Dhaval Patel | e890ef2 | 2016-02-08 16:56:05 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. |
Dhaval Patel | ffb7b59 | 2015-03-23 23:34:07 -0700 | [diff] [blame] | 2 | * |
| 3 | * Redistribution and use in source and binary forms, with or without |
| 4 | * modification, are permitted provided that the following conditions are |
| 5 | * met: |
| 6 | * * Redistributions of source code must retain the above copyright |
| 7 | * notice, this list of conditions and the following disclaimer. |
| 8 | * * Redistributions in binary form must reproduce the above |
| 9 | * copyright notice, this list of conditions and the following |
| 10 | * disclaimer in the documentation and/or other materials provided |
| 11 | * with the distribution. |
| 12 | * * Neither the name of The Linux Foundation nor the names of its |
| 13 | * contributors may be used to endorse or promote products derived |
| 14 | * from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 23 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 25 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 26 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | * |
| 28 | */ |
| 29 | #include <debug.h> |
| 30 | #include <bits.h> |
| 31 | #include <reg.h> |
| 32 | #include <err.h> |
| 33 | #include <smem.h> |
| 34 | #include <board.h> |
| 35 | #include <mipi_dsi.h> |
| 36 | #include <mipi_dsi_autopll_thulium.h> |
| 37 | #include <platform/iomap.h> |
| 38 | #include <qtimer.h> |
| 39 | #include <arch/defines.h> |
| 40 | |
| 41 | #define DATALANE_OFFSET_FROM_BASE_THULIUM 0x100 |
| 42 | #define DATALANE_SIZE_THULIUM 0x80 |
| 43 | #define MMSS_DSI_DSIPHY_CMN_LDO_CTRL 0x4c |
| 44 | |
| 45 | #define VCO_REF_CLK_RATE 19200000 |
| 46 | |
Padmanabhan Komanduru | 0740fa8 | 2016-04-05 16:59:38 +0530 | [diff] [blame] | 47 | #define CEIL(x, y) (((x) + ((y)-1)) / (y)) |
| 48 | |
Dhaval Patel | ffb7b59 | 2015-03-23 23:34:07 -0700 | [diff] [blame] | 49 | static void mdss_mdp_pll_input_init(struct dsi_pll_db *pdb) |
| 50 | { |
| 51 | pdb->in.fref = 19200000; /* 19.2 Mhz*/ |
| 52 | pdb->in.fdata = 0; /* bit clock rate */ |
| 53 | pdb->in.dsiclk_sel = 1; /* 1, reg: 0x0014 */ |
Padmanabhan Komanduru | 0740fa8 | 2016-04-05 16:59:38 +0530 | [diff] [blame] | 54 | pdb->in.ssc_en = 1; /* 1, reg: 0x0494, bit 0 */ |
Dhaval Patel | ffb7b59 | 2015-03-23 23:34:07 -0700 | [diff] [blame] | 55 | pdb->in.ldo_en = 0; /* 0, reg: 0x004c, bit 0 */ |
| 56 | |
| 57 | /* fixed input */ |
| 58 | pdb->in.refclk_dbler_en = 0; /* 0, reg: 0x04c0, bit 1 */ |
| 59 | pdb->in.vco_measure_time = 5; /* 5, unknown */ |
| 60 | pdb->in.kvco_measure_time = 5; /* 5, unknown */ |
| 61 | pdb->in.bandgap_timer = 4; /* 4, reg: 0x0430, bit 3 - 5 */ |
