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path: root/drivers/gpu/drm/omapdrm/dss/dsi.c
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Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/dsi.c')
-rw-r--r--drivers/gpu/drm/omapdrm/dss/dsi.c220
1 files changed, 110 insertions, 110 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
index 789c26baad86..08dd76b4549a 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -214,7 +214,7 @@ static void dsi_set_ulps_auto(struct dsi_data *dsi, bool enable);
static int dsi_display_init_dispc(struct dsi_data *dsi);
static void dsi_display_uninit_dispc(struct dsi_data *dsi);
-static int dsi_vc_send_null(struct dsi_data *dsi, int channel);
+static int dsi_vc_send_null(struct dsi_data *dsi, int vc);
static ssize_t _omap_dsi_host_transfer(struct dsi_data *dsi,
const struct mipi_dsi_msg *msg);
@@ -376,7 +376,7 @@ struct dsi_data {
/* space for a copy used by the interrupt handler */
struct dsi_isr_tables isr_tables_copy;
- int update_channel;
+ int update_vc;
#ifdef DSI_PERF_MEASURE
unsigned int update_bytes;
#endif
@@ -639,7 +639,7 @@ static void print_irq_status(u32 status)
#undef PIS
}
-static void print_irq_status_vc(int channel, u32 status)
+static void print_irq_status_vc(int vc, u32 status)
{
if (status == 0)
return;
@@ -650,7 +650,7 @@ static void print_irq_status_vc(int channel, u32 status)
#define PIS(x) (status & DSI_VC_IRQ_##x) ? (#x " ") : ""
pr_debug("DSI VC(%d) IRQ 0x%x: %s%s%s%s%s%s%s%s%s\n",
- channel,
+ vc,
status,
PIS(CS),
PIS(ECC_CORR),
@@ -1031,7 +1031,7 @@ static int dsi_unregister_isr(struct dsi_data *dsi, omap_dsi_isr_t isr,
return r;
}
-static int dsi_register_isr_vc(struct dsi_data *dsi, int channel,
+static int dsi_register_isr_vc(struct dsi_data *dsi, int vc,
omap_dsi_isr_t isr, void *arg, u32 mask)
{
unsigned long flags;
@@ -1040,18 +1040,18 @@ static int dsi_register_isr_vc(struct dsi_data *dsi, int channel,
spin_lock_irqsave(&dsi->irq_lock, flags);
r = _dsi_register_isr(isr, arg, mask,
- dsi->isr_tables.isr_table_vc[channel],
- ARRAY_SIZE(dsi->isr_tables.isr_table_vc[channel]));
+ dsi->isr_tables.isr_table_vc[vc],
+ ARRAY_SIZE(dsi->isr_tables.isr_table_vc[vc]));
if (r == 0)
- _omap_dsi_set_irqs_vc(dsi, channel);
+ _omap_dsi_set_irqs_vc(dsi, vc);
spin_unlock_irqrestore(&dsi->irq_lock, flags);
return r;
}
-static int dsi_unregister_isr_vc(struct dsi_data *dsi, int channel,
+static int dsi_unregister_isr_vc(struct dsi_data *dsi, int vc,
omap_dsi_isr_t isr, void *arg, u32 mask)
{
unsigned long flags;
@@ -1060,11 +1060,11 @@ static int dsi_unregister_isr_vc(struct dsi_data *dsi, int channel,
spin_lock_irqsave(&dsi->irq_lock, flags);
r = _dsi_unregister_isr(isr, arg, mask,
- dsi->isr_tables.isr_table_vc[channel],
