config DRM_USB
tristate
depends on DRM
- depends on USB_ARCH_HAS_HCD
+ depends on USB_SUPPORT && USB_ARCH_HAS_HCD
select USB
- select USB_SUPPORT
config DRM_KMS_HELPER
tristate
GPU memory types. Will be enabled automatically if a device driver
uses it.
+config DRM_GEM_CMA_HELPER
+ bool
+ depends on DRM
+ help
+ Choose this if you need the GEM CMA helper functions
+
+config DRM_KMS_CMA_HELPER
+ bool
+ select DRM_GEM_CMA_HELPER
+ select FB_SYS_FILLRECT
+ select FB_SYS_COPYAREA
+ select FB_SYS_IMAGEBLIT
+ help
+ Choose this if you need the KMS CMA helper functions
+
config DRM_TDFX
tristate "3dfx Banshee/Voodoo3+"
depends on DRM && PCI
source "drivers/gpu/drm/mgag200/Kconfig"
source "drivers/gpu/drm/cirrus/Kconfig"
+
+source "drivers/gpu/drm/shmobile/Kconfig"
drm_trace_points.o drm_global.o drm_prime.o
drm-$(CONFIG_COMPAT) += drm_ioc32.o
+drm-$(CONFIG_DRM_GEM_CMA_HELPER) += drm_gem_cma_helper.o
drm-usb-y := drm_usb.o
drm_kms_helper-y := drm_fb_helper.o drm_crtc_helper.o drm_dp_i2c_helper.o
drm_kms_helper-$(CONFIG_DRM_LOAD_EDID_FIRMWARE) += drm_edid_load.o
+drm_kms_helper-$(CONFIG_DRM_KMS_CMA_HELPER) += drm_fb_cma_helper.o
obj-$(CONFIG_DRM_KMS_HELPER) += drm_kms_helper.o
obj-$(CONFIG_DRM_GMA500) += gma500/
obj-$(CONFIG_DRM_UDL) += udl/
obj-$(CONFIG_DRM_AST) += ast/
+obj-$(CONFIG_DRM_SHMOBILE) +=shmobile/
obj-y += i2c/
{
uint8_t *page_virtual;
unsigned int i;
+ const int size = boot_cpu_data.x86_clflush_size;
if (unlikely(page == NULL))
return;
page_virtual = kmap_atomic(page);
- for (i = 0; i < PAGE_SIZE; i += boot_cpu_data.x86_clflush_size)
+ for (i = 0; i < PAGE_SIZE; i += size)
clflush(page_virtual + i);
kunmap_atomic(page_virtual);
}
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
+ case DRM_FORMAT_NV24:
+ case DRM_FORMAT_NV42:
case DRM_FORMAT_YUV410:
case DRM_FORMAT_YVU410:
case DRM_FORMAT_YUV411:
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
+ case DRM_FORMAT_NV24:
+ case DRM_FORMAT_NV42:
return 2;
default:
return 1;
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
+ case DRM_FORMAT_NV24:
+ case DRM_FORMAT_NV42:
return plane ? 2 : 1;
case DRM_FORMAT_YUV410:
case DRM_FORMAT_YVU410:
DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPROPERTY, drm_mode_connector_property_set_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPBLOB, drm_mode_getblob_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETFB, drm_mode_getfb, DRM_CONTROL_ALLOW|DRM_UNLOCKED),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB2, drm_mode_addfb2, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB2, drm_mode_addfb2, DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_CONTROL_ALLOW|DRM_UNLOCKED),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_PAGE_FLIP, drm_mode_page_flip_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_DIRTYFB, drm_mode_dirtyfb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_CREATE_DUMB, drm_mode_create_dumb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_MAP_DUMB, drm_mode_mmap_dumb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_DESTROY_DUMB, drm_mode_destroy_dumb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_CREATE_DUMB, drm_mode_create_dumb_ioctl, DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_MAP_DUMB, drm_mode_mmap_dumb_ioctl, DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_DESTROY_DUMB, drm_mode_destroy_dumb_ioctl, DRM_CONTROL_ALLOW|DRM_UNLOCKED),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_OBJ_GETPROPERTIES, drm_mode_obj_get_properties_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_OBJ_SETPROPERTY, drm_mode_obj_set_property_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
};
* Sanity check the EDID block (base or extension). Return 0 if the block
* doesn't check out, or 1 if it's valid.
*/
-bool drm_edid_block_valid(u8 *raw_edid, int block)
+bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid)
{
int i;
u8 csum = 0;
for (i = 0; i < EDID_LENGTH; i++)
csum += raw_edid[i];
if (csum) {
- DRM_ERROR("EDID checksum is invalid, remainder is %d\n", csum);
+ if (print_bad_edid) {
+ DRM_ERROR("EDID checksum is invalid, remainder is %d\n", csum);
+ }
/* allow CEA to slide through, switches mangle this */
if (raw_edid[0] != 0x02)
return 1;
bad:
- if (raw_edid) {
+ if (raw_edid && print_bad_edid) {
printk(KERN_ERR "Raw EDID:\n");
print_hex_dump(KERN_ERR, " \t", DUMP_PREFIX_NONE, 16, 1,
raw_edid, EDID_LENGTH, false);
return false;
for (i = 0; i <= edid->extensions; i++)
- if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i))
+ if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true))
return false;
return true;
int block, int len)
{
unsigned char start = block * EDID_LENGTH;
+ unsigned char segment = block >> 1;
+ unsigned char xfers = segment ? 3 : 2;
int ret, retries = 5;
/* The core i2c driver will automatically retry the transfer if the
do {
struct i2c_msg msgs[] = {
{
+ .addr = DDC_SEGMENT_ADDR,
+ .flags = 0,
+ .len = 1,
+ .buf = &segment,
+ }, {
.addr = DDC_ADDR,
.flags = 0,
.len = 1,
.buf = buf,
}
};
- ret = i2c_transfer(adapter, msgs, 2);
+
+ /*
+ * Avoid sending the segment addr to not upset non-compliant ddc
+ * monitors.
+ */
+ ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
+
if (ret == -ENXIO) {
DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
adapter->name);
break;
}
- } while (ret != 2 && --retries);
+ } while (ret != xfers && --retries);
- return ret == 2 ? 0 : -1;
+ return ret == xfers ? 0 : -1;
}
static bool drm_edid_is_zero(u8 *in_edid, int length)
{
int i, j = 0, valid_extensions = 0;
u8 *block, *new;
+ bool print_bad_edid = !connector->bad_edid_counter || (drm_debug & DRM_UT_KMS);
if ((block = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
return NULL;
for (i = 0; i < 4; i++) {
if (drm_do_probe_ddc_edid(adapter, block, 0, EDID_LENGTH))
goto out;
- if (drm_edid_block_valid(block, 0))
+ if (drm_edid_block_valid(block, 0, print_bad_edid))
break;
if (i == 0 && drm_edid_is_zero(block, EDID_LENGTH)) {
connector->null_edid_counter++;
block + (valid_extensions + 1) * EDID_LENGTH,
j, EDID_LENGTH))
goto out;
- if (drm_edid_block_valid(block + (valid_extensions + 1) * EDID_LENGTH, j)) {
+ if (drm_edid_block_valid(block + (valid_extensions + 1) * EDID_LENGTH, j, print_bad_edid)) {
valid_extensions++;
break;
}
return block;
carp:
- dev_warn(connector->dev->dev, "%s: EDID block %d invalid.\n",
- drm_get_connector_name(connector), j);
+ if (print_bad_edid) {
+ dev_warn(connector->dev->dev, "%s: EDID block %d invalid.\n",
+ drm_get_connector_name(connector), j);
+ }
+ connector->bad_edid_counter++;
out:
kfree(block);
return modes;
}
+static int
+cea_db_payload_len(const u8 *db)
+{
+ return db[0] & 0x1f;
+}
+
+static int
+cea_db_tag(const u8 *db)
+{
+ return db[0] >> 5;
+}
+
+static int
+cea_revision(const u8 *cea)
+{
+ return cea[1];
+}
+
+static int
+cea_db_offsets(const u8 *cea, int *start, int *end)
+{
+ /* Data block offset in CEA extension block */
+ *start = 4;
+ *end = cea[2];
+ if (*end == 0)
+ *end = 127;
+ if (*end < 4 || *end > 127)
+ return -ERANGE;
+ return 0;
+}
+
+#define for_each_cea_db(cea, i, start, end) \
+ for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
+
static int
add_cea_modes(struct drm_connector *connector, struct edid *edid)
{
u8 * db, dbl;
int modes = 0;
- if (cea && cea[1] >= 3) {
- for (db = cea + 4; db < cea + cea[2]; db += dbl + 1) {
- dbl = db[0] & 0x1f;
- if (((db[0] & 0xe0) >> 5) == VIDEO_BLOCK)
+ if (cea && cea_revision(cea) >= 3) {
+ int i, start, end;
+
+ if (cea_db_offsets(cea, &start, &end))
+ return 0;
+
+ for_each_cea_db(cea, i, start, end) {
+ db = &cea[i];
+ dbl = cea_db_payload_len(db);
+
+ if (cea_db_tag(db) == VIDEO_BLOCK)
modes += do_cea_modes (connector, db+1, dbl);
}
}
}
static void
-parse_hdmi_vsdb(struct drm_connector *connector, uint8_t *db)
+parse_hdmi_vsdb(struct drm_connector *connector, const u8 *db)
{
- connector->eld[5] |= (db[6] >> 7) << 1; /* Supports_AI */
+ u8 len = cea_db_payload_len(db);
- connector->dvi_dual = db[6] & 1;
- connector->max_tmds_clock = db[7] * 5;
-
- connector->latency_present[0] = db[8] >> 7;
- connector->latency_present[1] = (db[8] >> 6) & 1;
- connector->video_latency[0] = db[9];
- connector->audio_latency[0] = db[10];
- connector->video_latency[1] = db[11];
- connector->audio_latency[1] = db[12];
+ if (len >= 6) {
+ connector->eld[5] |= (db[6] >> 7) << 1; /* Supports_AI */
+ connector->dvi_dual = db[6] & 1;
+ }
+ if (len >= 7)
+ connector->max_tmds_clock = db[7] * 5;
+ if (len >= 8) {
+ connector->latency_present[0] = db[8] >> 7;
+ connector->latency_present[1] = (db[8] >> 6) & 1;
+ }
+ if (len >= 9)
+ connector->video_latency[0] = db[9];
+ if (len >= 10)
+ connector->audio_latency[0] = db[10];
+ if (len >= 11)
+ connector->video_latency[1] = db[11];
+ if (len >= 12)
+ connector->audio_latency[1] = db[12];
DRM_LOG_KMS("HDMI: DVI dual %d, "
"max TMDS clock %d, "
*(u8 **)data = t->data.other_data.data.str.str;
}
+static bool cea_db_is_hdmi_vsdb(const u8 *db)
+{
+ int hdmi_id;
+
+ if (cea_db_tag(db) != VENDOR_BLOCK)
+ return false;
+
+ if (cea_db_payload_len(db) < 5)
+ return false;
+
+ hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
+
+ return hdmi_id == HDMI_IDENTIFIER;
+}
+
/**
* drm_edid_to_eld - build ELD from EDID
* @connector: connector corresponding to the HDMI/DP sink
eld[18] = edid->prod_code[0];
eld[19] = edid->prod_code[1];
- if (cea[1] >= 3)
- for (db = cea + 4; db < cea + cea[2]; db += dbl + 1) {
- dbl = db[0] & 0x1f;
-
- switch ((db[0] & 0xe0) >> 5) {
+ if (cea_revision(cea) >= 3) {
+ int i, start, end;
+
+ if (cea_db_offsets(cea, &start, &end)) {
+ start = 0;
+ end = 0;
+ }
+
+ for_each_cea_db(cea, i, start, end) {
+ db = &cea[i];
+ dbl = cea_db_payload_len(db);
+
+ switch (cea_db_tag(db)) {
case AUDIO_BLOCK:
/* Audio Data Block, contains SADs */
sad_count = dbl / 3;
- memcpy(eld + 20 + mnl, &db[1], dbl);
+ if (dbl >= 1)
+ memcpy(eld + 20 + mnl, &db[1], dbl);
break;
case SPEAKER_BLOCK:
- /* Speaker Allocation Data Block */
- eld[7] = db[1];
+ /* Speaker Allocation Data Block */
+ if (dbl >= 1)
+ eld[7] = db[1];
break;
case VENDOR_BLOCK:
/* HDMI Vendor-Specific Data Block */
- if (db[1] == 0x03 && db[2] == 0x0c && db[3] == 0)
+ if (cea_db_is_hdmi_vsdb(db))
parse_hdmi_vsdb(connector, db);
break;
default:
break;
}
}
+ }
eld[5] |= sad_count << 4;
eld[2] = (20 + mnl + sad_count * 3 + 3) / 4;
bool drm_detect_hdmi_monitor(struct edid *edid)
{
u8 *edid_ext;
- int i, hdmi_id;
+ int i;
int start_offset, end_offset;
- bool is_hdmi = false;
edid_ext = drm_find_cea_extension(edid);
if (!edid_ext)
- goto end;
+ return false;
- /* Data block offset in CEA extension block */
- start_offset = 4;
- end_offset = edid_ext[2];
+ if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
+ return false;
/*
* Because HDMI identifier is in Vendor Specific Block,
* search it from all data blocks of CEA extension.
