1
2
3
4
5#include "dpu_hwio.h"
6#include "dpu_hw_catalog.h"
7#include "dpu_hw_top.h"
8#include "dpu_kms.h"
9
10#define SSPP_SPARE 0x28
11
12#define FLD_SPLIT_DISPLAY_CMD BIT(1)
13#define FLD_SMART_PANEL_FREE_RUN BIT(2)
14#define FLD_INTF_1_SW_TRG_MUX BIT(4)
15#define FLD_INTF_2_SW_TRG_MUX BIT(8)
16#define FLD_TE_LINE_INTER_WATERLEVEL_MASK 0xFFFF
17
18#define DANGER_STATUS 0x360
19#define SAFE_STATUS 0x364
20
21#define TE_LINE_INTERVAL 0x3F4
22
23#define TRAFFIC_SHAPER_EN BIT(31)
24#define TRAFFIC_SHAPER_RD_CLIENT(num) (0x030 + (num * 4))
25#define TRAFFIC_SHAPER_WR_CLIENT(num) (0x060 + (num * 4))
26#define TRAFFIC_SHAPER_FIXPOINT_FACTOR 4
27
28#define MDP_WD_TIMER_0_CTL 0x380
29#define MDP_WD_TIMER_0_CTL2 0x384
30#define MDP_WD_TIMER_0_LOAD_VALUE 0x388
31#define MDP_WD_TIMER_1_CTL 0x390
32#define MDP_WD_TIMER_1_CTL2 0x394
33#define MDP_WD_TIMER_1_LOAD_VALUE 0x398
34#define MDP_WD_TIMER_2_CTL 0x420
35#define MDP_WD_TIMER_2_CTL2 0x424
36#define MDP_WD_TIMER_2_LOAD_VALUE 0x428
37#define MDP_WD_TIMER_3_CTL 0x430
38#define MDP_WD_TIMER_3_CTL2 0x434
39#define MDP_WD_TIMER_3_LOAD_VALUE 0x438
40#define MDP_WD_TIMER_4_CTL 0x440
41#define MDP_WD_TIMER_4_CTL2 0x444
42#define MDP_WD_TIMER_4_LOAD_VALUE 0x448
43
44#define MDP_TICK_COUNT 16
45#define XO_CLK_RATE 19200
46#define MS_TICKS_IN_SEC 1000
47
48#define CALCULATE_WD_LOAD_VALUE(fps) \
49 ((uint32_t)((MS_TICKS_IN_SEC * XO_CLK_RATE)/(MDP_TICK_COUNT * fps)))
50
51#define DCE_SEL 0x450
52
53static void dpu_hw_setup_split_pipe(struct dpu_hw_mdp *mdp,
54 struct split_pipe_cfg *cfg)
55{
56 struct dpu_hw_blk_reg_map *c;
57 u32 upper_pipe = 0;
58 u32 lower_pipe = 0;
59
60 if (!mdp || !cfg)
61 return;
62
63 c = &mdp->hw;
64
65 if (cfg->en) {
66 if (cfg->mode == INTF_MODE_CMD) {
67 lower_pipe = FLD_SPLIT_DISPLAY_CMD;
68
69 if (cfg->intf == INTF_2)
70 lower_pipe |= FLD_INTF_1_SW_TRG_MUX;
71 else
72 lower_pipe |= FLD_INTF_2_SW_TRG_MUX;
73 upper_pipe = lower_pipe;
74 } else {
75 if (cfg->intf == INTF_2) {
76 lower_pipe = FLD_INTF_1_SW_TRG_MUX;
77 upper_pipe = FLD_INTF_2_SW_TRG_MUX;
78 } else {
79 lower_pipe = FLD_INTF_2_SW_TRG_MUX;
80 upper_pipe = FLD_INTF_1_SW_TRG_MUX;
81 }
82 }
83 }
84
85 DPU_REG_WRITE(c, SSPP_SPARE, cfg->split_flush_en ? 0x1 : 0x0);
86 DPU_REG_WRITE(c, SPLIT_DISPLAY_LOWER_PIPE_CTRL, lower_pipe);
87 DPU_REG_WRITE(c, SPLIT_DISPLAY_UPPER_PIPE_CTRL, upper_pipe);
