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Commit a9cd51b0 authored by Andrey Filippov's avatar Andrey Filippov
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Working on sensor channel

parent 0fec497c
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Showing with 107 additions and 33 deletions
sensor/sens_gamma.v
View file @ a9cd51b0
......@@ -109,7 +109,7 @@ module sens_gamma #(
reg [1:0] color; // for selecting page in a gamma table
reg bayer0_latched; // latch bayer[0] at the beginning of first line
// reg hact_m;
reg [3:0] hact_d; // combine sevaral delays?
reg [4:0] hact_d; // combine several delays?
// reg en_d;
reg [7:0] cdata; //8-bit pixel data after "curves"
// modified table data to increase precision. table_base[9:0] is now 10 bits (2 extra).
......@@ -117,8 +117,8 @@ module sens_gamma #(
// 8 bit table_diff will be "floating point" with the following format
// now "signed" is 2's complement, was sign, abs() before
wire [7:0] table_diff_w; // 8 msbs in table word - msb - sign (0 plus, 1 - minus), other 7 bits - +/-127 difference to the next value
wire [9:0] table_base_w; // 10 lsbs in the table - base value, will be corrected using table_diff and input data lsbs (2 for now)
reg [7:0] table_diff_m; // 8 msbs in table word - msb - sign (0 plus, 1 - minus), other 7 bits - +/-127 difference to the next value
reg [9:0] table_base_m; // 10 lsbs in the table - base value, will be corrected using table_diff and input data lsbs (2 for now)
wire [35:0] table_mult;
// register decoded memory output
......@@ -128,8 +128,8 @@ module sens_gamma #(
reg [ 9:0] table_base_r;
wire [9:0] interp_data;
wire [7:0] pxd_in_d2;
reg [7:0] pxd_in_r3; // register to be absorbed in mpy
wire [7:0] pxd_in_d3;
reg [7:0] pxd_in_r4; // register to be absorbed in mpy
reg vblank; // from sof to first hact
reg pend_trig; // pending trigger (if trig came outside of vblank
......@@ -145,7 +145,7 @@ module sens_gamma #(
wire [17:0] table_rdata;
assign pxd_out = cdata;
assign hact_out = hact_d[3];
assign hact_out = hact_d[4];
assign set_ctrl_w = cmd_we && (cmd_a == SENS_GAMMA_CTRL );
// assign set_status_w = cmd_we && (cmd_a == SENS_GAMMA_STATUS );
......@@ -170,7 +170,7 @@ module sens_gamma #(
assign table_rdata= ram_chn_d2[1]?
(ram_chn_d2[0]?table_rdata3:table_rdata2):
(ram_chn_d2[0]?table_rdata1:table_rdata0);
assign {table_diff_w[7:0],table_base_w[9:0]} = table_rdata;
// assign {table_diff_w[7:0],table_base_w[9:0]} = table_rdata;
assign bayer = mode[SENS_GAMMA_MODE_BAYER +: 2];
assign table_page = mode[SENS_GAMMA_MODE_PAGE]; // TODO: re-assign?
......@@ -179,7 +179,7 @@ module sens_gamma #(
assign sync_bayer=hact_d[1] && ~hact_d[2];
assign interp_data[9:0] = table_base_r[9:0]+table_mult_r[17:8]+table_mult_r[7]; //round
assign table_mult=table_diff*{1'b0,pxd_in_r3[7:0]}; // 11 bits, signed* 9 bits, positive
assign table_mult=table_diff*{1'b0,pxd_in_r4[7:0]}; // 11 bits, signed* 9 bits, positive
assign sof_masked= sof_in && (pend_trig || repet_mode) && en_input;
assign trig = trig_in || trig_soft;
......@@ -218,7 +218,7 @@ module sens_gamma #(
always @ (posedge rst or posedge pclk) begin
if (rst) begin
mode <= 0;
hact_d[3:0] <= 0;
hact_d[4:0] <= 0;
bayer_nset <= 0;
bayer0_latched <= 0;
color[1:0] <= 0;
......@@ -229,12 +229,12 @@ module sens_gamma #(
end else begin
mode <= mode_mclk;
hact_d[3:0] <= {hact_d[2:0],hact_in};
hact_d[4:0] <= {hact_d[3:0],hact_in};
bayer_nset <= frame_run && (bayer_nset || hact_in);
bayer0_latched <= bayer_nset? bayer0_latched:bayer[0];
color[1:0] <= { bayer_nset? (sync_bayer ^ color[1]):bayer[1] ,
(bayer_nset &&(~sync_bayer))?~color[0]:bayer0_latched };
pxd_in_r3 <= pxd_in_d2;
pxd_in_r4 <= pxd_in_d3;
cdata[7:0] <= interp_data[9:2];
vblank <= sof_in || (vblank && !hact_in);
pend_trig <= (trig && !vblank) || (pend_trig && !sof_in);
......@@ -245,10 +245,11 @@ module sens_gamma #(
end
always @ (posedge pclk) begin
table_base[9:0] <= table_base_w[9:0];
table_diff[10:0] <= table_diff_w[7]?
