summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/display/intel_sdvo.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_sdvo.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_sdvo.c316
1 files changed, 173 insertions, 143 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c
index ceda03e5a3d4..adeb1c840976 100644
--- a/drivers/gpu/drm/i915/display/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/display/intel_sdvo.c
@@ -39,7 +39,7 @@
#include "i915_drv.h"
#include "intel_atomic.h"
#include "intel_connector.h"
-#include "intel_drv.h"
+#include "intel_display_types.h"
#include "intel_fifo_underrun.h"
#include "intel_gmbus.h"
#include "intel_hdmi.h"
@@ -274,130 +274,145 @@ static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
return false;
}
-#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
+#define SDVO_CMD_NAME_ENTRY(cmd_) { .cmd = SDVO_CMD_ ## cmd_, .name = #cmd_ }
+
/** Mapping of command numbers to names, for debug output */
-static const struct _sdvo_cmd_name {
+static const struct {
u8 cmd;
const char *name;
} __attribute__ ((packed)) sdvo_cmd_names[] = {
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
+ SDVO_CMD_NAME_ENTRY(RESET),
+ SDVO_CMD_NAME_ENTRY(GET_DEVICE_CAPS),
+ SDVO_CMD_NAME_ENTRY(GET_FIRMWARE_REV),
+ SDVO_CMD_NAME_ENTRY(GET_TRAINED_INPUTS),
+ SDVO_CMD_NAME_ENTRY(GET_ACTIVE_OUTPUTS),
+ SDVO_CMD_NAME_ENTRY(SET_ACTIVE_OUTPUTS),
+ SDVO_CMD_NAME_ENTRY(GET_IN_OUT_MAP),
+ SDVO_CMD_NAME_ENTRY(SET_IN_OUT_MAP),
+ SDVO_CMD_NAME_ENTRY(GET_ATTACHED_DISPLAYS),
+ SDVO_CMD_NAME_ENTRY(GET_HOT_PLUG_SUPPORT),
+ SDVO_CMD_NAME_ENTRY(SET_ACTIVE_HOT_PLUG),
+ SDVO_CMD_NAME_ENTRY(GET_ACTIVE_HOT_PLUG),
+ SDVO_CMD_NAME_ENTRY(GET_INTERRUPT_EVENT_SOURCE),
+ SDVO_CMD_NAME_ENTRY(SET_TARGET_INPUT),
+ SDVO_CMD_NAME_ENTRY(SET_TARGET_OUTPUT),
+ SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART1),
+ SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART2),
+ SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART1),
+ SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART2),
+ SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART1),
+ SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART2),
+ SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART1),
+ SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART2),
+ SDVO_CMD_NAME_ENTRY(CREATE_PREFERRED_INPUT_TIMING),
+ SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART1),
+ SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART2),
+ SDVO_CMD_NAME_ENTRY(GET_INPUT_PIXEL_CLOCK_RANGE),
+ SDVO_CMD_NAME_ENTRY(GET_OUTPUT_PIXEL_CLOCK_RANGE),
+ SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_CLOCK_RATE_MULTS),
+ SDVO_CMD_NAME_ENTRY(GET_CLOCK_RATE_MULT),
+ SDVO_CMD_NAME_ENTRY(SET_CLOCK_RATE_MULT),
+ SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_TV_FORMATS),
+ SDVO_CMD_NAME_ENTRY(GET_TV_FORMAT),
+ SDVO_CMD_NAME_ENTRY(SET_TV_FORMAT),
+ SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_POWER_STATES),
+ SDVO_CMD_NAME_ENTRY(GET_POWER_STATE),
+ SDVO_CMD_NAME_ENTRY(SET_ENCODER_POWER_STATE),
+ SDVO_CMD_NAME_ENTRY(SET_DISPLAY_POWER_STATE),
+ SDVO_CMD_NAME_ENTRY(SET_CONTROL_BUS_SWITCH),
+ SDVO_CMD_NAME_ENTRY(GET_SDTV_RESOLUTION_SUPPORT),
+ SDVO_CMD_NAME_ENTRY(GET_SCALED_HDTV_RESOLUTION_SUPPORT),
+ SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_ENHANCEMENTS),
/* Add the op code for SDVO enhancements */
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
+ SDVO_CMD_NAME_ENTRY(GET_MAX_HPOS),
+ SDVO_CMD_NAME_ENTRY(GET_HPOS),
+ SDVO_CMD_NAME_ENTRY(SET_HPOS),
+ SDVO_CMD_NAME_ENTRY(GET_MAX_VPOS),
+ SDVO_CMD_NAME_ENTRY(GET_VPOS),
+ SDVO_CMD_NAME_ENTRY(SET_VPOS),
+ SDVO_CMD_NAME_ENTRY(GET_MAX_SATURATION),
+ SDVO_CMD_NAME_ENTRY(GET_SATURATION),
