adapt cxd2099 to mainline 4.14-rc2
This commit is contained in:
Ralph Metzler
parent
872f99fbbe
commit
b5ae7ac76f
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@ -14,6 +14,7 @@ EXTRA_CFLAGS += -DCONFIG_DVB_STV6111
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EXTRA_CFLAGS += -DCONFIG_DVB_STV0910
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EXTRA_CFLAGS += -DCONFIG_DVB_LNBH25
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EXTRA_CFLAGS += -DCONFIG_DVB_MXL5XX
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EXTRA_CFLAGS += -DCONFIG_DVB_CXD2099
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EXTRA_CFLAGS += -DDBVALS
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NOSTDINC_FLAGS += -I$(SUBDIRS)/include -I$(SUBDIRS)/dvb-core
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@ -22,12 +22,9 @@
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* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
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*/
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#include <linux/version.h>
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#include <linux/slab.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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#include <linux/i2c.h>
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#include <linux/wait.h>
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#include <linux/delay.h>
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@ -36,7 +33,9 @@
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#include "cxd2099.h"
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//#define BUFFER_MODE 1
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static int buffermode;
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module_param(buffermode, int, 0444);
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MODULE_PARM_DESC(buffermode, "Enable use of the CXD2099AR buffer mode (default: disabled)");
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static int read_data(struct dvb_ca_en50221 *ca, int slot, u8 *ebuf, int ecount);
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@ -73,8 +72,9 @@ static int i2c_write_reg(struct i2c_adapter *adapter, u8 adr,
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struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = m, .len = 2};
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if (i2c_transfer(adapter, &msg, 1) != 1) {
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pr_err("Failed to write to I2C register %02x@%02x!\n",
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reg, adr);
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dev_err(&adapter->dev,
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"Failed to write to I2C register %02x@%02x!\n",
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reg, adr);
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return -1;
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}
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return 0;
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@ -86,7 +86,7 @@ static int i2c_write(struct i2c_adapter *adapter, u8 adr,
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struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = data, .len = len};
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if (i2c_transfer(adapter, &msg, 1) != 1) {
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pr_err("Failed to write to I2C!\n");
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dev_err(&adapter->dev, "Failed to write to I2C!\n");
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return -1;
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}
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return 0;
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@ -101,7 +101,7 @@ static int i2c_read_reg(struct i2c_adapter *adapter, u8 adr,
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.buf = val, .len = 1} };
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if (i2c_transfer(adapter, msgs, 2) != 2) {
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pr_err("error in i2c_read_reg\n");
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dev_err(&adapter->dev, "error in i2c_read_reg\n");
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return -1;
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}
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return 0;
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@ -114,9 +114,9 @@ static int i2c_read(struct i2c_adapter *adapter, u8 adr,
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.buf = ®, .len = 1},
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{.addr = adr, .flags = I2C_M_RD,
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.buf = data, .len = n} };
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if (i2c_transfer(adapter, msgs, 2) != 2) {
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pr_err("error in i2c_read\n");
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dev_err(&adapter->dev, "error in i2c_read\n");
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return -1;
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}
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return 0;
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@ -133,9 +133,8 @@ static int read_block(struct cxd *ci, u8 adr, u8 *data, u16 n)
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while (n) {
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int len = n;
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if (ci->cfg.max_i2c &&
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len > ci->cfg.max_i2c)
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if (ci->cfg.max_i2c && (len > ci->cfg.max_i2c))
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len = ci->cfg.max_i2c;
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status = i2c_read(ci->i2c, ci->cfg.adr, 1, data, len);
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if (status)
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@ -152,7 +151,6 @@ static int read_reg(struct cxd *ci, u8 reg, u8 *val)
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return read_block(ci, reg, val, 1);
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}
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static int read_pccard(struct cxd *ci, u16 address, u8 *data, u8 n)
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{
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int status;
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@ -174,7 +172,7 @@ static int write_pccard(struct cxd *ci, u16 address, u8 *data, u8 n)