*/
- for (i = start_offset; i < end_offset;
- /* Increased by data block len */
- i += ((edid_ext[i] & 0x1f) + 1)) {
- /* Find vendor specific block */
- if ((edid_ext[i] >> 5) == VENDOR_BLOCK) {
- hdmi_id = edid_ext[i + 1] | (edid_ext[i + 2] << 8) |
- edid_ext[i + 3] << 16;
- /* Find HDMI identifier */
- if (hdmi_id == HDMI_IDENTIFIER)
- is_hdmi = true;
- break;
- }
+ for_each_cea_db(edid_ext, i, start_offset, end_offset) {
+ if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
+ return true;
}
-end:
- return is_hdmi;
+ return false;
}
EXPORT_SYMBOL(drm_detect_hdmi_monitor);
goto end;
}
- /* Data block offset in CEA extension block */
- start_offset = 4;
- end_offset = edid_ext[2];
+ if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
+ goto end;
- for (i = start_offset; i < end_offset;
- i += ((edid_ext[i] & 0x1f) + 1)) {
- if ((edid_ext[i] >> 5) == AUDIO_BLOCK) {
+ for_each_cea_db(edid_ext, i, start_offset, end_offset) {
+ if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
has_audio = true;
- for (j = 1; j < (edid_ext[i] & 0x1f); j += 3)
+ for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
DRM_DEBUG_KMS("CEA audio format %d\n",
(edid_ext[i + j] >> 3) & 0xf);
goto end;
int fwsize, expected;
int builtin = 0, err = 0;
int i, valid_extensions = 0;
+ bool print_bad_edid = !connector->bad_edid_counter || (drm_debug & DRM_UT_KMS);
pdev = platform_device_register_simple(connector_name, -1, NULL, 0);
if (IS_ERR(pdev)) {
}
memcpy(edid, fwdata, fwsize);
- if (!drm_edid_block_valid(edid, 0)) {
+ if (!drm_edid_block_valid(edid, 0, print_bad_edid)) {
+ connector->bad_edid_counter++;
DRM_ERROR("Base block of EDID firmware \"%s\" is invalid ",
name);
kfree(edid);
if (i != valid_extensions + 1)
memcpy(edid + (valid_extensions + 1) * EDID_LENGTH,
edid + i * EDID_LENGTH, EDID_LENGTH);
- if (drm_edid_block_valid(edid + i * EDID_LENGTH, i))
+ if (drm_edid_block_valid(edid + i * EDID_LENGTH, i, print_bad_edid))
valid_extensions++;
}
976, 1088, 0, 480, 486, 494, 517, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
/* 1024x768@43Hz, interlace */
- { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
+ { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
1208, 1264, 0, 768, 768, 772, 817, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
DRM_MODE_FLAG_INTERLACE) },
{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
1184, 1344, 0, 768, 771, 777, 806, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
- { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
+ { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
1208, 1264, 0, 768, 768, 776, 817, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
{ DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
1430, 1650, 0, 720, 725, 730, 750, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
/* 5 - 1920x1080i@60Hz */
- { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
+ { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
DRM_MODE_FLAG_INTERLACE) },
/* 6 - 1440x480i@60Hz */
- { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1478,
+ { DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1478,
1602, 1716, 0, 480, 488, 494, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
/* 7 - 1440x480i@60Hz */
- { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1478,
+ { DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1478,
1602, 1716, 0, 480, 488, 494, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_DBLCLK) },
/* 10 - 2880x480i@60Hz */
- { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
+ { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
3204, 3432, 0, 480, 488, 494, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_INTERLACE) },
/* 11 - 2880x480i@60Hz */
- { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
+ { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
3204, 3432, 0, 480, 488, 494, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_INTERLACE) },
1760, 1980, 0, 720, 725, 730, 750, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
/* 20 - 1920x1080i@50Hz */
- { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
+ { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
DRM_MODE_FLAG_INTERLACE) },
/* 21 - 1440x576i@50Hz */
- { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1464,
+ { DRM_MODE("1440x576i", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1464,
1590, 1728, 0, 576, 580, 586, 625, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
/* 22 - 1440x576i@50Hz */
- { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1464,
+ { DRM_MODE("1440x576i", DRM_MODE_TYPE_DRIVER, 27000, 1440, 1464,
1590, 1728, 0, 576, 580, 586, 625, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_DBLCLK) },
/* 25 - 2880x576i@50Hz */
- { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
+ { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
3180, 3456, 0, 576, 580, 586, 625, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_INTERLACE) },
/* 26 - 2880x576i@50Hz */
- { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
+ { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
3180, 3456, 0, 576, 580, 586, 625, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_INTERLACE) },
3184, 3456, 0, 576, 581, 586, 625, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
/* 39 - 1920x1080i@50Hz */
- { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
+ { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_INTERLACE) },
/* 40 - 1920x1080i@100Hz */
- { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
+ { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
DRM_MODE_FLAG_INTERLACE) },
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_DBLCLK) },
/* 46 - 1920x1080i@120Hz */
- { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
+ { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
DRM_MODE_FLAG_INTERLACE) },
798, 858, 0, 480, 489, 495, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
/* 50 - 1440x480i@120Hz */
- { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1478,
+ { DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1478,
1602, 1716, 0, 480, 488, 494, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
/* 51 - 1440x480i@120Hz */
- { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1478,
+ { DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1478,
1602, 1716, 0, 480, 488, 494, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
796, 864, 0, 576, 581, 586, 625, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
/* 54 - 1440x576i@200Hz */
- { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 108000, 1440, 1464,
+ { DRM_MODE("1440x576i", DRM_MODE_TYPE_DRIVER, 108000, 1440, 1464,
1590, 1728, 0, 576, 580, 586, 625, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
/* 55 - 1440x576i@200Hz */
- { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 108000, 1440, 1464,
+ { DRM_MODE("1440x576i", DRM_MODE_TYPE_DRIVER, 108000, 1440, 1464,
1590, 1728, 0, 576, 580, 586, 625, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
798, 858, 0, 480, 489, 495, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
/* 58 - 1440x480i@240 */
- { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 108000, 1440, 1478,
+ { DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER, 108000, 1440, 1478,
1602, 1716, 0, 480, 488, 494, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
/* 59 - 1440x480i@240 */
- { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 108000, 1440, 1478,
+ { DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER, 108000, 1440, 1478,
1602, 1716, 0, 480, 488, 494, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK) },
--- /dev/null
+/*
+ * drm kms/fb cma (contiguous memory allocator) helper functions
+ *
+ * Copyright (C) 2012 Analog Device Inc.
+ * Author: Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * Based on udl_fbdev.c
+ * Copyright (C) 2012 Red Hat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_fb_cma_helper.h>
+#include <linux/module.h>
+
+struct drm_fb_cma {
+ struct drm_framebuffer fb;
+ struct drm_gem_cma_object *obj[4];
+};
+
+struct drm_fbdev_cma {
+ struct drm_fb_helper fb_helper;
+ struct drm_fb_cma *fb;
+};
+
+static inline struct drm_fbdev_cma *to_fbdev_cma(struct drm_fb_helper *helper)
+{
+ return container_of(helper, struct drm_fbdev_cma, fb_helper);
+}
+
+static inline struct drm_fb_cma *to_fb_cma(struct drm_framebuffer *fb)
+{
+ return container_of(fb, struct drm_fb_cma, fb);
+}
+
+static void drm_fb_cma_destroy(struct drm_framebuffer *fb)
+{
+ struct drm_fb_cma *fb_cma = to_fb_cma(fb);
+ int i;
+
+ for (i = 0; i < 4; i++) {
+ if (fb_cma->obj[i])
+ drm_gem_object_unreference_unlocked(&fb_cma->obj[i]->base);
+ }
+
+ drm_framebuffer_cleanup(fb);
+ kfree(fb_cma);
+}
+
+static int drm_fb_cma_create_handle(struct drm_framebuffer *fb,
+ struct drm_file *file_priv, unsigned int *handle)
+{
+ struct drm_fb_cma *fb_cma = to_fb_cma(fb);
+
+ return drm_gem_handle_create(file_priv,
+ &fb_cma->obj[0]->base, handle);
+}
+
+static struct drm_framebuffer_funcs drm_fb_cma_funcs = {
+ .destroy = drm_fb_cma_destroy,
+ .create_handle = drm_fb_cma_create_handle,
+};
+
+static struct drm_fb_cma *drm_fb_cma_alloc(struct drm_device *dev,
+ struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_cma_object **obj,
+ unsigned int num_planes)
+{
+ struct drm_fb_cma *fb_cma;
+ int ret;
+ int i;
+
+ fb_cma = kzalloc(sizeof(*fb_cma), GFP_KERNEL);
+ if (!fb_cma)
+ return ERR_PTR(-ENOMEM);
+
+ ret = drm_framebuffer_init(dev, &fb_cma->fb, &drm_fb_cma_funcs);
+ if (ret) {
+ dev_err(dev->dev, "Failed to initalize framebuffer: %d\n", ret);
+ kfree(fb_cma);
+ return ERR_PTR(ret);
+ }
+
+ drm_helper_mode_fill_fb_struct(&fb_cma->fb, mode_cmd);
+
+ for (i = 0; i < num_planes; i++)
+ fb_cma->obj[i] = obj[i];
+
+ return fb_cma;
+}
+
+/**
+ * drm_fb_cma_create() - (struct drm_mode_config_funcs *)->fb_create callback function
+ *
+ * If your hardware has special alignment or pitch requirements these should be
+ * checked before calling this function.
+ */
+struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev,
+ struct drm_file *file_priv, struct drm_mode_fb_cmd2 *mode_cmd)
+{
+ struct drm_fb_cma *fb_cma;
+ struct drm_gem_cma_object *objs[4];
+ struct drm_gem_object *obj;
+ unsigned int hsub;
+ unsigned int vsub;
+ int ret;
+ int i;
+
+ hsub = drm_format_horz_chroma_subsampling(mode_cmd->pixel_format);
+ vsub = drm_format_vert_chroma_subsampling(mode_cmd->pixel_format);
+
+ for (i = 0; i < drm_format_num_planes(mode_cmd->pixel_format); i++) {
+ unsigned int width = mode_cmd->width / (i ? hsub : 1);
+ unsigned int height = mode_cmd->height / (i ? vsub : 1);
+ unsigned int min_size;
+
+ obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[i]);
+ if (!obj) {
+ dev_err(dev->dev, "Failed to lookup GEM object\n");
+ ret = -ENXIO;
+ goto err_gem_object_unreference;
+ }
+
+ min_size = (height - 1) * mode_cmd->pitches[i]
+ + width * drm_format_plane_cpp(mode_cmd->pixel_format, i)
+ + mode_cmd->offsets[i];
+
+ if (obj->size < min_size) {
+ drm_gem_object_unreference_unlocked(obj);
+ ret = -EINVAL;
+ goto err_gem_object_unreference;
+ }
+ objs[i] = to_drm_gem_cma_obj(obj);
+ }
+
+ fb_cma = drm_fb_cma_alloc(dev, mode_cmd, objs, i);
+ if (IS_ERR(fb_cma)) {
+ ret = PTR_ERR(fb_cma);
+ goto err_gem_object_unreference;
+ }
+
+ return &fb_cma->fb;
+
+err_gem_object_unreference:
+ for (i--; i >= 0; i--)
+ drm_gem_object_unreference_unlocked(&objs[i]->base);
+ return ERR_PTR(ret);
+}
+EXPORT_SYMBOL_GPL(drm_fb_cma_create);
+
+/**
+ * drm_fb_cma_get_gem_obj() - Get CMA GEM object for framebuffer
+ * @fb: The framebuffer
+ * @plane: Which plane
+ *
+ * Return the CMA GEM object for given framebuffer.
+ *
+ * This function will usually be called from the CRTC callback functions.
+ */
+struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer *fb,
+ unsigned int plane)
+{
+ struct drm_fb_cma *fb_cma = to_fb_cma(fb);
+
+ if (plane >= 4)
+ return NULL;
+
+ return fb_cma->obj[plane];
+}
+EXPORT_SYMBOL_GPL(drm_fb_cma_get_gem_obj);
+
+static struct fb_ops drm_fbdev_cma_ops = {
+ .owner = THIS_MODULE,
+ .fb_fillrect = sys_fillrect,
+ .fb_copyarea = sys_copyarea,
+ .fb_imageblit = sys_imageblit,
+ .fb_check_var = drm_fb_helper_check_var,
+ .fb_set_par = drm_fb_helper_set_par,
+ .fb_blank = drm_fb_helper_blank,
+ .fb_pan_display = drm_fb_helper_pan_display,
+ .fb_setcmap = drm_fb_helper_setcmap,
+};
+
+static int drm_fbdev_cma_create(struct drm_fb_helper *helper,
+ struct drm_fb_helper_surface_size *sizes)
+{
+ struct drm_fbdev_cma *fbdev_cma = to_fbdev_cma(helper);
+ struct drm_mode_fb_cmd2 mode_cmd = { 0 };
+ struct drm_device *dev = helper->dev;
+ struct drm_gem_cma_object *obj;
+ struct drm_framebuffer *fb;
+ unsigned int bytes_per_pixel;
+ unsigned long offset;
+ struct fb_info *fbi;
+ size_t size;
+ int ret;
+
+ DRM_DEBUG_KMS("surface width(%d), height(%d) and bpp(%d\n",
+ sizes->surface_width, sizes->surface_height,
+ sizes->surface_bpp);
+
+ bytes_per_pixel = DIV_ROUND_UP(sizes->surface_bpp, 8);
+
+ mode_cmd.width = sizes->surface_width;
+ mode_cmd.height = sizes->surface_height;
+ mode_cmd.pitches[0] = sizes->surface_width * bytes_per_pixel;
+ mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
+ sizes->surface_depth);
+
+ size = mode_cmd.pitches[0] * mode_cmd.height;
+ obj = drm_gem_cma_create(dev, size);
+ if (!obj)
+ return -ENOMEM;
+
+ fbi = framebuffer_alloc(0, dev->dev);
+ if (!fbi) {
+ dev_err(dev->dev, "Failed to allocate framebuffer info.\n");
+ ret = -ENOMEM;
+ goto err_drm_gem_cma_free_object;
+ }
+
+ fbdev_cma->fb = drm_fb_cma_alloc(dev, &mode_cmd, &obj, 1);
+ if (IS_ERR(fbdev_cma->fb)) {
+ dev_err(dev->dev, "Failed to allocate DRM framebuffer.\n");
+ ret = PTR_ERR(fbdev_cma->fb);
+ goto err_framebuffer_release;
+ }
+
+ fb = &fbdev_cma->fb->fb;
+ helper->fb = fb;
+ helper->fbdev = fbi;
+
+ fbi->par = helper;
+ fbi->flags = FBINFO_FLAG_DEFAULT;
+ fbi->fbops = &drm_fbdev_cma_ops;
+
+ ret = fb_alloc_cmap(&fbi->cmap, 256, 0);
+ if (ret) {
+ dev_err(dev->dev, "Failed to allocate color map.\n");
+ goto err_drm_fb_cma_destroy;
+ }
+
+ drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->depth);
+ drm_fb_helper_fill_var(fbi, helper, fb->width, fb->height);
+
+ offset = fbi->var.xoffset * bytes_per_pixel;
+ offset += fbi->var.yoffset * fb->pitches[0];
+
+ dev->mode_config.fb_base = (resource_size_t)obj->paddr;
+ fbi->screen_base = obj->vaddr + offset;
+ fbi->fix.smem_start = (unsigned long)(obj->paddr + offset);
+ fbi->screen_size = size;
+ fbi->fix.smem_len = size;
+
+ return 0;
+
+err_drm_fb_cma_destroy:
+ drm_fb_cma_destroy(fb);
+err_framebuffer_release:
+ framebuffer_release(fbi);
+err_drm_gem_cma_free_object:
+ drm_gem_cma_free_object(&obj->base);
+ return ret;
+}
+
+static int drm_fbdev_cma_probe(struct drm_fb_helper *helper,
+ struct drm_fb_helper_surface_size *sizes)
+{
+ int ret = 0;
+
+ if (!helper->fb) {
+ ret = drm_fbdev_cma_create(helper, sizes);
+ if (ret < 0)
+ return ret;
+ ret = 1;
+ }
+
+ return ret;
+}
+
+static struct drm_fb_helper_funcs drm_fb_cma_helper_funcs = {
+ .fb_probe = drm_fbdev_cma_probe,
+};
+
+/**
+ * drm_fbdev_cma_init() - Allocate and initializes a drm_fbdev_cma struct
+ * @dev: DRM device
+ * @preferred_bpp: Preferred bits per pixel for the device
+ * @num_crtc: Number of CRTCs
+ * @max_conn_count: Maximum number of connectors
+ *
+ * Returns a newly allocated drm_fbdev_cma struct or a ERR_PTR.
+ */
+struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev,
+ unsigned int preferred_bpp, unsigned int num_crtc,
+ unsigned int max_conn_count)
+{
+ struct drm_fbdev_cma *fbdev_cma;
+ struct drm_fb_helper *helper;
+ int ret;
+
+ fbdev_cma = kzalloc(sizeof(*fbdev_cma), GFP_KERNEL);
+ if (!fbdev_cma) {
+ dev_err(dev->dev, "Failed to allocate drm fbdev.\n");
+ return ERR_PTR(-ENOMEM);
+ }
+
+ fbdev_cma->fb_helper.funcs = &drm_fb_cma_helper_funcs;
+ helper = &fbdev_cma->fb_helper;
+
+ ret = drm_fb_helper_init(dev, helper, num_crtc, max_conn_count);
+ if (ret < 0) {
+ dev_err(dev->dev, "Failed to initialize drm fb helper.\n");
+ goto err_free;
+ }
+
+ ret = drm_fb_helper_single_add_all_connectors(helper);
+ if (ret < 0) {
+ dev_err(dev->dev, "Failed to add connectors.\n");
+ goto err_drm_fb_helper_fini;
+
+ }
+
+ ret = drm_fb_helper_initial_config(helper, preferred_bpp);
+ if (ret < 0) {
+ dev_err(dev->dev, "Failed to set inital hw configuration.\n");
+ goto err_drm_fb_helper_fini;
+ }
+
+ return fbdev_cma;
+
+err_drm_fb_helper_fini:
+ drm_fb_helper_fini(helper);
+err_free:
+ kfree(fbdev_cma);
+
+ return ERR_PTR(ret);
+}
+EXPORT_SYMBOL_GPL(drm_fbdev_cma_init);
+
+/**
+ * drm_fbdev_cma_fini() - Free drm_fbdev_cma struct
+ * @fbdev_cma: The drm_fbdev_cma struct
+ */
+void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma)
+{
+ if (fbdev_cma->fb_helper.fbdev) {
+ struct fb_info *info;
+ int ret;
+
+ info = fbdev_cma->fb_helper.fbdev;
+ ret = unregister_framebuffer(info);
+ if (ret < 0)
+ DRM_DEBUG_KMS("failed unregister_framebuffer()\n");
+
+ if (info->cmap.len)
+ fb_dealloc_cmap(&info->cmap);
+
+ framebuffer_release(info);
+ }
+
+ if (fbdev_cma->fb)
+ drm_fb_cma_destroy(&fbdev_cma->fb->fb);
+
+ drm_fb_helper_fini(&fbdev_cma->fb_helper);
+ kfree(fbdev_cma);
+}
+EXPORT_SYMBOL_GPL(drm_fbdev_cma_fini);
+
+/**
+ * drm_fbdev_cma_restore_mode() - Restores initial framebuffer mode
+ * @fbdev_cma: The drm_fbdev_cma struct, may be NULL
+ *
+ * This function is usually called from the DRM drivers lastclose callback.