| 62 | pdb->in.pll_wakeup_timer = 5; /* 5, reg: 0x043c, bit 0 - 2 */ |
| 63 | pdb->in.plllock_cnt = 1; /* 1, reg: 0x0488, bit 1 - 2 */ |
| 64 | pdb->in.plllock_rng = 0; /* 0, reg: 0x0488, bit 3 - 4 */ |
| 65 | pdb->in.ssc_center_spread = 0; /* 0, reg: 0x0494, bit 1 */ |
| 66 | pdb->in.ssc_adj_per = 37; /* 37, reg: 0x498, bit 0 - 9 */ |
| 67 | pdb->in.ssc_spread = 5; /* 0.005, 5kppm */ |
| 68 | pdb->in.ssc_freq = 31500; /* 31.5 khz */ |
| 69 | |
| 70 | pdb->in.pll_ie_trim = 4; /* 4, reg: 0x0400 */ |
| 71 | pdb->in.pll_ip_trim = 4; /* 4, reg: 0x0404 */ |
| 72 | pdb->in.pll_cpcset_cur = 1; /* 1, reg: 0x04f0, bit 0 - 2 */ |
| 73 | pdb->in.pll_cpmset_cur = 1; /* 1, reg: 0x04f0, bit 3 - 5 */ |
| 74 | pdb->in.pll_icpmset = 4; /* 4, reg: 0x04fc, bit 3 - 5 */ |
| 75 | pdb->in.pll_icpcset = 4; /* 4, reg: 0x04fc, bit 0 - 2 */ |
| 76 | pdb->in.pll_icpmset_p = 0; /* 0, reg: 0x04f4, bit 0 - 2 */ |
| 77 | pdb->in.pll_icpmset_m = 0; /* 0, reg: 0x04f4, bit 3 - 5 */ |
| 78 | pdb->in.pll_icpcset_p = 0; /* 0, reg: 0x04f8, bit 0 - 2 */ |
| 79 | pdb->in.pll_icpcset_m = 0; /* 0, reg: 0x04f8, bit 3 - 5 */ |
| 80 | pdb->in.pll_lpf_res1 = 3; /* 3, reg: 0x0504, bit 0 - 3 */ |
| 81 | pdb->in.pll_lpf_cap1 = 11; /* 11, reg: 0x0500, bit 0 - 3 */ |
Chandan Uddaraju | 5fb979f | 2016-01-29 10:02:20 -0800 | [diff] [blame] | 82 | pdb->in.pll_lpf_cap2 = 1; /* 1, reg: 0x0500, bit 4 - 7 */ |
Dhaval Patel | ffb7b59 | 2015-03-23 23:34:07 -0700 | [diff] [blame] | 83 | pdb->in.pll_iptat_trim = 7; |
| 84 | pdb->in.pll_c3ctrl = 2; /* 2 */ |
| 85 | pdb->in.pll_r3ctrl = 1; /* 1 */ |
| 86 | } |
| 87 | |
| 88 | static void mdss_mdp_pll_dec_frac_calc(struct dsi_pll_db *pdb, |
| 89 | uint32_t vco_clk_rate, uint32_t fref) |
| 90 | { |
| 91 | uint64_t vco_clk; |
| 92 | uint64_t multiplier = BIT(20); |
| 93 | uint64_t dec_start_multiple, dec_start, pll_comp_val; |
| 94 | uint32_t duration, div_frac_start; |
| 95 | |
| 96 | vco_clk = vco_clk_rate * multiplier; |
| 97 | |
| 98 | dec_start_multiple = (uint64_t) vco_clk / fref; |
| 99 | div_frac_start = (uint32_t) dec_start_multiple % multiplier; |
| 100 | |
| 101 | dec_start = dec_start_multiple / multiplier; |
| 102 | |
| 103 | pdb->out.dec_start = (uint32_t)dec_start; |
| 104 | pdb->out.div_frac_start = div_frac_start; |
| 105 | |
| 106 | if (pdb->in.plllock_cnt == 0) |
| 107 | duration = 1024; |
| 108 | else if (pdb->in.plllock_cnt == 1) |
| 109 | duration = 256; |
| 110 | else if (pdb->in.plllock_cnt == 2) |
| 111 | duration = 128; |
| 112 | else |
| 113 | duration = 32; |
| 114 | |
| 115 | pll_comp_val = (uint64_t)duration * dec_start_multiple; |
| 116 | pll_comp_val /= (multiplier * 10); |
| 117 | |
| 118 | pdb->out.plllock_cmp = (uint32_t)pll_comp_val; |