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u8 buf[256] = {3};
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memcpy(buf + 1, data, n);
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status = i2c_write(ci->i2c, ci->cfg.adr, buf, n+1);
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status = i2c_write(ci->i2c, ci->cfg.adr, buf, n + 1);
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}
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return status;
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}
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@ -253,7 +251,6 @@ static int write_reg(struct cxd *ci, u8 reg, u8 val)
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return write_regm(ci, reg, val, 0xff);
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}
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#ifdef BUFFER_MODE
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static int write_block(struct cxd *ci, u8 adr, u8 *data, u16 n)
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{
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int status = 0;
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@ -263,17 +260,14 @@ static int write_block(struct cxd *ci, u8 adr, u8 *data, u16 n)
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status = i2c_write_reg(ci->i2c, ci->cfg.adr, 0, adr);
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if (status)
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return status;
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printk("write_block %d\n", n);
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ci->lastaddress = adr;
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buf[0] = 1;
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while (n) {
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int len = n;
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if (ci->cfg.max_i2c &&
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len + 1 > ci->cfg.max_i2c)
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if (ci->cfg.max_i2c && (len + 1 > ci->cfg.max_i2c))
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len = ci->cfg.max_i2c - 1;
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printk("write %d\n", len);
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memcpy(buf + 1, data, len);
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status = i2c_write(ci->i2c, ci->cfg.adr, buf, len + 1);
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if (status)
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@ -283,7 +277,6 @@ static int write_block(struct cxd *ci, u8 adr, u8 *data, u16 n)
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}
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return status;
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}
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#endif
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static void set_mode(struct cxd *ci, int mode)
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{
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@ -318,7 +311,7 @@ static void cam_mode(struct cxd *ci, int mode)
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if (!ci->en.read_data)
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return;
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ci->write_busy = 0;
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pr_info("enable cam buffer mode\n");
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dev_info(&ci->i2c->dev, "enable cam buffer mode\n");
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write_reg(ci, 0x0d, 0x00);
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write_reg(ci, 0x0e, 0x01);
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write_regm(ci, 0x08, 0x40, 0x40);
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@ -331,8 +324,6 @@ static void cam_mode(struct cxd *ci, int mode)
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ci->cammode = mode;
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}
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#define CHK_ERROR(s) if ((status = s)) break
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static int init(struct cxd *ci)
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{
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int status;
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@ -340,67 +331,140 @@ static int init(struct cxd *ci)
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mutex_lock(&ci->lock);
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ci->mode = -1;
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do {
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CHK_ERROR(write_reg(ci, 0x00, 0x00));
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CHK_ERROR(write_reg(ci, 0x01, 0x00));
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CHK_ERROR(write_reg(ci, 0x02, 0x10));
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CHK_ERROR(write_reg(ci, 0x03, 0x00));
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CHK_ERROR(write_reg(ci, 0x05, 0xFF));
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CHK_ERROR(write_reg(ci, 0x06, 0x1F));
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CHK_ERROR(write_reg(ci, 0x07, 0x1F));
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CHK_ERROR(write_reg(ci, 0x08, 0x28));
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CHK_ERROR(write_reg(ci, 0x14, 0x20));
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status = write_reg(ci, 0x00, 0x00);
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if (status < 0)
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break;
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status = write_reg(ci, 0x01, 0x00);
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if (status < 0)
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break;
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status = write_reg(ci, 0x02, 0x10);
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if (status < 0)
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break;
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status = write_reg(ci, 0x03, 0x00);
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if (status < 0)
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break;
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status = write_reg(ci, 0x05, 0xFF);
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if (status < 0)
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break;
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status = write_reg(ci, 0x06, 0x1F);
