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-rw-r--r--drivers/dma/Kconfig2
-rw-r--r--drivers/dma/shdma.c8
-rw-r--r--drivers/i2c/busses/Kconfig2
-rw-r--r--drivers/i2c/busses/i2c-sh_mobile.c121
-rw-r--r--drivers/net/irda/sh_irda.c6
-rw-r--r--drivers/serial/sh-sci.c42
-rw-r--r--drivers/serial/sh-sci.h29
-rw-r--r--drivers/sh/Makefile5
-rw-r--r--drivers/sh/clk-cpg.c58
-rw-r--r--drivers/video/Kconfig15
-rw-r--r--drivers/video/Makefile2
-rw-r--r--drivers/video/sh_mipi_dsi.c505
-rw-r--r--drivers/video/sh_mobile_hdmi.c1028
-rw-r--r--drivers/video/sh_mobile_lcdcfb.c196
14 files changed, 1902 insertions, 117 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 9e01e96fee94..8344375dc015 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -128,7 +128,7 @@ config TXX9_DMAC
128 128
129config SH_DMAE 129config SH_DMAE
130 tristate "Renesas SuperH DMAC support" 130 tristate "Renesas SuperH DMAC support"
131 depends on SUPERH && SH_DMA 131 depends on (SUPERH && SH_DMA) || (ARM && ARCH_SHMOBILE)
132 depends on !SH_DMA_API 132 depends on !SH_DMA_API
133 select DMA_ENGINE 133 select DMA_ENGINE
134 help 134 help
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index a2a519fd2a24..fb64cf36ba61 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -816,7 +816,7 @@ static irqreturn_t sh_dmae_interrupt(int irq, void *data)
816 return ret; 816 return ret;
817} 817}
818 818
819#if defined(CONFIG_CPU_SH4) 819#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE)
820static irqreturn_t sh_dmae_err(int irq, void *data) 820static irqreturn_t sh_dmae_err(int irq, void *data)
821{ 821{
822 struct sh_dmae_device *shdev = (struct sh_dmae_device *)data; 822 struct sh_dmae_device *shdev = (struct sh_dmae_device *)data;
@@ -1057,7 +1057,7 @@ static int __init sh_dmae_probe(struct platform_device *pdev)
1057 /* Default transfer size of 32 bytes requires 32-byte alignment */ 1057 /* Default transfer size of 32 bytes requires 32-byte alignment */
1058 shdev->common.copy_align = LOG2_DEFAULT_XFER_SIZE; 1058 shdev->common.copy_align = LOG2_DEFAULT_XFER_SIZE;
1059 1059
1060#if defined(CONFIG_CPU_SH4) 1060#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE)
1061 chanirq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 1); 1061 chanirq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
1062 1062
1063 if (!chanirq_res) 1063 if (!chanirq_res)
@@ -1082,7 +1082,7 @@ static int __init sh_dmae_probe(struct platform_device *pdev)
1082 1082
1083#else 1083#else
1084 chanirq_res = errirq_res; 1084 chanirq_res = errirq_res;
1085#endif /* CONFIG_CPU_SH4 */ 1085#endif /* CONFIG_CPU_SH4 || CONFIG_ARCH_SHMOBILE */
1086 1086
1087 if (chanirq_res->start == chanirq_res->end && 1087 if (chanirq_res->start == chanirq_res->end &&
1088 !platform_get_resource(pdev, IORESOURCE_IRQ, 1)) { 1088 !platform_get_resource(pdev, IORESOURCE_IRQ, 1)) {
@@ -1129,7 +1129,7 @@ static int __init sh_dmae_probe(struct platform_device *pdev)
1129chan_probe_err: 1129chan_probe_err:
1130 sh_dmae_chan_remove(shdev); 1130 sh_dmae_chan_remove(shdev);
1131eirqres: 1131eirqres:
1132#if defined(CONFIG_CPU_SH4) 1132#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE)
1133 free_irq(errirq, shdev); 1133 free_irq(errirq, shdev);
1134eirq_err: 1134eirq_err:
1135#endif 1135#endif
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index bceafbfa7268..29e01f6238a7 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -549,7 +549,7 @@ config I2C_SH7760
549 549
550config I2C_SH_MOBILE 550config I2C_SH_MOBILE
551 tristate "SuperH Mobile I2C Controller" 551 tristate "SuperH Mobile I2C Controller"
552 depends on SUPERH 552 depends on SUPERH || ARCH_SHMOBILE
553 help 553 help
554 If you say yes to this option, support will be included for the 554 If you say yes to this option, support will be included for the
555 built-in I2C interface on the Renesas SH-Mobile processor. 555 built-in I2C interface on the Renesas SH-Mobile processor.
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index ffb405d7c6f2..598c49acaeb5 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -119,8 +119,10 @@ struct sh_mobile_i2c_data {
119 struct i2c_adapter adap; 119 struct i2c_adapter adap;
120 120
121 struct clk *clk; 121 struct clk *clk;
122 u_int8_t icic;
122 u_int8_t iccl; 123 u_int8_t iccl;
123 u_int8_t icch; 124 u_int8_t icch;
125 u_int8_t flags;
124 126
125 spinlock_t lock; 127 spinlock_t lock;
126 wait_queue_head_t wait; 128 wait_queue_head_t wait;
@@ -129,15 +131,17 @@ struct sh_mobile_i2c_data {
129 int sr; 131 int sr;
130}; 132};
131 133
134#define IIC_FLAG_HAS_ICIC67 (1 << 0)
135
132#define NORMAL_SPEED 100000 /* FAST_SPEED 400000 */ 136#define NORMAL_SPEED 100000 /* FAST_SPEED 400000 */
133 137
134/* Register offsets */ 138/* Register offsets */
135#define ICDR(pd) (pd->reg + 0x00) 139#define ICDR 0x00
136#define ICCR(pd) (pd->reg + 0x04) 140#define ICCR 0x04
137#define ICSR(pd) (pd->reg + 0x08) 141#define ICSR 0x08
138#define ICIC(pd) (pd->reg + 0x0c) 142#define ICIC 0x0c
139#define ICCL(pd) (pd->reg + 0x10) 143#define ICCL 0x10
140#define ICCH(pd) (pd->reg + 0x14) 144#define ICCH 0x14
141 145
142/* Register bits */ 146/* Register bits */
143#define ICCR_ICE 0x80 147#define ICCR_ICE 0x80
@@ -155,11 +159,32 @@ struct sh_mobile_i2c_data {
155#define ICSR_WAIT 0x02 159#define ICSR_WAIT 0x02
156#define ICSR_DTE 0x01 160#define ICSR_DTE 0x01
157 161
162#define ICIC_ICCLB8 0x80
163#define ICIC_ICCHB8 0x40
158#define ICIC_ALE 0x08 164#define ICIC_ALE 0x08
159#define ICIC_TACKE 0x04 165#define ICIC_TACKE 0x04
160#define ICIC_WAITE 0x02 166#define ICIC_WAITE 0x02
161#define ICIC_DTEE 0x01 167#define ICIC_DTEE 0x01
162 168
169static void iic_wr(struct sh_mobile_i2c_data *pd, int offs, unsigned char data)
170{
171 if (offs == ICIC)
172 data |= pd->icic;
173
174 iowrite8(data, pd->reg + offs);
175}
176
177static unsigned char iic_rd(struct sh_mobile_i2c_data *pd, int offs)
178{
179 return ioread8(pd->reg + offs);
180}
181
182static void iic_set_clr(struct sh_mobile_i2c_data *pd, int offs,
183 unsigned char set, unsigned char clr)
184{
185 iic_wr(pd, offs, (iic_rd(pd, offs) | set) & ~clr);
186}
187
163static void activate_ch(struct sh_mobile_i2c_data *pd) 188static void activate_ch(struct sh_mobile_i2c_data *pd)
164{ 189{
165 unsigned long i2c_clk; 190 unsigned long i2c_clk;
@@ -187,6 +212,14 @@ static void activate_ch(struct sh_mobile_i2c_data *pd)
187 else 212 else
188 pd->iccl = (u_int8_t)(num/denom); 213 pd->iccl = (u_int8_t)(num/denom);
189 214
215 /* one more bit of ICCL in ICIC */
216 if (pd->flags & IIC_FLAG_HAS_ICIC67) {
217 if ((num/denom) > 0xff)
218 pd->icic |= ICIC_ICCLB8;
219 else
220 pd->icic &= ~ICIC_ICCLB8;
221 }
222
190 /* Calculate the value for icch. From the data sheet: 223 /* Calculate the value for icch. From the data sheet:
191 icch = (p clock / transfer rate) * (H / (L + H)) */ 224 icch = (p clock / transfer rate) * (H / (L + H)) */
192 num = i2c_clk * 4; 225 num = i2c_clk * 4;
@@ -196,25 +229,33 @@ static void activate_ch(struct sh_mobile_i2c_data *pd)
196 else 229 else
197 pd->icch = (u_int8_t)(num/denom); 230 pd->icch = (u_int8_t)(num/denom);
198 231
232 /* one more bit of ICCH in ICIC */
233 if (pd->flags & IIC_FLAG_HAS_ICIC67) {
234 if ((num/denom) > 0xff)
235 pd->icic |= ICIC_ICCHB8;
236 else
237 pd->icic &= ~ICIC_ICCHB8;
238 }
239
199 /* Enable channel and configure rx ack */ 240 /* Enable channel and configure rx ack */
200 iowrite8(ioread8(ICCR(pd)) | ICCR_ICE, ICCR(pd)); 241 iic_set_clr(pd, ICCR, ICCR_ICE, 0);
201 242
202 /* Mask all interrupts */ 243 /* Mask all interrupts */
203 iowrite8(0, ICIC(pd)); 244 iic_wr(pd, ICIC, 0);
204 245
205 /* Set the clock */ 246 /* Set the clock */
206 iowrite8(pd->iccl, ICCL(pd)); 247 iic_wr(pd, ICCL, pd->iccl);
207 iowrite8(pd->icch, ICCH(pd)); 248 iic_wr(pd, ICCH, pd->icch);
208} 249}
209 250
210static void deactivate_ch(struct sh_mobile_i2c_data *pd) 251static void deactivate_ch(struct sh_mobile_i2c_data *pd)
211{ 252{
212 /* Clear/disable interrupts */ 253 /* Clear/disable interrupts */
213 iowrite8(0, ICSR(pd)); 254 iic_wr(pd, ICSR, 0);
214 iowrite8(0, ICIC(pd)); 255 iic_wr(pd, ICIC, 0);
215 256
216 /* Disable channel */ 257 /* Disable channel */
217 iowrite8(ioread8(ICCR(pd)) & ~ICCR_ICE, ICCR(pd)); 258 iic_set_clr(pd, ICCR, 0, ICCR_ICE);
218 259
219 /* Disable clock and mark device as idle */ 260 /* Disable clock and mark device as idle */
220 clk_disable(pd->clk); 261 clk_disable(pd->clk);
@@ -233,35 +274,35 @@ static unsigned char i2c_op(struct sh_mobile_i2c_data *pd,
233 274
234 switch (op) { 275 switch (op) {
235 case OP_START: /* issue start and trigger DTE interrupt */ 276 case OP_START: /* issue start and trigger DTE interrupt */
236 iowrite8(0x94, ICCR(pd)); 277 iic_wr(pd, ICCR, 0x94);
237 break; 278 break;
238 case OP_TX_FIRST: /* disable DTE interrupt and write data */ 279 case OP_TX_FIRST: /* disable DTE interrupt and write data */
239 iowrite8(ICIC_WAITE | ICIC_ALE | ICIC_TACKE, ICIC(pd)); 280 iic_wr(pd, ICIC, ICIC_WAITE | ICIC_ALE | ICIC_TACKE);
240 iowrite8(data, ICDR(pd)); 281 iic_wr(pd, ICDR, data);
241 break; 282 break;
242 case OP_TX: /* write data */ 283 case OP_TX: /* write data */
243 iowrite8(data, ICDR(pd)); 284 iic_wr(pd, ICDR, data);
244 break; 285 break;
245 case OP_TX_STOP: /* write data and issue a stop afterwards */ 286 case OP_TX_STOP: /* write data and issue a stop afterwards */
246 iowrite8(data, ICDR(pd)); 287 iic_wr(pd, ICDR, data);
247 iowrite8(0x90, ICCR(pd)); 288 iic_wr(pd, ICCR, 0x90);
248 break; 289 break;
249 case OP_TX_TO_RX: /* select read mode */ 290 case OP_TX_TO_RX: /* select read mode */
250 iowrite8(0x81, ICCR(pd)); 291 iic_wr(pd, ICCR, 0x81);
251 break; 292 break;
252 case OP_RX: /* just read data */ 293 case OP_RX: /* just read data */
253 ret = ioread8(ICDR(pd)); 294 ret = iic_rd(pd, ICDR);
254 break; 295 break;
255 case OP_RX_STOP: /* enable DTE interrupt, issue stop */ 296 case OP_RX_STOP: /* enable DTE interrupt, issue stop */
256 iowrite8(ICIC_DTEE | ICIC_WAITE | ICIC_ALE | ICIC_TACKE, 297 iic_wr(pd, ICIC,
257 ICIC(pd)); 298 ICIC_DTEE | ICIC_WAITE | ICIC_ALE | ICIC_TACKE);
258 iowrite8(0xc0, ICCR(pd)); 299 iic_wr(pd, ICCR, 0xc0);
259 break; 300 break;
260 case OP_RX_STOP_DATA: /* enable DTE interrupt, read data, issue stop */ 301 case OP_RX_STOP_DATA: /* enable DTE interrupt, read data, issue stop */
261 iowrite8(ICIC_DTEE | ICIC_WAITE | ICIC_ALE | ICIC_TACKE, 302 iic_wr(pd, ICIC,
262 ICIC(pd)); 303 ICIC_DTEE | ICIC_WAITE | ICIC_ALE | ICIC_TACKE);
263 ret = ioread8(ICDR(pd)); 304 ret = iic_rd(pd, ICDR);
264 iowrite8(0xc0, ICCR(pd)); 305 iic_wr(pd, ICCR, 0xc0);
265 break; 306 break;
266 } 307 }
267 308
@@ -367,7 +408,7 @@ static irqreturn_t sh_mobile_i2c_isr(int irq, void *dev_id)
367 unsigned char sr; 408 unsigned char sr;
368 int wakeup; 409 int wakeup;
369 410
370 sr = ioread8(ICSR(pd)); 411 sr = iic_rd(pd, ICSR);
371 pd->sr |= sr; /* remember state */ 412 pd->sr |= sr; /* remember state */
372 413
373 dev_dbg(pd->dev, "i2c_isr 0x%02x 0x%02x %s %d %d!\n", sr, pd->sr, 414 dev_dbg(pd->dev, "i2c_isr 0x%02x 0x%02x %s %d %d!\n", sr, pd->sr,
@@ -376,7 +417,7 @@ static irqreturn_t sh_mobile_i2c_isr(int irq, void *dev_id)
376 417
377 if (sr & (ICSR_AL | ICSR_TACK)) { 418 if (sr & (ICSR_AL | ICSR_TACK)) {
378 /* don't interrupt transaction - continue to issue stop */ 419 /* don't interrupt transaction - continue to issue stop */
379 iowrite8(sr & ~(ICSR_AL | ICSR_TACK), ICSR(pd)); 420 iic_wr(pd, ICSR, sr & ~(ICSR_AL | ICSR_TACK));
380 wakeup = 0; 421 wakeup = 0;
381 } else if (pd->msg->flags & I2C_M_RD) 422 } else if (pd->msg->flags & I2C_M_RD)
382 wakeup = sh_mobile_i2c_isr_rx(pd); 423 wakeup = sh_mobile_i2c_isr_rx(pd);
@@ -384,7 +425,7 @@ static irqreturn_t sh_mobile_i2c_isr(int irq, void *dev_id)
384 wakeup = sh_mobile_i2c_isr_tx(pd); 425 wakeup = sh_mobile_i2c_isr_tx(pd);
385 426
386 if (sr & ICSR_WAIT) /* TODO: add delay here to support slow acks */ 427 if (sr & ICSR_WAIT) /* TODO: add delay here to support slow acks */
387 iowrite8(sr & ~ICSR_WAIT, ICSR(pd)); 428 iic_wr(pd, ICSR, sr & ~ICSR_WAIT);
388 429
389 if (wakeup) { 430 if (wakeup) {
390 pd->sr |= SW_DONE; 431 pd->sr |= SW_DONE;
@@ -402,21 +443,21 @@ static int start_ch(struct sh_mobile_i2c_data *pd, struct i2c_msg *usr_msg)
402 } 443 }
403 444
404 /* Initialize channel registers */ 445 /* Initialize channel registers */
405 iowrite8(ioread8(ICCR(pd)) & ~ICCR_ICE, ICCR(pd)); 446 iic_set_clr(pd, ICCR, 0, ICCR_ICE);
406 447
407 /* Enable channel and configure rx ack */ 448 /* Enable channel and configure rx ack */
408 iowrite8(ioread8(ICCR(pd)) | ICCR_ICE, ICCR(pd)); 449 iic_set_clr(pd, ICCR, ICCR_ICE, 0);
409 450
410 /* Set the clock */ 451 /* Set the clock */
411 iowrite8(pd->iccl, ICCL(pd)); 452 iic_wr(pd, ICCL, pd->iccl);
412 iowrite8(pd->icch, ICCH(pd)); 453 iic_wr(pd, ICCH, pd->icch);
413 454
414 pd->msg = usr_msg; 455 pd->msg = usr_msg;
415 pd->pos = -1; 456 pd->pos = -1;
416 pd->sr = 0; 457 pd->sr = 0;
417 458
418 /* Enable all interrupts to begin with */ 459 /* Enable all interrupts to begin with */
419 iowrite8(ICIC_WAITE | ICIC_ALE | ICIC_TACKE | ICIC_DTEE, ICIC(pd)); 460 iic_wr(pd, ICIC, ICIC_DTEE | ICIC_WAITE | ICIC_ALE | ICIC_TACKE);
420 return 0; 461 return 0;
421} 462}
422 463
@@ -451,7 +492,7 @@ static int sh_mobile_i2c_xfer(struct i2c_adapter *adapter,
451 492
452 retry_count = 1000; 493 retry_count = 1000;
453again: 494again:
454 val = ioread8(ICSR(pd)); 495 val = iic_rd(pd, ICSR);
455 496
456 dev_dbg(pd->dev, "val 0x%02x pd->sr 0x%02x\n", val, pd->sr); 497 dev_dbg(pd->dev, "val 0x%02x pd->sr 0x%02x\n", val, pd->sr);
457 498
@@ -576,6 +617,12 @@ static int sh_mobile_i2c_probe(struct platform_device *dev)
576 goto err_irq; 617 goto err_irq;
577 } 618 }
578 619
620 /* The IIC blocks on SH-Mobile ARM processors
621 * come with two new bits in ICIC.
