[media] cec: adv7511: add cec support
Add CEC support to the adv7511 driver. Signed-off-by: Hans Verkuil <hansverk@cisco.com> [k.debski@samsung.com: Merged changes from CEC Updates commit by Hans Verkuil] Signed-off-by: Kamil Debski <kamil@wypas.org> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>steinar/wifi_calib_4_9_kernel
Hans Verkuil
Mauro Carvalho Chehab
parent
25c84fb1c9
commit
257d4eaed3
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@ -463,6 +463,7 @@ config VIDEO_ADV7511
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tristate "Analog Devices ADV7511 encoder"
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depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API
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select HDMI
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select MEDIA_CEC_EDID
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---help---
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Support for the Analog Devices ADV7511 video encoder.
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@ -471,6 +472,13 @@ config VIDEO_ADV7511
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To compile this driver as a module, choose M here: the
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module will be called adv7511.
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config VIDEO_ADV7511_CEC
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bool "Enable Analog Devices ADV7511 CEC support"
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depends on VIDEO_ADV7511 && MEDIA_CEC
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---help---
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When selected the adv7511 will support the optional
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HDMI CEC feature.
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config VIDEO_AD9389B
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tristate "Analog Devices AD9389B encoder"
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depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API
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@ -33,6 +33,7 @@
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-dv-timings.h>
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#include <media/i2c/adv7511.h>
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#include <media/cec.h>
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static int debug;
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module_param(debug, int, 0644);
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@ -59,6 +60,8 @@ MODULE_LICENSE("GPL v2");
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#define ADV7511_MIN_PIXELCLOCK 20000000
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#define ADV7511_MAX_PIXELCLOCK 225000000
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#define ADV7511_MAX_ADDRS (3)
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/*
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**********************************************************************
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*
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@ -90,12 +93,20 @@ struct adv7511_state {
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struct v4l2_ctrl_handler hdl;
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int chip_revision;
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u8 i2c_edid_addr;
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u8 i2c_cec_addr;
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u8 i2c_pktmem_addr;
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u8 i2c_cec_addr;
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struct i2c_client *i2c_cec;
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struct cec_adapter *cec_adap;
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u8 cec_addr[ADV7511_MAX_ADDRS];
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u8 cec_valid_addrs;
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bool cec_enabled_adap;
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/* Is the adv7511 powered on? */
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bool power_on;
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/* Did we receive hotplug and rx-sense signals? */
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bool have_monitor;
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bool enabled_irq;
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/* timings from s_dv_timings */
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struct v4l2_dv_timings dv_timings;
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u32 fmt_code;
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@ -227,7 +238,7 @@ static int adv_smbus_read_i2c_block_data(struct i2c_client *client,
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return ret;
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}
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static inline void adv7511_edid_rd(struct v4l2_subdev *sd, u16 len, u8 *buf)
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static void adv7511_edid_rd(struct v4l2_subdev *sd, uint16_t len, uint8_t *buf)
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{
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struct adv7511_state *state = get_adv7511_state(sd);
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int i;
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@ -242,6 +253,34 @@ static inline void adv7511_edid_rd(struct v4l2_subdev *sd, u16 len, u8 *buf)
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v4l2_err(sd, "%s: i2c read error\n", __func__);
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}
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static inline int adv7511_cec_read(struct v4l2_subdev *sd, u8 reg)
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{
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struct adv7511_state *state = get_adv7511_state(sd);
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return i2c_smbus_read_byte_data(state->i2c_cec, reg);
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}
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static int adv7511_cec_write(struct v4l2_subdev *sd, u8 reg, u8 val)
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{
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struct adv7511_state *state = get_adv7511_state(sd);
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int ret;
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int i;
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for (i = 0; i < 3; i++) {
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ret = i2c_smbus_write_byte_data(state->i2c_cec, reg, val);
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if (ret == 0)
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return 0;
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}
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v4l2_err(sd, "%s: I2C Write Problem\n", __func__);
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return ret;
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}
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static inline int adv7511_cec_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask,
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u8 val)
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{
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return adv7511_cec_write(sd, reg, (adv7511_cec_read(sd, reg) & mask) | val);
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}
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static int adv7511_pktmem_rd(struct v4l2_subdev *sd, u8 reg)
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{
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struct adv7511_state *state = get_adv7511_state(sd);
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@ -425,16 +464,28 @@ static const struct v4l2_ctrl_ops adv7511_ctrl_ops = {
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#ifdef CONFIG_VIDEO_ADV_DEBUG
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static void adv7511_inv_register(struct v4l2_subdev *sd)
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{