88 DPU_REG_WRITE(c, SPLIT_DISPLAY_EN, cfg->en & 0x1);
89}
90
91static bool dpu_hw_setup_clk_force_ctrl(struct dpu_hw_mdp *mdp,
92 enum dpu_clk_ctrl_type clk_ctrl, bool enable)
93{
94 struct dpu_hw_blk_reg_map *c;
95 u32 reg_off, bit_off;
96 u32 reg_val, new_val;
97 bool clk_forced_on;
98
99 if (!mdp)
100 return false;
101
102 c = &mdp->hw;
103
104 if (clk_ctrl <= DPU_CLK_CTRL_NONE || clk_ctrl >= DPU_CLK_CTRL_MAX)
105 return false;
106
107 reg_off = mdp->caps->clk_ctrls[clk_ctrl].reg_off;
108 bit_off = mdp->caps->clk_ctrls[clk_ctrl].bit_off;
109
110 reg_val = DPU_REG_READ(c, reg_off);
111
112 if (enable)
113 new_val = reg_val | BIT(bit_off);
114 else
115 new_val = reg_val & ~BIT(bit_off);
116
117 DPU_REG_WRITE(c, reg_off, new_val);
118
119 clk_forced_on = !(reg_val & BIT(bit_off));
120
121 return clk_forced_on;
122}
123
124
125static void dpu_hw_get_danger_status(struct dpu_hw_mdp *mdp,
126 struct dpu_danger_safe_status *status)
127{
128 struct dpu_hw_blk_reg_map *c;
129 u32 value;
130
131 if (!mdp || !status)
132 return;
133
134 c = &mdp->hw;
135
136 value = DPU_REG_READ(c, DANGER_STATUS);
137 status->mdp = (value >> 0) & 0x3;
138 status->sspp[SSPP_VIG0] = (value >> 4) & 0x3;
139 status->sspp[SSPP_VIG1] = (value >> 6) & 0x3;
140 status->sspp[SSPP_VIG2] = (value >> 8) & 0x3;
141 status->sspp[SSPP_VIG3] = (value >> 10) & 0x3;
142 status->sspp[SSPP_RGB0] = (value >> 12) & 0x3;
143 status->sspp[SSPP_RGB1] = (value >> 14) & 0x3;
144 status->sspp[SSPP_RGB2] = (value >> 16) & 0x3;
145 status->sspp[SSPP_RGB3] = (value >> 18) & 0x3;
146 status->sspp[SSPP_DMA0] = (value >> 20) & 0x3;
147 status->sspp[SSPP_DMA1] = (value >> 22) & 0x3;
148 status->sspp[SSPP_DMA2] = (value >> 28) & 0x3;
149 status->sspp[SSPP_DMA3] = (value >> 30) & 0x3;
150 status->sspp[SSPP_CURSOR0] = (value >> 24) & 0x3;
151 status->sspp[SSPP_CURSOR1] = (value >> 26) & 0x3;
152}
153
154static void dpu_hw_setup_vsync_source(struct dpu_hw_mdp *mdp,
155 struct dpu_vsync_source_cfg *cfg)
156{
157 struct dpu_hw_blk_reg_map *c;
158 u32 reg, wd_load_value, wd_ctl, wd_ctl2, i;
159 static const u32 pp_offset[PINGPONG_MAX] = {0xC, 0x8, 0x4, 0x13, 0x18};
160
161 if (!mdp || !cfg || (cfg->pp_count > ARRAY_SIZE(cfg->ppnumber)))
162 return;
163
164 c = &mdp->hw;
165 reg = DPU_REG_READ(c, MDP_VSYNC_SEL);
