2 * Copyright 2015 Oleksandr Tymoshenko <gonzo@freebsd.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/module.h>
34 #include <sys/clock.h>
35 #include <sys/eventhandler.h>
39 #include <sys/mutex.h>
40 #include <sys/resource.h>
42 #include <sys/sysctl.h>
44 #include <sys/consio.h>
46 #include <machine/bus.h>
48 #include <dev/ofw/openfirm.h>
49 #include <dev/ofw/ofw_bus.h>
50 #include <dev/ofw/ofw_bus_subr.h>
52 #include <dev/fb/fbreg.h>
53 #include <dev/vt/vt.h>
55 #include <dev/videomode/videomode.h>
56 #include <dev/videomode/edidvar.h>
58 #include <arm/freescale/imx/imx6_src.h>
59 #include <arm/freescale/imx/imx_ccmvar.h>
64 static int have_ipu = 0;
66 #define MODE_HBP(mode) ((mode)->htotal - (mode)->hsync_end)
67 #define MODE_HFP(mode) ((mode)->hsync_start - (mode)->hdisplay)
68 #define MODE_HSW(mode) ((mode)->hsync_end - (mode)->hsync_start)
69 #define MODE_VBP(mode) ((mode)->vtotal - (mode)->vsync_end)
70 #define MODE_VFP(mode) ((mode)->vsync_start - (mode)->vdisplay)
71 #define MODE_VSW(mode) ((mode)->vsync_end - (mode)->vsync_start)
74 #define MODE_PIXEL_CLOCK_INVERT 1
76 #define DMA_CHANNEL 23
80 #define IPU_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
81 #define IPU_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
82 #define IPU_LOCK_INIT(_sc) mtx_init(&(_sc)->sc_mtx, \
83 device_get_nameunit(_sc->sc_dev), "ipu", MTX_DEF)
84 #define IPU_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
86 #define IPU_READ4(_sc, reg) bus_read_4((_sc)->sc_mem_res, (reg))
87 #define IPU_WRITE4(_sc, reg, value) \
88 bus_write_4((_sc)->sc_mem_res, (reg), (value))
90 #define CPMEM_BASE 0x300000
91 #define DC_TEMPL_BASE 0x380000
95 #define TEMPLATE_SYNC(v) ((v) << 0)
96 #define TEMPLATE_GLUELOGIC(v) ((v) << 4)
97 #define TEMPLATE_MAPPING(v) ((v) << 15)
98 #define TEMPLATE_WAVEFORM(v) ((v) << 11)
99 #define GLUELOGIC_KEEP_ASSERTED (1 << 3)
100 #define GLUELOGIC_KEEP_NEGATED (1 << 2)
102 #define TEMPLATE_OPCODE(v) ((v) << 4)
103 #define OPCODE_WROD 0x18
104 #define TEMPLATE_STOP (1 << 9)
106 #define IPU_CONF 0x200000
107 #define IPU_CONF_DMFC_EN (1 << 10)
108 #define IPU_CONF_DC_EN (1 << 9)
109 #define IPU_CONF_DI1_EN (1 << 7)
110 #define IPU_CONF_DI0_EN (1 << 6)
111 #define IPU_CONF_DP_EN (1 << 5)
112 #define IPU_DISP_GEN 0x2000C4
113 #define DISP_GEN_DI1_CNTR_RELEASE (1 << 25)
114 #define DISP_GEN_DI0_CNTR_RELEASE (1 << 24)
115 #define DISP_GEN_MCU_MAX_BURST_STOP (1 << 22)
116 #define DISP_GEN_MCU_T_SHIFT 18
117 #define IPU_MEM_RST 0x2000DC
118 #define IPU_MEM_RST_START (1 << 31)
119 #define IPU_MEM_RST_ALL 0x807FFFFF
120 #define IPU_CH_DB_MODE_SEL_0 0x200150
121 #define IPU_CH_DB_MODE_SEL_1 0x200154
122 #define IPU_CUR_BUF_0 0x20023C
123 #define IPU_CUR_BUF_1 0x200240
125 #define IPU_IDMAC_CH_EN_1 0x208004
126 #define IPU_IDMAC_CH_EN_2 0x208008
127 #define IPU_IDMAC_CH_PRI_1 0x208014
128 #define IPU_IDMAC_CH_PRI_2 0x208018
130 #define IPU_DI0_GENERAL 0x240000
131 #define DI_CLOCK_EXTERNAL (1 << 20)
132 #define DI_GENERAL_POL_CLK (1 << 17)
133 #define DI_GENERAL_POLARITY_3 (1 << 2)
134 #define DI_GENERAL_POLARITY_2 (1 << 1)
135 #define IPU_DI0_BS_CLKGEN0 0x240004
136 #define DI_BS_CLKGEN0(_int, _frac) (((_int) << 4) | (_frac))
137 #define IPU_DI0_BS_CLKGEN1 0x240008
138 #define DI_BS_CLKGEN1_DOWN(_int, _frac) ((((_int) << 1) | (_frac)) << 16)
139 #define IPU_DI0_SW_GEN0_1 0x24000C
140 #define DI_RUN_VALUE_M1(v) ((v) << 19)
141 #define DI_RUN_RESOLUTION(v) ((v) << 16)
142 #define DI_OFFSET_VALUE(v) ((v) << 3)
143 #define IPU_DI0_SW_GEN1_1 0x240030
144 #define DI_CNT_POLARITY_GEN_EN(v) ((v) << 29)
145 #define DI_CNT_AUTO_RELOAD (1 << 28)
146 #define DI_CNT_CLR_SEL(v) ((v) << 25)
147 #define DI_CNT_DOWN(v) ((v) << 16)
148 #define DI_CNT_POLARITY_TRIGGER_SEL(v) ((v) << 12)
149 #define DI_CNT_POLARITY_CLR_SEL(v) ((v) << 9)
150 #define IPU_DI0_SYNC_AS_GEN 0x240054
151 #define SYNC_AS_GEN_VSYNC_SEL(v) ((v) << 13)
152 #define SYNC_AS_GEN_SYNC_START(v) ((v) << 0)
153 #define IPU_DI0_DW_GEN_0 0x240058
154 #define DW_GEN_DI_ACCESS_SIZE(v) ((v) << 24)
155 #define DW_GEN_DI_COMPONENT_SIZE(v) ((v) << 16)