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struct adv7511_state *state = get_adv7511_state(sd);
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v4l2_info(sd, "0x000-0x0ff: Main Map\n");
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if (state->i2c_cec)
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v4l2_info(sd, "0x100-0x1ff: CEC Map\n");
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}
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static int adv7511_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
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{
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struct adv7511_state *state = get_adv7511_state(sd);
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reg->size = 1;
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switch (reg->reg >> 8) {
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case 0:
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reg->val = adv7511_rd(sd, reg->reg & 0xff);
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break;
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case 1:
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if (state->i2c_cec) {
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reg->val = adv7511_cec_read(sd, reg->reg & 0xff);
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break;
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}
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/* fall through */
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default:
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v4l2_info(sd, "Register %03llx not supported\n", reg->reg);
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adv7511_inv_register(sd);
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@ -445,10 +496,18 @@ static int adv7511_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
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static int adv7511_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
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{
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struct adv7511_state *state = get_adv7511_state(sd);
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switch (reg->reg >> 8) {
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case 0:
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adv7511_wr(sd, reg->reg & 0xff, reg->val & 0xff);
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break;
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case 1:
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if (state->i2c_cec) {
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adv7511_cec_write(sd, reg->reg & 0xff, reg->val & 0xff);
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break;
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}
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/* fall through */
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default:
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v4l2_info(sd, "Register %03llx not supported\n", reg->reg);
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adv7511_inv_register(sd);
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@ -536,6 +595,7 @@ static int adv7511_log_status(struct v4l2_subdev *sd)
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{
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struct adv7511_state *state = get_adv7511_state(sd);
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struct adv7511_state_edid *edid = &state->edid;
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int i;
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static const char * const states[] = {
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"in reset",
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@ -605,7 +665,23 @@ static int adv7511_log_status(struct v4l2_subdev *sd)
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else
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v4l2_info(sd, "no timings set\n");
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v4l2_info(sd, "i2c edid addr: 0x%x\n", state->i2c_edid_addr);
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if (state->i2c_cec == NULL)
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return 0;
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v4l2_info(sd, "i2c cec addr: 0x%x\n", state->i2c_cec_addr);
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v4l2_info(sd, "CEC: %s\n", state->cec_enabled_adap ?
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"enabled" : "disabled");
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if (state->cec_enabled_adap) {
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for (i = 0; i < ADV7511_MAX_ADDRS; i++) {
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bool is_valid = state->cec_valid_addrs & (1 << i);
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if (is_valid)
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v4l2_info(sd, "CEC Logical Address: 0x%x\n",
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state->cec_addr[i]);
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}
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}
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v4l2_info(sd, "i2c pktmem addr: 0x%x\n", state->i2c_pktmem_addr);
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return 0;
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}
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@ -663,15 +739,197 @@ static int adv7511_s_power(struct v4l2_subdev *sd, int on)
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return true;
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}
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#if IS_ENABLED(CONFIG_VIDEO_ADV7511_CEC)
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static int adv7511_cec_adap_enable(struct cec_adapter *adap, bool enable)
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{
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struct adv7511_state *state = adap->priv;
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struct v4l2_subdev *sd = &state->sd;
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if (state->i2c_cec == NULL)
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return -EIO;
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if (!state->cec_enabled_adap && enable) {
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/* power up cec section */
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adv7511_cec_write_and_or(sd, 0x4e, 0xfc, 0x01);
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/* legacy mode and clear all rx buffers */
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adv7511_cec_write(sd, 0x4a, 0x07);
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adv7511_cec_write(sd, 0x4a, 0);
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adv7511_cec_write_and_or(sd, 0x11, 0xfe, 0); /* initially disable tx */
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/* enabled irqs: */
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/* tx: ready */
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/* tx: arbitration lost */
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/* tx: retry timeout */
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/* rx: ready 1 */
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if (state->enabled_irq)
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adv7511_wr_and_or(sd, 0x95, 0xc0, 0x39);
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} else if (state->cec_enabled_adap && !enable) {
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if (state->enabled_irq)
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adv7511_wr_and_or(sd, 0x95, 0xc0, 0x00);
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/* disable address mask 1-3 */
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adv7511_cec_write_and_or(sd, 0x4b, 0x8f, 0x00);
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/* power down cec section */
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adv7511_cec_write_and_or(sd, 0x4e, 0xfc, 0x00);
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state->cec_valid_addrs = 0;
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}
