| /* Driver for the TC358764 Parallel to MIPI bridge |
| * |
| * Copyright (C) 2014 Parrot S.A. |
| * |
| * @author Lionel Flandrin <lionel.flandrin@parrot.com> |
| * @date 12-Dec-2014 |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/delay.h> |
| #include <linux/i2c.h> |
| #include <linux/init.h> |
| #include <linux/module.h> |
| #include <linux/slab.h> |
| |
| #include <media/tc358764.h> |
| |
| #define DEVICE_NAME "tc358764" |
| |
| #define TC358764_REG_VERSION 0x0000 |
| /* Expected chip revision */ |
| #define TC358764_VERSION 0x4401 |
| |
| /* These registers can be written using tc358764_write_dsi_config */ |
| #define TC358764_REG_DSI_CONTROL 0x040C |
| #define TC358764_REG_DSI_INT_ENA 0x0418 |
| #define TC358764_REG_DSI_ACKERR_INTENA 0x0438 |
| #define TC358764_REG_DSI_ACKERR_HALT 0x043C |
| #define TC358764_REG_DSI_RXERR_INTENA 0x0444 |
| #define TC358764_REG_DSI_RXERR_HALT 0x0448 |
| #define TC358764_REG_DSI_ERR_INTENA 0x0450 |
| #define TC358764_REG_DSI_ERR_HALT 0x0454 |
| |
| #define TC358764_REG_DSI_CONFW 0x0500 |
| |
| #define TC358764_REG_DSICMD_TX 0x0600 |
| #define TC358764_REG_DSICMD_TYPE 0x0602 |
| #define TC358764_REG_DSICMD_WC 0x0604 |
| #define TC358764_REG_DSICMD_WD0 0x0610 |
| #define TC358764_REG_DSICMD_WD1 0x0612 |
| #define TC358764_REG_DSICMD_WD2 0x0614 |
| #define TC358764_REG_DSICMD_WD3 0x0616 |
| |
| struct tc358764 { |
| struct i2c_client *client; |
| }; |
| |
| static int tc358764_read16(struct tc358764 *tc358764, u16 reg, u16 *val) |
| { |
| struct i2c_client *client = tc358764->client; |
| u8 regb[2]; |
| u8 valb[2]; |
| int ret; |
| |
| struct i2c_msg msg[] = { |
| [0] = { |
| .addr = client->addr, |
| .flags = 0, |
| .len = ARRAY_SIZE(regb), |
| .buf = regb, |
| }, |
| [1] = { |
| .addr = client->addr, |
| .flags = I2C_M_RD, |
| .len = ARRAY_SIZE(valb), |
| .buf = valb, |
| }, |
| }; |
| |
| regb[0] = (u8)(reg >> 8); |
| regb[1] = (u8)(reg); |
| |
| ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg)); |
| if (ret < 0) { |
| dev_err(&client->dev, "I2C read failed with error %d", ret); |
| return ret; |
| } |
| |
| *val = (((u16)valb[0]) << 8) | ((u16)valb[1]); |
| |
| return 0; |
| } |
| |
| static int tc358764_write16(struct tc358764 *tc358764, u16 reg, u16 val) |
| { |
| struct i2c_client *client = tc358764->client; |
| u8 data[4]; |
| int ret; |
| |
| struct i2c_msg msg[] = { |
| [0] = { |
| .addr = client->addr, |
| .flags = 0, |
| .len = ARRAY_SIZE(data), |
| .buf = data, |
| }, |
| }; |
| |
| data[0] = (u8)(reg >> 8); |
| data[1] = (u8)(reg); |
| |
| data[2] = (u8)(val >> 8); |
| data[3] = (u8)(val); |
| |
| ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg)); |
| if (ret < 0) { |
| dev_err(&client->dev, "I2C write failed with error %d", ret); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static int tc358764_write32(struct tc358764 *tc358764, u16 reg, u32 val) |
| { |
| struct i2c_client *client = tc358764->client; |
| u8 data[6]; |
| int ret; |
| |
| struct i2c_msg msg[] = { |
| [0] = { |
| .addr = client->addr, |
| .flags = 0, |
| .len = ARRAY_SIZE(data), |
| .buf = data, |
| }, |
| }; |
| |
| data[0] = (u8)(reg >> 8); |
| data[1] = (u8)(reg); |
| |
| // The chip uses this weird "PDP-endian" style byte organisation for |
| // 32byte writes. |
| data[2] = (u8)(val >> 8); |
| data[3] = (u8)(val); |
| data[4] = (u8)(val >> 24); |
| data[5] = (u8)(val >> 16); |
| |
| ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg)); |
| if (ret < 0) { |
| dev_err(&client->dev, "I2C write failed with error %d", ret); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| /* Certain registers have to be written indirectly using the DSI_CONFW |
| * register. It lets us set or clear individual bits (depending on whether set |
| * is true or false) data in reg */ |