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if (status < 0)
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break;
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status = write_reg(ci, 0x07, 0x1F);
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if (status < 0)
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break;
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status = write_reg(ci, 0x08, 0x28);
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if (status < 0)
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break;
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status = write_reg(ci, 0x14, 0x20);
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if (status < 0)
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break;
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/* TOSTRT = 8, Mode B (gated clock), falling Edge,
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Serial, POL=HIGH, MSB */
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CHK_ERROR(write_reg(ci, 0x0A, 0xA7));
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* Serial, POL=HIGH, MSB
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*/
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status = write_reg(ci, 0x0A, 0xA7);
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if (status < 0)
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break;
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CHK_ERROR(write_reg(ci, 0x0B, 0x33));
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CHK_ERROR(write_reg(ci, 0x0C, 0x33));
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status = write_reg(ci, 0x0B, 0x33);
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if (status < 0)
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break;
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status = write_reg(ci, 0x0C, 0x33);
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if (status < 0)
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break;
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CHK_ERROR(write_regm(ci, 0x14, 0x00, 0x0F));
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CHK_ERROR(write_reg(ci, 0x15, ci->clk_reg_b));
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CHK_ERROR(write_regm(ci, 0x16, 0x00, 0x0F));
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CHK_ERROR(write_reg(ci, 0x17, ci->clk_reg_f));
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status = write_regm(ci, 0x14, 0x00, 0x0F);
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if (status < 0)
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break;
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status = write_reg(ci, 0x15, ci->clk_reg_b);
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if (status < 0)
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break;
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status = write_regm(ci, 0x16, 0x00, 0x0F);
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if (status < 0)
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break;
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status = write_reg(ci, 0x17, ci->clk_reg_f);
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if (status < 0)
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break;
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if (ci->cfg.clock_mode == 2) {
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/* bitrate*2^13/ 72000 */
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u32 reg = ((ci->cfg.bitrate << 13) + 71999) / 72000;
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if (ci->cfg.polarity) {
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CHK_ERROR(write_reg(ci, 0x09, 0x6f));
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status = write_reg(ci, 0x09, 0x6f);
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if (status < 0)
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break;
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} else {
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CHK_ERROR(write_reg(ci, 0x09, 0x6d));
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status = write_reg(ci, 0x09, 0x6d);
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if (status < 0)
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break;
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}
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CHK_ERROR(write_reg(ci, 0x20, 0x08));
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CHK_ERROR(write_reg(ci, 0x21, (reg >> 8) & 0xff));
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CHK_ERROR(write_reg(ci, 0x22, reg & 0xff));
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status = write_reg(ci, 0x20, 0x08);
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if (status < 0)
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break;
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status = write_reg(ci, 0x21, (reg >> 8) & 0xff);
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if (status < 0)
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break;
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status = write_reg(ci, 0x22, reg & 0xff);
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if (status < 0)
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break;
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} else if (ci->cfg.clock_mode == 1) {
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if (ci->cfg.polarity) {
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CHK_ERROR(write_reg(ci, 0x09, 0x6f)); /* D */
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status = write_reg(ci, 0x09, 0x6f); /* D */
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if (status < 0)
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break;
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} else {
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CHK_ERROR(write_reg(ci, 0x09, 0x6d));
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status = write_reg(ci, 0x09, 0x6d);
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if (status < 0)
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break;
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}
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CHK_ERROR(write_reg(ci, 0x20, 0x68));
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CHK_ERROR(write_reg(ci, 0x21, 0x00));
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CHK_ERROR(write_reg(ci, 0x22, 0x02));
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status = write_reg(ci, 0x20, 0x68);