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state->cec_enabled_adap = enable;
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return 0;
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}
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static int adv7511_cec_adap_log_addr(struct cec_adapter *adap, u8 addr)
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{
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struct adv7511_state *state = adap->priv;
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struct v4l2_subdev *sd = &state->sd;
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unsigned int i, free_idx = ADV7511_MAX_ADDRS;
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if (!state->cec_enabled_adap)
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return addr == CEC_LOG_ADDR_INVALID ? 0 : -EIO;
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if (addr == CEC_LOG_ADDR_INVALID) {
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adv7511_cec_write_and_or(sd, 0x4b, 0x8f, 0);
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state->cec_valid_addrs = 0;
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return 0;
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}
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for (i = 0; i < ADV7511_MAX_ADDRS; i++) {
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bool is_valid = state->cec_valid_addrs & (1 << i);
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if (free_idx == ADV7511_MAX_ADDRS && !is_valid)
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free_idx = i;
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if (is_valid && state->cec_addr[i] == addr)
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return 0;
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}
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if (i == ADV7511_MAX_ADDRS) {
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i = free_idx;
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if (i == ADV7511_MAX_ADDRS)
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return -ENXIO;
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}
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state->cec_addr[i] = addr;
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state->cec_valid_addrs |= 1 << i;
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switch (i) {
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case 0:
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/* enable address mask 0 */
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adv7511_cec_write_and_or(sd, 0x4b, 0xef, 0x10);
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/* set address for mask 0 */
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adv7511_cec_write_and_or(sd, 0x4c, 0xf0, addr);
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break;
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case 1:
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/* enable address mask 1 */
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adv7511_cec_write_and_or(sd, 0x4b, 0xdf, 0x20);
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/* set address for mask 1 */
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adv7511_cec_write_and_or(sd, 0x4c, 0x0f, addr << 4);
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break;
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case 2:
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/* enable address mask 2 */
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adv7511_cec_write_and_or(sd, 0x4b, 0xbf, 0x40);
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/* set address for mask 1 */
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adv7511_cec_write_and_or(sd, 0x4d, 0xf0, addr);
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break;
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}
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return 0;
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}
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static int adv7511_cec_adap_transmit(struct cec_adapter *adap, u8 attempts,
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u32 signal_free_time, struct cec_msg *msg)
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{
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struct adv7511_state *state = adap->priv;
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struct v4l2_subdev *sd = &state->sd;
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u8 len = msg->len;
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unsigned int i;
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v4l2_dbg(1, debug, sd, "%s: len %d\n", __func__, len);
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if (len > 16) {
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v4l2_err(sd, "%s: len exceeded 16 (%d)\n", __func__, len);
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return -EINVAL;
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}
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/*
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* The number of retries is the number of attempts - 1, but retry
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* at least once. It's not clear if a value of 0 is allowed, so
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* let's do at least one retry.
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*/
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adv7511_cec_write_and_or(sd, 0x12, ~0x70, max(1, attempts - 1) << 4);
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/* blocking, clear cec tx irq status */
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adv7511_wr_and_or(sd, 0x97, 0xc7, 0x38);
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/* write data */
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for (i = 0; i < len; i++)
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adv7511_cec_write(sd, i, msg->msg[i]);
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/* set length (data + header) */
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adv7511_cec_write(sd, 0x10, len);
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/* start transmit, enable tx */
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adv7511_cec_write(sd, 0x11, 0x01);
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return 0;
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}
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static void adv_cec_tx_raw_status(struct v4l2_subdev *sd, u8 tx_raw_status)
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{
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struct adv7511_state *state = get_adv7511_state(sd);
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if ((adv7511_cec_read(sd, 0x11) & 0x01) == 0) {
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v4l2_dbg(1, debug, sd, "%s: tx raw: tx disabled\n", __func__);
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return;
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}
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if (tx_raw_status & 0x10) {
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v4l2_dbg(1, debug, sd,
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"%s: tx raw: arbitration lost\n", __func__);
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cec_transmit_done(state->cec_adap, CEC_TX_STATUS_ARB_LOST,
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1, 0, 0, 0);
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return;
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}
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if (tx_raw_status & 0x08) {
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u8 status;
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u8 nack_cnt;
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u8 low_drive_cnt;
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v4l2_dbg(1, debug, sd, "%s: tx raw: retry failed\n", __func__);
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/*
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* We set this status bit since this hardware performs
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* retransmissions.