| static int tc358764_write_dsi_config(struct tc358764 *tc358764, |
| u16 reg, |
| int set, |
| u16 data) |
| { |
| u32 id = 0; |
| u32 r; |
| int i; |
| |
| /* The DSI_CONFW register can be used to write to a specific list of |
| * registers selected with a 5bit identifier */ |
| static const struct { u16 reg; u32 id; } id_list[] = { |
| { TC358764_REG_DSI_CONTROL, 0x03 }, |
| { TC358764_REG_DSI_INT_ENA, 0x06 }, |
| { TC358764_REG_DSI_ACKERR_INTENA, 0x0e }, |
| { TC358764_REG_DSI_ACKERR_HALT, 0x0f }, |
| { TC358764_REG_DSI_RXERR_INTENA, 0x11 }, |
| { TC358764_REG_DSI_RXERR_HALT, 0x12 }, |
| { TC358764_REG_DSI_ERR_INTENA, 0x14 }, |
| { TC358764_REG_DSI_ERR_HALT, 0x15 }, |
| }; |
| |
| for (i = 0; i < ARRAY_SIZE(id_list); i++) { |
| if (id_list[i].reg == reg) { |
| id = id_list[i].id; |
| break; |
| } |
| } |
| |
| /* Crash if we're called with an invalid register */ |
| BUG_ON(id == 0); |
| |
| /* Build the DSI_CONFW command value */ |
| r = id << 24; |
| r |= (set ? 0x5 : 0x6) << 29; |
| r |= (u32)data; |
| |
| return tc358764_write32(tc358764, TC358764_REG_DSI_CONFW, r); |
| } |
| |
| /* Send a short command with no parameters */ |
| static int tc358764_dsi_write_no_param(struct tc358764 *tc358764, u8 cmd) |
| { |
| int ret; |
| |
| /* Short write without parameter */ |
| ret = tc358764_write16(tc358764, TC358764_REG_DSICMD_TYPE, 0x1005); |
| if (ret) |
| goto err; |
| |
| /* Word count is always 0 for short writes */ |
| ret = tc358764_write16(tc358764, TC358764_REG_DSICMD_WC, 0); |
| if (ret) |
| goto err; |
| |
| /* Command byte to be sent */ |
| ret = tc358764_write16(tc358764, TC358764_REG_DSICMD_WD0, cmd); |
| if (ret) |
| goto err; |
| |
| /* Start DSI transfer */ |
| ret = tc358764_write16(tc358764, TC358764_REG_DSICMD_TX, 1); |
| if (ret) |
| goto err; |
| |
| err: |
| return ret; |
| } |
| |
| /* Send a short command with one parameters */ |
| static int tc358764_dsi_write_one_param(struct tc358764 *tc358764, |
| u8 cmd, |
| u8 |
| param) |
| { |
| int ret; |
| |
| /* Short write with one parameter */ |
| ret = tc358764_write16(tc358764, TC358764_REG_DSICMD_TYPE, 0x1015); |
| if (ret) |
| goto err; |
| |
| /* Word count is always 0 for short writes */ |
| ret = tc358764_write16(tc358764, TC358764_REG_DSICMD_WC, 0); |
| if (ret) |
| goto err; |
| |
| /* Command and parameter to be sent */ |
| ret = tc358764_write16(tc358764, |
| TC358764_REG_DSICMD_WD0, |
| (((u16)param) << 8) | (u16)cmd); |
| if (ret) |
| goto err; |
| |
| /* Start DSI transfer */ |
| ret = tc358764_write16(tc358764, TC358764_REG_DSICMD_TX, 1); |
| if (ret) |
| goto err; |
| |
| err: |
| return ret; |
| } |
| |
| /* Send a long command with up to 7 parameters */ |
| static int tc358764_dsi_write_long(struct tc358764 *tc358764, |
| u8 cmd, |
| size_t nparams, |
| u8 *params) |
| { |
| int ret; |
| |
| BUG_ON(nparams > 7); |
| |
| /* DCS long write */ |
| ret = tc358764_write16(tc358764, TC358764_REG_DSICMD_TYPE, 0x4039); |
| if (ret) |
| goto err; |
| |
| /* Set number of parameters + 1 for the command byte */ |
| ret = tc358764_write16(tc358764, TC358764_REG_DSICMD_WC, nparams + 1); |
| if (ret) |
| goto err; |
| |
| /* Store the command + parameters to be sent. Unused parameters are |
| * padded with 0s */ |
| |
| #define GET_PARAM(n) ((n) < nparams ? params[(n)] : 0) |
| #define INTO_U16(l, h) ((u16)(l) | (((u16)(h)) << 8)) |
| |
| ret = tc358764_write16(tc358764, |
| TC358764_REG_DSICMD_WD0, |
| INTO_U16(cmd, GET_PARAM(0))); |
| if (ret) |
| goto err; |
| |
| ret = tc358764_write16(tc358764, |
| TC358764_REG_DSICMD_WD1, |
| INTO_U16(GET_PARAM(1), GET_PARAM(2))); |
| if (ret) |
| goto err; |
| |
| |
| ret = tc358764_write16(tc358764, |
| TC358764_REG_DSICMD_WD2, |
| INTO_U16(GET_PARAM(3), GET_PARAM(4))); |
| if (ret) |
| goto err; |
| |
| ret = tc358764_write16(tc358764, |