622 */
623 if (size > 0x17)
624 pd->flags |= IIC_FLAG_HAS_ICIC67;
625
579 /* Enable Runtime PM for this device. 626 /* Enable Runtime PM for this device.
580 * 627 *
581 * Also tell the Runtime PM core to ignore children 628 * Also tell the Runtime PM core to ignore children
diff --git a/drivers/net/irda/sh_irda.c b/drivers/net/irda/sh_irda.c
index edd5666f0ffb..9e3f4f54281d 100644
--- a/drivers/net/irda/sh_irda.c
+++ b/drivers/net/irda/sh_irda.c
@@ -748,7 +748,6 @@ static int __devinit sh_irda_probe(struct platform_device *pdev)
748 struct net_device *ndev; 748 struct net_device *ndev;
749 struct sh_irda_self *self; 749 struct sh_irda_self *self;
750 struct resource *res; 750 struct resource *res;
751 char clk_name[8];
752 int irq; 751 int irq;
753 int err = -ENOMEM; 752 int err = -ENOMEM;
754 753
@@ -775,10 +774,9 @@ static int __devinit sh_irda_probe(struct platform_device *pdev)
775 if (err) 774 if (err)
776 goto err_mem_2; 775 goto err_mem_2;
777 776
778 snprintf(clk_name, sizeof(clk_name), "irda%d", pdev->id); 777 self->clk = clk_get(&pdev->dev, NULL);
779 self->clk = clk_get(&pdev->dev, clk_name);
780 if (IS_ERR(self->clk)) { 778 if (IS_ERR(self->clk)) {
781 dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name); 779 dev_err(&pdev->dev, "cannot get irda clock\n");
782 goto err_mem_3; 780 goto err_mem_3;
783 } 781 }
784 782
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 5f90fcd7d107..c291b3add1d2 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -346,6 +346,27 @@ static int scif_rxfill(struct uart_port *port)
346 return sci_in(port, SCFDR) & SCIF2_RFDC_MASK; 346 return sci_in(port, SCFDR) & SCIF2_RFDC_MASK;
347 } 347 }
348} 348}
349#elif defined(CONFIG_ARCH_SH7372)
350static int scif_txfill(struct uart_port *port)
351{
352 if (port->type == PORT_SCIFA)
353 return sci_in(port, SCFDR) >> 8;
354 else
355 return sci_in(port, SCTFDR);
356}
357
358static int scif_txroom(struct uart_port *port)
359{
360 return port->fifosize - scif_txfill(port);
361}
362
363static int scif_rxfill(struct uart_port *port)
364{
365 if (port->type == PORT_SCIFA)
366 return sci_in(port, SCFDR) & SCIF_RFDC_MASK;
367 else
368 return sci_in(port, SCRFDR);
369}
349#else 370#else
350static int scif_txfill(struct uart_port *port) 371static int scif_txfill(struct uart_port *port)
351{ 372{
@@ -683,7 +704,7 @@ static irqreturn_t sci_rx_interrupt(int irq, void *ptr)
683 u16 ssr = sci_in(port, SCxSR); 704 u16 ssr = sci_in(port, SCxSR);
684 705
685 /* Disable future Rx interrupts */ 706 /* Disable future Rx interrupts */
686 if (port->type == PORT_SCIFA) { 707 if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
687 disable_irq_nosync(irq); 708 disable_irq_nosync(irq);
688 scr |= 0x4000; 709 scr |= 0x4000;
689 } else { 710 } else {
@@ -928,7 +949,7 @@ static void sci_dma_tx_complete(void *arg)
928 949
929 if (!uart_circ_empty(xmit)) { 950 if (!uart_circ_empty(xmit)) {
930 schedule_work(&s->work_tx); 951 schedule_work(&s->work_tx);
931 } else if (port->type == PORT_SCIFA) { 952 } else if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
932 u16 ctrl = sci_in(port, SCSCR); 953 u16 ctrl = sci_in(port, SCSCR);
933 sci_out(port, SCSCR, ctrl & ~SCI_CTRL_FLAGS_TIE); 954 sci_out(port, SCSCR, ctrl & ~SCI_CTRL_FLAGS_TIE);
934 } 955 }
@@ -1184,7 +1205,7 @@ static void sci_start_tx(struct uart_port *port)
1184 unsigned short ctrl; 1205 unsigned short ctrl;
1185 1206
1186#ifdef CONFIG_SERIAL_SH_SCI_DMA 1207#ifdef CONFIG_SERIAL_SH_SCI_DMA
1187 if (port->type == PORT_SCIFA) { 1208 if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
1188 u16 new, scr = sci_in(port, SCSCR); 1209 u16 new, scr = sci_in(port, SCSCR);
1189 if (s->chan_tx) 1210 if (s->chan_tx)
1190 new = scr | 0x8000; 1211 new = scr | 0x8000;
@@ -1197,7 +1218,7 @@ static void sci_start_tx(struct uart_port *port)
1197 s->cookie_tx < 0) 1218 s->cookie_tx < 0)
1198 schedule_work(&s->work_tx); 1219 schedule_work(&s->work_tx);
1199#endif 1220#endif
1200 if (!s->chan_tx || port->type == PORT_SCIFA) { 1221 if (!s->chan_tx || port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
1201 /* Set TIE (Transmit Interrupt Enable) bit in SCSCR */ 1222 /* Set TIE (Transmit Interrupt Enable) bit in SCSCR */
1202 ctrl = sci_in(port, SCSCR); 1223 ctrl = sci_in(port, SCSCR);
1203 sci_out(port, SCSCR, ctrl | SCI_CTRL_FLAGS_TIE); 1224 sci_out(port, SCSCR, ctrl | SCI_CTRL_FLAGS_TIE);
@@ -1210,7 +1231,7 @@ static void sci_stop_tx(struct uart_port *port)
1210 1231
1211 /* Clear TIE (Transmit Interrupt Enable) bit in SCSCR */ 1232 /* Clear TIE (Transmit Interrupt Enable) bit in SCSCR */
1212 ctrl = sci_in(port, SCSCR); 1233 ctrl = sci_in(port, SCSCR);
1213 if (port->type == PORT_SCIFA) 1234 if (port->type == PORT_SCIFA || port->type == PORT_SCIFB)
1214 ctrl &= ~0x8000; 1235 ctrl &= ~0x8000;
1215 ctrl &= ~SCI_CTRL_FLAGS_TIE; 1236 ctrl &= ~SCI_CTRL_FLAGS_TIE;
1216 sci_out(port, SCSCR, ctrl); 1237 sci_out(port, SCSCR, ctrl);
@@ -1222,7 +1243,7 @@ static void sci_start_rx(struct uart_port *port)
1222 1243
1223 /* Set RIE (Receive Interrupt Enable) bit in SCSCR */ 1244 /* Set RIE (Receive Interrupt Enable) bit in SCSCR */
1224 ctrl |= sci_in(port, SCSCR); 1245 ctrl |= sci_in(port, SCSCR);
1225 if (port->type == PORT_SCIFA) 1246 if (port->type == PORT_SCIFA || port->type == PORT_SCIFB)
1226 ctrl &= ~0x4000; 1247 ctrl &= ~0x4000;
1227 sci_out(port, SCSCR, ctrl); 1248 sci_out(port, SCSCR, ctrl);
1228} 1249}
@@ -1233,7 +1254,7 @@ static void sci_stop_rx(struct uart_port *port)
1233 1254
1234 /* Clear RIE (Receive Interrupt Enable) bit in SCSCR */ 1255 /* Clear RIE (Receive Interrupt Enable) bit in SCSCR */
1235 ctrl = sci_in(port, SCSCR); 1256 ctrl = sci_in(port, SCSCR);
1236 if (port->type == PORT_SCIFA) 1257 if (port->type == PORT_SCIFA || port->type == PORT_SCIFB)
1237 ctrl &= ~0x4000; 1258 ctrl &= ~0x4000;
1238 ctrl &= ~(SCI_CTRL_FLAGS_RIE | SCI_CTRL_FLAGS_REIE); 1259 ctrl &= ~(SCI_CTRL_FLAGS_RIE | SCI_CTRL_FLAGS_REIE);
1239 sci_out(port, SCSCR, ctrl); 1260 sci_out(port, SCSCR, ctrl);
@@ -1271,7 +1292,7 @@ static void rx_timer_fn(unsigned long arg)
1271 struct uart_port *port = &s->port; 1292 struct uart_port *port = &s->port;
1272 u16 scr = sci_in(port, SCSCR); 1293 u16 scr = sci_in(port, SCSCR);
1273 1294
1274 if (port->type == PORT_SCIFA) { 1295 if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
1275 scr &= ~0x4000; 1296 scr &= ~0x4000;
1276 enable_irq(s->irqs[1]); 1297 enable_irq(s->irqs[1]);
1277 } 1298 }
@@ -1524,6 +1545,8 @@ static const char *sci_type(struct uart_port *port)
1524 return "scif"; 1545 return "scif";
1525 case PORT_SCIFA: 1546 case PORT_SCIFA:
1526 return "scifa"; 1547 return "scifa";
1548 case PORT_SCIFB:
1549 return "scifb";
1527 } 1550 }
1528 1551
1529 return NULL; 1552 return NULL;
@@ -1612,6 +1635,9 @@ static int __devinit sci_init_single(struct platform_device *dev,
1612 port->line = index; 1635 port->line = index;
1613 1636
1614 switch (p->type) { 1637 switch (p->type) {
1638 case PORT_SCIFB:
1639 port->fifosize = 256;
1640 break;
1615 case PORT_SCIFA: 1641 case PORT_SCIFA:
1616 port->fifosize = 64; 1642 port->fifosize = 64;
1617 break; 1643 break;
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index f70c49f915fa..9b52f77a9305 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -322,7 +322,7 @@
322#define CPU_SCIx_FNS(name, sci_offset, sci_size, scif_offset, scif_size)\ 322#define CPU_SCIx_FNS(name, sci_offset, sci_size, scif_offset, scif_size)\
323 static inline unsigned int sci_##name##_in(struct uart_port *port) \ 323 static inline unsigned int sci_##name##_in(struct uart_port *port) \
324 { \ 324 { \
325 if (port->type == PORT_SCIF) { \ 325 if (port->type == PORT_SCIF || port->type == PORT_SCIFB) { \
326 SCI_IN(scif_size, scif_offset) \ 326 SCI_IN(scif_size, scif_offset) \
327 } else { /* PORT_SCI or PORT_SCIFA */ \ 327 } else { /* PORT_SCI or PORT_SCIFA */ \
328 SCI_IN(sci_size, sci_offset); \ 328 SCI_IN(sci_size, sci_offset); \
@@ -330,7 +330,7 @@
330 } \ 330 } \
331 static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \ 331 static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
332 { \ 332 { \
333 if (port->type == PORT_SCIF) { \ 333 if (port->type == PORT_SCIF || port->type == PORT_SCIFB) { \
334 SCI_OUT(scif_size, scif_offset, value) \ 334 SCI_OUT(scif_size, scif_offset, value) \
335 } else { /* PORT_SCI or PORT_SCIFA */ \ 335 } else { /* PORT_SCI or PORT_SCIFA */ \
336 SCI_OUT(sci_size, sci_offset, value); \ 336 SCI_OUT(sci_size, sci_offset, value); \
@@ -384,8 +384,12 @@
384 defined(CONFIG_CPU_SUBTYPE_SH7720) || \ 384 defined(CONFIG_CPU_SUBTYPE_SH7720) || \
385 defined(CONFIG_CPU_SUBTYPE_SH7721) || \ 385 defined(CONFIG_CPU_SUBTYPE_SH7721) || \
386 defined(CONFIG_ARCH_SH7367) || \ 386 defined(CONFIG_ARCH_SH7367) || \
387 defined(CONFIG_ARCH_SH7377) || \ 387 defined(CONFIG_ARCH_SH7377)
388 defined(CONFIG_ARCH_SH7372) 388#define SCIF_FNS(name, scif_offset, scif_size) \
389 CPU_SCIF_FNS(name, scif_offset, scif_size)
390#elif defined(CONFIG_ARCH_SH7372)
391#define SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scifb_offset, sh4_scifb_size) \
392 CPU_SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scifb_offset, sh4_scifb_size)
389#define SCIF_FNS(name, scif_offset, scif_size) \ 393#define SCIF_FNS(name, scif_offset, scif_size) \
390 CPU_SCIF_FNS(name, scif_offset, scif_size) 394 CPU_SCIF_FNS(name, scif_offset, scif_size)
391#else 395#else
@@ -422,8 +426,7 @@
422 defined(CONFIG_CPU_SUBTYPE_SH7720) || \ 426 defined(CONFIG_CPU_SUBTYPE_SH7720) || \
423 defined(CONFIG_CPU_SUBTYPE_SH7721) || \ 427 defined(CONFIG_CPU_SUBTYPE_SH7721) || \
424 defined(CONFIG_ARCH_SH7367) || \ 428 defined(CONFIG_ARCH_SH7367) || \
425 defined(CONFIG_ARCH_SH7377) || \ 429 defined(CONFIG_ARCH_SH7377)
426 defined(CONFIG_ARCH_SH7372)
427 430
428SCIF_FNS(SCSMR, 0x00, 16) 431SCIF_FNS(SCSMR, 0x00, 16)
429SCIF_FNS(SCBRR, 0x04, 8) 432SCIF_FNS(SCBRR, 0x04, 8)
@@ -436,6 +439,20 @@ SCIF_FNS(SCFDR, 0x1c, 16)
436SCIF_FNS(SCxTDR, 0x20, 8) 439SCIF_FNS(SCxTDR, 0x20, 8)
437SCIF_FNS(SCxRDR, 0x24, 8) 440SCIF_FNS(SCxRDR, 0x24, 8)
438SCIF_FNS(SCLSR, 0x00, 0) 441SCIF_FNS(SCLSR, 0x00, 0)
442#elif defined(CONFIG_ARCH_SH7372)
443SCIF_FNS(SCSMR, 0x00, 16)
444SCIF_FNS(SCBRR, 0x04, 8)
445SCIF_FNS(SCSCR, 0x08, 16)
446SCIF_FNS(SCTDSR, 0x0c, 16)
447SCIF_FNS(SCFER, 0x10, 16)
448SCIF_FNS(SCxSR, 0x14, 16)
449SCIF_FNS(SCFCR, 0x18, 16)
450SCIF_FNS(SCFDR, 0x1c, 16)
451SCIF_FNS(SCTFDR, 0x38, 16)
452SCIF_FNS(SCRFDR, 0x3c, 16)
453SCIx_FNS(SCxTDR, 0x20, 8, 0x40, 8)
454SCIx_FNS(SCxRDR, 0x24, 8, 0x60, 8)
455SCIF_FNS(SCLSR, 0x00, 0)
439#elif defined(CONFIG_CPU_SUBTYPE_SH7723) ||\ 456#elif defined(CONFIG_CPU_SUBTYPE_SH7723) ||\
440 defined(CONFIG_CPU_SUBTYPE_SH7724) 457 defined(CONFIG_CPU_SUBTYPE_SH7724)
441SCIx_FNS(SCSMR, 0x00, 16, 0x00, 16) 458SCIx_FNS(SCSMR, 0x00, 16, 0x00, 16)
diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile
index 78bb5127abd0..08fc653a825c 100644
--- a/drivers/sh/Makefile
+++ b/drivers/sh/Makefile
@@ -1,9 +1,10 @@
1# 1#
2# Makefile for the SuperH specific drivers. 2# Makefile for the SuperH specific drivers.