- ARRAY_SIZE(dsi->isr_tables.isr_table_vc[channel]));
+ dsi->isr_tables.isr_table_vc[vc],
+ ARRAY_SIZE(dsi->isr_tables.isr_table_vc[vc]));
if (r == 0)
- _omap_dsi_set_irqs_vc(dsi, channel);
+ _omap_dsi_set_irqs_vc(dsi, vc);
spin_unlock_irqrestore(&dsi->irq_lock, flags);
@@ -2234,9 +2234,9 @@ static int dsi_force_tx_stop_mode_io(struct dsi_data *dsi)
return 0;
}
-static bool dsi_vc_is_enabled(struct dsi_data *dsi, int channel)
+static bool dsi_vc_is_enabled(struct dsi_data *dsi, int vc)
{
- return REG_GET(dsi, DSI_VC_CTRL(channel), 0, 0);
+ return REG_GET(dsi, DSI_VC_CTRL(vc), 0, 0);
}
static void dsi_packet_sent_handler_vp(void *data, u32 mask)
@@ -2244,14 +2244,14 @@ static void dsi_packet_sent_handler_vp(void *data, u32 mask)
struct dsi_packet_sent_handler_data *vp_data =
(struct dsi_packet_sent_handler_data *) data;
struct dsi_data *dsi = vp_data->dsi;
- const int channel = dsi->update_channel;
+ const int vc = dsi->update_vc;
u8 bit = dsi->te_enabled ? 30 : 31;
- if (REG_GET(dsi, DSI_VC_TE(channel), bit, bit) == 0)
+ if (REG_GET(dsi, DSI_VC_TE(vc), bit, bit) == 0)
complete(vp_data->completion);
}
-static int dsi_sync_vc_vp(struct dsi_data *dsi, int channel)
+static int dsi_sync_vc_vp(struct dsi_data *dsi, int vc)
{
DECLARE_COMPLETION_ONSTACK(completion);
struct dsi_packet_sent_handler_data vp_data = {
@@ -2263,13 +2263,13 @@ static int dsi_sync_vc_vp(struct dsi_data *dsi, int channel)
bit = dsi->te_enabled ? 30 : 31;
- r = dsi_register_isr_vc(dsi, channel, dsi_packet_sent_handler_vp,
+ r = dsi_register_isr_vc(dsi, vc, dsi_packet_sent_handler_vp,
&vp_data, DSI_VC_IRQ_PACKET_SENT);
if (r)
goto err0;
/* Wait for completion only if TE_EN/TE_START is still set */
- if (REG_GET(dsi, DSI_VC_TE(channel), bit, bit)) {
+ if (REG_GET(dsi, DSI_VC_TE(vc), bit, bit)) {
if (wait_for_completion_timeout(&completion,
msecs_to_jiffies(10)) == 0) {
DSSERR("Failed to complete previous frame transfer\n");
@@ -2278,12 +2278,12 @@ static int dsi_sync_vc_vp(struct dsi_data *dsi, int channel)
}
}
- dsi_unregister_isr_vc(dsi, channel, dsi_packet_sent_handler_vp,
+ dsi_unregister_isr_vc(dsi, vc, dsi_packet_sent_handler_vp,
&vp_data, DSI_VC_IRQ_PACKET_SENT);
return 0;
err1:
- dsi_unregister_isr_vc(dsi, channel, dsi_packet_sent_handler_vp,
+ dsi_unregister_isr_vc(dsi, vc, dsi_packet_sent_handler_vp,
&vp_data, DSI_VC_IRQ_PACKET_SENT);
err0:
return r;
@@ -2294,13 +2294,13 @@ static void dsi_packet_sent_handler_l4(void *data, u32 mask)
struct dsi_packet_sent_handler_data *l4_data =
(struct dsi_packet_sent_handler_data *) data;
struct dsi_data *dsi = l4_data->dsi;
- const int channel = dsi->update_channel;
+ const int vc = dsi->update_vc;
- if (REG_GET(dsi, DSI_VC_CTRL(channel), 5, 5) == 0)
+ if (REG_GET(dsi, DSI_VC_CTRL(vc), 5, 5) == 0)