| TC358764_REG_DSICMD_WD3, |
| INTO_U16(GET_PARAM(5), GET_PARAM(6))); |
| if (ret) |
| goto err; |
| |
| #undef INTO_U16 |
| #undef GET_PARAM |
| |
| /* Start DSI transfer */ |
| ret = tc358764_write16(tc358764, TC358764_REG_DSICMD_TX, 1); |
| if (ret) |
| goto err; |
| |
| err: |
| return ret; |
| } |
| |
| /// Send DSI command with a variable amount of parameters |
| static int tc358764_dsi_write(struct tc358764 *tc358764, |
| u8 cmd, |
| size_t nparams, |
| u8 *params) |
| { |
| if (nparams == 0) { |
| return tc358764_dsi_write_no_param(tc358764, cmd); |
| } else if (nparams == 1) { |
| return tc358764_dsi_write_one_param(tc358764, cmd, params[0]); |
| } else if (nparams <= 7) { |
| return tc358764_dsi_write_long(tc358764, cmd, nparams, params); |
| } else { |
| /* Sending commands with more parameters is possible with this |
| * bridge but it's tricky. You need to use the video RAM to |
| * store the command (so you have to stop the video streaming) |
| * and we never managed to find the correct sequence to get it |
| * to work reliably. */ |
| dev_err(&tc358764->client->dev, |
| "DSI command with more than 7 " |
| "parameters are not supported"); |
| return -EINVAL; |
| } |
| |
| /* Not sure if that's entirely necessary but it shouldn't hurt */ |
| msleep(1); |
| } |
| |
| /* XXX Hardcoded init for RNB6 */ |
| static int tc358764_rnb6_init(struct tc358764 *tc358764) { |
| int ret; |
| |
| #define TRY(exp) do { ret = (exp); if (ret < 0) { goto err; } } while (0) |
| |
| // Disable Parallel Input and activate Automatic I2C address increment |
| TRY(tc358764_write16(tc358764, 0x04, 0x04)); |
| |
| // Software reset |
| TRY(tc358764_write16(tc358764, 0x2, 0x1)); |
| msleep(10); |
| TRY(tc358764_write16(tc358764, 0x2, 0x0)); |
| |
| // PLL config |
| TRY(tc358764_write16(tc358764, 0x16, 0x507e)); |
| TRY(tc358764_write16(tc358764, 0x18, 0x0203)); |
| msleep(1); |
| TRY(tc358764_write16(tc358764, 0x18, 0x0213)); |
| |
| TRY(tc358764_write16(tc358764, 0x06, 0x0D0)); |
| TRY(tc358764_write16(tc358764, 0x08, 0x37)); //? |
| TRY(tc358764_write16(tc358764, 0x50, 0x3e)); //? |
| |
| TRY(tc358764_write32(tc358764, 0x140, 0)); |
| TRY(tc358764_write32(tc358764, 0x144, 0)); |
| TRY(tc358764_write32(tc358764, 0x148, 0)); |
| TRY(tc358764_write32(tc358764, 0x14c, 0)); |
| TRY(tc358764_write32(tc358764, 0x150, 0)); |
| |
| TRY(tc358764_write32(tc358764, 0x210, 0x2c88)); |
| TRY(tc358764_write32(tc358764, 0x214, 0x5)); |
| TRY(tc358764_write32(tc358764, 0x218, 0x1f06)); |
| TRY(tc358764_write32(tc358764, 0x21c, 0x3)); |
| TRY(tc358764_write32(tc358764, 0x220, 0x606)); |
| TRY(tc358764_write32(tc358764, 0x224, 0x4a88)); |
| TRY(tc358764_write32(tc358764, 0x228, 0xb)); |
| |
| |
| TRY(tc358764_write32(tc358764, 0x22c, 0x4)); |
| |
| TRY(tc358764_write32(tc358764, 0x234, 0x1f)); |
| |
| TRY(tc358764_write32(tc358764, 0x238, 0x1)); |
| TRY(tc358764_write32(tc358764, 0x23c, 0x00050005)); |
| TRY(tc358764_write32(tc358764, 0x204, 0x1)); |
| |
| TRY(tc358764_write16(tc358764, 0x620, 0x1)); |
| TRY(tc358764_write16(tc358764, 0x622, 0x11)); |
| TRY(tc358764_write16(tc358764, 0x626, 0x500)); |
| TRY(tc358764_write16(tc358764, 0x628, 0xd8)); |
| TRY(tc358764_write16(tc358764, 0x62c, 0x870)); |
| |
| //DSI Start |
| TRY(tc358764_write32(tc358764, 0x518, 0x1)); |
| |
| //Set bit DSI CTRL |
| TRY(tc358764_write_dsi_config(tc358764, |
| TC358764_REG_DSI_CONTROL, |
| 1, |
| 0x0126)); |
| //Clear bit DSI CTRL |
| TRY(tc358764_write_dsi_config(tc358764, |
| TC358764_REG_DSI_CONTROL, |
| 0, |
| 0xfe81)); |
| |
| // INIT LCD |
| |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0xff, 3, (u8[]){0x12, 0x84, 0x01})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x80})); |
| TRY(tc358764_dsi_write(tc358764, 0xff, 2, (u8[]){0x12, 0x84})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x80})); |