| 119 | |
| 120 | pdb->out.pll_txclk_en = 1; |
Dhaval Patel | e890ef2 | 2016-02-08 16:56:05 -0800 | [diff] [blame] | 121 | pdb->out.cmn_ldo_cntrl = 0x3c; |
Dhaval Patel | ffb7b59 | 2015-03-23 23:34:07 -0700 | [diff] [blame] | 122 | } |
| 123 | |
Padmanabhan Komanduru | 0740fa8 | 2016-04-05 16:59:38 +0530 | [diff] [blame] | 124 | static void mdss_mdp_pll_ssc_calc(struct dsi_pll_db *pdb, |
| 125 | uint32_t vco_clk_rate, uint32_t fref) |
| 126 | { |
| 127 | uint32_t period, ssc_period; |
| 128 | uint32_t ref, rem; |
| 129 | uint64_t step_size; |
| 130 | |
| 131 | ssc_period = pdb->in.ssc_freq / 500; |
| 132 | period = (unsigned long)fref / 1000; |
| 133 | ssc_period = CEIL(period, ssc_period); |
| 134 | ssc_period -= 1; |
| 135 | pdb->out.ssc_per = ssc_period; |
| 136 | |
| 137 | step_size = vco_clk_rate; |
| 138 | ref = fref; |
| 139 | |
| 140 | ref /= 1000; |
| 141 | step_size /= ref; |
| 142 | step_size <<= 20; |
| 143 | step_size /= 1000; |
| 144 | step_size *= pdb->in.ssc_spread; |
| 145 | step_size /= 1000; |
| 146 | step_size *= (pdb->in.ssc_adj_per + 1); |
| 147 | |
| 148 | rem = 0; |
| 149 | rem = step_size % (ssc_period + 1); |
| 150 | if (rem) |
| 151 | step_size++; |
| 152 | |
| 153 | step_size &= 0x0ffff; /* take lower 16 bits */ |
| 154 | pdb->out.ssc_step_size = step_size; |
| 155 | } |
| 156 | |
Dhaval Patel | ffb7b59 | 2015-03-23 23:34:07 -0700 | [diff] [blame] | 157 | static uint32_t mdss_mdp_pll_kvco_slop(uint32_t vrate) |
| 158 | { |
| 159 | uint32_t slop = 0; |
| 160 | |
| 161 | if (vrate > 1300000000 && vrate <= 1800000000) |
| 162 | slop = 600; |
| 163 | else if (vrate > 1800000000 && vrate < 2300000000) |
| 164 | slop = 400; |
| 165 | else if (vrate > 2300000000 && vrate < 2600000000) |
| 166 | slop = 280; |
| 167 | |
| 168 | return slop; |
| 169 | } |
| 170 | |
Ingrid Gallardo | 2b831f3 | 2016-06-15 15:08:08 -0700 | [diff] [blame] | 171 | static inline uint32_t mdss_mdp_pll_calc_kvco_code(uint32_t vco_clk_rate) |
| 172 | { |
| 173 | uint32_t kvco_code; |
| 174 | |
| 175 | if ((vco_clk_rate >= 2300000000ULL) && |
| 176 | (vco_clk_rate <= 2600000000ULL)) |
| 177 | kvco_code = 0x2f; |
| 178 | else if ((vco_clk_rate >= 1800000000ULL) && |
| 179 | (vco_clk_rate < 2300000000ULL)) |
| 180 | kvco_code = 0x2c; |
| 181 | else |
| 182 | kvco_code = 0x28; |
| 183 | |
| 184 | return kvco_code; |
| 185 | } |
| 186 | |
Dhaval Patel | ffb7b59 | 2015-03-23 23:34:07 -0700 | [diff] [blame] | 187 | static void mdss_mdp_pll_calc_vco_count(struct dsi_pll_db *pdb, |
| 188 | uint32_t vco_clk_rate, uint32_t fref) |
| 189 | { |
| 190 | uint64_t data; |
| 191 | uint32_t cnt; |
| 192 | |
| 193 | data = fref * pdb->in.vco_measure_time; |
| 194 | data /= 1000000; |