3# 3#
4obj-y := clk.o intc.o
5
4obj-$(CONFIG_SUPERHYWAY) += superhyway/ 6obj-$(CONFIG_SUPERHYWAY) += superhyway/
5obj-$(CONFIG_MAPLE) += maple/ 7obj-$(CONFIG_MAPLE) += maple/
8
6obj-$(CONFIG_GENERIC_GPIO) += pfc.o 9obj-$(CONFIG_GENERIC_GPIO) += pfc.o
7obj-$(CONFIG_SUPERH) += clk.o
8obj-$(CONFIG_SH_CLK_CPG) += clk-cpg.o 10obj-$(CONFIG_SH_CLK_CPG) += clk-cpg.o
9obj-y += intc.o
diff --git a/drivers/sh/clk-cpg.c b/drivers/sh/clk-cpg.c
index f5c80ba9ab1c..8c024b984ed8 100644
--- a/drivers/sh/clk-cpg.c
+++ b/drivers/sh/clk-cpg.c
@@ -68,6 +68,39 @@ static unsigned long sh_clk_div6_recalc(struct clk *clk)
68 return clk->freq_table[idx].frequency; 68 return clk->freq_table[idx].frequency;
69} 69}
70 70
71static int sh_clk_div6_set_parent(struct clk *clk, struct clk *parent)
72{
73 struct clk_div_mult_table *table = &sh_clk_div6_table;
74 u32 value;
75 int ret, i;
76
77 if (!clk->parent_table || !clk->parent_num)
78 return -EINVAL;
79
80 /* Search the parent */
81 for (i = 0; i < clk->parent_num; i++)
82 if (clk->parent_table[i] == parent)
83 break;
84
85 if (i == clk->parent_num)
86 return -ENODEV;
87
88 ret = clk_reparent(clk, parent);
89 if (ret < 0)
90 return ret;
91
92 value = __raw_readl(clk->enable_reg) &
93 ~(((1 << clk->src_width) - 1) << clk->src_shift);
94
95 __raw_writel(value | (i << clk->src_shift), clk->enable_reg);
96
97 /* Rebuild the frequency table */
98 clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
99 table, &clk->arch_flags);
100
101 return 0;
102}
103
71static int sh_clk_div6_set_rate(struct clk *clk, 104static int sh_clk_div6_set_rate(struct clk *clk,
72 unsigned long rate, int algo_id) 105 unsigned long rate, int algo_id)
73{ 106{
@@ -117,7 +150,17 @@ static struct clk_ops sh_clk_div6_clk_ops = {
117 .disable = sh_clk_div6_disable, 150 .disable = sh_clk_div6_disable,
118}; 151};
119 152
120int __init sh_clk_div6_register(struct clk *clks, int nr) 153static struct clk_ops sh_clk_div6_reparent_clk_ops = {
154 .recalc = sh_clk_div6_recalc,
155 .round_rate = sh_clk_div_round_rate,
156 .set_rate = sh_clk_div6_set_rate,
157 .enable = sh_clk_div6_enable,
158 .disable = sh_clk_div6_disable,
159 .set_parent = sh_clk_div6_set_parent,
160};
161
162static int __init sh_clk_div6_register_ops(struct clk *clks, int nr,
163 struct clk_ops *ops)
121{ 164{
122 struct clk *clkp; 165 struct clk *clkp;
123 void *freq_table; 166 void *freq_table;
@@ -136,7 +179,7 @@ int __init sh_clk_div6_register(struct clk *clks, int nr)
136 for (k = 0; !ret && (k < nr); k++) { 179 for (k = 0; !ret && (k < nr); k++) {
137 clkp = clks + k; 180 clkp = clks + k;
138 181
139 clkp->ops = &sh_clk_div6_clk_ops; 182 clkp->ops = ops;
140 clkp->id = -1; 183 clkp->id = -1;
141 clkp->freq_table = freq_table + (k * freq_table_size); 184 clkp->freq_table = freq_table + (k * freq_table_size);
142 clkp->freq_table[nr_divs].frequency = CPUFREQ_TABLE_END; 185 clkp->freq_table[nr_divs].frequency = CPUFREQ_TABLE_END;
@@ -147,6 +190,17 @@ int __init sh_clk_div6_register(struct clk *clks, int nr)
147 return ret; 190 return ret;
148} 191}
149 192
193int __init sh_clk_div6_register(struct clk *clks, int nr)
194{
195 return sh_clk_div6_register_ops(clks, nr, &sh_clk_div6_clk_ops);
196}
197
198int __init sh_clk_div6_reparent_register(struct clk *clks, int nr)
199{
200 return sh_clk_div6_register_ops(clks, nr,
201 &sh_clk_div6_reparent_clk_ops);
202}
203
150static unsigned long sh_clk_div4_recalc(struct clk *clk) 204static unsigned long sh_clk_div4_recalc(struct clk *clk)
151{ 205{
152 struct clk_div4_table *d4t = clk->priv; 206 struct clk_div4_table *d4t = clk->priv;
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 7b11ea68c80e..bbeee4ba2488 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -1896,6 +1896,13 @@ config FB_W100
1896 1896
1897 If unsure, say N. 1897 If unsure, say N.
1898 1898
1899config SH_MIPI_DSI
1900 tristate
1901 depends on (SUPERH || ARCH_SHMOBILE) && HAVE_CLK
1902
1903config SH_LCD_MIPI_DSI
1904 bool
1905
1899config FB_SH_MOBILE_LCDC 1906config FB_SH_MOBILE_LCDC
1900 tristate "SuperH Mobile LCDC framebuffer support" 1907 tristate "SuperH Mobile LCDC framebuffer support"
1901 depends on FB && (SUPERH || ARCH_SHMOBILE) && HAVE_CLK 1908 depends on FB && (SUPERH || ARCH_SHMOBILE) && HAVE_CLK
@@ -1904,9 +1911,17 @@ config FB_SH_MOBILE_LCDC
1904 select FB_SYS_IMAGEBLIT 1911 select FB_SYS_IMAGEBLIT
1905 select FB_SYS_FOPS 1912 select FB_SYS_FOPS
1906 select FB_DEFERRED_IO 1913 select FB_DEFERRED_IO
1914 select SH_MIPI_DSI if SH_LCD_MIPI_DSI
1907 ---help--- 1915 ---help---
1908 Frame buffer driver for the on-chip SH-Mobile LCD controller. 1916 Frame buffer driver for the on-chip SH-Mobile LCD controller.
1909 1917
1918config FB_SH_MOBILE_HDMI
1919 tristate "SuperH Mobile HDMI controller support"
1920 depends on FB_SH_MOBILE_LCDC
1921 select FB_MODE_HELPERS
1922 ---help---
1923 Driver for the on-chip SH-Mobile HDMI controller.
1924
1910config FB_TMIO 1925config FB_TMIO
1911 tristate "Toshiba Mobile IO FrameBuffer support" 1926 tristate "Toshiba Mobile IO FrameBuffer support"
1912 depends on FB && MFD_CORE 1927 depends on FB && MFD_CORE
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index f56a9cae2157..485e8ed1318c 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -123,6 +123,8 @@ obj-$(CONFIG_FB_IBM_GXT4500) += gxt4500.o
123obj-$(CONFIG_FB_PS3) += ps3fb.o 123obj-$(CONFIG_FB_PS3) += ps3fb.o
124obj-$(CONFIG_FB_SM501) += sm501fb.o 124obj-$(CONFIG_FB_SM501) += sm501fb.o
125obj-$(CONFIG_FB_XILINX) += xilinxfb.o 125obj-$(CONFIG_FB_XILINX) += xilinxfb.o
126obj-$(CONFIG_SH_MIPI_DSI) += sh_mipi_dsi.o
127obj-$(CONFIG_FB_SH_MOBILE_HDMI) += sh_mobile_hdmi.o
126obj-$(CONFIG_FB_SH_MOBILE_LCDC) += sh_mobile_lcdcfb.o 128obj-$(CONFIG_FB_SH_MOBILE_LCDC) += sh_mobile_lcdcfb.o
127obj-$(CONFIG_FB_OMAP) += omap/ 129obj-$(CONFIG_FB_OMAP) += omap/
128obj-y += omap2/ 130obj-y += omap2/
diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c
new file mode 100644
index 000000000000..5699ce0c1780
--- /dev/null
+++ b/drivers/video/sh_mipi_dsi.c
@@ -0,0 +1,505 @@
1/*
2 * Renesas SH-mobile MIPI DSI support
3 *
4 * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
5 *
6 * This is free software; you can redistribute it and/or modify
7 * it under the terms of version 2 of the GNU General Public License as
8 * published by the Free Software Foundation.
9 */
10
11#include <linux/clk.h>
12#include <linux/delay.h>
13#include <linux/init.h>
14#include <linux/io.h>
15#include <linux/platform_device.h>
16#include <linux/slab.h>
17#include <linux/string.h>
18#include <linux/types.h>
19
20#include <video/mipi_display.h>
21#include <video/sh_mipi_dsi.h>
22#include <video/sh_mobile_lcdc.h>
23
24#define CMTSRTCTR 0x80d0
25#define CMTSRTREQ 0x8070
26
27#define DSIINTE 0x0060
28
29/* E.g., sh7372 has 2 MIPI-DSIs - one for each LCDC */
30#define MAX_SH_MIPI_DSI 2
31
32struct sh_mipi {
33 void __iomem *base;
34 struct clk *dsit_clk;
35 struct clk *dsip_clk;
36};
37
38static struct sh_mipi *mipi_dsi[MAX_SH_MIPI_DSI];
39
40/* Protect the above array */
41static DEFINE_MUTEX(array_lock);
42
43static struct sh_mipi *sh_mipi_by_handle(int handle)
44{
45 if (handle >= ARRAY_SIZE(mipi_dsi) || handle < 0)
46 return NULL;
47
48 return mipi_dsi[handle];
49}
50
51static int sh_mipi_send_short(struct sh_mipi *mipi, u8 dsi_cmd,
52 u8 cmd, u8 param)
53{
54 u32 data = (dsi_cmd << 24) | (cmd << 16) | (param << 8);
55 int cnt = 100;
56
57 /* transmit a short packet to LCD panel */
58 iowrite32(1 | data, mipi->base + 0x80d0); /* CMTSRTCTR */
59 iowrite32(1, mipi->base + 0x8070); /* CMTSRTREQ */
60
61 while ((ioread32(mipi->base + 0x8070) & 1) && --cnt)
62 udelay(1);
63
64 return cnt ? 0 : -ETIMEDOUT;
65}
66
67#define LCD_CHAN2MIPI(c) ((c) < LCDC_CHAN_MAINLCD || (c) > LCDC_CHAN_SUBLCD ? \
68 -EINVAL : (c) - 1)
69
70static int sh_mipi_dcs(int handle, u8 cmd)
71{
72 struct sh_mipi *mipi = sh_mipi_by_handle(LCD_CHAN2MIPI(handle));
73 if (!mipi)
74 return -ENODEV;
75 return sh_mipi_send_short(mipi, MIPI_DSI_DCS_SHORT_WRITE, cmd, 0);
76}
77
78static int sh_mipi_dcs_param(int handle, u8 cmd, u8 param)
79{
80 struct sh_mipi *mipi = sh_mipi_by_handle(LCD_CHAN2MIPI(handle));
81 if (!mipi)
82 return -ENODEV;
83 return sh_mipi_send_short(mipi, MIPI_DSI_DCS_SHORT_WRITE_PARAM, cmd,
84 param);
85}
86
87static void sh_mipi_dsi_enable(struct sh_mipi *mipi, bool enable)
88{
89 /*
90 * enable LCDC data tx, transition to LPS after completion of each HS
91 * packet
92 */
93 iowrite32(0x00000002 | enable, mipi->base + 0x8000); /* DTCTR */
94}
95
96static void sh_mipi_shutdown(struct platform_device *pdev)
97{
98 struct sh_mipi *mipi = platform_get_drvdata(pdev);
99
100 sh_mipi_dsi_enable(mipi, false);
101}
102
103static void mipi_display_on(void *arg, struct fb_info *info)
104{
105 struct sh_mipi *mipi = arg;
106
107 sh_mipi_dsi_enable(mipi, true);
108}
109
110static void mipi_display_off(void *arg)
111{
112 struct sh_mipi *mipi = arg;
113
114 sh_mipi_dsi_enable(mipi, false);
115}
116
117static int __init sh_mipi_setup(struct sh_mipi *mipi,
118 struct sh_mipi_dsi_info *pdata)
119{
120 void __iomem *base = mipi->base;
121 struct sh_mobile_lcdc_chan_cfg *ch = pdata->lcd_chan;
122 u32 pctype, datatype, pixfmt;
123 u32 linelength;
124 bool yuv;
125
126 /* Select data format */
127 switch (pdata->data_format) {
128 case MIPI_RGB888:
129 pctype = 0;
130 datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24;
131 pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
132 linelength = ch->lcd_cfg.xres * 3;
133 yuv = false;
134 break;
135 case MIPI_RGB565:
136 pctype = 1;
137 datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16;
138 pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
139 linelength = ch->lcd_cfg.xres * 2;
140 yuv = false;
141 break;
142 case MIPI_RGB666_LP:
143 pctype = 2;
144 datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
145 pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
146 linelength = ch->lcd_cfg.xres * 3;
147 yuv = false;
148 break;
149 case MIPI_RGB666:
150 pctype = 3;
151 datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18;
152 pixfmt = MIPI_DCS_PIXEL_FMT_18BIT;
153 linelength = (ch->lcd_cfg.xres * 18 + 7) / 8;
154 yuv = false;
155 break;
156 case MIPI_BGR888:
157 pctype = 8;
158 datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24;
159 pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
160 linelength = ch->lcd_cfg.xres * 3;
161 yuv = false;
162 break;
163 case MIPI_BGR565:
164 pctype = 9;
165 datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16;
166 pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
167 linelength = ch->lcd_cfg.xres * 2;
168 yuv = false;
169 break;
170 case MIPI_BGR666_LP:
171 pctype = 0xa;
172 datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
173 pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
174 linelength = ch->lcd_cfg.xres * 3;
175 yuv = false;
176 break;
177 case MIPI_BGR666:
178 pctype = 0xb;
179 datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18;
180 pixfmt = MIPI_DCS_PIXEL_FMT_18BIT;
181 linelength = (ch->lcd_cfg.xres * 18 + 7) / 8;
182 yuv = false;
183 break;
184 case MIPI_YUYV:
185 pctype = 4;
186 datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16;
187 pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
188 linelength = ch->lcd_cfg.xres * 2;
189 yuv = true;
190 break;
191 case MIPI_UYVY:
192 pctype = 5;
193 datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16;
194 pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