156 #define DW_GEN_DI_SET_MASK 3
157 #define DW_GEN_DI_PIN_15_SET(v) ((v) << 8)
158 #define IPU_DI0_DW_SET3_0 0x240118
159 #define DW_SET_DATA_CNT_DOWN(v) ((v) << 16)
160 #define DW_SET_DATA_CNT_UP(v) ((v) << 0)
161 #define IPU_DI0_STP_REP 0x240148
162 #define IPU_DI0_POL 0x240164
163 #define DI_POL_DRDY_POLARITY_15 (1 << 4)
164 #define IPU_DI0_SCR_CONF 0x240170
166 #define IPU_DI1_GENERAL 0x248000
167 #define IPU_DI1_BS_CLKGEN0 0x248004
168 #define IPU_DI1_BS_CLKGEN1 0x248008
169 #define IPU_DI1_SW_GEN0_1 0x24800C
170 #define IPU_DI1_SW_GEN1_1 0x248030
171 #define IPU_DI1_SYNC_AS_GEN 0x248054
172 #define IPU_DI1_DW_GEN_0 0x248058
173 #define IPU_DI1_POL 0x248164
174 #define IPU_DI1_DW_SET3_0 0x248118
175 #define IPU_DI1_STP_REP 0x248148
176 #define IPU_DI1_SCR_CONF 0x248170
177 #define DMFC_RD_CHAN 0x260000
178 #define DMFC_WR_CHAN 0x260004
179 #define DMFC_WR_CHAN_BURST_SIZE_32 (0 << 6)
180 #define DMFC_WR_CHAN_BURST_SIZE_16 (1 << 6)
181 #define DMFC_WR_CHAN_BURST_SIZE_8 (2 << 6)
182 #define DMFC_WR_CHAN_BURST_SIZE_4 (3 << 6)
183 #define DMFC_WR_CHAN_BURST_SIZE_4 (3 << 6)
184 #define DMFC_WR_CHAN_FIFO_SIZE_128 (2 << 3)
185 #define DMFC_WR_CHAN_DEF 0x260008
186 #define DMFC_WR_CHAN_DEF_WM_CLR_2C(v) ((v) << 29)
187 #define DMFC_WR_CHAN_DEF_WM_CLR_1C(v) ((v) << 21)
188 #define DMFC_WR_CHAN_DEF_WM_CLR_2(v) ((v) << 13)
189 #define DMFC_WR_CHAN_DEF_WM_CLR_1(v) ((v) << 5)
190 #define DMFC_WR_CHAN_DEF_WM_SET_1(v) ((v) << 2)
191 #define DMFC_WR_CHAN_DEF_WM_EN_1 (1 << 1)
192 #define DMFC_DP_CHAN 0x26000C
193 #define DMFC_DP_CHAN_BURST_SIZE_8 2
194 #define DMFC_DP_CHAN_FIFO_SIZE_256 1
195 #define DMFC_DP_CHAN_FIFO_SIZE_128 2
196 #define DMFC_DP_CHAN_BURST_SIZE_5F(v) ((v) << 14)
197 #define DMFC_DP_CHAN_FIFO_SIZE_5F(v) ((v) << 11)
198 #define DMFC_DP_CHAN_ST_ADDR_SIZE_5F(v) ((v) << 8)
199 #define DMFC_DP_CHAN_BURST_SIZE_5B(v) ((v) << 6)
200 #define DMFC_DP_CHAN_FIFO_SIZE_5B(v) ((v) << 3)
201 #define DMFC_DP_CHAN_ST_ADDR_SIZE_5B(v) ((v) << 0)
202 #define DMFC_DP_CHAN_DEF 0x260010
203 #define DMFC_DP_CHAN_DEF_WM_CLR_6F(v) ((v) << 29)
204 #define DMFC_DP_CHAN_DEF_WM_CLR_6B(v) ((v) << 21)
205 #define DMFC_DP_CHAN_DEF_WM_CLR_5F(v) ((v) << 13)
206 #define DMFC_DP_CHAN_DEF_WM_SET_5F(v) ((v) << 10)
207 #define DMFC_DP_CHAN_DEF_WM_EN_5F (1 << 9)
208 #define DMFC_DP_CHAN_DEF_WM_CLR_5B(v) ((v) << 5)
209 #define DMFC_DP_CHAN_DEF_WM_SET_5B(v) ((v) << 2)
210 #define DMFC_DP_CHAN_DEF_WM_EN_5B (1 << 1)
211 #define DMFC_GENERAL_1 0x260014
212 #define DMFC_GENERAL_1_WAIT4EOT_5B (1 << 20)
213 #define DMFC_IC_CTRL 0x26001C
214 #define DMFC_IC_CTRL_DISABLED 0x2
216 #define DC_WRITE_CH_CONF_1 0x0025801C
217 #define WRITE_CH_CONF_PROG_CHAN_TYP_MASK (7 << 5)
218 #define WRITE_CH_CONF_PROG_CHAN_NORMAL (4 << 5)
219 #define DC_WRITE_CH_ADDR_1 0x00258020
220 #define DC_WRITE_CH_CONF_5 0x0025805C
221 #define WRITE_CH_CONF_PROG_DISP_ID(v) ((v) << 3)
222 #define WRITE_CH_CONF_PROG_DI_ID(v) ((v) << 2)
223 #define WRITE_CH_CONF_PROG_W_SIZE(v) (v)
224 #define DC_WRITE_CH_ADDR_5 0x00258060
225 #define DC_RL0_CH_5 0x00258064
226 #define DC_GEN 0x002580D4
227 #define DC_GEN_SYNC_PRIORITY (1 << 7)
228 #define DC_GEN_ASYNC (0 << 1)
229 #define DC_GEN_SYNC (2 << 1)
230 #define DC_DISP_CONF2(di) (0x002580E8 + (di) * 4)
231 #define DC_MAP_CONF_0 0x00258108
232 #define DC_MAP_CONF_15 0x00258144
233 #define DC_MAP_CONF_VAL(map) (DC_MAP_CONF_15 + ((map) / 2) * sizeof(uint32_t))
234 #define MAP_CONF_VAL_MASK 0xffff
235 #define DC_MAP_CONF_PTR(ptr) (DC_MAP_CONF_0 + ((ptr) / 2) * sizeof(uint32_t))
236 #define MAP_CONF_PTR_MASK 0x1f
238 #define DI_COUNTER_INT_HSYNC 1
239 #define DI_COUNTER_HSYNC 2
240 #define DI_COUNTER_VSYNC 3
241 #define DI_COUNTER_AD_0 4
242 #define DI_COUNTER_AD_1 5
244 #define DI_SYNC_NONE 0
245 #define DI_SYNC_CLK 1
246 #define DI_SYNC_COUNTER(c) ((c) + 1)
248 struct ipu_cpmem_word {
253 struct ipu_cpmem_ch_param {
254 struct ipu_cpmem_word word[2];
257 #define CH_PARAM_RESET(param) memset(param, 0, sizeof(*param))
258 #define IPU_READ_CH_PARAM(_sc, ch, param) bus_read_region_4( \
259 (_sc)->sc_mem_res, CPMEM_BASE + ch * (sizeof(*param)),\