166 for (i = 0; i < cfg->pp_count; i++) {
167 int pp_idx = cfg->ppnumber[i] - PINGPONG_0;
168
169 if (pp_idx >= ARRAY_SIZE(pp_offset))
170 continue;
171
172 reg &= ~(0xf << pp_offset[pp_idx]);
173 reg |= (cfg->vsync_source & 0xf) << pp_offset[pp_idx];
174 }
175 DPU_REG_WRITE(c, MDP_VSYNC_SEL, reg);
176
177 if (cfg->vsync_source >= DPU_VSYNC_SOURCE_WD_TIMER_4 &&
178 cfg->vsync_source <= DPU_VSYNC_SOURCE_WD_TIMER_0) {
179 switch (cfg->vsync_source) {
180 case DPU_VSYNC_SOURCE_WD_TIMER_4:
181 wd_load_value = MDP_WD_TIMER_4_LOAD_VALUE;
182 wd_ctl = MDP_WD_TIMER_4_CTL;
183 wd_ctl2 = MDP_WD_TIMER_4_CTL2;
184 break;
185 case DPU_VSYNC_SOURCE_WD_TIMER_3:
186 wd_load_value = MDP_WD_TIMER_3_LOAD_VALUE;
187 wd_ctl = MDP_WD_TIMER_3_CTL;
188 wd_ctl2 = MDP_WD_TIMER_3_CTL2;
189 break;
190 case DPU_VSYNC_SOURCE_WD_TIMER_2:
191 wd_load_value = MDP_WD_TIMER_2_LOAD_VALUE;
192 wd_ctl = MDP_WD_TIMER_2_CTL;
193 wd_ctl2 = MDP_WD_TIMER_2_CTL2;
194 break;
195 case DPU_VSYNC_SOURCE_WD_TIMER_1:
196 wd_load_value = MDP_WD_TIMER_1_LOAD_VALUE;
197 wd_ctl = MDP_WD_TIMER_1_CTL;
198 wd_ctl2 = MDP_WD_TIMER_1_CTL2;
199 break;
200 case DPU_VSYNC_SOURCE_WD_TIMER_0:
201 default:
202 wd_load_value = MDP_WD_TIMER_0_LOAD_VALUE;
203 wd_ctl = MDP_WD_TIMER_0_CTL;
204 wd_ctl2 = MDP_WD_TIMER_0_CTL2;
205 break;
206 }
207
208 DPU_REG_WRITE(c, wd_load_value,
209 CALCULATE_WD_LOAD_VALUE(cfg->frame_rate));
210
211 DPU_REG_WRITE(c, wd_ctl, BIT(0));
212 reg = DPU_REG_READ(c, wd_ctl2);
213 reg |= BIT(8);
214 reg |= BIT(0);
215 DPU_REG_WRITE(c, wd_ctl2, reg);
216
217
218 wmb();
219 }
220}
221
222static void dpu_hw_get_safe_status(struct dpu_hw_mdp *mdp,
223 struct dpu_danger_safe_status *status)
224{
225 struct dpu_hw_blk_reg_map *c;
226 u32 value;
227
228 if (!mdp || !status)
229 return;
230
231 c = &mdp->hw;
232
233 value = DPU_REG_READ(c, SAFE_STATUS);
234 status->mdp = (value >> 0) & 0x1;
235 status->sspp[SSPP_VIG0] = (value >> 4) & 0x1;
236 status->sspp[SSPP_VIG1] = (value >> 6) & 0x1;
237 status->sspp[SSPP_VIG2] = (value >> 8) & 0x1;
238 status->sspp[SSPP_VIG3] = (value >> 10) & 0x1;
239 status->sspp[SSPP_RGB0] = (value >> 12) & 0x1;
240 status->sspp[SSPP_RGB1] = (value >> 14) & 0x1;
241 status->sspp[SSPP_RGB2] = (value >> 16) & 0x1;
242 status->sspp[SSPP_RGB3] = (value >> 18) & 0x1;
243 status->sspp[SSPP_DMA0] = (value >> 20) & 0x1;