| 195 | data &= 0x03ff; /* 10 bits */ |
| 196 | data -= 2; |
| 197 | pdb->out.pll_vco_div_ref = data; |
| 198 | |
| 199 | data = vco_clk_rate / 1000000; /* unit is Mhz */ |
| 200 | data *= pdb->in.vco_measure_time; |
| 201 | data /= 10; |
| 202 | pdb->out.pll_vco_count = data; /* reg: 0x0474, 0x0478 */ |
| 203 | |
| 204 | data = fref * pdb->in.kvco_measure_time; |
| 205 | data /= 1000000; |
| 206 | data &= 0x03ff; /* 10 bits */ |
| 207 | data -= 1; |
| 208 | pdb->out.pll_kvco_div_ref = data; |
| 209 | |
| 210 | cnt = mdss_mdp_pll_kvco_slop(vco_clk_rate); |
| 211 | cnt *= 2; |
| 212 | cnt /= 100; |
| 213 | cnt *= pdb->in.kvco_measure_time; |
| 214 | pdb->out.pll_kvco_count = cnt; |
| 215 | |
| 216 | pdb->out.pll_misc1 = 16; |
Chandan Uddaraju | 5fb979f | 2016-01-29 10:02:20 -0800 | [diff] [blame] | 217 | pdb->out.pll_resetsm_cntrl = 48; |
Dhaval Patel | ffb7b59 | 2015-03-23 23:34:07 -0700 | [diff] [blame] | 218 | pdb->out.pll_resetsm_cntrl2 = pdb->in.bandgap_timer << 3; |
| 219 | pdb->out.pll_resetsm_cntrl5 = pdb->in.pll_wakeup_timer; |
Ingrid Gallardo | 2b831f3 | 2016-06-15 15:08:08 -0700 | [diff] [blame] | 220 | pdb->out.pll_kvco_code = mdss_mdp_pll_calc_kvco_code(vco_clk_rate); |
Dhaval Patel | ffb7b59 | 2015-03-23 23:34:07 -0700 | [diff] [blame] | 221 | } |
| 222 | |
| 223 | static void mdss_mdp_pll_assert_and_div_cfg(uint32_t phy_base, |
| 224 | struct dsi_pll_db *pdb) |
| 225 | { |
| 226 | uint32_t n2div = 0; |
| 227 | |
| 228 | n2div = readl(phy_base + DSIPHY_CMN_CLK_CFG0); |
| 229 | n2div &= ~(0xf0); |
| 230 | n2div |= (pdb->out.pll_n2div << 4); |
| 231 | writel(n2div, phy_base + DSIPHY_CMN_CLK_CFG0); |
| 232 | |
| 233 | dmb(); |
| 234 | } |
| 235 | |
| 236 | static void mdss_mdp_pll_nonfreq_config(uint32_t phy_base, struct dsi_pll_db *pdb) |
| 237 | { |
| 238 | uint32_t data; |
| 239 | |
| 240 | writel(pdb->out.cmn_ldo_cntrl, phy_base + DSIPHY_CMN_LDO_CNTRL); |
| 241 | writel(0x0, phy_base + DSIPHY_PLL_SYSCLK_EN_RESET); |
| 242 | |
| 243 | data = pdb->out.pll_txclk_en; |
| 244 | writel(pdb->out.pll_txclk_en, phy_base + DSIPHY_PLL_TXCLK_EN); |
| 245 | |
| 246 | writel(pdb->out.pll_resetsm_cntrl, phy_base + DSIPHY_PLL_RESETSM_CNTRL); |
| 247 | writel(pdb->out.pll_resetsm_cntrl2, phy_base + DSIPHY_PLL_RESETSM_CNTRL2); |
| 248 | writel(pdb->out.pll_resetsm_cntrl5, phy_base + DSIPHY_PLL_RESETSM_CNTRL5); |
| 249 | |
| 250 | data = pdb->out.pll_vco_div_ref; |
| 251 | data &= 0x0ff; |
| 252 | writel(data, phy_base + DSIPHY_PLL_VCO_DIV_REF1); |
| 253 | data = (pdb->out.pll_vco_div_ref >> 8); |
| 254 | data &= 0x03; |
| 255 | writel(data, phy_base + DSIPHY_PLL_VCO_DIV_REF2); |
| 256 | |
| 257 | data = pdb->out.pll_kvco_div_ref; |
| 258 | data &= 0x0ff; |