+ SDVO_CMD_NAME_ENTRY(SET_SATURATION),
+ SDVO_CMD_NAME_ENTRY(GET_MAX_HUE),
+ SDVO_CMD_NAME_ENTRY(GET_HUE),
+ SDVO_CMD_NAME_ENTRY(SET_HUE),
+ SDVO_CMD_NAME_ENTRY(GET_MAX_CONTRAST),
+ SDVO_CMD_NAME_ENTRY(GET_CONTRAST),
+ SDVO_CMD_NAME_ENTRY(SET_CONTRAST),
+ SDVO_CMD_NAME_ENTRY(GET_MAX_BRIGHTNESS),
+ SDVO_CMD_NAME_ENTRY(GET_BRIGHTNESS),
+ SDVO_CMD_NAME_ENTRY(SET_BRIGHTNESS),
+ SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_H),
+ SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_H),
+ SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_H),
+ SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_V),
+ SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_V),
+ SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_V),
+ SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER),
+ SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER),
+ SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER),
+ SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_ADAPTIVE),
+ SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_ADAPTIVE),
+ SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_ADAPTIVE),
+ SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_2D),
+ SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_2D),
+ SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_2D),
+ SDVO_CMD_NAME_ENTRY(GET_MAX_SHARPNESS),
+ SDVO_CMD_NAME_ENTRY(GET_SHARPNESS),
+ SDVO_CMD_NAME_ENTRY(SET_SHARPNESS),
+ SDVO_CMD_NAME_ENTRY(GET_DOT_CRAWL),
+ SDVO_CMD_NAME_ENTRY(SET_DOT_CRAWL),
+ SDVO_CMD_NAME_ENTRY(GET_MAX_TV_CHROMA_FILTER),
+ SDVO_CMD_NAME_ENTRY(GET_TV_CHROMA_FILTER),
+ SDVO_CMD_NAME_ENTRY(SET_TV_CHROMA_FILTER),
+ SDVO_CMD_NAME_ENTRY(GET_MAX_TV_LUMA_FILTER),
+ SDVO_CMD_NAME_ENTRY(GET_TV_LUMA_FILTER),
+ SDVO_CMD_NAME_ENTRY(SET_TV_LUMA_FILTER),
/* HDMI op code */
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
- SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
+ SDVO_CMD_NAME_ENTRY(GET_SUPP_ENCODE),
+ SDVO_CMD_NAME_ENTRY(GET_ENCODE),
+ SDVO_CMD_NAME_ENTRY(SET_ENCODE),
+ SDVO_CMD_NAME_ENTRY(SET_PIXEL_REPLI),
+ SDVO_CMD_NAME_ENTRY(GET_PIXEL_REPLI),
+ SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY_CAP),
+ SDVO_CMD_NAME_ENTRY(SET_COLORIMETRY),
+ SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY),
+ SDVO_CMD_NAME_ENTRY(GET_AUDIO_ENCRYPT_PREFER),
+ SDVO_CMD_NAME_ENTRY(SET_AUDIO_STAT),
+ SDVO_CMD_NAME_ENTRY(GET_AUDIO_STAT),
+ SDVO_CMD_NAME_ENTRY(GET_HBUF_INDEX),
+ SDVO_CMD_NAME_ENTRY(SET_HBUF_INDEX),
+ SDVO_CMD_NAME_ENTRY(GET_HBUF_INFO),
+ SDVO_CMD_NAME_ENTRY(GET_HBUF_AV_SPLIT),
+ SDVO_CMD_NAME_ENTRY(SET_HBUF_AV_SPLIT),
+ SDVO_CMD_NAME_ENTRY(GET_HBUF_TXRATE),
+ SDVO_CMD_NAME_ENTRY(SET_HBUF_TXRATE),
+ SDVO_CMD_NAME_ENTRY(SET_HBUF_DATA),
+ SDVO_CMD_NAME_ENTRY(GET_HBUF_DATA),
};
+#undef SDVO_CMD_NAME_ENTRY
+
+static const char *sdvo_cmd_name(u8 cmd)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
+ if (cmd == sdvo_cmd_names[i].cmd)
+ return sdvo_cmd_names[i].name;
+ }
+
+ return NULL;
+}
+
#define SDVO_NAME(svdo) ((svdo)->port == PORT_B ? "SDVOB" : "SDVOC")
static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
const void *args, int args_len)
{
+ const char *cmd_name;
int i, pos = 0;
#define BUF_LEN 256
char buffer[BUF_LEN];
@@ -412,15 +427,12 @@ static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
for (; i < 8; i++) {
BUF_PRINT(" ");
}
- for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
- if (cmd == sdvo_cmd_names[i].cmd) {
- BUF_PRINT("(%s)", sdvo_cmd_names[i].name);
- break;
- }
- }
- if (i == ARRAY_SIZE(sdvo_cmd_names)) {
+
+ cmd_name = sdvo_cmd_name(cmd);
+ if (cmd_name)
+ BUF_PRINT("(%s)", cmd_name);
+ else
BUF_PRINT("(%02X)", cmd);
- }
BUG_ON(pos >= BUF_LEN - 1);