| TRY(tc358764_dsi_write(tc358764, 0xc0, 7, (u8[]){0x00, 0x64, 0x00, 0x10, 0x10, 0x00, 0x64})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x87})); |
| TRY(tc358764_dsi_write(tc358764, 0xc0, 2, (u8[]){0x10, 0x10})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x90})); |
| TRY(tc358764_dsi_write(tc358764, 0xc0, 6, (u8[]){0x00, 0x5c, 0x00, 0x01, 0x00, 0x04})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb3})); |
| TRY(tc358764_dsi_write(tc358764, 0xc0, 2, (u8[]){0x00, 0x55})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x81})); |
| TRY(tc358764_dsi_write(tc358764, 0xc1, 1, (u8[]){0x55})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xa0})); |
| TRY(tc358764_dsi_write(tc358764, 0xc4, 7, (u8[]){0x05, 0x10, 0x06, 0x02, 0x05, 0x15, 0x10})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xa7})); |
| TRY(tc358764_dsi_write(tc358764, 0xc4, 7, (u8[]){0x05, 0x10, 0x07, 0x02, 0x05, 0x15, 0x10})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb0})); |
| TRY(tc358764_dsi_write(tc358764, 0xc4, 2, (u8[]){0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x91})); |
| TRY(tc358764_dsi_write(tc358764, 0xc5, 2, (u8[]){0x46, 0x42})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0xd8, 2, (u8[]){0xc7, 0xc7})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0xd9, 1, (u8[]){0x68})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb3})); |
| TRY(tc358764_dsi_write(tc358764, 0xc5, 1, (u8[]){0x84})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xbb})); |
| TRY(tc358764_dsi_write(tc358764, 0xc5, 1, (u8[]){0x8a})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x82})); |
| TRY(tc358764_dsi_write(tc358764, 0xC4, 1, (u8[]){0x0a})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xc6})); |
| TRY(tc358764_dsi_write(tc358764, 0xB0, 1, (u8[]){0x03})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xc2})); |
| TRY(tc358764_dsi_write(tc358764, 0xf5, 1, (u8[]){0x40})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xc3})); |
| TRY(tc358764_dsi_write(tc358764, 0xf5, 1, (u8[]){0x85})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0xd0, 1, (u8[]){0x40})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0xd1, 2, (u8[]){0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x80})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x87})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 4, (u8[]){0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x90})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x97})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x9e})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xa0})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xa7})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xae})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb0})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb7})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xbe})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xc0})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 7, (u8[]){0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xc7})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 7, (u8[]){0x00, 0x00, 0x00, 0x05, 0x05, 0x00, 0x05})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xce})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 1, (u8[]){0x05})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xd0})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xd7})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 7, (u8[]){0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xde})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xe0})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 7, (u8[]){0x00, 0x00, 0x05, 0x05, 0x00, 0x05, 0x05})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xe7})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xf0})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 7, (u8[]){0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xf7})); |