+ */
+void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma)
+{
+ if (fbdev_cma)
+ drm_fb_helper_restore_fbdev_mode(&fbdev_cma->fb_helper);
+}
+EXPORT_SYMBOL_GPL(drm_fbdev_cma_restore_mode);
+
+/**
+ * drm_fbdev_cma_hotplug_event() - Poll for hotpulug events
+ * @fbdev_cma: The drm_fbdev_cma struct, may be NULL
+ *
+ * This function is usually called from the DRM drivers output_poll_changed
+ * callback.
+ */
+void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma)
+{
+ if (fbdev_cma)
+ drm_fb_helper_hotplug_event(&fbdev_cma->fb_helper);
+}
+EXPORT_SYMBOL_GPL(drm_fbdev_cma_hotplug_event);
--- /dev/null
+/*
+ * drm gem CMA (contiguous memory allocator) helper functions
+ *
+ * Copyright (C) 2012 Sascha Hauer, Pengutronix
+ *
+ * Based on Samsung Exynos code
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/mutex.h>
+#include <linux/export.h>
+#include <linux/dma-mapping.h>
+
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include <drm/drm_gem_cma_helper.h>
+
+static unsigned int get_gem_mmap_offset(struct drm_gem_object *obj)
+{
+ return (unsigned int)obj->map_list.hash.key << PAGE_SHIFT;
+}
+
+static void drm_gem_cma_buf_destroy(struct drm_device *drm,
+ struct drm_gem_cma_object *cma_obj)
+{
+ dma_free_writecombine(drm->dev, cma_obj->base.size, cma_obj->vaddr,
+ cma_obj->paddr);
+}
+
+/*
+ * drm_gem_cma_create - allocate an object with the given size
+ *
+ * returns a struct drm_gem_cma_object* on success or ERR_PTR values
+ * on failure.
+ */
+struct drm_gem_cma_object *drm_gem_cma_create(struct drm_device *drm,
+ unsigned int size)
+{
+ struct drm_gem_cma_object *cma_obj;
+ struct drm_gem_object *gem_obj;
+ int ret;
+
+ size = round_up(size, PAGE_SIZE);
+
+ cma_obj = kzalloc(sizeof(*cma_obj), GFP_KERNEL);
+ if (!cma_obj)
+ return ERR_PTR(-ENOMEM);
+
+ cma_obj->vaddr = dma_alloc_writecombine(drm->dev, size,
+ &cma_obj->paddr, GFP_KERNEL | __GFP_NOWARN);
+ if (!cma_obj->vaddr) {
+ dev_err(drm->dev, "failed to allocate buffer with size %d\n", size);
+ ret = -ENOMEM;
+ goto err_dma_alloc;
+ }
+
+ gem_obj = &cma_obj->base;
+
+ ret = drm_gem_object_init(drm, gem_obj, size);
+ if (ret)
+ goto err_obj_init;
+
+ ret = drm_gem_create_mmap_offset(gem_obj);
+ if (ret)
+ goto err_create_mmap_offset;
+
+ return cma_obj;
+
+err_create_mmap_offset:
+ drm_gem_object_release(gem_obj);
+
+err_obj_init:
+ drm_gem_cma_buf_destroy(drm, cma_obj);
+
+err_dma_alloc:
+ kfree(cma_obj);
+
+ return ERR_PTR(ret);
+}
+EXPORT_SYMBOL_GPL(drm_gem_cma_create);
+
+/*
+ * drm_gem_cma_create_with_handle - allocate an object with the given
+ * size and create a gem handle on it
+ *
+ * returns a struct drm_gem_cma_object* on success or ERR_PTR values
+ * on failure.
+ */
+static struct drm_gem_cma_object *drm_gem_cma_create_with_handle(
+ struct drm_file *file_priv,
+ struct drm_device *drm, unsigned int size,
+ unsigned int *handle)
+{
+ struct drm_gem_cma_object *cma_obj;
+ struct drm_gem_object *gem_obj;
+ int ret;
+
+ cma_obj = drm_gem_cma_create(drm, size);
+ if (IS_ERR(cma_obj))
+ return cma_obj;
+
+ gem_obj = &cma_obj->base;
+
+ /*
+ * allocate a id of idr table where the obj is registered
+ * and handle has the id what user can see.
+ */
+ ret = drm_gem_handle_create(file_priv, gem_obj, handle);
+ if (ret)
+ goto err_handle_create;
+
+ /* drop reference from allocate - handle holds it now. */
+ drm_gem_object_unreference_unlocked(gem_obj);
+
+ return cma_obj;
+
+err_handle_create:
+ drm_gem_cma_free_object(gem_obj);
+
+ return ERR_PTR(ret);
+}
+
+/*
+ * drm_gem_cma_free_object - (struct drm_driver)->gem_free_object callback
+ * function
+ */
+void drm_gem_cma_free_object(struct drm_gem_object *gem_obj)
+{
+ struct drm_gem_cma_object *cma_obj;
+
+ if (gem_obj->map_list.map)
+ drm_gem_free_mmap_offset(gem_obj);
+
+ drm_gem_object_release(gem_obj);
+
+ cma_obj = to_drm_gem_cma_obj(gem_obj);
+
+ drm_gem_cma_buf_destroy(gem_obj->dev, cma_obj);
+
+ kfree(cma_obj);
+}
+EXPORT_SYMBOL_GPL(drm_gem_cma_free_object);
+
+/*
+ * drm_gem_cma_dumb_create - (struct drm_driver)->dumb_create callback
+ * function
+ *
+ * This aligns the pitch and size arguments to the minimum required. wrap
+ * this into your own function if you need bigger alignment.
+ */
+int drm_gem_cma_dumb_create(struct drm_file *file_priv,
+ struct drm_device *dev, struct drm_mode_create_dumb *args)
+{
+ struct drm_gem_cma_object *cma_obj;
+ int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
+
+ if (args->pitch < min_pitch)
+ args->pitch = min_pitch;
+
+ if (args->size < args->pitch * args->height)
+ args->size = args->pitch * args->height;
+
+ cma_obj = drm_gem_cma_create_with_handle(file_priv, dev,
+ args->size, &args->handle);
+ if (IS_ERR(cma_obj))
+ return PTR_ERR(cma_obj);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(drm_gem_cma_dumb_create);
+
+/*
+ * drm_gem_cma_dumb_map_offset - (struct drm_driver)->dumb_map_offset callback
+ * function
+ */
+int drm_gem_cma_dumb_map_offset(struct drm_file *file_priv,
+ struct drm_device *drm, uint32_t handle, uint64_t *offset)
+{
+ struct drm_gem_object *gem_obj;
+
+ mutex_lock(&drm->struct_mutex);
+
+ gem_obj = drm_gem_object_lookup(drm, file_priv, handle);
+ if (!gem_obj) {
+ dev_err(drm->dev, "failed to lookup gem object\n");
+ mutex_unlock(&drm->struct_mutex);
+ return -EINVAL;
+ }
+
+ *offset = get_gem_mmap_offset(gem_obj);
+
+ drm_gem_object_unreference(gem_obj);
+
+ mutex_unlock(&drm->struct_mutex);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(drm_gem_cma_dumb_map_offset);
+
+const struct vm_operations_struct drm_gem_cma_vm_ops = {
+ .open = drm_gem_vm_open,
+ .close = drm_gem_vm_close,
+};
+EXPORT_SYMBOL_GPL(drm_gem_cma_vm_ops);
+
+/*
+ * drm_gem_cma_mmap - (struct file_operation)->mmap callback function
+ */
+int drm_gem_cma_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+ struct drm_gem_object *gem_obj;
+ struct drm_gem_cma_object *cma_obj;
+ int ret;
+
+ ret = drm_gem_mmap(filp, vma);
+ if (ret)
+ return ret;
+
+ gem_obj = vma->vm_private_data;
+ cma_obj = to_drm_gem_cma_obj(gem_obj);
+
+ ret = remap_pfn_range(vma, vma->vm_start, cma_obj->paddr >> PAGE_SHIFT,
+ vma->vm_end - vma->vm_start, vma->vm_page_prot);
+ if (ret)
+ drm_gem_vm_close(vma);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(drm_gem_cma_mmap);
+
+/*
+ * drm_gem_cma_dumb_destroy - (struct drm_driver)->dumb_destroy callback function
+ */
+int drm_gem_cma_dumb_destroy(struct drm_file *file_priv,
+ struct drm_device *drm, unsigned int handle)
+{
+ return drm_gem_handle_delete(file_priv, handle);
+}
+EXPORT_SYMBOL_GPL(drm_gem_cma_dumb_destroy);
offset = drm_core_get_reg_ofs(dev);
vma->vm_flags |= VM_IO; /* not in core dump */
vma->vm_page_prot = drm_io_prot(map->type, vma);
-#if !defined(__arm__)
if (io_remap_pfn_range(vma, vma->vm_start,
(map->offset + offset) >> PAGE_SHIFT,
vma->vm_end - vma->vm_start,
vma->vm_page_prot))
return -EAGAIN;
-#else
- if (remap_pfn_range(vma, vma->vm_start,
- (map->offset + offset) >> PAGE_SHIFT,
- vma->vm_end - vma->vm_start,
- vma->vm_page_prot))
- return -EAGAIN;
-#endif
-
DRM_DEBUG(" Type = %d; start = 0x%lx, end = 0x%lx,"
" offset = 0x%llx\n",
map->type,
{
struct psb_intel_encoder *psb_intel_encoder =
psb_intel_attached_encoder(connector);
- struct psb_intel_connector *psb_intel_connector =
- to_psb_intel_connector(connector);
struct mid_intel_hdmi_priv *hdmi_priv = psb_intel_encoder->dev_priv;
struct edid *edid = NULL;
enum drm_connector_status status = connector_status_disconnected;
if (ret)
return ret;
- NV_DEBUG_KMS(dev, "status %02x %02x %02x %02x %02x %02x\n",
- dp->stat[0], dp->stat[1], dp->stat[2], dp->stat[3],
- dp->stat[4], dp->stat[5]);
+ NV_DEBUG_KMS(dev, "status %*ph\n", 6, dp->stat);
return 0;
}
return false;
}
- DRM_DEBUG_KMS("link status %02x %02x %02x %02x %02x %02x\n",
- link_status[0], link_status[1], link_status[2],
- link_status[3], link_status[4], link_status[5]);
+ DRM_DEBUG_KMS("link status %*ph\n", 6, link_status);
return true;
}
--- /dev/null
+config DRM_SHMOBILE
+ tristate "DRM Support for SH Mobile"
+ depends on DRM && (SUPERH || ARCH_SHMOBILE)
+ select DRM_KMS_HELPER
+ select DRM_KMS_CMA_HELPER
+ select DRM_GEM_CMA_HELPER
+ help
+ Choose this option if you have an SH Mobile chipset.
+ If M is selected the module will be called shmob-drm.
+
--- /dev/null
+shmob-drm-y := shmob_drm_backlight.o \
+ shmob_drm_crtc.o \
+ shmob_drm_drv.o \
+ shmob_drm_kms.o \
+ shmob_drm_plane.o
+
+obj-$(CONFIG_DRM_SHMOBILE) += shmob-drm.o
--- /dev/null
+/*
+ * shmob_drm_backlight.c -- SH Mobile DRM Backlight
+ *
+ * Copyright (C) 2012 Renesas Corporation
+ *
+ * Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/backlight.h>
+
+#include "shmob_drm_backlight.h"
+#include "shmob_drm_crtc.h"
+#include "shmob_drm_drv.h"
+
+static int shmob_drm_backlight_update(struct backlight_device *bdev)
+{
+ struct shmob_drm_connector *scon = bl_get_data(bdev);
+ struct shmob_drm_device *sdev = scon->connector.dev->dev_private;
+ const struct shmob_drm_backlight_data *bdata = &sdev->pdata->backlight;
+ int brightness = bdev->props.brightness;
+
+ if (bdev->props.power != FB_BLANK_UNBLANK ||
+ bdev->props.state & BL_CORE_SUSPENDED)
+ brightness = 0;
+
+ return bdata->set_brightness(brightness);
+}
+
+static int shmob_drm_backlight_get_brightness(struct backlight_device *bdev)
+{
+ struct shmob_drm_connector *scon = bl_get_data(bdev);
+ struct shmob_drm_device *sdev = scon->connector.dev->dev_private;
+ const struct shmob_drm_backlight_data *bdata = &sdev->pdata->backlight;
+
+ return bdata->get_brightness();
+}
+
+static const struct backlight_ops shmob_drm_backlight_ops = {
+ .options = BL_CORE_SUSPENDRESUME,
+ .update_status = shmob_drm_backlight_update,
+ .get_brightness = shmob_drm_backlight_get_brightness,
+};
+
+void shmob_drm_backlight_dpms(struct shmob_drm_connector *scon, int mode)
+{
+ if (scon->backlight == NULL)
+ return;
+
+ scon->backlight->props.power = mode == DRM_MODE_DPMS_ON
+ ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
+ backlight_update_status(scon->backlight);
+}
+
+int shmob_drm_backlight_init(struct shmob_drm_connector *scon)
+{
+ struct shmob_drm_device *sdev = scon->connector.dev->dev_private;
+ const struct shmob_drm_backlight_data *bdata = &sdev->pdata->backlight;
+ struct drm_connector *connector = &scon->connector;
+ struct drm_device *dev = connector->dev;
+ struct backlight_device *backlight;
+
+ if (!bdata->max_brightness)
+ return 0;
+
+ backlight = backlight_device_register(bdata->name, dev->dev, scon,
+ &shmob_drm_backlight_ops, NULL);
+ if (IS_ERR(backlight)) {
+ dev_err(dev->dev, "unable to register backlight device: %ld\n",
+ PTR_ERR(backlight));
+ return PTR_ERR(backlight);
+ }
+
+ backlight->props.max_brightness = bdata->max_brightness;
+ backlight->props.brightness = bdata->max_brightness;
+ backlight->props.power = FB_BLANK_POWERDOWN;
+ backlight_update_status(backlight);
+
+ scon->backlight = backlight;
+ return 0;
+}
+
+void shmob_drm_backlight_exit(struct shmob_drm_connector *scon)
+{
+ backlight_device_unregister(scon->backlight);
+}
--- /dev/null
+/*
+ * shmob_drm_backlight.h -- SH Mobile DRM Backlight
+ *
+ * Copyright (C) 2012 Renesas Corporation
+ *
+ * Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __SHMOB_DRM_BACKLIGHT_H__
+#define __SHMOB_DRM_BACKLIGHT_H__
+
+struct shmob_drm_connector;
+
+void shmob_drm_backlight_dpms(struct shmob_drm_connector *scon, int mode);
+int shmob_drm_backlight_init(struct shmob_drm_connector *scon);
+void shmob_drm_backlight_exit(struct shmob_drm_connector *scon);
+
+#endif /* __SHMOB_DRM_BACKLIGHT_H__ */
--- /dev/null
+/*
+ * shmob_drm_crtc.c -- SH Mobile DRM CRTCs
+ *
+ * Copyright (C) 2012 Renesas Corporation
+ *
+ * Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/backlight.h>
+#include <linux/clk.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_gem_cma_helper.h>
+
+#include <video/sh_mobile_meram.h>
+
+#include "shmob_drm_backlight.h"
+#include "shmob_drm_crtc.h"
+#include "shmob_drm_drv.h"
+#include "shmob_drm_kms.h"
+#include "shmob_drm_plane.h"
+#include "shmob_drm_regs.h"
+
+/*
+ * TODO: panel support
+ */
+
+/* -----------------------------------------------------------------------------
+ * Clock management
+ */
+
+static void shmob_drm_clk_on(struct shmob_drm_device *sdev)
+{
+ if (sdev->clock)
+ clk_enable(sdev->clock);
+#if 0
+ if (sdev->meram_dev && sdev->meram_dev->pdev)
+ pm_runtime_get_sync(&sdev->meram_dev->pdev->dev);
+#endif
+}
+
+static void shmob_drm_clk_off(struct shmob_drm_device *sdev)
+{
+#if 0
+ if (sdev->meram_dev && sdev->meram_dev->pdev)
+ pm_runtime_put_sync(&sdev->meram_dev->pdev->dev);
+#endif
+ if (sdev->clock)
+ clk_disable(sdev->clock);
+}
+
+/* -----------------------------------------------------------------------------
+ * CRTC
+ */
+
+static void shmob_drm_crtc_setup_geometry(struct shmob_drm_crtc *scrtc)
+{
+ struct drm_crtc *crtc = &scrtc->crtc;
+ struct shmob_drm_device *sdev = crtc->dev->dev_private;
+ const struct shmob_drm_interface_data *idata = &sdev->pdata->iface;
+ const struct drm_display_mode *mode = &crtc->mode;
+ u32 value;
+
+ value = sdev->ldmt1r
+ | ((mode->flags & DRM_MODE_FLAG_PVSYNC) ? 0 : LDMT1R_VPOL)
+ | ((mode->flags & DRM_MODE_FLAG_PHSYNC) ? 0 : LDMT1R_HPOL)
+ | ((idata->flags & SHMOB_DRM_IFACE_FL_DWPOL) ? LDMT1R_DWPOL : 0)
+ | ((idata->flags & SHMOB_DRM_IFACE_FL_DIPOL) ? LDMT1R_DIPOL : 0)
+ | ((idata->flags & SHMOB_DRM_IFACE_FL_DAPOL) ? LDMT1R_DAPOL : 0)
+ | ((idata->flags & SHMOB_DRM_IFACE_FL_HSCNT) ? LDMT1R_HSCNT : 0)
+ | ((idata->flags & SHMOB_DRM_IFACE_FL_DWCNT) ? LDMT1R_DWCNT : 0);
+ lcdc_write(sdev, LDMT1R, value);
+
+ if (idata->interface >= SHMOB_DRM_IFACE_SYS8A &&
+ idata->interface <= SHMOB_DRM_IFACE_SYS24) {
+ /* Setup SYS bus. */
+ value = (idata->sys.cs_setup << LDMT2R_CSUP_SHIFT)
+ | (idata->sys.vsync_active_high ? LDMT2R_RSV : 0)
+ | (idata->sys.vsync_dir_input ? LDMT2R_VSEL : 0)
+ | (idata->sys.write_setup << LDMT2R_WCSC_SHIFT)
+ | (idata->sys.write_cycle << LDMT2R_WCEC_SHIFT)
+ | (idata->sys.write_strobe << LDMT2R_WCLW_SHIFT);
+ lcdc_write(sdev, LDMT2R, value);
+
+ value = (idata->sys.read_latch << LDMT3R_RDLC_SHIFT)
+ | (idata->sys.read_setup << LDMT3R_RCSC_SHIFT)
+ | (idata->sys.read_cycle << LDMT3R_RCEC_SHIFT)
+ | (idata->sys.read_strobe << LDMT3R_RCLW_SHIFT);
+ lcdc_write(sdev, LDMT3R, value);
+ }
+
+ value = ((mode->hdisplay / 8) << 16) /* HDCN */
+ | (mode->htotal / 8); /* HTCN */
+ lcdc_write(sdev, LDHCNR, value);
+
+ value = (((mode->hsync_end - mode->hsync_start) / 8) << 16) /* HSYNW */
+ | (mode->hsync_start / 8); /* HSYNP */
+ lcdc_write(sdev, LDHSYNR, value);
+
+ value = ((mode->hdisplay & 7) << 24) | ((mode->htotal & 7) << 16)
+ | (((mode->hsync_end - mode->hsync_start) & 7) << 8)
+ | (mode->hsync_start & 7);
+ lcdc_write(sdev, LDHAJR, value);
+
+ value = ((mode->vdisplay) << 16) /* VDLN */
+ | mode->vtotal; /* VTLN */
+ lcdc_write(sdev, LDVLNR, value);
+
+ value = ((mode->vsync_end - mode->vsync_start) << 16) /* VSYNW */
+ | mode->vsync_start; /* VSYNP */
+ lcdc_write(sdev, LDVSYNR, value);
+}
+
+static void shmob_drm_crtc_start_stop(struct shmob_drm_crtc *scrtc, bool start)
+{
+ struct shmob_drm_device *sdev = scrtc->crtc.dev->dev_private;
+ u32 value;
+
+ value = lcdc_read(sdev, LDCNT2R);
+ if (start)
+ lcdc_write(sdev, LDCNT2R, value | LDCNT2R_DO);
+ else
+ lcdc_write(sdev, LDCNT2R, value & ~LDCNT2R_DO);
+
+ /* Wait until power is applied/stopped. */
+ while (1) {
+ value = lcdc_read(sdev, LDPMR) & LDPMR_LPS;
+ if ((start && value) || (!start && !value))
+ break;
+
+ cpu_relax();
+ }
+
+ if (!start) {
+ /* Stop the dot clock. */
+ lcdc_write(sdev, LDDCKSTPR, LDDCKSTPR_DCKSTP);
+ }
+}
+
+/*
+ * shmob_drm_crtc_start - Configure and start the LCDC
+ * @scrtc: the SH Mobile CRTC
+ *
+ * Configure and start the LCDC device. External devices (clocks, MERAM, panels,
+ * ...) are not touched by this function.