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if (status < 0)
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break;
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status = write_reg(ci, 0x21, 0x00);
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if (status < 0)
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break;
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status = write_reg(ci, 0x22, 0x02);
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if (status < 0)
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break;
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} else {
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if (ci->cfg.polarity) {
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CHK_ERROR(write_reg(ci, 0x09, 0x4f)); /* C */
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status = write_reg(ci, 0x09, 0x4f); /* C */
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if (status < 0)
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break;
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} else {
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CHK_ERROR(write_reg(ci, 0x09, 0x4d));
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status = write_reg(ci, 0x09, 0x4d);
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if (status < 0)
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break;
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}
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CHK_ERROR(write_reg(ci, 0x20, 0x28));
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CHK_ERROR(write_reg(ci, 0x21, 0x00));
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CHK_ERROR(write_reg(ci, 0x22, 0x07));
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status = write_reg(ci, 0x20, 0x28);
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if (status < 0)
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break;
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status = write_reg(ci, 0x21, 0x00);
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if (status < 0)
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break;
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status = write_reg(ci, 0x22, 0x07);
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if (status < 0)
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break;
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}
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CHK_ERROR(write_regm(ci, 0x20, 0x80, 0x80));
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CHK_ERROR(write_regm(ci, 0x03, 0x02, 0x02));
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CHK_ERROR(write_reg(ci, 0x01, 0x04));
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CHK_ERROR(write_reg(ci, 0x00, 0x31));
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status = write_regm(ci, 0x20, 0x80, 0x80);
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if (status < 0)
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break;
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status = write_regm(ci, 0x03, 0x02, 0x02);
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if (status < 0)
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break;
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status = write_reg(ci, 0x01, 0x04);
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if (status < 0)
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break;
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status = write_reg(ci, 0x00, 0x31);
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if (status < 0)
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break;
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/* Put TS in bypass */
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CHK_ERROR(write_regm(ci, 0x09, 0x08, 0x08));
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status = write_regm(ci, 0x09, 0x08, 0x08);
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if (status < 0)
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break;
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ci->cammode = -1;
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cam_mode(ci, 0);
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} while (0);
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@ -504,14 +568,16 @@ static int slot_reset(struct dvb_ca_en50221 *ca, int slot)
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ci->ready = 0;
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#endif
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#endif
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ci->ready = 0;
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ci->mode = -1;
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{
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int i;
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#if 0
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u8 val;
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#endif
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for (i = 0; i < 100; i++) {
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msleep(20);
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usleep_range(10000, 11000);
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#if 0
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read_reg(ci, 0x06, &val);
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pr_info(KERN_INFO "%d:%02x\n", i, val);
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@ -524,7 +590,6 @@ static int slot_reset(struct dvb_ca_en50221 *ca, int slot)
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}
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}
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mutex_unlock(&ci->lock);
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/* msleep(500); */
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return 0;
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}
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@ -532,7 +597,7 @@ static int slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
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{
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struct cxd *ci = ca->data;
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pr_info("slot_shutdown\n");
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dev_info(&ci->i2c->dev, "%s\n", __func__);
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if (ci->cammode)
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read_data(ca, slot, ci->rbuf, 0);
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mutex_lock(&ci->lock);