260 (uint32_t*)param, sizeof(*param) / 4)
261 #define IPU_WRITE_CH_PARAM(_sc, ch, param) bus_write_region_4( \
262 (_sc)->sc_mem_res, CPMEM_BASE + ch * (sizeof(*param)),\
263 (uint32_t*)param, sizeof(*param) / 4)
265 #define CH_PARAM_SET_FW(param, v) ipu_ch_param_set_value((param), \
267 #define CH_PARAM_SET_FH(param, v) ipu_ch_param_set_value((param), \
269 #define CH_PARAM_SET_SLY(param, v) ipu_ch_param_set_value((param), \
271 #define CH_PARAM_SET_EBA0(param, v) ipu_ch_param_set_value((param), \
273 #define CH_PARAM_SET_EBA1(param, v) ipu_ch_param_set_value((param), \
275 #define CH_PARAM_SET_BPP(param, v) ipu_ch_param_set_value((param), \
277 #define CH_PARAM_SET_PFS(param, v) ipu_ch_param_set_value((param), \
279 #define CH_PARAM_SET_NPB(param, v) ipu_ch_param_set_value((param), \
281 #define CH_PARAM_SET_UBO(param, v) ipu_ch_param_set_value((param), \
283 #define CH_PARAM_SET_VBO(param, v) ipu_ch_param_set_value((param), \
286 #define CH_PARAM_SET_RED_WIDTH(param, v) ipu_ch_param_set_value((param), \
288 #define CH_PARAM_SET_RED_OFFSET(param, v) ipu_ch_param_set_value((param), \
291 #define CH_PARAM_SET_GREEN_WIDTH(param, v) ipu_ch_param_set_value((param), \
293 #define CH_PARAM_SET_GREEN_OFFSET(param, v) ipu_ch_param_set_value((param), \
296 #define CH_PARAM_SET_BLUE_WIDTH(param, v) ipu_ch_param_set_value((param), \
298 #define CH_PARAM_SET_BLUE_OFFSET(param, v) ipu_ch_param_set_value((param), \
301 #define CH_PARAM_SET_ALPHA_WIDTH(param, v) ipu_ch_param_set_value((param), \
303 #define CH_PARAM_SET_ALPHA_OFFSET(param, v) ipu_ch_param_set_value((param), \
306 #define CH_PARAM_GET_FW(param) ipu_ch_param_get_value((param), \
308 #define CH_PARAM_GET_FH(param) ipu_ch_param_get_value((param), \
310 #define CH_PARAM_GET_SLY(param) ipu_ch_param_get_value((param), \
312 #define CH_PARAM_GET_EBA0(param) ipu_ch_param_get_value((param), \
314 #define CH_PARAM_GET_EBA1(param) ipu_ch_param_get_value((param), \
316 #define CH_PARAM_GET_BPP(param) ipu_ch_param_get_value((param), \
318 #define CH_PARAM_GET_PFS(param) ipu_ch_param_get_value((param), \
320 #define CH_PARAM_GET_NPB(param) ipu_ch_param_get_value((param), \
322 #define CH_PARAM_GET_UBO(param) ipu_ch_param_get_value((param), \
324 #define CH_PARAM_GET_VBO(param) ipu_ch_param_get_value((param), \
327 #define CH_PARAM_GET_RED_WIDTH(param) ipu_ch_param_get_value((param), \
329 #define CH_PARAM_GET_RED_OFFSET(param) ipu_ch_param_get_value((param), \
332 #define CH_PARAM_GET_GREEN_WIDTH(param) ipu_ch_param_get_value((param), \
334 #define CH_PARAM_GET_GREEN_OFFSET(param) ipu_ch_param_get_value((param), \
337 #define CH_PARAM_GET_BLUE_WIDTH(param) ipu_ch_param_get_value((param), \
339 #define CH_PARAM_GET_BLUE_OFFSET(param) ipu_ch_param_get_value((param), \
342 #define CH_PARAM_GET_ALPHA_WIDTH(param) ipu_ch_param_get_value((param), \
344 #define CH_PARAM_GET_ALPHA_OFFSET(param) ipu_ch_param_get_value((param), \
347 #define IPU_PIX_FORMAT_BPP_32 0
348 #define IPU_PIX_FORMAT_BPP_24 1
349 #define IPU_PIX_FORMAT_BPP_18 2
350 #define IPU_PIX_FORMAT_BPP_16 3
351 #define IPU_PIX_FORMAT_BPP_12 4
352 #define IPU_PIX_FORMAT_BPP_8 5
353 #define IPU_PIX_FORMAT_BPP_
355 #define IPU_PIX_FORMAT_RGB 7
371 struct resource *sc_mem_res;
373 struct resource *sc_irq_res;
377 struct fb_info sc_fb_info;
378 const struct videomode *sc_mode;
381 bus_dma_tag_t sc_dma_tag;
382 bus_dmamap_t sc_dma_map;
384 bus_addr_t sc_fb_phys;
388 eventhandler_tag sc_hdmi_evh;
392 ipu_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err)
399 addr = (bus_addr_t*)arg;
400 *addr = segs[0].ds_addr;
404 ipu_ch_param_set_value(struct ipu_cpmem_ch_param *param,
405 int word, unsigned int offset, int len, uint32_t value)
407 uint32_t datapos, bitpos, mask;
408 uint32_t data, data2;
410 KASSERT((len <= 32), ("%s: field len is more than 32", __func__));
412 datapos = offset / 32;
413 bitpos = offset % 32;
415 mask = (1 << len) - 1;
416 data = param->word[word].data[datapos];
417 data &= ~(mask << bitpos);
418 data |= (value << bitpos);
419 param->word[word].data[datapos] = data;
421 if ((bitpos + len) > 32) {