+ */
+static void shmob_drm_crtc_start(struct shmob_drm_crtc *scrtc)
+{
+ struct drm_crtc *crtc = &scrtc->crtc;
+ struct shmob_drm_device *sdev = crtc->dev->dev_private;
+ const struct shmob_drm_interface_data *idata = &sdev->pdata->iface;
+ const struct shmob_drm_format_info *format;
+ struct drm_device *dev = sdev->ddev;
+ struct drm_plane *plane;
+ u32 value;
+
+ if (scrtc->started)
+ return;
+
+ format = shmob_drm_format_info(crtc->fb->pixel_format);
+ if (WARN_ON(format == NULL))
+ return;
+
+ /* Enable clocks before accessing the hardware. */
+ shmob_drm_clk_on(sdev);
+
+ /* Reset and enable the LCDC. */
+ lcdc_write(sdev, LDCNT2R, lcdc_read(sdev, LDCNT2R) | LDCNT2R_BR);
+ lcdc_wait_bit(sdev, LDCNT2R, LDCNT2R_BR, 0);
+ lcdc_write(sdev, LDCNT2R, LDCNT2R_ME);
+
+ /* Stop the LCDC first and disable all interrupts. */
+ shmob_drm_crtc_start_stop(scrtc, false);
+ lcdc_write(sdev, LDINTR, 0);
+
+ /* Configure power supply, dot clocks and start them. */
+ lcdc_write(sdev, LDPMR, 0);
+
+ value = sdev->lddckr;
+ if (idata->clk_div) {
+ /* FIXME: sh7724 can only use 42, 48, 54 and 60 for the divider
+ * denominator.
+ */
+ lcdc_write(sdev, LDDCKPAT1R, 0);
+ lcdc_write(sdev, LDDCKPAT2R, (1 << (idata->clk_div / 2)) - 1);
+
+ if (idata->clk_div == 1)
+ value |= LDDCKR_MOSEL;
+ else
+ value |= idata->clk_div;
+ }
+
+ lcdc_write(sdev, LDDCKR, value);
+ lcdc_write(sdev, LDDCKSTPR, 0);
+ lcdc_wait_bit(sdev, LDDCKSTPR, ~0, 0);
+
+ /* TODO: Setup SYS panel */
+
+ /* Setup geometry, format, frame buffer memory and operation mode. */
+ shmob_drm_crtc_setup_geometry(scrtc);
+
+ /* TODO: Handle YUV colorspaces. Hardcode REC709 for now. */
+ lcdc_write(sdev, LDDFR, format->lddfr | LDDFR_CF1);
+ lcdc_write(sdev, LDMLSR, scrtc->line_size);
+ lcdc_write(sdev, LDSA1R, scrtc->dma[0]);
+ if (format->yuv)
+ lcdc_write(sdev, LDSA2R, scrtc->dma[1]);
+ lcdc_write(sdev, LDSM1R, 0);
+
+ /* Word and long word swap. */
+ switch (format->fourcc) {
+ case DRM_FORMAT_RGB565:
+ case DRM_FORMAT_NV21:
+ case DRM_FORMAT_NV61:
+ case DRM_FORMAT_NV42:
+ value = LDDDSR_LS | LDDDSR_WS;
+ break;
+ case DRM_FORMAT_RGB888:
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_NV16:
+ case DRM_FORMAT_NV24:
+ value = LDDDSR_LS | LDDDSR_WS | LDDDSR_BS;
+ break;
+ case DRM_FORMAT_ARGB8888:
+ default:
+ value = LDDDSR_LS;
+ break;
+ }
+ lcdc_write(sdev, LDDDSR, value);
+
+ /* Setup planes. */
+ list_for_each_entry(plane, &dev->mode_config.plane_list, head) {
+ if (plane->crtc == crtc)
+ shmob_drm_plane_setup(plane);
+ }
+
+ /* Enable the display output. */
+ lcdc_write(sdev, LDCNT1R, LDCNT1R_DE);
+
+ shmob_drm_crtc_start_stop(scrtc, true);
+
+ scrtc->started = true;
+}
+
+static void shmob_drm_crtc_stop(struct shmob_drm_crtc *scrtc)
+{
+ struct drm_crtc *crtc = &scrtc->crtc;
+ struct shmob_drm_device *sdev = crtc->dev->dev_private;
+
+ if (!scrtc->started)
+ return;
+
+ /* Disable the MERAM cache. */
+ if (scrtc->cache) {
+ sh_mobile_meram_cache_free(sdev->meram, scrtc->cache);
+ scrtc->cache = NULL;
+ }
+
+ /* Stop the LCDC. */
+ shmob_drm_crtc_start_stop(scrtc, false);
+
+ /* Disable the display output. */
+ lcdc_write(sdev, LDCNT1R, 0);
+
+ /* Stop clocks. */
+ shmob_drm_clk_off(sdev);
+
+ scrtc->started = false;
+}
+
+void shmob_drm_crtc_suspend(struct shmob_drm_crtc *scrtc)
+{
+ shmob_drm_crtc_stop(scrtc);
+}
+
+void shmob_drm_crtc_resume(struct shmob_drm_crtc *scrtc)
+{
+ if (scrtc->dpms != DRM_MODE_DPMS_ON)
+ return;
+
+ shmob_drm_crtc_start(scrtc);
+}
+
+static void shmob_drm_crtc_compute_base(struct shmob_drm_crtc *scrtc,
+ int x, int y)
+{
+ struct drm_crtc *crtc = &scrtc->crtc;
+ struct drm_framebuffer *fb = crtc->fb;
+ struct shmob_drm_device *sdev = crtc->dev->dev_private;
+ struct drm_gem_cma_object *gem;
+ unsigned int bpp;
+
+ bpp = scrtc->format->yuv ? 8 : scrtc->format->bpp;
+ gem = drm_fb_cma_get_gem_obj(fb, 0);
+ scrtc->dma[0] = gem->paddr + fb->offsets[0]
+ + y * fb->pitches[0] + x * bpp / 8;
+
+ if (scrtc->format->yuv) {
+ bpp = scrtc->format->bpp - 8;
+ gem = drm_fb_cma_get_gem_obj(fb, 1);
+ scrtc->dma[1] = gem->paddr + fb->offsets[1]
+ + y / (bpp == 4 ? 2 : 1) * fb->pitches[1]
+ + x * (bpp == 16 ? 2 : 1);
+ }
+
+ if (scrtc->cache)
+ sh_mobile_meram_cache_update(sdev->meram, scrtc->cache,
+ scrtc->dma[0], scrtc->dma[1],
+ &scrtc->dma[0], &scrtc->dma[1]);
+}
+
+static void shmob_drm_crtc_update_base(struct shmob_drm_crtc *scrtc)
+{
+ struct drm_crtc *crtc = &scrtc->crtc;
+ struct shmob_drm_device *sdev = crtc->dev->dev_private;
+
+ shmob_drm_crtc_compute_base(scrtc, crtc->x, crtc->y);
+
+ lcdc_write_mirror(sdev, LDSA1R, scrtc->dma[0]);
+ if (scrtc->format->yuv)
+ lcdc_write_mirror(sdev, LDSA2R, scrtc->dma[1]);
+
+ lcdc_write(sdev, LDRCNTR, lcdc_read(sdev, LDRCNTR) ^ LDRCNTR_MRS);
+}
+
+#define to_shmob_crtc(c) container_of(c, struct shmob_drm_crtc, crtc)
+
+static void shmob_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+ struct shmob_drm_crtc *scrtc = to_shmob_crtc(crtc);
+
+ if (scrtc->dpms == mode)
+ return;
+
+ if (mode == DRM_MODE_DPMS_ON)
+ shmob_drm_crtc_start(scrtc);
+ else
+ shmob_drm_crtc_stop(scrtc);
+
+ scrtc->dpms = mode;
+}
+
+static bool shmob_drm_crtc_mode_fixup(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ return true;
+}
+
+static void shmob_drm_crtc_mode_prepare(struct drm_crtc *crtc)
+{
+ shmob_drm_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
+}
+
+static int shmob_drm_crtc_mode_set(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode,
+ int x, int y,
+ struct drm_framebuffer *old_fb)
+{
+ struct shmob_drm_crtc *scrtc = to_shmob_crtc(crtc);
+ struct shmob_drm_device *sdev = crtc->dev->dev_private;
+ const struct sh_mobile_meram_cfg *mdata = sdev->pdata->meram;
+ const struct shmob_drm_format_info *format;
+ void *cache;
+
+ format = shmob_drm_format_info(crtc->fb->pixel_format);
+ if (format == NULL) {
+ dev_dbg(sdev->dev, "mode_set: unsupported format %08x\n",
+ crtc->fb->pixel_format);
+ return -EINVAL;
+ }
+
+ scrtc->format = format;
+ scrtc->line_size = crtc->fb->pitches[0];
+
+ if (sdev->meram) {
+ /* Enable MERAM cache if configured. We need to de-init
+ * configured ICBs before we can re-initialize them.
+ */
+ if (scrtc->cache) {
+ sh_mobile_meram_cache_free(sdev->meram, scrtc->cache);
+ scrtc->cache = NULL;
+ }
+
+ cache = sh_mobile_meram_cache_alloc(sdev->meram, mdata,
+ crtc->fb->pitches[0],
+ adjusted_mode->vdisplay,
+ format->meram,
+ &scrtc->line_size);
+ if (!IS_ERR(cache))
+ scrtc->cache = cache;
+ }
+
+ shmob_drm_crtc_compute_base(scrtc, x, y);
+
+ return 0;
+}
+
+static void shmob_drm_crtc_mode_commit(struct drm_crtc *crtc)
+{
+ shmob_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
+}
+
+static int shmob_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
+ struct drm_framebuffer *old_fb)
+{
+ shmob_drm_crtc_update_base(to_shmob_crtc(crtc));
+
+ return 0;
+}
+
+static const struct drm_crtc_helper_funcs crtc_helper_funcs = {
+ .dpms = shmob_drm_crtc_dpms,
+ .mode_fixup = shmob_drm_crtc_mode_fixup,
+ .prepare = shmob_drm_crtc_mode_prepare,
+ .commit = shmob_drm_crtc_mode_commit,
+ .mode_set = shmob_drm_crtc_mode_set,
+ .mode_set_base = shmob_drm_crtc_mode_set_base,
+};
+
+void shmob_drm_crtc_cancel_page_flip(struct shmob_drm_crtc *scrtc,
+ struct drm_file *file)
+{
+ struct drm_pending_vblank_event *event;
+ struct drm_device *dev = scrtc->crtc.dev;
+ unsigned long flags;
+
+ /* Destroy the pending vertical blanking event associated with the
+ * pending page flip, if any, and disable vertical blanking interrupts.