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*/
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status = CEC_TX_STATUS_MAX_RETRIES;
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nack_cnt = adv7511_cec_read(sd, 0x14) & 0xf;
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if (nack_cnt)
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status |= CEC_TX_STATUS_NACK;
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low_drive_cnt = adv7511_cec_read(sd, 0x14) >> 4;
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if (low_drive_cnt)
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status |= CEC_TX_STATUS_LOW_DRIVE;
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cec_transmit_done(state->cec_adap, status,
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0, nack_cnt, low_drive_cnt, 0);
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return;
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}
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if (tx_raw_status & 0x20) {
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v4l2_dbg(1, debug, sd, "%s: tx raw: ready ok\n", __func__);
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cec_transmit_done(state->cec_adap, CEC_TX_STATUS_OK, 0, 0, 0, 0);
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return;
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}
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}
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static const struct cec_adap_ops adv7511_cec_adap_ops = {
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.adap_enable = adv7511_cec_adap_enable,
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.adap_log_addr = adv7511_cec_adap_log_addr,
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.adap_transmit = adv7511_cec_adap_transmit,
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};
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#endif
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/* Enable interrupts */
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static void adv7511_set_isr(struct v4l2_subdev *sd, bool enable)
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{
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struct adv7511_state *state = get_adv7511_state(sd);
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u8 irqs = MASK_ADV7511_HPD_INT | MASK_ADV7511_MSEN_INT;
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u8 irqs_rd;
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int retries = 100;
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v4l2_dbg(2, debug, sd, "%s: %s\n", __func__, enable ? "enable" : "disable");
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if (state->enabled_irq == enable)
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return;
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state->enabled_irq = enable;
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/* The datasheet says that the EDID ready interrupt should be
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disabled if there is no hotplug. */
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if (!enable)
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@ -679,6 +937,9 @@ static void adv7511_set_isr(struct v4l2_subdev *sd, bool enable)
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else if (adv7511_have_hotplug(sd))
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irqs |= MASK_ADV7511_EDID_RDY_INT;
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adv7511_wr_and_or(sd, 0x95, 0xc0,
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(state->cec_enabled_adap && enable) ? 0x39 : 0x00);
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/*
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* This i2c write can fail (approx. 1 in 1000 writes). But it
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* is essential that this register is correct, so retry it
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@ -701,20 +962,53 @@ static void adv7511_set_isr(struct v4l2_subdev *sd, bool enable)
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static int adv7511_isr(struct v4l2_subdev *sd, u32 status, bool *handled)
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{