244 status->sspp[SSPP_DMA1] = (value >> 22) & 0x1;
245 status->sspp[SSPP_DMA2] = (value >> 28) & 0x1;
246 status->sspp[SSPP_DMA3] = (value >> 30) & 0x1;
247 status->sspp[SSPP_CURSOR0] = (value >> 24) & 0x1;
248 status->sspp[SSPP_CURSOR1] = (value >> 26) & 0x1;
249}
250
251static void dpu_hw_intf_audio_select(struct dpu_hw_mdp *mdp)
252{
253 struct dpu_hw_blk_reg_map *c;
254
255 if (!mdp)
256 return;
257
258 c = &mdp->hw;
259
260 DPU_REG_WRITE(c, HDMI_DP_CORE_SELECT, 0x1);
261}
262
263static void _setup_mdp_ops(struct dpu_hw_mdp_ops *ops,
264 unsigned long cap)
265{
266 ops->setup_split_pipe = dpu_hw_setup_split_pipe;
267 ops->setup_clk_force_ctrl = dpu_hw_setup_clk_force_ctrl;
268 ops->get_danger_status = dpu_hw_get_danger_status;
269 ops->setup_vsync_source = dpu_hw_setup_vsync_source;
270 ops->get_safe_status = dpu_hw_get_safe_status;
271 ops->intf_audio_select = dpu_hw_intf_audio_select;
272}
273
274static const struct dpu_mdp_cfg *_top_offset(enum dpu_mdp mdp,
275 const struct dpu_mdss_cfg *m,
276 void __iomem *addr,
277 struct dpu_hw_blk_reg_map *b)
278{
279 int i;
280
281 if (!m || !addr || !b)
282 return ERR_PTR(-EINVAL);
283
284 for (i = 0; i < m->mdp_count; i++) {
285 if (mdp == m->mdp[i].id) {
286 b->base_off = addr;
287 b->blk_off = m->mdp[i].base;
288 b->length = m->mdp[i].len;
289 b->hwversion = m->hwversion;
290 b->log_mask = DPU_DBG_MASK_TOP;
291 return &m->mdp[i];
292 }
293 }
294
295 return ERR_PTR(-EINVAL);
296}
297
298static struct dpu_hw_blk_ops dpu_hw_ops;
299
300struct dpu_hw_mdp *dpu_hw_mdptop_init(enum dpu_mdp idx,
301 void __iomem *addr,
302 const struct dpu_mdss_cfg *m)
303{
304 struct dpu_hw_mdp *mdp;
305 const struct dpu_mdp_cfg *cfg;
306
307 if (!addr || !m)
308 return ERR_PTR(-EINVAL);
309
310 mdp = kzalloc(sizeof(*mdp), GFP_KERNEL);
311 if (!mdp)
312 return ERR_PTR(-ENOMEM);
313
314 cfg = _top_offset(idx, m, addr, &mdp->hw);
315 if (IS_ERR_OR_NULL(cfg)) {
316 kfree(mdp);
317 return ERR_PTR(-EINVAL);
318 }
319
320
321
322
323 mdp->idx = idx;
324 mdp->caps = cfg;
325 _setup_mdp_ops(&mdp->ops, mdp->caps->features);
326
327 dpu_hw_blk_init(&mdp->base, DPU_HW_BLK_TOP, idx, &dpu_hw_ops);
328
329 return mdp;
330}
331
332void dpu_hw_mdp_destroy(struct dpu_hw_mdp *mdp)
333{
334 if (mdp)
335 dpu_hw_blk_destroy(&mdp->base);
336 kfree(mdp);
337}
338
339