422 len = bitpos + len - 32;
423 mask = (1UL << len) - 1;
424 data2 = param->word[word].data[datapos + 1];
426 data2 |= (value >> (32 - bitpos));
427 param->word[word].data[datapos + 1] = data2;
433 ipu_ch_param_get_value(struct ipu_cpmem_ch_param *param,
434 int word, unsigned int offset, int len)
436 uint32_t datapos, bitpos, mask;
437 uint32_t data, data2;
439 KASSERT((len <= 32), ("%s: field len is more than 32", __func__));
441 datapos = offset / 32;
442 bitpos = offset % 32;
443 mask = (1UL << len) - 1;
444 data = param->word[word].data[datapos];
445 data = data >> bitpos;
447 if ((bitpos + len) > 32) {
448 len = bitpos + len - 32;
449 mask = (1UL << len) - 1;
450 data2 = param->word[word].data[datapos + 1];
452 data |= (data2 << (32 - bitpos));
459 ipu_print_channel(struct ipu_cpmem_ch_param *param)
461 int offset0[] = {0, 10, 19, 32, 44, 45, 46, 68, 90, 94, 95, 113, 114, 117, 119, 120, 121, 122, 123, 124, 125, 138, 150, 151, -1};
462 int offset1[] = {0, 29, 58, 78, 85, 89, 90, 93, 95, 102, 116, 119, 122, 125, 128, 133, 138, 143, 148, 149, 150, -1};
463 printf("WORD0: %08x %08x %08x %08x %08x\n",
464 param->word[0].data[0], param->word[0].data[1],
465 param->word[0].data[2], param->word[0].data[3],
466 param->word[0].data[4]);
467 printf("WORD1: %08x %08x %08x %08x %08x\n",
468 param->word[1].data[0], param->word[1].data[1],
469 param->word[1].data[2], param->word[1].data[3],
470 param->word[1].data[4]);
472 for (int i = 0; offset0[i + 1] != -1; i++) {
473 int len = offset0[i + 1] - offset0[i];
474 printf("W0[%d:%d] = %d\n", offset0[i],
475 offset0[i] + len - 1,
476 ipu_ch_param_get_value(param, 0, offset0[i], len)
480 for (int i = 0; offset1[i + 1] != -1; i++) {
481 int len = offset1[i + 1] - offset1[i];
482 printf("W1[%d:%d] = %d\n", offset1[i],
483 offset1[i] + len - 1,
484 ipu_ch_param_get_value(param, 1, offset1[i], len)
488 printf("FW: %d\n", CH_PARAM_GET_FW(param));
489 printf("FH: %d\n", CH_PARAM_GET_FH(param));
490 printf("SLY: %d\n", CH_PARAM_GET_SLY(param));
491 printf("EBA0: 0x%08x\n", CH_PARAM_GET_EBA0(param));
492 printf("EBA1: 0x%08x\n", CH_PARAM_GET_EBA1(param));
493 printf("BPP: %d\n", CH_PARAM_GET_BPP(param));
494 printf("PFS: %d\n", CH_PARAM_GET_PFS(param));
495 printf("NPB: %d\n", CH_PARAM_GET_NPB(param));
496 printf("UBO: %d\n", CH_PARAM_GET_UBO(param));
497 printf("VBO: %d\n", CH_PARAM_GET_VBO(param));
498 printf("RED: %d bits @%d\n", CH_PARAM_GET_RED_WIDTH(param) + 1,
499 CH_PARAM_GET_RED_OFFSET(param));
500 printf("GREEN: %d bits @%d\n", CH_PARAM_GET_GREEN_WIDTH(param) + 1,
501 CH_PARAM_GET_GREEN_OFFSET(param));
502 printf("BLUE: %d bits @%d\n", CH_PARAM_GET_BLUE_WIDTH(param) + 1,
503 CH_PARAM_GET_BLUE_OFFSET(param));
504 printf("ALPHA: %d bits @%d\n", CH_PARAM_GET_ALPHA_WIDTH(param) + 1,
505 CH_PARAM_GET_ALPHA_OFFSET(param));
510 ipu_di_enable(struct ipu_softc *sc, int di)
514 flag = di ? DISP_GEN_DI1_CNTR_RELEASE : DISP_GEN_DI0_CNTR_RELEASE;
515 reg = IPU_READ4(sc, IPU_DISP_GEN);
517 IPU_WRITE4(sc, IPU_DISP_GEN, reg);
521 ipu_config_wave_gen_0(struct ipu_softc *sc, int di,
522 int wave_gen, int run_value, int run_res,
523 int offset_value, int offset_res)
527 addr = (di ? IPU_DI1_SW_GEN0_1 : IPU_DI0_SW_GEN0_1)
528 + (wave_gen - 1) * sizeof(uint32_t);
529 reg = DI_RUN_VALUE_M1(run_value) |
530 DI_RUN_RESOLUTION(run_res) |
531 DI_OFFSET_VALUE(offset_value) | offset_res;
532 IPU_WRITE4(sc, addr, reg);
536 ipu_config_wave_gen_1(struct ipu_softc *sc, int di, int wave_gen,
537 int repeat_count, int cnt_clr_src,
538 int cnt_polarity_gen_en,
539 int cnt_polarity_clr_src,
540 int cnt_polarity_trigger_src,
541 int cnt_up, int cnt_down)
545 addr = (di ? IPU_DI1_SW_GEN1_1 : IPU_DI0_SW_GEN1_1)
546 + (wave_gen - 1) * sizeof(uint32_t);
547 reg = DI_CNT_POLARITY_GEN_EN(cnt_polarity_gen_en) |
548 DI_CNT_CLR_SEL(cnt_clr_src) |
549 DI_CNT_POLARITY_TRIGGER_SEL(cnt_polarity_trigger_src) |
550 DI_CNT_POLARITY_CLR_SEL(cnt_polarity_clr_src);
551 reg |= DI_CNT_DOWN(cnt_down) | cnt_up;
552 if (repeat_count == 0)
553 reg |= DI_CNT_AUTO_RELOAD;
554 IPU_WRITE4(sc, addr, reg);