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u8 irq_status;
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u8 cec_irq;
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|
||||
/* disable interrupts to prevent a race condition */
|
||||
adv7511_set_isr(sd, false);
|
||||
irq_status = adv7511_rd(sd, 0x96);
|
||||
cec_irq = adv7511_rd(sd, 0x97);
|
||||
/* clear detected interrupts */
|
||||
adv7511_wr(sd, 0x96, irq_status);
|
||||
adv7511_wr(sd, 0x97, cec_irq);
|
||||
|
||||
v4l2_dbg(1, debug, sd, "%s: irq 0x%x\n", __func__, irq_status);
|
||||
v4l2_dbg(1, debug, sd, "%s: irq 0x%x, cec-irq 0x%x\n", __func__,
|
||||
irq_status, cec_irq);
|
||||
|
||||
if (irq_status & (MASK_ADV7511_HPD_INT | MASK_ADV7511_MSEN_INT))
|
||||
adv7511_check_monitor_present_status(sd);
|
||||
if (irq_status & MASK_ADV7511_EDID_RDY_INT)
|
||||
adv7511_check_edid_status(sd);
|
||||
|
||||
#if IS_ENABLED(CONFIG_VIDEO_ADV7511_CEC)
|
||||
if (cec_irq & 0x38)
|
||||
adv_cec_tx_raw_status(sd, cec_irq);
|
||||
|
||||
if (cec_irq & 1) {
|
||||
struct adv7511_state *state = get_adv7511_state(sd);
|
||||
struct cec_msg msg;
|
||||
|
||||
msg.len = adv7511_cec_read(sd, 0x25) & 0x1f;
|
||||
|
||||
v4l2_dbg(1, debug, sd, "%s: cec msg len %d\n", __func__,
|
||||
msg.len);
|
||||
|
||||
if (msg.len > 16)
|
||||
msg.len = 16;
|
||||
|
||||
if (msg.len) {
|
||||
u8 i;
|
||||
|
||||
for (i = 0; i < msg.len; i++)
|
||||
msg.msg[i] = adv7511_cec_read(sd, i + 0x15);
|
||||
|
||||
adv7511_cec_write(sd, 0x4a, 1); /* toggle to re-enable rx 1 */
|
||||
adv7511_cec_write(sd, 0x4a, 0);
|
||||
cec_received_msg(state->cec_adap, &msg);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/* enable interrupts */
|
||||
adv7511_set_isr(sd, true);
|
||||
|
||||
|
|
@ -1183,6 +1477,8 @@ static void adv7511_notify_no_edid(struct v4l2_subdev *sd)
|
|||
/* We failed to read the EDID, so send an event for this. */
|
||||
ed.present = false;
|
||||
ed.segment = adv7511_rd(sd, 0xc4);
|
||||
ed.phys_addr = CEC_PHYS_ADDR_INVALID;
|
||||
cec_s_phys_addr(state->cec_adap, ed.phys_addr, false);
|
||||
v4l2_subdev_notify(sd, ADV7511_EDID_DETECT, (void *)&ed);
|
||||
v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, 0x0);
|
||||
}
|
||||
|
|
@ -1406,13 +1702,16 @@ static bool adv7511_check_edid_status(struct v4l2_subdev *sd)
|
|||
|
||||
v4l2_dbg(1, debug, sd, "%s: edid complete with %d segment(s)\n", __func__, state->edid.segments);
|
||||
state->edid.complete = true;
|
||||
|
||||
ed.phys_addr = cec_get_edid_phys_addr(state->edid.data,
|
||||
state->edid.segments * 256,
|
||||
NULL);
|
||||
/* report when we have all segments
|
||||
but report only for segment 0
|
||||
*/
|
||||
ed.present = true;
|
||||
ed.segment = 0;
|
||||
state->edid_detect_counter++;
|
||||
cec_s_phys_addr(state->cec_adap, ed.phys_addr, false);
|
||||
v4l2_subdev_notify(sd, ADV7511_EDID_DETECT, (void *)&ed);
|
||||
return ed.present;
|
||||
}
|
||||
|
|
@ -1420,17 +1719,43 @@ static bool adv7511_check_edid_status(struct v4l2_subdev *sd)
|
|||
return false;
|
||||
}
|
||||
|
||||
static int adv7511_registered(struct v4l2_subdev *sd)
|
||||
{
|
||||
struct adv7511_state *state = get_adv7511_state(sd);
|
||||
int err;
|
||||
|
||||
err = cec_register_adapter(state->cec_adap);
|
||||
if (err)
|
||||
cec_delete_adapter(state->cec_adap);
|
||||
return err;
|
||||
}
|
||||
|
||||
static void adv7511_unregistered(struct v4l2_subdev *sd)
|
||||
{
|
||||
struct adv7511_state *state = get_adv7511_state(sd);
|
||||
|
||||
cec_unregister_adapter(state->cec_adap);
|
||||
}
|
||||
|
||||
static const struct v4l2_subdev_internal_ops adv7511_int_ops = {
|
||||
.registered = adv7511_registered,
|
||||
.unregistered = adv7511_unregistered,
|
||||
};
|
||||
|
||||
/* ----------------------------------------------------------------------- */
|
||||
/* Setup ADV7511 */
|
||||
static void adv7511_init_setup(struct v4l2_subdev *sd)
|
||||
{
|
||||
struct adv7511_state *state = get_adv7511_state(sd);
|
||||
struct adv7511_state_edid *edid = &state->edid;
|
||||
u32 cec_clk = state->pdata.cec_clk;
|
||||
u8 ratio;
|
||||
|
||||
v4l2_dbg(1, debug, sd, "%s\n", __func__);
|
||||
|
||||
/* clear all interrupts */
|
||||
adv7511_wr(sd, 0x96, 0xff);
|
||||
adv7511_wr(sd, 0x97, 0xff);
|
||||
/*
|
||||
* Stop HPD from resetting a lot of registers.