complete(l4_data->completion);
}
-static int dsi_sync_vc_l4(struct dsi_data *dsi, int channel)
+static int dsi_sync_vc_l4(struct dsi_data *dsi, int vc)
{
DECLARE_COMPLETION_ONSTACK(completion);
struct dsi_packet_sent_handler_data l4_data = {
@@ -2309,13 +2309,13 @@ static int dsi_sync_vc_l4(struct dsi_data *dsi, int channel)
};
int r = 0;
- r = dsi_register_isr_vc(dsi, channel, dsi_packet_sent_handler_l4,
+ r = dsi_register_isr_vc(dsi, vc, dsi_packet_sent_handler_l4,
&l4_data, DSI_VC_IRQ_PACKET_SENT);
if (r)
goto err0;
/* Wait for completion only if TX_FIFO_NOT_EMPTY is still set */
- if (REG_GET(dsi, DSI_VC_CTRL(channel), 5, 5)) {
+ if (REG_GET(dsi, DSI_VC_CTRL(vc), 5, 5)) {
if (wait_for_completion_timeout(&completion,
msecs_to_jiffies(10)) == 0) {
DSSERR("Failed to complete previous l4 transfer\n");
@@ -2324,47 +2324,47 @@ static int dsi_sync_vc_l4(struct dsi_data *dsi, int channel)
}
}
- dsi_unregister_isr_vc(dsi, channel, dsi_packet_sent_handler_l4,
+ dsi_unregister_isr_vc(dsi, vc, dsi_packet_sent_handler_l4,
&l4_data, DSI_VC_IRQ_PACKET_SENT);
return 0;
err1:
- dsi_unregister_isr_vc(dsi, channel, dsi_packet_sent_handler_l4,
+ dsi_unregister_isr_vc(dsi, vc, dsi_packet_sent_handler_l4,
&l4_data, DSI_VC_IRQ_PACKET_SENT);
err0:
return r;
}
-static int dsi_sync_vc(struct dsi_data *dsi, int channel)
+static int dsi_sync_vc(struct dsi_data *dsi, int vc)
{
WARN_ON(!dsi_bus_is_locked(dsi));
WARN_ON(in_interrupt());
- if (!dsi_vc_is_enabled(dsi, channel))
+ if (!dsi_vc_is_enabled(dsi, vc))
return 0;
- switch (dsi->vc[channel].source) {
+ switch (dsi->vc[vc].source) {
case DSI_VC_SOURCE_VP:
- return dsi_sync_vc_vp(dsi, channel);
+ return dsi_sync_vc_vp(dsi, vc);
case DSI_VC_SOURCE_L4:
- return dsi_sync_vc_l4(dsi, channel);
+ return dsi_sync_vc_l4(dsi, vc);
default:
BUG();
return -EINVAL;
}
}
-static int dsi_vc_enable(struct dsi_data *dsi, int channel, bool enable)
+static int dsi_vc_enable(struct dsi_data *dsi, int vc, bool enable)
{
- DSSDBG("dsi_vc_enable channel %d, enable %d\n",
- channel, enable);
+ DSSDBG("dsi_vc_enable vc %d, enable %d\n",
+ vc, enable);
enable = enable ? 1 : 0;
- REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), enable, 0, 0);
+ REG_FLD_MOD(dsi, DSI_VC_CTRL(vc), enable, 0, 0);
- if (!wait_for_bit_change(dsi, DSI_VC_CTRL(channel), 0, enable)) {
+ if (!wait_for_bit_change(dsi, DSI_VC_CTRL(vc), 0, enable)) {
DSSERR("Failed to set dsi_vc_enable to %d\n", enable);
return -EIO;
}
@@ -2372,17 +2372,17 @@ static int dsi_vc_enable(struct dsi_data *dsi, int channel, bool enable)
return 0;
}
-static void dsi_vc_initial_config(struct dsi_data *dsi, int channel)
+static void dsi_vc_initial_config(struct dsi_data *dsi, int vc)
{
u32 r;
- DSSDBG("Initial config of virtual channel %d", channel);