| TRY(tc358764_dsi_write(tc358764, 0xcb, 4, (u8[]){0xff, 0xff, 0xff, 0xff})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x80})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 7, (u8[]){0x0e, 0x10, 0x0a, 0x0c, 0x02, 0x04, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x87})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 7, (u8[]){0x00, 0x00, 0x00, 0x2e, 0x2d, 0x00, 0x29})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x8e})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 1, (u8[]){0x2a})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x90})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x97})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 7, (u8[]){0x0d, 0x0f, 0x09, 0x0b, 0x01, 0x03, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x9e})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xa0})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 7, (u8[]){0x00, 0x00, 0x2e, 0x2d, 0x00, 0x29, 0x2a})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xa7})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb0})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 7, (u8[]){0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb7})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 7, (u8[]){0x00, 0x00, 0x00, 0x2d, 0x2e, 0x00, 0x29})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xbe})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 1, (u8[]){0x2a})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xc0})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xc7})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 7, (u8[]){0x0c, 0x0a, 0x10, 0x0e, 0x04, 0x02, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xce})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xd0})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 7, (u8[]){0x00, 0x00, 0x2d, 0x2e, 0x00, 0x29, 0x2a})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xd7})); |
| TRY(tc358764_dsi_write(tc358764, 0xcc, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x80})); |
| TRY(tc358764_dsi_write(tc358764, 0xce, 7, (u8[]){0x8b, 0x03, 0x18, 0x8a, 0x03, 0x18, 0x89})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x87})); |
| TRY(tc358764_dsi_write(tc358764, 0xce, 5, (u8[]){0x03, 0x18, 0x88, 0x03, 0x18})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x90})); |
| TRY(tc358764_dsi_write(tc358764, 0xce, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x97})); |
| TRY(tc358764_dsi_write(tc358764, 0xce, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xa0})); |
| TRY(tc358764_dsi_write(tc358764, 0xce, 7, (u8[]){0x38, 0x07, 0x05, 0x00, 0x00, 0x18, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xa7})); |
| TRY(tc358764_dsi_write(tc358764, 0xce, 7, (u8[]){0x38, 0x06, 0x05, 0x01, 0x00, 0x18, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb0})); |
| TRY(tc358764_dsi_write(tc358764, 0xce, 7, (u8[]){0x38, 0x05, 0x05, 0x02, 0x00, 0x18, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb7})); |
| TRY(tc358764_dsi_write(tc358764, 0xce, 7, (u8[]){0x38, 0x04, 0x05, 0x03, 0x00, 0x18, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xc0})); |
| TRY(tc358764_dsi_write(tc358764, 0xce, 7, (u8[]){0x38, 0x03, 0x05, 0x04, 0x00, 0x18, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xc7})); |
| TRY(tc358764_dsi_write(tc358764, 0xce, 7, (u8[]){0x38, 0x02, 0x05, 0x05, 0x00, 0x18, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xd0})); |
| TRY(tc358764_dsi_write(tc358764, 0xce, 7, (u8[]){0x38, 0x01, 0x05, 0x06, 0x00, 0x18, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xd7})); |