556 addr = (di ? IPU_DI1_STP_REP : IPU_DI0_STP_REP)
557 + (wave_gen - 1) / 2 * sizeof(uint32_t);
558 reg = IPU_READ4(sc, addr);
564 reg &= ~(0xffff << 16);
565 reg |= (repeat_count << 16);
567 IPU_WRITE4(sc, addr, reg);
571 ipu_reset_wave_gen(struct ipu_softc *sc, int di,
576 addr = (di ? IPU_DI1_SW_GEN0_1 : IPU_DI0_SW_GEN0_1)
577 + (wave_gen - 1) * sizeof(uint32_t);
578 IPU_WRITE4(sc, addr, 0);
580 addr = (di ? IPU_DI1_SW_GEN1_1 : IPU_DI0_SW_GEN1_1)
581 + (wave_gen - 1) * sizeof(uint32_t);
582 IPU_WRITE4(sc, addr, 0);
584 addr = (di ? IPU_DI1_STP_REP : IPU_DI0_STP_REP)
585 + (wave_gen - 1) / 2 * sizeof(uint32_t);
586 reg = IPU_READ4(sc, addr);
590 reg &= ~(0xffff << 16);
591 IPU_WRITE4(sc, addr, reg);
595 ipu_init_microcode_template(struct ipu_softc *sc, int di, int map)
604 for (i = 0; i < 3; i++) {
606 glue = GLUELOGIC_KEEP_ASSERTED;
608 glue = GLUELOGIC_KEEP_NEGATED;
612 w1 = TEMPLATE_SYNC(5) |
613 TEMPLATE_GLUELOGIC(glue) |
614 TEMPLATE_WAVEFORM(1) | /* wave unit 0 */
615 TEMPLATE_MAPPING(map + 1);
616 /* operand is zero */
618 /* Write data to DI and Hold data in register */
619 w2 = TEMPLATE_OPCODE(OPCODE_WROD) |
622 addr = DC_TEMPL_BASE + (word + i) * 2 * sizeof(uint32_t);
623 IPU_WRITE4(sc, addr, w1);
624 IPU_WRITE4(sc, addr + sizeof(uint32_t), w2);
629 ipu_calc_divisor(uint32_t reference, uint32_t freq)
632 uint32_t delta, min_delta;
637 for (i = 1; i < 255; i++) {
638 delta = abs(reference/i - freq);
639 if (delta < min_delta) {
649 ipu_config_timing(struct ipu_softc *sc, int di)
652 uint32_t di_scr_conf;
653 uint32_t gen_offset, gen;
654 uint32_t as_gen_offset, as_gen;
655 uint32_t dw_gen_offset, dw_gen;
656 uint32_t dw_set_offset, dw_set;
657 uint32_t bs_clkgen_offset;
661 freq = sc->sc_mode->dot_clock * 1000;
663 div = ipu_calc_divisor(imx_ccm_ipu_hz(), freq);
666 bs_clkgen_offset = di ? IPU_DI1_BS_CLKGEN0 : IPU_DI0_BS_CLKGEN0;
667 IPU_WRITE4(sc, bs_clkgen_offset, DI_BS_CLKGEN0(div, 0));
668 /* half of the divider */
669 IPU_WRITE4(sc, bs_clkgen_offset + 4, DI_BS_CLKGEN1_DOWN(div / 2, div % 2));
671 /* Setup wave generator */
672 dw_gen_offset = di ? IPU_DI1_DW_GEN_0 : IPU_DI0_DW_GEN_0;
673 dw_gen = DW_GEN_DI_ACCESS_SIZE(div - 1) | DW_GEN_DI_COMPONENT_SIZE(div - 1);
674 dw_gen &= ~DW_GEN_DI_PIN_15_SET(DW_GEN_DI_SET_MASK);
675 dw_gen |= DW_GEN_DI_PIN_15_SET(3); /* set 3*/
676 IPU_WRITE4(sc, dw_gen_offset, dw_gen);
678 dw_set_offset = di ? IPU_DI1_DW_SET3_0 : IPU_DI0_DW_SET3_0;
679 dw_set = DW_SET_DATA_CNT_DOWN(div * 2) | DW_SET_DATA_CNT_UP(0);
680 IPU_WRITE4(sc, dw_set_offset, dw_set);
682 /* DI_COUNTER_INT_HSYNC */
683 ipu_config_wave_gen_0(sc, di, DI_COUNTER_INT_HSYNC,
684 sc->sc_mode->htotal - 1, DI_SYNC_CLK, 0, DI_SYNC_NONE);
685 ipu_config_wave_gen_1(sc, di, DI_COUNTER_INT_HSYNC,
686 0, DI_SYNC_NONE, 0, DI_SYNC_NONE, DI_SYNC_NONE, 0, 0);
688 /* DI_COUNTER_HSYNC */
689 ipu_config_wave_gen_0(sc, di, DI_COUNTER_HSYNC,
690 sc->sc_mode->htotal - 1, DI_SYNC_CLK, 0, DI_SYNC_CLK);
691 ipu_config_wave_gen_1(sc, di, DI_COUNTER_HSYNC,
692 0, DI_SYNC_NONE, 1, DI_SYNC_NONE, DI_SYNC_CLK,
693 0, MODE_HSW(sc->sc_mode) * 2);
695 /* DI_COUNTER_VSYNC */
696 ipu_config_wave_gen_0(sc, di, DI_COUNTER_VSYNC,
697 sc->sc_mode->vtotal - 1, DI_SYNC_COUNTER(DI_COUNTER_INT_HSYNC),
699 ipu_config_wave_gen_1(sc, di, DI_COUNTER_VSYNC,
700 0, DI_SYNC_NONE, 1, DI_SYNC_NONE,
701 DI_SYNC_COUNTER(DI_COUNTER_INT_HSYNC),
702 0, MODE_VSW(sc->sc_mode) * 2);
704 di_scr_conf = di ? IPU_DI1_SCR_CONF : IPU_DI0_SCR_CONF;
705 IPU_WRITE4(sc, di_scr_conf, sc->sc_mode->vtotal - 1);
707 /* TODO: update DI_SCR_CONF */
710 ipu_config_wave_gen_0(sc, di, DI_COUNTER_AD_0,
711 0, DI_SYNC_COUNTER(DI_COUNTER_HSYNC),
712 MODE_VSW(sc->sc_mode) + MODE_VFP(sc->sc_mode), DI_SYNC_COUNTER(DI_COUNTER_HSYNC));
713 ipu_config_wave_gen_1(sc, di, DI_COUNTER_AD_0,
714 sc->sc_mode->vdisplay, DI_SYNC_COUNTER(DI_COUNTER_VSYNC),
715 0, DI_SYNC_NONE, DI_SYNC_NONE, 0, 0);
717 ipu_config_wave_gen_0(sc, di, DI_COUNTER_AD_1,
718 0, DI_SYNC_CLK, MODE_HSW(sc->sc_mode) + MODE_HFP(sc->sc_mode), DI_SYNC_CLK);
719 ipu_config_wave_gen_1(sc, di, DI_COUNTER_AD_1,