+ DSSDBG("Initial config of VC %d", vc);
- r = dsi_read_reg(dsi, DSI_VC_CTRL(channel));
+ r = dsi_read_reg(dsi, DSI_VC_CTRL(vc));
if (FLD_GET(r, 15, 15)) /* VC_BUSY */
DSSERR("VC(%d) busy when trying to configure it!\n",
- channel);
+ vc);
r = FLD_MOD(r, 0, 1, 1); /* SOURCE, 0 = L4 */
r = FLD_MOD(r, 0, 2, 2); /* BTA_SHORT_EN */
@@ -2397,76 +2397,76 @@ static void dsi_vc_initial_config(struct dsi_data *dsi, int channel)
r = FLD_MOD(r, 4, 29, 27); /* DMA_RX_REQ_NB = no dma */
r = FLD_MOD(r, 4, 23, 21); /* DMA_TX_REQ_NB = no dma */
- dsi_write_reg(dsi, DSI_VC_CTRL(channel), r);
+ dsi_write_reg(dsi, DSI_VC_CTRL(vc), r);
- dsi->vc[channel].source = DSI_VC_SOURCE_L4;
+ dsi->vc[vc].source = DSI_VC_SOURCE_L4;
}
-static int dsi_vc_config_source(struct dsi_data *dsi, int channel,
+static int dsi_vc_config_source(struct dsi_data *dsi, int vc,
enum dsi_vc_source source)
{
- if (dsi->vc[channel].source == source)
+ if (dsi->vc[vc].source == source)
return 0;
- DSSDBG("Source config of virtual channel %d", channel);
+ DSSDBG("Source config of VC %d", vc);
- dsi_sync_vc(dsi, channel);
+ dsi_sync_vc(dsi, vc);
- dsi_vc_enable(dsi, channel, 0);
+ dsi_vc_enable(dsi, vc, 0);
/* VC_BUSY */
- if (!wait_for_bit_change(dsi, DSI_VC_CTRL(channel), 15, 0)) {
- DSSERR("vc(%d) busy when trying to config for VP\n", channel);
+ if (!wait_for_bit_change(dsi, DSI_VC_CTRL(vc), 15, 0)) {
+ DSSERR("vc(%d) busy when trying to config for VP\n", vc);
return -EIO;
}
/* SOURCE, 0 = L4, 1 = video port */
- REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), source, 1, 1);
+ REG_FLD_MOD(dsi, DSI_VC_CTRL(vc), source, 1, 1);
/* DCS_CMD_ENABLE */
if (dsi->data->quirks & DSI_QUIRK_DCS_CMD_CONFIG_VC) {
bool enable = source == DSI_VC_SOURCE_VP;
- REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), enable, 30, 30);
+ REG_FLD_MOD(dsi, DSI_VC_CTRL(vc), enable, 30, 30);
}
- dsi_vc_enable(dsi, channel, 1);
+ dsi_vc_enable(dsi, vc, 1);
- dsi->vc[channel].source = source;
+ dsi->vc[vc].source = source;
return 0;
}
-static void dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel,
+static void dsi_vc_enable_hs(struct omap_dss_device *dssdev, int vc,
bool enable)
{
struct dsi_data *dsi = to_dsi_data(dssdev);
- DSSDBG("dsi_vc_enable_hs(%d, %d)\n", channel, enable);
+ DSSDBG("dsi_vc_enable_hs(%d, %d)\n", vc, enable);
WARN_ON(!dsi_bus_is_locked(dsi));
- dsi_vc_enable(dsi, channel, 0);
+ dsi_vc_enable(dsi, vc, 0);
dsi_if_enable(dsi, 0);
- REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), enable, 9, 9);
+ REG_FLD_MOD(dsi, DSI_VC_CTRL(vc), enable, 9, 9);
- dsi_vc_enable(dsi, channel, 1);
+ dsi_vc_enable(dsi, vc, 1);
dsi_if_enable(dsi, 1);
dsi_force_tx_stop_mode_io(dsi);
/* start the DDR clock by sending a NULL packet */
if (dsi->vm_timings.ddr_clk_always_on && enable)