| 259 | writel(data, phy_base + DSIPHY_PLL_KVCO_DIV_REF1); |
| 260 | data = (pdb->out.pll_kvco_div_ref >> 8); |
| 261 | data &= 0x03; |
| 262 | writel(data, phy_base + DSIPHY_PLL_KVCO_DIV_REF2); |
| 263 | |
| 264 | writel(pdb->out.pll_misc1, phy_base + DSIPHY_PLL_PLL_MISC1); |
| 265 | |
| 266 | writel(pdb->in.pll_ie_trim, phy_base + DSIPHY_PLL_IE_TRIM); |
| 267 | |
| 268 | writel(pdb->in.pll_ip_trim, phy_base + DSIPHY_PLL_IP_TRIM); |
| 269 | |
| 270 | data = ((pdb->in.pll_cpmset_cur << 3) | pdb->in.pll_cpcset_cur); |
| 271 | writel(data, phy_base + DSIPHY_PLL_CP_SET_CUR); |
| 272 | |
| 273 | data = ((pdb->in.pll_icpcset_p << 3) | pdb->in.pll_icpcset_m); |
| 274 | writel(data, phy_base + DSIPHY_PLL_PLL_ICPCSET); |
| 275 | |
| 276 | data = ((pdb->in.pll_icpmset_p << 3) | pdb->in.pll_icpcset_m); |
| 277 | writel(data, phy_base + DSIPHY_PLL_PLL_ICPMSET); |
| 278 | |
| 279 | data = ((pdb->in.pll_icpmset << 3) | pdb->in.pll_icpcset); |
| 280 | writel(data, phy_base + DSIPHY_PLL_PLL_ICP_SET); |
| 281 | |
| 282 | data = ((pdb->in.pll_lpf_cap2 << 4) | pdb->in.pll_lpf_cap1); |
| 283 | writel(data, phy_base + DSIPHY_PLL_PLL_LPF1); |
| 284 | |
| 285 | writel(pdb->in.pll_iptat_trim, phy_base + DSIPHY_PLL_IPTAT_TRIM); |
| 286 | |
| 287 | data = (pdb->in.pll_c3ctrl | (pdb->in.pll_r3ctrl << 4)); |
| 288 | writel(data, phy_base + DSIPHY_PLL_PLL_CRCTRL); |
| 289 | dmb(); |
| 290 | } |
| 291 | |
| 292 | static void mdss_mdp_pll_freq_config(uint32_t phy_base, struct dsi_pll_db *pdb) |
| 293 | { |
| 294 | uint32_t data; |
| 295 | |
| 296 | writel(0x0, phy_base + DSIPHY_CMN_PLL_CNTRL); |
| 297 | /* reset digital block */ |
| 298 | writel(0x20, phy_base + DSIPHY_CMN_CTRL_1); |
| 299 | dmb(); |
| 300 | udelay(10); |
| 301 | writel(0x00, phy_base + DSIPHY_CMN_CTRL_1); |
| 302 | dmb(); |
| 303 | |
| 304 | writel(pdb->in.dsiclk_sel, phy_base + DSIPHY_CMN_CLK_CFG1); |
| 305 | writel(0xff, phy_base + DSIPHY_CMN_CTRL_0); |
| 306 | writel(pdb->out.dec_start, phy_base + DSIPHY_PLL_DEC_START); |
| 307 | |
| 308 | data = pdb->out.div_frac_start; |
| 309 | data &= 0x0ff; |
| 310 | writel(data, phy_base + DSIPHY_PLL_DIV_FRAC_START1); |
| 311 | data = (pdb->out.div_frac_start >> 8); |
| 312 | data &= 0x0ff; |
| 313 | writel(data, phy_base + DSIPHY_PLL_DIV_FRAC_START2); |
| 314 | data = (pdb->out.div_frac_start >> 16); |
| 315 | data &= 0x0f; |
| 316 | writel(data, phy_base + DSIPHY_PLL_DIV_FRAC_START3); |
| 317 | |
| 318 | data = pdb->out.plllock_cmp; |
| 319 | data &= 0x0ff; |
| 320 | writel(data, phy_base + DSIPHY_PLL_PLLLOCK_CMP1); |
| 321 | data = (pdb->out.plllock_cmp >> 8); |
| 322 | data &= 0x0ff; |
| 323 | writel(data, phy_base + DSIPHY_PLL_PLLLOCK_CMP2); |