195 linelength = ch->lcd_cfg.xres * 2;
196 yuv = true;
197 break;
198 case MIPI_YUV420_L:
199 pctype = 6;
200 datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12;
201 pixfmt = MIPI_DCS_PIXEL_FMT_12BIT;
202 linelength = (ch->lcd_cfg.xres * 12 + 7) / 8;
203 yuv = true;
204 break;
205 case MIPI_YUV420:
206 pctype = 7;
207 datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12;
208 pixfmt = MIPI_DCS_PIXEL_FMT_12BIT;
209 /* Length of U/V line */
210 linelength = (ch->lcd_cfg.xres + 1) / 2;
211 yuv = true;
212 break;
213 default:
214 return -EINVAL;
215 }
216
217 if ((yuv && ch->interface_type != YUV422) ||
218 (!yuv && ch->interface_type != RGB24))
219 return -EINVAL;
220
221 /* reset DSI link */
222 iowrite32(0x00000001, base); /* SYSCTRL */
223 /* Hold reset for 100 cycles of the slowest of bus, HS byte and LP clock */
224 udelay(50);
225 iowrite32(0x00000000, base); /* SYSCTRL */
226
227 /* setup DSI link */
228
229 /*
230 * Default = ULPS enable |
231 * Contention detection enabled |
232 * EoT packet transmission enable |
233 * CRC check enable |
234 * ECC check enable
235 * additionally enable first two lanes
236 */
237 iowrite32(0x00003703, base + 0x04); /* SYSCONF */
238 /*
239 * T_wakeup = 0x7000
240 * T_hs-trail = 3
241 * T_hs-prepare = 3
242 * T_clk-trail = 3
243 * T_clk-prepare = 2
244 */
245 iowrite32(0x70003332, base + 0x08); /* TIMSET */
246 /* no responses requested */
247 iowrite32(0x00000000, base + 0x18); /* RESREQSET0 */
248 /* request response to packets of type 0x28 */
249 iowrite32(0x00000100, base + 0x1c); /* RESREQSET1 */
250 /* High-speed transmission timeout, default 0xffffffff */
251 iowrite32(0x0fffffff, base + 0x20); /* HSTTOVSET */
252 /* LP reception timeout, default 0xffffffff */
253 iowrite32(0x0fffffff, base + 0x24); /* LPRTOVSET */
254 /* Turn-around timeout, default 0xffffffff */
255 iowrite32(0x0fffffff, base + 0x28); /* TATOVSET */
256 /* Peripheral reset timeout, default 0xffffffff */
257 iowrite32(0x0fffffff, base + 0x2c); /* PRTOVSET */
258 /* Enable timeout counters */
259 iowrite32(0x00000f00, base + 0x30); /* DSICTRL */
260 /* Interrupts not used, disable all */
261 iowrite32(0, base + DSIINTE);
262 /* DSI-Tx bias on */
263 iowrite32(0x00000001, base + 0x70); /* PHYCTRL */
264 udelay(200);
265 /* Deassert resets, power on, set multiplier */
266 iowrite32(0x03070b01, base + 0x70); /* PHYCTRL */
267
268 /* setup l-bridge */
269
270 /*
271 * Enable transmission of all packets,
272 * transmit LPS after each HS packet completion
273 */
274 iowrite32(0x00000006, base + 0x8000); /* DTCTR */
275 /* VSYNC width = 2 (<< 17) */
276 iowrite32(0x00040000 | (pctype << 12) | datatype, base + 0x8020); /* VMCTR1 */
277 /*
278 * Non-burst mode with sync pulses: VSE and HSE are output,
279 * HSA period allowed, no commands in LP
280 */
281 iowrite32(0x00e00000, base + 0x8024); /* VMCTR2 */
282 /*
283 * 0x660 = 1632 bytes per line (RGB24, 544 pixels: see
284 * sh_mobile_lcdc_info.ch[0].lcd_cfg.xres), HSALEN = 1 - default
285 * (unused, since VMCTR2[HSABM] = 0)
286 */
287 iowrite32(1 | (linelength << 16), base + 0x8028); /* VMLEN1 */
288
289 msleep(5);
290
291 /* setup LCD panel */
292
293 /* cf. drivers/video/omap/lcd_mipid.c */
294 sh_mipi_dcs(ch->chan, MIPI_DCS_EXIT_SLEEP_MODE);
295 msleep(120);
296 /*
297 * [7] - Page Address Mode
298 * [6] - Column Address Mode
299 * [5] - Page / Column Address Mode
300 * [4] - Display Device Line Refresh Order
301 * [3] - RGB/BGR Order
302 * [2] - Display Data Latch Data Order
303 * [1] - Flip Horizontal
304 * [0] - Flip Vertical
305 */
306 sh_mipi_dcs_param(ch->chan, MIPI_DCS_SET_ADDRESS_MODE, 0x00);
307 /* cf. set_data_lines() */
308 sh_mipi_dcs_param(ch->chan, MIPI_DCS_SET_PIXEL_FORMAT,
309 pixfmt << 4);
310 sh_mipi_dcs(ch->chan, MIPI_DCS_SET_DISPLAY_ON);
311
312 return 0;
313}
314
315static int __init sh_mipi_probe(struct platform_device *pdev)
316{
317 struct sh_mipi *mipi;
318 struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data;
319 struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
320 unsigned long rate, f_current;
321 int idx = pdev->id, ret;
322 char dsip_clk[] = "dsi.p_clk";
323
324 if (!res || idx >= ARRAY_SIZE(mipi_dsi) || !pdata)
325 return -ENODEV;
326
327 mutex_lock(&array_lock);
328 if (idx < 0)
329 for (idx = 0; idx < ARRAY_SIZE(mipi_dsi) && mipi_dsi[idx]; idx++)
330 ;
331
332 if (idx == ARRAY_SIZE(mipi_dsi)) {
333 ret = -EBUSY;
334 goto efindslot;
335 }
336
337 mipi = kzalloc(sizeof(*mipi), GFP_KERNEL);
338 if (!mipi) {
339 ret = -ENOMEM;
340 goto ealloc;
341 }
342
343 if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
344 dev_err(&pdev->dev, "MIPI register region already claimed\n");
345 ret = -EBUSY;
346 goto ereqreg;
347 }
348
349 mipi->base = ioremap(res->start, resource_size(res));
350 if (!mipi->base) {
351 ret = -ENOMEM;
352 goto emap;
353 }
354
355 mipi->dsit_clk = clk_get(&pdev->dev, "dsit_clk");
356 if (IS_ERR(mipi->dsit_clk)) {
357 ret = PTR_ERR(mipi->dsit_clk);
358 goto eclktget;
359 }
360
361 f_current = clk_get_rate(mipi->dsit_clk);
362 /* 80MHz required by the datasheet */
363 rate = clk_round_rate(mipi->dsit_clk, 80000000);
364 if (rate > 0 && rate != f_current)
365 ret = clk_set_rate(mipi->dsit_clk, rate);
366 else
367 ret = rate;
368 if (ret < 0)
369 goto esettrate;
370
371 dev_dbg(&pdev->dev, "DSI-T clk %lu -> %lu\n", f_current, rate);
372
373 sprintf(dsip_clk, "dsi%1.1dp_clk", idx);
374 mipi->dsip_clk = clk_get(&pdev->dev, dsip_clk);
375 if (IS_ERR(mipi->dsip_clk)) {
376 ret = PTR_ERR(mipi->dsip_clk);
377 goto eclkpget;
378 }
379
380 f_current = clk_get_rate(mipi->dsip_clk);
381 /* Between 10 and 50MHz */
382 rate = clk_round_rate(mipi->dsip_clk, 24000000);
383 if (rate > 0 && rate != f_current)
384 ret = clk_set_rate(mipi->dsip_clk, rate);
385 else
386 ret = rate;
387 if (ret < 0)
388 goto esetprate;
389
390 dev_dbg(&pdev->dev, "DSI-P clk %lu -> %lu\n", f_current, rate);
391
392 msleep(10);
393
394 ret = clk_enable(mipi->dsit_clk);
395 if (ret < 0)
396 goto eclkton;
397
398 ret = clk_enable(mipi->dsip_clk);
399 if (ret < 0)
400 goto eclkpon;
401
402 mipi_dsi[idx] = mipi;
403
404 ret = sh_mipi_setup(mipi, pdata);
405 if (ret < 0)
406 goto emipisetup;
407
408 mutex_unlock(&array_lock);
409 platform_set_drvdata(pdev, mipi);
410
411 /* Set up LCDC callbacks */
412 pdata->lcd_chan->board_cfg.board_data = mipi;
413 pdata->lcd_chan->board_cfg.display_on = mipi_display_on;
414 pdata->lcd_chan->board_cfg.display_off = mipi_display_off;
415
416 return 0;
417
418emipisetup:
419 mipi_dsi[idx] = NULL;
420 clk_disable(mipi->dsip_clk);
421eclkpon:
422 clk_disable(mipi->dsit_clk);
423eclkton:
424esetprate:
425 clk_put(mipi->dsip_clk);
426eclkpget:
427esettrate:
428 clk_put(mipi->dsit_clk);
429eclktget:
430 iounmap(mipi->base);
431emap:
432 release_mem_region(res->start, resource_size(res));
433ereqreg:
434 kfree(mipi);
435ealloc:
436efindslot:
437 mutex_unlock(&array_lock);
438
439 return ret;
440}
441
442static int __exit sh_mipi_remove(struct platform_device *pdev)
443{
444 struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data;
445 struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
446 struct sh_mipi *mipi = platform_get_drvdata(pdev);
447 int i, ret;
448
449 mutex_lock(&array_lock);
450
451 for (i = 0; i < ARRAY_SIZE(mipi_dsi) && mipi_dsi[i] != mipi; i++)
452 ;
453
454 if (i == ARRAY_SIZE(mipi_dsi)) {
455 ret = -EINVAL;
456 } else {
457 ret = 0;
458 mipi_dsi[i] = NULL;
459 }
460
461 mutex_unlock(&array_lock);
462
463 if (ret < 0)
464 return ret;
465
466 pdata->lcd_chan->board_cfg.display_on = NULL;
467 pdata->lcd_chan->board_cfg.display_off = NULL;
468 pdata->lcd_chan->board_cfg.board_data = NULL;
469
470 clk_disable(mipi->dsip_clk);
471 clk_disable(mipi->dsit_clk);
472 clk_put(mipi->dsit_clk);
473 clk_put(mipi->dsip_clk);
474 iounmap(mipi->base);
475 if (res)
476 release_mem_region(res->start, resource_size(res));
477 platform_set_drvdata(pdev, NULL);
478 kfree(mipi);
479
480 return 0;
481}
482
483static struct platform_driver sh_mipi_driver = {
484 .remove = __exit_p(sh_mipi_remove),
485 .shutdown = sh_mipi_shutdown,
486 .driver = {
487 .name = "sh-mipi-dsi",
488 },
489};
490
491static int __init sh_mipi_init(void)
492{
493 return platform_driver_probe(&sh_mipi_driver, sh_mipi_probe);
494}
495module_init(sh_mipi_init);
496
497static void __exit sh_mipi_exit(void)
498{
499 platform_driver_unregister(&sh_mipi_driver);
500}
501module_exit(sh_mipi_exit);
502
503MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>");
504MODULE_DESCRIPTION("SuperH / ARM-shmobile MIPI DSI driver");
505MODULE_LICENSE("GPL v2");
diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c
new file mode 100644
index 000000000000..2fde08cc66bf
--- /dev/null
+++ b/drivers/video/sh_mobile_hdmi.c
@@ -0,0 +1,1028 @@
1/*
2 * SH-Mobile High-Definition Multimedia Interface (HDMI) driver
3 * for SLISHDMI13T and SLIPHDMIT IP cores
4 *
5 * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#include <linux/clk.h>
13#include <linux/console.h>
14#include <linux/delay.h>
15#include <linux/err.h>
16#include <linux/init.h>
17#include <linux/interrupt.h>
18#include <linux/io.h>
19#include <linux/module.h>
20#include <linux/platform_device.h>
21#include <linux/pm_runtime.h>
22#include <linux/slab.h>
23#include <linux/types.h>
24#include <linux/workqueue.h>
25
26#include <video/sh_mobile_hdmi.h>
27#include <video/sh_mobile_lcdc.h>
28
29#define HDMI_SYSTEM_CTRL 0x00 /* System control */
30#define HDMI_L_R_DATA_SWAP_CTRL_RPKT 0x01 /* L/R data swap control,
31 bits 19..16 of 20-bit N for Audio Clock Regeneration packet */
32#define HDMI_20_BIT_N_FOR_AUDIO_RPKT_15_8 0x02 /* bits 15..8 of 20-bit N for Audio Clock Regeneration packet */
33#define HDMI_20_BIT_N_FOR_AUDIO_RPKT_7_0 0x03 /* bits 7..0 of 20-bit N for Audio Clock Regeneration packet */
34#define HDMI_SPDIF_AUDIO_SAMP_FREQ_CTS 0x04 /* SPDIF audio sampling frequency,
35 bits 19..16 of Internal CTS */
36#define HDMI_INTERNAL_CTS_15_8 0x05 /* bits 15..8 of Internal CTS */
37#define HDMI_INTERNAL_CTS_7_0 0x06 /* bits 7..0 of Internal CTS */
38#define HDMI_EXTERNAL_CTS_19_16 0x07 /* External CTS */
39#define HDMI_EXTERNAL_CTS_15_8 0x08 /* External CTS */
40#define HDMI_EXTERNAL_CTS_7_0 0x09 /* External CTS */
41#define HDMI_AUDIO_SETTING_1 0x0A /* Audio setting.1 */
42#define HDMI_AUDIO_SETTING_2 0x0B /* Audio setting.2 */
43#define HDMI_I2S_AUDIO_SET 0x0C /* I2S audio setting */
44#define HDMI_DSD_AUDIO_SET 0x0D /* DSD audio setting */
45#define HDMI_DEBUG_MONITOR_1 0x0E /* Debug monitor.1 */
46#define HDMI_DEBUG_MONITOR_2 0x0F /* Debug monitor.2 */
47#define HDMI_I2S_INPUT_PIN_SWAP 0x10 /* I2S input pin swap */
48#define HDMI_AUDIO_STATUS_BITS_SETTING_1 0x11 /* Audio status bits setting.1 */
49#define HDMI_AUDIO_STATUS_BITS_SETTING_2 0x12 /* Audio status bits setting.2 */
50#define HDMI_CATEGORY_CODE 0x13 /* Category code */
51#define HDMI_SOURCE_NUM_AUDIO_WORD_LEN 0x14 /* Source number/Audio word length */
52#define HDMI_AUDIO_VIDEO_SETTING_1 0x15 /* Audio/Video setting.1 */
53#define HDMI_VIDEO_SETTING_1 0x16 /* Video setting.1 */
54#define HDMI_DEEP_COLOR_MODES 0x17 /* Deep Color Modes */
55
56/* 12 16- and 10-bit Color space conversion parameters: 0x18..0x2f */
57#define HDMI_COLOR_SPACE_CONVERSION_PARAMETERS 0x18
58
59#define HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS 0x30 /* External video parameter settings */
60#define HDMI_EXTERNAL_H_TOTAL_7_0 0x31 /* External horizontal total (LSB) */