- dsi_vc_send_null(dsi, channel);
+ dsi_vc_send_null(dsi, vc);
dsi->in_lp_mode = !enable;
}
-static void dsi_vc_flush_long_data(struct dsi_data *dsi, int channel)
+static void dsi_vc_flush_long_data(struct dsi_data *dsi, int vc)
{
- while (REG_GET(dsi, DSI_VC_CTRL(channel), 20, 20)) {
+ while (REG_GET(dsi, DSI_VC_CTRL(vc), 20, 20)) {
u32 val;
- val = dsi_read_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(channel));
+ val = dsi_read_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(vc));
DSSDBG("\t\tb1 %#02x b2 %#02x b3 %#02x b4 %#02x\n",
(val >> 0) & 0xff,
(val >> 8) & 0xff,
@@ -2512,13 +2512,13 @@ static void dsi_show_rx_ack_with_err(u16 err)
DSSERR("\t\tDSI Protocol Violation\n");
}
-static u16 dsi_vc_flush_receive_data(struct dsi_data *dsi, int channel)
+static u16 dsi_vc_flush_receive_data(struct dsi_data *dsi, int vc)
{
/* RX_FIFO_NOT_EMPTY */
- while (REG_GET(dsi, DSI_VC_CTRL(channel), 20, 20)) {
+ while (REG_GET(dsi, DSI_VC_CTRL(vc), 20, 20)) {
u32 val;
u8 dt;
- val = dsi_read_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(channel));
+ val = dsi_read_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(vc));
DSSERR("\trawval %#08x\n", val);
dt = FLD_GET(val, 5, 0);
if (dt == MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT) {
@@ -2533,7 +2533,7 @@ static u16 dsi_vc_flush_receive_data(struct dsi_data *dsi, int channel)
} else if (dt == MIPI_DSI_RX_DCS_LONG_READ_RESPONSE) {
DSSERR("\tDCS long response, len %d\n",
FLD_GET(val, 23, 8));
- dsi_vc_flush_long_data(dsi, channel);
+ dsi_vc_flush_long_data(dsi, vc);
} else {
DSSERR("\tunknown datatype 0x%02x\n", dt);
}
@@ -2541,35 +2541,35 @@ static u16 dsi_vc_flush_receive_data(struct dsi_data *dsi, int channel)
return 0;
}
-static int dsi_vc_send_bta(struct dsi_data *dsi, int channel)
+static int dsi_vc_send_bta(struct dsi_data *dsi, int vc)
{
if (dsi->debug_write || dsi->debug_read)
- DSSDBG("dsi_vc_send_bta %d\n", channel);
+ DSSDBG("dsi_vc_send_bta %d\n", vc);
WARN_ON(!dsi_bus_is_locked(dsi));
/* RX_FIFO_NOT_EMPTY */
- if (REG_GET(dsi, DSI_VC_CTRL(channel), 20, 20)) {
+ if (REG_GET(dsi, DSI_VC_CTRL(vc), 20, 20)) {
DSSERR("rx fifo not empty when sending BTA, dumping data:\n");
- dsi_vc_flush_receive_data(dsi, channel);
+ dsi_vc_flush_receive_data(dsi, vc);
}
- REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), 1, 6, 6); /* BTA_EN */
+ REG_FLD_MOD(dsi, DSI_VC_CTRL(vc), 1, 6, 6); /* BTA_EN */
/* flush posted write */
- dsi_read_reg(dsi, DSI_VC_CTRL(channel));
+ dsi_read_reg(dsi, DSI_VC_CTRL(vc));
return 0;
}
-static int dsi_vc_send_bta_sync(struct omap_dss_device *dssdev, int channel)
+static int dsi_vc_send_bta_sync(struct omap_dss_device *dssdev, int vc)
{
struct dsi_data *dsi = to_dsi_data(dssdev);
