diff options
Diffstat (limited to 'drivers/media/i2c/adv748x')
| -rw-r--r-- | drivers/media/i2c/adv748x/adv748x-afe.c | 1 | ||||
| -rw-r--r-- | drivers/media/i2c/adv748x/adv748x-core.c | 203 | ||||
| -rw-r--r-- | drivers/media/i2c/adv748x/adv748x-csi2.c | 13 | ||||
| -rw-r--r-- | drivers/media/i2c/adv748x/adv748x-hdmi.c | 3 | ||||
| -rw-r--r-- | drivers/media/i2c/adv748x/adv748x.h | 15 |
5 files changed, 77 insertions, 158 deletions
diff --git a/drivers/media/i2c/adv748x/adv748x-afe.c b/drivers/media/i2c/adv748x/adv748x-afe.c index 4aa8e45b..5188178 100644 --- a/drivers/media/i2c/adv748x/adv748x-afe.c +++ b/drivers/media/i2c/adv748x/adv748x-afe.c @@ -267,6 +267,7 @@ static int adv748x_afe_g_input_status(struct v4l2_subdev *sd, u32 *status) ret = adv748x_afe_status(afe, status, NULL); mutex_unlock(&state->mutex); + return ret; } diff --git a/drivers/media/i2c/adv748x/adv748x-core.c b/drivers/media/i2c/adv748x/adv748x-core.c index 5ee14f2..6ca88daa 100644 --- a/drivers/media/i2c/adv748x/adv748x-core.c +++ b/drivers/media/i2c/adv748x/adv748x-core.c @@ -35,96 +35,28 @@ * Register manipulation */ -static const struct regmap_config adv748x_regmap_cnf[] = { - { - .name = "io", - .reg_bits = 8, - .val_bits = 8, - - .max_register = 0xff, - .cache_type = REGCACHE_NONE, - }, - { - .name = "dpll", - .reg_bits = 8, - .val_bits = 8, - - .max_register = 0xff, - .cache_type = REGCACHE_NONE, - }, - { - .name = "cp", - .reg_bits = 8, - .val_bits = 8, - - .max_register = 0xff, - .cache_type = REGCACHE_NONE, - }, - { - .name = "hdmi", - .reg_bits = 8, - .val_bits = 8, - - .max_register = 0xff, - .cache_type = REGCACHE_NONE, - }, - { - .name = "edid", - .reg_bits = 8, - .val_bits = 8, - - .max_register = 0xff, - .cache_type = REGCACHE_NONE, - }, - { - .name = "repeater", - .reg_bits = 8, - .val_bits = 8, - - .max_register = 0xff, - .cache_type = REGCACHE_NONE, - }, - { - .name = "infoframe", - .reg_bits = 8, - .val_bits = 8, - - .max_register = 0xff, - .cache_type = REGCACHE_NONE, - }, - { - .name = "cec", - .reg_bits = 8, - .val_bits = 8, - - .max_register = 0xff, - .cache_type = REGCACHE_NONE, - }, - { - .name = "sdp", - .reg_bits = 8, - .val_bits = 8, - - .max_register = 0xff, - .cache_type = REGCACHE_NONE, - }, - - { - .name = "txb", - .reg_bits = 8, - .val_bits = 8, - - .max_register = 0xff, - .cache_type = REGCACHE_NONE, - }, - { - .name = "txa", - .reg_bits = 8, - .val_bits = 8, +#define ADV748X_REGMAP_CONF(n) \ +{ \ + .name = n, \ + .reg_bits = 8, \ + .val_bits = 8, \ + .max_register = 0xff, \ + .cache_type = REGCACHE_NONE, \ +} - .max_register = 0xff, - .cache_type = REGCACHE_NONE, - }, +static const struct regmap_config