61#define HDMI_EXTERNAL_H_TOTAL_11_8 0x32 /* External horizontal total (MSB) */
62#define HDMI_EXTERNAL_H_BLANK_7_0 0x33 /* External horizontal blank (LSB) */
63#define HDMI_EXTERNAL_H_BLANK_9_8 0x34 /* External horizontal blank (MSB) */
64#define HDMI_EXTERNAL_H_DELAY_7_0 0x35 /* External horizontal delay (LSB) */
65#define HDMI_EXTERNAL_H_DELAY_9_8 0x36 /* External horizontal delay (MSB) */
66#define HDMI_EXTERNAL_H_DURATION_7_0 0x37 /* External horizontal duration (LSB) */
67#define HDMI_EXTERNAL_H_DURATION_9_8 0x38 /* External horizontal duration (MSB) */
68#define HDMI_EXTERNAL_V_TOTAL_7_0 0x39 /* External vertical total (LSB) */
69#define HDMI_EXTERNAL_V_TOTAL_9_8 0x3A /* External vertical total (MSB) */
70#define HDMI_AUDIO_VIDEO_SETTING_2 0x3B /* Audio/Video setting.2 */
71#define HDMI_EXTERNAL_V_BLANK 0x3D /* External vertical blank */
72#define HDMI_EXTERNAL_V_DELAY 0x3E /* External vertical delay */
73#define HDMI_EXTERNAL_V_DURATION 0x3F /* External vertical duration */
74#define HDMI_CTRL_PKT_MANUAL_SEND_CONTROL 0x40 /* Control packet manual send control */
75#define HDMI_CTRL_PKT_AUTO_SEND 0x41 /* Control packet auto send with VSYNC control */
76#define HDMI_AUTO_CHECKSUM_OPTION 0x42 /* Auto checksum option */
77#define HDMI_VIDEO_SETTING_2 0x45 /* Video setting.2 */
78#define HDMI_OUTPUT_OPTION 0x46 /* Output option */
79#define HDMI_SLIPHDMIT_PARAM_OPTION 0x51 /* SLIPHDMIT parameter option */
80#define HDMI_HSYNC_PMENT_AT_EMB_7_0 0x52 /* HSYNC placement at embedded sync (LSB) */
81#define HDMI_HSYNC_PMENT_AT_EMB_15_8 0x53 /* HSYNC placement at embedded sync (MSB) */
82#define HDMI_VSYNC_PMENT_AT_EMB_7_0 0x54 /* VSYNC placement at embedded sync (LSB) */
83#define HDMI_VSYNC_PMENT_AT_EMB_14_8 0x55 /* VSYNC placement at embedded sync (MSB) */
84#define HDMI_SLIPHDMIT_PARAM_SETTINGS_1 0x56 /* SLIPHDMIT parameter settings.1 */
85#define HDMI_SLIPHDMIT_PARAM_SETTINGS_2 0x57 /* SLIPHDMIT parameter settings.2 */
86#define HDMI_SLIPHDMIT_PARAM_SETTINGS_3 0x58 /* SLIPHDMIT parameter settings.3 */
87#define HDMI_SLIPHDMIT_PARAM_SETTINGS_5 0x59 /* SLIPHDMIT parameter settings.5 */
88#define HDMI_SLIPHDMIT_PARAM_SETTINGS_6 0x5A /* SLIPHDMIT parameter settings.6 */
89#define HDMI_SLIPHDMIT_PARAM_SETTINGS_7 0x5B /* SLIPHDMIT parameter settings.7 */
90#define HDMI_SLIPHDMIT_PARAM_SETTINGS_8 0x5C /* SLIPHDMIT parameter settings.8 */
91#define HDMI_SLIPHDMIT_PARAM_SETTINGS_9 0x5D /* SLIPHDMIT parameter settings.9 */
92#define HDMI_SLIPHDMIT_PARAM_SETTINGS_10 0x5E /* SLIPHDMIT parameter settings.10 */
93#define HDMI_CTRL_PKT_BUF_INDEX 0x5F /* Control packet buffer index */
94#define HDMI_CTRL_PKT_BUF_ACCESS_HB0 0x60 /* Control packet data buffer access window - HB0 */
95#define HDMI_CTRL_PKT_BUF_ACCESS_HB1 0x61 /* Control packet data buffer access window - HB1 */
96#define HDMI_CTRL_PKT_BUF_ACCESS_HB2 0x62 /* Control packet data buffer access window - HB2 */
97#define HDMI_CTRL_PKT_BUF_ACCESS_PB0 0x63 /* Control packet data buffer access window - PB0 */
98#define HDMI_CTRL_PKT_BUF_ACCESS_PB1 0x64 /* Control packet data buffer access window - PB1 */
99#define HDMI_CTRL_PKT_BUF_ACCESS_PB2 0x65 /* Control packet data buffer access window - PB2 */
100#define HDMI_CTRL_PKT_BUF_ACCESS_PB3 0x66 /* Control packet data buffer access window - PB3 */
101#define HDMI_CTRL_PKT_BUF_ACCESS_PB4 0x67 /* Control packet data buffer access window - PB4 */
102#define HDMI_CTRL_PKT_BUF_ACCESS_PB5 0x68 /* Control packet data buffer access window - PB5 */
103#define HDMI_CTRL_PKT_BUF_ACCESS_PB6 0x69 /* Control packet data buffer access window - PB6 */
104#define HDMI_CTRL_PKT_BUF_ACCESS_PB7 0x6A /* Control packet data buffer access window - PB7 */
105#define HDMI_CTRL_PKT_BUF_ACCESS_PB8 0x6B /* Control packet data buffer access window - PB8 */
106#define HDMI_CTRL_PKT_BUF_ACCESS_PB9 0x6C /* Control packet data buffer access window - PB9 */
107#define HDMI_CTRL_PKT_BUF_ACCESS_PB10 0x6D /* Control packet data buffer access window - PB10 */
108#define HDMI_CTRL_PKT_BUF_ACCESS_PB11 0x6E /* Control packet data buffer access window - PB11 */
109#define HDMI_CTRL_PKT_BUF_ACCESS_PB12 0x6F /* Control packet data buffer access window - PB12 */
110#define HDMI_CTRL_PKT_BUF_ACCESS_PB13 0x70 /* Control packet data buffer access window - PB13 */
111#define HDMI_CTRL_PKT_BUF_ACCESS_PB14 0x71 /* Control packet data buffer access window - PB14 */
112#define HDMI_CTRL_PKT_BUF_ACCESS_PB15 0x72 /* Control packet data buffer access window - PB15 */
113#define HDMI_CTRL_PKT_BUF_ACCESS_PB16 0x73 /* Control packet data buffer access window - PB16 */
114#define HDMI_CTRL_PKT_BUF_ACCESS_PB17 0x74 /* Control packet data buffer access window - PB17 */
115#define HDMI_CTRL_PKT_BUF_ACCESS_PB18 0x75 /* Control packet data buffer access window - PB18 */
116#define HDMI_CTRL_PKT_BUF_ACCESS_PB19 0x76 /* Control packet data buffer access window - PB19 */
117#define HDMI_CTRL_PKT_BUF_ACCESS_PB20 0x77 /* Control packet data buffer access window - PB20 */
118#define HDMI_CTRL_PKT_BUF_ACCESS_PB21 0x78 /* Control packet data buffer access window - PB21 */
119#define HDMI_CTRL_PKT_BUF_ACCESS_PB22 0x79 /* Control packet data buffer access window - PB22 */
120#define HDMI_CTRL_PKT_BUF_ACCESS_PB23 0x7A /* Control packet data buffer access window - PB23 */
121#define HDMI_CTRL_PKT_BUF_ACCESS_PB24 0x7B /* Control packet data buffer access window - PB24 */
122#define HDMI_CTRL_PKT_BUF_ACCESS_PB25 0x7C /* Control packet data buffer access window - PB25 */
123#define HDMI_CTRL_PKT_BUF_ACCESS_PB26 0x7D /* Control packet data buffer access window - PB26 */
124#define HDMI_CTRL_PKT_BUF_ACCESS_PB27 0x7E /* Control packet data buffer access window - PB27 */
125#define HDMI_EDID_KSV_FIFO_ACCESS_WINDOW 0x80 /* EDID/KSV FIFO access window */
126#define HDMI_DDC_BUS_ACCESS_FREQ_CTRL_7_0 0x81 /* DDC bus access frequency control (LSB) */
127#define HDMI_DDC_BUS_ACCESS_FREQ_CTRL_15_8 0x82 /* DDC bus access frequency control (MSB) */
128#define HDMI_INTERRUPT_MASK_1 0x92 /* Interrupt mask.1 */
129#define HDMI_INTERRUPT_MASK_2 0x93 /* Interrupt mask.2 */
130#define HDMI_INTERRUPT_STATUS_1 0x94 /* Interrupt status.1 */
131#define HDMI_INTERRUPT_STATUS_2 0x95 /* Interrupt status.2 */
132#define HDMI_INTERRUPT_MASK_3 0x96 /* Interrupt mask.3 */
133#define HDMI_INTERRUPT_MASK_4 0x97 /* Interrupt mask.4 */
134#define HDMI_INTERRUPT_STATUS_3 0x98 /* Interrupt status.3 */
135#define HDMI_INTERRUPT_STATUS_4 0x99 /* Interrupt status.4 */
136#define HDMI_SOFTWARE_HDCP_CONTROL_1 0x9A /* Software HDCP control.1 */
137#define HDMI_FRAME_COUNTER 0x9C /* Frame counter */
138#define HDMI_FRAME_COUNTER_FOR_RI_CHECK 0x9D /* Frame counter for Ri check */
139#define HDMI_HDCP_CONTROL 0xAF /* HDCP control */
140#define HDMI_RI_FRAME_COUNT_REGISTER 0xB2 /* Ri frame count register */
141#define HDMI_DDC_BUS_CONTROL 0xB7 /* DDC bus control */
142#define HDMI_HDCP_STATUS 0xB8 /* HDCP status */
143#define HDMI_SHA0 0xB9 /* sha0 */
144#define HDMI_SHA1 0xBA /* sha1 */
145#define HDMI_SHA2 0xBB /* sha2 */
146#define HDMI_SHA3 0xBC /* sha3 */
147#define HDMI_SHA4 0xBD /* sha4 */
148#define HDMI_BCAPS_READ 0xBE /* BCAPS read / debug */
149#define HDMI_AKSV_BKSV_7_0_MONITOR 0xBF /* AKSV/BKSV[7:0] monitor */
150#define HDMI_AKSV_BKSV_15_8_MONITOR 0xC0 /* AKSV/BKSV[15:8] monitor */
151#define HDMI_AKSV_BKSV_23_16_MONITOR 0xC1 /* AKSV/BKSV[23:16] monitor */
152#define HDMI_AKSV_BKSV_31_24_MONITOR 0xC2 /* AKSV/BKSV[31:24] monitor */
153#define HDMI_AKSV_BKSV_39_32_MONITOR 0xC3 /* AKSV/BKSV[39:32] monitor */
154#define HDMI_EDID_SEGMENT_POINTER 0xC4 /* EDID segment pointer */
155#define HDMI_EDID_WORD_ADDRESS 0xC5 /* EDID word address */
156#define HDMI_EDID_DATA_FIFO_ADDRESS 0xC6 /* EDID data FIFO address */
157#define HDMI_NUM_OF_HDMI_DEVICES 0xC7 /* Number of HDMI devices */
158#define HDMI_HDCP_ERROR_CODE 0xC8 /* HDCP error code */
159#define HDMI_100MS_TIMER_SET 0xC9 /* 100ms timer setting */
160#define HDMI_5SEC_TIMER_SET 0xCA /* 5sec timer setting */
161#define HDMI_RI_READ_COUNT 0xCB /* Ri read count */
162#define HDMI_AN_SEED 0xCC /* An seed */
163#define HDMI_MAX_NUM_OF_RCIVRS_ALLOWED 0xCD /* Maximum number of receivers allowed */
164#define HDMI_HDCP_MEMORY_ACCESS_CONTROL_1 0xCE /* HDCP memory access control.1 */
165#define HDMI_HDCP_MEMORY_ACCESS_CONTROL_2 0xCF /* HDCP memory access control.2 */
166#define HDMI_HDCP_CONTROL_2 0xD0 /* HDCP Control 2 */
167#define HDMI_HDCP_KEY_MEMORY_CONTROL 0xD2 /* HDCP Key Memory Control */
168#define HDMI_COLOR_SPACE_CONV_CONFIG_1 0xD3 /* Color space conversion configuration.1 */
169#define HDMI_VIDEO_SETTING_3 0xD4 /* Video setting.3 */
170#define HDMI_RI_7_0 0xD5 /* Ri[7:0] */
171#define HDMI_RI_15_8 0xD6 /* Ri[15:8] */
172#define HDMI_PJ 0xD7 /* Pj */
173#define HDMI_SHA_RD 0xD8 /* sha_rd */
174#define HDMI_RI_7_0_SAVED 0xD9 /* Ri[7:0] saved */
175#define HDMI_RI_15_8_SAVED 0xDA /* Ri[15:8] saved */
176#define HDMI_PJ_SAVED 0xDB /* Pj saved */
177#define HDMI_NUM_OF_DEVICES 0xDC /* Number of devices */
178#define HDMI_HOT_PLUG_MSENS_STATUS 0xDF /* Hot plug/MSENS status */
179#define HDMI_BCAPS_WRITE 0xE0 /* bcaps */
180#define HDMI_BSTAT_7_0 0xE1 /* bstat[7:0] */
181#define HDMI_BSTAT_15_8 0xE2 /* bstat[15:8] */
182#define HDMI_BKSV_7_0 0xE3 /* bksv[7:0] */
183#define HDMI_BKSV_15_8 0xE4 /* bksv[15:8] */
184#define HDMI_BKSV_23_16 0xE5 /* bksv[23:16] */
185#define HDMI_BKSV_31_24 0xE6 /* bksv[31:24] */
186#define HDMI_BKSV_39_32 0xE7 /* bksv[39:32] */
187#define HDMI_AN_7_0 0xE8 /* An[7:0] */
188#define HDMI_AN_15_8 0xE9 /* An [15:8] */
189#define HDMI_AN_23_16 0xEA /* An [23:16] */
190#define HDMI_AN_31_24 0xEB /* An [31:24] */
191#define HDMI_AN_39_32 0xEC /* An [39:32] */
192#define HDMI_AN_47_40 0xED /* An [47:40] */
193#define HDMI_AN_55_48 0xEE /* An [55:48] */
194#define HDMI_AN_63_56 0xEF /* An [63:56] */
195#define HDMI_PRODUCT_ID 0xF0 /* Product ID */
196#define HDMI_REVISION_ID 0xF1 /* Revision ID */
197#define HDMI_TEST_MODE 0xFE /* Test mode */
198
199enum hotplug_state {
200 HDMI_HOTPLUG_DISCONNECTED,
201 HDMI_HOTPLUG_CONNECTED,
202 HDMI_HOTPLUG_EDID_DONE,
203};
204
205struct sh_hdmi {
206 void __iomem *base;
207 enum hotplug_state hp_state;
208 struct clk *hdmi_clk;
209 struct device *dev;
210 struct fb_info *info;
211 struct delayed_work edid_work;
212 struct fb_var_screeninfo var;
213};
214
215static void hdmi_write(struct sh_hdmi *hdmi, u8 data, u8 reg)
216{
217 iowrite8(data, hdmi->base + reg);
218}
219
220static u8 hdmi_read(struct sh_hdmi *hdmi, u8 reg)
221{
222 return ioread8(hdmi->base + reg);
223}
224
225/* External video parameter settings */
226static void hdmi_external_video_param(struct sh_hdmi *hdmi)
227{
228 struct fb_var_screeninfo *var = &hdmi->var;
229 u16 htotal, hblank, hdelay, vtotal, vblank, vdelay, voffset;
230 u8 sync = 0;
231
232 htotal = var->xres + var->right_margin + var->left_margin + var->hsync_len;
233
234 hdelay = var->hsync_len + var->left_margin;
235 hblank = var->right_margin + hdelay;
236
237 /*
238 * Vertical timing looks a bit different in Figure 18,
239 * but let's try the same first by setting offset = 0
240 */
241 vtotal = var->yres + var->upper_margin + var->lower_margin + var->vsync_len;
242
243 vdelay = var->vsync_len + var->upper_margin;
244 vblank = var->lower_margin + vdelay;
245 voffset = min(var->upper_margin / 2, 6U);
246
247 /*
248 * [3]: VSYNC polarity: Positive
249 * [2]: HSYNC polarity: Positive
250 * [1]: Interlace/Progressive: Progressive
251 * [0]: External video settings enable: used.