| 324 | data = (pdb->out.plllock_cmp >> 16); |
| 325 | data &= 0x03; |
| 326 | writel(data, phy_base + DSIPHY_PLL_PLLLOCK_CMP3); |
| 327 | |
| 328 | data = ((pdb->in.plllock_cnt << 1) | (pdb->in.plllock_rng << 3)); |
| 329 | writel(data, phy_base + DSIPHY_PLL_PLLLOCK_CMP_EN); |
| 330 | |
| 331 | data = pdb->out.pll_vco_count; |
| 332 | data &= 0x0ff; |
| 333 | writel(data, phy_base + DSIPHY_PLL_VCO_COUNT1); |
| 334 | data = (pdb->out.pll_vco_count >> 8); |
| 335 | data &= 0x0ff; |
| 336 | writel(data, phy_base + DSIPHY_PLL_VCO_COUNT2); |
| 337 | |
| 338 | data = pdb->out.pll_kvco_count; |
| 339 | data &= 0x0ff; |
| 340 | writel(data, phy_base + DSIPHY_PLL_KVCO_COUNT1); |
| 341 | data = (pdb->out.pll_kvco_count >> 8); |
| 342 | data &= 0x03; |
| 343 | writel(data, phy_base + DSIPHY_PLL_KVCO_COUNT2); |
| 344 | |
Ingrid Gallardo | 2b831f3 | 2016-06-15 15:08:08 -0700 | [diff] [blame] | 345 | data = pdb->out.pll_kvco_code; |
| 346 | writel(data, phy_base + DSIPHY_PLL_KVCO_CODE); |
| 347 | |
Dhaval Patel | ffb7b59 | 2015-03-23 23:34:07 -0700 | [diff] [blame] | 348 | /* |
| 349 | * tx_band = pll_postdiv |
| 350 | * 0: divided by 1 <== for now |
| 351 | * 1: divided by 2 |
| 352 | * 2: divided by 4 |
| 353 | * 3: divided by 8 |
| 354 | */ |
| 355 | if (pdb->out.pll_postdiv) |
| 356 | data = (((pdb->out.pll_postdiv - 1) << 4) | |
| 357 | pdb->in.pll_lpf_res1); |
| 358 | else |
| 359 | data = pdb->in.pll_lpf_res1; |
| 360 | writel(data, phy_base + DSIPHY_PLL_PLL_LPF2_POSTDIV); |
| 361 | |
| 362 | data = (pdb->out.pll_n1div | (pdb->out.pll_n2div << 4)); |
| 363 | writel(data, phy_base + DSIPHY_CMN_CLK_CFG0); |
| 364 | |
| 365 | dmb(); /* make sure register committed */ |
| 366 | } |
| 367 | |
Padmanabhan Komanduru | 0740fa8 | 2016-04-05 16:59:38 +0530 | [diff] [blame] | 368 | static void mdss_mdp_pll_ssc_config(uint32_t phy_base, struct dsi_pll_db *pdb) |
| 369 | { |
| 370 | uint32_t data; |
| 371 | |
| 372 | data = pdb->in.ssc_adj_per; |
| 373 | data &= 0x0ff; |
| 374 | writel(data, phy_base + DSIPHY_PLL_SSC_ADJ_PER1); |
| 375 | data = (pdb->in.ssc_adj_per >> 8); |
| 376 | data &= 0x03; |
| 377 | writel(data, phy_base + DSIPHY_PLL_SSC_ADJ_PER2); |
| 378 | |
| 379 | data = pdb->out.ssc_per; |
| 380 | data &= 0x0ff; |
| 381 | writel(data, phy_base + DSIPHY_PLL_SSC_PER1); |
| 382 | data = (pdb->out.ssc_per >> 8); |
| 383 | data &= 0x0ff; |
| 384 | writel(data, phy_base + DSIPHY_PLL_SSC_PER2); |
| 385 | |
| 386 | data = pdb->out.ssc_step_size; |
| 387 | data &= 0x0ff; |
| 388 | writel(data, phy_base + DSIPHY_PLL_SSC_STEP_SIZE1); |
| 389 | data = (pdb->out.ssc_step_size >> 8); |
| 390 | data &= 0x0ff; |
| 391 | writel(data, phy_base + DSIPHY_PLL_SSC_STEP_SIZE2); |
| 392 | |