720 sc->sc_mode->hdisplay, DI_SYNC_COUNTER(DI_COUNTER_AD_0),
721 0, DI_SYNC_NONE, DI_SYNC_NONE, 0, 0);
723 ipu_reset_wave_gen(sc, di, 6);
724 ipu_reset_wave_gen(sc, di, 7);
725 ipu_reset_wave_gen(sc, di, 8);
726 ipu_reset_wave_gen(sc, di, 9);
728 ipu_init_microcode_template(sc, di, map);
730 gen_offset = di ? IPU_DI1_GENERAL : IPU_DI0_GENERAL;
731 gen = IPU_READ4(sc, gen_offset);
733 if (sc->sc_mode->flags & VID_NHSYNC)
734 gen &= ~DI_GENERAL_POLARITY_2;
735 else /* active high */
736 gen |= DI_GENERAL_POLARITY_2;
738 if (sc->sc_mode->flags & VID_NVSYNC)
739 gen &= ~DI_GENERAL_POLARITY_3;
740 else /* active high */
741 gen |= DI_GENERAL_POLARITY_3;
743 if (MODE_PIXEL_CLOCK_INVERT)
744 gen &= ~DI_GENERAL_POL_CLK;
746 gen |= DI_GENERAL_POL_CLK;
748 /* Use LDB clock to drive pixel clock */
749 gen |= DI_CLOCK_EXTERNAL;
751 IPU_WRITE4(sc, gen_offset, gen);
753 as_gen_offset = di ? IPU_DI1_SYNC_AS_GEN : IPU_DI0_SYNC_AS_GEN;
754 as_gen = SYNC_AS_GEN_VSYNC_SEL(DI_COUNTER_VSYNC - 1) |
755 SYNC_AS_GEN_SYNC_START(2);
756 IPU_WRITE4(sc, as_gen_offset, as_gen);
758 IPU_WRITE4(sc, (di ? IPU_DI1_POL : IPU_DI0_POL), DI_POL_DRDY_POLARITY_15);
760 IPU_WRITE4(sc, DC_DISP_CONF2(di), sc->sc_mode->hdisplay);
764 ipu_dc_enable(struct ipu_softc *sc)
768 /* channel 1 uses DI1 */
769 IPU_WRITE4(sc, DC_WRITE_CH_CONF_1, WRITE_CH_CONF_PROG_DI_ID(1));
771 conf = IPU_READ4(sc, DC_WRITE_CH_CONF_5);
772 conf &= ~WRITE_CH_CONF_PROG_CHAN_TYP_MASK;
773 conf |= WRITE_CH_CONF_PROG_CHAN_NORMAL;
774 IPU_WRITE4(sc, DC_WRITE_CH_CONF_5, conf);
778 ipu_dc_link_event(struct ipu_softc *sc, int event, int addr, int priority)
789 offset = DC_RL0_CH_5 + (event / 2) * sizeof(uint32_t);
791 reg = IPU_READ4(sc, offset);
792 reg &= ~(0xFFFF << shift);
793 reg |= ((addr << 8) | priority) << shift;
794 IPU_WRITE4(sc, offset, reg);
798 ipu_dc_setup_map(struct ipu_softc *sc, int map,
799 int byte, int offset, int mask)
801 uint32_t reg, shift, ptr;
803 ptr = map * 3 + byte;
805 reg = IPU_READ4(sc, DC_MAP_CONF_VAL(ptr));
810 reg &= ~(0xffff << shift);
811 reg |= ((offset << 8) | mask) << shift;
812 IPU_WRITE4(sc, DC_MAP_CONF_VAL(ptr), reg);
814 reg = IPU_READ4(sc, DC_MAP_CONF_PTR(map));
816 shift = 16 + 5 * byte;
819 reg &= ~(MAP_CONF_PTR_MASK << shift);
820 reg |= (ptr) << shift;
821 IPU_WRITE4(sc, DC_MAP_CONF_PTR(map), reg);
825 ipu_dc_reset_map(struct ipu_softc *sc, int map)
829 reg = IPU_READ4(sc, DC_MAP_CONF_VAL(map));
834 reg &= ~(MAP_CONF_VAL_MASK << shift);
835 IPU_WRITE4(sc, DC_MAP_CONF_VAL(map), reg);
839 ipu_dc_init(struct ipu_softc *sc, int di_port)
849 ipu_dc_link_event(sc, DC_EVENT_NL, addr, 3);
850 ipu_dc_link_event(sc, DC_EVENT_EOL, addr + 1, 2);
851 ipu_dc_link_event(sc, DC_EVENT_NEW_DATA, addr + 2, 1);
852 ipu_dc_link_event(sc, DC_EVENT_NF, 0, 0);
853 ipu_dc_link_event(sc, DC_EVENT_NFIELD, 0, 0);
854 ipu_dc_link_event(sc, DC_EVENT_EOF, 0, 0);
855 ipu_dc_link_event(sc, DC_EVENT_EOFIELD, 0, 0);
856 ipu_dc_link_event(sc, DC_EVENT_NEW_CHAN, 0, 0);
857 ipu_dc_link_event(sc, DC_EVENT_NEW_ADDR, 0, 0);
859 conf = WRITE_CH_CONF_PROG_W_SIZE(0x02) |
860 WRITE_CH_CONF_PROG_DISP_ID(DI_PORT) |
861 WRITE_CH_CONF_PROG_DI_ID(DI_PORT);
863 IPU_WRITE4(sc, DC_WRITE_CH_CONF_5, conf);
864 IPU_WRITE4(sc, DC_WRITE_CH_ADDR_5, 0x00000000);
865 IPU_WRITE4(sc, DC_GEN, DC_GEN_SYNC_PRIORITY | DC_GEN_SYNC); /* High priority, sync */
869 ipu_init_buffer(struct ipu_softc *sc)
871 struct ipu_cpmem_ch_param param;
873 uint32_t reg, db_mode_sel, cur_buf;
875 stride = sc->sc_mode->hdisplay * MODE_BPP / 8;
877 /* init channel parameters */
878 CH_PARAM_RESET(¶m);
879 /* XXX: interlaced modes are not supported yet */
880 CH_PARAM_SET_FW(¶m, sc->sc_mode->hdisplay - 1);
881 CH_PARAM_SET_FH(¶m, sc->sc_mode->vdisplay - 1);
882 CH_PARAM_SET_SLY(¶m, stride - 1);
884 CH_PARAM_SET_EBA0(¶m, (sc->sc_fb_phys >> 3));
885 CH_PARAM_SET_EBA1(¶m, (sc->sc_fb_phys >> 3));
887 CH_PARAM_SET_BPP(¶m, IPU_PIX_FORMAT_BPP_16);
888 CH_PARAM_SET_PFS(¶m, IPU_PIX_FORMAT_RGB);
889 /* 16 pixels per burst access */
890 CH_PARAM_SET_NPB(¶m, 16 - 1);
892 CH_PARAM_SET_RED_OFFSET(¶m, 0);
893 CH_PARAM_SET_RED_WIDTH(¶m, 5 - 1);