|
||||
* It might leave the chip in a partly un-initialized state,
|
||||
|
|
@ -1442,6 +1767,25 @@ static void adv7511_init_setup(struct v4l2_subdev *sd)
|
|||
adv7511_set_isr(sd, false);
|
||||
adv7511_s_stream(sd, false);
|
||||
adv7511_s_audio_stream(sd, false);
|
||||
|
||||
if (state->i2c_cec == NULL)
|
||||
return;
|
||||
|
||||
v4l2_dbg(1, debug, sd, "%s: cec_clk %d\n", __func__, cec_clk);
|
||||
|
||||
/* cec soft reset */
|
||||
adv7511_cec_write(sd, 0x50, 0x01);
|
||||
adv7511_cec_write(sd, 0x50, 0x00);
|
||||
|
||||
/* legacy mode */
|
||||
adv7511_cec_write(sd, 0x4a, 0x00);
|
||||
|
||||
if (cec_clk % 750000 != 0)
|
||||
v4l2_err(sd, "%s: cec_clk %d, not multiple of 750 Khz\n",
|
||||
__func__, cec_clk);
|
||||
|
||||
ratio = (cec_clk / 750000) - 1;
|
||||
adv7511_cec_write(sd, 0x4e, ratio << 2);
|
||||
}
|
||||
|
||||
static int adv7511_probe(struct i2c_client *client, const struct i2c_device_id *id)
|
||||
|
|
@ -1476,6 +1820,7 @@ static int adv7511_probe(struct i2c_client *client, const struct i2c_device_id *
|
|||
client->addr << 1);
|
||||
|
||||
v4l2_i2c_subdev_init(sd, client, &adv7511_ops);
|
||||
sd->internal_ops = &adv7511_int_ops;
|
||||
|
||||
hdl = &state->hdl;
|
||||
v4l2_ctrl_handler_init(hdl, 10);
|
||||
|
|
@ -1516,26 +1861,47 @@ static int adv7511_probe(struct i2c_client *client, const struct i2c_device_id *
|
|||
chip_id[0] = adv7511_rd(sd, 0xf5);
|
||||
chip_id[1] = adv7511_rd(sd, 0xf6);
|
||||
if (chip_id[0] != 0x75 || chip_id[1] != 0x11) {
|
||||
v4l2_err(sd, "chip_id != 0x7511, read 0x%02x%02x\n", chip_id[0], chip_id[1]);
|
||||
v4l2_err(sd, "chip_id != 0x7511, read 0x%02x%02x\n", chip_id[0],
|
||||
chip_id[1]);
|
||||
err = -EIO;
|
||||
goto err_entity;
|
||||
}
|
||||
|
||||
state->i2c_edid = i2c_new_dummy(client->adapter, state->i2c_edid_addr >> 1);
|
||||
state->i2c_edid = i2c_new_dummy(client->adapter,
|
||||
state->i2c_edid_addr >> 1);
|
||||
if (state->i2c_edid == NULL) {
|
||||
v4l2_err(sd, "failed to register edid i2c client\n");
|
||||
err = -ENOMEM;
|
||||
goto err_entity;
|
||||
}
|
||||
|
||||
adv7511_wr(sd, 0xe1, state->i2c_cec_addr);
|
||||
if (state->pdata.cec_clk < 3000000 ||
|
||||
state->pdata.cec_clk > 100000000) {
|
||||
v4l2_err(sd, "%s: cec_clk %u outside range, disabling cec\n",
|
||||
__func__, state->pdata.cec_clk);
|
||||
state->pdata.cec_clk = 0;
|
||||
}
|
||||
|
||||
if (state->pdata.cec_clk) {
|
||||
state->i2c_cec = i2c_new_dummy(client->adapter,
|
||||
state->i2c_cec_addr >> 1);
|
||||
if (state->i2c_cec == NULL) {
|
||||
v4l2_err(sd, "failed to register cec i2c client\n");
|
||||
goto err_unreg_edid;
|
||||
}
|
||||
adv7511_wr(sd, 0xe2, 0x00); /* power up cec section */
|