adv748x_regmap_cnf[] = { + ADV748X_REGMAP_CONF("io"), + ADV748X_REGMAP_CONF("dpll"), + ADV748X_REGMAP_CONF("cp"), + ADV748X_REGMAP_CONF("hdmi"), + ADV748X_REGMAP_CONF("edid"), + ADV748X_REGMAP_CONF("repeater"), + ADV748X_REGMAP_CONF("infoframe"), + ADV748X_REGMAP_CONF("cbus"), + ADV748X_REGMAP_CONF("cec"), + ADV748X_REGMAP_CONF("sdp"), + ADV748X_REGMAP_CONF("txa"), + ADV748X_REGMAP_CONF("txb"), }; static int adv748x_configure_regmap(struct adv748x_state *state, int region) @@ -148,20 +80,24 @@ static int adv748x_configure_regmap(struct adv748x_state *state, int region) return 0; } +struct adv748x_register_map { + const char *name; + u8 default_addr; +}; -/* Default addresses for the I2C pages */ -static int adv748x_i2c_addresses[ADV748X_PAGE_MAX] = { - ADV748X_I2C_IO, - ADV748X_I2C_DPLL, - ADV748X_I2C_CP, - ADV748X_I2C_HDMI, - ADV748X_I2C_EDID, - ADV748X_I2C_REPEATER, - ADV748X_I2C_INFOFRAME, - ADV748X_I2C_CEC, - ADV748X_I2C_SDP, - ADV748X_I2C_TXB, - ADV748X_I2C_TXA, +static const struct adv748x_register_map adv748x_default_addresses[] = { + [ADV748X_PAGE_IO] = { "main", 0x70 }, + [ADV748X_PAGE_DPLL] = { "dpll", 0x26 }, + [ADV748X_PAGE_CP] = { "cp", 0x22 }, + [ADV748X_PAGE_HDMI] = { "hdmi", 0x34 }, + [ADV748X_PAGE_EDID] = { "edid", 0x36 }, + [ADV748X_PAGE_REPEATER] = { "repeater", 0x32 }, + [ADV748X_PAGE_INFOFRAME] = { "infoframe", 0x31 }, + [ADV748X_PAGE_CBUS] = { "cbus", 0x30 }, + [ADV748X_PAGE_CEC] = { "cec", 0x41 }, + [ADV748X_PAGE_SDP] = { "sdp", 0x79 }, + [ADV748X_PAGE_TXB] = { "txb", 0x48 }, + [ADV748X_PAGE_TXA] = { "txa", 0x4a }, }; static int adv748x_read_check(struct adv748x_state *state, @@ -210,36 +146,41 @@ int adv748x_write_block(struct adv748x_state *state, int client_page, return regmap_raw_write(regmap, init_reg, val, val_len); } -static struct i2c_client *adv748x_dummy_client(struct adv748x_state *state, - u8 addr, u8 io_reg) +static int adv748x_set_slave_addresses(struct adv748x_state *state) { - struct i2c_client *client = state->client; + struct i2c_client *client; + unsigned int i; + u8 io_reg; - if (addr) - io_write(state, io_reg, addr << 1); + for (i = ADV748X_PAGE_DPLL; i < ADV748X_PAGE_MAX; ++i) { + io_reg = ADV748X_IO_SLAVE_ADDR_BASE + i; + client = state->i2c_clients[i]; + + io_write(state, io_reg, client->addr << 1); + } - return i2c_new_dummy(client->adapter, io_read(state, io_reg) >> 1); + return 0; } static void adv748x_unregister_clients(struct adv748x_state *state) { unsigned int i; - for (i = 1; i < ARRAY_SIZE(state->i2c_clients); ++i) { - if (state->i2c_clients[i]) - i2c_unregister_device(state->i2c_clients[i]); - } + for (i = 1; i < ARRAY_SIZE(state->i2c_clients); ++i) + i2c_unregister_device(state->i2c_clients[i]); } static int adv748x_initialise_clients(struct adv748x_state *state) { - int i; + unsigned int i; int ret; for (i = ADV748X_PAGE_DPLL; i < ADV748X_PAGE_MAX; ++i) { - state->i2c_clients[i] = - adv748x_dummy_client(state, adv748x_i2c_addresses[i], - ADV748X_IO_SLAVE_ADDR_BASE + i); + state->i2c_clients[i] = i2c_new_secondary_device( + state->client, + adv748x_default_addresses[i].name, + adv748x_default_addresses[i].default_addr); + if (state->i2c_clients[i] == NULL) { adv_err(state, "failed to create i2c client %u\n", i); return -ENOMEM; @@ -250,7 +191,7 @@ static int adv748x_initialise_clients(struct adv748x_state *state) return ret; } - return 0; + return adv748x_set_slave_addresses(state); } /** @@ -416,20 +357,6 @@ static const struct adv748x_reg_value adv748x_sw_reset[] = { {ADV748X_PAGE_EOR, 0xff, 0xff} /* End of register table */ }; -static const struct adv748x_reg_value adv748x_set_slave_address[] = { - {ADV748X_PAGE_IO, 0xf3, ADV748X_I2C_DPLL << 1}, - {ADV748X_PAGE_IO, 0xf4, ADV748X_I2C_CP << 1}, - {ADV748X_PAGE_IO, 0xf5, ADV748X_I2C_HDMI << 1}, - {ADV748X_PAGE_IO, 0xf6, ADV748X_I2C_EDID << 1}, - {ADV748X_PAGE_IO, 0xf7, ADV748X_I2C_REPEATER << 1}, - {ADV748X_PAGE_IO, 0xf8, ADV748X_I2C_INFOFRAME << 1}, - {ADV748X_PAGE_IO, 0xfa, ADV748X_I2C_CEC << 1}, - {ADV748X_PAGE_IO, 0xfb, ADV748X_I2C_SDP << 1}, - {ADV748X_PAGE_IO, 0xfc, ADV748X_I2C_TXB << 1}, - {ADV748X_PAGE_IO, 0xfd, ADV748X_I2C_TXA << 1}, - {ADV748X_PAGE_EOR, 0xff, 0xff} /* End of register table */ -}; - /* Supported Formats For Script Below */ /* - 01-29 HDMI to MIPI TxA CSI 4-Lane - RGB888: */ static const struct adv748x_reg_value adv748x_init_txa_4lane[] = { @@ -560,7 +487,7 @@ static int adv748x_reset(struct adv748x_state *state) if (ret < 0) return ret; - ret = adv748x_write_regs(state, adv748x_set_slave_address); + ret = adv748x_set_slave_addresses(state); if (ret < 0) return ret; @@ -646,14 +573,12 @@ static int adv748x_parse_dt(struct adv748x_state *state) for_each_endpoint_of_node(state->dev->of_node, ep_np) { of_graph_parse_endpoint(ep_np, &ep); - adv_info(state, "Endpoint %s on port %d", - of_node_full_name(ep.local_node), - ep.port); + adv_info(state, "Endpoint %pOF on port %d", ep.local_node, + ep.port); if (ep.port >= ADV748X_PORT_MAX) { - adv_err(state, "Invalid endpoint %s on port %d", - of_node_full_name(ep.local_node), - ep.port); + adv_err(state, "Invalid endpoint %pOF on port %d", + ep.local_node, ep.port); continue; } @@ -719,7 +644,7 @@ static int adv748x_probe(struct i2c_client *client, ret = adv748x_identify_chip(state); if (ret) { adv_err(state, "Failed to identify chip"); - goto err_cleanup_clients; + goto err_cleanup_dt; } /* Configure remaining pages as I2C clients with regmap access */ diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c index 979825d..820b44e 100644 --- a/drivers/media/i2c/adv748x/adv748x-csi2.c +++ b/drivers/media/i2c/adv748x/adv748x-csi2.c @@ -223,13 +223,12 @@ static const struct v4l2_subdev_ops adv748x_csi2_ops = { int adv748x_csi2_set_pixelrate(struct v4l2_subdev *sd, s64 rate) { - struct v4l2_ctrl *ctrl; + struct adv748x_csi2 *tx = adv748x_sd_to_csi2(sd); - ctrl = v4l2_ctrl_find(sd->ctrl_handler, V4L2_CID_PIXEL_RATE); - if (!ctrl) + if (!tx->pixel_rate) return -EINVAL; - return v4l2_ctrl_s_ctrl_int64(ctrl, rate); + return v4l2_ctrl_s_ctrl_int64(tx->pixel_rate, rate); } static int adv748x_csi2_s_ctrl(struct v4l2_ctrl *ctrl) @@ -251,8 +250,10 @@ static int adv748x_csi2_init_controls(struct adv748x_csi2 *tx) v4l2_ctrl_handler_init(&tx->ctrl_hdl, 1); - v4l2_ctrl_new_std(&tx->ctrl_hdl, &adv748x_csi2_ctrl_ops, - V4L2_CID_PIXEL_RATE, 1, INT_MAX, 1, 1); + tx->pixel_rate = v4l2_ctrl_new_std(&tx->ctrl_hdl, + &adv748x_csi2_ctrl_ops, + V4L2_CID_PIXEL_RATE, 1, INT_MAX, + 1, 1); tx->sd.ctrl_handler = &tx->ctrl_hdl; if (tx->ctrl_hdl.error) { diff --git a/drivers/media/i2c/adv748x/adv748x-hdmi.c b/drivers/media/i2c/adv748x/adv748x-hdmi.c index 4da4253..10d229a 100644 --- a/drivers/media/i2c/adv748x/adv748x-hdmi.c +++ b/drivers/media/i2c/adv748x/adv748x-hdmi.c @@ -105,6 +105,9 @@ static void adv748x_hdmi_fill_format(struct adv748x_hdmi *hdmi, fmt->width = hdmi->timings.bt.width; fmt->height = hdmi->timings.bt.height; + + if (fmt->field == V4L2_FIELD_ALTERNATE) + fmt->height /= 2; } static void adv748x_fill_optional_dv_timings(struct v4l2_dv_timings *timings) diff --git a/drivers/media/i2c/adv748x/adv748x.h b/drivers/media/i2c/adv748x/adv748x.h index cc4151b..65f8374 100644 --- a/drivers/media/i2c/adv748x/adv748x.h +++ b/drivers/media/i2c/adv748x/adv748x.h @@ -27,19 +27,6 @@ #ifndef _ADV748X_H_ #define _ADV748X_H_ -/* I2C slave addresses */ -#define ADV748X_I2C_IO 0x70 /* IO Map */ -#define ADV748X_I2C_DPLL 0x26 /* DPLL Map */ -#define ADV748X_I2C_CP 0x22 /* CP Map */ -#define ADV748X_I2C_HDMI 0x34 /* HDMI Map */ -#define ADV748X_I2C_EDID 0x36 /* EDID Map */ -#define ADV748X_I2C_REPEATER 0x32 /* HDMI RX Repeater Map */ -#define ADV748X_I2C_INFOFRAME 0x31 /* HDMI RX InfoFrame Map */ -#define ADV748X_I2C_CEC 0x41 /* CEC Map */ -#define ADV748X_I2C_SDP 0x79 /* SDP Map */ -#define ADV748X_I2C_TXB 0x48 /* CSI-TXB Map */ -#define ADV748X_I2C_TXA 0x4a /* CSI-TXA Map */ - enum adv748x_page { ADV748X_PAGE_IO, ADV748X_PAGE_DPLL, @@ -48,6 +35,7 @@ enum adv748x_page { ADV748X_PAGE_EDID, ADV748X_PAGE_REPEATER, ADV748X_PAGE_INFOFRAME, + ADV748X_PAGE_CBUS, ADV748X_PAGE_CEC, ADV748X_PAGE_SDP, ADV748X_PAGE_TXB, @@ -97,6 +85,7 @@ struct adv748x_csi2 { struct media_pad pads[ADV748X_CSI2_NR_PADS]; struct v4l2_ctrl_handler ctrl_hdl; + struct v4l2_ctrl *pixel_rate; struct v4l2_subdev sd; }; |