894 CH_PARAM_SET_GREEN_OFFSET(¶m, 5);
895 CH_PARAM_SET_GREEN_WIDTH(¶m, 6 - 1);
896 CH_PARAM_SET_BLUE_OFFSET(¶m, 11);
897 CH_PARAM_SET_BLUE_WIDTH(¶m, 5 - 1);
898 CH_PARAM_SET_ALPHA_OFFSET(¶m, 16);
899 CH_PARAM_SET_ALPHA_WIDTH(¶m, 8 - 1);
901 CH_PARAM_SET_UBO(¶m, 0);
902 CH_PARAM_SET_VBO(¶m, 0);
904 IPU_WRITE_CH_PARAM(sc, DMA_CHANNEL, ¶m);
906 ipu_print_channel(¶m);
910 IPU_WRITE4(sc, DMFC_IC_CTRL, DMFC_IC_CTRL_DISABLED);
911 /* High resolution DP */
912 IPU_WRITE4(sc, DMFC_WR_CHAN, DMFC_WR_CHAN_BURST_SIZE_8 |
913 DMFC_WR_CHAN_FIFO_SIZE_128);
914 IPU_WRITE4(sc, DMFC_WR_CHAN_DEF, DMFC_WR_CHAN_DEF_WM_CLR_2C(1) |
915 DMFC_WR_CHAN_DEF_WM_CLR_1C(1) |
916 DMFC_WR_CHAN_DEF_WM_CLR_2(1) |
917 DMFC_WR_CHAN_DEF_WM_CLR_1(7) |
918 DMFC_WR_CHAN_DEF_WM_SET_1(5) |
919 DMFC_WR_CHAN_DEF_WM_EN_1);
921 IPU_WRITE4(sc, DMFC_DP_CHAN,
922 DMFC_DP_CHAN_BURST_SIZE_5F(DMFC_DP_CHAN_BURST_SIZE_8) |
923 DMFC_DP_CHAN_FIFO_SIZE_5F(DMFC_DP_CHAN_FIFO_SIZE_128) |
924 DMFC_DP_CHAN_ST_ADDR_SIZE_5F(6) /* segment 6 */ |
925 DMFC_DP_CHAN_BURST_SIZE_5B(DMFC_DP_CHAN_BURST_SIZE_8) |
926 DMFC_DP_CHAN_FIFO_SIZE_5B(DMFC_DP_CHAN_FIFO_SIZE_256) |
927 DMFC_DP_CHAN_ST_ADDR_SIZE_5B(2) /* segment 2 */);
929 IPU_WRITE4(sc, DMFC_DP_CHAN_DEF, DMFC_DP_CHAN_DEF_WM_CLR_6F(1) |
930 DMFC_DP_CHAN_DEF_WM_CLR_6B(1) |
931 DMFC_DP_CHAN_DEF_WM_CLR_5F(7) |
932 DMFC_DP_CHAN_DEF_WM_SET_5F(5) |
933 DMFC_DP_CHAN_DEF_WM_EN_5F |
934 DMFC_DP_CHAN_DEF_WM_CLR_5B(7) |
935 DMFC_DP_CHAN_DEF_WM_SET_5B(5) |
936 DMFC_DP_CHAN_DEF_WM_EN_5B);
938 reg = IPU_READ4(sc, DMFC_GENERAL_1);
939 reg &= ~(DMFC_GENERAL_1_WAIT4EOT_5B);
940 IPU_WRITE4(sc, DMFC_GENERAL_1, reg);
942 /* XXX: set priority? */
944 /* Set single buffer mode */
945 if (DMA_CHANNEL < 32) {
946 db_mode_sel = IPU_CH_DB_MODE_SEL_0;
947 cur_buf = IPU_CUR_BUF_0;
949 db_mode_sel = IPU_CH_DB_MODE_SEL_1;
950 cur_buf = IPU_CUR_BUF_1;
953 reg = IPU_READ4(sc, db_mode_sel);
954 reg |= (1UL << (DMA_CHANNEL & 0x1f));
955 IPU_WRITE4(sc, db_mode_sel, reg);
957 IPU_WRITE4(sc, cur_buf, (1UL << (DMA_CHANNEL & 0x1f)));
961 ipu_init(struct ipu_softc *sc)
967 IPU_WRITE4(sc, IPU_CONF, DI_PORT ? IPU_CONF_DI1_EN : IPU_CONF_DI0_EN);
969 IPU_WRITE4(sc, IPU_MEM_RST, IPU_MEM_RST_ALL);
972 if (!(IPU_READ4(sc, IPU_MEM_RST) & IPU_MEM_RST_START))
979 device_printf(sc->sc_dev, "timeout while resetting memory\n");
983 ipu_dc_reset_map(sc, 0);
984 ipu_dc_setup_map(sc, 0, 0, 7, 0xff);
985 ipu_dc_setup_map(sc, 0, 1, 15, 0xff);
986 ipu_dc_setup_map(sc, 0, 2, 23, 0xff);
988 dma_size = round_page(sc->sc_mode->hdisplay * sc->sc_mode->vdisplay * (MODE_BPP / 8));
991 * Now allocate framebuffer memory
993 err = bus_dma_tag_create(
994 bus_get_dma_tag(sc->sc_dev),
995 4, 0, /* alignment, boundary */
996 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
997 BUS_SPACE_MAXADDR, /* highaddr */
998 NULL, NULL, /* filter, filterarg */
999 dma_size, 1, /* maxsize, nsegments */
1000 dma_size, 0, /* maxsegsize, flags */
1001 NULL, NULL, /* lockfunc, lockarg */
1006 err = bus_dmamem_alloc(sc->sc_dma_tag, (void **)&sc->sc_fb_base,
1007 BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc->sc_dma_map);
1010 device_printf(sc->sc_dev, "cannot allocate framebuffer\n");
1014 err = bus_dmamap_load(sc->sc_dma_tag, sc->sc_dma_map, sc->sc_fb_base,
1015 dma_size, ipu_dmamap_cb, &sc->sc_fb_phys, BUS_DMA_NOWAIT);
1018 device_printf(sc->sc_dev, "cannot load DMA map\n");
1022 /* Calculate actual FB Size */
1023 sc->sc_fb_size = sc->sc_mode->hdisplay * sc->sc_mode->vdisplay * MODE_BPP / 8;
1025 ipu_dc_init(sc, DI_PORT);
1026 reg = IPU_READ4(sc, IPU_CONF);
1027 reg |= IPU_CONF_DMFC_EN | IPU_CONF_DC_EN | IPU_CONF_DP_EN;
1028 IPU_WRITE4(sc, IPU_CONF, reg);
1030 ipu_config_timing(sc, DI_PORT);
1031 ipu_init_buffer(sc);
1032 ipu_di_enable(sc, DI_PORT);
1034 /* Enable DMA channel */
1035 off = (DMA_CHANNEL > 31) ? IPU_IDMAC_CH_EN_2 : IPU_IDMAC_CH_EN_1;
1036 reg = IPU_READ4(sc, off);
1037 reg |= (1 << (DMA_CHANNEL & 0x1f));
1038 IPU_WRITE4(sc, off, reg);
1042 sc->sc_fb_info.fb_name = device_get_nameunit(sc->sc_dev);
1043 sc->sc_fb_info.fb_vbase = (intptr_t)sc->sc_fb_base;
1044 sc->sc_fb_info.fb_pbase = sc->sc_fb_phys;