| TRY(tc358764_dsi_write(tc358764, 0xce, 7, (u8[]){0x38, 0x00, 0x05, 0x07, 0x00, 0x18, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x80})); |
| TRY(tc358764_dsi_write(tc358764, 0xcf, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x87})); |
| TRY(tc358764_dsi_write(tc358764, 0xcf, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x90})); |
| TRY(tc358764_dsi_write(tc358764, 0xcf, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x97})); |
| TRY(tc358764_dsi_write(tc358764, 0xcf, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xa0})); |
| TRY(tc358764_dsi_write(tc358764, 0xcf, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xa7})); |
| TRY(tc358764_dsi_write(tc358764, 0xcf, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb0})); |
| TRY(tc358764_dsi_write(tc358764, 0xcf, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb7})); |
| TRY(tc358764_dsi_write(tc358764, 0xcf, 7, (u8[]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xc0})); |
| TRY(tc358764_dsi_write(tc358764, 0xcf, 7, (u8[]){0x3d, 0x02, 0x15, 0x20, 0x00, 0x00, 0x01})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xc7})); |
| TRY(tc358764_dsi_write(tc358764, 0xcf, 4, (u8[]){0x81, 0x00, 0x03, 0x08})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb5})); |
| TRY(tc358764_dsi_write(tc358764, 0xc5, 6, (u8[]){0x3f, 0x6f, 0xff, 0x00, 0x6f, 0xff})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x90})); |
| TRY(tc358764_dsi_write(tc358764, 0xf5, 4, (u8[]){0x02, 0x11, 0x02, 0x15})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x90})); |
| TRY(tc358764_dsi_write(tc358764, 0xc5, 1, (u8[]){0x50})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x94})); |
| TRY(tc358764_dsi_write(tc358764, 0xc5, 1, (u8[]){0x66})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb2})); |
| TRY(tc358764_dsi_write(tc358764, 0xf5, 2, (u8[]){0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb4})); |
| TRY(tc358764_dsi_write(tc358764, 0xf5, 2, (u8[]){0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb6})); |
| TRY(tc358764_dsi_write(tc358764, 0xf5, 2, (u8[]){0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb8})); |
| TRY(tc358764_dsi_write(tc358764, 0xf5, 2, (u8[]){0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x94})); |
| TRY(tc358764_dsi_write(tc358764, 0xf5, 2, (u8[]){0x00, 0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xd2})); |
| TRY(tc358764_dsi_write(tc358764, 0xf5, 2, (u8[]){0x06, 0x15})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0xb4})); |
| TRY(tc358764_dsi_write(tc358764, 0xc5, 1, (u8[]){0xcc})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x25})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x34})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x41})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x52})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x5f})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x60})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x88})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x76})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x8d})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x77})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x63})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x63})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x4e})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x4a})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x3a})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x2b})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x1b})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x10})); |