{table_diff_w[6:0],4'b0}:
{{4{table_diff_w[6]}},table_diff_w[6:0]};
{table_diff_m[7:0],table_base_m[9:0]} <= table_rdata;
table_base[9:0] <= table_base_m[9:0];
table_diff[10:0] <= table_diff_m[7]?
{table_diff_m[6:0],4'b0}:
{{4{table_diff_m[6]}},table_diff_m[6:0]};
table_mult_r[17:7] <= table_mult[17:7];
table_base_r[ 9:0] <= table_base[ 9:0];
......@@ -290,9 +291,9 @@ module sens_gamma #(
) dly_16_pxd_i (
.clk (pclk), // input
.rst (rst), // input
.dly (2), // input[3:0]
.dly (3), // input[3:0]
.din (pxd_in[7:0]), // input[0:0]
.dout(pxd_in_d2) // output[0:0]
.dout(pxd_in_d3) // output[0:0]
);
dly_16 #(
......@@ -300,7 +301,7 @@ module sens_gamma #(
) dly_16_sof_eof_i (
.clk (pclk), // input
.rst (rst), // input
.dly (3), // input[3:0]
.dly (4), // input[3:0]
.din ({eof_in, sof_masked}), // input[0:0]
.dout({eof_out,sof_out}) // output[0:0]
);
......
sensor/sensor_channel.v
View file @ a9cd51b0
......@@ -36,6 +36,7 @@ module sensor_channel#(
// parameter SENSI2C_ABS_ADDR = 'h302, // 'h300,
// parameter SENSI2C_REL_ADDR = 'h320, // 'h310,
parameter SENSOR_CTRL_ADDR_MASK = 'h3ff, //
parameter SENSI2C_ADDR_MASK = 'h3f0, // both for SENSI2C_ABS_ADDR and SENSI2C_REL_ADDR
// parameter SENSI2C_CTRL_ADDR = 'h302. // 'h320,
parameter SENSI2C_CTRL_MASK = 'h3fe,
......@@ -75,11 +76,14 @@ module sensor_channel#(
parameter SENSOR_FIFO_DELAY = 7,
// parameter SENS_GAMMA_ADDR = 'h304, //..'h307, // 'h338,
parameter SENS_GAMMA_NUM_CHN = 3, // number of subchannels for his sensor ports (1..4)
parameter SENS_GAMMA_BUFFER = 0, // 1 - use "shadow" table for clean switching, 0 - single table per channel
// parameter SENS_GAMMA_ADDR = 'h338,
parameter SENS_GAMMA_ADDR_MASK = 'h3fc,
parameter SENS_GAMMA_CTRL = 'h0,
// parameter SENS_GAMMA_STATUS = 'h1,
parameter SENS_GAMMA_TADDR = 'h2,
parameter SENS_GAMMA_TDATA = 'h3, // 1.. 2^16, 0 - use HACT
parameter SENS_GAMMA_ADDR_DATA = 'h1, // bit 20 ==1 - table address, bit 20==0 - table data (18 bits)
parameter SENS_GAMMA_HEIGHT01 = 'h2, // bits [15:0] - height minus 1 of image 0, [31:16] - height-1 of image1
parameter SENS_GAMMA_HEIGHT2 = 'h3, // bits [15:0] - height minus 1 of image 2 ( no need for image 3)
// parameter SENS_GAMMA_STATUS_REG = 'h32
parameter SENS_GAMMA_MODE_WIDTH = 5, // does not include trig
parameter SENS_GAMMA_MODE_BAYER = 0,
......@@ -145,11 +149,17 @@ module sensor_channel#(
output status_rq, // input request to send status downstream
input status_start, // Acknowledge of the first status packet byte (address)
output [15:0] dout,
output dout_valid,
output sof_out,
output eof_out,
output hist_request,
input hist_grant,
output [1:0] hist_chn, // output[1:0]
output hist_dvalid, // output
output [31:0] hist_data // output[31:0]
// (much) more will be added later
......@@ -200,20 +210,73 @@ module sensor_channel#(
wire gamma_sof_out;
wire gamma_eof_out;
wire [31:0] sensor_ctrl_data;
wire sensor_ctrl_we;
reg [8:0] mode;
wire [3:0] hist_en;
wire hist_nrst;
wire bit16; // 16-bit mode, 0 - 8 bit mode