1045 sc->sc_fb_info.fb_size = sc->sc_fb_size;
1046 sc->sc_fb_info.fb_bpp = sc->sc_fb_info.fb_depth = MODE_BPP;
1047 sc->sc_fb_info.fb_stride = sc->sc_mode->hdisplay * MODE_BPP / 8;
1048 sc->sc_fb_info.fb_width = sc->sc_mode->hdisplay;
1049 sc->sc_fb_info.fb_height = sc->sc_mode->vdisplay;
1051 device_t fbd = device_add_child(sc->sc_dev, "fbd",
1052 device_get_unit(sc->sc_dev));
1054 device_printf(sc->sc_dev, "Failed to add fbd child\n");
1057 if (device_probe_and_attach(fbd) != 0) {
1058 device_printf(sc->sc_dev, "Failed to attach fbd device\n");
1069 ipu_mode_is_valid(const struct videomode *mode)
1071 if ((mode->dot_clock < 13500) || (mode->dot_clock > 216000))
1077 static const struct videomode *
1078 ipu_pick_mode(struct edid_info *ei)
1080 const struct videomode *videomode;
1081 const struct videomode *m;
1089 if (ei->edid_preferred_mode != NULL) {
1090 if (ipu_mode_is_valid(ei->edid_preferred_mode))
1091 videomode = ei->edid_preferred_mode;
1094 if (videomode == NULL) {
1097 sort_modes(ei->edid_modes,
1098 &ei->edid_preferred_mode,
1100 for (n = 0; n < ei->edid_nmodes; n++)
1101 if (ipu_mode_is_valid(&m[n])) {
1111 ipu_hdmi_event(void *arg, device_t hdmi_dev)
1113 struct ipu_softc *sc;
1116 struct edid_info ei;
1117 const struct videomode *videomode;
1123 if (HDMI_GET_EDID(hdmi_dev, &edid, &edid_len) != 0) {
1124 device_printf(sc->sc_dev, "failed to get EDID info from HDMI framer\n");
1129 if ( edid && (edid_parse(edid, &ei) == 0)) {
1132 videomode = ipu_pick_mode(&ei);
1134 device_printf(sc->sc_dev, "failed to parse EDID\n");
1136 /* Use standard VGA as fallback */
1137 if (videomode == NULL)
1138 videomode = pick_mode_by_ref(640, 480, 60);
1140 if (videomode == NULL) {
1141 device_printf(sc->sc_dev, "failed to find usable videomode\n");
1145 sc->sc_mode = videomode;
1148 device_printf(sc->sc_dev, "detected videomode: %dx%d\n",
1149 videomode->hdisplay, videomode->vdisplay);
1153 HDMI_SET_VIDEOMODE(hdmi_dev, sc->sc_mode);
1157 ipu_probe(device_t dev)
1163 if (!ofw_bus_status_okay(dev))
1166 if (!ofw_bus_is_compatible(dev, "fsl,imx6q-ipu"))
1169 device_set_desc(dev, "Freescale IPU");
1171 return (BUS_PROBE_DEFAULT);
1175 ipu_attach(device_t dev)
1177 struct ipu_softc *sc;
1182 sc = device_get_softc(dev);
1186 sc->sc_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
1187 &sc->sc_mem_rid, RF_ACTIVE);
1188 if (!sc->sc_mem_res) {
1189 device_printf(dev, "cannot allocate memory window\n");
1194 sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
1195 &sc->sc_irq_rid, RF_ACTIVE);
1196 if (!sc->sc_irq_res) {
1197 bus_release_resource(dev, SYS_RES_MEMORY,
1198 sc->sc_mem_rid, sc->sc_mem_res);
1199 device_printf(dev, "cannot allocate interrupt\n");
1204 if (imx_ccm_pll_video_enable() != 0) {
1205 bus_release_resource(dev, SYS_RES_MEMORY,
1206 sc->sc_mem_rid, sc->sc_mem_res);
1207 bus_release_resource(dev, SYS_RES_IRQ,
1208 sc->sc_irq_rid, sc->sc_irq_res);
1209 device_printf(dev, "failed to set up video PLL\n");
1213 imx_ccm_ipu_enable(1);
1215 if (src_reset_ipu() != 0) {
1216 bus_release_resource(dev, SYS_RES_MEMORY,
1217 sc->sc_mem_rid, sc->sc_mem_res);
1218 bus_release_resource(dev, SYS_RES_IRQ,
1219 sc->sc_irq_rid, sc->sc_irq_res);
1220 device_printf(dev, "failed to reset IPU\n");
1226 sc->sc_hdmi_evh = EVENTHANDLER_REGISTER(hdmi_event,
1227 ipu_hdmi_event, sc, 0);
1235 ipu_detach(device_t dev)
1237 /* Do not let unload driver */
1241 static struct fb_info *
1242 ipu_fb_getinfo(device_t dev)
1244 struct ipu_softc *sc;
1246 sc = device_get_softc(dev);
1248 return (&sc->sc_fb_info);
1251 static device_method_t ipu_methods[] = {
1252 DEVMETHOD(device_probe, ipu_probe),
1253 DEVMETHOD(device_attach, ipu_attach),
1254 DEVMETHOD(device_detach, ipu_detach),
1256 /* Framebuffer service methods */
1257 DEVMETHOD(fb_getinfo, ipu_fb_getinfo),
1262 static driver_t ipu_driver = {
1265 sizeof(struct ipu_softc),
1268 static devclass_t ipu_devclass;
1270 DRIVER_MODULE(ipu, simplebus, ipu_driver, ipu_devclass, 0, 0);
1271 MODULE_VERSION(ipu, 1);
1272 MODULE_DEPEND(ipu, simplebus, 1, 1, 1);