. int num_clocks = 0;
  330. int ret;
  331. if (!pdev)
  332. return -EINVAL;
  333. bulk = devm_kcalloc(&pdev->dev, MDP5_MDSS_NUM_CLOCKS, sizeof(struct clk_bulk_data), GFP_KERNEL);
  334. if (!bulk)
  335. return -ENOMEM;
  336. bulk[num_clocks++].id = "iface";
  337. bulk[num_clocks++].id = "bus";
  338. bulk[num_clocks++].id = "vsync";
  339. ret = devm_clk_bulk_get_optional(&pdev->dev, num_clocks, bulk);
  340. if (ret)
  341. return ret;
  342. *clocks = bulk;
  343. return num_clocks;
  344. }
  345. static struct msm_mdss *msm_mdss_init(struct platform_device *pdev, bool is_mdp5)
  346. {
  347. struct msm_mdss *msm_mdss;
  348. int ret;
  349. int irq;
  350. ret = msm_mdss_reset(&pdev->dev);
  351. if (ret)
  352. return ERR_PTR(ret);
  353. msm_mdss = devm_kzalloc(&pdev->dev, sizeof(*msm_mdss), GFP_KERNEL);
  354. if (!msm_mdss)
  355. return ERR_PTR(-ENOMEM);
  356. msm_mdss->mdss_data = of_device_get_match_data(&pdev->dev);
  357. msm_mdss->mmio = devm_platform_ioremap_resource_byname(pdev, is_mdp5 ? "mdss_phys" : "mdss");
  358. if (IS_ERR(msm_mdss->mmio))
  359. return ERR_CAST(msm_mdss->mmio);
  360. dev_dbg(&pdev->dev, "mapped mdss address space @%pK\n", msm_mdss->mmio);
  361. ret = msm_mdss_parse_data_bus_icc_path(&pdev->dev, msm_mdss);
  362. if (ret)
  363. return ERR_PTR(ret);
  364. if (is_mdp5)
  365. ret = mdp5_mdss_parse_clock(pdev, &msm_mdss->clocks);
  366. else
  367. ret = devm_clk_bulk_get_all(&pdev->dev, &msm_mdss->clocks);
  368. if (ret < 0) {
  369. dev_err(&pdev->dev, "failed to parse clocks, ret=%d\n", ret);
  370. return ERR_PTR(ret);
  371. }
  372. msm_mdss->num_clocks = ret;
  373. msm_mdss->is_mdp5 = is_mdp5;
  374. msm_mdss->dev = &pdev->dev;
  375. irq = platform_get_irq(pdev, 0);
  376. if (irq < 0)
  377. return ERR_PTR(irq);
  378. ret = _msm_mdss_irq_domain_add(msm_mdss);
  379. if (ret)
  380. return ERR_PTR(ret);
  381. irq_set_chained_handler_and_data(irq, msm_mdss_irq,
  382. msm_mdss);
  383. pm_runtime_enable(&pdev->dev);
  384. return msm_mdss;
  385. }
  386. static int __maybe_unused mdss_runtime_suspend(struct device *dev)
  387. {
  388. struct msm_mdss *mdss = dev_get_drvdata(dev);
  389. DBG("");
  390. return msm_mdss_disable(mdss);
  391. }
  392. static int __maybe_unused mdss_runtime_resume(struct device *dev)
  393. {
  394. struct msm_mdss *mdss = dev_get_drvdata(dev);
  395. DBG("");
  396. return msm_mdss_enable(mdss);
  397. }
  398. static int __maybe_unused mdss_pm_suspend(struct device *dev)
  399. {
  400. if (pm_runtime_suspended(dev))
  401. return 0;
  402. return mdss_runtime_suspend(dev);
  403. }
  404. static int __maybe_unused mdss_pm_resume(struct device *dev)
  405. {
  406. if (pm_runtime_suspended(dev))
  407. return 0;
  408. return mdss_runtime_resume(dev);
  409. }
  410. static const struct dev_pm_ops mdss_pm_ops = {
  411. SET_SYSTEM_SLEEP_PM_OPS(mdss_pm_suspend, mdss_pm_resume)
  412. SET_RUNTIME_PM_OPS(mdss_runtime_suspend, mdss_runtime_resume, NULL)
  413. };
  414. static int mdss_probe(struct platform_device *pdev)
  415. {
  416. struct msm_mdss *mdss;
  417. bool is_mdp5 = of_device_is_compatible(pdev->dev.of_node, "qcom,mdss");
  418. struct device *dev = &pdev->dev;
  419. int ret;
  420. mdss = msm_mdss_init(pdev, is_mdp5);
  421. if (IS_ERR(mdss))
  422. return PTR_ERR(mdss);
  423. platform_set_drvdata(pdev, mdss);
  424. /*
  425. * MDP5/DPU based devices don't have a flat hierarchy. There is a top
  426. * level parent: MDSS, and children: MDP5/DPU, DSI, HDMI, eDP etc.