| 393 | data = (pdb->in.ssc_center_spread & 0x01); |
| 394 | data <<= 1; |
| 395 | data |= 0x01; /* enable */ |
| 396 | writel(data, phy_base + DSIPHY_PLL_SSC_EN_CENTER); |
| 397 | } |
| 398 | |
Dhaval Patel | ffb7b59 | 2015-03-23 23:34:07 -0700 | [diff] [blame] | 399 | static int mdss_dsi_phy_14nm_init(struct msm_panel_info *pinfo, |
| 400 | uint32_t phy_base) |
| 401 | { |
| 402 | struct mdss_dsi_phy_ctrl *pd; |
| 403 | struct mipi_panel_info *mipi; |
| 404 | int j, off, ln, cnt, ln_off; |
| 405 | uint32_t base; |
| 406 | uint32_t data; |
| 407 | |
| 408 | mipi = &pinfo->mipi; |
| 409 | pd = (mipi->mdss_dsi_phy_db); |
| 410 | |
| 411 | /* Strength ctrl 0 */ |
| 412 | writel(0x1c, phy_base + MMSS_DSI_DSIPHY_CMN_LDO_CTRL); |
| 413 | writel(0x1, phy_base + DSIPHY_CMN_GLBL_TEST_CTRL); |
| 414 | |
| 415 | /* 4 lanes + clk lane configuration */ |
| 416 | for (ln = 0; ln < 5; ln++) { |
| 417 | /* |
| 418 | * data lane offset frome base: 0x100 |
| 419 | * data lane size: 0x80 |
| 420 | */ |
| 421 | base = phy_base + DATALANE_OFFSET_FROM_BASE_THULIUM; |
| 422 | base += (ln * DATALANE_SIZE_THULIUM); /* lane base */ |
| 423 | |
| 424 | /* lane cfg, 4 * 5 */ |
| 425 | cnt = 4; |
| 426 | ln_off = cnt * ln; |
| 427 | off = 0x0; |
| 428 | for (j = 0; j < cnt; j++, off += 4) |
| 429 | writel(pd->laneCfg[ln_off + j], base + off); |
| 430 | |
| 431 | /* test str */ |
| 432 | writel(0x88, base + 0x14); |
| 433 | |
| 434 | /* phy timing, 8 * 5 */ |
| 435 | cnt = 8; |
| 436 | ln_off = cnt * ln; |
| 437 | off = 0x18; |
| 438 | for (j = 0; j < cnt; j++, off += 4) |
| 439 | writel(pd->timing[ln_off + j], base + off); |
| 440 | |
| 441 | /* strength, 2 * 5 */ |
| 442 | cnt = 2; |
| 443 | ln_off = cnt * ln; |
| 444 | off = 0x38; |
| 445 | for (j = 0; j < cnt; j++, off += 4) |
| 446 | writel(pd->strength[ln_off + j], base + off); |
| 447 | |
| 448 | /* vreg ctrl, 1 * 5 */ |
| 449 | off = 0x64; |
| 450 | writel(pd->regulator[cnt], base + off); |
| 451 | } |
| 452 | dmb(); |
| 453 | |
| 454 | /* reset digital block */ |
| 455 | writel(0x80, phy_base + DSIPHY_CMN_CTRL_1); |
| 456 | dmb(); |
| 457 | udelay(100); |
| 458 | writel(0x00, phy_base + DSIPHY_CMN_CTRL_1); |
| 459 | |
| 460 | if (pinfo->lcdc.split_display) { |
| 461 | if (mipi->phy_base == phy_base) { |
| 462 | writel(0x3, phy_base + DSIPHY_PLL_CLKBUFLR_EN); |
| 463 | data = readl(phy_base + DSIPHY_CMN_GLBL_TEST_CTRL); |
| 464 | data &= ~BIT(2); |
| 465 | writel(data, phy_base + DSIPHY_CMN_GLBL_TEST_CTRL); |
| 466 | } else { |
| 467 | writel(0x0, phy_base + DSIPHY_PLL_CLKBUFLR_EN); |
| 468 | data = readl(phy_base + DSIPHY_CMN_GLBL_TEST_CTRL); |
| 469 | data |= BIT(2); |
| 470 | writel(data, phy_base + DSIPHY_CMN_GLBL_TEST_CTRL); |