DECLARE_COMPLETION_ONSTACK(completion);
int r = 0;
u32 err;
- r = dsi_register_isr_vc(dsi, channel, dsi_completion_handler,
+ r = dsi_register_isr_vc(dsi, vc, dsi_completion_handler,
&completion, DSI_VC_IRQ_BTA);
if (r)
goto err0;
@@ -2579,7 +2579,7 @@ static int dsi_vc_send_bta_sync(struct omap_dss_device *dssdev, int channel)
if (r)
goto err1;
- r = dsi_vc_send_bta(dsi, channel);
+ r = dsi_vc_send_bta(dsi, vc);
if (r)
goto err2;
@@ -2600,13 +2600,13 @@ err2:
dsi_unregister_isr(dsi, dsi_completion_handler, &completion,
DSI_IRQ_ERROR_MASK);
err1:
- dsi_unregister_isr_vc(dsi, channel, dsi_completion_handler,
+ dsi_unregister_isr_vc(dsi, vc, dsi_completion_handler,
&completion, DSI_VC_IRQ_BTA);
err0:
return r;
}
-static inline void dsi_vc_write_long_header(struct dsi_data *dsi, int channel,
+static inline void dsi_vc_write_long_header(struct dsi_data *dsi, int vc,
u8 data_type, u16 len, u8 ecc)
{
u32 val;
@@ -2614,15 +2614,15 @@ static inline void dsi_vc_write_long_header(struct dsi_data *dsi, int channel,
WARN_ON(!dsi_bus_is_locked(dsi));
- data_id = data_type | channel << 6;
+ data_id = data_type | vc << 6;
val = FLD_VAL(data_id, 7, 0) | FLD_VAL(len, 23, 8) |
FLD_VAL(ecc, 31, 24);
- dsi_write_reg(dsi, DSI_VC_LONG_PACKET_HEADER(channel), val);
+ dsi_write_reg(dsi, DSI_VC_LONG_PACKET_HEADER(vc), val);
}
-static inline void dsi_vc_write_long_payload(struct dsi_data *dsi, int channel,
+static inline void dsi_vc_write_long_payload(struct dsi_data *dsi, int vc,
u8 b1, u8 b2, u8 b3, u8 b4)
{
u32 val;
@@ -2632,7 +2632,7 @@ static inline void dsi_vc_write_long_payload(struct dsi_data *dsi, int channel,
/* DSSDBG("\twriting %02x, %02x, %02x, %02x (%#010x)\n",
b1, b2, b3, b4, val); */
- dsi_write_reg(dsi, DSI_VC_LONG_PACKET_PAYLOAD(channel), val);
+ dsi_write_reg(dsi, DSI_VC_LONG_PACKET_PAYLOAD(vc), val);
}
static int dsi_vc_send_long(struct dsi_data *dsi,
@@ -2729,10 +2729,10 @@ static int dsi_vc_send_short(struct dsi_data *dsi,
return 0;
}
-static int dsi_vc_send_null(struct dsi_data *dsi, int channel)
+static int dsi_vc_send_null(struct dsi_data *dsi, int vc)
{
const struct mipi_dsi_msg msg = {
- .channel = channel,
+ .channel = vc,
.type = MIPI_DSI_NULL_PACKET,
};
@@ -2776,7 +2776,7 @@ static int dsi_vc_write_common(struct omap_dss_device *dssdev,
return 0;
}
-static int dsi_vc_read_rx_fifo(struct dsi_data *dsi, int channel, u8 *buf,
+static int dsi_vc_read_rx_fifo(struct dsi_data *dsi, int vc, u8 *buf,
int buflen, enum dss_dsi_content_type type)
{
u32 val;
@@ -2784,13 +2784,13 @@ static int dsi_vc_read_rx_fifo(struct dsi_data *dsi, int channel, u8 *buf,
int r;
/* RX_FIFO_NOT_EMPTY */
- if (REG_GET(dsi, DSI_VC_CTRL(channel), 20, 20) == 0) {
+ if (REG_GET(dsi, DSI_VC_CTRL(vc), 20, 20) == 0) {
DSSERR("RX fifo empty when trying to read.\n");