  427. * Populate the children devices, find the MDP5/DPU node, and then add
  428. * the interfaces to our components list.
  429. */
  430. ret = of_platform_populate(dev->of_node, NULL, NULL, dev);
  431. if (ret) {
  432. DRM_DEV_ERROR(dev, "failed to populate children devices\n");
  433. msm_mdss_destroy(mdss);
  434. return ret;
  435. }
  436. return 0;
  437. }
  438. static void mdss_remove(struct platform_device *pdev)
  439. {
  440. struct msm_mdss *mdss = platform_get_drvdata(pdev);
  441. of_platform_depopulate(&pdev->dev);
  442. msm_mdss_destroy(mdss);
  443. }
  444. static const struct msm_mdss_data msm8998_data = {
  445. .ubwc_enc_version = UBWC_1_0,
  446. .ubwc_dec_version = UBWC_1_0,
  447. .highest_bank_bit = 2,
  448. .reg_bus_bw = 76800,
  449. };
  450. static const struct msm_mdss_data qcm2290_data = {
  451. /* no UBWC */
  452. .highest_bank_bit = 0x2,
  453. .reg_bus_bw = 76800,
  454. };
  455. static const struct msm_mdss_data sc7180_data = {
  456. .ubwc_enc_version = UBWC_2_0,
  457. .ubwc_dec_version = UBWC_2_0,
  458. .ubwc_static = 0x1e,
  459. .highest_bank_bit = 0x1,
  460. .reg_bus_bw = 76800,
  461. };
  462. static const struct msm_mdss_data sc7280_data = {
  463. .ubwc_enc_version = UBWC_3_0,
  464. .ubwc_dec_version = UBWC_4_0,
  465. .ubwc_swizzle = 6,
  466. .ubwc_static = 1,
  467. .highest_bank_bit = 1,
  468. .macrotile_mode = 1,
  469. .reg_bus_bw = 74000,
  470. };
  471. static const struct msm_mdss_data sc8180x_data = {
  472. .ubwc_enc_version = UBWC_3_0,
  473. .ubwc_dec_version = UBWC_3_0,
  474. .highest_bank_bit = 3,
  475. .macrotile_mode = 1,
  476. .reg_bus_bw = 76800,
  477. };
  478. static const struct msm_mdss_data sc8280xp_data = {
  479. .ubwc_enc_version = UBWC_4_0,
  480. .ubwc_dec_version = UBWC_4_0,
  481. .ubwc_swizzle = 6,
  482. .ubwc_static = 1,
  483. .highest_bank_bit = 3,
  484. .macrotile_mode = 1,
  485. .reg_bus_bw = 76800,
  486. };
  487. static const struct msm_mdss_data sdm670_data = {
  488. .ubwc_enc_version = UBWC_2_0,
  489. .ubwc_dec_version = UBWC_2_0,
  490. .highest_bank_bit = 1,
  491. .reg_bus_bw = 76800,
  492. };
  493. static const struct msm_mdss_data sdm845_data = {
  494. .ubwc_enc_version = UBWC_2_0,
  495. .ubwc_dec_version = UBWC_2_0,
  496. .highest_bank_bit = 2,
  497. .reg_bus_bw = 76800,
  498. };
  499. static const struct msm_mdss_data sm6350_data = {
  500. .ubwc_enc_version = UBWC_2_0,
  501. .ubwc_dec_version = UBWC_2_0,
  502. .ubwc_swizzle = 6,
  503. .ubwc_static = 0x1e,
  504. .highest_bank_bit = 1,
  505. .reg_bus_bw = 76800,
  506. };
  507. static const struct msm_mdss_data sm7150_data = {
  508. .ubwc_enc_version = UBWC_2_0,
  509. .ubwc_dec_version = UBWC_2_0,
  510. .highest_bank_bit = 1,
  511. .reg_bus_bw = 76800,
  512. };
  513. static const struct msm_mdss_data sm8150_data = {
  514. .ubwc_enc_version = UBWC_3_0,
  515. .ubwc_dec_version = UBWC_3_0,
  516. .highest_bank_bit = 2,
  517. .reg_bus_bw = 76800,
  518. };
  519. static const struct msm_mdss_data sm6115_data = {
  520. .ubwc_enc_version = UBWC_1_0,
  521. .ubwc_dec_version = UBWC_2_0,
  522. .ubwc_swizzle = 7,
  523. .ubwc_static = 0x11f,
  524. .highest_bank_bit = 0x1,
  525. .reg_bus_bw = 76800,
  526. };
  527. static const struct msm_mdss_data sm6125_data = {
  528. .ubwc_enc_version = UBWC_1_0,
  529. .ubwc_dec_version = UBWC_3_0,
  530. .ubwc_swizzle = 1,