252 */
253 if (var->sync & FB_SYNC_HOR_HIGH_ACT)
254 sync |= 4;
255 if (var->sync & FB_SYNC_VERT_HIGH_ACT)
256 sync |= 8;
257
258 pr_debug("H: %u, %u, %u, %u; V: %u, %u, %u, %u; sync 0x%x\n",
259 htotal, hblank, hdelay, var->hsync_len,
260 vtotal, vblank, vdelay, var->vsync_len, sync);
261
262 hdmi_write(hdmi, sync | (voffset << 4), HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS);
263
264 hdmi_write(hdmi, htotal, HDMI_EXTERNAL_H_TOTAL_7_0);
265 hdmi_write(hdmi, htotal >> 8, HDMI_EXTERNAL_H_TOTAL_11_8);
266
267 hdmi_write(hdmi, hblank, HDMI_EXTERNAL_H_BLANK_7_0);
268 hdmi_write(hdmi, hblank >> 8, HDMI_EXTERNAL_H_BLANK_9_8);
269
270 hdmi_write(hdmi, hdelay, HDMI_EXTERNAL_H_DELAY_7_0);
271 hdmi_write(hdmi, hdelay >> 8, HDMI_EXTERNAL_H_DELAY_9_8);
272
273 hdmi_write(hdmi, var->hsync_len, HDMI_EXTERNAL_H_DURATION_7_0);
274 hdmi_write(hdmi, var->hsync_len >> 8, HDMI_EXTERNAL_H_DURATION_9_8);
275
276 hdmi_write(hdmi, vtotal, HDMI_EXTERNAL_V_TOTAL_7_0);
277 hdmi_write(hdmi, vtotal >> 8, HDMI_EXTERNAL_V_TOTAL_9_8);
278
279 hdmi_write(hdmi, vblank, HDMI_EXTERNAL_V_BLANK);
280
281 hdmi_write(hdmi, vdelay, HDMI_EXTERNAL_V_DELAY);
282
283 hdmi_write(hdmi, var->vsync_len, HDMI_EXTERNAL_V_DURATION);
284
285 /* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for manual mode */
286}
287
288/**
289 * sh_hdmi_video_config()
290 */
291static void sh_hdmi_video_config(struct sh_hdmi *hdmi)
292{
293 /*
294 * [7:4]: Audio sampling frequency: 48kHz
295 * [3:1]: Input video format: RGB and YCbCr 4:4:4 (Y on Green)
296 * [0]: Internal/External DE select: internal
297 */
298 hdmi_write(hdmi, 0x20, HDMI_AUDIO_VIDEO_SETTING_1);
299
300 /*
301 * [7:6]: Video output format: RGB 4:4:4
302 * [5:4]: Input video data width: 8 bit
303 * [3:1]: EAV/SAV location: channel 1
304 * [0]: Video input color space: RGB
305 */
306 hdmi_write(hdmi, 0x34, HDMI_VIDEO_SETTING_1);
307
308 /*
309 * [7:6]: Together with bit [6] of HDMI_AUDIO_VIDEO_SETTING_2, which is
310 * left at 0 by default, this configures 24bpp and sets the Color Depth
311 * (CD) field in the General Control Packet
312 */
313 hdmi_write(hdmi, 0x20, HDMI_DEEP_COLOR_MODES);
314}
315
316/**
317 * sh_hdmi_audio_config()
318 */
319static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
320{
321 /*
322 * [7:4] L/R data swap control
323 * [3:0] appropriate N[19:16]
324 */
325 hdmi_write(hdmi, 0x00, HDMI_L_R_DATA_SWAP_CTRL_RPKT);
326 /* appropriate N[15:8] */
327 hdmi_write(hdmi, 0x18, HDMI_20_BIT_N_FOR_AUDIO_RPKT_15_8);
328 /* appropriate N[7:0] */
329 hdmi_write(hdmi, 0x00, HDMI_20_BIT_N_FOR_AUDIO_RPKT_7_0);
330
331 /* [7:4] 48 kHz SPDIF not used */
332 hdmi_write(hdmi, 0x20, HDMI_SPDIF_AUDIO_SAMP_FREQ_CTS);
333
334 /*
335 * [6:5] set required down sampling rate if required
336 * [4:3] set required audio source
337 */
338 hdmi_write(hdmi, 0x00, HDMI_AUDIO_SETTING_1);
339
340 /* [3:0] set sending channel number for channel status */
341 hdmi_write(hdmi, 0x40, HDMI_AUDIO_SETTING_2);
342
343 /*
344 * [5:2] set valid I2S source input pin
345 * [1:0] set input I2S source mode
346 */
347 hdmi_write(hdmi, 0x04, HDMI_I2S_AUDIO_SET);
348
349 /* [7:4] set valid DSD source input pin */
350 hdmi_write(hdmi, 0x00, HDMI_DSD_AUDIO_SET);
351
352 /* [7:0] set appropriate I2S input pin swap settings if required */
353 hdmi_write(hdmi, 0x00, HDMI_I2S_INPUT_PIN_SWAP);
354
355 /*
356 * [7] set validity bit for channel status
357 * [3:0] set original sample frequency for channel status
358 */
359 hdmi_write(hdmi, 0x00, HDMI_AUDIO_STATUS_BITS_SETTING_1);
360
361 /*
362 * [7] set value for channel status
363 * [6] set value for channel status
364 * [5] set copyright bit for channel status
365 * [4:2] set additional information for channel status
366 * [1:0] set clock accuracy for channel status
367 */
368 hdmi_write(hdmi, 0x00, HDMI_AUDIO_STATUS_BITS_SETTING_2);
369
370 /* [7:0] set category code for channel status */
371 hdmi_write(hdmi, 0x00, HDMI_CATEGORY_CODE);
372
373 /*
374 * [7:4] set source number for channel status
375 * [3:0] set word length for channel status
376 */
377 hdmi_write(hdmi, 0x00, HDMI_SOURCE_NUM_AUDIO_WORD_LEN);
378
379 /* [7:4] set sample frequency for channel status */
380 hdmi_write(hdmi, 0x20, HDMI_AUDIO_VIDEO_SETTING_1);
381}
382
383/**
384 * sh_hdmi_phy_config()
385 */
386static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
387{
388 /* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */
389 hdmi_write(hdmi, 0x19, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
390 hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
391 hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3);
392 /* PLLA_CONFIG[7:0]: VCO gain, VCO offset, LPF resistance[0] */
393 hdmi_write(hdmi, 0x44, HDMI_SLIPHDMIT_PARAM_SETTINGS_5);
394 hdmi_write(hdmi, 0x32, HDMI_SLIPHDMIT_PARAM_SETTINGS_6);
395 hdmi_write(hdmi, 0x4A, HDMI_SLIPHDMIT_PARAM_SETTINGS_7);
396 hdmi_write(hdmi, 0x0E, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
397 hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
398 hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
399}
400
401/**
402 * sh_hdmi_avi_infoframe_setup() - Auxiliary Video Information InfoFrame CONTROL PACKET
403 */
404static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi)
405{
406 /* AVI InfoFrame */
407 hdmi_write(hdmi, 0x06, HDMI_CTRL_PKT_BUF_INDEX);
408
409 /* Packet Type = 0x82 */
410 hdmi_write(hdmi, 0x82, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
411
412 /* Version = 0x02 */
413 hdmi_write(hdmi, 0x02, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
414
415 /* Length = 13 (0x0D) */
416 hdmi_write(hdmi, 0x0D, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
417
418 /* N. A. Checksum */
419 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0);
420
421 /*
422 * Y = RGB
423 * A0 = No Data
424 * B = Bar Data not valid
425 * S = No Data
426 */
427 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB1);
428
429 /*
430 * C = No Data
431 * M = 16:9 Picture Aspect Ratio
432 * R = Same as picture aspect ratio
433 */
434 hdmi_write(hdmi, 0x28, HDMI_CTRL_PKT_BUF_ACCESS_PB2);
435
436 /*
437 * ITC = No Data
438 * EC = xvYCC601
439 * Q = Default (depends on video format)
440 * SC = No Known non_uniform Scaling
441 */
442 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3);
443
444 /*
445 * VIC = 1280 x 720p: ignored if external config is used
446 * Send 2 for 720 x 480p, 16 for 1080p
447 */
448 hdmi_write(hdmi, 4, HDMI_CTRL_PKT_BUF_ACCESS_PB4);
449
450 /* PR = No Repetition */
451 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB5);
452
453 /* Line Number of End of Top Bar (lower 8 bits) */
454 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB6);
455
456 /* Line Number of End of Top Bar (upper 8 bits) */
457 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB7);
458
459 /* Line Number of Start of Bottom Bar (lower 8 bits) */
460 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB8);
461
462 /* Line Number of Start of Bottom Bar (upper 8 bits) */
463 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB9);
464
465 /* Pixel Number of End of Left Bar (lower 8 bits) */
466 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB10);
467
468 /* Pixel Number of End of Left Bar (upper 8 bits) */
469 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB11);
470
471 /* Pixel Number of Start of Right Bar (lower 8 bits) */
472 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB12);
473
474 /* Pixel Number of Start of Right Bar (upper 8 bits) */
475 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB13);
476}
477
478/**
479 * sh_hdmi_audio_infoframe_setup() - Audio InfoFrame of CONTROL PACKET
480 */
481static void sh_hdmi_audio_infoframe_setup(struct sh_hdmi *hdmi)
482{
483 /* Audio InfoFrame */
484 hdmi_write(hdmi, 0x08, HDMI_CTRL_PKT_BUF_INDEX);
485
486 /* Packet Type = 0x84 */
487 hdmi_write(hdmi, 0x84, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
488
489 /* Version Number = 0x01 */
490 hdmi_write(hdmi, 0x01, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
491
492 /* 0 Length = 10 (0x0A) */
493 hdmi_write(hdmi, 0x0A, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
494
495 /* n. a. Checksum */
496 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0);
497
498 /* Audio Channel Count = Refer to Stream Header */
499 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB1);
500
501 /* Refer to Stream Header */
502 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB2);
503
504 /* Format depends on coding type (i.e. CT0...CT3) */
505 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3);
506
507 /* Speaker Channel Allocation = Front Right + Front Left */
508 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB4);
509
510 /* Level Shift Value = 0 dB, Down - mix is permitted or no information */
511 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB5);
512
513 /* Reserved (0) */
514 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB6);
515 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB7);
516 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB8);
517 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB9);
518 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB10);
519}
520
521/**
522 * sh_hdmi_gamut_metadata_setup() - Gamut Metadata Packet of CONTROL PACKET
523 */
524static void sh_hdmi_gamut_metadata_setup(struct sh_hdmi *hdmi)
525{
526 int i;
527
528 /* Gamut Metadata Packet */
529 hdmi_write(hdmi, 0x04, HDMI_CTRL_PKT_BUF_INDEX);
530
531 /* Packet Type = 0x0A */
532 hdmi_write(hdmi, 0x0A, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
533 /* Gamut Packet is not used, so default value */
534 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
535 /* Gamut Packet is not used, so default value */
536 hdmi_write(hdmi, 0x10, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
537
538 /* GBD bytes 0 through 27 */
539 for (i = 0; i <= 27; i++)
540 /* HDMI_CTRL_PKT_BUF_ACCESS_PB0_63H - PB27_7EH */
541 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i);
542}
543
544/**
545 * sh_hdmi_acp_setup() - Audio Content Protection Packet (ACP)
546 */
547static void sh_hdmi_acp_setup(struct sh_hdmi *hdmi)
548{
549 int i;
550
551 /* Audio Content Protection Packet (ACP) */
552 hdmi_write(hdmi, 0x01, HDMI_CTRL_PKT_BUF_INDEX);
553
554 /* Packet Type = 0x04 */
555 hdmi_write(hdmi, 0x04, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
556 /* ACP_Type */
557 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
558 /* Reserved (0) */
559 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
560
561 /* GBD bytes 0 through 27 */
562 for (i = 0; i <= 27; i++)
563 /* HDMI_CTRL_PKT_BUF_ACCESS_PB0 - PB27 */
564 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i);
565}
566
567/**
568 * sh_hdmi_isrc1_setup() - ISRC1 Packet
569 */
570static void sh_hdmi_isrc1_setup(struct sh_hdmi *hdmi)
571{
572 int i;
573
574 /* ISRC1 Packet */
575 hdmi_write(hdmi, 0x02, HDMI_CTRL_PKT_BUF_INDEX);
576
577 /* Packet Type = 0x05 */
578 hdmi_write(hdmi, 0x05, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
579 /* ISRC_Cont, ISRC_Valid, Reserved (0), ISRC_Status */
580 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
581 /* Reserved (0) */
582 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
583
584 /* PB0 UPC_EAN_ISRC_0-15 */
585 /* Bytes PB16-PB27 shall be set to a value of 0. */
586 for (i = 0; i <= 27; i++)
587 /* HDMI_CTRL_PKT_BUF_ACCESS_PB0 - PB27 */
588 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i);
589}
590
591/**
592 * sh_hdmi_isrc2_setup() - ISRC2 Packet
593 */
594static void sh_hdmi_isrc2_setup(struct sh_hdmi *hdmi)
595{
596 int i;
597
598 /* ISRC2 Packet */
599 hdmi_write(hdmi, 0x03, HDMI_CTRL_PKT_BUF_INDEX);
600
601 /* HB0 Packet Type = 0x06 */
602 hdmi_write(hdmi, 0x06, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
603 /* Reserved (0) */
604 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
605 /* Reserved (0) */
606 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
607
608 /* PB0 UPC_EAN_ISRC_16-31 */
609 /* Bytes PB16-PB27 shall be set to a value of 0. */
610 for (i = 0; i <= 27; i++)
611 /* HDMI_CTRL_PKT_BUF_ACCESS_PB0 - PB27 */
612 hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i);
613}
614
615/**