||||
} else {
|
||||
adv7511_wr(sd, 0xe2, 0x01); /* power down cec section */
|
||||
}
|
||||
|
||||
state->i2c_pktmem = i2c_new_dummy(client->adapter, state->i2c_pktmem_addr >> 1);
|
||||
if (state->i2c_pktmem == NULL) {
|
||||
v4l2_err(sd, "failed to register pktmem i2c client\n");
|
||||
err = -ENOMEM;
|
||||
goto err_unreg_edid;
|
||||
goto err_unreg_cec;
|
||||
}
|
||||
|
||||
adv7511_wr(sd, 0xe2, 0x01); /* power down cec section */
|
||||
state->work_queue = create_singlethread_workqueue(sd->name);
|
||||
if (state->work_queue == NULL) {
|
||||
v4l2_err(sd, "could not create workqueue\n");
|
||||
|
|
@ -1546,6 +1912,19 @@ static int adv7511_probe(struct i2c_client *client, const struct i2c_device_id *
|
|||
INIT_DELAYED_WORK(&state->edid_handler, adv7511_edid_handler);
|
||||
|
||||
adv7511_init_setup(sd);
|
||||
|
||||
#if IS_ENABLED(CONFIG_VIDEO_ADV7511_CEC)
|
||||
state->cec_adap = cec_allocate_adapter(&adv7511_cec_adap_ops,
|
||||
state, dev_name(&client->dev), CEC_CAP_TRANSMIT |
|
||||
CEC_CAP_LOG_ADDRS | CEC_CAP_PASSTHROUGH | CEC_CAP_RC,
|
||||
ADV7511_MAX_ADDRS, &client->dev);
|
||||
err = PTR_ERR_OR_ZERO(state->cec_adap);
|
||||
if (err) {
|
||||
destroy_workqueue(state->work_queue);
|
||||
goto err_unreg_pktmem;
|
||||
}
|
||||
#endif
|
||||
|
||||
adv7511_set_isr(sd, true);
|
||||
adv7511_check_monitor_present_status(sd);
|
||||
|
||||
|
|
@ -1555,6 +1934,9 @@ static int adv7511_probe(struct i2c_client *client, const struct i2c_device_id *
|
|||
|
||||
err_unreg_pktmem:
|
||||
i2c_unregister_device(state->i2c_pktmem);
|
||||
err_unreg_cec:
|
||||
if (state->i2c_cec)
|
||||
i2c_unregister_device(state->i2c_cec);
|
||||
err_unreg_edid:
|
||||
i2c_unregister_device(state->i2c_edid);
|
||||
err_entity:
|
||||
|
|
@ -1576,9 +1958,12 @@ static int adv7511_remove(struct i2c_client *client)
|
|||
v4l2_dbg(1, debug, sd, "%s removed @ 0x%x (%s)\n", client->name,
|
||||
client->addr << 1, client->adapter->name);
|
||||
|
||||
adv7511_set_isr(sd, false);
|
||||
adv7511_init_setup(sd);
|
||||
cancel_delayed_work(&state->edid_handler);
|
||||
i2c_unregister_device(state->i2c_edid);
|
||||
if (state->i2c_cec)
|
||||
i2c_unregister_device(state->i2c_cec);
|
||||
i2c_unregister_device(state->i2c_pktmem);
|
||||
destroy_workqueue(state->work_queue);
|
||||
v4l2_device_unregister_subdev(sd);
|
||||
|
|
|
|||
|
|
@ -32,11 +32,7 @@ struct adv7511_monitor_detect {
|
|||
struct adv7511_edid_detect {
|
||||
int present;
|
||||
int segment;
|
||||
};
|
||||
|
||||
struct adv7511_cec_arg {
|
||||
void *arg;
|
||||
u32 f_flags;
|
||||
uint16_t phys_addr;
|
||||
};
|
||||
|
||||
struct adv7511_platform_data {
|
||||
|
|
|
|||
Loading…
Reference in New Issue