+ */
+ spin_lock_irqsave(&dev->event_lock, flags);
+ event = scrtc->event;
+ if (event && event->base.file_priv == file) {
+ scrtc->event = NULL;
+ event->base.destroy(&event->base);
+ drm_vblank_put(dev, 0);
+ }
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+}
+
+void shmob_drm_crtc_finish_page_flip(struct shmob_drm_crtc *scrtc)
+{
+ struct drm_pending_vblank_event *event;
+ struct drm_device *dev = scrtc->crtc.dev;
+ struct timeval vblanktime;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->event_lock, flags);
+ event = scrtc->event;
+ scrtc->event = NULL;
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+
+ if (event == NULL)
+ return;
+
+ event->event.sequence = drm_vblank_count_and_time(dev, 0, &vblanktime);
+ event->event.tv_sec = vblanktime.tv_sec;
+ event->event.tv_usec = vblanktime.tv_usec;
+
+ spin_lock_irqsave(&dev->event_lock, flags);
+ list_add_tail(&event->base.link, &event->base.file_priv->event_list);
+ wake_up_interruptible(&event->base.file_priv->event_wait);
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+
+ drm_vblank_put(dev, 0);
+}
+
+static int shmob_drm_crtc_page_flip(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ struct drm_pending_vblank_event *event)
+{
+ struct shmob_drm_crtc *scrtc = to_shmob_crtc(crtc);
+ struct drm_device *dev = scrtc->crtc.dev;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->event_lock, flags);
+ if (scrtc->event != NULL) {
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+ return -EBUSY;
+ }
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+
+ crtc->fb = fb;
+ shmob_drm_crtc_update_base(scrtc);
+
+ if (event) {
+ event->pipe = 0;
+ spin_lock_irqsave(&dev->event_lock, flags);
+ scrtc->event = event;
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+ drm_vblank_get(dev, 0);
+ }
+
+ return 0;
+}
+
+static const struct drm_crtc_funcs crtc_funcs = {
+ .destroy = drm_crtc_cleanup,
+ .set_config = drm_crtc_helper_set_config,
+ .page_flip = shmob_drm_crtc_page_flip,
+};
+
+int shmob_drm_crtc_create(struct shmob_drm_device *sdev)
+{
+ struct drm_crtc *crtc = &sdev->crtc.crtc;
+ int ret;
+
+ sdev->crtc.dpms = DRM_MODE_DPMS_OFF;
+
+ ret = drm_crtc_init(sdev->ddev, crtc, &crtc_funcs);
+ if (ret < 0)
+ return ret;
+
+ drm_crtc_helper_add(crtc, &crtc_helper_funcs);
+
+ return 0;
+}
+
+/* -----------------------------------------------------------------------------
+ * Encoder
+ */
+
+#define to_shmob_encoder(e) \
+ container_of(e, struct shmob_drm_encoder, encoder)
+
+static void shmob_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct shmob_drm_encoder *senc = to_shmob_encoder(encoder);
+ struct shmob_drm_device *sdev = encoder->dev->dev_private;
+ struct shmob_drm_connector *scon = &sdev->connector;
+
+ if (senc->dpms == mode)
+ return;
+
+ shmob_drm_backlight_dpms(scon, mode);
+
+ senc->dpms = mode;
+}
+
+static bool shmob_drm_encoder_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct shmob_drm_device *sdev = dev->dev_private;
+ struct drm_connector *connector = &sdev->connector.connector;
+ const struct drm_display_mode *panel_mode;
+
+ if (list_empty(&connector->modes)) {
+ dev_dbg(dev->dev, "mode_fixup: empty modes list\n");
+ return false;
+ }
+
+ /* The flat panel mode is fixed, just copy it to the adjusted mode. */
+ panel_mode = list_first_entry(&connector->modes,
+ struct drm_display_mode, head);
+ drm_mode_copy(adjusted_mode, panel_mode);
+
+ return true;
+}
+
+static void shmob_drm_encoder_mode_prepare(struct drm_encoder *encoder)
+{
+ /* No-op, everything is handled in the CRTC code. */
+}
+
+static void shmob_drm_encoder_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ /* No-op, everything is handled in the CRTC code. */
+}
+
+static void shmob_drm_encoder_mode_commit(struct drm_encoder *encoder)
+{
+ /* No-op, everything is handled in the CRTC code. */
+}
+
+static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
+ .dpms = shmob_drm_encoder_dpms,
+ .mode_fixup = shmob_drm_encoder_mode_fixup,
+ .prepare = shmob_drm_encoder_mode_prepare,
+ .commit = shmob_drm_encoder_mode_commit,
+ .mode_set = shmob_drm_encoder_mode_set,
+};
+
+static void shmob_drm_encoder_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+}
+
+static const struct drm_encoder_funcs encoder_funcs = {
+ .destroy = shmob_drm_encoder_destroy,
+};
+
+int shmob_drm_encoder_create(struct shmob_drm_device *sdev)
+{
+ struct drm_encoder *encoder = &sdev->encoder.encoder;
+ int ret;
+
+ sdev->encoder.dpms = DRM_MODE_DPMS_OFF;
+
+ encoder->possible_crtcs = 1;
+
+ ret = drm_encoder_init(sdev->ddev, encoder, &encoder_funcs,
+ DRM_MODE_ENCODER_LVDS);
+ if (ret < 0)
+ return ret;
+
+ drm_encoder_helper_add(encoder, &encoder_helper_funcs);
+
+ return 0;
+}
+
+void shmob_drm_crtc_enable_vblank(struct shmob_drm_device *sdev, bool enable)
+{
+ unsigned long flags;
+ u32 ldintr;
+
+ /* Be careful not to acknowledge any pending interrupt. */
+ spin_lock_irqsave(&sdev->irq_lock, flags);
+ ldintr = lcdc_read(sdev, LDINTR) | LDINTR_STATUS_MASK;
+ if (enable)
+ ldintr |= LDINTR_VEE;
+ else
+ ldintr &= ~LDINTR_VEE;
+ lcdc_write(sdev, LDINTR, ldintr);
+ spin_unlock_irqrestore(&sdev->irq_lock, flags);
+}
+
+/* -----------------------------------------------------------------------------
+ * Connector
+ */
+
+#define to_shmob_connector(c) \
+ container_of(c, struct shmob_drm_connector, connector)
+
+static int shmob_drm_connector_get_modes(struct drm_connector *connector)
+{
+ struct shmob_drm_device *sdev = connector->dev->dev_private;
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_create(connector->dev);
+ if (mode == NULL)
+ return 0;
+
+ mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
+ mode->clock = sdev->pdata->panel.mode.clock;
+ mode->hdisplay = sdev->pdata->panel.mode.hdisplay;
+ mode->hsync_start = sdev->pdata->panel.mode.hsync_start;
+ mode->hsync_end = sdev->pdata->panel.mode.hsync_end;
+ mode->htotal = sdev->pdata->panel.mode.htotal;
+ mode->vdisplay = sdev->pdata->panel.mode.vdisplay;
+ mode->vsync_start = sdev->pdata->panel.mode.vsync_start;
+ mode->vsync_end = sdev->pdata->panel.mode.vsync_end;
+ mode->vtotal = sdev->pdata->panel.mode.vtotal;
+ mode->flags = sdev->pdata->panel.mode.flags;
+
+ drm_mode_set_name(mode);
+ drm_mode_probed_add(connector, mode);
+
+ connector->display_info.width_mm = sdev->pdata->panel.width_mm;
+ connector->display_info.height_mm = sdev->pdata->panel.height_mm;
+
+ return 1;
+}
+
+static int shmob_drm_connector_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ return MODE_OK;
+}
+
+static struct drm_encoder *
+shmob_drm_connector_best_encoder(struct drm_connector *connector)
+{
+ struct shmob_drm_connector *scon = to_shmob_connector(connector);
+
+ return scon->encoder;
+}
+
+static const struct drm_connector_helper_funcs connector_helper_funcs = {
+ .get_modes = shmob_drm_connector_get_modes,
+ .mode_valid = shmob_drm_connector_mode_valid,
+ .best_encoder = shmob_drm_connector_best_encoder,
+};
+
+static void shmob_drm_connector_destroy(struct drm_connector *connector)
+{
+ struct shmob_drm_connector *scon = to_shmob_connector(connector);
+
+ shmob_drm_backlight_exit(scon);
+ drm_sysfs_connector_remove(connector);
+ drm_connector_cleanup(connector);
+}
+
+static enum drm_connector_status
+shmob_drm_connector_detect(struct drm_connector *connector, bool force)
+{
+ return connector_status_connected;
+}
+
+static const struct drm_connector_funcs connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .detect = shmob_drm_connector_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = shmob_drm_connector_destroy,
+};
+
+int shmob_drm_connector_create(struct shmob_drm_device *sdev,
+ struct drm_encoder *encoder)
+{
+ struct drm_connector *connector = &sdev->connector.connector;
+ int ret;
+
+ sdev->connector.encoder = encoder;
+
+ connector->display_info.width_mm = sdev->pdata->panel.width_mm;
+ connector->display_info.height_mm = sdev->pdata->panel.height_mm;
+
+ ret = drm_connector_init(sdev->ddev, connector, &connector_funcs,
+ DRM_MODE_CONNECTOR_LVDS);
+ if (ret < 0)
+ return ret;
+
+ drm_connector_helper_add(connector, &connector_helper_funcs);
+ ret = drm_sysfs_connector_add(connector);
+ if (ret < 0)
+ goto err_cleanup;
+
+ ret = shmob_drm_backlight_init(&sdev->connector);
+ if (ret < 0)
+ goto err_sysfs;
+
+ ret = drm_mode_connector_attach_encoder(connector, encoder);
+ if (ret < 0)
+ goto err_backlight;
+
+ connector->encoder = encoder;
+
+ drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
+ drm_connector_property_set_value(connector,
+ sdev->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
+
+ return 0;
+
+err_backlight:
+ shmob_drm_backlight_exit(&sdev->connector);
+err_sysfs:
+ drm_sysfs_connector_remove(connector);
+err_cleanup:
+ drm_connector_cleanup(connector);
+ return ret;
+}
--- /dev/null
+/*
+ * shmob_drm_crtc.h -- SH Mobile DRM CRTCs
+ *
+ * Copyright (C) 2012 Renesas Corporation
+ *
+ * Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __SHMOB_DRM_CRTC_H__
+#define __SHMOB_DRM_CRTC_H__
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+
+struct backlight_device;
+struct shmob_drm_device;
+
+struct shmob_drm_crtc {
+ struct drm_crtc crtc;
+
+ struct drm_pending_vblank_event *event;
+ int dpms;
+
+ const struct shmob_drm_format_info *format;
+ void *cache;
+ unsigned long dma[2];
+ unsigned int line_size;
+ bool started;
+};
+
+struct shmob_drm_encoder {
+ struct drm_encoder encoder;
+ int dpms;
+};
+
+struct shmob_drm_connector {
+ struct drm_connector connector;
+ struct drm_encoder *encoder;
+
+ struct backlight_device *backlight;
+};
+
+int shmob_drm_crtc_create(struct shmob_drm_device *sdev);
+void shmob_drm_crtc_enable_vblank(struct shmob_drm_device *sdev, bool enable);
+void shmob_drm_crtc_cancel_page_flip(struct shmob_drm_crtc *scrtc,
+ struct drm_file *file);
+void shmob_drm_crtc_finish_page_flip(struct shmob_drm_crtc *scrtc);
+void shmob_drm_crtc_suspend(struct shmob_drm_crtc *scrtc);
+void shmob_drm_crtc_resume(struct shmob_drm_crtc *scrtc);
+
+int shmob_drm_encoder_create(struct shmob_drm_device *sdev);
+int shmob_drm_connector_create(struct shmob_drm_device *sdev,
+ struct drm_encoder *encoder);
+
+#endif /* __SHMOB_DRM_CRTC_H__ */
--- /dev/null
+/*
+ * shmob_drm_drv.c -- SH Mobile DRM driver
+ *
+ * Copyright (C) 2012 Renesas Corporation
+ *
+ * Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/slab.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_gem_cma_helper.h>
+
+#include "shmob_drm_crtc.h"
+#include "shmob_drm_drv.h"
+#include "shmob_drm_kms.h"
+#include "shmob_drm_plane.h"
+#include "shmob_drm_regs.h"
+
+/* -----------------------------------------------------------------------------
+ * Hardware initialization
+ */
+
+static int __devinit shmob_drm_init_interface(struct shmob_drm_device *sdev)
+{
+ static const u32 ldmt1r[] = {
+ [SHMOB_DRM_IFACE_RGB8] = LDMT1R_MIFTYP_RGB8,
+ [SHMOB_DRM_IFACE_RGB9] = LDMT1R_MIFTYP_RGB9,
+ [SHMOB_DRM_IFACE_RGB12A] = LDMT1R_MIFTYP_RGB12A,
+ [SHMOB_DRM_IFACE_RGB12B] = LDMT1R_MIFTYP_RGB12B,
+ [SHMOB_DRM_IFACE_RGB16] = LDMT1R_MIFTYP_RGB16,
+ [SHMOB_DRM_IFACE_RGB18] = LDMT1R_MIFTYP_RGB18,
+ [SHMOB_DRM_IFACE_RGB24] = LDMT1R_MIFTYP_RGB24,
+ [SHMOB_DRM_IFACE_YUV422] = LDMT1R_MIFTYP_YCBCR,
+ [SHMOB_DRM_IFACE_SYS8A] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8A,
+ [SHMOB_DRM_IFACE_SYS8B] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8B,
+ [SHMOB_DRM_IFACE_SYS8C] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8C,
+ [SHMOB_DRM_IFACE_SYS8D] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8D,
+ [SHMOB_DRM_IFACE_SYS9] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS9,
+ [SHMOB_DRM_IFACE_SYS12] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS12,
+ [SHMOB_DRM_IFACE_SYS16A] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS16A,
+ [SHMOB_DRM_IFACE_SYS16B] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS16B,
+ [SHMOB_DRM_IFACE_SYS16C] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS16C,
+ [SHMOB_DRM_IFACE_SYS18] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS18,
+ [SHMOB_DRM_IFACE_SYS24] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS24,
+ };
+
+ if (sdev->pdata->iface.interface >= ARRAY_SIZE(ldmt1r)) {
+ dev_err(sdev->dev, "invalid interface type %u\n",
+ sdev->pdata->iface.interface);
+ return -EINVAL;
+ }
+
+ sdev->ldmt1r = ldmt1r[sdev->pdata->iface.interface];
+ return 0;
+}
+
+static int __devinit shmob_drm_setup_clocks(struct shmob_drm_device *sdev,
+ enum shmob_drm_clk_source clksrc)
+{
+ struct clk *clk;
+ char *clkname;
+
+ switch (clksrc) {
+ case SHMOB_DRM_CLK_BUS:
+ clkname = "bus_clk";
+ sdev->lddckr = LDDCKR_ICKSEL_BUS;
+ break;
+ case SHMOB_DRM_CLK_PERIPHERAL:
+ clkname = "peripheral_clk";
+ sdev->lddckr = LDDCKR_ICKSEL_MIPI;
+ break;
+ case SHMOB_DRM_CLK_EXTERNAL:
+ clkname = NULL;
+ sdev->lddckr = LDDCKR_ICKSEL_HDMI;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ clk = clk_get(sdev->dev, clkname);
+ if (IS_ERR(clk)) {
+ dev_err(sdev->dev, "cannot get dot clock %s\n", clkname);
+ return PTR_ERR(clk);
+ }
+
+ sdev->clock = clk;
+ return 0;
+}
+
+/* -----------------------------------------------------------------------------
+ * DRM operations
+ */
+
+static int shmob_drm_unload(struct drm_device *dev)
+{
+ struct shmob_drm_device *sdev = dev->dev_private;
+
+ drm_kms_helper_poll_fini(dev);
+ drm_mode_config_cleanup(dev);
+ drm_vblank_cleanup(dev);
+ drm_irq_uninstall(dev);
+
+ if (sdev->clock)
+ clk_put(sdev->clock);
+
+ if (sdev->mmio)
+ iounmap(sdev->mmio);
+
+ dev->dev_private = NULL;
+ kfree(sdev);
+
+ return 0;
+}
+
+static int shmob_drm_load(struct drm_device *dev, unsigned long flags)
+{
+ struct shmob_drm_platform_data *pdata = dev->dev->platform_data;
+ struct platform_device *pdev = dev->platformdev;
+ struct shmob_drm_device *sdev;
+ struct resource *res;
+ unsigned int i;
+ int ret;
+
+ if (pdata == NULL) {
+ dev_err(dev->dev, "no platform data\n");
+ return -EINVAL;
+ }
+
+ sdev = kzalloc(sizeof(*sdev), GFP_KERNEL);
+ if (sdev == NULL) {
+ dev_err(dev->dev, "failed to allocate private data\n");
+ return -ENOMEM;
+ }
+
+ sdev->dev = &pdev->dev;
+ sdev->pdata = pdata;
+ spin_lock_init(&sdev->irq_lock);
+
+ sdev->ddev = dev;
+ dev->dev_private = sdev;
+
+ /* I/O resources and clocks */
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (res == NULL) {
+ dev_err(&pdev->dev, "failed to get memory resource\n");
+ ret = -EINVAL;
+ goto done;
+ }
+
+ sdev->mmio = ioremap_nocache(res->start, resource_size(res));
+ if (sdev->mmio == NULL) {
+ dev_err(&pdev->dev, "failed to remap memory resource\n");
+ ret = -ENOMEM;
+ goto done;
+ }
+
+ ret = shmob_drm_setup_clocks(sdev, pdata->clk_source);
+ if (ret < 0)
+ goto done;
+
+ ret = shmob_drm_init_interface(sdev);
+ if (ret < 0)
+ goto done;
+
+ ret = shmob_drm_modeset_init(sdev);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "failed to initialize mode setting\n");
+ goto done;
+ }
+
+ for (i = 0; i < 4; ++i) {
+ ret = shmob_drm_plane_create(sdev, i);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "failed to create plane %u\n", i);
+ goto done;
+ }
+ }
+
+ ret = drm_vblank_init(dev, 1);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "failed to initialize vblank\n");
+ goto done;
+ }
+
+ ret = drm_irq_install(dev);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "failed to install IRQ handler\n");
+ goto done;
+ }
+
+done:
+ if (ret)
+ shmob_drm_unload(dev);
+
+ return ret;
+}
+
+static void shmob_drm_preclose(struct drm_device *dev, struct drm_file *file)
+{
+ struct shmob_drm_device *sdev = dev->dev_private;
+
+ shmob_drm_crtc_cancel_page_flip(&sdev->crtc, file);
+}
+
+static irqreturn_t shmob_drm_irq(int irq, void *arg)
+{
+ struct drm_device *dev = arg;
+ struct shmob_drm_device *sdev = dev->dev_private;
+ unsigned long flags;
+ u32 status;
+
+ /* Acknowledge interrupts. Putting interrupt enable and interrupt flag
+ * bits in the same register is really brain-dead design and requires
+ * taking a spinlock.