| 471 | writel(0x3, phy_base + DSIPHY_PLL_PLL_BANDGAP); |
| 472 | } |
| 473 | } else { |
| 474 | writel(0x1, phy_base + DSIPHY_PLL_CLKBUFLR_EN); |
| 475 | data = readl(phy_base + DSIPHY_CMN_GLBL_TEST_CTRL); |
| 476 | data &= ~BIT(2); |
| 477 | writel(data, phy_base + DSIPHY_CMN_GLBL_TEST_CTRL); |
| 478 | } |
| 479 | |
| 480 | dmb(); |
| 481 | return 0; |
| 482 | } |
| 483 | |
| 484 | void mdss_dsi_auto_pll_thulium_config(struct msm_panel_info *pinfo) |
| 485 | { |
| 486 | struct dsi_pll_db pdb; |
| 487 | struct mdss_dsi_pll_config *pll_data = pinfo->mipi.dsi_pll_config; |
| 488 | uint32_t phy_base = pinfo->mipi.phy_base; |
| 489 | uint32_t phy_1_base = pinfo->mipi.sphy_base; |
| 490 | |
| 491 | mdss_dsi_phy_sw_reset(pinfo->mipi.ctl_base); |
| 492 | if (pinfo->mipi.dual_dsi) |
| 493 | mdss_dsi_phy_sw_reset(pinfo->mipi.sctl_base); |
| 494 | |
| 495 | mdss_dsi_phy_14nm_init(pinfo, phy_base); |
| 496 | if (pinfo->mipi.dual_dsi) |
| 497 | mdss_dsi_phy_14nm_init(pinfo, phy_1_base); |
| 498 | |
| 499 | mdss_mdp_pll_input_init(&pdb); |
| 500 | pdb.out.pll_postdiv = pll_data->ndiv; |
| 501 | pdb.out.pll_n1div = pll_data->n1div; |
| 502 | pdb.out.pll_n2div = pll_data->n2div; |
| 503 | |
| 504 | mdss_mdp_pll_dec_frac_calc(&pdb, pll_data->vco_clock, VCO_REF_CLK_RATE); |
Padmanabhan Komanduru | 0740fa8 | 2016-04-05 16:59:38 +0530 | [diff] [blame] | 505 | if (pdb.in.ssc_en) |
| 506 | mdss_mdp_pll_ssc_calc(&pdb, pll_data->vco_clock, |
| 507 | VCO_REF_CLK_RATE); |
Dhaval Patel | ffb7b59 | 2015-03-23 23:34:07 -0700 | [diff] [blame] | 508 | mdss_mdp_pll_calc_vco_count(&pdb, pll_data->vco_clock, VCO_REF_CLK_RATE); |
| 509 | |
| 510 | /* de-assert pll and start */ |
| 511 | mdss_mdp_pll_assert_and_div_cfg(phy_base, &pdb); |
| 512 | writel(pdb.in.dsiclk_sel, phy_base + DSIPHY_CMN_CLK_CFG1); |
| 513 | if (pinfo->lcdc.split_display) |
| 514 | mdss_mdp_pll_assert_and_div_cfg(phy_1_base, &pdb); |
| 515 | |
| 516 | /* configure frequence */ |
| 517 | mdss_mdp_pll_nonfreq_config(phy_base, &pdb); |
| 518 | mdss_mdp_pll_freq_config(phy_base, &pdb); |
Padmanabhan Komanduru | 0740fa8 | 2016-04-05 16:59:38 +0530 | [diff] [blame] | 519 | if (pdb.in.ssc_en) |
| 520 | mdss_mdp_pll_ssc_config(phy_base, &pdb); |
Dhaval Patel | ffb7b59 | 2015-03-23 23:34:07 -0700 | [diff] [blame] | 521 | |
| 522 | if (pinfo->lcdc.split_display) { |
| 523 | mdss_mdp_pll_nonfreq_config(phy_1_base, &pdb); |
| 524 | mdss_mdp_pll_freq_config(phy_1_base, &pdb); |
Padmanabhan Komanduru | 0740fa8 | 2016-04-05 16:59:38 +0530 | [diff] [blame] | 525 | if (pdb.in.ssc_en) |
| 526 | mdss_mdp_pll_ssc_config(phy_1_base, &pdb); |
Dhaval Patel | ffb7b59 | 2015-03-23 23:34:07 -0700 | [diff] [blame] | 527 | } |
| 528 | } |