  531. .highest_bank_bit = 1,
  532. };
  533. static const struct msm_mdss_data sm8250_data = {
  534. .ubwc_enc_version = UBWC_4_0,
  535. .ubwc_dec_version = UBWC_4_0,
  536. .ubwc_swizzle = 6,
  537. .ubwc_static = 1,
  538. /* TODO: highest_bank_bit = 2 for LP_DDR4 */
  539. .highest_bank_bit = 3,
  540. .macrotile_mode = 1,
  541. .reg_bus_bw = 76800,
  542. };
  543. static const struct msm_mdss_data sm8350_data = {
  544. .ubwc_enc_version = UBWC_4_0,
  545. .ubwc_dec_version = UBWC_4_0,
  546. .ubwc_swizzle = 6,
  547. .ubwc_static = 1,
  548. /* TODO: highest_bank_bit = 2 for LP_DDR4 */
  549. .highest_bank_bit = 3,
  550. .macrotile_mode = 1,
  551. .reg_bus_bw = 74000,
  552. };
  553. static const struct msm_mdss_data sm8550_data = {
  554. .ubwc_enc_version = UBWC_4_0,
  555. .ubwc_dec_version = UBWC_4_3,
  556. .ubwc_swizzle = 6,
  557. .ubwc_static = 1,
  558. /* TODO: highest_bank_bit = 2 for LP_DDR4 */
  559. .highest_bank_bit = 3,
  560. .macrotile_mode = 1,
  561. .reg_bus_bw = 57000,
  562. };
  563. static const struct msm_mdss_data x1e80100_data = {
  564. .ubwc_enc_version = UBWC_4_0,
  565. .ubwc_dec_version = UBWC_4_3,
  566. .ubwc_swizzle = 6,
  567. .ubwc_static = 1,
  568. /* TODO: highest_bank_bit = 2 for LP_DDR4 */
  569. .highest_bank_bit = 3,
  570. .macrotile_mode = 1,
  571. /* TODO: Add reg_bus_bw with real value */
  572. };
  573. static const struct of_device_id mdss_dt_match[] = {
  574. { .compatible = "qcom,mdss" },
  575. { .compatible = "qcom,msm8998-mdss", .data = &msm8998_data },
  576. { .compatible = "qcom,qcm2290-mdss", .data = &qcm2290_data },
  577. { .compatible = "qcom,sdm670-mdss", .data = &sdm670_data },
  578. { .compatible = "qcom,sdm845-mdss", .data = &sdm845_data },
  579. { .compatible = "qcom,sc7180-mdss", .data = &sc7180_data },
  580. { .compatible = "qcom,sc7280-mdss", .data = &sc7280_data },
  581. { .compatible = "qcom,sc8180x-mdss", .data = &sc8180x_data },
  582. { .compatible = "qcom,sc8280xp-mdss", .data = &sc8280xp_data },
  583. { .compatible = "qcom,sm6115-mdss", .data = &sm6115_data },
  584. { .compatible = "qcom,sm6125-mdss", .data = &sm6125_data },
  585. { .compatible = "qcom,sm6350-mdss", .data = &sm6350_data },
  586. { .compatible = "qcom,sm6375-mdss", .data = &sm6350_data },
  587. { .compatible = "qcom,sm7150-mdss", .data = &sm7150_data },
  588. { .compatible = "qcom,sm8150-mdss", .data = &sm8150_data },
  589. { .compatible = "qcom,sm8250-mdss", .data = &sm8250_data },
  590. { .compatible = "qcom,sm8350-mdss", .data = &sm8350_data },
  591. { .compatible = "qcom,sm8450-mdss", .data = &sm8350_data },
  592. { .compatible = "qcom,sm8550-mdss", .data = &sm8550_data },
  593. { .compatible = "qcom,sm8650-mdss", .data = &sm8550_data},
  594. { .compatible = "qcom,x1e80100-mdss", .data = &x1e80100_data},
  595. {}
  596. };
  597. MODULE_DEVICE_TABLE(of, mdss_dt_match);
  598. static struct platform_driver mdss_platform_driver = {
  599. .probe = mdss_probe,
  600. .remove_new = mdss_remove,
  601. .driver = {
  602. .name = "msm-mdss",
  603. .of_match_table = mdss_dt_match,
  604. .pm = &mdss_pm_ops,
  605. },
  606. };
  607. void __init msm_mdss_register(void)
  608. {
  609. platform_driver_register(&mdss_platform_driver);
  610. }
  611. void __exit msm_mdss_unregister(void)
  612. {
  613. platform_driver_unregister(&mdss_platform_driver);
  614. }