+ */
+ spin_lock_irqsave(&sdev->irq_lock, flags);
+ status = lcdc_read(sdev, LDINTR);
+ lcdc_write(sdev, LDINTR, status ^ LDINTR_STATUS_MASK);
+ spin_unlock_irqrestore(&sdev->irq_lock, flags);
+
+ if (status & LDINTR_VES) {
+ drm_handle_vblank(dev, 0);
+ shmob_drm_crtc_finish_page_flip(&sdev->crtc);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static int shmob_drm_enable_vblank(struct drm_device *dev, int crtc)
+{
+ struct shmob_drm_device *sdev = dev->dev_private;
+
+ shmob_drm_crtc_enable_vblank(sdev, true);
+
+ return 0;
+}
+
+static void shmob_drm_disable_vblank(struct drm_device *dev, int crtc)
+{
+ struct shmob_drm_device *sdev = dev->dev_private;
+
+ shmob_drm_crtc_enable_vblank(sdev, false);
+}
+
+static const struct file_operations shmob_drm_fops = {
+ .owner = THIS_MODULE,
+ .open = drm_open,
+ .release = drm_release,
+ .unlocked_ioctl = drm_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
+ .poll = drm_poll,
+ .read = drm_read,
+ .fasync = drm_fasync,
+ .llseek = no_llseek,
+ .mmap = drm_gem_cma_mmap,
+};
+
+static struct drm_driver shmob_drm_driver = {
+ .driver_features = DRIVER_HAVE_IRQ | DRIVER_GEM | DRIVER_MODESET,
+ .load = shmob_drm_load,
+ .unload = shmob_drm_unload,
+ .preclose = shmob_drm_preclose,
+ .irq_handler = shmob_drm_irq,
+ .get_vblank_counter = drm_vblank_count,
+ .enable_vblank = shmob_drm_enable_vblank,
+ .disable_vblank = shmob_drm_disable_vblank,
+ .gem_free_object = drm_gem_cma_free_object,
+ .gem_vm_ops = &drm_gem_cma_vm_ops,
+ .dumb_create = drm_gem_cma_dumb_create,
+ .dumb_map_offset = drm_gem_cma_dumb_map_offset,
+ .dumb_destroy = drm_gem_cma_dumb_destroy,
+ .fops = &shmob_drm_fops,
+ .name = "shmob-drm",
+ .desc = "Renesas SH Mobile DRM",
+ .date = "20120424",
+ .major = 1,
+ .minor = 0,
+};
+
+/* -----------------------------------------------------------------------------
+ * Power management
+ */
+
+#if CONFIG_PM_SLEEP
+static int shmob_drm_pm_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct drm_device *ddev = platform_get_drvdata(pdev);
+ struct shmob_drm_device *sdev = ddev->dev_private;
+
+ drm_kms_helper_poll_disable(ddev);
+ shmob_drm_crtc_suspend(&sdev->crtc);
+
+ return 0;
+}
+
+static int shmob_drm_pm_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct drm_device *ddev = platform_get_drvdata(pdev);
+ struct shmob_drm_device *sdev = ddev->dev_private;
+
+ mutex_lock(&sdev->ddev->mode_config.mutex);
+ shmob_drm_crtc_resume(&sdev->crtc);
+ mutex_unlock(&sdev->ddev->mode_config.mutex);
+
+ drm_kms_helper_poll_enable(sdev->ddev);
+ return 0;
+}
+#endif
+
+static const struct dev_pm_ops shmob_drm_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(shmob_drm_pm_suspend, shmob_drm_pm_resume)
+};
+
+/* -----------------------------------------------------------------------------
+ * Platform driver
+ */
+
+static int __devinit shmob_drm_probe(struct platform_device *pdev)
+{
+ return drm_platform_init(&shmob_drm_driver, pdev);
+}
+
+static int __devexit shmob_drm_remove(struct platform_device *pdev)
+{
+ drm_platform_exit(&shmob_drm_driver, pdev);
+
+ return 0;
+}
+
+static struct platform_driver shmob_drm_platform_driver = {
+ .probe = shmob_drm_probe,
+ .remove = __devexit_p(shmob_drm_remove),
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "shmob-drm",
+ .pm = &shmob_drm_pm_ops,
+ },
+};
+
+module_platform_driver(shmob_drm_platform_driver);
+
+MODULE_AUTHOR("Laurent Pinchart <laurent.pinchart@ideasonboard.com>");
+MODULE_DESCRIPTION("Renesas SH Mobile DRM Driver");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * shmob_drm.h -- SH Mobile DRM driver
+ *
+ * Copyright (C) 2012 Renesas Corporation
+ *
+ * Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __SHMOB_DRM_DRV_H__
+#define __SHMOB_DRM_DRV_H__
+
+#include <linux/kernel.h>
+#include <linux/platform_data/shmob_drm.h>
+#include <linux/spinlock.h>
+
+#include "shmob_drm_crtc.h"
+
+struct clk;
+struct device;
+struct drm_device;
+struct sh_mobile_meram_info;
+
+struct shmob_drm_device {
+ struct device *dev;
+ const struct shmob_drm_platform_data *pdata;
+
+ void __iomem *mmio;
+ struct clk *clock;
+ struct sh_mobile_meram_info *meram;
+ u32 lddckr;
+ u32 ldmt1r;
+
+ spinlock_t irq_lock; /* Protects hardware LDINTR register */
+
+ struct drm_device *ddev;
+
+ struct shmob_drm_crtc crtc;
+ struct shmob_drm_encoder encoder;
+ struct shmob_drm_connector connector;
+};
+
+#endif /* __SHMOB_DRM_DRV_H__ */
--- /dev/null
+/*
+ * shmob_drm_kms.c -- SH Mobile DRM Mode Setting
+ *
+ * Copyright (C) 2012 Renesas Corporation
+ *
+ * Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_gem_cma_helper.h>
+
+#include <video/sh_mobile_meram.h>
+
+#include "shmob_drm_crtc.h"
+#include "shmob_drm_drv.h"
+#include "shmob_drm_kms.h"
+#include "shmob_drm_regs.h"
+
+/* -----------------------------------------------------------------------------
+ * Format helpers
+ */
+
+static const struct shmob_drm_format_info shmob_drm_format_infos[] = {
+ {
+ .fourcc = DRM_FORMAT_RGB565,
+ .bpp = 16,
+ .yuv = false,
+ .lddfr = LDDFR_PKF_RGB16,
+ .meram = SH_MOBILE_MERAM_PF_RGB,
+ }, {
+ .fourcc = DRM_FORMAT_RGB888,
+ .bpp = 24,
+ .yuv = false,
+ .lddfr = LDDFR_PKF_RGB24,
+ .meram = SH_MOBILE_MERAM_PF_RGB,
+ }, {
+ .fourcc = DRM_FORMAT_ARGB8888,
+ .bpp = 32,
+ .yuv = false,
+ .lddfr = LDDFR_PKF_ARGB32,
+ .meram = SH_MOBILE_MERAM_PF_RGB,
+ }, {
+ .fourcc = DRM_FORMAT_NV12,
+ .bpp = 12,
+ .yuv = true,
+ .lddfr = LDDFR_CC | LDDFR_YF_420,
+ .meram = SH_MOBILE_MERAM_PF_NV,
+ }, {
+ .fourcc = DRM_FORMAT_NV21,
+ .bpp = 12,
+ .yuv = true,
+ .lddfr = LDDFR_CC | LDDFR_YF_420,
+ .meram = SH_MOBILE_MERAM_PF_NV,
+ }, {
+ .fourcc = DRM_FORMAT_NV16,
+ .bpp = 16,
+ .yuv = true,
+ .lddfr = LDDFR_CC | LDDFR_YF_422,
+ .meram = SH_MOBILE_MERAM_PF_NV,
+ }, {
+ .fourcc = DRM_FORMAT_NV61,
+ .bpp = 16,
+ .yuv = true,
+ .lddfr = LDDFR_CC | LDDFR_YF_422,
+ .meram = SH_MOBILE_MERAM_PF_NV,
+ }, {
+ .fourcc = DRM_FORMAT_NV24,
+ .bpp = 24,
+ .yuv = true,
+ .lddfr = LDDFR_CC | LDDFR_YF_444,
+ .meram = SH_MOBILE_MERAM_PF_NV24,
+ }, {
+ .fourcc = DRM_FORMAT_NV42,
+ .bpp = 24,
+ .yuv = true,
+ .lddfr = LDDFR_CC | LDDFR_YF_444,
+ .meram = SH_MOBILE_MERAM_PF_NV24,
+ },
+};
+
+const struct shmob_drm_format_info *shmob_drm_format_info(u32 fourcc)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(shmob_drm_format_infos); ++i) {
+ if (shmob_drm_format_infos[i].fourcc == fourcc)
+ return &shmob_drm_format_infos[i];
+ }
+
+ return NULL;
+}
+
+/* -----------------------------------------------------------------------------
+ * Frame buffer
+ */
+
+static struct drm_framebuffer *
+shmob_drm_fb_create(struct drm_device *dev, struct drm_file *file_priv,
+ struct drm_mode_fb_cmd2 *mode_cmd)
+{
+ const struct shmob_drm_format_info *format;
+
+ format = shmob_drm_format_info(mode_cmd->pixel_format);
+ if (format == NULL) {
+ dev_dbg(dev->dev, "unsupported pixel format %08x\n",
+ mode_cmd->pixel_format);
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (mode_cmd->pitches[0] & 7 || mode_cmd->pitches[0] >= 65536) {
+ dev_dbg(dev->dev, "valid pitch value %u\n",
+ mode_cmd->pitches[0]);
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (format->yuv) {
+ unsigned int chroma_cpp = format->bpp == 24 ? 2 : 1;
+
+ if (mode_cmd->pitches[1] != mode_cmd->pitches[0] * chroma_cpp) {
+ dev_dbg(dev->dev,
+ "luma and chroma pitches do not match\n");
+ return ERR_PTR(-EINVAL);
+ }
+ }
+
+ return drm_fb_cma_create(dev, file_priv, mode_cmd);
+}
+
+static const struct drm_mode_config_funcs shmob_drm_mode_config_funcs = {
+ .fb_create = shmob_drm_fb_create,
+};
+
+int shmob_drm_modeset_init(struct shmob_drm_device *sdev)
+{
+ drm_mode_config_init(sdev->ddev);
+
+ shmob_drm_crtc_create(sdev);
+ shmob_drm_encoder_create(sdev);
+ shmob_drm_connector_create(sdev, &sdev->encoder.encoder);
+
+ drm_kms_helper_poll_init(sdev->ddev);
+
+ sdev->ddev->mode_config.min_width = 0;
+ sdev->ddev->mode_config.min_height = 0;
+ sdev->ddev->mode_config.max_width = 4095;
+ sdev->ddev->mode_config.max_height = 4095;
+ sdev->ddev->mode_config.funcs = &shmob_drm_mode_config_funcs;
+
+ drm_helper_disable_unused_functions(sdev->ddev);
+
+ return 0;
+}
--- /dev/null
+/*
+ * shmob_drm_kms.h -- SH Mobile DRM Mode Setting
+ *
+ * Copyright (C) 2012 Renesas Corporation
+ *
+ * Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __SHMOB_DRM_KMS_H__
+#define __SHMOB_DRM_KMS_H__
+
+#include <linux/types.h>
+
+struct drm_gem_cma_object;
+struct shmob_drm_device;
+
+struct shmob_drm_format_info {
+ u32 fourcc;
+ unsigned int bpp;
+ bool yuv;
+ u32 lddfr;
+ unsigned int meram;
+};
+
+const struct shmob_drm_format_info *shmob_drm_format_info(u32 fourcc);
+
+int shmob_drm_modeset_init(struct shmob_drm_device *sdev);
+
+#endif /* __SHMOB_DRM_KMS_H__ */
--- /dev/null
+/*
+ * shmob_drm_plane.c -- SH Mobile DRM Planes
+ *
+ * Copyright (C) 2012 Renesas Corporation
+ *
+ * Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_gem_cma_helper.h>
+
+#include <video/sh_mobile_meram.h>
+
+#include "shmob_drm_drv.h"
+#include "shmob_drm_kms.h"
+#include "shmob_drm_plane.h"
+#include "shmob_drm_regs.h"
+
+struct shmob_drm_plane {
+ struct drm_plane plane;
+ unsigned int index;
+ unsigned int alpha;
+
+ const struct shmob_drm_format_info *format;
+ unsigned long dma[2];
+
+ unsigned int src_x;
+ unsigned int src_y;
+ unsigned int crtc_x;
+ unsigned int crtc_y;
+ unsigned int crtc_w;
+ unsigned int crtc_h;
+};
+
+#define to_shmob_plane(p) container_of(p, struct shmob_drm_plane, plane)
+
+static void shmob_drm_plane_compute_base(struct shmob_drm_plane *splane,
+ struct drm_framebuffer *fb,
+ int x, int y)
+{
+ struct drm_gem_cma_object *gem;
+ unsigned int bpp;
+
+ bpp = splane->format->yuv ? 8 : splane->format->bpp;
+ gem = drm_fb_cma_get_gem_obj(fb, 0);
+ splane->dma[0] = gem->paddr + fb->offsets[0]
+ + y * fb->pitches[0] + x * bpp / 8;
+
+ if (splane->format->yuv) {
+ bpp = splane->format->bpp - 8;
+ gem = drm_fb_cma_get_gem_obj(fb, 1);
+ splane->dma[1] = gem->paddr + fb->offsets[1]
+ + y / (bpp == 4 ? 2 : 1) * fb->pitches[1]
+ + x * (bpp == 16 ? 2 : 1);
+ }
+}
+
+static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane,
+ struct drm_framebuffer *fb)
+{
+ struct shmob_drm_device *sdev = splane->plane.dev->dev_private;
+ u32 format;
+
+ /* TODO: Support ROP3 mode */
+ format = LDBBSIFR_EN | (splane->alpha << LDBBSIFR_LAY_SHIFT);
+
+ switch (splane->format->fourcc) {
+ case DRM_FORMAT_RGB565:
+ case DRM_FORMAT_NV21:
+ case DRM_FORMAT_NV61:
+ case DRM_FORMAT_NV42:
+ format |= LDBBSIFR_SWPL | LDBBSIFR_SWPW;
+ break;
+ case DRM_FORMAT_RGB888:
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_NV16:
+ case DRM_FORMAT_NV24:
+ format |= LDBBSIFR_SWPL | LDBBSIFR_SWPW | LDBBSIFR_SWPB;
+ break;
+ case DRM_FORMAT_ARGB8888:
+ default:
+ format |= LDBBSIFR_SWPL;