wire [3:0] hist_rq;
wire [3:0] hist_gr;
wire [3:0] hist_dv;
wire [31:0] hist_do0;
wire [31:0] hist_do1;
wire [31:0] hist_do2;
wire [31:0] hist_do3;
reg [7:0] gamma_data_r;
reg [15:0] dout_r;
reg dav_8bit;
reg dav_r;
wire [15:0] dout_w;
wire dav_w;
reg sof_out_r;
reg eof_out_r;
// TODO: insert vignetting and/or flat field, pixel defects before gamma_*_in
assign gamma_pxd_in = {pxd[11:0],4'b0};
assign gamma_hact_in = hact;
assign gamma_sof_in = sof;
assign gamma_eof_in = eof;
assign dout = dout_r;
assign dout_valid = dav_r;
assign sof_out = sof_out_r;
assign eof_out = eof_out_r;
assign dout_w = bit16 ? gamma_pxd_in : {gamma_data_r,gamma_pxd_out};
assign dav_w = bit16 ? gamma_hact_in : dav_8bit;
assign hist_en = mode[3:0];
assign hist_nrst = mode[4];
assign bit16 = mode[8];
always @ (posedge mclk) begin
cmd_ad <= cmd_ad_in;
cmd_stb <= cmd_stb_in;
end
status_router2 status_router2_sensori (
always @ (posedge rst or posedge mclk) begin
if (rst) mode <= 0;
else if (sensor_ctrl_we) mode <= sensor_ctrl_data[8:0];
end
always @ (posedge pclk) begin
if (dav_w) dout_r <= dout_w;
dav_r <= dav_w;
dav_8bit <= gamma_hact_out && !dav_8bit;
if (gamma_hact_out && !dav_8bit) gamma_data_r <= gamma_pxd_out;
sof_out_r <= bit16 ? gamma_sof_in : gamma_sof_out;
eof_out_r <= bit16 ? gamma_eof_in : gamma_eof_out;
end
status_router2 status_router2_sensor_i (
.rst (rst), // input
.clk (mclk), // input
.db_in0 (sens_i2c_status_ad), // input[7:0]
......@@ -227,6 +290,22 @@ module sensor_channel#(
.start_out (status_start) // input
);
cmd_deser #(
.ADDR (SENSOR_CTRL_ADDR),
.ADDR_MASK (SENSOR_CTRL_ADDR_MASK),
.NUM_CYCLES (6),
.ADDR_WIDTH (1),
.DATA_WIDTH (32)
) cmd_deser_sens_channel_i (
.rst (rst), // input
.clk (mclk), // input
.ad (cmd_ad), // input[7:0]
.stb (cmd_stb), // input
.addr (), // output[0:0] - not used
.data (sensor_ctrl_data), // output[31:0]
.we (sensor_ctrl_we) // output
);
sensor_i2c_io #(
.SENSI2C_ABS_ADDR (SENSI2C_ABS_ADDR),
.SENSI2C_REL_ADDR (SENSI2C_REL_ADDR),
......@@ -338,11 +417,14 @@ module sensor_channel#(
);
sens_gamma #(
.SENS_GAMMA_NUM_CHN (SENS_GAMMA_NUM_CHN),
.SENS_GAMMA_BUFFER (SENS_GAMMA_BUFFER),
.SENS_GAMMA_ADDR (SENS_GAMMA_ADDR),
.SENS_GAMMA_ADDR_MASK (SENS_GAMMA_ADDR_MASK),
.SENS_GAMMA_CTRL (SENS_GAMMA_CTRL),
.SENS_GAMMA_TADDR (SENS_GAMMA_TADDR),
.SENS_GAMMA_TDATA (SENS_GAMMA_TDATA),
.SENS_GAMMA_ADDR_DATA (SENS_GAMMA_ADDR_DATA),
.SENS_GAMMA_HEIGHT01 (SENS_GAMMA_HEIGHT01),
.SENS_GAMMA_HEIGHT2 (SENS_GAMMA_HEIGHT2),
.SENS_GAMMA_MODE_WIDTH (SENS_GAMMA_MODE_WIDTH),
.SENS_GAMMA_MODE_BAYER (SENS_GAMMA_MODE_BAYER),
.SENS_GAMMA_MODE_PAGE (SENS_GAMMA_MODE_PAGE),
......@@ -367,15 +449,6 @@ module sensor_channel#(
);
// TODO: Use generate to generate 1-4 histogram modules
wire [3:0] hist_en;
wire hist_nrst;
wire [3:0] hist_rq;
wire [3:0] hist_gr;
wire [3:0] hist_dv;
wire [31:0] hist_do0;
wire [31:0] hist_do1;
wire [31:0] hist_do2;
wire [31:0] hist_do3;
generate
if (HISTOGRAM_ADDR0 >=0)
sens_histogram #(
......
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