r = -EIO;
goto err;
}
- val = dsi_read_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(channel));
+ val = dsi_read_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(vc));
if (dsi->debug_read)
DSSDBG("\theader: %08x\n", val);
dt = FLD_GET(val, 5, 0);
@@ -2854,7 +2854,7 @@ static int dsi_vc_read_rx_fifo(struct dsi_data *dsi, int channel, u8 *buf,
for (w = 0; w < len + 2;) {
int b;
val = dsi_read_reg(dsi,
- DSI_VC_SHORT_PACKET_HEADER(channel));
+ DSI_VC_SHORT_PACKET_HEADER(vc));
if (dsi->debug_read)
DSSDBG("\t\t%02x %02x %02x %02x\n",
(val >> 0) & 0xff,
@@ -2878,7 +2878,7 @@ static int dsi_vc_read_rx_fifo(struct dsi_data *dsi, int channel, u8 *buf,
}
err:
- DSSERR("dsi_vc_read_rx_fifo(ch %d type %s) failed\n", channel,
+ DSSERR("dsi_vc_read_rx_fifo(vc %d type %s) failed\n", vc,
type == DSS_DSI_CONTENT_GENERIC ? "GENERIC" : "DCS");
return r;
@@ -3633,7 +3633,7 @@ static int dsi_configure_pins(struct dsi_data *dsi,
return 0;
}
-static void dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
+static void dsi_enable_video_output(struct omap_dss_device *dssdev, int vc)
{
struct dsi_data *dsi = to_dsi_data(dssdev);
int bpp = mipi_dsi_pixel_format_to_bpp(dsi->pix_fmt);
@@ -3667,17 +3667,17 @@ static void dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
}
dsi_if_enable(dsi, false);
- dsi_vc_enable(dsi, channel, false);
+ dsi_vc_enable(dsi, vc, false);
/* MODE, 1 = video mode */
- REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), 1, 4, 4);
+ REG_FLD_MOD(dsi, DSI_VC_CTRL(vc), 1, 4, 4);
word_count = DIV_ROUND_UP(dsi->vm.hactive * bpp, 8);
- dsi_vc_write_long_header(dsi, channel, data_type,
+ dsi_vc_write_long_header(dsi, vc, data_type,
word_count, 0);
- dsi_vc_enable(dsi, channel, true);
+ dsi_vc_enable(dsi, vc, true);
dsi_if_enable(dsi, true);
}
@@ -3690,7 +3690,7 @@ static void dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
err_mgr_enable:
if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
dsi_if_enable(dsi, false);
- dsi_vc_enable(dsi, channel, false);
+ dsi_vc_enable(dsi, vc, false);
}
err_pix_fmt:
dsi_display_uninit_dispc(dsi);
@@ -3698,18 +3698,18 @@ err_pix_fmt:
return;
}
-static void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel)
+static void dsi_disable_video_output(struct omap_dss_device *dssdev, int vc)
{
struct dsi_data *dsi = to_dsi_data(dssdev);
if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
dsi_if_enable(dsi, false);
- dsi_vc_enable(dsi, channel, false);
+ dsi_vc_enable(dsi, vc, false);
/* MODE, 0 = command mode */
- REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), 0, 4, 4);
+ REG_FLD_MOD(dsi, DSI_VC_CTRL(vc), 0, 4, 4);
- dsi_vc_enable(dsi, channel, true);
+ dsi_vc_enable(dsi, vc, true);
dsi_if_enable(dsi, true);
}