+ break;
+ }
+
+ switch (splane->format->fourcc) {
+ case DRM_FORMAT_RGB565:
+ format |= LDBBSIFR_AL_1 | LDBBSIFR_RY | LDBBSIFR_RPKF_RGB16;
+ break;
+ case DRM_FORMAT_RGB888:
+ format |= LDBBSIFR_AL_1 | LDBBSIFR_RY | LDBBSIFR_RPKF_RGB24;
+ break;
+ case DRM_FORMAT_ARGB8888:
+ format |= LDBBSIFR_AL_PK | LDBBSIFR_RY | LDDFR_PKF_ARGB32;
+ break;
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_NV21:
+ format |= LDBBSIFR_AL_1 | LDBBSIFR_CHRR_420;
+ break;
+ case DRM_FORMAT_NV16:
+ case DRM_FORMAT_NV61:
+ format |= LDBBSIFR_AL_1 | LDBBSIFR_CHRR_422;
+ break;
+ case DRM_FORMAT_NV24:
+ case DRM_FORMAT_NV42:
+ format |= LDBBSIFR_AL_1 | LDBBSIFR_CHRR_444;
+ break;
+ }
+
+#define plane_reg_dump(sdev, splane, reg) \
+ dev_dbg(sdev->ddev->dev, "%s(%u): %s 0x%08x 0x%08x\n", __func__, \
+ splane->index, #reg, \
+ lcdc_read(sdev, reg(splane->index)), \
+ lcdc_read(sdev, reg(splane->index) + LCDC_SIDE_B_OFFSET))
+
+ plane_reg_dump(sdev, splane, LDBnBSIFR);
+ plane_reg_dump(sdev, splane, LDBnBSSZR);
+ plane_reg_dump(sdev, splane, LDBnBLOCR);
+ plane_reg_dump(sdev, splane, LDBnBSMWR);
+ plane_reg_dump(sdev, splane, LDBnBSAYR);
+ plane_reg_dump(sdev, splane, LDBnBSACR);
+
+ lcdc_write(sdev, LDBCR, LDBCR_UPC(splane->index));
+ dev_dbg(sdev->ddev->dev, "%s(%u): %s 0x%08x\n", __func__, splane->index,
+ "LDBCR", lcdc_read(sdev, LDBCR));
+
+ lcdc_write(sdev, LDBnBSIFR(splane->index), format);
+
+ lcdc_write(sdev, LDBnBSSZR(splane->index),
+ (splane->crtc_h << LDBBSSZR_BVSS_SHIFT) |
+ (splane->crtc_w << LDBBSSZR_BHSS_SHIFT));
+ lcdc_write(sdev, LDBnBLOCR(splane->index),
+ (splane->crtc_y << LDBBLOCR_CVLC_SHIFT) |
+ (splane->crtc_x << LDBBLOCR_CHLC_SHIFT));
+ lcdc_write(sdev, LDBnBSMWR(splane->index),
+ fb->pitches[0] << LDBBSMWR_BSMW_SHIFT);
+
+ shmob_drm_plane_compute_base(splane, fb, splane->src_x, splane->src_y);
+
+ lcdc_write(sdev, LDBnBSAYR(splane->index), splane->dma[0]);
+ if (splane->format->yuv)
+ lcdc_write(sdev, LDBnBSACR(splane->index), splane->dma[1]);
+
+ lcdc_write(sdev, LDBCR,
+ LDBCR_UPF(splane->index) | LDBCR_UPD(splane->index));
+ dev_dbg(sdev->ddev->dev, "%s(%u): %s 0x%08x\n", __func__, splane->index,
+ "LDBCR", lcdc_read(sdev, LDBCR));
+
+ plane_reg_dump(sdev, splane, LDBnBSIFR);
+ plane_reg_dump(sdev, splane, LDBnBSSZR);
+ plane_reg_dump(sdev, splane, LDBnBLOCR);
+ plane_reg_dump(sdev, splane, LDBnBSMWR);
+ plane_reg_dump(sdev, splane, LDBnBSAYR);
+ plane_reg_dump(sdev, splane, LDBnBSACR);
+}
+
+void shmob_drm_plane_setup(struct drm_plane *plane)
+{
+ struct shmob_drm_plane *splane = to_shmob_plane(plane);
+
+ if (plane->fb == NULL || !plane->enabled)
+ return;
+
+ __shmob_drm_plane_setup(splane, plane->fb);
+}
+
+static int
+shmob_drm_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
+ struct drm_framebuffer *fb, int crtc_x, int crtc_y,
+ unsigned int crtc_w, unsigned int crtc_h,
+ uint32_t src_x, uint32_t src_y,
+ uint32_t src_w, uint32_t src_h)
+{
+ struct shmob_drm_plane *splane = to_shmob_plane(plane);
+ struct shmob_drm_device *sdev = plane->dev->dev_private;
+ const struct shmob_drm_format_info *format;
+
+ format = shmob_drm_format_info(fb->pixel_format);
+ if (format == NULL) {
+ dev_dbg(sdev->dev, "update_plane: unsupported format %08x\n",
+ fb->pixel_format);
+ return -EINVAL;
+ }
+
+ if (src_w >> 16 != crtc_w || src_h >> 16 != crtc_h) {
+ dev_dbg(sdev->dev, "%s: scaling not supported\n", __func__);
+ return -EINVAL;
+ }
+
+ splane->format = format;
+
+ splane->src_x = src_x >> 16;
+ splane->src_y = src_y >> 16;
+ splane->crtc_x = crtc_x;
+ splane->crtc_y = crtc_y;
+ splane->crtc_w = crtc_w;
+ splane->crtc_h = crtc_h;
+
+ __shmob_drm_plane_setup(splane, fb);
+ return 0;
+}
+
+static int shmob_drm_plane_disable(struct drm_plane *plane)
+{
+ struct shmob_drm_plane *splane = to_shmob_plane(plane);
+ struct shmob_drm_device *sdev = plane->dev->dev_private;
+
+ splane->format = NULL;
+
+ lcdc_write(sdev, LDBnBSIFR(splane->index), 0);
+ return 0;
+}
+
+static void shmob_drm_plane_destroy(struct drm_plane *plane)
+{
+ struct shmob_drm_plane *splane = to_shmob_plane(plane);
+
+ shmob_drm_plane_disable(plane);
+ drm_plane_cleanup(plane);
+ kfree(splane);
+}
+
+static const struct drm_plane_funcs shmob_drm_plane_funcs = {
+ .update_plane = shmob_drm_plane_update,
+ .disable_plane = shmob_drm_plane_disable,
+ .destroy = shmob_drm_plane_destroy,
+};
+
+static const uint32_t formats[] = {
+ DRM_FORMAT_RGB565,
+ DRM_FORMAT_RGB888,
+ DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_NV12,
+ DRM_FORMAT_NV21,
+ DRM_FORMAT_NV16,
+ DRM_FORMAT_NV61,
+ DRM_FORMAT_NV24,
+ DRM_FORMAT_NV42,
+};
+
+int shmob_drm_plane_create(struct shmob_drm_device *sdev, unsigned int index)
+{
+ struct shmob_drm_plane *splane;
+ int ret;
+
+ splane = kzalloc(sizeof(*splane), GFP_KERNEL);
+ if (splane == NULL)
+ return -ENOMEM;
+
+ splane->index = index;
+ splane->alpha = 255;
+
+ ret = drm_plane_init(sdev->ddev, &splane->plane, 1,
+ &shmob_drm_plane_funcs, formats,
+ ARRAY_SIZE(formats), false);
+ if (ret < 0)
+ kfree(splane);
+
+ return ret;
+}
--- /dev/null
+/*
+ * shmob_drm_plane.h -- SH Mobile DRM Planes
+ *
+ * Copyright (C) 2012 Renesas Corporation
+ *
+ * Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __SHMOB_DRM_PLANE_H__
+#define __SHMOB_DRM_PLANE_H__
+
+struct shmob_drm_device;
+
+int shmob_drm_plane_create(struct shmob_drm_device *sdev, unsigned int index);
+void shmob_drm_plane_setup(struct drm_plane *plane);
+
+#endif /* __SHMOB_DRM_PLANE_H__ */
--- /dev/null
+/*
+ * shmob_drm_regs.h -- SH Mobile DRM registers
+ *
+ * Copyright (C) 2012 Renesas Corporation
+ *
+ * Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __SHMOB_DRM_REGS_H__
+#define __SHMOB_DRM_REGS_H__
+
+#include <linux/io.h>
+
+/* Register definitions */
+#define LDDCKPAT1R 0x400
+#define LDDCKPAT2R 0x404
+#define LDDCKR 0x410
+#define LDDCKR_ICKSEL_BUS (0 << 16)
+#define LDDCKR_ICKSEL_MIPI (1 << 16)
+#define LDDCKR_ICKSEL_HDMI (2 << 16)
+#define LDDCKR_ICKSEL_EXT (3 << 16)
+#define LDDCKR_ICKSEL_MASK (7 << 16)
+#define LDDCKR_MOSEL (1 << 6)
+#define LDDCKSTPR 0x414
+#define LDDCKSTPR_DCKSTS (1 << 16)
+#define LDDCKSTPR_DCKSTP (1 << 0)
+#define LDMT1R 0x418
+#define LDMT1R_VPOL (1 << 28)
+#define LDMT1R_HPOL (1 << 27)
+#define LDMT1R_DWPOL (1 << 26)
+#define LDMT1R_DIPOL (1 << 25)
+#define LDMT1R_DAPOL (1 << 24)
+#define LDMT1R_HSCNT (1 << 17)
+#define LDMT1R_DWCNT (1 << 16)
+#define LDMT1R_IFM (1 << 12)
+#define LDMT1R_MIFTYP_RGB8 (0x0 << 0)
+#define LDMT1R_MIFTYP_RGB9 (0x4 << 0)
+#define LDMT1R_MIFTYP_RGB12A (0x5 << 0)
+#define LDMT1R_MIFTYP_RGB12B (0x6 << 0)
+#define LDMT1R_MIFTYP_RGB16 (0x7 << 0)
+#define LDMT1R_MIFTYP_RGB18 (0xa << 0)
+#define LDMT1R_MIFTYP_RGB24 (0xb << 0)
+#define LDMT1R_MIFTYP_YCBCR (0xf << 0)
+#define LDMT1R_MIFTYP_SYS8A (0x0 << 0)
+#define LDMT1R_MIFTYP_SYS8B (0x1 << 0)
+#define LDMT1R_MIFTYP_SYS8C (0x2 << 0)
+#define LDMT1R_MIFTYP_SYS8D (0x3 << 0)
+#define LDMT1R_MIFTYP_SYS9 (0x4 << 0)
+#define LDMT1R_MIFTYP_SYS12 (0x5 << 0)
+#define LDMT1R_MIFTYP_SYS16A (0x7 << 0)
+#define LDMT1R_MIFTYP_SYS16B (0x8 << 0)
+#define LDMT1R_MIFTYP_SYS16C (0x9 << 0)
+#define LDMT1R_MIFTYP_SYS18 (0xa << 0)
+#define LDMT1R_MIFTYP_SYS24 (0xb << 0)
+#define LDMT1R_MIFTYP_MASK (0xf << 0)
+#define LDMT2R 0x41c
+#define LDMT2R_CSUP_MASK (7 << 26)
+#define LDMT2R_CSUP_SHIFT 26
+#define LDMT2R_RSV (1 << 25)
+#define LDMT2R_VSEL (1 << 24)
+#define LDMT2R_WCSC_MASK (0xff << 16)
+#define LDMT2R_WCSC_SHIFT 16
+#define LDMT2R_WCEC_MASK (0xff << 8)
+#define LDMT2R_WCEC_SHIFT 8
+#define LDMT2R_WCLW_MASK (0xff << 0)
+#define LDMT2R_WCLW_SHIFT 0
+#define LDMT3R 0x420
+#define LDMT3R_RDLC_MASK (0x3f << 24)
+#define LDMT3R_RDLC_SHIFT 24
+#define LDMT3R_RCSC_MASK (0xff << 16)
+#define LDMT3R_RCSC_SHIFT 16
+#define LDMT3R_RCEC_MASK (0xff << 8)
+#define LDMT3R_RCEC_SHIFT 8
+#define LDMT3R_RCLW_MASK (0xff << 0)
+#define LDMT3R_RCLW_SHIFT 0
+#define LDDFR 0x424
+#define LDDFR_CF1 (1 << 18)
+#define LDDFR_CF0 (1 << 17)
+#define LDDFR_CC (1 << 16)
+#define LDDFR_YF_420 (0 << 8)
+#define LDDFR_YF_422 (1 << 8)
+#define LDDFR_YF_444 (2 << 8)
+#define LDDFR_YF_MASK (3 << 8)
+#define LDDFR_PKF_ARGB32 (0x00 << 0)
+#define LDDFR_PKF_RGB16 (0x03 << 0)
+#define LDDFR_PKF_RGB24 (0x0b << 0)
+#define LDDFR_PKF_MASK (0x1f << 0)
+#define LDSM1R 0x428
+#define LDSM1R_OS (1 << 0)
+#define LDSM2R 0x42c
+#define LDSM2R_OSTRG (1 << 0)
+#define LDSA1R 0x430
+#define LDSA2R 0x434
+#define LDMLSR 0x438
+#define LDWBFR 0x43c
+#define LDWBCNTR 0x440
+#define LDWBAR 0x444
+#define LDHCNR 0x448
+#define LDHSYNR 0x44c
+#define LDVLNR 0x450
+#define LDVSYNR 0x454
+#define LDHPDR 0x458
+#define LDVPDR 0x45c
+#define LDPMR 0x460
+#define LDPMR_LPS (3 << 0)
+#define LDINTR 0x468
+#define LDINTR_FE (1 << 10)
+#define LDINTR_VSE (1 << 9)
+#define LDINTR_VEE (1 << 8)
+#define LDINTR_FS (1 << 2)
+#define LDINTR_VSS (1 << 1)
+#define LDINTR_VES (1 << 0)
+#define LDINTR_STATUS_MASK (0xff << 0)
+#define LDSR 0x46c
+#define LDSR_MSS (1 << 10)
+#define LDSR_MRS (1 << 8)
+#define LDSR_AS (1 << 1)
+#define LDCNT1R 0x470
+#define LDCNT1R_DE (1 << 0)
+#define LDCNT2R 0x474
+#define LDCNT2R_BR (1 << 8)
+#define LDCNT2R_MD (1 << 3)
+#define LDCNT2R_SE (1 << 2)
+#define LDCNT2R_ME (1 << 1)
+#define LDCNT2R_DO (1 << 0)
+#define LDRCNTR 0x478
+#define LDRCNTR_SRS (1 << 17)
+#define LDRCNTR_SRC (1 << 16)
+#define LDRCNTR_MRS (1 << 1)
+#define LDRCNTR_MRC (1 << 0)
+#define LDDDSR 0x47c
+#define LDDDSR_LS (1 << 2)
+#define LDDDSR_WS (1 << 1)
+#define LDDDSR_BS (1 << 0)
+#define LDHAJR 0x4a0
+
+#define LDDWD0R 0x800
+#define LDDWDxR_WDACT (1 << 28)
+#define LDDWDxR_RSW (1 << 24)
+#define LDDRDR 0x840
+#define LDDRDR_RSR (1 << 24)
+#define LDDRDR_DRD_MASK (0x3ffff << 0)
+#define LDDWAR 0x900
+#define LDDWAR_WA (1 << 0)
+#define LDDRAR 0x904
+#define LDDRAR_RA (1 << 0)
+
+#define LDBCR 0xb00
+#define LDBCR_UPC(n) (1 << ((n) + 16))
+#define LDBCR_UPF(n) (1 << ((n) + 8))
+#define LDBCR_UPD(n) (1 << ((n) + 0))
+#define LDBnBSIFR(n) (0xb20 + (n) * 0x20 + 0x00)
+#define LDBBSIFR_EN (1 << 31)
+#define LDBBSIFR_VS (1 << 29)
+#define LDBBSIFR_BRSEL (1 << 28)
+#define LDBBSIFR_MX (1 << 27)
+#define LDBBSIFR_MY (1 << 26)
+#define LDBBSIFR_CV3 (3 << 24)
+#define LDBBSIFR_CV2 (2 << 24)
+#define LDBBSIFR_CV1 (1 << 24)
+#define LDBBSIFR_CV0 (0 << 24)
+#define LDBBSIFR_CV_MASK (3 << 24)
+#define LDBBSIFR_LAY_MASK (0xff << 16)
+#define LDBBSIFR_LAY_SHIFT 16
+#define LDBBSIFR_ROP3_MASK (0xff << 16)
+#define LDBBSIFR_ROP3_SHIFT 16
+#define LDBBSIFR_AL_PL8 (3 << 14)
+#define LDBBSIFR_AL_PL1 (2 << 14)
+#define LDBBSIFR_AL_PK (1 << 14)
+#define LDBBSIFR_AL_1 (0 << 14)
+#define LDBBSIFR_AL_MASK (3 << 14)
+#define LDBBSIFR_SWPL (1 << 10)
+#define LDBBSIFR_SWPW (1 << 9)
+#define LDBBSIFR_SWPB (1 << 8)
+#define LDBBSIFR_RY (1 << 7)
+#define LDBBSIFR_CHRR_420 (2 << 0)