616 * sh_hdmi_configure() - Initialise HDMI for output
617 */
618static void sh_hdmi_configure(struct sh_hdmi *hdmi)
619{
620 /* Configure video format */
621 sh_hdmi_video_config(hdmi);
622
623 /* Configure audio format */
624 sh_hdmi_audio_config(hdmi);
625
626 /* Configure PHY */
627 sh_hdmi_phy_config(hdmi);
628
629 /* Auxiliary Video Information (AVI) InfoFrame */
630 sh_hdmi_avi_infoframe_setup(hdmi);
631
632 /* Audio InfoFrame */
633 sh_hdmi_audio_infoframe_setup(hdmi);
634
635 /* Gamut Metadata packet */
636 sh_hdmi_gamut_metadata_setup(hdmi);
637
638 /* Audio Content Protection (ACP) Packet */
639 sh_hdmi_acp_setup(hdmi);
640
641 /* ISRC1 Packet */
642 sh_hdmi_isrc1_setup(hdmi);
643
644 /* ISRC2 Packet */
645 sh_hdmi_isrc2_setup(hdmi);
646
647 /*
648 * Control packet auto send with VSYNC control: auto send
649 * General control, Gamut metadata, ISRC, and ACP packets
650 */
651 hdmi_write(hdmi, 0x8E, HDMI_CTRL_PKT_AUTO_SEND);
652
653 /* FIXME */
654 msleep(10);
655
656 /* PS mode b->d, reset PLLA and PLLB */
657 hdmi_write(hdmi, 0x4C, HDMI_SYSTEM_CTRL);
658
659 udelay(10);
660
661 hdmi_write(hdmi, 0x40, HDMI_SYSTEM_CTRL);
662}
663
664static void sh_hdmi_read_edid(struct sh_hdmi *hdmi)
665{
666 struct fb_var_screeninfo *var = &hdmi->var;
667 struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
668 struct fb_videomode *lcd_cfg = &pdata->lcd_chan->lcd_cfg;
669 unsigned long height = var->height, width = var->width;
670 int i;
671 u8 edid[128];
672
673 /* Read EDID */
674 pr_debug("Read back EDID code:");
675 for (i = 0; i < 128; i++) {
676 edid[i] = hdmi_read(hdmi, HDMI_EDID_KSV_FIFO_ACCESS_WINDOW);
677#ifdef DEBUG
678 if ((i % 16) == 0) {
679 printk(KERN_CONT "\n");
680 printk(KERN_DEBUG "%02X | %02X", i, edid[i]);
681 } else {
682 printk(KERN_CONT " %02X", edid[i]);
683 }
684#endif
685 }
686#ifdef DEBUG
687 printk(KERN_CONT "\n");
688#endif
689 fb_parse_edid(edid, var);
690 pr_debug("%u-%u-%u-%u x %u-%u-%u-%u @ %lu kHz monitor detected\n",
691 var->left_margin, var->xres, var->right_margin, var->hsync_len,
692 var->upper_margin, var->yres, var->lower_margin, var->vsync_len,
693 PICOS2KHZ(var->pixclock));
694
695 /* FIXME: Use user-provided configuration instead of EDID */
696 var->width = width;
697 var->xres = lcd_cfg->xres;
698 var->xres_virtual = lcd_cfg->xres;
699 var->left_margin = lcd_cfg->left_margin;
700 var->right_margin = lcd_cfg->right_margin;
701 var->hsync_len = lcd_cfg->hsync_len;
702 var->height = height;
703 var->yres = lcd_cfg->yres;
704 var->yres_virtual = lcd_cfg->yres * 2;
705 var->upper_margin = lcd_cfg->upper_margin;
706 var->lower_margin = lcd_cfg->lower_margin;
707 var->vsync_len = lcd_cfg->vsync_len;
708 var->sync = lcd_cfg->sync;
709 var->pixclock = lcd_cfg->pixclock;
710
711 hdmi_external_video_param(hdmi);
712}
713
714static irqreturn_t sh_hdmi_hotplug(int irq, void *dev_id)
715{
716 struct sh_hdmi *hdmi = dev_id;
717 u8 status1, status2, mask1, mask2;
718
719 /* mode_b and PLLA and PLLB reset */
720 hdmi_write(hdmi, 0x2C, HDMI_SYSTEM_CTRL);
721
722 /* How long shall reset be held? */
723 udelay(10);
724
725 /* mode_b and PLLA and PLLB reset release */
726 hdmi_write(hdmi, 0x20, HDMI_SYSTEM_CTRL);
727
728 status1 = hdmi_read(hdmi, HDMI_INTERRUPT_STATUS_1);
729 status2 = hdmi_read(hdmi, HDMI_INTERRUPT_STATUS_2);
730
731 mask1 = hdmi_read(hdmi, HDMI_INTERRUPT_MASK_1);
732 mask2 = hdmi_read(hdmi, HDMI_INTERRUPT_MASK_2);
733
734 /* Correct would be to ack only set bits, but the datasheet requires 0xff */
735 hdmi_write(hdmi, 0xFF, HDMI_INTERRUPT_STATUS_1);
736 hdmi_write(hdmi, 0xFF, HDMI_INTERRUPT_STATUS_2);
737
738 if (printk_ratelimit())
739 pr_debug("IRQ #%d: Status #1: 0x%x & 0x%x, #2: 0x%x & 0x%x\n",
740 irq, status1, mask1, status2, mask2);
741
742 if (!((status1 & mask1) | (status2 & mask2))) {
743 return IRQ_NONE;
744 } else if (status1 & 0xc0) {
745 u8 msens;
746
747 /* Datasheet specifies 10ms... */
748 udelay(500);
749
750 msens = hdmi_read(hdmi, HDMI_HOT_PLUG_MSENS_STATUS);
751 pr_debug("MSENS 0x%x\n", msens);
752 /* Check, if hot plug & MSENS pin status are both high */
753 if ((msens & 0xC0) == 0xC0) {
754 /* Display plug in */
755 hdmi->hp_state = HDMI_HOTPLUG_CONNECTED;
756
757 /* Set EDID word address */
758 hdmi_write(hdmi, 0x00, HDMI_EDID_WORD_ADDRESS);
759 /* Set EDID segment pointer */
760 hdmi_write(hdmi, 0x00, HDMI_EDID_SEGMENT_POINTER);
761 /* Enable EDID interrupt */
762 hdmi_write(hdmi, 0xC6, HDMI_INTERRUPT_MASK_1);
763 } else if (!(status1 & 0x80)) {
764 /* Display unplug, beware multiple interrupts */
765 if (hdmi->hp_state != HDMI_HOTPLUG_DISCONNECTED)
766 schedule_delayed_work(&hdmi->edid_work, 0);
767
768 hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED;
769 /* display_off will switch back to mode_a */
770 }
771 } else if (status1 & 2) {
772 /* EDID error interrupt: retry */
773 /* Set EDID word address */
774 hdmi_write(hdmi, 0x00, HDMI_EDID_WORD_ADDRESS);
775 /* Set EDID segment pointer */
776 hdmi_write(hdmi, 0x00, HDMI_EDID_SEGMENT_POINTER);
777 } else if (status1 & 4) {
778 /* Disable EDID interrupt */
779 hdmi_write(hdmi, 0xC0, HDMI_INTERRUPT_MASK_1);
780 hdmi->hp_state = HDMI_HOTPLUG_EDID_DONE;
781 schedule_delayed_work(&hdmi->edid_work, msecs_to_jiffies(10));
782 }
783
784 return IRQ_HANDLED;
785}
786
787static void hdmi_display_on(void *arg, struct fb_info *info)
788{
789 struct sh_hdmi *hdmi = arg;
790 struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
791
792 if (info->var.xres != 1280 || info->var.yres != 720) {
793 dev_warn(info->device, "Unsupported framebuffer geometry %ux%u\n",
794 info->var.xres, info->var.yres);
795 return;
796 }
797
798 pr_debug("%s(%p): state %x\n", __func__, pdata->lcd_dev, info->state);
799 /*
800 * FIXME: not a good place to store fb_info. And we cannot nullify it
801 * even on monitor disconnect. What should the lifecycle be?
802 */
803 hdmi->info = info;
804 switch (hdmi->hp_state) {
805 case HDMI_HOTPLUG_EDID_DONE:
806 /* PS mode d->e. All functions are active */
807 hdmi_write(hdmi, 0x80, HDMI_SYSTEM_CTRL);
808 pr_debug("HDMI running\n");
809 break;
810 case HDMI_HOTPLUG_DISCONNECTED:
811 info->state = FBINFO_STATE_SUSPENDED;
812 default:
813 hdmi->var = info->var;
814 }
815}
816
817static void hdmi_display_off(void *arg)
818{
819 struct sh_hdmi *hdmi = arg;
820 struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
821
822 pr_debug("%s(%p)\n", __func__, pdata->lcd_dev);
823 /* PS mode e->a */
824 hdmi_write(hdmi, 0x10, HDMI_SYSTEM_CTRL);
825}
826
827/* Hotplug interrupt occurred, read EDID */
828static void edid_work_fn(struct work_struct *work)
829{
830 struct sh_hdmi *hdmi = container_of(work, struct sh_hdmi, edid_work.work);
831 struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
832
833 pr_debug("%s(%p): begin, hotplug status %d\n", __func__,
834 pdata->lcd_dev, hdmi->hp_state);
835
836 if (!pdata->lcd_dev)
837 return;
838
839 if (hdmi->hp_state == HDMI_HOTPLUG_EDID_DONE) {
840 pm_runtime_get_sync(hdmi->dev);
841 /* A device has been plugged in */
842 sh_hdmi_read_edid(hdmi);
843 msleep(10);
844 sh_hdmi_configure(hdmi);
845 /* Switched to another (d) power-save mode */
846 msleep(10);
847
848 if (!hdmi->info)
849 return;
850
851 acquire_console_sem();
852
853 /* HDMI plug in */
854 hdmi->info->var = hdmi->var;
855 if (hdmi->info->state != FBINFO_STATE_RUNNING)
856 fb_set_suspend(hdmi->info, 0);
857 else
858 hdmi_display_on(hdmi, hdmi->info);
859
860 release_console_sem();
861 } else {
862 if (!hdmi->info)
863 return;
864
865 acquire_console_sem();
866
867 /* HDMI disconnect */
868 fb_set_suspend(hdmi->info, 1);
869
870 release_console_sem();
871 pm_runtime_put(hdmi->dev);
872 }
873
874 pr_debug("%s(%p): end\n", __func__, pdata->lcd_dev);
875}
876
877static int __init sh_hdmi_probe(struct platform_device *pdev)
878{
879 struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data;
880 struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
881 int irq = platform_get_irq(pdev, 0), ret;
882 struct sh_hdmi *hdmi;
883 long rate;
884
885 if (!res || !pdata || irq < 0)
886 return -ENODEV;
887
888 hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL);
889 if (!hdmi) {
890 dev_err(&pdev->dev, "Cannot allocate device data\n");
891 return -ENOMEM;
892 }
893
894 hdmi->dev = &pdev->dev;
895
896 hdmi->hdmi_clk = clk_get(&pdev->dev, "ick");
897 if (IS_ERR(hdmi->hdmi_clk)) {
898 ret = PTR_ERR(hdmi->hdmi_clk);
899 dev_err(&pdev->dev, "Unable to get clock: %d\n", ret);
900 goto egetclk;
901 }
902
903 rate = PICOS2KHZ(pdata->lcd_chan->lcd_cfg.pixclock) * 1000;
904
905 rate = clk_round_rate(hdmi->hdmi_clk, rate);
906 if (rate < 0) {
907 ret = rate;
908 dev_err(&pdev->dev, "Cannot get suitable rate: %ld\n", rate);
909 goto erate;
910 }
911
912 ret = clk_set_rate(hdmi->hdmi_clk, rate);
913 if (ret < 0) {
914 dev_err(&pdev->dev, "Cannot set rate %ld: %d\n", rate, ret);
915 goto erate;
916 }
917
918 pr_debug("HDMI set frequency %lu\n", rate);
919
920 ret = clk_enable(hdmi->hdmi_clk);
921 if (ret < 0) {
922 dev_err(&pdev->dev, "Cannot enable clock: %d\n", ret);
923 goto eclkenable;
924 }
925
926 dev_info(&pdev->dev, "Enabled HDMI clock at %luHz\n", rate);
927
928 if (!request_mem_region(res->start, resource_size(res), dev_name(&pdev->dev))) {
929 dev_err(&pdev->dev, "HDMI register region already claimed\n");
930 ret = -EBUSY;
931 goto ereqreg;
932 }
933
934 hdmi->base = ioremap(res->start, resource_size(res));
935 if (!hdmi->base) {
936 dev_err(&pdev->dev, "HDMI register region already claimed\n");
937 ret = -ENOMEM;
938 goto emap;
939 }
940
941 platform_set_drvdata(pdev, hdmi);
942
943#if 1
944 /* Product and revision IDs are 0 in sh-mobile version */
945 dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n",
946 hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID));
947#endif
948
949 /* Set up LCDC callbacks */
950 pdata->lcd_chan->board_cfg.board_data = hdmi;
951 pdata->lcd_chan->board_cfg.display_on = hdmi_display_on;
952 pdata->lcd_chan->board_cfg.display_off = hdmi_display_off;
953
954 INIT_DELAYED_WORK(&hdmi->edid_work, edid_work_fn);
955
956 pm_runtime_enable(&pdev->dev);
957 pm_runtime_resume(&pdev->dev);
958
959 ret = request_irq(irq, sh_hdmi_hotplug, 0,
960 dev_name(&pdev->dev), hdmi);
961 if (ret < 0) {
962 dev_err(&pdev->dev, "Unable to request irq: %d\n", ret);
963 goto ereqirq;
964 }
965
966 return 0;
967
968ereqirq:
969 pm_runtime_disable(&pdev->dev);
970 iounmap(hdmi->base);
971emap:
972 release_mem_region(res->start, resource_size(res));
973ereqreg:
974 clk_disable(hdmi->hdmi_clk);
975eclkenable:
976erate:
977 clk_put(hdmi->hdmi_clk);
978egetclk:
979 kfree(hdmi);
980
981 return ret;
982}
983
984static int __exit sh_hdmi_remove(struct platform_device *pdev)
985{
986 struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data;
987 struct sh_hdmi *hdmi = platform_get_drvdata(pdev);
988 struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
989 int irq = platform_get_irq(pdev, 0);
990
991 pdata->lcd_chan->board_cfg.display_on = NULL;
992 pdata->lcd_chan->board_cfg.display_off = NULL;
993 pdata->lcd_chan->board_cfg.board_data = NULL;
994
995 free_irq(irq, hdmi);
996 pm_runtime_disable(&pdev->dev);
997 cancel_delayed_work_sync(&hdmi->edid_work);
998 clk_disable(hdmi->hdmi_clk);
999 clk_put(hdmi->hdmi_clk);
1000 iounmap(hdmi->base);
1001 release_mem_region(res->start, resource_size(res));
1002 kfree(hdmi);
1003
1004 return 0;
1005}
1006
1007static struct platform_driver sh_hdmi_driver = {
1008 .remove = __exit_p(sh_hdmi_remove),
1009 .driver = {
1010 .name = "sh-mobile-hdmi",
1011 },
1012};
1013
1014static int __init sh_hdmi_init(void)
1015{
1016 return platform_driver_probe(&sh_hdmi_driver, sh_hdmi_probe);
1017}
1018module_init(sh_hdmi_init);
1019
1020static void __exit sh_hdmi_exit(void)
1021{
1022 platform_driver_unregister(&sh_hdmi_driver);
1023}
1024module_exit(sh_hdmi_exit);
1025
1026MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>");
1027MODULE_DESCRIPTION("SuperH / ARM-shmobile HDMI driver");
1028MODULE_LICENSE("GPL v2");
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 12c451a711e9..d72075a9f01c 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -56,6 +56,7 @@ static int lcdc_shared_regs[] = {