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@ -562,7 +627,6 @@ static int slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
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return 0;
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}
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static int campoll(struct cxd *ci)
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{
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u8 istat;
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@ -576,6 +640,7 @@ static int campoll(struct cxd *ci)
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ci->dr = 1;
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if (istat & 0x20)
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ci->write_busy = 0;
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if (istat & 2) {
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u8 slotstat;
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@ -583,7 +648,7 @@ static int campoll(struct cxd *ci)
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if (!(2 & slotstat)) {
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if (!ci->slot_stat) {
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ci->slot_stat |=
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DVB_CA_EN50221_POLL_CAM_PRESENT;
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DVB_CA_EN50221_POLL_CAM_PRESENT;
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write_regm(ci, 0x03, 0x08, 0x08);
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}
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@ -591,7 +656,7 @@ static int campoll(struct cxd *ci)
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if (ci->slot_stat) {
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ci->slot_stat = 0;
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write_regm(ci, 0x03, 0x00, 0x08);
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pr_info("NO CAM\n");
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dev_info(&ci->i2c->dev, "NO CAM\n");
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ci->ready = 0;
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}
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}
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@ -604,7 +669,6 @@ static int campoll(struct cxd *ci)
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return 0;
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}
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static int poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
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{
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struct cxd *ci = ca->data;
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@ -634,7 +698,7 @@ static int read_data(struct dvb_ca_en50221 *ca, int slot, u8 *ebuf, int ecount)
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mutex_lock(&ci->lock);
|
||||
read_reg(ci, 0x0f, &msb);
|
||||
read_reg(ci, 0x10, &lsb);
|
||||
len = ((u16) msb << 8) | lsb;
|
||||
len = ((u16)msb << 8) | lsb;
|
||||
if (len > ecount || len < 2) {
|
||||
/* read it anyway or cxd may hang */
|
||||
read_block(ci, 0x12, ci->rbuf, len);
|
||||
|
|
@ -644,40 +708,23 @@ static int read_data(struct dvb_ca_en50221 *ca, int slot, u8 *ebuf, int ecount)
|
|||
read_block(ci, 0x12, ebuf, len);
|
||||
ci->dr = 0;
|
||||
mutex_unlock(&ci->lock);
|
||||
#if 0
|
||||
pr_info("read_data %d\n", len);
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < len; i++)
|
||||
pr_info("%02x ", ebuf[i]);
|
||||
pr_info("\n");
|
||||
}
|
||||
#endif
|
||||
return len;
|
||||
}
|
||||
|
||||
#ifdef BUFFER_MODE
|
||||
|
||||
static int write_data(struct dvb_ca_en50221 *ca, int slot, u8 *ebuf, int ecount)
|
||||
{
|
||||
struct cxd *ci = ca->data;
|
||||
int status;
|
||||
|
||||
|
||||
if (ci->write_busy)
|
||||
return -EAGAIN;
|
||||
mutex_lock(&ci->lock);
|
||||
write_reg(ci, 0x0d, ecount >> 8);
|
||||
write_reg(ci, 0x0e, ecount & 0xff);
|
||||
status = write_block(ci, 0x11, ebuf, ecount);
|
||||
if (!status)
|
||||
ci->write_busy = 1;
|
||||
write_block(ci, 0x11, ebuf, ecount);
|
||||
ci->write_busy = 1;
|
||||
mutex_unlock(&ci->lock);
|
||||
if (status)
|
||||
return status;
|
||||
return ecount;
|
||||
}
|
||||
#endif
|
||||
|
||||
static struct dvb_ca_en50221 en_templ = {
|
||||
.read_attribute_mem = read_attribute_mem,
|
||||
|
|
@ -688,39 +735,45 @@ static struct dvb_ca_en50221 en_templ = {
|
|||
.slot_shutdown = slot_shutdown,
|
||||
.slot_ts_enable = slot_ts_enable,
|
||||
.poll_slot_status = poll_slot_status,
|
||||
#ifdef BUFFER_MODE
|
||||
.read_data = read_data,
|
||||
.write_data = write_data,
|
||||
#endif
|
||||
};
|
||||
|
||||
struct dvb_ca_en50221 *cxd2099_attach(struct cxd2099_cfg *cfg,
|
||||
void *priv,
|
||||
struct i2c_adapter *i2c)
|
||||
{
|
||||
struct cxd *ci = 0;
|
||||
struct cxd *ci;
|
||||
u8 val;
|
||||
|
||||
if (i2c_read_reg(i2c, cfg->adr, 0, &val) < 0) {
|
||||
pr_info("No CXD2099 detected at %02x\n", cfg->adr);
|
||||
return 0;
|
||||
dev_info(&i2c->dev, "No CXD2099 detected at %02x\n", cfg->adr);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
ci = kzalloc(sizeof(struct cxd), GFP_KERNEL);
|
||||
ci = kzalloc(sizeof(*ci), GFP_KERNEL);
|
||||
if (!ci)
|
||||
return 0;
|
||||
return NULL;
|
||||
|
||||
mutex_init(&ci->lock);
|
||||
memcpy(&ci->cfg, cfg, sizeof(struct cxd2099_cfg));
|
||||
ci->cfg = *cfg;
|
||||
ci->i2c = i2c;
|
||||
ci->lastaddress = 0xff;
|
||||
ci->clk_reg_b = 0x4a;
|
||||
ci->clk_reg_f = 0x1b;
|
||||
|
||||
memcpy(&ci->en, &en_templ, sizeof(en_templ));
|
||||
ci->en = en_templ;
|
||||
ci->en.data = ci;
|
||||
init(ci);
|
||||
pr_info("Attached CXD2099AR at %02x\n", ci->cfg.adr);
|
||||
dev_info(&i2c->dev, "Attached CXD2099AR at %02x\n", ci->cfg.adr);
|
||||
|
||||
if (!buffermode) {
|
||||
ci->en.read_data = NULL;
|
||||
ci->en.write_data = NULL;
|
||||
} else {
|
||||
dev_info(&i2c->dev, "Using CXD2099AR buffer mode");
|
||||
}
|
||||
|
||||
return &ci->en;
|
||||
}
|
||||
EXPORT_SYMBOL(cxd2099_attach);
|
||||
|
|
|
|||
|
|
@ -36,8 +36,18 @@ struct cxd2099_cfg {
|
|||
u32 max_i2c;
|
||||
};
|
||||
|
||||
#if defined(CONFIG_DVB_CXD2099) || \
|
||||
(defined(CONFIG_DVB_CXD2099_MODULE) && defined(MODULE))
|
||||
struct dvb_ca_en50221 *cxd2099_attach(struct cxd2099_cfg *cfg,
|
||||
void *priv, struct i2c_adapter *i2c);
|
||||
#else
|
||||
|
||||
static inline struct dvb_ca_en50221 *cxd2099_attach(struct cxd2099_cfg *cfg,
|
||||
void *priv, struct i2c_adapter *i2c)
|
||||
{
|
||||
dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__);
|
||||
return NULL;
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue