summaryrefslogtreecommitdiffstats
path: root/tests/libqos/i2c.c
diff options
context:
space:
mode:
authorPeter Maydell2019-06-03 19:26:21 +0200
committerPeter Maydell2019-06-03 19:26:21 +0200
commite2a58ff493a2e00db3e963c1839c5374500110f2 (patch)
tree1136df9621eb962326714fa330eaad310fb8de12 /tests/libqos/i2c.c
parentMerge remote-tracking branch 'remotes/amarkovic/tags/mips-queue-jun-1-2019' i... (diff)
parentq35: Revert to kernel irqchip (diff)
downloadqemu-e2a58ff493a2e00db3e963c1839c5374500110f2.tar.gz
qemu-e2a58ff493a2e00db3e963c1839c5374500110f2.tar.xz
qemu-e2a58ff493a2e00db3e963c1839c5374500110f2.zip
Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* Revert q35 to kernel irqchip (Alex) * edu device fixes (Li Qiang) * cleanups (Marc-André, Peter) * Improvements to -accel help * Better support for IA32_MISC_ENABLE MSR (Wanpeng) * I2C test conversion to qgraph (Paolo) # gpg: Signature made Mon 03 Jun 2019 14:20:12 BST # gpg: using RSA key BFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full] # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full] # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (24 commits) q35: Revert to kernel irqchip configure: remove tpm_passthrough & tpm_emulator ci: store Patchew configuration in the tree libqos: i2c: move address into QI2CDevice tests: convert ds1338-test to qtest tests: convert OMAP i2c tests to qgraph libqos: add ARM imx25-pdk machine object libqos: add ARM n800 machine object libqos: convert I2C to qgraph libqos: split I2CAdapter initialization and allocation imx25-pdk: create ds1338 for qtest inside the test pca9552-test: do not rely on state across tests libqos: fix omap-i2c receiving more than 4 bytes libqos: move common i2c code to libqos qgraph: fix qos_node_contains with options qgraph: allow extra_device_opts on contains nodes edu: uses uint64_t in dma operation edu: mmio: allow 64-bit access in read dispatch edu: mmio: allow 64-bit access i386: Enable IA32_MISC_ENABLE MWAIT bit when exposing mwait/monitor ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'tests/libqos/i2c.c')
-rw-r--r--tests/libqos/i2c.c74
1 files changed, 68 insertions, 6 deletions
diff --git a/tests/libqos/i2c.c b/tests/libqos/i2c.c
index 23bc2a3eb2..156114e745 100644
--- a/tests/libqos/i2c.c
+++ b/tests/libqos/i2c.c
@@ -10,14 +10,76 @@
#include "libqos/i2c.h"
#include "libqtest.h"
-void i2c_send(I2CAdapter *i2c, uint8_t addr,
- const uint8_t *buf, uint16_t len)
+void i2c_send(QI2CDevice *i2cdev, const uint8_t *buf, uint16_t len)
{
- i2c->send(i2c, addr, buf, len);
+ i2cdev->bus->send(i2cdev->bus, i2cdev->addr, buf, len);
}
-void i2c_recv(I2CAdapter *i2c, uint8_t addr,
- uint8_t *buf, uint16_t len)
+void i2c_recv(QI2CDevice *i2cdev, uint8_t *buf, uint16_t len)
{
- i2c->recv(i2c, addr, buf, len);
+ i2cdev->bus->recv(i2cdev->bus, i2cdev->addr, buf, len);
+}
+
+void i2c_read_block(QI2CDevice *i2cdev, uint8_t reg,
+ uint8_t *buf, uint16_t len)
+{
+ i2c_send(i2cdev, &reg, 1);
+ i2c_recv(i2cdev, buf, len);
+}
+
+void i2c_write_block(QI2CDevice *i2cdev, uint8_t reg,
+ const uint8_t *buf, uint16_t len)
+{
+ uint8_t *cmd = g_malloc(len + 1);
+ cmd[0] = reg;
+ memcpy(&cmd[1], buf, len);
+ i2c_send(i2cdev, cmd, len + 1);
+ g_free(cmd);
+}
+
+uint8_t i2c_get8(QI2CDevice *i2cdev, uint8_t reg)
+{
+ uint8_t resp[1];
+ i2c_read_block(i2cdev, reg, resp, sizeof(resp));
+ return resp[0];
+}
+
+uint16_t i2c_get16(QI2CDevice *i2cdev, uint8_t reg)
+{
+ uint8_t resp[2];
+ i2c_read_block(i2cdev, reg, resp, sizeof(resp));
+ return (resp[0] << 8) | resp[1];
+}
+
+void i2c_set8(QI2CDevice *i2cdev, uint8_t reg, uint8_t value)
+{
+ i2c_write_block(i2cdev, reg, &value, 1);
+}
+
+void i2c_set16(QI2CDevice *i2cdev, uint8_t reg, uint16_t value)
+{
+ uint8_t data[2];
+
+ data[0] = value >> 8;
+ data[1] = value & 255;
+ i2c_write_block(i2cdev, reg, data, sizeof(data));
+}
+
+void *i2c_device_create(void *i2c_bus, QGuestAllocator *alloc, void *addr)
+{
+ QI2CDevice *i2cdev = g_new0(QI2CDevice, 1);
+
+ i2cdev->bus = i2c_bus;
+ if (addr) {
+ i2cdev->addr = ((QI2CAddress *)addr)->addr;
+ }
+ return &i2cdev->obj;
+}
+
+void add_qi2c_address(QOSGraphEdgeOptions *opts, QI2CAddress *addr)
+{
+ g_assert(addr);
+
+ opts->arg = addr;
+ opts->size_arg = sizeof(QI2CAddress);
}