56/* per-channel registers */ 56/* per-channel registers */
57enum { LDDCKPAT1R, LDDCKPAT2R, LDMT1R, LDMT2R, LDMT3R, LDDFR, LDSM1R, 57enum { LDDCKPAT1R, LDDCKPAT2R, LDMT1R, LDMT2R, LDMT3R, LDDFR, LDSM1R,
58 LDSM2R, LDSA1R, LDMLSR, LDHCNR, LDHSYNR, LDVLNR, LDVSYNR, LDPMR, 58 LDSM2R, LDSA1R, LDMLSR, LDHCNR, LDHSYNR, LDVLNR, LDVSYNR, LDPMR,
59 LDHAJR,
59 NR_CH_REGS }; 60 NR_CH_REGS };
60 61
61static unsigned long lcdc_offs_mainlcd[NR_CH_REGS] = { 62static unsigned long lcdc_offs_mainlcd[NR_CH_REGS] = {
@@ -74,6 +75,7 @@ static unsigned long lcdc_offs_mainlcd[NR_CH_REGS] = {
74 [LDVLNR] = 0x450, 75 [LDVLNR] = 0x450,
75 [LDVSYNR] = 0x454, 76 [LDVSYNR] = 0x454,
76 [LDPMR] = 0x460, 77 [LDPMR] = 0x460,
78 [LDHAJR] = 0x4a0,
77}; 79};
78 80
79static unsigned long lcdc_offs_sublcd[NR_CH_REGS] = { 81static unsigned long lcdc_offs_sublcd[NR_CH_REGS] = {
@@ -137,6 +139,7 @@ struct sh_mobile_lcdc_priv {
137 struct clk *dot_clk; 139 struct clk *dot_clk;
138 unsigned long lddckr; 140 unsigned long lddckr;
139 struct sh_mobile_lcdc_chan ch[2]; 141 struct sh_mobile_lcdc_chan ch[2];
142 struct notifier_block notifier;
140 unsigned long saved_shared_regs[NR_SHARED_REGS]; 143 unsigned long saved_shared_regs[NR_SHARED_REGS];
141 int started; 144 int started;
142}; 145};
@@ -404,6 +407,56 @@ static void sh_mobile_lcdc_start_stop(struct sh_mobile_lcdc_priv *priv,
404 lcdc_write(priv, _LDDCKSTPR, 1); /* stop dotclock */ 407 lcdc_write(priv, _LDDCKSTPR, 1); /* stop dotclock */
405} 408}
406 409
410static void sh_mobile_lcdc_geometry(struct sh_mobile_lcdc_chan *ch)
411{
412 struct fb_var_screeninfo *var = &ch->info->var;
413 unsigned long h_total, hsync_pos;
414 u32 tmp;
415
416 tmp = ch->ldmt1r_value;
417 tmp |= (var->sync & FB_SYNC_VERT_HIGH_ACT) ? 0 : 1 << 28;
418 tmp |= (var->sync & FB_SYNC_HOR_HIGH_ACT) ? 0 : 1 << 27;
419 tmp |= (ch->cfg.flags & LCDC_FLAGS_DWPOL) ? 1 << 26 : 0;
420 tmp |= (ch->cfg.flags & LCDC_FLAGS_DIPOL) ? 1 << 25 : 0;
421 tmp |= (ch->cfg.flags & LCDC_FLAGS_DAPOL) ? 1 << 24 : 0;
422 tmp |= (ch->cfg.flags & LCDC_FLAGS_HSCNT) ? 1 << 17 : 0;
423 tmp |= (ch->cfg.flags & LCDC_FLAGS_DWCNT) ? 1 << 16 : 0;
424 lcdc_write_chan(ch, LDMT1R, tmp);
425
426 /* setup SYS bus */
427 lcdc_write_chan(ch, LDMT2R, ch->cfg.sys_bus_cfg.ldmt2r);
428 lcdc_write_chan(ch, LDMT3R, ch->cfg.sys_bus_cfg.ldmt3r);
429
430 /* horizontal configuration */
431 h_total = var->xres + var->hsync_len +
432 var->left_margin + var->right_margin;
433 tmp = h_total / 8; /* HTCN */
434 tmp |= (var->xres / 8) << 16; /* HDCN */
435 lcdc_write_chan(ch, LDHCNR, tmp);
436
437 hsync_pos = var->xres + var->right_margin;
438 tmp = hsync_pos / 8; /* HSYNP */
439 tmp |= (var->hsync_len / 8) << 16; /* HSYNW */
440 lcdc_write_chan(ch, LDHSYNR, tmp);
441
442 /* vertical configuration */
443 tmp = var->yres + var->vsync_len +
444 var->upper_margin + var->lower_margin; /* VTLN */
445 tmp |= var->yres << 16; /* VDLN */
446 lcdc_write_chan(ch, LDVLNR, tmp);
447
448 tmp = var->yres + var->lower_margin; /* VSYNP */
449 tmp |= var->vsync_len << 16; /* VSYNW */
450 lcdc_write_chan(ch, LDVSYNR, tmp);
451
452 /* Adjust horizontal synchronisation for HDMI */
453 tmp = ((var->xres & 7) << 24) |
454 ((h_total & 7) << 16) |
455 ((var->hsync_len & 7) << 8) |
456 hsync_pos;
457 lcdc_write_chan(ch, LDHAJR, tmp);
458}
459
407static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) 460static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
408{ 461{
409 struct sh_mobile_lcdc_chan *ch; 462 struct sh_mobile_lcdc_chan *ch;
@@ -470,49 +523,11 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
470 if (!ch->enabled) 523 if (!ch->enabled)
471 continue; 524 continue;
472 525
473 tmp = ch->ldmt1r_value; 526 sh_mobile_lcdc_geometry(ch);
474 tmp |= (lcd_cfg->sync & FB_SYNC_VERT_HIGH_ACT) ? 0 : 1 << 28;
475 tmp |= (lcd_cfg->sync & FB_SYNC_HOR_HIGH_ACT) ? 0 : 1 << 27;
476 tmp |= (ch->cfg.flags & LCDC_FLAGS_DWPOL) ? 1 << 26 : 0;
477 tmp |= (ch->cfg.flags & LCDC_FLAGS_DIPOL) ? 1 << 25 : 0;
478 tmp |= (ch->cfg.flags & LCDC_FLAGS_DAPOL) ? 1 << 24 : 0;
479 tmp |= (ch->cfg.flags & LCDC_FLAGS_HSCNT) ? 1 << 17 : 0;
480 tmp |= (ch->cfg.flags & LCDC_FLAGS_DWCNT) ? 1 << 16 : 0;
481 lcdc_write_chan(ch, LDMT1R, tmp);
482
483 /* setup SYS bus */
484 lcdc_write_chan(ch, LDMT2R, ch->cfg.sys_bus_cfg.ldmt2r);
485 lcdc_write_chan(ch, LDMT3R, ch->cfg.sys_bus_cfg.ldmt3r);
486
487 /* horizontal configuration */
488 tmp = lcd_cfg->xres + lcd_cfg->hsync_len;
489 tmp += lcd_cfg->left_margin;
490 tmp += lcd_cfg->right_margin;
491 tmp /= 8; /* HTCN */
492 tmp |= (lcd_cfg->xres / 8) << 16; /* HDCN */
493 lcdc_write_chan(ch, LDHCNR, tmp);
494
495 tmp = lcd_cfg->xres;
496 tmp += lcd_cfg->right_margin;
497 tmp /= 8; /* HSYNP */
498 tmp |= (lcd_cfg->hsync_len / 8) << 16; /* HSYNW */
499 lcdc_write_chan(ch, LDHSYNR, tmp);
500 527
501 /* power supply */ 528 /* power supply */
502 lcdc_write_chan(ch, LDPMR, 0); 529 lcdc_write_chan(ch, LDPMR, 0);
503 530
504 /* vertical configuration */
505 tmp = lcd_cfg->yres + lcd_cfg->vsync_len;
506 tmp += lcd_cfg->upper_margin;
507 tmp += lcd_cfg->lower_margin; /* VTLN */
508 tmp |= lcd_cfg->yres << 16; /* VDLN */
509 lcdc_write_chan(ch, LDVLNR, tmp);
510
511 tmp = lcd_cfg->yres;
512 tmp += lcd_cfg->lower_margin; /* VSYNP */
513 tmp |= lcd_cfg->vsync_len << 16; /* VSYNW */
514 lcdc_write_chan(ch, LDVSYNR, tmp);
515
516 board_cfg = &ch->cfg.board_cfg; 531 board_cfg = &ch->cfg.board_cfg;
517 if (board_cfg->setup_sys) 532 if (board_cfg->setup_sys)
518 ret = board_cfg->setup_sys(board_cfg->board_data, ch, 533 ret = board_cfg->setup_sys(board_cfg->board_data, ch,
@@ -577,7 +592,7 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
577 592
578 board_cfg = &ch->cfg.board_cfg; 593 board_cfg = &ch->cfg.board_cfg;
579 if (board_cfg->display_on) 594 if (board_cfg->display_on)
580 board_cfg->display_on(board_cfg->board_data); 595 board_cfg->display_on(board_cfg->board_data, ch->info);
581 } 596 }
582 597
583 return 0; 598 return 0;
@@ -943,6 +958,62 @@ static const struct dev_pm_ops sh_mobile_lcdc_dev_pm_ops = {
943 .runtime_resume = sh_mobile_lcdc_runtime_resume, 958 .runtime_resume = sh_mobile_lcdc_runtime_resume,
944}; 959};
945 960
961static int sh_mobile_lcdc_notify(struct notifier_block *nb,
962 unsigned long action, void *data)
963{
964 struct fb_event *event = data;
965 struct fb_info *info = event->info;
966 struct sh_mobile_lcdc_chan *ch = info->par;
967 struct sh_mobile_lcdc_board_cfg *board_cfg = &ch->cfg.board_cfg;
968 struct fb_var_screeninfo *var;
969
970 if (&ch->lcdc->notifier != nb)
971 return 0;
972
973 dev_dbg(info->dev, "%s(): action = %lu, data = %p\n",
974 __func__, action, event->data);
975
976 switch(action) {
977 case FB_EVENT_SUSPEND:
978 if (board_cfg->display_off)
979 board_cfg->display_off(board_cfg->board_data);
980 pm_runtime_put(info->device);
981 break;
982 case FB_EVENT_RESUME:
983 var = &info->var;
984
985 /* HDMI must be enabled before LCDC configuration */
986 if (board_cfg->display_on)
987 board_cfg->display_on(board_cfg->board_data, ch->info);
988
989 /* Check if the new display is not in our modelist */
990 if (ch->info->modelist.next &&
991 !fb_match_mode(var, &ch->info->modelist)) {
992 struct fb_videomode mode;
993 int ret;
994
995 /* Can we handle this display? */
996 if (var->xres > ch->cfg.lcd_cfg.xres ||
997 var->yres > ch->cfg.lcd_cfg.yres)
998 return -ENOMEM;
999
1000 /* Add to the modelist */
1001 fb_var_to_videomode(&mode, var);
1002 ret = fb_add_videomode(&mode, &ch->info->modelist);
1003 if (ret < 0)
1004 return ret;
1005 }
1006
1007 pm_runtime_get_sync(info->device);
1008
1009 sh_mobile_lcdc_geometry(ch);
1010
1011 break;
1012 }
1013
1014 return 0;
1015}
1016
946static int sh_mobile_lcdc_remove(struct platform_device *pdev); 1017static int sh_mobile_lcdc_remove(struct platform_device *pdev);
947 1018
948static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev) 1019static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
@@ -1020,15 +1091,19 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
1020 goto err1; 1091 goto err1;
1021 } 1092 }
1022 1093
1094 priv->base = ioremap_nocache(res->start, resource_size(res));
1095 if (!priv->base)
1096 goto err1;
1097
1023 error = sh_mobile_lcdc_setup_clocks(pdev, pdata->clock_source, priv); 1098 error = sh_mobile_lcdc_setup_clocks(pdev, pdata->clock_source, priv);
1024 if (error) { 1099 if (error) {
1025 dev_err(&pdev->dev, "unable to setup clocks\n"); 1100 dev_err(&pdev->dev, "unable to setup clocks\n");
1026 goto err1; 1101 goto err1;
1027 } 1102 }
1028 1103
1029 priv->base = ioremap_nocache(res->start, (res->end - res->start) + 1);
1030
1031 for (i = 0; i < j; i++) { 1104 for (i = 0; i < j; i++) {
1105 struct fb_var_screeninfo *var;
1106 struct fb_videomode *lcd_cfg;
1032 cfg = &priv->ch[i].cfg; 1107 cfg = &priv->ch[i].cfg;
1033 1108
1034 priv->ch[i].info = framebuffer_alloc(0, &pdev->dev); 1109 priv->ch[i].info = framebuffer_alloc(0, &pdev->dev);
@@ -1039,22 +1114,33 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
1039 } 1114 }
1040 1115
1041 info = priv->ch[i].info; 1116 info = priv->ch[i].info;
1117 var = &info->var;
1118 lcd_cfg = &cfg->lcd_cfg;
1042 info->fbops = &sh_mobile_lcdc_ops; 1119 info->fbops = &sh_mobile_lcdc_ops;
1043 info->var.xres = info->var.xres_virtual = cfg->lcd_cfg.xres; 1120 var->xres = var->xres_virtual = lcd_cfg->xres;
1044 info->var.yres = cfg->lcd_cfg.yres; 1121 var->yres = lcd_cfg->yres;
1045 /* Default Y virtual resolution is 2x panel size */ 1122 /* Default Y virtual resolution is 2x panel size */
1046 info->var.yres_virtual = info->var.yres * 2; 1123 var->yres_virtual = var->yres * 2;
1047 info->var.width = cfg->lcd_size_cfg.width; 1124 var->width = cfg->lcd_size_cfg.width;
1048 info->var.height = cfg->lcd_size_cfg.height; 1125 var->height = cfg->lcd_size_cfg.height;
1049 info->var.activate = FB_ACTIVATE_NOW; 1126 var->activate = FB_ACTIVATE_NOW;
1050 error = sh_mobile_lcdc_set_bpp(&info->var, cfg->bpp); 1127 var->left_margin = lcd_cfg->left_margin;
1128 var->right_margin = lcd_cfg->right_margin;
1129 var->upper_margin = lcd_cfg->upper_margin;
1130 var->lower_margin = lcd_cfg->lower_margin;
1131 var->hsync_len = lcd_cfg->hsync_len;
1132 var->vsync_len = lcd_cfg->vsync_len;
1133 var->sync = lcd_cfg->sync;
1134 var->pixclock = lcd_cfg->pixclock;
1135
1136 error = sh_mobile_lcdc_set_bpp(var, cfg->bpp);
1051 if (error) 1137 if (error)
1052 break; 1138 break;
1053 1139
1054 info->fix = sh_mobile_lcdc_fix; 1140 info->fix = sh_mobile_lcdc_fix;
1055 info->fix.line_length = cfg->lcd_cfg.xres * (cfg->bpp / 8); 1141 info->fix.line_length = lcd_cfg->xres * (cfg->bpp / 8);
1056 info->fix.smem_len = info->fix.line_length * 1142 info->fix.smem_len = info->fix.line_length *
1057 info->var.yres_virtual; 1143 var->yres_virtual;
1058 1144
1059 buf = dma_alloc_coherent(&pdev->dev, info->fix.smem_len, 1145 buf = dma_alloc_coherent(&pdev->dev, info->fix.smem_len,
1060 &priv->ch[i].dma_handle, GFP_KERNEL); 1146 &priv->ch[i].dma_handle, GFP_KERNEL);
@@ -1119,10 +1205,14 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
1119 ch->cfg.bpp); 1205 ch->cfg.bpp);
1120 1206
1121 /* deferred io mode: disable clock to save power */ 1207 /* deferred io mode: disable clock to save power */
1122 if (info->fbdefio) 1208 if (info->fbdefio || info->state == FBINFO_STATE_SUSPENDED)
1123 sh_mobile_lcdc_clk_off(priv); 1209 sh_mobile_lcdc_clk_off(priv);
1124 } 1210 }
1125 1211
1212 /* Failure ignored */
1213 priv->notifier.notifier_call = sh_mobile_lcdc_notify;
1214 fb_register_client(&priv->notifier);
1215
1126 return 0; 1216 return 0;
1127err1: 1217err1:
1128 sh_mobile_lcdc_remove(pdev); 1218 sh_mobile_lcdc_remove(pdev);
@@ -1136,6 +1226,8 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev)
1136 struct fb_info *info; 1226 struct fb_info *info;
1137 int i; 1227 int i;
1138 1228
1229 fb_unregister_client(&priv->notifier);
1230
1139 for (i = 0; i < ARRAY_SIZE(priv->ch); i++) 1231 for (i = 0; i < ARRAY_SIZE(priv->ch); i++)
1140 if (priv->ch[i].info && priv->ch[i].info->dev) 1232 if (priv->ch[i].info && priv->ch[i].info->dev)
1141 unregister_framebuffer(priv->ch[i].info); 1233 unregister_framebuffer(priv->ch[i].info);
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-04 05:20:17 -0500