+#define LDBBSIFR_CHRR_422 (1 << 0)
+#define LDBBSIFR_CHRR_444 (0 << 0)
+#define LDBBSIFR_RPKF_ARGB32 (0x00 << 0)
+#define LDBBSIFR_RPKF_RGB16 (0x03 << 0)
+#define LDBBSIFR_RPKF_RGB24 (0x0b << 0)
+#define LDBBSIFR_RPKF_MASK (0x1f << 0)
+#define LDBnBSSZR(n) (0xb20 + (n) * 0x20 + 0x04)
+#define LDBBSSZR_BVSS_MASK (0xfff << 16)
+#define LDBBSSZR_BVSS_SHIFT 16
+#define LDBBSSZR_BHSS_MASK (0xfff << 0)
+#define LDBBSSZR_BHSS_SHIFT 0
+#define LDBnBLOCR(n) (0xb20 + (n) * 0x20 + 0x08)
+#define LDBBLOCR_CVLC_MASK (0xfff << 16)
+#define LDBBLOCR_CVLC_SHIFT 16
+#define LDBBLOCR_CHLC_MASK (0xfff << 0)
+#define LDBBLOCR_CHLC_SHIFT 0
+#define LDBnBSMWR(n) (0xb20 + (n) * 0x20 + 0x0c)
+#define LDBBSMWR_BSMWA_MASK (0xffff << 16)
+#define LDBBSMWR_BSMWA_SHIFT 16
+#define LDBBSMWR_BSMW_MASK (0xffff << 0)
+#define LDBBSMWR_BSMW_SHIFT 0
+#define LDBnBSAYR(n) (0xb20 + (n) * 0x20 + 0x10)
+#define LDBBSAYR_FG1A_MASK (0xff << 24)
+#define LDBBSAYR_FG1A_SHIFT 24
+#define LDBBSAYR_FG1R_MASK (0xff << 16)
+#define LDBBSAYR_FG1R_SHIFT 16
+#define LDBBSAYR_FG1G_MASK (0xff << 8)
+#define LDBBSAYR_FG1G_SHIFT 8
+#define LDBBSAYR_FG1B_MASK (0xff << 0)
+#define LDBBSAYR_FG1B_SHIFT 0
+#define LDBnBSACR(n) (0xb20 + (n) * 0x20 + 0x14)
+#define LDBBSACR_FG2A_MASK (0xff << 24)
+#define LDBBSACR_FG2A_SHIFT 24
+#define LDBBSACR_FG2R_MASK (0xff << 16)
+#define LDBBSACR_FG2R_SHIFT 16
+#define LDBBSACR_FG2G_MASK (0xff << 8)
+#define LDBBSACR_FG2G_SHIFT 8
+#define LDBBSACR_FG2B_MASK (0xff << 0)
+#define LDBBSACR_FG2B_SHIFT 0
+#define LDBnBSAAR(n) (0xb20 + (n) * 0x20 + 0x18)
+#define LDBBSAAR_AP_MASK (0xff << 24)
+#define LDBBSAAR_AP_SHIFT 24
+#define LDBBSAAR_R_MASK (0xff << 16)
+#define LDBBSAAR_R_SHIFT 16
+#define LDBBSAAR_GY_MASK (0xff << 8)
+#define LDBBSAAR_GY_SHIFT 8
+#define LDBBSAAR_B_MASK (0xff << 0)
+#define LDBBSAAR_B_SHIFT 0
+#define LDBnBPPCR(n) (0xb20 + (n) * 0x20 + 0x1c)
+#define LDBBPPCR_AP_MASK (0xff << 24)
+#define LDBBPPCR_AP_SHIFT 24
+#define LDBBPPCR_R_MASK (0xff << 16)
+#define LDBBPPCR_R_SHIFT 16
+#define LDBBPPCR_GY_MASK (0xff << 8)
+#define LDBBPPCR_GY_SHIFT 8
+#define LDBBPPCR_B_MASK (0xff << 0)
+#define LDBBPPCR_B_SHIFT 0
+#define LDBnBBGCL(n) (0xb10 + (n) * 0x04)
+#define LDBBBGCL_BGA_MASK (0xff << 24)
+#define LDBBBGCL_BGA_SHIFT 24
+#define LDBBBGCL_BGR_MASK (0xff << 16)
+#define LDBBBGCL_BGR_SHIFT 16
+#define LDBBBGCL_BGG_MASK (0xff << 8)
+#define LDBBBGCL_BGG_SHIFT 8
+#define LDBBBGCL_BGB_MASK (0xff << 0)
+#define LDBBBGCL_BGB_SHIFT 0
+
+#define LCDC_SIDE_B_OFFSET 0x1000
+#define LCDC_MIRROR_OFFSET 0x2000
+
+static inline bool lcdc_is_banked(u32 reg)
+{
+ switch (reg) {
+ case LDMT1R:
+ case LDMT2R:
+ case LDMT3R:
+ case LDDFR:
+ case LDSM1R:
+ case LDSA1R:
+ case LDSA2R:
+ case LDMLSR:
+ case LDWBFR:
+ case LDWBCNTR:
+ case LDWBAR:
+ case LDHCNR:
+ case LDHSYNR:
+ case LDVLNR:
+ case LDVSYNR:
+ case LDHPDR:
+ case LDVPDR:
+ case LDHAJR:
+ return true;
+ default:
+ return reg >= LDBnBBGCL(0) && reg <= LDBnBPPCR(3);
+ }
+}
+
+static inline void lcdc_write_mirror(struct shmob_drm_device *sdev, u32 reg,
+ u32 data)
+{
+ iowrite32(data, sdev->mmio + reg + LCDC_MIRROR_OFFSET);
+}
+
+static inline void lcdc_write(struct shmob_drm_device *sdev, u32 reg, u32 data)
+{
+ iowrite32(data, sdev->mmio + reg);
+ if (lcdc_is_banked(reg))
+ iowrite32(data, sdev->mmio + reg + LCDC_SIDE_B_OFFSET);
+}
+
+static inline u32 lcdc_read(struct shmob_drm_device *sdev, u32 reg)
+{
+ return ioread32(sdev->mmio + reg);
+}
+
+static inline int lcdc_wait_bit(struct shmob_drm_device *sdev, u32 reg,
+ u32 mask, u32 until)
+{
+ unsigned long timeout = jiffies + msecs_to_jiffies(5);
+
+ while ((lcdc_read(sdev, reg) & mask) != until) {
+ if (time_after(jiffies, timeout))
+ return -ETIMEDOUT;
+ cpu_relax();
+ }
+
+ return 0;
+}
+
+#endif /* __SHMOB_DRM_REGS_H__ */
total_len = usb_get_descriptor(usbdev, 0x5f, /* vendor specific */
0, desc, MAX_VENDOR_DESCRIPTOR_SIZE);
if (total_len > 5) {
- DRM_INFO("vendor descriptor length:%x data:%02x %02x %02x %02x" \
- "%02x %02x %02x %02x %02x %02x %02x\n",
- total_len, desc[0],
- desc[1], desc[2], desc[3], desc[4], desc[5], desc[6],
- desc[7], desc[8], desc[9], desc[10]);
+ DRM_INFO("vendor descriptor length:%x data:%*ph\n",
+ total_len, 11, desc);
if ((desc[0] != total_len) || /* descriptor length */
(desc[1] != 0x5f) || /* vendor descriptor type */
DRM_ERROR("Failed allocating a device private struct.\n");
return -ENOMEM;
}
- memset(dev_priv, 0, sizeof(*dev_priv));
pci_set_master(dev->pdev);
}
/* only need to do this once */
- memset(cmd, 0, fifo_size);
cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
int video_latency[2]; /* [0]: progressive, [1]: interlaced */
int audio_latency[2];
int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */
+ unsigned bad_edid_counter;
};
/**
int hdisplay, int vdisplay);
extern int drm_edid_header_is_valid(const u8 *raw_edid);
-extern bool drm_edid_block_valid(u8 *raw_edid, int block);
+extern bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid);
extern bool drm_edid_is_valid(struct edid *edid);
struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
int hsize, int vsize, int fresh,
--- /dev/null
+#ifndef __DRM_FB_CMA_HELPER_H__
+#define __DRM_FB_CMA_HELPER_H__
+
+struct drm_fbdev_cma;
+struct drm_gem_cma_object;
+
+struct drm_framebuffer;
+struct drm_device;
+struct drm_file;
+struct drm_mode_fb_cmd2;
+
+struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev,
+ unsigned int preferred_bpp, unsigned int num_crtc,
+ unsigned int max_conn_count);
+void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma);
+
+void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma);
+void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma);
+
+struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev,
+ struct drm_file *file_priv, struct drm_mode_fb_cmd2 *mode_cmd);
+
+struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer *fb,
+ unsigned int plane);
+
+#endif
+
#define DRM_FORMAT_NV21 fourcc_code('N', 'V', '2', '1') /* 2x2 subsampled Cb:Cr plane */
#define DRM_FORMAT_NV16 fourcc_code('N', 'V', '1', '6') /* 2x1 subsampled Cr:Cb plane */
#define DRM_FORMAT_NV61 fourcc_code('N', 'V', '6', '1') /* 2x1 subsampled Cb:Cr plane */
+#define DRM_FORMAT_NV24 fourcc_code('N', 'V', '2', '4') /* non-subsampled Cr:Cb plane */
+#define DRM_FORMAT_NV42 fourcc_code('N', 'V', '4', '2') /* non-subsampled Cb:Cr plane */
/* 2 non contiguous plane YCbCr */
#define DRM_FORMAT_NV12M fourcc_code('N', 'M', '1', '2') /* 2x2 subsampled Cr:Cb plane */
--- /dev/null
+#ifndef __DRM_GEM_CMA_HELPER_H__
+#define __DRM_GEM_CMA_HELPER_H__
+
+struct drm_gem_cma_object {
+ struct drm_gem_object base;
+ dma_addr_t paddr;
+ void *vaddr;
+};
+
+static inline struct drm_gem_cma_object *
+to_drm_gem_cma_obj(struct drm_gem_object *gem_obj)
+{
+ return container_of(gem_obj, struct drm_gem_cma_object, base);
+}
+
+/* free gem object. */
+void drm_gem_cma_free_object(struct drm_gem_object *gem_obj);
+
+/* create memory region for drm framebuffer. */
+int drm_gem_cma_dumb_create(struct drm_file *file_priv,
+ struct drm_device *drm, struct drm_mode_create_dumb *args);
+
+/* map memory region for drm framebuffer to user space. */
+int drm_gem_cma_dumb_map_offset(struct drm_file *file_priv,
+ struct drm_device *drm, uint32_t handle, uint64_t *offset);
+
+/* set vm_flags and we can change the vm attribute to other one at here. */
+int drm_gem_cma_mmap(struct file *filp, struct vm_area_struct *vma);
+
+/*
+ * destroy memory region allocated.
+ * - a gem handle and physical memory region pointed by a gem object
+ * would be released by drm_gem_handle_delete().
+ */
+int drm_gem_cma_dumb_destroy(struct drm_file *file_priv,
+ struct drm_device *drm, unsigned int handle);
+
+/* allocate physical memory. */
+struct drm_gem_cma_object *drm_gem_cma_create(struct drm_device *drm,
+ unsigned int size);
+
+extern const struct vm_operations_struct drm_gem_cma_vm_ops;
+
+#endif /* __DRM_GEM_CMA_HELPER_H__ */
--- /dev/null
+/*
+ * shmob_drm.h -- SH Mobile DRM driver
+ *
+ * Copyright (C) 2012 Renesas Corporation
+ *
+ * Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __SHMOB_DRM_H__
+#define __SHMOB_DRM_H__
+
+#include <linux/kernel.h>
+
+#include <drm/drm_mode.h>
+
+struct sh_mobile_meram_cfg;
+struct sh_mobile_meram_info;
+
+enum shmob_drm_clk_source {
+ SHMOB_DRM_CLK_BUS,
+ SHMOB_DRM_CLK_PERIPHERAL,
+ SHMOB_DRM_CLK_EXTERNAL,
+};
+
+enum shmob_drm_interface {
+ SHMOB_DRM_IFACE_RGB8, /* 24bpp, 8:8:8 */
+ SHMOB_DRM_IFACE_RGB9, /* 18bpp, 9:9 */
+ SHMOB_DRM_IFACE_RGB12A, /* 24bpp, 12:12 */
+ SHMOB_DRM_IFACE_RGB12B, /* 12bpp */
+ SHMOB_DRM_IFACE_RGB16, /* 16bpp */
+ SHMOB_DRM_IFACE_RGB18, /* 18bpp */
+ SHMOB_DRM_IFACE_RGB24, /* 24bpp */
+ SHMOB_DRM_IFACE_YUV422, /* 16bpp */
+ SHMOB_DRM_IFACE_SYS8A, /* 24bpp, 8:8:8 */
+ SHMOB_DRM_IFACE_SYS8B, /* 18bpp, 8:8:2 */
+ SHMOB_DRM_IFACE_SYS8C, /* 18bpp, 2:8:8 */
+ SHMOB_DRM_IFACE_SYS8D, /* 16bpp, 8:8 */
+ SHMOB_DRM_IFACE_SYS9, /* 18bpp, 9:9 */
+ SHMOB_DRM_IFACE_SYS12, /* 24bpp, 12:12 */
+ SHMOB_DRM_IFACE_SYS16A, /* 16bpp */
+ SHMOB_DRM_IFACE_SYS16B, /* 18bpp, 16:2 */
+ SHMOB_DRM_IFACE_SYS16C, /* 18bpp, 2:16 */
+ SHMOB_DRM_IFACE_SYS18, /* 18bpp */
+ SHMOB_DRM_IFACE_SYS24, /* 24bpp */
+};
+
+struct shmob_drm_backlight_data {
+ const char *name;
+ int max_brightness;
+ int (*get_brightness)(void);
+ int (*set_brightness)(int brightness);
+};
+
+struct shmob_drm_panel_data {
+ unsigned int width_mm; /* Panel width in mm */
+ unsigned int height_mm; /* Panel height in mm */
+ struct drm_mode_modeinfo mode;
+};
+
+struct shmob_drm_sys_interface_data {
+ unsigned int read_latch:6;
+ unsigned int read_setup:8;
+ unsigned int read_cycle:8;
+ unsigned int read_strobe:8;
+ unsigned int write_setup:8;
+ unsigned int write_cycle:8;
+ unsigned int write_strobe:8;
+ unsigned int cs_setup:3;
+ unsigned int vsync_active_high:1;
+ unsigned int vsync_dir_input:1;
+};
+
+#define SHMOB_DRM_IFACE_FL_DWPOL (1 << 0) /* Rising edge dot clock data latch */
+#define SHMOB_DRM_IFACE_FL_DIPOL (1 << 1) /* Active low display enable */
+#define SHMOB_DRM_IFACE_FL_DAPOL (1 << 2) /* Active low display data */
+#define SHMOB_DRM_IFACE_FL_HSCNT (1 << 3) /* Disable HSYNC during VBLANK */
+#define SHMOB_DRM_IFACE_FL_DWCNT (1 << 4) /* Disable dotclock during blanking */
+
+struct shmob_drm_interface_data {
+ enum shmob_drm_interface interface;
+ struct shmob_drm_sys_interface_data sys;
+ unsigned int clk_div;
+ unsigned int flags;
+};
+
+struct shmob_drm_platform_data {
+ enum shmob_drm_clk_source clk_source;
+ struct shmob_drm_interface_data iface;
+ struct shmob_drm_panel_data panel;
+ struct shmob_drm_backlight_data backlight;
+ const struct sh_mobile_meram_cfg *meram;
+};
+
+#endif /* __SHMOB_DRM_H__ */
projects / deliverable / linux.git / commitdiff