| TRY(tc358764_dsi_write(tc358764, 0xE1, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x25})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x34})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x41})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x52})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x5f})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x60})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x88})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x76})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x8d})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x77})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x63})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x74})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x4e})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x4a})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x3a})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x2b})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x1b})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x10})); |
| TRY(tc358764_dsi_write(tc358764, 0xE2, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0x00, 1, (u8[]){0x00})); |
| TRY(tc358764_dsi_write(tc358764, 0xff, 3, (u8[]){0xff, 0xff, 0xff})); |
| |
| msleep(1); |
| |
| TRY(tc358764_dsi_write(tc358764, 0x11, 0, NULL)); |
| |
| msleep(1); |
| |
| TRY(tc358764_dsi_write(tc358764, 0x29, 0, NULL)); |
| |
| msleep(1); |
| |
| TRY(tc358764_write_dsi_config(tc358764, |
| TC358764_REG_DSI_CONTROL, |
| 1, |
| 0x00a7)); |
| |
| TRY(tc358764_write_dsi_config(tc358764, |
| TC358764_REG_DSI_CONTROL, |
| 0, |
| 0x8000)); |
| |
| TRY(tc358764_write16(tc358764, 0x4, 0x44)); |
| |
| #undef TRY |
| |
| err: |
| return ret; |
| } |
| |
| static int tc358764_probe(struct i2c_client *client, |
| const struct i2c_device_id *id) |
| { |
| struct tc358764_pdata *pdata = client->dev.platform_data; |
| struct tc358764 *tc358764; |
| u16 version; |
| int ret; |
| |
| tc358764 = kzalloc(sizeof(*tc358764), GFP_KERNEL); |
| if (tc358764 == NULL) { |
| ret = -ENOMEM; |
| goto kzalloc_failed; |
| } |
| |
| tc358764->client = client; |
| |
| i2c_set_clientdata(client, tc358764); |
| |
| if (pdata->set_power) { |
| ret = pdata->set_power(1); |
| if (ret) { |
| goto set_power_failed; |
| } |
| } |
| |
| ret = tc358764_read16(tc358764, TC358764_REG_VERSION, &version); |
| if (ret) { |
| goto read_failed; |
| } |
| |
| if (version != TC358764_VERSION) { |
| ret = -EINVAL; |
| dev_err(&client->dev, |
| "Unexpected device version: expected %04x got %04x\n", |
| TC358764_VERSION, version); |
| goto bad_version; |
| } |
| |
| |
| ret = tc358764_rnb6_init(tc358764); |
| if (ret) { |
| goto init_failed; |
| } |
| |
| dev_info(&client->dev, "bridge succesfully initialized\n"); |
| |
| return 0; |
| |
| init_failed: |
| bad_version: |
| read_failed: |
| pdata->set_power(0); |
| set_power_failed: |
| kfree(tc358764); |
| kzalloc_failed: |
| i2c_set_clientdata(client, NULL); |
| return ret; |
| } |
| |
| static int tc358764_remove(struct i2c_client *client) |
| { |
| struct tc358764 *tc358764 = i2c_get_clientdata(client); |
| struct tc358764_pdata *pdata = client->dev.platform_data; |
| |
| if (tc358764 == NULL) { |
| return 0; |
| } |
| |
| if (pdata->set_power) { |
| pdata->set_power(0); |
| } |
| |
| kfree(tc358764); |
| |
| i2c_set_clientdata(client, NULL); |
| |
| return 0; |
| } |
| |
| static const struct i2c_device_id tc358764_id[] = { |
| { DEVICE_NAME, 0 }, |
| { /* EOT */ } |
| }; |
| |
| MODULE_DEVICE_TABLE(i2c, tc358764_id); |
| |
| static struct i2c_driver tc358764_driver = { |
| .driver = { |
| .owner = THIS_MODULE, |
| .name = DEVICE_NAME, |
| }, |
| .probe = tc358764_probe, |
| .remove = tc358764_remove, |
| .id_table = tc358764_id, |
| }; |
| |
| module_i2c_driver(tc358764_driver); |
| |
| MODULE_AUTHOR("Lionel Flandrin <lionel.flandrin@parrot.com>"); |
| MODULE_DESCRIPTION("kernel driver for tc358764"); |
| MODULE_LICENSE("GPL"); |