#undef BUF_PRINT
#undef BUF_LEN
@@ -429,15 +441,23 @@ static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
}
static const char * const cmd_status_names[] = {
- "Power on",
- "Success",
- "Not supported",
- "Invalid arg",
- "Pending",
- "Target not specified",
- "Scaling not supported"
+ [SDVO_CMD_STATUS_POWER_ON] = "Power on",
+ [SDVO_CMD_STATUS_SUCCESS] = "Success",
+ [SDVO_CMD_STATUS_NOTSUPP] = "Not supported",
+ [SDVO_CMD_STATUS_INVALID_ARG] = "Invalid arg",
+ [SDVO_CMD_STATUS_PENDING] = "Pending",
+ [SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED] = "Target not specified",
+ [SDVO_CMD_STATUS_SCALING_NOT_SUPP] = "Scaling not supported",
};
+static const char *sdvo_cmd_status(u8 status)
+{
+ if (status < ARRAY_SIZE(cmd_status_names))
+ return cmd_status_names[status];
+ else
+ return NULL;
+}
+
static bool __intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
const void *args, int args_len,
bool unlocked)
@@ -516,6 +536,7 @@ static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
void *response, int response_len)
{
+ const char *cmd_status;
u8 retry = 15; /* 5 quick checks, followed by 10 long checks */
u8 status;
int i, pos = 0;
@@ -562,8 +583,9 @@ static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
#define BUF_PRINT(args...) \
pos += snprintf(buffer + pos, max_t(int, BUF_LEN - pos, 0), args)
- if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
- BUF_PRINT("(%s)", cmd_status_names[status]);
+ cmd_status = sdvo_cmd_status(status);
+ if (cmd_status)
+ BUF_PRINT("(%s)", cmd_status);
else
BUF_PRINT("(??? %d)", status);
@@ -929,6 +951,20 @@ static bool intel_sdvo_set_audio_state(struct intel_sdvo *intel_sdvo,
&audio_state, 1);
}
+static bool intel_sdvo_get_hbuf_size(struct intel_sdvo *intel_sdvo,
+ u8 *hbuf_size)
+{
+ if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
+ hbuf_size, 1))
+ return false;
+
+ /* Buffer size is 0 based, hooray! However zero means zero. */
+ if (*hbuf_size)
+ (*hbuf_size)++;
+
+ return true;
+}
+
#if 0
static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
{
@@ -972,14 +1008,10 @@ static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
set_buf_index, 2))
return false;
- if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
- &hbuf_size, 1))
+ if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size))
return false;
- /* Buffer size is 0 based, hooray! */
- hbuf_size++;
-
- DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
+ DRM_DEBUG_KMS("writing sdvo hbuf: %i, length %u, hbuf_size: %i\n",
if_index, length, hbuf_size);
if (hbuf_size < length)
@@ -1030,14 +1062,10 @@ static ssize_t intel_sdvo_read_infoframe(struct intel_sdvo *intel_sdvo,
if (tx_rate == SDVO_HBUF_TX_DISABLED)
return 0;
- if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
- &hbuf_size, 1))
- return -ENXIO;
-
- /* Buffer size is 0 based, hooray! */
- hbuf_size++;
+ if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size))
+ return false;
- DRM_DEBUG_KMS("reading sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
+ DRM_DEBUG_KMS("reading sdvo hbuf: %i, length %u, hbuf_size: %i\n",
if_index, length, hbuf_size);
hbuf_size = min_t(unsigned int, length, hbuf_size);
@@ -1893,12 +1921,14 @@ static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
&intel_sdvo->hotplug_active, 2);
}
-static bool intel_sdvo_hotplug(struct intel_encoder *encoder,
- struct intel_connector *connector)
+static enum intel_hotplug_state
+intel_sdvo_hotplug(struct intel_encoder *encoder,
+ struct intel_connector *connector,
+ bool irq_received)
{
intel_sdvo_enable_hotplug(encoder);
- return intel_encoder_hotplug(encoder, connector);
+ return intel_encoder_hotplug(encoder, connector, irq_received);
}
static bool