@@ -3742,14 +3742,14 @@ static void dsi_update_screen_dispc(struct dsi_data *dsi)
unsigned int packet_len;
u32 l;
int r;
- const unsigned channel = dsi->update_channel;
+ const unsigned vc = dsi->update_vc;
const unsigned int line_buf_size = dsi->line_buffer_size;
u16 w = dsi->vm.hactive;
u16 h = dsi->vm.vactive;
DSSDBG("dsi_update_screen_dispc(%dx%d)\n", w, h);
- dsi_vc_config_source(dsi, channel, DSI_VC_SOURCE_VP);
+ dsi_vc_config_source(dsi, vc, DSI_VC_SOURCE_VP);
bytespp = mipi_dsi_pixel_format_to_bpp(dsi->pix_fmt) / 8;
bytespl = w * bytespp;
@@ -3770,16 +3770,16 @@ static void dsi_update_screen_dispc(struct dsi_data *dsi)
total_len += (bytespf % packet_payload) + 1;
l = FLD_VAL(total_len, 23, 0); /* TE_SIZE */
- dsi_write_reg(dsi, DSI_VC_TE(channel), l);
+ dsi_write_reg(dsi, DSI_VC_TE(vc), l);
- dsi_vc_write_long_header(dsi, channel, MIPI_DSI_DCS_LONG_WRITE,
+ dsi_vc_write_long_header(dsi, vc, MIPI_DSI_DCS_LONG_WRITE,
packet_len, 0);
if (dsi->te_enabled)
l = FLD_MOD(l, 1, 30, 30); /* TE_EN */
else
l = FLD_MOD(l, 1, 31, 31); /* TE_START */
- dsi_write_reg(dsi, DSI_VC_TE(channel), l);
+ dsi_write_reg(dsi, DSI_VC_TE(vc), l);
/* We put SIDLEMODE to no-idle for the duration of the transfer,
* because DSS interrupts are not capable of waking up the CPU and the
@@ -3802,7 +3802,7 @@ static void dsi_update_screen_dispc(struct dsi_data *dsi)
* for TE is longer than the timer allows */
REG_FLD_MOD(dsi, DSI_TIMING2, 0, 15, 15); /* LP_RX_TO */
- dsi_vc_send_bta(dsi, channel);
+ dsi_vc_send_bta(dsi, vc);
#ifdef DSI_CATCH_MISSING_TE
mod_timer(&dsi->te_timer, jiffies + msecs_to_jiffies(250));
@@ -3894,7 +3894,7 @@ static int _dsi_send_nop(struct dsi_data *dsi, int channel)
return _omap_dsi_host_transfer(dsi, &msg);
}
-static int dsi_update_channel(struct omap_dss_device *dssdev, int channel)
+static int dsi_update_channel(struct omap_dss_device *dssdev, int vc)
{
struct dsi_data *dsi = to_dsi_data(dssdev);
int r;
@@ -3911,7 +3911,7 @@ static int dsi_update_channel(struct omap_dss_device *dssdev, int channel)
goto err;
}
- DSSDBG("dsi_update_channel: %d", channel);
+ DSSDBG("dsi_update_channel: %d", vc);
dsi_set_ulps_auto(dsi, false);
@@ -3920,13 +3920,13 @@ static int dsi_update_channel(struct omap_dss_device *dssdev, int channel)
* updates stop working. This is probably related to DSI spec stating
* that the DSI host should transition to LP at least once per frame.
*/
- r = _dsi_send_nop(dsi, channel);
+ r = _dsi_send_nop(dsi, vc);
if (r < 0) {
DSSWARN("failed to send nop between frames: %d\n", r);
goto err;
}
- dsi->update_channel = channel;
+ dsi->update_vc = vc;
if (dsi->te_enabled && dsi->te_gpio) {
schedule_delayed_work(&dsi->te_timeout_work,
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-14 07:10:27 +0100